Clamp for camera housing machining

By using a multi-motor driven lead screw system and an adaptive clamping structure, the camera housing machining fixture achieves precise and rapid positioning and stable clamping, solving the problem of low positioning and clamping efficiency in existing technologies and improving machining accuracy and stability.

CN224310139UActive Publication Date: 2026-06-02CHANGCHUN XINAO OPTOELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGCHUN XINAO OPTOELECTRONICS CO LTD
Filing Date
2025-07-22
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Existing camera housing machining fixtures are inefficient in positioning and clamping, prone to introducing human error, and difficult to adapt to the stable clamping of workpieces of different sizes, affecting machining accuracy and efficiency.

Method used

The multi-motor driven lead screw system enables precise and rapid positioning of the machining mechanism in three-dimensional space, and automatic centering is achieved through an adaptive clamping structure. Combined with limit sliders and guide grooves, clamping stability is ensured.

Benefits of technology

It significantly improves machining flexibility and precision, suppresses machining vibration, and enhances clamping stability and machining quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fixture, especially a kind of fixture for camera shell processing. Including two support side plates, processing table is equipped between two support side plates, support side plate top is equipped with processing mechanism, third motor is fixedly connected with the bottom of processing table, the output of third motor is equipped with two-way screw rod, two symmetrical silk rod sleeves of screwing are connected on two-way screw rod, two silk rod sleeves top are all fixedly connected with the limiting slide block that passes through processing table and is slidably connected with it, limiting slide block top is fixedly connected with the clamping plate slidably connected with processing table. The utility model provides a kind of fixture with multiple degrees of freedom flexible adjustment capacity and stronger versatility, stability.
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Description

Technical Field

[0001] This utility model relates to the field of fixture technology, and in particular to a fixture for processing camera housings. Background Technology

[0002] As a key component of precision optical equipment, the camera housing typically involves multiple processes such as drilling, milling, and tapping, requiring extremely high positioning accuracy and stability. In mass production, efficiently and reliably fixing camera housing blanks of different sizes and specifications, and achieving flexible and precise positioning of machining mechanisms (such as drills and milling cutters), are crucial steps to ensure machining quality and efficiency.

[0003] However, existing fixtures for camera housing processing generally have certain limitations: on the one hand, the position adjustment of the processing mechanism often relies on manual or single-dimensional mechanical adjustment, making it difficult to achieve rapid and accurate coordinated positioning of the processing mechanism in the horizontal and vertical directions. This results in repeated machine stops for adjustment when processing different positions, which is inefficient and prone to human error. On the other hand, the clamping and fixing of the housing workpiece mostly adopts simple unidirectional clamping or fixed-size slots, which is difficult to adapt to the stable clamping of housings of different sizes. Especially when subjected to processing force, the workpiece is prone to displacement or vibration, affecting processing accuracy and surface quality. At the same time, it lacks efficient adaptive centering function, and the adjustment time for changing models is long. Utility Model Content

[0004] This invention provides a clamp with multi-degree-of-freedom flexible adjustment capabilities and greater versatility and stability.

[0005] The technical solution adopted by this utility model is as follows: a fixture for processing camera housings includes two supporting side plates, a processing table between the two supporting side plates, and the tops of the two supporting side plates are fixedly connected by an L-shaped top plate. A first motor is fixedly connected to one side of one of the supporting side plates. The output end of the first motor is provided with a first lead screw rotatably connected to the supporting side plate. A first sliding block slidably connected to the L-shaped top plate is threaded onto the first lead screw. A fixing frame is fixedly connected to the front side of the first sliding block. A second motor is fixedly connected to the top of the fixing frame. A second lead screw rotatably connected to the fixing frame is provided to the output end of the second motor. A second sliding block slidably connected to the fixing frame is threaded onto the second lead screw. A processing mechanism is fixedly installed on the front side of the second sliding block. A third motor is fixedly connected to the bottom of the processing table. A bidirectional lead screw is provided at the output end of the third motor. Two symmetrically arranged lead screw sleeves are threaded onto the bidirectional lead screw. A limiting slider passing through and slidably connected to the top of each of the two lead screw sleeves is fixedly connected. A clamping plate slidably connected to the processing table is fixedly connected to the top of the limiting slider.

[0006] As a further improvement of this utility model, a fixed base plate is provided at the bottom of both of the supporting side plates, and the processing table is fixedly connected to the two supporting side plates.

[0007] As a further improvement of this utility model, one end of the first lead screw is rotatably connected to the support side plate through a bearing, and two guide rods passing through the fixed frame are fixedly connected between the two support side plates, and the fixed frame is slidably connected to the two guide rods.

[0008] As a further improvement of this utility model, the bottom end of the second lead screw is rotatably connected to the top wall of the fixed frame through the second bearing, and two guide rods are fixedly connected inside the fixed frame, passing through the second sliding block, and the second sliding block is slidably connected to the two guide rods.

[0009] As a further improvement of this utility model, a bearing seat located at one end of a bidirectional lead screw is fixedly connected to the bottom of the processing table.

[0010] As a further improvement of this utility model, the processing table is provided with a limiting through groove for the limiting slider to pass through and slide, and two guide blocks are fixedly connected to the bottom of the clamping plate respectively located on both sides of the limiting slider. The processing table is provided with guide grooves on both sides of the limiting through groove for the guide blocks to slide.

[0011] As a further improvement of this utility model, a serrated structure is provided on one side of the clamping plate.

[0012] The beneficial effects of this utility model are as follows: This utility model achieves precise and rapid positioning of the machining mechanism in three-dimensional space by using a first motor to drive a first lead screw to control the horizontal position of the machining mechanism and a second motor to drive a second lead screw to control the vertical position of the machining mechanism, which greatly improves the machining flexibility. At the same time, by using a third motor to drive a bidirectional lead screw to drive the symmetrical clamping plates to move synchronously, combined with the constraints of the limiting slider and the guide groove, it can adaptively clamp camera shells of different sizes and automatically center them, effectively suppressing machining vibration and significantly improving clamping stability and machining accuracy. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a camera housing processing fixture according to the present invention;

[0014] Figure 2 This utility model relates to a jig for processing camera housings. Figure 1 Another perspective illustration;

[0015] Figure 3 This is a partial structural diagram of a jig for machining camera housings according to this utility model. Figure 1 ;

[0016] Figure 4This utility model relates to a jig for processing camera housings. Figure 3 Another perspective illustration;

[0017] Figure 5 This is a partial structural diagram of a jig for machining camera housings according to this utility model. Figure 2 .

[0018] As shown in the figure: 1. Support side plate; 2. Machining table; 3. L-shaped top plate; 4. Guide groove; 5. First motor; 6. First lead screw; 7. First sliding block; 8. Fixing frame; 9. Second motor; 10. Second lead screw; 11. Second sliding block; 12. Machining mechanism; 13. Third motor; 14. Bidirectional lead screw; 15. Lead screw sleeve; 16. Limiting slider; 17. Clamping plate; 18. Fixed base plate; 19. Bearing 1; 20. Guide rod 1; 21. Bearing 2; 22. Guide rod 2; 23. Bearing seat; 24. Limiting through groove; 25. Guide block. Detailed Implementation

[0019] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly mentioned in this specification are defined relative to their structure and are relative concepts. Therefore, they may vary depending on their location and usage; thus, these or other directional terms should not be interpreted as restrictive terms.

[0020] The singular forms “a,” “the,” and “the” used in this specification are intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes one or more of the associated listed items, any or all possible combinations thereof.

[0021] To make the technical problems to be solved, the technical solutions, and the beneficial effects of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0022] This utility model provides the following: Figures 1-5The fixture shown includes two supporting side plates 1, with a processing table 2 between them. The tops of the two supporting side plates 1 are fixedly connected by an L-shaped top plate 3. A first motor 5 is fixedly connected to one side of one of the supporting side plates 1. The output end of the first motor 5 is provided with a first lead screw 6 that is rotatably connected to the supporting side plate 1. A first sliding block 7 that is slidably connected to the L-shaped top plate 3 is threaded onto the first lead screw 6. A fixing frame 8 is fixedly connected to the front of the first sliding block 7. A second motor 9 is fixedly connected to the top of the fixing frame 8. The output end of the second motor 9 is provided with a connection to the fixing frame. The second lead screw 10 is rotatably connected to the fixed frame 8. The second lead screw 10 is threadedly connected to the second sliding block 11, which is slidably connected to the fixed frame 8. The processing mechanism 12 is fixedly installed on the front side of the second sliding block 11. The bottom of the processing table 2 is fixedly connected to the third motor 13. The output end of the third motor 13 is provided with a bidirectional lead screw 14. The bidirectional lead screw 14 is threadedly connected to two symmetrically arranged lead screw sleeves 15. The top of each lead screw sleeve 15 is fixedly connected to a limiting slider 16 that passes through the processing table 2 and is slidably connected to it. The top of the limiting slider 16 is fixedly connected to a clamping plate 17 that is slidably connected to the processing table 2.

[0023] like Figure 1 and Figure 2 As shown, in this utility model, the bottom of each of the two supporting side plates 1 is provided with a fixed base plate 18. The processing table 2 is fixedly connected to the two supporting side plates 1. The setting of the fixed base plate 18 can increase the stability of the entire fixture and make it more secure during operation.

[0024] like Figures 1-4 As shown, in this utility model, one end of the first lead screw 6 is rotatably connected to the support side plate 1 through the bearing 19. Two guide rods 20 that pass through the fixed frame 8 are fixedly connected between the two support side plates 1, and the fixed frame 8 is slidably connected to the two guide rods 20. The function of the guide rods 20 is to guide the sliding of the fixed frame 8 and ensure its stability and accuracy during the sliding process.

[0025] like Figures 1-4 As shown, in this utility model, the bottom end of the second lead screw 10 is rotatably connected to the top wall of the fixed frame 8 through the bearing 21. Two guide rods 22 that pass through the second sliding block 11 are fixedly connected inside the fixed frame 8, and the second sliding block 11 is slidably connected to the two guide rods 22. The guide rods 22 also play a guiding role, ensuring that the second sliding block 11 can move along an accurate trajectory when sliding, further improving the position adjustment accuracy of the processing mechanism 12.

[0026] like Figure 1 , Figure 2 , Figure 5As shown, in this utility model, the bottom of the processing table 2 is fixedly connected to a bearing seat 23 located at one end of the bidirectional lead screw 14. The bearing seat 23 can support and position the bidirectional lead screw 14, ensuring the stability of the bidirectional lead screw 14 during rotation, thereby ensuring that the lead screw sleeve 15 can accurately drive the limit slider 16 and the clamping plate 17 to move.

[0027] like Figure 1 and Figure 5 As shown, in this utility model, the processing table 2 is provided with a limiting through groove 24 for the limiting slider 16 to pass through and slide. The bottom of the clamping plate 17 is fixedly connected to two guide blocks 25 located on both sides of the limiting slider 16. The processing table 2 is provided with guide grooves 4 on both sides of the limiting through groove 24 for the guide blocks 25 to slide. The setting of the limiting through groove 24 and the guide grooves 4 further enhances the stability and accuracy of the sliding of the clamping plate 17.

[0028] like Figure 1 and Figure 5 As shown, the clamping plate 17 in this utility model has a serrated structure on one side. The serrated structure can increase the friction between the clamping plate 17 and the camera housing, making the clamping plate 17 more stable when clamping the camera housing, effectively preventing the camera housing from sliding or shifting during processing, thereby further improving the processing accuracy and quality.

[0029] Working Principle: In practical implementation, the camera housing is first placed on the processing table 2, and the third motor 13 is started. The third motor 13 drives the bidirectional lead screw 14 to rotate. Since the lead screw sleeves 15 on the bidirectional lead screw 14 are symmetrically arranged, the rotation of the bidirectional lead screw 14 will cause the two lead screw sleeves 15 to move towards or away from each other. When the lead screw sleeves 15 move, they will drive the limiting slider 16 fixedly connected to it to slide in the limiting through groove 24, which in turn drives the clamping plate 17 to slide on the processing table 2. The guide block 25 at the bottom of the clamping plate 17 slides in the guide groove 4, which plays a further guiding and stabilizing role. Finally, the two clamping plates 17 are brought closer to each other, and the serrated structure on one side of the clamping plate 17 tightly clamps the camera housing, realizing adaptive clamping and automatic centering for camera housings of different sizes.

[0030] When it is necessary to adjust the horizontal position of the processing mechanism 12, the first motor 5 is started. The first motor 5 drives the first lead screw 6 to rotate. The first sliding block 7 on the first lead screw 6 will slide on the L-shaped top plate 3. Since the fixed frame 8 is fixedly connected to the first sliding block 7, the fixed frame 8 will move together with the first sliding block 7. The guide rod 20 guides the sliding of the fixed frame 8, ensuring the stability and accuracy of its movement, thereby realizing the horizontal position adjustment of the processing mechanism 12.

[0031] When it is necessary to adjust the height position of the processing mechanism 12, the second motor 9 is started. The second motor 9 drives the second lead screw 10 to rotate. The second sliding block 11 on the second lead screw 10 will slide in the fixed frame 8. The guide rod 22 guides the sliding of the second sliding block 11 to ensure that it moves along the accurate trajectory, thereby driving the processing mechanism 12 to move in the height direction, so as to realize the position adjustment of the processing mechanism 12 in the height direction.

[0032] Through the coordinated control of the first motor 5 and the second motor 9, the machining mechanism 12 can be accurately and quickly positioned in three-dimensional space. After the camera housing is securely clamped and the machining mechanism 12 is adjusted to the appropriate position, the machining mechanism 12 can be started to perform machining operations such as drilling, milling, and tapping on the camera housing. Throughout the process, due to the secure clamping of the clamping plate 17 and the precise positioning of the machining mechanism 12, machining vibration can be effectively suppressed, significantly improving clamping stability and machining accuracy, and meeting the high-quality requirements of camera housing machining.

[0033] 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 the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fixture for machining camera housings, comprising two supporting side plates (1), characterized in that: A processing table (2) is provided between the two supporting side plates (1). The tops of the two supporting side plates (1) are fixedly connected by an L-shaped top plate (3). A first motor (5) is fixedly connected to one side of one of the supporting side plates (1). The output end of the first motor (5) is provided with a first lead screw (6) rotatably connected to the supporting side plate (1). A first sliding block (7) slidably connected to the L-shaped top plate (3) is threaded onto the first lead screw (6). A fixing frame (8) is fixedly connected to the front side of the first sliding block (7). A second motor (9) is fixedly connected to the top of the fixing frame (8). The output end of the second motor (9) is provided with a second lead screw (1) rotatably connected to the fixing frame (8). 0), the second lead screw (10) is threaded with a second sliding block (11) that is slidably connected to the fixed frame (8), the second sliding block (11) is fixedly installed with a processing mechanism (12) on the front side, the bottom of the processing table (2) is fixedly connected with a third motor (13), the output end of the third motor (13) is provided with a bidirectional lead screw (14), the bidirectional lead screw (14) is threaded with two symmetrically arranged lead screw sleeves (15), the top of the two lead screw sleeves (15) is fixedly connected with a limiting slider (16) that passes through the processing table (2) and is slidably connected to it, the top of the limiting slider (16) is fixedly connected with a clamping plate (17) that is slidably connected to the processing table (2).

2. The camera housing processing fixture according to claim 1, characterized in that: The bottom of each of the two supporting side plates (1) is provided with a fixed base plate (18), and the processing table (2) is fixedly connected to the two supporting side plates (1).

3. The camera housing processing fixture according to claim 1, characterized in that: One end of the first lead screw (6) is rotatably connected to the support side plate (1) via a bearing (19). Two guide rods (20) that pass through the fixed frame (8) are fixedly connected between the two support side plates (1), and the fixed frame (8) is slidably connected to the two guide rods (20).

4. The camera housing processing fixture according to claim 1, characterized in that: The bottom end of the second lead screw (10) is rotatably connected to the top wall of the fixed frame (8) through the bearing (21). The fixed frame (8) has two guide rods (22) that pass through the second sliding block (11) and are slidably connected to the two guide rods (22).

5. A fixture for machining a camera housing according to claim 1, characterized in that: The bottom of the processing table (2) is fixedly connected to a bearing seat (23) located at one end of the bidirectional lead screw (14).

6. A fixture for machining a camera housing according to claim 1, characterized in that: The processing table (2) is provided with a limiting through groove (24) for the limiting slider (16) to pass through and slide. The bottom of the clamping plate (17) is fixedly connected to two guide blocks (25) located on both sides of the limiting slider (16). The processing table (2) is provided with guide grooves (4) on both sides of the limiting through groove (24) for the guide blocks (25) to slide.

7. A fixture for machining a camera housing according to claim 1, characterized in that: The clamp (17) has a serrated structure on one side.