Device and method for laser impact welding of metal foil plate based on intermediate layer automatic spraying

Abstract

The invention provides a device and method for laser impact welding of a metal foil plate based on an intermediate layer automatic spraying, relating to the field of laser impact pressure welding. Thedevice comprises a laser loading system, a control system, a placement conversion system, a welding system, an intermediate layer automatic spraying system, and a three-dimensional mobile platform system. The laser loading system comprises a focusing lens, a lens holder, a lens height adjuster, and a reflecting mirror. The control system comprises a computer, a strong pulse laser controller, a pneumatic controller, a stepper motor controller, an intermediate layer spraying controller, and a three-dimensional mobile platform controller. The placement conversion system comprises a placement platform and a conversion platform. The welding system comprises a constraining layer, an absorbing layer, and a welding processing base. The intermediate layer automatic spraying system comprises an intermediate layer spraying device. According to the device and method for laser impact welding of metal foil plate based on intermediate layer automatic spraying, the intermediate layer is sprayed ontothe surface of the substrate by adding the placement conversion system and the intermediate layer automatic spraying system. Then better welding quality is obtained by loading the laser to perform impact-welding on the coated substrate.

Description

technical field [0001] The invention belongs to the field of laser shock pressure welding in mechanical manufacturing, in particular to a device and method for laser shock welding of metal foil plates based on automatic spraying of an intermediate layer. Background technique [0002] In recent years, with the rapid development of modern industrial technology and the rapid development of science and technology, the miniaturization, precision and light weight of products have become one of the important trends in the development of the manufacturing industry. Therefore, the research on the related micro-device welding technology appear more and more important. However, the traditional metal foil connection technology has been unable to meet the development needs of new metal foil materials applied to micro parts. Solving the problem of connecting two layers of metal foil materials used in micro parts is of great significance to the improvement of the quality and cost reduction...

AI Technical Summary

Problems solved by technology

It overcomes the limitation that a certain flight distance must be given between the upper plate and the lower plate in the traditional laser shock welding method, and solves the problem that the size of the upper plate is limited by the size of the laser spot

However, it is still difficult to successfully weld metal materials that are difficult to weld

The patent with the publication number CN 103722291A introduces a laser shock welding device with continuously adjustable impact angle in a vacuum environment. Although the impact angle can be continuously adjusted to obtain welding states at different angles, it is difficult for laser shock welding of dissimilar difficult-to-weld metals The improvement is still small

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