A welding device for processing an automobile seat framework assembly

By designing the lifting drive component and positioning mechanism, the problem of low positioning efficiency in existing welding devices for processing automotive seat frame assemblies has been solved, achieving efficient automatic positioning and stable clamping of workpieces, and improving processing efficiency.

CN224543560UActive Publication Date: 2026-07-24FUQING XINGGAODA HARDWARE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUQING XINGGAODA HARDWARE CO LTD
Filing Date
2025-06-30
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

The positioning mechanism of the existing welding device for processing automotive seat frame assemblies is relatively simple, resulting in low positioning efficiency and requiring sequential adjustment and control between fixtures.

Method used

By employing a lifting drive assembly and a positioning mechanism, the inclined surfaces of the lifting block and the workpiece positioning block are engaged to achieve automatic clamping and positioning of the workpiece. Combined with a servo motor and slide design, positioning efficiency is improved.

Benefits of technology

It improves the efficiency and accuracy of workpiece positioning, reduces processing time, and enhances the clamping stability and protection of the workpiece.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to automobile seat framework assembly processing equipment, especially a kind of welding device for automobile seat framework assembly processing, it include: rack and respectively set up on the workbench, positioning mechanism and welding mechanism of rack, workbench is equipped with vertical through-hole and two groups above track being set around vertical through-hole, each group track includes two sliding slot of axis being directed to vertical through-hole, positioning mechanism includes lifting drive assembly, lifting block and workpiece positioning block, lifting drive assembly is set on rack, lifting drive assembly drives lifting block and vertically lifts along the axis of vertical through-hole, lifting block is equipped with pressing bevel, workpiece positioning block is slidably arranged in sliding slot, workpiece positioning block is equipped with the support bevel of abutting with pressing bevel;Welding mechanism is located above workbench.The welding device for automobile seat framework assembly processing of the utility model improves workpiece positioning efficiency.
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Description

Technical Field

[0001] This utility model relates to processing equipment for automobile seat frame assemblies, and more particularly to a welding device for processing automobile seat frame assemblies. Background Technology

[0002] With the improvement of people's living standards, people are consuming more and more cars, and the market for auto parts is also growing. Auto seat cushion bracket assemblies are one type of auto part, and most are manufactured through welding. The structure of welding equipment can be referenced in Chinese Utility Model Patent Application No. 202420026475.7, entitled "A Cutting and Positioning Device for Auto Seat Cushion Production." Currently, the positioning mechanism design of welding devices used for processing auto seat frame assemblies is relatively rudimentary. The fixtures are independent of each other, requiring sequential adjustment and control of each fixture, resulting in slow positioning efficiency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a welding device for processing automotive seat frame assemblies to improve workpiece positioning efficiency.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a welding device for processing automobile seat frame assembly, comprising: The frame, and the worktable, positioning mechanism and welding mechanism respectively mounted on the frame; The workbench is provided with a vertical through hole and two or more sets of tracks arranged around the vertical through hole. Each set of tracks includes two grooves pointing to the axis of the vertical through hole. The positioning mechanism includes a lifting drive assembly, a lifting block, and a workpiece positioning block. The lifting drive assembly is mounted on the frame and drives the lifting block to move vertically up and down along the axis of the vertical through hole. The lifting block is provided with a pressing inclined surface. The workpiece positioning block is slidably mounted in the slide groove and is provided with a supporting inclined surface that abuts against the pressing inclined surface. The welding mechanism is located above the workbench.

[0005] Furthermore, the workpiece positioning block is equipped with a detachable workpiece support plate.

[0006] Furthermore, rubber pads are provided on the workpiece support plate.

[0007] Furthermore, the positioning mechanism also includes an elastic connector, which connects two opposing workpiece positioning blocks.

[0008] Furthermore, the pressing slope is a conical surface, and the supporting slope is an arc surface adapted to the conical surface.

[0009] Furthermore, the lifting drive assembly includes a servo motor, a screw, and a lifting frame. The servo motor is mounted on the frame, and the servo motor drives the lifting frame to move vertically up and down along the axis of the vertical through hole via the screw. The lifting block is mounted on the lifting frame.

[0010] Furthermore, the lifting block and the lifting frame are detachably connected.

[0011] Furthermore, the frame is equipped with lifting rails for the lifting frame to slide.

[0012] Furthermore, the welding mechanism includes a first movable frame, the frame is provided with a first guide rail for sliding the first movable frame, the first movable frame is provided with a second guide rail perpendicular to the first guide rail, a slidable second movable frame is provided inside the second guide rail, a third movable frame is provided on the second movable frame, a slidable third movable frame is provided inside the third movable frame, and a laser welding head is provided on the third movable frame.

[0013] Furthermore, a rotating frame is provided on the third moving frame, and the laser welding head is mounted on the rotating frame.

[0014] The beneficial effects of this utility model are as follows: A welding device for processing automotive seat frame assemblies, in use, the workpiece is placed on the worktable or directly on two positioning mechanisms in two oppositely arranged slides according to the workpiece size. The lifting drive component controls the lifting block to rise or fall. When the pressing inclined surface of the lifting block contacts the supporting inclined surface of the workpiece positioning block, it will push the workpiece positioning block to slide in the slide, thereby clamping and positioning the workpiece from the inside, improving the workpiece positioning efficiency. Attached Figure Description

[0015] Figure 1 A schematic diagram of a welding device used for machining automotive seat frame assemblies; Figure 2 Another schematic diagram of a welding device for machining automotive seat frame assemblies; Figure 3 Another schematic diagram of a welding device for machining automotive seat frame assemblies; Figure 4 Front view of the welding device used for machining automotive seat frame assemblies; Figure 5 A cross-sectional view of a welding device used for machining automotive seat frame assemblies; Label Explanation: 1. Frame; 11. Lifting rail; 12. First guide rail; 2. Worktable; 21. Vertical through hole; 22. Rail; 221. Slide groove; 3. Positioning mechanism; 31. Lifting drive assembly; 311. Servo motor; 312. Screw; 313. Lifting frame; 32. Lifting block; 321. Pressing inclined surface; 33. Workpiece positioning block; 331. Supporting inclined surface; 34. Workpiece support plate; 35. Elastic connector; 4. Welding mechanism; 41. Laser welding head. Detailed Implementation

[0016] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0017] Please refer to Figures 1 to 5 As shown, the present invention discloses a welding device for processing an automotive seat frame assembly, comprising: The frame 1 and the worktable 2, positioning mechanism 3 and welding mechanism 4 respectively mounted on the frame 1; The workbench 2 is provided with a vertical through hole 21 and two or more sets of rails 22 arranged around the vertical through hole 21. Each set of rails 22 includes two grooves 221 pointing to the axis of the vertical through hole 21. The positioning mechanism 3 includes a lifting drive assembly 31, a lifting block 32, and a workpiece positioning block 33. The lifting drive assembly 31 is mounted on the frame 1. The lifting drive assembly 31 drives the lifting block 32 to move vertically along the axis of the vertical through hole 21. The lifting block 32 is provided with a pressing inclined surface 321. The workpiece positioning block 33 is slidably mounted in the slide groove 221. The workpiece positioning block 33 is provided with a supporting inclined surface 331 that abuts against the pressing inclined surface 321. Welding mechanism 4 is located above workbench 2.

[0018] As can be seen from the above description, the beneficial effects of this utility model are as follows: A welding device for processing automotive seat frame assemblies, when in use, the workpiece is placed on the worktable 2 or directly on the two positioning mechanisms 3 in the two oppositely arranged slide grooves 221 according to the workpiece size. The lifting drive component 31 controls the lifting block 32 to rise or fall. When the pressing inclined surface 321 of the lifting block 32 contacts the supporting inclined surface 331 of the workpiece positioning block 33, it will push the workpiece positioning block 33 to slide in the slide groove 221, thereby clamping and positioning the workpiece from the inside, improving the workpiece positioning efficiency.

[0019] In an optional embodiment, the workpiece positioning block 33 is provided with a detachable workpiece support plate 34.

[0020] As can be seen from the above description, different sizes and shapes of workpiece support plates 34 can be flexibly selected as needed to perfectly support and position the workpiece.

[0021] In an optional embodiment, a rubber pad is provided on the workpiece support plate 34.

[0022] As can be seen from the above description, the rubber pad serves to protect the workpiece from scratches and reduce vibration.

[0023] In an optional embodiment, the positioning mechanism 3 further includes an elastic connector 35, through which two opposing workpiece positioning blocks 33 are connected.

[0024] As can be seen from the above description, the function of the elastic connector 35 is to provide a restoring force for the relative workpiece positioning block 33, improve the synchronization of the clamping and positioning action, and also help reduce the vibration of the workpiece during the processing.

[0025] In an optional embodiment, the pressing slope 321 is a conical surface, and the supporting slope 331 is an arc surface adapted to the conical surface.

[0026] As can be seen from the above description, the design of the pressing surface as a conical surface can ensure that the workpiece positioning blocks 33 in multiple directions can be pushed simultaneously.

[0027] In an optional embodiment, the lifting drive assembly 31 includes a servo motor 311, a screw 312, and a lifting frame 313. The servo motor 311 is mounted on the frame 1. The servo motor 311 drives the lifting frame 313 to move vertically up and down along the axis of the vertical through hole 21 via the screw 312. The lifting block 32 is mounted on the lifting frame 313.

[0028] As can be seen from the above description, the servo motor 311 drives the screw 312 to rotate, thereby precisely controlling the lifting height of the lifting frame 313 on the frame 1 and accurately adjusting the moving distance of the workpiece positioning block 33.

[0029] In an optional embodiment, the lifting block 32 is detachably connected to the lifting frame 313.

[0030] As can be seen from the above description, the lifting block 32 can be replaced with different shapes and pressing surface inclinations as needed.

[0031] In an optional embodiment, the frame 1 is provided with a lifting track 11 for the lifting frame 313 to slide.

[0032] As can be seen from the above description, the lifting track 11 serves as a guide and positioning mechanism.

[0033] In an optional embodiment, the welding mechanism 4 includes a first movable frame, the frame 1 is provided with a first guide rail 12 for sliding the first movable frame, the first movable frame is provided with a second guide rail perpendicular to the first guide rail 12, a slidable second movable frame is provided in the second guide rail, a third movable frame is provided on the second movable frame, a slidable third movable frame is provided in the third movable frame, and a laser welding head 41 is provided on the third movable frame.

[0034] As can be seen from the above description, the laser welding head 41 uses a three-axis moving mechanism to achieve position adjustment in three directions.

[0035] In an optional embodiment, a rotating frame is provided on the third movable frame, and the laser welding head 41 is mounted on the rotating frame.

[0036] As can be seen from the above description, the rotation angle of the laser welding head 41 can be adjusted by using the rotating frame, thereby improving welding efficiency.

[0037] Please refer to Figures 1 to 5 As shown, Embodiment 1 of this utility model is: a welding device for processing an automobile seat frame assembly, comprising: The frame 1 and the worktable 2, positioning mechanism 3 and welding mechanism 4 respectively mounted on the frame 1; The workbench 2 is provided with a vertical through hole 21 and two or more sets of rails 22 arranged around the vertical through hole 21. Each set of rails 22 includes two grooves 221 pointing to the axis of the vertical through hole 21. The positioning mechanism 3 includes a lifting drive assembly 31, a lifting block 32, and a workpiece positioning block 33. The lifting drive assembly 31 is mounted on the frame 1. The lifting drive assembly 31 drives the lifting block 32 to move vertically along the axis of the vertical through hole 21. The lifting block 32 is provided with a pressing inclined surface 321. The workpiece positioning block 33 is slidably mounted in the slide groove 221. The workpiece positioning block 33 is provided with a supporting inclined surface 331 that abuts against the pressing inclined surface 321. Welding mechanism 4 is located above workbench 2.

[0038] The workpiece positioning block 33 is equipped with a detachable workpiece support plate 34. The workpiece support plate 34 is equipped with a rubber pad. The positioning mechanism 3 also includes an elastic connector 35, which connects two opposing workpiece positioning blocks 33. The elastic connector 35 is a spring. The pressing inclined surface 321 is a conical surface, and the supporting inclined surface 331 is an arc surface adapted to the conical surface. The lifting drive assembly 31 includes a servo motor 311, a screw 312, and a lifting frame 313. The servo motor 311 is mounted on the frame 1, and drives the lifting frame 313 to vertically lift along the axis of the vertical through hole 21 via the screw 312. The lifting block 32 is mounted on the lifting frame 313. The lifting block 32 is detachably connected to the lifting frame 313. The frame 1 is equipped with a lifting track 11 for the lifting frame 313 to slide. The welding mechanism 4 includes a first movable frame. The frame 1 has a first guide rail 12 for sliding on the first movable frame. A second guide rail perpendicular to the first guide rail 12 is provided on the first movable frame. A slidable second movable frame is located within the second guide rail. A third movable frame is provided on the second movable frame, and a slidable third movable frame is located within the third movable frame. A laser welding head 41 is provided on the third movable frame. A rotating frame is provided on the third movable frame, and the laser welding head 41 is mounted on the rotating frame. The above-mentioned four-axis welding mechanism 4 is driven by cylinders and motors, and additional degrees of freedom can be added as needed.

[0039] In summary, the welding device for processing automotive seat frame assemblies of this utility model allows the workpiece to be placed on a workbench or directly on two positioning mechanisms in two oppositely arranged sliding grooves, according to the workpiece size. The lifting drive assembly controls the lifting block to rise or fall. When the pressing inclined surface of the lifting block contacts the supporting inclined surface of the workpiece positioning block, it pushes the workpiece positioning block to slide in the sliding groove, thereby clamping and positioning the workpiece from the inside, improving the workpiece positioning efficiency.

[0040] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A welding device for processing automotive seat frame assemblies, characterized in that, include: The machine includes a frame and a worktable, a positioning mechanism, and a welding mechanism, all mounted on the frame. The worktable has a vertical through hole and two or more sets of tracks surrounding the vertical through hole. Each set of tracks includes two grooves pointing towards the axis of the vertical through hole. The positioning mechanism includes a lifting drive assembly, a lifting block, and a workpiece positioning block. The lifting drive assembly is mounted on the frame and drives the lifting block to move vertically up and down along the axis of the vertical through hole. The lifting block has a pressing inclined surface. The workpiece positioning block is slidably mounted in the groove and has a supporting inclined surface that abuts against the pressing inclined surface. The welding mechanism is located above the worktable.

2. The welding apparatus for processing automotive seat frame assemblies according to claim 1, characterized in that, The workpiece positioning block is equipped with a detachable workpiece support plate.

3. The welding apparatus for processing automotive seat frame assemblies according to claim 2, characterized in that, Rubber pads are provided on the workpiece support plate.

4. The welding apparatus for processing automotive seat frame assemblies according to claim 1, characterized in that, The pressing slope is a cone, and the supporting slope is an arc surface that fits the cone.

5. The welding apparatus for processing automotive seat frame assemblies according to claim 1, characterized in that, The lifting drive assembly includes a servo motor, a screw, and a lifting frame. The servo motor is mounted on the frame and drives the lifting frame to move vertically up and down along the axis of the vertical through hole via the screw. The lifting block is mounted on the lifting frame.

6. The welding apparatus for processing automotive seat frame assemblies according to claim 5, characterized in that, The lifting block and the lifting frame are detachably connected.

7. The welding apparatus for processing automotive seat frame assemblies according to claim 5, characterized in that, The frame is equipped with lifting rails for the lifting frame to slide.

8. The welding apparatus for processing automotive seat frame assemblies according to claim 1, characterized in that, The welding mechanism includes a first movable frame, a frame with a first guide rail for sliding the first movable frame, a second guide rail perpendicular to the first guide rail on the first movable frame, a slidable second movable frame inside the second guide rail, a third movable frame on the second movable frame, a slidable third movable frame inside the third movable frame, and a laser welding head on the third movable frame.

9. The welding apparatus for processing automotive seat frame assemblies according to claim 1, characterized in that, The third moving frame is equipped with a rotating frame, on which the laser welding head is mounted.