CN114393912A - Novel composite construction half tone - Google Patents
Novel composite construction half tone Download PDFInfo
- Publication number
- CN114393912A CN114393912A CN202111293433.7A CN202111293433A CN114393912A CN 114393912 A CN114393912 A CN 114393912A CN 202111293433 A CN202111293433 A CN 202111293433A CN 114393912 A CN114393912 A CN 114393912A
- Authority
- CN
- China
- Prior art keywords
- polymer film
- mesh cloth
- window
- hot
- metal mesh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims description 5
- 229920006254 polymer film Polymers 0.000 claims abstract description 69
- 239000004744 fabric Substances 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 51
- 239000012943 hotmelt Substances 0.000 claims abstract description 41
- 229920000728 polyester Polymers 0.000 claims abstract description 39
- 238000007650 screen-printing Methods 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims description 8
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 3
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920006381 polylactic acid film Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 2
- 238000007639 printing Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
- B41P2215/12—Screens
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
The invention discloses a novel composite structure screen printing plate, which is characterized in that: comprises a metal net frame, polyester net cloth, metal net cloth and a picture and text carrier polymer film; the hot-melt high polymer film is also included; after the polyester mesh cloth is stretched to a preset tension value, the edge is fixedly connected to the metal mesh frame; the middle of the polyester mesh cloth is provided with a first window, the metal mesh cloth is aligned with the first window, the hot-melt polymer film is positioned between the polyester mesh cloth and the metal mesh cloth, and the metal mesh cloth is lapped on the edge of the first window on the polyester mesh cloth by means of the hot-melt polymer film; a second window is formed in the middle of the hot-melt polymer film, the second window exposes the metal mesh cloth to the first window completely, and the outer contour of the metal mesh cloth is smaller than or equal to that of the hot-melt polymer film; the picture and text carrier polymer film covers the metal mesh cloth, and the edge of the picture and text carrier polymer film is welded with the surface of the hot-melt polymer film, so that the service life of the printing screen can be prolonged.
Description
Technical Field
The invention belongs to the technical field of screens, and particularly relates to a novel composite-structure screen.
Background
In the conventional screen printing process, a thermoplastic polymer hot-melt film such as polyethylene is used for compounding metal mesh cloth and polyester mesh cloth, and an overlapped area of the hot-melt polymer film and the metal mesh cloth forms a compound boundary area; and the image-text bearing polymer film layer with the size of 5-10mm smaller than the composite boundary area is adhered to the metal mesh cloth and is in a separated state with the composite boundary area. And after the printed image-text on the image-text carrier polymer film is prepared, filling a hollow area between the image-text carrier polymer film layer and the composite boundary area with a photosensitive emulsion, and then exposing and curing to realize sealing.
Because the composite boundary area of the screen printing plate is a thermoplastic high-molecular hot-melt film composite layer of polyester, polyethylene and the like, the screen printing plate and the photosensitive emulsion can not form effective adhesion due to the difference of material characteristics.
During printing, the scraper is pressed down from the polyester mesh area and continuously passes through the polyester mesh area, the polyester and steel wire composite overlapping area, the photosensitive emulsion area and the image-text area until the photosensitive emulsion area at the other end of the screen printing plate, the polyester and steel wire composite overlapping area and the polyester mesh area. The main materials related to the screen printing plate comprise polyester mesh cloth, a hot melt film, steel mesh cloth, an image-text carrier film and photosensitive emulsion, all materials are stretched in the printing process, the stretching degrees of the materials are different due to the fact that the strength, the toughness and the like of the materials are different, and the boundary of the joint of the different materials is easy to fatigue crack under the high-frequency printing stretching condition to form the weakest area of the screen printing plate structure, so that plate breakage and slurry leakage are easy to cause.
Disclosure of Invention
The invention aims to provide a novel composite structure screen printing plate, which aims to solve the technical problems in the background technology.
In order to solve the technical problem, the invention aims to realize that:
the utility model provides a novel composite construction half tone which characterized in that: comprises a metal net frame, polyester net cloth, metal net cloth and a picture and text carrier polymer film; the hot-melt high polymer film is also included; after the polyester mesh cloth is stretched to a preset tension value, the edge of the polyester mesh cloth is fixedly connected to the metal mesh frame; the middle of the polyester mesh cloth is provided with a first window, the metal mesh cloth is aligned with the first window, the hot-melt polymer film is positioned between the polyester mesh cloth and the metal mesh cloth, and the metal mesh cloth is lapped on the edge of the first window on the polyester mesh cloth by means of the hot-melt polymer film; a second window is formed in the middle of the hot-melt polymer film, the second window exposes the metal mesh cloth to the first window completely, and the outer contour of the metal mesh cloth is smaller than or equal to that of the hot-melt polymer film; the image-text carrier polymer film covers the metal mesh cloth, and the edge of the image-text carrier polymer film is welded with the surface of the hot-melt polymer film.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer contour of the image-text carrier polymer film is larger than that of the first window. Or smaller than the outline of the first window but overlapping the hot-melt polymer film.
On the basis of the above scheme and as a preferable scheme of the scheme: the difference between the outline of the image-text carrier polymer film and the outline of the first window is 10-30 mm.
On the basis of the above scheme and as a preferable scheme of the scheme: the image-text carrier polymer film is any one of a photosensitive emulsion film, a polyolefin film, a polylactic acid film, a polyimide film, a polyamide film and a liquid crystal polymer film.
On the basis of the above scheme and as a preferable scheme of the scheme: and processing preset pictures and texts on the picture and text carrier polymer film in any one mode of laser, exposure and etching.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that: 1. the service life of the printing screen can be improved; 2. by the technical method, the production process of the screen printing plate can be simplified, and manpower and materials are saved; 3. the limit of the composite edge of the traditional screen printing plate is broken through, and the area of the steel wire mesh cloth can be reduced as much as possible; 4. compared with other methods, the screen printing plate can obviously reduce the production cost.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is a partial enlarged view D;
fig. 4 is a partially enlarged view E.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
A novel composite structure screen printing plate comprises a metal mesh frame 1, polyester mesh 2, metal mesh 4 and an image-text carrier polymer film 5; the hot-melt high polymer film is also included 3; after the polyester mesh cloth 2 is stretched to a preset tension value, the edge of the polyester mesh cloth 2 is fixedly connected to the metal mesh frame 1, and the polyester mesh cloth 2 is preferably fixedly connected to the metal mesh frame 1 in a glue bonding mode in the embodiment; a first window 21 is formed in the middle of the polyester mesh 2, the metal mesh 4 is aligned with the first window 21, the hot-melt polymer film 3 is located between the polyester mesh 2 and the metal mesh 4, a second window 31 is formed in the middle of the hot-melt polymer film 3, the metal mesh 4 is completely exposed to the first window 21 through the second window 31, and the outline of the metal mesh 4 is smaller than the outline of the hot-melt polymer film 3; the edge 4a of the metal mesh cloth 4 is welded to the first window edge 21a of the polyester mesh cloth 2 after being heated and melted by the inner edge 31a of the hot-melt polymer film; the metal mesh cloth 4 is covered by the image-text carrier high polymer film 5, and the edge 5a of the image-text carrier high polymer film is welded with the surface of the hot melt high polymer film outside the edge 4a of the metal mesh cloth.
In this embodiment, it is preferable that the edge 4a of the metal mesh 4 is fused to the first window edge 21a of the polyester mesh 2 after being heated and melted by the inner edge 31a of the hot-melt polymer film, and then an overflow hot-melt layer 31c with a certain width overflows into the first window, so that the outer profile of the image-text carrier polymer film 5 is selected to be less than or equal to the profile of the first window 21, and when the outer profile of the image-text carrier polymer film 5 is less than the profile of the first window 21, the edge difference between the two is less than the width of the overflow hot-melt layer 31c, so that the edge of the image-text carrier polymer film 5 and the metal mesh 4 are fused by the overflow hot-melt layer 31 c; of course, in this embodiment, it is also preferable that the outer contour of the image-text carrier polymer film 5 is larger than the contour of the first window 21, and specifically, it is preferable that the outer contour of the image-text carrier polymer film 5 is larger than the contour of the first window 21 by 0-20 mm.
More preferably, the image-text carrier polymer film 5 is any one of a photosensitive emulsion film, a polyolefin film, a polylactic acid film, a polyimide film, a polyamide film, and a liquid crystal polymer film. Finally, preset pictures and texts are processed on the picture and text carrier polymer film 5 through laser.
The specific processing steps of the embodiment are as follows: fixing the polyester mesh cloth 2 stretched to a preset tension value on a metal mesh frame 1, using the inner edge 3a of a pre-formed 'return' shaped hot-melt polymer film 3 to heat and melt and bond the metal mesh cloth 4 and the polyester mesh cloth 2 at the central position of the mesh frame and form a composite mesh cloth with a certain width at the edge of the position of a preset first window 21, removing the polyester mesh cloth which is not bonded with the metal mesh cloth 4 at the position of the preset first window 21 to form a first window 21, then forming the polyester mesh cloth 2 into 'return' shape, wherein the opening size of the inner opening of the 'return' shaped hot-melt polymer film is smaller than the opening size of the inner edge of the first window 21, the picture and text carrier polymer film 5 covers all picture and text areas and is attached to the metal mesh cloth 4 and is lapped on the outer edge 3b of the hot-melt polymer film, and the picture and text carrier polymer film 5 is effectively bonded with the metal mesh cloth 4 and the outer edge 3b of the hot-melt polymer film respectively under heating condition, and integral molding is realized. In this embodiment, when metal screen cloth and polyester screen cloth 2 are welded through hot melt polymer film 3, when the hot melt polymer film needs to be heated to the melting point or 10-20 ℃ higher than the melting point, under the pressurization state, metal screen cloth 4 and polyester screen cloth 2 are connected and picture and text carrier polymer film 5 and metal screen cloth 4, picture and text carrier polymer film 5 and hot melt polymer film 3 are connected, so that the whole screen plate forms an integrated structure.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (5)
1. The utility model provides a novel composite construction half tone which characterized in that: comprises a metal net frame, polyester net cloth, metal net cloth and a picture and text carrier polymer film; the hot-melt high polymer film is also included; after the polyester mesh cloth is stretched to a preset tension value, the edge of the polyester mesh cloth is fixedly connected to the metal mesh frame; the middle of the polyester mesh cloth is provided with a first window, the metal mesh cloth is aligned with the first window, the hot-melt polymer film is positioned between the polyester mesh cloth and the metal mesh cloth, and the metal mesh cloth is lapped on the edge of the first window on the polyester mesh cloth by means of the hot-melt polymer film; a second window is formed in the middle of the hot-melt polymer film, the second window exposes the metal mesh cloth to the first window completely, and the outer contour of the metal mesh cloth is smaller than or equal to that of the hot-melt polymer film; the image-text carrier polymer film covers the metal mesh cloth, and the edge of the image-text carrier polymer film is welded with the surface of the hot-melt polymer film.
2. The novel composite structure screen printing plate of claim 1, which is characterized in that: the outline of the image-text carrier polymer film is larger than the outline of the first window, or smaller than the outline of the first window and overlapped with the hot-melt polymer film.
3. The novel composite structure screen printing plate of claim 2, which is characterized in that: the outline of the image-text carrier polymer film is greatly different from that of the first window by-10-30 mm.
4. The novel composite structure screen printing plate of claim 1, which is characterized in that: the image-text carrier polymer film is any one of a photosensitive emulsion film, a polyolefin film, a polylactic acid film, a polyimide film, a polyamide film and a liquid crystal polymer film.
5. The novel composite structure screen printing plate of claim 1, which is characterized in that: and processing preset pictures and texts on the picture and text carrier polymer film in any one mode of laser, exposure and etching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293433.7A CN114393912B (en) | 2021-11-03 | 2021-11-03 | Composite construction half tone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111293433.7A CN114393912B (en) | 2021-11-03 | 2021-11-03 | Composite construction half tone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114393912A true CN114393912A (en) | 2022-04-26 |
| CN114393912B CN114393912B (en) | 2023-04-07 |
Family
ID=81225873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111293433.7A Active CN114393912B (en) | 2021-11-03 | 2021-11-03 | Composite construction half tone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114393912B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230303A (en) * | 2022-06-16 | 2022-10-25 | 苏州创旭特能源科技有限公司 | Printing screen plate with variable opening and manufacturing method thereof |
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|---|---|---|---|---|
| CN1131616A (en) * | 1994-12-21 | 1996-09-25 | 理想科学工业株式会社 | Stencil printing sheet |
| JP2000025195A (en) * | 1998-07-14 | 2000-01-25 | Daido Kogei Kk | Method for stretching gauze on makeup frame in screen printing |
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| CN106847939A (en) * | 2015-12-04 | 2017-06-13 | 茂迪股份有限公司 | Solar cell and screen printing plate for forming same |
| US20180272783A1 (en) * | 2017-03-27 | 2018-09-27 | Taiyo Yuden Co., Ltd. | Screen printing plate and manufacturing method of electronic component |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115230303A (en) * | 2022-06-16 | 2022-10-25 | 苏州创旭特能源科技有限公司 | Printing screen plate with variable opening and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114393912B (en) | 2023-04-07 |
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Address after: 314500 No.60, Wenhe Road, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Shuoke Technology Co.,Ltd. Country or region after: China Address before: 314500 No.60, Wenhe Road, Tongxiang Economic Development Zone, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG SHUOKE SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |