Automobile generator end cover and bearing spin riveting tool
By designing a riveting fixture for automotive generator end caps and bearings that integrates rotating and pneumatic components, the problem of low mechanical assembly efficiency was solved, enabling efficient and precise riveting operations, improving production efficiency and product quality, and enhancing operational safety and convenience.
Patent Information
- Application Number
- CN202422383447.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-09-29
AI Technical Summary
In the existing technology, the mechanical assembly method of automobile generator end cover and bearing is inefficient, cannot meet the needs of large-scale installation, and has problems of installation instability and operational complexity.
A riveting fixture for automotive generator end caps and bearings, comprising a rotating component, a supporting component, and a pneumatic component, has been designed. It integrates a rotary motor and a reducer, is equipped with a locating pin groove and a riveting bearing, and combines a pneumatic switch and a stop switch to achieve efficient and precise riveting operations.
It improves production efficiency, ensures product consistency and quality, reduces errors, enhances operational safety and convenience, adapts to different models of generator end covers and bearings, and reduces equipment investment and maintenance costs.
Smart Images

Figure CN223544570U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a riveting fixture for an end cover and bearing of an automotive generator, belonging to the field of automotive generator technology. Background Technology
[0002] The traditional method for installing the end caps and bearings of automotive alternators is primarily through mechanical assembly. This method relies on precision machining and assembly processes to ensure the stability and reliability of the alternator. During installation, specialized tools are typically used for tightening to ensure stable connections between components. This method is inefficient and unsuitable for large-scale installations; therefore, a new type of installation fixture needs to be designed to improve installation efficiency. Utility Model Content
[0003] To address the problems existing in the prior art, this utility model provides a riveting fixture for automotive generator end caps and bearings, thereby solving the aforementioned technical problems.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a riveting fixture for an automotive generator end cover and bearing, comprising a worktable; a riveting fixture is provided on the worktable; a rotating assembly is provided at the lower end of the worktable; the rotating assembly includes a rotary motor and a reducer; a support assembly is provided on the worktable; a pneumatic assembly is provided on the support assembly; a pressure head below the pneumatic assembly is aligned with the riveting fixture; and the upper end of the riveting fixture is used to place the engine end cover and bearing components.
[0005] Furthermore, the riveting fixture includes a fixture body; a groove for placing a positioning pin is opened at the center of the upper end face of the fixture body; riveting bearings are arranged around the groove; the upper end face is in contact with the product surface; a groove is opened on the lower end face of the fixture body; the groove is connected to the rotary motor of the rotary assembly through a connecting key.
[0006] An angular contact bearing is also provided on the side of the tooling body near the rotating motor; the angular contact bearing is used to withstand the radial load and axial load generated when the motor rotates.
[0007] Furthermore, the support assembly includes support columns located around the workbench and a support platform located on the support columns; a pneumatic component is placed on the upper part of the support platform.
[0008] Furthermore, the pneumatic assembly includes a cylinder, a clamping rod, and a clamping head; one side of the clamping rod is connected to the clamping head; the clamping rod is connected to the cylinder.
[0009] Furthermore, the support platform is equipped with a pneumatic switch and a stop switch.
[0010] Furthermore, a control box is also provided at the lower end of the workbench, which is used to control the working status of the motor and other components.
[0011] The beneficial effects of this invention are as follows: By integrating a rotary motor and a reducer into the rotating assembly, the tooling can achieve stable high-speed rotation, significantly shortening the operation time during the riveting process. This efficient riveting process improves the overall efficiency of the production line, meeting the needs of large-scale production. The positioning pin groove and surrounding riveting bearing design on the riveting tooling ensure precise positioning of the end cap and bearing during the riveting process, reducing production errors caused by workpiece displacement, thereby improving product consistency and quality. By setting pneumatic switches and stop switches, operators can control the operation of the tooling more safely and conveniently. The pneumatic components can perform precise force control during the clamping process, avoiding workpiece damage or operator safety hazards caused by excessive clamping.
[0012] The design of this fixture takes user experience into consideration. The rational layout of the worktable and support components makes it easier to place and remove workpieces, reducing the workload of operators and improving operational comfort and convenience. The robust support structure provided by the support components can effectively withstand various forces on the workpiece during the riveting process, and, together with the angular contact bearings, bears the radial and axial loads generated by the motor, ensuring the stability and reliability of the equipment during long-term use.
[0013] This tooling design is adaptable to different models of automotive generator end covers and bearings, exhibiting strong versatility. With simple adjustments, it can meet the production needs of various products, reducing equipment investment and maintenance costs. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic cross-sectional view of the riveting fixture structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the upper end face structure of the riveting fixture of this utility model.
[0017] In the diagram: 1. Workbench, 11. Control box, 2. Riveting fixture, 21. Fixture body, 22. Positioning pin, 23. Slot 1, 24. Riveting bearing, 25. Slot 2, 3. Rotary motor, 4. Support assembly, 41. Support column, 42. Support platform, 421. Pneumatic switch, 422. Stop switch, 5. Pneumatic assembly, 51. Cylinder, 52. Clamping rod, 53. Clamping head, 6. Angular contact bearing. Detailed Implementation
[0018] 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. However, it should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit its scope.
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, a riveting fixture for an automotive generator end cover and bearing includes a worktable 1; a riveting fixture 2 is provided on the worktable 1; a rotating assembly is provided at the lower end of the worktable 1; the rotating assembly includes a rotary motor 3 and a reducer; a support assembly 4 is provided on the worktable 1; a pneumatic assembly 5 is provided on the support assembly 4; a pressure head below the pneumatic assembly 5 is aligned with the riveting fixture 2; the upper end of the riveting fixture 2 is used to place the engine end cover and bearing components.
[0021] In this preferred embodiment, the riveting fixture 2 includes a fixture body 21; the upper end face of the fixture body 21 has a groove 23 for placing a positioning pin 22 at its center; riveting bearings 24 are arranged around the groove 23; the upper end face is in contact with the product surface; the lower end face of the fixture body 21 has a groove 25; the groove 25 is connected to the rotary motor 3 of the rotary assembly through a connecting key.
[0022] In this preferred embodiment, the tooling body 21 is also provided with an angular contact bearing 6 on the side near the rotary motor 3; the angular contact bearing 6 is used to bear the radial load and axial load generated when the motor rotates.
[0023] In this preferred embodiment, the support component 4 includes support columns 41 located around the workbench 1 and a support platform 42 located on the support columns 41; a pneumatic component 5 is placed on the upper end of the support platform 42.
[0024] In this preferred embodiment, the pneumatic component 5 includes a cylinder 51, a clamping rod 52, and a clamping head 53; one side of the clamping rod 52 is connected to the clamping head 53; the clamping rod 52 is connected to the cylinder 51.
[0025] In this preferred embodiment, the support platform 42 is equipped with a pneumatic switch and a stop switch.
[0026] In this preferred embodiment, a control box 11 is also provided at the lower end of the workbench 1. The control box 11 is used to control the working status of the motor and other components.
[0027] This device, featuring a riveting fixture for the automotive generator end cover and bearings, incorporates several innovative designs. It not only improves production efficiency and product quality but also enhances operational safety and convenience, demonstrating broad application prospects and market value.
[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A riveting fixture for connecting an automotive generator end cover to a bearing, characterized in that, The device includes a workbench (1); a riveting fixture (2) is provided on the workbench (1); a rotating assembly is provided at the lower end of the workbench (1); the rotating assembly includes a rotary motor (3) and a reducer; a support assembly (4) is provided on the workbench (1); a pneumatic assembly (5) is provided on the support assembly (4); the pressure head below the pneumatic assembly (5) is aligned with the riveting fixture (2); the upper end of the riveting fixture (2) is used to place the engine end cover and bearing parts.
2. The riveting fixture for an automotive generator end cover and bearing according to claim 1, characterized in that, The riveting fixture (2) includes a fixture body (21); a groove (23) for placing a positioning pin (22) is opened at the center of the upper end face of the fixture body (21); riveting bearings (24) are arranged around the groove (23); the upper end face is in contact with the product surface; a groove (25) is opened on the lower end face of the fixture body (21); the groove (25) is connected to the rotary motor (3) of the rotary assembly through a connecting key.
3. The riveting fixture for an automotive generator end cover and bearing according to claim 2, characterized in that, The tooling body (21) is also provided with an angular contact bearing (6) on the side near the rotary motor (3); the angular contact bearing (6) is used to bear the radial load and axial load generated when the motor rotates.
4. The riveting fixture for an automotive generator end cover and bearing according to claim 1, characterized in that, The support assembly (4) includes support columns (41) located around the workbench (1) and a support platform (42) located on the support columns (41); a pneumatic assembly (5) is placed on the upper end of the support platform (42).
5. The riveting fixture for an automotive generator end cover and bearing according to claim 1, characterized in that, The pneumatic assembly (5) includes a cylinder (51), a clamping rod (52), and a clamping head (53); the clamping rod (52) is connected to the clamping head (53) on one side; the clamping rod (52) is connected to the cylinder (51).
6. The riveting fixture for an automotive generator end cover and bearing according to claim 4, characterized in that, The support platform (42) is equipped with a pneumatic switch (421) and a stop switch (422).
7. The riveting fixture for an automotive generator end cover and bearing according to claim 1, characterized in that, The lower end of the workbench (1) is also provided with a control box (11), which is used to control the working status of the motor and other components.