Screen frame fixing structure

The utility model discloses a screen frame fixing structure. The utility model relates to the field of screen frame fixing. The problem that the screen angle is inconvenient to change after fixation in the prior art is solved. Proposed now is the following scheme, the device comprises a fixed frame with a U-shaped structure, the inner walls of the two sides of the fixing frame are each rotationally connected with a supporting base of a U-shaped structure. Connecting plates are welded to the back faces of the two supporting bases. The connecting plate is in threaded transmission connection witha fixing bolt fastened to the inner wall of the fixing frame. A vertically arranged screen frame is movably clamped in the two supporting seats; movable plates slidably connected to the inner walls of the two sides of the fixed frame are arranged above the two ends of the top of the screen frame. According to the screen frame fixing device, a screen frame can be conveniently positioned, installedand fixed, meanwhile, the