This utility model relates to a tape sealing device, including a support frame, multiple rollers rotatably mounted on the support frame, a cleaning mechanism mounted on the support frame, and a sealing mechanism mounted on the support frame; the cleaning mechanism includes a first frame symmetrically mounted on the support frame, a first clamping
assembly mounted on the first frame, multiple first cleaning rollers rotatably mounted on the first frames on both sides, a first top plate slidably mounted on the first frames on both sides, an inlet groove fixedly mounted on the first top plate, multiple second cleaning rollers rotatably mounted on the first top plate, and multiple first spring telescopic rods fixed at one end on the first top plate and at the other end on the first frame; the cleaning mechanism and the sealing mechanism are connected by a guide belt.