60W室内射灯灯罩压铸模设计及成型零件制造工艺设计4-11

分类号TG249.2密级公开宁宁波大红鹰学院毕业设计(论文)60W室内射灯灯罩压铸模设计及成型零件制造工艺设计所在学院机械与电气工程学院专业机械设计制造及其自动化班级11机自5班姓名张楷轩学号1121080543指导老师张玉玺2015年3月31日诚信承诺我谨在此承诺：本人所写的毕业设计（论文）《60W室内射灯灯罩压铸模设计及成型零件制造工艺设计》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I摘要本文主要介绍了60W室内射灯灯罩压铸模设计及成型零件制造工艺设计，与原来的设计方法不同的是本文首次采用了软件和计算结合的方法，利用现在模具行业通用的软件AutoCAD中的标准模架库EMX结合模具设计手册共同完成了模具零件的选择、标准模架的调用以及模具零件的材料选择。模具设计的软件化其优点很多：首先，它能够节省大量的材料；再者，它能够缩短一个模具的开发周期，最重要的是它可以模拟开模并进行应力应变分析，大大降低了工人和设计人员的劳动强度，最终可以大大提高企业的生产效率。通过对本次60W室内射灯灯罩压铸模具的设计，对常用铸件材料在成型过程中对模具的工艺要求有了更深一层的理解，掌握压铸成型模具的结构特点及设计计算方法，对独立设计模具具有了一次新的锻炼。关键词：压铸模具，材料分析，模架IIAbstractThisarticlemainlyintroducedthe60windoorlampchimneydiemolddesignandmoldingpartsmanufacturingprocessdesign,differentfromtheoriginaldesignmethodinthispaper,byusingthecombinedmethodofthesoftwareandthecalculationforthefirsttime,usingthegeneralsoftwareAutoCADmouldindustrynowthestandardmouldbaselibraryEMXcombinetogethercompletethemolddesignmanualmoldpartsselection,standardmouldbasecallsandmaterialselectionofmoldparts.Molddesignsoftwareofitsadvantages:first,itcansavealotofmaterials;Moreover,itcanshortenthedevelopmentcycleofamold,themostimportantthingisthatitcansimulatecavityandstressstrainanalysis,greatlyreducesthelaborintensityofworkersanddesigners,finallycangreatlyimprovetheproductionefficiencyofenterprises.Throughthedesignofthe60Windoorlampshadeofdiecastingdieforcastingmaterials,commonlyusedintheformingprocessofthetechnicalrequirementsofthemoldhasadeeperunderstandingofthestructuralfeaturesanddesignmasterthecalculationmethodofcastingdie,diedesignforindependencewithanewexercise.KeyWords:Diecastingmould，Materialanalysis，DiesetIII目录摘要.........................................................................................................................................IAbstract......................................................................................................................................II目录......................................................................................................................................III第1章绪论..............................................................................................................................11.1压铸模具的概述..........................................................................................................11.2总体方案确定..............................................................................................................2第2章模具的结构..................................................................................................................32.1模具的组成及作用......................................................................................................32.2模具的主要零件图......................................................................................................3第3章压铸模具设计..............................................................................................................43.1产品零件分析..............................................................................................................43.1.1压铸件材料分析..............................................................................................43.1.2压铸件结构分析..............................................................................................53.1.3压铸件的尺寸精度分析...................................................................................53.2模具制造及设备情况..................................................................................................63.2.1设备能力...........................................................................................................63.2.2锁模力的确定...................................................................................................63.2.3压铸机情况.......................................................................................................63.2.4压射比压的确定...............................................................................................73.2.5充填率的计算...................................................................................................73.2.6压铸件机械加工余量的确定...........................................................................83.3确定模具基本结构方案..............................................................................................83.3.1确定模型模数.....................................................................................................83.3.2选用通用模架和通用模座.................................................................................8第4章模具分型面的确定....................................................................................................104.1模具分型面的选择原则............................................................................................104.2模具分型面的确定....................................................................................................10IV4.3抽芯机构的确定........................................................................................................104.4模架与成型零件的分析............................................................................................104.4.1模架的设计........................