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滾筒冷卻落砂機與振動落砂機對比優勢在哪?(滾筒滾筒篩沙機)
滾筒落砂機
一種鑄造零件的落砂設備,滾筒落砂機,其滾筒由前滾筒體、初落砂段、後滾筒體、終zhong落luo砂sha段duan構gou成cheng,由you於yu增zeng設she了le初chu落luo砂sha段duan,可ke使shi與yu鑄zhu件jian一yi起qi喂wei入ru滾gun筒tong的de舊jiu砂sha在zai初chu落luo砂sha段duan先xian分fen離li去qu一yi部bu分fen,所suo以yi可ke增zeng加jia鑄zhu件jian在zai隨sui後hou過guo程cheng中zhong的de碰peng撞zhuang機ji會hui,有you利li於yu舊jiu砂sha從cong鑄zhu件jian表biao麵mian震zhen落luo和he將jiang大da砂sha團tuan潰kui散san,提ti高gao落luo砂sha效xiao果guo。初chu落luo砂sha段duan處chu的de落luo砂sha段duan罩zhao殼ke上shang亦yi設she有you除chu塵chen抽chou風feng口kou,利li於yu提ti高gao舊jiu砂sha除chu塵chen、冷卻效果。
滾筒落砂機工作原理
利用振動和衝擊使鑄型中的型砂和鑄件分離的鑄造設備。落砂機的振動源分為機械、電磁和氣動3類,以機械的慣性落砂機應用較為廣泛。慣性落砂機的結構特點是:落砂柵床裝有帶偏重的旋轉軸,當軸旋轉時偏重產生離心力(激振力),shianzhuangzaizhichengdanhuangshangdeluoshazhachuangzhendong,zhezhongzhendongshiyouziyouzhendongheqiangpozhendongdiejiaqilaideyundong,zaihedaxiaonengshizhenfufashengbianhua。zaiheguoda,zhenfujijujianxiao,luoshaxiaolvjiangdi;載(zai)荷(he)過(guo)小(xiao),振(zhen)動(dong)太(tai)大(da),損(sun)壞(huai)砂(sha)箱(xiang)和(he)設(she)備(bei)。為(wei)此(ci)在(zai)這(zhe)類(lei)落(luo)砂(sha)機(ji)上(shang)麵(mian)要(yao)加(jia)裝(zhuang)固(gu)定(ding)支(zhi)架(jia),構(gou)成(cheng)慣(guan)性(xing)衝(chong)擊(ji)式(shi)落(luo)砂(sha)機(ji)。落(luo)砂(sha)時(shi),鑄(zhu)型(xing)放(fang)在(zai)支(zhi)架(jia)上(shang),鑄(zhu)型(xing)底(di)麵(mian)和(he)落(luo)砂(sha)柵(zha)床(chuang)留(liu)有(you)間(jian)隙(xi),通(tong)過(guo)柵(zha)床(chuang)振(zhen)動(dong)撞(zhuang)擊(ji)鑄(zhu)型(xing)底(di)麵(mian),使(shi)鑄(zhu)件(jian)和(he)型(xing)砂(sha)分(fen)離(li)。由(you)於(yu)鑄(zhu)型(xing)不(bu)是(shi)直(zhi)接(jie)放(fang)在(zai)落(luo)砂(sha)柵(zha)床(chuang)上(shang),鑄(zhu)型(xing)重(zhong)量(liang)的(de)變(bian)化(hua)對(dui)落(luo)砂(sha)機(ji)振(zhen)幅(fu)的(de)影(ying)響(xiang)相(xiang)對(dui)地(di)減(jian)小(xiao)了(le)。對(dui)於(yu)無(wu)箱(xiang)鑄(zhu)型(xing)的(de)中(zhong)小(xiao)型(xing)鑄(zhu)件(jian),還(hai)可(ke)采(cai)用(yong)滾(gun)筒(tong)式(shi)落(luo)砂(sha)機(ji),一(yi)般(ban)都(dou)安(an)裝(zhuang)在(zai)中(zhong)小(xiao)型(xing)鑄(zhu)件(jian)無(wu)箱(xiang)造(zao)型(xing)生(sheng)產(chan)線(xian)上(shang),除(chu)落(luo)砂(sha)外(wai),兼(jian)有(you)熱(re)砂(sha)冷(leng)卻(que)、舊砂篩分、隔聲隔熱和除塵等作用。
振動落砂機與滾筒冷卻落砂機對比
我wo國guo鑄zhu造zao行xing業ye的de鑄zhu造zao車che間jian落luo砂sha設she備bei主zhu要yao采cai用yong震zhen動dong落luo砂sha機ji。這zhe類lei機ji型xing噪zao聲sheng大da,粉fen塵chen擴kuo散san量liang大da,功gong率lv消xiao耗hao多duo,而er且qie從cong熱re砂sha和he灼zhuo熱re的de鑄zhu件jian中zhong散san發fa出chu大da量liang的de熱re氣qi和he煙yan塵chen,嚴yan重zhong地di汙wu染ran了le工gong作zuo環huan境jing.同時回用砂溫度高,必然增加舊砂.冷卻設備。解決振動落砂方法存在的一係列問題,是一個很有必要研究解決的工作。
國外70年代初就研製成功了滾筒落砂機,這種落砂機在落砂時,有振動很小、鑄件表麵清理也比較幹淨、粉(煙)塵(chen)在(zai)滾(gun)筒(tong)內(nei)很(hen)容(rong)易(yi)被(bei)抽(chou)走(zou)等(deng)優(you)點(dian),在(zai)歐(ou)美(mei)等(deng)地(di)區(qu)已(yi)廣(guang)泛(fan)應(ying)用(yong),並(bing)已(yi)形(xing)成(cheng)係(xi)列(lie)產(chan)品(pin)。在(zai)此(ci)基(ji)礎(chu)上(shang)又(you)相(xiang)繼(ji)研(yan)製(zhi)成(cheng)功(gong)了(le)落(luo)砂(sha)冷(leng)卻(que)滾(gun)筒(tong)。這(zhe)種(zhong)設(she)備(bei)既(ji)可(ke)使(shi)鑄(zhu)件(jian)和(he)砂(sha)子(zi)在(zai)滾(gun)動(dong)落(luo)砂(sha)中(zhong)得(de)到(dao)冷(leng)卻(que),而(er)且(qie)鑄(zhu)件(jian)表(biao)麵(mian)幹(gan)淨(jing)。砂(sha)子(zi)也(ye)可(ke)直(zhi)接(jie)進(jin)入(ru)砂(sha)準(zhun)備(bei)工(gong)部(bu)繼(ji)續(xu)使(shi)用(yong)。由(you)於(yu)這(zhe)種(zhong)落(luo)砂(sha)機(ji)有(you)多(duo)種(zhong)功(gong)能(neng),已(yi)廣(guang)泛(fan)得(de)到(dao)應(ying)用(yong)。本(ben)成(cheng)果(guo)開(kai)發(fa)研(yan)製(zhi)的(de)L3126型滾筒冷卻落砂機,是集原砂、破碎、冷卻、除塵於一體的鑄件清砂設備,主要用於鑄造自動化和半自動化生產線的配套設備。工作原理是:落luo砂sha冷leng卻que滾gun筒tong繞rao著zhe水shui平ping軸zhou線xian緩huan慢man旋xuan轉zhuan,當dang澆jiao注zhu的de鑄zhu型xing進jin入ru滾gun筒tong時shi,鑄zhu型xing沿yan著zhe筒tong內nei壁bi全quan長chang配pei置zhi的de壁bi板ban的de幫bang助zhu下xia,使shi鑄zhu型xing到dao達da滾gun筒tong上shang部bu的de某mou個ge部bu位wei時shi拋pao離li筒tong壁bi.按an一yi定ding軌gui跡ji拋pao下xia,與yu筒tong體ti或huo鑄zhu件jian相xiang碰peng撞zhuang,使shi鑄zhu件jian與yu砂sha子zi脫tuo落luo。在zai清qing砂sha過guo程cheng中zhong,破po碎sui後hou的de型xing砂sha以yi流liu體ti狀zhuang態tai攜xie帶dai著zhe鑄zhu件jian前qian進jin。直zhi到dao滾gun筒tong端duan出chu口kou的de分fen離li篩shai(漏砂筒)使砂子和鑄件被分離出來。
落(luo)砂(sha)冷(leng)卻(que)滾(gun)筒(tong)有(you)冷(leng)卻(que)係(xi)統(tong),當(dang)灼(zhuo)熱(re)的(de)鑄(zhu)件(jian)在(zai)砂(sha)子(zi)裏(li)翻(fan)滾(gun)時(shi),由(you)於(yu)砂(sha)子(zi)裏(li)帶(dai)有(you)被(bei)噴(pen)入(ru)的(de)冷(leng)卻(que)水(shui),因(yin)水(shui)分(fen)逐(zhu)漸(jian)蒸(zheng)發(fa),既(ji)冷(leng)卻(que)了(le)鑄(zhu)件(jian),又(you)冷(leng)卻(que)了(le)熱(re)砂(sha)子(zi)。也(ye)由(you)於(yu)砂(sha)子(zi)和(he)鑄(zhu)件(jian)的(de)冷(leng)卻(que)是(shi)在(zai)筒(tong)體(ti)內(nei)部(bu)的(de)狹(xia)小(xiao)範(fan)圍(wei)內(nei)進(jin)行(xing),冷(leng)卻(que)蒸(zheng)發(fa)出(chu)的(de)熱(re)氣(qi),熱(re)砂(sha)散(san)發(fa)出(chu)來(lai)的(de)煙(yan)霧(wu)及(ji)翻(fan)滾(gun)產(chan)生(sheng)的(de)灰(hui)塵(chen)由(you)設(she)置(zhi)在(zai)滾(gun)筒(tong)體(ti)進(jin)口(kou)端(duan)上(shang)方(fang)的(de)抽(chou)氣(qi)管(guan)道(dao)吸(xi)走(zou),同(tong)時(shi)加(jia)速(su)了(le)冷(leng)卻(que)效(xiao)果(guo),保(bao)證(zheng)了(le)滾(gun)筒(tong)周(zhou)圍(wei)的(de)工(gong)作(zuo)環(huan)境(jing)。這(zhe)套(tao)滾(gun)筒(tong)冷(leng)卻(que)落(luo)砂(sha)機(ji)可(ke)以(yi)布(bu)置(zhi)在(zai)流(liu)水(shui)作(zuo)業(ye)的(de)垂(chui)直(zhi)分(fen)型(xing)無(wu)箱(xiang)射(she)壓(ya)造(zao)型(xing)線(xian)、水(shui)平(ping)分(fen)型(xing)脫(tuo)箱(xiang)造(zao)型(xing)線(xian)及(ji)有(you)箱(xiang)造(zao)型(xing)線(xian)上(shang)配(pei)套(tao)使(shi)用(yong),也(ye)可(ke)以(yi)根(gen)據(ju)用(yong)戶(hu)實(shi)際(ji)情(qing)況(kuang)進(jin)行(xing)布(bu)置(zhi)。該(gai)設(she)備(bei)經(jing)上(shang)海(hai)汽(qi)車(che)鑄(zhu)造(zao)總(zong)廠(chang)在(zai)引(yin)進(jin)的(de)垂(chui)直(zhi)分(fen)型(xing)無(wu)箱(xiang)造(zao)型(xing)線(xian)上(shang)配(pei)用(yong)生(sheng)產(chan)桑(sang)塔(ta)納(na)轎(jiao)車(che)灰(hui)鑄(zhu)鐵(tie)件(jian),經(jing)過(guo)近(jin)兩(liang)年(nian)的(de)使(shi)用(yong),證(zheng)明(ming)達(da)到(dao)了(le)設(she)計(ji)要(yao)求(qiu),是(shi)較(jiao)理(li)想(xiang)的(de)落(luo)砂(sha)冷(leng)卻(que)設(she)備(bei)。
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