CN204687531U - A kind of solar cell printing returning blade - Google Patents
A kind of solar cell printing returning blade Download PDFInfo
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- CN204687531U CN204687531U CN201520419851.XU CN201520419851U CN204687531U CN 204687531 U CN204687531 U CN 204687531U CN 201520419851 U CN201520419851 U CN 201520419851U CN 204687531 U CN204687531 U CN 204687531U
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- returning blade
- solar cell
- shaped body
- cutter hub
- slurry
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Abstract
The utility model discloses a kind of solar cell printing returning blade, comprise fixed support and returning blade cutter hub, wherein, described support bracket fastened lower end is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body and two ends, the left and right camber body bending to right front.Described solar cell printing returning blade is by changing into described U-shaped returning blade by existing straight returning blade, the region making slurry first fill middle concave, namely first fill the region at described U-shaped cutter hub place, recessed region flows to both sides after filling out slurry, fills peripheral region, greatly reduce the probability of slurry to returning blade edge flowing, improve the uniformity of Hui Mo, reduce the probability that slurry flows to both sides, improve printing performance quality, reduce use cost, add profit.
Description
Technical field
The utility model relates to solar cell and manufactures field, particularly a kind of solar cell printing returning blade.
Background technology
In the processing procedure of solar cell, by serigraphy, electrocondution slurry is printed onto on silicon chip.On half tone, add slurry during printing, frictioning applies certain pressure to half tone, moves towards the half tone other end simultaneously.Slurry is expressed on stock in movement from mesh, and due to viscous effect, set within limits.Frictioning lifted after scraping the whole space of a whole page, and half tone also lifts simultaneously, and by returning blade, slurry is gently scraped back initial position, completes a print stroke.When using existing returning blade to carry out back ink, slurry easily flows to the both sides of half tone, cause back ink uneven, if and slurry exceeds printed pattern region, these slurries need employee's timing to be shoveled back printing zone and just can be utilized, if and exposed to air time oversize slurry can solidify gradually, these dry finish can cause the generation of printing bad, such as print grid line front and there will be the undesirable condition such as disconnected grid, empty print, node; On the other hand, these dry finish also can block half tone, and reduce the service life of half tone, meanwhile, the generation of these dry finish also reduces the utilization rate of slurry, adds production cost.
Utility model content
The utility model provides a kind of U-shaped solar cell printing returning blade, returns ink evenly, improves the ratio of good of printing, improve the utilization rate of slurry, reduce production cost when returning blade is printed.
For solving the problems of the technologies described above, the utility model embodiment provides a kind of solar cell printing returning blade, comprise fixed support and returning blade cutter hub, wherein, described support bracket fastened lower end is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body and two ends, the left and right camber body bending to right front.
Preferably, the length of described U-shaped body is identical with the length of cell piece.
Preferably, the spacing of the intersection of described U-shaped body and described camber body is 156mm.
Preferably, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body, angle is 135 °-180 °, comprises endpoint value.
Preferably, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body, angle is 165 °.
Preferably, described U-shaped body is the U-shaped body of circular arc or the U-shaped body of parabola
Preferably, described U-shaped body and described arc body are integral type structure.
Preferably, described fixed support and described returning blade cutter hub are integral type structure.
Compared with prior art, the described U-shaped returning blade that the utility model embodiment provides has the following advantages:
The described solar cell printing returning blade that the utility model embodiment provides, comprise fixed support and returning blade cutter hub, wherein, described support bracket fastened lower end is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body and two ends, the left and right camber body bending to right front.
Described U-shaped returning blade is by changing into described U-shaped returning blade by existing straight returning blade, the region making slurry first fill middle concave, namely first fill the region at described U-shaped cutter hub place, recessed region flows to both sides after filling out slurry, fills peripheral region, greatly reduce the probability of slurry to returning blade edge flowing, improve the uniformity of Hui Mo, reduce the probability that slurry flows to both sides, improve printing performance quality, reduce use cost, add profit.
In sum, the U-shaped returning blade described in the utility model embodiment, by straight cutter hub is changed into U-shaped, improves printing performance quality, reduces use cost, add profit.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The front schematic view of a kind of returning blade that Fig. 1 provides for the utility model embodiment;
The returning blade body schematic top plan view that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
Just as described in the background section, in the processing procedure of the solar cell of prior art, by serigraphy, electrocondution slurry is printed onto on silicon chip.During printing, returning blade is used to carry out Hui Mo, slurry easily flows to the both sides of half tone, cause back ink uneven, if and slurry exceeds printed pattern region, these slurries need employee's timing to be shoveled back printing zone and just can be utilized, and if exposed to air time oversize slurry can solidify gradually, these dry finish can cause the generation of printing bad, such as print grid line front and there will be the undesirable condition such as disconnected grid, empty print, node; On the other hand, these dry finish also can block half tone, and reduce the service life of half tone, meanwhile, the generation of these dry finish also reduces the utilization rate of slurry, adds production cost.
Based on this, the utility model embodiment provides a kind of solar cell printing returning blade, comprise fixed support and returning blade cutter hub, wherein, described support bracket fastened lower end is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body and two ends, the left and right camber body bending to right front.
In sum, returning blade used for solar batteries described in the utility model embodiment is by changing into described U-shaped returning blade by existing straight returning blade, the region making slurry first fill middle concave, namely the region at described U-shaped cutter hub place is first filled, recessed region flows to both sides after filling out slurry, fill peripheral region, greatly reduce the probability of slurry to returning blade edge flowing, improve the uniformity of Hui Mo, reduce the probability that slurry flows to both sides, improve printing performance quality, reduce use cost, add profit.
For enabling above-mentioned purpose of the present utility model, feature and advantage more become apparent, and are described in detail detailed description of the invention of the present utility model below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the utility model.But the utility model can be different from alternate manner described here to implement with multiple, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension.Therefore the utility model is not by the restriction of following public concrete enforcement.
Please refer to Fig. 1 and Fig. 2, the front schematic view of a kind of returning blade that Fig. 1 provides for the utility model embodiment; The returning blade body schematic top plan view that Fig. 2 provides for the utility model embodiment.
In a kind of detailed description of the invention, described solar cell printing returning blade, comprise fixed support 10 and returning blade cutter hub, wherein, the lower end of described fixed support 10 is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body 20 and two ends, the left and right camber body 30 bending to right front.It should be noted that, the utility model is not specifically limited the curve at described U-shaped body 20 place and the curve at described camber body 30 place.
Preferably, the length of described U-shaped body 20 is identical with the length of cell piece.The length of described U-shaped body is identical with the length of cell piece, makes described returning blade disposablely can complete the printing of described cell piece, provides printing efficiency.It should be noted that, due to the diversity of the specification of cell piece, can select the returning blade of correspondingly-sized, the utility model does not do concrete restriction to this.It should be noted that, the length of described U-shaped body 20 refers to the length of the line segment that the end points at described U-shaped body 20 two ends is linked to be.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, described U-shaped body 20 is 156mm with the spacing of the intersection of described camber body 30.The length of the cell piece of conventional a large amount of making is about 156mm, and be 156mm by described U-shaped body 20 with the line space design of the intersection of described camber body 30, then described returning blade is when to described cell piece printing, only needs printing once, improves printing efficiency.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body 20, angle α is 135 °-180 °, comprises endpoint value.When the thickness of the slurry of the last deposition required for the printing zone of cell piece is constant, the length of the knife edge of the returning blade of different angle is different, and angle is larger, and the length of the knife edge of returning blade is shorter, and the translational speed of returning blade is slower, and print speed printing speed is slower.And described angle is less, the translational speed of corresponding returning blade is faster, more at the Hui Moliang of described arcuate segments, effective following ink change of the end points in described U-shaped district is floated greatly, deterioration in print quality, in implementation and operation, consider various factors according to demand, select the returning blade of the U-shaped body 20 of suitable angle.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body 20, angle α is 165 °.When formed by the tangent line at the end points place, two ends, left and right of described U-shaped body 20, angle α is 165 °, printing quality is relatively high, and print because rate is relatively high, printing quality and printing efficiency are comparatively balanced.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, described U-shaped body 20 is the U-shaped body of circular arc 20 or the U-shaped body 20 of parabola.Different described U-shaped bodies 20 is when uniform motion prints, and the curvature of each point is different, and the speed of lower ink is different, and the thickness sunk to the bottom is different.Different U-shaped bodies 20 is selected according to different demands.It should be noted that, the utility model is not specifically limited described U-shaped body 20, can select the U-shaped body 20 of different curve according to demand.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, described U-shaped body 20 and described arc body 30 are integral type structure.Described U-shaped body 20 and described arc body 30 are integral type structure, decrease the error caused in installation process, decrease the amount of labour, improve the intensity of described returning blade cutter hub, improve printing efficiency and reliability.
On the basis of above-described embodiment, in a kind of detailed description of the invention of the present utility model, described fixed support 10 and described returning blade cutter hub are integral type structure.Described fixed support 10 and described returning blade cutter hub are integral type structure, decrease the error caused in installation process, improve the reliability of printing quality and printing quality, improve the structural strength of described returning blade, decrease the amount of labour, improve printing efficiency.
In sum, described solar cell printing returning blade is by changing into described U-shaped returning blade by existing straight returning blade, the region making slurry first fill middle concave, namely the region at described U-shaped cutter hub place is first filled, recessed region flows to both sides after filling out slurry, fill peripheral region, greatly reduce the probability of slurry to returning blade edge flowing, improve the uniformity of Hui Mo, reduce the probability that slurry flows to both sides, improve printing performance quality, reduce use cost, add profit.
Above solar cell printing returning blade provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (8)
1. a solar cell printing returning blade, it is characterized in that, comprise fixed support and returning blade cutter hub, wherein, described support bracket fastened lower end is connected with the upper end of described returning blade cutter hub, and described returning blade cutter hub comprises middle U-shaped body and two ends, the left and right camber body bending to right front.
2. solar cell printing returning blade as claimed in claim 1, it is characterized in that, the length of described U-shaped body is identical with the length of cell piece.
3. solar cell printing returning blade as claimed in claim 2, it is characterized in that, the spacing of the intersection of described U-shaped body and described camber body is 156mm.
4. solar cell printing returning blade as claimed in claim 3, it is characterized in that, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body, angle is 135 °-180 °, comprises endpoint value.
5. solar cell printing returning blade as claimed in claim 4, it is characterized in that, formed by the tangent line at the end points place, two ends, left and right of described U-shaped body, angle is 165 °.
6. solar cell printing returning blade as claimed in claim 5, it is characterized in that, described U-shaped body is the U-shaped body of circular arc or the U-shaped body of parabola.
7. solar cell printing returning blade as claimed in claim 6, it is characterized in that, described U-shaped body and described arc body are integral type structure.
8. solar cell printing returning blade as claimed in claim 7, it is characterized in that, described fixed support and described returning blade cutter hub are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419851.XU CN204687531U (en) | 2015-06-17 | 2015-06-17 | A kind of solar cell printing returning blade |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419851.XU CN204687531U (en) | 2015-06-17 | 2015-06-17 | A kind of solar cell printing returning blade |
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| CN204687531U true CN204687531U (en) | 2015-10-07 |
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| CN201520419851.XU Active CN204687531U (en) | 2015-06-17 | 2015-06-17 | A kind of solar cell printing returning blade |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179670A (en) * | 2022-07-15 | 2022-10-14 | 泰州隆基乐叶光伏科技有限公司 | Printing method, solar cell and photovoltaic module |
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2015
- 2015-06-17 CN CN201520419851.XU patent/CN204687531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115179670A (en) * | 2022-07-15 | 2022-10-14 | 泰州隆基乐叶光伏科技有限公司 | Printing method, solar cell and photovoltaic module |
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