液壓機(jī)械手設(shè)計(jì)【液壓傳動(dòng)械手的設(shè)計(jì)】,液壓傳動(dòng)械手的設(shè)計(jì),液壓機(jī)械手設(shè)計(jì)【液壓傳動(dòng)械手的設(shè)計(jì)】,液壓,機(jī)械手,設(shè)計(jì),傳動(dòng) 外文出處：《Manufacturing?Engineering?and?Technology—Machining》 附件1：外文原文? Manipulator Robot?developed?in?recent?decades?as?high-tech?automated?production?equipment.?Industrial?robot?is?an?important?branch?of?industrial?robots.?It?features?can?be?programmed?to?perform?tasks?in?a?variety?of?expectations,?in?both?structure?and?performance?advantages?of?their?own?people?and?machines,?in?particular,?reflects?the?people's?intelligence?and?adaptability.?The?accuracy?of?robot?operations?and?a?variety?of?environments?the?ability?to?complete?the?work?in?the?field?of?national?economy?and?there?are?broad?prospects?for?development.?With?the?development?of?industrial?automation,?there?has?been?CNC?machining?center,?it?is?in?reducing?labor?intensity,?while?greatly?improved?labor?productivity.?However,?the?upper?and?lower?common?in?CNC?machining?processes?material,?usually?still?use?manual?or?traditional?relay-controlled?semi-automatic?device.?The?former?time-consuming?and?labor?intensive,?inefficient;?the?latter?due?to?design?complexity,?require?more?relays,?wiring?complexity,?vulnerability?to?body?vibration?interference,?while?the?existence?of?poor?reliability,?fault?more?maintenance?problems?and?other?issues.?Programmable?Logic?Controller?PLC-controlled?robot?control?system?for?materials?up?and?down?movement?is?simple,?circuit?design?is?reasonable,?with?a?strong?anti-jamming?capability,?ensuring?the?system's?reliability,?reduced?maintenance?rate,?and?improve?work?efficiency.?Robot?technology?related?to?mechanics,?mechanics,?electrical?hydraulic?technology,?automatic?control?technology,?sensor?technology?and?computer?technology?and?other?fields?of?science,?is?a?cross-disciplinary?integrated?technology.? Robot?is?a?kind?of?positioning?control?can?be?automated?and?can?be?re-programmed?to?change?in?multi-functional?machine,?which?has?multiple?degrees?of?freedom?can?be?used?to?carry?an?object?in?order?to?complete?the?work?in?different?environments.?Low?wages?in?China,?plastic?products?industry,?although?still?a?labor-intensive,?mechanical?hand?use?has?become?increasingly?popular.?Electronics?and?automotive?industries?that?Europe?and?the?United?States?multinational?companies?very?early?in?their?factories?in?China,?the?introduction?of?automated?production.?But?now?the?changes?are?those?found?in?industrial-intensive?South?China,?East?China's?coastal?areas,?local?plastic?processing?plants?have?also?emerged?in?mechanical?watches?began?to?become?increasingly?interested?in,?because?they?have?to?face?a?high?turnover?rate?of?workers,?as?well?as?for?the?workers?to?pay?work-related?injuries?fee?challenges.? With?the?rapid?development?of?China's?industrial?production,?especially?the?reform?and?opening?up?after?the?rapid?increase?in?the?degree?of?automation?to?achieve?the?workpiece?handling,?steering,?transmission?or?operation?of?brazing,?spray?gun,?wrenches?and?other?tools?for?processing?and?assembly?operations?since,?which?has?more?and?more?attracted?our?attention.?Robot?is?to?imitate?the?manual?part?of?the?action,?according?to?a?given?program,?track?and?requirements?for?automatic?capture,?handling?or?operation?of?the?automatic?mechanical?devices. In?real?life,?you?will?find?this?a?problem.?In?the?machine?shop,?the?processing?of?parts?loading?time?is?not?annoying,?and?labor?productivity?is?not?high,?the?cost?of?production?major,?and?sometimes?man-made?incidents?will?occur,?resulting?in?processing?were?injured.?Think?about?what?could?replace?it?with?the?processing?time?of?a?tour?as?long?as?there?are?a?few?people,?and?can?operate?24?hours?saturated?human?right??The?answer?is?yes,?but?the?robot?can?come?to?replace?it. Production?of?mechanical?hand?can?increase?the?automation?level?of?production?and?labor?productivity;?can?reduce?labor?intensity,?ensuring?product?quality,?to?achieve?safe?production;?particularly?in?the?high-temperature,?high?pressure,?low?temperature,?low?pressure,?dust,?explosive,?toxic?and?radioactive?gases?such?as?poor?environment?can?replace?the?normal?working?people.?Here?I?would?like?to?think?of?designing?a?robot?to?be?used?in?actual?production.. Why?would?a?robot?designed?to?provide?a?pneumatic?power:?pneumatic?robot?refers?to?the?compressed?air?as?power?source-driven?robot.?With?pressure-driven?and?other?energy-driven?comparison?have?the?following?advantages:?1.?Air?inexhaustible,?used?later?discharged?into?the?atmosphere,?does?not?require?recycling?and?disposal,?do?not?pollute?the?environment.?(Concept?of?environmental?protection)?2.?Air?stick?is?small,?the?pipeline?pressure?loss?is?small?(typically?less?than?asphalt?gas?path?pressure?drop?of?one-thousandth),?to?facilitate?long-distance?transport.?3.?Compressed?air?of?the?working?pressure?is?low?(usually?4?to?8?kg?/?per?square?centimeter),?and?therefore?moving?the?material?components?and?manufacturing?accuracy?requirements?can?be?lowered.?4.?With?the?hydraulic?transmission,?compared?to?its?faster?action?and?reaction,?which?is?one?of?the?advantages?pneumatic?outstanding.?5.?The?air?cleaner?media,?it?will?not?degenerate,?not?easy?to?plug?the?pipeline.?But?there?are?also?places?where?it?fly?in?the?ointment:?1.?As?the?compressibility?of?air,?resulting?in?poor?aerodynamic?stability?of?the?work,?resulting?in?the?implementing?agencies?as?the?precision?of?the?velocity?and?not?easily?controlled.?2.?As?the?use?of?low?atmospheric?pressure,?the?output?power?can?not?be?too?large;?in?order?to?increase?the?output?power?is?bound?to?the?structure?of?the?entire?pneumatic?system?size?increased. With?pneumatic?drive?and?compare?with?other?energy?sources?drive?has?the?following?advantages: Air?inexhaustible,?used?later?discharged?into?the?atmosphere,?without?recycling?and?disposal,?do?not?pollute?the?environment.?Accidental?or?a?small?amount?of?leakage?would?not?be?a?serious?impact?on?production.?Viscosity?of?air?is?small,?the?pipeline?pressure?loss?also?is?very?small,?easy?long-distance?transport. The?lower?working?pressure?of?compressed?air,?pneumatic?components?and?therefore?the?material?and?manufacturing?accuracy?requirements?can?be?lowered.?In?general,?reciprocating?thrust?in?1?to?2?tons?pneumatic?economy?is?better. Compared?with?the?hydraulic?transmission,?and?its?faster?action?and?reaction,?which?is?one?of?the?outstanding?merits?of?pneumatic.? Clean?air?medium,?it?will?not?degenerate,?not?easy?to?plug?the?pipeline.?It?can?be?safely?used?in?flammable,?explosive?and?the?dust?big?occasions.?Also?easy?to?realize?automatic?overload?protection. Therefore,?the?study?of?mechanical?hand?design?is?very?meaningful.. 外文出處：《制造工程及其技術(shù)---機(jī)加工部分》 附件1：外文資料翻譯譯文? 機(jī)械手? 機(jī)械手是近幾十年發(fā)展起來(lái)的一種高科技自動(dòng)化生產(chǎn)設(shè)備。工業(yè)機(jī)械手是工業(yè)機(jī)器人的一個(gè)重要分支。它的特點(diǎn)是可通過(guò)編程來(lái)完成各種預(yù)期的作業(yè)任務(wù)，在構(gòu)造和性能上兼有人和機(jī)器各自的優(yōu)點(diǎn)，尤其體現(xiàn)了人的智能和適應(yīng)性。機(jī)械手作業(yè)的準(zhǔn)確性和各種環(huán)境中完成作業(yè)的能力，在國(guó)民經(jīng)濟(jì)各領(lǐng)域有著廣闊的發(fā)展前景。隨著工業(yè)自動(dòng)化的發(fā)展,?出現(xiàn)了數(shù)控加工中心,它在減輕工人的勞動(dòng)強(qiáng)度的同時(shí),?大大提高了勞動(dòng)生產(chǎn)率。但數(shù)控加工中常見(jiàn)的上下料工序,?通常仍采用人工操作或傳統(tǒng)繼電器控制的半自動(dòng)化裝置。前者費(fèi)時(shí)費(fèi)工、效率低;?后者因設(shè)計(jì)復(fù)雜,?需較多繼電器,接線繁雜,?易受車體振動(dòng)干擾,而存在可靠性差、故障多、維修困難等問(wèn)題。可編程序控制器PLC控制的上下料機(jī)械手控制系統(tǒng)動(dòng)作簡(jiǎn)便、線路設(shè)計(jì)合理、具有較強(qiáng)的抗干擾能力,?保證了系統(tǒng)運(yùn)行的可靠性,降低了維修率,?提高了工作效率。機(jī)械手技術(shù)涉及到力學(xué)、機(jī)械學(xué)、電氣液壓技術(shù)、自動(dòng)控制技術(shù)、傳感器技術(shù)和計(jì)算機(jī)技術(shù)等科學(xué)領(lǐng)域，是一門跨學(xué)科綜合技術(shù)。?? 機(jī)械手是一種能自動(dòng)化定位控制并可重新編程序以變動(dòng)的多功能機(jī)器，它有多個(gè)自由度，可用來(lái)搬運(yùn)物體以完成在各個(gè)不同環(huán)境中工作。在工資水平較低的中國(guó)，塑料制品行業(yè)盡管仍屬于勞動(dòng)力密集型，機(jī)械手的使用已經(jīng)越來(lái)越普及。那些電子和汽車業(yè)的歐美跨國(guó)公司很早就在它們?cè)O(shè)在中國(guó)的工廠中引進(jìn)了自動(dòng)化生產(chǎn)。但現(xiàn)在的變化是那些分布在工業(yè)密集的華南、華東沿海地區(qū)的中國(guó)本土塑料加工廠也開(kāi)始對(duì)機(jī)械手表現(xiàn)出越來(lái)越濃厚的興趣，因?yàn)樗麄円鎸?duì)工人流失率高，以及為工人交工傷費(fèi)帶來(lái)的挑戰(zhàn)。? 隨著我國(guó)工業(yè)生產(chǎn)的飛躍發(fā)展，特別是改革開(kāi)發(fā)以后，自動(dòng)化程度的迅速提高，實(shí)現(xiàn)工件的裝卸、轉(zhuǎn)向、輸送或操作釬焊、噴槍、扳手等工具進(jìn)行加工、裝配等作業(yè)自化，已愈來(lái)愈引起我們重視。? 機(jī)械手是模仿著人手的部分動(dòng)作，按給定的程序、軌跡和要求實(shí)現(xiàn)自動(dòng)抓取、搬運(yùn)或操作的自動(dòng)機(jī)械裝置。? 在現(xiàn)實(shí)生活中，你是否會(huì)發(fā)現(xiàn)這樣一個(gè)問(wèn)題。在機(jī)械工廠里，加工零件裝料的時(shí)候是不是很煩的，勞動(dòng)生產(chǎn)率不高，生產(chǎn)成本大，有時(shí)候還會(huì)發(fā)生一些人為事故，導(dǎo)致加工者受傷。想想看用什么可以來(lái)代替呢，加工的時(shí)候只要有幾個(gè)人巡視一下，且可以二十四個(gè)小時(shí)飽和運(yùn)作，人行嗎？回答是肯定的，但是機(jī)械手可以來(lái)代替它。? 生產(chǎn)中應(yīng)用機(jī)械手可以提高生產(chǎn)的自動(dòng)化水平和勞動(dòng)生產(chǎn)率;可以減輕勞動(dòng)強(qiáng)度、保證產(chǎn)品質(zhì)量、實(shí)現(xiàn)安全生產(chǎn)；尤其是在高溫、高壓、低溫、低壓、粉塵、易爆、有毒氣體和放射性等惡劣的環(huán)境中能夠代替人進(jìn)行正常的工作。想到這里我就很想設(shè)計(jì)一個(gè)機(jī)械手，來(lái)用于生產(chǎn)實(shí)際中。? 為什么選著設(shè)計(jì)機(jī)械手用氣動(dòng)來(lái)提供動(dòng)力：氣動(dòng)機(jī)械手是指以壓縮空氣為動(dòng)力源驅(qū)動(dòng)的機(jī)械手。用氣壓驅(qū)動(dòng)與其他能源驅(qū)動(dòng)比較有以下優(yōu)點(diǎn)：1.空氣取之不竭，用過(guò)之后排入大氣，不需要回收和處理，不污染環(huán)境。（環(huán)保的概念）2.空氣的沾性很小，管路中壓力損失也很?。ㄒ话銡饴纷枇p失不到油路的千分之一），便于遠(yuǎn)距離輸送。3.壓縮空氣的工作壓力較低(一般為4～8公斤/每平方厘米)，因此對(duì)動(dòng)元件的材質(zhì)和制造精度要求可以降低。4.與液壓傳動(dòng)相比，它的動(dòng)作和反應(yīng)都快，這是氣動(dòng)突出的優(yōu)點(diǎn)之一。5.空氣介質(zhì)清潔，亦不會(huì)變質(zhì)，管路不易堵塞。但是也有它美中不足的地方：1.由于空氣的可壓縮性，致使氣動(dòng)工作的穩(wěn)定性差，因而造成執(zhí)行機(jī)構(gòu)運(yùn)動(dòng)速度和定為精度不易控制。2.由于使用氣壓較低，輸出力不可能太大，為了增加輸出力，必然使整個(gè)氣動(dòng)系統(tǒng)的結(jié)構(gòu)尺寸加大。? 用氣壓驅(qū)動(dòng)與用其他能源驅(qū)動(dòng)比較有以下優(yōu)點(diǎn)：? 空氣取之不竭，用過(guò)之后排入大氣，不需回收和處理，不污染環(huán)境。偶然的或少量的泄漏不致對(duì)生產(chǎn)發(fā)生嚴(yán)重的影響。? 空氣的粘性很小，管路中壓力損失也就很小，便于遠(yuǎn)距離輸送。? 壓縮空氣的工作壓力較低，因此對(duì)氣動(dòng)元件的材質(zhì)和制造精度要求可以降低。一般說(shuō)來(lái)，往復(fù)運(yùn)動(dòng)推力在1~2噸以下采用氣動(dòng)經(jīng)濟(jì)性較好。? 與液壓傳動(dòng)相比，它的動(dòng)作和反應(yīng)都快，這是氣動(dòng)的突出優(yōu)點(diǎn)之一。?空氣介質(zhì)清潔，亦不會(huì)變質(zhì)，管路不易堵塞。? 它可安全地應(yīng)用在易燃、易爆和粉塵大的場(chǎng)合。又便于實(shí)現(xiàn)過(guò)載自動(dòng)保護(hù).。 因此，機(jī)械手的研究設(shè)計(jì)是十分有必要的。