TWM483872U - Printing screen structure with enhanced tension - Google Patents

Description

Printed screen structure with increased tension

This creation relates to a printed screen structure, in particular to a printed screen structure that increases the tension of the screen and reduces the probability of breakage of the web.

Mesh structure is an important tool for screen printing. It can also be said to be an important basis for screen printing. It is mainly made of Tedron fiber, nylon fiber or metal mesh cloth, which is cross-woven in the warp and weft directions. A certain tension is opened and fixed on a frame. In addition to forming the pattern, the function of the mesh can also control the amount of ink that is transmitted during screen printing; therefore, the mesh has a very large influence on the precision of printing, the thickness of the ink, and the amount of ink permeation.

The printing principle of screen printing is to use the chemical reaction of the emulsion to the ultraviolet light and the opening formed by the warp and weft of the screen to perform photosensitive plate making, so that the non-printed portion is photohardened to block the mesh, and In the printed part, the emulsion is dissolved and hollowed out when it is not chemically reacted. When screen printing is performed, the operator can apply pressure by the doctor blade to scrape the ink, so that the ink is printed on the printed matter through the hollow mesh to achieve the printing purpose.

With the industry's demand for print quality, the wire diameter requirements for the screen line width have also shrunk. In order to make the screen diameter small and at the same time transparent, the pattern opening of the ink-permeable area on the screen must have a certain size. Under such conditions, whether it is a wire mesh, a Tedron mesh, an electroformed plate, a laser plate or a mesh of a composite mesh, it will face a shortage of tension in the screen. The situation of a broken net occurred. In addition, since the screen needs to be left to the printing machine table during printing, the screen size will be larger than the actual printing area, and thus affect the screen tension.

For the above reasons, the purpose of the present invention is to provide a printed screen structure that enhances the tension of the screen structure by providing a reinforcing layer on the screen to reduce the occurrence of web breakage.

To achieve the foregoing objectives, the present invention provides a printed screen structure having increased tension, having a composite mesh comprising a chemical fiber web and a metal mesh. The chemical fiber web has an opening, and the metal mesh is fixed to the opening of the chemical fiber web through an adhesive. In addition, one part of the metal mesh is an ink-permeable area, and the ink-transmissive area is provided with a plurality of patterns. Opening. The printing screen structure is characterized in that: the portion other than the ink-permeable area of the metal mesh is a reinforcing region, and the composite mesh further comprises a reinforcing layer, wherein the reinforcing layer is combined with all parts of the chemical fiber mesh and the reinforcing region of the metal mesh. .

According to an embodiment of the present invention, the reinforcing layer in the chemical fiber web and the metal mesh reinforcing region is composed of an adhesive.

According to an embodiment of the present invention, the reinforcing layer in the chemical fiber web is composed of an adhesive, and the reinforcing layer in the metal mesh is composed of the material of the metal mesh itself.

According to an embodiment of the present invention, the material of the adhesive may be glued or resin, and the adhesive is bonded to the reinforcing area of the metal mesh or the chemical fiber web by pressing or coating.

According to an embodiment of the present creation, the composite mesh further includes a plurality of anchor points. The positioning points can be set in the reinforcing area on the metal mesh, or can be set in the chemical fiber. Online.

10‧‧‧ net frame

20‧‧‧Chemical fiber network

201‧‧‧ openings

30‧‧‧Metal net

301‧‧‧Ink Area

302‧‧‧Reinforcing area

40‧‧‧Adhesive

50‧‧‧ reinforcing layer

60‧‧‧Location points

The first figure is an exploded perspective view showing the structure of the printing screen of the first embodiment of the present creation; the second drawing is a top view showing the structure of the printing screen according to the first embodiment of the present creation; A cross-sectional view of a printed screen structure of an embodiment; and a fourth view is a plan view showing a structure of a printing screen according to a second embodiment of the present creation.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

The first figure is an exploded perspective view showing the structure of the printing screen according to the first embodiment of the present creation, the second drawing is a plan view showing the structure of the printing screen according to the first embodiment, and the third drawing is showing the A cross-sectional view of a printed screen structure of an embodiment. As shown in the first to third figures, the present invention provides a printed screen structure having a composite mesh comprising a chemical web 20 and a metal mesh 30. The chemical fiber web 20 may be made of a material such as a Tedron, and its periphery is fixed to a frame 10 and has an opening 201 at the center thereof. The metal mesh 30 having a size corresponding to the size of the opening 201 is fixed to the opening 201 of the chemical fiber web 20 through an adhesive 40. One portion of the metal mesh 30 is an ink-permeable region 301, and the ink-permeable region 301 is opened. There are a plurality of pattern openings through which ink is smeared onto the substrate through printing to form a printed pattern.

With the improvement of the printing quality requirements in the industry, the demand for the wire width and the wire diameter of the mesh is becoming smaller and smaller, and in order to maintain the size of the opening, the conventional screen structure may have insufficient tension. Therefore, according to the present invention, the printing screen structure is a portion other than the ink permeable region 301 of the metal mesh 30, that is, the portion of the metal mesh 30 that does not need to be ink-transmissed is defined as a reinforcing region 302, and is passed through a reinforcing layer 50 and the chemical fiber web 20 All of the portions, as well as the reinforcing regions 302 of the metal mesh 30, combine to reduce the proportion of the overall ink permeable region of the printed screen structure, thereby enhancing the tension of the printed screen structure.

In the present creation, the material of the reinforcing layer 50 may vary depending on the material of the metal mesh 30. When the metal mesh is a metal mesh composed of a general metal material, the reinforcing layer 50 may be composed of an adhesive. The material of the adhesive may be glued or resin, and bonded to the reinforcing zone 301 of the metal mesh 30 and the chemical fiber web 20 by pressing or coating.

In addition, when the metal mesh 30 is composed of a mesh such as an electroformed mesh or a laser steel plate, only the portion of the ink-permeable region 301 of the metal mesh 30 is required to be opened, and the reinforcing region 302 other than the ink-permeable region 301 is not required. The opening is made, in other words, the reinforcing layer 50 of the reinforcing portion 302 is composed of an electroformed wire and a metal material of the laser plate itself. On the other hand, in the portion of the chemical fiber web 20, the adhesive layer is bonded to the chemical fiber web 20 by means of an adhesive such as a glue or a resin to form the reinforcing layer 50.

In the printing screen structure according to the present creation, a plurality of positioning points 60 may be disposed on the composite mesh to improve the precision during printing. In the first embodiment of the present creation, as shown in the first and second figures, four positioning points 60 are disposed in the reinforcing region 302 of the metal mesh 30. In this way, the proportion of the ink permeable area 301 can be reduced, and the overall tension of the printing screen structure can be improved. In addition, in a second embodiment of the present creation, four positioning points 60 may also be disposed on the chemical web 20 as shown in the fourth figure.

According to the printing screen structure of the present invention, a reinforcing layer is added in the non-permeable area of the chemical fiber net and the metal mesh to increase the overall tension of the screen structure, thereby increasing the durability of the screen and reducing the online diameter of the screen. And it is still necessary to maintain the size of the opening under the condition of cracking.

It can be seen from the above embodiments that the printed screen structure provided by the present invention has industrial use value, but the above description is only a description of the preferred embodiment of the present invention, and those skilled in the art can according to the above description. And for all other improvements, these changes are still within the spirit of this creation and the scope of patents defined below.

10‧‧‧ net frame

20‧‧‧Chemical fiber network

30‧‧‧Metal net

301‧‧‧Ink Area

302‧‧‧Reinforcing area

40‧‧‧Adhesive

50‧‧‧ reinforcing layer

60‧‧‧Location points

Claims (6)

A printing screen structure with increased tension, comprising a composite mesh comprising a chemical fiber mesh and a metal mesh, the chemical fiber mesh being fixed on a frame and having an opening, the metal mesh being connected through an adhesive At the opening of the chemical fiber web, and a portion of the metal mesh is an ink-permeable region, the ink-transmissive region is provided with a plurality of pattern openings, wherein the printed screen structure is characterized in that the metal mesh is transparent The portion outside the ink zone is a reinforcing zone, and the composite mesh further includes a reinforcing layer bonded to all portions of the chemical fiber web and the structure of the reinforcing zone of the metal mesh. The printing screen structure according to claim 1, wherein the chemical fiber web and the reinforcing layer in the metal mesh reinforcing region are composed of an adhesive. The printing screen structure according to claim 1, wherein the reinforcing layer in the chemical fiber web is composed of an adhesive, and the reinforcing layer in the metal mesh is made of the metal mesh itself. Composition. The printing screen structure according to the second or third aspect of the invention, wherein the adhesive is made of a glue or a resin, and the adhesive is bonded to the metal by pressing or coating. The reinforcing zone of the net or the chemical fiber web. The printing screen structure according to claim 1, wherein the composite mesh further comprises a plurality of positioning points, the positioning points being disposed in the reinforcing area on the metal mesh. According to the printed screen structure of claim 1, wherein the The composite mesh further includes a plurality of positioning points, and the positioning points are disposed on the chemical fiber web.