Mould for injecting embedded casting

The utility model discloses a mould for injecting an embedded casting. The mould comprises a movable mould, a fixed mould and a movable block, wherein the fixed mould is oppositely arranged above the movable mould; the lower end face of the movable block is adjacent to the embedded casting; the upper end face of the movable block is abutted against the lower end face of a movable embedded piece; an elastic piece is arranged between the movable embedded piece and the movable block; the fixed mould comprises a fixed mould body and a movable insert; the movable insert is connected with the fixed mould in a manner of moving up and down; the movable block and the movable insert are arranged in the fixed mould. According to the mould for injecting the embedded casting disclosed by the utility model, the elastic piece is arranged between the movable embedded piece and the movable block so that an injection molding pressure to the embedded casting by the movable block can be buffered when the height of a mould castin