CN215435523U

CN215435523U - Coated printing screen

Info

Publication number: CN215435523U
Application number: CN202121805087.1U
Authority: CN
Inventors: 范文辉; 张育瑄
Original assignee: Brave C&h Supply Co ltd; Brave Precision Mfg Suzhou Co ltd
Current assignee: Brave C&h Supply Co ltd; Brave Precision Mfg Suzhou Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-01-07
Anticipated expiration: 2031-08-04

Abstract

The utility model provides a film-coated 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 polymer material layer is arranged on one side of the second material net comprising the metal film layer, which is positioned on the pasting printing surface, and the polymer material layer comprises at least one printing pattern.

Description

Coated printing screen

Technical Field

The utility model relates to a structure of a printing screen, in particular to a film-coated printing screen.

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.

SUMMERY OF THE UTILITY MODEL

It can be seen from the above-mentioned prior art that the problems of position deviation and inaccurate alignment exist in the process of removing the screen, which results in low yield or increased manufacturing cost. Therefore, a new screen structure is needed to be provided, so that the alignment problem of accurate alignment in the yarn removing process can be solved, the yield can be improved, and the manufacturing cost cannot be increased.

The embodiment of the utility model provides a film-coated printing screen, which 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; 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 coated and fixed 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 with each other, 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.

The utility model has the beneficial effects that: 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 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.

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 is a schematic structural view of a section a-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 web material according to yet another embodiment of the present invention.

Description of 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-weft; 2035-graphics area; s10-scraping surface; s20-pasting the printing face.

Detailed Description

(embodiment 1)

The embodiments of the present invention will be described in more detail with reference to the drawings and the reference numerals, so that those skilled in the art can implement the embodiments after reading the description.

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 is a schematic view illustrating a cross-sectional structure a-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 layer 207 is formed on the warp 2031 and the weft 2033 outside the pattern area 2035 of the second material web 203 in a manner of thickening the warp 2031 and the weft 2033, so that the warp 2031 and the weft 2033 are covered and fixed by the metal layer 207. In addition, in an embodiment of the utility model, the thickness of the metal film 207 may be 2-8 μm.

The polymer material layer 209 is disposed on one side of the second material web 203 including the metal film 207, which is located on 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 pattern area 2035. In addition, in this embodiment, the warp threads 2031 and the weft threads 2033 are in a straight net shape, 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 scraping surface S10 or the pasting 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 thread is to be removed from the graphic area 2035, the rest of the thread outside the graphic area 2035 will not start to shift because the thread is removed and broken.

(embodiment 2)

FIG. 3A is a schematic view illustrating the structure of a second material web according to another embodiment of the present invention, it being understood that only a portion of the second material web 203 is shown in FIG. 3A for convenience of illustration. 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 threads 2033 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 weft threads 2033 does not affect the stability of the mesh cloth 203, which is a technical effect that cannot be achieved by the prior art. It should be appreciated that in other embodiments of the utility model, the weft threads 2033 may be removed at intervals of two or more weft threads 2033.

(embodiment 3)

FIG. 3B is a schematic view for illustrating the structure of a second material web according to yet another embodiment of the present invention, it being understood that only a portion of the second material web 203 is shown in FIG. 3B for convenience of illustration. Referring to FIG. 3B, in another embodiment of the present invention, the meridian 2031 in the graphic area 2035 can be further removed. In detail, 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 weft threads 2033, and the warp threads 2031 are arranged in the pattern area 2035 in a manner of at least one warp thread 2031 at intervals, that is, the warp thread 2031 is removed in the pattern area 2035 in a manner of at least one warp thread 2031 at intervals. 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 a portion of the warp threads 2031 does not affect the stability of the mesh cloth 203, which is a technical effect that cannot be achieved by the prior art. It should be appreciated that in other embodiments of the utility model, the warp lines 2031 may be removed every other number of two or more warp lines 2031.

(embodiment 4)

FIG. 4A is a schematic view of a second web material 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 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 threads 2033 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 weft threads 2033 does not affect the stability of the mesh cloth 203, which is a technical effect that cannot be achieved by the prior art. It should be appreciated that in other embodiments of the utility model, the weft threads 2033 may be removed at intervals of two or more weft threads 2033.

According to the utility model, 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 preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the following claims.

Claims

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 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 warp threads are excluded from the at least one pattern area, and the plurality of weft threads are arranged in a spaced manner with at least one weft thread.

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.