Protection mechanism of high-rotating-speed cutting equipment

The utility model provides a protection mechanism of high-rotating-speed cutting equipment. The protection mechanism of the high-rotating-speed cutting equipment comprises a supporting plate and a protection shell rotationally installed on the top of the supporting plate, and is characterized in that a cutting machine is arranged on the outer wall of one side of the protection shell, a fixing mechanism is arranged on the outer wall of one side of the protection shell, arc-shaped boxes are fixedly installed on the inner walls of the two sides of the protection shell, and the arc-shaped boxes are fixedly installed on the inner walls of the two sides of the protection shell. Two arc-shaped boxes are arranged in the protective shell, arc-shaped rods are slidably installed in the two arc-shaped boxes, bent springs are arranged in the two arc-shaped boxes, one ends of the two bent springs are fixedly connected with the inner walls of one sides of the two arc-shaped boxes correspondingly, the other ends of the two b