滑轮弯模压线卡冲压工艺与模具设计

I青岛理工大学2010材料成型及控制工程大丸子2014.1.2II摘要本文介绍的模具实例结构简单实用，使用方便可靠，首先根据工件图算工件的展开尺寸，在根据展开尺寸算该零件的压力中心，材料利用率，画排样图。根据零件的几何形状要求和尺寸的分析，采用复合模冲压，这样有利于提高生产效率，模具设计和制造也相对于简单。当所有的参数计算完后，对模具的装配方案，对主要零件的设计和装配要求技术要求都进行了分析。在设计过程中除了设计说明书外，还包括模具的装配图，非标准零件的零件图。本套模具包括落料冲孔复合模和弯曲模两套模具，在模具的结构设计和计算完成后，开始利用UGNX建模模块下设计模具的每个零件图，如上、下模座，上、下垫板，凸、凹模等，在零件的设计过程中需要利用UGNX的拉伸、旋转、扫掠、孔等各种功能，有利于我们熟悉UGNX的强大功能。之后在UGNX装配模块下再将零件装配。最后再利用UGNX将零件的三维图转换为二维图。关键词：模具复合模弯曲模冲压UGNXIIIAbstractThistextintroductivemoldingtoolsolidexamplethestructureisinbriefpractical,theusageconvenienceisdependable,firstaccordingtotheworkpiecethediagramcalculatetheworkpiecetolaunchsize,ataccordingtolaunchthepressurecenterthatthesizecalculatesthatspareparts,thematerialutilization,paintingrowkinddiagram.Accordingtosparepartsofseveraltheshaperequestwiththeanalysisofthesize,adoptioncompoundthemoldhurtletopress,sobeadvantageoustoanexaltationproductionanefficiency,moldingtooldesignandmanufacturingalsooppositeinsimple.Whenallparametercalculationsareoverafter,requestedthetechniquerequeststothedesignandassembleofthemainsparepartstoallcarryonanalysistotheassembleprojectthatwhetstohave.Duringtheperiodofdesigninadditiontodesigningmanual,alsoincludetheassemblediagramofthemoldingtool,thesparepartsdiagramofthenot-standardspareparts,theworkpieceprocessesthecraftcard,thecraftrulesdistancecard,thenot-standardsparepartsprocessescraftprocesscard.Thissetofpunchdiesincludingblankingdieandbendingdietwosetsofcompositemold,inmolddesignandcalculationofthestructureiscomplete,startusingUGNXModelingtodesignthemoldforeachpartdrawing,above,underthemoldbase,thenextplate,convex,concavemold,thepartsofthedesignprocessneedtouseUGNXstretching,rotating,sweeping,holeandotherfeatureswillhelpusknowthepowerofUGNX.Finally,usingUGNXwillbepartofthethree-dimensionaldiagramintotwo-dimensionalmap.Keywords:mold,compounddie,bendingdie,stamping,UGNX目录IV摘要.........................................................................................................................IAbstract.................................................................................................................III目录.....................................................................................................................III1前言......................................................................................................................11.1本课题研究的意义..........................................................................................11.2研究本课题国内外的现状..............................................................................11.3本课题研究的主要内容..................................................................................22．冲裁零件工艺分析及工艺方案确定........................................................32.1弯曲件的工艺分析......................................................................................................32.1.1结构与尺寸............................................................................................32.1.2尺寸精度.................................................................................................42.2工艺方案的确定...........................................................................................................43．冲裁工艺与设计计算....................................................................................53.1计算毛坯的尺寸............................................................................................................53.1.1计算中性层弯曲半径.......................................................................................53.2排样、计算条料宽度及步距的确定.......................................................................63.2.1搭边值的确定.....................................................................................................63.3冲裁力的计算...............................................................................................................83.3.1计算冲裁力的公式............................................................................................83.3.2总冲裁力、卸料力、推料力、顶件力、弯曲力和总冲压力..............93.3.3总的冲压力的计算.........................................................................................113.4模具压力中心与计算.................................................................................................113.5凸凹模的尺寸计算....................................................................................................123.5．1冲裁模间隙的确定.......................................................................................123.5.2刃口尺寸的计算..............................................................................................134．冲裁模具的主要零件、结构设计及材料选择...................................164.1凸凹模设计..................................................................................................................164.2凹模的设计..................................................................................................................174.2.1刃口高度的计算...................................................................................174.3凸凹模的设计.........................................................................................................