Pipe cutting device for hardware and building material processing

The invention discloses a pipe cutting device for hardware and building material processing. The pipe cutting device for hardware and building material processing comprises a cutting machine body anda processing table, wherein a slide groove is formed in the top of the processing table; a V-shaped clamping block is arranged in the slide groove in a manner of slide connection; an adjustment plateis arranged at one side of the V-shaped clamping block; the adjustment plate is slidably connected with the processing table; the V-shaped clamping block comprises a left clamping block and a right clamping block; a left slide block is arranged at the bottom of the left clamping block in a manner of fixed connection; a right slide block is arranged at the bottom of the right clamping block in a manner of fixed connection; a left connection rod is arranged at the bottom of the left slide block in a manner of rotational connection; a rotary body is arranged at one end of the left connection rodin a manner of rotational c