Construction site raw material management device

The utility model provides a construction site raw material management device, which relates to the technical field of construction site raw material management and comprises a supporting base, a fixing frame is fixed at the top end of the supporting base, a servo motor is mounted at the top end of the fixing frame, and a screw is mounted in a rectangular groove in the fixing frame. The top end of the screw rod is fixedly connected with an output shaft of the servo motor, a lifting block is installed on the surface of the screw rod, a supporting plate is fixedly connected to the right side of the lifting block, and a first discharging plate is rotationally hinged to the top end of the supporting plate. Raw material cement bags can be rapidly carried to the position above the bearing plate to be stored through the first unloading plate, when cement above the bearing plate needs to be unloaded for use, the cement above the second unloading plate can be lifted through the second unloading plate, the cement above