Follow-up sliding narrow gap type submerged arc welding device

Abstract

The invention relates to the technical field of narrow gap type submerged arc welding devices, and particularly relates to a follow-up sliding narrow gap type submerged arc welding device. The devicecomprises a barrel body, wherein a supporting plate is positioned at the rear side of the barrel body, and a bottom plate is arranged at the lower end of the supporting plate; a welding gun is arranged in the middle part of the lower end of the barrel body; sliding blocks are propped to the inner wall of a welding seam; two telescoping barrels are separated from each other under the effect of an elastic part, and extruding power is ensured, so that the welding seam can be extruded by the sliding blocks; the welding gun faces the middle part of the welding seam; racks are arranged on the telescoping barrels, and the two racks are connected through a gear; in case of a bump, the sliding block at one side of the bump is extruded and inwards moves, and one rack is driven to move to drive the gear, and thus another rack is driven; the two sliding blocks are synchronously contracted, thus the welding gun is kept between the two sliding blocks all the time, and the welding gun faces the middle part of the welding seam, and as a result, the welding quality is ensured; the mechanical transmission is performed, and intelligent elements are avoided, so that the reliability and the accuracy are high; and the welding quality is improved.

Description

technical field [0001] The invention relates to the field of narrow gap submerged arc welding devices, in particular to a follow-up sliding narrow gap submerged arc welding device. Background technique [0002] During the welding process, it is necessary to process a groove on the welding part of the workpiece to be welded first, and then perform welding. During the welding process, the groove will be filled with welding materials. Since the larger the groove is, the more welding consumables are consumed for welding the workpiece per unit length. Therefore, in order to reduce the consumption of welding consumables, the angle of the groove is smaller for thicker workpieces to be welded, but the smaller the groove, The more inconvenient it is to weld, in order to more conveniently weld workpieces with larger thickness, narrow gap submerged arc welding machines have been produced at present, but due to the relatively small groove angle, it is difficult for the current narrow ga...

AI Technical Summary

Problems solved by technology

Since the larger the groove is, the more welding consumables are consumed for welding the workpiece per unit length. Therefore, in order to reduce the consumption of welding consumables, the angle of the groove is smaller for thicker workpieces to be welded, but the smaller the groove, The more inconvenient it is to weld, in order to more conveniently weld workpieces with larger thickness, narrow-gap submerged arc welding machines have been produced at present, but due to the relatively small groove angle, it is difficult for the current narrow-gap submerged arc welding machines to ensure good welding performance During the process, the distance between the welding torch and the two sides of the groove is always constant, so that the straightness of the weld bead cannot be guaranteed, thus resulting in poor welding quality

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