二 高速、小瓶PET灌裝線
在PD編輯采訪時,這條線正在進行16盎司Mountain Dew的生產。由Amcor提ti供gong的de預yu先xian貼tie好hao標biao簽qian的de包bao裝zhuang瓶ping被bei送song到dao托tuo盤pan上shang的de自zi動dong卸xie垛duo機ji,每mei層ceng之zhi間jian有you紙zhi板ban隔ge層ceng。自zi動dong卸xie垛duo機ji每mei次ci將jiang托tuo盤pan上shang升sheng一yi層ceng,用yong帶dai吸xi盤pan的de掃sao架jia擺bai過guo,自zi動dong除chu下xia隔ge層ceng板ban,堆dui入ru一yi個ge箱xiang櫃gui返fan還hai給gei包bao裝zhuang瓶ping供gong應ying商shang。自zi動dong卸xie垛duo機ji再zai將jiang瓶ping子zi升sheng上shang來lai,掃sao架jia將jiang瓶ping子zi掃sao到dao批pi量liang傳chuan送song器qi上shang。Sentry Equipment公司為這家廠提供了自動卸垛機和全部傳送器,還幫助PBV完成包裝線布置和控製。
在線的瓶子成批傳送到兩個Lanfranchi高gao速su自zi動dong堆dui垛duo機ji上shang,在zai那na裏li,轉zhuan動dong架jia將jiang瓶ping子zi豎shu起qi向xiang上shang。為wei了le跟gen上shang生sheng產chan線xian的de速su度du,工gong廠chang需xu要yao兩liang台tai自zi動dong堆dui垛duo機ji。自zi動dong堆dui垛duo機ji料liao鬥dou裏li的de水shui平ping傳chuan感gan器qi控kong製zhi傳chuan送song升sheng降jiang機ji開kai關guan以yi維wei持chi料liao鬥dou裏li的de瓶ping子zi數shu量liang。自zi動dong堆dui垛duo機ji改gai進jin了le材cai料liao搬ban運yun,減jian少shao了le人ren力li勞lao動dong。
來(lai)自(zi)兩(liang)台(tai)自(zi)動(dong)堆(dui)垛(duo)機(ji)的(de)包(bao)裝(zhuang)瓶(ping)彙(hui)聚(ju)成(cheng)一(yi)列(lie),再(zai)彈(dan)入(ru)夾(jia)持(chi)瓶(ping)頸(jing)的(de)氣(qi)流(liu)傳(chuan)送(song)係(xi)統(tong)。傳(chuan)送(song)係(xi)統(tong)中(zhong)的(de)包(bao)裝(zhuang)瓶(ping)由(you)瓶(ping)頸(jing)表(biao)層(ceng)下(xia)的(de)杆(gan)支(zhi)撐(cheng)。傳(chuan)送(song)腔(qiang)中(zhong)的(de)氣(qi)流(liu)推(tui)動(dong)包(bao)裝(zhuang)瓶(ping)前(qian)進(jin)。卸(xie)垛(duo)工(gong)作(zuo)區(qu)包(bao)括(kuo)三(san)台(tai)卸(xie)垛(duo)機(ji),設(she)立(li)這(zhe)一(yi)工(gong)作(zuo)區(qu)是(shi)為(wei)了(le)允(yun)許(xu)兩(liang)名(ming)操(cao)作(zuo)者(zhe)向(xiang)三(san)台(tai)生(sheng)產(chan)線(xian)喂(wei)送(song)容(rong)器(qi)。空(kong)瓶(ping)通(tong)過(guo)氣(qi)流(liu)運(yun)輸(shu)帶(dai),直(zhi)接(jie)運(yun)往(wang)潔(jie)淨(jing)的(de)封(feng)閉(bi)間(jian)和(he)單(dan)塊(kuai)衝(chong)洗(xi)機(ji)/灌裝機/fenggaijidexingxingchuansonglun。shiyongdankuaishejideyoushizaiyucongchongxijidaoguanzhuangjihuoshiguanzhuangjidaofenggaijizhijianzhixuyaoyigexingxingchuansonglun,zhedadajianqinglebaozhuangpingzhuanyundewenti。
瓶子通過入口送到108zuochongxijidejiatoushang,zaizhuangzhixuanzhuanshidiandaofangzhi。jinghuaguodeshuitongguojiatoushangsuofudepenzuisherupingzhong,suizhezhuangzhijixuxuanzhuanzailiuchulai,qingxirongyehanchouyangyidadaozuijiaqingjiexiaoguo。jiezhebaozhuangpingzaixiangshangliqilaitongguoyigechuansonglunsongchu。
灌裝所用的等壓測容灌裝機共有144個灌裝閥。衝洗機與灌裝機由SIDEL供gong貨huo。每mei一yi個ge灌guan裝zhuang閥fa都dou通tong過guo一yi根gen產chan品pin管guan連lian到dao中zhong央yang液ye箱xiang,還hai通tong過guo兩liang根gen氣qi管guan接jie到dao二er氧yang化hua碳tan供gong應ying器qi,一yi根gen是shi用yong於yu包bao裝zhuang瓶ping增zeng壓ya,另ling一yi根gen是shi用yong於yu穩wen定ding液ye箱xiang與yu灌guan裝zhuang閥fa之zhi間jian的de壓ya力li。當dang對dui非fei碳tan酸suan飲yin料liao進jin行xing加jia工gong時shi,係xi統tong使shi用yong氮dan氣qi而er不bu是shi二er氧yang化hua碳tan。灌guan裝zhuang缸gang內nei的de水shui平ping麵mian基ji本ben上shang與yu中zhong央yang液ye箱xiang內nei的de相xiang同tong,通tong過guo改gai變bian中zhong央yang液ye箱xiang內nei的de水shui平ping麵mian就jiu能neng改gai變bian針zhen對dui不bu同tong尺chi寸cun瓶ping子zi的de灌guan裝zhuang量liang。每mei個ge液ye缸gang內nei有you一yi個ge活huo塞sai通tong過guo外wai部bu磁ci性xing聯lian接jie器qi來lai設she定ding確que切qie的de灌guan裝zhuang容rong量liang,精jing度du達da到dao±2毫升。這一過程是從操作麵板上進行控製的。

在清潔的封閉空間裏經過衝洗、灌裝和封蓋,包裝瓶通過水平檢查儀,然後通過噴墨和激光打印機。
碳酸軟飲料的最終產品在用高速灌裝機灌裝前要冷卻到35至50華氏度以保證產品內的二氧化碳量。為了將整個係統內的氨減到最低,節約空間並提升冷卻效率,PBV的每台灌裝機都配備了不鏽鋼板框熱交換器,將產品從86華(hua)氏(shi)度(du)冷(leng)卻(que)到(dao)產(chan)品(pin)最(zui)終(zhong)所(suo)要(yao)求(qiu)的(de)灌(guan)裝(zhuang)溫(wen)度(du)。這(zhe)一(yi)係(xi)統(tong)代(dai)表(biao)了(le)最(zui)新(xin)的(de)二(er)氧(yang)化(hua)碳(tan)飲(yin)料(liao)技(ji)術(shu)。冷(leng)卻(que)後(hou),向(xiang)產(chan)品(pin)注(zhu)入(ru)二(er)氧(yang)化(hua)碳(tan),再(zai)將(jiang)產(chan)品(pin)灌(guan)入(ru)瓶(ping)內(nei)。
每變換一種口味,管路、xiangtiheguanzhuangjineidouxuyaoqingxiyuxiaodu。meitaiguanzhuangjidouyoudandudezidongzaixianqingxixitong,guanlizhebixudehuaxueqingxipinheqingxixunhuan,jiangqingjiezhenggexitongbinghuifuyunxingsuoxudequanbushijianjiangdaozuidi。
瓶子從灌裝機通過另一個傳送輪運往Arol CSD螺紋封蓋機。瓶蓋由Alcoa供貨,由SIDEL公(gong)司(si)包(bao)裝(zhuang)係(xi)統(tong)部(bu)提(ti)供(gong)的(de)分(fen)揀(jian)係(xi)統(tong)對(dui)瓶(ping)蓋(gai)進(jin)行(xing)分(fen)類(lei),送(song)往(wang)封(feng)蓋(gai)機(ji)。瓶(ping)蓋(gai)被(bei)裝(zhuang)入(ru)位(wei)於(yu)密(mi)封(feng)間(jian)外(wai)的(de)料(liao)鬥(dou),料(liao)鬥(dou)裏(li)有(you)一(yi)個(ge)幾(ji)乎(hu)垂(chui)直(zhi)的(de)傳(chuan)送(song)帶(dai)將(jiang)瓶(ping)蓋(gai)送(song)到(dao)密(mi)封(feng)間(jian)的(de)頂(ding)上(shang)。瓶(ping)蓋(gai)被(bei)夾(jia)在(zai)傳(chuan)送(song)帶(dai)上(shang)的(de)水(shui)平(ping)夾(jia)板(ban)裏(li),如(ru)果(guo)定(ding)位(wei)方(fang)向(xiang)不(bu)對(dui)就(jiu)會(hui)落(luo)回(hui)料(liao)鬥(dou)中(zhong)。傳(chuan)送(song)帶(dai)將(jiang)瓶(ping)蓋(gai)卸(xie)到(dao)一(yi)條(tiao)軌(gui)道(dao)上(shang),軌(gui)道(dao)將(jiang)瓶(ping)蓋(gai)向(xiang)下(xia)送(song)至(zhi)封(feng)蓋(gai)機(ji)。星(xing)形(xing)傳(chuan)送(song)輪(lun)將(jiang)瓶(ping)蓋(gai)從(cong)軌(gui)道(dao)上(shang)拾(shi)起(qi)並(bing)放(fang)到(dao)封(feng)蓋(gai)頭(tou)上(shang),封(feng)蓋(gai)頭(tou)在(zai)放(fang)瓶(ping)子(zi)的(de)轉(zhuan)架(jia)上(shang)方(fang)同(tong)步(bu)旋(xuan)轉(zhuan)。當(dang)裝(zhuang)置(zhi)旋(xuan)轉(zhuan)時(shi),封(feng)蓋(gai)頭(tou)降(jiang)下(xia)來(lai),按(an)預(yu)先(xian)設(she)定(ding)的(de)扭(niu)力(li)將(jiang)瓶(ping)蓋(gai)擰(ning)到(dao)包(bao)裝(zhuang)瓶(ping)上(shang)。Arol向SIDEL提供了包括封蓋頭和驅動輪轂在內的上封蓋轉架,SIDEL負責裝配整個單元。
已封蓋的瓶子離開封閉間,通過Industrial Dynamics Filtec X射線灌裝高度檢查儀,再通過兩台Videojet Excel噴碼機,在瓶蓋的防開啟環上打印質量保證期。工廠安裝了兩台噴碼機,其中一台出故障時可以替換,還有備份。為了更加保險,Domino激光打印機在瓶身上打印生產代碼和質量保證期。編號後,瓶子轉到多鏈塑料帶傳送器上,速度從350英尺/分鍾降到40英尺/分鍾,從單列行進再次堆積成批。
碳酸軟飲料是在35到50華氏度進行冷灌裝的,如果灌裝封蓋後不重新將瓶身加熱,瓶身會出汗損壞包裝。因此飲料瓶被送到一個由G.C. Evans供貨的線內加熱器,上方的噴嘴淋出熱水,將瓶身加熱至環境溫度。加熱器包括一個10英尺寬的塑料帶,將瓶子在熱水噴淋下成批地運入倉內。加熱器根據倉庫內的濕球溫度計自動調整水溫,從而減少能耗實現過程優化。(待續)
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