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玩具照相机某零件支架注塑模具设计论文[带图纸].doc

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玩具照相机某零件支架注塑模具设计论文[带图纸].doc

本科毕业设计论文题目玩具照相机某零件支架注塑模具设计系部机电信息系专业机械设计制造及其自动化班级学生学号指导教师2013年5月I照相机某零件支架注塑模具设计摘要模具是工业生产的基础工艺装备,也是发展和实现少无切削技术不可缺少的工具。它在工业生产中使用极为广泛,是当代工业生产的重要手段和工艺发展方向,许多现代工业的发展和技术水平的提高,在很大程度上取决于模具工业的发展水平。因此,模具技术发展状况及水平的高低,直接影响到工业产品的发展。也是衡量一个国家工艺水平的重要标志之一。本次毕业设计的题目是照相机某零件支架注塑模具设计。本文主要论述了塑料注射模的基本原理和设计过程,并着重讲述了充电器外壳注射模的设计过程。首先,讲述了模具的作用和国内外的发展状况及其发展方向。然后论述了方案的选择和确定。再次对于所确定的方案给出了详细的设计过程和计算过程,最后还对所设计的模具进行了经济性可行性分析。总的来说,所设计的这套模具经济合理,可行性强,生产方便,是一套实用性较强的模具。关键词注射模定模动模抽芯斜导柱IIThecamerabracketapartsinjectionmolddesignAbstractThemoldingtoolisafoundationcraftthatindustryproducetoequip,italsoadevelopmentwithrealizesthelittlehavingnoslicetheindispensabletoolinthetechniqueofcutting.Itisinindustryproducetheusageisextremelyextensive,itanimportantmeansthatcontemporaryindustryproducetodevelopthedirectionwiththecraft,manymodernindustrialdevelopmentswithhorizontalexaltationintechnique,bedecidedbytheindustrialdevelopmentinmoldingtoolleveltoalargeextent.Therefore,moldingstooltechniquedevelopmentconditionandhorizontalandhighandlow,affectthedevelopmentoftheindustryproductdirectly.Tooistomeasuretheoneofthehorizontalandimportantmarkingsinanationalcraft.Thegraduationprojecttitleisthecamerabracketapartsinjectionmolddesign.,thistextdiscussedprimarilytheplasticsinjectsthebasicprincipleofthemoldwithdesigntheprocess,combiningtoemphasizetorelatetheChargersshellinjectthedesignprocessofthemold.First,relatedthefunctionofthemoldingtoolwithdomesticandinternationaldevelopmentconditionanditsdevelopmentdirections.Thendiscussedthechoiceoftheprojectwithcertain.Returnsaprojectformakingsuregiveadetaileddesignprocesswithcomputeprocessverymuchagainthemoldingtooltodesigntoprecededtheeconomicviabilityassessment.Totaltosay,athissetofmoldingtoolsfordesigningeconomyreasonable,thepossibilityisstrong,producingtheconvenience,itastrongermoldingtoolinasetoffunction.KeywordInjectthemoldSettlethemoldMovethemoldTakeoutcoreInclinedslipperypieceIII目录1绪论..........................................................................................................................11.1题目背景意义....................................................................................................11.2塑料工业简介....................................................................................................11.3我国塑料模具现状............................................................................................21.4塑料模具具发展趋............................................................................................31.5本文主要研究内容............................................................................................32制品的分析...........................................................................................................42.1制品的简介........................................................................................................42.1.1对制品的分析主要包括以下几点...........................................................42.1.2本设计中塑件各项要求...........................................................................42.2制品的工艺性及结构分析................................................................................42.2.1结构分析...................................................................................................52.2.3材料的性能分析.......................................................................................52.3注射成形过程....................................................................................................72.3.1ABS的注射工艺参数..............................................................................72.3.2ABS的主要性能指标..............................................................................73模具制造................................................................................................................83.1确定型腔数量及排列方式................................................................................83.2模具结构形式的确定........................................................................................83.2.1多型腔单分型面模具.............................................................................83.2.2多型腔多分型面模具.............................................................................83.3注塑机型号的确定...........................................................................................83.3.1注射机的选用原则.................................................................................93.3.2有关制品的计算............................................................................................93.3.3注射机型号的确定................................................................................93.3.4注射机及各个参数的校核.....................................................................93.4分型面位置确定.............................................................................................113.4.1分型面的选择原则...............................................................................113.5浇注系统的设计123.5.1浇注系统设计原则...............................................................................123.5.2主流道的设计.......................................................................................12IV3.5.3冷料穴的设计.......................................................................................143.5.4浇口的设计...........................................................................................143.5.5浇注系统凝料的脱出机构...................................................................163.6脱模推出机构的确定.....................................................................................163.6.1脱模推出机构的设计原则...................................................................163.6.2制品推出的基本方式...........................................................................173.7抽芯机构的设计.............................................................................................173.7.1侧向抽芯机构.......................................................................................173.8合模导向机构的设计.....................................................................................183.8.1导向机构的分类...................................................................................183.8.2本设计中导柱的设计...........................................................................183.9排气系统的设计.............................................................................................193.9.1排溢设计...............................................................................................193.9.2引气设计...............................................................................................193.9.3排气系统...............................................................................................193.9.4该套模具的排气方式...........................................................................193.10温度调节系统设计.......................................................................................193.10.1加热系统.............................................................................................193.10.2冷却系统.............................................................................................203.11模架的确定和标准件的选用.......................................................................203.12成形零件的结构设计和计算.......................................................................213.12.1定模(凹模)的设计.........................................................................213.12.2型芯(凸模)的设计.........................................................................224塑料模具材料的选用及技术要求...............................................................244.1塑料模具材料的性能要求..............................................................................244.2塑料模具零件选材原则..................................................................................244.3模具的精度要求..............................................................................................244.3.1模具零件的公差与配合选择.................................................................245模具工作过程....................................................................................................2555.1成型前的准备....................................................................................................255.1.1原料的检验和预处理...............................................................................255.1.2料筒的清洗...............................................................................................255.1.3嵌件的预热...............................................................................................25

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