Sealing device capable of achieving batch processing and used for tea packaging

The utility model discloses a sealing device capable of processing tea leaves in batches for packaging. The sealing device comprises a belt conveyor; the limiting clamping pieces are connected to the belt conveyor at intervals, move along the belt conveyor and are used for limiting the bottom of the tea packaging bag; the bottom of the fixed heating piece is connected with the belt conveyor, and the fixed heating piece is arranged on one side of the limiting clamping piece; the bottom of the movable heating piece is connected with the belt conveyor, the movable heating piece is arranged on the other side of the limiting clamping piece, the movable heating piece and the fixed heating piece are oppositely arranged in a spaced mode, and the movable heating piece and the fixed heating piece are jointly used for conducting hot sealing on the tea packaging bag on the limiting clamping piece; the sensor assembly is connected to the fixed heating piece and/or the movable heating piece and used for controlling the mov