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A high-power focusing lens with adjustable focus

A focusing lens and high-power technology, applied in the field of focusing lenses, can solve the problems of inability to achieve precise focusing, difficulty in multi-beam high-energy lasers, and the inability of large-diameter focusing lenses to move accurately, and achieve the effect of convenient and fast focusing, simple and compact structure

Active Publication Date: 2018-06-22
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem that the large-diameter focusing lens of the existing high-power laser cannot be moved accurately, cannot achieve precise focusing, and it is difficult to focus multiple beams of high-energy lasers into a small section of space, and further provides an adjustable focus. power focus lens

Method used

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  • A high-power focusing lens with adjustable focus
  • A high-power focusing lens with adjustable focus
  • A high-power focusing lens with adjustable focus

Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0014] Specific implementation mode one: combine Figure 1-Figure 10 Explain that a focusable high-power focusing lens of this embodiment includes a lens shield assembly 101, a lens replacement unit assembly 102, an X-direction position adjustment assembly 603, a Y-direction position adjustment assembly 601, and a Z-direction position adjustment assembly 104;

[0015] The lens shield assembly 101 is installed on the lens replacement unit assembly 102, and the lens replacement unit assembly 102 is installed on the X-direction position adjustment assembly 603, and the X-direction position adjustment assembly 603 is used to drive the lens replacement unit assembly 102 to move in the X direction , the X-direction position adjustment assembly 603 is installed on the Y-direction position adjustment assembly 601, the Y-direction position adjustment assembly 601 is used to drive the X-direction position adjustment assembly 603 to move in the Y direction, and the Y-direction position a...

specific Embodiment approach 2

[0016] Specific implementation mode two: combination Figure 2-Figure 3 Explain that the Z-direction position adjustment assembly 104 of this embodiment includes a lens focusing lens barrel 201, a lens housing 204, and a drive assembly 403; the drive assembly 403 includes a motor 504, a motor base 503, a Z-direction screw pair, and a support plate 501;

[0017] The lens housing 204 is a cylindrical housing, the lens focusing lens barrel 201 and the driving assembly 403 are arranged in the lens housing 204, the motor 504 is installed on the motor base 503, and the motor base 503 is installed on the lens housing 204 to support The plate 501 is installed on the lens housing 204, the lead screw 506 of the Z direction lead screw pair is installed on the support plate 501 through the bearing seat 505, the output end of the motor 504 is connected with the lead screw 506 of the Z direction lead screw pair, and the Z direction lead screw The auxiliary screw nut 507 is connected with th...

specific Embodiment approach 3

[0018] Specific implementation mode three: combination Figure 4 Note that the drive assembly 403 of this embodiment also includes a lower linear guide rail 4013, an upper guide rail base 404, a lower guide rail base 405, a lower slider base 4023, two upper linear guide rails 4012 and two upper slider bases 4021 ;

[0019] The lower slider base 4023 is installed on the lower part of the lens focusing lens barrel 201, the lower linear guide rail 4013 is installed on the lower part of the lower slider base 4023, the lower guide rail base 405 is installed on the lens housing 204, and the lower linear guide rail 4013 is slidably arranged On the lower guide rail base 405; the upper guide rail base 404 is installed on the top of the lens focusing lens barrel 201, and two upper linear guide rails 4012 are installed side by side along the axial direction of the lens focusing lens barrel 201 on the upper guide rail base 404. The upper slider bases 4021 are respectively connected with ...

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Abstract

An adjustable focus high-power focusing lens, which relates to a focusing lens to solve the problem that the large-aperture focusing lens of the existing high-power laser cannot be moved accurately, and cannot achieve precise focusing and focus multiple beams of high-energy lasers on a small section of space There is a difficult problem in memory, which includes the lens shield assembly, lens replacement unit assembly, X-position adjustment assembly, Y-position adjustment assembly, and Z-position adjustment assembly; the lens shield assembly is installed on the lens replacement unit assembly, and the lens replacement The unit assembly is installed on the X-direction position adjustment assembly, the X-direction position adjustment assembly is used to drive the lens drive assembly to move in the X direction, the X-direction position adjustment assembly is installed on the Y-direction position adjustment assembly, and the Y-direction position adjustment assembly is used for In order to drive the X-direction position adjustment component to move in the Y direction, the Y-direction position adjustment component is installed on the Z-direction position adjustment component. The invention is used for focusing of a focusing lens.

Description

technical field [0001] The invention relates to a focusing lens and belongs to the field of optical lens adjustment devices. Background technique [0002] Focusing lens engineering is widely used, such as various laser processing, laser inspection, etc. Most of the equipment can also achieve focusing or even automatic focusing. However, the large-aperture focusing lenses currently used for high-power (million-joule) lasers cannot achieve precise focusing in the three directions of the X-axis, Y-axis, and Z-axis. difficulty. Contents of the invention [0003] The present invention aims to solve the problems that the large-diameter focusing lens of the existing high-power laser cannot be moved accurately, cannot achieve precise focusing and the difficulty exists in focusing multiple high-energy laser beams into a small section of space, and further provides an adjustable focus high Power focus lens. [0004] The technical solution adopted by the present invention to solve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/02G02B7/04
CPCG02B7/023G02B7/04
Inventor 张鹏于福利白清顺刘保麟卢礼华
Owner HARBIN INST OF TECH
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