Top blowing copper smelting device

The utility model discloses a top blowing copper smelting device which comprises a furnace body and a plurality of top blowing spray guns, the top blowing spray guns penetrate through the top of the furnace body and are embedded into an inner cavity of the furnace body, a supporting column is fixedly connected to the top of the furnace body, a connecting plate is fixedly connected to the upper end of the supporting column, a plurality of sleeves are arranged on the connecting plate, and the top blowing spray guns penetrate through the sleeves and the connecting plate. A mounting plate is fixedly connected to the top of the connecting plate, a rotating shaft is rotationally connected to the side face of the mounting plate, sliding grooves are formed in the inner walls of the sleeves, and clamping plates in the sleeves are driven by rotating the rotating shaft to clamp and fix all the top-blowing spray guns, so that the phenomenon that bolts need to be screwed one by one in the length adjusting process of the t