Logistic tray stacking bracket

The utility model discloses a logistic tray stacking bracket. The logistic tray stacking bracket comprises a bracket main body, a lifting device and a control device; the bracket main body comprises a square top supporting platform and four upright posts; the upright posts are arranged at the four corners of the square top supporting platform; a sliding groove is vertically formed in the bottom of each upright post; a sliding block is arranged in each sliding groove; the lifting device comprises a drive motor, guide wheels and steel ropes; the drive motor is arranged on the upper part of the square top supporting platform; the guide wheels are arranged at the top ends of the upright posts; one ends of the steel ropes are fixedly connected with the sliding blocks in the sliding grooves; the other ends of the steel ropes are wound around the drive shaft of the drive motor; the control device comprises an upper contact switch, a lower contact switch, an upper infrared photoelectric switch, a bottom infrared photoelectric switch and a lift controller; and the drive motor, the upper contact switch, the lower contact switch, the upper infrared photoelectric switch and the bottom infrared photoelectric switch are all connected with the lift controller. The logistic tray stacking bracket has the advantages that trays are withdrawn and used from the bottom, so that the time and labor are saved; the trays are prevented from damage; and potential safety risks are avoided.