Plasma cutting machine

The utility model discloses a plasma cutting machine. Box body, mounting blocks are fixedly connected to the four corners of the bottom wall of the box body. And a sliding groove is formed in the center of the bottom wall of the mounting block, fixing rods are slidably connected into the sliding groove, a roller is rotatably connected between the two fixing rods on the same side, first grooves aresymmetrically formed in the middles of the two sides of the top wall of the box body, and the same first mounting groove is formed in the bottom walls of the two first grooves. The utility model is advantageous in that the structure is simple, mobile design, armrest, facilitating movement of push device body, an independent rechargeable power supply is arranged to supply power to the cutting device, the overall convenience is good, in addition, a heat dissipation device is arranged to remove waste heat generated by the cutting device of the device body during work, a damping mechanism is arranged to reduce vibration