The utility model discloses a glass tank furnace is unloaded and is used head tower device, including first support (1), first jack (2), ejector pin (3) and push rod guide sleeve (31), push rod guide sleeve (31) through a plurality of connecting rods (32) connect in first support (1), ejector pin (3) are passed push rod guide sleeve (31), install first jack (2) first support (1) is gone up and is replaced the lower extreme of ejector pin (3), so that the upper end of ejector pin (3) can be inserted in the glass liquid of tank furnace bottom. Like this, can promote the efficiency of unloading of glass tank furnace.