Cutting mechanism of paper tape machine

The utility model relates to the technical field of paper tape machines, and discloses a cutting mechanism of a paper tape machine, which comprises a paper bag machine body, and a cutting component is slidably mounted at the bottom of a cross rod; a positioning part is slidably mounted at the top of the body; the cutting component comprises an electric cylinder, a tool bit is fixedly installed at the end of a piston rod of the electric cylinder, the tool bit can move upwards or downwards through telescopic movement of the piston rod of the electric cylinder, and the paper tape popped out of the tape outlet notch can be cut off when the tool bit moves downwards. According to the paper tape cutting device, materials are placed on the positioning part, an operator binds the materials through the popped paper tape, after the positioning part corresponds to the cutting part through sliding adjustment of the positioning part, the electric cylinder drives the tool bit through stretching and retracting of the piston