KR20030061071A - Method and apparatus for attaching textile fabric together - Google Patents

Abstract

PURPOSE: Provided is a method of bonding fabrics which prevents the width thereof from being shrunken, thereby improving the production yield and maintaining the soft tactile sensation of the bonded fabrics. CONSTITUTION: A method of bonding fabrics comprises the steps of: coating an adhesive onto a one-sided surface of a release coating PET film(3) continuously fed along a predetermined route; drying the adhesive coated on the PET film(3) such that it has a predetermined viscosity; applying the adhesive coated on the PET film onto the one-sided surface of a first fabric(1), and releasing it; and adhering the first fabric to a second fabric by facing the adhesive of the first fabric and the one-sided surface of the second fabric(2) to each other, and pressing them under a predetermined pressure.

Description

Fabric lapping method and apparatus used therefor {Method and apparatus for attaching textile fabric together}

The present invention relates to a fabric fabrication method and a device used therein. More specifically, the same or different types of fabrics are bonded to each other through an adhesive, but the width of the fabrics is prevented from shrinking to improve the error rate. The present invention relates to a fabric fabrication method and an apparatus used therein, which are capable of improving the quality by being softly maintained even after the touch is incorporated.

In recent years, knitted fabrics or fabrics in which fabrics are bonded to each other by an adhesive agent have been widely used, which requires a technique of adhering the same or different types of fabrics to each other at the maximum error rate and maintaining their quality to a certain degree. Do.

A recent method known as such a lapping technique is a predetermined thickness on one surface of the first fabric 101 released from the first fabric supply unit 110 passes through the adhesive coating unit 120 as schematically shown in FIG. Forming an adhesive layer, and drying the adhesive layer formed on one surface of the first fabric 101 by passing the first fabric 101 through the adhesive drying unit 130 by a plurality of guide rolls 112. The first fabric 101 and the first fabric 101 are released from the second fabric supply unit 140 and closely adhered to the second fabric 102 provided through a separate path at a predetermined pressure. The fabric 103 of the two fabrics 102 is produced.

However, the above-described method has a problem in that the first fabric 101 and the second fabric 102 have different widths in the bonded portion when the elastic fabric is a stretched knit material, which is the first fabric 101 having a long path. ), The width is reduced due to the relatively large tension is applied, while the width is not reduced very much because only a very small tension is applied to the second fabric 102, resulting in a decrease in the error rate of the composite fabric 103. .

In addition, it is difficult to adhere the first fabric 101 and the second fabric 102 having different tensions and to maintain the first fabric 101 with a high tension in a flat state. It was to have a problem that the quality of deterioration.

In addition, the conventional fabric bonding method is a method of applying the adhesive directly to the first fabric, so that the thin adhesive partially penetrates into the first fabric, and thus the soft touch that the clothing cloth should have when the fabric is laminated is not maintained. It was to have.

The present invention has been researched and developed in order to solve such a conventional problem, the object of which is to provide the adhesive layer dried to a predetermined viscosity to the first fabric by a separate PET film and the size of the tension between the first fabric and the second fabric To minimize the width of the fabric by minimizing the fabric to provide a fabric fabrication method and apparatus used thereon to improve the real error rate of the fabric.

In addition, another object of the present invention is to provide a fabric fabrication method and apparatus used for improving the quality of the fabric by keeping the touch of the first and second fabrics soft even after being combined.

1 is a schematic view showing a fabric mixing apparatus according to the prior art;

2 is a schematic view showing a fabric mixing apparatus according to the present invention;

3 is a block diagram showing the main part of the present invention in detail.

※ Explanation of symbols about main part of drawing ※

1: 1st fabric 2: 2nd fabric

3: PET film 10: first fabric supply part

20: second fabric supply unit 30: PET film supply unit

40: adhesive coating 50: adhesive drying

60: adhesive transition part 62: first heating roll

64: first nip roll 66: first cooling roll

68: second nip roll 70: fabric manufacturing unit

72: second heating roll 74: second nip roll

76: expander roll 77: third heating roll

78: second cooling roll 79: third cooling roll

80 PET film rewinder 90

The present invention as a technical configuration for achieving the above object, in the method for bonding the first and second fabric continuously fed along a predetermined path with an adhesive, release coating PET continuously supplied along a predetermined path Applying an adhesive to one side of the film; Drying the adhesive applied to the PET film to have a predetermined viscosity; Adhering the adhesive applied to the PET film to one surface of the first fabric and then transferring the adhesive; And pressing the first fabric and the second fabric at a predetermined pressure so that one surface of the second fabric and the adhesive transferred to the first fabric face each other, thereby adhering to the first fabric. By

In addition, the present invention, PET film supply unit for supplying a release coating PET film; A first fabric supply unit supplying a first fabric; A second fabric supply part supplying a second fabric; An adhesive applying unit for applying an adhesive to one surface of the PET film supplied from the PET film supply unit; An adhesive drying unit for drying the adhesive applied to the PET film discharged from the adhesive applying unit to a predetermined viscosity; An adhesive transition unit for adhering and then transferring the adhesive applied to the PET film discharged from the adhesive drying unit to one surface of the first fabric supplied from the first fabric supply unit and discharging the PET film and the first fabric through different paths; And a fabric fabrication unit for discharging the fabric by closely contacting the first fabric discharged from the adhesive transition unit and the second fabric supplied from the second fabric supply unit at a predetermined pressure.

Hereinafter, the present invention will be described in more detail.

In the process of the present invention, unlike the conventional process of applying the adhesive to the first fabric and drying the first fabric to the second fabric and then applying the adhesive to the PET film and drying the adhesive of the PET film after the first It is characterized by adopting the process of adhering the first fabric and the second fabric by transferring to the fabric.

In detail, the release coated PET film supplied from the PET film supply unit, that is, the coated paper (RP) or the coated film (Release Film (RF) (hereinafter referred to as 'PET film')) The adhesive is applied to one surface by passing the adhesive application part along a predetermined path, wherein the adhesive must be applied to one surface of the PET film in a uniform thickness, taking into account the quality of the final product, the fabric.

Next, a step of drying the adhesive applied on one surface of the PET film by passing the adhesive drying unit along a predetermined path to have a predetermined viscosity. At this time, the drying of the adhesive is made up to a sticky state, in order to be able to adhere the first fabric and the second fabric to form the composite in an optimal state.

Next, the PET film and the first fabric supplied from the first fabric feed part are passed through the adhesive transition part together, and the adhesive film is applied to one surface of the PET film by bringing the PET film and the first fabric into close contact at a predetermined pressure. The adhesive is transferred to one surface of the first fabric. At this time, the PET film and the first fabric is discharged in different paths at the end points of the adhesive transition portion, the PET film is collected for disposal or recycling.

Next, the first fabric discharged from the adhesive transition portion and the second fabric supplied from the second fabric supply portion pass through the fabric fabrication portion, and the fabrication portion closely adheres the first fabric and the second fabric to a predetermined pressure. In this way, the first fabric and the second fabric are adhered with an adhesive to produce a fabric. Of course, the foam discharged from the fabric manufacturing unit is mainly used as clothing fabrics.

In the case of manufacturing the fabric through such a process, when manufacturing the fabric by using a flexible fabric, a short path from the end point of the adhesive transition to the fabric manufacturing part is formed so that a large tension is not applied to the first fabric and the first fabric The tension applied to the fabric and the second fabric is almost the same, which minimizes the width change of the fabric and at the same time makes the width change of the first and second fabrics the same, thereby improving the error rate for the fabric production. It is.

The apparatus of the present invention, unlike the conventional apparatus for applying and drying the adhesive on the first fabric and then attaching the first fabric to the second fabric, the adhesive of the PET film after applying the adhesive to the PET film and drying the first fabric It is characterized by adopting a device for adhering to the first fabric and the second fabric.

This will be described in more detail with reference to the accompanying drawings.

Figure 2 is a schematic configuration diagram showing an overall fabric combining apparatus according to the present invention, Figure 3 is a detailed view of the main portion.

The PET film 3 is released from the PET film supply unit 30 and supplied to the adhesive applying unit 40, wherein the PET film supply unit 30 is a PET film unwinder wound around the PET film 3 in a roll form ( 32). In addition, a plurality of guide rolls 34 are installed between the PET film supply part 30 and the adhesive applying part 40 to provide a path of the PET film 3.

The PET film unwinder 32 may have a means for optimizing its rotation speed and tension so that the PET film 3 can be stably supplied to the adhesive applying unit 40, and a separate description thereof Is omitted. This is because it may be configured by any one of the means adopted and used in the conventional apparatus.

The adhesive applying unit 40 is an adhesive supply container (not shown) that can store a predetermined amount of the adhesive to continuously supply the adhesive to the PET film (3), and the adhesive supplied from the adhesive supply container to the PET film ( In order to uniformly apply to one surface of 3) may have a straight knife (not shown) and the like installed in the width direction of the PET film 3, a separate description thereof will be omitted. This is because it may be configured with any one of various structures for applying the adhesive used in the conventional apparatus. However, the structure of the adhesive applying unit 40 is preferably able to uniformly apply the adhesive on one surface of the PET film (3).

The PET film 3 discharged from the adhesive applying unit 40 enters the adhesive drying unit 50 by a plurality of guide rolls 45, and the adhesive uniformly coated on one surface of the PET film 3 is applied. It can be dried to a predetermined viscosity while passing through the adhesive drying unit (50).

The adhesive drying unit 50 may have various structures for drying the adhesive, such as supplying and discharging hot air so that the adhesive of the PET film 3 can be dried, and a temperature condition in which the PET film 3 is not deformed. It is sufficient to provide a PET film path through which the adhesive can be sufficiently dried.

The PET film 3 passing through the adhesive drying part 50 enters the adhesive transition part 60, and the first fabric 1 supplied from the first fabric supply part 10 to the adhesive transition part 60. ) Enters. Of course, the first far end supplier 10 has a first far end unwinder 12 wound around the first far end 1.

The adhesive transfer part 60 has a first heating roll 62 and a first nip roll 64 for bringing the PET film 3 and the first fabric 1 into close contact with each other at a predetermined pressure. The first heating roll 62 has a heating means (not shown) to maintain a predetermined temperature while the outer surface portion thereof is heated. This heating means has the conventional structure already disclosed.

In addition, the adhesive transfer part 60 has a first nip roll 68 and a second nip roll 68 which rotates in close contact with the first cooling roll 66 and the first cooling roll 66. The PET film 3 and the first fabric 1 discharged from the first heating roll 62 and the first nip roll 64 pass between the two nip rolls 68. Of course, the PET film 3 and the first fabric 1 discharged from the first heating roll 62 and the first nip roll 64 may be connected to the first cooling roll 66 by a plurality of guide rolls 69. Guided between the second nip rolls 68, the first cooling roll 66 has cooling means (not shown) adapted to maintain a predetermined temperature while the outer surface thereof is cooled. Such cooling means has the conventional structure already disclosed.

The PET film 3 and the first fabric 1 discharged from the first cooling roll 66 and the second nip roll 68 of the adhesive transfer part 60 proceed in different paths, and the PET film ( 3) is wound in a roll form in the PET film rewinder unit 80 via a plurality of guide rolls 63, the first fabric 1 and the second fabric 2 provided from the second fabric supply unit 20 and Enter into the fabric manufacturing unit 70 together. Of course, the second fabric supply unit 20 has a second fabric unwinder 22 wound around the second fabric 2 in the form of a roll.

The composite fabrication unit 70 has a second nip roll 74 to be rotated in close contact with the second heating roll 72 and the second heating roll 72, the first fabric (1) Has a path to enter between the second heating roll 72 and the third nip roll 74 along the outer surface of the second heating roll 72, the second fabric (2) is the third nip roll 74 It has a path to enter between the second heating roll 72 and the third nip roll 74 along the outer surface of the. The second heating roll 72 has a heating means (not shown) which can maintain a predetermined temperature while the outer surface portion thereof is heated. This heating means has the conventional structure already disclosed.

In addition, the fabric manufacturing unit 70 is equipped with an expander roll for inducing flattening guide for guiding the second fabric 2 between the second heating roll 72 and the third nip roll 74 in a flat state. The expander roll 76 is disposed at a position before the second fabric 2 enters between the second heating roll 72 and the third nip roll 74.

In particular, the first fabric (1) and the second fabric (2) is to be able to enter between the second heating roll 72 and the third nip roll 74 of the fabric manufacturing unit 70 while maintaining a flat state. This is very important, and this is how the arrangement of the second heating roll 72 and the third nip roll 74 of the fabric manufacturing unit 70, and the position of the first fabric 1 and the second fabric 2 It is determined whether to enter between the second heating roll 72 and the third nip roll 74 at.

This will be described in more detail as follows.

First, the third nip roll 74 is disposed below the second heating roll 72. More preferably, the third nip roll 74 is disposed directly below the second heating roll 72.

Next, the first fabric 1 enters a substantially horizontal state to the upper outer surface portion of the second heating roll 72 and proceeds along the outer surface of the second heating roll 72, followed by the second heating roll. It enters in the substantially horizontal state between 72 and the 3 nip roll 74. As shown in FIG.

Next, the second raw material 2 enters the third nip roll 74 through an expander roll 76, wherein the second raw material 2 is in the circumferential direction of the third nip roll 74. It enters between the 2nd heating roll 72 and the 3 nip roll 74 in the shape which wraps a predetermined length.

The first fabric 1 discharged from the fabric manufacturing unit 70 and the second fabric 2 to which the second fabric 2 is bonded are the third heating roll 77 and the second and third cooling rolls 78 ( 79) and enters the composite fabric rewinder unit 90, and the composite fabric rewinder unit 90 has a composite rewinder 92 which is capable of winding and storing the composite material 7 in a roll form.

The operation of the present invention configured as described above will be described.

The PET film 3 released from the PET film supply part 30 enters the adhesive applying part 40 by a plurality of guide rolls 34, and one surface of the PET film 3 in the adhesive applying part 40. An adhesive layer is formed on one surface of the PET film 3 by applying a uniform adhesive to a predetermined thickness.

The PET film 3 discharged from the adhesive applying part 40 enters the adhesive drying part 50 by a plurality of guide rolls 45, and the adhesive film part 40 of the PET film 3 is removed from the adhesive applying part 40. The adhesive applied to one surface is dried to have an appropriate viscosity. Of course, the plurality of guide rolls 52 provided in the adhesive drying unit 50 guides the PET film 3 to move along a predetermined path.

The PET film 3 discharged from the adhesive drying unit 50 enters between the first nip roll 64 and the first heating roll 62 of the adhesive transfer unit 60, and simultaneously with the first nip roll 64. The first fabric 1 supplied from the first fabric supply part 10 enters between the first heating rolls 62 together. Of course, the adhesive layer of the PET film 3 is in a state facing one surface of the first fabric (1).

In addition, the first nip roll 64 is in a state of being in close contact with the first heating roll 62 at a predetermined pressure, and the first heating roll 62 is heated to a predetermined temperature to maintain the temperature. This is optimal by attaching the adhesive layer on one surface of the first fabric 1 by heating the adhesive layer of the PET film 3, which has entered between the first heating roll 62 and the first nip roll 64, to a predetermined temperature. Create an environment of

Subsequently, the PET film 3 and the first fabric 1 discharged from the first nip roll 64 and the first heating roll 62 enter between the first cooling roll 66 and the second nip roll 68. do.

In addition, the second nip roll 68 is in a state of being in close contact with the first cooling roll 66 at a predetermined pressure, and the first cooling roll 66 is cooled to a predetermined temperature to maintain the temperature. This is optimal by allowing the adhesive layer of the PET film 3 entering between the first cooling roll 66 and the second nip roll 68 to be cooled to a predetermined temperature so that the adhesive layer can be transferred to one surface of the first fabric 1. Create an environment of

Here, when applying a relatively large tension, since the stretch amount of the PET film 3 has a very small value as compared to the stretchable knitted fabric or the like, when the first fabric 1 and the PET film 3 are advanced together The first fabric 1 does not extend.

Subsequently, the PET film 3 and the first fabric 1 discharged from the second nip roll 68 and the first cooling roll 66 are separated and proceed in different paths, wherein the adhesive layer is formed of a PET film ( 3) is in a state transitioned to one surface of the first fabric (1), the PET film (3) is guided to the PET film rewinder unit 80 by a plurality of guide rolls (63) and wound in a roll form to discard Or processed for recycling.

Then, the first fabric 1 enters the outer surface of the upper end of the second heating roll 72 of the fabric manufacturing unit 70 and proceeds while wrapping the second heating roll 72 from the portion, the second fabric supply unit The second fabric 2 supplied from 20 enters the central outer surface portion of the third nip roll 74 via the expander roll 76 and proceeds while wrapping the third nip roll 74 therefrom. The first fabric 1 and the second fabric 2 enter together between the second heating roll 72 and the third nip roll 74. Of course, the adhesive layer of the first fabric (1) is in a state facing one surface of the second fabric (2).

In particular, the first fabric (1) in the above proceeds in the form of wrapping the second heating roll 72 from when it is separated from the PET film (3) between the second heating roll 72 and the third nip roll 74 Since the distance until it is combined with the second fabric (2) is formed so small that it is not stretched very much by the tension.

Further, in the above, the second fabric 2 is also adjusted from the second fabric supply part 20 until the first fabric 1 is combined with the first fabric 1 between the second heating roll 72 and the third nip roll 74. Since the device is not under tension due to the adjustment of the device, it is not stretched much by tension.

In other words, the first fabric 1 and the second fabric 2 are entered between the second heating roll 72 and the third nip roll 74 in a state where they are almost not extended.

Subsequently, the first fabric 1 and the second fabric 2 are in close contact with each other at a predetermined pressure between the second heating roll 72 and the third nip roll 74, and the adhesive layer of the first fabric 1 The second heating roll 72 is heated to a predetermined temperature, which means that the first fabric 1 and the second fabric 2, which enter between the second heating roll 72 and the third nip roll 74, It is bonded by an adhesive to create an optimal environment that can be made into a blanket.

In addition, the composite cloth 7 discharged from the composite fabrication unit 70 passes through a plurality of guide rolls 71, third heating rolls 77, second and third cooling rolls 78, 79, and then, a composite cloth. The rewinder unit 90 may be accumulated in the form of a scroll by the rewinder 92.

As described above, according to the fabric bonding method and the apparatus used therein, an adhesive for bonding the first fabric and the second fabric is applied to a PET film moving along a predetermined path and dried, and the adhesive After the transition to the fabric by combining the first fabric and the second fabric has an effect that can improve the error rate for the fabric production.

In addition, even after the first and second fabrics are combined, the touch is softly maintained, thereby improving the quality of the cloth.

Claims (3)

In the bonding method for bonding the first fabric 1 and the second fabric 2, which are continuously supplied along a predetermined path, with an adhesive, Applying an adhesive to one surface of the release coated PET film 3 which is continuously supplied along a predetermined path; Drying the adhesive applied to the PET film 3 to have a predetermined viscosity; Adhering an adhesive applied to the PET film 3 to one surface of the first fabric 1 and then transferring the adhesive; And, Pressing and bonding the first fabric and the second fabric at a predetermined pressure so that one surface of the adhesive and the second fabric (2) transferred to the first fabric (1) to face each other; Incorporation method. PET film supply unit 30 for supplying a release coating PET film (3); A first fabric supply unit 10 for supplying the first fabric 1; A second raw material supplier 20 for supplying a second raw material 2; An adhesive applying unit 40 for applying an adhesive to one surface of the PET film 3 supplied from the PET film supply unit 30; An adhesive drying unit 50 for drying the adhesive applied to the PET film 3 discharged from the adhesive applying unit 40 to a predetermined viscosity; The adhesive applied to the PET film 3 discharged from the adhesive drying unit 50 is adhered to one surface of the first fabric 1 supplied from the first fabric supply unit 10, and then transferred and transferred to the PET film 3. Adhesive transition unit 60 for discharging the first fabric 1 and the different paths; And, A fabric manufacturing unit for discharging the cloth 7 by bringing the first fabric 1 discharged from the adhesive transition unit 60 into close contact with the second fabric 2 supplied from the second fabric supply unit 20 at a predetermined pressure. Fabric overlapping apparatus comprising a. The method of claim 2, wherein the fabric manufacturing unit 70, the front surface of the adhesive of the first fabric 1 discharged from the adhesive transition unit 60 and the second fabric discharged from the second fabric supply unit 20 A fabric stacking apparatus characterized in that it has a heating roll 72 and the nip roll 74 for close contact with a predetermined pressure in a state where one surface of (2) faces each other.