Combined support

The utility model discloses a combined type support, which relates to the technical field of supports and comprises a support body, fixing blocks are symmetrically arranged at the inner end of the support body, trays are mounted on the sides, close to each other, of the fixing blocks, clamping blocks are fixedly connected to the outer sides of the trays, slideways matched with the clamping blocks are arranged in the fixing blocks, and the slideways are connected with the fixing blocks. And connecting grooves are symmetrically formed in the tray, connecting rods are inserted into the connecting grooves, and the front faces of the connecting rods penetrate through the inner walls of the connecting grooves and are connected through connecting plates. Through the arrangement of the connecting plate and the scraping plate, after use, a worker can pull the connecting plate to drive the scraping plate to be stressed to slide in the tray, so that materials on the upper surface of the tray can be scraped together to p