门把手压铸模设计及成型零件制造工艺与压铸工艺设计

分类号密级宁XXXX学院毕业设计(论文)门把手压铸模设计及成型零件制造工艺与压铸工艺设计所在学院专业班级姓名学号指导老师年月日诚信承诺我谨在此承诺：本人所写的毕业论文《门把手压铸模设计及成型零件制造工艺与压铸工艺设计》均系本人独立完成，没有抄袭行为，凡涉及其他作者的观点和材料，均作了注释，若有不实，后果由本人承担。承诺人（签名）：年月日摘要目前，模具的设计特别是压铸模的设计在现代化制造行业起着越来越重要的作用,压铸是高效益、高效率，很有发展前途的铸造方法，在高科技的不断推动下，压铸必将进一步扩大其应用范围，在国民经济发展中必将发挥出越来越大的作用。与其它方法相比,它具有尺寸精度高,强度高,表面粗糙度小，生产率高的优点。根据零件的结构和尺寸设计了完整的模具。设计内容主要包括：浇注系统设计、成型零件设计、推出机构设计以及模体结构设计。根据铸件的形状特点、零件尺寸及精度，选定了合适的压铸机，通过准确的计算并查阅设计手册，确定了成型零件以及模体的尺寸及精度，在材料的选取及热处理要求上也作出了详细说明，并在结合理论知识的基础上，借助于计算机辅助软件绘制了各部分零件及装配体的立体图和工程图,以保障模具的加工制造。关键词：压力铸造，压铸模具，锌合金铸件，门把手IVAbstractAtpresent,thedesignofmolds,particularlythedesignofdie-castingmolds,playsanincreasinglyimportantroleinmodernmanufacturingindustry.Die-castingisaneffective,efficientandpromisingmethodofcasting.Undertheimpetusofhigh-tech,die-castingwillfurtherexpanditsscopeofapplication,innationaleconomicdevelopment,itwillplayanincreasingrole.Comparedwithothermethods,ithasahighdimensionalaccuracy,highstrength,smoothroughnessandhighproductivity.Basedmainlyonpartsofthedesignintegrityofthestructureandsize,itschemeouttherequiredspareparts.Designelementsinclude:designofgatingsystem,formingpartdesign,core-pullingmechanismdesign,theejectordesignandthemoldbodystructuredesign.Accordingtotheshapeoffeatures,partssizeandaccuracy,theauthorselectedtheappropriatediecastingmachine,throughtheexactlycalculateandconsultdesignhandbooks,confirmthesizeandaccuracyoftheformingpartandmoldbodystructure,italsomakesparticularinstructiononthematerialselectionandtherequirementsoftheheattreatment,withtheoreticalbasis,plottingoutpictorialdrawingandcastingdrawingofthepartsbyusingcomputersoftwaretoensurethemanufactureofdie-castingdie.KeyWords:diecasting，die-castingmold，zincalloycastings，Doorhandle1目录摘要......................................................................................................................................IIIAbstract.....................................................................................................................................IV目录........................................................................................................................................1第1章绪论..............................................................................................................................31.1课题意义......................................................................................................................31.1.1压力铸造的特点..............................................................................................31.1.2压铸模具设计的意义.......................................................................................31.2压铸发展历史、现状及趋势......................................................................................41.2.1压铸的发展历史...............................................................................................41.2.2我国压铸产业的发展.......................................................................................41.2.3压铸产业的发展趋势.......................................................................................51.3毕业设计内容..............................................................................................................6第2章压铸模具的整体设计..................................................................................................72.1铸件工艺性分析.........................................................................................................72.1.1铸件立体图及工程图......................................................................................72.1.2铸件分型面确定..............................................................................................82.1.3浇注位置的确定..............................................................................................82.2压铸成型过程及压铸机选用.....................................................................................82.2.1卧式冷室压铸机结构......................................................................................82.2.2压铸成型过程..................................................................................................92.2.3压铸机型号的选用及其主要参数.................................................................102.3浇注系统设计...........................................................................................................112.3.1带浇注系统铸件............................................................................................112.3.2内浇口设计....................................................................................................112.3.3横浇道设计....................................................................................................122.3.4直浇道设计....................................................................................................132.3.5排溢系统设计................................................................................................13宁波大红鹰学院毕业设计（论文）22.4压铸模具的总体结构设计.......................................................................................14第3章成型零件及结构设计................................................................................................163.1成型零件设计概述.......................