The invention discloses a polishing device for glass production. The polishing device comprises a base, wherein guide rails are arranged on the base and connected with a first sliding base in a sliding manner; a second driving device is arranged on the first sliding base and is in rotational connection with a polishing worktable on which clamping frames are arranged; the clamping frames are distributed in a circling manner around the polishing worktable; the guide rails are also connected with a second sliding base in a sliding manner; a glass conveying device is arranged on the second sliding base; feed openings are formed in the top of the glass conveying device; discharge openings are formed in one side surface of the glass conveying device and matched with the clamping frames; a pushing device is arranged in the glass conveying device; and a track deflection detection module is arranged on the base. According to the polishing device, the discharge openings and the clamping frames are accurately butted, small pieces of glass are conveyed into the clamping frames through the pushing device, and the edges of the small pieces of glass are polished and finished by a polishing wheel, so that the problem of difficult polishing of the small pieces of glass is solved, and the effects of being high in polishing speed, even in polishing and high in polishing efficiency are achieved.