Needle valve cold runner system

The utility model discloses a needle valve cold runner system which structurally comprises a heating plate, an injection nozzle plate, a runner plate, an oil way plate, a fixing plate and the like, a plurality of glue injection nozzles are arranged in the injection nozzle plate, and a glue injection hole and a movably mounted valve needle are arranged in each glue injection nozzle; the runner plate is internally provided with a glue injection runner which is communicated with the glue injection holes in the glue injection nozzles at the same time; a glue inlet nozzle is arranged in the oil way plate in a sealing manner, and a glue inlet hole communicated with the glue inlet runner is formed in the glue inlet nozzle; therefore, a rubber injection machine injects a rubber material into the rubber inlet hole, and then the rubber material is respectively communicated into the rubber injection hole of each rubber injection nozzle through the rubber inlet runner, at the moment, only each rubber injection nozzle nee