Squeezing device for paper machine

The utility model discloses a squeezing device for a paper machine. The squeezing device comprises a frame, a cleaning assembly, a flow guide assembly and a negative pressure roller. Shaft brackets are oppositely fixed to the front side and the rear side of the bottom end of the frame, the shaft brackets are sequentially provided with extrusion roller sets, air rods and second rotating shafts from left to right, the two second rotating shafts are vertically opposite, the middles of the second rotating shafts are fixedly sleeved with guide rollers, and air spraying holes communicated with the air rods are formed in the upper sides of the middles of the air rods. A compression roller is rotationally connected between the shaft brackets above the air rod, a servo motor is fixed on the rear side of each shaft bracket, and an output shaft of each servo motor is fixedly connected with the rear end of the corresponding compression roller; the cleaning assembly is arranged between the two shaft brackets, and the clea