自动封口机上的塑料袋冲缺口装置冯永清一、为消费者方便的设计思路目前，市场上的不抽真空的塑料袋的封口，一般是在自动封口机上实现。由于这种封口的塑料包装袋（尤其对于复合塑料袋）常常由于塑料薄膜强度较高，不易撕裂启封取物，往往需要剪开，给使用者带来不便。针... Automatic sealing machine plastic bags on the red notch device Feng Yongqing First, the design ideas for consumers convenient At present, the market does not vacuum plastic bags sealed, usually in the automatic sealing machine to achieve. Since such sealed plastic bags (especially for composite plastic bags) are often difficult to tear due to the high strength of the plastic film, they often need to be cut apart, causing inconvenience to users. needle...