Composite scraping plate for printing battery piece
By using a composite structure of stainless steel and fiberglass plates and an obstacle groove design, the problem of poor wear resistance of traditional scrapers is solved, thereby improving printing stability and cell conversion efficiency, and reducing manufacturing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU XINGHAN NEW MATERIAL TECH CO LTD
- Filing Date
- 2023-11-13
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional scrapers have poor wear resistance and short lifespan, resulting in unstable printing lines and affecting the conversion efficiency of solar cells.
The composite structure of stainless steel and fiberglass sheets, combined with clearance grooves and adhesive blocks, enhances wear resistance and maintains printing stability while reducing weight and cost.
It improves the lifespan of the squeegee and printing stability, enhances the conversion efficiency of the solar cells, avoids stencil damage, and reduces manufacturing costs.
Smart Images
Figure CN224103706U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery manufacturing technical field especially relates to a kind of composite squeegee for printing battery piece. BACKGROUND
[0002] The conventional squeegee of prior art is generally made by pressing rubber strip, and contacts with metal wire mesh or steel plate mesh plate, which has poor wear resistance, low service life and cannot maintain printing line type continuously. Due to the above changes, the wear degree of conventional squeegee increases with the increase of printing times in actual printing process, and the line width of fine grid line of printed battery piece becomes wider, which leads to the increase of slurry consumption and the decrease of battery conversion efficiency. SUMMARY
[0003] The utility model discloses a kind of composite squeegee for printing battery piece, the wear resistance of the composite squeegee is better, blade edge is not easy to wear, can maintain stable state and print continuously, so as to better guarantee printing height and width stability, improve battery conversion efficiency.
[0004] To achieve the above technical effects, the technical scheme of the utility model is as follows:
[0005] The utility model discloses a kind of composite squeegee for printing battery piece, including: stainless steel plate, the stainless steel plate has blade edge side, the both ends of blade edge side have avoiding slot;Glass fiber plate, the glass fiber plate is stacked in the stainless steel plate, and located below the stainless steel plate;Rubber block, the rubber block is connected to the glass fiber plate and is filled in the avoiding slot.
[0006] In some embodiments, the glass fiber plate is adhesively connected to the stainless steel plate.
[0007] In some embodiments, the rubber block is adhesively connected to the glass fiber plate.
[0008] In some embodiments, the side of the stainless steel plate, away from the blade edge side, is provided with a plurality of first positioning holes, and the glass fiber plate is provided with a plurality of second positioning holes corresponding to the plurality of first positioning holes one by one.
[0009] In some specific embodiments, at least one of the plurality of first positioning holes is an oblong hole.
[0010] In some embodiments, a limiting structure is arranged between the stainless steel plate and the glass fiber plate, and the limiting structure is used to limit the stainless steel plate.
[0011] In some specific embodiments, the limiting structure includes a limiting hole and a limiting post matched with each other, one of the limiting hole and the limiting post is arranged on the stainless steel plate, and the other of the limiting hole and the limiting post is arranged on the glass fiber plate.
[0012] In some more specific embodiments, the limiting holes are a plurality, and the limiting columns are a plurality, and the plurality of limiting columns and the plurality of limiting holes are one-to-one corresponding.
[0013] In some specific embodiments, the limiting structure comprises a limiting strip-shaped groove and a limiting protrusion matched with each other, one of the limiting strip-shaped groove and the limiting protrusion is arranged on the stainless steel plate, and the other of the limiting strip-shaped groove and the limiting protrusion is arranged on the glass fiber plate.
[0014] In some embodiments, the composite squeegee for printing battery pieces is a rectangular squeegee, and the stainless steel plate and the glass fiber plate are both formed with a rounded corner at a corner.
[0015] The composite squeegee for printing battery pieces has the following beneficial effects: compared with a traditional squeegee, the composite squeegee for printing battery pieces adopts a composite structure of a stainless steel plate and a glass fiber plate, the cutting edge side is not easy to wear, and the stable state can be maintained for continuous printing, so that the printing height and width are better ensured to be stable, the conversion efficiency of the battery is improved, and the service life of the composite squeegee is greatly improved compared with the traditional squeegee. At the same time, since the two ends of the cutting edge side have a larger contact pressure with the screen plate, the composite squeegee is provided with an avoiding groove at the two ends of the cutting edge side, and the avoiding groove is filled with a rubber block to avoid damage of the sharp corner of the stainless steel plate to the screen plate. In addition, compared with a structure of using a stainless steel plate entirely, the composite structure of the stainless steel plate and the glass fiber plate can reduce the weight and manufacturing cost of the composite squeegee.
[0016] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structure schematic view of the composite squeegee for printing battery pieces of the embodiment of the present application;
[0018] Figure 2 is another direction structure schematic view of the composite squeegee for printing battery pieces of the embodiment of the present application;
[0019] Figure 3 is a structure schematic view of the stainless steel plate of the present application;
[0020] Figure 4 is a structure schematic view of the glass fiber plate of the present application.
[0021] LIST OF REFERENCE NUMERALS:
[0022] 100, stainless steel plate; 110, cutting edge side; 120, avoiding groove; 130, first positioning hole;
[0023] 200, glass fiber plate; 210, second positioning hole;
[0024] 300, glue block;
[0025] 410, limiting hole; 420, limiting column;
[0026] 500, round corner. DETAILED DESCRIPTION
[0027] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the utility model will be further explained below by specific implementation manners in combination with the drawings.
[0028] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0029] In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features, for distinguishing the description features, and there is no order or difference in importance.In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0030] In the description of the utility model, it is understood that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements.The above-mentioned terms in the utility model can be understood according to the specific meaning in the utility model by the person skilled in the art.
[0031] The specific structure of the composite squeegee for printing battery pieces will be described below. Figures 1-4 The specific structure of the composite squeegee for printing battery pieces will be described below.
[0032] The utility model discloses a kind of composite squeegee (hereinafter referred to as composite squeegee) for printing battery piece, such as Figures 1-2As shown, the composite doctor blade includes a stainless steel plate 100, a glass fiber plate 200 and a rubber block 300, the stainless steel plate 100 has a cutting edge side 110, both ends of the cutting edge side 110 have a avoiding slot 120, the glass fiber plate 200 is stacked on the stainless steel plate 100, and the rubber block 300 is located below the stainless steel plate 100, the rubber block 300 is connected to the glass fiber plate 200 and fills in the avoiding slot 120. It can be understood that, compared with the traditional doctor blade, the composite doctor blade of the embodiment adopts the composite structure of the stainless steel plate 100 and the glass fiber plate 200, the cutting edge side 110 is not easy to wear, and can maintain a stable state for continuous printing, so as to better guarantee the stability of the printing height and width, improve the conversion efficiency of the battery, and greatly improve the service life of the composite doctor blade compared with the traditional doctor blade. At the same time, since the both ends of the cutting edge side 110 have a larger contact pressure with the screen plate, the composite doctor blade of the embodiment is provided with the avoiding slot 120 at both ends of the cutting edge side 110, and the use of the rubber block 300 can avoid the sharp corner of the stainless steel plate 100 from damaging the screen plate. In addition, compared with the structure of using all stainless steel plates 100, the composite structure of the stainless steel plate 100 and the glass fiber plate 200 can reduce the weight and manufacturing cost of the composite doctor blade.
[0033] In some embodiments, the glass fiber plate 200 is connected to the stainless steel plate 100 by bonding. It can be understood that, the glass fiber plate 200 and the stainless steel plate 100 are connected by bonding, on the one hand, it can facilitate the connection of the glass fiber plate 200 and the stainless steel plate 100, on the other hand, it can improve the connection stability of the glass fiber plate 200 and the stainless steel plate 100, and avoid the phenomenon that the glass fiber plate 200 and the stainless steel plate 100 are separated from each other. It should be noted here that, in the present application, double-sided adhesive tape can be used to bond the glass fiber plate 200 and the stainless steel plate 100, or glue can be used to bond the glass fiber plate 200 and the stainless steel plate 100, and the specific bonding method can be selected according to actual needs. Of course, in other embodiments of the present application, the glass fiber plate 200 and the stainless steel plate 100 can also be connected by other means, for example, a connecting piece passing through the glass fiber plate 200 and the stainless steel plate 100 can be used for connection. That is, the connection mode of the glass fiber plate 200 and the stainless steel plate 100 can be adjusted according to actual needs, and is not limited to the bonding connection described above.
[0034] In some embodiments, the rubber block 300 is connected to the glass fiber plate 200 by bonding. It can be understood that the glass fiber plate 200 and the rubber block 300 are connected by bonding, which can facilitate the connection of the glass fiber plate 200 and the rubber block 300, and can improve the stability of the connection between the glass fiber plate 200 and the rubber block 300, so as to avoid the phenomenon that the glass fiber plate 200 and the rubber block 300 are separated from each other. It should be pointed out here that in the present application, double-sided adhesive can be used to bond the glass fiber plate 200 and the rubber block 300, or glue can be used to bond the glass fiber plate 200 and the rubber block 300, and the specific bonding method can be selected according to actual needs. Of course, in other embodiments of the present application, the glass fiber plate 200 and the rubber block 300 can also be connected by other means, for example, a connecting piece passing through the glass fiber plate 200 and the rubber block 300 can be used to connect them. That is, the connection mode of the glass fiber plate 200 and the rubber block 300 can be adjusted according to actual needs, and is not limited to the bonding connection described above.
[0035] In some embodiments, as shown in Figures 3-4 The side of the stainless steel plate 100 away from the knife edge side 110 is provided with a plurality of first positioning holes 130, and the glass fiber plate 200 is provided with a plurality of second positioning holes 210 corresponding to the plurality of first positioning holes 130. It can be understood that in actual use, the composite scraper of the present embodiment can be fixed to a specified position by connecting pieces passing through the first positioning holes 130 and the second positioning holes 210, which can simplify the installation and disassembly operation of the composite scraper, and can improve the fixing stability of the composite scraper, so as to avoid the phenomenon of shaking of the composite scraper during work.
[0036] It should be pointed out here that in actual use, the connecting piece can use screws, rivets and other connecting pieces according to actual needs, and the specific type of the connecting piece is not limited here.
[0037] In some specific embodiments, as shown in Figure 3 Among the plurality of first positioning holes 130, at least one first positioning hole 130 is an oblong hole. It can be understood that by adjusting the position of the connecting piece in the oblong hole, the installation position of the composite scraper can be adjusted, which facilitates the use of the composite scraper.
[0038] In some embodiments, a limiting structure is arranged between the stainless steel plate 100 and the glass fiber plate 200, and the limiting structure is used to limit the stainless steel plate 100. It can be understood that, according to the foregoing description, the stainless steel plate 100 and the glass fiber plate 200 are bonded and connected, and the added limiting structure can realize the pre-positioning of the stainless steel plate 100 and the glass fiber plate 200, avoid the phenomenon of mispositioning of the stainless steel plate 100 and the glass fiber plate 200 when the bonding is not firm enough, and thus ensure that the outer peripheral wall of the stainless steel plate 100 can stably overlap the outer peripheral wall of the glass fiber plate 200.
[0039] In some specific embodiments, the limiting structure includes a limiting hole 410 and a limiting column 420 that cooperate with each other, one of the limiting hole 410 and the limiting column 420 is arranged on the stainless steel plate 100, and the other of the limiting hole 410 and the limiting column 420 is arranged on the glass fiber plate 200. It can be understood that, in some embodiments, the limiting hole 410 is arranged on the stainless steel plate 100, and the limiting column 420 is arranged on the glass fiber plate 200; in some embodiments, the limiting column 420 is arranged on the stainless steel plate 100, and the limiting hole 410 is arranged on the glass fiber plate 200. The distribution of the limiting hole 410 and the limiting column 420 can be selected according to actual needs. The limiting structure includes the limiting hole 410 and the limiting column 420 that cooperate with each other, and in the actual assembly process, only the limiting column 420 needs to be aligned with the limiting hole 410, so that the pre-positioning of the stainless steel plate 100 and the glass fiber plate 200 is very convenient.
[0040] In some more specific embodiments, the limiting hole 410 is a plurality of limiting holes, the limiting column 420 is a plurality of limiting columns, and the plurality of limiting columns 420 and the plurality of limiting holes 410 are arranged one by one. In this way, the limiting hole 410 and the limiting column 420 are a plurality of limiting holes and a plurality of limiting columns, which can avoid the relative rotation of the stainless steel plate 100 and the glass fiber plate 200 and facilitate the bonding of the stainless steel plate 100 and the glass fiber plate 200.
[0041] In some specific embodiments, the limiting structure includes a limiting strip-shaped groove and a limiting protrusion that cooperate with each other, one of the limiting strip-shaped groove and the limiting protrusion is arranged on the stainless steel plate 100, and the other of the limiting strip-shaped groove and the limiting protrusion is arranged on the glass fiber plate 200. It can be understood that, in some embodiments, the limiting strip-shaped groove is arranged on the stainless steel plate 100, and the limiting protrusion is arranged on the glass fiber plate 200; in some embodiments, the limiting protrusion is arranged on the stainless steel plate 100, and the limiting strip-shaped groove is arranged on the glass fiber plate 200. The distribution of the limiting strip-shaped groove and the limiting protrusion can be selected according to actual needs. The limiting structure includes the limiting strip-shaped groove and the limiting protrusion that cooperate with each other, and in the actual assembly process, only the limiting protrusion needs to be aligned with the limiting strip-shaped groove, so that the pre-positioning of the stainless steel plate 100 and the glass fiber plate 200 is very convenient.
[0042] In some embodiments, as shown in FIG. 1, the limiting structure includes a limiting hole 410 and a limiting column 420 that cooperate with each other, the limiting hole 410 is arranged on the stainless steel plate 100, and the limiting column 420 is arranged on the glass fiber plate 200. Figures 3-4As shown, the composite squeegee used for printing battery cells is a rectangular squeegee, with rounded corners 500 formed at both the stainless steel plate 100 and the fiberglass plate 200. This reduces stress concentration and prevents sharp corners from scratching the user.
[0043] Example:
[0044] like Figures 1-4 As shown, the composite scraper of this embodiment includes a stainless steel plate 100, a fiberglass plate 200, and an adhesive block 300. The stainless steel plate 100 has a blade side 110, and both ends of the blade side 110 have clearance grooves 120. The fiberglass plate 200 is stacked on the stainless steel plate 100 and located below the stainless steel plate 100. The adhesive block 300 is connected to the fiberglass plate 200 and fills the clearance grooves 120. The fiberglass plate 200 and the stainless steel plate 100 are bonded together, and the adhesive block 300 is also bonded together. The stainless steel plate 100 has a plurality of first positioning holes 130 on the side opposite to the blade side 110, and the fiberglass plate 200 has a plurality of second positioning holes 210 corresponding to the plurality of first positioning holes 130. A limiting structure is provided between the stainless steel plate 100 and the fiberglass plate 200 to restrict the stainless steel plate 100. The limiting structure includes a limiting hole 410 and a limiting post 420 that cooperate with each other. The limiting hole 410 is provided on the stainless steel plate 100, and the limiting post 420 is provided on the fiberglass plate 200.
[0045] In the description of this specification, references to terms such as "some embodiments," "other embodiments," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0046] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model.
Claims
1. A composite doctor blade for printing a cell sheet, characterized by, The utility model relates to a kind of composite squeegee for printing battery piece, including: Stainless steel plate (100), the knife edge side (110) of the stainless steel plate (100) has two ends with avoidance groove (120); Glass fiber plate (200), the glass fiber plate (200) is stacked in the stainless steel plate (100), and is located below the stainless steel plate (100); Rubber block (300), the rubber block (300) is connected to the glass fiber plate (200) and fills in the avoidance groove (120).
2. The composite doctor blade for printing a battery sheet according to claim 1, wherein The glass fiber plate (200) is adhesively connected with the stainless steel plate (100).
3. The composite doctor blade for printing a battery sheet according to claim 1, wherein The rubber block (300) is adhesively connected with the glass fiber plate (200).
4. The composite doctor blade for printing a battery sheet according to claim 1, wherein The side of the stainless steel plate (100) away from the knife edge side (110) is provided with a plurality of first positioning holes (130), and the glass fiber plate (200) is provided with a plurality of second positioning holes (210) corresponding to the plurality of first positioning holes (130) one by one.
5. The composite doctor blade for printing a cell sheet according to claim 4, wherein Among a plurality of the first positioning holes (130), at least one of the first positioning holes (130) is an oblong hole.
6. The composite doctor blade for printing a battery sheet according to any one of claims 1 to 5, wherein Limiting structure is arranged between the stainless steel plate (100) and the glass fiber plate (200), and the limiting structure is used to limit the stainless steel plate (100).
7. The composite doctor blade for printing a cell sheet according to claim 6, wherein The limiting structure includes limiting hole (410) and limiting column (420) matched with each other, one of the limiting hole (410) and the limiting column (420) is arranged on the stainless steel plate (100), and the other of the limiting hole (410) and the limiting column (420) is arranged on the glass fiber plate (200).
8. The composite doctor blade for printing a battery sheet according to claim 7, wherein The limiting hole (410) is a plurality of, the limiting column (420) is a plurality of, and a plurality of the limiting column (420) and a plurality of the limiting hole (410) are arranged one by one.
9. The composite doctor blade for printing a battery sheet according to claim 6, wherein The limiting structure includes limiting strip-shaped groove and limiting protrusion matched with each other, one of the limiting strip-shaped groove and the limiting protrusion is arranged on the stainless steel plate (100), and the other of the limiting strip-shaped groove and the limiting protrusion is arranged on the glass fiber plate (200).
10. The composite doctor blade for printing a battery sheet according to any one of claims 1 to 5, wherein The composite squeegee for printing battery piece is rectangular squeegee, and the stainless steel plate (100) and the glass fiber plate (200) are formed with round corner (500) at corner.