CN204472088U - Composite halftone used for solar batteries - Google Patents
Composite halftone used for solar batteries Download PDFInfo
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- CN204472088U CN204472088U CN201520085639.4U CN201520085639U CN204472088U CN 204472088 U CN204472088 U CN 204472088U CN 201520085639 U CN201520085639 U CN 201520085639U CN 204472088 U CN204472088 U CN 204472088U
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Abstract
The utility model discloses a kind of composite halftone used for solar batteries, comprise screen frame and be stretched and located on the silk screen on screen frame, described silk screen comprises the stainless steel mesh cloth being positioned at silk screen center and the organic silk screen cloth being positioned at stainless steel mesh cloth periphery, stainless steel mesh cloth and organic silk screen cloth bond and are connected, described stainless steel mesh cloth is rectangle, this stainless steel mesh cloth is divided into the idle stroke district at graphic printing district and two ends, graphic printing district along its length, and the length A in graphic printing district is equal with the width B of stainless steel mesh cloth; The meshcount of the organic silk screen cloth outside stainless steel mesh cloth minor face is greater than the meshcount of the organic silk screen cloth outside the long limit of stainless steel mesh cloth; The meshcount of the organic silk screen cloth outside described stainless steel mesh cloth minor face is greater than the meshcount of stainless steel mesh cloth, and the meshcount of the organic silk screen cloth outside the long limit of described stainless steel mesh cloth is less than the meshcount of stainless steel mesh cloth.This composite halftone used for solar batteries can ensure printing quality, extends 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 solar battery sheet electrode print half tone.
Background technology
Solar battery sheet utilizes solar energy to be converted into electric energy, in order to produced electric current is derived, need just making on cell substrate surface, negative two electrodes, these electrodes utilize screen printing mode to be printed on cell substrate surface in the slurries such as the silver slurry of making electrode or aluminium paste, in order to improve the generating efficiency of solar cell as far as possible, the position accuracy demand of electrode is higher, in order to obtain higher making precision, serigraphy silk screen used mostly adopts composite halftone, composite halftone is the two screen cloth material half tone of one be composited by organic silk screen cloth and stainless steel mesh cloth, stainless steel mesh cloth is the printed pattern district of half tone, be in the middle part of whole silk screen, its size is corresponding with the size of solar battery sheet, in square, its periphery and organic silk screen cloth are connected by adhesive bond, it had both had the high resilience of organic silk screen, there is again the characteristic that stainless steel cloth printing quality is high, and it is poor to overcome stainless steel cloth resilience, the problem of stressed excessive easy plastic deformation.
Silk screen due to above-mentioned composite halftone is composited by bonding mode by two kinds of different screen cloths, then between two kinds of screen cloths can there is step in abutting edge, height of formation is poor, in printing process, on scraper and scraper return device for ink etc. likely with this step phase grazing, cause the instability that in printing process, scraper runs, thus have influence on printing quality, and frequent grazing also can cause the damage of silk screen, affect service life, and also can cause additional wear to scraper and then can printing quality be affected.
Utility model content
For the above-mentioned deficiency existing for prior art, technical problem to be solved in the utility model is to provide a kind of composite halftone used for solar batteries, and it can ensure printing quality, extends silk screen service life.
In order to solve the problems of the technologies described above, one of the present utility model composite halftone used for solar batteries, comprise screen frame and be stretched and located on the silk screen on screen frame, described silk screen comprises the stainless steel mesh cloth being positioned at silk screen center and the organic silk screen cloth being positioned at stainless steel mesh cloth periphery, stainless steel mesh cloth and organic silk screen cloth bond and are connected, described stainless steel mesh cloth is rectangle, this stainless steel mesh cloth is divided into the idle stroke district at graphic printing district and two ends, graphic printing district along its length, and the length A in graphic printing district is equal with the width B of stainless steel mesh cloth; The meshcount of the organic silk screen cloth outside stainless steel mesh cloth minor face is greater than the meshcount of the organic silk screen cloth outside the long limit of stainless steel mesh cloth; The meshcount of the organic silk screen cloth outside described stainless steel mesh cloth minor face is greater than the meshcount of stainless steel mesh cloth, and the meshcount of the organic silk screen cloth outside the long limit of described stainless steel mesh cloth is less than the meshcount of stainless steel mesh cloth.
In said structure, because described stainless steel mesh cloth is rectangle, this stainless steel mesh cloth is divided into the idle stroke district at graphic printing district and two ends, graphic printing district along its length, the length in graphic printing district is equal with the width of stainless steel mesh cloth, then in printing process, stainless steel mesh cloth length direction is the print direction of silk screen, the scraper of printing runs in graphic printing district along print direction, the idle stroke district at two ends, graphic printing district ensure that scraper runs in stainless steel mesh cloth, can not contact with the abutting edge between stainless steel mesh cloth and organic silk screen cloth, grazing, scraper is made to run not by the impact of this abutting edge step, stable, scraper also can not produce additional wear simultaneously, such printing quality is corresponding to be guaranteed, the length A in graphic printing district is equal with the width B of stainless steel mesh cloth, has adapted to the foursquare specification requirement of solar battery sheet, and scraper can not contact with the abutting edge between stainless steel mesh cloth and organic silk screen cloth, grazing, also make silk screen not fragile, thus extend the service life of silk screen, again because the meshcount of the organic silk screen cloth outside stainless steel mesh cloth minor face is greater than the meshcount of the organic silk screen cloth outside the long limit of stainless steel mesh cloth, the organic silk screen cloth of stainless steel mesh cloth periphery then can be made on print direction, to have higher intensity because meshcount is higher, higher tension force can be provided, compensate for because stainless steel mesh cloth length on print direction is longer that organic silk screen cloth size that is that bring shortens, tension force and logy defect, thus printing quality can be ensured, also because the meshcount of the organic silk screen cloth outside described stainless steel mesh cloth minor face is greater than the meshcount of stainless steel mesh cloth, the meshcount of the organic silk screen cloth outside the long limit of described stainless steel mesh cloth is less than the meshcount of stainless steel mesh cloth, the corresponding meshcount higher than stainless steel mesh cloth of meshcount of the organic silk screen cloth then outside stainless steel mesh cloth minor face, enough tension force can be provided on print direction to make organic silk screen cloth, when the meshcount of stainless steel mesh cloth changes with factors such as printing qualities, the meshcount of the organic silk screen cloth outside the meshcount of the organic silk screen cloth outside stainless steel mesh cloth minor face and the long limit of stainless steel mesh cloth also can correspondingly adjust, thus it is economical, effectively ensure that organic screen cloth can have suitable tension force, ensure printing quality.
A kind of preferred embodiment of the present utility model, 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, and another side of this spacing catch is tilted to down the outside boundaries being shelved on graphic printing district on silk screen.Adopt this embodiment, slurry stopping means can make the slurry in half tone be limited in certain scope, spacing catch is in operating position and carries out spacing to slurry in printing process, slurry to be blocked on silk screen in graphic printing district, restriction slurry flows to non-printing district, and can overturn easily when needs are cleared up half tone and leave operating position, facilitate the cleaning work of half tone, like this, can prevent slurry from stopping in the non-printing head of district time of silk screen, dry and hard, avoid the damage that silk screen may cause therefrom, extend the service life of silk screen.
Another kind of preferred embodiment of the present utility model, is bonded with flexible catch between described spacing catch and silk screen graphic printing district outside boundaries.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 preferred embodiment of the present utility model, described slurry stopping means is arranged at the relative both sides of screen frame, and these both sides are positioned at the long side of stainless steel mesh cloth.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, it is the most obvious to the printing quality effect that increases the service life, ensures that slurry stopping means is set on these both sides.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, composite halftone used for solar batteries of the present utility model is described in further detail.
Fig. 1 is the structural representation of a kind of detailed description of the invention of the utility model composite halftone used for solar batteries;
Fig. 2 is the top view of structure shown in Fig. 1;
Fig. 3 is the structural representation of composite wire in structure shown in Fig. 1.
In figure: the flexible catch of 1-screen frame, 2-slurry stopping means, 21-, the spacing catch of 22-, 3-silk screen, 31-stainless steel mesh cloth, 311-idle stroke district, 312-graphic printing district, 32-organic silk screen cloth.
Detailed description of the invention
In composite halftone used for solar batteries shown in Fig. 1 to Fig. 3, 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 is composite web, to be connected by adhesive bond by stainless steel mesh cloth 31 and the organic silk screen cloth 32 that is positioned at stainless steel mesh cloth 31 periphery and to form, in composite halftone, stainless steel mesh cloth 31 is positioned at silk screen 3 center, stainless steel mesh cloth 31 is rectangle, this stainless steel mesh cloth 31 is divided into the idle stroke district 311 at graphic printing district 312 and two ends, graphic printing district 312 along its length, in printing process, stainless steel mesh cloth 31 length direction is the print direction of silk screen 3, the scraper of printing runs in graphic printing district 312 along print direction, the idle stroke district 311 at two ends, graphic printing district 312 ensure that scraper runs in stainless steel mesh cloth 31, can not contact with the abutting edge between stainless steel mesh cloth 31 and organic silk screen cloth 32, grazing, scraper is made to run not by the impact of this abutting edge step, stable, scraper also can not produce additional wear simultaneously, such printing quality is corresponding to be guaranteed, the length A in graphic printing district 312 is equal with the width B of stainless steel mesh cloth 31, such graphic printing district 312 geomery is corresponding with the foursquare specification of solar battery sheet, the meshcount of the organic silk screen cloth 32 outside stainless steel mesh cloth 31 minor face is greater than the meshcount of the organic silk screen cloth 32 outside the long limit of stainless steel mesh cloth 31, this can be regulated by simple technological parameter and realize in screen cloth weaving process, the organic silk screen cloth 32 of stainless steel mesh cloth 31 periphery is made to have higher intensity because meshcount is higher on print direction, higher tension force can be provided, compensate for because stainless steel mesh cloth 31 length on print direction is longer that organic silk screen cloth 32 size that is that bring shortens, tension force and logy defect, thus can printing quality be ensured, the meshcount of the organic silk screen cloth 32 outside stainless steel mesh cloth 31 minor face is greater than the meshcount of stainless steel mesh cloth 31, the meshcount of the organic silk screen cloth 32 outside the long limit of stainless steel mesh cloth 31 is less than the meshcount of stainless steel mesh cloth 31, make organic silk screen cloth 32 can provide enough tension force on print direction, when the meshcount of stainless steel mesh cloth 31 changes with factors such as printing qualities, the meshcount of the organic silk screen cloth 32 outside the meshcount of the organic silk screen cloth 32 outside stainless steel mesh cloth 31 minor face and the long limit of stainless steel mesh cloth 31 also can correspondingly adjust, thus it is economical, effectively ensure that organic screen cloth 32 can have suitable tension force, ensure printing quality.
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 graphic printing district 312 on silk screen 3, spacing catch 22 and silk screen 3 are bonded with flexible catch 21 between graphic printing district 312 outside boundaries, flexible catch 21 is self-adhesion Teflon adhesive tape, also can adhesive tape be adopted simply to make; Slurry stopping means 2 is arranged at the relative both sides of screen frame 1, and these both sides are positioned at the long side of stainless steel mesh cloth 31.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, when scraper runs along print direction, 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 gets back in Printing Zone 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 caused, and improve the utilization rate of slurry.
be enumerated above detailed description of the invention more of the present utility model; but the utility model is not limited in this; more improvement and conversion can also be made; as as described in slurry stopping means 2 can also be 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.And so on, 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 (4)
1. a composite halftone used for solar batteries, comprise screen frame (1) and be stretched and located on the silk screen (3) on screen frame (1), described silk screen (3) comprises the stainless steel mesh cloth (31) being positioned at silk screen (3) center and the organic silk screen cloth (32) being positioned at stainless steel mesh cloth (31) periphery, stainless steel mesh cloth (31) and organic silk screen cloth (32) bond, it is characterized in that: described stainless steel mesh cloth (31) is rectangle, this stainless steel mesh cloth (31) is divided into the idle stroke district (311) at graphic printing district (312) and graphic printing district (312) two ends along its length, the length A in graphic printing district (312) is equal with the width B of stainless steel mesh cloth (31), the meshcount of the organic silk screen cloth (32) outside stainless steel mesh cloth (31) minor face is greater than the meshcount of the organic silk screen cloth (32) outside stainless steel mesh cloth (31) long limit, the meshcount of the organic silk screen cloth (32) outside described stainless steel mesh cloth (31) minor face is greater than the meshcount of stainless steel mesh cloth (31), and the meshcount of the organic silk screen cloth (32) outside described stainless steel mesh cloth (31) long limit is less than the meshcount of stainless steel mesh cloth (31).
2. composite halftone used for solar batteries according to claim 1, it is characterized in that: on described screen frame (1), be 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 tilted to down the outside boundaries being shelved on the upper graphic printing district (312) of silk screen (3).
3. composite halftone used for solar batteries according to claim 2, is characterized in that: between described spacing catch (22) and upper graphic printing district (312) outside boundaries of silk screen (3), be bonded with flexible catch (21).
4. composite halftone used for solar batteries according to claim 2, is characterized in that: described slurry stopping means (2) is arranged at the relative both sides of screen frame (1), and these both sides are positioned at the long side of stainless steel mesh cloth (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085639.4U CN204472088U (en) | 2015-02-08 | 2015-02-08 | Composite halftone used for solar batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085639.4U CN204472088U (en) | 2015-02-08 | 2015-02-08 | Composite halftone used for solar batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204472088U true CN204472088U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520085639.4U Expired - Fee Related CN204472088U (en) | 2015-02-08 | 2015-02-08 | Composite halftone used for solar batteries |
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| Country | Link |
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| CN (1) | CN204472088U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128063A (en) * | 2017-06-30 | 2017-09-05 | 国家电投集团西安太阳能电力有限公司 | Solar cell silk screen printing device |
| CN109130454A (en) * | 2018-08-24 | 2019-01-04 | 常州亚龙电子科技有限公司 | A kind of the adhesive tape attaching method and screen printing screens of screen printing screens |
| CN110641139A (en) * | 2019-11-13 | 2020-01-03 | 尚德太阳能电力有限公司 | Method for improving yield of solar cell and service life of screen printing plate and screen printing plate |
| CN110744937A (en) * | 2019-11-14 | 2020-02-04 | 江苏上达电子有限公司 | Method for saving printing ink |
-
2015
- 2015-02-08 CN CN201520085639.4U patent/CN204472088U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107128063A (en) * | 2017-06-30 | 2017-09-05 | 国家电投集团西安太阳能电力有限公司 | Solar cell silk screen printing device |
| CN109130454A (en) * | 2018-08-24 | 2019-01-04 | 常州亚龙电子科技有限公司 | A kind of the adhesive tape attaching method and screen printing screens of screen printing screens |
| CN110641139A (en) * | 2019-11-13 | 2020-01-03 | 尚德太阳能电力有限公司 | Method for improving yield of solar cell and service life of screen printing plate and screen printing plate |
| CN110744937A (en) * | 2019-11-14 | 2020-02-04 | 江苏上达电子有限公司 | Method for saving printing ink |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20200208 |