一种I型软管夹装配工艺及模具设计

本科毕业设计一种I型软管夹装配工艺及模具设计学院商丘工学院专业机械设计制造及其自动化学号4113010503学生姓名霍俊豪指导教师管红艳提交日期2017年5月18日编码2017-JXSJ专业代码080202-164诚信承诺书本人郑重承诺和声明:我承诺在毕业论文撰写过程中遵守学校有关规定,恪守学术规范,此毕业论文(设计)中均系本人在指导教师指导下独立完成,没有剽窃、抄袭他人的学术观点、思想和成果,没有篡改研究数据,凡涉及其他作者的观点和材料,均作了注释,如有违规行为发生,我愿承担一切责任,接受学校的处理,并承担相应的法律责任。毕业论文（设计）作者签名：年月日I摘要本课题的主要研究内容是对I型软管夹冲压模具的设计，设计包括冲裁件工艺分析、冲压工艺方案的设计以及排样方案的确定和冲压力的计算，同时可以熟悉冲压模的基本结构。这个课题的设计形状相对还是比较简单的，同时也需要从材料、精度、尺寸等方面考虑设计出不同的方案，然后找出一套最适合的方案。我在综合自己今后的工作和发展方向的因素考虑后，在这次毕业设计中我选择了预断、冲孔、折弯这一典型级进模结构进行设计，运用了CAD/CAE/CAM等一系列软件来完成工作，以此来巩固自己的专业知识。根据模具设计的基本步骤，分别进行了分析工艺、计算工艺、设计与计算主要零部件和选择冲压设备，最后对装配图和零件图进行了讨论。关键词：级进模；材料；精度；I型软管夹；工艺方案IIABSTRACTThemaincontentofthisprojectisthedesignofthestampingdieforI-typehoseclamps,designincludingprocessanalysisforblanking,stampingprocessdesignandlayoutschemeandthecalculationofblankingforce,canalsobecomefamiliarwiththebasicstructureofstampingdie.Thesubjectdesignshapeisquitesimple,alsofromthematerial,accuracy,sizeandotherconsiderationstodesigndifferentscenariosandidentifythemostappropriatesolution.Ihaveintegratedintheirfutureworkanddevelopmentdirectionofconsideration,Ichosetoprejudgeatthisgraduation,punching,bendingthetypicalprogressivediestructuredesign,usingarangeofsoftwaresuchasCAD/CAE/camtowork,inordertoconsolidatetheirknowledge.Accordingtothedesignofthebasicsteps,analyzestechnology,computingtechnology,designandcalculationofmaincomponentsandselectionofstampingequipment,andfinallytodiscusstheAssemblyandpartdrawingsKeywords:progressivedie;material;precision;TypeIhoseclamp;processPlanIII目录1引言...............................................................................................................................11.1冲压的基本概念...................................................................................................11.2模具工业在当今市场的发展状况和前景...........................................................11.3冲压工艺的基本种类...........................................................................................12冲压件工艺分析.............................................................................................................32.1冲压件材料分析...................................................................................................32.2冲压件结构工艺性分析.......................................................................................32.3模具结构形式和选材...........................................................................................42.3.1模具结构形式............................................................................................42.3.2模具原材料选择........................................................................................53确定冲压工艺方案.........................................................................................................73.1设计排样图与材料利用率的计算.......................................................................73.11排样分析......................................................................................................73.12搭边数值的选取.........................................................................................73.2确定排样图...........................................................................................................93.3材料的规格的选择：...........................................................................................93.4材料利用率的计算...............................................................................................94工艺计算.......................................................................................................................104.1冲压工艺力的计算.............................................................................................104.1.1冲裁力......................................................................................................104.1.2成型部分的成型力计算..........................................................................104.2压力中心的计算：.............................................................................................115凸、凹模间隙的确定及工作部分尺寸的计算...........................................................125.1冲裁间隙值的确定.............................................................................................125.2计算冲裁模刃口的尺寸.....................................................................................125.3凸模的设计.........................................................................................................135.3.1凸模长度计算..........................................................................................135.3.2承压应力校验..........................................................................................145.3.3抗纵向成型应力的校核..........................................................................145.4成型凸模设计.....................................................................................................155.4.1确定成型凸、凹模圆角半径及工作部分深度......................................155.4.2落料口大小的确定..................................................................................16IV5.5凹模的设计..........................................................................................................165.5.1凹模孔口的形式及其主要参数...................................