目 录
第一章 绪论 ........................................................................................................................1
1.1 自动药片装瓶机的研究发展状况 ...............................................................................1
1.2 自动药片装瓶机的研究目的及意义 ...........................................................................2
第二章 系统总体方案设计 ................................................................................................3
2.1 系统设计综述 ...............................................................................................................3
2.1.1 系统设计要求 ............................................................................................................3
2.1.2 工作原理方框图 ........................................................................................................4
2.2 系统的设计方案 ...........................................................................................................4
第三章 系统硬件设计 ........................................................................................................6
3.1 PLC 机型的选择............................................................................................................6
3.1.1 PLC 简介.....................................................................................................................6
3.1.2 系统 PLC 机型选择...................................................................................................8
3.2 PLC 外围电路器件的选择..........................................................................................11
3.2.1 光电式传感器 ..........................................................................................................11
3.2.2 步进电动机 ..............................................................................................................13
3.2.3 装药机构 ..................................................................................................................15
3.2.4 带式皮带机 ..............................................................................................................16
3.2.5 电磁阀 ......................................................................................................................17
3.3 供盖封盖模块 .............................................................................................................18
3.4 控制系统方框图 .........................................................................................................18
第四章 系统软件设计 ......................................................................................................21
4.1 PLC I/O 口的分布 .......................................................................................................21
4.2 程序设计流程图 .........................................................................................................22
4.3 程序设计梯形图 .........................................................................................................23
