Operating method of disk pick-and-place device

An operating method of a disc pick-and-place device, wherein the disc pick-and-place device comprises a plurality of picking members flexibly abutting edges of a plurality of discs, each picking member respectively comprises a flexible rod, a first carrying portion and a second carrying portion, the operating method comprising:

• when the disc pick-and-place device intends to pick up the discs,
• driving each flexible rod to rotate and make the disc pick-and-place device enter a first operating state in which each first carrying portion and each second carrying portion are located at the disc releasing positions;
• driving each flexible rod to rotate and make the disc pick-and-place device enter a second operating state in which the first carrying portion is located at the disc holding position, and the second carrying portion is located at the disc releasing position;
• when the disc pick-and-place device intends to unload the discs,
• driving each flexible rod to rotate and make the disc pick-and-place device enter a third operating state in which both the first carrying portion and the second carrying portion are located at the disc holding positions;
• and
• driving each flexible rod to rotate and make the disc pick-and-place device enter a fourth operating state in which the first carrying portion is located at the disc releasing position, and the second carrying portion is located at the disc holding position.