QDDK pneumatic tensioning punch machine is a kind oftension,punch machine. The machine has the advantages of reliable function,reasonable structure,simple operation，high efficiency,labor saving，strong sealing ability，good sealing performance，convenientmaintenance and the like.This machine is suitable for the production of beef and mutton roll, ham sausage filling and so on.This machine is a packaging film pre installed be stepped up to the cylinder，the cylinder casing to tighten by stretching, sealing and cutting to punch. The product full degree could be adjusted through the pressure adjusting device, the cylinder punch.