CN105081561A - Focus lens structure, laser cutting head and laser cutting equipment - Google Patents
Focus lens structure, laser cutting head and laser cutting equipment Download PDFInfo
- Publication number
- CN105081561A CN105081561A CN201510447841.1A CN201510447841A CN105081561A CN 105081561 A CN105081561 A CN 105081561A CN 201510447841 A CN201510447841 A CN 201510447841A CN 105081561 A CN105081561 A CN 105081561A
- Authority
- CN
- China
- Prior art keywords
- focusing lens
- laser cutting
- cutting head
- lens structure
- retainer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003698 laser cutting Methods 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims description 33
- 238000005520 cutting process Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a focus lens structure, a laser cutting head and laser cutting equipment. The focus lens structure, the laser cutting head and the laser cutting equipment are suitable for the technical field of laser machining. The focus lens structure comprises a body shell, a lens cone arranged in the body shell and internally provided with a containing space, an annular fixing ring arranged in the containing space of the lens cone, a focus lens embedded into the fixing ring and a spring seal arranged on the focus lens in a covering manner and fixing the focus lens into the fixing ring. In this way, the focus lens of the laser cutting head is conveniently and fast replaced.
Description
Technical field
The present invention relates to technical field of laser processing, particularly relate to a kind of focusing lens structure, laser cutting head and laser cutting device thereof.
Background technology
Laser cutting device is the laser will launched from laser instrument, through light path system, is focused into the laser beam of high power density.Laser beam irradiation, to surface of the work, makes workpiece reach fusing point or boiling point, and fusing or gasified metal blow away by the gases at high pressure coaxial with light beam simultaneously.Along with the movement of light beam and workpiece relative position, finally make material form joint-cutting, thus reach the object of cutting.
Laser cutting instead of traditional mechanical blades with sightless light beam, has precision high, and cutting fast, be not limited to cutting pattern restriction, Automatic Typesetting saves material, and otch is level and smooth, the features such as processing cost is low, will improve or be replaced in traditional metal cutting processes equipment gradually.Mechanical part and the workpiece of laser probe are contactless, can not cause scuffing at work to surface of the work; Laser cutting speed is fast, and smooth cut is smooth, generally without the need to following process; Cutting heat affected area is little, and sheet deformation is little, joint-cutting narrow (0.1mm ~ 0.3mm); Otch does not have mechanical stress, without shear burr; Machining accuracy is high, reproducible, not attacking material surface; Numerical control programming, can process arbitrary plane, and whole plate cutting that can be very large to breadth, without the need to mold, economy saves time.
But laser cutting head is original paper important on laser cutting device, because laser cutting head often adopts different power when cutting different materials, this just needs to adopt different focusing lens when cutting, therefore change focusing lens and become action frequent in cutting processing process, but to there is focusing lens in the focusing lens structure of existing laser cutting head change not convenient defect mostly.
In summary, in actual use, obviously there is inconvenience and defect, so be necessary to be improved in the focusing lens structure of existing laser cutting head.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide one, laser cutting head and laser cutting device thereof, convenient to make laser cutting head focusing lens change.
To achieve these goals, the invention provides a kind of focusing lens structure, comprising:
Main body cover;
Lens barrel, is arranged in described main body cover, and is provided with accommodation space in described lens barrel;
Retainer ring, in the form of a ring, is arranged in the accommodation space of described lens barrel;
Focusing lens, embeds in described retainer ring;
General plug envelope, lid is located on described focusing lens, is fixed in described retainer ring by described focusing lens.
According to described focusing lens structure, described focusing lens structure also comprises:
Regulate rotating disc, be arranged at the outside of described main body cover, and be connected with the side of described lens barrel by multiple fixture,
Described fixture is screw or bolt.
According to described focusing lens structure, the material of retainer ring and described general plug envelope is rubber or plastics.
According to described focusing lens structure, main body cover is square body.
In order to realize another goal of the invention of the present invention, present invention also offers a kind of laser cutting head comprising focusing lens structure described in above-mentioned any one.
According to described laser cutting head, described laser cutting head also comprises:
Regulate the governor motion of the cutting angle of described laser cutting head, described governor motion is arranged at the upper end of focusing lens structure;
Regulate the focus adjusting mechanism of the focusing lens of described focusing lens structure, described focus adjusting mechanism is arranged at the front end of focusing lens structure;
Protect the protection mechanism of the focusing lens of described focusing lens structure, described protection mechanism is arranged at the lower end of focusing lens structure; And
The nozzle mechanism of ejection air-flow when described laser cutting head cutting, described nozzle mechanism is arranged at the lower end of described protection mechanism.
According to described laser cutting head, described governor motion is provided with multiple adjusting bolt.
According to described laser cutting head, described protection mechanism comprises dismountable diaphragm.
According to described laser cutting head, described laser cutting head also comprises:
Be arranged at the gas nozzle structure of described protection mechanism back of the body end;
Be arranged at the dust-proof mechanism of described governor motion upper end.
In order to realize another goal of the invention of the present invention, present invention also offers a kind of laser cutting device comprising described laser cutting head.
The present invention by by focusing lens vibrational power flow for comprising the compositions such as main body cover, lens barrel, retainer ring, focusing lens, general plug envelope.Focusing lens and general plug are encapsulated in retainer ring, and then retainer ring is loaded on inside lens barrel, when focusing lens is impaired or need to change, only need remove general plug envelope, just retainer ring can be taken out after directly changing and assemble, convenient, fast, efficiently.And there is the laser cutting head of focusing lens structure, cut different materials time, different focus lens assemblies can be changed, by the focusing lens structure on cutting head, focusing lens can be changed quickly and easily, make laser cutting head use highly effective more.Further, what the present invention also provided comprises this by the laser cutting head of focusing lens structure and laser cutting device thereof, to make laser cutting head and laser cutting device convenient changing focusing lens thereof.
Accompanying drawing explanation
Fig. 1 is the stereogram of the focusing lens structure that the embodiment of the present invention provides;
Fig. 2 is the top view of the focusing lens structure that the embodiment of the present invention provides;
Fig. 3 be C-C in Fig. 2 of providing of the embodiment of the present invention to sectional view;
Fig. 4 is the front view of laser cutting head provided by the invention;
Fig. 5 is the rearview of laser cutting head provided by the invention;
Fig. 6 is the upward view of laser cutting head provided by the invention;
Fig. 7 is the stereogram of laser cutting head provided by the invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
See Fig. 1, Fig. 2 and Fig. 3, provide a kind of focusing lens structure 100 in the present invention, comprising:
Main body cover 10,
Lens barrel 20, is arranged in main body cover 10, and is provided with accommodation space in lens barrel 20;
Retainer ring 30, in the form of a ring, is arranged in the accommodation space of lens barrel 20;
Focusing lens 40, embeds in retainer ring 30;
General plug envelope 50, lid is located on focusing lens 40, is fixed in retainer ring 30 by focusing lens 40.
In this embodiment, focusing lens structure 100 is made up of main body cover 10, lens barrel 20, retainer ring 30, focusing lens 40, general plug envelope 50 etc.Focusing lens 40 and general plug envelope 50 are contained in retainer ring 30 li, and then retainer ring 30 is loaded on inside lens barrel 20, when focusing lens 40 is impaired or need to change, only need remove general plug envelope 50, retainer ring 30 be taken out after directly changing and assemble again, convenient, fast, efficiently.This focusing lens structure 100 belongs to the structure of replaceable focusing lens.Owing to have employed this structure, solve laser cutting head 200 focusing lens 40 change trouble or change not convenient problem, can when needs quick-replaceable focusing lens 40, save the time, improve efficiency, and this structure simple structure, optimize the structure of laser cutting head 200.
In one embodiment of the invention, focusing lens structure 100 also comprises:
Regulate rotating disc 60, be arranged at the outside of main body cover 10, and be connected with the side of lens barrel 20 by multiple fixture 61.Preferably, main body cover 10 is square body.In this embodiment, rotating disc 60 is regulated to be arranged at main body cover 10.Lens barrel 20 is fixed by fixture side, concrete, and fixture 61 is screw or bolt.When rotating adjustment rotating disc 60, regulating rotating disc 60 that moving lens barrel 20 can be with to do straight-line displacement, reaching the requirement regulating focusing lens 40.And the material of retainer ring 30 and general plug envelope 50 is rubber or plastics, makes retainer ring 30 and general plug envelope 50 have good elasticity, be not easy in use to damage focusing lens 40.
See Fig. 4, Fig. 5 and Fig. 6, in one embodiment of the invention, the laser cutting head 200 of the focusing lens structure 100 comprising above-mentioned multiple embodiment is additionally provided.Focusing lens 40 can be dismantled easily because laser cutting head 200 has focusing lens structure 100, with satisfied difference processing, need the frequent demand changing different focusing lens 40, and easy to operate.
See Fig. 4, Fig. 5, Fig. 6 and Fig. 7, in one embodiment of the invention, laser cutting head 200 also comprises:
Regulate the governor motion 201 of the cutting angle of described laser cutting head, governor motion 201 is arranged at the upper end of focusing lens structure 100;
Regulate the focus adjusting mechanism 206 of the focusing lens 40 of focusing lens structure 100, focus adjusting mechanism 206 is arranged at the front end of focusing lens structure 100;
The protection mechanism 202 of the focusing lens 40 of protection focusing lens structure 100, protection mechanism 202 is arranged at the lower end of focusing lens structure 100; And
Spray the nozzle mechanism 203 of air-flow when laser cutting head 200 cuts, nozzle mechanism 203 is arranged at protection mechanism 202 lower end.
In this embodiment, laser cutting head 200 is laser cutting header structure, is formed: wherein by with lower component, and the effect of governor motion 201 regulates laser cutting head 200 angle, guarantees cutting angle.Focus adjusting mechanism 206 regulates lens focus position, guarantees the effect of cutting effect.And focusing lens structure 100 can change focusing lens quickly and easily.Protection mechanism 202 is a detachable diaphragm, plays the effect of protection focusing lens 40.Governor motion 201 is provided with multiple adjusting bolt 2011.Adjusting bolt 2011 act as the angle and fastening effect that regulate laser cutting head 200.Protection mechanism 202 comprises dismountable diaphragm.In addition, laser cutting head 200 also comprises: be arranged at the gas nozzle structure 204 that protection mechanism 202 carries on the back end.Nozzle mechanism 204 is the flow direction of unique design gas; because high velocity air can be passed through in whole laser cutting head 200 inside when cutting; prevent cutting the waste residue produced and flow to diaphragm, make the not cut waste residue injury produced of operator's protective lens in cutting process.In addition, the dust-proof mechanism 205 being arranged at described governor motion upper end plays dustproof effect when inoperative.Thus, there is the laser cutting head 200 of focusing lens structure 100, replaceable focusing lens 40 cut different materials time, different focus lens assemblies can be changed, focusing lens can be changed quickly and easily by the focusing lens structure 100 on cutting head, make laser cutting head use highly effective more.
In sum, the present invention by by focusing lens vibrational power flow for comprising the compositions such as main body cover, lens barrel, retainer ring, focusing lens, general plug envelope.Focusing lens and general plug are encapsulated in retainer ring, and then retainer ring is loaded on inside lens barrel, when focusing lens is impaired or need to change, only need remove general plug envelope, just retainer ring can be taken out after directly changing and assemble, convenient, fast, efficiently.And there is the laser cutting head of focusing lens structure, cut different materials time, different focus lens assemblies can be changed, by the focusing lens structure on cutting head, focusing lens can be changed quickly and easily, make laser cutting head use highly effective more.Further, what the present invention also provided comprises this by the laser cutting head of focusing lens structure and laser cutting device thereof, to make laser cutting head and laser cutting device convenient changing focusing lens thereof.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a focusing lens structure, is characterized in that, comprising:
Main body cover;
Lens barrel, is arranged in described main body cover, and is provided with accommodation space in described lens barrel;
Retainer ring, in the form of a ring, is arranged in the accommodation space of described lens barrel;
Focusing lens, embeds in described retainer ring;
General plug envelope, lid is located on described focusing lens, is fixed in described retainer ring by described focusing lens.
2. focusing lens structure according to claim 1, is characterized in that, described focusing lens structure also comprises:
Regulate rotating disc, be arranged at the outside of described main body cover, and be connected with the side of described lens barrel by multiple fixture, described fixture is screw or bolt.
3. focusing lens structure according to claim 1, is characterized in that, the material of described retainer ring and described general plug envelope is rubber or plastics.
4. focusing lens structure according to claim 1, is characterized in that, described main body cover is square body.
5. one kind comprises the laser cutting head of the focusing lens structure described in any one of Claims 1 to 4.
6. laser cutting head according to claim 5, is characterized in that, described laser cutting head also comprises:
Regulate the governor motion of the cutting angle of described laser cutting head, described governor motion is arranged at the upper end of focusing lens structure;
Regulate the focus adjusting mechanism of the focusing lens of described focusing lens structure, described focus adjusting mechanism is arranged at the front end of focusing lens structure;
Protect the protection mechanism of the focusing lens of described focusing lens structure, described protection mechanism is arranged at the lower end of focusing lens structure; And
The nozzle mechanism of ejection air-flow when described laser cutting head cutting, described nozzle mechanism is arranged at the lower end of described protection mechanism.
7. laser cutting head according to claim 6, is characterized in that, described governor motion is provided with multiple adjusting bolt.
8. laser cutting head according to claim 6, is characterized in that, described protection mechanism comprises dismountable diaphragm.
9. laser cutting head according to claim 6, is characterized in that, described laser cutting head also comprises:
Be arranged at the gas nozzle structure of described protection mechanism back of the body end;
Be arranged at the dust-proof mechanism of described governor motion upper end.
10. one kind comprises the laser cutting device of the laser cutting head described in any one of claim 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447841.1A CN105081561B (en) | 2015-07-27 | 2015-07-27 | Focusing lens structure, laser cutting head and laser cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447841.1A CN105081561B (en) | 2015-07-27 | 2015-07-27 | Focusing lens structure, laser cutting head and laser cutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105081561A true CN105081561A (en) | 2015-11-25 |
| CN105081561B CN105081561B (en) | 2017-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510447841.1A Active CN105081561B (en) | 2015-07-27 | 2015-07-27 | Focusing lens structure, laser cutting head and laser cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105081561B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487192A (en) * | 2016-01-28 | 2016-04-13 | 福建福光股份有限公司 | Defective lens disassembling structure and using method thereof |
| CN106772900A (en) * | 2016-12-21 | 2017-05-31 | 武汉华工激光工程有限责任公司 | Optics adjusting part and mechanical-optical setup |
| CN113231739A (en) * | 2021-07-13 | 2021-08-10 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
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| US5459609A (en) * | 1993-09-01 | 1995-10-17 | Schrag; Grant M. | Hermetically sealed optical mounting assembly |
| WO2013049813A1 (en) * | 2011-10-01 | 2013-04-04 | Ipg Photonics Corporation | Head assembly for a laser processing system |
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| CN203696232U (en) * | 2014-01-13 | 2014-07-09 | 深圳市大族激光科技股份有限公司 | Focus lens component and laser cutting head |
| 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 |
| CN204397161U (en) * | 2015-01-23 | 2015-06-17 | 深圳市万顺兴科技有限公司 | A kind of miniature fiber cutting head |
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2015
- 2015-07-27 CN CN201510447841.1A patent/CN105081561B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5459609A (en) * | 1993-09-01 | 1995-10-17 | Schrag; Grant M. | Hermetically sealed optical mounting assembly |
| WO2013049813A1 (en) * | 2011-10-01 | 2013-04-04 | Ipg Photonics Corporation | Head assembly for a laser processing system |
| CN103302401A (en) * | 2013-05-22 | 2013-09-18 | 上海柏楚电子科技有限公司 | Optical fiber laser cutting head |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487192A (en) * | 2016-01-28 | 2016-04-13 | 福建福光股份有限公司 | Defective lens disassembling structure and using method thereof |
| CN105487192B (en) * | 2016-01-28 | 2018-01-12 | 福建福光股份有限公司 | A kind of bad camera lens disassemblying structure and its application method |
| CN106772900A (en) * | 2016-12-21 | 2017-05-31 | 武汉华工激光工程有限责任公司 | Optics adjusting part and mechanical-optical setup |
| CN113231739A (en) * | 2021-07-13 | 2021-08-10 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
| CN113231739B (en) * | 2021-07-13 | 2021-09-28 | 岗春激光科技（江苏）有限公司 | Lens assembly and laser welding head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105081561B (en) | 2017-03-15 |
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