铰链冲压工艺分析及模具设计外

洛阳理工学院毕业设计（论文）I铰链冲压工艺分析及模具设计摘要模具作为高效率的生产工具的一种，是工业生产中非常重要的工艺装备。随着我国工业和高科技产业的快速发展，冲压模具的设计与制造变得越来越重要。根据设计铰链的尺寸、材料等要求，首先分析铰链的工艺性，确定冲裁工艺方案及模具结构方案，即该铰链需要落料-冲孔复合模和弯曲模完成。然后通过工艺设计计算，确定排样方式。计算冲裁力和压力中心，初选压力机，计算刃口尺寸和公差，最后设计和选用零部件。其中在结构设计中，主要对凸模、凹模、凸凹模、定位零件、卸料与顶件装置、冲压设备、模架、紧固件等进行了设计或选择。绘制模具总装图及零件图，最终完成模具设计。关键词：铰链，模具设计，落料-冲孔，复合模洛阳理工学院毕业设计（论文）IIHINGESTAMPINGPROCESSANALYSISANDMOULDDESIGNABSTRACAsakindofefficientproductiontool,mouldisaveryimportantcraftequipmentinindustrialproduction.Withtherapiddevelopmentofourcountryindustryandhigh-techindustry,stampingmoulddesignandmanufacturingbecomesmoreandmoreimportant.Accordingtothesize,materialsoftheproduct,thefirstpartistoanalysistheprocessofthehinge,sotheprogramofblankingprocessandmouldstructurehasbeenconfirmed.Asaresult,blanking-punchingcompoundmouldandbendingmouldareusedtoproducethehinge.Thenbasedontheprocessdesigncalculations,thestocklayoutdesigncanbeensured.Itisneededtocarryontheblankingforceandthecenterofpressurecomputation,accordingtowhichthepresscanbeselected.Calculatingthecuttingedgesizeandtolerance,thendesignandchoosethepartsofmould.Duringthestructuredesign,itismainlyaboutthedesignofthepunch,die,punchanddie,positioningparts,unloadingandejectingdevices,mold,pressingequipment,fastenersandsoon.Thendrawthedrawingsandassemblydrawingsofparts,finallythedesignhasbeencompleted.KEYWORDS:Hinge，moulddesign，blanking-punching，compounddie洛阳理工学院毕业设计（论文）III目录前言..................................................................................................1第1章加工零件的工艺分析...........................................................21.1零件分析...............................................................................21.1.1零件简图.....................................................................21.1.2冲压件的工艺分析.....................................................21.1.3分析比较和确定工艺方案..........................................2第2章落料冲孔复合模...................................................................42.1工件展开图的尺寸计算.......................................................42.2冲压模具工艺与设计计算...................................................52.2.1排样设计.....................................................................52.2.2排样计算.....................................................................62.3确定模具压力中心...............................................................62.4工作力的计算........................................................................82.5计算凸、凹模刃口尺寸.......................................................92.5.1落料部分凸凹模尺寸计算..........................................92.5.2冲孔部分凸凹模尺寸计算........................................11第3章模具结构设计.....................................................................123.1落料冲孔复合模结构形式.................................................123.2落料凹模的结构设计.........................................................123.3冲孔凸模的结构设计..........................................................133.4凸凹模的结构设计.............................................................143.5定位装置的选择.................................................................153.6顶件及卸料装置的选择.....................................................153.7模架的选择.........................................................................173.8模柄选择.............................................................................183.9打板的设计.........................................................................193.10螺钉和销的选用...............................................................193.11退料板设计.......................................................................19洛阳理工学院毕业设计（论文）IV3.12固定板设计.......................................................................203.11垫板设计...........................................................................22第4章总装配图及压力机的选取.................................................244.1总装配图............................................................................244.2压力机的选取....................................................................24第5章模具的技术条件.................................................................265.1表面粗糙度及标准.............................................................265.2加工精度...........................................................................265.2.1形位公差...................................................................265.2.2配合要求...................................................................26结论................................................................................................27谢辞................................................................................................28参考文献..........................................................................................29外文资料翻译..................................................................................31洛阳理工学院毕业设计（论文）1前言随着工业高新技术的不断发展，冲压模的地位日益重要模具作为提高生产率，减少材料和消耗，降低产品成本，提高产品质量和市场竞争力的重要手段，已越来越受到各工业部门的重视。随着工业技术不断向前发展，要求模具在更苛刻、更高速度的工作条件下，对模具的精度越来越高，使用寿命越来越长。为了满足这些要求，国内外都在模具材料的研究和开发上作了巨大的努力，也在这方面取得了不少成果。近几年来，随着工业和高科技产业的飞速发展，我国冲压模具的设计与制造能力已达到较高水平。虽然如此，我国的冲压模具设计制造能力与市场需要和国际先进水平相比仍有较大差距。这些主要表现在高档轿车和大中型汽车覆盖件模具及高精度冲模方面，无论在设