Automatic tennis ball serving robot

The utility model discloses an automatic tennis ball serving robot. The device comprises a ball storage box and a ball serving device, a ball discharging pipe is arranged at the bottom of the ball storage box; the ball serving device comprises two supporting plates, two friction wheels and two ball serving motors. The two supporting plates are arranged at the outlet of the lower bulb tube in parallel; the two friction wheels are installed between the supporting plates on the two sides through friction wheel shafts correspondingly. An outlet of the ball discharging pipe right faces the positionbetween the two friction wheels, the gap between the two friction wheels just allows a single tennis ball to pass through, each friction wheel is in power transmission connection with a ball servingmotor, the ball serving motors drive the friction wheels to rotate to extrude the tennis ball discharged out of the ball discharging pipe, and therefore the tennis ball is launched at the initial speed. The multifunctional bal