Box lunch packing machine

The box lunch packing machine comprises a packing bag storage device and a packing bag form control device. The packaging bag storage device comprises a sliding rail B, a packaging bag storage box, a package packaging bag and a packaging bag clamping mechanism. The packing bag form control device comprises a negative pressure sucker; the negative pressure sucker comprises a sucker body, a spring and a top plate; the sucker body is in a cup shape with one closed end and the other open end, and the open end of the sucker body is provided with an edge opening used for being attached to the outer surface of one side of a packaging bag. The number of the packaging bag shape control devices is two, and when the two packaging bag shape control devices are located at the same height, the open ends of the two suction cup bodies are horizontally and oppositely arranged. The box-packed meal bagging and packaging machine is used for bagging and packaging box-packed meals, can achieve functional operations such as box-pac