Modern Manufacturing Engineering ›› 2024, Vol. 523 ›› Issue (4): 146-152.doi: 10.16731/j.cnki.1671-3133.2024.04.020

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Design of feeding and cutting control system for tubing coupling production line

LIN Sian1, WANG Jirong1,2, ZHAO Qinghai1, WANG Xinlei1, LI Jun3   

  1. 1 College of Mechanical and Electrical Engineering,Qingdao University,Qingdao 266071,China;
    2 Weihai Innovation Research Institute,Qingdao University,Weihai 264200,China;
    3 College of Computer Science and Technology,Qingdao University,Qingdao 266071,China
  • Received:2023-08-02 Online:2024-04-18 Published:2024-05-31

Abstract: In order to solve the problems of low accuracy of tubing coupling cutting and high scrap rate in the production of tubing couplings, each equipment works isolately under a low automation situation, the precise feeding unit, locking cutting unit and automatic unloading unit were optimized on the basis of the traditional steel pipe cutting equipment. The hardware and software design of the tubing coupling automatic production control system was carried out based on S7-1500 PLC, and the control logic was designed by TIA Portal, and the working status of the production line was monitored in real time by Siemens KTP1200 human-machine interaction panel to realize the coordinated control of the machine. The experiments show that the designed tubing coupling automatic production line has a high degree of automation and operates stably, which significantly improves the production efficiency and automation of tubing coupling.

Key words: precise feeding, lock cutting, automatic production line, human-machine interaction

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