Furnace door opening and closing mechanism of die steel heating furnace

The utility model relates to a furnace door opening and closing mechanism for a die steel heating furnace, which is provided with a door-shaped bracket, a fixed pulley A is arranged in the middle of the upper part of the door-shaped bracket, and a furnace door limiting slideway is arranged below the fixed pulley A; a transverse plate is further arranged on one side of the top of the door-shaped support, a fixed pulley B and a balance plate are arranged at the end of the outer side of the transverse plate, one end of the balance plate is hinged to the side of the door-shaped support, a hoisting steel wire rope is wound around the fixed pulley A and the fixed pulley B, and one end of the hoisting steel wire rope is connected with a furnace door of the heating furnace downwards from the fixed pulley A in a hoisting mode. The other end of the hoisting steel wire rope is downwards connected to the middle part of a balance plate from the fixed pulley B, and the other end of the balance plate is connected with a bal