Rotary opening and closing type shielding cabin

The invention relates to a rotary opening and closing type shielding cabin which comprises a fixed shielding case and a rotary shielding case. Wherein the fixed shielding case is used for being arranged on a supporting frame, and the supporting frame is arranged on one side of the main body shielding case; the rotary shielding case is rotatably connected to the fixed shielding case, and the rotary shielding case can rotate around the length direction of the fixed shielding case; one end, facing the main body shielding case, of the rotary shielding case and one end, facing the main body shielding case, of the fixed shielding case are open ends and are in butt joint with the main body shielding case so as to block an input port of the main body shielding case. According to the rotary opening and closing type shielding cabin, the rotary shielding case has the closed state and the opened state, when the rotary shielding case rotates to the closed state, the upper portion of the fixed shielding case is closed to s