3D (three-dimensional) steel sheet of mold for tire production

The utility model provides a three-dimensional (3D) steel sheet belonging to a mold for tire production, which solves the technical problems that the existing narrow groove straight surface pattern groove in tire patterns is designed to be too deep, the rigidity of a tread cannot be ensured, the rigidity of the tread is influenced and the like, and can be widely applied to the field of tire pattern design. The device specifically comprises a corrugated area, and the corrugated area is a vertical cambered surface which is continuous along the central axis. Extending areas are arranged on the two sides of the corrugated area, and the extending areas are vertical planes; a coupling region is arranged below the corrugated region, and the coupling region is a continuously staggered concave-convex cambered surface generated by coupling transverse and longitudinal corrugations; the periphery of the coupling area is provided with an outer frame area, the outer frame area is a vertical plane, and the corrugated area a