
目 录
摘 要 ................................................................................................................................I
ABSTRACT..........................................................................................................................II
第 1 章 绪论 .......................................................................................................................1
1.1 课题背景 ................................................................................................................1
1.2 机械手的定义与分类 ............................................................................................1
1.3 机械手应用及组成结构 ........................................................................................2
1.4 机械手的发展趋势 ................................................................................................3
1.5 总体设计要求 ........................................................................................................3
第 2 章 PLC 的介绍与选择 ...............................................................................................5
2.1 PLC 的特点 .............................................................................................................5
2.2 PLC 的选型 .............................................................................................................5
2.3 三菱 FX 系列的结构功能 .....................................................................................7
第 3 章 各功能实现形式与控制方式 ...............................................................................9
3.1 本机械手模型的机能和特性 ................................................................................9
3.2 夹紧机构 ................................................................................................................9
3.3 躯干 ........................................................................................................................9
3.4 旋转编码盘 ..........................................................................................................10
第 4 章 控制系统设计 .....................................................................................................11
4.1 控制系统硬件设计 ..............................................................................................11
4.1.1 PLC 梯形图中的编程元件 ........................................................................11
4.1.2 PLC 的 I/O 分配.........................................................................................11
4.1.3 机械手控制系统的外部接线图 ...............................................................12
4.2 控制系统软件设计 ..............................................................................................13
4.2.1 公用程序 ...................................................................................................13
4.2.2 自动操作程序 ...........................................................................................15
4.2.3 手动单步操作程序 ....................................................................................20
4.2.4 回原位程序 ...............................................................................................23
4.3 PLC 程序的上载和下载 .......................................................................................25
4.3.1 PLC 程序的上载 ........................................................................................25
4.3.2 PLC 程序的下载 ........................................................................................25
第 5 章 设计小结 .............................................................................................................27
致 谢 .............................................................................................................................28
参 考 文 献 .......................................................................................................................29