Plate sawing machine

The utility model discloses a plate sawing machine which comprises a cutting device, a bearing mechanism and a material moving mechanism, and plates are moved to the cutting device through the material moving mechanism. The cutting device comprises a sawing machine provided with a lifting mechanism, a rotating base and a clamping device used for fixing a plate, the sawing machine is arranged below the rotating base through the lifting mechanism, and the rotating base is provided with a sawing opening; the clamping device comprises a fixing frame located above the rotating base, a downward pressing mechanism used for downward pressing and fixing a plate and a side jacking mechanism used for laterally jacking the plate, and the plate is pressed to a plate positioning face of the fixing frame through the side jacking mechanism. The bearing mechanism is provided with a driving sliding rail, the material moving mechanism comprises a driving base and a clamping jaw used for clamping plates, and the clamping jaw is