CN114789313A - High-speed welding system and high-speed welding method - Google Patents
High-speed welding system and high-speed welding method Download PDFInfo
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- CN114789313A CN114789313A CN202210516685.XA CN202210516685A CN114789313A CN 114789313 A CN114789313 A CN 114789313A CN 202210516685 A CN202210516685 A CN 202210516685A CN 114789313 A CN114789313 A CN 114789313A
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- 238000003466 welding Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 77
- 230000008569 process Effects 0.000 claims abstract description 29
- 230000005484 gravity Effects 0.000 claims abstract description 8
- 238000013519 translation Methods 0.000 claims abstract description 7
- 238000012546 transfer Methods 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 8
- 230000007723 transport mechanism Effects 0.000 claims description 6
- 238000002503 electroluminescence detection Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 abstract description 10
- 238000003475 lamination Methods 0.000 abstract description 10
- 230000008439 repair process Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 18
- 238000001179 sorption measurement Methods 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
Abstract
The invention discloses a high-speed welding system and a high-speed welding method, wherein the system comprises a series welding unit and a stitch welding unit, the series welding unit comprises a series welding device, a bearing mechanism and a first conveying mechanism, and the bearing mechanism comprises a bearing sheet capable of lifting in a reciprocating manner in the gravity direction; the first conveying mechanism is used for translating the battery strings to a first preset station, and the battery strings are driven by the first conveying mechanism to rotate for a preset angle in the translation process, so that the battery strings are arranged and combined on the bearing piece to form a battery string assembly with a preset structure. According to the invention, the string arranging process is integrated in the string welding operation process, the scheme of combining the first conveying mechanism with the lifting of the bearing sheet is adopted to arrange the battery strings, so that the process of grabbing the row plates by the mechanical arm of the original string arranging machine is replaced, and the string sucking and releasing function of the bearing sheet is adopted, so that the mutual movement of the battery strings under the condition of no protection is avoided, the lamination repair rate is effectively reduced, and the method is more suitable for the development of battery sheet flaking.
Description
Technical Field
The invention relates to the technical field of photovoltaic cell manufacturing, in particular to a high-speed welding system and a high-speed welding method.
Background
With the progress of the component end technology, the efficient and stable component gradually becomes the main direction of the subsequent technical development and cost reduction, so that it is very important how to reduce the internal loss of the component, improve the quality of the component and prolong the service life of the component.
The existing front-pass (before stitch welding) module manufacturing process of the existing photovoltaic module manufacturing workshop comprises the following steps: the whole piece material loading of battery piece to scribing machine, after scribing machine section burst, through carrying half piece material loading to stringer, the stringer welds out the battery cluster and transmits to the pendulum string machine platform of shooing through the transmission belt, pendulum string machine arm snatchs battery string adjustment position pendulum string and typesets and accomplishes the back through a plurality of stacks, flow to the stitch welding machine via the assembly line, the stitch welding machine is regular back, grab the battery cluster under the mechanism of piece taking hand, shoot the school cluster simultaneously, absorb the back and carry out bonding tool push down welding, lamination spare flows out after stitch welding work accomplishes.
The prior process has the following technical problems:
1. the mechanical arm grabs the suction string and the discharge string in the working process of the string swinging machine, so that the battery string is not protected.
2. The long flowing process (4-10 throttle assembly lines) from the string swinging machine to the stitch welding machine component is easy to cause the adverse effects of uneven string spacing, hidden cracking and the like.
Disclosure of Invention
The invention aims to provide a high-speed welding system to solve the technical problems in the prior art, which can change the original process flow, effectively reduce the repair rate of lamination and is more suitable for the development of battery slice.
The invention provides a high-speed welding system, which comprises a series welding unit and a stitch welding unit, wherein the series welding unit is used for outputting a battery string assembly, the stitch welding unit is used for carrying out stitch welding operation on the battery string assembly, and the stitch welding unit comprises a welding unit body, a welding unit body and a welding unit body, wherein the welding unit body comprises a welding unit body and a welding unit body, the welding unit body comprises a welding unit body, and the welding unit body comprises a welding unit body, a welding unit and a welding unit, the welding unit body comprises a welding unit and a welding unit, the welding unit body is used for outputting the battery string assembly, the stitch welding unit body is used for carrying out stitch welding operation on the battery string assembly, and the welding unit comprises:
the stringer includes stringer, bearing mechanism and first transport mechanism, wherein:
the series welding device is used for welding a plurality of battery pieces into a battery string in series;
the bearing mechanism comprises a bearing sheet capable of lifting in a reciprocating manner in the gravity direction;
the first conveying mechanism is used for translating the battery string to a first preset station, when the battery string reaches the first preset station, the bearing sheet in the bearing mechanism is lifted to be at a first preset height position to bear the battery string, and the battery string is driven by the first conveying mechanism to rotate for a preset angle in the translation process, so that the battery strings are arranged and combined on the bearing sheet to form the battery string assembly with a preset structure.
The high-speed welding system as described above, wherein the carrying mechanism preferably further includes a driving member for driving the carrying sheet to reciprocate in the direction of gravity.
The high-speed welding system as described above, preferably, further includes a second conveying mechanism, and the second conveying mechanism transfers the carrier sheet and the battery string assembly located at the first preset station to the second preset station.
The high-speed welding system as described above, preferably, further includes a third conveying mechanism, when the carrier sheet and the battery string assembly located at the second preset position are lifted to a second preset height position by the driving member, the third conveying mechanism adsorbs and transfers the battery string assembly to a stitch welding position, and the stitch welding device performs stitch welding operation on the battery string assembly at the stitch welding position.
A high speed welding system as described above, wherein preferably said battery string is driven by said first transfer mechanism to rotate 90 ° during translation.
A high-speed welding system as described above, wherein preferably, said battery string assembly includes a plurality of battery string sets arranged at intervals along a first direction, each of said battery string sets includes two of said battery strings arranged at intervals along said second direction, and said first direction is perpendicular to said second direction.
A high speed welding system as described above, wherein the carrier sheet is preferably glass.
The invention also provides a high-speed welding method, which comprises the following steps:
translating the battery string sent out by the discharge end of the series welding device to a first preset station by using a first conveying mechanism, and rotating the battery string clockwise or anticlockwise by 90 degrees according to the requirement of a plate arrangement sequence in the transferring process;
when the battery string reaches a first preset station, the bearing sheet positioned at the first preset station is lifted to a first preset height position, the bearing sheet bears the battery sheet, the first conveying mechanism releases the battery sheet, and the bearing sheet descends;
repeating the steps until a plurality of battery strings on the bearing sheet form a battery string assembly with a preset structure, and then transferring the bearing sheet and the battery string assembly positioned at the first preset station to a second preset station by a second conveying mechanism;
and after the bearing sheet and the battery string assembly reach the second preset station, the bearing sheet and the battery string assembly are lifted to a second preset height position, the third conveying mechanism clamps the battery string assembly and transfers the battery string assembly to a stitch welding station, and a stitch welding device performs stitch welding operation on the battery string assembly at the stitch welding station.
In the high-speed welding method, it is preferable that an EL detection step is further provided before the stitch welding operation.
In the high-speed welding method, it is preferable that a bus bar laminating step is further provided after the stitch welding operation is completed.
Compared with the prior art, the string arranging process is integrated in the string welding process, the battery string is arranged by adopting the scheme that the first conveying mechanism is combined with the lifting of the bearing sheet, so that the process that the original string arranging machine mechanical arm grabs the arranged plates is replaced, and the string connecting function is lifted by using the bearing sheet, so that compared with the traditional mechanical arm, the string sucking and releasing of the battery string are avoided, the mutual movement of the battery string under the condition of no protection is avoided, the lamination repair rate is effectively reduced, and the string arranging machine is more suitable for the development of battery sheet flaking.
Drawings
FIG. 1 is a schematic flow diagram of a welding method of the present invention.
Description of reference numerals: 1-series welding unit, 2-stitch welding unit, 3-battery string component, 4-series welding device, 5-bearing sheet, 6-battery string and 7-bus bar;
l1-first direction;
l2-second direction.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In the existing photovoltaic module production technology, generally, a whole cell is divided into a plurality of cells with relatively small areas, the cells are arranged into cell strings, the cell strings are arranged into strings through a string arranging machine and then are conveyed to a stitch welding machine through a production line to be welded, and subsequent process production is carried out.
In order to solve the technical problems, the embodiment of the invention provides a high-speed welding system which comprises a series welding unit 1 and a stitch welding unit 2, wherein the series welding unit 1 is used for outputting a battery string component 3, the battery string component 3 is the battery string component 3 with a preset shape formed by a plurality of battery strings 6 according to the requirements of typesetting operation, and the stitch welding unit 2 is used for performing stitch welding operation on the battery string component 3.
In the embodiment of the present application, the series welding unit 1 includes a series welding device 4, a carrying mechanism and a first conveying mechanism, wherein:
the series welding device 4 is used for welding a plurality of battery plates into the battery string 6 in series, the series welding device 4 can be provided with a plurality of series welding devices, and the plurality of series welding devices 4 are cooperatively controlled, so that the synchronous swinging of the plurality of battery strings 6 can be realized at one time by the swinging flow, and the production efficiency is obviously improved. Those skilled in the art can know that the number and distribution of the series welding devices 4 can be adjusted according to actual requirements, and are not limited herein, and in some feasible embodiments, because the battery strings 6 in the battery string assembly 3 are arranged in pairs, two series welding devices 4 can be arranged, and each series welding device 4 corresponds to a first transmission structure, so that the production rhythm can be accelerated, and the efficiency of the pendulum string typesetting is improved.
The bearing mechanism comprises a bearing sheet 5 capable of lifting in a reciprocating mode in the gravity direction, the bearing sheet 5 is used for bearing battery strings 6 sent out from a series welding device 4, the battery strings 6 are arranged on the bearing sheet 5 to form a battery string assembly 3, the bearing sheet 5 is at a low position in an initial state to avoid a moving path of the first conveying mechanism, when the first conveying mechanism conveys the battery strings 6 to the position above the bearing sheet 5, the bearing sheet 5 rises to the high position until the bearing sheet contacts with the battery strings 6 to support the battery strings 6, the first conveying mechanism can release the battery strings 6 at the moment, compared with a traditional mechanical arm string sucking and releasing string, the bearing sheet 5 actively supports the battery strings 6, the phenomenon that the battery strings 6 move mutually under the condition of no protection is avoided, the lamination repair rate is effectively reduced, and the method is more suitable for development of battery slice flaking.
The first conveying mechanism is used for translating the battery string 6 to a first preset station, when the battery string 6 reaches the first preset station, the bearing sheet 5 in the bearing mechanism is lifted to be at a first preset height position to bear the battery string 6, the first conveying mechanism only needs to move in the horizontal direction, and the bearing sheet 5 only needs to move in the vertical direction.
First conveying mechanism can adopt a negative pressure adsorption apparatus hand, and negative pressure adsorption apparatus hand sets up on the support body, and negative pressure adsorption apparatus hand can remove along the horizontal direction on the support body, and negative pressure adsorption apparatus hand's absorption end can rotate to adjust the position of battery cluster 6, because the battery cluster comprises a plurality of battery pieces during 6, negative pressure adsorption apparatus hand's absorption end all is equipped with a plurality of sucking discs corresponding to every battery piece, avoids 6 atresss of battery cluster uneven and fracture like this.
The first transmission mechanism can not only transfer the battery strings 6, but also more importantly adjust the orientation of the battery strings 6 to arrange the battery strings on the bearing sheet 5 according to the typesetting requirement, specifically, the battery strings 6 are driven by the first transmission mechanism to rotate for a preset angle during the translation process, so that a plurality of battery strings 6 are arranged and combined on the bearing sheet 5 to form the battery string component 3 with a preset structure, the preset angle can be determined according to the typesetting requirement on the battery string component 3, therefore, the battery string 6 can be transferred and the string can be swung at the same time, so that the technical effect which can be realized by two manipulators, namely a material taking manipulator and a string swinging manipulator in the prior art, can be realized by only one manipulator in the first conveying mechanism, the production continuity is greatly improved, the production efficiency is improved, and the bearing sheet 5 is used for actively bearing the battery string 6, so that the lamination repairing rate can be effectively reduced, and the method is more suitable for the development of battery sheet flaking.
Furthermore, the bearing mechanism also comprises a driving piece which is used for driving the bearing sheet 5 to reciprocate in the gravity direction, in some possible embodiments, the driving member comprises a driving cylinder, a piston rod of the driving cylinder extends along the gravity direction, a supporting plate is arranged at the end of the piston rod of the driving cylinder, the carrier sheet 5 is arranged on the supporting plate, a positioning assembly is further arranged on the supporting plate to position the carrier sheet 5, in the initial state, the piston rod of the driving cylinder is in a low position to avoid the conveyed battery string 6, when the battery string 6 reaches the upper part of the bearing sheet 5, the cylinder is driven to work, the bearing sheet 5 is jacked to support the battery string 6, the sucker on the first conveying mechanism releases the battery string 6, meanwhile, in the moving process of the first conveying mechanism, the adsorption end of the first conveying mechanism can horizontally rotate the battery string 6 by a preset angle.
Further, the device also comprises a second conveying mechanism, the second conveying mechanism transfers the bearing sheet 5 and the battery string component 3 which are positioned at the first preset station to the second preset station, in some feasible embodiments, the second conveying mechanism comprises a machine tool and a plurality of rolling shafts which are arranged on the machine tool at intervals along the horizontal direction, a plurality of rollers are sleeved on the rolling shafts, the plurality of rolling shafts are driven by a motor and a synchronous belt, a driving cylinder of the first conveying mechanism is arranged below the rolling shafts, a piston rod of the driving cylinder extends through a gap between the rolling shafts and then lifts the bearing sheet 5 in a reciprocating manner, after the battery strings 6 on the bearing sheet 5 are arranged, the piston rod of the driving cylinder descends, the bearing sheet 5 is supported on the rolling wheels of the rolling shafts, and the second conveying mechanism transfers the bearing sheet 5 and the battery string component 3 thereon to the second preset station. Those skilled in the art will appreciate that the second conveying mechanism may take other forms, such as a conveyor belt, etc., and may also synchronously transfer the whole carrying mechanism together, which is not limited herein.
Further, the device comprises a third conveying mechanism, when the bearing piece 5 and the battery string assembly 3 which are positioned at the second preset station are lifted to the second preset height position by the driving piece, the third conveying mechanism adsorbs and transfers the battery string assembly 3 to the stitch welding station, and the stitch welding device performs stitch welding operation on the battery string assembly 3 at the stitch welding station.
The structure of the third conveying mechanism can refer to the structure of the first conveying mechanism, when the adsorption end of the third conveying mechanism does not reach the second preset station, the bearing sheet 5 and the battery string component 3 are in low positions until the adsorption end of the third conveying mechanism horizontally moves to a second preset station, the bearing sheet 5 and the battery string component 3 are lifted until the adsorption end of the third conveying mechanism is in adsorption contact with the surface of the battery string component 3, the adsorption end of the third conveying mechanism adsorbs the battery string component 3, at the moment, the bearing sheet 5 descends, the third conveying mechanism conveys the battery string component 3 to a stitch welding station for stitch welding operation, in the process, the bearing sheet 5 is transferred to the next preset station along with the production line, after the stitch welding operation of the battery string component 3 is completed, is horizontally transferred to the next preset station, and the bearing sheet 5 is jacked up to actively bear the battery string component 3 for the next working procedure.
At the second preset station, the bearing sheet 5 is actively jacked, so that the battery string component 3 is actively contacted with the adsorption end of the third conveying mechanism, the lamination repair rate can be effectively reduced, and the battery string component is more suitable for the development of battery sheet flaking.
Further, the battery string 6 is driven by the first transmission mechanism to rotate 90 ° during the translation process, at the discharge end of the series welding device 4, the battery string 6 extends along the first direction L1, in some embodiments, the battery string assembly 3 includes a plurality of battery string sets arranged at intervals along the first direction L1, each battery string set includes two battery strings 6 arranged at intervals along the second direction L2, in some feasible embodiments, six battery string sets are provided on one carrier sheet 5, two battery strings 6 are provided in each battery string set, the first direction L1 is perpendicular to the second direction L2, so that the battery string 6 needs to rotate 90 °, the rotation process is completed by synchronously rotating the battery strings 6 during the transfer process, the production continuity is greatly improved, the production efficiency is improved, and those skilled in the art can know that the rotation angle of the battery string 6 can be determined according to the actual typesetting needs, at the first preset station, an orientation detection device and a correction device may be provided for detecting the position of the battery string 6 and aligning the plurality of battery strings 6.
Further, the carrier sheet 5 is glass, the glass is preferably glass in the photovoltaic module, so that glass does not need to be laid in a subsequent procedure, and therefore production efficiency is improved, the photovoltaic module further comprises a battery string component 3, a back plate, a first packaging adhesive layer and a second packaging adhesive layer, two sides of the first packaging adhesive layer are respectively in contact fit with the glass and the battery string component 3, two sides of the second packaging adhesive layer are respectively in contact fit with the back plate and the battery string component 3, and after the stitch welding operation is completed, the first packaging adhesive layer can be laid on the glass in the transfer process of the battery string component 3, and therefore production efficiency is further improved.
Based on the above embodiments, the present application provides a high-speed welding method, including the steps of:
utilize first transport mechanism to translate to first preset station with the battery cluster 6 that the 4 discharge ends of stringer send out, in the transfer process, according to the requirement of row's board order, carry out clockwise or 90 rotations anticlockwise to battery cluster 6, 6 limit of appearance battery cluster are shifted the limit and are swung the cluster, just so need a manipulator among the first transport mechanism just can accomplish the technological effect that two manipulators of manipulator and pendulum cluster manipulator could realize among the prior art, the production continuity has been improved greatly, the production efficiency is improved, and utilize bearing piece 5 initiative to go to accept battery cluster 6, can effectively reduce the stromatolite and reprocess the rate, more be fit for the development of battery piece laminarization.
When the battery string 6 reaches the first preset station, the bearing piece 5 positioned at the first preset station is lifted to the first preset height position, the battery piece is borne by the bearing piece 5 at the moment, the first conveying mechanism releases the battery piece, the bearing piece 5 descends, and compared with a traditional mechanical arm, the battery string is prevented from moving mutually under the condition of no protection, the lamination repair rate is effectively reduced, and the battery string is more suitable for the development of battery piece flaking.
And repeating the steps until the plurality of battery strings on the bearing sheet 5 form the battery string assembly 3 with a preset structure, and transferring the bearing sheet 5 and the battery string assembly 3 which are positioned at the first preset station to a second preset station by the second conveying mechanism.
After the bearing sheet 5 and the battery string component 3 reach the second preset station, the bearing sheet 5 and the battery string component 3 are lifted to the second preset height position, the third conveying mechanism clamps the battery string component 3 and transfers the battery string component to the stitch welding station, the stitch welding device carries out stitch welding operation on the battery string component 3 at the stitch welding station, the stitch welding operation comprises welding of the bus bar 7, the bearing sheet 5 is actively jacked at the second preset station, so that the battery string component 3 is actively contacted with the adsorption end of the third conveying mechanism, the lamination repair rate can be effectively reduced, and the lamination repair method is more suitable for development of battery sheet flaking.
After the stitch welding operation is completed, the third conveying mechanism clamps the battery string assembly 3 and transfers the battery string assembly to the second preset station, the bearing sheet 5 positioned at the second preset station is lifted to a second preset height position, at the moment, the bearing sheet 5 supports the battery string assembly 3, and the third conveying mechanism releases the battery string assembly 3.
Furthermore, before stitch welding operation, an EL detection process is also provided, wherein the EL detection is to detect the welding quality of the battery strings 6 by using the electroluminescence principle, after each battery string 6 is ensured to have no problem, the welding can be started, and if NG strings exist, the whole plate flows out.
Further, after the stitch welding operation is completed, a bus bar 7 film pasting process is further arranged, in the black photovoltaic module production process, a black film is pasted on the surface of the bus bar 7, the black film is preferably a PET film, the attractiveness is improved, and the light reflection phenomenon is reduced.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (10)
1. A high-speed welding system, comprising a series welding unit and a stitch welding unit, wherein the series welding unit is used for outputting a battery string assembly, and the stitch welding unit is used for performing stitch welding operation on the battery string assembly, and wherein:
the stringer includes stringer, bearing mechanism and first transport mechanism, wherein:
the series welding device is used for welding a plurality of battery pieces into a battery string in series;
the bearing mechanism comprises a bearing sheet capable of lifting in a reciprocating manner in the gravity direction;
the first conveying mechanism is used for translating the battery string to a first preset station, when the battery string reaches the first preset station, the bearing sheet in the bearing mechanism is lifted to be at a first preset height position to bear the battery string, and the battery string is driven by the first conveying mechanism to rotate for a preset angle in the translation process, so that the battery strings are arranged and combined on the bearing sheet to form the battery string assembly with a preset structure.
2. The high-speed welding system of claim 1, wherein: the bearing mechanism further comprises a driving piece, and the driving piece is used for driving the bearing sheet to lift in a reciprocating mode in the gravity direction.
3. The high-speed welding system of claim 2, wherein: the battery string assembly is characterized by further comprising a second conveying mechanism, wherein the second conveying mechanism is used for transferring the bearing sheet and the battery string assembly which are positioned at the first preset station to the second preset station.
4. The high-speed welding system of claim 3, wherein: still including third transport mechanism, when being located the station department is predetermine to the second bear the weight of the piece and the battery cluster subassembly is by when the driving piece lifts to the second and predetermines high position, third transport mechanism will battery cluster subassembly adsorbs and shifts to the stitch welding station, stitch welding device in it is right to stitch welding station department battery cluster subassembly carries out stitch welding operation.
5. The high-speed welding system of claim 4, wherein: the battery string is driven by the first conveying mechanism to rotate by 90 degrees during the translation process.
6. The high-speed welding system of claim 1, wherein: the battery string assembly comprises a plurality of battery string groups which are arranged at intervals along a first direction, each battery string group comprises two battery strings which are arranged at intervals along a second direction, and the first direction is vertical to the second direction.
7. The high-speed welding system of claim 1, wherein: the bearing sheet is glass.
8. A high speed welding method, comprising the steps of:
translating the battery string sent out by the discharge end of the series welding device to a first preset station by using a first conveying mechanism, and rotating the battery string clockwise or anticlockwise by 90 degrees according to the requirement of a plate arrangement sequence in the transferring process;
when the battery string reaches a first preset station, the bearing sheet positioned at the first preset station is lifted to a first preset height position, the bearing sheet bears the battery sheet, the first conveying mechanism releases the battery sheet, and the bearing sheet descends;
repeating the steps until a plurality of battery strings on the bearing sheet form a battery string assembly with a preset structure, and then transferring the bearing sheet and the battery string assembly positioned at the first preset station to a second preset station by a second conveying mechanism;
and after the bearing sheet and the battery string assembly reach the second preset station, the bearing sheet and the battery string assembly are lifted to a second preset height position, the third conveying mechanism clamps the battery string assembly and transfers the battery string assembly to a stitch welding station, and a stitch welding device performs stitch welding operation on the battery string assembly at the stitch welding station.
9. The high-speed welding method of claim 8, wherein: before the stitch welding operation, an EL detection process is also provided.
10. The high-speed welding method of claim 8, wherein: after the stitch welding operation is finished, a bus bar film pasting process is also arranged.
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| CN202210516685.XA CN114789313A (en) | 2022-05-12 | 2022-05-12 | High-speed welding system and high-speed welding method |
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