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A high-power vacuum laser welding device

A laser welding, high-power technology, applied in the direction of laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of affecting laser transmission, insufficient protection of laser transmission window, etc., to avoid laser transmission lens and reflective lens, avoid protection Insufficient and high utilization of vacuum space

Active Publication Date: 2017-09-29
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of insufficient protection of the laser transmission window of the existing high-power vacuum laser welding device, and the problem that the plasma steam injected by laser welding affects the laser transmission, the present invention further proposes a high-power vacuum laser welding device

Method used

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  • A high-power vacuum laser welding device
  • A high-power vacuum laser welding device
  • A high-power vacuum laser welding device

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specific Embodiment approach 1

[0015] Specific implementation mode one: combine figure 1 Describe this embodiment, a high-power vacuum laser welding device described in this embodiment includes a laser head 1, a laser transmission assembly 2, a vacuum chamber assembly 3 and a workbench assembly 4, and the workbench assembly 4 is arranged in the vacuum chamber assembly 3, The laser transmission assembly 2 is installed on the vacuum chamber assembly 3 , and the laser beam emitted by the laser head 1 is transmitted to the workpiece on the workbench assembly 4 through the laser transmission assembly 2 . The laser head 1 is an industrial laser welding head, fixed on the welding robot, connected to an industrial laser for use, and located above the vacuum chamber assembly 3, and the laser can be a YCO2 laser, a YAG laser or a disk laser.

specific Embodiment approach 2

[0016] Specific implementation mode two: combination Figure 2 to Figure 4 To illustrate this embodiment, the vacuum chamber assembly 3 of a high-power vacuum laser welding device described in this embodiment includes a primary vacuum chamber 3-1, a secondary vacuum chamber 3-2 and a sleeve 3-3, and the secondary vacuum chamber 3-2 is installed on the inner side of the top wall of the primary vacuum chamber 3-1 through the sleeve 3-3, and the middle part of the top wall of the primary vacuum chamber 3-1 has a first transmission hole 3-1-1, and the secondary vacuum chamber 3-2 A second transmission through hole 3-2-1 is opened in the middle of the bottom surface, and the first transmission through hole 3-1-1 and the second transmission through hole 3-2-1 form a laser beam channel. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0017] Specific implementation mode three: combination Figure 2 to Figure 4 Describe this embodiment, the vacuum chamber assembly 3 of a high-power vacuum laser welding device described in this embodiment also includes an exhaust valve 3-4, a gas collector 3-5, an air delivery valve 3-6, and an air delivery nozzle 3-7 , air pump 5 and gas bottle 8, gas collector 3-5 and gas delivery nozzle 3-7 are arranged in the secondary vacuum chamber 3-2, gas collector 3-5 is connected with air pump 5 by air valve 3-4, Air delivery nozzle 3-7 is connected with gas cylinder 8 by air delivery valve 3-6. Simultaneously open the gas supply valve 3-6 and the gas extraction valve 3-4, and the protective gas in the gas cylinder 8 is ejected in the secondary vacuum chamber through the gas supply nozzle 3-7. The gas collection device 3-5 opposite to the gas delivery nozzle 3-7 is connected to the air pump 5, and the air suction pump 5 is in the working state, extracting the gas sprayed by the gas...

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Abstract

The invention discloses a large-power vacuum laser welding device, and relates to a laser welding device, in particular to a large-power vacuum laser welding device which aims to solve the problem that laser transmission is affected by plasma steam jetted during laser welding due to the fact that a laser transmission window of a current vacuum laser welding device is insufficient in protection. The large-power vacuum laser welding device comprises a laser head, a laser transmission assembly, a vacuum chamber assembly and a workbench assembly, wherein the workbench assembly is arranged in the vacuum chamber assembly; the laser transmission assembly is mounted on the vacuum chamber assembly; and a laser beam emitted by the laser head is transmitted on a workpiece on the workbench assembly by virtue of the laser transmission assembly. The large-power vacuum laser welding device belongs to the welding field.

Description

technical field [0001] The invention relates to a laser welding device, in particular to a high-power vacuum laser welding device, which belongs to the field of welding. Background technique [0002] Laser welding and electron beam welding are the two most common high energy beam welding techniques in industrial production. Laser welding and electron beam welding have their own advantages in industrial production due to their different processing characteristics. In general, electron beam welding has great advantages in thick plate welding due to its strong penetrating ability; while laser welding is widely used in thin plate welding because of its fast and efficient characteristics. However, in recent years, industrial lasers have developed rapidly, and fiber lasers and disk lasers with high power and high beam quality are emerging. The application of laser welding in deep penetration welding of thick plates has attracted much attention, and the application of laser weldi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/24B23K26/064B23K26/12B23K26/70
CPCB23K26/0643B23K26/0648B23K26/1224B23K26/24
Inventor 陶汪陈彦宾姜梦乔亮刘申王树良
Owner HARBIN INST OF TECH