Doctor blade convenient to assemble

The utility model relates to the technical field of doctor blades, and discloses a doctor blade convenient to assemble, which comprises a doctor blade main body, a knife rest is arranged on the outer side of the doctor blade main body, an assembling component is arranged in the knife rest, and the assembling component comprises a mounting groove, a shaft hole and an empty groove which are arranged in the knife rest. The mounting groove and the shaft hole are integrally formed, the mounting groove communicates with the empty groove, a rotating shaft is rotationally connected into the shaft hole, a handle is fixedly connected to the top of the rotating shaft, a gear is in key connection with the outer wall of the rotating shaft, the gear is meshed with the rack, and a first guide strip and a second guide strip are fixedly connected into the empty groove; according to the doctor blade convenient to assemble, through the arrangement of the assembling assembly, an operator can assemble the doctor blade more conven