CN107363416A - A kind of laser ring cutter device and its control method - Google Patents
A kind of laser ring cutter device and its control method Download PDFInfo
- Publication number
- CN107363416A CN107363416A CN201710565611.4A CN201710565611A CN107363416A CN 107363416 A CN107363416 A CN 107363416A CN 201710565611 A CN201710565611 A CN 201710565611A CN 107363416 A CN107363416 A CN 107363416A
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- China
- Prior art keywords
- optical component
- light beam
- laser
- control method
- cutter device
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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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to laser cutting field, specifically a kind of laser ring cutter device and its control method.Including laser beam emitting device, it is characterised in that：The lower section of the laser beam emitting device is sequentially provided with the first optical component, the second optical component, the 3rd optical component, the 4th optical component and workpiece from top to bottom, and the side of the 4th optical component is connected with motor.The present invention is compared with the existing technology, simple in construction, easy to use；Adjust the position of the 4th optical component simultaneously by motor, the focal position of focal beam spot can be controlled.
Description
Technical field
The present invention relates to laser cutting field, specifically a kind of laser ring cutter device and its control method.
Background technology
In Laser cutting application process, it is mostly multimode circle that current most of cutting head, which focuses on the laser facula to be formed,
Shape hot spot.Circular light spot General Central energy density is higher, and edge fluence is low.The laser of this Energy distribution is adding
During work workpiece, easily cause spot center energy surplus, two and the problem of insufficient edge energy, cause laser energy cutting
During the problem of can not making full use of.
A kind of disclosed schemes of document US20160116679A1, the program mainly enter optical fiber by adjusting laser coupled
When incidence angle realize that final focal beam spot forms ring-shaped light spot.Ring-shaped light spot central energy is zero, and edge energy is higher, this
Kind Energy distribution can sufficiently utilize the energy of laser, can effectively improve the efficiency of laser cutting.But in the program, portion
Part is more, and implementation process is complex.
The content of the invention
The present invention is overcome the deficiencies in the prior art, designs a kind of laser ring cutter device and its control method, passes through tune
Section focuses on the position of positive lens, to adjust the position of the focus point of laser beam, to realize the processing to different workpieces.
To achieve the above object, a kind of laser ring cutter device and its control method, including laser beam emitting device are designed, its
It is characterised by：The lower section of the laser beam emitting device be sequentially provided with from top to bottom the first optical component, the second optical component,
3rd optical component, the 4th optical component and workpiece, the side of the 4th optical component are connected with motor；
Cutting method comprises the following steps：1）S1, laser beam emitting device are emitted the first light beam, and the first light beam is by the first optics member
The second light beam is formed after device convergence；2）S2, after the second light beam passes sequentially through the second optical component and the 3rd optical component
Form the 3rd light beam of annular；3）S3, the 3rd light beam may finally gather after the convergence of the 4th optical component on workpiece
Jiao forms corresponding ring focusing hot spot, and can regulate and control light by the upper-lower position of motor the 4th optical component of regulation
The position of spot, to process different types of workpiece.
First optical component is positive lens.
Second optical component is negative any of Conical Lenses and positive round axicon lens.
3rd optical component is positive round axicon lens.
4th optical component is positive lens.
The 3rd light beam that annular is formed in the step 2 comprises the following steps：1）Second light beam passes through the second optics member
The light beam of the diverging of an annular is formed after device；2）The divergent beams of annular form one after the 3rd optical component
The 3rd parallel light beam of individual annular.
The present invention is compared with the existing technology, simple in construction, easy to use；4th optical component is adjusted by motor simultaneously
Position, the focal position of focal beam spot can be controlled.
Brief description of the drawings
Fig. 1 is the light path principle schematic diagram that ring-shaped light spot of the present invention is formed.
Fig. 2 be present invention regulation light spot focus position embodiment in component diverse location structural representation.
Referring to Fig. 1~Fig. 2, wherein, 1 is laser beam emitting device, and 2 be the first optical component, and 3 be the second optics member device
Part, 4 be the 3rd optical component, and 5 be the 4th optical component, and 6 be the first light beam, and 7 be the second light beam, and 8 be the 3rd light beam, 9
It is the 4th light beam, 10 be motor, and 11 be workpiece.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As shown in figure 1, the lower section of the laser beam emitting device 1 is sequentially provided with the first optical component 2, second from top to bottom
Optical component 3, the 3rd optical component 4, the 4th optical component 5 and workpiece 11, the side of the 4th optical component 5
It is connected with motor 10；
Cutting method comprises the following steps：1）S1, laser beam emitting device 1 are emitted the first light beam 6, and the first light beam 6 passes through the first light
Learn after component 2 converges and form the second light beam 3；2）S2, the second light beam 7 pass sequentially through the second optical component 3 and the 3rd optics
The 3rd light beam 8 of annular is formed after component 4；3）S3, the 3rd light beam 8 finally may be used after the convergence of the 4th optical component 5
Corresponding ring focusing hot spot is formed to be focused on workpiece 11, and the 4th optical component 5 is adjusted by motor 10
Upper-lower position can regulate and control the position of hot spot, to process different types of workpiece.
First optical component 2 is positive lens.
Second optical component 3 is negative any of Conical Lenses and positive round axicon lens.
3rd optical component 4 is positive round axicon lens.
4th optical component 5 is positive lens.
The 3rd light beam that annular is formed in the step 2 comprises the following steps：1）Second light beam 7 passes through the second optics member
The light beam of the diverging of an annular is formed after device 3；2）The divergent beams of annular are formed after the 3rd optical component 4
The 3rd parallel light beam 8 of one annular.
The present invention is in use, the first light beam 6 incides on the first optical component 2 first, the position of the first optical component 2
It is fixed；After on the first optical component 2, the first light beam 6 is converted into the second parallel light beam 7 of circle by diverging light, and
Enter the second optical component 3 afterwards；For 3rd optical component 4 under the second optical component 3, light beam passes through the 3rd optics member
Enter the 4th optical component 5 after device 4, the 4th optical component 5 is under the 3rd optical component 4；3rd light beam 8 passes through
After 4th optical component 4, focus on the workpiece after difference 11, the 4th optical component 4 can be adjusted relatively with motor 10
The position answered.
The present invention can form the laser beam of annular by the second optical component 3 and the 3rd optical component 4.
By the relative position of the optical component 5 of control the 4th and other optical components, final focusing light can be regulated and controled
The focal position of spot.
After first light beam 6 enters the first optical component 2, the first light beam is converted into parallel the of circle by 6 diverging lights
Two light beams 7, therefore the selection of the first optical component 2 is positive lens.
Circular the second parallel light beam 7 will form annulus after the second optical component 3 and the 3rd optical component 4
3rd light beam 8 of shape.To implement said process, the particularly preferred scheme of the second optical component 3 one is to bear Conical Lenses, the 3rd
Optical component 4 is positive round axicon lens.After the second circular light beam 7 first passes through the refraction diverging of the second optical component 3, then pass through
The refraction convergence of 3rd optical component 4, forms the 3rd light beam 8 that cross section is in annular.
Another preferred scheme is that the second optical component 3 is positive round axicon lens, and the 3rd optical component 4 is also saturating for normal cone
Mirror.After the second circular light beam 7 first passes through the refraction diverging of the second optical component 3, then reflected and converged by the 3rd optical component 4
It is poly-, form the 3rd light beam 8 that cross section is in annular.
Meanwhile adjust the position of the 4th optical component 5 simultaneously by motor 10, the focus position of focal beam spot can be controlled
Put.
Embodiment 1：
Such as Fig. 2（a）Shown, laser beam emitting device 1 is emitted the first light beam 6 to dissipate circular light beam, by the first optical component 2
Convergence turns into parallel the second circular light beam 7 afterwards.Second light beam 7 is after the refraction diverging of the second optical component 3, then passes through
The refraction convergence of 3rd optical component 4, forms the 3rd light beam 8 that cross section is in annular.3rd light beam 8 is by the 4th optics member
Device 5 focuses on after converging will form ring focusing hot spot on workpiece 11, to realize the processing to workpiece.
Such as Fig. 2（b）Shown, when equipment needs to change workpieces processing, the position of focused spot may be also required to change therewith
Become, to ensure workpieces processing material in high quality.Motor 10 will drive the 4th optical component 5 to move a spacing along optical axis direction
From rear, focal beam spot focal position is by displacement d.
Claims (6)
1. a kind of laser ring cutter device and its control method, including laser beam emitting device, it is characterised in that：The Laser emission
Device（1）Lower section be sequentially provided with the first optical component from top to bottom（2）, the second optical component（3）, the 3rd optics member device
Part（4）, the 4th optical component（5）And workpiece（11）, the 4th optical component（5）Side be connected with motor（10）；
Cutting method comprises the following steps：1）S1, laser beam emitting device（1）It is emitted the first light beam（6）, the first light beam（6）By
First optical component（2）The second light beam is formed after convergence（3）；2）S2, the second light beam（7）Pass sequentially through the second optical component
（3）With the 3rd optical component（4）The 3rd light beam of annular is formed afterwards（8）；3）S3, the 3rd light beam（8）By the 4th optics
Component（5）May finally be in workpiece after convergence（11）Upper focusing forms corresponding ring focusing hot spot, and passes through motor
（10）Adjust the 4th optical component（5）Upper-lower position can regulate and control the position of hot spot, to process different types of workpiece.
2. a kind of laser ring cutter device as claimed in claim 1 and its control method, it is characterised in that：First optics
Component（2）For positive lens.
3. a kind of laser ring cutter device as claimed in claim 1 and its control method, it is characterised in that：Second optics
Component（3）To bear any of Conical Lenses and positive round axicon lens.
4. a kind of laser ring cutter device as claimed in claim 1 and its control method, it is characterised in that：3rd optics
Component（4）For positive round axicon lens.
5. a kind of laser ring cutter device as claimed in claim 1 and its control method, it is characterised in that：4th optics
Component（5）For positive lens.
6. a kind of laser ring cutter device as claimed in claim 1 and its control method, it is characterised in that shape in the step 2
The 3rd light beam into annular comprises the following steps：1）Second light beam（7）Pass through the second optical component（3）A circle is formed afterwards
The light beam of the diverging of annular；2）The divergent beams of annular pass through the 3rd optical component（4）One annular of formation is flat afterwards
The 3rd capable light beam（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565611.4A CN107363416A (en) | 2017-07-12 | 2017-07-12 | A kind of laser ring cutter device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565611.4A CN107363416A (en) | 2017-07-12 | 2017-07-12 | A kind of laser ring cutter device and its control method |
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| Publication Number | Publication Date |
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| CN107363416A true CN107363416A (en) | 2017-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710565611.4A Pending CN107363416A (en) | 2017-07-12 | 2017-07-12 | A kind of laser ring cutter device and its control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549007A (en) * | 2019-08-13 | 2019-12-10 | 江苏屹诚激光装备制造有限公司 | High-precision laser cutting equipment |
| CN111975216A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Multi-beam laser processing device and method |
| CN112975159A (en) * | 2021-03-17 | 2021-06-18 | 武汉先河激光技术有限公司 | Laser cutting device of circumference cutting |
| CN114156718A (en) * | 2021-10-25 | 2022-03-08 | 武汉凌云光电科技有限责任公司 | Portable laser wire stripping device and wire stripping method thereof |
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| CN2690098Y (en) * | 2004-01-30 | 2005-04-06 | 武汉天宇激光数控技术有限责任公司 | Laser circular cutting and perforating device |
| CN102985214A (en) * | 2010-04-22 | 2013-03-20 | 通快机床两合公司 | Beam-forming unit for focussing a laser beam and method for the activation thereof |
| CN103071928A (en) * | 2012-12-31 | 2013-05-01 | 江苏大学 | Method for machining small hole in carbon fiber composite material by annular pulse laser |
| CN105689890A (en) * | 2016-04-05 | 2016-06-22 | 沈阳工业大学 | Annular laser welding head and annular laser welding method |
| CN106624355A (en) * | 2017-02-23 | 2017-05-10 | 常州特尔玛枪嘴有限公司 | Laser cutting head capable of regulating pot energy density distribution |
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- 2017-07-12 CN CN201710565611.4A patent/CN107363416A/en active Pending
Patent Citations (5)
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| CN2690098Y (en) * | 2004-01-30 | 2005-04-06 | 武汉天宇激光数控技术有限责任公司 | Laser circular cutting and perforating device |
| CN102985214A (en) * | 2010-04-22 | 2013-03-20 | 通快机床两合公司 | Beam-forming unit for focussing a laser beam and method for the activation thereof |
| CN103071928A (en) * | 2012-12-31 | 2013-05-01 | 江苏大学 | Method for machining small hole in carbon fiber composite material by annular pulse laser |
| CN105689890A (en) * | 2016-04-05 | 2016-06-22 | 沈阳工业大学 | Annular laser welding head and annular laser welding method |
| CN106624355A (en) * | 2017-02-23 | 2017-05-10 | 常州特尔玛枪嘴有限公司 | Laser cutting head capable of regulating pot energy density distribution |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975216A (en) * | 2019-05-23 | 2020-11-24 | 中国石油天然气股份有限公司 | Multi-beam laser processing device and method |
| CN111975216B (en) * | 2019-05-23 | 2022-05-10 | 中国石油天然气股份有限公司 | Multi-beam laser processing device and method |
| CN110549007A (en) * | 2019-08-13 | 2019-12-10 | 江苏屹诚激光装备制造有限公司 | High-precision laser cutting equipment |
| CN110549007B (en) * | 2019-08-13 | 2022-02-22 | 江苏屹诚激光装备制造有限公司 | High-precision laser cutting equipment |
| CN112975159A (en) * | 2021-03-17 | 2021-06-18 | 武汉先河激光技术有限公司 | Laser cutting device of circumference cutting |
| CN112975159B (en) * | 2021-03-17 | 2022-11-22 | 武汉先河激光技术有限公司 | Laser cutting device of circumference cutting |
| CN114156718A (en) * | 2021-10-25 | 2022-03-08 | 武汉凌云光电科技有限责任公司 | Portable laser wire stripping device and wire stripping method thereof |
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| CB02 | Change of applicant information |
Address after: 200240 No. 953 lane, Jianchuan Road, Minhang District, Shanghai 322 Applicant after: Shanghai Pak Chu electronic Polytron Technologies Inc Address before: 200240 west two floor, 2 building, 940 Jianchuan Road, Minhang District, Shanghai. Applicant before: Shanghai Bochu Electronic Technology Co., Ltd. |
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Application publication date: 20171121 |
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| WD01 | Invention patent application deemed withdrawn after publication |