Polishing device for coated glass production

The utility model discloses a polishing device for coated glass production, which comprises a mounting table and a glass body placed above the mounting table, a flame spray gun is arranged at the upper end of the mounting table, a vertical plate is arranged on the polishing side of the upper end of the mounting table, a fire collecting groove notch is arranged on the outer side wall of the vertical plate, and a mounting port is arranged on the inner side wall of the fire collecting groove notch. The edge of the glass body penetrates out of the mounting opening and extends into the fire collecting groove notch, fire blocking plates are arranged at the positions, located at the two ends of the glass body, in the fire collecting groove notch, flexible fireproof blocks are arranged on the opposite faces of the adjacent fire blocking plates, and reset clamping assemblies are arranged between the vertical plates and the fire blocking plates. The oppositely-arranged fireproof plates draw close to each other under th