Drawing display device with flattening mechanism

The utility model provides a drawing display device with a flattening mechanism, which belongs to the technical field of architectural drawings and is provided with a display board, the display board is a square straight display board which is fixed together through an opening and closing mechanism, and a drawing fixing mechanism is mounted on the left side of the square straight display board. A drawing unfolding and flattening mechanism is slidably installed on the bottom edge of the display board, handles are installed on the two sides of the display board, and the handles and the support can be detachably installed together. The drawing fixing mechanism is used for fixing one side of a drawing rolled into a barrel shape and comprises a rotating shaft, a pressing roller and a buckle. The drawing unfolding and flattening mechanism is used for spreading the drawing rolled into the barrel shape and comprises a sliding rail, a sliding block and a spreading roller, the sliding rail is embedded in the bottom edg