CN210099286U - Heterogeneous crystalline silicon solar cell welding system - Google Patents
Heterogeneous crystalline silicon solar cell welding system Download PDFInfo
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- CN210099286U CN210099286U CN201920892442.XU CN201920892442U CN210099286U CN 210099286 U CN210099286 U CN 210099286U CN 201920892442 U CN201920892442 U CN 201920892442U CN 210099286 U CN210099286 U CN 210099286U
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 229910021419 crystalline silicon Inorganic materials 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000001179 sorption measurement Methods 0.000 claims description 15
- 230000001174 ascending effect Effects 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 10
- 238000001816 cooling Methods 0.000 description 6
- 241000252254 Catostomidae Species 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model aims at providing a heterogeneous crystalline silicon solar cell welding system, including frame, solder strip loading attachment, cell piece workbin, conveyer belt, cell piece grabbing device and heating cabinet all set up in the frame, cell grabbing device is used for snatching the cell piece in the cell piece workbin to the conveyer belt, the heating cabinet sets up on the conveyer belt; weld and take loading attachment includes a plurality of leading pulleys, a plurality of tensioning sub-components, cutting sub-component and welds the area and snatch the sub-component, and a plurality of leading pulleys all rotate and set up in the frame, are provided with a plurality of tensioning sub-components between a plurality of leading pulleys and the conveyer belt, are provided with the cutting sub-component between a plurality of tensioning sub-components and the conveyer belt. The utility model has the advantages of improve solar wafer's welding efficiency.
Description
Technical Field
The utility model relates to a solar cell technical field, concretely relates to heterogeneous crystalline silicon solar wafer welding system.
Background
High efficiency and low cost are decisive factors for survival and development of photovoltaic technology, and currently, in the high-efficiency crystalline silicon cell technology which is produced in large quantity, for heterojunction solar energy technology with an amorphous silicon thin layer, namely SHJ (also called HIT, HJT and the like), the preparation method is expected to become one of mainstream technologies in the photovoltaic industry due to the advantages of low-temperature preparation, simple process steps, good temperature coefficient and the like. The preparation process temperature of each film layer of the SHJ solar cell is below 250 ℃, and in order to keep the electrical property of the cell and not damage the film layer, the preparation temperature of the subsequent modules cannot exceed 230 ℃ within a certain time. In addition, the silicon heterojunction solar cell has a double-sided symmetrical structure, the thickness of the silicon wafer is reduced, the cell piece is not bent and deformed, and the silicon heterojunction solar cell is very suitable for preparing ultrathin cells.
In the manufacturing process of the solar cell module, welding strips are welded on the surfaces of the single cell pieces, and then a certain number of cell pieces are connected in series or in parallel to achieve the set output voltage and current. Chinese patent No. CN207787906U discloses a series welding machine, which comprises: a conveying device; the heating device is positioned above the conveying device, and a preheating area, a welding area and a cooling area are sequentially formed on the heating device along the conveying direction of the conveying device; two sets of first baffles are respectively arranged at one end of the welding area close to the preheating area and one end of the welding area close to the cooling area, and a first set distance is arranged between the two sets of first baffles. According to the series welding machine, the two groups of first baffles block heat at one end, close to the preheating area, of the welding area and at one end, close to the cooling area, of the welding area, the heat of the welding area is prevented from radiating to the preheating area and the cooling area, the unwelded battery piece and the welding strip in the preheating area are prevented from being welded together in advance at one end, close to the welding area, of the unwelded battery piece and the welding strip in the cooling area, secondary melting welding is prevented at one end, close to the welding area, of the welded battery piece and the welding strip in the cooling area, and it is guaranteed that welding tension of all positions of a welded battery string meets design requirements.
The prior art has the following defects: when the series welding machine is used for connecting a certain number of battery pieces in series or in parallel, an operator needs to place the battery pieces on the conveying device and lay the welding belts on the battery pieces, so that the period for welding the battery pieces is long, and the efficiency is low.
Disclosure of Invention
An object of the utility model is to provide a heterogeneous crystalline silicon solar wafer welding system has the advantage that improves solar wafer's welding efficiency.
In order to achieve the above object, the utility model adopts the following technical scheme: a heterogeneous crystalline silicon solar cell welding system comprises a rack, a welding strip feeding device, a cell strip feeding box, a conveying belt, a cell strip grabbing device and a heating box, wherein the welding strip feeding device, the cell strip feeding box, the conveying belt, the cell strip grabbing device and the heating box are all arranged on the rack;
the welding strip feeding device comprises a plurality of guide belt wheels, a plurality of tensioning sub-pieces, a plurality of cutting sub-pieces and a welding strip grabbing sub-piece, the guide belt wheels are all rotatably arranged on the rack, the tensioning sub-pieces are arranged between the guide belt wheels and the conveying belt, and the cutting sub-pieces are arranged between the tensioning sub-pieces and the conveying belt.
By adopting the technical scheme, the welding belts on the guide belt wheels pass through the tensioning sub-pieces respectively, the welding belt grabbing sub-pieces grab the welding belts and lay the welding belts on the conveying belt, and the cutting sub-pieces cut off the welding belts. The battery piece grabbing device grabs a battery piece from the battery piece material box and places the battery piece on the conveying belt. After the conveyer belt drives first piece of battery piece and removes a distance, stall, the solder strip snatchs the sub-piece and snatchs many solder strips and lay on the conveyer belt for laying of solder strip is on first piece of battery piece, and the other end of solder strip is laid on the conveyer belt that is close to the cutting sub-piece, and many solder strips are cut off to the cutting sub-piece, and battery piece grabbing device snatchs a piece of battery piece from the battery piece workbin and places on the conveyer belt. The conveyer belt rotates, drives two battery pieces and removes for the one end that two battery pieces link to each other all is located the heating cabinet, and the heating cabinet heats welding to two battery pieces, thereby reaches the effect that improves solar wafer's welding efficiency.
Preferably, the tensioning sub-element comprises a first tensioning wheel and a second tensioning wheel, the first tensioning wheel and the second tensioning wheel are both rotatably arranged on the frame, and the second tensioning wheel is located right above the second tensioning wheel.
Through adopting above-mentioned technical scheme, the one end of welding the area on the leading pulley passes through between first take-up pulley and the second take-up pulley, and first take-up pulley and the cooperation of second take-up pulley compress tightly and weld the area to make the cutting sub-part cut off and weld the area after, the effect of the area of welding on the leading pulley is still neatly rolled up on the leading pulley.
Preferably, the cutting sub-part includes pneumatic cylinder, first cutting blade and second cutting blade, the pneumatic cylinder is fixed to be set up in the frame, the piston of pneumatic cylinder extends along vertical decurrent direction, first cutting blade with the tip fixed connection of the piston rod of pneumatic cylinder, second cutting blade fixed mounting is in the frame, first cutting blade is located the second cutting blade directly over, the length direction of first cutting blade and second cutting blade all with the direction of transfer of conveyer belt is perpendicular.
Through adopting above-mentioned technical scheme, when needing to cut off and weld the area, the piston rod of pneumatic cylinder extends along vertical decurrent direction, drives first cutting blade downstream, and when the piston rod of pneumatic cylinder stretches out completely, first cutting knife and second cutting knife butt to reach and cut off the effect of welding the area.
Preferably, the welding strip grabbing sub-part comprises a movable cross arm, a first electric push rod, a first vacuum pump, a plurality of first air inlet pipes and a plurality of first suckers, the first electric push rod is fixedly arranged on the rack, the length direction of the first electric push rod is parallel to the conveying direction of the conveying belt, a piston rod of the first electric push rod extends in the direction close to the tensioning sub-part, the movable cross arm is fixedly arranged at the end part of the piston rod of the first electric push rod, the first vacuum pump is fixedly arranged on the movable cross arm, the plurality of first air inlet pipes are all connected with the air inlet end of the first vacuum pump, one end, far away from the first vacuum pump, of each of the plurality of first air inlet pipes is respectively connected with the plurality of first suckers, and the plurality of first suckers are respectively opposite to the plurality of tensioning sub-parts.
Through adopting above-mentioned technical scheme, when the piston rod of first electric putter stretches out completely along the direction that is close to the tensioning son, a plurality of first sucking discs are just to a plurality of tensioning son respectively, and the vacuum pump work, and a plurality of first sucking discs adsorb many respectively and weld the area. The piston rod of the first electric push rod retracts in the direction away from the tensioning sub-element, so that the effect of driving the plurality of welding strips to move onto the conveying belt is achieved.
Preferably, the rack is further provided with two slide rails, the two slide rails are located on two sides of the movable cross arm respectively, the length direction of the slide rails is perpendicular to the length direction of the movable cross arm, rollers are arranged at two ends of the movable cross arm, and the rollers at two ends of the movable cross arm slide in the two slide rails respectively.
By adopting the technical scheme, the effect of enabling the movable cross arm to stably move in the moving process is achieved.
Preferably, the bottom of workbin on the battery piece is provided with second electric putter, the piston rod of second electric putter extends along vertical ascending direction, the tip fixedly connected with backup pad of piston rod of second electric putter, still be provided with in the backup pad and place the board, the backup pad with place and be provided with a plurality of springs between the board, it is a plurality of the spring extends along vertical direction.
Through adopting above-mentioned technical scheme, operating personnel piles up the battery piece and places on placing the board, and battery grabbing device snatchs the battery piece of the top to the conveyer belt on. After the battery grabbing device grabs the battery piece of placing the board on the top, the pressure that the gravity that a plurality of springs received from the battery piece reduces, and a plurality of springs promote the panel rebound. When the distance between the battery grabbing device and the battery piece at the top is too large, and the battery grabbing device cannot grab the battery piece at the top, the second electric push rod pushes the supporting plate to move along the vertical upward direction, so that the battery grabbing device can grab the battery piece at the top, and the effect of grabbing the battery piece to the conveying belt is achieved.
Preferably, the battery piece grabbing device comprises a supporting cross arm, a sliding block, a second vacuum pump, a plurality of second air inlet pipes and a plurality of second suction cups, the supporting cross arm is fixedly arranged on the rack, one end of the supporting cross arm is positioned right above the conveyor belt, the other end of the supporting cross arm is positioned right above a material box on the battery piece, the length direction of the supporting cross arm is perpendicular to the conveying direction of the conveyor belt, a sliding groove is formed in the side wall of the supporting cross arm, the sliding block is arranged in the sliding groove in a sliding manner, an adsorption plate is fixedly arranged at one end, outside the sliding groove, of the sliding block, the adsorption plate is parallel to the conveyor belt, the second vacuum pump is fixedly arranged on the adsorption plate, the second air inlet pipes are all connected with the air inlet end of the second vacuum pump, and one ends, away from the second vacuum pump, of the second air inlet pipes are, the second suckers are all arranged on the adsorption plate in a penetrating mode, the second suckers are all right opposite to the conveyor belt, and a driving piece which drives the sliding block to do reciprocating motion along the length direction of the supporting cross arm is arranged on the supporting cross arm.
Through adopting above-mentioned technical scheme, the driving piece drives the slider and removes, and when the adsorption plate was located and places the board directly over, the second vacuum pump was opened for a plurality of second sucking discs adsorb the battery piece that is located the top. After the battery piece was adsorbed to a plurality of second sucking discs, the driving piece drove the slider and removed, and when the slider removed to the conveyer belt directly over, the second vacuum pump was closed for the panel dropped to the conveyer belt under the effect of gravity on, thereby accomplished the material loading work of panel.
Preferably, the driving part comprises a reciprocating screw rod and a first internal thread sleeve which is in threaded connection with the reciprocating screw rod, the reciprocating screw rod is rotatably arranged in a chute of the supporting cross arm, the length direction of the supporting cross arm is parallel to the length direction of the reciprocating screw rod, the sliding block is arranged on the reciprocating screw rod in a penetrating mode, the sliding block is fixedly connected with the outer wall of the first internal thread sleeve, and a motor which drives the reciprocating screw rod to rotate is arranged on the supporting cross arm.
Through adopting above-mentioned technical scheme, the reciprocal lead screw of motor drive rotates for the internal thread sleeve produces along with reciprocal lead screw pivoted trend, and the slider prevents the internal thread sleeve to rotate with the telescopic outer wall fixed connection of first internal thread. Therefore, under the rotation of the reciprocating screw rod, the internal thread sleeve drives the sliding block to reciprocate along the length direction of the sliding groove of the supporting cross arm, so that the effect of driving the sliding block to reciprocate along the length direction of the sliding groove of the supporting cross arm is achieved.
Preferably, a plurality of infrared heating pipes are arranged on a plurality of side walls of the heating box.
Through adopting above-mentioned technical scheme, many infrared heating pipe carry out heat welding's work to two adjacent battery pieces.
In conclusion, the beneficial effects of the invention are as follows:
1. the utility model has the advantages of improving the welding effect of the solar cell;
2. the utility model discloses a still be provided with two slide rails in the frame, two slide rails are located the both sides of removing the xarm respectively, and the both ends of removing the xarm all are provided with the gyro wheel, and the gyro wheel at the both ends of removing the xarm slides respectively in two slide rails, has the advantage that makes to remove the xarm at removal in-process steady removal.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the utility model after the slide rail is hidden and a partial cross-sectional view for showing the infrared heating tube;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the battery piece grabbing device and the battery piece material box for displaying the battery piece of the present invention;
fig. 5 is an enlarged schematic view of a portion B in fig. 4.
In the figure, 1, a frame; 2. a welding strip feeding device; 21. a guide pulley; 22. a tensioning sub-assembly; 221. a first tensioning wheel; 222. a second tensioning wheel; 23. cutting the sub-part; 231. a pneumatic cylinder; 232. a first cutting blade; 233. a second cutting blade; 24. welding a strip grabbing sub-part; 241. moving the cross arm; 242. a first electric push rod; 243. a first vacuum pump; 244. a first intake pipe; 245. a first suction cup; 3. a battery piece feeding box; 31. a second electric push rod; 32. a support plate; 33. placing the plate; 34. a return spring; 4. a conveyor belt; 5. a battery piece gripping device; 51. a supporting cross arm; 52. a slider; 53. a second vacuum pump; 54. a second intake pipe; 55. a second suction cup; 6. a heating box; 61. an infrared heating pipe; 7. a slide rail; 8. a drive member; 81. a reciprocating screw; 82. an internally threaded sleeve; 9. an electric motor.
Detailed Description
The technical solution in the embodiments of the present invention is clearly and completely described below with reference to fig. 1 to 5 of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a welding system for a heterogeneous crystalline silicon solar cell comprises a frame 1, a welding strip feeding device 2, a cell strip feeding box 3, a conveying belt 4, a cell strip gripping device 5 and a heating box 6. Welding strip loading attachment 2, battery piece workbin 3, conveyer belt 4, battery piece grabbing device 5 and heating cabinet 6 all set up in frame 1, and battery grabbing device is used for snatching the battery piece in the battery piece workbin 3 to conveyer belt 4 on, and heating cabinet 6 sets up on conveyer belt 4. In this embodiment, three infrared heating pipes 61 are disposed on four side walls of the heating box 6.
Referring to fig. 2 and 3, the welding strip feeding device 2 includes three guide pulleys 21, three tensioning sub-members 22, a cutting sub-member 23 and a welding strip grabbing sub-member 24, wherein the three guide pulleys 21 are arranged in parallel along the width direction of the conveyor belt 4, the three tensioning sub-members 22 are arranged in parallel along the width direction of the conveyor belt 4, the three guide pulleys 21 are all rotatably arranged on the frame 1, and the welding strip is wound on the guide pulleys 21 around the circumference of the guide pulleys 21. A tensioning sub-member 22 is correspondingly arranged between one of the guide pulleys 21 and the conveyor belt 4, the tensioning sub-member 22 comprises a first tensioning wheel 221 and a second tensioning wheel 222, the first tensioning wheel 221 and the second tensioning wheel 222 are both rotatably arranged on the frame 1, and the second tensioning wheel 222 is positioned right above the second tensioning wheel 222. A cutting sub-assembly 23 is arranged between the three tensioning sub-assemblies 22 and the conveyor belt 4, the cutting sub-assembly 23 comprises a pneumatic cylinder 231, a first cutting blade 232 and a second cutting blade 233, the pneumatic cylinder 231 is fixedly arranged on the frame 1, and a piston of the pneumatic cylinder 231 extends in a vertically downward direction. The first cutting blade 232 is fixedly connected with the end of the piston rod of the pneumatic cylinder 231, the second cutting blade 233 is fixedly installed on the frame 1, the first cutting blade 232 is positioned right above the second cutting blade 233, and the length directions of the first cutting blade 232 and the second cutting blade 233 are both perpendicular to the conveying direction of the conveyor belt 4.
Before welding work, the battery grabbing device firstly grabs a battery piece and lays the battery piece on the conveyer belt 4, and the conveyer belt 4 drives a first battery piece to move a distance of a battery piece width. One end of the welding strip on the three guide pulley 21 respectively passes through the part between the first tension pulley 221 and the second tension pulley 222 of the three tension sub-members 22, and the first tension pulley 221 and the second tension pulley 222 are matched to press the welding strip, so that the welding strip on the guide pulley 21 is still wound on the guide pulley 21 in order after the welding strip is cut by the cutting sub-member 23. The solder strip grabbing sub-part 24 grabs three solder strips and lays the solder strips on the conveying belt 4, so that one ends of the three solder strips are located on the first battery piece, and the other ends of the three solder strips are located on the conveying belt 4 close to the cutting sub-part 23. The piston rod of pneumatic cylinder 231 extends along vertical decurrent direction, drives first cutting blade 232 and moves down, and when the piston rod of pneumatic cylinder 231 stretched out completely, first cutting knife and second cutting knife butt cut off and weld the area.
Referring to fig. 2 and 3, the solder strip grabbing sub-assembly 24 includes a moving cross arm 241, a first electric push rod 242, a first vacuum pump 243, three first air inlet pipes 244 and three first suction trays 245, the first electric push rod 242 is fixedly arranged on the frame 1, the length direction of the first electric push rod 242 is parallel to the conveying direction of the conveyor belt 4, and the piston rod of the first electric push rod 242 extends in the direction close to the tensioning sub-assembly 22. The movable cross arm 241 is fixedly provided at an end of a piston rod of the first electric push rod 242, and the first vacuum pump 243 is fixedly provided on the movable cross arm 241. The three first air inlet pipes 244 are connected with the air inlet end of the first vacuum pump 243, one ends, far away from the first vacuum pump 243, of the three first air inlet pipes 244 are connected with three first suction discs 245 respectively, and the three first suction discs 245 are arranged right opposite to the three tensioning sub-pieces 22 respectively. The rack 1 is further provided with two slide rails 7, the two slide rails 7 are respectively located on two sides of the moving cross arm 241, the length direction of the slide rails 7 is perpendicular to the length direction of the moving cross arm 241, rollers are respectively arranged at two ends of the moving cross arm 241, and the rollers at two ends of the moving cross arm 241 respectively slide in the two slide rails 7.
When the piston rod of the first electric push rod 242 is fully extended in the direction close to the tensioning sub-element 22, the three first suction discs 245 respectively face the three tensioning sub-elements 22, the vacuum pump works, and the three first suction discs 245 respectively suck three welding strips. After the welding rod is adsorbed, the piston rod of the first electric push rod 242 is retracted along the direction away from the tensioning sub-element 22, so as to drive the plurality of welding strips to move onto the conveyor belt 4.
Referring to fig. 4 and 5, the bottom of the battery pack upper box 3 is provided with a second electric push rod 31, and a piston rod of the second electric push rod 31 extends in a vertically upward direction. A supporting plate 32 is fixedly connected to an end of the piston rod of the second electric push rod 31, a placing plate 33 is further disposed on the supporting plate 32, and a plurality of springs are disposed between the supporting plate 32 and the placing plate 33 and extend in the vertical direction.
Referring to fig. 4 and 5, the battery piece gripping device 5 includes a supporting cross arm 51, a slide block 52, a second vacuum pump 53, four second air inlet pipes 54, and four second suction cups 55, the supporting cross arm 51 is fixedly disposed on the frame 1, one end of the supporting cross arm 51 is located right above the conveyor belt 4, and the other end of the supporting cross arm 51 is located right above the battery piece bin 3. The length direction of the supporting cross arm 51 is perpendicular to the conveying direction of the conveyor belt 4, a sliding groove is formed in the side wall of the supporting cross arm 51, a sliding block 52 is arranged in the sliding groove in a sliding mode, an adsorption plate is fixedly arranged at one end, located outside the sliding groove, of the sliding block 52, and the adsorption plate is parallel to the conveyor belt 4. The fixed second vacuum pump 53 that is provided with on the adsorption plate, four second intake pipes 54 all are connected with second vacuum pump 53's inlet end, and the one end that second vacuum pump 53 was kept away from to four second intake pipes 54 is connected with four second sucking discs 55 respectively, and four second sucking discs 55 all wear to establish on the adsorption plate, and four second sucking discs 55 all just set up conveyer belt 4, and in this embodiment, four second sucking discs 55 are located around the adsorption plate respectively. The supporting cross arm 51 is provided with a motor 9, and an output shaft of the motor 9 is coaxially connected with one end of a reciprocating screw 81.
After the cutting-off operation of the welding strip is completed, the motor 9 is started to drive the reciprocating screw 81 to rotate, so that the internal thread sleeve 82 tends to rotate along with the reciprocating screw 81, and the sliding block 52 is fixedly connected with the outer wall of the first internal thread sleeve 82 to prevent the internal thread sleeve 82 from rotating. Therefore, when the reciprocating screw 81 rotates, the female screw socket 82 causes the slider 52 to reciprocate in the longitudinal direction of the slide groove of the support crossbar 51. When the slider 52 moves to the end of the supporting arm 51 at the end outside the conveyor belt 4 and the suction plate is positioned directly above the placement plate 33, the second vacuum pump 53 is turned on, so that the four second suction cups 55 suck the uppermost battery piece. After the four second suction cups 55 suck the battery pieces, the slider 52 moves in a direction approaching the conveyor belt 4 while the reciprocating screw 81 continues to rotate. When the sliding block 52 moves to the end part of the reciprocating screw 81 on the conveyor belt 4, the adsorption plate is positioned right above the conveyor belt 4, and the second vacuum pump 53 is turned off, so that the battery plate falls onto the conveyor belt 4 under the action of gravity, and the charging work of the battery plate is completed.
The utility model discloses an implement the principle and do: before welding work, the battery grabbing device firstly grabs a battery piece and lays the battery piece on the conveyer belt 4, and the conveyer belt 4 drives a first battery piece to move a distance of a battery piece width. One end of the welding strip on the three guide pulley 21 respectively passes through the part between the first tension pulley 221 and the second tension pulley 222 of the three tension sub-members 22, and the first tension pulley 221 and the second tension pulley 222 are matched to press the welding strip, so that the welding strip on the guide pulley 21 is still wound on the guide pulley 21 in order after the welding strip is cut by the cutting sub-member 23. The piston rod of the first electric push rod 242 extends completely in the direction close to the tensioning sub-element 22, the three first suction cups 245 are respectively opposite to the three tensioning sub-elements 22, the vacuum pump works, and the three first suction cups 245 respectively suck three welding strips. After adsorbing the welding rod, the piston rod of first electric putter 242 withdraws along the direction of keeping away from tensioning sub-22 again to drive many and weld the area and remove to on the conveyer belt 4, make three one end of welding the area all be located first battery piece, three other ends of welding the area are located the conveyer belt 4 that is close to cutting sub-23. The piston rod of pneumatic cylinder 231 extends along vertical decurrent direction, drives first cutting blade 232 and moves down, and when the piston rod of pneumatic cylinder 231 stretched out completely, first cutting knife and second cutting knife butt cut off and weld the area. After the cutting-off operation of the welding strip is completed, the motor 9 is started to drive the reciprocating screw 81 to rotate, so that the internal thread sleeve 82 tends to rotate along with the reciprocating screw 81, and the sliding block 52 is fixedly connected with the outer wall of the first internal thread sleeve 82 to prevent the internal thread sleeve 82 from rotating. Therefore, when the reciprocating screw 81 rotates, the female screw socket 82 causes the slider 52 to reciprocate in the longitudinal direction of the slide groove of the support crossbar 51. When the slider 52 moves to the end of the supporting arm 51 at the end outside the conveyor belt 4 and the suction plate is positioned directly above the placement plate 33, the second vacuum pump 53 is turned on, so that the four second suction cups 55 suck the uppermost battery piece. After the four second suction cups 55 suck the battery pieces, the slider 52 moves in a direction approaching the conveyor belt 4 while the reciprocating screw 81 continues to rotate. When slider 52 removed the tip that reciprocating screw 81 is located on conveyer belt 4, the adsorption plate is located conveyer belt 4 directly over, second vacuum pump 53 closes, make the panel drop to conveyer belt 4 under the effect of gravity on, thereby accomplish the material loading work of panel, make the second piece battery piece be located conveyer belt 4 directly over, conveyer belt 4 rotates, drive two panels and remove, one end that links to each other until two panels all is located heating cabinet 6, infrared heating pipe 61 above four inside walls of heating cabinet 6 carries out the heat welding to two battery pieces.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (9)
1. The utility model provides a heterogeneous crystalline silicon solar cell piece welding system which characterized in that: the welding strip feeding device (2), the battery piece feeding box (3), the conveying belt (4), the battery piece grabbing device (5) and the heating box (6) are all arranged on the rack (1), the battery piece grabbing device is used for grabbing battery pieces in the battery piece feeding box (3) onto the conveying belt (4), and the heating box (6) is arranged on the conveying belt (4);
welding belt loading attachment (2) include a plurality of leading pulley (21), a plurality of tensioning son spare (22), cutting son spare (23) and weld the belt and snatch son spare (24), and is a plurality of leading pulley (21) all rotate to be set up on frame (1), it is a plurality of be provided with a plurality of tensioning son spare (22) between leading pulley (21) and conveyer belt (4), it is a plurality of be provided with cutting son spare (23) between tensioning son spare (22) and conveyer belt (4).
2. The welding system of the hetero-crystalline silicon solar cell of claim 1, wherein: the tensioning sub-element (22) comprises a first tensioning wheel (221) and a second tensioning wheel (222), the first tensioning wheel (221) and the second tensioning wheel (222) are both rotatably arranged on the frame (1), and the second tensioning wheel (222) is positioned right above the second tensioning wheel (222).
3. The welding system of the hetero-crystalline silicon solar cell of claim 1, wherein: the cutting sub-part (23) comprises a pneumatic cylinder (231), a first cutting blade (232) and a second cutting blade (233), the pneumatic cylinder (231) is fixedly arranged on the frame (1), a piston of the pneumatic cylinder (231) extends along a vertical downward direction, the first cutting blade (232) is fixedly connected with the end part of the piston rod of the pneumatic cylinder (231), the second cutting blade (233) is fixedly arranged on the frame (1), the first cutting blade (232) is positioned right above the second cutting blade (233), and the length directions of the first cutting blade (232) and the second cutting blade (233) are perpendicular to the conveying direction of the conveyor belt (4).
4. The welding system of the hetero-crystalline silicon solar cell of claim 1, wherein: the welding strip grabbing sub-part (24) comprises a movable cross arm (241), a first electric push rod (242), a first vacuum pump (243), a plurality of first air inlet pipes (244) and a plurality of first sucking discs (245), wherein the first electric push rod (242) is fixedly arranged on the rack (1), the length direction of the first electric push rod (242) is parallel to the conveying direction of the conveying belt (4), a piston rod of the first electric push rod (242) extends along the direction close to the tensioning sub-part (22), the movable cross arm (241) is fixedly arranged at the end part of the piston rod of the first electric push rod (242), the first vacuum pump (243) is fixedly arranged on the movable cross arm (241), the plurality of first air inlet pipes (244) are connected with the air inlet end of the first vacuum pump (243), and one ends, far away from the first vacuum pump (243), of the plurality of first air inlet pipes (244) are respectively connected with the plurality of first sucking discs (245), the first suction cups (245) are respectively arranged opposite to the tensioning sub-elements (22).
5. The hetero-crystalline silicon solar cell welding system of claim 4, wherein: the rack (1) is further provided with two sliding rails (7), the two sliding rails (7) are located on two sides of the movable cross arm (241) respectively, the length direction of the sliding rails (7) is perpendicular to the length direction of the movable cross arm (241), rollers are arranged at two ends of the movable cross arm (241), and the rollers at two ends of the movable cross arm (241) slide in the two sliding rails (7) respectively.
6. The welding system of the hetero-crystalline silicon solar cell of claim 1, wherein: the bottom of workbin (3) is provided with second electric putter (31) on the battery piece, the piston rod of second electric putter (31) extends along vertical ascending direction, the tip fixedly connected with backup pad (32) of the piston rod of second electric putter (31), still be provided with on backup pad (32) and place board (33), backup pad (32) and place and be provided with a plurality of springs between board (33), it is a plurality of the spring extends along vertical direction.
7. The welding system of the hetero-crystalline silicon solar cell of claim 6, wherein: the battery piece grabbing device (5) comprises a supporting cross arm (51), a sliding block (52), a second vacuum pump (53), a plurality of second air inlet pipes (54) and a plurality of second suction cups (55), wherein the supporting cross arm (51) is fixedly arranged on the rack (1), one end of the supporting cross arm (51) is positioned right above the conveying belt (4), the other end of the supporting cross arm (51) is positioned right above the battery piece feeding box (3), the length direction of the supporting cross arm (51) is perpendicular to the conveying direction of the conveying belt (4), a sliding groove is formed in the side wall of the supporting cross arm (51), the sliding block (52) is arranged in the sliding groove in a sliding mode, an adsorption plate is fixedly arranged at one end, located outside the sliding groove, of the sliding block (52) and parallel to the conveying belt (4), the second vacuum pump (53) is fixedly arranged on the adsorption plate, many second intake pipe (54) all are connected with the inlet end of second vacuum pump (53), many the one end that second vacuum pump (53) were kept away from in second intake pipe (54) is connected with a plurality of second sucking discs (55) respectively, and a plurality of second sucking discs (55) all wear to establish on the adsorption plate, and is a plurality of second sucking discs (55) all just are to conveyer belt (4) set up, be provided with drive slider (52) on supporting xarm (51) and do reciprocating motion's driving piece (8) along the length direction who supports xarm (51).
8. The welding system of the hetero-crystalline silicon solar cell of claim 7, wherein: the driving piece (8) comprises a reciprocating screw rod (81) and a first internal thread sleeve (82) in threaded connection with the reciprocating screw rod (81), the reciprocating screw rod (81) is arranged in a sliding groove of the supporting cross arm (51) in a rotating mode, the length direction of the supporting cross arm (51) is parallel to the length direction of the reciprocating screw rod (81), the sliding block (52) penetrates through the reciprocating screw rod (81), the sliding block (52) is fixedly connected with the outer wall of the first internal thread sleeve (82), and a motor (9) for driving the reciprocating screw rod (81) to rotate is arranged on the supporting cross arm (51).
9. The welding system of the hetero-crystalline silicon solar cell of claim 1, wherein: a plurality of infrared heating pipes (61) are arranged on a plurality of side walls of the heating box (6).
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| CN201920892442.XU CN210099286U (en) | 2019-06-14 | 2019-06-14 | Heterogeneous crystalline silicon solar cell welding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570960A (en) * | 2020-05-27 | 2020-08-25 | 郑州峻斯电子科技有限公司 | Solar wafer stringer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111570960A (en) * | 2020-05-27 | 2020-08-25 | 郑州峻斯电子科技有限公司 | Solar wafer stringer |
| CN111570960B (en) * | 2020-05-27 | 2021-06-22 | 芜湖舍达激光科技有限公司 | Solar wafer stringer |
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