CN208758797U - A kind of efficient laser boring and cleaning optical system - Google Patents
A kind of efficient laser boring and cleaning optical system Download PDFInfo
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- CN208758797U CN208758797U CN201821371739.3U CN201821371739U CN208758797U CN 208758797 U CN208758797 U CN 208758797U CN 201821371739 U CN201821371739 U CN 201821371739U CN 208758797 U CN208758797 U CN 208758797U
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Abstract
A kind of efficient laser boring and cleaning optical system, belong to laser scanner technique field.The utility model includes shell, upper cover, fiber optic collimator coupler, coupler flange, field lens component, electrical connectors set on outer side of shell, and expands mirror assembly, mirror assembly, multi-panel mirror assembly, electric machine assembly, optoelectronic switch assembly in shell；Fiber optic collimator coupler by coupler flanged joint in shell side, inject on direction by the laser for expanding mirror assembly set on fiber optic collimator coupler, and mirror assembly, which is set to, to be expanded the laser of mirror assembly and inject on direction, and by laser reflection to multi-panel mirror assembly；Electric machine assembly transmission connection is in multi-panel mirror assembly, and to drive multi-panel mirror assembly to rotate, field lens component is set on the laser reflection direction of multi-panel mirror assembly.The utility model can greatly improve the speed of laser scanning, to improve the efficiency of laser boring or laser cleaning.
Description
Technical field
The utility model relates to laser scanner technique field more particularly to a kind of efficient laser boring and cleaning optical systems
System.
Background technique
Since laser the 1960s comes out, laser technology is grown rapidly.Around the application of laser
Research is expanded, wherein as pulse laser develops, the appearance of the pulse laser of high repetition frequency and high-peak power is pushed away
The development of laser boring and laser cleaning application is moved.But since present laser punching and laser cleaning are mainly using vibration
Mirror realizes light beam two-dimensional scanning, is limited by the maximum functional angular speed of galvanometer, by taking focal length is mating for the field lens of 650mm as an example, mesh
Preceding maximum scanning speed can only achieve 10m/min, constrain the efficiency of laser boring and laser cleaning.
Utility model content
Purpose of the utility model is to solve the above-mentioned problems of the prior art, provide a kind of efficient laser boring
And cleaning optical system, the speed of laser scanning can be greatlyd improve, to improve the effect of laser boring or laser cleaning
Rate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of efficient laser boring and cleaning optical system, it is quasi- including shell, upper cover, the optical fiber set on the outer side of shell
Straight coupler, coupler flange, field lens component, electrical connectors, and mirror assembly, reflection microscope group are expanded in the shell
Part, multi-panel mirror assembly, electric machine assembly, optoelectronic switch assembly；
The fiber optic collimator coupler by the coupler flanged joint in the shell side, it is described to expand mirror assembly
Laser set on the fiber optic collimator coupler is injected on direction, and the mirror assembly is set to the laser for expanding mirror assembly
It injects on direction, and by laser reflection to the multi-panel mirror assembly；The electric machine assembly is sequentially connected in the multi-panel mirror assembly,
To drive the multi-panel mirror assembly to rotate, the field lens component is set on the laser reflection direction of the multi-panel mirror assembly.
Preferred as the utility model, the mirror assembly that expands includes expanding mirror support and beam expanding lens, the beam expanding lens branch
It is set up in the enclosure bottom, upper part is equipped with tapped through hole, and the beam expanding lens is connected in the tapped through hole.
Preferred as the utility model, the mirror assembly includes mirror support, reflecting mirror and reflecting mirror pressing ring, institute
Mirror support is stated set on the enclosure bottom, upper part is equipped with counterbore, and the counterbore inner sidewall is equipped with internal screw thread, described anti-
Mirror is penetrated in the counterbore, the external screw thread for cooperating the internal screw thread is equipped on the outside of the reflecting mirror pressing ring.
Preferred as the utility model, the electric machine assembly includes motor, electric machine support, synchronous pulley and synchronous belt, institute
It states electric machine support and is connected to the shell, the motor is set on the electric machine support, and the synchronous pulley is set to the motor
Output end, the synchronous belt engagement sleeves be set to the synchronous pulley on.
Preferred as the utility model, the multi-panel mirror assembly includes polygonal mirror pedestal, is set on the polygonal mirror pedestal
Bearing, set on the transmission shaft of the brearing bore, synchronizing wheel and polygonal mirror on the transmission shaft, the synchronizing wheel is matched
It closes and connects the synchronous belt.
It is preferred as the utility model, the gear for cooperating the optoelectronic switch assembly is equipped at the polygonal mirror upper edge
Piece.
Preferred as the utility model, the optoelectronic switch assembly includes optoelectronic switch bracket and optoelectronic switch, the light
Electric switch branch is set up in the enclosure bottom, and the optoelectronic switch is set to the optoelectronic switch frame upper.
Preferred as the utility model, the field lens component includes field lens and field lens flange, and the field lens flange passes through spiral shell
Silk is connected to the shell, and the field lens is threadedly coupled with field lens flange.
Preferred as the utility model, the upper shell face is equipped with seal groove, is equipped with sealing strip in the seal groove.
Preferred as the utility model, the cover rim is equipped with seal boss.
The utility model has the advantages that:
1, it is usually that six face mirrors or seven face mirrors replace traditional galvanometer using polygon scanner, is driven in identical motor
Under dynamic, scanning speed 2 times or more faster than traditional galvanometer.Therefore polygon scanner is more suitable for extensive simpler array laser and beats
The fields such as mark, laser cleaning.
2, using polygon scanner, scan area can be increased.Traditional galvanometer is a kind of special oscillating motor, cannot
It rotates, can only deflect as ordinary motor.In most cases, highest deflection angle mirror is ± 12.5 ° (± 10 ° past
Past is one compared with safe range), incidence angle cannot be partial to 45 °.But after replacing traditional galvanometer with polygon scanner, polygonal mirror is
It is driven by motor and rotates clockwise, limited without incident angle, substantially increase the specular cross section of scanning mirror.
3, hollow design is carried out on polygon scanner, mitigates the quality of the device, and use compact-sized optical path and machine
Tool design overcomes the big and heavy feature of traditional instrument.Realize the micromation and portability of entire instrument, broader applications in
More scenes.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is the schematic diagram of the utility model scanning optical path.
1- fiber optic collimator coupler；2- coupler flange；3- expands mirror assembly；4- mirror assembly；5- electric machine assembly；6-
Multi-panel mirror assembly；7- field lens component；8- optoelectronic switch assembly；9- electrical connectors；10- shell；31- expands mirror support；32- is expanded
Mirror；41- mirror support；43- reflecting mirror pressing ring；51- motor；52- electric machine support；54- synchronous belt；61- polygonal mirror pedestal；
65- polygonal mirror；651- baffle；101- seal groove.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
A kind of efficient laser boring and cleaning optical system, including shell 10, upper cover, the light set on 10 outside of shell
Fibre collimation coupler 1, coupler flange 2, field lens component 7, electrical connectors 9, and microscope group is expanded in the shell 10
Part 3, mirror assembly 4, multi-panel mirror assembly 6, electric machine assembly 5, optoelectronic switch assembly 8；The fiber optic collimator coupler 1 passes through institute
It states coupler flange 2 and is connected to 10 side of shell, it is described to expand the swashing set on the fiber optic collimator coupler 1 of mirror assembly 3
Light emission enters on direction, and the mirror assembly 4 is set to the laser for expanding mirror assembly 3 and injects on direction, and by laser reflection
To the multi-panel mirror assembly 6；The transmission connection of electric machine assembly 5 is in the multi-panel mirror assembly 6, to drive the multi-panel mirror assembly
6 rotations, the field lens component 7 are set on the laser reflection direction of the multi-panel mirror assembly 6.
Working principle: the fiber optic collimator coupler 1 is connected by optical fiber with pulse laser, by pulse laser standard
It directly through the coupler flange 2, leads and injects in shell 10, the diameter amplification of mirror assembly 3 is then expanded described in pulse laser warp, then
It is reflected onto the multi-panel mirror assembly 6 through the mirror assembly 4, and pulse laser is reflexed to field lens group by multi-panel mirror assembly 6
Part 7, last laser focus on its focal plane through field lens component 7.Also, since the multi-panel mirror assembly 6 is in the motor group
It is rotated under the drive of part 5, so laser injects the angle of the mirror surface of multi-panel mirror assembly in consecutive variations, i.e. multi-panel mirror assembly
Reflex to the angle of the laser of field lens component also in consecutive variations, the focal plane of the focus of laser mirror assembly on the scene is along a straight line not
It slides from one end to the other side with stopping, to form the continuous light beam scanning in side.
Specifically, as illustrated in fig. 1 and 2, under a kind of preferable embodiment, multi-panel mirror assembly is specially seven face mirrors, and more
The specific direction of rotation of face mirror assembly be it is clockwise, after seven face mirrors reflection of the laser through rotating, and the focus after field lens is at it
The scanning motion turned left from the right side is repeated on focussing plane.This system greatly improves the speed of laser scanning, to improve
The efficiency of laser boring or laser cleaning.
Embodiment 2
On the basis of embodiment 1, the mirror assembly 3 that expands includes expanding mirror support 31 and beam expanding lens 32, described to expand
Mirror support 31 is set to 10 bottom surface of shell, and upper part is equipped with tapped through hole, and the beam expanding lens 32 is connected to the tapped through hole
It is interior.The structure is easily installed and demolition and maintenance, and wherein the main shaft of beam expanding lens 32 is overlapped with laser beam axis, and laser beam is expanded
Beam, so that the hot spot of minor diameter can be obtained on the focal plane of field lens.
The mirror assembly 4 includes mirror support 41, reflecting mirror and reflecting mirror pressing ring 43, the mirror support 41
Set on 10 bottom surface of shell, upper part is equipped with counterbore, and the counterbore inner sidewall is equipped with internal screw thread, and the reflecting mirror is set to institute
It states in counterbore, the external screw thread for cooperating the internal screw thread is equipped on the outside of the reflecting mirror pressing ring 43.The reflecting mirror passes through reflecting mirror
The position-limiting action of pressing ring is steadily located in the counterbore of mirror support, and the stability of total is high.In addition, reflection
Mirror generally uses glass or quartz material, is coated with reflectance coating identical with optical maser wavelength on one side.In the present embodiment, it reflects
The mirror surface of mirror and incident laser are in 45 degree, and the reflection of 90 degree of angles is carried out to laser.
The electric machine assembly 5 includes motor 51, electric machine support 52, synchronous pulley and synchronous belt 54, the electric machine support 52
It is connected to the shell 10, the motor 51 is set on the electric machine support 52, and the synchronous pulley is set to the motor 51
Output end, 54 engagement sleeves of synchronous belt are set on the synchronous pulley.The electric machine assembly drives synchronous belt by motor 51
Wheel rotation, synchronous pulley drive the rotation of multi-panel mirror assembly by synchronous belt 54.Wherein, the motor can be stepper motor, straight
The controllable motor of the revolving speeds such as galvanic electricity machine or servo motor.
The multi-panel mirror assembly 6 includes polygonal mirror pedestal 61, the bearing on the polygonal mirror pedestal 61, set on described
The transmission shaft of brearing bore, the synchronizing wheel on the transmission shaft and polygonal mirror 65, the synchronizing wheel are cooperatively connected described same
Walk band 54.Wherein, it there are two bearing tools, is encased in the polygonal mirror pedestal 61 from upper and lower two sides respectively, then by transmission shaft
It is encased in brearing bore, while transmission shaft and brearing bore are interference fit, bearing and polygonal mirror pedestal are also interference fit.Together
Step wheel is sheathed on transmission shaft, and polygonal mirror is sheathed on transmission shaft upper end and is fixed with jackscrew, synchronizing wheel mating connection synchronous belt,
Polygonal mirror rotation is driven by synchronous belt by motor.In addition, polygonal mirror is made of light material, and polygonal mirror is equipped with more
A through-hole, further to mitigate weight.And gluing has a reflecting optics on multiple sides of polygonal mirror, reflecting optics using glass or
Quartz material is coated with reflectance coating identical with optical maser wavelength on reflecting optics surface.
The baffle 651 for cooperating the optoelectronic switch assembly 8 is equipped at 65 upper edge of polygonal mirror.To monitor polygonal mirror
The revolving speed and working condition of rotation.
The optoelectronic switch assembly 8 includes optoelectronic switch bracket and optoelectronic switch, and the optoelectronic switch branch is set up in described
10 bottom surface of shell, the optoelectronic switch are set to the optoelectronic switch frame upper.Structure maintenance equally easy to disassemble, work
When, polygonal mirror does not rotate a circle, baffle thereon will inswept optoelectronic switch it is primary, and optoelectronic switch sends a telecommunications immediately
Number, it is transferred to control system through the electrical connectors 9, in order to detect the revolving speed and working condition of polygonal mirror.
The field lens component 7 includes field lens and field lens flange, the field lens flange by screw connection in the shell 10,
The field lens is threadedly coupled with field lens flange.The structure is easy for installation, reliable and stable.
10 upper surface of shell is equipped with seal groove 101, is equipped with sealing strip in the seal groove 101.Set seal groove and
Sealing strip is used to ensure the airtightness in shell, avoids penetrating outside external interference and inner laser.In addition, shell uses light-weight metal
Material such as aluminium alloy is process.The upper cover is equally process using lightweight metal material, and edge is equipped with seal boss,
For cooperating the seal groove of shell, to prevent gap of the inner laser scattering light through shell and upper cover from directly projecting.
The preferable specific embodiment of the above, only the utility model, the specific embodiment are practical based on this
A kind of implementation under novel general idea, and the protection scope of the utility model is not limited thereto, it is any to be familiar with sheet
Within the technical scope disclosed by the utility model, any changes or substitutions that can be easily thought of by those skilled in the art, should all contain
Lid is within the protection scope of the utility model.Therefore, the protection scope of the utility model should be with the protection of claims
Subject to range.
Claims (10)
1. a kind of efficient laser boring and cleaning optical system, which is characterized in that including shell (10), upper cover, be set to outside described
Fiber optic collimator coupler (1), coupler flange (2), field lens component (7), electrical connectors (9) on the outside of shell (10), and be set to
Expand mirror assembly (3), mirror assembly (4), multi-panel mirror assembly (6), electric machine assembly (5), photoelectricity in the shell (10) are opened
It closes component (8)；
The fiber optic collimator coupler (1) is connected to the shell (10) side by the coupler flange (2), described to expand
The laser that mirror assembly (3) is set to the fiber optic collimator coupler (1) is injected on direction, and the mirror assembly (4) is set to described
The laser for expanding mirror assembly (3) is injected on direction, and by laser reflection to the multi-panel mirror assembly (6)；The electric machine assembly (5)
It is sequentially connected in the multi-panel mirror assembly (6), to drive the multi-panel mirror assembly (6) to rotate, the field lens component (7) is set to institute
On the laser reflection direction for stating multi-panel mirror assembly (6).
2. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that described to expand mirror assembly
It (3) include expanding mirror support (31) and beam expanding lens (32), described expand mirror support (31) are set on the shell (10) bottom surface, thereon
Portion is equipped with tapped through hole, and the beam expanding lens (32) is connected in the tapped through hole.
3. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that the mirror assembly
It (4) include mirror support (41), reflecting mirror and reflecting mirror pressing ring (43), the mirror support (41) is set to the shell
(10) bottom surface, upper part are equipped with counterbore, and the counterbore inner sidewall is equipped with internal screw thread, and the reflecting mirror is set in the counterbore,
The external screw thread for cooperating the internal screw thread is equipped on the outside of the reflecting mirror pressing ring (43).
4. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that the electric machine assembly
It (5) include motor (51), electric machine support (52), synchronous pulley and synchronous belt (54), the electric machine support (52) is connected to described
Shell (10), the motor (51) are set on the electric machine support (52), and the synchronous pulley is set to the defeated of the motor (51)
Outlet, synchronous belt (54) engagement sleeves are set on the synchronous pulley.
5. efficient laser boring according to claim 4 and cleaning optical system, which is characterized in that the multi-panel mirror assembly
It (6) include polygonal mirror pedestal (61), the bearing being set on the polygonal mirror pedestal (61), set on the transmission of the brearing bore
Axis, the synchronizing wheel on the transmission shaft and polygonal mirror (65), the synchronizing wheel mating connection synchronous belt (54).
6. efficient laser boring according to claim 5 and cleaning optical system, which is characterized in that the polygonal mirror (65)
The baffle (651) for cooperating the optoelectronic switch assembly (8) is equipped at upper edge.
7. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that the optoelectronic switch group
Part (8) includes optoelectronic switch bracket and optoelectronic switch, and the optoelectronic switch branch is set up in the shell (10) bottom surface, the photoelectricity
Switch is set to the optoelectronic switch frame upper.
8. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that the field lens component
It (7) include field lens and field lens flange, the field lens flange is by screw connection in the shell (10), the field lens and field lens method
Orchid is threadedly coupled.
9. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that on the shell (10)
End face is equipped with seal groove (101), and sealing strip is equipped in the seal groove (101).
10. efficient laser boring according to claim 1 and cleaning optical system, which is characterized in that the cover rim
Equipped with seal boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371739.3U CN208758797U (en) | 2018-08-24 | 2018-08-24 | A kind of efficient laser boring and cleaning optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821371739.3U CN208758797U (en) | 2018-08-24 | 2018-08-24 | A kind of efficient laser boring and cleaning optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208758797U true CN208758797U (en) | 2019-04-19 |
Family
ID=66133486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821371739.3U Active CN208758797U (en) | 2018-08-24 | 2018-08-24 | A kind of efficient laser boring and cleaning optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208758797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994455A (en) * | 2018-08-24 | 2018-12-14 | 浙江镭弘激光科技有限公司 | A kind of efficient laser boring and cleaning optical system |
| CN112705841A (en) * | 2020-12-18 | 2021-04-27 | 武汉理工大学 | Ultrafast laser high-speed micro-nano processing system based on polygon scanning rotating mirror |
-
2018
- 2018-08-24 CN CN201821371739.3U patent/CN208758797U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994455A (en) * | 2018-08-24 | 2018-12-14 | 浙江镭弘激光科技有限公司 | A kind of efficient laser boring and cleaning optical system |
| CN108994455B (en) * | 2018-08-24 | 2024-04-05 | 浙江君华智慧物联科技有限公司 | Efficient laser drilling and cleaning optical system |
| CN112705841A (en) * | 2020-12-18 | 2021-04-27 | 武汉理工大学 | Ultrafast laser high-speed micro-nano processing system based on polygon scanning rotating mirror |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 313000 building 3, No. 888, Tianhuangping North Road, Dipu street, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Junhua Leihong New Material Co.,Ltd. Address before: 313000 building 3, No. 888, Tianhuangping North Road, Dipu street, Anji County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG LEIHONG LASER TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |