Heated-air circulation degreasing furnace

The utility model discloses a heated-air circulation degreasing furnace, which comprises a furnace body, wherein a furnace chamber and a heating chamber made up of heat-resisting steel sheets welded together are respectively arranged on the inner side of the furnace body, the furnace chamber is arranged at the upper part of the furnace body, and the heating chamber is arranged at the lower part of the furnace body; heat-insulating fire-proof layers made of cellucotton are respectively arranged between the furnace body and the furnace chamber as well as the furnace body and the heating chamber, a thermocouple is fixed at the top end of the furnace body and extends into the furnace chamber after penetrating heat-insulating layers, mesh plates distributed in square are fixedly arranged on two side surfaces of the furnace chamber, material brackets are fixedly mounted on the inner wall of mesh plates, and material discs used for placing materials are placed on material brackets; a resistance wire heating pipe is arranged in the heating chamber, a circulating wind box is arranged on the right side of the furnace chamber, an axial flow circulating fan is arranged in the circulating wind box, the axial flow circulating fan is driven by a variable frequency motor, a hotwind inlet of the circulating wind box is communicated with the heating chamber, and the hot wind enters into the furnace chamber through mesh plates on the right side of the furnace chamber; and an air inlet and an air outlet are formed on the furnace body, the outside atmosphere is communicated with the heating chamber through the air inlet, and exhaust gas is discharged out through the air outlet. In the utility model, the hot wind is spread in the whole furnace chamber from the bottom of the furnace chamber under the driving of the axial flow circulating fan, so that, the temperature uniformity of the furnace chamber is guaranteed, the produced product quality is good, and the efficiency is improved.