CN112098429A - Packaged product defect detection equipment based on machine vision - Google Patents
Packaged product defect detection equipment based on machine vision Download PDFInfo
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- CN112098429A CN112098429A CN202010988167.9A CN202010988167A CN112098429A CN 112098429 A CN112098429 A CN 112098429A CN 202010988167 A CN202010988167 A CN 202010988167A CN 112098429 A CN112098429 A CN 112098429A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8901—Optical details; Scanning details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/8914—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the material examined
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a packaged product defect detection device based on machine vision, which comprises a rack and a controller, wherein a conveyor belt is arranged on the rack, lifting rods are arranged on two sides of the conveyor belt, a camera support is arranged at the top of each lifting rod, a detection camera is movably arranged on each camera support, a speed reduction motor for adjusting a shooting angle is arranged on each detection camera, induction gratings are symmetrically arranged on two sides of one end of the conveyor belt, the induction gratings can be used for shooting by adopting a screw rod in a translation mode or shooting by rotating a rotating disc, and the shooting angle of each detection camera can be adjusted by the aid of the speed reduction motors, so that the shooting angle of each detection camera is more flexible, product packages positioned at different positions and different angle orientations can be detected, whether a defect exists in an outer package of a product can be more accurately judged.
Description
Technical Field
The invention relates to a detection device, in particular to a packaging product defect detection device based on machine vision.
Background
After accomplishing product packaging, need detect its packing outward appearance, detect whether have hourglass sign indicating number, leak the seal, defects such as wrong limit appear, current detection mode is transported through the conveyer belt after accomplishing product packaging, it detects to shoot through the detection camera in the transportation, judge whether leak sign indicating number appears in the packing according to image processing and contrast, leak the seal, bad phenomena such as wrong limit, however traditional detection camera all fixes on the support, because the position of product when packagine machine landing to conveyer belt is not fixed, and can get into the detection area with different angle orientations, lead to detecting the camera and can not accurately detect every product packaging, the condition that the product was missed to examine appears easily, increase product packaging's defective rate.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a packaging product defect detection device based on machine vision.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a packing product defect detecting equipment based on machine vision, includes frame, controller, be equipped with the conveyer belt in the frame, the lifter is installed to the both sides of conveyer belt, the camera support is installed at the top of lifter, movable mounting has the detection camera on the camera support, install the gear motor who is used for adjusting the shooting angle on the detection camera, the response grating is installed to the one end bilateral symmetry of conveyer belt.
Two sets of are installed to the bilateral symmetry of conveyer belt the lifter, every group install respectively at the top of lifter the camera support, it installs to detect camera slidable the inboard of camera support, and by actuating mechanism control slip.
Actuating mechanism is including installing the first servo motor at camera support top, first servo motor's pivot is connected with the screw rod, camera support slidable mounting has first camera frame, the one end of first camera frame with screw rod threaded connection, it installs to detect the camera rotation the other end of first camera frame.
The bottom of the camera support is rotatably provided with a rotating disk, the top of the camera support is provided with a second servo motor fixedly connected with the rotating disk, the edge of the bottom of the rotating disk is symmetrically provided with a second camera base, and the detection camera is rotatably arranged on the second camera base.
And the rotating shaft of the speed reducing motor is connected with the side wall of the detection camera.
And the rotating shaft of the speed reducing motor is connected with the top of the detection camera.
The invention has the beneficial effects that: the lifting rods are arranged on the two sides of the transmission belt, the camera support is arranged on the top of each lifting rod, the detection camera is movably arranged on the camera support and can be used for carrying out translation shooting by adopting a screw rod or rotating shooting by adopting a rotating disk, the shooting angle of the detection camera can be adjusted by the aid of the speed reducing motor, so that the shooting angle of the detection camera is more flexible, product packages in different positions and different angle orientations can be detected, whether the outer packages of the products have defects or not can be accurately judged, and accordingly the reject ratio of the product packages is reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a first embodiment of the present invention;
FIG. 2 is one of the schematic structural diagrams of a second embodiment of the present invention;
fig. 3 is a second schematic structural diagram of a second embodiment of the present invention.
Detailed Description
Referring to fig. 1 to 3, a packaged product defect detecting device based on machine vision comprises a rack 1 and a controller, wherein a memory, an image processing unit and a comparison unit are arranged in the controller, a conveyor belt 2 is arranged on the rack 1, the conveyor belt 2 is used for driving a target product, as long as the product is packaged in a box or a packaged product, lifting rods 3 are arranged on two sides of the conveyor belt 2, a camera support 4 is arranged at the top of each lifting rod 3, a detection camera 5 is movably arranged on each camera support 4, a speed reduction motor 6 used for adjusting a shooting angle is arranged on each detection camera 5, induction gratings 7 are symmetrically arranged on two sides of one end of the conveyor belt 2, the lifting rods 3, the detection camera 5, the speed reduction motor 6 and the induction gratings 7 are electrically connected with the controller, when the product is packaged and conveyed on the conveyor belt 2 through the induction gratings, the controller can reset the position that detects camera 5 according to the specification of preset product package, when treating the product entering detection camera 5's detection range, detection camera 5 begins the mobile detection, through lifter 3, gear motor 6 and movable mounting can make detection camera possess more shooting angles on camera support 4, shooting angle is more nimble, in camera removal process, can be to lieing in different positions, the product package of different angle orientations is shot and is detected, can judge more accurately whether there is the defect in the product extranal packing, thereby reduce the defective rate of product package.
The movable installation mode of the detection camera 5 has the following two embodiments:
the first embodiment is: two sets of the lifting rods 3 are symmetrically arranged on two sides of the conveying belt 2, the camera support 4 is respectively arranged at the top of each lifting rod 3, the detection cameras 5 are slidably arranged on the inner side of the camera support 4 and are controlled to slide by a driving mechanism, the driving mechanism comprises a first servo motor 8 arranged at the top of the camera support 4, a rotating shaft of the first servo motor 8 is connected with a screw rod 9, the camera support 4 is slidably arranged with a first camera base 10, one end of the first camera base 10 is in threaded connection with the screw rod 9, the detection cameras 5 are rotatably arranged at the other end of the first camera base 10, the detection directions of the two detection cameras are opposite and face a detection area, when a product passes through, the detection cameras transversely move left and right through the first servo motor to shoot other five surfaces of the packaged product except the bottom surface, the quantity of the pictures shot by the detection camera for once transverse movement can be set, if 10 pictures are shot in total for once transverse movement, the 10 pictures shot are processed through the image processing unit, corresponding pictures are screened out according to the part to be detected, then comparison and detection are carried out to detect whether defects such as missing codes, missing prints, misalignment and the like occur, if packaging defects exist, the controller sends out an alarm to warn a worker and sends out a rejection signal to a rejection device installed on the rack to take away products with the packaging defects, such as a mechanical arm, an electric push plate and the like.
The second embodiment is: the bottom of camera support 4 is rotated and is installed rotary disk 11, the top of camera support 4 install with rotary disk 11 fixed connection's second servo motor 12, second camera frame 13 is installed to the bottom edge symmetry of rotary disk 11, detection camera 5 rotates and installs on second camera frame 13, and the direction of detection of two same detection cameras is relative, all faces the detection area, and when the product was through, second servo motor drive rotary disk rotated, made detection camera be circular motion above the product, and single detection camera need rotate a week and just can carry out complete shooting to the product, when two detection cameras of symmetry installation on the rotary disk, the rotary disk only need rotate half a circle and can accomplish the full face to the product and shoot, certainly not only be limited to two detection cameras, the user can be according to specification, the detection quantity of actual detection product, The number of the detection cameras is increased or reduced by the production cost and the like, the more the detection cameras are installed, the more the pictures are taken, the smaller the rotation angle of the rotating disc is, the shorter the rotation time is, the detection efficiency is improved, the number of the pictures taken by rotating the detection cameras once can be set, if the pictures are taken by rotating the detection cameras once, the 10 pictures taken are processed by the image processing unit, the corresponding pictures are screened out according to the parts to be detected, then the comparison and detection are carried out, whether the defects of code missing, printing missing, wrong edges and the like occur or not are carried out, if the packaging defects exist, the controller sends out an alarm to warn a worker and sends out a rejection signal to a rejection device installed on the rack to take away the products with the packaging defects, such as a mechanical arm, an electric push pedal and the like.
There are also two embodiments for detecting the angular adjustment direction of the camera 5:
the first embodiment is: the pivot of gear motor 6 with the lateral wall of detection camera 5 is connected for the adjustment of angle about the control detection camera for the detection camera possesses more shooting angles, and shooting angle is more nimble, further improves the precision that detects the contrast.
The second embodiment is: the pivot of gear motor 6 with the top of detecting camera 5 is connected for the control detects the adjustment of camera left and right angles, makes the detecting camera possess more shooting angles, and shooting angle is more nimble, further improves the precision that detects the contrast.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (6)
1. The utility model provides a packing product defect detecting equipment based on machine vision, includes frame (1), controller, be equipped with conveyer belt (2) on frame (1), its characterized in that lifter (3) are installed to the both sides of conveyer belt (2), camera support (4) are installed at the top of lifter (3), movable mounting has detection camera (5) on camera support (4), install gear motor (6) that are used for adjusting the shooting angle on detection camera (5), response grating (7) are installed to the one end bilateral symmetry of conveyer belt (2).
2. The packaged product defect detection equipment based on machine vision according to claim 1, characterized in that two sets of the lifting rods (3) are symmetrically installed on two sides of the conveyor belt (2), the camera bracket (4) is respectively installed on the top of each set of the lifting rods (3), and the detection camera (5) is slidably installed on the inner side of the camera bracket (4) and is controlled to slide by a driving mechanism.
3. The packaged product defect detecting device based on machine vision as claimed in claim 2, wherein the driving mechanism comprises a first servo motor (8) installed on the top of the camera support (4), a screw (9) is connected to a rotating shaft of the first servo motor (8), a first camera base (10) is installed on the camera support (4) in a sliding mode, one end of the first camera base (10) is in threaded connection with the screw (9), and the detecting camera (5) is installed at the other end of the first camera base (10) in a rotating mode.
4. The packaged product defect detecting apparatus based on machine vision as claimed in claim 1, wherein the bottom of the camera support (4) is rotatably mounted with a rotating disc (11), the top of the camera support (4) is mounted with a second servo motor (12) fixedly connected with the rotating disc (11), the bottom edge of the rotating disc (11) is symmetrically mounted with a second camera base (13), and the detecting camera (5) is rotatably mounted on the second camera base (13).
5. Machine vision based packaged product defect inspection apparatus according to claim 1, characterized in that the rotation shaft of the gear motor (6) is connected with the side wall of the inspection camera (5).
6. Machine vision based packaged product defect inspection apparatus according to claim 1, characterized in that the rotation shaft of the gear motor (6) is connected with the top of the inspection camera (5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988167.9A CN112098429A (en) | 2020-09-18 | 2020-09-18 | Packaged product defect detection equipment based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010988167.9A CN112098429A (en) | 2020-09-18 | 2020-09-18 | Packaged product defect detection equipment based on machine vision |
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| CN112098429A true CN112098429A (en) | 2020-12-18 |
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| CN202010988167.9A Pending CN112098429A (en) | 2020-09-18 | 2020-09-18 | Packaged product defect detection equipment based on machine vision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505056A (en) * | 2021-02-08 | 2021-03-16 | 常州微亿智造科技有限公司 | Defect detection method and device |
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| CN107121089A (en) * | 2017-05-05 | 2017-09-01 | 哈尔滨理工大学 | A kind of multifunctional rotating device shot for machine vision |
| JP2018091825A (en) * | 2016-11-30 | 2018-06-14 | 住友化学株式会社 | Defect inspection device, defect inspection method, manufacturing method of separator wound-body, and separator wound-body |
| CN109164110A (en) * | 2018-08-24 | 2019-01-08 | 河北工业职业技术学院 | roller surface defect detecting system |
| CN110530868A (en) * | 2018-05-25 | 2019-12-03 | 上海翌视信息技术有限公司 | A kind of detection method based on location information and image information |
| CN210572013U (en) * | 2019-09-17 | 2020-05-19 | 韶关凌注科技有限公司 | Metal surface detection device based on machine vision |
| CN111508876A (en) * | 2020-04-30 | 2020-08-07 | 重庆电子工程职业学院 | Semiconductor device packaging equipment |
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2020
- 2020-09-18 CN CN202010988167.9A patent/CN112098429A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784711A (en) * | 2014-12-25 | 2016-07-20 | 锐视（厦门）科技有限公司 | Cod liver oil soft capsule appearance defect visual detection method and device |
| CN206369704U (en) * | 2016-10-11 | 2017-08-01 | 东莞市永博电子科技有限公司 | It is a kind of to adjust the optical detection apparatus of shooting angle and distance |
| JP2018091825A (en) * | 2016-11-30 | 2018-06-14 | 住友化学株式会社 | Defect inspection device, defect inspection method, manufacturing method of separator wound-body, and separator wound-body |
| CN107121089A (en) * | 2017-05-05 | 2017-09-01 | 哈尔滨理工大学 | A kind of multifunctional rotating device shot for machine vision |
| CN110530868A (en) * | 2018-05-25 | 2019-12-03 | 上海翌视信息技术有限公司 | A kind of detection method based on location information and image information |
| CN109164110A (en) * | 2018-08-24 | 2019-01-08 | 河北工业职业技术学院 | roller surface defect detecting system |
| CN210572013U (en) * | 2019-09-17 | 2020-05-19 | 韶关凌注科技有限公司 | Metal surface detection device based on machine vision |
| CN111508876A (en) * | 2020-04-30 | 2020-08-07 | 重庆电子工程职业学院 | Semiconductor device packaging equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112505056A (en) * | 2021-02-08 | 2021-03-16 | 常州微亿智造科技有限公司 | Defect detection method and device |
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