CN111976264A - High-performance metal film layer plate making method - Google Patents
High-performance metal film layer plate making method Download PDFInfo
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- CN111976264A CN111976264A CN202010936047.4A CN202010936047A CN111976264A CN 111976264 A CN111976264 A CN 111976264A CN 202010936047 A CN202010936047 A CN 202010936047A CN 111976264 A CN111976264 A CN 111976264A
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- metal film
- mesh cloth
- glue
- film layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
- B41C1/145—Forme preparation for stencil-printing or silk-screen printing by perforation using an energetic radiation beam, e.g. a laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/04—Printing plates or foils; Materials therefor metallic
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Toxicology (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a high-performance metal film layer plate making method which comprises the steps of net stretching, plate washing, metal film coarsening, metal film gluing, drying, high-temperature pressing, laser and inspection and shipment. The invention has the beneficial effects that the smoothness and the film thickness uniformity of the metal film are utilized to ensure that the electrical performance of the printed product of a client is better and the efficiency is higher; by utilizing the wear resistance and chemical resistance of the metal membrane and the high polymer material, the service life of the product and the stability of the quality of the product in the front-rear period of a client product can be effectively improved; the uniformity of the line width of the manufactured graph is realized by utilizing the stability of laser energy, so that a product with more uniform appearance can be printed by a client, and the efficiency and the quality of the product are improved; meanwhile, compared with the existing screen printing plate manufacturing process, the manufacturing process is reduced, the production efficiency of products is improved, manual operation is reduced, the stability of the products is improved, the hot drying process of the screen printing plate is reduced, and the purpose of saving energy is achieved.
Description
Technical Field
The invention relates to the technical field of screen printing plate manufacturing, in particular to a high-performance metal film layer plate making method.
Background
At present, the high-precision screen printing plate is required to be subjected to the process of screen printing plate exposure and development, namely, the process of pasting a film pattern on the screen printing plate coated with the photosensitive emulsion and obtaining the pattern in a developing mode after exposure. In the current state of the art, it is common practice to coat a screen with a photosensitive emulsion of a certain thickness. After the screen printing plate is dried, a film graph which is prepared in advance is placed on the surface of the screen printing plate, then the film and the screen printing plate which are fixed in position are placed on an exposure machine, corresponding exposure parameters are set, and vacuumizing exposure is carried out. And after exposure is finished, developing the screen printing plate, namely washing the part which is not photosensitive on the screen printing plate by using a water gun to obtain a film graph. In the screen produced under the condition, due to the current photosensitive emulsion, the resolution of the screen graph is not high, particularly the line width below 25 microns is difficult to achieve, and the current photosensitive emulsion is high in price and complex in process; in addition, due to the fact that the film pattern is pasted before exposure, the surface of the screen printing plate is easily polluted in the process of pasting the film pattern, and the screen printing plate is stripped and even scrapped. These conditions are extremely disadvantageous for printing high-precision products, and the operation is troublesome and slow, so that it is of great importance to find a better screen pattern making method.
The existing screen printing plate manufacturing process needs to go through a plurality of process flows, a plurality of processes such as screen stretching, plate washing, coating, exposure, development and the like, most of the processes are still manual operation, a machine is only auxiliary operation, a large amount of manpower and factory space are required to be invested to complete complex processes, and the quality is unstable. Meanwhile, photosensitive emulsion is coated on the screen printing plate, the moisture content is high, long-time drying is required to be carried out by using a hot air oven, tiny particles in the air can fall onto the screen printing plate photosensitive emulsion due to the influence of the environment and the oven, the surface of the screen printing plate is flawed, the use of a client is seriously influenced, the cost and raw material resources are wasted, the energy consumption of the hot air drying screen printing plate is high, the photosensitive emulsion is always in contact friction with a printed object in the printing process, the printed object is a silicon wafer in the common solar cell printing process, the problem of printing plate breakage is often caused due to the fact that the emulsion is not hard enough and is not wear-resistant, and the service life of the screen printing plate is influenced.
Disclosure of Invention
The invention aims to solve the problems and designs a high-performance metal film layer plate making method.
The technical scheme of the invention is that the high-performance metal film layer plate making method comprises the following steps:
s1, stretching a net: using a top frame machine to carry out top tension on the mesh cloth, bonding the peripheral edges of the polyester mesh cloth, stretching the polyester mesh cloth again after bonding, arranging the steel wire mesh cloth in the center of the mesh frame, cutting off the polyester mesh cloth outside the peripheral edges, finishing net stretching, and obtaining the mesh cloth with the peripheral edges fixed on the mesh frame;
s2, plate washing: putting the screen to be cleaned into a groove filled with surface treatment liquid, soaking for 1-30 minutes, taking out the screen, washing and wetting the two sides of the screen by using a water gun, and drying;
s3, roughening the metal film: selecting metal diaphragms with different thicknesses according to the requirements of customers, and roughening the two sides of each metal diaphragm;
s4, film pasting: attaching the roughened metal film to the steel wire mesh cloth and the polyester mesh cloth;
s5, laser: carrying out laser by using laser to obtain a graph required by a client;
s6, checking and shipping: and (5) checking whether the processed goods are qualified.
Furthermore, the roughening treatment in S3 is to perform sand blasting, PEVCD or texturing on both sides of the metal membrane, or to achieve a certain roughness on the surface of the metal membrane by using a chemical etching or atomization method, where the roughness of the metal surface is required to be 2-3 μm.
Further, the film pasting mode in the step S4 is divided into polymer glue pasting and electroforming and electroplating mode pasting, and the polymer glue pasting process comprises the following steps:
a. coating the metal film with glue, namely coating a layer of polymer glue made of a polymer material on the S surface of the metal film manually or by a machine;
b. drying, namely putting the polymer glue coated into an oven for primary drying;
c. and (3) high-temperature pressing: and (3) tightly attaching the S surface of the metal diaphragm to the surface of the screen steel wire in a manual or machine film attaching mode, coating or attaching a film layer made of high polymer material on the other P surface of the metal diaphragm, and performing high-temperature pressing.
Furthermore, the thickness of the macromolecular glue coated on the steel wire mesh cloth and the polyester mesh cloth is between 4 and 10 mu m.
Further, the oven drying temperature is set to 45 ℃, and the drying time is set to 10 min.
Further, the high-temperature pressing temperature is set to be 100-500 ℃, and the high-temperature pressing time is 10-120 min.
Further, the polymer glue comprises polyimide glue, epoxy resin glue and acrylic acid glue.
The method has the advantages that the smoothness and the film thickness uniformity of the metal film are utilized to ensure that the electrical performance of a customer printed product is better and the efficiency is higher; by utilizing the wear resistance and chemical resistance of the metal membrane and the high polymer material, the service life of the product and the stability of the quality of the product in the front-rear period of a client product can be effectively improved; the uniformity of the line width of the manufactured graph is realized by utilizing the stability of laser energy, so that a product with more uniform appearance can be printed by a client, and the efficiency and the quality of the product are improved; meanwhile, compared with the existing screen printing plate manufacturing process, the manufacturing process is reduced, the production efficiency of products is improved, manual operation is reduced, the stability of the products is improved, the hot drying process of the screen printing plate is reduced, and the purpose of saving energy is achieved.
Drawings
FIG. 1 is a schematic process flow diagram of the present invention;
FIG. 2 is a schematic view of a process flow of a polymer film lamination method.
Detailed Description
The invention aims to change the structure, the material and the manufacturing process of the screen printing plate to improve the service life of the screen printing plate at a client end and the efficiency of a printed product, simultaneously can optimize the manufacturing process of the screen printing plate, replace manpower with a machine, reduce the investment of the manpower, improve the stability of the product quality, reduce the manufacturing period of the screen printing plate, reduce the floor area of equipment, discharge waste of heat energy and reduce the waste of raw material resources. Therefore, the company needs to develop a high-performance metal alloy film layer plate making process to meet the market demand.
The invention is described in detail below with reference to the accompanying drawings, and as shown in fig. 1, a high-performance metal film layer plate making method includes the following steps:
s1, stretching a net: using a top frame machine to carry out top tension on the mesh cloth, bonding the peripheral edges of the polyester mesh cloth, stretching the polyester mesh cloth again after bonding, arranging the steel wire mesh cloth in the center of the mesh frame, cutting off the polyester mesh cloth outside the peripheral edges, finishing net stretching, and obtaining the mesh cloth with the peripheral edges fixed on the mesh frame;
s2, plate washing: putting the screen to be cleaned into a groove filled with surface treatment liquid, soaking for 1-30 minutes, taking out the screen, washing and wetting the two sides of the screen by using a water gun, and drying;
s3, roughening the metal film: the method comprises the steps of selecting metal diaphragms with different thicknesses according to the requirements of customers, and conducting roughening treatment on the two sides of each metal diaphragm, wherein the roughening treatment is implemented by conducting sand blasting, PEVCD or texturing on the two sides of each metal diaphragm, or the surface of each metal diaphragm can reach certain roughness by using a chemical etching or atomizing mode, and the roughness of the metal surface is required to be 2-3 mu m. (ii) a
S4, film pasting: attaching the roughened metal film to the steel wire mesh cloth and the polyester mesh cloth;
s5, laser: carrying out laser by using laser to obtain a graph required by a client;
s6, checking and shipping: and (5) checking whether the processed goods are qualified.
The film pasting mode in the S4 is divided into polymer glue pasting and electroforming and electroplating mode pasting, and the polymer glue pasting process comprises the following steps:
a. coating a metal film with glue, coating a layer of polymer glue of a polymer material on the S surface of the metal film sheet by hand or machine, wherein the polymer glue comprises polyimide glue, epoxy resin glue and acrylic acid glue, and the thickness of the polymer glue coated on the steel wire mesh cloth and the polyester mesh cloth is 4-10 mu m;
b. drying, namely putting the polymer glue coated into an oven for primary drying, wherein the drying temperature of the oven is set to 45 ℃, and the drying time is set to 10 min;
C. and (3) high-temperature pressing: the method comprises the steps of tightly attaching the S surface of a metal membrane to the surface of a screen steel wire in a manual or machine membrane attaching mode, coating or attaching a thin film layer made of a high polymer material on the other P surface of the metal membrane, and performing high-temperature lamination, wherein the high-temperature lamination temperature is set to be 100-500 ℃, and the high-temperature lamination time is 10-120 min.
The structure of the prior screen printing plate mainly comprises a screen frame, polyester screen cloth, steel wire gauze and glue sensitive emulsion, wherein the screen frame, the polyester screen cloth and the steel wire gauze are bonded by the glue, the screen cloth is tightened by a screen tensioning machine to have certain tension to form a screen printing plate, the screen printing plate is coated with the sensitive emulsion, the exposure treatment is carried out by a graph of a client, the graph is formed on the screen printing plate, and the sensitive emulsion has the defects of friction resistance, organic solvent resistance, difficult control of uniformity of film thickness, difficult control of stability of line width, exposure energy, great influence of environment temperature and humidity and the like. The metal diaphragm plate making method is mainly characterized in that the metal diaphragm replaces the original photosensitive emulsion, the metal diaphragm is tightly combined with a screen printing plate by polymer glue to form the screen printing plate of the metal diaphragm, and a pattern is engraved on the metal diaphragm by laser to form the screen printing plate required by printing of a client. The metal diaphragm has the characteristics of strong mechanical friction resistance, strong organic solvent resistance, prolonged service life of the screen printing plate, good thickness uniformity, stable laser energy, stable graphic line width and good uniformity, and improves the electrical property of printed products of customers.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (7)
1. A high-performance metal film layer plate making method is characterized by comprising the following steps:
s1, stretching a net: using a top frame machine to carry out top tension on the mesh cloth, bonding the peripheral edges of the polyester mesh cloth, stretching the polyester mesh cloth again after bonding, arranging the steel wire mesh cloth in the center of the mesh frame, cutting off the polyester mesh cloth outside the peripheral edges, finishing net stretching, and obtaining the mesh cloth with the peripheral edges fixed on the mesh frame;
s2, plate washing: putting the screen to be cleaned into a groove filled with surface treatment liquid, soaking for 1-30 minutes, taking out the screen, washing and wetting the two sides of the screen by using a water gun, and drying;
s3, roughening the metal film: selecting metal diaphragms with different thicknesses according to the requirements of customers, and roughening the two sides of each metal diaphragm;
s4, film pasting: attaching the roughened metal film to the steel wire mesh cloth and the polyester mesh cloth;
s5, laser: carrying out laser by using laser to obtain a graph required by a client;
s6, checking and shipping: and (5) checking whether the processed goods are qualified.
2. The method for platemaking a high-performance metal film according to claim 1, wherein the roughening treatment in S3 is sand blasting, PEVCD or texturing both sides of the metal film, or chemical etching or atomization may be used to achieve a certain roughness of the surface of the metal film, and the roughness of the metal surface is required to be 2-3 μm.
3. The method for making the high-performance metal film layer according to claim 1, wherein the film attaching manner in S4 is divided into polymer glue attaching and electroforming and electroplating attaching, and the polymer glue attaching process comprises:
a. coating the metal film with glue, namely coating a layer of polymer glue made of a polymer material on the S surface of the metal film manually or by a machine;
b. drying, namely putting the polymer glue coated into an oven for primary drying;
c. and (3) high-temperature pressing: and (3) tightly attaching the S surface of the metal diaphragm to the surface of the screen steel wire in a manual or machine film attaching mode, coating or attaching a film layer made of high polymer material on the other P surface of the metal diaphragm, and performing high-temperature pressing.
4. The method for making the high-performance metal film layer as claimed in claim 3, wherein the thickness of the polymer glue coated on the steel wire mesh cloth and the polyester mesh cloth is between 4 and 10 μm.
5. The method for making a high-performance metal film layer according to claim 3, wherein the oven drying temperature is set to 45 ℃ and the drying time is set to 10 min.
6. The method for making a high-performance metal film layer according to claim 3, wherein the high-temperature pressing temperature is set to 100 ℃ to 500 ℃, and the high-temperature pressing time is 10min to 120 min.
7. The method for making a high performance metal film layer as claimed in claim 3, wherein the polymer glue comprises polyimide glue, epoxy resin glue, and acrylic glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936047.4A CN111976264A (en) | 2020-09-08 | 2020-09-08 | High-performance metal film layer plate making method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010936047.4A CN111976264A (en) | 2020-09-08 | 2020-09-08 | High-performance metal film layer plate making method |
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| CN111976264A true CN111976264A (en) | 2020-11-24 |
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| CN202010936047.4A Pending CN111976264A (en) | 2020-09-08 | 2020-09-08 | High-performance metal film layer plate making method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016025A (en) * | 2021-10-29 | 2022-02-08 | 株洲中车时代半导体有限公司 | Metal film transfer method |
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| CN111605291A (en) * | 2020-05-23 | 2020-09-01 | 无锡易杰印刷有限公司 | Laser plate making method and equipment |
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2020
- 2020-09-08 CN CN202010936047.4A patent/CN111976264A/en active Pending
Patent Citations (6)
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| KR101056519B1 (en) * | 2010-12-29 | 2011-08-12 | 한국조폐공사 | Metal screen printing plate and method for manufacturing the screen printing plate |
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| CN106079846A (en) * | 2016-06-13 | 2016-11-09 | 仓和精密制造(苏州)有限公司 | The printing preparation method of steel version |
| CN110039884A (en) * | 2019-05-15 | 2019-07-23 | 沃苏特电子科技（苏州）有限公司 | A kind of production method of multi-angle or zero degree halftone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114016025A (en) * | 2021-10-29 | 2022-02-08 | 株洲中车时代半导体有限公司 | Metal film transfer method |
| CN114016025B (en) * | 2021-10-29 | 2024-04-19 | 株洲中车时代半导体有限公司 | Metal film transfer method |
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Application publication date: 20201124 |
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