CN112549809A - Double-piece printing method and printing equipment for solar cell - Google Patents

Double-piece printing method and printing equipment for solar cell Download PDF

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Publication number
CN112549809A
CN112549809A CN202011544571.3A CN202011544571A CN112549809A CN 112549809 A CN112549809 A CN 112549809A CN 202011544571 A CN202011544571 A CN 202011544571A CN 112549809 A CN112549809 A CN 112549809A
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China
Prior art keywords
printing
workbench
piece
battery piece
conveying
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Pending
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CN202011544571.3A
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Chinese (zh)
Inventor
陆瑜
陈宇
李强
周剑
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Suzhou Maxwell Technologies Co Ltd
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Suzhou Maxwell Technologies Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
    • B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
    • B41F17/14—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of finite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/50—Printing presses for particular purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2217/00—Printing machines of special types or for particular purposes
    • B41P2217/50—Printing presses for particular purposes
    • B41P2217/60—Means for supporting the articles
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Specific Conveyance Elements (AREA)
  • Secondary Cells (AREA)
  • Screen Printers (AREA)

Abstract

The invention discloses a double-sheet printing method and printing equipment for solar cells, which are characterized in that two cells are simultaneously conveyed to a workbench, so that the arrangement mode and the relative position of a first cell and a second cell on the workbench are consistent with the arrangement mode and the relative position of a first printing area A and a second printing area B on a printing working head, and the printing working head can simultaneously print the first cell and the second cell in the process of one-time printing, thereby improving the printing efficiency of the cells and enabling the structure of the printing equipment to be more compact.

Description

Double-piece printing method and printing equipment for solar cell
Technical Field
The invention relates to the technical field of automation, is mainly applied to the solar photovoltaic industry, and particularly relates to a double-sheet printing method and printing equipment for solar cells.
Background
The existing photovoltaic cell production is one-piece printing, the wafer is fed through roll paper, or a mechanical hand moves a top of the wafer, then the position of the silicon wafer relative to the X \ Y \ T position on the top of the wafer is confirmed through visual shooting, and the position of a printing head X \ Y \ T relative to the silicon wafer on the top of the wafer is adjusted to correct when a rotary table rotates 90 degrees, so that printing is carried out. At present, only one cell is generally conveyed to a table top at a time, and the cell is printed by one printing working head, so that the production capacity is severely limited.
In addition, with the current size of the battery piece becoming smaller and smaller, the battery piece product with a rectangular cross section appears in the market, the size of the battery piece product is half of that of the original square piece, and the equipment is not fully used due to the adoption of the original transmission table for transmission, so that the capacity is wasted.
Disclosure of Invention
The invention aims to provide a double-sheet printing method of a solar cell, which is used for improving the printing efficiency of the cell and improving the productivity.
In order to achieve the purpose, the invention adopts the technical scheme that: a double-sheet printing method of a solar cell sheet comprises the following steps:
s1, transmitting a first battery piece and a second battery piece to a workbench, and enabling the first battery piece and the second battery piece to be tiled on the workbench according to a preset relative position;
and S2, conveying the workbench to a printing station, and simultaneously printing the first battery piece and the second battery piece on the workbench by the printing working head.
Preferably, the step S1 includes:
a) conveying the first battery piece to the workbench;
b) acquiring a first actual position of the first battery piece on the workbench;
c) acquiring a second actual position of the second battery piece on the second workbench according to the first actual position and the preset relative position;
d) and transferring the second battery piece to the workbench according to the second actual position.
Further, the two-sheet printing method further includes:
step S101, the printing working head adjusts the position of the printing working head according to the first actual position, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one,
the step S101 is performed after the first actual position is obtained and before printing by the printing head starts.
Further, the two-sheet printing method further includes:
and S102, adjusting the position of the printing working head according to the first actual position and/or the second actual position by the printing working head, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one, and after the second actual position is obtained in the step S102 and before the printing of the printing working head is started.
Further, the step S102 is completed during the process of transferring the working platform from the sheet feeding station to the printing station.
As another preferable mode, the two-sheet printing method further includes:
step S103, detecting the self offset position of the workbench;
step S104, the printing working head adjusts the position of the printing working head according to the offset position and the first actual position and/or the second actual position, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one,
the steps S103 and S104 are both after the step S1 and before the step S2.
Further, the second battery piece is conveyed to the workbench through a conveying device.
Further, a visual assembly is adopted to obtain the first actual position, a carrying device is adopted to carry the second battery piece to the workbench, and the visual assembly is in communication connection with the carrying device and the printing working head.
Further, the first battery piece is conveyed to the workbench through one or more of a paper winding mechanism, a conveying belt mechanism and a conveying device.
Preferably, the printing working head is provided with a first printing area and a second printing area which are arranged in a tiled mode, and the relative position between the first printing area and the second printing area forms the preset relative position.
Preferably, the worktable carrying the first battery piece and the second battery piece sequentially passes through the piece feeding station, the printing station and the piece discharging station along a conveying track.
The second objective of the present invention is to provide a double-printing apparatus for solar cells, so as to improve the printing efficiency of the solar cells and the productivity.
In order to achieve the purpose, the invention adopts the technical scheme that: the double-piece printing equipment for the solar cell comprises a transmission mechanism, a workbench, a piece feeding station, a printing station and a piece discharging station, wherein the piece feeding station, the printing station and the piece discharging station are arranged along the conveying track of the transmission mechanism; the workstation sets up on the transmission device, just the workstation can be followed transmission device carry the orbit reciprocating ground and remove, wherein, first battery piece and second battery piece can bear flatly on the workstation, the print station is equipped with the print head, the print head is last to have first printing region and second printing region, first printing region with the second printing region sets up with predetermined relative position on the print head, biplate lithography apparatus still including can advance the piece station will first battery piece with the second battery piece is according to predetermined relative position transmit extremely pass piece device on the workstation.
Preferably, the sheet conveying device comprises:
the first sheet conveying mechanism is used for conveying the first battery sheet to the workbench;
the visual assembly is used for detecting a first actual position of the first battery piece on the workbench and acquiring a second actual position of the second battery piece on the workbench according to the first actual position and the preset relative position;
and the second sheet conveying mechanism is used for conveying the second battery sheet to the workbench according to the second actual position.
Further, the second sheet conveying mechanism at least comprises a conveying device used for conveying the second battery sheet to the workbench.
Furthermore, the carrying device comprises a sucker mechanism which is used for adsorbing and fixing the battery piece and can translate along the horizontal direction and lift along the vertical direction.
Furthermore, the vision assembly is in communication connection with the carrying device and the printing working head.
Further, the first sheet conveying mechanism comprises one or more of a paper rolling mechanism, a conveying belt mechanism and a carrying device.
Further, first wafer conveying mechanism is including being used for conveying along first transmission direction first wafer unit of first battery piece, second passes wafer mechanism and is used for conveying along second transmission direction the second of second battery piece passes the wafer unit to and be used for with the second battery piece from pass on the wafer unit the handling device on the workstation, first transmission direction with second transmission direction is parallel to each other.
Further, the vision assembly is located above the table at the film feeding station.
Preferably, the sheet conveying device comprises a sheet conveying unit for carrying and conveying the battery sheets, and a conveying device for conveying the battery sheets on the sheet conveying unit to the workbench.
Preferably, the conveying mechanism comprises a rotary table capable of rotating around the axis line of the conveying mechanism, and the workbench is fixedly arranged on the rotary table.
As another preferable mode, the conveying mechanism includes an endless track, the work table is disposed on the endless track so as to be capable of running along an extending direction of the endless track, the printing apparatus further includes an offset detection station, the offset detection station is located between the sheet feeding station and the printing station, and the offset detection station is further provided with an offset detection assembly for detecting an offset of the work table on the endless track.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the double-piece printing equipment for the solar battery pieces, the two battery pieces are conveyed to the workbench at the same time, so that the arrangement mode and the relative position of the first battery piece and the second battery piece on the workbench are consistent with the arrangement mode and the relative position of the first printing area A and the second printing area B on the printing working head, the printing working head can print the first battery piece and the second battery piece at the same time in the process of one-time printing, the printing efficiency of the battery pieces is improved, and the structure of the printing equipment is more compact.
Drawings
FIGS. 1-1 to 1-18 are schematic views illustrating a relative position between a first printing area A and a second printing area B of a printing head according to the present invention;
FIGS. 2-1 to 2-18 are schematic diagrams of a first cell and a second cell being transferred to a worktable at predetermined relative positions according to FIGS. 1-1 to 1-18;
fig. 3 to 8 are schematic diagrams of a structure and a work flow of a twin-sheet printing apparatus according to embodiment 1 of the present invention;
FIG. 9 is a concrete structure of a sheet conveying apparatus in embodiment 1;
FIG. 10 is another concrete structure of the sheet conveying apparatus in embodiment 1;
FIG. 11 is a schematic view showing a structure of a sheet conveying apparatus according to another embodiment;
FIG. 12 is a schematic structural view of a two-sheet printing apparatus according to embodiment 3 of the present invention;
FIG. 13 is a schematic structural view of a two-sheet printing apparatus according to embodiment 4 of the present invention;
wherein: 100. a transport mechanism; 101. a turntable; 102. an annular track; 200. a film feeding station; 201. a first sheet conveying unit; 202. a second sheet conveying unit; 203. a sheet conveying unit; 204. a carrying device; 300. a film discharging station; 301. a first sheet discharging unit; 302. a second sheet discharging unit; 400. a printing station; 10. a work table; 20. printing a working head; 30. a visual component; 40. an offset detection component; 1. a first cell piece; 2. and a second cell piece.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.
Example 1
Referring to fig. 3 to 8, the apparatus for printing solar cells on two sheets comprises a conveying mechanism 100, a workbench 10, a sheet feeding station 200, a printing station 400 and a sheet discharging station 300, wherein the sheet feeding station 200, the printing station 400 and the sheet discharging station 300 are arranged along a conveying track of the conveying mechanism 100, the workbench 10 is arranged on the conveying mechanism 100, and the workbench 10 can move back and forth along the conveying track of the conveying mechanism 100, so that the workbench 10 passes through the sheet feeding station 200, the printing station 400 and the sheet discharging station 300 in sequence.
In this embodiment, the transport mechanism 100 includes a disk-shaped turntable 101 that is rotatable about its axis, a plurality of tables 10 are provided on the turntable 101 at intervals in the circumferential direction, the tables 10 are fixed to the turntable, and the number of the tables 10 is one more than the number of the processing stations (i.e., the sheet feeding station 200, the printing station 400, and the sheet discharging station 300) for backup. The sheet feeding station 200 and the sheet discharging station 300 are located on two different sides of the rotary table in the same radial direction, namely, the sheet feeding station 200 and the sheet discharging station 300 are arranged at an interval of 180 degrees.
The workbench 10 can simultaneously carry two battery pieces, namely a first battery piece 1 and a second battery piece 2, which are flatly laid on the workbench 10 with a space left between the first battery piece 1 and the second battery piece 2, for conveying, so that the first battery piece 1 and the second battery piece 2 can be transferred to the printing station 400 and the sheet discharging station 300 along with the movement of the workbench 10.
The printing station 400 is provided with a printing head 20, and the printing head 20 has a first printing area a and a second printing area B, which are provided on the printing head 20 at predetermined relative positions. The two-sheet printing equipment further comprises a sheet conveying device which can convey the first battery sheet 1 and the second battery sheet 2 to the workbench 10 at the sheet feeding station 200 according to the preset relative position.
Referring to fig. 1-1 to 1-18, the arrangement of the first printing region a and the second printing region B previously arranged on the printing head 20 is illustrated, which is only some of the exemplary arrangements, and in fact, it is only necessary that the first printing region a and the second printing region B do not overlap on the printing head 20.
Accordingly, as shown in fig. 2-1 to 2-18, the arrangement of the first cell 1 and the second cell 2 on the worktable 10 in 18 conditions corresponding to those shown in fig. 1-1 to 1-18 is illustrated, that is, after the first cell 1 and the second cell 2 are transferred to the worktable 10, the relative position between the two cells is required to be ensured to correspond to the preset relative position between the first printing area a and the second printing area B on the printing head 10. In this way, when the table 10 carrying the first battery piece 1 and the second battery piece 2 is conveyed to the lower part of the printing head 10, the printing head 10 can make the first printing area a correspond to the first battery piece 1 and the second printing area B just correspond to the second battery piece 2 after the whole position is adjusted, so that the first battery piece 1 and the second battery piece 2 can be printed synchronously after the printing head 10 descends.
Pass the piece device and include:
the first sheet conveying mechanism is used for conveying the first battery sheet 1 to the workbench 10;
the vision assembly 30 is used for detecting a first actual position of the first battery piece 1 on the workbench 10 and acquiring a second actual position of the second battery piece 2 on the workbench 10 according to the first actual position and a preset relative position on the printing working head 10;
and the second sheet conveying mechanism is used for conveying the second battery sheet 2 to the workbench 10 according to the second actual position. Therefore, the first cell piece 1 and the second cell piece 2 are transmitted to the workbench 10 according to the preset relative position, so that the arrangement mode and the position of the first cell piece 1 and the second cell piece 2 on the workbench 10 are consistent with the arrangement mode and the position of the first printing area a and the second printing area B on the printing working head 10.
In this embodiment, the vision assembly 30 is provided as a group, and is disposed above the workbench 10 located at the film feeding station 200, the vision assembly 30 at least includes a camera, a light source, and the like, and obtains an overall image of the workbench 10 carrying the first battery piece 1 by photographing for analysis, so as to obtain a first actual position of the first battery piece 1 on the workbench 10, and obtain a second actual position of the second battery piece 2 on the workbench 10 according to the first actual position and a preset relative position.
In the above-mentioned sheet conveying device, the second sheet conveying mechanism at least includes a conveying device 204 for conveying the second battery sheet 2 onto the table 10, and the vision module 30 is communicatively connected to the conveying device 204 and the printing head 20.
The carrying device 204 may specifically adopt a suction cup mechanism, which can adsorb and fix the battery piece, and can move horizontally and lift vertically, so as to carry the second battery piece 2 to the workbench 10 precisely at a specified position, that is, to carry the second battery piece 2 to the second actual position of the workbench 10 precisely. In other embodiments, the carrying device 204 may also be a fork, a belt, a suction cup, or other combinations.
In this embodiment, the cross sections of the first battery piece 1 and the second battery piece 2 are rectangular, and the first battery piece 1 and the second battery piece 2 are conveyed along the length direction of the battery pieces during conveying, and are respectively conveyed to the workbench 10 and are tiled on the workbench 10 at a certain interval. The printing area on the printing head 10 is preferably arranged in a similar manner to that shown in fig. 1-1 to 1-9, and correspondingly, the first cell piece 1 and the second cell piece 2 on the working table 10 are arranged in a similar manner to that shown in fig. 2-1 to 2-9.
Fig. 9 and 10 show two specific structural forms of the sheet conveying device in the twin sheet printing apparatus of the present embodiment, which are described here as two sub-embodiments:
referring to fig. 9, a first sub-embodiment is shown, in the sheet conveying device of the first sub-embodiment, the first sheet conveying mechanism includes a first sheet conveying unit 201 for conveying the first battery sheet 1 along the first conveying direction, the second sheet conveying mechanism includes a second sheet conveying unit 202 for conveying the second battery sheet 2 along the second conveying direction, and a conveying device 204 for conveying the second battery sheet 2 from the second sheet conveying unit 202 to the workbench 10, the first sheet conveying unit 201 and the second sheet conveying unit 202 are spaced from each other, and the first conveying direction and the second conveying direction are parallel to each other. Here, both the first sheet conveying unit 201 and the second sheet conveying unit 202 employ a winding mechanism.
In this way, the first battery piece 1 is directly transferred to the workbench 10 by the first piece transferring unit 201, the vision assembly 30 first obtains a first actual position of the first battery piece 1 on the workbench 10, and obtains a second actual position of the second battery piece 2 on the workbench 10; when the second battery piece 2 is transferred to one side of the worktable 10 by the second sheet transfer unit 202, the carrying device 204 carries the second battery piece 2 onto the worktable 10 so that the second battery piece 2 falls at the second actual position. In this way, it is achieved that the first cell piece 1 and the second cell piece 2 are laid on the table 10 at a predetermined relative position to be transferred to the printing station 400.
In some embodiments, a conveying device 204 may be added to one side of the first film conveying unit 201 to convey the first battery film 1 onto the worktable 10 by conveying.
Referring to fig. 10, a second sub-embodiment is shown, which uses a sheet conveying device similar to that of the first sub-embodiment, and mainly differs in that a conveyor belt mechanism is used for both the first sheet conveying unit 201 and the second sheet conveying unit 202.
When the double-sheet printing equipment of the embodiment prints the solar cell, the following steps are carried out:
referring to fig. 3, at the sheet feeding station 200, the first battery sheet 1 is transferred onto the workbench 10 through the first sheet transferring unit 201, as shown in fig. 4, the vision assembly 30 photographs to obtain a first actual position of the first battery sheet 1 on the workbench 10, and obtains a second actual position of the second battery sheet 2 on the workbench 10 according to a preset relative position on the printing working head 20, and then the carrying device 204 carries the second battery sheet 2 on the second sheet transferring unit 202 onto the workbench 10 according to the second actual position, as shown in fig. 5.
The rotary table of the transport mechanism 100 rotates, so that the table 10 carrying the first battery piece 1 and the second battery piece 2 reaches the printing station 400, so that the table 10 is located below the printing head 20, and the printing head 20 prints on the first battery piece 1 and the second battery piece 2, as shown in fig. 6. Before the workbench 10 reaches the printing station 400 and at the latest before the printing head 20 starts to print the first battery piece 1 and the second battery piece 2, the printing head 20 adjusts its position according to the first actual position and/or the second actual position obtained by the vision assembly 30, so that the first printing area a and the first battery piece 1 on the printing head 20, and the second printing area B and the second battery piece 2 correspond to each other.
After the printing at the printing station 400 is completed, the rotary table of the transmission mechanism 100 continues to rotate, so that the workbench 10 reaches the discharging station 300, the first discharging unit 301 and the second discharging unit 302 of the discharging station 300 are respectively used for discharging the first battery piece 1 and the second battery piece 2 for transmission, and the two printed battery pieces are outwards transferred to the next production process, as shown in fig. 7.
The transport mechanism 100 continues to rotate and the table 10 reaches the sheet feeding station 200 to start the next sheet feeding, printing and sheet discharging operation, as shown in fig. 8.
This biplate lithography apparatus, through passing two battery slices to workstation 10 simultaneously, make the mode and the relative position that first battery slice 1 and second battery slice 2 arranged on workstation 10 keep unanimous with the mode and the relative position of arranging of first printing area A and second printing area B on printing work head 20, printing work head 20 can print first battery slice 1 and second battery slice 2 simultaneously at the in-process of once printing, the printing efficiency of battery slice has been improved, also make lithography apparatus's structure more compact.
Example 2
Not shown, the main difference between this embodiment and embodiment 1 is that: in this embodiment, the cross sections of the first cell piece 1 and the second cell piece 2 are rectangular, and the first cell piece and the second cell piece are conveyed along the width direction of the cell pieces during conveying.
Referring to fig. 11, a specific structure of a sheet conveying device in the two-sheet printing device of the embodiment is shown, and the sheet conveying device includes a sheet conveying unit 203 for carrying and conveying battery sheets, and a conveying device 204 for conveying the battery sheets on the sheet conveying unit 203 to the workbench 10. The first battery piece 1 can be directly transferred to the workbench 10 through the piece transfer unit 203, or can be transferred to the workbench 10 through the carrying device 204 when being transferred to one side of the workbench 10; the second battery piece 2 is transported to the work table 10 by the transporting device 204 while being transported to the work table 10 side.
Example 3
Referring to fig. 12, the main difference between the present embodiment and embodiment 1 is: in the present embodiment, the transfer mechanism includes an endless track 102, and the table 10 is provided on the endless track 102 so as to be capable of running in the extending direction of the endless track 102. The printing apparatus also includes an offset detection station located between the film feed station 200 and the printing station 400. The offset detection station is provided with an offset detection assembly 40 for detecting the offset of the table 10 on the endless track 102, the offset detection assembly 40, in particular also a vision assembly, the offset detection assembly 40 being in signal connection with the printing head 20.
When the printing equipment is used for printing, the first battery piece 1 and the second battery piece 2 are firstly loaded on the workbench 10 at the piece loading station 200, and after the first battery piece 1 and the second battery piece 2 are conveyed to the workbench 10, the relative position between the first battery piece 1 and the second battery piece 2 corresponds to the preset relative position between the first printing area A and the second printing area B on the printing working head 10.
Then, the worktable 10 arrives at the offset detection station in front of the printing station 400 along the circular track 102, the offset detection assembly 40 acquires the position offset of the worktable 10 and feeds back the position offset signal to the printing head 10, and the printing head 10 combines the position offset signal and the first actual position of the first battery piece 1 on the worktable 10 and/or the second actual position of the second battery piece 2 on the worktable 10, thereby adjusting the X/Y/Z/T coordinate position of the printing head 10 itself so that the first printing area a and the second printing area B on the printing head 10 correspond to the first battery piece 1 and the second battery piece 2 on the worktable 10 one-to-one.
Example 4
Referring to fig. 13, the main difference between the present embodiment and embodiment 3 is: in this embodiment, the cross sections of the first cell piece 1 and the second cell piece 2 are rectangular, and the first cell piece and the second cell piece are conveyed along the width direction of the cell pieces during conveying. In this embodiment, the specific structure of the sheet uploading device of the sheet feeding station 200 may adopt the structure shown in fig. 11.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.

Claims (22)

1. A double-sheet printing method of a solar cell is characterized by comprising the following steps:
s1, transmitting a first battery piece and a second battery piece to a workbench, and enabling the first battery piece and the second battery piece to be tiled on the workbench according to a preset relative position;
and S2, conveying the workbench to a printing station, and simultaneously printing the first battery piece and the second battery piece on the workbench by the printing working head.
2. The biplate printing method for solar cells according to claim 1, wherein the step S1 comprises:
a) conveying the first battery piece to the workbench;
b) acquiring a first actual position of the first battery piece on the workbench;
c) acquiring a second actual position of the second battery piece on the second workbench according to the first actual position and the preset relative position;
d) and transferring the second battery piece to the workbench according to the second actual position.
3. The biplate printing method of a solar cell plate according to claim 2, characterized in that: the two-sheet printing method further comprises:
step S101, the printing working head adjusts the position of the printing working head according to the first actual position, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one,
the step S101 is performed after the first actual position is obtained and before printing by the printing head starts.
4. The biplate printing method of a solar cell plate according to claim 2, characterized in that: the two-sheet printing method further comprises:
and S102, adjusting the position of the printing working head according to the first actual position and/or the second actual position by the printing working head, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one, and after the second actual position is obtained in the step S102 and before the printing of the printing working head is started.
5. The biplate printing method of solar cells according to claim 4, characterized in that: the step S102 is completed during the process of transferring the working table from the sheet feeding station to the printing station.
6. The biplate printing method of a solar cell plate according to claim 2, characterized in that: the two-sheet printing method further comprises:
step S103, detecting the self offset position of the workbench;
step S104, the printing working head adjusts the position of the printing working head according to the offset position and the first actual position and/or the second actual position, so that a first printing area and a second printing area on the printing working head correspond to the first battery piece and the second battery piece one by one,
the steps S103 and S104 are both after the step S1 and before the step S2.
7. The biplate printing method of a solar cell plate according to claim 2, characterized in that: and the second battery piece is conveyed to the workbench through a conveying device.
8. The biplate printing method of a solar cell plate according to claim 2, characterized in that: and acquiring the first actual position by adopting a visual component, and conveying the second battery piece to the workbench by adopting a conveying device, wherein the visual component is in communication connection with the conveying device and the printing working head.
9. The biplate printing method of a solar cell plate according to claim 2, characterized in that: and the first battery piece is conveyed to the workbench through one or more of a paper winding mechanism, a conveying belt mechanism and a handling device.
10. The biplate printing method of a solar cell plate according to claim 1, characterized in that: the printing working head is provided with a first printing area and a second printing area which are tiled, and the relative position between the first printing area and the second printing area forms the preset relative position.
11. The biplate printing method of a solar cell plate according to claim 1, characterized in that: the workbench bearing the first battery piece and the second battery piece sequentially passes through the piece inlet station, the printing station and the piece outlet station along a conveying track.
12. The utility model provides a biplate lithography apparatus of solar wafer which characterized in that: the automatic film feeding and discharging device comprises a transmission mechanism, a workbench, a film feeding station, a printing station and a film discharging station, wherein the film feeding station, the printing station and the film discharging station are arranged along the conveying track of the transmission mechanism; the workbench is arranged on the transmission mechanism and can move back and forth along the conveying track of the transmission mechanism, wherein the first battery piece and the second battery piece can be flatly borne on the workbench,
the double-piece printing equipment comprises a printing station, a feeding station and a double-piece printing station, wherein the printing station is provided with a printing working head, the printing working head is provided with a first printing area and a second printing area, the first printing area and the second printing area are arranged on the printing working head at preset relative positions, and the double-piece printing equipment further comprises a piece conveying device capable of conveying the first battery piece and the second battery piece to the working table at the piece feeding station according to the preset relative positions.
13. The apparatus for printing solar cells on two sheets according to claim 12, wherein: the sheet conveying device comprises:
the first sheet conveying mechanism is used for conveying the first battery sheet to the workbench;
the visual assembly is used for detecting a first actual position of the first battery piece on the workbench and acquiring a second actual position of the second battery piece on the workbench according to the first actual position and the preset relative position;
and the second sheet conveying mechanism is used for conveying the second battery sheet to the workbench according to the second actual position.
14. The apparatus for printing solar cells on two sheets according to claim 13, wherein: the second sheet conveying mechanism at least comprises a conveying device used for conveying the second battery sheet to the workbench.
15. The apparatus for printing solar cells on two sheets according to claim 14, wherein: the carrying device comprises a sucker mechanism which is used for adsorbing and fixing the battery piece and can move horizontally along the horizontal direction and lift along the vertical direction.
16. The apparatus for printing solar cells on two sheets according to claim 14, wherein: the visual assembly is in communication connection with the carrying device and the printing working head.
17. The apparatus for printing solar cells on two sheets according to claim 13, wherein: the first sheet conveying mechanism comprises one or more of a paper rolling mechanism, a conveying belt mechanism and a carrying device.
18. The apparatus for printing solar cells on two sheets according to claim 13, wherein: first piece mechanism is including being used for following first transmission direction conveying the first piece unit of first battery piece, the second passes piece mechanism and is used for following the conveying of second transmission direction the second of second battery piece passes the piece unit, and is used for with the second battery piece is followed carry extremely on the second passes the piece unit handling device on the workstation, first transmission direction with second transmission direction is parallel to each other.
19. The apparatus for printing solar cells on two sheets according to claim 13, wherein: the vision assembly is positioned above the workbench at the film feeding station.
20. The apparatus for printing solar cells on two sheets according to claim 12, wherein: the sheet conveying device comprises a sheet conveying unit for bearing and conveying the battery sheets and a conveying device for conveying the battery sheets on the sheet conveying unit to the workbench.
21. The apparatus for two-sheet printing of solar cells according to any of claims 12 to 20, characterized in that: the transmission mechanism comprises a rotary table capable of rotating around the axis line of the transmission mechanism, and the workbench is fixedly arranged on the rotary table.
22. The apparatus for two-sheet printing of solar cells according to any of claims 12 to 20, characterized in that: transport mechanism includes the circular orbit, the workstation can follow circular orbit's extending direction sets up with moving on the circular orbit, lithography apparatus still includes the skew and detects the station, the skew detects the station and is located advance the piece station with between the printing station, still be equipped with on the skew detection station and be used for detecting the workstation is in the circular orbit goes up the skew detection subassembly of offset.
CN202011544571.3A 2020-09-11 2020-12-24 Double-piece printing method and printing equipment for solar cell Pending CN112549809A (en)

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CN202023162621.XU Active CN214395909U (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cells
CN202011544482.9A Active CN112693245B (en) 2020-09-11 2020-12-24 Battery piece printing method
CN202011544608.2A Pending CN112549759A (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
CN202023161988.XU Active CN214324576U (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
CN202023163725.2U Active CN214324578U (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
CN202023162623.9U Active CN214324577U (en) 2020-09-11 2020-12-24 Battery piece transmission device and battery piece printing device
CN202011544571.3A Pending CN112549809A (en) 2020-09-11 2020-12-24 Double-piece printing method and printing equipment for solar cell
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CN202011544482.9A Active CN112693245B (en) 2020-09-11 2020-12-24 Battery piece printing method
CN202011544608.2A Pending CN112549759A (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
CN202023161988.XU Active CN214324576U (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
CN202023163725.2U Active CN214324578U (en) 2020-09-11 2020-12-24 Double-piece printing equipment for solar cell pieces
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CN112549759A (en) 2021-03-26
CN214324578U (en) 2021-10-01
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CN112549808A (en) 2021-03-26
CN214395909U (en) 2021-10-15

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