Double-sided grinding device for machining friction material of torque limiter

By designing a double-sided grinding device for torque limiter friction material processing, and using structures such as collars and fixed rings to fix the friction material, the problem of low grinding efficiency caused by the difficulty of fixing in the prior art is solved, and a highly efficient double-sided grinding effect is achieved.

CN223961017UActive Publication Date: 2026-03-03浙江科马摩擦材料股份有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing grinding devices are unable to effectively fix friction materials of torque limiters of different sizes and models, resulting in low grinding efficiency. Most grinding is done manually with hand tools for double-sided grinding.

Method used

A double-sided grinding device for processing friction materials with torque limiters was designed. The friction material is fixed by rotating the rotating shaft and threaded rod, using structures such as collar, push plate and fixed ring, and the grinding disc is driven by hydraulic cylinder to grind both sides of the material synchronously.

Benefits of technology

It achieves effective fixation and efficient double-sided grinding of friction materials for different types of torque limiters, thus improving grinding efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223961017U_ABST
    Figure CN223961017U_ABST
Patent Text Reader

Abstract

The utility model discloses a torque limiter friction material processing two-sided polishing device, including bottom plate, control cylinder, control cylinder inside rotatingly connected with first threaded rod, first threaded rod outside threaded connection with two sets of lantern ring, lantern ring outside fixed connection with three sets of inner rotation piece, first threaded rod outside fixed connection with the inner rotation piece, first threaded rod outside fixed connection with first threaded rod outside fixed connection with first threaded rod outside fixed connection, second threaded rod outside fixed connection with second threaded rod outside fixed connection with first threaded rod outside fixed connection. The outer side of the inner rotating piece is rotationally connected with a pushing piece, the other end of the pushing piece is internally and rotationally connected with an outer rotating piece, the outer side of the outer rotating piece on the same side is fixedly connected with a connecting disc, the other end of the connecting disc is fixedly connected with a damping rod, and the other end of the damping rod is fixedly connected with a lifting cylinder. The lifting cylinder penetrates through the control cylinder and is fixedly connected with a fixing ring, torque limiter friction materials of different models can be effectively fixed, the two sides of the friction materials can be polished at the same time, and the polishing efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of grinding devices, specifically a double-sided grinding device for processing friction materials for torque limiters. Background Technology

[0002] Torque limiters, also known as torque couplings and safety couplings, have friction materials as a key component, whose material and performance directly affect the overall efficiency and service life of the torque limiter.

[0003] Because the friction materials of torque limiters vary in size and type, existing grinding devices struggle to effectively fix the friction materials. As a result, most rely on manual hand-held grinding tools to grind both sides of the friction materials sequentially, leading to low grinding efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a double-sided grinding device for processing friction materials of torque limiters, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a double-sided grinding device for processing friction materials of a torque limiter, comprising a base plate and a control cylinder. A first threaded rod is rotatably connected inside the control cylinder. Two sets of collars are threadedly connected to the outer side of the first threaded rod. Three sets of inner rotating plates are fixedly connected to the outer side of the collars. A pushing plate is rotatably connected to the outer side of each inner rotating plate. An outer rotating plate is rotatably connected to the other end of each pushing plate. A connecting plate is fixedly connected to the outer side of the outer rotating plate on the same side. A damping rod is fixedly connected to the other end of the connecting plate. A lifting cylinder is fixedly connected to the other end of the damping rod. A fixed ring is fixedly connected to the lifting cylinder through the control cylinder. An embedding groove is formed on the outer side of the fixed ring. A moving groove is formed inside the fixed ring. A second threaded rod is rotatably connected inside the moving groove. A moving ring is threadedly connected to the outer side of the second threaded rod. Push rods are fixedly connected to both sides of the moving ring. Pressure plates are fixedly connected to the push rods through the moving groove.

[0006] Preferably, a first spring is fixedly connected between the inside of the lifting cylinder and the connecting plate, and the first spring is sleeved on the outside of the damping rod.

[0007] Preferably, two sets of mounting plates are fixedly connected to one side of the upper part of the base plate. The mounting plates have a position groove inside. A third threaded rod is rotatably connected inside the position groove. A moving block is threadedly connected to the outside of the third threaded rod. A hydraulic cylinder is fixedly connected to the outside of the moving block. A grinding disc is fixedly connected to the output end of the hydraulic cylinder through the moving block.

[0008] Preferably, three sets of connecting plates are fixedly connected to one side of the control cylinder, a driven gear is fixedly connected to the other end of the connecting plate, a drive gear is meshed with the lower part of the driven gear, a motor is fixedly connected to one side of the drive gear, the motor is fixedly connected to the upper part of the base plate, two sets of support frames are fixedly connected to the upper part of the base plate, a rotating cylinder is fixedly connected to the upper part of the support frames, and the rotating cylinder is rotatably connected to the outside of the connecting plate.

[0009] Preferably, a rotating shaft is fixedly connected to one side of the first threaded rod, and two sets of limiting blocks are fixedly connected to the outside of the driven gear through the rotating shaft. A movable piece is slidably connected to the outside of the rotating shaft and the limiting blocks. A toothed ring is fixedly connected to the side of the movable piece facing the driven gear, and a toothed groove for the toothed ring is opened on the outside of the driven gear.

[0010] Preferably, a fixing plate is fixedly connected to one end of the rotating shaft, and a second spring is fixedly connected between the fixing plate and the moving plate, the second spring being sleeved on the outside of the rotating shaft.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention utilizes a rotating shaft to rotate the first threaded rod, causing the two side rings to move in opposite directions. The inner rotating plate drives the pushing plate to move and rotate. Since the lifting cylinder is slidably connected inside the control cylinder, the other end of the pushing plate pushes the connecting plate and the lifting cylinder to move up and down, thereby controlling the extension distance of the fixed ring and supporting and fixing it at the inner hole of the torque limiter. By rotating the second threaded rod, the moving ring moves in the moving groove, and the pushing rod causes the pressure plate to engage with and embed into the inner wall of the groove, pressing the friction material on both sides, further fixing the friction material. This invention can effectively fix the friction material of different models of torque limiters and simultaneously grind both sides of the friction material, improving grinding efficiency. Attached Figure Description

[0013] Figure 1 This is a first-view three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a cross-sectional view of the second-view control cylinder structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the toothed ring structure from a third-view perspective of the present invention;

[0016] Figure 4 This is a schematic diagram of the fourth-view grinding disc structure of this utility model.

[0017] In the diagram: 1. Base plate; 2. Support frame; 3. Rotating cylinder; 4. Connecting plate; 5. Motor; 6. Drive gear; 7. Driven gear; 8. Control cylinder; 9. Rotating shaft; 10. First threaded rod; 11. Moving ring; 12. Inner rotating plate; 13. Pushing plate; 14. Outer rotating plate; 15. Connecting disc; 16. Damping rod; 17. First spring; 18. Lifting cylinder; 19. Fixed ring; 20. Embedded groove; 21. Moving groove; 22. Second threaded rod; 23. Moving ring; 24. Pushing rod; 25. Pressure plate; 26. Limiting block; 27. Moving plate; 28. Gear ring; 29. ​​Gear groove; 30. Second spring; 31. Fixed plate; 32. Mounting plate; 33. Position groove; 34. Third threaded rod; 35. Moving block; 36. Hydraulic cylinder; 37. Grinding disc. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-4This utility model provides a technical solution: a double-sided grinding device for processing friction materials of torque limiters, including a base plate 1 and a control cylinder 8. A first threaded rod 10 is rotatably installed inside the control cylinder 8. Two sets of collars 11 are threadedly installed on the outer side of the first threaded rod 10. Three sets of inner rotating plates 12 are fixedly welded to the outer side of the collars 11. A pushing plate 13 is rotatably installed on the outer side of the inner rotating plates 12. An outer rotating plate 14 is rotatably installed on the other end of the pushing plate 13. A connecting plate 15 is fixedly welded to the outer side of the outer rotating plate 14 on the same side. A damping rod 16 is threadedly connected to the other end of the connecting plate 15. A lifting cylinder 18 is fixedly welded to the other end of the damping rod 16. The upper side of the damping rod 16 is sleeved inside the lifting cylinder 18. A fixing ring 19 is fixedly welded through the control cylinder 8. By rotating the first threaded rod 10, the two collars 11 move in opposite directions, which drives the pushing plate 12. The plate 13 moves and rotates. Since the lifting cylinder 18 is slidably connected to the inside of the control cylinder 8, the other end of the plate 13 pushes the connecting plate 15 and the lifting cylinder 18 to move up and down, thereby controlling the extension distance of the fixed ring 19 and supporting and fixing the inner hole of the torque limiter. The outer side of the fixed ring 19 is provided with an embedding groove 20, and the inner side of the fixed ring 19 is provided with a moving groove 21. The second threaded rod 22 is rotatably installed inside the moving groove 21. The outer side of the second threaded rod 22 is threaded with a moving ring 23. Push rods 24 are fixedly welded to both sides of the moving ring 23. The push rods 24 penetrate the moving groove 21 and are fixedly welded with a pressure plate 25, which clamps the inner hole of the torque limiter into one end of the embedding groove 20. By rotating the second threaded rod 22, the moving ring 23 moves in the moving groove 21. The push rod 24 causes the pressure plate 25 to cooperate with the inner wall of the embedding groove 20 to press the friction material on both sides, further fixing the friction material.

[0020] A first spring 17 is fixedly welded between the inside of the lifting cylinder 18 and the connecting plate 15. The first spring 17 is sleeved on the outside of the damping rod 16. In conjunction with the damping rod 16, it can prevent excessive pressure on the inner cup of the friction material and prevent the friction material from shaking violently during grinding. Two sets of mounting plates 32 are fixedly welded to one side of the upper part of the base plate 1. The mounting plate 32 has a position groove 33 inside. A third threaded rod 34 is rotatably installed inside the position groove 33. A moving block 35 is threadedly installed on the outside of the third threaded rod 34. A hydraulic cylinder 36 is installed on the flange outside the moving block 35. The output end of the hydraulic cylinder 36 penetrates and moves. A grinding disc 37 is threaded onto block 35. By rotating the third threaded rod 34, block 35 moves along the position groove 33, so that the grinding discs 37 on both sides fully cover the friction material according to the exposed area of ​​the friction material. The hydraulic cylinder 36 drives the grinding discs 37 to move, so that the grinding discs 37 press against both sides of the friction material. Three sets of connecting plates 4 are fixedly welded to one side of the control cylinder 8. A driven gear 7 is fixedly welded to the other end of the connecting plate 4. A drive gear 6 is meshed with the lower part of the driven gear 7. A motor 5 is connected to one side of the drive gear 6 by a coupling. The motor 5 is flanged and installed on the upper part of the base plate 1. The upper part of the base plate 1 is fixed. Two sets of support frames 2 are welded together. A rotating cylinder 3 is fixedly welded to the upper part of the support frame 2. The rotating cylinder 3 is rotatably mounted on the outside of the connecting plate 4. The motor 5 drives the power gear 6, which drives the control cylinder 8 to rotate through the driven gear 7 and the connecting plate 4, thereby causing the friction material to rotate between the two grinding discs 37 to achieve the grinding of the friction material. A rotating shaft 9 is fixedly welded to one side of the first threaded rod 10. The rotating shaft 9 penetrates the driven gear 7 and two sets of limiting blocks 26 are fixedly welded to the outside of it, so as to facilitate the rotation of the rotating shaft 9 from the outside to drive the first threaded rod 10 to rotate. A movable plate is slidably mounted on the outside of the rotating shaft 9 and the limiting blocks 26. 27. Ensure that the movable piece 27 rotates with the rotating shaft 9. A toothed ring 28 is fixedly welded to the side of the movable piece 27 facing the driven gear 7. A toothed groove 29 that matches the toothed ring 28 is opened on the outer side of the driven gear 7. By inserting the toothed ring 28 into the toothed groove 29, the driven gear 7 is ensured to rotate with the rotating shaft 9, and the rotating shaft 9 is prevented from rotating erroneously. A fixed piece 31 is fixedly welded to one end of the rotating shaft 9. A second spring 30 is fixedly welded between the fixed piece 31 and the movable piece 27. The second spring 30 is sleeved on the outer side of the rotating shaft 9. The second spring 30 pushes the movable piece 27 to prevent the toothed ring 28 from disengaging from the toothed groove 29.

[0021] Working principle: In use, the inner hole of the torque limiter friction material is fitted into the embedding groove 20 on the outside of the fixed ring 19. By rotating the rotating shaft 9, the first threaded rod 10 rotates, and the two side collars 11 move in opposite directions. The inner rotating plate 12 drives the pushing plate 13 to move and rotate. Since the lifting cylinder 18 is slidably connected to the inside of the control cylinder 8, the other end of the pushing plate 13 pushes the connecting plate 15 and the lifting cylinder 18 to move up and down, thereby controlling the extension distance of the fixed ring 19 and supporting and fixing the inner hole of the torque limiter. By rotating the second threaded rod 22, the moving ring 23 moves in the moving groove. 21. The push rod 24 causes the pressure plate 25 to engage with the inner wall of the embedded groove 20 to press the friction material on both sides, further fixing the friction material. By rotating the third threaded rod 34, the moving block 35 moves along the position groove 33, so that the grinding discs 37 on both sides fully cover the friction material according to the exposed area of ​​the friction material. The hydraulic cylinder 36 drives the grinding discs 37 to move, so that the grinding discs 37 press the friction material on both sides. The motor 5 drives the power gear 6, which drives the control cylinder 8 to rotate through the driven gear 7 and the connecting plate 4, thereby causing the friction material to rotate between the grinding discs 37 on both sides, realizing the grinding of the friction material.

[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-sided grinding device for processing friction materials of torque limiters, comprising a base plate (1) and a control cylinder (8), characterized in that: The control cylinder (8) is rotatably connected to a first threaded rod (10). Two sets of collars (11) are threadedly connected to the outer side of the first threaded rod (10). Three sets of inner rotating plates (12) are fixedly connected to the outer side of each collar (11). A pushing plate (13) is rotatably connected to the outer side of each inner rotating plate (12). An outer rotating plate (14) is rotatably connected to the other end of each pushing plate (13). A connecting plate (15) is fixedly connected to the outer side of the outer rotating plate (14) on the same side. A damping rod (16) is fixedly connected to the other end of the connecting plate (15). The damping rod (16) is also fixedly connected to the other end of the connecting plate (15). A lifting cylinder (18) is fixedly connected to the end. The lifting cylinder (18) penetrates the control cylinder (8) and is fixedly connected to a fixing ring (19). An embedding groove (20) is provided on the outside of the fixing ring (19). A moving groove (21) is provided inside the fixing ring (19). A second threaded rod (22) is rotatably connected inside the moving groove (21). A moving ring (23) is threadedly connected to the outside of the second threaded rod (22). Push rods (24) are fixedly connected to both sides of the moving ring (23). A pressure plate (25) is fixedly connected to the push rod (24) through the moving groove (21).

2. The double-sided grinding device for machining friction materials of torque limiters according to claim 1, characterized in that: A first spring (17) is fixedly connected between the inside of the lifting cylinder (18) and the connecting plate (15), and the first spring (17) is sleeved on the outside of the damping rod (16).

3. The double-sided grinding device for machining friction materials of torque limiters according to claim 1, characterized in that: Two sets of mounting plates (32) are fixedly connected to one side of the upper part of the base plate (1). The mounting plate (32) has a position groove (33) inside. A third threaded rod (34) is rotatably connected inside the position groove (33). A moving block (35) is threadedly connected to the outside of the third threaded rod (34). A hydraulic cylinder (36) is fixedly connected to the outside of the moving block (35). A grinding disc (37) is fixedly connected to the output end of the hydraulic cylinder (36) through the moving block (35).

4. The double-sided grinding device for machining friction materials of torque limiters according to claim 1, characterized in that: Three sets of connecting plates (4) are fixedly connected to one side of the control cylinder (8). A driven gear (7) is fixedly connected to the other end of the connecting plate (4). A power gear (6) is meshed with the lower part of the driven gear (7). A motor (5) is fixedly connected to one side of the power gear (6). The motor (5) is fixedly connected to the upper part of the base plate (1). Two sets of support frames (2) are fixedly connected to the upper part of the base plate (1). A rotating cylinder (3) is fixedly connected to the upper part of the support frame (2). The rotating cylinder (3) is rotatably connected to the outside of the connecting plate (4).

5. A double-sided grinding device for machining friction materials of torque limiters according to claim 4, characterized in that: A rotating shaft (9) is fixedly connected to one side of the first threaded rod (10). The rotating shaft (9) passes through the outer side of the driven gear (7) and is fixedly connected to two sets of limiting blocks (26). A movable piece (27) is slidably connected to the outer side of the rotating shaft (9) and the limiting blocks (26). A toothed ring (28) is fixedly connected to the side of the movable piece (27) facing the driven gear (7). A toothed groove (29) for the toothed ring (28) is opened on the outer side of the driven gear (7).

6. A double-sided grinding device for machining friction materials for torque limiters according to claim 5, characterized in that: A fixing plate (31) is fixedly connected to one end of the rotating shaft (9), and a second spring (30) is fixedly connected between the fixing plate (31) and the moving plate (27). The second spring (30) is sleeved on the outside of the rotating shaft (9).