传统型与自捻型喷气涡流纺的对比
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摘要
针对喷气涡流纺纱技术气流加捻过程中落纤率较高导致纱线细节较多以及纱线结构中芯纤维平行伸直导致纱线强力较低的问题,提出自捻型喷气涡流纺纱技术,依据动摩擦原理,采用镭射激光加工处理,增大自由端纤维与空心锭接触面之间的动摩擦力,实现纤维在空心锭表面旋转运动过程中自身发生扭转后包缠到纱线中,增大纤维间的抱合力。同时基于流体力学模拟和样纱试纺实验,对比分析了传统型喷气涡流纺和自捻型喷气涡流纺空心锭结构参数、喷嘴内部近壁面处的流场特征和纱线结构性能,验证了自捻型喷气涡流纺纱技术的可行性。
In the air-jet twisting process of the conventional jet vortex spinning,the higher ratio of dropping fiber causes more thin places in the yarn. And because of the core fibers in the yarn are parallel and straighten,the yarn strength is lower. This paper proposed the self twist jet vortex spinning. It improves the ingot surface of hollow spindle by laser processing to increase the surface friction resistance between the hollow spindle of self twist jet vortex spinning and the tail end of fiber. The tail end of fiber rolls and self twists,and then is wound into the yarn body. The self twist of the fiber will increase the friction and the cohesion between the fibers in the yarn,which improves the strength of the yarn. This paper analyzed conventional jet vortex spinning and self twist jet vortex spinning comparatively from the three aspects of the hollow spindle structure,the airflow distribution inside the nozzle,and the yarn performance based on fluid dynamics simulation and sample yarn spinning test. The research result verifies the feasibility and superiority of the self twist jet vortex spinning.
In the air-jet twisting process of the conventional jet vortex spinning,the higher ratio of dropping fiber causes more thin places in the yarn. And because of the core fibers in the yarn are parallel and straighten,the yarn strength is lower. This paper proposed the self twist jet vortex spinning. It improves the ingot surface of hollow spindle by laser processing to increase the surface friction resistance between the hollow spindle of self twist jet vortex spinning and the tail end of fiber. The tail end of fiber rolls and self twists,and then is wound into the yarn body. The self twist of the fiber will increase the friction and the cohesion between the fibers in the yarn,which improves the strength of the yarn. This paper analyzed conventional jet vortex spinning and self twist jet vortex spinning comparatively from the three aspects of the hollow spindle structure,the airflow distribution inside the nozzle,and the yarn performance based on fluid dynamics simulation and sample yarn spinning test. The research result verifies the feasibility and superiority of the self twist jet vortex spinning.
引文
[1]BECEREN Y,NERGIS B U.Comparison of the effects of cotton yarns produced by new,modified and conventional spinning systems on yarn and knitted fabric performance[J].Textile Research Journal,2008,78(4):297-303.
[2]俞兆昇.喷气涡流纺纱方法研究[D].上海:东华大学,2006:37-48.YU Zhaosheng.Study of jet vortex spinning method[D].Shanghai:Donghua University,2006:37-48.
[3]BASAL G,OXENHAM W.Effects of some process parameters on the structure and properties of vortex spun yarn[J].Textile Research Journal,2006,76(6):492-499.
[4]TYAGI G K,SHARMA D,SALHOTRA K R.Processstructure-property relationship of polyester-cotton MVS yarns:part I:influence of processing variables on yarn structural parameters[J].Indian Journal of Fibre&Textile Research,2004,29:419-428.
[5]ORTLEK H G,NAIR F,KILIK R,et al.Effect of spindle diameter and spindle working period on the properties of 100%viscose MVS yarns[J].Fibers&Textiles in Eastern Europe,2008,16(3):17-20.
[6]李永霞.喷气涡流纺研究[D].上海:东华大学,2005:75-85.LI Yongxia.Jet vortex spinning research[D].Shanghai:Donghua University,2005:75-85.
[7]李永霞.喷气涡流纺初探[J].纺织导报,2005(8):69-71.LI Yongxia.Jet vortex spinning exploration[J].China Textile Leader,2005(8):69-71.
[8]LIU Yong,XU Lan.Controlling air vortex in air-vortex spinning by Zeng-He mode[J].International Journal of Nonlinear Sciences and Numerical Simulation,2006,7(4):389-392.
[9]GUO Huifen,AN Xianglong,YU Zhaosheng,et al.A numerical and experimental study on the effect of the cone angle of the spindle in murata vortex spinning macgine[J].ASME Journal of Fluids Engineering,2008,130(3):1-5.
[10]ZOU Zhuanyong,LIU Shirui,ZHENG Shaoming,et al.Numerical computation of a flow field affected by the process parameters of murata vortex spinning[J].Fibres&Textile in Eastern Europe,2010,18(2):35-39.
[11]薛文良,程隆棣,俞建勇,等.喷气涡流纺专用自捻空心锭:101476180[P].2009-07-08.XUE Wengliang,CHENG Longdi,YU Jianyong,et al.Special self-twist hollow spindle of jet vortex spinning:101476180[P].2009-07-08.
[12]周双喜.喷气涡流纺强力影响因素及其相关技术的研究[D].上海:东华大学,2011:56-72.ZHOU Shuangxi.Study of jet vortex spinning strength factors and related technologies[D].Shanghai:Donghua University,2011:56-72.
[13]温诗铸,黄平.摩擦学原理[M].北京:清华大学出版社,2012:32-45.WEN Shizhu,HUANG Ping.Principles of Tribology[M].Beijing:Tsinghua University Publishers,2012:32-45.
[14]竺韵德,邹专勇,俞建勇,等.气流槽聚型集聚纺纱系统三维流场的数值研究[J].东华大学学报(自然科学版),2009,35(3):294-298.ZHU Yunde,ZOU Zhuanyong,YU Jianyong,et al.Numerical study of three-dimensional flow field in compact spinning system with inspiratory groove[J].Journal of Donghua University(Natural Science Edition),2009,35(3):294-298.
[15]邹专勇,汪燕,俞建勇,等.网格圈集聚纺纱系统三维流场表征与分析[J].纺织学报,2009,30(6):24-28.ZOU Zhuanyong,WANG Yan,YU Jianyong,et al.Characterization and analysis of three-dimensional flow field in compact spinning with lattice apron[J].Journal of Textile Research,2009,30(6):24-28.
[16]傅培花,程隆棣,王善元,等.Hi-scope视频显微镜系统在研究紧密纺纱线结构中的应用[J].国际纺织导报,2006(3):27-32.FU Peihua,CHENG Longdi,WANG Shanyuan,et al.Application of Hi-scope video microscope system in the study of compact yarn structure[J].Melliand China,2006(3):27-32.
[17]郭鹏辉.电子单纱强力仪应用实践及性能分析[J].纺织器材,2012(2):117-121.GUO Penghui.Application practice and performance analysis of electronic yarn strength tester[J].Textile Accessories,2012(2):117-121.
[18]徐世栋,王兟.两种评定纱线条干均匀度技术的分析[J].棉纺织技术,2002,30(12):29-31.XU Shidong,WANG Xi.Discussion on two methods evaluation yarn evenness[J].Cotton Textile Technology,2002,30(12):29-31.
[2]俞兆昇.喷气涡流纺纱方法研究[D].上海:东华大学,2006:37-48.YU Zhaosheng.Study of jet vortex spinning method[D].Shanghai:Donghua University,2006:37-48.
[3]BASAL G,OXENHAM W.Effects of some process parameters on the structure and properties of vortex spun yarn[J].Textile Research Journal,2006,76(6):492-499.
[4]TYAGI G K,SHARMA D,SALHOTRA K R.Processstructure-property relationship of polyester-cotton MVS yarns:part I:influence of processing variables on yarn structural parameters[J].Indian Journal of Fibre&Textile Research,2004,29:419-428.
[5]ORTLEK H G,NAIR F,KILIK R,et al.Effect of spindle diameter and spindle working period on the properties of 100%viscose MVS yarns[J].Fibers&Textiles in Eastern Europe,2008,16(3):17-20.
[6]李永霞.喷气涡流纺研究[D].上海:东华大学,2005:75-85.LI Yongxia.Jet vortex spinning research[D].Shanghai:Donghua University,2005:75-85.
[7]李永霞.喷气涡流纺初探[J].纺织导报,2005(8):69-71.LI Yongxia.Jet vortex spinning exploration[J].China Textile Leader,2005(8):69-71.
[8]LIU Yong,XU Lan.Controlling air vortex in air-vortex spinning by Zeng-He mode[J].International Journal of Nonlinear Sciences and Numerical Simulation,2006,7(4):389-392.
[9]GUO Huifen,AN Xianglong,YU Zhaosheng,et al.A numerical and experimental study on the effect of the cone angle of the spindle in murata vortex spinning macgine[J].ASME Journal of Fluids Engineering,2008,130(3):1-5.
[10]ZOU Zhuanyong,LIU Shirui,ZHENG Shaoming,et al.Numerical computation of a flow field affected by the process parameters of murata vortex spinning[J].Fibres&Textile in Eastern Europe,2010,18(2):35-39.
[11]薛文良,程隆棣,俞建勇,等.喷气涡流纺专用自捻空心锭:101476180[P].2009-07-08.XUE Wengliang,CHENG Longdi,YU Jianyong,et al.Special self-twist hollow spindle of jet vortex spinning:101476180[P].2009-07-08.
[12]周双喜.喷气涡流纺强力影响因素及其相关技术的研究[D].上海:东华大学,2011:56-72.ZHOU Shuangxi.Study of jet vortex spinning strength factors and related technologies[D].Shanghai:Donghua University,2011:56-72.
[13]温诗铸,黄平.摩擦学原理[M].北京:清华大学出版社,2012:32-45.WEN Shizhu,HUANG Ping.Principles of Tribology[M].Beijing:Tsinghua University Publishers,2012:32-45.
[14]竺韵德,邹专勇,俞建勇,等.气流槽聚型集聚纺纱系统三维流场的数值研究[J].东华大学学报(自然科学版),2009,35(3):294-298.ZHU Yunde,ZOU Zhuanyong,YU Jianyong,et al.Numerical study of three-dimensional flow field in compact spinning system with inspiratory groove[J].Journal of Donghua University(Natural Science Edition),2009,35(3):294-298.
[15]邹专勇,汪燕,俞建勇,等.网格圈集聚纺纱系统三维流场表征与分析[J].纺织学报,2009,30(6):24-28.ZOU Zhuanyong,WANG Yan,YU Jianyong,et al.Characterization and analysis of three-dimensional flow field in compact spinning with lattice apron[J].Journal of Textile Research,2009,30(6):24-28.
[16]傅培花,程隆棣,王善元,等.Hi-scope视频显微镜系统在研究紧密纺纱线结构中的应用[J].国际纺织导报,2006(3):27-32.FU Peihua,CHENG Longdi,WANG Shanyuan,et al.Application of Hi-scope video microscope system in the study of compact yarn structure[J].Melliand China,2006(3):27-32.
[17]郭鹏辉.电子单纱强力仪应用实践及性能分析[J].纺织器材,2012(2):117-121.GUO Penghui.Application practice and performance analysis of electronic yarn strength tester[J].Textile Accessories,2012(2):117-121.
[18]徐世栋,王兟.两种评定纱线条干均匀度技术的分析[J].棉纺织技术,2002,30(12):29-31.XU Shidong,WANG Xi.Discussion on two methods evaluation yarn evenness[J].Cotton Textile Technology,2002,30(12):29-31.