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汽车配件轮边防尘罩冲压模具设计说明书[带图纸].doc

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汽车配件轮边防尘罩冲压模具设计说明书[带图纸].doc

I本科毕业设计论文题目汽车配件轮边防尘罩冲压模具设计系别机电信息系专业机械设计制造及其自动化班级学生学号指导教师2013年05月II汽车配件轮边防尘罩冲压模具设计摘要本设计是汽车配件轮边防尘罩冲压模具设计,分析工件结构,其主要包括落料拉深冲孔修边。首先确定工艺方案,选择一个比较合理的设计方案。其次,根据设计方案确定一共需要多少副模具来完成轮边防尘罩的生产。在本次设计中,采用三副模具来生产该工件。第一副是落料拉深,第二副是冲孔,第三副是修边。每副模具的设计中都包括凸凹模刃口尺寸的确定和结构形式,定位零件的设计,卸料与推件装置的设计,以及其它辅助零件的设计。在模具的设计过程中首先要考虑零件工作的合理性,然后考虑零件的经济性。关键词工艺分析方案确定落料拉深修边冲孔IIIBlankingDieDesignofDustCoverofTheWheelRimAbstractThisdesignisblankingdiedesignofdustcoveroftheautomobilewheelrim,includingblankdeepdrawingpunchmodification,throughthestructureanalysisofworkpiece.First,determinationoftechnologicalarrangementisforchoosingthebestalternativesinthisdesign.Second,accordingtotheproposalofthisdesign,weshoulddecidethathowmanymouldsareusedtocompleteproductionofdustcoveroftheautomobilewheelrim.Inthisdesign,threemouldsareappliedinthisprocess.Thecompoundforblankinganddeepdrawingisusedinthefirstprocess.Puncharepracticedinsecondprocess.Similarly,thethirdmouldisusedformodificationinthelastprocess.Oneeachofthesemouldsdesignisconsistedofthesizesofpunchanddiecuttingedge,locationcomponents,trippingandejectionequipment,andassistantstructureparts.Intheprocessofmoulddesign,weshouldconsiderthereasonablenessofworkingparts,andthentakethecostofpartsproduction.KeywordsTechnologicalanalysisDeterminationofarrangementsBlankanddeepdrawingModificationandpunchIV目录1绪论.....................................................................................................................11.1冲压与冷冲模概念...........................................................................................11.2模具工业在当今市场的发展状况和前景.......................................................11.3模具在现代工业中的地位..............................................................................21.4冲压工艺的种类..............................................................................................21.5冲压行业阻力和障碍与突破..........................................................................32冲压件的工艺过程...........................................................................................52.1分析零件的冲压工艺性..................................................................................52.1.1分析其冲裁的工艺性............................................................................52.1.2分析其拉深的工艺性............................................................................62.1.3材料的性能............................................................................................92.2冲压件的工艺方案的拟定..............................................................................92.3毛坯尺寸的确定............................................................................................103排样和搭边.......................................................................................................113.1冲裁件的材料利用率.....................................................................................113.2排样和搭边....................................................................................................124压力机的选择..................................................................................................144.1落料拉深........................................................................................................144.1.1压力中心..............................................................................................144.1.2压边力、拉深力的计算.......................................................................154.1.3压力机的选择......................................................................................164.2修边冲孔........................................................................................................174.2.1冲裁力...................................................................................................174.2.2推件力..................................................................................................184.2.3卸料力..................................................................................................184.2.4压力机的选择.....................................................................................185落料拉深模具设计.........................................................................................195.1模具类型........................................................................................................195.2模具结构和工作原理....................................................................................195.3主要零件的结构与设计.............................................................................205.3.1工作零件..............................................................................................205.3.2定位零件..............................................................................................245.3.3压料、卸料及出件零件......................................................................255.3.4辅助结构零件.....................................................................................255.3.5工作零件的设计...................................................................................26V5.3.6其他零件的设计...................................................................................286冲孔模的设计..................................................................................................296.1模具基本结构与工作原理............................................................................296.2模具的主要零件设计....................................................................................296.2.1工作零件的设计..................................................................................296.2.2其它零件的设计..................................................................................327裁边模设计.........................................................................................................347.1模具基本结构和工作原理............................................................................347.2模具主要零件的设计....................................................................................347.2.1工作零件的设计..................................................................................347.2.2其它零件的设计..................................................................................358模具加工工艺分析.........................................................................................378.1模具材料........................................................................................................378.2模具加工工艺................................................................................................37总结.......................................................................................................................38参考文献...................................................................................................................39致谢.......................................................................................................................40

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