Water mist cooling device of multi-saw-blade grooving machine

The utility model discloses a multi-saw-blade grooving machine water mist cooling device which comprises a body, a plurality of saw blades are rotationally arranged in the body, and a mist spraying system and an air injection system are arranged on one side of each saw blade. The air injection system comprises a plurality of connecting frames fixedly connected to the side wall of an inner cavity of the body, and air supply assemblies are installed on the connecting frames. The spraying system comprises a water pool installed at the bottom end of the body, a hydraulic cylinder is arranged on the water pool, the output end of the hydraulic cylinder is fixedly connected with a spraying assembly, the spraying assembly comprises a water supply pipe communicated with the water pool, a plurality of water distribution pipes are arranged on the water supply pipe, spraying heads are installed at the top ends of the water distribution pipes, and the water distribution pipes are arranged on one side of the saw blade. The