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Composite screen plate based on steel sheet and processing technology thereof

A composite screen and processing technology, which is applied in printing plate preparation, screen printing machines, rotary printing machines, etc., can solve the problems of small bonding area, influence of printing use, and easy falling off of steel sheets, etc., to achieve firm bonding, The effect of increasing the contact area and increasing the bonding strength

Pending Publication Date: 2020-02-18
SHIJIAZHUANG MINGYUAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The steel sheet composite screen is surrounded by a polyester mesh outside the steel sheet, and the polyester mesh is tightly set in the frame. Since the middle part of the steel sheet is the pattern area required for printing, in order to ensure the required flatness of the steel sheet, it can only be Apply glue to the edge of the steel sheet to bond with the polyester mesh, but this will make the bonding area small, the connection between the steel sheet and the polyester mesh is not firm, the steel sheet is easy to fall off during use, and the surface is prone to slight deformation, which is harmful to the subsequent Printing usage makes a difference

Method used

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  • Composite screen plate based on steel sheet and processing technology thereof
  • Composite screen plate based on steel sheet and processing technology thereof
  • Composite screen plate based on steel sheet and processing technology thereof

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Embodiment Construction

[0026] Aiming at the deficiencies of the prior art, the present invention provides a steel sheet-based composite screen and its processing technology, using a steel sheet with mesh holes on the edge, and the bottom-up polyester mesh 2, steel sheet 3 and The structure of the PE film 4 is hot-melt compounded, and the PE film 4 is melted into the through hole of the steel sheet 3 and combined with the polyester mesh 2 below the steel sheet 3, which solves the problem of glue bonding between the edge area of ​​the steel sheet 3 and the polyester mesh 2. This directly leads to the problem that the composite screen is easy to deform and fall off.

[0027] Such as figure 1 As shown, a composite screen based on steel sheet includes steel sheet 3, polyester mesh 2 surrounding steel sheet 3 and steel sheet 3, and polyester mesh 2 surrounding polyester mesh 2. The frame 1, the key is: the steel sheet 3 includes a pattern area 31 in the middle and a connection area 32 around the edge of ...

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Abstract

The invention discloses a composite screen plate based on a steel sheet and a processing technology thereof, and belongs to the technical field of screen plate manufacturing. The composite screen plate comprises the steel sheet, a polyester net wound around the steel sheet and fixedly connected with the steel sheet and a frame wound around the polyester net and fixedly connected with the polyesternet; the steel sheet comprises a middle pattern area and an edge connecting area, wherein the connecting area is provided with a through hole. The processing technology comprises the following stepsthat the polyester net, the steel sheet and a PE film are sequentially laid and then combined in a hot-melting mode, so that an adhesive formed by hot melting of the PE film is poured into the throughhole to be connected with the steel sheet as well as the polyester net and meanwhile covers the upper end face of the connecting area to form an adhesive film. According to the composite screen platebased on the steel sheet and the processing technology thereof, the manner that the PE film passes through the hole of the edge of the steel sheet so as to be combined with the polyester net in a hot-melting mode is adopted without bonding the steel sheet and the polyester net, and meanwhile the steel sheet is fixed and cannot easily fall off, so that flatness of the pattern area is ensured.

Description

technical field [0001] The invention belongs to the technical field of screen production and relates to a composite screen based on steel sheets, in particular to a composite screen based on steel sheets and a processing technology thereof. Background technique [0002] The steel sheet composite screen is surrounded by a polyester mesh outside the steel sheet, and the polyester mesh is tightly set in the frame. Since the middle part of the steel sheet is the pattern area required for printing, in order to ensure the required flatness of the steel sheet, it can only be Apply glue to the edge of the steel sheet to bond with the polyester mesh, but this will make the bonding area small, the connection between the steel sheet and the polyester mesh is not firm, the steel sheet is easy to fall off during use, and the surface is prone to slight deformation, which is harmful to the subsequent Printing usage makes a difference. Contents of the invention [0003] Aiming at the def...

Claims

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Application Information

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IPC IPC(8): B41F15/36B41C1/14
CPCB41F15/36B41C1/14
Inventor 杨虎祥秦召飞
Owner SHIJIAZHUANG MINGYUAN TECH
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