Automatic steel plate rounding device

The invention relates to the technical field of automatic steel plate circle folding, in particular to an automatic steel plate circle folding device which comprises a base, and a vertical plate is fixed to the surface of the base; a rubber strip is arranged on the surface of the second extrusion rod, a lantern ring is in threaded connection with the surface of the second extrusion rod, a rotating rod is arranged at the end of the second extrusion rod, a connecting rod is arranged at the end of the rotating rod, the lantern ring is arranged on the surface of the rotating rod in a sleeving mode, and a limiting groove is formed in the surface of the lantern ring; the first extrusion rod is arranged on the surface of the vertical plate; the device has the beneficial effects that a steel plate is placed between a second extrusion rod and a first extrusion rod, a limiting plate is pulled out of a first storage groove, the limiting plate and the limiting plate are in a vertical state under the pushing of a second s