Automatic packing machine for light steel keels

The utility model relates to the technical field of building material packaging, and discloses a lightgage steel joist automatic packaging machine which comprises a box body, a motor is fixedly installed on the top of the box body, an output shaft is fixedly installed at the output end of the motor through a speed reducer, threaded rods are rotatably installed on the two sides of the top of the box body, and the threaded rods are fixedly installed on the box body. A transmission belt is installed on the outer surface of the threaded rod through a power transmission wheel in a transmission mode, and the outer surface of the output shaft is in transmission connection with the inner surface of the transmission belt through the power transmission wheel. And the threaded rod drives the material receiving plate to turn over through the sliding block, the rotating shaft, the gear and the rack, and every two keel plates are clamped, so that automatic clamping of every two keel plates is achieved, the labor intensity