CN210550451U - Automatic sand paper replacing device - Google Patents

Abstract

The utility model provides an automatic trade abrasive paper device, including the plummer and locate the dress abrasive paper mechanism on the plummer, a dress abrasive paper is to a polishing head, dress abrasive paper mechanism includes the installed part, installation driving piece and locating part, the installed part is located the tray on the installed part pole including being fixed in the installation pole on the plummer and cover, the installation driving piece is fixed in the plummer, the power take off end and the tray of installation driving piece support and are held, the locating part includes the gag lever post and locates two at least stoppers at gag lever post top, the gag lever post is fixed in the plummer and with installation pole axial parallel arrangement, the circumference that every gag lever post formed is located the circumference of installation pole with the centre of a circle, and the radius of circumference equals the sum of the radius of stopper and polishing head, installation driving piece drive tray holds in the palm the cover and locates the abrasive paper of installation. The utility model provides an automatic trade abrasive paper device includes automatic dress abrasive paper machine and automatic abrasive paper tearing mechanism, realizes adorning abrasive paper and tearing the automation mechanized operation of abrasive paper.

Description

Automatic sand paper replacing device

Technical Field

The utility model relates to an automatic technical field that polishes, especially an automatic trade abrasive paper device.

Background

In the processing of metal or plastic products, after the products are processed by using a cutter, knife grains with different degrees are remained on the surfaces of the products, and the traditional process is that a mechanical arm uses sand paper to polish the surfaces of the products to remove the knife grains. The above method has the following disadvantages: after the manipulator polished the product, need artifically tear sand paper and change, sand paper and the laminating precision of polishing head are not high, and sand paper effective area can't utilize completely, and sand paper is with high costs, polishes efficiently, and the cost of labor is high.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an automatic sandpaper changing device, which can automatically load sandpaper and tear sandpaper, to solve the above problems.

The utility model provides an automatic sand paper replacing device, which comprises a bearing platform and a sand paper loading mechanism arranged on the bearing platform, wherein the automatic sand paper replacing device is used for installing sand paper to a polishing head, the sand paper loading mechanism comprises an installation part, an installation driving part and a limiting part, the installation part comprises an installation rod fixed on the bearing platform and a tray sleeved on the installation rod, the installation driving part is fixed on the bearing platform, the power output end of the installation driving part is supported by the tray, the limiting part comprises a limiting rod and at least two limiting blocks arranged at the top of the limiting rod, the limiting rod is fixed on the bearing platform and is axially parallel to the installation rod, the circle center of each limiting block is positioned on the circumference of the installation rod in the same circle center so as to limit the position of the polishing head, and the radius of the circumference is equal to the sum of the radii of the limiting blocks and the polishing head, the installation driving piece drives the tray support sleeve is located the abrasive paper orientation of installation pole the grinding head removes to accomplish the action of adorning abrasive paper.

Preferably, the plummer includes the loading board and locates a plurality of pillars of loading board bottom, the installation pole vertical fixation in the loading board top, the installation driving piece locate loading board bottom and with pillar fixed connection.

Preferably, the tray bottom is equipped with buffering portion, buffering portion includes buffer disc, elastomer and first sensor, the buffer disc is close to the installation driving piece setting and with the coaxial setting of tray, the power take off end of installation driving piece with the buffer disc supports and holds, the buffer disc with be equipped with between the tray the elastomer, first sensor is located in order to detect on the buffer disc the pressure of elastomer.

Preferably, the at least two limiting blocks and the tray are arranged on the same plane and face the installation rod.

Preferably, the number of the sand paper loading mechanisms is at least two.

Preferably, trade abrasive paper device automatically still includes and tears abrasive paper mechanism, it constructs to tear abrasive paper mechanism be fixed in the plummer, tear abrasive paper mechanism including stab the sand spare and with stab sand spare complex setting element.

Preferably, the sand stabbing piece comprises a fixing plate and a sand stabbing plate arranged on the upper portion of the fixing plate, the thickness of the sand stabbing plate from a fixing end to a free end is gradually reduced, and the free end of the sand stabbing plate is used for stabbing into a gap between the sanding head and the sand paper.

Preferably, the positioning element comprises a base and a positioning driving element fixed on the base, and a power output end of the positioning driving element abuts against the sand paper.

Preferably, a second sensor is fixed on the side surface of the positioning driving piece and used for detecting whether the action of tearing the sandpaper is finished or not.

Preferably, the top of fixed plate is equipped with the sucking disc, the sucking disc supports and holds abrasive paper for judge on the head of polishing whether installation of abrasive paper is qualified.

The utility model provides an automatic trade abrasive paper device adopts automatic dress abrasive paper machine to realize adorning abrasive paper automation mechanized operation. The abrasive paper loading mechanism controls the concentric gluing of the sanding head and the abrasive paper, and the gluing precision of the sanding head and the abrasive paper is improved. Further, trade abrasive paper device automatically still including tearing abrasive paper mechanism, tear abrasive paper mechanism with stabbing the sand board and positioning drive spare, realize tearing abrasive paper automation mechanized operation, accurate quick removal abrasive paper.

Drawings

Fig. 1 is a schematic perspective view of an automatic sandpaper changing device according to an embodiment of the present invention.

Fig. 2 is a schematic diagram illustrating a state of a sandpaper tearing state of the automatic sandpaper changing apparatus shown in fig. 1.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present invention provides an automatic sandpaper replacing device 10, wherein the automatic sandpaper replacing device 10 includes abearing platform 100, a sandpaper loading mechanism 200 and a sandpaper tearing mechanism 300. Thesandpaper loading mechanism 200 is used to load a new piece ofsandpaper 20, and thesandpaper tearing mechanism 300 is used to tear off the used piece ofsandpaper 20. The polishinghead 31 of thepneumatic polishing device 30 needs to be provided with thesand paper 20 to polish a workpiece, which can be a metal piece, a plastic piece and other workpieces needing to be polished. Thepneumatic polishing device 30 is connected to a manipulator (not shown), and the manipulator drives thepneumatic polishing device 30 to move to the abrasivepaper loading mechanism 200, so as to mount theabrasive paper 20 on thepolishing head 31 to polish the workpiece. When the workpiece is polished or thesand paper 20 needs to be replaced, the manipulator drives thepneumatic polishing device 30 to move to the sandpaper tearing mechanism 300, and thesand paper 20 is torn off for replacement.

In one embodiment, thecarrier 100 includes acarrier plate 110 and a plurality ofposts 120. The supportingplate 110 is circular or polygonal, the plurality ofpillars 120 are disposed at the bottom of the supportingplate 110 to support the supportingplate 110, and the cross section of eachpillar 120 may be circular or polygonal. In particular embodiments, the number of the plurality ofstruts 120 is greater than 1, such as 2, 3, 4, or 5.

Thesandpaper loading mechanism 200 specifically includes amounting member 210, a mountingdriving member 220, and alimiting member 230. The drivingmember 220 is used for driving themounting member 210 to abut against the polishinghead 31 so as to mount thesandpaper 20, and the limitingmember 230 limits the position of the polishinghead 31 so that the polishinghead 31 and themounting member 210 are concentrically arranged, thereby preventing thesandpaper 20 sleeved on the mountingmember 210 from being mounted and deviated. Thesandpaper loading mechanism 200 may include at least two to improve efficiency of mounting sandpaper, and the specific structure of eachsandpaper loading mechanism 200 is the same. It is understood that, as an alternative, onesandpaper loading mechanism 200 is not provided with themounting member 210 and the limitingmember 230 engaged therewith, and when a certainsandpaper loading mechanism 200 fails, themounting member 210 is mounted on the alternativesandpaper loading mechanism 200, and one limitingmember 230 engages with the alternativesandpaper loading mechanism 200 to perform a sandpaper loading operation. Details of each of the above components are described below.

Themounting member 210 includes amounting bar 211 and atray 212. Themounting rod 211 is vertically fixed on the top of thebearing plate 110, thetray 212 is sleeved on themounting rod 211, and thesandpaper 20 is supported on the upper portion of thetray 212. Under the action of themounting driving member 220, thetray 212 drags thesandpaper 20 sleeved on themounting rod 211 to move towards thesanding head 31 to complete the sanding operation.

The mountingdriving member 220 is fixed on thebearing platform 100, and specifically, the mountingdriving member 220 is disposed at the bottom of thebearing plate 110 and is fixedly connected to thesupport column 120. The power take-off of themounting drive 220 abuts thetray 212. In particular embodiments, themounting drive 220 may be a pneumatic cylinder or other form of drive.

The limitingmember 230 includes alimiting rod 231 and at least two limitingblocks 232. Thelimiting rod 231 is fixed on the top of thebearing platform 100, and thelimiting rod 231 and themounting rod 211 are arranged in parallel in the axial direction and are both perpendicular to thebearing platform 100. The circumference that two at leaststoppers 232 formed sets up the position in order to injecthead 31 with theinstallation pole 211 is concentric, can understand, the circumference that everystopper 232 formed sets up with theinstallation pole 211 is concentric in order to inject the position ofhead 31, and the radius of this circumference equals thestopper 232 and the radius sum ofhead 31, and two at leaststoppers 232 arrange and set up towardsinstallation pole 211 with thetray 212 coplanar. When themounting member 210 mounts thesanding head 31 with sandpaper, the at least twostoppers 232 define the position of thesanding head 31, so that thesanding head 31 and thesandpaper 20 dragged by thetray 212 are completely overlapped, and thesanding head 31 is prevented from shifting. Further, the position of the limitingblock 232 can be adjusted to adapt to thesanding head 31 with different sizes, and the universality of thesandpaper loading mechanism 200 is improved.

In some preferred embodiments, abuffer 213 is provided at the bottom of thetray 212, and thebuffer 213 is used to avoid excessive impact of the mountingdriving member 220 driving thetray 212 on thesanding head 31 when thesandpaper 20 is mounted.

Specifically, thecushioning portion 213 includes acushioning disc 2131, anelastic body 2132, and afirst sensor 2133. Abuffer tray 2131 is provided adjacent to themounting drive 220, which is located at the bottom of thetray 212, thebuffer tray 2131 being disposed coaxially with thetray 212. The power output end of theinstallation driving piece 220 abuts against thebuffer disc 2131, anelastic body 2132 is arranged between thebuffer disc 2131 and thetray 212, thefirst sensor 2133 is arranged on thebuffer disc 2131, thefirst sensor 2133 is used for detecting the pressure of theelastic body 2132, and then the abutting force of thetray 212 on thepolishing head 31 can be monitored. In this embodiment, theelastic body 2132 may be a spring or other elastic body made of elastic material. Thefirst sensor 2133 may be, but is not limited to, a pressure sensor and a load cell.

When thesandpaper 20 is installed, thefirst sensor 2133 detects the pressure of theelastic body 2132, and then the pressure can be converted into the abutting force of thetray 212 on thepolishing head 31, when the pressure of theelastic body 2132 is greater than or equal to a preset pressure threshold value, thesandpaper 20 and the polishinghead 31 can be attached to each other, at this time, the power output end of theinstallation driving piece 220 can retract, and thetray 212 returns to the original position along theinstallation rod 211 under the action of gravity.

Referring to fig. 2, the sandpaper tearing mechanism 300 includes asand poking member 310 and apositioning member 320, and thesand poking member 310 and thepositioning member 320 cooperate to complete the sand paper tearing action.

Thesand ramming member 310 includes a fixedplate 311 and asand ramming plate 312, thesand ramming plate 312 is provided at an upper portion of the fixedplate 311, and a thickness of thesand ramming plate 312 from a fixed end to a free end is gradually reduced. At the beginning of the sandpaper tearing action, the robot moves thepneumatic sanding device 30 to thesanding plate 312, and the free end of thesanding plate 312 is punched into the gap between the sandinghead 31 and thesandpaper 20.

The positioningmember 320 includes abase 321 and apositioning driving member 322, thepositioning driving member 322 is fixed on thebase 321, and a power output end of thepositioning driving member 322 abuts against thesandpaper 20 to be torn off. Asecond sensor 330 is fixed to a side of thepositioning driving member 322, and thesecond sensor 330 is used for detecting whether the action of tearing the coated abrasive 20 is completed, i.e. whether the coated abrasive 20 is torn off. In a particular implementation, thesecond sensor 330 may be, but is not limited to, an infrared sensor. In particular embodiments, positioningdrive 322 may be a pneumatic cylinder or other form of drive.

After the free end of thesanding plate 312 is sanded into the gap between the sandinghead 31 and thesandpaper 20, the power output end of thepositioning driving member 322 is pressed against thesandpaper 20, i.e., thesandpaper 20 to be replaced is held by the power output ends of thesanding plate 312 and thepositioning driving member 322. The manipulator moves thepneumatic sanding device 30 and tears off thesandpaper 20. After thesecond sensor 330 senses that there is nosandpaper 20 on the sandinghead 31, the power output end of thepositioning driving member 322 retracts, and the action of tearing sandpaper is completed.

After thesandpaper 20 is torn off,new sandpaper 20 is installed again according to the grinding requirement, and under the driving of the manipulator, the grindinghead 31 without thesandpaper 20 moves to thesandpaper installing mechanism 200 for mounting the sandpaper. In some preferred embodiments, the top of the fixingplate 311 is provided with asuction cup 240, thesuction cup 240 holds thesandpaper 20, and thesuction cup 240 is used for performing negative pressure determination after thesandpaper 20 is installed, so as to determine whether thesandpaper 20 on the sandinghead 31 is installed properly. In other embodiments, thesuction cup 240 may be disposed at the top end of the limitingrod 231 to determine the negative pressure of the polishinghead 31.

Specifically, the sandinghead 31 has air holes uniformly dispersed therein, so that the end of the sandinghead 31 is at a negative pressure to adsorb thesandpaper 20. The surface ofsandpaper 20 has a joint (not shown) that is not completely sealed. After thesandpaper 20 is attached to the sandinghead 31, thesandpaper 20 blocks the air holes of the sandinghead 31, and negative pressure is formed between the sandinghead 31 and thesandpaper 20. Thesuction cup 240 abuts against the joint of theabrasive paper 20, negative pressure can be tested through thesuction cup 240, and then the negative pressure display surface of thepneumatic polishing device 30 is displayed, so that an operator can judge whether the adhesion between theabrasive paper 20 and the polishinghead 31 is qualified, and if the adhesion is qualified, a workpiece can be polished.

The utility model provides an automatic tradeabrasive paper device 10, including automatic dressabrasive paper mechanism 200 and the automaticabrasive paper mechanism 300 that tears, realize adorning abrasive paper and tear the automation mechanized operation of abrasive paper. The abrasivepaper loading mechanism 200 controls the sandinghead 31 to concentrically adhere to theabrasive paper 20, and the adhering precision of the sandinghead 31 and theabrasive paper 20 is improved. The paper-strippingmechanism 300 utilizes the sand-pokingplate 312 and thepositioning driving member 322 to accurately and quickly remove thesandpaper 20.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims (10)

1. The utility model provides an automatic trade abrasive paper device, includes the plummer and locates dress abrasive paper mechanism on the plummer, it is used for installing abrasive paper to a grinding head, its characterized in that to trade the abrasive paper device automatically: the sand paper loading mechanism comprises an installation part, an installation driving part and a limiting part, the installation part comprises an installation rod fixed on the bearing table and a tray sleeved on the installation rod, the installation driving piece is fixed on the bearing table, the power output end of the installation driving piece is abutted against the tray, the limiting piece comprises a limiting rod and at least two limiting blocks arranged at the top of the limiting rod, the limiting rod is fixed on the bearing platform and is axially parallel to the mounting rod, the circle center of each limiting block is positioned on the concentric circumference of the mounting rod to limit the position of the polishing head, and the radius of the circumference is equal to the sum of the radii of the limiting block and the polishing head, and the mounting driving piece drives the tray to support the abrasive paper sleeved on the mounting rod to move towards the polishing head so as to finish the action of mounting the abrasive paper.

2. The automatic sandpaper changing apparatus according to claim 1, wherein: the plummer includes the loading board and locates a plurality of pillars of loading board bottom, the installation pole vertical fixation in the loading board top, the installation driving piece is located loading board bottom and with pillar fixed connection.

3. The automated sandpaper changing apparatus of claim 2, wherein: the tray bottom is equipped with buffering portion, buffering portion includes buffer disc, elastomer and first sensor, the buffer disc is close to the installation driving piece setting and with the coaxial setting of tray, the power take off end of installation driving piece with the buffer disc supports and holds, the buffer disc with be equipped with between the tray the elastomer, first sensor is located on the buffer disc in order to detect the pressure of elastomer.

4. The automatic sandpaper changing apparatus according to claim 1, wherein: the at least two limiting blocks and the tray are arranged on the same plane and face the installation rod.

5. The automated sandpaper changing apparatus of claim 4, wherein: the number of the sand paper containing mechanisms is at least two.

6. The automated sandpaper changing apparatus of claim 1, wherein: the automatic sand paper replacing device further comprises a sand paper tearing mechanism, the sand paper tearing mechanism is fixed on the bearing table, and the sand paper tearing mechanism comprises a sand poking piece and a positioning piece matched with the sand poking piece.

7. The automated sandpaper changing apparatus of claim 6, wherein: stab the sand spare and include the fixed plate and locate the sand board of stabbing on fixed plate upper portion, the thickness of stabbing the sand board from fixed end to free end reduces gradually, the free end of stabbing the sand board is used for stabbing into the head of polishing with the gap between abrasive paper.

8. The automated sandpaper changing apparatus of claim 6, wherein: the setting element includes the base and is fixed in the location driving piece of base, the power take off end of location driving piece withstands abrasive paper.

9. The automated sandpaper changing apparatus of claim 8, wherein: and a second sensor is fixed on the side surface of the positioning driving piece and used for detecting whether the action of tearing the abrasive paper is finished.

10. The automated sandpaper changing apparatus of claim 7, wherein: the top of fixed plate is equipped with the sucking disc, the sucking disc supports and holds abrasive paper for judge on the head of polishing whether installation of abrasive paper is qualified.

Images