A welding apparatus for a double gold moving contact

Abstract

The utility model relates to double gold movable contact processing technical field, and disclose a kind of welding equipment of double gold movable contact, including work platform, rotating contact clamping positioning part, machine arm material taking blanking part, the bottom outer wall of work platform is fixedly installed with support fixed leg symmetrically. The utility model can accurately adjust the spacing between clamping rubber board one and clamping rubber board two according to the size of double gold movable contact by the cooperation of rotating contact clamping positioning part, positioning sleeve and positioning guide rod, realize the positioning of different specifications contacts, this positioning makes that the position error of welding head is extremely small when welding, effectively avoid the problems such as virtual welding, missed welding caused by contact offset, ensure the stability and reliability of welding quality, the design of rotating limiting groove and rotating through hole guarantees the stability when rotating shaft rod drives rotating clamping platform to rotate, further provides stable welding object for welding head, improves welding precision.

Description

Technical Field

[0001] This utility model relates to the field of double-metal moving contact processing technology, specifically to a welding device for double-metal moving contacts. Background Technology

[0002] In the field of electrical equipment manufacturing, bimetallic moving contacts are key components, and their welding quality directly affects the conductivity and service life of the equipment. Currently, most traditional bimetallic moving contact welding equipment adopts manual or semi-automatic operation methods. When welding manually, operators need to manually clamp the silver point and place the welding material, which is not only inefficient, but also makes it difficult to ensure the consistency of welding position and welding parameters each time, resulting in inconsistent welding quality and a high scrap rate.

[0003] Although some semi-automatic welding equipment is equipped with simple positioning devices, these devices are often fixed in structure and can only be adapted to specific specifications of contacts. When it is necessary to weld contacts of different sizes or shapes, it is difficult to adjust quickly and has poor versatility. As the electrical equipment manufacturing industry continues to increase its requirements for production efficiency and product quality, the existing bimetallic contact welding equipment can hardly meet the actual production needs. There is an urgent need for a new type of welding equipment that can achieve positioning, efficient automated welding, and adapt to diversified product needs. Utility Model Content

[0004] The purpose of this invention is to provide a welding device for dual-metal moving contacts, which solves the technical problems of low contact positioning accuracy and difficulty in adapting to welding requirements of different specifications of contacts in traditional welding equipment, thereby achieving the goal of improving welding accuracy and enhancing the versatility of the equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding device for dual metal moving contacts, comprising a working platform, a rotating contact clamping and positioning part, and a robotic arm picking and unloading part. Supporting legs are symmetrically fixedly installed on the bottom outer wall of the working platform, and supporting pads are fixedly installed on the bottom outer wall of each supporting leg. The rotating contact clamping and positioning part is respectively located at the top and bottom of the working platform; the robotic arm picking and unloading part is respectively located at the top and both sides of the working platform.

[0006] Preferably, the rotating contact clamping and positioning part specifically includes: a motor fixing mounting bracket, which is fixedly installed on the bottom outer wall of the working platform; a drive motor, which is set on the bottom outer wall of the working platform; and a rotation limiting groove, which is formed on the top outer wall of the working platform.

[0007] A drive motor is installed, which rotates the clamping platform, allowing multiple contacts to be switched sequentially between different stations, enabling continuous loading, welding, and unloading operations. For example, while one contact is being welded, other contacts can be loaded or unloaded simultaneously, avoiding the waiting time of traditional single-station welding equipment and greatly improving overall welding efficiency.

[0008] Preferably, the drive motor is fixedly installed inside the motor mounting bracket, and the output end of the drive motor is fixedly connected to a rotating shaft. A rotating opening is provided at the bottom of the inner wall of the rotating limiting groove, and the other end of the rotating shaft extends into the interior of the rotating limiting groove through the rotating opening.

[0009] Preferably, a rotating clamping platform is fixedly installed at the other end of the rotating shaft, the rotating clamping platform is rotatably installed on the inner wall of the rotating limiting groove, and clamping fixing frames are fixedly installed at equal intervals around the top outer wall of the rotating clamping platform.

[0010] Preferably, positioning sleeves are fixedly installed on both outer walls of the clamping and fixing frame, and an electric telescopic rod fixing plate is fixedly installed on one outer wall of the clamping and fixing frame. Clamping rubber plate one and clamping rubber plate two are respectively provided inside the clamping and fixing frame. Positioning guide rods are fixedly installed on one outer wall of clamping rubber plate one and clamping rubber plate two. The other end of the positioning guide rods respectively movably penetrates the inner wall of the clamping and fixing frame and extends to the outer wall of the clamping and fixing frame through the positioning sleeves. A limit plate is fixedly installed on the other end of the positioning guide rods.

[0011] Two clamping rubber plates are provided. These plates, along with a positioning guide rod and an electric telescopic rod, enable the positioning of the bimetallic moving contact. The electric telescopic rod can adjust the distance between the two rubber plates according to the contact size, while the positioning guide rod ensures that the rubber plates maintain a straight line during movement, preventing deviation. This ensures the contact is stably clamped in the accurate position, providing a reliable foundation for subsequent welding processes and effectively reducing welding defects caused by positioning deviations. The rubber material has good elasticity and flexibility, effectively preventing scratches, indentations, and other damage to the surface of the bimetallic moving contact during clamping, compared to metal clamping components. Under the synergistic action of the spring and rubber plates, the clamping force ensures the contact remains stable and does not slip, while preventing excessive pressure from damaging the contact's surface structure and performance. This is particularly suitable for welding bimetallic contacts with high surface quality requirements, helping to improve product yield.

[0012] Preferably, a connecting rod is fixedly installed on one outer wall of the first clamping rubber plate. The other end of the connecting rod movably penetrates the inner wall of the clamping frame and extends to the outer wall of the clamping frame. A circular plate is fixedly installed on the other end of the connecting rod. A spring is movably sleeved on the outer wall of the connecting rod. The other end of the spring is fixedly connected to the outer wall of the clamping frame and the other end of the spring is fixedly connected to the outer wall of the circular plate. An electric telescopic rod is fixedly installed inside the electric telescopic rod fixing plate. The telescopic end of the electric telescopic rod movably penetrates the outer wall of the clamping frame and extends to the interior of the clamping frame. The telescopic end of the electric telescopic rod is fixedly connected to the outer wall of the second clamping rubber plate.

[0013] Preferably, the material handling and unloading section of the robotic arm specifically includes: a mounting positioning plate, which is fixedly installed circumferentially on the top outer wall of the work platform; an loading conveyor, which is fixedly installed on the outer wall of the work platform; and an unloading conveyor, which is fixedly installed on the other outer wall of the work platform.

[0014] Preferably, a robotic arm is provided on the top of the mounting positioning plate, and a feeding gripper, a welding head, and a discharging gripper are respectively fixedly installed on one end of the robotic arm. A feeding conveyor belt is provided inside the feeding conveyor frame, and a silver point to be welded is provided on the top of the feeding conveyor belt. A discharging conveyor belt is provided inside the discharging conveyor frame, and a post-processing contact is provided on the top of the discharging conveyor belt.

[0015] The system is equipped with a loading gripper, a welding head, and an unloading gripper. These grippers work closely with the robotic arm, the loading conveyor, and the unloading conveyor. The robotic arm, through motion control, drives the loading gripper to pick up the silver point to be welded from the conveyor belt of the loading conveyor and place it on the contact to be processed on the clamping and fixing frame of the rotating contact clamping and positioning part. After welding is completed, the unloading gripper then transfers the processed contact to the conveyor belt of the unloading conveyor.

[0016] This invention provides a welding device for a double-metal moving contact. It has the following advantages:

[0017] (1) This utility model, through the cooperation of the rotating contact clamping and positioning part with the electric telescopic rod, positioning sleeve and positioning guide rod, can accurately adjust the distance between the clamping rubber plate one and the clamping rubber plate two according to the size of the double metal moving contact, so as to realize the positioning of contacts of different specifications. This positioning makes the welding point position error extremely small during welding, effectively avoiding problems such as false welding and missing welding caused by contact offset, and ensuring the stability and reliability of welding quality. At the same time, the design of the rotating limit groove and the rotating passage ensures the stability of the rotating shaft driving the rotating clamping platform to rotate, further providing a stable welding object for the welding head and improving the welding accuracy.

[0018] (2) This utility model utilizes the rapid and flexible movement characteristics of the robotic arm to complete the picking, loading and unloading actions in a very short time. The picking and unloading part of the robotic arm significantly shortens the time of each production cycle. In addition, the robotic arm can carry multiple functional components (such as loading gripper, welding head, unloading gripper) at the same time, and can quickly switch between different workstations to realize continuous operation of picking, welding and unloading. With the multi-workstation design of the rotating contact gripping and positioning part, multiple contacts can be processed at the same time, which greatly improves the overall production efficiency of the equipment and meets the capacity requirements of large-scale production. Attached Figure Description

[0019] Figure 1 This is a frontal perspective view of the overall structure of this utility model;

[0020] Figure 2 This is a partial view of the rotating contact clamping and positioning part of this utility model;

[0021] Figure 3 This is a partial view of the clamping and fixing frame of this utility model;

[0022] Figure 4 This is a partial view of the material handling and unloading section of the robotic arm of this utility model.

[0023] In the diagram: 1. Working platform; 2. Supporting fixed leg; 3. Rotating contact clamping and positioning part; 311. Motor fixing mounting bracket; 312. Rotating limit groove; 313. Rotating through port; 314. Rotating clamping platform; 315. Drive motor; 316. Rotating shaft; 317. Clamping fixing frame; 318. Positioning sleeve; 319. Positioning guide rod; 3111. Limiting plate; 3112. Clamping rubber plate one; 3113. Connecting rod; 3114. Spring; 3115. Clamping rubber plate two; 3116. Electric telescopic rod fixing plate; 3117. Electric telescopic rod; 4. Robot arm material handling and unloading part; 411. Mounting positioning plate; 412. Loading conveyor frame; 413. Unloading conveyor frame; 414. Loading conveyor belt; 415. Silver point to be welded; 416. Unloading conveyor belt; 417. Processed contact; 418. Robot arm; 419. Loading clamping pneumatic gripper; 4111. Unloading clamping pneumatic gripper; 4112. Welding head. Detailed Implementation

[0024] 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.

[0025] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0026] Example 1:

[0027] Addressing the problems of low contact positioning accuracy and difficulty in adapting to welding requirements of different contact specifications in existing traditional welding equipment, this utility model provides a preferred embodiment of a welding device for dual-metal moving contacts, for example... Figures 1-4 As shown: A welding device for dual metal moving contacts includes a working platform 1, a rotating contact clamping and positioning part 3, and a robotic arm picking and unloading part 4. Supporting and fixing legs 2 are symmetrically fixedly installed on the bottom outer wall of the working platform 1, and supporting pads are fixedly installed on the bottom outer wall of the supporting and fixing legs 2. The rotating contact clamping and positioning part 3 is respectively set at the top and bottom of the working platform 1. The robotic arm picking and unloading part 4 is respectively set at the top and the two outer walls of the working platform 1.

[0028] The rotating contact clamping and positioning part 3 specifically includes: a motor fixing mounting bracket 311, which is fixedly installed on the bottom outer wall of the working platform 1; a drive motor 315, which is set on the bottom outer wall of the working platform 1; and a rotation limiting groove 312, which is opened on the top outer wall of the working platform 1.

[0029] The drive motor 315 is fixedly installed inside the motor mounting bracket 311. The output end of the drive motor 315 is fixedly connected to the rotating shaft 316. The bottom of the inner wall of the rotation limiting groove 312 is provided with a rotation opening 313. The other end of the rotating shaft 316 extends into the interior of the rotation limiting groove 312 through the rotation opening 313.

[0030] A rotating clamping platform 314 is fixedly installed at the other end of the rotating shaft 316. The rotating clamping platform 314 is rotatably installed on the inner wall of the rotating limiting groove 312. A clamping fixing frame 317 is fixedly installed at equal intervals around the top outer wall of the rotating clamping platform 314.

[0031] Positioning sleeves 318 are fixedly installed on both outer walls of the clamping and fixing frame 317. An electric telescopic rod fixing plate 3116 is fixedly installed on one outer wall of the clamping and fixing frame 317. Clamping rubber plate one 3112 and clamping rubber plate two 3115 are respectively provided inside the clamping and fixing frame 317. Positioning guide rods 319 are fixedly installed on one outer wall of clamping rubber plate one 3112 and clamping rubber plate two 3115. The other end of the positioning guide rod 319 movably passes through the inner wall of the clamping and fixing frame 317 and extends to the outer wall of the clamping and fixing frame 317 through the positioning sleeves 318. A limit plate 3111 is fixedly installed on the other end of the positioning guide rod 319.

[0032] A connecting rod 3113 is fixedly installed on one outer wall of the clamping rubber plate 3112. The other end of the connecting rod 3113 movably passes through the inner wall of the clamping frame 317 and extends to the outer wall of the clamping frame 317. A circular plate is fixedly installed on the other end of the connecting rod 3113. A spring 3114 is movably sleeved on the outer wall of the connecting rod 3113. The other end of the spring 3114 is fixedly connected to the outer wall of the clamping frame 317 and the outer wall of the circular plate. An electric telescopic rod 3117 is fixedly installed inside the electric telescopic rod fixing plate 3116. The telescopic end of the electric telescopic rod 3117 movably passes through the outer wall of the clamping frame 317 and extends to the inside of the clamping frame 317. The telescopic end of the electric telescopic rod 3117 is fixedly connected to the outer wall of the clamping rubber plate 3115.

[0033] In this embodiment, the contact to be processed is placed inside the clamping fixing frame 317 of the rotating clamping platform 314 of the rotating contact clamping and positioning part 3. The electric telescopic rod 3117 is activated, pushing the second clamping rubber plate 3115 to move towards the first clamping rubber plate 3112. With the elastic action of the spring 3114, the contact to be processed is firmly clamped between the two. The positioning guide rod 319 slides in the positioning sleeve 318 to ensure accurate contact position during clamping, realizing the positioning of contacts of different specifications. This positioning makes the weld point position error extremely small during welding, effectively avoiding problems such as false welding and missed welding caused by contact offset, ensuring the stability and reliability of welding quality. At the same time, the design of the rotating limit groove and the rotating through port ensures the stability of the rotating clamping platform when the rotating shaft drives it to rotate, further providing a stable welding object for the welding head and improving welding accuracy.

[0034] Example 2:

[0035] Please see Figures 1-4 Furthermore, based on Embodiment 1, the following is obtained: the robotic arm material handling and unloading section 4 specifically includes: a mounting positioning plate 411, which is circumferentially and equidistantly fixedly installed on the top outer wall of the work platform 1; a feeding conveyor 412, which is fixedly installed on the outer wall of the work platform 1; and an unloading conveyor 413, which is fixedly installed on the other outer wall of the work platform 1.

[0036] A robotic arm 418 is installed on the top of the mounting positioning plate 411. One end of the robotic arm 418 is fixedly installed with a loading gripper 419, a welding head 4112, and a unloading gripper 4111. The loading conveyor frame 412 is equipped with a loading conveyor belt 414. The top of the loading conveyor belt 414 is equipped with a silver spot 415 to be welded. The unloading conveyor frame 413 is equipped with an unloading conveyor belt 416. The top of the unloading conveyor belt 416 is equipped with a post-processing contact 417.

[0037] In this embodiment, the feeding conveyor belt 414 is started to transport the silver point 415 to be welded to the designated picking position. The robotic arm 418, according to a preset program, drives the feeding gripper 419 installed at one end to move to directly above the silver point 415 above the feeding conveyor belt 414. Through the motion control of the robotic arm 418, the feeding gripper 419 is accurately aligned with the silver point. The internal pneumatic device of the feeding gripper 419 is activated, the gripper closes, and it holds the silver point 415 to be welded. The robotic arm 418 then moves the feeding gripper 419 and the grasped silver point 415 along a predetermined trajectory above the rotating gripping platform 314. At the clamping and fixing frame 317 where the contact to be processed is already clamped, the robotic arm 418 adjusts its height and angle according to the position of the clamping and fixing frame 317, so that the silver point 415 to be welded is accurately aligned with the welding part of the contact to be processed. The loading and clamping gripper 419 opens and places the silver point 415 to be welded stably on the contact to be processed. After the robotic arm 418 completes the operation, it returns to the initial position and waits for the next material picking command, realizing continuous operation of material picking, welding and unloading. With the multi-station design of the rotating contact clamping and positioning part, multiple contacts can be processed at the same time, which greatly improves the overall production efficiency of the equipment and meets the capacity requirements of large-scale production.

[0038] Working principle: When using:

[0039] Step 1: Adjust the support pad at the bottom of the support and fixing leg 2 to a suitable height to ensure that the working platform 1 is in a horizontal and stable state, so as to avoid the welding accuracy being affected by the shaking of the equipment during the subsequent welding process;

[0040] Step 2: Place the contact to be processed inside the clamping fixing frame 317 of the rotating clamping platform 314 of the rotating contact clamping and positioning part 3. The electric telescopic rod 3117 is activated, pushing the second clamping rubber plate 3115 to move towards the first clamping rubber plate 3112. With the elastic action of the spring 3114, the contact to be processed is firmly clamped between the two. The positioning guide rod 319 slides in the positioning sleeve 318 to ensure the accurate position of the contact during the clamping process.

[0041] Step 3: The drive motor 315 starts, and its output rotating shaft 316 drives the rotating clamping platform 314 to rotate within the rotating limit groove 312 through the rotating port 313. This rotates the clamping and fixing frame 317, which carries the contact to be processed, to a suitable angle and position. The feeding conveyor belt 414 is started, transporting the silver point 415 to be welded to the designated picking position. The robotic arm 418, according to a preset program, drives the feeding clamping gripper 419 installed at one end to move to directly above the silver point 415 to be welded above the feeding conveyor belt 414. Through the motion control of the robotic arm 418, the feeding clamping gripper 419 is accurately aligned with the silver point. 9. The internal pneumatic device is activated, the gripper closes, and holds the silver point 415 to be welded. The robotic arm 418 drives the loading gripper 419 and the gripped silver point 415 to move along the predetermined trajectory to the clamping fixing frame 317 above the rotating clamping platform 314, which has already clamped the contact to be processed. The robotic arm 418 adjusts its height and angle according to the position of the clamping fixing frame 317 so that the silver point 415 to be welded is accurately aligned with the welding part of the contact to be processed. The loading gripper 419 opens and places the silver point 415 to be welded stably on the contact to be processed. After the robotic arm 418 completes the operation, it returns to the initial position and waits for the next material picking instruction.

[0042] Step 4: The drive motor 315 starts again, driving the rotating clamping platform 314 to rotate, and rotating the clamping and fixing frame 317, which is loaded with the silver point to be welded and the contact to be processed, to the welding station. The robotic arm 418 moves to the welding station, drives the welding head 4112 installed at one end to align with the part of the double metal moving contact to be welded, and controls the welding head 4112 to perform welding operation on the contact to complete the welding process.

[0043] Step 5: After welding is completed, the drive motor 315 starts again, driving the rotating clamping platform 314 to rotate, rotating the clamping and fixing frame 317 where the welded contact is located to the unloading position. The robotic arm 418 drives the unloading clamping gripper 4111 to move to the position of the welded contact above the rotating clamping platform 314. By adjusting the position, the unloading clamping gripper 4111 is aligned with the contact, and the unloading clamping gripper 4111 closes, clamping the processed contact 417 and removing it from the machine. The clamping and fixing frame 317 is removed. At this time, the electric telescopic rod 3117 retracts, the clamping rubber plate 3115 is reset, and the clamping of the contact is released. The robotic arm 418 drives the unloading clamping pneumatic claw 4111 and the processed contact 417 it holds to move along the predetermined trajectory to the unloading conveyor belt 416 inside the unloading conveyor frame 413. After precise adjustment of the position, the unloading clamping pneumatic claw 4111 opens and accurately places the processed contact 417 on the unloading conveyor belt 416.

[0044] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A welding device for dual metal moving contacts, comprising a working platform (1), a rotating contact clamping and positioning part (3), and a robotic arm material handling and unloading part (4), characterized in that: The bottom outer wall of the working platform (1) is symmetrically fixed with supporting legs (2), and the bottom outer wall of the supporting legs (2) is fixed with supporting pads; the rotating contact clamping and positioning parts (3) are respectively set at the top and bottom of the working platform (1); the robotic arm picking and unloading parts (4) are respectively set at the top and the two outer walls of the working platform (1).

2. The welding equipment for a double-metal moving contact according to claim 1, characterized in that: The rotating contact clamping and positioning part (3) specifically includes: The motor mounting bracket (311) is fixedly installed on the bottom outer wall of the work platform (1); The drive motor (315) is located on the bottom outer wall of the working platform (1); Rotation limit groove (312) is opened on the top outer wall of the work platform (1).

3. The welding equipment for a double-metal moving contact according to claim 2, characterized in that: The drive motor (315) is fixedly installed inside the motor mounting bracket (311). The output end of the drive motor (315) is fixedly connected to a rotating shaft (316). A rotating opening (313) is provided at the bottom of the inner wall of the rotating limiting groove (312). The other end of the rotating shaft (316) extends into the interior of the rotating limiting groove (312) through the rotating opening (313).

4. The welding equipment for a double-metal moving contact according to claim 3, characterized in that: The other end of the rotating shaft (316) is fixedly installed with a rotating clamping platform (314), which is rotatably installed on the inner wall of the rotating limiting groove (312). The top outer wall of the rotating clamping platform (314) is fixedly installed with clamping fixing frames (317) at equal intervals.

5. The welding equipment for a double-metal moving contact according to claim 4, characterized in that: Positioning sleeves (318) are fixedly installed on both outer walls of the clamping and fixing frame (317). An electric telescopic rod fixing plate (3116) is fixedly installed on one outer wall of the clamping and fixing frame (317). Clamping rubber plate one (3112) and clamping rubber plate two (3115) are respectively provided inside the clamping and fixing frame (317). Positioning guide rods (319) are fixedly installed on one outer wall of clamping rubber plate one (3112) and clamping rubber plate two (3115). The other end of the positioning guide rod (319) movably penetrates the inner wall of the clamping and fixing frame (317) and extends to the outer wall of the clamping and fixing frame (317) through the positioning sleeves (318). A limit plate (3111) is fixedly installed on the other end of the positioning guide rod (319).

6. The welding equipment for a double-metal moving contact according to claim 5, characterized in that: A connecting rod (3113) is fixedly installed on one outer wall of the clamping rubber plate (3112). The other end of the connecting rod (3113) movably passes through the inner wall of the clamping fixing frame (317) and extends to the outer wall of the clamping fixing frame (317). A circular plate is fixedly installed on the other end of the connecting rod (3113). A spring (3114) is movably sleeved on the outer wall of the connecting rod (3113). The other end of the spring (3114) is connected to the clamping fixing frame (317). The outer wall of the spring (3114) is fixedly connected to the outer wall of the circular plate. The other end of the spring (3114) is fixedly connected to the outer wall of the circular plate. An electric telescopic rod (3117) is fixedly installed inside the electric telescopic rod fixing plate (3116). The telescopic end of the electric telescopic rod (3117) moves through the outer wall of the clamping fixing frame (317) and extends into the interior of the clamping fixing frame (317). The telescopic end of the electric telescopic rod (3117) is fixedly connected to the outer wall of the clamping rubber plate (3115).

7. The welding equipment for a double-metal moving contact according to claim 1, characterized in that: The robotic arm material handling and unloading section (4) specifically includes: The mounting positioning plate (411) is fixedly installed on the top outer wall of the work platform (1) at equal intervals around its circumference; The feeding conveyor frame (412) is fixedly installed on the outer wall of the working platform (1); The material conveyor frame (413) is fixedly installed on the outer wall of the other side of the working platform (1).

8. The welding equipment for a double-metal moving contact according to claim 7, characterized in that: The top of the mounting positioning plate (411) is provided with a robotic arm (418). One end of the robotic arm (418) is fixedly installed with a loading gripper (419), a welding head (4112), and a unloading gripper (4111). The inside of the loading conveyor frame (412) is provided with a loading conveyor belt (414). The top of the loading conveyor belt (414) is provided with a silver spot to be welded (415). The inside of the unloading conveyor frame (413) is provided with an unloading conveyor belt (416). The top of the unloading conveyor belt (416) is provided with a post-processing contact (417).

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