Rolling edge folding device for window opening of sheet metal part

The utility model provides a rolling edge folding device for window opening of a sheet metal part, which comprises a positioning mechanism used for clamping and positioning the sheet metal part, the sheet metal part is provided with a window, the edge of the window is provided with a seamed edge after being folded, and the vertex angle of the seamed edge is a fillet; the portal frame is installed on the positioning mechanism, the multi-axis robot is fixed to the portal frame, and the rolling and folding mechanism is installed on a mechanical arm of the multi-axis robot. The rolling and folding mechanism comprises a retainer, an edge folding wheel, a pressing wheel assembly and a clamping driving piece, the edge folding wheel is installed on the retainer in a rolling mode, the edge folding wheel is provided with a planar end face, and the end face is tightly attached to the edge of the window and is in rolling friction with the edge; a pressing wheel assembly is mounted on the clamping driving part and is used