一、沖床機械手的工作流程是怎樣的
沖(chong)床機械手的工作過(guo)程如下:
1、從原點開始:
按(an)下啟動按(an)鈕→下降(jiang)(jiang)電(dian)磁閥通電(dian)→機(ji)械(xie)手(shou)開始下降(jiang)(jiang)。
2、下降到底時:
碰到下限(xian)位開關→下降電(dian)(dian)磁閥斷(duan)電(dian)(dian)→下降停止→同(tong)時接通(tong)夾(jia)緊電(dian)(dian)磁閥→機(ji)械手夾(jia)緊→上(shang)升電(dian)(dian)磁閥開始通(tong)電(dian)(dian)→機(ji)械手上(shang)升。
3、上升到頂時:
碰(peng)到上(shang)限(xian)位(wei)(wei)開關→上(shang)升電(dian)磁閥斷(duan)電(dian)→上(shang)升停(ting)止→同(tong)時接通右(you)移(yi)(yi)(yi)電(dian)磁閥→機械手右(you)移(yi)(yi)(yi)→右(you)移(yi)(yi)(yi)到位(wei)(wei)時→碰(peng)到右(you)移(yi)(yi)(yi)極(ji)限(xian)位(wei)(wei)開關→右(you)移(yi)(yi)(yi)電(dian)磁閥斷(duan)電(dian)→右(you)移(yi)(yi)(yi)停(ting)止。
此時,右工作臺上無工作,則光電開關接通,下降電磁閥接通,機械手下降。下降到底時,碰到下限位開關,下降電磁閥斷電,下降停止;同時夾緊電磁閥斷電,機械手放松,放松后,上(shang)升(sheng)(sheng)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)通電(dian)(dian)(dian),機(ji)(ji)械(xie)手(shou)上(shang)升(sheng)(sheng),上(shang)升(sheng)(sheng)到(dao)極(ji)限(xian)時(shi)碰到(dao)極(ji)限(xian)位(wei)開(kai)關,上(shang)升(sheng)(sheng)電(dian)(dian)(dian)磁(ci)(ci)閥(fa)斷電(dian)(dian)(dian),上(shang)升(sheng)(sheng)停(ting)止;同時(shi)接(jie)通左(zuo)移電(dian)(dian)(dian)磁(ci)(ci)閥(fa),機(ji)(ji)械(xie)手(shou)左(zuo)移;左(zuo)移到(dao)原(yuan)點時(shi),碰到(dao)左(zuo)極(ji)限(xian)開(kai)關,左(zuo)移電(dian)(dian)(dian)磁(ci)(ci)閥(fa)斷電(dian)(dian)(dian),左(zuo)移停(ting)止,至此,沖壓機(ji)(ji)械(xie)手(shou)經過八步(bu)動作完成一個循環,后續就是按(an)照這個設定的程(cheng)序重復工(gong)作,不(bu)僅(jin)節省(sheng)人(ren)工(gong),還可以提高(gao)效率。
二、沖床機械手的驅動方式是什么
沖床機(ji)械手的驅動(dong)方式(shi)(shi)有液壓機(ji)推動(dong)式(shi)(shi)、標準氣壓推動(dong)式(shi)(shi)、電氣設(she)備(bei)(bei)推動(dong)式(shi)(shi)及機(ji)械設(she)備(bei)(bei)推動(dong)式(shi)(shi)四種:
1、液壓機推動式
沖床機械手(shou)的(de)液壓(ya)系統推動(dong)(dong)式機械臂一般(ban)由液動(dong)(dong)因(各(ge)(ge)種各(ge)(ge)樣液壓(ya)缸、油電機)、液壓(ya)閥、汽油泵、汽車油箱等構成(cheng)推動(dong)(dong)系統軟件,由推動(dong)(dong)機械臂執行(xing)器完成(cheng)工作中。一般(ban)它的(de)具備較(jiao)大(da)的(de)抓舉(ju)工作能力(li)(達到幾(ji)百千(qian)克(ke)之上),其(qi)優(you)點是結構緊(jin)湊、姿勢穩定(ding)(ding)、抗沖擊、耐振(zhen)動(dong)(dong)、防爆型性(xing)好,但液壓(ya)系統規定(ding)(ding)有較(jiao)高的(de)生產精密(mi)度和密(mi)閉(bi)特性(xing),不然滲(shen)油將環境污染。
2、標準氣壓推動式
其推(tui)動系(xi)統軟件一(yi)般由汽缸、閥(fa)門(men)、汽罐和空氣(qi)壓縮機構成,其優(you)點(dian)是(shi)氣(qi)動閥(fa)門(men)便捷、手(shou)疾眼快、構造簡易、工程(cheng)造價較(jiao)低、檢修便捷。但無(wu)法開展(zhan)速率操縱(zong),標準氣(qi)壓不能太高,故抓(zhua)舉工作能力較(jiao)低。
3、電氣設備推動式
沖(chong)床(chuang)機(ji)械手的(de)(de)(de)(de)電(dian)能推動(dong)(dong)(dong)(dong)是(shi)機(ji)械臂應(ying)用得較多的(de)(de)(de)(de)一(yi)種推動(dong)(dong)(dong)(dong)方法(fa)。其優點是(shi)開關電(dian)源便捷,回應(ying)快(kuai),推動(dong)(dong)(dong)(dong)力比較大(骨關節(jie)型(xing)的(de)(de)(de)(de)剛直已(yi)達400kg),信號檢測、傳動(dong)(dong)(dong)(dong)系統、解決便捷,并可采(cai)取各種靈活性的(de)(de)(de)(de)調節(jie)計劃方案。驅動(dong)(dong)(dong)(dong)電(dian)機(ji)一(yi)般選用伺(si)服電(dian)機(ji),直流電(dian)交流伺(si)服電(dian)機(ji)(AC)為關鍵的(de)(de)(de)(de)推動(dong)(dong)(dong)(dong)方法(fa)。
因為電(dian)動(dong)機速(su)率高,一般須選用降(jiang)速(su)組(zu)(zu)織(zhi)(zhi)(如(ru)諧波傳(chuan)動(dong)、RV擺線針(zhen)減速(su)機傳(chuan)動(dong)系統、傳(chuan)動(dong)齒輪、螺(luo)旋傳(chuan)動(dong)和多桿組(zu)(zu)織(zhi)(zhi)等)。有此機械(xie)臂(bei)已逐漸使用無降(jiang)速(su)組(zu)(zu)織(zhi)(zhi)的大(da)轉(zhuan)距,低轉(zhuan)速(su)比電(dian)動(dong)機開展立即推動(dong)(DD)這既可讓組(zu)(zu)織(zhi)(zhi)簡單化(hua),又可增強線性度。
4、機械設備推動式
沖床機械手的機械設備推動只用作(zuo)動作(zuo)固定不動的場(chang)所。一(yi)般用凸輪軸機械結構來完成要求的姿勢。其優(you)點(dian)是(shi)姿勢確實可靠(kao),工作(zuo)中(zhong)速率高,低成本,但不容易調節。