Pre-feeding gap eliminating device of metal cylinder welding machine

Abstract

The invention discloses a pre-feeding gap eliminating device of a metal cylinder welding machine. The device comprises an upper conveying mechanism and a lower conveying mechanism, wherein the upper conveying mechanism and the lower conveying mechanism are fixedly arranged on a fixing seat, the upper conveying mechanism and the lower conveying mechanism respectively comprise two rows of chains and roller wheels, the chains are driven by a driving mechanism to synchronously run, the roller wheels are arranged on the chains and rotate around roller wheel shafts, the roller wheels are driven by the chains to do linear movement and also do radial rotation around the roller wheel shafts, and the roller wheels of the upper conveying mechanism are provided with positioning grooves which are used for positioning the crimping openings of the conveyed cylinders. When the two adjacent cylinders with a gap are conveyed between the upper conveying mechanism and the lower conveying mechanism, the gap between the end surfaces of the two metal cylinders is eliminated under the action of the friction force between the roller wheels and the metal cylinders. The pre-feeding gap eliminating device has the advantage that the continuous welding can be realized by the metal cylinder welding machine, and the arc starting and arc stopping notches are avoided on the continuous middle non-gap end surfaces of the metal cylinders, so the welding efficiency is improved, and the material loss is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field related to welding machines, and in particular relates to a pre-feed seam eliminating device for a special welding machine for metal cylinders. Background technique [0002] At present, a metal cylinder with a certain length is the most commonly used component base in various manufacturing and processing industries. It is widely used in food packaging, industrial manufacturing, especially in the compressor industry and other manufacturing industries. There are two methods for processing and welding existing metal cylinders: [0003] The first processing and welding method of the metal cylinder is the continuous pipe welding method, that is, the whole roll of metal material is first rolled into a cylindrical tube, and then the coiling mouth of the metal cylindrical tube is welded to make a tube with the same length as the original metal tube. Metal seamless pipes with the same material length are then sawed...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the embodiment of the present invention is to provide a pre-feed seam elimination device for a metal cylinder welding machine, which aims to solve the problem that the existing metal cylinder welding method will produce arc starting and arc closing gaps at both ends of each cylinder, Increased material loss issues

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