Angle-adjustable drawing board frame

The utility model relates to the technical field of building design, and discloses an angle-adjustable drawing board frame which comprises a drawing board, a bottom board and four telescopic columns, sliding rods are fixedly arranged on the front end face and the rear end face of the drawing board, and adjusting boards are movably arranged at the two ends of the outer surfaces of the two sliding rods in a sleeved mode. Fixing mechanisms are clamped to the front ends and the rear ends of the upper end faces of the two adjusting plates, a sliding groove is formed in the center, close to the rear end, of the upper end face of the bottom plate, a screw penetrates through the center, close to the upper end, of the front end face of the bottom plate, the outer surface, close to the rear end, of the screw is sleeved with an adjusting block in a threaded mode, and a connecting rod is rotationally arranged at the upper end of the adjusting block. According to the drawing board frame, a user can move the adjusting plat