Cross-grid cutter for uniform-curvature surface

The utility model relates to a cross-cut knife, in particular to a cross-cut knife for a uniform curvature surface, which comprises a knife rest and a plurality of blades, a limit groove is arranged above each blade, and a sliding notch is arranged in the middle of each blade. The cross section of the knife rest is inverted-U-shaped, a through hole for the flat shaft to penetrate through is formed in the middle of the knife rest, and the bottom edge of the knife rest is connected with the knife handle. A multi-tooth spring piece is arranged on the inner top face of the tool rest, the multi-tooth spring piece is associated with the multiple limiting grooves, and the flat shaft penetrates through the middle of the tool rest and the sliding groove opening to be fixed through a bolt. According to the cross-cut knife for the uniform-curvature surface, a plurality of blades can be used for carrying out cross-cut on a uniform-curvature product at the same time, and the problems that during cross-cut testing, an exis