Dual tungsten electrodes welding torch in use for argon are welding

A tungsten argon arc and tungsten electrode technology, applied in arc welding equipment, electrode characteristics, welding equipment, etc.

Inactive Publication Date: 2005-03-30
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The welding efficiency of the invention is more than 1.2 times that of the traditional single tungsten electrode TIG welding method

Method used

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  • Dual tungsten electrodes welding torch in use for argon are welding
  • Dual tungsten electrodes welding torch in use for argon are welding

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specific Embodiment approach 1

[0005] Specific implementation mode one: (see figure 2 ) This embodiment consists of a welding torch body 1, an air inlet cover 2, an air outlet cover 5, two conductors 6, two tungsten poles 8, two electric cable fastening bolts 9, and an insulating sheet 10; the air inlet cover 2 Fixed on the upper end of the torch body 1, the air inlet cover 2 is provided with an air inlet hole 7, the gas outlet cover 5 is fixed on the lower end of the torch body 1, and the upper ends of the two tungsten electrodes 8 are respectively fixed on the lower ends of the two conductors 6 , the two incoming cable fastening bolts 9 are respectively fixed on the upper ends of the two electric conductors 6, the two electric conductors 6 are arranged vertically and parallel in the torch body 1, and the lower ends of the two tungsten electrodes 8 are arranged at the lower end of the gas outlet cover 5 The insulating sheet 10 is arranged between the two conductors 6 in the torch body 1 .

specific Embodiment approach 2

[0006] Specific implementation mode two: (see figure 2 ) The difference between this embodiment and the specific embodiment one is that it increases the guide rod 3 and the distance adjustment screw 4, the guide rod 3 and the distance adjustment screw 4 are vertically arranged with the conductor 6 respectively, and the middle part of the guide rod 3 is arranged In the two conductors 6 and insulating sheet 10, the guide rod 3 is slidingly connected with the conductor 6, the two ends of the guide rod 3 are fixed on the outer wall of the welding torch body 1, and the middle part of the adjustable distance screw 4 is arranged on the conductor 6. And in the insulating sheet 10, the two ends of the distance-adjusting screw 4 are arranged on the outer wall of the welding torch body 1 on the lower side of the guide rod 3, and one side end of the distance-adjusting screw 4 is provided with a knob 11, and the distance-adjusting screw The bar 4 is threadedly connected with the two condu...

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Abstract

An argon shielded arc welding torch with two tungsten electrodes is composed of main body, two electric conducting bodies parallel in the main body, two tungsten electrodes fixed to lower ends of said electric conducting bodies, two cable fastening screw bolts, and an insulating plate between two electric conducting bodies.

Description

Technical field: [0001] The invention relates to the improvement of the structure of argon tungsten arc welding torch. Background technique: [0002] Tungsten argon arc welding (TIG) has always been one of the most widely used welding methods due to its advantages of high welding quality, stable process, good controllability, and suitable for all-position welding. It works as figure 1 shown. However, there is only one tungsten electrode in the traditional TIG welding gun. Due to the inherent heat capacity of the tungsten electrode and the limitation of single arc pressure, the rated current that can be used is small, and the heat input is small, and the welding deposition rate is lower than many other welding methods. These shortcomings make the traditional single tungsten electrode TIG welding only applicable to the welding of thin plates (below 3 mm) and backing welding of thick plates. How to improve the welding deposition rate and welding efficiency while retaining th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/173B23K9/28
Inventor 张广军吴林高洪明冷雪松
Owner HARBIN INST OF TECH
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