Mouth moving mechanism of humanoid expression robot

The mouth moving mechanism is characterized in that the mouth moving mechanism comprises a transversely-arranged top plate, a double-shaft steering engine and a lower jaw plate are arranged at the bottom of the top plate, and the output end of the double-shaft steering engine is installed on the rear portion of the top plate in the width direction of the top plate; the lower jaw plate comprises two jaw support plates which are oppositely arranged and are respectively mounted at two output ends of the double-shaft steering engine, and the lower ends of the two jaw support plates are connected with an arc-shaped jaw body plate; the front end of the top plate is provided with a nose bridge plate which is vertically arranged, and a mouth connecting rod mechanism which is integrally rhombic is hinged between the lower end of the nose bridge plate and the jaw body plate. The head structure and the robot have the advantages of being ingenious in structural design, high in space utilization rate, capable of simulatin