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A welding torch system and welding method suitable for welding medium and thick plates

A technology of welding torch and welding torch clamp, which is applied in the field of welding torch system for medium and thick plate welding, which can solve the problems of low welding efficiency, poor welding performance, slag leakage and molten iron leakage, etc. Forming beautiful effect

Active Publication Date: 2020-12-11
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, manual arc welding is highly random and relies too much on the skills and proficiency of welding workers, resulting in poor welding performance; submerged arc welding mostly uses granular flux, which is prone to welding defects such as pores, cracks, and slag inclusions; electroslag welding is easy Welding defects such as local lack of fusion, intermittent welding leakage, slag leakage and molten iron leakage; FCB welding is prone to welding defects such as reverse forming, cracks, and pores
And, these welding methods all have the defective that welding efficiency is low

Method used

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  • A welding torch system and welding method suitable for welding medium and thick plates
  • A welding torch system and welding method suitable for welding medium and thick plates
  • A welding torch system and welding method suitable for welding medium and thick plates

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0077] Embodiment 1: This embodiment provides a high-efficiency welding torch system suitable for welding medium and thick plates, and the system includes a twin-wire welding torch assembly 11 and a welding torch clamp 2 .

[0078] See figure 1 , the above-mentioned twin-wire type welding torch assembly 1, which includes a welding torch seat 11, a fixing fixture 12, a welding torch barrel 13 and a welding torch head 14;

[0079] See figure 2 , the first fixed plate 21, the seat plate 22, the sliding seat 23, the welding torch connecting body 24, the lifting screw 25, the pressure plate 26, the first hand wheel 27, the flange connecting body 28 and the second hand wheel of the welding torch fixture 2 29; Specifically, the first fixing plate 21 of the welding torch clamp 2 is vertically connected with the seat plate 22, the sliding seat 23 of the welding torch clamp 2 is assembled in the rail slide groove of the seat plate 22, and the second fixing plate 21 of the welding torc...

Embodiment 2

[0081] Embodiment 2: A welding method for butt welding a 30 mm thick steel plate using a high-efficiency welding torch system.

[0082] This embodiment provides a welding method, using the welding system described in Embodiment 1 to implement the welding method, the method includes the following steps:

[0083] (1) Adjust the horizontal distance between three double-wire welding torches through the second hand wheel behind the sliding seat plate, the horizontal distance between adjacent double-wire welding torches is equal, and uniformly adjusted to 200mm;

[0084] (2) By turning the first handwheel above the first fixing plate, adjust the vertical distance between the three double-wire welding torches, the vertical distance between adjacent double-wire welding torches is equal, and uniformly adjusted to 10mm;

[0085] (3) By adjusting the angles of the three twin-wire welding guns, keep them on a horizontal line, and the welding torch heads of the three twin-wire welding guns...

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Abstract

The invention discloses a welding gun system suitable for medium thick plate welding. The welding gun system comprises welding gun assemblies and a welding gun fixture, wherein the welding gun assemblies comprise a plurality of welding guns and are configured to conduct multi-layer single track welding on a medium thick plate structure piece at the same time when the welding gun fixture is adjusted to a certain space position; and the welding gun fixture is configured to be a fixture structure which can drive the welding gun assemblies to adjust the space position during welding, the welding gun fixture is provided with a fixture base and a plurality of welding gun space position adjusting assemblies formed on the fixture base, and the multiple welding gun space position adjusting assemblies can drive the welding gun assemblies fixedly connected to the welding gun space position adjusting assemblies correspondingly to adjust the space positions during welding. According to the weldinggun system, by adopting the multiple welding guns to conduct welding at the same time, many defects of traditional welding methods for medium thick plate structure pieces are overcome; and meanwhile,the welding gun system has the characteristics of being low in cost, beautiful in formed welded seams and high in welding performance, and is high in welding speed and large in welding cladding amount, and the welding efficiency of the medium thick plate workpiece is greatly improved.

Description

technical field [0001] The invention relates to the field of welding technology, in particular to a welding torch system and a welding method suitable for welding medium and thick plates. Background technique [0002] For a long time, medium and thick plate structural parts have been widely used in large-scale projects, such as shipbuilding, container manufacturing, mining machinery, construction engineering, bridge manufacturing and other fields, which has caused a substantial increase in welding workload, coupled with welding production labor The increase in cost has put forward higher and higher requirements for welding production efficiency. The development of high-efficiency welding equipment and technology has become one of the focuses that the manufacturing industry pays close attention to. [0003] At present, traditional manual arc welding, submerged arc welding, electroslag welding or FCB welding are generally used for welding structural parts of medium and thick p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K37/02B23K31/02
CPCB23K31/02B23K37/0252
Inventor 张兆栋刘黎明宋刚王红阳孙传阳仲德平
Owner DALIAN UNIV OF TECH
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