CN109732197A - A kind of protection lens device - Google Patents
A kind of protection lens device Download PDFInfo
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- CN109732197A CN109732197A CN201910092365.4A CN201910092365A CN109732197A CN 109732197 A CN109732197 A CN 109732197A CN 201910092365 A CN201910092365 A CN 201910092365A CN 109732197 A CN109732197 A CN 109732197A
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- protective glass
- protection
- lens device
- groove
- screw
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Abstract
The invention discloses a kind of protection lens devices; protecting lens device includes protective glass; it protects lens device for Matching installation between the optical fiber interface end of laser cutting head and optical component and protective glass covers optical component; when protection lens device is mounted in laser cutting head, the axis of the axis at optical fiber interface end, the axis of protective glass and optical component is located in a straight line.Due to protecting lens device Matching installation between the optical fiber interface end of laser cutting head and optical component and protective glass covering optical component; during making cutting head and fiber alignment; optical component is protected blocking for mirror; pollutant can not directly be fallen on optics vigour part, can prevent the contaminated damage of optical component.
Description
Technical field
The present invention relates to laser cutting equipment fields, more particularly to one kind is for protecting lens device.
Background technique
The lower part of existing routine cutting head is cutting gas nozzle, which sprays cutting gas, is formed
The isolation of endoscope group is protected to protect the microscope group inside cutting head.But during practical application, cutting head with light
When the process of fibre docking, the easily inner cavity pollution of formation cutting head causes internal microscope group to be damaged.
Summary of the invention
The main purpose of the present invention is to provide one kind for protecting lens device, can solve in the prior art cutting head with
During fiber alignment, the technical issues of the damage easy to pollute of internal microscope group.
To achieve the above object, the present invention provides a kind of protection lens device, which is characterized in that the protection lens device includes
Protective glass；
The protection lens device for Matching installation between the optical fiber interface end of laser cutting head and optical component and
The protective glass covers the optical component, when the protection lens device is mounted in the laser cutting head, the optical fiber
The axis of the axis of interface end, the axis of the protective glass and the optical component is located in a straight line.
The present invention provides one kind for protecting lens device, since protection lens device Matching installation is in the optical fiber of laser cutting head
Between interface end and optical component and protective glass covers optical component, during making cutting head and fiber alignment, optics
Component is protected blocking for mirror, and pollutant can not directly be fallen on optics vigour part, and optical component can be prevented dirty
Dye damage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those skilled in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is that a kind of planar structure that protection lens device is assemblied in laser cutting head 0 provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is that a kind of protection lens device provided in an embodiment of the present invention is assemblied in the A-A cross-section structure in laser cutting head 0
Schematic diagram；
Fig. 3 is a kind of planar structure schematic diagram for protecting lens device provided in an embodiment of the present invention；
Fig. 4 is a kind of B-B the schematic diagram of the section structure for protecting lens device provided in an embodiment of the present invention；
Fig. 5 is the exploded perspective structural representation of a kind of protection lens device and laser cutting head 0 provided in an embodiment of the present invention
Figure.
Specific embodiment
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described reality
Applying example is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
During cutting head and fiber alignment exists in the prior art, the technology of internal microscope group damage easy to pollute is asked
Topic.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of protection lens device, due to protecting lens device Matching installation
Between the optical fiber interface end of laser cutting head and optical component and protective glass covers optical component, makes cutting head and optical fiber
During docking, optical component is protected blocking for mirror, and pollutant can not directly be fallen on optics vigour part, can prevent
The only contaminated damage of optical component.
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is that a kind of protection lens device provided in an embodiment of the present invention is assemblied in laser cutting head 0
Interior planar structure schematic diagram, Fig. 2 are that a kind of protection lens device provided in an embodiment of the present invention is assemblied in laser cutting head 0
A-A the schematic diagram of the section structure.
The protection lens device includes protective glass 1；
Protection lens device between the optical fiber interface end of laser cutting head 0 and optical component and is protected for Matching installation
Mirror 1 covers optical component, and protection lens device is when being mounted on laser cutting head 0, the axis at optical fiber interface end, protective glass 1
The axis of axis and optical component is located in a straight line.
It should be noted that one end of laser cutting head 0 needs and fiber alignment, the light of optical fiber output enter laser cutting
First 0 optical fiber interface end is emitted after the optical component inside laser cutting head 0 from the nozzle of laser cutting head 0, optics member
Device includes collimating mirror and beam expanding lens.QBH interface is one of fiber alignment interface that can be arranged on laser cutting head 0,
QBH interface is a kind of interface standard.By taking QBH interface as an example, when dismounting the QBH connector of laser cutting head 0 in order to prevent, dust etc.
Pollutant enters that collimating mirror is intracavitary from QBH interface, and valuable collimation lens is caused to pollute to burn out and scrap, will protection lens device installation
Between the QBH interface and optical component (including collimation lens) of laser cutting head 0.1 relative price of protective glass is cheap, due to
Protective glass 1 blocks valuable optical component, and capable of preventing pollutant from entering from QBH interface, collimating mirror is intracavitary, and pollutant preferentially falls
Onto protective glass 1, protective glass 1 can learn that the pollution of protective glass 1 is burnt out by effective detection means after being burned, once detection
It is burnt to the pollution of protective glass 1, can stop cutting in time, replace protective glass 1, to play the role of reducing loss.
Further, which is suitable for carrying safely under small space, eyeglass is protected in precompressed, cuts in laser
It when working when cutting first 0 connection optical fiber or after connection, is consumed with the eyeglass of low cost, the internal valuable optical component of protection.
Further, Fig. 3 to Fig. 5 is please referred to, Fig. 3 is a kind of the flat of protection lens device provided in an embodiment of the present invention
Face structural schematic diagram, Fig. 4 are a kind of B-B the schematic diagram of the section structure for protecting lens device provided in an embodiment of the present invention, and Fig. 5 is this
The exploded perspective structural schematic diagram of a kind of protection lens device and laser cutting head 0 that inventive embodiments provide.
The protection lens device further includes protection microscope base 2；
First through hole is provided on protection microscope base 2, protective glass 1 is fixed on protection microscope base 2 and covers first through hole.
It should be noted that opening up first through hole on protection microscope base 2, it is preferred that axis, the protective glass 1 at optical fiber interface end
Axis, the axis of first through hole and the axis of optical component be located in a straight line, can effectively guarantee laser emitting.
Further, protection lens device further includes protective glass cover board 3；
The first groove is provided on protection microscope base 2, the first groove includes the protection mirror trough and slot cover of superposition, protects mirror trough
Positioned at the bottom of the first groove, and the notch of mirror trough is protected to be less than the notch of slot cover, protective glass 1, which is fixed on, to be protected in mirror trough,
And 3 covering protection mirror 1 of protective glass cover board and be located at slot cover in, first through hole be located at protection mirror trough bottom surface, protective glass cover board 3
The second through-hole is provided at the upper position corresponding to first through hole.
Further, protection lens device further includes several screws 4；
The slot bottom of slot cover is provided with several the first screw holes, the position corresponding with the first screw hole of protective glass cover board 3
Place is provided with the second screw hole, and screw 4 passes through the second screw hole and the first screw hole, by protective glass cover board 3 and protection microscope base 2
It is fixed together, thus fixed protective glass 1.
Further, screw 4 is interior hexagonal flat head screw；
The second groove, protective glass cover board 3 and the first face phase are offered on first face opposite with slot cover of protective glass cover board 3
Third groove is offered on second face of back, the cell wall and third of internal screw thread and the second groove are provided on the cell wall of the second groove
The cell wall of groove connects, and the second groove is made to be connected into the second screw hole with third groove；
Screw 4 is threaded through the second groove and the first screw hole, and the top of screw 4 is located in third groove and the top surface of screw 4
It is lower than or flushes in the top surface of protective glass cover board 3.
It should be noted that protective glass cover board 3 of the invention is located in slot cover, make protective glass cover board 3 and protection microscope base 2
Matching installation, the edge of protective glass 1 is placed in protection mirror trough, and covering protection mirror cover plate on edge, so that protective glass 1 is protected
The Double Pressures of goggle seat 2 and protective glass cover board 3 will protect microscope base 2 and protective glass cover board 3 to be fixed together using screw 4, from
And fix protective glass 1.
Further, it protects one end of microscope base 2 to be provided perpendicular to the protruding block of the plane of protective glass 1, and protects microscope base 2
The other end shape be it is arc-shaped.
Further, protective glass 1 is plane mirror.
It should be noted that in order to which lens device and 0 Matching installation of laser cutting head will be protected, in the side of laser cutting head 0
In wall outside wall surface, third through-hole is opened up between optical component and fiber alignment, the shape and structure of the third through-hole and guarantor
The shape and structure of one end of goggle seat 2 matches.Specifically, third through-hole includes the 4th groove and the 5th groove, laser cutting
In first 0 side wall outside wall surface, the 4th groove, the side wall of laser cutting head 0 are opened up between optical component and optical fiber interface end
On inner wall, the 5th groove is opened up between optical component and optical fiber interface end, the side wall of the 5th groove and the 4th groove
Bottom surface connection, makes the 4th groove be connected into third through-hole with the 5th groove.When protection lens device Matching installation is in laser cutting head 0
When upper, the shape of protruding block and the shape of the 4th groove match, and the bottom of the 4th groove is provided with third screw hole, protruding block
The 4th screw hole is provided at position corresponding with third screw hole, screw passes through the 4th screw hole and third screw hole, will protect
Lens device is fixed on laser cutting head 0.
The protection lens device is designed using standalone unit, it may be convenient to is mounted on laser cutting head 0, and be replaced dimension
When shield, protection lens device is convenient for dismantling from laser cutting head 0.Protect lens device composition simple, convenient for control assembly precision, and
Component thickness is small, is able to satisfy the requirement of the confined space.The edge of protective glass 1 is clamped using protection microscope base 2 and protective glass cover board 3,
It is locked using several hexagonal flat head screws.The intracavitary of lens device insertion laser cutting head 0 is protected, is fixed by screw locking.
In embodiments of the present invention, since protection lens device Matching installation is in the optical fiber interface end of laser cutting head and optics
Between component and protective glass covers optical component, and during making cutting head and fiber alignment, optical component is protected
Goggle blocks, and pollutant can not directly be fallen on optics vigour part, can prevent the contaminated damage of optical component.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiments.
The above are to a kind of description for protecting lens device provided by the present invention, for those skilled in the art, foundation
The thought of the embodiment of the present invention, there will be changes in the specific implementation manner and application range, to sum up, the content of the present specification
It should not be construed as limiting the invention.
Claims (7)
1. a kind of protection lens device, which is characterized in that the protection lens device includes protective glass；
The protection lens device is between the optical fiber interface end of laser cutting head and optical component and described for Matching installation
Protective glass covers the optical component, when the protection lens device is mounted in the laser cutting head, the optical fiber interface
The axis of the axis at end, the axis of the protective glass and the optical component is located in a straight line.
2. protection lens device according to claim 1, which is characterized in that the protection lens device further includes protection microscope base；
First through hole is provided on the protection microscope base, the protective glass is fixed on the protection microscope base and covers described first
Through-hole.
3. protection lens device according to claim 2, which is characterized in that the protection lens device further includes protection mirror cover
Plate；
The first groove is provided on the protection microscope base, first groove includes the protection mirror trough and slot cover of superposition, described
Protective glass slot position is in the bottom of first groove, and the notch of the protection mirror trough is less than the notch of the slot cover, described
Protective glass is fixed in the protection mirror trough, and the protective glass cover board covers the protective glass and is located in the slot cover,
The first through hole is located at the bottom surface of the protection mirror trough, corresponds at the position of the first through hole on the protective glass cover board
It is provided with the second through-hole.
4. protection lens device according to claim 3, which is characterized in that the protection lens device further includes several spiral shells
Nail；
The slot bottom of the slot cover is provided with several the first screw holes, and the protective glass cover board is corresponding with first screw hole
Position at be provided with the second screw hole, the screw passes through second screw hole and first screw hole, will be described
Protective glass cover board and the protection microscope base are fixed together, thus the fixed protective glass.
5. protection lens device according to claim 4, which is characterized in that the screw is interior hexagonal flat head screw；
The second groove, the protective glass cover board and institute are offered on the protective glass cover board the first face opposite with the slot cover
It states and offers third groove on the second opposite face of the first face, internal screw thread and described the are provided on the cell wall of second groove
The cell wall of two grooves is connect with the cell wall of the third groove, and second groove is made to be connected into described with the third groove
Two-screw hole；
The screw is threaded through second groove and first screw hole, and the top of the screw is located in the third groove
And the top surface of the screw is lower than or flushes in the top surface of the protective glass cover board.
6. protection lens device according to claim 4, which is characterized in that one end of the protection microscope base is provided perpendicular to
The protruding block of the plane of the protective glass, and the shape of the other end of the protection microscope base is arc-shaped.
7. protection lens device according to claim 4, which is characterized in that the protective glass is plane mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092365.4A CN109732197A (en) | 2019-01-30 | 2019-01-30 | A kind of protection lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092365.4A CN109732197A (en) | 2019-01-30 | 2019-01-30 | A kind of protection lens device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109732197A true CN109732197A (en) | 2019-05-10 |
Family
ID=66366707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092365.4A Pending CN109732197A (en) | 2019-01-30 | 2019-01-30 | A kind of protection lens device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109732197A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260415A (en) * | 1994-03-16 | 1995-10-13 | Ishikawajima Harima Heavy Ind Co Ltd | Beam shield mechanism in laser interferometer for detecting stage position |
| CN201988842U (en) * | 2010-12-24 | 2011-09-28 | 深圳市大族激光科技股份有限公司 | Optical laser cutting head |
| CN202506982U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Support laser cutting equipment |
| CN202763296U (en) * | 2012-09-13 | 2013-03-06 | 苏州领创激光科技有限公司 | Lens double-protection optical fiber laser cutting head |
| CN204035802U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of protective glass assembly for optical-fiber laser |
| CN204035801U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of optical laser cutting head for mid power |
| CN205342232U (en) * | 2016-01-25 | 2016-06-29 | 深圳市万顺兴科技有限公司 | High -power optic fibre laser cutting machine cutting head |
| CN206732375U (en) * | 2017-03-16 | 2017-12-12 | 无锡斯塔克激光装备制造有限公司 | A kind of slave laser cutting head |
-
2019
- 2019-01-30 CN CN201910092365.4A patent/CN109732197A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07260415A (en) * | 1994-03-16 | 1995-10-13 | Ishikawajima Harima Heavy Ind Co Ltd | Beam shield mechanism in laser interferometer for detecting stage position |
| CN201988842U (en) * | 2010-12-24 | 2011-09-28 | 深圳市大族激光科技股份有限公司 | Optical laser cutting head |
| CN202506982U (en) * | 2012-01-19 | 2012-10-31 | 昆山思拓机器有限公司 | Support laser cutting equipment |
| CN202763296U (en) * | 2012-09-13 | 2013-03-06 | 苏州领创激光科技有限公司 | Lens double-protection optical fiber laser cutting head |
| CN204035802U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of protective glass assembly for optical-fiber laser |
| CN204035801U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of optical laser cutting head for mid power |
| CN205342232U (en) * | 2016-01-25 | 2016-06-29 | 深圳市万顺兴科技有限公司 | High -power optic fibre laser cutting machine cutting head |
| CN206732375U (en) * | 2017-03-16 | 2017-12-12 | 无锡斯塔克激光装备制造有限公司 | A kind of slave laser cutting head |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |
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| RJ01 | Rejection of invention patent application after publication |