Scraper for production of blended fertilizer

The utility model discloses a scraper for producing a blended fertilizer, which comprises a shell, transmission rollers are symmetrically arranged on two sides in the shell, a conveyor belt for conveying the fertilizer is arranged on the surfaces of the transmission rollers, when the device normally conveys the fertilizer, the transmission rollers drive the conveyor belt to move so as to convey the fertilizer, and the scraper further comprises a scraping assembly and a tensioning assembly, the material scraping assembly is used for scraping off fertilizer adhered to the inner side of the conveying belt, the fertilizer adhered to the inner side of the conveying belt can be quickly scraped off, the situation that the fertilizer on the inner side of the conveying belt is adhered to the outer wall of a transmission roller in the moving process, and consequently the device cannot operate normally is avoided, and waste of the fertilizer can be avoided. And the tensioning device is used for tensioning the conveying