Hub clamping device with protection function

Abstract

The invention relates to the technical field of hub machining, in particular to a hub clamping device with a protection function, which comprises an operation table, a placement seat is rotatably mounted on the operation table, and a clamping assembly for clamping a hub is arranged on the placement seat. The clamping assembly comprises a plurality of sliding blocks installed on the containing base in a sliding mode, a plurality of supports, a plurality of clamping blocks installed on the supports through elastic components and a driving component, and each elastic component comprises two moving rods installed on the supports in a sliding mode, two telescopic springs and two check blocks. When the clamping blocks make contact with the inner side of the hub, the telescopic springs are compressed, force applied by the clamping blocks is prevented from directly acting on the hub, the telescopic springs play a buffering role, the situation that the surface of the hub is damaged and deformed due to the fact that the force applied by the clamping blocks is too large is avoided, meanwhile, the compression degree of the telescopic springs is judged, and too small compression of the telescopic springs is avoided; and the clamping force on the hub is too small, so that the clamping effect on the hub is ensured.

Description

Technical Field

[0001] This invention relates to the field of wheel hub processing technology, and in particular to a wheel hub clamping device with protective function. Background Technology

[0002] Wheel hubs are essential parts for automobiles. They are cylindrical metal components that support the tire from the inside of the wheel and are mounted on the axle. They are also called wheel rims, steel rims, wheels, or tire rims. Wheel hubs come in many varieties depending on their diameter, width, forming method, and material. In the machining of aluminum alloy wheel hubs, the aluminum alloy wheel hub blank must first be placed on a special lathe chuck for positioning and clamping, so that the wheel hub can be machined and polished. This process avoids movement during machining, which could lead to errors in the dimensions and position of the machined parts.

[0003] Existing clamping devices have a simple structure and cannot effectively control the clamping force on the wheel hub when clamping it. When the clamping force is too large, it may cause the wheel hub to deform, affecting its use. When the clamping force is too small, the clamping effect on the wheel hub is poor, which may cause the wheel hub to shift during processing, resulting in deviations in the processing dimensions. Summary of the Invention

[0004] The purpose of this invention is to address the following shortcomings in the prior art: existing clamping devices have simple structures and cannot effectively control the clamping force on the wheel hub when clamping it. When the clamping force is too large, it may cause the wheel hub to deform, affecting its use. When the clamping force is too small, the clamping effect on the wheel hub is poor, which may cause the wheel hub to shift during processing, resulting in deviations in the processing dimensions. Therefore, this invention proposes a wheel hub clamping device with protective functions.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A wheel hub clamping device with protective function includes an operating table, on the lower surface of which multiple support legs are vertically fixedly installed. A rotating column is rotatably installed in the middle part of the operating table, and a placement seat is rotatably installed on the upper end of the rotating column through a rotating assembly. The placement seat is provided with a clamping assembly for clamping the wheel hub. The middle part of the placement base is provided with an installation groove, and the upper surface of the placement base is provided with multiple sliding grooves. The clamping assembly includes multiple sliding blocks that are slidably installed in multiple sliding grooves, multiple brackets that are fixedly installed on multiple sliding blocks, multiple clamping blocks that are installed on multiple brackets through elastic components, and a driving component for driving multiple sliding blocks to move relative to each other. The bracket has two movable holes. The elastic component includes two movable rods that are horizontally slidably inserted into the two movable holes, two telescopic springs that are respectively sleeved on the two movable rods, and two stops that are respectively fixedly installed at one end of the two movable rods. The ends of the two movable rods away from the stops are fixedly connected to the clamping blocks. The two ends of the telescopic springs are fixedly connected to the clamping blocks and the bracket, respectively.

[0006] As a preferred embodiment, the driving component includes a driving cylinder fixedly installed in the mounting groove, a connecting block fixedly installed at one end of the output shaft of the driving cylinder, and multiple support rods fixedly installed on the side of the connecting block, with the ends of the multiple support rods away from the connecting block respectively rotatably connected to multiple sliding blocks.

[0007] As a preferred embodiment, the rotating assembly includes two fixed blocks fixedly mounted on the upper end of the rotating column, a rotating shaft fixedly mounted between the two fixed blocks, and a rotating seat rotatably mounted on the rotating shaft. The placement seat is fixedly mounted on the rotating seat, and the rotating column is provided with a support assembly for driving the placement seat to rotate.

[0008] As a preferred embodiment, the support assembly includes a rectangular block fixedly installed on the side of the rotating column, a threaded rod, a movable block threaded onto the threaded rod, a support rod rotatably installed on the movable block, and a second adjusting block fixedly installed on one end of the threaded rod. The upper surface of the rectangular block is provided with a movable groove. The threaded rod is horizontally rotatably installed in the movable groove. The movable block is horizontally slidably installed in the movable groove. The end of the threaded rod with the second adjusting block installed extends out of the movable groove. The end of the support rod away from the movable block is rotatably connected to the lower surface of the placement seat.

[0009] As a preferred embodiment, a worm gear is fixedly sleeved on the rotating column, a worm is rotatably mounted on the operating table, the worm is meshed with the worm gear, two mounting blocks are rotatably mounted on the worm, and an operating table is fixedly mounted on each of the two mounting blocks. A first adjusting block is fixedly mounted on one end of the worm.

[0010] As a preferred embodiment, a rectangular plate is fixedly installed on the side of the clamping block near the bracket, and a rectangular hole is opened on the rectangular plate. A vertical rod is fixedly installed on the upper end of the bracket, and one end of the vertical rod is inserted into the rectangular hole.

[0011] As a preferred embodiment, the rectangular plate is provided with a scale, and an indicator rod is fixedly installed on the side of the vertical rod, with one end of the indicator rod pointing to the scale.

[0012] As a preferred embodiment, a protective pad, which is a rubber pad, is fixedly installed on the side of the plurality of clamping blocks away from the bracket.

[0013] Compared with the prior art, the beneficial effects of the present invention are: 1. When clamping the wheel hub, multiple sliding blocks of the drive component move away from each other, thereby causing multiple clamping blocks to contact the inner side of the wheel hub. When the clamping blocks contact the inner side of the wheel hub, the moving rod moves horizontally on the bracket, thereby compressing the telescopic spring. This prevents the force applied by the clamping blocks from acting directly on the wheel hub. The telescopic spring acts as a buffer, preventing excessive force applied by the clamping blocks from damaging or deforming the surface of the wheel hub. At the same time, it judges the degree of compression of the telescopic spring to prevent the spring from being too compressed, which would result in insufficient clamping force on the wheel hub. This ensures the clamping effect on the wheel hub and prevents the wheel hub from shifting during processing.

[0014] 2. When multiple clamping blocks are in contact with the wheel hub, the staff can judge whether the wheel hub has deformed based on the degree indicated by the indicator rods. When the degree indicated by multiple indicator rods is different, the wheel hub is deformed.

[0015] 3. The wheel hub is fixed on the placement seat by the clamping assembly. When grinding the wheel hub, the operator can drive the placement seat to rotate by the cooperation of the first adjusting block, worm gear, worm wheel and rotating column, thereby realizing the rotation of the wheel hub. The operator can easily rotate the part of the wheel hub that needs to be ground to the operator's face, without having to move around the wheel hub, which reduces the operator's workload and improves processing efficiency.

[0016] 4. When the worker needs to process the inner side of the wheel hub, the worker can use the cooperation of the second adjusting block, threaded rod, moving block and support rod to make the placement seat tilt and rotate on the upper end of the rotating column, so that the wheel hub is kept in an inclined state, which makes it easier for the worker to process the inner side of the wheel hub, making the processing more convenient. Attached Figure Description

[0017] Figure 1 This is a front perspective view of a wheel hub clamping device with protective function proposed in this invention. Figure 2 A frontal three-dimensional structural diagram of the rotating column, rotating assembly, placement seat, and clamping assembly; Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 A bottom-view three-dimensional structural diagram of the rotating column, rotating assembly, placement seat, and clamping assembly; Figure 5 This is a three-dimensional structural diagram of the rotating shaft and the rotating seat; Figure 6 This is a three-dimensional structural diagram of the mounting base; Figure 7 A three-dimensional structural diagram of the sliding block, support, elastic component, and clamping block; Figure 8 for Figure 7Enlarged structural diagram at point B.

[0018] In the diagram: 1. Operating platform, 2. Support leg, 3. Rotating column, 4. Placement seat, 5. Worm gear, 6. Worm, 7. Mounting block, 8. First adjusting block, 9. Rotating shaft, 10. Rotating seat, 11. Rectangular block, 12. Threaded rod, 13. Moving block, 14. Support rod, 15. Second adjusting block, 16. Moving groove, 17. Mounting groove, 18. Sliding groove, 19. Sliding block, 20. Bracket, 21. Clamping block, 22. Fixing block, 23. Drive cylinder, 24. Connecting block, 25. Support rod, 26. Moving rod, 27. Telescopic spring, 28. Stop block, 29. Rectangular plate, 30. Rectangular hole, 31. Vertical rod, 32. Scale, 33. Indicator rod. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] Reference Figures 1-8 A wheel hub clamping device with protective function includes an operating table 1. Multiple support legs 2 are vertically fixedly installed on the lower surface of the operating table 1. A rotating column 3 is rotatably installed in the middle part of the operating table 1. A placement seat 4 is rotatably installed on the upper end of the rotating column 3 through a rotating assembly. The placement seat 4 is provided with a clamping assembly for clamping the wheel hub.

[0021] A worm gear 5 is fixedly sleeved on the rotating column 3. A worm 6 is rotatably mounted on the operating table 1. The worm 6 is meshed with the worm gear 5. Two mounting blocks 7 are rotatably mounted on the worm 6. The operating table 1 is fixedly mounted on both mounting blocks 7. A first adjusting block 8 is fixedly mounted on one end of the worm 6.

[0022] When processing the wheel hub, the wheel hub is placed on the placement seat 4 and then clamped and fixed by the clamping assembly. During the processing, the operator can rotate the first adjusting block 8 to drive the worm 6 to rotate. Since the worm 6 is meshed with the worm wheel 5, the worm wheel 5 will drive the rotating column 3 to rotate, thereby driving the placement seat 4 to rotate, thus realizing the rotation of the wheel hub on the placement seat 4. The operator can easily rotate the part of the wheel hub that needs to be ground to the operator's face, without having to move around the wheel hub, reducing the operator's workload and improving processing efficiency.

[0023] Meanwhile, the worm gear 5 and the worm 6 have a one-way transmission function. Only by rotating the worm 6 can the mounting seat 4 be driven to rotate. However, during the machining of the hub, the mounting seat 4 will not rotate under the influence of the force, thus ensuring the stability of the mounting seat 4 during the machining process.

[0024] The rotating assembly consists of two fixed blocks 22 fixedly mounted on the upper end of the rotating column 3, a rotating shaft 9 fixedly mounted between the two fixed blocks 22, and a rotating seat 10 rotatably mounted on the rotating shaft 9. The placement seat 4 is fixedly mounted on the rotating seat 10. The rotating column 3 is provided with a support assembly for driving the placement seat 4 to rotate. The support assembly includes a rectangular block 11 fixedly mounted on the side of the rotating column 3, a threaded rod 12, a movable block 13 threadedly sleeved on the threaded rod 12, a support rod 14 rotatably mounted on the movable block 13, and a second adjusting block 15 fixedly mounted on one end of the threaded rod 12. A movable groove 16 is opened on the upper surface of the rectangular block 11. The threaded rod 12 is horizontally rotatably mounted in the movable groove 16. The movable block 13 is horizontally slidably mounted in the movable groove 16. One end of the threaded rod 12 with the second adjusting block 15 is inserted through the movable groove 16. The end of the support rod 14 away from the movable block 13 is rotatably connected to the lower surface of the placement seat 4.

[0025] The placement seat 4 is rotatably mounted on the upper end of the rotating column 3 via the rotating shaft 9 and the rotating seat 10. When the worker needs to process the inner side of the hub, the second adjusting block 15 can be rotated to drive the threaded rod 12 to rotate. Under the action of the threaded rod 12, the moving block 13 is driven to move horizontally in the moving groove 16. During the movement, the moving block 13 will drive the placement seat 4 to tilt and rotate on the rotating column 3 through the support rod 14, so that the hub is kept in an inclined state, which makes it easier for the worker to process the inner side of the hub, making the processing more convenient.

[0026] The middle part of the placement base 4 is provided with an installation groove 17, and the upper surface of the placement base 4 is provided with multiple sliding grooves 18. The clamping assembly includes multiple sliding blocks 19 that are slidably installed in the multiple sliding grooves 18, multiple brackets 20 that are fixedly installed on the multiple sliding blocks 19, multiple clamping blocks 21 that are installed on the multiple brackets 20 through elastic components, and a driving component for driving the multiple sliding blocks 19 to move relative to each other.

[0027] When the wheel hub is placed on the mounting seat 4, multiple clamping blocks 21 are placed inside the wheel hub. Then, the driving component drives multiple sliding blocks 19 to move away from each other, thereby causing multiple clamping blocks 21 to contact the inside of the wheel hub. The wheel hub is clamped on the mounting seat 4 by the multiple clamping blocks 21.

[0028] The driving component includes a driving cylinder 23 fixedly installed in the mounting groove 17, a connecting block 24 fixedly installed at one end of the output shaft of the driving cylinder 23, and multiple support rods 25 fixedly installed on the side of the connecting block 24. The ends of the multiple support rods 25 away from the connecting block 24 are rotatably connected to multiple sliding blocks 19. When it is necessary to move the multiple sliding blocks 19 away from each other, the driving cylinder 23 is activated, which drives the connecting block 24 to move vertically downward. At this time, the connecting block 24 will drive the sliding blocks 19 in the sliding groove 18 to move through the support rods 25, thereby moving the multiple sliding blocks 19 away from each other.

[0029] The bracket 20 has two movable holes. The elastic component includes two movable rods 26 that are horizontally slidably inserted into the two movable holes, two telescopic springs 27 that are respectively sleeved on the two movable rods 26, and two stops 28 that are respectively fixedly installed at one end of the two movable rods 26. The ends of the two movable rods 26 away from the stops 28 are fixedly connected to the clamping block 21. The two ends of the telescopic springs 27 are fixedly connected to the clamping block 21 and the bracket 20 respectively.

[0030] The clamping block 21 is mounted on the bracket 20 via the moving rod 26 and the telescopic spring 27, and can move horizontally on the bracket 20. The stop block 28 is provided to prevent the moving rod 26 from falling off the bracket 20.

[0031] When clamping the wheel hub, multiple clamping blocks 21 contact the inner side of the wheel hub. When the clamping blocks 21 contact the inner side of the wheel hub, the sliding block 19 continues to move. At this time, the moving rod 26 moves horizontally on the bracket 20, causing the telescopic spring 27 to compress and deform. This prevents the force applied by the clamping blocks 21 from acting directly on the wheel hub. The elastic force generated by the telescopic spring 27 clamps the wheel hub. The telescopic spring 27 can play a buffering role, preventing the force exerted by the clamping blocks 21 on the wheel hub from being too large, which would damage or deform the surface of the wheel hub and leave clamping marks. At the same time, it judges the degree of compression of the telescopic spring 27 to prevent the telescopic spring 27 from being too compressed, thereby ensuring that there is a moving elastic force acting on the clamping blocks 21, ensuring that the clamping blocks 21 have sufficient clamping force to hold the wheel hub, ensuring the clamping effect of the wheel hub, and preventing the wheel hub from shifting during the processing.

[0032] A rectangular plate 29 is fixedly installed on the side of the clamping block 21 near the bracket 20. A rectangular hole 30 is opened on the rectangular plate 29. A vertical rod 31 is fixedly installed on the upper end of the bracket 20. One end of the vertical rod 31 is inserted into the rectangular hole 30. When the clamping block 21 contacts the wheel hub, the telescopic spring 27 is compressed and deformed. At this time, the clamping block 21 will move towards the bracket 20, while the vertical rod 31 will move in the rectangular hole 30. When the vertical rod 31 moves from one end of the rectangular hole 30 to the other end of the rectangular hole 30, the drive cylinder 23 is stopped, thereby stopping the movement of the sliding block 19. At this time, the compression degree of the telescopic spring 27 is controlled. Under this compressed state, the telescopic spring 27 can be prevented from being compressed too much and causing damage to the surface of the wheel hub. Through the setting of the vertical rod 31 and the rectangular plate 29, the compression degree of the telescopic spring 27 can be easily controlled, and the clamping force of the clamping block 21 on the wheel hub can be precisely controlled.

[0033] The rectangular plate 29 has a scale 32, and an indicator rod 33 is fixedly installed on the side of the vertical rod 31. One end of the indicator rod 33 points to the scale 32. When multiple clamping blocks 21 are in contact with the wheel hub, the staff can judge whether the wheel hub has been deformed according to the degree of the scale 32 pointed to by the indicator rod 33. When the degrees of the scale 32 pointed to by multiple indicator rods 33 are not the same, the wheel hub is deformed.

[0034] Multiple clamping blocks 21 are fixedly installed with protective pads on the side away from the bracket 20. The protective pads are rubber pads. When the clamping blocks 21 come into contact with the wheel hub, the protective pads can protect the wheel hub and prevent marks from being left on the wheel hub.

[0035] In this invention, when clamping the wheel hub, multiple clamping blocks 21 contact the inner side of the wheel hub. When the clamping blocks 21 contact the inner side of the wheel hub, the sliding block 19 continues to move. At this time, the moving rod 26 moves horizontally on the bracket 20, causing the telescopic spring 27 to compress and deform. This prevents the force applied by the clamping blocks 21 from acting directly on the wheel hub. The elastic force generated by the telescopic spring 27 clamps the wheel hub. The telescopic spring 27 can play a buffering role, preventing the force exerted by the clamping blocks 21 on the wheel hub from being too large, which would damage or deform the surface of the wheel hub and leave clamping marks. At the same time, it judges the degree of compression of the telescopic spring 27 to prevent the telescopic spring 27 from being compressed too little, thereby ensuring that there is a moving elastic force acting on the clamping blocks 21, ensuring that the clamping blocks 21 have sufficient clamping force to clamp the wheel hub, ensuring the clamping effect of the wheel hub, and preventing the wheel hub from shifting during the processing.

[0036] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A wheel hub clamping device with protective function, comprising an operating table (1), characterized in that, The lower surface of the operating table (1) is vertically fixed with multiple support legs (2). A rotating column (3) is rotatably installed in the middle part of the operating table (1). A placement seat (4) is rotatably installed on the upper end of the rotating column (3) through a rotating assembly. A clamping assembly for clamping the wheel hub is provided on the placement seat (4). The middle part of the placement seat (4) is provided with an installation groove (17), and the upper surface of the placement seat (4) is provided with multiple sliding grooves (18). The clamping assembly includes multiple sliding blocks (19) that are slidably installed in multiple sliding grooves (18), multiple brackets (20) that are fixedly installed on multiple sliding blocks (19), multiple clamping blocks (21) that are installed on multiple brackets (20) through elastic components, and a driving component for driving multiple sliding blocks (19) to move relative to each other. The bracket (20) has two movable holes. The elastic component includes two movable rods (26) that are horizontally slidably inserted into the two movable holes, two telescopic springs (27) that are respectively sleeved on the two movable rods (26), and two stops (28) that are respectively fixedly installed at one end of the two movable rods (26). The ends of the two movable rods (26) away from the stops (28) are fixedly connected to the clamping block (21). The two ends of the telescopic springs (27) are fixedly connected to the clamping block (21) and the bracket (20) respectively.

2. The wheel hub clamping device with protective function according to claim 1, characterized in that, The driving component includes a driving cylinder (23) fixedly installed in the mounting groove (17), a connecting block (24) fixedly installed at one end of the output shaft of the driving cylinder (23), and multiple support rods (25) fixedly installed on the side of the connecting block (24). The ends of the multiple support rods (25) away from the connecting block (24) are respectively rotatably connected to multiple sliding blocks (19).

3. The wheel hub clamping device with protective function according to claim 1, characterized in that, The rotating assembly consists of two fixed blocks (22) fixedly installed on the upper end of the rotating column (3), a rotating shaft (9) fixedly installed between the two fixed blocks (22), and a rotating seat (10) rotatably installed on the rotating shaft (9). The placement seat (4) is fixedly installed on the rotating seat (10). The rotating column (3) is provided with a support assembly for driving the placement seat (4) to rotate.

4. A wheel hub clamping device with protective function according to claim 3, characterized in that, The support assembly includes a rectangular block (11) fixedly installed on the side of the rotating column (3), a threaded rod (12), a movable block (13) threaded onto the threaded rod (12), a support rod (14) rotatably installed on the movable block (13), and a second adjusting block (15) fixedly installed on one end of the threaded rod (12). The upper surface of the rectangular block (11) is provided with a movable groove (16). The threaded rod (12) is horizontally rotatably installed in the movable groove (16). The movable block (13) is horizontally slidably installed in the movable groove (16). One end of the threaded rod (12) with the second adjusting block (15) installed extends out of the movable groove (16). The end of the support rod (14) away from the movable block (13) is rotatably connected to the lower surface of the placement seat (4).

5. A wheel hub clamping device with protective function according to claim 1, characterized in that, A worm gear (5) is fixedly sleeved on the rotating column (3), and a worm (6) is rotatably installed on the operating table (1). The worm (6) is meshed with the worm gear (5). Two mounting blocks (7) are rotatably installed on the worm (6). The operating table (1) is fixedly installed on both mounting blocks (7). A first adjusting block (8) is fixedly installed on one end of the worm (6).

6. A wheel hub clamping device with protective function according to claim 1, characterized in that, A rectangular plate (29) is fixedly installed on the side of the clamp (21) near the bracket (20). A rectangular hole (30) is provided on the rectangular plate (29). A vertical rod (31) is fixedly installed on the upper end of the bracket (20). One end of the vertical rod (31) is inserted into the rectangular hole (30).

7. A wheel hub clamping device with protective function according to claim 6, characterized in that, The rectangular plate (29) is provided with a scale (32), and an indicator rod (33) is fixedly installed on the side of the vertical rod (31), with one end of the indicator rod (33) pointing to the scale (32).

8. A wheel hub clamping device with protective function according to claim 1, characterized in that, A protective pad, which is a rubber pad, is fixedly installed on the side of the multiple clamps (21) away from the bracket (20).

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