数控加工中心盘式刀库设计(毕业论文)

成都理工大学毕业设计（论文）-1-数控加工中心盘式刀库设计摘要数控加工技术得到迅速的发展，高速加工中心作为新时代数控机床的代表，已在机床领域广泛使用。自动换刀刀库的发展俨然已超越其为数控加工中心配套的角色，在其特有的技术领域中发展出符合机床高精度、高效率、高可靠度及多任务复合等概念的独特产品。刀库作为加工中心最重要的部分之一，它的发展也直接决定了加工中心的发展。本论文完成的是盘式刀库的总体设计、传动设计、结构设计、刀库功能、掉刀故障分析与处理以及传动部分的运动和动力设计。这种刀库在数控加工中心上应用非常广泛，换刀过程简单、时间短、定位精度高；总体结构简单、紧凑，动作准确可靠；维护方便，成本低。本刀库减速传动部分分两级减速，一级采用齿轮减速装置，二级采用蜗轮蜗杆减速装置，此方案可提高输出轴的传动平稳性能，即提高刀盘的运转平稳性。关键词：加工中心；盘式刀库；机械手；自动换刀装置成都理工大学毕业设计（论文）-2-ABSTRACTCNCmachiningtechnologyisrapidlygainingpopularityanddevelopmentofhighspeedmachiningcenterasarepresentativeoftheneweraofCNCmachinetools,widelyusedinthemachinetoolfield.AutomatictoolchangertoollibrarydevelopmentseemstohavegonebeyondtheroleofCNCmachiningcenterssupportingitsuniquetechnologydevelopedtomeettheuniqueproductofhigh-precisionmachinetools,high-efficiency,highreliabilityandmulti-taskcomplexconcepts.Thetoolmagazineoneofthemostimportantpartasaprocessingcenter,itsdevelopmentalsodirectlydeterminesthedevelopmentoftheprocessingcenter.Thecompletionofthisthesisistheoveralldesignofthedisctoolstorage,transmissiondesign,structuraldesign,toolmagazine,outknifefailureanalysisandprocessing,andtransmissionpartofthemovementanddynamicdesign.VeryextensivelibraryofthisknifeonaCNCmachiningcenter,toolchangeprocessissimple,timeisshort,highpositioningaccuracy;theoverallstructureissimple,compact,accurateandreliable;easymaintenanceandlowcost.Decelerationpartsoftwoofthemagazinedownshiftagearreduction,twowormdecelerationdevice,thisprogramcanimprovetheoutputshaftofthetransmissionsmoothperformance,istoenhancethesmoothoperationofthecutter.Keywords:Machiningcenters;Discknifelibrary;manipulator;Automaticallychangetheknife成都理工大学毕业设计（论文）-3-目录前言...................................................................5第一章数控加工中心刀库概述..............................................61.1数控加工中心概述..................................................61.2数控加工中心的分类................................................61.2.1按照机床形态分类............................................61.2.2按换刀形式分类...............................................71.2.3按数控系统功能分类...........................................71.2.4按工作台的数量和功能分类.....................................71.2.5按加工精度分类...............................................71.3加工中心的主要加工对象............................................71.3.1箱体类零件...................................................71.3.2复杂曲面.....................................................81.3.3异形件.......................................................81.3.4盘、套、板类零件.............................................81.3.5特殊加工.....................................................81.4加工中心的特点....................................................81.4.1工序集中.....................................................91.4.2对加工对象的适应性强.........................................91.4.3加工精度高...................................................91.4.4加工生产率高.................................................91.4.5操作者的劳动强度减轻.........................................91.4.6经济效益高...................................................91.4.7有利于生产管理的现代化......................................101.5加工中心刀库的形式...............................................101.5.1圆盘式刀库..................................................101.5.2机械手刀库..................................................101.6换刀装置的形式...................................................11第二章总体方案的确定...................................................122.1刀库主要参数.....................................................122.2电动机的初选.....................................................122.3确定传动装置的总传动比和分配传动比...............................132.4确定各轴转速、转矩和功率.........................................142.5电动机的校核.....................................................162.5.1转矩校核....................................................162.5.2转速校核....................................................16第三章刀库设计与校验...................................................173.1齿轮传动的计算...................................................173.1.1选择齿轮类型、精度等级、材料及齿数..........................173.1.2按齿面接触强度设计..........................................173.1.3按齿根弯曲强度设计..........................................193.1.4几何尺寸计算................................................203.2轴的校核.........................................................21成都理工大学毕业设计（论文）-4-3.3滚动轴承的校核...................................................243.4蜗轮蜗杆设计.....................................................253.5键的校核.........................................................25第四章刀具交换装置.....................................................264.1换刀简介.............................................................264.2换刀过程.........................................................26结论..................................................................27致谢..................................................................28参考文献................................................................29附录1（标准件）.........................................................30附录2（外购件）.........................................................30附录3（基本件）....................................