大型滚筒焊件旋转装置

长沙学院CHANGSHAUNIVERSITY本科生毕业设计设计题目：大型滚筒焊接旋转装置系部：机电工程系专业：机械设计制造及其自动化学生姓名：朱旭班级：3学号2012011323指导教师姓名：夏尊凤职称教授职称长沙学院教务处二○一三年六月制（2016届）本科生毕业设计说明书大型滚筒焊件旋转装置系部：机电工程系专业：机械设计制造及其自动化学生姓名：朱旭班级：3学号2012011323指导教师姓名：夏尊凤职称教授职称最终评定成绩2016年05月长沙学院毕业设计I摘要焊接装备就是在焊接生产中与焊接工序相配合，有利于实现焊接生产机械化，自动化，有利于提高装配焊接质量，促使焊接生产过程加速进行的各种辅助装置和设备。大型滚筒焊件旋转装置是借助主动滚轮与焊件之间的摩接力带动焊接旋转的变位机械，主要用于筒形焊件的装配与焊接。焊接滚轮架按结构形式分为两类：第一类是长轴式滚轮架。第二类是组合式滚轮架。本次设计主要对自调式20T大型滚筒焊件旋转装置进行设计，并对轴、键等主要构件进行了校核。结果表明各主要部件符合要求。该旋转装置结构简单，使用方便灵活，对焊件的适应性很强。设计中充分的考虑了滚轮架的合理性和经济性等因素。关键词：焊接；旋转装置；大型滚筒焊件长沙学院毕业设计IIABSTRACTWeldingequipmentisamachinewhichisusedinweldingproductionandweldingprocesses,anditisconducivetoweldingproductionmechanizationandautomation,toimprovingassemblywelding-quality.Thenitcouldpromptetospeeduptheprocessofweldingproductionofthevariousassistivedevicesandequipment.WeldingrollerisusedinitiativeandweldingpiecesofthewheelbetweentheMountrelaydrivenweldingrotatingmechanicaldeformation.Weldingrollerstandsforthemainpiecesoftubeweldingandweldingassembly.Weldingrollerstandingbystructuralformisdividedintotwocategoriesthefirstcategoryislongaxis-wheelframe.,thesecondcategoryismodularrollerframe.Inthispaper,twentypairsofmodularT-weldedwheelforthedesign,aswellasaxial,bondandothermaincomponentofchecking.Theresultsshowedthatthemaincomponentstomeettherequirements.Therollerframestructureissimple,flexible,adaptiveweldedpiecesofastrong,whichisthemostwidelyusedformofthestructure.Anditcouldbefullyconsideredtherollerframereasonableandeconomic,andotherfactors.Keywords:weld,Rotationmeans,Largedrumweldment长沙学院毕业设计III目录摘要....................................................................................................................IABSTRACT..........................................................................................................II第1章焊接机械概述.......................................................................................11.1焊接机械装备......................................................11.1.1焊接机械装备的分类及应用....................................11.1.2国内发展及前景..............................................21.2研究课题及意义....................................................21.2.1焊接滚轮架的特点............................................3第2章方案设计...............................................................................................42.1回转方案的确定....................................................42.1.1工作条件....................................................42.1.2原动机类型的选择............................................42.2旋转装置的结构选择................................................42.3焊接工件直径调节方案的确定........................................62.4旋转装置减速方案确定..............................................72.5滚轮结构选择......................................................7第3章主要尺寸计算.......................................................................................93.1原动机的选择......................................................93.1.1滚轮受力分析................................................93.1.2电动机功率的计算...........................................103.1.3传动比分配.................................................103.2减速机构的设计与计算.............................................103.2.1蜗轮蜗杆减速器的设计与计算.................................113.2.2蜗杆的结构设计.............................................123.2.3齿轮减速机构的设计与计算...................................143.2轴的结构设计与初步计算...........................................183.2.1轴的最小直径设计............................................183.2.1轴的结构设计................................................19第4章零部件的选用.....................................................................................214.1联轴器的选用.....................................................214.2滚轮的设计.......................................................22第5章校核计算.............................................................................................23长沙学院毕业设计IV5.1轴的校核.........................................................235.2滚轮处键的校核...................................................265.3轴承寿命计算.....................................................27第6章机架的设计.........................................................................................286.1旋转架的设计.....................................................286.1.2材料与毛坯.................................................286.1.2材料与毛坯.................................................286.1.3结构设计...................................................286.2机座的设计.......................................................296.2.1作用于功能.................................................296.2.2材料与毛坯.................................................296.2.3结构设计...................................................29结论.................................................................................................................31参考文献.............................................................................................................32致谢.................................................................................................................33长沙学院毕业设计1第1章焊接机械概述1.1焊接机械装备焊接是一种制造技术，它是适应工业发展的需要，以现代工业为基础发展起来的，并且直接服