CN211180356U

CN211180356U - Lens eccentric debugging device

Info

Publication number: CN211180356U
Application number: CN202020133718.9U
Authority: CN
Inventors: 王挺; 江琪
Original assignee: Zhejiang Crystal Optech Co Ltd
Current assignee: Zhejiang Crystal Optech Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-08-04
Anticipated expiration: 2030-01-20

Abstract

The utility model provides a lens core-shifting debugging device, which relates to the technical field of lens optical performance debugging and is applied to a lens cone and a lens positioned in the lens cone, and comprises a fixing component and a core-shifting debugging component; the fixing component is used for fixing the lens cone; the core deviation debugging component comprises an installation debugging part and a clamping part; the clamping part is arranged on the installation and debugging part and is configured to pass through a hollow area arranged on the cylinder wall of the lens cone to clamp the lens under the working condition that the lens cone is fixed on the fixing component; the installation and debugging part is configured to be capable of adjusting the position of the clamping part relative to the fixing component in a plane perpendicular to the extending direction of the lens barrel so as to adjust the eccentric state of the lens under the working condition that the lens is clamped in the clamping part. The utility model discloses it adjusts the debugging degree of difficulty height that exists, the debugging precision is low, the efficient technical problem of debugging through the mode of twisting three pieces of jackscrews of dress on the lens cone to the position of target lens among the prior art to have alleviated.

Description

Lens eccentric debugging device

Technical Field

The utility model belongs to the technical field of the debugging technique of camera lens optical property and specifically relates to a camera lens eccentric core debugging device is related to.

Background

The lens assembly as an imaging element plays an important role in the performance of optical instruments such as a projection optical machine in a projection system, and therefore, the lens assembly has high requirements on the processing and assembling precision of lens parts. In order to ensure that the definition of a projected image of a lens assembly meets the standard requirement, the lens is required to be completely fixed on the lens barrel after the eccentric state of the lens is adjusted, at present, the position of a target lens is adjusted by screwing three jackscrews on the lens barrel, the method has great uncertainty in the adjustment of the position of the lens, great influence is exerted on the judgment of debugging direction and the debugging efficiency, and at least the technical problems of high debugging difficulty, low debugging precision and low debugging efficiency exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera lens eccentric core debugging device to alleviate among the prior art through twist the mode of adorning three pieces of jackscrews and adjust the debugging degree of difficulty height, the debugging precision is low, the debugging inefficiency technical problem that exist to the position of target lens on the lens cone.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

a first aspect of an embodiment of the present invention provides a lens misalignment debugging device, which is applied to a lens assembly, where the lens assembly includes a lens barrel and a lens located in the lens barrel; the lens core-shifting debugging device comprises a fixing component and a core-shifting debugging component;

the fixing component is used for fixing the lens barrel;

the core-shifting debugging component comprises an installation debugging part and a clamping part; the clamping part is arranged on the installation and debugging part and is configured to clamp the lens through a hollow area arranged on the cylinder wall of the lens barrel under the working condition that the lens barrel is fixed on the fixing component; the installation and debugging part is configured to be capable of adjusting the position of the clamping part relative to the fixing component in a plane perpendicular to the extending direction of the lens barrel so as to adjust the core offset state of the lens under the working condition that the lens is clamped in the clamping part.

With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where the fixing assembly includes a fixing frame, a first push rod, and a second push rod;

one end of the first ejector rod is fixedly connected to the fixed frame, the other end of the first ejector rod is configured to be capable of abutting against the outer side wall of the lens cone, one end of the second ejector rod is connected to the fixed frame through a telescopic structure, and the telescopic structure is configured to be capable of driving the second ejector rod to stretch and retract so that the other end of the second ejector rod abuts against or is far away from the outer side wall of the lens cone to cooperate with the first ejector rod to clamp or release the lens cone; the installation and debugging part is fixedly connected with the fixed frame.

In combination with the first possible implementation manner of the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, the fixing frame is formed into a U shape, the lens barrel is located in a U-shaped space surrounded by the fixing frame, the first ejector rod and the second ejector rod are respectively disposed at two ends of the fixing frame toward the side inside the U-shaped space, and the extending direction of the first ejector rod and the extending direction of the second ejector rod are collinear.

Combine the first or second possible implementation mode of first aspect, the embodiment of the utility model provides a third possible implementation mode of first aspect, fixed subassembly still includes first briquetting and second briquetting, first briquetting connect in deviating from of first ejector pin the one end of mount, the second briquetting connect in deviating from of second ejector pin the one end of mount, just deviate from of first briquetting one side of mount with the deviating from of second briquetting one side of mount all form with the lateral wall assorted cambered surface of lens cone.

With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the installation and debugging portion includes a mobile platform and an installation portion; the movable platform is arranged on the fixed component through the mounting part, and the clamping part is arranged on the movable platform; the moving platform is configured to drive the clamping part to move relative to the fixing component in a plane perpendicular to the extending direction of the lens barrel.

With reference to the fourth possible implementation manner of the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the clamping portion includes an adjusting frame and a plurality of adjusting rods, the adjusting frame is formed to have an arc-shaped or annular structure that can surround an enclosure space of the lens barrel, the plurality of adjusting rods are uniformly installed on the adjusting frame, and each of the plurality of adjusting rods extends toward an inside of the enclosure space to clamp the lens; the adjusting frame is installed on the moving platform.

With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, and the adjusting rods are all mounted on the adjusting rack in a manner of being capable of extending and retracting towards or away from the surrounding space, so as to be used for clamping or releasing the lens.

Combine the sixth possible implementation mode of first aspect, the embodiment of the utility model provides a seventh possible implementation mode of first aspect, it is a plurality of adjust the pole one-to-one and install in setting up in a plurality of debugging holes on the alignment jig, each the outside in debugging hole all is provided with adjusts the pole base, adjust pole telescopic connection in corresponding adjust on the pole base.

With reference to one of the fourth to the seventh possible implementation manners of the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where the moving platform includes a first moving platform and a second moving platform, and the first moving platform and the second moving platform are configured to be able to drive the clamping portion to move in two mutually perpendicular directions in a plane perpendicular to an extending direction of the lens barrel relative to the fixing assembly.

With reference to the fourth aspect or one of the seventh possible implementation manners of the first aspect, an embodiment of the present invention provides a ninth possible implementation manner of the first aspect, where the mounting portion includes a connecting rod, a first fixing block, a second fixing block, and a mounting seat;

the first fixing block is connected to the fixing component through a connecting piece so as to press and fix one end of the connecting rod between the first fixing block and the fixing component; the second fixing block is connected to the mounting seat through a connecting piece so as to press and fix the other end of the connecting rod between the second fixing block and the mounting seat; the mobile platform is fixed on the mounting seat.

The embodiment of the utility model provides a can realize following beneficial effect:

the embodiment of the utility model provides a lens eccentric debugging device, this lens eccentric debugging device is applied to the lens subassembly, wherein, the lens subassembly includes lens-barrel and the lens that is located the lens-barrel, the lens eccentric debugging device includes fixed subassembly and eccentric debugging subassembly; the fixing component is used for fixing the lens cone; the core deviation debugging component comprises an installation debugging part and a clamping part; the clamping part is arranged on the installation and debugging part and is configured to pass through a hollow area arranged on the cylinder wall of the lens cone to clamp the lens under the working condition that the lens cone is fixed on the fixing component; the installation and debugging part is configured to be capable of adjusting the position of the clamping part relative to the fixing component in a plane perpendicular to the extending direction of the lens barrel so as to adjust the eccentric state of the lens under the working condition that the lens is clamped in the clamping part.

The embodiment of the utility model provides a lens eccentric debugging device is applied to the lens subassembly, especially can be applied to the lens subassembly of installing on the projection ray apparatus, in use, fix the lens cone of lens subassembly in fixed subassembly, the clamping part passes the regional centre gripping lens of fretwork that sets up on the section of thick bamboo wall of lens cone, the projection ray apparatus projects light to the lens subassembly along the extending direction of lens cone, then adjust installation debugging portion with reference to the projection image, in order to adjust the position of clamping part relative to fixed subassembly in the plane of the extending direction of perpendicular to lens cone, namely adjust the position of clamping part in the plane of the light path of perpendicular to projection ray apparatus, and then adjust the eccentric state of lens, until the definition of projection image satisfies the standard requirement, after debugging finish, fix the lens on the lens cone completely; of course, the embodiment of the utility model provides a camera lens eccentric core debugging device can also be applied to other camera lens subassemblies, throws light to the camera lens subassembly with the help of projection ray apparatus or other light source equipment along the extending direction of lens cone to reach camera lens eccentric core debugging purpose. The lens barrel can be fixed by the fixing component in the above mode, the clamping part can be adjusted by the installation and debugging part, and then the position of the lens relative to the lens barrel in a plane perpendicular to the extending direction of the lens barrel can be adjusted.

To sum up, the embodiment of the utility model provides an it adjusts the debugging degree of difficulty height that exists, the debugging precision is low, the debugging inefficiency to have alleviated the mode of adorning three pieces of jackscrews through twisting on the lens cone among the prior art.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a lens misalignment debugging device according to an embodiment of the present invention;

fig. 2 is a bottom view of the lens misalignment debugging device provided in the embodiment of the present invention;

fig. 3 is a schematic view of an overall structure of a lens misalignment debugging apparatus according to an embodiment of the present invention, installed at a first viewing angle of a projection optical machine;

fig. 4 is a schematic view of an overall structure of a lens misalignment debugging device installed at a second viewing angle of a projection optical machine according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of the whole structure of the lens core-shifting debugging device installed in the projection optical machine provided by the embodiment of the present invention.

Icon: 1-a projection light machine; 21-a lens barrel; 22-a lens; 3-a fixing component; 31-a fixing frame; 32-a first ejector rod; 33-a second ejector rod; 34-a telescopic structure; 35-a first briquette; 36-second briquetting; 4-core-shift debugging component; 41-installing and debugging part; 40-a mounting portion; 401-connecting rod; 402-first fixed block; 403-second fixed block; 404-a mounting seat; 411-a mobile platform; 4111-a first mobile platform; 4112-a second mobile platform; 42-a clamping portion; 421-an adjusting frame; 422-adjusting rod; 423-adjusting lever base.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides an eccentric lens adjusting device, referring to fig. 1 and fig. 2, and with reference to fig. 3 to fig. 5, the eccentric lens adjusting device is applied to a lens assembly, the lens assembly includes a lens barrel 21 and a lens 22 located in the lens barrel 21, and the eccentric lens adjusting device includes a fixing assembly 3 and an eccentric adjusting assembly 4.

Specifically, the fixing member 3 is used to fix the lens barrel 21. The eccentric debugging component 4 comprises an installation debugging part 41 and a clamping part 42; the clamping portion 42 is installed on the installation and debugging portion 41, and the clamping portion 42 is configured to clamp the lens 22 through the hollow area arranged on the cylinder wall of the lens barrel 21 under the condition that the lens barrel 21 is fixed on the fixing component 3; the fitting and adjusting portion 41 is configured to be able to adjust the position of the holding portion 42 relative to the fixing member 3 in a plane perpendicular to the extending direction of the lens barrel 21, so as to adjust the decentering state of the lens 22 under the condition that the lens 22 is held by the holding portion 42.

As shown in fig. 3 to 5, the lens misalignment debugging device provided in this embodiment is applied to a lens assembly, especially to a lens assembly installed on a projection optical engine 1, when in use, a lens barrel 21 of the lens assembly is fixed to a fixing assembly 3, a clamping portion 42 clamps a lens 22 through a hollow area arranged on a barrel wall of the lens barrel 21, the projection optical engine 1 projects light to the lens assembly along an extending direction of the lens barrel 21, and then the installation and debugging portion 41 is adjusted with reference to a projected image to adjust a position of the clamping portion 42 relative to the fixing assembly 3 in a plane perpendicular to the extending direction of the lens barrel 21, that is, a position of the clamping portion 42 in a plane perpendicular to an optical path of the projection optical engine 1, so as to adjust a misalignment state of the lens 22 until definition of the projected image meets a standard requirement, and after debugging, the lens 22 is completely fixed to the lens barrel; of course, the lens eccentricity adjusting device provided in this embodiment may also be applied to other lens assemblies, and light is projected to the lens assembly along the extending direction of the lens barrel 21 by the projection light machine 1 or other light source devices, so as to achieve the purpose of adjusting the lens eccentricity. In the above manner, the fixing assembly 3 can fix the lens barrel 21, the mounting and adjusting portion 41 can adjust the clamping portion 42, and further adjust the position of the lens 22 relative to the lens barrel 21 in a plane perpendicular to the extending direction of the lens barrel 21, the adjusting process is simple and reliable, the requirement of high-precision lens decentration adjustment can be met in a short time, and the optical performance of an optical instrument using the lens assembly, such as a projection optical machine, is improved.

In conclusion, the present embodiment alleviates the technical problems of high debugging difficulty, low debugging precision and low debugging efficiency in adjusting the position of the target lens by screwing three jackscrews on the lens barrel 21 in the prior art.

In this embodiment, the specific structural form of the fixing component 3 has various forms, for example, a combination structure of a clip and a fastener capable of closing the clip is adopted as the fixing component 3 to fix the lens barrel 21, and with continued reference to fig. 1 and fig. 2, in various alternative embodiments of the fixing component 3 of this embodiment, it is preferable that the fixing component 3 includes a fixing frame 31, a first push rod 32 and a second push rod 33. One end of the first push rod 32 is fixedly connected to the fixed frame 31, the other end of the first push rod 32 is configured to be capable of abutting against the outer side wall of the lens barrel 21, one end of the second push rod 33 is connected to the fixed frame 31 through the telescopic structure 34, and the telescopic structure 34 is configured to be capable of driving the second push rod 33 to be telescopic so that the other end of the second push rod 33 abuts against or is far away from the outer side wall of the lens barrel 21 to cooperate with the first push rod 32 to clamp or release the lens barrel 21; the mounting and adjusting portion 41 is fixedly connected to the fixing frame 31. The telescopic structure 34 may be an electric push rod structure, an air cylinder structure, or a screw slider mechanism that is adjusted manually. The structure is simple to operate, the second push rod 33 can extend out through the telescopic structure 34 to stably clamp the lens barrel 21, the relative position between the fixing component 3 and the lens barrel 21 is ensured to be fixed, the operation is simple and quick when the lens barrel 21 needs to be released, and only the second push rod 33 needs to be retracted through the telescopic structure 34.

In addition to the preferred embodiment described above, it is further preferred that mount 31 is formed in a U-shape, lens barrel 21 is located in a U-shaped space surrounded by mount 31, first lift bar 32 and second lift bar 33 are respectively provided on side surfaces of both ends of mount 31 facing the inside of the U-shaped space, and the extending direction of first lift bar 32 and the extending direction of second lift bar 33 are collinear. Therefore, the first top rod 32 and the second top rod 33 can be arranged oppositely, pressure is applied to two opposite sides of the lens barrel 21 when the lens barrel 21 is clamped, and the clamping stability is further improved.

In addition, with continuing to refer to fig. 1 and fig. 2, with reference to fig. 3 to fig. 5, in the above preferred embodiment or the further preferred embodiment thereof, further, the fixing assembly 3 may further include a first pressing block 35 and a second pressing block 36, the first pressing block 35 is connected to an end of the first push rod 32 away from the fixing frame 31, the second pressing block 36 is connected to an end of the second push rod 33 away from the fixing frame 31, and a side of the first pressing block 35 away from the fixing frame 31 and a side of the second pressing block 36 away from the fixing frame 31 are both formed as arc surfaces matched with an outer side wall of the lens barrel 21, so that contact areas between the first push rod 32 and the second push rod 33 and an outer side surface of the lens barrel 21 can be correspondingly increased through the first pressing block 35 and the second pressing block 36, and stability of the fixing assembly 3 in clamping the lens barrel 21 is further improved.

In addition, with continuing reference to fig. 1 and fig. 2, in conjunction with fig. 3 to fig. 5, in an alternative embodiment of the present embodiment, it is preferable that the installation and debugging portion 41 includes a moving platform 411 and an installation portion 40; the movable platform 411 is arranged on the fixed component 3 through the installation part 40, and the clamping part 42 is arranged on the movable platform 411; the moving platform 411 is configured to be able to drive the holding portion 42 to move relative to the fixed component 3 in a plane perpendicular to the extending direction of the lens barrel 21.

With continued reference to fig. 1 and 2, in conjunction with fig. 3 to 5, on the basis of the above preferred embodiment, it is further preferred that the holding portion 42 includes an adjusting frame 421 and a plurality of adjusting rods 422, the adjusting frame 421 is formed into an arc-shaped or ring-shaped structure having an enclosure space capable of enclosing the lens barrel 21, the plurality of adjusting rods 422 are uniformly mounted on the adjusting frame, and the plurality of adjusting rods 422 each extend toward the inside of the enclosure space to hold the lens 22; the adjusting frame 421 is mounted on the moving platform 411.

In the preferred embodiment, the plurality of adjustment bars 422 are uniformly mounted on the adjustment frame 421 in various ways, for example, the plurality of adjustment bars 422 are made of elastic material, and when the plurality of adjustment bars 422 clamp the lens 22, the adjustment bars 422 are elastically deformed to lock the edge of the lens 22, and in the preferred embodiment, the plurality of adjustment bars 422 are uniformly mounted on the adjustment frame in various ways, and more preferably, the plurality of adjustment bars 422 are mounted on the adjustment frame 421 in a manner of being capable of extending and contracting toward or away from the enclosed space to clamp or release the lens 22. Wherein, adjust pole 422 with can be towards or keep away from surrounding space telescopic mode and install in alignment jig 421 accessible spring or other elastic connection spare realization, elastic connection spare's one end is connected in alignment jig 421, elastic connection spare's the other end is connected in adjusting the pole, and elastic connection spare disposes to make the regulation pole have all the time and draw close the motion trend of lens that is located the surrounding space with the centre gripping towards the inside of surrounding space, also can connect in same button through the transfer line between a plurality of alignment poles 422, the button can set up in alignment jig 421, a plurality of alignment poles 422 all move towards the direction of keeping away from the surrounding space when pressing the button, in order to release lens 22, a plurality of alignment poles 422 all move towards the direction towards the surrounding space when unclamping the button, in order to centre gripping.

Still further preferably, a plurality of adjusting rods 422 are installed in a plurality of debugging holes formed in the adjusting frame 421 in a one-to-one correspondence manner, an adjusting rod base 423 is disposed outside each debugging hole, and the adjusting rods 422 are telescopically connected to the corresponding adjusting rod bases 423, wherein specifically, the adjusting rods 422 can be connected to the adjusting rod bases 423 through elastic members, and an electromagnetic lock structure can also be formed between the adjusting rods 422 and the adjusting rod bases 423, so that the adjusting rods 422 can be telescopically arranged in the debugging holes, and the function of clamping or releasing the lenses 22 is achieved.

In addition, referring to fig. 1, 3 and 4, on the basis that the installation and debugging part 41 includes any one of the alternative embodiments of the moving platform 411 and the installation part 40, preferably, the moving platform 411 includes a first moving platform 4111 and a second moving platform 4112, and the first moving platform 4111 and the second moving platform 4112 are configured to drive the clamping part 42 to move in two mutually perpendicular directions relative to the fixed component 3 in a plane perpendicular to the extending direction of the lens barrel 21. Since the moving platform 411 includes the first moving platform 4111 and the second moving platform 4112, and the first moving platform 4111 and the second moving platform 4112 can drive the clamping portion 42 to move in two mutually perpendicular directions relative to the fixed component 3 in a plane perpendicular to the extending direction of the lens barrel 21, so that the first moving platform 4111 and the second moving platform 4112 are jointly formed as a two-dimensional moving platform, and thus the position of the lens 22 relative to the lens barrel 21 in the plane perpendicular to the extending direction of the lens barrel 21 can be adjusted in multiple positions, of course, the above two-dimensional moving platform 411 formed as a two-dimensional moving platform including the first moving platform 4111 and the second moving platform 4112 is only a specific alternative structure form of the moving platform 411 in this embodiment, and is not a limitation to this embodiment, and the moving platform 411 may also be a multi-dimensional moving platform including more moving platforms, to make finer adjustments to the position of the lens 22 relative to the barrel 21. The first moving platform and the second moving platform may both adopt a standard translation stage structure, such as a translation stage of GCM-120301BM type, or may also adopt an electric push rod structure, an air cylinder structure, a lead screw slider mechanism, or the like, to move the push-pull clamping portion 42 in a plane perpendicular to the extending direction of the lens barrel 21.

In addition, referring to fig. 1 and 3, on the basis of any one of the alternative embodiments that the mounting and debugging portion 41 includes the moving platform 411 and the mounting portion 40, preferably, the mounting portion 40 includes a connecting rod 401, a first fixing block 402, a second fixing block 403 and a mounting seat 404. The first fixing block 402 is connected to the fixing assembly 3 through a connecting member, so that one end of the connecting rod 401 is pressed and fixed between the first fixing block 402 and the fixing assembly 3; the second fixing block 403 is connected to the mounting base 404 through a connector, so that the other end of the connecting rod 401 is pressed and fixed between the second fixing block 403 and the mounting base 404; the moving platform 411 is fixed to the mount 404. Therefore, when in use, the first fixing block 402 and the second fixing block 403 can be loosened to adjust the distance between the connecting rod 401 and the fixing component 3 and the mounting base 404, so that the clamping portion 42 moves in the vertical direction to correspond to the position of the target lens, and then the first fixing block 402 and the second fixing block 403 are locked by using a screw or a bolt or other connecting members, at this time, the relative position between the moving platform 411 and the fixing component 3 is fixed, and then the moving platform 411 is finely adjusted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A lens core-shifting debugging device is applied to a lens assembly, the lens assembly comprises a lens barrel (21) and a lens (22) positioned in the lens barrel (21), and the lens core-shifting debugging device is characterized by comprising a fixing assembly (3) and a core-shifting debugging assembly (4);

the fixing component (3) is used for fixing the lens barrel (21);

the core-shifting debugging component (4) comprises an installation debugging part (41) and a clamping part (42); the clamping part (42) is arranged on the installation and debugging part (41), and the clamping part (42) is configured to clamp the lens (22) through a hollow area arranged on the cylinder wall of the lens cylinder (21) under the working condition that the lens cylinder (21) is fixed on the fixing component (3); the mounting and debugging part (41) is configured to be capable of adjusting the position of the clamping part (42) relative to the fixing component (3) in a plane perpendicular to the extending direction of the lens barrel (21) so as to adjust the core offset state of the lens (22) under the working condition that the lens (22) is clamped in the clamping part (42).

2. The device for debugging the decentration of the lens according to claim 1, wherein the fixed component (3) comprises a fixed frame (31), a first mandril (32) and a second mandril (33);

one end of the first push rod (32) is fixedly connected to the fixed frame (31), the other end of the first push rod (32) is configured to be capable of abutting against the outer side wall of the lens barrel (21), one end of the second push rod (33) is connected to the fixed frame (31) through a telescopic structure (34), and the telescopic structure (34) is configured to be capable of driving the second push rod (33) to be telescopic so that the other end of the second push rod (33) abuts against or is far away from the outer side wall of the lens barrel (21) to match the first push rod (32) to clamp or release the lens barrel (21); the mounting and debugging part (41) is fixedly connected with the fixed frame (31).

3. The device according to claim 2, wherein the fixing frame (31) is formed in a U-shape, the lens barrel (21) is located in a U-shaped space surrounded by the fixing frame (31), the first lift pin (32) and the second lift pin (33) are respectively disposed on the sides of the two ends of the fixing frame (31) facing the inside of the U-shaped space, and the extending direction of the first lift pin (32) and the extending direction of the second lift pin (33) are collinear.

4. The lens decentration debugging device according to claim 2 or 3, wherein the fixing assembly (3) further comprises a first pressing block (35) and a second pressing block (36), the first pressing block (35) is connected to one end of the first ejector rod (32) which is away from the fixing frame (31), the second pressing block (36) is connected to one end of the second ejector rod (33) which is away from the fixing frame (31), and both one side of the first pressing block (35) which is away from the fixing frame (31) and one side of the second pressing block (36) which is away from the fixing frame (31) are formed into arc surfaces which are matched with the outer side wall of the lens barrel (21).

5. The device according to claim 1, wherein the mounting and adjusting unit (41) comprises a movable platform (411) and a mounting unit (40); the moving platform (411) is mounted on the fixed component (3) through the mounting part (40), and the clamping part (42) is mounted on the moving platform (411); the moving platform (411) is configured to be able to drive the grip portion (42) to move relative to the fixed assembly (3) in a plane perpendicular to the direction of extension of the lens barrel (21).

6. The lens decentration adjustment device according to claim 5, wherein the holding portion (42) includes an adjustment frame (421) and a plurality of adjustment levers (422), the adjustment frame (421) is formed in an arc-shaped or ring-shaped structure having an enclosure space capable of enclosing the lens barrel (21), the plurality of adjustment levers (422) are uniformly mounted to the adjustment frame, and the plurality of adjustment levers (422) each extend toward the inside of the enclosure space to hold the lens (22); the adjusting frame (421) is installed on the moving platform (411).

7. The device for adjusting decentration of a lens according to claim 6, wherein a plurality of the adjustment levers (422) are each attached to the adjustment frame (421) in a manner capable of telescoping toward or away from the enclosure space, for holding or releasing the lens (22).

8. The device for debugging offset lens of claim 7, wherein a plurality of said adjustment rods (422) are installed in a plurality of adjustment holes provided on said adjustment frame (421) in a one-to-one correspondence manner, an adjustment rod base (423) is provided outside each of said adjustment holes, and said adjustment rods (422) are telescopically connected to the corresponding adjustment rod bases (423).

9. The lens decentration adjustment apparatus according to any one of claims 5 to 8, wherein the moving platform (411) comprises a first moving platform (4111) and a second moving platform (4112), and the first moving platform (4111) and the second moving platform (4112) are configured to drive the clamping portion (42) to move in two mutually perpendicular directions relative to the fixed component (3) in a plane perpendicular to an extending direction of the lens barrel (21).

10. The lens decentration adjustment device according to any one of claims 5 to 8, wherein the mount portion (40) includes a connecting rod (401), a first fixing block (402), a second fixing block (403), and a mount base (404);

the first fixing block (402) is connected to the fixing component (3) through a connecting piece, so that one end of the connecting rod (401) is pressed and fixed between the first fixing block (402) and the fixing component (3); the second fixing block (403) is connected to the mounting seat (404) through a connecting piece, so that the other end of the connecting rod (401) is fixedly pressed between the second fixing block (403) and the mounting seat (404); the moving platform (411) is fixed on the mounting seat (404).