Convergence welding equipment

Abstract

The utility model discloses confluence welding equipment, which relates to the technical field of battery panel welding and comprises a frame body structure, a feeding structure, a plurality of stopping pieces and a plurality of aligning pieces. The frame body structure comprises a lower end frame, the feeding structure is arranged on the frame body structure, the feeding structure has a feeding stroke in the first direction, the multiple stop pieces are arranged on the lower end frame in the first direction so as to adjust the number of battery panels on the feeding structure, and the multiple alignment pieces are arranged on one sides of the multiple stop pieces in the first direction so as to adjust the number of the battery panels on the feeding structure. And one end of each alignment piece comprises a movable contact end moving along the second direction, and the movable contact ends are used for adjusting the position of the cell panel in the second direction. According to the structure in the scheme, the number of welded battery panels can be controlled at any time according to actual requirements, the positions of the battery pieces can be adjusted in advance, compared with traditional welding equipment, the cost is low, and the production efficiency can be well improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery panel welding, especially relates to a confluence welding equipment. BACKGROUND

[0002] The confluence welding is the commonly used equipment in the production process of photovoltaic battery panel, and is usually used for welding a plurality of separate cell piece structures into a string. The confluence welding is to collect flowing materials in turn at a place and then weld them together. The number of battery panels welded by the traditional confluence welding structure is generally fixed. When the number of welded battery panels changes, the corresponding fixed structure is usually replaced according to the number of battery panels. This way is large in workload and inconvenient. Moreover, the traditional confluence welding equipment generally finds the corresponding welding points for welding by the movement of a welding piece. This way has certain requirements for the movement precision of the welding piece, which is not conducive to cost saving and welding efficiency improvement. SUMMARY

[0003] The utility model discloses a kind of confluence welding equipment, to solve the problem that the number of battery panels welded by the traditional confluence welding equipment changes, the corresponding fixed structure is usually replaced according to the number of battery panels, this way is large in workload and inconvenient, and the traditional confluence welding equipment is not conducive to cost saving and welding efficiency improvement.

[0004] To achieve the above object, the confluence welding equipment provided by the utility model comprises:

[0005] Frame structure, including lower end frame;

[0006] Feeding structure, which is arranged on the frame structure, the feeding structure has a feeding stroke in the first direction;

[0007] A plurality of stop pieces, a plurality of the stop pieces are arranged on the lower end frame in the first direction, for adjusting the number of battery panels on the feeding structure;And,

[0008] A plurality of alignment pieces, a plurality of the alignment pieces are arranged on one side of a plurality of the stop pieces in the first direction, and one end of a plurality of the alignment pieces each comprises a movable contact end moving in the second direction, and the movable contact end is used for adjusting the position of the battery panel in the second direction;

[0009] Wherein, the first direction and the second direction are two mutually perpendicular directions on horizontal plane.

[0010] In an embodiment, the stop piece comprises:

[0011] Mounting rod, which is mounted on the lower end frame in the second direction;And,

[0012] The blocking member comprises a first cylinder and a blocking part, the first cylinder is arranged on the mounting rod, and the output end of the first cylinder is connected to the blocking part to drive the blocking part to move in the vertical direction.

[0013] In an embodiment, the blocking part is a first rotating roller, the central axis of the first rotating roller is arranged on the output end of the first cylinder, and one mounting rod is provided with at least two first cylinders in the second direction; and / or,

[0014] The mounting rods are uniformly arranged on the lower end frame in the first direction.

[0015] In an embodiment, the alignment member comprises:

[0016] a first mounting frame, both ends of which are arranged on the lower end frame in the second direction; and,

[0017] a first driving member arranged on the lower end frame and connected to the movable contact end to drive the movable contact end to move in the second direction;

[0018] The first mounting frame is provided with a fixed contact end at an end away from the movable contact end, and the fixed contact end is used to limit an end of the battery piece corresponding to the second direction.

[0019] In an embodiment, the movable contact end comprises a first mounting plate, the first mounting plate is slidingly arranged on the first mounting frame in the second direction, and the downward end surface of the first mounting plate is connected to the first driving member, and both ends of the first mounting plate are provided with a second cylinder, and the output end of the second cylinder is provided with a second rotating roller; and / or,

[0020] The fixed contact end comprises a second mounting plate, the second mounting plate is arranged at one end of the first mounting frame, both ends of the second mounting plate are provided with a third cylinder, and the output end of the third cylinder is provided with a third rotating roller.

[0021] In an embodiment, the second mounting plate is provided with a mounting roller;

[0022] The first driving member comprises:

[0023] a first motor arranged on the lower end frame; and,

[0024] a transmission belt arranged between the output end of the first motor and the mounting roller;

[0025] The lower end surface of the first mounting plate is provided with a clamping plate structure, and part of the transmission belt is fixedly connected with the clamping plate structure; and / or,

[0026] The interval between the two second rotating rollers on the first mounting plate corresponds to the actual width of the battery plate; and / or,

[0027] The interval between the two third rotating rollers on the second mounting plate corresponds to the actual width of the battery plate.

[0028] In an embodiment, the feeding structure is a roller feeding structure, and the feeding direction of the roller feeding structure is arranged along the first direction;

[0029] The first rotating roller, the second rotating roller and the third rotating roller are arranged between two adjacent rollers in the roller feeding structure; and / or,

[0030] Sensor elements are arranged on the mounting rod and the first mounting plate.

[0031] In an embodiment, the frame structure further comprises an upper end frame;

[0032] The busbar welding device further comprises a welding structure, and the welding structure comprises:

[0033] A welding mounting frame is mounted on the upper end frame along the second direction;

[0034] A welding mounting plate is slidingly mounted on the welding mounting frame along the second direction, and the welding mounting plate is provided with a welding device mounting plate in sliding connection therewith. The welding mounting plate is provided with a welding cylinder, and the output end of the welding cylinder is connected with the welding device mounting plate; and,

[0035] A plurality of welding devices are uniformly arranged on the lower end of the welding device mounting plate along the first direction.

[0036] In an embodiment, the welding structure further comprises a second driving member, which is arranged on the upper end frame and connected with the welding mounting plate to drive the welding mounting plate to move on the welding mounting frame; and / or,

[0037] A plurality of pressing cylinders are arranged on the welding mounting plate, and a flexible pressing member is arranged on the output end of each of the pressing cylinders.

[0038] In an embodiment, the frame structure further comprises an upper end frame;

[0039] The busbar welding device further comprises a welding strip feeding structure, the welding strip feeding structure comprises a feeding structure and a welding strip suction structure, the feeding structure is arranged on the lower end frame and is used for cutting the welding strip into a fixed length, and the welding strip suction structure is arranged on the upper end frame and is used for placing the cut welding strip on the welding positions of the plurality of battery plates.

[0040] In the technical scheme of the utility model, in the production process, the corresponding one stop piece in the first direction can divide the size of the welding area on the feeding structure when working, so as to control the number of battery plates converged on the welding area, and therefore, in the welding process, the actual number of battery plates on the welding area of the feeding structure can be better controlled according to actual requirements, so that various specifications of battery plate structures can be welded more conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structures shown in these drawings without creative labor.

[0042] Figure 1 The utility model provides the whole structure schematic diagram of busbar welding equipment one embodiment;

[0043] Figure 2 For Figure 1 The installation schematic diagram of feeding structure, stop piece, alignment piece and feeding structure on lower end frame;

[0044] Figure 3 For Figure 2 The specific structure schematic diagram of stop piece;

[0045] Figure 4 For Figure 2 The specific structure schematic diagram of alignment piece;

[0046] Figure 5 For Figure 4 The back structure schematic diagram of alignment piece;

[0047] Figure 6 For Figure 1 The specific structure diagram of the welding structure;

[0048] Figure 7 For Figure 1 The specific structure diagram of the welding strip suction structure.

[0049] BRIEF DESCRIPTION OF DRAWINGS

[0050] 100, the current welding equipment; 1, the frame structure; 11, the lower end frame; 12, the upper end frame; 121, the top frame structure; 122, the camera element; 2, the feeding structure; 3, the stop piece; 31, the mounting rod; 32, the blocking piece; 321, the first air cylinder; 322, the first rotating roller; 4, the alignment piece; 41, the first mounting frame; 42, the first driving piece; 421, the first motor; 422, the transmission belt; 43, the fixed contact end; 431, the second mounting plate; 432, the third air cylinder; 433, the third rotating roller; 44, the movable contact end; 441, the first mounting plate; 442, the second air cylinder; 443, the second rotating roller; 444, the clamping plate structure; 5, the welding structure; 51, the welding mounting frame; 52, the welding mounting plate; 521, the welding device mounting plate; 522, the welding air cylinder; 53, the welding device; 54, the second driving piece; 55, the pressing air cylinder; 56, the flexible pressing piece; 7, the material discharging structure; 71, the material winding discharging piece; 72, the carrier structure; 73, the cutting structure; 8, the welding strip suction structure; 81, the second linear motor; 82, the material taking guide frame; 821, the material taking slide plate; 83, the suction nozzle; 84, the material taking air cylinder; 85, the mounting seat.

[0051] The implementation, functional features and advantages of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments. DETAILED DESCRIPTION

[0052] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0053] It should be noted that if the present application embodiments involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications will also change accordingly.

[0054] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes include "A and / or B", including A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0055] The current welding is a commonly used equipment in the production process of photovoltaic cell panel, and is usually used for welding a plurality of single cell structures into a string. The current welding is named as collecting the flowing material in turn at a place and then welding them together. The number of cell panels welded by the traditional current welding structure is generally fixed. When the number of welded cell panels changes, the corresponding fixed structure is usually replaced according to the number of cell panels. This way is large in workload and inconvenient. Moreover, the traditional current welding equipment generally finds the corresponding welding points for welding by the movement of the welding piece. This way has certain requirements for the movement precision of the welding piece, which is not conducive to the cost saving and the improvement of welding efficiency.

[0056] The utility model provides a kind of current welding equipment 100 for solving above problems.

[0057] Please refer to Figures 1-2In an embodiment of the utility model, mainly in order to promote the convenience of welding different specifications of battery panel structure of the current welding equipment 100. As the name implies, the current welding is to collect the flowing material in turn in a place, and then weld together. The number of battery panels welded by the traditional current welding structure is generally fixed, when the number of welded battery panels changes, the corresponding fixed structure is generally replaced according to the number of battery panels, which is large workload and not convenient. And the traditional current welding equipment generally finds the corresponding welding point by the movement of the welding part to weld, which has certain requirements for the movement precision of the welding part, which is not conducive to cost saving and welding efficiency improvement. Considering the above problems, in the embodiment, a plurality of stop pieces 3 are arranged on the lower end frame 11 of the frame structure 1, and the plurality of stop pieces 3 are arranged corresponding to the feeding direction of the feeding structure 2. In the actual production process, when the corresponding stop piece 3 in the first direction works, the size of the welding area on the feeding structure 2 can be segmented, so as to control the number of battery panels flowing in the welding area, so that the actual number of battery panels in the welding area on the feeding structure 2 can be better controlled during welding, so that various specifications of battery panel structure can be welded more conveniently. At the same time, in the embodiment, a plurality of alignment pieces 4 are arranged on one side corresponding to the plurality of stop pieces 3 along the first direction. The feeding structure 2 drives the battery panel material to move in the first direction, and the corresponding stop piece 3 blocks the battery panel. During this process, a plurality of battery panels continuously gather towards the welding area on the feeding structure 2. At this time, the movable contact end 44 on the end of the alignment piece 4 is in contact with one end of the battery panel, and drives a plurality of battery panels to simultaneously adjust the position in the second direction, so that one end of a plurality of battery panels can be in alignment. At this time, a plurality of battery panels are adjusted in the welding position on the feeding structure 2, and the corresponding welding equipment only needs to move in the vertical direction and weld, so that the driving structure with high setting precision is avoided to drive the welding part to move and weld, which can save the cost to a certain extent, and the welding efficiency can also be improved to a certain extent.

[0058] Among them, the stop piece 3 specifically includes mounting rod 31 and blocking piece 32, in actual welding, the first cylinder 321 on the mounting rod 31 drives the blocking part to move in the vertical direction, so as to block the battery panel by the blocking part.

[0059] The blocking part is provided as the first rotating roller 322 in the embodiment, which is arranged to reduce the resistance of the battery plate during the movement of the battery plate driven by the alignment member 4. Meanwhile, in order to improve the blocking effect of the first rotating roller 322, at least two first air cylinders 321 are arranged on the mounting rod 31 arranged in the second direction, and the two first air cylinders 321 act simultaneously to drive the two first rotating rollers 322 to move upward simultaneously when the battery plate is positioned and blocked, so that one end of the two first rotating rollers 322 is higher than the feeding end surface of the feeding structure 2. At this time, when the battery plate moves to contact the two first rotating rollers 322, the movement of the battery plate in the first direction can be limited, so that a plurality of battery plates are gathered on one side of the two first rotating rollers 322. It can be considered that in order to make the welding area more stable, the number of battery plates to be welded is preferably reduced or increased by an integer multiple each time, so that a plurality of mounting rods 31 are arranged uniformly in the first direction in the embodiment, and the interval distance is set as the width of one battery plate. At this time, when the first rotating rollers 322 on different mounting rods 31 are raised, different numbers of battery plates are gathered on the feeding structure 2, so that the number of battery plates to be welded at one time can be better controlled, and the complex operation of replacing the corresponding fixing structure is avoided. In the process of use, the universality is stronger and more convenient.

[0060] Specifically, the alignment members are arranged in the first direction and each first mounting frame 41 of the alignment member 4 is provided with a fixed contact end 43 and a movable contact end 44. During the actual work of the alignment member 4, after a plurality of battery plates are gathered on one side of the first rotating roller 322 to complete a welding unit, the first driving member 42 drives the movable contact end 44 connected thereto to move on the first mounting frame 41 to the fixed contact end 43. It should be noted that at this time, a plurality of alignment members 4 move simultaneously, and the fixed contact end 43 and the movable contact end 44 of each alignment member 4 correspond to the end of the battery plate in the welding area position of the feeding structure 2. Therefore, when the first driving member 42 drives the movable contact end 44 to move, the battery plate will move in the second direction, so that one end of the plurality of battery plates is pushed to the position of the fixed contact end 43 for alignment, thereby ensuring the accuracy of the welding position.

[0061] The active contact end 44 comprises two second rotating rollers 443, and the distance between the two second rotating rollers 443 is the actual width of a cell plate, so that each alignment piece 4 can align two cell plates at a time. Specifically, when aligning, the second cylinder 442 on the first mounting plate 441 and the third cylinder 432 on the second mounting plate 431 work at the same time, and drive the second rotating roller 443 and the third rotating roller 433 to rise in the vertical direction at the same time and be higher than the feeding end face of the feeding structure 2 by a certain distance. The first driving piece 42 drives the first mounting plate 441 to move, so as to drive the cell plate to move in the second direction through the second rotating roller 443, and finally push the cell plate to be in contact with the third rotating roller 433, so that one end of the plurality of cell plates can be aligned.

[0062] In this embodiment, the first driving piece 42 is a motor driving structure. Specifically, the first motor 421 is installed on the lower end frame 11, the first mounting plate 441 is arranged on one end of the first mounting frame 41 close to the first motor 421, the second mounting plate 431 is arranged on the other end of the first mounting frame 41 away from the first motor 421, and the first motor 421 drives the transmission belt 422 to rotate when working. The belt between the output end of the first motor 421 and the mounting roller drives the first mounting plate 441 to move on the first mounting frame 41, so as to realize the movement of the cell plate in the second direction. It is conceivable that the first driving piece 42 can also be an electric push rod structure or a screw sliding block structure in addition to the above structure, which can be selectively used according to actual production materials.

[0063] In the embodiment, the feeding structure 2 is a roller feeding structure 2, the feeding direction of the roller feeding structure 2 is arranged along the first direction, and the roller feeding structure 2 is a conventional feeding structure 2 and is mainly used for conveying plates. Details are not described herein again. Of course, in addition to the above structure, the feeding structure 2 can also be a conveyor belt structure and the like, but the roller feeding structure 2 is better adapted to the stopper 3 and the aligner 4 in the embodiment. In the embodiment, the first rotating roller 322, the second rotating roller 443 and the third rotating roller 433 are arranged between two adjacent rollers in the roller feeding structure 2. In this way, the rotating rollers can move between the corresponding adjacent two rollers without affecting the feeding effect of the rollers. In order to better obtain the actual position of the battery plates on the rollers, sensor elements are arranged on the mounting rod 31 and the first mounting plate 441. The actual position of each battery plate on the feeding structure 2 can be obtained through the sensor elements, thereby improving the accuracy of the position adjustment of the battery plates by the stopper 3 and the aligner 4, and greatly improving the accuracy of the welding position.

[0064] The upper end frame 12 is arranged on the lower end frame 11, and the welding structure 5 in the busbar welding device 100 is arranged on the upper end frame 12. Specifically, the welding mounting plate 52 is arranged on the welding mounting frame 51. During actual welding, the welding cylinder 522 drives the welding device mounting plate 521 to move in the vertical direction, so that the welding devices 53 on the welding device mounting plate 521 move towards the battery plates, thereby welding the battery plates connected by the busbar.

[0065] The second driving member 54 is arranged on the upper end frame 12. During the actual work of the welding device 53, the second driving member 54 drives the welding mounting plate 52 to move on the welding mounting frame 51, thereby adjusting the welding position. In order to improve the welding quality, the pressing cylinders 55 are arranged on the welding mounting plate 52. The flexible pressing members 56 are arranged on the output ends of the pressing cylinders 55. When the welding devices 53 move downward, the flexible pressing members 56 first contact the battery plates, thereby improving the contact state between the welding ribbons and the battery plates, and further improving the welding quality and avoiding virtual welding as much as possible.

[0066] The busbar welding device 100 further comprises a welding ribbon feeding structure. Specifically, the welding ribbon feeding structure comprises a feeding structure 7 and a welding ribbon suction structure 8. The feeding structure 7 is arranged on the lower end frame 11 and is used for cutting the welding ribbon into a fixed length. The welding ribbon suction structure 8 is arranged on the upper end frame 12 and is used for placing the cut welding ribbon on the welding position of the battery plates.

[0067] The lower end frame 11 is provided with a winding and unwinding device 71 for unwinding the welding strip, and a carrier structure 72 is arranged on the end face of the lower end frame 11 for guiding the welding strip and keeping the welding strip in a horizontal state, and a cutting structure 73 is arranged on one side of the carrier structure 72 for cutting the welding strip on the carrier structure 72 when the length of the welding strip meets the use requirement.

[0068] The welding strip suction structure 8 is arranged on the upper end frame 12 corresponding to the position above the carrier structure 72, and in the specific working process, the material taking slide plate 821 is driven by the second linear motor 81 to move on the material taking guide frame 82, wherein the material taking guide frame 82 is installed on the upper end frame 12 along the second direction, when a plurality of suction nozzles 83 move to the position above the welding strip, the material taking cylinder 84 on the material taking slide plate 821 drives a plurality of suction nozzles 83 on the mounting seat 85 at the end thereof to move downward, so as to suck the welding strip. Then the material taking cylinder 84 and the second linear motor 81 act simultaneously, and the welding strip is placed on the welding area of a plurality of battery plates. Then a plurality of welding devices 53 weld and fix the welding strip and the plurality of battery plates. Thus the welding of the plurality of battery plates is completed. In this process, a top frame structure 121 is further arranged on the upper end frame 12, and a plurality of camera elements 122 are arranged on the top frame structure 121 for ensuring the stability of the welding position of the battery plate and the welding device 53.

[0069] The above is only an exemplary embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection scope of the present application.

Claims

1. A bus welding apparatus characterized by comprising: The utility model relates to a battery plate feeding device, including: A frame structure includes a lower end frame; A feeding structure is arranged on the frame structure, and the feeding structure has a feeding stroke in a first direction; A plurality of stop pieces are arranged on the lower end frame in the first direction for adjusting the number of battery plates on the feeding structure; And, A plurality of alignment pieces are arranged on one side of the plurality of stop pieces in the first direction, and one end of the plurality of alignment pieces includes a movable contact end moving in a second direction, which is used to adjust the position of the battery plate in the second direction; Wherein, the first direction and the second direction are two mutually perpendicular directions in the horizontal plane.

2. The bus welding apparatus of claim 1, wherein The stop piece includes: A mounting rod is mounted on the lower end frame in the second direction; And, The blocking piece includes a first air cylinder and a blocking part, the first air cylinder is arranged on the mounting rod, and the output end of the first air cylinder is connected to the blocking part to drive the blocking part to move in the vertical direction.

3. The bus welding apparatus of claim 2, wherein The blocking part is a first rotating roller, the center shaft of the first rotating roller is mounted on the output end of the first air cylinder, and at least two first air cylinders are arranged on the mounting rod in the second direction; And / or, The plurality of mounting rods are uniformly arranged on the lower end frame in the first direction.

4. The bus welding apparatus of claim 3, wherein The alignment piece includes: First mounting frame, both ends of which are mounted on the lower end frame in the second direction; And, A first driving piece is arranged on the lower end frame, and the first driving piece is connected to the movable contact end to drive the movable contact end to move in the second direction; The end of the first mounting frame away from the movable contact end is provided with a fixed contact end for limiting the end of the battery piece corresponding to the second direction.

5. The bus welding apparatus of claim 4, wherein The movable contact end includes a first mounting plate slidably mounted on the first mounting frame in the second direction, and the lower end surface of the first mounting plate is connected to the first driving piece, and a second air cylinder is arranged on both ends of the first mounting plate, and a second rotating roller is arranged on the output end of the second air cylinder; And / or, The fixed contact end includes a second mounting plate arranged on one end of the first mounting frame, and a third air cylinder is arranged on both ends of the second mounting plate, and a third rotating roller is arranged on the output end of the third air cylinder.

6. The bus welding apparatus of claim 5, wherein, The second mounting plate is provided with a mounting roller; The first driving piece includes: A first motor is mounted on the lower end frame; And, A transmission belt is arranged between the output end of the first motor and the mounting roller; The lower end surface of the first mounting plate is provided with a clamping plate structure, and part of the transmission belt is fixedly connected with the clamping plate structure; And / or, The distance between the two second rotating rollers on the first mounting plate corresponds to the actual width of the battery plate; And / or, The distance between the two third rotating rollers on the second mounting plate corresponds to the actual width of the battery plate.

7. The bus welding apparatus of claim 5, wherein The feeding structure is arranged as a roller feeding structure, and the feeding direction of the roller feeding structure is arranged in the first direction. The first rotating roller, the second rotating roller and the third rotating roller are arranged between two adjacent rollers in the roller feeding structure; and / or, The mounting rod and the first mounting plate are both provided with a sensor element.

8. The bus welding apparatus of claim 1, wherein, The frame structure further comprises an upper end frame; The bus bar welding device further comprises a welding structure, the welding structure comprises: A welding mounting frame is mounted on the upper end frame in the second direction; A welding mounting plate is slidingly mounted on the welding mounting frame in the second direction, the welding mounting plate is provided with a welding device mounting plate in sliding connection therewith, the welding mounting plate is provided with a welding cylinder, and an output end of the welding cylinder is connected with the welding device mounting plate; and A plurality of welding devices are uniformly arranged on a lower end of the welding device mounting plate in the first direction.

9. The bus welding apparatus of claim 8, wherein, The welding structure further comprises a second driving member, the second driving member is arranged on the upper end frame, and the second driving member is connected with the welding mounting plate to drive the welding mounting plate to move on the welding mounting frame; and / or, A plurality of pressing cylinders are arranged on the welding mounting plate, and a flexible pressing member is arranged on an output end of each of the pressing cylinders.

10. The bus welding apparatus of claim 1, wherein, The frame structure further comprises an upper end frame; The bus bar welding device further comprises a welding strip feeding structure, the welding strip feeding structure comprises a feeding structure and a welding strip suction structure, the feeding structure is arranged on the lower end frame to cut the welding strip into a fixed length, and the welding strip suction structure is arranged on the upper end frame to place the cut welding strip on the welding position of the plurality of battery plates.

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