江阴职业技术学院毕业设计说明书课题：天然气防泄漏卡子复合模设计专题：专业：模具设计与制造学生姓名：王鹏班组：13模具(1)班学号：13020306指导教师：蒋晓敏、朱丽平I完成时间：2015年12月20日摘要本设计主要介绍了天然气防泄漏卡子冲压模具的设计过程。通过对零件进行工艺分析、确定冲压工艺方案及模具结构形式，然后进行排样设计、压力中心计算、冲裁力计算、工作零件刃口尺寸的计算等，最后通过AutoCAD绘制天然气防泄漏卡子冲压模具装配总图和零件图。关键词：天然气防泄漏卡子；冲压模具；设计ABSTRACTTHISDESIGNMAINLYINTRODUCESTHEDESIGNPROCESSOFTHENATURALGASLEAKCLIPSTAMPINGDIE.THROUGHPARTSOFTHEPROCESSANALYSIS,TODETERMINETHESTAMPINGPROCESSSCHEMEANDDIESTRUCTUREANDLAYOUTDESIGN,THEPRESSURECENTERCALCULATION,CALCULATIONOFBLANKINGFORCE,CALCULATIONOFTHESIZEOFTHECUTTINGEDGEOFTHEWORKINGPARTS,FINALLYTHROUGHTHEAUTOCADDRAWINGNATURALGASLEAKPROOFCLIPSTAMPINGDIEASSEMBLYDRAWINGSANDPARTDRAWINGS.KEYWORDS:NATURALGASLEAKCLIP;STAMPINGDIE;DESIGNIII目录1绪论..............................................................12冲裁件工艺分析....................................................32.1零件说明.......................................................32.2材料分析.......................................................32.3零件结构.......................................................32.4尺寸精度.......................................................43冲裁方案的确定....................................................53.1冲裁工艺方案的确定.............................................53.2冲裁工艺方法的选择.............................................54模具总体结构的确定................................................74.1模具类型的选择.................................................74.2送料方式的选择.................................................74.3定位方式的选择.................................................74.4导向方式的选择.................................................84.5卸料、出件方式的选择...........................................85工艺参数计算.....................................................105.1排样方式的选择................................................105.1.1搭边值的确定..............................................115.1.2材料利用率的确定..........................................135.2冲压力的计算..................................................145.2.1总冲裁力的计算............................................14IIIII5.2.2卸料力、推件力的计算......................................155.2.3总冲压力的计算............................................165.2.4初选压力机................................................165.2.5压力中心的确定............................................176刃口尺寸计算.....................................................206.1冲裁间隙的确定...............................................206.2刃口尺寸的计算及依据与法则......................................217主要零部件设计...................................................267.1凹模设计......................................................267.1.1凹模外形的确定............................................267.1.2凹模刃口结构形式的选择....................................267.1.3凹模精度与材料的确定......................................267.2凸模的设计....................................................297.2.1凸模结构的确定............................................297.2.2凸模材料的确定............................................297.2.3凸模精度的确定....
