A fixed clamp for polishing an automobile headlamp connecting piece

By setting clamping and driving components on the inner ring of the bearing, stable rotation of the bolt is achieved, solving the problem of low bolt grinding efficiency and improving grinding effect and efficiency.

CN224407265UActive Publication Date: 2026-06-26SUZHOU PROGRESS PRECISION PARTS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU PROGRESS PRECISION PARTS CO LTD
Filing Date
2025-05-23
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In existing technologies, bolts cannot rotate during the grinding process, resulting in low grinding efficiency.

Method used

A fixing fixture for grinding automotive headlight connectors was designed. By setting a clamping component on the inner ring of the bearing and using a drive component to drive the bit to rotate, the bolt can be rotated stably. Combined with sandpaper or a grinding brush, it can be ground evenly.

Benefits of technology

This improved the grinding effect and efficiency of bolts, ensuring a uniform and stable grinding operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to polishing equipment technical field, and disclose a kind of automobile headlamp connecting piece polishing is fixed clamp, including pedestal, the upper surface of one end of pedestal is connected with support column, the middle position of pedestal upper surface is fixedly connected with fixed base, fixed base is connected with bearing away from the one side of pedestal, the outer wall of bearing outer ring is fixedly connected with fixed base, the inner ring of bearing is connected with several clamping components, the side of support column close to bearing is connected with drive component, the end of drive component close to bearing is connected with batch head. This kind of automobile headlamp connecting piece polishing is fixed clamp, by setting clamping component on the inner ring of bearing, the bolt that needs to be polished is clamped in the axial position of bearing, then batch head is rotated by drive component, and the end of batch head is inserted in the end of bolt, so as to drive bolt to rotate stably in the middle position of bearing inner ring, can use polishing sandpaper, polishing brush etc. to polish the outer surface of rotating bolt, improve the polishing effect and polishing efficiency of bolt.
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Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, specifically a fixing fixture for grinding automotive headlight connectors. Background Technology

[0002] Automotive headlight connectors are crucial components that ensure the headlight assembly is securely installed and accurately aligned with the vehicle body. Their key role is not only to maintain the performance of the lighting system but also directly related to driving safety. Connectors come in various forms depending on the design and manufacturer, commonly including snap-fit, bolt / screw-fixed, sliding rail, and bracket / support types, with bolt / screw-fixed connectors being the most widely used. After production, to ensure a smooth fit between the bolt connectors and the vehicle and headlight assembly, they are typically processed using grinding equipment to remove burrs and smooth the surface, thereby improving performance and safety.

[0003] Patent CN218194537U discloses a bracket for casting automotive connectors, including a support plate. The upper surface of the support plate has two fixing grooves, which are hinged to two clamps via two pins. The opposing faces of the two clamps are fixedly connected to the far ends of two springs, while the near ends of the two springs are fixedly connected to the left and right sides of a fixing block. By setting the fixing grooves, when the worker moves the bracket to a suitable position, they can manually rotate the rotating block to clamp and fix the newly cast connector. This avoids the need for manual clamping for grinding and painting, reducing labor intensity and improving work efficiency. Furthermore, the support plate can be rotated to facilitate grinding and painting of the outer surface of the connector to be processed.

[0004] However, the bolt grinding device in the above technology still has the following problems: during the bolt grinding process, the bolt is fixed and cannot rotate, which limits the grinding operation and can only be processed on one side, resulting in relatively low grinding efficiency. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a fixing fixture for grinding automotive headlight connectors, thereby improving the grinding efficiency of bolted connectors.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fixing fixture for grinding automotive headlight connectors, comprising a base, a support column connected to the upper surface of one end of the base, a fixing seat fixedly connected to the middle position of the upper surface of the base, a bearing connected to the side of the fixing seat away from the base, the outer wall of the outer ring of the bearing fixedly connected to the fixing seat, a plurality of clamping components connected to the inner ring of the bearing, a driving component connected to the side of the support column near the bearing, and a bit connected to the end of the driving component near the bearing, the bit being located at the axial position of the bearing.

[0007] Furthermore, the drive assembly includes a rotary motor and a telescopic component. The telescopic component is fixedly connected to the side of the support column near the bearing. The telescopic end of the telescopic component is fixedly connected to the rotary motor. The output shaft of the rotary motor is connected to the bit.

[0008] Furthermore, the output shaft of the rotary motor is fixedly connected to a chuck, which securely holds the bit through an adjustable clamping mechanism inside, enabling the bit to transmit torque stably.

[0009] Furthermore, several stabilizing rods are fixedly connected to the outer wall of the rotating motor, and the ends of the stabilizing rods away from the bearings all pass through the support column and are slidably connected to the support column.

[0010] Furthermore, the clamping assembly includes an inner ring fixing block and a telescopic rod. The inner ring fixing block is fixedly connected to the inner ring of the bearing and extends to the side of the bearing away from the support column. A telescopic hole is opened through the inner ring fixing block on the side away from the central axis of the bearing. The telescopic rod is slidably connected to the telescopic hole. An L-shaped clamping plate is fixedly connected to the end of the telescopic rod near the central axis of the bearing. A fixing plate is fixedly connected to the end of the telescopic rod away from the L-shaped clamping plate. A contraction spring is fixedly connected to the side of the fixing plate near the inner ring fixing block. The other end of the contraction spring is fixedly connected to the inner ring fixing block. The contraction spring is sleeved on the telescopic rod.

[0011] Furthermore, a limit groove is provided on the outer wall of the telescopic rod, and a limit strip is fixedly connected to the inner wall of the telescopic hole, with the limit strip slidingly connected to the limit groove.

[0012] Furthermore, a nut is connected to the outer wall of the telescopic rod near the L-shaped clamp, and the nut is fitted onto the telescopic rod and threadedly connected to the telescopic rod.

[0013] Furthermore, the inner wall of the L-shaped clamp faces the support column, and an anti-slip pad is fixedly connected to the side of the L-shaped clamp closest to the support column.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] This type of fixing fixture for grinding automotive headlight connectors uses a clamping component on the inner ring of the bearing to clamp the bolt to be ground at the axial position of the bearing. Then, the drive component drives the bit to rotate and inserts the end of the bit into the end of the bolt, thereby driving the bolt to rotate stably in the middle position of the inner ring of the bearing. Sandpaper, grinding brushes, etc. can be used to evenly grind the outer surface of the rotating bolt, improving the grinding effect and grinding efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall appearance and connection structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure of this utility model from another angle;

[0018] Figure 3 This is a schematic diagram of the bit connection structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the bearing and the clamping assembly of this utility model;

[0020] Figure 5 For based on Figure 4 An exploded view of the clamping component connection structure.

[0021] In the diagram: 1. Base; 2. Support column; 3. Fixing seat; 4. Bearing; 5. Screwdriver bit; 6. Rotary motor; 7. Telescopic component; 8. Clamp; 9. Stabilizing rod; 10. Inner ring fixing block; 11. Telescopic rod; 12. L-shaped clamp; 13. Fixing plate; 14. Retraction spring; 15. Limiting strip; 16. Nut; 17. Anti-slip pad; 101. Telescopic hole; 102. Limiting groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0023] Please see Figures 1 to 5 A fixing fixture for grinding automotive headlight connectors includes a base 1, a support column 2 connected to the upper surface of one end of the base 1, a fixing seat 3 fixedly connected to the middle position of the upper surface of the base 1, a bearing 4 connected to the side of the fixing seat 3 away from the base 1, the outer wall of the outer ring of the bearing 4 fixedly connected to the fixing seat 3, a plurality of clamping components connected to the inner ring of the bearing 4, a drive component connected to the side of the support column 2 near the bearing 4, and a bit 5 connected to the end of the drive component near the bearing 4, the bit 5 being located at the axial position of the bearing 4.

[0024] like Figures 1 to 5As shown, the main improvement of this utility model lies in improving the grinding effect and efficiency of the headlight connecting bolts, such as... Figures 1 to 5 As shown, the fixing fixture for grinding automotive headlight connectors in this utility model can clamp and fix bolts with burrs or surface defects in the middle position of bearing 4 using multiple clamping components. Then, the bit 5 is inserted into the cross groove or slot at the end of the bolt, and the bit 5 is driven to rotate rapidly by the drive component, thereby causing the bolt, clamping components, and the inner ring of bearing 4 to rotate within the outer ring of bearing 4. At this time, sandpaper or a grinding brush can be used to grind the threaded part of the bolt, thereby removing burrs and other defects at the threaded part, improving the bolt's performance. The uniform rotation of the bolt makes the grinding operation more even and stable, improving the grinding effect and efficiency of the bolt.

[0025] like Figures 1 to 3 As shown, the drive assembly includes a rotary motor 6 and a telescopic component 7. The telescopic component 7 is fixedly connected to the support column 2 near the bearing 4. The telescopic end of the telescopic component 7 is fixedly connected to the rotary motor 6, and the output shaft of the rotary motor 6 is connected to the bit 5. The telescopic component 7 drives the rotary motor 6 and the bit 5 to approach the bolt clamped in the middle of the bearing 4, thereby inserting the bit 5 into the nut of the bolt. The telescopic effect of the telescopic component 7 can accommodate bolt heads of different thicknesses, improving applicability. In conjunction with the clamping assembly, it can clamp and rotate bolts of different sizes and thicknesses, facilitating grinding operations. The telescopic component 7 can be a telescopic cylinder, electric actuator, etc., and the telescopic length of the telescopic component 7 can be controlled by a controller, so that the bit 5 can be inserted into bolt heads of different sizes when clamping bolts of different sizes.

[0026] like Figures 1 to 3 As shown, the output shaft of the rotary motor 6 is fixedly connected to a chuck 8. The chuck 8 securely holds the bit 5 through its internal adjustable clamping mechanism, enabling the bit 5 to stably transmit torque. The chuck 8 allows for the replacement of different bits 5 according to the size and type of bolt to be ground, improving the applicability of the grinding device. Both the chuck 8 and the bit 5 are existing technologies, such as the common chuck 8 structure used at the front of a hand drill to clamp and fix the drill bit and bit 5. The adjustable clamping mechanism inside the chuck 8 securely holds and fixes the bit 5, allowing for the replacement of the bit 5 to install the appropriate bolt.

[0027] like Figures 1 to 3As shown, several stabilizing rods 9 are fixedly connected to the outer wall of the rotary motor 6. The ends of the stabilizing rods 9 away from the bearing 4 all pass through the support column 2 and are slidably connected to the support column 2. When the telescopic component 7 drives the rotary motor 6 and the bit 5 to extend or retract, the rotary motor 6 can be supported by the stabilizing rods 9 through the sliding between the stabilizing rods 9 and the support column 2, which prevents the rotary motor 6 from shaking after extension and improves the stability of the rotary motor 6.

[0028] like Figures 1 to 5 As shown, the clamping assembly includes an inner ring fixing block 10 and a telescopic rod 11. The inner ring fixing block 10 is fixedly connected to the inner ring of the bearing 4 and extends to the side of the bearing 4 away from the support column 2. A telescopic hole 101 is provided through the inner ring fixing block 10 on the side away from the central axis of the bearing 4. The telescopic rod 11 is slidably connected to the telescopic hole 101. An L-shaped clamping plate 12 is fixedly connected to one end of the telescopic rod 11 near the central axis of the bearing 4. A fixing plate 13 is fixedly connected to one end of the telescopic rod 11 away from the L-shaped clamping plate 12. A contraction spring 14 is fixedly connected to one side of the fixing plate 13 near the inner ring fixing block 10. The other end of the contraction spring 14 is fixedly connected to the inner ring fixing block 10. The contraction spring 14 is sleeved on the telescopic rod 11. When clamping and fixing the bolt, pull the telescopic rod 11 outwards towards the bearing 4, then place the bolt in the middle position of the bearing 4, and finally release the telescopic rod 11. At this time, the contraction spring 14 contracts, and through the fixing plate 13, it drives the telescopic rod 11 to move in the telescopic hole 101 towards the axis of the bearing 4, so that the end of the L-shaped clamp 12 abuts against the threaded rod of the bolt, and the side of the L-shaped clamp 12 abuts against the side of the bolt head. With the help of other clamping components, the bolt can be clamped and fixed in the middle position of the bearing 4. Then, the bit 5 is inserted into the bolt head. When rotating, it drives the bolt to rotate, and then drives the inner ring of the bearing 4 to rotate through the clamping components. This allows for rotational grinding operations while clamping the bolt, improving the grinding effect and grinding efficiency of the bolt. It should be noted that the number of clamping components should not be less than three sets, and they should be distributed around the inner ring of the bearing 4 to clamp and fix the bolt in the central axis position of the bearing 4.

[0029] like Figures 1 to 5 As shown, a limiting groove 102 is formed on the outer wall of the telescopic rod 11, and a limiting strip 15 is fixedly connected to the inner wall of the telescopic hole 101. The limiting strip 15 is slidably connected to the limiting groove 102. Through the sliding between the limiting groove 102 and the limiting strip 15, when the telescopic rod 11 slides and extends within the telescopic hole 101 of the inner ring fixing block 10, the inner side of the L-shaped clamp 12 always faces the direction of the support column 2, thereby making the clamping of the bolt by the L-shaped clamp 12 more stable.

[0030] like Figures 1 to 5As shown, a nut 16 is connected to the outer wall of the telescopic rod 11 near the L-shaped clamp 12. The nut 16 is fitted onto the telescopic rod 11 and threadedly connected to it. After the bolt is clamped and fixed at the axial position of the bearing 4 by multiple clamping components, the nut 16 is rotated on the telescopic rod 11, causing it to abut against the inner side of the inner ring fixing block 10. This prevents the telescopic rod 11 from extending or retracting outward. During rotary grinding, the centrifugal force generated by the rotation will not be able to drive the telescopic rod 11 to move outward, ensuring that the multiple telescopic rods 11 always keep the bolt clamped, thus improving the stability of the rotary grinding operation.

[0031] like Figures 1 to 5 As shown, the inner wall of the L-shaped clamp 12 faces the support column 2, and an anti-slip pad 17 is fixedly connected to the side of the L-shaped clamp 12 closest to the support column 2. When the inner side of the L-shaped clamp 12 abuts against the side of the bolt head, the anti-slip pad 17 can increase the friction between the L-shaped clamp 12 and the bolt head, so that when the bit 5 drives the bolt to rotate, the bolt can smoothly drive the L-shaped clamp 12 and the inner ring of the bearing 4 to rotate, thus improving the stability of rotary grinding.

[0032] 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.

Claims

1. A fixing fixture for grinding automotive headlight connectors, comprising a base (1), characterized in that: A support column (2) is connected to the upper surface of one end of the base (1). A fixed seat (3) is fixedly connected to the middle position of the upper surface of the base (1). A bearing (4) is connected to the side of the fixed seat (3) away from the base (1). The outer wall of the outer ring of the bearing (4) is fixedly connected to the fixed seat (3). Several clamping components are connected to the inner ring of the bearing (4). A drive component is connected to the side of the support column (2) near the bearing (4). A bit (5) is connected to the end of the drive component near the bearing (4). The bit (5) is located on the axis of the bearing (4).

2. The fixing fixture for grinding automotive headlight connectors according to claim 1, characterized in that: The drive assembly includes a rotary motor (6) and a telescopic component (7). The telescopic component (7) is fixedly connected to the support column (2) on the side near the bearing (4). The telescopic end of the telescopic component (7) is fixedly connected to the rotary motor (6). The output shaft of the rotary motor (6) is connected to the bit (5).

3. The fixing fixture for grinding automotive headlight connectors according to claim 2, characterized in that: The output shaft of the rotary motor (6) is fixedly connected to a clamp (8), which firmly holds the bit (5) through an adjustable clamping mechanism inside, so that the bit (5) can transmit torque stably.

4. A fixing fixture for grinding automotive headlight connectors according to claim 2, characterized in that: The outer wall of the rotary motor (6) is fixedly connected with several stabilizing rods (9). The ends of the several stabilizing rods (9) away from the bearing (4) all pass through the support column (2) and are slidably connected to the support column (2).

5. A fixing fixture for grinding automotive headlight connectors according to claim 1, characterized in that: The clamping assembly includes an inner ring fixing block (10) and a telescopic rod (11). The inner ring fixing block (10) is fixedly connected to the inner ring of the bearing (4) and extends to the side of the bearing (4) away from the support column (2). The inner ring fixing block (10) has a telescopic hole (101) through it on the side away from the central axis of the bearing (4). The telescopic rod (11) is slidably connected to the telescopic hole (101). An L-shaped clamp (12) is fixedly connected to one end of the telescopic rod (11) near the central axis of the bearing (4). A fixing plate (13) is fixedly connected to one end of the telescopic rod (11) away from the L-shaped clamp (12). A contraction spring (14) is fixedly connected to one side of the fixing plate (13) near the inner ring fixing block (10). The other end of the contraction spring (14) is fixedly connected to the inner ring fixing block (10). The contraction spring (14) is sleeved on the telescopic rod (11).

6. A fixing fixture for grinding automotive headlight connectors according to claim 5, characterized in that: The outer wall of the telescopic rod (11) is provided with a limiting groove (102), and the inner wall of the telescopic hole (101) is fixedly connected with a limiting strip (15), and the limiting strip (15) is slidably connected to the limiting groove (102).

7. A fixing fixture for grinding automotive headlight connectors according to claim 5, characterized in that: The telescopic rod (11) has a nut (16) attached to the outer wall of the end near the L-shaped clamp (12). The nut (16) is fitted onto the telescopic rod (11) and threadedly connected to the telescopic rod (11).

8. A fixing fixture for grinding automotive headlight connectors according to claim 5, characterized in that: The inner wall of the L-shaped clamp (12) faces the support column (2), and an anti-slip pad (17) is fixedly connected to the side of the L-shaped clamp (12) near the support column (2).