Polishing equipment for shock-resistant bushing of triangular arm of automobile
By designing a grinding device for automotive control arm vibration damping bushings, the problem of existing equipment being unable to grind the inner wall of the outer tube port was solved, achieving efficient grinding of the bushings and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-31
AI Technical Summary
Existing grinding equipment cannot effectively grind the inner wall of the outer tube end of the automotive control arm shock absorber bushing, resulting in low production efficiency.
A grinding device comprising a base, a grinding assembly, and a clamping assembly is designed. The base has a fixed plate and a rotatable support plate. The clamping assembly is used to clamp the bushing tube. The grinding assembly is movably mounted on the support plate, and the inner and outer walls of the bushing tube port are fully ground by rotating the support plate.
This allows for thorough grinding of the outer wall of the bushing tube and the inner wall of the port section, improving the production efficiency of the bushing.
Smart Images

Figure CN224059401U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of bushing production equipment, specifically to a grinding device for automotive control arm anti-vibration bushings. Background Technology
[0002] The shock-absorbing bushings used in automotive control arms are crucial components of the automotive suspension system, primarily used to buffer vibrations and reduce friction between metal parts. Existing bushings typically have an outer tube that is cylindrical with open ends. During production, the raw steel tube is first cut to the required length. Next, the cut outer tube undergoes further deburring, particularly grinding the ends to ensure rounded edges. Existing grinding equipment, such as patent CN221818184U, discloses a grinding device for deburring automotive bushing surfaces. This device, with its movable grinding wheel, can grind bushings of different diameters, but it cannot grind the inner wall of the outer tube ends. Therefore, we propose a grinding device for automotive control arm shock-absorbing bushings. Utility Model Content
[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a grinding equipment for automotive control arm shock absorber bushings, which can fully grind the outer wall of the bushing outer tube and the inner wall of the port, thereby improving the production efficiency of the bushing.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for automotive control arm anti-vibration bushings, comprising a base, a grinding assembly, and a clamping assembly. The base includes a fixed plate and a support plate rotatably connected to the fixed plate. The fixed plate is provided with a scale indicating the rotation angle of the support plate. The grinding assembly is slidably mounted on the support plate. The clamping assembly includes a clamping cylinder movably mounted on the fixed plate and located on the upper side of the support plate. The actuating end of the grinding assembly corresponds to the clamping end of the clamping cylinder.
[0005] Preferably, the base further includes a rotating shaft; the support plate is rotatably connected to the fixed plate via the rotating shaft; the sliding direction of the grinding assembly and the length direction of the clamping cylinder are the same as the radial direction of the rotating shaft.
[0006] Preferably, it also includes a limiting component; the limiting component is disposed between the support plate and the fixing plate.
[0007] Preferably, the fixing plate has an arc-shaped groove; the limiting component includes a bolt and a fastening nut, the bolt thread slides through the arc-shaped groove and the support plate from bottom to top, the fastening nut is threadedly connected to the bolt, and the fastening nut abuts against the upper end face of the support plate.
[0008] Preferably, the clamping assembly further includes a tapered nut, a fixed seat, and a bearing; the clamping cylinder is rotatably connected to the fixed seat via the bearing, and the fixed seat is disposed on a fixed plate; the head of the clamping cylinder has a plurality of telescopic grooves distributed around the axis along its axial direction; the tapered nut is sleeved on the head of the clamping cylinder and threadedly connected to the clamping cylinder.
[0009] Preferably, the clamping cylinder has a limiting block at its first end; the conical nut is located between the limiting block and the fixing seat.
[0010] Preferably, the grinding assembly includes a drive motor, a mounting base, a coupling, and a grinding head. The mounting base is slidably mounted on a support plate, and the sliding direction of the mounting base is the same as the radial direction of the rotating shaft. The grinding head is connected to the output shaft of the drive motor via the coupling. Both the drive motor and the coupling are mounted on the mounting base. The grinding head corresponds to the position of the rotating shaft.
[0011] Preferably, the grinding head and the clamp are located at the same horizontal height.
[0012] Preferably, a rubber pad is also provided on the inner side of the clamp.
[0013] Preferably, the clamping assembly further includes a rotating rod; the rotating rod is located at the tail end of the clamping cylinder.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: by setting a grinding component and a clamping component on the base, the base includes a fixed plate with a scale and a support plate that can rotate relative to the fixed plate. The clamping component is fixed on the fixed plate to clamp the bushing tube, while the grinding component is movably set on the support plate. At the same time, the clamping end of the clamping component corresponds to the execution end of the grinding component. By rotating the support plate, the inner wall of the bushing tube port and the outer wall of the bushing tube can be fully ground, thereby improving the production efficiency of the bushing. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the front structure of the grinding equipment of this utility model;
[0016] Figure 2 This is a schematic diagram of the rear structure of the grinding equipment of this utility model;
[0017] Figure 3 This is a schematic diagram of the clamping assembly structure of this utility model;
[0018] Figure 4 This is a schematic diagram of the limiting component structure of this utility model.
[0019] In the diagram: 1. Base, 11. Base plate, 12. Fixing plate, 13. Support plate, 14. Rotating shaft, 15. Pointer, 121. Arc groove; 2. Grinding assembly, 21. Mounting seat, 22. Coupling, 23. Grinding head; 3. Clamping assembly, 31. Clamping sleeve, 32. Conical nut, 33. Fixing seat, 34. Bearing, 35. Rotating rod, 311. Telescopic groove, 312. Limiting block; 4. Limiting assembly, 41. Bolt, 42. Fastening nut; 5. Bushing tube. Detailed Implementation
[0020] The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings, so that those skilled in the art can more clearly understand how to practice this utility model. Although this utility model has been described in conjunction with its preferred embodiments, these embodiments are merely illustrative and not intended to limit the scope of this utility model.
[0021] See Figure 1-4 In one embodiment of this utility model, a grinding device for a car control arm shock absorber bushing includes: a base 1, a grinding component 2, a clamping component 3, and a limiting component 4. The grinding component 2, the clamping component 3, and the limiting component 4 are all disposed on the base 1. The clamping end of the clamping component 3 corresponds to the execution end of the grinding component 2 and is used to grind the bushing tube 5 fixed by the clamping component 3. The limiting component 4 is used to limit the position of the grinding component 2 so that the grinding component 2 can grind the bushing tube 5 from different angles.
[0022] Specifically, the base 1 includes a base plate 11, a fixing plate 12, a support plate 13, a rotating shaft 14, and a pointer 15. The fixing plate 12 is fixedly disposed between the base plate 11 and the support plate 13 via the rotating shaft 14. The support plate 13 is rotatably connected to the base plate 11 and the fixing plate 12 via the rotating shaft 14, and the support plate 13 can rotate relative to the fixing plate 12. The pointer 15 is fixedly disposed on the support plate 13, and the fixing plate 12 is provided with a scale corresponding to the position of the pointer 15. Through the cooperation of the pointer 15 and the scale, the angle of rotation of the support plate 13 around the shaft can be determined.
[0023] See Figure 2 and Figure 4 To fix the position of the support plate 13 after it rotates around the axis, the limiting component 4 is disposed between the fixing plate 12 and the support plate 13; the fixing plate 12 has an arc-shaped groove 121 around the axis of the rotating shaft 14; the limiting component 4 includes a bolt 41 and a fastening nut 42, the thread of the bolt 41 passes through the arc-shaped groove 121 and the support plate 13 from bottom to top, the thread of the bolt 41 is slidably connected to the fixing plate 12 and the support plate 13, the fastening nut 42 is sleeved on the thread of the bolt 41 and abuts against the upper end face of the support plate 13, the fastening nut 42 is threadedly connected to the bolt 41, by tightening the fastening nut 42 the limiting component 4 can simultaneously press the fixing plate 12 and the support plate 13 to achieve the fixation of their relative positions.
[0024] The grinding assembly 2 includes a drive motor (not shown in the figure), a mounting base 21, a coupling 22, and a grinding head 23. The grinding head 23 is connected to the output shaft of the drive motor via the coupling 22 to receive driving force and grind the workpiece. The drive motor and the coupling 22 are both mounted on the mounting base 21. The grinding head 23 corresponds to the position of the rotating shaft 14. The mounting base 21 is slidably disposed on the support plate 13, and the sliding direction of the mounting base 21 is the same as the radial direction of the rotating shaft 14. By sliding the mounting base 21, the grinding head 23 can be moved closer to or away from the rotating shaft 14.
[0025] See Figure 3 The clamping assembly 3 includes a clamping cylinder 31, a conical nut 32, a fixed base 33, a bearing 34, and a rotating rod 35. The fixed base 33 is fixedly mounted on the fixed plate 12 and located on one side of the rotating end of the support plate 13. The clamping cylinder 31 is rotatably mounted on the fixed base 33 via the bearing 34. The length direction of the clamping cylinder 31 is the same as the radial direction of the rotating shaft 14, and the first end of the clamping cylinder 31 is close to the rotating shaft 14. Supported by the fixed base 33, the clamping cylinder 31 is located on the upper side of the support plate 13. In addition, for ease of control, the clamping cylinder 31 and the grinding head 23 are located on the same side. At a horizontal height, the first end of the clamping cylinder 31 has four telescopic grooves 311 distributed around the axis. The conical nut 32 is sleeved on the first end of the clamping cylinder 31 and threadedly connected to the clamping cylinder 31. When grinding is required, the bushing tube 5 needs to be pre-inserted into the clamping cylinder 31. Then, by rotating the conical nut 32 towards the first end of the clamping cylinder 31, the inner diameter of the clamping cylinder 31 is reduced. The bushing tube 5 is quickly clamped by reducing the diameter. Compared with the traditional chuck clamping method, this clamping assembly 3 has the advantages of simple structure and easy operation.
[0026] In one embodiment, in order to prevent the conical nut 32 from dislodging from the clamp 31, a limiting block 312 is provided at the head end of the clamp 31. It can be seen from this that the conical nut 32 is located between the limiting block 312 and the fixing seat 33.
[0027] During grinding, in order to grind the bushing tube 5 with the grinding head 23, the bushing tube 5 must be manually rotated. Therefore, for ease of operation, the rotating rod 35 is located at the tail end of the clamp 31. By manually rotating the clamp 31, the bushing tube 5 can be ground with the grinding head 23. When it is necessary to grind the inner wall of the bushing tube 5 port, the orientation of the grinding head 2 needs to be adjusted by adjusting the angle between the support plate 13 and the fixed plate 12 to achieve grinding at the bushing tube 5 port.
[0028] In one embodiment, to prevent the clamping assembly 3 from damaging the workpiece, a rubber pad can be provided inside the clamping cylinder 31. In this embodiment, the pad can be fixed to the clamping cylinder 31 by adhesive bonding.
[0029] This technical solution involves setting a grinding component and a clamping component on a base. The base includes a fixed plate with a dial and a support plate that can rotate relative to the fixed plate. The clamping component is fixedly mounted on the fixed plate to hold the bushing tube, while the grinding component is movably mounted on the support plate. The clamping end of the clamping component corresponds to the actuating end of the grinding component. By rotating the support plate, the inner wall of the bushing tube port and the outer wall of the bushing tube can be fully ground, thereby improving the production efficiency of the bushing.
[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A polishing apparatus for an automobile triangular arm anti-vibration bushing, characterized by: The base (1) further comprises a rotating shaft (14); the support plate (13) is rotatably connected with the fixed plate (12) through the rotating shaft (14); the sliding direction of the polishing assembly (2) and the length direction of the clamping cylinder (31) are the same as the radial direction of the rotating shaft (14).
2. The polishing apparatus for the automobile triangular arm anti-vibration bushing according to claim 1, characterized in that: Further comprising a limiting assembly (4); the limiting assembly (4) is arranged between the support plate (13) and the fixed plate (12).
3. The polishing apparatus for the automobile triangular arm anti-vibration bushing according to claim 1, characterized in that: The fixed plate (12) is provided with an arc-shaped slot (121); the limiting assembly (4) comprises a bolt and a fastening nut, the screw rod of the bolt is slidably penetrated through the arc-shaped slot (121) and the support plate (13) from bottom to top, the fastening nut is threadedly connected with the bolt, and the upper end surface of the fastening nut abuts against the support plate (13).
4. The polishing apparatus for the automobile toe arm anti-vibration bushing according to claim 3, characterized in that: The clamping assembly (3) further comprises a conical nut (32), a fixed seat (33) and a bearing (34); the clamping cylinder (31) is rotatably connected with the fixed seat (33) through the bearing (34), and the fixed seat (33) is arranged on the fixed plate (12); a plurality of expansion slots distributed around the shaft are formed in the head of the clamping cylinder (31) along the axial direction of the clamping cylinder (31); the conical nut (32) is sleeved on the head of the clamping cylinder (31) and is threadedly connected with the clamping cylinder (31).
5. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 1, characterized by: The clamping cylinder (31) is provided with a limiting block at the first end; the conical nut (32) is located between the limiting block and the fixed seat (33).
6. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 5, wherein: The polishing assembly (2) comprises a driving motor, a mounting seat (21), a shaft coupling (22) and a polishing head (23); the mounting seat (21) is slidably arranged on the support plate (13), and the sliding direction of the mounting seat (21) is the same as the radial direction of the rotating shaft (14); the polishing head (23) is connected with the output shaft of the driving motor through the shaft coupling (22); the driving motor and the shaft coupling (22) are both mounted on the mounting seat (21); the polishing head (23) is located at the position corresponding to the rotating shaft (14).
7. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 2, characterized by: The polishing head (23) and the clamping cylinder (31) are located at the same horizontal height.
8. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 7, characterized by: The inner side of the clamping cylinder (31) is further provided with a rubber pad.
9. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 5, characterized by: The clamping assembly (3) further comprises a rotating rod (35); the rotating rod (35) is arranged at the tail end of the clamping cylinder (31).
10. The polishing apparatus for a shock absorbing bushing of a vehicle toe arm according to claim 5, characterized by:
Citation Information
Patent Citations
Polishing device based on automobile lining surface deburring
CN221818184U