CN111478527A - Manufacturing method of coreless motor - Google Patents

Abstract

The invention relates to the technical field of manufacturing of a coreless motor, in particular to a manufacturing method of the coreless motor, which comprises the following steps: s1, manufacturing a rotor assembly: s1-1, preprocessing the coil, wherein the preprocessing method comprises the following steps: (1) preparing glue solution; (2) soaking; (3) shaping; s1-2, drying to enable the glue solution to form a glue layer on the surface and the inner wall of the coil; s1-3, carrying out steps of gluing, mounting a commutator, leading wires, welding, coating plane glue, baking, measuring the waveform of the rotor during rotation, polishing the rotor and the like on the coil obtained in the step S1-2 to obtain a rotor assembly; s2, manufacturing a shell assembly; s3, manufacturing an end cover assembly; s4, assembling; and S5, preparing a hollow cup motor finished product. The manufacturing method of the coreless motor provided by the invention ensures that the coil of the coreless motor has high stability, and is beneficial to prolonging the service life of the coreless motor.

Description

Translated fromChinese

一种空心杯电机的制作方法A kind of manufacturing method of hollow cup motor

技术领域technical field

本发明涉及空心杯电机制作技术领域，更具体地说，它涉及一种空心杯电机的制作方法。The invention relates to the technical field of hollow cup motor manufacturing, and more particularly, to a manufacturing method of a hollow cup motor.

背景技术Background technique

空心杯电动机在结构上突破了传统电机的转子结构形式，采用的是无铁芯转子，也叫空心杯型转子。这种新颖的转子结构彻底消除了由于铁芯形成涡流而造成的电能损耗。空心杯电机的重量和转动惯量大幅降低，从而减少了转子自身的机械能损耗。由于转子的结构变化而使电动机的运转特性得到了极大改善，不但具有突出的节能特点，更为重要的是具备了铁芯电动机所无法达到的控制和拖动特性。The hollow cup motor breaks through the rotor structure of the traditional motor in structure, and adopts an ironless rotor, also called a hollow cup rotor. This novel rotor structure completely eliminates the power loss caused by eddy currents formed by the iron core. The weight and moment of inertia of the hollow cup motor are greatly reduced, thereby reducing the mechanical energy loss of the rotor itself. Due to the structural change of the rotor, the operating characteristics of the motor have been greatly improved, not only with outstanding energy-saving characteristics, but more importantly, with the control and drag characteristics that iron core motors cannot achieve.

目前的空心杯电机，如公开号为CN108494180A公开的一种空心杯电机，包括外壳、定子、磁环、线圈、轴承、转轴、转子架和端盖，端盖内侧设有电刷，转子架与转轴同轴设置，线圈一端套设固定在转子架上，所述转子架上阵列设有多个焊接孔，转子架内还设有阵列设置的换向片，线圈的中抽与换向片在焊接孔内焊接连通。有益的效果：使焊接点位于焊接孔72内，防止焊接点占用电机的内部空间，使电机的体积更小，而且，为了防止中抽与换向片71的导电不良，可以在焊接孔72使用更多焊锡进行焊接，设置焊接孔72后，由于焊接点的大小对电机的体积没有影响，可以焊接更大的焊点，使线圈4的中抽与换向片71的导电效果更好，而且焊接效率由原来的85秒减少到34秒，焊接效率大大提高。The current hollow cup motor, such as a hollow cup motor disclosed in publication number CN108494180A, includes a casing, a stator, a magnetic ring, a coil, a bearing, a rotating shaft, a rotor frame and an end cover. The inner side of the end cover is provided with a brush, and the rotor frame is connected to The rotating shaft is coaxially arranged, one end of the coil is sleeved and fixed on the rotor frame, a plurality of welding holes are arranged in an array on the rotor frame, and a commutator segment arranged in an array is also arranged in the rotor frame. Weld connection in the welding hole. Beneficial effect: the welding point is located in the welding hole 72 to prevent the welding point from occupying the internal space of the motor, so that the volume of the motor is smaller, and in order to prevent the poor conduction of the middle pump and the commutator 71, it can be used in the welding hole 72 More solder is required for welding. After setting the welding hole 72, since the size of the welding point has no effect on the volume of the motor, a larger welding point can be welded, so that the conduction effect of the middle pump of the coil 4 and the commutator segment 71 is better, and The welding efficiency is reduced from the original 85 seconds to 34 seconds, and the welding efficiency is greatly improved.

在上述技术中的空心杯电机的焊接效率有所提高，而且能够使线圈发热更少。但是将该空心杯电机应用在航模时，在长时间使用后该空心杯电机的散热性能下降，使得该空心杯电机使用时会产生热量，热量积聚在空心杯电机内部，空心杯电机内部积聚的热量容易使得用于固定线圈的胶液的抗老化性能下降，从而容易导致线圈产生松动，会引起空心杯电机稳定性不良，使用寿命缩短。The welding efficiency of the hollow cup motor in the above-mentioned technology is improved, and the coil can generate less heat. However, when the hollow cup motor is used in an aircraft model, the heat dissipation performance of the hollow cup motor will decrease after long-term use, so that the hollow cup motor will generate heat during use, and the heat will accumulate inside the hollow cup motor. The heat easily reduces the anti-aging performance of the glue used to fix the coil, which easily causes the coil to loosen, which will lead to poor stability of the hollow cup motor and shortened service life.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种空心杯电机的制作方法，使制得的空心杯电机的线圈具有稳定性强的优点。The purpose of the present invention is to provide a manufacturing method of a hollow cup motor, so that the coil of the hollow cup motor has the advantage of strong stability.

为实现上述目的，本发明提供了如下技术方案：For achieving the above object, the present invention provides the following technical solutions:

一种空心杯电机的制作方法，包括以下步骤：A manufacturing method of a hollow cup motor, comprising the following steps:

S1、制作转子组件：S1. Making rotor components:

S1-1、对线圈进行预处理，预处理方法包括以下步骤：S1-1. Preprocess the coil, and the preprocessing method includes the following steps:

(1)制备胶液，胶液包括以下以质量份表示的组分：(1) prepare glue solution, glue solution includes the following components expressed in parts by mass:

环氧树脂乳液20-30份20-30 parts of epoxy resin emulsion

酚醛树脂乳液13-18份13-18 parts of phenolic resin emulsion

填料11-25份Filler 11-25 servings

桐油酸酐2-4份；2-4 parts of tung oil anhydride;

(2)浸泡：将线圈浸泡于步骤(1)制备的胶液中，静置3-5min，以使线圈的表面以及内部均沾有胶液，并得到带有胶液的线圈；(2) Soaking: soak the coil in the glue prepared in step (1), and let it stand for 3-5 minutes, so that the surface and the inside of the coil are stained with glue, and a coil with glue is obtained;

(3)整形：采用第一计量辊将步骤(2)得到的带有胶液的线圈表面的胶液进行抹平，以使胶液均匀分布于带有胶液的线圈的表面，再采用第二计量辊贯穿带胶液的线圈内部，并将带胶液的线圈内壁的胶液进行抹平，使得胶液均匀分布于带胶液的线圈内壁，得到预处理后的线圈，所述第一计量辊的直径与线圈的直径相同；(3) Shaping: use the first metering roller to smooth the glue on the surface of the coil with glue obtained in step (2), so that the glue is evenly distributed on the surface of the coil with glue, and then use the first metering roller to smooth the surface of the coil with glue The two metering rollers run through the inside of the coil with glue, and smooth the glue on the inner wall of the coil with glue, so that the glue is evenly distributed on the inner wall of the coil with glue, and the pretreated coil is obtained. The diameter of the metering roll is the same as the diameter of the coil;

S1-2、将S1-1得到的预处理后的线圈放入烘箱进行烘干，以使胶液在线圈的表面以及内壁形成胶粘层；S1-2, put the pretreated coil obtained in S1-1 into an oven for drying, so that the glue liquid forms an adhesive layer on the surface and inner wall of the coil;

S1-3、将S1-2得到的线圈进行上胶安装换向器、引线、焊接、涂平面胶、烘烤、测转子转动时的波形、转子抛光等步骤，得到转子组件；S1-3, the coil obtained in S1-2 is subjected to the steps of gluing and installing the commutator, lead wire, welding, applying plane glue, baking, measuring the waveform when the rotor rotates, and polishing the rotor to obtain a rotor assembly;

S2、制作机壳组件；S2, making the casing components;

S3、制作端盖组件；S3, make the end cover assembly;

S4、组装：先将S1制得的转子组件安装到S3制得的机壳组件中，然后再将S3得到的端盖组件安装到机壳组件的端部，得到初型的空心杯电机；S4. Assembling: first install the rotor assembly made by S1 into the casing assembly made by S3, and then install the end cover assembly obtained by S3 to the end of the casing assembly to obtain the initial hollow cup motor;

S5、制得空心杯电机成品：将S4制得的空心杯电机依次进行调波形、铆合端盖、安装止挡片、调节止挡片和铆合偏心块，最后得到空心杯电机成品。S5. Preparation of the finished hollow cup motor: The hollow cup motor prepared in S4 is sequentially adjusted in waveform, riveted end caps, installed stopper, adjusted stopper and riveted eccentric block, and finally the finished hollow cup motor is obtained.

采用上述技术方案，环氧树脂乳液以及酚醛树脂乳液配合形成三维交联结构，使得胶液固化后具有良好的结构强度，有利于提升胶粘层对线圈的固定作用，另外，酚醛树脂乳液具有良好的耐酸性能、力学性能、耐热性能，即使空心杯电机在实际使用的过程中产生热量，也不会导致胶粘层的出现收缩或者干裂等现象；环氧树脂乳液具有良好的内聚力以及热稳定性，环氧树脂乳液与填料按照特定的比例进行复配制得的胶液的热稳定性能好，同时，胶液固化后得到的胶粘层的热膨胀系数较低，由此在温度较高的环境下胶粘层仍能够保持对线圈的固定作用；桐油酸酐作为环氧树脂乳液的固化剂，有利于促进胶液的固化效率。Using the above technical solution, the epoxy resin emulsion and the phenolic resin emulsion cooperate to form a three-dimensional cross-linked structure, so that the glue has good structural strength after curing, which is beneficial to improve the fixing effect of the adhesive layer on the coil. In addition, the phenolic resin emulsion has good structural strength. Excellent acid resistance, mechanical properties and heat resistance, even if the hollow cup motor generates heat during actual use, it will not cause shrinkage or dry cracking of the adhesive layer; epoxy resin emulsion has good cohesion and thermal stability. The thermal stability of the glue prepared by compounding the epoxy resin emulsion and the filler according to a specific ratio is good. The lower adhesive layer can still maintain the fixing effect on the coil; as the curing agent of epoxy resin emulsion, tung oil anhydride is beneficial to promote the curing efficiency of the glue.

将线圈静置在胶液中3-5min，使得胶液能够更加稳定地附着在线圈的表面以及内壁，然后再经过采用计量辊将线圈的表面以及内壁的多余的胶液抹平，使得线圈的表面以及内壁的胶液能够均匀分布，下一步再进行烘干、安装换向器、引线等步骤制得转子组件；下一步再将制得的转子组件、机壳组件以及端壳组件进行组装，得到空心杯电机的成品，该空心杯电机成品具有线圈稳定性强的优点，有利于延长空心杯电机的使用寿命。Let the coil stand in the glue solution for 3-5min, so that the glue solution can be more stably attached to the surface and inner wall of the coil, and then smooth the surface and inner wall of the coil by using a metering roller. The glue on the surface and the inner wall can be evenly distributed, and the next step is to dry, install the commutator, lead wires and other steps to obtain the rotor assembly; The finished product of the hollow cup motor is obtained, and the finished product of the hollow cup motor has the advantages of strong coil stability and is beneficial to prolong the service life of the hollow cup motor.

进一步地，S1-1的步骤(3)中，在第一计量辊抹平线圈表面的胶液时，第一计量辊对线圈表面的压力为0.5-0.8MPa。Further, in step (3) of S1-1, when the first metering roller smoothes the glue on the surface of the coil, the pressure of the first metering roller on the surface of the coil is 0.5-0.8 MPa.

采用上述技术方案，将第一计量辊对线圈表面的压力控制在0.5-0.8Mpa，在保证第一计量辊对线圈的压力不会压断线圈的情况下，有利于提升第一计量辊对线圈表面的胶液的抹平效果，同时有利于提升胶液与线圈的附着强度，进而有利于提高胶液对线圈的定性作用，使得线圈更加不容易松动。Using the above technical solution, the pressure of the first metering roller on the surface of the coil is controlled at 0.5-0.8Mpa, which is beneficial to lift the first metering roller while ensuring that the pressure of the first metering roller on the coil will not break the coil. The smoothing effect of the glue on the surface of the coil is also conducive to improving the adhesion strength of the glue and the coil, which in turn helps to improve the qualitative effect of the glue on the coil, making the coil more difficult to loosen.

进一步地，在S1-2中，烘箱对S1-1得到的预处理后的线圈的烘干温度为115-125℃。Further, in S1-2, the drying temperature of the pretreated coil obtained in S1-1 by the oven is 115-125°C.

进一步地，S1-2中，S1-1得到的预处理后的线圈的烘干时间为12-18min。Further, in S1-2, the drying time of the pretreated coil obtained in S1-1 is 12-18 minutes.

采用上述技术方案，将烘箱对S1-1得到的预处理后的线圈的烘干温度控制在115-125℃之间，一方面有利于避免温度小于110℃而影响胶液的固化，另一方面有利于避免温度大于115℃会影响胶液的固化效果；同时，将烘干时间控制在12-18min，有利于保证胶液的固化效果。Using the above technical solution, the drying temperature of the pretreated coil obtained by S1-1 in the oven is controlled between 115-125°C. It is beneficial to avoid that the temperature greater than 115 ℃ will affect the curing effect of the glue; at the same time, the drying time is controlled to 12-18min, which is beneficial to ensure the curing effect of the glue.

进一步地，胶液包括以下以质量份表示的组分：Further, the glue solution includes the following components expressed in parts by mass:

环氧树脂乳液22-28份22-28 parts of epoxy resin emulsion

酚醛树脂乳液14-17份14-17 parts of phenolic resin emulsion

填料13-20.5份Filler 13-20.5 servings

桐油酸酐2.4-3.6份。2.4-3.6 parts of tung oil anhydride.

进一步地，所述填料包括白云母粉、轻质碳酸钙粉以及硅微粉的一种或多种。Further, the filler includes one or more of muscovite powder, light calcium carbonate powder and silicon micropowder.

进一步地，所述填料包括以下以质量份表示的组分：Further, the filler includes the following components expressed in parts by mass:

白云母粉8-11份Muscovite powder 8-11 servings

轻质碳酸钙粉1-2.5份1-2.5 servings of light calcium carbonate powder

硅微粉4-7份。4-7 parts of microsilica.

采用上述技术方案，白云母粉具有良好的韧性以及耐高温性能，白云母粉的添加，有利于提高胶液的韧性、附着力以及抗老化性能，同时，白云母粉的热膨胀系数较小，从而有利于提高线圈的实用寿命，轻质碳酸钙粉的添加，在胶液的组分中起到补强的作用，有利于提高胶粘层的耐磨性，同时，轻质碳酸钙粉以及硅微粉配合添加有利于提高胶粘层的尺寸稳定性。Using the above technical solution, the muscovite powder has good toughness and high temperature resistance. The addition of muscovite powder is beneficial to improve the toughness, adhesion and anti-aging properties of the glue. At the same time, the thermal expansion coefficient of the muscovite powder is small, so It is beneficial to improve the practical life of the coil. The addition of light calcium carbonate powder plays a reinforcing role in the components of the glue, which is beneficial to improve the wear resistance of the adhesive layer. At the same time, the light calcium carbonate powder and silicon The addition of micropowder is beneficial to improve the dimensional stability of the adhesive layer.

进一步地，轻质碳酸钙粉经表面处理后使用，所述表面处理方法如下：Further, the light calcium carbonate powder is used after surface treatment, and the surface treatment method is as follows:

(1)制备铝酸酯偶联剂溶液：将铝酸酯偶联剂与无水乙醇混合形成铝酸酯偶联剂溶液，铝酸酯偶联剂溶液中铝酸酯偶联剂的质量浓度为30-40％；(1) Preparation of aluminate coupling agent solution: mixing aluminate coupling agent with absolute ethanol to form aluminate coupling agent solution, the mass concentration of aluminate coupling agent in the aluminate coupling agent solution is 30-40%;

(2)制备硅烷偶联剂溶液：将硅烷偶联剂与无水乙醇混合形成硅烷偶联剂溶液，硅烷偶联剂溶液中硅烷偶联剂的质量浓度为30-40％；(2) Preparation of silane coupling agent solution: the silane coupling agent is mixed with absolute ethanol to form a silane coupling agent solution, and the mass concentration of the silane coupling agent in the silane coupling agent solution is 30-40%;

(3)先将质量份为100份轻质碳酸钙粉加入铝酸酯偶联剂溶液中混合60-90min，铝酸酯偶联剂的用量为轻质碳酸钙粉质量的0.3-0.5％；然后再加入硅烷偶联剂溶液，硅烷偶联剂的用量为轻质碳酸钙粉重量的0.1-0.3％，混合40-60min，最后真空干燥，得到经过预处理的轻质碳酸钙粉。(3) firstly adding 100 parts by mass of light calcium carbonate powder to the aluminate coupling agent solution and mixing for 60-90min, and the consumption of the aluminate coupling agent is 0.3-0.5% of the mass of the light calcium carbonate powder; Then add the silane coupling agent solution, the dosage of the silane coupling agent is 0.1-0.3% of the weight of the light calcium carbonate powder, mix for 40-60 minutes, and finally vacuum dry to obtain the pretreated light calcium carbonate powder.

采用上述技术方案，铝酸酯偶联剂与硅烷偶联剂配合对轻质碳酸钙粉进行表面处理，能有效防止轻质碳酸钙粉团聚，且有利于增强轻质碳酸钙粉与环氧树脂乳液、酚醛树脂乳液的结合强度。Using the above technical solution, the aluminate coupling agent and the silane coupling agent are used for surface treatment of the light calcium carbonate powder, which can effectively prevent the light calcium carbonate powder from agglomeration, and is beneficial to strengthen the light calcium carbonate powder and the epoxy resin. Bond strength of latex and phenolic resin latex.

进一步地，所述硅微粉为改性硅微粉，改性硅微粉的制备方法如下：Further, described silicon micropowder is modified silicon micropowder, and the preparation method of modified silicon micropowder is as follows:

将氧化铝球装入球磨机中；将4-16目硅微粉和六甲基二硅胺烷同时加入球磨机中，六甲基二硅胺烷用量为硅微粉质量的0.1‰-2‰，在30～50rpm的转速下，研磨1-2h出料，筛分，利用325目的筛网得到改性硅微粉。Put the alumina balls into the ball mill; add 4-16 mesh silicon powder and hexamethyldisilazane into the ball mill at the same time, the amount of hexamethyldisilazane is 0.1‰-2‰ of the mass of the silicon powder, and at 30 Under the rotating speed of ~50rpm, grinding for 1-2h and discharging, sieving, and using a 325-mesh screen to obtain modified silicon micropowder.

采用上述技术方案，微硅粉用六甲基二硅胺烷改性后，比表面积大，与环氧树脂乳液中的大分子以及酚醛树脂乳液中的大分子形成“丝状连接”结构，此时需要更大的应力或者消耗更多的外界能量才可使固化的胶粘层断裂，有利于提高了胶粘层的拉伸强度、冲击韧性和弯曲强度，改性后的硅微粉与轻质碳酸钙粉、白云母粉按照特定的质量份进行复配，从而有利于进一步提升胶粘层对线圈的固定作用，即使在温度较高的情况下线圈也不容易发生松动。By adopting the above technical scheme, after the micro-silica powder is modified with hexamethyldisilazane, the specific surface area is large, and it forms a "filamentary connection" structure with the macromolecules in the epoxy resin emulsion and the macromolecules in the phenolic resin emulsion. It needs more stress or consumes more external energy to break the cured adhesive layer, which is beneficial to improve the tensile strength, impact toughness and bending strength of the adhesive layer. Calcium carbonate powder and muscovite powder are compounded according to a specific mass, which is beneficial to further improve the fixing effect of the adhesive layer on the coil, and the coil is not easy to loosen even under the condition of high temperature.

进一步地，步骤S1-1中，胶液的制备方法如下：Further, in step S1-1, the preparation method of the glue is as follows:

A、制备混合物A：先将环氧树脂乳液以及酚醛树脂乳液添加到反应釜中，在30-35℃的环境下搅拌15-20min，得到混合物A；A. Preparation of mixture A: first add epoxy resin emulsion and phenolic resin emulsion into the reaction kettle, and stir for 15-20min under the environment of 30-35 ℃ to obtain mixture A;

B、制备混合物B：再将填料混合后进行干燥，在将干燥之后的填料添加到混合物A中，以20-30r/min的速度混合搅拌10-15min，制得混合物B；B. Preparation of mixture B: the filler is mixed and then dried, and the dried filler is added to mixture A, and mixed and stirred at a speed of 20-30r/min for 10-15min to obtain mixture B;

C、往混合物B添加桐油酸酐，以20-25r/min的速度搅拌制得胶液。C. Add tung oil anhydride to mixture B, and stir at a speed of 20-25r/min to obtain a glue solution.

综上所述，本发明具有以下有益效果：To sum up, the present invention has the following beneficial effects:

1、环氧树脂乳液以及酚醛树脂乳液配合形成三维交联结构，使得胶液固化后具有良好的结构强度，有利于提升胶粘层对线圈的固定作用，另外，酚醛树脂乳液具有良好的耐酸性能、力学性能、耐热性能，即使空心杯电机在实际使用的过程中产生热量，也不会导致胶粘层的出现收缩或者干裂等现象；环氧树脂乳液具有良好的内聚力以及热稳定性，环氧树脂乳液与填料按照特定的比例进行复配制得的胶液的热稳定性能好，同时，胶液固化后得到的胶粘层的热膨胀系数较低，由此在温度较高的环境下胶粘层仍能够保持对线圈的固定作用；桐油酸酐作为环氧树脂乳液的固化剂，有利于促进胶液的固化效率。1. The epoxy resin emulsion and the phenolic resin emulsion form a three-dimensional cross-linked structure, which makes the glue have good structural strength after curing, which is beneficial to improve the fixing effect of the adhesive layer on the coil. In addition, the phenolic resin emulsion has good acid resistance. , mechanical properties, heat resistance, even if the hollow cup motor generates heat during actual use, it will not cause shrinkage or dry cracking of the adhesive layer; epoxy resin emulsion has good cohesion and thermal stability. The glue obtained by compounding the oxygen resin emulsion and the filler according to a specific ratio has good thermal stability. At the same time, the thermal expansion coefficient of the adhesive layer obtained after the glue is cured is low, so it can be glued in a high temperature environment. The layer can still maintain the fixing effect on the coil; tung oil anhydride is used as the curing agent of the epoxy resin emulsion, which is beneficial to promote the curing efficiency of the glue.

将线圈静置在胶液中3-5min，使得胶液能够更加稳定地附着在线圈的表面以及内壁，然后再经过采用计量辊将线圈的表面以及内壁的多余的胶液抹平，使得线圈的表面以及内壁的胶液能够均匀分布，下一步再进行烘干、安装换向器、引线等步骤制得转子组件；下一步再将制得的转子组件、机壳组件以及端壳组件进行组装，得到空心杯电机的成品，该空心杯电机成品具有线圈稳定性强的优点，有利于延长空心杯电机的使用寿命。Let the coil stand in the glue solution for 3-5min, so that the glue solution can be more stably attached to the surface and inner wall of the coil, and then smooth the surface and inner wall of the coil by using a metering roller. The glue on the surface and the inner wall can be evenly distributed, and the next step is to dry, install the commutator, lead wires and other steps to obtain the rotor assembly; The finished product of the hollow cup motor is obtained, and the finished product of the hollow cup motor has the advantages of strong coil stability and is beneficial to prolong the service life of the hollow cup motor.

2、白云母粉具有良好的韧性以及耐高温性能，白云母粉的添加，有利于提高胶液的韧性、附着力以及抗老化性能，同时，白云母粉的热膨胀系数较小，从而有利于提高线圈的实用寿命，轻质碳酸钙粉的添加，在胶液的组分中起到补强的作用，有利于提高胶粘层的耐磨性，同时，轻质碳酸钙粉以及硅微粉配合添加有利于提高胶粘层的尺寸稳定性。2. Muscovite powder has good toughness and high temperature resistance. The addition of muscovite powder is conducive to improving the toughness, adhesion and anti-aging properties of the glue. At the same time, the thermal expansion coefficient of muscovite powder is small, which is conducive to improving the The practical life of the coil and the addition of light calcium carbonate powder play a reinforcing role in the components of the glue, which is beneficial to improve the wear resistance of the adhesive layer. At the same time, the light calcium carbonate powder and silicon micropowder are added together It is beneficial to improve the dimensional stability of the adhesive layer.

3、微硅粉用六甲基二硅胺烷改性后，比表面积大，与环氧树脂乳液中的大分子以及酚醛树脂乳液中的大分子形成“丝状连接”结构，此时需要更大的应力或者消耗更多的外界能量才可使固化的胶粘层断裂，有利于提高了胶粘层的拉伸强度、冲击韧性和弯曲强度，改性后的硅微粉与轻质碳酸钙粉、白云母粉按照特定的质量份进行复配，从而有利于进一步提升胶粘层对线圈的固定作用，即使在温度较高的情况下线圈也不容易发生松动。3. After the micro-silica fume is modified with hexamethyldisilazane, the specific surface area is large, and it forms a "filamentary connection" structure with the macromolecules in the epoxy resin emulsion and the macromolecules in the phenolic resin emulsion. Large stress or consumption of more external energy can make the cured adhesive layer break, which is beneficial to improve the tensile strength, impact toughness and bending strength of the adhesive layer. The modified silica powder and light calcium carbonate powder . The muscovite powder is compounded according to a specific mass fraction, which is beneficial to further improve the fixing effect of the adhesive layer on the coil, and the coil is not easy to loosen even under the condition of high temperature.

附图说明Description of drawings

图1是本发明中空心杯电机制作方法的流程图。Fig. 1 is a flow chart of the manufacturing method of the hollow cup motor of the present invention.

具体实施方式Detailed ways

以下实施例中，线圈采用的是本领域常规使用的漆包线线圈。In the following embodiments, the coils are enameled wire coils conventionally used in the art.

以下实施例中，桐油酸酐采用南京赛润得新材料科技有限公司出售的产品规格为TMA型的桐油酸酐。In the following examples, tung oil anhydride adopts the product specification sold by Nanjing Sairunde New Material Technology Co., Ltd. is TMA type tung oil anhydride.

以下实施例中，环氧树脂乳液采用巴陵石化生产的牌号为E-51的环氧树脂乳液。In the following examples, the epoxy resin emulsion adopts the epoxy resin emulsion with the brand name E-51 produced by Baling Petrochemical.

以下实施例中，酚醛树脂乳液采用亨通化工生产的型号为1411的酚醛树脂乳液。In the following examples, the phenolic resin emulsion adopts the model 1411 phenolic resin emulsion produced by Hengtong Chemical Industry.

以下实施例中，所有的无机原料，如白云母粉、轻质碳酸钙粉等，均由市购所得，所有设备，如反应釜、烘箱等，均由市购所得。In the following examples, all inorganic raw materials, such as muscovite powder, light calcium carbonate powder, etc., are obtained from commercial sources, and all equipment, such as reaction kettles, ovens, etc., are obtained from commercial sources.

以下实施例中，胶液还可以包括其他常规助剂，如着色剂等，着色剂的选用以及添加不会对本发明的实施产生实质性的影响。In the following examples, the glue solution may also include other conventional auxiliary agents, such as colorants, etc., the selection and addition of colorants will not substantially affect the implementation of the present invention.

表1胶液的组分及质量份。Table 1 Component and mass parts of glue.

以下结合附图以及实施例对本发明作进一步详细说明。The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

实施例1Example 1

一种空心杯电机的制作方法，参加图1，包括以下步骤：A method of making a hollow cup motor, see Figure 1, includes the following steps:

S1、制作转子组件：S1. Making rotor components:

S1-1、对线圈进行预处理，预处理方法包括以下步骤：S1-1. Preprocess the coil, and the preprocessing method includes the following steps:

(1)制备胶液，胶液的组分及质量份如表1所示。本实施例中，填料为白云母粉，白云母粉的目数为325目。(1) Preparation of glue, the components and mass parts of glue are shown in Table 1. In this embodiment, the filler is muscovite powder, and the mesh number of the muscovite powder is 325 meshes.

胶液的制备方法如下：The preparation method of the glue is as follows:

A、制备混合物A：先将环氧树脂乳液以及酚醛树脂乳液添加到反应釜中，在30℃的环境下搅拌15min，得到混合物A。A. Preparation of mixture A: First, add epoxy resin emulsion and phenolic resin emulsion into the reaction kettle, and stir for 15 minutes at 30° C. to obtain mixture A.

B、制备混合物B：再将填料混合后进行干燥，在将干燥之后的填料添加到混合物A中，以20r/min的速度混合搅拌10min，制得混合物B。B. Preparation of mixture B: the filler is mixed and then dried, and the dried filler is added to mixture A, and mixed and stirred at a speed of 20 r/min for 10 minutes to prepare mixture B.

C、往混合物B添加桐油酸酐，以20r/min的速度搅拌制得胶液。C. Add tung oil anhydride to mixture B, and stir at a speed of 20 r/min to obtain a glue solution.

(2)浸泡：将线圈浸泡于步骤(1)制备的胶液中，静置3min，以使线圈的表面以及内部均沾有胶液，并得到带有胶液的线圈。(2) Soaking: soak the coil in the glue prepared in step (1), and let it stand for 3 minutes, so that the surface and the inside of the coil are stained with glue, and a coil with glue is obtained.

(3)整形：采用第一计量辊将步骤(2)得到的带有胶液的线圈表面的胶液进行抹平，以使胶液均匀分布于带有胶液的线圈的表面，其中，第一计量辊的直径与线圈的直径相同。在第一计量辊抹平线圈表面的胶液时，第一计量辊对线圈表面的压力为0.48Mpa；下一步再采用第二计量辊贯穿带胶液的线圈内部，并将带胶液的线圈内壁的胶液进行抹平，使得胶液均匀分布于带胶液的线圈内壁，得到预处理后的线圈。(3) Shaping: use the first metering roller to smooth the glue on the surface of the coil with glue obtained in step (2), so that the glue is evenly distributed on the surface of the coil with glue, wherein the first The diameter of a metering roll is the same as the diameter of the coil. When the first metering roller smoothes the glue on the surface of the coil, the pressure of the first metering roller on the surface of the coil is 0.48Mpa; in the next step, the second metering roller is used to penetrate the inside of the coil with glue, and the coil with glue The glue on the inner wall is smoothed, so that the glue is evenly distributed on the inner wall of the coil with glue, and the pretreated coil is obtained.

S1-2、将S1-1得到的预处理后的线圈放入烘箱进行烘干，烘干的温度为110℃，烘干时间为10min，以使胶液在线圈的表面以及内壁形成胶粘层。S1-2. Put the pretreated coil obtained in S1-1 into an oven for drying. The drying temperature is 110°C and the drying time is 10min, so that the glue can form an adhesive layer on the surface and inner wall of the coil. .

S1-3、将S1-2得到的线圈进行上胶安装换向器、引线、焊接、涂平面胶、烘烤、测转子转动时的波形、转子抛光等步骤，得到转子组件。S1-3, the coil obtained in S1-2 is subjected to the steps of gluing and installing the commutator, lead wire, welding, applying plane glue, baking, measuring the waveform when the rotor rotates, and polishing the rotor to obtain a rotor assembly.

S2、制作机壳组件。S2, making a casing assembly.

S3、制作端盖组件。S3, making the end cap assembly.

S4、组装：先将S1制得的转子组件安装到S3制得的机壳组件中，然后再将S3得到的端盖组件安装到机壳组件的端部，得到初型的空心杯电机。S4. Assembling: first install the rotor assembly made by S1 into the casing assembly made by S3, and then install the end cover assembly obtained by S3 to the end of the casing assembly to obtain the initial hollow cup motor.

S5、制得空心杯电机成品：将S4制得的空心杯电机依次进行调波形、铆合端盖、安装止挡片、调节止挡片和铆合偏心块，最后得到空心杯电机成品。S5. Preparation of the finished hollow cup motor: The hollow cup motor prepared in S4 is sequentially adjusted in waveform, riveted end caps, installed stopper, adjusted stopper and riveted eccentric block, and finally the finished hollow cup motor is obtained.

实施例2Example 2

一种空心杯电机的制作方法，参加图1，与实施例1的区别在于：S1-1中对线圈预处理方法包括以下步骤：A manufacturing method of a hollow cup motor, see FIG. 1 , and the difference from Embodiment 1 is that the coil pretreatment method in S1-1 includes the following steps:

(1)制备胶液，胶液的组分及质量份如表1所示。(1) Preparation of glue, the components and mass parts of glue are shown in Table 1.

胶液的制备方法如下：The preparation method of the glue is as follows:

A、制备混合物A：先将环氧树脂乳液以及酚醛树脂乳液添加到反应釜中，在33℃的环境下搅拌18min，得到混合物A。A. Preparation of mixture A: First, add epoxy resin emulsion and phenolic resin emulsion into the reaction kettle, and stir for 18 minutes at 33° C. to obtain mixture A.

B、制备混合物B：再将填料混合后进行干燥，在将干燥之后的填料添加到混合物A中，以25r/min的速度混合搅拌13min，制得混合物B。B. Preparation of mixture B: the filler is mixed and then dried, and the dried filler is added to mixture A, and mixed and stirred at a speed of 25r/min for 13 minutes to prepare mixture B.

C、往混合物B添加桐油酸酐，以22r/min的速度搅拌制得胶液。C. Add tung oil anhydride to mixture B, and stir at a speed of 22r/min to obtain a glue solution.

(2)浸泡：将线圈浸泡于步骤(1)制备的胶液中，静置4min，以使线圈的表面以及内部均沾有胶液，并得到带有胶液的线圈。(2) Soaking: soak the coil in the glue prepared in step (1), and let it stand for 4 minutes, so that the surface and the inside of the coil are stained with glue, and a coil with glue is obtained.

(3)整形：采用第一计量辊将步骤(2)得到的带有胶液的线圈表面的胶液进行抹平，以使胶液均匀分布于带有胶液的线圈的表面，在第一计量辊抹平线圈表面的胶液时，第一计量辊对线圈表面的压力为0.5MPa。(3) Shaping: use the first metering roller to smooth the glue on the surface of the coil with glue obtained in step (2), so that the glue is evenly distributed on the surface of the coil with glue. When the metering roller smoothes the glue on the surface of the coil, the pressure of the first metering roller on the surface of the coil is 0.5MPa.

实施例3Example 3

一种空心杯电机的制作方法，参加图1，与实施例2的区别在于：胶液的组分及质量份如表1所示。S1-1、对线圈进行预处理，预处理方法包括以下步骤：A manufacturing method of a hollow cup motor is shown in Figure 1. The difference from Example 2 is that the components and mass parts of the glue are shown in Table 1. S1-1. Preprocess the coil, and the preprocessing method includes the following steps:

(1)制备胶液，胶液的组分及质量份如表1所示。胶液的制备方法如下：(1) Preparation of glue, the components and mass parts of glue are shown in Table 1. The preparation method of the glue is as follows:

A、制备混合物A：先将环氧树脂乳液以及酚醛树脂乳液添加到反应釜中，在35℃的环境下搅拌20min，得到混合物A。A. Preparation of mixture A: First, add epoxy resin emulsion and phenolic resin emulsion into the reaction kettle, and stir for 20 minutes at 35° C. to obtain mixture A.

B、制备混合物B：再将填料混合后进行干燥，在将干燥之后的填料添加到混合物A中，以30r/min的速度混合搅拌5min，制得混合物B。B. Preparation of mixture B: the fillers are mixed and then dried, and the dried fillers are added to mixture A, and mixed and stirred at a speed of 30 r/min for 5 minutes to prepare mixture B.

C、往混合物B添加桐油酸酐，以25r/min的速度搅拌制得胶液。C. Add tung oil anhydride to mixture B, and stir at a speed of 25r/min to obtain a glue solution.

(2)浸泡：将线圈浸泡于步骤(1)制备的胶液中，静置5min，以使线圈的表面以及内部均沾有胶液，并得到带有胶液的线圈。(2) Soaking: soak the coil in the glue prepared in step (1), and let it stand for 5 minutes, so that the surface and the inside of the coil are stained with glue, and a coil with glue is obtained.

(3)整形：采用第一计量辊将步骤(2)得到的带有胶液的线圈表面的胶液进行抹平，以使胶液均匀分布于带有胶液的线圈的表面，在第一计量辊抹平线圈表面的胶液时，第一计量辊对线圈表面的压力为0.6MPa。(3) Shaping: use the first metering roller to smooth the glue on the surface of the coil with glue obtained in step (2), so that the glue is evenly distributed on the surface of the coil with glue. When the metering roller smoothes the glue on the surface of the coil, the pressure of the first metering roller on the surface of the coil is 0.6MPa.

S1-2中预处理后的线圈在烘箱的烘干温度为115℃，烘干时间为12min，以使胶液在线圈的表面以及内壁形成胶粘层。The drying temperature of the coil pretreated in S1-2 is 115°C, and the drying time is 12 minutes, so that the glue liquid forms an adhesive layer on the surface and inner wall of the coil.

实施例4Example 4

一种空心杯电机的制作方法，与实施例3的区别在于：胶液的组分及质量份如表1所示。本实施例中，填料包括白云母粉以及硅微粉，其中白云母粉的质量份与硅微粉的质量份如表1所示。硅微粉的目数为325目。A manufacturing method of a hollow cup motor is different from Example 3 in that the components and mass parts of the glue solution are shown in Table 1. In this embodiment, the fillers include muscovite powder and silicon micropowder, wherein the mass parts of the muscovite powder and the mass parts of the silicon micropowder are shown in Table 1. The mesh number of the silicon micropowder is 325 meshes.

在第一计量辊抹平线圈表面的胶液时，第一计量辊对线圈表面的压力为0.8MPa。When the first metering roller smoothes the glue on the surface of the coil, the pressure of the first metering roller on the surface of the coil is 0.8 MPa.

S1-2中预处理后的线圈在烘箱的烘干温度为119℃，烘干时间为15min，以使胶液在线圈的表面以及内壁形成胶粘层。The drying temperature of the coil after pretreatment in S1-2 is 119°C, and the drying time is 15min, so that the glue liquid forms an adhesive layer on the surface and inner wall of the coil.

实施例5Example 5

一种空心杯电机的制作方法，与实施例4的区别在于：胶液的组分及质量份如表1所示。本实施例中，填料包括白云母粉、轻质碳酸钙粉以及硅微粉，其中白云母粉的质量份、轻质碳酸钙粉的质量份与硅微粉的质量份如表1所示。轻质碳酸钙粉的目数为800目。A manufacturing method of a hollow cup motor is different from Example 4 in that the components and mass parts of the glue are shown in Table 1. In this embodiment, the fillers include muscovite powder, light calcium carbonate powder and silicon micropowder, wherein the mass parts of muscovite powder, light calcium carbonate powder and silicon micropowder are shown in Table 1. The mesh number of light calcium carbonate powder is 800 mesh.

S1-2中预处理后的线圈在烘箱的烘干温度为115℃，烘干时间为12min，以使胶液在线圈的表面以及内壁形成胶粘层。The drying temperature of the coil pretreated in S1-2 is 115°C, and the drying time is 12 minutes, so that the glue liquid forms an adhesive layer on the surface and inner wall of the coil.

实施例6Example 6

一种空心杯电机的制作方法，与实施例5的区别在于：胶液的组分及质量份如表1所示。A manufacturing method of a hollow cup motor is different from Example 5 in that the components and mass parts of the glue solution are shown in Table 1.

轻质碳酸钙粉经表面处理后使用，表面处理方法如下：Light calcium carbonate powder is used after surface treatment. The surface treatment method is as follows:

(1)制备铝酸酯偶联剂溶液：将铝酸酯偶联剂与无水乙醇混合形成铝酸酯偶联剂溶液，铝酸酯偶联剂溶液中铝酸酯偶联剂的质量浓度为40％；(1) Preparation of aluminate coupling agent solution: mixing aluminate coupling agent with absolute ethanol to form aluminate coupling agent solution, the mass concentration of aluminate coupling agent in the aluminate coupling agent solution is 40%;

(2)制备硅烷偶联剂溶液：将硅烷偶联剂与无水乙醇混合形成硅烷偶联剂溶液，硅烷偶联剂溶液中硅烷偶联剂的质量浓度为40％；(2) Preparation of silane coupling agent solution: mixing the silane coupling agent with absolute ethanol to form a silane coupling agent solution, and the mass concentration of the silane coupling agent in the silane coupling agent solution is 40%;

(3)先将质量份为100份轻质碳酸钙粉加入铝酸酯偶联剂溶液中混合90min，铝酸酯偶联剂的用量为轻质碳酸钙粉质量的0.5％；然后再加入硅烷偶联剂溶液，硅烷偶联剂的用量为轻质碳酸钙粉重量的0.3％，混合60min，最后真空干燥，得到经过预处理的轻质碳酸钙粉。(3) firstly add 100 parts by mass of light calcium carbonate powder to the aluminate coupling agent solution and mix for 90min, the dosage of aluminate coupling agent is 0.5% of the mass of light calcium carbonate powder; then add silane In the coupling agent solution, the amount of the silane coupling agent is 0.3% of the weight of the light calcium carbonate powder, mixed for 60 minutes, and finally vacuum dried to obtain the pretreated light calcium carbonate powder.

实施例7Example 7

一种空心杯电机的制作方法，与实施例6的区别在于：胶液的组分及质量份如表1所示。A manufacturing method of a hollow cup motor is different from Example 6 in that the components and mass parts of the glue are shown in Table 1.

轻质碳酸钙粉表面处理方法中，(1)铝酸酯偶联剂溶液中铝酸酯偶联剂的质量浓度为30％。(2)硅烷偶联剂溶液中硅烷偶联剂的质量浓度为30％；(3)先将质量份为100份轻质碳酸钙粉加入铝酸酯偶联剂溶液中混合60min，铝酸酯偶联剂的用量为轻质碳酸钙粉质量的0.3％；然后再加入硅烷偶联剂溶液，硅烷偶联剂的用量为轻质碳酸钙粉重量的0.1％，混合40min，最后真空干燥，得到经过预处理的轻质碳酸钙粉。In the light calcium carbonate powder surface treatment method, (1) the mass concentration of the aluminate coupling agent in the aluminate coupling agent solution is 30%. (2) The mass concentration of the silane coupling agent in the silane coupling agent solution is 30%; (3) First, add 100 parts by mass of light calcium carbonate powder to the aluminate coupling agent solution and mix for 60 minutes, and the aluminate The dosage of the coupling agent is 0.3% of the weight of the light calcium carbonate powder; then the silane coupling agent solution is added, and the dosage of the silane coupling agent is 0.1% of the weight of the light calcium carbonate powder, mixed for 40 minutes, and finally vacuum dried to obtain Pretreated light calcium carbonate powder.

在本实施例中，硅微粉为改性硅微粉，改性硅微粉的制备方法如下：In this embodiment, the silicon micropowder is modified silicon micropowder, and the preparation method of the modified silicon micropowder is as follows:

将氧化铝球装入球磨机中；将4目硅微粉和六甲基二硅胺烷同时加入球磨机中，六甲基二硅胺烷用量为硅微粉质量的0.1‰，在30rpm的转速下，研磨1h出料，筛分，利用325目的筛网得到改性硅微粉。六甲基二硅胺烷采用浙江胡涂硅有限公司出售的六甲基二硅胺烷。Put the alumina balls into the ball mill; add 4 mesh silicon micropowder and hexamethyldisilazane into the ball mill at the same time. After 1 hour, the material was discharged, sieved, and the modified silica micropowder was obtained by using a 325-mesh sieve. The hexamethyldisilazane used was hexamethyldisilazane sold by Zhejiang Hutu Silicon Co., Ltd.

实施例8Example 8

一种空心杯电机的制作方法，与实施例7的区别在于：胶液的组分及质量份如表1所示。A manufacturing method of a hollow cup motor is different from Example 7 in that the components and mass parts of the glue are shown in Table 1.

轻质碳酸钙粉的表面处理方法中，(1)铝酸酯偶联剂溶液中铝酸酯偶联剂的质量浓度为35％。(2)硅烷偶联剂溶液中硅烷偶联剂的质量浓度为35％。(3)先将质量份为100份轻质碳酸钙粉加入铝酸酯偶联剂溶液中混合80min，铝酸酯偶联剂的用量为轻质碳酸钙粉质量的0.4％；然后再加入硅烷偶联剂溶液，硅烷偶联剂的用量为轻质碳酸钙粉重量的0.2％，混合50min，最后真空干燥，得到经过预处理的轻质碳酸钙粉。In the surface treatment method of the light calcium carbonate powder, (1) the mass concentration of the aluminate coupling agent in the aluminate coupling agent solution is 35%. (2) The mass concentration of the silane coupling agent in the silane coupling agent solution is 35%. (3) firstly add 100 parts by mass of light calcium carbonate powder to the aluminate coupling agent solution and mix for 80min, the dosage of aluminate coupling agent is 0.4% of the mass of light calcium carbonate powder; then add silane In the coupling agent solution, the amount of the silane coupling agent is 0.2% of the weight of the light calcium carbonate powder, mixed for 50 minutes, and finally vacuum dried to obtain the pretreated light calcium carbonate powder.

硅微粉为改性硅微粉，改性硅微粉的制备方法如下：Silicon micropowder is modified silicon micropowder, and the preparation method of modified silicon micropowder is as follows:

将氧化铝球装入球磨机中；将12目硅微粉和六甲基二硅胺烷同时加入球磨机中，六甲基二硅胺烷用量为硅微粉质量的1‰，在40rpm的转速下，研磨1.5h出料，筛分，得到改性硅微粉。Put the alumina balls into the ball mill; add 12 mesh silicon micropowder and hexamethyldisilazane into the ball mill at the same time. 1.5h discharge, sieve to obtain modified silicon micropowder.

实施例9Example 9

一种空心杯电机的制作方法，与实施例8的区别在于：胶液的组分及质量份如表1所示。A manufacturing method of a hollow cup motor is different from Example 8 in that the components and mass parts of the glue solution are shown in Table 1.

硅微粉为改性硅微粉，改性硅微粉的制备方法如下：Silicon micropowder is modified silicon micropowder, and the preparation method of modified silicon micropowder is as follows:

将氧化铝球装入球磨机中；将16目硅微粉和六甲基二硅胺烷同时加入球磨机中，六甲基二硅胺烷用量为硅微粉质量的2‰，在50rpm的转速下，研磨2h出料，得到改性硅微粉。Put the alumina balls into the ball mill; add 16 mesh silicon micropowder and hexamethyldisilazane into the ball mill at the same time. 2h discharge to obtain modified silicon micropowder.

比较例1Comparative Example 1

一种空心杯电机的制作方法，与实施例1的区别在于：在S1-1中的整形操作中，第一计量辊对线圈表面的压力为1Mpa。A manufacturing method of a hollow cup motor, the difference from Embodiment 1 is that in the shaping operation in S1-1, the pressure of the first metering roller on the surface of the coil is 1Mpa.

比较例2Comparative Example 2

一种空心杯电机的制作方法，与实施例1的区别在于：S1-2中，烘箱对S1-1得到的预处理后的线圈的烘干温度为127℃。A manufacturing method of a hollow cup motor is different from Embodiment 1 in that: in S1-2, the drying temperature of the pretreated coil obtained in S1-1 by an oven is 127°C.

比较例3Comparative Example 3

一种空心杯电机的制作方法，与实施例2的区别在于：填料采用绢云母代替白云母粉。A method for making a hollow cup motor is different from Example 2 in that the filler is sericite instead of muscovite powder.

比较例4Comparative Example 4

一种空心杯电机的制作方法，与实施例7的区别在于：填料中的硅微粉采用以下方法进行改性：A manufacturing method of a hollow cup motor, the difference from Example 7 is that the silicon micropowder in the filler is modified by the following method:

先用氩气对硅微粉进行表面清洗，然后将清洗后的硅微粉放入反应瓶中，加入相当于硅微粉重量2-4％的吡咯、3-5％的1，3-二氨基丙烷、2-4％的丙烯酸、2-4％的硅烷偶联剂，搅拌均匀，在真空条件下，使用射频频率为10-15MHz的射频等离子体放电，放电功率为100-120W、放电时间为60-80s，即得改性的硅微粉。First, the surface of the silicon micropowder was cleaned with argon gas, and then the cleaned silicon micropowder was put into a reaction flask, and pyrrole equivalent to 2-4% by weight of the silicon micropowder, 3-5% of 1,3-diaminopropane, 2-4% acrylic acid, 2-4% silane coupling agent, stir evenly, under vacuum conditions, use the radio frequency plasma discharge with the radio frequency frequency of 10-15MHz, the discharge power is 100-120W, and the discharge time is 60- 80s, the modified silicon micropowder is obtained.

比较例5Comparative Example 5

一种空心杯电机的制作方法，与实施例8的区别在于：胶液包括以下以质量份表示的组分：环氧树脂乳液25份、酚醛树脂乳液30份、白云母粉2份、轻质碳酸钙8份、硅微粉6.3份A manufacturing method of a hollow cup motor, the difference from Example 8 is that the glue solution includes the following components expressed in parts by mass: 25 parts of epoxy resin emulsion, 30 parts of phenolic resin emulsion, 2 parts of muscovite powder, light weight 8 parts of calcium carbonate, 6.3 parts of silicon powder

和桐油酸酐2.9份。And 2.9 parts of tung oil anhydride.

各实施例以及比较例的检测数据见表2。The detection data of each embodiment and comparative example are shown in Table 2.

实施例1-9以及比较例1-5制得的胶液进行取样并分别设置为胶液试样1-14。The glue solutions prepared in Examples 1-9 and Comparative Examples 1-5 were sampled and set as glue solution samples 1-14 respectively.

实验1Experiment 1

粘度测试：按照《GB/T 2794-2013胶粘剂粘度的测定》测定胶液试样1-14的粘度(Pa·s)。Viscosity test: According to "GB/T 2794-2013 Determination of Adhesive Viscosity", the viscosity (Pa·s) of glue samples 1-14 was measured.

实验2Experiment 2

热老化性能测试：Thermal aging performance test:

1.取若干线圈对应浸泡于胶液试样1-14中并按照步骤S1-1制得沾有胶液的线圈，并将两个沾有胶液的线圈的其中一端相互粘结在一起，下一步按照对应的实施例或者比较例的步骤S1-2处理，并对应制得线圈组试样1-14，测量将两个线圈剥离的剥离强度(MPa)。1. Take a number of coils and soak them in the glue sample 1-14 and make the coils stained with glue according to step S1-1, and bond one end of the two coils with glue together. The next step is to process according to step S1-2 of the corresponding embodiment or comparative example, and correspondingly prepare coil group samples 1-14, and measure the peel strength (MPa) of peeling off the two coils.

2.取若干线圈对应浸泡于胶液试样1-14中并按照步骤S1-1制得沾有胶液的线圈，并将两个沾有胶液的线圈的其中一端相互粘结在一起，下一步按照对应的实施例或者比较例的步骤S1-2处理，并对应制得线圈组试样1-14，将线圈组试样1-14放入烘箱中，并在100℃的条件下静置50min，测量将线圈组试样中的两个线圈剥离的剥离强度(MPa)。2. Take a number of coils and soak them in the glue sample 1-14 and make the coils stained with glue according to step S1-1, and bond one end of the two coils with glue together. The next step is to process according to step S1-2 of the corresponding embodiment or comparative example, and correspondingly prepare the coil group samples 1-14, put the coil group samples 1-14 into the oven, and keep them statically at 100°C. After 50 minutes, the peel strength (MPa) of peeling off the two coils in the coil group sample was measured.

实验3Experiment 3

空心杯电机性能测试：将胶液试样1-14对应制得空心杯电机试样1-14。Hollow cup motor performance test: Corresponding glue samples 1-14 to prepare hollow cup motor samples 1-14.

采用东莞市迈科仪器设备有限公司出售的型号为MK-0618-ZZ的微电机检测仪检测空心杯电机试样1-14在30℃转动100个小时之后的转速情况、波形情况、电流情况以及电压情况并记录数据至表3。The rotation speed, waveform, current and voltage conditions and record the data to Table 3.

实验4Experiment 4

经过实验3后的线圈性能测试：将经过实验3检测空心杯电机试样1-14中的转子组件取出，并观察转子组件中线圈的松动情况，并记录数据至表3。Coil performance test after Experiment 3: Take out the rotor assembly in samples 1-14 of the hollow cup motor tested in Experiment 3, observe the looseness of the coil in the rotor assembly, and record the data in Table 3.

表2胶液试样1-14进行实验1以及线圈组试样1-14进行实验2的测试数据。Table 2. Test data of glue samples 1-14 for experiment 1 and coil group samples 1-14 for experiment 2.

表3空心杯电机试样1-14进行试样3-4的测试数据。Table 3. Test data of samples 3-4 for hollow cup motor samples 1-14.

实验2实际上通过剥离强度这个性能模拟表征在高温情况下线圈是否容易发生松动。制作线圈组试样1中第一计量辊对线圈表面所采用的压力值为0.48Mpa，制作线圈组试样2中第一计量辊对线圈表面所采用的压力值为0.5Mpa，制作线圈组试样10中第一计量辊对线圈表面所采用的压力值为1Mpa。但是从表1的数据中可以看出，线圈组试样1在放入烘箱前的剥离强度小于线圈组试样2在放入烘箱前的剥离强度。这说明，当第一计量辊对线圈表面的压力小于0.5Mpa时，胶液与线圈的附着强度较小，从而使得线圈组试样1中的两个线圈很容易剥离。线圈组试样10从烘箱取出后的剥离强度小于线圈组试样2从烘箱取出后的剥离强度，这说明，虽然第一计量辊对线圈表面的压力为1Mpa时，能够使得胶液稳定附着于线圈，但是，由于第一计量辊对线圈表面的压力大于0.8Mpa，这也容易导致在线圈处形成的胶粘层的结构强度产生影响，同时也容易压断线圈。由此可知，将第一计量辊对线圈表面的压力控制在0.5-0.8Mpa，在保证第一计量辊对线圈的压力不会压断线圈的情况下，有利于提升第一计量辊对线圈表面的胶液的抹平效果，同时有利于提升胶液与线圈的附着强度，由此使得线圈中的漆包线之间的剥离强度较大，从而说明将第一计量辊对线圈表面的压力控制在0.5-0.8Mpa，有利于使胶液固化后对线圈的定性作用良好，使得线圈更加不容易松动。Experiment 2 actually used the performance simulation of peel strength to characterize whether the coil is prone to loosening at high temperature. The pressure value used by the first metering roller on the surface of the coil in the production of coil group sample 1 is 0.48Mpa, and the pressure value used by the first metering roller on the surface of the coil in the production of coil group sample 2 is 0.5Mpa. In sample 10, the pressure applied by the first metering roller to the surface of the coil is 1 Mpa. However, it can be seen from the data in Table 1 that the peel strength of coil assembly sample 1 before being placed in the oven is lower than that of coil assembly sample 2 before being placed in the oven. This shows that when the pressure of the first metering roller on the surface of the coil is less than 0.5Mpa, the adhesive strength between the glue and the coil is small, so that the two coils in the coil group sample 1 are easily peeled off. The peel strength of coil group sample 10 after being taken out of the oven is lower than that of coil group sample 2 after being taken out of the oven. However, since the pressure of the first metering roller on the surface of the coil is greater than 0.8Mpa, this also easily affects the structural strength of the adhesive layer formed at the coil, and also easily breaks the coil. It can be seen from this that the pressure of the first metering roller on the surface of the coil is controlled at 0.5-0.8Mpa, and it is beneficial to improve the first metering roller to the coil under the condition that the pressure of the first metering roller on the coil will not break the coil. The smoothing effect of the glue on the surface is also conducive to improving the adhesion strength of the glue and the coil, thereby making the peeling strength between the enameled wires in the coil larger, which means that the pressure of the first metering roller on the surface of the coil is controlled at 0.5-0.8Mpa, which is conducive to the qualitative effect of the glue on the coil after curing, making the coil more difficult to loosen.

线圈组试样1在制作的过程中，将烘干温度控制在110℃，烘干时间为10min，线圈组试样11在制作的过程中，将烘干温度控制在127℃，烘干时间为10min。从表2的数据中可以看出，线圈组试样1的剥离强度小于线圈组试样2-9的剥离强度，线圈组试样11的剥离强度小于线圈组试样2-9的剥离强度。这说明，当烘干温度较小时，胶液的固化程度容易受到影响，从而影响胶液与线圈的粘结性能；当烘干温度较大时，胶液的固化程度过大，这个时候胶粘层在100℃的条件下静置后容易使得胶粘层开裂，由此导致线圈组试样11的剥离强度较小。而线圈组试样2-9中，将烘箱对S1-1得到的预处理后的线圈的烘干温度控制在115-125℃之间，一方面有利于避免温度小于110℃而影响胶液的固化，另一方面有利于避免温度大于115℃会影响胶液的固化效果；同时，将烘干时间控制在12-18min，也有利于保证胶液的固化效果。During the production process of coil group sample 1, the drying temperature was controlled at 110 °C, and the drying time was 10 min. During the production process of coil group sample 11, the drying temperature was controlled at 127 °C, and the drying time was 10min. It can be seen from the data in Table 2 that the peel strength of coil assembly sample 1 is smaller than that of coil assembly sample 2-9, and the peel strength of coil assembly sample 11 is smaller than that of coil assembly sample 2-9. This shows that when the drying temperature is low, the curing degree of the glue is easily affected, thereby affecting the bonding performance of the glue and the coil; when the drying temperature is high, the curing degree of the glue is too large, and the glue The adhesive layer is easily cracked after the layer is allowed to stand at 100° C., thereby resulting in a low peel strength of the coil assembly sample 11 . In the coil group sample 2-9, the drying temperature of the pretreated coil obtained from S1-1 in the oven is controlled between 115-125 °C, which is beneficial to avoid the temperature lower than 110 °C and affect the glue solution. Curing, on the other hand, is beneficial to avoid that the temperature greater than 115 °C will affect the curing effect of the glue; at the same time, controlling the drying time to 12-18min is also beneficial to ensure the curing effect of the glue.

胶液试样2制备的胶液中采用的是白云母粉，而胶液试样12采用的是绢云母粉，但是从表2的数据中可以看出，胶液试样2的粘度大于胶液试样12的粘度。而且采用胶液试样2制得的线圈组试样2的剥离强度比采用胶液试样12制得的线圈组试样12的剥离强度大，空心杯电机试样2经过实验3以及实验4后的工作情况良好，没有出现转子松动的情况。而采用胶液试样12制得的空心杯电机试样12经过实验3以及实验4后，出现转子松动的情况。这说明，虽然两者都是云母粉，但白云母粉具有良好的韧性以及耐高温性能，而且白云母粉添加到胶液中，更加有利于提高胶液的韧性、附着力以及抗老化性能，同时，白云母粉的热膨胀系数较小，从而有利于提高线圈的实用寿命。Muscovite powder is used in the glue prepared by glue sample 2, while sericite powder is used in glue sample 12. However, it can be seen from the data in Table 2 that the viscosity of glue sample 2 is higher than that of glue. viscosity of liquid sample 12. Moreover, the peel strength of the coil assembly sample 2 prepared with the glue liquid sample 2 is higher than that of the coil assembly sample 12 prepared with the glue liquid sample 12. The hollow cup motor sample 2 has undergone experiments 3 and 4. After the work is in good condition, there is no loose rotor. However, the hollow cup motor sample 12 prepared by using the glue liquid sample 12 was subjected to Experiment 3 and Experiment 4, and the rotor was loose. This shows that although both are mica powders, the muscovite powder has good toughness and high temperature resistance, and the addition of muscovite powder to the glue is more conducive to improving the toughness, adhesion and anti-aging properties of the glue. At the same time, the thermal expansion coefficient of muscovite powder is small, which is beneficial to improve the practical life of the coil.

胶液试样5采用的是未经过预处理的轻质碳酸钙粉，而胶液试样6采用的是经过铝酸酯偶联剂与硅烷偶联剂预处理的轻质碳酸钙粉。从表2以及表3中的数据可知，经过预处理的轻质碳酸钙粉的添加一方面有利于使得胶液固化后具有良好的结构强度，从而有利于提高胶粘层对线圈的固定作用，使得线圈不容易松散。而且这个预处理方法能有效防止轻质碳酸钙粉团聚，且有利于增强轻质碳酸钙粉与环氧树脂乳液、酚醛树脂乳液的结合强度，有利于提升胶液整体的热稳定性能，使得从烘箱取出的线圈仍保留良好的剥离强度。Glue sample 5 uses light calcium carbonate powder without pretreatment, while glue sample 6 uses light calcium carbonate powder pretreated with aluminate coupling agent and silane coupling agent. From the data in Table 2 and Table 3, it can be seen that the addition of the pretreated light calcium carbonate powder is beneficial to make the glue liquid have good structural strength after curing, thereby helping to improve the fixing effect of the adhesive layer on the coil, Makes the coil not easy to loosen. Moreover, this pretreatment method can effectively prevent the agglomeration of the light calcium carbonate powder, and is conducive to enhancing the bonding strength of the light calcium carbonate powder with the epoxy resin emulsion and phenolic resin emulsion, and is conducive to improving the overall thermal stability of the glue. The coils taken out of the oven still retain good peel strength.

胶液试样7采用的是经过改性后的硅微粉，胶液试样13采用的是另一种改性方法对硅微粉进行改性。从表2和表3的数据可知，胶液试样7的粘度小于胶液试样13的粘度，但是采用胶液试样13制得的线圈组试样7经过烘箱的加热处理后，线圈组试样13的剥离强度反而小于线圈组试样7的剥离强度，虽然胶液试样13的粘度较大但导热性能较差，使得在较高的温度对胶粘层的粘结性能影响较大，由此经过100℃的温度下受热后导致线圈组试样13反而变小。由此说明采用特定的改性方法对微硅粉进行改性后，在粘度比较稳定地情况下，使得改性硅微粉的添加有利于提高了胶粘层的热稳定性、拉伸强度、冲击韧性和弯曲强度，改性后的硅微粉与轻质碳酸钙粉、白云母粉按照特定的质量份进行复配，从而有利于进一步提升胶粘层对线圈的固定作用，即使在温度较高的情况下线圈也不容易发生松动。Glue sample 7 uses modified silicon micropowder, and glue sample 13 uses another modification method to modify the silicon micropowder. From the data in Table 2 and Table 3, it can be seen that the viscosity of the glue liquid sample 7 is lower than that of the glue liquid sample 13, but the coil assembly sample 7 prepared by using the glue liquid sample 13 is heated in an oven. The peel strength of sample 13 is smaller than that of the coil group sample 7. Although the viscosity of the glue liquid sample 13 is higher, the thermal conductivity is poor, so that the higher temperature has a greater impact on the bonding performance of the adhesive layer. Therefore, the coil assembly sample 13 becomes smaller after being heated at a temperature of 100°C. This shows that the addition of modified silica powder is beneficial to improve the thermal stability, tensile strength and impact of the adhesive layer under the condition that the viscosity is relatively stable after the micro-silica powder is modified by a specific modification method. Toughness and bending strength, the modified silica powder is compounded with light calcium carbonate powder and muscovite powder according to a specific mass fraction, which is beneficial to further improve the fixing effect of the adhesive layer on the coil, even in high temperature. The coil is not easy to loosen under the circumstances.

胶液试样14采用的胶液中，每个组分之间的配比不在本发明中胶液每个组分之间的配比范围内，从表2的数据中可以看出，胶液试样14进行实验2时放入烘箱前进行加热测试前剥离强度与胶液试样1-9进行实验2时放入烘箱前进行加热测试前剥离强度接近，但是胶液试样14进行烘箱的加热测试后测得的剥离强度比胶液试样1-9进行烘箱的加热测试后测得的剥离强度要小，而且从胶液试样14进行实验4的测试结果中可以看出，胶液试样14对线圈的固定作用比胶液试样1-9对线圈的固定作用要差。这说明当温度超出胶液试样14的胶液所能承受的温度范围外时，胶液对线圈的固定作用受到影响。由此可见，即使用于制备胶液的每个组分相同，但是，相同的组分通过不同的质量份配比制得的胶液的热稳定性以及对线圈的固定作用是有所差距的。而本发明中各个组分按照特定的质量份复配制得的胶液，并且配合特定的制作方法制得的空心杯电机，其具有线圈稳定性强的优点，有利于延长空心杯电机的使用寿命。In the glue used in the glue sample 14, the ratio between each component is not within the range of the ratio between each component of the glue in the present invention. It can be seen from the data in Table 2 that the glue When sample 14 was put into the oven for experiment 2, the peel strength before the heating test was close to that of glue samples 1-9 when it was put into the oven for experiment 2. The peel strength measured after the heating test is smaller than the peel strength measured after the glue sample 1-9 is heated in the oven, and it can be seen from the test results of the glue sample 14 in the experiment 4 that the glue Sample 14 holds the coils less well than glue samples 1-9 hold the coils. This shows that when the temperature exceeds the temperature range that the glue liquid of the glue liquid sample 14 can bear, the fixing effect of the glue liquid on the coil is affected. It can be seen that, even if each component used to prepare the glue is the same, the thermal stability of the glue prepared by the same components with different mass ratios and the fixing effect on the coil are different. . In the present invention, the glue solution prepared by each component according to a specific mass fraction, and the hollow cup motor prepared by cooperating with a specific manufacturing method, has the advantages of strong coil stability, which is beneficial to prolong the service life of the hollow cup motor .

上述实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。The above embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but only in the claims of the present invention. are protected by patent law.

Claims (10)

1. A manufacturing method of a coreless motor is characterized in that: the method comprises the following steps:

s1, manufacturing a rotor assembly:

s1-1, preprocessing the coil, wherein the preprocessing method comprises the following steps:

(1) preparing a glue solution, wherein the glue solution comprises the following components in parts by mass:

20-30 parts of epoxy resin emulsion

13-18 parts of phenolic resin emulsion

11-25 parts of filler

2-4 parts of tung oil anhydride;

(2) soaking: soaking the coil in the glue solution prepared in the step (1), standing for 3-5min to make the surface and the interior of the coil both stained with the glue solution and obtain the coil with the glue solution;

(3) shaping: leveling the glue solution on the surface of the coil with the glue solution obtained in the step (2) by adopting a first metering roller so that the glue solution is uniformly distributed on the surface of the coil with the glue solution, penetrating the interior of the coil with the glue solution by adopting a second metering roller, and leveling the glue solution on the inner wall of the coil with the glue solution so that the glue solution is uniformly distributed on the inner wall of the coil with the glue solution to obtain a pretreated coil, wherein the diameter of the first metering roller is the same as that of the coil;

s1-2, putting the pretreated coil obtained in the step S1-1 into an oven for drying so that glue solution forms an adhesive layer on the surface and the inner wall of the coil;

s1-3, carrying out steps of gluing, mounting a commutator, leading wires, welding, coating plane glue, baking, measuring the waveform of the rotor during rotation, polishing the rotor and the like on the coil obtained in the step S1-2 to obtain a rotor assembly;

s2, manufacturing a shell assembly;

s3, manufacturing an end cover assembly;

s4, assembling: firstly, mounting the rotor assembly prepared in the step S1 into the machine shell assembly prepared in the step S3, and then mounting the end cover assembly obtained in the step S3 to the end part of the machine shell assembly to obtain an original hollow cup motor;

s5, preparing a hollow cup motor finished product: and (5) sequentially carrying out waveform adjustment, end cover riveting, stop piece installation, stop piece adjustment and eccentric block riveting on the coreless motor prepared in the step S4 to obtain a coreless motor finished product.

2. The method of claim 1, wherein the method comprises the steps of: in the step (3) of S1-1, when the first metering roll scrubs the glue solution on the coil surface, the pressure of the first metering roll to the coil surface is 0.5-0.8 MPa.

3. The method of claim 1, wherein the method comprises the steps of: in S1-2, the drying temperature of the oven for the pretreated coil obtained in S1-1 is 115-125 ℃.

4. The method of claim 3, wherein the method comprises the steps of: in S1-2, the drying time of the pretreated coil obtained in S1-1 is 12-18 min.

5. The method of claim 1, wherein the method comprises the steps of: the glue solution comprises the following components in parts by mass:

22-28 parts of epoxy resin emulsion

14-17 parts of phenolic resin emulsion

13-20.5 parts of filler

2.4-3.6 parts of tung oil anhydride.

6. The method of claim 5, wherein the method comprises the steps of: the filler comprises one or more of muscovite powder, light calcium carbonate powder and silicon micropowder.

7. The method of claim 5, wherein the method comprises the steps of: the filler comprises the following components in parts by mass:

8-11 parts of muscovite powder

1-2.5 parts of light calcium carbonate powder

4-7 parts of silicon micropowder.

8. The method of claim 7, wherein the method comprises the steps of: the light calcium carbonate powder is used after being subjected to surface treatment, and the surface treatment method comprises the following steps:

(1) preparation of an aluminate coupling agent solution: mixing an aluminate coupling agent with absolute ethyl alcohol to form an aluminate coupling agent solution, wherein the mass concentration of the aluminate coupling agent in the aluminate coupling agent solution is 30-40%;

(2) preparation of silane coupling agent solution: mixing a silane coupling agent with absolute ethyl alcohol to form a silane coupling agent solution, wherein the mass concentration of the silane coupling agent in the silane coupling agent solution is 30-40%;

(3) firstly, 100 parts by mass of light calcium carbonate powder is added into an aluminate coupling agent solution and mixed for 60-90min, wherein the use amount of the aluminate coupling agent is 0.3-0.5% of the mass of the light calcium carbonate powder; then adding silane coupling agent solution, wherein the dosage of the silane coupling agent is 0.1-0.3% of the weight of the light calcium carbonate powder, mixing for 40-60min, and finally drying in vacuum to obtain the pretreated light calcium carbonate powder.

9. The method of claim 7, wherein the method comprises the steps of: the silicon micropowder is modified silicon micropowder, and the preparation method of the modified silicon micropowder comprises the following steps:

loading alumina balls into a ball mill; adding 4-16 meshes of silicon micropowder and hexamethyldisilazane into a ball mill simultaneously, grinding the mixture for 1-2h at the rotating speed of 30-50 rpm to discharge the material, sieving the material, and obtaining the modified silicon micropowder by using a 325-mesh sieve.

10. The method of claim 9, wherein the method comprises the steps of: in step S1-1, the preparation method of the glue solution is as follows:

A. preparation of mixture A: adding epoxy resin emulsion and phenolic resin emulsion into a reaction kettle, and stirring for 15-20min at the temperature of 30-35 ℃ to obtain a mixture A;

B. preparation of mixture B: mixing the fillers, drying, adding the dried fillers into the mixture A, and mixing and stirring at the speed of 20-30r/min for 10-15min to obtain a mixture B;

C. adding tung oil anhydride into the mixture B, and stirring at the speed of 20-25r/min to obtain a glue solution.

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