Sintering furnace for aluminum nitride ceramic substrate production

The utility model discloses a sintering furnace for aluminum nitride ceramic substrate production, and relates to the technical field of aluminum nitride ceramic production. The sintering furnace for aluminum nitride ceramic substrate production comprises an inner sintering furnace, a transmission mechanism and a forced cooling mechanism, the transmission mechanism is arranged outside the inner sintering furnace and comprises a gear motor, a threaded rod, an inner threaded block and a supporting plate, the gear motor is fixedly installed on the rear side of the inner sintering furnace, and the outer wall of the threaded rod is in threaded connection with the inner threaded block; a supporting plate is fixedly mounted at the top of the internal thread block through a movable block, and the sintered aluminum nitride ceramic substrate is sent out of the device under the driving of a gear motor; the forced cooling mechanism is arranged on one side of the sintering outer furnace and used for blowing air to the alu