Polishing tool of polisher with adjustable direction

By designing the steering and clamping structures and combining them with servo motor drive, multi-directional grinding and precise clamping of bearings are achieved, solving the problem of incomplete grinding in existing technologies and improving the grinding efficiency and comprehensiveness of bearings.

CN223863550UActive Publication Date: 2026-02-03LIAOYUAN CITY STEEL BACK BEARING CO LTD
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Patent Information

Application Number
CN202423182011.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-02-03
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing technology cannot thoroughly grind the outer diameter and sides of the bearing, and lacks directional adjustment function, resulting in key areas not being effectively ground.

Method used

It adopts a steering structure, clamping structure and grinding structure. The direction is adjusted by rack, first lead screw, sector gear and directional rod. Combined with servo motor drive, it realizes multi-directional grinding and precise clamping of bearings, and uses grinding blocks for efficient grinding.

Benefits of technology

It achieves comprehensive grinding on both sides of the bearing, and can adjust the grinding direction of key areas as needed to adapt to bearings of different sizes, thus improving the thoroughness and efficiency of grinding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of bearing machining, and discloses a direction-adjustable polishing tool of a polishing machine, which comprises a table body and a steering structure, the table body is arranged above the bottom surface and used for bearing, the steering structure is arranged above the table body and used for adjusting the direction, and the steering structure comprises a rack, a first screw rod, a sector gear and a direction adjusting rod. One end of the first lead screw penetrates through the rack and is in threaded connection with the rack, the rack is meshed with the sector gear, one end of the direction adjusting rod rotates through the top face of the sector gear and is fixedly connected with the sector gear, the bottom end of the direction adjusting rod is rotationally connected with the top face of the table body, the direction adjusting rod drives the clamping structure to rotate, and the bearing can be ground in different directions. The two sides of the bearing can be polished, polishing is more thorough, and polishing is more comprehensive by adjusting the direction of the bearing to polish the area needing key polishing.
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Description

Technical Field

[0001] This utility model belongs to the field of bearing processing technology, specifically, it relates to an adjustable polishing tool for a polishing machine. Background Technology

[0002] An adjustable polishing fixture is a device specifically designed for bearing processing. A bearing polishing machine is a specialized machine used to process bearings, improving their precision and quality through grinding and polishing processes.

[0003] This utility model relates to the field of bearing polishing technology and proposes a bearing polishing machine (CN202222711352.0), including a base and a first support plate. The first support plate is fixedly connected to the top of the base. A motor is fixedly connected to one side of the first support plate. A first bevel gear is fixedly connected to the output end of the motor. A first rotating rod is rotatably connected to the side of the first support plate below the motor. A second rotating rod is rotatably connected to the side of the first support plate below the first rotating rod. A second bevel gear is fixedly connected to the side of the first rotating rod close to the first support plate. The first bevel gear and the second bevel gear are meshed. A first gear is fixedly connected to the side of the first rotating rod away from the first support plate.

[0004] Existing technology can only grind the outer diameter of the bearing, making it inconvenient to grind the sides of the bearing, resulting in incomplete grinding. Furthermore, existing technology lacks directional adjustment functionality, making it impossible to adjust the direction for areas of the bearing that require focused grinding.

[0005] In view of this, this utility model is hereby proposed. Utility Model Content

[0006] To solve the aforementioned technical problems of incomplete sanding and inability to sand key areas, the basic concept of the technical solution adopted by this utility model is: a table body, which is set above the bottom surface to support the weight;

[0007] The steering mechanism is located above the table to adjust the direction. The steering mechanism includes a rack, a first lead screw, a sector gear, and a steering rod. One end of the first lead screw passes through the rack and is threadedly connected to the rack. The rack meshes with the sector gear. One end of the steering rod rotates over the top surface of the sector gear and is fixedly connected to the sector gear. The bottom end of the steering rod is rotatably connected to the top surface of the table.

[0008] The clamping structure is located on one side of the steering structure to clamp the bearing. The clamping structure includes a clamping block box and a locking block. There are two clamping blocks. One side of the clamping block is provided with an inner round rod. The locking block is located on the outer wall of the inner round rod. The locking block and the inner round rod are elastically connected.

[0009] The grinding structure is located on one side of the clamping structure and is used to grind the bearing.

[0010] In a preferred embodiment of this utility model, the steering structure further includes a connecting rod and a first servo motor. A connecting rod is provided at each corner of one side of the table body. The bottom surfaces of the two connecting rods are fixedly connected to the top surface of the table body. A first lead screw is provided between the two connecting rods and is rotatably connected to the two connecting rods. The first servo motor is fixedly mounted on one side of a connecting rod by a bracket. The rotating shaft of the first servo motor passes through one side of the connecting rod and is fixedly connected to one end of the first lead screw.

[0011] In a preferred embodiment of the present invention, the clamping structure includes a steering block, a rotating rod, and a rotating plate. One side of the inner wall of the steering block is rotatably connected to one end of the rotating rod, and the other end of the rotating rod is fixedly connected to the rotating plate. Two arc-shaped grooves are provided on one side of the rotating plate, and a sliding rod is provided on the inner wall of each of the two arc-shaped grooves. The walls of the two sliding rods are slidably connected to the corresponding arc-shaped grooves.

[0012] In a preferred embodiment of this utility model, the clamping structure further includes a second servo motor and an opening and closing plate. A movable groove is provided on each side of the inner wall of the steering block. There are two opening and closing plates, and the upper and lower sides of the two opening and closing plates are slidably connected to a movable groove. The other ends of the two sliding rods are fixedly connected to one side of one opening and closing plate. The second servo motor is fixedly mounted on one side of the steering block by a bracket. The rotating shaft of the second servo motor passes through the steering block and is rotatably connected to the steering block. The rotating shaft of the second servo motor is fixedly connected to the rotating rod.

[0013] In a preferred embodiment of the present invention, the clamping structure further includes a clamping plate and a third servo motor. The other side of the two opening and closing plates is fixedly connected to one end of the clamping plate. The opposite side of the two clamping plates is fixedly connected to one side of a clamping block. The third servo motor is fixedly mounted on the side of the clamping plate near the inner round rod by a bracket. The rotating shaft of the third servo motor passes through the clamping plate and is fixedly connected to the clamping block. The rotating shaft of the third servo motor is rotatably connected to the clamping plate.

[0014] In a preferred embodiment of this utility model, there are several locking blocks arranged in a ring on the outer wall of the inner circular rod. Each locking block is provided with a spring and a guide rod between it and the inner circular rod. The guide rod is located in the middle of the spring. One end of the guide rod and the spring is fixedly connected to the locking block, and the other end of the guide rod and the spring is fixedly connected to the wall of the inner circular rod.

[0015] In a preferred embodiment of this utility model, the polishing structure includes a support plate, a fixture, a polishing block, and a second lead screw. The bottom surface of the support plate is fixedly connected to the top surface of the table body. The second lead screw passes through one side of the support plate and is threadedly connected to the support plate. One end of the second lead screw is fixedly connected to one side of the fixture. The polishing block is disposed on the inner wall of the fixture, and both sides of the polishing block are rotatably connected to both sides of the inner wall of the fixture. A fifth servo motor is fixedly mounted on one side of the fixture. The rotating shaft of the fifth servo motor passes through one side of the fixture and is fixedly connected to one side of the polishing block. The rotating shaft of the fifth servo motor is rotatably connected to the fixture.

[0016] In a preferred embodiment of the present invention, the grinding structure further includes a fourth servo motor, a first gear, and a second gear. The fourth servo motor is fixedly mounted on one side of the support plate by a bracket. The rotating shaft of the fourth servo motor is fixedly connected to the first gear. The first gear meshes with the second gear. Both the first gear and the second gear are rotatably connected to one side of the support plate. One end of the second lead screw passes through the middle of the second gear and is fixedly connected to the second gear.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. The adjusting rod drives the clamping structure to rotate, and the bearing can be ground in a different direction. Both sides of the bearing can be ground, making the grinding more thorough. For areas that need special grinding, the bearing direction can be adjusted for grinding, making the grinding more comprehensive.

[0019] 2. Place the inner circle of the bearing onto the inner circle rod. The inner circle of the bearing presses against the locking block. Multiple locking blocks support the inner circle of the bearing, locking the bearing in place. Due to the action of the spring, bearings of different sizes can be locked together for grinding.

[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0021] In the attached diagram:

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the steering structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the clamping structure of this utility model;

[0025] Figure 4 This is a partial schematic diagram of the clamping structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the inner circular rod of this utility model;

[0027] Figure 6 This is a schematic diagram of the grinding structure of this utility model.

[0028] In the diagram: 1. Table body; 2. Support plate; 3. Connecting rod; 4. Rack; 5. First servo motor; 6. First lead screw; 7. Sector gear; 8. Adjusting rod; 9. Steering block; 10. Second servo motor; 11. Moving groove; 12. Rotating rod; 13. Rotating plate; 14. Arc groove; 15. Sliding rod; 16. Opening and closing plate; 17. Clamping plate; 18. Third servo motor; 19. Clamping block; 20. Inner round rod; 21. Locking block; 22. Spring; 23. Guide rod; 24. Fourth servo motor; 25. Second lead screw; 26. First gear; 27. Second gear; 28. Fixing device; 29. ​​Grinding block; 30. Fifth servo motor. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0030] An adjustable-direction polishing fixture, such as Figure 1 and Figure 2 As shown, a table body 1 is positioned above the bottom surface for load-bearing. A steering structure is positioned above the table body 1 for adjusting direction. The steering structure includes a rack 4, a first lead screw 6, a sector gear 7, and a steering rod 8. One end of the first lead screw 6 passes through the rack 4 and is threadedly connected to it. The rack 4 meshes with the sector gear 7. One end of the steering rod 8 rotates over the top surface of the sector gear 7 and is fixedly connected to it. The bottom end of the steering rod 8 is rotatably connected to the top surface of the table body 1. The steering structure also includes a connecting rod 3 and a first servo motor 5. A connecting rod 3 is provided at each corner of one side of the table body 1. The bottom surfaces of the two connecting rods 3 are fixedly connected to the top surface of the table body 1. The first lead screw 6 is positioned between the two connecting rods 3 and is rotatably connected to them. The first servo motor 5 is fixed to one side of a connecting rod 3 by a bracket. The rotating shaft of the first servo motor 5 passes through one side of the connecting rod 3 and is fixedly connected to one end of the first lead screw 6.

[0031] Turn on the power to the first servo motor 5. The first servo motor 5 is a forward and reverse servo motor. The rotating shaft of the first servo motor 5 drives the first lead screw 6 to rotate. The first lead screw 6 drives the rack 4 to move. The rack 4 drives the gear 7 and the adjusting rod 8 to rotate. The adjusting rod 8 drives the clamping structure to rotate. The bearing can be ground in a different direction. Both sides of the bearing can be ground, making the grinding more thorough. For areas that need to be ground in particular, the bearing direction can be adjusted for grinding to make the grinding more comprehensive.

[0032] An adjustable-direction polishing fixture, such as Figure 1 , Figure 3 , Figure 4 and Figure 5 As shown, a clamping structure is installed on one side of the steering structure to clamp the bearing. The clamping structure includes two clamping blocks 19 and two locking blocks 21. One clamping block 19 has an inner circular rod 20 on one side, and the locking block 21 is located on the outer wall of the inner circular rod 20. The locking block 21 and the inner circular rod 20 are elastically connected. The clamping structure also includes a steering block 9, a rotating rod 12, and a rotating plate 13. One side of the inner wall of the steering block 9 is rotatably connected to one end of the rotating rod 12, and the other end of the rotating rod 12 is fixedly connected to the rotating plate 13. Two arc-shaped grooves 14 are formed on one side of the 13. A sliding rod 15 is provided on the inner wall of each of the two arc-shaped grooves 14. The walls of the two sliding rods 15 are slidably connected to the corresponding arc-shaped grooves 14. The clamping structure also includes a second servo motor 10 and opening / closing plates 16. A moving groove 11 is formed on each side of the inner wall of the steering block 9. There are two opening / closing plates 16. The upper and lower sides of each of the two opening / closing plates 16 are slidably connected to a moving groove 11. The other ends of each of the two sliding rods 15 are fixedly connected to one side of an opening / closing plate 16. The second servo... Motor 10 is fixed to one side of steering block 9 by a bracket. The rotating shaft of the second servo motor 10 passes through steering block 9 and is rotatably connected to steering block 9. The rotating shaft of the second servo motor 10 is fixedly connected to rotating rod 12. The clamping structure also includes clamping plate 17 and third servo motor 18. The other side of two opening and closing plates 16 is fixedly connected to one end of clamping plate 17. The opposite sides of the two clamping plates 17 are each fixedly connected to one side of a clamping block 19. The third servo motor 18 is fixed to one side of clamping plate 17 near inner round rod 20 by a bracket. The rotating shaft of the third servo motor 18 passes through the clamping plate 17 and is fixedly connected to the clamping block 19. The rotating shaft of the third servo motor 18 is rotatably connected to the clamping plate 17. There are several clamping blocks 21 distributed in a ring on the outer wall of the inner circular rod 20. A spring 22 and a guide rod 23 are provided between each clamping block 21 and the inner circular rod 20. The guide rod 23 is located in the middle of the spring 22. One end of the guide rod 23 and the spring 22 is fixedly connected to the clamping block 21, and the other end of the guide rod 23 and the spring 22 is fixedly connected to the wall of the inner circular rod 20.

[0033] The inner circle of the bearing is fitted onto the inner circle rod 20, and the inner circle of the bearing presses against the locking block 21. Multiple locking blocks 21 support the inner circle of the bearing, locking the bearing in place. The power of the second servo motor 10 is turned on, and the rotating shaft of the second servo motor 10 drives the rotating rod 12 and the rotating plate 13 to rotate. The two sliding rods 15 move in the two arc-shaped grooves 14, and the two sliding rods 15 drive the corresponding opening and closing plates 16 to move and open and close in the moving grooves 11. The clamping plate 17 and the clamping block 19 also move accordingly, clamping and fixing the bearing according to its size. The power of the third servo motor 18 is turned on, and the third servo motor 18 drives the clamping block 19, the round rod 20, and the bearing to rotate accordingly.

[0034] An adjustable-direction polishing fixture, such as Figure 1 and Figure 6 As shown, a grinding structure is installed on one side of the clamping structure for grinding the bearing. The grinding structure includes a support plate 2, a fixture 28, a grinding block 29, and a second lead screw 25. The bottom surface of the support plate 2 is fixedly connected to the top surface of the table body 1. The second lead screw 25 passes through one side of the support plate 2 and is threadedly connected to the support plate 2. One end of the second lead screw 25 is fixedly connected to one side of the fixture 28. The grinding block 29 is installed on the inner wall of the fixture 28, and both sides of the grinding block 29 are rotatably connected to both sides of the inner wall of the fixture 28. A fifth servo motor 30 is fixedly installed on one side of the fixture 28. The rotation shaft of the fifth servo motor 30... One side of the fixture 28 is fixedly connected to one side of the grinding block 29. The rotating shaft of the fifth servo motor 30 is rotatably connected to the fixture 28. The grinding structure also includes a fourth servo motor 24, a first gear 26, and a second gear 27. The fourth servo motor 24 is fixedly mounted on one side of the support plate 2 by a bracket. The rotating shaft of the fourth servo motor 24 is fixedly connected to the first gear 26. The first gear 26 meshes with the second gear 27. Both the first gear 26 and the second gear 27 are rotatably connected to one side of the support plate 2. One end of the second lead screw 25 passes through the middle of the second gear 27 and is fixedly connected to the second gear 27.

[0035] Turn on the power to the fifth servo motor 30. The rotating shaft of the fifth servo motor 30 drives the first gear 26 to rotate. The first gear 26 drives the second gear 27 to rotate. The second gear 27 drives the second lead screw 25 to move. The second lead screw 25 drives the fixture 28, the grinding block 29 and the fifth servo motor 30 to move. Adjust the grinding block 29 to a suitable position according to the bearing size to improve grinding efficiency. Turn on the power to the fifth servo motor 30. The fifth servo motor 30 drives the grinding block 29 to rotate.

[0036] The working principle of this utility model is as follows: When the power to the first servo motor 5 is turned on, the rotating shaft of the first servo motor 5 drives the first lead screw 6 to rotate. The first lead screw 6 drives the rack 4 to move, the rack 4 drives the gear 7 and the adjusting rod 8 to rotate, and the adjusting rod 8 drives the clamping structure to rotate. The bearing can be ground in a different direction, and both sides of the bearing can be ground more thoroughly. The inner circle of the bearing is fitted onto the inner circle rod 20, and the inner circle of the bearing presses against the locking block 21. Multiple locking blocks 21 support the inner circle of the bearing, locking the bearing in place. Due to the action of the spring 22, bearings of different sizes can be locked together for grinding. When the power to the second servo motor 10 is turned on, the rotating shaft of the second servo motor 10 drives the rotating rod 12 and the rotating plate 13 to rotate. The two sliding rods 15 move within the two arc-shaped grooves 14. The corresponding opening and closing plate 16 moves and opens / closes within the moving slot 11, causing the clamping plate 17 and clamping block 19 to move accordingly. The bearing is clamped and fixed according to its size. The power of the third servo motor 18 is turned on, causing the clamping block 19 and the round rod 20 to rotate, and the bearing to rotate accordingly. The power of the fifth servo motor 30 is turned on, causing the rotating shaft of the fifth servo motor 30 to rotate the first gear 26, which in turn rotates the second gear 27. The second gear 27 then moves the second lead screw 25, which in turn moves the fixing device 28, the grinding block 29, and the fifth servo motor 30. The grinding block 29 is adjusted to a suitable position according to the bearing size to improve grinding efficiency. The power of the fifth servo motor 30 is turned on, causing the grinding block 29 to rotate.

[0037] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An adjustable-direction polishing fixture for a polishing machine, characterized in that, include Table body (1), the table body (1) is set above the bottom surface to support the weight; The steering structure is set above the table (1) to adjust the direction. The steering structure includes a rack (4), a first lead screw (6), a sector gear (7) and a steering rod (8). One end of the first lead screw (6) passes through the rack (4) and is threadedly connected to the rack (4). The rack (4) meshes with the sector gear (7). One end of the steering rod (8) rotates over the top surface of the sector gear (7) and is fixedly connected to the sector gear (7). The bottom end of the steering rod (8) is rotatably connected to the top surface of the table (1). The clamping structure is set on one side of the steering structure to clamp the bearing. The clamping structure includes a clamping block (19) box and a locking block (21). There are two clamping blocks (19). One side of the clamping block (19) is provided with an inner round rod (20). The locking block (21) is set on the outer wall of the inner round rod (20). The locking block (21) and the inner round rod (20) are elastically connected. The grinding structure is located on one side of the clamping structure and is used to grind the bearing.

2. The adjustable polishing fixture for a polishing machine according to claim 1, characterized in that, The steering structure also includes a connecting rod (3) and a first servo motor (5). A connecting rod (3) is provided on each side corner of the table body (1). The bottom surfaces of the two connecting rods (3) are fixedly connected to the top surface of the table body (1). A first lead screw (6) is provided between the two connecting rods (3) and is rotatably connected to the two connecting rods (3). The first servo motor (5) is fixed on one side of a connecting rod (3) by a bracket. The rotation shaft of the first servo motor (5) passes through one side of the connecting rod (3) and is fixedly connected to one end of the first lead screw (6).

3. The adjustable polishing fixture for a polishing machine according to claim 2, characterized in that, The clamping structure includes a steering block (9), a rotating rod (12), and a rotating plate (13). One side of the inner wall of the steering block (9) is rotatably connected to one end of the rotating rod (12), and the other end of the rotating rod (12) is fixedly connected to the rotating plate (13). Two arc-shaped grooves (14) are opened on one side of the rotating plate (13). A sliding rod (15) is provided on the inner wall of each of the two arc-shaped grooves (14), and the wall surfaces of the two sliding rods (15) are slidably connected to the corresponding arc-shaped grooves (14).

4. The adjustable-direction polishing fixture for a polishing machine according to claim 3, characterized in that, The clamping structure also includes a second servo motor (10) and an opening and closing plate (16). A moving groove (11) is provided on each side of the inner wall of the steering block (9). There are two opening and closing plates (16). The upper and lower sides of the two opening and closing plates (16) are slidably connected to a moving groove (11). The other end of the two sliding rods (15) is fixedly connected to one side of the opening and closing plate (16). The second servo motor (10) is fixedly mounted on one side of the steering block (9) by a bracket. The rotating shaft of the second servo motor (10) passes through the steering block (9) and is rotatably connected to the steering block (9). The rotating shaft of the second servo motor (10) is fixedly connected to the rotating rod (12).

5. The adjustable polishing fixture for a polishing machine according to claim 4, characterized in that, The clamping structure also includes a clamping plate (17) and a third servo motor (18). The other side of the two opening and closing plates (16) is fixedly connected to one end of the clamping plate (17). The opposite side of the two clamping plates (17) is fixedly connected to one side of a clamping block (19). The third servo motor (18) is fixedly mounted on the side of the clamping plate (17) near the inner round rod (20) by a bracket. The rotating shaft of the third servo motor (18) passes through the clamping plate (17) and is fixedly connected to the clamping block (19). The rotating shaft of the third servo motor (18) is rotatably connected to the clamping plate (17).

6. The adjustable-direction polishing fixture for a polishing machine according to claim 1, characterized in that, The locking blocks (21) are a plurality of them and are distributed in a ring on the outer wall of the inner circular rod (20). Each locking block (21) is provided with a spring (22) and a guide rod (23) between it and the inner circular rod (20). The guide rod (23) is located in the middle of the spring (22). One end of the guide rod (23) and the spring (22) is fixedly connected to the locking block (21), and the other end of the guide rod (23) and the spring (22) is fixedly connected to the wall of the inner circular rod (20).

7. The adjustable-direction polishing fixture for a polishing machine according to claim 6, characterized in that, The grinding structure includes a support plate (2), a fixture (28), a grinding block (29), and a second lead screw (25). The bottom surface of the support plate (2) is fixedly connected to the top surface of the table body (1). The second lead screw (25) passes through one side of the support plate (2) and is threadedly connected to the support plate (2). One end of the second lead screw (25) is fixedly connected to one side of the fixture (28). The grinding block (29) is set on the inner wall of the fixture (28). The two sides of the grinding block (29) are rotatably connected to the two sides of the inner wall of the fixture (28). A fifth servo motor (30) is fixedly installed on one side of the fixture (28). The rotating shaft of the fifth servo motor (30) passes through one side of the fixture (28) and is fixedly connected to one side of the grinding block (29). The rotating shaft of the fifth servo motor (30) is rotatably connected to the fixture (28).

8. The adjustable-direction polishing fixture for a polishing machine according to claim 7, characterized in that, The grinding structure also includes a fourth servo motor (24), a first gear (26) and a second gear (27). The fourth servo motor (24) is fixed to one side of the support plate (2) by a bracket. The rotating shaft of the fourth servo motor (24) is fixedly connected to the first gear (26). The first gear (26) meshes with the second gear (27). Both the first gear (26) and the second gear (27) are rotatably connected to one side of the support plate (2). One end of the second lead screw (25) passes through the middle of the second gear (27) and is fixedly connected to the second gear (27).

Citation Information

Patent Citations

  • Bearing polishing machine

    CN218575879U