Light scraper with built-in spare blade

The utility model discloses a spare blade built-in type light scraper, and particularly relates to the field of scrapers, the spare blade built-in type light scraper comprises a blade storage frame, the top of the blade storage frame is provided with a limiting type positioning frame cover, the top of the limiting type positioning frame cover is provided with a supporting type holding arm, and the blade storage frame is of a hollow structure. The bottom of the blade storage frame is connected with a blade outlet, a plurality of prefabricated stacked blades are placed in an inner cavity of the blade storage frame in a stacked mode, the thickness of the inner cavity of the blade outlet is larger than the thickness of a single prefabricated stacked blade, and the thickness of the inner cavity of the blade outlet is smaller than the thickness of two stacked prefabricated stacked blades. A new prefabricated stacked blade is obtained through replacement, the connection type paper tape is scratched from right to lef