Pressing rivet positioning tool for processing steering wheel framework

Abstract

The utility model belongs to the technical field of electromechanical equipment, and particularly relates to a pressing rivet positioning tool for processing a steering wheel framework, which comprises an operating table and a fixed table, the fixed table is fixedly mounted on the upper surface of the operating table, a circular placing seat is fixedly mounted on the upper surface of the fixed table, and a mounting groove is formed in the upper surface of the circular placing seat. An ejection mechanism is arranged at the bottom of the operation table and comprises a connecting unit and a moving unit, and the connecting unit comprises a connecting column, a supporting plate and a first air cylinder. According to the press-riveting positioning tool for processing the steering wheel framework, by arranging the ejection mechanism, after press-riveting of the steering wheel framework is completed, the steering wheel framework is ejected out of the interior of the mounting groove through upward movement of the vertical column, and a worker can take out the steering wheel framework conveniently; the two L-shaped positioning columns are fixedly installed on the side face of one end of the transverse plate and move along with the transverse plate, meanwhile, the stop lever is fixedly installed on the side face of one end of the fixing table, and after the L-shaped positioning columns move to make contact with the stop lever, positioning is completed, and pressing riveting operation is conducted on the steering wheel framework.

Description

Technical Field

[0001] The utility model relates to the technical field of electromechanical equipment, in particular to a riveting positioning tool for processing a steering wheel skeleton. Background Art

[0002] The steering wheel is an important part of the car that directly interacts with people. Its comfort and structural reliability directly affect people's evaluation of the performance of the whole vehicle. The basic component of the steering wheel is the frame, which is mostly made of iron, steel or alloy materials through die casting. After forming, the frame needs to be further processed and other parts added to gradually form a finished steering wheel.

[0003] The existing riveting positioning tooling for the steering wheel frame is not convenient for positioning operation when in use, which wastes a lot of installation time and affects the processing progress.

[0004] For example, a riveting and positioning tool for a steering wheel frame disclosed in Chinese patent CN216881573U includes a base, a support block and a positioning mechanism. The base is provided with a guide rail and a mounting seat, and there are at least four guide rails, which are evenly arranged around the mounting seat in a radial shape, and at least one side of the guide rail is provided with a threaded hole; the support block is slidably mounted on the guide rail, and a protrusion is provided at the bottom of the support block, and a long strip adjustment groove matching the threaded hole is provided on the protrusion; the positioning mechanism is detachably mounted on the mounting seat, including a connecting seat, a positioning shaft, a positioning column and a supporting column, and the positioning shaft, the positioning column and the supporting column are all fixed on the upper side of the connecting seat. By providing a detachable and replaceable positioning mechanism and a movable support block, the riveting and positioning of steering wheel frames of different models and sizes can be adapted, thereby increasing the practical scope of the positioning tool, reducing production costs, and saving workshop space.

[0005] However, the riveting and positioning tooling of the steering wheel skeleton does not have a good enough fixing and positioning effect on the steering wheel skeleton during the riveting operation on the steering wheel skeleton, and it is not convenient to remove the steering wheel skeleton after the riveting operation is completed.

[0006] Therefore, we proposed a riveting positioning tool for steering wheel frame processing to solve the above problems. Utility Model Content

[0007] The utility model aims to provide a riveting positioning tool for processing a steering wheel frame, so as to solve the problems raised in the above-mentioned background technology.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a riveting and positioning tool for processing a steering wheel skeleton, comprising an operating table and a fixing table, wherein the fixing table is fixedly mounted on the upper surface of the operating table, a circular placement seat is fixedly mounted on the upper surface of the fixing table, a mounting groove is opened on the upper surface of the circular placement seat, a through hole is penetrated through the inner bottom surface of the mounting groove, and an ejection mechanism is arranged at the bottom of the operating table;

[0009] The ejection mechanism includes a connecting unit and a moving unit, the connecting unit includes a connecting column, a supporting plate and a first cylinder, the connecting column is fixedly installed on the bottom surface of the operating table, the supporting plate is fixedly installed on the bottom surface of the connecting column, and the first cylinder is fixedly installed on the upper surface of the supporting plate.

[0010] Preferably, the movable unit includes a top column, a square plate and a vertical column, the top column is installed on the output end of the first cylinder, the square plate is fixedly installed on the upper surface of the top column, the vertical column is fixedly installed on the upper surface of the square plate, the upper end of the vertical column is located on the inner wall of the through hole, and after the vertical column rises, its upper end extends out of the through hole to facilitate the ejection of the steering wheel frame.

[0011] Preferably, a riveting mechanism is provided on the upper surface of the operating table, and the riveting mechanism includes a positioning unit and a lifting unit. The positioning unit includes a fixed column, a driving motor, a transmission member, a limiting column, a cross plate, an L-shaped positioning column and a shift lever. The fixed column is fixedly installed on the upper surface of the operating table, the driving motor is fixedly installed on the upper part of the side surface of the fixed column, the transmission member is installed on the upper part of the inner side surface of the fixed column, the limiting column is fixedly installed on the side surface of the fixed column, the cross plate is fixedly installed at the connection of the transmission member, the L-shaped positioning column is fixedly installed on the side surface of the cross plate, and the shift lever is fixedly installed on the side surface of one end of the fixed table.

[0012] Preferably, the lifting unit includes a second cylinder, a lifting member and a riveting plate, the second cylinder is fixedly installed at the middle position of the upper surface of the horizontal plate, the lifting member is installed on the bottom surface of the second cylinder, and the riveting plate is fixedly installed on the bottom surface of the lifting member.

[0013] Preferably, a circular hole is penetrated through the outer surface of the circular placement seat, a thread is formed on the inner wall of the circular hole, a threaded rod is meshed with the inner wall of the circular hole, and a connecting rod is fixedly mounted on the outer surface of one end of the threaded rod.

[0014] Preferably, support columns are fixedly installed on the bottom surface of the operating table, and support bases are fixedly installed on the bottom surfaces of the support columns. The support columns are symmetrically distributed at the four corners of the bottom surface of the operating table, and the four support columns provide good and stable support for the entire operating table.

[0015] Preferably, the through holes are arranged in sequence at equal intervals through the bottom surface of the installation groove, the vertical columns are symmetrically distributed at the four corners of the upper surface of the square plate, the outer surface of the upper end of the vertical column contacts the inner wall of the through hole, and the vertical column can slide on the inner wall of the through hole to push out the steering wheel frame, making it easier for the staff to take out the material.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The riveting positioning tooling used for processing the steering wheel frame is provided with an ejection mechanism, which facilitates the steering wheel frame to be ejected from the inside of the installation groove by moving the vertical column upward after the riveting of the steering wheel frame is completed, so that the staff can take out the material conveniently.

[0018] 2. The riveting positioning tooling used for processing the steering wheel frame has two L-shaped positioning columns fixedly installed on the side of one end of the horizontal plate to move with the horizontal plate, and a stopper rod fixedly installed on the side of one end of the fixed platform to complete the positioning and perform riveting operations on the steering wheel frame after the L-shaped positioning column moves and contacts the stopper rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the discharging mechanism of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the riveting mechanism of the utility model;

[0022] Figure 4 for Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] In the figure: 1. operating table; 2. supporting column; 201. supporting base; 3. fixing table; 301. circular placement seat; 302. mounting groove; 303. through hole; 304. connecting column; 305. supporting plate; 306. first cylinder; 307. top column; 308. square plate; 309. vertical column; 310. round hole; 311. threaded rod; 312. connecting rod; 4. fixing column; 401. driving motor; 402. transmission part; 403. limiting column; 404. horizontal plate; 405. L-shaped positioning column; 406. gear lever; 407. second cylinder; 408. lifting part; 409. riveting plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0026] Embodiment 1: A riveting and positioning tool for processing a steering wheel skeleton, comprising an operating table 1 and a fixed table 3, the fixed table 3 is fixedly mounted on the upper surface of the operating table 1, a circular placement seat 301 is fixedly mounted on the upper surface of the fixed table 3, a mounting groove 302 is opened on the upper surface of the circular placement seat 301, a through hole 303 is penetrated through the inner bottom surface of the mounting groove 302, a support column 2 is fixedly mounted on the bottom surface of the operating table 1, a support base 201 is fixedly mounted on the bottom surface of the support column 2, the support columns 2 are symmetrically distributed at the four corners of the bottom surface of the operating table 1, and an ejection mechanism is arranged at the bottom of the operating table 1;

[0027] The ejection mechanism includes a connecting unit and a moving unit. The connecting unit includes a connecting column 304, a support plate 305 and a first cylinder 306. The connecting column 304 is fixedly installed on the bottom surface of the operating table 1, the support plate 305 is fixedly installed on the bottom surface of the connecting column 304, and the first cylinder 306 is fixedly installed on the upper surface of the support plate 305.

[0028] The mobile unit includes a top column 307, a square plate 308 and a vertical column 309. The top column 307 is installed at the output end of the first cylinder 306, the square plate 308 is fixedly installed on the upper surface of the top column 307, the vertical column 309 is fixedly installed on the upper surface of the square plate 308, and the through holes 303 are evenly spaced and sequentially penetrate the inner bottom surface of the mounting groove 302. The vertical columns 309 are symmetrically distributed at the four corners of the upper surface of the square plate 308. The outer surface of the upper end of the vertical column 309 contacts the inner wall of the through hole 303. By setting up an ejection mechanism, it is convenient to eject the steering wheel frame from the inside of the mounting groove 302 by moving the vertical column 309 upward after the steering wheel frame is riveted, so that the staff can take out the material conveniently.

[0029] The operating table 1 is supported by four support columns 2 symmetrically distributed on its bottom surface. After the steering wheel skeleton completes the riveting operation, the first cylinder 306 pushes the top column 307 to drive the square plate 308 to move upward, so that the upper end of the vertical column 309 rises on the inner wall of the through hole 303 to push the steering wheel skeleton out of the installation groove 302 for the convenience of staff to take it out and complete the discharge.

[0030] Embodiment 2: Based on embodiment 1, a riveting mechanism is provided on the upper surface of the operating table 1, and the riveting mechanism includes a positioning unit and a lifting unit. The positioning unit includes a fixed column 4, a drive motor 401, a transmission member 402, a limit column 403, a cross plate 404, an L-shaped positioning column 405 and a gear lever 406. The fixed column 4 is fixedly installed on the upper surface of the operating table 1, the drive motor 401 is fixedly installed on the upper side of the fixed column 4, the transmission member 402 is installed on the upper inner side of the fixed column 4, and the limit column 403 is fixedly installed on the upper inner side of the fixed column 4. On the side of the fixed column 4, the cross plate 404 is fixedly installed at the connection of the transmission member 402, the L-shaped positioning column 405 is fixedly installed on the side of the cross plate 404, and the gear rod 406 is fixedly installed on the side of one end of the fixed platform 3. By fixing two L-shaped positioning columns 405 on the side of one end of the cross plate 404 to move with the cross plate 404, and at the same time fixing the gear rod 406 on the side of one end of the fixed platform 3, the steering wheel frame can be positioned and riveted after the L-shaped positioning column 405 moves to contact the gear rod 406.

[0031] The lifting unit includes a second cylinder 407, a lifting member 408 and a rivet plate 409. The second cylinder 407 is fixedly installed in the middle position of the upper surface of the horizontal plate 404, the lifting member 408 is installed on the bottom surface of the second cylinder 407, and the rivet plate 409 is fixedly installed on the bottom surface of the lifting member 408. A circular hole 310 passes through the outer surface of the circular placement seat 301, and the inner wall of the circular hole 310 is provided with a thread. A threaded rod 311 is meshed with the inner wall of the circular hole 310, and a connecting rod 312 is fixedly installed on the outer surface of one end of the threaded rod 311.

[0032] After placing the steering wheel frame inside the mounting groove 302, the connecting rod 312 is rotated to drive the threaded rod 311 to rotate and move on the inner wall of the circular hole 310 to clamp and fix the steering wheel frame. The driving motor 401 drives the threaded column in the transmission part 402 to rotate. Through the threaded engagement, the moving block drives the cross plate 404 to move on the outer surface of the threaded column. At the same time, the moving block installed on the outer surface of the limiting column 403 follows the movement to keep the moving path from being offset. When moving, the lower end of the L-shaped positioning column 405 contacts the gear lever 406 to complete the positioning. The second cylinder 407 pushes the lifting part 408 to drive the rivet plate 409 to descend to perform rivet operations on the steering wheel frame.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A riveting and positioning tool for processing a steering wheel frame, comprising an operating table (1) and a fixing table (3), wherein the fixing table (3) is fixedly mounted on the upper surface of the operating table (1), a circular placement seat (301) is fixedly mounted on the upper surface of the fixing table (3), a mounting groove (302) is formed on the upper surface of the circular placement seat (301), and a through hole (303) is penetrated through the inner bottom surface of the mounting groove (302), characterized in that: The bottom of the operating table (1) is provided with an ejection mechanism; The ejection mechanism comprises a connecting unit and a moving unit, wherein the connecting unit comprises a connecting column (304), a supporting plate (305) and a first cylinder (306), wherein the connecting column (304) is fixedly mounted on the bottom surface of the operating table (1), the supporting plate (305) is fixedly mounted on the bottom surface of the connecting column (304), and the first cylinder (306) is fixedly mounted on the upper surface of the supporting plate (305).

2. The riveting and positioning tool for steering wheel frame processing according to claim 1, characterized in that: The mobile unit comprises a top column (307), a square plate (308) and a vertical column (309); the top column (307) is installed at the output end of the first cylinder (306); the square plate (308) is fixedly installed on the upper surface of the top column (307); and the vertical column (309) is fixedly installed on the upper surface of the square plate (308).

3. The riveting and positioning tool for steering wheel frame processing according to claim 1, characterized in that: The upper surface of the operating table (1) is provided with a riveting mechanism, the riveting mechanism comprising a positioning unit and a lifting unit, the positioning unit comprising a fixed column (4), a driving motor (401), a transmission member (402), a limiting column (403), a transverse plate (404), an L-shaped positioning column (405) and a shifting rod (406), the fixed column (4) being fixedly mounted on the upper surface of the operating table (1), the driving motor (401) being fixedly mounted on the upper side of the fixed column (4), the transmission member (402) being mounted on the upper inner side of the fixed column (4), the limiting column (403) being fixedly mounted on the side of the fixed column (4), the transverse plate (404) being fixedly mounted at the connection of the transmission member (402), the L-shaped positioning column (405) being fixedly mounted on the side of the transverse plate (404), and the shifting rod (406) being fixedly mounted on the side of one end of the fixed table (3).

4. The riveting and positioning tool for steering wheel frame processing according to claim 3 is characterized in that: The lifting unit comprises a second cylinder (407), a lifting member (408) and a riveting plate (409); the second cylinder (407) is fixedly mounted at a middle position on the upper surface of the horizontal plate (404); the lifting member (408) is mounted on the bottom surface of the second cylinder (407); and the riveting plate (409) is fixedly mounted on the bottom surface of the lifting member (408).

5. The riveting and positioning tool for steering wheel frame processing according to claim 1, characterized in that: A circular hole (310) is penetrated through the outer surface of the circular placement seat (301), a thread is formed on the inner wall of the circular hole (310), a threaded rod (311) is meshed with the inner wall of the circular hole (310), and a connecting rod (312) is fixedly mounted on the outer surface of one end of the threaded rod (311).

6. The riveting and positioning tool for steering wheel frame processing according to claim 1, characterized in that: A support column (2) is fixedly mounted on the bottom surface of the operating table (1), a support base (201) is fixedly mounted on the bottom surface of the support column (2), and the support columns (2) are symmetrically distributed at the four corners of the bottom surface of the operating table (1).

7. The riveting and positioning tool for steering wheel frame processing according to claim 2, characterized in that: The through holes (303) are arranged in a sequence with equal spacings and penetrate the inner bottom surface of the installation groove (302); the vertical columns (309) are symmetrically distributed at the four corners of the upper surface of the square plate (308); and the upper outer surfaces of the vertical columns (309) are in contact with the inner walls of the through holes (303).

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