Double-sided welding spot tool for automobile parts

By designing a double-sided welding fixture for automotive parts, a motor-driven shaft and sprocket chain system are used to support the back of the component plate. Combined with a guide frame and a flow hopper to collect welding slag, the problems of welding deformation and welding slag accumulation are solved, achieving efficient welding and equipment maintenance.

CN223718708UActive Publication Date: 2025-12-26重庆衍数自动化设备有限公司
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Patent Information

Application Number
CN202423081237.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-26
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

During the welding of automotive parts studs, the welding area of ​​the component plate is prone to deformation due to thermal expansion, which affects the welding quality, and the accumulation of welding slag affects the operation of the equipment.

Method used

A double-sided welding fixture for automotive parts was designed. It uses a motor-driven shaft and a sprocket and chain system to support the back of the part plate. It combines a guide frame and a flow hopper to collect welding slag and prevent deformation and accumulation.

Benefits of technology

It effectively prevents weld joint expansion and deformation, ensuring welding quality, and automatically cleans weld slag to prevent equipment wear and improve production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile part stud welding, and discloses an automobile part double-face welding spot tool which comprises a guide rail seat, a motor is fixedly installed on the outer surface of the front side of the guide rail seat, and two chain wheels are fixedly arranged on the outer surfaces of two rotating shafts in a sleeved mode. Chains are movably engaged between the two chain wheels on the left side and between the two chain wheels on the right side, a moving plate is fixedly connected to the outer surface of the top of the upper end of each chain, two second stand columns are fixedly connected to the outer surface of the top of each moving plate, and fixing cylinders fixedly penetrate through the outer surfaces of the supporting plates; and a supporting cylinder is movably connected to the interior of the fixed cylinder. The motor drives the rotating shaft to rotate, the chain wheel and the chain are matched, so that the chain moves, the chain drives the movable plate to move, one end of the supporting cylinder abuts against and supports the back of a stud welding spot of the automobile part plate, and therefore the back of the welding spot of the automobile part plate can be supported, and expansion deformation at the welding spot is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile accessory stud welding, in particular to a double-sided welding spot tool for automobile parts. BACKGROUND

[0002] At present, robot automation technology has been widely used in the production of automobile parts, and the use of robots can reduce the labor intensity of operators, improve the automation level of production equipment, and improve the product quality and overall competitiveness of enterprises. Stud welding is a method of contacting one end of a stud with the surface of a plate, applying an arc, and applying pressure to the stud after the contact surface is melted. In the automobile production process, studs need to be welded on the surface of the accessory to facilitate the fixation and positioning of the accessory.

[0003] In the prior art, when stud welding is performed on the automobile accessory plate, the automobile accessory plate is clamped and fixed, and then the automobile accessory plate is moved to the welding station by a mechanical arm for welding. However, during welding, the side opposite to the welding gun of the automobile accessory plate is hollow and lacks proper support, and the welding site may be deformed due to thermal expansion, which affects the welding quality. Therefore, a double-sided welding spot tool for automobile parts is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a double-sided welding spot tool for automobile parts to solve the problems mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double-sided welding spot tool for automobile parts, comprising a guide rail seat, two rotating shafts are rotatably connected inside the guide rail seat, a motor is fixedly installed on the front outer surface of the guide rail seat, the output end of the motor is fixedly connected with the left rotating shaft, two chain wheels are fixedly sleeved on the outer surfaces of the two rotating shafts, a chain is movably engaged between the left two chain wheels and the right two chain wheels, a moving plate is fixedly connected to the upper end top outer surface of the chain, two second stand columns are fixedly connected to the top outer surface of the moving plate, a support plate is fixedly connected to the top outer surface of each of the two second stand columns, a fixing cylinder is fixedly penetrated through the outer surface of the support plate, and a support cylinder is movably connected inside the fixing cylinder.

[0006] Further, a horizontal plate is fixedly connected to the top left and right ends of the guide rail seat, a first stand column is fixedly connected to the top outer surface of each of the two horizontal plates, a welding gun is fixedly installed on the top outer surface of each of the first stand columns, and the ends of the two support cylinders away from the fixing cylinder are respectively directed towards the two welding guns.

[0007] Furthermore, a guide frame is fixedly connected to the inner bottom surface of the guide rail base, the outer bottom surface of the guide rail base is hollow, a flow guide hopper is fixedly connected to the outer bottom surface of the guide rail base, a material receiving hopper is fixedly connected to the outer bottom surface of the flow guide hopper, and a material receiving drawer is movably inserted inside the material receiving hopper.

[0008] Furthermore, a spring is fixedly connected inside the fixed cylinder, and the other end of the spring is fixedly connected to the support cylinder.

[0009] Furthermore, guide plates are fixedly connected to the inner walls of both the front and rear sides of the guide rail base, and the movable plate is located below the guide plates.

[0010] Furthermore, the guide plate is inclined, and one side of the guide plate extends above the guide frame.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This double-sided welding fixture for automotive parts uses a motor to drive a rotating shaft, which, in conjunction with a sprocket and chain, causes the chain to move. The chain then moves a moving plate, allowing one end of the support cylinder to abut against the back of the stud welding point on the automotive parts plate. This supports the back of the welding point on the automotive parts plate, preventing expansion and deformation at the welding point.

[0013] 2. This double-sided welding fixture for automotive parts allows welding slag to enter the guide hopper through the guide frame and be collected by the receiving drawer. By pulling out the receiving drawer, the welding slag inside can be cleaned to prevent it from entering the meshing area of ​​the sprocket and chain, thus preventing long-term accumulation of welding slag from affecting the meshing of the sprocket and chain. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the guide rail base and its related structures of this utility model;

[0016] Figure 3 This is a cross-sectional schematic diagram of the guide rail base and its related structures of this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the support cylinder and the fixing cylinder of this utility model.

[0018] In the diagram: 1. Guide rail seat; 2. Rotating shaft; 3. Sprocket; 4. Chain; 5. Moving plate; 6. First column; 7. Welding torch; 8. Second column; 9. Support plate; 10. Guide frame; 11. Flow guide hopper; 12. Receiving hopper; 13. Receiving drawer; 14. Flow guide plate; 15. Motor; 16. Fixed cylinder; 17. Support cylinder; 18. Spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment 1:

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a kind of automobile parts double-sided welding spot tool, including guide rail seat 1, the inside rotation of guide rail seat 1 is connected with two shafts 2, the front side outer surface of guide rail seat 1 is fixedly installed with motor 15, the output end of motor 15 is fixedly connected with left shaft 2, the outer surface of two shafts 2 is fixedly covered with two sprocket wheels 3, left two sprocket wheels 3 and right two sprocket wheels 3 are movably engaged with chain 4, the upper end top outer surface of chain 4 is fixedly connected with moving plate 5, the top outer surface of moving plate 5 is fixedly connected with two second uprights 8, the top outer surface of two second uprights 8 is fixedly connected with support plate 9, the outer surface of support plate 9 is fixedly penetrated with fixed cylinder 16, support cylinder 17 is movably connected in the inside of fixed cylinder 16, specifically, motor 15 works, motor 15 drives shaft 2 to rotate and drives the rotation of sprocket wheel 3 on it, sprocket wheel 3 drives chain 4, so that another shaft 2 rotates simultaneously, and then chain 4 moves and drives moving plate 5 on it to move, so that moving plate 5 drives the second upright 8 of one side to make support cylinder 17 support the back of automobile accessory plate weld point, to prevent the expansion deformation at weld point.

[0022] In the embodiment, the top left and right ends of guide rail seat 1 are fixedly connected with horizontal plate, the top outer surface of two horizontal plates is fixedly connected with first upright 6, the top outer surface of first upright 6 is fixedly installed with welding torch 7, the end of two support cylinders 17 away from fixed cylinder 16 is respectively towards two welding torches 7, specifically, automobile accessory plate is clamped by mechanical arm and is conveyed to welding torch 7, and stud welding work is carried out on automobile accessory plate by welding torch 7.

[0023] In the embodiment, the guide frame 10 is fixedly connected to the inner surface of the bottom of the guide rail seat 1, the bottom outer surface of the guide rail seat 1 is hollow, the guide flow hopper 11 is fixedly communicated with the bottom outer surface of the guide rail seat 1, the bottom outer surface of the guide flow hopper 11 is fixedly communicated with the receiving hopper 12, the receiving drawer 13 is movably inserted into the receiving hopper 12, specifically, the generated welding slag falls into the guide frame 10 of the guide rail seat 1, and then enters the receiving drawer 13 in the receiving hopper 12 through the guide flow hopper 11, so that the welding slag is prevented from entering the meshing position of the chain wheel 3 and the chain 4, thereby preventing the welding slag from being accumulated for a long time to affect the meshing of the chain wheel 3 and the chain 4, and when the welding slag is collected to a certain amount, the receiving drawer 13 is pulled out to clean the welding slag.

[0024] In the embodiment, the spring 18 is fixedly connected to the inside of the fixed cylinder 16, and the other end of the spring 18 is fixedly connected with the supporting cylinder 17, specifically, under the elastic force of the spring 18, the force of the supporting cylinder 17 contacting the accessory plate for an instant can be buffered to a certain extent, so as to avoid damaging the accessory plate.

[0025] In the embodiment, the guide flow plates 14 are fixedly connected to the inner walls of the front and rear sides of the guide rail seat 1, and the moving plate 5 is located below the guide flow plates 14, specifically, the welding slag falling on the guide flow plates 14 is guided through the guide flow plates 14, and the moving plate 5 is arranged below the guide flow plates 14, so that the arrangement of the guide flow plates 14 does not affect the movement of the moving plate 5.

[0026] In the embodiment, the guide flow plates 14 are arranged in an inclined manner, and one side of the guide flow plates 14 extends above the guide frame 10, specifically, the welding slag is guided into the inside of the guide frame 10 through the guide flow plates 14.

[0027] Working principle: in use, the utility model clamps the automobile accessory plate through the mechanical arm and conveys to the welding gun 7, the motor 15 works before welding through the welding gun 7, the motor 15 drives the rotation of the shaft 2 and drives the rotation of the chain wheel 3 on it, the chain wheel 3 drives the chain 4, so that the other shaft 2 rotates simultaneously, and then the chain 4 moves and drives the moving plate 5 on it to move, so that the moving plate 5 drives the second stand 8 on one side to make the supporting cylinder 17 support the back of the welding spot of the automobile accessory plate, to prevent the expansion deformation of the welding spot, then the welding gun 7 is used to spot weld the specified position of the automobile accessory plate, when the supporting cylinder 17 contacts the accessory plate, under the elastic force of the spring 18, the force of the supporting cylinder 17 contacting the accessory plate for an instant can be buffered to a certain extent, so as to avoid damaging the accessory plate, when the other side of the accessory plate needs to be welded, the mechanical arm moves the accessory plate to the other welding gun 7, at this time the motor 15 reverses rotation and drives the other supporting cylinder 17 to support the back of the welding spot of the accessory plate.

[0028] When welding, the generated welding slag falls into the guide frame 10 of the guide rail base 1, and enters the receiving drawer 13 in the receiving hopper 12 through the flow guide hopper 11, so that the welding slag is prevented from entering the meshing part of the chain wheel 3 and the chain 4, thereby preventing the long-time welding slag accumulation from affecting the meshing of the chain wheel 3 and the chain 4, and when the welding slag is collected to a certain amount, the receiving drawer 13 is drawn out to clean the welding slag.

[0029] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A double-sided welding jig for automobile parts, comprising a guide rail base (1), characterized in that: The inside rotation of the guide rail seat (1) is connected with two rotating shafts (2), the front outer surface of the guide rail seat (1) is fixedly installed with a motor (15), the output end of the motor (15) is fixedly connected with the left rotating shaft (2), the outer surfaces of the two rotating shafts (2) are fixedly sleeved with two chain wheels (3), the left two chain wheels (3) and the right two chain wheels (3) are movably engaged with a chain (4), the upper end top outer surface of the chain (4) is fixedly connected with a moving plate (5), the top outer surface of the moving plate (5) is fixedly connected with two second stand columns (8), the top outer surfaces of the two second stand columns (8) are fixedly connected with support plates (9), the outer surfaces of the support plates (9) are fixedly penetrated with fixed cylinders (16), the inside of the fixed cylinder (16) is movably connected with a support cylinder (17).

2. The double-sided weld joint tool for automotive parts according to claim 1, characterized in that: The top left and right ends of the guide rail seat (1) are fixedly connected with horizontal plates, the top outer surfaces of the two horizontal plates are fixedly connected with first stand columns (6), the top outer surfaces of the first stand columns (6) are fixedly installed with welding guns (7), the ends of the two support cylinders (17) away from the fixed cylinders (16) are respectively towards the two welding guns (7).

3. The double-sided weld joint tool for automotive parts according to claim 1, characterized in that: The bottom inner surface of the guide rail seat (1) is fixedly connected with a guide frame (10), the bottom outer surface of the guide rail seat (1) is hollow, the bottom outer surface of the guide rail seat (1) is fixedly communicated with a flow guide hopper (11), the bottom outer surface of the flow guide hopper (11) is fixedly communicated with a receiving hopper (12), the inside of the receiving hopper (12) is movably inserted with a receiving drawer (13).

4. The double-sided weld joint tool for automotive parts according to claim 1, characterized in that: The inside of the fixed cylinder (16) is fixedly connected with a spring (18), the other end of the spring (18) is fixedly connected with the support cylinder (17).

5. The double-sided weld joint tool for automotive parts of claim 1, wherein: The inner walls of the front and rear sides of the guide rail seat (1) are fixedly connected with flow guide plates (14), the moving plate (5) is below the flow guide plates (14).

6. The double-sided weld joint tool for automotive parts according to claim 5, characterized in that: The flow guide plates (14) are obliquely arranged, and one side of the flow guide plates (14) extends above the guide frame (10). The flow guide plates (14) are obliquely arranged, and one side of the flow guide plates (14) extends above the guide frame (10).