The utility model belongs to the technical field of brick sorting in cement kilns and particularly relates to a turning mechanism for a finished product brick sorting line. The turning mechanism comprises an electric control cabinet on one side of the sorting line and an impeller shaft installed above a conveying line machine frame of the sorting line. Turning impellers respectively sleeve the two ends of the impeller shaft, the two ends of the impeller shaft are supported and fixedly installed on the two sides of the conveying line machine frame through a bearing and a bearing support, one end of the impeller shaft is directly connected with a power mechanism through a coupler, a photoelectric switch is arranged on a conveying line on one side of the turning mechanism, and the photoelectric switch is electrically connected with an electric control system in the electric control cabinet. The turning mechanism for the finished product brick sorting line is simple in structure, reasonable in design, capable of reducing labor intensity of workers, capable of improving production efficiency, capable of saving labor, capable of improving shift production, obvious in economical benefit and convenient to popularize and implement.