特殊外观结构赛络花式纱的后区牵伸及成纱结构分析

doi:10.13475/j.fzxb.20200705005

纺织学报 ›› 2021, Vol. 42 ›› Issue (03): 77-81.doi: 10.13475/j.fzxb.20200705005

特殊外观结构赛络花式纱的后区牵伸及成纱结构分析

阮丽¹, 孙荣基¹, 刘基宏¹, 李永贵²

1.生态纺织教育部重点实验室(江南大学), 江苏无锡 214122
2.纺织服装福建省高校工程研究中心, 福建福州 350108

收稿日期:2020-07-20 修回日期:2020-12-04 出版日期:2021-03-15 发布日期:2021-03-17
作者简介:阮丽(1990—),女,硕士生。主要研究方向为纺纱新技术。
基金资助:
中央高校基本科研业务费专项资金资助项目(JUSRP52007A);纺织服装福建省高校工程研究开放基金资助项目(MJFZ18107)

Analysis of back draft effect and yarn structure of Siro fancy yarn with special appearance structure

RUAN Li¹, SUN Rongji¹, LIU Jihong¹, LI Yonggui²

1. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
2. Engineering Research Center of Textile and Clothing of Fujian Province University, Fuzhou, Fujian 350108, China

Received:2020-07-20 Revised:2020-12-04 Online:2021-03-15 Published:2021-03-17

摘要/Abstract

摘要：

为开发新型花式纱,在细纱机上采用刻有凹槽的后罗拉上胶辊纺制赛络花式纱。分析了此花式纱用胶辊对后钳口须条的受力及成纱结构,在TH598J细纱机上采用切断称重法测得胶辊转动1周从中罗拉输出的须条的质量分布,分别得到正常胶辊和花式纱用胶辊输出须条的质量分布,并由牵伸倍数公式分别获得正常胶辊和花式纱用胶辊的后区牵伸变化曲线,同时对成纱线密度进行分析,从而探究此花式纱的成纱外观结构变化。结果表明:刻有凹槽的胶辊使得后区牵伸倍数由正常逐渐降为1再逐渐增大到正常,通过凹槽的这段须条对其前后一段须条的牵伸产生影响,使之牵伸倍数从正常开始减小,从而使成纱线密度也呈现增减变化,获得了一种特殊外观结构的赛络花式纱。

关键词: 胶辊, 后区牵伸, 滑溜牵伸, 花式纱线, 赛络纺, 纺纱

Abstract:

In order to develop a new type of fancy yarn, the grooved back-top roller was used on the spinning frame, and the force of the rear nip strand of fibers and yarn structure with the fancy rubber-covered roll were analyzed. Tested on the TH598J spinning frame, the mass distribution of the whiskers output from the middle roller after one rotation of the tuber roller was measured by the cut-off weighing method, and the mass distribution of the whiskers output from the normal rubber roller and the fancy yarn rubber roller was obtained respectively. The draft curve of the back zone of normal rubber roller and fancy yarn rubber roller is obtained respectively by the draft formula, at the same time the density of the formed yarn analyzed, so as to explore the change of the appearance structure of this fancy yarn. The results indicate that the grooved rubber roller gradually reduces the draft ratio of the rear zone from normal to 1 and then gradually increases to normal. The section of the strand of fibers passing through the groove affects the draft of the front and back sections of the strand of fibers. The draft ratio is reduced from normal, so that the yarn density also changes, and a new type of Siro fancy yarn with a special appearance structure is obtained.

Key words: rubber-covered roll, back draft, slipping draft, fancy yarn, Siro-spinning, spinning

中图分类号:

TS104.7

阮丽, 孙荣基, 刘基宏, 李永贵. 特殊外观结构赛络花式纱的后区牵伸及成纱结构分析[J]. 纺织学报, 2021, 42(03): 77-81.

RUAN Li, SUN Rongji, LIU Jihong, LI Yonggui. Analysis of back draft effect and yarn structure of Siro fancy yarn with special appearance structure[J]. Journal of Textile Research, 2021, 42(03): 77-81.

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工艺参数	设定值
总牵伸倍数	29
后区牵伸倍数	1.6
后区罗拉中心距/mm	60
前罗拉转速/(r·min^-1)	130
钳口隔距/mm	3.5
后罗拉上胶辊直径/mm	30

特殊外观结构赛络花式纱的后区牵伸及成纱结构分析

Analysis of back draft effect and yarn structure of Siro fancy yarn with special appearance structure

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