CN209311759U - Industrial detection conoscope - Google Patents
Industrial detection conoscope Download PDFInfo
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- CN209311759U CN209311759U CN201920157414.3U CN201920157414U CN209311759U CN 209311759 U CN209311759 U CN 209311759U CN 201920157414 U CN201920157414 U CN 201920157414U CN 209311759 U CN209311759 U CN 209311759U
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- pedestal
- microscope group
- conoscope
- screw thread
- industrial detection
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Abstract
The utility model relates to a kind of industrial detection conoscope, the middle microscope group being threadedly coupled including front lens group, with the front lens group and the rear microscope group being flexibly connected by focusing ring with the middle microscope group, the front lens group includes several preceding convex lenses；The middle microscope group includes several middle convex lenses, and the rear microscope group includes several rear convex lenses, rotates the focusing ring and the rear microscope group is driven to be moved forward and backward the spacing realization focusing changed between the middle convex lens and the rear convex lens.The structure design of the industrial detection conoscope is simple, and lens assembly is few, focuses convenient and focuses accurately, the conoscope is small in size and easy to carry.
Description
Technical field
The utility model relates to machine visual lens technical fields, and in particular, to a kind of industrial detection conoscope.
Background technique
With the development of science and technology, the industrial revolution has no longer rested on simple industrialization development level, machine
Vision can replace traditional artificial detection method, the efficiency and effect of industry manufacture be greatly increased, to greatly mention
The product quality in high market, important component of the industrial lens as machine vision, directly affects the overall performance of system.
When conventional industrial lens are used for the spot detection of light beam projecting, the operating distance for needing to project is big, visual field
Angle is small, and distance between lens focusing, and focusing is difficult, need the imaging of multiple mobile industrial camera and its test product camera lens by
The influence on optical diaphragm and visual field periphery is likely to occur distortion, and it is of poor quality that the imaging is not clear, and it is right in production instantly to be unable to satisfy
The requirement of industrial lens imaging clearly.
Existing conoscope is made of between iris diaphragm and objective table one group of lens；What is appeared from polarizer is inclined
Light, tapered polarisation beam of amassing wealth by heavy taxation by conoscope, side are equipped with conoscope elevating screws, with adjust conoscope and objective table it
Between distance.
As shown in Figure 6 and Figure 7, existing lens imaging principle is: the light of light beam is irradiated to optical membrane plate into hot spot void
As the upper mirror image that is refracted in lens again is at real image, the fogging image of imaging, and using the detection of the method, light beam, optics
Eyeglass and camera lens are from left to right sequentially placed, and the space occupied of three is big, and testing cost is high, the angle of departure of different beam angles
So that the spacing of hot spot virtual image forming is different, the different product of detection beam angle needs to readjust the position of test component,
Trouble is caused to tester.
Therefore, a kind of industrial detection conoscope need to be provided, so as to solve the deficiencies in the prior art.
Utility model content
A kind of in order to overcome the deficiencies of the prior art, the utility model provides industrial detection conoscope.
The technical solution of the utility model is as follows:
A kind of industrial detection conoscope, comprising:
Front lens group, the front lens group include several preceding convex lenses；
Middle microscope group, the middle microscope group include several middle convex lenses；
Microscope group afterwards, the rear microscope group include several rear convex lenses；
Wherein, the front lens group is threadedly engaged with the middle microscope group and connect, the middle microscope group and it is described after microscope group respectively with
One focusing ring, which is threadedly coupled, links together the middle microscope group and the rear microscope group, rotates the focusing ring driving rear mirror
Group is moved forward and backward the spacing realization changed between the middle convex lens and the rear convex lens and focuses.
Preferably, the front lens group includes the preceding pedestal with inner cavity, is arranged on inner wall in the inner cavity of the preceding pedestal
There is internal screw thread, the first external screw thread, the internal screw thread and the described first outer spiral shell are provided on the middle pedestal corresponding to the middle microscope group
Line matching, which is threadedly coupled, is fixedly connected with the front lens group with the middle microscope group.
Further, several first steps, each preceding convex lens are offered in the inner cavity of the preceding pedestal on inner wall
Mirror corresponds to each first step position setting.
Preferably, installation connecting plate has also been protruded out on the preceding pedestal, offers several installations on the installation connecting plate
Connecting hole.
Preferably, first through hole is offered on the preceding pedestal, corresponding to also offering the second through-hole on pedestal after described,
The first through hole and second through-hole are used for light transmission.
Preferably, the middle microscope group includes the middle pedestal with inner cavity, is also offered on the inner cavity wall surface of the middle pedestal
Several second steps, each middle convex lens correspond to each second step position setting.
It is preferably located on the cylindrical outer wall face of the middle pedestal upper end and is additionally provided with the second external screw thread, outside described second
Lock ring is threaded on screw thread, the lock ring is used to limit the mobile stroke of the focusing ring.
Preferably, microscope group includes the rear pedestal with inner cavity after described, it is described after pedestal inner cavity on offer several the
Three steps, each rear convex lens are fixedly installed on each third step.
Further, third external screw thread, the focusing are additionally provided on the cylindrical outer wall face of the rear pedestal lower end
The lower end of ring is threadedly engaged with second external screw thread to be connect and the upper end of the focusing ring and the third external screw thread screw thread
It is cooperatively connected and connects the middle pedestal and the rear pedestal, and then the middle microscope group and the rear microscope group activity are connected
It connects.
Preferably, arc card column has also been protruded out in the outside wall surface of the rear pedestal, the arc card column is used for and a camera
It is fixedly connected.
The industrial detection conoscope using the above structure, which is detected, first installs one for the industrial detection conoscope
In CCD camera；The side that a product to be detected is located at the industrial detection conoscope is placed later, and the production to be detected
Spacing between product and the industrial detection conoscope is L3, and L3 is the operating distance of camera lens, the operating distance of camera lens be 3mm~
50mm；The CCD camera is opened, the preceding convex lens of the industrial detection conoscope absorbs the light beam simulation that product to be detected distributes
The distance that hot spot imaging needs forms the hot spot virtual image；The middle convex lens of the industrial detection conoscope and rear convex lens absorb hot spot
The virtual image pools real image and maps in the CCD camera, realize product image to be detected acquisition and to the observation of its image,
Analysis.
Preferably, the size of L3 is more preferably 10mm, and the optimal size of L3 is 5mm.Wherein, product to be detected be with
Distribute the product of light beam.
Preferably, the preceding convex lens of the industrial detection conoscope can absorb light beam light light emitting angle R be 0 °~
160°。
Preferably, the spacing between the position of the hot spot virtual image and the industrial detection conoscope is L2, the size of L2
For 0.2m~10m.
The utility model has the following beneficial effects: compared with prior art, the structure design of the industrial detection conoscope is simple,
Lens assembly is few, and focusing, convenient and lens focusing is accurate, and the conoscope is small in size and easy to carry.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of industrial detection conoscope described in the utility model.
Fig. 2 is the schematic cross-sectional view of industrial detection conoscope described in the utility model.
Fig. 3 is the structural decomposition diagram of industrial detection conoscope described in the utility model.
Fig. 4 is the schematic diagram of industrial detection conoscope described in the utility model detection imaging.
Fig. 5 is the schematic diagram of industrial detection conoscope detection image described in the utility model.
Fig. 6 is the schematic diagram of prior art lens imaging detection.
Fig. 7 is the schematic diagram of prior art lens imaging image.
Specific embodiment
In order to make the goal of the invention of the utility model, technical solution and technical effect are more clearly understood, below with reference to tool
Body embodiment is described further the utility model.It should be understood that specific embodiment described herein, be only used for explaining
The utility model is not used to limit the utility model.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
Please refer to Fig. 1 to Fig. 3, the industrial detection conoscope of the utility model, including front lens group 100, middle microscope group 200 and after
Microscope group 300, the front lens group 100 match connection, the middle microscope group 200 of the other end and institute with one end of the middle microscope group 200
State the rear matching of microscope group 300 connection.In the present embodiment, the front lens group 100 is threadedly engaged with the middle microscope group 200 and connect institute
Front lens group 100 is stated to be fixed together with the middle microscope group 200, the middle microscope group 200 and it is described after microscope group 300 respectively with one
Focusing ring 400, which is threadedly coupled, links together the middle microscope group 200 and the rear microscope group 300.
Referring to figure 2., the front lens group 100 includes having the preceding pedestal 110 of inner cavity and being set to the preceding pedestal 110
Front lens group 120 in inner cavity offers several first steps 111 on inner wall in the inner cavity of the preceding pedestal 110, corresponds to
The front lens group 120 includes the preceding convex lens 121 of quantity of matching with the first step 111.Specifically, the preceding pedestal
110 one end opens up the first step 111 there are three annular shape, using the direction of Fig. 2 view as reference, from top to bottom
The diameter of three first steps 111 is gradually increased, and fixed placement has the lordosis on each first step 111
Lens 121.One end of the preceding pedestal 110 offers first through hole 130, is provided on the preceding pedestal 110 of the other end interior
Screw thread 112 is provided with the first external screw thread 211 on the middle pedestal corresponding to the middle microscope group 200；First external screw thread 122 with
The internal screw thread 112 is threadedly engaged connection and is fixedly connected with the front lens group 100 with the middle microscope group 200.In the present embodiment,
Installation connecting plate 140 has also been protruded out in the front lens group 100, offers several installation connecting holes on the installation connecting plate 140
141。
Referring to figure 2., the middle microscope group 200 includes having the middle pedestal 210 of inner cavity and being set to the middle pedestal 210
Middle lens group 220 in inner cavity also offers several second steps 212 on the inner wall of middle 210 inner cavity of pedestal, corresponds to
The middle lens group 220 includes the middle convex lens 221 of quantity of matching with the second step 212.Specifically, with Fig. 2 view
Direction as reference, the middle pedestal 210 successively opens up the second step 212 there are two annular shape from top to bottom.
The second external screw thread 213 is additionally provided on the cylindrical outer wall face of middle 210 upper end of pedestal, on second external screw thread 213
It is threaded with lock ring 230.Wherein, the lock ring 230 is mainly used for limiting the mobile stroke of the focusing ring 400.
Referring to figure 2. and Fig. 3, after described microscope group 300 include have the rear pedestal 310 of inner cavity and be set to it is described after base
Seat 310 inner cavities in rear lens group 320, it is described after 310 inner cavity of pedestal inner wall on also offer several third steps 311,
It include the rear convex lens 321 of quantity of matching with the third step 311 corresponding to the rear lens group 320.Specifically, to scheme
As reference, the third step 311 successively opens up the third platform there are two annular shape from top to bottom in the direction of 2 views
Rank 311.Third external screw thread 312 is additionally provided on the cylindrical outer wall face of rear 310 lower end of pedestal.Specifically, the tune
Burnt ring 400 is sheathed on the middle pedestal 210 and the rear pedestal 310.The lower end of the focusing ring 400 and the described second outer spiral shell
Line 213 is threadedly engaged connection, the upper end of the focusing ring 400 be threadedly engaged with the third external screw thread 312 connect will be described in
Pedestal 210 and the rear pedestal 310 connect, and then the middle microscope group 200 and the rear microscope group 300 are linked together.
Wherein, the second through-hole 330 is offered on the rear pedestal 310.
The focusing principle of the industrial detection conoscope is: rotating the focusing ring 400 and drives rear about 310 pedestal
Movement realizes the focusing of conoscope to change the spacing between the rear lens group 320 and the middle microscope group 220.The structure
Focusing lens can be made to achieve the purpose that micromation, can more reduce production conoscope material cost, and then reduce conoscope
Cost of manufacture, increase the market competitiveness.
Fig. 1 and Fig. 3 are please referred to, has also protruded out arc card column 313, the arc on the cylindrical outer wall face of the rear pedestal 310
The design of shape card column 313 is mainly used for being fixedly connected with a camera.In the present embodiment, the camera is preferably CCD phase
Machine.
The structure design of the industrial detection conoscope of the utility model is simple, and lens assembly is few, convenient and camera lens of focusing
Spacing of focusing is short, and focusing focusing is accurate, and the conoscope is small in size and easy to carry.
Referring to figure 4., the industrial detection conoscope detection light beam product based on above-mentioned record structure first will be described
Industrial detection conoscope is installed in a CCD camera 101；A product 102 to be detected is located at the industrial detection conoscope later
Side place, and the spacing between the product to be detected and the industrial detection conoscope be L3, L3 be camera lens work
Make distance, the operating distance of camera lens is 3mm~50mm；Open the CCD camera 103, the lordosis of the industrial detection conoscope
Lens 121 absorb the distance that the light beam simulation hot spot imaging that product to be detected distributes needs and form the hot spot virtual image；The industry inspection
The middle convex lens and the intake hot spot virtual image of rear convex lens for surveying conoscope pool real image and map in the CCD camera 103, realize
The acquisition of product image to be detected and to the observation of its image, analysis.
Product to be detected is with the product for distributing light beam, such as car light.If Fig. 4 is compared with Fig. 6, using the industrial detection
The product to be checked and the distance between the conoscope of conoscope detection are short, can be reduced detection device occupied area, examine convenient for user
It surveys.
The size of L3 is more preferably 10mm, and the optimal size of L3 is 5mm.
The light emitting angle R that the preceding convex lens of the industrial detection conoscope can absorb light beam light is 0 °~160 °.It is more excellent
Selection of land, the angle of R are 120 °, and optimally, the angle of R is 80 °.It can be absorbed using the imaging detection method testing product wider
Light, it is versatile.
Spacing between the position of the hot spot virtual image and the industrial detection conoscope is L2, the size of L2 be 0.2m~
10m, preferably, the size of L2 are 0.7m, and optimally, the size of L2 is 0.35m.
The conoscope is pacified using the industrial detection conoscope testing product of foregoing description with Fig. 5 referring to figure 4.
In a CCD camera, convenient for focusing, focusing is clear, the imaging of testing product be in CCD camera not in the prior art
Optical diaphragm at being refracted to again after the hot spot virtual image in CCD camera into real image, pass through industrial detection conoscope acquisition figure
Picture it is clear-cut, convenient for observation detection.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, architectural form cans be flexible and changeable, and can be produced with subseries
Product.Several simple deduction or replace are only made, it is true by the claims submitted all to shall be regarded as belonging to the utility model
Fixed scope of patent protection.
Claims (7)
1. a kind of industrial detection conoscope characterized by comprising
Front lens group, the front lens group include several preceding convex lenses；
Middle microscope group, the middle microscope group include several middle convex lenses；
Microscope group afterwards, the rear microscope group include several rear convex lenses；
Wherein, one end of the middle microscope group is screwed with the front lens group connect, and the middle microscope group of the other end is adjusted by one
Microscope group screw thread is flexibly connected after described in Jiao Huanyu, is rotated the focusing ring driving rear microscope group back-and-forth motion and is changed the convexity
Spacing between lens and the rear convex lens, which is realized, focuses.
2. industrial detection conoscope according to claim 1, which is characterized in that the middle microscope group further includes having inner cavity
Middle pedestal is additionally provided with the second external screw thread on the cylindrical outer wall face of the middle pedestal upper end；Also corresponding to the rear microscope group
Including the rear pedestal with inner cavity, third external screw thread is additionally provided on the cylindrical outer wall face of the rear pedestal lower end；
The lower end of the focusing ring is threadedly engaged with second external screw thread to be connect and the upper end of the focusing ring and described the
Three external screw threads be threadedly engaged connection by the middle pedestal and it is described after pedestal connect, and then by the middle microscope group and it is described after
Microscope group is flexibly connected.
3. industrial detection conoscope according to claim 2, which is characterized in that the front lens group includes before having inner cavity
Pedestal is provided with internal screw thread on inner wall in the inner cavity of the preceding pedestal, is provided on the middle pedestal corresponding to the middle microscope group
First external screw thread, the internal screw thread match threaded connection with first external screw thread and fix the front lens group and the middle microscope group
Connection.
4. industrial detection conoscope according to claim 3, which is characterized in that in the inner cavity of the preceding pedestal on inner wall
Several first steps are offered, each preceding convex lens corresponds to each first step position setting.
5. industrial detection conoscope according to claim 3 or 4, which is characterized in that also protruded out peace on the preceding pedestal
Load fishplate bar offers several installation connecting holes on the installation connecting plate；
First through hole is offered on the preceding pedestal, corresponding to the second through-hole is also offered on the rear pedestal, described first is logical
Hole and second through-hole are used for light transmission.
6. industrial detection conoscope according to claim 2, which is characterized in that be threaded on second external screw thread
Lock ring, the lock ring are used to limit the mobile stroke of the focusing ring.
7. the industrial detection conoscope according to claim 2 or 6, which is characterized in that opened up on the inner cavity of pedestal after described
There are several third steps, each rear convex lens is fixedly installed on each third step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157414.3U CN209311759U (en) | 2019-01-28 | 2019-01-28 | Industrial detection conoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157414.3U CN209311759U (en) | 2019-01-28 | 2019-01-28 | Industrial detection conoscope |
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| CN209311759U true CN209311759U (en) | 2019-08-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814225A (en) * | 2019-01-28 | 2019-05-28 | 东莞敏威光电科技有限公司 | Industrial detection conoscope and its imaging detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814225A (en) * | 2019-01-28 | 2019-05-28 | 东莞敏威光电科技有限公司 | Industrial detection conoscope and its imaging detection method |
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