Clamp structure for automobile hub spraying

Abstract

The utility model discloses a fixture structure for spraying automobile hubs, which belongs to the field of wheel hub fixtures and is characterized in that a plurality of supports are arranged at the upper end of a worktable, adjusting seats are connected to the upper ends of the supports, adjusting columns are inserted into the middle of the worktable, the adjusting seats are connected onto the adjusting columns through adjusting rods, and telescopic devices are connected to the lower ends of the adjusting columns. A lateral abutting block is connected to a side opening of the adjusting seat, an abutting spring connected with the adjusting seat is arranged at the inner end of the lateral abutting block, and the to-be-sprayed wheel hub is arranged outside the adjusting seat in a sleeving mode. The adjusting clamping mechanism changes the angle of an adjusting seat through a telescopic device and an adjusting column, the wheel hub is rapidly clamped, operation is simplified, efficiency is improved, spraying stability is ensured, and non-uniformity is avoided. The heightening abutting mechanism abuts against the edge of the wheel hub through cooperation of a heightening rod and a fastening inserting rod, and the fixing effect is enhanced. The arc-shaped abutting blocks and the anti-skid rubber strips increase friction force, sliding is prevented, the surface of the wheel hub is protected, and scratches are avoided.

Description

Technical Field

[0001] This utility model relates to the field of wheel hub clamps, and in particular to a clamp structure for automotive wheel hub painting. Background Technology

[0002] Wheel hub clamps are devices used to fix and hold wheel hubs for machining, inspection, or other operations. Wheel hub clamps come in various types and structures depending on the application and purpose.

[0003] Wheel hub fixtures play a crucial role in the wheel hub painting process. However, due to the variety of wheel hub specifications, including different bolt distribution circle diameters, rim sizes, and material differences, wheel hub fixtures need to be frequently adjusted to accommodate different wheel hubs.

[0004] Traditional wheel hub clamp adjustment mechanisms often struggle to provide precise and detailed adjustments when dealing with a wide variety of wheel hubs. This is primarily because the clamps are typically designed based on a standard or common wheel hub specification, and their adjustment range and precision may not meet the requirements for non-standard or special-sized wheel hubs. The inability to make precise adjustments leads to a less tight fit between the clamp and the wheel hub, resulting in looseness. This looseness not only affects the coating effect, causing problems such as uneven coating and missed areas, but can also damage the wheel hub, such as scratches and dents. More seriously, a loose clamp may detach during the coating process, posing a safety hazard to operators and equipment. Utility Model Content

[0005] The main objective of this invention is to provide a fixture structure for automotive wheel hub painting, which can effectively solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A fixture structure for painting automobile wheel hubs includes a worktable, a telescopic device, and a wheel hub to be painted.

[0008] The upper end of the workbench is provided with multiple supports, and the upper end of the supports is connected to an adjusting seat. An adjusting column is inserted into the middle of the workbench. The adjusting seat is connected to the adjusting column through an adjusting rod. The lower end of the adjusting column is connected to a telescopic device. A lateral abutment block is connected to the side opening of the adjusting seat, and the inner end of the lateral abutment block is provided with a abutment spring connected to the adjusting seat. The wheel hub to be painted is sleeved on the outside of the adjusting seat. The telescopic device drives the adjusting column to change the outward expansion angle of the adjusting seat, thereby abutting against the wheel hub to achieve clamping, which facilitates the painting of the wheel hub.

[0009] The upper end of the adjusting seat is connected to a height-increasing rod, and the side wall of the height-increasing rod has a waist hole. A fastening rod is inserted into the waist hole, and a fastening nut is fitted on the fastening rod and fixed to the height-increasing rod. The outer edge of the wheel hub rests on the upper end of the adjusting seat, and the wheel hub is tightened by the height-increasing rod and the fastening rod.

[0010] As an optional solution of this utility model, the end of the fastening rod is connected to an arc-shaped abutment block. The arc-shaped abutment block is divided into an arc-shaped block and a screw. The screw is located on the side of the arc-shaped block. The screw and the arc-shaped block are designed as an integral part. The screw is inserted into the screw hole of the fastening rod to realize the threaded connection between the fastening rod and the arc-shaped abutment block.

[0011] As an optional solution of this utility model, the edge of the arc-shaped abutment block is designed in an arc shape, and the surface of the arc-shaped abutment block is connected with an anti-slip rubber strip by an adhesive;

[0012] As an optional solution of this utility model, multiple waist holes are equidistantly distributed on the heightening rod, the edges of the waist holes are arc-shaped, and the surface of the heightening rod is connected with anti-slip rubber strips by adhesive. The fastening nut is rotated on the fastening rod to press against the heightening rod, and the diameter of the fastening rod is the same as the width of the waist hole.

[0013] As an optional solution of this utility model, the cross-section of the adjusting column is designed in a "T" shape, and the adjusting column is connected to the telescopic end of the telescopic device by a thread;

[0014] As an optional embodiment of this utility model, multiple supports are arranged in a ring on the worktable, and the supports are fixed to the worktable by bolts.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] By adjusting the clamping mechanism, specifically the telescopic device that drives the adjusting column, the outward expansion angle of the adjusting seat is changed, enabling rapid clamping of the wheel hub. This design not only simplifies the clamping operation and improves work efficiency but also ensures the stability of the wheel hub during the painting process, effectively avoiding uneven painting caused by shaking.

[0017] The heightening and clamping mechanism, through the cooperation of the heightening rod and the fastening insert, achieves clamping of the wheel hub edge, further enhancing the wheel hub's fixation during the painting process. Simultaneously, the curved design of the clamping block's edge and the use of anti-slip rubber strips not only increase the friction between the clamping block and the wheel hub, preventing slippage during painting, but also protect the wheel hub surface, avoiding scratches caused by clamping. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a top view of the overall structure of this utility model;

[0020] Figure 3 This is a side view of the overall structure of this utility model;

[0021] Figure 4 This diagram illustrates the workbench, support, adjusting seat, adjusting rod, lateral clamping block, and adjusting column of this utility model.

[0022] Figure 5 This is an exploded view of the adjusting seat, the heightening rod, the fastening insert, the arc-shaped clamping block, and the fastening nut of this utility model.

[0023] In the diagram: 1. Workbench; 2. Support; 3. Adjusting seat; 4. Lateral clamping block; 5. Clamping spring; 6. Heightening rod; 7. Waist hole; 8. Fastening insert rod; 9. Arc-shaped clamping block; 10. Fastening nut; 11. Adjusting rod; 12. Adjusting column; 13. Telescopic device. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figure 1 - Figure 5 As shown, a clamping structure for automotive wheel hub painting is designed to improve the efficiency and quality of painting operations. The clamping structure mainly includes a worktable 1, a telescopic device 13, and a wheel hub to be painted. Multiple supports 2 are provided at the upper end of the worktable 1, and adjusting seats 3 are connected to the upper ends of these supports 2. An adjusting column 12 is inserted into the middle of the worktable 1. The adjusting seat 3 is connected to the adjusting column 12 via an adjusting rod 11. The telescopic device 13 is connected to the lower end of the adjusting column 12. A lateral clamping block 4 is connected to the side opening of the adjusting seat 3. A clamping spring 5 connected to the adjusting seat 3 is provided at the inner end of the lateral clamping block 4. The wheel hub to be painted is fitted onto the outside of the adjusting seat 3. The telescopic device 13 drives the adjusting column 12, thereby changing the outward expansion angle of the adjusting seat 3, thus clamping the wheel hub and facilitating the painting operation.

[0026] An extension rod 6 is connected to the upper end of the adjusting seat 3. A waist hole 7 is provided on the side wall of the extension rod 6. A fastening rod 8 is inserted into the waist hole 7. A fastening nut 10 is fitted onto the fastening rod 8 and fixed to the extension rod 6. The outer edge of the wheel hub rests on the upper end of the adjusting seat 3. The wheel hub is secured by the extension rod 6 and the fastening rod 8. An arc-shaped abutment block 9 is connected to the end of the fastening rod 8. The arc-shaped abutment block 9 consists of an arc-shaped block and a screw. The screw is located on the side of the arc-shaped block and is integrated with it. The screw is inserted into the screw hole of the fastening rod 8, achieving a threaded connection between the fastening rod 8 and the arc-shaped abutment block 9.

[0027] The edge of the arc-shaped clamping block 9 is designed in an arc shape, and the surface of the arc-shaped clamping block 9 is connected with anti-slip rubber strips by adhesive; multiple waist holes 7 are evenly distributed on the raising rod 6, the edge of the waist hole 7 is designed in an arc shape, and the surface of the raising rod 6 is connected with anti-slip rubber strips by adhesive; the fastening nut 10 rotates on the fastening insert 8 to press against the raising rod 6, and the diameter of the fastening insert 8 is the same as the width of the waist hole 7;

[0028] The adjusting column 12 has a "T" shaped cross-section and is connected to the telescopic end of the telescopic device 13 by a thread.

[0029] Multiple supports 2 are arranged in a ring on the worktable 1, and are fixed to the worktable 1 with bolts to ensure the stability and reliability of the fixture structure. Furthermore, this design considers ease of operation; the size of the fixture can be quickly adjusted via an adjustment device to accommodate wheel hubs of different sizes, enabling rapid changeovers and efficient operation. Simultaneously, each component of the fixture is carefully designed to ensure that the wheel hub is stably fixed during spraying, avoiding uneven spraying caused by shaking. In addition, the surface treatment of the fixture also considers anti-slip properties and durability, using anti-slip rubber strips and fastening nuts 10 to ensure stability and reliability during long-term use.

[0030] Multiple supports 2 are arranged in a ring on the workbench 1. The supports 2 are fixed to the workbench 1 with bolts. An adjusting seat 3 is connected to the upper end of the support 2. An adjusting column 12 is inserted into the middle of the workbench 1. The adjusting seat 3 is connected to the adjusting column 12 via an adjusting rod 11. A telescopic device 13 is connected to the lower end of the adjusting column 12. A lateral abutment block 4 is connected to the side opening of the adjusting seat 3. A retaining spring 5 is installed on the inner end of the lateral abutment block 4. An extension rod 6 is connected to the upper end of the adjusting seat 3. A waist hole 7 is made in the side wall of the extension rod 6. A fastening rod 8 is inserted into the waist hole 7 and fixed to the extension rod 6 with a fastening nut 10. An arc-shaped abutment block 9 is connected to the end of the fastening rod 8. The edge of the arc-shaped abutment block 9 is designed to be arc-shaped, and an anti-slip rubber strip is connected with adhesive. Anti-slip rubber strips are connected with adhesive to the edges of the multiple waist holes 7 and the surface of the extension rod 6. Ensure that the cross-section of the adjusting column 12 is T-shaped. Connect the adjusting column 12 to the telescopic end of the telescopic device 13 via threads.

[0031] Place the wheel hub to be painted onto the outside of the adjusting seat 3. Use the telescopic device 13 to move the adjusting column 12, changing the outward expansion angle of the adjusting seat 3 to clamp the wheel hub. The wheel hub is then secured using the raising rod 6 and the fastening rod 8. Ensure the outer edge of the wheel hub rests on the upper end of the adjusting seat 3. Adjust the fastening nut 10 as needed to ensure the wheel hub is stably fixed. Perform the painting operation, ensuring even and efficient spraying. After painting, loosen the fastening nut 10, adjust the clamping device, and remove the painted wheel hub. Place a new wheel hub and repeat the above steps for painting. Regularly check the tightness of all components of the clamp and the wear of the anti-slip rubber strips. Replace or repair as necessary to ensure the stability and reliability of the clamp.

[0032] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0033] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A fixture structure for painting automobile wheel hubs, comprising a worktable (1), a telescopic device (13), and a wheel hub to be painted, characterized in that: The upper end of the workbench (1) is provided with multiple supports (2), and the upper end of the supports (2) is connected to an adjustment seat (3). An adjustment column (12) is inserted into the middle of the workbench (1). The adjustment seat (3) is connected to the adjustment column (12) through an adjustment rod (11). The lower end of the adjustment column (12) is connected to a telescopic device (13). A lateral abutment block (4) is connected to the side opening of the adjustment seat (3), and the inner end of the lateral abutment block (4) is provided with a clamping spring (5) connected to the adjustment seat (3). The wheel hub to be painted is sleeved on the outside of the adjustment seat (3). The telescopic device (13) drives the adjustment column (12) to change the outward expansion angle of the adjustment seat (3), thereby abutting the wheel hub to achieve clamping, which facilitates the painting of the wheel hub. The upper end of the adjusting seat (3) is connected to a height-increasing rod (6), and the side wall of the height-increasing rod (6) is provided with a waist hole (7). A fastening rod (8) is inserted into the waist hole (7), and a fastening nut (10) is fitted on the fastening rod (8) and fixed to the height-increasing rod (6). The outer edge of the wheel hub rests on the upper end of the adjusting seat (3), and the wheel hub is tightened by the height-increasing rod (6) and the fastening rod (8).

2. The fixture structure for automotive wheel hub painting according to claim 1, characterized in that: The end of the fastening rod (8) is connected to an arc-shaped abutment block (9). The arc-shaped abutment block (9) is divided into an arc-shaped block and a screw. The screw is located on the side of the arc-shaped block. The screw and the arc-shaped block are designed as a single unit. The screw is inserted into the screw hole of the fastening rod (8) to achieve a threaded connection between the fastening rod (8) and the arc-shaped abutment block (9).

3. The fixture structure for automotive wheel hub painting according to claim 2, characterized in that: The edge of the arc-shaped abutment block (9) is arc-shaped, and the surface of the arc-shaped abutment block (9) is connected with anti-slip rubber strips by adhesive.

4. A fixture structure for automotive wheel hub painting according to claim 1 or 3, characterized in that: Multiple waist holes (7) are equidistantly distributed on the height-increasing rod (6). The edges of the waist holes (7) are arc-shaped. The surface of the height-increasing rod (6) is connected with anti-slip rubber strips by adhesive. The fastening nut (10) rotates on the fastening rod (8) and presses it against the height-increasing rod (6). The diameter of the fastening rod (8) is the same as the width of the waist holes (7).

5. The fixture structure for automotive wheel hub painting according to claim 4, characterized in that: The adjusting column (12) has a "T" shaped cross-section and is connected to the telescopic end of the telescopic device (13) by a thread.

6. The fixture structure for automotive wheel hub painting according to claim 5, characterized in that: Multiple supports (2) are arranged in a ring on the workbench (1), and the supports (2) are fixed to the workbench (1) by bolts.

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