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河北工程大学毕业设计I摘摘摘摘要要要要本毕业设计的题目是落料、拉深、切边模具设计，叙述了冲压的概念、特点、基本工序及应用，分析了冲压技术的现状和发展方向，说明了冲压模具的重要性。本文先对冲压件进行工艺分析，确定工艺方案，以工序少，模具结构简单，生产周期短，经济效益高为原则，选取最佳工艺方案，采用落料、拉深复合模。确定了冲压模具总体结构设计方案，进行了工艺分析与相关设计计算，包括拉深次数，排样，利用率，冲压力，拉深力等；还进行了压力机的选择及模具零件主要工作部分尺寸及公差的计算。最后，采用CAXA绘制了这一套模具的装配总图和全部非标准件的零件图。关键词：不锈钢餐盘；矩形毛坯；复合模；Dynaform模拟河北工程大学毕业设计IIABSTRACTABSTRACTABSTRACTABSTRACTThisgraduationdesignisthesubjectofblanking,drawing,trimmingdiedesign,thebasicprocessandapplicationofstampingconcepts,characteristics,narrative,analysesthepresentsituationanddevelopmentdirectionofstampingtechnology,illustratestheimportanceofstampingmould.Thispaperfirstanalysisofthetechnologyofstampingparts,determinetheprocessplan,withlessprocess,thediestructureissimple,shortproductioncycle,higheconomicbenefitastheprinciple,andchoosetheoptimumscheme,usingthecompounddieblanking,drawing,punching.Designoftheoverallstructureofthestampingdie,thecalculationanddesignprocessanalysis,includingthenumberofdrawing,layout,utilizationrate,thepressure,thedrawingforce;alsoforselectionandcalculationofmainworkingpartsofdiepartsdimensionsandtolerancesforpress.Finally,CAXAisusedtodrawtheassemblydrawingofthissetofmoldandnonstandardparts.KeywordsKeywordsKeywordsKeywords:stainlesssteelplate;rectangular;compounddie;Dynaformsimulation河北工程大学毕业设计目录目录目录目录摘要..........................................................................................................................................IABSTRACTABSTRACTABSTRACTABSTRACT..........................................................................................................................II第一章绪论........................................................................................................................11.1冲压模具现状.............................................................................................................11.2DynaForm和Ls_Dyna软件简介..........................................................................21.3课题工作内容.............................................................................................................21.4不锈钢餐盒拉深工艺的特点....................................................................................31.5课题技术要求.............................................................................................................3第二章工艺性分析及工艺方案确定...........................................................................52.1工件的工艺性分析....................................................................................................52.2工艺方案的分析与确定.............................................................................................6第三章基于DYNAFORMDYNAFORMDYNAFORMDYNAFORM的工艺仿真分析.........................................................9第四章落料拉深复合模设计.......................................................................................134.1排样...........................................................................................................................134.1.1常用排样方法...............................................................................................134.1.2排样设计及计算.........................................................................................154.2工艺力的计算...........................................................................................................154.3冲压设备选择...........................................................................................................174.4压力中心的确定.......................................................................................................184.5压力机的校验..........................................................................................................184.6模具主要零部件的设计..........................................................................................194.6.1刃口的计算...................................................................................................194.6.2拉深模设计...................................................................................................224.7模具零件...................................................................................................................244.7.1工作零件.......................................................................................................244.7.2定位零件.......................................................................................................264.7.3卸料、导料零件..........................................................................................27河北工程大学毕业设计4.7.4导向零件.......................................................................................................284.7.5固定零件.......................................................................................................294.7.6推件装置.......................................................................................................314.8模具的闭合高度.......................................................................................................324.9模具工作分析...........................................................................................................33第五章结论........................................