The invention provides a multi-sealing type sealing device in mold stamping equipment. The device comprises a movable ring assembly, a static ring assembly and a wear compensation mechanism, and the static ring assembly comprises a static ring and an L-shaped static ring seat; the L-shaped static ring seat comprises a bottom and a circumference part; a plurality of annular protrusions are arrangedon the outer surface of the circumference part at intervals; the movable ring assembly comprises a movable ring and a movable ring seat; the wear compensation mechanism comprises a spring seat whichis arranged on a device main shaft in a sleeve mode; the spring seat is sleeved with the movable ring seat, and the movable ring seat can slide along the axial direction of the spring seat; a compensation spring is arranged between the movable ring seat and the spring seat, and a shaft hole O-shaped ring is arranged between the spring seat and the device main shaft; a movable ring O-shaped ring isarranged between the movable ring seat and the spring seat, and the spring seat and the movable ring seat are fixed through screws; and the screws are in threaded connection sequentially with the spring seat and the movable ring seat in the axial direction. The device has the advantages that the structure is simple, the design is reasonable, a multi-sealing structure is adopted, and the sealing reliability is greatly improved.