Welding tool for copper crucible used for producing vacuum consumable smelting furnace

The utility model discloses a welding tool for a copper crucible used for producing a vacuum consumable smelting furnace, comprising a working platform and a welding gun bracket arranged at one side of the working platform, wherein the working platform comprises a stander and a rotary disk arranged on the stander, a working platform body is arranged above the rotary disk, a worm-gear worm speed reducer is arranged under the rotary disk, a drive motor is arranged at one side of the worm-gear worm speed reducer, a worm on the worm-gear worm speed reducer is connected with an output shaft of the drive motor, a worm gear on the worm-gear worm speed reducer is fixedly connected with the rotary disk, and the drive motor is connected with a control box positioned at one side of the stander; and the welding gun bracket comprises a base and a baseplate connected with the base through a connecting rod. The welding tool can realize the automation of welding production, increase the production efficiency of the crucible,