Double-layer double-station elevator

The utility model discloses a double-layer double-station elevator which comprises a mechanism frame, a lifting device, a conveying mechanism and a transfer control device. The mechanism frame is provided with a front-back through conveying channel, and a plurality of linear guide rails arranged in the vertical direction are symmetrically arranged on the two opposite sides of the conveying channel. The lifting device comprises a lifting platform and a lifting mechanism, and the lifting platform is horizontally arranged in the conveying channel and connected with the linear guide rail in a sliding mode through a lifting connecting plate; the lifting mechanism is arranged on the side face of the mechanism frame, and a longitudinal lifting part of the lifting mechanism is connected with the lifting connecting plate. The conveying mechanism comprises an upper-layer conveying line and a lower-layer conveying line which are vertically parallel and arranged at intervals. The transfer control device comprises a detec