RU2365476C1 - Device of multiway laser processing - Google Patents

Abstract

FIELD: technological processes, metal working.

SUBSTANCE: invention is related to the field of laser processing of materials, in particular, to device of multiway laser processing and may be used in production of large number of products at single laser complex, also in process of laser cutting, welding, pad welding and selective sintering. Device comprises N+1 lasers of initial beam division system and system of beam convergence, which is arranged in the form of set of N+1 telescopes, every of which is optically connected to laser. Telescopes are arranged with the possibility of independent rotation and displacement in two mutually perpendicular planes.

EFFECT: provision of multiple rise of efficiency of laser technological complexes, reduced power inputs at high quality of product.

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Description

This invention relates to the field of laser processing of materials and can be used in the manufacture of a large number of products on a single laser complex, including laser cutting, welding, surfacing and selective sintering.

The task of the invention is the development of a multi-position laser processing device that provides a multiple increase in the productivity of laser technological complexes, reducing energy consumption with high quality products.

A device for multi-position laser processing [1], containing a laser optically coupled to a beam splitting system in the form of a diffraction grating and a system for scanning and focusing laser radiation in separate processing areas in the form of a mechanical rotator and a lens, is known.

The disadvantage of this device is the location of separate processing areas in one line and, as a result, reduced productivity.

The closest in technical essence to the claimed device is the multi-position laser processing device presented in [2], which contains a laser optically coupled to the initial beam division system, the beam reduction system, and a galvanic scanner with a focusing lens.

The disadvantage of this device is the complexity of the beam division system and the alignment of the intensities of individual beams. The objective of the invention is the expansion of functionality and simplification of the device, ensuring product identity with a multiple increase in the productivity of laser technological systems, reducing energy consumption with high quality products.

To solve this problem, a multi-position laser processing device is proposed, comprising a laser optically coupled to the original beam division system and the beam reduction system, and a galvanic scanner with a focusing lens.

According to the authors, the novelty is that the device is additionally equipped with N lasers, the beam reduction system is made in the form of a set of N + 1 telescopes, each of which is optically connected to the laser, and the telescopes are made with the possibility of independent rotation and movement in two mutually perpendicular planes . The invention is illustrated in the drawing.

The device contains an N + 1 laser 1 of the beam splitting system, a beam reduction system, which is made in the form of a set of N + 1 telescopes 2, each of which is optically connected with an optical fiber 3 to a laser, galvanoscanner 4 with a lens 5. Each telescope is equipped with a device for adjustments and movements in two mutually perpendicular planes to adjust the angle of incidence of the beams on the input mirror of the galvanoscanner.

The device operates as follows. The beams of N + 1 lasers 1 of the beam splitting system are directed with optical fibers to N + 1 telescopes, after which N + 1 parallel beams are directed at different angles of incidence to the input mirror of the galvanoscanner 4. After reflection from the second mirror of the galvanoscanner, the beams are focused by one lens 5 to different areas of processing on the surface 6. During the programmed rotation of the mirrors of the galvanoscanner, the movements of the focusing spots will be identical with high accuracy.

Thus, the claimed device multi-position laser processing, provides product identity, a multiple increase in the productivity of laser technological systems, reduction of operational and energy costs with high quality products.

Literature

1. J. Amako, S. Kayamoru. Laser processing method, laser welding method and laser processing apparatus. US Patent No. 7, 009, 138 at 03/07/2006.

2. T. Lizote, O. Ohar. System and method for generating and controlling multiple independently steerable laser beam for material processing. US Patent No. 6,909,735 at 06/21/2005.

Claims (1)

A multi-position laser processing device comprising a laser optically coupled to a source beam splitting system, a beam reduction system and a focusing lens galvanoscanner, characterized in that the device is further equipped with N lasers, the beam reduction system is made up of N + 1 telescopes, each of which is optically connected to the laser, and the telescopes are made with the possibility of independent rotation and movement in two mutually perpendicular planes.

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