Cutting device for civil air defense door machining

The utility model discloses a cutting device for civil air defense door machining, and belongs to the field of civil air defense. Comprising a support frame; a disk saw; a lifting plate; a first driving member; a second driving member; a feeding device; the feeding device comprises a first driving lead screw; a first drive nut; the first mounting plate is fixedly mounted on the lower surface of the first driving nut; the first guide rod is slidably mounted on the first mounting plate; the connecting frame is fixedly connected with the first guide rod and is directly or indirectly connected with the disk saw; the first buffer spring is mounted between the first mounting plate and the connecting frame; the first guide sliding block is fixedly mounted on the upper surface of the connecting frame; the first guide sliding rail is in sliding connection with the first guide sliding block and is directly or indirectly in sliding connection with the lifting plate; and the output end of the first feed driving motor is