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高精度挤出橡胶在线定重分剪机设计与启停抑振控制研究 被引量:1

Design and start-stop anti-vibration control of high-precision extruded rubber on-line weighing and shearing machine
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摘要 针对挤出橡胶定重分剪生产效率低、操作者劳动强度大、定重精度低等问题,对挤出橡胶的特性、刀具的结构特点、刀片的旋转角度等方面进行了研究,对分剪过程中刀具、刀片的运动轨迹和产生的运动振动进行了控制,设计了一种基于PLC的挤出橡胶分剪机。利用步进电机驱动两同轴反向转动刀片,实现了对挤出橡胶条的自动分剪;同时,提出了一种基于PLC的电机加减速启停抑振算法;在该算法的基础上建立了PLC输出脉冲频率数据库。研究结果表明:该系统能连续自动地定重分剪被挤出的橡胶条,能够实现PLC输出脉冲频率的高实时调用,实现挤出橡胶的高精度称量、分剪。 Aiming at the problems of low production efficiency,high labor intensity and low weighing accuracy in the weighing and shearing of extruded rubber,the characteristics of extruded rubber,the cutter structure feature and the blade rotation angle were studied,and the motion track and vibration of the cutter blades in the process of shearing was controlled.Driven by stepping motor and the coaxial reverse rotation of two blades to realize the automatic shearing of extruded rubber strip,a kind of extruded rubber shearing machine based on PLC was designed and a start-stop anti-vibration algorithm for the motor acceleration and deceleration based on PLC was proposed.On the basis of this algorithm,the PLC output pulse frequency database was established.The results indicate that the system can weigh and shear the extruded rubber strip continuously and automatically,realize the high real-time call of the PLC output pulse frequency,and realize the high-precision weighing and shearing of the extruded rubber.
作者 王嘉恩 聂晓根 WANG Jia-en;NIE Xiao-gen(School of Mechanical Engineering and Automation,Fuzhou University,Fuzhou 350108,China)
出处 《机电工程》 CAS 北大核心 2020年第6期647-652,共6页 Journal of Mechanical & Electrical Engineering
基金 国家自然科学基金资助项目(51405084)。
关键词 橡胶分剪 加减速算法 PLC控制 抑振控制 rubber shear acceleration and deceleration algorithm PLC control anti-vibration control
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