Smelting device for producing high-purity oxygen-free copper bar

The utility model relates to the technical field of copper material processing, and discloses a high-purity oxygen-free copper bar production smelting device which comprises a smelting furnace, an air blower is fixedly connected to the middle of the left side of the smelting furnace, an air inlet pipe is arranged at the input end of the air blower, and a third connecting pipe is arranged at the output end of the air blower. A drying box is fixedly connected to the lower portion of the third connecting pipe, an air outlet pipe is arranged at the output end of the drying box, a through hole is formed in the output end of the air outlet pipe, a first connecting pipe is arranged at the top of the smelting furnace, and an argon tank is arranged at one end of the first connecting pipe. According to the utility model, copper blocks or waste copper are ensured to be dry during processing, argon is adopted as purging gas, the protection effect of the argon is better than that of other inert gas, the quality of a cast