輸送機廠家:鏈條輸送機的設計要點
作者:山東中輸輸送機械有限公司 | 發布時間:2022-09-22 |
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隨著自(zi)動(dong)化程度(du)不(bu)斷(duan)提(ti)高,輸送設備在自(zi)動(dong)化倉儲物流系統(tong)中(zhong)得到(dao)了的應用。常見的輸送機有鏈條輸送機、帶式輸送機、螺旋輸送機等。下面輸送機廠家跟大家聊一聊鏈條輸送設備的設計要點。
1、驅動(dong)裝置(zhi)
鏈(lian)式輸(shu)送(song)(song)設(she)備一般運(yun)行速(su)(su)度(du)低,但傳動(dong)(dong)(dong)(dong)扭矩大,傳動(dong)(dong)(dong)(dong)功率大。因此,驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)通常由電機減速(su)(su)器(qi)組組成,通過(guo)(guo)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)使輸(shu)送(song)(song)設(she)備驅(qu)動(dong)(dong)(dong)(dong)軸(zhou)轉(zhuan)動(dong)(dong)(dong)(dong)而實現輸(shu)送(song)(song)鏈(lian)條的(de)運(yun)行及(ji)物(wu)體的(de)輸(shu)送(song)(song)。驅(qu)動(dong)(dong)(dong)(dong)軸(zhou)的(de)支撐(cheng)一般采用(yong)雙(shuang)(shuang)列調心(xin)球軸(zhou)承座(zuo)。由于(yu)調心(xin)球軸(zhou)承座(zuo)具(ju)有自動(dong)(dong)(dong)(dong)調心(xin)功能(neng),當兩(liang)(liang)個(ge)軸(zhou)承有一定的(de)同(tong)軸(zhou)度(du)誤(wu)差(cha)時,可以(yi)保證輸(shu)送(song)(song)機的(de)正常運(yun)行,雙(shuang)(shuang)列軸(zhou)承具(ju)有足夠(gou)的(de)承載能(neng)力(li)。輸(shu)送(song)(song)機廠家(jia)提醒大家(jia)當設(she)備總長度(du)長,負(fu)載大,驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)驅(qu)動(dong)(dong)(dong)(dong)會使鏈(lian)條拉力(li)過(guo)(guo)大時,可以(yi)在設(she)備中間設(she)置(zhi)(zhi)(zhi)(zhi)輔助(zhu)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi),用(yong)液力(li)偶合器(qi)連接兩(liang)(liang)個(ge)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)。當負(fu)載超過(guo)(guo)主驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)的(de)容(rong)量(liang)時,輔助(zhu)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)啟動(dong)(dong)(dong)(dong)。當負(fu)載在主驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)的(de)容(rong)量(liang)范圍內時,輔助(zhu)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)自動(dong)(dong)(dong)(dong)停止。輸(shu)送(song)(song)機廠家(jia)提醒大家(jia)由于(yu)電機特性的(de)差(cha)異,不可能(neng)保證兩(liang)(liang)個(ge)電機的(de)速(su)(su)度(du)完(wan)全相同(tong),不得設(she)計(ji)為兩(liang)(liang)個(ge)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)長期同(tong)時工作,避免(mian)兩(liang)(liang)個(ge)驅(qu)動(dong)(dong)(dong)(dong)裝(zhuang)(zhuang)(zhuang)置(zhi)(zhi)(zhi)(zhi)的(de)輸(shu)出速(su)(su)度(du)產生額外的(de)拉力(li)、牽引力(li)。
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2、張(zhang)緊裝置(zhi)
鏈(lian)條(tiao)(tiao)輸(shu)(shu)送(song)(song)設備(bei)以(yi)鏈(lian)條(tiao)(tiao)為載(zai)體,由于(yu)鏈(lian)條(tiao)(tiao)允(yun)許長(chang)(chang)度(du)(du)誤差(cha)大,鏈(lian)條(tiao)(tiao)的節距(ju)也會因使(shi)(shi)用(yong)過(guo)程中鏈(lian)條(tiao)(tiao)磨損而延(yan)長(chang)(chang)。因此(ci),輸(shu)(shu)送(song)(song)機廠(chang)家(jia)提醒(xing)大家(jia)鏈(lian)條(tiao)(tiao)輸(shu)(shu)送(song)(song)設備(bei)必須設計(ji)張(zhang)(zhang)緊(jin)裝置(zhi)。張(zhang)(zhang)緊(jin)裝置(zhi)的張(zhang)(zhang)緊(jin)行程與工作鏈(lian)的節距(ju)和(he)輸(shu)(shu)送(song)(song)線的長(chang)(chang)度(du)(du)有關。輸(shu)(shu)送(song)(song)機廠(chang)家(jia)對于(yu)張(zhang)(zhang)緊(jin)度(du)(du)的設計(ji)原則是滿(man)足(zu)鏈(lian)條(tiao)(tiao)長(chang)(chang)度(du)(du)的允(yun)許差(cha),并允(yun)許鏈(lian)條(tiao)(tiao)摩(mo)擦延(yan)長(chang)(chang)兩個鏈(lian)條(tiao)(tiao)的長(chang)(chang)度(du)(du),以(yi)確保(bao)兩個鏈(lian)條(tiao)(tiao)在鏈(lian)條(tiao)(tiao)磨損增長(chang)(chang)后被拆除,輸(shu)(shu)送(song)(song)功能(neng)正常(chang)工作,以(yi)延(yan)長(chang)(chang)其使(shi)(shi)用(yong)壽命。由于(yu)鏈(lian)條(tiao)(tiao)輸(shu)(shu)送(song)(song)設備(bei)的鏈(lian)條(tiao)(tiao)張(zhang)(zhang)力(li)通常(chang)較(jiao)大,在使(shi)(shi)用(yong)螺旋張(zhang)(zhang)力(li)結構(gou)(gou)時,必須注意使(shi)(shi)張(zhang)(zhang)力(li)螺釘承(cheng)受(shou)壓力(li)應(ying)(ying)力(li),而不承(cheng)受(shou)張(zhang)(zhang)力(li)應(ying)(ying)力(li),以(yi)滿(man)足(zu)其強度(du)(du)和(he)剛度(du)(du)的要求,特別是當張(zhang)(zhang)力(li)機構(gou)(gou)的軸支(zhi)撐座為鑄(zhu)鐵時。
3、輸送(song)線的(de)主要部分
框(kuang)架(jia)通常由(you)型(xing)鋼焊接(jie)而成,鏈(lian)條輸(shu)送(song)設(she)備(bei)以(yi)鏈(lian)條為(wei)(wei)主(zhu)要(yao)工(gong)(gong)作(zuo)部件,鏈(lian)條為(wei)(wei)承(cheng)載主(zhu)體,鏈(lian)條為(wei)(wei)柔(rou)性結構(gou)部件,必(bi)須采(cai)用支(zhi)撐軌(gui)道(dao)支(zhi)撐,使鏈(lian)條作(zuo)為(wei)(wei)剛性結構(gou)結構(gou)下(xia)垂(chui)時(shi),為(wei)(wei)了降低松動(dong)張(zhang)力,提高使用壽命,輸(shu)送(song)機廠(chang)家一(yi)般會降低驅動(dong)裝(zhuang)置(zhi)(zhi)的(de)(de)動(dong)力容量,避(bi)免(mian)運(yun)行(xing)過程(cheng)中干擾,必(bi)須設(she)計支(zhi)撐軌(gui)道(dao);支(zhi)撐軌(gui)道(dao)通常選擇具有一(yi)定強度的(de)(de)耐磨(mo)材料。輸(shu)送(song)機廠(chang)家為(wei)(wei)了滿足不(bu)同(tong)的(de)(de)生產節(jie)拍(pai),將輸(shu)送(song)設(she)備(bei)的(de)(de)運(yun)行(xing)模式(shi)(shi)(shi)定為(wei)(wei)可以(yi)設(she)計為(wei)(wei)同(tong)步式(shi)(shi)(shi)和(he)非同(tong)步式(shi)(shi)(shi)。所謂同(tong)步式(shi)(shi)(shi),是(shi)指輸(shu)送(song)設(she)備(bei)在一(yi)定速度范圍(wei)內以(yi)一(yi)定速度按固定節(jie)拍(pai)運(yun)行(xing);非同(tong)步式(shi)(shi)(shi)是(shi)指輸(shu)送(song)設(she)備(bei)上的(de)(de)工(gong)(gong)件可以(yi)根據工(gong)(gong)位要(yao)求在輸(shu)送(song)線上停止(zhi)和(he)復位。當(dang)輸(shu)送(song)方式(shi)(shi)(shi)不(bu)同(tong)步時(shi),截止(zhi)裝(zhuang)置(zhi)(zhi)和(he)截止(zhi)后(hou)放行(xing)裝(zhuang)置(zhi)(zhi)的(de)(de)結構(gou)形式(shi)(shi)(shi)多樣(yang),可以(yi)是(shi)純機械的(de)(de),也可以(yi)是(shi)氣體或(huo)液體與電器的(de)(de)聯動(dong)。輸(shu)送(song)機廠(chang)家提醒大家無論采(cai)用何種結構(gou)形式(shi)(shi)(shi),設(she)計都(dou)應合(he)理可靠,能(neng)夠滿足產品裝(zhuang)配工(gong)(gong)藝的(de)(de)要(yao)求。
4、選(xuan)擇鏈條規格
輸(shu)送機廠家(jia)提醒大家(jia)鏈(lian)條規(gui)格的選擇(ze),對(dui)于(yu)精密滾子(zi)鏈(lian),國家(jia)標準(zhun)規(gui)定了功率曲線,設計(ji)時可參考(kao)機械設計(ji)手冊,根(gen)(gen)據(ju)運行(xing)速(su)度和鏈(lian)條傳(chuan)輸(shu)功率根(gen)(gen)據(ju)功率曲線選擇(ze)鏈(lian)條規(gui)格。
5、電器控制
輸(shu)(shu)(shu)(shu)送(song)機(ji)(ji)廠家(jia)提(ti)醒大家(jia)在電氣控(kong)(kong)(kong)制(zhi)(zhi)(zhi)方面,工作簡單的同(tong)(tong)步(bu)(bu)輸(shu)(shu)(shu)(shu)送(song)機(ji)(ji)通常采(cai)用(yong)傳(chuan)統的電氣控(kong)(kong)(kong)制(zhi)(zhi)(zhi),主要包括速(su)度調(diao)整(zheng)、驅動保護(hu)(hu)、過載保護(hu)(hu)和限位保護(hu)(hu)。非同(tong)(tong)步(bu)(bu)式(shi)(shi)輸(shu)(shu)(shu)(shu)送(song)機(ji)(ji)一般(ban)由非同(tong)(tong)步(bu)(bu)式(shi)(shi)輸(shu)(shu)(shu)(shu)送(song)機(ji)(ji)組(zu)(zu)成PLC進行過程控(kong)(kong)(kong)制(zhi)(zhi)(zhi),當包含系統組(zu)(zu)、地(di)址、傳(chuan)輸(shu)(shu)(shu)(shu)、保護(hu)(hu)、監控(kong)(kong)(kong)等功(gong)能時,選擇計(ji)算機(ji)(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)。當車間(jian)內(nei)有多個輸(shu)(shu)(shu)(shu)送(song)設備形(xing)成自動生產線時,其(qi)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)比非同(tong)(tong)步(bu)(bu)輸(shu)(shu)(shu)(shu)送(song)設備更復雜,除輸(shu)(shu)(shu)(shu)送(song)工件(jian)外(wai),還(huan)具(ju)有各種管理功(gong)能,通常采(cai)用(yong)計(ji)算機(ji)(ji)程序控(kong)(kong)(kong)制(zhi)(zhi)(zhi)。
簡而言之,輸送機廠家提醒大家鏈式輸送機的控制系統取決于輸送機的具體工作條件。