噸(dun)包(bao)(bao)(bao)由輸(shu)送(song)機(ji)運行(xing)至拆包(bao)(bao)(bao)機(ji)內部(bu)，抓鉤(gou)下降刺入(ru)噸(dun)包(bao)(bao)(bao)上(shang)(shang)部(bu)，并有鏈條(tiao)傳動(dong)(dong)帶動(dong)(dong)與輸(shu)送(song)機(ji)同步前(qian)進(jin)。旋(xuan)轉切(qie)(qie)刀(dao)，切(qie)(qie)刀(dao)分(fen)左右兩套，布置形式(shi)分(fen)前(qian)后，切(qie)(qie)刀(dao)位(wei)于(yu)噸(dun)包(bao)(bao)(bao)底(di)部(bu)，在噸(dun)包(bao)(bao)(bao)向前(qian)行(xing)進(jin)的軌跡路程(cheng)中，切(qie)(qie)刀(dao)固(gu)定(ding)于(yu)自由擺動(dong)(dong)的擺桿(gan)上(shang)(shang)，靠噸(dun)包(bao)(bao)(bao)的前(qian)進(jin)動(dong)(dong)力(li)推(tui)動(dong)(dong)切(qie)(qie)刀(dao)擺動(dong)(dong)，將噸(dun)包(bao)(bao)(bao)的底(di)圈切(qie)(qie)去四分之三部(bu)分。前進過程中物料(liao)掉(diao)落(luo)進溜槽，由收集(ji)螺旋將物料(liao)快速(su)排出至后(hou)端設備。鏈條傳(chuan)動(dong)帶動(dong)物料(liao)直(zhi)至廢(fei)袋出口上方，抓鉤松開廢(fei)袋，廢(fei)袋落(luo)下。后(hou)端可配套(tao)廢(fei)袋打(da)包機實現自動(dong)收集(ji)打(da)包。
