1目 錄摘 要 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????I Abstract Ⅱ第 1 章 概述 .11.1 自動上下料機構(gòu)設(shè)計的背景與目的 11.2 自動上下料機構(gòu)設(shè)計的意義 3第 2 章 總體方案設(shè)計 .42.1 方案設(shè)計概述 42.2 驅(qū)動方式的確定 .52.3 CK6140 型數(shù)控車床的主要參數(shù) .82.4 總體方案設(shè)計 92.5 本章小結(jié) .11第 3 章 夾具設(shè)計 .123.1 機床夾具設(shè)計概述 123.2 結(jié)構(gòu)設(shè)計 .133.3 氣動夾緊裝置設(shè)計計算 .173.4 本章小結(jié) .19第 4 章 機械手設(shè)計 .204.1 運動分析 .204.2 結(jié)構(gòu)設(shè)計 .214.3 本章小結(jié) .31第 5 章 氣動控制系統(tǒng)設(shè)計 .335.1 氣壓傳動系統(tǒng)原理圖的擬定 335.2 電氣控制設(shè)計 345.3 本章小結(jié) .36結(jié) 論 .37致 謝 .382參考文獻 .38摘 要針對數(shù)控車床設(shè)計的一種套類零件自動上下料機構(gòu)，實現(xiàn)了坯料的抓取、自動定位、夾緊以及工件的回放。該機構(gòu)主要由自動安裝夾具，坯料、工件拾取機械手，動力及控制系統(tǒng)組成。零件的自動定位、夾緊由彈簧漲胎心軸實現(xiàn)，漲胎心軸是以工件的內(nèi)孔表面定位，由氣缸驅(qū)動彈性筒夾向外擴漲，實現(xiàn)工件的定位和夾緊的。坯料、工件的拾取、回放是由單臂形式的機械手通過伸縮、旋轉(zhuǎn)以及俯仰等運動實現(xiàn)的，這些運動均由氣缸驅(qū)動獲得。本設(shè)計中，為實現(xiàn)工件的自動上下料，單臂機械手的運動與漲胎心軸的張合需進行緊密配合?？紤]到所夾持工件的實際尺寸、質(zhì)量等因素，本機構(gòu)采用氣動、電氣控制實現(xiàn)了坯料和工件的拾取、安裝、回放過程的自動完成。關(guān)鍵詞： 自動上下料；氣動機械手；氣動夾具；套類零件 3AbstractThis paper is aimed at designing a sleeve parts automatic baiting agencies for a CNC lathe.Its function is processing the crawls, automatic positioning and clamping of the workpiece.The automatic baiting agencies mainly consist of the automatic fixture, the manipulator for picking up the workpiece and billets and the drive and control system.Among them,the automatic positioning and clamping of the sets parts is achieved by the axis fetal heart rate rising to the workpiece centering hole.When clamping the workpiece,flexible tube folder can center and clamp the cylindrical hole through the expansion and inflation;blank grasping of the workpiece and the intervals are achieved by the manipulator arm by stretching and rotating.In the issue,it is necessary for the movements of the manipulator arm and the automatical fixture Zhang to require the coordination.Taking into account that the actual workpiece size,the quality and the various features of the driven approach to the system,we decide to adopt the aerodynamic control,using compressed air to achieve the movements of the clamping fixture and manipulator.Keywords:Automatic baiting;Pneumatic manipulator;Pneumatic fixture;sleeve parts