Clamping device for joint of paper-making mesh blanket

The utility model belongs to the field of papermaking mesh blanket production and processing equipment, and provides a clamping device for papermaking mesh blanket joints, which comprises a workbench, a moving seat in frictional sliding fit with the workbench is arranged on the workbench, two ends of the moving seat are respectively provided with an indexing connecting mechanism, and supporting arms are arranged on the indexing connecting mechanisms. Supporting rollers used for supporting a papermaking mesh blanket are arranged at the ends of the supporting arms, a downward pressing mechanism is arranged above the workbench and comprises a first pressing plate and a second pressing plate, a U-shaped rod is arranged at the head end of the first pressing plate, and one side of the U-shaped rod penetrates through the first pressing plate and is connected with the two ends of the first pressing plate through fixing nuts; a cylinder body movably matched with the other side of the U-shaped rod is arranged below the