Rotary disk control device of full-automatic card machine

The utility model provides a rotary disk control device of a full-automatic card machine, which at least comprises a rotary disk, a stepper motor, a photoelectric sensor and a controller. The rotary disk is provided with an inner annular wall and an outer annular wall concentric with the inner annular wall, first unit marks are evenly distributed on the inner annular wall, and second unit marks are evenly distributed on the outer annular wall; the stepper motor is used for driving the rotary disk to rotate in a stepping manner; the photoelectric sensor is provided with two pairs of optical signal generating ends and corresponding optical signal receiving ends, the optical signal generating ends are respectively arranged on two sides of the outer annular wall and two sides of the inner annular wall in a bridging manner, and the photoelectric sensor is used for respectively generating first signals and second signals when detecting the first unit marks and the second unit marks; and the controller electrically