The invention discloses a hollow cup motor rotor baking device with a simple structure and automatic baking. After the baking is completed, a hollow cup motor rotor is automatically transported to a next operation position rapidly. The structure of the hollow cup motor rotor baking device comprises a hollow cup motor rotor conveyor and a heat shield buckled to the hollow cup motor rotor conveyor, the hollow cup motor rotor conveyor comprises a baking conveying section and a feeding conveying section, and the conveying speed of the baking conveying section is lower than that of the feeding conveying section. The heat shield is internally provided with a baking heating device, and the size of the heat shield is adapted to the shape of the baking conveying section. Two ends of the heat shield which are perpendicular to the conveying direction of the hollow cup motor rotor conveyor are provided with a material inlet and a material outlet. According to the device, the baking of the hollow cup motor rotor which is subjected to dispensing can be automatically completed.