Welding additive trailing ultrasonic impact device and operation method

Abstract

The invention relates to the technical field of 3D printing, in particular to a welding additive trailing ultrasonic impact device and an operation method. The welding additive trailing ultrasonic impact device comprises a welding gun, a connecting sleeve assembly and an ultrasonic vibrator, the welding gun is connected with the connecting sleeve assembly through a welding gun connecting assembly,the ultrasonic vibrator is sleeved with the connecting sleeve assembly, a steel ball at the bottom end of the ultrasonic vibrator penetrates through the connecting sleeve assembly and then makes contact with a weld layer for trailing ultrasonic impact treatment on the weld layer. According to the welding additive trailing ultrasonic impact device and the operation method, damage energy of seismicwaves to a building can be converted, the influence of the seismic waves on a building foundation is blocked, and then vibration of the overground part of the building is avoided; ultrasonic impact real-time impact is carried out on the weld layer or a weld seam, and the modern welding additive manufacturing requirement can be met; the requirements of different impact pressures and unevenness ofweld pieces can be met; the distance between an ultrasonic impact position and a welding gun position can be adjusted according to requirements to adapt to adjustment of trailing time lag time; and the ultrasonic transmission efficiency is high, and the ultrasonic impact treatment effect is good.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to an ultrasonic impact device and an operation method for welding additive materials with welding. Background technique [0002] With the development of science and technology, additive manufacturing technology is surging. Compared with other additive manufacturing, welding additive manufacturing has low cost and high efficiency, especially the advantages of some large-scale component additive manufacturing are more obvious. Therefore, welding additive manufacturing grows faster . In addition, welding technology is also widely used in national defense and military industry, national economy and people's livelihood, and is widely used in ships, vehicles, pressure vessels, etc. However, after all, welding is locally heated and melted, and then cooled to form a weld or weld layer. It is essentially a local metallurgical process, which will inevitably produce many factors such as ...

AI Technical Summary

Problems solved by technology

Make the ultrasonic vibrator easy to deviate from the resonance

[0010] 2 The existing welding ultrasonic impact method is: the welding torch is welded above the weldment, and the ultrasonic impact head is impacted behind the weldment, which is only suitable for single-layer welds

Therefore, it cannot be applied to welding additive manufacturing

[0011] 3 No consideration is given to the adjustment of the interval between the welding point and the welding impact point: relevant research in the industry has proved that the welding impact point is located in the high-temperature plastic zone of welding, and the effect is the best. The optimal distance is also different, but the existing technology does not consider adjusting the distance between the welding point and the welding impact point

That is, without considering the adjustment of the lag time of the welding impact, it is difficult to ensure that the welding impact point is located in the welding high temperature plastic zone

[0012] 4 There is no clear way of transmitting ultrasonic vibration to the weldment, but the contact mode is directly related to the efficiency of ultrasonic transmission. On the other hand, with the ultrasonic impact of welding, the ultrasonic vibrator must move flexibly on the welding layer or weld with the welding torch.

The existing welding ultrasonic impact head is in contact with the weld seam plane. Although the ultrasonic transmission is good, it is difficult to move and the ultrasonic vibrator is easy to deflect.

[0013] 5 Welding additive manufacturing With welding ultrasonic impact, the welding torch and ultrasonic vibrator must move synchronously in three-dimensional coordinates. Due to the self-weight of the ultrasonic vibrator, the moving load of the welding additive equipment in the height direction will be increased.

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