Tea vacuum packaging device

The utility model discloses a tea vacuum packaging device which comprises a packaging machine body, a vacuum chamber is arranged at the upper end of the packaging machine body, the packaging machine body covers the vacuum chamber in a sealing mode and is hinged to a machine cover, a sealing mechanism is arranged in the vacuum chamber, and the sealing mechanism comprises a base, a side plate, a hot-pressing convex roller and an electric heating wire. The side plates are fixedly arranged on the bottom face of the vacuum cavity, and the base is arranged between the two side plates and forms a position where a packaging bag can be placed. The hot-pressing convex roller is fixedly arranged on the base, and the electric heating wire is assembled in an empty groove formed in the hot-pressing convex roller; a pressing and sealing mechanism is arranged at the position, located above the hot-pressing convex roller, of the base so that a bag opening of the packaging bag can be tightly pressed on the hot-pressing convex