Management system

Abstract

The invention provides a management system capable of coping with occurrence of abnormality of a film. The film forming apparatus comprises: a processing unit for processing an original roll film into a product film; a transport unit that transports the original roll film so that the original roll film passes through the processing unit; an image capturing unit that captures an image of a part of the original roll film or a part of the product film in accordance with the conveyance by the conveyance unit; and a determination unit that determines an abnormality indication of the original roll film or an abnormality of the product film on the basis of the captured image captured by the image capturing unit.

Description

Technical Field

[0001] The present invention relates to a management system for managing abnormalities or abnormality signs of films such as polymer films. Background Art

[0002] Conventionally, in a manufacturing line for films such as polyimide films, a resin solution is sprayed from a resin supply unit such as a T-die onto a casting belt in a belt drying chamber to form an original film roll, and the original film roll is sintered by passing through a high-temperature furnace (a so-called tentering furnace) while being supported by pins that pierce both end portions of the width of the original film (e.g., Patent Document 1).

[0003] Then, the original film is peeled off from the pins by the pin-off roller, the original film is conveyed to the downstream side by the slitting roller, and the two end portions of the original film with puncture holes are cut by the slitting knife to form a product film, and the product film is wound up by the winding roller.

[0004] Prior art literature

[0005] Patent Literature

[0006] Patent Document 1: Japanese Patent Application Publication No. 2014-148125 Summary of the invention

[0007] Problem that the invention aims to solve

[0008] In addition, in the process from when the original film is formed on the casting belt to when the original film is cut by the cutting unit to form the product film, the original film is transported to the cutting unit by a plurality of rollers and pins. During this period, if there is an abnormality in the conveying of the rollers, an abnormality in the piercing of the pins, or an abnormality in the cutting of the cutting unit, the original film may be broken, resulting in a decrease in the quality of the product film.

[0009] Therefore, conventionally, operators periodically visually check for abnormalities such as roller conveyance abnormalities, pin penetration abnormalities, and cutting abnormalities in the cutting section, and when abnormalities occur, they quickly stop the production line to eliminate the abnormalities.

[0010] As a result, the conventional abnormality removal operation becomes a large-scale operation performed by a plurality of operators, and during this period, the production cannot be carried out, which causes a problem of reduced workability and productivity.

[0011] Therefore, an object of the present invention is to provide a management system capable of coping with the occurrence of abnormality in the membrane.

[0012] Solutions for solving problems

[0013] One method of the present invention for solving the above-mentioned problem is a management system comprising: a processing section, which processes an original roll film into a product film; a conveying section, which conveys the original roll film in a manner that allows the original roll film to pass through the processing section; a photographing section, which photographs a portion of the original roll film or a portion of the product film as the film is conveyed by the conveying section; and a determination section, which determines a sign of abnormality in the original roll film or an abnormality in the product film based on the photographic image taken by the photographing section.

[0014] According to this aspect, since a sign of abnormality of the original film or an abnormality of the product film can be determined, it is possible to cope with the occurrence of abnormality of the film.

[0015] The inventors of the present invention studied the area of ​​the piercing hole formed by the pin in order to judge the above-mentioned abnormality of the piercing of the pin. Examples of abnormality caused by the pin include the pin piercing too deeply (so-called deep piercing state), the pin piercing too shallowly (so-called shallow piercing state), and the pin falling off and not piercing (so-called non-piercing state).

[0016] It is considered that the puncture area in these states is larger than that in the normal state in the case of the deep puncture state, and smaller than that in the normal state in the case of the shallow puncture state or the non-puncture state.

[0017] That is, the inventors believe that the puncture area in a normal state is within a certain range, and therefore believe that the abnormal sign can be accurately determined by defining the range of the puncture area in a normal state and determining whether the puncture area deviates from the defined range.

[0018] Therefore, a preferred method derived based on such considerations is a management system comprising: a processing section that cuts an original roll film to cut the original roll film into a product film and a residue; a conveying section that has a supporting area that pierces the original roll film with a plurality of protrusions and supports the original roll film, the conveying section conveying the original roll film through the processing section; a first photographing section that photographs the puncture holes formed by the protrusions at a position downstream of the supporting area and upstream of the processing section in the conveying direction of the conveying section; an image processing section that calculates the area of ​​the puncture holes based on the photographic image taken by the first photographing section; and a determination section that determines that the area of ​​the puncture holes is outside a first range as a sign of abnormality.

[0019] According to this embodiment, the determination unit monitors the area of ​​the puncture hole based on the photographic image of the first photographic unit, and determines that the area of ​​the puncture hole is outside the first range as an abnormality sign, so that the operator can quickly determine the abnormality caused by the convex part and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0020] Preferably, the conveying section includes a pulling section that pulls the original film roll out from the plurality of protrusions, and the first photographing section photographs the puncture holes at a position downstream of the pulling section and upstream of the processing section in the conveying direction.

[0021] According to this aspect, since the judgment can be made based on the photographic image at the upstream side of the processed portion, it is possible to more easily judge and deal with the abnormality caused by the convex portion. Therefore, the occurrence of subsequent abnormality can be suppressed.

[0022] Here, in the deep insertion state and the shallow insertion state, the position of the membrane changes only slightly compared to the normal state before a major abnormality occurs, and it is difficult for the operator to judge visually.

[0023] In addition, due to the development of machine learning in recent years, even minute differences that cannot be judged by the human eye can be judged through analysis in an increasing number of cases.

[0024] Therefore, it is considered possible to determine what pinning state the membrane is in by using a learning model obtained by machine learning using a data set of various photographic images of past normal states, past deep insertion states, and shallow insertion states, and their pinning states.

[0025] Furthermore, since the deep insertion state and the shallow insertion state tend to become abnormal when they continue to a certain extent, it is considered that the sign of abnormality can be determined by determining the puncture position.

[0026] A preferred method derived based on such considerations is a management system comprising: a conveying unit having a supporting area that pierces an original roll film with a plurality of protrusions and supports the original roll film, the conveying unit being used to pierce the original roll film and convey the original roll film; a second photographing unit that takes a photographic image of a portion of the original roll film located in the supporting area, including the protrusions, in a conveying direction of the conveying unit; a machine learning unit that performs machine learning using a data set of the photographic image and classification information obtained by classifying whether the protrusion is a normal piercing position as training data to generate a learning model; and a determination unit that uses the learning model to determine whether the protrusion is a normal piercing position based on the photographic image taken by the second photographing unit, and determines it as a sign of abnormality when it is determined that the protrusion is not a normal piercing position.

[0027] According to this aspect, the operator can quickly determine the sign of abnormality caused by the convex portion and take measures, thereby suppressing the occurrence of subsequent abnormality.

[0028] Preferably, the determination unit determines that it is a sign of abnormality when the number of times that the convex portion is determined to be not a normal puncture position within a predetermined time is equal to or greater than a first number threshold.

[0029] According to this aspect, since the abnormality sign is determined based on the number of times that the puncture position is determined to be abnormal within a predetermined time, it is possible to suppress erroneous determination.

[0030] In addition, the inventors have studied the periphery of the processing part in order to determine the cutting abnormality of the processing part. The product film is processed by cutting the two side portions of the original film with the insertion holes formed therein using the processing part composed of the slitting knife and the slitting roller. However, due to the position of the original film on the slitting roller, the slitting knife may not be used to cut the original film in a straight line, and the edge of the product film may be deformed. When such an abnormality occurs, the quality of the product film is reduced, and it may become a defective product depending on the situation.

[0031] Therefore, the present inventors paid attention to the shape of the product film immediately after being cut by the processing portion, and found that a photographic image of the product film in a normal state including its edges satisfied the following conditions (a) to (c).

[0032] (a) The number of edges detected on the image is one or more.

[0033] (b) The number of edges detected on the image is five or less.

[0034] (c) The angle of the approximate line of the actual edge with respect to the moving direction of the product film is equal to or smaller than the first threshold value.

[0035] In other words, the present inventors have discovered that an abnormality has occurred when any one of the conditions (a) to (c) is not satisfied.

[0036] A preferred method derived from the above findings is a management system comprising: a processing unit that cuts an original roll film and cuts the original roll film into a product film and a residue; a conveying unit that conveys the original roll film in a manner such that the original roll film passes through the processing unit; a third photographing unit that photographs the product film after being cut by the processing unit; an image processing unit that extracts a determination area from a photographic image photographed by the third photographing unit; and a determination unit that determines that an abnormality occurs when the following conditions (1) to (3) are not satisfied:

[0037] (1) In the determination area, the number of edges detected is one or more;

[0038] (2) the number of edges detected in the determination area is five or less; and

[0039] (3) In the determination area, an angle of an approximate line of an outermost edge relative to the moving direction of the product film is within an angle threshold range.

[0040] According to this aspect, an abnormality can be determined based on whether or not the above conditions (1) to (3) are satisfied in the determination area of ​​the image captured by the third imaging unit. Therefore, the operator can quickly respond to an abnormality caused by the processing unit.

[0041] Here, even if the product film satisfies the above conditions (1) to (3) in the current state, if the production is continued, an abnormality caused by the processed part may occur. When the recent shape of the product film that later caused the abnormality caused by the processed part was studied, it was found that the average brightness of the judgment area was large, burrs were generated at the edge, bulges were generated at the edge, or the edge became unstable.

[0042] Preferably, when there is instability at the edge of the determination area, the determination unit determines that it is a sign of abnormality.

[0043] According to this aspect, when there is instability in the edge, it is determined as a sign of abnormality, so that the occurrence of abnormality afterwards can be suppressed.

[0044] The inventors of the present invention have studied the vicinity of the pulling roller that pulls out the original film roll from the pins in order to determine the conveying abnormality of the pins and rollers, and found that there is a tendency that the tension of the film at the pulling roller on the downstream side changes depending on the pulling position of the pins (the so-called pin-off position). In other words, it has been found that when the pin-off position is on the upstream side (the side of the tenter furnace) in the conveying direction, the tension of the film is tight and there is a possibility of breaking, and when it is on the downstream side (the side opposite to the tenter furnace) in the conveying direction, the tension of the film is relaxed and cannot be conveyed normally.

[0045] One embodiment of the present invention derived based on the above-mentioned discovery is a management system comprising: a conveying section having a supporting area that pierces an original roll film with a plurality of protrusions and supports the original roll film, the conveying section being used to pierce the original roll film and convey the original roll film, and the conveying section having a pulling section that peels the original roll film off the plurality of protrusions; a fourth photographing section that photographs the original roll film in a manner that includes a pulling position of the original roll film pulled from the supporting area; a position determining section that determines the pulling position of the original roll film in the photographic image taken by the fourth photographing section; and a determination section that determines that the pulling position of the original roll film is a sign of abnormality when the pulling position of the original roll film is outside a second range.

[0046] According to this aspect, the abnormality sign can be determined by whether the pull-out position of the original film from the convex portion is within the second range, so the operator can quickly determine the abnormality sign caused by the tension of the original film and take measures. Therefore, the occurrence of subsequent abnormality can be suppressed.

[0047] When the inventors studied the edge of the original roll film passing between rollers in order to determine roller conveying abnormalities, they noticed that the edge position of the film tends to change significantly when abnormalities such as rolling up or damage of the original roll film occur. They believed that by monitoring the changes in the edge position, it is possible to detect signs of abnormalities.

[0048] One embodiment of the present invention derived based on the above-mentioned considerations is a management system comprising: a conveying section having a supporting area for piercing an original roll film with a plurality of protrusions and supporting the original roll film, the conveying section being used to pierce the original roll film and convey the original roll film; a fifth photographing section for photographing the original roll film in a manner including the edge at a position upstream of the supporting area in the conveying direction of the conveying section; a position determination section for determining the edge position of the original roll film at a reference position in the photographic image of the fifth photographing section; and a determination section for determining that the change in the edge position at the reference position exceeds a first threshold value as a sign of abnormality.

[0049] According to this method, the abnormality sign is determined by whether the absolute value of the change in the edge position at the reference position exceeds the first threshold value, so the operator can quickly determine the signs of abnormality at the edge such as the rolling up or defect of the original roll film and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0050] The inventors studied the piercing state of the pin in order to judge the piercing abnormality of the pin and found that when the original roll film is broken or folded on the pin, the edge of the film is not in a straight line and tends to be greatly missing from the reference line obtained by approximating the edge of the normal film. Therefore, the inventors believe that by monitoring the missing area relative to the reference line, it is possible to detect abnormal signs.

[0051] One embodiment of the present invention derived based on the above-mentioned considerations is a management system comprising: a conveying section having a supporting area for piercing an original roll film with a plurality of protrusions and supporting the original roll film, the conveying section being used to pierce the original roll film and convey the original roll film; a sixth photographing section for taking a photographic image including a portion of the original roll film located in the supporting area in a conveying direction of the conveying section; an edge determining section for determining an edge of the original roll film in the photographic image of the sixth photographing section; and a determination section for determining whether an area enclosed by a baseline extending along the conveying direction and the edge of the original roll film exceeds an area threshold, and determining that it is a sign of abnormality when the area threshold is exceeded.

[0052] According to this method, the abnormality sign is determined based on whether the area surrounded by the reference line and the edge of the original film exceeds the area threshold, so the operator can quickly determine the abnormality sign such as the breakage and folding on the convex part of the original film and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0053] In a preferred embodiment, the determination unit determines that there is a sign of abnormality when the number of times the area threshold is exceeded per predetermined time is equal to or greater than a second number threshold.

[0054] According to this aspect, since the abnormality sign is determined based on the number of times the area threshold value is exceeded per predetermined time, it is possible to suppress erroneous determination.

[0055] As long as the above-mentioned aspects are included in the technical scope of the present invention, the aspects may be mutually dependent, part of the structure may be referenced, or part of the structure may be replaced.

[0056] Effects of the Invention

[0057] According to the management system of the present invention, it is possible to cope with the occurrence of abnormality in the membrane. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 It is a side view schematically showing the management system according to the first embodiment of the present invention.

[0059] Figure 2 yes Figure 1 A three-dimensional view of the peeling portion and its surroundings.

[0060] Figure 3 yes Figure 1 A three-dimensional view of the vicinity of the winding section.

[0061] Figure 4 yes Figure 1 Block diagram of the monitoring unit.

[0062] Figure 5 yes Figure 2 A photographic image of a first edge photographic portion, Figure 5 (a) to (c) respectively represent the travel positions of the original film roll in travel.

[0063] Figure 6 yes Figure 1 Flowchart of edge position determination actions of a management system.

[0064] Figure 7 yes Figure 2 A photographic image of the photographic portion of the first puncture position.

[0065] Figure 8 yes Figure 1 Flowchart of the edge shape determination action of the management system.

[0066] Fig. 9 yes Figure 1 Flow chart of the puncture position determination action of the management system.

[0067] Fig.10 yes Figure 3 Photographic image of the out of stock position photographic portion.

[0068] Fig.11 yes Figure 1 Flowchart of the pulling position determination action of the management system.

[0069] Fig.12 yes Figure 3 Photographic image of the pierced hole photographic portion.

[0070] Fig.13 yes Figure 1 Flowchart of the puncture hole determination action of the management system.

[0071] Fig.14 yes Figure 3 A photographic image of the second edge photographic portion.

[0072] Fig.15 yes Figure 1 Flowchart of the slit determination action of the management system.

[0073] Fig.16 It is the successor Fig.15 Flowchart of the subsequent splitting judgment action of the management system.

[0074] Fig.17 is an explanatory diagram of a determination operation of a management system according to another embodiment of the present invention. Fig.17 (a) is a flow chart of the edge shape determination operation. Fig.17 (b) is a flow chart of the puncture position determination operation.

[0075] Fig.18 This is a flowchart of the splitting determination operation of the management system according to another embodiment of the present invention. DETAILED DESCRIPTION

[0076] Hereinafter, embodiments of the present invention will be described in detail.

[0077] A management system 1 according to a first embodiment of the present invention is a manufacturing system for manufacturing a polymer film such as a polyimide film as a product film 101 , and is used to manage abnormalities or signs of abnormalities in an original film 100 or a product film 101 .

[0078] like Figure 1 , Figure 4Thus, the management system 1 includes the original film forming section 2 , the peeling section 3 , the pin conveying section 5 , the tenter section 6 , the winding section 7 , the monitoring section 8 , and the photographing sections 60 to 65 .

[0079] (Original film production department 2)

[0080] like Figure 1 Thus, the stock film forming section 2 is a part that forms the stock film 100 from a film raw material, and mainly includes a resin raw material supply section 10 and a casting belt section 11 .

[0081] The resin raw material supply unit 10 is a portion that applies the film raw material of the original film 100 onto the casting belt unit 11 .

[0082] The casting belt section 11 is composed of at least a pair of rollers 12a and 12b and an endless belt 13 suspended from the pair of rollers 12a and 12b.

[0083] (Peeling section 3)

[0084] like Figure 1 Thus, the peeling section 3 includes a plurality of conveying rollers 15 a to 15 d , and the original film 100 can be peeled off from the casting belt section 11 by the conveying roller 15 a , and conveyed from the casting belt section 11 to the tenter section 6 by the conveying rollers 15 a to 15 d .

[0085] (Pin conveying unit 5)

[0086] like Figure 1 , Figure 2 The pin transport unit 5 has a pair of pin seats 20a and 20b, and the pin transport unit 5 supports the parts near both ends of the original roll film 100 in the width direction (direction perpendicular to the transport direction of the original roll film 100) by using the pins 22 and 22 of the pair of pin seats 20a and 20b.

[0087] like Figure 1 In this way, the pin conveying section 5 can be conveyed from the peeling section 3 to the winding section 7 via the tentering section 6 at a predetermined speed.

[0088] like Figure 2 , Figure 3 Thus, the pin holders 20 a and 20 b are composed of the base material 21 and the plurality of pins 22 (convex portions) erected from the base material 21 and arranged in a row, and can support the original film 100 by piercing the original film 100 with the pins 22 .

[0089] That is, Figure 1 In this way, the pin seats 20 a and 20 b constitute a support area 23 for supporting the original film 100 by piercing the original film 100 with the pins 22 .

[0090] The pin 22 is a convex portion that stands upright from one main surface of the base material 21 and protrudes relative to the base material 21 , and the tip end portion of the pin 22 is sharp.

[0091] (Tentering section 6)

[0092] like Figure 1 Thus, tenter section 6 includes hot air drying furnace 30 and sintering furnace 31 .

[0093] The hot air drying furnace 30 is a part that blows hot air to the original roll film 100 supported by the pins 22 of the pin conveying unit 5 to dry it.

[0094] The sintering furnace 31 is a part that heats and sintered the original film 100 supported by the pins 22 of the pin transport unit 5 .

[0095] (Reeling section 7)

[0096] like Figure 1 , Figure 3 Thus, the winding section 7 includes the plurality of conveying rollers 50 a to 50 d , the slitting blade sections 51 a and 51 b (processing section, cutting section), and the winding roller 53 .

[0097] The conveying rollers 50a to 50d are used to convey the original roll film 100 or the product film 101 toward the winding roller 53. Figure 3 Thus, the conveying rollers 50a to 50d include the pressing roller 50a, the pin-removing roller 50b (pulling portion), and the slitting roller 50c (processing portion, cutting portion).

[0098] The pressing roller 50 a is a roller for pressing the original film 100 from the upper side.

[0099] The pin-pulling roller 50 b is a roller for pulling the original film 100 out from the pins 22 of the pin conveying unit 5 .

[0100] like Figure 3 As described above, the slitting roller 50c is a roller having slits near both end portions.

[0101] The slit is a recessed portion having a depth in the radial direction of the slitting roller 50c and extending in the circumferential direction, and is a knife receiving portion for receiving the slitting knife portions 51a and 51b.

[0102] The slitting blades 51 a and 51 b are portions that form a pair with the slit of the slitting roller 50 c to separate the product film 101 from the original film 100 .

[0103] The winding roller 53 is a roller for winding up the product film 101 cut by the slitting blades 51 a and 51 b .

[0104] (Monitoring Unit 8)

[0105] The monitoring unit 8 is a computer having a central processing unit, a storage device for storing data, an input device for inputting data from the outside, and an output device for outputting data to the outside as a hardware structure. The central processing unit is composed of a control device for controlling each device and a computing device for performing operations on data.

[0106] like Figure 4 Thus, the monitoring unit 8 includes an image processing unit 81 , a machine learning unit 82 , a position identification unit 83 , an edge identification unit 84 , a determination unit 85 , a notification unit 86 , and an image acquisition unit 87 .

[0107] The image processing unit 81 is a part that performs image processing on the images captured by the imaging units 60 to 65 .

[0108] like Figure 7 In this way, the image processing unit 81 can draw the reference line L1 on the image captured by the first piercing position imaging units 61a and 61b, and calculate the surrounding area T1 surrounded by the edge of the original film roll 100 and the reference line L1.

[0109] like Fig.12 In this way, the image processing unit 81 can calculate the areas of the puncture holes 103a and 103b based on the images captured by the puncture hole imaging units 64a and 64b.

[0110] like Fig.14 In this way, the image processing unit 81 can extract the determination area G including the edge of the product film 101 from the photographic images photographed by the second edge photographing units 65 a and 65 b .

[0111] The machine learning unit 82 has a function of performing learning through so-called supervised learning, and can perform supervised learning according to a machine learning algorithm such as a convolutional neural network.

[0112] Here, "supervised learning" means that by providing a large amount of training data, i.e., a group of data on a certain input (explanatory variable) and result (target variable), to the machine learning unit 82, the features in these data sets are learned, and a model (error model) for estimating the result based on the input, i.e., the correlation between the input and the result, is inductively obtained.

[0113] That is, the machine learning unit 82 has an input unit and an output unit, and can construct a learning model that calculates a target variable output from the output unit based on the explanatory variables input to the input unit by performing machine learning based on training data.

[0114] The position specifying unit 83 specifies the coordinate position based on the image captured by each of the imaging units 60 to 65 .

[0115] like Figure 5In this way, the position identifying unit 83 can identify the edge position P1 of the original roll film 100 at the reference position of the image captured by the first edge imaging units 60a and 60b.

[0116] like Fig.10 In this way, the position identification unit 83 can identify the withdrawal position P2 of the original film 100 in the photographic images captured by the missing position imaging units 63 a and 63 b.

[0117] The edge identifying unit 84 identifies the edge of the original film 100 or the product film 101 based on the image captured by each of the imaging units 60 to 65 .

[0118] like Figure 7 In this way, the edge identifying unit 84 can identify the edge of the original roll film 100 in the image captured by the first piercing position imaging units 61a and 61b.

[0119] The determination unit 85 determines an abnormal part or a sign of abnormality based on the analysis result of each captured image.

[0120] When the determination unit 85 determines that there is an abnormality or a sign of an abnormality, the notification unit 86 notifies the operator of the abnormality or the sign of an abnormality through, for example, sound, color, image, language, or the like.

[0121] The image acquisition unit 87 is connected to the imaging units 60 to 65 to acquire images captured by the imaging units 60 to 65 .

[0122] The imaging units 60 to 65 are units for imaging predetermined areas of the film.

[0123] like Figure 1 , Figure 2 Thus, the first edge photographing sections 60a and 60b (fifth photographing section) are portions that photograph in a manner including the edge of the original roll film 100 at a position downstream of the casting belt section 11 and upstream of the support area 23. Specifically, the first edge photographing sections 60a and 60b are portions that photograph from an oblique upper side in a manner including the edge of the original roll film 100 running between the conveying rollers 15a and 15b.

[0124] like Figure 1 , Figure 2 In this way, the first piercing position photographing parts 61a, 61b (sixth photographing parts) are located downstream of the conveying roller 15d and upstream of the tentering part 6, and are provided near the piercing start position of the pin 22 of the pin holder 20, and photograph the piercing start position of the pin 22. That is, the first piercing position photographing parts 61a, 61b can photograph from the outside of the pin 22, that is, the side side, in a manner including a part of the pin 22 located in the support area 23 of the pin holder 20.

[0125] like Figure 1 , Figure 3 Thus, second piercing position photographing units 62a and 62b photograph the portion of original film 100 pierced by pins 22 of pin holder 20 at a position downstream of tenter section 6 and upstream of pressing roller 50a.

[0126] The second puncture position imaging units 62 a and 62 b can capture images from the outside of the pin 22 , that is, from the side, so as to include a portion of the pin 22 located in the support region 23 of the pin holder 20 .

[0127] like Figure 1 , Figure 3 Thus, the missing position imaging units 63 a and 63 b (fourth imaging units) are provided near the standing position of the original film 100 from the pin 22 and are configured to capture the missing position of the original film 100 .

[0128] like Fig.10 In this way, the pin-out position imaging units 63 a and 63 b can capture images from the outside of the pin 22 , that is, from the side, so as to include the pulled-out position P2 pulled out from the support region 23 .

[0129] like Figure 3 Thus, the puncture hole photographing sections 64a and 64b (first photographing sections) are sections that photograph the puncture holes 103a and 103b of the original film 100 running between the conveying rollers 50b and 50c.

[0130] The puncture hole photographing units 64a and 64b can photograph from above so as to include the puncture holes 103a and 103b of the original film 100 located downstream of the support region 23 and upstream of the slitting knife units 51a and 51b.

[0131] like Figure 3 Thus, the second edge photographing sections 65 a and 65 b (third photographing sections) are located on the downstream side of the slitting knife sections 51 a and 51 b and photograph the edge of the product film 101 .

[0132] The second edge imaging units 65 a and 65 b can capture images from above so as to include the edges of the product film 101 .

[0133] The original film 100 is a film before being processed into the product film 101, specifically, a portion on the upstream side of the cutting portion by the slitting blades 51a and 51b.

[0134] The original film roll 100 has piercing holes 103 a and 103 b pierced by the pins 22 formed in the portion passing through the pin holder 20 .

[0135] The product film 101 is located downstream of the cutting position of the slitting blades 51 a and 51 b , and the cutting marks of the slitting blades 51 a and 51 b are formed on the end surface of the product film 101 in the width direction.

[0136] Next, the flow of manufacturing the product film 101 in the management system 1 will be described.

[0137] First, in the original film forming section 2, as shown in FIG. Figure 1 In this way, a film raw material in a liquid or gel state is ejected from the resin raw material supply unit 10 onto the casting belt unit 11 , and a thin film-shaped original roll film 100 is formed on the casting belt unit 11 .

[0138] Next, the original film 100 produced by the original film forming section 2 is peeled off from the casting belt section 11 by the conveying rollers 15 a to 15 d of the peeling section 3 , conveyed toward the tenter section 6 , and supported by the pins 22 of the pin holders 20 of the pin conveying section 5 .

[0139] Then, if Figure 1 to Figure 3 In this way, the original film roll 100 is conveyed by the pin conveying section 5 toward the winding section 7 through the tentering section 6 while being pierced by the pins 22 .

[0140] like Figure 3 In this way, the original film 100 that has reached the winding unit 7 is pressed by the pressing roller 50a and simultaneously pulled out from the pins 22 of the pin conveying unit 5 by the pin removing roller 50b, thereby forming the piercing holes 103a and 103b.

[0141] Then, the slitting blades 51a and 51b on the slitting roller 50c cut portions near both ends in the width direction and inside the piercing holes 103a and 103b formed by the pins 22, thereby separating the film into the product film 101 and the residue 102 having the piercing holes 103a and 103b.

[0142] The product film 101 is conveyed to the winding roller 53 by the conveying roller 50 d and is wound up by the winding roller 53 .

[0143] Next, an abnormality determination operation for determining an abnormality or a sign of abnormality in the management system 1 of the present embodiment will be described.

[0144] The management system 1 of this embodiment can perform six judgment actions, namely edge position judgment action, piercing position judgment action, edge shape judgment action, pulling position judgment action, piercing hole judgment action, and slitting judgment action, in parallel with the manufacturing action of the product film 101 to judge various abnormalities or abnormal signs.

[0145] (Edge position determination action)

[0146] like Figure 5 (a)~ Figure 5As in (c), the edge position determination action is as follows: the photographic images of the first edge photographing units 60a, 60b (fifth photographing unit) are applied to the XY plane, and the X-coordinate position of the travel position P1 of the edge at the reference coordinate Y1 (reference position) of the original roll film 100 is monitored, and an abnormal sign is determined based on whether the X-coordinate position (coordinate X2) of the travel position P1 of the edge relative to the reference position X1 converges within a specified range.

[0147] That is, in the edge position determination operation, the Y coordinate is fixed to Y1, and the abnormality sign is determined based on whether the change d of the position coordinate X2 of the edge position P1 of the original film 100 at Y=Y1 relative to the reference position X1 is within a predetermined range.

[0148] Specifically, first, Figure 6 As shown, the photographic image captured by the first edge photographing unit 60a, 60b is acquired (step S1-1), and the edge position P1 in the photographic image is determined (step S1-2). Then, it is determined whether the absolute value of the change amount d of the edge position P1 within each predetermined time is less than or equal to the threshold value D1 (first threshold value) (step S1-3).

[0149] At this time, the threshold value D1 is appropriately set according to the conveying speed of the conveying rollers 15a to 15d, and is preferably 20 mm or more, more preferably 40 mm or more, and preferably 100 mm or less, more preferably 80 mm or less.

[0150] The predetermined time is preferably not less than 1 second and not more than 1 minute.

[0151] When the absolute value of the change amount d of the edge position P1 is not less than the threshold value D1, that is, when it exceeds the threshold value D1 ("No" in step S1-3), the determination unit 85 determines that it is abnormal and the notification unit 86 notifies it (step S1-4), and the edge position determination operation ends.

[0152] On the other hand, in step S1-3, when the absolute value of the change d of the edge position P1 is below the threshold value D1 ("Yes" in step S1-3), transfer to step S1-5 to confirm whether there is a manufacturing end request. When there is a manufacturing end request ("Yes" in step S1-5), the edge position determination action is terminated.

[0153] In step S1-5, when there is no manufacturing end request ("No" in step S1-5), the process proceeds to step S1-1.

[0154] (Edge shape determination action)

[0155] like Figure 7In that way, the edge shape judgment action is as follows: based on the photographic images of the first puncture position photographing parts 61a, 61b (sixth photographing part), the surrounding area T1 surrounded by the edge of the original roll film 100 and the baseline L1 is monitored, and the abnormal sign is judged based on whether the surrounding area T1 exceeds the specified threshold.

[0156] Specifically, first, Figure 8 In this way, the counter i is reset (step S2-1), and the first puncture position imaging units 61a and 61b perform imaging to acquire an image (step S2-2).

[0157] According to Figure 7 The reference line L1 is set in the photographic image thus captured (step S2-3), and the edge of the film is determined (step S2-4).

[0158] The surrounding area T1 surrounded by the reference line L1 and the edge of the original film roll 100 is calculated, and it is determined whether the surrounding area T1 exceeds the area threshold value S1 (step S2 - 5 ).

[0159] At this time, the area threshold S1 is appropriately set according to the size of the photographic image, etc. For example, when the resolution of the photographic image is 250 dpi, the area threshold S1 is preferably greater than or equal to 1000 pixels and less than or equal to 10000 pixels.

[0160] When the surrounding area T1 exceeds the area threshold S1 ("Yes" in step S2-5), the counter i is set to i+1 (step S2-6), and it is determined whether the counter i is greater than the number threshold Q1 (second number threshold) (step S2-7).

[0161] In this case, the number threshold value Q1 is preferably 1 or more, and more preferably 2 or more. The number threshold value Q1 is preferably 50 or less, more preferably 20 or less, and particularly preferably 10 or less.

[0162] When the counter i is equal to or greater than the number threshold value Q1 (YES in step S2-7), the determination unit 85 determines that it is a sign of abnormality and the notification unit 86 notifies it (step S2-8), and the edge shape determination operation ends.

[0163] On the other hand, in step S2-5, when the surrounding area T1 does not exceed the threshold S1, that is, when it is below the threshold S1 ("No" in step S2-5), transfer to step S2-9 to confirm whether there is a manufacturing end request. When there is a manufacturing end request ("Yes" in step S2-9), the edge shape judgment action is terminated.

[0164] In step S2-7, when the counter i is smaller than the number threshold value Q1 ("No" in step S2-7), the process proceeds to step S2-2.

[0165] In step S2-9, when there is no manufacturing end request ("No" in step S2-9), the process proceeds to step S2-2.

[0166] (Piercing position determination action)

[0167] The puncture position determination action is as follows: the photographic images of the second puncture position photographic parts 62a, 62b (second photographic parts) in the past and the data set of classification information obtained by classifying whether the pin 22 is a normal puncture position are used as training data for machine learning in advance by the machine learning unit 82, and the generated learning model is used to determine the abnormal sign based on the current photographic images of the second puncture position photographic parts 62a, 62b and whether the puncture position of the original roll film 100 is a normal puncture position.

[0168] Specifically, first, Fig. 9 In this way, the counter j is reset (step S3-1), and the second puncture position imaging units 62a and 62b perform imaging to acquire an image (step S3-2).

[0169] Based on the result of inputting the captured image to the input unit and outputting it from the output unit using the pre-generated learning model, it is determined whether the puncture position is normal (step S3-3).

[0170] The learning model used at this time is a learning model that has performed supervised learning, and is a learning model related to binary classification of whether the puncture position is normal or not.

[0171] As described above, the learning model used at this time is obtained by pre-machine learning using a data set of past photographic images of the second puncture position photographing parts 62a, 62b and classification information obtained by classifying whether the pin 22 is in a normal puncture position in the photographic images.

[0172] When it is determined that the result output from the output unit of the learning model is not a normal puncture position ("No" in step S3-3), the counter j is set to j+1 (step S3-4), and it is determined whether the counter j is above the number threshold Q2 (the first number threshold) (step S3-5).

[0173] When counter j is equal to or greater than number threshold value Q2 (YES in step S3-5), determination unit 85 determines that it is a sign of abnormality and notification unit 86 notifies it (step S3-6), and the puncture position determination operation ends.

[0174] At this time, the number threshold Q2 is appropriately set according to the number and state of the pins 22 and is preferably 1 or more, more preferably 2 or more. The number threshold Q2 is preferably 50 or less, more preferably 20 or less, and particularly preferably 10 or less.

[0175] On the other hand, in step S3-3, when it is determined that the result output from the output layer of the learning model is a normal puncture position ("Yes" in step S3-3), transfer to step S3-7 to confirm whether there is a manufacturing end request. When there is a manufacturing end request ("Yes" in step S3-7), the puncture position determination action is terminated.

[0176] In step S3-5, when the counter j is smaller than the number threshold value Q2 ("No" in step S3-5), the process proceeds to step S3-2.

[0177] In step S3-7, when there is no manufacturing end request ("No" in step S3-7), the process proceeds to step S3-2.

[0178] (Pull-out position determination action)

[0179] The pull-out position determination operation is an operation of monitoring the pin-out position based on the images captured by the pin-out position imaging units 63a and 63b (fourth imaging unit). Fig.10 The pull-out position P2 (the standing start position of the original film roll 100 ) pulled out from the pin 22 shown is determined based on whether the pull-out position P2 is within a predetermined range in the conveying direction of the pin 22 .

[0180] Specifically, first, Fig.11 In this way, the out-of-stock position imaging units 63a and 63b perform imaging to acquire an image (step S4-1).

[0181] like Fig.10 In this way, the withdrawal position P2 is determined based on the photographed image (step S4-2), and it is determined whether the withdrawal position P2 is within the range R1 (second range) in the conveyance direction of the pin 22 (step S4-3).

[0182] At this time, the range R1 is appropriately set according to the diameter and interval of the pins 22. For example, the range R1 is a range from 100 mm to 1000 mm from the downstream side to the upstream side in the conveying direction based on the pressing roller 50a. In addition, for example, it can also be set to a range from 200 mm to 1200 mm from the downstream side to the upstream side in the conveying direction based on the pin-dropping roller 50b.

[0183] When the withdrawal position P2 is not within the range R1 (No in step S4-3), the determination unit 85 determines that it is an abnormality sign and the notification unit 86 notifies it (step S4-4), and the withdrawal position determination operation ends.

[0184] On the other hand, in step S4-3, when the pulling position P2 is within the range R1 ("Yes" in step S4-3), the process moves to step S4-5 to confirm whether there is a request to end manufacturing. If there is a request to end manufacturing ("Yes" in step S4-5), the pulling position determination action is terminated.

[0185] In step S4-5, when there is no manufacturing end request ("No" in step S4-5), the process proceeds to step S4-1.

[0186] (Piercing hole determination action)

[0187] like Fig.12 Thus, the puncture hole determination operation is an operation of mapping the edges of puncture holes 103a and 103b in the images captured by puncture hole imaging units 64a and 64b to calculate the areas of puncture holes 103a and 103b, and determining an abnormality sign based on whether the areas of puncture holes 103a and 103b fall within a predetermined range.

[0188] Specifically, first, Fig.13 In this way, the puncture hole photographing units 64a and 64b (first photographing units) photograph the periphery of the puncture holes 103a and 103b to obtain photographic images (step S5-1), and the puncture holes 103a and 103b are identified in the photographic images (step S5-2).

[0189] Next, it is determined whether the areas of the puncture holes 103a and 103b are within the range R2 (first range) (step S5-3).

[0190] At this time, the range R2 is appropriately designed according to the diameter of the pin 22 and the like. For example, when the resolution of the photographed image is 350 dpi, the range R2 is preferably 500 pixels or more and 1400 pixels or less.

[0191] When the areas of puncture holes 103a and 103b are not within range R2 (No in step S5-3), determination unit 85 determines it as an abnormality sign and notification unit 86 notifies it (step S5-4), and the puncture hole determination operation ends.

[0192] In step S5-3, when the area of ​​puncture holes 103a and 103b is within range R2 ("Yes" in step S5-3), transfer to step S5-5 to confirm whether there is a manufacturing end request. When there is a manufacturing end request ("Yes" in step S5-5), the puncture hole determination action is terminated.

[0193] In step S5-5, when there is no manufacturing end request ("No" in step S5-5), the process proceeds to step S5-1.

[0194] (Slitting judgment action)

[0195] The slitting determination operation is an operation of monitoring the shape and brightness of the edge of the product film 101 based on the photographic images of the second edge photographing units 65a and 65b (third photographing unit), and determining abnormalities and abnormal signs based on whether the shape and brightness of the edge are within a specified range.

[0196] Specifically, first, Fig.15 In this way, the counters m, n, p, and s are reset respectively (step S6-1), and the second edge imaging units 65a and 65b perform imaging to acquire an image (step S6-2).

[0197] like Fig.14 Thus, the position coordinates are determined based on the photographic image with reference to the marking portion 110 near the product film 101 (step S6-3), the determination area G is extracted (step S6-4), and whether the detected edge exists in the determination area G is determined by image analysis (step S6-5).

[0198] The marking part 110 used at this time is not particularly limited as long as its position does not change due to the manufacturing operation and can determine the position coordinates of the product film 101. The marking part 110 is, for example, a component constituting the management system 1, and a part or all of the components located near the slitting blades 51a and 51b can be used, specifically, the head of a fastening element such as a bolt can be used.

[0199] exist Fig.14 When there is no detected edge in the judgment area G shown, that is, when the number of edges is 0 ("Yes" in step S6-5), the counter m is set to m+1 (step S6-6), and it is determined whether the counter m is greater than the number threshold a1 (step S6-7).

[0200] In this case, the number threshold a1 is preferably equal to or greater than 1, and more preferably equal to or greater than 2. The number threshold a1 is preferably equal to or less than 50, more preferably equal to or less than 20, and particularly preferably equal to or less than 10.

[0201] When the counter m is equal to or greater than the number threshold a1 (YES in step S6 - 7 ), the determination unit 85 determines that there is an abnormality and the notification unit 86 notifies of this fact (step S6 - 8 ), and the cutting determination operation ends.

[0202] In step S6-5, Fig.14 When there is a detected edge in the judgment area G shown, that is, when the number of edges is more than one ("No" in step S6-5), transfer to step S6-9 to determine whether the number of edges detected in the judgment area G exceeds five (step S6-9).

[0203] In step S6-9, when the number of edges detected in the determination area G exceeds five ("Yes" in step S6-9), the counter n is set to n+1 (step S6-10), and it is determined whether the counter n is greater than the number threshold a2 (step S6-11).

[0204] In this case, the number threshold value a2 is preferably 1 or more, and more preferably 2 or more. The number threshold value a2 is preferably 50 or less, more preferably 20 or less, and particularly preferably 10 or less.

[0205] When the counter n is equal to or greater than the number threshold value a2 (YES in step S6-11), the process moves to step S6-8, where the determination unit 85 determines that there is an abnormality and the notification unit 86 notifies of this fact, and the cutting determination operation ends.

[0206] In step S6-9, Fig.14 If the number of edges detected in the determination area G shown is five or less (No in step S6-9), the process proceeds to step S6-12 to determine whether Fig.14 Is the angle θ of the outermost edge approximation line L4 with respect to the reference line L3 extending perpendicularly to the moving direction (conveying direction) of the product film 101 within the angle threshold range (step S6 - 12 ).

[0207] The angle threshold range at this time is preferably in the range of 75 degrees or more and 105 degrees or less.

[0208] In step S6-12, when the angle θ of the approximate line L4 located at the outermost edge relative to the baseline L3 is outside the angle threshold range ("Yes" in step S6-12), the counter p is set to p+1 (step S6-13), and it is determined whether the counter p is above the number threshold a3 (step S6-11).

[0209] In this case, the number threshold a3 is preferably 1 or more, and more preferably 2 or more. The number threshold a3 is preferably 50 or less, more preferably 20 or less, and particularly preferably 10 or less.

[0210] When the counter p is equal to or greater than the number threshold a3 (YES in step S6-14), the process moves to step S6-8, where the determination unit 85 determines that there is an abnormality and the notification unit 86 notifies of this fact, and the cutting determination operation ends.

[0211] In step S6-12, when the angle θ of the approximate line L4 located at the outermost edge relative to the reference line L3 is within the angle threshold range ("No" in step S6-12), the process proceeds to step S6-13. Fig.16 In step S6-15, it is determined whether there is edge instability in the determination area G (step S6-15).

[0212] The “edge instability” mentioned here means, for example, that the average brightness of the determination area G exceeds the brightness threshold, burrs are generated at the edge, or bulges are generated at the edge.

[0213] In step S6-15, when it is determined that there is edge instability in region G ("Yes" in step S6-15), counter s is set to s+1 (step S6-16), and it is determined whether counter s is greater than number threshold a4 (step S6-17).

[0214] In this case, the number threshold a4 is preferably 1 or more, and more preferably 2 or more. The number threshold a4 is preferably 50 or less, more preferably 20 or less, and particularly preferably 10 or less.

[0215] When the counter s is equal to or greater than the number threshold a4 (YES in step S6-17), the determination unit 85 determines that it is a sign of abnormality and the notification unit 86 notifies it (step S6-18), and the cutting determination operation ends.

[0216] In step S6-15, when there is no edge instability in the judgment area G ("No" in step S6-15), transfer to step S6-19 to confirm whether there is a manufacturing end request. When there is a manufacturing end request ("Yes" in step S6-19), the cutting judgment action is terminated.

[0217] exist Fig.15 In step S6-7, when the counter m is smaller than the number threshold a1 ("No" in step S6-7), the process proceeds to step S6-2.

[0218] In step S6-11, when the counter n is smaller than the number threshold value a2 ("No" in step S6-11), the process proceeds to step S6-2.

[0219] In step S6-14, when the counter p is smaller than the number threshold value a3 ("No" in step S6-14), the process proceeds to step S6-2.

[0220] exist Fig.16 In step S6-17, if the counter s is less than the number threshold a4 ("No" in step S6-17), transfer to Fig.15 Step S6-2.

[0221] exist Fig.16 In step S6-19, if there is no manufacturing end request ("No" in step S6-19), transfer to Fig.15 Step S6-2.

[0222] According to the management system 1 of this embodiment, through the puncture hole judgment action, the judgment unit 85 monitors the area of ​​the puncture holes 103a, 103b of the original roll film 100 based on the photographic images of the puncture hole photography units 64a, 64b, and judges it as an abnormal sign when the area of ​​the puncture holes 103a, 103b is outside the range R2, so that the operator can quickly judge the sign of abnormal puncture of the pin 22.

[0223] According to the management system 1 of this embodiment, the puncture determination operation can be determined based on the photographic image at the upstream side of the cutter parts 51a and 51b, so it is easier to determine and deal with the puncture abnormality of the pin 22. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0224] According to the management system 1 of this embodiment, through the puncture position determination action, the determination unit 85 uses a learning model to determine an abnormal sign based on the number of puncture positions determined to be abnormal within a specified time, so that the operator can quickly determine that the puncture of the pin 22 is abnormal and can suppress erroneous determination.

[0225] According to the management system 1 of this embodiment, in the cutting judgment action, the abnormality is judged based on the number of edges detected in the judgment area G of the photographic image of the second edge photographing part 65a, 65b and the angle θ of the approximate line L4 of the edge, so the operator can quickly judge the cutting abnormality of the cutting knife parts 51a, 51b.

[0226] According to the management system 1 of this embodiment, the instability of the edge of the product film 101 in the determination area G is determined as an abnormality sign, so the operator can quickly determine the cutting abnormality of the slitting blades 51a and 51b and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0227] According to the management system 1 of this embodiment, in the pulling position determination operation, it is possible to determine the sign of abnormality according to whether the pulling position P2 of the original roll film 100 pulled from the pin 22 is within the range R1, so the operator can quickly determine the sign of conveying abnormality caused by the tension of the original roll film 100 and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0228] According to the management system 1 of this embodiment, in the edge position determination operation, the abnormality sign is determined based on whether the absolute value of the change amount of the edge position P1 at the reference position X1 exceeds the threshold value D1, so the operator can quickly determine the signs of conveyance abnormality at the edge such as the rolling up or defect of the original roll film 100 and take measures. Therefore, the occurrence of subsequent abnormalities can be suppressed.

[0229] According to the management system 1 of this embodiment, in the edge shape judgment action, the abnormality sign is judged based on whether the number of times the surrounding area T1 surrounded by the baseline L1 and the edge of the original roll film 100 exceeds the area threshold S1 exceeds the number threshold Q1. Therefore, the operator can quickly judge the signs of conveying abnormalities such as breakage and folding of the original roll film 100 on the pin 22, and can also suppress erroneous detection.

[0230] In the above-mentioned embodiment, the absolute value of the change amount d of the edge position P1 is set as the change amount per unit time in the edge position determination operation, but the present invention is not limited to this. A reference position may be determined in advance based on the average position of past edges, etc., and the absolute value of the change amount d of the edge position P1 relative to the reference position may be calculated.

[0231] In the above-mentioned embodiment, the frequency is calculated by counters i, j, m, n, p, s in each of the edge shape determination action, the piercing position determination action, and the slitting determination action, and is compared with the number thresholds a1 to a4, Q1, Q2, but the present invention is not limited thereto. When the number thresholds a1 to a4, Q1, Q2 are 1, the comparison with the number thresholds a1 to a4, Q1, Q2 may not be performed in each of the edge shape determination action, the piercing position determination action, and the slitting determination action.

[0232] In this case, in the edge shape determination operation, if Fig.17 As in (a), omit Figure 8 In the step S2-1, step S2-6 and step S2-7, in the piercing position determination operation, as Fig.17 As in (b), omit Fig. 9 In addition, in the cutting determination operation, if Fig.18 That way, omit Fig.15Step S6-1, step S6-6, step S6-7, step S6-10, step S6-11, step S6-13, step S6-14, step S6-16 and step S6-17.

[0233] In the above embodiment, the edge shape determination operation is performed using the images captured by the first puncture position imaging units 61a and 61b, but the present invention is not limited thereto. The edge shape determination operation may also be performed using the images captured by the second puncture position imaging units 62a and 62b.

[0234] In the above embodiment, the puncture position determination operation is performed using the images captured by the second puncture position imaging units 62a and 62b, but the present invention is not limited thereto. The puncture position determination operation may also be performed using the images captured by the first puncture position imaging units 61a and 61b.

[0235] The above-described embodiments may be freely replaced or each component may be added between the embodiments as long as it is included in the technical scope of the present invention.

[0236] Description of Reference Numerals

[0237] 1: management system; 5: pin conveying section (conveying section); 22: pin (convex part); 23: support area; 50a: pressing roller (conveying section); 50b: pin-releasing roller (pulling section, conveying section); 50c: slitting roller (processing section, cutting section, conveying section); 50d: conveying roller (conveying section); 51a, 51b: slitting knife section (processing section, cutting section); 60a, 60b: first edge photographing section (fifth photographing section); 61a, 61b: first piercing position photographing section (sixth photographing section); 62 a, 62b: second puncture position photographing section (second photographing section); 63a, 63b: out-of-stock position photographing section (fourth photographing section); 64a, 64b: puncture hole photographing section (first photographing section); 65a, 65b: second edge photographing section (third photographing section); 81: image processing section; 82: machine learning section; 83: position determination section; 84: edge determination section; 85: judgment section; 100: original roll film; 101: product film; 102: residue; 103a, 103b: puncture holes.

Claims

1. A management system comprising: The processing department processes the original roll film into product film; A conveying section that conveys the original film roll in such a manner that the original film roll passes through the processing section; a photographing unit that photographs a portion of the original film roll or a portion of the product film as the film is conveyed by the conveying unit; and A determination unit determines a sign of abnormality of the original film or abnormality of the product film based on the photographic image captured by the photographing unit.

2. The management system according to claim 1, wherein: have: A processing section that cuts the original film roll to cut the original film roll into a product film and a residue; a conveying section having a supporting area that pierces the original film with a plurality of protrusions and supports the original film, the conveying section conveying the original film through the processing section; a first photographing unit that photographs the puncture hole formed by the convex portion at a position downstream of the support region and upstream of the processing portion in the conveying direction of the conveying unit; an image processing unit for calculating the area of ​​the puncture hole based on the photographic image captured by the first photographing unit; as well as The determination unit determines that the area of ​​the puncture hole is a sign of abnormality when the area of ​​the puncture hole is outside a first range.

3. The management system according to claim 2, wherein: The conveying section includes a pulling section, and the pulling section pulls the original film roll out from the plurality of protrusions. The first imaging unit images the puncture hole at a position downstream of the drawing unit and upstream of the processing unit in the conveying direction.

4. The management system according to claim 1, wherein: have: A conveying section having a supporting area that pierces an original roll film with a plurality of convex portions and supports the original roll film, the conveying section being used to pierce the original roll film and convey the original roll film; a second photographing unit that takes a photographic image of a portion of the original film roll located in the support region, including the convex portion, in a conveying direction of the conveying unit; a machine learning unit that performs machine learning using the photographic image and a data set of classification information obtained by classifying whether the convex portion is a normal puncture position as training data to generate a learning model; as well as A determination unit determines whether the convex portion is a normal puncture position based on the photographic image photographed by the second photographing unit using the learning model, and determines that it is a sign of abnormality when it is determined that the convex portion is not a normal puncture position.

5. The management system according to claim 4, wherein: The determination unit determines that there is an abnormality sign when the number of times that the convex portion is determined to be not a normal puncture position within a predetermined time is equal to or greater than a first number threshold.

6. The management system according to claim 1, wherein: have: A processing section that cuts the original film roll and cuts the original film roll into a product film and a residue; A conveying section that conveys the original film roll through the processing section; a third photographing unit for photographing the product film after being cut by the processing unit; an image processing unit that extracts a determination area from the photographic image photographed by the third photographing unit; as well as The determination unit determines that the condition is abnormal when the following conditions (1) to (3) are not satisfied: (1) In the determination area, the number of edges detected is one or more; (2) The number of edges detected in the determination area is five or less; as well as (3) In the determination area, an angle of an approximate line of an outermost edge relative to the moving direction of the product film is within an angle threshold range.

7. The management system according to claim 6, wherein: When there is instability at the edge in the determination area, the determination unit determines that it is a sign of abnormality.

8. The management system according to claim 1, wherein: have: A conveying section having a supporting area for supporting an original roll film by piercing the original roll film with a plurality of protrusions, the conveying section is used to pierce the original roll film and convey the original roll film, and the conveying section has a pulling section for peeling the original roll film from the plurality of protrusions; a fourth photographing unit that photographs the original film roll in a manner including a position where the original film roll is pulled out from the supporting area; a position determination unit that determines a pulling position of the original roll film in the photographic image captured by the fourth photographing unit; as well as The determination unit determines that the pull-out position of the original film is outside the second range as a sign of abnormality.

9. The management system according to claim 1, wherein: have: A conveying portion having a supporting area that pierces an original roll film with a plurality of convex portions and supports the original roll film, the conveying portion being used to pierce the original roll film and convey the original roll film; a fifth photographing section configured to photograph the original roll film including an edge thereof at a position upstream of the support area in the conveying direction of the conveying section; a position determination unit that determines the edge position of the original roll film at a reference position in the photographic image of the fifth photographing unit; as well as The determination unit determines that there is a sign of abnormality when an absolute value of the amount of change in the edge position at the reference position exceeds a first threshold value.

10. The management system according to claim 1, wherein: have: A conveying portion having a supporting area that pierces an original roll film with a plurality of convex portions and supports the original roll film, the conveying portion being used to pierce the original roll film and convey the original roll film; a sixth photographing unit configured to take a photographic image including a portion of the original film roll located in the supporting area in a conveying direction of the conveying unit; an edge determining unit that determines an edge of the original roll film in the photographic image of the sixth photographing unit; as well as The determination unit determines whether an area surrounded by a reference line extending in a conveying direction and an edge of the original film roll exceeds an area threshold value, and determines that it is a sign of abnormality when the area threshold value is exceeded.

11. The management system according to claim 10, wherein: The determination unit determines that there is a sign of abnormality when the number of times the area threshold is exceeded per predetermined time is equal to or greater than a second number threshold.

Images