Semi-automatic drilling machine for mine greening

The semi-automatic drilling machine comprises a base, a first telescopic air cylinder is fixedly installed on the upper end face of the base, a top plate is fixedly installed at the upper end of the first telescopic air cylinder through a piston column, a sliding groove is formed in the upper end face of the top plate, and two fixing plates are symmetrically and fixedly installed on the upper endface of the top plate; a threaded rod is rotationally connected between the two fixing plates, the left end of the threaded rod penetrates through the side walls of the fixing plates and is provided with a servo motor, a mounting plate is fixedly mounted on the lower end face of the servo motor, the mounting plate is fixedly mounted on the side wall of the top plate, and the threaded rod is sleeved with a threaded block in a threaded mode. A sliding sleeve is fixedly installed at the lower end of the threaded block and connected into the sliding groove in a sliding mode, and a moving plate isfixedly installed on the s