Patent ID: 8496045
Filing Date: 2013-07-30
Classification: B22D

Abstract:
1. A die-cast casting apparatus comprising: a die having a cavity formed inside thereof; a tubular sleeve, having an internal space that is communicated with the cavity, in which a melt supply gate is formed, and in which the internal space is communicated with an outside of the tubular sleeve via the melt supply gate; a ladle that includes an accommodation portion that holds a melt and a melt pouring spout that serves as a pouring gate, through which the melt accommodated in the accommodation portion is poured, wherein the ladle is tilted towards the melt pouring spout side such to pour the melt through the melt pouring spout towards the melt supply gate of the sleeve and thereby supply the melt into the sleeve, and a plunger provided slidably within the sleeve that is used to inject the supplied melt into the cavity, the apparatus wherein: the melt pouring spout of the ladle is cylindrical and protrudes outward from the accommodation portion continuously with the accommodation portion, the melt pouring spout includes a rotation portion that rotates the melt in the circumferential direction in the melt pouring spout as the melt passes through the melt pouring spout when the melt is poured, the rotation portion is a screw that is provided inside the melt pouring spout and rotates concentrically with the melt pouring spout, and the screw rotates the melt in the circumferential direction of the melt pouring spout.