CN114413793A - Laser collimation device - Google Patents
Laser collimation device Download PDFInfo
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- CN114413793A CN114413793A CN202210054728.7A CN202210054728A CN114413793A CN 114413793 A CN114413793 A CN 114413793A CN 202210054728 A CN202210054728 A CN 202210054728A CN 114413793 A CN114413793 A CN 114413793A
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- laser
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- clamping plate
- interference
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- 238000001514 detection method Methods 0.000 abstract description 23
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The embodiment of the invention provides a laser collimation device, and relates to the field of laser detection. The laser collimation device comprises a laser, an interference lens group and a connecting piece, wherein the interference lens group is detachably connected with the laser through the connecting piece. When the laser collimating device is used for detection, the interference lens group can be detachably connected with the laser through the connecting piece, accurate positioning can be rapidly carried out, even if the size of a detected object is too large, or the measurement space is limited, the interference lens group and the laser can be ensured to keep a relatively proper position, the interference lens group and the laser are effectively combined, detection work is smoothly completed, and the efficiency of detection work is improved.
Description
Technical Field
The invention relates to the field of laser detection, in particular to a laser collimation device.
Background
The precision of a motion control system is an important index parameter for measuring the performance of the motion control system, such as the positioning precision and the repeated positioning precision of products such as a machine tool, a movable guide rail, a linear module and the like. Such as detecting large numerically controlled machine tools, large three-dimensional coordinates, biomedical motion control systems, etc.
The detection method in the prior art has the problem that the interference lens group and the laser cannot be placed at proper positions for detection, so that the detection cannot be carried out smoothly.
Disclosure of Invention
The invention provides a laser collimation device, which can effectively combine a laser and an interference lens group so as to smoothly detect.
Embodiments of the invention may be implemented as follows:
an embodiment of the present invention provides a laser collimation apparatus, including:
a laser;
an interference lens group; and
the interference mirror group is detachably connected with the laser through the connecting piece.
Optionally, the connecting member includes a clamping plate and a fixed support plate, the clamping plate is connected to the laser, the fixed support plate is configured to support the interference mirror group, and the fixed support plate is detachably connected to the clamping plate.
Optionally, the clamping plate is threadedly connected to the bottom of the laser.
Optionally, the laser collimation device further comprises a locking member, and the clamping plate is connected with the fixed support plate through the locking member.
Optionally, a first mounting hole is formed in the clamping plate, a second mounting hole is formed in the fixed supporting plate, and the locking piece is used for penetrating through the first mounting hole and the second mounting hole to connect the clamping plate and the fixed supporting plate.
Optionally, the laser instrument includes laser base and laser head, the laser head set up in one side of laser base, the clamp plate with the bottom of laser base is connected.
Optionally, the fixed bolster set up in the laser base is equipped with one side of laser head, in order to be used for making it is right to interfere the mirror group laser that the laser head sent interferes.
Optionally, one end of the fixed support plate is connected with the clamping plate, and the other end of the fixed support plate extends out of the laser base.
Optionally, the clamping plate and the fixed support plate are both provided with chamfers.
Optionally, the fixed support plate is arranged parallel to the laser.
The laser collimation device of the embodiment of the invention has the advantages that:
the laser collimation device comprises a laser, an interference lens group and a connecting piece, wherein the interference lens group is detachably connected with the laser through the connecting piece. When the laser collimating device is used for detection, the interference lens group can be detachably connected with the laser through the connecting piece, accurate positioning can be rapidly carried out, even if the size of a detected object is too large, or the measurement space is limited, the interference lens group and the laser can be ensured to keep a relatively proper position, the interference lens group and the laser are effectively combined, detection work is smoothly completed, and the efficiency of detection work is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a first view angle of a laser collimation device provided in this embodiment;
fig. 2 is a schematic structural diagram of a second view angle of a laser collimation device provided in this embodiment;
fig. 3 is a schematic structural diagram of a third view angle of the laser collimation device provided in this embodiment.
Icon: 100-a laser; 110-a laser head; 120-laser base; 121-base hole; 200-an interference mirror group; 300-a connector; 310-a clamping plate; 311-first mounting hole; 320-a fixed support plate; 321-a second mounting hole; 322-connecting hole; 323-through holes; 400-a reflector group; 500-a retaining member; 600-chamfering; 1000-laser alignment means; 2000-workbench.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The precision of a motion control system is an important index parameter for measuring the performance of the motion control system, such as the positioning precision and the repeated positioning precision of products such as a machine tool, a movable guide rail, a linear module and the like. Such as detecting large numerically controlled machine tools, large three-dimensional coordinates, biomedical motion control systems, etc.
The detection method in the related art has the problem that the interference lens group and the laser cannot be placed at proper positions for detection, so that the detection cannot be carried out smoothly.
Referring to fig. 1-3, the present embodiment provides a laser alignment apparatus 1000, the laser alignment apparatus 1000 includes a laser 100, an interference lens assembly 200, a connecting member 300, and a reflecting lens assembly 400, the interference lens assembly 200 is detachably connected to the laser 100 via the connecting member 300, and the reflecting lens assembly 400 is configured to be placed on a worktable 2000. The laser alignment device 1000 can effectively solve the above-mentioned technical problems, and can effectively combine the laser 100 and the interference mirror group 200, thereby smoothly performing detection.
Specifically, the laser 100, the interference mirror assembly 200 and the reflecting mirror assembly 400 should be located on the same axis, and the interference mirror assembly 200 is located between the laser 100 and the reflecting mirror assembly 400, so that the light paths among the laser 100, the interference mirror assembly 200 and the reflecting mirror assembly 400 are collimated, thereby detecting the object to be detected.
It should be noted that, in the process of performing the detection operation, the distance between the interference mirror group 200 and the laser 100 should be as small as possible to reduce the dead distance error, and due to the practical detection scene space limitation or the limit stroke limitation, the interference mirror group 200 and the laser 100 cannot be placed at the proper positions for the detection operation, which may result in the detection operation being unable to be performed smoothly. Interference mirror group 200 in this embodiment passes through connecting piece 300 and is connected with laser instrument 100 detachably, when detecting the operation, if receive and detect scene space restriction or limit stroke restriction, place speculum group 400 on the operation platform, then will interfere mirror group 200 and laser instrument 100 through connecting piece 300 and place together, thereby reduce the dead distance error, make laser instrument 100 interfere and can carry out the light path collimation fast between mirror group 200 and the speculum group 400, thereby detect the operation, can reduce the restriction that detects the operation and receive and detect the scene space, the suitability is stronger.
Fig. 2 specifically shows structural features of the laser collimating device 1000, and a detailed description of the structure of the laser collimating device 1000 will be provided below.
Referring to fig. 2, the connecting member 300 includes a clamping plate 310 and a fixing support plate 320, the clamping plate 310 is connected to the laser 100, the fixing support plate 320 is used for supporting the interference lens assembly 200, and the fixing support plate 320 is detachably connected to the clamping plate 310.
In this embodiment, clamping plate 310 is threaded to the bottom of laser 100. In other embodiments, the clamping plate 310 may also be welded to the bottom of the laser 100. And is not particularly limited herein.
In addition, the laser alignment apparatus 1000 further includes a locking member 500, and the clamping plate 310 and the fixed support plate 320 are coupled by the locking member 500.
In this embodiment, the locker 500 is a bolt. In other embodiments, retaining member 500 can also be a screw or the like. And is not particularly limited herein.
More specifically, the clamping plate 310 is provided with a first mounting hole 311, the fixed supporting plate 320 is provided with a second mounting hole 321, and the locking member 500 is used to pass through the first mounting hole 311 and the second mounting hole 321 to connect the clamping plate 310 and the fixed supporting plate 320.
In the present embodiment, the number of the first mounting holes 311 is one. In other embodiments, the number of the first mounting holes 311 may be increased. And is not particularly limited herein.
In the present embodiment, the number of the second mounting holes 321 is one. In other embodiments, the number of the second mounting holes 321 may be increased. And is not particularly limited herein.
It is understood that the number of the first mounting holes 311 and the number of the second mounting holes 321 correspond to one another.
In order to ensure that the relative position between the interference lens set 200 and the laser 100 can be adjusted after the interference lens set 200 is connected to the laser 100 through the connecting member 300, the first mounting hole 311 and the second mounting hole 321 are both oblong holes.
Specifically, the laser 100 includes a laser base 120 and a laser head 110, the laser head 110 is disposed at one side of the laser base 120, and a clamping plate 310 is connected to the bottom of the laser base 120.
In addition, the laser mount 120 is provided with a mount hole 121, the fixed support plate 320 is provided with a coupling hole 322, and the locking member 500 passes through the mount hole 121 and the coupling hole 322 to couple the laser mount 120 and the fixed support plate 320.
In the present embodiment, the number of the seating holes 121 is two. In other embodiments, the number of base apertures 121 may be increased or decreased. And is not particularly limited herein.
In the present embodiment, the number of the connection holes 322 corresponds to the number of the base holes 121 one to one.
It is understood that the fixed supporting plate 320 is disposed on the side of the laser base 120 where the laser head 110 is disposed, so as to enable the interference mirror group 200 to interfere with the laser emitted from the laser head 110.
One end of the fixed support plate 320 is connected to the clamping plate 310, and the other end of the fixed support plate 320 extends out of the laser base 120.
In the present embodiment, the fixed support plate 320 is disposed in parallel with the laser 100.
More, the laser 100, the clamping plate 310 and the fixed support plate 320 are all arranged in parallel.
Referring to fig. 3, in order to position the clamping plate 310 and the fixed support plate 320 and to avoid scratching an operator, the clamping plate 310 and the fixed support plate 320 are each provided with a chamfer 600.
Referring to fig. 3, the fixed supporting plate 320 is a square plate.
The clamping plate 310 is a square plate.
More, the size of the clamping plate 310 is smaller than that of the fixed support plate 320.
In addition, in order to prevent the fixed support plate 320 from affecting the components of the laser base 120 after the fixed support plate 320 is connected to the clamping plate 310, a through hole 323 is further formed in the fixed support plate 320, and the through hole 323 is used for penetrating the components of the laser base 120.
In the present embodiment, the number of the through holes 323 is two, and the through holes 323 are disposed coaxially with the connection holes 322. In other embodiments, the number of through holes 323 may vary accordingly depending on the number of components on laser mount 120. And is not particularly limited herein.
More, the aperture of the through hole 323 is larger than that of the connection hole 322. In other embodiments, the aperture of the through hole 323 may be smaller than or equal to the aperture of the connection hole 322. And is not particularly limited herein.
The working principle of the laser alignment apparatus 1000 according to this embodiment is as follows:
placing laser instrument 100 on the tripod, carrying out threaded connection with clamping plate 310 and laser base 120 of laser instrument 100, passing through retaining member 500 with fixed support plate 320 and clamping plate 310 and being connected, being connected fixed support plate 320 and laser base 120 simultaneously, then will interfere the portion of mirror group 200 and place in fixed support plate 320 and stretch out laser base 120, make laser instrument 100, interfere mirror group 200 and speculum group 400 be located the same axis through the adjustment, the collimation light path, then detect the effect.
The laser alignment apparatus 1000 provided in this embodiment has at least the following advantages:
this laser collimation device 1000 includes laser instrument 100, interfere mirror group 200, connecting piece 300 and mirror group 400, it connects with laser instrument 100 detachably through connecting piece 300 to interfere mirror group 200, mirror group 400 is used for placing on workstation 2000, in-process detecting the operation, it should be as little as possible to interfere the distance between mirror group 200 and the laser instrument 100, in order to reduce the dead distance error, because practical detection scene space restriction or limit stroke are limited, can't place interfering mirror group 200 and laser instrument 100 and detect the operation in suitable position, can lead to detecting the operation and go on smoothly. Interference mirror group 200 in this embodiment passes through connecting piece 300 and is connected with laser instrument 100 detachably, when detecting the operation, if receive and detect scene space restriction or limit stroke restriction, place speculum group 400 on the operation platform, then will interfere mirror group 200 and laser instrument 100 through connecting piece 300 and place together, thereby reduce the dead distance error, make laser instrument 100 interfere and can carry out the light path collimation fast between mirror group 200 and the speculum group 400, thereby detect the operation, can reduce the restriction that detects the operation and receive and detect the scene space, the suitability is stronger.
The laser 100, the interference mirror assembly 200 and the reflecting mirror assembly 400 should be located on the same axis, and the interference mirror assembly 200 is located between the laser 100 and the reflecting mirror assembly 400, so that the light paths among the laser 100, the interference mirror assembly 200 and the reflecting mirror assembly 400 are collimated, thereby detecting the object to be detected.
The clamping plate 310 is provided with a first mounting hole 311, the fixed support plate 320 is provided with a second mounting hole 321, the locking member 500 is used for passing through the first mounting hole 311 and the second mounting hole 321 to connect the clamping plate 310 and the fixed support plate 320, in order to ensure that the interference lens group 200 is connected with the laser 100 through the connecting member 300, the relative position between the interference lens group 200 and the laser 100 can be adjusted, and the first mounting hole 311 and the second mounting hole 321 are both oblong holes.
In order to position the clamping plate 310 and the fixed support plate 320, and at the same time to avoid scratching the operator, the clamping plate 310 and the fixed support plate 320 are each provided with a chamfer 600.
In order to prevent the fixed support plate 320 from affecting the components of the laser base 120 after the fixed support plate 320 is connected to the clamping plate 310, a through hole 323 is further formed in the fixed support plate 320, and the through hole 323 is used for penetrating the components of the laser base 120.
In summary, the embodiment of the present invention provides a laser alignment apparatus 1000, the laser alignment apparatus 1000 includes a laser 100, an interference mirror assembly 200 and a connecting member 300, wherein the interference mirror assembly 200 is detachably connected to the laser 100 through the connecting member 300. When the laser collimation device 1000 is used for detection, the interference mirror group 200 can be detachably connected with the laser 100 through the connecting piece 300, accurate positioning can be rapidly carried out, even if the size of a detected object is overlarge, or the measurement space is limited, a relatively proper position between the interference mirror group 200 and the laser 100 can be ensured, the interference mirror group 200 and the laser 100 are effectively combined, so that detection work is smoothly completed, and the efficiency of the detection work is improved.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A laser collimation apparatus, comprising:
a laser (100);
an interference mirror group (200); and
the connecting piece (300) is used for detachably connecting the interference mirror group (200) with the laser (100) through the connecting piece (300).
2. The laser collimation apparatus as claimed in claim 1, wherein the connector (300) comprises a clamping plate (310) and a fixed support plate (320), the clamping plate (310) is connected to the laser (100), the fixed support plate (320) is used for supporting the interference lens set (200), and the fixed support plate (320) is detachably connected to the clamping plate (310).
3. A laser collimation apparatus as claimed in claim 2, wherein the clamping plate (310) is threaded to the bottom of the laser (100).
4. The laser collimation apparatus as recited in claim 2, characterized in that the laser collimation apparatus (1000) further comprises a locking member (500), wherein the clamping plate (310) and the fixed support plate (320) are connected by the locking member (500).
5. The laser collimation device as claimed in claim 4, wherein a first mounting hole (311) is formed on the clamping plate (310), a second mounting hole (321) is formed on the fixed support plate (320), and the locking member (500) is configured to pass through the first mounting hole (311) and the second mounting hole (321) to connect the clamping plate (310) and the fixed support plate (320).
6. A laser collimation apparatus as claimed in claim 3, wherein the laser (100) comprises a laser base (120) and a laser head (110), the laser head (110) being arranged at one side of the laser base (120), the clamping plate (310) being connected to the bottom of the laser base (120).
7. A laser collimation apparatus as claimed in claim 6, wherein said fixed support plate (320) is arranged on the side of said laser base (120) where said laser head (110) is arranged, for said interference mirror group (200) to interfere with the laser light emitted by said laser head (110).
8. The laser collimation apparatus as recited in claim 7, wherein one end of the fixed support plate (320) is connected to the clamping plate (310), and the other end of the fixed support plate (320) extends out of the laser base (120).
9. A laser collimation device according to any of the claims 2-8, characterized in that the clamping plate (310) and the stationary support plate (320) are provided with a chamfer (600).
10. A laser collimation device according to any of the claims 2-8, characterized in that the fixed support plate (320) is arranged parallel to the laser (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054728.7A CN114413793A (en) | 2022-01-18 | 2022-01-18 | Laser collimation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210054728.7A CN114413793A (en) | 2022-01-18 | 2022-01-18 | Laser collimation device |
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| Publication Number | Publication Date |
|---|---|
| CN114413793A true CN114413793A (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210054728.7A Pending CN114413793A (en) | 2022-01-18 | 2022-01-18 | Laser collimation device |
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| Country | Link |
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| CN (1) | CN114413793A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207636018U (en) * | 2017-11-08 | 2018-07-20 | 第一拖拉机股份有限公司 | A kind of laser interferometer light path collimation auxiliary device |
| CN210346614U (en) * | 2019-08-29 | 2020-04-17 | 天津大学 | Calibration system for laser alignment receiving and transmitting integrated straightness accuracy measurement |
| CN212806912U (en) * | 2020-08-05 | 2021-03-26 | 第一拖拉机股份有限公司 | Light path collimation supporting device of laser interferometer |
-
2022
- 2022-01-18 CN CN202210054728.7A patent/CN114413793A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207636018U (en) * | 2017-11-08 | 2018-07-20 | 第一拖拉机股份有限公司 | A kind of laser interferometer light path collimation auxiliary device |
| CN210346614U (en) * | 2019-08-29 | 2020-04-17 | 天津大学 | Calibration system for laser alignment receiving and transmitting integrated straightness accuracy measurement |
| CN212806912U (en) * | 2020-08-05 | 2021-03-26 | 第一拖拉机股份有限公司 | Light path collimation supporting device of laser interferometer |
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