隨著電(dian)子技術(shu)、計算機(ji)(ji)應用(yong)、決(jue)策與控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)理論與機(ji)(ji)電(dian)一(yi)體化技術(shu)的(de)發(fa)展,制(zhi)(zhi)(zhi)(zhi)袋(dai)機(ji)(ji)總體控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)與定長定位(wei)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)、張力與速度(du)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)、溫度(du)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)、糾偏控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)等各(ge)(ge)子控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)的(de)技術(shu)發(fa)展概況,目(mu)前以ARM為代表的(de)嵌入式芯片和各(ge)(ge)種(zhong)嵌入式操作系(xi)統(tong)在制(zhi)(zhi)(zhi)(zhi)袋(dai)機(ji)(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)中已得到廣泛應用(yong)。各(ge)(ge)方面研(yan)究表明:圖像處理技術(shu)和智能化控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)技術(shu)的(de)應用(yong),將成(cheng)為制(zhi)(zhi)(zhi)(zhi)袋(dai)機(ji)(ji)控(kong)(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)技術(shu)發(fa)展的(de)主要趨勢。
在線連卷制袋機制(zhi)袋(dai)(dai)過程(cheng)是(shi)軟包裝(zhuang)印刷(shua)生產(chan)線(xian)上的(de)(de)后(hou)一(yi)道工序,包括定位、定長、燙封、牽引和封切等(deng)環節,其工藝(yi)水平直接影響產(chan)品質量。近年國內交(jiao)流伺(si)服(fu)電機(ji)等(deng)硬件(jian)技(ji)術逐步(bu)成(cheng)熟,高(gao)運算能力的(de)(de)控制(zhi)芯(xin)片(pian)與(yu)電機(ji)控制(zhi)技(ji)術相結合,具有(you)高(gao)效、節能和可移(yi)植性好(hao)等(deng)特(te)點,這(zhe)樣使(shi)得交(jiao)流伺(si)服(fu)系統(tong)應用(yong)于制(zhi)袋(dai)(dai)機(ji)控制(zhi)系統(tong)成(cheng)為一(yi)個發(fa)展趨勢。本文(wen)介紹(shao)了一(yi)種基于伺(si)服(fu)控制(zhi)系統(tong)的(de)(de)高(gao)速(su)制(zhi)袋(dai)(dai)機(ji)方(fang)案(an),并(bing)對其構成(cheng)原理和控制(zhi)策(ce)略簡單介紹(shao)。
對(dui)關鍵結構進行運動學分析,并采(cai)用電子凸(tu)輪曲線(xian)的(de)(de)方法對(dui)電機進行調速控制(zhi)。結果提出了中封制(zhi)袋機的(de)(de)牽引、熱封和剪(jian)裁的(de)(de)控制(zhi)策略(lve),通(tong)過改(gai)變牽引電機的(de)(de)速度(du),實現了在(zai)同一設備(bei)上對(dui)不(bu)同長度(du)包裝袋燙壓的(de)(de)功能,完成了速度(du)控制(zhi)系統的(de)(de)硬(ying)件設計和軟件編程,
對(dui)在線連卷(juan)制(zhi)袋(dai)機(ji)并(bing)進(jin)行(xing)了燙(tang)(tang)壓(ya)(ya)實(shi)驗(yan),樣機(ji)在0.5 s及更長的(de)燙(tang)(tang)壓(ya)(ya)時間下運行(xing)穩定,熱封速度(du)快達到120袋(dai)/min,與市面(mian)上現(xian)有制(zhi)袋(dai)機(ji)的(de)制(zhi)袋(dai)速度(du)基本持(chi)平。結(jie)論圓壓(ya)(ya)圓中封制(zhi)袋(dai)機(ji)實(shi)現(xian)了在燙(tang)(tang)壓(ya)(ya)過(guo)程中薄(bo)膜的(de)連續進(jin)給,驗(yan)證了機(ji)構的(de)合理(li)性。
對塑料軟包(bao)裝袋(dai)制(zhi)(zhi)(zhi)(zhi)袋(dai)機需不斷(duan)提(ti)高制(zhi)(zhi)(zhi)(zhi)袋(dai)效率、節能(neng)(neng)減(jian)排的(de)要(yao)求,提(ti)出采用(yong)三列制(zhi)(zhi)(zhi)(zhi)袋(dai)模式提(ti)高制(zhi)(zhi)(zhi)(zhi)袋(dai)效率和降低產品能(neng)(neng)耗的(de)技術方案,通(tong)過(guo)機構和電(dian)氣控制(zhi)(zhi)(zhi)(zhi)優化設計,研制(zhi)(zhi)(zhi)(zhi)出三列中封全自動(dong)制(zhi)(zhi)(zhi)(zhi)袋(dai)機,其制(zhi)(zhi)(zhi)(zhi)袋(dai)能(neng)(neng)力達36000袋(dai)/h,成品率超(chao)過(guo)99.6%,與雙列中封制(zhi)(zhi)(zhi)(zhi)袋(dai)機相比(bi),制(zhi)(zhi)(zhi)(zhi)袋(dai)速率提(ti)高50%,單位產品能(neng)(neng)耗降低33%。