CN202727545U - Screen printing plate - Google Patents
Screen printing plate Download PDFInfo
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- CN202727545U CN202727545U CN201220427634.1U CN201220427634U CN202727545U CN 202727545 U CN202727545 U CN 202727545U CN 201220427634 U CN201220427634 U CN 201220427634U CN 202727545 U CN202727545 U CN 202727545U
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Abstract
An embodiment of the utility model discloses a screen printing plate which is applied to a printer. A screen framework for fixing the screen printing plate is arranged in the printer. The screen printing plate comprises a screen frame and screen cloth arranged in the central area of the screen frame, the internal area of the screen cloth is smaller than an opening area of the screen framework but larger than effective printing area of the screen cloth, and accordingly, consumption of residual size in the internal area of the screen cloth excluding the effective printing area is greatly reduced during solar battery production, and further, production cost of solar batteries is reduced.
Description
Technical field
The utility model relates to technical field of solar cell manufacturing, relates in particular to a kind of printing screen plate.
Background technology
At present, the manufacturing process of solar cell is fundamental norms, and master operation comprises: cleaning and texturing, diffusion, PECVD, serigraphy and sintering.Wherein, screen printing technique is a traditional technology, bite at the upper and lower electrode of silicon chip formation such as making slurry (silver slurry, aluminium paste etc.) see through the screen cloth that has made the grid line figure, make organic solvent volatilization in the slurry after the heating, form electrode of solar battery.Screen printing technique is low, low for equipment requirements because of its cost, is widely used in the production of solar cell.
But, adopt screen printing technique of the prior art to make solar cell, the consumption of slurry is larger, and production cost is higher.
The utility model content
For solving the problems of the technologies described above, the utility model embodiment provides a kind of printing screen plate, can reduce in the described manufacture of solar cells process, and the consumption of slurry, thus reduce the production cost of described solar cell.
For addressing the above problem, the utility model embodiment provides following technical scheme:
A kind of printing screen plate, be applied to printing machine, be provided with the screen frame frame of fixing described printing screen plate in the described printing machine, described printing screen plate comprises: screen frame and the screen cloth that is positioned at described screen frame central area, wherein, the inner area of described screen cloth is less than the aperture area of described screen frame frame, but greater than effective printing area of described screen cloth.
Preferably, the proportion of effective printing area of the inner area of described screen cloth and described screen cloth is 1.15:1-1.5:1.
Preferably, described screen frame is back-shaped structure.
Preferably, the following table area of described screen frame equals the top surface area of described screen frame.
Preferably, the following table area of described screen frame is greater than the top surface area of described screen frame.
Preferably, the described screen frame following table area part that exceeds described screen frame top surface area is identical with the material of described other parts of screen frame.
Preferably, the described screen frame following table area part that exceeds described screen frame top surface area is different from the material of described other parts of screen frame.
Preferably, the described screen frame following table area part that exceeds described screen frame top surface area is timber screen frame, rubber screen frame, vertically screen frame or aluminium screen frame.
Preferably, described screen frame also comprises: be positioned at described screen frame central area and dismountable screen frame.
Compared with prior art, technique scheme has the following advantages:
In the technical scheme that the utility model embodiment provides, the screen cloth that described printing screen plate comprises screen frame and is positioned at described screen frame central area, wherein, the inner area of described screen cloth is less than the aperture area of described screen frame frame, but the effective printing area greater than described screen cloth, thereby in can the described manufacture of solar cells process of decrease, remain in the amount of slurry on the non-effective printing area in the described screen cloth inner area, saved the production cost of described solar cell.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the printing screen plate that provides among the utility model one embodiment is provided Fig. 1, and wherein, left figure is the top view of this printing screen plate, and right figure is the cutaway view of this printing screen plate;
The structural representation of the printing screen plate that provides among another embodiment of the utility model is provided Fig. 2, and wherein, left figure is the top view of this printing screen plate, and right figure is the cutaway view of this printing screen plate;
The structural representation of the printing screen plate that provides among the another embodiment of the utility model is provided Fig. 3, and wherein, left figure is the top view of this printing screen plate, and right figure is the cutaway view of this printing screen plate;
Fig. 4 is shown in Fig. 3 in the printing screen plate structure, the structural representation of interior screen frame, and wherein, left figure is the top view of screen frame in this, right figure be the cutaway view of this interior screen frame.
The specific embodiment
Just as described in the background section, adopt screen printing technique of the prior art to make solar cell, the consumption of slurry is larger, and production cost is higher.
The inventor studies discovery, this is because in the half tone in the prior art, the inner area of described screen cloth equals the aperture area of described screen frame frame, thereby so that when solar cell is carried out serigraphy, non-effective printing area in the described screen cloth inner area is excessive, and then in the reciprocal printing process of described half tone, with too much residual slurry on the non-effective printing area of described screen cloth, be pushed to the dead angle area of described printing machine, cause this part slurry by air-dry waste, and can not be by production and application, and, described slurry mainly is comprised of noble metals such as silver, and cost of manufacture is higher, as when making the electrode of solar cell, the silver pastes that adopt print described solar cell more, therefore, the waste of described slurry, the significantly production cost of increase solar cell.
In view of this, the utility model provides a kind of printing screen plate, is applied to printing machine, is provided with the screen frame frame of fixing described printing screen plate in the described printing machine.Described printing screen plate comprises: screen frame and the screen cloth that is positioned at described screen frame central area, wherein, the inner area of described screen cloth comprises effective printing area and the non-effective printing area except described effective printing area.In the utility model, the inner area of described screen cloth is less than the aperture area of described screen frame frame, but the effective printing area greater than described screen cloth, thereby by reducing the non-effective printing area of described screen cloth, greatly reduced in the described manufacture of solar cells process, the consumption of described non-effective printing area zone spreading mass, and then reduced the production cost of described solar cell.
It more than is the application's core concept, below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile of expression device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three-dimensional space that in actual fabrication, should comprise in addition, length, width and the degree of depth.
Embodiment one:
The utility model provides a kind of printing screen plate, be applied to printing machine, be provided with the screen frame frame of fixing described printing screen plate in the described printing machine, described printing screen plate comprises: screen frame and the screen cloth that is positioned at described screen frame central area, wherein, the inner area of described screen cloth is less than the aperture area of described screen frame frame, but greater than effective printing area of described screen cloth.
In the utility model, described screen cloth can be fixed on the described screen frame by various ways such as stickups, and the utility model is not done restriction to this.And the inner area of described screen cloth comprises: effective printing area of described screen cloth and the non-effective printing area except described effective printing area.Wherein, the inner area of described screen cloth refers to: in the screen printing process, be used for the zone of carrying slurry in the described printing screen plate; Effective printing area of described screen cloth refers to: the printing equipment in the described printing machine can act on the zone on the described half tone; The non-effective printing area of described screen cloth refers to: regional except above-mentioned effective printing area in the described screen cloth inner area, namely when serigraphy, described printing machine back and forth the printing process in, the zone that described printing equipment can't be applied to, this regional slurry can't be printed use.
In an embodiment of the present utility model, the proportion of effective printing area of the described inner area of stating screen cloth and described screen cloth is 1.15:1-1.5:1.Need to prove, in printing screen plate provided by the utility model, as long as the inner area of described screen cloth is less than the aperture area of described screen frame frame, can reduce to a certain extent the non-effective printing area of described screen cloth, thereby reduce to a certain extent in the manufacture of solar cells process, the consumption of described non-effective printing area zone spreading mass reduces the production cost of described solar cell, and the utility model is not done restriction to this.
As shown in Figure 1, in an embodiment of the present utility model, described screen frame 11 is back-shaped structure, and the following table area of described screen frame 11 equates with the top surface area of described screen frame 11.Namely in the situation that described printing screen plate overall dimensions remain unchanged, by increasing in the described printing screen plate, the area of described screen frame 11, reduce the inner area of screen cloth 12 described in the described printing screen plate, thereby reduce the non-effective printing area of described screen cloth 12, and then avoided in the described manufacture of solar cells process, described slurry is by on the too much non-effective printing area that remains in described screen cloth, be pushed to the dead angle area of described printing machine, it is the zone that the printing equipment in the described printing machine can't be applied to, reduce the consumption of described slurry, saved the production cost of described solar cell.
As shown in Figure 2, in another embodiment of the present utility model, described screen frame 21 is back-shaped structure, and the following table area of described screen frame 21 is greater than the top surface area of described screen frame 21.Namely in the situation that described printing screen plate overall dimensions remain unchanged, by increasing in the described printing screen plate, the floor space of described screen frame 21, reduce the inner area of screen cloth 22 described in the described printing screen plate, thereby reduce the non-effective printing area of described screen cloth 22, and then avoided in the described manufacture of solar cells process, described slurry is by too much remaining on the described non-effective printing area, be pushed to the dead angle area of described printing machine, it is the zone that the printing equipment in the described printing machine can't be applied to, reduced the consumption of described slurry, simultaneously, the volume of the described screen frame 21 of increase that also need not be too much has avoided described screen frame 21 to make the waste of material, has further reduced the production cost of described solar cell.
Need to prove, in printing screen plate provided by the utility model, described screen frame 21 following table areas exceed the part of described screen frame 21 top surface area can be identical with the material of described screen frame 21 other parts, be that the part that described screen frame 21 following table areas exceed described screen frame 31 top surface area can be integrated with described screen frame 21 other parts, also can be different from the material of described screen frame 21 gases part, as long as can reduce the non-effective printing area of described screen cloth 22, thereby reduce the waste of described screen cloth 22 non-effective printing area spreading masses, the production cost that reduces described solar cell gets final product.
The part that exceeds described screen frame 21 top surface area when described screen frame 21 following table areas and the material of described screen frame 21 other parts are not simultaneously, the part that described screen frame 21 following table areas exceed described screen frame 21 top surface area can be timber screen frame, rubber screen frame, vertical screen frame or aluminium screen frame, the utility model contrast does not limit, and is determined on a case-by-case basis.
As shown in Figure 3, in another embodiment of the present utility model, described screen frame 31 also comprises and is positioned at described screen frame 31 central areas and dismountable screen frame 33, as shown in Figure 4.When solar battery sheet is carried out serigraphy, place again an interior screen frame 33 in the central area of described screen frame 31, thereby reduced the inner area of described screen cloth 32, and then reduced the non-effective printing area of described screen cloth 32, avoided in the described manufacture of solar cells process, described slurry is by too much remaining on the described non-effective printing area, be pushed to the dead angle area of described printing machine, it is the zone that the printing equipment in the described printing machine can't be applied to, reduce the consumption of described slurry, reduced the production cost of described solar cell.
After described screen printing process is finished, only described interior screen frame 33 need be disassembled from described screen frame 31 and get final product, and, described interior screen frame 33 can reuse in screen printing process, thereby in reducing the manufacture of solar cells process, in the time of the slurry consumption, also need not increase the volume of described screen frame 31, avoid described screen frame 31 to make the waste of material, further reduced the production cost of described solar cell.
In sum, the utility model is by changing the contour structures of described printing screen plate, namely by increasing the area of described screen frame, reduce the non-effective printing area of described screen cloth, so that the inner area of described screen cloth is less than the printing area of described printing machine, but the effective printing area greater than described printing machine, thereby avoided in the described manufacture of solar cells process, described slurry is by too much remaining on the described non-effective printing area, be pushed to the dead angle area of described printing machine, greatly reduce the consumption of described slurry, reduced the production cost of described solar cell.
Various piece adopts the mode of going forward one by one to describe in this specification, and what each part stressed is and the difference of other parts that identical similar part is mutually referring to getting final product between the various piece.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to embodiment illustrated herein, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. printing screen plate, be applied to printing machine, be provided with the screen frame frame of fixing described printing screen plate in the described printing machine, it is characterized in that, described printing screen plate comprises: screen frame and the screen cloth that is positioned at described screen frame central area, wherein, the inner area of described screen cloth is less than the aperture area of described screen frame frame, but greater than effective printing area of described screen cloth.
2. printing screen plate according to claim 1 is characterized in that, the proportion of the inner area of described screen cloth and effective printing area of described screen cloth is 1.15:1-1.5:1.
3. printing screen plate according to claim 1 and 2 is characterized in that, described screen frame is back-shaped structure.
4. printing screen plate according to claim 3 is characterized in that, the following table area of described screen frame equals the top surface area of described screen frame.
5. printing screen plate according to claim 3 is characterized in that, the following table area of described screen frame is greater than the top surface area of described screen frame.
6. printing screen plate according to claim 5 is characterized in that, the part that described screen frame following table area exceeds described screen frame top surface area is identical with the material of described other parts of screen frame.
7. printing screen plate according to claim 5 is characterized in that, the part that described screen frame following table area exceeds described screen frame top surface area is different from the material of described other parts of screen frame.
8. printing screen plate according to claim 7 is characterized in that, the part that described screen frame following table area exceeds described screen frame top surface area is timber screen frame, rubber screen frame, vertical screen frame or aluminium screen frame.
9. printing screen plate according to claim 3 is characterized in that, described screen frame also comprises: be positioned at described screen frame central area and dismountable screen frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427634.1U CN202727545U (en) | 2012-08-27 | 2012-08-27 | Screen printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220427634.1U CN202727545U (en) | 2012-08-27 | 2012-08-27 | Screen printing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202727545U true CN202727545U (en) | 2013-02-13 |
Family
ID=47653284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220427634.1U Expired - Lifetime CN202727545U (en) | 2012-08-27 | 2012-08-27 | Screen printing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202727545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354459A (en) * | 2014-11-25 | 2015-02-18 | 浙江东达光伏有限公司 | Solar cell screen printing plate having paste amount limiting function |
| CN106335272A (en) * | 2016-11-01 | 2017-01-18 | 西安电子科技大学 | Solar cell silk-screen printing screen device and installation method thereof |
-
2012
- 2012-08-27 CN CN201220427634.1U patent/CN202727545U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354459A (en) * | 2014-11-25 | 2015-02-18 | 浙江东达光伏有限公司 | Solar cell screen printing plate having paste amount limiting function |
| CN106335272A (en) * | 2016-11-01 | 2017-01-18 | 西安电子科技大学 | Solar cell silk-screen printing screen device and installation method thereof |
| CN106335272B (en) * | 2016-11-01 | 2018-01-12 | 西安电子科技大学 | A kind of solar cell silk screen printing screen plate device and its installation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |