Pneumatic distributing and weighing device for soil powder particles

The utility model relates to a material distributing device, and provides a pneumatic type material distributing and weighing device for soil powder particles in order to realize automatic material distributing of the soil particles, which comprises a material distributing pipe with two open ends, a sealing cover arranged at one end of the material distributing pipe, a material distributing head arranged at the other end of the material distributing pipe, and a material discharging pipe arranged at the end part of the material distributing head, the piston is arranged in the material distributing pipe in a sliding mode, and the discharging pipe is sleeved with the rubber pipe. The part, arranged in the rubber pipe, of the discharging pipe is bent, and the end of the discharging pipe is attached to the inner wall of the rubber pipe. The connecting piece penetrates through the sealing cover and then is detachably connected with the interior of the material distributing pipe in a communicating mode. The end, awa