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Device and method for laser shock welding in warm state

A laser shock and heating technology, applied in laser welding equipment, welding equipment, welding equipment and other directions, can solve the problems of inability to heat temperature monitoring, low workpiece clamping accuracy, easy to crack, etc., to improve welding efficiency and automation. High, precise clamping results for welding quality

Inactive Publication Date: 2019-03-05
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this invention is suitable for the welding of dissimilar materials with grooves on the lower end, and some materials with small plastic deformation are prone to cracking; moreover, this invention cannot effectively monitor the heating temperature in the heating process in real time
Laser shock welding technology still has defects such as low welding strength and low workpiece clamping accuracy

Method used

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  • Device and method for laser shock welding in warm state
  • Device and method for laser shock welding in warm state
  • Device and method for laser shock welding in warm state

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] combined with Figures 1 to 4 , a device for laser shock welding in a warm state, the device includes a laser emitting system, a control system, and a workpiece warm welding operating system;

[0031]The laser emitting system includes a computer 1, a laser controller 2, a nanosecond laser 4, and a laser beam 5; the computer 1, the laser controller 2, and the nanosecond laser 4 are connected in sequence to form a laser light path, and the nanosecond laser 4 Connected on the inverted L-shaped support 19 by thread, the inverted L-shaped support 19 is installed on the base 10; the control system includes a three-dimensional mobile platform controller 7, a hydraulic controller 8, a slide rail controller 6, and a heating device controller 9 and the hydraulic small thimble controller 3, the three-dimensional mobile platform controller 7 realiz...

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Abstract

The invention discloses a device and method of laser impact welding in a warm state. The device comprises a laser emitting system, a control system and a workpiece warm welding operation system. The workpiece warm welding operation system comprises a workpiece warm device, a base plate pressing device and a workpiece pressing device. Before-welding preheating of a workpiece is achieved through the workpiece warm device, the plasticity of the to-be-welded workpiece is improved, and the welding performance of the workpiece is improved; by means of the base plate pressing device and the workpiece pressing device, the precise clamping of the workpiece in the warm state is achieved. The device is high in precision and automation degree and wire in application range, and warm welding of various different materials can be conducted.

Description

technical field [0001] The invention relates to the field of laser shock welding, in particular to a device and method for laser shock welding in a warm state. Background technique [0002] In recent years, with the rapid development of electronic products, biology, medical equipment, precision instruments, sensors and other industries, the miniaturization, precision and high performance of products have become one of the important trends in the development of the manufacturing industry, and related micro devices The research of welding technology becomes more and more important. The performance requirements of micro-devices are getting higher and higher. It is difficult for a single material to meet the needs of industrial production, or a material with ideal performance cannot be widely used in industrial production because of its scarcity. Therefore, the connection of dissimilar materials is an inevitable trend. Laser shock welding is a relatively new high-speed shock we...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/21B23K26/70B23K37/04
CPCB23K26/21B23K26/702B23K37/0435
Inventor 王霄罗亚鹏马友娟黄涛刘会霞
Owner JIANGSU UNIV
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