CN106646804B - Clamping device and optical instrument - Google Patents
Clamping device and optical instrument Download PDFInfo
- Publication number
- CN106646804B CN106646804B CN201611191063.5A CN201611191063A CN106646804B CN 106646804 B CN106646804 B CN 106646804B CN 201611191063 A CN201611191063 A CN 201611191063A CN 106646804 B CN106646804 B CN 106646804B
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- base
- hole
- optical element
- mounting
- clamping device
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a clamping device and an optical instrument, and relates to the field of optical instruments. The invention provides a clamping device for clamping an optical element, which comprises a base and a pressing piece, wherein the pressing piece is detachably arranged on the base, and the pressing piece is used for clamping the optical element on the base along the thickness direction of the optical element. The invention also provides an optical instrument which comprises the rotary table and the clamping device, wherein the clamping device is detachably arranged on the rotary table. The clamping device and the optical instrument provided by the invention can improve the distortion generated in the optical element and on the surface when the optical element is clamped, and are convenient for researchers to do experiments.
Description
Technical Field
The invention relates to the field of optical instruments, in particular to a clamping device and an optical instrument.
Background
At present, researchers are more and more deeply researching optics, the adopted optical instruments are more and more, when the traditional optical instruments are used, a plurality of optical elements are fixed by adopting side edges and pressing, at the moment, mechanical stress is inevitably introduced into the optical elements, deformation generated by the stress distorts the inside and the surface of the optical elements, the optical characteristics of the optical elements are changed to a certain extent, the quality degradation of light beams passing through the optical elements is serious, the considerable difficulty is increased for the researchers to do experiments, and experimental data are rough.
Disclosure of Invention
The invention aims to provide a clamping device which can improve distortion generated in the inner part and the surface of an optical element when the optical element is clamped.
Another object of the present invention is to provide an optical instrument capable of improving distortion generated inside and on the surface of an optical element when the optical element is held.
The invention provides a technical scheme that:
a clamping device for clamping an optical element comprises a base and a pressing piece detachably mounted on the base, wherein the pressing piece is used for clamping the optical element on the base along the thickness direction of the optical element.
Further, a first through hole is formed in the base along the thickness direction of the base, a second through hole is formed in the pressing sheet along the thickness direction of the pressing sheet, and the first through hole is used for being corresponding to the second through hole.
Further, the base is provided with a mounting groove, so that the optical element is accommodated in the mounting groove along the thickness direction of the optical element, the mounting groove is formed in the side face of the base, and the first through hole is formed in the mounting groove.
Further, the mounting groove is a square groove, the corner of the square groove is provided with a disassembly groove, the disassembly groove is round, and the circle center of the disassembly groove coincides with the corner of the square groove.
Further, the first through hole is in a round table shape, and the upper bottom surface of the first through hole is positioned in the mounting groove.
Further, the base further includes a cooling mechanism provided inside the base for cooling the optical element.
Further, the cooling mechanism comprises a water circulation channel, the water circulation channel is arranged inside the base, a water inlet and a water outlet are arranged on the side face of the base, and the water inlet and the water outlet are respectively communicated with the water circulation channel.
Further, the water circulation passage is square, and the water circulation passage surrounds the first through hole.
Further, the base is further provided with a mounting seat, the mounting seat is arranged on the side face of the base, and the mounting seat is provided with a first mounting hole.
An optical instrument includes a rotary table and a clamping device. The clamping device is used for clamping the optical element. The clamping device comprises a base and a pressing piece, wherein the pressing piece is detachably arranged on the base and used for clamping the optical element on the base along the thickness direction of the optical element. The base is detachably mounted on the rotary table.
Compared with the prior art, the clamping device and the optical instrument provided by the invention have the beneficial effects that:
the optical element is clamped on the base along the thickness direction of the optical element by the pressing sheet, so that mechanical stress brought by clamping the side surface of the optical element is avoided, distortion of the inner part and the surface of the optical element is improved, data obtained by experiments of researchers are more accurate, and convenience is brought to the experiments of the researchers.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of a clamping device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first view angle of a base according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a second view angle of the base according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a base provided by an embodiment of the present invention;
fig. 5 is a schematic structural view of a third view angle of a tablet according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a fourth view angle of a tablet according to an embodiment of the present invention.
Icon: 10-clamping device; 100-base; 110-a base body; 111-a second mounting hole; 113-a first side; 115-a second side; 120-a first through hole; 130-mounting slots; 131-a dismounting groove; 140-a cooling mechanism; 141-a water circulation channel; 142-water inlet; 143-a water outlet; 150-mounting seats; 151-first mounting holes; 200-tabletting; 210-tabletting body; 211-mounting through holes; 213-third side; 215-fourth side; 220-second vias.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the 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 invention, as 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 made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the inventive product is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
First embodiment
Referring to fig. 1, fig. 1 is an exploded view of a clamping device 10 according to an embodiment of the present invention. The clamping device 10 is used for clamping an optical element (not shown), wherein the clamping device 10 comprises a base 100 and a press piece 200. The press sheet 200 serves to clamp the optical element to the base 100 in the thickness direction of the optical element. The optical element is prevented from being distorted in the optical element and on the surface due to clamping of the optical element from the side edge of the optical element, the optical characteristics of the optical element are improved, and the data obtained by experiments of researchers are more accurate.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a first view angle of the base 100 according to an embodiment of the invention. The base 100 includes a base body 110, a first through hole 120, and a mounting base 150.
In this embodiment, the base body 110 is a square plate with a certain thickness, and it is understood that in other embodiments, the base body 110 may be a square plate or a circular plate. In addition, the base body 110 includes a first side 113, on the first side 113, a second mounting hole 111 is formed for connecting the compression sheet 200, the second mounting hole 111 is close to four sides of the first side 113, in this embodiment, two second mounting holes 111 are formed at each side of the first side 113, and the two second mounting holes 111 divide the sides of the first side 113 into three sections. It will be appreciated that in other embodiments, the second mounting holes 111 may be arranged differently, and the number of second mounting holes 111 at each side of the first side 113 may be unequal, or may not be two, or may not be equal to the sides of the first side 113.
The base body 110 is further provided with a mounting groove 130, the mounting groove 130 is formed on the first side surface 113, and the mounting groove 130 is used for accommodating the optical element in the mounting groove 130 along the thickness direction of the optical element, so that the optical element is prevented from being displaced, and the experiment is prevented from being influenced. The mounting groove 130 is opened on the first side 113 in the thickness direction of the base body 110, and the first through hole 120 is opened in the mounting groove 130. In the present embodiment, the mounting groove 130 is a square grass groove, and four sides of the mounting groove 130 are respectively parallel to four sides of the first side 113. It will be appreciated that in other embodiments, the four sides of the mounting slot 130 may not be parallel to the four sides of the first side 113, or may be angled.
In addition, in the present embodiment, the mounting groove 130 is provided with mounting grooves 131 at four corners, the mounting grooves 131 are circular, and the centers of the mounting grooves 131 are coincident with the four corners of the mounting groove 130. The dismounting groove 131 is designed to facilitate dismounting and mounting of the optical element, and can avoid mechanical stress caused by the fact that the four corners of the optical element are abutted against the side wall of the mounting groove 130, so as to improve the optical characteristics of the optical element in use. It should be understood that in other embodiments, the number of the dismounting grooves 131 may be other than four, two or three, etc.; the attaching/detaching groove 131 may not be circular, but may be square.
The first through hole 120 is formed in the base 100, and specifically, the first through hole 120 penetrates through the base body 110 along the thickness direction of the base body 110 and is formed on the base body 110. In the present embodiment, the first through hole 120 is formed in the center of the base body 110. It is understood that in other embodiments, the first through hole 120 may not be formed in the center of the base body 110, or may be offset from the center of the base body 110.
Referring to fig. 2 and fig. 3 in combination, fig. 3 is a schematic structural diagram of a second view of the base 100 according to an embodiment of the invention. The base body 110 has a second side 115 opposite to the first side 113, and the first through hole 120 penetrates the base body 110 from the first side 113 to the second side 115.
In addition, in the present embodiment, the shape of the first through hole 120 is a truncated cone, which increases the contact area between the base body 110 and the atmosphere, so as to enhance the heat dissipation effect of the base 100, and the truncated cone-shaped first through hole 120 is more convenient for aiming the light beam. The area of the via profile of the first via 120 on the first side 113 is smaller than the area of the via profile of the first via 120 on the second side 115. It is understood that in other embodiments, the first through hole 120 may not be a truncated cone, a truncated pyramid, or the like.
Please continue to refer to fig. 2. The mounting base 150 is disposed at one side of the base body 110, and in this embodiment, the mounting base 150 is disposed at two adjacent corners of the base body 110 and is protruded from the first side 113 and the second side 115. It is understood that in other embodiments, the mounting seat 150 may be disposed differently, for example, the mounting seat 150 is disposed on an entire side of the base body 110, and the mounting seat 150 protrudes from the first side 113 and the second side 115.
The mounting base 150 is further provided with a first mounting hole 151, and in this embodiment, the first mounting hole 151 penetrates the mounting base 150 along a direction parallel to the first side 113. The base 100 is detachably mounted on the optical instrument through the first mounting hole 151.
Referring to fig. 4, fig. 4 is a cross-sectional view of a base 100 according to an embodiment of the invention. The base 100 is also provided with a cooling mechanism 140. The cooling mechanism 140 is used for taking away the heat of the optical element and dissipating the heat of the optical element.
The cooling mechanism 140 includes a water circulation passage 141, a water inlet 142, and a water outlet 143. The water circulation passage 141 is disposed inside the base body 110 and surrounds the first through hole 120. The water inlet 142 and the water outlet 143 are provided at the side of the base body 110, and the water inlet 142 and the water outlet 143 are respectively communicated with the water circulation passage 141. In the present embodiment, the water circulation channel 141 has a square shape, and each side of the water circulation channel 141 is equally spaced from the center of the first through hole 120. It is understood that in other embodiments, the water circulation channel 141 may be other than square or circular. In the present embodiment, the water inlet 142 and the water outlet 143 are disposed at the same side of the base body 110, and it should be understood that the water inlet 142 and the water outlet 143 may be disposed at different sides of the base body 110.
In addition, in the present embodiment, the water inlet 142 is disposed below the water outlet 143, so that the cooling liquid can exchange heat with the base body 110 for a sufficient time to achieve a better cooling effect. It should be appreciated that in other embodiments, the water inlet 142 may also be disposed above the water outlet 143.
Referring to fig. 5 and fig. 6 in combination, fig. 5 is a schematic structural diagram of a third view of a compression sheet 200 according to an embodiment of the present invention, and fig. 6 is a schematic structural diagram of a fourth view of the compression sheet 200 according to an embodiment of the present invention. The press sheet 200 is used to clamp the optical element to the base 100 in the thickness direction thereof, and the press sheet 200 includes a press sheet body 210 and a second through hole 220.
In the present embodiment, the wafer body 210 is in the shape of a regular octagon, and each corner of the wafer 200 is provided with a mounting through hole 211, and the mounting through holes 211 are used to correspond to the second mounting holes 111. Compression sheet 200 has oppositely disposed third side 213 and fourth side 215. The mounting through hole 211 penetrates the tablet body 210 to the fourth side 215 from the third side 213, and the mounting through hole 211 is in a truncated cone shape, the lower bottom surface of the mounting through hole 211 is located at the third side 213, and the upper bottom surface of the mounting through hole 211 is located at the fourth side 215. The mounting through holes 211 are provided in a circular truncated cone shape in order that bolts for fastening the pressing sheet 200 do not protrude from the surface of the pressing sheet 200 when the pressing sheet 200 is mounted on the base 100, thereby avoiding accidental touching of the bolts.
The second through hole 220 is formed in the thickness direction of the tablet 200, and in this embodiment, the second through hole 220 is formed in the center of the tablet body 210, and penetrates through the tablet body 210 to the fourth side 215 from the third side 213. The second through hole 220 is in a truncated cone shape, an upper bottom surface of the second through hole 220 is located on the fourth side surface 215, and a lower bottom surface of the second through hole 220 is located on the third side surface 213. The second through hole 220 is configured in a circular truncated cone shape to facilitate the light beam entering, and also facilitate the observation of researchers.
In use, the optical element is held on the base 100 by the pressing sheet 200 along the thickness direction thereof, the optical element is accommodated in the mounting groove 130 of the first side 113 along the thickness direction thereof, and the optical element is held at the corresponding positions of the first through hole 120 and the second through hole 220, so that the optical element can be transmitted by the light beam. When the cooling liquid is fed into the water circulation channel 141 from the water inlet 142, the cooling liquid takes away the heat of the base 100, especially the first side 113 close to the water circulation channel 141, further cools the optical element clamped on the first side 113, and then the cooling liquid flows out from the water outlet 143, thereby completing the cooling operation of the optical element.
In summary, by clamping the optical element to the base 100 along the thickness direction of the optical element by the pressing sheet 200, mechanical stress caused by clamping along the side surface of the optical element is avoided, distortion inside and on the surface of the optical element is reduced, and optical characteristics of the optical element are further improved. And, the cooling mechanism 140 dissipates heat to the base 100, indirectly takes away heat on the optical element, dissipates heat to the optical element, and improves the optical characteristics of the optical element.
Second embodiment
The present embodiment provides an optical instrument (not shown) including a rotary table and the holding device 10 provided in the first embodiment. The holding device 10 is detachably mounted on the optical instrument by means of a mounting 150.
The optical instrument employs the clamping device 10 provided in the first embodiment. By clamping the optical element to the base 100 along the thickness direction of the optical element by the press sheet 200, mechanical stress caused by clamping along the side surface of the optical element is avoided, distortion inside and on the surface of the optical element is reduced, and optical characteristics of the optical element are further improved. And, the cooling mechanism 140 dissipates heat to the base 100, indirectly takes away heat on the optical element, dissipates heat to the optical element, and improves the optical characteristics of the optical element.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The clamping device is used for clamping an optical element and is characterized by comprising a base and a pressing sheet, wherein a second mounting hole is formed in the base, the pressing sheet is detachably mounted on the base through the second mounting hole, the pressing sheet is used for clamping the optical element on the base along the thickness direction of the optical element, a first through hole is formed in the base along the thickness direction of the base, a second through hole is formed in the pressing sheet along the thickness direction of the pressing sheet, and the first through hole is used for corresponding to the second through hole; the first through hole is in a truncated cone shape;
the base also includes a cooling mechanism disposed inside the base for cooling the optical element.
2. The clamping device as claimed in claim 1, wherein the base is provided with a mounting groove so that the optical element is accommodated in the mounting groove along a thickness direction thereof, the mounting groove is provided on a side surface of the base, and the first through hole is provided in the mounting groove.
3. The clamping device according to claim 2, wherein the mounting groove is a square groove, a disassembly groove is formed in a corner of the square groove, the disassembly groove is circular, and the center of the disassembly groove coincides with the corner of the square groove.
4. A clamping device as claimed in claim 3, characterised in that the upper bottom surface of the first through hole is located inside the mounting groove.
5. The clamping device as claimed in claim 1, wherein the cooling mechanism comprises a water circulation channel, the water circulation channel is arranged inside the base, a water inlet and a water outlet are arranged on the side face of the base, and the water inlet and the water outlet are respectively communicated with the water circulation channel.
6. The clamping device as recited in claim 5, characterised in that the water circulation channel is square and surrounds the first through hole.
7. The clamping device of claim 5, wherein the base is further provided with a mounting seat, the mounting seat is disposed on a side surface of the base, and the mounting seat is provided with a first mounting hole.
8. An optical instrument comprising a rotary stage, further comprising a clamping device as claimed in any one of claims 1 to 7, the base being detachably mounted on the rotary stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191063.5A CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191063.5A CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106646804A CN106646804A (en) | 2017-05-10 |
| CN106646804B true CN106646804B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611191063.5A Active CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
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| CN (1) | CN106646804B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000187143A (en) * | 1998-12-24 | 2000-07-04 | Ishikawajima Harima Heavy Ind Co Ltd | Cooling type lens holder |
| TW200603096A (en) * | 2004-07-02 | 2006-01-16 | Hon Hai Prec Ind Co Ltd | Holding apparatus for optical elements |
| CN201344982Y (en) * | 2008-11-27 | 2009-11-11 | 北京中视中科光电技术有限公司 | Coupling head for fiber coupling |
| TW200947004A (en) * | 2008-05-02 | 2009-11-16 | Hon Hai Prec Ind Co Ltd | Position device for assembling lens |
| CN201698076U (en) * | 2010-05-27 | 2011-01-05 | 深圳市大族激光科技股份有限公司 | Two-dimensional adjusting device |
| CN102298186A (en) * | 2011-09-19 | 2011-12-28 | 中国科学院半导体研究所 | Optical adjusting bracket |
| CN202693885U (en) * | 2012-06-28 | 2013-01-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Clamping device for rapidly replacing optical lens |
| CN202975440U (en) * | 2012-12-17 | 2013-06-05 | 广州安特激光技术有限公司 | Horizontal optical adjusting frame |
| CN103217771A (en) * | 2013-05-15 | 2013-07-24 | 哈尔滨工业大学 | Front four-point clamping device of large-caliber convex lens |
| CN204028429U (en) * | 2014-07-11 | 2014-12-17 | 中国工程物理研究院激光聚变研究中心 | A kind of adjustable mirror shelf structure |
| CN105445883A (en) * | 2015-06-05 | 2016-03-30 | 中国科学院理化技术研究所 | Optical mirror frame device |
| CN206440866U (en) * | 2016-12-21 | 2017-08-25 | 中国工程物理研究院激光聚变研究中心 | A kind of clamping device and optical instrument |
-
2016
- 2016-12-21 CN CN201611191063.5A patent/CN106646804B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000187143A (en) * | 1998-12-24 | 2000-07-04 | Ishikawajima Harima Heavy Ind Co Ltd | Cooling type lens holder |
| TW200603096A (en) * | 2004-07-02 | 2006-01-16 | Hon Hai Prec Ind Co Ltd | Holding apparatus for optical elements |
| TW200947004A (en) * | 2008-05-02 | 2009-11-16 | Hon Hai Prec Ind Co Ltd | Position device for assembling lens |
| CN201344982Y (en) * | 2008-11-27 | 2009-11-11 | 北京中视中科光电技术有限公司 | Coupling head for fiber coupling |
| CN201698076U (en) * | 2010-05-27 | 2011-01-05 | 深圳市大族激光科技股份有限公司 | Two-dimensional adjusting device |
| CN102298186A (en) * | 2011-09-19 | 2011-12-28 | 中国科学院半导体研究所 | Optical adjusting bracket |
| CN202693885U (en) * | 2012-06-28 | 2013-01-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Clamping device for rapidly replacing optical lens |
| CN202975440U (en) * | 2012-12-17 | 2013-06-05 | 广州安特激光技术有限公司 | Horizontal optical adjusting frame |
| CN103217771A (en) * | 2013-05-15 | 2013-07-24 | 哈尔滨工业大学 | Front four-point clamping device of large-caliber convex lens |
| CN204028429U (en) * | 2014-07-11 | 2014-12-17 | 中国工程物理研究院激光聚变研究中心 | A kind of adjustable mirror shelf structure |
| CN105445883A (en) * | 2015-06-05 | 2016-03-30 | 中国科学院理化技术研究所 | Optical mirror frame device |
| CN206440866U (en) * | 2016-12-21 | 2017-08-25 | 中国工程物理研究院激光聚变研究中心 | A kind of clamping device and optical instrument |
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| Publication number | Publication date |
|---|---|
| CN106646804A (en) | 2017-05-10 |
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