Equipment and method for welding aviation alloy material through vacuum electron beam

The invention discloses equipment and method for welding aviation alloy materials through vacuum electron beams, and relates to the technical field of electron beam welding. The equipment comprises a welding workbench, a butt joint assembly, an electron beam welding machine and a vacuum welding box; the butt-joint assembly comprises two rotating sleeves connected with the welding workbench in a clamped mode, butt-joint discs connected into the two rotating sleeves in a clamped mode and conical butt-joint bases arranged on the two butt-joint discs. A butt joint lead screw connected with the two rotating sleeves is connected to the welding workbench in a clamped mode. The electron beam welding machine is clamped on the welding workbench, and a welding machine pushing lead screw connected with the electron beam welding machine is clamped on the welding workbench; a gear ring is arranged on the butt joint disc, a gear meshed with the gear ring is arranged on the pushing seat, a first bevel gear is arranged on one