CN202649134U - Bottle cap quality detection device - Google Patents
Bottle cap quality detection device Download PDFInfo
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- CN202649134U CN202649134U CN 201220271257 CN201220271257U CN202649134U CN 202649134 U CN202649134 U CN 202649134U CN 201220271257 CN201220271257 CN 201220271257 CN 201220271257 U CN201220271257 U CN 201220271257U CN 202649134 U CN202649134 U CN 202649134U
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- bottle cap
- catoptron
- upper reflector
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Abstract
The utility model discloses a bottle cap quality detection device, comprising a camera, a reflecting mirror system and an illumination light source, wherein the illumination light source for lighting a part, to be detected, of a bottle cap is arranged above a bottle cap quality detection position arranged on a bottle cap conveyer, the reflecting mirror system for reflecting a bottle cap image is arranged above the illumination light source, the camera for photographing the bottle cap through the reflecting mirror system is arranged above the reflecting mirror system, and control ends of the camera and the illumination light source are connected with a control end of a computer control system. According to the utility model, by means of lighting the part, to be detected, of the bottle cap through the illumination light source and shooting the bottle cap image by the single camera via the reflecting mirror system, the quality detection of the bottle cap is realized, and by reasonable design of the reflecting mirror system, the bottle cap quality detection device can be used to shoot images of the bottle cap by 360 degrees in a manner with no dead corner, so that the omnibearing detection of defects of the bottle cap is realized.
Description
Technical field
The utility model relates to a kind of bottle cap quality detection device, belongs to bottle cap quality testing field.
Background technology
In the bottle cap production run, the outward appearance of bottle cap can occur inevitably usually can existing on the interior lateral wall of various mass defects, particularly bottle cap draw bad, lack the defectives such as material, scuffing, wrinkle.
And present most of bottle cap manufacturing enterprise still also adopts artificial order choosing and selects the detection method that combines by hand, and not only there is the problem that the testing staff is many, enterprise cost is high in this detection method, also has the problems such as undetected, flase drop, secondary damage.And this detection method is the offline inspection mode, can greatly increase to produce the required time, impacts for normal enterprise operation.
Present existing conventional bottle cap pick-up unit generally adopts two kinds of detection methods.A kind of method is to furnish industrial camera in a plurality of angles, each camera is taken a part of side wall image of bottle cap, then obtain bottle cap integral side walls information by stitching image, still, there is cost problem higher and that the detection station of production line is had relatively high expectations in the method.Another kind method is to use an industrial camera to take in the fixed position, bottle cap is being taken station self rotation at least 360 degree, camera multi collect bottle cap side wall image, thereby detection system is carried out Treatment Analysis to the image that gathers frame by frame, finally draw testing result, but, the transmission speed of the method meeting limit production line, and require higher to the mechanical drive of production line.
The utility model content
The purpose of this utility model is to provide a kind of bottle cap quality detection device, and this bottle cap quality detection device uses single camera to cooperate mirror system and lighting source that bottle cap is carried out 360 degree without the dead angle capture, so that bottle cap is carried out comprehensive detection.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of bottle cap quality detection device, it is characterized in that: it comprises camera, mirror system, lighting source, wherein: this lighting source that is used for illuminating bottle cap position to be detected is arranged on the top of the bottle cap quality testing position that the bottle cap conveyer is provided with, the top of this lighting source is provided with this mirror system of reflection bottle cap image, the top of this mirror system is provided with this camera of bottle cap being taken via this mirror system, and the control end of this camera, lighting source links to each other with the control end of computer control system.
Described camera is face battle array industrial camera.Described lighting source is the ring illumination light source.
Described mirror system comprises upper reflector member and lower reflector elements, this upper reflector member is positioned at the top of this time reflector elements, this upper reflector member is made of N upper reflector, this time reflector elements is made of N lower catoptron, wherein: corresponding this time catoptron consists of one group of catoptron in this upper reflector in this upper reflector member and this time reflector elements, and every group of catoptron taken the image of appropriate section on the bottle cap.Described N is more than or equal to 3.
For described every group of catoptron, described upper reflector is positioned at the inboard of described lower catoptron, the reflecting surface of described lower catoptron is towards being positioned at the locational bottle cap of described bottle cap quality testing, the travelling belt plane of the residing described bottle cap conveyer of the reflecting surface of described lower catoptron and described bottle cap quality testing position rectangular or acute angle or obtuse angle, the reflecting surface of described upper reflector is relative with the reflecting surface of described lower catoptron, the travelling belt plane of the residing described bottle cap conveyer of the reflecting surface of described upper reflector and described bottle cap quality testing position in obtuse angle, the relative set between described upper reflector and described lower catoptron makes the bottle cap image of reflection complete.
The travelling belt angle that the plane is of the residing described bottle cap conveyer of the reflecting surface of described lower catoptron and described bottle cap quality testing position is between 75 degree and 100 degree, and the travelling belt angle that the plane is of the residing described bottle cap conveyer of the reflecting surface of described upper reflector and described bottle cap quality testing position is between 115 degree and 130 degree.
The optical axis of the central shaft of the central shaft of described lighting source, described upper reflector member, the central shaft of described lower reflector elements, described camera is coaxial, this axis is perpendicular to the travelling belt plane of the residing described bottle cap conveyer in described bottle cap quality testing position and run through the center of described bottle cap quality testing position, described N upper reflector axle centered by this axis of described upper reflector member distributes symmetrically, and the described N of described lower reflector elements lower catoptron axle centered by this axis distributes symmetrically.
Described every group of catoptron so that the bottle cap image that described camera photographs for take the bottle cap center as the center of circle, central angle 90 the degree to 120 the degree between image.
Described upper reflector and described lower catoptron are level crossing or prism.
The utlity model has following advantage:
The utility model illuminates bottle cap position to be detected by lighting source, use single camera via mirror system picked-up bottle cap image, realized the quality testing to bottle cap, by the appropriate design mirror system, can make the utility model that bottle cap is realized 360 degree without the dead angle capture, realization is to the comprehensive detection of bottle cap defective.
Description of drawings
Fig. 1 is the schematic perspective view of the first embodiment of the present utility model;
Fig. 2 is the schematic top plan view (not shown camera) of the first embodiment of the present utility model;
Fig. 3 is principle of work explanation synoptic diagram of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the utility model bottle cap quality detection device is installed in the bottle cap quality testing position that bottle cap conveyer 50 is provided with, it comprises camera 10, mirror system, lighting source 40, wherein: this lighting source 40 that is used for illuminating bottle cap 60 positions to be detected is arranged on the top of the bottle cap quality testing position that bottle cap conveyer 50 is provided with, the top of this lighting source 40 is provided with this mirror system of reflection bottle cap image, the top of this mirror system is provided with this camera 10 of bottle cap 60 being taken via this mirror system, this camera 10, the control end of lighting source 40 links to each other with the control end of computer control system (not shown).
When actual design, camera 10 is chosen as face battle array industrial camera, and the irradiation target surface of camera 10 is towards bottle cap quality testing position and be parallel to the travelling belt plane of the residing bottle cap conveyer 50 in bottle cap quality testing position.
When actual design, lighting source 40 can be the ring illumination light source, and as depicted in figs. 1 and 2, it is the middle part hollow structure, can not hinder light transmission.The ring illumination light source of choosing in the utility model can evenly illuminate bottle cap 60 positions to be detected, and can eliminate because the bright band that the light source projection that bottle cap 60 surperficial mirror-reflections cause produces avoids impact to detect effect.
Such as Fig. 1, mirror system comprises upper reflector member and lower reflector elements, this upper reflector member is positioned at the top of this time reflector elements, this upper reflector member is made of N upper reflector 21, this time reflector elements is made of N lower catoptron 31, wherein: the image of appropriate section on one group of catoptron of corresponding this time catoptron 31 formations in one in this upper reflector member this upper reflector 21 and this time reflector elements, every group of catoptron shooting bottle cap 60.It should be noted that, the quantity of upper reflector 21 should equal the quantity of lower catoptron 31, each upper reflector 21 is corresponding one by one with corresponding lower catoptron 31 respectively, upper reflector 21 and lower catoptron 31 relative set in every group, N is desirable to be positive integer more than or equal to 3(N), for example, can consist of 3 groups, 4 groups, 6 groups, 8 groups catoptrons in the utility model.Upper reflector 21 and lower catoptron 31 can be selected level crossing or prism.
And for every group of catoptron, such as Fig. 1 to Fig. 3, upper reflector 21 is positioned at the inboard of lower catoptron 31, the reflecting surface of lower catoptron 31 is towards being positioned at the locational bottle cap 60 of bottle cap quality testing, the travelling belt plane of the residing bottle cap conveyer 50 of the reflecting surface of lower catoptron 31 and bottle cap quality testing position rectangular or acute angle or obtuse angle, the reflecting surface of upper reflector 21 is relative with the reflecting surface of lower catoptron 31, the travelling belt plane of the residing bottle cap conveyer 50 of the reflecting surface of upper reflector 21 and bottle cap quality testing position in obtuse angle, the relative set that upper reflector 21 and lower catoptron are 31 should make the bottle cap image of reflection complete.Preferably, the travelling belt angle that the plane is of the residing bottle cap conveyer 50 of the reflecting surface of lower catoptron 31 and bottle cap quality testing position is between 75 degree and 100 degree, and the travelling belt angle that the plane is of the residing bottle cap conveyer 50 of the reflecting surface of upper reflector 21 and bottle cap quality testing position is between 115 degree and 130 degree.
When actual design, such as Fig. 3, can make the central shaft of lighting source 40, the central shaft of upper reflector member, the central shaft of lower reflector elements, the optical axis of camera 10 is coaxial, this axis L is perpendicular to the travelling belt plane of the residing bottle cap conveyer 50 in bottle cap quality testing position and run through the center O of bottle cap quality testing position, the N of a upper reflector member upper reflector 21 axle centered by this axis L distributes symmetrically, the N of lower reflector elements lower catoptron 31 axle centered by this axis L distributes symmetrically, can guarantee so respectively to organize the bottle cap picture centre symmetry that catoptron gathers, and enlargement ratio is identical, is convenient to each bottle cap image that gathers is unified to detect.
Preferably, every group of catoptron so that the bottle cap image that camera 10 photographs for take bottle cap 60 centers as the center of circle, central angle at 90 degree to the image between 120 degree, just can realize that to bottle cap 60 360 degree without the dead angle capture, can carry out comprehensive detection to the bottle cap defective like this, not exist undetected.It should be noted that N is larger, the bottle cap doubling of the image part that the two adjacent groups catoptron obtains is just more.
The below illustrates the utility model as an example of 6 groups of catoptrons example.
Such as Fig. 1 and Fig. 2, the utility model among the figure comprises camera 10, mirror system, lighting source 40, wherein: lighting source 40 is the ring illumination light source, mirror system comprises that 6 upper reflector 21(that axle distributes symmetrically centered by axis L have formed six prism-frustum-shapeds) and axle distributes symmetrically centered by axis L 6 lower catoptron 31(6 lower catoptrons 31 interval same distance each other) 6 groups of catoptrons consisting of, the travelling belt plane of the residing bottle cap conveyer 50 of the reflecting surface of lower catoptron 31 and bottle cap quality testing position is rectangular, the travelling belt plane of the residing bottle cap conveyer 50 of the reflecting surface of upper reflector 21 and bottle cap quality testing position in obtuse angle, every group of catoptron can photograph take bottle cap 60 centers as the center of circle, the image of about 90 degree of central angle.If bottle cap is right cylinder, and the bottle cap end face is positioned on the travelling belt down and transmits, then when bottle cap 60 is sent to bottle cap quality testing position, by the catoptron of respectively organizing in the utility model 360 of bottle cap 60 sidewalls, inwall spent comprehensive reflection, can so that sidewall and the inwall of 10 pairs of bottle caps 60 of camera are taken, by sidewall and the inwall image of taking the bottle cap quality be detected.
Such as Fig. 1 to Fig. 3, principle of work of the present utility model is:
If making bottle cap to be detected 60 end faces be positioned on the travelling belt of bottle cap conveyer 50 up transmits, then when bottle cap 60 reaches bottle cap quality testing position, computer control system control camera 10 gathers the bottle cap image, this moment, lighting source 40 was open mode, shown in Fig. 3 is the situation that bottle cap sidewall and bottle cap top plane view picture (bottle cap sidewall and end face can be referred to as the bottle cap outer wall) are gathered, in practice, can be selectively bottle cap sidewall or bottle cap end face or bottle cap outer wall be carried out quality testing.
Particularly, every group of catoptron in 6 groups of catoptrons gathers take bottle cap 60 centers as the center of circle separately, the corresponding bottle cap image of about 90 degree of central angle, therefore, there is overlapping region at the edge of 6 bottle cap images that collect, can realize 360 degree imagings of 10 pairs of bottle caps 60 of single camera.For one group of catoptron, example is one group of catoptron as shown in Figure 3, and this group catoptron via upper reflector 21 and lower catoptron 31 form can carry out capture to A point on the bottle cap among the figure 60 to the bottle cap surf zone that comprises between the B point.Such as Fig. 3, lighting source 40(ring illumination light source) incident ray is through the A on the bottle cap 60, B point A1, the B1 point of surface reflection to the lower catoptron 31 respectively, then through A2, the B2 point of lower catoptron 31 mirror-reflections to the upper reflector 21, then A3, the B3 point that shines on the target surfaces to camera 10 through upper reflector 21 mirror-reflections, thus camera 10 is realized the final imaging of A point on the bottle cap 60 to the bottle cap surf zone that comprises between the B point.
After camera 10 collects 6 images of bottle cap via 6 groups of catoptrons, send image to computer control system, thereby computer control system is carried out Treatment Analysis according to the image that receives, bottle cap sidewall, end face defective are judged, realization is checked on to the bottle cap quality, the most at last the bad product inspection rejects.
In the utility model, computer control system is known technology, does not here describe in detail.
The utlity model has following advantage:
The utility model illuminates bottle cap position to be detected by lighting source, use single camera via mirror system picked-up bottle cap image, realized the quality testing to bottle cap, by the appropriate design mirror system, can make the utility model that bottle cap is realized 360 degree without the dead angle capture, realization is to the comprehensive detection of bottle cap defective.
Transmit if the bottle cap end face is positioned on the travelling belt up, then the utility model can carry out quality testing to bottle cap sidewall and bottle cap end face, if the bottle cap end face is positioned on the travelling belt down transmits, then the utility model can carry out quality testing to bottle cap sidewall and bottle cap inwall.
The utility model is not only applicable to the quality testing to bottle cap, also is applicable to the quality testing of central shaft symmetry or the axisymmetric object of approximate center.When practical application, according to the size of object to be detected (long-pending such as side surface, height etc.) to mirror system (formation of mirror system and distribution etc., height, reflecting surface angle such as upper and lower catoptron), camera (putting and parameter etc. of camera, height such as camera), lighting source (such as the putting of lighting source, size etc.) etc. carries out appropriate design, can realize carrying out quality testing by obtaining object to be detected 360 degree without the dead angle image.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that does not deviate from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on the technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (10)
1. bottle cap quality detection device, it is characterized in that: it comprises camera, mirror system, lighting source, wherein:
This lighting source that is used for illuminating bottle cap position to be detected is arranged on the top of the bottle cap quality testing position that the bottle cap conveyer is provided with, the top of this lighting source is provided with this mirror system of reflection bottle cap image, the top of this mirror system is provided with this camera of bottle cap being taken via this mirror system, and the control end of this camera, lighting source links to each other with the control end of computer control system.
2. bottle cap quality detection device as claimed in claim 1 is characterized in that:
Described camera is face battle array industrial camera.
3. bottle cap quality detection device as claimed in claim 1 is characterized in that:
Described lighting source is the ring illumination light source.
4. such as claim 1 or 2 or 3 described bottle cap quality detection devices, it is characterized in that:
Described mirror system comprises upper reflector member and lower reflector elements, this upper reflector member is positioned at the top of this time reflector elements, this upper reflector member is made of N upper reflector, this time reflector elements is made of N lower catoptron, wherein: corresponding this time catoptron consists of one group of catoptron in this upper reflector in this upper reflector member and this time reflector elements, and every group of catoptron taken the image of appropriate section on the bottle cap.
5. bottle cap quality detection device as claimed in claim 4 is characterized in that:
Described N is more than or equal to 3.
6. bottle cap quality detection device as claimed in claim 4 is characterized in that:
For described every group of catoptron, described upper reflector is positioned at the inboard of described lower catoptron, the reflecting surface of described lower catoptron is towards being positioned at the locational bottle cap of described bottle cap quality testing, the travelling belt plane of the residing described bottle cap conveyer of the reflecting surface of described lower catoptron and described bottle cap quality testing position rectangular or acute angle or obtuse angle, the reflecting surface of described upper reflector is relative with the reflecting surface of described lower catoptron, the travelling belt plane of the residing described bottle cap conveyer of the reflecting surface of described upper reflector and described bottle cap quality testing position in obtuse angle, the relative set between described upper reflector and described lower catoptron makes the bottle cap image of reflection complete.
7. bottle cap quality detection device as claimed in claim 6 is characterized in that:
The travelling belt angle that the plane is of the residing described bottle cap conveyer of the reflecting surface of described lower catoptron and described bottle cap quality testing position is between 75 degree and 100 degree, and the travelling belt angle that the plane is of the residing described bottle cap conveyer of the reflecting surface of described upper reflector and described bottle cap quality testing position is between 115 degree and 130 degree.
8. bottle cap quality detection device as claimed in claim 6 is characterized in that:
The optical axis of the central shaft of the central shaft of described lighting source, described upper reflector member, the central shaft of described lower reflector elements, described camera is coaxial, this axis is perpendicular to the travelling belt plane of the residing described bottle cap conveyer in described bottle cap quality testing position and run through the center of described bottle cap quality testing position, described N upper reflector axle centered by this axis of described upper reflector member distributes symmetrically, and the described N of described lower reflector elements lower catoptron axle centered by this axis distributes symmetrically.
9. bottle cap quality detection device as claimed in claim 8 is characterized in that:
Described every group of catoptron so that the bottle cap image that described camera photographs for take the bottle cap center as the center of circle, central angle 90 the degree to 120 the degree between image.
10. bottle cap quality detection device as claimed in claim 4 is characterized in that:
Described upper reflector and described lower catoptron are level crossing or prism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271257 CN202649134U (en) | 2012-06-08 | 2012-06-08 | Bottle cap quality detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220271257 CN202649134U (en) | 2012-06-08 | 2012-06-08 | Bottle cap quality detection device |
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| CN202649134U true CN202649134U (en) | 2013-01-02 |
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| CN 201220271257 Expired - Fee Related CN202649134U (en) | 2012-06-08 | 2012-06-08 | Bottle cap quality detection device |
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| CN103499586A (en) * | 2013-09-10 | 2014-01-08 | 上海东富龙科技股份有限公司 | Penicillin bottle head detection device for lamp inspection machine |
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| CN103499586B (en) * | 2013-09-10 | 2017-01-04 | 上海东富龙科技股份有限公司 | A kind of cillin bottle head detection device for lamp inspection machine |
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| CN110207616B (en) * | 2019-06-17 | 2024-02-20 | 德州深华光电科技有限公司 | Shooting device based on reflection light path |
| CN112345551A (en) * | 2020-11-05 | 2021-02-09 | 菲特（天津）检测技术有限公司 | Method and system for detecting surface defects of inner wall and outer wall of aircraft conduit bell mouth |
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