Pasting machine

The utility model relates to a pasting machine which comprises a pasting roller, a pressing roller, a driving device, a machine frame and a box body which is fixed to the machine frame and provided with a glue groove, the pasting roller and the pressing roller are parallel in the axial direction and are rotationally connected to the machine frame, the driving device is used for driving the pasting roller and the pressing roller to rotate, the pressing roller is located above the pasting roller, and the glue groove is formed in the box body. The bottom end of the pasting roller is located in the glue groove, a glue discharging pipe is arranged on the box body, the two ends of the glue discharging pipe are communicated with the outside and the bottom end of the glue groove respectively, and a valve used for controlling connection and disconnection of the glue discharging pipe is arranged on the glue discharging pipe and located on the outer side of the box body. After the pasting machine stops working, an opera