寬幅冷彎型(xing)(xing)(xing)鋼成型(xing)(xing)(xing)機組按照(zhao)生產(chan)工(gong)藝(yi)的(de)要求(qiu),應設(she)置有成型(xing)(xing)(xing)及(ji)成型(xing)(xing)(xing)所必(bi)需的(de)輔助設(she)施。一(yi)條好的(de)成型(xing)(xing)(xing)機組,一(yi)定(ding)是能生產(chan)出高(gao)質(zhi)量(liang)的(de)產(chan)品,而所需能耗低,操(cao)作方便(bian),運行(xing)安全。成型(xing)(xing)(xing)機組的(de)主要參數源于極(ji)端情況下(xia)的(de)工(gong)藝(yi)條件。


  冷(leng)彎型(xing)(xing)(xing)(xing)(xing)(xing)鋼(gang)(gang)的(de)(de)品種(zhong)(zhong)(zhong)規格多達數千種(zhong)(zhong)(zhong),用于加工生產(chan)冷(leng)彎型(xing)(xing)(xing)(xing)(xing)(xing)鋼(gang)(gang)的(de)(de)冷(leng)彎成(cheng)型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu)也(ye)多種(zhong)(zhong)(zhong)多樣,各不相同。有(you)(you)構造簡單、價格低廉的(de)(de)成(cheng)型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu),即小型(xing)(xing)(xing)(xing)(xing)(xing)連(lian)續成(cheng)型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu);也(ye)有(you)(you)技術先(xian)進、結構復雜(za)(za)、檢測控制現(xian)代(dai)化的(de)(de)造價昂貴(gui)的(de)(de)成(cheng)型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu),即中、大型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu)。選用何種(zhong)(zhong)(zhong)類型(xing)(xing)(xing)(xing)(xing)(xing)機組(zu)(zu),這(zhe)要依據產(chan)品的(de)(de)厚(hou)度(du)、寬度(du)、材質和型(xing)(xing)(xing)(xing)(xing)(xing)鋼(gang)(gang)斷面形狀(zhuang)的(de)(de)復雜(za)(za)程度(du)(型(xing)(xing)(xing)(xing)(xing)(xing)材形狀(zhuang)復雜(za)(za)程度(du)是由彎曲的(de)(de)個數和彎曲量的(de)(de)大小決定的(de)(de))來確(que)定。


  冷彎型(xing)鋼的冷彎成型(xing)機組(zu)示(shi)意圖,如(ru)圖5-1所示(shi)。


圖 1.jpg


1. 連續冷(leng)彎成型(xing)機組的組成


  在連續冷彎成(cheng)(cheng)型(xing)(xing)(xing)機(ji)組中,帶(dai)(dai)鋼需要(yao)連續不(bu)斷(duan)(duan)的(de)(de)送(song)進,以保(bao)(bao)證(zheng)成(cheng)(cheng)型(xing)(xing)(xing)輥(gun)及成(cheng)(cheng)型(xing)(xing)(xing)機(ji)組連續不(bu)斷(duan)(duan)成(cheng)(cheng)型(xing)(xing)(xing),這(zhe)也是保(bao)(bao)證(zheng)成(cheng)(cheng)型(xing)(xing)(xing)過程的(de)(de)穩定及成(cheng)(cheng)型(xing)(xing)(xing)質(zhi)量的(de)(de)需要(yao)。為了(le)保(bao)(bao)證(zheng)帶(dai)(dai)鋼連續送(song)進,必須在成(cheng)(cheng)型(xing)(xing)(xing)段前(qian)設置(zhi)有(you)上卷、開(kai)卷、對中、矯(jiao)直、帶(dai)(dai)鋼頭尾剪切(qie)等裝置(zhi)和設施;成(cheng)(cheng)型(xing)(xing)(xing)段主要(yao)有(you)成(cheng)(cheng)型(xing)(xing)(xing)機(ji)和對冷彎成(cheng)(cheng)型(xing)(xing)(xing)后的(de)(de)型(xing)(xing)(xing)材(cai)進行精整(矯(jiao)直、矯(jiao)平)的(de)(de)裝置(zhi);成(cheng)(cheng)型(xing)(xing)(xing)段后有(you)剪機(ji)、輥(gun)道平臺等,主要(yao)是將已經成(cheng)(cheng)型(xing)(xing)(xing)的(de)(de)型(xing)(xing)(xing)材(cai)進行定尺剪切(qie),并完成(cheng)(cheng)型(xing)(xing)(xing)材(cai)的(de)(de)定尺、垛放和包裝等工序。


2. 小(xiao)型連續冷彎(wan)成型機(ji)組


 小型連續(xu)冷彎(wan)成(cheng)型機(ji)組適用(yong)于厚度(du)較薄、幅面較窄(zhai)的帶鋼(gang)成(cheng)型,一般采用(yong)吊車上(shang)卷、手工開卷、手工對中(zhong)和喂料等(deng),就不(bu)需要設置上(shang)卷小車、開卷機(ji)、對中(zhong)立輥(gun)和矯直機(ji)等(deng)。


 薄板(ban)(ban)窄帶(dai)冷彎成(cheng)型(xing)的(de)變形力(li)較小,因而(er)大(da)多(duo)采用結構(gou)簡單、造價低廉的(de)板(ban)(ban)式(shi)結構(gou)機架、鏈(lian)條鏈(lian)輪傳動方式(shi)。為了加強(qiang)兩側墻板(ban)(ban)式(shi)機架的(de)剛性,在兩板(ban)(ban)式(shi)成(cheng)型(xing)機架之間上部用拉(la)桿(gan)連接。


3. 中、大型(xing)連續(xu)冷彎成型(xing)機組


  中、大型(xing)連續冷彎(wan)成型(xing)機組(zu),適用于(yu)寬幅、較(jiao)厚的帶鋼成型(xing),由于(yu)帶鋼幅寬、板厚,手工操作就不大可能了(le)。成型(xing)段(duan)前,應包括有(you)上(shang)卷小車(che)、開卷機(配有(you)液壓驅動的脹縮卷筒)、對(dui)中立輥、帶鋼矯直機、液壓或機械(xie)帶鋼橫切剪切機等(deng)。成型(xing)段(duan)包括有(you)成型(xing)機和矯平裝(zhuang)置等(deng)。成型(xing)段(duan)后面包括有(you)定尺、剪切裝(zhuang)置和輥道平臺等(deng)。


對(dui)成型機組的(de)一般要求:


 ①. 設計合理,生產的(de)產品(pin)能滿(man)足標準(zhun)要求(qiu);


 ②. 成型(xing)輥的安裝、更換和調整(zheng)要方便快捷、時(shi)間短(duan);


 ③. 結構(gou)緊湊(cou),剛(gang)性好,精度(du)高;


 ④. 自(zi)動化(hua)程度高;


 ⑤. 成型速度在(zai)一定(ding)范圍(wei)內可調;


 ⑥. 性能可靠,使(shi)用壽命(ming)長,主要(yao)元器件(電(dian)器、液壓)可靠且(qie)要(yao)有動作互鎖(suo)功(gong)能,以防止誤(wu)操作。