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電磁振動給料機概述及技術分析

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  電磁振動給料機概述及技(ji)術分(fen)析

  概述:

   電(dian)(dian)(dian)磁(ci)(ci)振(zhen)(zhen)動(dong)(dong)給料(liao)(liao)(liao)機(ji)在工(gong)作(zuo)過程中(zhong)可把塊狀(zhuang)、顆粒(li)狀(zhuang)物(wu)料(liao)(liao)(liao)從儲料(liao)(liao)(liao)倉中(zhong)均勻、定時、連續地送(song)入受料(liao)(liao)(liao)裝置(zhi),在砂(sha)石生(sheng)產線中(zhong)可為(wei)破碎機(ji)械(xie)連續均勻地喂(wei)料(liao)(liao)(liao),并對物(wu)料(liao)(liao)(liao)進行(xing)粗篩分,廣(guang)泛應用(yong)于冶金、煤礦、選礦、建(jian)材、化(hua)工(gong)、磨料(liao)(liao)(liao)等行(xing)業(ye)(ye)的(de)(de)(de)破碎、篩分聯合(he)設備(bei)中(zhong),是(shi)一種(zhong)在選礦作(zuo)業(ye)(ye)、人工(gong)砂(sha)石線、選煤等行(xing)業(ye)(ye)中(zhong)廣(guang)泛應用(yong)的(de)(de)(de)給料(liao)(liao)(liao)設備(bei),縱(zong)觀其發(fa)(fa)展歷(li)程,先后經歷(li)了電(dian)(dian)(dian)磁(ci)(ci)振(zhen)(zhen)動(dong)(dong)、電(dian)(dian)(dian)機(ji)振(zhen)(zhen)動(dong)(dong)、機(ji)械(xie)振(zhen)(zhen)動(dong)(dong)三個發(fa)(fa)展階段。電(dian)(dian)(dian)磁(ci)(ci)振(zhen)(zhen)動(dong)(dong)給料(liao)(liao)(liao)機(ji)在冶金、煤炭(tan)、電(dian)(dian)(dian)力、化(hua)工(gong)、建(jian)材、鋼鐵、水泥、輕(qing)工(gong)和糧食等行(xing)業(ye)(ye)中(zhong)廣(guang)泛應用(yong),可與其他(ta)設備(bei)配套實現自動(dong)(dong)化(hua)作(zuo)業(ye)(ye),電(dian)(dian)(dian)磁(ci)(ci)振(zhen)(zhen)動(dong)(dong)給料(liao)(liao)(liao)機(ji)的(de)(de)(de)研究發(fa)(fa)展趨勢(shi)提出了前瞻性(xing)的(de)(de)(de)展望。

  一、電磁振動給料機技術分析

  電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)是引(yin)進日本(ben)技(ji)(ji)術先(xian)(xian)進設(she)備,并迅速(su)得(de)到(dao)(dao)廣(guang)泛應用(yong)(yong)(yong)(yong),電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給煤機(ji)屬于(yu)單、雙質體共振(zhen)型(xing),電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)具有(you)的(de)(de)(de)(de)(de)技(ji)(ji)術特(te)點:(1)振(zhen)幅(fu)穩(wen)定,運行可靠,適應性強;(2)底部(bu)彈(dan)簧緩(huan)沖配置,使機(ji)身能(neng)夠接受較(jiao)大(da)(da)塊物料(liao)(liao)(liao)的(de)(de)(de)(de)(de)沖擊,保證了(le)(le)供料(liao)(liao)(liao)的(de)(de)(de)(de)(de)均(jun)勻(yun)、連續性;(3)激(ji)振(zhen)源(yuan)為偏心(xin)塊,振(zhen)動(dong)(dong)(dong)(dong)平穩(wen),激(ji)振(zhen)力可調(diao),能(neng)隨時(shi)控(kong)(kong)制流量,給料(liao)(liao)(liao)均(jun)勻(yun),電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)結構緊(jin)湊(cou)、重量輕、耗(hao)電(dian)(dian)少等特(te)點,在(zai)全國得(de)到(dao)(dao)推廣(guang),頗受用(yong)(yong)(yong)(yong)戶歡迎,經(jing)過(guo)使用(yong)(yong)(yong)(yong)發(fa)(fa)現(xian)電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)故障較(jiao)多,如銜(xian)鐵(tie)損壞(huai),無(wu)振(zhen)幅(fu)不(bu)走料(liao)(liao)(liao),板(ban)(ban)彈(dan)簧斷裂,板(ban)(ban)彈(dan)簧頂(ding)緊(jin)螺栓松動(dong)(dong)(dong)(dong),鐵(tie)芯與銜(xian)鐵(tie)間(jian)氣隙的(de)(de)(de)(de)(de)大(da)(da)小以及(ji)(ji)板(ban)(ban)彈(dan)簧片數調(diao)整不(bu)當,易(yi)造成(cheng)(cheng)電(dian)(dian)流加大(da)(da)、振(zhen)幅(fu)減小和不(bu)能(neng)正常運轉,嚴(yan)重者將產生(sheng)鐵(tie)芯碰撞(zhuang)而導(dao)致鐵(tie)芯和線圈(quan)的(de)(de)(de)(de)(de)損壞(huai),工(gong)作(zuo)時(shi)噪聲大(da)(da),不(bu)宜輸送極細的(de)(de)(de)(de)(de)或潮濕的(de)(de)(de)(de)(de)粘性粉(fen)狀物以及(ji)(ji)輸送距離短。這一系列問題限(xian)制了(le)(le)電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)的(de)(de)(de)(de)(de)進一步發(fa)(fa)展,鶴壁市宏利振(zhen)動(dong)(dong)(dong)(dong)機(ji)械有(you)限(xian)公司所生(sheng)產的(de)(de)(de)(de)(de)電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)有(you)著(zhu)多年(nian)的(de)(de)(de)(de)(de)豐富生(sheng)產經(jing)驗,精湛的(de)(de)(de)(de)(de)生(sheng)產技(ji)(ji)術,引(yin)進融合國際上先(xian)(xian)進的(de)(de)(de)(de)(de)生(sheng)產工(gong)藝(yi)而研(yan)制打造的(de)(de)(de)(de)(de)電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)給料(liao)(liao)(liao)力度大(da)(da),工(gong)作(zuo)能(neng)力先(xian)(xian)進合理(li)(li),電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)由給料(liao)(liao)(liao)槽體、激(ji)振(zhen)器、彈(dan)簧支座(zuo)、傳動(dong)(dong)(dong)(dong)裝置等組成(cheng)(cheng),電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)結構簡單,操作(zuo)方便(bian),不(bu)需潤化,耗(hao)電(dian)(dian)量小,可以均(jun)勻(yun)地調(diao)節給料(liao)(liao)(liao)量,因此已得(de)到(dao)(dao)廣(guang)泛應用(yong)(yong)(yong)(yong),利用(yong)(yong)(yong)(yong)振(zhen)動(dong)(dong)(dong)(dong)原理(li)(li),研(yan)究、設(she)計(ji)、制造電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji),設(she)計(ji)了(le)(le)激(ji)磁鐵(tie)芯、半波可控(kong)(kong)硅(gui)整流及(ji)(ji)控(kong)(kong)制電(dian)(dian)路,電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)參考(kao)了(le)(le)國外近期使用(yong)(yong)(yong)(yong)設(she)備,研(yan)制成(cheng)(cheng)的(de)(de)(de)(de)(de)又一種(zhong)新(xin)型(xing)電(dian)(dian)磁振(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)(liao)機(ji)設(she)備,也是中(zhong)國首(shou)次開發(fa)(fa)的(de)(de)(de)(de)(de)新(xin)產品(pin),其受力狀態較(jiao)好,動(dong)(dong)(dong)(dong)力消(xiao)耗(hao)小,噪聲低(di),開停機(ji)平穩(wen)。

  二、電磁振動給料機的組成部分

  電磁(ci)(ci)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)給料(liao)(liao)機(ji)是(shi)一種由(you)電磁(ci)(ci)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)器(qi)輸(shu)出的(de)(de)是(shi)高(gao)頻振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong),電磁(ci)(ci)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)給料(liao)(liao)機(ji)由(you)槽(cao)體(ti)(ti)、振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)器(qi)、減振(zhen)(zhen)(zhen)(zhen)器(qi)和電氣控(kong)制器(qi)四部分(fen)組(zu)成(cheng),電磁(ci)(ci)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)給料(liao)(liao)機(ji)是(shi)一個雙(shuang)質(zhi)點定向強迫振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)的(de)(de)彈性系(xi)統。由(you)槽(cao)體(ti)(ti)、連接(jie)(jie)叉、銜(xian)鐵(tie)和槽(cao)體(ti)(ti)中物料(liao)(liao)的(de)(de)10%~20%等質(zhi)量組(zu)成(cheng)質(zhi)量m1 ;振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)器(qi)殼體(ti)(ti)、鐵(tie)芯、線(xian)(xian)(xian)圈(quan)等組(zu)成(cheng)質(zhi)量m2。m1和m2這兩個質(zhi)量用一束板(ban)彈簧連在一起,形成(cheng)一個雙(shuang)質(zhi)量定向振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)的(de)(de)彈性系(xi)統,因(yin)此電磁(ci)(ci)振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong)給料(liao)(liao)機(ji)是(shi)在接(jie)(jie)近共(gong)振(zhen)(zhen)(zhen)(zhen)的(de)(de)狀(zhuang)態(tai)下工作(zuo),具有(you)消耗(hao)功率(lv)小(xiao)的(de)(de)特點,激振(zhen)(zhen)(zhen)(zhen)器(qi)電磁(ci)(ci)線(xian)(xian)(xian)圈(quan)的(de)(de)電流(liu)(liu)是(shi)經過單相半(ban)波(bo)整流(liu)(liu)的(de)(de),當(dang)線(xian)(xian)(xian)圈(quan)接(jie)(jie)通后在正(zheng)半(ban)周內有(you)電流(liu)(liu)通過,銜(xian)鐵(tie)與鐵(tie)芯之(zhi)間便產生(sheng)一脈沖電磁(ci)(ci)力互相吸引(yin)。這時槽(cao)體(ti)(ti)向后運動(dong)(dong)(dong),激振(zhen)(zhen)(zhen)(zhen)器(qi)的(de)(de)主彈簧發生(sheng)變形儲存了一定的(de)(de)勢能(neng),在負半(ban)周線(xian)(xian)(xian)圈(quan)中無電流(liu)(liu)通過,電磁(ci)(ci)力消失(shi),主彈簧釋(shi)放能(neng)量,使(shi)銜(xian)鐵(tie)和鐵(tie)芯朝相反方向離槽(cao)體(ti)(ti)向前運動(dong)(dong)(dong),于是(shi)電磁(ci)(ci)給料(liao)(liao)機(ji)以交流(liu)(liu)電源的(de)(de)頻率(lv)作(zuo)每分(fen)鐘3000次的(de)(de)往復振(zhen)(zhen)(zhen)(zhen)動(dong)(dong)(dong),由(you)于槽(cao)體(ti)(ti)的(de)(de)底(di)平面(mian)與激振(zhen)(zhen)(zhen)(zhen)力作(zuo)用線(xian)(xian)(xian)有(you)一定的(de)(de)夾角,因(yin)此,槽(cao)體(ti)(ti)中的(de)(de)物料(liao)(liao)沿拋(pao)物線(xian)(xian)(xian)的(de)(de)軌(gui)跡連續不斷(duan)地向前運動(dong)(dong)(dong)。

  調節(jie)整流(liu)(liu)電(dian)壓(ya)的(de)(de)(de)(de)高低,即可(ke)(ke)控(kong)(kong)(kong)制(zhi)(zhi)電(dian)磁振動給料(liao)機的(de)(de)(de)(de)送(song)料(liao)量。給料(liao)機采用可(ke)(ke)控(kong)(kong)(kong)硅整流(liu)(liu)供電(dian),改(gai)變(bian)可(ke)(ke)控(kong)(kong)(kong)硅的(de)(de)(de)(de)導(dao)通(tong)角,即可(ke)(ke)控(kong)(kong)(kong)制(zhi)(zhi)輸出電(dian)壓(ya)的(de)(de)(de)(de)高低,根據使(shi)用條件,可(ke)(ke)取不同信(xin)號來(lai)控(kong)(kong)(kong)制(zhi)(zhi)可(ke)(ke)控(kong)(kong)(kong)硅導(dao)能角的(de)(de)(de)(de)大(da)小(xiao)以達到自(zi)動定量送(song)料(liao)的(de)(de)(de)(de)目的(de)(de)(de)(de),電(dian)磁振動給料(liao)機給料(liao)的(de)(de)(de)(de)準確控(kong)(kong)(kong)制(zhi)(zhi)直(zhi)接影響到生產(chan)的(de)(de)(de)(de)效益與質量,可(ke)(ke)控(kong)(kong)(kong)制(zhi)(zhi)電(dian)磁振動給料(liao)機均勻給料(liao),具有結(jie)構簡單,易于調節(jie),工作穩定和(he)遠距離微機控(kong)(kong)(kong)制(zhi)(zhi)等(deng)特點,可(ke)(ke)實現生產(chan)流(liu)(liu)程的(de)(de)(de)(de)集中控(kong)(kong)(kong)制(zhi)(zhi)和(he)自(zi)動控(kong)(kong)(kong)制(zhi)(zhi)。

  電(dian)磁(ci)振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)主要有(you)吊掛(gua)式(shi)和支座式(shi)兩種(zhong)安(an)裝方式(shi),選擇哪種(zhong)安(an)裝方式(shi)要根據電(dian)磁(ci)振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)的(de)(de)(de)安(an)裝環境、振(zhen)(zhen)動(dong)(dong)(dong)(dong)程度以及(ji)給料(liao)(liao)要求(qiu)等因素綜合(he)考慮,需要對電(dian)磁(ci)振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)的(de)(de)(de)隔振(zhen)(zhen)彈簧剛度和彈簧的(de)(de)(de)位置進行計算(suan)或采用(yong)優化設計的(de)(de)(de)方法對振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)隔振(zhen)(zhen)參(can)數進行優化計算(suan),以確定(ding)彈簧參(can)數,對電(dian)磁(ci)振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)技術改進,電(dian)磁(ci)鐵間的(de)(de)(de)振(zhen)(zhen)幅不用(yong)很(hen)大就能(neng)使料(liao)(liao)槽(cao)產生較大的(de)(de)(de)振(zhen)(zhen)動(dong)(dong)(dong)(dong),增(zeng)大了(le)電(dian)磁(ci)鐵的(de)(de)(de)穩定(ding)性,具有(you)很(hen)好的(de)(de)(de)隔振(zhen)(zhen)效(xiao)(xiao)果,不斷改進振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)的(de)(de)(de)控制、調節(jie)性能(neng),使電(dian)磁(ci)振(zhen)(zhen)動(dong)(dong)(dong)(dong)給料(liao)(liao)機(ji)(ji)(ji)(ji)始終保持高效(xiao)(xiao)的(de)(de)(de)工作狀態,料(liao)(liao)槽(cao)角度可調以適應(ying)處(chu)理量的(de)(de)(de)要求(qiu),振(zhen)(zhen)動(dong)(dong)(dong)(dong)形式(shi)可調以適應(ying)不同(tong)物料(liao)(liao)和給料(liao)(liao)效(xiao)(xiao)率的(de)(de)(de)要求(qiu),其中(zhong)激振(zhen)(zhen)器的(de)(de)(de)研究應(ying)該是一(yi)個發展(zhan)方向,降(jiang)低動(dong)(dong)(dong)(dong)力消耗(hao),減小噪聲達到更加環保和人性化設計,符合(he)國(guo)家"十二五"振(zhen)(zhen)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)械發展(zhan)綱(gang)要中(zhong)的(de)(de)(de)相(xiang)關精神。

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