Octagonal pipe gripper for welding of car seat brackets

CN224795732UActive Publication Date: 2026-09-25WUHAN RUIZHUN INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202522403185.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-12
Publication Date
2026-09-25
Estimated Expiration
2035-11-12

AI Technical Summary

Technical Problem

[0004]针对现有技术的不足,本实用新型提供了一种用于汽车座椅支架焊接的八角管抓手,具备便于拆卸检修等优点,解决了上述背景技术提出八角管架通过螺栓固定在焊接机器人上,在拆卸八角管架进行检修时,需要用到螺丝刀之类的工具,操作起来较为繁琐,导致不便于拆卸八角管架检修的问题

Benefits of technology

1、该用于汽车座椅支架焊接的八角管抓手,通过固定组件的设计使得机器人手臂和八角管架体之间的连接和拆卸非常快速,无需使用工具就可以实现八角管抓手与机器人手臂之间的快速拆卸,操作简便高效,大大提高了工作效率。并且,拉动架和卡块的配合设计,使得拆装过程简单快捷,减少了八角管架体维护和更换时间。此外,八角管架体由多个八角管焊接而成,具有较高的结构强度和稳固性,在焊接过程中能够具有较大的抓取力和承受较大的冲击力。

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Abstract

The utility model relates to a kind of octagonal pipe gripper for automobile seat support welding, belong to octagonal pipe gripper technical field, including robot arm and octagonal pipe frame body, the side of the robot arm is equipped with fixed assembly, octagonal pipe frame body is equipped with gripper assembly, the fixed assembly includes inserting block, frame, two fixed holes, two fixed blocks, two springs, two clamping blocks, two pull frames and two clamping grooves, the inserting block is fixed in the side of the robot arm.This octagonal pipe gripper for automobile seat support welding makes the connection and disassembly between robot arm and octagonal pipe frame body very fast through the design of fixed assembly, without using tool, greatly improve work efficiency, the cooperation design of pull frame and clamping block makes dismounting process simple and fast, reduces maintenance and replacement time, octagonal pipe frame body is welded by multiple octagonal pipes, with higher structural strength and stability.
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Description

Technical Field

[0001] This utility model relates to the field of octagonal tube gripper technology, specifically an octagonal tube gripper for welding automotive seat brackets. Background Technology

[0002] In modern automobile manufacturing, the welding of car seat brackets is a critical step. Traditional welding processes usually require manual operation, which is not only inefficient but also makes it difficult to guarantee consistent welding quality. With the development of automation technology, welding robots are widely used in the automobile manufacturing industry to improve welding efficiency and quality.

[0003] However, existing octagonal tube frames are generally fixed to welding robots with bolts. When disassembling the octagonal tube frame for maintenance, tools such as screwdrivers are required, which is cumbersome. This not only increases the time cost of maintenance and replacement, but may also cause damage to parts due to improper use of tools, affecting production efficiency and equipment reliability. Therefore, an octagonal tube gripper for welding automotive seat brackets is proposed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an octagonal tube gripper for welding automotive seat brackets. It has advantages such as easy disassembly and maintenance, and solves the problem mentioned in the background technology that the octagonal tube frame is fixed to the welding robot with bolts. When disassembling the octagonal tube frame for maintenance, tools such as screwdrivers are required, which is cumbersome and inconvenient for disassembling the octagonal tube frame for maintenance.

[0005] To achieve the above objectives, this utility model provides the following technical solution: An octagonal tube gripper for welding automotive seat brackets includes a robotic arm and an octagonal tube frame. A fixing component is provided on one side of the robotic arm, and a gripper component is provided on the octagonal tube frame. The fixing assembly includes a plug-in block, a frame, two fixing holes, two fixing blocks, two springs, two locking blocks, two pulling frames, and two locking slots. The plug-in block is fixed to one side of the robot arm, and the frame is fixed to the right side of the octagonal tube frame. The plug-in block is slidably inserted into the inside of the frame. Both fixing holes are opened through the upper and lower surfaces of the frame, and both fixing blocks are fixed inside the fixing holes on the upper and lower sides.

[0006] Furthermore, both springs are fixed to opposite sides of the upper and lower fixing blocks, both locking blocks are fixed to opposite sides of the upper and lower springs, both pulling brackets are fixed to opposite sides of the upper and lower locking blocks, both pulling brackets are slidably connected to the interior of the upper and lower fixing blocks, and both slots are formed on the upper and lower surfaces of the insertion block, with the opposite sides of the upper and lower locking blocks slidably inserted into the interior of the upper and lower slots.

[0007] Furthermore, the gripper assembly includes a mounting frame, a cylinder, a connecting block, two clamping frames, two connecting plates, and two connecting rods. The mounting frame is fixed to the octagonal tube frame, the cylinder is fixed inside the mounting frame, the connecting block is fixed to the outside of the cylinder piston rod, and both clamping frames are hinged to the connecting block via hinge seats.

[0008] Furthermore, both connecting plates are symmetrically arranged on the left side of the octagonal tube frame, and both connecting rods are hinged to the left side of the upper and lower connecting plates via hinge seats. The left sides of the upper and lower connecting rods are hinged to the opposite side of the upper and lower clamping frames via hinge seats.

[0009] Furthermore, the octagonal tube frame is welded together from multiple octagonal tubes.

[0010] Furthermore, the frame is a rectangular frame, and the plug-in block is a rectangular block.

[0011] Furthermore, the pulling frame moves linearly up and down inside the fixed block.

[0012] Furthermore, the pulling frame is a U-shaped frame.

[0013] Compared with the prior art, this utility model provides an octagonal tube gripper for welding automotive seat brackets, which has the following advantages: 1. This octagonal tube gripper for welding automotive seat brackets features a design that allows for rapid connection and disassembly between the robotic arm and the octagonal tube frame. Tools are not required for quick separation between the gripper and the robotic arm, making operation simple and efficient, significantly improving work efficiency. Furthermore, the coordinated design of the pull frame and locking blocks simplifies and speeds up the assembly and disassembly process, reducing maintenance and replacement time for the octagonal tube frame. In addition, the octagonal tube frame is welded from multiple octagonal tubes, providing high structural strength and stability, and enabling it to exert significant gripping force and withstand substantial impact during welding.

[0014] 2. The octagonal tube gripper used for welding car seat brackets moves the gripper assembly to one side of the car seat bracket by driving the robot arm. Then, the cylinder is activated to drive two clamping frames to grip the car seat bracket before welding. The gripper assembly is driven by a cylinder, which can achieve precise gripping and releasing actions and adapt to car seat brackets of different shapes and sizes. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the fixing component of this utility model; Figure 3 This is a schematic diagram of the gripper component of this utility model; Figure 4 This is a schematic diagram of the connection structure between the octagonal tube frame and the connecting plate of this utility model.

[0016] In the diagram: 1 Robot arm, 2 Octagonal tube frame, 3 Fixing component, 301 Insertion block, 302 Frame, 303 Fixing hole, 304 Fixing block, 305 Spring, 306 Clamping block, 307 Pulling frame, 308 Slot, 4 Gripper assembly, 401 Mounting bracket, 402 Cylinder, 403 Connecting block, 404 Clamping bracket, 405 Connecting plate, 406 Connecting rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1 An octagonal tube gripper for welding car seat brackets in this embodiment includes a robot arm 1 and an octagonal tube frame 2. A fixing component 3 is provided on one side of the robot arm 1, and a gripper component 4 is provided on the octagonal tube frame 2.

[0019] In this embodiment, the octagonal tube frame 2 is welded together from multiple octagonal tubes.

[0020] Please see Figure 2In this embodiment, the fixing component 3 includes a plug-in block 301, a frame 302, two fixing holes 303, two fixing blocks 304, two springs 305, two locking blocks 306, two pulling frames 307, and two locking slots 308. The plug-in block 301 is fixed to one side of the robot arm 1, and the frame 302 is fixed to the right side of the octagonal tube frame 2. The plug-in block 301 is slidably inserted into the inside of the frame 302. The two fixing holes 303 are both opened through the upper and lower surfaces of the frame 302, and the two fixing blocks 304 are both fixed inside the fixing holes 303 on the upper and lower sides.

[0021] Specifically, two springs 305 are fixed to opposite sides of the upper and lower fixing blocks 304, two locking blocks 306 are fixed to opposite sides of the upper and lower springs 305, two pulling brackets 307 are fixed to opposite sides of the upper and lower locking blocks 306, the upper and lower pulling brackets 307 are slidably connected to the inside of the upper and lower fixing blocks 304, two slots 308 are opened on the upper and lower surfaces of the insertion block 301, the opposite sides of the upper and lower locking blocks 306 are slidably inserted into the inside of the upper and lower locking slots 308, the frame 302 is a rectangular frame, the insertion block 301 is a rectangular block, the pulling bracket 307 moves linearly up and down inside the fixing block 304, and the pulling bracket 307 is a U-shaped frame.

[0022] It should be noted that by pulling the upper and lower pull brackets 307 in opposite directions, the upper and lower springs 305 are compressed, and the upper and lower locking blocks 306 move in opposite directions and into the fixing hole 303. Then, the plug-in block 301 is inserted into the frame 302, and the upper and lower pull brackets 307 are released. Then, under the influence of the return spring force of the upper and lower springs 305, the opposite side of the upper and lower locking blocks 306 moves into the upper and lower locking slots 308 to achieve a fixed connection. When disassembling, the upper and lower pull brackets 307 are pulled in opposite directions to disengage the upper and lower locking blocks 306 from the upper and lower locking slots 308. Then, the plug-in block 301 is pulled out from the frame 302 to complete the disassembly, which facilitates the disassembly and maintenance of the octagonal tube frame 2.

[0023] Please see Figures 3 to 4 In this embodiment, the gripper assembly 4 includes a mounting frame 401, a cylinder 402, a connecting block 403, two clamping frames 404, two connecting plates 405, and two connecting rods 406. The mounting frame 401 is fixed on the octagonal tube frame 2, the cylinder 402 is fixed inside the mounting frame 401, the connecting block 403 is fixed on the outside of the piston rod of the cylinder 402, and the two clamping frames 404 are hinged to the connecting block 403 through hinge seats.

[0024] Specifically, the two connecting plates 405 are symmetrically arranged on the left side of the octagonal tube frame 2, and the two connecting rods 406 are hinged to the left side of the upper and lower connecting plates 405 through hinge seats. The left side of the upper and lower connecting rods 406 are hinged to the opposite side of the upper and lower clamping frames 404 through hinge seats.

[0025] It should be noted that during the gripping process, the robot arm 1 can be driven to move the gripper assembly 4 to one side of the car seat bracket. Then, the cylinder 402 is activated, which can drive the two clamping frames 404 to grip the car seat bracket before welding.

[0026] The working principle of the above embodiments is as follows: In use, by pulling the upper and lower pull brackets 307 in opposite directions, the upper and lower springs 305 are compressed, and the upper and lower locking blocks 306 move in opposite directions and into the fixing hole 303. Then, the plug block 301 is inserted into the frame 302, and the upper and lower pull brackets 307 are released. Then, under the influence of the return elastic force of the upper and lower springs 305, the opposite side of the upper and lower locking blocks 306 moves into the upper and lower locking slots 308 to achieve a fixed connection. When disassembling, the upper and lower pull brackets 307 are pulled in opposite directions to disengage the upper and lower locking blocks 306 from the upper and lower locking slots 308. Then, the plug block 301 is pulled out from the frame 302 to complete the disassembly. When gripping, the robot arm 1 can be driven to move the gripper assembly 4 to one side of the car seat bracket. Then, the cylinder 402 is activated to drive the two clamping brackets 404 to grip the car seat bracket, and then welding is performed.

[0027] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that can achieve its beneficial effects can be implemented.

[0028] It should be noted that the orientations or positional relationships indicated herein are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the purpose of facilitating the description of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An octagonal tube gripper for welding automotive seat brackets, comprising a robotic arm (1) and an octagonal tube frame (2), characterized in that: The robot arm (1) is provided with a fixing component (3) on one side, and the octagonal tube frame (2) is provided with a gripper component (4). The fixing component (3) includes a plug-in block (301), a frame (302), two fixing holes (303), two fixing blocks (304), two springs (305), two locking blocks (306), two pulling frames (307), and two locking slots (308). The plug-in block (301) is fixed to one side of the robot arm (1), and the frame (302) is fixed to the right side of the octagonal tube frame (2). The plug-in block (301) is slidably inserted into the inside of the frame (302). The two fixing holes (303) are both opened through the upper and lower surfaces of the frame (302), and the two fixing blocks (304) are both fixed inside the fixing holes (303) on the upper and lower sides.

2. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: Both springs (305) are fixed to opposite sides of the upper and lower fixing blocks (304), both locking blocks (306) are fixed to opposite sides of the upper and lower springs (305), both pulling brackets (307) are fixed to opposite sides of the upper and lower locking blocks (306), both pulling brackets (307) are slidably connected to the interior of the upper and lower fixing blocks (304), both slots (308) are formed on the upper and lower surfaces of the insertion block (301), and the opposite sides of the upper and lower locking blocks (306) are slidably inserted into the interior of the upper and lower slots (308).

3. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: The gripper assembly (4) includes a mounting frame (401), a cylinder (402), a connecting block (403), two clamping frames (404), two connecting plates (405), and two connecting rods (406). The mounting frame (401) is fixed on the octagonal tube frame (2), the cylinder (402) is fixed inside the mounting frame (401), and the connecting block (403) is fixed outside the piston rod of the cylinder (402). Both clamping frames (404) are hinged to the connecting block (403) through hinge seats.

4. An octagonal tube gripper for welding automotive seat brackets according to claim 3, characterized in that: The two connecting plates (405) are symmetrically arranged on the left side of the octagonal tube frame (2). The two connecting rods (406) are hinged to the left side of the connecting plates (405) on both the upper and lower sides through hinge seats. The left side of the connecting rods (406) on both the upper and lower sides is hinged to the opposite side of the clamping frame (404) on both the upper and lower sides through hinge seats.

5. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: The octagonal tube frame (2) is welded together from multiple octagonal tubes.

6. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: The frame (302) is a rectangular frame, and the plug-in block (301) is a rectangular block.

7. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: The pull frame (307) moves linearly up and down inside the fixed block (304).

8. An octagonal tube gripper for welding automotive seat brackets according to claim 1, characterized in that: The pull frame (307) is a U-shaped frame.