CN216422092U

CN216422092U - Grinding and polishing processing device

Info

Publication number: CN216422092U
Application number: CN202120443356.8U
Authority: CN
Inventors: 张丽朋; 程占传; 许飞鸿
Original assignee: Xiamen Hanlaide Intelligent Technology Co ltd
Current assignee: Xiamen Hanlaide Intelligent Technology Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-05-03
Anticipated expiration: 2031-03-01

Abstract

The utility model relates to a grinding and polishing processing device which comprises a feeding assembly, a discharging assembly, a mechanical arm, a grinding assembly and a polishing assembly, wherein the feeding assembly is arranged on the feeding assembly; the mechanical arm takes a product on the feeding assembly, polishes the product through the polishing assembly and then places the product on the discharging assembly; the polishing assembly comprises a base, a bracket, a damping device, a power device, a driving wheel, a driven wheel and an abrasive belt; the driving wheel and the driven wheel are arranged on the bracket in a rotating way; the action end of the power device is in transmission connection with the driving wheel, the driving wheel is in transmission connection with the driven wheel through an abrasive belt, and the abrasive belt is tensioned into a closed ring by the driving wheel and the driven wheel; the support is movably arranged on the base, and a damping device for providing damping for the movement of the support is arranged between the support and the base. This scheme has still promoted the quality of product, has avoided the production of defective products when having promoted the efficiency of polishing, and simple structure, cost are lower.

Description

Grinding and polishing processing device

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a grinding and polishing device.

Background

Grinding and polishing are common processes in product processing, one product is ground after being formed, burrs and bulges on the surface are removed, and further accurate friction polishing is carried out through a polishing cloth wheel after grinding, so that an exquisite and attractive product is obtained.

Most of the prior automatic robots are divided into grinding and polishing procedures. The mode can lead to low processing efficiency of products, insufficient integration and large occupied area of equipment. Meanwhile, most of the existing abrasive belt machines are fixedly connected with a driving wheel and a driven wheel on a rack, and the whole polishing system cannot move in the polishing process. The sizes and sizes of products to be polished are different, and when contact force and contact surface changes caused by size errors or clamping errors of the products are generated, polishing failure of the products is easily caused.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a grinding and polishing processing device aiming at the problem that the prior grinding and polishing robot cannot automatically compensate the moment change during grinding, so that the product yield is too low.

A grinding and polishing processing device comprises a feeding assembly, a discharging assembly, a mechanical arm, a grinding assembly and a polishing assembly; the mechanical arm takes a product on the feeding assembly, polishes the product through the polishing assembly and then places the product on the discharging assembly;

the polishing assembly comprises a base and a polishing device; the polishing device comprises a bracket, a damping device, a power device, a driving wheel, a driven wheel and an abrasive belt; the driving wheel and the driven wheel are arranged on the bracket in a self-rotating manner; the driving end of the power device is in transmission connection with the driving wheel, the driving wheel is in transmission connection with the driven wheel through the abrasive belt, and the abrasive belt is tensioned into a closed ring by the driving wheel and the driven wheel; the support is movably arranged on the base, and a damping device for damping the movement of the support is arranged between the support and the base.

In order to provide abrasive belts with different shapes to adapt to products with different shapes and sizes, the number of the grinding devices is at least two, and the shapes of the abrasive belt sealing rings between every two grinding devices are different from each other.

In order to conveniently change the shape of the abrasive belt, not influence the rotation of the abrasive belt and ensure the grinding efficiency, and in order to install the convex frame at different positions of the base, the shape of the closed ring of the abrasive belt can be flexibly changed to adapt to products with different sizes and shapes, wherein one grinding device comprises a hanging wheel and the convex frame; the change gear is arranged on the convex frame in a self-rotating manner; the support is provided with a plurality of mounting positions, and the protruding frame is detachably and fixedly mounted on the mounting positions; the change gear is abutted against the inner side of the abrasive belt, and the shape of the abrasive belt sealing ring is changed through the change gear.

In order to adjust the difference between the same type of products and automatically compensate the different moment, the casting defect of the products can be effectively overcome, and the product grinding yield is improved, the grinding device further comprises an adjusting mechanism, the adjusting mechanism comprises a telescopic piece and a rotating wheel which is arranged at one end of the telescopic piece in a self-rotating manner, and the rotating wheel abuts against the inner side of the abrasive belt; the telescopic piece can be extended and shortened, and the shape of the abrasive belt sealing ring is changed through the rotating wheel.

The polishing assembly comprises a rack, and a power mechanism, a rotating shaft and at least two polishing cloth wheels which are arranged on the rack; all the polishing cloth wheels are sleeved on the rotating shaft; the action part of the power mechanism is in transmission connection with the rotating shaft, so that the polishing cloth wheel on the rotating shaft is driven to rotate.

Wherein, in order to spray wax on the polished product, the polishing component also comprises a wax spraying mechanism; and the wax spraying mechanism is internally provided with polishing wax, and a nozzle of the wax spraying mechanism is aligned to a polishing station beside the polishing cloth wheel to spray wax on a product to be polished.

In order to adjust the position of wax spraying, the wax spraying mechanism comprises a translation driving mechanism and a wax spraying gun, and the translation driving mechanism is fixed on the rack; the action part of the translation driving mechanism is in transmission connection with the wax spraying gun so as to drive the wax spraying gun to do linear translation motion; and polishing wax is filled in the wax spraying gun, and a nozzle of the wax spraying gun is aligned to a polishing station beside the polishing cloth wheel to spray wax on a product to be polished.

In order to adjust the position of the wax spraying gun in the transverse direction and the longitudinal direction, the wax spraying mechanism further comprises a threaded screw rod, and the wax spraying gun is connected to the threaded screw rod in a threaded manner and can perform transverse translation motion along the threaded screw rod; and the action part of the translation driving mechanism is in transmission connection with the threaded screw rod so as to drive the wax spraying gun to do longitudinal translation motion.

In order to efficiently and quickly adjust the position of the wax spraying gun, the translation driving mechanism is an air cylinder, and a cylinder body of the air cylinder is fixed on the rack; and a piston rod of the air cylinder is fixedly connected with the wax spraying gun, so that the wax spraying gun is driven to do linear translation motion.

In order to quickly and efficiently switch a finished product from a grinding assembly to a polishing assembly station, the grinding and polishing processing device further comprises two conversion tables, the number of the mechanical arms is two, the number of the grinding assemblies and the number of the polishing assemblies are at least two, and the conversion tables are arranged between the two mechanical arms; after the product is ground by the grinding assembly, one mechanical arm places the product on a conversion table, and the other mechanical arm takes the product for polishing.

According to the technical scheme, the grinding assembly and the polishing assembly are integrated, the stations are switched through the mechanical arm, and the grinding and polishing efficiency is improved. Meanwhile, the driving wheel, the driven wheel and the abrasive belt which are used for directly polishing products are arranged on the support, the support is movably arranged on the base, and a damping device is arranged between the direct grinding wheel and the base to relatively fix the direct grinding wheel and the abrasive belt. When the product is polished, if the moment is too large, the whole bracket can be driven to slightly move backwards, so that the function of compensating the moment is realized. This technical scheme can be fine promote the quality of product, avoid the production of defective products, simple structure, cost are lower.

Drawings

FIG. 1 is a schematic overall view of an embodiment of a polishing apparatus according to the present invention;

FIG. 2 is a top view of one embodiment of the polishing apparatus shown in FIG. 1;

FIG. 3 is a front view of an embodiment of the polishing apparatus shown in FIG. 1;

FIG. 4 is a general schematic view of a grinding assembly according to one embodiment of the present invention;

FIG. 5 is a top view of one embodiment of the sanding assembly of FIG. 4;

FIG. 6 is a bottom view of one embodiment of the sanding assembly of FIG. 4;

FIG. 7 is an overall schematic view of a polishing assembly in accordance with one embodiment of the utility model;

FIG. 8 is a side view of one embodiment of the sanding assembly of FIG. 7;

FIG. 9 is a front view of one embodiment of the sanding assembly of FIG. 7;

FIG. 10 is a schematic illustration of an embodiment of the sanding assembly of FIG. 7 shown with a portion of the frame hidden;

figure 11 is a schematic diagram of a wax injection mechanism of one embodiment of the sanding assembly of figure 7.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a feeding assembly; 2. a blanking assembly; 3. polishing the assembly; 31. a base; 32. a support; 33. a damping device; 34. a power plant; 35. a driving wheel; 36. a driven wheel; 37. an abrasive belt; 38. a change gear; 381. a convex frame; 39. a rotating wheel; 391. a telescoping member; 4. a mechanical arm; 5. a polishing assembly; 51. a frame; 52. a power mechanism; 53. a rotating shaft; 54. a wax spraying mechanism; 541. a translation mechanism; 542. a wax spray gun; 543. a threaded lead screw; 55. polishing the cloth wheel; 56. a bearing; 57. a belt pulley; 58. a belt; 6. and a conversion table.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is apparent that the specific details set forth in the following description are merely exemplary of the utility model, which can be practiced in many other embodiments that depart from the specific details disclosed herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. 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. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

In one embodiment, referring to fig. 1 to 6, a polishing apparatus includes: the automatic polishing device comprises a feeding assembly 1, a discharging assembly 2, a mechanical arm 4, a grinding assembly 3 and a polishing assembly 5; the mechanical arm 4 takes a product on the feeding assembly 1, polishes the product through the polishing assembly 3, polishes the product through the polishing assembly 5 and then places the product on the discharging assembly 2;

the polishing assembly 3 comprises a base 31 and a polishing device; the grinding device comprises a bracket 32, a damping device 33, a power device 34, a driving wheel 35, a driven wheel 36 and an abrasive belt 37; the driving pulley 35 and the driven pulley 36 are both rotatably arranged on the bracket 32; the moving end of the power device 34 is in transmission connection with a driving wheel 35, the driving wheel 35 is in transmission connection with a driven wheel 36 through an abrasive belt 37, and the abrasive belt 37 is tensioned into a closed ring by the driving wheel 35 and the driven wheel 36; the support 32 is movably disposed on the base 31, and a damping device 33 is disposed between the support 32 and the base 31 for damping the movement of the support 32.

According to the technical scheme, the grinding component 3 and the polishing component 5 are integrated, and stations are switched through the manipulator, so that the grinding and polishing efficiency is improved. A driving wheel 35, a driven wheel 36 and a sanding belt 37 for directly sanding products are also arranged on the bracket 32, the bracket 32 is movably arranged on the base 31, and a damping device 33 is arranged between the direct grinding wheel and the base 31 to fix the direct grinding wheel relatively. When the product is polished, if the moment is too large, the whole bracket 32 is driven to slightly move backwards, so that the function of compensating the moment is realized. This technical scheme can be fine promote the quality of product, avoid the production of defective products, simple structure, cost are lower.

Specifically, in order to efficiently and stably drive the driving wheel 35 to rotate, the power device 34 is a motor, the motor is fixed on the bracket 32, and the driving wheel 35 is sleeved on a rotating shaft of the motor in an interference manner.

In order to provide sanding belts 37 with different shapes to adapt to products with different shapes and sizes, the number of the sanding devices is at least two, and the shapes of the sealing rings of the sanding belts 37 of each sanding device are different from each other. In this embodiment, the number of sanding assemblies 3 is two, and the shape of the closed ring of sanding belt 37 of each sanding assembly 3 differs from each other. Sanding belt 37 of different shapes is obtained by means of two sets of sanding assemblies 3 to adapt to products of different shapes and sizes. Of course, the number of the grinding assemblies 3 may be plural, for example, 3 sets, 4 sets, etc.

On the basis of the embodiment, in order to conveniently change the shape of the abrasive belt 37 without affecting the rotation of the abrasive belt 37 and ensure the grinding efficiency, and in order to install the convex frame 381 at different positions of the base 31, the shape of the closed ring of the abrasive belt can be flexibly changed to adapt to products with different sizes and shapes, wherein one grinding device comprises a hanging wheel 38 and the convex frame 381; the change gear 38 is arranged on the convex frame 381 in a self-rotating manner; the bracket 32 is provided with a plurality of mounting positions, and the convex frame 381 can be detachably and fixedly mounted on the mounting positions; a change gear 38 abuts against the inner side of the sanding belt 37 and changes the shape of the closed loop of the sanding belt 37 by means of the change gear 38.

It can be understood that the change of the shape of the abrasive belt 37 can be conveniently realized by the change of the hanging wheel 38 and the bracket 32, and the rotation of the abrasive belt 37 is not influenced, so that the grinding efficiency is ensured. The plurality of mounting positions are arranged on the bracket 32, so that the convex frame 381 can be mounted at different positions of the base 31, the abrasive belt 37 is supported by the hanging wheel 38, and the shape of a closed ring of the abrasive belt can be flexibly changed to adapt to products with different sizes and shapes.

It should be noted that in this embodiment, one grinding assembly 3 is provided with the hanging wheel 38 and the protruding frame 381, while the other grinding assembly 3 is not provided with the hanging wheel 38 and the protruding frame 381, so as to obtain the enclosed ring of the abrasive belt 37 with different shapes. Of course, when there are a plurality of sanding assemblies 3, different shapes of the closed loop of sanding belt 37 can be obtained by arranging the raised stand 381 at different positions of the stand 32.

On the basis of the embodiment, further, in order to adjust the difference between the same type of products, automatically compensate the different moment, effectively solve the casting defect of the products, and improve the yield of the products, the polishing device further comprises an adjusting mechanism, the adjusting mechanism comprises a telescopic member 391 and a rotating wheel 39 which is arranged at one end of the telescopic member 391 in a rotatable manner, and the rotating wheel 39 abuts against the inner side of the abrasive belt 37; telescopic member 391 can be extended and retracted and the shape of the closed loop of abrasive belt 37 can be changed by turning wheel 39. The outer side surface of the rotating wheel 39 is provided with an annular groove matched with the abrasive belt 37 in size, and the abrasive belt 37 is accommodated in the annular groove.

In the present embodiment, in order to save cost, the damping device 33 is a spring, one side of the spring abuts against the bracket 32, and the other side of the spring abuts against the base 31; the spring provides resistance to movement of the carriage 32 as the carriage 32 moves.

In another embodiment, in order to generate damping and adjust the position of the bracket 32, the damping device 33 is a cylinder, the cylinder is fixed on the base 31, and a piston rod of the cylinder is fixedly connected with the bracket 32; as the carriage 32 moves, the cylinder provides resistance to movement of the carriage 32.

Of course, the damping device 33 may be other structures, such as elastic rubber, elastic cord, etc., which can provide damping to the movement of the bracket 32, limiting the displacement thereof.

In an embodiment of the present invention, in order to polish more than two products at the same time and improve the processing efficiency, the polishing assembly 5 includes: a frame 51, a power mechanism 52 arranged on the frame 51, a rotating shaft 53 and at least two polishing cloth wheels 55; all the polishing cloth wheels 55 are sleeved on the rotating shaft 53; the moving part of the power mechanism 52 is connected with the rotating shaft 53 in a transmission way, and further drives the polishing cloth wheel 55 on the rotating shaft 53 to rotate. In this embodiment, the polishing cloth wheels 55 are sleeved at two ends of the rotating shaft 53 to form an i shape, so that the distance between the two polishing cloth wheels 55 is furthest pulled open, thereby facilitating polishing. In addition, the number of the wax spraying mechanisms 54 is also two, and the two mechanisms are respectively aligned with the position of one polishing cloth wheel 55.

Of course, the number of the buffing wheel 55 may be plural, and the number of the wax spraying mechanism 54 may be one or plural, which is not limited to the number described in the present embodiment.

Further, in order to spray wax on the polished product, the polishing assembly 5 further includes a wax spraying mechanism 54; the wax spraying mechanism 54 is filled with polishing wax, and a nozzle of the wax spraying mechanism 54 is aligned with a polishing station beside the polishing cloth wheel 55 to spray wax on a product to be polished.

In this embodiment, in order to adjust the position of the wax spraying, the wax spraying mechanism 54 includes a translation driving mechanism 541 and a wax spraying gun 542, and the translation driving mechanism 541 is fixed on the frame 51; the action part of the translation driving mechanism 541 is in transmission connection with the wax spraying gun 542 so as to drive the wax spraying gun 542 to do linear translation movement; the wax spray gun 542 is filled with polishing wax, and the nozzle of the wax spray gun 542 is aligned with the polishing station beside the polishing cloth wheel 55 to spray wax on the product to be polished.

In order to adjust the position of the wax spraying gun 542 in the transverse direction and the longitudinal direction, the wax spraying mechanism 54 further comprises a threaded screw rod 543, and the wax spraying gun 542 is in threaded connection with the threaded screw rod 543 and can perform transverse translation movement along the threaded screw rod 543; the moving part of the translational driving mechanism 541 is in transmission connection with the threaded screw 543, so as to drive the wax spraying gun 542 to perform longitudinal translational movement. Of course, other structures of the sliding rod and the sliding block can be used instead of the threaded screw rod 543.

Specifically, in order to adjust the position of the wax spraying gun 542 efficiently and quickly, the translation driving mechanism 541 is a cylinder, and a cylinder body of the cylinder is fixed on the frame 51; the piston rod of the cylinder is fixedly connected with the wax spraying gun 542, and then the wax spraying gun 542 is driven to do linear translation motion.

It will be appreciated that the wax spray gun 542 is adjustable in position by the translation of the drive mechanism 541, and the wax spray gun 542 is adjustable in position both laterally and longitudinally by the provision of the laterally extending threaded screw 543, with precise control of displacement. The position of the wax spraying gun 542 can be efficiently and quickly adjusted by the translation driving mechanism 541 realized through the air cylinder. Of course, the translation driving mechanism 541 may be implemented by other devices, such as a translation motor.

On the basis of this implementation, in order to realize electric drive by the rotation of the high-efficient convenient drive polishing cloth wheel 55, power unit 52 is the motor, and the rotation axis of motor is connected with pivot 53 transmission, and then drives polishing cloth wheel 55 on the pivot 53 and rotates. Of course, the power mechanism 52 may have another structure such as a hand wheel.

Further, in order to perform transmission stably, reduce vibration and save cost, a rotating shaft of the motor is sleeved with a belt pulley 57, and the rotating shaft 53 is also sleeved with a belt pulley 57; the rotating shaft of the motor is in transmission connection with a belt pulley 57 on the rotating shaft 53 through a belt 58, and then the polishing cloth wheel 55 on the rotating shaft 53 is driven to rotate through the motor.

It is understood that the transmission between the motor and the rotating shaft 53 may be other mechanisms, such as a chain and a gear matching, a gear and gear meshing, etc., and the structure thereof is not limited to the one described in the embodiment.

In the present embodiment, in order to fix the rotating shaft 53 and avoid instability during rotation, a bearing 56 is fixed to the frame 51, and the rotating shaft 53 is rotatably provided on the frame 51 through the bearing 56. The number of the bearings 56 in this embodiment is two, and the two bearings are respectively disposed at two ends of the rotating shaft 53 to fix the rotating shaft, so as to ensure stable operation of the rotating shaft.

Specifically, in order to provide a larger torque force to the polishing cloth wheel 55 to drive the cloth wheel for grinding work, the rotating shaft 53 is in flat key connection with the polishing cloth wheel 55. Of course, the connection manner between the polishing wheel and the rotating shaft 53 is not limited to the description in the embodiment, and it may also be: interference fit, spline coupling, etc., and are not described herein.

In this embodiment, in order to switch the finished product from the grinding assembly 3 to the polishing assembly 5 at a high speed and high efficiency, the grinding and polishing device further includes a conversion table 6, the number of the mechanical arms 4 is two, the number of the grinding assemblies 3 and the number of the polishing assemblies 5 are at least two, and the conversion table 6 is arranged between the two mechanical arms 4; after the product is ground by the grinding component 3, one mechanical arm 4 places the product on the conversion table 6, and the other mechanical arm 4 takes the product for polishing.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes, substitutions and alterations can be made without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be subject to the claims.

Claims

1. The grinding and polishing processing device is characterized by comprising: the automatic polishing device comprises a feeding assembly, a discharging assembly, a mechanical arm, a grinding assembly and a polishing assembly; the mechanical arm takes a product on the feeding assembly, polishes the product through the polishing assembly and then places the product on the discharging assembly;

2. The polishing and burnishing apparatus of claim 1, wherein the number of the burnishing apparatuses is at least two, and the belt closing rings of each of the burnishing apparatuses have different shapes from each other.

3. The polishing and burnishing apparatus of claim 2, wherein one of the burnishing apparatuses comprises a change gear and a nose block; the change gear is arranged on the convex frame in a self-rotating manner; the support is provided with a plurality of mounting positions, and the protruding frame is detachably and fixedly mounted on the mounting positions; the change gear is abutted against the inner side of the abrasive belt, and the shape of the abrasive belt sealing ring is changed through the change gear.

4. The polishing and burnishing apparatus of claim 1, further comprising an adjusting mechanism, wherein the adjusting mechanism comprises a telescopic member and a rotating wheel rotatably disposed at one end of the telescopic member, and the rotating wheel abuts against the inner side of the sanding belt; the telescopic piece can be extended and shortened, and the shape of the abrasive belt sealing ring is changed through the rotating wheel.

5. The polishing apparatus according to claim 1, wherein the polishing member comprises: the polishing machine comprises a frame, and a power mechanism, a rotating shaft and at least two polishing cloth wheels which are arranged on the frame; all the polishing cloth wheels are sleeved on the rotating shaft; the action part of the power mechanism is in transmission connection with the rotating shaft, so that the polishing cloth wheel on the rotating shaft is driven to rotate.

6. The polishing apparatus according to claim 5, wherein the polishing member further comprises a wax spraying mechanism; and the wax spraying mechanism is internally provided with polishing wax, and a nozzle of the wax spraying mechanism is aligned to a polishing station beside the polishing cloth wheel to spray wax on a product to be polished.

7. The grinding and polishing processing device as claimed in claim 6, wherein the wax spraying mechanism comprises a translation driving mechanism and a wax spraying gun, and the translation driving mechanism is fixed on the frame; the action part of the translation driving mechanism is in transmission connection with the wax spraying gun so as to drive the wax spraying gun to do linear translation motion; and polishing wax is filled in the wax spraying gun, and a nozzle of the wax spraying gun is aligned to a polishing station beside the polishing cloth wheel to spray wax on a product to be polished.

8. The grinding and polishing device as claimed in claim 7, wherein the wax spraying mechanism further comprises a threaded screw, and the wax spraying gun is connected to the threaded screw in a threaded manner and can perform transverse translational motion along the threaded screw; and the action part of the translation driving mechanism is in transmission connection with the threaded screw rod so as to drive the wax spraying gun to do longitudinal translation motion.

9. The grinding and polishing device as claimed in claim 7, wherein the translation driving mechanism is a cylinder, and a cylinder body of the cylinder is fixed on the frame; and a piston rod of the air cylinder is fixedly connected with the wax spraying gun, so that the wax spraying gun is driven to do linear translation motion.

10. The polishing processing apparatus according to claim 1, further comprising a conversion table, wherein the number of the robot arms is two, the number of the polishing assemblies and the number of the polishing assemblies are at least two, and the conversion table is disposed between the two robot arms; after the product is ground by the grinding assembly, one mechanical arm places the product on a conversion table, and the other mechanical arm takes the product for polishing.