Optical path transmission protection structure

By using a light path transmission protection structure composed of a flexible bellows cover and a dust cover in laser cutting equipment, the problem of easy contamination of optical lenses is solved, effective protection of the light path is achieved, maintenance costs are reduced, and maintenance cycles are extended.

CN223776311UActive Publication Date: 2026-01-09SHENZHEN MONOCHROMATICITY TECH CO LTD
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Patent Information

Application Number
CN202520320272.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-09
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

Optical lenses in laser optical path systems are prone to dust and contaminants, leading to poor optical transmission, high maintenance costs, and short maintenance cycles.

Method used

The optical path transmission protection structure consists of a first flexible bellows cover, a main dust cover, a secondary dust cover, a first protective sleeve, a second protective sleeve, and a second flexible bellows cover, which covers and protects the laser transmission path and prevents dust and contaminants from entering.

Benefits of technology

It achieves effective protection of the optical path, reduces the maintenance cost of optical components, and extends the maintenance cycle.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223776311U_ABST
Patent Text Reader

Abstract

The utility model discloses an optical path transmission protection structure which is installed on an installation platform and comprises a first flexible organ cover, a main dust cover, an auxiliary dust cover, a first protection sleeve, a second protection sleeve and a second flexible organ cover. An emission position is formed on the middle section of the mounting platform, a light path terminal position is formed in front of the middle section, and a light path transmission position is formed on one side; a main dustproof cover is arranged on the light path transmission position, and a first flexible organ cover is arranged between the input end of the main dustproof cover and the laser generator; a first reflecting mirror and a second reflecting mirror are arranged on one side, adjacent to the light path transmission position, of the light path terminal position; the auxiliary dustproof cover covers the first reflecting mirror, and the output end of the main dustproof cover is connected with the input end of the auxiliary dustproof cover through the first protective sleeve; one end of the second protective sleeve penetrates into the output end of the auxiliary dustproof cover, and the other end of the second protective sleeve is communicated to the second reflecting mirror; a second flexible organ cover is mounted to an outer layer of the second protective sleeve. The optical path of the whole machine can be protected and prevented from dust.
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Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting equipment technical field especially is related to a light path transmission protection structure. BACKGROUND

[0002] Laser cutting is the laser that emits from laser, through laser light path system, focuses into high power density laser beam. Laser beam irradiation reaches workpiece surface, makes workpiece reach melting point or boiling point, high pressure gas with the beam coaxially blows away melted or gasified metal, with the relative position of light beam and workpiece movement, finally makes material form cut joint, thereby reaches the purpose of cutting, laser cutting processing is invisible light beam instead of traditional mechanical knife, has high precision, cutting is fast, is not limited to cutting pattern restriction, automatic layout saves material, cutout is smooth, processing cost is low etc.

[0003] At present, laser light path system includes laser generator, laser transmission device and laser focusing mirror;Among them, the laser transmission device that connects the laser generator and the laser focusing mirror contains more optical lenses, if the lens is directly exposed in the air, it is very easy to adhere dust, oil stains or other pollutants, it is difficult to clean, so that the optical lens is dirty, which causes adverse effects on laser light path transmission. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of light path transmission protection structures.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of light path transmission protection structure, is installed on the installation platform where laser transmission device is located, it includes first flexible organ case, main dust cover, auxiliary dust cover, first protective sleeve, second protective sleeve and second flexible organ case;

[0007] The installation platform is formed with emission site on the top surface of middle section, light path terminal site is formed in front of middle section, light path transmission site is formed with the light path terminal site and emission site connection on the top surface of one side;Emission site is equipped with laser generator, the light path transmission site is equipped with the main dust cover, and the input end between the main dust cover and laser generator is equipped with the first flexible organ case, and laser transmission device is arranged in the main dust cover;The light path terminal site is equipped with first reflector and second reflector on one side adjacent to light path transmission site, and galvanometer assembly is arranged on the other side opposite to second reflector;

[0008] The first reflector cover is arranged by the auxiliary dust cover, the output end of the main dust cover is connected with the input end of the auxiliary dust cover through the first protective sleeve, one end of the second protective sleeve penetrates into the output end of the auxiliary dust cover, and the other end of the second protective sleeve is communicated to the second reflector, and the second flexible organ cover is installed to the outer layer of the second protective sleeve.

[0009] As a further technical scheme of the utility model, the Z-axis module is arranged on the side of the galvanometer assembly at the light path terminal position of the mounting platform, and a supporting seat for supporting the galvanometer assembly, the second reflector and the second protective sleeve is arranged on the driving end of the Z-axis module.

[0010] As a further technical scheme of the utility model, the main dust cover comprises a bottom plate, a dust frame and a top cover, the bottom plate of the main dust cover is installed on the light path transmission position, the laser transmission device is arranged on the top surface of the bottom plate, a plurality of plate mounting columns are arranged on the bottom plate along the edge spacing, a dust plate is arranged between every two adjacent plate mounting columns, and the dust frame is surrounded by the plurality of plate mounting columns and the dust plates; and the top cover is covered on the dust frame.

[0011] As a further technical scheme of the utility model, the auxiliary dust cover comprises a fixing seat connected with the mounting platform and a cover body arranged on the fixing seat, a bracket for arranging the first reflector is arranged in the fixing seat, and a through opening for the second protective sleeve to penetrate into is arranged in the bottom of the bracket and opposite to the bracket in the upward and downward directions.

[0012] As a further technical scheme of the utility model, the mounting platform is made of marble.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the light path transmission protection structure is formed by the cooperation between the first flexible organ cover, the main dust cover, the auxiliary dust cover, the first protective sleeve, the second protective sleeve and the second flexible organ cover, the protection and dust prevention of the whole machine light path are realized while the light path transmission is realized, and the maintenance cost of the optical device is reduced and the maintenance period is increased. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the light path transmission protection structure.

[0015] Figure 2 It is a top view of the light path transmission protection structure.

[0016] Figure 3 It is a C-C sectional view of the light path transmission protection structure. Figure 2 DETAILED DESCRIPTION

[0017] ​The specific embodiments of the present application are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the scope of protection of the present application.

[0018] Please refer to Figures 1-3 A light path transmission protection structure is installed on the installation platform 10 where the laser transmission device is located, which comprises a first flexible piano case 11, a main dust cover 12, a secondary dust cover 13, a first protective sleeve 14, a second protective sleeve 15 and a second flexible piano case 16.

[0019] The installation platform 10 is formed with a transmitting position 101 on the top surface of the middle section, a light path terminal position 102 in front of the middle section, and a light path transmission position 103 connecting the transmitting position 101 and the light path terminal position 102 on the top surface of one side; the transmitting position 101 is provided with a laser generator 31, the light path transmission position 103 is provided with the main dust cover 12, the first flexible piano case 11 is arranged between the input end of the main dust cover 12 and the laser generator 31, and the laser transmission device is arranged in the main dust cover 12; the light path terminal position 102 is provided with a first mirror 32 and a second mirror 33 on one side adjacent to the light path transmission position 103, and a galvanometer assembly 34 opposite to the second mirror 33 on the other side.

[0020] The secondary dust cover 13 covers the first mirror 32, the first protective sleeve 14 connects the output end of the main dust cover 12 and the input end of the secondary dust cover 13, one end of the second protective sleeve 15 penetrates into the output end of the secondary dust cover 13, and the other end of the second protective sleeve 15 is communicated to the second mirror 33; the second flexible piano case 16 is installed to the outer layer of the second protective sleeve 15.

[0021] Further, in the embodiment, the installation platform 10 is provided with a Z-axis module 35 on the side where the galvanometer assembly 34 of the light path terminal position 102 is located, the driving end of the Z-axis module 35 is provided with a support 351 supporting the galvanometer assembly 34, the second mirror 33 and the second protective sleeve 15, so that the driving end of the Z-axis module 35 drives the galvanometer assembly 34, the second mirror 33 and the second protective sleeve 15 to ascend and descend, and the second flexible piano case 16 stretches or compresses along with the ascending and descending of the galvanometer assembly 34, the second mirror 33 and the second protective sleeve 15.

[0022] Further, in the embodiment, the main dust cover 12 comprises a bottom plate 121, a dustproof frame 122 and a top cover 123, the bottom plate 121 of the main dust cover 12 is installed on the light path transmission position 103, the laser transmission device is arranged on the top surface of the bottom plate 121, the bottom plate 121 is provided with a plurality of plate mounting columns 1211 along the edge spacing, and a dustproof plate 1212 is inserted between every two adjacent plate mounting columns 1211, so that the dustproof frame 122 is surrounded by the plurality of plate mounting columns 1211 and the dustproof plates 1212; and the top cover 123 is capped on the dustproof frame 122.

[0023] Further, in the embodiment, the auxiliary dust cover 13 comprises a fixing seat 131 connected with the installation platform 10 and a cover body 132 covered on the fixing seat 131, the fixing seat 131 is provided with a bracket 133 for supporting the first reflector 32 and a through opening 301 formed in the bottom of the fixing seat 131 and opposite to the bracket 133 in the up-down direction, so that when the second protective sleeve 15 passes through the through opening 301, the second protective sleeve 15 is below the bracket 133 and is lifted relative to the first reflector 32.

[0024] Further, in the embodiment, the installation platform 10 is made of marble.

[0025] It can be understood that the use method of the light path transmission protection structure is as follows: the laser emitted by the laser generator 31 passes through the first flexible organ cover 11 into the main dust cover 12, the laser transmission device in the main dust cover 12 guides the laser from the input end to the output end of the main dust cover 12 and introduces the laser into the auxiliary dust cover 13 from the first protective sleeve 14; the first reflector 32 in the auxiliary dust cover 13 reflects the laser from the second protective sleeve 15 to the second reflector 33, and the second reflector 33 reflects the laser to the galvanometer assembly 34. In this way, the transmission of the light path is completed, the protection and dust prevention of the whole machine light path are realized, and the maintenance cost of the optical device is reduced and the maintenance period is increased.

[0026] In summary, the light path transmission protection structure realizes the protection and dust prevention of the whole machine light path while transmitting the light path through the cooperation between the first flexible organ cover 11, the main dust cover 12, the auxiliary dust cover 13, the first protective sleeve 14, the second protective sleeve 15 and the second flexible organ cover 16, so that the maintenance cost of the optical device is reduced and the maintenance period is increased.

[0027] As long as the various different embodiments of the utility model are combined arbitrarily without violating the thought of the utility model creation, they shall be regarded as the disclosed contents of the utility model; within the technical conception range of the utility model, the simple modification of the technical scheme and the arbitrary combination of different embodiments without violating the thought of the utility model creation shall be within the protection range of the utility model.

Claims

1. An optical path transmission protection structure installed on a mounting platform (10) on which a laser transmission device is mounted, characterized in that: The first flexible wind cover (11), the main dust cover (12), the auxiliary dust cover (13), the first protective sleeve (14), the second protective sleeve (15) and the second flexible wind cover (16) are provided. The installation platform (10) is provided with a transmitting position (101) on the top surface of the middle section, a light path terminal position (102) in front of the middle section, and a light path transmission position (103) on the top surface of one side, connecting the transmitting position (101) and the light path terminal position (102); the transmitting position (101) is provided with a laser generator (31), the light path transmission position (103) is provided with the main dust cover (12), the first flexible wind cover (11) is arranged between the input end of the main dust cover (12) and the laser generator (31), and the laser transmission device is arranged in the main dust cover (12); the light path terminal position (102) is provided with a first reflector (32) and a second reflector (33) on one side adjacent to the light path transmission position (103), and is provided with a galvanometer assembly (34) opposite to the second reflector (33) on the other side. The auxiliary dust cover (13) covers the first reflector (32), the first protective sleeve (14) connects the output end of the main dust cover (12) and the input end of the auxiliary dust cover (13), one end of the second protective sleeve (15) penetrates into the output end of the auxiliary dust cover (13), and the other end of the second protective sleeve (15) is communicated to the second reflector (33); the second flexible wind cover (16) is installed to the outer layer of the second protective sleeve (15).

2. The optical path transmission guard structure according to claim 1, characterized in that: The installation platform (10) is provided with a Z-axis module (35) on the side where the galvanometer assembly (34) of the light path terminal position (102) is located, and the driving end of the Z-axis module (35) is provided with a support (351) supporting the galvanometer assembly (34), the second reflector (33) and the second protective sleeve (15).

3. The optical path transmission guard structure according to claim 1, characterized in that: The main dust cover (12) comprises a bottom plate (121), a dustproof frame (122) and a top cover (123), the bottom plate (121) of the main dust cover (12) is installed on the light path transmission position (103), the laser transmission device is arranged on the top surface of the bottom plate (121), a plurality of plate mounting columns (1211) are arranged on the edge of the bottom plate (121) at intervals, and a dustproof plate (1212) is arranged between every two adjacent plate mounting columns (1211), so that the dustproof frame (122) is formed by the plurality of plate mounting columns (1211) and the dustproof plates (1212); and the top cover (123) is covered on the dustproof frame (122).

4. The optical path transmission guard structure according to claim 1, characterized in that: The auxiliary dust cover (13) comprises a fixing seat (131) connected with the installation platform (10) and a cover body (132) covering the fixing seat (131), the fixing seat (131) is provided with a bracket (133) supporting the first reflector (32) and a through hole (301) penetrating the second protective sleeve (15) and opposite to the bracket (133) on the bottom.

5. The optical path transmission guard structure according to claim 1, characterized in that: The installation platform (10) is made of marble.