一次性医疗设备连接头塑料模具设计

南京工程学院毕业设计说明书(论文)作者：学号：学院：专业：材料成型及控制工程（模具设计）题目：一次性医疗设备连接头塑料模具设计指导者：评阅者：2011年5月南京第I页毕业设计说明书（论文）中文摘要本文分析了一次性医疗连接头塑料制件的成型工艺特点和模具设计工程。在设计工作前进行大量的资料搜集汇总，然后开始着手于模具设计。其中包括利用Pro/e软件绘制零件的三维图并由此进行3D开模、工件的工艺分析、注塑机的选用和校核、模具设计和确定了型腔的排布的难点，浇注系统的设计和模具总体结构。详细介绍了型芯、型腔、推件装置等零部件的设计和制造。最后完成了模具总装图的设计及主要零件图的绘制，确保模具结构功能的合理，实用。关键词医疗连接头塑料模设计制造第Ⅱ页毕业设计说明书（论文）外文摘要TitleThetoyhandlecrustplasticspieceinjectamolddesignAbstractThispaperanalyzesthelighterplasticcomponentofthetoyhandlecrustmoldingprocesscharacteristicsanddiedesignengineering.Beforedesigningworkheadwaytogoagreatdealofdatacollectiontogather,thenenterupontodesigninthemoldingtool.Pro/eincludingtheuseofthesoftware3Drenderingpartsofthemapandthusopenfor3Dmodel,theprocessworkpiece,InjectionMoldingMachineSelectionandVerification,molddesignanddifficulttodeterminethecavityofthearrangement,Gatingsystemdesignandmoldoverallstructure.Detailsonthecore,cavityandpushingpiecesofequipment,andotherpartsofthedesignandmanufacturing.IntheendIcompleteddesignedtheassemblediagramandthemajorparts’diagramandmadesurethecredibility,rationality,andthefunctionofthemoldingtoolstructure.Keywordstoyhandlecrustplasticmoulddesignmanufacturing南京工程学院毕业设计说明书（论文）第1页目录目录.............................................................1前言............................................................4第一章绪论.....................................................51.1塑料模具设计的发展现状和趋势..............................51.2塑料制件的设计原则........................................8第二章一次性医疗连接头成型的工艺设计............................92.1塑件的原材料分析.........................................102.2工艺参数.................................................152.3塑件结构分析.............................................162.4塑件的尺寸精度分析.......................................162.5塑件的壁厚分析...........................................162.6塑件的表面质量分析.......................................16第三章一次性医疗连接头的模具设计................................173.1模具总体结构设计.........................................173.1.1模具结构形式的确定.....................................173.1.2模板尺寸的确定.........................................173.2注射机的型号选取.........................................183．3模具参数的校核..........................................193.3.1注射量的校核...........................................193.3.3.锁模力的校核...........................................203.3.4模具厚度的校核.........................................203.3.5模具开模行程的校核.....................................213.4拟定模具结构形式.........................................213.5分型面位置的确定.........................................223.6浇注系统形式和浇口的设计.................................233.6.1主流道的设计...........................................233.6.2.浇口套的设计...........................................233.6.3浇口套的固定...........................................243.6.4分流道的设计...........................................24南京工程学院毕业设计说明书（论文）第2页3.6.5浇口的设计.............................................263.6.6浇注系统的平衡.........................................283.6.7冷料穴的设计...........................................283.7排气系统的设计...........................................293.8冷却系统的设计...........................................303.8.1冷却水道的开设原则.....................................303.8.2冷却水道及连通方式.....................................303.8.3型腔的冷却.............................................313.9成型零件的设计...........................................323.9.1型腔的结构设计.........................................323.9.2型芯的结构设计.........................................333.9.3型腔和型芯向尺寸的计算.................................343.9.4成型零件的加工工艺.....................................343.10复位机构的设计..........................................353.11推出机构的设计..........................................353.11.1推出脱模机构的选用原则：..............................363.11.2推出结构的定位：......................................363.11.3确定推出机构的形式....................................363.12结构零部件设计..........................................373.12.1支承零部件设计........................................373.12.2合模导向结构设计......................................383.13模具的工作原理..........................................39第四章Pro/E3D开模..........................................404.1模具设计流程.............................................404.2分模图...................................................41第五章医疗连接头的模拟分析....................................425.1CAE技术在注射模具中的应用...............................425.2基于Moldflow的注塑工艺模拟.............................425.2.1Moldflow在注塑模设计中的作用：.........................425.2.2Moldflow的MPI／Flow模块分析过程.....................43南京工程学院毕业设计说明书（论文）第3页5.3应用Moldflow进行连接头注射阶段流动分析的方法...........435.3.1几何建模.............................................435.3.2网格划分...............................................445.3.3浇口位置及数量的确定...................................445.3.4材料及工艺参数设置.....................................445.4最佳方案的确定...........................................455.4.1浇口位置...............................................455.4.2充模时间...............................................455.4.3压力分布...............................................455.4.4熔料温度分布...........................................465.4.5熔接痕分布...................