CN204547302U - There is the photovoltaic cell printing screen plate of slurry limit function - Google Patents
There is the photovoltaic cell printing screen plate of slurry limit function Download PDFInfo
- Publication number
- CN204547302U CN204547302U CN201520085637.5U CN201520085637U CN204547302U CN 204547302 U CN204547302 U CN 204547302U CN 201520085637 U CN201520085637 U CN 201520085637U CN 204547302 U CN204547302 U CN 204547302U
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- slurry
- screen
- printing
- photovoltaic cell
- silk screen
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Abstract
The utility model discloses a kind of photovoltaic cell printing screen plate with slurry limit function, comprise screen frame and be arranged at the silk screen on screen frame bottom surface, described screen frame is provided with slurry stopping means, this slurry stopping means comprises spacing catch, this limit, spacing catch side is hinged in screen frame one side roof part, another side of this spacing catch is tilted to down the outside boundaries being shelved on printing zone on silk screen, and described spacing catch and silk screen are also provided with flexible catch between printing zone border.Adopt the photovoltaic cell printing screen plate with slurry limit function of the present utility model, slurry in half tone can be limited to the flowing of non-printing district, thus improve the utilization rate of slurry, extend silk screen service life.
Description
Technical field
The utility model relates to a kind of printing supplies, particularly relates to a kind of improvement of photovoltaic cell electrode print half tone.
Background technology
Photovoltaic cell utilizes photovoltaic principle to generate electricity, and in order to the electric current that will produce is derived, needs to make positive and negative two electrodes on cell substrate surface.The method manufacturing electrode is a lot, and serigraphy makes the most general a kind of production technology of photovoltaic cell electrode at present.Serigraphy is by silk fabrics, the silk screen such as synthetic fabrics or wire netting stretches tight on screen frame, adopt manual method of carving paint film or photochemistry plate-making that required picture and text are made screen printing forme on silk screen, the mode of impression is adopted to be printed on substrate by picture and text predetermined on half tone, areas on half tone is generally positioned at the middle part of silk screen, the elasticity that the wire part of picture and text periphery can make silk screen keep enough, in printing process, slurry is poured in half tone, with scraper, certain pressure is applied to slurry in silk screen, move towards the silk screen other end simultaneously, slurry is expressed on substrate by scraper in movement from the mesh of half tone visuals, viscous effect due to slurry makes trace set within the specific limits, certain distance is maintained between half tone and substrate in printing, because silk screen has certain elasticity, scraper linearly contacts with substrate with screen printing forme all the time, contact wire moves with scraper and mobile, thus complete print stroke.
Photovoltaic cell needs to form back electrode through the printing of back silver aluminium paste, the printing of cell backside aluminium paste forms back of the body electric field, cell front side silver paste printing forms positive electrode, print silver-colored aluminum slurry used, silver paste and aluminum slurry are when pouring in half tone, due to the mobility of himself, slurry can trickle to surrounding, particularly make the aluminum slurry of back of the body electric field, its viscosity is lower, mobility is strong, whole silk screen can be covered with, and the peripheral part beyond half tone picture and text is not Printing Zone, after plate-making, this part no longer includes mesh, scraper also can not be applied to this region in the course of the work, slurry can stop and become dry for a long time in non-printing district, waste can be caused on the one hand, slurry after another aspect is dry and hard also can bring damage to silk screen, and dry and hard slurry needs to root out with special perching knife when changing half tone, root out the damage very easily causing silk screen in process, silk screen also not easy cleaning after rooting out.
Utility model content
For the above-mentioned defect existing for prior art, technical problem to be solved in the utility model is to provide a kind of photovoltaic cell printing screen plate with slurry limit function, and the slurry that it can limit in half tone flows to non-printing district.
In order to solve the problems of the technologies described above, a kind of photovoltaic cell printing screen plate with slurry limit function of the present utility model, comprise screen frame and be arranged at the silk screen on screen frame bottom surface, described screen frame is also provided with slurry stopping means, this slurry stopping means comprises spacing catch, this limit, spacing catch side is hinged in screen frame one side roof part, and another side of this spacing catch is tilted to down the outside boundaries being shelved on printing zone on silk screen.
In said structure, owing to being also provided with slurry stopping means on described screen frame, then this slurry stopping means can make the slurry in half tone be limited in certain scope, again because this slurry stopping means comprises spacing catch, this limit, spacing catch side is hinged in screen frame one side roof part, then the spacing catch of this slurry stopping means can rotate on screen frame, being in operating position in printing process carries out spacing to slurry, and can overturn easily when needs are cleared up half tone and leave operating position, facilitate the cleaning work of half tone, also because another side of this spacing catch is tilted to down the outside boundaries being shelved on printing zone on silk screen, slurry can be blocked on silk screen in printing zone by the spacing catch being then shelved on the slurry stopping means of the outside boundaries of printing zone on silk screen, restriction slurry flows to non-printing district, avoid because slurry may dry and hard in non-printing district and the damage of the silk screen caused, and spacing catch is to setting under tilting, when flowing back to downwards in the Printing Zone of half tone along its inclined-plane after slurry limited catch restriction flowing, avoid the stop of slurry on slurry stopping means, improve the utilization rate of slurry.
A kind of preferred embodiment of the present utility model, described spacing catch and silk screen are provided with flexible catch between printing zone border.Adopt this embodiment, when silk screen in printing process under scraper effect to bottom offset time, flexible catch can ensure that silk screen still effectively can limit slurry and flow in non-printing district between stock in interstice coverage intrinsic displacement process.
Another kind of preferred embodiment of the present utility model, described flexible catch and the bonding connection of printing zone outside boundaries on spacing catch and silk screen.Adopt this embodiment, between flexible catch and serigraphy zone boundary and between flexible catch and spacing catch, all can keep sealing state, slurry can be limited better and flow to non-printing district.
Another preferred embodiment of the present utility model, described slurry stopping means is arranged at the relative both sides of screen frame.Adopt this embodiment, the both sides being provided with slurry stopping means are the limit parallel with print direction, when stream of slurry is to non-printing district corresponding to these both sides, owing to the most easily causing the stop of slurry and dry and hard not by the effect of scraper, arrange slurry stopping means thus result of use is the most obvious on these both sides.
The further preferred embodiment of the utility model, described slurry stopping means is arranged at four limits of screen frame.Adopt this embodiment, comprehensively protection can be implemented to non-printing district in half tone.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the photovoltaic cell printing screen plate that the utility model has slurry limit function is described in further detail.
Fig. 1 is the structural representation that the utility model has a kind of detailed description of the invention of photovoltaic cell printing screen plate of slurry limit function;
Fig. 2 is the top view of structure shown in Fig. 1;
Fig. 3 is the plan structure schematic diagram that the utility model has the another kind of detailed description of the invention of photovoltaic cell printing screen plate of slurry limit function.
In figure: 1-screen frame, 2-slurry stopping means, 21-flexible catch, the spacing catch of 22-, 3-silk screen, 31-printing zone.
Detailed description of the invention
Have in the photovoltaic cell printing screen plate of slurry limit function shown in Fig. 1 and Fig. 2, screen frame 1 is quadra structure, be made up of aluminum material, intensity is high and light, not yielding, silk screen 3 is stretched and located on bottom screen frame 1, bonding by adhesive, silk screen 3 can be organic silk screen cloth, also can be stainless steel mesh cloth.Screen frame 1 is provided with slurry stopping means 2, this slurry stopping means 2 comprises spacing catch 22, spacing catch 22 is made up of light plastic sheet, this spacing catch 22 1 side is hinged in screen frame 1 one side roof part by hinge, another side of this spacing catch 22 is tilted to down the outside boundaries being shelved on printing zone 31 on silk screen 3, described spacing catch 22 and silk screen 3 are provided with flexible catch 21 between printing zone 31 border, flexible catch 21 and the bonding connection respectively of printing zone 31 outside boundaries on spacing catch 22 and silk screen 3, flexible catch 21 is self-adhesion Teflon adhesive tape, also can adhesive tape be adopted simply to make, slurry stopping means 2 is divided into the relative both sides of screen frame 1, these both sides are the limit paralleled with scraper print direction in printing process, when the slurry printed is poured on the silk screen 3 in screen frame 1, slurry stopping means 2 limits the flowing of slurry to non-printing district, both sides, and in printing process, scraper runs along print direction, when slurry travels forward and flows out to scraper two ends under the promotion of scraper, slurry stopping means 2 limits the flowing of slurry to non-printing district, scraper two ends equally, slurry is blocked on flexible catch 21 and spacing catch 22, and get back in printing zone 31 at the flows by action of flexible catch 21 and spacing catch 22 inclined plane.Like this, avoid because of slurry may stop in non-printing district, the dry and hard and damage of the silk screen 3 caused, and improve the utilization rate of slurry.
Fig. 3 shows another kind of embodiment of the present utility model; in this embodiment; described slurry stopping means 2 is arranged at four limits of screen frame 1; so not only at the two ends of scraper; and be all provided with slurry stopping means 2 at the print direction two ends of scraper motion, thus all non-printing districts are all among the position limitation protection of slurry stopping means 2.
below detailed description of the invention more of the present utility model are only listed; but the utility model is not limited in this; other improvement and conversion can also be made; as long as improvement done on the utility model general principle basis and conversion, all should be considered as falling in protection domain of the present utility model.
Claims (5)
1. one kind has the photovoltaic cell printing screen plate of slurry limit function, comprise screen frame (1) and be arranged at the silk screen (3) on screen frame (1) bottom surface, it is characterized in that: on described screen frame (1), be also provided with slurry stopping means (2), this slurry stopping means (2) comprises spacing catch (22), this spacing catch (22) side is hinged in screen frame (1) side roof part, and another side of this spacing catch (22) is shelved on the outside boundaries of the upper printing zone (31) of silk screen (3) obliquely.
2. the photovoltaic cell printing screen plate with slurry limit function according to claim 1, is characterized in that: between described spacing catch (22) and upper printing zone (31) border of silk screen (3), be provided with flexible catch (21).
3. the photovoltaic cell printing screen plate with slurry limit function according to claim 2, is characterized in that: described flexible catch (21) and spacing catch (22) and the upper bonding connection of printing zone (31) outside boundaries of silk screen (3).
4. the photovoltaic cell printing screen plate with slurry limit function according to claim 1, is characterized in that: described slurry stopping means (2) is arranged at the relative both sides of screen frame (1).
5. the photovoltaic cell printing screen plate with slurry limit function according to claim 1, is characterized in that: described slurry stopping means (2) is arranged at four limits of screen frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085637.5U CN204547302U (en) | 2015-02-08 | 2015-02-08 | There is the photovoltaic cell printing screen plate of slurry limit function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085637.5U CN204547302U (en) | 2015-02-08 | 2015-02-08 | There is the photovoltaic cell printing screen plate of slurry limit function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204547302U true CN204547302U (en) | 2015-08-12 |
Family
ID=53822459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520085637.5U Expired - Fee Related CN204547302U (en) | 2015-02-08 | 2015-02-08 | There is the photovoltaic cell printing screen plate of slurry limit function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204547302U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848649A (en) * | 2020-12-31 | 2021-05-28 | 常州时创能源股份有限公司 | Paste barrier strip for screen printing and using method thereof |
-
2015
- 2015-02-08 CN CN201520085637.5U patent/CN204547302U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848649A (en) * | 2020-12-31 | 2021-05-28 | 常州时创能源股份有限公司 | Paste barrier strip for screen printing and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20200208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |