CN113552132A - Static product defect detection equipment for visual detection belt conveyor - Google Patents
Static product defect detection equipment for visual detection belt conveyor Download PDFInfo
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- CN113552132A CN113552132A CN202110698263.4A CN202110698263A CN113552132A CN 113552132 A CN113552132 A CN 113552132A CN 202110698263 A CN202110698263 A CN 202110698263A CN 113552132 A CN113552132 A CN 113552132A
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- 238000001514 detection method Methods 0.000 title claims abstract description 105
- 230000000007 visual effect Effects 0.000 title claims abstract description 64
- 230000007547 defect Effects 0.000 title claims abstract description 44
- 230000003068 static effect Effects 0.000 title claims abstract description 20
- 238000011179 visual inspection Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 11
- 230000000875 corresponding effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
Abstract
The invention belongs to the technical field of product detection, and particularly relates to static product defect detection equipment for a visual detection belt conveyor, which comprises a visual detection line, a set of visual detection system, a camera system, a PLC (programmable logic controller) control cabinet and a touch screen; the visual detection line is used for inputting or outputting products which need to be detected and are pasted with bar codes one by one; the camera system is arranged at the upper part of the vision detection line; the camera system is used for acquiring the bar code image information of the product in real time and analyzing the bar code image information to the visual detection system so as to detect and analyze the product. The related working nodes of the visual defect detection equipment are completed through the conveying line and the visual detection system, and the defects of the bar codes of the products can be accurately detected. The error rate of bar code misjudgment of products is greatly reduced, the error correction rate of the bar codes of the products is enhanced, and the effect is particularly obvious when the defects of mass products are detected. The visual defect detection device can be used for carrying out visual defect detection on equipment such as storage bags, clothes, carton hard packages and the like.
Description
Technical Field
The invention relates to the technical field of product detection, in particular to a static product defect detection device for a visual detection belt conveyor.
Background
The bar code is a graphic identifier in which a plurality of black bars and spaces having different widths are arranged according to a certain encoding rule to express a set of information. Common bar codes are a pattern of parallel lines of dark bars (simply bars) and white bars (simply spaces) of widely differing reflectivity.
Bar code detection is usually performed before the product leaves the factory. Mainly adopts a manual detection mode. When the number of products is small, the defects can be accurately detected by manual detection, but when the number of products is larger and larger, the working efficiency of detecting the defects one by manual detection is gradually reduced, and the OK rate of the detected defective products is also gradually reduced, so that the cost of the products is increased substantially invisibly. Problems arising in the field: when the products detected are many, people are easy to fatigue, manual detection is easy to miss, the probability of failure rate of manual detection is greatly increased, and the loss of the whole product is increased.
Disclosure of Invention
The invention aims to provide a static product defect detection device for a visual detection belt conveyor, which aims to solve the problems that in the background art, when a large number of detected products exist, personnel are easy to fatigue, manual detection is easy to miss, the probability of failure rate of manual detection is greatly increased, and the loss of the whole product is increased.
In order to achieve the purpose, the invention provides the following technical scheme: a static detection product defect device for a visual detection belt conveyor comprises a visual detection line, a set of visual detection system, a camera system, a PLC control cabinet and a touch screen;
the visual detection line is used for inputting or outputting products which need to be detected and are pasted with bar codes one by one;
the camera system is arranged at the upper part of the vision detection line;
the camera system is used for acquiring bar code image information of a product in real time and analyzing the bar code image information to the visual detection system to detect and analyze the product;
the output end of the camera system is connected with the visual detection system;
the vision detection system analyzes, distinguishes and distinguishes real-time photo signals collected by a camera system of a vision detection area, and finally obtains a channel result and transmits the channel result to the PLC to control the action of the vision detection line in real time;
the PLC control cabinet controls corresponding actions of the visual inspection conveying line;
the PLC control cabinet is simultaneously connected with the visual detection system and the touch screen;
the operation running state of the conveyor transmitted by the touch screen in real time can be displayed on the touch screen in real time, so that all parameters of the belt conveyor can be monitored and adjusted.
Preferably, the control mode of the PLC control cabinet on the visual detection line comprises the control of starting and stopping of the visual detection line and the transmission rate.
Preferably, the camera system comprises a plurality of camera units of different heights, and the camera units of different heights detect products of different heights.
Preferably, the PLC control cabinet and the visual detection system, and the visual detection system and the camera system are connected by TCP/IP communication interfaces.
Preferably, the visual inspection system also comprises an alarm indicator light, and when the visual inspection system judges that the product has defects, the alarm indicator light indicates to alarm.
Preferably, the detection method for the static detection product defect equipment on the visual detection belt conveyor is as follows:
firstly, leading a production plan sheet of the current day into a visual inspection system by a worker;
starting an automatic mode of visual inspection defect equipment and an automatic mode of a product conveying line;
placing products at the inlet of the visual detection area one by one, enabling the bar codes to face upwards, and sequentially conveying the two cameras on the visual detection line to the static bar codes on the real-time photographed products;
transmitting the real-time image information to a visual inspection defect system for analysis through TCP/IP communication;
and the visual inspection defect system obtains a final result and transmits the final result to the PLC control system in real time in a TCP/IP communication manner, so that the corresponding action of the visual inspection conveying line is controlled.
Compared with the prior art, the invention has the beneficial effects that:
the related working nodes of the visual defect detection equipment are completed through the conveying line and the visual detection system, so that the working efficiency is greatly improved, and the defects of the bar codes of the products can be accurately detected. The error rate of bar code misjudgment of products is greatly reduced, the error correction rate of the bar codes of the products is enhanced, and the effect is particularly obvious when the defects of mass products are detected.
The visual defect detection device can be used for carrying out visual defect detection on equipment such as storage bags, clothes, carton hard packages and the like.
Drawings
FIG. 1 is a main circuit diagram of the present invention;
FIG. 2 is a diagram of the motorized roller of the product conveyor line of the present invention;
FIG. 3 is a circuit diagram of the input end of the PLC control cabinet of the present invention;
FIG. 4 is a circuit diagram of the output terminal of the PLC control cabinet of the present invention;
FIG. 5 is a communication layout of the present invention;
fig. 6 is a wiring diagram of the PLC control cabinet and the vision inspection system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-6, the present invention provides a technical solution: a static detection product defect device for a visual detection belt conveyor comprises a visual detection line, a set of visual detection system, a camera system, a PLC control cabinet and a touch screen;
the visual detection line is used for inputting or outputting products which need to be detected and are pasted with bar codes one by one;
the camera system is arranged at the upper part of the vision detection line;
the camera system is used for acquiring bar code image information of a product in real time and analyzing the bar code image information to the visual detection system to detect and analyze the product;
the output end of the camera system is connected with the visual detection system;
the vision detection system analyzes, distinguishes and distinguishes real-time photo signals collected by a camera system of a vision detection area, and finally obtains a channel result and transmits the channel result to the PLC to control the action of the vision detection line in real time;
the PLC control cabinet controls corresponding actions of the visual inspection conveying line;
the PLC control cabinet is simultaneously connected with the visual detection system and the touch screen;
the operation running state of the conveyor transmitted by the touch screen in real time can be displayed on the touch screen in real time, so that all parameters of the belt conveyor can be monitored and adjusted.
Furthermore, the control mode of the PLC control cabinet on the visual detection line comprises the control of starting and stopping of the visual detection line and the transmission rate.
Further, the camera system comprises a plurality of camera units with different heights, and the camera units with different heights detect products with different heights.
Furthermore, the PLC control cabinet and the visual detection system, and the visual detection system and the camera system are connected by TCP/IP communication interfaces.
And furthermore, the visual inspection system also comprises an alarm indicator light, and when the visual inspection system judges that the product has defects, the alarm indicator light indicates to alarm.
Further, the detection method for the static detection product defect equipment on the visual detection belt conveyor specifically comprises the following steps:
firstly, leading a production plan sheet of the current day into a visual inspection system by a worker;
starting an automatic mode of visual inspection defect equipment and an automatic mode of a product conveying line;
placing products at the inlet of the visual detection area one by one, enabling the bar codes to face upwards, and sequentially conveying the two cameras on the visual detection line to the static bar codes on the real-time photographed products;
transmitting the real-time image information to a visual inspection defect system for analysis through TCP/IP communication;
and the visual inspection defect system obtains a final result and transmits the final result to the PLC control system in real time in a TCP/IP communication manner, so that the corresponding action of the visual inspection conveying line is controlled.
The related working nodes of the visual defect detection equipment are completed through the conveying line and the visual detection system, so that the working efficiency is greatly improved, and the defects of the bar codes of the products can be accurately detected. The error rate of bar code misjudgment of products is greatly reduced, the error correction rate of the bar codes of the products is enhanced, and the effect is particularly obvious when the defects of mass products are detected.
According to the current production requirement, single product bar codes with inconsistent heights can be freely selected for detection control;
the visual inspection sorting line system can detect the bar codes on soft and hard packages;
the running state (parameters such as start-stop state, running speed, alarm state and the like) of the visual detection system can be collected in real time through a TCP/IP communication interface and displayed on the touch screen in real time;
the visual detection system detects that the code missing, the code breaking and the fuzzy scanning cannot be carried out, then judges the abnormal product, and has a short-time alarm prompt function;
the system for detecting the visual detection sorting line has high accuracy in detecting the static detection defect rate;
the vision system stores corresponding parameters, and can inquire parameters of a production plan list: shop name, category name, product bar code, actual quantity, balance, abnormal product parameter and other parameter information;
the visual detection sorting line system is used for detecting and sorting through the visual detection when the sorting speed is high.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A static detection product defect device for a visual detection belt conveyor is characterized by comprising a visual detection line, a set of visual detection system, a camera system, a PLC control cabinet and a touch screen;
the visual detection line is used for inputting or outputting products which need to be detected and are pasted with bar codes one by one;
the camera system is arranged at the upper part of the vision detection line;
the camera system is used for acquiring bar code image information of a product in real time and analyzing the bar code image information to the visual detection system to detect and analyze the product;
the output end of the camera system is connected with the visual detection system;
the vision detection system analyzes, distinguishes and distinguishes real-time photo signals collected by a camera system of a vision detection area, and finally obtains a channel result and transmits the channel result to the PLC to control the action of the vision detection line in real time;
the PLC control cabinet controls corresponding actions of the visual inspection conveying line;
the PLC control cabinet is simultaneously connected with the visual detection system and the touch screen;
the operation running state of the conveyor transmitted by the touch screen in real time can be displayed on the touch screen in real time, so that all parameters of the belt conveyor can be monitored and adjusted.
2. The apparatus of claim 1, wherein the apparatus is used for visually inspecting a belt conveyor for static defects in products, and comprises: the PLC control cabinet controls the control mode of the vision detection line, including the start and stop of the vision detection line and the transmission rate.
3. The apparatus of claim 1, wherein the apparatus is used for visually inspecting a belt conveyor for static defects in products, and comprises: the camera system comprises a plurality of camera units with different heights, and the camera units with different heights are used for detecting products with different heights.
4. The apparatus of claim 1, wherein the apparatus is used for visually inspecting a belt conveyor for static defects in products, and comprises: the PLC control cabinet and the visual detection system, and the visual detection system and the camera system are connected by TCP/IP communication interfaces.
5. The apparatus of claim 1, wherein the apparatus is used for visually inspecting a belt conveyor for static defects in products, and comprises: the visual inspection system is characterized by further comprising an alarm indicator lamp, and when the visual inspection system judges that the product has defects, the alarm indicator lamp indicates to alarm.
6. The apparatus of claim 5, wherein said apparatus is used for inspecting static defects on a belt conveyor: the detection method of the static detection product defect equipment for the visual detection belt conveyor specifically comprises the following steps:
firstly, leading a production plan sheet of the current day into a visual inspection system by a worker;
starting an automatic mode of visual inspection defect equipment and an automatic mode of a product conveying line;
placing products at the inlet of the visual detection area one by one, enabling the bar codes to face upwards, and sequentially conveying the two cameras on the visual detection line to the static bar codes on the real-time photographed products;
transmitting the real-time image information to a visual inspection defect system for analysis through TCP/IP communication;
and the visual inspection defect system obtains a final result and transmits the final result to the PLC control system in real time in a TCP/IP communication manner, so that the corresponding action of the visual inspection conveying line is controlled.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110698263.4A CN113552132A (en) | 2021-06-23 | 2021-06-23 | Static product defect detection equipment for visual detection belt conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110698263.4A CN113552132A (en) | 2021-06-23 | 2021-06-23 | Static product defect detection equipment for visual detection belt conveyor |
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| CN113552132A true CN113552132A (en) | 2021-10-26 |
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| CN202110698263.4A Pending CN113552132A (en) | 2021-06-23 | 2021-06-23 | Static product defect detection equipment for visual detection belt conveyor |
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Citations (7)
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2021
- 2021-06-23 CN CN202110698263.4A patent/CN113552132A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| US5247154A (en) * | 1991-01-17 | 1993-09-21 | Westinghouse Electric Corp. | Method and apparatus for monitoring the laser marking of a bar code label |
| WO1997033248A1 (en) * | 1996-03-06 | 1997-09-12 | Baker Christopher A | Mail code evaluation system |
| CN202204780U (en) * | 2011-09-09 | 2012-04-25 | 大树智能科技(南京)有限公司 | Visual online detection system for carton sealing machine carton packing quality |
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