Flattening device for bookbinding, which can effectively prevent paper from deflecting

The utility model discloses a flattening device for bookbinding, which can effectively prevent paper from deflecting. Compression platform, a lifting column is fixed at the top end of the pressing platform; the output end of the hydraulic rod is connected with an extrusion panel; a pressed box is fixed on the inner side of the lifting column; a screw rod is arranged in the pressed box; the middlepart of the screw rod is connected with a first deviation rectifying block; an electric telescopic rod is fixed to the lower portion of the lead screw. And an ejection block is connected to the outputend of the electric telescopic rod, an adjusting panel is mounted in the rear side of the pressed box, a second driving motor is fixed to the rear side of the first driving motor, a mounting block isconnected to the upper portion of the vibration block, and a conveying shaft is mounted in the upper surface of the conveying panel. According to the flattening device capable of effectively preventing paper deflection for boo