Adjusting device of optical lens and spliced large-diameter lens

Abstract

The invention provides an adjusting device of an optical lens and a spliced large-aperture lens, and belongs to the technical field of optical elements. The problems that in the prior art, adjustment of all freedom degrees is in an independent state, use and adjustment are not convenient, and stability is low are solved. The unit lens comprises a unit lens mounting seat which is connected to the back of a unit lens; the central cross shaft comprises a pitch axis and an azimuth axis, the pitch axis is connected with the unit mirror mounting seat, and the azimuth axis is connected with the azimuth axis adjusting seat; the plurality of adjusting assemblies are respectively arranged on the unit mirror mounting seat and the azimuth axis adjusting seat, and all the adjusting assemblies are correspondingly connected with each shaft of the central cross shaft. The device is mainly used for adjusting the relative positions of unit lenses.

Description

Technical Field

[0001] The invention belongs to the technical field of optical elements, and in particular relates to an adjustment device for an optical lens and a spliced ​​large-aperture lens. Background Art

[0002] Large-aperture optical lenses are mainly used in the optical field, such as deep space exploration, optical environment simulation, optical weapons, etc. Due to the large aperture of the lens, the size of the lens raw material cannot meet the demand, and the overall processing weight is increased, which is not convenient for installation and debugging. Therefore, large-aperture optical lenses are often spliced ​​from multiple unit lenses.

[0003] Large-aperture optical lenses composed of multiple unit lenses require multiple degrees of freedom adjustment. In the current existing solutions, the adjustment of each degree of freedom is in an independent state, which is not convenient for use and adjustment and has low stability.

[0004] In summary, an adjustment device for an optical lens and a spliced ​​large-aperture lens are proposed. Summary of the invention

[0005] In view of this, the present invention aims to provide an adjustment device for an optical lens and a spliced ​​large-aperture lens to solve the problem in the prior art that the adjustment of each degree of freedom is in an independent state, which is inconvenient to use and adjust and has low stability.

[0006] To achieve the above object, the present invention adopts the following technical solution. According to one aspect of the present invention, an adjustment device for an optical lens is provided, comprising: A unit mirror mounting seat, connected to the back of the unit lens; A central cross axis, including a pitch axis and an azimuth axis, wherein the pitch axis is connected to the unit mirror mounting seat, and the azimuth axis is connected to the azimuth axis adjustment seat; There are multiple adjustment components, which are respectively arranged on the unit mirror mounting seat and the azimuth axis adjustment seat, and all the adjustment components are correspondingly connected to each axis of the central cross axis.

[0007] Furthermore, a plurality of angle adjustment screws are connected to the azimuth axis adjustment seat, and threaded ends of the angle adjustment screws are connected to the unit mirror mounting seat.

[0008] Furthermore, the adjustment assembly includes an adjustment screw mounting seat and an adjustment screw, the adjustment screw is threadedly connected to the adjustment screw mounting seat, the adjustment screw mounting seat is fixed on the unit mirror mounting seat and the azimuth axis adjustment seat, and the adjustment screw is in contact with the central cross axis.

[0009] Furthermore, the adjusting screw mounting seat is arranged along the radial direction of the central cross axis, and the adjusting screw adjusts the position of the central cross axis along the radial direction of the central cross axis.

[0010] Furthermore, the adjusting screw mounting seat is arranged along the axial direction of the central cross axis, and the adjusting screw adjusts the position of the central cross axis along the axial direction of the central cross axis.

[0011] Furthermore, a rolling adjustment base for adjusting the rolling direction is provided on the side of the azimuth axis adjustment seat away from the unit lens.

[0012] Furthermore, the roll adjustment base cooperates with the shaft hole of the azimuth axis adjustment base, and an arc hole is provided on the roll adjustment base, and the arc hole is coupled with a screw correspondingly provided on the azimuth axis adjustment base.

[0013] Furthermore, the unit lens is connected to the axial hole of the unit lens mounting seat.

[0014] Furthermore, the central cross axis is connected to the azimuth axis adjustment seat and the unit mirror mounting seat via an axis hole.

[0015] According to another aspect of the present invention, there is provided a spliced ​​large-diameter lens, using an optical lens adjustment device, wherein a plurality of unit lenses are laid on a base through the optical lens adjustment device.

[0016] Beneficial effects: 1. By adjusting the assembly, the position of the central cross axis relative to the azimuth axis adjustment seat and the unit mirror mounting seat is adjusted, so as to more stably adjust the relative position of the unit lens, including relative displacement and relative angle.

[0017] By adjusting the relative position of the angle adjustment screw and the azimuth adjustment seat, the relative angle of the unit lens can be adjusted more stably and conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings: Figure 1 This is a schematic diagram of the structure of the integral connection unit lens of the optical lens adjustment device of the present invention; Figure 2 It is a structural schematic diagram of one side of an adjustment device for an optical lens according to the present invention; Figure 3 It is a structural schematic diagram of the other side of the adjustment device of an optical lens according to the present invention; Figure 4 A cross-sectional view of a lateral displacement adjustment structure of an adjustment device for an optical lens according to the present invention; Figure 5 A cross-sectional view of the longitudinal displacement adjustment structure of an adjustment device for an optical lens according to the present invention; Figure 6 It is a structural schematic diagram of a plane mirror with spliced ​​large-aperture lenses according to the present invention; Figure 7 This is a schematic structural diagram of a spliced ​​large-aperture lens without a base according to the present invention; Figure 8 It is a structural schematic diagram of a curved mirror of a spliced ​​large-aperture lens according to the present invention; Fig. 9 This is a schematic structural diagram of a curved mirror of a spliced ​​large-aperture lens described in the present invention without a base.

[0019] In the figure: roll adjustment base 1; angle adjustment screw 2; locking nut 3; azimuth axis adjustment seat 4; longitudinal displacement adjustment screw 5; cross axis locking block 6; unit lens 7; unit mirror mounting seat 8; center cross axis 9; adjustment screw mounting seat 10; lateral displacement adjustment screw 11; unit mirror connecting screw 12; base 13. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely explain the technical solutions in the embodiments of the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict, and the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0021] It should be noted that the descriptions of the present invention regarding directions such as "left", "right", "left side", "right side", "upper", "lower", "top", and "bottom" are all defined based on the relationship between the orientations or positions shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure must be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. In the description of the present invention, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0022] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Specific implementation method one: Referring to the accompanying drawings, this embodiment is described, which provides an adjustment device for an optical lens, comprising: A unit mirror mounting seat 8 is connected to the back side of the unit lens 7; The central cross axis 9 includes a pitch axis and an azimuth axis, wherein the pitch axis is connected to the unit mirror mounting seat 8, and the azimuth axis is connected to the azimuth axis adjustment seat 4; There are multiple adjustment components, which are respectively arranged on the unit mirror mounting seat 8 and the azimuth axis adjustment seat 4, and all the adjustment components are correspondingly connected to each axis of the central cross axis 9.

[0024] The back side of the unit lens 7 is connected to the unit mirror mounting seat 8 by means of an axial hole fit and is fixed by means of a unit mirror connecting screw 12. The relative position of the center cross axis 9 relative to the unit mirror mounting seat 8 and the relative position of the center cross axis 9 relative to the azimuth axis adjustment seat 4 are adjusted by means of an adjustment component. The adjustment component is arranged at a plurality of different positions of the unit mirror mounting seat 8 and the azimuth axis adjustment seat 4 to change the relative position of the unit mirror mounting seat 8 and the azimuth axis adjustment seat 4, and the relative position includes a relative displacement and a relative angle.

[0025] In this embodiment, a plurality of angle adjustment screws 2 are connected to the azimuth axis adjustment seat 4 , and threaded ends of the angle adjustment screws 2 are connected to the unit mirror mounting seat 8 .

[0026] Preferably, four angle adjustment screws 2 are provided, evenly distributed on the azimuth axis adjustment seat 4, the angle adjustment screws 2 and the azimuth axis adjustment seat 4 are threadedly matched, and the end face of the angle adjustment screw 2 contacts the rear end face of the unit lens mounting seat 8. The locking nut 3 is used to lock the angle adjustment screw 2. The screwing length of the four angle adjustment screws 2 and the azimuth axis adjustment seat 4 is adjusted, so that the angle adjustment screws 2 push the unit lens mounting seat 8 to rotate around the azimuth axis of the central cross axis 9, thereby realizing the azimuth angle adjustment of the unit lens 7.

[0027] In this embodiment, the adjustment assembly includes an adjustment screw mounting seat 10 and an adjustment screw, the adjustment screw is threadedly connected to the adjustment screw mounting seat 10, the adjustment screw mounting seat 10 is fixed on the unit mirror mounting seat 8 and the azimuth axis adjustment seat 4, and the adjustment screw is in contact with the center cross axis 9.

[0028] The adjustment screws include a longitudinal displacement adjustment screw 5 and a lateral displacement adjustment screw 11. The longitudinal displacement adjustment screw 5 is in contact with the shaft rod of the center cross axis 9 correspondingly connected to the azimuth axis adjustment seat 4, and the lateral displacement adjustment screw 11 is in contact with the shaft rod of the center cross axis 9 correspondingly connected to the unit mirror mounting seat 8. The relative position of the unit mirror mounting seat 8 and the azimuth axis adjustment seat 4, that is, the relative position of the unit lens 7 relative to the azimuth axis adjustment seat 4, is adjusted by the longitudinal displacement adjustment screw 5 and the lateral displacement adjustment screw 11.

[0029] In this embodiment, the adjusting screw mounting seat 10 is arranged along the axial direction of the central cross axis 9 , and the adjusting screw adjusts the position of the central cross axis 9 along the axial direction of the central cross axis 9 .

[0030] The adjusting screw mounting seat 10 is fixed on the end faces of the azimuth axis adjusting seat 4 and the unit mirror mounting seat 8 along the axis of the central cross axis 9. The adjusting screw is threadedly connected to the adjusting screw mounting seat 10, and the adjusting screw is moved along the axis direction of the adjusting screw by rotating the central cross axis 9.

[0031] In this embodiment, a roll adjustment base 1 for adjusting the roll direction is provided on the side of the azimuth axis adjustment seat 4 away from the unit lens 7 .

[0032] The roll adjustment base 1 is used to be connected to the base 13 .

[0033] In this embodiment, the roll adjustment base 1 cooperates with the shaft hole of the azimuth axis adjustment base 4 , and an arc hole is provided on the roll adjustment base 1 , and the arc hole is coupled with a corresponding screw provided on the azimuth axis adjustment base 4 .

[0034] A screw passes through the arc hole provided on the roll adjustment base 1, and the screw is threadedly connected to the azimuth axis adjustment base 4. By loosening the screw, the azimuth axis adjustment base 4 can rotate relative to the roll adjustment base 1, thereby adjusting the angle of the unit lens 7 relative to the roll adjustment base 1.

[0035] In this embodiment, the unit lens 7 is connected to the unit lens mounting seat 8 through an axial hole.

[0036] In this embodiment, the central cross axis 9 is connected to the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8 by shaft holes. In order to facilitate the debugging of the position of the central cross axis 9 relative to the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8, a cross axis locking block 6 is provided at the connection, and the cross axis locking block 6 is connected to the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8 by screws. When the screws are tightened, the central cross axis 9 is used to fix the position of the azimuth axis adjustment seat 4 and the central cross axis 9 and the unit mirror mounting seat 8. When the screws are loosened, the position of the central cross axis 9 relative to the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8 can be adjusted by adjusting the adjustment screws provided on the screw mounting seat 10.

[0037] Working principle: Loosen the screws fixed between the cross-axis locking block 6 and the azimuth axis adjustment seat 4, adjust the screwing length of the four angle adjustment screws 2 and the azimuth axis adjustment seat 4, so that the angle adjustment screws 2 push the unit mirror mounting seat 8 to rotate around the azimuth axis of the central cross axis 9, and achieve the azimuth angle adjustment of the unit lens 7. Adjust the screwing length of the longitudinal displacement adjustment screws 5 and the adjustment screw mounting seat 10, so that the longitudinal displacement adjustment screws 5 push the central cross axis 9 to move longitudinally, and achieve the longitudinal position adjustment of the unit lens 7; Loosen the screws fixed between the cross-axis locking block 6 and the unit mirror mounting seat 8, adjust the screwing length of the four angle adjustment screws 2 and the azimuth axis adjustment seat 4, so that the angle adjustment screw 2 pushes the unit mirror mounting seat 8 to rotate around the pitch axis of the central cross axis 9, and the pitch angle adjustment of the unit lens 7 is achieved. Adjust the screwing length of the lateral displacement adjustment screw 11 and the adjustment screw mounting seat 10, so that the longitudinal displacement adjustment screw 5 pushes the central cross axis 9 to move horizontally, and the lateral position adjustment of the unit lens 7 is achieved; after the debugging is completed, tighten and fix the screws between the cross-axis locking block 6 and the unit mirror mounting seat 8, and the cross-axis locking block 6 and the unit mirror mounting seat 8. Lock the angle adjustment screw with the locking nut 3. The azimuth axis adjustment seat 4 and the roll adjustment base 1 are matched with the shaft hole, and the screw fixing position adopts the method of arc hole matching the threaded hole, and the arc hole is used to adapt to the adjustment amount of the roll of the azimuth axis adjustment seat 4 and the roll adjustment base 1. Specific implementation method 2: The difference between this specific implementation and the first specific implementation is only that: In this embodiment, the adjusting screw mounting seat 10 is arranged along the radial direction of the central cross axis 9, and the adjusting screw adjusts the position of the central cross axis 9 along the radial direction of the central cross axis 9. The adjusting screw mounting seat 10 is fixed on the radial side of the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8 along the radial direction of the central cross axis 9, and the central cross axis 9 is pushed to move in the radial direction by the adjusting screw, so that the central cross axis 9 can be adjusted to move in different directions, that is, the relative position of the azimuth axis adjustment seat 4 and the unit mirror mounting seat 8 is adjusted.

[0039] According to another aspect of the present invention, a spliced ​​large-aperture lens is provided, using an optical lens adjustment device, and a plurality of unit lenses 7 are laid on a base 13 through the optical lens adjustment device.

[0040] If the large-diameter optical lens to be spliced ​​is a plane mirror, the rolling adjustment base 1 is of the same size; If the large-diameter optical lens to be spliced ​​is a curved surface, the rolling adjustment base 1 is processed and debugged at different heights at different positions.

[0041] The embodiments of the present invention disclosed above are only used to help illustrate the present invention. The embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. According to the content of this specification, many modifications and changes can be made. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well.

Claims

1. An adjustment device for an optical lens, characterized in that: include: A unit mirror mounting seat (8) connected to the back side of the unit lens (7); A central cross axis (9) comprises a pitch axis and an azimuth axis, the pitch axis being connected to the unit mirror mounting seat (8), and the azimuth axis being connected to the azimuth axis adjustment seat (4); A plurality of adjustment components are provided and are respectively arranged on the unit mirror mounting seat (8) and the azimuth axis adjustment seat (4), and all of the adjustment components are correspondingly connected to each axis of the central cross axis (9).

2. An adjustment device for an optical lens according to claim 1, characterized in that: A plurality of angle adjustment screws (2) are connected to the azimuth axis adjustment seat (4), and threaded ends of the angle adjustment screws (2) are connected to the unit mirror mounting seat (8).

3. The optical lens adjustment device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment screw mounting seat (10) and an adjustment screw, the adjustment screw being threadedly connected to the adjustment screw mounting seat (10), the adjustment screw mounting seat (10) being fixed on the unit mirror mounting seat (8) and the azimuth axis adjustment seat (4), and the adjustment screw being in contact with the central cross axis (9).

4. The optical lens adjustment device according to claim 3, characterized in that: The adjusting screw mounting seat (10) is arranged along the radial direction of the central cross axis (9), and the adjusting screw adjusts the position of the central cross axis (9) along the radial direction of the central cross axis (9).

5. The optical lens adjustment device according to claim 3, characterized in that: The adjusting screw mounting seat (10) is arranged along the axial direction of the central cross axis (9), and the adjusting screw adjusts the position of the central cross axis (9) along the axial direction of the central cross axis (9).

6. The optical lens adjustment device according to claim 1, characterized in that: A rolling adjustment base (1) for adjusting the rolling direction is provided on the side of the azimuth axis adjustment seat (4) away from the unit lens (7).

7. The optical lens adjustment device according to claim 6, characterized in that: The roll adjustment base (1) cooperates with the shaft hole of the azimuth axis adjustment base (4); an arc hole is provided on the roll adjustment base (1); and the arc hole is coupled with a corresponding screw provided on the azimuth axis adjustment base (4).

8. The optical lens adjustment device according to claim 1, characterized in that: The unit lens (7) is connected to the axial hole of the unit lens mounting seat (8).

9. The optical lens adjustment device according to claim 1, characterized in that: The central cross axis (9) is connected to the azimuth axis adjustment seat (4) and the unit mirror mounting seat (8) via an axis hole.

10. A spliced ​​large-diameter lens, using an optical lens adjustment device as claimed in any one of claims 1 to 8, characterized in that: The plurality of unit lenses (7) are laid on the base (13) via an optical lens adjustment device.

Images