Welding equipment

Abstract

The utility model relates to the technical field of welding, in particular to welding equipment which comprises an operation table, a wire harness and a terminal. The conveying assembly comprises a storage bin arranged on the surface of the operation table and used for containing wire harnesses, an arc-shaped sliding plate connected with the storage bin, a conveying shaft arranged on the upper portion of the arc-shaped sliding plate, a clamping groove formed in the outer wall of the conveying shaft, a push rod arranged at the upper end of the arc-shaped sliding plate, and a shifting piece rotationally arranged on the outer wall of the push rod. The shifting piece is connected with the push rod through a torsional spring; the alignment assembly comprises a shell which is arranged on one side of the conveying shaft and used for conveying terminals, a moving rod which is arranged in the shell and used for pushing the terminals, and a tray which is arranged between the shell and the conveying shaft and can move up and down; and the welding gun is arranged above the operation table. According to the device, wire harnesses are automatically straightened out, terminals are accurately aligned, one-time welding forming is achieved, one-person guarding is achieved, efficiency is higher, and operation safety is better.

Description

Technical Field

[0001] This utility model relates to the field of welding technology, and in particular to a welding device. Background Technology

[0002] In the field of wire harness assembly and manufacturing, reliable welding of terminals to multi-core wire harnesses is a core process for ensuring the electrical connection performance of vehicles, cabinets, and energy storage systems. Traditional methods rely almost entirely on manual labor: operators must first straighten and tidy up the scattered wire harnesses one by one, and then hold an ultrasonic welding gun to apply pressure to the terminals for welding. This process is prone to incomplete welds, over-welding, or misaligned terminals, with a first-pass yield of less than 90%. The high-temperature welding head and metal spatter also pose safety hazards, and long-term operation can easily lead to operator fatigue injuries.

[0003] To improve automation, rotary or linear welding machines have emerged on the market, but they still have obvious shortcomings: 1) Wire harness feeding still requires manual placement of each bundle, resulting in a high failure rate of wire jamming and overlapping; 2) Terminal feeding and wire harness positioning are powered by different power sources, lacking real-time alignment compensation, making it easy for terminals and wire cores to slip during welding; 3) After welding, the finished products fall freely under gravity, resulting in a high rate of terminal deformation and sheath scratches, posing safety hazards. Utility Model Content

[0004] In view of the problems existing in the prior art, this utility model is proposed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a welding device, which includes an operating table, a wire harness, and terminals;

[0006] The transport assembly includes a storage compartment disposed on the surface of the operating table for placing wire harnesses, an arc-shaped sliding plate connected to the storage compartment, a transmission shaft disposed on the upper part of the arc-shaped sliding plate, the outer wall of the transmission shaft having a slot, a push rod disposed on the upper end of the arc-shaped sliding plate, and a paddle rotatably disposed on the outer wall of the push rod, the paddle being connected to the push rod by a torsion spring.

[0007] The alignment assembly includes a housing located on one side of the transmission shaft for conveying terminals, a moving rod located inside the housing for pushing terminals, and a tray located between the housing and the transmission shaft that can move up and down.

[0008] A welding gun positioned above the workbench.

[0009] As a preferred embodiment of the welding equipment described in this utility model, the storage compartment is provided with a first channel for connecting to the surface of the arc-shaped sliding plate;

[0010] The housing has an internal channel for the terminals to slide through, and it is connected to an internal space for the sliding of a movable rod.

[0011] In a preferred embodiment of the welding equipment described in this utility model, the surface of the operating table is provided with a first threaded rod for sliding of the push rod, and two such rods are symmetrically arranged and respectively disposed at both ends of the push rod. The push rod is provided with a corresponding thread on the inner wall of the first threaded rod.

[0012] In a preferred embodiment of the welding equipment described in this utility model, an extrusion rod is slidably provided at the end of the arc-shaped sliding plate, and a first elastic element is provided between the extrusion rod and the arc-shaped sliding plate, and a ball head is slidably provided inside the arc-shaped sliding plate.

[0013] In a preferred embodiment of the welding equipment described in this utility model, the end face of the operating table is provided with a support platform that can be used for sliding the tray;

[0014] The tray moves up and down by means of a second threaded rod.

[0015] In a preferred embodiment of the welding equipment described in this utility model, the upper surface of the tray is recessed to form a moving space, an alignment block is slidably provided inside the moving space, and a second elastic element is provided between the alignment block and the inner wall of the moving space.

[0016] In a preferred embodiment of the welding equipment described in this utility model, the alignment block includes an arc surface on one side, an inclined plate is rotatably provided on the surface of the alignment block, and a third elastic element is provided between the inclined plate and the alignment block.

[0017] In a preferred embodiment of the welding equipment described in this utility model, the arc-shaped sliding plate includes a straight plate and a semi-circular plate. A frustum is provided on the outer wall of the semi-circular plate, and the frustum is provided with a through hole through which the motor output shaft can pass.

[0018] In a preferred embodiment of the welding equipment described in this utility model, an alignment rod is slidably connected to the frustum, and the alignment rod can slide along the inside of the slot.

[0019] As a preferred embodiment of the welding equipment described in this utility model, the operating table surface is provided with a conveying channel;

[0020] The push rod surface is provided with a bracket that can move the conveying channel.

[0021] The advantages of this utility model are: automatic wire harness straightening, precise terminal alignment, one-time welding, single-person operation, higher efficiency, and better operational safety. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of a welding equipment according to the present invention;

[0024] Figure 2 This is a side view of the overall structure of this utility model;

[0025] Figure 3 This is a side view of the transport component structure in this utility model;

[0026] Figure 4 This is a schematic diagram of the fit between the extrusion rod and the ball head in this utility model;

[0027] Figure 5 This is a top view of the structure and fit between the transmission shaft and the alignment component in this utility model;

[0028] Figure 6 In this utility model Figure 5 Schematic diagram of the EE cross section;

[0029] Figure 7 In this utility model Figure 6 Enlarged schematic diagram of the structure of the middle F region;

[0030] Figure 8 This is a schematic diagram of the explosive engagement of the push rod and the paddle in this utility model;

[0031] Figure 9 In this utility model Figure 3 Enlarged structural diagram of region D in the middle;

[0032] Figure 10 This is a schematic diagram of the connection structure between the tray and the inclined plate in this utility model.

[0033] In the diagram: A, operating table; A1, support platform; B, wiring harness; C, terminal; 1, transport assembly; 11, storage compartment; 111, first channel; 12, curved sliding plate; 121, straight plate; 122, semi-circular plate; 13, conveyor shaft; 131, slot; 14, push rod; 141, bracket; 142, keyway; 15, paddle; 151, torsion spring; 152, key; 16, first threaded rod; 17, extrusion. 18. Rod; 19. First elastic element; 2. Ball head; 2. Alignment assembly; 21. Housing; 211. Channel; 22. Moving rod; 23. Tray; 231. Moving space; 24. Second threaded rod; 25. Alignment block; 251. Arc surface; 252. Inclined plate; 253. Third elastic element; 26. Second elastic element; 3. Frustum; 31. Through hole; 32. Alignment rod; 4. Conveying channel; 5. Welding gun. Detailed Implementation

[0034] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0035] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0036] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0037] Example 1

[0038] Reference Figures 1-6 This is the first embodiment of the present invention, which provides a welding device.

[0039] Specifically, the components include an operating table A, a wire harness B, and a terminal C; a transport assembly 1, which includes a storage compartment 11 located on the surface of the operating table A for placing the wire harness B, an arc-shaped sliding plate 12 connected to the storage compartment 11, a transmission shaft 13 located on the upper part of the arc-shaped sliding plate 12, a slot 131 on the outer wall of the transmission shaft 13, a push rod 14 located on the upper end of the arc-shaped sliding plate 12, and a paddle 15 rotatably located on the outer wall of the push rod 14, with the paddle 15 and the push rod 14 connected by a torsion spring 151.

[0040] Alignment assembly 2 includes a housing 21 for conveying terminal C located on one side of the conveyor shaft 13; a moving rod 22 for pushing terminal C located inside the housing 21; and a vertically movable tray 23 located between the housing 21 and the conveyor shaft 13. A welding gun 5 is located above the operating table A, and this welding gun 5 is mounted above the welding point using a truss structure. Figure 6 As shown.

[0041] The operating table A can be a common type of operating table. A storage compartment 11 is fixedly installed on the upper surface of the operating table A. The purpose of the storage compartment 11 is to hold the wire harness B. An arc-shaped slide plate 12 is connected to the lower opening of the storage compartment 11. The wire harness B slides from inside the storage compartment 11 to the surface of the arc-shaped slide plate 12. At the same time, a rotatable conveyor shaft 13 is supported on the surface of the operating table A. Multiple semi-circular slots 131 are arrayed on the surface of the conveyor shaft 13. The conveyor shaft 13 is placed on the upper surface of the arc-shaped slide plate 12, leaving a certain space between them. In addition, part of the arc-shaped slide plate 12 is rounded, and its radius is larger than that of the conveyor shaft 13 and is concentric. The advantage of this design is that the slots 131 on the outer wall of the conveyor shaft 13 will hold a wire harness B, and then drive it to rotate, transporting the wire harness B from the lower end to the upper end along the arc-shaped slide plate 12. At the same time, in order to ensure that the wire harness B can be smoothly inserted into the slots 131, a push rod 14 is set above the arc-shaped slide plate 12. The outer wall of the push rod 14 is rotatably equipped with a paddle 15 angled towards the arc-shaped slide plate 12. The paddle 15 is connected to the push rod 14 by a torsion spring 151, and paddles 15 are installed at both ends of the push rod 14. When the wire harness B passes the lower end of the push rod 14, it will contact the surface of the wire harness B. If the two ends of the wire harness B are not on the same horizontal line, and one end does not contact the paddle 15, the subsequent wire harness B will push the previous wire harness B. The paddle 15 that has already contacted the wire harness B will intercept the sliding of the wire harness B. The other end of the wire harness B is pushed by the rear wire harness B. When the wire harness B contacts the two paddles 15, the subsequent wire harness B pushes again, which will push the wire harness B to squeeze the paddles 15 and move them upward. Then, the rotation drives the torsion spring 151 to rotate. When the wire harness B pushes past the paddles 15, the torsion spring 151 resets the paddles 15, ensuring that when the wire harness B enters the slot below, the slot 131 can drive the wire harness B to move upward. After the slot 131 locks the surface of the wire harness B, the next wire harness B cannot enter.

[0042] A housing 21 is installed at one end of the conveyor shaft 13. The housing 21 is fixedly connected to the surface of the operating table A. A moving rod 22 is slidably arranged inside the housing 21. The terminal C is placed inside the housing 21. When the wire harness B is transported to the top by the conveyor shaft 13, the moving rod 22 is pushed to push the terminal C out and make contact with the wire harness B. At the same time, a tray 23 is arranged below the contact point to abut the terminal C against the wire harness B. Meanwhile, the welding gun 5 is arranged above the contact point. After the terminal C contacts the wire harness B, the tray 23 moves upward and the welding gun 5 moves downward, and then welding is performed, so that the wire harness B and the terminal C are welded together. Then the conveyor shaft 13 is rotated again, and the welded terminal C and the wire harness B slide out. The advantage of this design is that it replaces the existing technology of manual welding, improves the operating safety environment, and improves welding efficiency.

[0043] It should be noted that the rotation and sliding movements can both be achieved using a rotary motor and a telescopic motor. Furthermore, the welding gun 5 is an ultrasonic welding gun. Here, the welding gun 5 is as follows... Figure 6 As shown, the welding gun 5 is positioned above the welding point between terminal C and wire harness B, and moves up and down to achieve welding. This up-and-down movement can be achieved using a hydraulic system, which will not be elaborated further. Simultaneously, as... Figure 8 As shown, the outer wall of the push rod 14 is provided with a keyway 142, and the inner wall of the paddle 15 is fixedly installed with a key 152 that can slide along the inside of the keyway 142. The keyway 142 is as follows: Figure 8 As shown, the end near the left is the initial position of the paddle 15. That is, when the paddle 15 encounters the surface of the wire harness B, it will rotate upward along the surface of the wire harness B. However, since the key 152 on the inner wall of the paddle 15 is already at the end of the keyway 142 at the initial position, the paddle 15 will not rotate downward when it is in the initial position.

[0044] Example 2

[0045] Reference Figures 1-10 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0046] Specifically, the storage compartment 11 is provided with a first channel 111 for connecting to the surface of the curved slide plate 12;

[0047] The housing 21 has a channel 211 inside which the terminal C can slide, and it is connected to the space inside where the moving rod 22 can slide.

[0048] The storage compartment 11 has a first channel 111 at its lower end. The contact point with the arc-shaped slide plate 12 is rounded. The cross-section of the first channel 111 is larger than the cross-section of the wire harness B, so that two wire harnesses B cannot pass through at the same time. The housing 21 also has a channel 211 inside. The channel 211 is vertically downward and the moving rod 22 moves laterally. That is, when the terminal C slides down along the channel 211 into the groove where the moving rod 22 moves, it pushes the moving rod 22 to push the terminal C toward the transmission shaft 13, and then the terminal C contacts the wire harness B.

[0049] Preferably, the surface of the operating table A is provided with a first threaded rod 16 for the push rod 14 to slide, and two such rods are symmetrically arranged at both ends of the push rod 14. The push rod 14 is provided with a corresponding thread on the inner wall of the first threaded rod 16.

[0050] The upper surface of the operating table A is fixedly equipped with a first threaded rod 16, and the first threaded rod 16 is fixedly installed on both sides of the arc-shaped slide plate 12. The two ends of the push rod 14 are sleeved on the outer wall of the first threaded rod 16. When the first threaded rod 16 is rotated, the push rod 14 moves towards the storage compartment 11. The advantage of this design is that the push rod 14 drives the paddle 15 to move, and the paddle 15 drives the wire harness B to slide. The wire harness B on the surface of the arc-shaped slide plate 12 will be pushed to align until the paddle 15 moves to one end of the arc-shaped slide plate 12 close to the storage compartment 11. Then the paddle 15 pushes the wire harness B towards the direction of the transmission shaft 13. Then the slot 131 drives the wire harness B to move upward one by one. At the same time, it can be connected one by one in the slot 131, which improves the welding efficiency.

[0051] An extrusion rod 17 is slidably provided at the end of the arc-shaped slide plate 12, and a first elastic element 18 is provided between the extrusion rod 17 and the arc-shaped slide plate 12, and a ball head 19 is slidably provided inside the arc-shaped slide plate 12.

[0052] like Figure 1 As shown, a pressing rod 17 is slidably installed at the end of the arc-shaped slide plate 12. A first elastic element 18 is directly installed on the outer surface of the arc-shaped slide plate 12 and the pressing rod 17. One end of the first elastic element 18 is fixedly connected to the pressing rod 17, and the other end is fixedly connected to the outer surface of the arc-shaped slide plate 12. There is a ball head 19 inside the arc-shaped slide plate 12. Less than half of the surface of the ball head 19 is exposed outside the arc-shaped slide plate 12. The opening is smaller than the radius of the ball head 19 to prevent the ball head 19 from sliding out. At the same time, the other end is in contact with the pressing rod 17. When the wire harness B slides to this point, the ball head 19 is pushed out, and at the same time, it also has a clamping effect on the wire harness B.

[0053] Preferably, the arc-shaped slide plate 12 includes a straight plate 121 and a semi-circular plate 122. A frustum 3 is provided on the outer wall of the semi-circular plate 122, and the frustum 3 is provided with a through hole 31 through which the motor output shaft can pass.

[0054] Among them, such as Figure 3As shown, the arc-shaped slide plate 12 is divided into a straight plate 121 connected to the storage compartment 11 and a semi-circular plate 122 that bends around the transmission shaft 13. A frustum 3 is fixedly installed on the side of the semi-circular plate 122. There is a through hole 31 at the center of the frustum 3. The motor output shaft passes through the through hole 31 and is fixedly connected to the transmission shaft 13 to drive the transmission shaft 13 to rotate.

[0055] Preferably, the alignment rod 32 is slidably connected to the frustum 3, and the alignment rod 32 can slide along the inside of the slot 131.

[0056] A aligning rod 32 is slidably connected to the outer surface of the frustum 3. One end of the aligning rod 32 is connected to a hydraulic drive device, allowing the aligning rod 32 to slide into and out of the slot 131. When the wire harness B slides to the ball head 19 position, the aligning rod 32 can be driven to push the wire harness B along the inside of the slot 131, pushing the wire harness B towards the housing 21. Subsequently, the wire harness B begins to contact the terminal C. Before welding, the hydraulic system driving the aligning rod 32 and the motor driving the moving rod 22 can be adjusted to ensure that the contact position between the wire harness B and the terminal C is properly adjusted before processing, ensuring that the wire harness B and the terminal C can make proper contact. The driving motor and hydraulic system are existing technologies and will not be described further here.

[0057] Example 3

[0058] Reference Figures 1-10 This is the third embodiment of the present invention, which is based on the previous embodiment.

[0059] Specifically, the end face of the operating table A is provided with a support platform A1 for sliding the tray 23;

[0060] The tray 23 moves up and down by means of the second threaded rod 24.

[0061] The upper surface of the operating table A is fixedly equipped with a support platform A1, which allows the transmission shaft 13 to be rotatably installed between the support platform A1 and the frustum 3. The two ends are provided with rotating shafts that are rotatably connected to the support platform A1 and the frustum 3 respectively. Inside the support platform A1, a motor drives a second threaded rod 24, which drives the tray 23 to move up and down. The advantage of this design is that the terminal C generally has a simple rectangular structure. When the tray 23 moves upward, it can correct the rectangular structure to be horizontal, preventing the rectangular structure from contacting the wire harness B with a vertical surface, which would lead to welding failure.

[0062] Preferably, the upper surface of the tray 23 is recessed to form a moving space 231, and an alignment block 25 is slidably provided inside the moving space 231. A second elastic member 26 is provided between the alignment block 25 and the inner wall of the moving space 231.

[0063] The upper surface of the tray 23 has a rectangular space recessed downward to form a moving space 231. Two alignment blocks 25 are set in the middle of the moving space. The alignment blocks 25 are connected to the inner wall of the moving space 231 by a second elastic element 26. The second elastic element 26 is a compression spring. When the two alignment blocks 25 move away from each other, they will squeeze the second elastic element 26 at the same time.

[0064] Preferably, the alignment block 25 includes an arc surface 251 on one side, and an inclined plate 252 is rotatably provided on the surface of the alignment block 25. A third elastic member 253 is provided between the inclined plate 252 and the alignment block 25.

[0065] The sides of the alignment blocks 25 that are close to each other are rounded to form an arc surface 251. An inclined plate 252 is rotatably mounted on the upper surface of the alignment blocks 25, and the inclined plate 252 and the arc surface 251 are connected by a third elastic element 253, which is also a compression spring.

[0066] The advantage of this design is that when the second threaded rod 24 rotates, causing the tray 23 to move upward, the alignment block 25 begins to contact the terminal C. If the rectangular structure of the terminal C is in an inclined state, the bottom end of one side of the terminal C in the inclined state will preferentially contact the inclined plate 252. At this time, under the action of the third elastic element 253, the terminal C will be pushed to rotate until the rectangular structure of the terminal C is horizontal. Then, the two inclined plates 252 are squeezed at the same time, and the inclined plates 252 begin to tilt downward. Then, the terminal C and the wire harness B enter between the alignment block 25, forming a clamping state. Then, the welding gun 5 falls to weld the wire harness B and the terminal C. After completion, the tray 23 is removed, the welding gun 5 is removed, and then the moving rod 22 pushes the terminal C again, causing the terminal C to slide out of the housing 21. The conveyor shaft 13 is rotated again, and the conveyor shaft 13 drives the already welded terminal C and wire harness B to disengage from the conveyor shaft.

[0067] Example 4

[0068] Reference Figures 1-10 This is the fourth embodiment of the present invention, which is based on the previous embodiment.

[0069] Preferably, the surface of the operating table A is provided with a conveying channel 4;

[0070] The surface of the push rod 14 is provided with a bracket 141 that can move the conveying channel 4.

[0071] A conveying channel 4 is provided on the upper surface of the operating table A. One side of the conveying channel 4 is attached to the outer surface of the conveying shaft 13. This conveying channel 4 is made of a deformable material. When the conveying shaft 13 drives the already soldered terminal C and wire harness B to turn to the conveying channel 4, due to gravity and the fact that the conveying channel 4 is attached to the surface of the conveying shaft 13, the already soldered finished product will slide into the conveying channel 4.

[0072] A bracket 141 is fixedly installed on the surface of the push rod 14. The bracket 141 can abut against the lower surface of the conveying channel 4. When moving back and forth, it can push the part of the conveying channel 4 that contacts the bracket 141 upwards, so that the finished product falls directly into the collection device along the conveying channel 4. This makes the whole device a semi-automatic device that only requires manual placement of the terminal C and the wire harness B.

[0073] In summary, during the operation of the entire equipment, only manual insertion of terminal C and wire harness B is required. Wire harness B is then fed into the slot 131 on the outer wall of the conveyor shaft 13 via push rod 14. The conveyor shaft 13 then rotates wire harness B upwards. Subsequently, moving rod 22 pushes terminal C closer to the conveyor shaft 13. At the same time, the lower tray 23 moves upwards, and tilting plate 252 corrects the position of terminal C. Then, alignment rod 32 pushes wire harness B and terminal C to align. After this, tray 23 moves upwards again, clamping wire harness B and terminal C. Welding gun 5 begins welding. After welding is completed, alignment rod 32 is withdrawn, welding gun 5 is removed, tray 23 is withdrawn downwards, and then moving rod 22 is pushed once more to push terminal C out of housing 21, which then enters the conveyor channel 4, completing the finished product collection.

[0074] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A welding device, characterized in that: include: Control panel (A), wiring harness (B), terminal (C); The transport assembly (1) includes a storage compartment (11) disposed on the surface of the operating table (A) for placing a wire harness (B), an arc-shaped sliding plate (12) connected to the storage compartment (11), a transmission shaft (13) disposed on the upper part of the arc-shaped sliding plate (12), a slot (131) provided on the outer wall of the transmission shaft (13), a push rod (14) disposed on the upper end of the arc-shaped sliding plate (12), a paddle (15) rotatably disposed on the outer wall of the push rod (14), and the paddle (15) and the push rod (14) are connected by a torsion spring (151); Alignment assembly (2), housing (21) disposed on one side of the transmission shaft (13) for conveying terminal (C), moving rod (22) disposed inside the housing (21) for pushing terminal (C), and tray (23) disposed between the housing (21) and the transmission shaft (13) for vertical movement. A welding gun (5) is located above the workbench (A).

2. The welding equipment as described in claim 1, characterized in that: The storage compartment (11) is provided with a first channel (111) for connecting to the surface of the arc-shaped sliding plate (12). The housing (21) has a channel (211) inside which the terminal (C) can slide, and connects to the space inside where the moving rod (22) can slide.

3. The welding equipment as described in claim 2, characterized in that: The surface of the operating table (A) is provided with a first threaded rod (16) for sliding of the push rod (14), and two of them are symmetrically arranged at both ends of the push rod (14). The push rod (14) is provided with a corresponding thread on the inner wall of the first threaded rod (16).

4. The welding equipment as described in claim 3, characterized in that: The arc-shaped slide plate (12) is slidably provided with a compression rod (17) at its end, and a first elastic element (18) is provided between the compression rod (17) and the arc-shaped slide plate (12), and a ball head (19) is slidably provided inside the arc-shaped slide plate (12).

5. The welding equipment as described in claim 4, characterized in that: The end face of the operating table (A) is provided with a support platform (A1) that can be used for sliding of the tray (23). The tray (23) moves up and down by means of the second threaded rod (24).

6. The welding equipment as described in claim 5, characterized in that: The upper surface of the tray (23) is recessed to form a moving space (231). An alignment block (25) is slidably provided inside the moving space (231). A second elastic element (26) is provided between the alignment block (25) and the inner wall of the moving space (231).

7. The welding equipment as described in claim 6, characterized in that: The alignment block (25) includes an arc surface (251) on one side, and an inclined plate (252) is rotatably provided on the surface of the alignment block (25). A third elastic element (253) is provided between the inclined plate (252) and the alignment block (25).

8. The welding equipment as described in claim 7, characterized in that: The arc-shaped slide plate (12) includes a straight plate (121) and a semi-circular plate (122). A frustum (3) is provided on the outer wall of the semi-circular plate (122). The frustum (3) has a through hole (31) through which the motor output shaft can pass.

9. The welding equipment as described in claim 8, characterized in that: Alignment rod (32) is slidably connected to the frustum (3), and the alignment rod (32) can slide along the inside of the slot (131).

10. The welding equipment as described in claim 9, characterized in that: The surface of the operating table (A) is provided with a conveying channel (4); The push rod (14) has a bracket (141) on its surface that can move the conveying channel (4).

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