CN212761879U - Bus bar welding machine - Google Patents

Abstract

The utility model discloses a bus bar welding machine, this welding machine include the main part, and be located the main part: the bus bar provides module, battery piece module, welding module of rectifying, and welding module is located the below of battery piece module of rectifying, the bus bar provides the module and still includes the first making devices of bus bar, the first making devices of bus bar includes bus bar preparation support, a plurality of bus bar retooling boards and bus bar retooling mechanism at least, and a plurality of bus bar retooling boards are arranged in proper order on the length direction of bus bar preparation support, and is a plurality of the bus bar retooling board is equipped with the bus bar guide slot of a plurality of different widths on the width direction, the bus bar retooling mechanism respectively with a plurality of the bus bar retooling board links to each other. The utility model discloses a welding machine can be simultaneously compatible battery piece rectify and correct and the welding of rectifying, simultaneously the utility model discloses a welding machine still can accomplish the regulation remodelling of busbar automatically, the used time of remodelling is shorter.

Description

Bus bar welding machine

Technical Field

The utility model relates to a busbar welding machine.

Background

In the production process of the solar cell panel, the bus bar is required to be used for connecting the lead wires of the cells, and in order to improve the welding efficiency of the bus bar, an automatic bus bar welding machine is widely used for welding the bus bar. Before the welding of the battery piece, deviation rectification is needed, so that the alignment of the position to be welded on the battery piece and the final welding position is ensured. However, in the process of implementing the invention, the inventor finds that the following problems exist in the prior art: the existing welding machine can only carry out welding operation generally, and if correction and deviation rectification are needed, correction and deviation rectification equipment is needed to be matched with the welding machine for use. Meanwhile, the existing welding machine is generally only suitable for manufacturing the bus bars of the same type, if the bus bars of different types need to be manufactured, manual type changing and machine adjusting are needed, manual type changing and adjusting need one day, and the type changing and machine adjusting time is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bus bar welding machine, the utility model discloses a deviation rectification of compatible battery piece is corrected and is welded simultaneously to the welding machine can be simultaneously the utility model discloses a welding machine still can accomplish the regulation remodelling of bus bar automatically, and the used time of remodelling is shorter.

The technical scheme is as follows:

the utility model discloses an embodiment provides a bus bar welding machine, include the main part and be located the main part:

a bus bar providing module for providing a bus bar, the bus bar providing module including a bus bar transfer device that transfers the bus bar to a welding zone of a welding module;

the battery piece deviation rectifying module is used for providing a battery piece, rectifying the deviation of the battery piece and placing the battery piece after the deviation rectification in a preset area of the welding module, and the battery piece comprises a lead;

the welding module is positioned below the battery plate deviation rectifying module and at least comprises a welding device, and the welding device is used for welding a bus bar transferred to the welding module and a lead of a battery plate;

the bus bar providing module further comprises a first bus bar manufacturing device, the first bus bar manufacturing device at least comprises a bus bar manufacturing support, a plurality of bus bar changing plates and a bus bar changing mechanism, the bus bar changing plates are sequentially arranged in the length direction of the bus bar manufacturing support, the bus bar changing plates are multiple in number, a plurality of bus bar guide grooves with different widths are formed in the width direction of the bus bar changing plates, and the bus bar changing mechanism is respectively connected with the bus bar changing plates.

The bus bar model changing mechanism comprises a width model changing assembly, the width model changing assembly comprises a width model changing driving piece and a width model changing driving plate, the width model changing driving piece is connected with the width model changing driving plate, and the bus bar model changing plates are located on the width model changing driving plate.

The bus bar model changing mechanism further comprises a length model changing assembly, the length model changing assembly comprises two length model changing driving parts, two transmission parts and three length model changing parts, the three length model changing parts are arranged on the bus bar model changing plate in a spanning mode, the two length model changing driving parts are respectively connected with the two length model changing parts, the two length model changing driving parts respectively drive the two length model changing parts to move left and right in the length direction of the bus bar model changing plate, and the two length model changing parts are respectively connected with the other length model changing part through the two transmission parts.

The first manufacturing device of busbar still includes draws material mechanism, draw material mechanism includes unable adjustment base, removal base subassembly, brace mouth subassembly, it is located to remove the base subassembly on the unable adjustment base, it can remove on unable adjustment base to remove the base subassembly, brace mouth subassembly with it links to each other to remove the base subassembly, be equipped with the brace mouth on the brace mouth subassembly, the last busbar that is equipped with of unable adjustment base pushes out the piece, the busbar pushes out the piece and is located brace mouth with between the unable adjustment base.

The battery piece deviation rectifying module comprises a fixed plate, a first deviation rectifying device and a second deviation rectifying device, the first deviation rectifying device and the second deviation rectifying device are respectively fixed on two opposite sides of the fixed plate, the first deviation rectifying device comprises a first deviation rectifying mechanism and a first sucker module connected with the first deviation rectifying mechanism, and the first deviation rectifying mechanism drives the first sucker module to linearly move and rotate along the X-axis direction and the Y-axis direction; the second deviation correcting device comprises a second deviation correcting mechanism and a second sucker module connected with the second deviation correcting mechanism, and the second deviation correcting mechanism drives the second sucker module to linearly move and rotate along the X-axis direction and the Y-axis direction.

First sucking disc module, second sucking disc module all include a plurality of first sucking disc subassemblies, a plurality of second sucking disc subassembly, and are a plurality of first sucking disc subassembly and a plurality of second sucking disc subassembly interval distribution, first deviation correcting device, second deviation correcting device all still include cam mechanism and adjustment mechanism, adjustment mechanism and a plurality of first sucking disc subassembly, a plurality of second sucking disc subassembly link to each other, cam mechanism with adjustment mechanism links to each other, the drive of cam mechanism adjustment mechanism removes, adjustment mechanism adjusts interval between first sucking disc subassembly and the second sucking disc subassembly.

Welding set includes the welding base be equipped with first welding module, second welding module and third welding module on the welding base at least, first welding module, second welding module, third welding module all include welding movable guide rail, welding remodelling guiding mechanism and a plurality of welding pieces of arranging side by side, and are a plurality of the welding piece is fixed in respectively on the welding movable guide rail, welding remodelling guiding mechanism is located the below of welding piece, welding remodelling guiding mechanism can drive the welding piece is in move on the welding movable guide rail.

The welding model changing adjusting mechanism comprises a model changing guide rail, a welding model changing driving motor, a welding model changing driving cylinder and a welding model changing part, the welding model changing driving cylinder is connected with the welding model changing part, the welding model changing driving cylinder drives the welding model changing part to move up and down, the welding model changing driving cylinder is fixed on the model changing guide rail, and the welding model changing driving motor drives the welding model changing driving cylinder to be connected with the welding model changing driving cylinder; the welding mould changing portion is provided with a first clamping portion, the welding block is provided with a second clamping portion, and the first clamping portion is matched with the second clamping portion.

The welding module comprises a correcting device, the correcting device is located in the middle of the welding device and used for providing glass and conveying the glass to the welding device, the correcting device comprises a conveying correcting mechanism and a working position correcting mechanism, the conveying correcting mechanism is located on one side of the working position correcting mechanism, and the conveying correcting mechanism is used for conveying the glass to the working position correcting mechanism.

The advantages or principles of the invention are explained below:

the utility model discloses a bus bar welding machine includes that the bus bar provides module, battery piece module and the welding module of rectifying, and the welding module is located the below of battery piece module of rectifying. The utility model discloses a welding machine is compatible busbar's preparation simultaneously, battery piece rectify and correct and the welding of battery piece and busbar, and the integrated level is higher, and rectifying and welding of battery piece need not separately go on the equipment of difference, has improved the welding efficiency of battery piece.

The bus bar changing plate is provided with a plurality of bus bar guide grooves with different widths, the bus bar changing mechanism is connected with the bus bar changing plate, the bus bar changing plate is moved through the bus bar changing mechanism, the bus bar guide grooves with different widths are moved to bus bar manufacturing positions, and the changing adjustment of manufacturing bus bars with different models is realized. The utility model discloses a busbar remodelling mechanism accomplishes the operation of remodelling automatically, and the time spent in the remodelling is shorter, can realize in 1 minute.

Drawings

Fig. 1 is a composition diagram of a bus bar welding machine of the present embodiment;

fig. 2 is a schematic structural view of the bus bar welding machine of the present embodiment;

FIG. 3 is a schematic structural diagram of a first bus bar manufacturing apparatus according to the present embodiment;

FIG. 4 is a schematic structural diagram of a second manufacturing apparatus for bus bars according to the present embodiment;

fig. 5 is a schematic structural view of the bus bar remodelling mechanism of the present embodiment;

FIG. 6 is a schematic structural diagram of the pulling mechanism of the present embodiment;

FIG. 7 is a partial schematic view of the bending mechanism of the present embodiment;

FIG. 8 is a schematic structural diagram of a battery plate deviation rectifying module according to the present embodiment;

FIG. 9 is a schematic view of the combination of the mounting bracket, the X-axis moving assembly, the Y-axis moving assembly and the rotating assembly of the present embodiment;

FIG. 10 is a schematic structural view of an adjustment mechanism of the present embodiment;

fig. 11 is a schematic structural view of the cam mechanism of the present embodiment;

FIG. 12 is a schematic structural view of the first chuck module or the second chuck module of the present embodiment;

FIG. 13 is a schematic structural diagram of a welding module according to the present embodiment;

fig. 14 is a schematic structural view of a righting device of the welding module according to the present embodiment;

FIG. 15 is a schematic structural view of the welding apparatus of the present embodiment;

FIG. 16 is a schematic view of a part of the first welding module of the present embodiment;

description of reference numerals:

1. a main body; 2. a bus bar providing module; 3. the battery piece deviation rectifying module; 4. welding the module; 20. a bus bar transfer device; 21. a first bus bar manufacturing device; 40. a welding device; 41. a reforming device; 22. manufacturing a support by the bus bar; 23. a discharging mechanism; 24. a material pulling mechanism; 25. a cutting mechanism; 26. a bus bar remodelling mechanism; 27. a bending mechanism; 28. a second bus bar manufacturing device; 261. a busbar remodelling plate; 261a, bus bar guide groove; 262. a width changing drive plate; 263. a length changing drive part; 264. a transmission section; 265. a length changing part; 266. a length-changing guide rail; 267. a length-changing driving block; 264a, a gear fixing seat; 264b, a first rack; 264c, a second rack; 241. a fixed base; 242. a brace mouth assembly; 241a, a first moving groove; 243. moving the base; 244. a first moving cylinder; 245. a second moving cylinder; 246. a cylinder fixing plate; 242a, a pull-strip mouth; 247. a busbar pushing-out member; 271. bending the rod; 272. a fixing assembly; 273. a variable pitch movement assembly; 29. a busbar righting mechanism; 291. a busbar reforming cylinder; 292. a busbar righting plate; 31. a fixing plate; 32. a first deviation correcting device; 33. a second deviation correcting device; 321. a first deviation correcting mechanism; 322. a first sucker module; 322a, a first chuck assembly; 322b, a second chuck assembly; 331. a second deviation correcting mechanism; 331a, a mounting bracket; 331b, an X-axis moving component; 331c, a Y-axis moving component; 331d, a rotating assembly; 323. a cam mechanism; 324. an adjustment mechanism; 323a, cam drivers; 323b, a camshaft; 323c, a cam; 323d, position sensor; 324a, an adjusting plate; 324b, a lever assembly; 324c, lever slide; 324d, lever locking assembly; 322c, a suction cup fixing piece; 322d, a clamping piece; 322e, a suction cup; 34. a location acquisition component; 411. a conveying and correcting mechanism; 412. a working position correcting mechanism; 411a, a first conveyor belt; 411b, a first righting component; 412a, a second conveyor belt; 412b, a second righting component; 401. welding a base; 402. a first welding module; 403. a second welding module; 404. a third welding module; 402a, a welding block; 402b and a second clamping part.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. In the present specification, the terms "upper", "inner", "middle", "left", "right" and "one" are used for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the corresponding parts may be changed or adjusted without substantial technical changes.

As shown in fig. 1 and 2, the present invention discloses a bus bar welding machine in one embodiment, which is used for correcting the deviation of a battery plate and welding a bus bar on the battery plate. The battery piece refers to a flat battery pack formed by laying at least one battery panel, when the battery piece comprises a plurality of battery panels, the battery panels are connected in series, and a lead is arranged on the battery piece.

The bus bar welding machine of the embodiment comprises a main body 1, a bus bar providing module 2, a cell rectifying module 3 and a welding module 4, wherein the bus bar providing module, the cell rectifying module and the welding module are arranged on the main body 1. Wherein the bus bar providing module 2 is for providing a bus bar, the bus bar providing module 2 comprises a bus bar transfer device 20, the bus bar transfer device 20 transfers the bus bar to a welding zone of the welding module 4. And the battery piece deviation rectifying module 3 is used for providing the battery pieces, rectifying the deviation of the battery pieces and placing the battery pieces after being rectified in a preset area of the welding module 4. The welding module 4 is located below the cell rectifying module, the welding module 4 at least comprises a welding device 40, and the welding device 40 is used for welding the bus bar transferred to the welding module 4 and the lead of the cell.

The bus bar welding machine is compatible with manufacturing of bus bars, correction of the battery pieces and welding of the battery pieces and the bus bars, integration level is high, the size of the welding machine is small, correction and welding of the battery pieces do not need to be performed on different devices separately, and welding efficiency of the battery pieces is improved.

As shown in fig. 3 to 5, the bus bar providing module 2 further includes a first bus bar manufacturing device 21, and the first bus bar manufacturing device 21 includes a bus bar manufacturing support 22, and a material discharging mechanism 23, a material pulling mechanism 24, a cutting mechanism 25, and a bus bar model changing mechanism 26 which are located on the bus bar manufacturing support 22. Preferably, there are two discharging mechanisms 23, two material pulling mechanisms 24 and two material cutting mechanisms 25, and the two discharging mechanisms 23, the two material pulling mechanisms 24 and the two material cutting mechanisms are respectively located at two opposite ends of the bus bar manufacturing support 22. Wherein, drop feed mechanism 23 includes one at least and unreels spool and a guiding axle, and roll-like busbar is installed on unreeling the spool, should unreel the spool and rotate in order to unreel the busbar by unreeling the motor drive, and the busbar after unreeling is ejection of compact behind the guiding axle. The cutting mechanism 25 includes a cutting driving member and a cutter, the cutting driving member is connected to the cutter, the cutting driving member can drive the cutter to move up and down on the bus bar manufacturing support 22, and when the bus bar unreeled by the discharging mechanism 23 passes through the lower portion of the cutter, the cutter moves down to cut off the bus bar. The cutting driving piece is one of a driving motor, a cylinder, a hydraulic cylinder and the like.

The bus bar manufacturing support 22 is provided with a plurality of bus bar changing plates 261, the bus bar changing mechanism 26 is respectively connected with the plurality of bus bar changing plates 261, the plurality of bus bar changing plates 261 are sequentially arranged in the length direction of the bus bar manufacturing support 22, the plurality of bus bar changing plates 261 are provided with a plurality of bus bar guide grooves 261a with different widths in the width direction, preferably, the bus bar changing plates 261 are provided with 6 bus bar guide grooves 261a, and preferably, the widths of the six bus bar guide grooves 261a are sequentially 4mm, 5mm, 6mm, 7mm, 8mm and 10 mm.

The bus bar changing mechanism 26 at least includes a width changing assembly including a width changing driving member and a width changing driving plate 262, the width changing driving member is connected to the width changing driving plate 262, and the plurality of bus bar changing plates 261 are disposed on the width changing driving plate 262. The width model changing driving member can drive the width model changing driving plate 262 to move, so as to drive the bus bar model changing plate 261 arranged on the width model changing driving plate 262 to move, and further automatically move the bus bar guide grooves 261a with different widths to a specified position, thereby completing the width model changing of the bus bar guide grooves 261 a. The width-changing driving piece is one of a driving motor, an air cylinder, a hydraulic cylinder and the like.

The bus bar model changing mechanism 26 further includes a model changing assembly, the model changing assembly includes two model changing driving portions 263, two transmission portions 264 and three model changing portions 265, the three model changing portions 265 are all spanned on the bus bar model changing plate 261, and the three model changing portions 265 are distributed at intervals in the length direction of the plurality of bus bar model changing plates 261. The two length model changing driving parts 263 are respectively connected with two of the length model changing parts 265, preferably, the two length model changing driving parts 263 are respectively connected with the two length model changing parts located at two sides, the two length model changing driving parts 263 respectively drive the two length model changing parts 265 to move left and right in the length direction of the bus bar model changing plate 261, and the two length model changing parts 265 are respectively connected with the length model changing part 265 located at the middle through two transmission parts 264. Preferably, the length conversion driving part 263 is one of a driving motor, a cylinder, a hydraulic cylinder, and the like.

Further, the length model changing assembly further comprises two length model changing guide rails 266, three length model changing driving blocks 267 are respectively arranged on the two length model changing guide rails 266, two ends of each of the three length model changing parts 265 are respectively connected with the length model changing driving blocks 267 on the two length model changing guide rails 266, the two length model changing driving parts 263 are respectively connected with the two length model changing driving blocks 267 positioned on the outer sides of the same length model changing guide rail, and the length model changing driving parts 263 drive the length model changing driving blocks 267 to move so as to drive the length model changing parts 265 to move on the length model changing guide rails 266.

Further, the transmission parts 264 include gear fixing seats 264a, first racks 264b and second racks 264c, gears are arranged on the gear fixing seats 264a, one end of the first rack 264b of one of the transmission parts 264 is connected with the length model changing part 265 located at the outer side, the other end is meshed with the gear, one end of the second rack 264c is connected with the length model changing part 265 located at the middle part, and the other end of the second rack 264c is meshed with the gear on the gear fixing seat 264 a. One end of the first rack 264b of the other transmission part 264 is connected with the length model changing part 265 positioned in the middle, the other end is meshed with the gear, one end of the second rack 264c is connected with the other length model changing part 265 positioned on the outer side, and the other end of the second rack 264c is meshed with the gear on the fixed seat.

The length-changing driving part 263 of the present embodiment can drive the middle length-changing part 265 to move when two consecutive length-changing parts 265 at the outer side are driven to move, so that the changing of the bus bars with different lengths can be realized by moving the three length-changing parts 265.

The bus bar model changing component can achieve model changing for manufacturing bus bars with different widths and different lengths through the width model changing component and the length model changing component, the length model changing component comprises three length model changing portions 265, and production of asymmetric bus bars can be achieved by moving the three length model changing portions 265.

As shown in fig. 6, the pulling mechanism 24 includes a fixed base 241, a movable base assembly, a pull-strip nozzle assembly 242. The fixed base 241 is provided with a first moving groove 241a, the moving base assembly comprises a moving base 243, a first moving cylinder 244, a second moving cylinder 245 and a cylinder fixing plate 246, a linear slide rail is arranged in the first moving groove 241a, the moving base 243 is arranged on the linear slide rail, the first moving cylinder 244 is fixed on the moving base 243, the second moving cylinder 245 is movably arranged on the first moving cylinder 244, one end of each of the first moving cylinder 244 and the second moving cylinder 245 is fixed on the cylinder fixing plate 246, and the cylinder fixing plate 246 is fixed on the fixed base 241. The bar mouth assembly 242 is fixed on the fixed base 241, the bar mouth assembly 242 is connected with the first movable cylinder 244, the bar mouth assembly 242 is provided with a bar mouth 242a, the fixed base 241 is provided with a bus bar pushing-out piece 247, the bus bar pushing-out piece 247 is located between the bar mouth 242a and the fixed base 241, and preferably, the bus bar pushing-out piece 247 is a T-shaped raised head.

The bus bar is fixed in brace mouth 242a, after pulling material mechanism 24 and pulling the bus bar to fixed position, first moving cylinder 244 drives brace mouth 242a and loosens, then second moving cylinder 245 moves as shown by the arrow direction in the figure, and then drives and moves base 243 and remove, and moving base 243 drives brace mouth 242a and removes to the direction that is close to busbar ejecting piece 247, and busbar ejecting piece 247 pushes out the bus bar in brace mouth 242 a. The drawing mechanism 24 does not involve drawing the bus bar in the process of pushing the bus bar out of the drawing nozzle 242a, and thus ensures the accuracy of the bus bar.

As shown in fig. 7, the first bus bar manufacturing device 21 further includes a bending mechanism 27, the bending mechanism 27 includes a bending component and a plurality of fixing components 272, the bending component includes a bending driving component and a plurality of bending rods 271, the bending driving component is connected to the bus bar changing plate 261, the bending driving component drives the bus bar changing plate 261 to move up and down, and preferably, the bending driving component is a driving motor or a driving cylinder. The plurality of bending rods 271 and the plurality of fixing elements 272 are disposed on the bus bar transferring device 20, and the plurality of fixing elements 272 and the plurality of bending rods 271 are movable toward the bus bar and cooperate with the bending driving element to bend the bus bar, preferably, the fixing elements 272 are fixing suction cups 322 e. Be equipped with a plurality of variable distances on the busbar transfer device 20 and remove the subassembly 273, on a plurality of fixed suction cups 322e, a plurality of pole 271 that bends all were fixed in a plurality of variable distances and remove the subassembly 273, a plurality of variable distances remove the subassembly 273 and can drive a plurality of fixed suction cups 322e and a plurality of pole 271 that bends and remove to adjust the distance between fixed suction cup 322e and the pole 271 that bends according to the busbar of different length.

When the bus bar is bent, the bending driving piece drives the bus bar changing plate 261 to move downwards, meanwhile, the fixing component 272 sucks the bus bar to fix the bus bar, the bending rod 271 compresses the bus bar, and in the process of moving the bus bar downwards, the bending rod 271 bends the bus bar. The depth of the bending is determined by the depth of downward movement of the bus bar changing plate 261. Preferably, the bending driving member of the present embodiment is a servo motor. In this embodiment, the bending mechanism 27 is used to bend the bus bar, so that an L-shaped bus bar and a U-shaped bus bar can be manufactured, and the bus bar can be bent symmetrically and asymmetrically.

Preferably, the bus bar providing module 2 further includes a bus bar second manufacturing device 28, the bus bar second manufacturing device is used for providing the bus bar in a strip shape and transferring the bus bar to the welding area of the welding module 4, the bus bar first manufacturing device 21 is mainly used for providing the bus bar welded in the middle of the battery piece, and the bus bar second manufacturing device 28 is mainly used for providing the bus bar welded at the end. The second bus bar forming device 28 and the first bus bar forming device 21 are respectively located on opposite sides of the main body 1. The second bus bar manufacturing device 28 also includes a bus bar manufacturing support 22, and a discharge mechanism 23, a drawing mechanism 24, a cutting mechanism 25, and a bus bar transfer device 20 that are located on the bus bar manufacturing support 22. The discharging mechanism 23, the drawing mechanism 24, and the cutting mechanism 25 of the second bus bar manufacturing device 28 are all the same as those of the first bus bar manufacturing device 21. The second bus bar manufacturing apparatus 28 further includes a plurality of bus bar return mechanisms 29, and the bus bar return mechanisms 29 include bus bar return cylinders 291 and bus bar return plates 292, and the bus bar return cylinders 291 are connected to the bus bar return plates 292. The bus bar return plate 292 is driven to move by the bus bar return cylinder 291, and the bus bar is returned.

As shown in fig. 8, the battery plate deviation rectifying module 3 includes a fixing plate 31, a first deviation rectifying device 32 and a second deviation rectifying device 33, the first deviation rectifying device 32 and the second deviation rectifying device 33 are respectively fixed on two opposite sides of the fixing plate 31, the first deviation rectifying device 32 includes a first deviation rectifying mechanism 321 and a first sucker module 322 connected to the first deviation rectifying mechanism 321, and the first deviation rectifying mechanism 321 drives the first sucker module 322 to linearly move and rotate along the X-axis and Y-axis directions; the second deviation correcting device 33 includes a second deviation correcting mechanism 331 and a second suction cup module connected to the second deviation correcting device 33, and the second deviation correcting mechanism 331 drives the second suction cup module to move and rotate linearly along the X-axis and Y-axis directions.

As shown in fig. 9 and 10, the first deviation rectifying device 32 and the second deviation rectifying device 33 of the present embodiment have the same structure. Further, the first deviation correcting mechanism 321 and the second deviation correcting mechanism 331 each include a mounting bracket 331a, an X-axis moving component 331b, a Y-axis moving component 331c and a rotating component 331d, the X-axis moving component 331b, the Y-axis moving component 331c and the rotating component 331d are both fixed on the mounting bracket 331a, the X-axis moving component 331b drives the mounting bracket 331a to move along the X-axis, the Y-axis moving component 331c drives the mounting bracket 331a to move along the Y-axis, the rotating component 331d drives the mounting bracket 331a to rotate, and the first suction cup module 322 and the second suction cup module are respectively mounted at the bottoms of the two mounting brackets 331 a.

Further, the X-axis moving assembly 331b includes an X-axis driving member, the X-axis driving member is connected to the mounting bracket 331a, and the X-axis driving member can drive the mounting bracket 331a to realize adjustment of ± 25 mm; the Y-axis driving component comprises a Y-axis driving piece, the Y-axis driving piece is connected with the mounting bracket 331a, and the Y-axis driving piece can drive the mounting bracket 331a to realize adjustment of +/-25 mm; the rotating component 331d includes a servo motor and a harmonic reducer, the servo motor is connected to the mounting bracket 331a through the harmonic reducer, and the rotating component 331d can drive the mounting bracket 331a to rotate within a range of ± 5 degrees. The X-axis moving unit 331b, the Y-axis moving unit 331c and the rotating unit 331d of the present embodiment have simple structures and are easier to control. Preferably, the X-axis driving member and the Y-axis driving member are one of a driving motor, a cylinder, a hydraulic cylinder, and the like.

As shown in fig. 8, each of the first and second chuck modules 322 and 322 includes a plurality of first chuck assemblies 322a and a plurality of second chuck assemblies 322b, and the plurality of first chuck assemblies 322a and the plurality of second chuck assemblies 322b are distributed at intervals. Preferably, the first chuck module 322 and the second chuck module each include three first chuck assemblies 322a, and the first chuck module 322 and the second chuck module each include three second chuck assemblies 322 b. The first deviation rectifying mechanism 321 and the second deviation rectifying mechanism 331 respectively capture the battery piece through the first sucker module 322 and the second sucker module, and then the first deviation rectifying mechanism 321 and the second deviation rectifying mechanism 331 respectively drive the battery pieces of the first sucker module 322 and the second sucker module to linearly move and rotate along the X-axis direction and the Y-axis direction, so that the battery pieces captured by the first sucker module 322 and the second sucker module are accurately aligned and spliced into a whole battery piece. Or, the first deviation rectifying mechanism 321 drives the first chuck module 322 to linearly move and rotate along the X-axis and Y-axis directions relative to the second chuck module, so that the battery pieces captured by the first chuck module 322 and the second chuck module are accurately aligned. Or, the second deviation rectifying mechanism 331 drives the second chuck module to linearly move and rotate along the X-axis and Y-axis directions relative to the first chuck module, so that the battery pieces captured by the first chuck module 322 and the second chuck module are accurately aligned.

The first deviation correcting device 32 and the second deviation correcting device 33 both further comprise vertical displacement components, and the vertical displacement components of the first deviation correcting device 32 and the second deviation correcting device are respectively connected with the plurality of first sucker components 322a or the plurality of second sucker components 322 b. Preferably, the vertical displacement assembly of the first deviation correcting device 32 is connected to a plurality of first chuck assemblies 322a of the first deviation correcting mechanism, the vertical displacement assembly of the second deviation correcting device 33 is connected to a plurality of first chuck assemblies 322a of the second deviation correcting mechanism, and the vertical displacement assembly drives the first chuck assemblies 322a to ascend or descend. The vertical displacement assembly drives the first sucking disc assembly 322a to descend and suck the two battery pieces, then the vertical displacement assembly drives the first sucking disc assembly 322a to ascend to a preset height, and then the deviation rectification correction is carried out on the two battery pieces. The first sucker component 322a and the second sucker component 322b of the present application are raised or lowered at intervals to avoid collision or damage to the cell lead during correction.

In order to correct the battery pieces of different models, as shown in fig. 10 and 11, the first deviation correcting device 32 and the second deviation correcting device 33 of the present embodiment each further include a cam mechanism 323 and an adjusting mechanism 324. The adjusting mechanism 324 is connected with the first suction cup assembly 322a and the second suction cup assembly 322b, the cam mechanism 323 is connected with the adjusting mechanism 324, the cam mechanism 323 drives the adjusting mechanism 324 to move, the adjusting mechanism 324 adjusts the distance between the first suction cup assembly 322a and the second suction cup assembly 322b, and the first deviation correcting device 32 and the second deviation correcting device 33 are made to be suitable for the deviation correcting requirements of different battery pieces by adjusting the distance between the first suction cup assembly 322a and the second suction cup assembly 322 b. The adjustment can be completed only in 2 to 3 minutes through the cam mechanism 323 and the adjusting mechanism 324, the adjustment efficiency is improved, and the adjustment precision is higher through automatic adjustment.

Further, the cam mechanism 323 includes a cam driver 323a, a cam shaft 323b, at least one cam 323c, and a position sensor 323 d. The cam driving member 323a is connected to a cam shaft 323b, and the cam driving member 323a rotates the cam 323c, and preferably, the cam driving member 323a is a servo motor. Preferably, there are three cams 323c, and the three cams 323c are fixed to both ends and a middle portion of the cam shaft 323b, respectively. A position sensor 323d is fixed to one end of the cam shaft 323 b. In the embodiment, the cam shaft 323b is driven by the cam driving member 323a to rotate, the cam shaft 323b drives the three cams 323c thereon to rotate, and the cams 323c monitor the cams 323c through the position sensor 323d during the rotation process, so as to determine the rotation position of the cams 323c, and further control the rotation of the cams 323c more accurately.

The adjusting mechanism 324 of the present embodiment includes an adjusting plate 324a, a lever assembly 324b, a lever slide rail 324c and a lever locking assembly 324d, the three cams 323c are respectively tangent to the adjusting plate 324a, the adjusting plate 324a is tangent to the lever assembly 324b, and the adjusting plate 324a is located between the lever assembly 324b and the cam mechanism 323. During the rotation of the cam shaft 323b with the driving cam 323c, the three cams 323c press the adjusting plate 324a, and the adjusting plate 324a presses the lever assembly 324b, respectively. The lever assembly 324b is fixed on the lever slide 324c, the adjusting plate 324a is a pneumatic lever assembly 324b, and the lever assembly 324b moves on the lever slide 324 c.

The lever locking assembly 324d is located at a side of the lever assembly 324b, and when the positions of the first suction cup module 322 and the second suction cup module are adjusted, the lever locking assembly 324d locks the lever assembly 324b to prevent the lever assembly 324b from moving further.

Preferably, the lever locking assembly 324d comprises a friction plate and a locking driving cylinder, the locking driving cylinder is connected with the friction plate and can drive the friction plate to move up and down, when the distance between the first sucker module 322 and the second sucker module is adjusted, the locking driving cylinder drives the friction plate to move up, after the distance is adjusted, the locking driving cylinder drives the friction plate to move down, the friction plate abuts against the lever assembly 324b, and therefore the lever assembly 324b is locked.

As shown in fig. 12, in order to adapt the first and second chuck assemblies 322a and 322b to bus bars with different lengths, the first and second chuck assemblies 322a and 322b of this embodiment each include at least one chuck fixing member 322c, a clamping member 322d, and a plurality of chucks 322e, the plurality of chucks 322e are fixed on the chuck fixing members 322c, the clamping member 322d is fixed on the chuck fixing members 322c, and adjacent chuck fixing members 322c are connected by the clamping member 322 d. The suction cup fixing member 322c is a basic suction cup, the basic suction cup 322e can meet the requirement of the minimum size battery piece, and the space between the suction cups 322e on the basic suction cup can avoid the position of the bus bar of the full series of size battery pieces.

The connection of a plurality of sucking disc mounting 322c can be realized through joint spare 322d on sucking disc mounting 322c to this embodiment to accomplish the remodelling of first sucking disc module 322, second sucking disc module fast, satisfy the user demand of different width battery pieces.

The battery plate deviation rectifying module 3 further comprises a position obtaining component 34, the position obtaining component 34 is fixed on the fixing plate 31, and the position obtaining component 34 is located between the first deviation rectifying device 32 and the second deviation rectifying device 33. The position obtaining component 34 is configured to obtain actual position images of the battery pieces on the first deviation correcting device 32 and the second deviation correcting device 33, calculate a correction amount according to the actual position images and the theoretical position images, and transmit the correction amount to the first deviation correcting mechanism 321 and the second deviation correcting mechanism 331, where the first deviation correcting mechanism 321 and/or the second deviation correcting mechanism 331 drives the battery pieces thereon to move for a predetermined distance and rotate for a predetermined angle along the X-axis direction and the Y-axis direction according to the correction amount, so that the battery pieces on the first deviation correcting mechanism 321 and the second deviation correcting mechanism 331 can be accurately aligned. The position acquisition unit 34 of the present embodiment is the same as the position acquisition unit 34 disclosed in chinese patent publication No. CN 110571308A.

As shown in fig. 13, the welding module 4 further includes a centering device 41, the centering device 41 is located in the middle of the welding device 40, and the centering device 41 is used for providing glass and conveying the glass to the welding device 40.

As shown in fig. 14, the correcting device 41 includes a conveying correcting mechanism 411 and a work position correcting mechanism 412, the conveying correcting mechanism 411 is located at one side of the work position correcting mechanism 412, and the conveying correcting mechanism 411 is used for conveying the glass to the work position correcting mechanism 412. The conveying and correcting mechanism 411 comprises a first conveying belt 411a and at least two first correcting assemblies 411b, the two first correcting assemblies 411b are respectively located on two opposite side edges of the first conveying belt 411a, each first correcting assembly 411b comprises a first correcting driving piece and a first correcting plate connected with the first correcting driving piece, the two first correcting driving pieces drive the two first correcting plates to move towards or away from each other, and glass is located between the two first correcting plates. When the glass is conveyed to the conveying and returning mechanism 411, the two first returning driving pieces respectively drive the two first returning plates to move in opposite directions, so that the glass is returned. The straightened glass is delivered to the work position straightening mechanism 412.

The home-position-righting mechanism 412 includes a second conveyor belt 412a and a plurality of second righting assemblies 412b, preferably five second righting assemblies 412 b. The second conveyor belt 412a is provided with a working position, the five second correcting assemblies 412b are respectively positioned around the working position, each of the five second correcting assemblies 412b comprises a second correcting driving part and a second correcting plate, the second correcting plates are connected with the second correcting driving parts, and the glass is positioned between the five second correcting plates. After the glass is conveyed to the working position correcting mechanism 412, five second correcting plates are driven to move by five second correcting driving pieces respectively, and the glass is corrected.

The working position returning mechanism 412 is further provided with a plurality of CCD detection light sources, and the returning positions of the five second returning assemblies 412b are controlled by the CCD detection light sources.

The returning device 41 further includes a returning moving mechanism, which is connected to the working position returning mechanism 412, and the returning moving mechanism drives the working position returning mechanism 412 to move up or down in the vertical direction, so as to feed the glass into the welding device 40. As shown in fig. 15 and 16, the welding device 40 includes a welding base 401, a first welding module 402, a second welding module 403, and a third welding module 404 are disposed on the welding base 401, each of the first welding module 402, the second welding module 403, and the third welding module 404 includes a plurality of welding blocks 402a arranged side by side, an electromagnetic induction coil is disposed on each of the welding blocks 402a, a magnetic core is disposed in a middle of the electromagnetic induction coil, and the magnetic core is a long strip structure. Preferably, the welding block 402a is further provided with a vacuum suction hole for sucking the bus bar and fixing the position.

The first welding module 402, the second welding module 403 and the third welding module 404 further comprise a welding movable guide rail and a welding shape-changing adjusting mechanism, the welding blocks 402a are fixed on the welding movable guide rail respectively, the welding shape-changing adjusting mechanism is located below the welding blocks 402a, and the welding shape-changing adjusting mechanism can drive the welding blocks 402a to move on the welding movable guide rail.

The welding type changing adjusting mechanism comprises a type changing guide rail, a welding type changing driving motor, a welding type changing driving cylinder and a welding type changing portion, the welding type changing driving cylinder is connected with the welding type changing portion, the welding type changing driving cylinder drives the welding type changing portion to move up and down, the welding type changing driving cylinder is fixed on the type changing guide rail, and the welding type changing driving motor is connected with the welding type changing driving cylinder. The welding shape-changing portion is provided with a first clamping portion, the welding block 402a is provided with a second clamping portion 402b, and the first clamping portion is matched with the second clamping portion 402 b. After the welding model changing driving cylinder drives the welding model changing portion to move upwards, the first clamping portion is clamped with the second clamping portion 402b, then the welding model changing driving motor drives the welding model changing driving cylinder to move, and then the welding block 402a is driven to move. After the position of the welding block 402a is adjusted, the welding shape-changing part moves downwards to be separated from the welding block 402 a.

To adjust the respective welding blocks 402a, a CDD detection light source may be further provided to the welding remodel adjustment mechanism 324.

Preferably, a plurality of cameras 402c are arranged on the first welding module 402, the second welding module 403 and the third welding module 404, and after the bus bars are welded, the cameras 402c photograph and detect the craters at the welding positions of the head, the tail and the middle of the battery piece.

The battery piece is conveyed to the middle of the welding device 40 by the righting device, then the welding device 40 sucks and lifts the battery piece, then the first welding module 402, the second welding module 403 and the third welding module 404 move to the head, the tail and the middle of the battery piece respectively to perform welding operation, and after welding is completed, the battery piece is placed on glass and conveyed out.

The utility model discloses still disclose a busbar welding method in another embodiment, include:

providing the bus bar welding machine as described above, the structure of which has been described above;

transferring the bus bar to a predetermined area of the welding module 4;

rectifying deviation of the battery plate, and transferring the battery plate to a preset area of the welding module 4;

the welding device 40 welds the bus bar and the lead.

The embodiment of the present invention is not limited to this, according to the above-mentioned content of the present invention, the common technical knowledge and the conventional means in the field are utilized, without departing from the basic technical idea of the present invention, the present invention can also make other modifications, replacements or combinations in various forms, all falling within the protection scope of the present invention.

Claims (9)

1. Busbar welding machine, its characterized in that includes the main part, and is located on the main part:

a bus bar providing module for providing a bus bar, the bus bar providing module including a bus bar transfer device that transfers the bus bar to a welding zone of a welding module;

the battery piece deviation rectifying module is used for providing a battery piece, rectifying the deviation of the battery piece and placing the battery piece after the deviation rectification in a preset area of the welding module, and the battery piece comprises a lead;

the welding module is positioned below the battery plate deviation rectifying module and at least comprises a welding device, and the welding device is used for welding a bus bar transferred to the welding module and a lead of a battery plate;

the bus bar providing module further comprises a first bus bar manufacturing device, the first bus bar manufacturing device at least comprises a bus bar manufacturing support, a plurality of bus bar changing plates and a bus bar changing mechanism, the bus bar changing plates are sequentially arranged in the length direction of the bus bar manufacturing support, the bus bar changing plates are multiple in number, a plurality of bus bar guide grooves with different widths are formed in the width direction of the bus bar changing plates, and the bus bar changing mechanism is respectively connected with the bus bar changing plates.

2. The bus bar welding machine of claim 1, wherein the bus bar swaging mechanism includes a width swaging assembly including a width swaging drive and a width swaging drive plate, the width swaging drive being coupled to the width swaging drive plate, a plurality of the bus bar swaging plates being positioned on the width swaging drive plate.

3. The bus bar welding machine according to claim 1, wherein the bus bar remodeling mechanism further comprises a length remodeling assembly, the length remodeling assembly comprises two length remodeling driving parts, two transmission parts and three length remodeling parts, the three length remodeling parts are arranged on the bus bar remodeling plate in a spanning mode, the two length remodeling driving parts are respectively connected with the two length remodeling parts, the two length remodeling driving parts respectively drive the two length remodeling parts to move left and right in the length direction of the bus bar remodeling plate, and the two length remodeling parts are respectively connected with the other length remodeling part through the two transmission parts.

4. The bus bar welding machine according to any one of claims 1 to 3, wherein the first bus bar manufacturing device further comprises a material pulling mechanism, the material pulling mechanism comprises a fixed base, a movable base assembly and a pulling bar mouth assembly, the movable base assembly is located on the fixed base, the movable base assembly can move on the fixed base, the pulling bar mouth assembly is connected with the movable base assembly, a pulling bar mouth is arranged on the pulling bar mouth assembly, a bus bar pushing-out piece is arranged on the fixed base, and the bus bar pushing-out piece is located between the pulling bar mouth and the fixed base.

5. The bus bar welding machine according to claim 1, wherein the cell deviation rectifying module comprises a fixing plate, a first deviation rectifying device and a second deviation rectifying device, the first deviation rectifying device and the second deviation rectifying device are respectively fixed on two opposite sides of the fixing plate, the first deviation rectifying device comprises a first deviation rectifying mechanism and a first sucker module connected with the first deviation rectifying mechanism, and the first deviation rectifying mechanism drives the first sucker module to linearly move and rotate along the directions of the X axis and the Y axis; the second deviation correcting device comprises a second deviation correcting mechanism and a second sucker module connected with the second deviation correcting mechanism, and the second deviation correcting mechanism drives the second sucker module to linearly move and rotate along the X-axis direction and the Y-axis direction.

6. The bus bar welding machine of claim 5, wherein each of the first and second sucker modules comprises a plurality of first sucker components and a plurality of second sucker components, the plurality of first sucker components and the plurality of second sucker components are spaced apart, each of the first and second deviation rectifying devices further comprises a cam mechanism and an adjusting mechanism, the adjusting mechanism is connected with the plurality of first and second sucker components, the cam mechanism is connected with the adjusting mechanism, the cam mechanism drives the adjusting mechanism to move, and the adjusting mechanism adjusts the spacing between the first and second sucker components.

7. The bus bar welding machine according to any one of claims 1 to 3, wherein the welding device includes a welding base, at least a first welding module, a second welding module, and a third welding module are disposed on the welding base, each of the first welding module, the second welding module, and the third welding module includes a welding moving rail, a welding changing adjustment mechanism, and a plurality of welding blocks arranged side by side, the welding blocks are respectively fixed on the welding moving rail, the welding changing adjustment mechanism is located below the welding blocks, and the welding changing adjustment mechanism can drive the welding blocks to move on the welding moving rail.

8. The bus bar welding machine according to claim 7, wherein the welding remodelling adjusting mechanism includes a remodelling guide rail, a welding remodelling driving motor, a welding remodelling driving cylinder, and a welding remodelling portion, the welding remodelling driving cylinder is connected to the welding remodelling portion, the welding remodelling driving cylinder drives the welding remodelling portion to move up and down, the welding remodelling driving cylinder is fixed to the remodelling guide rail, and the welding remodelling driving motor is connected to the welding remodelling driving cylinder; the welding mould changing portion is provided with a first clamping portion, the welding block is provided with a second clamping portion, and the first clamping portion is matched with the second clamping portion.

9. The bus bar welding machine according to claim 7, wherein the welding module includes a reforming device located at a middle portion of the welding device, the reforming device being configured to supply the glass and convey the glass to the welding device, the reforming device including a conveying reforming mechanism located at a side of the work position reforming mechanism, and a work position reforming mechanism configured to convey the glass to the work position reforming mechanism.

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