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洗衣机排水管道某零件的注射模具设计论文[带图纸].doc

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洗衣机排水管道某零件的注射模具设计论文[带图纸].doc

本科毕业设计论文题目洗衣机排水管道某零件的注射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5月I洗衣机排水管道某零件的注射模具设计摘要本次设计详细介绍了洗衣机排水管道某零件的注塑模具设计,主要包括塑件材料的分析与设计方案的论证注塑机的选择成型零件的设计侧向分型与抽芯机构的设计导向机构的设计脱模机构的设计温度调节系统的设计,以及模具各部分的计算和校核等。本次设计的方案为一模两腔,塑件材料选用了丙烯腈-丁二烯-苯乙烯共聚物(ABS),浇口形式选用了侧浇口,模具结构为直接分型推杆推出机构。同时运用了PRO/ENGINEER软件设计模具三维图。关键词注塑模具,塑料,模具设计,抽芯机构IIDesignoftheinjectionmouldforapartofthewashingmachinedrainpipeAbstractThedetaileddesignoftheinjectionmolddesignofawashingmachinedrainagepipeparts,mainlyincludestheanalysisanddesignoftheplasticinjectionmachinechoicedemonstrationformingpartdesigndesignsidepartingandcorepullingmechanismdesignofsteeringmechanismdemouldingmechanismdesigndesignoftemperaturecontrolsystemtheportionofthemold,andthecalculationandverification.Thedesignschemeforamoldtwocavity,acrylonitrilebutadienestyrenecopolymerwithplasticmaterialABS,gateformthesidegate,thediestructureforthedirecttypepushrodejectingmechanism.AtthesametimeusingthePRO/ENGINEERsoftwaredesignof3Dgraph.KeyWordsInjectionmould,plastic,molddesign,corepullingmechanismIII目录1绪论......................................................................................................11.1题目背景...........................................................................................11.2塑料模具的发展概况...........................................................................11.3塑料模具的发展前景和趋势.................................................................22塑件分析..............................................................................................32.1塑件的结构分析.................................................................................32.1.1塑件三维图...................................................................................32.1.2塑件二维图...................................................................................32.1.3精度分析......................................................................................32.2塑件的材料分析.................................................................................42.2.1塑件材料......................................................................................42.2.2材料的特性...................................................................................42.2.3ABS的工艺特性...........................................................................42.2.4ABS的成型工艺...........................................................................42.3塑料的成型工艺.................................................................................52.4注射成型的过程.................................................................................52.4.1成型前的准备...............................................................................52.4.2注射成型过程...............................................................................52.4.3制品的后处理...............................................................................53方案论证..............................................................................................63.1方案论证...........................................................................................63.2采用方案...........................................................................................64注射机的选择......................................................................................74.1确定零件的体积.................................................................................74.2注射机的选择及参数...........................................................................74.2.1注射机的类型...............................................................................74.2.2注射机的主要技术参数..................................................................84.3注射机的校核.....................................................................................85分型面的选择....................................................................................105.1分型面选择原则...............................................................................105.2分型面设计......................................................................................106浇注系统设计.....................................................................................11IV6.1浇注系统作用及要求..........................................................................116.2浇注系统的布置................................................................................116.3主流道设计.......................................................................................116.3.1主流道设计要求...........................................................................116.3.2主流道计算..................................................................................116.4分流道设计......................................................................................126.4.1分流道设计要求..........................................................................126.5浇口设计.........................................................................................126.5.1浇口类型....................................................................................126.5.2浇口的位置.................................................................................136.5.3浇口的选择.................................................................................136.6冷料穴设计......................................................................................136.7浇口套和定位圈设计.........................................................................146.7.1浇口套的设计.............................................................................146.7.2定位圈的设计.............................................................................147成型零部件设计................................................................................157.1成型零部件材料选择.........................................................................157.2成型零部件结构设计.........................................................................157.2.1型腔结构设计.............................................................................157.2.2型芯结构设计.............................................................................167.3成型零件尺寸计算............................................................................167.3.1影响制品尺寸精度的因素.............................................................167.3.2成型零件工作尺寸计算................................................................177.3.3成型型腔壁厚计算.......................................................................198导向机构设计.......................................................................................208.1导柱的设计要求...............................................................................208.2导柱的选择......................................................................................208.3导套的设计和选择............................................................................209侧向分型抽芯机构设计.......................................................................229.1抽芯机构的类型...............................................................................229.2抽芯距和抽芯力的计算.....................................................................229.2.1抽芯距.......................................................................................229.2.2抽芯力.......................................................................................229.3斜导柱和斜滑块设计.........................................................................23

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