Bottom plate fixing device for cutting bottom plate of die-cutting rule

The utility model belongs to the technical field of glyphographic plate processing, and particularly relates to a bottom plate fixing device for die-cutting rule bottom plate cutting. The device comprises a supporting frame, a guide rail and a movable supporting plate, a supporting base is arranged at the bottom of the supporting frame and fixed to the ground, and the top of the supporting frame is fixed to the guide rail; the movable supporting plate is located on the inner side of the guide rail. Strip-shaped teeth are arranged on the inner sides of the guide rails, rotating shafts are arranged on the left side and the right side of the movable supporting plate, and gears are arranged at the two ends of each rotating shaft and meshed with the strip-shaped teeth. A through hole is formedin the upper surface of the movable supporting plate, a spiral lead screw is arranged in the through hole, and the bottom plate fixing device for die-cutting rule bottom plate cutting is easy to fix and convenient to operate.