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Laser double-side synchronous welding system with skin-skeleton structure

A skeleton structure and welding system technology, applied in the field of laser double-sided synchronous welding system, can solve the problems of inconvenient adjustment of laser incident angle, limitation of defocusing amount during welding, ablation of spectroscopic mirror, etc., so as to avoid limited selection and convenient adjustment Flexible, Simple Effects

Inactive Publication Date: 2011-05-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the existing double-beam welding device requires large laser power, which easily leads to ablation and damage of the beam splitter, and the adjustment of the incident angle of the laser is inconvenient, the adjustment range is narrow, and the selection of the defocus amount during welding is limited. limit the problem, and then provide a skin-skeleton structure laser double-sided simultaneous welding system

Method used

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  • Laser double-side synchronous welding system with skin-skeleton structure
  • Laser double-side synchronous welding system with skin-skeleton structure
  • Laser double-side synchronous welding system with skin-skeleton structure

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specific Embodiment approach 1

[0009] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, the laser double-sided synchronous welding system of the skin-skeleton structure of this embodiment includes two welding devices, and each welding device includes a first tube 1, a first reflector 2, and a second tube 4 And the second mirror 5, each welding device also includes a third tube 6, a sleeve 7, a scale ring 8, at least one bearing 9, a first connecting plate 10, a wire feeding device 11, a focusing mirror 12, a fourth tube Barrel 13, height adjustment block 14 with internal thread, second connecting plate 15, flexible pipe 16, nozzle 17, third connecting plate 18 and air knife 19, the laser double-sided synchronous welding system also includes the test piece to be welded Clamping device, two welding devices are arranged opposite to each other, and the two welding devices are arranged above the clamping device of the test piece to be welded, the skin-skeleton is clamped...

specific Embodiment approach 2

[0014] Specific implementation mode two: combination figure 1 and figure 2 Describe this embodiment, the wire feeding device 11 of this embodiment includes a wire feeding rod 11-1, a clamping rod 11-2 and a wire feeding nozzle 11-3, the wire feeding rod 11-1 is arranged on the second connecting plate 15, The clamping rod 11-2 is rotatably mounted on the wire feeding rod 11-1, and the wire feeding nozzle 11-3 is clamped on the clamping rod 11-2. In this way, by adjusting the relative positions of the first connecting plate 10, the second connecting plate 15, the wire feeding rod 11-1 and the clamping rod 11-2, the wire feeding nozzle 11-3 can be adjusted in the three directions of X, Y and Z. The precise adjustment of the wire feeding rod 11-1, the clamping rod 11-2 and the wire feeding nozzle 11-3 will finally realize the precise distribution of the relative positions. The wire feeding nozzle 11-3 is connected to the wire feeding machine through the wire feeding guide tube. ...

specific Embodiment approach 3

[0015] Specific implementation mode three: combination figure 1 and figure 2 The present embodiment will be described. The fourth tube 13 and the third tube 6 of the present embodiment are integrally formed. Such setting facilitates installation and guarantees accuracy. Other compositions and connections are the same as those in Embodiment 1 or Embodiment 2.

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Abstract

The invention discloses a laser double-side synchronous welding system with a skin-skeleton structure, relating to a laser double-side synchronous welding system. The laser double-side synchronous welding system aims to solve the problems that a spectroscope is easy to damage by ablation because the traditional welding device with double light beams needs high laser power, and also solve the problems of inconvenience of regulation of laser incident angle, narrow regulation range and limited selection on defocussing amount during welding. The sleeve of the laser double-side synchronous weldingsystem is sleeved on a third pipe barrel; a bearing is arranged between the sleeve and the third pipe barrel; a calibration loop is sleeved on the third pipe barrel; a first junction plate and a wirefeeder are connected by a second junction plate; a heightening block is screwed on the lower end of a fourth pipe barrel; an air cutter is provided with at least one side blowing body hole; a nozzle and a third junction plate are connected via a flexible pipe; two welding devices are oppositely arranged above a clamping device of a test piece to be welded; and a skin-skeleton is clamped on the clamping device of a test piece to be welded. The laser double-side synchronous welding system is suitable for welding the skin-skeleton structure.

Description

technical field [0001] The invention relates to a laser bilateral synchronous welding system, in particular to a laser bilateral synchronous welding system of a skin-skeleton structure. Background technique [0002] In the automotive and aerospace industries, in order to reduce the weight of components and improve the carrying capacity, more and more thin-walled lightweight structures are used, especially the skin-skeleton structure is favored. Compared with riveting and bonding, welding has high production efficiency and high joint strength, and has gradually become one of the most important methods for skin-skeleton structure connection. However, traditional welding methods (such as arc welding and plasma arc welding, etc.) have large heat input, low welding speed, and large welding stress and deformation. [0003] Compared with traditional welding methods, laser welding has many advantages such as high energy density, low heat input, narrow heat-affected zone, large weld...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/24B23K26/14B23K26/04B23K26/21B23K26/70
Inventor 李昊陶汪陈彦宾陈洁占小红杨模聪刘红兵王玉华
Owner HARBIN INST OF TECH
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