Double-station quick feeding device of polishing machine

The utility model belongs to the technical field of aluminum plate processing. A double-station rapid feeding device of a polishing machine comprises a feeding conveying device, a walking track, a supporting frame, a transverse moving frame and a lifting frame, and a working trolley is arranged on the walking track; the supporting frame is arranged on the working trolley and the upper portion of the feeding and conveying device in a crossing mode. The transverse moving frame is supported on the supporting frame in a walking mode. The lifting frame is arranged at the lower part of the transverse moving frame, a lifting driving part for driving the lifting frame to lift is arranged on the transverse moving frame, and a plurality of suckers are distributed at the lower part of the lifting frame; a first station, a second station and a third station are sequentially arranged on the walking track, the second station and the feeding and conveying device are correspondingly arranged side by side, and the supporting