Narrow gap double-wire welding gun

A narrow gap and welding torch technology, applied in the direction of electrode characteristics, electrode accessories, electrode support devices, etc., can solve the problems of slow forming speed, time consumption of energy consumption, and unsatisfactory welding effect, so as to reduce energy consumption and ensure melting speed Effect

Inactive Publication Date: 2012-11-14
KUSN RUILING WELDING TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problems of slow forming speed and unsatisfactory welding effect when the existing twin-wire welding torch is used for narrow-g...

Method used

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  • Narrow gap double-wire welding gun
  • Narrow gap double-wire welding gun
  • Narrow gap double-wire welding gun

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0022] see figure 1 and figure 2 As shown, the present invention provides a narrow gap twin-wire welding torch 1, comprising two welding torch assemblies 10, an insulating plate 19 is arranged between the two welding torch assemblies 10 and fixed and assembled by the insulating plate 19, wherein the insulating plate 19 is used for The fixed connection between the two welding torch assemblies 10 also ensures that the two are electrically and thermally insulated without mutual influence. The two welding torch assemblies 10 both include a torch body 11 , and an insulating cover 15 is provided at the outer end of the torch body 11 , and the insulating cover 15 can isolate the electricity and heat carried by the torch body 11 to avoid contact by users or operators. The upper end of the gun body 11 is pierced with an electrical connector 12, an air intake ...

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Abstract

The invention relates to a narrow gap double-wire welding gun which comprises two welding gun assemblies. An insulation plate is arranged between the two welding gun assemblies, the two welding gun assemblies are fixed and assembled through the insulation plate, the two welding gun assemblies comprise gun bodies, insulation covers are arranged at the outer ends of the gun bodies, electric connectors, air inlet pipes and water connectors are arranged at the upper ends of the gun bodies in penetrating mode, the lower ends of the gun bodies are connected with contact tips which are communicated with the gun bodies, the two water connectors are communicated with each other and form cooling circulation channels in the gun bodies where the two connectors penetrate, the two contact tips are tilted inwards to form a certain angle, and the angle is at 15 degrees-30 degrees. Due to the fact that the two contact tips are tilted inwards to form a certain angle, two welding wires which are arranged in penetrating mode can be intersected. When the narrow gap double-wire welding gun is operated, the welding wires are intersected, after the welding gun is powered on, only one single electric arc is formed between the welding wires and a workpiece, welding wire melting speed is guaranteed, energy consumption is reduced virtually, only a single-channel multilayer is needed for welding seam molding. Compared with a common double-wire welding gun, the narrow gap double-wire welding gun is energy-saving and efficient.

Description

technical field [0001] The invention relates to the technical field of welding torches, in particular to a narrow-gap twin-wire welding torch. Background technique [0002] With the wide application of gas-electric automatic welding devices in the heavy industry, twin-wire welding torches used for welding in narrow gaps have also become more and more popular. However, for narrow gap welding, due to the need for multi-layer welding, In addition, the inclination of the groove side wall of the narrow gap welding is very small, so that the heat distribution on the side wall is significantly less, which correspondingly brings defects of insufficient fusion of the side wall and poor forming. At present, when the general twin-wire welding torch is used for welding, the required heat input is relatively high, which consumes a lot of energy and virtually increases the production cost. Moreover, the weld formed by welding is multi-layered and multi-layered, which is time-consuming and...

Claims

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Application Information

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IPC IPC(8): B23K9/28B23K9/26
Inventor 邱光王巍张利华王天宇
Owner KUSN RUILING WELDING TECH
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