CN212895179U

CN212895179U - Tensile composite yarn

Info

Publication number: CN212895179U
Application number: CN202021543868.3U
Authority: CN
Inventors: 何新华; 徐汕文; 蔡先彪
Original assignee: Hunan Kelijia Textile Co ltd
Current assignee: Hunan Kelijia Textile Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-06
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a tensile type composite yarn is twisted with fingers by first fiber yarn and second fiber yarn and forms, just the cross sectional area of first fiber yarn is 15% ~ 25% bigger than second fiber yarn cross sectional area, first fiber yarn includes heart yearn, covering layer and skin, the heart yearn is 2 ~ 3 bundles of polyamide fibre bundles and is the heliciform and just twist with fingers formation polyamide yarn core, and its surface forming has one deck viscose fiber layer as the covering layer, covering layer surface forming has the skin, the skin is the heliciform by first composite fiber bundle and second composite fiber bundle and is made on the covering layer surface around rolling up the twist with fingers, first composite fiber bundle is formed by polyester fiber and triacetate fiber twist, second composite fiber bundle is formed by cotton fiber, polyester fiber and spandex fiber twist with fingers. The utility model discloses a compound yarn of tensile type has tensile strength, toughness, elasticity of preferred, and also makes its sense of touch and the surface property that has the preferred through the second fiber yarn twist with close skin nature.

Description

Tensile composite yarn

Technical Field

The utility model relates to a weaving yarn technical field, concretely relates to compound yarn of tensile type.

Background

Fabrics have become indispensable articles in common use in human life, and with the progress of textile technology and the improvement of people's pursuit of quality of life, the demands of consumers on fabrics, especially close-fitting fabrics, are higher and higher, and the types of weaving materials for weaving fabrics are also more and more, and the fabrics are not limited to traditional animal and plant fibers and single chemical fiber material fibers. The yarn is a product processed by various textile fibers into a certain fineness, and is also the most main basic material for the manufacture of the fabric.

The tensile strength and the wear resistance of the yarn are more important, the important factors determining the durability and the firmness of the textile, the single yarn or the composite yarn made of traditional natural animal and plant fibers such as cotton fibers, hemp fibers, silk, wool and the like has better wearing comfort, but the yarn is easy to walk and has poorer toughness and elasticity, the defects of poor strength, surface elasticity and insufficient tension exist, the polyamide fiber has better tensile strength, so the manufactured textile is very firm and durable, but the handfeel and the comfort of the polyamide fiber are poorer, and the diversified market demand is difficult to meet, so the yarn needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a tensile composite yarn, this kind of tensile composite yarn has the intensity and the tension stability of preferred, also has the tensile performance of tearing of preferred simultaneously, can be used to solve the defect in the above-mentioned technical background.

The utility model provides a technical problem adopt following technical scheme to realize:

the tensile composite yarn is formed by twisting a first fiber yarn and a second fiber yarn, the cross-sectional area of the first fiber yarn is 15% -25% larger than that of the second fiber yarn, the first fiber yarn comprises a core wire, a core-spun layer and an outer layer, the core wire is formed by twisting 2-3 polyamide fiber bundles spirally to form a polyamide yarn core, a viscose fiber layer is formed on the outer surface of the polyamide yarn core and serves as the core-spun layer, the outer layer is formed on the surface of the core-spun layer, the outer layer is formed by twisting a first composite fiber bundle and a second composite fiber bundle spirally around and on the surface of the core-spun layer, the first composite fiber bundle is formed by twisting polyester fibers and triacetate fibers, and the second composite fiber bundle is formed by twisting cotton fibers, polyester fibers and spandex fibers.

The second fiber yarn is preferably one of a cotton fiber yarn, a milk fiber yarn, a modal fiber yarn and a hemp fiber yarn.

By way of further limitation, the second fiber yarn is twisted on the first fiber yarn in a Z-shaped or S-shaped twist direction.

By way of further limitation, the amount of the polyamide fiber in the core wire is 5-8% of the total amount of the tensile composite yarn.

By way of further limitation, the first composite fiber bundle and the second composite fiber bundle are spirally wound in the same direction, and the winding direction of the first composite fiber bundle is the same as that of the second composite fiber bundle.

By way of further limitation, the ratio of the cross-sectional area of the polyester fibers to the cross-sectional area of the triacetate fibers in the first composite fiber bundle is 1: 3.

By way of further limitation, the cross-sectional area ratio of the cotton fibers, the polyester fibers and the spandex fibers in the second composite fiber bundle is 1:1: 1.

Has the advantages that: the utility model discloses a tensile type composite yarn forms the multiple helical structure of tensile type composite yarn body and inside first fiber yarn through the combination twist of different materials, and it is high through heart yearn intensity, and stability is good, and alternate winding's structure and reasonable fiber material select to provide necessary toughness and elasticity for the yarn to make the internal connection of yarn inseparabler;

simultaneously, the core wires with different cross-sectional areas wound in the same direction can tightly wrap the core wires, gaps among the fiber bundles are reduced, the elasticity of the core wires is exerted to the best effect, and when the composite yarn is stretched, continuous changes of the toughness and the tightening force of the core wires, the outer layer and the second fiber yarn twisting layer from inside to outside are formed, so that the toughness and the strength of the whole composite yarn in stretching are enhanced, the core wires are prevented from being broken, and the tensile strength of the yarn is further improved.

Drawings

Fig. 1 is a schematic view of an alternate twisting structure according to a preferred embodiment of the present invention.

Fig. 2 is a cross-sectional detail view of the first fiber yarn of fig. 1.

Wherein: 1. a first fiber yarn; 2. a second fiber yarn; 11. a first composite fiber bundle; 12. a second composite fiber bundle; 13. a core wire; 14. a core-spun layer; 111. triacetate fiber; 112. a first polyester fiber; 121. cotton fibers; 122. a second polyester fiber; 123. a spandex fiber.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.

Referring to fig. 1 and 2, in the present embodiment, the tensile composite yarn includes a first fiber yarn 1 and a second fiber yarn 2, and the cross-sectional area of the first fiber yarn 1 is 20% larger than that of the second fiber yarn 2; the first fiber yarn 1 and the second fiber yarn 2 are twisted anticlockwise, and the twisting direction of the first fiber yarn 1 twisted on the second fiber yarn 2 is S-shaped.

The second fiber yarn 2 mainly exhibits an external use performance, and may be one of skin-friendly fiber yarns, such as cotton fiber yarn, milk fiber yarn, modal fiber yarn, and hemp fiber yarn, to obtain the air permeability, moisture absorption, heat preservation, and comfort effects of different fiber materials, and in this embodiment, the second fiber yarn 2 employs a cotton fiber yarn having better air permeability, moisture absorption, heat preservation, and comfort.

The structure of the first fiber yarn 1 is shown in fig. 2, which comprises a core 13, a core layer 14 and an outer layer, wherein the core 13 is a polyamide yarn core formed by three bundles of polyamide fiber bundles in a spiral positive twist mode, the dosage of the polyamide fiber in the polyamide yarn core is 6.5% of the total amount of the tensile composite yarn, and the core 13 formed by the polyamide yarn core can enable the tensile composite yarn to have better basic elastic recovery rate, bending resistance and fatigue resistance. The outer surface of the core 13 is formed with a viscose fiber layer as a core layer 14.

The outer layer formed on the outer surface of the core-spun layer 14 is formed by twisting a first composite fiber bundle 11 and a second composite fiber bundle 12 in a counterclockwise spiral shape, wherein the first composite fiber bundle 11 is formed by twisting a polyester fiber 112 and a triacetate fiber 111 with the cross-sectional area ratio of 1: 3; and the second composite fiber bundle 12 is formed by twisting cotton fibers 121, polyester fibers 122 and spandex fibers 123 with the cross-sectional area ratio of 1:1: 1. The outer layer structure of the forming and core-spun layer 14 forms a composite fiber structure with stable structure and mutual traction of fibers through the cross twisting of the first composite fiber bundle 11 and the second composite fiber bundle 12, the composite fiber structure fully utilizes the draping property and the anti-crease property of the triacetate fiber, the strength and the elastic recovery capability of the polyester fiber and the high elastic energy of spandex to form continuous change of the strength and the toughness, and meanwhile, the thickness of the first fiber yarn 1 can be effectively controlled from the perspective of the composite yarn, so that the second fiber yarn 2 can still keep better hand feeling after the first fiber yarn and the second fiber yarn are cross twisted in proportion, and the toughness and the elastic restoring force of the composite yarn are ensured.

Therefore, the composite yarn structure of the present embodiment takes into consideration not only the elasticity, recovery and tenacity of the entire composite yarn but also the overall thickness and touch of the composite yarn.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. The tensile composite yarn is characterized by being formed by twisting a first fiber yarn and a second fiber yarn in a crossed mode, the cross-sectional area of the first fiber yarn is 15% -25% larger than that of the second fiber yarn, the first fiber yarn comprises a core wire, a core-spun layer and an outer layer, the core wire is formed by twisting 2-3 polyamide fiber bundles in a spiral positive mode to form a polyamide yarn core, a viscose fiber layer is formed on the outer surface of the polyamide yarn core to serve as the core-spun layer, the outer layer is formed on the surface of the core-spun layer, the outer layer is formed by twisting a first composite fiber bundle and a second composite fiber bundle on the surface of the core-spun layer in a spiral mode in a winding mode, the first composite fiber bundle is formed by twisting polyester fibers and triacetate fibers, and the second composite fiber bundle is formed by twisting cotton fibers, polyester fibers and spandex fibers.

2. The tensile composite yarn of claim 1, wherein said second fiber yarn is one of a cotton fiber yarn, a milk fiber yarn, a modal fiber yarn, and a hemp fiber yarn.

3. The tensile composite yarn of claim 1, wherein the second fiber yarn is twisted on the first fiber yarn in a Z-shape or S-shape.

4. The tensile composite yarn of claim 1, wherein the amount of the polyamide fiber in the core is 5 to 8% of the total amount of the tensile composite yarn.

5. The tensile composite yarn of claim 1, wherein said first composite fiber bundle and said second composite fiber bundle are spirally wound in the same direction and in the same winding direction as said second fiber yarn.

6. The tension-type composite yarn as claimed in claim 1, wherein the ratio of the cross-sectional area of the polyester fiber to the triacetate fiber in the first composite fiber bundle is 1: 3.

7. The tension-type composite yarn as claimed in claim 1, wherein the cross-sectional area ratio of the cotton fiber, the polyester fiber and the spandex fiber in the second composite fiber bundle is 1:1: 1.