JP2013184735A - Inspection image display device for packaging machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a packaging machine which enables inspection circumstances to be easily understand.SOLUTION: An image inspection means uses image data of given information obtained by capturing an image by means of an imaging means in a film conveyance path to determine whether the given information is good or not, and the image data for each packaging cycle and a result determined by the image inspection means are stored into a storage part 32. A control means controls to store determination information on the prescribed number of packaging cycles before the last packaging cycle into a latest storage table 32a in the storage part 32, and also store defective determination information, out of determination information prior to determination information on the prescribed number of packaging cycles, into a defective storage table 32b, and arrange and display the image data in inspection order on a history list display part of a history display screen based on the determination information stored in the respective storage tables 32a and 32b.

Description

  The present invention relates to an inspection image display device that inspects the quality of printing or the like attached to a film during a film transport process in a packaging machine.

  As disclosed in Patent Document 1, there has been proposed an inspection apparatus that performs a quality inspection of a print printed on a film in the course of conveying the film. This inspection device picks up the image printed on the film, performs a pass / fail inspection, displays the inspection image on the monitor each time the inspection object is inspected, and can check the inspection status by this screen display. .

JP 2010-260627 A

  When the inspection by the inspection device described above is performed during the film transport process in the packaging machine, the display of the inspection result performed for each packaging cycle can be performed only during the continuous operation of the packaging machine only by displaying the screen every time it is inspected. It switches instantly and it is difficult to confirm the actual test result, and the test status cannot be grasped.

  The present invention has been proposed in view of the above-described problems related to the prior art, and can be confirmed by image data in which the inspection status of additional information on the film is recorded. An object of the present invention is to provide an inspection image display device in a machine.

In order to overcome the above-mentioned problems and achieve the intended purpose, an inspection image display device in a packaging machine according to claim 1 of the present application,
In the inspection image display device in the packaging machine for inspecting the quality of the information given to the film in the transport route of the belt-like film until the product is wrapped with the film drawn from the film supply source,
An imaging means that is disposed in the transport path and images the application information of the belt-shaped film for each packaging cycle;
Image inspection means for determining the quality of the given information from image data obtained by imaging with the imaging means;
A storage unit that stores image data for each packaging cycle and a determination result by the image inspection unit;
Control means for displaying the image data for each packaging cycle stored in the storage unit and the determination result corresponding to the image data on the display means as determination information;
The control means stores the determination information for the specified number of packaging cycles before the immediately preceding packaging cycle in the latest storage table in the storage unit, and the determination information before the specified number of packaging cycles is a defect determination. The information is stored in a defect storage table, and the image data is arranged and displayed in the order of inspection on the history list display section of the history display screen based on the determination information stored in each of the storage tables.
According to the first aspect of the present invention, it is possible to store the image data of the application information of the film imaged by the imaging means and the determination information obtained by combining the determination results, and display the determination information in a list in the order of examination on the history display screen. Therefore, it is possible to accurately grasp the situation at the time of abnormality and cope with it. Moreover, since determination information is not memorize | stored more than a regulation packaging cycle in a memory | storage part, the memory capacity required for a memory | storage part can be suppressed.

In the invention according to claim 2, the history list display unit displays a plurality of pieces of determination information including the image data, the inspection date and the determination result, and displays the remaining determination information not displayed on the history list display unit. An operation unit capable of displaying in order is provided.
According to the second aspect of the present invention, it is possible to sequentially display in the history list display section the determination information in which the inspection date and time and the inspection determination result are combined with the image data. can do.

According to a third aspect of the invention, there is provided an enlarged display unit that enlarges and displays the selected image data by an operation of selecting any image data of the determination information displayed on the history list display unit. To do.
According to the third aspect of the invention, the specific determination information can be enlarged and displayed from the history list display unit to the enlarged display unit, so that the grasping degree of the inspection result is improved.

The invention according to claim 4 is characterized in that only the defect determination information is stored in the defect storage table, and the image data of the determination information is arranged and displayed in the inspection list on the history list display unit. To do.
According to the invention of claim 4, since only the defect determination information is stored in the defect storage table, and the determination information is arranged and displayed on the history list display unit in the order of inspection. It is possible to reduce the storage capacity required for the system.

In the invention which concerns on Claim 5, the said image test | inspection means test | inspects several provision information as the film corresponding to one packaging cycle is conveyed, The said memory | storage part is about the all of several provision information. The determination information is stored in the latest storage table and the defective storage table for each given information.
According to the invention which concerns on Claim 5, it memorize | stores in the newest memory table and the defect memory table for every the several grant information about all the some grant information inspected in connection with the film corresponding to one packaging cycle being conveyed. Therefore, it is possible to accurately grasp the situation at the time of abnormality of each given information and cope with it.

In the invention which concerns on Claim 6, the said image inspection means performs the quality determination of the some provision information attached | subjected to the film as the film corresponding to one packaging cycle is conveyed,
The control means displays a list of determination information obtained by the image inspection means on an inspection list screen, and includes determination information for a plurality of inspection objects in an ongoing packaging cycle and a plurality of determination information for each packaging cycle. The obtained comprehensive evaluation information is displayed, and the history display screen is displayed by an operation for designating any of the determination information displayed in a list.
According to the invention which concerns on Claim 6, while being able to confirm the determination information of several test object on one test | inspection list screen, it is also possible to confirm the comprehensive evaluation of several test object in one packaging cycle, The results can be grasped immediately

  According to the inspection image display device in the packaging machine according to the present invention, since the inspection result can be confirmed later by the image data recording the inspection state of the additional information on the film, the inspection state can be easily grasped.

It is a schematic diagram which shows the example which applied this invention to the horizontal bag-making filling machine. It is explanatory drawing which shows the test | inspection list screen of an Example, Comprising: (a) shows the case where there are three test objects, (b) shows the case where there are two test objects. It is explanatory drawing which shows the log | history display screen of an Example. It is explanatory drawing which shows the relationship between the packaging cycle in the memory | storage part of an Example, and determination information.

  Next, an inspection image display device in a packaging machine according to the present invention will be described below with reference to the accompanying drawings, taking an example of application to a horizontal bag making and filling machine.

  As shown in FIG. 1, a horizontal bag making and filling machine as a packaging machine according to the present invention has a bag forming means 12 after a belt-like film F drawn from a film supply source 10 is wound around and guided by a plurality of guide rollers 11. The article G is supplied by the article supply mechanism 14 into the cylindrical film F obtained by being formed into a cylindrical shape at a predetermined interval, and the vertical seal mechanism 16 is used to vertically seal the overlapping portion of the cylindrical film F. Composed. Then, a lateral seal mechanism 18 performs a lateral seal in a direction intersecting the transport direction of the tubular film F at the front and rear positions between which the article G supplied in the tubular film F is sandwiched, and the package P is obtained by cutting. I have to. The horizontal bag making and filling machine uses a packaging control unit 24 of the control means 22 to provide various operating mechanisms including a film transport mechanism including a feed roller 20 for feeding a film F, an article supply mechanism 14 and a lateral seal mechanism 18 as a packaging type. Drive control is performed according to the operation parameters set for each. In addition, the horizontal bag making and filling machine performs setting of the operation parameter by a touch operation on an operation screen of the display unit and a display unit that displays operation conditions, various setting conditions of the operation parameter, determination information described later, and the like. An input / display unit 26 having a function of an input unit, such as a touch panel display, is provided.

  As shown in FIG. 1, the horizontal bag making and filling machine has a printing path attached to the film F on the conveyance path from the film supply source 10 until the film F is formed into a cylindrical shape by the bag making means 12. An image pickup means 28 for picking up the assigned information such as a label or a barcode is provided. The image sensor 28 uses a line sensor using an image sensor such as a CCD or CMOS, and is transporting the film F every time a film F for one packaging length is transported through the transport path every packaging cycle. In addition, it is possible to image various kinds of information such as date and time of manufacture such as date of manufacture, labels attached to the film F with a labeler, and barcodes attached to the film F. Here, as the film F for one wrapping length is conveyed in one wrapping cycle, a plurality of images obtained by the image processing means obtained by imaging a plurality of application information attached to the film F by the imaging means 28. The quality of the data is judged by the image inspection means 30 of the control means 22. Note that the image data is preferably uncompressed image data in a bitmap format. Further, the image data may be stored in the storage unit 32 in a compressed image data format such as JPEG format or GIF format within a range that does not affect the visual judgment of the inspection result.

  The image inspecting means 30 inspects the image data from the image data such as the position and correctness of printing, fading and distortion of printing, the state of labeling and distortion, the quality of barcode information attached to the film F, and the like. Whether or not the given information is acceptable is determined based on a standard defined for each. In addition, the determination result by the image inspection means 30 is associated with the product number as a packaging product for each packaging cycle for each of the plurality of inspection objects, and the image data as the determination information for each of the plurality of inspection objects for each packaging cycle is acceptable. The determination result and the inspection date and time are stored in the storage unit 32 for each inspection object. The storage unit 32 can use a readable / writable storage device such as a non-volatile memory such as a flash memory or a magnetic disk such as an externally connected hard disk. In addition to the determination information, the storage unit 32 can be used for the operation of the horizontal bag making and filling machine. Parameters such as control data for the packaging control unit 24 of various operating mechanisms and adjustment mechanisms that are necessary are also stored.

  As shown in FIG. 4, the storage unit 32 uses the determination information about a plurality of specified packaging cycle numbers Na before the immediately preceding packaging cycle as the latest determination information regardless of whether the determination by the image inspection unit 30 is good or not. It has a latest storage table 32a for storing data, and a defect storage table 32b for storing a plurality of specified packaging cycles for the defect determination information before the specified packaging cycle stored in the latest storage table 32a. And the latest memory | storage table 32a memorize | stores the newest determination information for several predetermined | prescribed packaging cycle number Na. Further, when the number of packaging cycles exceeding the number that can be stored in the latest storage table 32a is reached, the determination information (defect determination information) that has been determined to be defective up to that point is stored for a plurality of specified packaging cycle numbers. In this example, the number of specified packaging cycles stored in the defect storage table 32b is set larger than that in the latest storage table 32a. That is, for the specified packaging cycle number Na before the immediately preceding packaging cycle, the latest determination information is accumulated in the latest storage table 32a of the storage unit 32 regardless of the quality of the determination, and the packaging exceeding the specified packaging cycle number Na. When the determination information that has been stored in the latest storage table 32a until now for the cycle is defect determination information, the defect determination information is shifted from the latest storage table 32a to the defect storage table 32b, and new to the latest storage table 32a. The stored data in the storage unit 32 is updated so that correct determination information is added. Then, the defect determination information shifted from the latest storage table 32a is sequentially accumulated in the defect storage table 32b until the predetermined number of packaging cycles is reached. In addition, if the defect determination information is shifted from the latest storage table 32a after reaching the specified number of packaging cycles that can be stored in the defect storage table 32b, the oldest defect determination information in the defect storage table 32b is erased and shifted. The data is updated so that the determined defect determination information is stored in the defect storage table 32b. If new determination information is stored in the latest storage table 32a and the number of packaging cycles Na that can be stored in the latest storage table 32a exceeds the number Na of defective determination information in the latest storage table 32a, the latest storage table 32a. Erase the oldest latest judgment information. As described above, the determination information about the specified packaging cycle number Na before the immediately preceding packaging cycle is accumulated in the latest storage table 32a, and the defect storage table 32b has a value before the specified packaging cycle number Na in the latest storage table 32a. Only the defect determination information about the packaging cycle is stored in the inspection order. The defect storage table 32b can store not only the packaging cycle determined to be defective but also a predetermined packaging cycle before and after the packaging cycle determined to be defective in the storage unit 32 as defect determination information. The number of packaging cycles that can be stored in the latest storage table 32a and the defective storage table 32b is preferably, for example, about several tens to several hundreds of packaging cycles. Depending on the storage capacity of the storage unit 32, several thousand packaging cycles can be stored. Is possible.

  As shown in FIG. 2, the display screen of the input / display means 26 includes an inspection list screen 34 that displays a list of determination information for a plurality of inspection objects for each packaging cycle during operation of the horizontal bag making and filling machine, The inspection list screen 34 is provided with a determination information display unit 35 for the determination information of each inspection object, and an evaluation display unit 36 for displaying comprehensive evaluation information of determination results of all the inspection objects. Here, in each determination information display unit 35, an inspection image which is image data obtained by the image processing unit 28 and captured by the image capturing unit 28, and “OK” or “NG” indicating whether the determination result is good or bad are displayed. Made. In addition, the determination information display unit 35 on the examination list screen 34 is displayed as a list in an arrangement in which the display size can be displayed at maximum according to the number of examination targets. That is, when there are a plurality of inspection objects, for example, as shown in FIG. 2A, there are three dates, labels, and barcodes, the inspection list screen 34 includes three determination information display sections 35. If the determination information display sections 35 are arranged in the same upper and lower stages and the sizes of the determination information display sections 35 are the same, and as shown in FIG. The display units 35 are arranged in two upper and lower stages with the same size. Further, on any inspection list screen 34, an evaluation display unit 36 that displays the quality of the overall determination of a plurality of inspection targets as “OK” or “NG” is arranged on the side of the determination information display unit 35. The inspection list screen 34 is provided with a history confirmation button 38 that reads and displays the determination information stored in the storage unit 32 with respect to the determination result so that any of the inspection objects can be specified. In the example shown in FIG. , Three history confirmation buttons 38 are provided corresponding to each of the three inspection objects of date, label, and barcode, and in the example shown in FIG. 2B, each of the two inspection objects of date and label is provided. Correspondingly, two history confirmation buttons 38 are provided. In the inspection list screen 34, the display information of the determination information display unit 35 and the evaluation display unit 36 is sequentially displayed so that the inspection result is switched and displayed for each packaging cycle during the operation of the horizontal bag making and filling machine. Updated.

  By a touch operation of the history confirmation button 38 for a specific inspection target on the inspection list screen 34, the display is switched to a history display screen 40 for displaying the inspection history of the specific inspection target as shown in FIG. The history display screen 40 enlarges the determination information of a history list display unit 41 in which the determination information is displayed in a list in a line-up state in the order of inspection, and any of a plurality of packaging cycles displayed on the history list display unit 41. And an enlarged display section 42 for displaying. The determination information is selected and displayed on the enlarged display unit 42 by a touch operation on the inspection image of a specific packaging cycle in the determination information of the history list display unit 41. In addition, by touching the forward button (operation unit) 44 and the reverse button (operation unit) 45, the determination information arranged in the history list display unit 41 is scrolled by the number of list displays or by one frame of one determination information. By switching the display, the remaining determination information that is not displayed on the history list display unit 41 can be displayed in order, and the history of all the determination information stored in the storage unit 32 can be displayed. Here, in the history list display unit 41, a plurality of determination information corresponding to the specified packaging cycle Na accumulated in the latest storage table 32a and the rear side (right side in the figure) of this group are continuously displayed. The inspection images of the plurality of pieces of defect determination information corresponding to the specified packaging cycle stored in the defect storage table 32b are displayed in a grouped state and arranged in the inspection order. Note that the history list display unit 41 in the example illustrated in FIG. 3 indicates the display state of the latest determination information in the latest storage table 32a. Further, in the display unit denoted by reference numeral 48, the determination information displayed on the enlarged display unit 42 is the xth from the front in the order of inspection among the latest determination information for the specified number of packaging cycles Na stored in the latest storage table 32a. Represents that.

  As described above, the history display screen 40 displays the latest inspection history of the packaging cycle when the history confirmation button 38 on the inspection list screen 34 is touched. During operation of the horizontal bag making and filling machine, as described above, each of the latest storage table 32a and the defective storage table 32b in the storage unit 32 is sequentially updated to determination information corresponding to the current latest packaging cycle, The determination information corresponding to the latest packaging cycle at the time of the update operation by the touch operation of the history update button 46 provided on the history display screen 40 is updated in the history list display unit 41 of the history display screen 40 with the latest determination information, the defect determination information, and Are listed in the order of inspection. In the enlarged display section 42 displayed by the update operation by the history update button 46, the determination information for the latest packaging cycle at the time of history update is selectively displayed. As described above, the determination information for the selected specific packaging cycle is displayed on the enlarged display unit 42 by an operation of touching and selecting the determination information frame for the arbitrary packaging cycle displayed on the history list display unit 41. can do. In this way, the inspection history can be confirmed on the history display screen 40 at all times, even when the horizontal bag making and filling machine is in operation.

  In this way, the storage unit 32 stores the determination information in which the inspection date and the inspection determination result are combined for a plurality of additional information in association with the package type data such as the product code in the inspection image, and the determination information is stored in the storage unit 32. Since the list can be displayed in the order of inspection on the history display screen 40, the determination information can be confirmed on the history display screen 40 even in a packaging machine having a packaging capacity exceeding, for example, several tens of cycles. Can be dealt with accurately. In addition, all determination information is stored in the storage unit 32 as the latest storage table 32a regardless of the determination result from the latest inspection until the specified packaging cycle, and the determination information is displayed on the history display screen 40. Therefore, it is possible to confirm the tendency of the modulation in the cycle before and after the abnormality on the screen 40. It is possible to confirm determination information for a plurality of inspection objects on one inspection list screen 34, and it is also possible to confirm a comprehensive evaluation of a plurality of inspection objects in one packaging cycle, so that the inspection results can be grasped immediately. And since specific determination information can be enlarged and displayed on the enlarged display part 42 from the log | history list display part 41, it can be visually recognized, and the grasping degree of a test result improves. In addition, since the determination information is not stored in the storage unit 32 more than a certain unit, the storage capacity required for the storage unit 32 can be suppressed. In accordance with all the determination information for the latest specified number of packaging cycles Na, only the defect determination information is stored in the storage unit 32 for the previous packaging cycle, so that it is easy to check the abnormality, and the storage unit 32 at the time of abnormality It is possible to reduce the storage capacity required for the system.

(Example of change)
The present invention is not limited to the configuration of the embodiment, and can be modified as follows, for example. Further, not limited to the following modification examples, various embodiments may be adopted for the configurations described in the examples within the scope of the gist of the present invention.
(1) The packaging machine can be applied not only to horizontal and vertical packaging machines but also to various film packaging machines capable of inspecting information given to a film through a film conveyance path.
(2) An input unit such as a keyboard, a button, or a changeover switch and a display unit such as a display panel may be independent.
(3) The determination information may be stored for each package type, and the stored determination information may be displayed on the display unit for each specified package type.

10 film supply source, 22 control means, 26 input / display means (display means),
28 imaging means, 30 image inspection means, 32 storage unit, 32a latest storage table,
32b defect storage table, 34 inspection list screen, 40 history display screen,
41 history list display section, 42 enlarged display section, 44 forward button (operation section),
45 Reverse feed button (operation part), F film, G article

Claims (6)

Inspection image in a packaging machine that inspects the quality of the information given to the film (F) in the transport path of the strip film (F) until the article (G) is wrapped with the film (F) drawn from the film supply source (10) In the display device,
An imaging means (28) disposed in the transport path and imaging the application information of the strip film (F) for each packaging cycle;
Image inspection means (30) for judging the quality of the given information from image data obtained by imaging with the imaging means (28),
A storage unit (32) for storing image data for each packaging cycle and a determination result by the image inspection means (30);
Control means (22) for displaying on the display means (26) as determination information the image data for each packaging cycle stored in the storage unit (32) and the determination result corresponding to the image data,
The control means (22) stores determination information for the specified number of packaging cycles before the immediately preceding packaging cycle in the latest storage table (32a) in the storage unit (32), and from the specified number of packaging cycles. The previous determination information is stored in the defect storage table (32b) for the defect determination information, and based on the determination information stored in each of the storage tables (32a, 32b), a history list display unit (40) of the history display screen (40) 41) An inspection image display device in a packaging machine, wherein the image data is arranged and displayed in the inspection order.   The history list display unit (41) displays a plurality of determination information including the image data, the inspection date and the determination result, and displays the remaining determination information not displayed in the history list display unit (41) in order. The inspection image display device in the packaging machine according to claim 1, further comprising an operation unit (44, 45) capable of being operated.   An enlarged display section (42) is provided for enlarging and displaying the selected image data by an operation of selecting any image data of the determination information displayed on the history list display section (41). Item 3. An inspection image display device in a packaging machine according to item 1 or 2.   The defect storage table (32b) stores only defect determination information, and the history list display unit (41) displays the image data of the determination information in an order of inspection. The inspection image display apparatus in the packaging machine as described in any one of claim | item 1 -3.   The image inspection means (30) inspects a plurality of application information as the film (F) corresponding to one packaging cycle is conveyed, and the storage unit (32) is configured for all of the plurality of application information. In the packaging machine according to any one of claims 1 to 4, wherein the determination information is stored in the latest storage table (32a) and the defect storage table (32b) for each given information. Inspection image display device. The image inspecting means (30) performs pass / fail determination of a plurality of attached information attached to the film (F) as the film (F) corresponding to one packaging cycle is conveyed,
The control means (22) displays a list of determination information obtained by the image inspection means (30) on the inspection list screen (34), and each determination information for a plurality of inspection objects in an ongoing packaging cycle, The overall evaluation information obtained from a plurality of judgment information for each packaging cycle is displayed, and the history display screen (40) is displayed by an operation for designating any judgment information displayed in a list. The inspection image display apparatus in the packaging machine as described in any one of Claims 1-5.

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