成都理工大学工程技术学院毕业论文分类垃圾桶底座热流道注射成型工艺及模具设计作者姓名：吴杰专业名称：机械工程及自动化分类垃圾桶底座热流道注射模成型工艺及设计指导教师：王二讲师I分类垃圾桶底座热流道注射模成型工艺及设计摘要本毕业设计论文详细记录了分类垃圾桶底座热流道模具的设计全过程。本文主要内容包括：垃圾桶的改进方案、制品的选材、制品的工艺分析、注射机的选择及校核、热流道浇注系统的设计、脱模机构的设计、成型零件和结构零件的设计以及相关尺寸的计算校核、排气系统及温控系统的设计、模具材料的选择等注射模设计中的关键问题。其中热流道浇注系统的设计是本次毕业设计的重点。此外，本文中还包括一篇文献综述。关键词：垃圾桶底座热流道注射机注射模具分类垃圾桶底座热流道注射模成型工艺及设计AbstractThethesisofthegraduatedesignnotesthewholedesignprocessesofthehotrunnermouldfortherubbishbinpedestalindetails.Thethesismainlyincludes:theimprovingmethodoftherubbishbin,theselectingmaterialoftheproduct,thetechnicalanalysisoftheproduct,theoptionandcheckoftheinjectormachine,thedesignofhotrunnersystem,thedesignoftheejectionmechanism,thedesignofthemoulding，partsandmakeupparts,aswellassomekeyproblemininjectionmoulddesign.Suchas:thecalculationsoftherelatedsizes,exhaustingsystemandtemperaturecontrolsystem,thechoicesofthemouldmaterials.Andtheemphasisofthisdesignisthedesignofthehotrunnersystem.Besides,thisthesisincludesaliteraturesummary.Keywords：rubbishbinpedestalhotrunnersysteminjectormachineinjectionmouldI分类垃圾桶底座热流道注射模成型工艺及设计目录摘要.......................................................................................................................IAbstract..............................................................................................................II目录.....................................................................................................................III引言...................................................................................................................1第一章塑件工艺分析及模具结构方案.............................................................21.1塑件工艺分析......................................................................................21.2确定模具结构方案..............................................................................41.3选择注塑成型设备并进行校核........................................................5第二章垃圾桶底座的Moldflow模流分析.......................................................82.1MOLDFLOW软件简介.............................................................................82.2垃圾桶底座塑件的有限元模型的建立.................................................82.3塑料制件的选材....................................................................................92.4Moldflow的流动填充分析.................................................................10第三章浇注系统的设计和排溢系统的计.......................................................133.1浇注系统的选定................................................................................133.2流道的设计与定位圈的设计............................................................133.3排气系统的设计................................................................................16第四章成型零部件尺寸的设计及校核...........................................................174.1塑件精度及影响因素...........................................................................
