Saw blade gas cooling device of multi-blade saw grooving machine

The utility model discloses a multi-blade saw grooving machine saw blade gas cooling device which comprises an installation box, the installation box is of a hollow cubic structure with the top face open, the side wall of an inner cavity of the installation box is fixedly connected with an external gas source, the external gas source is communicated with an air cooling mechanism capable of conducting circulating cooling on a saw blade, and the air cooling mechanism is arranged towards the saw blade. A lifting assembly is arranged below the saw blade, a cooling box is arranged at the top end of the lifting assembly and used for containing cooling liquid, the top face of the cooling box is matched with the saw blade, the lifting assembly is electrically connected with a controller, the controller is electrically connected with a variable frequency motor in transmission connection with the saw blade, and a temperature sensor used for detecting the temperature of the saw blade is fixedly connected to the side wal