Metal cavity welding seam polishing and removing mechanism

The utility model discloses a metal cavity weld joint polishing and removing mechanism, and relates to the technical field of machining, the metal cavity weld joint polishing and removing mechanism comprises a carrying table, a metal block is installed at the edge of the upper surface of the carrying table, a storage groove is formed in the top of the metal block, a U-shaped frame is arranged on the outer side of the metal block, a threaded rod is installed above the U-shaped frame, and a bottom plate is welded to the bottom end of the threaded rod; a metal block is arranged on the upper surface of the bottom plate, a rubber pad adheres to the lower surface of the bottom plate, linear sliding tables are symmetrically installed on one side of the metal block, a carrying plate is arranged above the linear sliding tables, and a servo motor is installed on the upper surface of the carrying plate. The grinding part of the first grinding piece is arranged at the front end of the first grinding piece, the grinding p