High-strength paperboard grooving machine

The utility model discloses a high-strength paperboard grooving machine which comprises a base, two telescopic rods are arranged at the top of the base, a supporting plate is arranged at the tops of the two telescopic rods, a servo motor is arranged at the bottom of the supporting plate, a cuboid rod is fixedly connected to a motor shaft part of the servo motor, and the cuboid rod is fixedly connected to the top of the base. A plurality of first fixing sleeves are arranged on the outer surface of the cuboid rod. According to the paperboard grooving device, the cutting knife and the rolling bearing are installed on the cuboid rod according to the paperboard grooving requirement, the paperboard grooving device can conduct grooving on a paperboard at multiple positions at the same time, the first sliding block is fixed by inserting the fixing inserting block, the positions of the pressing plate and the rolling bearing are adjusted, the power source of the paperboard grooving device is switched on, and the slidin