Split type sprue spreader for die-casting die

The utility model belongs to the technical field of high-pressure casting dies, and particularly discloses a split type sprue spreader for a die-casting die, which comprises a sprue spreader cooling part and a sprue spreader stress part, the sprue spreader cooling part is of a boss structure, the sprue spreader stress part is detachably and fixedly connected with the sprue spreader cooling part, and the stress surface of the sprue spreader stress part is higher than the boss surface of the sprue spreader cooling part; a cooling pipeline is arranged in the sprue spreader cooling part, and a water inlet and a water outlet which correspond to each other are formed in the sprue spreader cooling part. The sprue spreader is divided into the cooling part and the stress part, and can share most punch injection pressure during injection, so that the cooling part is protected, the impact on the cooling part can be reduced, and the damage and replacement cost is reduced while the service life is prolonged. 本实用新型属于高压铸造模具