Multi-cavity heating furnace

The utility model relates to the field of mold heating. The utility model discloses a multi-cavity heating furnace. The furnace comprises a furnace body and a furnace cover, a supporting disc used for supporting a mold is arranged in the furnace body. The supporting disc is arranged on the plane and rotates around the axis of the plane. Partition plates are arranged at the upper end of the supporting disc in the circumferential direction at intervals. The partition plates extend in the vertical direction and the radial direction of the supporting disc, a heating cavity is formed between every two adjacent partition plates, the size of the furnace cover is not larger than that of an opening of each heating cavity, a rotating shaft is arranged in the center of the supporting disc, and a first motor used for driving the rotating shaft to rotate is arranged on the furnace body. According to the utility model, different heating cavities are aligned with the furnace cover by rotating the supporting disc, so that th