1015吨H强迫给料工业对辊成型机毕业论文

中国矿业大学本科生毕业论文学院：中国矿业大学专业：机械设计制造及其自动化论文题目：10-15吨/H强迫给料工业对辊成型机专题：成型工作原理指导教师：职称：教授2013年6月9徐州摘要工业型煤的发展对于提高煤炭利用率、节约能源以及减少环境的污染等方面有着重要意义。而工业对辊成型机是整个生产工业型煤设备中必不可少的机械设备。对辊成型机与其他同类产品相比较，具有成球率高、消耗功率小，结构紧凑便于检修调试等鲜明的技术优势。本文主要描述了对辊成型机的整体设计要求及相关部位的计算。工业对辊成型机主要由电动机、带轮、减速机、给料系统、轴承、压辊、承压系统以及润滑系统等机构组成的。本次设计为使两对辊之间保持良好的对中性，从而保证型煤的质量，在对辊的辊轮与辊轴之间采用胀套无键连接技术，以便根据需要对辊轮进行相应的调整。本次设计采用同步式齿轮传动箱传动，给料方式是自重给料。采用液压平衡成型力，优点是生产机动灵活，可以调整压力，保护压辊不受损。另外本次设计采用螺杆固定式框架结构，以满足结构简单、承载能力强、装拆方便的需要。关键词：工业型煤；对辊成型机；自重给料；液压平衡成型力；螺杆固定式框架结构ABSTRACTThedevelopmentofindustrialbriquettecoalcanimprovetheutilizationofcoal,saveenergyandreduceenvironmentalpollutionandotheraspectsofgreatsignificance.Theindustryontherollformingmachineistheproductionofindustrialbriquetteequipmentessentialmachineryandequipment.Ontherollformingmachineandothersimilarproducts,comparedwiththeballhigh,powerconsumptionissmall,compactandeasymaintenanceanddebuggingdistincttechnicaladvantages.Thispaperdescribestheoveralldesignofrollformingmachinerequirementsandtherelevantpartsofthecalculation.Industryontherollformingmachinemainlyconsistsofmotor,pulley,gear,feedingsystems,bearings,roller,pressuresystems,andotherinstitutionsofthelubricationsystem.Thedesignofthetwopairofrollsisgoodbetweentheneutral,soastoensurethequalityofcoal,thepairofrollersbetweentherollersoftherollsleevekeylessconnectionusingexpansiontechniquestobebasedontheneedforrollersadjustedaccordingly.Thedesignusesasynchronousgearboxdrive,feedingmethodisweightfeed.Hydraulicbalancingformingforce,theadvantageofproducingflexible,youcanadjustthepressuretoprotectthepressurerollerisnotdamaged.Otherthedesignusesascrewfixedframestructuretomeetthesimplestructure,strongbearingcapacity,easyassemblyanddisassemblyneeds.Keywords:industrialcoal;ontherollformingmachine;weightfeeding;hydraulicallybalancedshapingforce;screwfixedframestructure.目录1绪论.....................................................................................................................................11.1型煤机械在工业型煤技术的重要地位.....................................................................11.2工业型煤的发展历史.................................................................................................11.3国内工业型煤的发展状况.........................................................................................11.4国外工业型煤的发展状况.........................................................................................21.5工业型煤成型机工作机理.........................................................................................31.6影响型煤的成型因素.................................................................................................51.6.1型煤对辊成型机的成型压力..........................................................................51.6.2煤料粒度、给配对煤料成型带来的影响......................................................51.6.3物料的水分在成型过程中的影响..................................................................61.6.5物料的成型特性在成型过程中的影响..........................................................72型辊的计算...........................................................................................................................72.1确定传动方案.............................................................................................................72.2对辊成型机的主要参数及设计要求.........................................................................72.3辊子的宽度计算.........................................................................................................82.4型球的分布.................................................................................................................82.5辊子的长度计算.........................................................................................................82.6对辊成型机电动机的选择.........................................................................................92.7传动比的分配与计算.................................................................................................92.8各级轴的参数计算...................................................................................................103V带的计算..........................................................................................................................123.1确定V带型号..........................................................................................................123.2确定带轮基准直径1D、2D..................................................................................123.3验算V带速度.....................................................................................................123.4确定V带长度L及中心距a..................................................................................123.5验算小带轮包角1.................................................................................................133.7计算单根V带的拉力LF........................................................................................133.8轴上的力的计算ZF.................................................................................................134减速器齿轮的设计计算.....................................................................................................144.1第一对啮合齿轮的计算...............................................