Acetylene cutting device for circular spare-part

The utility model discloses an acetylene cutting circular component device used for cutting flame, comprising a base, a bearing, a magnet, a core clamper, a rotary body, a screw, a transverse rod, a socket sleeve, etc. The magnet and the bearing are arranged in the step hole of the base, and the rotary body is arranged in the holes of the bearing and the magnet. The rotary body is provided with an axial hole, and a spring and the core clamper are arranged in the hole. The transverse rod is arranged on the upper part of the rotary body, and the socket sleeve of the end part of the rotary body is provided with the acetylene cutter. While in operating, the acetylene cutter is fixed on the blank of the steel plate depending on the utility model and positioned through the core clamper, and work is steady. The positioning is reliable, rotation is flexible and portable, and the acetylene cutter only needs one person to operate.