CN115923320A - Coated printing screen and manufacturing method thereof - Google Patents
Coated printing screen and manufacturing method thereof Download PDFInfo
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- CN115923320A CN115923320A CN202110890700.2A CN202110890700A CN115923320A CN 115923320 A CN115923320 A CN 115923320A CN 202110890700 A CN202110890700 A CN 202110890700A CN 115923320 A CN115923320 A CN 115923320A
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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 provides a film-coating printing screen, which comprises a screen frame and a composite screen, wherein the composite screen further comprises: the first material net is fixed on the net frame; the second material net comprises a plurality of warps and a plurality of wefts, is combined to the first material net and comprises at least one graphic area; a metal film layer formed on the plurality of warps and the plurality of wefts outside the at least one pattern area on the second material net, wherein the plurality of warps and the plurality of wefts are fixedly coated by the metal film layer; and the high polymer material layer is arranged on one side of the second material net, which comprises the metal film layer, of the sticking printing surface, and the high polymer material layer comprises at least one printing pattern. Moreover, the invention also provides a manufacturing method of the coated printing screen, which can prevent the partial yarn in the coated printing screen from deviating after being removed and broken.
Description
Technical Field
The invention relates to a structure of a printing screen and a manufacturing method thereof, in particular to a coated printing screen and a manufacturing method thereof.
Background
In the prior art, the printing screen is formed by alternately weaving warps and wefts, and in the existing screen structure without mesh knots, a de-screening method can be adopted for manufacturing, and a laser scanning de-screening method can be adopted for the de-screening method. However, in the manufacturing process of the printing screen, a certain tension is used to stretch the screen to perform the yarn removing operation, so that the stress is easily released in the screen removing process, the original yarn removing position is shifted, the pattern position after the yarn removing is not accurate, and the process yield is reduced.
Disclosure of Invention
[ problems to be solved by the invention ]
The prior art mentioned above shows that the problems of position deviation and inaccurate alignment exist in the prior art, which results in low yield rate or increased cost. Therefore, it is desirable to provide a novel screen structure and a manufacturing method thereof, which can solve the alignment problem of precise alignment in the process of removing the screen, and can improve the yield without increasing the manufacturing cost.
[ means for solving the problems ]
A coated printing screen comprises a screen frame; and a composite web, including a doctor blade face and a decal face, and this composite web further includes: a first material net fixed on the net frame; a second material net which comprises a plurality of warps and wefts, wherein the second material net is combined with the first material net, a composite edge is formed at the combination part of the first material net and the second material net, and the second material net comprises at least one pattern area; the metal film layer is formed on the plurality of warps and the plurality of wefts outside the at least one pattern area on the second material net, and the plurality of warps and the plurality of wefts are fixedly coated by the metal film layer; and the high polymer material layer is arranged on one side of the second material net comprising the metal film layer, which is positioned on the pasting surface, and comprises at least one printing pattern which is arranged in the at least one pattern area.
Preferably, in the second material web, the plurality of warp threads and the plurality of weft threads covered by the metal film layer are arranged in a staggered manner, while the plurality of warp threads are not included in the at least one pattern area, and the plurality of weft threads are arranged in a manner of at least one weft thread at intervals.
Preferably, in the second material web, the plurality of warp threads and the plurality of weft threads covered by the metal film layer are arranged in a staggered manner, while the plurality of weft threads are not included in the at least one pattern area, and the plurality of warp threads are arranged at intervals of at least one warp thread.
Preferably, the thickness of the metal film layer is 2-8 μm.
Preferably, the area of the at least one graphic region is 2-10 times the area of the at least one printed pattern.
On the other hand, the invention also provides a manufacturing method of the coated printing screen plate, which comprises the following steps: stretching a composite net to a preset tension by a preset tension, wherein the composite net comprises a first material net and a second material net; setting at least one graphic area on the second material net, wherein the second material net comprises a plurality of warps and a plurality of wefts; coating and forming a protective layer on the at least one pattern region; plating a metal film layer on the plurality of warps and the plurality of wefts outside the at least one pattern area of the second material net by an electroplating process; removing the protective layer on the at least one pattern area; fixing the composite net on a net frame, wherein the composite net comprises a scraper surface and a pasting printing surface; forming a high polymer material layer on one side of the second material net positioned on the pasting printing surface; and forming at least one printing pattern on the polymer material layer by a laser process, wherein the at least one printing pattern is arranged in the at least one pattern area.
In addition, in the step of removing the protective layer on the at least one pattern region, the method further comprises the following steps: in the at least one pattern region, the plurality of warp threads are removed by an etching process, and the plurality of weft threads are removed in the form of at least one weft thread per space.
Furthermore, the step of removing the passivation layer on the at least one pattern region further comprises the steps of: in the at least one pattern region, the plurality of weft threads are removed by an etching process, and the plurality of warp threads are removed in the form of at least one warp thread per interval.
Preferably, the thickness of the metal film layer is 2-8 μm.
Preferably, the area of the at least one graphic region is set to be 2-10 times of the area of the at least one printed pattern.
The beneficial effects of the invention are:
as can be seen from the above, the present invention provides a printing screen comprising a metal film layer, wherein the metal film layer covers the entire warp and the entire weft in a specific area of the printing screen, and also covers the intersection of the warp and the weft. In this way, the warp and weft can be fixed to each other by the metal film layer, and when the yarns are to be removed from the printing screen, the rest yarns are fixed by the metal film layer, and the yarns will not be deviated after being removed and broken.
Drawings
The various aspects of the present invention and the particular features and advantages thereof will become more readily apparent to those having ordinary skill in the art upon reading the following detailed description and upon viewing the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a coated printing screen according to an embodiment of the present invention.
Fig. 2 showsbase:Sub>A schematic structure of the sectionbase:Sub>A-base:Sub>A in fig. 1.
FIG. 3A is a schematic view of a second material web according to another embodiment of the present invention.
FIG. 3B is a schematic view of a second web material according to another embodiment of the present invention.
FIG. 4A is a schematic view of a second web material according to yet another embodiment of the present invention.
FIG. 4B is a schematic view of a second material web according to yet another embodiment of the present invention.
Fig. 5 is a flowchart illustrating a method for manufacturing a coated printing screen according to an embodiment of the present invention.
Description of the reference numerals:
1-coating a film printing screen; 10-a screen frame; 20-a composite web; 201-a first material web; 203-a second material net; 205-composite edge; 207-metal film layer; 209-a polymer material layer; 211-printing a pattern; 2031. 20311, 20312, 20313-warp; 2033. 20331, 20332, 20333-wefts; 2035-a graphics area; s10, scraping a knife face; s20, pasting a printing surface; s100 to S114.
Detailed Description
(embodiment 1)
The embodiments of the present invention will be described in more detail with reference to the drawings and reference numerals so that those skilled in the art can practice the embodiments after studying the specification.
Fig. 1 is a schematic view for illustrating a structure of a coated printing screen according to an embodiment of the present invention; fig. 2 isbase:Sub>A schematic view illustratingbase:Sub>A cross-sectional structurebase:Sub>A-base:Sub>A of fig. 1. Referring to fig. 1 and 2, in an embodiment of the present invention, a coated printing screen 1 includes a frame 10 and a composite screen 20. To be further described, the composite web 20 includes a scraping surface S10 and a printing surface S20, and the composite web 20 further includes a first material web 201, a second material web 203, a metal film 207 and a polymer material layer 209.
The first material net 201 is fixed on the net frame 10, the second material net 203 comprises a plurality of warps 2031 and wefts 2033, the second material net 203 is combined on the first material net 201, a composite edge 205 is formed at the combination part of the first material net 201 and the second material net 203, and the second material net 203 comprises at least one pattern area 2035.
The metal film 207 is formed on the warp 2031 and the weft 2033 outside the pattern area 2035 on the second material web 203, which are shown as thickening the warp 2031 and the weft 2033, so that the warp 2031 and the weft 2033 are covered and fixed by the metal film 207. In addition, in an embodiment of the invention, the thickness of the metal film 207 may be 2-8 μm.
The polymer material layer 209 is disposed on the second material web 203 including the metal film layer 207 on one side of the printing surface S20, and the polymer material layer 209 includes at least one printing pattern 211 thereon, and the printing pattern 211 is disposed in the graphic area 2035. In addition, in this embodiment, the warp threads 2031 and the weft threads 2033 are in a straight net, and the graphic area 2035 and/or the printed pattern 211 can be disposed in the area of two adjacent warp threads 2031. Further, the area of the graphic area 2035 may be 2 to 10 times the area of the printed pattern 211 for best printing.
As can be seen from the cross-sectional structure of fig. 2, no matter the doctor surface S10 or the printing surface S20, the metal film 207 covers the entire warp 2031 and the entire weft 2033, and also covers the crossing points of the warp 2031 and the weft 2033, so that the warp and weft are fixed to each other by the metal film 207, and when the yarns are to be removed from the graphic area 2035, the remaining yarns outside the graphic area 2035 do not start to shift because the yarns are removed and broken.
(embodiment 2)
Fig. 3A is a schematic view for illustrating a structure of a second material web according to another embodiment of the invention, it should be understood that, for convenience of illustration, only a portion of the second material web 203 is shown in fig. 3A. Referring to fig. 3A, in another embodiment of the present invention, the weft 2033 in the pattern area 2035 can be further removed. Specifically, in the second material web 203, the warp threads 2031 and the weft threads 2033 covered by the metal film layer 207 are arranged in a staggered manner, while the pattern area 2035 does not include the warp threads 2031, and the weft threads 2033 are arranged at least one weft thread 2033 by one in the pattern area 2035, that is, the weft thread 2033 is removed at least one weft thread 2033 by one in the pattern area 2035. For example, weft 20331, weft 20332, and weft 20333 are removed in pattern area 2035 by twitching, and weft 20331 is separated from weft 20332 by weft 2033, and weft 20332 is separated from weft 20333 by weft 2033. This has the advantage that the number of the weft 2033 in the printed pattern 211 can be further reduced to increase the ink penetration of the printed pattern 211, and the warp 2031 and the weft 2033 are covered and fixed by the metal film 207, so that the removal of part of the weft 2033 does not affect the stability of the second material mesh 203, which is a technical effect that the prior art cannot achieve. It should be understood that in other embodiments of the invention, the weft threads 2033 may be removed as many as two or more weft threads 2033 per every other interval.
(embodiment 3)
Fig. 3B is a schematic view for illustrating a structure of a second material web according to another embodiment of the invention, it should be understood that, for convenience of illustration, only a portion of the second material web 203 is shown in fig. 3B. Referring to FIG. 3B, in another embodiment of the present invention, the warp line 2031 in the graphic area 2035 can be further removed. Specifically, in the second material web 203, the warp threads 2031 and the weft threads 2033 covered by the metal film layer 207 are arranged in a staggered manner, while the weft threads 2033 are not included in the pattern area 2035, and the warp threads 2031 are arranged in the pattern area 2035 at least one warp thread 2031 per interval, that is, the warp threads 2031 are removed in the pattern area 2035 at least one warp thread 2031 per interval. For example, the warp threads 20311, 20312 and 20313 are twitched out in the pattern area 2035, and the warp threads 20311 and 20312 are separated by one warp thread 2031, and the warp threads 20312 and 20313 are separated by one warp thread 2031. This has the advantage that the number of the warp threads 2031 in the printed pattern 211 can be further reduced to increase the ink penetration of the printed pattern 211, and the metal film layer 207 covers and fixes the warp threads 2031 and the weft threads 2033, so that the removal of part of the warp threads 2031 does not affect the stability of the second material mesh 203, which is a technical effect that the prior art cannot achieve. . It should be appreciated that in other embodiments of the invention, the warp lines 2031 may be removed by two or more warp lines 2031 per interval.
(embodiment 4)
FIG. 4A is a schematic view illustrating a second material web according to another embodiment of the present invention. Referring to fig. 4A, in another embodiment of the present invention, the weft 2033 is in a slant net state, and in the slant net state, similarly, whether it is a doctor side or a paste side, the metal film 207 covers the entire warp 2031 and the entire weft 2033, and also covers the crossing nodes of the warp 2031 and the weft 2033, so that the warp and weft are fixed to each other by the metal film 207, and when the weft is to be removed in the graphic area 2035, the remaining weft outside the graphic area 2035 will not start to shift because the weft is removed and broken. For example, the warp threads 2031 in the pattern area 2035 may be removed (not shown), and at this time, the warp threads 2031 and the weft threads 2033 outside the pattern area 2035 will not start to shift because the warp threads 2031 in the pattern area 2035 are removed and broken.
(embodiment 5)
FIG. 4B is a schematic view of a second material web according to another embodiment of the present invention. Referring to fig. 4B, in another embodiment of the present invention, the weft 2033 is also in a diagonal mesh state, and the weft 2033 in the pattern area 2035 is further removed. Specifically, in the second material web 203, the warp threads 2031 and the weft threads 2033 covered by the metal film layer 207 are arranged in a staggered manner, while the pattern area 2035 does not include the warp threads 2031, and the weft threads 2033 are arranged at intervals of at least one weft thread 2033 in the pattern area 2035, that is, the weft thread 2033 is removed at intervals of at least one weft thread 2033 in the pattern area 2035. For example, weft 20331, weft 20332, and weft 20333 are removed in pattern area 2035 by twitching, and weft 20331 is separated from weft 20332 by weft 2033, and weft 20332 is separated from weft 20333 by weft 2033. This has the advantage that the number of the weft 2033 in the printed pattern 211 can be further reduced to increase the ink penetration of the printed pattern 211, and the warp 2031 and the weft 2033 are covered and fixed by the metal film 207, so that the removal of part of the weft 2033 does not affect the stability of the second material mesh 203, which is a technical effect that the prior art cannot achieve. It should be appreciated that in other embodiments of the invention, the weft threads 2033 may be removed in an amount of two or more weft threads 2033 per interval.
(embodiment 6)
Fig. 5 is a flowchart for describing a method of manufacturing a coated printing screen according to an embodiment of the present invention. Referring to fig. 1, fig. 2 and fig. 5, in an embodiment of the present invention, a method for manufacturing a coated printing screen includes steps S100 to S114, where the step S100 is: stretching a composite net 20 to a preset tension by a preset tension, wherein the composite net 20 comprises a first material net 201 and a second material net 203; step S102 is: setting at least one pattern area 2035 on the second material web 203, wherein the second material web 203 comprises a plurality of warps 2031 and a plurality of wefts 2033; step S104 is: coating and forming a protective layer (not shown) on the at least one pattern area 2035; step S106 is: plating a metal film layer 207 on the warp 2031 and the weft 2033 outside the at least one pattern area 2035 of the second material mesh 203 by an electroplating process; step S108 is: removing the protective layer over at least one of the patterned areas 2035; step S110 is: fixing the composite net 20 to a net frame 10, wherein the composite net 20 comprises a scraper surface S10 and a printing surface S20; step S112 is: forming a polymer material layer 209 on one side of the second material web 203 on the printing surface S20; and step S114 is: at least one printed pattern 211 is formed on the polymer material layer 209 by a laser process, wherein the at least one printed pattern 211 is disposed in the at least one pattern area 2035.
In an embodiment of the invention, the thickness of the metal film 207 may be set to be 2-8 μm, and the area of the at least one pattern area 2035 is set to be 2-10 times the area of the at least one printed pattern 211.
(7 th embodiment)
Furthermore, referring to fig. 3A, in another embodiment of the present invention, in the step S108 of removing the passivation layer on at least one of the graphic areas 2035, the method may further comprise the following steps: in at least one pattern area 2035, the warp threads 2031 are removed by an etching process and the weft threads 2033 are removed at least one weft thread 2033 per space. The etching process may be a laser etching process, a chemical etching process or other etching processes.
(8 th embodiment)
Furthermore, referring to fig. 3B, in another embodiment of the present invention, in the step S108 of removing the passivation layer on at least one of the graphic areas 2035, the method may further include the following steps: in the at least one pattern area 2035, the weft 2033 is removed by an etching process, and the warp 2031 is removed at least one warp 2031 every other.
According to the invention, the whole warp and the whole weft in a specific area on the printing screen can be covered by the metal film layer, and simultaneously, the cross joints of the warp and the weft can be covered. In this way, the warp and weft threads can be fixed to each other through the metal film layer, and when the yarns are to be removed from the printing screen, the rest yarns are fixed by the metal film layer, so that the yarns cannot start to deviate after being removed and broken.
While the foregoing is directed to the preferred embodiment of the present invention, it will be appreciated by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A coated printing screen, comprising:
a screen frame; and
a composite web, including a doctor face and a seal face, just composite web still includes:
the first material net is fixed on the net frame;
the second material net comprises a plurality of warps and a plurality of wefts, the second material net is combined with the first material net, a composite edge is formed at the combination part of the first material net and the second material net, and the second material net comprises at least one pattern area;
a metal film layer formed on the plurality of warps and the plurality of wefts outside the at least one pattern area on the second material net, wherein the plurality of warps and the plurality of wefts are fixedly coated by the metal film layer; and
the high polymer material layer is arranged on one side of the metal film layer, the second material net is positioned on the printing surface, the high polymer material layer comprises at least one printing pattern, and the at least one printing pattern is arranged in the at least one pattern area.
2. The coated printing screen of claim 1, wherein in the second material mesh, the plurality of warp threads and the plurality of weft threads covered with the metal film layer are arranged in a staggered manner with respect to each other, while the plurality of warp threads are not included in the at least one pattern region, and the plurality of weft threads are arranged in a manner of at least one weft thread per interval.
3. The coated printing screen of claim 1, wherein the plurality of warp threads and the plurality of weft threads covered with the metal film layer are arranged in a staggered manner with respect to each other in the second material mesh, and the plurality of weft threads are not included in the at least one pattern area, and the plurality of warp threads are arranged at intervals of at least one warp thread.
4. The coated printing screen of claim 1, wherein the thickness of the metal film layer is 2-8 μm.
5. The coated printing screen of claim 1, wherein the area of the at least one pattern area is 2-10 times the area of the at least one printed pattern.
6. The manufacturing method of the coated printing screen is characterized by comprising the following steps of:
stretching a composite net to a preset tension by a preset tension, wherein the composite net comprises a first material net and a second material net;
setting at least one graphic area on the second material net, wherein the second material net comprises a plurality of warps and a plurality of wefts;
coating and forming a protective layer on the at least one pattern area;
plating a metal film layer on the plurality of warps and the plurality of wefts outside the at least one pattern area of the second material net by an electroplating process;
removing the protective layer on the at least one graphic area;
fixing the composite net on a net frame, wherein the composite net comprises a scraping surface and a printing surface;
forming a high polymer material layer on one side of the second material net positioned on the printing surface; and
forming at least one printing pattern on the polymer material layer by a laser process, wherein the at least one printing pattern is arranged in the at least one pattern area.
7. The method of claim 6, wherein the step of removing the protective layer on the at least one pattern area further comprises the steps of: in the at least one pattern region, the plurality of warp threads are removed by an etching process, and the plurality of weft threads are removed in the form of at least one weft thread per space.
8. The method of claim 6, wherein the step of removing the protective layer on the at least one pattern area further comprises the steps of: in the at least one pattern region, the plurality of weft threads are removed by an etching process, and the plurality of warp threads are removed in the form of at least one warp thread per interval.
9. The method for manufacturing a coated printing screen according to claim 6, wherein the thickness of the metal film layer is 2 to 8 μm.
10. The method of claim 6, wherein the area of the at least one pattern area is 2-10 times the area of the at least one printed pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890700.2A CN115923320A (en) | 2021-08-04 | 2021-08-04 | Coated printing screen and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890700.2A CN115923320A (en) | 2021-08-04 | 2021-08-04 | Coated printing screen and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115923320A true CN115923320A (en) | 2023-04-07 |
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ID=86549291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110890700.2A Pending CN115923320A (en) | 2021-08-04 | 2021-08-04 | Coated printing screen and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115923320A (en) |
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2021
- 2021-08-04 CN CN202110890700.2A patent/CN115923320A/en active Pending
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