纺织学报 ›› 2012, Vol. 33 ›› Issue (9): 130-134.

• 机械与器材 • 上一篇    下一篇

基于伺服控制和曲柄连杆滑块机构的导纱系统

王恒刚1 胡克勤1 郭吉丰1,2   

  1. 1. 浙江省现代纺织工业研究院
    2. 浙江大学电气工程学院
  • 收稿日期:2011-08-29 修回日期:2012-06-02 出版日期:2012-09-15 发布日期:2012-09-05
  • 通讯作者: 郭吉丰 E-mail:gjf@zju.edu.cn

Yarn-guiding system based on servo control and crank-link mechanism

  • Received:2011-08-29 Revised:2012-06-02 Online:2012-09-15 Published:2012-09-05

摘要: 本文针对目前电子控制导纱系统存在的缺点,结合伺服控制技术与机械的曲柄连杆滑块机构,提出了一种全新的倍捻导纱方案。通过对曲柄连杆滑块机构的运动原理分析,建立电动机运动的数学模型,从而控制伺服电动机作变速运行,再结合导纱工艺防叠、防硬边、凸边等要求,最终实现合理的导纱往复运动。系统以PLC为核心,对电动机转动角度作实时监测,分段改变电动机转速,以保证导丝杆的稳定移动。该系统运行速度快,适应性强,机械结构简单,生产成本较低。目前已实际投产,导纱效果良好。

关键词: 导纱系统, 曲柄连杆机构, 伺服控制, 往复导纱

Abstract: For the shortcomings of the yarn-guiding system electronic controlled, a new yarn-guiding program was proposed in this paper based on the servo control technology and crank-link mechanism of machinery. A mathematical model of the motor motion is established by analyzing the principle of motion of crank-link mechanism, so as to control the servo motor makes variable motion and realize the yarn-guiding alternate motion which comply with process requirement finally Combining the requirements of anti-overlapping, hard-edge and flange prevention in process of yarn-guiding. Based on PLC, the system runs fast, adaptable,has a simple mechanical structure and lower cost, could real-time monitor the rotation angle of motor and change the motor speed step-by-step to ensure the guide bar move steadily. Now this system has been brought into use and proved to be effective in yarn-guiding.

Key words: yarn-guiding system, crank-link mechanism, servo control, to-and-fro guiding yarn

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