A fixture structure for a robotic welding station

CN224713291UActive Publication Date: 2026-09-04WUHAN TIANCHENG AUTOMOTIVE SEAT CO LTD
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Patent Information

Application Number
CN202521700034.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-11
Publication Date
2026-09-04
Estimated Expiration
2035-08-11

AI Technical Summary

Technical Problem

[0004]但是,该焊接机器人的工装夹具结构,在进行焊接时,产生大量烟雾,影响环境健康,常见的排烟装置抽气部分固定,导致烟气容易逸散,故而提出一种机器人焊接工作站的夹具结构来解决上述中所提出的问题

Benefits of technology

该机器人焊接工作站的夹具结构,通过在工作台顶部设置转动内齿环,在转动内齿环的顶部设置升降油缸,在升降油缸的活动端设置支持立板,在支持立板的一侧设置横移油缸,通过转动内齿环调整吸气罩的方位,通过升降油缸调整吸气罩的高度,通过横移油缸调整吸气罩靠近焊接位置,解决了常见的焊接机器人的工装夹具结构,在进行焊接时,产生大量烟雾,影响环境健康,排烟装置抽气部分固定,导致烟气容易逸散的问题。

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Abstract

The utility model relates to a kind of gripper structure of robot welding workstation, belong to welding equipment technical field, including workbench, the top of the workbench is rotatably installed with rotating inner tooth ring, the top of the rotating inner tooth ring is provided with smoke exhaust component, the smoke exhaust component includes elevating cylinder fixedly installed in the top of rotating inner tooth ring, the movable end of the elevating cylinder is fixedly installed with support vertical plate, the side of the support vertical plate is fixedly installed with horizontal moving oil cylinder, the movable end of the horizontal moving oil cylinder is fixedly installed with moving base.The gripper structure of robot welding workstation, rotating inner tooth ring is set on the top of workbench, elevating cylinder is set on the top of rotating inner tooth ring, support vertical plate is set on the movable end of elevating cylinder, horizontal moving oil cylinder is set on the side of support vertical plate, the orientation of suction hood is adjusted by rotating inner tooth ring, the height of suction hood is adjusted by elevating cylinder, suction hood is adjusted to be close to welding position by horizontal moving oil cylinder.
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Description

Technical Field

[0001] This utility model relates to the field of welding equipment technology, specifically to a fixture structure for a robotic welding workstation. Background Technology

[0002] Robotic welding workstations are automated welding devices integrating welding robots, welding power sources, tooling fixtures, and intelligent control systems. They can precisely complete welding tasks for materials such as carbon steel, stainless steel, and aluminum alloys. Their core advantages lie in high precision and high efficiency. Through technologies such as weld seam tracking and offline programming, they achieve high repeatability, high welding efficiency, and a significantly higher pass rate than manual welding. The modular design supports compatibility with multiple robot brands and can be expanded with advanced functions such as laser positioning and 3D vision guidance. Widely used in automotive manufacturing, construction machinery, nuclear power equipment, and other fields, they are key equipment driving the intelligent upgrading of industrial welding.

[0003] Utility model patent CN215509729U discloses a tooling fixture structure for a welding robot, including a worktable, a first mounting plate disposed on the worktable, and a second mounting plate disposed on one side of the worktable; the first mounting plate is provided with a first clamping clamp, and the second mounting plate is provided with a second clamping clamp; a product auxiliary clamping plate is provided on the side of the worktable; the first mounting plate of this structure is installed at an angle on the surface of the worktable; when the product on the worktable has an irregular structure, the first clamping clamp or the second clamping clamp can be used to clamp and fix the product according to the actual situation; after the product is clamped and fixed, the product auxiliary clamping plate is driven by a clamping cylinder to clamp and fix the product. This structure uses the first clamping clamp and the second clamping clamp at different installation angles to cooperate with the product auxiliary clamping plate to fix the product, which is suitable for clamping and fixing products of different shapes and has high operational flexibility.

[0004] However, the tooling fixture structure of this welding robot generates a large amount of smoke during welding, which affects environmental health. Common fume extraction devices have fixed exhaust parts, which makes it easy for the smoke to escape. Therefore, a fixture structure for a robotic welding workstation is proposed to solve the problems mentioned above. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a fixture structure for a robotic welding workstation, which has advantages such as convenient adjustment of the air extraction position according to the welding position, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A fixture structure for a robotic welding workstation includes a worktable, on the top of which a rotating internal gear ring is rotatably mounted, and on the top of the rotating internal gear ring is a smoke exhaust assembly. The smoke exhaust assembly includes a lifting cylinder fixedly installed on the top of a rotating internal gear ring. A support plate is fixedly installed on the movable end of the lifting cylinder. A transverse cylinder is fixedly installed on one side of the support plate. A movable base is fixedly installed on the movable end of the transverse cylinder. A rotating block is rotatably installed inside the movable base. An air suction hood is fixedly installed on one side of the rotating block. A connecting air pipe is fixedly installed on the surface of the air suction hood.

[0007] Furthermore, the movable base includes a movable upright plate fixedly installed on the movable end of the transverse hydraulic cylinder, and two mounting ears are fixedly installed on one side of the movable upright plate, with a mounting shaft fixedly installed between the two mounting ears.

[0008] Furthermore, a damping sleeve is rotatably mounted on the surface of the mounting shaft, and a rotating block is fixedly mounted on the surface of the damping sleeve.

[0009] Furthermore, a support base plate is fixedly installed at the bottom of the workbench, an air slip ring is rotatably installed at the bottom of the support base plate, and a support column is fixedly installed at the bottom of the air slip ring.

[0010] Furthermore, the connecting air pipe is connected to the movable part of the air slip ring, and an air extraction pipe is fixedly installed on one side of the fixed part of the air slip ring.

[0011] Furthermore, a rotating gear is rotatably mounted on the top of the workbench, and the rotating gear meshes with a rotating internal gear ring.

[0012] Furthermore, a rotating motor is fixedly installed at the bottom of the workbench, and the output shaft of the rotating motor meshes with a rotating gear.

[0013] Furthermore, a clamp base is fixedly installed on the top of the workbench, and an insertion hole is provided at the top of the clamp base. A mounting base plate is fixedly installed at the bottom of the support column, and two reinforcing columns are fixedly installed on the top of the mounting base plate.

[0014] Compared with the prior art, the present invention provides a fixture structure for a robotic welding workstation, which has the following advantages: The fixture structure of this robotic welding workstation solves the problems of common welding robot fixture structures that generate large amounts of smoke during welding, affecting environmental health, and the fixed exhaust system causing easy smoke dispersion. These problems include a rotating internal gear ring on the top of the worktable, a lifting cylinder on top of the rotating internal gear ring, a support plate on the movable end of the lifting cylinder, and a lateral movement cylinder on one side of the support plate. The rotating internal gear ring adjusts the orientation of the suction hood, the lifting cylinder adjusts the height of the suction hood, and the lateral movement cylinder adjusts the suction hood closer to the welding position. Attached Figure Description

[0015] Figure 1 This is a front sectional view of the structure of this utility model; Figure 2 This is a top sectional view of the structure of this utility model; Figure 3 This is a front sectional view of the air intake hood of this utility model; Figure 4 This is a three-dimensional drawing of the air intake hood of this utility model.

[0016] In the diagram: 1. Workbench; 2. Rotating internal gear ring; 3. Lifting cylinder; 4. Support plate; 5. Horizontal movement cylinder; 6. Moving base; 61. Moving plate; 62. Mounting ear plate; 63. Mounting shaft; 7. Rotating block; 71. Damping sleeve; 8. Suction hood; 9. Connecting air pipe; 10. Support base plate; 11. Air slip ring; 12. Support column; 13. Suction pipe; 14. Rotating gear; 15. Rotating motor; 16. Fixture base; 17. Insertion hole; 18. Mounting base plate; 19. Reinforcing column. 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 Figures 1 to 4 The fixture structure of a robotic welding workstation in this embodiment includes a worktable 1, a rotating internal gear ring 2 rotatably mounted on the top of the worktable 1, and a smoke exhaust assembly provided on the top of the rotating internal gear ring 2.

[0019] The smoke exhaust assembly includes a lifting cylinder 3 fixedly installed on the top of the rotating internal gear ring 2. A support plate 4 is fixedly installed on the movable end of the lifting cylinder 3. A transverse cylinder 5 is fixedly installed on one side of the support plate 4. A movable base 6 is fixedly installed on the movable end of the transverse cylinder 5. A rotating block 7 is rotatably installed inside the movable base 6. An air suction hood 8 is fixedly installed on one side of the rotating block 7. A connecting air pipe 9 is fixedly installed on the surface of the air suction hood 8.

[0020] Specifically, during welding, the internal gear ring 2 is rotated to adjust the position of the suction hood 8, the lifting cylinder 3 is extended and retracted to adjust the height of the suction hood 8, the horizontal movement cylinder 5 is extended and retracted to adjust the suction hood 8 to be closer to the welding position, and the rotating block 7 is rotated to adjust the orientation of the suction hood 8 so that the suction hood 8 can easily draw away all the smoke.

[0021] Please see Figure 3 and Figure 4In this embodiment, the movable base 6 includes a movable upright plate 61 fixedly installed at the movable end of the transverse hydraulic cylinder 5. Two mounting ear plates 62 are fixedly installed on one side of the movable upright plate 61, and a mounting shaft 63 is fixedly installed between the two mounting ear plates 62.

[0022] A damping sleeve 71 is rotatably mounted on the surface of the mounting shaft 63, and a rotating block 7 is fixedly mounted on the surface of the damping sleeve 71. Friction is generated between the damping sleeve 71 and the mounting shaft 63, allowing the direction of the suction hood 8 to be adjusted and suspended at will.

[0023] Please see Figure 1 In this embodiment, a support base plate 10 is fixedly installed at the bottom of the workbench 1, an air slip ring 11 is rotatably installed at the bottom of the support base plate 10, and a support column 12 is fixedly installed at the bottom of the air slip ring 11.

[0024] The connecting air pipe 9 is connected to the movable part of the air slip ring 11, and the suction pipe 13 is fixedly installed on one side of the fixed part of the air slip ring 11. The suction pipe 13 is connected to an external suction device, and the air slip ring 11 keeps the connecting air pipe 9 connected when it rotates.

[0025] Meanwhile, a rotating gear 14 is rotatably mounted on the top of the workbench 1, and the rotating gear 14 meshes with the rotating internal gear ring 2.

[0026] A rotary motor 15 is fixedly installed at the bottom of the workbench 1, and the output shaft of the rotary motor 15 meshes with a rotary gear 14. The rotary motor 15 drives the rotary gear 14 to rotate, which in turn drives the internal gear ring 2 to rotate.

[0027] Secondly, a fixture base 16 is fixedly installed on the top of the workbench 1. The fixture base 16 has an insertion hole 17 at the top. A mounting base plate 18 is fixedly installed on the bottom of the support column 12. Two reinforcing columns 19 are fixedly installed on the top of the mounting base plate 18. The welding fixture is installed on the top of the fixture base 16 through the insertion hole 17, and the workpiece is installed on the welding fixture.

[0028] The working principle of the above embodiment is as follows: During welding, the internal gear ring 2 is rotated to adjust the position of the suction hood 8, the lifting cylinder 3 is extended and retracted to adjust the height of the suction hood 8, the horizontal movement cylinder 5 is extended and retracted to adjust the suction hood 8 to be closer to the welding position, and the rotating block 7 is rotated to adjust the orientation of the suction hood 8.

[0029] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods, and any method that achieves the desired beneficial effect can be implemented. Furthermore, all electrical components in this embodiment are electrically connected to the main controller and power supply. The main controller can be a conventional, known device such as a computer that performs control functions. Those skilled in the art can control the electrical components through simple programming, and the existing disclosed power connection technologies are common knowledge in the field. Therefore, this embodiment will not elaborate further on their specific structural composition and working principles.

[0030] 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.

[0031] 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.

[0032] 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. A fixture structure for a robotic welding workstation, comprising a worktable (1), characterized in that: A rotating internal gear ring (2) is rotatably mounted on the top of the workbench (1), and a smoke exhaust assembly is provided on the top of the rotating internal gear ring (2). The smoke exhaust assembly includes a lifting cylinder (3) fixedly installed on the top of the rotating internal gear ring (2). A support plate (4) is fixedly installed on the movable end of the lifting cylinder (3). A transverse cylinder (5) is fixedly installed on one side of the support plate (4). A movable base (6) is fixedly installed on the movable end of the transverse cylinder (5). A rotating block (7) is rotatably installed inside the movable base (6). An air suction hood (8) is fixedly installed on one side of the rotating block (7). A connecting air pipe (9) is fixedly installed on the surface of the air suction hood (8).

2. The fixture structure of a robotic welding workstation according to claim 1, characterized in that: The movable base (6) includes a movable upright plate (61) fixedly installed at the movable end of the transverse cylinder (5). Two mounting ears (62) are fixedly installed on one side of the movable upright plate (61), and a mounting shaft (63) is fixedly installed between the two mounting ears (62).

3. The fixture structure of a robotic welding workstation according to claim 2, characterized in that: A damping sleeve (71) is rotatably mounted on the surface of the mounting shaft (63), and a rotating block (7) is fixedly mounted on the surface of the damping sleeve (71).

4. The fixture structure of a robotic welding workstation according to claim 1, characterized in that: The bottom of the workbench (1) is fixedly installed with a support base plate (10), and a slip ring (11) is rotatably installed on the bottom of the support base plate (10). A support column (12) is fixedly installed on the bottom of the slip ring (11).

5. The fixture structure of a robotic welding workstation according to claim 4, characterized in that: The connecting air pipe (9) is connected to the movable part of the air slip ring (11), and an air extraction pipe (13) is fixedly installed on one side of the fixed part of the air slip ring (11).

6. The fixture structure of a robotic welding workstation according to claim 1, characterized in that: A rotating gear (14) is rotatably mounted on the top of the workbench (1), and the rotating gear (14) meshes with the rotating internal gear ring (2).

7. The fixture structure of a robotic welding workstation according to claim 6, characterized in that: A rotating motor (15) is fixedly installed at the bottom of the workbench (1), and the output shaft of the rotating motor (15) meshes with the rotating gear (14).

8. The fixture structure of a robotic welding workstation according to claim 4, characterized in that: The top of the workbench (1) is fixedly installed with a clamp base (16), and the top of the clamp base (16) has an insertion hole (17). The bottom of the support column (12) is fixedly installed with an installation base plate (18), and the top of the installation base plate (18) is fixedly installed with two reinforcing columns (19).

Citation Information

Patent Citations

  • Tool clamp structure of welding robot

    CN215509729U