Nozzle with anti-blocking structure

The utility model provides a nozzle with an anti-blocking structure, and relates to the technical field of injection molding nozzles. A threaded head is arranged in the middle of the rear end of the injection molding nozzle body, and the injection molding nozzle body is installed on the connecting pipe through the threaded head. A heating wire for heating is arranged in the injection molding nozzle body; a rear shrinkage groove is formed in the rear end of the injection molding nozzle body; the shrinkage groove is located in the periphery of the threaded head. And a warning piece is slidably mounted in the shrinkage groove. According to the utility model, after the injection molding nozzle body and the connecting pipe are loosened and separated, the warning piece can pop up under the action of the trigger spring, and the pop-up warning lamp can be triggered under the matching of a plurality of structures, so that the warning lamp emits light, and the attention of workers is attracted by the light; therefore,