编号本科生毕业设计(论文)题目:侧面夹持自动送料连续模设计机械工程工程学院机械工程及自动化专业学号学生姓名指导教师二〇一二年六月摘要I摘要冲压模具在实际工业生产中应用广泛。冲压模具的自动送料技术也投入到实际的生产中,冲压模具可以大大的提高劳动生产效率,减轻工人负担,具有重要的技术进步意义和经济价值。在这次设计中,首先我们使用UG软件的三维造型功能,对零件进行三维造型。对零件进行工艺性分析,绘制零件的二维和三维图,以加深对零件的理解。了解冲裁件、拉深件和成形件结构的工艺性。设定零件的工艺方案,比较工艺方案并确定工艺方案。计算毛坯的尺寸,计算冲裁次数,设定各步半成品的尺寸并绘出工序简图。计算各个工序的工作压力,设计并绘出模具简图,选取各个合适的零件。了解落料模、拉深模、整形模、切边模和冲孔模的特点和需要注意的问题,在模具简图的基础上进行模具结构工艺性分析,进行模具结构设计并选择冲压设备。关键词:模具设计、工艺方案、结构设计ABSTRACTIIABSTRACTPunchingdiehasbeenwidelyusedinindustrial.moreSelf-actingfeedtechnologyofpunchingdieisalsousedinproduction,punchingdiecouldincreasetheefficienceofproductionandcouldalleviatetheworkburden,soithassignificantmeaningintechnologicprogressandeconomicvalue.Inthisdesign,firstweusethe3DsculptfunctionofUGtocreate3Dmodelofthepart.Duringtheprocedure,theworkpiece’scraftworkcharacterisanalyzed,theworkpiece’s2-Ddrawingand3-Dmoldaremade,sothattheworkpiececanbebettercomprehended.Learnthestructuralcraftworkcharacteroftheworkpiece,sodoesthedrawingandformingcraftworkcharacter.Makesuretheworkpiece’scraftproject,comparethemandmakethefinaldisicion.Calculatethesizeoftheroughcastandselectitsshape.Calculatethetimesofthedrawings,makesurethesizeofthesemi-manufacturedworkpieceofeverysteps,anddrawtheworkingprocedure’ssketch.Calculatetheeveryworkingpressure,designanddrawdie’ssketch,selecteveryappropriateparts.Comprehendeveryneededdies’characterandtheissuesthatisneededtobepayedmoreattention.Onthebaseofthedies’sketch,thedies’structureisanalyzed,andthengoondesigningtheirstructuresandselectingpunchequipments.Keywords:Craftproject、manufacture、structuredesign.目录III目录摘要..........................................................................................................................IABSTRACT.............................................................................................................II第1章绪论.............................................................................................................11.1冲压技术发展与应用....................................................11.2模具发展现状..........................................................21.3本课题的主要内容与意义................................................3第2章工艺分析及冲压方案确定.........................................................................52.1冲压件工艺分析........................................................52.2工艺方案分析及确定....................................................52.2.1工艺方案分析................................................................52.2.2冲压工艺方案的确定..........................................................72.3冲压排样设计..........................................................72.3.1排样原则....................................................................72.3.2排样图.....................................................................10第3章模具主要工艺参数计算...........................................................................113.1模具冲裁间隙选择.....................................................113.2模具刃口尺寸计算.....................................................113.2.1刃口尺寸计算的基本原则.....................................................113.2.2模具刃口尺寸的计算.........................................................12第4章模具总体设计...........................................................................................174.1送料方式的选择.......................................................174.2卸料方式的选择.......................................................184.3模具定位于紧固件的选择...............................................184.4模具导向零件的选择...................................................19第5章模具主要零部件设计...............................................................................235.1主要模板设计.........................................................235.2凸模结构设计.........................................................235.3凹模结构设计.........................................................275.4模具材料的选用.......................................................30第6章模具装配...................................................................................................316.1模具的安装调试.......................................................31江南大学学士学位论文IV6.1.1确定装配方法和装配顺序......................................................316.1.2装配要点....................................................................316.2模具总装图............................................................31第7章冲压设备的选择.......................................................................................357.1冲裁力的计算..........................................................357.2压力机的选用..........................................................357.2.1冲压设备规格的选择..........................................................357.2.2公称压力(吨位)............................................................357.2.3滑块行程和行程次数..........................................................367.2.4装模高度....................................................................367.2.5模具冲压设备的选择及参数....................................................367.3压力机校核............................................................37第8章结论....................................................................................