Circuit board drilling machine convenient to adjust

The utility model discloses a circuit board drilling machine convenient to adjust, and relates to the technical field of circuit board drilling. The device comprises a base, the upper surface of the base is fixedly connected with a fixing column, the side wall of the fixing column is provided with a sliding groove, a threaded rod is rotationally connected between the upper inner wall and the lower inner wall of the fixing column, the upper inner wall of the fixing column is fixedly provided with a driving motor, and the output end of the driving motor is fixedly connected with a rotating rod through a coupler. A limiting rod is fixedly connected between the upper inner wall and the lower inner wall of the fixing column, the outer surface of the threaded rod is in threaded connection with a mounting plate, and the mounting plate penetrates through the limiting rod and is in sliding connection with the limiting rod; one end of the mounting plate extends out of the chute. The drilling device solves the problems