Surface polishing device for bathroom faucet

The surface polishing device comprises a base, a rotating mechanism and a polishing mechanism, a first sliding plate and a first motor are arranged in the rotating mechanism, a second sliding plate and a second motor are arranged in the polishing mechanism, and a rotating rod, a fixing sleeve, a positioning piece and a pressing piece are arranged in a maintaining component. The surface polishing device for the bathroom faucet is compact in structure, few in parts and low in manufacturing cost, the faucet is automatically grabbed through a mechanical arm, the faucet is inserted into a positioning piece in a butt joint mode, a driving piece arranged on a supporting head is powered on, a pushing piece is pushed, a rotating rod is driven to slide in a sliding hole in a rotating shaft, a first spring and a second spring are compressed, and the faucet is polished. The second spring pushes the first contact piece, the elastic arm is kept stressed and deformed, the pressure applying end makes contact with the inner w