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Three-axis symmetrical composite spinning process and equipment for high-elasticity composite yarn

A technology of composite spinning and composite yarn, which is applied in the direction of spinning machine, drafting equipment, yarn, etc., can solve problems such as loss of elasticity, unstable structure, and inability to be used for high elastic requirements, and achieve high elastic yarn structure, Simple method, anti-wrinkle and shape-stabilizing effect

Inactive Publication Date: 2012-01-04
WUHAN TEXTILE UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Spandex has been used to increase elasticity and anti-wrinkle, but the elasticity disappears and the structure is unstable when the fabric is greatly deformed, so it cannot be used as medical, sports textiles and plastic orthopedic underwear with high elasticity requirements, and its key technology is the high elasticity of the yarn. long-term realization

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Three-axis symmetrical composite spinning process and equipment for high-elasticity composite yarn
  • Three-axis symmetrical composite spinning process and equipment for high-elasticity composite yarn
  • Three-axis symmetrical composite spinning process and equipment for high-elasticity composite yarn

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: Spinning the high-elastic composite yarn of cotton covering spandex filament

[0035] Choose two cylinders of cotton roving sliver and one cylinder of spandex yarn as the raw material of composite spinning, the raw material ratio of triaxial system is: the mass ratio of cotton / cotton / spandex filament is 40 / 40 / 20, utilize composite spinning process of the present invention spinning. Spandex filaments are held with a wrapping angle of 120° and zero additional turns, fed from the central axis with a tension of 10cN; cotton slivers are symmetrically synchronized from the other two axes at a distance of 10mm by the natural tension of spinning and drafting After feeding, the three will converge at point A under the action of 150 twist / 10cm twist (wrapping angle is about 58°) after exiting the nip of the front roller, forming spandex yarn wrapped symmetrically by two bundles of cotton whiskers , High elastic composite yarn with stable structure, its elastic elon...

Embodiment 2

[0036] Embodiment 2: Spinning spun silk to cover Lycra composite yarn

[0037] Choose two cylinders of spun silk roving strips and a cylinder of Lycra silk as the raw material of composite spinning, the raw material ratio of triaxial system is: the mass ratio of silk silk / spun silk / Lycra silk is 36 / 36 / 28, utilizes the composite spinning of the present invention Spinning process spinning. Lycra yarn's gripping roller has an enveloping angle of 100° and the number of winding turns is zero. It is fed from the central axis with a tension of 2cN; the silk filaments are synchronized from the other two axes at a distance of 8mm by the natural tension of spinning and drafting. Symmetrical feeding, the three are converged at point A under the action of 140 twist / 10cm twisting (wrapping angle is about 46°) after exiting the nip of the front roller, forming Lycra silk wrapped symmetrically by two bundles of silk strands The inner and structurally stable high-elastic composite yarn has a...

Embodiment 3

[0038] Embodiment 3: Spinning cotton and linen blended coated spandex filament composite yarn

[0039] Select two tubes of cotton-linen blended roving sliver and one tube of spandex yarn as raw materials for composite spinning. The ratio of the raw materials of the triaxial system is: the mass ratio of cotton-linen blended / cotton-linen blended / spandex yarn is 42 / 42 / 16. Invented composite spinning process spinning. The gripping roller of spandex yarn has an enveloping angle of 80° and one additional turn, that is, the enveloping angle is 80°+360°, fed from the central axis, and the tension is 20cN; Feed synchronously and symmetrically from the other two axes at a distance of 10mm. After the three are out of the nip of the front roller, they converge at point A under the action of twisting of 180 twists / 10cm (the wrapping angle is about 62°) to form a spandex quilt. Two bundles of cotton and linen blended yarns are symmetrically wrapped inside, and the structurally stable high-...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention relates to a three-axis symmetrical composite spinning process and equipment for a high-elasticity composite yarn and belongs to the technical field of multi-axis composite spinning. The three-axis symmetrical composite spinning process for the high-elasticity composite yarn is characterized in that: a holding roller capable of controlling the tensile force is arranged above a front roller of the common ring spinning machine, so that a stretch yarn passing around is centrally fed into the jaw of the front roller under the isostension condition; short fiber strips on two sides of the stretch yarn are rounded by a buncher and then are fed into the jaw of the front roller symmetrically and synchronously; and after the stretch yarn and the two short fiber strips go out of the jaw of the front roller, the stretch yarn and the two short fiber strips are converged under the twisting action to form the high-elasticity composite yarn with the stretch yarn arranged inside and the short fiber strips wrapped outside. By the process, the high-elasticity composite yarn can be effectively obtained and the absolute elasticity elongation rate is 30 to 95 percent. By the process and the equipment thereof, the technical problem that the elasticity of the yarn can be improved, but the high-elasticity composite yarn cannot be obtained at present can be solved.

Description

technical field [0001] The invention relates to a triaxial symmetrical composite spinning process and equipment for high elastic composite yarn, and belongs to the technical field of multiaxial composite spinning. Background technique [0002] Cotton fiber is widely used in the field of clothing because of its moisture absorption, softness and warmth, and hemp fiber is widely used in the field of clothing due to its moisture absorption, moisture conduction and coolness. Therefore, cotton and hemp yarn are often used as yarns for clothing fabrics. However, due to the small elasticity and easy wrinkling of cotton and hemp fibers, their practical use is limited. People usually adopt the method of introducing elastic fiber to improve the elasticity of cotton and linen yarn. Commonly used is to use spandex yarn and staple fiber core-spun yarn to improve the elasticity of cotton, linen, viscose, polyester and other poorly elastic spun yarns. Spandex is even used in wool spinning...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): D02G3/32D01H13/04D01H13/10D01H5/72
Inventor 于伟东蔡光明柯贵珍石先军吴济宏
Owner WUHAN TEXTILE UNIV
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