Bag-in-box is a new type of packaging, which is convenient for transportation, storage, and saves transportation costs. The bag is made of aluminized PET, ldpe, and nylon composite materials. Aseptic sterilization, the bag is used in conjunction with the faucet and the carton, the capacity has now developed to 1L to 220L, the valve is mainly a butterfly valve, the inner bag of the bag in the box is made of composite film, using different materials to meet different liquid packaging It is equipped with a filling port and can zip lock packaging bag be customized in size (bag-in-box from 1L to 1000L can be produced according to customer requirements, and different film structures with different valves can meet the needs of various end markets).

The bag-in-box is an environmentally friendly product, because it has the environmental protection function that plastic products do not have, and its natural degradation time is much lower than that of plastic bags. Bag-in-box packaging is widely used in fruit juice, wine, fruit juice drinks, mineral water, edible oil, food additives, industrial pharmaceuticals, medical reagents, liquid fertilizers, pesticides, etc. The application of bag-in-box in the food field is expanding, but because of the direct contact with liquid food, this is also one of the key quality control points for liquid food manufacturers.

1. Preparation: install the horizontal heat sealing knife, the bottom heat sealing knife, the reinforced heat sealing knife, and install the punching device. 2. Thread the film, set the EPC, and align the bag edge and pattern. 3. Adjust the bottom heat sealing knife, input the length and size, the position and direction of the knife should be aligned, and the upper knife is the reference to adjust the knife to check whether the round hole is round. Set the photoelectric sensor. 4. Install the bottom film and adjust it to the middle fold. Adjust the bottom film and punch holes. 5. Adjust the horizontal heat sealing to align the position of the heat sealing knife with the printing position. 6. Adjust the strong heat sealing block and make up the pressure at the intersection of the four layers. 7. Adjust the cutter and edge cutting device. 8. Confirm and adjust the punching position of the bottom surface and the heat sealing position of the bottom surface. Confirm and adjust the position of the transverse heat sealing knife and strengthening heat sealing block. Check the heat seal strength and adjust the heat seal temperature.