Polishing device for chain machining

The utility model relates to the technical field of chain machining equipment, in particular to a polishing device for chain machining. Comprising a table body, a housing is arranged at the top of the table body, transverse plates are welded to the two sides of the housing, first electric cylinders are fixedly mounted on the two sides of the table body, output rods of the first electric cylinders are welded to the bottoms of the corresponding transverse plates, and a first mounting plate is slidably mounted at the top of the table body; a second mounting plate and a second electric cylinder are fixedly mounted at the top of the table body, an output rod of the second electric cylinder is welded to the first mounting plate, first vertical plates are welded to the tops of the first mounting plate and the second mounting plate, and second vertical plates are arranged at the tops of the first mounting plate and the second mounting plate; and the same chain wheel is rotationally mounted on the first vertical plate