The utility model provides an automatic loading and unloading layered curing furnace, which comprises a layered curing furnace, an automatic feeding module located at the front end of the layered curing furnace and an automatic unloading module located at the rear end of the layered curing furnace; SMART HIGH PRECISION VERTICAL DRILLING MACHINE the layered curing furnace includes The frame body is equipped with multi-layer parallel baking chambers, and the heating device and temperature control device are arranged in the baking chamber, and the front end of each layer of baking chamber is provided with an independently controlled feeding furnace door ,Z1 MICRO DRILL the rear end of each layer of baking cavity is provided with an independently controlled discharge furnace door; when feeding, the feeding furnace door is opened, and the automatic feeding module places the material in the baking cavity, and the feeding furnace door Close; when the material is baked in the baking cavity, Control of retained austenite in tooth angle by vacuum carburizing heat treatment open the discharge furnace door, and the automatic unloading module will take the material out of the baking cavity; each layer is fed and discharged according to this action. Adopting the technical scheme of the utility model, the multi-layers are loaded and discharged in turn for baking, which greatly improves the efficiency and reduces the cost; the structure is simple and convenient for implementation.Vacuum brazing of surgical forceps - heat treatment process