A narrow gap submerged arc welding torch

Abstract

The invention relates to the technical field of arc welding torches, in particular to a narrow-gap submerged arc welding torch, including a spray gun, one end of the spray gun is fixedly connected with a spray welding mechanism, the other end of the spray welding mechanism is provided with a rotating mechanism, and the outer side of the rotating mechanism is provided with a The swing mechanism drives the rotating rod at one end to rotate through the set rotating handle. When the rotating rod rotates, it drives the beam barrel and the gear in the same direction to rotate. The beam barrel releases the steel rope wound on the surface, and the gear drives the ring rack to rotate. The ring rack Drive the gear at the other end to rotate, and the gear at the other end drives the rotating rod in the same direction to rotate, so that the wire harness at the other end receives the steel rope, and then one of the two steel ropes pulls the spray-welded pipe and the other releases the spray-welded pipe, and then The spray welding pipe swings through the ball, and it is more necessary to adjust the bending angle of the spray welding pipe, so as to prevent the operator from shaking the nozzle of the spray gun in order to meet the shaking of the weld seam, effectively preventing the welding seam from being affected. Seam welds are not secure.

Description

technical field [0001] The invention relates to the technical field of arc welding torches, in particular to a narrow gap submerged arc welding torch. Background technique [0002] Narrow gap welding is an advanced technology in the field of thick plate welding. Compared with ordinary groove submerged arc welding, narrow gap welding has incomparable advantages, such as narrow groove and less weld metal filling, which can save A large number of welding consumables and welding hours, due to the low heat input during narrow gap welding, the structure of the weld metal and heat-affected zone is significantly refined, thereby improving its mechanical properties, especially plasticity and toughness. [0003] When the existing arc welding torch welds materials, the high-temperature flame ejected from the arc welding torch needs to face the weld seam, and the materials at the weld seam are mixed together by melting the weld seam through the high-temperature flame, and the fixing can...

AI Technical Summary

Problems solved by technology

[0003] When the existing arc welding torch welds materials, the high-temperature flame ejected from the arc welding torch needs to face the weld seam, and the materials at the weld seam are mixed together by melting the weld seam through the high-temperature flame, and the fixing can be completed after cooling. When the welding torch is welding a round pipe, the weld seam of the round pipe is circular. In order to make the nozzle of the welding torch face the weld seam, it is necessary to turn the welding torch so that the nozzle of the welding torch is always facing the weld seam, and the operator needs to rotate the body synchronously when turning the welding torch , it may cause the shaking of the hand to drive the nozzle of the spray gun to shake, which will affect the welding of the weld and make the welding of the weld weak

Images