阅读说明：本技术 一种长条胶带模切的省料方法 (Material-saving method for die cutting of strip adhesive tape ) 是由 王春生 金民 李晴云 于 2021-09-18 设计创作，主要内容包括：本发明提供了一种长条胶带模切的省料方法,其提高了双面胶的材料利用率,降低了材料成本。其包括如下步骤：a、将卷料的双面胶按照产品宽度进行跳切、获得双面胶条,跳切的距离为产品的宽度；b、将跳切获得的双面胶条转贴到底膜上；c、将转贴到底膜上的双面胶条模切成型落料。(The invention provides a material-saving method for die cutting of a strip adhesive tape, which improves the material utilization rate of a double-sided adhesive tape and reduces the material cost. Which comprises the following steps: a. skip-cutting the double-sided adhesive tape of the coil stock according to the width of the product to obtain the double-sided adhesive tape, wherein the skip-cutting distance is the width of the product; b. the double-sided adhesive tape obtained by skip cutting is pasted on the basement membrane; c. and die-cutting, molding and blanking the double-sided adhesive tape which is pasted on the bottom film.)

1. A material-saving method for die cutting of a strip adhesive tape is characterized by comprising the following steps:

a. skip-cutting the double-sided adhesive tape of the coil stock according to the width of the product to obtain the double-sided adhesive tape, wherein the skip-cutting distance is the width of the product;

b. the double-sided adhesive tape obtained by skip cutting is pasted on the basement membrane;

c. and die-cutting, molding and blanking the double-sided adhesive tape which is pasted on the bottom film.

2. The material saving method for die cutting of long adhesive tape as claimed in claim 1, wherein the skip distance is the width of the product, so that there is no gap between the double-sided adhesive tapes after the die cutting.

3. A material saving method for die cutting a long tape as claimed in claim 1, wherein: in the step a, skip cutting is half cutting, only the upper layer film and the adhesive layer of the double-sided adhesive tape are cut in the thickness direction, and the lower layer film is still of an integral structure.

4. A material saving method for die cutting a long tape as claimed in claim 1, wherein: and b, removing the upper layer film on the peripheral non-adhesive tape of the double-sided adhesive tape, covering the transfer film on the whole surface area of the double-sided adhesive tape, driving the whole structure to move, removing the lower layer film of the double-sided adhesive tape in the moving process, transferring and pasting the bottom of the double-sided adhesive tape on the bottom film, and removing the upper transfer film.

5. A material saving method for die cutting of a long tape as claimed in claim 4, wherein: the viscosity of the base membrane is greater than the viscosity of the transfer membrane.

6. A material saving method for die cutting a strip of adhesive tape as claimed in claim 5, wherein: the viscosity between the transfer film and the upper film is less than that between the upper film and the adhesive layer, so that the transfer is reliably and effectively carried out.

7. A material saving method for die cutting a long tape as claimed in claim 1, wherein: in the step c, the die-cutting die comprises a half-cutting part and a full-cutting part, wherein the half-cutting part corresponds to the modeling part at one end of the double-sided adhesive tape in the length direction, and the full-cutting part corresponds to the outline area of the long-strip-shaped product.

8. A material saving method for die cutting a long tape as claimed in claim 1, wherein: and (c) the size of the bottom film corresponding to the length of the double-sided adhesive tape in the step (b) is larger than the length of the double-sided adhesive tape, the corresponding surface area of the double-sided adhesive tape is completely covered, and the reliable operation of the step (c) is ensured by the size of the bottom film.

9. A material saving method for die cutting a long tape as claimed in claim 1, wherein: when the width of the double-sided adhesive tape is larger than N times of the length size of a product in the step a, N groups of corresponding double-sided adhesive tapes are arranged along the width direction of the double-sided adhesive tape in jumping and punching, and a corresponding distance is arranged between every two adjacent double-sided adhesive tapes, so that the effective utilization rate of the whole double-sided adhesive tape is ensured.

10. A material saving method for die cutting a long tape as claimed in claim 1, wherein: in the step a, in order to ensure the die cutting in the step c, the jumping distance is the width + L of the product, wherein the value of L is 0.1-0.3 mm, and the die cutting is ensured to be accurately and reliably carried out.

Technical Field

The invention relates to the technical field of die cutting, in particular to a material-saving method for die cutting of a strip adhesive tape.

Background

The rectangular shape product with double faced adhesive tape, see figure 1, it includes that double faced adhesive tape 1 and bottom leave type rete 2, double faced adhesive tape 1 is in length direction one end weak point in from type rete 2, and be provided with the molding structure, it is when carrying out compound operation, the double faced adhesive tape structure that the area has the molding structure is processed out in advance, double faced adhesive structure sets up the width direction interval corresponding to between every rectangular shape product, and simultaneously, with the roll material from type membrane structure of step-by-step die-cut formation corresponding shape of type along length direction, the adjacent interval of leaving between the type membrane structure of width direction, later with the double faced adhesive tape mechanism complex on the type membrane structure of roll material, because the width direction of double faced adhesive tape leaves the interval, the product of die-cut acquisition, the double faced adhesive tape is the waste material at the interval of width direction, and then the material utilization ratio that leads to the double faced adhesive tape is not high, material cost has been increased.

Disclosure of Invention

Aiming at the problems, the invention provides a material-saving method for die cutting of a strip adhesive tape, which improves the material utilization rate of a double-sided adhesive tape and reduces the material cost.

A material-saving method for die cutting of a strip adhesive tape is characterized by comprising the following steps:

a. skip-cutting the double-sided adhesive tape of the coil stock according to the width of the product to obtain the double-sided adhesive tape, wherein the skip-cutting distance is the width of the product;

b. the double-sided adhesive tape obtained by skip cutting is pasted on the basement membrane;

c. and die-cutting, molding and blanking the double-sided adhesive tape which is pasted on the bottom film.

It is further characterized in that:

the skip cutting distance is the width of the product, so that no gap exists between the double-sided adhesive tapes after punching is finished;

in the step a, skip cutting is half cutting, only the upper layer film and the adhesive layer of the double-sided adhesive tape are cut in the thickness direction, and the lower layer film is still of an integral structure;

removing the upper layer film on the peripheral non-adhesive tape of the double-sided adhesive tape in the step b, then covering the transfer film on the whole surface area of the double-sided adhesive tape, driving the whole structure to move, removing the lower layer film of the double-sided adhesive tape in the moving process, then transferring and pasting the bottom of the double-sided adhesive tape on the bottom film, and then removing the upper transfer film;

the viscosity of the bottom membrane is greater than that of the transfer membrane;

the viscosity between the transfer film and the upper film is less than that between the upper film and the adhesive layer, so that the transfer can be reliably and effectively carried out;

in the step c, the die-cutting die comprises a half-cutting part and a full-cutting part, wherein the half-cutting part corresponds to the modeling part at one end of the double-sided adhesive tape in the length direction, and the full-cutting part corresponds to the outline area of the strip-shaped product;

the size of the bottom film corresponding to the length of the double-sided adhesive tape in the step b is larger than the length of the double-sided adhesive tape, the corresponding surface area of the double-sided adhesive tape is completely covered, and the reliable operation of the step c is ensured by the size of the bottom film;

when the width of the double-sided adhesive tape is larger than N times of the length size of a product in the step a, N groups of corresponding double-sided adhesive tapes are arranged along the width direction of the double-sided adhesive tape in jumping die cutting, and a corresponding release film bulge setting distance is arranged between every two adjacent double-sided adhesive tapes, so that the effective utilization rate of the whole double-sided adhesive tape is ensured;

in the step a, in order to ensure the die cutting in the step c, the jumping distance is the width + L of the product, wherein the value of L is 0.1-0.3 mm, and the die cutting is ensured to be accurately and reliably carried out.

After the technical scheme is adopted, for the long-strip glue product, because two long edges are parallel and have no special shape and no hole, the gapless processing in the width direction of the double-sided glue can be realized after jumping and cutting, and the material utilization rate is improved to a great extent.

Drawings

FIG. 1 is a schematic structural view of a product suitable for use in the present invention;

FIG. 2 is a schematic flow diagram of the process of the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

a double-sided adhesive layer 1 and a release film layer 2;

the double-sided adhesive tape comprises a double-sided adhesive tape 10, a modeling part 21, a double-sided adhesive tape 20, a base film 30 and a product 40.

Detailed Description

A material-saving method for die cutting of a long adhesive tape is shown in figure 2 and comprises the following steps:

a. skip-cutting the double-sided adhesive tape 10 of the coil stock according to the width of the product to obtain a double-sided adhesive tape 20, wherein the skip-cutting distance is the width of the product;

b. the double-sided adhesive tape 20 obtained by skip cutting is pasted on the bottom film 30;

c. and die-cutting, molding and blanking the double-sided adhesive tape 20 which is pasted on the bottom film 30 to form the product 20.

In specific implementation, the skip cutting distance is the width of the product 40, so that no gap exists between the double-sided adhesive tapes after punching is finished;

in the step a, skip cutting is half cutting, only the upper layer film and the adhesive layer of the double-sided adhesive tape 10 are cut in the thickness direction, and the lower layer film is still in an integral structure;

removing the upper layer film on the peripheral non-adhesive tape of the double-sided adhesive tape 10 in the step b, then covering the transfer film on the whole surface area of the double-sided adhesive tape 20, driving the whole structure to move, removing the lower layer film of the double-sided adhesive tape in the moving process, then transferring and pasting the bottom of the double-sided adhesive tape on the bottom film 30, and then removing the upper transfer film;

the viscosity of the base film 30 is greater than the viscosity of the transfer film;

the viscosity between the transfer film and the upper film is less than that between the upper film and the adhesive layer, so that the transfer can be reliably and effectively carried out;

in the step c, the die-cutting die comprises a half-cutting part and a full-cutting part, wherein the half-cutting part corresponds to the modeling part 21 at one end of the double-sided adhesive tape 20 in the length direction, and the full-cutting part corresponds to the outline area of the strip-shaped product 40;

the size of the bottom film 30 corresponding to the length of the double-sided adhesive tape 20 in the step b is larger than the length of the double-sided adhesive tape 20, the corresponding surface area of the double-sided adhesive tape 20 is completely covered, and the size of the bottom film 30 ensures the reliable operation of the step c;

in the step a, when the width of the double-sided adhesive tape 10 is greater than N times of the length of the product 40, when skipping punching, N groups of corresponding double-sided adhesive tapes 20 are arranged along the width direction of the double-sided adhesive tape 10, and a corresponding release film protrusion setting distance is arranged between every two adjacent double-sided adhesive tapes 20, so that the effective utilization rate of the whole double-sided adhesive tape 10 is ensured;

in the step a, in order to ensure the die cutting in the step c, the jumping distance is the width + L of the product, wherein the value of L is 0.1-0.3 mm, and the die cutting is ensured to be accurately and reliably carried out.

In the specific embodiment, the length of the double-sided adhesive tape of the product is 303.59mm, the width of the double-sided adhesive tape is 4.51mm, the width of the double-sided adhesive tape is 960mm, the length of each roll of double-sided adhesive tape is 100m, each roll of double-sided adhesive tape can produce 66516PCS product, and the material utilization rate is 94.5%.

The working principle is as follows: for the long strip glue product, because two long edges are parallel and have no special shape and no hole, the waste material rate is reduced through skip cutting, the width direction zero-clearance processing of the double-sided adhesive can be realized after skip cutting, and the preparation condition of die cutting is completed through rotating and pasting to the bottom film, wherein the transfer film can be repeatedly utilized due to no contact with an adhesive layer, the cost cannot be increased, the material utilization rate of the double-sided adhesive is improved, and the material cost is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.