Laser cutting device

A laser cutting and lens technology, which is applied in laser welding equipment, manufacturing tools, welding equipment, etc., can solve problems such as poor adaptability, high production cost, and redundant overall structure size, so as to reduce cost and complexity and facilitate processing Effect

Pending Publication Date: 2022-05-17
长沙麓邦光电科技有限公司
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Problems solved by technology

In the prior art, the laser cutting mechanism used for glass processing is generally only suitable for cutting glass materials with a specific thickness, and the adaptability is poor, that is, one device can only adapt to the same focal depth, and cannot adapt to multiple focal depths. Deep; and the overall structure of the existing laser cutting device is lengthy and complicated in structure, generally including multiple lenses and objective lenses, which makes the production cost higher and the price more expensive

Method used

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  • Laser cutting device
  • Laser cutting device
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Embodiment 1

[0043] Such as figure 1 As shown, this embodiment is a laser cutting device, including a housing 5, a quarter wave plate 1 and a lens, the quarter wave plate 1 and the lens are installed in the housing, and the lens includes diffraction cones arranged in sequence Lens 2, first lens 3 and second lens 4, wherein the diffractive axicon 2 is closer to the quarter-wave plate 1, the effective distance of the first lens 3 is 150mm, and the size is 25.4mm, and the effective focal length of the second lens 4 The diameter is 20mm, and the size is 25.4mm. The first lens 3 and the second lens 4 form a bi-telecentric system. The two meet the confocal condition and form a beam reducer.

[0044] In this embodiment, the quarter-wave plate 1 is composed of a substrate glass, a protective glass, and a liquid crystal molecular film layer, wherein the substrate glass is located in the middle, and the three are pasted together by optical glue. The quarter-wave plate In 1, the thickness of the su...

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Abstract

A laser cutting device comprises a shell, a quarter-wave plate and a lens, the quarter-wave plate and the lens are both installed in the shell, the lens comprises a diffraction cone lens, a first lens and a second lens which are sequentially arranged, the diffraction cone lens is closer to the quarter-wave plate, and the first lens and the second lens form a double telecentric system. The laser cutting device can be used for machining transparent materials with different thicknesses, and is simple in system, low in cost and easy to assemble.

Description

technical field [0001] The invention relates to the technical field of laser processing equipment, in particular to a laser cutting device. Background technique [0002] Laser cutting is one of the thermal cutting methods. It uses a focused high-power-density laser beam to irradiate the workpiece, so that the irradiated material is rapidly melted, vaporized, ablated or reaches the ignition point, and at the same time, the high-speed airflow coaxial with the beam is used to blow off the molten material. Substance, so as to realize the cutting of the workpiece. Compared with other conventional processing methods, laser cutting technology has high precision, narrow slit, smooth cutting surface, fast speed, no damage to the workpiece, good adaptability, and is not affected by the hardness of the material to be cut or the shape of the workpiece. Non-metals such as plastics, wood, PVC, leather, textiles and plexiglass can be cut and processed, so laser cutting technology has been...

Claims

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Application Information

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IPC IPC(8): B23K26/38B23K26/70
CPCB23K26/38B23K26/702Y02P40/57
Inventor 吴春洲邹志新高阳江新刘昂
Owner 长沙麓邦光电科技有限公司
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