Fuente: WIPO "varroa" A feeding mechanism for a labeling machine comprises a workbench, a conveying line and a material transferring device fixed to the workbench, the material transferring device comprises a material transferring base, one side of the material transferring base is fixedly connected with an air cylinder, the air cylinder is connected with a rack, the rack is slidably connected with the material transferring base and meshed with a first gear, and an intermediate shaft of the first gear is connected with the material transferring base; the material transferring base intermediate shaft is fixedly connected with a right-angle base, the right-angle base is rotationally connected with a second bevel gear, the second bevel gear is meshed with an incomplete bevel gear, the incomplete bevel gear is fixedly connected with the material transferring base, and the outer side of the second bevel gear is fixedly connected with a conversion device and a clamping device. The movable block is connected with the conversion base and the reversing shaft in a sliding mode, the conversion base, the reversing shaft and the movable block are connected through springs, a positioning device for controlling the position of the movable block is arranged on the lower portion of the conversion base, and the device is suitable for transferring and conveying labeling materials between different stations of a workshop.