CN204524561U - A kind of automatic focusing cutting head of optical-fiber laser - Google Patents
A kind of automatic focusing cutting head of optical-fiber laser Download PDFInfo
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- CN204524561U CN204524561U CN201520053811.8U CN201520053811U CN204524561U CN 204524561 U CN204524561 U CN 204524561U CN 201520053811 U CN201520053811 U CN 201520053811U CN 204524561 U CN204524561 U CN 204524561U
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Abstract
The utility model relates to technical field of laser processing, discloses a kind of automatic focusing cutting head of optical-fiber laser.This cutting head comprises beam expanding lens, adjustable mirror, upper light pipe, lower light pipe, focus lamp, lower protective glass, upper protective glass, middle protective glass and external laser beam; Described external laser beam acts as collimated light beam through beam expanding lens, collimated light beam reflexes to upper protective glass through adjustable mirror, through after upper protective glass successively through upper light pipe and lower light pipe, and through after middle protective glass, focus on through focus lamp and form focused beam, focused beam, through after lower protective glass, acts on sheet material to be cut; Described adjustable mirror controls the size of curvature according to the change of air pressure size, the position of adjustment focused beam focused spot.Overall structure of the present utility model is simple, convenient to be regulated and is easy to realize.
Description
Technical field
The utility model relates to laser cutting technique field, in particular, and particularly a kind of automatic focusing cutting head of optical-fiber laser.
Background technology
Laser cutting has high efficiency, high manufacturing accuracy and is beneficial to the particular advantages realizing Automated condtrol, the favor of more and more user has been obtained in technique sheet fabrication at home and abroad since entering the new century, laser cutting head is the vitals realizing laser cutting, has a great impact the quality of crudy.What more domestic and international laser cutting machines mainly configured at present is manual focusing cutting head.These manual focusing cutting heads need when regulating focus to go to regulate focal position with hand, and this greatly reduces laser cutting efficiency.In addition, when manual focusing, cutting head can be subject to contamination by dust unavoidably, and this will shorten the service life of cutting head.Along with the development of laser cutting technique, automatic focusing becomes later development trend.
Summary of the invention
The purpose of this utility model is the technical problem existed for prior art, provides a kind of automatic focusing cutting head of optical-fiber laser, and its structure is simple, and can realize auto-focusing.
In order to solve problem set forth above, the technical solution adopted in the utility model is:
An automatic focusing cutting head for optical-fiber laser, this cutting head comprises beam expanding lens, adjustable mirror, upper light pipe, lower light pipe, focus lamp, lower protective glass, upper protective glass, middle protective glass and external laser beam;
Described external laser beam acts as collimated light beam through beam expanding lens, collimated light beam reflexes to upper protective glass through adjustable mirror, through after upper protective glass successively through upper light pipe and lower light pipe, and through after middle protective glass, focus on through focus lamp and form focused beam, focused beam, through after lower protective glass, acts on sheet material to be cut;
Described adjustable mirror controls the size of curvature according to the change of air pressure size, the position of adjustment focused beam focused spot.
Described cutting head also comprises fibre-optical splice, upper junction plate, lower connecting plate, tube connector and cutting head; Wherein upper junction plate and lower connecting plate are all processed with centre bore, and both be arranged in parallel, are provided with tube connector below lower connecting plate, and the below of tube connector is coaxially installed with cutting head, and focused beam acts on sheet material to be cut through cutting head;
Described upper light pipe is arranged on upper junction plate, and lower light pipe is arranged on lower connecting plate, and is coaxially positioned at the below of light pipe, and both inner chambers are light hole; Be provided with protective glass in the centre bore of upper junction plate, adjustable mirror is 45 ° of tops being arranged on upper junction plate, and corresponding with the position of upper protective glass; Fibre-optical splice is horizontally set on the side of adjustable mirror, and the coaxial of fibre-optical splice is provided with the beam expanding lens corresponding with adjustable mirror position; Tube connector inner chamber be from top to bottom disposed with corresponding with lower light pipe light hole position in protective glass, focus lamp and lower protective glass.
The outer surface of described upper light pipe and lower light pipe is provided with dust cover, and the upper end of dust cover is fixed on upper junction plate by upper trim ring, and lower end is fixed on lower connecting plate by lower clamping ring.
On described tube connector and the below being positioned at lower protective glass is processed with inflatable mouth.
Described lower connecting plate is processed with the mounting groove be connected with its centre bore, installs tracheae in mounting groove, the end of tracheae connects air bag.
The outer surface of described cutting head is provided with range sensor.
Compared with prior art, the beneficial effects of the utility model are:
Controlled the amount of curvature of adjustable mirror in the utility model by the air pressure size changed in cutting head, thus realize the automatic adjustment of focused beam focused spot, its overall structure is simple, convenient to be regulated and is easy to realize.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automatic focusing cutting head of the utility model optical-fiber laser.
Description of reference numerals: protective glass, 17-tracheae, 18-lower clamping ring, the upper trim ring of 19-in protective glass assembly, 11-tube connector, 12-air bag, the upper protective glass of 13-, 14-range sensor, 15-cutting head, 16-under light pipe, 8-lower connecting plate, 9-focus module, 10-under 1-fibre-optical splice, 2-beam expanding lens, 3-adjustable mirror, 4-upper junction plate, 5-dust cover, the upper light pipe of 6-, 7-
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in description of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.
Consult shown in Fig. 1; the automatic focusing cutting head of a kind of optical-fiber laser that the utility model provides, this cutting head comprises fibre-optical splice 1, beam expanding lens 2, adjustable mirror 3, upper junction plate 4, dust cover 5, upper light pipe 6, lower light pipe 7, lower connecting plate 8, focus lamp 9, lower protective glass 10, tube connector 11, air bag 12, upper protective glass 13, range sensor 14, cutting head 15, middle protective glass 16, tracheae 17, lower clamping ring 18 and upper trim ring 19.
Described upper junction plate 4 and lower connecting plate 8 are all processed with centre bore, and both be arranged in parallel, and upper light pipe 6 is arranged on upper junction plate 4, and lower light pipe 7 is arranged on lower connecting plate 8, and is coaxially positioned at the below of light pipe 6.The inner chamber of upper light pipe 6 and lower light pipe 7 is light hole, and the upper end of lower light pipe 7 is placed in the light hole of light pipe 6.The outer surface of upper light pipe 6 and lower light pipe 7 is provided with dust cover 5, and the upper end of dust cover 5 is fixed on upper junction plate 4 by upper trim ring 19, and lower end is fixed on lower connecting plate 8 by lower clamping ring 18.
Be provided with protective glass 13 in the centre bore of upper junction plate 4, adjustable mirror 3 is arranged on the top of upper junction plate 4 in 45 °, and corresponding with the position of upper protective glass 13.Fibre-optical splice 1 is horizontally set on the side of adjustable mirror 3, and the coaxial of fibre-optical splice 1 is provided with the beam expanding lens 2 corresponding with adjustable mirror 3 position.
Tube connector 11 is installed below lower connecting plate 8, tube connector 11 inner chamber be from top to bottom disposed with corresponding with lower light pipe 7 light hole position in protective glass 16, focus lamp 9 and lower protective glass 10.The splashing that when lower protective glass 10 is used for blocking cutting, plate surface to be cut produces and metallic vapour, can protect focus lamp 9 not to be damaged.The below of tube connector 11 is coaxially installed with cutting head 15, and cutting head 15 is corresponding with the position of sheet material to be cut.
The upper junction plate 4 of cutting head is arranged on the Z axis crossbeam of peripheral lathe, lower connecting plate 8 is arranged on the leading screw of lathe, leading screw by motor drive can drive lower connecting plate 8 and on tube connector 11 lower mobile in the Z-axis direction, namely can to realize when cutting servo-actuated for cutting head.
In above-mentioned, on tube connector 11 and the below being positioned at lower protective glass 10 is processed with inflatable mouth (figure does not show).
In above-mentioned, the outer surface of cutting head 15 is provided with range sensor 14, and range sensor 14 can identify cutting head 15 and the distance of sheet material to be cut, can ensure the stability of cutting air pressure like this, thus ensure cut quality.
In above-mentioned, lower connecting plate 8 is processed with the mounting groove be connected with its centre bore, for installing tracheae 17, the end of tracheae 17 connects air bag 12, in order to regulate the stable of tube connector 11 air pressure inside.
In above-mentioned, dust cover 5 adopts import rubber, and its fatigue performance is good, can extend along with moving up and down of lower connecting plate 8 or compress.Its Main Function prevents the dust of outside from entering cutting head inside thus polluting eyeglass.
Operation principle of the present utility model is as follows:
Fibre-optical splice 1 is the interface of cutting head and light surround fibre laser.
Beam expanding lens 2 becomes available collimated light beam in order to the divergent laser beam sent by optical fiber laser.Beam expanding lens 2 adopts peripheral water-cooled assembly to be used for cooling eyeglass, can reduce the thermal lensing effect of eyeglass.
Adjustable mirror 3 is special bronze mirror, and its Main Function is the size being controlled curvature by the size of change air pressure, thus realizes moving up and down of cutting head focused spot, namely adjusts the position of focused beam focused spot, to realize the automatic change of focus.
Collimated light beam reflexes to upper protective glass 13 through adjustable mirror 3, through the light hole successively through upper light pipe 6 and lower light pipe 7 after upper protective glass 13, and enters in tube connector 11.After middle protective glass 16, focus on form focused beam through focus lamp 9, focused beam, through after lower protective glass 10, after the passing of cutting head 15, acts on sheet material to be cut.
In cutting process, can be blown into protection gas from inflatable mouth, protection gas enters tube connector 11 inner chamber, and after passing from cutting head 15, also acts on plate surface to be cut, protects its surface.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (6)
1. an automatic focusing cutting head for optical-fiber laser, is characterized in that: this cutting head comprises beam expanding lens (2), adjustable mirror (3), upper light pipe (6), lower light pipe (7), focus lamp (9), lower protective glass (10), upper protective glass (13), middle protective glass (16) and external laser beam;
Described external laser beam acts as collimated light beam through beam expanding lens (2), collimated light beam reflexes to upper protective glass (13) through adjustable mirror (3), through after upper protective glass (13) successively through upper light pipe (6) and lower light pipe (7), and through after middle protective glass (16), focus on through focus lamp (9) and form focused beam, focused beam, through after lower protective glass (10), acts on sheet material to be cut;
Described adjustable mirror (3) controls the size of curvature according to the change of air pressure size, the position of adjustment focused beam focused spot.
2. the automatic focusing cutting head of optical-fiber laser according to claim 1, is characterized in that: described cutting head also comprises fibre-optical splice (1), upper junction plate (4), lower connecting plate (8), tube connector (11) and cutting head (15); Wherein upper junction plate (4) and lower connecting plate (8) are all processed with centre bore, both be arranged in parallel, lower connecting plate (8) below is provided with tube connector (11), the below of tube connector (11) is coaxially installed with cutting head (15), and focused beam acts on sheet material to be cut through cutting head (15);
Described upper light pipe (6) is arranged on upper junction plate (4), lower light pipe (7) is arranged on lower connecting plate (8), and being coaxially positioned at the below of light pipe (6), both inner chambers are light hole; Be provided with protective glass (13) in the centre bore of upper junction plate (4), adjustable mirror (3) is arranged on the top of upper junction plate (4) in 45 °, and corresponding with the position of upper protective glass (13); Fibre-optical splice (1) is horizontally set on the side of adjustable mirror (3), and the coaxial of fibre-optical splice (1) is provided with the beam expanding lens (2) corresponding with adjustable mirror (3) position; Tube connector (11) inner chamber is disposed with middle protective glass (16), focus lamp (9) and the lower protective glass (10) corresponding with lower light pipe (7) light hole position from top to bottom; Upper junction plate (4) is arranged on peripheral machine tool beam, and lower connecting plate (8) is arranged on peripheral machine tool lead screw.
3. the automatic focusing cutting head of optical-fiber laser according to claim 2, it is characterized in that: the outer surface of described upper light pipe (6) and lower light pipe (7) is provided with dust cover (5), the upper end of dust cover (5) is fixed on upper junction plate (4) by upper trim ring (19), and lower end is fixed on lower connecting plate (8) by lower clamping ring (18).
4. the automatic focusing cutting head of the optical-fiber laser according to Claims 2 or 3, is characterized in that: described tube connector (11) is gone up and the below being positioned at lower protective glass (10) is processed with inflatable mouth.
5. the automatic focusing cutting head of optical-fiber laser according to claim 4, it is characterized in that: (8) are processed with the mounting groove be connected with its centre bore to described lower connecting plate, install tracheae (17) in mounting groove, the end of tracheae (17) connects air bag (12).
6. the automatic focusing cutting head of optical-fiber laser according to claim 5, is characterized in that: the outer surface of described cutting head (15) is provided with range sensor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053811.8U CN204524561U (en) | 2015-01-26 | 2015-01-26 | A kind of automatic focusing cutting head of optical-fiber laser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520053811.8U CN204524561U (en) | 2015-01-26 | 2015-01-26 | A kind of automatic focusing cutting head of optical-fiber laser |
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| CN204524561U true CN204524561U (en) | 2015-08-05 |
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| CN201520053811.8U Active CN204524561U (en) | 2015-01-26 | 2015-01-26 | A kind of automatic focusing cutting head of optical-fiber laser |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345255A (en) * | 2015-11-20 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Focal position adjusting mechanism for laser mold plate cutting machine |
| CN107813060A (en) * | 2016-08-30 | 2018-03-20 | 奔腾激光(温州)有限公司 | A kind of optical-fiber laser cutting machine reflective cutting head and control method |
| CN109202307A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of laser punching device |
| CN109332876A (en) * | 2018-11-29 | 2019-02-15 | 武汉畅新科技发展有限公司 | A kind of adaptive laser soldering device |
| CN109906130A (en) * | 2016-08-30 | 2019-06-18 | 雅努什马辛埃吉玛电力科技 | Laser cutting head comprising being attached to the ontology that two parts together form by flexible member |
| CN114188438A (en) * | 2021-11-22 | 2022-03-15 | 苏州腾晖光伏技术有限公司 | Passivated contact crystalline silicon battery without edge cutting loss and preparation method thereof |
-
2015
- 2015-01-26 CN CN201520053811.8U patent/CN204524561U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345255A (en) * | 2015-11-20 | 2016-02-24 | 苏州光韵达光电科技有限公司 | Focal position adjusting mechanism for laser mold plate cutting machine |
| CN107813060A (en) * | 2016-08-30 | 2018-03-20 | 奔腾激光(温州)有限公司 | A kind of optical-fiber laser cutting machine reflective cutting head and control method |
| CN109906130A (en) * | 2016-08-30 | 2019-06-18 | 雅努什马辛埃吉玛电力科技 | Laser cutting head comprising being attached to the ontology that two parts together form by flexible member |
| CN109202307A (en) * | 2017-11-24 | 2019-01-15 | 中国航空制造技术研究院 | A kind of laser punching device |
| CN109332876A (en) * | 2018-11-29 | 2019-02-15 | 武汉畅新科技发展有限公司 | A kind of adaptive laser soldering device |
| CN109332876B (en) * | 2018-11-29 | 2020-11-17 | 武汉畅新科技发展有限公司 | Self-adaptive laser welding device |
| CN114188438A (en) * | 2021-11-22 | 2022-03-15 | 苏州腾晖光伏技术有限公司 | Passivated contact crystalline silicon battery without edge cutting loss and preparation method thereof |
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