CN219284636U - Double-light-path centering car light axis adjusting device based on additional objective auto-collimator - Google Patents
Double-light-path centering car light axis adjusting device based on additional objective auto-collimator Download PDFInfo
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- CN219284636U CN219284636U CN202222546304.0U CN202222546304U CN219284636U CN 219284636 U CN219284636 U CN 219284636U CN 202222546304 U CN202222546304 U CN 202222546304U CN 219284636 U CN219284636 U CN 219284636U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses a double-light-path centering lathe light axis adjusting device based on an additional objective autocollimator, which comprises a front autocollimator system, a high-precision lathe, a lens adjusting mechanism, a rear autocollimator system, a control computer and a display, wherein the front autocollimator system consists of a photoelectric autocollimator, a lens translation adjusting mechanism, an inclination and horizontal angle adjusting mechanism, a guide rail module and an additional objective, the front autocollimator system is arranged on a support, and the center height of the front autocollimator system is consistent with the rotation axis of the lathe. The rear auto-collimation system consists of a photoelectric auto-collimator, a lens translation adjusting mechanism and an additional objective lens by adjusting an adjusting hand wheel on the lens translation mechanism. The rear auto-collimation system is arranged on the lathe slide rail through the adapter part, can move back and forth along the lathe slide rail and can be locked in position. By adjusting an adjusting hand wheel on the lens translation mechanism. The utility model has the advantages that: the lens has the advantages that the lens to be processed with different curvature radiuses is met, and the efficiency and the lens assembly precision are improved.
Description
Technical Field
The utility model relates to the technical field of precision machining of optical lenses, in particular to a double-light-path centering lathe light axis adjusting device based on an additional objective auto-collimator.
Background
In the field of precision machining and optical adjustment of infrared optical lenses, an assembly process called a centering car is often used for improving the imaging quality of the lenses. After the centering car process is adopted, the coaxiality of the optical axis of the lens and the mechanical axis of the mirror frame can be improved, and the perpendicularity of the optical axis of the lens and the structure mounting leaning surface can be improved, so that the imaging quality of the lens can be improved. As a key device photoelectric auto-collimator used in the centering car process, an internal focusing mode is used for finding the spherical center image of the lens, so that the focusing range is limited, and the curvature radius of the lens in an actual product cannot be met.
Disclosure of Invention
The utility model provides a double-light-path centering lathe light axis adjusting device based on an additional objective auto-collimator, which meets the different curvature radiuses of lenses to be processed and improves the efficiency and the lens assembly precision.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the double-light path centering lathe optical axis adjusting device based on the additional objective autocollimator comprises a front autocollimator system, a high-precision lathe, a lens adjusting mechanism, a rear autocollimator system, a control computer and a display, wherein the front autocollimator system comprises a first photoelectric autocollimator, a first lens translation adjusting mechanism, an inclination and horizontal angle adjusting mechanism, a guide rail module and an additional objective, the front autocollimator system is arranged on a support, the center height is consistent with a lathe rotation axis, the additional objective arranged on the mechanism can move in a plane perpendicular to the first optical axis of the photoelectric autocollimator through an adjusting hand wheel on the first lens translation adjusting mechanism, the movement range is +/-2 mm, the rear autocollimator system comprises a second photoelectric autocollimator, a second lens translation adjusting mechanism and an additional objective, the rear autocollimator system is arranged on a lathe slide rail through a transfer part, can move back and forth along the lathe slide rail and can be locked in position, and the additional objective arranged on the mechanism can move in the plane perpendicular to the second optical axis of the photoelectric autocollimator through an adjusting hand wheel on the second lens translation adjusting mechanism.
Furthermore, the front auto-collimation system can be adjusted in a pitching and horizontal rotation mode, and when cross images formed by the two auto-collimators aiming at the two auto-collimators are not overlapped, the two auto-collimators can be adjusted to be overlapped by rotating a knob on an adjusting seat.
Furthermore, the lens adjusting mechanism can adjust the inclination range of +/-1.5 degrees of the lens to be processed relative to the lathe rotation shaft and realize +/-2 mm of the lens optical axis relative to the lathe rotation shaft by adjusting the inclination and the translation.
Furthermore, the front of each auto-collimator is provided with an additional objective lens I, the additional objective lens I with different focal lengths is selected according to the curvature radius of the lens in the metal frame to be processed, and the front and back positions of the additional objective lens I are combined with the movement, so that after the cross dividing line of the auto-collimator is reflected by the lens to be processed, the spherical center image of the surface of the lens is clearly imaged on the ccd image plane through the auto-collimator.
Compared with the prior art, the utility model has the advantages that: according to the double-light-path centering lathe light axis adjusting device based on the additional objective autocollimator, the superposition of the optical axis of the autocollimator and the lathe rotation axis can be conveniently adjusted in a focusing mode of two autocollimators; the requirement of different curvature radiuses of the lens to be processed on the focal length of the auto-collimator is met by changing the additional objective lens and moving the position of the additional lens, so that the efficiency and the lens assembly precision are greatly improved.
Drawings
FIG. 1 is a schematic diagram of a dual-path centering car beam adjustment device based on an additional objective autocollimator according to the present utility model;
FIG. 2 is a cross-sectional image on a display of two photo-autocollimators of the present utility model aimed at;
fig. 3 is a schematic view of the optical axes of two autocollimators according to the present utility model.
As shown in the figure: 1. the device comprises a front auto-collimation system, a photoelectric auto-collimation system, a first lens translation adjusting mechanism, a first inclination and horizontal angle adjusting mechanism, a first guide rail module, a second guide rail module, a first additional objective lens, a second additional objective lens, a high-precision lathe, a third lens adjusting mechanism, a fourth lens adjusting mechanism, a rear auto-collimation system, a fourth photoelectric auto-collimation system, a fourth lens translation adjusting mechanism, a fourth lens, a fifth additional objective lens and a display.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
With reference to figures 1 to 3
The utility model provides a dual-light path centering car optical axis adjusting device based on additional objective autocollimator, includes preceding autocollimator system 1, high-accuracy lathe 2, lens guiding mechanism 3, back autocollimator system 4, controls computer and display 5, preceding autocollimator system 1 by photoelectric autocollimator first 1-1, lens translation guiding mechanism first 1-2, slope and horizontal angle guiding mechanism 1-3, guide rail module 1-4, additional objective first 1-5 is constituteed, preceding autocollimator system 1 installs on the support, central altitude is unanimous with the lathe rotation axis, through the adjusting hand wheel on lens translation guiding mechanism first 1-2, can let additional objective first 1-5 that installs on the mechanism move in perpendicular to photoelectric autocollimator first 1-1 optical axis plane, range of movement + -2 mm, back autocollimator system 4 comprises photoelectric autocollimator second 4-1, lens translation guiding mechanism second 4-2, additional two 4-3, back autocollimator system 4 can be along the slide rail back and forth through the adaptor part installation and can lock position locking mechanism second on the lathe, can let lens translation 2 in perpendicular to 2 on the optical axis of second lathe 2-4.
The front auto-collimation system 1 can be adjusted in a pitching and horizontal rotation mode, when cross images formed by the two auto-collimators are not overlapped, the cross images can be overlapped through adjustment of a knob on the rotary adjusting seat, the lens adjusting mechanism 3 can adjust the inclination range of a lens to be processed relative to a lathe rotary shaft by adjusting inclination and translation, the lens optical axis of the lens can be translated by +/-1.5 degrees relative to the lathe rotary shaft, additional objective lenses 1-5 are arranged in front of the two auto-collimators, the additional objective lenses 1-5 with different focal lengths are selected according to the curvature radiuses of the lenses in different metal frames to be processed, and the front and back positions of the additional objective lenses 1-5 are combined, so that after the cross dividing lines of the auto-collimator are reflected by the lens to be processed, the spherical center images of the lens surface are clearly imaged on the surface of the ccd.
a) And 2 autocollimators are arranged at two ends of the lathe, one autocollimator is arranged on a lathe slide rail and can move back and forth along the lathe slide rail, and the autocollimator is adjusted to ensure that the cross division and the lathe rotation shaft are overlapped.
b) The other auto-collimator is arranged on the adjusting support, and the adjustment is carried out through a knob to ensure that the cross partitions of the two auto-collimators coincide when aiming at each other.
c) The lens group to be processed is connected to the lens adjusting mechanism component, a proper additional objective lens is selected according to the curvature radius of the lens, the front and back positions of the additional objective lens are adjusted, and the two autocollimators can be enabled to image clearly.
d) And rotating the lens adjusting mechanism to observe the cross reticle in the computer display, adjusting an adjusting screw on the lens adjusting mechanism, and measuring the cross reticle runout in the computer display.
e) Repeating the step d) until the dividing run-out meets the technical requirement of the drawing of the product to be processed.
f) And the centering adjustment of the lens is finished, and the excircle and the end face can be processed according to the drawing requirements.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (4)
1. The utility model provides a two light path centering car optical axis adjusting device based on additional objective autocollimator, includes preceding autocollimation system (1), high-accuracy lathe (2), lens guiding mechanism (3), back autocollimation system (4), controls computer and display (5), its characterized in that: the front auto-collimation system (1) consists of a first photoelectric auto-collimation device (1-1), a first lens translation adjusting mechanism (1-2), a tilt and horizontal angle adjusting mechanism (1-3), a guide rail module (1-4) and a second additional objective lens (1-5), wherein the front auto-collimation system (1) is arranged on a support, the center height of the front auto-collimation system is consistent with a lathe rotating shaft, an additional objective lens (1-5) arranged on the first lens translation adjusting mechanism can move in a plane perpendicular to the optical axis of the first photoelectric auto-collimation device (1-1) within a range of +/-2 mm, the rear auto-collimation system (4) consists of a second photoelectric auto-collimation device (4-1), the second lens translation adjusting mechanism (4-2) and the second additional objective lens (4-3), the rear auto-collimation system (4) is arranged on a lathe sliding rail through a switching part, can move back and forth along the sliding rail and can be locked in position, and the second lens translation adjusting mechanism (4-2) can be arranged on the second lens translation adjusting mechanism (4-2) within a range of +/-2 mm.
2. The dual-path centering car beam adjustment device based on the additional objective auto-collimator of claim 1, wherein: the front auto-collimation system (1) can be adjusted in a pitching and horizontal rotation mode, and when cross images formed by the two auto-collimators aiming at each other are not overlapped, the two auto-collimators can be adjusted to be overlapped by rotating a knob on an adjusting seat.
3. The dual-path centering car beam adjustment device based on the additional objective auto-collimator of claim 1, wherein: the lens adjusting mechanism (3) can adjust the inclination range of +/-1.5 degrees of the lens to be processed relative to the lathe rotation shaft and translate the lens optical axis of +/-2 mm relative to the lathe rotation shaft by adjusting the inclination and the translation.
4. The dual-path centering car beam adjustment device based on the additional objective auto-collimator of claim 1, wherein: the front of two autocollimators is provided with an additional objective lens I (1-5), the additional objective lens I (1-5) with different focal lengths is selected according to the curvature radius of the lens in different metal frames to be processed, and the front and back positions of the additional objective lens I (1-5) are combined and moved, so that after the cross dividing line of the autocollimator is reflected by the lens to be processed, the spherical center image of the surface of the lens is clearly imaged on the surface of the ccd through the autocollimator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222546304.0U CN219284636U (en) | 2022-09-26 | 2022-09-26 | Double-light-path centering car light axis adjusting device based on additional objective auto-collimator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222546304.0U CN219284636U (en) | 2022-09-26 | 2022-09-26 | Double-light-path centering car light axis adjusting device based on additional objective auto-collimator |
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| Publication Number | Publication Date |
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| CN219284636U true CN219284636U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222546304.0U Active CN219284636U (en) | 2022-09-26 | 2022-09-26 | Double-light-path centering car light axis adjusting device based on additional objective auto-collimator |
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| CN (1) | CN219284636U (en) |
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2022
- 2022-09-26 CN CN202222546304.0U patent/CN219284636U/en active Active
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