CN102336051A - Screen printing device for solar batteries - Google Patents
Screen printing device for solar batteries Download PDFInfo
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- CN102336051A CN102336051A CN2011102290575A CN201110229057A CN102336051A CN 102336051 A CN102336051 A CN 102336051A CN 2011102290575 A CN2011102290575 A CN 2011102290575A CN 201110229057 A CN201110229057 A CN 201110229057A CN 102336051 A CN102336051 A CN 102336051A
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- baffle
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- feed back
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a screen printing device for solar batteries. The screen printing device comprises a printing scraper, an auxiliary scraper, a feed back knife and a printing screen. The device is characterized in that two baffle structures are mounted on the printing screen, at two sides close to the ends of the printing scraper, wherein each baffle structure is mainly composed of a baffle surface, a baffle frame and an installation rack; the bottom of the baffle surface is in split type contact with a screen surface, or adhered to the screen surface through a flexible material; edges of the feed back knife, the printing scraper and the auxiliary scraper are in seamless contact with the baffle surface; a printing head drives the scrapers and the feed back knife to contact the baffle surface in a sliding manner, so that the paste moves in a range defined by the baffle surfaces at the two sides, the scraper and the feed back knife, and slurry is prevented from flowing to the two sides; and the device can ensure uniform fluidity, viscosity and thixotropy of the slurry and avoid the local drying and waste of the slurry, thereby improving electrode printing efficiency and printing quality.
Description
Technical field
The present invention relates to photovoltaic industry battery production technology, relate in particular to solar energy crystal silicon cell silk-screen printing technique.
Background technology
In recent years, with the in short supply and people of the energy its own existence environment requirement is improved constantly, regenerative resource has obtained paying close attention to widely.Wherein, solar energy becomes the emphasis of new energy development as the regenerative resource of cleaning.2000-2010, global photovoltaic industry fast development, wherein crystal silicon cell occupies the market leading position always.For the crystal silicon cell preparation section, mainly comprise technical process such as cleaning and texturing, diffusion system knot, peripheral etching, coated with antireflection layer, electrode making, wherein the making of electrode is to be the indispensable operation of electric energy with conversion of solar energy.Crystal silicon battery is produced in the line at present, and the making of electrode is accomplished through oversintering after mainly utilizing electrocondution slurry to form required electrode pattern through serigraphy again.
At present existing silk-screen printing device structure mainly is made up of print engine head, printing scraper (frictioning is inlayed at general edge), feed back cutter and printing screen plate etc.When electrode printed, the feed back cutter rose, and printing scraper descends and acts on half tone silk screen face and travel forward with certain squeegee pressure, and the squeezing action of slurry through scraper sees through the silk screen face and be printed on and form electrode pattern on the battery sheet; During feed back, printing scraper rises, silk screen face pop into position, and the feed back cutter descends and acts on half tone silk screen face and motion backward with suitable pressure simultaneously, thereby accomplishes stone to treat printing next time.In this kind printing equipment structure, printing scraper is in the zone between printing scraper and the feed back cutter with the parallel placement of feed back cutter, electrocondution slurry; On the other hand, for the elastic deformation ability that adapts to half tone silk screen face with guarantee printed patterns precisely, the design of silk screen face width degree will be far longer than the width of printing zone.Like this, just caused in printing process, slurry is understood flowing to " non-Printing Zone " of nature, thereby breaks away from the control range of scraper and feed back cutter.With the carrying out of printing, this part slurry can be stuck in " non-Printing Zone " always, causes the volatilization of organic solvent in the slurry, thereby causes local mummification.When the mummification slurry is sneaked in the printing slurry again, cause network blocking easily, problems such as disconnected grid; In addition, the slurry of stagnation and the slurry viscosity of motion, flowability, thixotropy are different, also can cause printing bad.Produce the method for head it off on the line at present: with perching knife it is scraped the Printing Zone through the operative employee, cause the waste of slurry but the edge still has remnants, and in the process of shovel, can touch half tone, can influence printing quality to a certain extent; If when stopping print engine head shovel slurry, cause the reduction of production efficiency for a moment to the Printing Zone, the 2nd, when restarting print engine head, just the printing stability of the battery sheet of printing also can be affected.
Summary of the invention
The objective of the invention is in order to solve in the electrode screen printing process of solar energy crystal silicon cell; Slurry flows to the problem of the non-printing zone of printing scraper and feed back cutter both sides of the edge, and a kind of printing equipment structure that prevents slurry mummification waste and guarantee printing quality is provided.
Existing printing equipment structure mainly comprises printing scraper, feed back cutter, printing screen plate.
The technical scheme that the present invention taked is:
(1) on printing screen plate, near the printing scraper both sides of edges two baffle arrangements are installed, wherein baffle arrangement mainly is made up of baffle-panels, baffle plate framework and installing rack; Between baffle-panels and the printing screen face inclination angle can be set, like the 10-90 degree, baffle-panels and baffle plate framework are provided with 0-5 ° of angle vernier device structure; Owing between baffle-panels and the printing screen face certain inclination angle is set, when printing scraper descended printing, baffle-panels and silk screen face received the acting surface coordination elastic deformation of scraper simultaneously, thereby prevent that slurry from oozing to the stream of both sides;
(2) bottom of baffle-panels contacts with silk screen face detachable or coheres through flexible material;
(3) edge of feed back cutter and printing scraper and undercutter contacts with baffle-panels is seamless;
(4) print engine head drives scraper and contacts slip with baffle-panels with the feed back cutter, and slurry is moved in the scope that both sides baffle-panels, scraper and feed back cutter surround, and realizes that slurry is not to two side flow;
When (5) baffle plate is connected with framework with half tone framework coupling part, can be shifted to regulate the spacing of two baffle plates; Top is provided with draw ring, is convenient to the replacing of baffle plate;
Baffle-panels and feed back cutter, scraper or undercutter contact, and can contact slip;
(6) undercutter is connected through guide frame with scraper; And can slide relatively, the moving range of undercutter wherein is provided with elastic device through positioning control; Elasticity adjusting is to guarantee reducing the pressure of undercutter to silk screen to greatest extent under the situation that slurry does not flow through;
(7) undercutter and doctor position can also can have 0-70 ° angle with scraper point-blank;
The beneficial effect that the present invention reached: the baffle arrangement simplicity of design, and also very little to the deformation behavior influence of half tone silk screen face, thus the accurate of printed patterns guaranteed.Prevent effectively that on the other hand slurry from flowing to non-printing zone, guarantee that slurry has the flowability of homogeneous, viscosity and thixotropy, avoid local mummification of slurry and waste, thereby improve electrode printing efficiency and printing quality.
Description of drawings
The present invention will be described will to combine accompanying drawing and embodiment below.
Fig. 1 printing equipment structure schematic top plan view;
Among the figure: 1 half tone framework, 2 silk screens, 3 baffle plates, 4 scrapers, 5 feed back cuttves, 6 knife rests, 7 undercutter;
Fig. 2 is the generalized section of schematic top plan view 1 along the A direction;
Among the figure: 8 scraping articles (frictioning), 9 baffle-panels, 10 baffle plate installing racks, 11 baffle plate frameworks, 12 baffle plate drop handles, 13 baffle plate angle fine tuning structures, the control of 15 undercutter elasticity;
Fig. 3 is the generalized section of schematic top plan view 1 along the B direction;
Fig. 4 is the generalized section of schematic top plan view 1 along the C direction;
Fig. 5 is the generalized section of schematic top plan view 1 along the D direction;
Among the figure: 14 baffle plate bolts, 16 baffle plate mounting grooves.
The specific embodiment
Fig. 1 is the vertical view of printing equipment structure among the embodiment.This printing equipment mainly is made up of structures such as half tone framework (1), silk screen (2), baffle plate (3), scraper (4), feed back cutter (5), knife rest (6), undercutter (7), scraping article (frictioning) (8) and baffle-panels (9), baffle plate installing rack (10), baffle plate framework (11), baffle plate drop handle (12), baffle plate angle fine tuning structure (13), baffle plate bolt (14), undercutter elasticity control (15), baffle plate mounting grooves.
Baffle plate (3) is installed in the baffle plate mounting groove (16) on the half tone framework (1) through baffle plate installing rack (10); And can pass through the position (as shown in Figure 5) of baffle plate bolt (14) controllable register on the half tone framework, the frictioning of inlaying with undercutter with fine setting baffle-panels (9) (8) and the contact pressure at feed back cutter (5) edge.
Baffle plate (3) is after half tone framework (1) is gone up installation; Baffle-panels (9) bottom and seamless contact of silk screen face (2); The side edge of the side of baffle-panels and undercutter (7) and feed back cutter (5) is touched, its concrete structure sketch map as shown in Figures 2 and 3, wherein the inclination angle of baffle-panels (9) and printing screen face (3) is 45 °; Frictioning (8) is inlayed at undercutter (7) edge, and the outward flange of frictioning contacts with baffle-panels (9).Undercutter (7) links to each other through guide frame with scraper (4); And can be shifted relatively through elasticity control structure (15) between undercutter and the scraper; When printing; Undercutter is the scraper upward displacement relatively, and can regulate the pressure of undercutter (7) to silk screen face (2) and baffle-panels (9) through undercutter elasticity control (15).
In the present embodiment; Baffle-panels (9) can be the hard plate material with certain flexible plastics, metal or composite; Perhaps, mask upward constitutes baffle-panels for adhering to baffle plate framework (11); Wherein mask material is high-intensity plastics, strap, perhaps for being coated with silk screen, plastic foil and the rubber membrane etc. that attach latex film.
Present embodiment is not influence silk screen face deformability when realizing printing like this and prevent slurry marginal flow slurry: when printing; Scraper (4) drive undercutter (7) descends and acts on silk screen face (2), and the silk screen face is out of shape thereupon and accomplishes printing with travelling forward of scraper (4).In this process, the frictioning (8) at undercutter (7) edge and seamless contact of baffle-panels (9), while undercutter (7) is elastic displacement upwards, thereby reduces the deformation influence to silk screen face (2).Frictioning (8) also acts on downwards on the baffle-panels (9) simultaneously; Baffle-panels is also corresponding to bottom offset under the pressure of frictioning; This has just realized baffle-panels (9) and seamless contact of silk screen face (2) in printing process; Guaranteed that when printing slurry can not flow the outside of infiltrate baffle plate, thereby the outer effluent in edge of slurry is starched when having realized preventing to print.When feed back, scraper (4) drive undercutter (7) rises, and feed back cutter (5) drops to contact silk screen face (2) and also moves completion feed back and stone backward to treat printing next time.In this process, feed back knife-edge edge contacts slip with baffle-panels (9), thereby the stream that prevents slurry oozes.In the reciprocal process of above printing and feed back; Slurry moves in the zone that is surrounded by baffle-panels (9) and scraper (4) and undercutter (7), feed back cutter (5); Slurry is not flowed to the non-Printing Zone of printing zone both sides, avoided the mummification waste of slurry so on the one hand; Guaranteed the homogeneous of printing slurry physical property on the other hand, also obtained certain lifting for the electrode printing effect.The printing equipment structure of using present embodiment is when crystal silicon battery is produced line, and the average transformation efficiency of 10000 solar cell gained of printing improves 0.1%.
Claims (3)
1. a solar cell silk screen printing device comprises printing scraper, undercutter, feed back cutter, printing screen plate, it is characterized in that:
(1) on printing screen plate, two baffle arrangements is installed near the printing scraper both sides of edges; Wherein baffle arrangement mainly is made up of baffle-panels, baffle plate framework and installing rack; Between baffle-panels and the printing screen face inclination angle can be set, baffle-panels and baffle plate framework are provided with 0-5 ° of angle vernier device structure;
(2) bottom of baffle-panels contacts with silk screen face detachable or coheres through flexible material;
(3) baffle-panels and feed back cutter, the seamless contact in the edge of scraper and undercutter, and can contact slip;
(4) print engine head drives scraper and contacts slip with baffle-panels with the feed back cutter, and slurry is moved in the scope that both sides baffle-panels, scraper and feed back cutter surround, and realizes that slurry is not to two side flow;
When (5) baffle plate is connected with framework with half tone framework coupling part, can be shifted to regulate the spacing of two baffle plates; Top is provided with draw ring, is convenient to the replacing of baffle plate;
(6) undercutter is connected through guide frame with scraper; And can slide relatively, the moving range of undercutter wherein is provided with elastic device through positioning control; Elasticity adjusting is to guarantee reducing the pressure of undercutter to silk screen to greatest extent under the situation that slurry does not flow through.
2. according to right 1 described a kind of solar cell silk screen printing device, it is characterized in that: the angle of baffle-panels and printing screen face is the 10-90 degree.
3. according to right 1 described a kind of solar cell silk screen printing device, it is characterized in that: the passable position of undercutter and scraper also can have 0-70 ° angle with scraper point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102290575A CN102336051A (en) | 2011-08-11 | 2011-08-11 | Screen printing device for solar batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102290575A CN102336051A (en) | 2011-08-11 | 2011-08-11 | Screen printing device for solar batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102336051A true CN102336051A (en) | 2012-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102290575A Pending CN102336051A (en) | 2011-08-11 | 2011-08-11 | Screen printing device for solar batteries |
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| CN (1) | CN102336051A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086056A (en) * | 2017-04-14 | 2017-08-22 | 北京市合众创能光电技术有限公司 | Preparation and typography for the front conductive silver slurry without net netting version printing |
| CN107584866A (en) * | 2017-10-31 | 2018-01-16 | 京东方科技集团股份有限公司 | A kind of screen printing apparatus, system and its control method |
| CN107650485A (en) * | 2017-09-01 | 2018-02-02 | 昆山恒盛电子有限公司 | Solar energy ties parallel angle half tone screen-tensioning machine without net |
| WO2018113056A1 (en) * | 2016-12-23 | 2018-06-28 | 武汉华星光电技术有限公司 | Method for manufacturing flexible substrate and flexible panel using screen printing machine |
| CN110744937A (en) * | 2019-11-14 | 2020-02-04 | 江苏上达电子有限公司 | Method for saving printing ink |
| CN115366219A (en) * | 2022-07-11 | 2022-11-22 | 深圳奇遇科技有限公司 | Ceramic 3D printing equipment |
| CN116215060A (en) * | 2023-04-11 | 2023-06-06 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
Citations (7)
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| JPH0558074A (en) * | 1991-08-28 | 1993-03-09 | Matsushita Electric Ind Co Ltd | Screen mask for printing press |
| JPH06182967A (en) * | 1992-12-21 | 1994-07-05 | Dainippon Screen Mfg Co Ltd | Screen printing machine and scraper therefor |
| CN1358134A (en) * | 2000-02-01 | 2002-07-10 | 松下电器产业株式会社 | Printing plate and printing method using the same |
| JP2007015307A (en) * | 2005-07-08 | 2007-01-25 | Fuji Mach Mfg Co Ltd | Squeegee head, and scraping member |
| CN1939718A (en) * | 2005-09-29 | 2007-04-04 | 雅马哈发动机株式会社 | Mounting structure of transverse leak-proof and silk screen printing device |
| JP2007268728A (en) * | 2006-03-30 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Printing plate and printing method using it |
| CN101850651A (en) * | 2009-03-31 | 2010-10-06 | 索尼公司 | Silk-screen printing device and scraping plate mechanism |
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2011
- 2011-08-11 CN CN2011102290575A patent/CN102336051A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0558074A (en) * | 1991-08-28 | 1993-03-09 | Matsushita Electric Ind Co Ltd | Screen mask for printing press |
| JPH06182967A (en) * | 1992-12-21 | 1994-07-05 | Dainippon Screen Mfg Co Ltd | Screen printing machine and scraper therefor |
| CN1358134A (en) * | 2000-02-01 | 2002-07-10 | 松下电器产业株式会社 | Printing plate and printing method using the same |
| JP2007015307A (en) * | 2005-07-08 | 2007-01-25 | Fuji Mach Mfg Co Ltd | Squeegee head, and scraping member |
| CN1939718A (en) * | 2005-09-29 | 2007-04-04 | 雅马哈发动机株式会社 | Mounting structure of transverse leak-proof and silk screen printing device |
| JP2007268728A (en) * | 2006-03-30 | 2007-10-18 | Matsushita Electric Ind Co Ltd | Printing plate and printing method using it |
| CN101850651A (en) * | 2009-03-31 | 2010-10-06 | 索尼公司 | Silk-screen printing device and scraping plate mechanism |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018113056A1 (en) * | 2016-12-23 | 2018-06-28 | 武汉华星光电技术有限公司 | Method for manufacturing flexible substrate and flexible panel using screen printing machine |
| CN107086056A (en) * | 2017-04-14 | 2017-08-22 | 北京市合众创能光电技术有限公司 | Preparation and typography for the front conductive silver slurry without net netting version printing |
| CN107650485A (en) * | 2017-09-01 | 2018-02-02 | 昆山恒盛电子有限公司 | Solar energy ties parallel angle half tone screen-tensioning machine without net |
| CN107650485B (en) * | 2017-09-01 | 2020-03-31 | 昆山恒盛电子有限公司 | Solar angle screen plate screen machine without net knots and wefts |
| CN107584866A (en) * | 2017-10-31 | 2018-01-16 | 京东方科技集团股份有限公司 | A kind of screen printing apparatus, system and its control method |
| CN107584866B (en) * | 2017-10-31 | 2019-10-08 | 京东方科技集团股份有限公司 | A kind of screen printing apparatus, system and its control method |
| CN110744937A (en) * | 2019-11-14 | 2020-02-04 | 江苏上达电子有限公司 | Method for saving printing ink |
| CN115366219A (en) * | 2022-07-11 | 2022-11-22 | 深圳奇遇科技有限公司 | Ceramic 3D printing equipment |
| CN116215060A (en) * | 2023-04-11 | 2023-06-06 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
| CN116215060B (en) * | 2023-04-11 | 2023-09-26 | 江苏广谦电子有限公司 | PCB circuit board screen printing machine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120201 |
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| WD01 | Invention patent application deemed withdrawn after publication |