塑料模毕业设计

广西工学院鹿山学院2011届毕业设计（论文）锥形塑料件注射模设计广西工学院鹿山学院毕业设计（论文）题目：锥形塑料件注塑模系别：专业班级：姓名：学号：指导教师：职称：二〇一一年五月二十七日广西工学院鹿山学院2011届毕业设计（论文）锥形塑料件注射模设计摘要本文是关于锥形塑料件注塑模的设计，主要内容包括塑件的成形工艺分析，模具结构形式的确定，分型面位置的确定,浇注系统的形式和浇口的设计,成形零件的结构设计和计算,模架的确定和标准件的选用,合模导向机构的设计,脱模推出机构的设计等。在正确分析塑件工艺特点和PP材料的性能后，涉及模具结构、强度、寿命计算及熔融塑料在模具中流动预测等复杂的工程运算问题；运用CAD、UG等不同的软件分别对模具的设计、制造和产品质量进行分析。锥形塑料件注塑模设计，采用一般精度，利用CAD、UG来设计或分析注射模的成型零部件，浇注系统，导向部件和脱模机构等等。综合运用了专业基础、专业课知识设计，其核心知识是塑料成型模具、材料成型技术基础、机械设计、塑料成型工艺、计算机辅助设计、模具CAD/CAM/CAE等。关键词：模架；标准件；脱模推出机构SynopsisThispaperisaboutthedesignofplasticinjectionmold,cone-shapedincludeplasticpartsformingprocessanalysis,determinationofdiestructureform,partingsurfacepositioning,gatingsystemformsandrunnerdesign,formingpartsstructuredesignandcalculation,thedeterminationoftheformworkandstandardpartschoose,shutthemoulddesignofsteeringmechanism,strippingoutinstitutiondesign,etc.InthecorrectanalysisplasticstechnologycharacteristicsandPPmaterialperformance,involvingthemouldstructure,strength,lifetimecalculationandmoltenplasticmouldflowpredictionincomplexengineeringcomputationproblem;UsingCAD,suchdifferentsoftwareUGrespectivelytomoldofdesign,manufacturingandproductqualityanalysis.Taperedplasticinjectionmolddesign,usegeneralaccuracy,useCAD,UGtodesignoranalysisofinjectionmold,gatingsystem,discussesguidecomponentsandmouldingmechanism,etc.Comprehensiveuseoftheprofessionalbasis,professionalclassdesign,anditscoreknowledgeisplasticmolding,materialmoldingtechnologybase,mechanicaldesign,plasticinjectionmoldingprocess,computeraideddesign,mouldCAD/CAM/CAD,etc.Keywords:formwork;standardparts;strippingoutinstitutiondesign广西工学院鹿山学院2011届毕业设计（论文）锥形塑料件注射模设计目录广西工学院鹿山学院2011届毕业设计（论文）锥形塑料件注射模设计1.绪论························································12.塑件分析·························································42.1塑件设计要求················································42.2塑件结构分析·················································52.3塑件原材料分析················································52.4计算塑件的体积和质量··········································63.注塑成型的工艺参数················································73.1注塑成型的工艺参数············································74.拟定模具结构形式·················································84.1确定型腔数量及排列方式········································54.2模具结构形式的确定···········································85.注射机选用·······················································95.1注塑机简介···················································95.2注塑机基本参数···············································95.3注射机的选用原则············································105.4选择注射机··················································105.5注射压力的校核··············································115.6由注射机料筒塑化速率校核型腔数量n···························115.7按注射机的锁模（合模）力的校核·······························115.8模具厚度校核···············································126.分型面的选择····················································136.1分型面的设计原则············································137.浇注系统设计·····················································147.1浇注系统设计原则···········································147.2主流道设计··················································147.3主流道尺寸···················································147.4浇口套设计···················································157.5分流道的设计·················································157.6分流道的形状及尺寸···········································167.7分流道的表面粗糙度···········································167.8分流道的布置·················································167.9浇口的设计···················································16广西工学院鹿山学院2011届毕业设计（论文）锥形塑料件注射模设计7.10浇口位置选择的原则··········································167.11浇口的选用··················································177.12浇口结构尺寸的经验计算······································177.13浇注系统的平衡··············································177.14冷料穴······················································187.15拉料杆的设计················································187.16浇注系统凝料的脱出机构······································187.17排气方式···················································188.成型零部件设计··················································208.1整体式凹模、凸模结构·········································208.2组合式凹、凸模结构···········································208.3成型零部件的工作尺寸计算····································208.4型腔径向尺寸的计算··········································208.5型芯径向尺寸的计算··········································218.6型腔高度尺寸的计算··········································218.7型芯高度尺寸的计算··········································228.8成型零部件的工作尺寸计算····································228.9组合式矩形型腔侧壁厚度的计算································228.10组合式矩形型腔底板厚度的计算·······························229.结构零部件的设计················································249.1模架的确定和标准件的选用····································249.2合模导向机构的设计··········································259.3导向机构的分类··············································259.4导柱导向机构设计要点········································259.5导柱的设计·················································269.6导套的设计·········