屏蔽罩冲压件模具设计

毕业设计说明书题目:屏蔽罩冲压工艺及模具设计年级、专业:姓名:学号:指导教师:完成时间:摘要冲压模具在工业生产中应用广泛。冲压模具的设计充分利用了机械压力机的功用特点，在室温的条件下对坯件进行冲压成形，生产效率提高，经济效益显著。冲压模具的设计充分利用了机械压力机的功用特点，在室温的条件下对坯件进行冲压成形，生产效率提高，经济效益显著。本文介绍的模具实例结构简单实用，使用方便可靠，对类似工件的大批量生产具有一定的参考作用。在传统的工业生产中，工人生产的劳动强度大、劳动量大，严重影响生产效率的提高。随着当今科技的发展，工业生产中模具的使用已经越来越引起人们的重视，而被大量应用到工业生产中来。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。关键词:冲压、模具、制造AbstractPunchingdiehasbeenwidelyusedinindustrialproduction.Thepunchingdiesthatutilizedthefeatureofthenormalpunchshapedtheworkpieceintheroomtemperature,anditsefficiencyandeconomicsituationisexcellent.Thediesherediscussedcanbeeasilymade,convenientlyused,andsafelyoperated.Anditcouldbeusedasthereferenceinthelargescaleproductionofsimilarworkpieces.Punchingdiehasbeenwidelyusedinindustrialproduction.Inthetraditionalindustrialproduction,theworkerworkveryhard,andtherearetoomuchwork,sotheefficiencyislow.Withthedevelopmentofthescienceandtechnologynowadays,theuseofpunchingdieintheindustialproductiongainmoreattention,andbeusedintheindustrialproductionmoreandmore.Self-actingfeedtechnologyofpunchingdieisalsousedinproduction,punchingdiecouldincreasetheefficienceofproductionandcouldalleviatetheworkburden，soithassignificantmeaningintechnologicprogressandeconomicvalue.Keyword:punching、die、manufacture目录摘要....................................................................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章屏蔽罩加工工艺综合分析.............................................32.1屏蔽罩加工工艺要求.................................................32.2零件图分析.........................................................32.3冲压工艺性审查.....................................................32.4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章单模的设计.........................................................63.1冲压件的工艺分析...................................................63.1.1冲件回弹值的计算...............................................................................................63.2展开尺寸及排样.....................................................63.3计算冲压力（根据工步计算冲压力）...................................83.3.1落料力...................................................................................................................83.3.2卸料力...................................................................................................................83.3.3翻边力的计算.......................................................................................................83.3.4翻边卸料力...........................................................................................................83.4确定模具压力中心，翻边模...........................................83.5计算凸、凹模刃口尺寸..............................................103.5.1翻边工作部分尺寸计算.....................................................................................103.6凸模、凹模的结构设计..............................................103.7模具总体设计及主要零部件设计......................................133.7.1模具总休装配设计.............................................................................................133.7.2卸料弹簧的设计计算.........................................................................................143.7.3模柄设计.............................................................................................................153.7.4模架设计.............................................................................................................153.7.5垫板设计.............................................................................................................153.7.6凸模固定板设计.................................................................................................153.7.7卸料板设计.........................................................................................................163.7.8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.............................................................................................................163.8.3滑块行程（S）...................................................................................................173.8.4模具闭合高度.....................................................................................................173.8.5工作台面尺寸.....................................................................................................183.8.6模柄孔尺寸.........................................................................................................183.9模具的装配..................................................