阅读说明：本技术 一种基于tpu纱线的编织制品的制备方法 (Preparation method of woven product based on TPU (thermoplastic polyurethane) yarns ) 是由 陈伟忠 于 2021-08-19 设计创作，主要内容包括：本发明涉及纺织技术领域,具体涉及一种基于TPU纱线的编织制品的制备方法,包括以下步骤：S1：将纱线与TPU进行包覆处理,使得TPU包覆纱线的外周,从而形成TPU纱线；S2：将TPU纱线放置在电绣机的进料口；S3：将基底放置在电绣机的工作区,电绣机将TPU纱线在基底上进行电绣；S4：电绣完成后将基底取出,从而得到编织制品；S5：将编织制品进行热压成型处理。本发明的成品无需再经过TPU注塑,能够增强鞋面的稳定性,并且使得外观美观整洁,另外热压成型之后,编织制品的材质会更为密实,TPU纱线之间的结合强度增强且平滑了编织制品的表面,同时还可保留出一定的孔隙结构,另外采用了电绣机,可以采用十几个编织头进行织线,大大地提高了工作效率。(The invention relates to the technical field of textiles, in particular to a preparation method of a woven product based on TPU (thermoplastic polyurethane) yarns, which comprises the following steps: s1: coating the yarn and the TPU to enable the TPU to coat the periphery of the yarn so as to form the TPU yarn; s2: placing the TPU yarn at a feed inlet of an electric embroidery machine; s3: placing the substrate in a working area of an electric embroidery machine, and electrically embroidering the TPU yarn on the substrate by the electric embroidery machine; s4: taking out the substrate after the electric embroidery is finished, thereby obtaining a knitted product; s5: and carrying out hot-press molding treatment on the knitted product. The finished product of the invention does not need to be subjected to TPU injection molding, can enhance the stability of the vamp, and enables the appearance to be beautiful and tidy, in addition, after hot press molding, the material of a woven product can be more compact, the bonding strength between TPU yarns is enhanced, the surface of the woven product is smoothened, meanwhile, a certain pore structure can be reserved, in addition, an electric embroidery machine is adopted, more than ten weaving heads can be adopted for weaving threads, and the working efficiency is greatly improved.)

1. A method for preparing a woven product based on TPU yarns is characterized by comprising the following steps: the method comprises the following steps:

s1: coating the yarn and the TPU to enable the TPU to coat the periphery of the yarn so as to form the TPU yarn;

s2: placing the TPU yarn at a feed inlet of an electric embroidery machine;

s3: placing the substrate in a working area of an electric embroidery machine, and electrically embroidering the TPU yarn on the substrate by the electric embroidery machine;

s4: taking out the substrate after the electric embroidery is finished, thereby obtaining a knitted product;

s5: and carrying out hot-press molding treatment on the knitted product.

2. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: in step S3, the substrate is a water-soluble substrate; in step S4, the substrate is taken out by water-soluble treatment.

3. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: in step S1, the method includes the steps of:

a: winding the yarn on a creel; placing the TPU in an extruder;

b: the creel guides out the yarn and passes through an extruder, and the extruder unit coats TPU on the surface of the yarn so as to form a coated yarn;

c: cooling the coated yarn;

d: the cooled covered yarn is wound onto a spool to form the TPU yarn.

4. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: the fineness of the TPU yarn is 300D-500D.

5. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: the TPU yarns are electro-embroidered into a staggered grid-like product.

6. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: in step S5, the time for the hot press molding is 25 seconds to 35 seconds.

7. A method of making a TPU yarn based woven article as claimed in claim 1, wherein: in step S5, the pressure for hot press molding is 8kg-12 kg.

Technical Field

The invention relates to the technical field of textiles, in particular to a preparation method of a woven product based on TPU (thermoplastic polyurethane) yarns.

Background

The history of shoes has long developed, and the production of shoes is an important industry in the light industry of China and is a component of the clothing industry. According to different vamp materials, shoe products can be divided into: leather shoes, cloth shoes, rubber shoes, plastic shoes, etc. Shoes are also classified into various methods according to wearing objects, manufacturing processes, uses, and the like. Wherein, sports shoes refer to shoes that people wore when carrying out sports, and its generalized concept specifically is: training processes for fitness, leisure, recreational and professional competitive sports and shoe types for formal competitive sports.

In order to make the strength of the vamp higher, after the yarns are woven on the vamp, the yarns need to be subjected to TPU injection molding, so that the joint of the yarns and the vamp is covered with the TPU, but the vamp is easy to damage after the injection molding is finished, and is not beautiful and tidy; in addition, the current upper has low knitting efficiency.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a preparation method of a woven product based on TPU yarns.

The purpose of the invention is realized by the following technical scheme: a method of making a woven article based on TPU yarns, comprising the steps of:

s1: coating the yarn and the TPU to enable the TPU to coat the periphery of the yarn so as to form the TPU yarn;

s2: placing the TPU yarn at a feed inlet of an electric embroidery machine;

s3: placing the substrate in a working area of an electric embroidery machine, and electrically embroidering the TPU yarn on the substrate by the electric embroidery machine;

s4: taking out the substrate after the electric embroidery is finished, thereby obtaining a knitted product;

s5: and carrying out hot-press molding treatment on the knitted product.

The present invention further provides that, in step S3, the substrate is a water-soluble substrate; in step S4, the substrate is taken out by water-soluble treatment.

The present invention is further configured such that, in step S1, the method includes the steps of:

a: winding the yarn on a creel; placing the TPU in an extruder;

b: the creel guides out the yarn and passes through an extruder, and the extruder unit coats TPU on the surface of the yarn so as to form a coated yarn;

c: cooling the coated yarn;

d: the cooled covered yarn is wound onto a spool to form the TPU yarn.

The invention is further provided that the fineness of the TPU yarn is 300D-500D.

The invention is further arranged such that the TPU yarns are electro-embroidered into a staggered mesh-like article.

The invention is further provided that in step S5, the time for the hot press forming is 25 seconds to 35 seconds.

The invention is further provided that in step S5, the pressure of the hot press forming is 8kg-12 kg.

The invention has the beneficial effects that: the yarn and the TPU are coated, so that the TPU coats the periphery of the yarn, the TPU yarn is covered by the electric embroidery machine for weaving, and then the finished product is obtained by hot pressing and forming, so that the finished product does not need to be subjected to TPU injection molding, the stability of a vamp can be enhanced, the appearance is attractive and neat, in addition, after hot pressing and forming, the material of the woven product is more compact, the bonding strength between the TPU yarns is enhanced, the surface of the woven product is smooth, a certain pore structure can be reserved, the air permeability is ensured, in addition, the electric embroidery machine is adopted in the embodiment, more than ten weaving heads can be adopted for weaving in the weaving process, and the working efficiency is greatly improved.

Detailed Description

The invention is further described with reference to the following examples.

The method for preparing a woven product based on TPU yarn described in this embodiment comprises the following steps:

s1: coating the yarn and the TPU to enable the TPU to coat the periphery of the yarn so as to form the TPU yarn;

s2: placing the TPU yarn at a feed inlet of an electric embroidery machine;

s3: placing the substrate in a working area of an electric embroidery machine, and electrically embroidering the TPU yarn on the substrate by the electric embroidery machine;

s4: taking out the substrate after the electric embroidery is finished, thereby obtaining a knitted product;

s5: and carrying out hot-press molding treatment on the knitted product.

Specifically, according to the preparation method of the woven product based on the TPU yarns, the yarns and the TPU are firstly coated, so that the TPU coats the periphery of the yarns, then the TPU yarns are woven by an embroidery machine, and then the finished product is obtained by hot press molding, so that the finished product does not need to be subjected to TPU injection molding, the stability of a vamp can be enhanced, the appearance is attractive and neat, in addition, after the hot press molding, the material of the woven product is more compact, the bonding strength between the TPU yarns is enhanced, the surface of the woven product is smooth, and meanwhile, a certain pore structure can be reserved, so that the air permeability is ensured; in addition, the embodiment adopts the electric embroidery machine, and dozens of knitting heads can be adopted to knit threads in the knitting process, so that the working efficiency is greatly improved.

In the method for preparing a woven product based on TPU yarn described in this embodiment, in step S3, the substrate is a water-soluble substrate; in step S4, the substrate is taken out by water-soluble treatment. The embodiment adopts the water-soluble substrate, ensures that the TPU yarn has substrate support to carry out the electric embroidery, and is convenient to remove.

In step S1, the method for preparing a woven product based on TPU yarn according to this embodiment includes the following steps:

a: winding the yarn on a creel; placing the TPU in an extruder;

b: the creel guides out the yarn and passes through an extruder, and the extruder unit coats TPU on the surface of the yarn so as to form a coated yarn;

c: cooling the coated yarn;

d: the cooled covered yarn is wound onto a spool to form the TPU yarn.

Specifically, through the arrangement, the TPU can be effectively coated on the periphery of the yarn, so that the TPU yarn with a stable structure is formed.

In the preparation method of the woven product based on the TPU yarn, the fineness of the TPU yarn is 300D to 500D. Through the arrangement, the structure of the knitted product is stable.

In the method for preparing a woven product based on TPU yarns according to this embodiment, the TPU yarns are embroidered into a staggered grid-like product. Through the arrangement, the structure of the knitted product is stable.

In the method for preparing a woven product based on TPU yarn described in this example, in step S5, the time for hot press forming is 25 seconds to 35 seconds. Through the arrangement, after hot press forming is carried out, the material of the woven product is more compact, and the bonding strength between TPU yarns is enhanced and the surface of the woven product is smooth.

In the method for manufacturing a woven product based on TPU yarn in this embodiment, in step S5, the pressure of the hot press forming is 8kg to 12 kg. Through the arrangement, after hot press forming is carried out, the material of the woven product is more compact, and the bonding strength between TPU yarns is enhanced and the surface of the woven product is smooth.

In the preparation method of the woven product based on the TPU yarn described in this embodiment, the woven product obtained by the above method has the following performance parameters:

test mode	Performance requirements	Test results
			Martindale wear-resistance	MIN 35cycles	35cycles
Tear resistance	MIN 40N	51.4N
			Fixed point elongation	MAX 30％	0％
Tensile strength	MIN 90N	96.5N
			Strength of sewing	MIN 50N	141.8N

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.