CN203346561U - 喷气织机弹力纱专用喷嘴芯子 - Google Patents

喷气织机弹力纱专用喷嘴芯子 Download PDF

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CN203346561U
CN203346561U CN 201320375283 CN201320375283U CN203346561U CN 203346561 U CN203346561 U CN 203346561U CN 201320375283 CN201320375283 CN 201320375283 CN 201320375283 U CN201320375283 U CN 201320375283U CN 203346561 U CN203346561 U CN 203346561U
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weft yarn
nozzle core
nozzle
jet loom
blown
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李华辉
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Jihua 3542 Textile Co Ltd
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Jihua 3542 Textile Co Ltd
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Abstract

一种喷气织机弹力纱专用喷嘴芯子,用于纺织生产织造技术领域。主喷嘴内安装有喷嘴芯子,所述喷嘴芯子的引纬口顶端为锯齿倒刺结构。本实用新型由于喷嘴芯子的引纬口顶端为锯齿倒刺结构,在纬纱回弹时可以挂住纬纱,以防止纬纱因内部弹力丝的回弹力被拉出主喷嘴;可以实现防止纬纱因长时间受常喷气流的吹动,导致纬纱退捻,被常喷气流吹断,以及在引纬时被工作气流吹断的发生,在主喷嘴引纬间隙,主喷嘴无需常喷气流工作。

Description

喷气织机弹力纱专用喷嘴芯子
技术领域
本实用新型涉及纺织生产织造技术领域,具体说是一种喷气织机弹力纱专用喷嘴芯子。 
背景技术
目前,喷气织机使用弹力纱作纬纱的弹力织物越来越多,当喷气织机的主喷嘴不喷射引纬时,纬纱因弹力丝的回弹,会使纬纱从主喷嘴中拉出,导致下一次投纬不能正常引纬。目前通用的解决办法是在主喷嘴不引纬时,仍然向主喷嘴提供常喷气压,由常喷气流吹动纬纱受力,使纬纱不回弹,从而使下一次投纬能够正常引纬。这种方法的缺点是:①、由于弹力纱在主喷嘴中不停的受到常喷气流的吹动,导致纱线退捻,易被常喷气流吹断,或者在引纬时被工作气流吹断,导致停车,影响开台效率;②、由于主喷嘴必须有较大气压的常喷气流不停的吹动,在不引纬时仍然向主喷嘴提供常喷气压,导致喷气织机耗气量大大增加。 
发明内容
为克服现有技术的不足,本实用新型的发明在于提供一种喷气织机弹力纱专用喷嘴芯子,以实现提高弹力布开台效率及节约能耗的目的。 
为实现上述目的,本实用新型的主喷嘴内安装有喷嘴芯子,所述喷嘴芯子的引纬口顶端为锯齿倒刺结构。 
本实用新型与现有技术相比,由于喷嘴芯子的引纬口顶端为锯齿倒刺结构,在纬纱回弹时可以挂住纬纱,以防止纬纱因内部弹力丝的回弹力被拉出主喷嘴;可以实现防止纬纱因长时间受常喷气流的吹动,导致纬纱退捻,被常喷气流吹断,以及在引纬时被工作气流吹断的发生,在主喷嘴引纬间隙,主喷嘴无需常喷气流工作。 
附图说明
图1是本实用新型结构简图。 
具体实施方式
如图1所示,主喷嘴5内安装有喷嘴芯子1,所述喷嘴芯子1的引纬口顶端为锯齿倒刺结构2。工作时,在主喷嘴5内形成高压气流4,带动纬纱3吹出主喷嘴5,引纬完成后,纬纱3被剪刀剪断,由于没有工作气流的吹动及常喷气流的拉力,受到纬纱中弹力丝的回弹拉力,纬纱3将反方向运动。由于喷嘴芯子1的顶端为锯齿倒刺结构2,在纬纱3回弹时,被锯齿倒刺挂住,阻止了纬纱3从喷嘴芯子1中被拉出。由于纬纱3被锯齿倒刺挂住,且没有常喷气流的工作,纬纱3不会出现摆动,可减少纱线退捻的情况发生。 

Claims (1)

1.一种喷气织机弹力纱专用喷嘴芯子,主喷嘴(5)内安装有喷嘴芯子(1),其特征在于:所述喷嘴芯子(1)的引纬口顶端为锯齿倒刺结构(2)。
CN 201320375283 2013-06-27 2013-06-27 喷气织机弹力纱专用喷嘴芯子 Expired - Fee Related CN203346561U (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104164735A (zh) * 2014-08-08 2014-11-26 浙江理工大学 一种进气旋度及进气流量连续可调的喷气织机主喷嘴
CN106167947A (zh) * 2016-08-31 2016-11-30 山东日发纺织机械有限公司 一种喷气织机弹力纱喷芯

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104164735A (zh) * 2014-08-08 2014-11-26 浙江理工大学 一种进气旋度及进气流量连续可调的喷气织机主喷嘴
CN106167947A (zh) * 2016-08-31 2016-11-30 山东日发纺织机械有限公司 一种喷气织机弹力纱喷芯

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Granted publication date: 20131218

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CF01 Termination of patent right due to non-payment of annual fee