Graphic steel sheet and full opening steel plate for printing with buffer unloading

Abstract

The utility model provides a kind of graphical steel sheet, the graphical steel sheet includes figure area and the force relief area being arranged in the two sides of figure area, the buffer zone being overlaid on force relief area, multiple thin grids extending along X direction and being spaced along Y direction are equipped in figure area, the force relief area is arranged in the two sides of the figure area along Y direction, and the buffer zone is flexible material.The utility model discloses a graphical steel sheet and the printing full-opening steel plate with buffer unloading, by increasing buffer zone, compared with the scheme that flexible material is not used to cover buffer zone during printing use, the service life of graphical steel sheet can be effectively increased, the production capacity loss caused by graphical steel sheet replacement is reduced, and the efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of solar cell printing technology, and in particular to a graphic steel sheet and a fully open steel plate for printing with buffering and unloading. Background Technology

[0002] Screen printing stencils are an important tool for printing electrodes on solar cells. Screen printing stencil manufacturers have successively launched knotless stencils. With the addition of finer line widths, photovoltaic modules have put forward new requirements. Screen printing stencils can no longer meet the requirements of extremely fine line widths and grid flatness. The development of screen printing stencils was once sluggish. As a result, fully open steel stencils have emerged, which can meet the requirements of extremely fine line widths and grid flatness.

[0003] Fully open steel plates have obvious advantages, but due to the strength and small elongation deformation of the steel plate during use, the steel plate may be subjected to internal stress when the printing squeegee is pressed down. This can lead to metal fatigue and cracking of the steel plate after repeated printing, affecting production efficiency.

[0004] In view of this, it is necessary to improve the existing patterned steel sheets and fully open steel plates to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a patterned steel sheet to solve the problem that existing fully open steel sheets are prone to cracking due to metal fatigue under scraper pressure.

[0006] To achieve the above objectives, this utility model provides a patterned steel sheet, which includes a patterned area and stress-relief areas disposed on both sides of the patterned area, and a buffer strip covering the stress-relief areas. The patterned area is provided with a plurality of fine grids extending along the X direction and spaced apart along the Y direction. The stress-relief areas are disposed on both sides of the patterned area along the Y direction, and the buffer strip is made of a flexible material.

[0007] As a further improvement of this utility model, the buffer strip is made of organic material.

[0008] As a further improvement of this utility model, the buffer strip is made of one or more of silicone adhesive, modified silane adhesive, and PU adhesive.

[0009] As a further improvement of this utility model, the thickness of the buffer strip is between 20 micrometers and 200 micrometers.

[0010] As a further improvement of this utility model, the buffer band is spaced apart from the graphic area.

[0011] As a further improvement of this utility model, the graphic steel sheet is made of alloy material, and positioning holes and fixing edges are provided around the graphic area on the graphic steel sheet.

[0012] As a further improvement of this utility model, the thickness of the patterned steel sheet is 15 micrometers to 50 micrometers.

[0013] This utility model also provides a fully open printing plate with buffered force relief, the fully open printing plate with buffered force relief includes the graphic steel sheet as described above.

[0014] As a further improvement of this utility model, the fully open printing plate with buffer unloading also includes composite auxiliary materials and a casting frame. The graphic steel sheet is fixed on the composite auxiliary material in the vertical direction, and the composite auxiliary material and the graphic steel sheet are housed in the casting frame.

[0015] The beneficial effects of this utility model are: the graphic steel sheet and the fully open printing plate with buffer and force relief of this utility model, by adding a buffer strip, can effectively increase the service life of the graphic steel sheet during printing, compared with the solution without using flexible material to cover the buffer strip, reduce the production capacity loss caused by the replacement of the graphic steel sheet, and achieve effective efficiency improvement. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the structure of the fully open steel plate for printing with buffer force relief according to this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the graphic steel sheet of this utility model;

[0019] Figure 3 This is a schematic diagram showing the different positions of the scraper in the working state of the fully open printing plate with buffering and unloading properties of this utility model. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0023] like Figures 1 to 3 As shown, the graphic steel sheet 1 of this utility model includes a graphic area 11 and a stress-relief area 12 disposed on both sides of the graphic area 11, and a buffer strip 13 covering the stress-relief area 12.

[0024] The graphic area 11 is provided with a plurality of fine grids 111 extending along the X direction and spaced apart along the Y direction. The fine grids 111 are arranged through the graphic steel sheet 1 perpendicular to it for ink transmission.

[0025] The stress relief zone 12 is arranged on both sides of the pattern area 11 along the Y direction. Preferably, the stress relief zone 12 is arranged adjacent to the pattern area 11, the scraper 200 extends along the Y direction, and the length of the scraper 200 in the extension direction is greater than the width of the pattern area 11 along the Y direction, so that the slurry can pass through all the fine grids 111 in the pattern area 11.

[0026] The unloading zone 12 has a certain unloading function. When the scraper 200 scrapes the pattern area 11, the unloading zone 12 deforms to unload the force. However, since the unloading zone 12 is made of metal, there is a certain risk of breakage. Therefore, in this embodiment, a buffer zone 13 is set in the unloading zone 12.

[0027] The buffer strip 13 is made of a flexible material. When the scraper 200 scrapes across the pattern area 11, the deformation of the pattern area 11 causes the stress-relieving area 12 to deform. Due to the flexible stretching of the buffer strip 13, the tension that was originally transferred into the pattern area 11 is absorbed by the buffer strip 13 and transmitted outward from the pattern area 11. This directly reduces the stress within the pattern significantly, allowing the stress-relieving area 12 to truly play its role in stress relief and buffering with the support of the soft material of the buffer strip. This greatly delays metal fatigue caused by metal stretching within the pattern and extends its service life.

[0028] To improve the cushioning effect, in this embodiment, the cushioning strip 13 is made of organic material.

[0029] As an optional feature, the buffer strip 13 is made of one or more of silicone adhesive, modified silane adhesive, and PU adhesive. These materials all have good cushioning effects.

[0030] In a preferred embodiment, the thickness of the buffer strip 13 is between 20 micrometers and 200 micrometers. At this thickness, the buffer strip 13 provides good cushioning performance, is not easily broken, and is simple to form.

[0031] The buffer band 13 is spaced apart from the graphic area 11, rather than being closely adjacent. The width of the buffer band 13 needs to be set with reference to the length of the scraper 200 to ensure that both ends of the scraper 200 are within the buffer band 13 when the scraper 200 is working.

[0032] The graphic steel sheet 1 is made of alloy material and has undergone precision processing to meet printing requirements. The graphic area 11 is located in the middle of the graphic steel sheet 1.

[0033] The graphic steel sheet 1 is provided with positioning holes and fixing edges around the graphic area 11 to ensure the consistency of the printing position each time.

[0034] Preferably, the thickness of the patterned steel sheet 1 is set to 15 micrometers to 50 micrometers, which ensures both elasticity and strength.

[0035] This utility model also provides a fully open printing plate 100 with buffered force relief, the fully open printing plate 100 with buffered force relief includes the graphic steel sheet 1.

[0036] Furthermore, the fully open printing plate 100 with buffered force relief also includes a composite auxiliary material 2 and a casting frame 3. The graphic steel sheet 1 is fixed vertically on the composite auxiliary material 2, and the composite auxiliary material 2 and the graphic steel sheet 1 are housed within the casting frame 3. The orthographic projection of the graphic steel sheet 1 in the vertical direction falls entirely within the composite auxiliary material 2.

[0037] The graphic steel sheet 1 and the fully open printing plate 100 with buffer and force relief of this utility model, by adding a buffer strip 13, can effectively increase the service life of the graphic steel sheet 1 during printing, compared with the solution of not using flexible material to cover the buffer strip 13, reduce the production capacity loss caused by the replacement of the graphic steel sheet 1, and achieve effective efficiency improvement.

[0038] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0039] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A patterned steel sheet, characterized in that: The patterned steel sheet includes a patterned area and stress-relief areas disposed on both sides of the patterned area, and a buffer strip covering the stress-relief areas. The patterned area is provided with a plurality of fine grids extending along the X direction and spaced apart along the Y direction. The stress-relief areas are disposed on both sides of the patterned area along the Y direction. The buffer strip is made of flexible material.

2. The patterned steel sheet according to claim 1, characterized in that: The buffer strip is made of organic materials.

3. The patterned steel sheet according to claim 2, characterized in that: The buffer strip is made of one or more of silicone adhesive, modified silane adhesive, and PU adhesive.

4. The patterned steel sheet according to claim 1, characterized in that: The thickness of the buffer strip is between 20 micrometers and 200 micrometers.

5. The patterned steel sheet according to claim 1, characterized in that: The buffer zone is spaced apart from the graphic area.

6. The patterned steel sheet according to claim 1, characterized in that: The graphic steel sheet is made of alloy material, and positioning holes and fixing edges are provided around the graphic area on the graphic steel sheet.

7. The patterned steel sheet according to claim 6, characterized in that: The thickness of the patterned steel sheet is 15 micrometers to 50 micrometers.

8. A fully open printing plate with buffered force relief, characterized in that: The fully open printing plate with buffered force relief includes the graphic steel sheet as described in any one of claims 1-7.

9. The fully open printing plate with buffered force relief according to claim 8, characterized in that: The fully open printing plate with buffered force relief also includes composite auxiliary materials and a casting frame. The graphic steel sheet is fixed on the composite auxiliary material in the vertical direction, and the composite auxiliary material and the graphic steel sheet are housed in the casting frame.

Images