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廣東威智沖床床教你建設沖壓自動化生產線

發(fa)布于:2012年10月26日 來源:springcrossstitch.cn
[摘要]廣東威智沖床教你建設沖壓自動化生產線

  機械化自動化已成(cheng)為沖(chong)壓生產的發(fa)展方向。沖壓機械化自(zi)(zi)動化概括起來(lai)有(you)三種基本(ben)途(tu)徑:第一,使用帶料生產(chan)的自(zi)(zi)動壓(ya)力機,目(mu)前廣泛用(yong)于小(xiao)型(xing)(xing)零(ling)件(jian)的(de)沖(chong)(chong)壓(ya)(ya)(ya)生(sheng)產;第二,多工(gong)位壓(ya)(ya)(ya)力(li)機(ji)(ji),由于其進(jin)料距(ju)離較小(xiao)(一般小(xiao)于500mm ),適用(yong)于中小(xiao)型(xing)(xing)零(ling)件(jian),特別(bie)是圓形(xing)和方形(xing)零(ling)件(jian)的(de)沖(chong)(chong)壓(ya)(ya)(ya)生(sheng)產;第三,沖(chong)(chong)壓(ya)(ya)(ya)自(zi)動線(xian)(xian),它是在原(yuan)手工(gong)操作的(de)沖(chong)(chong)壓(ya)(ya)(ya)流水線(xian)(xian)的(de)基礎上(shang),經半機(ji)(ji)械化(hua)、機(ji)(ji)械化(hua)生(sheng)產線(xian)(xian)等階(jie)段逐(zhu)步發展完(wan)善起來的(de)。自(zi)動線(xian)(xian)的(de)適用(yong)性較廣,可以解(jie)決(jue)大(da)中型(xing)(xing)零(ling)件(jian)的(de)沖(chong)(chong)壓(ya)(ya)(ya)自(zi)動化(hua)問題(ti)。
沖壓自動(dong)線有如下優(you)點:提高(gao)了(le)勞動(dong)生產(chan)率(lv);減少(shao)了(le)操作人(ren)數(shu);降(jiang)低(di)了(le)對工(gong)人(ren)熟練程度的(de)要求(qiu);減輕了(le)工(gong)人(ren)的(de)勞動(dong)強(qiang)度,改善了(le)勞動(dong)條件,保證了(le)安(an)全生產(chan);壓力機布置比較緊湊,同(tong)時由(you)于是連續加工,半成(cheng)品的存放面積可取消或大大減少,節約(yue)了(le)生(sheng)產(chan)面積,縮短了(le)生(sheng)產(chan)周期,降低了(le)生(sheng)產(chan)成(cheng)本(ben)。
1.沖壓自(zi)動線的分類
l按被加工零(ling)件分(fen)類,如口杯制坯自動(dong)線(xian)、定轉子沖片自動(dong)線(xian)、燈(deng)殼沖壓自動(dong)線(xian)、磁鐵心片沖剪自動(dong)線(xian)、輪(lun)輻沖壓自動(dong)線(xian)和(he)大梁沖壓自動(dong)線(xian)等。
2)按加工及(ji)傳送毛坯的相互聯(lian)系特性,自動(dong)線可分為直流型自動(dong)線和轉子型自動(dong)線。
直流型自動(dong)線是由壓力機及工(gong)(gong)(gong)序(xu)間傳(chuan)(chuan)送裝置按順(shun)序(xu)作直線排(pai)列。其特(te)點是:在(zai)不同的(de)(de)時(shi)(shi)間內完成毛(mao)坯(pi)的(de)(de)加(jia)工(gong)(gong)(gong)和傳(chuan)(chuan)送工(gong)(gong)(gong)作,即在(zai)加(jia)工(gong)(gong)(gong)時(shi)(shi),毛(mao)坯(pi)不動(dong);在(zai)傳(chuan)(chuan)送毛(mao)坯(pi)時(shi)(shi),停止加(jia)工(gong)(gong)(gong)。因此(ci),生產率受到(dao)一(yi)定(ding)的(de)(de)限(xian)制(zhi)。現在(zai)大多數自動(dong)線均(jun)屬于(yu)此(ci)類。
直(zhi)流型自動線(xian)上壓力機(ji)的(de)布(bu)排(pai)可分為并列式或貫通式,前者雖靈活性較大,但(dan)占(zhan)地面積大,工(gong)件傳(chuan)送(song)路(lu)徑長,應用較少(shao)。后者為最常見的(de)形式,壓力機(ji)與工(gong)序間(jian)傳(chuan)送(song)裝置布(bu)置緊湊,工(gong)件傳(chuan)送(song)路(lu)徑短(duan),是最適用于大型薄板零件的(de)沖壓自動線(xian)。
轉(zhuan)子(zi)(zi)(zi)型自(zi)(zi)動(dong)線是(shi)(shi)(shi)(shi)由工(gong)(gong)(gong)作轉(zhuan)子(zi)(zi)(zi)及傳送(song)轉(zhuan)子(zi)(zi)(zi)作參差(cha)排列(lie)。其特點(dian)是(shi)(shi)(shi)(shi):加工(gong)(gong)(gong)是(shi)(shi)(shi)(shi)在(zai)工(gong)(gong)(gong)模具(ju)(ju)及被(bei)加工(gong)(gong)(gong)毛(mao)同時(shi)連續移動(dong)的(de)(de)(de)過程中進(jin)行的(de)(de)(de),即毛(mao)坯的(de)(de)(de)加工(gong)(gong)(gong)和傳送(song)是(shi)(shi)(shi)(shi)復合進(jin)行的(de)(de)(de)。生產率僅取(qu)決于轉(zhuan)子(zi)(zi)(zi)的(de)(de)(de)圓周速度及工(gong)(gong)(gong)件(工(gong)(gong)(gong)模具(ju)(ju))在(zai)轉(zhuan)子(zi)(zi)(zi)上(shang)的(de)(de)(de)節距,而與工(gong)(gong)(gong)序的(de)(de)(de)延(yan)續時(shi)間無關(guan),獲得較高的(de)(de)(de)生產率。另外(wai),能將(jiang)磨損的(de)(de)(de)工(gong)(gong)(gong)模具(ju)(ju)在(zai)空(kong)轉(zhuan)時(shi)加以更換,不需(xu)整個自(zi)(zi)動(dong)線停車。再者,每(mei)次工(gong)(gong)(gong)序后,半成品在(zai)傳送(song)轉(zhuan)子(zi)(zi)(zi)內的(de)(de)(de)運動(dong)期間,還能進(jin)行質量(liang)檢(jian)查和觀察并對毛(mao)坯的(de)(de)(de)空(kong)間位置作調(diao)整。其缺(que)點(dian)是(shi)(shi)(shi)(shi)專(zhuan)用(yong)性強,在(zai)設計、制造及調(diao)整上(shang)比直流(liu)型自(zi)(zi)動(dong)線費(fei)時(shi)間。
3)按(an)工序(xu)間聯(lian)系(xi)的特性,可分為(wei)剛性聯(lian)系(xi)自(zi)動(dong)(dong)線(xian)和柔性聯(lian)系(xi)自(zi)動(dong)(dong)線(xian)。
①剛性聯系自動線(xian)。設備之間的(de)傳送裝置剛性聯系,與多(duo)工位(wei)壓力(li)機的(de)抓取機構(gou)相似,且(qie)工序間無半成品儲(chu)備,各(ge)臺設備要求嚴格的(de)同(tong)步(bu)。其(qi)主要缺點是當(dang)某部位(wei)發生(sheng)(sheng)故障時,需要使整個自(zi)動線(xian)停車。這類自(zi)動線(xian)多(duo)用于大、中型零件的(de)生(sheng)(sheng)產。
②柔性聯系自動線。設(she)備(bei)(bei)(bei)(bei)之(zhi)間(jian)除具有(you)傳(chuan)送裝置(zhi)外(wai),還(huan)設(she)有(you)儲(chu)料器或料斗(dou),它們(men)儲(chu)存一(yi)部(bu)分半成品(pin).設(she)備(bei)(bei)(bei)(bei)之(zhi)間(jian)不需(xu)要(yao)(yao)絕(jue)對的協(xie)調。由(you)于工(gong)序(xu)間(jian)有(you)半成品(pin)儲(chu)備(bei)(bei)(bei)(bei),當(dang)個別(bie)設(she)備(bei)(bei)(bei)(bei)出現故障時,允許該設(she)備(bei)(bei)(bei)(bei)作短時的停(ting)車,而不需(xu)要(yao)(yao)全線停(ting)車。工(gong)序(xu)間(jian)半成品(pin)的儲(chu)備(bei)(bei)(bei)(bei)量決(jue)定(ding)于各工(gong)序(xu)設(she)備(bei)(bei)(bei)(bei)生產(chan)率的不均勻(yun)程度(du)及設(she)備(bei)(bei)(bei)(bei)工(gong)作穩定(ding)性。其缺點是自動線的生產(chan)率必須根據生產(chan)率最低的設(she)備(bei)(bei)(bei)(bei)來確定(ding),因而其余的設(she)備(bei)(bei)(bei)(bei)利用率有(you)所降低。這類自動線一(yi)般用于小型零件的生產(chan)。
2,沖(chong)壓自(zi)動線組(zu)成(cheng)
沖(chong)壓(ya)自(zi)動線(xian)主要(yao)由(you)主機(ji)(ji)和附設機(ji)(ji)構組(zu)成。主機(ji)(ji)是指完成沖(chong)壓(ya)工(gong)序加工(gong)的(de)各類壓(ya)力(li)機(ji)(ji)和必要(yao)的(de)其他(ta)加工(gong)機床。在自動線(xian)設計時(shi),應根據沖(chong)(chong)壓(ya)(ya)(ya)件的(de)工(gong)藝特(te)點,合理選用(yong)(yong)壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji)的(de)結構形式、噸位和行程(cheng)次數,優先(xian)采(cai)(cai)用(yong)(yong)標準(zhun)設備,技術(shu)經濟(ji)性(xing)好。但在單(dan)(dan)(dan)一(yi)產(chan)品的(de)大量生產(chan)中,有時(shi)為(wei)(wei)了(le)使(shi)主機(ji)(ji)(ji)(ji)針對性(xing)強,自動線(xian)組織得更緊湊,并能獲得更高(gao)的(de)生產(chan)率。根據被加(jia)工(gong)零件的(de)特(te)點和工(gong)序特(te)殊要求,改裝(zhuang)通用(yong)(yong)設備或設計專(zhuan)用(yong)(yong)設備還是有必要的(de)。對于大型薄板零件的(de)沖(chong)(chong)壓(ya)(ya)(ya)自動線(xian),通常(chang)第(di)一(yi)臺(tai)為(wei)(wei)雙(shuang)動壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji),其余(yu)為(wei)(wei)單(dan)(dan)(dan)動壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji)。若零件拉深深度不大(或不需要拉深工(gong)序),則可全(quan)部采(cai)(cai)用(yong)(yong)單(dan)(dan)(dan)動壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji),但不宜在同一(yi)條自動線(xian)上既采(cai)(cai)用(yong)(yong)液壓(ya)(ya)(ya)機(ji)(ji)(ji)(ji)又采(cai)(cai)用(yong)(yong)機(ji)(ji)(ji)(ji)械壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji)。自動線(xian)的(de)壓(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)(ji)(ji)數量一(yi)般為(wei)(wei)4-8臺(tai),全(quan)線(xian)長度為(wei)(wei)30 -50mo
附設機(ji)(ji)構(gou)是完成自(zi)(zi)動(dong)線各種輔助工作(zuo)所需的(de)(de)機(ji)(ji)械裝(zhuang)置和檢測(ce)裝(zhuang)置。自(zi)(zi)動(dong)線中(zhong)的(de)(de)附設機(ji)(ji)構(gou)是很(hen)重要的(de)(de),其質量和工作(zuo)的(de)(de)可靠性都(dou)對(dui)自(zi)(zi)動(dong)線的(de)(de)工作(zuo)有(you)直接影響,因(yin)此(ci),在自(zi)(zi)動(dong)線設計(ji)中(zhong),對(dui)附設機(ji)(ji)構(gou)的(de)(de)設計(ji)和選(xuan)用(yong)應(ying)予以足夠的(de)(de)重視。
3.沖壓自動線的傳送機構
在生(sheng)產(chan)線中,傳(chuan)送(song)機(ji)(ji)構將零件從一臺(tai)機(ji)(ji)床輸(shu)送(song)到(dao)下一臺(tai)機(ji)(ji)床,最后將加(jia)工(gong)完畢的(de)零件
運到(dao)庫存地點。沖壓生產線中常用的傳(chuan)送機構(gou)包括下列(lie)幾種:
(1)利用重力和(he)慣性(xing)力的(de)(de)輸送(song)(song)器這類輸送(song)(song)器是(shi)利用零件(jian)本身(shen)的(de)(de)重力或加工(gong)完(wan)畢后作用在零件(jian)上(shang)的(de)(de)慣性(xing)力來實(shi)現生產線(xian)壓(ya)力機(ji)間零件(jian)的(de)(de)傳(chuan)送(song)(song)。它們的(de)(de)結構有傾斜(xie)的(de)(de)流料槽、帶導軌的(de)(de)滑槽、平(ping)放或斜(xie)放的(de)(de)滾道(dao)等(deng)。
(2)帶式和鏈式輸(shu)送(song)機(ji)(ji)(ji)(ji)這類輸(shu)送(song)機(ji)(ji)(ji)(ji)用(yong)(yong)機(ji)(ji)(ji)(ji)械傳動,可連續地(di)傳送(song)零(ling)(ling)件(jian),加(jia)工時零(ling)(ling)件(jian)須從輸(shu)送(song)機(ji)(ji)(ji)(ji)上取下,因此,需要附加(jia)裝料、卸料機(ji)(ji)(ji)(ji)構。帶式輸(shu)送(song)機(ji)(ji)(ji)(ji)常用(yong)(yong)于汽車、拖(tuo)拉機(ji)(ji)(ji)(ji)工業中大(da)、中型零(ling)(ling)件(jian)的沖(chong)壓生產線(xian),可用(yong)(yong)作壓力(li)機(ji)(ji)(ji)(ji)之間(jian)零(ling)(ling)件(jian)的傳送(song),或是(shi)將沖(chong)壓廢料運往壓塊壓床(液壓打包機(ji)(ji)(ji)(ji))。
(3)刮(gua)板(ban)式、斗式和鏈式提升(sheng)機對于(yu)中、小型零件柔性聯系的沖壓生產線,機床之間零件的傳送常由各種提升(sheng)機完成。
1)刮(gua)板式提升機(ji)。利用裝在軟基帶(dai)上(shang)的刮(gua)板做成;一般(ban)由(you)主機(ji)帶(dai)動(dong),可利用滑道使(shi)零件直接滑到軟基帶(dai)上(shang)被刮(gua)板帶(dai)走。這種機(ji)構(gou)制造成本低,適用范圍廣(guang)。
2)斗式提(ti)升(sheng)機(ji)。多用(yong)鐵皮制成的(de)庫斗和膠(jiao)帶或(huo)鏈(lian)條(tiao)組成,零件(jian)由(you)上道工(gong)(gong)序(xu)經過(guo)滑道流人庫斗內,隨膠(jiao)帶或(huo)鏈(lian)條(tiao)一起(qi)提(ti)升(sheng),當庫斗轉過(guo)最高點之后(hou),把所(suo)盛的(de)零件(jian)全部倒(dao)出來,通過(guo)滑道再傳送(song)到下道工(gong)(gong)序(xu)的(de)料斗中。
3)鏈式提升(sheng)機。鏈式提升(sheng)機由導槽(cao)(cao)和(he)裝(zhuang)(zhuang)有撥指的(de)(de)鏈條構(gou)成,毛(mao)坯在下(xia)方料斗中由凸輪攪拌落(luo)人導槽(cao)(cao)中排成隊,被裝(zhuang)(zhuang)在鏈條上(shang)的(de)(de)撥指撥動(dong)(dong),沿著導槽(cao)(cao)提升(sheng),當毛(mao)坯提升(sheng)到頂點后,由重力作用沿滑(hua)道滑(hua)到下(xia)道工(gong)序所要求的(de)(de)位(wei)置。鏈輪可(ke)由單獨的(de)(de)電動(dong)(dong)機驅動(dong)(dong),也可(ke)由主機帶動(dong)(dong)。
(4)機(ji)械(xie)手包括(kuo)各種(zhong)機(ji)械(xie)、電動(dong)、氣動(dong)和液壓(ya)驅動(dong)的(de)機(ji)械(xie)手。由于工作可(ke)靠,動(dong)作靈(ling)活,日益廣泛地(di)用于沖壓(ya)生產線。它不(bu)僅可(ke)以用作上料和出件(jian)機(ji)構(gou),而(er)且常(chang)常(chang)作為壓(ya)力機(ji)之間工件(jian)的(de)傳送機(ji)構(gou)。
(5)梭(suo)動(dong)輸送(song)(song)(song)機(ji)它可由機(ji)械、氣動(dong)或液壓驅動(dong),使裝有送(song)(song)(song)進(jin)爪(zhua)的(de)推板周期地完成往復直線(xian)運(yun)動(dong)(梭(suo)動(dong)),當推板向前移動(dong)時(shi),送(song)(song)(song)進(jin)爪(zhua)2便頂住工(gong)(gong)(gong)件(jian)(jian)1移動(dong)一(yi)(yi)個步距。推板向后退回(hui)到(dao)原來位置時(shi),送(song)(song)(song)進(jin)爪(zhua)(活(huo)動(dong)掣子)繞軸旋轉(zhuan),并且無(wu)阻礙地在(zai)工(gong)(gong)(gong)件(jian)(jian)下面滑過(guo),一(yi)(yi)直到(dao)頂住下一(yi)(yi)個工(gong)(gong)(gong)件(jian)(jian)為(wei)止(zhi)。而已(yi)送(song)(song)(song)進(jin)的(de)工(gong)(gong)(gong)件(jian)(jian)由于固(gu)定爪(zhua)3(止(zhi)回(hui)摯子)的(de)阻擋,不再退回(hui),待下次送(song)(song)(song)進(jin)時(shi),工(gong)(gong)(gong)件(jian)(jian)又(you)往前移動(dong)一(yi)(yi)個步距,以達到(dao)斷續地傳(chuan)送(song)(song)(song)工(gong)(gong)(gong)件(jian)(jian)的(de)目的(de)。
(6)翻(fan)轉器(qi)一(yi)(yi)些工(gong)件如拉(la)深件經(jing)雙動(dong)壓(ya)力(li)(li)(li)機(ji)(ji)拉(la)深后,需(xu)將工(gong)件翻(fan)轉1800,然(ran)后送(song)給壓(ya)力(li)(li)(li)機(ji)(ji)進行修(xiu)邊、翻(fan)邊等工(gong)序。因(yin)此,在拉(la)深壓(ya)力(li)(li)(li)機(ji)(ji)與下一(yi)(yi)臺(tai)壓(ya)力(li)(li)(li)機(ji)(ji)之間需(xu)設置翻(fan)轉工(gong)位(wei),先(xian)用翻(fan)轉器(qi)將工(gong)件翻(fan)身.再由輸(shu)送(song)機(ji)(ji)和上料器(qi)將它送(song)人(ren)下一(yi)(yi)臺(tai)壓(ya)力(li)(li)(li)機(ji)(ji)。
4.沖壓自動(dong)線(xian)實(shi)例
(1)口(kou)(kou)(kou)杯(bei)制坯自動(dong)線搪(tang)瓷口(kou)(kou)(kou)杯(bei)的生產過程,一般要經過制坯(沖壓成形、剪邊(bian)卷(juan)口(kou)(kou)(kou)、杯(bei)環(huan)焊(han)接)和搪(tang)瓷(上釉、噴花、燒結)等(deng)工序(xu)。圖2-73為口(kou)(kou)(kou)杯(bei)制坯自動(dong)線,它由(you)自動(dong)送料、沖壓成形、自動(dong)剪邊(bian)卷(juan)口(kou)(kou)(kou)、杯(bei)環(huan)自動(dong)焊(han)接等(deng)部分(fen)組(zu)成。
(2)汽車縱梁沖(chong)壓自(zi)動(dong)線(xian)圖2-74所示為(wei)汽車縱梁沖(chong)壓自(zi)動(dong)線(xian)。沖(chong)孔(kong)工作由一臺(tai)60MN的液壓機完(wan)成,成形則由一臺(tai)6OMN的壓力(li)機完(wan)成,工件(jian)經兩次清洗,兩次翻(fan)轉,通過送料裝置(zhi)將各機器連(lian)接成一(yi)個整體。

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        ,我廠(chang)技(ji)術(shu)力量(liang)雄厚,生產工藝(yi)先進,機床刀具設計(ji)制造與(yu)研究開發方面(mian)結構(gou)合理(li)公(gong)司擁有(you)完整、科學、質(zhi)(zhi)(zhi)量(liang)管理(li)體系,通過ISO9001國(guo)際質(zhi)(zhi)(zhi)量(liang)體系認 證(zheng)。達到國(guo)際先進水(shui)平.公(gong)司實(shi)力雄厚,重(zhong)信(xin)用、守合同,我們有(you)一(yi)批強(qiang)大的(de)技(ji)術(shu)人(ren)員(yuan)跟蹤服(fu)務,讓您(nin)買的(de)放心用的(de)稱心.為(wei)(wei)滿足(zu)客戶(hu)對(dui)產品(pin)的(de)特殊要求(qiu),愿為(wei)(wei)您(nin)量(liang)身定制個性化產品(pin)。  本公(gong)司堅持以:客戶(hu)至上(shang)、質(zhi)(zhi)(zhi)量(liang)第(di)一(yi)、交貨及時(shi),保(bao)(bao)證(zheng)質(zhi)(zhi)(zhi)量(liang)為(wei)(wei)經營(ying)服(fu)務宗旨(zhi),以多品(pin)種經營(ying)特色和(he)薄利多銷(xiao)的(de)原則(ze),產品(pin)質(zhi)(zhi)(zhi)量(liang)實(shi)行三包(bao);(包(bao)修(xiu),包(bao)換(huan),包(bao)退,),贏(ying)得(de)了(le)廣大客戶(hu)的(de)信(xin)任,為(wei)(wei)了(le)保(bao)(bao)證(zheng)刀片模(mo)具產品(pin)的(de)質(zhi)(zhi)(zhi)量(liang),公(gong)司在材料選擇上(shang)有(you)中碳鋼(gang)(gang)、高碳鋼(gang)(gang)、合金鋼(gang)(gang)、工具鋼(gang)(gang)、高速鋼(gang)(gang)、鎢鋼(gang)(gang)等..供客戶(hu)需求(qiu).熱誠(cheng)歡迎各界朋友蒞臨(lin)指導、參觀和(he)業務洽談(tan)。