Winding machine for rolled or drawn wire/rod with turn clutch device for automatic winding of the type comprising a reel with a mandrel and base flange and an external mobile containment counter flange, wherein the counter flange is openable to allow the axial extraction from the mandrel of the reel of the completed coil, the flange of base comprising a recess to receive the head of the wire/rod to be wound, with an overturned trapezoidal annular recess with corresponding reduction towards the base for auto-clamping the wire/rod to start winding without requiring pincers.