Spin riveting device for gear ring riveting sleeve assembly of automatic clearance adjusting arm

Abstract

The utility model relates to an automatic clearance adjusting arm gear ring riveting sleeve assembly spin riveting device which comprises a machine frame, a lifting workbench arranged on the machine frame, a fixing seat arranged on the workbench and a riveting head arranged above the fixing seat, the riveting head is rotatably installed on the machine frame and composed of an inner riveting head body and an outer riveting head body, and the inner riveting head body and the outer riveting head body are arranged on the machine frame. And spin riveting is carried out from the inner side and the outer side of the riveting sleeve of the gear ring riveting sleeve assembly. When the gear ring riveting sleeve assembly is fixed, the gear ring riveting sleeve assembly can be conveniently riveted and fixed together through matching of the riveting head and the fixing base, operation is easy, use is convenient and fast, production efficiency is improved, the gear ring riveting sleeve assembly produced in a spin riveting mode is full riveting achieved through deformation of the riveting sleeve, connection firmness is higher, and the service life of the gear ring riveting sleeve assembly is prolonged. The product quality is ensured, the durability is improved, the service life is prolonged, and the working sensitivity of the automatic clearance adjusting arm is further ensured.

Description

Technical Field

[0001] The utility model relates to a rotary riveting device for a gear ring riveting sleeve assembly of an automatic gap adjusting arm, belonging to the technical field of automatic gap adjusting arm production. Background Art

[0002] The gear ring rivet sleeve assembly is one of the important components of the automatic clearance adjustment arm. In order to ensure the sensitivity and reliability of the automatic clearance adjustment arm and prevent slippage between the rivet sleeve and the connecting plate of the control arm, the gear ring, rivet sleeve and control arm need to be riveted and fixed. The current method is to assemble the gear ring, rivet sleeve, sealing ring and control arm together, and manually process the rivet points to fix the above parts. This method is time-consuming and labor-intensive, with low production efficiency. In addition, the number of manual rivet points is limited, and the rivet point method has a small contact area, which is prone to disengagement and poor durability. During use, it is easy for the rivet sleeve and control arm to be not firmly connected, affecting the sensitivity of the self-adjusting arm. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects and shortcomings of the above-mentioned background technology and provide a riveting device with an automatic gap adjustment arm gear ring riveting sleeve assembly that is easy to use and has high production efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides an automatic gap adjustment arm gear ring rivet sleeve assembly riveting device, comprising a frame, a lifting workbench arranged on the frame, a fixed seat arranged on the workbench and a rivet head arranged above the fixed seat, the rivet head being rotatably mounted on the frame, the fixed seat comprising a mounting seat, a fixed base arranged in the center of the mounting seat, a positioning platform arranged on the top of the fixed seat and a fixed platform, the positioning platform and the fixed platform are all coaxially arranged with the fixed base, the diameters of the fixed base, the positioning platform and the fixed platform are successively reduced to form a step shape, a positioning groove is provided at the outer edge of the positioning platform, the positioning groove is adapted to the notch on the gear ring of the gear ring rivet sleeve assembly, the positioning groove extends downward from the top surface of the positioning platform to the fixed base, the rivet head is composed of an inner rivet head and an outer rivet head, so as to perform riveting from the inner and outer sides of the rivet sleeve of the gear ring rivet sleeve assembly. When riveting the gear ring and sleeve assembly using this rotary riveting device, the gear ring, sleeve, cover plate, control arm, and seal ring are placed on the mounting base according to the drawing requirements. The rivet head is then rotated to secure them. This is simple to operate and highly efficient. Compared to point riveting, this full-riveting method offers greater strength and durability, ensuring the agility of the self-adjusting arm.

[0005] Furthermore, a placement plate for placing workpieces is provided under the workbench, one end of the placement plate is fixedly connected to the fixing plate under the workbench, and the other end extends out of the workbench, thereby improving the convenience of use of the utility model.

[0006] Furthermore, a placement groove for placing parts is provided on the placement plate to prevent the workpiece from falling.

[0007] Furthermore, the mounting seat is in the shape of a stepped cylindrical platform, which is mounted on the workbench via a locking mechanism. The cylindrical platform shape of the mounting seat not only meets the height and usage requirements, but also reduces the material consumption of the mounting seat and reduces the processing cost of the fixing seat.

[0008] Furthermore, a positioning shaft is provided on the bottom surface of the mounting seat, and the positioning shaft is adapted to be installed in the positioning hole provided on the workbench, and its bottom end is loosely matched with the positioning hole. The cooperation between the positioning block and the positioning shaft improves the convenience of installing the fixing seat.

[0009] Furthermore, a connecting ring is fixedly connected to one side of the fixed base, and a support block is provided below the connecting ring. A compression screw is mounted inside the support block, and the lower end of the compression screw passes through the connecting ring and the support block and is threadedly connected to the fixed base. This technical solution can strengthen the fixed base, improve the firmness of the fixed base on the workbench, and prevent the fixed base from rotating during riveting, which would affect the processing quality.

[0010] Furthermore, a positioning block having a height greater than that of the positioning platform is provided on the fixed base corresponding to the positioning groove, and the height of the positioning block above the positioning platform is less than the thickness of the gear ring. The design of the positioning block can facilitate the positioning of the gear ring in the gear ring rivet sleeve assembly, thereby improving the convenience of use.

[0011] Compared with the prior art, the present invention has the following technical effects:

[0012] When the utility model is used to fix the gear ring rivet sleeve assembly, the gear ring rivet sleeve assembly can be conveniently riveted together by utilizing the cooperation of the rivet head and the fixing seat. The operation is simple, the use is convenient, and the production efficiency is improved. In addition, the gear ring rivet sleeve assembly produced by the rotary riveting method is a full rivet achieved by utilizing the deformation of the rivet sleeve, and the connection is more firm, which ensures product quality, improves its durability, and extends its service life, thereby ensuring the sensitivity of the automatic gap adjustment arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings, which constitute part of this specification and are used to further understand the present invention, illustrate preferred embodiments of the present invention and, together with the specification, are used to illustrate the principles of the present invention.

[0014] Figure 1 This is a schematic three-dimensional structural diagram of the utility model of the automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device;

[0015] Figure 2 yes Figure 1 Schematic diagram of the connection between the middle rivet head and the mounting block;

[0016] Figure 3 yes Figure 1 One of the schematic three-dimensional structural diagrams of the middle fixing seat;

[0017] Figure 4 It is a schematic three-dimensional structural diagram of the fixing seat of Example 2 of the present utility model.

[0018] Numbers in the figure: 1. Frame, 101. Base, 102. Column; 2. Workbench; 3. Fixed seat, 301. Mounting seat, 302. Fixed base, 303. Positioning platform, 304. Fixed platform, 305. Positioning slot, 306. Positioning block; 4. Rivet head, 401. External rivet head, 402. Internal rivet head; 5. Driving motor; 6. Mounting block; 7. Rivet head cap; 8. Slide rail; 9. Slider; 10. Driving mechanism; 11. Fixed plate; 12. Clamping bolt; 13. Foot switch; 14. Pressing plate; 15. Placement plate; 16. Connecting ring; 17. Clamping stud; 18. Support block. DETAILED DESCRIPTION

[0019] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention can be implemented in many different ways as defined and covered by the claims.

[0020] The automatic clearance adjustment arm gear ring rivet sleeve assembly involved in the utility model is a component that constitutes the automatic clearance adjustment arm of an automobile. It is an assembly composed of a gear ring with annular internal teeth, a cover plate, a connecting plate and a sealing ring that are riveted together by a rivet sleeve with annular external teeth.

[0021] Please refer to the attached Figures 1 to 3 The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device of the embodiment of the utility model is described in detail:

[0022] Example 1: Figure 1 The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device shown in the figure includes a frame 1, a lifting workbench 2 provided on the frame 1, a fixed base 3 provided on the workbench 2, and a rivet head 4 provided above the fixed base 3. In this embodiment, the frame 1 includes a base 101 and a column 102 fixed to the base 101. An electric control box is provided on one side of the column 102. The rivet head 4 is rotatably mounted on the column 102. A drive motor 5 for driving the rivet head 4 is also installed on the column 102. Figure 2As shown, the rivet head 4 is fixedly mounted on the mounting block 6 via the rivet head cap 7, and the output shaft of the drive motor 5 is fixedly connected to the mounting block 6, so that the power source provided by the drive motor 5 is transmitted to the mounting block 6, thereby driving the mounting block 6 to rotate and then driving the rivet head 4 to rotate. The lifting workbench 2 is lifted and lowered by the reciprocating movement of the drive mechanism 10 along the column 102. The drive mechanism 10 can be a hydraulic cylinder. The bottom of the cylinder body of the hydraulic cylinder is mounted on the base 101, and its piston rod is fixedly connected to the fixed plate 11. The workbench 2 is fixedly mounted on the fixed plate 11. A slider 9 is fixedly provided at one end of the fixed plate 11. The slider 9 is slidably connected to the slide rail 11 fixedly connected to the column, and the two form a sliding pair. Driven by the drive mechanism 10, the fixed plate 11 drives the slider 9 to slide up and down along the slide rail 8, thereby driving the workbench 2 to rise and fall. A foot switch 13 for controlling the drive mechanism is provided on one side of the base 101.

[0023] In other embodiments of the present invention not shown in the figures, the driving mechanism 10 can also adopt a driving method in which a screw and a sleeve are cooperated. The sleeve is installed on the base 102 through a bearing. The sleeve is rotated to drive the screw to move up and down, thereby driving the workbench 2 to move up and down. The sleeve can be driven manually or electrically, preferably electrically.

[0024] When using the rotary riveting device of this embodiment, place the gear ring, rivet sleeve, cover plate, control arm, and sealing ring on the fixing seat 3 according to the drawing requirements, start the driving mechanism to drive the workbench 2 to rise, and after it is raised to the right position, start the driving motor 1. The driving motor 1 drives the rivet head 4 to rotate and thus perform rotary riveting. The operation is simple and efficient. Compared with the riveting method of riveting points, this full riveting method is more firm and durable, ensuring the sensitivity of the self-adjusting arm. Figure 2 As shown, the rivet head 4 consists of an inner rivet head 402 and an outer rivet head 401, which are used to perform riveting from the inside and outside of the rivet sleeve of the gear ring rivet sleeve assembly to ensure the stability and firmness of the connection between the various parts of the gear ring rivet sleeve assembly.

[0025] In order to facilitate the placement of the components of the gear ring rivet sleeve assembly that constitutes the self-adjusting arm, and also to facilitate the placement of tools, a placement plate 15 is provided under the workbench 2. One end of the placement plate 15 is fixedly connected to the fixed plate under the workbench 2, and the other end extends out of the workbench 2. Specifically, the placement plate 15 is T-shaped, with its small end located between the workbench and the fixed plate, and the large end extending out of the workbench 2. A placement groove for placing parts is provided on the placement plate 15 (not shown in the figure).

[0026] In this embodiment, the mounting base 301 is in the shape of a stepped cylindrical table. The mounting base 301 is mounted on the workbench 2 through a locking mechanism. The mounting base of this embodiment is fixed to the workbench 2 through the pressing plate 14, the clamping bolt 12 and the jacking bolt. Figure 1The pressure plate 14 has an oblong hole along its length. One end of the clamping bolt 12 is threadedly connected to the workbench 2, and the other end passes through the oblong hole and is clamped by a clamping nut. A threaded hole is opened on the pressure plate 14, and a jacking bolt is connected to the threaded hole. One end of the jacking bolt is threadedly connected to the screw hole, and the other end is pressed against the workbench 2. The pressure plate 14 and the clamping bolt 12 and jacking bolts that cooperate with the pressure plate fix the mounting base 301 to form a locking mechanism. In other embodiments of the present invention not shown in the figure, the fixing base 2 can also be clamped by the pressure plate and a hydraulic cylinder or a pneumatic cylinder.

[0027] In this embodiment, if Figure 3 As shown, the fixing seat 3 includes a mounting seat 301, a fixing base 302 arranged at the center of the mounting seat 301, a positioning platform 303 and a fixing platform 304 arranged on the top of the fixing seat 3. The positioning platform 303 and the fixing platform 304 are both coaxially arranged with the fixing base 302. The diameters of the fixing base 302, the positioning platform 303 and the fixing platform 304 are successively reduced to form a step shape. A positioning groove 305 is provided at the outer edge of the positioning platform 303. The positioning groove 305 is adapted to the notch on the gear ring of the gear ring rivet sleeve assembly. The positioning groove 305 extends downward from the top surface of the positioning platform 303 to the fixing base 302. The positioning groove 305 can be provided to conveniently position the gear ring of the gear ring rivet sleeve assembly. When in use, positioning can be achieved by simply aligning the notch of the gear ring with the positioning groove 305, which is convenient to use.

[0028] A positioning shaft (not shown) is provided on the bottom surface of the mounting base 301. The positioning shaft is adapted to be installed in a positioning hole provided in the workbench 2, with its bottom end having a clearance fit in the positioning hole. The positioning shaft cooperates with the positioning hole in the workbench 2, facilitating the installation of the fixing base and improving installation convenience.

[0029] Example 2: This example adds a fixing structure to prevent the fixing seat 3 from loosening during the riveting process on the basis of the above example, thereby improving the stability of the fixing seat 3, ensuring the firmness of the riveting of the various components of the gear ring riveting sleeve, and ensuring product quality. The other structures of this example are the same as those of Example 1 and will not be repeated here. The fixing structure of this example is specifically as follows: Figure 4 As shown, a connecting ring 16 is fixedly connected to one side of the fixed base 302, and a support block 18 is provided below the connecting ring 16, in which a clamping screw 17 is installed. The lower end of the clamping screw 17 passes through the connecting ring 16 and the support block 18 and is threadedly connected to the threaded hole opened on the fixed base 302.

[0030] Example 3: See Figure 3This embodiment adds a positioning block to Example 2. The other structures are the same as Example 2. The difference between this embodiment and Example 2 is that a positioning block 306 is provided on the fixed base 302 at the corresponding positioning groove 305. The height of the positioning block 306 is greater than the height of the positioning platform 303. The height of the positioning block 306 above the positioning platform 303 is less than the thickness of the gear ring. The positioning block 306 facilitates the positioning of the gear ring, not only increasing its convenience, but also preventing the gear ring from rotating during the riveting process.

[0031] In summary, when the rotary riveting device of the automatic gap adjustment arm gear ring rivet sleeve assembly of the embodiment of the utility model is adopted, the gear ring rivet sleeve assembly can be conveniently riveted together, the operation is simple, the use is convenient, and the production efficiency is improved. The gear ring rivet sleeve assembly produced by the rotary riveting method is a full rivet achieved by utilizing the deformation of the rivet sleeve, and the connection is more firm, which ensures product quality, improves its durability, and extends its service life, thereby ensuring the sensitivity of the automatic gap adjustment arm.

[0032] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A riveting device for an automatic gap adjustment arm gear ring riveting sleeve assembly, comprising a frame, a lifting workbench disposed on the frame, a fixed seat disposed on the workbench, and a rivet head disposed above the fixed seat, wherein the rivet head is rotatably mounted on the frame, and is characterized in that: The fixing seat includes a mounting seat, a fixing base arranged at the center of the mounting seat, a positioning platform and a fixing platform arranged on the top of the fixing seat. The positioning platform and the fixing platform are coaxially arranged with the fixing base. The diameters of the fixing base, the positioning platform and the fixing platform are successively reduced to form a step shape. A positioning groove is provided at the outer edge of the positioning platform. The positioning groove is adapted to the notch on the gear ring of the gear ring rivet sleeve assembly. The positioning groove extends downward from the top surface of the positioning platform to the fixing base. The rivet head consists of an inner rivet head and an outer rivet head to perform rotary rivets from the inner and outer sides of the rivet sleeve of the gear ring rivet sleeve assembly.

2. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to claim 1, characterized in that: A placement plate for placing workpieces is provided below the workbench, one end of the placement plate is fixedly connected to the fixed plate below the workbench, and the other end extends out of the workbench.

3. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to claim 2, characterized in that: A placement groove for placing parts is provided on the placement plate.

4. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to claim 1, characterized in that: The mounting seat is in the shape of a stepped cylindrical platform and is mounted on the workbench through a locking mechanism.

5. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to claim 4, characterized in that: A positioning shaft is provided on the bottom surface of the mounting seat. The positioning shaft is adapted to be installed in a positioning hole provided on the workbench, and the bottom end of the positioning shaft is clearance-matched with the positioning hole.

6. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to any one of claims 1 to 5, characterized in that: A connecting ring is fixedly connected to one side of the fixed base, and a support block is provided below the connecting ring, in which a compression screw is sleeved. The lower end of the compression screw passes through the connecting ring and the support block and is threadedly connected to the fixed base.

7. The automatic gap adjustment arm gear ring riveting sleeve assembly rotary riveting device according to claim 6, characterized in that: A positioning block having a height greater than that of the positioning platform is provided on the fixed base corresponding to the positioning groove, and the height of the positioning block above the positioning platform is less than the thickness of the gear ring.

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