Screw frame

The utility model discloses a screw frame. Each storage layer comprises a fixing ring, a linear bearing and a circular tray. The fixed ring is fixedly connected with the central shaft; the linear bearing is sleeved with the linear bearing and supported by the fixing ring, the tray is provided with a plurality of containing grooves with upward openings and a center hole, the containing grooves areused for storing screws, the linear bearing is sleeved with the tray center hole, and the tray is fixedly connected with the linear bearing so that the tray and the linear bearing can rotate relativeto the axis of the center shaft. A plug pin hole is formed in the position, close to the upper end of the linear bearing, of the center shaft and provided with a limiting piece used for preventing thetray from moving upwards, and an end cover is arranged at the top end of the center shaft and used for covering the tray of the top storage layer. In actual use, screws of different specifications can be stored on the trays of