Laser scanning system and laser engraving system with same

A laser scanning and laser beam technology, applied in the optical field, can solve the problem of inability to achieve precise laser engraving, and achieve the effect of improving the precision and accuracy of processing, high processing accuracy and large processing depth

Pending Publication Date: 2019-11-08
LANGFANG SUPOWER DIAMOND TECH
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Problems solved by technology

[0003] The main purpose of the present invention is to provide a laser scanning system and its laser engraving system to solve the problem that the laser engraving technology in the prior art cannot achieve precise laser engraving

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  • Laser scanning system and laser engraving system with same
  • Laser scanning system and laser engraving system with same

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Embodiment Construction

[0020] It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0021] In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Embodiments are part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] It should be noted th...

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Abstract

The invention provides a laser scanning system and a laser engraving system with the same. The laser scanning system comprises a Z-axis unit, a galvanometer assembly, a field lens and an imaging unit,wherein the Z-axis unit is positioned on an optical axis of a laser beam and is used for changing the position of a focal point in the Z-axis direction, and the optical axis is defined as a first optical axis; the galvanometer assembly is positioned on the first optical axis on one side of Z-axis unit, the laser beam is deflected into a second optical axis from the first optical axis after passing through the galvanometer assembly, and the galvanometer assembly is used for changing the position of the focal point in the X-axis direction and the Y-axis direction; the field lens is positioned on the second optical axis between the galvanometer assembly and a workpiece and is used for focusing the laser beam deflected by the galvanometer assembly to form the focal point; and the imaging unitis used for collecting illuminating beam reflected by the workpiece for imaging. According to the laser scanning system and the laser engraving system with the same, the imaging unit is additionallyarranged in the three-axis galvanometer, the image information on the surface of the workpiece is acquired so that the workpiece can be conveniently observed and the workpiece can be positioned on thebasis of the image, and therefore the laser scanning system has the advantages of being large in machining depth, high in machining precision and high in machining accuracy during machining of the workpiece.

Description

technical field [0001] The present invention relates to the field of optical technology, in particular, to a laser scanning system and a laser engraving system having the same. Background technique [0002] Laser engraving technology refers to deflecting the laser beam generated by the laser source to a certain angle through the scanning galvanometer, and then focusing the laser beam through the field lens to realize the engraving and cutting of the workpiece by the focused laser beam. However, the two-axis galvanometer cannot achieve longitudinal in-plane motion, that is, dynamic focusing cannot be achieved. Especially when it is necessary to process a workpiece with a large depth or perform curved surface engraving, as the depth of the laser engraving on the workpiece increases, the processing position gradually moves away from the focal position of the laser. At this time, the precise engraving of the laser cannot be achieved, resulting in poor processing effect and proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/082B23K26/362
CPCB23K26/082B23K26/362
Inventor 吴高华
Owner LANGFANG SUPOWER DIAMOND TECH
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