Retreating synchronous feeder

The utility model relates to the technical field of labeling machines, in particular to a retreating synchronous feeder, which comprises a fixture, a feeding shaft, a receiving reel, a retreating synchronous stripping mechanism and a label outlet platform, and a vacuum guide mechanism is arranged on the fixture between the feeding shaft and the retreating synchronous stripping mechanism. The retreating synchronous stripping mechanism comprises a guide rail, a sliding base arranged on the guide rail in a sliding mode, a stripping knife fixed to the top of the sliding base, and a material pulling rolling shaft set fixed to the sliding base and located below the stripping knife. The portion, located on the rear side of the sliding base, of the fixture is provided with a lead screw driving assembly driving the sliding base to move back and forth along the guide rail. According to the utility model, the stripping knife and the material pulling roller group are arranged on the same moving structure, when feeding is