Quantitative discharging mechanism for rice outlet packaging

The utility model relates to the technical field of food processing machinery, in particular to a quantitative discharging mechanism for rice outlet packaging, which comprises a conveying box, a quantitative box, a base and supports, the supports are symmetrically arranged on two sides above the base, the conveying box is arranged above the supports, and the quantitative box is arranged above the conveying box. A supporting leg is arranged on the upper left portion of the conveying box, a material storage barrel is arranged on the supporting leg, a pneumatic gate valve is arranged on a discharging port below the material storage barrel, a screen barrel is arranged in the conveying box below the pneumatic gate valve, a discharging port of the pneumatic gate valve is communicated with a feeding port of the screen barrel, and a discharging port of the pneumatic gate valve is communicated with a discharging port of the screen barrel. A reamer is arranged in the middle of the interior of the screen barrel. By arra