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Ultrasonic consumable electrode argon arc welding process and device

A melting electrode and argon arc welding technology, which is applied in the field of argon arc welding, can solve the problems of ineffective fusion of molten metal, achieve the effects of complete gas precipitation, refinement of metal grains, and improvement of fatigue strength and fatigue life

Inactive Publication Date: 2015-05-13
赵辉
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this method, the horn is not in contact with the workpiece, will not vibrate the molten metal during welding, and has no effect on the fusion of molten metal

Method used

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  • Ultrasonic consumable electrode argon arc welding process and device

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Embodiment Construction

[0016] Ultrasonic melting electrode argon arc welding device of the present invention such as figure 1 As shown, it mainly includes a transducer 1 and a horn 2, the transducer 1 is fixedly connected to one end of the horn 2, and an electrode cavity 4 is arranged at the other end of the horn 2, and a conductive The nozzle 11 is provided with an insulating layer 5 between the conductive nozzle 11 and the electrode cavity 4 . The side of the horn 2 is provided with an air inlet 6 and a wire inlet, the air inlet 6 communicates with the electrode cavity 4, the wire 7 connected to the contact tip 11 is drawn out from the wire inlet, and the insulating layer 5 is filled between the wire 7 and the wire inlet . The side of the horn 2 is also provided with an electrode inlet. The melting electrode 3 enters the electrode chamber 4 of the horn 2 through the electrode inlet, and penetrates the conductive tip 11, protrudes from the conductive tip 11, and welds with the workpiece to be weld...

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Abstract

The invention discloses an ultrasonic consumable electrode argon arc welding process and device. According to the ultrasonic consumable electrode argon arc welding process, ultrasonic vibration is carried out on a weld pool and parent metal around a welding joint in the consumable electrode argon arc welding process, molten metal is made to be compact and uniform in texture, metal grains at the welding joint are refined, gas separation of the weld pool is accelerated, welding stress and welding deformation are reduced, the fatigue strength of a welding connector is improved, the fatigue life is prolonged, and therefore the welding quality is largely improved. The ultrasonic consumable electrode argon arc welding device comprises an energy converter and an amplitude-change pole, wherein the energy converter is fixedly connected with one end of the amplitude-change pole, the other end of the amplitude-change pole is provided with an electrode cavity, a conductive nozzle is arranged in the electrode cavity, an electrode inlet, an air inlet and a wire port are formed in the lateral surface of the amplitude-change pole, the air inlet is communicated with the electrode cavity, and the conductive nozzle is connected with a wire. The grains at the welding joint are more refined, the metal is more compact in texture, gas separation in the welding joint is more thorough, welding deformation is reduced, the fatigue strength of the welding connector is improved, the fatigue life is prolonged, and welding quality is guaranteed.

Description

technical field [0001] The invention relates to a process and a device for metal workpieces to be welded by argon arc welding, and belongs to the technical field of argon arc welding. Background technique [0002] Argon arc welding technology is based on the principle of ordinary arc welding, using argon gas to protect the metal welding material, and through high current to make the welding material melt into a liquid state on the base material to be welded to form a molten pool, so that the welded metal and the welding material It is a welding technique in which the metallurgical combination of materials is achieved. Since argon is continuously supplied during high-temperature fusion welding, the welding materials cannot be in contact with oxygen in the air, thus preventing the oxidation of the welding materials. Therefore, stainless steel, iron and other metals can be welded. . The working process of argon arc welding is usually: the welding wire is fed through the wire w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K28/02
CPCB23K28/02
Inventor 赵辉
Owner 赵辉
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