CN210666226U

CN210666226U - Automatic change accent core device

Info

Publication number: CN210666226U
Application number: CN201921678304.8U
Authority: CN
Inventors: 李云洪
Original assignee: Cbc Optronics Beijing Co ltd
Current assignee: Cbc Optronics Beijing Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-02
Anticipated expiration: 2029-10-09

Abstract

The embodiment of the utility model provides an automatic change aligning device, include: the device comprises an image acquisition unit, an image processing unit, a core adjusting unit, a display unit and a lens cone positioning jig; the image acquisition unit is positioned above the image processing unit and is connected with the image processing unit through a guide post, and the image acquisition unit can move up and down along the guide post; the core adjusting unit is positioned between the image acquiring unit and the image processing unit and is connected with the image processing unit through a guide post, and the core adjusting unit can move up and down along the guide post; the lens cone positioning jig 4 is fixed above the image processing unit and is positioned below the aligning unit; the image processing unit is respectively in communication connection with the image acquisition unit, the aligning unit and the display unit. The utility model discloses an acquire unit and image processing unit and detect often, change the test value difference into motor drive signal, make the motor drive XY slip table motion realize automatic accent core, not only have the high accuracy and produce the property ability, will transfer the man-hour reduction of core simultaneously, greatly reduced the cost of accent core.

Description

Automatic change accent core device

Technical Field

The utility model relates to a camera lens technical field especially relates to an automatic change aligning device.

Background

In the existing lens manufacturing process, a core adjusting machine is mainly used for adjusting the core of a lens with large error sensitivity in a lens barrel optical system, so that the optical axes of all the lenses of the optical system are basically overlapped, and the existing process mainly has two modes: firstly, the jig is assembled, the coaxiality of the jig is difficult to guarantee and is often limited by a processing technology, the coaxiality is generally 0.02-0.03 mm, and higher precision is difficult to achieve; for lenses with higher optical sensitivity, the coaxiality is difficult to ensure the product performance. Secondly, the XY sliding table is adopted for manual core adjustment, the performance of the process product can be effectively guaranteed, the core adjustment time is long and is as high as 7-10 minutes for each product, and the core adjustment cost is high.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an automatic change aligning device to overcome prior art's defect.

In order to achieve the purpose, the utility model adopts the following technical scheme.

The utility model provides a following scheme:

an automated core alignment apparatus comprising: the device comprises an image acquisition unit, an image processing unit, a core adjusting unit, a display unit and a lens cone positioning jig;

the image acquisition unit is positioned above the image processing unit and is connected with the image processing unit through a guide post, and the image acquisition unit can move up and down along the guide post;

the core adjusting unit is positioned between the image acquiring unit and the image processing unit and is connected with the image processing unit through a guide post, and the core adjusting unit can move up and down along the guide post;

the lens cone positioning jig is fixed above the image processing unit and is positioned below the aligning unit;

the image processing unit is respectively in communication connection with the image acquisition unit, the core adjustment unit and the display unit.

Preferably, the image acquisition unit includes: the camera cantilever is connected with the camera cantilever in a sliding mode, and the camera cantilever is connected with the guide column through the linear bearing.

Preferably, the image processing unit includes: the trigger switch is connected with the control system, and the control system is respectively connected with the image acquisition unit, the core adjustment unit and the display unit.

Preferably, the aligning unit includes: the device comprises a core adjusting assembly, a driving assembly, a movable substrate and a connecting substrate;

the driving assembly is fixed on the connecting substrate and is connected with the core adjusting assembly to drive the core adjusting assembly to rotate, the position of the core adjusting assembly corresponds to that of the lens barrel positioning jig, and the position of a lens in the lens barrel can be adjusted;

the connecting substrate is fixed above the moving substrate, the moving substrate and the connecting substrate are hollow plates, the size of a hollow part is larger than that of the lens barrel positioning jig, and the hollow part corresponds to the position of the lens barrel positioning jig;

the movable substrate is connected with the guide posts in a sliding mode.

Preferably, the alignment assembly comprises: the adjusting claw is fixedly connected with the driving assembly.

Preferably, the drive assembly comprises: a first drive assembly and a second drive assembly, the first drive assembly comprising: the first driving motor is fixedly connected with the connecting substrate and is in driving connection with the Y sliding table, the Y sliding table is rotatably connected with the connecting substrate, and the first driving motor drives the Y sliding table to rotate;

the second drive assembly includes: the X sliding table is positioned below the Y sliding table, the second driving motor is fixedly connected with the connecting substrate and is in driving connection with the X sliding table, the X sliding table is rotationally connected with the connecting substrate, and the second driving motor drives the X sliding table to rotate and drives the Y sliding table to rotate under the action of friction force;

the Y sliding table and the X sliding table are hollow plates, the size of a hollow part is larger than that of the lens barrel positioning jig, and the hollow part corresponds to the position of the lens barrel positioning jig;

the adjusting claw is fixed on the inner side of the Y sliding table.

Preferably, the hollow part of the Y sliding table is circular.

Preferably, the number of the adjusting claws is 3, one end of each adjusting claw is fixedly connected with the Y sliding table, the other end of each adjusting claw extends towards the direction of the circular circle center, and the included angle between each two adjacent adjusting claws and the line of the circle centers is 120 degrees.

Preferably, the first driving motor is connected to the connection substrate through a first driving motor connection plate;

the second drive motor is connected with the connecting substrate through a second drive motor connecting plate.

Preferably, the first drive assembly further comprises: y slip table stopper, the second drive assembly still includes: x slip table stopper.

By the foregoing technical scheme the embodiment of the utility model provides a can find out, the embodiment of the utility model provides an automatic change aligning device through the automatic aligning function of board, can realize the purpose of many machines of one man operation, during personnel only need will be placed this device by lens and the lens cone of aligning, press automatic aligning switch can.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic structural view of an automatic core adjustment device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a lens barrel positioning fixture according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an image capturing unit according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of an automatic core adjustment device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a core adjustment unit according to an embodiment of the present invention;

fig. 6 is the embodiment of the utility model provides an X slip table and Y slip table structure sketch map.

Reference numerals:

1. an image acquisition unit; 11. a camera; 12. camera cantilever

2. An image processing unit; 21. a trigger switch;

3. a core adjusting unit; 31. an adjusting claw; 32. moving the substrate; 33. connecting the substrates;

34. a first drive motor; 341. a Y sliding table; 342. a Y sliding table limiting block; 343. a first pin connecting hole;

35. a second drive motor; 351. an X sliding table; 352. an X sliding table limiting block; 353. a second pin shaft connecting hole; 354. a second drive motor connection plate;

4. a display unit; 5. a guide post; 6. a linear bearing; 7. a lens barrel positioning jig; 8. a lens barrel; 9. positioning an adjusting rod; 10. and a data line.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

For the convenience of understanding the embodiments of the present invention, the following description will be given by way of example only with reference to the accompanying drawings, and the embodiments are not limited thereto.

The embodiment of the utility model provides a pair of automatic change accent core device, as shown in fig. 1-6, include: the device comprises an image acquisition unit 1, an image processing unit 2, a core adjusting unit 3, a display unit 4 and a lens cone positioning jig 7;

the image acquisition unit 1 is positioned above the image processing unit 2, is connected with the image processing unit 2 through 4 guide posts 5, and the image acquisition unit 1 is connected with the guide posts 5 through linear bearings so that the image acquisition unit 1 moves up and down along the guide posts 5.

The aligning unit 3 is located between the image acquiring unit 1 and the image processing unit 2, and is connected with the guide post 5 in a sliding mode through a linear bearing 6, and the aligning unit 3 can move up and down along the guide post 5.

The lens barrel positioning jig 7 is fixed above the image processing unit 2 and below the aligning unit 3.

The image processing unit 2 is in communication connection with the image acquisition unit 1, the alignment unit 3 and the display unit 4, respectively.

As shown in fig. 3, the image acquisition unit 1 includes: 8

cameras

11 and 8 camera cantilevers 12, camera 11 and camera cantilever 12 sliding connection, 8 camera cantilevers 12 fixed connection, camera cantilever 12 is connected with guide post 5 through linear bearing.

The image processing unit 2 includes: trigger switch 21 and control system, trigger switch 21 is connected with control system, and control system passes through data line 10 with image acquisition unit 1, accent core unit 3 and display element 4 respectively and connects.

As shown in fig. 3 and 4, the aligning unit 3 includes: a centering assembly, a driving assembly, a moving substrate 32 and a connecting substrate 33. The core adjusting assembly is connected with the driving assembly, the driving assembly is connected with the connecting base plate 33, the driving assembly drives the core adjusting assembly to rotate, the position of the core adjusting assembly corresponds to that of the lens cone positioning jig 7, and the position of a lens in the lens cone 8 is adjusted. The aligning subassembly includes: the adjusting claw 31, the adjusting claw 31 is fixedly connected with the driving component; the drive assembly includes: a first drive assembly and a second drive assembly.

As shown in fig. 4, the movable base plate 32 and the guide post 5 are slidably coupled by the linear bearing 6, and the connection base plate 33 is fixed above the movable base plate 32. The movable substrate 32 and the connection substrate 33 are hollow plates, and the hollow portions correspond to the lens barrel positioning jig 7 in position and are larger than the lens barrel positioning jig 7 in size.

Specifically, as shown in fig. 5-6, the first drive assembly includes: the first driving motor 34, the Y sliding table 341, and the 3Y sliding table limiting blocks 342, the first driving motor 34 is fixedly connected to the connection substrate 33 through a first driving motor connecting plate, and is drivingly connected to the Y sliding table 341, a first pin connecting hole 343 is provided at a side of the Y sliding table 341 parallel to and far from the first driving motor 34, and a pin passes through the first pin connecting hole 343 to connect the Y sliding table 341 to the connection substrate 35. A Y sliding table limiting block 342 is arranged at the front end of the rotating shaft of the first driving motor 34, and two ends of one side of the Y sliding table 341 opposite to the first driving motor 34 are respectively provided with a Y sliding table limiting block 342 for limiting the rotating position of the Y sliding table.

The second drive assembly includes: second driving motor 35, X slip table 351, 3X slip table stopper 352, second driving motor 35 pass through second driving motor connecting plate 354 and be connected with connection substrate 33 fixed connection, with X slip table 351 drive connection, have second round pin axle connecting hole 353 in the parallel and one side of keeping away from second driving motor 35 of X slip table 351, and the round pin axle passes second round pin axle connecting hole 353 and makes X slip table 351 rotate to be connected in connection substrate 35. An X sliding table limiting block 352 is arranged at the front end of the rotating shaft of the second driving motor 35, and Y sliding table limiting blocks 352 are respectively arranged at two ends of one side, opposite to the second driving motor 35, of the X sliding table 351 and used for limiting the rotating position of the X sliding table.

The Y sliding table 341 is located above the X sliding table 351, the Y sliding table 341 and the X sliding table 351 are hollow plates, the size of the hollow portion is larger than that of the lens barrel positioning jig 7, and the hollow portion corresponds to the position of the lens barrel positioning jig 7. The hollow part of Y slip table 341 is circular, and it is 3 to adjust claw 31, and the one end fixed connection of adjusting claw 31 is in the circular hollow inside of Y slip table 323, and the other end extends to circular shape centre of a circle direction, and the contained angle of two adjacent adjusting claw 31 and centre of a circle line is 120, drives the adjusting claw and adjusts the lens in the lens barrel when X, Y slip table moves.

The embodiment of the utility model provides an automatic change aligning device still includes: and the positioning adjusting rod 9 penetrates through the movable base plate 32, one end of the positioning adjusting rod 9 is fixedly connected with the image processing unit 2, and the other end of the positioning adjusting rod 9 is provided with an adjusting bolt for fixing the movable base plate.

The embodiment of the utility model provides an automatic change aligning device, its concrete realization process as follows:

the product (lens cone) is placed in the lens cone positioning jig 6 to be fixed, the aspheric lens is placed in the lens cone, after the trigger switch 21 is pressed, the core adjusting unit 3 starts to automatically adjust the core, the image acquisition unit 1 performs a first test, a test value is fed back to the image processing unit 2, and a difference value of the image is converted into a motor driving signal, so that the driving motor moves forward or backward. When the first driving motor receives a signal, the Y sliding table is driven to move, when the second driving motor receives the signal, the X sliding table is driven to move, and meanwhile, the Y sliding table is driven to move under the action of friction force. Because the driving motor adopts a high-precision linear motor, the X sliding table and the Y sliding table move simultaneously, the image acquisition unit 1 detects in real time, the test value is fed back to the image processing unit 2 again, the image processing unit 2 converts the difference value of the image into a driving signal of the motor again, the driving motor moves forwards or backwards, so as to drive the XY sliding table to realize core adjustment, when the image acquisition unit 1 tests that the image is the clearest value, namely the measured value reaches the set value, the core adjustment unit 3 stops moving, the test is carried out again, the automatic core adjustment device judges that Ok outputs a UV glue curing signal to start UV curing, and when the UV curing time reaches the set value, the test is carried out again to serve as the final judgment.

To sum up, the embodiment of the utility model provides an automatic change aligning device detects in real time through acquireing unit and image processing unit, changes the test value difference into motor drive signal, makes the motor drive XY slip table motion realize automatic aligning, not only has the product property ability of high accuracy, will transfer the man-hour reduction of core simultaneously, greatly reduced the cost of aligning.

Those of ordinary skill in the art will understand that: the figures are schematic representations of one embodiment, and the blocks or processes in the figures are not necessarily required to practice the present invention.

Those of ordinary skill in the art will understand that: the components in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be correspondingly changed in one or more devices different from the embodiments. The components of the above embodiments may be combined into one component, or may be further divided into a plurality of sub-components.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An automatic change aligning device, characterized by, includes: the device comprises an image acquisition unit, an image processing unit, a core adjusting unit, a display unit and a lens cone positioning jig;

2. The apparatus according to claim 1, wherein the image acquisition unit comprises: the camera cantilever is connected with the guide post through a linear bearing.

3. The apparatus according to claim 1, wherein the image processing unit comprises: the trigger switch is connected with the control system, and the control system is respectively connected with the image acquisition unit, the core adjustment unit and the display unit.

4. The apparatus of claim 1, wherein the alignment unit comprises: the device comprises a core adjusting assembly, a driving assembly, a movable substrate and a connecting substrate;

the movable substrate is connected with the guide posts in a sliding mode.

5. The apparatus of claim 4, wherein the alignment assembly comprises: the adjusting claw is fixedly connected with the driving assembly.

6. The apparatus of claim 5, wherein the drive assembly comprises: a first drive assembly and a second drive assembly, the first drive assembly comprising: the first driving motor is fixedly connected with the connecting substrate and is in driving connection with the Y sliding table, the Y sliding table is rotatably connected with the connecting substrate, and the first driving motor drives the Y sliding table to rotate;

the adjusting claw is fixed on the inner side of the Y sliding table.

7. The apparatus of claim 6, wherein the hollow portion of the Y slide is circular.

8. The device of claim 7, wherein the number of the adjusting claws is 3, one end of each adjusting claw is fixedly connected with the Y-shaped sliding table, the other end of each adjusting claw extends towards the direction of the circle center of the circle, and the included angle between each two adjacent adjusting claws and the connecting line of the circle centers is 120 degrees.

9. The apparatus of claim 8, wherein the first drive motor is connected to the connection base plate by a first drive motor connection plate;

10. The apparatus of claim 9, wherein the first drive assembly further comprises: y slip table stopper, the second drive assembly still includes: x slip table stopper.