Wheat flour lossless packaging equipment and method

The invention provides wheat flour lossless packaging equipment and method, and belongs to the technical field of packaging equipment.The wheat flour lossless packaging equipment comprises a rack, a filling machine body is arranged on the upper portion of the rack, and a transfer conveyor used for conveying packaging bags is arranged below a filling pipe of the filling machine body; two rotating plates are rotationally arranged on the portion, below the filling machine body, of the rack and located on the two sides of the transfer conveyor, the two rotating plates rotate to intermittently form a filling cavity capable of containing packaging bags, and the interior of each rotating plate is hollow and provided with a plurality of first air inlets facing the filling cavity. The negative pressure system forms negative pressure in the two rotating plates, the separation system is used for separating out wheat flour, the space around a packaging bag is sucked through first air inlets in the rotating plates, and af