Rubber sheet welding device for sealing strip

The utility model discloses a rubber sheet welding device for a sealing strip, which comprises a workbench, two groups of supporting blocks, a top plate, an ultrasonic welding machine, a fixing component, two groups of base plates, a plurality of groups of fixing plates, a supporting plate, a power mechanism, two groups of first rotating shafts, a plurality of groups of worms, a plurality of groups of worm gears, a plurality of groups of screw tubes and a plurality of groups of first screw rods, the two supporting blocks are symmetrically fixed to the left side and the right side of the top end of the workbench correspondingly, the top plate is fixed to the top ends of the supporting blocks, the ultrasonic welding machine is fixed to the middle of the bottom end of the top plate, the sealing strip and the rubber piece are fixed to the top end of the workbench through the fixing assembly, and the output end of the ultrasonic welding machine makes contact with the sealing strip and the rubber piece. The two set