Variable-pitch feeding device

The utility model relates to the technical field of battery processing, and particularly discloses a variable-pitch feeding device which comprises a material guiding frame, the material guiding frame is provided with a material guiding groove allowing next workpieces to pass through, one side of the material guiding groove is provided with a plurality of front through grooves distributed at intervals, and the other side of the material guiding groove is provided with a plurality of rear through grooves. A rear through groove is formed in the position, corresponding to each front through groove, of the other side of the material guiding groove. The material pushing mechanism is located on the side, provided with the front through grooves, of the material guiding frame; the material receiving mechanism is located on the side, provided with the rear through grooves, of the material guiding frame. And the material pushing mechanism has an extending state for pushing part of the workpieces to be received by the ma