Fixture for automobile gear machining and production

Abstract

The utility model relates to the technical field of gear machining, in particular to a clamp for machining and producing an automobile gear, and solves the problems that in the prior art, the gear is inconvenient to stably clamp during machining, so that the gear deviates during machining, the machining effect of the gear is influenced, and in the high-speed cutting or grinding process, the machining efficiency of the gear is influenced. And due to infinitesimal displacement caused by unstable clamping, the problem of size deviation of the gear can be caused. The clamp for automobile gear machining and production comprises a frame body, a side frame is fixedly connected to one side of the outer wall of the frame body, and a driving motor is fixedly connected to one side of the outer wall of the side frame through bolts. According to the gear clamping device, gears of different specifications can be effectively clamped, the flexibility and the production efficiency of the device are remarkably improved, due to the design of the tooth blocks on the arc-shaped clamping plates, the clamping stability and firmness are enhanced, the gear size deviation caused by unstable clamping is reduced, and the machining precision and the consistency of the product quality are improved.

Description

Technical Field

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

[0002] Automotive gear machining is a crucial step in the automotive manufacturing industry, significantly impacting the overall performance and lifespan of automotive transmission systems. Fixtures, as a core component, play a vital role in fixing workpiece positions, ensuring machining accuracy, and improving production efficiency. Particularly in the machining of precision automotive gears, the stability and accuracy of the fixtures directly affect whether high-precision production requirements can be met.

[0003] Specifically, existing technologies have gradually revealed a series of significant limitations and technical problems when processing automotive gears of specific shapes and materials. In particular, existing technologies are not conducive to stable clamping during gear machining, leading to gear misalignment during processing and affecting the machining results. During high-speed cutting or grinding, even minute displacements caused by unstable clamping can cause gear dimensional deviations, affecting the quality of the final product. Furthermore, operators need to spend extra time adjusting the fixture to accommodate gears of different specifications, which not only increases operational complexity but also significantly reduces production efficiency. At the same time, errors from manual adjustments are unavoidable, resulting in poor product quality consistency and making it difficult to meet the stringent requirements of mass production. Therefore, to address the numerous shortcomings of existing technologies, we urgently need a fixture for automotive gear machining production to solve these problems. Utility Model Content

[0004] The purpose of this invention is to provide a fixture for automotive gear processing, which solves the problem in the prior art that it is not convenient to stably clamp gears during processing, which causes gears to shift during processing and thus affects the gear processing effect. In high-speed cutting or grinding, small displacements caused by unstable clamping may cause gear size deviations and affect the quality of the final product.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A fixture for automotive gear processing includes a frame, a side frame fixedly connected to one side of the outer wall of the frame, a drive motor fixedly connected to one side of the outer wall of the side frame by bolts, a bidirectional screw rotatably connected to the inner side of the side frame, both ends of the bidirectional screw being threadedly connected to nut seats, and bearing plates slidably connected to both sides of the inner side of the frame, with one side of each bearing plate fixedly connected to one side of each nut seat. Both bearing plates are adjustablely connected to arc-shaped clamping plates, and several tooth blocks are fixedly connected to opposite sides of each of the two arc-shaped clamping plates. A bearing rod is fixedly connected to one side of the bottom inner side of the frame, and a limit screw is threadedly connected to the top of the bearing rod, with a pressing cover plate fixedly connected to the top of the limit screw.

[0007] Preferably, the top of each of the two arc-shaped clamps is fixedly connected to an adjustment frame, and the inner side of each of the two adjustment frames is provided with an inner plate, and one side of each of the two adjustment frames is provided with a threaded rod, wherein the one side of the adjustment frame and the inner plate are provided with threaded grooves for use with the threaded rod.

[0008] Preferably, both adjustment frames have several threaded grooves.

[0009] Preferably, the upper inner sides of the frame are fixedly connected to sliding rods, and both ends of the two sliding rods are fitted with sliding sleeves, and the four sliding sleeves are fixedly connected to the top of the two bearing plates respectively.

[0010] Preferably, one end of the bidirectional screw is rotatably connected to the inner wall of the side frame via a rotating shaft, and the other end of the bidirectional screw passes through the side wall of the side frame via a bearing sleeve. One end of each of the two bearing plates passes through the side wall of the frame via a movable groove, and one side of each of the two bearing plates is fixedly connected to one side of each of the two nut seats.

[0011] Preferably, a processing groove is provided on the top of the frame.

[0012] This utility model has the following beneficial effects:

[0013] By incorporating a support rod, a limiting screw, and a pressing cover plate, the gear is initially positioned and its vertical displacement is prevented, improving the stability of gear fixation. The combined design of the drive motor, bidirectional screw, and nut seat allows the arc-shaped clamping plate to be quickly and accurately adjusted, effectively clamping gears of different specifications and significantly improving the flexibility and production efficiency of the equipment. The tooth block design on the arc-shaped clamping plate not only enhances the stability and firmness of clamping but also reduces gear dimensional deviations caused by clamping instability, improving machining accuracy and product quality consistency. The adjustable design of the inner plate within the adjustment frame further expands the application range of the fixture, enabling it to adapt to gears of different thicknesses. This not only solves the problems of inconvenient operation, low efficiency, and unstable quality of traditional fixtures but also greatly reduces labor costs and the risk of equipment wear, extending the service life of the equipment. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0016] Figure 2 This is a top view of the structure of this utility model;

[0017] Figure 3 This is a side view of the structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the bearing plate and its structure of the present invention;

[0019] Figure 5 This is a schematic diagram of the bottom structure of the arc-shaped clamping plate of this utility model.

[0020] In the diagram: 1. Frame; 2. Machining groove; 3. Bearing plate; 4. Slide rod; 5. Slide sleeve; 6. Arc-shaped clamping plate; 7. Tooth block; 8. Adjusting frame; 9. Threaded rod; 10. Threaded groove; 11. Bearing rod; 12. Limiting screw; 13. Side frame; 14. Bidirectional screw; 15. Nut seat; 16. Drive motor; 17. Movable groove; 18. Extrusion cover plate; 19. Inner plate. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0022] Reference Figure 1-5 A fixture for automotive gear processing includes a frame 1. A side frame 13 is fixedly connected to one side of the outer wall of the frame 1, and a drive motor 16 is fixedly connected to one side of the outer wall of the side frame 13 by bolts. A bidirectional screw 14 is rotatably connected to the inner side of the side frame 13. Nut seats 15 are threadedly connected to both ends of the bidirectional screw 14. Bearing plates 3 are slidably connected to both sides of the inner side of the frame 1. One side of each of the two bearing plates 3 is fixedly connected to one side of each of the two nut seats 15. Arc-shaped clamping plates 6 are adjustablely connected to both of the two bearing plates 3. Several tooth blocks 7 are fixedly connected to the opposite side of each of the two arc-shaped clamping plates 6. A bearing rod 11 is fixedly connected to one side of the bottom inner side of the frame 1. A limiting screw 12 is threadedly connected to the top of the bearing rod 11, and a pressing cover plate 18 is fixedly connected to the top of the limiting screw 12.

[0023] First, the gear to be processed is fitted onto the support rod 11. Then, the limiting screw 12 is rotated and screwed onto the top of the support rod 11, causing the extrusion cover 18 to move downwards to initially extrude and limit the gear, ensuring that the gear will not move up or down during processing. Next, the drive motor 16 is started, driving the bidirectional screw 14 to rotate. The nut seats 15 at both ends of the bidirectional screw 14 move along the screw, thereby causing the arc-shaped clamping plate 6 to move inwards or outwards via the two support plates 3. When the toothed block 7 between the two arc-shaped clamping plates 6 meshes with the gear, the arc-shaped clamping plate 6 securely holds the gear, ensuring that the gear will not shift during processing. Furthermore, the vertical position of the inner plate 19 in the adjustment frame 8 can be adjusted as needed to accommodate gears of different thicknesses, ensuring that the toothed block 7 can accurately mesh and clamp with the gear. Finally, the inner plate 19 is limited and fixed to complete the entire clamping process.

[0024] Furthermore, an adjustment frame 8 is fixedly connected to the top of each of the two arc-shaped clamping plates 6, and an inner plate 19 is provided on the inner side of each of the two adjustment frames 8. A threaded rod 9 is provided on one side of each of the two adjustment frames 8. Threaded grooves 10 that cooperate with the threaded rod 9 are opened on one side of the adjustment frame 8 and on the inner plate 19. Depending on the thickness of the gear, the inner plate 19 can be slid up and down in the adjustment frame 8 to adjust the height of the arc-shaped clamping plate 6. Then, the threaded rod 9 is screwed into the threaded groove 10 on the adjustment frame 8 and the inner plate 19 for fixation. This allows the clamp to adapt to gears of different thicknesses, ensuring that the gear block 7 can accurately mesh and clamp with the gear, thus improving the versatility and flexibility of the equipment.

[0025] Furthermore, each of the two adjustment frames 8 has several threaded grooves 10, which provide more fixing points for the threaded rod 9, making the height adjustment of the inner plate 19 more precise and flexible.

[0026] Furthermore, sliding rods 4 are fixedly connected to both sides of the upper inner side of the frame 1, and sliding sleeves 5 are fitted at both ends of the two sliding rods 4. The four sliding sleeves 5 are fixedly connected to the top of the two bearing plates 3 respectively. The bearing plates 3 are slidably connected to the sliding rods 4 on both sides of the upper inner side of the frame 1 through the sliding sleeves 5 at the top, ensuring that the bearing plates 3 have high stability and guidance during movement, and avoiding shaking or displacement of the bearing plates 3 during movement.

[0027] Furthermore, one end of the bidirectional screw 14 is rotatably connected to the inner wall of the side frame 13 via a rotating shaft, and the other end of the bidirectional screw 14 passes through the side wall of the side frame 13 via a bearing sleeve. One end of each of the two bearing plates 3 passes through the side wall of the frame 1 via a movable groove 17, and one side of each of the two bearing plates 3 is fixedly connected to one side of each of the two nut seats 15.

[0028] Furthermore, a machining groove 2 is provided on the top of the frame 1. The machining groove 2 provides sufficient operating space for gear machining, allowing the machining tool to act directly on the gear surface and avoiding interference from the fixture structure in the machining process.

[0029] In summary:

[0030] First, the gear to be processed is fitted onto the support rod 11. Then, the limiting screw 12 is rotated and screwed into the top of the support rod 11, causing the extrusion cover 18 to move down to initially extrude and limit the gear, ensuring that the gear will not move up or down during processing. Next, the drive motor 16 is started, driving the bidirectional screw 14 to rotate. The nut seats 15 at both ends of the bidirectional screw 14 move along the bidirectional screw 14, thereby causing the arc-shaped clamping plate 6 to move inward or outward through the two support plates 3. When the tooth block 7 between the two arc-shaped clamping plates 6 meshes with the gear, the arc-shaped clamping plate 6 firmly clamps the gear, ensuring that the gear will not shift during processing. Furthermore, the vertical position of the inner plate 19 in the adjusting frame 8 can be adjusted as needed to accommodate gears of different thicknesses, ensuring that the tooth block 7 can accurately mesh and clamp with the gear. Finally, the threaded rod 9 is screwed into the threaded groove 10 on the adjusting frame 8 and the inner plate 19 for fixation. During this process, the slide bar 4 and the sliding sleeve 5 ensure the stability and guidance of the support plate 3 during movement, preventing the support plate 3 from shaking or shifting. One end of the bidirectional screw 14 is rotatably connected to the inner wall of the side frame 13 via a rotating shaft, and the other end passes through the side wall of the side frame 13 via a bearing sleeve, ensuring its stable rotation. The support plate 3 passes through the side wall of the frame 1 via the movable groove 17, achieving smooth lateral movement. The machining groove 2 opened at the top of the frame 1 provides sufficient operating space for gear machining, allowing the machining tool to directly act on the gear surface, avoiding interference from the fixture structure in the machining process. The arrangement of the bearing rod 11, limiting screw 12, and pressing cover plate 18 achieves initial positioning of the gear and prevents vertical displacement, improving the stability of gear fixing. The combined design of the drive motor 16, bidirectional screw 14, and nut seat 15 allows the arc-shaped clamping plate 6 to be quickly and accurately adjusted in position, effectively clamping gears of different specifications and significantly improving the flexibility and production efficiency of the equipment. The design of the adjusting frame 8, inner plate 19, threaded rod 9, and threaded groove 10 allows the height position of the arc-shaped clamping plate 6 to be adjusted according to the different thicknesses of the gears, further enhancing the versatility and adaptability of the fixture and ensuring that the gear block 7 can accurately mesh and clamp with the gear. The multiple threaded grooves 10 provide more fixing points. This allows for more precise and flexible height adjustment of the inner plate 19, improving clamping accuracy and stability. The coordinated use of the slide bar 4 and the slide sleeve 5 ensures the stability and guidance of the support plate 3 during movement, preventing swaying or offset of the support plate 3 during movement, thus improving the reliability and accuracy of equipment operation. The bidirectional screw 14, through the setting of the rotating shaft and bearing sleeve, ensures stable rotation. The support plate 3 passes through the side wall of the frame 1 via the movable slot 17, achieving smooth lateral movement and improving the ease of operation and clamping efficiency of the fixture. The machining slot 2 at the top of the frame 1 provides sufficient operating space for gear machining, optimizing machining efficiency and safety, and reducing machining errors caused by fixture structure limitations.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A fixture for the production of automobile gear machining, comprising a frame (1), characterized in that, A side frame (13) is fixedly connected to one side of the outer wall of the frame (1), and a drive motor (16) is fixedly connected to one side of the outer wall of the side frame (13) by bolts. A bidirectional screw (14) is rotatably connected to the inner side of the side frame (13). Nut seats (15) are threadedly connected to both ends of the bidirectional screw (14). A bearing plate (3) is slidably connected to both sides of the inner side of the frame (1). One side of the two bearing plates (3) is fixedly connected to one side of the two nut seats (15). An arc-shaped clamp (6) is adjustablely connected to both of the two bearing plates (3). Several tooth blocks (7) are fixedly connected to the opposite side of the two arc-shaped clamps (6). A bearing rod (11) is fixedly connected to one side of the bottom inner side of the frame (1). A limit screw (12) is threadedly connected to the top of the bearing rod (11). A compression cover plate (18) is fixedly connected to the top of the limit screw (12).

2. The fixture for machining production of automobile gear according to claim 1, wherein, The top of each of the two arc-shaped clamps (6) is fixedly connected with an adjustment frame (8), and the inner side of each of the two adjustment frames (8) is provided with an inner plate (19), and one side of each of the two adjustment frames (8) is provided with a threaded rod (9), wherein the one side of the adjustment frame (8) and the inner plate (19) are provided with a threaded groove (10) for use with the threaded rod (9).

3. The fixture for machining production of automobile gear according to claim 2, wherein, The two adjustment frames (8) each have several threaded grooves (10).

4. The fixture for machining production of automobile gears according to claim 1, characterized in that, The upper inner sides of the frame (1) are fixedly connected with sliding rods (4), and both ends of the two sliding rods (4) are fitted with sliding sleeves (5), and the four sliding sleeves (5) are fixedly connected to the top of the two bearing plates (3) respectively.

5. The fixture for machining production of automobile gears according to claim 1, characterized in that, One end of the bidirectional screw (14) is rotatably connected to the inner wall of the side frame (13) through a rotating shaft, and the other end of the bidirectional screw (14) passes through the side wall of the side frame (13) through a bearing sleeve. One end of each of the two bearing plates (3) passes through the side wall of the frame (1) through a movable groove (17), and one side of each of the two bearing plates (3) is fixedly connected to one side of each of the two nut seats (15).

6. The fixture for machining production of automobile gears according to claim 1, characterized in that, The top of the frame (1) is provided with a processing groove (2).

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