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Dotted bonding type auxetic yarn processing device and processing method

A processing device and bonding technology, applied in the direction of yarn, adhesive, spinning machine, etc., can solve the problems of unstable yarn structure, limited yarn types, and single yarn types, etc., and achieve obvious auxetic effect, The effect of short spinning process and simple processing method

Active Publication Date: 2018-04-24
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this kind of yarn also has the defect of unstable structure
[0005] In summary, most of the above-mentioned auxetic yarn processing methods are formed by processing filament yarn into a helical structure, and then twisting and forming, which is not suitable for traditional short fiber spinning, and the efficiency is low
The types of yarns in this spinning method are limited, and the types of yarns obtained are single, which is relatively limited in terms of the feel of the fabric.
Therefore, the application of traditional staple fiber raw materials in the field of auxetic yarn manufacturing is greatly limited

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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  • Dotted bonding type auxetic yarn processing device and processing method
  • Dotted bonding type auxetic yarn processing device and processing method
  • Dotted bonding type auxetic yarn processing device and processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1 Preparation of Concave Hexagonal Negative Poisson's Ratio Viscose Fiber Yarn

[0053] The unit geometry of the shaping template 24 and the negative Poisson’s ratio geometric shaping groove 28 on the surface of the roller 25 is a concave hexagon, such as Image 6 Shown.

[0054] The viscose staple fiber roving is selected as the raw material, and the viscose staple fiber roving is fed to the horn 12 and the feeding plate 13 to effectively hold and transport to the feeding roller 14; the fed viscose staple fiber roving is then transported to the sub The comb roller 21, after being combed by the carding roller 21, is transported to the plane of the channel formed by the shaping template 24 and the drum 25 through the airflow effect of the conveying channel 23, and forms an auxetic structure under the squeezing action of the shaping template 24 and the drum 25 It is shaped and output synchronously under the shaping action of the light radiation generated by the light r...

Embodiment 2

[0056] Example 2 Preparation of Concave Hexagonal Negative Poisson's Ratio Polyester Fiber Yarn

[0057] The unit geometry of the shaping template 24 and the negative Poisson’s ratio geometric shaping groove 28 on the surface of the roller 25 is a concave hexagon, such as Image 6 Shown.

[0058] Using polyester staple fiber roving as the raw material, the polyester staple fiber roving is fed to the horn 12 and the feeding plate 13 to be effectively held and conveyed to the feeding roller 14; the fed polyester staple fiber roving is then conveyed to the carding roller 21 After being combed by the carding roller 21, it is conveyed to the plane of the channel formed by the shaping template 24 and the drum 25 through the airflow effect of the conveying channel 23. Under the squeezing action of the shaping template 24 and the drum 25, an auxetic structural shape is formed. Under the setting action of the ultrasonic wave generated by the ultrasonic device, it is synchronized and output;...

Embodiment 3

[0060] Example 3 Preparation of Concave Hexagonal Negative Poisson Ratio Viscose-Polyester Blended Fiber Yarn

[0061] The unit geometry of the shaping template 24 and the negative Poisson’s ratio geometric shaping groove 28 on the surface of the roller 25 is a concave hexagon, such as Image 6 Shown.

[0062] The viscose-polyester blended spun roving strand is selected as the raw material, and the viscose-polyester blended spun roving is fed to the horn 12 and the feeding plate 13 to effectively hold and transport to the feeding roller 14; the fed viscose-polyester After the blended short fiber roving is transported to the opening roller 21, after being carded by the opening roller 21, it is transported to the plane of the channel formed by the setting template 24 and the drum 25 through the airflow effect of the conveying channel 23. The swelling structure is formed under the squeezing action of the squeezing device, and it is set and output synchronously under the ultrasonic act...

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 dotted bonding type auxetic yarn processing device and a processing method. The dotted bonding type auxetic yarn processing device comprises a raw material yarn feeding mechanism, a teasing and auxetic structure shaping mechanism and a twisting coiling mechanism; a yarn inlet of a conveying channel is corresponding to a carding roller, and a shaping template is arrangedat the inner part of the conveying channel; the surface of the shaping template and the periphery of a roller are provided with Poisson's ratio geological slots which are in rolling fit; the Poisson'sratio geological slots are formed to be a fiber yarn shaping auxetic structure through cooperation of the shaping template and the roller; through ultrasound wave or light radiation shaping device, the roller can cure and shape the fiber yarn. The method includes steps of feeding raw material yarn through the raw material feeding mechanism; carding the raw material yarn throught he carding roller; forming the auxetic short fiber yarn under the cooperation of the shaping template and the roller, curing and shaping; conveying the yarn to the twisting coiling mechanism to twist and coil. The dotted bonding type auxetic yarn processing device breaks through the limit of short fiber yarn application in the auxetic yarn manufacturing, realizes the processing of the short fiber auxetic yarn withstable structure, obvious extension effect and flat yarn surface in stretching.

Description

Technical field [0001] The invention belongs to the technical field of auxetic yarn processing, and particularly relates to a point-shaped bonding type auxetic yarn processing device and processing method. Background technique [0002] When the yarn is subjected to tensile strain, the yarn whose radial profile size increases is an auxetic yarn, which is a negative Poisson's ratio material according to the definition of Poisson's ratio. Due to the special effect of auxetic yarns, auxetic materials have many properties that are significantly better than traditional positive Poisson's ratio materials, involving cushioning impact energy absorption and fracture energy absorption (impact, damping, vibration reduction, noise reduction, etc.) Performance, it is usually used as the preferred material for industrial textiles, such as automotive protective products used as seat cushions and seat belts, human body protective products to protect various parts of the human body, especially kne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D02G3/40D02G3/34D02G3/04D02G3/02D01H4/08
CPCD01H4/08D02G3/02D02G3/04D02G3/34D02G3/40D10B2201/24D10B2211/02D10B2211/04D10B2331/02D10B2331/04
Inventor 杜赵群陈俊丽何玲娥张明月仵玉芝龚占江邵青青李涵余卫东
Owner DONGHUA UNIV
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