Plate selecting system

The utility model discloses a plate selecting system which comprises a feeding device, a detecting device and a sorting device so that plates can sequentially pass through the feeding device, the detecting device and the sorting device. Wherein the detection device comprises a turnover mechanism for turning over plates and detection machines for detecting the quality of the plates, the detection machines are arranged in front of and behind the turnover mechanism, and the turnover mechanism comprises a rotating shaft, a material receiving arm capable of carrying the plates to turn over and a turnover transportation assembly used for being in butt joint with the detection machines for transportation. The turnover transportation assemblies are distributed on the two sides of the rotating shaft, the material receiving arm is arranged on the rotating shaft, and the material receiving arm moves back and forth to the turnover transportation assemblies on the two sides through the rotating shaft so as to turn over th