CN112114412A - Transmission type grating adjusting device - Google Patents
Transmission type grating adjusting device Download PDFInfo
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- CN112114412A CN112114412A CN202011116335.1A CN202011116335A CN112114412A CN 112114412 A CN112114412 A CN 112114412A CN 202011116335 A CN202011116335 A CN 202011116335A CN 112114412 A CN112114412 A CN 112114412A
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- grating
- adjusting
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- pitching
- conditioner
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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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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The invention relates to a transmission type grating adjusting device, which comprises a deflection adjusting base, a pitching adjusting fixing frame and a pitching adjusting plate, wherein the bottom of the deflection adjusting base is provided with a pin hole; an auxiliary adjusting plate is arranged on the pitching adjusting fixing frame, and a tensioning screw and a first ball head jacking screw which are matched with the pitching adjusting plate to adjust the rotating angle of the pitching adjusting plate are arranged on the auxiliary adjusting plate; the three-dimensional adjustable grating tilting mechanism is characterized in that a grating mounting plate rotationally connected with the pitching adjusting plate is arranged on the pitching adjusting plate, a grating is mounted on the grating mounting plate, two second ball head jacking screws are arranged on the pitching adjusting plate, and the two ball head jacking screws are used for adjusting the tilting rotation angle of the grating mounting plate.
Description
Technical Field
The invention relates to the technical field of lasers, in particular to a transmission type grating adjusting device.
Background
In the process of generating ultrashort pulse laser of an ultrafast laser, a pair of gratings which are arranged in parallel are required to be used for compressing laser pulse, the waveform quality and the compression efficiency of output light pulse can be influenced by the angle change of the gratings, and the three-dimensional angle of the gratings needs to be adjusted in order to obtain the optimal pulse waveform quality and the optimal compression efficiency, so that the fixing device of the gratings is required to have the function of adjusting the three-dimensional angle.
At present, the angle adjusting bracket commonly used is that the fixed plate and the adjusting plate are tensioned by a tension spring or compressed tightly by a disc spring, the angle of the adjusting plate is adjusted by a screw rod, the screw rod is locked after adjustment, and the adjustment is more convenient.
Chinese patent CN201410633421.8 discloses a high stability grating alignment jig, including base plate, regulating plate, semicircle board, grating board and locking clamp plate, installs a plurality of springs between base plate and the regulating plate, and the semicircle board is installed in the recess, and grating board vertical installation is on the semicircle board, and semicircle board top is arranged in to locking clamp plate one side lateral wall, and the regulating plate top is arranged in to another lateral wall to fasten with semicircle board and regulating plate respectively through two double-screw bolts. The invention has simple structure and convenient operation, can ensure that the laser runs more stably and ensures the reliability of long-term operation. But it is mainly by point contact, especially in pitch adjustment, with three points, which is less stable.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a transmission type grating adjusting device which can realize three-dimensional angle adjustment and reliable locking.
In order to realize the purpose of the invention, the invention adopts the following technical scheme: a transmission type grating adjusting device comprises a deflection adjusting base, a pitching adjusting fixing frame and a pitching adjusting plate, wherein the bottom of the deflection adjusting base is provided with a pin hole, the pitching adjusting fixing frame is fixed with the top of the deflection adjusting base through a connecting piece, and the pitching adjusting plate is rotatably connected with the pitching adjusting fixing frame; an auxiliary adjusting plate is arranged on the pitching adjusting fixing frame, and a tensioning screw and a first ball head jacking screw which are matched with the pitching adjusting plate to adjust the rotating angle of the pitching adjusting plate are arranged on the auxiliary adjusting plate; be equipped with the grating mounting panel with every single move regulating plate swivelling joint on the every single move regulating plate, install the grating on the grating mounting panel, be equipped with two second bulb holding screws on the every single move regulating plate, the slope rotation angle who realizes the grating mounting panel through two bulb holding screws is adjusted.
The working principle and the beneficial effects are as follows: when in use, the grating is fixedly arranged on the grating mounting plate, the two second ball head jacking screws respectively extrude the left end and the right end of the top of the grating mounting plate in a high-low mode to enable the grating mounting plate to incline left and right, so that the inclination angle adjustment of the grating mounting plate is realized, the grating mounting plate and the pitching adjusting plate are fixed through the screws after adjustment, the pitching adjusting plate is extruded or pulled through the tensioning screws and the first ball head jacking screws, so that the pitching adjusting plate can rotate and move on the pitching adjusting fixing frame by an angle, the pitching adjustment of the pitching adjusting plate is realized, finally, the adjustment of the rotation angle of the deflection adjusting base can be realized through installing pin shafts on pin holes of the deflection adjusting base, the rotation, pitching and deflection adjustment of the grating can be realized, the three-dimensional angle adjustment is independent and non-interfering, and the rotation and pitching fine adjustment can be realized, and the grating, the grating mounting plate, the pitching adjusting fixing frame and the deflection adjusting base are contacted with each other through surfaces and faces and can be fixed by connecting pieces such as screws, the advantages of reliable locking, simple integral structure and convenient adjustment can be realized, the existing elastic fixing structure is not adopted, and the stability is good.
Furthermore, a waist hole is formed in the deflection adjusting base, and the waist hole is uniformly formed along the pin hole as the center of a circle. The waist hole in this setting can be through common threaded fastener with beat adjustment base fix on other equipment, and the position setting in waist hole can realize using the pin hole to finely tune the rotation angle of axle under the screw but does not have the locking state at the lock-in screw moreover, convenient operation.
Furthermore, the pitching adjusting fixing frame is provided with a pitching adjusting rotating shaft matched with the pitching adjusting plate, and the pitching adjusting rotating shaft is horizontally arranged along the length direction of the pitching adjusting fixing frame. By means of the arrangement, the pitching adjusting plate can rotate by taking the pitching adjusting rotating shaft as an axis, namely, the pitching adjustment of the grating is achieved, and the structure is simple.
Furthermore, be equipped with on the every single move regulation mount with the every single move regulation pivot coaxial supplementary top tight screw, supplementary top tight screw is equipped with the bulb portion with the one end of every single move regulating plate contact, be equipped with on the every single move regulating plate with bulb portion complex recess. This sets up, can carry out the auxiliary stay effect to the every single move regulating plate, especially when every single move regulating plate length is longer, can be when not influencing the every single move regulating plate rotation through supplementary tight screw in top, can also support the every single move regulating plate and push up tight effect for the every single move regulating plate is more stable.
Furthermore, the pitching adjusting fixing frame is provided with a locking screw component used for limiting the rotational freedom degree of the pitching adjusting plate. After the angle is finely adjusted to the every single move regulating plate, the every single move regulating plate is locked on the every single move regulating fixing frame through the locking screw assembly, the operation is convenient, the structure is simple, and the locking screw assembly is composed of common screws, elastic pads and flat pads.
Furthermore, the grating and the grating mounting plate are fixed through bonding. The arrangement can effectively reduce the deformation of the grating caused by external force when the grating is installed.
Furthermore, be equipped with the supplementary mounting panel of detachable grating on the grating mounting panel, the supplementary mounting panel of grating is located the grating bottom. This setting is lived the bottom butt of grating through the supplementary mounting panel of grating, can play the effect of auxiliary stay in the installation grating, and after the grating is installed, the supplementary mounting panel of grating can also continuously play the supporting role to the grating.
Furthermore, be equipped with the rotation regulation pivot between every single move regulating plate and the grating mounting panel, the rotation regulation pivot is adjusted the mount width direction level along every single move and is set up. This setting can make things convenient for the grating mounting panel to rotate around the rotation regulation pivot to realize that the angle of inclination is adjusted about the grating, simple structure.
Furthermore, the pitching adjusting plate and the grating mounting plate are fixed through a connecting piece. The grating mounting plate and the pitching adjusting plate after being adjusted are fixed through common threaded fasteners, the fixing effect is good, and the mounting and dismounting are convenient.
Furthermore, the tensioning screw penetrates through the auxiliary adjusting plate to be connected with the pitching adjusting plate, and the first ball head jacking screw penetrates through the auxiliary adjusting plate to be abutted against the side wall of the pitching adjusting plate. This sets up, when needs promote the every single move regulating plate rotation to the inboard, only need loosen straining screw earlier, last to inboard locking first bulb top tight screw can, when needs outwards draw the every single move regulating plate, only need loosen first bulb top tight screw to the outside, resume inwards screwing up straining screw again for straining screw can stimulate the every single move regulating plate to the rotatory take the angle in outside, thereby realize the angle fine setting of every single move regulating plate, convenient operation.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is another schematic view of FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a top view of the present invention;
fig. 5 is a cross-sectional view a-a of fig. 3.
In the figure, 1, a grating; 2. a grating mounting plate; 3. an auxiliary mounting plate; 4. a pitch adjustment mount; 5. a pitching adjusting plate; 6. a yaw adjustment base; 7. an auxiliary adjusting plate; 8. auxiliary jacking screws; 9. the second ball head tightly presses the screw; 11. a pitch adjustment shaft; 12. a locking screw assembly; 14. tightening the screw; 15. the first ball head abuts against the screw; 16. rotating the adjusting rotating shaft; 101. a pin hole; 801. a ball head part.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.
As shown in fig. 1 to 5, the transmissive optical grating adjusting device includes a yaw adjusting base 6 having a pin hole 101 at the bottom, a pitch adjusting fixing frame 4 fixed to the top of the yaw adjusting base 6 by a connecting member, and a pitch adjusting plate 5 rotatably connected to the pitch adjusting fixing frame 4, wherein the connecting member is a common threaded fastener, such as a screw.
In this embodiment, the pitching adjusting fixing frame 4 is provided with an opening for mounting the pitching adjusting plate 5, and the left and right ends of the pitching adjusting plate 5 are in contact with the inner wall of the opening.
Specifically, an auxiliary adjusting plate 7 is arranged on the pitching adjusting fixing frame 4, and a tensioning screw 14 and a first ball head jacking screw 15 which are matched with the pitching adjusting plate 5 to adjust the rotating angle of the pitching adjusting plate 5 are arranged on the auxiliary adjusting plate 7;
specifically, be equipped with on every single move regulating plate 5 with 5 swivelling joint's of every single move regulating plate grating mounting panel 2, install grating 1 on the grating mounting panel 2, be equipped with two second bulb top tight screws 9 on the every single move regulating plate 5, realize grating mounting panel 2's slope rotation angle through second bulb top tight screws 9 and adjust.
Specifically, the deflection adjusting base 6 is provided with a waist hole, and the waist hole is uniformly arranged along the pin hole 101 as a circle center. The waist hole in the setting can be used for fixing the deflection adjusting base 6 on other equipment through common threaded fasteners, and the position of the waist hole is set, so that the fine adjustment of the rotation angle by taking the pin hole 101 as the shaft can be realized in the state that the screw is locked but not locked, and the operation is convenient.
Specifically, be equipped with on every single move regulation mount 4 with every single move regulation 5 complex every single move regulation pivot 11, every single move regulation pivot 11 is along 4 length direction horizontal settings of every single move regulation mount. The arrangement enables the pitch adjusting plate 5 to rotate around the pitch adjusting rotating shaft 11, namely, realizes the pitch adjustment of the grating 1, and has a simple structure.
Specifically, be equipped with on every single move and adjust the mount 4 with the every single move adjust the coaxial supplementary top tight screw 8 of pivot 11, the supplementary one end of jacking screw 8 and the contact of every single move regulating plate 5 is equipped with bulb portion 801, be equipped with on the every single move regulating plate 5 with bulb portion 801 complex recess. This sets up, can carry out auxiliary stay to every single move regulating plate 5, especially when every single move regulating plate 5 length is longer, can not influence every single move regulating plate 5 rotation through supplementary tight screw 8 in top, can also support and push up tight effect to every single move regulating plate 5 for every single move regulating plate 5 is more stable.
Specifically, the pitch adjustment fixing frame 4 is provided with a locking screw assembly 12 for limiting the rotational degree of freedom of the pitch adjustment plate 5. After 5 fine setting angles in every single move regulating plate, rethread locking screw subassembly 12 locks every single move regulating plate 5 on every single move regulation mount 4, convenient operation simple structure, it is preferred, can also set up great hole or waist hole on every single move regulation mount 4, make things convenient for the fine setting of every single move regulating plate 5, make every single move regulating plate 5 when angle regulation, need not take out the screw earlier, only need not lock can, directly lock after adjusting well can, wherein locking screw subassembly 12 is common screw, bullet pad and flat pad are constituteed.
Specifically, the grating 1 and the grating mounting plate 2 are fixed by bonding. The deformation of the grating 1 caused by external force during installation of the grating 1 can be effectively reduced, the grating 1 is preferably fixed by glue such as liquid silica gel, the liquid silica gel has excellent transparency, tear strength, rebound resilience, yellowing resistance, thermal stability, water resistance, good air permeability, heat aging resistance and weather resistance, and meanwhile, the viscosity is moderate, the operation is convenient, and the grating 1 fixing device is very suitable for fixing the grating 1.
Specifically, install supplementary mounting panel 3 through common screw on the grating mounting panel 2, supplementary mounting panel 3 is located grating 1 bottom. This setting is lived the bottom butt of grating 1 through supplementary mounting panel 3, can play the effect of auxiliary stay in installation grating 1, and after grating 1 installed, supplementary mounting panel 3 can also continuously play the supporting role to grating 1.
Specifically, be equipped with rotation regulation pivot 16 between every single move regulating plate 5 and the grating mounting panel 2, rotation regulation pivot 16 is followed every single move and is adjusted 4 width direction horizontal settings of mount. This setting can make things convenient for grating mounting panel 2 to rotate with rotation regulation pivot 16 to realize that the angle of inclination is adjusted about grating 1, simple structure.
Specifically, the pitching adjusting plate 5 and the grating mounting plate 2 are fixed through a connecting piece. Fix grating mounting panel 2 and every single move regulating plate 5 after will adjusting through common threaded fastener, it is fixed effectual, easy dismounting.
Specifically, the tightening screw 14 penetrates through the auxiliary adjusting plate 7 to be connected with the pitch adjusting plate 5, and the first ball head jacking screw 15 penetrates through the auxiliary adjusting plate 7 to abut against the side wall of the pitch adjusting plate 5. This sets up, when the needs promote the 5 boards of every single move regulation to the inboard rotatory, only need loosen straining screw 14 earlier, it can to last to lock first bulb top tightening screw 15 to the inboard, when needing to pull every single move regulation board 5 outwards, only need loosen first bulb top tightening screw 15 to the outboard, continue inwards to screw up straining screw 14 again, make straining screw 14 can stimulate the certain angle of every single move regulation board 5 outside rotation, thereby realize every single move regulation board 5's angle fine setting, and convenient operation.
In the present embodiment, the first ball-end holding screw 15, the second ball-end holding screw 9 and the auxiliary holding screw 8 have substantially the same structure.
In conclusion, the device of the invention enables the grating 1 to realize the rotation adjustment of the X axis, the Y axis and the Z axis, and the rotation adjustment is independent and not interfered with each other, the adjustment effect is good, the adjustment is convenient, and the fixed effect after the adjustment is good.
The present invention is not described in detail in the prior art, and therefore, the present invention is not described in detail.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Although the terms of the grating 1, the grating mounting plate 2, the auxiliary mounting plate 3, the pitch adjustment fixing frame 4, the pitch adjustment plate 5, the yaw adjustment base 6, the auxiliary adjustment plate 7, the auxiliary tightening screw 8, the second ball tightening screw 9, the pitch adjustment rotating shaft 11, the locking screw assembly 12, the tightening screw 14, the first ball tightening screw 15, the rotation adjustment rotating shaft 16, the pin hole 101, the ball head 801, etc., are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (10)
1. A transmission type grating adjusting device is characterized by comprising a deflection adjusting base, a pitching adjusting fixing frame and a pitching adjusting plate, wherein the bottom of the deflection adjusting base is provided with a pin hole, the pitching adjusting fixing frame is fixed with the top of the deflection adjusting base through a connecting piece, and the pitching adjusting plate is rotatably connected with the pitching adjusting fixing frame; an auxiliary adjusting plate is arranged on the pitching adjusting fixing frame, and a tensioning screw and a first ball head jacking screw which are matched with the pitching adjusting plate to adjust the rotating angle of the pitching adjusting plate are arranged on the auxiliary adjusting plate; the pitching adjusting plate is provided with a grating mounting plate which is rotatably connected with the pitching adjusting plate, and a grating is mounted on the grating mounting plate; and two second bulb jacking screws are arranged on the pitching adjusting plate, and the inclination rotation angle adjustment of the grating mounting plate is realized through the two bulb jacking screws.
2. A transmissive grating conditioner as claimed in claim 1, wherein the yaw adjustment base has a waist hole, and the waist holes are uniformly arranged around the pin hole.
3. The transmissive grating conditioner of claim 1, wherein the elevation adjusting fixture has an elevation adjusting shaft engaged with the elevation adjusting plate, and the elevation adjusting shaft is horizontally disposed along a length direction of the elevation adjusting fixture.
4. A transmissive grating adjusting device as claimed in claim 3, wherein the pitch adjusting fixing frame is provided with an auxiliary tightening screw coaxial with the pitch adjusting shaft, the end of the auxiliary tightening screw contacting with the pitch adjusting plate is provided with a ball head, and the pitch adjusting plate is provided with a groove matching with the ball head.
5. A transmissive grating conditioner as claimed in claim 1, wherein the pitch adjustment fixing frame is provided with a locking screw assembly for limiting the rotational degree of freedom of the pitch adjustment plate.
6. A transmissive grating conditioner as claimed in claim 1, wherein the grating is secured to the grating mounting plate by adhesive bonding.
7. A transmissive grating conditioner as claimed in claim 6, wherein the grating mounting plate is provided with a detachable grating auxiliary mounting plate, and the grating auxiliary mounting plate is located at the bottom of the grating.
8. A transmissive grating conditioner as claimed in claim 1, wherein a rotation adjusting shaft is provided between the pitch adjusting plate and the grating mounting plate, and the rotation adjusting shaft is horizontally disposed along the width direction of the pitch adjusting mount.
9. A transmissive grating conditioner as claimed in claim 8, wherein the pitch conditioner plate is fixed to the grating mounting plate by a connector.
10. A transmissive grating conditioner as claimed in any one of claims 1 to 9, wherein the tensioning screw is connected to the pitch conditioner plate through the auxiliary conditioner plate, and the first ball head jacking screw is connected to the pitch conditioner plate through the auxiliary conditioner plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011116335.1A CN112114412A (en) | 2020-10-19 | 2020-10-19 | Transmission type grating adjusting device |
Applications Claiming Priority (1)
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CN202011116335.1A CN112114412A (en) | 2020-10-19 | 2020-10-19 | Transmission type grating adjusting device |
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CN112114412A true CN112114412A (en) | 2020-12-22 |
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CN202011116335.1A Pending CN112114412A (en) | 2020-10-19 | 2020-10-19 | Transmission type grating adjusting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113703120A (en) * | 2021-09-06 | 2021-11-26 | 钢研纳克检测技术股份有限公司 | Back-to-back double-grating adjusting device and posture adjusting method |
-
2020
- 2020-10-19 CN CN202011116335.1A patent/CN112114412A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113703120A (en) * | 2021-09-06 | 2021-11-26 | 钢研纳克检测技术股份有限公司 | Back-to-back double-grating adjusting device and posture adjusting method |
CN113703120B (en) * | 2021-09-06 | 2024-01-30 | 钢研纳克检测技术股份有限公司 | Back-to-back double-grating adjusting device and posture adjusting method |
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