一、大圓機是做什么的
在(zai)紡織機(ji)械中,大圓機(ji)是比較常見的(de),是工廠經常選擇(ze)的(de)工業紡織設備之一(yi),那么你知道大圓機(ji)是用來(lai)做什(shen)么的(de)嗎?
大圓機是做針織布用的機械設備,就是用來生產平常穿的內衣或運動服、汗衫T恤衫等半成品(pin)布料用的,產品(pin)還需要染色后處理(li)后才可以(yi)做(zuo)衣服(fu)。
二、大圓針織機工作原理是什么
原理:馬(ma)達經皮(pi)(pi)帶(dai)和(he)皮(pi)(pi)帶(dai)輪(lun)(lun)(lun)(lun)(lun)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)小齒輪(lun)(lun)(lun)(lun)(lun),后者驅動(dong)(dong)(dong)(dong)固(gu)(gu)裝(zhuang)有針筒(tong)的(de)(de)大(da)(da)盤(pan)齒輪(lun)(lun)(lun)(lun)(lun)。機架上方與(yu)大(da)(da)盤(pan)齒輪(lun)(lun)(lun)(lun)(lun)固(gu)(gu)結(jie),下方坐落在(zai)(zai)固(gu)(gu)定傘齒輪(lun)(lun)(lun)(lun)(lun)上。當大(da)(da)盤(pan)齒輪(lun)(lun)(lun)(lun)(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)時,帶(dai)動(dong)(dong)(dong)(dong)整個牽(qian)拉卷(juan)取機構與(yu)針筒(tong)同(tong)步回(hui)轉(zhuan)(zhuan)。此時,與(yu)傘齒輪(lun)(lun)(lun)(lun)(lun)8嚙合的(de)(de)傘齒輪(lun)(lun)(lun)(lun)(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong),經變速齒輪(lun)(lun)(lun)(lun)(lun)箱變速后,驅動(dong)(dong)(dong)(dong)橫軸(zhou)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。固(gu)(gu)結(jie)在(zai)(zai)橫軸(zhou)一(yi)側的(de)(de)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)經鏈(lian)(lian)(lian)條(tiao)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun),從(cong)(cong)而(er)使與(yu)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)同(tong)軸(zhou)的(de)(de)牽(qian)拉輥轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)進(jin)行牽(qian)拉。固(gu)(gu)結(jie)在(zai)(zai)橫軸(zhou)另一(yi)側的(de)(de)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)經鏈(lian)(lian)(lian)條(tiao)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun),從(cong)(cong)而(er)使與(yu)鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)同(tong)軸(zhou)的(de)(de)主動(dong)(dong)(dong)(dong)皮(pi)(pi)帶(dai)輪(lun)(lun)(lun)(lun)(lun)轉(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。皮(pi)(pi)帶(dai)輪(lun)(lun)(lun)(lun)(lun)經皮(pi)(pi)帶(dai)傳(chuan)(chuan)(chuan)動(dong)(dong)(dong)(dong)從(cong)(cong)動(dong)(dong)(dong)(dong)皮(pi)(pi)帶(dai)輪(lun)(lun)(lun)(lun)(lun),從(cong)(cong)而(er)驅動(dong)(dong)(dong)(dong)與(yu)皮(pi)(pi)帶(dai)輪(lun)(lun)(lun)(lun)(lun)同(tong)軸(zhou)的(de)(de)卷(juan)取輥進(jin)行卷(juan)布。
1、應(ying)用選針機構使織(zhi)針按預(yu)先安排的(de)程序投入(ru)工作,以編織(zhi)提花針織(zhi)物。
2、應用梳毛(mao)機構把散纖維喂入織(zhi)針(zhen),以(yi)編織(zhi)長毛(mao)絨針(zhen)織(zhi)物。
3、應用(yong)襯經襯緯裝(zhuang)置,以編織襯經襯緯針織物。
針織機的品(pin)種繁多,已超過350種。隨著化學纖維(wei)新品(pin)種和(he)(he)后整理(li)(li)工(gong)藝(yi)的發展,提高了針織物挺刮、免燙和(he)(he)耐磨(mo)等特性。拉絨(rong)(rong)、磨(mo)絨(rong)(rong)、剪毛、軋(ya)花和(he)(he)褶裥等整理(li)(li)技術的應用,使(shi)針織品(pin)的品(pin)種更(geng)為(wei)擴大。
三、大圓機的工作過程
1、成(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)(guo)程(cheng)紗線(xian)(xian)構(gou)成(cheng)(cheng)(cheng)線(xian)(xian)圈(quan)(quan)(quan)(quan),經過(guo)(guo)縱向串套(tao)和(he)橫向連接便成(cheng)(cheng)(cheng)為針(zhen)(zhen)(zhen)織物(wu)。所以成(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)是(shi)針(zhen)(zhen)(zhen)織的基本工藝。成(cheng)(cheng)(cheng)圈(quan)(quan)(quan)(quan)過(guo)(guo)程(cheng)可按順序分解成(cheng)(cheng)(cheng)下列幾(ji)個(ge)階段:退(tui)圈(quan)(quan)(quan)(quan)——把(ba)(ba)剛(gang)形成(cheng)(cheng)(cheng)的線(xian)(xian)圈(quan)(quan)(quan)(quan)(稱舊(jiu)線(xian)(xian)圈(quan)(quan)(quan)(quan))從(cong)針(zhen)(zhen)(zhen)鉤移(yi)至(zhi)針(zhen)(zhen)(zhen)桿;墊(dian)紗——把(ba)(ba)紗線(xian)(xian)喂到織針(zhen)(zhen)(zhen)上;彎(wan)紗——把(ba)(ba)紗線(xian)(xian)彎(wan)曲成(cheng)(cheng)(cheng)線(xian)(xian)圈(quan)(quan)(quan)(quan)的形狀;帶紗——把(ba)(ba)新墊(dian)上的紗線(xian)(xian)或(huo)剛(gang)彎(wan)成(cheng)(cheng)(cheng)的線(xian)(xian)圈(quan)(quan)(quan)(quan)移(yi)至(zhi)針(zhen)(zhen)(zhen)鉤內;閉口——封閉織針(zhen)(zhen)(zhen)針(zhen)(zhen)(zhen)口;套(tao)圈(quan)(quan)(quan)(quan)——把(ba)(ba)舊(jiu)線(xian)(xian)圈(quan)(quan)(quan)(quan)套(tao)到針(zhen)(zhen)(zhen)口閉合的針(zhen)(zhen)(zhen)鉤上。
2、連(lian)圈(quan)——新紗(sha)(sha)線(xian)(xian)或新線(xian)(xian)圈(quan)與舊(jiu)(jiu)線(xian)(xian)圈(quan)在(zai)(zai)針(zhen)(zhen)鉤內外相遇;脫圈(quan)——舊(jiu)(jiu)線(xian)(xian)圈(quan)從(cong)針(zhen)(zhen)鉤上(shang)脫下套(tao)在(zai)(zai)新線(xian)(xian)圈(quan)上(shang);成(cheng)(cheng)圈(quan)——使紗(sha)(sha)線(xian)(xian)形成(cheng)(cheng)一只(zhi)(zhi)封閉的(de)和(he)(he)規(gui)定大(da)小(xiao)的(de)新線(xian)(xian)圈(quan);牽拉(la)——把新線(xian)(xian)圈(quan)拉(la)離成(cheng)(cheng)圈(quan)區域。這只(zhi)(zhi)新線(xian)(xian)圈(quan)在(zai)(zai)下一成(cheng)(cheng)圈(quan)周期中(zhong)即成(cheng)(cheng)為舊(jiu)(jiu)線(xian)(xian)圈(quan)。成(cheng)(cheng)圈(quan)過程有針(zhen)(zhen)織(zhi)(zhi)法(fa)(fa)和(he)(he)編結(jie)法(fa)(fa)兩類。在(zai)(zai)針(zhen)(zhen)織(zhi)(zhi)法(fa)(fa)成(cheng)(cheng)圈(quan)過程中(zhong),成(cheng)(cheng)圈(quan)各階(jie)(jie)段按(an)上(shang)述順序(xu)進行(xing)。在(zai)(zai)編結(jie)法(fa)(fa)成(cheng)(cheng)圈(quan)過程中(zhong),彎紗(sha)(sha)始于(yu)脫圈(quan),并與成(cheng)(cheng)圈(quan)階(jie)(jie)段同時(shi)進行(xing)。在(zai)(zai)有的(de)針(zhen)(zhen)織(zhi)(zhi)機(ji)上(shang)各只(zhi)(zhi)織(zhi)(zhi)針(zhen)(zhen)依次順序(xu)完成(cheng)(cheng)成(cheng)(cheng)圈(quan)過程;也(ye)有一些針(zhen)(zhen)織(zhi)(zhi)機(ji)的(de)成(cheng)(cheng)圈(quan)過程各只(zhi)(zhi)織(zhi)(zhi)針(zhen)(zhen)整(zheng)列地(di)同時(shi)進行(xing)。