Welding method for grid composite plates

A welding method and composite board technology, applied in welding equipment, arc welding equipment, manufacturing tools, etc., can solve the problems of affecting product appearance, quality, service life, hot-dip galvanized layer burning and oxidation, and low production efficiency, so as to improve the appearance Effects on quality and longevity, eliminating waste, and improving consistency

Inactive Publication Date: 2012-06-20
XINXING DUCTILE IRON PIPES CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

The disadvantages of this welding production method are: 1. Repeated operations lead to low production efficiency
Second, after the integration of welding, the hot-dip galvanized layer at

Method used

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  • Welding method for grid composite plates
  • Welding method for grid composite plates
  • Welding method for grid composite plates

Examples

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[0019] The invention specifically relates to a welding method for a grid composite plate. The pattern plate and steel grating that have not undergone pre-plating treatment are integrated and welded by gas shielded welding. First, the pattern plate and the steel grating are superimposed and positioned at the center position. Spot welding is carried out, and then longitudinally from the middle to the two ends in a spreading manner, transversely with three flat steels and one crossbar spaced apart for welding forming, and finally the pattern plate and the steel grating are welded; after the welding is completed , Galvanize the grid composite board.

[0020] The steel grating 10 is a frame structure composed of flat steel. The internal grid is the main flat steel, and the outer edging is edging flat steel. In the integrated welding process, except for the outermost main flat steel and edging flat steel Except that it can be welded to the checkered plate 9, the rest can only be welded...

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Abstract

The invention discloses a welding method for grid composite plates, which realizes integration welding for a checkered plate and a steel grating plate in a gas shielded welding before preplating. The welding method includes firstly, overlaying the checkered plate and the steel grating plate, determining positioning spots at centers of the checkered plate and the steel grating plate, and realizing spot welding; secondly, carrying out welding forming in a mode that welding spots are longitudinally scattered from the middle to two ends of the checkered plate and are spaced mutually by three flat steel pieces and one transverse rod; and thirdly, welding peripheries of the checkered plate and the steel grating plate, and galvanizing a grid composite plate after welding is completed. By the aid of the welding method, on the premise of guaranteeing the strength of the integral grid composite plate, the welding spots and welding frequencies are reduced to the greatest extent, practicality and attractiveness of an integral structure are guaranteed, the quality of the appearance of a product can be effectively improved, the service life of the product can be effectively prolonged, and accordingly problems of poor quality of appearances of products and low production efficiency due to traditional process are solved.

Description

technical field [0001] The invention relates to the field of processing a grid composite plate, in particular to a welding method for a grid composite plate. Background technique [0002] The grid composite panel is a steel product in which flat steel is arranged crosswise according to a certain interval and cross bars, and welded into a square grid in the middle. It is mainly used as a drain cover, a steel structure platform plate, and a step of a steel ladder board etc. The grille composite panel is generally made of carbon steel, and the appearance is hot-dip galvanized, which can prevent oxidation. It can also be made of stainless steel. It has ventilation, lighting, heat dissipation, anti-skid, explosion-proof and other properties, and has high structural strength. The advantages of light weight, steel saving, and convenient installation are widely used in ladder structures. [0003] There are strict technical requirements and precision requirements in the manufacture...

Claims

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Application Information

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IPC IPC(8): B23K9/16C23C2/06
Inventor 韩振强李建成
Owner XINXING DUCTILE IRON PIPES CO LTD
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