CN219617539U

CN219617539U - Lens clamping device

Info

Publication number: CN219617539U
Application number: CN202320339061.5U
Authority: CN
Inventors: 邵昊; 谭彪; 阮广明; 郭崇波; 龙裕; 王樑
Original assignee: Jiangxi Lianyi Optics Co Ltd
Current assignee: Jiangxi Lianyi Optics Co Ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-09-01
Anticipated expiration: 2033-02-28

Abstract

The utility model relates to the technical field of lens testing, in particular to a lens clamping device, which comprises a supporting structure and a clamping structure, wherein the supporting structure comprises a base and a bracket, the clamping structure comprises a fixed clamping jaw, a movable clamping jaw, a push rod and an elastic piece, the fixed clamping jaw and the movable clamping jaw are oppositely arranged on the bracket, a movable groove is arranged on the bracket and used for enabling the movable clamping jaw to move back and forth towards the fixed clamping jaw, and the right end of the elastic piece is connected with the push rod and the left end of the elastic piece is used for applying pressure to the movable clamping jaw. The lens clamping device supports the clamping structure through the supporting structure, the clamping structure clamps the lens through the fixed clamping jaw and the movable clamping jaw which are arranged oppositely, the movable clamping jaw is driven to move along the movable groove through the push rod and the elastic piece, the elastic force applied to the movable clamping jaw by the elastic piece is adjustable so as to accurately control clamping force, and the clamping of the lens by the assembling machine can be simulated so as to simulate the surface type measurement of the lens in the clamping state of the assembling machine through the UA3P test machine.

Description

Lens clamping device

Technical Field

The utility model relates to the technical field of lens testing, in particular to a lens clamping device.

Background

In the production process of the lens, the yield of the product after the lens is assembled is difficult to be ensured, one of the reasons is that the lens surface type is changed due to the clamping force when the lens is clamped, and the lens surface type generally needs to be measured by using a UA3P test machine, but the measurement of the lens surface type cannot be completed in the assembly machine in real time under the state of clamping the lens, so that a set of jigs needs to be designed to realize the following functions: simulating clamping of the lens by the assembling machine, wherein the clamping force is consistent with the clamping force of the assembling machine; the UA3P test machine can be used for surface type measurement.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provide a lens clamping device.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a camera lens clamping device, includes bearing structure, clamping structure, bearing structure includes base and support, the support mounting is on the base, clamping structure includes fixed clamping jaw, activity clamping jaw, push rod, elastic component, fixed clamping jaw and the relative setting of activity clamping jaw are on the support, be provided with movable groove on the support and be used for supplying the activity clamping jaw to make a round trip to move towards fixed clamping jaw, the right-hand member and the push rod of elastic component are connected, the left end is used for exerting pressure to the activity clamping jaw, and the activity the push rod can compress the elastic component in order to exert pressure to the activity clamping jaw.

Further, the push rod is in threaded connection with the support, and the elastic piece can be compressed by rotating the push rod.

Further, the movable clamping jaw is connected with a sliding block which can slide back and forth along the movable groove.

Further, the elastic piece is a spring, and the right end of the spring is sleeved on the push rod.

Further, the push rod is provided with scale marks for calculating the moving distance of the push rod.

Further, a locating pin is arranged at the starting point of the scale mark.

Further, a bearing table for placing the lens is arranged below the fixed clamping jaw and the movable clamping jaw.

Further, the fixing clamping jaw is fixed on the support through a bolt.

Further, the support is fixed on the base through bolts.

Furthermore, the clamping structure and the bracket are of an up-down overturning symmetrical structure.

The utility model has the beneficial effects that: as can be seen from the above description of the present utility model, compared with the prior art, the lens clamping device of the present utility model includes a supporting structure and a clamping structure, where the supporting structure includes a base and a bracket mounted on the base, so as to support the clamping structure by the supporting structure, the clamping structure clamps the lens by a fixed clamping jaw and a movable clamping jaw that are disposed opposite to each other, the movable clamping jaw is driven by a push rod and an elastic member to move along a movable slot, and the elastic force applied by the elastic member to the movable clamping jaw is adjustable, so as to accurately control the clamping force, and further simulate the clamping of the lens by an assembling machine, so as to simulate the surface type measurement of the lens in the clamping state of the assembling machine by a UA3P test machine.

Drawings

Fig. 1 is a schematic perspective view of a lens holder according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic top view showing a partial structure of a lens holder according to a preferred embodiment of the present utility model;

reference numerals: 1. a support structure; 2. a clamping structure; 11. a base; 12. a bracket; 13. a carrying platform; 21. fixing the clamping jaw; 22. a movable clamping jaw; 23. a push rod; 24. an elastic member; 25. a slide block; 26. a positioning pin; 231. graduation marks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-2, a lens clamping device according to a preferred embodiment of the present utility model comprises a support structure 1 and a clamping structure 2, wherein the support structure 1 comprises a base 11 and a bracket 12, the bracket 12 is mounted on the base 11, the clamping structure 2 comprises a fixed clamping jaw 21, a movable clamping jaw 22, a push rod 23 and an elastic piece 24, the fixed clamping jaw 21 and the movable clamping jaw 22 are oppositely arranged on the bracket 12, a movable groove is formed in the bracket 12 and is used for enabling the movable clamping jaw 22 to move back and forth towards the fixed clamping jaw 21, the right end of the elastic piece 24 is connected with a push rod 23, the left end of the elastic piece is used for applying pressure to the movable clamping jaw 22, and the push rod 23 can compress the elastic piece 24 to apply pressure to the movable clamping jaw 22.

The lens clamping device comprises a supporting structure 1 and a clamping structure 2, wherein the supporting structure 1 comprises a base 11 and a bracket 12 arranged on the base 11, the clamping structure 2 is used for supporting the clamping structure 2 through the supporting structure 1, the clamping structure 2 is used for clamping a lens through a fixed clamping jaw 21 and a movable clamping jaw 22 which are oppositely arranged, the movable clamping jaw 22 is driven to move along a movable groove through a push rod 23 and an elastic piece 24, the elastic force applied to the movable clamping jaw 22 by the elastic piece 24 is adjustable, so that the clamping force can be accurately controlled, the clamping of a lens by an assembling machine can be simulated, and the surface type measurement of the lens in the clamping state of the assembling machine can be simulated through a UA3P test machine.

As a preferred embodiment of the utility model, it may also have the following additional technical features:

in this embodiment, the push rod 23 is screwed with the bracket 12, and rotating the push rod 23 compresses the elastic member 24. The push rod 23 is connected with the bracket 12 in a threaded manner, and the push rod 23 can be axially moved by rotating the push rod 23 so as to control the compression amount of the elastic member 24.

In this embodiment, the movable jaw 22 is connected with a slider 25 that can slide back and forth along the movable slot. By arranging the movable clamping jaw 22 on the sliding block 25, the sliding block 25 is small in friction force, so that the movable clamping jaw 22 can be moved conveniently.

In this embodiment, the elastic member 24 is a spring, and the right end of the spring is sleeved on the push rod 23. The elastic member 24 is a spring, and the right end of the spring is sleeved on the push rod 23 so as not to influence the spring when the push rod 23 is rotated.

In this embodiment, the push rod 23 is provided with graduation marks 231 for calculating the moving distance of the push rod 23. The moving distance of the push rod 23, i.e., the compression amount of the spring, is calculated by the graduation marks 231, thereby precisely pressing the spring.

In this embodiment, a positioning pin 26 is disposed at the start point of the graduation mark 231. A positioning pin 26 is arranged at the starting point of the graduation mark 231, and when the push rod 23 is positioned at the positioning pin 26, the spring is in a natural telescopic state, and no elastic force is applied to the movable clamping jaw 22.

In this embodiment, a carrying table 13 for placing a lens is disposed below the fixed clamping jaw 21 and the movable clamping jaw 22. The bearing table 13 is used for bearing the lens, so that the height of the lens is consistent with the heights of the fixed clamping jaw 21 and the movable clamping jaw 22.

In the present embodiment, the fixing jaw 21 is fixed to the bracket 12 by a bolt. The fixed clamping jaw 21 is fixed through bolts and is convenient to detach.

In this embodiment, the bracket 12 is fixed to the base 11 by bolts. The bracket 12 is fixed by bolts and is convenient to detach

In this embodiment, the clamping structure 2 and the bracket 12 are both in an up-down flip symmetrical structure. The clamping structure 2 and the bracket 12 adopt a vertically-turnover symmetrical structure, and after the front surface of the lens is detected, the bracket 12 and the clamping structure 2 can be directly taken down from the base 11, and after the back surface is turned over once, the lens is installed on the base 11 again so as to detect the back surface.

The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A lens holder, characterized in that: including bearing structure (1), clamping structure (2), bearing structure (1) includes base (11) and support (12), support (12) are installed on base (11), clamping structure (2) are including fixed clamping jaw (21), activity clamping jaw (22), push rod (23), elastic component (24), fixed clamping jaw (21) and the relative setting of activity clamping jaw (22) are on support (12), be provided with movable groove in support (12) and be used for supplying activity clamping jaw (22) to make a round trip to move towards fixed clamping jaw (21), the right-hand member and push rod (23) of elastic component (24) are connected, the left end is used for applys pressure to activity clamping jaw (22), and the activity push rod (23) can compress elastic component (24) in order to apply pressure to activity clamping jaw (22).

2. A lens holding apparatus according to claim 1, wherein: the push rod (23) is in threaded connection with the support (12), and the elastic piece (24) can be compressed by rotating the push rod (23).

3. A lens holding apparatus according to claim 1, wherein: the movable clamping jaw (22) is connected with a sliding block (25) which can slide back and forth along the movable groove.

4. A lens holding apparatus according to claim 1, wherein: the elastic piece (24) is a spring, and the right end of the spring is sleeved on the push rod (23).

5. A lens holding apparatus according to claim 1, wherein: the push rod (23) is provided with scale marks (231) for calculating the moving distance of the push rod (23).

6. A lens holding apparatus according to claim 5, wherein: a locating pin (26) is arranged at the starting point of the scale mark (231).

7. A lens holding apparatus according to claim 1, wherein: a bearing table (13) for placing the lens is arranged below the fixed clamping jaw (21) and the movable clamping jaw (22).

8. A lens holding apparatus according to claim 1, wherein: the fixed clamping jaw (21) is fixed on the bracket (12) through a bolt.

9. A lens holding apparatus according to claim 1, wherein: the bracket (12) is fixed on the base (11) through bolts.

10. A lens holding apparatus according to claim 1, wherein: the clamping structure (2) and the bracket (12) are of an up-down overturning symmetrical structure.