Welding device applied to woven bag production

The utility model relates to the technical field of woven bag production, and discloses a welding device applied to woven bag production, which comprises racks, a working table and a hood, the working table is movably arranged in the middle of the racks, the hood is fixedly arranged at the top of the racks, the racks are in four groups of opposite design, the tops of the racks are fixedly connected with a top beam, and the top beam is fixedly connected with the working table. A connecting rod is fixedly connected to the center of the bottom of the top beam, a welding pressing plate is fixedly connected to the other end of the connecting rod, first grooves are formed in the middle of the outer wall, facing the workbench, of the rack, second grooves are formed in the bottoms of the first grooves, and telescopic rods are fixedly arranged in the second grooves. A fixing block is fixedly arranged at the position, corresponding to the first groove, of the workbench, and a telescopic rod ejector rod penetrates throu