负极片连续弯曲模的设计

编号：毕业设计说明书题目：负极片连续弯曲模的设计院（系）：机电工程学院专业：机械设计制造及其自动化学生姓名：刘卓学号：1100110118指导教师单位：机电工程学院姓名：杨运泽职称：讲师题目类型：理论研究实验研究工程设计工程技术研究软件开发2015年6月5日摘要本次毕业设计以负极片连续弯曲模为设计对象，本模具的制件的材料为QSn6.5-0.1（锡青铜）。负极片为工程实际零件，常用于仪器行业等。在设计过程中分析了负极片冲裁，弯曲成型工艺，介绍了排样方案，冲压工艺力的计算，凸凹模刃口尺寸计算，主要零部件的的设计，模具闭合高度的计算，模具的制造工艺。在冲孔、落料、弯曲级进模具的设计过程中，我收集了大量的材料去研究冲模的设计过程，参考了大量的关于冲压模设计及冲压工艺的书籍和技术资料，研究本冲压模设计的每一个要点，对每一个零件的设计都验证了其合理性，刻苦钻研复合模设计的过程，及时发现问题并找了指导老师解决。在设计本模具的过程中我对模架的强度，需加的垫板，弹簧的力与卸料力的比较都进行了相应的计算选择和校核。另外在生产条件下进行了验证，保证了该工艺的可行性，为缩短产品生产周期、节省原材料及大批量生产创造了条件。对此次设计的设计要点，本文进行以下几方面研究：1.应用绘图软件AutoCAD进行零部件设计，减少试模次数，提高生产效率，节省成本；2.本次设计的模具采用冲孔落料弯曲级进模，节省人力，节省了工序，从真正意义上实现高效率的生产；3.本次的设计结果是可行的，可以在具体生产中应用；4.通过计算，凸模要加上垫板增加其强度5.考虑了刃口的增减性，在进行冲压时，凸模刃口尺寸减小，凹模刃口尺寸增大。冲裁间隙选用最小合理间隙。关键词：负极片；冲孔；弯曲；落料；连续模设计AbstractThemolddesignislateralsupportmulti-positionprogressivedie.WorkpiecematerialisQSn6.5-0.1.Negativeplateforengineeringactualparts,commonlyusedintheinstrumentindustry,etc..Inthedesignprocessintheanalysisofthenegativeplateblanking,bendingformingprocess,introducesthelayoutscheme,stampingforcecalculation,punchanddiecuttingedgesizecalculation,designofthemainparts,dieshutheightcalculation,moldmanufacturingprocess.Inpunching,blanking,bendinglevelinmoulddesignprocess,Icollectedalotofmaterialtostudydiedesignprocess,withreferencetothelargenumberofaboutdesignofstampingdieandstampingprocessbooksandtechnicaldata,everypointofthestampingdiedesignresearch,designofeverypartsverifyitsrationalityandassiduouslycompounddiedesignprocess,timelydetectionofproblemsandfindtheguidanceteacherstosolve.Theplateinthemolddesignandtheprocessofmystrengthofthemoldframe,theneedtoadd,thespringforceandtheunloadingforcecomparedtothecorrespondingcalculationandselectionofthecheck.Inaddition,theproductionconditionsareverified,andthefeasibilityoftheprocessisensured,andtheconditionsforshorteningtheproductioncycle,savingrawmaterialsandmassproductionarealsoensured..Thedesignpointsofthedesign,thefollowingaspectsoftheresearch:1.IappliedthedesigningsoftwareAutoCADintotheprogressofdesigningcomponents;thishasdecreasedthenumberoftimesofexperimentingmodel,improvedefficiency,minimizedcost;2.Themoulddesignhaseconomizedmanpower,workingprocedure,realizedhighefficiencywithhighsignificance;3.Thedesignresultisfeasible,canbeappliedintorealproduction;4.Increasedwhoseintensitybyaddingprotrudingmodelwithbackingboard5.Whenstampingarecarriedout,theaddingorsubtractingofacuttingedgedimensionshouldbeconsidered.Iselectedandusedtheminimalrationalgapaccordingtocuttingagap.Keywords:cathodepiece;punching;bending;blanking;Continuousmolddesign目录1前言·········································································································11.1冲压的概念······················································································11.2冲压模具的分类················································································21.3冲压模具的主要应用··········································································21.4冲压模具发展现状·············································································32设计任务··································································································42.1制件分析·························································································42.2制件的工艺分析················································································53冲压方案确定··························································································63.1冲压方案·························································································63.2冲压方案分析比较·············································································64排样设计··································································································74.1排样设计·························································································74.2排样的基本类型················································································74.3排样的确定······················································································74.4材料利用率的计算·············································································85冲压工艺力的计算···················································································95.1冲裁工艺力的计算·············································································95.1.1各个工位冲裁力计算·············································································105.2弯曲力计算····················································································115.2.1各工位弯曲力计算················································································115.3总冲压工艺力计算···········································································125.4冲模压力中心的确定········································································125.5压力机的选择·················································································136凸凹模刃口尺寸计算·············································································156.1冲裁刃口尺寸·················································································156.1.1刃口尺寸的确定原则·······