目录
摘 要..............................................................................................................................................I
Abstract ...........................................................................................................................................II
1 绪论 ..............................................................................................................................................1
1.1 设计任务................................................................................................................................2
课题内容..................................................................................................................................2
1.1.2 工艺要求 ...............................................................................................................................2
控制要求..................................................................................................................................3
1.1.4 课题要求........................................................................................................................3
2 总体设计方案 ..............................................................................................................................4
2.1 灌装机灌装方法的选择........................................................................................................4
2.2 定量灌装............................................................................................................................5
2.3 饮料灌装流水线的根本结构................................................................................................5
2.4 瓶子的输送............................................................................................................................5
2.5 次品的别离 ...............................................................................................................................5
3 电气控制系统设计 ......................................................................................................................6
3.2 选择电器元件........................................................................................................................7
3.3 流水线灌装的工作原理......................................................................................................10
3.4 系统流程图..........................................................................................................................10
3.5 电控系统与原理图设计......................................................................................................12
4 PLC 设计....................................................................................................................................14
4.1 PLC 的结构、特点及工作原理介绍..............................................................................14
4.2 选择 PLC..........................................................................................................................15
4.3 I/O 点的编号分配和 PLC 外部接线图..............................................................................16
4.4 控制面板图..........................................................................................................................17
4.5 程序设计原那么及方法..................................................................................................18
4.6 梯形图..................................................................................................................................19
4.7 说明 ........................................................................................................................................21
5 调试过程及结果 ........................................................................................................................22
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