CN210550451U

CN210550451U - Automatic sand paper replacing device

Info

Publication number: CN210550451U
Application number: CN201920452329.XU
Authority: CN
Inventors: 焦祥; 梅术凯; 何浩良; 刘石生; 张成华; 邓亮
Original assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Current assignee: Fuzhun Precision Tooling Jiashan Co Ltd
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-05-19
Anticipated expiration: 2029-04-04

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 sand paper replacing device 10, wherein the automatic sand paper replacing device 10 includes a bearing platform 100, a sand paper loading mechanism 200 and a sand paper tearing mechanism 300. The sandpaper loading mechanism 200 is used to load a new piece of sandpaper 20, and the sandpaper tearing mechanism 300 is used to tear off the used piece of sandpaper 20. The polishing head 31 of the pneumatic polishing device 30 needs to be provided with the sand paper 20 to polish a workpiece, which can be a metal piece, a plastic piece and other workpieces needing to be polished. The pneumatic polishing device 30 is connected to a manipulator (not shown), and the manipulator drives the pneumatic polishing device 30 to move to the abrasive paper loading mechanism 200, so as to mount the abrasive paper 20 on the polishing head 31 to polish the workpiece. When the workpiece is polished or the sand paper 20 needs to be replaced, the manipulator drives the pneumatic polishing device 30 to move to the sand paper tearing mechanism 300, and the sand paper 20 is torn off for replacement.

In one embodiment, the carrier 100 includes a carrier plate 110 and a plurality of posts 120. The supporting plate 110 is circular or polygonal, the plurality of pillars 120 are disposed at the bottom of the supporting plate 110 to support the supporting plate 110, and the cross section of each pillar 120 may be circular or polygonal. In particular embodiments, the number of the plurality of struts 120 is greater than 1, such as 2, 3, 4, or 5.

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

The mounting member 210 includes a mounting bar 211 and a tray 212. The mounting rod 211 is vertically fixed on the top of the bearing plate 110, the tray 212 is sleeved on the mounting rod 211, and the sandpaper 20 is supported on the upper portion of the tray 212. Under the action of the mounting driving member 220, the tray 212 drags the sandpaper 20 sleeved on the mounting rod 211 to move towards the sanding head 31 to complete the sanding operation.

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

The limiting member 230 includes a limiting rod 231 and at least two limiting blocks 232. The limiting rod 231 is fixed on the top of the bearing platform 100, and the limiting rod 231 and the mounting rod 211 are arranged in parallel in the axial direction and are both perpendicular to the bearing platform 100. The circumference that two at least stoppers 232 formed sets up the position in order to inject head 31 with the installation pole 211 is concentric, can understand, the circumference that every stopper 232 formed sets up with the installation pole 211 is concentric in order to inject the position of head 31, and the radius of this circumference equals the stopper 232 and the radius sum of head 31, and two at least stoppers 232 arrange and set up towards installation pole 211 with the tray 212 coplanar. When the mounting member 210 mounts the sanding head 31 with sandpaper, the at least two stoppers 232 define the position of the sanding head 31, so that the sanding head 31 and the sandpaper 20 dragged by the tray 212 are completely overlapped, and the sanding head 31 is prevented from shifting. Further, the position of the limiting block 232 can be adjusted to adapt to the sanding head 31 with different sizes, and the universality of the sandpaper loading mechanism 200 is improved.

In some preferred embodiments, a buffer 213 is provided at the bottom of the tray 212, and the buffer 213 is used to avoid excessive impact of the mounting driving member 220 driving the tray 212 on the sanding head 31 when the sandpaper 20 is mounted.

Specifically, the cushioning portion 213 includes a cushioning disc 2131, an elastic body 2132, and a first sensor 2133. A buffer tray 2131 is provided adjacent to the mounting drive 220, which is located at the bottom of the tray 212, the buffer tray 2131 being disposed coaxially with the tray 212. The power output end of the installation driving piece 220 abuts against the buffer disc 2131, an elastic body 2132 is arranged between the buffer disc 2131 and the tray 212, the first sensor 2133 is arranged on the buffer disc 2131, the first sensor 2133 is used for detecting the pressure of the elastic body 2132, and then the abutting force of the tray 212 on the polishing head 31 can be monitored. In this embodiment, the elastic body 2132 may be a spring or other elastic body made of elastic material. The first sensor 2133 may be, but is not limited to, a pressure sensor and a load cell.

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

Referring to fig. 2, the sand paper tearing mechanism 300 includes a sand poking member 310 and a positioning member 320, and the sand poking member 310 and the positioning member 320 cooperate to complete the sand paper tearing action.

The sand ramming member 310 includes a fixed plate 311 and a sand ramming plate 312, the sand ramming plate 312 is provided at an upper portion of the fixed plate 311, and a thickness of the sand 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 the pneumatic sanding device 30 to the sanding plate 312, and the free end of the sanding plate 312 is punched into the gap between the sanding head 31 and the sandpaper 20.

The positioning member 320 includes a base 321 and a positioning driving member 322, the positioning driving member 322 is fixed on the base 321, and a power output end of the positioning driving member 322 abuts against the sandpaper 20 to be torn off. A second sensor 330 is fixed to a side of the positioning driving member 322, and the second 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, the second sensor 330 may be, but is not limited to, an infrared sensor. In particular embodiments, positioning drive 322 may be a pneumatic cylinder or other form of drive.

After the free end of the sanding plate 312 is sanded into the gap between the sanding head 31 and the sandpaper 20, the power output end of the positioning driving member 322 is pressed against the sandpaper 20, i.e., the sandpaper 20 to be replaced is held by the power output ends of the sanding plate 312 and the positioning driving member 322. The manipulator moves the pneumatic sanding device 30 and tears off the sandpaper 20. After the second sensor 330 senses that there is no sandpaper 20 on the sanding head 31, the power output end of the positioning driving member 322 retracts, and the action of tearing sandpaper is completed.

After the sandpaper 20 is torn off, new sandpaper 20 is installed again according to the grinding requirement, and under the driving of the manipulator, the grinding head 31 without the sandpaper 20 moves to the sandpaper installing mechanism 200 for mounting the sandpaper. In some preferred embodiments, the top of the fixing plate 311 is provided with a suction cup 240, the suction cup 240 holds the sandpaper 20, and the suction cup 240 is used for performing negative pressure determination after the sandpaper 20 is installed, so as to determine whether the sandpaper 20 on the sanding head 31 is installed properly. In other embodiments, the suction cup 240 may be disposed at the top end of the limiting rod 231 to determine the negative pressure of the polishing head 31.

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

The utility model provides an automatic trade abrasive paper device 10, including automatic dress abrasive paper mechanism 200 and the automatic abrasive paper mechanism 300 that tears, realize adorning abrasive paper and tear the automation mechanized operation of abrasive paper. The abrasive paper loading mechanism 200 controls the sanding head 31 to concentrically adhere to the abrasive paper 20, and the adhering precision of the sanding head 31 and the abrasive paper 20 is improved. The paper-stripping mechanism 300 utilizes the sand-poking plate 312 and the positioning driving member 322 to accurately and quickly remove the sandpaper 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

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.