現(xiàn)在，制袋、封口、日期打印、堵截袋膜等功用前期已完善，客戶已在德國漢諾威參與過包裝展，有關(guān)文章也已有介紹，這篇文章關(guān)鍵介紹關(guān)于電子秤落料填充與包裝之間的協(xié)作疑問。
以前間歇式填充包裝為根據(jù)物料信號發(fā)起包裝動作，即來一個物料信號就進(jìn)行相應(yīng)的一次運膜、縱封、橫封等動作，邏輯簡略。而現(xiàn)在為連續(xù)式選用這種方法顯然是不可的。根據(jù)熱封的電子凸輪周期0～360設(shè)定促發(fā)敞翻開料閥即可。比方，在開機(jī)前假定設(shè)定50度，放料。實習(xí)出現(xiàn)夾料。調(diào)整促發(fā)角度到150，直到適合間斷。因為落料時間滿足短，一個周期按120袋來算也有500ms。
情況二是通?？蛻舨患踊囟返那闆r許多，在包裝食物級顆粒物時，避免基地環(huán)節(jié)污染，通常不加基地斗。也便是從打翻開料到落到袋內(nèi)，落料時間長，大約有1～4s時間不等。
假定落料秤從翻開電磁閥到落到袋里大約有2s的時間。實習(xí)切袋速度為每分30袋到120袋，以每分60袋來算控制，控制進(jìn)程如圖4所示，左邊為下料信道，在設(shè)定速度為60袋時需先翻開電磁閥，等即將落到底部時發(fā)起拉模及封切。
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