Automatic wallpapering machine

The invention provides an automatic wallpapering machine including a guide rail frame located on both sides and a sliding frame; the guide rail frame is provided with a transmission mechanism; the bottom of the guide rail frame is provided with a fixed structure; the sliding frame is provided with a wallpaper unwinding roller, a pasting film winding roller and a press roller; the pasting film winding roller is provided with chucks for clamping a pasting film; the pasting film winding roller is controlled to rotate by a first drive motor; the guide rail frame is provided with a position limiting sensor; the sliding frame is provided with a cutting mechanism; the position limiting sensor is connected with a controller; the controller is respectively connected with the transmission mechanism, the first drive motor and the cutting mechanism; the guide rail frame is fixed with a wall surface; the transmission mechanism drives the sliding frame to slide for pasting wallpaper; the pasting film at the back of the wallpaper is clamped tightly by the chunks of the pasting film winding roller and is collected by the pasting film winding roller; the press roller allows the wallpaper and the wall surface to be pressed and stuck firmly, the wallpaper is pasted to a certain position, the position limiting sensor sends a signal to the controller, the transmission mechanism and the first drive motor stop operation, the cutting mechanism cuts off the wallpaper, and the pasting efficiency is high.