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(guó)漢諾威參與過(guò)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(wèn)。
以前間歇式填充包裝為根據(jù)物料信號(hào)發(fā)起包裝動(dòng)作，即來(lái)一個(gè)物料信號(hào)就進(jìn)行相應(yīng)的一次運(yùn)膜、縱封、橫封等動(dòng)作，邏輯簡(jiǎn)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(kāi)料閥即可。比方，在開(kāi)機(jī)前假定設(shè)定50度，放料。實(shí)習(xí)出現(xiàn)夾料。調(diào)整促發(fā)角度到150，直到適合間斷。因?yàn)槁淞蠒r(shí)間滿足短，一個(gè)周期按120袋來(lái)算也有500ms。
情況二是通常客戶不加基地斗的情況許多，在包裝食物級(jí)顆粒物時(shí)，避免基地環(huán)節(jié)污染，通常不加基地斗。也便是從打翻開(kāi)料到落到袋內(nèi)，落料時(shí)間長(zhǎng)，大約有1～4s時(shí)間不等。
假定落料秤從翻開(kāi)電磁閥到落到袋里大約有2s的時(shí)間。實(shí)習(xí)切袋速度為每分30袋到120袋，以每分60袋來(lái)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(shí)需先翻開(kāi)電磁閥，等即將落到底部時(shí)發(fā)起拉模及封切。
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