High-speed flexible welding equipment

Abstract

The utility model discloses high-speed flexible welding equipment, which comprises a carrier, a conveying line, a lifting mechanism, pressing and fixing mechanisms and a welding mechanism, the carrier is arranged on the conveying line, the lifting mechanism is arranged below the conveying line and is used for lifting and positioning the carrier, the pressing and fixing mechanisms are respectively arranged on two sides of the conveying line, and the welding mechanism is arranged on the conveying line. The pressing and fixing mechanism is used for pressing and fixing a bonding pad pole on the battery pack, and the welding mechanism is erected above the conveying line and used for welding the bonding pad pole and the battery pack. When the high-speed flexible welding equipment disclosed by the utility model works, the carrier is conveyed by the conveying line, the carrier is jacked and positioned by the lifting mechanism, the bonding pad pole is tightly pressed by the pressing and fixing mechanism, and the bonding pad pole and a battery cell are welded by the welding mechanism, so that the welding of the battery cell and the bonding pad pole of a battery pack is realized; and the single-row or double-row battery packs can be welded through the two sets of pressing and fixing mechanisms and the welding mechanism, so that the welding efficiency and quality are improved, and meanwhile, the compatibility and practicability of the welding equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pack welding, and particularly relates to a high-speed flexible welding device. Background Art

[0002] In the field of batteries, in order to increase the output voltage or current of the battery, a bus bar is usually used to connect several single cells in series and / or in parallel to form a battery module. Therefore, the bus bar can transfer the electric energy generated by all single cells to the output port of the battery module for external devices to use. Moreover, the bus bar can also evenly distribute the electric energy difference between single cells, thereby increasing the service life and performance of the entire battery module.

[0003] However, in the prior art, when welding the pad posts (aluminum bars) of the bus bar to each battery cell of the battery pack, manual welding is used. However, manual welding has a high labor intensity, low welding efficiency, and poor welding quality, which is not conducive to the production of battery packs. Therefore, mechanical welding devices have emerged on the market. However, such welding devices can only weld single-row battery packs and cannot weld double-row battery packs, resulting in poor compatibility and practicability of existing welding devices. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a high-speed flexible welding device with high welding efficiency, ensuring welding quality and good compatibility.

[0005] To solve the above technical problems, the utility model can adopt the following technical solutions:

[0006] A high-speed flexible welding device includes a carrier, a conveyor line, a lifting mechanism, a pressing mechanism, and a welding mechanism. The carrier is used to load the battery pack and is placed on the conveyor line for transmission. The lifting mechanism is arranged below the conveyor line and is used to lift and position the conveyed carrier. Pressing mechanisms are respectively arranged on both sides of the conveyor line and are used to press the pad posts on the battery pack. The welding mechanism is mounted above the conveyor line and is used to weld the pad posts to the battery cells of the battery pack.

[0007] In one embodiment, positioning holes are respectively formed at the four corner positions of the carrier.

[0008] In one embodiment, two sets of blocking units are arranged on the conveyor line. The blocking units are used to block and limit the conveyed carrier, and each blocking unit includes a blocking cylinder and a blocking block. The blocking cylinder can drive the blocking block to move up and down.

[0009] In one embodiment, the lifting mechanism includes a lifting fixed plate, a lifting motor, a screw jack, and a lifting plate. The lifting motor is installed at the bottom of the lifting fixed plate, and screw jacks are provided at the four corner positions of the lifting fixed plate. The screw jacks are respectively connected to the lifting motor and the lifting plate. The lifting motor drives the screw jacks to work, and the screw jacks drive the lifting plate to lift. Positioning pins corresponding to the positioning holes are respectively provided at the four corner positions of the lifting plate.

[0010] In one embodiment, the pressing mechanism includes a first Y-axis moving module, a first X-axis moving module, a pressing mounting plate, and a pressing unit. The first X-axis moving module is connected to the first Y-axis moving module. The first Y-axis moving module drives the first X-axis moving module to move along the Y-axis direction. The pressing mounting plate is connected to the first X-axis moving module. The first X-axis moving module drives the pressing mounting plate to move along the X-axis direction. Two groups of pressing units are arranged side by side on the pressing mounting plate.

[0011] In one embodiment, the pressing unit includes a pressing cylinder and a pressing head. The pressing cylinder is arranged on the pressing mounting plate, and the pressing head is connected to the pressing cylinder. The pressing cylinder drives the pressing head to move up and down, and a welding avoidance hole is provided on the pressing head.

[0012] In one embodiment, the welding mechanism includes a second Y-axis moving module, a second X-axis moving module, a welding fixed plate, a CCD detection unit, and a laser welding head. The second X-axis moving module is connected to the second Y-axis moving module. The second Y-axis moving module drives the second X-axis moving module to move along the Y-axis direction. The welding fixed plate is connected to the second X-axis moving module. The second X-axis moving module drives the welding fixed plate to move along the X-axis direction. The CCD detection unit and the laser welding head are respectively installed on the welding fixed plate.

[0013] In one embodiment, the high-speed flexible welding equipment further includes two groups of cleaning mechanisms, and the two groups of cleaning mechanisms are respectively arranged at the ends of the two groups of pressing mechanisms.

[0014] In one embodiment, the cleaning mechanism includes a cleaning column, a cleaning lifting cylinder, a cleaning seat, a cleaning rotating motor, and a cleaning brush. The cleaning lifting cylinder is installed on the cleaning column and is connected to the cleaning seat, driving the cleaning seat to move up and down. The cleaning rotating motor and the cleaning brush are respectively arranged on the cleaning seat. Two groups of cleaning brushes are provided, and the two groups of cleaning brushes are respectively connected to the cleaning rotating motor. The cleaning rotating motor drives the two groups of cleaning brushes to rotate.

[0015] In one embodiment, the conveyor line is a double-speed conveyor chain. Beneficial effects

[0016] The high-speed flexible welding equipment of the present utility model, when welding the battery cells of the battery pack with the pad poles (aluminum bars), places the battery pack on the carrier, and the carrier is conveyed along the conveyor line. After being conveyed to the set position, the lifting mechanism jacks up and positions the carrier. When the carrier is positioned, the pressing mechanism presses the pad poles, and then the welding mechanism welds the pad poles and the battery cells, thereby realizing the welding of the battery cells of the battery pack and the pad poles. Moreover, through two groups of pressing mechanisms, the pad poles of single-row battery packs or double-row battery packs can be cyclically pressed, and the welding mechanism performs alternating welding, so as to improve the welding efficiency and quality. At the same time, the compatibility and practicability of the welding equipment can also be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the high-speed flexible welding equipment of the present utility model Figure 1 ;

[0018] Figure 2 is a schematic structural diagram of the high-speed flexible welding equipment of the present utility model Figure 2 ;

[0019] Figure 3 is a schematic structural diagram of the conveyor line of the high-speed flexible welding equipment of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the carrier of the high-speed flexible welding equipment of the present utility model;

[0021] Figure 5 is a schematic structural diagram of the blocking unit of the high-speed flexible welding equipment of the present utility model;

[0022] Figure 6 is a schematic structural diagram of the lifting mechanism of the high-speed flexible welding equipment of the present utility model Figure 1 ;

[0023] Figure 7 is a schematic structural diagram of the lifting mechanism of the high-speed flexible welding equipment of the present utility model Figure 2 ;

[0024] Figure 8 is a schematic structural diagram of the pressing mechanism of the high-speed flexible welding equipment of the present utility model;

[0025] Figure 9 is a schematic structural diagram of the pressing unit of the high-speed flexible welding equipment of the present utility model;

[0026] Figure 10 is a schematic structural diagram of the welding mechanism of the high-speed flexible welding equipment of the present utility model;

[0027] Figure 11 is of the high-speed flexible welding equipment of the present utility model Figure 10 enlarged view of part A;

[0028] Figure 12 Schematic structural diagram of the cleaning mechanism of the high-speed flexible welding equipment of the present utility model;

[0029] Figure 13 Schematic diagram of the battery pack and the pad pole of the present utility model.

[0030] 100, carrier; 110, positioning hole;

[0031] 200, conveyor line; 210, blocking unit; 211, blocking cylinder; 212, blocking block;

[0032] 300, lifting mechanism; 310, lifting fixed plate; 320, lifting motor; 330, screw jack; 340, lifting plate; 350, positioning pin;

[0033] 400, pressing mechanism; 410, first Y-axis moving module; 420, first X-axis moving module; 430, pressing mounting plate; 440, pressing unit; 441, pressing cylinder; 442, pressing head; 443, welding avoidance hole;

[0034] 500, welding mechanism; 510, second Y-axis moving module; 520, second X-axis moving module; 530, welding fixed plate; 540, CCD detection unit; 550, laser welding head;

[0035] 600, cleaning mechanism; 610, cleaning column; 620, cleaning lifting cylinder; 630, cleaning seat; 640, cleaning rotating motor; 650, cleaning brush;

[0036] 10, battery pack; 11, battery cell; 20, pad pole. Specific embodiments

[0037] In order to make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model will be given with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0038] It should be noted that when an element is referred to as "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. On the contrary, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the description of this utility model herein are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0040] Please refer to Figure 1 , Figure 2 and Figure 13 , a high-speed flexible welding device, comprising a carrier 100, a conveyor line 200, a lifting mechanism 300, a pressing mechanism 400 and a welding mechanism 500. The carrier 100 is used for loading the battery pack 10 and is placed on the conveyor line 200 for conveying. The lifting mechanism 300 is arranged below the conveyor line 200 and is used for lifting and positioning the conveyed carrier 100. Pressing mechanisms 400 are respectively arranged on both sides of the conveyor line 200, and the pressing mechanisms 400 are used for pressing the pad posts 20 on the battery pack 10. The welding mechanism 500 is erected above the conveyor line 200 and is used for welding the pad posts 20 and the battery core 11 of the battery pack 10.

[0041] Specifically, in this embodiment, when serially welding each battery cell 11 of the battery pack 10 to the pad pole 20 (aluminum bar), the battery pack 10 is placed on the carrier 110, and then the pad pole 20 is placed on the top of the battery cell 11, and both sides of the pad pole 20 are respectively connected to two adjacent battery cells 11. The carrier 100 is placed on the conveyor line 200 for conveying. When the conveyor line 200 drives the carrier 100 to be conveyed to the set position, the lifting mechanism 300 located below the conveyor line 200 is activated to lift and position the carrier 100 on the conveyor line 200. After the carrier 100 is lifted and positioned, the pressing mechanisms 400 on both sides will move and press both sides of the pad pole 20. For example, when the battery pack 10 is a single-row battery pack, one of the pressing mechanisms 400 will press both sides of the pad pole 20 at one end of the battery pack 10, and the other pressing mechanism 400 will press both sides of the pad pole 20 at the other end of the battery pack 10. After both ends of the pad pole 20 are pressed, the welding mechanism 500 moves and first welds the pressed pad pole 20 at one end to the battery cell 11, and then moves to the other end to weld the pressed pad pole 20 at this end to the battery cell 11. And when welding the pad pole 20 at this end to the battery cell 11, the previous pressing mechanism 400 will move to press the pad pole 20 at the rear, and so on in a cycle.

[0042] When the battery pack 10 is a double-row battery pack, one of the pressing mechanisms 400 will press the pad pole 20 at the starting end of one row of the battery pack 10, and the other pressing mechanism 400 will press the pad pole 20 at the starting end of the other row of the battery pack 10. The welding mechanism 500 will also first weld the pressed pad pole 20 to the battery cell 11, and then weld the other pressed pad pole 20 to the battery cell 11. And when welding the latter pressed pad pole 20 to the battery cell 11, the previous pressing mechanism 400 will move to sequentially press the pad pole 20 at the rear, and so on in a cycle until all the pad poles 20 of the battery pack 10 are welded to the battery cells 11, finally realizing the serial welding of the battery cells 11 of the battery pack 10 to the pad poles 20 (aluminum bars). And by repeatedly pressing the pad poles 20 by the two pressing mechanisms 400 and alternately welding by the welding mechanism 500, the utilization rate of the welding mechanism 500 can be greatly improved, and the welding efficiency and welding quality of the battery cells 11 of the battery pack 10 to the pad poles 20 (aluminum bars) can be improved. At the same time, the compatibility and practicability of the welding equipment can also be improved.

[0043] In addition, to facilitate the transportation of the vehicle 100 and the lifting and positioning of the vehicle 100 by the lifting mechanism 300, the conveyor line 200 in this embodiment is a double-speed conveyor chain. The double-speed conveyor chain facilitates the installation and layout of the lifting mechanism 300 and can conveniently realize the lifting of the vehicle 100.

[0044] Please refer to Figure 3 and Figure 5 , to ensure that the conveyor line 200 can transport the vehicle 100 to the set position. Therefore, two sets of blocking units 210 are provided on the conveyor line 200 in this embodiment. One set of blocking units 210 blocks and positions the transported vehicle 100 so that it can cooperate with the lifting mechanism 300 correspondingly. The other set of blocking units 210 is used to block the vehicle 100 transported from the rear. The blocking unit 210 includes a blocking cylinder 211 and a blocking block 212. The blocking cylinder 211 can drive the blocking block 212 to lift and lower. When blocking, the blocking cylinder 211 drives the blocking block 212 to rise upward (in this embodiment, a swinging method is used for lifting and blocking), and the blocking function can be realized. When blocking is no longer required, the blocking cylinder 211 drives the blocking block 212 to reset downward, and the vehicle 100 can be transported again, thereby realizing the transportation and positioning of the vehicle 100.

[0045] Please refer to Figure 4 , Figure 6 and Figure 7 , to ensure the welding quality between the battery cells 11 of the battery pack 10 and the pad posts 20 and to realize the positioning and lifting of the vehicle 100. Therefore, in this embodiment, positioning holes 110 are respectively opened at the four corner positions of the vehicle 100. At the same time, the lifting mechanism 300 includes a lifting fixing plate 310, a lifting motor 320, a screw jack 330, and a lifting plate 340. The lifting motor 320 is installed at the bottom of the lifting fixing plate 310, and screw jacks 330 are provided at the four corner positions of the lifting fixing plate 310. The screw jacks 330 are respectively connected to the lifting motor 320 and the lifting plate 340. The lifting motor 320 drives the screw jacks 330 to work, and the screw jacks 330 drive the lifting plate 340 to lift and lower. Positioning pins 350 corresponding to the positioning holes 110 are respectively provided at the four corner positions of the lifting plate 340.

[0046] When the conveyor line 200 is conveying the carrier 100, the blocking unit 210 will block the carrier 100. At this time, the lifting motor 320 is started and drives the screw lift 330 to work. The screw lift 330 drives the lifting plate 340 to lift upward. During the lifting process, the lifting plate 340 inserts the positioning pin 350 into the positioning hole 110 of the carrier 100 to achieve the positioning of the carrier 100. After the positioning pin 350 is inserted into the positioning hole 110, the lifting plate 340 is still lifted until the carrier 100 on the conveyor line 200 is lifted up and the carrier 100 is separated from the conveyor line 200. Then, the pressing mechanism 400 and the welding mechanism 400 are pressed and welded. The mechanism 500 works to complete the welding between the battery cell 11 of the battery pack 10 and the pad pole 20. After the welding is completed, the lifting motor 320 drives the screw lift 330 to work in the reverse direction, and the screw lift 330 drives the lifting plate 340 to reset downward, and put the carrier 100 back on the conveyor line 200 for transportation, so as to realize the positioning and lifting of the carrier 100, which is convenient for subsequent welding. In addition, by setting the lifting motor 320 and the screw lift 330 at the four corner positions, the reference surface of the lifting plate 340 can be ensured, thereby ensuring that the pad pole 20 has a plane reference when welding with the battery cell 11 of the battery pack 10, thereby improving the welding quality.

[0047] See also Figure 8 and Figure 9 , since the pad pole 20 needs to be pressed and fixed when being welded to the battery cell 11 of the battery pack 10 to prevent it from being displaced during welding, the pressing mechanism 400 in this embodiment includes a first Y-axis moving module 410, a first X-axis moving module 420, a pressing and fixing mounting plate 430 and a pressing and fixing unit 440, the first X-axis moving module 420 is connected to the first Y-axis moving module 410, the first Y-axis moving module 410 drives the first X-axis moving module 420 to move along the Y-axis direction, and the pressing and fixing mounting plate 430 is connected to the first X-axis moving module 420, the first X-axis moving module 420 drives the pressing and fixing mounting plate 430 to move along the X-axis direction, and two groups of pressing and fixing units 440 are arranged side by side on the pressing and fixing mounting plate 430, and the pressing and fixing unit 440 includes a pressing and fixing cylinder 441 and a pressing and fixing head 442, the pressing and fixing cylinder 441 is arranged on the pressing and fixing mounting plate 430, and the pressing and fixing head 442 is connected to the pressing and fixing cylinder 441, the pressing and fixing cylinder 441 drives the pressing and fixing head 442 to move up and down, and the pressing and fixing head 442 is provided with a welding avoidance hole 443.

[0048] After the conveyed vehicle 100 is lifted and positioned by the lifting mechanism 300, the first Y-axis moving module 410 and the first X-axis moving module 420 will drive the pressing and fixing mounting plate 430 to move in the Y-axis and X-axis directions, so that the two pressing and fixing units 440 arranged on the pressing and fixing mounting plate 430 are respectively corresponding to both sides of the pad pole 20. After the positions are corresponding, the pressing cylinder 441 of the pressing and fixing unit 440 will drive the pressing head 442 to move downward. After the pressing head 442 moves to the set position, the pressing head 442 will press both sides of the pad pole 20, so as to avoid the displacement of the pad pole 20 during welding and ensure the welding quality. And after the pressing head 442 presses the pad pole 20, in order to realize the welding of the pad pole 20, a welding avoidance hole 443 is opened on the pressing head 442. Subsequently, during welding, the welding mechanism 500 will weld the pad pole 20 and the battery cell 11 of the battery pack 10 through the welding avoidance hole 443.

[0049] Please refer to Figure 10 and Figure 11 In order to realize the welding of the pad pole 20 and the battery cell 11 of the battery pack 10, the welding mechanism 500 in this embodiment includes a second Y-axis moving module 510, a second X-axis moving module 520, a welding fixing plate 530, a CCD detection unit 540 and a laser welding head 550. The second X-axis moving module 520 is connected to the second Y-axis moving module 510. The second Y-axis moving module 510 drives the second X-axis moving module 520 to move along the Y-axis direction. The welding fixing plate 530 is connected to the second X-axis moving module 520. The second X-axis moving module 520 drives the welding fixing plate 530 to move along the X-axis direction. The CCD detection unit 540 and the laser welding head 550 are respectively installed on the welding fixing plate 530.

[0050] After the pressing and fixing unit 440 presses both sides of the pad pole 20, the second Y-axis moving module 510 and the second X-axis moving module 520 will drive the welding fixing plate 530 to move in the Y-axis and X-axis directions, so that the CCD detection unit 540 and the laser welding head 550 move. The CCD detection unit 540 will grab the two welding points of the pad pole 20. After the grabbing, the laser welding head 550 performs laser welding on the two welding points through the welding avoidance hole 443. After welding the pad pole 20 at one of the pressing mechanisms 400, the second Y-axis moving module 510 and the second X-axis moving module 520 will move the CCD detection unit 540 and the laser welding head 550 to the pad pole 20 at the other pressing mechanism 400, and perform laser welding on the two welding points of the pad pole 20 here. In this way, it circulates alternately until all the battery cells 11 of the battery pack 10 are welded to the pad pole 20.

[0051] Please refer to Figure 1 andFigure 12 When the battery cells 11 of the battery pack 10 are welded to the pad pole 20, the pressing head 442 presses the pad pole 20. When the laser welding head 550 performs welding, welding slag will be generated at the welding avoidance hole 443 of the pressing head 442. Therefore, the high-speed flexible welding equipment in this embodiment further includes two sets of cleaning mechanisms 600. The two sets of cleaning mechanisms 600 are respectively arranged at the ends of the pressing mechanism 400. After a set of battery packs 100 are welded, the pressing unit 440 in the pressing mechanism 400 will move to the cleaning mechanism 600 for cleaning to ensure the subsequent welding quality.

[0052] The cleaning mechanism 600 in this embodiment includes a cleaning column 610, a cleaning lifting cylinder 620, a cleaning seat 630, a cleaning rotating motor 640, and a cleaning brush 650. The cleaning lifting cylinder 620 is installed on the cleaning column 610 and is connected to the cleaning seat 630 to drive the cleaning seat 630 to move up and down. The cleaning rotating motor 640 and the cleaning brush 650 are respectively arranged on the cleaning seat 630, and there are two sets of cleaning brushes 650. The two sets of cleaning brushes 650 are respectively connected to the cleaning rotating motor 640, and the cleaning rotating motor 640 drives the two sets of cleaning brushes 650 to rotate.

[0053] After a set of battery packs 10 are welded, the first Y-axis moving module 410 and the first X-axis moving module 420 will drive the pressing unit 440 to move, so that the pressing head 442 of the pressing unit 440 moves below the cleaning brush 650. At this time, the cleaning lifting cylinder 620 will drive the cleaning seat 630 to move downward. When the cleaning seat 630 moves downward, it will drive the cleaning rotating motor 640 and the cleaning brush 650 to move downward, so that the cleaning brush 650 is placed in the welding avoidance hole 443 of the pressing head 442. The cleaning rotating motor 640 will drive the cleaning brush 650 to rotate, so that the cleaning brush 650 rotates and moves downward at the same time, so as to clean the welding avoidance hole 443 of the pressing head 442, thereby ensuring that the pressing head 442 can press the pad pole 20 again later, avoiding scratching the pad pole 20, and improving the welding quality between the battery cells 11 of the battery pack 10 and the pad pole 20.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry can smoothly implement the present invention as shown in the accompanying drawings of the specification and described above; however, those skilled in this professional field, without departing from the scope of the technical solution of the present invention, make some minor changes, modifications and equivalent changes in the evolution using the technical content disclosed above, which are all equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essence of the present invention still fall within the scope of the technical solution protection of the present invention.

Claims

1. A high-speed flexible welding device, characterized in that: It includes a vehicle, a conveyor line, a lifting mechanism, a pressing mechanism, and a welding mechanism. The vehicle is used to load battery packs and is placed on the conveyor line for transportation. The lifting mechanism is arranged below the conveyor line and is used to lift and position the transported vehicle. Pressing mechanisms are respectively arranged on both sides of the conveyor line. The pressing mechanism is used to press the pad poles on the battery pack, and the welding mechanism is erected above the conveyor line and is used to weld the pad poles and the battery core of the battery pack.

2. The high-speed flexible welding device according to claim 1, characterized in that: Positioning holes are respectively opened at the four corners of the vehicle.

3. The high-speed flexible welding equipment according to claim 1, characterized in that: Two groups of blocking units are arranged on the conveyor line. The blocking units are used to block and limit the transported vehicle, and each blocking unit includes a blocking cylinder and a blocking block. The blocking cylinder can drive the blocking block to move up and down.

4. The high-speed flexible welding device according to claim 2, wherein: The lifting mechanism includes a lifting fixed plate, a lifting motor, a screw jack, and a lifting plate. The lifting motor is installed at the bottom of the lifting fixed plate, and screw jacks are respectively arranged at the four corners of the lifting fixed plate. The screw jacks are respectively connected to the lifting motor and the lifting plate. The lifting motor drives the screw jacks to work, and the screw jacks drive the lifting plate to move up and down. Positioning pins corresponding to the positioning holes are respectively arranged at the four corners of the lifting plate.

5. The high-speed flexible welding device according to claim 1, characterized in that: The pressing mechanism includes a first Y-axis movement module, a first X-axis movement module, a pressing installation plate, and a pressing unit. The first X-axis movement module is connected to the first Y-axis movement module. The first Y-axis movement module drives the first X-axis movement module to move along the Y-axis direction. The pressing installation plate is connected to the first X-axis movement module. The first X-axis movement module drives the pressing installation plate to move along the X-axis direction. Two groups of pressing units are arranged side by side on the pressing installation plate.

6. The high-speed flexible welding device according to claim 5, characterized in that: The pressing unit includes a pressing cylinder and a pressing head. The pressing cylinder is arranged on the pressing installation plate, and the pressing head is connected to the pressing cylinder. The pressing cylinder drives the pressing head to move up and down, and a welding avoidance hole is opened on the pressing head.

7. The high-speed flexible welding device according to claim 1, wherein: The welding mechanism includes a second Y-axis movement module, a second X-axis movement module, a welding fixed plate, a CCD detection unit, and a laser welding head. The second X-axis movement module is connected to the second Y-axis movement module. The second Y-axis movement module drives the second X-axis movement module to move along the Y-axis direction. The welding fixed plate is connected to the second X-axis movement module. The second X-axis movement module drives the welding fixed plate to move along the X-axis direction. The CCD detection unit and the laser welding head are respectively installed on the welding fixed plate.

8. The high-speed flexible welding equipment according to claim 1, wherein: It also includes two groups of cleaning mechanisms, and the two groups of cleaning mechanisms are respectively arranged at the ends of the two groups of pressing mechanisms.

9. The high-speed flexible welding equipment according to claim 8, characterized in that: The cleaning mechanism includes a cleaning column, a cleaning lifting cylinder, a cleaning seat, a cleaning rotation motor, and a cleaning brush. The cleaning lifting cylinder is installed on the cleaning column and is connected to the cleaning seat to drive the cleaning seat to move up and down. The cleaning rotation motor and the cleaning brush are respectively arranged on the cleaning seat. Two groups of cleaning brushes are arranged, and the two groups of cleaning brushes are respectively connected to the cleaning rotation motor. The cleaning rotation motor drives the two groups of cleaning brushes to rotate.

10. The high-speed flexible welding equipment according to claim 1, wherein: The conveyor line is a double-speed conveyor chain.

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