CN105717562A - Novel bright enhancement film regular point wound coil die cutting process manufacturing and method - Google Patents

Abstract

The invention discloses a manufacturing method of a novel bright enhancement film regular point damage coil material die cutting process, which comprises the following steps of taking a coil of bright enhancement film which is completely point damage, and placing the coil on a die cutting machine; finding out the point injury positions on the brightness enhancement film, and drawing ten lines at the ten point injury positions respectively by using a painting brush; measuring the distance between the two point wounds by using a film ruler or a digital display vernier caliper, and marking the distance on the brightening film material by using a painting brush, wherein the distance between the two point wounds is the distance between the point wounds: then, confirming the jump distance of the product, and drawing an origin line with the length being half of the length of the saw at two sides of the point wound position; drawing a die holder original point line on the die holder, aligning the die holder original point line with the original point line position on the material, and performing jump zero clearing on the die cutting machine to start stamping; the material is fed and die-cut by an automatic feeding system on the die-cutting machine. According to the invention, the point injury brightness enhancement film is utilized, the scrapped brightness enhancement film is recycled by the die cutting machine through point injury measurement and calculation, the point injury position is effectively avoided, the purpose of waste utilization is achieved, the loss of raw materials is reduced, and the benefit is improved.

Description

Manufacture and method of a new type of regular point damage roll material die-cutting process for brightness enhancement film

technical field

The invention relates to the field of die-cutting processing, in particular to a manufacturing method and a die-cutting process of a novel glossy film with regular spot damage roll material.

Background technique

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 backlight and the liquid crystal panel. Its function is to improve the angular distribution of light. It can converge the light emitted from the diffuser to the axial angle, that is In the front viewing angle, the axial brightness is improved without increasing the total output luminous flux.

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 wastage.

Contents of the invention

The technical problem to be solved by the present invention is to provide a new type of method that uses a die-cutting machine to realize the reuse of the discarded glossy film by measuring and calculating the point damage, effectively avoids the point damage position, achieves the purpose of waste utilization, reduces the loss of raw materials, and improves the efficiency. Manufacture and method of regularly spot-damaged roll material die-cutting process for gloss enhancement film.

The present invention is realized through the following technical solutions: a new type of light-increasing film regular spot damage roll material die-cutting process and method, the specific method is as follows:

(1) Take a roll of glossy film full of spots and place it on the die-cutting machine;

(2) Find out the spot damage positions on the enhancement film, and draw ten lines at ten spot damage positions with a paintbrush;

(3) Use a film ruler or digital display vernier caliper to measure the distance between the two spots, and use a brush to mark on the material of the enhancement film. The distance between the two spots is the spot distance:

(4) Then confirm the jumping distance of the product, the distance between two points of damage divided by the jumping distance of the product is the number of products that can be suppressed between the two points of damage, that is, the number of jumping distances;

(5) The jumping distance of the product is multiplied by the number of jumping distances to obtain the length of the brightness enhancement film required for the corresponding number of jumping distances, and then the two-point damage distance is subtracted from the required length of the brightness enhancement film to obtain the range of motion of the damage point;

(6) The range of motion of the point injury plus the jump distance of the product is the next length of the saw;

(7) After knowing the length of the saw, divide the entire length of the saw by 2, and draw an origin line whose length is half the length of the saw on both sides of the point damage position;

(8) Draw a mold base origin line on the mold base, the module origin line aligns with the origin line position on the material, the die-cutting machine skips and resets, and starts stamping;

(9) A winding machine is placed on one side of the die-cutting machine, and the finished product is rewound by the winding machine, and the material is fed and die-cut by the automatic feeding system on the die-cutting machine;

(10) In the first section of die-cutting, the operator must use a film ruler or a digital display vernier caliper to accurately measure the distance between the point damage and the front product and the rear product, and clearly know what to know during the punching process. How many paragraphs to rush to, and each paragraph should look at the distance between the injury and the front and rear products;

(11) If there is a large difference in the distance of each jump, it proves that the distance between the measurement point and the point is not accurately measured. If the difference between each step is not very large, error compensation is required;

(12) Measure the brightness enhancement film after die-cutting, mainly measure the distance between the point damage position and the front and rear products, if the point damage position is close to the front product, then perform a correction compensation on the die-cutting machine, the correction value is negative, If the spot damage position is close to the following product, a correction compensation is performed on the die-cutting machine, and the correction value is a positive number;

(13) After the parameters are set, the formal mass production will start, and the offset direction of the spot damage can be randomly checked at any time and the repair value can be set accordingly.

The beneficial effects of the present invention are: the present invention utilizes the spot damage enhancement film, and through spot damage calculation, utilizes the die-cutting machine to realize the reutilization of the scrapped brightness enhancement film, effectively avoids the point damage position, achieves the purpose of waste utilization, and reduces the loss of raw materials. Improve efficiency.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural diagram of the present invention.

detailed description

All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

Example 1

Take a roll of light-increasing film full of spots and place it on a die-cutting machine; find out the spots on the film, and use a brush to draw ten lines at ten spots; use a film ruler or a digital display caliper to measure two Mark the distance between the spot damages and mark them on the enhancement film material with a paintbrush. For example, the distance between two spot damage positions is 518mm, then 518mm is the spot damage distance: then confirm the jump distance of the product. In this embodiment, The jump distance is 56mm, the jump distance is the length of the product itself, the distance between two points of damage divided by the jump distance of the product is the number of products that can be suppressed between the two points of damage distance, that is, the number of jump distances, that is, 518 divided by 56 , the result is 9.25, which is rounded to 9, which means that 9 products can be printed between 518mm;

Multiply the jump distance of the product by the number of jump distances to get the length of the brightness enhancement film required for the corresponding number of jump distances, that is, 9 times 56mm equals 504mm, which means that the length of the brightness enhancement film required to make 9 products is 504mm, and then The distance between two points of damage minus the required length of the enhancement film is the range of motion of the point damage, that is, 518mm minus 504mm to get 14mm, 14mm is the range of motion of the point damage; the range of motion of the point damage plus the jump distance of the product is the next see-saw The length, that is, 14mm plus 56mm is equal to 70mm, which is the safe range of the point injury position;

After knowing the length of the saw, divide the entire length of the saw by 2, which is 35mm, and draw an origin line whose length is half the length of the saw on both sides of the point damage position (35mm); draw a mold base origin line on the mold base , the origin line of the module is aligned with the origin line position on the material, the die-cutting machine skips and resets, and stamping begins; a winder is placed on one side of the die-cutting machine, and the die-cut products are wound up through the winder, and the material Die-cutting is fed through the automatic feeding system on the die-cutting machine; in the first section of die-cutting, the operator must use a film ruler or a digital display vernier caliper to accurately measure the distance between the point wound and the front product and the rear product, and clearly In the process of rushing, you must know which section to rush to, and each section must look at the distance between the injury and the front and rear products;

If there is a large difference in the distance of each jump, it proves that the distance between the measurement point and the point is not accurately measured. If the difference between each step is not very large, error compensation is required; measure the brightness enhancement film after die-cutting, Mainly measure the distance between the point damage position and the front and rear products. If the point damage position is close to the front product, a correction compensation is made to the die-cutting machine. The correction value is negative. If the point damage position is close to the rear product, the die-cutting machine Carry out a correction compensation, the correction value is a positive number; after setting the parameters, start the formal mass production, and you can spot-check the offset direction of the spot damage at any time and set the repair value accordingly. The error compensation of the cutting machine, for example, if the distance is 3mm, the correction value is -3mm, otherwise it is +3mm.

Example 2

Take a roll of light-increasing film full of spots and place it on a die-cutting machine; find out the spots on the film, and use a brush to draw ten lines at ten spots; use a film ruler or a digital display caliper to measure two Mark the distance between the spot damages and mark them on the enhancement film material with a paintbrush. For example, the distance between two spot damage positions is 600mm, and 600mm is the spot damage distance: then confirm the jump distance of the product. In this embodiment, jump The distance is taken as 70mm, the jump distance is the length of the product itself, the distance between two points of damage divided by the jump distance of the product is the number of products that can be suppressed between the two points of damage distance, that is, the number of jump distances, that is, 600 divided by 70, The result is 8.57, which is rounded to 8, which means that 8 products can be printed between 600mm;

Multiply the jump distance of the product by the number of jump distances to get the length of the brightness enhancement film required for the corresponding number of jump distances, that is, 8 times 70mm equals 560mm, which means that the length of the brightness enhancement film required to make 8 products is 560mm, and then The distance between two points of damage minus the required length of the enhancement film is the range of motion of the point damage, that is, 600mm minus 560mm to get 40mm, and 40mm is the range of motion of the point damage; the range of motion of the point damage plus the jump distance of the product is the next see-saw The length, that is, 40mm plus 70mm is equal to 110mm, which is the safe range of the point injury position;

After knowing the length of the saw, divide the entire length of the saw by 2, which is 55mm, and draw an origin line whose length is half the length of the saw on both sides of the point damage position (55mm); draw a mold base origin line on the mold base , the origin line of the module is aligned with the origin line position on the material, the die-cutting machine skips and resets, and stamping starts; a winder is placed on one side of the die-cutting machine, and the die-cut products are wound up through the winder, and the material Die-cutting is fed through the automatic feeding system on the die-cutting machine; in the first section of die-cutting, the operator must use a film ruler or a digital display vernier caliper to accurately measure the distance between the point wound and the front product and the rear product, and clearly In the process of rushing, you must know which section to rush to, and each section must look at the distance between the injury and the front and rear products;

If there is a large difference in the distance of each jump, it proves that the distance between the measurement point and the point is not accurately measured. If the difference between each step is not very large, error compensation is required; measure the brightness enhancement film after die-cutting, Mainly measure the distance between the point damage position and the front and rear products. If the point damage position is close to the front product, a correction compensation is made to the die-cutting machine. The correction value is negative. If the point damage position is close to the rear product, the die-cutting machine Carry out a correction compensation, the correction value is a positive number; after setting the parameters, start the formal mass production, and you can spot-check the offset direction of the spot damage at any time and set the repair value accordingly. The error compensation of the cutting machine, for example, if the distance is 5mm, the correction value is -5mm, otherwise it is +5mm.

The beneficial effects of the present invention are: the present invention utilizes the spot damage enhancement film, and through spot damage calculation, utilizes the die-cutting machine to realize the reutilization of the scrapped brightness enhancement film, effectively avoids the point damage position, achieves the purpose of waste utilization, and reduces the loss of raw materials. Improve efficiency.

The above is only a specific implementation of the present invention, but the scope of protection of the present invention is not limited thereto, and any changes or replacements that do not come to mind through creative work shall be covered within the scope of protection of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope defined in the claims.

Claims (1)

1. a novel bright enhancement film regular point hinders coiled strip die-cutting process manufacture and method, it is characterised in that concrete grammar is as follows:

(1), taking a volume is that a bright enhancement film for wound is positioned on die-cutting machine entirely；

(2) find out the point on bright enhancement film and hinder position, and hinder position with paintbrush at ten points and draw ten lines respectively；

(3) measuring the distance between two somes wound with film chi or electronic digital indicator, and be indicated on bright enhancement film material with paintbrush, the distance between 2 somes wounds is to hinder distance:

(4) then confirm the jumping of product from, 2 points hinder distance jumping from being the product quantity can suppressed between two somes wound distances divided by product, namely jump from number；

(5) product is jumped and has just been shown that corresponding jumping is from the bright enhancement film length required for number from being multiplied by jump from number, and then 2 points are hindered distance and deducted the bright enhancement film length of these needs and just obtain and a little hinder range of activity；

(6) hinder range of activity to jump from being next dragsaw length plus product；

(7) after knowing dragsaw length, by whole dragsaw length divided by 2, and respectively draw, putting the both sides hindering position, the initial point line that a length is dragsaw length half；

(8) drawing a die holder initial point line on die holder, the initial point line position on module initial point line alignment material, die-cutting machine leapfrog resets, and starts punching press；

(9) placing a winder in the side of die-cutting machine, the product that cross cutting completes passes through winder rolling, and material is by the automatic feeding system feeding cross cutting on die-cutting machine；

(10) in the first paragraph of cross cutting, operator must measure a wound accurately with film chi or electronic digital indicator and former product distance is how many and latter products distance is how many, and clear and definite know in the process of punching it is to be understood that be flushed to which section, and every section will the distance of watching focus wound and front and back product；

(11), if often jumping a segment distance difference all very greatly, that proves not measure accurately in the distance of measuring point Yu point, if each section of difference is not as big, then needs to carry out error compensation；

Bright enhancement film after cross cutting is measured by (12), main measurement point hinders the distance between position and front and back product, as fruit dot wound is located proximate to former product, then die-cutting machine is carried out a correction-compensation, correction value is negative, described some wound is located proximate to latter products, then die-cutting machine carries out a correction-compensation, and correction value is positive number；

After (13) set parameter, start formal volume production, can spot-check at any time and a little hinder offset direction and relative setting reparation value.