Micro-vibration welding device and method

Abstract

The invention relates to the technical field of welding technologies, in particular to a micro-vibration welding device and method capable of effectively accelerating globular transfer, improving the deposition rate and improving the weld microstructure. The micro-vibration welding device is provided with an arc welding power source, a conducting rod, a wire, an electrode clamping body, a welding wire feeding mechanism and a nozzle, and is characterized by further comprising a micro-vibration mechanism connected with the electrode clamping body, the micro-vibration mechanism comprises a vibration generation component, a vibration transferring component and a power source for vibration, the vibration generation component and the vibration transferring component are connected, the vibration transferring component is provided with a guide rod and a buffering body connected with the vibration generation component, the buffering body is arranged at the tail end of the guide rod and abuts against the electrode clamping body, and the front end of the guide rod is connected with the vibration generation component. Compared with the prior art, the welding quality can be obviously improved.

Description

Technical field: [0001] The invention relates to the technical field of welding technology, in particular to a micro-vibration welding device and method that can effectively accelerate droplet transfer, increase deposition rate, and improve weld seam structure. Background technique: [0002] In the traditional and emerging machinery manufacturing industries, arc welding technologies with high deposition efficiency or easy operation such as molten arc welding (MIG), submerged arc welding (SAW), and tungsten argon arc welding (TIG) are used in pressure vessel manufacturing, It is widely used in automotive aerospace and other fields. When using this kind of arc welding technology for welding operations, it is necessary to increase welding heat input to improve welding production efficiency. The increase in heat input will make the weld solidified metal grains coarse and deformed, which is extremely The mechanical properties and processing quality of the welded joint are greatly...

AI Technical Summary

Problems solved by technology

[0002] In the traditional and emerging machinery manufacturing industries, arc welding technologies with high deposition efficiency or easy operation such as molten arc welding (MIG), submerged arc welding (SAW), and tungsten argon arc welding (TIG) are used in pressure vessel manufacturing, It is widely used in automotive aerospace and other fields. When using this kind of arc welding technology for welding operations, it is necessary to increase welding heat input to improve welding production efficiency. The increase in heat input will make the weld solidified metal grains coarse and deformed, which is extremely Greatly reduces the mechanical properties and processing quality of welded joints

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