Polishing device for inner opening of glass bottle and using method of polishing device

The invention relates to the technical field of glass product processing equipment, and discloses a glass bottle inner opening polishing device and a using method thereof.The glass bottle inner opening polishing device comprises a base, limiting columns are symmetrically arranged on the two sides of the top of the base, extension columns are arranged on the tops of the limiting columns in the axial direction of the limiting columns, and rotating discs are arranged on the opposite faces of the two extension columns; a conduction rod is arranged at the bottom of the rotating disc, a connecting piece is arranged at the bottom of the conduction rod, and a plurality of connecting ropes are connected into the connecting piece in a sleeved mode. According to the polishing device for the glass bottle inner opening and the using method thereof, the glass bottle inner opening can be attached in a self-adaptive mode according to the radian of the glass bottle inner opening, and the polishing effect on the glass bottle i