Die with insert convenient to replace

The utility model discloses a mold with inserts convenient to replace, and relates to the technical field of injection molds. An embedding groove is formed in the rear mold, an insert is embedded in the embedding groove, a positioning hole is formed in the insert, an inserting hole communicated to the embedding groove is formed in the side wall of the rear mold, a locking column used for being inserted into the positioning hole is arranged in the inserting hole in a penetrating mode, and the locking column is connected to the rear mold through a thread so as to keep the insert fixed; an inclined plane is arranged on the side, away from the front mold, of the insert, and an extrusion hole is formed in the side wall of the rear mold and communicates to the bottom of the inlaying groove; the rear die is matched with an extrusion column inserted into the extrusion hole, and the end of the extrusion column is inserted into the extrusion hole and then abuts against the inclined face of the insert so as to push the