Metal plate anti-counterfeiting pattern color difference detection device and system

The invention discloses a metal plate anti-fake pattern color difference detection device and system, and belongs to the field of printing detection, the device comprises a conveying belt, a scanning mechanism and a discharging mechanism, the discharging mechanism is arranged on one side of the conveying belt, the scanning mechanism is arranged above the conveying belt, a supporting plate is placed on the conveying belt, and the supporting plate is arranged on the conveying belt. The scanning mechanism comprises a transverse rotating assembly, a radial rotating assembly and an acquisition camera, the transverse rotating assembly can control the acquisition camera to rotate, the radial rotating assembly can control the acquisition camera to swing front and back, a sixth groove is formed in the discharging table, and the second electric push rod is arranged in the sixth groove. After a metal plate is printed, the metal plate is conveyed to the scanning mechanism through the conveying belt, the transverse rotati