BC film-coated battery string production equipment
By using a continuous conveyor belt and multiple mechanisms working together, the problem of low efficiency in existing BC coated battery string equipment has been solved, achieving continuous production and efficient string making.
Patent Information
- Application Number
- CN202520284509.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing BC coated battery stringing equipment is inefficient, takes a long time to prepare, and cannot achieve continuous production.
By employing the coordinated operation of a continuous conveyor belt, a film supply mechanism, a belt supply mechanism, a cell conveying mechanism, a fixture conveying mechanism, a handling mechanism, and a heating mechanism, the continuous stacking and heating of the adhesive film, welding ribbon, cell, and fixture are achieved to form BC coated battery strings.
It enables continuous production of BC coated battery strings, improves string production efficiency, and reduces preparation time.
Smart Images
Figure CN223666701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solar cell string production technical field, concretely relates to a BC film -coated cell string production equipment. BACKGROUND
[0002] BC (Back Contact) film-coated cell string uses adhesive film to fix the welding strip on the back of the cell piece. In the existing string making process, the BC film-coated cell string is made according to the string, that is, each string of BC film-coated cell string is independent of each other, and the string making equipment needs to prepare multiple adhesive films, multiple groups of welding strips and multiple cell pieces arranged in order, and then stack and heat, which takes a long time for preparation and has low string making efficiency. UTILITY MODEL CONTENTS
[0003] To solve the above technical problems, the utility model provides the following scheme:
[0004] A BC film-coated cell string production equipment, comprising: a continuous conveyor belt, a film supply mechanism, a strip supply mechanism, a cell piece conveying mechanism, a pressing tool conveying mechanism, a carrying mechanism and a heating mechanism, the continuous conveyor belt comprises a vertical conveying section and a horizontal conveying section connected in series, the continuous conveyor belt is conveyed from the vertical conveying section to the horizontal conveying section, the film supply mechanism is used to provide adhesive film to the vertical conveying section, the strip supply mechanism is located on the front side of the input end of the horizontal conveying section and is used to provide welding strip to the input end of the horizontal conveying section, the cell piece conveying mechanism and the pressing tool conveying mechanism are arranged on one side of the horizontal conveying section, the pressing tool conveying mechanism comprises two first conveying belts arranged in parallel, the output end of the cell piece conveying mechanism is located between the two first conveying belts, the conveying direction of the cell piece conveying mechanism is opposite to that of the pressing tool conveying mechanism, the vertical projection of the output end of the cell piece conveying mechanism overlaps that of the pressing tool conveying mechanism, the conveying surface of the cell piece conveying mechanism is lower than that of the pressing tool conveying mechanism, the carrying mechanism is used to carry the cell piece at the output end of the cell piece conveying mechanism and the pressing tool at the output end of the pressing tool conveying mechanism to the input end of the horizontal conveying section at the same time, and the heating mechanism is located above the horizontal conveying section.
[0005] Further, the cell piece conveying mechanism comprises a second conveying belt and a carrying fork, the output end of the second conveying belt is provided with a plurality of regular guide wheels around the periphery, the output end of the second conveying belt is connected to the carrying fork, and the carrying fork is movably arranged below the output end of the pressing tool conveying mechanism.
[0006] Optionally, the BC film-coated battery string production equipment further comprises a PL detection mechanism and a first mechanical arm, the PL detection mechanism is arranged above the second conveying belt, one side of the second conveying belt is provided with a first material box and a second material box, and the first mechanical arm is used for transferring materials at the output end of the second conveying belt and the second material box into the first material box.
[0007] Further, the first material box and the second material box are located above the pressing device conveying mechanism and on the front side of the output end of the pressing device conveying mechanism.
[0008] Further, a second mechanical arm is arranged above the battery piece conveying mechanism, and the second mechanical arm is located on the front side of the output end of the battery piece conveying mechanism.
[0009] Further, the BC film-coated battery string production equipment further comprises a forklift mechanism, a laser piece cutting mechanism, a rotating distance separating gripper and a piece turning mechanism, the laser piece cutting mechanism is arranged above the forklift mechanism, the piece turning mechanism is arranged between the forklift mechanism and the battery piece conveying mechanism, and the rotating distance separating gripper is arranged at the rear end of the laser piece cutting mechanism and is used for carrying the battery piece at the output end of the forklift mechanism to the piece turning mechanism.
[0010] Further, a tape mechanism is arranged between the laser piece cutting mechanism and the rotating distance separating gripper.
[0011] Further, the tape supply mechanism comprises a cutting assembly, a first traction assembly and a second traction assembly, the first traction assembly and the second traction assembly each comprise a plurality of clamps, the plurality of clamps of the first traction assembly and the plurality of clamps of the second traction assembly are staggered with each other, and the first traction assembly and the second traction assembly alternately traction the welding tape.
[0012] Further, the tape supply mechanism further comprises a supporting plate, and the supporting plate is movably arranged between the cutting assembly and the horizontal conveying section.
[0013] Further, the front end of the horizontal conveying section is further provided with a supporting piece and a limiting piece, the supporting piece is provided with a welding tape guide groove, and the supporting piece is located between the limiting piece and the horizontal conveying section.
[0014] Compared with the prior art, the BC film-coated battery string production equipment has the following advantages and beneficial effects:
[0015] In the utility model, the BC laminated battery string production equipment, including: continuous conveyor belt, membrane supply mechanism, tape supply mechanism, battery piece conveying mechanism, pressing tool conveying mechanism, carrying mechanism and heating mechanism, the continuous conveyor belt includes the vertical conveying section and the horizontal conveying section who links, the continuous conveyor belt is conveyed by the vertical conveying section to the horizontal conveying section, the membrane supply mechanism is used for providing the adhesive film to the vertical conveying section, after the adhesive film is transported to the input end of the horizontal conveying section, the tape supply mechanism provides the solder strip on the adhesive film, after the battery piece is conveyed to the output end of the battery piece conveying mechanism, the pressing tool is conveyed to the output end of the pressing tool conveying mechanism, the carrying mechanism carries the battery piece and the pressing tool to the input end of the horizontal conveying section and is overlaid on the solder strip simultaneously, the overlaid adhesive film, solder strip, battery piece and pressing tool are heated to form the BC laminated battery string through the heating mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the structure schematic view of the first embodiment of the utility model BC laminated battery string production equipment;
[0017] Fig. 2 It is the string laying mode schematic view of the utility model BC laminated battery string production equipment;
[0018] Fig. 3 It is the local structure schematic view of the second embodiment of the utility model BC laminated battery string production equipment.
[0019] Wherein: 100, adhesive film;200, solder strip;300, battery piece;400, pressing tool;110, continuous conveyor belt;111, vertical conveying section;112, horizontal conveying section;120, tape supply mechanism;121, cutting assembly;122, first traction assembly;123, second traction assembly;124, supporting plate;130, battery piece conveying mechanism;131, second conveyor belt;132, carrying fork;140, pressing tool conveying mechanism;150, carrying mechanism;160, heating mechanism;170, PL detection mechanism;180, first manipulator;190, first magazine;210, second magazine;220, second manipulator;230, support;240, limiting piece;250, fork conveying mechanism;251, first fork conveying assembly;252, second fork conveying assembly;260, laser slicing mechanism;270, rotary distance gripping hand;280, flipping mechanism;290, adhesive tape mechanism. DETAILED DESCRIPTION
[0020] The technical scheme and technical effect of the utility model are further described in detail in combination with the drawings of the utility model.
[0021] In the description of the utility model, unless another explicit provision and limitation, the term "connect", "connection", "fixed" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integral; can be directly connected, also can pass through the indirect connection of intermediate medium, can be two element internal communication or two element mutual action relation. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0022] In the description of the embodiment, the orientation or position relationship of the terms "upper", "lower", "right" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. It should be noted that in this text, relational terms such as "first" and "second" are merely used to distinguish a first feature from a second feature, and do not necessarily require or imply any such actual relationship or order between the features.
[0023] As Figs. 1-3 shown, in the first embodiment of the utility model, the BC film-coated battery string production equipment, including: continuous conveyor belt 110, film supply mechanism, tape supply mechanism 120, battery piece conveying mechanism 130, pressing tool conveying mechanism 140, carrying mechanism 150 and heating mechanism 160, continuous conveyor belt 110 includes the vertical conveying section 111 and horizontal conveying section 112 connected in series, and the continuous conveyor belt 110 is conveyed from the vertical conveying section 111 to the horizontal conveying section 112, the film supply mechanism is used to provide adhesive film 100 to the vertical conveying section 111, the tape supply mechanism 120 is located at the front side of the input end of the horizontal conveying section 112 and is used to provide solder strip 200 to the input end of the horizontal conveying section 112, the battery piece conveying mechanism 130 and the pressing tool conveying mechanism 140 are arranged on one side of the horizontal conveying section 112, the pressing tool conveying mechanism 140 includes two first conveyor belts arranged in parallel, the output end of the battery piece conveying mechanism 130 is located between the two first conveyor belts, the conveying direction of the battery piece conveying mechanism 130 is opposite to that of the pressing tool conveying mechanism 140, the vertical projection of the output end of the battery piece conveying mechanism 130 overlaps with that of the pressing tool conveying mechanism 140, the conveying surface of the battery piece conveying mechanism 130 is lower than that of the pressing tool conveying mechanism 140, the carrying mechanism 150 is used to carry the battery piece 300 located at the output end of the battery piece conveying mechanism 130 and the pressing tool 400 located at the output end of the pressing tool conveying mechanism 140 to the input end of the horizontal conveying section 112 at the same time, and the heating mechanism 160 is located above the horizontal conveying section 112.
[0024] It should be noted that the press 400 has a plurality of through holes, the battery piece suction end of the carrying mechanism 150 passes through the through holes to suction the battery piece 300, and the press suction end of the carrying mechanism 150 suctions two ends of the press 400 to simultaneously carry the battery piece 300 and the press 400. The conveying surface of the continuous conveying belt 110 is provided with suction holes capable of suctioning the adhesive film 100, so that the adhesive film 100 can be conveyed from the vertical conveying section 111 to the horizontal conveying section 112.
[0025] The working mode of the BC film-coated battery string production equipment is as follows: the film supply mechanism continuously conveys the adhesive film 100 to the vertical conveying section 111, the battery piece conveying mechanism 130 continuously conveys the battery piece, the press conveying mechanism 140 continuously conveys the press 400, and every time an adhesive film 100 is conveyed to the input end of the horizontal conveying section 112, the ribbon supply mechanism 120 lays the welding ribbon on the adhesive film 100, the carrying mechanism 150 simultaneously carries the battery piece 300 located at the output end of the battery piece conveying mechanism 130 and the press 400 located at the output end of the press conveying mechanism 140, and stacks them on the adhesive film welding ribbon 200, and after the mutually stacked adhesive film 100, welding ribbon 200, battery piece 300 and press 400 pass through the heating mechanism 160, the adhesive film 100 is melted and adhered to the battery piece 300 and the welding ribbon 200 is fixed to the battery piece 300. In the utility model, the press 400 is used to keep the adhesive film 100, the welding ribbon 200 and the battery piece 300 stable and provide pressure, so that when the adhesive film 100 is heated and softened, the welding ribbon 200 can be embedded in the adhesive film 100, the battery piece 300 is in direct contact with the adhesive film 100 and adhered to the adhesive film 100.
[0026] In the embodiment, the battery piece conveying mechanism 130 comprises a second conveying belt 131 and a carrying fork 132, the second conveying belt 131 is provided with at least one, the output end of the second conveying belt 131 is provided with a plurality of regular guide wheels, the output end of the second conveying belt 131 is connected with the carrying fork 132, and the carrying fork 132 is movably arranged below the output end of the press conveying mechanism 140. After the battery piece 300 is conveyed to the output end of the second conveying belt 131, the regular guide wheels push the edges of the battery piece 300 to regularize the battery piece 300, and then the carrying fork 132 carries the battery piece 300 to the position directly below the output end of the press conveying mechanism 140, so as to ensure the position accuracy of the battery piece 300.
[0027] In this embodiment, the BC film-coated battery string production device further comprises a PL detection mechanism 170 and a first mechanical hand 180. The PL detection mechanism 170 is arranged above the second conveying belt 131. The second conveying belt 131 is provided with a first material box 190 and a second material box 210 on one side. The first mechanical hand 180 is used to transfer the material at the output end of the second conveying belt 131 and the second material box 210 into the first material box 190. The first material box 190 is used to place unqualified battery pieces 300, and the second material box 210 is used to place separator paper. The battery pieces 300 are subjected to PL detection. The unqualified battery pieces 300 are conveyed to the output end of the second conveying belt 131, then grabbed and transferred into the first material box 190 by the first mechanical hand 180. The first mechanical hand 180 then takes a piece of separator paper from the second material box 210 and places it on the unqualified battery pieces 300 in the first material box 190. Then the first mechanical hand 180 continues to grab the next battery piece 300 and places it on the separator paper in the first material box 190, and again takes a piece of separator paper from the second material box 210 and places it on the battery piece 300 in the first material box 190. It should be noted that the electrodes of the two adjacent battery pieces 300 in the BC battery string are different, and the battery piece conveying mechanism 130 conveys two types of battery pieces 300 arranged at intervals. Therefore, when one of the battery pieces 300 is unqualified, the next battery piece 300 also needs to be removed, and the separator paper is used to protect the next battery piece 300. The battery pieces 300 in the first material box 190 can be recycled and used.
[0028] In this embodiment, the first material box 190 and the second material box 210 are located above the press conveying mechanism 140 and on the front side of the output end of the press conveying mechanism 140, so that the device is more compact.
[0029] In this embodiment, a second mechanical hand 220 is arranged above the battery piece conveying mechanism 130 and on the front side of the output end of the battery piece conveying mechanism 130. The second mechanical hand 220 is used to adsorb and grab a battery piece 300 and insert it into the sequence of subsequent battery pieces 300 to adjust the order of the battery pieces 300, so as to make different versions of BC film-coated battery strings. For example, the total number of battery pieces 300 in two adjacent BC film-coated battery strings is even, and the types of the first battery piece 300 in the two BC film-coated battery strings are respectively the types of the two adjacent battery pieces 300 conveyed by the battery piece conveying mechanism 130.
[0030] In the second embodiment of the embodiment, the BC film-coated battery string production device further comprises a forklift mechanism 250, a laser dicing mechanism 260, a rotating distance separating gripper 270, and a flipping mechanism 280. The laser dicing mechanism 260 is arranged above the forklift mechanism 250, the flipping mechanism 280 is arranged between the forklift mechanism 250 and the battery sheet conveying mechanism 130, and the rotating distance separating gripper 270 is arranged at the rear end of the laser dicing mechanism 260 and is used to carry the battery sheet 300 at the output end of the forklift mechanism 250 to the flipping mechanism 280. The laser dicing mechanism 260 is used to cut the battery sheet 300 into pieces. After the forklift mechanism 250 forks the battery sheet 300 to pass below the laser dicing mechanism 260, the battery sheet 300 is evenly cut into two halves. After the rotating distance separating gripper 270 picks up the two pieces of battery sheet 300 formed after cutting and adjusts the distance between the two pieces, the rotating distance separating gripper 270 is rotated by 90 degrees and placed on the flipping mechanism 280. The flipping mechanism 280 flips the battery sheet 300 and places it on the battery sheet conveying mechanism 130 with the front of the battery sheet 300 facing upwards.
[0031] In the embodiment, a tape mechanism 290 is further arranged between the laser dicing mechanism 260 and the rotating distance separating gripper 270. The tape mechanism is used to paste a tape on one long side of the battery sheet 300 after cutting. After stringing, the tape can cover the gap between the two adjacent battery sheets 300.
[0032] In the utility model, the tape feeding mechanism 120 comprises a cutting assembly 121, a first traction assembly 122 and a second traction assembly 123. The first traction assembly 122 and the second traction assembly 123 each comprise a plurality of clamps. The plurality of clamps of the first traction assembly 122 and the plurality of clamps of the second traction assembly 123 are staggered with each other. The first traction assembly 122 and the second traction assembly 123 alternately pull the welding tape 200. The welding tape 200 pulled by the first traction assembly 122 and the second traction assembly 123 is staggered with each other. The cutting assembly 121 is used to cut off the welding tape 200. When cutting, the first traction assembly 122 or the second traction assembly 123 clamps the leading end of the welding tape 200. After cutting, the first traction assembly 122 or the second traction assembly 123 pulls the welding tape 200 and lays it on the adhesive film 100.
[0033] Further, the tape feeding mechanism 120 further comprises a supporting plate 124 movably arranged between the cutting assembly 121 and the horizontal conveying section 112. When the first traction assembly 122 or the second traction assembly 123 pulls the welding tape 200, the supporting plate 124 is used to support the trailing end of the welding tape 200 to move with the first traction assembly 122 or the second traction assembly 123.
[0034] Further, the utility model discloses, the front end of horizontal conveying section 112 still is equipped with support 230 and limiting piece 240, is equipped with the welding band guide groove on support 230, and support 230 is located between limiting piece 240 and horizontal conveying section 112. Arc transition section between vertical conveying section 111 and horizontal conveying section 112 has, support 230 and limiting piece 240 are arranged in the upper of arc transition section, and support 230 is used for supporting the side of battery piece 300, and limiting piece 240 then plays the role of guiding, avoids the radial deviation of welding band 200.
[0035] The above disclosed is only the preferred embodiment of the utility model, of course can not with this to limit the right range of the utility model, and the person skilled in the art can understand the all or part process of realizing the above-mentioned embodiment, and the equivalent change of the utility model right claim, still belongs to the range that the utility model covers.
Claims
1. A BC film-coated battery string production apparatus characterized by The continuous conveying belt (110) comprises a vertical conveying section (111) and a horizontal conveying section (112) connected to each other, and the continuous conveying belt (110) is conveyed from the vertical conveying section (111) to the horizontal conveying section (112); the film feeding mechanism is used to provide the adhesive film (100) to the vertical conveying section (111); the ribbon feeding mechanism (120) is located at the front side of the input end of the horizontal conveying section (112) and is used to provide the solder ribbon (200) to the input end of the horizontal conveying section (112); the battery piece conveying mechanism (130) and the pressing tool conveying mechanism (140) are arranged on one side of the horizontal conveying section (112); the pressing tool conveying mechanism (140) comprises two first conveying belts arranged in parallel, and the output end of the battery piece conveying mechanism (130) is located between the two first conveying belts; the conveying direction of the battery piece conveying mechanism (130) is opposite to that of the pressing tool conveying mechanism (140); the vertical projection of the output end of the battery piece conveying mechanism (130) overlaps with that of the pressing tool conveying mechanism (140); the conveying surface of the battery piece conveying mechanism (130) is lower than that of the pressing tool conveying mechanism (140); the carrying mechanism (150) is used to simultaneously carry the battery piece (300) located at the output end of the battery piece conveying mechanism (130) and the pressing tool (400) located at the output end of the pressing tool conveying mechanism (140) to the input end of the horizontal conveying section (112); and the heating mechanism (160) is located above the horizontal conveying section (112).
2. The BC film-coated battery string production apparatus according to claim 1, characterized by: The battery piece conveying mechanism (130) comprises a second conveying belt (131) and a carrying fork (132); the output end of the second conveying belt (131) is provided with a plurality of regular guide wheels around the periphery; the output end of the second conveying belt (131) is connected to the carrying fork (132); and the carrying fork (132) is movably arranged below the output end of the pressing tool conveying mechanism (140).
3. The BC film-coated battery string production apparatus according to claim 2, characterized by: The PL detection mechanism (170) is arranged above the second conveying belt (131); one side of the second conveying belt (131) is provided with a first material box (190) and a second material box (210); and the first mechanical arm (180) is used to transfer the materials at the output end of the second conveying belt (131) and the second material box (210) to the first material box (190).
4. The BC film-coated battery string production apparatus according to claim 3, characterized by: The first material box (190) and the second material box (210) are located above the pressing tool conveying mechanism (140) and are located at the front side of the output end of the pressing tool conveying mechanism (140).
5. The BC film-coated battery string production apparatus according to claim 1, characterized by: A second mechanical arm (220) is arranged above the battery piece conveying mechanism (130) and located at the front side of the output end of the battery piece conveying mechanism (130).
6. The BC film-coated battery string production apparatus according to claim 1, characterized by: The fork conveying mechanism (250), the laser scribing mechanism (260), the rotating distance separating gripper (270) and the piece turning mechanism (280) are further included, the laser scribing mechanism (260) is arranged above the fork conveying mechanism (250), the piece turning mechanism (280) is arranged between the fork conveying mechanism (250) and the battery piece conveying mechanism (130), and the rotating distance separating gripper (270) is arranged at the rear end of the laser scribing mechanism (260) and used for conveying the battery piece (300) at the output end of the fork conveying mechanism (250) to the piece turning mechanism (280).
7. The BC film-coated battery string production apparatus according to claim 6, characterized by: The adhesive tape mechanism (290) is further arranged between the laser scribing mechanism (260) and the rotating distance separating gripper (270).
8. The BC film-coated battery string production apparatus according to claim 1, characterized by: The tape feeding mechanism (120) includes a cutting assembly (121), a first traction assembly (122) and a second traction assembly (123), the first traction assembly (122) and the second traction assembly (123) each include a plurality of clamps, the plurality of clamps of the first traction assembly (122) and the plurality of clamps of the second traction assembly (123) are staggered with each other, and the first traction assembly (122) and the second traction assembly (123) alternately traction the solder tape (200).
9. The BC film-coated battery string production apparatus according to claim 8, characterized by: The tape feeding mechanism (120) further includes a supporting plate (124) which is movably arranged between the cutting assembly (121) and the horizontal conveying section (112).
10. The BC film-coated battery string production apparatus according to claim 1, characterized by: The front end of the horizontal conveying section (112) is further provided with a support (230) and a limiting piece (240), the support (230) is provided with a solder tape guide groove, and the support (230) is located between the limiting piece (240) and the horizontal conveying section (112).