The utility model relates to an aluminium liquid is smelted scarfing cinder agent and is added funnel that uses, including funnel, contact pin and connecting rod, the contact pin is fixed on the funnel, the contact pin is all fixed on the lateral wall through the connecting rod, the expanded view of funnel is isosceles trapezoid not, the utility model discloses change the whole bag joining chute of scarfing cinder agent and poured the mode of watering the package, can guarantee scarfing cinder agent automatic division of bag outflow scarfing cinder agent after adding the funnel, saved artifical open -ended process.