Scarifier with rotary drill bit

The utility model discloses a scarifier with a rotary drill bit, which comprises a device chassis, the lower end of the device chassis is connected with a baffle structure, a scarifying roller is arranged in the baffle structure, the baffle structure comprises a supporting flat plate, the front end of the supporting flat plate is integrally provided with a supporting inclined plate, and the supporting inclined plate is provided with a rotary drill bit. A rear fender is integrally arranged at the rear end of the supporting flat plate, the upper end of the supporting flat plate and the upper end of the rear fender are fixedly connected to the lower end of the device bottom frame, a soil loosening motor shell is fixedly installed at the rear end of the rear fender, a rotating seat is fixedly connected to a supporting inclined plate, and an L-shaped supporting plate is rotationally connected to the rotating seat; a drill bit motor is fixedly installed on the L-shaped supporting plate, a drill bit structure is arr