卡扣环注射模具设计说明书

编号：毕业设计说明书题目：双面卡扣环注射模具设计院（系）：机电工程学院专业：机械设计制造及其自动化学生姓名：学号：1指导教师单位：机电工程学院姓名：李锐锋职称：讲师题目类型：理论研究实验研究工程设计工程技术研究软件开发2012年5月15日桂林电子科技大学毕业设计（论文）报告用纸摘要模具在制造业产品生产、研发和创新中具有的重要地位。此次的设计任务为双面卡扣环设计一套塑料注塑模具，此制品是双面卡扣环，现实生活中不是经常用到，是一个非常专业的产品。首先，对聚丙烯（PP）材料的特性及其壁厚等成型工艺，双面卡扣环塑件的尺寸精度，表面粗糙度，脱模斜度，收缩率，塑件圆角，成型工艺参数等进行了分析，并通过计算塑件的体积和质量，确定了成型设备的型号和规格。其次，计算并校核了型腔数目，确定了型芯、型腔的排列方式，浇注系统采用普通浇注系统，该设计采用一模两腔的结构，必须设置分流道，用侧浇口形式从零件侧面进料，排气系统开设在分型面上进行排气，计算了成型零部件的尺寸，采用整体式型芯与整体式型腔的整体式结构，选择了适合的标准模架，合模导向机构，推出机构选用斜顶杆推出机构，并且能够保证凝料与塑件完全顶出，并在完成后能够自动复位。最后，设计了温度调节系统，选择了模具相关零件的材料，并设计了模具的加工工艺规程，使用Ug5.0来完成零件实体的造型和模具设计，使用AutoCAD2010绘制出塑件图，绘制模具装配图完成设计任务。关键词：注塑模；型芯；型腔；侧浇口；零部件桂林电子科技大学毕业设计（论文）报告用纸AbstractMoldinmanufacturingproduction,R&Dandinnovationhasanimportantposition.Thedesigntaskforthedouble-sidedcardbucklesdesignedasetofplasticinjectionmold,thisproductisdouble-sidedcardbuckles,isnotfrequentlyusedinreallife,isaveryprofessionalproduct.First,themoldingprocessofpolypropylene(PP)materialproperties,anditswallthickness,double-sidedcardbucklesplasticpartsofthedimensionalaccuracy,surfaceroughness,Demoulding,shrinkage,plasticpartsfilletmoldingprocessparametersanalysisandcalculationofthevolumeandqualityofplasticparts,determinethetypeandspecificationsofthemoldingequipment.Then,calculateandcheckthecavitynumbertodeterminethearrangementofthecore,cavity,thegatingsystemusingacommongatingsystem,usingatwo-cavitymold,youmustsettheshuntfromthepartssideintothesidegatematerial,exhaustsystemsaregenerallyopenedinthepartingsurfaceoftheexhausttocalculatethesizeofthemoldingparts,theoverallstructureoftheoverallcoreandoverallcavity,selecttheappropriatestandardmold,mold-orientedinstitutions,introductionofinstitutionstochooseobliquepushrodintroducedinstitutions,andtoensurethatthecondensatematerialandplastictopcompletelyout,andcanautomaticallyresetafterthecompletion.Finally,Designedatemperaturecontrolsystem,selectthematerialofthemoldpartsanddesignofthemoldprocessplanning.，useUg5.0tocompletethepartentitymodelingandmolddesign,AutoCAD2010drawingouttheplasticpartsdiagram,drawthemoldassemblydrawingcompletethedesigntask.Keywords:injectionmold;core;cavity;sideofthegate;parts桂林电子科技大学毕业设计（论文）报告用纸目录引言...........................................................................................................................................11分析使用材料的成型工艺..........................................................................................21.1聚丙烯（PP）的特性及成型工艺分析............................................................................21.2PP材料塑件的壁厚............................................................................................................22塑件分析.............................................................................................................................32.1制件尺寸精度分析.............................................................................................................42.2塑件表面粗糙度分析.........................................................................................................52.3脱模斜度的确定.................................................................................................................52.4收缩率.................................................................................................................................52.6塑件圆角.............................................................................................................................62.7分析塑件的成型工艺参数.................................................................................................63确定成型设备的型号和规格.....................................................................................73.1塑件体积和质量的计算.....................................................................................................73.2初选注射机.........................................................................................................................74注射模的结构设计........................................................................................................84.1模具的工作原理为.............................................................................................................84.2型腔数目的确定和校核.....................................................................................................84.3型腔的排列方式的确定...................................................................................................104.4分型面的选择...................................................................................................................105确定浇注系统与排气系统........................................................................................125.1注射模浇注系统的设计...................................................................................................125.1.1主流道设计.....................................................................................................................125.1.2分流道设计.....................................................................................................................145.1.3浇口的设计..................................................................................................