CN212379670U - Light path adjusting device - Google Patents
Light path adjusting device Download PDFInfo
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- CN212379670U CN212379670U CN202021100626.7U CN202021100626U CN212379670U CN 212379670 U CN212379670 U CN 212379670U CN 202021100626 U CN202021100626 U CN 202021100626U CN 212379670 U CN212379670 U CN 212379670U
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Abstract
The utility model discloses a light path adjusting device. The first adjustable lens, the second adjustable lens and the beam expanding lens adjusting jig in the light path adjusting device are sequentially arranged on the light path of the laser beam; the first adjustable lens is adjustable in a first plane and the second adjustable lens is adjustable in a second plane, the first plane and the second plane being perpendicular or parallel to each other; the beam expander adjusting jig comprises a fixed cylinder, a first calibrating part and a second calibrating part, wherein the first calibrating part and the second calibrating part are respectively positioned at two ends of the fixed cylinder in the extending direction of the fixed cylinder; the structure of the fixed cylinder is the same as that of the lens barrel of the beam expanding lens to be fixed; the fixed cylinder is detachably connected with the fixed part thereof. The embodiment of the utility model provides a technical scheme has promoted the stability of device.
Description
Technical Field
The embodiment of the utility model provides a relate to the laser equipment field, especially relate to a light path adjusting device.
Background
The beam expander lens is used for increasing the beam diameter in order to adjust focus spot size, in laser beam machining equipment's use, if the axis of beam expander lens is too big with the laser beam deviation, can cause the laser beam energy behind the beam expander lens to distribute along the axle center inhomogeneous, and then reduce machining efficiency, for this reason, before putting into use, the collimation that needs to carry out the beam expander lens usually is adjusted.
In the prior art, the following method is generally adopted to realize the collimation adjustment of the beam expander: the position of the beam expanding lens is adjusted by adopting the adjusting frame, so that the axis of the light beam and the beam expanding lens keep higher coaxiality. After the collimation of beam expander is adjusted in the above-mentioned mode, adopt the fixed beam expander of alignment jig, nevertheless because the alignment jig has the controllability, its fixity to the beam expander is not strong, therefore the beam expander easily takes place the displacement in the use, leads to stability relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a light path adjusting device to hoisting device's stability.
In a first aspect, an embodiment of the present invention provides an optical path adjusting device, including:
the device comprises a laser light source, a first adjustable lens, a second adjustable lens and a beam expanding lens adjusting jig;
the laser light source is used for emitting laser beams;
the first adjustable lens, the second adjustable lens and the beam expanding lens adjusting jig are sequentially arranged on the light path of the laser beam;
the first adjustable lens is adjustable in a first plane and the second adjustable lens is adjustable in a second plane, the first plane and the second plane being perpendicular or parallel to each other;
the beam expander adjusting jig comprises a fixed cylinder, a first calibrating part and a second calibrating part, wherein the first calibrating part and the second calibrating part are respectively positioned at two ends of the fixed cylinder in the extending direction of the fixed cylinder; the structure of the fixed cylinder is the same as that of the lens barrel of the beam expanding lens to be fixed;
the fixed cylinder is detachably connected with the fixed part thereof.
In a second aspect, the embodiment of the present invention further provides a method for adjusting an optical path, including the following steps:
by adopting the light path adjusting device of the first aspect, the first adjustable lens is adjusted in the first plane, and the second adjustable lens is adjusted in the second plane, so as to adjust the light path of the laser beam emitted by the laser light source, and the laser beam passes through the first calibration center and the second calibration center in the beam expanding lens adjusting jig;
taking down the beam expanding lens adjusting jig;
placing the beam expander to be fixed at the position of the beam expander adjusting jig before the beam expander adjusting jig is taken down;
and fixing the beam expander to be fixed by adopting a fixing part.
The embodiment of the utility model provides a technical scheme, adjust the light path of the laser beam of laser light source outgoing through adopting first adjustable lens and the adjustable lens of second, so that laser beam can pass and to dismantle first alignment center and the second alignment center in fixed beam expander adjusts the tool, wherein, the line at first alignment center and second alignment center and the fixed center line coincidence of the solid fixed cylinder of beam expander adjustment tool, the structure of solid fixed cylinder is the same with the lens cone structure of treating fixed beam expander, and then will treat that fixed beam expander is fixed to the beam expander and adjust the tool after locating, laser beam can pass the axis of treating fixed beam expander, realize the collimation regulation of beam expander, among the above-mentioned light path accommodation process, only need carry out two-dimensional adjustment respectively to first adjustable lens and the adjustable lens of second, the stability of device has been promoted.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:
fig. 1 is a schematic structural diagram of an optical path adjusting device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a beam expander adjusting jig provided in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a component structure of the beam expander adjusting fixture of FIG. 2;
fig. 4 is a schematic top view of a first calibration portion according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of a beam expander mounting method according to an embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the objects of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of the present invention for the specific embodiments, structures, features and effects of the optical path adjusting device according to the present invention.
An embodiment of the utility model provides a light path adjusting device, include:
the device comprises a laser light source, a first adjustable lens, a second adjustable lens and a beam expanding lens adjusting jig;
the laser light source is used for emitting laser beams;
the first adjustable lens, the second adjustable lens and the beam expanding lens adjusting jig are sequentially arranged on the light path of the laser beam;
the first adjustable lens is adjustable in a first plane and the second adjustable lens is adjustable in a second plane, the first plane and the second plane being perpendicular or parallel to each other;
the beam expander adjusting jig comprises a fixed cylinder, a first calibrating part and a second calibrating part, wherein the first calibrating part and the second calibrating part are respectively positioned at two ends of the fixed cylinder in the extending direction of the fixed cylinder; the structure of the fixed cylinder is the same as that of the lens barrel of the beam expanding lens to be fixed;
the fixed cylinder is detachably connected with the fixed part thereof.
The embodiment of the utility model provides a technical scheme, adjust the light path of the laser beam of laser light source outgoing through adopting first adjustable lens and the adjustable lens of second, so that laser beam can pass and to dismantle first alignment center and the second alignment center in fixed beam expander adjusts the tool, wherein, the line at first alignment center and second alignment center and the fixed center line coincidence of the solid fixed cylinder of beam expander adjustment tool, the structure of solid fixed cylinder is the same with the lens cone structure of treating fixed beam expander, and then will treat that fixed beam expander is fixed to the beam expander and adjust the tool after locating, laser beam can pass the axis of treating fixed beam expander, realize the collimation regulation of beam expander, among the above-mentioned light path accommodation process, only need carry out two-dimensional adjustment respectively to first adjustable lens and the adjustable lens of second, the stability of device has been promoted.
The above is the core idea of the present application, and the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other embodiments that depart from the specific details disclosed herein, and one skilled in the art may readily devise many other varied embodiments that are not limited to the specific details disclosed herein.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the schematic drawings showing the structure of the device are not partially enlarged according to the general scale, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and height should be included in the actual fabrication.
Fig. 1 is a schematic structural diagram of an optical path adjusting device according to an embodiment of the present invention. As shown in fig. 1, the optical path adjusting device includes a laser light source 100, a first adjustable lens 200, a second adjustable lens 300, and a beam expander adjusting jig 400. The laser light source 100 is used for emitting a laser beam, the first adjustable lens 200, the second adjustable lens 300 and the beam expander adjusting jig 400 are sequentially arranged on a light path of the laser beam, the first adjustable lens 200 is adjustable in a first plane, the second adjustable lens 300 is adjustable in a second plane, and the first plane and the second plane are perpendicular to each other or parallel to each other.
Fig. 2 is a schematic structural diagram of a beam expander adjusting jig provided by the embodiment of the utility model. Fig. 3 is a schematic structural diagram of a component of the beam expander adjusting jig in fig. 2. As shown in fig. 2 and 3, the expander lens adjusting jig 400 includes a fixed cylinder 410, and a first calibration portion 421 and a second calibration portion 422 respectively located at two ends of the fixed cylinder 410 in the extending direction X of the fixed cylinder, where the first calibration portion 421 includes a first calibration center 431, the second calibration portion 422 includes a second calibration center 432, a connection line L between the first calibration center 431 and the second calibration center 432 coincides with a central line K of the fixed cylinder 410, the structure of the fixed cylinder 410 is the same as that of a lens barrel of the expander lens to be fixed, and the fixed cylinder 410 is detachably connected to a fixing component thereof.
It should be noted that, the light path of the laser beam emitted from the laser light source 100 is adjusted by the first adjustable lens 200 and the second adjustable lens 300 and then enters the beam expander adjusting jig 400, and the first adjustable lens 200 and the second adjustable lens 300 are respectively adjustable in two planes perpendicular to each other or parallel to each other, so that the four-dimensional adjustment of the light path of the laser beam is realized through the first adjustable lens 200 and the second adjustable lens 300, which can achieve the same light path adjusting effect as that of a four-dimensional adjusting frame in the prior art, but because the first adjustable lens 200 and the second adjustable lens 300 are both adjusted two-dimensionally, compared with the four-dimensional adjustment, the stability of the two-dimensional adjustment is higher, and further the stability of the whole device is effectively improved.
Illustratively, two-dimensional adjustment of the first adjustable lens 200 and the second adjustable lens 300 can be realized by respectively adopting a two-dimensional adjusting frame, the two-dimensional adjusting frame has a simple structure, the first adjustable lens 200 and the second adjustable lens 300 are simply assembled on the two-dimensional adjusting frame, and the two-dimensional adjusting frame can simply realize position adjustment through a knob, so that the operation is simple and convenient. It is understood that in other embodiments of the present embodiment, other components may also be used to implement two-dimensional adjustment of the first adjustable lens 200 and the second adjustable lens 300 in corresponding planes, which is not specifically limited in the present embodiment.
Optionally, for convenience of installation, the laser light source 100, the adjusting component of the first adjustable lens 200, the adjusting component of the second adjustable lens 300, and the beam expander adjusting jig 400 may be installed on the same substrate, and the initial positions of the first adjustable lens 200 and the second adjustable lens 300 are perpendicular to the substrate. For example, when the adjusting member of the first adjustable lens 200 and the adjusting member of the second adjustable lens 300 are two-dimensional adjusting frames, the two-dimensional adjusting frames are respectively mounted on the substrate.
For example, the fixing member may include a first meniscus and a second meniscus, which clamp the fixing cylinder 410, and the first meniscus and the second meniscus are mounted on the base plate, and the first meniscus and the second meniscus can be closed and separated by the control member, thereby clamping and detaching the member placed between the first meniscus and the second meniscus. Here, the structure of the fixing member is specifically described only by taking a double meniscus as an example and is not limited to the structure of the fixing member, and in other embodiments of the present embodiment, the fixing member having another structure may be used to detachably connect the fixing cylinder 410.
In this embodiment, the fixing barrel 410 and the fixing member thereof are detachably connected, so that the jig 400 is adjusted based on the beam expander to determine the light path, the beam expander can be conveniently taken off to adjust the jig 400, and the beam expander to be fixed is to be installed in the original position of the beam expander to adjust the jig 400.
It can be understood that, because the fixed cylinder 410 structure of the beam expander adjusting jig 400 is the same as the structure of the lens barrel structure of the beam expander to be fixed, and the line L between the first calibration center 431 and the second calibration center 432 coincides with the center line K of the fixed cylinder 410, when being fixed at the same position, the center line K of the fixed cylinder 410 coincides with the axis of the beam expander to be fixed, therefore, after the laser beam is transmitted along the center line K of the fixed cylinder 410 by adjusting the first adjustable lens 200 and the second adjustable lens 300, the beam expander adjusting jig 400 is taken down, when the beam expander to be fixed is fixed at the position before the beam expander adjusting jig 400 is taken down, the laser beam can pass through the axis of the beam expander, and then the collimation adjustment of the beam expander is realized.
The technical scheme that this embodiment provided, adjust the light path of the laser beam of laser light source outgoing through adopting first adjustable lens and the adjustable lens of second, so that laser beam can pass and to dismantle first calibration center and the second calibration center in fixed beam expander adjusts the tool, wherein, the line at first calibration center and second calibration center coincides with the central line of the solid fixed cylinder that the tool was adjusted to the beam expander, the structure of solid fixed cylinder is the same with the lens cone structure of treating fixed beam expander, and then will treat that fixed beam expander is fixed to the beam expander and adjust the tool after locating, laser beam can pass the axis of treating fixed beam expander, realize the collimation of beam expander and adjust, among the above-mentioned light path accommodation process, only need carry out two-dimensional adjustment respectively to first adjustable lens and the adjustable lens of second, the stability of device has been promoted.
Alternatively, as shown in fig. 3, the first calibration portion 421 and the second calibration portion 422 are detachably connected to the fixed cylinder.
In addition, when any one of the first calibrating portion 421, the second calibrating portion 422 and the fixed cylinder 410 is damaged, only the damaged component needs to be replaced, so that the whole expander lens does not need to be replaced, and the replacement cost of the component is saved.
It can be understood that the detachable connection mode includes various types, the specific detachable connection mode is not limited in the embodiment, and a designer can reasonably set the detachable connection mode according to application requirements.
Illustratively, with continued reference to fig. 2 and 3, the first calibrating portion 421 includes a first calibrating surface 442 and a first connecting structure 441, the first connecting structure 441 is disposed around the first calibrating surface 442, the second calibrating portion 422 includes a second calibrating surface 451 and a second connecting structure 452, the second connecting structure 452 is disposed around the second calibrating surface 451, and the diameters of the outer walls of the first and second connecting structures 441 and 452 are equal to the diameters of the inner walls of the corresponding ends of the fixed cylinder 410.
It should be noted that the diameter of the outer wall of the first connecting structure 441 and the second connecting structure 452 is equal to the diameter of the inner wall of the corresponding end portion of the fixed cylinder 410, so that the first connecting structure 441 and the second connecting structure 452 can be connected with the fixed cylinder 410 in an embedded manner, and the connection firmness is good.
The plug-in detachable connection mode is simple in structure, easy to realize in connection operation, convenient and time-saving.
Further, a first connecting thread is disposed on a side of the first connecting structure 441 away from the first calibration surface 442, a second connecting thread is disposed on a side of the second connecting structure 452 away from the second calibration surface 451, and a third connecting thread and a fourth connecting thread matched with the first connecting thread and the second connecting thread are disposed on inner sides of two end portions of the fixed cylinder 410, respectively.
It should be noted that the threaded connection is convenient for operation, and can further improve the connection firmness of the first calibration portion 421 and the second calibration portion 422 with the fixed cylinder 410.
Optionally, fig. 4 is a schematic top view of a first calibration portion according to an embodiment of the present invention. As shown in fig. 4, the first calibration surface 442 includes a plurality of first defining bars 460, both ends of the first defining bars 460 are connected to the first connecting structure 441, and the plurality of first defining bars 460 intersect to define a first calibration center 431.
Illustratively, the structure of the second collimating part 422 may be similar to that of the first collimating part 421. Specifically, the second alignment surface 451 includes a plurality of second defining bars having ends connected to the second connecting structure, and the plurality of second defining bars intersect to define a second alignment center 431.
It is understood that the number of the first limiting bars 460 may be the same as the number of the second limiting bars, or may be different from the first limiting bars 460, which is not specifically limited in this embodiment, and the number of the first limiting bars 460 is only the same as the number of the second limiting bars 460.
In the embodiment, the first calibration surface 442 is a circle, the first calibration center 431 is a center of the circle, and each first defining bar 460 extends along a diameter of the circle, it being understood that an intersection point of a plurality of diameters of any circle is a center of the circle. Based on the above principle, the arrangement determines the first calibration center 431 using the intersection of the plurality of first qualifiers 460. The determination principle of the second calibration center 432 is the same as that of the first calibration center 431, and thus the description thereof is omitted.
Illustratively, with continued reference to FIG. 4, the plurality of first qualifier strips 460 includes two first qualifier strips 460, the two first qualifier strips 460 being vertically disposed. Alternatively, the second defining bar may be disposed in the same manner as the first defining bar 460, that is, the plurality of second defining bars includes two second defining bars, and the two second defining bars are disposed vertically.
It should be noted that, the greater the number of the limiting strips on the same calibration surface, the greater the difficulty in preparing the corresponding calibration portion, and the minimum number of the limiting strips that can cross define the calibration center is 2, therefore, in this embodiment, two limiting strips are provided on each calibration surface, so as to reduce the difficulty in preparing the calibration portion on the basis of ensuring that the corresponding calibration center can be determined by the crossing of the limiting strips.
Optionally, the material of the fixed cylinder 410 is the same as that of the lens barrel to which the beam expander is to be fixed.
It should be noted that, the different materials are affected by different degrees by environmental factors, and when the fixed cylinder 410 and the lens barrel of the beam expander to be fixed are formed by different materials, the central line of the fixed cylinder 410 fixed at the same position and the axis of the beam expander to be fixed have a larger deviation, and then the light path adjusted by the beam expander adjusting jig 400 cannot pass through the axis of the beam expander to be fixed, so that the collimation adjustment of the beam expander is inaccurate, and the application accuracy of subsequent light beams is affected. In order to avoid the above problems, the material of the lens barrel of the fixed barrel 410 and the material of the lens barrel of the beam expander to be fixed are preferably the same in this embodiment.
Fig. 5 is a schematic flow chart of a beam expander mounting method according to an embodiment of the present invention. As shown in fig. 5, the beam expander mounting method specifically includes the following steps:
And 2, taking down the beam expander to adjust the jig.
And 3, placing the beam expander to be fixed at the position of the beam expander adjusting jig before the beam expander adjusting jig is taken down.
And 4, fixing the beam expander to be fixed by adopting a fixing part.
In the technical solution provided by this embodiment, by using the light path adjusting device provided by any embodiment of the present invention, a first adjustable lens is adjusted in a first plane, a second adjustable lens is adjusted in a second plane, so as to adjust the light path of the laser beam emitted from the laser light source, so that the laser beam passes through a first calibration center and a second calibration center in the beam expander adjusting jig, the beam expander adjusting jig is removed, the beam expander to be fixed is placed at a position before the beam expander adjusting jig is removed, the beam expander to be fixed is fixed by using a fixing member, so that after the beam expander to be fixed is fixed to the position of the beam expander adjusting jig, the laser beam can pass through the axis of the beam expander to be fixed, thereby achieving the alignment adjustment of the beam expander, during the light path adjustment process, only two-dimensional adjustment needs to be performed on the first adjustable lens and the second adjustable lens respectively, the stability of the device is improved.
Optionally, the first adjustable lens may be adjusted in a first plane, and the second adjustable lens may be adjusted in a second plane by: and adjusting the first adjustable lens and the second adjustable lens to rotate in the first plane and the second plane respectively through the corresponding two-dimensional adjusting frames so as to change the path of the laser beam, so that the laser beam passes through the first calibration center and the second calibration center.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (8)
1. An optical path adjusting apparatus, comprising:
the device comprises a laser light source, a first adjustable lens, a second adjustable lens and a beam expanding lens adjusting jig;
the laser light source is used for emitting laser beams;
the first adjustable lens, the second adjustable lens and the beam expanding lens adjusting jig are sequentially arranged on the light path of the laser beam;
the first adjustable lens is adjustable in a first plane and the second adjustable lens is adjustable in a second plane, the first plane and the second plane being perpendicular or parallel to each other;
the beam expander adjusting jig comprises a fixed cylinder, a first calibrating part and a second calibrating part, wherein the first calibrating part and the second calibrating part are respectively positioned at two ends of the fixed cylinder in the extending direction of the fixed cylinder; the structure of the fixed cylinder is the same as that of the lens barrel of the beam expanding lens to be fixed; the fixed cylinder is detachably connected with the fixed part thereof.
2. The optical path adjustment device according to claim 1, wherein the first calibration portion and the second calibration portion are each detachably connected to the fixed barrel.
3. The optical path adjustment device according to claim 2, wherein the first calibration portion includes a first calibration face and a first connection structure provided around the first calibration face;
the second alignment portion includes a second alignment face and a second connection structure disposed around the second alignment face;
the diameters of the outer walls of the first connecting structure and the second connecting structure are equal to the diameter of the inner side wall of the corresponding end part of the fixed cylinder.
4. The optical path adjustment device according to claim 3, wherein a side of the first connection structure away from the first calibration surface is provided with a first connection thread;
a second connecting thread is arranged on one side, away from the second calibration surface, of the second connecting structure;
and the inner sides of the two end parts of the fixed cylinder are respectively provided with a third connecting thread and a fourth connecting thread which are matched with the first connecting thread and the second connecting thread.
5. The optical path adjusting apparatus according to claim 3 or 4, wherein the first collimating surface includes a plurality of first defining bars, both ends of the first defining bars being connected to the first connecting structure; a plurality of the first delimitation bars intersect to define the first calibration center;
the second calibration surface comprises a plurality of second limiting strips, and two ends of each second limiting strip are connected with the second connecting structures; the plurality of second delimiter bars intersect to define the second calibration center.
6. The optical path adjustment device according to claim 5, wherein the plurality of first defining bars includes two first defining bars, the two first defining bars being disposed vertically;
the plurality of second defining bars includes two second defining bars, and the two second defining bars are vertically disposed.
7. The optical path adjustment device according to claim 1, wherein the fixing member includes a first meniscus and a second meniscus that hold the fixing barrel.
8. The optical path adjusting apparatus according to claim 1, wherein the material of the fixed cylinder and the lens barrel of the beam expander to be fixed is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100626.7U CN212379670U (en) | 2020-06-15 | 2020-06-15 | Light path adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100626.7U CN212379670U (en) | 2020-06-15 | 2020-06-15 | Light path adjusting device |
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| CN212379670U true CN212379670U (en) | 2021-01-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580284A (en) * | 2020-06-15 | 2020-08-25 | 苏州科韵激光科技有限公司 | Light path adjusting device and method |
| CN119347100A (en) * | 2024-09-29 | 2025-01-24 | 无锡超通智能制造技术研究院有限公司 | Laser beam expansion optical path automatic calibration mechanism and method |
-
2020
- 2020-06-15 CN CN202021100626.7U patent/CN212379670U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111580284A (en) * | 2020-06-15 | 2020-08-25 | 苏州科韵激光科技有限公司 | Light path adjusting device and method |
| CN111580284B (en) * | 2020-06-15 | 2024-09-24 | 苏州科韵激光科技有限公司 | Light path adjusting device and method |
| CN119347100A (en) * | 2024-09-29 | 2025-01-24 | 无锡超通智能制造技术研究院有限公司 | Laser beam expansion optical path automatic calibration mechanism and method |
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