四工位卧式回转刀架讲解.doc

目 录 第1章 设计任务 1.1 设计总体任务·······················································3 1.2 设计参数···························································3 1.3 设计内容···························································3 1.4 设计任务···························································3 第2章 概述····························································4 第3章 总体设计方案·················································5 3.1 减速传动机构的设计··················································5 3.2 上刀锁紧与精定位机构的设计··········································5 3.3 刀架抬起机构的设····················································5 第4章 自动回转刀架的工作原理····································6 4.1自动回转刀架的换刀流程··············································6 4.2换刀过程中有关销的位置··············································7 4.3回转刀架换刀 5.4.3滚动轴承的配合··················································16 5.4.4滚动轴承的密封··················································16 第6章 电气控制部分设计·············································17 6.1 控制芯片及I/O接口芯片的选型·········································17 6.1.1 8051单片机介绍···················································18 6.1.2 可编程I/O芯片8255A介绍··········································18 6.2 传感器选型····························································21 6.2.1 霍尔效应及霍尔元件···············································21 6.3 硬件电路设计··························································22 6.3.1 发信电路···························································23 6.3.2 收信电路····························································23 6.3.3 延时锁紧电路························································25 6.3.4 复位电路·····························································25 6.4 控制软件设计·····························································26 第7章 总结····························································32 第8章 参考文献·······················································33 第1章 设计任务 一．设计任务 题目：数控车床自动回转刀架机电系统设计 任务：设计一台四工位的卧式自动回转刀架，适用于C616或C6132经济型数控车床。 二．设计参