畢業(yè)設(shè)計（論文）本科畢業(yè)設(shè)計(論文)題目：數(shù)控臥式鏜銑床刀庫機械手升降機構(gòu)設(shè)計與分析系別：機電信息系專業(yè)：機械設(shè)計制造及其自動化班級：學(xué)生：學(xué)號：指導(dǎo)教師：2013年05月畢業(yè)設(shè)計（論文）I數(shù)控臥式鏜銑床刀庫機械手升降機構(gòu)設(shè)計與分析摘要數(shù)控臥式機床的發(fā)展與應(yīng)用，大大降低了零件的加工輔助時間，提高了生產(chǎn)效率。隨著數(shù)控機床的普及應(yīng)用，機械加工的自動化程度大大提高，數(shù)控機床發(fā)展成了當(dāng)今普遍應(yīng)用的一種更新、更先進的制造設(shè)備。加工中心帶有刀庫和自動換刀裝置，可以實現(xiàn)按照預(yù)定程序?qū)ぜM行多工序加工。數(shù)控臥式鏜銑床是一種具有自動換刀裝置和任意分度數(shù)控轉(zhuǎn)臺的數(shù)字控制機床，工件在一次裝夾后能自動完成幾個側(cè)面的的多種工序的加工。數(shù)控臥式鏜銑床刀庫機械手升降機構(gòu)由液動機、滾珠絲杠副、減速齒輪、摩擦片式電磁離合器等構(gòu)成。了解刀庫機械手升降機構(gòu)的性能要求；了解刀庫機械手升降機構(gòu)的工作原理，進行結(jié)構(gòu)設(shè)計和計算分析；液動機帶動滾珠絲杠轉(zhuǎn)動，帶動手架運動，通過減速和離合器吸合，絲杠制動，使手架準(zhǔn)確停在換刀位置，良好的結(jié)構(gòu)設(shè)計能夠?qū)崿F(xiàn)刀庫中刀具的快速更換，提高機床的加工效率。關(guān)鍵詞:升降機構(gòu)；JCS-013數(shù)控鏜銑床；液動機；滾珠絲杠；手架；離合器；畢業(yè)設(shè)計（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（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國內(nèi)外數(shù)控機床的發(fā)展.21.2.1國內(nèi)外數(shù)控臥式鏜銑床的現(xiàn)狀.21.3數(shù)控機床的發(fā)展趨勢.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)控臥式鏜銑床刀庫機械手升降機構(gòu)設(shè)計.72.1設(shè)計目的.72.2設(shè)計內(nèi)容.72.3升降機構(gòu)的組成和運動.72.3.1升降機構(gòu)的組成.72.3.2手架升降機構(gòu)的運動.83升降機構(gòu)驅(qū)動電機.83.1升降電機的選擇.93.1.1升降電機的理論分析.93.1.2升降電機的選擇.103.2電機調(diào)速.113.2.1變頻調(diào)速原理.123.2.2變頻器選型時要確定以下幾點.12畢業(yè)設(shè)計（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試方法.154.4.1靜力矩的測定.154.4.2動力矩的測定.154.4.3空轉(zhuǎn)力矩的測定.154.4.4殘留力矩及力矩消滅時間的測定.164.5選用電磁離合器的注意事項.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