Patent ID: 9050653
Filing Date: 2015-06-09
Classification: B22D

Abstract:
1. Suction valve device for die-casting machine comprising a mould with at least two separable mould parts, the suction valve device comprising a body with a valve chamber comprising a suction chamber and a control chamber, a sliding valve mounted in the valve chamber, the sliding valve comprising a first part with a valve head cooperating with a valve seat on the body for opening and closing of the valve, and a second part comprising a piston mounted in the control chamber, the control chamber being connected to fluid control connections for exerting pressure on the piston for controlling opening and closing of the valve, the second valve part and the first valve part being aligned on the same axis (A) in the direction of displacement of the sliding valve, the first and second parts of the sliding valve being separable, the suction valve device being configured to be arranged on one of said parts of the mould and oriented such that said axis (A) of the sliding valve is transversal to a plane (P) of separation of said mould parts, the first valve part being separable from the device from the side of said plane of separation (P) the first and second parts of the sliding valve being fixed together by a removable securing member comprising a pin or a key inserted transversally in an orifice passing through the first and second parts of the sliding valve.