Particle weighing and bag feeding type packaging machine

The utility model relates to the technical field of packaging machines, in particular to a particle weighing and bag feeding type packaging machine which comprises a packaging machine body and a supporting plate, the surface of the packaging machine body is fixedly connected with the supporting plate, the outer wall of the supporting plate is fixedly connected with the outer wall of a material box, and the material box is connected with a feeding pipe. A first motor in a moving device drives a gear to rotate, the gear drives an upper rack and a lower rack to move relatively, the two racks slide in a cover body, the two racks drive vertical plates to move, the two vertical plates drive sliding columns to move, the two sliding columns drive connecting columns to move, the two connecting columns slide in a supporting plate, and the two connecting columns drive a transverse plate to descend. The transverse plate drives the bottoms of the two feeding pipes to descend to the position over the electronic scale, the