基于PLC的高强钢筋定长切断机控制系统设计
宋佳秋，贾婉君
（燕山大学 工程训练中心，河北 秦皇岛 066004）
摘要：设计了高强钢筋切断机的整体结构，对其定长系统和切断系统的设计方案进行了详细介绍，包括各部分的功能及工作原理，确定了切断机构液压系统的工作参数。从技术需求出发，设计了切断机的控制系统，规划了控制流程，完成了电路元器件的选型和PLC程序的编制。实现了钢筋自动定长切断，可设定实时牵引速度显示，故障报警、自动换刀等多种功能，自动化程度高。在理论和设计计算的基础上，进行了样机的试制，该样机实现了机电液一体化，改善了传统牵引速度慢、定尺精度误差大等缺点。
关键词：PLC控制；定长切断机；高强钢筋
中图分类号：TU649 文献标志码：A doi：10.3969/j.issn.1006-0316.2018.04.015
文章编号：1006－0316 (2018) 04－0063－04
Design on Control System of the High-Strength Steel Bar Fixed Length Shear Based on PLC
SONG Jiaqiu，JIA Wanjun
( Engineering Training Center, Yanshan University, Qinhuangdao 066004, China )
Abstract：In this paper, the overall structure of high-strength steel bar is designed, the design scheme of its fixed-length system and cutting system is introduced in detail, including function and working principle of each part, and then the working parameters of the hydraulic system are determined. From the technical requirement, the control system is designed, the control flow is programmed, the selection of the circuit components and the programming of PLC are completed. Automatic fixed-length and cutting can be realized, real-time traction speed display, fault alarm, automatic knife changing and other functions can be set up, and automatic level is high. On the basis of theory analysis and design calculation, a prototype is made, it realizes the integration of electromechanical fluid, the shortcomings of the conventional traction speed and the error of the fixed ruler precision are improved.
Key words：PLC control；fixed-length shear；high-strength steel bar
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收稿日期：2017－09－15
基金项目：秦皇岛市科学技术研究与发展计划项目（201502A007）
作者简介：宋佳秋（1983－），女，黑龙江佳木斯人，硕士研究生，实验师，主要研究方向为复杂网络同步与控制、PLC控制理论应用。
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