CN111751949A - High-precision ball head optical adjusting device - Google Patents
High-precision ball head optical adjusting device Download PDFInfo
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- CN111751949A CN111751949A CN202010641319.8A CN202010641319A CN111751949A CN 111751949 A CN111751949 A CN 111751949A CN 202010641319 A CN202010641319 A CN 202010641319A CN 111751949 A CN111751949 A CN 111751949A
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- adjusting
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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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Abstract
The invention discloses a high-precision ball head optical adjusting device, relates to the technical field of aerospace, and solves the technical problems that an adjusting process is complex, the adjusting precision is influenced by the manual skill of an adjusting worker, and the adjusting precision is limited in a high-precision adjusting scheme in the prior art. The technical characteristics include a first fixing frame; a fine adjustment mechanism mounted on the first fixing frame; a coarse adjustment mechanism mounted on the fine adjustment mechanism; an optical device mounted on the coarse adjustment mechanism. The method has the advantages of high assembling and adjusting precision, simple assembling and adjusting process, high structural strength and high rigidity after assembling and adjusting, and the assembling and adjusting precision is not influenced by assembling and adjusting personnel and grinding level.
Description
Technical Field
The invention relates to the technical field of aerospace. In particular to the assembly and adjustment of a high-precision optical system or other high-precision systems, in particular to a high-precision ball head optical assembly and adjustment device.
Background
The high-precision ball head optical adjusting device is mainly applied to the adjustment of high-precision optical systems or other high-precision systems. The high-precision adjusting structure generally has a four-dimensional adjusting function of radial displacement adjustment and angle adjustment. The traditional adjusting structure is that the optical device 1 is installed on a device 14 to be adjusted, the adjusting radial displacement is adjusted by using set screws 16 uniformly distributed on the periphery, the adjusting angle is realized by grinding the dihedral angle of a trimming gasket 15 between the device 14 to be adjusted and a second fixing frame 17, and finally the displacement and the angle of the optical device are fixed by pressing a pressing ring 13. The decoupling is adjusted to angle modulation and displacement to traditional scheme, and the angle is adjusted again after the radial displacement is adjusted to earlier the installation in-process of adjusting, but radial displacement adjusts and often can influence angle modulation when grinding and finishing 15 wide-angle dihedral angles of gasket, does not realize the decoupling of angle modulation and displacement regulation completely promptly, and this kind of scheme all need dismantle optical device before the dihedral angle is maintained at every turn in the installation in-process of adjusting, leads to the installation and adjustment flow too complicated, installation and adjustment time overlength. In addition, the assembly precision of the traditional assembly scheme is influenced by the minimum grinding amount of the dihedral angle, and the actual assembly precision has a direct relation with the manual skill of assembly personnel. A typical mechanical structure of the conventional set-up scheme is shown in fig. 2.
Disclosure of Invention
The invention provides a high-precision ball head optical adjusting device, which aims to solve the technical problems that an adjusting process is complex, the adjusting precision is influenced by the manual skill of an adjusting worker and the adjusting precision is limited in a high-precision adjusting scheme in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows:
high accuracy bulb optics adjusting device includes:
a first fixing frame;
a fine adjustment mechanism mounted on the first fixing frame;
a coarse adjustment mechanism mounted on the fine adjustment mechanism;
an optical device mounted on the coarse adjustment mechanism.
Furthermore, the first fixing frame is of a hollow ladder structure, and a fine adjustment mechanism space for installing a fine adjustment mechanism is arranged in the first fixing frame;
wherein, four fine tuning threaded holes communicated with the fine tuning mechanism are uniformly distributed in the fine tuning mechanism space.
Further, the fine adjustment mechanism includes:
the fine adjustment ball recess is arranged in the fine adjustment mechanism space, and a fine adjustment radial adjustment groove is formed in the outer peripheral side of the fine adjustment ball recess;
the fine adjustment displacement screw is in threaded fit with the fine adjustment threaded hole and is attached to the fine adjustment radial adjustment groove;
the fine adjustment ball head is concentric with the fine adjustment ball recess, and the fine adjustment ball head and the fine adjustment ball recess are tightened and fixed through four fine adjustment angle screws uniformly distributed on the fine adjustment ball head;
the fine adjustment pressing ring is in space threaded fit with the fine adjustment mechanism;
wherein, still be equipped with the coarse adjustment mechanism space that is used for installing coarse adjustment mechanism on the fine tuning bulb, coarse adjustment mechanism space equipartition is equipped with four coarse adjustment screw holes with coarse adjustment mechanism intercommunication.
Further, the coarse adjustment mechanism includes:
the coarse adjustment ball recess is arranged in the coarse adjustment mechanism space, and a coarse adjustment radial adjustment groove is arranged on the outer peripheral side of the coarse adjustment ball recess;
a coarse adjustment displacement screw which is in threaded fit with the coarse adjustment threaded hole and is attached to the coarse adjustment radial adjustment groove;
the coarse adjustment ball head is concentric with the coarse adjustment ball socket, and the coarse adjustment ball head and the coarse adjustment ball socket are tightened and fixed through four coarse adjustment angle screws uniformly distributed on the coarse adjustment ball head;
a coarse adjustment pressing ring is in threaded fit with the coarse adjustment mechanism in space;
wherein, the optical device is fixedly connected with the coarse adjusting ball head.
Furthermore, a glue guide groove is arranged on the contact circumferential surface of the fine adjustment ball head and the fine adjustment ball recess.
A method for adjusting the optical axis direction of an optical device comprises the following steps:
firstly, adjusting the angle between a coarse adjustment ball head and a coarse adjustment ball recess by adjusting the tightness of four uniformly distributed coarse adjustment angle screws, further adjusting the optical axis direction of the optical device, adjusting the tightness of the coarse adjustment displacement screws to adjust the radial displacement of the optical device, and enabling the optical axis of the optical device to point to approximately the target direction and position by continuously adjusting the coarse adjustment angle screws and the coarse adjustment displacement screws;
secondly, a coarse adjustment pressing ring is used for pressing a coarse adjustment ball concave to ensure the rigidity and the strength after the coarse adjustment is finished;
and thirdly, finishing the angle adjustment of the optical device in the same fine adjustment process and the coarse adjustment process.
The invention has the following beneficial effects:
the high-precision ball head optical adjusting device provided by the invention realizes high-precision adjustment of an optical device by arranging the coarse adjusting mechanism and the fine adjusting mechanism and utilizing the principle that the spherical concave with equal radius and the ball head always surround the common circle center of the spherical concave and the ball head in the relative movement process, and the relative angle between the spherical concave and the ball head is changed by continuously adjusting screws around the ball head in the adjusting process of the device, so that the aim of high-precision adjustment is further fulfilled. Compared with the traditional optical assembling and adjusting device, the assembling and adjusting device has the advantages of high assembling and adjusting precision, simple assembling and adjusting process, high structural strength and rigidity after assembling and adjusting, and the like, and the assembling and adjusting precision is not influenced by assembling and adjusting personnel and grinding level; the technical problems that the high-precision assembling and adjusting scheme in the prior art is complex in assembling and adjusting process, assembling and adjusting precision is influenced by manual work of assembling and adjusting personnel, and assembling and adjusting precision is limited are solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic diagram of a conventional optical adjustment apparatus;
fig. 2 is a schematic structural diagram of the high-precision ball head optical adjustment device of the present invention.
The reference numerals in the figures denote:
1. an optical device; 2. roughly adjusting the ball head; 3. coarse adjustment of the spherical concave; 4. roughly adjusting a pressing ring; 5. a screw for coarse adjustment of the angle; 6. coarsely adjusting a displacement screw; 7. finely adjusting the ball head; 8. finely adjusting the spherical concave; 9. finely adjusting angle screws; 10. finely adjusting the pressing ring; 11. finely adjusting the displacement screw; 12. a first fixing frame; 13. pressing a ring; 14. a device to be regulated; 15. trimming the gasket; 16. tightening the screw; 17. a second fixing frame.
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, 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.
Referring to fig. 2, the high-precision ball optical adjustment apparatus includes:
a first fixing frame 12;
a fine adjustment mechanism mounted on the first fixing frame 12;
a coarse adjustment mechanism mounted on the fine adjustment mechanism;
an optical device 1 mounted on the coarse adjustment mechanism.
The first fixing frame 12 is a hollow ladder structure, and a fine adjustment mechanism space for installing a fine adjustment mechanism is arranged in the first fixing frame 12;
wherein, four fine tuning threaded holes communicated with the fine tuning mechanism are uniformly distributed in the fine tuning mechanism space.
The fine adjustment mechanism includes:
the fine adjustment spherical recess 8 is arranged in the fine adjustment mechanism space, and a fine adjustment radial adjustment groove is formed in the outer peripheral side of the fine adjustment spherical recess 8;
the fine adjustment displacement screw 11 is in threaded fit with the fine adjustment threaded hole and is attached to the fine adjustment radial adjustment groove;
the fine adjustment ball head 7 is concentric with the fine adjustment ball socket 8, and the fine adjustment ball head 7 and the fine adjustment ball socket 8 are tightened and fixed through four fine adjustment angle screws 9 uniformly distributed on the fine adjustment ball head 7;
the fine adjustment pressing ring 10 is matched with the fine adjustment mechanism through space threads;
wherein, fine tuning ball 7 is last still to be equipped with the coarse adjustment mechanism space that is used for installing coarse adjustment mechanism, coarse adjustment mechanism space equipartition is equipped with four coarse adjustment screw holes with coarse adjustment mechanism intercommunication.
The coarse adjustment mechanism includes:
the coarse adjustment spherical recess 3 is arranged in the coarse adjustment mechanism space, and a coarse adjustment radial adjustment groove is formed in the outer peripheral side of the coarse adjustment spherical recess 3;
a coarse adjustment displacement screw 6, wherein the coarse adjustment displacement screw 6 is in threaded fit with the coarse adjustment threaded hole and is attached to the coarse adjustment radial adjustment groove;
the coarse adjustment ball head 2, the coarse adjustment ball head 2 and the coarse adjustment ball socket 3 are concentric, and the coarse adjustment ball head 2 and the coarse adjustment ball socket 3 are tightened and fixed through four coarse adjustment angle screws 5 uniformly distributed on the coarse adjustment ball head 2;
a coarse adjustment pressing ring 4, wherein the coarse adjustment pressing ring 4 is in space threaded fit with a coarse adjustment mechanism;
wherein, the optical device 1 is fixedly connected with the coarse adjusting ball head 2.
The working principle is as follows: the fine adjustment mechanism is arranged on a first fixing frame 12, the coarse adjustment mechanism is arranged on a fine adjustment ball head, the optical axis direction of the optical device 1 is adjusted by adjusting the tightness of four uniformly distributed coarse adjustment angle screws 5 during coarse adjustment, the radial displacement of the optical device 1 is adjusted by adjusting the tightness of a coarse adjustment displacement screw 6, the optical axis direction of the optical device 1 is approximately directed to a target direction and position by continuously adjusting the coarse adjustment angle screws 5 and the coarse adjustment displacement screw 6, the coarse adjustment ball recess 3 is pressed by a coarse adjustment pressing ring 4 after the coarse adjustment is finished, and the rigidity and the strength after the installation and the adjustment are ensured; the fine tuning process is the same as the coarse tuning process: and meanwhile, the fine angle adjusting screw 9 and the fine displacement adjusting screw 11 are adjusted to enable the optical axis of the optical device 1 to point to the target direction and position accurately, and after the fine adjustment is finished, the fine adjustment ball socket 8 is pressed by the fine adjustment pressing ring 10, so that the relative displacement between the fine adjustment ball socket 8 and the first fixing frame 12 is avoided, and the adjustment is finished. The difference between the fine adjustment process and the coarse adjustment process is that the radius of the fine adjustment ball head 7 and the fine adjustment ball socket 8 is larger than that of the coarse adjustment ball head 2 and the coarse adjustment ball socket 3, the tensioning distance of the fine adjustment angle screw 9 is larger, and the bearing capacity and the adjustment precision are larger accordingly.
The angle between the rough adjusting ball head 2 and the rough adjusting ball socket 3 is adjusted through the rough adjusting angle screw 5, so that the optical axis direction of the optical device 1 is adjusted, and the radial direction of the rough adjusting ball socket 3 is adjusted by the acting force of the rough adjusting displacement screw 6 on the rough adjusting ball socket 3, so that the radial direction of the optical device 1 is adjusted; the adjustment principle of the fine angle adjustment screw 9 and the fine displacement adjustment screw 11 is identical to that of the coarse angle adjustment screw 5 and the coarse displacement adjustment screw 6.
Compared with the traditional optical assembling and adjusting device, the assembling and adjusting device has the advantages of high assembling and adjusting precision, simple assembling and adjusting process, high structural strength and rigidity after assembling and adjusting, and the like, and the assembling and adjusting precision is not influenced by assembling and adjusting personnel and grinding level; the technical problems that the high-precision assembling and adjusting scheme in the prior art is complex in assembling and adjusting process, assembling and adjusting precision is influenced by manual work of assembling and adjusting personnel, and assembling and adjusting precision is limited are solved.
And a glue guide groove is arranged on the contact circumferential surface of the fine adjustment ball head 7 and the fine adjustment ball recess 8.
This embodiment improves this high accuracy bulb optics adjusting device's structural strength and rigidity, and the fine tuning bulb 7 is last to reserve and to lead the gluey groove to utilize the glue gun to glue filling after the assembly and adjustment. In addition, during assembly and adjustment, the coarse adjustment angle screw 5, the coarse adjustment displacement screw 6, the coarse adjustment pressing ring 4, the fine adjustment angle screw 9, the fine adjustment displacement screw 11 and the fine adjustment pressing ring 10 need to be coated with thread anti-loosening glue, so that the strength, the rigidity and the stability of the high-precision ball head assembly and adjustment structure are further guaranteed.
A method for adjusting the optical axis direction of an optical device comprises the following steps:
firstly, adjusting the angle between a coarse adjustment ball head 2 and a coarse adjustment ball recess 3 by adjusting the tightness of four uniformly distributed coarse adjustment angle screws 5, further adjusting the optical axis direction of an optical device 1, adjusting the tightness of a coarse adjustment displacement screw 6 to adjust the radial displacement of the optical device 1, and enabling the optical axis direction of the optical device 1 to approximately point to a target direction and position by continuously adjusting the coarse adjustment angle screws 5 and the coarse adjustment displacement screws 6;
secondly, a coarse adjustment pressing ring 4 is used for pressing a coarse adjustment ball recess 3 to ensure the rigidity and strength after the coarse adjustment is finished;
and thirdly, simultaneously adjusting the fine angle adjusting screw 9 and the fine displacement adjusting screw 11 to enable the optical axis of the optical device 1 to point to the target direction and position accurately, and after the fine adjustment is finished, pressing the fine adjustment spherical recess 8 and the first fixing frame 12 by using the fine adjustment pressing ring 10 to prevent relative displacement, so that the adjustment is finished.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (6)
1. The utility model provides a high accuracy bulb optics adjusting device which characterized in that includes:
a first fixing frame (12);
a fine adjustment mechanism mounted on the first fixing frame (12);
the coarse adjustment mechanism is arranged on the fine adjustment mechanism;
and the optical device (1) is mounted on the coarse adjustment mechanism.
2. The high-precision ball head optical adjusting device according to claim 1, wherein the first fixing frame (12) is a hollow ladder structure, and a fine adjustment mechanism space for installing a fine adjustment mechanism is arranged in the first fixing frame (12);
and four fine adjustment threaded holes communicated with the fine adjustment mechanism are uniformly distributed in the fine adjustment mechanism space.
3. The high-precision ball head optical alignment device according to claim 2, wherein the fine adjustment mechanism comprises:
the fine adjustment ball socket (8), the fine adjustment ball socket (8) is placed in the fine adjustment mechanism space, and a fine adjustment radial adjustment groove is formed in the outer peripheral side of the fine adjustment ball socket (8);
the fine adjustment displacement screw (11), the fine adjustment displacement screw (11) is in threaded fit with the fine adjustment threaded hole and is attached to the fine adjustment radial adjustment groove;
the fine adjustment ball head (7), the fine adjustment ball head (7) and the fine adjustment ball recess (8) are concentric, and the fine adjustment ball head (7) and the fine adjustment ball recess (8) are tightened and fixed through four fine adjustment angle screws (9) uniformly distributed on the fine adjustment ball head (7);
the fine adjustment pressing ring (10), the fine adjustment pressing ring (10) is in space threaded fit with the fine adjustment mechanism;
the fine adjustment ball head (7) is further provided with a coarse adjustment mechanism space for mounting a coarse adjustment mechanism, and four coarse adjustment threaded holes communicated with the coarse adjustment mechanism are uniformly distributed in the coarse adjustment mechanism space.
4. The high-precision ball head optical adjustment device according to claim 3, wherein the coarse adjustment mechanism comprises:
the coarse adjustment spherical recess (3), the coarse adjustment spherical recess (3) is placed in the coarse adjustment mechanism space, and a coarse adjustment radial adjustment groove is formed in the outer peripheral side of the coarse adjustment spherical recess (3);
the coarse adjustment displacement screw (6) is in threaded fit with the coarse adjustment threaded hole and is attached to the coarse adjustment radial adjustment groove;
the coarse adjustment ball head (2) is concentric with the coarse adjustment ball socket (3), and the coarse adjustment ball head (2) and the coarse adjustment ball socket (3) are tightened and fixed through four coarse adjustment angle screws (5) uniformly distributed on the coarse adjustment ball head (2);
the coarse adjustment pressing ring (4) is in space threaded fit with the coarse adjustment mechanism;
the optical device (1) is fixedly connected with the coarse adjusting ball head (2).
5. A high-precision ball head optical adjusting device according to claim 3, characterized in that a glue guiding groove is arranged on the contact circumference of the fine adjusting ball head (7) and the fine adjusting ball recess (8).
6. A method for adjusting the optical axis direction of an optical device comprises the following steps:
firstly, adjusting the angle between a rough adjusting ball head (2) and a rough adjusting ball recess (3) by adjusting the tightness of four uniformly distributed rough adjusting angle screws (5), further adjusting the optical axis direction of an optical device (1), adjusting the tightness of a rough adjusting displacement screw (6) to adjust the radial displacement of the optical device (1), and enabling the optical axis direction of the optical device (1) to approximately point to a target direction and position by continuously adjusting the rough adjusting angle screws (5) and the rough adjusting displacement screw (6);
secondly, a coarse adjustment pressing ring (4) is used for pressing a coarse adjustment ball recess (3) to ensure the rigidity and strength after coarse adjustment;
and thirdly, simultaneously adjusting a fine angle adjusting screw (9) and a fine displacement adjusting screw (11) to enable the optical axis of the optical device (1) to point to the target direction and position accurately, and after the fine adjustment is finished, pressing a fine adjustment spherical recess (8) and the first fixing frame (12) by using a fine adjustment pressing ring (10) to prevent relative displacement, so that the adjustment is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010641319.8A CN111751949B (en) | 2020-07-06 | 2020-07-06 | High-precision ball head optical adjusting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010641319.8A CN111751949B (en) | 2020-07-06 | 2020-07-06 | High-precision ball head optical adjusting device |
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| CN111751949A true CN111751949A (en) | 2020-10-09 |
| CN111751949B CN111751949B (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088079A (en) * | 2021-11-29 | 2022-02-25 | 重庆集诚昌远科技有限公司 | Cavity adjusting mechanism of laser gyroscope |
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2020
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088079A (en) * | 2021-11-29 | 2022-02-25 | 重庆集诚昌远科技有限公司 | Cavity adjusting mechanism of laser gyroscope |
| CN114088079B (en) * | 2021-11-29 | 2023-02-24 | 重庆集诚昌远科技有限公司 | Cavity adjusting mechanism of laser gyroscope |
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| CN111751949B (en) | 2021-09-21 |
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