Belt conveying structure with tension adjusting function and used for conveying photovoltaic cells

The utility model discloses a belt conveying structure with a tension adjusting function and used for conveying photovoltaic cells, and relates to photovoltaic cell production tools. Comprising a main conveying frame body, a sliding tensioning frame and a telescopic driving mechanism, one end of the main conveying frame body is rotationally connected with a first guide roller and a first tensioning roller, the first tensioning roller is located below the first guide roller, and the other end of the main conveying frame body is provided with a sliding guide part; the sliding tensioning frame is in sliding connection with the sliding guide part, the end, away from the main conveying frame body, of the sliding tensioning frame is rotationally connected with a second guide roller and a second tensioning roller, and the second guide roller and the second tensioning roller correspond to the first guide roller and the first tensioning roller correspondingly; the telescopic driving mechanism is installed at the end,