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Ultrasonic non-melt metal argon arc welding technology and device

A non-melting electrode, argon arc welding technology, applied in the field of argon arc welding, can solve the problem of ineffective fusion of molten metal, and achieve the effects of complete gas evolution, dense and uniform molten metal structure, and refinement of metal grains

Active 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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Embodiment Construction

[0019] The ultrasonic non-melting electrode argon arc welding device of the present invention is 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 chamber 4 is arranged at the other end of the horn 2, and an electrode chamber 4 is arranged in the electrode chamber 4 3 (tungsten pole). A certain distance is kept between the electrode 3 and the end surface of the horn 2 to ensure that a welding arc 9 can be generated between the electrode 3 and the workpiece when the end surface of the horn 2 is in contact with the workpiece to be welded. 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 chamber 4, and an insulating layer 5 is arranged between the upper part of the air inlet 6 and the electrode 3 in the electrode chamber 4, One end of the wire 7 enters through the wire inlet and is connected with the electrod...

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Abstract

The invention discloses an ultrasonic non-melt metal argon arc welding technology and device. According to the technology, during non-melt metal argon arc welding, ultrasonic vibration is conducted on a molten bath and base metal near a weld joint in real time to enable molten metal tissue to be dense and uniform, refinement of metal grains at the position of the weld joint is achieved, evolution of gas in the molten bath is accelerated, and welding quality is improved. The device comprises an energy converter and an amplitude-change pole, wherein the energy converter is fixedly connected to one end of the amplitude-change pole, an electrode cavity is formed in the other end of the amplitude-change pole, an electrode is arranged in the electrode cavity, an air inlet and a wire inlet are formed in one side face of the amplitude-change pole, the air inlet is communicated with the electrode cavity, a wire is connected to the electrode and is led out through the wire inlet, and a welding wire groove and an exhaust groove are formed in the lower end face of the amplitude-change pole. By the adoption of the ultrasonic non-melt melt argon arc welding technology and device, grains at the position of the weld joint are better refined, metal tissue is denser, evolution of gas in the weld joint is more complete, welding deformation is reduced, the fatigue strength of a welded joint is improved, the fatigue life of the welded joint is prolonged, and the welding quality is guaranteed.

Description

technical field [0001] The invention relates to a process and a device for performing non-melting electrode argon arc welding on metal workpieces, 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. . Argon arc welding is divided into non-melting electrode argon arc welding a...

Claims

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Application Information

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IPC IPC(8): B23K28/02
CPCB23K28/02
Inventor 赵辉
Owner 赵辉
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