Dust-free stone cutting machine

The utility model relates to the technical field of stone cutting equipment, in particular to a dust-free stone cutting machine which comprises a cutting table, four supporting legs are fixedly connected to the bottom end of the cutting table, a cutting assembly is connected to the top end of the cutting table, a fixing assembly is fixedly connected to the top end of the cutting table, and a longitudinally-through cutting groove is formed in the top end of the cutting table. The rear side of the bottom end of the cutting groove is fixedly connected with a dust suction box, the rear end of the dust suction box is provided with a first dust suction machine, the front end of the dust suction box is fixedly connected with a collecting mechanism, the rear side of the top end of the cutting table is rotationally connected with a sealing box through a door shaft, the top end of the sealing box is connected with a second dust suction machine, and the input end of the second dust suction machine communicates with the