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A new automatic die-cutting process of prism film regular spot damage sheet

A technology of prism film and spot damage, which is applied in the field of automatic die-cutting technology of new prism film regular spot damage sheet, can solve the problems of waste of raw materials, increase of enterprise cost, and many manufacturing processes, and achieve the effect of improving the company's interests and the use of raw materials

Active Publication Date: 2017-08-29
DONGGUAN GUANGZHI PHOTOELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the manufacturing process of prism film raw materials, there are many processes, which will inevitably cause white spots, scratches, concave and convex spots, etc. raw material waste

Method used

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  • A new automatic die-cutting process of prism film regular spot damage sheet
  • A new automatic die-cutting process of prism film regular spot damage sheet
  • A new automatic die-cutting process of prism film regular spot damage sheet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Find a roll of prism film with spots, use IQC to find ten spots lines on the prism film and draw them, and use a film ruler or digital display vernier caliper to accurately measure the distance between the two spots lines. In this embodiment, The measuring distance between two damaged lines is 516mm;

[0024] When operating on the machine, the operator measures and confirms the distance of the spot damage again, and calculates how many products can be cut in the two spot wounds according to the jump distance of the product, and how many mm the pulling distance should be, and then cut a few products into a small piece;

[0025] Divide the distance between two points of damage by the jump distance of the product to obtain the number of jump distances and small pieces of spot damage, that is, divide 516mm by the jump distance of the product 110mm, and the result is 4.69, where the jump distance of the product is the length of the product itself, and the jump distance of the...

Embodiment 2

[0030] Find a roll of prism film with spots, use IQC to find ten spots lines on the prism film and draw them, and use a film ruler or digital display vernier caliper to accurately measure the distance between the two spots lines. In this embodiment, The measuring distance between two damaged lines is 518mm;

[0031] When operating on the machine, the operator measures and confirms the distance of the spot damage again, and calculates how many products can be cut in the two spot wounds according to the jump distance of the product, and how many mm the pulling distance should be, and then cut a few products into a small piece;

[0032] Divide the distance between two points of damage by the jump distance of the product to obtain the number of jump distances and small pieces of spot damage, that is, divide 518mm by the product jump distance of 150mm, and the result is 3.45 pieces. Among them, the product jump distance is the length of the product itself, and the product jump dista...

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Abstract

The invention discloses a novel automatic die cutting technique for sheets, with regulation point defects, of a prism film. The novel automatic die cutting technique for the sheets, with the regulation point defects, of the prism film comprises the steps that a roll of prism film with point defects is prepared, ten point defect lines are found and drawn on the prism film through IQC, and the distance between every two point defect lines is accurately measured through a film ruler or a digital-display vernier caliper; during machine operation, an operator measures and confirm the point defect distance again, and after the number of products which can be cut between every two adjacent point defects and the pulling distance (mm) are worked out according to the skip distance of the products, several products are cut into small pieces; and after parameters are set, a sheet switch is selected, mass production is officially started, the prism film is cut through a cutting machine, the number of products obtained through cutting depends on the distance between every two adjacent point defects, the cut prism film comprises qualified products and small pieces with point defects, the point defect lines are removed through cutting along with the small pieces with the point defects, and then the qualified products are obtained. According to the novel automatic die cutting technique for the sheets, with the regulation point defects, of the prism film, an accurate skip-point technique is adopted, and unqualified products with the point defect lines are skipped over effectively by setting a die cutting machine, so that the utilization rate of raw materials is effectively increased, and the benefits of a company are greatly increased.

Description

technical field [0001] The invention relates to the field of die-cutting processing of prism films, in particular to a novel automatic die-cutting process for regularly spot-damaged sheets of prism films. Background technique [0002] With the continuous development of liquid crystal display technology, the application fields of liquid crystal displays, especially color liquid crystal displays, are also constantly expanding. Prism film is the most widely used brightness enhancement product today. (Also known as enhancement film) It is suitable for liquid crystal display modules of various sizes ranging from mobile phone display screens to liquid crystal displays. Prism film is used in almost all LCD backlights. Prism film is a layer of transparent plastic film with a thickness between 50 and 300 microns. The upper surface of the film is evenly and neatly covered with a layer of prism structure, as shown in the figure. The prism film is placed between the diffuser of the b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26D7/28B26F1/38
CPCB26D7/28B26F1/38
Inventor 张贤文武修文
Owner DONGGUAN GUANGZHI PHOTOELECTRIC CO LTD