驱动桥锁片冲压模具设计说明书[带图纸].doc

南京工程学院毕业设计说明书(论文)作者：学号：学院：江苏财经职业技术学院专业：数控加工与模具设计题目：驱动桥锁片冲压模具设计指导者：评阅者：2012年4月淮安第I页毕业设计说明书（论文）中文摘要随着生产现代化程度的不断提高，人们对汽车的消费不断增加，市场对驱动桥的需求也越来越大，驱动桥产品的市场前景十分广阔。随着国内企业市场意识逐步增强，行业竞争力将不断加剧。因此，一种安全、低成本、使用寿命长的驱动桥锁片生产技术已越来越迫切。本文对驱动桥锁片的冲压模具进行了设计，对冲压件的工艺进行了设计和计算。对模具的零件进行了设计，给出了零件图和模具装配图，最后，对模具主要零件的加工工艺进行了分析。该零件采用复合模进行加工，只需一副模具，冲压件的形状精度和尺寸精度容易保证，生产效率高。此模具不采用侧压装置，为了补偿因进料过程中条料摆动而导致的侧面搭边值的减小，条料宽度应增加一个摆动量。本方案设计简单，结构紧凑，减少了产品制造工序，提高了零件精度。关键词驱动桥锁片复合模冲压件摆动量南京工程学院毕业设计说明书（论文）第III页毕业设计说明书（论文）外文摘要南京工程学院毕业设计说明书（论文）第IV页TitleStampingMouldDesignofDrivingAxleLockAbstractWiththecontinuousimprovementofmodernproduction,theconsumptionamountofthecariscontinuouslyincreasing,andthemarketdemandisalsogrowingonthedriveaxle,themarketprospectofdriveaxleproductsisverybroad.Withthemarketawarenessofdomesticenterprisesgraduallyincreases,thecompetitivenessoftheindustryisgrowing.Therefore,asafe,low-cost,longusinglifedriveaxlelockproductiontechnologyhasbecomeincreasinglyurgent.Stampingdieofthedrivingaxlelockisdesignedinthispaper,stampingprocessofthispartisdesignedandcalculated.Thepartsofthemoldisdesigned,atthesametime,thepartsdrawingandmoldassemblydrawingaredrawn,atlast,themainpartsprocessingtechnologyofthemoldisanalyzed.Thepartisprocessedbycompoundmodulus,justonemold,theshapeanddimensionalaccuracyareeasytoensure,theproductionefficiencyofthemouldishigh.ThismoldThesidepressuredeviceisnotnecessaryinthismould,inordertocompensateforsidecutting-buildingsidevalueofthefeedingprocessduetothestripswing,thestripwidthshouldbeincreasedbyaswingunit.Thedesignofthismouldissimple,andthestructureisverycompact,theproductmanufacturingprocessisreducedinthispaper,theaccuracyofpartsisimprovedgreatly.KeywordsDrivingaxlelockCompoundmouldStampingpartSwingunit南京工程学院毕业设计说明书（论文）第V页目录前言..................................................1第一章绪论............................................21.1产品介绍··········································································21.2课题介绍··········································································3第二章工艺设计........................................42.1零件的尺寸精度·································································42.2零件结构工艺分析······························································42.3冲压件的材料····································································42.4确定冲压工艺方案······························································4第三章工艺计算........................................63.1排样图设计·······································································63.1.1排样的意义和材料利用率...............................63.1.2排样图确定...........................................73.2刃口尺寸计算····································································83.3工艺力的计算···································································103.3.1计算总压力..........................................103.3.2确定压力中心........................................113.3.3压力机的选择........................................123.3.4橡胶块的选取和尺寸的计算............................133.4主要工作零件强度校核·······················································13第四章模具设计与设备选用.............................144.1倒装式落料冲孔复合模零件相关设计······································144.1.1工作零件的设计......................................144.1.2推件装置的设计......................................164.1.3导向零件的设计......................................164.1.4固定零件的设计......................................174.1.5定位与卸料方式的选择................................234.2模具总装配图的绘制与模具零件材料的选用·····························234.2.1倒装式落料冲孔复合模总装图绘制......................234.2.2主要标准件零件的选取................................24第五章模具制造.......................................255.1主要模具零件加工工艺过程·················································255.1.1落料凹模加工工艺过程................................25