Full-automatic arc pressing machine protection device

The utility model discloses a full-automatic arc pressing machine protection device which comprises an arc pressing machine frame, a hydraulic cylinder is installed on the arc pressing machine frame, an arc pressing mechanism is installed at one end of the hydraulic cylinder, and a protection structure is installed at the telescopic end of the hydraulic cylinder. The utility model relates to the technical field of stamping, a protection structure is installed and fixed at the telescopic end of a hydraulic cylinder, the lower edge of a bottom end half sleeve is attached to an arc pressing machine frame, lifting half sleeves on the two sides and the bottom end half sleeves on the two sides surround an arc pressing mechanism, during arc pressing work, the telescopic end of the hydraulic cylinder extends, the lifting half sleeves descend along with the lifting half sleeves, and spring columns are compressed; and after arc pressing is completed, the hydraulic cylinder shrinks, the lifting half sleeves on the two s