技术领域technical field
本发明涉及一种三D打印装置，尤其涉及一种喷射头能振动的三D打印装置。The invention relates to a 3D printing device, in particular to a 3D printing device with a vibrating ejection head.
背景技术Background technique
三D打印加工成型的基本原理是：先建立零件三维计算机模型，然后对其进行分层切片，获取每一层信息数据，在此基础上进行逐层叠加制造，此制造方法由于其自身的诸多优势而被各行各业广泛使用。The basic principle of 3D printing processing and forming is: first establish a three-dimensional computer model of the part, then slice it layer by layer, obtain the information data of each layer, and carry out layer-by-layer superposition manufacturing on this basis. This manufacturing method has many advantages due to its own It is widely used in various industries due to its advantages.
材料挤压式3D打印装置和气动粉粒流式3D打印装置是常见的二种3D成型装备；其中，材料挤压式属于熔融沉积形成型方法，气动粉粒流式属于定向能量沉积式增材制造方法，但不管是熔融沉积式还是定向能量沉积式，都有其不足，那就是3D打印件结构组织较疏松，产品致密性不强，机械性能差；针对此类问题，有部分研究者将振动引入到此类三D打印成型的定向能量沉积式加工中，施振方式包括采用基板振动以及施粉机构振动方式，此二种方式尽管可部分克服原来存在的一些问题，但结构相对复杂，而材料挤压式3D打印装备中，则还未见通过施加振动来改善成型件质量的专利。Material extrusion 3D printing device and pneumatic powder flow 3D printing device are two common 3D molding equipment; among them, the material extrusion type belongs to the fusion deposition forming method, and the pneumatic powder flow type belongs to the directed energy deposition type additive However, whether it is fused deposition or directed energy deposition, there are disadvantages, that is, the structure of 3D printed parts is loose, the product is not compact, and the mechanical properties are poor; in view of such problems, some researchers will Vibration is introduced into the directional energy deposition processing of this type of 3D printing. The vibration method includes the vibration of the substrate and the vibration of the powder application mechanism. Although these two methods can partially overcome some of the original problems, the structure is relatively complicated. In the material extrusion 3D printing equipment, there is no patent to improve the quality of molded parts by applying vibration.
发明内容Contents of the invention
本发明的目的是克服现有技术的不足而提供一种喷射头能振动的三D打印装置，其结构简单，成型制品的密度变大，结晶度提高，拉伸和冲击强度提高，生产的产品质量好。The purpose of the present invention is to overcome the deficiencies of the prior art and provide a 3D printing device with a vibrating jet head. Good quality.
为了达到上述目的，本发明的第一种技术方案是这样实现的，其是一种喷射头能振动的三D打印装置，包括控制系统、供粉系统、电机驱动系统、螺杆类挤压系统、第一喷射头、工作台及工作台移动系统；其中所述第一喷射头连接在螺杆类挤压系统的下端并与其出料口联通，所述电机驱动系统带动螺杆旋转从而完成对物料的螺旋、挤压和熔融并向第一喷射头输运物料，所述电机驱动系统、螺杆类挤压系统及第一喷射头连为一体并可在工作台上方做X轴及Y轴方向的水平运动，所述工作台移动系统带动工作台做上下垂直运动，所述控制系统分别控制供粉系统、电机驱动系统、螺杆类挤压系统、第一喷射头及工作台移动系统从而完成3D打印；其特征在于在第一喷射头内安装有超声振动装置，当物料通过第一喷射头出料时，所述振动装置会对物料施加超声振动。In order to achieve the above object, the first technical solution of the present invention is achieved in this way, which is a 3D printing device with a vibrating spray head, including a control system, a powder supply system, a motor drive system, a screw extrusion system, The first spray head, workbench and workbench moving system; wherein the first spray head is connected to the lower end of the screw extrusion system and communicated with its discharge port, and the motor drive system drives the screw to rotate to complete the spiral of the material , Extrude and melt and transport materials to the first injection head, the motor drive system, screw extrusion system and the first injection head are integrated and can move horizontally in the X-axis and Y-axis directions above the workbench , the workbench moving system drives the workbench to move vertically up and down, and the control system respectively controls the powder supply system, the motor drive system, the screw extruding system, the first spray head and the workbench moving system to complete 3D printing; It is characterized in that an ultrasonic vibration device is installed in the first spray head, and when the material is discharged through the first spray head, the vibration device will apply ultrasonic vibration to the material.
在本技术方案中，所述第一喷射头有四种结构，其中：In this technical solution, the first spray head has four structures, wherein:
第一种结构为：所述第一喷射头包括上壳体、第一电热器、超声振动器、下壳体、垂直振动头、第一耐热耐压垫圈、异形法兰盘及第二耐热耐压垫圈；上壳体的入料口为喷射头的入料口，下壳体的出料口为喷射头的出料口，上壳体及下壳体分别固定在异形法兰盘的上下两侧，在异形法兰盘上设有联通上壳体与下壳体的通孔，所述超声振动器设在异形法兰盘的下方，所述垂直振动头设在超声振动器上，通电后超声振动器垂直振动头作垂直方向振动，带动所述第一电热器套设在上壳体及下壳体外。The first structure is: the first spray head includes an upper casing, a first electric heater, an ultrasonic vibrator, a lower casing, a vertical vibrating head, a first heat-resistant and pressure-resistant gasket, a special-shaped flange and a second resistant Heat-resistant pressure gasket; the inlet of the upper casing is the inlet of the injection head, the outlet of the lower casing is the outlet of the injection head, and the upper casing and the lower casing are respectively fixed on the special-shaped flange. On the upper and lower sides, the special-shaped flange is provided with a through hole connecting the upper shell and the lower shell, the ultrasonic vibrator is set under the special-shaped flange, and the vertical vibrating head is set on the ultrasonic vibrator. After electrification, the vertical vibrating head of the ultrasonic vibrator vibrates in the vertical direction, driving the first electric heater to be sleeved outside the upper shell and the lower shell.
第二种结构为：所述第一喷射头包括第一水平超声振动器、第一水平振动头、第一耐热耐压垫圈、第一喷嘴及第一电热器；其中所述第一水平超声振动器设在第一喷嘴上，所述第一水平振动头设在第一喷嘴内，第一水平振动头由第一水平超声振动器带动，在第一水平振动头上设有垂直的第一通孔以便第一喷嘴内的物料能通过，所述第一电热器套设在第一喷嘴外，所述第一喷嘴的入料口为第一喷射头的入料口，第一喷嘴的出料口为第一喷射头的出料口。The second structure is: the first spray head includes a first horizontal ultrasonic vibrator, a first horizontal vibrating head, a first heat-resistant and pressure-resistant gasket, a first nozzle, and a first electric heater; wherein the first horizontal ultrasonic The vibrator is set on the first nozzle, the first horizontal vibrating head is set in the first nozzle, the first horizontal vibrating head is driven by the first horizontal ultrasonic vibrator, and the first horizontal vibrating head is provided with a vertical first Through holes so that the material in the first nozzle can pass through, the first electric heater is sleeved outside the first nozzle, the inlet of the first nozzle is the inlet of the first spray head, and the outlet of the first nozzle The feed port is the discharge port of the first spray head.
第三种结构为：所述第一喷射头包括第一喷嘴、第一电热器、第一套管体、第一高强度金属管及第一环柱状压电材料；其中所述第一套管体的入料口为第一喷射头的入料口，所述第一喷嘴设在第一套管体的下方并连通，第一喷嘴通过上部的外螺纹与套管体的下部的内螺纹联结在一起，第一喷嘴的出料口为第一喷射头的出料口，所述第一高强度金属管设在第一套管体及第一喷嘴内，所述第一环柱状压电材料设在第一高强度金属管内,第一环柱状压电材料通电后产生径向高频振动，所述第一电热器套设在第一套管体及第一喷嘴外。The third structure is: the first injection head includes a first nozzle, a first electric heater, a first sleeve body, a first high-strength metal tube, and a first ring-shaped piezoelectric material; wherein the first sleeve The feed port of the body is the feed port of the first injection head, and the first nozzle is arranged under the first sleeve body and communicated with it, and the first nozzle is connected with the internal thread of the lower part of the sleeve body through the external thread on the upper part Together, the discharge port of the first nozzle is the discharge port of the first spray head, the first high-strength metal tube is arranged in the first sleeve body and the first nozzle, and the first annular columnar piezoelectric material Installed in the first high-strength metal tube, the first annular columnar piezoelectric material generates radial high-frequency vibration after electrification, and the first electric heater is sleeved outside the first sleeve body and the first nozzle.
第四种结构为：所述第一喷射头包括第一喷嘴、第一电热器、第一套管体、第一高强度金属管及第一环锥状压电材料；其中所述第一套管体的入料口为第一喷射头的入料口，所述第一喷嘴设在套管体的下方并连通，第一喷嘴的出料口为第一喷射头的出料口，所述第一高强度金属管设在第一套管体及第一喷嘴内，第一喷嘴通过上部的外螺纹与套管体下部的内螺纹联结在一起，所述第一环锥状压电材料设在第一高强度金属管内, 第一环锥状压电材料通电后产生径向高频振动，所述第一电热器套设在第一套管体及第一喷嘴外。The fourth structure is: the first injection head includes a first nozzle, a first electric heater, a first sleeve body, a first high-strength metal tube and a first ring-shaped piezoelectric material; wherein the first set The material inlet of the pipe body is the material inlet of the first spray head, and the first nozzle is arranged under the sleeve body and communicated with it, and the discharge port of the first nozzle is the discharge port of the first spray head, and the The first high-strength metal pipe is arranged in the first sleeve body and the first nozzle, the first nozzle is connected with the inner thread at the lower part of the sleeve body through the external thread on the upper part, and the first ring-shaped piezoelectric material is provided In the first high-strength metal tube, the first annular conical piezoelectric material generates radial high-frequency vibration after electrification, and the first electric heater is sleeved outside the first sleeve body and the first nozzle.
为了达到上述目的，本发明的第二种技术方案是这样实现的，其是一种喷射头能振动的三D打印装置，包括控制系统、工作台、工作台移动系统、第二喷射头、送丝机构、导向套及绕丝料的供丝盘；其中所述供丝盘上的丝料穿过导向套，所述供丝盘上的送丝电机带动穿过导向套的丝料进入送丝机构，所述第二喷射头连接在送丝机构的下端并与其出料口联通，所述送丝机构与第二喷射头连为一体并可在工作台上方做X轴及Y轴方向的水平运动，所述工作台移动系统带动工作台做上下垂直运动，所述控制系统分别控制工作台移动系统、第二喷射头、送丝机构及供丝盘的工作从而完成3D打印；其特征在于在第二喷射头内安装有超声振动装置，当物料通过第二喷射头出料时，所述振动装置会对物料施加超声振动。在本技术方案中，所述第二喷射头有三种结构，其中：In order to achieve the above object, the second technical solution of the present invention is realized in this way. It is a 3D printing device with a vibrating spray head, including a control system, a workbench, a workbench moving system, a second spray head, a feeding Wire mechanism, guide sleeve, and wire feeding reel around the wire material; wherein the wire material on the wire feeding reel passes through the guide sleeve, and the wire feeding motor on the wire feeding reel drives the wire material passing through the guide sleeve into the wire feeding Mechanism, the second injection head is connected to the lower end of the wire feeding mechanism and communicates with its outlet, the wire feeding mechanism is connected with the second injection head and can be horizontally aligned in the X-axis and Y-axis directions above the workbench Movement, the workbench moving system drives the workbench to move up and down vertically, and the control system controls the work of the workbench moving system, the second spray head, the wire feeding mechanism and the wire feeding disc respectively to complete 3D printing; it is characterized in that An ultrasonic vibration device is installed in the second spray head, and when the material is discharged through the second spray head, the vibration device will apply ultrasonic vibration to the material. In this technical solution, the second spray head has three structures, wherein:
在本技术方案中，所述第二喷射头有三种结构，其中：In this technical solution, the second spray head has three structures, wherein:
第一种结构为：第二喷射头包括第二水平超声振动器、第二水平振动头、耐热耐压垫圈、第二喷嘴及第二电热器；其中所述第二水平超声振动器设在第二喷嘴上，所述第二水平振动头设在第二喷嘴内，第二水平振动头由第二水平超声振动器带动，在第二水平振动头上设有垂直的通孔以便第二喷嘴内的物料能通过，所述第二电热器套设在第二喷嘴外，所述第二喷嘴的入料口为第二喷射头的入料口，第二喷嘴的出料口为第二喷射头的出料口。The first structure is: the second injection head includes a second horizontal ultrasonic vibrator, a second horizontal vibrating head, a heat-resistant and pressure-resistant gasket, a second nozzle and a second electric heater; wherein the second horizontal ultrasonic vibrator is located at On the second nozzle, the second horizontal vibrating head is arranged in the second nozzle, the second horizontal vibrating head is driven by the second horizontal ultrasonic vibrator, and the second horizontal vibrating head is provided with a vertical through hole so that the second nozzle The material inside can pass through, the second electric heater is sleeved outside the second nozzle, the material inlet of the second nozzle is the material inlet of the second injection head, and the material outlet of the second nozzle is the second injection nozzle. head outlet.
第二种结构为：所述第二喷射头包括第二喷嘴、第二电热器、第二套管体、第二高强度金属管及第二环柱状压电材料；其中所述第二套管体的入料口为第二喷射头的入料口，所述第二喷嘴设在第二套管体的下方并连通，所述第二喷嘴通过上部的外螺纹与第二套管体下部的内螺纹联结在一起，第二喷嘴的出料口为第二喷射头的出料口，所述第二高强度金属管设在第二套管体及第二喷嘴内，所述第二环柱状压电材料设在第二高强度金属管内, 第二环柱状压电材料通电后产生径向高频振动，所述第二电热器套设在第二套管体及第二喷嘴外。The second structure is: the second injection head includes a second nozzle, a second electric heater, a second sleeve body, a second high-strength metal tube, and a second ring-shaped piezoelectric material; wherein the second sleeve The material inlet of the body is the material inlet of the second injection head, and the second nozzle is arranged under the second sleeve body and communicated with it, and the second nozzle is connected with the lower part of the second sleeve body through the external thread on the upper part. The internal threads are connected together, the discharge port of the second nozzle is the discharge port of the second spray head, the second high-strength metal pipe is arranged in the second sleeve body and the second nozzle, and the second ring column The piezoelectric material is arranged in the second high-strength metal tube, and the second ring-shaped piezoelectric material generates radial high-frequency vibration after being energized. The second electric heater is sleeved outside the second sleeve body and the second nozzle.
第三种结构为：所述第二喷射头包括第二喷嘴、第二电热器、第二套管体、第二高强度金属管及第二环锥状压电材料；其中所述第二套管体的入料口为第二喷射头的入料口，所述第二喷嘴设在第二套管体的下方并连通，所述第二喷嘴通过上部的外螺纹与第二套管体下部的内螺纹联结在一起，第二喷嘴的出料口为第二喷射头的出料口，所述第二高强度金属管设在第二套管体及第二喷嘴内，所述第二环锥状压电材料设在第二高强度金属管内, 第二环锥状压电材料通电后产生径向高频振动，所述第二电热器套设在第二套管体及第二喷嘴外。The third structure is: the second injection head includes a second nozzle, a second electric heater, a second sleeve body, a second high-strength metal tube and a second ring-shaped piezoelectric material; wherein the second set The material inlet of the pipe body is the material inlet of the second injection head, and the second nozzle is arranged under the second casing body and communicated with it, and the second nozzle is connected to the lower part of the second casing body through the external thread on the upper part. The internal threads of the second nozzle are connected together, the discharge port of the second nozzle is the discharge port of the second spray head, the second high-strength metal pipe is arranged in the second casing body and the second nozzle, and the second ring The conical piezoelectric material is set in the second high-strength metal tube, and the second annular conical piezoelectric material generates radial high-frequency vibration after being energized, and the second electric heater is sleeved on the second sleeve body and the second nozzle .
本发明与现有技术相比，具有如下的优点：Compared with the prior art, the present invention has the following advantages:
1、振动有利于强化物料熔融、传质、传热及均化，使成型制品的密度变大，结晶度提高，拉伸和冲击强度提高，制品内在品质和外观质量都有很大改善和提高；1. Vibration is conducive to strengthening the melting, mass transfer, heat transfer and homogenization of materials, so that the density of molded products increases, the degree of crystallinity increases, the tensile and impact strengths increase, and the internal and appearance quality of products are greatly improved and improved. ;
2、振动能有利于物料中混入气体的逸出，不会出现气孔、裂纹等缺陷，经过振动，使得物料混合、交融充分，物料熔体更加密实，内部组织致密，机械力学强度更高，尤其是多重物料混合加工时，此优点更为突出；2. The vibration energy is conducive to the escape of the gas mixed in the material, and there will be no defects such as pores and cracks. After vibration, the material is fully mixed and blended, the material melt is more dense, the internal structure is dense, and the mechanical strength is higher. Especially This advantage is more prominent when multiple materials are mixed and processed;
3、适应性强，其结构简单，适用于丝式挤压、螺旋式挤压、气粉式等多种三D打印装置的喷嘴。3. Strong adaptability and simple structure, suitable for nozzles of various 3D printing devices such as wire extrusion, screw extrusion, and air powder type.
附图说明Description of drawings
图1 是本发明实施案例一的结构示意图；Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
图2是本发明实施例一的第一喷射头的第一种结构示意图；2 is a schematic diagram of the first structure of the first spray head according to Embodiment 1 of the present invention;
图3是本发明实施例一的第一喷射头的第二种结构示意图；Fig. 3 is a second structural schematic diagram of the first spray head according to Embodiment 1 of the present invention;
图4是图3中的水平振动头的结构示意图；Fig. 4 is a schematic structural view of the horizontal vibrating head in Fig. 3;
图5是图4的A－A剖视图；Fig. 5 is A-A sectional view of Fig. 4;
图6是图5的B－B剖视图；Fig. 6 is a sectional view of BB of Fig. 5;
图7是本发明实施例一的第一喷射头的第三种结构示意图；7 is a schematic diagram of a third structure of the first spray head according to Embodiment 1 of the present invention;
图8是本发明实施例一的第一喷射头的第四种结构示意图；Fig. 8 is a schematic diagram of the fourth structure of the first spray head according to Embodiment 1 of the present invention;
图9 是本发明实施案例二的结构示意图；Fig. 9 is a schematic structural diagram of the second embodiment of the present invention;
图10是本发明实施例二的第二喷射头的第一种结构示意图；Fig. 10 is a schematic diagram of the first structure of the second spray head according to the second embodiment of the present invention;
图11是图10中的水平振动头的结构示意图；Fig. 11 is a schematic structural view of the horizontal vibrating head in Fig. 10;
图12是图11的C－C剖视图；Fig. 12 is a CC sectional view of Fig. 11;
图13是图11的D－D剖视图；Fig. 13 is a DD sectional view of Fig. 11;
图14是本发明实施例二的第二喷射头的第二种结构示意图；Fig. 14 is a second structural schematic diagram of the second spray head according to the second embodiment of the present invention;
图15是本发明实施例二的第二喷射头的第三种结构示意图。Fig. 15 is a schematic diagram of the third structure of the second spray head according to the second embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施方式作进一步说明。在此需要说明的是，对于这些实施方式的说明用于帮助理解本发明，但并不构成对本发明的限定。此外，下面所描述的本发明各个实施方式中所涉及到的技术特征只要彼此之间未构成冲突就可以互相结合。The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.
在本发明的描述中，术语“第一”、“第二”及“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, the terms "first", "second" and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.
实施例一Embodiment one
如图1所示，其是一种喷射头能振动的三D打印装置，包括控制系统1、供粉系统2、电机驱动系统3、螺杆类挤压系统4、第一喷射头5、工作台7及工作台移动系统8；其中所述第一喷射头5连接在螺杆类挤压系统4的下端并与其出料口联通，所述电机驱动系统3带动螺杆旋转从而完成对物料的螺旋、挤压和熔融并向第一喷射头5输运物料，所述电机驱动系统3、螺杆类挤压系统4及第一喷射头5连为一体并可在工作台7上方做X轴及Y轴方向的水平运动，所述工作台移动系统8带动工作台7做上下垂直运动，所述控制系统1分别控制供粉系统2、电机驱动系统3、螺杆类挤压系统4、第一喷射头5及工作台移动系统8从而完成3D打印；在第一喷射头5内安装有超声振动装置，当物料通过第一喷射头5出料时，所述振动装置会对物料施加超声振动。As shown in Figure 1, it is a 3D printing device with a vibrating spray head, including a control system 1, a powder supply system 2, a motor drive system 3, a screw extrusion system 4, a first spray head 5, and a workbench 7 and a workbench moving system 8; wherein the first injection head 5 is connected to the lower end of the screw extrusion system 4 and communicated with its discharge port, and the motor drive system 3 drives the screw to rotate so as to complete the spiral and extrusion of materials. Pressing and melting and transporting materials to the first injection head 5, the motor drive system 3, the screw extrusion system 4 and the first injection head 5 are integrated and can be arranged in the X-axis and Y-axis directions above the workbench 7 The horizontal movement of the workbench, the workbench moving system 8 drives the workbench 7 to move up and down vertically, and the control system 1 controls the powder supply system 2, the motor drive system 3, the screw extrusion system 4, the first spray head 5 and the The workbench moving system 8 completes 3D printing; an ultrasonic vibration device is installed in the first spray head 5 , and when the material is discharged through the first spray head 5 , the vibration device will apply ultrasonic vibration to the material.
工作时，工作时，先建立零件三维计算机模型，然后对其进行分层切片，获取每一层信息数据，水平运动机构（均未画出）根据每一层截面的轮廓信息，带动螺杆类挤压系统3以及带振动喷射头5沿X轴、Y轴作水平运动，螺杆类挤压系统3中的融料经带振动喷射头5在上工作台7上挤出沉积一层融料，快速冷却固化后形成工件，然后由工作台移动系统8带动工作台7向下移动一个分层厚度，再进行下一层截面的挤出沉积，以此方式进行逐层叠加制造，就可得到完整的三D成型件；由于带动螺杆类挤压系统3以及带振动喷射头5运动的水平运动机构为现有技术且非本发明专利重点，故在本专利中未有画出；When working, first establish a three-dimensional computer model of the part, and then slice it layer by layer to obtain the information data of each layer. The horizontal movement mechanism (not shown) drives the screw to extrude The pressing system 3 and the vibrating spray head 5 move horizontally along the X-axis and the Y-axis, and the molten material in the screw extrusion system 3 is extruded and deposited on the upper workbench 7 through the vibrating spray head 5, quickly After cooling and solidification, the workpiece is formed, and then the worktable 7 is driven by the worktable moving system 8 to move down a layer thickness, and then the extrusion deposition of the next layer of cross-section is carried out. 3D molded parts; since the horizontal motion mechanism that drives the screw extrusion system 3 and the vibrating injection head 5 is the prior art and not the key point of the patent of the present invention, it is not drawn in this patent;
在本实施例中，如图2所示，所述第一喷射头5的第一种技术方案为，其包括上壳体51、第一电热器52、超声振动器53、下壳体54、垂直振动头55、第一耐热耐压垫圈56、异形法兰盘57及第二耐热耐压垫圈58；上壳体51的入料口为喷射头5的入料口，下壳体54的出料口为喷射头5的出料口，上壳体51及下壳体54分别固定在异形法兰盘57的上下两侧，在异形法兰盘57上设有联通上壳体51与下壳体54的通孔571，所述超声振动器53设在异形法兰盘57的下方，所述垂直振动头55设在超声振动器53上，通电后超声振动器53带动垂直振动头55作垂直方向振动，所述第一电热器52套设在上壳体51及下壳体54外。In this embodiment, as shown in Figure 2, the first technical solution of the first spray head 5 is that it includes an upper casing 51, a first electric heater 52, an ultrasonic vibrator 53, a lower casing 54, Vertical vibrating head 55, first heat-resistant and pressure-resistant gasket 56, special-shaped flange 57 and second heat-resistant and pressure-resistant gasket 58; The discharge port of the nozzle is the discharge port of the spray head 5, the upper housing 51 and the lower housing 54 are respectively fixed on the upper and lower sides of the special-shaped flange 57, and the special-shaped flange 57 is provided with the upper housing 51 and the upper housing 51 of Unicom. The through hole 571 of the lower housing 54, the ultrasonic vibrator 53 is arranged under the special-shaped flange 57, the vertical vibrating head 55 is arranged on the ultrasonic vibrator 53, and the ultrasonic vibrator 53 drives the vertical vibrating head 55 after power-on Vibrating in the vertical direction, the first electric heater 52 is sheathed outside the upper casing 51 and the lower casing 54 .
如图3至图6所示，在本实施例中，所述第一喷射头5的第二种技术方案为，其包括第一水平超声振动器501、第一水平振动头502、第一耐热耐压垫圈503、第一喷嘴504及第一电热器52；其中所述第一水平超声振动器501设在第一喷嘴504上，所述第一水平振动头502设在第一喷嘴504内，第一水平振动头502由第一水平超声振动器501带动，在第一水平振动头502上设有垂直的第一通孔5021以便第一喷嘴504内的物料能通过，所述第一电热器52套设在第一喷嘴504外，所述第一喷嘴504的入料口为第一喷射头5的入料口，第一喷嘴504的出料口为第一喷射头5的出料口。As shown in Figures 3 to 6, in this embodiment, the second technical solution of the first injection head 5 is that it includes a first horizontal ultrasonic vibrator 501, a first horizontal vibrating head 502, a first resistant Heat and pressure gasket 503, first nozzle 504 and first electric heater 52; wherein said first horizontal ultrasonic vibrator 501 is arranged on first nozzle 504, and said first horizontal vibration head 502 is arranged in first nozzle 504 , the first horizontal vibrating head 502 is driven by the first horizontal ultrasonic vibrator 501, and a vertical first through hole 5021 is provided on the first horizontal vibrating head 502 so that the material in the first nozzle 504 can pass through. The device 52 is sleeved outside the first nozzle 504, the feed port of the first nozzle 504 is the feed port of the first spray head 5, and the discharge port of the first nozzle 504 is the discharge port of the first spray head 5 .
如图7所示，在本实施例中，所述第一喷射头5的第三种技术方案为，其包括第一喷嘴504、第一电热器52、第一套管体506、第一高强度金属管507及第一环柱状压电材料508；其中所述第一套管体506的入料口为第一喷射头5的入料口，所述第一喷嘴504设在第一套管体506的下方并连通，第一喷嘴504通过上部的外螺纹与套管体506下部的内螺纹联结在一起，第一喷嘴504的出料口为第一喷射头5的出料口，所述第一高强度金属管507设在第一套管体506及第一喷嘴504内，所述第一环柱状压电材料508设在第一高强度金属管507内,第一环柱状压电材料508通电后产生径向高频振动，所述第一电热器52套设在第一套管体506及第一喷嘴504外。As shown in Figure 7, in this embodiment, the third technical solution of the first spray head 5 is that it includes a first nozzle 504, a first electric heater 52, a first sleeve body 506, a first height Intensity metal tube 507 and the first annular columnar piezoelectric material 508; wherein the feed inlet of the first sleeve body 506 is the feed inlet of the first spray head 5, and the first nozzle 504 is arranged on the first sleeve body 506 and connected, the first nozzle 504 is connected with the inner thread of the lower part of the sleeve body 506 through the external thread on the upper part, and the discharge port of the first nozzle 504 is the discharge port of the first spray head 5. The first high-strength metal tube 507 is set in the first sleeve body 506 and the first nozzle 504, the first ring-shaped piezoelectric material 508 is set in the first high-strength metal tube 507, and the first ring-shaped piezoelectric material Radial high-frequency vibration is generated after 508 is energized, and the first electric heater 52 is sheathed outside the first sleeve body 506 and the first nozzle 504 .
如图8所示，在本实施例中，所述第一喷射头5的第四种技术方案为，其包括第一喷嘴504、第一电热器52、第一套管体506、第一高强度金属管507及第一环锥状压电材料509；其中所述第一套管体506的入料口为第一喷射头5的入料口，所述第一喷嘴504设在套管体506的下方并连通，第一喷嘴504的出料口为第一喷射头5的出料口，所述第一高强度金属管507设在第一套管体506及第一喷嘴504内，第一喷嘴504通过上部的外螺纹与套管体506的下部的内螺纹联结在一起，所述第一环锥状压电材料509设在第一高强度金属管507内, 第一环锥状压电材料509通电后产生径向高频振动，所述第一电热器52套设在第一套管体506及第一喷嘴504外。As shown in Figure 8, in this embodiment, the fourth technical solution of the first spray head 5 is that it includes a first nozzle 504, a first electric heater 52, a first sleeve body 506, a first height Intensity metal pipe 507 and the first ring-shaped piezoelectric material 509; wherein the feed inlet of the first sleeve body 506 is the feed inlet of the first spray head 5, and the first nozzle 504 is located on the sleeve body 506 and connected, the outlet of the first nozzle 504 is the outlet of the first spray head 5, the first high-strength metal tube 507 is set in the first sleeve body 506 and the first nozzle 504, the first A nozzle 504 is connected with the inner thread of the lower part of the sleeve body 506 through the external thread on the upper part. The first ring-shaped piezoelectric material 509 is arranged in the first high-strength metal tube 507. The first ring-shaped piezoelectric material 509 is The electrical material 509 generates radial high-frequency vibration after electrification, and the first electric heater 52 is sheathed outside the first sleeve body 506 and the first nozzle 504 .
实施例二Embodiment two
如图9所示，其是一种喷射头能振动的三D打印装置，包括控制系统1、工作台7、工作台移动系统8、第二喷射头9、送丝机构10、导向套12及绕丝料的供丝盘13；其中所述供丝盘13上的丝料11穿过导向套12，所述供丝盘13上的送丝电机带动穿过导向套12的丝料11进入送丝机构10，所述第二喷射头9连接在送丝机构10的下端并与其出料口联通，所述送丝机构10与第二喷射头9连为一体并可在工作台7上方做X轴及Y轴方向的水平运动，所述工作台移动系统8带动工作台7做上下垂直运动，所述控制系统1分别控制工作台移动系统8、第二喷射头9、送丝机构10及供丝盘13的工作从而完成3D打印；在第二喷射头9内安装有超声振动装置，当物料通过第二喷射头9出料时，所述振动装置会对物料施加超声振动。As shown in Figure 9, it is a 3D printing device with a vibrating spray head, including a control system 1, a workbench 7, a workbench moving system 8, a second spray head 9, a wire feeding mechanism 10, a guide sleeve 12 and A wire feeding reel 13 around the wire material; wherein the wire material 11 on the wire feeding reel 13 passes through the guide sleeve 12, and the wire feeding motor on the wire feeding reel 13 drives the wire material 11 passing through the guide sleeve 12 into the feeder A wire mechanism 10, the second spray head 9 is connected to the lower end of the wire feed mechanism 10 and communicates with its discharge port, the wire feed mechanism 10 is connected with the second spray head 9 and can be X-rayed on the top of the workbench 7 axis and Y-axis direction, the table moving system 8 drives the table 7 to move vertically up and down, and the control system 1 controls the table moving system 8, the second spray head 9, the wire feeding mechanism 10 and the feeding mechanism 10 respectively. The work of the wire disc 13 completes 3D printing; an ultrasonic vibration device is installed in the second spray head 9, and when the material is discharged through the second spray head 9, the vibration device will apply ultrasonic vibration to the material.
工作时，先建立零件三维计算机模型，然后对其进行分层切片，获取每一层信息数据，水平运动机构（均未画出）根据每一层截面的轮廓信息，带动送丝机构10以及带振动喷射头9沿X轴、Y轴作水平运动，带振动喷射头9中的融料在上工作台7上挤出沉积一层融料，快速冷却固化后形成工件，然后由工作台移动系统8带动工作台7向下移动一个分层厚度，再进行下一层截面的挤出沉积，以此方式进行逐层叠加制造，就可得到完整的三D成型件；由于带动送丝机构10以及带振动喷射头9运动的水平运动机构为现有技术且非本发明专利重点，故在本专利中未有画出；When working, first establish a three-dimensional computer model of the part, and then slice it layer by layer to obtain information data of each layer, and the horizontal movement mechanism (not shown) drives the wire feeding mechanism 10 and the The vibrating spray head 9 moves horizontally along the X-axis and Y-axis, and the molten material in the vibrating spraying head 9 is extruded and deposited on the upper worktable 7 to form a workpiece after rapid cooling and solidification, and then the worktable moves the system 8 Drive the workbench 7 to move down a layer thickness, and then carry out the extrusion deposition of the next layer of section, in this way, the layer-by-layer superimposed manufacturing can be carried out, and a complete 3D molded part can be obtained; due to the driving of the wire feeding mechanism 10 and The horizontal movement mechanism with vibration spray head 9 movement is the prior art and is not the focus of the patent of the present invention, so it is not drawn in this patent;
如图10至图13所示，在本实施例中，所述第二喷射头9的第一种技术方案为，其包括第二水平超声振动器91、第二水平振动头92、耐热耐压垫圈93、第二喷嘴94及第二电热器95；其中所述第二水平超声振动器91设在第二喷嘴94上，所述第二水平振动头92设在第二喷嘴94内，第二水平振动头92由第二水平超声振动器91带动作水平方向振动，在第二水平振动头92上设有垂直的通孔921以便第二喷嘴94内的物料能通过，所述第二电热器95套设在第二喷嘴94外，所述第二喷嘴94的入料口为第二喷射头9的入料口，第二喷嘴94的出料口为第二喷射头9的出料口。As shown in Figures 10 to 13, in this embodiment, the first technical solution of the second injection head 9 is that it includes a second horizontal ultrasonic vibrator 91, a second horizontal vibrating head 92, a heat-resistant Pressure washer 93, second nozzle 94 and second electric heater 95; wherein said second horizontal ultrasonic vibrator 91 is arranged on the second nozzle 94, and said second horizontal vibrating head 92 is arranged in the second nozzle 94, the second The second horizontal vibrating head 92 is driven by the second horizontal ultrasonic vibrator 91 to vibrate in the horizontal direction, and the second horizontal vibrating head 92 is provided with a vertical through hole 921 so that the material in the second nozzle 94 can pass through. The device 95 is sleeved outside the second nozzle 94, the material inlet of the second nozzle 94 is the material inlet of the second spray head 9, and the discharge port of the second nozzle 94 is the material outlet of the second spray head 9 .
如图14所示，在本实施例中，所述第二喷射头9的第二种技术方案为，其包括第二喷嘴94、第二电热器95、第二套管体96、第二高强度金属管97及第二环柱状压电材料98；其中所述第二套管体96的入料口为第二喷射头9的入料口，所述第二喷嘴94设在第二套管体96的下方并连通，所述第二喷嘴94通过上部的外螺纹与第二套管体96下部的内螺纹联结在一起，第二喷嘴94的出料口为第二喷射头9的出料口，所述第二高强度金属管97设在第二套管体96及第二喷嘴94内，所述第二环柱状压电材料98设在第二高强度金属管97内, 第二环柱状压电材料98通电后产生径向高频振动，所述第二电热器95套设在第二套管体96及第二喷嘴94外。 As shown in Figure 14, in this embodiment, the second technical solution of the second injection head 9 is that it includes a second nozzle 94, a second electric heater 95, a second sleeve body 96, a second high Intensity metal tube 97 and second annular columnar piezoelectric material 98; wherein the feed port of the second sleeve body 96 is the feed port of the second spray head 9, and the second nozzle 94 is located on the second sleeve body 96 and connected, the second nozzle 94 is connected with the inner thread of the second casing body 96 through the upper external thread, and the discharge port of the second nozzle 94 is the discharge of the second spray head 9. mouth, the second high-strength metal tube 97 is set in the second sleeve body 96 and the second nozzle 94, the second ring columnar piezoelectric material 98 is set in the second high-strength metal tube 97, the second ring The columnar piezoelectric material 98 generates radial high-frequency vibration after electrification, and the second electric heater 95 is sleeved outside the second sleeve body 96 and the second nozzle 94 .
如图15所示，在本实施例中，所述第二喷射头9的第二种技术方案为，其包括第二喷嘴94、第二电热器95、第二套管体96、第二高强度金属管97及第二环锥状压电材料99；其中所述第二套管体96的入料口为第二喷射头9的入料口，所述第二喷嘴94设在第二套管体96的下方并连通，所述第二喷嘴94通过上部的外螺纹与第二套管体96下部的内螺纹联结在一起，第二喷嘴94的出料口为第二喷射头9的出料口，所述第二高强度金属管97设在第二套管体96及第二喷嘴94内，所述第二环锥状压电材料99设在第二高强度金属管97内, 第二环锥状压电材料99通电后产生径向高频振动，所述第二电热器95套设在第二套管体96及第二喷嘴94外。 As shown in Figure 15, in this embodiment, the second technical solution of the second spray head 9 is that it includes a second nozzle 94, a second electric heater 95, a second sleeve body 96, a second high Intensity metal tube 97 and second ring-shaped piezoelectric material 99; wherein the feed inlet of the second sleeve body 96 is the feed inlet of the second spray head 9, and the second nozzle 94 is located in the second set The bottom of the pipe body 96 is connected, and the second nozzle 94 is connected with the inner thread at the bottom of the second sleeve body 96 through the external thread on the upper part. The discharge port of the second nozzle 94 is the discharge port of the second spray head 9 Material port, the second high-strength metal tube 97 is set in the second sleeve body 96 and the second nozzle 94, the second ring-shaped piezoelectric material 99 is set in the second high-strength metal tube 97, the second The two-ring conical piezoelectric material 99 generates radial high-frequency vibration after electrification, and the second electric heater 95 is sleeved outside the second sleeve body 96 and the second nozzle 94 .
以上结合附图对本发明的实施方式作出详细说明，但本发明不局限于所描述的实施方式。对于本领域的普通技术人员而言，在不脱离本发明的原理和宗旨的情况下对这些实施方式进行多种变化、修改、替换及变形仍落入在本发明的保护范围内。The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and deformations to these implementations without departing from the principle and spirit of the present invention still fall within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870254.8ACN106363903B (en) | 2016-10-06 | 2016-10-06 | The vibratile three D printing equipments of injector head |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870254.8ACN106363903B (en) | 2016-10-06 | 2016-10-06 | The vibratile three D printing equipments of injector head |
| Publication Number | Publication Date |
|---|---|
| CN106363903A CN106363903A (en) | 2017-02-01 |
| CN106363903Btrue CN106363903B (en) | 2018-09-25 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610870254.8AActiveCN106363903B (en) | 2016-10-06 | 2016-10-06 | The vibratile three D printing equipments of injector head |
| Country | Link |
|---|---|
| CN (1) | CN106363903B (en) |
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| CN104802408A (en)* | 2015-05-05 | 2015-07-29 | 西安交通大学 | Self-adaptive filament feeding 3D printer and printing method thereof |
| CN204604924U (en)* | 2015-05-11 | 2015-09-02 | 北京化工大学 | A kind of device for the production of medical tissue engineering rack |
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