Fixing device for woven bag cutting machine

The utility model discloses a fixing device for a woven bag cutting machine, which comprises a transmission platform, a servo motor and a U-shaped rod, the upper end of the U-shaped rod is connected with a lifting plate, the lower end of the lifting plate is connected with a cutter, the lower end of the lifting plate is symmetrically connected with fixing parts on the front side and the rear side of the cutter, and each fixing part comprises a box body, a screw rod, a screw block and a round pipe. A piston is arranged in the round pipe, a compression spring is connected between the piston and the screw block, the lower end of the piston is connected with a pressing rod, the lower end of the pressing rod is connected with a pressing plate, and the pressing plate is located below the cutter. The pressing plates on the two fixing parts located on the front side and the rear side of the cutter can fix the position of the woven bag on the conveying platform, the cutting effect of the cutter is improved, the distan