This utility model provides an insert injection mold, belonging to the field of mold technology, comprising: a fixed mold plate, which is provided with a first mold core, the first mold core being provided with a limiting
insertion hole for inserting one end of an insert piece; a movable mold plate, which can be close to or away from the fixed mold plate, the movable mold plate being provided with a second mold core, the second mold core being provided with a positioning
insertion hole for inserting the other end of the insert piece; a cavity is formed between the first mold core and the second mold core, the limiting
insertion hole communicating with the cavity, and the positioning insertion hole communicating with the cavity. The beneficial effects of this utility model are: the insert piece is positioned by the positioning insertion hole in the second mold core, and the insert piece is limited by the limiting insertion hole in the first mold core; the insert piece is first inserted into the first mold core, and when the mold is closed, the insert piece can automatically insert into the second mold core, thus fixing the
thin metal insert piece and preventing it from shaking and affecting the insert injection molding effect.