Automatic film cutting device for corrugated board

The utility model discloses an automatic film cutting device for a corrugated board, which belongs to the technical field of corrugated board processing and comprises a supporting seat, the corrugated board is arranged at the upper end of the supporting seat, a pressing die seat is arranged on the upper side of the supporting seat, a die cutting board is arranged in the middle of the lower end of the pressing die seat, and the die cutting board is connected with the pressing die seat through a connecting mechanism. According to the corrugated board cutting device, the pressing assembly is arranged, when the pressing die base drives the die cutting plate to move downwards for cutting work, the pressing die base drives the two pressing plates to move downwards, when the lower ends of the two pressing plates make contact with the two sides of the upper end of a corrugated board, the pressing die base continues to move downwards, the pressing plates drive the sliding plates at the upper ends of the sliding rods t