數(shù)控臥式鏜銑床刀庫(kù)機(jī)械手升降機(jī)構(gòu)設(shè)計(jì)與分析論文[帶圖紙].doc

畢業(yè)設(shè)計(jì)（論文）本科畢業(yè)設(shè)計(jì)(論文)題目：數(shù)控臥式鏜銑床刀庫(kù)機(jī)械手升降機(jī)構(gòu)設(shè)計(jì)與分析系別：機(jī)電信息系專業(yè)：機(jī)械設(shè)計(jì)制造及其自動(dòng)化班級(jí)：學(xué)生：學(xué)號(hào)：指導(dǎo)教師：2013年05月畢業(yè)設(shè)計(jì)（論文）I數(shù)控臥式鏜銑床刀庫(kù)機(jī)械手升降機(jī)構(gòu)設(shè)計(jì)與分析摘要數(shù)控臥式機(jī)床的發(fā)展與應(yīng)用，大大降低了零件的加工輔助時(shí)間，提高了生產(chǎn)效率。隨著數(shù)控機(jī)床的普及應(yīng)用，機(jī)械加工的自動(dòng)化程度大大提高，數(shù)控機(jī)床發(fā)展成了當(dāng)今普遍應(yīng)用的一種更新、更先進(jìn)的制造設(shè)備。加工中心帶有刀庫(kù)和自動(dòng)換刀裝置，可以實(shí)現(xiàn)按照預(yù)定程序?qū)ぜM(jìn)行多工序加工。數(shù)控臥式鏜銑床是一種具有自動(dòng)換刀裝置和任意分度數(shù)控轉(zhuǎn)臺(tái)的數(shù)字控制機(jī)床，工件在一次裝夾后能自動(dòng)完成幾個(gè)側(cè)面的的多種工序的加工。數(shù)控臥式鏜銑床刀庫(kù)機(jī)械手升降機(jī)構(gòu)由液動(dòng)機(jī)、滾珠絲杠副、減速齒輪、摩擦片式電磁離合器等構(gòu)成。了解刀庫(kù)機(jī)械手升降機(jī)構(gòu)的性能要求；了解刀庫(kù)機(jī)械手升降機(jī)構(gòu)的工作原理，進(jìn)行結(jié)構(gòu)設(shè)計(jì)和計(jì)算分析；液動(dòng)機(jī)帶動(dòng)滾珠絲杠轉(zhuǎn)動(dòng)，帶動(dòng)手架運(yùn)動(dòng)，通過(guò)減速和離合器吸合，絲杠制動(dòng)，使手架準(zhǔn)確停在換刀位置，良好的結(jié)構(gòu)設(shè)計(jì)能夠?qū)崿F(xiàn)刀庫(kù)中刀具的快速更換，提高機(jī)床的加工效率。關(guān)鍵詞:升降機(jī)構(gòu)；JCS-013數(shù)控鏜銑床；液動(dòng)機(jī)；滾珠絲杠；手架；離合器；畢業(yè)設(shè)計(jì)（論文）IICNChorizontalboringandmillingmachinetoolstoragemanipulatorliftingmechanismdesignandanalysisAbstractWiththedevelopmentofNC,theautomatictoolchangersystemismoreandmoreimportantinthemodernadvancedmanufacture,becausetheATCcanshortenthecycletimeofproductmanufacturing,improvetheprecisionofproductmachining.Thelatestrequirementsofmachinetoolusercompriseofdiversificationofcontrolobject,complexityofprocess,flexibleofapplicationandhighreliability.Thefunctionoftoolmagazineisthatstoresthetoolandmovesthetoolwhichwillbeusedinthenextmanufacturingprocesstotherightchangeoverpositionandrobotwillfinishthechangeovertool.CNChorizontalboringandmillingmachineisaautomatictoolchangedeviceandarbitraryindexingofdigitalcontrolmachinetoolncrotarytable,Afteraclampingworkpiececanautomaticallycompleteseveralprofilesofavarietyofmachiningprocess.CNChorizontalboringandmillingmachinetoolstoragemanipulatorliftingmechanismbytheLiquidmotive,Theballscrewvice,Reductionear,Frictionplateelectromagneticclutch,etc.Understandingofknifelibrarymanipulatorliftingmechanismperformancerequirements,Theunderstandingoftheprincipleofoperationofknifelibrarymanipulatorliftingmechanism,Structuredesignandcalculationanalysis,Liquidmotivationdrivestheballscrewrotation,leadframehandmovement,Byslowingdownandclutchandscrewbrake,makehandaircraftparkedinknifepositionaccurately,Gooddesigncanbringaboutquickreplacementknifetoolinlibrary,improvetheprocessingefficiencyofmachinetool.Keywords:Liftingmechanism；CNChorizontalboringandmillingmachine；Liquidmotive；Ballscrew；Hand；Clutch；畢業(yè)設(shè)計(jì)（論文）III目錄1緒論.11.1數(shù)控鏜銑床的結(jié)構(gòu)組成.11.2國(guó)內(nèi)外數(shù)控機(jī)床的發(fā)展.21.2.1國(guó)內(nèi)外數(shù)控臥式鏜銑床的現(xiàn)狀.21.3數(shù)控機(jī)床的發(fā)展趨勢(shì).51.3.1高速化、高精度化、高可靠性.51.3.2復(fù)合化.61.3.3智能化.61.3.4柔性化、集成化.62數(shù)控臥式鏜銑床刀庫(kù)機(jī)械手升降機(jī)構(gòu)設(shè)計(jì).72.1設(shè)計(jì)目的.72.2設(shè)計(jì)內(nèi)容.72.3升降機(jī)構(gòu)的組成和運(yùn)動(dòng).72.3.1升降機(jī)構(gòu)的組成.72.3.2手架升降機(jī)構(gòu)的運(yùn)動(dòng).83升降機(jī)構(gòu)驅(qū)動(dòng)電機(jī).83.1升降電機(jī)的選擇.93.1.1升降電機(jī)的理論分析.93.1.2升降電機(jī)的選擇.103.2電機(jī)調(diào)速.113.2.1變頻調(diào)速原理.123.2.2變頻器選型時(shí)要確定以下幾點(diǎn).12畢業(yè)設(shè)計(jì)（論文）IV4摩擦片式電磁離合器的選用.134.1轉(zhuǎn)矩特性.144.2動(dòng)作特性.144.3散熱特性與壽命.144.4摩擦片式電磁離合器的測(cè)試方法.154.4.1靜力矩的測(cè)定.154.4.2動(dòng)力矩的測(cè)定.154.4.3空轉(zhuǎn)力矩的測(cè)定.154.4.4殘留力矩及力矩消滅時(shí)間的測(cè)定.164.5選用電磁離合器的注意事項(xiàng).165滾珠絲杠副的選用.175.1滾珠絲杠副的工作原理.175.2滾珠絲杠副的類型