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Automatic welding-torch for ultra narrow gap and consumable electrode under gas coverage, and preparation method

An automatic technology for melting electrode gas and protection, applied in other manufacturing equipment/tools, manufacturing tools, welding equipment, etc., can solve the problems of concentricity, watertight and airtight quality of section joints, and insulators that reduce insulation reliability and disadvantages Solve problems such as metallurgical protection in the welding area, achieve reliable metallurgical protection, improve insulation reliability, and increase the effect of structural size

Inactive Publication Date: 2005-03-30
武汉卓创智能设备有限公司
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Problems solved by technology

Summarizing the existing technologies at home and abroad, there are the following limitations: 1. There is no known thickness less than 5 mm that can meet the requirements of continuous operation under large welding current during ultra-narrow gap metal gas shielded welding, and can be used in full fluid / solid transmission. In the height direction, it is an ultra-narrow gap melting electrode gas-shielded automatic welding torch that integrates conduction / gas conduction / guide wire / circulation water conduction / reliable electrical insulation and is made of integral materials; it is manufactured by a segmented method and has concentricity, The watertight and airtight quality of the section joints is difficult to guarantee, and the yield is low; 2. Installing insulating needle rollers on the surface in the thickness direction of the extremely thin welding torch is difficult in engineering, and the insulators that are too small in size reduce the insulation reliability; 3. Setting the gas guide channel away from the centroid of the section is not conducive to the metallurgical protection of the welding area

Method used

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  • Automatic welding-torch for ultra narrow gap and consumable electrode under gas coverage, and preparation method
  • Automatic welding-torch for ultra narrow gap and consumable electrode under gas coverage, and preparation method
  • Automatic welding-torch for ultra narrow gap and consumable electrode under gas coverage, and preparation method

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Embodiment Construction

[0014] Such as Figure 1 to Figure 6 As shown, the present invention has an ultra-narrow-gap gas-shielded automatic welding torch, which consists of a guide wire assembly 1, a gas guide assembly 2, and a guide wire assembly made of thick-walled pipes without weld seams in the full height direction of fluid / solid transmission. The water component 3, the side wall component 4, the insulating component composed of the embedded insulator 6 or / and the rolling insulator 9, and the contact tip 10; The air component 2 and the side wall component 4 are adjacent to the outer side of the water guide component 3, and the insulating component is arranged on the left and right outermost sides in the width direction of the welding torch, and the maximum thickness of the welding torch working section is 7 mm; when the maximum thickness of the welding torch working section is 5 mm is An embodiment, 4 mm is also an embodiment, it can also be 3 mm; the embedded insulator 6 and the rolling insula...

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Abstract

An automatic welding torch for the gas shielded welding of ultranarrow gap by use of consumable welding electrode is composed of wire guiding unit, gas guiding unit, water guiding unit, side wall, insulating unit and electric conducting tip. Its making technology includes preparing raw materials, shaping each unit, soldering, treating the soldered seam, assembling, fixing, soldering in fernace, air and water tightness test, trimming, and surficial insulation treating.

Description

technical field [0001] The invention relates to an ultra-narrow gap melting electrode gas shielded automatic welding torch and a manufacturing method thereof, belonging to the field of welding technology. Background technique [0002] Since the invention of narrow gap welding technology in the 1960s, as an advanced welding technology with high quality, high productivity and low production cost, it has been highly valued by industries and welding technology circles all over the world. So far, many narrow-gap welding technologies have been invented, such as: 1. Kazuki Kusano, Hiroshi Watanabe, The latest research trend of high-efficiency TIG welding-fast TIG welding and ultra-narrow groove TIG welding, Fusion Technology, 2002.4; 2. Nakamura Terumi, Hiraoka Kazuo, Weld Formation Characteristics under Narrower Gap Conditions and Ultra-Narrow Gap New Welding Process Plan, Proceedings of Welding Society, Volume 19, No. 1, P44-53, 2001; 3. Japan Welding Society Co-translated by Yi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K1/00B23K1/008B23K9/173B23K9/24B23P23/04C23C4/12
Inventor 张富巨章少华张国栋
Owner 武汉卓创智能设备有限公司
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