CN113138197A - Method and device for detecting foreign matter - Google Patents

Method and device for detecting foreign matter Download PDF

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Publication number
CN113138197A
CN113138197A CN202010060921.2A CN202010060921A CN113138197A CN 113138197 A CN113138197 A CN 113138197A CN 202010060921 A CN202010060921 A CN 202010060921A CN 113138197 A CN113138197 A CN 113138197A
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China
Prior art keywords
bottle
conveying
bottles
detecting
bottle connecting
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Pending
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CN202010060921.2A
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Chinese (zh)
Inventor
罗邦毅
田立勋
李翠君
肖男
刘雄飞
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Zhejiang Yongchuang Huixin Network Technology Co ltd
Hangzhou Youngsun Intelligent Equipment Co Ltd
Original Assignee
Zhejiang Yongchuang Huixin Network Technology Co ltd
Hangzhou Youngsun Intelligent Equipment Co Ltd
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Application filed by Zhejiang Yongchuang Huixin Network Technology Co ltd, Hangzhou Youngsun Intelligent Equipment Co Ltd filed Critical Zhejiang Yongchuang Huixin Network Technology Co ltd
Priority to CN202010060921.2A priority Critical patent/CN113138197A/en
Publication of CN113138197A publication Critical patent/CN113138197A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/90Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9009Non-optical constructional details affecting optical inspection, e.g. cleaning mechanisms for optical parts, vibration reduction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34Sorting according to other particular properties
    • B07C5/342Sorting according to other particular properties according to optical properties, e.g. colour
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications
    • G01N21/88Investigating the presence of flaws or contamination
    • G01N21/90Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9018Dirt detection in containers

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

The invention provides a method and a device for detecting foreign matters, which are used for detecting whether foreign matters exist in transparent or semitransparent liquid in a covered transparent or semitransparent bottle; the method comprises the following steps: (1) conveying the bottles by a conveying machine in sequence at equal intervals; (2) the bottles are autorotated on a conveying machine and decelerated before entering a shooting position; conveying the bottles by a conveying machine to sequentially pass through a plurality of shooting positions, and shooting at a plurality of angles along the circumferential direction of the bottles; and processing the shot picture by the vision system, judging whether foreign matters exist in the liquid in the bottle in the picture, outputting a detection result, and rejecting the bottle judged as a defective product by the bottle rejecting device if the bottle is the defective product. The invention can directly detect whether foreign matters exist in the transparent or semitransparent liquid in the sealed transparent or semitransparent bottle on a subsequent production line after the bottle is sealed, thereby improving the detection efficiency.

Description

Method and device for detecting foreign matter
Technical Field
The invention relates to a method and a device for visually detecting foreign matters in a bottle.
Background
At present, to the detection whether there is the foreign matter in the liquid in the bottle, for example to the foreign matter detection in the finished product detection of white spirit, still use artifical visual detection at present, not only at the bottom of the efficiency and easy hourglass inspection.
However, if detected by a computer vision system, refraction and reflection can occur due to the local geometry and pattern of the bottles, which can affect computer recognition and, if attached to the packaging line, can affect the efficiency of the packaging line.
Disclosure of Invention
The invention aims to provide a method and a device for detecting foreign matters, which can detect whether the foreign matters exist in clear liquid in a covered transparent bottle on a packaging production line and improve the detection efficiency.
According to the first aspect of the invention, the following technical scheme is adopted:
a method for detecting foreign matter in a transparent or translucent liquid in a capped transparent or translucent bottle, comprising: the method comprises the following steps:
(1) conveying the bottles by a conveying machine in sequence at equal intervals;
(2) the bottles are autorotated on a conveying machine and decelerated before entering a shooting position; conveying the bottles by a conveying machine to sequentially pass through a plurality of shooting positions, and shooting at a plurality of angles along the circumferential direction of the bottles;
and processing the shot picture by the vision system, judging whether foreign matters exist in the liquid in the bottle in the picture, outputting a detection result, and rejecting the bottle judged as a defective product by the bottle rejecting device if the bottle is the defective product.
Further, before entering the conveying mechanism, the bottles are subjected to equidistant treatment and then enter the overturning device, and after being overturned and overturned back, the bottles rotate on the conveying mechanism.
Further, the transport mechanism in the rotation and photographing region is a transport mechanism whose transport path is along an arc trajectory.
Further, the processing step of the visual system for taking the picture comprises:
1) calculating the average value of the single image, and eliminating the noise of the image according to the average value;
2) judging the threshold of the single image, and performing threshold segmentation on the image;
3) carrying out primary screening on the image obtained by segmentation, removing noise interference and liquid bubble interference to obtain an alternative area, and screening the foreign matters meeting the conditions according to a set threshold value for the suspects in the alternative area;
4) obtaining a judgment result of the single image, and preliminarily judging whether the shot object is a good product or a defective product according to the single image;
repeating the steps 1) to 4) to obtain the judgment result of each image; if more than 2 images are judged to be good, the shot object is judged to be good, otherwise, the shot object is judged to be defective.
The above further technical schemes can also be combined for use.
According to the second aspect of the invention, the following technical scheme is adopted:
an apparatus for detecting foreign matter, characterized in that: comprises a conveying device; a plurality of first bottle connecting mechanisms are uniformly arranged on the conveying device along a conveying path; the first bottle connecting mechanism is a bottle connecting mechanism capable of rotating automatically and is connected with the variable-speed driving mechanism;
the device for detecting the foreign matters is provided with a plurality of photographing positions along the conveying route, a photographing device is arranged at the photographing positions, and the photographing time of the photographing device is controlled by a control device.
Further, the conveying device is a conveying device with a circular arc-shaped conveying route; and the conveying device is uniformly provided with a plurality of first bottle connecting mechanisms along the circumference.
Furthermore, the first bottle connecting mechanism is a lifting mechanism, and a plurality of second bottle connecting mechanisms are uniformly arranged on the conveying device along a conveying path; the first bottle connecting mechanisms correspond to the second bottle connecting mechanisms one by one, and the second bottle connecting mechanisms are used for connecting and conveying bottles before the bottles enter the conveying device and rotate and conveying the bottles before the bottles are output after being shot.
Furthermore, the first bottle connecting mechanism is a lifting mechanism, and a plurality of second bottle connecting mechanisms are uniformly arranged on the conveying device along the circumference; the first bottle connecting mechanisms correspond to the second bottle connecting mechanisms one by one, and the second bottle connecting mechanisms are used for connecting and conveying bottles before the bottles enter the conveying device and rotate and conveying the bottles before the bottles are output after being shot.
Further, the first bottle conveying mechanism takes the bottles on the second bottle connecting mechanism by descending and gives the bottles to the second bottle mechanism; the first bottle conveying mechanism is connected with the variable-speed driving mechanism by rising to a high position after taking the bottles.
Furthermore, the device for detecting the foreign matters is also provided with a turnover device in front of the conveying device and used for turning over the bottles back and forth, the turnover device is provided with a plurality of third bottle connecting mechanisms used for being connected with the bottles, and the turnover device is connected with the conveying device through a bottle transfer mechanism.
Furthermore, a distance device for the front-back spacing of the bottles is arranged in front of the conveying device.
Furthermore, a distance device for the front-back distance of the bottles is arranged in front of the turnover device.
The above further technical schemes can also be combined for use.
By adopting the technical scheme of the invention, the transparent or semitransparent liquid in the sealed transparent or semitransparent bottle can be directly detected whether foreign matters exist in the transparent or semitransparent bottle on a subsequent production line after the bottle is sealed, so that the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of a combination of a conveying device and a shooting device in an embodiment of the invention.
Fig. 3 is a schematic combination diagram of the first bottle connecting mechanism and the camera in the embodiment of the invention.
Detailed Description
Reference is made to the accompanying drawings. The foreign matter detection device is used for detecting a covered method for detecting foreign matters, and is used for detecting whether foreign matters exist in transparent or semitransparent liquid in a covered transparent or semitransparent bottle, such as foreign matter in white spirit bottled by glass. The foreign object detecting apparatus of the present invention includes a conveying apparatus 100; the conveyor 100 is connected to the packaging line by one or more stages of transfer conveyors, by which the capped bottles 200 to be tested are automatically fed into the conveyor 100 of the present invention, some of which may also have a spacing function, a turning function, etc., as will be described in detail below.
The conveying device 100 is uniformly provided with a plurality of first bottle connecting mechanisms 1 along a conveying path; the first bottle connecting mechanism 1 is a bottle connecting mechanism capable of rotating automatically and is connected with a variable-speed driving mechanism; the foreign matter detection device is provided with a plurality of photographing positions along the conveying route, a photographing device 3 is arranged at the photographing positions, and the photographing time of the photographing device is controlled by a control device.
The conveying device 100 adopts a conveying device with a circular arc-shaped conveying route; the conveying device is uniformly provided with a plurality of first bottle connecting mechanisms 1 along the circumference. The first bottle connecting mechanism 1 may employ a grippable jaw or a suction cup. The connecting frame of the first bottle connecting mechanism 1 is provided with a rotating shaft 10, and the rotating shaft 10 is connected with a gear 21 or other connecting structures and is connected with a variable-speed driving mechanism. The variable speed driving mechanism adopts the motor 2 as power and is connected with the first bottle connecting mechanism 1 through the gear 22 and the gear 21 or through other power connecting structures. The motor 2 can drive the first bottle connecting mechanism 1 to rotate in a single direction or rotate in a positive and negative direction, so that liquid in the bottle is shaken by mechanical operation, foreign matters are prevented from sinking to the bottom and being difficult to shoot, and photos which are not influenced by reflection and refraction (or are less influenced) can be shot and are easy to be correctly identified by a computer. The variable speed driving mechanism can be driven at variable speed, so that the first bottle connecting mechanism 1 can rotate at a higher speed before shooting, and the rotation speed can be reduced even to zero when shooting an area, thereby facilitating the shooting of pictures which can be recognized by a computer.
Another purpose of the rotation of the first bottle connection mechanism 1 is to facilitate that the plurality of cameras 3 can photograph the bottles from different angles in order to overcome the problem of refraction and reflection of light locally on the bottles, and optimally, the bottles 200 rotate one turn or nearly one turn from the initial shooting position to the last shooting position. The first coupling mechanism 1 and the bottle coupled thereto have a revolution and rotation movement, so that different photographing gaps can be provided by changing the rotation direction at the same rotation speed.
The first bottle connecting device 1 can be used directly as a bottle connecting device for the entire conveying path from the bottle 200 to the conveying device 100. A plurality of second bottle connecting mechanisms 4 can be additionally arranged on the conveying device 100 along a circumferential conveying path, wherein the first bottle connecting mechanism 1 is a lifting mechanism; the first bottle connecting mechanisms 1 correspond to the second bottle connecting mechanisms 4 one by one, the second bottle connecting mechanisms 4 are arranged below the first bottle connecting mechanisms 1, and the second bottle connecting mechanisms 4 are used for connecting and conveying bottles 200 before entering the input position 101 of the conveying device 100 and before rotation and conveying bottles before shooting and outputting. The second bottle connecting mechanism 4 may be a jaw or detent. When the bottles 200 enter the conveying device 100, the bottles are received by the second bottle connecting mechanism 4, before the bottles are rotated, the first bottle conveying mechanism 1 is descended to take the bottles 200 on the second bottle connecting mechanism 4, then the first bottle conveying mechanism 1 is ascended, the bottles 200 leave the second bottle connecting mechanism 4, and the first bottle conveying mechanism 1 is connected with a variable-speed driving mechanism, so that the bottles can be driven to rotate. After the end of the recording, the first bottle conveyor 1 transfers the bottles 200 to the second bottle conveyor by lowering, and then the second bottle conveyor transfers the bottles 200 to the next conveyor 300 at the output position 102 of the conveyor 100.
The lifting of the first bottle connecting mechanism 1 can be controlled by the cam 101, the cam 101 is an end face cam, the upper part of the first bottle connecting mechanism 1 is arranged along the circumferential conveying direction, the first bottle connecting mechanism 1 is provided with a connecting structure 12, the connecting structure 12 is provided with a rolling component 11 supported on the end face of the cam 101, and the cam 101 supports each first bottle connecting mechanism 1 and controls the lifting of each first bottle connecting mechanism 1 through the circular operation of the rolling component 11 on the end face of the cam.
The rotating shaft 10 and the connecting structure 12 are rotatably connected and can be lifted and lowered together. The shaft 10 is connected to a gear 21 on the variable speed drive through a keyway in the shaft. The mounting structure 23 of the variable speed drive mechanism is connected with the upper turntable 102 in the conveying device 100, and the second bottle connecting mechanism 4 is connected with the lower turntable 103 in the conveying device 100.
The number of the shooting devices 3 is generally more than 3, and can be set to be about 10, and different shooting devices shoot different angle positions of the bottle so as to shoot photos which are not influenced by reflection and refraction (or are less influenced) and can be easily and correctly identified and screened by a computer. In this embodiment, 12 cameras are used, and the bottles rotate one circle from the initial shooting position to the position away from the last shooting position, so that at least two images without bottle patterns can be shot.
The imaging device 3 is generally disposed at an equal distance and provided with the imaging auxiliary light source 31, the imaging device 3 and the auxiliary light source 31 are disposed on a bracket 34, the photoelectric switch 33 and the reflection plate 32 thereof are mounted on the bracket 35, and the bracket 35 is fixed on the bracket 34. The shooting device 3 and the auxiliary light source 31 are respectively arranged at two sides of the bottle passing route, and the shooting device 3 shoots at the outer side from the outer side to the inner side to form a relatively closed shooting environment. The auxiliary light source 31 is a combined plate-shaped light source, is arranged on the inner side of the relatively closed shooting environment, and is used for polishing the product corresponding to the bottle body angle to achieve a stable shooting environment. The light source is a white light source. The imaging light sources 31 may be arranged in the imaging device 3 one-to-one, or in a one-to-many manner. For the control of the shooting time, the photoelectric switch 33 can be used as a sensor, the photoelectric switch is connected with the control device, when the photoelectric switch senses that the bottle passes through, a signal is sent to the control device, the control device controls the shooting device to shoot, the photoelectric switch can be configured on the shooting device 3 one by one, the photoelectric switch can also be arranged at the starting position, and the control device controls the shooting time of a plurality of shooting devices through delay control.
The device for detecting the foreign matters is also provided with a turnover device 400 in front of the conveying device 100, the turnover device 400 is not only used for transferring and conveying the bottles 200, but also used for turning the bottles 200 back and forth so that the foreign matters at the bottom of the bottle float in the liquid and the subsequent autorotation effect can be fully exerted, the turnover device 400 is provided with a plurality of third bottle connecting mechanisms 401 for being connected with the bottles 200, the third bottle connecting mechanisms 401 adopt turnover bottle clamping mechanisms, the conveying route of the turnover device 400 can also be in a circular arc shape, the third bottle connecting mechanisms 401 are equidistantly arranged along the circumferential route, and the turnover device 400 is connected with the conveying device 100 through a bottle transfer mechanism 500. The bottle transfer mechanism 500 may employ a turntable with a bottle detent.
The distance device 600 for detecting foreign matters is arranged at the position of the entering device, the distance device 600 can adopt a spiral conveying device, when the bottles 200 are conveyed in a switching way, the distance between the bottles 200 is fixed according to the distance between threads, and the switching conveying mechanism 700 is arranged between the distance device 600 and the turnover device 400. The bottle transfer mechanism 700 may employ a turntable with a bottle detent.
The rejecting device 801 can be arranged on the output device 800 behind the conveying device 100, the rejecting device 801 is connected with the control device, the control device can calculate the time when the defective products reach the rejecting mechanism 801 according to the shooting time, the moving distance and the moving speed of the defective products so as to control the rejecting device 801 to perform corresponding rejecting actions at corresponding time, reject the defective products out of the output device 800, and distribute the defective products to another production line. The rejecting mechanism can adopt executing mechanisms such as mechanical grippers, push rods and the like. The output device 800 and the conveying device 100 can be connected by a bottle transfer mechanism, namely, the conveying device 300 at the next stage can adopt a turntable with a bottle clamping position.
When the transport device 100 and the reversing device 400 are linear transport devices, the operations of reversing, rotating, and shooting can be similarly performed.
The detection process of the invention for whether foreign matters exist in the transparent or semitransparent liquid in the covered transparent or semitransparent bottle is as follows:
(1) conveying the bottles by a conveying machine in sequence at equal intervals;
(2) the bottle autorotation is carried out on the conveying machine, the speed is reduced before the bottle enters the shooting position, the bottle is conveyed by the conveying machine to sequentially pass through a plurality of shooting positions, and shooting at a plurality of angles is carried out along the circumferential direction of the bottle;
the visual system processes the shot pictures, judges whether foreign matters exist in the liquid in the bottle in the pictures or not, outputs a detection result, and controls the bottle rejecting device to act to reject the defective products if the defective products exist.
Before entering the conveying machine, the bottles are subjected to equidistant treatment and then enter the overturning device, and after being overturned and overturned, the bottles rotate on the conveying machine.
For pictures taken by the shooting devices for the same bottle, the processing steps of the vision system arranged in the shooting devices comprise:
1) performing primary processing on the image, calculating the average value of a single image, and performing noise elimination on the image according to the average value;
2) performing threshold judgment on the single image, performing threshold segmentation on the image, for example, removing the graph which is obviously a bottle accessory in the picture, such as the bottle label on a wine bottle and the like, so that the area needing to be judged is conveniently found, and the subsequent data volume needing to be processed is reduced;
3) the image obtained by segmentation is screened for the first time, noise interference and liquid bubble interference are removed, the interference can be removed by setting the numerical value or the form of the size range of some bubbles in advance and comparing the numerical value or the form, for example, common bubbles are smaller than foreign matters in liquid, and for example, the bubbles are generally circular. The noise is a dirty point on the surface of the bottle, which is often smaller than foreign matters in the liquid;
on the basis, an alternative region for foreign matter comparison is obtained, whether a suspected object meeting the screening condition exists in the alternative region is judged, parameters which are set in advance can be used as judgment threshold values, such as area, gray value, circle radius, circle diameter and the like, as reference values to judge whether the object is a foreign matter, and the threshold values can be continuously optimized through computer learning.
4) Obtaining a judgment result of the single image, and preliminarily judging whether the shot object is a good product or a defective product according to the single image;
and repeating the steps 1) to 4) to obtain the judgment result of each image of the same bottle.
The control device is in communication connection with the visual system through the communication device, and issues shooting instructions and receives data. If more than 2 images are judged to be good, the shot object is judged to be good, otherwise, the shot object is judged to be defective.
The vision system analyzes whether foreign matters and impurities exist in the shot picture in the process of rotating 360 degrees, the single-camera image is processed, and the logic judgment output result is output after the 6-12 cameras are processed. If the bottles detected by the 6-12 cameras are good, the bottles meet the requirements, otherwise, the bottles are judged to be defective, the result information of the bottles is sent to a bottle kicking system, and when the bottles reach a bottle kicking mechanism according to calculation, bad bottles are distributed to another production line.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

Claims (12)

1. A method for detecting foreign matter in a transparent or translucent liquid in a capped transparent or translucent bottle, comprising: the method comprises the following steps:
(1) conveying the bottles by a conveying machine in sequence at equal intervals;
(2) the bottles are autorotated on a conveying machine and decelerated before entering a shooting position; conveying the bottles by a conveying machine to sequentially pass through a plurality of shooting positions, and shooting at a plurality of angles along the circumferential direction of the bottles;
and processing the shot picture by the vision system, judging whether foreign matters exist in the liquid in the bottle in the picture, outputting a detection result, and rejecting the bottle judged as a defective product by the bottle rejecting device if the bottle is the defective product.
2. A method of detecting a foreign object as in claim 1, wherein: before entering the conveying machine, the bottles are subjected to equidistant treatment and then enter the overturning device, and after being overturned and overturned, the bottles rotate on the conveying machine.
3. A method of detecting a foreign object as in claim 1, wherein: the conveying mechanism in the rotation and photographing area is a conveying mechanism with a conveying path along an arc track.
4. A method of detecting a foreign object as in claim 1, wherein: the processing steps of the visual system for taking the picture comprise:
1) calculating the average value of the single image, and eliminating the noise of the image according to the average value;
2) judging the threshold of the single image, and performing threshold segmentation on the image;
3) carrying out primary screening on the image obtained by segmentation, removing noise interference and liquid bubble interference to obtain an alternative area, and screening the foreign matters meeting the conditions according to a set threshold value for the suspects in the alternative area;
4) obtaining a judgment result of the single image, and preliminarily judging whether the shot object is a good product or a defective product according to the single image;
repeating the steps 1) to 4), and obtaining the judgment result of each image of the shooting object; if more than 2 images are judged to be good, the shot object is judged to be good, otherwise, the shot object is judged to be defective.
5. An apparatus for detecting foreign matter, characterized in that: comprises a conveying device; a plurality of first bottle connecting mechanisms are uniformly arranged on the conveying device along a conveying path; the first bottle connecting mechanism is a bottle connecting mechanism capable of rotating automatically and is connected with the variable-speed driving mechanism;
the device for detecting the foreign matters is provided with a plurality of photographing positions along the conveying route, a photographing device is arranged at the photographing positions, and the photographing time of the photographing device is controlled by a control device.
6. A device for detecting a foreign object as set forth in claim 5, wherein: the conveying device is a conveying device with a circular arc-shaped conveying route; and the conveying device is uniformly provided with a plurality of first bottle connecting mechanisms along the circumference.
7. A device for detecting a foreign object as set forth in claim 5, wherein: the first bottle connecting mechanism is a lifting mechanism, and a plurality of second bottle connecting mechanisms are uniformly arranged on the conveying device along a conveying path; the first bottle connecting mechanisms correspond to the second bottle connecting mechanisms one by one, and the second bottle connecting mechanisms are used for connecting and conveying bottles before the bottles enter the conveying device and rotate and conveying the bottles before the bottles are output after being shot.
8. A device for detecting a foreign object as set forth in claim 6, wherein: the first bottle connecting mechanism is a lifting mechanism, and a plurality of second bottle connecting mechanisms are uniformly arranged on the conveying device along the circumference; the first bottle connecting mechanisms correspond to the second bottle connecting mechanisms one by one, and the second bottle connecting mechanisms are used for connecting and conveying bottles before the bottles enter the conveying device and rotate and conveying the bottles before the bottles are output after being shot.
9. A device for detecting a foreign object as claimed in claim 7 or 8, wherein: the first bottle conveying mechanism takes the bottles on the second bottle connecting mechanism by descending and gives the bottles to the second bottle mechanism; the first bottle conveying mechanism ascends to a high position after taking the bottles.
10. A device for detecting a foreign object as set forth in claim 5, wherein: the device for detecting foreign matters is also provided with a turnover device in front of the conveying device and used for turning over the bottles back and forth, the turnover device is provided with a plurality of third bottle connecting mechanisms used for being connected with the bottles, and the turnover device is connected with the conveying device through a bottle transfer mechanism.
11. A device for detecting a foreign object as set forth in claim 5, wherein: a distance device for arranging the bottles at a front-back distance is arranged in front of the conveying device.
12. A device for detecting a foreign object as set forth in claim 10, wherein: a distance device for arranging the front and the back of the bottle at a certain distance is arranged in front of the turnover device.
CN202010060921.2A 2020-01-19 2020-01-19 Method and device for detecting foreign matter Pending CN113138197A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114267778A (en) * 2021-12-24 2022-04-01 深圳国冶星光电科技股份有限公司 Die bonding and wire bonding process for surface mount LED
CN114267778B (en) * 2021-12-24 2023-09-08 深圳国冶星光电科技股份有限公司 Die bonding wire bonding process of surface-mounted LED

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