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WO2021179777A1 - Procédé de retrait de sac d'emballage défectueux - Google Patents

Procédé de retrait de sac d'emballage défectueux Download PDF

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Publication number
WO2021179777A1
WO2021179777A1 PCT/CN2021/070237 CN2021070237W WO2021179777A1 WO 2021179777 A1 WO2021179777 A1 WO 2021179777A1 CN 2021070237 W CN2021070237 W CN 2021070237W WO 2021179777 A1 WO2021179777 A1 WO 2021179777A1
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WO
WIPO (PCT)
Prior art keywords
defective
rejecting
packaging bag
rejection
packaging bags
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/070237
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English (en)
Chinese (zh)
Inventor
冉浩
张福
刘敏
包成云
贺军鑫
张海涛
马金龙
杨静
胡明华
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2021179777A1 publication Critical patent/WO2021179777A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/04—Sorting according to size
    • B07C5/08—Sorting according to size measured electrically or electronically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/34—Sorting according to other particular properties
    • B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
    • B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/34—Sorting according to other particular properties
    • B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • B07C5/362—Separating or distributor mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting 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
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/38—Collecting or arranging articles in groups

Definitions

  • the invention relates to the technical field of packaging bag production, in particular to a method for rejecting defective packaging bags.
  • Packaging bags can be seen everywhere in our lives.
  • the existing packaging bag production process includes printing patterns on the film to obtain the packaging bag printing film, and then placing the rolled packaging bag printing film on the bag making machine and unwinding the packaging bag.
  • the purpose of the present invention is to provide a method for rejecting defective packaging bags, which can accurately detect and identify defective packaging bags, thereby realizing accurate rejection of defective products.
  • a method for rejecting defective packaging bags including the following steps: inspecting the packaging bag printing film, attaching a defective label to the defective packaging bag, and then winding; placing the rolled packaging bag printing film on the bag making machine and placing Roll processing packaging bags; connect the removal device at the bag outlet end of the bag making machine, and detect and identify defective labels on the bag making machine or the removal device; when the packaging bag with a defective label reaches the removal position of the removal device, the removal device corrects the defective label The packaging bags are rejected.
  • the packaging bag printing film is inspected in the printing section or the quality inspection section.
  • a visual inspection system is set up to inspect the printed film of the packaging bag.
  • the visual inspection system includes an image acquisition device that takes pictures of the printed film of the packaging bag and software for image analysis and judgment.
  • defective packaging bags include one or more of packaging bags with printing defects, packaging bags with pollution, packaging bags with foreign matter, and packaging bags with seams.
  • the defective label is detected and identified by detecting the thickness, color, conductivity, magnetism, light absorption or light reflection characteristics of the label.
  • a thickness detection device, a color detection device, a conductivity detection device, a magnetic detection device or a photoelectric detection device are provided on the bag making machine or the rejection device to detect and identify the defect label.
  • the thickness detection device includes a thickness sensor, which collects the thickness signal of the packaging bag; sets the thickness signal threshold according to the thickness of the defective label; when the thickness signal collected by the thickness sensor reaches the set threshold, It is judged that a defective label is detected.
  • the thickness detection device includes a distance sensor, which collects the distance signal on the surface of the packaging bag in the vertical direction; sets the threshold value of the distance signal according to the thickness of the defective label; and the distance signal collected by the distance sensor reaches When the threshold is set, it is determined that a defective label is detected.
  • the color detection device includes a color sensor that collects color signals on the surface of the packaging bag; sets the color signal threshold according to the color of the defective label; when the color signal collected by the color sensor reaches the set threshold , It is determined that a defective label is detected.
  • the conductivity detection device includes a conductivity sensor, which collects the conductivity signal on the surface of the packaging bag; sets the threshold of the conductivity signal according to the conductivity of the defective label; and the conductivity signal collected by the conductivity sensor reaches the set value. At the threshold, it is determined that a defective label is detected.
  • the magnetic detection device includes a magnetic sensor, which collects the magnetic signal on the surface of the packaging bag; sets the threshold of the magnetic signal according to the magnetic properties of the defective label; when the magnetic signal collected by the magnetic sensor reaches the set threshold , It is determined that a defective label is detected.
  • the photoelectric detection device includes a photoelectric sensor, which collects the light signal of the packaging bag; the threshold value of the light signal is set according to the light absorption or light reflection characteristics of the defective label; the light signal collected by the photoelectric sensor reaches the set value.
  • the threshold is set, it is determined that a defective label is detected.
  • the rejection device includes a transmission mechanism, a rejection channel, and a rejection mechanism.
  • the rejection channel includes a gap on the transmission mechanism.
  • the rejection mechanism is located above the rejection channel. Down to remove.
  • the rejection mechanism includes a pressing module and/or a guiding module.
  • the rejection mechanism receives the rejection signal, the rejection mechanism extends downwards, and the guiding module guides the packaging bag to the rejection channel, and the pressing module faces Reject the packaging bag under the channel.
  • the rejection mechanism receives the rejection signal before or when the packaging bag with the defective label arrives at the rejection channel.
  • the invention adopts the method of firstly detecting the defective packaging bag offline, sticking the defective label on the defective packaging bag, and then detecting and identifying the defective label online, and then removing it. Since the bag making machine is separated from the bag making machine during offline detection, the interference of the large vibration of the bag making machine on image collection and detection and recognition is avoided, so it can accurately detect and identify defective packaging bags. However, when detecting and identifying defective labels online, the detection accuracy is not high, so it can accurately detect and identify packaging bags with defective labels. In summary, the present invention can accurately detect and identify defective packaging bags, thereby achieving accurate rejection of defective products.
  • Figure 1 is a schematic diagram of the structure of unwinding and testing the printed film of packaging bags in the quality inspection section;
  • Figure 2 is a schematic diagram of the structure of the bag making machine and the reject device
  • Figure 3 is a schematic structural view of a thickness detection device set on the bag making machine
  • Figure 4 is a schematic diagram of the structure of the rejection device (before the rejection action);
  • Figure 5 is a schematic diagram of the structure of the rejection device (when the rejection is in action).
  • the articulation of the present invention refers to the contact or proximity between two mechanisms, so that the packaging bags of the upstream mechanism can be smoothly transported to the downstream mechanism.
  • the rejection mechanism may include only the pressing module, or only the guiding module, and may also include both the pressing module and the guiding module.
  • a method for rejecting defective packaging bags including the following steps:
  • the rejecting device 2 rejects the packaging bag with the defective label.
  • the packaging bag printing film can be detected in the printing section or the quality inspection section. This is an offline detection method. Because the bag making machine is separated from the bag making machine during offline detection, the vibration of the bag making machine is avoided Great interference to image acquisition and detection and identification, so it can accurately detect and identify defective packaging bags.
  • a visual inspection system is set up to detect the printed film of the packaging bag, including the printed film of the packaging bag.
  • Image acquisition device for taking pictures and software for image analysis and judgment.
  • the image collection device collects the pattern of the packaging bag, and the software compares the collected pattern with the predetermined pattern. If the collected pattern is inconsistent with the predetermined pattern, such as printing defects, pollution, foreign matter, and seams ( If the printed film of the packaging bag is cut, spliced and other reasons), it is judged to be a defective packaging bag, and an automatic labeling device or manual labeling method can be installed to paste a defective label on the defective packaging bag3.
  • Detecting and identifying defective labels on the bag making machine or rejecting device can detect and identify defective labels by detecting the thickness, color, conductivity, magnetism, light absorption or light reflection characteristics of the label. This is an online detection method. Although the bag making machine vibrates greatly, the detection and identification of defective labels does not require high detection accuracy, so it can accurately detect and identify packaging bags with defective labels.
  • a thickness detection device 4 is provided on the bag making machine 1 or the rejecting device to detect and identify the defect label 3.
  • the thickness detection device includes a thickness sensor, which collects the thickness signal of the packaging bag; sets the thickness signal threshold according to the thickness of the defective label; when the thickness signal collected by the thickness sensor reaches the set threshold, it is determined that the defective label is detected.
  • a thickness detection device is installed on the bag making machine or reject device to detect and identify defect labels.
  • the thickness detection device includes a distance sensor, which collects the distance signal of the surface of the packaging bag in the vertical direction; sets the threshold value of the distance signal according to the thickness of the defective label; when the distance signal collected by the distance sensor reaches the set threshold value, It is judged that a defective label is detected.
  • the color detection device includes a color sensor, the color sensor collects the color signal on the surface of the packaging bag; the threshold of the color signal is set according to the color of the defective label; when the color signal collected by the color sensor reaches the set threshold, it is determined that the defective label is detected .
  • a conductivity detection device is installed on the bag-making machine or rejecting device to detect and identify defect labels.
  • the conductivity detection device includes a conductivity sensor, which collects the conductivity signal on the surface of the packaging bag; sets the threshold of the conductivity signal according to the conductivity of the defective label; when the conductivity signal collected by the conductivity sensor reaches the set threshold, it is determined to be detected Defective label.
  • the magnetic detection device includes a magnetic sensor, the magnetic sensor collects the magnetic signal on the surface of the packaging bag; the threshold of the magnetic signal is set according to the magnetism of the defective label; when the magnetic signal collected by the magnetic sensor reaches the set threshold, it is determined that the defective label is detected .
  • a photoelectric detection device is installed on the bag making machine or the rejecting device to detect and identify the defective label.
  • the photoelectric detection device includes a photoelectric sensor, which collects the light signal of the packaging bag; the threshold value of the light signal is set according to the light absorption or light reflection characteristics of the defective label; when the light signal collected by the photoelectric sensor reaches the set threshold value, it is determined A defective label was detected.
  • the rejection device 2 includes a transmission mechanism 5, a rejection channel 6 and a rejection mechanism 7.
  • the rejection channel 6 includes a gap on the transmission mechanism 5.
  • the rejection mechanism 7 is located above the rejection channel 6, and the rejection mechanism 7 is connected to After the rejection signal, the packaging bag is rejected downward from the rejection channel 6.
  • the rejection mechanism 7 includes a pressing module and/or a guiding module.
  • the rejection mechanism 7 receives a rejection signal, the rejection mechanism 7 extends downwards, and the guiding module guides the packaging bag to The rejection channel 6 is pressed, and the pressing module presses down the packaging bag toward the rejection channel 6.
  • the rejection mechanism 7 may include only a pressing module, or may only include a guiding module, or may include a pressing module and a guiding module at the same time, and the guiding module and the pressing module are integrated in the figure.
  • the guiding module needs to perform the rejection action before the packaging bag with the defective label reaches the rejection channel 6, and the down pressing module needs to execute the rejection action when the packaging bag with the defective label reaches the rejection channel 6.
  • both the pressing module and the guiding module are included, the time accuracy requirements for the execution of the removal action can be appropriately relaxed.
  • the removal mechanism 7 receives the removal signal and executes the removal action. All can be eliminated.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Making Paper Articles (AREA)

Abstract

Procédé de retrait de sac d'emballage défectueux, comprenant les étapes suivantes consistant : à détecter un film d'impression de sac d'emballage, à coller une étiquette défectueuse (3) sur un sac d'emballage défectueux, puis à réaliser un roulage ; à placer le film d'impression de sac d'emballage enroulé sur une machine de fabrication de sacs (1), et à réaliser un déroulage à des fins de traitement de sac d'emballage ; à relier un dispositif de retrait (2) à une extrémité de sortie de sac de la machine de fabrication de sacs (1), et à détecter et à identifier l'étiquette défectueuse (3) sur la machine de fabrication de sacs (1) ou le dispositif de retrait (2) ; et lorsque le sac d'emballage ayant l'étiquette défectueuse (3) arrive à la position de retrait du dispositif de retrait (2), à retirer, par le dispositif de retrait (2), le sac d'emballage ayant l'étiquette défectueuse (3). Le procédé de retrait de sac d'emballage défectueux peut détecter et identifier précisément un sac d'emballage défectueux, ce qui permet d'obtenir un retrait de produit défectueux précis.
PCT/CN2021/070237 2020-03-08 2021-01-05 Procédé de retrait de sac d'emballage défectueux Ceased WO2021179777A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010154835.8 2020-03-08
CN202010154835.8A CN113426696A (zh) 2020-03-08 2020-03-08 包装袋次品剔除方法

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Publication Number Publication Date
WO2021179777A1 true WO2021179777A1 (fr) 2021-09-16

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WO (1) WO2021179777A1 (fr)

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CN115463863A (zh) * 2022-09-17 2022-12-13 李朋 一种食品包装袋密封性检测筛选设备
CN116511065A (zh) * 2023-06-06 2023-08-01 北京华夏视科技术股份有限公司 一种卷筒纸胶印印刷机纸张剔除装置及方法
CN117282687A (zh) * 2023-10-18 2023-12-26 广州市普理司科技有限公司 印刷品视觉检测自动剔补标控制系统
CN119327751A (zh) * 2024-10-28 2025-01-21 北京领视智联科技有限公司 一种软包装精确剔除系统及其工作方法
CN120736063A (zh) * 2025-08-14 2025-10-03 长沙睿展数据科技有限公司 一种基于工业以太网的包装设备自动剔除控制系统

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CN114043776A (zh) * 2021-11-29 2022-02-15 安徽银灵塑业有限公司 一种用于生产可降解型环保塑料袋的成型装置
CN114750510B (zh) * 2022-04-29 2024-02-02 道恩周氏(青岛)复合包装材料有限公司 一种缺陷标记及自动剔除方法、系统、设备、介质
CN119327750B (zh) * 2024-10-28 2025-04-29 北京领视智联科技有限公司 一种空白包装袋缺陷检测及剔除方法

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CN115184371A (zh) * 2022-08-05 2022-10-14 深圳市俱进纸品包装有限公司 一种礼盒印刷的瑕疵视觉检测装置
CN115320955A (zh) * 2022-09-15 2022-11-11 青岛星图智能装备有限公司 一种高效理袋工艺流程
CN115463863A (zh) * 2022-09-17 2022-12-13 李朋 一种食品包装袋密封性检测筛选设备
CN116511065A (zh) * 2023-06-06 2023-08-01 北京华夏视科技术股份有限公司 一种卷筒纸胶印印刷机纸张剔除装置及方法
CN117282687A (zh) * 2023-10-18 2023-12-26 广州市普理司科技有限公司 印刷品视觉检测自动剔补标控制系统
CN117282687B (zh) * 2023-10-18 2024-05-28 广州市普理司科技有限公司 印刷品视觉检测自动剔补标控制系统
CN119327751A (zh) * 2024-10-28 2025-01-21 北京领视智联科技有限公司 一种软包装精确剔除系统及其工作方法
CN120736063A (zh) * 2025-08-14 2025-10-03 长沙睿展数据科技有限公司 一种基于工业以太网的包装设备自动剔除控制系统

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