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本科毕业论文（设计）题目：重型垂直切条机的研制学院：工学院姓名：学号：专业：机械设计制造及其自动化年级：指导教师：职称：副教授二0一四年五月I摘要房地产是近几年政府最关心的问题，房价的高居不下，很大程度上跟成本有关系。砖又是建房子必不可少的材料。因此可以从制砖机械上着手，从源头上解决问题，降低能耗，减少成本。下面仅从切条机一项上加以改进。传统的切条机,无论做出怎样改进,切出的断面均是不平整的曲面,泥条在切坯机上切成坯时两端总得留下长短不一的泥头,这些泥头的浪费十分惊人。所以工程师们一直追求设计一种可以垂直切条的切条机,以减少损失。垂直切条机与普通切条机最大的区别在于,普通切条机的切割装置是固定在机架上的,而同步垂直切条机的切割装置却活动的，是一个可以实现与泥条同步运动的同步装置,是一个可以在轨道上来回滑动的滑车,通称同步小滑车。当泥条长度达到设定值的时,小滑车车就开始与泥条同速向前运动,在同速运动中同时完成切割泥条的动作。由于切割装置与泥条处于一个相对静止的状态,所以像在静止的机架上切割静止的泥条一样,断面十分垂直，而且长短一致。泥条切割完毕后,需要实现两个动作,一个是长度定位架释放泥条,输送电机启动将泥条送至切坯机，另一个是回程气缸启动，将滑车回程至起始点。关键字：垂直切条机；同步IIAbstractRealestateisaprobleminrecentyears,thegovernmentismostconcernedaboutthestubbornlyhighprices,toalargeextentwiththecostofarelationship.Brickisalsoessentialmaterialstobuildahouse.Soyoucanstartfromthebrick-makingmachinery,tosolvetheproblematitssource,reduceenergyconsumptionandcosts.Hereajustcuttingmachinetobeimprovedon.Thetraditionalcuttingmachine,nomatterwhatimprovementstomake,cutoutsectionsareunevensurfaces,whentheclayontheendscutbilletmachinecutintoblanksofvaryinglengthsgottaleavedumpwastedumpoftheseastonishing.Soengineershavebeenpursuingdesigningaverticalcutofthecuttingmachine,inordertoreducelosses.Verticalcuttingmachinemachinebiggestdifferencewithordinarycuttingthatordinarycuttingmachinecuttingdeviceisfixedtotheframe,andthesynchronizationoftheverticalcuttingmachinecuttingdevice,butactivityisasynchronizationcanbeachievedwithclaysynchronizingthemovementmeanscanbeaslidingbackandforthonthetrackblock,knownassynchronoussmallpulley.Whenclaylengthreachesthesetvalue,thesmallpulleycarbeganwiththemudofthesamespeedforwardmovement,themovementiscompletedatthesamespeedwhilecuttingmudoftheaction.Asthecuttingdevicewithclayinarelativelystaticstate,solikecuttingstationarystationaryrackonthesameclay,veryverticalcross-section,andthesamelength.Clayaftercuttingiscompleted,theneedtoachievetwoactions,oneisthelengthofthespacerreleasemud,claytransportmotorstartstocutblankstothemachine,andtheotheristhereturnofthecylinderstartedtotacklethereturntothestartingpoint.Keywords:Verticalcuttingmachine；Synchronous重型垂直切条机目录摘要..........................................................................................................................................IAbstract....................................................................................................................................II1绪论...................................................................................................................................11.1研究背景..................................................................................................................11.2研究意义................................................................................................................12重型切条机的整体设计...................................................................................................22.1工作原理................................................................................................................22.2总体结构................................................................................................................22.2.1主要技术参数.............................................................................................22.2.2总体结构设计.............................................................................................22.2.3重型切条机的结构要求.............................................................................32.3运动参数选择........................................................................................................32.3.1切条同速行程的确定.................................................................................32.3.2泥条输送速度的确定.................................................................................42.4运动部件动作时序分析........................................................................................42.4.1运动件动作时序图.....................................................................................42.4.2运动件动作时序分析.................................................................................63主要零部件的设计...........................................................................................................73.1切条部分设计..........................................................................................................73.1.1切条滑动架的设计.......................................................................................83.1.2切条动力部分...............................................................................................93.1.3切条钢丝的张紧.......................................................................................103.2同步机构设计......................................................................................................113.2.1同步方式的确定.......................................................................................113.2.2同步带同步轮的选择...............................................................................113.2.3同步带的计算选择...................................................................................123.3泥条定位架部分设计...................................................