高分子材料与工程专业毕业论文(模具设计)

16×2腔餐叉注塑模设计I16×2腔餐叉注塑模设计摘要本设计根据餐叉小型薄壁的结构特点，设计了一套16×2腔餐叉的叠层注塑模具。设计中利用SolidWorks三维设计软件，先对餐叉进行3D建模，建立整套模具的3D模型，然后出装配图和零件图。本文介绍了模具的结构特点及工作原理，计算并校核了模具的相关参数。本模具一次成型32件制品，提高了生产效率。为了实现自动化生产，本套模具采用可拉断分离的两级主流道和潜伏式浇口。针对本模具的特点，采用了加热主流道，这样不仅减小了为脱出主流道凝料而设定的开模距离，还减少了主流道凝料的浪费。设计中对模具的开合模采用了摆杆同步分型机构。该双层注射模具结构设计合理、动作可靠，成型效率约提高一倍，可实现自动化生产。关键词叠层模具/潜伏式浇口/注塑模16×2腔餐叉注塑模设计IIDESIGNOF16×2CAVITYINJECTIONMOLDFORDINNERFORKABSTRACTAccordingtothestructurecharacteristicsofdinnerforkinthisdesign,asetof16×2stackinjectionmouldisdesignedforthedinnerfork.The3Ddesignsoftware-SolidWorkswasusedinthisdesign.First,3Dmodelforthedinnerforkwasdone,alsothewholemoldwasestablished,thenthesoftwarewasutilizedagaintodrawaninstallationdrawingandsomepartdrawingsofthemold.Thestructurecharacteristicsandworkprocessofthissetofthemoldwasintroducedinthispaper,andsomeparametersrelatedtothemoldarecalculatedandchecked.Wecanmoud32setsofdinnerforkswiththestackmould,thustheproductionefficientisincreased.Inordertorealizeroductionautomatically,thissetofmoldusethesubmarinegateandtwolevelsmainflowchannelthatcanpullseparation.Hotspruebushwasusedinviewofthecharacteristicsofthemold,notonlyreducesthedistancesetforthedetrusionofthemainflowchannel,butalsosavesresinswhichwasteinit.Theopenandcloseactionsarecontroledbythependularleversynchroopeningsysteminthedesign.Themoldhadprovedtobereasonableinstructure,reliableinoperation,aboutdoubletheefficiency,andcanrealizeproductionautomatically.KEYWORDSStackedmold,Submaringgate,Injectionmold16×2腔餐叉注塑模设计1目录摘要.........................................................................................................................................................IABSTRACT.............................................................................................................................................II1概述................................................................................................................................................12制品分析...........................................................................................................................................22.1制品结构及成型分析.......................................................................................................22.2制品原料特性.......................................................................................................................23模具设计...........................................................................................................................................43.1注射机选择.............................................................................................................................43.1.1注射机的初步确定.........................................................................................................43.1.2注射机相关参数.............................................................................................................63.2模具结构及工作过程.......................................................................................................83.2.1总体结构...........................................................................................................................83.2.2开模过程.........................................................................................................................103.2.3合模过程.........................................................................................................................103.3模具功能结构设计...........................................................................................................103.3.1浇注系统设计................................................................................................................103.3.2分型面及排气系统设计..............................................................................................153.3.3成型零部件设计与尺寸计算....................................................................................173.3.4模架的选择....................................................................................................................193.3.5导向机构设计................................................................................................................203.3.6脱模机构设计................................................................................................................213.3.7摆杆同步分型机构和限距机构设计.......................................................................233.3.8冷却系统的设计与计算..............................................................................................233.5注射机相关参数的校核.................................................................................................293.5.1注射量的校核.................................................................................................................293.5.2注射压力的校核............................................................................................................303.5.3锁模力的校核.................................................................................................................303.5.4模具外型尺寸与注射机拉杆间距的校核...............................................................303.5.5模具定位圈与注