CN219191604U

CN219191604U - Cell silk screen printing steel mesh and printing machine

Info

Publication number: CN219191604U
Application number: CN202223421558.6U
Authority: CN
Inventors: 曹建伟; 朱亮; 卢嘉彬; 高红刚; 杨潮; 章泽豪; 王耀烨; 王旭梁
Original assignee: Zhejiang Jingsheng Mechanical and Electrical Co Ltd
Current assignee: Zhejiang Jingsheng Mechanical and Electrical Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-16
Anticipated expiration: 2032-12-19

Abstract

The application relates to the technical field of photovoltaics, in particular to a battery piece silk screen steel mesh, which comprises: a base; the steel mesh body, steel mesh body fixed connection in on the pedestal, the steel mesh body has first face and second face, first face is used for the scraper to knife coating, be provided with the cell body of indent on the second face, the cell body is used for taking the cooperation with the welding of battery piece, just glue the hole has been seted up on the steel mesh body, through glue the hole makes the both sides space intercommunication of steel mesh body. The seat body includes: and the inside of the rectangular frame is vertically communicated. The steel mesh body is fixedly connected to the inside of the rectangular frame. An accommodating space is formed between the first surface and the rectangular frame and is used for accommodating conductive adhesive. The technical problem that the battery piece with the welding strip cannot be subjected to screen printing is solved, and the technical effect that the battery piece with the welding strip can be subjected to screen printing is achieved.

Description

Cell silk screen printing steel mesh and printing machine

Technical Field

The application relates to the technical field of photovoltaics, in particular to a battery piece silk screen steel screen and a printer.

Background

Screen printing technology has been widely used in many industries, particularly in the photovoltaic industry over the last decade. The screen printing technology is mainly applied to manufacturing of photovoltaic cells in the photovoltaic industry, PN junctions are formed on a semiconductor silicon wafer, grid lines are printed on two sides of the semiconductor silicon wafer in a screen printing mode, and current is collected to serve as electrodes. The screen printing steel screen is one of the indispensable tools for screen printing, and the screen printing is to use the screen printing steel screen as a plate base and prepare a screen printing plate with pictures and texts by a photosensitive plate making method, so the screen printing steel screen is a basic tool for producing the screen printing plate.

In the prior art, along with the diversity of battery piece types, in order to guarantee that screen printing goes on smoothly, put forward certain requirement to the screen printing steel mesh, current screen printing steel mesh is mostly plain steel mesh, can't satisfy the battery piece technology that the seal face has the welding strip.

Therefore, the technical problems of the prior art are: the battery sheet with the solder ribbon cannot be screen printed.

Disclosure of Invention

The application provides a battery piece silk screen printing steel mesh and printing machine, has solved the unable technical problem who carries out screen printing of battery piece that has the welding strip, reaches the technological effect that can carry out screen printing to the battery piece that has the welding strip.

On one hand, the battery piece silk screen steel mesh provided by the application adopts the following technical scheme:

a battery cell silk screen steel mesh comprising: a base; the steel mesh body, steel mesh body fixed connection in on the pedestal, the steel mesh body has first face and second face, first face is used for the scraper to knife coating, be provided with the cell body of indent on the second face, the cell body is used for taking the cooperation with the welding of battery piece, just glue the hole has been seted up on the steel mesh body, through glue the hole makes the both sides space intercommunication of steel mesh body.

Preferably, the base includes: and the inside of the rectangular frame is vertically communicated.

Preferably, the steel mesh body is fixedly connected to the inside of the rectangular frame.

Preferably, an accommodating space is formed between the first surface and the rectangular frame, and the accommodating space is used for accommodating the conductive adhesive.

Preferably, the groove body is arranged in a straight line, the groove body is provided with a plurality of groups, and the groove bodies are parallel and equidistant.

Preferably, the groove body is arc-shaped, the groove body is provided with a plurality of groups, and the groove bodies are equidistantly arranged.

Preferably, the glue hole is located at one end of the groove body.

Preferably, the glue holes are provided with a plurality of groups and are arranged on the steel mesh body along a straight line.

Preferably, the glue holes are provided with a plurality of groups and are uniformly arranged on the steel mesh body.

On the other hand, the printing machine provided by the application adopts the following technical scheme:

a printing machine comprises the silk-screen steel mesh.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cell body has been seted up on the second face of steel mesh body to this application, and the cell piece is used for with the welding strip cooperation on the cell piece in the printing process, realizes dodging the welding strip on the cell piece, has greatly reduced the cell piece that has the welding strip and has led to the condition appearance of the hidden crack of cell piece or piece of cell piece because the atress is inhomogeneous in the printing process, has solved the technical problem that can't carry out screen printing of the cell piece that has the welding strip, reaches can carry out screen printing's technical effect to the cell piece that has the welding strip.

2. The application sets up the gluey hole that is used for conductive adhesive to pass through on the steel mesh body, through the doctor blade on the first face of steel mesh body, enters into between battery piece and the second face with conductive adhesive through gluey hole to realize evenly smearing conductive adhesive on the battery piece surface, improve the even effect of smearing of conductive adhesive.

Drawings

FIG. 1 is a top view of a battery sheet screen steel mesh as described herein;

fig. 2 is a schematic perspective view of a silk screen steel mesh for battery cells according to the present application

FIG. 3 is a cross-sectional view of FIG. 2;

fig. 4 is an enlarged view of a in fig. 3.

Reference numerals illustrate: 100. a base; 110. a rectangular frame; 120. an accommodating space; 200. a steel mesh body; 210. a first face; 220. a second face; 221. a tank body; 230. and (5) glue holes.

Detailed Description

The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The embodiment of the application provides a battery piece silk screen printing steel mesh and printing machine, has solved the unable technical problem who carries out screen printing of battery piece that has the welding strip, reaches the technological effect that can carry out screen printing to the battery piece that has the welding strip.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

The application provides a battery piece silk screen steel mesh, which is used for printing a battery piece with a welding strip, as shown in fig. 1 and 2, and comprises a base body 100 and a steel mesh body 200, wherein the base body 100 is used as a frame and a mounting foundation of the battery piece silk screen steel mesh; the steel mesh body 200 is used for coating the conductive adhesive on the battery piece.

The base 100, as shown in fig. 1-2, the base 100 is used as a frame and a mounting foundation for a battery piece silk-screen steel mesh. The base 100 includes a rectangular frame 110, the rectangular frame 110 is horizontally placed, and the inside of the horizontal frame is vertically penetrated, in other words, the inside of the rectangular frame 110 has a penetrating space for providing an installation position for the steel mesh body 200.

As shown in fig. 2 and 3, the steel mesh body 200 is used for coating the conductive adhesive on the battery plate. The steel mesh body 200 is connected to the inner side of the rectangular frame 110, specifically, the outer side edge of the steel mesh body 200 is fixedly connected with the inner side edge of the rectangular frame 110; the steel mesh body 200 is horizontally arranged, the steel mesh body 200 is provided with an upward first face 210 and a downward second face 220, wherein the edge height position of the rectangular frame 110 is higher than that of the steel mesh body 200, so that a containing space 120 is formed between the first face 210 of the steel mesh body 200 and the rectangular frame 110, the containing space 120 is used for containing conductive adhesive, and a scraper can be positioned in the containing space 120 to carry out reciprocating blade coating on the first face 210 of the steel mesh body 200.

Further, as shown in fig. 3 and 4, the second surface 220 of the steel mesh body 200 is provided with a concave groove 221, the groove 221 is used for being matched with a welding strip on a battery piece and used for avoiding the welding strip, when the battery piece is located on the second surface 220 of the steel mesh body 200, the groove 221 is used for avoiding the welding strip on the battery piece, so that hidden cracks are prevented from occurring due to uneven acting force of a scraper on the battery piece caused by the existence of the welding strip in the process of silk screen printing. In one embodiment, the number of the groove bodies 221 is multiple, the groove bodies 221 are arranged in a straight line, and the groove bodies 221 are arranged at equal intervals everywhere, so that the groove bodies 221 form parallel and equidistant groove body groups, and accordingly the welding strips on the battery pieces are in avoidance fit.

In other embodiments, the number of the groove bodies 221 is multiple, the groove bodies 221 are arc-shaped, and the groove bodies 221 are equidistantly arranged everywhere, so that the groove bodies 221 form the groove body 221 groups of the battery pieces meeting different process requirements, and the welding strips on the battery pieces are in avoidance fit.

Still further, as shown in fig. 3 and 4, the steel mesh body 200 is provided with glue holes 230, and the glue holes 230 are used for flowing the conductive glue. The glue hole 230 is formed on the steel mesh body 200, so that the spaces at two sides of the steel mesh body 200 are communicated through the glue hole 230, when the battery piece is pressed down by the steel mesh body 200, the conductive glue in the accommodating space 120 enters between the battery piece and the second surface 220 through the glue hole 230 under the action of the scraper, and the conductive glue is uniformly smeared on the surface of the battery piece.

In one embodiment, the glue holes 230 are plural, the glue holes 230 are in one-to-one correspondence with the groove 221, and the glue holes 230 are disposed on one end of the groove 221; in another embodiment, the glue holes 230 are plural, and the plural glue holes 230 are arranged along a straight line; in other embodiments, the glue holes 230 are multiple, and the glue holes 230 are uniformly arranged on the steel mesh body 200; through the arrangement, the scraper scrapes on the first surface 210 of the steel mesh body 200, and the conductive adhesive passes through the adhesive holes 230 and enters between the second surface 220 and the battery piece under the scraping action of the scraper, so that the conductive adhesive is uniformly smeared on the surface of the battery piece, and the silk screen printing of the battery piece is completed.

The application also provides a battery piece printer, which comprises a scraper and a silk screen steel mesh, wherein the scraper is arranged above the silk screen steel mesh, and has downward and forward and backward movement degrees of freedom, so that a battery piece is positioned below the second surface 220 of the steel mesh body 200 and is tightly attached to the second surface 220, the scraper enters the accommodating space 120 from below and scrapes in the forward and backward directions, and conductive adhesive enters between the battery piece and the second surface 220 through the adhesive holes 230, so that the silk screen printing step of the battery is completed; the scraper is arranged on the scraper, and the up-down driving and the front-back driving of the scraper can be realized by adopting a driving mode of an air cylinder or a screw rod.

Working principle/steps:

the battery piece is located on the second face 220 of the steel mesh body 200, and the welding strip on the battery piece is matched with the groove body 221 on the second face 220, so that the welding strip on the battery piece is avoided, the scraper descends into the accommodating space 120 of the mesh plate body and acts on the second face 220, and under the scraping action of the scraper, the conductive adhesive enters between the battery piece and the second face 220 through the adhesive holes 230, so that the conductive adhesive is uniformly smeared on the surface of the battery piece.

The technical effects are as follows:

1. the cell body 221 is arranged on the second surface 220 of the steel mesh body 200, the cell body 221 is used for being matched with a welding strip on the cell in the printing process, the purpose of avoiding the welding strip on the cell is achieved, the situation that the cell with the welding strip is hidden and cracked or broken due to uneven stress in the printing process is greatly reduced, the technical problem that the cell with the welding strip cannot be subjected to screen printing is solved, and the technical effect that the cell with the welding strip can be subjected to screen printing is achieved.

2. The application sets up the gluey hole 230 that is used for the conducting resin to pass through on steel mesh body 200, and through the doctor blade on steel mesh body 200's first face 210, enter into between battery piece and the second face 220 with the conducting resin through gluey hole 230 to the realization is evenly smeared on the battery piece surface with the conducting resin, improves the even effect of smearing of conducting resin.

While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.

Claims

1. A battery piece silk screen steel mesh, characterized by comprising:

a base (100);

the steel mesh body (200), steel mesh body (200) fixed connection in on pedestal (100), steel mesh body (200) have first face (210) and second face (220), first face (210) are used for the scraper to knife coating, be provided with indent cell body (221) on second face (220), cell body (221) are used for the welding strip cooperation with the battery piece, just glue hole (230) have been seted up on steel mesh body (200), through glue hole (230) make the both sides space intercommunication of steel mesh body (200).

2. The battery piece silk screen steel mesh according to claim 1, wherein the base body (100) comprises:

and a rectangular frame (110), wherein the inside of the rectangular frame (110) is penetrated up and down.

3. The battery piece silk screen steel mesh according to claim 2, wherein the steel mesh body (200) is fixedly connected to the inside of the rectangular frame (110).

4. A battery piece silk screen steel mesh according to claim 3, characterized in that a containing space (120) is formed between the first face (210) and the rectangular frame (110), and the containing space (120) is used for containing conductive glue.

5. The battery piece silk screen steel mesh according to claim 1, wherein the groove bodies (221) are arranged in a straight line shape, the groove bodies (221) are provided with a plurality of groups, and the groove bodies (221) are arranged in parallel and equidistantly.

6. The battery piece silk screen steel mesh according to claim 1, wherein the groove bodies (221) are arranged in an arc shape, the groove bodies (221) are provided with a plurality of groups, and the groove bodies (221) are arranged in an equidistant mode.

7. The battery piece silk screen steel mesh according to claim 1, wherein the glue hole (230) is located at one end of the groove body (221).

8. The battery piece silk screen steel mesh according to claim 1, wherein the glue holes (230) are provided with a plurality of groups and are arranged on the steel mesh body (200) along a straight line.

9. The battery piece silk screen steel mesh according to claim 1, wherein the glue holes (230) are provided with a plurality of groups and are uniformly arranged on the steel mesh body (200).

10. A printing press comprising a screen according to any one of claims 1 to 9.