KR102338094B1 - Method for manufacturing of double sided cotton and itself - Google Patents

Abstract

The present invention relates to a method for manufacturing a double-sided cotton and a double-sided cotton thereby. According to the present invention, the method comprises: a first side cotton forming step (S10) of forming a first side cotton (110) of a soft material by using a raw material fiber in which polyester fibers and low melting (LM) fibers are mixed; a second side cotton forming step (S20) of forming a second side cotton (120) of a hard material by using a raw material fiber mixed with DTY fibers and the LM fibers; a bonding step (S30) of stacking and thermally bonding the first cotton (110) and the second cotton (120) up and down to integrate the cottons into a double-sided cotton including one side made of the soft material and the other side made of the hard material; a smoothing step (S40) of smoothing the surfaces of each side by passing the double-sided cotton of different materials integrated in the bonding step (S30) through a heat roller to form a sheet; and a winding step (S50) of putting the double-sided cotton formed as the sheet into a winding machine to wind the double-sided cotton. Accordingly, a double-sided cotton made of different materials is manufactured, and thus productivity is increased while functionalities are complemented mutually.

Description

Double-sided cotton manufacturing method and double-sided cotton by the same

The present invention relates to a method for manufacturing double-sided cotton and an invention related to double-sided cotton thereby, and more particularly, by integrating cotton used for bedding or building insulation, etc. with cotton made of different fibers to produce double-sided cotton, the functionality is mutually It is about technology that improves productivity while complementing it.

In general, cotton is widely used as a material for various clothing, bedding, and building insulation materials in order to provide warmth or cushioning.

There are synthetic cottons manufactured by processing synthetic fibers such as polyester, acrylic, vinyl chloride, and fluoropropylene as well as natural cotton using fibers extracted from natural materials such as cotton, silk, and wool. Compared to natural cotton, synthetic cotton has excellent washing properties, low price, strong heat resistance, and excellent processability, so it can be used for various purposes.

On the other hand, such a cotton is manufactured through a series of steps consisting of processing the raw material fiber and giving shape and functionality according to the use. Cotton used for bedding or insulation is generally manufactured and supplied in the form of a sheet or plate of a certain thickness.

As an example, Korean Patent Registration No. 10-1602931 discloses an opening step of removing impurities from raw fiber, a mixing step of mixing the raw fiber that has undergone the opening step in a spiral motion, and a fiber sheet by riding the raw fiber that has undergone the mixing step. A noodle making step, a spraying step of spraying a functional additive on the fiber sheet that has undergone the noodle making step, a forming step of continuously connecting the fiber sheet by opening the fiber sheet to a predetermined width, and a punching step of needle punching the fiber sheet that has undergone the forming step Consists of a manufacturing method of cotton containing.

As another example, Korean Patent Registration No. 10 - 1138980 discloses a cotton opening machine in which a receiving part for accommodating raw cotton wool is formed in order to burn the compressed raw cotton evenly, and the other surface part on which the other surface of the raw cotton cotton is formed; The carding machine part that softens the primary cotton wool, and the nonwoven fabric and the cotton wool are punched by repeated vertical movement through a number of needles so that the stacked cotton and nonwoven fabrics are entangled with each other and have a certain thickness and fiber density. It consists of a needle punching part to be laminated, a side cutting part that cuts uneven both sides of the laminated non-woven fabric and cotton in a uniform state, and a winder that winds up the finished product cut through the side cutting part. to construct a device for manufacturing

As another example, in Korea Utility Model Registration No. 20 - 0357020, the polyester staple, which is a raw material, is primarily burned by a plurality of needle rods formed on the outer circumferential surface of the first cylinder to have the form of small fibrous cotton, and the second cylinder The first processed polyester staple is transported to the inside of the cylinder and the first processed polyester staple is processed again to form a more resilient artificial fiber wool, and then the material introduced into the third cylinder is processed in the same process as in the second cylinder After passing through the process, it is processed into a finished synthetic fiber cotton, guided by a guide roller, and discharged through a discharge belt, thereby composing a device for manufacturing artificial fiber cotton.

Korean Patent No. 10 - 1602931 (2016.03.11) Korean Patent Registration No. 10 - 1138980 (April 25, 2012) Korea Registered Utility Model No. 20 - 0357020 (2004.07.21) Korean Patent Registration No. 10 - 1430751 (2014.08.14)

Cotton used as a conventional bedding or heat insulating material as described above is generally manufactured in a sheet shape through steps such as needle punching, molding, etc. when natural or synthetic materials are put into the device and burnt.

Therefore, since the cotton to which the prior art is applied is made in a form in which the same material is distributed on the surface, the back side, the inside and the outside, the disadvantages of the raw material fiber, for example, cotton made of only polyester, may easily shrink during washing. It will have its shortcomings as it is.

On the other hand, in the processing process of synthetic fibers, for example, in the processing process such as stretching and twisting fibers like DTY to form a texture, a large amount of breakage inevitably occurs. Although there are advantages, most of them are not utilized and are discarded because they cannot perform the function of fibers alone.

Accordingly, the present invention was invented to solve the problems of the prior art as described above,

A first cotton cotton forming step (S10) of forming the first cotton cotton 110 of a soft material by using a raw material fiber in which polyester fibers and LM fibers are mixed;

A second cotton wool forming step (S20) of forming the second cotton cotton 120 of a hard material using the raw material fibers mixed with the DTY fibers and the LM fibers;

A bonding step (S30) of stacking the first cotton 110 and the second cotton 120 up and down and thermally bonding one side to a soft material and the other side into a double-sided cotton made of a hard material;

A smoothing step (S40) of smoothing the surfaces of each side by passing the double-sided cotton of different materials integrated in the merging step (S30) through a heat roller and forming a sheet;

By including a winding step (S50) in which the double-sided cotton formed on the sheet is put into a winding machine and wound, double-sided cotton made of a different material is manufactured to complement the functionality and improve productivity. It is possible.

The present invention provides a method of manufacturing a double-sided cotton by integrating cotton made of different fibers in manufacturing cotton used for use in bedding or building insulation materials.

Therefore, the present invention provides high cushioning and restoring force on one side made of polyester fiber, and heat resistance on the other side, There is an advantage in manufacturing high-quality cotton that can provide different textures while complementing the functionality on both sides, such as improving shrinkage during washing.

In addition, the present invention has the advantage that the integration process can be performed stably and conveniently using the conventional system by configuring each side of the double-sided cotton made of a different material to contain LM fibers (low-melting-point fibers).

In addition, since the present invention is made to utilize the DTY wave generated in the texturing process of synthetic fibers, etc., resources can be recycled and have economic advantages.

1 is a process flow diagram of a method for manufacturing double-sided cotton according to the present invention.
2 to 4 are exemplary images of double-sided cotton produced by the method for manufacturing double-sided cotton according to the present invention.

Hereinafter, with reference to the accompanying drawings, the configuration and operation of the method for manufacturing double-sided cotton of the present invention and the preferred embodiment of the double-sided cotton according to the present invention will be described in detail as follows. In the following description, detailed descriptions of parts that can be easily implemented by those skilled in the art may be omitted. In addition, since the following description is given with reference to preferred embodiments of the present invention, the present invention is not limited by the following examples, and it is natural that various modifications may be provided without departing from the scope of the present invention. something to do.

1 is a process flow diagram of a method for manufacturing double-sided cotton according to the present invention, and FIGS. 2 to 4 show exemplary images of double-sided cotton produced by the method for manufacturing double-sided cotton according to the present invention.

It should be noted that the method for manufacturing double-sided cotton to which the technology of the present invention is applied and the double-sided cotton thereby relates to a technology for manufacturing double-sided cotton by integrating cotton made of different fibers with cotton used for bedding or building insulation.

For this purpose, the method for manufacturing double-sided cotton of the present invention largely includes a first cotton wool forming step (S10), a second cotton cotton forming step (S20), a merging step (S30), a smoothing step (S40), and a winding step (S50). It comprises and is specifically as follows.

The first cotton cotton forming step (S10) is a step of forming the first cotton cotton 110 of a soft material by using a raw material fiber in which polyester fibers and LM fibers are mixed.

In the first cotton forming step (S10), raw fibers are mixed, and the first cotton 110 is formed in the form of cotton through processing processes such as the other side, open side, and needle punching.

The polyester fiber is a material mainly used as a raw material for synthetic cotton, and has the advantage of excellent cushioning properties and restoring power, but has a disadvantage of shrinkage during washing.

The LM fiber is a low-melting fiber fiber having a characteristic of melting at a low temperature of 100 ~ 200 ℃, unlike a typical polyester fiber that melts at about 200 ℃ or more.

In the first cotton wool forming step (S10), 20 ± 10 parts by weight of LM fibers are mixed with respect to the polyester fiber weight to form the raw material fibers of the first cotton wool 110, and molded to a predetermined thickness, the first cotton cotton made of soft material (110) is formed.

In the first cotton wool forming step (S10), the content of LM fibers is mixed in a smaller amount than that of the second cotton wool 120 to form a soft material having a softer texture and cushioning properties, while reducing cushioning properties in the following synthesizing step (S30) It is constructed so that fusion can be performed stably without

The second cotton wool forming step (S20) is a step of forming the second cotton cotton 120 of a hard material using raw material fibers mixed with DTY fibers and LM fibers.

In the second cotton wool forming step (S20), raw fibers are mixed, and the second cotton wool 120 is formed in the form of cotton through processing processes such as the other side, open side, and needle punching.

The DTY parsa is a parsa generated in the process of bulky processing a draw textured yarn, and a large amount is generated in the process of twisting and unwinding a synthetic fiber yarn such as polyester while stretching and twisting, and most of them are currently being disposed of.

In the second cotton wool forming step (S20), 35±10 parts by weight of LM fibers are mixed with respect to the DTY parsa fiber weight to form the raw material fibers of the second cotton wool 120, and a predetermined amount corresponding to the first cotton wool 110 It is molded to a thickness to form the second cotton 120 made of a hard material.

In the second cotton wool forming step (S20), the content of LM fibers is mixed in a larger amount than that of the first cotton wool 110 to form a hard material with a harder texture, and more easily fusion is achieved in the following synthesizing step (S30). configure it to be

The bonding step (S30) is a step of stacking the first cotton 110 and the second cotton 120 in top and bottom and thermally bonding, one side is a soft material, and the other side is a step of integrating into a double-sided cotton made of a hard material.

In the merging step (S30), the first cotton 110 and the second cotton (110) and the second cotton (110) at the melting point of the LM fiber without using a separate binder or the like by using the characteristic that the LM fiber has a low melting point compared to the polyester fiber. 120) is configured so that drying and merging are performed at the same time.

In the merging step (S30), the first cotton 110 and the second cotton 120 are overlapped and supplied to the dryer, and hot air of 130° C. is supplied to the first cotton 110 and the second cotton 120. It is made so that the LM fibers are fused to each other.

The first cotton 110 and the second cotton 120 are each formed such that 20±10 parts by weight and 35±10 parts by weight of LM fibers are mixed. The soft first cotton 110 is made of a hard material. Containing a smaller amount of LM fibers compared to the double-sided cotton 120, it is configured to form a stable and strong plywood while evenly forming the thickness lost on the fusion surface 130.

The smoothing step (S40) is a step of smoothing the surfaces of each side by passing the double-sided cotton of the dissimilar material integrated in the merging step (S30) through a hot roller and forming a sheet.

In the smoothing step (S40), the polyester fiber has a higher melting point than the LM fiber in the first cotton 110 and the second cotton 120 integrated by forming the fusion surface 130 by the bonding step (S30). It is configured to smooth the surfaces of both sides of the double-sided cotton using the properties of the branches.

In the smoothing step (S40), the polyester fibers contained in the first cotton 110 and the second cotton 120 are melted and processed by processing the heat rollers at 230±20° C. on both surfaces of the double-sided cotton.

The first cotton 110 and the second cotton 120 are each formed by mixing polyester fibers with the exception of 20±10 parts by weight and 35±10 parts by weight of LM fibers, respectively. The surface of the double-sided cotton is treated with a heat roller at a temperature of 230 ± 20°C corresponding to the melting point to remove the irregularly raised tissue, and the thickness of the double-sided cotton is processed to the desired thickness based on the fusion surface 130. .

The winding step (S50) is a step of winding the double-sided cotton formed on the sheet by putting it in a winding machine.

In the winding step (S50), the double-sided cotton made of different raw materials and materials based on the fusion surface 130 is equally cut in length and width according to the use, and then wound and packaged using a winder to be shipped.

The double-sided cotton 100 manufactured by the double-sided cotton manufacturing method to which the technology of the present invention is applied having the configuration as described above is formed by mixing polyester fibers and 20±10 parts by weight of LM fibers relative to the polyester fiber weight. The first cotton 110, the DTY parsa fiber, and the second cotton 120 formed by mixing 35±10 parts by weight of the LM fiber relative to the DTY parsa fiber weight are provided in the form of an integrated sheet by thermal bonding, so that the fusion surface Based on 130, one side is made of a soft material and the other side is a double-sided cotton 100 made of a hard material.

The method for manufacturing double-sided cotton according to the present invention as described above and the double-sided cotton according to the method are configured to easily manufacture cotton with both sides of different materials integrated, so that one side made of polyester fiber provides high cushioning and restoring power, and DTY parsa fiber On the other side made of, it is configured to manufacture double-sided cotton that can improve heat resistance and shrinkage during washing.

Therefore, the present invention has the effect of providing high-quality double-sided cotton for bedding and building insulation by providing the texture of soft and hard materials while complementing the functionality on both sides of different materials compared to the conventional cotton.

In addition, the present invention utilizes the melting point characteristics of polyester fibers and LM fibers to produce double-sided cotton by stably and conveniently integrating different types of cotton using a conventional system without using a separate system or binder material. , it has various effects such as having an economic advantage by recycling the DTY parsa, which has been mostly discarded in the past.

100: double-sided cotton
110: first cotton
120: second cotton
130: fusion surface
S10: first cotton wool forming step
S20: second cotton wool forming step
S30: fusion step
S40: smoothing step
S50: winding stage

Claims (4)

A first cotton cotton forming step (S10) of forming the first cotton wool 110 by using the raw material fibers in which the polyester fibers and the LM fibers are mixed;
A second cotton wool forming step (S20) of forming the second cotton wool 120 by using the raw material fibers mixed with DTY fibers and LM fibers;
A bonding step (S30) of stacking the first cotton 110 and the second cotton 120 in top and bottom and thermally bonding to integrate one side of the soft material and the other side into double-sided cotton made of a hard material;
A smoothing step (S40) of smoothing the surfaces of each side by passing the double-sided cotton of different materials integrated in the merging step (S30) through a heat roller and forming a sheet shape;
Including a winding step (S50) of winding the double-sided cotton formed on the sheet by putting it in a winding machine,
In the first cotton wool forming step (S10),
20 ± 10 parts by weight of LM fibers based on the polyester fiber weight are mixed to form the raw material fibers of the first cotton wool 110 having a cushioning property compared to the second cotton wool 120,
In the second cotton wool forming step (S20),
35±10 parts by weight of LM fibers based on the DTY parsa fiber weight are mixed to form the second cotton wool 120 having a harder texture than the first cotton wool 110,
In the merging step (S30),
The first cotton 110 and the second cotton 120 are overlapped and supplied to a dryer, and hot air of 130° C. corresponding to the melting point of the LM fiber is supplied to fuse the LM fibers with each other, but compared to the second cotton 120 The thickness of the first cotton 110 containing a small amount of LM fibers lost on the fusion surface 130 is made equal to each other so that the fusion is made while maintaining cushioning properties,
In the smoothing step (S40),
Heat rollers of 230±20° C. corresponding to the melting point of polyester fibers are treated on both surfaces of the double-sided cotton to melt the polyester fibers contained in the first cotton 110 and the second cotton 120 to irregularly A method for manufacturing double-sided cotton, characterized in that it is made to treat the thickness of the double-sided cotton to a desired thickness based on the fusion surface 130 while removing the raised tissue. delete delete delete

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