Hot runner nozzle

The utility model discloses a hot runner nozzle which comprises a nozzle outer cylinder body, a feeding cylinder body is fixed at the top end of the nozzle outer cylinder body, a material injection runner is arranged at the central position in the feeding cylinder body, two ends of the material injection runner both extend to the outside of the feeding cylinder body, an external thread connector is sleeved on the outer wall of the feeding cylinder body, and the external thread connector is sleeved on the outer wall of the feeding cylinder body. A hexagonal nut is fixed on the outer wall of the nozzle outer barrel body below the external thread joint, an injection molding runner is arranged at the top end in the nozzle outer barrel body, a heating inner barrel body is arranged on the inner wall of the injection molding runner, a heating wire is arranged at the upper end in the heating inner barrel body, and a stop seat is arranged at the bottom end in the injection molding runner; a spraying flow channel is ar