Plastic pipe bevel cutting device

The utility model relates to the technical field of cutting equipment, in particular to a bevel cutting device for plastic pipes, which is characterized in that a cutting cavity and a dust collecting cavity positioned below the cutting cavity are arranged in a box body, through holes are formed in two opposite sides of the box body corresponding to the cutting cavity, and two fixing mechanisms are arranged in the cutting cavity at an interval; the two fixing mechanisms are used for fixing the plastic pipe penetrating through the cutting cavity through the two through holes, the cutting mechanism comprises a telescopic part arranged in the cutting cavity, a cutting part connected with the telescopic part and a driving part, the telescopic part is used for driving the cutting part to make contact with the plastic pipe, and the driving part is used for driving the telescopic part to rotate; the cutting angle between the cutting piece and the plastic pipe is adjusted; the dust collection mechanism comprises a dus