Device for adjusting the position of a ring polishing
By using clamping components and cylinder elements at the end of an industrial robot, the problems of clamping blind spots and scratches in wheel polishing equipment have been solved, enabling continuous double-sided polishing of wheel hubs and improving processing efficiency and results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG JINFEI INTELLIGENT MFG MOTORCYCLE WHEEL CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-06-05
Smart Images

Figure CN224322921U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wheel hub clamping technology, specifically to a device for adjusting the polishing position of a wheel hub. Background Technology
[0002] Wheel polishing is a process of refining the surface of a wheel rim using mechanical equipment and abrasive materials. The polishing machine utilizes a high-speed rotating polishing wheel in conjunction with polishing paste or wax to remove oxide layers, scratches, and minor imperfections from the wheel rim surface through friction, restoring its smoothness and enhancing its metallic texture. The process typically consists of three stages: rough polishing, medium polishing, and fine polishing. Rough polishing uses coarser sandpaper or hard polishing wheels to quickly remove deep defects; medium polishing uses medium-grit abrasive materials to further smooth the surface; and fine polishing uses soft polishing wheels and fine abrasives to achieve a mirror finish. During operation, the polishing machine's speed, pressure, and movement trajectory must be controlled to avoid localized overheating or excessive wear. For aluminum alloy wheels, chemical polishing or electrolytic polishing may be added as auxiliary processes to enhance gloss. After polishing, the wheel rim must be thoroughly cleaned and a protective agent applied to prevent oxidation. The entire process requires skilled operators to ensure both the aesthetics and structural integrity of the wheel rim are maintained.
[0003] Application announcement number CN110039453A discloses an automatic water polishing machine for wheel hubs. According to its instruction manual and drawings, the operator only needs to stand in one place and rotate the ring to install the wheel hub, eliminating the need to rotate the wheel hub in a circle, thus improving the efficiency of wheel hub polishing. In addition, a turbine drives a powerful nozzle to polish the wheel hub.
[0004] However, there are still some limitations in the solution: 1. After the wheel hub clamping mechanism is clamped, it remains in the same position from the start to the end of polishing. This design will reduce the final polishing effect of subsequent workpieces; 2. How to avoid interference with the polishing equipment when the wheel hub changes position and reduce scratches on the wheel hub surface are also issues that need to be considered. Summary of the Invention
[0005] This invention addresses the limitations of polishing machines in polishing wheel hubs by proposing a device for adjusting the polishing position of the polishing ring. The device uses a first clamping component at the end of an industrial robot to flip the workpiece, enabling continuous double-sided polishing of the workpiece on the polishing machine.
[0006] The objective of this invention is achieved through the following technical solution: a device for adjusting the polishing position of a wheel hub, comprising a flange connector connected to the end of an industrial robot and a polishing machine disposed on one side of the industrial robot, a clamping support disposed on one side of the flange connector, the polishing machine being provided with a second clamping assembly capable of automatically clamping and releasing the wheel hub, the surface of the clamping support being provided with a plurality of slidable cylinder elements, the cylinder elements being provided with a first clamping assembly capable of clamping or releasing the wheel hub, wherein the first clamping assembly does not interfere with the second clamping assembly when clamping the wheel hub on the second clamping assembly.
[0007] Preferably, the clamping support includes a first support plate and a second support plate, with the second support plate provided on both sides of the first support plate, and a plurality of cylinder elements disposed between the second support plates. This arrangement is to enable the cylinder elements to control the first clamping assembly to complete the clamping of the wheel hub.
[0008] Preferably, a third support plate is provided in the middle of the first support plate, and a cylinder element is provided between each of the third support plates and the second support plate, with the end of the piston rod of the cylinder element connected to the second support plate.
[0009] Preferably, each of the third support plates is provided with a sliding guide rod between it and the second support plate. The cylinder body of the cylinder element is provided with several sliding through holes. Each sliding through hole is slidably connected to the sliding guide rod. The cylinder body of the cylinder element is also provided with several mounting holes on one side. The first clamping assembly is connected to the cylinder element through the mounting holes. This arrangement is to facilitate the replacement of the first clamping assembly that is damaged later.
[0010] Preferably, the first clamping assembly includes a plurality of first clamping arms, a cylinder connecting plate and clamping rollers. One end of each first clamping arm is provided with a cylinder connecting plate connected to a mounting hole, and the other end of the first clamping arm is provided with a plurality of roller support plates. Clamping rollers are rotatably provided between adjacent roller support plates.
[0011] Preferably, the second clamping assembly includes a chuck body, sliding jaws, a workpiece support plate, and a clamping block. The chuck body is provided with a plurality of sliding jaws that can slide, and each sliding jaw is also provided with a workpiece support plate on its surface. Each workpiece support plate is provided with a clamping block at its end, which can clamp the workpiece. The second clamping assembly uses a pneumatic chuck to clamp the workpiece.
[0012] Preferably, the flange connector includes a flange connecting plate, a support column, a locking support plate, and reinforcing ribs. The flange connecting plate has a support column in the middle, and one end of the support column has a locking support plate that can be detachably connected to the first support plate. Several reinforcing ribs are provided between the support column and the locking support plate. This arrangement is to enhance the connection strength between the flange connector and the clamping support.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. Traditional polishing machines have a polishing blind spot on the back of the workpiece due to the fixed clamping method (requiring secondary clamping); this solution uses the first clamping component at the end of the industrial robot to complete the flipping operation of the workpiece, realizing continuous double-sided polishing of the workpiece on the polishing machine, which not only improves processing efficiency, but also improves the final polishing effect.
[0015] 2. When the industrial robot is flipping the surface using the first gripping component, compared with traditional mechanical grippers, the gripping roller can rotate relative to the surface of the first gripping arm, thus reducing the risk of scratches on the wheel hub edge, making it suitable for easily deformable materials such as aluminum alloy. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the first clamping component of this utility model clamping a workpiece on a polishing machine;
[0017] Figure 2 This is a perspective view of the present utility model;
[0018] Figure 3 This is a perspective view of the present utility model;
[0019] Figure 4 This is a perspective view of the present invention after the second support plate and the first clamping assembly have been removed.
[0020] The diagram shows the following components: 1. Flange connector; 11. Flange connecting plate; 12. Support column; 13. Locking support plate; 14. Reinforcing rib; 2. Polishing machine; 3. Clamping support; 31. First support plate; 32. Second support plate; 33. Third support plate; 34. Sliding guide rod; 4. First clamping assembly; 41. First clamping arm; 42. Cylinder connecting plate; 43. Clamping roller; 44. Roller support plate; 5. Cylinder element; 51. Sliding through hole; 52. Mounting hole; 6. Second clamping assembly; 61. Chuck body; 62. Sliding jaw; 63. Workpiece support plate; 64. Clamping block. Detailed Implementation
[0021] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:
[0022] like Figure 1 and Figure 2 As shown, a device for adjusting the polishing position of a wheel hub includes a flange connector 1 connected to the end of an industrial robot and a polishing machine 2 disposed on one side of the industrial robot, a clamping support 3 disposed on one side of the flange connector 1, and a first clamping assembly 4 on the polishing machine 2 capable of automatically clamping and releasing the wheel hub.
[0023] After the second clamping component 6 on the polishing machine 2 clamps the workpiece, the second clamping component 6 rotates under the drive of the transmission structure inside the polishing machine 2. During the rotation, the second clamping component 6 immerses the workpiece into the abrasive drum of the polishing machine 2. The abrasive drum uses water flow to drive the particles to uniformly grind the inner and outer surfaces of the hub, thoroughly removing the tool marks and micro-defects left by the machine tool processing.
[0024] Please refer to Figure 3 The second clamping assembly 6 includes a chuck body 61, sliding jaws 62, a workpiece support plate 63, and a clamping block 64. The chuck body 61 is provided with a plurality of sliding jaws 62 that can slide on it. Each sliding jaw 62 is also provided with a workpiece support plate 63 on its surface. Each workpiece support plate 63 is provided with a clamping block 64 at its end that can clamp the workpiece.
[0025] Clamping process: Compressed air enters the chuck body 61 through the pneumatic control valve, pushing the piston shaft inside the chuck body 61 to retract, which in turn drives the pull rod inside the chuck body 61 to move backward. Then, the pull rod inside the chuck body 61 drives the sliding jaw 62 to retract inward through the wedge block or connecting rod until the clamping block 64 of the workpiece support plate 63 moves towards the center to clamp the workpiece.
[0026] Release process: The pneumatic control valve switches the air path, causing the gas in the chuck body 61 to be discharged. The piston shaft in the chuck body 61 is reset under the action of the spring or the reverse air pressure. Then, it drives the pull rod in the chuck body 61 to push forward. Then, the pull rod in the chuck body 61 drives the sliding jaw 62 to move outward through the wedge block or connecting rod until the clamping block 64 of the workpiece support plate 63 expands outward, thereby releasing the workpiece.
[0027] The flange connector 1 includes a flange connecting plate 11, a support column 12, a locking support plate 13, and reinforcing ribs 14. The flange connecting plate 11 has a support column 12 in the middle. One end of the support column 12 is provided with a locking support plate 13 that can be detachably connected to the first support plate 31. Several reinforcing ribs 14 are provided between the support column 12 and the locking support plate 13.
[0028] The flange connecting plate 11 is detachably connected to the end of the industrial robot, and the locking support plate 13 is detachably connected to one side of the flange connector 1 by bolt locking. The reinforcing rib 14 can increase the support strength between the locking support plate 13 and the support column 12.
[0029] Please continue to refer to this. Figure 3 and Figure 4 The surface of the clamping support 3 is provided with two sliding cylinder elements 5. The cylinder elements 5 are provided with a second clamping assembly 6 that can clamp or release the wheel hub. The first clamping assembly 4 will not interfere with the second clamping assembly 6 when clamping the wheel hub on the second clamping assembly 6.
[0030] In this embodiment, the clamping support 3 includes a first support plate 31 and a second support plate 32. The second support plate 32 is provided on both sides of the first support plate 31, and a plurality of cylinder elements 5 are disposed between the second support plates 32. A third support plate 33 is also provided in the middle of the first support plate 31. A cylinder element 5 is provided between each third support plate 33 and the second support plate 32, and the end of the piston rod of the cylinder element 5 is connected to the second support plate 32.
[0031] During the sliding process of the piston rod of cylinder element 5, since the piston rod of cylinder element 5 is fixedly connected to the side of the second support plate 32, the movement of the piston rod of cylinder element 5 can pull the entire cylinder element 5 to change position. Therefore, the position of the first clamping assembly 4 installed on the side wall of each cylinder element 5 will change simultaneously. The change in distance between adjacent first clamping assemblies 4 can complete the clamping or releasing of the workpiece.
[0032] In this embodiment, a sliding guide rod 34 is provided between each of the third support plate 33 and the second support plate 32. The cylinder body of the cylinder element 5 is provided with a plurality of sliding through holes 51. Each sliding through hole 51 is slidably connected to the sliding guide rod 34. A plurality of mounting holes 52 are also provided on one side of the cylinder body of the cylinder element 5. The first clamping assembly 4 is connected to the cylinder element 5 through the mounting holes 52.
[0033] During the process of the piston rod of cylinder element 5 pulling the entire cylinder element 5 to change its position, the sliding through hole 51 on the cylinder body of cylinder element 5 slides on the surface of the sliding guide rod 34. The sliding guide rod 34 can support and guide cylinder element 5, ensuring that cylinder element 5 does not wobble during the sliding process.
[0034] Please refer to Figure 4In this embodiment, the first clamping assembly 4 includes a plurality of first clamping arms 41, a cylinder connecting plate 42 and clamping rollers 43. One end of each first clamping arm 41 is provided with a cylinder connecting plate 42 connected to the mounting hole 52, and the other end of the first clamping arm 41 is provided with a plurality of roller support plates 44. Clamping rollers 43 are rotatably provided between adjacent roller support plates 44.
[0035] Since the cylinder element 5 has a large number of mounting holes 52 on one side of the cylinder body, the cylinder body connecting plate 42 can select the appropriate area of mounting holes 52 for installation during the installation process, so that the initial position of the adjacent first clamping arm 41 changes after installation, so as to clamp workpieces of different specifications.
[0036] When several cylinder elements 5 drive the first clamping arm 41 to clamp the workpiece via the cylinder connecting plate 42, the clamping roller 43 will be tightly attached to the side wall of the workpiece. Since the clamping roller 43 can rotate relative to the surface of the first clamping arm 41, wear on the surface of the workpiece is avoided while ensuring the clamping function.
[0037] Working principle and usage of this utility model:
[0038] When the polishing machine 2 is in operation, the second clamping assembly 6 always clamps the workpiece. After the end face of the workpiece in the first direction has been processed to the specified state, the industrial robot controls the first clamping assembly 4 to change position. After reaching the specified position, the piston rod of the cylinder element 5 pulls the entire cylinder element 5 to change position, causing the initial position of each first clamping arm 41 to change. When the cylinder element 5 drives the first clamping arms 41 to clamp the workpiece through the cylinder connecting plate 42, the clamping rollers 43 will be tightly pressed against the side wall of the workpiece.
[0039] Next, the second clamping component 6 releases its grip on the workpiece. Then, the industrial robot controls the workpiece held by the first clamping component 4 to be mirrored and flipped, and then put back into the second clamping component 6 for clamping. Then, the polishing machine 2 resumes its working state to polish the workpiece. Polishing the front and back sides makes the final effect of the workpiece better.
[0040] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. A device for adjusting the polishing position of a polishing ring, comprising a flange connector (1) connected to the end of an industrial robot and a polishing machine (2) disposed on one side of the industrial robot, and a clamping support (3) disposed on one side of the flange connector (1), characterized in that, The polishing machine (2) is provided with a second clamping assembly (6) that can automatically clamp and release the wheel hub. The surface of the clamping support (3) is provided with a plurality of slidable cylinder elements (5). The cylinder elements (5) are provided with a first clamping assembly (4) that can clamp or release the wheel hub. The first clamping assembly (4) will not interfere with the second clamping assembly (6) when clamping the wheel hub on the second clamping assembly (6).
2. The device for adjusting the polishing position of the friction ring according to claim 1, characterized in that, The clamping support (3) includes a first support plate (31) and a second support plate (32). The second support plate (32) is provided on both sides of the first support plate (31), and a plurality of cylinder elements (5) are arranged between the second support plates (32).
3. The device for adjusting the polishing position of the friction ring according to claim 2, characterized in that, The first support plate (31) is also provided with a third support plate (33) in the middle. Each of the third support plates (33) and the second support plate (32) is provided with a cylinder element (5). The end of the piston rod of the cylinder element (5) is connected to the second support plate (32).
4. The device for adjusting the polishing position of the friction ring according to claim 3, characterized in that, Each of the third support plate (33) and the second support plate (32) is provided with a sliding guide rod (34). The cylinder body of the cylinder element (5) is provided with a plurality of sliding through holes (51). Each of the sliding through holes (51) is slidably connected to the sliding guide rod (34). The cylinder body of the cylinder element (5) is also provided with a plurality of mounting holes (52). The first clamping assembly (4) is connected to the cylinder element (5) through the mounting holes (52).
5. The device for adjusting the polishing position of the friction ring according to claim 4, characterized in that, The first clamping assembly (4) includes a plurality of first clamping arms (41), a cylinder connecting plate (42) and clamping rollers (43). One end of each first clamping arm (41) is provided with a cylinder connecting plate (42) connected to a mounting hole (52), and the other end of the first clamping arm (41) is provided with a plurality of roller support plates (44). Clamping rollers (43) are rotatably provided between adjacent roller support plates (44).
6. The device for adjusting the polishing position of the friction ring according to claim 5, characterized in that, The second clamping assembly (6) includes a chuck body (61), sliding jaws (62), a workpiece support plate (63), and a clamping block (64). The chuck body (61) is provided with a plurality of sliding jaws (62), and each sliding jaw (62) is also provided with a workpiece support plate (63) on its surface. Each workpiece support plate (63) is provided with a clamping block (64) at its end.
7. The device for adjusting the polishing position of the friction ring according to claim 6, characterized in that, The flange connector (1) includes a flange connecting plate (11), a support column (12), a locking support plate (13), and reinforcing ribs (14). The flange connecting plate (11) has a support column (12) in the middle. One end of the support column (12) is provided with a locking support plate (13) that can be detachably connected to the first support plate (31). Several reinforcing ribs (14) are provided between the support column (12) and the locking support plate (13).