Robot welding equipment on production line
By introducing positioning plates, tracks, and current detection sensors into robotic welding equipment, the problems of equipment mobility and unstable welding quality have been solved, enabling stable welding and efficient production in complex environments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-24
AI Technical Summary
Existing robotic welding equipment is not easy to move, is easily limited by the length of the weld, and the welding quality is affected by the robot's movement and external vibrations.
The equipment utilizes a combination design of a positioning plate at the bottom of the base, tracks, servo motors, and current sensors to achieve stable movement and real-time parameter monitoring.
It improves the mobility of equipment in complex environments and the stability of welding quality, adapts to different weld shapes, reduces welding defects, and improves production efficiency and welding accuracy.
Smart Images

Figure CN224026685U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automated welding technology, and more specifically, it relates to a robotic welding device for a production line. Background Technology
[0002] A robotic welding device for production lines is a welding device that integrates automation and intelligence. It mainly consists of a robot body, a control system, a welding power source, and welding tools. Robotic welding equipment is widely used in many industrial fields such as automobile manufacturing, aerospace, electronics, and machinery manufacturing. For example, in automobile manufacturing, it is used for spot welding and arc welding of the car body to achieve efficient and precise connection of car body parts. However, the commonly used robotic welding equipment is inconvenient to move and is easily limited by the length of the weld. Therefore, a new type of robotic welding equipment is needed. Utility Model Content
[0003] To address the aforementioned technical problems, this utility model provides a robotic welding device for production lines, which solves the problems of existing robotic welding devices being inconvenient to move and easily limited by weld length.
[0004] This utility model discloses a robotic welding device for a production line, achieved through the following specific technical means:
[0005] A robotic welding device for a production line includes a base, a connecting box, and a connecting pipe;
[0006] A positioning plate is movably mounted on the lower outer side of the base. A servo motor A is installed inside the upper end of the base. The motor shaft of servo motor A extends out of the upper end of the base, and a rotating disk is fixedly connected to the motor shaft of servo motor A. The connecting box is placed on the upper end of the rotating disk, and the top surface of the rotating disk is fixedly connected to the bottom surface of the connecting box. The connecting box has a groove, and a movable rod one is mounted in the groove. A servo motor D is installed inside the rear end of the connecting tube. The motor shaft of servo motor D extends out of the connecting tube, and a movable rod two is fixedly connected to the motor shaft of servo motor D. The rear end of movable rod two is close to the upper end of movable rod one.
[0007] Furthermore, two sets of symmetrical tracks are installed at the lower end of the base, and a set of motors are installed inside the lower end of the base, with the two sets of symmetrical tracks driven by the motors.
[0008] Furthermore, a servo motor B is installed inside the connecting box. A bearing is fitted on the motor shaft of the servo motor B, and the motor shaft of the servo motor B is fixedly connected to the movable rod.
[0009] Furthermore, the rear end of the second movable rod is provided with a positioning hole, and a motor box is fixedly connected in the positioning hole at the rear end of the second movable rod. A servo motor C is installed inside the motor box, the motor shaft of the servo motor C passes through the motor box, and the motor shaft of the servo motor C is fixedly connected to the first movable rod.
[0010] Furthermore, a servo motor E is installed inside the front end of the connecting pipe. The motor shaft of the servo motor E extends out of the front end of the connecting pipe, and a rotating plate is fixedly connected to the motor shaft of the servo motor E. A welding torch is provided on the rotating plate, and a current detection sensor is connected to the rotating plate. The current detection sensor is electrically connected to the welding torch.
[0011] Furthermore, the base is connected to two fixed plates on both sides. The fixed plates have two sets of round holes, and positioning rods are installed in the round holes. The lower end of the positioning rod is fixedly connected to the positioning plate, and the top end is provided with a limiting round plate. A return spring is fitted on the positioning rod. The upper side of the return spring is fixedly connected to the bottom surface of the fixed plate, and the lower side of the return spring is fixedly connected to the top surface of the positioning plate. A set of electric cylinders is fixed in the middle of the top of the fixed plate, and the extension rods of the electric cylinders pass downward through the positioning plate and are connected to baffles. The baffles are placed in the grooves at the bottom of the positioning plate.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] 1. By setting a positioning plate, this utility model facilitates the fixed connection of the positioning plate to the lower outer side of the base, which helps to stabilize the equipment during welding, reduces the impact of robot movement or external vibration on welding quality, and makes the welding process more stable.
[0014] 2. By setting up tracks, with two sets of tracks installed at the lower end of the base, this utility model enables the welding robot to move stably in complex factory environments and adapt to different work scenarios, especially in areas with limited space or uneven ground, facilitating relocation between workstations and improving production efficiency.
[0015] 3. By setting up a current detection sensor, which is electrically connected to the welding torch, this utility model can facilitate the real-time sensing of relevant parameters during the welding process, such as current, voltage, and arc status. Based on this real-time data, welding parameters can be adjusted in a timely manner to adapt to different welding conditions, ensure the stability of welding quality, and reduce welding defects. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model.
[0017] Figure 2 This is a cross-sectional structural diagram of the base of this utility model.
[0018] Figure 3 This is a utility model Figure 2 A schematic diagram of the tilting structure.
[0019] Figure 4 This is a cross-sectional structural diagram of the connecting box of this utility model.
[0020] Figure 5 This is a cross-sectional structural diagram of the motor housing and connecting pipe of this utility model.
[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0022] 1. Base; 2. Positioning plate; 3. Connecting box; 4. Movable rod one; 5. Movable rod two; 6. Motor box; 7. Connecting pipe; 8. Rotating disk; 9. Servo motor A; 10. Track; 11. Motor; 12. Servo motor B; 13. Rotating plate; 14. Servo motor C; 16. Servo motor D; 17. Servo motor E; 18. Welding torch; 19. Current detection sensor; 20. Fixing plate; 21. Positioning rod; 22. Return spring; 23. Electric cylinder; 24. Baffle. Detailed Implementation
[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0024] Example:
[0025] As attached Figure 1 To be continued Figure 5 As shown:
[0026] This utility model provides a robotic welding equipment for a production line, including a base 1, a connecting box 3, and a connecting pipe 7;
[0027] A positioning plate 2 is movably mounted on the lower outer side of the base 1. A servo motor A9 is installed inside the upper end of the base 1. The motor shaft of the servo motor A9 extends out of the upper end of the base 1, and a rotating disk 8 is fixedly connected to the motor shaft of the servo motor A9. A connecting box 3 is placed on the upper end of the rotating disk 8, and the top surface of the rotating disk 8 is fixedly connected to the bottom surface of the connecting box 3. The connecting box 3 has a groove, and a movable rod 4 is mounted in the groove. A servo motor D16 is installed inside the rear end of the connecting tube 7. The motor shaft of the servo motor D16 extends out of the connecting tube 7, and a movable rod 5 is fixedly connected to the motor shaft of the servo motor D16. The rear end of the movable rod 5 is close to the upper end of the movable rod 4.
[0028] Among them, such as Figure 2As shown, two sets of symmetrical tracks 10 are installed at the lower end of the base 1. A set of motors 11 is installed inside the lower end of the base 1, and the two sets of symmetrical tracks 10 are driven by a set of motors 11. The tracks 10 enable the welding robot to move stably in complex factory environments and adapt to different working scenarios. Especially in areas with limited space or uneven ground, it has better passability than wheeled structures, making it easier to move between workstations, improving production efficiency, and facilitating the linear movement of equipment and welding longer welds.
[0029] Among them, such as Figure 3 and Figure 4 As shown, a servo motor B12 is installed inside the connecting box 3. A bearing is fitted on the motor shaft of the servo motor B12, and the motor shaft of the servo motor B12 is fixedly connected to the movable rod 4. The rear end of the movable rod 5 is provided with a positioning hole, and a motor box 6 is fixedly connected in the positioning hole at the rear end of the movable rod 5. A servo motor C14 is installed inside the motor box 6. The motor shaft of the servo motor C14 extends out of the motor box 6, and the motor shaft of the servo motor C14 is fixedly connected to the movable rod 4. Through the cooperation of the servo motors A9, B12, and C14, complex welding actions and trajectory planning can be realized, which is conducive to the precise control of the movement of the movable rod 4, the movable rod 5, and the rotating plate 8, so that the welding torch 18 can weld according to the preset path, adapt to welds of various shapes and complexities, and improve the versatility and adaptability of the equipment.
[0030] Among them, such as Figure 4 As shown, a servo motor E17 is installed inside the front end of the connecting pipe 7. The motor shaft of the servo motor E17 extends out of the front end of the connecting pipe 7, and a rotating plate 13 is fixedly connected to the motor shaft of the servo motor E17. A welding torch 18 is provided on the rotating plate 13, and a current detection sensor 19 is connected to the rotating plate 13. The current detection sensor 19 is electrically connected to the welding torch 18. Through the electrical connection between the current detection sensor 19 and the welding torch 18, relevant parameters during the welding process, such as current, voltage, and arc status, can be sensed in real time. Based on this real-time data, welding parameters can be adjusted in a timely manner to adapt to different welding conditions, ensure the stability of welding quality, and reduce welding defects.
[0031] Among them, such as Figure 2As shown, the base 1 has two fixed plates 20 connected to its two sides. The fixed plates 20 have two sets of round holes, and positioning rods 21 are installed in the round holes. The lower end of the positioning rods 21 is fixedly connected to the positioning plate 2, and the top end is provided with a limiting round plate. A return spring 22 is fitted on the positioning rods 21. The upper side of the return spring 22 is fixedly connected to the bottom surface of the fixed plate 20, and the lower side of the return spring 22 is fixedly connected to the top surface of the positioning plate 2. A set of electric cylinders 23 are fixedly fixed in the middle of the top of the fixed plate 20. The telescopic rods of the electric cylinders 23 pass downward through the positioning plate 2 and are connected to baffles 24. The baffles 24 are placed in the grooves at the bottom of the positioning plate 2. The positioning plates 2 are fixed with bolts through the positioning holes on the positioning plate 2, which facilitates the fixing of this utility model and improves the stability of welding. When the positioning plate 2 is not in use, the return spring 22 drives the positioning plate 2 to rise, preventing the positioning plate 2 from rubbing against the ground during the movement.
[0032] The specific usage and function of this embodiment are as follows:
[0033] like Figures 1 to 4 As shown, in this utility model, the positioning plate 2 helps stabilize the equipment during welding, reducing the impact of robot movement or external vibration on welding quality, making the welding process smoother and improving welding accuracy. Through the cooperation of servo motors A9, B12 and C14, complex welding actions and trajectory planning can be realized, which is conducive to precise control of the movement of movable rod 1 4, movable rod 2 5 and rotating plate 8, so that the welding torch 18 can weld according to the preset path, adapting to welds of various shapes and complexities, improving the versatility and adaptability of the equipment. By using the current detection sensor 19 electrically connected to the welding torch 18, relevant parameters during the welding process, such as current, voltage, and arc status, can be sensed in real time.
[0034] Any aspects of this utility model not described in detail are well-known technologies to those skilled in the art.
Claims
1. A robotic welding device for a production line, characterized in that: Includes a base (1), a connecting box (3), and a connecting pipe (7); A positioning plate (2) is movably mounted on the lower outer side of the base (1). A servo motor A (9) is installed inside the upper end of the base (1). The motor shaft of the servo motor A (9) passes through the upper end of the base (1) and a rotating disk (8) is fixedly connected to the motor shaft of the servo motor A (9). The connecting box (3) is placed on the upper end of the rotating disk (8), and the top surface of the rotating disk (8) is fixedly connected to the bottom surface of the connecting box (3). The connecting box (3) is provided with a groove, and a movable rod one (4) is mounted in the groove. A servo motor D (16) is installed inside the rear end of the connecting pipe (7). The motor shaft of the servo motor D (16) passes through the connecting pipe (7). A movable rod two (5) is fixedly connected to the motor shaft of the servo motor D (16). The rear end of the movable rod two (5) is close to the upper end of the movable rod one (4).
2. The robotic welding equipment on a production line as described in claim 1, characterized in that: The lower end of the base (1) is equipped with two sets of symmetrical tracks (10), and a set of motors (11) is installed inside the lower end of the base (1), and the two sets of symmetrical tracks (10) are driven by a set of motors (11).
3. The robotic welding equipment on a production line as described in claim 1, characterized in that: The connecting box (3) is equipped with a servo motor B (12). The motor shaft of the servo motor B (12) is fitted with a bearing, and the motor shaft of the servo motor B (12) is fixedly connected to the movable rod (4).
4. The robotic welding equipment on a production line as described in claim 1, characterized in that: The rear end of the second movable rod (5) is provided with a positioning hole, and a motor box (6) is fixedly connected in the positioning hole at the rear end of the second movable rod (5). A servo motor C (14) is installed inside the motor box (6). The motor shaft of the servo motor C (14) passes through the motor box (6), and the motor shaft of the servo motor C (14) is fixedly connected to the first movable rod (4).
5. The robotic welding equipment on a production line as described in claim 1, characterized in that: A servo motor E (17) is installed inside the front end of the connecting pipe (7). The motor shaft of the servo motor E (17) passes through the front end of the connecting pipe (7), and a rotating plate (13) is fixedly connected to the motor shaft of the servo motor E (17). A welding torch (18) is provided on the rotating plate (13), and a current detection sensor (19) is connected to the rotating plate (13). The current detection sensor (19) is electrically connected to the welding torch (18).
6. The robotic welding equipment on a production line as described in claim 1, characterized in that: The base (1) is connected to two fixed plates (20) on both sides. The fixed plates (20) have two sets of round holes and a positioning rod (21) is installed in the round holes. The lower end of the positioning rod (21) is fixedly connected to the positioning plate (2). A reset spring (22) is fitted on the positioning rod (21). A limiting round plate is provided at the top. The upper side of the reset spring (22) is fixedly connected to the bottom surface of the fixed plate (20). The lower side of the reset spring (22) is fixedly connected to the top surface of the positioning plate (2). A set of electric cylinders (23) is fixedly fixed in the middle of the top of the fixed plate (20). The telescopic rods of the electric cylinders (23) pass down through the positioning plate (2) and are connected to baffles (24). The baffles (24) are placed in the grooves at the bottom of the positioning plate (2).