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MKZ84125轧辊磨床轴承箱体翻转机构设计说明书[带图纸].doc

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MKZ84125轧辊磨床轴承箱体翻转机构设计说明书[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目MKZ84125轧辊磨床轴承箱体翻转机构设计信机系机械工程及自动化专业学号学生姓名指导教师(职称副教授)(职称)2013年5月25日无锡太湖学院本科毕业设计(论文)诚信承诺书本人郑重声明所呈交的毕业设计(论文)MKZ84125轧辊磨床轴承箱体翻转机构设计是本人在导师的指导下独立进行研究所取得的成果,其内容除了在毕业设计(论文)中特别加以标注引用,表示致谢的内容外,本毕业设计(论文)不包含任何其他个人、集体已发表或撰写的成果作品。班级机械95学号0923226作者姓名2013年5月25日II摘要自动数控磨床是钢材板材轧制生产线的重要配套设备,其磨削精度和磨削效率直接影响钢板的轧制质量与生产效率。它的作用是进行各种性质不同的钢材板材磨削,主要应用于钢材、铝箔和造纸行业等。然而其在磨削工作辊的过程中,两端的轴承箱体会与砂轮架发生干涉,而频繁的装卸轴承箱体则会使加工过程变得繁琐,因此设计了翻箱机构,将工件翻转90度。设计翻箱机构,包括翻箱机构的工作原理、机床各部件的组成、其操作要求和方法以及翻箱机构技术要求进行了概述,并详细设计了MKZ84125轧辊磨床的翻箱机构,其中包括法案的选择,电机的确定以及蜗轮蜗杆与各个轴以及齿轮的选择并画出了机床总装图,翻箱机构总装配图以及部分重要零件的部件图。其设计过程主要特点是采用三相异步电动机带动蜗轮蜗杆以及齿轮传动,以达到将工件翻转90度的效果,方便磨床加工。翻箱机构结构简单紧凑,操作简单,维护方便,翻转工件效率高。关键词翻箱机构三相异步电动机蜗轮蜗杆齿轮传动IIIAbstractTheautomaticCNCgrindingmachineisanimportantcorollaryequipmentwhichrollsproductionlinebysteelandsheetmetals.Itsgrindingaccuracyandefficiencydirectlyaffectthequalityofsteelrollinganditsproductionefficiency.Itsroleistogrindthevariouspropertiesofsteelandsheetmetals,itmainlyusedinsteel,aluminumfoil,paperindustryandetc.However,duringtheprocessofgrinding,thebearingboxesofbothsideswillinterferewiththewheelframe,andloadingandunloadingthebearingboxesfrequentlywillmaketheprocessmorecomplicated,soIdesignedtheboxturnovermechanism,itcanlettheworkpiecerotate90degrees.Designingtheboxturnovermechanism,itconsistsofitsworkingprinciple,thecompositionofeachpartofmachinetool,itsoperatingrequirementsandmethodsandprovidinganoverviewoftechnicalrequirementsoftheboxturnovermechanism.Whatsmore,IalsodesignedtheboxturnovermechanismofMKZ84125rollinggrinder.ItinvolvesthechoiceoftheAct,thedeterminationofmotorsandtheselectionofworms,eachshaftandgears.Inaddition,Idrawtheassemblychartofmachine,thegeneralassemblychartoftheboxturnovermechanismandthepartsdiagramofsomeimportantparts.Themainfeaturesofdesigningprocessareadoptingthethreephaseasynchronousmotortodrivethewormsandusingthetwostagegearstodrivetoreachtheeffectwhichlettheworkpiecerotate90degrees.Itwillconvenienttheprocess.Thestructureoftheboxturnovermechanismissimpleandcompact.Itcanoperatesimply,maintaineasilyandtheworkpieceisefficient.KeywordsboxturnovermechanismthreephaseasynchronousmotorwormsstagegearsIV目录摘要.............................................................................................................................................IIABSTRACT..................................................................................................................................III目录...........................................................................................................................................IV1绪论.............................................................................................................................................11.1立题依据..............................................................................................................................11.2翻箱机构的研究现状..........................................................................................................12MKZ84125机床总体设计..........................................................................................................42.1机床的技术参数..................................................................................................................42.2机床总体布局设计..............................................................................................................42.2.1布局方案的选择............................................................................................................42.2.2各部件的布局................................................................................................................52.3机床各部件的方案介绍......................................................................................................52.3.1床身................................................................................................................................52.3.2头架................................................................................................................................62.3.3尾架................................................................................................................................62.3.4砂轮主轴系统................................................................................................................72.3.5砂轮架............................................................................................................................72.3.6供油系统........................................................................................................................72.3.7中心架............................................................................................................................82.3.8CNC测量系统...............................................................................................................83轴承箱体翻转机构设计.............................................................................................................93.1设计的基本参数..................................................................................................................93.2翻箱方案的选择..................................................................................................................93.3翻箱机构的总体设计..........................................................................................................93.4电动机的选择....................................................................................................................103.4.1选择电动机类型..........................................................................................................103.4.2选择电动机的容量......................................................................................................103.4.3电动机转速的确定......................................................................................................113.5总传动比和分配各级传动比的计算................................................................................123.6传动装置的运动和动力参数的计算................................................................................123.6.1各轴转速......................................................................................................................123.6.2各轴功率......................................................................................................................123.6.3各轴转矩......................................................................................................................123.7传动零件的设计计算........................................................................................................133.7.1联轴器的类型的选择..................................................................................................133.7.2蜗杆传动的设计..........................................................................................................133.7.3第一级齿轮传动的设计..............................................................................................16

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