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HPVC带支承弯管成型工艺及注塑模具设计论文[带图纸].doc

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HPVC带支承弯管成型工艺及注塑模具设计论文[带图纸].doc

哈尔滨工业大学华德应用技术学院毕业设计(论文)I摘要本论文基于塑料弯管注塑工艺分析及模具设计,介绍了注射成型的基本原理,对注塑产品提出了基本的设计原则详细介绍了注射模具浇注系统和顶出系统的设计过程,并对模具强度要求做了说明。以塑料弯管模具为主线,综合了成型工艺分析,模具结构设计,最后到模具零件的加工方法,模具总的装配等一系列模具生产的所有过程。能达到很好的学以致用的效果。在设计该模具的同时总结了以往模具设计的一般方法、步骤,模具设计中常用的公式、数据、模具结构及零部件。把以前学过的基础课程融汇、综合应用到本次设计当中来。该注射模最显著的特征是避免了传统的脱模方式。该模具结构设计简单可靠,加工装配方便。本文简要介绍了模具行业现在的情况和未来的发展趋势。提到了限制模具发展的因素。在查阅参考文献和对塑件进行工艺性分析的基础上,确定了模具设计的整体方案。并对塑料模具的设计参数进行了必要的计算,根据计算结果选用了注射机。最后利用AutoCAD软件对塑件外壳注射模总装配图及主要零部件进行了设计,完成了模具的整体结构设计。关键词注射模顶出系统分型面。哈尔滨工业大学华德应用技术学院毕业设计(论文)IIAbstractInthispaper,basedonthemouthofthebottleCypriotinjectionmolddesignandprocessanalysis,Thisdesignintroducedtheinjectiontakesshapethebasicprinciple,speciallysingleisdividedtheprofiletoinjectthemoldthestructureandtheprincipleofwork,tocasttheproducttoproposethebasicprincipleofdesign,tothemouthofthebottleCypriotDiemainline,theIntegratedProcessanalysis,molddesignofthestructure,thelasttodiepartsmachiningmethods,thedieassemblyandaseriesofmoldallprocess.CanbegoodlearningZhiyongresults.Inthedesignofthemoldwhilesummingupthepastdiedesignthegeneralmethodsandprocedures,commonlyusedinthediedesignformula,data,structureandmoldparts.Previouslystudiedthebasiccoursestointegrate,integratedintothedesignofthis,thesocalledgooduse.Thefirstpartbrieflyintroducedmouldindustryandthecurrentsituationinthefuture.Mentionedthefactorsrestrictingthedevelopmentofmold.Thesecondpartofaprocessoftheworkpieceanalysis,molddesignpackage.Accordingtoplasticmolddesignmanualandtherelevantexperienceoftheformulanecessary,accordingtoresultsoftheinjectionmachineused.Furthercompletionofthestandardandnonstandardchoiceofthedesign.PartIIIcompletionoftheoverallstructureofthemolddesign.KeywordsInjectionMoldDesignProcesstechniquePullingstructur哈尔滨工业大学华德应用技术学院毕业设计(论文)III目录摘要.................................................................................................................IAbstract..........................................................................................................II第1章绪论...................................................................................................11.1模具工业在国民经济中的地位..........................................................11.2各种模具的分类..................................................................................21.3我国模具工业的现状...........................................................................31.4我国模具技术的现状及发展趋势......................................................41.5国外模具工业的发展情况..................................................................51.6毕业设计的要求及主要内容..............................................................61.6.1设计要求.......................................................................................61.6.2设计的主要内容...........................................................................6第2章注射件材料的分析...........................................................................72.1塑料制品的设计分析..........................................................................72.2塑件体积和质量..................................................................................82.3材料特性..............................................................................................82.3.1HPVC的特点................................................................................82.3.2HPVC的成形特性........................................................................92.4脱模斜度...............................................................................................92.5塑件的壁厚.........................................................................................102.6本章小结............................................................................................11第3章模具设计.........................................................................................123.1型腔数量的确定与配置....................................................................123.1.1型腔数量的确定.........................................................................123.1.2分型面的确定.............................................................................133.1.3型腔的配置.................................................................................133.2注射机的选用....................................................................................153.2.1注射机类型选择.............................................................................153.2.2注塑机基本参数.........................................................................163.2.3塑件的的参数计算.....................................................................17哈尔滨工业大学华德应用技术学院毕业设计(论文)IV3.3模架的确定........................................................................................193.3.1标准模架简介.............................................................................193.3.2标准模架的选用..........................................................................193.4成型零部件的工作尺寸计算............................................................223.4.1工作尺寸分类和规定.................................................................223.4.2影响制品尺寸误差的因素.........................................................223.4.3凹模尺寸计算.............................................................................243.4.4凸模尺寸计算.............................................................................273.4.5型芯尺寸计算..............................................................................283.4.6型腔侧壁以及底板厚度尺寸.....................................................293.6本章小结............................................................................................30第4章浇注系统.........................................................................................314.1主流道................................................................................................324.1冷料穴设计........................................................................................334.2分流道设计........................................................................................334.4浇口....................................................................................................344.5浇口套的设计....................................................................................354.6定位圈设计........................................................................................354.7本章小结............................................................................................36第5章导向机构设计.................................................................................375.1导向机构的设计................................................................................375.1.1导柱的设计.................................................................................375.1.2导套的设计.................................................................................385.1.3设计导柱和导套须注意的事项..................................................395.3本章小节............................................................................................40第6章脱模机构设计.................................................................................416.1脱模机构的选择................................................................................416.1.1确定推出机构..............................................................................416.1.2脱模力计算..................................................................................416.2抽芯距和抽芯力的计算....................................................................426.2.1抽芯距离的确定.........................................................................426.2.2抽芯力的计算.............................................................................426.3斜导柱的设计....................................................................................43哈尔滨工业大学华德应用技术学院毕业设计(论文)V6.3.1斜导柱的倾角............................................................................436.3.2斜导柱的长度计算......................................................................446.3.3斜滑块的确定..............................................................................446.3.4楔紧块的设计..............................................................................466.4齿轮、轴、轴承的设计....................................................................466.4.1齿轮的选择.................................................................................466.4.2轴的的设计.................................................................................476.5油缸的选择........................................................................................486.6本章小节............................................................................................48结论.............................................................................................................49致谢...............................................................................................................50参考文献.......................................................................................................51

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