机械设计制造及其自动化毕业设计概况

2014届分类号:单位代码:10452毕业论文设计六孔卧式组合钻床的设计姓名王恩飞学号201003110209年级2010级机制2班专业机械设计制造及其自动化系（院）机械工程学院指导教师王锐临沂大学机械工程学院2014届本科毕业设计I摘要在机械生产过程中，往往需要在同一平面上加工多个孔，这些孔都有位置精度要求。若依次加工每个孔，不仅会延长加工时间，还容易造成误差。本文设计的组合钻床不仅能减少加工时间，提高效率，还能有效减少加工误差。本文主要对组合钻床的床身进行设计。在组合机床的设计中，多轴箱的设计和计算是关键。评价机床性能的优劣，主要是根据技术—经济指标来判定的。多轴箱的结构图是整个机床的关键部位，反应了该机床的性能、效率和精度。加工示意图表明被加工零件在机床的加工过程,刀具,辅具的位置状况,工件与夹具,机床各零部件间的位置关系，以及机床的工作行程和工作循环等。机床总图表示机床各组成部件相互配合关系及各零件、部件、标准件、通用件等名称、代号、数量及运动关系。以及检验各部件的相对位置及尺寸之间联系是否满足加工要求，通用部件是否合适等内容。关键词：组合机床；机床性能；多轴箱；夹具；刀具临沂大学机械工程学院2014届本科毕业设计IIABSTRACTInmechanicalproductionprocess,oftenneedtoprocessapluralityofholesonthesameplane,theseholeshavethepositionprecision.Ifyouareprocessingeachhole,willnotonlyprolongtheprocessingtime,butalsoeasytocausetheerror.Combinationdrillingmachinedesignedinthispapercannotonlyreducetheprocessingtime,improveefficiency,butalsoeffectiveinreducingthemachiningerror.Inthispaper,themainbodyofthecombinationdrillingmachinedesign.Inthedesignoftransferandunitmachine,themulti-axleboxdesignandthecalculationisthekey.Themachineperformancecanbeevaluatedandit’smainlydeterminedbythetechnical–economicindicators.Thestructureofmulti-axleboxisthekeypartstotheentiremachinetool,thereactionofthemachineperformance,efficiencyandaccuracy.Theprocessingschematicdrawingindicatesthemachinetoolprocessingprocess,thecuttingtool,auxiliarypositioncondition,workpieceandjig,thepositionrelationsofvarioussparepartsintheenginepartandsoon.Themachinetoolassemblydrawingexpressesthecooperaterelationshipbetweeneachcompositionpartofthemachinetoolandthename,code,quantityandthemovementrelationshipofallparts,componentsstandardpartsandgeneralpart.Examinesweathertherelativepositionandsizebetweenthevariouspartssatisfiestheprocessingrequestandwhetherthegeneralpartisappropriateandsoonthecontent.Keywords:TransferandUnitMachine；MachinePerformance；Multi-axleBox；Jig；Tool临沂大学机械工程学院2014届本科毕业设计III目录摘要..........................................................................................................IABSTRACT....................................................................................................II1绪论.............................................................................................................11.1概述··························································································································11.2我国组合机床行业的发展现状··············································································11.2.1组合机床行业的现状·····················································································11.2.2组合机床及其自动线装备技术的基本情况·················································31.3机床设计的目的、要求、内容··············································································41.3.1设计的目的·····································································································41.3.2设计内容·········································································································41.3.3设计要求·········································································································41.4机床的设计步骤······································································································51.4.1调查研究·········································································································51.4.2拟定方案·········································································································51.4.3工作图设计·····································································································52组合机床的总体设计..................................................................................62.1组合机床方案的制定······························································································62.1.1制定工艺方案·································································································62.1.2确定组合机床的配置形式和结构方案·························································62.2钻孔组合机床总设计“三图一卡”的编制···························································72.2.1多轴箱的传动结构图·····················································································72.2.2机床联系尺寸图·····························································································72.2.3加工示意图···································································································122.2.4生产率计算卡·······························································································132.3多轴箱的设计········································································································15多轴箱的传动结构图·······························································································152.4本章小结················································································································233夹具设计方案............................................................................................243.1机床夹具的概述·····································································································243.1.1机床夹具的组成···············································