Improved tray conveying mechanism

The utility model discloses an improved tray conveying mechanism which comprises a base and a support, the support is arranged above the base, a correcting device is arranged above the base, a rotating rod is rotationally connected to the interior of the support through a bearing, a top plate is fixedly connected to the upper portion of the rotating rod, a lifting device is arranged above the base, and the top plate is fixedly connected to the upper portion of the lifting device. A second conveying frame is fixedly connected to the upper portion of the base through supporting columns. According to the improved tray conveying mechanism, through cooperation of the frame, the motor, the first gear, the first racks, the supporting plate and the vertical rod, the motor drives the first gear to rotate, the first gear drives the two first racks to slide, the first racks drive the supporting plate to move, the supporting plate drives the vertical rod to move, and the vertical rod straightens the position of a tray; t