课程设计(说明书)
题目:带孔内凸方形盖注塑模具课程设计说明书
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2021年4月
PAGE19
摘要
塑料制品具有原料来源丰富,价格低廉,性能优良等特点。它在电脑、手机、汽车、电机、电器、仪器仪表、家电和通讯产品制造中具有不可替代的作用,应用极其广泛。注射成形是成形热塑件的主要方法,因此应用范围很广。注射成形是把塑料原料放入料筒中经过加热熔化,使之成为高黏度的流体,用柱塞或螺杆作为加压工具,促使原材料(流体)经过喷嘴,在外届较高压力的作用下注入模具的型腔中,然后经过冷却、凝固等一系列过程,最后脱离出模具,成为塑料零件。
本次设计的为带孔内凸方形盖注塑模,为普通的塑料产品,运用模具相关知识,分析塑料产品工艺要求,尺寸精度要求,选取ABS材料,并且对本次模具的塑件分型面选取,型腔分布确定,计算产品的注射量数值,选用满足要求的注塑机,同时对注塑机的压力机锁模力等做出校核,且对成型零件设计,计算其工作尺寸等,并且通过制图软件绘制模具装配图零件图等,最终完成任务要求。
关键词:注塑模;带孔内凸方形盖;工艺分析
Abstract
Moldisanindispensableequipmentinmodernindustry,whichmakesgreatcontributiontoindustrialdevelopmentandpromoteseconomicdevelopment.Itisalsoakeyfactortomeasurethelevelofmanufacturingtechnologyinacountry.Withtherapiddevelopmentofindustry,theuseofmoldismoreandmoreextensive,anditsstatusisconstantlyimproving.Moldproductsarealsowidelyusedinindustrialequipment,automobileproduction,electricalmanufacturingandotherfields.Theglobalmoldoutputvalueisalsogrowingsteadily.Chinasmoldtechnologyisalsomaturing,andithasbecomeoneoftheworldslargestmoldmanufacturingcountries.Inadditiontomeetingtheneedsofthedomesticmoldmarket,itcanalsoachievemoldexportprocessing,andthedomesticmoldmarketisrelativelyactive.
Thisdesignisaremotecontrolcoverinjectionmold,acommonplasticproduct,usingmoldrelatedknowledgetoanalyzetheplasticproductprocessrequirements,dimensionalaccuracyrequirements,selectABSmaterials,andselecttheplasticpartpartingsurfaceofthismold,determinethecavitydistribution,calculatetheinjectionquantityvalueoftheproduct,selecttheinjectionmoldingmachinethatmeetstherequirements,andatthesametime,dothelockingforceofthepressoftheinjectionmoldingmachineCheck,designtheformingparts,calculatetheirworkingdimensions,anddrawthedieassemblydrawingsandpartsdrawingsthr