Automatic polishing equipment for welding seam of capacitor box

The utility model provides capacitor box welding seam automatic polishing equipment which comprises a platform, and a moving mechanism, a fixing mechanism and a polishing mechanism are arranged on the platform. The moving mechanism comprises a lifting module and a moving platform, universal wheels are arranged at the bottom of the moving platform, the lifting module comprises a first lead screw mechanism and a supporting plate, the first lead screw mechanism drives the supporting plate to vertically move up and down, positioning rods which are symmetrically arranged in pairs are arranged on the moving platform, and the moving platform is arranged on the supporting plate; the fixing mechanism comprises second lead screw mechanisms and push rods which are symmetrically arranged, the push rods are arranged on the two sides of the movable platform, and the second lead screw mechanisms drive the push rods to be close to or separated from each other. The grinding mechanism comprises a manipulator which is provided