Cutting device for packaging bag production

The cutting device for packaging bag production comprises a working plate, two first supporting plates are fixedly installed on the top of the working plate, and a first top plate is fixedly installed on the tops of the first supporting plates. The working plate, the first supporting plate, the first top plate, the sliding block, the air cylinder, the mounting plate, the supporting rod, the cutting knife, the cutting groove, the second supporting plate, the second top plate, the movable plate, the limiting groove, the limiting block, the reset spring, the barrel, the connecting plate, the electric telescopic rod, the bottom plate, the buffer column, the pressing block, the compression spring and the sliding groove are matched. According to the packaging bag cutting device, the purpose of fixing a packaging bag during cutting is achieved, the situation that the packaging bag is damaged during cutting due to the fact that the packaging bag deviates during cutting is prevented, and meanwhile the problems that an