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按钮注塑模具设计论文[带图纸].DOC

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按钮注塑模具设计论文[带图纸].DOC

西安文理学院机械电子工程系本科毕业设计(论文)题目按钮注塑模具设计专业班级机械设计制造及其自动化08级2班学号08102080230学生姓名李海锋指导教师周毓明设计所在单位机械电子工程系注塑模具设计摘要在按钮注塑模结构被设计过程中,设计者针对产品材料性能、结构特点进行工艺分析通过分析,确定该模具的型腔建数模、分型面、初选了注塑机。然后在PROe环境下进行该模具的成型零件设计、模架结构系统设计,最后模具总成,生成二维总装图和非标准零件零件图,并在PROe中对按钮的型腔进行数控加工。整套模具设计都基于CAD进行模具总装图和零件图从CAD中生成。本设计实现了模具CAD,对今后从事模具设计具有一定的实际指导意义。关键词塑料注塑模设计pro/ETheDesignofInjectionMoldAbstractThepressbuttonisdesignedoftheinjectionmoldingprocess,thedesignerfortheproductstructureofthematerialproperties,processanalysisthroughanalysis,determinethemouldcavityisbuiltmodularandpartingsurfaces,aplasticinjectionmoldingmachineoftheprimaries.AndthenmakethePROediespartsdesign,moldframesystemdesign,andfinallydieAssembly,generatetwodimensionalGeneralAssemblydrawingsandnonstandardpartsdiagrams,andforthepress–buttoninthePROebottomcoverofcavityforCNCmachining.ToolingdesignarebasedonCADformouldGeneralAssemblydrawingsandpartsdiagramsgeneratedfromCAD.ThisdesignenablesmouldCAD,engagedinthedesignofthedieinthefuturewithsomepracticalguidance.KeywordsPlasticInjectionmoldDesignpro/E目录第1页目录第一章绪论............................................................................................................................................11.2课题研究的目的与意义.............................................................................................................21.3本课题主要研究内容.................................................................................................................2第二章分析制品及材料工艺性.........................................................................................................32.1塑件材料的选择........................................................................................................................32.2ABS材料分析............................................................................................................................32.2.1使用性能及用途..............................................................................................................32.2.2成型性能........................................................................................................................32.2.3ABS的主要技术指标.....................................................................................................42.2.4ABS成型塑件的主要缺陷及消除措施..............................................................................42.3注射成型工艺过程.....................................................................................................................42.4模架结构示意图.........................................................................................................................5第三章注塑机选择..............................................................................................................................63.1注塑机型号的初步确定............................................................................................................63.2按射机的最大注射量进行校核.................................................................................................63.3锁模力的校................................................................................................................................73.4最大注射压力校核.....................................................................................................................73.5模具与注射机安装部分的校核.................................................................................................7第四章分型面的确定.............................................................................................................................84.1分型面基本形式.........................................................................................................................84.2选择分型面的基本原则.............................................................................................................84.3分型面的确定............................................................................................................................9第五章浇注系统设计...........................................................................................................................105.1浇注系统设计应遵循的基本原则...........................................................................................105.2主流道的尺寸...........................................................................................................................105.3主流道衬套的形式...................................................................................................................125.4分流道的布局形式...................................................................................................................125.5冷料井的设计...........................................................................................................................135.5.1主流道冷料井的设计....................................................................................................13第六章模架的确定和标准件的选用...............................................................................................14目录第2页6.1定模固定板..............................................................................................................................146.2定模板......................................................................................................................................146.3动模固定板..............................................................................................................................146.4动模板......................................................................................................................................146.5动模垫板..................................................................................................................................156.6垫块..........................................................................................................................................156.7其他零件..................................................................................................................................15第七章成型零部件设计.....................................................................................................................167.1凹模结构..................................................................................................................................167.2成型零件工作部分的尺寸计算...............................................................................................167.3计算成型零部件工作尺寸要考虑的因素...............................................................................167.3.1塑件的收缩波动............................................................................................................167.3.2模具成型零件的制造误差............................................................................................177.3.3模具成型零件的磨损....................................................................................................177.3.4模具安装配合误差........................................................................................................177.4凹模径向尺寸计算...................................................................................................................187.4.1凹模径向尺寸的计算....................................................................................................187.4.2凹模深度尺寸计算........................................................................................................187.5定模板及凹模部分的结构确定...............................................................................................197.5.1凸模径向尺寸的计算....................................................................................................197.5.2凸模深度尺寸计算........................................................................................................19第八章导向与定位机构设计...............................................................................................................218.1导向结构的总体设计..............................................................................................................218.2导柱的设计............................................................................................................................228.3导向孔.....................................................................................................................................228.4定位圈设计..............................................................................................................................23第九章塑件脱模的机构设计...............................................................................................................249.1脱模机构的组成......................................................................................................................249.2推出机构的设计设计原则......................................................................................................249.3脱模机构的分类......................................................................................................................24第十章排气槽的设计...........................................................................................................................26第十一章模具的试模与修模...............................................................................................................2711.1注射机选定............................................................................................................................27

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