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Fine adjustment difference compensation focusing type laser marking machine and focusing method thereof

A laser marking machine and fine-tuning focus technology, applied in the field of laser marking machines, can solve the problems of affecting the validity of labels, different marking depths, and focus compensation, so as to achieve automatic focusing, improve marking quality, and reduce poor errors Effect

Inactive Publication Date: 2021-08-10
张健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the surface of auto parts used for laser marking machine marking is mostly curved or shaped. When the laser marking machine is working, it cannot effectively focus on the height difference caused by the curved or shaped surface, which may easily cause marking The depth is different, so that the shallow part of the logo is prone to wear and tear, which affects the effectiveness of the label

Method used

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  • Fine adjustment difference compensation focusing type laser marking machine and focusing method thereof
  • Fine adjustment difference compensation focusing type laser marking machine and focusing method thereof
  • Fine adjustment difference compensation focusing type laser marking machine and focusing method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0058] see Figure 1-12 , a fine-tuning compensation focus type laser marking machine, including a laser transmission part 6 connected to a vibrating mirror 1, a fine-tuning focusing type field mirror assembly 2 is installed at the lower end of the vibrating mirror 1, and a fine-tuning compensation controller is fixedly connected to the upper end of the vibrating mirror 1 3. The upper end of the fine-tuning compensation controller 3 is connected with a pneumatic connection assembly 4 that matches the fine-tuning focus type field lens assembly 2; please refer to Figure 4 The fine-tuning focusing type field lens assembly 2 includes a fine-tuning reference mirror ring 201, the lower end of the vibrating mirror 1 is fixedly connected with a fine-tuning reference mirror ring 201, and the lower end of the fine-tuning reference mirror ring 201 is threadedly connected with a fine-tuning limit connecting lens barrel 202, and the fine-tuning limit connection The outer end of the lens b...

Embodiment 2

[0066] see Figure 1-12 , where the same or corresponding components as those in Embodiment 1 use the corresponding reference numerals as in Embodiment 1, and for the sake of simplicity, only the differences from Embodiment 1 will be described below. The difference between this embodiment 2 and embodiment 1 is: please refer to Figure 8-12 , the rear end of the vibrating mirror 1 is fixedly installed with a magnetic induction quick assembly 5, the rear end of the magnetic induction quick assembly 5 is connected with a laser transmission part 6, the magnetic induction quick assembly 5 includes a sleeve fixing ring 501, the vibrating mirror 1 The rear end is fixedly connected with a sleeve fixing ring 501, the sleeve fixing ring 501 is fixedly connected with a wire harness sleeve 502, the wire harness sleeve 502 is fixedly connected with an electromagnetic mounting plate 506, and a pair of electromagnetic coils are installed at the rear end of the electromagnetic mounting plate ...

Embodiment 3

[0073] see Figure 1-12 , where the same or corresponding components as those in Embodiment 1 use the corresponding reference numerals as in Embodiment 1, and for the sake of simplicity, only the differences from Embodiment 1 will be described below. The difference between this embodiment 3 and embodiment 1 is: please refer to figure 2 , a focusing method of a fine-tuning compensation focus type laser marking machine, comprising the following steps:

[0074] S1. When the operator needs to laser mark the auto parts with curved surface or special-shaped surface;

[0075] S2. The operator sets the required logo in advance, and uses the fine-tuning compensation controller 3 to focus the vibrating mirror 1 for the first time;

[0076] S3. The operator starts the laser marking machine for marking;

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Abstract

The invention discloses a fine adjustment difference compensation focusing type laser marking machine and a focusing method thereof, and belongs to the field of laser marking machines. The fine adjustment difference compensation focusing type laser marking machine comprises a laser conveying piece connected with a galvanometer, and a fine adjustment focusing type field lens assembly is installed at the lower end of the galvanometer. The upper end of the galvanometer is fixedly connected with a fine adjustment difference compensation controller, the fine adjustment focusing type field lens assembly can be adjusted through the fine adjustment difference compensation controller in the marking process, focusing point errors are compensated in the marking process, the poor identification caused by the height difference of a cambered surface or a special-shaped surface is effectively solved, the difference of the identification depth is reduced, identifications on the same accessory are unified, the effectiveness of the identifications is improved, a fine adjustment air bag ring is controlled through a pneumatic connecting assembly, automatic focusing of the fine adjustment focusing type field lens assembly is effectively achieved, the automation degree of the fine adjustment focusing type field lens assembly is improved, the marking quality is improved, and the marking attractiveness is improved.

Description

technical field [0001] The invention relates to the field of laser marking machines, and more specifically, to a fine-tuning and compensation-focusing laser marking machine and a focusing method thereof. Background technique [0002] Laser marking technology is one of the largest application areas of laser processing. Laser marking is a marking method that uses a high-energy-density laser to locally irradiate the workpiece to vaporize the surface material or undergo a chemical reaction of color change, thereby leaving a permanent mark. Laser marking can print various characters, symbols and patterns, etc., and the character size can range from millimeters to microns, which has special significance for product anti-counterfeiting. The feature of laser marking is non-contact processing, which can be marked on any special-shaped surface without deformation and internal stress of the workpiece. [0003] Laser marking machine is to use laser beam to make permanent marks on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/362B23K26/046
CPCB23K26/046B23K26/362
Inventor 张健
Owner 张健
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