Full-automatic vacuum modified atmosphere packaging machine

The utility model discloses a full-automatic vacuum modified atmosphere packaging machine which comprises a supporting table, a packaging box, a sealing groove, an air exhaust hole and a supporting plate, the packaging box is installed on the top face of the supporting table, the sealing groove is formed in the top of the outer wall of the packaging box and surrounds the packaging box by a circle, the air exhaust hole is formed in the packaging box, and the supporting plate is arranged on the supporting plate. A supporting plate is installed in the packaging box, an internal conveying belt is arranged on the upper side of the supporting plate and installed in the packaging box, a supporting frame is installed on the supporting table, and an extending plate is transversely installed on the supporting frame. According to the full-automatic vacuum modified atmosphere packaging machine, internal conveying is arranged, vacuum bags on the first conveying belt can be transferred into a packaging box under the action