Anti-tempering cutting torch

Abstract

The invention discloses an anti-tempering cutting torch, and belongs to the technical field of metal cutting tools. The anti-tempering cutting torch comprises a cutting torch main body, and the cutting torch main body is provided with a gas pipe and a cutting oxygen pipe. The tail ends of the gas pipe and the cutting oxygen pipe are connected with the cutting torch main body, and the head ends ofthe gas pipe and the cutting oxygen pipe are connected with a cutting nozzle part. The gas pipe comprises a jet suction connecting pipe, a jet suction pipe and a mixing gas pipe which are arranged inthe gas pipe and sequentially connected from tail end to head end, the head end of the jet suction pipe is provided with a limiting ring, a distance is reserved between the jet suction pipe and the inner wall of the gas pipe to be used as an oxygen hole channel, the pipe wall of the jet suction pipe is further provided with a transverse hole for gas entering, and the transverse hole is close to the limiting ring. A method that in a traditional jet suction cutting torch, mixing is carried out at the rear end of a gas pipe, and long-distance gas supply is carried out is abandoned, oxygen and acetylene are mixed at the front end of the gas pipe, mixed gas supply distance is reduced, the problem that a traditional jet suction cutting torch is prone to tempering is solved, and safety is improved.

Description

technical field [0001] The invention belongs to the technical field of metal cutting tools, and in particular relates to a flashback-resistant cutting torch. Background technique [0002] As an indispensable process for steel cutting, gas cutting has been used since the 1950s. The commonly used gas cutting tools include jet-suction torch and isobaric torch. The isobaric cutting torch adopts a single gas supply method, which has the advantage of high safety, but the oxygen and gas are directly mixed, and the pressure difference between the two gases is relatively large. When mixing, it is difficult to adjust to a suitable At the same time, the equal-pressure cutting torch and cutting nozzle have high processing requirements and high use costs. The jet-suction cutting torch is designed to solve the difficulty of mixing two fluids with pressure difference. However, the traditional jet-suction cutting torch adopts the structure of long-distance transmission after mixing oxygen ...

AI Technical Summary

Problems solved by technology

The isobaric cutting torch adopts a single gas supply method, which has the advantage of high safety, but the oxygen and gas are directly mixed, and the pressure difference between the two gases is relatively large. When mixing, it is difficult to adjust to a suitable At the same time, the processing requirements of the isobaric cutting torch and cutting nozzle are high, and the cost of use is high

The jet-suction cutting torch is designed to solve the difficulty of mixing two fluids with pressure difference. However, the traditional jet-suction cutting torch adopts the structure of long-distance transmission after mixing oxygen and gas, resulting in easy tempering and safety. Disadvantages of low sex

Images