目 录
摘 要..........................................................................................................................I
Abstract.......................................................................................................................II
1 绪论..........................................................................................................................3
1.1 背景及意义.....................................................................................................3
1.2 国内外现状.....................................................................................................3
1.3 主要设计内容.................................................................................................5
2 剪刀的整体结构的设计...........................................................................................6
2.1 剪刀的结构组成.............................................................................................6
2.2 气缸结构设计.................................................................................................6
2.2.1 剪切削力的计算...................................................................................6
2.2.2 气缸耗气量的计算...............................................................................8
2.2.3 数据总结...............................................................................................9
2.3 夹紧机构设计...............................................................................................10
2.3.1 夹紧机构的工作原理.........................................................................10
2.3.2 夹紧机构参数设计.............................................................................11
2.3.3 夹紧力的计算.....................................................................................15
2.3.4 数据总结.............................................................................................15
2.4 进气阀机构设计...........................................................................................16
2.5 剪刀机构设计...............................................................................................17
2.6 安全锁结构设计...........................................................................................18
2.7 本章小结.......................................................................................................19
3 剪刀刃口设计.........................................................................................................20
3.1 剪刀刃口曲线设计.......................................................................................20
3.2 剪刀的刀刃长度计算...................................................................................22
3.3 本章小结.......................................................................................................22
4 气动剪刀的可靠性.................................................................................................23
4.1 气动剪刀主要失效原因...............................................................................23
4.2 气动剪刀的可靠性分析...............................................................................24