Processing method of integrally formed protective film

A processing method and protective film technology, applied in chemical instruments and methods, lamination devices, lamination auxiliary operations, etc., can solve the problems of knife marks left on the backing paper, low work efficiency, waste of manpower and material resources, etc., to ensure quality , the effect of improving work efficiency

Active Publication Date: 2018-08-14
重庆安洁电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned processing method has the following problems: 1. This method requires two forming processes, and the stamping film needs to be manually transported to the cutting machine for cutting, which wastes manpower and material resources, and the work efficiency is low; 2. Firstly, the base paper and Press the double-sided tape together, and then cut the double-sided tape, which will easily leave knife marks on the backing paper and affect the quality of the formed product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A processing method for an integrally formed protective film, comprising the following steps:

[0022] The first step, feeding: feed the double-sided adhesive with release paper by rolling, with the adhesive side of the double-sided adhesive facing upward; at the same time, place the release film on the double-sided adhesive and the transparent The glue is fed, and the double-sided adhesive is pressed together with the release film and the transparent glue to form a pressed film;

[0023] The second step, roll cutting: when the pressed film is conveyed, the release film is cut into a rectangle by rolling cutting to form a plurality of rectangular release films. The roll cutting depth of three sides is 6mm, and the other side The rolling cutting depth is 2mm. Cut the three sides of the double-sided tape and correspond to the rectangular side of the release film. Pull it off, and the remaining rectangular release film, double-sided adhesive tape and transparent adhesive ...

Embodiment 2

[0027] Embodiment 2, with the difference of Example 1, in the second step, the release film is cut into a rectangle to form a plurality of rectangular release films, wherein the rolling cutting depth of three sides is 7mm, and the rolling cutting depth of the other side is 7mm. The cutting depth is 3mm. In the third step, roll cutting is adopted, and the part corresponding to the release paper and the other side of the double-sided adhesive tape in the second step is rolled and cut, and the rolling cutting depth is 10mm.

Embodiment 3

[0028] Embodiment 3, with the difference of Example 1, in the second step, the release film is cut into a rectangle to form a plurality of rectangular release films, wherein the rolling cutting depth of three sides is 8mm, and the rolling cutting depth of the other side is 8mm. The cutting depth is 4mm. In the third step, roll cutting is adopted, and the part corresponding to the release paper and the other side of the double-sided tape in the second step is rolled and cut, and the rolling cutting depth is 12mm.

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PUM

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Abstract

The invention relates to the technical field of protective films and in particular relates to a machining method of an integrally-molded protective film. The machining method comprises the following steps: step 1, feeding; step 2, hobbing; step 3, charging; step 4, drawing; step 5, molding. According to the machining method provided by the invention, a double-faced adhesive is cut and bottom paper and the double-faced adhesive are laminated, so that tool marks are not left on the bottom paper and the quality of a molded product is ensured.

Description

technical field [0001] The invention relates to the technical field of protective films, in particular to a processing method for integrally formed protective films. Background technique [0002] With the development of society, new high-end electronic products have been launched one after another, such as computers, tablets, etc., and the requirements for protection and stability of internal devices are getting higher and higher. For this reason, when electronic products leave the factory, workers will paste a layer of protective film on the display screen of electronic products and the USB interface on the side to prevent dust from the outside and keep the appearance of electronic products beautiful. At the same time, there is also a protective film, double-sided tape, which can be used to paste and fix components in electronic equipment such as computers. [0003] The protective film is mainly composed of backing paper and double-sided adhesive tape, wherein the side of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B38/00B32B37/10B32B37/26B32B38/18
CPCB32B37/10B32B37/1054B32B37/26B32B38/0004B32B38/185B32B2037/268B32B2405/00
Inventor 谈克平
Owner 重庆安洁电子有限公司
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