Bilateral multi-station front and back appearance detection device and detection method thereof

The invention relates to an appearance detection device, and discloses a bilateral multi-station front and back appearance detection device and a detection method thereof.The bilateral multi-station front and back appearance detection device comprises a base, a camera detection mechanism is installed on the base, and the base is provided with a detection station used for detecting the front and back faces of a workpiece and a workpiece transfer station used for achieving workpiece transfer; the detection station and the workpiece transfer station can be located at the same position of the base. The feeding transplanting mechanism and the discharging transplanting mechanism are arranged below the camera detection mechanism and are used for moving the workpieces to the detection station to be subjected to front face detection and back face detection respectively; the workpiece jig of the feeding transplanting mechanism and the workpiece jig of the discharging transplanting mechanism are mutually overturned to t