破碎機在砂石生產線中應用較廣,并且不同的碎石機扮(ban)演的角色不同(tong)(tong),適應物料種類不同(tong)(tong),破碎流程不同(tong)(tong),這主要和破碎機(ji)工(gong)作原理不同(tong)(tong)有(you)很大的關系,以下(xia)分別介紹幾款主要破碎機(ji)的工(gong)作原理。
顎式破碎機工作時(shi),電動(dong)(dong)(dong)機驅(qu)動(dong)(dong)(dong)皮帶(dai)和皮帶(dai)輪,通過偏心軸使動(dong)(dong)(dong)顎(e)(e)前(qian)后(hou)上(shang)下(xia)擺(bai)動(dong)(dong)(dong),當動(dong)(dong)(dong)顎(e)(e)推動(dong)(dong)(dong)動(dong)(dong)(dong)顎(e)(e)板向定顎(e)(e)板運動(dong)(dong)(dong)時(shi),物(wu)料被壓(ya)碎或(huo)劈碎。當動(dong)(dong)(dong)顎(e)(e)和動(dong)(dong)(dong)顎(e)(e)板在偏心軸、彈簧的作用下(xia)后(hou)退時(shi),先前(qian)已被壓(ya)碎或(huo)劈碎的物(wu)料從顎(e)(e)板的下(xia)部(bu)排(pai)(pai)料口(kou)排(pai)(pai)出。隨(sui)著電動(dong)(dong)(dong)機連續轉動(dong)(dong)(dong)而破碎機動(dong)(dong)(dong)顎(e)(e)作周期性(xing)地壓(ya)碎和排(pai)(pai)卸物(wu)料,實現批量(liang)生產。
圓錐破碎機種類很多,不過都是采用層壓破碎的原理進行的,以HPT多缸液壓圓錐破碎機為例,其工作時,電機通(tong)(tong)過皮帶輪(lun)和三角(jiao)帶帶動(dong)(dong)(dong)設備傳動(dong)(dong)(dong)軸轉動(dong)(dong)(dong),傳動(dong)(dong)(dong)軸通(tong)(tong)過大小錐齒輪(lun)帶動(dong)(dong)(dong)偏心(xin)套繞主軸轉動(dong)(dong)(dong),偏心(xin)套帶動(dong)(dong)(dong)動(dong)(dong)(dong)錐做旋擺運動(dong)(dong)(dong),使動(dong)(dong)(dong)錐和定錐時而(er)靠(kao)近、時而(er)遠離軋臼壁,物料(liao)在軋臼壁和破(po)碎(sui)壁形成的(de)破(po)碎(sui)腔內不(bu)斷(duan)受到擠壓、沖擊而(er)破(po)碎(sui),破(po)碎(sui)的(de)物料(liao)從下部排(pai)出。
對輥式破碎機是(shi)輥式破碎(sui)設備中(zhong)較常(chang)見的設備,其驅(qu)動(dong)(dong)機構是(shi)由兩個(ge)電動(dong)(dong)機,通過三角皮帶(dai)傳動(dong)(dong)到槽(cao)輪上拖動(dong)(dong)輥輪,按照(zhao)相對方向運動(dong)(dong)旋轉。在破碎(sui)物(wu)(wu)料時,物(wu)(wu)料從(cong)進料口通過輥輪,經碾壓而(er)破碎(sui),破碎(sui)后(hou)的成品從(cong)底架下(xia)面(mian)排(pai)出。
沖擊式破碎機是(shi)制砂生產線(xian)上具有整形功能(neng)(neng)(neng)的主(zhu)要(yao)破(po)碎(sui)機(ji)設備,該(gai)設備工作時,運用(yong)選(xuan)擇性破(po)碎(sui)和解理(li)(li)破(po)碎(sui)原理(li)(li),直(zhi)接(jie)對(dui)物(wu)料施加足夠動能(neng)(neng)(neng),并通過沖(chong)擊將動能(neng)(neng)(neng)轉換(huan)成克服物(wu)料所(suo)需的破(po)碎(sui)能(neng)(neng)(neng)。物(wu)料基(ji)本沿其自然的紋理(li)(li)面(mian)、解理(li)(li)面(mian)斷裂,粒(li)形好(hao)、自身消耗低。該(gai)機(ji)能(neng)(neng)(neng)夠實(shi)現"石(shi)(shi)打(da)石(shi)(shi)"和"石(shi)(shi)打(da)鐵"兩種工作原理(li)(li)的轉換(huan)。
除此之外,還有很多別(bie)的破碎設備(bei)可供選擇,其根據需(xu)要(yao)破碎物料(liao)特性的不同,其工作原理(li)也存在(zai)不同,所(suo)以,紅星在(zai)這(zhe)里(li)提(ti)醒各大破碎機(ji)設備(bei)選購用戶,在(zai)選擇碎石(shi)機(ji)時(shi),要(yao)根據自己的生(sheng)產實際情況等,進行合(he)理(li)選擇。
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