Annular numerical control electric welding machine

Abstract

An annular numerical control electric welding machine comprises a plurality of arc welding blocks. An annular shape is defined by the arc welding blocks. The arc welding blocks are provided with output openings. The output openings are a plurality of hollow small holes arranged in order. The arc welding blocks are hollow shells. Each shell is divided into two layers, wherein the inner layer is made of tungsten, and the outer layer is made of aluminum. Each arc welding block comprises a left arc block and a right arc block which are connected together. Sliding mechanisms are connected to the middles of the arc welding blocks. Tin feeding mechanisms are arranged on the left arc blocks and the right arc blocks. The sliding mechanisms and the tin feeding mechanisms are fixed to a rotating plate through a plurality of fixing rods. The annular numerical control electric welding machine has the following beneficial effects that two round pipes are in accurate butt joint, full-automatic welding and tin solder adding are achieved, and the annular numerical control electric welding machine is suitable for large round pipes of various diameters.

Description

technical field [0001] The invention belongs to the field of welding, and in particular relates to a circular numerical control electric welding machine. Background technique [0002] At present, when a large-sized workpiece is placed on a metal shaft for girth welding, for example, when welding between two round pipes, manual operations are generally adopted. At this time, it is necessary to use tooling to fix the workpiece, and then the worker welds it around the metal shaft. In this way, the workers move in circles while welding, and the size of the workpiece is large, which is very unfavorable for operation, and it is difficult to ensure the welding quality. [0003] Usually, with the existing manual welding, the appearance of the weld seam is not beautiful, and the weld seam is unavoidably not straight, and welding defects such as uneven weld width, undercut, burn-through, and incomplete penetration are prone to occur, and due to The diameter of the workpiece is diffe...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a ring-shaped numerical control electric welding machine to solve the problems of welding difficulty after butt joint of two round pipes, uncontrollable weld size and uneven weld seam

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