Battery module laser welding equipment

Abstract

The utility model provides battery module laser welding equipment which comprises a pressing dust collection module, a jacking positioning module, an anti-backing module, an industrial robot welding module, a side seam welding station module and a transport trolley, and the side seam welding station module and the pressing dust collection module are distributed on the side face of the industrial robot welding module; the beneficial effects of the utility model are that: after the transport dolly carries the battery module to reach the module welding station, the transport dolly is jacked and fixed by the jacking positioning module, and is pressed by the pressing dust collection module, and the industrial robot carries the laser welding head to weld the battery module, so that the welding efficiency is greatly improved. After work is completed at the module welding station, the jacking and positioning modules are released from fixing and jacking, the conveying trolley enters the side seam welding station, the industrial robot carries the laser welding head to conduct side seam welding after the conveying trolley is jacked and fixed by the other jacking and positioning module, and meanwhile dust collection is conducted by equipment on the conveying trolley.

Description

Technical Field

[0001] The utility model relates to the technical field of battery module laser welding, in particular to a battery module laser welding device. Background Art

[0002] With the development of the new energy market, the demand for batteries is expanding. In the process of assembling battery cells into battery modules, it is necessary to connect components such as busbars to the electrode poles of the battery cells by welding, and connect multiple battery cells in series or in parallel to form the positive and negative poles of the battery module. The pressure head in the welding tooling applies a certain pressure to the busbar and the battery pole, so that the busbar and the battery pole are pressed tightly. Battery welding usually uses electric welding or laser welding. When using laser welding, corresponding welding tools are required for battery cells of different models and sizes to press the busbar onto the electrode pole to ensure the welding effect.

[0003] The prior art retrieved is as follows: The present invention discloses a welding test bench system and a welding control method thereof (publication number CN116786978A), wherein the welding test bench system includes a workbench, a loading vehicle, a positioning fixture and a welding robot, the workbench forms a welding station, the loading vehicle includes a frame, a loading platform and a sliding part, the loading platform is arranged at the top of the frame, the sliding part is arranged at the bottom of the frame, and is used to transport the battery module loaded on the loading platform to the welding station, the positioning fixture is movably installed on the loading platform along the upper side of the battery module in the up-down direction, and is used to position the aluminum bar used for welding, the welding robot is arranged in correspondence with the welding station, and the welding robot includes a welding part, and the welding part is used to weld each battery cell on the battery module. The added aluminum bar is positioned on the battery cell pole of each battery module by using the positioning fixture to ensure the positioning accuracy, and then the aluminum bar and the pole are welded by the welding robot.

[0004] The welding device in the prior art has no dust suction device and cannot process the smoke generated by welding during the welding process, which affects the welding quality. Utility Model Content

[0005] In order to overcome the above problems existing in the prior art, the utility model provides a battery module laser welding device.

[0006] The utility model discloses a battery module laser welding equipment, comprising a compacting and dust suction module, a lifting and positioning module, an anti-backwarding module, an industrial robot welding module, a side seam welding station module and a transport trolley, wherein the side seam welding station module and the compacting and dust suction module are distributed on the side of the industrial robot welding module, and the lifting and positioning module and the anti-backwarding module are installed on the compacting and dust suction module; the compacting and dust suction module is used for compacting the welded battery and removing dust during welding; the lifting and positioning module is used for lifting and positioning the transport trolley; the anti-backwarding module is used for preventing the transport trolley from backing up; the industrial robot welding module is used for welding; the side seam welding station module is used for side seam welding and removing dust; and the transport trolley carries the battery module for welding.

[0007] On this basis, the compression dust collection module includes a frame, a reducer motor, a transmission shaft, a bearing seat, a synchronous belt module, a linear guide rail, a crossbeam, a motor module 1, a mounting plate 1, a motor module 2, a mounting frame, a dust collection pipe, a mounting plate 2, a guide rod 1, a spring 1, a pressure head, a guide rod 2, a spring 2, a baffle, an air pipe joint and a pressure sensor; the frame is placed on the ground, the reducer motor and the synchronous belt module are installed on the frame, the reducer motor transmits power to the synchronous belt module through the transmission shaft, the bearing seat is connected to the transmission shaft, and the linear The guide rail is installed on the frame, the crossbeam is installed on the linear guide rail and connected to the synchronous belt module, the motor module 1 is installed on the crossbeam, the mounting plate 1 is installed on the motor module 1, the motor module 2 is installed on the mounting plate 1, the mounting frame is installed on the motor module 2, the mounting plate 2 is connected to the mounting frame through the guide rod 1, the spring 1 is installed on the guide rod 1, the pressure sensor is installed on the mounting frame, the pressure head is installed on the mounting plate 2 through the guide rod 2, the baffle and the air pipe joint are installed on the pressure head, and the spring 2 is installed on the guide rod 2.

[0008] On this basis, the lifting and positioning module includes a frame one, a cylinder one, a connecting head, a push-pull rod, a wedge block, a rotating shaft, a rotating shaft support, a connecting frame, a positioning block, a guide rail one, a positioning pin and a guide rail two; the frame one is installed on the frame, the cylinder one is installed on the frame one, the push-pull rod is installed between two wedge blocks, the connecting head is installed on the push-pull rod and connected to the cylinder one, the guide rail two is installed on the frame one, the wedge block is connected to the guide rail two, the guide rail one is vertically installed on the frame one, the connecting frame is installed on the guide rail one, the rotating shaft support is installed on the connecting frame, the rotating shaft passes through the rotating shaft support and the wedge block, and the positioning block and the positioning pin are installed at both ends of the upper surface of the connecting frame.

[0009] On this basis, the anti-backward module includes cylinder 2, mounting plate 3, bracket, rotating shaft and stopper; the mounting plate 3 is installed on the frame, the cylinder 2 is installed below the mounting plate 3, the bracket is installed above the mounting plate 3, the rotating shaft is installed on the bracket, and a stopper is provided on the rotating shaft.

[0010] On this basis, the industrial robot welding module includes a base, an industrial robot, a mounting seat, an air knife, a cylinder three, a shading plate, a vision module and a laser welding head; the base is set on the ground and adjacent to the frame, the industrial robot is installed on the base, the mounting seat is installed on the industrial robot, the air knife is installed on the mounting seat, the cylinder three is installed on the mounting seat, the shading plate is installed on the cylinder three, and the vision module and the laser welding head are installed on the mounting seat.

[0011] On this basis, the side seam welding station module includes a frame and at least two welding modules, and the welding module includes a welding bracket, a cylinder four, a floating joint, an upper movable plate, a guide rod, a linear bearing, a lower limit plate, a sealing seat and a dust removal pipe; the frame is arranged on the ground and is arranged adjacent to the other side of the base, the welding bracket is arranged on the frame, the cylinder four is installed at the lower part of the welding bracket and is connected to the upper movable plate through a floating joint, the linear bearing is installed at the upper part of the welding bracket, the guide rod is inserted into the linear bearing to connect the upper movable plate and the lower limit plate, and the sealing seat and the dust removal pipe are installed on the upper movable plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: after the transport trolley loaded with the battery module arrives at the module welding station, the transport trolley is lifted and fixed by the jacking and positioning module, and is pressed by the compacting and dust suction module. The industrial robot uses a laser welding head to weld the battery modules. After the work at the module welding station is completed, the jacking and positioning module is released and the jacking and lifting are released. The transport trolley enters the side seam welding station, and is then lifted and fixed by another set of jacking and positioning modules. The industrial robot uses a laser welding head to weld the side seams, and at the same time, the equipment on the transport trolley performs dust suction. The laser welding head and the compacting and dust suction module are driven by the industrial robot and the servo module respectively, and are highly flexible. Battery modules of various sizes can be welded with high welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the battery module laser welding equipment of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure of the compacting dust collection module of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the compacting dust collection module of the utility model from a top view;

[0016] Figure 4 This is a schematic diagram of the structure of the jacking and positioning module of the utility model;

[0017] Figure 5 This is a structural schematic diagram of the jacking and positioning module of the utility model from another perspective;

[0018] Figure 6 This is a schematic diagram of the structure of the reverse module of the utility model;

[0019] Figure 7 This is a schematic diagram of the structure of the welding module of the industrial robot of the utility model;

[0020] Figure 8 This is a schematic diagram of the module structure of the side seam welding station of the utility model;

[0021] Fig. 9 This is a schematic diagram of the structure of the utility model transport trolley;

[0022] In the figure:

[0023] 1. Compress the dust collection module, 1-1. Frame, 1-2. Reducer motor, 1-3. Drive shaft, 1-4. Bearing seat, 1-5. Synchronous belt module, 1-6. Linear guide rail, 1-7. Beam, 1-8. Motor module 1, 1-9. Mounting plate 1, 1-10. Motor module 2, 1-11. Mounting frame, 1-12. Dust collection pipe, 1-13. Mounting plate 2, 1-14. Guide rod 1, 1-15. Spring 1, 1-16. Pressure head, 1-17. Guide rod 2, 1-18. Spring 2, 1-19. Baffle, 1-20. Air pipe joint, 1-21. Pressure sensor;

[0024] 2. Lifting and positioning module, 2-1. Frame 1, 2-2. Cylinder 1, 2-3. Connector, 2-4. Push-pull rod, 2-5. Wedge block, 2-6. Rotating shaft, 2-7. Rotating shaft support, 2-8. Connecting frame, 2-9. Positioning block, 2-10. Guide rail 1, 2-11. Positioning pin, 2-12. Guide rail 2;

[0025] 3. Anti-backward module, 3-1. Cylinder 2, 3-2. Mounting plate 3, 3-3. Bracket, 3-4. Rotating shaft, 3-5. Stopper;

[0026] 4. Industrial robot welding module, 4-1. Base, 4-2. Industrial robot, 4-3. Mounting seat, 4-4. Air knife, 4-5. Cylinder three, 4-6. Shading plate, 4-7. Vision module, 4-8. Laser welding head;

[0027] 5. Side seam welding station module, 5-1. Frame, 5-2. Welding bracket, 5-3. Cylinder 4, 5-4. Floating joint, 5-5. Upper movable plate, 5-6. Guide rod, 5-7. Linear bearing, 5-8. Lower limit plate, 5-9. Sealing seat, 5-10. Dust removal pipe;

[0028] 6. Transport cart. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0030] The utility model discloses a battery module laser welding device, referring to Figure 1 , including a compacting and dust suction module 1, a lifting and positioning module 2, an anti-backward module 3, an industrial robot welding module 4, a side seam welding station module 5 and a transport trolley 6. The side seam welding station module 5 and the compacting and dust suction module 1 are distributed on the side of the industrial robot welding module 4, and the lifting and positioning module 2 and the anti-backward module 3 are installed on the compacting and dust suction module 1; the compacting and dust suction module 1 is used to compact the welded battery and remove dust during welding; the lifting and positioning module 2 is used to lift and position the transport trolley 6; the anti-backward module 3 is used to prevent the transport trolley 6 from backing up; the side seam welding station module 5 is used for side seam welding and dust removal, and the industrial robot welding module 4 is used for welding; the transport trolley 6 carries the battery module for welding.

[0031] refer to Figure 2 and Figure 3The compression dust collection module 1 includes a frame 1-1, a reducer motor 1-2, a transmission shaft 1-3, a bearing seat 1-4, a synchronous belt module 1-5, a linear guide 1-6, a crossbeam 1-7, a motor module 1-8, a mounting plate 1-9, a motor module 2 1-10, a mounting frame 1-11, a dust collection pipe 1-12, a mounting plate 2 1-13, a guide rod 1-14, a spring 1-15, a pressure head 1-16, a guide rod 2 1-17, a spring 2 1-18, a baffle 1-19, a trachea joint 1-20 and a pressure sensor 1-21; the frame 1-1 is placed on the ground, the reducer motor 1-2 and the synchronous belt module 1-5 are installed on the frame 1-1, the reducer motor 1-2 transmits power to the synchronous belt module 1-5 through the transmission shaft 1-3, and the bearing seat 1-4 is connected to the transmission shaft 1-3, The linear guide 1-6 is installed on the frame 1-1, the crossbeam 1-7 is installed on the linear guide 1-6 and connected to the synchronous belt module 1-5, the motor module 1-8 is installed on the crossbeam 1-7, the mounting plate 1-9 is installed on the motor module 1-8, the motor module 1-10 is installed on the mounting plate 1-9, the mounting frame 1-11 is installed on the motor module 1-10, the mounting plate 1-13 is connected to the mounting frame 1-11 through the guide rod 1-14, the spring 1-15 is installed on the guide rod 1-14, the pressure sensor 1-21 is installed on the mounting frame 1-11, the pressure head 1-16 is installed on the mounting plate 2 1-13 through the guide rod 2 1-17, the baffle 1-19 and the air pipe joint 1-20 are installed on the pressure head 1-16, and the spring 2 1-18 is installed on the guide rod 2 1-17.

[0032] The working principle is: the reducer motor 1-2 will drive the crossbeam 1-7 and other components installed on the synchronous belt module 1-5 to move along the linear guide 1-6 through the transmission shaft 1-3, the motor module 1-8 and the motor module 2 1-10 will respectively provide the Y direction and Z direction movement for the compaction dust collection module 1, the mounting plate 2 1-13 is connected to the mounting frame 1-11 through the guide rod 1-14, the guide rod 1-14 is between the mounting frame 1-11 and the mounting plate 2 1-13, and the spring 1-15 is installed on the guide rod 1-14 When pressing, the distance between the mounting plate 2 1-13 and the mounting frame 1-11 will be shortened, and the distance between the pressure head 1-16 and the mounting plate 2 1-13 will also be shortened. The pressure will be measured by the pressure sensor 1-21 and adjusted by the motor module 2 1-10. After the pressing is cancelled, the mounting plate 2 1-13 and the pressure head 1-16 will return to their initial positions under the action of the spring 1 1-15 and the spring 2 1-18. The air pipe joint 1-20 will supply air to the pressure head 1-16 through external air supply, helping the dust suction pipe 1-12 to completely handle the smoke.

[0033] refer to Figure 4 and Figure 5The lifting and positioning module 2 includes a frame 2-1, a cylinder 2-2, a connector 2-3, a push-pull rod 2-4, a wedge block 2-5, a rotating shaft 2-6, a rotating shaft support 2-7, a connecting frame 2-8, a positioning block 2-9, a guide rail 2-10, a positioning pin 2-11 and a guide rail 2-12; the frame 2-1 is installed on the frame 1-1, the cylinder 2-2 is installed on the frame 2-1, the push-pull rod 2-4 is installed between the two wedge blocks 2-5, the connector 2-3 is installed On the push-pull rod 2-4 and connected to the cylinder 1 2-2, the guide rail 2-12 is installed on the frame 1 2-1, the wedge block 2-5 is connected to the guide rail 2-12, the guide rail 1 2-10 is vertically installed on the frame 1 2-1, the roller frame 2-7 is installed on the guide rail 2-12, the roller 2-6 is installed on the roller frame 2-7, the connecting rod 2-8 is installed on the roller frame 2-7, the positioning block 2-9 is installed on the roller frame 2-7, and the positioning pin 2-11 is installed on the roller frame 2-7.

[0034] The working principle is: when the cylinder 2-2 is extended, it will drive the wedge block 2-5 to move along the guide rail 2-12. At this time, the roller 2-6 will roll on the wedge block 2-5 and move upward along the guide rail 2-10. Then the positioning pin 2-11 will be inserted into the transport trolley 6, and the positioning block 2-9 will lift the transport trolley 6.

[0035] refer to Figure 6 The anti-backward module 3 includes a cylinder 2 3-1, a mounting plate 3-2, a bracket 3-3, a rotating shaft 3-4 and a stopper 3-5; the mounting plate 3-2 is installed on the frame 1-1, the cylinder 2 3-1 is installed below the mounting plate 3-2, the bracket 3-3 is installed above the mounting plate 3-2, the rotating shaft 3-4 is installed on the bracket 3-3, and a stopper 3-5 is provided on the rotating shaft 3-4.

[0036] The working principle is: the anti-backward module 3 will prevent the transport trolley 6 from backing up after the transport trolley 6 is in place, and the block 3-5 will hook the transport trolley 6 to prevent it from backing up. When it needs to be released, the cylinder 2 3-1 rises to lift the block 3-5, and the transport trolley 6 can leave. After the transport trolley 6 leaves, the cylinder 2 3-1 shrinks and the block 3-5 returns to the initial position.

[0037] refer to Figure 7The industrial robot welding module 4 includes a base 4-1, an industrial robot 4-2, a mounting seat 4-3, an air knife 4-4, a cylinder three 4-5, a shading plate 4-6, a vision module 4-7 and a laser welding head 4-8; the base 4-1 is set on the ground and is adjacent to the frame 1-1, the industrial robot 4-2 is installed on the base 4-1, the mounting seat 4-3 is installed on the industrial robot 4-2, the air knife 4-4 is installed on the mounting seat 4-3, the cylinder three 4-5 is installed on the mounting seat 4-3, the shading plate 4-6 is installed on the cylinder three 4-5, and the vision module 4-7 and the laser welding head 4-8 are installed on the mounting seat 4-3.

[0038] The working principle is: the industrial robot welding module 4 will perform the welding operation, the visual module 4-7 will be positioned first, and then the industrial robot 4-2 will move to the specified position, and the cylinder three 4-5 will push the shading plate 4-6 to protect the visual module 4-7 to prevent the laser from damaging the visual module 4-7 during welding, and then the laser welding head 4-8 will weld, and after the welding is completed, the air knife 4-4 will blow away the burrs, and then the shading plate 4-6 will be opened for the next positioning.

[0039] refer to Figure 8 The side seam welding station module 5 includes a frame 5-1 and four welding modules, and the welding modules include a welding bracket 5-2, a cylinder four 5-3, a floating joint 5-4, an upper movable plate 5-5, a guide rod 5-6, a linear bearing 5-7, a lower limit plate 5-8, a sealing seat 5-9 and a dust removal pipe 5-10; the frame 5-1 is set on the ground and is set adjacent to the other side of the base 4-1, the welding bracket 5-2 is set on the frame 5-1, the cylinder four 5-3 is installed at the lower part of the welding bracket 5-2, and is connected to the upper movable plate 5-5 through the floating joint 5-4, the linear bearing 5-7 is installed at the upper part of the welding bracket 5-2, the guide rod 5-6 is inserted into the linear bearing 5-7 to connect the upper movable plate 5-5 and the lower limit plate 5-8, and the sealing seat 5-9 and the dust removal pipe 5-10 are installed on the upper movable plate 5-5. The working principle is: in the side seam welding station module 5, the lifting and positioning module 2 first lifts and positions the transport trolley 6, and the cylinder 4 5-3 pushes the upper movable plate 5-5 through the floating joint 5-4, and moves the lower limit plate 5-8 and other components upward until the sealing seat 5-9 is tightly docked with the transport trolley 6, and dust is removed through the dust removal pipe 5-10.

[0040] The working principle of the utility model is: Figures 1 to 9, the transport trolley 6 carries the battery module into the compacting and dust collecting module 1, the anti-backward module 3 hooks the transport trolley 6, the cylinder 1 2-2 extends, driving the positioning block 2-9 and the positioning pin 2-11 to rise, the positioning pin 2-11 is inserted into the transport trolley 6, the positioning block 2-9 lifts the transport trolley 6, the compacting and dust collecting module 1 moves to the initial position, the motor module 2 1-10 presses down, and stops pressing down after reaching the specified pressure, the industrial robot 4-2 reaches the specified position, the visual module 4-7 is positioned, the cylinder 3 4-5 extends to make the shading plate 4-6 cover the visual module 4-7, the industrial robot 4-2 adjusts its position, the dust collecting pipe 1-12 starts to vacuum, the laser welding head 4 -8 for welding. After the welding is completed, the air knife 4-4 blows air to cut off the burrs. The dust suction pipe 1-12 removes the burrs cut by the air knife 4-4 and then stops vacuuming. The cylinder three 4-5 retracts the shading plate 4-6. The reducer motor 1-2, the motor module one 1-8 and the motor module two 1-10 move to the next position for compaction. Then the industrial robot 4-2 carries the visual module 4-7 for the next positioning and enters the next working cycle until the welding work is completed. The cylinder one 2-2 retracts, the transport trolley 6 falls, the positioning block 2-9 and the positioning pin 2-11 are separated from the transport trolley 6, the cylinder two 3-1 extends, and the block 3-5 is unhooked from the transport trolley 6. Car 6 moves to the side seam welding station module 5, cylinder one 2-2 of the side seam welding station module 5 extends, driving the positioning block 2-9 and the positioning pin 2-11 to rise, the positioning pin 2-11 is inserted into the transport trolley 6, the positioning block 2-9 lifts the transport trolley 6, cylinder four 5-3 extends, and pushes the upper movable plate 5-5 through the floating joint 5-4, the lower limit plate 5-8 and other components move upward until the sealing seat 5-9 is in close contact with the transport trolley 6, the industrial robot 4-2 reaches the specified position, the visual module 4-7 is positioned, the cylinder three 4-5 extends to make the shading plate 4-6 cover the visual module 4-7, the industrial robot 4-2 adjusts its position, and the dust removal pipe 5-10 opens The vacuuming starts, and the laser welding head 4-8 starts welding. After the welding is completed, the air knife 4-4 blows air to cut off the burrs. The dust removal pipe 5-10 removes the burrs cut by the air knife 4-4 and then stops vacuuming. The cylinder three 4-5 retracts the shading plate 4-6, and the industrial robot 4-2 carries the visual module 4-7 for the next positioning and enters the next working cycle until the welding work is completed. The cylinder four 5-3 is retracted, the sealing seat 5-9 is separated from the trolley, the cylinder one 2-2 is retracted, the transport trolley 6 falls, the positioning block 2-9 and the positioning pin 2-11 are separated from the transport trolley 6, the cylinder two 3-1 extends, the block 3-5 is unhooked from the transport trolley 6, and the transport trolley 6 moves to other workstations.

[0041] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0042] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation", "screwing", "pad installation" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0043] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A battery module laser welding device, characterized in that: A compacting and dust collecting module (1), a lifting and positioning module (2), an anti-backward module (3), an industrial robot welding module (4), a side seam welding station module (5) and a transport trolley (6), wherein the side seam welding station module (5) and the compacting and dust collecting module (1) are distributed on the side of the industrial robot welding module (4), and the lifting and positioning module (2) and the anti-backward module (3) are installed on the compacting and dust collecting module (1); The pressing and dust removal module (1) is used to press the welded battery and remove dust during welding; The lifting and positioning module (2) is used to lift and position the transport trolley (6); The anti-backward module (3) is used to prevent the transport trolley (6) from backing up; The industrial robot welding module (4) is used for welding; The side seam welding station module (5) is used for side seam welding and dust removal; The transport trolley (6) carries the battery module for welding.

2. The battery module laser welding equipment according to claim 1, characterized in that: The compacting dust collection module (1) comprises a frame (1-1), a reducer motor (1-2), a transmission shaft (1-3), a bearing seat (1-4), a synchronous belt module (1-5), a linear guide rail (1-6), a crossbeam (1-7), a motor module 1 (1-8), a mounting plate 1 (1-9), a motor module 2 (1-10), a mounting frame (1-11), a dust collection pipe (1-12), a mounting plate 2 (1-13), a guide rod 1 (1-14), a spring 1 (1-15), a pressure head (1-1 6), guide rod 2 (1-17), spring 2 (1-18), baffle (1-19), air pipe joint (1-20) and pressure sensor (1-21); the frame (1-1) is placed on the ground, the reducer motor (1-2) and the synchronous belt module (1-5) are installed on the frame (1-1), the reducer motor (1-2) transmits power to the synchronous belt module (1-5) through the transmission shaft (1-3), the bearing seat (1-4) is connected to the transmission shaft (1-3), and the linear The guide rail (1-6) is mounted on the frame (1-1), the crossbeam (1-7) is mounted on the linear guide rail (1-6) and connected to the synchronous belt module (1-5), the motor module 1 (1-8) is mounted on the crossbeam (1-7), the mounting plate 1 (1-9) is mounted on the motor module 1 (1-8), the motor module 2 (1-10) is mounted on the mounting plate 1 (1-9), the mounting frame (1-11) is mounted on the motor module 2 (1-10), and the mounting plate 2 (1-13) is mounted on the motor module 2 (1-13). ) is connected to the mounting frame (1-11) through a guide rod one (1-14), the spring one (1-15) is mounted on the guide rod one (1-14), the pressure sensor (1-21) is mounted on the mounting frame (1-11), the pressure head (1-16) is mounted on the mounting plate two (1-13) through a guide rod two (1-17), the baffle plate (1-19) and the air pipe joint (1-20) are mounted on the pressure head (1-16), and the spring two (1-18) is mounted on the guide rod two (1-17).

3. The battery module laser welding equipment according to claim 2, characterized in that: The lifting and positioning module (2) comprises a frame (2-1), a cylinder (2-2), a connector (2-3), a push-pull rod (2-4), a wedge block (2-5), a rotating shaft (2-6), a rotating shaft support (2-7), a connecting frame (2-8), a positioning block (2-9), a guide rail (2-10), a positioning pin (2-11) and a guide rail (2-12); the frame (2-1) is mounted on the frame (1-1), the cylinder (2-2) is mounted on the frame (2-1), the push-pull rod (2-4) is mounted between the two wedge blocks (2-5), the connector (2-3) is mounted on the push-pull rod (2-4), and the connector (2-3) is mounted on the push-pull rod (2-5). The pull rod (2-4) is connected to the cylinder one (2-2), the guide rail two (2-12) is installed on the frame one (2-1), the wedge block (2-5) is connected to the guide rail two (2-12), the guide rail one (2-10) is vertically installed on the frame one (2-1), the connecting frame (2-8) is installed on the guide rail one (2-10), the rotating shaft support (2-7) is installed on the connecting frame (2-8), the rotating shaft (2-6) passes through the rotating shaft support (2-7) and the wedge block (2-5), and the positioning block (2-9) and the positioning pin (2-11) are installed at both ends of the upper surface of the connecting frame (2-8).

4. The battery module laser welding equipment according to claim 2, characterized in that: The anti-backward module (3) comprises a second cylinder (3-1), a third mounting plate (3-2), a bracket (3-3), a rotating shaft (3-4) and a stopper (3-5); the third mounting plate (3-2) is mounted on a frame (1-1), the second cylinder (3-1) is mounted below the third mounting plate (3-2), the bracket (3-3) is mounted above the third mounting plate (3-2), the rotating shaft (3-4) is mounted on the bracket (3-3), and a stopper (3-5) is provided on the rotating shaft (3-4).

5. The battery module laser welding equipment according to claim 2, characterized in that: The industrial robot welding module (4) comprises a base (4-1), an industrial robot (4-2), a mounting base (4-3), an air knife (4-4), a cylinder three (4-5), a shading plate (4-6), a vision module (4-7) and a laser welding head (4-8); The base (4-1) is arranged on the ground and adjacent to the frame (1-1); the industrial robot (4-2) is installed on the base (4-1); the mounting seat (4-3) is installed on the industrial robot (4-2); the air knife (4-4) and the cylinder three (4-5) are arranged at the rear end of the mounting seat (4-3); the visual module (4-7) and the laser welding head (4-8) are arranged at the front end of the mounting seat (4-3); and the shading plate (4-6) is installed on the cylinder three (4-5).

6. The battery module laser welding equipment according to claim 5, characterized in that: The side seam welding station module (5) comprises a frame (5-1) and at least two welding modules, wherein the welding modules comprise a welding bracket (5-2), a cylinder four (5-3), a floating joint (5-4), an upper movable plate (5-5), a guide rod (5-6), a linear bearing (5-7), a lower limit plate (5-8), a sealing seat (5-9) and a dust removal pipe (5-10); the frame (5-1) is arranged on the ground and is arranged adjacent to the other side of the base (4-1); the welding The bracket (5-2) is arranged on the frame (5-1), the cylinder four (5-3) is installed at the lower part of the welding bracket (5-2), and is connected to the upper movable plate (5-5) through a floating joint (5-4), the linear bearing (5-7) is installed at the upper part of the welding bracket (5-2), the guide rod (5-6) is inserted into the linear bearing (5-7) to connect the upper movable plate (5-5) and the lower limit plate (5-8), and the sealing seat (5-9) and the dust removal pipe (5-10) are installed on the upper movable plate.

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