冲压模具毕业设计论文

河北工业大学城市学院2014届本科毕业论文河北工业大学城市学院毕业论文作者：学号：系：材料科学与工程系专业：模具设计及制造题目：仪表盘固定支架A冲压模具设计指导者：讲师(姓名)(专业技术职务)评阅者：(姓名)(专业技术职务)2014年06月10日河北工业大学城市学院2014届本科毕业论文毕业设计（论文）中文摘要仪表盘固定支架A冲压模具设计摘要：仪表盘固定支架是固定仪表的重要零件。本课题以仪表盘固定支架为研究对象，经过工艺分析，确定其加工的工艺方案，完成冲裁模具和弯曲模具的结构，对模具设计过程中出现的问题进行及时的解决，并正确的选择在生产上应用的压力机型号。使用AutoCAD软件绘制了两套模具的二维模具装配图及主要成型零件的零件图。初步掌握从事科学研究工作的能力，达到专业素质培养目标的要求。关键词：仪表盘固定支架模具设计制图河北工业大学城市学院2014届本科毕业论文毕业设计（论文）外文摘要TitleDashboardmountingbracketAstampingdiedesignAbstractTheimportantpartsdashboardmountingbracketisfixedinstruments.Thetopicstodashboardmountingbracketforthestudy,throughprocessanalysis,todetermineitsprocessingtechnologyprogram,completethepunchingdieandbendingmoldstructure,themolddesignprocessappearstosolveproblemsinatimelymanner,andtherightchoiceproductionontheapplicationofpressmodels.ApplicationofAutoCADsoftwarefortwomainmoldingpartsmoldstructureandthecorrespondingtwo-dimensionaldrawing,completedUGthree-dimensionalmappingsoftwareontheproduct.Initialgraspofscientificresearchwork,tomeettherequirementsofprofessionalqualitytrainingobjectives.Keywords：DashboardmountingbracketMoldDesignMapping河北工业大学城市学院2014届本科毕业论文目录第一章前言.............................................................11.1冲压的概念及其优点..................................................11.1.1冲压的概念....................................................11.1.2冲压的优点....................................................11.2冷冲压模具国内外现状................................................21.2.1模具CAD/CAM技术状况..........................................21.2.2模具设计与制造能力状况........................................21.3我国冲压模具发展趋势................................................3第二章冲压工艺及模具结构设计..........................................42.1制件的工艺性分析及工艺计算.........................................42.1.1工艺分析......................................................42.1.2冲裁模的工艺方案的确定........................................42.1.3计算毛坯尺寸..................................................52.1.4排样及工艺计算................................................52.2冲压力及压力中心的计算.............................................72.2.1冲压力计算....................................................72.2.2计算压力中心..................................................82.3凸模凹模凸凹模刃口及结构尺寸计算.................................82.3.1计算模具刃口尺寸..............................................82.3.2落料凹模结构尺寸计算..........................................92.3.3冲孔凸模结构尺寸确定.........................................102.3.4凸凹模结构尺寸确定...........................................102.4其它非标准件的设计.................................................112.4.1橡胶垫.......................................................112.4.2推件块.......................................................122.4.3卸料板.......................................................122.4.4凸凹模固定板.................................................132.4.5凸模固定板...................................................132.4.6垫板.........................................................132.5标准件的选择.......................................................132.5.1送料定位机构设计.............................................132.5.2卸料螺钉.....................................................14河北工业大学城市学院2014届本科毕业论文2.5.3推杆.........................................................142.5.4推板.........................................................142.5.5模架的选择...................................................142.5.6紧固螺钉.....................................................142.5.7圆柱销钉.....................................................152.5.8模柄.........................................................152.6压力机与模具总体结构...............................................152.6.1压力机的确定.................................................152.6.2模具总体结构.................................................16第三章弯曲工艺及模具结构设计.........................................163.1制件的工艺性分析及工艺计算........................................173.1.1制件的工艺性分析.............................................173.1.2弯曲力计算...................................................173.2弯曲模工作部分尺寸的计算及结构的确定...............................173.2.1弯曲模的圆角半径.............................................173.2.2弯曲凸模和凹模之间的间隙.....................................173.2.3弯曲凸模和凹模宽度的计算.....................................183.3凸模、凹模和凸凹模结构设计.........................................193.3.1凸模结构.....................................................193.3.2弯曲凸凹模结构...............................................193.3.3弯曲凹模结构.................................................203.4其它非标准零部件的设计.............................................203.4.1定位板.......................................................203.4.2垫板.........................................................213.4.3卸料板.......................................................213.5其它标准零部件的选择...............................................223.5.1弹簧.........................................................223.5.2顶杆.........................................................223.5.3打料杆.......................................................223.5.4定位螺钉.....................................................223.5.5卸料螺钉.................