Secondary feeding device

The utility model relates to a secondary feeding device which comprises a feeding chamber, a horizontal moving mechanism is arranged on one side of the feeding chamber, a feeding support and a driving mechanism used for driving the feeding support to rotate and ascend and descend are arranged on the horizontal moving mechanism, a plurality of feeding cylinders are hung on the feeding support, and the horizontal moving mechanism is used for driving the feeding support to be close to or away from the feeding chamber. The charging chamber is located at the upper end of the smelting chamber, a discharging opening communicated with the smelting chamber is formed in the bottom of the charging chamber, a flap valve used for opening or closing the discharging opening is arranged at the position, located at the discharging opening, in the charging chamber, and a hoisting mechanism and a cylinder moving mechanism are arranged in the charging chamber; according to the automatic feeding device, the feeding barrels can be