Laser welding unit
A laser welding and laser technology, applied in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of large deformation, small depth, slow speed, etc., and achieve the effect of small deformation, fast welding speed and large depth
Inactive Publication Date: 2014-01-01
管祖臣
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Problems solved by technology
However, there are generally disadvantages such as slow speed, small depth, and large deformation.
Method used
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[0018] A laser welding device includes an ammonium glass laser 1 , a beam mirror 2 , a reflection mirror 3 , a protection plate 4 , a welding jig 8 , a workbench 9 and a mirror support mechanism 10 .
[0019] The welding jig 8 is installed on the workbench 9 to clamp the object to be welded, and the object to be welded 7 is placed on the workbench 9 and fixed by the welding jig 8 . The protection plate 4 is arranged above the object to be welded 7, and the middle part of the protection plate 4 has a hole with a diameter 5 of 1.3 mm. The output energy of the ammonium glass laser 1 is 92 joules, and the fluctuation of the rated output energy of the laser is less than 9%. Spot welding was performed at a speed of 60 times / min.
[0020] When using ammonium glass laser welding, use krypton gas to protect the oxygen mark as 6.
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A laser welding unit comprises an ammonia glass laser, a beam collector, a reflector, a protective board, a welding fixture, a bench and a lens support mechanism. The welding fixture is mounted on the bench and used for holding a work piece to be welded. The work piece is placed on the bench and fixed through the welding fixture. The protective board is disposed above the work piece. The center of the protective board is provided with a hole 1.3mm in diameter. Output energy of the ammonia glass laser is 92J. Rated output energy of the laser fluctuates by less than 9%. Spot welding is performed at the speed of 60 / m. Ammonia glass laser welding is performed under the protection of krypton. The laser welding unit has the advantages that welding speed is high, welding depth is large, and deformation is low; welding depth-to-width ratio is high, up to 10:1; 3, welding with the laser welding unit can be performed in the electromagnetic field; laser beams never deviate during welding, and welding quality is guaranteed.
Description
technical field [0001] The invention belongs to the field of welding technology, in particular to a laser welding device. Background technique [0002] Welding is one of the important technical means to connect homosexual metals or heterosexual metals into a whole structure. At present, the welding methods mainly used are electrode welding, plasma welding or argon arc welding. However, there are generally disadvantages such as slow speed, small depth, and large deformation. [0003] The laser welding speed is fast, the depth is large, the deformation is small, and the aspect ratio is as high as five to one. And it can be welded under special conditions such as electromagnetic field. The metal parts inside can also be welded through the glass shell. Contents of the invention [0004] The purpose of the present invention is to disclose a kind of laser welding device developed and researched by myself. The welding speed of the device is fast, the deformation is small, an...
Claims
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Login to View More IPC IPC(8): B23K26/22
CPCB23K26/22B23K26/0643
Inventor 管祖臣
Owner 管祖臣