Novel vacuum couch roll

The utility model relates to the technical field of paper making devices, and discloses a novel vacuum couch roll which comprises a supporting plate, a vacuum couch roll body is arranged on one side of the supporting plate, a notch is formed in the vacuum couch roll body, a movable block is slidably connected into the notch, a protective sleeve is fixedly connected to one side of the movable block, and the protective sleeve is fixedly connected to the other side of the movable block. A fixing rod is in threaded connection with the interior of the protective sleeve and extends into the vacuum couch roll body. The vacuum couch roll has the advantages that the outer wall of the vacuum couch roll body is covered with the protective sleeve, then the fixing rod is in threaded connection with the protective sleeve and the interior of the vacuum couch roll body, then the protective sleeve can be fixed to the outer wall of the vacuum couch roll body, the protective sleeve makes contact with materials and impacts the m