Return knife for screen printing machine and screen printing machine

The utility model belongs to the field of manufacturing of photovoltaic cells, and particularly relates to a material returning knife for a screen printing machine and the screen printing machine. The material returning cutter comprises a cutter body and a cutter handle; the cutter body comprises a working surface for gathering slurry; the cutter handle comprises a first end used for being connected with a printing machine head, a second end connected to the cutter body and a middle section connected with the first end and the second end. The middle section is folded relative to the first end in the direction away from the working face, so that the working face and the first end are distributed at intervals in the direction perpendicular to the working face. The material returning cutter comprises the cutter handle with the middle section, and the cutter handle increases the distance between the working face and the scraper under the condition that the structure of the printing machine head is not changed. In