▎ 摘　　要

NOVELTY - The invention claims a spray head of graphene RFID antenna manufacturing device, comprising an outer cylinder, a middle cylinder and an inner cylinder. one end of the outer cylinder is provided with a first liquid inlet hole, the other end is provided with a first connecting hole, the inner part of the outer cylinder is provided with a first cavity; the middle cylinder is set in the first cavity, one end of the middle cylinder is set opposite to the first liquid inlet hole, the other end is provided with a second liquid inlet hole and a second connecting hole; the inner cylinder side wall is provided with a third liquid inlet hole, one end of the inner cylinder is provided with a liquid outlet hole, the inner cylinder inner cavity is connected with the outside through the liquid outlet hole, the inner cylinder side wall is connected with the outer cylinder through the first connecting hole, the second connecting hole is connected with the middle cylinder, the outer cylinder inner wall, the middle cylinder outer wall, the inner cylinder outer wall forms the first liquid inlet cavity, the middle cylinder inner wall, the outer wall of the inner cylinder forms a second liquid inlet cavity, a first liquid inlet hole, a first liquid inlet cavity, a second liquid inlet hole, a second liquid inlet cavity, a third liquid inlet hole, the inner cavity of the inner cylinder, the liquid outlet hole are orderly connected to form a slurry channel, so as to reduce the spraying of the slurry in the process of spraying slurry.