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Method for treating yarns

A yarn and shaft technology, applied in the field of open-end spinning, can solve problems such as unfavorable sales of rotor-spun yarn products, narrow range of spinning yarn counts, rough fabric feel, etc., to improve geometrical physical properties and geometrical physical properties Effects of change, texture and improvement of softness and fullness

Inactive Publication Date: 2006-07-12
胡金莲
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. This spinning technology can spin a narrow range of yarn counts (mainly thick and medium counts), and can only be used for spinning processing of a limited number of fibers
[0004] 2. The strength of the number of spun yarns is lower than that of ring-spun yarns
[0005] 3. The most important thing is that the fabric made of this kind of yarn feels too rough, which is extremely unfavorable for the sales of rotor-spun yarn products.
[0006] The above shortcomings are also the common weaknesses of open-end spinning technology products

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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  • Method for treating yarns
  • Method for treating yarns

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Embodiment Construction

[0028] Such as image 3 and 4 As shown, the device for treating yarns according to the invention for improving the properties of open end yarns and their fabrics consists of a two-roller drafting system. The drafting system comprises a front roller 4 and a rear roller 3. In this two-roller drafting system, the tangential velocity V of rear roller 3 B Less than the tangential velocity V of the front roller 4 F , Therefore, when the yarn from the yarn shaft or spinning system 1 passes through the yarn guide ring 2 and passes between the two rollers 3 and 4, it will be subjected to drafting. draft ratio V F :V B Just equal to the speed ratio of front and back roller 4 and 3. But it should be noted that the elongation of the yarn is not equal to the draft ratio, so this draft ratio is only a nominal value. For example, for 16S pure cotton rotor-spun yarn, when subjected to a draft ratio of 1.2, its elongation is only 2%-3%.

[0029] see Figure 5 and Figure 7 , the devi...

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 device which can improve the structure performance of OE yarn and its final product includes one front roller and one back roller. The rotating speed of back roller (VB) is lower than that of front roller (VF). The device and method can be applied in free end spinning system and especicially in revolving-cup spinning system and their post-producing process. The present invention can decrease the diameter of yarn, raise its density and Young's modulus, raise its strength and improve its hand feedling and appearance.

Description

technical field [0001] The present invention relates to open-end spinning technology, especially the improvement of rotor-spun yarn spinning technology, and more particularly, to a device and method for treating yarn for improving the properties of open-end yarn and its fabric. Background technique [0002] Figures 1A and 1B are images of typical ring-spun and rotor-spun yarns made from the same fiber, respectively. Rotor spinning is a new type of open-end spinning technology, which is a kind of open-end spinning technology. In this process, the yarn is twisted by rotating the spinning rotor. Because this process eliminates the tedious roving winding process, the productivity is miraculously greatly improved, which makes it possible to realize the full automation of spinning production and greatly saves labor. Therefore, it is one of the most likely to replace ring spinning among various new spinning processes. However, since this spinning method was introduced in the 196...

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): D01H4/08D01H5/22
Inventor 胡金莲蒋秀英
Owner 胡金莲