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7702型摩托车转向锁支架冲压模具设计说明书.doc

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7702型摩托车转向锁支架冲压模具设计说明书.doc

I摘要本设计主要对7702型摩托车转向锁支架冲压模具进行了设计。结合公司实际生产要求和产品的特点,在厂原有的设计上,对模具进行了改进设计。本设计对摩托车转向锁支架加工工艺进行了分析,得出了最佳加工方案,在充分保证零件质量与精度的前提下,选择高生产率的加工工艺,降低生产成本,从而有效地节约了材料。本设计中使用计算机软件进行了辅助设计,在保证高精度的同时简化了传统的繁琐计算过程,使设计更为便捷。该转向锁零件从坯料到完全成形,共用到两套模具冲孔落料复合模与弯曲模。所设计的两套模具较为典型,也具有一定的代表性。本设计的重点与难点是对凸、凹模刃口尺寸的计算,因为它将直接影响零件的质量。关键词冲压模具复合模辅助设计模具结构IIAbstractThedesignmainlystudiesthestampingdieforthenogofturninglock,7702motorcycle.UnitetheactualproductionrequirementsandproductcharacteristicsofGreatRiverCorporation,undertheoriginaldesignofthefactory,carriesontheinnovativedesigntothedie.Thedesigncarriesonthecraftanalysistothenogofturninglock,obtainsthebestworkingscheme.Inthefullguaranteeofthecomponentsqualityandtheprecision,ofreducingtheproductioncost,thehighproductivityprocessingcraftischoosen.Thedesignusesthecomputeraideddesignsoftwaretoensurehighprecisionwhilesimplifyingthecalculationoftraditionalandcumbersomeprocesstosimplifythedesign.Thenogofturninglockfromtheblankstocompleteforminghastwosetsofmoldaggregatelythepunchingblankingcompounddieandthebendingdie.Thetwosetsofmoldsaretypicalandhavecertainrepresentations.Thekeystoneandnodusofthisdesignaretheaccountoftheknifeedgeoftheprotrudedieandtheconcavedieasitwouldaflectthequalityoftheaccessorystraightly.KeywordsstampingdiecompounddieaideddesigndiestructureIII目录摘要............................................................................................................................................IAbstract.........................................................................................................................................II第1章绪论...............................................................................................................................11.1课题来源和研究意义...................................................................................................11.2国内外在该方向的研究现状及分析...........................................................................11.3本课题研究的主要内容...............................................................................................21.4本章小结.......................................................................................................................2第2章摩托车7702转向锁支架加工工艺综合分析.............................................................32.1摩托车7702转向锁支架加工工艺要求.....................................................................32.2零件图分析...................................................................................................................32.3冲压工艺性审查...........................................................................................................42.4冲压件经济性和先进性分析.......................................................................................42.5工艺方案的确定...........................................................................................................42.6本章小结.......................................................................................................................5第3章落料冲孔复合模的设计...............................................................................................63.1冲压件的工艺分析.......................................................................................................63.2排样...............................................................................................................................63.3计算冲压力...................................................................................................................63.3.1落料力.................................................................................................................63.3.2冲孔力.................................................................................................................63.3.3落料时的卸料力.................................................................................................73.3.4冲孔时的推件力.................................................................................................73.4确定模具压力中心.......................................................................................................73.5计算凸、凹模刃口尺寸...............................................................................................73.5.1冲孔凸、凹模刃口计算.....................................................................................73.5.2落料凸、凹模刃口计算.....................................................................................83.6凸模、凹模、凸凹模的结构设计...............................................................................93.7模具总体设计及主要零部件设计..............................................................................113.7.1模具总休装配设计............................................................................................113.7.2卸料橡皮垫的设计计算...................................................................................143.7.3模柄设计...........................................................................................................153.7.4模架设计...........................................................................................................153.7.5垫板设计...........................................................................................................153.7.6凸模、凸凹模固定板设计...............................................................................153.7.7卸料板设计.......................................................................................................16IV3.7.8推件装置设计...................................................................................................163.7.9模具的闭合高度...............................................................................................163.8冲压设备的选择.........................................................................................................163.8.1公称压力的选择...............................................................................................163.8.2行程次数...........................................................................................................173.8.3滑块行程(S).................................................................................................173.8.4闭合高度...........................................................................................................173.8.5工作台面尺寸...................................................................................................183.8.6模柄孔尺寸.......................................................................................................183.9本章小结.....................................................................................................................18第4章弯曲模设计.................................................................................................................194.1弯曲件工艺分析.........................................................................................................194.2弯曲工艺计算.............................................................................................................194.2.1弯曲件回弹值的计算.......................................................................................194.2.2弯曲力的计算...................................................................................................204.3弯曲模零件设计计算.................................................................................................214.3.1弯曲模工作部分尺寸计算...............................................................................214.3.2弯曲模其他零件的设计和选用.......................................................................224.3.3弯曲模闭合高度的设计计算...........................................................................234.4冲压设备的选择.........................................................................................................234.4.1公称压力的选择...............................................................................................234.4.2行程次数...........................................................................................................234.4.3滑块行程(S).................................................................................................234.4.4模具闭合高度...................................................................................................244.4.5工作台面尺寸...................................................................................................244.4.6模柄孔尺寸.......................................................................................................244.5模具总装配及其零部件设计.....................................................................................254.5.1模具总装配图设计.......................................................................................254.5.2凹模(尺寸)设计...........................................................................................274.5.3凸模(尺寸)设计...........................................................................................274.5.4模架设计...........................................................................................................284.5.5凹模固定板设计...............................................................................................284.5.6凸模固定板设计...............................................................................................284.5.7模柄的设计.......................................................................................................284.6本章小结.....................................................................................................................29结论.........................................................................................................................................30参考文献.....................................................................................................................................31致谢...........................................................................................................错误未定义书签。

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