Gantry type combined cutting tool

The invention discloses a gantry type combined cutting tool. The gantry type combined cutting tool comprises a supporting frame, a control system and a dust collecting system, wherein a control system is fixedly arranged at one side of the supporting frame, and the dust collecting system is arranged at the other side of the supporting frame; two one-side longitudinal cutter systems which are oppositely mounted are arranged at two upper sides of the supporting frame; each one-side longitudinal cutter system comprises a combined cutter rest, a width cutter, a stepped groove cutter, a width stepped cutter, a first guide rail, a first slide block, a first driving reduction motor, a first conveyor belt and a first driven belt wheel assembly; the width cutter, the stepped groove cutter and the width stepped cutter are fixedly connected below the combined cutter rests; the combined cutter rests are connected to the supporting frame through the first guide rails. According to the gantry type combined cutting tool, th