CN114274665A - Photovoltaic backboard glass printing device and method - Google Patents
Photovoltaic backboard glass printing device and method Download PDFInfo
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- CN114274665A CN114274665A CN202111682234.5A CN202111682234A CN114274665A CN 114274665 A CN114274665 A CN 114274665A CN 202111682234 A CN202111682234 A CN 202111682234A CN 114274665 A CN114274665 A CN 114274665A
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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
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- 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
Abstract
The invention relates to a photovoltaic backboard glass printing device, which comprises: the photovoltaic back plate glass conveying device comprises a positioning area, a printing area, an inspection area and a conveying mechanism, wherein the positioning area, the printing area and the inspection area are sequentially arranged along the conveying direction of the photovoltaic back plate glass; the printing area includes: the cleaning brush comprises a screen plate bracket, a cylindrical screen plate rotatably connected with the screen plate bracket, an oil knife movably connected with the screen plate bracket through an oil knife cylinder, a scraper movably connected with the screen plate bracket through a scraper cylinder and a cleaning brush fixedly connected with the screen plate bracket. The photovoltaic backboard glass printing device utilizes the characteristic that the cylindrical screen printing plate is repeated in cycles, the screen printing plate only needs to do continuous circular motion, reciprocating motion is avoided, and time and efficiency are saved; the outer surface of the cylindrical screen is the lower surface of the traditional planar screen, so that the outer surface of the screen can be cleaned without stopping at any time, and the problems of pasting the screen, stopping to clean the screen and the like are avoided.
Description
Technical Field
The invention relates to the technical field of glass deep processing, in particular to a photovoltaic backboard glass printing device and a method thereof.
Background
Under the situation of global power shortage and high coal price, the attention of the photovoltaic power generation industry is extremely high, and the demand of the crystalline silicon solar cell is gradually increased. The improvement of photoelectric conversion efficiency and the prolongation of service life are always the development directions of crystalline silicon solar cells, wherein a double-glass crystalline silicon cell assembly is one of hot spot products. The double-glass crystal silicon battery pack needs to use a back plate to print glass, and is mainly produced by a screen printing process at present. The screen printing equipment has various forms at present in China, the equipment for screen printing of the photovoltaic backboard glass is improved by adopting automobile glass screen printing equipment, and although basic requirements can be met, the problems of low production efficiency, easiness in plate pasting, difficulty in screen plate cleaning and the like are solved. Foreign manufacturers have few special equipment for producing photovoltaic back plate printing glass and are expensive.
Therefore, a photovoltaic backplane glass printing apparatus and a method thereof are needed.
Disclosure of Invention
The invention aims to provide a photovoltaic backboard glass printing device and a method thereof, aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that:
the invention provides a photovoltaic backboard glass printing device, which comprises: the photovoltaic back plate glass conveying device comprises a positioning area, a printing area, an inspection area and a conveying mechanism, wherein the positioning area, the printing area and the inspection area are sequentially arranged along the conveying direction of the photovoltaic back plate glass; the printing area includes: the screen printing device comprises a screen printing plate bracket, a cylindrical screen printing plate which is rotatably connected with the screen printing plate bracket, an oil knife which is movably connected with the screen printing plate bracket through an oil knife cylinder, a scraper which is movably connected with the screen printing plate bracket through a scraper cylinder and a cleaning brush which is fixedly connected with the screen printing plate bracket;
the oil knife cylinder is obliquely arranged, the oil knife is fixedly connected with a piston rod of the oil knife cylinder, and the oil knife can be in operable abutting joint with the inner wall of the cylindrical screen printing plate; the scraper cylinder is vertically arranged, the scraper is fixedly connected with a piston rod of the scraper cylinder, the scraper abuts against the inner wall of the cylindrical screen printing plate, and the scraper can operatively drive the outer wall of the cylindrical screen printing plate to be attached to the photovoltaic back plate glass or not; the cleaning brush is abutted against the outer wall of the cylindrical screen printing plate.
Preferably, the positioning area includes: and the positioning mechanism is used for accurately positioning the photovoltaic back plate glass.
Preferably, the oil knife, the scraper and the cleaning brush are sequentially arranged along the rotation direction of the cylindrical screen printing plate.
Preferably, the transfer mechanism comprises: locate in succession the location area and the linear guide rail of printing regional top, be equipped with a plurality of groups on the linear guide rail and be used for snatching photovoltaic backplate glass's sucking disc, every group the sucking disc is driven by actuating mechanism, and can follow the linear guide rail removes.
Preferably, the transfer mechanism further comprises: and the conveying carrier rollers are arranged above the printing area and are driven by a driving mechanism.
The second aspect of the invention provides a photovoltaic back panel glass printing method using the photovoltaic back panel glass printing device for operation, which comprises the following steps:
s1, enabling the photovoltaic back plate glass to enter the positioning area from an upstream roller way after an edging process, a cleaning process and a punching process, and enabling the positioning mechanism in the positioning area to accurately position the photovoltaic back plate glass;
s2, conveying the positioned photovoltaic backboard glass to a printing area from the positioning area by the conveying mechanism;
s3, in the printing area, the cylindrical screen printing plate performs circular motion, the photovoltaic back plate glass performs linear motion at the same time, the linear speed of the cylindrical screen printing plate is the same as that of the photovoltaic back plate glass, and the printing ink is printed on the upper surface of the photovoltaic back plate glass through the cooperation of the oil knife and the scraper;
s4, the conveying mechanism conveys the photovoltaic backboard glass with printing completed to an inspection area from the printing area.
Preferably, when the oil knife is abutted against the inner wall of the cylindrical screen printing plate, the ink is brushed onto the cylindrical screen printing plate; and when the oil knife is not abutted against the inner wall of the cylindrical screen printing plate, the printing ink is not brushed onto the cylindrical screen printing plate.
Preferably, the scraper cylinder urges the scraper operatively in the working position and in the disengaged position; when the scraper is located at the working position, the outer wall of the cylindrical screen is attached to the photovoltaic back plate glass; when the scraper is located at the separation position, a gap is formed between the outer wall of the cylindrical screen printing plate and the photovoltaic back plate glass.
Preferably, the cleaning brush is used for cleaning redundant ink on the outer wall of the cylindrical screen printing plate.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the photovoltaic backboard glass printing device utilizes the characteristic that the cylindrical screen printing plate is repeated in cycles, the screen printing plate only needs to do continuous circular motion, reciprocating motion is avoided, and time and efficiency are saved; the oil knife and the scraper do not move horizontally, only the cylinder pushes out, and the printing precision is extremely high; the outer surface of the cylindrical screen is the lower surface of the traditional planar screen, so that the outer surface of the screen can be cleaned without stopping at any time, and the problems of screen pasting, screen cleaning in stopping and the like are avoided; by utilizing the characteristics of the cylindrical screen printing plate, the ink can be always concentrated between the upper surface of the oil knife and the screen printing plate, and the ink level height can be detected by a sensor, so that the automatic ink adding function is realized; the configuration of double machine heads and double screen printing plates can be adopted to realize the replacement of the screen printing plates without stopping the machine.
Drawings
FIG. 1 is a schematic structural diagram of a photovoltaic backplane glass printing apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a printing area in a photovoltaic backplane glass printing apparatus;
FIG. 3 is a schematic structural diagram of a printing mechanism in the photovoltaic backplane glass printing apparatus;
FIG. 4 is a schematic view of a printed area of a photovoltaic backsheet glass in accordance with the present invention;
wherein, the horizontal direction arrow is used for instructing photovoltaic backplate glass's direction of delivery, and vertical direction arrow is used for instructing the direction of rotation of cylinder formula half tone, and the reference numeral still includes:
a positioning area 1; a printing area 2; a screen plate bracket 21; a cylindrical screen 22; an oil-knife cylinder 23; an oil knife 24; a scraper cylinder 25; a scraper 26; a cleaning brush 27; an inspection area 3; a conveying mechanism 4; a linear guide 41; a suction cup 42; a conveying idler 43; photovoltaic back sheet glass 5; ink 6; a print area 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Example 1
As shown in fig. 1, the present embodiment provides a photovoltaic backplane glass printing device, including: the photovoltaic back plate glass inspection device comprises a positioning area 1, a printing area 2, an inspection area 3 and a conveying mechanism 4 which are sequentially arranged along the conveying direction of the photovoltaic back plate glass;
wherein the positioning area 1 comprises: a positioning mechanism for precisely positioning the photovoltaic back plate glass, the positioning mechanism can be referred to in paragraph [ 0055 ] of patent CN 202110986546.9;
as shown in fig. 2, the printing area 2 includes: a screen bracket 21, a cylindrical screen 22 rotatably connected with the screen bracket 21, an oil knife 24 movably connected with the screen bracket 21 through an oil knife cylinder 23, a scraper 26 movably connected with the screen bracket 21 through a scraper cylinder 25, and a cleaning brush 27 fixedly connected with the screen bracket 21; the oil knife 24, the scraper 26 and the cleaning brush 27 are sequentially arranged along the rotation direction of the cylindrical screen 22;
as shown in fig. 3, the oil knife cylinder 23 is obliquely arranged, the oil knife 24 is fixedly connected with the piston rod of the oil knife cylinder 23, and the oil knife 24 operably abuts against the inner wall of the cylindrical screen 22; the scraper cylinder 25 is vertically arranged, the scraper 26 is fixedly connected with a piston rod of the scraper cylinder 25, the scraper 25 abuts against the inner wall of the cylindrical screen 22, and the scraper 25 can operatively drive the outer wall of the cylindrical screen 22 to be attached to the photovoltaic back panel glass or not; the cleaning brush 27 abuts against the outer wall of the cylindrical screen 22;
wherein the transfer mechanism 4 comprises: the linear guide rail 41 is continuously arranged above the positioning area 1 and the printing area 2, a plurality of groups of suckers 42 for grabbing the photovoltaic back panel glass are arranged on the linear guide rail 41, and each group of suckers 42 is driven by a driving mechanism and can move along the linear guide rail 41; and a plurality of conveying idlers 43 provided above the printing area 2, the conveying idlers being driven by a driving mechanism.
Example 2
The embodiment provides a photovoltaic back panel glass printing method for operating by using the photovoltaic back panel glass printing device in embodiment 1, and the method comprises the following steps:
s1, enabling the photovoltaic back plate glass to enter the positioning area 1 from an upstream roller way after an edging process, a cleaning process and a punching process, and accurately positioning the photovoltaic back plate glass by the positioning mechanism in the positioning area 1;
s2, conveying the photovoltaic back panel glass which is positioned completely to a printing area 2 from the positioning area 1 by the conveying mechanism 4;
s3, in the printing area 2, the cylindrical screen 22 performs circular motion, the photovoltaic backplane glass performs linear motion at the same time, and the linear velocity of the cylindrical screen 22 is the same as that of the photovoltaic backplane glass, and the oil knife 24 and the scraper 26 cooperate to print the ink on the upper surface of the photovoltaic backplane glass;
s4, the conveying mechanism 4 conveys the photovoltaic back panel glass (shown in fig. 4) with printing completed from the printing area 2 to the inspection area 3.
In a preferred embodiment, when the oil knife 24 abuts against the inner wall of the cylindrical screen 22, ink is applied to the cylindrical screen 22; when the oil blade 24 does not abut against the inner wall of the cylindrical screen 22, the ink is not applied to the cylindrical screen 22.
As a preferred embodiment, the scraper cylinder 25 urges the scraper 25 operatively in the working position and the disengaged position; when the scraper 25 is in the working position, the outer wall of the cylindrical screen 22 is attached to the photovoltaic back plate glass; when the scraper 25 is in the disengaged position, a gap is formed between the outer wall of the cylindrical screen 22 and the photovoltaic back panel glass.
In a preferred embodiment, the cleaning brush 27 is used for cleaning the excess ink on the outer wall of the cylindrical screen 22.
In conclusion, the photovoltaic backboard glass printing device provided by the invention utilizes the characteristic that the cylindrical screen printing plate is repeated in cycles, and the screen printing plate only needs to do continuous circular motion without reciprocating motion, so that the photovoltaic backboard glass printing device is time-saving and efficient; the oil knife and the scraper do not move horizontally, only the cylinder pushes out, and the printing precision is extremely high; the outer surface of the cylindrical screen is the lower surface of the traditional planar screen, so that the outer surface of the screen can be cleaned without stopping at any time, and the problems of screen pasting, screen cleaning in stopping and the like are avoided; by utilizing the characteristics of the cylindrical screen printing plate, the ink can be always concentrated between the upper surface of the oil knife and the screen printing plate, and the ink level height can be detected by a sensor, so that the automatic ink adding function is realized; the configuration of double machine heads and double screen printing plates can be adopted to realize the replacement of the screen printing plates without stopping the machine.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A photovoltaic backplane glass printing device, comprising: the photovoltaic backboard glass inspection device comprises a positioning area (1), a printing area (2), an inspection area (3) and a conveying mechanism (4), wherein the positioning area, the printing area and the inspection area are sequentially arranged along the conveying direction of the photovoltaic backboard glass; characterized in that said printing area (2) comprises: the screen printing device comprises a screen printing plate bracket (21), a cylindrical screen printing plate (22) rotatably connected with the screen printing plate bracket (21), an oil knife (24) movably connected with the screen printing plate bracket (21) through an oil knife cylinder (23), a scraper (26) movably connected with the screen printing plate bracket (21) through a scraper cylinder (25) and a cleaning brush (27) fixedly connected with the screen printing plate bracket (21);
the oil knife cylinder (23) is obliquely arranged, the oil knife (24) is fixedly connected with a piston rod of the oil knife cylinder (23), and the oil knife (24) can be in contact with the inner wall of the cylindrical screen printing plate (22) in an operable manner; the scraper cylinder (25) is vertically arranged, the scraper (26) is fixedly connected with a piston rod of the scraper cylinder (25), the scraper (25) abuts against the inner wall of the cylindrical screen printing plate (22), and the scraper (25) can be used for driving the outer wall of the cylindrical screen printing plate (22) to be attached to the photovoltaic back plate glass or not in an operable mode; the cleaning brush (27) is abutted against the outer wall of the cylindrical screen (22).
2. Photovoltaic backsheet glass printing device according to claim 1, wherein said positioning area (1) comprises: and the positioning mechanism is used for accurately positioning the photovoltaic back plate glass.
3. The photovoltaic backplane glass printing apparatus according to claim 1, characterized in that the oil knife (24), the scraper (26) and the cleaning brush (27) are arranged in sequence in the rotation direction of the cylindrical screen (22).
4. Photovoltaic backsheet glass printing apparatus according to claim 1, characterized in that said conveying means (4) comprise: locate in succession the location is regional (1) and linear guide rail (41) above printing region (2), be equipped with a plurality of groups on linear guide rail (41) and be used for snatching sucking disc (42) of photovoltaic backplate glass, every group sucking disc (42) are driven by actuating mechanism, and can follow linear guide rail (41) move.
5. Photovoltaic backsheet glass printing apparatus according to claim 4, characterized in that said conveying mechanism (4) further comprises: and the conveying carrier rollers (43) are arranged above the printing area (2) and are driven by a driving mechanism.
6. A photovoltaic backsheet glass printing process operating with the photovoltaic backsheet glass printing apparatus of any one of claims 1-5, comprising the steps of:
s1, the photovoltaic back plate glass enters the positioning area (1) from an upstream roller way after being subjected to an edging process, a cleaning process and a punching process, and the positioning mechanism in the positioning area (1) accurately positions the photovoltaic back plate glass;
s2, conveying the photovoltaic backboard glass subjected to positioning to a printing area (2) from the positioning area (1) by the conveying mechanism (4);
s3, in the printing area (2), the cylindrical screen (22) performs circular motion, the photovoltaic back panel glass performs linear motion simultaneously, the linear speed of the cylindrical screen (22) is the same as that of the photovoltaic back panel glass, and ink is printed on the upper surface of the photovoltaic back panel glass through the cooperation of the oil knife (24) and the scraper (26);
s4, the conveying mechanism (4) conveys the photovoltaic backboard glass with printing completed to an inspection area (3) from the printing area (2).
7. The photovoltaic backplane glass printing method according to claim 6, characterized in that ink is brushed onto the cylindrical screen (22) when the oil knife (24) abuts against the inner wall of the cylindrical screen (22); when the oil knife (24) does not abut against the inner wall of the cylindrical screen (22), the ink is not applied to the cylindrical screen (22).
8. The photovoltaic backsheet glass printing process according to claim 6, wherein said doctor cylinder (25) urges said doctor blade (25) operatively in an active position and a disengaged position; when the scraper (25) is in the working position, the outer wall of the cylindrical screen (22) is attached to the photovoltaic back plate glass; when the scraper (25) is in the separation position, a gap is formed between the outer wall of the cylindrical screen (22) and the photovoltaic back panel glass.
9. The photovoltaic backplane glass printing method according to claim 6, characterized in that the cleaning brush (27) is used to clean excess ink on the outer wall of the cylindrical screen (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682234.5A CN114274665B (en) | 2021-12-28 | 2021-12-28 | Photovoltaic backboard glass printing device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111682234.5A CN114274665B (en) | 2021-12-28 | 2021-12-28 | Photovoltaic backboard glass printing device and method thereof |
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| CN114274665A true CN114274665A (en) | 2022-04-05 |
| CN114274665B CN114274665B (en) | 2023-05-05 |
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| CN202111682234.5A Active CN114274665B (en) | 2021-12-28 | 2021-12-28 | Photovoltaic backboard glass printing device and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107347A (en) * | 2022-08-04 | 2022-09-27 | 浙江海印数码科技有限公司 | Single-pass automatic online sizing digital printing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006346915A (en) * | 2005-06-14 | 2006-12-28 | Matsushita Electric Ind Co Ltd | Scraper of screen process printing machine |
| CN113771482A (en) * | 2021-08-26 | 2021-12-10 | 中国建材国际工程集团有限公司 | Photovoltaic backboard glass printing device and printing method |
| CN215203979U (en) * | 2020-11-16 | 2021-12-17 | 武汉武耀安全玻璃股份有限公司 | Glass printing ink printing blotting device |
-
2021
- 2021-12-28 CN CN202111682234.5A patent/CN114274665B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006346915A (en) * | 2005-06-14 | 2006-12-28 | Matsushita Electric Ind Co Ltd | Scraper of screen process printing machine |
| CN215203979U (en) * | 2020-11-16 | 2021-12-17 | 武汉武耀安全玻璃股份有限公司 | Glass printing ink printing blotting device |
| CN113771482A (en) * | 2021-08-26 | 2021-12-10 | 中国建材国际工程集团有限公司 | Photovoltaic backboard glass printing device and printing method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107347A (en) * | 2022-08-04 | 2022-09-27 | 浙江海印数码科技有限公司 | Single-pass automatic online sizing digital printing machine |
| CN115107347B (en) * | 2022-08-04 | 2024-01-19 | 浙江海印数码科技有限公司 | Single-pass automatic online sizing digital printing machine |
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| CN114274665B (en) | 2023-05-05 |
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