CN216207453U

CN216207453U - Novel liquid crystal lens rapid test device

Info

Publication number: CN216207453U
Application number: CN202122650273.9U
Authority: CN
Inventors: 郭亮; 乐敏; 章正涛; 郑琼羽
Original assignee: Nanchang Virtual Reality Institute Co Ltd
Current assignee: Nanchang Virtual Reality Institute Co Ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model belongs to the field of liquid crystal lens testing devices, and particularly relates to a novel liquid crystal lens rapid testing device. The specific technical scheme is as follows: the lens fixing mechanism comprises a lens base and a lens cover plate which are matched with each other, the lens base is used for placing a liquid crystal lens, and magnets are arranged at the connecting parts of the lens base and the lens cover plate; the lens fixing mechanism is arranged on a rotating support, a guide mechanism is arranged on the rotating support, and the iris diaphragm is arranged on the guide mechanism in a sliding mode. The attractive force between the magnets is utilized to realize the detachable connection of the lens base and the lens cover plate, the connection mode is simple to operate, and the liquid crystal lens can be rapidly installed and detached. Especially, when a large number of liquid crystal lenses need to be tested, the liquid crystal lenses need to be frequently replaced, and the working efficiency is greatly improved in such a way.

Description

Novel liquid crystal lens rapid test device

Technical Field

The utility model belongs to the field of liquid crystal lens testing devices, and particularly relates to a novel liquid crystal lens rapid testing device.

Background

The liquid crystal lens testing device is a device for testing the performance of an optical liquid crystal lens sample. As shown in fig. 1, a conventional liquid crystal lens testing apparatus includes a rotating frame, a 360 ° rotating stage, a lens base, a lens cover, an iris, a diaphragm base, a laser, a lifting stage, and the like. The liquid crystal lens is fixed in a bolt connection mode, specifically, the liquid crystal lens is installed on the lens base, then the lens cover plate is covered, and the lens cover plate is fixed on the lens base through bolts. The liquid crystal lens is replaced by the method, so that the process is complicated and time-consuming; when a large number of liquid crystal lens samples need to be tested, the working efficiency is greatly reduced; and the liquid crystal lens is easy to fall off when the liquid crystal lens is replaced.

When the device is used, the laser and the optical axis of the iris diaphragm are required to be adjusted to be overlapped with the optical axis of the liquid crystal lens. When testing the performance of the lens under different angles, the iris diaphragm needs to be rotated at the same time to be consistent with the angle of the lens. When the distance between the variable diaphragm and the lens has different requirements, the diaphragm base, the lifting platform and the variable diaphragm assembly body need to be moved simultaneously, and then the optical axis of the variable diaphragm is readjusted to be coincident with the optical axis of the liquid crystal lens, so that the process is time-consuming and labor-consuming. Meanwhile, because the overall dimension of each part is limited, if the 360-degree rotating platform is abutted against the diaphragm base, the distance between the variable diaphragm and the lens cannot be continuously reduced, and the test that the distance between the variable diaphragm and the lens is small cannot be completed. The existing liquid crystal lens testing device has the problems of more parts and higher cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the lens is complicated to replace and time-consuming, and the angle of the lens and the angle of an iris diaphragm cannot be adjusted simultaneously.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is as follows: a novel liquid crystal lens rapid testing device comprises a lens fixing mechanism, an iris diaphragm and a laser, wherein the lens fixing mechanism comprises a lens base and a lens cover plate which are matched with each other, and magnets are arranged at connecting parts of the lens base and the lens cover plate; the lens fixing mechanism is arranged on a rotating support, a guide mechanism is arranged on the rotating support, and the iris diaphragm is arranged on the guide mechanism in a sliding mode.

Preferably: the lens is characterized in that a first groove is formed in the lens base, a first long magnet and a first short magnet extending out of the lens base are arranged in the first groove, a second groove corresponding to the first long magnet is formed in the lens cover plate, a first short magnet is arranged in the second groove, and when the lens is connected, the first long magnet extends into the second groove and is attracted with the first short magnet.

Preferably: the lens base is provided with a first groove corresponding to the first long magnet, and a first short magnet is arranged in the first groove.

Preferably: the guide mechanism comprises a guide rod arranged on the rotating support, a chuck is arranged on the guide rod in a sliding mode, and an iris diaphragm is detachably arranged on the chuck.

Preferably: the chuck is provided with first through-hole, first through-hole holds the guide arm, follow on the chuck first through-hole axis direction seted up with the first breach of first through-hole intercommunication, it fixes to set up first tightening mechanism on the chuck the guide arm.

Preferably: the first tightening mechanism comprises a tightening bolt penetrating through the first notch, and the screw direction of the tightening bolt is perpendicular to the length direction of the guide rod.

Preferably: the iris diaphragm is connected with the chuck through a connecting rod, the chuck is provided with a second through hole, the second through hole is used for accommodating the connecting rod, a second notch communicated with the second through hole is formed in the chuck along the axis direction of the second through hole, and a second tightening mechanism is arranged on the chuck and used for fixing the connecting rod.

Preferably: the second tightening mechanism comprises a tightening bolt penetrating through the second notch, and the screw direction of the tightening bolt is perpendicular to the length direction of the connecting rod.

Preferably: the rotary bracket bottom is provided with first 360 revolving stages, revolving bracket one side is provided with 360 revolving stages of second, 360 revolving stages of second are kept away from one side of revolving bracket is provided with the connecting plate.

Preferably: the laser instrument bottom is provided with the elevating platform, first 360 revolving stages, elevating platform all set up on work platform.

The utility model has the following beneficial effects:

(1) the connecting parts of the lens base and the lens cover plate are provided with the magnets, the connecting parts of the lens base and the connecting plate are provided with the magnets, the attractive force between the magnets is utilized to realize the detachable connection of the lens base and the lens cover plate, the lens base and the connecting plate, and the liquid crystal lens is stably fixed between the lens base and the lens cover plate. Especially, when a large number of liquid crystal lenses need to be tested, the liquid crystal lenses need to be frequently replaced, and the working efficiency is greatly improved in such a way.

(2) The chuck is arranged on the guide rod, and the iris diaphragm is detachably arranged on the chuck, so that the iris diaphragm can move on the guide rod, the distance between the iris diaphragm and the liquid crystal lens is adjusted, when the liquid crystal lens is required to be tested at different angles, the distance between the lens and the iris diaphragm can be adjusted only by changing the position of the iris diaphragm in the sliding direction of the guide mechanism, the optical axis of the iris diaphragm does not need to be adjusted to coincide with the optical axis of the liquid crystal lens again, the time is saved, and the work efficiency is high.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a conventional liquid crystal lens testing device;

FIG. 2 is a schematic view of a conventional lens holding mechanism;

FIG. 3 is a schematic diagram of the overall structure of the testing apparatus for liquid crystal lens of the present invention;

FIG. 4 is a schematic view of a lens holding mechanism according to the present invention;

FIG. 5 is a schematic view of the lens holder mechanism and the rotary stand according to the present invention;

FIG. 6 is a schematic diagram of an overall explosion structure of the testing device for liquid crystal lens of the present invention;

fig. 7 is a schematic view of the guide mechanism of the present invention.

In the drawings, the reference numbers: the device comprises a working platform 1, a first 360-degree rotating platform 2, a second 360-degree rotating platform 3, a rotating support 4, a diaphragm base 5, an iris diaphragm 6, a laser 7, a lifting platform 8, a lens base 9, a lens cover plate 10, a fixing bolt 11, a liquid crystal lens 12, a cavity 13, a first long magnet 14, a first short magnet 15, a connecting plate 16, a second long magnet 17, a second short magnet 18, a guide rod 19, a chuck 20, a first through hole 21, a first notch 22, a tightening bolt 23, a second through hole 24, a connecting rod 25 and a second notch 26.

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. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1-2, the conventional testing apparatus for liquid crystal lens comprises a rotary frame 4, a first 360 ° rotary table 2, a second 360 ° rotary table 3, a lens base 9, lens apron 10, iris diaphragm 6, diaphragm base 5, laser instrument 7 and elevating platform 8, can dismantle and be provided with runing rest 4 above 2 first 360 revolving stages, 360 revolving stages 2 of second that have fixed lens base 9 can be dismantled to 4 lateral walls of runing rest, lens base 9 is used for placing liquid crystal lens 12, one side that 360 revolving stages 3 of second were kept away from to lens base 9 is provided with the lens apron 10 of mutually supporting with lens base 9, liquid crystal lens 12 sets up between lens base 9 and lens apron 10, be provided with a plurality of bolt holes that correspond each other on lens base 9 and the lens apron 10, fixing bolt 11 passes the bolt hole, tighten fixed lens base 9 and lens apron 10. The mode of replacing the liquid crystal lens is troublesome, time-consuming and labor-consuming; when the liquid crystal lens is replaced, the liquid crystal lens is easy to fall off; when a large number of liquid crystal lens samples need to be tested, the working efficiency is low. The laser 7 is arranged on the lifting table 8. The variable iris 6 is disposed between the liquid crystal lens 12 and the laser 7, and the variable iris 6 is disposed on the iris base 5. When the distance between the iris diaphragm 6 and the liquid crystal lens 12 is required to be different, the process of simultaneously moving the diaphragm base 5 and the iris diaphragm 6 and readjusting the coincidence of the diaphragm optical axis and the lens optical axis is time-consuming and labor-consuming.

In order to solve the technical problem that the conventional liquid crystal lens testing device is troublesome to replace lenses, the utility model discloses a novel liquid crystal lens rapid testing device capable of rapidly disassembling and installing lenses, which comprises a working platform 1 as shown in figures 3 and 6, wherein the working platform 1 is provided with a rotating support 4 and a lifting platform 8, an iris diaphragm 6 is arranged between the rotating support 4 and the lifting platform 8, one side of the rotating support 4, which is close to the iris diaphragm 6, is provided with a lens fixing mechanism, and the lens fixing mechanism is used for fixing a liquid crystal lens 12. The lifting platform 8 is detachably provided with a laser 7, and the laser emitting direction of the laser 7 faces the iris diaphragm 6.

As shown in fig. 4-5, the lens fixing mechanism includes a lens base 9 and a lens cover plate 10 that are mutually matched, a concave cavity 13 for placing a liquid crystal lens 12 is formed on one side of the lens base 9 close to the lens cover plate 10, and magnets are arranged at the connecting portions of the lens base 9 and the lens cover plate 10. The contact surfaces of the lens base 9 and the lens cover plate 10 are respectively provided with a magnet, the lens base 9 and the lens cover plate 10 are detachably connected under the action of attraction force between the magnets, and the liquid crystal lens 12 is arranged between the lens base 9 and the lens cover plate 10. The magnets can be arranged on the lens base 9 and the lens cover 10 in a fully embedded mode, a partially embedded mode or a fully protruded mode on the side walls of the lens base 9 and the lens cover 10. It should be noted that the shape of the magnet is arbitrary, and may be a bar, a square, a circular ring, etc., and it is only necessary that after the lens base 9 and the lens cover plate 10 are connected by the attraction of the magnet, the lens base 9 and the lens cover plate 10 are not separated or shifted under the action of a large external force.

Through setting up magnet at lens base 9, lens apron 10 connecting portion, rely on magnet suction to realize that the connection between lens base 9, the lens apron 10 is fixed, can install fast, dismantle. Particularly, when a large number of liquid crystal lenses need to be tested, the liquid crystal lenses need to be frequently replaced, and the working efficiency is improved through the quick mounting and dismounting mode.

Further, the specific connection mode between the lens base 9 and the lens cover plate 10 is as follows: as shown in fig. 4, a first groove is formed in the lens base 9, a first long magnet 14 is arranged in the first groove, the first long magnet 14 extends out of the lens base 9, the first long magnet 14 and the first groove can be fixedly connected, such as welded, or detachably connected, such as the first long magnet 14 can be inserted into or pulled out of the first groove under the action of an external force. A second groove corresponding to the first long magnet 01 is formed in the lens cover plate 10, and a first short magnet 15 is arranged in the second groove. During connection, the part of the first long magnet 14 extending out of the lens base 9 extends into the second groove until abutting against the first short magnet 15, and an attraction force is generated between the first long magnet 14 and the first short magnet 15. It should be noted that the first long magnet 14 may be disposed in the second recess, and the first short magnet 15 may be disposed in the first recess. The first long magnet 14 and the first short magnet 15, which attract each other, form a set of connection portions, and a plurality of sets of the connection portions may be provided between the lens base 9 and the lens cover 10. Preferably, two sets of the connecting parts are symmetrically arranged, and three sets of the connecting parts are uniformly distributed at the center of the lens base 9, so that the suction force between the lens base 9 and the lens cover plate 10 can be ensured, and the connecting parts are not too many.

After the liquid crystal lens 12 is installed, a lens fixing mechanism needs to be installed on the rotating support 4, and the connection mode of the lens fixing mechanism and the rotating support 4 is as follows: as shown in fig. 5, a connecting plate 16 is arranged on the rotating bracket 4, a third groove is arranged on the connecting plate 16, a second long magnet 17 is arranged in the third groove, the second long magnet 17 extends out of the connecting plate 16, a fourth groove corresponding to the second long magnet 17 is arranged on the lens base 9, a second short magnet 18 is arranged in the fourth groove, and when the lens base is connected, the second long magnet 17 extends into the fourth groove and is attracted to the second short magnet 18. The second long magnets 17 and the second short magnets 18 are disposed in the third recesses and the fourth recesses, respectively, in the same manner as the first long magnets 14 and the first short magnets 15. Two groups of corresponding second long magnets 17 and second short magnets 18 can be symmetrically arranged between the connecting plate 16 and the lens base 9, or three groups of corresponding second long magnets 17 and second short magnets 18 are uniformly distributed in the center of the lens base 9.

In order to solve the technical problem that when the existing liquid crystal lens is used for testing different angles, the angle of the iris diaphragm needs to be adjusted independently, the lens fixing mechanism is arranged on the rotating support 4, the rotating support 4 is provided with a guide mechanism, and the iris diaphragm 6 is arranged on the guide mechanism in a sliding mode. It should be noted that, after the optical axis of the iris diaphragm is adjusted to coincide with the optical axis of the liquid crystal lens, the distance between the lens 12 and the iris diaphragm 6 can be adjusted only by changing the position of the iris diaphragm 6 in the sliding direction of the guide mechanism, and the optical axis of the iris diaphragm does not need to be adjusted again to coincide with the optical axis of the liquid crystal lens, so that time is saved, and the work is efficient.

Further, as shown in fig. 7, the guiding mechanism includes a guide rod 19 disposed on the rotating bracket 4, a collet 20 is slidably disposed on the guide rod 19, and the iris diaphragm 6 is detachably disposed on the collet 20. The guide rod structure is characterized in that a first through hole 21 is formed in the chuck 20, the guide rod 19 is accommodated in the first through hole 21, a first notch 22 communicated with the first through hole 21 is formed in the chuck 20 along the axis direction of the first through hole 21, and a first tightening mechanism is arranged on the chuck 20 to fix the guide rod 19. The first tightening mechanism comprises a tightening bolt 23 penetrating through the first notch 22, and the screw direction of the tightening bolt 23 is perpendicular to the length direction of the guide rod 19.

Further, as shown in fig. 7, the iris diaphragm 6 is connected to the collet 20 through a connecting rod 25, the collet 20 is provided with a second through hole 24, the second through hole 24 accommodates the connecting rod 25, a second notch 26 communicating with the second through hole 24 is formed in the collet 20 along an axial direction of the second through hole 24, and a second tightening mechanism is provided in the collet 20 to fix the connecting rod 25. The second tightening mechanism comprises a tightening bolt 23 penetrating through the second notch 26, and the screw direction of the tightening bolt 23 is perpendicular to the length direction of the connecting rod 25.

When the distance between the iris diaphragm 6 and the liquid crystal lens 12 is required to be relatively short, the distance between the iris diaphragm 6 and the liquid crystal lens 12 can be adjusted by adjusting the position of the chuck 20 on the guide bar 19, the chuck 20 is fixedly provided on the guide bar 19 by the first tightening mechanism, and the iris diaphragm 6 is fixedly provided on the chuck 20 by the second tightening mechanism. By arranging the guide mechanism, the problem of interference between the variable diaphragm 6 and the liquid crystal lens 12 of the existing liquid crystal lens testing device when the distance is small is solved. The first tightening mechanism and the second tightening mechanism are fixed by tightening bolts 23, so that the operation is simple and the disassembly is convenient.

Further, as shown in fig. 6, a first 360 ° rotation stage 2 is disposed at the bottom of the rotation bracket 4, a second 360 ° rotation stage 3 is disposed on one side of the rotation bracket 4, the connection plate 16 is disposed on one side of the second 360 ° rotation stage 3 away from the rotation bracket 4, and the lens fixing mechanism is disposed on the rotation bracket 4 through the connection plate 16. The bottom of the laser 7 is provided with a lifting platform 8, and the height of the laser 7 can be adjusted by arranging the lifting platform 8. The first 360-degree rotating platform 2 and the lifting platform 8 are both arranged on the working platform 1.

It should be noted that the present invention does not improve the structures of the first 360 ° rotary table 2, the second 360 ° rotary table 3, and the lifting table 8, which all belong to the prior art.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various changes, modifications, alterations, and substitutions which may be made by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a novel quick test of liquid crystal lens device, includes lens fixed establishment, iris diaphragm (6) and laser instrument (7), its characterized in that: the lens fixing mechanism comprises a lens base (9) and a lens cover plate (10) which are matched with each other, and magnets are arranged at the connecting parts of the lens base (9) and the lens cover plate (10); the lens fixing mechanism is arranged on the rotating support (4), the rotating support (4) is provided with a guide mechanism, and the iris diaphragm (6) is arranged on the guide mechanism in a sliding mode.

2. The novel liquid crystal lens rapid test device according to claim 1, characterized in that: the lens is characterized in that a first groove is formed in the lens base (9), a first long magnet (14) is arranged in the first groove, the first long magnet (14) stretches out of the lens base (9), a second groove corresponding to the first long magnet (14) is formed in the lens cover plate (10), a first short magnet (15) is arranged in the second groove, and when the lens is connected, the first long magnet (14) stretches into the second groove to be attracted with the first short magnet (15).

3. The novel liquid crystal lens rapid test device according to claim 2, characterized in that: be provided with connecting plate (16) on runing rest (4), be provided with the third recess on connecting plate (16), be provided with long magnet of second (17) and the long magnet of second (17) stretches out connecting plate (16) in the third recess, be provided with on lens base (9) with the corresponding fourth recess of the long magnet of second (17), be provided with the short magnet of second (18) in the fourth recess, during the connection, the long magnet of second (17) stretches into the fourth recess and the short magnet of second (18) is inhaled mutually.

4. The novel liquid crystal lens rapid test device according to claim 1, characterized in that: the guide mechanism comprises a guide rod (19) arranged on the rotating support (4), a chuck (20) is arranged on the guide rod (19) in a sliding mode, and an iris diaphragm (6) is detachably arranged on the chuck (20).

5. The novel liquid crystal lens rapid test device according to claim 4, characterized in that: the clamping head (20) is provided with a first through hole (21), the guide rod (19) is accommodated in the first through hole (21), a first notch (22) communicated with the first through hole (21) is formed in the clamping head (20) along the axis direction of the first through hole (21), and a first screwing mechanism is arranged on the clamping head (20) and used for fixing the guide rod (19).

6. The novel liquid crystal lens rapid test device according to claim 5, characterized in that: the first tightening mechanism comprises a tightening bolt (23) penetrating through the first notch (22), and the screw rod direction of the tightening bolt (23) is perpendicular to the length direction of the guide rod (19).

7. The novel liquid crystal lens rapid test device according to claim 6, characterized in that: the iris diaphragm (6) is connected with the chuck (20) through a connecting rod (25), the chuck (20) is provided with a second through hole (24), the second through hole (24) accommodates the connecting rod (25), a second notch (26) communicated with the second through hole (24) is formed in the chuck (20) along the axial direction of the second through hole (24), and a second screwing mechanism is arranged on the chuck (20) to fix the connecting rod (25).

8. The novel liquid crystal lens rapid test device according to claim 7, characterized in that: the second tightening mechanism comprises a tightening bolt (23) penetrating through the second notch (26), and the screw rod direction of the tightening bolt (23) is perpendicular to the length direction of the connecting rod (25).

9. The novel liquid crystal lens rapid test device according to claim 3, characterized in that: the rotary support is characterized in that a first 360-degree rotary table (2) is arranged at the bottom of the rotary support (4), a second 360-degree rotary table (3) is arranged on one side of the rotary support (4), and the second 360-degree rotary table (3) is far away from one side of the rotary support (4) and is provided with the connecting plate (16).

10. The novel liquid crystal lens rapid test device according to claim 9, characterized in that: the laser instrument (7) bottom is provided with elevating platform (8), first 360 revolving stages (2), elevating platform (8) all set up on work platform (1).