碳纤维织物打纬机构国内外发展综述
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为了提高织物的产量和质量,了解打纬机构的发展,从织机打纬机构的类型和增加打纬力等方面,介绍连杆式和共轭凸轮式摆动打纬机构及平行打纬机构的优缺点;简述目前各类打纬机构运动学
弭俊波,杨建成
(天津工业大学 机械工程学院;天津市现代机电装备技术重点实验室;天津市机械基础及纺织装备设计虚拟仿真实验教学中心:天津300387)
 
摘要:为了提高织物的产量和质量,了解打纬机构的发展,从织机打纬机构的类型和增加打纬力等方面,介绍连杆式和共轭凸轮式摆动打纬机构及平行打纬机构的优缺点;简述目前各类打纬机构运动学及动力学方面的研究进展。指出:连杆式打纬机构具备结构简单、制造容易、成本低、维护方便等优势,但筘座运动没有静止时间,不利于引纬,在传统低速织机上应用较为普遍;共轭凸轮式打纬机构具备更大的引纬角,筘在后心位置附近停留时间更长,为引纬提供充足的时间,不仅能实现平行打纬,且该机构响应快、输出打纬力充足,在宽幅、高速织机上应用较广,不仅能用于普通单层碳纤维织物织造,而且能满足碳纤维多层及中空织物的生产要求,适用性强。
关键词:筘;打纬机构;连杆;共轭凸轮;平行打纬;碳纤维织物
中图分类号:TS103.1    文献标志码:A    文章编号:1001-9634(2019)06-0055-05
 
收稿日期:2019-04-20
基金项目:国家科技支撑计划重点项目(2011BAF08B02)
作者简介:弭俊波 (1991—),男,河北唐山人,硕士研究生,主要从事碳纤维立体织机打纬机构方面的研究。
 
Summary of Development of Beating-up Mechanism at Home and Abroad for Carbon Fiber Fabrics
MI Junbo,YANG Jiancheng
(School of Mechanical Engineering Tianjin Polytechnic University;Advanced Mechatronics Equipment Technology Tianjin Area Major Laboratory;Designing Virtual Simulation Experimental Teaching Center of Tianjin Machinery Foundation and Textile Equipment,Tianjin 300387,China)
 
Abstract:In order to improve the output and the quality of fabrics and understand the development of beating-up mechanism,the advantages and disadvantages of connecting rod and conjugate cam of oscillating beating-up mechanism and the parallel beating-up mechanism are introduced from the types of beating-up mechanism of loom and increasing beating-up force.The current research progress in kinematics and dynamics of various types of beating-up mechanisms are briefly described.It is pointed out that the connecting rod beating-up mechanism has the advantages of simple structure,easy manufacture,low cost and convenient maintenance,but the motion of sley bar has no static time,which is not conducive to weft insertion and is widely used in traditional looms with low-speed.The conjugate cam beating-up mechanism has a larger weft insertion angle and the reed stays near the back center for a longer time,which can provide sufficient time for weft insertion,and not only can realize parallel beating-up,but also the mechanism has fast response and sufficient beating-up force.It is widely used in wide-width and high-speed looms and has strong applicability,which can not only be used for ordinary single-layer carbon fiber fabrics,but also can meet the requirements of multi-layer and hollow fabrics of carbon fibers.
Key Words:reed;beating-up mechanism;connecting rod;conjugate cam;parallel beating-up;carbon fiber fabric
 
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