Multi-electron-beam vacuum electron beam smelting furnace

The utility model discloses a multi-electron beam vacuum electron beam melting furnace, relates to electron beam melting equipment technical field, including support plate, furnace box and box door, the upper end of support plate is fixed with furnace box, the surface of the other side of box door is adhered with the sealing strip, the surface of one side of the sealing strip close to furnace box is provided with the thermal insulating layer, the thermal insulating layer is provided with the thermal insulating layer, and the thermal insulating layer is provided with the thermal insulating layer. The middle of the heat insulation layer is fixedly connected with a sealing protruding block, and a first annular clamping block is arranged on the surface of one side of the heat insulation layer and located on the outer edge of the sealing protruding block. The sealing strip is arranged between the box door and the furnace box, meanwhile, the box door and the furnace box are tightly attached through the sealing stri