汽车左座椅摇臂冲压模设计.doc

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1、摘要汽车左座椅摇臂是现代汽车不可缺少的组成部分。由于汽车左座椅摇臂主要作用是起固定作用，因此要求汽车左座椅摇臂具有良好的经济性和可靠性，所以采用冲压模具进行生产。综上所述，对汽车左座椅摇臂的冲压模具设计是具有现实意义的。本文以汽车左座椅为对象，分析了汽车左座椅摇臂的冲压工艺，并对模具结构进行了设计和计算。首先对工件进行了工艺分析，确定了最佳工艺方案，并进行工艺计算；然后确定了落料、冲孔复合模的结构型式，并对主要结构零件进行了设计计算和强度校核；最后又确定了翻孔、弯曲复合模的结构型式，对零件进行了设计和校核，并合理的选择了压力机。通过本课题研究，使我掌握了冲压模具设计的

2、理论知识。关键词：汽车左座椅摇臂；冲压工艺；翻孔；模具设计AbstractAnautomobileleft-seatrockerwhichworksasafixativepartisanessentialcomponentofmoderncars.Inordertomeettherequirementforreliabilityandeconomy,itmakespracticalsensetoproducetheleft-seatrockerbystampingprocess.Thispaperwhichwasbasedontheresearchonanautomo

3、bileleft-seatrocker,focusedontheanalysisforthestampingprocess,structuredesignandstrengthcalculationsoftheleft-seatrocker.Firstly,accordingtotheanalysisandcalculationsoftheprocess,desirableprocessschemewasdetermined.Secondly,theblankingmouldandhole-punchingcompoundtoolweredesignedthepart

4、ofwhichwerealsodesignedwithstrengthchecking.Finally,thestructurepatternsofthecompoundtoolsofthebendingandpunchedholeweredecidedasthedesignsandstrengthcheckingofthepartswerecompleted.Appropriatepresseswereselectedaswell.Throughthisdesign,thebasictheoryofamolddesignwasgained.Keywords:Auto

5、mobileleft-seatrocker;Stampingprocess;Punchedhole;MoulddesigNI第1章绪论.....................................................................................................................11.1课题研究目的和意义.........................................................................................1

6、1.2冲压模具行业发展现状及技术趋势..................................................................11.3课题研究的理论依据.......................................................................................41.3.1塑性变形的基本理论..............................................................................41.3.2塑性力学

7、基础.........................................................................................51.3.3金属塑性变形的一些基本规律..............................................................61.4AUTOCAD软件介绍...........................................................................................