多工位级进模具设计—毕业设计论文

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1、摘要本文主要分析了汽车内饰件的成形工艺，介绍了弯曲，冲孔，落料级进模的排样设计和模具结构设计。经工艺分析，工艺计算，确定了该设计工艺流程及冲模结构形式。模具可实现自动送料，卸料，出料，工艺性能好，冲件质量高。模具用UG，CATIA，CAD绘制出装配图和零件图。设计过程中首先要对零件进行工艺分析，经过工艺分析和对比，确定合适的工艺方案，完成料带的排样设计；接着对冲裁力，拉深力和弯曲力进行计算，确定零件生产过程中的总冲压力，完成压力机的选择；最后对模具各零部件进行详细设计，完成模具的装配和检验。关键词:内饰件；弯曲；冲裁；级进模47AbstractThisarticlehasmainly

2、analyzedthecarinteriorpartsformingprocess,andintroducesthebending,punching,progressivedieandmouldstructuredesignpat.Afteranalysisofthetechnicalandtheprocesscalculation,determinedthedesignprosessanddiesrtucture.Mouldcanrealizeautomaticfeedingandunloading,dischargingworkingperformanceisgood,stemp

3、inghavehighquality.UseUG,CATIA,CADdrawingouttheassemblyparts.Intheproceduceofdesign,atfirstweanalysistheparts,thendeterminetheappropriatetechnologysolutionstocompletethelayoutdesignofthestripbyanalyzingandcomparingtheeveryprocess;thentheblankingforce,drawingforceandbendingforcesarecalculatedtod

4、eterminethetotalimpulsepressureinthepartsproductionprocess,thencompletethepressofchoice;afterthatcompletthepartsofthedetailedofthemoldandassemblyandtestingofthemold.Keywords:bending；punching；progressivedie.47目录摘要……………………………………………………………………………….11绪论1.1多工位级进模简介.....................................

5、....................................................61.2冲压模具分类.................................................................................................71.3冲压模具在国民经济中的地位.....................................................................82零件分析及工艺方案确定2.1确定零件的基本冲压工序.......................

6、.....................................................112.2工艺方案的确定............................................................................................132.3零件的排样设计............................................................................................132.4排样方法.........................

7、...............................................................................142.5排样方案与分析............................................................................................163成型设备的选择3.1冲裁力的计算............................