The present disclosure provides a driving device, a bucket and a vending machine. The driving device comprises a base, a motor arranged on the base, a transmission mechanism in transmission connection with the output shaft of the motor and a power output wheel in transmission connection with the transmission mechanism; the transmission mechanism is configured to drive the power output wheel to rotate and to move from a first position to a second position when the output shaft of the motor rotates in a first preset direction; the transmission mechanism is also configured to drive the power output wheel to move from the second position to the first position when the output shaft of the motor rotates in a second preset direction; wherein the first preset direction is opposite to the second preset direction.