CN112240890A - Automatic bar code grade detection equipment - Google Patents
Automatic bar code grade detection equipment Download PDFInfo
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- CN112240890A CN112240890A CN202011465827.1A CN202011465827A CN112240890A CN 112240890 A CN112240890 A CN 112240890A CN 202011465827 A CN202011465827 A CN 202011465827A CN 112240890 A CN112240890 A CN 112240890A
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- 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
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- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention provides automatic bar code grade detection equipment, which relates to the field of bar code grade detection and comprises a support frame body, a light supplementing mechanism, a camera mechanism, a product fixing device, a camera lifting table, a controller, transmission equipment, a computer and a sensor. According to the invention, the problems of manual selection, single-chip detection, low working efficiency, incapability of realizing batch management and control, incapability of realizing automatic work, incapability of realizing industrial mass production, and the problems of manual frame selection, large influence factor and unstable test result in the conventional process are solved, and the equipment can realize automatic operation of barcode grade judgment and improve the stability of the detection result.
Description
Technical Field
The invention relates to the field of automatic bar code grade detection, in particular to automatic bar code grade detection equipment and a detection method.
Background
With the continuous development of science and technology, label bar codes play a vital role in the life field of people, such as food, beverage, medicine, packaging materials (adhesive stickers, paper cards, hanging labels, paper, plastic films), animals, plants, securities, passports, RMB and the like, and are used for identification, statistics, pricing and inspection. After the electronic tag is manufactured, identification and inspection are needed to judge whether the electronic tag is qualified or not, so that the electronic tag is proved to be qualified in the using process. The existing electronic tag identification equipment has a complex structure, cannot realize automation, is high in cost and is difficult to meet the requirements of industrial production.
The existing grade detection equipment is manually selected, only single-chip detection can be achieved, the working efficiency is low, batch management and control cannot be achieved, automatic work cannot be achieved, industrial mass production cannot be achieved, manual frame selection is needed in the existing process, influence factors are large, and a test result is not stable enough.
Disclosure of Invention
The invention aims to provide automatic bar code grade detection equipment and a detection method, so as to solve the technical problems.
In order to solve the technical problems, the invention adopts the following technical scheme: an automatic bar code grade detection device comprises a support frame body, a light supplementing mechanism, a camera mechanism, a product fixing device, a camera lifting table, a controller, transmission equipment, a computer and a sensor, wherein the support frame body comprises a base, an equipment body is arranged at the top of the base, a discharging shaft is arranged at the upper left end of the equipment body, a material receiving shaft is arranged at the upper right end of the equipment body, and the two shafts are kept to run synchronously; the controller is a PLC controller; the transmission equipment comprises a one-way speed regulating motor, and the one-way speed regulating motor is arranged on the equipment body; the light supplementing mechanism, the sensor and the product fixing device are all arranged on the equipment body.
Preferably, the one-way speed regulation motor is used for transmission and is matched with the PLC controller for work.
Preferably, the camera mechanism is installed on a camera lifting platform below the light supplementing mechanism and matched with the light supplementing mechanism.
Preferably, the mounting platforms of the camera mechanism and the light supplement mechanism can adjust the positions of the camera mechanism and the light supplement mechanism according to the capability of the detected bar code.
Preferably, the computer is connected to the camera mechanism for receiving, storing and processing the information conveyed by the camera mechanism.
An automatic bar code grade detection method comprises the following specific steps:
(1) the bar code material belt passes through a discharging shaft, a guide wheel, a sensor, a camera mechanism, a transmission shaft and a receiving shaft, and the guide shaft and the transmission shaft are used for balancing the material belt, so that the material belt is leveled and tensioned to ensure more accurate detection;
(2) opening a camera mechanism, a light supplementing mechanism and a debugging program, adjusting the camera mechanism and the light supplementing mechanism to proper positions for acquiring bar code content information and grade judgment data, and simultaneously, checking whether the setting of the camera mechanism is effective by a manual detection function control button arranged on an equipment panel;
(3) when the device is used, the camera mechanism is connected with the PLC, a software program which is developed in a matched way with the detection device carries out automatic statistics and analysis processing on bar code content information and grade judgment data received from the camera mechanism, the bar code is judged in 100 percent grade, the detection standard accords with the international universal standard, the bar code content information respectively comprises symbol contrast, axial inconsistency, grid inconsistency and unused error correction, the grade judgment data respectively comprises A, B, C, D and F, when the grade is A, the symbol contrast SC is more than or equal to 70 percent, the axial inconsistency AN is less than 0.06, the grid inconsistency is less than 0.38, unused error correction UEC is more than or equal to 0.62, when the grade is B, the symbol contrast SC is more than or equal to 55 percent, the axial inconsistency AN is more than or equal to 0.06, the grid inconsistency GN is more than or equal to 0.38, the unused error correction UEC is more than or equal to 0.5, and the error correction UEC is more than or equal to 0.62, when the grade is C, the grade is more than or equal to 40 percent, axial inconsistency AN <0.1 > 0.08, grid inconsistency GN <0.63 > 0.5 <0.37 < unused error correction UEC <0.5, when the grade is D, the symbol contrast SC is more than or equal to 20 percent and less than or equal to 40 percent, the axial inconsistency AN is more than or equal to 0.1 and less than 0.12, the grid inconsistency GN is more than or equal to 0.63 and less than 0.75, the unused error correction UEC is more than or equal to 0.25 and less than 0.37, when the level is F, the sign contrast SC <20%, axial disparity AN >0.12, grid disparity GN >0.75, unused error correction UEC <0.25, the label to be detected is continuously photographed for a plurality of times, the average value of the information is taken to judge the grade, the grade judging standard can be selected according to the requirement, if the grade is set as B grade, the computer program can be executed by, when the level is A, B, sending a halt instruction software out of the prompting window when the level is C, D, F, meanwhile, all detected valid bar codes can automatically generate a grade detection report, and pictures corresponding to the bar codes are automatically stored to a fixed position;
(4) in the using process, the detected bar code content information is automatically compared and checked with data in a pre-input networking shared database through an arithmetic unit of a PLC controller to judge whether the data is repeated, namely, the detected bar code content information is controlled by anti-duplication codes; the detected bar code content information and the data in the pre-input networking shared database can not find corresponding items, namely the air defense code control is carried out; checking whether the detected bar code content is few, multiple or inconsistent according to the code verification requirement, namely error-proof code control; the detection and judgment of the grade of the bar code does not meet the preset requirement, namely grade control is carried out, all the bar codes in the detection range are required to be read and judged at one time, the number of the bar codes which are judged at one time in the effective range is not limited, the minimum bar code size of 3 x 3mm is judged by the effective grade of the equipment, the arrangement mode in the effective detection range is not limited, all grade judgment results, bar code content information and pictures are stored in real time, the check is called when necessary, the equipment is stable, the misjudgment rate of the grade of the bar code is less than 1% due to the unstable walking of the equipment, and the normal execution efficiency of the equipment is more than or equal to 85; the type of barcode detectable by the device is not limited, such as: two-dimensional bar codes such as datamatrix code, QR code and PDF417 code, and one-bit bar codes such as code 39 code, code 93 code, code128 code, codebar code, UPC code, EAN code, code11 code, Chinese postal code ISBN code and ISSN code;
(5) the decoding data of all bar codes are compared with the database in real time, when repeated bar codes, wrong codes which do not accord with the coding rule, bar codes which cannot be scanned and the abnormity of which the grade does not accord with the requirement occur, the PLC sends a shutdown instruction, the software jumps out of a prompt window, a control circuit of the PLC sends the shutdown instruction, and the alarm device sends out sound and light to prompt an operator to process;
(6) and after the periodic detection is finished, all the detection data are automatically stored in the database for subsequent calling and extraction.
The invention has the beneficial effects that:
according to the invention, the problems of manual selection, single-chip detection, low working efficiency, incapability of realizing batch management and control, incapability of realizing automatic work, incapability of realizing industrial mass production, and the problems of manual frame selection, large influence factor and unstable test result in the conventional process are solved, and the equipment can realize automatic operation of grade judgment and improve the stability of the detection result.
Drawings
FIG. 1 is a schematic structural diagram of an automatic level detection apparatus according to the present invention;
reference numerals: 1-a base; 2-the equipment body; 3-a discharging shaft; 4-receiving shaft; 5-one-way speed regulating motor; 6-a guide wheel; 7-a sensor; 8-a transmission shaft.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, an automatic barcode grade detection device comprises a support frame, a light supplementing mechanism, a camera mechanism, a product fixing device, a camera lifting table, a controller, a transmission device, a computer and a sensor 7, wherein the support frame comprises a base 1, an equipment body 2 is arranged on the top of the base 1, a discharging shaft 3 is arranged at the left upper end of the equipment body 2, a material receiving shaft 4 is arranged at the right upper end of the equipment body 2, and the two shafts are kept to run synchronously; the controller is a PLC controller; the transmission equipment comprises a one-way speed regulating motor 5, and the one-way speed regulating motor 5 is arranged on the equipment body 2; light filling mechanism, sensor 7, product fixing device all set up on equipment body 2, the transmission of one-way speed governing motor 5, with PLC controller cooperation work, camera mechanism installs on the camera elevating platform of light filling mechanism below, and with light filling mechanism cooperatees, for the mount table of camera mechanism and light filling mechanism, can adjust the position of camera structure and light filling mechanism according to the ability that is detected the bar code, the computer with camera mechanism is connected for receive, store and handle its information of carrying.
An automatic bar code grade detection method comprises the following specific steps: (1) the bar code material belt passes through a discharging shaft 3, a guide wheel 6, a sensor 7, a camera mechanism, a transmission shaft 8 and a receiving shaft 4, and the guide wheel 6 and the transmission shaft 8 are used for balancing the material belt, so that the material belt is leveled and tensioned to ensure more accurate detection;
(2) opening a camera mechanism, a light supplementing mechanism and a debugging program, adjusting the camera mechanism and the light supplementing mechanism to proper positions for acquiring bar code content information and grade judgment data, and simultaneously, checking whether the setting of the camera mechanism is effective by a manual detection function control button arranged on an equipment panel;
(3) when the device is used, the camera mechanism is connected with the PLC, a software program which is developed in a matched way with the detection device carries out automatic statistics and analysis processing on bar code content information and grade judgment data received from the camera mechanism, the bar code is judged in 100 percent grade, the detection standard accords with the international universal standard, the bar code content information respectively comprises symbol contrast, axial inconsistency, grid inconsistency and unused error correction, the grade judgment data respectively comprises A, B, C, D and F, when the grade is A, the symbol contrast SC is more than or equal to 70 percent, the axial inconsistency AN is less than 0.06, the grid inconsistency is less than 0.38, unused error correction UEC is more than or equal to 0.62, when the grade is B, the symbol contrast SC is more than or equal to 55 percent, the axial inconsistency AN is more than or equal to 0.06, the grid inconsistency GN is more than or equal to 0.38, the unused error correction UEC is more than or equal to 0.5, and the error correction UEC is more than or equal to 0.62, when the grade is C, the grade is more than or equal to 40 percent, axial inconsistency AN <0.1 > 0.08, grid inconsistency GN <0.63 > 0.5 <0.37 < unused error correction UEC <0.5, when the grade is D, the symbol contrast SC is more than or equal to 20 percent and less than or equal to 40 percent, the axial inconsistency AN is more than or equal to 0.1 and less than 0.12, the grid inconsistency GN is more than or equal to 0.63 and less than 0.75, the unused error correction UEC is more than or equal to 0.25 and less than 0.37, when the level is F, the sign contrast SC <20%, axial disparity AN >0.12, grid disparity GN >0.75, unused error correction UEC <0.25, the label to be detected is continuously photographed for a plurality of times, the average value of the information is taken to judge the grade, the grade judging standard can be selected according to the requirement, if the grade is set as B grade, the computer program can be executed by, when the level is A, B, sending a halt instruction software out of the prompting window when the level is C, D, F, meanwhile, all detected valid bar codes can automatically generate a grade detection report, and pictures corresponding to the bar codes are automatically stored to a fixed position;
(4) in the using process, the detected bar code content information is automatically compared and checked with data in a pre-input networking shared database through an arithmetic unit of a PLC controller to judge whether the data is repeated, namely, the detected bar code content information is controlled by anti-duplication codes; the detected bar code content information and the data in the pre-input networking shared database can not find corresponding items, namely the air defense code control is carried out; checking whether the detected bar code content is few, multiple or inconsistent according to the code verification requirement, namely error-proof code control; the detection and judgment of the grade of the bar code does not meet the preset requirement, namely grade control is carried out, all the bar codes in the detection range are required to be read and judged at one time, the number of the bar codes which are judged at one time in the effective range is not limited, the minimum bar code size of 3 x 3mm is judged by the effective grade of the equipment, the arrangement mode in the effective detection range is not limited, all grade judgment results, bar code content information and pictures are stored in real time, the check is called when necessary, the equipment is stable, the misjudgment rate of the grade of the bar code is less than 1% due to the unstable walking of the equipment, and the normal execution efficiency of the equipment is more than or equal to 85; the type of barcode detectable by the device is not limited, such as: two-dimensional bar codes such as datamatrix code, QR code and PDF417 code, and one-bit bar codes such as code 39 code, code 93 code, code128 code, codebar code, UPC code, EAN code, code11 code, Chinese postal code ISBN code and ISSN code;
(5) the decoding data of all bar codes are compared with the database in real time, when repeated bar codes, wrong codes which do not accord with the coding rule, bar codes which cannot be scanned and the abnormity of which the grade does not accord with the requirement occur, the PLC sends a shutdown instruction, the software jumps out of a prompt window, a control circuit of the PLC sends the shutdown instruction, and the alarm device sends out sound and light to prompt an operator to process;
(6) and after the periodic detection is finished, all the detection data are automatically stored in the database for subsequent calling and extraction.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides an automatic bar code grade check out test set, includes support frame body, light filling mechanism, camera mechanism, product fixing device, camera elevating platform, controller, transmission equipment, computer and sensor, its characterized in that: the supporting frame body comprises a base (1), an equipment body (2) is arranged at the top of the base (1), a discharging shaft (3) is arranged at the upper left end of the equipment body (2), a material receiving shaft (4) is arranged at the upper right end of the equipment body (2), and the two shafts are kept to run synchronously; the controller is a PLC controller; the transmission equipment comprises a one-way speed regulating motor (5), and the one-way speed regulating motor (5) is arranged on the equipment body (2); the light supplementing mechanism, the sensor and the product fixing device are all arranged on the equipment body; the one-way speed regulating motor is used for transmission and is matched with the PLC to work; the camera mechanism is arranged on a camera lifting platform below the light supplementing mechanism and matched with the light supplementing mechanism; the mounting platforms of the camera mechanism and the light supplementing mechanism can adjust the positions of the camera mechanism and the light supplementing mechanism according to the capability of the detected bar code; the computer is connected with the camera mechanism and is used for receiving, storing and processing the information transmitted by the camera mechanism; the automatic bar code grade detection method of the automatic bar code grade detection equipment comprises the following steps:
(1) the bar code material belt passes through a discharging shaft, a guide wheel, a sensor, a camera mechanism, a transmission shaft and a receiving shaft, and the guide shaft and the transmission shaft are used for balancing the material belt, so that the material belt is leveled and tensioned to ensure more accurate detection;
(2) opening a camera mechanism, a light supplementing mechanism and a debugging program, adjusting the camera mechanism and the light supplementing mechanism to proper positions for acquiring bar code content information and grade judgment data, and simultaneously, checking whether the setting of the camera mechanism is effective by a manual detection function control button arranged on an equipment panel;
(3) when the detection device is used, the camera mechanism is connected with the PLC, a software program which is developed by matching with the detection device carries out automatic statistics and analysis processing on bar code content information and grade judgment data which are received from the camera mechanism, the bar code content information respectively comprises sign contrast, axial inconsistency, grid inconsistency and unused error correction, the grade judgment data respectively comprises A, B, C, D and F, a label to be detected is continuously photographed for multiple times, the average value of the information is taken for judging the grade, the standard of grade judgment can be selected according to requirements, simultaneously all detected effective bar codes can automatically generate a grade detection report, and a picture corresponding to the bar code is automatically stored to a fixed position;
(4) in the using process, the detected bar code content information is automatically compared and checked with data in a pre-input networking shared database through an arithmetic unit of a PLC controller to judge whether the data is repeated, namely, the detected bar code content information is controlled by anti-duplication codes; the detected bar code content information and the data in the pre-input networking shared database can not find corresponding items, namely the air defense code control is carried out; checking whether the detected bar code content is few, multiple or inconsistent according to the code verification requirement, namely error-proof code control; the detection and judgment of the bar code grade does not meet the preset requirement, namely grade control is carried out, all bar codes in the detection range are required to be read and judged at one time, the number of the bar codes which are judged at one time in the effective range is not limited, the minimum bar code size of 3 x 3mm is judged by the effective grade of equipment, the grouping mode in the effective detection range is not limited, all grade judgment results, bar code content information and pictures are stored in real time, and the check is called when necessary;
(5) the decoding data of all bar codes are compared with the database in real time, when repeated bar codes, wrong codes which do not accord with the coding rule, bar codes which cannot be scanned and the abnormity of which the grade does not accord with the requirement occur, the PLC sends a shutdown instruction, the software jumps out of a prompt window, a control circuit of the PLC sends the shutdown instruction, and the alarm device sends out sound and light to prompt an operator to process;
(6) and after the periodic detection is finished, all the detection data are automatically stored in the database for subsequent calling and extraction.
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| CN202011465827.1A CN112240890A (en) | 2020-12-14 | 2020-12-14 | Automatic bar code grade detection equipment |
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