Grooving device capable of preventing carton from deviating

The utility model discloses a grooving device for preventing a carton from deviating, which comprises a bottom plate, one side of the bottom plate is fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with an air cylinder, one end of a pneumatic rod of the air cylinder penetrates through the supporting frame and is provided with a grooving die holder through a bolt, and the upper surface of the bottom plate is provided with a plurality of sliding grooves. First push blocks are slidably connected into two of the sliding grooves, second push blocks are slidably connected into the other two sliding grooves, and first racks which are distributed in an up-down staggered mode are fixedly connected to the positions, located below the bottom plate, of one sides of the two first push blocks; and second racks which are distributed in an up-and-down staggered manner are fixedly connected to the positions, located below the bottom plate, of one sides of the two second push blo