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遥控器电池后盖模具设计论文[带图纸].doc

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遥控器电池后盖模具设计论文[带图纸].doc

本科毕业设计论文题目遥控器电池后盖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月遥控器电池后盖注塑模具设计摘要本文详细介绍了遥控器电池后盖注塑模具的设计,共分十四节,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模具结构的设计成型零件的设计导向机构的设计脱模机构的设计侧向分型与抽芯机构的设计等。本次设计为一模两腔,塑件材料选用了丙烯腈-丁二烯-苯乙烯共聚物(即工程材料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。通过以下计算和设计是可行的,并可以应用到实际生产中。本次设计主要是对一种塑料遥控器电池后盖进行模具设计。本文先介绍了注射模具国内外的发现状况及发展趋势,其次介绍了注射成型原理和工艺过程根据塑件要求选择合适的注塑机,进而选择合适的浇注系统与冷却系统通过计算,对导向机构、脱模机构和侧向分形与抽芯机构进行设计。该模具的凸凹模均采用嵌入式的型腔和型芯,精度高,节省材料,改善了模具加工的工艺性,降低了模具的生产成本。该模具采用单分型面设计,通过滑块和斜导柱实现开合模动作,模具运动平稳可靠。塑件能顺利脱模,该模具总体结构设计合理,模具的制造成本低。成型的壳体塑件质量合格稳定,使塑件质量符合设计和使用要求。关键词遥控器电池后盖注塑模具侧抽芯机构导向机构脱模机构TheDesignoftheTelecontrollerInjectionMoldAbstractThispaperintroducedthedesignoftelecontroller,andconsisted14parts.Mainlyincludeanalysisofplasticmaterialandargumentationofdesignprojectselectinginjectionmachinedevisingmoldstructuredevisingmoldingpartsdevisingorientedframeworkdevisingstrippingframeworkdevisingsidepartingandpullingframework.Themoldisconsistedoftwocavities.Theplasticmaterialselectacrylonitrilebutadienestyrenecopolymeri.e.engineeringmaterialABS.Thesprueformchooseasidegate,diestructurefordirectclassificationpushrodpushingmechanism.Bythefollowingcalculationanddesignisfeasible,andcanbeappliedtopracticalproduction.Thedesignismainlyremotecontrolbatterycoverofaplasticmolddesign.Thispaperfirstdescribesthesituationanddevelopmenttrendoftheinjectionmoldfoundathomeandabroad,followedbyinjectionmoldingprincipleandprocessplasticpartsrequiretheinjectionmoldingmachine,andthenselecttheappropriategatingsystemandcoolingsystem,orientedagencies,strippingagenciesandlateralfractaldesigncorepullingmechanism.Themoldpunchanddieareembeddedinthecavityandcore,highprecision,materialsavings,improvedmoldprocess,reducingthecostofproductionofthemold.Themoldwithasinglepartingsurfacedesign,moldopeningandclosingactionsliderandBevelPillar,themoldmovementissmoothandreliable.Plasticpartssmoothstrippingoverallstructureofthemolddesign,moldmanufacturingcostslow.Themoldingoftheplasticpartsofthehousingofacceptablequalityandstability,sothatthequalityofplasticpartscomplywiththedesignanduserequirements.KeyWordstelecontrollerInjectionMoldDevisingSidePartingDevisingOrientedFrameworkPullingFramework主要符号表T额定锁模力q模腔压力K安全系数minH最小模具厚度maxH最大模具s塑件尺寸误差maxS塑料的最大收缩率minS塑料的最小收缩率sL塑件尺寸S塑料的平均收缩率塑料的公差模具制造公差型腔许用变形量E型腔材料的弹性模量型腔材料的需用压力脱模斜度f摩擦系数F脱模力推杆长度系数Q总脱模力应力s屈服极限目录1绪论...........................................................................................................................11.1题目背景................................................................................................................11.2题目国内外相关研究情况...............................................................................................11.3中国与国外先进技术的差距................................................................................21.4塑料模具发展走势.............................................................................................................22塑件材料分析与方案论证............................................................................................42.1塑件材料的选择及其结构分析............................................................................42.2ABS的注射成型工艺............................................................................................42.3塑件收缩率与模具尺寸的关系............................................................................62.4方案论证................................................................................................................73注射机的选择......................................................................................................113.1确定零件的体积..................................................................................................113.2选择注射机及注射机的主要参数......................................................................113.2.1注射机的类型.................................................................................................113.2.2注射机的主要技术参数.................................................................................123.2.3注塑机的校核.................................................................................................134模具结构设计......................................................................................................154.1浇注系统..............................................................................................................154.1.1浇注系统的作用.............................................................................................154.1.2浇注系统布置.................................................................................................154.2浇注系统设计......................................................................................................154.2.1浇口套的设计.............................................................................................154.2.2冷料井设计.....................................................................................................174.2.3分流道的设计.................................................................................................184.3浇口设计..............................................................................................................184.3.1浇口的类型.....................................................................................................194.3.2浇口的位置.....................................................................................................195成型零件设计......................................................................................................205.1分型面的设计......................................................................................................205.2成型零件应具备的性能......................................................................................215.3成型零件的结构设计..........................................................................................215.3.1凹模(型腔)结构设计.................................................................................215.3.2型芯的结构设计.............................................................................................21

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