A robot for welding automotive parts

CN224424666UActive Publication Date: 2026-06-30CHANGZHOU ZHONGXUAN INTELLIGENT TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGZHOU ZHONGXUAN INTELLIGENT TECHNOLOGY CO LTD
Filing Date
2025-07-18
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing automotive parts welding robots suffer from inconvenient height adjustment, difficulty in multi-angle welding, high labor intensity, and insufficient stability and versatility.

Method used

The design employs mobile lifting components and welded components, including self-locking casters, toothed plates, lifting plates, transmission gears, and motor drives, to achieve convenient adjustment of the robot's height and angle.

Benefits of technology

It improves the stability and convenience of robot lifting, reduces labor intensity, and enhances the versatility of multi-angle welding.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a robot for welding automotive parts, belonging to the field of automotive parts welding. It includes a mobile lifting assembly and a welding assembly. The mobile lifting assembly includes a base with self-locking casters detachably mounted on the lower end. Several toothed plates are detachably mounted on the upper end of the base, each toothed plate having a first tooth groove on one side. A lifting plate connects the toothed plates, and several lifting gears are rotatably connected to the side surface of the lifting plate, all meshing with the first tooth grooves. The welding assembly includes a rotating seat mounted on the upper end of the lifting plate. This utility model, through the combination of the mobile lifting assembly and the welding assembly, not only facilitates the adjustment of the robot's welding height, reducing labor intensity, but also improves lifting stability and convenience. Furthermore, the coordinated structure facilitates welding operations at different angles, thereby improving the robot's versatility.
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Description

Technical Field

[0001] This utility model relates to the field of automotive parts welding, specifically to a robot for welding automotive parts. Background Technology

[0002] Automotive parts are essential components that enhance the functionality of automobiles. To facilitate automated welding of these parts and improve welding efficiency, welding robots are required. The "Robot for Welding Automotive Parts" disclosed in application number "CN202420780228.6" represents an increasingly mature technology. It utilizes a system where "the simultaneous rotation of two bidirectional lead screws controls the raising or lowering of a limiting plate. When the limiting plate rises and four casters are in contact with the ground, the welding robot body can move. When the limiting plate lowers and the four casters disengage from the ground, the increased friction between the limiting plate and the ground prevents positional shifts in the welding robot body during operation, thus avoiding welding errors." This is achieved through motor drive. This robot can rotate multiple screws, which control the raising of the lifting block, thereby controlling the raising of the welding robot body. This allows the robot to weld larger automotive parts. However, this robot has the following drawbacks: while the bidirectional lead screws can control the raising and lowering of the limit plate, manual cranking is laborious and its stability needs improvement. Therefore, it is necessary to provide a robot that improves lifting efficiency, reduces labor intensity, and enhances ease of use and stability. Furthermore, the robot's structure is not suitable for welding operations at different angles as needed. Therefore, it is necessary to provide a robot that facilitates multi-angle welding operations and enhances versatility. Utility Model Content

[0003] This utility model provides a robot for welding automotive parts, aiming to solve the problems of existing robots having inconvenient height adjustment and being unsuitable for multi-angle welding.

[0004] To achieve the above objectives, this utility model provides a robot for welding automotive parts, including a mobile lifting assembly and a welding assembly;

[0005] The movable lifting assembly includes a base, a self-locking universal wheel is detachably installed at the lower end of the base, and a number of toothed plates are detachably installed at the upper end of the base. Each of the toothed plates has a first tooth groove on one side. A lifting plate is connected between the toothed plates. A number of lifting gears are rotatably connected to the side surface of the lifting plate. The lifting gears are meshed inside the first tooth groove.

[0006] The welding assembly includes a rotating seat mounted on the upper end of a lifting plate. The lower end of the rotating seat has a second toothed groove. A first transmission gear and a second transmission gear are rotatably connected inside the second toothed groove. The first transmission gear and the second transmission gear are meshed together. A transmission mechanism is installed at the lower end of the first transmission gear. A transmission arm is rotatably connected to the upper end of the rotating seat. A welding arm is rotatably connected to the upper end of the transmission arm. A welding head is provided at the front end of the welding arm.

[0007] As a preferred embodiment of this utility model, the upper end of the base is provided with several slots, and the lower ends of several toothed plates are fixedly connected with locking blocks, which are engaged inside the slots.

[0008] As a preferred embodiment of this utility model, the upper end of the base is fixedly connected with several positioning rods, and the surface of the lifting plate is provided with several positioning grooves, and the positioning rods are all engaged inside the positioning grooves.

[0009] In a preferred embodiment of this utility model, a limiting ring is fixedly connected to the upper end of the lifting plate, a bearing is installed inside the limiting ring, and the rotating seat is installed inside the bearing.

[0010] As a preferred embodiment of this utility model, a plurality of hinge blocks are fixedly connected to the side surface of the lifting plate, and a plurality of the lifting gears are rotatably connected inside the hinge blocks.

[0011] As a preferred embodiment of this utility model, the upper end of the rotating seat and one end of the welding arm are both fixedly connected to a hinge seat, and both ends of the transmission arm are connected to a rotating shaft, which is rotatably connected inside the hinge seat.

[0012] As a preferred embodiment of this utility model, the transmission mechanism includes a first bevel gear installed at the lower end of the first transmission gear, a first motor installed at the lower end of the rotating seat, a second bevel gear installed at the output end of the first motor, and the second bevel gear and the first bevel gear meshing with each other.

[0013] As a preferred embodiment of this utility model, a second motor is installed at one end of the rotating shaft.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. When adjusting the welding height of the robot, it is only necessary to control the rotating seat and its lower lifting plate to raise or lower, thereby controlling several lifting gears on the side surface of the lifting plate to rise and fall along the tooth grooves in the tooth plate. This not only improves the lifting stability and smoothness of the lifting plate, but also reduces labor intensity. At the same time, the self-locking universal wheels can not only control the movement of the robot, but also ensure that the robot is fixed for use. Compared with the robot in the existing technology "a robot for welding automotive parts", this utility model, through the cooperation of the above structures, can facilitate the control of the robot's lifting and lowering and reduce labor intensity, thereby improving the robot's lifting stability and convenience.

[0016] 2. When adjusting the robot's orientation, the transmission mechanism is first activated to rotate the first transmission gear, which in turn rotates the second transmission gear. At this time, the second transmission gear and the second tooth groove mesh and connect, thereby controlling the rotation of the rotating seat. In conjunction with the transmission arm, welding arm, and welding head, welding operations at different angles can be performed. Compared with the robot in the existing technology "A Robot for Welding Automotive Parts", this utility model, through the cooperation of the above structures, facilitates the robot to perform welding operations at different angles, thereby enhancing the robot's versatility. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is an anatomical diagram of the movable structure of this utility model;

[0019] Figure 3 This is an anatomical diagram of the lifting structure of this utility model;

[0020] Figure 4 This is an anatomical diagram of the transmission mechanism structure of this utility model;

[0021] Figure 5 This is a structural disassembly diagram of the welding assembly of this utility model.

[0022] In the diagram: 100, Movable lifting assembly; 101, Base; 102, Self-locking caster wheel; 103, Gear plate; 104, First gear groove; 105, Lifting plate; 106, Lifting gear; 111, Slot; 112, Block; 121, Positioning rod; 122, Positioning groove; 131, Limiting ring; 132, Bearing; 141, Hinge block; 200, Welding assembly; 201, Rotating seat; 202, Second gear groove; 203, First transmission gear; 204, Second transmission gear; 205, Transmission mechanism; 206, Transmission arm; 207, Welding arm; 208, Welding head; 2051, First bevel gear; 2052, First motor; 2053, Second bevel gear; 211, Hinge seat; 212, Rotating shaft; 221, Second motor. Detailed Implementation

[0023] 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.

[0024] Example

[0025] Please see Figures 1-5 This utility model provides a robot for welding automotive parts, including a mobile lifting assembly 100 and a welding assembly 200;

[0026] The movable lifting assembly 100 includes a base 101, a self-locking caster wheel 102 is detachably installed at the lower end of the base 101, and a plurality of toothed plates 103 are detachably installed at the upper end of the base 101. Each toothed plate 103 has a first toothed groove 104 on one side. A lifting plate 105 is connected between the toothed plates 103. A plurality of lifting gears 106 are rotatably connected to the side surface of the lifting plate 105. The plurality of lifting gears 106 are all meshed inside the first toothed groove 104.

[0027] The welding assembly 200 includes a rotating seat 201 mounted on the upper end of the lifting plate 105. The lower end of the rotating seat 201 is provided with a second toothed groove 202. A first transmission gear 203 and a second transmission gear 204 are rotatably connected inside the second toothed groove 202. The first transmission gear 203 and the second transmission gear 204 are meshed together. A transmission mechanism 205 is mounted on the lower end of the first transmission gear 203. A transmission arm 206 is rotatably connected to the upper end of the rotating seat 201. A welding arm 207 is rotatably connected to the upper end of the transmission arm 206. A welding head 208 is provided at the front end of the welding arm 207.

[0028] In one specific embodiment, the movable lifting assembly 100, in conjunction with the welding assembly 200, not only facilitates the adjustment of the robot's welding height, reducing labor intensity, but also improves lifting stability and convenience. Furthermore, the interplay of these structures facilitates welding operations at different angles, thereby enhancing the robot's versatility. In use, the rotating base 201 and its lower lifting plate 105 are first raised or lowered, thereby controlling the lifting gears 106 on the side surface of the lifting plate 105 to move up and down along the first tooth groove 104 within the toothed plate 103, thus improving lifting efficiency. The lifting stability and smoothness of plate 105 can reduce labor intensity, while the self-locking universal wheel 102 can not only control the movement of the robot, but also ensure the robot is fixed for use. When performing welding operations at different angles, the transmission mechanism 205 is first started to rotate the first transmission gear 203, which in turn rotates the second transmission gear 204. The second transmission gear 204 is meshed inside the second tooth groove 202, which can control the rotation of the rotating seat 201. In conjunction with the transmission arm 206, welding arm 207 and welding head 208, welding operations at different angles can be performed, thereby enhancing the versatility of the robot.

[0029] Please see Figure 2 and Figure 3 The upper end of the base 101 is provided with several slots 111, and the lower ends of several toothed plates 103 are fixedly connected with blocks 112, which are engaged inside the slots 111.

[0030] In one specific embodiment, the locking block 112 is engaged inside the locking slot 111, thereby improving the ease of disassembly and replacement between the toothed plate 103 and the base 101.

[0031] Please see Figure 2 and Figure 3 The upper end of the base 101 is fixedly connected with several positioning rods 121, and the surface of the lifting plate 105 is provided with several positioning grooves 122, and the several positioning rods 121 are all engaged in the interior of the positioning grooves 122.

[0032] In one specific embodiment, the positioning rod 121 is engaged inside the positioning groove 122, which can play a positioning role when the lifting plate 105 is raised or lowered, thereby improving the lifting stability and convenience of the lifting plate 105.

[0033] Please see Figure 2 and Figure 3 The upper end of the lifting plate 105 is fixedly connected to a limit ring 131, and a bearing 132 is installed inside the limit ring 131. The rotating seat 201 is installed inside the bearing 132.

[0034] In one specific embodiment, the limiting ring 131 can improve the installation stability of the bearing 132, and the presence of the bearing 132 can improve the rotational connection stability of the rotating seat 201, thus improving the welding smoothness of the robot.

[0035] Please see Figure 2 and Figure 3 Several hinge blocks 141 are fixedly connected to the side surface of the lifting plate 105, and several lifting gears 106 are rotatably connected inside the hinge blocks 141.

[0036] In one specific embodiment, the hinge block 141 can improve the rotational connection stability of the lifting gear 106.

[0037] Please see Figure 4 and Figure 5 The upper end of the rotating seat 201 and one end of the welding arm 207 are both fixedly connected to the hinge seat 211, and both ends of the transmission arm 206 are connected to the rotating shaft 212, which is rotatably connected inside the hinge seat 211.

[0038] In one specific embodiment, the rotating shaft 212 is rotatably connected inside the hinge seat 211, thereby improving the ease of rotational connection between the hinge seat 211 and the transmission arm 206.

[0039] Please see Figure 4 and Figure 5 The transmission mechanism 205 includes a first bevel gear 2051 installed at the lower end of the first transmission gear 203, a first motor 2052 installed at the lower end of the rotating seat 201, a second bevel gear 2053 installed at the output end of the first motor 2052, and the second bevel gear 2053 and the first bevel gear 2051 meshing with each other.

[0040] In one specific embodiment, by starting the first motor 2052 to drive the second bevel gear 2053 to rotate, the first bevel gear 2051 can be driven to rotate, which in turn drives the first transmission gear 203 to rotate, so as to control the rotation of the rotating seat 201 to perform welding operations at different angles.

[0041] Please see Figure 4 and Figure 5 A second motor 221 is installed at one end of the rotating shaft 212.

[0042] In one specific embodiment, starting the second motor 221 can rotate the shaft 212, the transmission arm 206, and the welding arm 207, thereby improving the ease of welding.

[0043] Working principle: In use, by first controlling the rotating seat 201 and its lower lifting plate 105 to raise or lower, several lifting gears 106 on the side surface of the lifting plate 105 can be controlled to rise and fall along the first tooth groove 104 in the tooth plate 103, thereby improving the stability and smoothness of the lifting plate 105 and reducing labor intensity. At the same time, the self-locking universal wheel 102 can not only control the movement of the robot, but also ensure the robot is fixed for use. When performing welding operations at different angles, the transmission mechanism 205 is first started to rotate the first transmission gear 203, which in turn rotates the second transmission gear 204. The second transmission gear 204 is meshed inside the second tooth groove 202 to control the rotation of the rotating seat 201. With the help of the transmission arm 206, welding arm 207 and welding head 208, welding operations at different angles can be performed, thus significantly enhancing the versatility of the robot.

[0044] 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 process, method, article, or apparatus.

[0045] 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 robot for welding automotive parts, characterized in that, include: A movable lifting assembly (100) includes a base (101), a self-locking caster wheel (102) is detachably installed at the lower end of the base (101), and a plurality of toothed plates (103) are detachably installed at the upper end of the base (101). A first tooth groove (104) is provided on one side of each of the plurality of toothed plates (103). A lifting plate (105) is connected between the plurality of toothed plates (103). A plurality of lifting gears (106) are rotatably connected to the side surface of the lifting plate (105). The plurality of lifting gears (106) are all meshed with the inside of the first tooth groove (104). The welding assembly (200) includes a rotating seat (201) mounted on the upper end of the lifting plate (105). The lower end of the rotating seat (201) is provided with a second tooth groove (202). The interior of the second tooth groove (202) is rotatably connected to a first transmission gear (203) and a second transmission gear (204). The first transmission gear (203) and the second transmission gear (204) are meshed together. The lower end of the first transmission gear (203) is equipped with a transmission mechanism (205). The upper end of the rotating seat (201) is rotatably connected to a transmission arm (206). The upper end of the transmission arm (206) is rotatably connected to a welding arm (207). The front end of the welding arm (207) is provided with a welding head (208).

2. The robot for welding automotive parts according to claim 1, characterized in that: The upper end of the base (101) is provided with several slots (111), and the lower ends of several toothed plates (103) are fixedly connected with a block (112), which is engaged inside the slot (111).

3. The robot for welding automotive parts according to claim 1, characterized in that: The upper end of the base (101) is fixedly connected with several positioning rods (121), and the surface of the lifting plate (105) is provided with several positioning grooves (122), and several positioning rods (121) are engaged inside the positioning grooves (122).

4. The robot for welding automotive parts according to claim 1, characterized in that: The upper end of the lifting plate (105) is fixedly connected to a limiting ring (131), and a bearing (132) is installed inside the limiting ring (131). The rotating seat (201) is installed inside the bearing (132).

5. The robot for welding automotive parts according to claim 1, characterized in that: The side surface of the lifting plate (105) is fixedly connected with several hinge blocks (141), and several lifting gears (106) are rotatably connected inside the hinge blocks (141).

6. The robot for welding automotive parts according to claim 1, characterized in that: The upper end of the rotating seat (201) and one end of the welding arm (207) are both fixedly connected to the hinge seat (211), and both ends of the transmission arm (206) are connected to the rotating shaft (212), which is rotatably connected inside the hinge seat (211).

7. The robot for welding automotive parts according to claim 1, characterized in that: The transmission mechanism (205) includes a first bevel gear (2051) installed at the lower end of the first transmission gear (203), a first motor (2052) installed at the lower end of the rotating seat (201), a second bevel gear (2053) installed at the output end of the first motor (2052), and the second bevel gear (2053) and the first bevel gear (2051) meshing with each other.

8. The robot for welding automotive parts according to claim 6, characterized in that: A second motor (221) is installed at one end of the rotating shaft (212).