Fork installation fixture
By designing a fork installation fixture containing guidance, drive and limit components, the problem of low installation accuracy and difficult to ensure concentricity when assembling the fork is solved, and efficient and accurate concentric installation of the fork and the installation shaft is achieved.
Patent Information
- Application Number
- CN201711230420.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2017-11-29
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2037-11-29
AI Technical Summary
When assembling the fork, the installation accuracy is not high. Relying on manual experience, it is difficult to ensure the concentricity of the fork and the installation shaft in automated assembly, resulting in low installation efficiency and possible damage to parts.
A fork installation fixture is designed, including guide assembly, accommodation assembly, drive assembly and limit assembly. Through the guiding role of the slide rail and slide, the driving effect of the drive cylinder, and the limiting function of the limit shaft and the cylinder, to ensure the precise concentric installation of the fork and the installation shaft.
Through this fixture, the concentricity between the fork and the installation shaft can be significantly improved, the installation efficiency can be improved, the damage to parts can be reduced, and the structure can be optimized to avoid manual misoperation.
Smart Images

Figure CN107775307B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of jigs, and in particular to a shift fork mounting jig. Background Art
[0002] With the rapid development of social economy, cars are becoming more and more popular and have become a means of transportation for people in their daily lives. Among them, the gearbox is one of the core components of the car. The shift fork, as a component of the car gearbox, is connected to the speed change handle and is located at the lower end of the handle. The shift fork is used to change the input and output speed ratio by shifting the middle speed change wheel. The shift fork is also widely used in machine tools, and its main purpose is to achieve the speed change function.
[0003] At present, when assembling the shift fork, the shift fork is usually inserted into the accommodating cavity manually, and then the installation shaft is inserted into the accommodating cavity to penetrate the shift fork. The installation accuracy is not high and depends on the experience of the manual staff. At present, when assembling the shift fork automatically, it is difficult to ensure the concentricity of the installation shaft when the shift fork is penetrated, resulting in low installation efficiency and even damage to the installation shaft and / or the shift fork. Summary of the invention
[0004] The technical problem to be solved by the present invention is to provide a shift fork installation fixture, which can better ensure the concentricity of the shift fork and the installation shaft, has high installation efficiency and optimized structure.
[0005] In order to solve the above technical problems, the present invention provides a fork mounting fixture, comprising a mounting platform, a mounting shaft, a fork sleeved with the mounting shaft, and also comprising a guide assembly, a accommodating assembly, a driving assembly and a first limit assembly, wherein the guide assembly comprises a slide rail arranged on the mounting platform and extending along the Y-axis direction, and a slider slidably connected to the slide rail, the accommodating assembly comprises a mounting plate arranged on the slider, and an accommodating cavity arranged on the mounting plate, the fork is arranged in the accommodating cavity, one end of the mounting shaft penetrates into the accommodating cavity and passes through the fork, and the driving assembly It includes a driving cylinder that moves along the Y-axis direction and drives the mounting plate. The first limiting assembly includes a limiting shaft that is arranged at the bottom of the mounting plate and passes through the mounting plate, and a limiting cylinder that drives the limiting shaft to move along the Z-axis, extends into the accommodating cavity and abuts against the mounting shaft. A first contact sensor is arranged on the surface of the limiting shaft that contacts the mounting shaft, and the first contact sensor signal is connected to the limiting cylinder. A second contact sensor is arranged on the surface of the limiting shaft that contacts the fork, and the second contact sensor signal is connected to the driving cylinder.
[0006] Furthermore, the limiting shaft is provided with a contoured groove for receiving the mounting shaft, and the first contact sensor is arranged in the contoured groove.
[0007] Furthermore, a first magnetic component is disposed on the shift fork, and a second magnetic component is disposed on the limit shaft and operates along the Y-axis direction to attract and engage the first magnetic component.
[0008] Furthermore, the first magnetic member and the second magnetic member include magnets.
[0009] Furthermore, a mounting block for fixing the accommodating cavity is arranged on the mounting plate.
[0010] Furthermore, the mounting block is provided with a limiting groove for limiting the mounting axis in the Y-axis direction.
[0011] Furthermore, a vertical plate for limiting the mounting plate in the Z-axis direction is provided on the mounting platform.
[0012] Furthermore, the mounting platform is provided with reinforcing ribs fixedly connected to the vertical plate.
[0013] Furthermore, a double start button is provided on the mounting platform.
[0014] By means of the above technical solution, the present invention has at least the following advantages:
[0015] 1. By providing a guide assembly, including a slide rail and a slider, the mounting plate can be guided, which better ensures the movement accuracy of the overall fixture, ensures the concentricity of the mounting shaft and the fork sleeve, improves the installation efficiency, and optimizes the structure;
[0016] 2. By providing a driving assembly, including a driving cylinder, the mounting plate can be driven to move along the Y-axis direction until the limiting shaft contacts the shift fork, so as to limit the shift fork and ensure the verticality of the shift fork relative to the Y-axis, thereby improving the concentricity of the mounting shaft and the shift fork sleeve and improving the installation efficiency;
[0017] 3. By setting a limit assembly, including a limit shaft, for receiving the installation shaft, the horizontality of the installation shaft relative to the Y axis is better ensured, thereby improving the concentricity of the installation shaft and the fork sleeve, improving the installation efficiency, and optimizing the structure;
[0018] 4. By providing the first contact sensor and the second contact sensor, the movement accuracy of the limit cylinder and the drive cylinder is better guaranteed, thereby improving the concentricity of the installation shaft and the fork sleeve, ensuring the accuracy of the installation and improving the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;
[0020] Figure 2 It is a partial structural schematic diagram of the present invention;
[0021] Figure 3 It is a schematic diagram of the shift fork structure of the present invention;
[0022] Figure 4 It is a schematic diagram of the limit shaft structure of the present invention.
[0023] In the above drawings: 1. mounting table; 2. mounting shaft; 3. shift fork; 4. slide rail; 5. slider; 6. mounting plate; 7. accommodating chamber; 8. driving cylinder; 9. limiting shaft; 10. limiting cylinder; 11. first contact sensor; 12. second contact sensor; 13. contour groove; 14. first magnetic member; 15. second magnetic member; 16. mounting block; 17. limiting groove; 18. vertical plate; 19. reinforcing rib; 20. double start button. DETAILED DESCRIPTION
[0024] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0025] Combination Figures 1 to 4 As shown, the present invention discloses a shift fork mounting fixture, including a mounting platform 1, a mounting shaft 2, and a shift fork 3 sleeved on the mounting shaft 2. The present invention also includes a guide assembly, a accommodating assembly, a driving assembly and a first limiting assembly.
[0026] The guide assembly includes a slide rail 4 arranged on the mounting platform 1 and extending in the Y-axis direction, and a slider 5 slidably connected to the slide rail 4. Through the above-mentioned setting method, the accommodating assembly can be guided, which better ensures the movement accuracy of the overall fixture, ensures the concentricity of the mounting shaft 2 and the fork 3, improves the installation efficiency, and optimizes the structure. The accommodating assembly includes a mounting plate 6 arranged on the slider 5, and an accommodating cavity 7 arranged on the mounting plate 6. The fork 3 is arranged in the accommodating cavity 7, and one end of the mounting shaft 2 is inserted into the accommodating cavity 7 and penetrates the fork 2.
[0027] The driving assembly includes a driving cylinder 8 that moves along the Y-axis direction and drives the mounting plate 6. By providing the driving cylinder 8, the mounting plate 6 can be better driven to move along the Y-axis direction until the limiting shaft 9 contacts the shift fork 3, which can better limit the shift fork 3 and ensure the verticality of the shift fork 3 relative to the Y-axis, thereby improving the concentricity of the mounting shaft 2 and the shift fork 3 and improving the installation efficiency.
[0028] The first limiting assembly includes a limiting shaft 9 arranged at the bottom of the mounting plate 6 and passing through the mounting plate 6, and a limiting cylinder 10 driving the limiting shaft 9 to move along the Z axis and extend into the accommodating cavity 7 and abut against the mounting shaft 2. By setting the limiting shaft 9 for receiving the mounting shaft 2, the horizontality of the mounting shaft 2 relative to the Y axis is better guaranteed, thereby improving the concentricity of the mounting shaft 2 and the fork 3, improving the installation efficiency, and optimizing the structure. A first contact sensor 11 is arranged on the surface of the limiting shaft 9 in contact with the mounting shaft 2, and the signal of the first contact sensor 11 is connected to the limiting cylinder 10. A second contact sensor 12 is arranged on the surface of the limiting shaft 9 in contact with the fork 3, and the signal of the second contact sensor 12 is connected to the driving cylinder 8. Through the above-mentioned setting method, the accuracy of the movement of the limiting cylinder 10 and the driving cylinder 8 is better guaranteed, thereby improving the concentricity of the mounting shaft 2 and the fork 3, ensuring the accuracy of the installation, and improving the installation efficiency.
[0029] The limit shaft 9 is provided with a contoured groove 13 for receiving the installation shaft 2, and the first contact sensor 11 is arranged in the contoured groove 13. Through the above-mentioned arrangement, the horizontality of the installation shaft 2 relative to the Y-axis can be better ensured, and the installation accuracy can be ensured. The shift fork 3 is provided with a first magnetic part 14, and the limit shaft 9 is provided with a second magnetic part 15 that runs along the Y-axis direction and attracts the first magnetic part 14. In the present invention, the first magnetic part 14 and the second magnetic part 15 preferably include magnets. By providing a magnet, the buffering force of the limit shaft 9 when it conflicts with the shift fork 3 can be offset, thereby improving the accuracy of assembly.
[0030] The mounting plate 6 is provided with a mounting block 16 for fixing the accommodating cavity 7, and the mounting block 16 is provided with a limiting groove 17 for limiting the mounting axis 2 in the Y-axis direction. The mounting platform 1 is provided with a vertical plate 18 for limiting the mounting plate 6 in the Z-axis direction, and the mounting platform 1 is provided with a reinforcing rib 19 for fixing and connecting the vertical plate 18. Through the above-mentioned setting method, the stability of the movement of the whole device can be better guaranteed, and the structure is optimized. The mounting platform 1 is provided with a double start button 20, which can better avoid the phenomenon of manual misoperation, ensure the safety of the whole device, and optimize the function.
[0031] The above-described embodiments are only preferred embodiments for fully illustrating the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or changes made by those skilled in the art based on the present invention are within the protection scope of the present invention. The protection scope of the present invention shall be subject to the claims.
Claims
1. A fork mounting fixture, comprising a mounting platform, a mounting shaft, and a fork sleeved on the mounting shaft, characterized in that: It also includes a guide component, a accommodating component, a driving component and a first limiting component, wherein the guide component includes a slide rail arranged on the mounting table and extending along the Y-axis direction, a slider slidably connected to the slide rail, the accommodating component includes a mounting plate arranged on the slider, an accommodating cavity arranged on the mounting plate, a mounting block for fixing the accommodating cavity is arranged on the mounting plate, the shift fork is arranged in the accommodating cavity, one end of the mounting shaft penetrates into the accommodating cavity and passes through the shift fork, the driving component includes a driving cylinder that moves along the Y-axis direction and drives the mounting plate, the first limiting component includes a limiting shaft that is arranged at the bottom of the mounting plate and passes through the mounting plate, and drives the limiting shaft to move along the Z-axis and extend into the accommodating cavity and a limit cylinder abutting against the mounting shaft, a first contact sensor is arranged on the surface of the limit shaft in contact with the mounting shaft, and the first contact sensor signal is connected to the limit cylinder, and a second contact sensor is arranged on the surface of the limit shaft in contact with the shift fork, and the second contact sensor signal is connected to the driving cylinder; a first magnetic part is arranged on the shift fork, and a second magnetic part is arranged on the limit shaft for running along the Y-axis direction and attracting the first magnetic part; a limit groove for limiting the mounting shaft in the Y-axis direction is arranged on the mounting block; a contour groove for receiving the mounting shaft is arranged on the limit shaft, and the first contact sensor is arranged in the contour groove; the first magnetic part and the second magnetic part include magnets.
2. The fork installation fixture according to claim 1, characterized in that: The mounting platform is provided with a vertical plate for limiting the mounting plate in the Z-axis direction.
3. The fork installation fixture according to claim 2, characterized in that: The mounting platform is provided with reinforcing ribs fixedly connected to the vertical plate.
4. The fork installation fixture according to claim 1, characterized in that: A double start button is arranged on the mounting platform.
Citation Information
Patent Citations
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