Busbar bypass welding integrated machine and welding method thereof

Abstract

The present invention discloses a busbar bypass welding integrated machine and a welding method thereof, wherein the busbar bypass welding integrated machine comprises: a discharge module comprising a busbar discharge device and an EPE film discharge device, the EPE film discharge device is located at one side of the busbar discharge device, the busbar discharge device is used to provide a busbar, and the EPE film discharge device is used to provide an EPE film; a tape sticking module is located at one side of the discharge module, the tape sticking module is used to provide tape, and use the tape to stick the busbar and the EPE film; a first carrier is used to transport the busbar and the EPE film stuck with the tape to the welding area of ​​the return welding module; the return welding module at least comprises a first welding module, a second welding module and a third welding module, and the first welding module, the second welding module and the third welding module are used to weld the head, tail and middle of the bypass busbar respectively. The present invention can realize the welding of the head, tail and middle of the bypass busbar.

Description

Technical Field

[0001] The invention relates to the field of solar cell production, and more specifically to a busbar bypass welding machine integrated machine and a welding method thereof. Background Art

[0002] With the rapid development of global technology and economy, more and cleaner energy is increasingly needed to meet the demand. Solar energy resources do not emit carbon dioxide when generating electricity and have a small environmental burden, so many countries and regions are vigorously developing solar cells as energy sources.

[0003] In the production process of solar panels, busbars are needed to connect the leads of each cell. In order to improve the welding efficiency of busbars, busbar automatic welding machines are widely used to weld busbars. However, when welding the bypass busbars of the cell, the existing busbar welding machines cannot simultaneously achieve integrated welding of the head, tail and middle of the bypass busbars. Summary of the invention

[0004] The object of the present invention is to provide a busbar bypass welding integrated machine and a welding method thereof, and the present invention can realize the integrated welding of the head, tail and middle of the bypass busbar.

[0005] The technical solution is as follows:

[0006] In one embodiment, the present invention discloses a busbar bypass welding integrated machine, including a machine body and:

[0007] A discharge module, the discharge module comprising a busbar discharge device and an EPE film discharge device, the EPE film discharge device is located on one side of the busbar discharge device, the busbar discharge device is used to provide the busbar, and the EPE film discharge device is used to provide the EPE film;

[0008] An adhesive tape module is located on one side of the discharge module, and is used to provide adhesive tape and use the adhesive tape to stick the bus bar and the EPE film;

[0009] The first carrier is used to transport the busbar and the EPE film after being pasted with the tape to the welding area of ​​the return welding module;

[0010] The return welding module at least includes a first welding module, a second welding module and a third welding module. The first welding module, the second welding module and the third welding module are respectively used to weld the head, the tail and the middle of the bypass bus bar.

[0011] The discharge module also includes a discharge substrate and a discharge fixing frame, the discharge fixing frame is fixed on the discharge substrate, and the busbar discharge device and the EPE film discharge device are respectively fixed on two opposite sides of the discharge fixing frame.

[0012] The tape applying module includes a tape applying substrate, a tape applying device and a tape applying moving device, wherein the tape applying moving device is located at one side of the tape applying substrate, the tape applying device is movably arranged on the tape applying moving device, and the tape applying device is located above the tape applying substrate.

[0013] The tape sticking device includes a tape unloading mechanism, a tape feeding mechanism, a tape pasting mechanism and a tape cutting mechanism. The tape is placed on the tape unloading mechanism. The tape on the tape unloading mechanism enters the tape pasting mechanism after passing through the tape feeding mechanism. The tape cutting mechanism is located on one side of the tape feeding mechanism.

[0014] The tape feeding mechanism includes a tape guide plate, a tape grabbing assembly and a tape guiding assembly. The tape enters the tape guide plate from the tape unloading mechanism and then passes through the tape grabbing assembly and the tape guiding assembly before entering the tape sticking mechanism. The tape cutting mechanism is located on one side of the tape guide plate and is used to cut the tape on the tape guide plate.

[0015] The tape applying device also includes a tape clamping mechanism, which is located below the tape guide plate. The tape clamping mechanism includes a tape clamp and a clamp driving component, which is connected to the tape clamp, and the clamp driving component controls the opening and closing of the tape clamp.

[0016] The tape grabbing assembly includes a tape grabbing moving part and a tape grabbing suction cup, the tape grabbing suction cup is connected to the tape grabbing moving part, the tape grabbing suction cup is located on one side of the tape guide plate, and the tape grabbing moving part can drive the tape grabbing suction cup to move left and right relative to the tape guide plate.

[0017] The tape guiding assembly is located between the tape grabbing assembly and the tape sticking mechanism. The tape grabbing assembly and the tape sticking mechanism are both connected to the tape guiding assembly. The tape grabbing assembly and the tape sticking mechanism are vertically arranged.

[0018] The correction welding module also includes a battery cell correction device and a material suction lifting device. The battery cell correction device is located below the first welding module, the second welding module, and the third welding module. The material suction lifting device is located above the battery cell correction device. The first welding module, the second welding module, and the third welding module are respectively located on both sides and the middle of the material suction lifting device.

[0019] In another embodiment, the present invention further discloses a busbar bypass welding method, comprising the following steps:

[0020] Providing a busbar bypass welding integrated machine as described in any one of the above items;

[0021] Transfer the busbar and EPE film after being taped to the welding area of ​​the return welding module;

[0022] The first welding module, the second welding module and the third welding module respectively weld the head, the tail and the middle of the bus bar.

[0023] The advantages or principles of the present invention are described below:

[0024] The busbar bypass welding integrated machine of the present invention comprises a material discharge module, a tape sticking module, a first carrier, and a return welding module, wherein the return welding module comprises at least a first welding module, a second welding module, and a third welding module, wherein the first welding module, the second welding module, and the third welding module respectively weld the head, the tail, and the middle of the bypass busbar as a whole. The present invention can realize the welding of the head, the tail, and the middle of the bypass busbar, and the present invention can also be compatible with the pasting of the busbar and the EPE film at the same time, and has strong compatibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a structural diagram of one of the battery cells welded by the busbar bypass welding integrated machine of this embodiment;

[0026] Figure 2 Schematic diagram of the structure of the busbar bypass welding machine of this embodiment;

[0027] Figure 3 is a top view of the busbar bypass welding integrated machine of this embodiment;

[0028] Figure 4 is a schematic structural diagram of the busbar discharge device of this embodiment;

[0029] Figure 5 Schematic diagram of the structure of the EPE film discharge device of this embodiment;

[0030] Figure 6 is a schematic structural diagram of a second carrier device of this embodiment;

[0031] Figure 7 is a structural schematic diagram of the adhesive tape application module of this embodiment;

[0032] Figure 8 is a schematic structural diagram of the tape applying device of this embodiment;

[0033] Fig. 9is a structural schematic diagram of the tape applying mechanism of this embodiment;

[0034] Fig.10 is a structural schematic diagram of the correction welding module and the first carrier device of this embodiment;

[0035] Fig.11 is a schematic structural diagram of the material suction and lifting device and the first carrier device of this embodiment;

[0036] Fig.12 is a partial structural schematic diagram of the correction welding module of this embodiment;

[0037] Description of reference numerals:

[0038] 1. Body; 2. Discharging module; 3. Tape sticking module; 4. First carrier; 5. Return welding module; 6. Battery cell; 61. Head; 62. Tail; 63. Middle; 64. Bypass bus bar; 7. Bus bar discharging device; 8. EPE film discharging device; 9. Discharging substrate; 10. Discharging fixing frame; 71. Bus bar discharging mechanism; 72. Bus bar pulling mechanism; 81. EPE film discharging mechanism; 82. EPE film pulling mechanism; 11. Return driving member; 12. Camshaft; 13. Cam; 14 , busbar alignment plate; 41, transport and moving assembly; 42, transport and suction assembly; 43, suction cup; 31, tape substrate; 32, tape device; 33, tape moving device; 331, tape moving conveyor belt; 332, tape moving drive member; 321, tape unwinding reel; 322, tape guide plate; 323, tape grabbing assembly; 324, tape guide assembly; 325, tape sticking mechanism; 3231, tape grabbing moving unit; 3232, tape grabbing suction cup; 3251, tape sticking moving unit 3252, tape sticking suction cup; 34, cutting drive; 36, cutting knife; 37, tape clamp; 38, clamping moving drive; 391, width limit plate; 392, width adjustment rod; 50, first welding module; 51, second welding module; 53, third welding module; 53, battery cell correction device; 54, suction lifting device; 541, suction mechanism; 542, lifting mechanism; 5421, lifting drive assembly; 5422, lifting guide rail; 5411, suction moving guide rail; 5412, suction Material assembly; 55, first welding substrate; 501, first slide rail; 56, first sliding drive member; 57, first sliding guide rail; 58, first slider; 15, second carrier; 151, second carrier moving assembly; 152, second carrier suction assembly; 153, second carrier suction cup 153; 41, first carrier moving assembly; 42, first carrier suction assembly; 43, first carrier suction cup; 411, first carrier substrate; 412, second sliding drive member; 413, second sliding guide rail; 414, second slider. DETAILED DESCRIPTION

[0039] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "middle", "inside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0040] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0041] like Figures 1 to 3 As shown, the present invention discloses a busbar bypass welding integrated machine in one embodiment, including a machine body 1 and a material discharge module 2, a tape application module 3, a first carrier device 4, and a return welding device 5 located on the machine body 1. Figure 1 As shown in the middle battery cell 6 , the busbar bypass 64 welding integrated machine of this embodiment can realize welding of the head 61 , tail 62 , middle part 63 of the bypass busbar of the battery cell 6 .

[0042] The discharge module 2 includes a busbar discharge device 7 and an EPE film discharge device 8. Furthermore, the EPE film discharge device 8 is located on one side of the busbar discharge device 7. The busbar discharge device 7 is used to provide busbars, and the EPE film discharge device 8 is used to provide EPE films. The discharge module 2 also includes a discharge substrate 9 and a discharge fixing frame 10. The discharge fixing frame 10 is fixed on the discharge substrate 9. The busbar discharge device 7 and the EPE film discharge device 8 are respectively fixed on the opposite sides of the discharge fixing frame 10.

[0043] Preferably, there are two material discharge fixing frames 10 , bus bar discharge devices 7 , and EPE film discharge devices 8 , and the two material discharge fixing frames 10 , bus bar discharge devices 7 , and EPE film discharge devices 8 are respectively located at opposite ends of the material discharge substrate 9 .

[0044] like Figure 4 As shown, the busbar unloading device 7 includes a busbar unloading mechanism 71, a busbar pulling mechanism 72 and a busbar cutting mechanism, wherein the busbar unloading mechanism 71 includes at least one busbar unwinding shaft and one busbar guide shaft, the rolled busbar is mounted on the busbar unwinding shaft, the busbar unwinding shaft is driven to rotate by the unwinding motor to unwind the busbar, and the unwound busbar passes through the busbar guide shaft and then is discharged. The busbar cutting mechanism includes a busbar cutting drive and a busbar cutter, the busbar cutting drive is connected to the busbar cutter, the busbar cutting drive drives the busbar cutter to move and then cut the busbar. The busbar pulling mechanism 72 includes a busbar pulling drive and a busbar pulling nozzle assembly, the busbar pulling drive is connected to the busbar pulling nozzle assembly, the busbar pulling drive drives the busbar pulling nozzle assembly to move, and the busbar pulling nozzle assembly is used to pull out the busbar. The busbar cutting drive component and the busbar pulling drive component are one of a drive motor, a cylinder, a hydraulic cylinder and the like.

[0045] like Figure 5 As shown, the EPE film unloading device 8 at least includes an EPE film unloading mechanism 81, an EPE film pulling mechanism 82 and an EPE film cutting mechanism. The EPE film unloading mechanism 81 includes at least one EPE film unwinding shaft and one busbar guide shaft, preferably, two EPE film unwinding shafts, and the rolled EPE film is installed on the EPE film unwinding shaft. The EPE film unwinding shaft is driven by an unwinding motor to rotate to unwind the EPE film, and the unwound EPE film passes through the EPE film guide shaft and then is discharged. The EPE film cutting mechanism includes an EPE film cutting drive and an EPE film cutter. The EPE film cutting drive is connected to the EPE film cutter, and the EPE film cutting drive drives the EPE film cutter to move and then cut the EPE film. The EPE film drawing mechanism 82 includes an EPE film drawing drive and an EPE film drawing nozzle assembly, wherein the EPE film drawing drive is connected to the EPE film drawing nozzle assembly, and the EPE film drawing drive drives the EPE film drawing nozzle assembly to move, and the EPE film drawing nozzle assembly is used to pull out the EPE film. The EPE film cutting drive and the EPE film drawing drive are one of a driving motor, a cylinder, a hydraulic cylinder, etc.

[0046] The discharge module 2 also includes a correction device, which is located on one side of the busbar discharge device 7. The correction device includes a correction drive 11, a camshaft 12, multiple cams 13, a position sensor and multiple busbar correction plates 14. The correction drive 11 is connected to the camshaft 12, and the multiple cams 13 are respectively fixed on the camshaft 12. The position sensor is fixed to one end of the camshaft 12, and the multiple cams 13 are respectively connected to the multiple busbar correction plates 14.

[0047] like Figure 6 As shown, preferably, the busbar bypass welding machine of this embodiment further includes a second carrier 15, the second carrier 15 includes a second carrier moving component 151 and a second carrier suction component 152, the second carrier moving component 151 is connected to the second carrier suction component 152, the second carrier moving component 151 drives the second carrier suction component 152 to move up and down and left and right, and a plurality of second carrier suction cups 153 are provided on the second carrier suction component 152. After the busbar discharge device 7 provides the busbar, the second carrier 15 transfers the busbar to the tape module, and after the EPE film discharge device 8 provides the EPE film, the second carrier 15 transfers the EPE film to the tape module 3, and stacks the busbar and the EPE film together, and then the tape module 3 adheres the busbar and the EPE film together, and the busbar and the EPE film adhered with the tape are transferred to the transfer station.

[0048] like Figures 7 to 9 As shown, the tape module 3 is located on one side of the discharge module 2. The tape module 3 is used to provide tape and use the tape to stick the busbar and the EPE film. The tape module 3 includes a tape substrate 31, a tape device 32 and a tape moving device 33. The tape moving device 33 is located on one side of the tape substrate 31. The tape device 32 is movably arranged on the tape moving device 33. The tape device 32 is located above the tape substrate 31.

[0049] The tape moving device 33 includes a tape moving conveyor belt 331 and a tape moving driving member 332. The tape device 32 is located on the tape moving conveyor belt 331. The tape moving driving member 332 is connected to the tape moving conveyor belt 331. The tape moving driving member 332 drives the tape moving conveyor belt 331 to rotate, thereby driving the tape device 32 to move. The tape moving driving member 332 is a driving motor.

[0050] Furthermore, the tape sticking device 32 includes a tape unloading mechanism, a tape feeding mechanism, a tape sticking mechanism 325 and a tape cutting mechanism. The tape is placed on the tape unloading mechanism. The tape on the tape unloading mechanism enters the tape sticking mechanism 325 after passing through the tape feeding mechanism. The tape cutting mechanism is located on one side of the tape feeding mechanism.

[0051] Furthermore, the tape unloading mechanism includes a tape unloading reel 321, on which the rolled tape is placed, and the tape unloading reel is driven by an unloading motor to rotate to unwind the busbar. The tape feeding mechanism includes a tape guide plate 322, a tape grabbing assembly 323, and a tape guide assembly 324. The tape enters the tape guide plate 322 from the tape unloading mechanism, passes through the tape grabbing assembly 323 and the tape guide assembly 324, and then enters the tape sticking mechanism 325. The tape cutting mechanism is located on one side of the tape guide plate 322, and the tape cutting mechanism is used to cut the tape on the tape guide plate 322.

[0052] The tape guiding component 324 is located between the tape grabbing component 323 and the tape sticking mechanism 325 . The tape grabbing component 323 and the tape sticking mechanism 325 are both connected to the tape guiding component 324 . The tape grabbing component 323 and the tape sticking mechanism 325 are vertically arranged.

[0053] The tape grabbing assembly 323 includes a tape grabbing moving part 3231 and a tape grabbing suction cup 3232, wherein the tape grabbing suction cup 3232 is connected to the tape grabbing moving part 3231, and the tape grabbing suction cup 3232 is located on one side of the tape guide plate 322, and the tape grabbing moving part 3231 can drive the tape grabbing suction cup 3232 to move left and right relative to the tape guide plate.

[0054] The tape sticking mechanism 325 includes a tape sticking moving part 3251 and a tape sticking suction cup 3252 . The tape sticking suction cup 3252 is connected to the tape sticking moving part 3251 . The tape sticking moving part 3251 drives the tape sticking suction cup 3252 to move up and down.

[0055] The tape cutting mechanism includes a cutting drive member 34 and a cutting knife 36 . The cutting drive member 34 is connected to the cutting knife 36 . The cutting drive member 34 drives the cutting knife 36 to move closer to or away from the tape feeding mechanism.

[0056] In order to facilitate the cutting of the tape, the tape applying device 32 further includes a tape clamping mechanism, which is located below the tape guide plate 322. The tape clamping mechanism includes a tape clamp 37 and a clamp driving member, which is connected to the tape clamp 37 and controls the opening and closing of the tape clamp 37. The tape clamping mechanism further includes a clamping moving driving member 38, which is connected to the tape clamp 37 and drives the tape clamp 37 to move up and down relative to the tape guide plate 322.

[0057] In the process of the tape applying device 32 being driven by the tape applying device 33 to move, the tape is released through the tape guide plate 322, and then the clamping moving driving member 38 drives the tape clamping pliers to move upward to clamp the tape, and the clamping moving driving member 38 drives the tape clamping pliers to move downward to pull out the tape of a specified length. Then the tape grabbing moving part 3231 drives the tape grabbing suction cup 3232 to move in the direction close to the guide plate 322, and the tape grabbing suction cup 3232 absorbs the tape, and then the cutting driving member 34 drives the cutting knife 36 to cut the tape, and then the tape clamping pliers release the tape. Then the tape grabbing moving part 3231 drives the tape grabbing suction cup 3232 to move in the direction away from the guide plate 322, and after the tape passes through the tape guide assembly 324 and rotates, the tape is sucked by the tape sticking suction cup, and the tape grabbing suction cup 3232 releases the tape. The tape sticking suction cup moves to a predetermined tape sticking position on the tape sticking substrate 31 , and the tape sticking moving part 3251 drives the tape sticking suction cup to move downward, and sticks the tape on the bus bar and the EPE film.

[0058] In this embodiment, while the tape sticking mechanism 325 is sticking the tape, the tape unwinding mechanism and the tape feeding mechanism can take the tape at the same time, thereby improving the sticking efficiency.

[0059] The adhesive tape device 32 of this embodiment further includes a plurality of width adjustment mechanisms, the width adjustment mechanisms including two width limiting plates 391 and a width adjustment rod 392 arranged opposite to each other, the two width limiting plates 391 are respectively movably arranged on the width adjustment rod 392, the two width limiting plates 391 are respectively located on opposite sides of the adhesive tape substrate 31, and a width limiting portion is formed between the two width limiting plates 391. In this embodiment, by adjusting the positions of the two width limiting plates 391 on the width adjustment rod 392, the distance between the two width limiting plates 391 can be adjusted, and then the width limiting portion can be adjusted, and the width limiting portion is used to limit the width of the EPE film.

[0060] like Fig. 9 , Fig.10As shown, the first transfer device 4 includes a first carrying and moving component 41 and a first carrying and sucking component 42, and the first carrying and moving component 41 is connected to the first carrying and sucking component 42. The first carrying and moving component 41 drives the first carrying and sucking component 42 to move up and down and left and right, and a plurality of first carrying suction cups 43 are arranged on the first carrying and sucking component 42. The first carrying and moving component 41 includes a first carrying substrate 411, a second sliding driving member 412, a second sliding guide rail 413 and a second slider 414 connected to the second sliding guide rail 413, the second sliding driving member 412 drives the second slider 414 to run on the second sliding guide rail 413, the first carrying substrate 411 is connected to the second slider 414, and the first carrying and sucking component 42 is connected to the first carrying substrate 412. The second sliding driving member 412 can drive the second welding substrate 414 to run along the second sliding guide rail 413 to drive the first carrying suction cup 43 to move, thereby transferring the busbar and EPE film adhered with tape on the transfer table to the welding area of ​​the return welding module.

[0061] like Figures 10 to 12 As shown, the correction welding module 5 includes a first welding module 50, a second welding module 51, a third welding module 52, a cell correction device 53 and a material suction lifting device 54. The cell correction device 53 is located below the first welding module 50, the second welding module 51 and the third welding module 53. The first welding module 50, the second welding module 51 and the third welding module 52 are respectively located on both sides and the middle of the material suction lifting device 54. After the cell correction device 53 transports the cell 6 to the bottom of the material suction lifting device 54, the material suction lifting device 54 sucks the cell 6 and drives it to rise or fall.

[0062] The cell correcting device 53 is the same as the prior art, including a conveyor belt and a cell correcting assembly. The cell correcting assembly includes a cell correcting piece and a cell correcting plate. The cell correcting piece is connected to the cell correcting plate, and the cell correcting piece drives the cell correcting plate to correct the cells on the conveyor belt.

[0063] The material suction and lifting device 54 includes a material suction mechanism 541 and a lifting mechanism 542. The lifting mechanism 542 includes a lifting drive component 5421 and at least four lifting guide rails 5422. The lifting drive component 5421 is connected to the material suction mechanism 541, and the lifting drive component 5421 drives the material suction mechanism 541 to move up and down on the lifting guide rails 5422.

[0064] Furthermore, the suction mechanism 541 includes a suction moving guide rail 5411 and a plurality of suction components 5412, and the suction components 5412 are provided with a plurality of battery cell suction cups. The suction components 5412 are placed on the suction guide rail, and the position of the suction components 5412 on the suction guide rail can be adjusted manually.

[0065] The correction welding module 5 also includes a first welding substrate 55, wherein the third welding module 52 is fixed on the first welding substrate 55, and the first welding module 50 and the second welding module 51 are movably arranged on the first welding substrate 55. The third welding module 52 is located between the first welding module 50 and the second welding module 51. The first welding module 50 and the second welding module 51 are respectively provided with a first slide rail 501 at the bottom, and the first welding module 50 and the second welding module 51 are respectively connected to a driving cylinder, and the driving cylinder drives the first welding module 50 and the second welding module 51 to move on the first slide rail 501. Through the movement of the first welding module 50 and the second welding module 51, the first welding module 50, the second welding module 51, and the third welding module 52 can be applied to the welding of different types of battery cells 6.

[0066] The correction welding module 5 also includes a first sliding assembly, which includes a first sliding drive 56, a first sliding guide 57, and a first slider 58 connected to the first sliding guide 57. The first sliding drive 56 drives the first slider 58 to run on the first sliding guide 57, and the first welding base plate 55 is connected to the first slider 58. The first sliding drive 56 can drive the first welding base plate 55 to run along the first sliding guide 57 to drive the first welding module 50, the second welding module 51 and the third welding module 52 to weld the head 61, the tail 62 and the middle 63 of the bypass fluid, thereby improving the welding efficiency. The first sliding drive 56 is a cylinder or a linear motor.

[0067] The first welding module 50, the second welding module 51, and the third welding module 54 of this embodiment can be used for welding the bus bar and the battery cell 6 by electromagnetic welding, laser welding, hot air welding, electric soldering iron welding, and spotlight welding. Among them, the electromagnetic welding converts electromagnetic energy into mechanical energy to complete welding. Accordingly, the first welding module 50, the second welding module 51, and the third welding module 52 are electromagnetic induction heads; the laser welding uses a high-energy-density laser beam as a heat source to locally heat the welded workpiece to complete welding. Accordingly, the first welding module 50, the second welding module 51, and the third welding module 52 are laser heads. The laser head emits a high-energy-density laser beam to connect the bus bar and the lead of the battery cell 6; the hot air welding uses preheated compressed air to heat the workpiece. The compressed air or inert gas is used as a heat source to heat and then complete the welding. Accordingly, the first welding module 50, the second welding module 51, and the third welding module 52 are hot air pipes. A heating wire is arranged in the hot air pipe. The air is heated by the heating wire. The hot air pipe uses the heated compressed air or inert gas to heat the bus bar and the battery cell 6 to connect them. The spotlight welding heats the end bus bar and the lead of the battery cell 6 by a spotlight to complete the welding. Accordingly, the first welding module 50, the second welding module 51, and the third welding module 52 are spotlight boxes.

[0068] In one embodiment, the present invention further discloses a busbar bypass welding method, comprising the following steps:

[0069] Providing a busbar bypass welding integrated machine as described above;

[0070] Provide busbars and EPE films, and use adhesive tape to stick the busbars and EPE films together;

[0071] The pasted busbar and EPE film are transferred to the welding area of ​​the return welding module 5;

[0072] The first welding module 50 , the second welding module 51 , and the third welding module 52 respectively weld the head, tail, and middle of the busbar.

[0073] The implementation methods of the present invention are not limited to this. According to the above content of the present invention, using common technical knowledge and customary means in the field, without departing from the above-mentioned substrate technical ideas of the present invention, the present invention can also make other various forms of modification, replacement or combination, all of which fall within the scope of protection of the present invention.

Claims

1. Bus bar bypass welding integrated machine, characterized in that, Includes the body and located on the body: A discharge module, wherein the discharge module comprises a busbar discharge device and an EPE film discharge device, wherein the EPE film discharge device is located at one side of the busbar discharge device, wherein the busbar discharge device is used to provide a busbar, and wherein the EPE film discharge device is used to provide an EPE film; the discharge module also comprises a discharge substrate and a discharge fixing frame, wherein the discharge fixing frame is fixed on the discharge substrate, and wherein the busbar discharge device and the EPE film discharge device are respectively fixed on two opposite sides of the discharge fixing frame; the discharge module also comprises a correction device, wherein the correction device is located at one side of the busbar discharge device, wherein the correction device comprises a correction driving member, a camshaft, a plurality of cams, a position sensor and a plurality of busbar correction plates, wherein the correction driving member is connected to the camshaft, wherein a plurality of the cams are respectively fixed on the camshaft, wherein the position sensor is fixed to one end of the camshaft, and wherein the plurality of the cams are respectively connected to a plurality of the busbar correction plates; A tape pasting module is located at one side of the discharge module, and the tape pasting module is used to provide tape and use the tape to stick the busbar and the EPE film; the tape pasting module includes a tape pasting substrate, a tape pasting device and a tape pasting moving device, the tape pasting moving device is located at one side of the tape pasting substrate, the tape pasting device is movably arranged on the tape pasting moving device, and the tape pasting device is located above the tape pasting substrate; the tape pasting device includes a plurality of width adjustment mechanisms, the width adjustment mechanisms include two width limiting plates and a width adjustment rod that are relatively arranged, the two width limiting plates are movably arranged on the width adjustment rod, the two width limiting plates are respectively located on the opposite sides of the tape pasting substrate, a width limiting part is formed between the two width limiting plates, and the distance between the two width limiting plates can be adjusted by adjusting the positions of the two width limiting plates on the width adjustment rod, thereby adjusting the width limiting part, and the width limiting part is used to limit the width of the EPE film; The first carrier is used to transport the busbar and the EPE film after being pasted with the tape to the welding area of ​​the return welding module; The return welding module comprises at least a first welding module, a second welding module and a third welding module, wherein the first welding module, the second welding module and the third welding module are respectively used to weld the head, the tail and the middle of the bypass bus bar; The correction welding module also includes a battery cell correction device and a material suction lifting device. The battery cell correction device is located below the first welding module, the second welding module, and the third welding module. The material suction lifting device is located above the battery cell correction device. The first welding module, the second welding module, and the third welding module are respectively located on both sides and the middle of the material suction lifting device.

2. The busbar bypass welding integrated machine according to claim 1, characterized in that: The tape sticking device includes a tape unloading mechanism, a tape feeding mechanism, a tape pasting mechanism and a tape cutting mechanism. The tape is placed on the tape unloading mechanism. The tape on the tape unloading mechanism enters the tape pasting mechanism after passing through the tape feeding mechanism. The tape cutting mechanism is located on one side of the tape feeding mechanism.

3. The busbar bypass welding integrated machine according to claim 2, characterized in that: The tape feeding mechanism includes a tape guide plate, a tape grabbing assembly and a tape guiding assembly. The tape enters the tape guide plate from the tape unloading mechanism and then passes through the tape grabbing assembly and the tape guiding assembly before entering the tape sticking mechanism. The tape cutting mechanism is located on one side of the tape guide plate and is used to cut the tape on the tape guide plate.

4. The busbar bypass welding integrated machine as claimed in claim 3, characterized in that: The tape applying device also includes a tape clamping mechanism, which is located below the tape guide plate. The tape clamping mechanism includes a tape clamp and a clamp driving component, which is connected to the tape clamp, and the clamp driving component controls the opening and closing of the tape clamp.

5. The busbar bypass welding integrated machine as claimed in claim 3, characterized in that: The tape grabbing assembly includes a tape grabbing moving part and a tape grabbing suction cup, the tape grabbing suction cup is connected to the tape grabbing moving part, the tape grabbing suction cup is located on one side of the tape guide plate, and the tape grabbing moving part can drive the tape grabbing suction cup to move left and right relative to the tape guide plate.

6. The busbar bypass welding integrated machine as claimed in claim 3, characterized in that: The tape guiding assembly is located between the tape grabbing assembly and the tape sticking mechanism. The tape grabbing assembly and the tape sticking mechanism are both connected to the tape guiding assembly. The tape grabbing assembly and the tape sticking mechanism are vertically arranged.

7. A busbar bypass welding method, characterized in that: The steps include: Provide a busbar bypass welding integrated machine as described in any one of claims 1 to 6; Provide busbars and EPE films, and use adhesive tape to stick the busbars and EPE films together; Transfer the pasted busbar and EPE film to the welding area of ​​the return welding module; The first welding module, the second welding module and the third welding module respectively weld the head, the tail and the middle of the bus bar.

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