一种卡板冲压工艺及模具设计

本科毕业设计一种卡板冲压工艺及模具设计学院商丘工学院专业机械设计制造及其自动化学号4113010508学生姓名王鹏指导教师管红艳提交日期2017年05月18日编码2017-JXSJ专业代码080202-169诚信承诺书本人郑重承诺和声明：我承诺在毕业论文撰写过程中遵守学校有关规定,恪守学术规范,此毕业论文(设计)中均系本人在指导教师指导下独立完成,没有剽窃、抄袭他人的学术观点、思想和成果,没有篡改研究数据,凡涉及其他作者的观点和材料,均作了注释,如有违规行为发生,我愿承担一切责任,接受学校的处理,并承担相应的法律责任。毕业论文（设计）作者签名：年月日I摘要本次的毕业设计是完成卡板冲压工艺与模具设计，根据对零件的综合分析，设计了两套模具：第一种是利用连续模进行冲孔落料，第二种利用弯曲模进行弯曲操作，在设计中，首先依据工件图计算毛坯尺寸，接着是算出工件的压力、坯料的利用率，画出排样图的设计草图以及对凸凹模的刃口尺寸进行计算，然后再次对工件进行分析，并确定合理的加工方案，确定模具的类型和压力机的选用，最终完成模具的装配与调试。对重要的零部件与装配要求技术进行必要的分析。在本次的设计过程中除了设计说明书之外，还包括了模具的装配图、三维装配图和一些非标准零件图等。在这次毕业设计中，先介绍了卡板的结构，对其工艺特点进行分析，再根据其结构特点对模具进行设计。本次的毕业设计使用了CAD绘制模具的主要工作部件图和装配图，还使用了各种三维软件；如UG、Proe等，绘制了模具的三维图形，有利于我们对模具结构有更深的了解。在本次毕业设计中，首先介绍了模具行业的特点以及国内外发展现状，并对未来的发展方向进行了分析。然后对所设计的模具进行了工艺分析和设计计算，并且根据主要的参数选择合理的冲压设备，最后完成了总体图纸和关键零部件的图纸。最后总结了本次设计的心得以及经验。关键字：卡板冲压;模具设计;连续模;装配图IIAbstractThisgraduationdesigniscompletedcardstampingprocessanddiedesign,accordingtothecomprehensiveanalysisofparts,twosetsofmolddesign:thefirstoneistheuseofcontinuouspunchingdie,usingsecondkindsofbendingdieforbendingoperations,inthedesign,basedontheworkdrawingcalculationblanksize,thencalculatedaccordingtoworkpressure,blankrate,sketchedoutthelayoutofpunchanddiesizeofthebladeiscalculated,andthenagainontheworkpieceisanalyzed,anddeterminethereasonableprocessingplan,determinetheselectionoftypeandpressmold,thefinalcompletionofthemoldassemblyanddebugging.Conductnecessaryanalysisofkeycomponentsandassemblyrequirements.Inthedesignprocessinadditiontothedesignspecifications,butalsoincludesthemoldassemblydrawings,three-dimensionalassemblydrawingsandsomenon-standardpartsdrawings,etc..ThegraduationdesignofthemainworkingpartsusingCADdrawingdiedrawingandassemblydrawing,butalsouseavarietyof3Dsoftware;suchasUG,Proeetc,rendering3Dgraphicstodie,wehaveadeeperunderstandingofthestructureofdie.Inthisgraduationproject,thispaperfirstintroducesthecharacteristicsofthemoldindustryaswellasthedevelopmentstatusathomeandabroad,andanalyzesthefuturedevelopmentdirection.Andthenthedesignofthemoldprocessanalysisanddesigncalculations,andaccordingtothemainparametersoftheselectionofreasonablestampingequipment,andfinallycompletedtheoveralldrawingsanddrawingsofkeycomponents.Atlast,itsummarizestheexperienceandexperienceofthisdesign.Keywords:stampingcardboard;Molddesign;Progressivedie.AssemblydrawingIII目录1绪论.................................................................................................................................11.1模具行业的发展现状及发展趋势......................................................................11.2冲压工艺的介绍..................................................................................................11.3冲压模具的分类..................................................................................................11.4所面临的问题及解决方法..................................................................................12冲压工艺分析.................................................................................................................22.1产品零件图..........................................................................................................22.2制件产品的工艺分析..........................................................................................22.2.1制件产品的工艺审核...............................................................................22.2.2工件工艺分析...........................................................................................32.3模具结构类型工艺方案......................................................................................32.3.1类型与结构...............................................................................................32.3.2冲载原理...................................................................................................42.3.3零件方案确定...........................................................................................43连续模.............................................................................................................................53.1半成品零件图......................................................................................................53.2连续模的工作原理..............................................................................................53.3工件的工艺分析..................................................................................................53.4排样设计..............................................................................................................63.4.1排样的设计原则.......................................................................................63.4.2最小工艺搭边值的选择...........................................................................63.4.3计算送料步距...........................................................................................63.4.4计算条料宽度...........................................................................................73.4.5排样图的绘制...........................................................................................73.5条料尺寸的选择..................................................................................................83.6裁板方式..............................