Paperboard cutting device for carton production

The utility model relates to the technical field of paperboard processing, and discloses a paperboard cutting device for carton production, which comprises a carton body, a connecting block is slidably mounted in a fixed block, a cutter is fixedly mounted at the bottom of the connecting block, a D-shaped movable block is fixedly mounted at the top of the connecting block, and a D-shaped groove is formed in the right side of the D-shaped movable block. A motor is fixedly installed on the right side of an inner cavity of the box body, a rotating shaft is fixedly installed at the output end of the motor through a speed reducer, a connecting piece is fixedly installed on the outer surface of the rotating shaft, and a movable rod is fixedly installed on the left side of the connecting piece. And then a motor is started to be matched with a connecting piece, a movable rod and a D-shaped groove through a rotating shaft to drive a D-shaped movable block to move up and down in a reciprocating mode, the D-shaped movabl