Polishing device for metal fittings

The utility model discloses a polishing device for metal fittings, relates to the technical field of polishing processing, and aims to solve the problems that the existing polishing device for metal fittings is difficult to polish the inside and the outside of a pipeline, and the processing time is long. The polishing device comprises a polishing device shell, a driving motor is arranged at the rear end of the polishing device shell, a shell inner fixing pipe is arranged in the polishing device shell, a polishing agent input pipe is arranged around the shell inner fixing pipe, a polishing pipe outer pipe is arranged in the shell inner fixing pipe, a polishing inner pipe is arranged in the polishing pipe outer pipe, and a polishing agent input pipe is arranged around the polishing agent input pipe. A base is arranged at the lower end of the polishing device shell, and polishing liquid through holes are formed in the polishing pipe outer pipe and the polishing pipe inner pipe. 本实用新型公开了一种金属配件的抛光装置，涉及抛光加工技术领域，为解决