CN114454061B

CN114454061B - Double-side polishing device and method

Info

Publication number: CN114454061B
Application number: CN202210193473.2A
Authority: CN
Inventors: 江明明; 彭远征; 龚芷萱; 薛英杰; 朱允祯
Original assignee: Hunan Duno Intelligent Robots Technology Co ltd
Current assignee: Hunan Duno Intelligent Robots Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-12-16
Anticipated expiration: 2042-02-28
Also published as: CN114454061A

Abstract

The invention belongs to the field of polishing, and particularly relates to a double-side polishing device and a double-side polishing method.

Description

Double-side polishing device and method

Technical Field

Background

At present, the two sides of a workpiece are polished, the adjustment of the workpiece and a tool clamp is complex and tedious, the relation between the workpiece and the tool clamp needs to be adjusted for many times, and therefore the work efficiency is difficult to improve.

Disclosure of Invention

The invention aims to provide a double-side polishing device and method with high efficiency, high stability and high precision.

The invention provides a double-side polishing device which comprises a moving manipulator, a roller polishing device and a turnover assembly, wherein the moving manipulator comprises a linear moving assembly and a second chuck, the turnover assembly comprises a rack, a turnover driving piece and a clamping arm, the moving manipulator clamps a workpiece and linearly moves along the roller polishing device for polishing, and then the workpiece is turned over through the turnover assembly and the back side of the workpiece is polished.

Furthermore, the overturning assembly is arranged on one side of the roller grinding assembly, and the mobile manipulator spans the roller grinding device and the overturning assembly.

Furthermore, a blanking conveying belt is arranged on one side of the overturning component.

Furthermore, the roller polishing device comprises a frame body, a second polishing assembly and a plurality of rollers which are sequentially arranged along the frame body, wherein the second polishing assembly comprises a second motor, a second polishing roller and a rotating frame, one side of the rotating frame is hinged with the frame body, the other side of the rotating frame is rotatably connected with the second polishing roller, the second polishing roller is arranged in parallel with the rollers, the second motor is connected with the second polishing roller, the roller polishing device further comprises a polishing power part for driving the rotating frame to swing, and the moving direction of the linear moving assembly is consistent with the arrangement direction of the rollers.

Furthermore, the roller grinding devices are sequentially provided with a plurality of groups, and the precision of the second grinding rollers of the adjacent roller grinding devices is sequentially improved.

Furthermore, a transition roller is arranged between every two roller grinding devices.

Still further, the mobile robot further includes a second lifting assembly connecting the linear motion assembly and the second chuck.

Furthermore, the second motor is fixedly arranged on the frame body, the output shaft of the second motor is connected with the second grinding roller through a second belt assembly, the axis of the second motor is coaxial with the swing axis of the rotating frame, and the second belt assembly further comprises a tension wheel arranged on the rotating frame.

Furthermore, the rotating frame further comprises a second rotating shaft, and the second rotating shaft is arranged on the frame body through a bearing seat and a bearing.

The invention also provides a double-sided polishing method, which comprises the double-sided polishing device and further comprises the following steps:

s1, a movable manipulator grabs a workpiece to move linearly along a roller polishing device, and one side of the workpiece is polished;

s2, the workpiece is grabbed into a clamping arm of the turnover assembly by the movable manipulator, and the turnover driving piece rotates for 180 degrees to turn over the workpiece;

and S3, the movable manipulator grabs the workpiece from the clamping arm, the step S1 is repeated again, and finally blanking is carried out.

The invention has the beneficial effects that the movable manipulator, the roller polishing device and the overturning assembly are arranged for polishing the upper surface and the lower surface of a workpiece such as a silver ingot, the workpiece is not required to be arranged on a tool fixture, the workpiece can be polished only by grabbing the workpiece by the movable manipulator and providing movement and partial downward pressure, after one side is polished, the workpiece is overturned by 180 degrees through the cooperation of the overturning driving piece and the clamping arm of the overturning assembly, so that the movable manipulator clamps the polished side of the workpiece, and the other side is polished. According to the invention, a workpiece does not need to be installed in the tool clamp, and only the manipulator clamps the workpiece to move along the roller polishing device, so that the polishing efficiency is greatly improved, and the double-side polishing of the workpiece is completed by matching with the overturning assembly, therefore, the tool is strong in practicability.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a first angle structure of the roller grinding device according to the present invention.

Fig. 3 is a second angle structure diagram of the roller grinding device according to the present invention.

Fig. 4 is a schematic view of a partial first angle structure of the roller grinding device according to the present invention.

Fig. 5 is a schematic view of a second angle structure of a part of the roller grinding device according to the present invention.

Fig. 6 is a schematic structural view of the rotating frame of the present invention.

In the figure, 5, a moving robot; 501. a linear movement assembly; 502. a second lifting assembly; 503. a second chuck; 6. a roller polishing device; 601. a frame body; 602. a roller; 603. a second grinding assembly; 6031. a second motor; 6032. a second grinding roller; 6033. a rotating frame; 60333. a second rotating shaft; 604. polishing the power part; 605. a second belt assembly; 606. a transition roll; 7. a turnover assembly; 71. a frame; 72. turning over the driving piece; 73. and (4) clamping arms.

Detailed Description

As shown in fig. 1 to 6, the present invention includes a moving manipulator 5, a roller polishing device 6 and a turning assembly 7, wherein the moving manipulator 5 includes a linear moving assembly 501 and a second chuck 503, the turning assembly 7 includes a frame 71, a turning driving member 72 and a clamping arm 73, the moving manipulator 5 clamps a workpiece and linearly moves along the roller polishing device 6 for polishing, and then the workpiece is turned by the turning assembly 7 for polishing the back side.

According to the invention, the movable manipulator 5, the roller polishing device 6 and the turnover assembly 7 are arranged for polishing the upper surface and the lower surface of a workpiece such as a silver ingot, the workpiece is not required to be arranged on a tool fixture, the workpiece can be polished by only grabbing the workpiece by the movable manipulator 5 and providing movement and partial downward pressure, and after one side is polished, the workpiece is turned for 180 degrees by matching the turnover driving piece 72 and the clamping arm 73 of the turnover assembly 7, so that the movable manipulator 5 clamps the polished side of the workpiece, and the other side is polished. According to the invention, a workpiece does not need to be installed in the tool fixture, only the manipulator clamps the workpiece and moves along the roller polishing device 6, the polishing efficiency is greatly improved, the overturning assembly 7 is matched to complete double-side polishing of the workpiece, the practicability is strong, and the overturning driving piece 72 can be an air cylinder, a motor or a hydraulic cylinder.

The turnover assembly 7 is arranged on one side of the roller polishing assembly 6, the workpiece is pushed by the movable manipulator 5 to directly reach the station of the turnover assembly 7 after being polished, the working efficiency is improved, the movable manipulator 5 spans the roller polishing device 6 and the turnover assembly 7, and the movable manipulator 5 is guaranteed to finish polishing and turnover work.

7 one side of upset subassembly is provided with unloading conveyer belt 8, directly puts into after all polishing in both sides and carries out the unloading on the unloading conveyer belt 8, further improves work efficiency.

The roller grinding device 6 comprises a frame body 601, a second grinding assembly 603 and a plurality of rollers 602 which are sequentially arranged along the frame body 601, wherein the second grinding assembly 603 comprises a second motor 6031, a second grinding roller 6032 and a rotating frame 6033, one side of the rotating frame 6033 is hinged to the frame body 601, the other side of the rotating frame 6033 is rotatably connected with the second grinding roller 6032, the second grinding roller 6032 is parallel to the rollers 602, the second motor 6031 is connected with the second grinding roller 6032, the grinding device further comprises a driving rotating frame 6033 swinging grinding power part 604, and the moving direction of the linear moving assembly 501 is consistent with the arrangement direction of the plurality of rollers 602.

According to the roller grinding device 6, the plurality of rollers 602 which are parallel to the second grinding roller 6032 are arranged, so that a workpiece is convenient to support, the workpiece is ensured to be in contact with the second grinding roller 6032, meanwhile, support is provided for moving and feeding of the workpiece, the second grinding roller 6032 is arranged on the frame body 601 through the rotating frame 6033 which is hinged to one side of the frame body 601, the second grinding roller 6032 can rotate along the hinged position, the second grinding roller 6032 can lift towards the working face formed by the plurality of rollers 602, meanwhile, the grinding power part 604 is matched with the grinding power part 604, the grinding power part 604 preferably adopts a spring which is used for lifting the rotating frame 6033, the spring becomes a floating grinding device, and the second grinding roller 6032 is pulled upwards by the spring on the side face. Has the following effects: first, after the second grinding roller 6032 is used for a period of time, because the wear radius can become small, the floating grinding can compensate the height difference caused by the wear of the second grinding roller 6032, and the need of manual frequent adjustment is avoided. Secondly, workpiece surface has the unevenness, and self-adaptation follow-up regulation about the structure of polishing floats can realize, avoids sunken place to hit, and protruding place polishing dynamics increases suddenly or the card phenomenon of dying. And thirdly, the tension of the spring is adjusted, namely the pressure of the wheel and the workpiece can be adjusted, and then the adjustment of the polishing force is realized.

When the grinding machine is used, a workpiece moves along the plurality of rollers 602 through the manipulator until the workpiece is ground when passing through the second grinding roller 6032, a certain pressure is provided by the manipulator or the second grinding roller 6032 in the grinding process, so that the workpiece is in close contact with the second grinding roller 6032, the friction force is improved, meanwhile, the rest part of the workpiece is always matched with the plurality of rollers 602, the stability of the workpiece is ensured, the grinding precision is improved, and the burden of the manipulator is effectively reduced. According to the invention, a workpiece does not need to be installed in the tool fixture, and only the manipulator clamps the workpiece to move along the plurality of rollers 602, so that the polishing efficiency is greatly improved, and meanwhile, the positional relationship between the rollers 602 and the second polishing roller 6032 effectively improves the polishing stability and precision.

Gyro wheel grinding device 6 has set gradually a plurality of groups, and the second of adjacent gyro wheel grinding device 6 is polished the roller 6032 precision and is improved in proper order, through setting up multiunit gyro wheel grinding device 6, removes 5 once to remove the in-process at the manipulator and accomplishes the work piece by thick to smart polishing, very big improvement efficiency of polishing.

A transition roller 606 is arranged between every two roller grinding devices 6, so that the workpiece can be transited stably and smoothly when passing through the two roller grinding devices 6.

The mobile manipulator 5 further comprises a second lifting assembly 502 which is connected with the linear moving assembly 501 and the second clamping head 503, the linear moving assembly 501 is used for providing displacement of the workpiece, and the second lifting assembly 502 is used for clamping, blanking and forming pressure with the roller 602 and the second grinding roller 6032.

The overturning assembly 7 is arranged at the tail end of the roller grinding device 6, and after the workpiece is ground from coarse to fine, the manipulator grabs one side of the workpiece after being ground through the overturning assembly 7, so that the opposite side of the workpiece is ground conveniently.

The fixed setting of second motor 6031 is on support body 601, second motor 6031 output shaft and second polishing roller 6032 are connected through second belt assembly 605, in this embodiment, connect second motor 6031 and second polishing roller 6032 through second belt assembly 605, guarantee the security of polishing, the reciprocating of the very big second of being convenient for polishing roller 6032 simultaneously, polish the roller 6032 at the second and reciprocate the in-process, second motor 6031 need not to remove, guarantee the stability that second motor 6031 set up.

The axis of the second motor 6031 is coaxial with the swing axis of the rotating frame 6033, so that the second belt assembly 605 rotates synchronously with the rotating frame 6033 while the rotating frame 6033 rotates, relative static is further realized, the second belt assembly 605 does not need to be adjusted correspondingly when the rotating frame 6033 rotates, the structural complexity is simplified, and the second belt assembly 605 further comprises a tension pulley arranged on the rotating frame 6033, so that the belt of the second belt assembly 605 is always kept in tight fit with the driving wheel and the driven wheel.

The second belt assembly 605 further comprises a tension pulley arranged on the rotating frame 6033, so that the belt of the second belt assembly 605 is always in close fit with the driving wheel and the driven wheel.

The rotating frame 6033 further comprises a second rotating shaft 60333, and the second rotating shaft 60333 is arranged on the frame body 601 through a bearing seat and a bearing, so that the rotation smoothness of the rotating frame 6033 is improved.

A double-sided grinding method comprises a roller grinding device and also comprises the following steps:

s1, a movable manipulator 5 grabs a workpiece to move linearly along a roller polishing device 6, and one side of the workpiece is polished;

s2, the movable manipulator 5 grabs the workpiece into the clamping arm 71 of the turnover assembly 7, and the turnover driving piece 71 rotates for 180 degrees to turn over the workpiece;

and S3, the movable manipulator 5 grabs the workpiece from the clamping arm 71, repeats the step S1 again, and finally carries out blanking.

Specifically, the method comprises the following steps:

s1 specifically comprises the following steps: the movable manipulator 5 grabs the workpiece to move linearly along the arrangement direction of the rollers 602, and polishes the plane of the workpiece when passing through a second polishing roller 6032;

those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to imply that the scope of the application is limited to these examples; within the context of the present application, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments in the present application as described above, which are not provided in detail for the sake of brevity.

The one or more embodiments of the present application are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the present application. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present application are intended to be included within the scope of the present application.

Claims

1. A double-side polishing device is characterized by comprising a moving manipulator (5), a roller polishing device (6) and a turnover assembly (7), wherein the moving manipulator (5) comprises a linear moving assembly (501) and a second chuck (503), the turnover assembly (7) comprises a rack (71), a turnover driving piece (72) and a clamping arm (73), the moving manipulator (5) clamps a workpiece and linearly moves along the roller polishing device (6) for polishing, and after the workpiece is turned over through the turnover assembly (7), the moving manipulator clamps the workpiece and linearly moves along the roller polishing device, so that the reverse side is polished;

the overturning assembly (7) is arranged on one side of the roller polishing device (6), and the moving manipulator (5) spans the roller polishing device (6) and the overturning assembly (7) from the upper part;

the roller polishing device (6) comprises a frame body (601), a second polishing assembly (603) and a plurality of rollers (602) which are sequentially arranged along the frame body (601), wherein the second polishing assembly (603) comprises a second motor (6031), a second polishing roller (6032) and a rotating frame (6033), one side of the rotating frame (6033) is hinged with the frame body (601), the other side of the rotating frame is rotatably connected with the second polishing roller (6032), the second polishing roller (6032) is arranged in parallel with the rollers (602), the second motor (6031) is connected with the second polishing roller (6032), the roller polishing device further comprises a polishing power part (604) for driving the rotating frame (6033) to swing, and the moving direction of the linear moving assembly (501) is consistent with the arrangement direction of the rollers (602);

the roller grinding devices (6) are sequentially provided with a plurality of groups, and the precision of second grinding rollers (6032) of adjacent roller grinding devices (6) is sequentially improved;

a transition roller (606) is arranged between every two roller grinding devices (6).

2. A double side grinding device as in claim 1, characterized by the fact that the turning assembly (7) is provided with a blanking conveyor belt (8) on one side.

3. A double side grinding apparatus as in claim 1, characterized in that the mobile robot (5) further comprises a second lifting assembly (502) connecting the linear motion assembly (501) and the second chuck (503).

4. A double side grinding apparatus according to claim 1, wherein the second motor (6031) is fixedly arranged on the frame body (601), the output shaft of the second motor (6031) and the second grinding roller (6032) are connected by a second belt assembly (605), the axis of the second motor (6031) is coaxial with the swing axis of the rotating frame (6033), and the second belt assembly (605) further comprises a tension pulley arranged on the rotating frame (6033).

5. A double side grinding apparatus as in claim 4, wherein the turret (6033) further comprises a second shaft (60333), the second shaft (60333) being mounted to the frame (601) by means of a bearing mount and a bearing.