The invention relates to quadric automatic powder filling needed to be realized for suppressible insert products, in particular to a device with a quadric automatic powder filling formwork of a floating support structure for the exposed part of an insert. The device can realize 'one mold with one cavity, one mold with two cavities and one mold with multiple cavities'. The invention makes up the defect of the common powder shaping device that powder filling can only be carried out once, realizes quadric powder filling and enlarges the range of powder products.