Ultrasonic welding device for fabric processing

The utility model belongs to the technical field of ultrasonic welding, and discloses an ultrasonic welding device for fabric processing, which comprises a base, a welding table is fixedly mounted at the top of the base, first cloth and second cloth are respectively placed at the left end and the right end of the top of the welding table, and a supporting rod is fixedly mounted at the top of the base. A sliding rail is fixedly mounted on the front face of the supporting rod, and a first movable block is slidably mounted on the front face of the sliding rail. According to the device, the pulleys and the ultrasonic device are arranged, the first cloth and the second cloth are pulled towards the two sides through the pulleys, the surfaces of the first cloth and the second cloth are flatly laid, and compared with a traditional device, the device can flatly lay the first cloth and the second cloth before welding, so that the welding efficiency is improved; the air gap between the first cloth and the second cloth i