Double-beam laser welding machine and welding method thereof

A laser welding machine, laser welding technology, applied in laser welding equipment, welding equipment, welding equipment and other directions, can solve the problems of low efficiency, high cost, large grinding amount, etc., to prevent welding defects, prevent oxidation, and ensure stability sexual effect

Active Publication Date: 2018-07-13
HANS LASER TECH IND GRP CO LTD +1
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  • Abstract
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Problems solved by technology

Hemming welds have huge market potential in the kitchen, bathroom and home furnishing industries. At present, the method used for this kind of welds in the industry is mainly manual spot welding, but this method has a lot of grinding after welding, low efficiency and high cost. shortcoming

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  • Double-beam laser welding machine and welding method thereof
  • Double-beam laser welding machine and welding method thereof
  • Double-beam laser welding machine and welding method thereof

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Embodiment Construction

[0027] Refer to figure 1 As shown, the dual-beam laser welding machine of the present invention is used to fix and clamp the first thin plate (thickness 0.6 mm) 111 and the second thin plate (thickness 0.6 mm) 112 for laser edge welding.

[0028] The dual beam laser welding machine includes a fixture 120 for fixing the workpiece to be welded, a dual beam welding head 130 for welding the workpiece to be welded, and a multifunctional gas hood 140 located above the welding workpiece.

[0029] The double-beam laser welding method of the thin plate hemming weld in the preferred embodiment of the present invention includes steps S110 to S160.

[0030] The provided double-beam laser welding method of the thin plate edging weld is used to fix and clamp the thin plate (thickness 0.6mm) 111 and the thin plate (thickness 0.6mm) 112 and then perform laser edging welding. The thin plate package in the preferred embodiment of the present invention The double-beam laser welding method for side weld...

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Abstract

The invention provides a double-beam laser welding machine and a welding method thereof. The double-beam laser welding machine is used for carrying out binding welding on a first thin plate and a second thin plate. The double-beam laser welding machine comprises a fixture for the first thin plate and the second thin plate, a double-beam welding head which emits a first light spot and a second light spot, and a multifunctional gas hood which is located above the first thin plate and the second thin plate; and during welding, the first light spot and the second light spot are correspondingly distributed on the first thin plate and the second thin plate in parallel. Through selection on a laser light source and control on a double-beam light spot, the stability of a welding effect can be ensured effectively; through selection on the air supply mode of shielding gas and the gas, welding joint surface oxidization can be prevented effectively; through accurate control on technological parameters, the uniformity of weld penetration can be ensured; and by using the welding method, a thin plate binding welding joint can be a high-quality welding joint having the advantages of surface transition smoothness, no oxidization, and no welding defect.

Description

Technical field [0001] The invention relates to the technical field of laser welding, and more specifically, to a double-beam laser welding machine and a welding method for the edging seam of a thin plate with a thickness of less than 1.5 mm. Background technique [0002] Laser welding has the advantages of high speed, large welding depth, and small deformation. It is widely used in various industries, especially for some precision parts and products with high-quality welding requirements. Thin plate stainless steel is widely used, but because the thin plate is very sensitive to welding heat input, it is prone to weld penetration and deformation. However, the coefficient of linear expansion of stainless steel is large, and its thin plate welding is more difficult, so the sealing of ultra-thin stainless steel Sexual welding has always been a problem in the industry. Some welding methods with large heating area are not suitable for welding thin plates. It is best to use welding me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/24B23K26/14B23K26/60B23K26/70B23K37/04
CPCB23K26/14B23K26/24B23K26/60B23K26/702B23K37/0408
Inventor 彭和思李彦卿陈兵华唐景龙邓时累潘洪文张波陈根余陈焱高云峰
Owner HANS LASER TECH IND GRP CO LTD
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