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CN208140601U - A kind of bottle embryo bottle holder on-line detection device of defects - Google Patents

A kind of bottle embryo bottle holder on-line detection device of defects Download PDF

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Publication number
CN208140601U
CN208140601U CN201820736038.9U CN201820736038U CN208140601U CN 208140601 U CN208140601 U CN 208140601U CN 201820736038 U CN201820736038 U CN 201820736038U CN 208140601 U CN208140601 U CN 208140601U
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China
Prior art keywords
light source
bottle embryo
bottle
detected
embryo
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CN201820736038.9U
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Chinese (zh)
Inventor
李勃
单炳正
江大林
董蓉
王雪
赵鹏
杨凯歌
梁振华
陈和国
黄璜
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Nanjing Huichuan Image Visual Technology Co Ltd
NANJING HUICHUAN INDUSTRIAL VISUAL TECHNOLOGY DEVELOPMENT Co Ltd
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Nanjing Huichuan Image Visual Technology Co Ltd
NANJING HUICHUAN INDUSTRIAL VISUAL TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

A kind of bottle embryo bottle holder on-line detection device of defects, including camera, telecentric lens, annular light source, Gripping platform, bar shaped linear light source and point light source, the telecentric lens are mounted on camera, Gripping platform is for gripping bottle embryo to be detected, telecentric lens and annular light source are set gradually from top to bottom right above bottle embryo to be detected, annular light source light-emitting surface is towards bottle embryo to be detected, strip line source symmetric is arranged in bottle embryo two sides to be detected, stripe shape linear light source is for illuminating the part that bottle embryo to be detected is in contact with Gripping platform, point light source is arranged immediately below bottle embryo to be detected, for illuminating bottle embryo to be detected from below.The utility model realizes the bottle embryo bottle holder defect automatic on-line detection of higher speed, apparatus structure is simple, and cost reduces by the cooperation of high frame per second camera and object space telecentricity industrial lens and higher source luminance.

Description

A kind of bottle embryo bottle holder on-line detection device of defects
Technical field
The utility model belongs to technical field of machine vision, is related to detection application of the machine vision in industrial production line, For a kind of bottle embryo bottle holder on-line detection device of defects.
Background technique
With the improvement of people's living standards, nowadays product-filled market demand is also continuously increased, such as edible oil, respectively Kind of beverage, various drinks etc., as goods support, the quality of Packaging Bottle just becomes asking for production firm and consumer's concern Topic.And the quality of Packaging Bottle appearance directly or indirectly influences the quality of its internal product, so in order to reduce rejected product Quantity needs to increase detection process.Carry out appearance test and product labelling by manually, labor intensity is high, cost is big and It is easy to appear careless omission.
Through retrieving, there is presently no the related patents or technology that are directed to bottle embryo bottle holder defects detection to disclose.In consideration of it, how Realize that a kind of detection accuracy is high, the on-line measuring device and method for detecting fireballing bottle embryo bottle holder defect are to need to solve at present The technical issues of.
Summary of the invention
The technical problems to be solved in the utility model is:The not automatic detection for bottle embryo bottle holder quality of existing production line Device, product quality, which lacks, to be ensured, is not able to satisfy industrial demand.
The technical solution of the utility model is:A kind of bottle embryo bottle holder on-line detection device of defects, including camera, telecentric mirror Head, annular light source, Gripping platform, bar shaped linear light source and point light source, the telecentric lens are mounted on camera, and Gripping platform is used for It is in a vertical state to grip bottle embryo to be detected, sets gradually telecentric lens and ring from top to bottom right above bottle embryo to be detected Shape light source, annular light source light-emitting surface are arranged towards bottle embryo to be detected, strip line source symmetric in bottle embryo two sides to be detected, molded line Light source is arranged immediately below bottle embryo to be detected for illuminating the part that bottle embryo to be detected is in contact with Gripping platform, point light source, uses In illuminating bottle embryo to be detected from below.
It is preferred that the camera is the black and white camera of frame per second 20fps~50fps.
It is preferred that telecentric lens are the object space telecentricity industrial lens of focal length 330mm, it is arranged in bottle embryo to be detected At square 330mm.
It is preferred that annular light source is the White LED light source of light source power 30W, apart from bottle embryo upper surface to be detected 35 ± 8mm is adjustable, and light and horizontal angle are 10 °~30 °, light source center and bottle embryo to be detected concentrically axis.
It is preferred that Gripping platform surface is coated with chromansil layer, and make smooth treatment, so that Gripping platform surface For a mirror-reflection, the light of annular light source can be reflected into other regions and be unlikely to enter the visual field of camera, reduce gold Belong to the reflective influence to detection of platform surface.
It is preferred that bar shaped linear light source is made of the cylindrical lens with focusing function with strip source, strip line The light of light source and horizontal angle are 25 °~45 °, the bottleneck upper surface 15mm of strip line light source distance bottle embryo to be detected.
It is preferred that point light source is the White LED light source of light source power 6W, light source center and bottle embryo to be detected altogether in Mandrel line, the upward divergent irradiation of the light of point light source bottle embryo to be detected.
It is preferred that the position of point light source is adjusted according to the size of different bottle-type, the light source of point light source is kept to be emitted Face to bottle embryo bottom distance in 20-40mm.
It is preferred that the light source exit end of point light source is equipped with condenser lens, so that the light that point light source issues arrives The periphery of bottleneck will not be diffused to when up to bottleneck.
The utility model bottle embryo bottle holder is in contact with metal Gripping platform respectively using bar shaped linear light source and point light source and Hanging part is illuminated, and the light for reflecting bottle holder position is able to enter the visual field of camera, and the annular light source above bottle embryo plays The effect of light filling, so that one week brightness uniformity of bottle holder, finally acquires image by camera lens, it can be according to existing machine vision Image detecting technique detects bottle embryo bottle holder defect.
Technical solution provided by the utility model, has the advantages that:
(1) the utility model is realized at high speed by the cooperation of high frame per second camera and higher source luminance and telecentric lens Bottle embryo bottle holder defect online automatic detection.
(2) the utility model uses the combination polishing mode of the bar shaped linear light source and point light source and annular light source, It can accomplish that the detected part of bottle embryo bottle holder can uniformly be illuminated by light source, bayonet type and screw-type bottle can be compatible with simultaneously Embryo bottle holder, structure is simple, and cost reduces.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the isometric side structure schematic view of the utility model.
Specific embodiment
The utility model is mainly for the detection of transparent wrapper bottle, and Packaging Bottle includes bottle embryo and bottle holder, and bottle holder refers to here It is the wider part protruded of bottleneck and body junction, generally common beverage bottle and edible oil bottle can all have on the market.For The content for further appreciating that the utility model, is in conjunction with the accompanying drawings and embodiments described in detail the utility model.
Referring to Fig. 1, a kind of bottle embryo bottle holder defect of the present embodiment examines on-line detecting system, including camera 1, telecentric lens 2, Annular light source 3, bar shaped linear light source 5 and point light source 7, the telecentric lens 2 are mounted on camera 1, right above bottle embryo 6 to be detected Telecentric lens 2, annular light source 3, bar shaped linear light source 5 and point light source 7,3 light-emitting surface direction of annular light source are set gradually from top to bottom 6 bottleneck of bottle embryo to be detected, two light in the symmetrically placed bar shaped linear light source 5 in 6 two sides of bottle embryo and horizontal angle It is 25 °~45 °, bar shaped linear light source 5 is located at 4 lower section distance of metal Gripping platform, 6 upper surface 15mm of bottle embryo to be detected, is used to beat bright The part that bottle embryo bottle holder and metal Gripping platform 4 are in contact, upper surface here refer to the face where bottleneck edge, bar shaped linear light 5 tilt angle of source is related with 6 size of bottle embryo, point light source 7 is arranged immediately below bottle embryo 6 to be detected, the position of point light source 7 is not according to It is adjusted with the size of bottle-type, the general distance for keeping 7 front end face of point light source to 6 bottom of bottle embryo is used to play bright bottle in 20-40mm 6 bottle holder of embryo vacantly without and the part that is in contact of metal Gripping platform 4,7 light of point light source in certain angle of divergence straight up according to Penetrate bottle embryo 6.
Preferably, in the present embodiment, the camera 1 is high frame per second black and white camera, and camera lens 2 is for focal length The object space telecentricity industrial lens of 330mm, annular light source 3 are the high brightness White LED light that incident ray angle with horizontal plane is 30 ° Source, bar shaped linear light source 5 need to be cylindrical lens and strip source composition with focusing function, and 7 front end of point light source need to be with focusing Lens are here because the diverging of point light is larger with condenser lens, and addition polymerization focus lens have certain convergence to make light With so that the light that point light source issues is unlikely to diffuse to when reaching bottleneck the periphery of bottleneck, above-mentioned all part centres and Bottle embryo 6 to be detected concentrically axis.
To guarantee that preferable image detection effect, institute can be fixed and be obtained to the athletic posture of bottle embryo 6 to be detected by stablizing The two panels metal plate for stating Gripping platform 4 need to be guaranteed at same level, can make clamped bottle embryo to be detected 6 in this way Bottleneck is also at horizontality, and body is integrally vertical, with remaining part concentrically axis, while 4 surface of Gripping platform needs Smooth and coating film treatment is done, so that its surface is a mirror-reflection, annular light source can be irradiated to the light of Gripping platform Other regions are reflected into, the visual field into camera is unlikely to, reduce 4 surface reflection of Gripping platform to machine vision image detection It influences.
When the utility model carries out on-line checking, due to needing compatibility to arrive two kinds of bottle embryos of screw socket type and bayonet type, and it is different The tilt angle and depth information of the bottle embryo bottle holder edge chamfer of manufacturer are all inconsistent, so being difficult only by one The annular light source 3 of fixed angle beats bottle holder edge bright.In view of this, the utility model utilizes the strip line with focusing function In place of 6 bottle holder of bottle embryo to be detected is in contact by light source 5 and point light source 7 with Gripping platform 4 respectively, and the suspending part not contacted Divide and illuminate, the light for issuing it is able to enter the visual field of telecentric lens 2, bottle embryo 6 to be detected after the refraction of bottle holder marginal position The annular light source 3 of top plays the role of light filling, so that one week brightness uniformity of bottle holder, finally acquires image, Ji Keyi by camera 1 Bottle embryo bottle holder defect is detected according to existing machine vision image detecting technique.
In conclusion the present embodiment structure is simple, cost of implementation is lower, it is easy to promote and utilize.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.

Claims (9)

1. a kind of bottle embryo bottle holder on-line detection device of defects, it is characterized in that including camera (1), telecentric lens (2), annular light source (3), Gripping platform (4), bar shaped linear light source (5) and point light source (7), the telecentric lens (2) are mounted on camera (1), clamping Platform (4) is in a vertical state for gripping bottle embryo to be detected (6), right above bottle embryo to be detected (6) from top to bottom according to Secondary setting telecentric lens (2) and annular light source (3), annular light source (3) light-emitting surface is towards bottle embryo to be detected (6), bar shaped linear light source (5) bottle embryo to be detected (6) two sides are symmetricly set on, bar shaped linear light source (5) is for illuminating bottle embryo to be detected (6) and Gripping platform (4) part being in contact, point light source (7) setting is immediately below bottle embryo to be detected (6), for illuminating bottle embryo to be detected from below (6)。
2. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that the camera (1) is frame The black and white camera of rate 20fps~50fps.
3. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that telecentric lens (2) are coke Object space telecentricity industrial lens away from 330mm, setting is above the bottle embryo to be detected at 330mm.
4. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that annular light source (3) is light The White LED light source of source power 30W, 35 ± 8mm of bottleneck upper surface apart from bottle embryo to be detected (6) is adjustable, light and horizontal line Angle be 10 °~30 °, light source center and bottle embryo to be detected (6) concentrically axis.
5. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that Gripping platform (4) surface It is coated with chromansil layer, and makees smooth treatment.
6. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that bar shaped linear light source (5) by Cylindrical lens with focusing function and strip source form, and the light of bar shaped linear light source (5) and horizontal angle be 25 °~ 45 °, bar shaped linear light source (5) is apart from bottle embryo to be detected (6) upper surface 15mm.
7. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that point light source (7) is light source The White LED light source of power 6W, concentrically axis, the light of point light source (7) dissipate upwards for light source center and bottle embryo to be detected (6) Irradiate bottle embryo to be detected (6).
8. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that the position of point light source (7) It is adjusted according to the size of different bottle-type, keeps the light source exit facet of point light source (7) to the distance of bottle embryo (6) bottom in 20-40mm.
9. a kind of bottle embryo bottle holder on-line detection device of defects according to claim 1, it is characterized in that the light source of point light source (7) Exit end is equipped with condenser lens, so that the light that point light source (7) issues will not diffuse to the periphery of bottleneck when reaching bottleneck.
CN201820736038.9U 2018-05-17 2018-05-17 A kind of bottle embryo bottle holder on-line detection device of defects Active CN208140601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820736038.9U CN208140601U (en) 2018-05-17 2018-05-17 A kind of bottle embryo bottle holder on-line detection device of defects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820736038.9U CN208140601U (en) 2018-05-17 2018-05-17 A kind of bottle embryo bottle holder on-line detection device of defects

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CN208140601U true CN208140601U (en) 2018-11-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562268A (en) * 2020-06-03 2020-08-21 山东明佳科技有限公司 Detection device and online detection system of foreign matter at the bottom of filling container
CN111855695A (en) * 2020-07-24 2020-10-30 北京领邦智能装备股份公司 Workpiece side circumference imaging system
CN111914823A (en) * 2020-07-30 2020-11-10 西湖大学 An online detection device for identification of mold cavity numbers in bottle preforms

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562268A (en) * 2020-06-03 2020-08-21 山东明佳科技有限公司 Detection device and online detection system of foreign matter at the bottom of filling container
CN111855695A (en) * 2020-07-24 2020-10-30 北京领邦智能装备股份公司 Workpiece side circumference imaging system
CN111855695B (en) * 2020-07-24 2024-03-19 北京领邦智能装备股份公司 Workpiece side periphery imaging system
CN111914823A (en) * 2020-07-30 2020-11-10 西湖大学 An online detection device for identification of mold cavity numbers in bottle preforms

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