Vacuum feeding machine with continuous feeding function

The utility model relates to the technical field of vacuum feeding machines, and discloses a vacuum feeding machine with a continuous feeding function, which comprises a bottom plate, a support frame is fixedly mounted on the top wall surface of the bottom plate, a support top plate is fixedly mounted on the top wall surface of the support frame, and a concentration box is fixedly mounted on the bottom wall surface of the support top plate. Two main cabinets communicating with the interior of the concentration box are fixedly installed on the top wall face of the supporting top plate, a material suction fan is fixedly installed on the top wall face of the bottom plate, two air inducing pipes are fixedly installed at the output end of the material suction fan, and feeding pipes are fixedly installed at the ends, away from each other, of the side walls of the two main cabinets correspondingly. And expansion pipes are fixedly mounted on the bottom wall surfaces of the two feeding pipes. According to the feeding