Cold runner device of rubber injection mold

The utility model discloses a cold runner device of a rubber injection mold, which comprises a runner plate, an upper hot plate of the injection mold is provided with an accommodating cavity, and the runner plate is detachably connected in the accommodating cavity; a space is reserved between the outer side wall of the runner plate and the inner side wall of the accommodating cavity; a feeding hole, a discharging hole and an injection runner are formed in the runner plate, and the two ends of the injection runner are communicated with the feeding hole and the discharging hole respectively; and a cooling runner for cooling the injection runner is arranged in the runner plate. The cold runner device of the rubber injection mold, disclosed by the utility model, is simple in structure, reduces the heated vulcanization of a rubber material in the runner, generates less waste materials, and saves rubber raw materials. 本实用新型公开了一种橡胶注射模具的冷流道装置，包括流道板，所述注射模具的上热板上设有容置腔，所述流道板可拆卸的连接在容置腔内；所述流道板的外侧壁与所述容置腔的内侧壁之间留有空间；所述流道板上设有进