Rapid demolding device for molten steel pouring

The utility model relates to a quick demoulding device for molten steel pouring, which belongs to the technical field of alloy bar demoulding and is characterized in that support plates are arranged below a fixed plate, a first side plate and a second side plate are arranged on opposite sides of the two groups of support plates, and the first side plate is slidably connected with the two groups of support plates in the vertical direction; a connecting plate is arranged between the two opposite first side plates in a sliding mode in the horizontal direction, a base is arranged between the two opposite second side plates in a sliding mode in the horizontal direction, a telescopic rod is arranged between the connecting plate and the base, a plurality of grooves and a plurality of ejection mechanisms are arranged on the connecting plate in the length direction of the connecting plate, and the grooves and the ejection mechanisms are distributed at intervals. The mother alloy bar mold does not need to be taken out