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CN-115224162-B - Photovoltaic cell cluster manufacturing equipment

CN115224162BCN 115224162 BCN115224162 BCN 115224162BCN-115224162-B

Abstract

The invention discloses photovoltaic cell string manufacturing equipment which comprises a feeding mechanism, a welding strip feeding mechanism, a jig feeding and discharging mechanism, a welding mechanism, a coating and curing mechanism and a cell string conveying mechanism. The multi-strand welding strips and the battery pieces with the lengths required by the cutting process are sequentially placed by the traction mechanism and the mechanical arm, so that the front and the back of the adjacent batteries are pre-welded into battery strings by the multi-strand welding strips, the front and the back of the battery strings are coated with adhesive points in the follow-up working flow, the risk of poor lap joint is thoroughly eliminated by curing, the front and the back PAD points of the composite film and the battery pieces are eliminated, the surface shielding of the photovoltaic battery pieces is reduced, the use of silver paste is reduced, and the cost is greatly reduced.

Inventors

  • ZHOU JIAN
  • LU LONGLONG
  • TAO YI

Assignees

  • 苏州迈展自动化科技有限公司

Dates

Publication Date
20260505
Application Date
20220822

Claims (12)

  1. 1. A photovoltaic cell string manufacturing device is characterized by comprising, The feeding mechanism (100) comprises a material box conveying runway (101), a material box lifting mechanism (102), a battery piece feeding mechanism (103), a battery piece conveying runway (104) and a battery piece wire feeding mechanism; The welding strip feeding mechanism (200) comprises an unreeling mechanism (201), a cutting mechanism (204) and a traction mechanism (203); the jig winding and unwinding mechanism (300) comprises a jig winding mechanism and a jig winding mechanism; A welding mechanism (400) for welding the welding strip and the battery piece to form a battery string; a coating and curing mechanism (500) comprising a front coating and curing mechanism (501), a battery string overturning mechanism (502) and a back coating and curing mechanism (503); A battery string conveying mechanism (600) comprising a belt conveying structure; The welding mechanism (400) comprises a first heating module and a second heating module, wherein the first heating module heats the bottom of the battery string, and the second heating module heats the upper surface of the battery string; the front-side coating and curing mechanism (501) and the back-side coating and curing mechanism (503) comprise a coating mechanism and a curing mechanism; The battery string overturning mechanism (502) further comprises a heating device, and the heating device heats the battery string in the carrying process; One end of the material box conveying runway (101) is connected with the material box lifting mechanism (102); the battery piece material box moves onto the lifting platform (102 a) from the material box conveying runway (101); The output end of the battery piece feeding mechanism (103) is connected with a grabbing plate (103 a), the grabbing plate (103 a) grabs the battery piece and places the battery piece at one end of a battery piece conveying runway (104), and a CCD positioning platform (104 a) is arranged at the other end of the battery piece conveying runway (104); The photovoltaic cell string manufacturing equipment further comprises a manipulator (105), wherein the manipulator (105) is arranged at the position of the CCD positioning platform (104 a); the welding strip is arranged on the unreeling mechanism (201), and the traction mechanism (203) pulls the welding strip to pass through the cutting mechanism (204) and cut into a plurality of welding strips.
  2. 2. The photovoltaic cell string manufacturing apparatus according to claim 1, wherein the magazine transport runway (101) is driven by a belt, on which the cell magazine (101 a) is placed, and a plurality of cells are stacked on an inner layer of the cell magazine (101 a).
  3. 3. The photovoltaic cell string manufacturing apparatus according to claim 2, characterized in that a drive belt is provided on the lifting platform (102 a), which drive belt is aligned with the magazine conveyor track (101).
  4. 4. The photovoltaic cell string manufacturing apparatus according to claim 3, wherein suction nozzles (103 a-1) are mounted at both ends of the gripping plate (103 a), the gripping plate (103 a) is located above the lifting platform (102 a) and always parallel to the lifting platform (102 a), and the suction nozzles (103 a-1) grip the cells and place the cells at one end of a cell conveying runway (104).
  5. 5. The photovoltaic cell string production apparatus according to claim 1, wherein the cell piece on-line mechanism is a manipulator chuck module (105 a) on a manipulator (105), and the manipulator chuck module (105 a) is used for grabbing and placing the cell pieces.
  6. 6. The photovoltaic cell string manufacturing apparatus according to claim 1, wherein the jig feeding mechanism comprises a manipulator magnetic module (105 b) on a manipulator (105), the manipulator magnetic module (105 b) is used for grabbing and placing a main treatment jig, and the jig feeding mechanism comprises a main treatment jig feeding mechanism (303).
  7. 7. The photovoltaic cell string production apparatus according to claim 6, wherein the jig feeding mechanism further comprises a sub-jig feeding mechanism (304), and the jig discharging mechanism further comprises a sub-jig discharging mechanism (305).
  8. 8. The photovoltaic cell string production apparatus according to claim 7, wherein the jig feeding and discharging mechanism (300) further comprises a jig positioning mechanism (301) and a jig reflow runway (302), and the sub-jig feeding mechanism (305) and the main-jig feeding mechanism (303) grip and place the sub-jig and the main-jig on the jig reflow runway (302) for reflow.
  9. 9. The photovoltaic cell string production apparatus according to claim 1, wherein the solder ribbon feeding mechanism (200) further comprises a soldering flux container (202), the solder ribbon is a composite metal wire, the soldering flux container (202) is located at one end of the unreeling mechanism, the traction mechanism (203) pulls the solder ribbon to pass through the soldering flux container (202) and the cutting mechanism (204) in sequence, and the surface of the solder ribbon is coated with soldering flux through the soldering flux container (202) and then cut into a plurality of solder ribbons through the cutting mechanism (204).
  10. 10. The photovoltaic cell string production apparatus according to claim 1, wherein the welding mechanism (400) is heated by infrared heating.
  11. 11. The photovoltaic cell string manufacturing apparatus according to claim 1, wherein the coating and curing mechanism (500) comprises two sets of the string flipping mechanism (502) and the back coating and curing mechanism (503) that are provided in a mating arrangement.
  12. 12. The photovoltaic cell string production apparatus according to claim 1, wherein the cell string turning mechanism (502) is disposed adjacent to the cell string conveying mechanism (600), the cell string turning mechanism (502) places the coated and cured cell string on a conveyor belt of the cell string conveying mechanism (600), and the produced cell string is conveyed to the next station to complete the cell string production process.

Description

Photovoltaic cell cluster manufacturing equipment Technical Field The invention relates to the technical field of solar photovoltaic equipment manufacturing, in particular to solar photovoltaic high-speed adhesive-coated battery string manufacturing equipment. Background In the manufacturing field of solar photovoltaic equipment at home and abroad, solar photovoltaic series welding machine equipment exists in the prior art, a battery piece main grid and a metal wire are welded through silver paste in the manufacturing process of a battery string, the alignment degree requirement of the position between the metal wire and the battery piece main grid is high, the main grid connection welding contact area of the metal wire battery piece is small, and the welding performance is general. In addition, silver paste welding has a great influence on light transmittance; In addition, the main grid welding technology is available, after a single battery string unit is manufactured by means of the transparent composite film and the metal wire, the single battery string unit is connected with a battery product, and in the subsequent manufacturing process of the photovoltaic module, the low-melting-point alloy on the surface of the metal wire and the grid wire are connected through lamination. Disclosure of Invention 1. Technical problem to be solved by the invention The invention provides battery string manufacturing equipment, which is used for solving the problems that the light transmittance of battery pieces is reduced, the conductivity is reduced, the welding strength is insufficient and the like due to the fact that the welding between the battery pieces is easy to reduce by designing equipment for connecting a structure of a welding strip for connecting the battery pieces in series. 2. Technical proposal In order to achieve the above purpose, the technical scheme provided by the invention is that photovoltaic cell string manufacturing equipment comprises a feeding mechanism, wherein the feeding mechanism comprises a material box conveying runway, a material box lifting mechanism, a cell feeding mechanism, a cell conveying runway and a cell feeding mechanism; the welding strip feeding mechanism comprises an unreeling mechanism, a cutting mechanism and a traction mechanism, and the jig feeding and discharging mechanism comprises a jig feeding mechanism and a jig discharging mechanism, the welding mechanism is used for welding a welding strip and a battery piece to form a battery string, the coating and curing mechanism comprises a front coating and curing mechanism, a battery string overturning mechanism and a back coating and curing mechanism, and the battery string conveying mechanism comprises a belt conveying structure. As a further improvement of the invention, the material box conveying runway adopts belt transmission, a battery piece material box is placed on the material box conveying runway, a plurality of battery pieces are stacked on the inner layer of the battery piece material box, and one end of the material box conveying runway is connected with the material box lifting mechanism. As a further improvement of the invention, the lifting platform is arranged on the material box lifting mechanism, a transmission belt is arranged on the lifting platform, the transmission belt is aligned with the material box conveying runway, and the battery piece material box moves from the material box conveying runway to the lifting platform. As a further improvement of the invention, the output end of the battery piece feeding mechanism is connected with a grabbing plate, suction nozzles are arranged at two ends of the grabbing plate, the grabbing plate is positioned above the lifting platform and is always parallel to the lifting platform, the suction nozzles grab the battery pieces and place the battery pieces at one end of a battery piece conveying runway, and a CCD positioning platform is arranged at the other end of the battery piece conveying runway. As a further improvement of the invention, the manufacturing equipment further comprises a manipulator, wherein the manipulator is arranged at the position of the CCD positioning platform, the battery piece wire feeding mechanism is a manipulator sucker module on a machine, and the manipulator sucker module is used for grabbing and placing the battery pieces. As a further improvement of the invention, the manufacturing equipment further comprises a manipulator, the manipulator is arranged at the position of the CCD positioning platform, the jig feeding mechanism comprises a manipulator magnetic module on the manipulator, the manipulator magnetic block is used for grabbing and placing the main treatment jig, and the jig discharging mechanism comprises a main treatment jig discharging mechanism. As a further improvement of the invention, the jig line feeding mechanism further comprises a secondary jig line feeding mechanism, and the jig line discharging mechanism furt