CN221039585U - Industrial camera lens capable of focusing - Google Patents
Industrial camera lens capable of focusing Download PDFInfo
- Publication number
- CN221039585U CN221039585U CN202323270489.8U CN202323270489U CN221039585U CN 221039585 U CN221039585 U CN 221039585U CN 202323270489 U CN202323270489 U CN 202323270489U CN 221039585 U CN221039585 U CN 221039585U
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- lens
- shell
- adjusting knob
- side wall
- fixing seat
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- 238000007789 sealing Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000000428 dust Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Lens Barrels (AREA)
Abstract
The utility model discloses a focusing industrial camera lens, which comprises a shell, wherein a lens assembly is arranged in the shell, an adjusting knob is sleeved on the outer side of the shell, the adjusting knob is rotatably connected with the shell, and a spiral groove is formed in the inner side wall of the adjusting knob; the lens assembly comprises a lens fixing seat, an adjusting driving piece is arranged on the outer side wall of the lens fixing seat, an axial guide hole is formed in the side wall of the shell, the adjusting driving piece penetrates through the axial guide hole and then stretches into the spiral groove, the adjusting driving piece is in sliding connection with the spiral groove, and the adjusting knob can drive the lens fixing seat to move up and down in the shell. According to the utility model, the shooting focal length of the camera lens can be adjusted through the cooperation of the spiral groove, the axial guide hole and the adjusting driving piece, so that the processing efficiency is improved, and the use requirements of different processing scenes are met.
Description
Technical Field
The utility model relates to the technical field of industrial cameras, in particular to a focusing industrial camera lens.
Background
The industrial camera is a key component in the machine vision system, the most essential function of the industrial camera is to convert optical signals into ordered electric signals, the selection of a proper camera is also an important link in the design of the machine vision system, and the selection of the camera not only directly determines the resolution, the image quality and the like of the acquired image, but also is directly related to the running mode of the whole system. Industrial cameras are also commonly called industrial cameras, and compared with the traditional civil cameras (cameras), the industrial cameras have high image stability, high transmission capacity, high anti-interference capacity and the like, and most industrial cameras on the market are cameras based on CCD or CMOS chips.
In order to capture images with higher definition, industrial cameras are usually provided with a camera lens for matching use. At present, most of camera lenses commonly used in the market are fixed focal lengths, and are applicable to a single processing scene. But for some machining applications where focus adjustment is often required, for example: laser welding and laser cutting; because the size, thickness, etc. of the processed products are not the same, the photographing focal length required for industrial cameras is also different. In the existing mode, when products with different sizes are replaced, different camera lenses are required to be replaced, and then equipment is debugged again, so that the processing efficiency is seriously affected.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a focus-adjustable industrial camera lens, which comprises a shell, wherein a lens component is arranged in the shell, an adjusting knob is sleeved on the outer side of the shell, the adjusting knob is rotatably connected with the shell, and a spiral groove is formed in the inner side wall of the adjusting knob; the lens assembly comprises a lens fixing seat, an adjusting driving piece is arranged on the outer side wall of the lens fixing seat, an axial guide hole is formed in the side wall of the shell, the adjusting driving piece penetrates through the axial guide hole and then stretches into the spiral groove, the adjusting driving piece is in sliding connection with the spiral groove, and the adjusting knob can drive the lens fixing seat to move up and down in the shell.
As a further improvement of the utility model, the lens fixing seat is internally provided with a light path channel, the light path channel is provided with a divergent lens and a focusing lens, the divergent lens and the focusing lens are respectively connected with the inner side wall of the lens fixing seat, and the divergent lens is arranged above the focusing lens.
As a further improvement of the utility model, the light path channel is provided with a protective lens, the protective lens is connected with the inner side wall of the lens fixing seat, and the protective lens is arranged above the divergent lens.
As a further improvement of the utility model, a first locking piece is arranged between the divergent lens and the protective lens, the first locking piece is abutted with the divergent lens, and the first locking piece is connected with the lens fixing seat.
As a further improvement of the utility model, a second locking piece is arranged on the inner side wall of the lens fixing seat, the second locking piece is arranged on one side of the focusing lens far away from the diverging lens, and the second locking piece is abutted with the focusing lens.
As a further improvement of the utility model, the adjusting knob is provided with a focusing fixing screw which is in threaded connection with the adjusting knob, and the adjusting fixing screw can be abutted with the outer side wall of the shell.
As a further improvement of the utility model, the outer side wall of the adjusting knob is provided with an anti-slip structure.
As a further improvement of the utility model, the anti-slip structure comprises axial convex strips arranged on the outer side wall of the adjusting knob in an array.
As a further improvement of the utility model, the shell comprises a front cover and an inner shell, one end of the inner shell is inserted into the front cover, a limit boss is arranged on the outer side wall of the inner shell, the adjusting knob is sleeved on the periphery of the inner shell, and two ends of the adjusting knob are respectively connected with the limit boss and the end face of the front cover.
As a further improvement of the utility model, the limiting boss is provided with a first sealing ring, the end face of the front cover is provided with a second sealing ring, and two ends of the adjusting knob are respectively connected with the first sealing ring and the second sealing ring in a sliding sealing manner.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the spiral groove is formed in the adjusting knob, the axial guide hole is formed in the side wall of the shell, and the lens fixing seat is arranged on the adjusting driving piece and extends into the spiral groove after passing through the axial guide hole; the shooting focal length of the camera lens can be adjusted through the cooperation of the spiral groove, the axial guide hole and the adjusting driving piece; therefore, when products with different sizes are processed, the camera lens is not required to be replaced, and only the focal length of the camera lens is required to be adjusted, so that the processing efficiency can be greatly improved, and the use requirements of different processing scenes are met. When the focal length needs to be adjusted, the adjusting knob can be rotated to drive the adjusting driving piece to slide in the spiral groove, the adjusting driving piece is limited by the spiral groove and the axial guide hole in a double mode, and the adjusting driving piece can only move up and down in the axial guide hole to drive the lens fixing seat to move up and down, so that the purpose of adjusting the focal length of the camera lens is achieved.
Drawings
In order to more clearly illustrate the utility model or the solutions of the prior art, a brief description will be given below of the drawings used in the description of the embodiments or the prior art, it being obvious that the drawings in the description below are some embodiments of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of the present utility model;
FIG. 2 is an exploded view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of the internal structure of an embodiment of the present utility model;
Fig. 4 is a schematic structural view of an adjusting knob according to an embodiment of the present utility model.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the described embodiments of the utility model may be combined with other embodiments.
In order to enable those skilled in the art to better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
As shown in fig. 1-4, an adjustable-focus industrial camera lens includes a housing having a lens assembly disposed therein for focusing incident light while emitting the light onto an industrial camera. An adjusting knob 1 is sleeved on the outer side wall of the shell, the adjusting knob 1 is rotatably connected with the shell and used for adjusting the focal length of the camera lens, and a spiral groove 101 is formed in the inner side wall of the adjusting knob 1. The lens subassembly includes lens fixing base 2, and lens fixing base 2 can be at the inside lift slip of casing, is equipped with on the lateral wall of lens fixing base 2 and adjusts driving piece 3, is equipped with axial guiding hole 51 on the lateral wall of casing, adjusts driving piece 3 and stretches into in the helicla flute 101 after passing axial guiding hole 51, but adjust driving piece 3 and helicla flute 101 sliding connection moreover, and adjust knob 1 can drive lens fixing base 2 elevating movement in the casing.
Specifically, when the focal length of the camera lens needs to be adjusted, the user can rotate the adjusting knob 1 to further drive the spiral groove 101 to rotate, the spiral groove 101 can push the adjusting driving piece 3 to slide, the adjusting driving piece 3 is limited by the axial guide hole 51 and can only perform lifting movement in the axial guide hole 51, so that the lens fixing seat 2 is driven to lift and slide in the shell, and the purpose of adjusting the focal length is achieved.
When the adjustable industrial camera lens is used, when products with different sizes are required to be processed, the camera lens does not need to be replaced, and only the focal length of the camera lens is required to be adjusted by rotating the adjusting knob 1, so that the processing efficiency can be greatly improved, and the use requirements of different processing scenes are met.
For ease of assembly, in this embodiment, the housing includes a front cover 4 and an inner housing 5, and one end of the inner housing 5 is inserted into the front cover 4 and fixedly connected with the front cover 4. The axial guide hole 51 is arranged on the inner shell 5, a limit boss 52 is arranged on the outer side wall of the inner shell 5, the adjusting knob 1 is sleeved on the periphery of the inner shell 5, and two ends of the adjusting knob 1 are respectively connected with the limit boss 52 and the end face of the front cover 4. The shell is provided with the inner shell 5 and the front cover 4, so that the adjusting knob 1 is convenient to assemble, and the assembling efficiency is improved.
In order to improve the tightness, a first sealing ring 6 is arranged on the end surface of the limiting boss 52 connected with the adjusting knob 1, a second sealing ring 7 is arranged on the end surface of the front cover 4 connected with the adjusting knob 1, and two ends of the adjusting knob 1 are respectively connected with the first sealing ring 6 and the second sealing ring 7 in a sliding sealing manner. Through setting up first sealing washer 6 and second sealing washer 7, can improve the sealing washer of this camera lens, prevent that foreign matter such as outside dust from entering into in the lens subassembly to prolong the life of lens.
The adjusting knob 1 is provided with a focusing fixing screw 8, the focusing fixing screw 8 is in threaded connection with the adjusting knob 1, the adjusting fixing screw can be in butt joint with the outer side wall of the inner shell 5, and the focusing fixing screw 8 is used for limiting the position of the adjusting knob 1, so that the situation that the shooting is unclear due to the fact that the adjusting knob 1 is touched by mistake during processing is prevented. When focusing is needed, a user can loosen the focusing fixing screw 8, so that the lens fixing seat 2 can be driven to move up and down by rotating the adjusting knob 1, and the focusing purpose is realized; after the adjusting knob is adjusted to a proper position, the adjusting fixing screw is screwed down to be abutted with the outer side wall of the inner shell 5, so that the position of the adjusting knob 1 is limited.
In order to facilitate the rotation of the adjusting knob 1, a plurality of axial raised strips 102 are arranged on the outer side wall of the adjusting knob 1 in an array manner to serve as an anti-slip structure, and when a user holds the adjusting knob 1, the friction force between the adjusting knob 1 and the hand can be increased through the plurality of axial raised strips 102, so that the user can smoothly rotate the adjusting knob 1. In other embodiments, the anti-slip structure on the adjustment knob 1 may be other structures, such as: protective bumps, rubber cleats, and the like.
The inside of the lens fixing seat 2 is provided with a light path channel 21, so that an industrial camera can shoot images below a camera lens, the light path channel 21 is provided with a divergent lens 9 and a focusing lens 10, the divergent lens 9 and the focusing lens 10 are respectively connected with the inner side wall of the lens fixing seat 2, and the divergent lens 9 is arranged above the focusing lens 10. The focusing lens 10 is used for refracting and irradiating divergent light rays incident under the camera lens onto the divergent lens 9, so as to achieve the purpose of focusing; the diverging lens 9 is used for diverging and radiating the light irradiated by the focusing lens 10 into the industrial camera above the camera lens, and receiving the light through the photosensitive film on the industrial camera, thereby acquiring the image information of the shooting position below the camera lens. The camera lens can acquire the image information below the camera lens through the matching of the two lenses of the divergent lens 9 and the focusing lens 10, so that the number of lenses is reduced, and the manufacturing cost of the camera lens can be reduced.
The light path channel 21 is provided with a protective lens 11, the protective lens 11 is connected with the inner side wall of the lens fixing seat 2, and the protective lens 11 is arranged above the divergent lens 9. The protective lens 11 is provided to protect the lower diverging lens 9 from dust, dust and other particulate matters entering the optical path channel 21 to pollute the lens.
A first locking piece 12 is arranged between the divergent lens 9 and the protective lens 11, the first locking piece 12 is abutted with the divergent lens 9, and the first locking piece 12 is connected with the lens fixing seat 2. The first locking piece 12 is used for limiting the installation position of the divergent lenses 9, so that the stability of the structure is improved.
The second locking piece 13 is arranged on the inner side wall of the lens fixing seat 2, the second locking piece 13 is arranged on one side of the focusing lens 10 far away from the diverging lens 9, and the second locking piece 13 is abutted with the focusing lens 10. The second locking piece 13 is used for limiting the installation position of the focusing lens 10, so that the stability of the camera lens structure is improved.
The adjustable-focus industrial camera lens has the beneficial effects that:
1. The light path channel 21 can shoot the image below the camera lens only by installing the divergent lens 9 and the focusing lens 10, so that the number of lenses is reduced, the manufacturing cost and the assembly difficulty of the industrial camera lens can be reduced, and the efficiency is improved.
2. The adjusting knob 1 is rotated to drive the adjusting driving piece 3 to lift and slide in the axial guide hole 51, so as to drive the lens fixing seat 2 to lift and move, and the purpose of focusing the industrial camera lens is achieved; the processing device can meet the requirements of processing products with different sizes and thicknesses, and improves the universality.
3. The mounting positions of the divergent lens 9 and the focusing lens 10 can be limited through the first locking piece 12 and the second locking piece 13, so that the stability of the camera lens structure is improved.
The foregoing embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the utility model, which is defined by the appended claims, but rather by the following claims.
Claims (10)
1. An adjustable-focus industrial camera lens, characterized in that: the lens assembly is arranged in the shell, an adjusting knob is sleeved on the outer side of the shell and is rotatably connected with the shell, and a spiral groove is formed in the inner side wall of the adjusting knob;
The lens assembly comprises a lens fixing seat, an adjusting driving piece is arranged on the outer side wall of the lens fixing seat, an axial guide hole is formed in the side wall of the shell, the adjusting driving piece penetrates through the axial guide hole and then stretches into the spiral groove, the adjusting driving piece is in sliding connection with the spiral groove, and the adjusting knob can drive the lens fixing seat to move up and down in the shell.
2. The adjustable-focus industrial camera lens of claim 1, wherein: the lens fixing seat is internally provided with a light path channel, the light path channel is provided with a divergent lens and a focusing lens, the divergent lens and the focusing lens are respectively connected with the inner side wall of the lens fixing seat, and the divergent lens is arranged above the focusing lens.
3. The adjustable-focus industrial camera lens of claim 2, wherein: the optical path channel is provided with a protective lens, the protective lens is connected with the inner side wall of the lens fixing seat, and the protective lens is arranged above the divergent lens.
4. The adjustable-focus industrial camera lens of claim 3, wherein: the lens fixing device is characterized in that a first locking piece is arranged between the divergent lens and the protective lens and is in butt joint with the divergent lens, and the first locking piece is connected with the lens fixing seat.
5. The adjustable-focus industrial camera lens of claim 2, wherein: the lens fixing seat is characterized in that a second locking piece is arranged on the inner side wall of the lens fixing seat and is arranged on one side, far away from the divergent lens, of the focusing lens, and the second locking piece is abutted to the focusing lens.
6. The adjustable-focus industrial camera lens of any of claims 1-5, wherein: the adjusting knob is provided with a focusing fixing screw which is in threaded connection with the adjusting knob, and the adjusting fixing screw can be abutted to the outer side wall of the shell.
7. The adjustable-focus industrial camera lens of claim 6, wherein: an anti-slip structure is arranged on the outer side wall of the adjusting knob.
8. The adjustable-focus industrial camera lens of claim 7, wherein: the anti-slip structure comprises axial convex strips arranged on the outer side wall of the adjusting knob in an array mode.
9. The adjustable-focus industrial camera lens of claim 6, wherein: the shell comprises a front cover and an inner shell, one end of the inner shell is inserted into the front cover, a limiting boss is arranged on the outer side wall of the inner shell, the adjusting knob is sleeved on the periphery of the inner shell, and two ends of the adjusting knob are respectively connected with the limiting boss and the end face of the front cover.
10. The adjustable-focus industrial camera lens of claim 9, wherein: the limiting boss is provided with a first sealing ring, the end face of the front cover is provided with a second sealing ring, and two ends of the adjusting knob are respectively connected with the first sealing ring and the second sealing ring in a sliding sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323270489.8U CN221039585U (en) | 2023-12-01 | 2023-12-01 | Industrial camera lens capable of focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323270489.8U CN221039585U (en) | 2023-12-01 | 2023-12-01 | Industrial camera lens capable of focusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221039585U true CN221039585U (en) | 2024-05-28 |
Family
ID=91173513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323270489.8U Active CN221039585U (en) | 2023-12-01 | 2023-12-01 | Industrial camera lens capable of focusing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221039585U (en) |
-
2023
- 2023-12-01 CN CN202323270489.8U patent/CN221039585U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |