Pneumatic limiting hot riveting mechanism

By designing the aerodynamic limit thermal riveting mechanism, the problem of riveting work intensity and poor effects in the existing technologies has been solved, and automated riveting is achieved, which improves the efficiency and quality stability of the lamp production.

CN222407219UActive Publication Date: 2025-01-28GUANGZHOU LIANXU AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202420337521.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-23
Publication Date
2025-01-28
Estimated Expiration
2034-02-23

AI Technical Summary

Technical Problem

In the prior art, the riveting work of the automobile headlight shell welding fixture mainly relies on manual operations, resulting in high working strength, poor consistency of riveting effect, and difficult to control quality.

Method used

Design a kind of pneumatic limit thermal riveting mechanism, including fixed base, support seat, telescopic guidance column, riveting working board, connecting column, fixed top board, positioning fixed board, positioning cylinder, riveting positioning seat and riveting ting. Through pneumatic and limited structures, automated riveting operations are achieved.

Benefits of technology

Effectively reduce the intensity of work, improve the consistency of riveting, facilitate the control of riveting quality, and greatly improve the detection efficiency and quality stability of the lamp production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a pneumatic limiting hot riveting mechanism, which relates to the technical field of hot riveting tools and comprises a positioning fixing plate, a positioning cylinder is fixedly mounted at the top end of the positioning fixing plate, a driving seat is fixedly mounted at one end of the positioning cylinder, a positioning supporting block is fixedly mounted at one end of the driving seat, and a positioning pin is fixedly mounted at the other end of the positioning supporting block. A riveting positioning seat fixedly installed on the supporting seat is arranged on one side of the positioning supporting block, and a plurality of riveting heads fixedly installed on the riveting working plate are arranged above the riveting positioning seat. The riveting device has the advantages that the riveting heads of various specifications are arranged at the top end of the clamping structure to meet various different riveting requirements, riveting of excessive riveting points, automatic matching of the number, the height and the temperature of the riveting points and riveting result detection are supported, the working intensity can be effectively reduced, the riveting consistency is improved, the riveting quality can be conveniently controlled, and the production efficiency is improved. And the production detection efficiency and the quality stability of the vehicle lamp are greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot riveting tooling, in particular to a pneumatic limited hot riveting mechanism. Background Art

[0002] At present, the technology of automobile manufacturing industry is becoming more and more mature, and has been widely used in many domestic and foreign brands of automobile manufacturing industries. The market demand for automobile lamps is increasing. The lamp shell welding fixture is designed for the manufacturing, testing and management of automobile lamp shells.

[0003] Riveting work is often done manually, but manual operation has problems such as high workload due to too many riveting points, poor consistency of riveting results, and uncontrollable quality. Utility Model Content

[0004] Therefore, the purpose of the utility model is to provide a pneumatic limited hot riveting mechanism to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0005] In order to achieve the above-mentioned objectives, an embodiment of one aspect of the utility model provides a pneumatic limited hot riveting mechanism, including a fixed base, a support base is fixedly installed on the top of the fixed base, telescopic guide columns are fixedly installed on the four corners of the top of the support base, a riveting work plate is fixedly installed on the top of the telescopic guide column, a connecting column is fixedly installed on the top of the riveting work plate, a fixed top plate is fixedly installed on the top of the connecting column, a positioning fixing plate is fixedly installed on the top of the support base, a positioning cylinder is fixedly installed on the top of the positioning fixing plate, a driving base is fixedly installed on one end of the positioning cylinder, a positioning support block is fixedly installed on one end of the driving base, a riveting positioning base fixedly installed with the support base is provided on one side of the positioning support block, and a plurality of rivet heads fixedly installed with the riveting work plate are provided above the riveting positioning base.

[0006] Preferably, any of the above schemes has a length and width of the fixed base greater than that of the support base, one end of the fixed base and the fixed top plate are fixedly mounted with connecting bolts, and both ends of the support base are fixedly mounted with handles.

[0007] By adopting the above technical solution, a force can be applied to the clamping mechanism through the handle to facilitate the movement of the clamping mechanism, and the upper and lower ends of the clamping mechanism can be fixed by connecting bolts to facilitate the position of the clamping structure.

[0008] Preferably, any of the above schemes is that the telescopic guide column is located on both sides of the positioning support block and the riveting positioning seat, a fixing groove adapted to the riveting head is provided inside the riveting working plate, and the size of the riveting working plate is smaller than that of the fixed top plate.

[0009] The above technical solution is adopted: during the operation of the clamping mechanism, the riveting working plate is driven to drive the riveting head to move up and down, and during the up and down movement, the telescopic guide column is driven to extend and retract, thereby ensuring the stability of the riveting work.

[0010] Preferably, any of the above schemes is that the positioning and fixing plate is located on one side of the riveted positioning seat, and the positioning and fixing plate is fixedly installed by bolts and a support seat.

[0011] By adopting the above technical solution, the driving cylinder is supported and fixed by the positioning fixing plate, and the driving cylinder can be fixed to the top end of the supporting seat.

[0012] Preferably, any of the above schemes is that the drive seat is configured as an L-shaped structure, the drive seat is fixedly mounted on the output end of the positioning cylinder, and the positioning support block is fixedly mounted on one end of the top of the drive seat.

[0013] By adopting the above technical solution: controlling the extension and retraction of the driving cylinder to drive the driving seat to move, and the driving seat to drive the positioning support block to move, the workpiece can be clamped and positioned according to the shape and size of the riveted workpiece.

[0014] Preferably, any of the above schemes comprises a riveted positioning seat and a support frame, wherein the support frame is fixedly mounted on the top of the support seat, the top of the support frame is fixedly mounted with a riveted seat, and the tops of the riveted seat and the positioning support block are both provided with positioning grooves.

[0015] The above technical solution is adopted: the riveting seat is fixed to the top of the support seat by the support frame, so that the riveting seat and the positioning support block cooperate with each other to position the riveted workpiece.

[0016] Preferably, any of the above schemes has a connection block fixedly mounted on the top of a plurality of the rivet heads, and the connection block is fixedly mounted on the bottom of the riveting work plate.

[0017] The above technical solution is adopted: the rivet head includes two models, B9-FENDER-L-CP-000 hot rivet head model and B9-TRUNK-L-CP-000 hot rivet head model. The rivet head is fixed and installed by the connecting block to ensure the stability of the rivet head.

[0018] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0019] 1. Various specifications of rivet heads are set at the top of the clamping structure to meet various riveting requirements. It supports riveting of a large number of rivet points, automatic matching of the number, height and temperature of rivet points, and detection of riveting results. It can effectively reduce the work intensity, improve the consistency of riveting, and facilitate the control of riveting quality, which greatly improves the production inspection efficiency and quality stability of headlights.

[0020] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0022] Figure 1 It is a structural schematic diagram according to the first embodiment of the utility model;

[0023] Figure 2 It is a front view structural schematic diagram according to the first embodiment of the utility model;

[0024] Figure 3 It is a partial structural schematic diagram according to the first embodiment of the utility model;

[0025] Figure 4 It is a structural schematic diagram according to the second embodiment of the utility model;

[0026] Among them: 1-fixed base, 2-support seat, 3-telescopic guide column, 4-riveted working plate, 5-connecting column, 6-fixed top plate, 7-positioning fixing plate, 8-positioning cylinder, 9-riveted positioning seat, 91-riveted seat, 92-support frame, 10-riveted head, 11-driving seat, 12-handle, 14-connecting block, 15-positioning support block. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0028] Embodiment 1, as Figure 1-3 As shown, a pneumatic limited hot riveting mechanism of an embodiment of the utility model includes a fixed base 1, a support base 2 is fixedly installed on the top of the fixed base 1, telescopic guide columns 3 are fixedly installed at the four corners of the top of the support base 2, a riveting work plate 4 is fixedly installed on the top of the telescopic guide column 3, a connecting column 5 is fixedly installed on the top of the riveting work plate 4, a fixed top plate 6 is fixedly installed on the top of the connecting column 5, a positioning fixing plate 7 is fixedly installed on the top of the support base 2, a positioning cylinder 8 is fixedly installed on the top of the positioning fixing plate 7, a driving base 11 is fixedly installed on one end of the positioning cylinder 8, a positioning support block 15 is fixedly installed on one end of the driving base 11, a riveting positioning base 9 fixedly installed with the support base 2 is provided on one side of the positioning support block 15, and a plurality of rivet heads 10 fixedly installed with the riveting work plate 4 are provided above the riveting positioning base 9.

[0029] Preferably, any of the above schemes has a length and width of the fixed base 1 greater than that of the support base 2 , one end of the fixed base 1 and the fixed top plate 6 are fixedly mounted with connecting bolts, and both ends of the support base 2 are fixedly mounted with handles 12 .

[0030] By adopting the above technical solution, it is convenient to apply force to the clamping mechanism through the handle 12, so as to facilitate moving the clamping mechanism, and to fix the upper and lower ends of the clamping mechanism through connecting bolts, so as to facilitate fixing the position of the clamping structure.

[0031] Preferably, any of the above schemes is that the telescopic guide column 3 is located on both sides of the positioning support block 15 and the riveting positioning seat 9, a fixing groove compatible with the riveting head 10 is opened inside the riveting work plate 4, and the size of the riveting work plate 4 is smaller than the size of the fixed top plate 6.

[0032] The above technical solution is adopted: during the operation of the clamping mechanism, the riveting working plate 4 is driven to drive the riveting head 10 to move up and down, and during the up and down movement, the telescopic guide column 3 is driven to extend and retract, thereby ensuring the stability of the riveting work.

[0033] Preferably, any of the above solutions is that the positioning and fixing plate 7 is located on one side of the riveted positioning seat 9 , and the positioning and fixing plate 7 is fixedly installed by bolts and the support seat 2 .

[0034] By adopting the above technical solution, the driving cylinder 8 is supported and fixed by the positioning fixing plate 7 , and the driving cylinder 8 can be fixed to the top end of the supporting seat 2 .

[0035] Preferably, any of the above schemes is that the drive seat 11 is configured as an L-shaped structure, the drive seat 11 is fixedly mounted on the output end of the positioning cylinder 8 , and the positioning support block 15 is fixedly mounted on one end of the top of the drive seat 11 .

[0036] By adopting the above technical solution: controlling the extension and retraction of the driving cylinder 8 to drive the driving seat 11 to move, and the driving seat 11 to drive the positioning support block 15 to move, the workpiece can be clamped and positioned according to the shape and size of the riveted workpiece.

[0037] Preferably, any of the above schemes comprises a riveted positioning seat 9 including a riveted seat 91 and a support frame 92, the support frame 92 is fixedly mounted on the top of the support seat 2, the top of the support frame 92 is fixedly mounted with the riveted seat 91, and the tops of the riveted seat 91 and the positioning support block 15 are both provided with positioning grooves.

[0038] The above technical solution is adopted: the riveting seat 91 is fixed to the top of the support seat 2 through the support frame 92, so that the riveting seat 91 and the positioning support block 15 cooperate with each other to position the riveted workpiece.

[0039] Preferably, any of the above schemes has a connection block 14 fixedly mounted on the top of a plurality of riveting heads 10 , and the connection block 14 is fixedly mounted on the bottom of the riveting work plate 4 .

[0040] The above technical solution is adopted: the rivet head 10 includes two models, namely, the B9-FENDER-L-CP-000 hot rivet head model and the B9-TRUNK-L-CP-000 hot rivet head model. The rivet head 10 is fixedly installed by the connecting block 14 to ensure the stability of the rivet head 10.

[0041] Embodiment 2, as Figure 4 As shown, a pneumatic limited hot riveting mechanism of an embodiment of the utility model comprises a fixed base 1, a support base 2 is fixedly installed on the top of the fixed base 1, telescopic guide columns 3 are fixedly installed on the four corners of the top of the support base 2, a riveting working plate 4 is fixedly installed on the top of the telescopic guide column 3, a connecting column 5 is fixedly installed on the top of the riveting working plate 4, a fixed top plate 6 is fixedly installed on the top of the connecting column 5, a positioning fixing plate 7 is fixedly installed on the top of the support base 2, a positioning cylinder 8 is fixedly installed on the top of the positioning fixing plate 7, a driving base 11 is fixedly installed on one end of the positioning cylinder 8, a positioning support block 15 is fixedly installed on one end of the driving base 11, a riveting positioning base 9 fixedly installed on the support base 2 is provided on one side of the positioning support block 15, a plurality of rivet joints 10 fixedly installed on the riveting working plate 4 are provided above the riveting positioning base 9, and external support tables for supporting the riveted workpiece are fixedly installed on both ends of the support base 2. The riveted workpiece is supported by the external support table, so that a workpiece with a longer length can be supported and riveted.

[0042] The utility model is a pneumatic limit hot riveting mechanism, the working principle is as follows:

[0043] After the workpiece to be riveted is positioned by the positioning structure, the pulse current heats the riveting head 10, and the riveting head 10 presses down the shaping rivet column to shape it into an arc structure to tighten the riveted workpiece. After the riveting head 10 is cooled by compressed air, the cooled riveting head is lifted and the riveted workpiece can be removed.

[0044] Compared with the prior art, the present invention has the following beneficial effects:

[0045] 1. Various specifications of rivet heads are set at the top of the clamping structure to meet various riveting requirements. It supports riveting of a large number of rivet points, automatic matching of the number, height and temperature of rivet points, and detection of riveting results. It can effectively reduce the work intensity, improve the consistency of riveting, and facilitate the control of riveting quality, which greatly improves the production inspection efficiency and quality stability of headlights.

Claims

1. A pneumatic limited hot riveting mechanism, characterized in that: The invention comprises a fixed base (1), a support base (2) is fixedly mounted on the top of the fixed base (1), telescopic guide columns (3) are fixedly mounted at the four corners of the top of the support base (2), a riveting work plate (4) is fixedly mounted on the top of the telescopic guide column (3), a connecting column (5) is fixedly mounted on the top of the riveting work plate (4), a fixed top plate (6) is fixedly mounted on the top of the connecting column (5), a positioning fixing plate (7) is fixedly mounted on the top of the support base (2), a positioning cylinder (8) is fixedly mounted on the top of the positioning fixing plate (7), a driving base (11) is fixedly mounted on one end of the positioning cylinder (8), a positioning support block (15) is fixedly mounted on one end of the driving base (11), a riveting positioning base (9) fixedly mounted on the support base (2) is arranged on one side of the positioning support block (15), and a plurality of riveting heads (10) fixedly mounted on the riveting work plate (4) are arranged above the riveting positioning base (9).

2. A pneumatic limited hot riveting mechanism according to claim 1, characterized in that: The length and width of the fixed base (1) are greater than the length and width of the support base (2); one end of the fixed base (1) and the fixed top plate (6) are fixedly mounted with connecting bolts; and both ends of the support base (2) are fixedly mounted with handles (12).

3. A pneumatic position-limiting hot riveting mechanism as claimed in claim 2, characterized in that: The telescopic guide column (3) is located on both sides of the positioning support block (15) and the riveting positioning seat (9), and a fixing groove matched with the riveting head (10) is opened inside the riveting working plate (4), and the size of the riveting working plate (4) is smaller than the size of the fixed top plate (6).

4. A pneumatic limited hot riveting mechanism as claimed in claim 3, characterized in that: The positioning fixing plate (7) is located on one side of the riveted positioning seat (9), and the positioning fixing plate (7) is fixedly installed via bolts and a support seat (2).

5. A pneumatic position-limiting hot riveting mechanism as claimed in claim 4, characterized in that: The driving seat (11) is configured as an L-shaped structure, the driving seat (11) is fixedly mounted on the output end of the positioning cylinder (8), and the positioning support block (15) is fixedly mounted on one end of the top of the driving seat (11).

6. A pneumatic limited hot riveting mechanism as claimed in claim 5, characterized in that: The riveted positioning seat (9) comprises a riveted seat (91) and a support frame (92), wherein the support frame (92) is fixedly mounted on the top end of the support seat (2), the riveted seat (91) is fixedly mounted on the top end of the support frame (92), and the top ends of the riveted seat (91) and the positioning support block (15) are both provided with positioning grooves.

7. A pneumatic limited hot riveting mechanism as claimed in claim 6, characterized in that: A connection block (14) is fixedly mounted on the top of a plurality of the riveting heads (10), and the connection block (14) is fixedly mounted on the bottom of the riveting working plate (4).