饮料罐装生产流水线PLC控制系统设计.doc

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1、2012~2013学年第一学期《电气控制及PLC》课程设计报告题目：饮料罐装生产流水线的PLC控制专业：电气工程及其自动化班级：09电气工程及其自动化姓名：金雨、邬鹏、吴东升、吴庆利指导教师：江春红铁玲电气工程系2012年11月2日课题名称饮料罐装生产流水线的PLC控制指导教师（职称）执行时间2012~2013学年第1学期第12周学生学号承担任务金雨0909141058查找资料及提出问题邬鹏0909141059利用PLC画出梯形图及指令图吴东升0909141060编写程序吴庆利0909141061画出原理图及I/

2、O配置接线图设计目的1、了解饮料罐装生产流水线的PLC控制的设计原理。2、掌握饮料罐装生产流水线的PLC控制的设计方法。3、加深理解PLC的程序编写4、学会熟练掌握应用PLC画出梯形图及指令图设计要求1.设计出硬件系统的结构图、接线图、时序图等；2.系统有启动、停止功能；3.运用功能指令进行PLC控制程序设计，并有主程序、子程序和中断程序；4.程序结构与控制功能自行创新设计；5.进行系统调试，实现饮料罐装生产流水线的PLC控制要求。摘要饮料罐装生产流水线的PLC控制：文章探讨了如何利用日本三菱PLC进行饮料灌装生

3、产流水线的控制，重点分析了系统软硬件设计部分，并给出了系统硬件接线图、PLC控制I/O端口分配表以及整体程序流程图等，实现了饮料灌装的自动化，提高了生产效率，降低了劳动强度。传统的饮料罐装生产线的电气设备控制系统是传统的继电器——接触器控制方式,在使用的过程中，生产工效低，人机对话靠指示灯+按钮+讯响器的工作方式，响应慢，故障率高，可靠性差，系统的工作状态、故障处理、设备监控与维护只能凭经验被动的去查找故障点。且在生产过程中容易产生二次污染，造成合格率低，生产成本增加。而自动化生产线在众多领域应用得非常广泛，其控

4、制部分常常采用PLC控制，它使自动化生产线运行更加平稳，定位更加准确，功能更加完善，操作更加方便。关键词：PLC；自动化饮料灌装生产线；系统硬件接线图；I/O端；分配表目录一、系统概况··········································51、生产工艺及流程······································5二、设计任务··········································51、课题容······················

5、·····················52、控制要求···········································53、课题要求···········································5三、总体设计方案·······································61、饮料灌装流水线的基本结构······························62、选择电器元件····································

6、····73、流水线灌装的工作原理·································84、系统流程图··········································9四、电气控制电路设计····································101、电控系统与原理图设计·································10五、PLC设计···········································111、选择PLC····

7、········································112、I/O点的编号分配和PLC外部接线图·······················123、控制面板图·········································124、梯形图·············································135、指令表·············································16六、结论··············

8、································19参考书目··············································19正文一、系统概况饮料灌装生产流水线是指按一定控制要求将有关驱动电机、电气控制装置、检测装置等组合为一体的多功能自动控制装置。本系统电镀生产线采用了传送带，传送带用一台电动机控制，同时用变频器对电机平滑调