WO2023105999A1 - 生産機械の診断システムおよび方法、製函機、リモートモニタリングシステム - Google Patents
生産機械の診断システムおよび方法、製函機、リモートモニタリングシステム Download PDFInfo
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- WO2023105999A1 WO2023105999A1 PCT/JP2022/040798 JP2022040798W WO2023105999A1 WO 2023105999 A1 WO2023105999 A1 WO 2023105999A1 JP 2022040798 W JP2022040798 W JP 2022040798W WO 2023105999 A1 WO2023105999 A1 WO 2023105999A1
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Classifications
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Definitions
- the present disclosure relates to a production machine diagnosis system and method for monitoring and diagnosing the operating state of production machines, a box making machine, and a remote monitoring system.
- a box making machine manufactures boxes (cardboard boxes) by processing sheet materials (for example, cardboard sheets).
- the box making machine has a paper feeding section, a printing section, a paper discharging section, a die cutting section, a folder gluer section, and a counter ejector section.
- a box making machine is composed of many mechanical parts and electric parts, and the mechanical parts and electric parts are driven by a drive device such as a drive motor, a blower, and an air cylinder.
- mechanical and electrical parts may experience troubles due to deterioration or failure of parts, poor adjustment or poor maintenance of machines. Therefore, workers need to periodically maintain the mechanical parts and electrical parts.
- a box making machine is equipped with a large number of drive devices, such as drive motors for driving mechanical and electrical parts.
- a large number of driving devices differ in motor capacity, driving direction, location, driving timing, manufacturing company, and the like. Therefore, it is difficult to perform highly accurate monitoring and diagnosis of the operating state simply by monitoring the magnitude of the driving current of the driving device.
- the present disclosure is intended to solve the above-described problems, and is a diagnostic system and method for a production machine, a box making machine, a remote The purpose is to provide a monitoring system.
- a production machine diagnosis method includes the step of collecting operation data of a first driving device that drives a device that conveys a sheet, among a plurality of driving devices, when the first driving device is driven; a step of detecting an abnormality based on operation data of the first drive device; and operation data of the second drive device when a second drive device other than the first drive device among the plurality of drive devices is driven. and detecting an abnormality based on the operation data of the second driving device.
- the box making machine of the present disclosure includes a paper feeding unit that supplies a sheet material for making a box, a printing unit that prints on the sheet material for making a box, and a ruled line processing on the surface of the sheet material for making a box.
- a paper discharge unit that performs groove cutting, a folder gluer unit that forms a box by folding the box-making sheet material and joining the ends, and a predetermined after stacking while counting the boxes
- a counter ejector section for ejecting each number and a diagnostic system for the production machine are provided.
- the remote monitoring system of the present disclosure includes the diagnostic system of the production machine, and a terminal device that can access the diagnostic system of the production machine via a network.
- the production machine diagnosis system of the present disclosure it is possible to perform highly accurate diagnosis by detecting the drive state of the drive device at the optimum timing.
- FIG. 1 is a schematic configuration diagram showing the box making machine of the present embodiment.
- FIG. 2 is a schematic diagram showing the paper feed unit.
- FIG. 3 is a schematic diagram showing the printing unit.
- FIG. 4 is a schematic diagram showing the paper discharge section.
- FIG. 5 is a schematic diagram showing a die cut portion.
- FIG. 6 is a schematic diagram showing a folder gluer section.
- FIG. 7 is a schematic diagram showing the counter ejector section.
- FIG. 8 is a schematic diagram showing a remote monitoring system having a diagnosis system for a box making machine according to this embodiment.
- FIG. 9 is a flow chart showing a method for diagnosing a box making machine according to this embodiment.
- FIG. 10 is a flow chart showing processing in the first diagnostic mode.
- FIG. 10 is a flow chart showing processing in the first diagnostic mode.
- FIG. 11 is a flow chart showing processing in the second diagnostic mode.
- FIG. 12 is a time chart showing processing in the third diagnosis mode.
- FIG. 13 is a table showing an example of diagnostic results in the first diagnostic mode.
- FIG. 14 is a table showing an example of diagnostic results in the second diagnostic mode.
- FIG. 1 is a schematic configuration diagram showing the box making machine of the present embodiment.
- a case making machine is applied as a production machine.
- the box making machine 10 manufactures a cardboard box B by processing a cardboard sheet S.
- the box making machine 10 has a paper feeding section 11 , a printing section 12 , a paper discharging section 13 , a die cutting section 14 , a folder gluer section 15 and a counter ejector section 16 .
- the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, and the counter ejector unit 16 form a straight line along the conveying direction D in which the corrugated cardboard sheet S and the corrugated cardboard box B are conveyed. placed.
- the paper feed unit 11 is loaded with a large number of plate-shaped corrugated cardboard sheets S, and feeds the corrugated cardboard sheets S one by one to the printing unit 12 at a constant speed.
- the printing unit 12 performs multi-color printing (four-color printing in this embodiment) on the surface of the cardboard sheet S. As shown in FIG.
- the printing section 12 has four printing units 12A, 12B, 12C, and 12D arranged along the transport direction D, and prints on the surface of the cardboard sheet S using four kinds of ink colors.
- the paper discharge unit 13 has a function to perform a ruled line process, a function to perform a cutting process, and a function to perform a grooving process on the corrugated cardboard sheet S.
- the die cut part 14 punches the corrugated cardboard sheet S to make hand holes and the like.
- the folder gluer unit 15 folds the cardboard sheet S while moving it in the conveying direction, and joins both ends in the width direction to form a flat cardboard box B.
- the counter ejector unit 16 counts and stacks the cardboard boxes B manufactured by the folder gluer unit 15, sorts them into a predetermined number of batches, and discharges them.
- FIG. 2 is a schematic diagram showing the paper feed unit.
- the paper feed unit 11 includes a transport unit 21 and feed rolls 22 .
- a feed roll 22 is disposed downstream of the paper feed unit 11 in the transport direction D of the corrugated cardboard sheet S in the transport unit 21 .
- the transport section 21 includes a front guide 31 , a backstop 32 , a side guide 33 , a paper feed table 34 , a wheel assembly 35 , a suction section 36 and a grate device 37 .
- the transport unit 21 has a front guide 31 arranged on the downstream side in the transport direction D, and a backstop 32 arranged on the paper feed table 34 on the upstream side.
- the side guides 33 are arranged on both sides in the width direction perpendicular to the conveying direction D between the front guide 31 and the backstop 32 .
- the paper feed table 34 , the wheel assembly 35 and the suction portion 36 are arranged between the front guide 31 and the backstop 32 and between the left and right side guides 33 .
- the front guide 31 abuts the leading end of the cardboard sheet S that has been carried in.
- the backstop 32 is in contact with the rear end of the corrugated cardboard sheet S that is in contact with the front guide 31 .
- the corrugated cardboard sheet S is guided by the front guide 31 and the backstop 32 at the front end and the end and dropped onto the paper feed table 34, so that the position in the conveying direction D is aligned.
- the cardboard sheet S is aligned in the width direction by the left and right side guides 33 .
- the suction unit 36 has a plurality of suction boxes 41.
- a plurality of suction boxes 41 are connected to a suction blower 43 via ducts 42 .
- a suction force acts on the suction box 41 via the duct 42 .
- the suction box 41 has the wheel assembly 35 arranged therein.
- the wheel assembly 35 accommodates a plurality of rows (five rows in this embodiment) of wheels 44 arranged in the transport direction D.
- a driving motor 45 is connected to each of the wheels 44 . Driving the drive motor 45 causes the wheels 44 to rotate synchronously.
- the grate device 37 has a grate 46 .
- the grate 46 is arranged above the suction box 41 in the suction portion 36 and the wheel 44 in the wheel assembly 35 .
- the grate 46 is a lattice-shaped table in which a plurality of openings (not shown) are formed.
- the grate 46 can be raised and lowered by a lifting device having a drive motor 47 .
- the wheels 44 of the wheel assembly 35 rotate synchronously.
- a suction force acts on the suction box 41 .
- the wheels 44 come into contact with the lower surface of the cardboard sheet S at the lowest position on the paper feed table 34 .
- a suction force acts on the lower surface of the corrugated cardboard sheet S, and frictional resistance with the wheels 44 increases.
- the corrugated cardboard sheet S is fed to the downstream side through the gap formed below the front guide 31 by the rotating wheels 44 .
- the feed roll 22 has an upper feed roll 22a and a lower feed roll 22b.
- the feed rolls 22 are arranged downstream in the transport direction D from the front guide 31 .
- Drive motors 48a and 48b are connected to the upper feed roll 22a and the lower feed roll 22b.
- the drive motors 48a and 48b are driven, the upper feed roll 22a and the lower feed roll 22b rotate synchronously. Then, the corrugated cardboard sheet S supplied from the transport section 21 is sandwiched from above and below by the upper feed roll 22a and the lower feed roll 22b, and is supplied toward the downstream printing section 12 (see FIG. 1).
- FIG. 3 is a schematic diagram showing the printing unit.
- a plurality (four in this embodiment) of printing units 12A, 12B, 12C, and 12D are arranged in series along the transport direction D, and different ink colors are used on the surface of the cardboard sheet S. to print.
- Each printing unit 12A, 12B, 12C, 12D is constructed in substantially the same manner and has a printing cylinder 51, an ink supply roll (anilox roll) 52, an ink supply section 53, and a receiving roll .
- a printing plate 55 can be attached to the outer periphery of the printing cylinder 51 .
- each printing cylinder 51 is connected with a driving motor 56
- each ink supply roll 52 is connected with a driving motor 57.
- the drive motors 56 and 57 are driven, the print cylinder 51 and the ink supply roll 52 rotate synchronously.
- the transport unit 17 is arranged in the printing unit 12 .
- the transport unit 17 transports the cardboard sheet S in the transport direction D in the printing unit 12 .
- the transport section 17 has a plurality of guide rolls 58 and an endless transport belt 59 .
- a plurality of guide rolls 58 are arranged at the entrance and exit of the printing section 12 and below the printing section 12 .
- the conveying belt 59 is wound around a plurality of guide rolls 58 .
- a drive motor 60 is connected to one guide roll 58 . When the drive motor 60 is driven, the guide rolls 58 move the conveyor belt 59 .
- the printing cylinder 51 and the ink supply roll 52 rotate synchronously. Then, the corrugated cardboard sheet S supplied from the paper supply unit 11 is sandwiched from above and below by the print cylinder 51 and the receiving roll 54 and supplied toward the paper discharge unit 13 on the downstream side. At this time, the ink supply unit 53 supplies ink from the ink supply roll 52 to the printing plate 55 of the printing cylinder 51 . Then, when the corrugated cardboard sheet S is sandwiched between the printing cylinder 51 and the receiving roll 54 and conveyed, the ink of the printing plate 55 of the printing cylinder 51 is transferred to the surface of the corrugated cardboard sheet S to perform printing. .
- FIG. 4 is a schematic diagram showing the paper discharge section.
- the paper discharge section 13 has a first ruled line roll 61 , a second ruled line roll 62 , a slitter head 63 and a first slotter head 64 , and a second slotter head 65 .
- the first ruled line roll 61 has a ruled line roll body 61a and a receiving roll 61b.
- the ruled line roll main body 61a and the receiving roll 61b are disk-shaped, and are arranged in a plurality of sets at intervals in the width direction orthogonal to the conveying direction D of the corrugated cardboard sheet S.
- the second ruled line roll 62 has a ruled line roll main body 62a and a receiving roll 62b.
- the ruled line roll main body 62a and the receiving roll 62b are disc-shaped, and are arranged in plural sets at intervals in the width direction of the corrugated cardboard sheet S. As shown in FIG.
- the outer diameter of the first ruled line roll 61 is larger than the outer diameter of the second ruled line roll 62 .
- the corrugated board sheet S is sandwiched between the outer periphery of the ruled line roll body 61a and the outer periphery of the receiving roll 61b.
- a ruled line is formed on the lower surface when the corrugated cardboard sheet S passes between them.
- the corrugated board sheet S is sandwiched between the outer peripheral portion of the ruled line roll body 62a and the outer peripheral portion of the receiving roll 62b.
- One ruled line is formed on the corrugated cardboard sheet S by forming ruled lines at the same position by the first ruled line roll 61 and the second ruled line roll 62 .
- the first slotter head 64 has an upper slotter head 64a and a lower slotter head 64b.
- the upper slotter head 64a and the lower slotter head 64b are disc-shaped, and are arranged in four pairs in the width direction of the corrugated cardboard sheet S at predetermined intervals.
- the first slotter head 64 is provided corresponding to a predetermined position in the width direction of the conveyed corrugated cardboard sheet S by the upper slotter head 64a and the lower slotter head 64b, and performs grooving at the predetermined position on the corrugated cardboard sheet S. At the same time, the margin piece processing is performed.
- the slitter head 63 has a slitter upper blade and a slitter lower blade.
- the slitter upper blade and the slitter lower blade are disc-shaped, and are arranged at one end in the horizontal direction perpendicular to the conveying direction D of the corrugated cardboard sheet S.
- the slitter head 63 is provided corresponding to the edge in the width direction of the conveyed cardboard sheet S by the upper slitter blade and the lower slitter blade, and cuts the edge in the width direction E of the cardboard sheet S to be conveyed.
- the first slotter head 64 has a slotter knife 66 attached to the outer periphery of the upper slotter head 64a. Three of the four first slotter heads 64 are used for grooving the corrugated cardboard sheet S, and one of the four first slotter heads 64 is used for margin cutting of the corrugated cardboard sheet S. used for
- the second slotter head 65 has an upper slotter head 65a and a lower slotter head 65b.
- the upper slotter head 65a and the lower slotter head 65b are disc-shaped, and are arranged in four pairs in the width direction of the corrugated cardboard sheet S at predetermined intervals.
- the second slotter head 65 is provided corresponding to a predetermined position in the width direction of the conveyed corrugated cardboard sheet S by the upper slotter head 65a and the lower slotter head 65b. At the same time, the margin piece processing is performed.
- the second slotter head 65 has a slotter knife 67 attached to the outer periphery of the upper slotter head 65a. Three of the four second slotter heads 65 are used for grooving the corrugated cardboard sheet S, and one of the four second slotter heads 65 is used for margin cutting of the corrugated cardboard sheet S. used for
- a driving motor 68 is connected to the upper slotter head 64a of the first slotter head 64, and a driving motor 69 is connected to the upper slotter head 65a of the second slotter head 65.
- the drive motor 68 or the drive motor 69 is connected to the crease roll main bodies 61a and 62a of the first crease roll 61 and the second crease roll 62 by a power transmission mechanism (for example, a gear mechanism) (not shown).
- a power transmission mechanism for example, a gear mechanism
- the corrugated cardboard sheet S is conveyed between the upper slitter blade a and the lower slitter blade of the slitter head 63, the corrugated cardboard sheet S is sandwiched by the outer peripheral portion of the upper slitter blade and the outer peripheral portion of the lower slitter blade.
- the ends of the cardboard sheet S are cut by the upper slitter blade and the lower slitter blade.
- the outer peripheral portion of the upper slotter head 64a and the outer peripheral portion of the lower slotter head 64b move the cardboard sheet S.
- the corrugated board sheet S When the corrugated board sheet S is sandwiched and passes between the two, the corrugated board sheet S is grooved by the slotter knife 66 and the paste margin pieces are processed. Furthermore, when the corrugated cardboard sheet S is conveyed between the upper slotter head 65a and the lower slotter head 65b of the second slotter head 65, the corrugated cardboard sheet S is conveyed by the outer peripheral portion of the upper slotter head 65a and the outer peripheral portion of the lower slotter head 65b. When the corrugated board sheet S is sandwiched and passes between the two, the corrugated board sheet S is grooved by the slotter knife 67 and the paste margin piece is processed.
- FIG. 5 is a schematic diagram showing a die cut portion.
- the die cutting section 14 has a pair of upper and lower feed pieces 71 and 72, an anvil cylinder 73 and a knife cylinder 74.
- a pair of upper and lower feed pieces 71 and 72 are arranged on the side of the paper discharge section 13 , and the anvil cylinder 73 and the knife cylinder 74 are arranged downstream in the transport direction D from the feed pieces 71 and 72 .
- a pair of upper and lower feed pieces 71 and 72 are arranged to face each other vertically, and convey the corrugated cardboard sheet S while sandwiching it from above and below.
- the anvil cylinder 73 and the knife cylinder 74 are arranged vertically facing each other.
- the knife cylinder 74 has a columnar shape and is provided with a blade mount 75 on its outer peripheral surface.
- a cutting knife (cutting tool) 76 is attached to the cutting tool mount 75 , which is detachable from the outer peripheral surface of the knife cylinder 74 .
- the cutting knife 76 punches out the cardboard sheet S.
- Drive motors 77 and 78 are connected to the anvil cylinder 73 and the knife cylinder 74 . When the drive motors 77 and 78 are driven, the anvil cylinder 73 and the knife cylinder 74 rotate synchronously.
- the knife cylinder 74 has a blade mount 75 attached to its outer peripheral surface.
- the drive motors 77 and 78 are driven, the anvil cylinder 73 and the knife cylinder 74 rotate synchronously.
- the corrugated cardboard sheet S supplied from the paper discharge section 13 passes between the anvil cylinder 73 and the knife cylinder 74, it is punched by the cutting knife 76 of the blade mounting base 75, and is transferred to the folder gluer section on the downstream side. 15.
- FIG. 6 is a schematic diagram showing a folder gluer section.
- the folder gluer section 15 includes upper and lower conveyor belts 81 and 82, left and right bending guides 83 and 84, left and right gauge rollers 85 and 86, left and right forming belts 87 and 88, and left and right squaring bars 89 and 90. , and a gluing device 91 .
- the upper conveyor belt 81 and the lower conveyor belt 82 sandwich and convey the cardboard sheet S and the cardboard box B from above and below.
- a plurality of left and right folding guides 83 and 84 are arranged in series along the conveying direction, and are arranged at positions in the width direction corresponding to the ruled lines on the bottom surface of the corrugated cardboard sheet S. As shown in FIG.
- the left and right folding guides 83 and 84 fold downward the sheet piece on the edge side in the width direction at the position where the ruled line of the corrugated cardboard sheet S abuts on the folding portion.
- the left and right bending guides 83 and 84 are arranged in series along the transport direction D on the downstream side in the transport direction D, and the left and right transport guides (not shown) are arranged.
- the left and right gauge rollers 85 and 86 hold the corrugated cardboard sheet S that has been bent downward at the positions of the ruled lines at the respective ends in the width direction, fold it inward, and convey it.
- the left and right forming belts 87 and 88 are twisted in the conveying direction D so that both ends in the width direction of the corrugated cardboard sheet S are in contact with the outer surface (upper surface) of each sheet piece to be folded downward. placed at an angle. Therefore, the corrugated cardboard sheet S is conveyed while being supported by the left and right bending guides 83 and 84, the left and right conveying guides (not shown), and the left and right gauge rollers 85 and 86. As shown in FIG. At this time, the left and right forming belts 87 and 88 fold the sheet pieces at the ends in the width direction while sequentially pressing them downward and inward.
- the left and right squaring bars 89, 90 are arranged to partially overlap the forming belts 87, 88 and the gauge rollers 85, 86 in the conveying direction D. Like the forming belts 87, 88, the left and right squaring bars 89, 90 are arranged so as to face and contact the outer surface (upper surface) of each sheet piece on which both ends in the width direction of the corrugated cardboard sheet S are folded downward. be.
- the gluing device 91 has a gluing wheel and applies gluing to a predetermined position on the cardboard sheet S. As shown in FIG.
- Conveyor belts 81, 82, gauge rollers 85, 86, forming belts 87, 88, squaring bars 89, 90 and gluing device 91 are driven by drive motors 92, 93, 94, 95, 96, 97, 98 and 99 are connected.
- Drive motors 92, 93, 94, 95, 96, 97, 98, 99 synchronize conveyor belts 81, 82, gauge rollers 85, 86, forming belts 87, 88, squaring bars 89, 90 and gluing device 91. to drive.
- the sheet pieces on the widthwise end side are sequentially pressed downward and inward by the forming belts 87 and 88 and folded.
- the gauge rollers 85 and 86 grip the cardboard sheet S at the folding position, fold it inward, and convey it.
- the squaring bars 89 and 90 cooperate with the forming belts 87 and 88 to press the sheet pieces of the corrugated cardboard sheet S at the ends in the width direction downward and inward in order.
- the gluing device 91 applies glue to the widthwise end portions of the corrugated cardboard sheet S, thereby forming the corrugated cardboard box B. As shown in FIG.
- FIG. 7 is a schematic diagram showing the counter ejector section.
- the counter ejector unit 16 includes a hopper unit 101, a delivery device 102, and a blower device 103.
- the hopper unit 101 stacks flat cardboard boxes B. As shown in FIG.
- the delivery device 102 continuously delivers the cardboard boxes B to the hopper section 101 .
- the blower 103 blows air from above to the cardboard box B conveyed on the hopper section 101 .
- the counter ejector section 16 is provided with an exit section conveyor roller 111 of the folder gluer section 15 (see FIG. 1) at the entrance section, and a pair of upper and lower delivery rolls 112 constituting the delivery device 102 .
- the counter ejector section 16 is provided with a spanker (correcting plate) 113 that presses the rear end of the stack T below the feeding device 102 .
- the hopper section 101 has a space for forming a stack T by stacking the cardboard boxes B. As shown in FIG.
- the delivery device 102 delivers the cardboard box B toward the upper space of the hopper section 101 .
- the hopper part 101 is provided with a flexible front stop 114 on the downstream side of the cardboard box B in the conveying direction.
- the front stop 114 stops the cardboard box B delivered by the delivery device 102 while decelerating it.
- the hopper section 101 is provided with an elevator 116 below, and the stack T accumulated halfway is transferred from the ledge 117, receives the cardboard boxes B that hit the front stop 114 on the stack T, and stacks them to a predetermined value. A number of stacks T are formed.
- the elevator 116 is arranged horizontally below the feeding device 102 on the downstream side in the conveying direction, and is supported by a support shaft 119 provided on a rack 118a. Elevator 116 is configured to be vertically reciprocable by a drive mechanism comprising rack 118a, pinion 118b meshing with rack 118a, and drive motor 120 coupled to pinion 118b.
- the counter ejector section 16 is provided with side frames 121 on both sides in the machine width direction downstream of the hopper section 101 in the conveying direction of the cardboard box B.
- the side frames 121 are provided with horizontal rails 122, and the ledge supports 115 are movably supported on the rails 122 on both sides. That is, the ledge support 115 is composed of a roller 123 running on the rail 122, a pinion (not shown) meshing with a rack (not shown) provided along the rail 122, and a driving motor 124 for rotating the pinion. It can be moved back and forth in the transport direction by the moving mechanism.
- the ledge support 115 is provided with a horizontally extending ledge 117 via a lifting mechanism having a drive motor 125 .
- the lifting mechanism is composed of a rack and pinion mechanism and a drive motor 125 that rotates the pinion (not shown). Therefore, the forward and reverse rotation of the drive motor 125 can move the ledge support 115 up and down.
- the ledge 117 receives the cardboard boxes B that have fallen in contact with the front stop 114 and accumulates the cardboard boxes B to form a stack T.
- the cardboard boxes B are accumulated on the elevator 116, and when the stack T reaches the set number of sheets, it operates again to form the next stack T instead of the elevator 116. Receive cardboard box B.
- the ledge 117 is supported so that a press bar 126 that presses the stack T can be raised and lowered by a lifting mechanism having a drive motor 127 .
- the lifting mechanism is also composed of a rack and pinion mechanism and a drive motor 127 that rotates the pinion. Therefore, the press bar 126 can be moved up and down by forward and reverse rotation of the drive motor 127 .
- the lower conveyor 128 is provided at the same height as the upper surface of the elevator 116 when the elevator 116 reaches its lowest point, and a discharge conveyor 129 is provided at the same height position as the lower conveyor 128 on the downstream side.
- a blower 103 is provided around the hopper portion 101 to blow air against the cardboard box B delivered from the delivery device 102 .
- the blower 103 has a first blower 131 and a second blower 132 .
- FIG. 8 is a schematic diagram showing a remote monitoring system having a diagnosis system for a box making machine according to this embodiment.
- the remote monitoring system 200 includes a box making machine 10, a diagnostic system 201, a storage unit 202, and a plurality of terminals (terminal devices) 203, 204, .
- the box making machine 10 and a diagnostic system 201 are connected by wire or wirelessly, and the diagnostic system 201, a storage unit 202, and a plurality of terminals (terminal devices) 203, 204, .
- Network 300 is a communication network such as the Internet, and may be a wired network or a wireless network.
- the box making machine 10 has a box making machine main body 10A and a box making machine control device 10B.
- the box making machine main body 10A has a paper feeding section 11, a printing section 12, a paper discharging section 13, a die cutting section 14, a folder gluer section 15, a counter ejector section 16, and a conveying section 17.
- the box making machine control device 10 ⁇ /b>B can control the paper feeding section 11 , the printing section 12 , the paper discharging section 13 , the die cutting section 14 , the folder gluer section 15 , the counter ejector section 16 and the conveying section 17 .
- the paper feed unit 11 has a plurality of drive motors 45, 47, 48a, and 48b as the paper feed unit drive motor 11M.
- the printing unit 12 has a plurality of driving motors 56 and 57 as the printing unit driving motor 12M.
- the paper discharge section 13 has a plurality of drive motors 68 and 69 as a paper discharge section drive motor 13M.
- the die cutting section 14 has a plurality of driving motors 77 and 78 as a die cutting section driving motor 14M.
- the folder gluer section 15 has a plurality of drive motors 92, 93, 94, 95, 96, 97, 98 and 99 as a folder gluer section drive motor 15M.
- the counter ejector section 16 has a plurality of drive motors 120, 124, 125 and 127 as a counter ejector section drive motor 16M.
- the transport unit 17 has a drive motor 60 as a transport unit drive motor 17M.
- the paper feed unit drive motor 11M, the print unit drive motor 12M, the paper discharge unit drive motor 13M, the die cut unit drive motor 14M, the folder gluer unit drive motor 15M, and the transport unit drive motor 17M It is an inverter motor that functions as a driving device.
- the counter ejector section drive motor 16M is a servomotor that functions as a second drive device.
- the first driving device is not limited to the inverter motor, and may be a servo motor, a general-purpose motor, or other motors, or may be combined as appropriate.
- what functions as the second driving device is not limited to the servomotor, and may be an inverter motor or other motors, or may be combined as appropriate.
- the first driving device drives a device that conveys the corrugated cardboard sheet S and the corrugated cardboard box B as sheets.
- the second driving device is a driving device other than the first driving device.
- the first driving device is arranged upstream of the cardboard sheet S and the cardboard box B in the conveying direction D
- the second driving device is mainly arranged downstream of the first driving device in the conveying direction D. be done.
- the first driving device is an inverter motor that drives a device for horizontally conveying the corrugated cardboard sheet S and the corrugated cardboard box B.
- the second driving device is a servomotor that drives a device that conveys the corrugated cardboard sheet S and the corrugated cardboard box B along the horizontal or vertical direction.
- the second driving device is a support for aligning cardboard boxes (boxes) conveyed to the counter ejector section 16, or a servo motor for driving the shaft of the moving mechanism.
- the motor capacity of the second driving device eg, 1.5 kw to 3.5 kw
- the motor capacity of the first driving device eg, 3.7 kw to 30.0 kw).
- the second drive device includes a drive motor that adjusts the position of the device that supports the cardboard sheet S and the cardboard box B.
- the second driving device is a servomotor and a general-purpose motor (direct-loading motor), and includes a motor for horizontally moving the head in the discharge section 13 .
- the second driving device includes a drive motor that adjusts the gap between the ruled line roll main body 61a of the first ruled line roll 61 and the receiving roll 61b in the paper discharge section 13, and the ruled line roll main body 62a of the second ruled line roll 62 and the receiving roll. It includes a drive motor that adjusts the amount of clearance with 62b.
- a general-purpose motor is a motor that can obtain power simply by connecting a capacitor and supplying power from a commercial power source.
- General-purpose motors are suitable for continuous operation at a constant speed, and are used, for example, to rotate rollers or power blowers.
- a general-purpose motor may not be connected to a capacitor.
- the second drive device also includes a drive motor that adjusts the amount of gap between the upper slotter head 64 a and the lower slotter head 64 b of the first slotter head 64 .
- the second drive device includes a drive motor that adjusts the amount of gap between the upper slotter head 65 a and the lower slotter head 65 b of the second slotter head 65 .
- the die cutting section 14 includes a feed band drive motor and a cylinder lateral movement motor.
- the folder gluer section 15 also includes left and right frame movement motors on the entry side, left and right frame movement motors on the exit side, and left and right folding bar lateral movement motors.
- the counter ejector portion 16 includes a squaring drive motor.
- a torque sensor 241, a temperature sensor 251, a vibration sensor 261, an AE sensor 271, and a position sensor 291 are connected to the paper feed unit drive motor 11M.
- a torque sensor 242, a temperature sensor 252, a vibration sensor 262, and a position sensor 292 are connected to the printing unit drive motor 12M.
- a torque sensor 243, a temperature sensor 253, a vibration sensor 263, a current sensor 283, and a position sensor 293 are connected to the paper discharge unit drive motor 13M.
- a torque sensor 244, a temperature sensor 254, a vibration sensor 264, a current sensor 284, and a position sensor 294 are connected to the die cutting section drive motor 14M.
- a torque sensor 245, a temperature sensor 255, a vibration sensor 265, a current sensor 285, and a position sensor 295 are connected to the folder gluer drive motor 15M.
- a torque sensor 246, a vibration sensor 266, an AE sensor 276, a current sensor 286, and a position sensor 296 are connected to the counter ejector drive motor 16M.
- a torque sensor 247, a temperature sensor 257, a vibration sensor 267, and a position sensor 297 are connected to the transport unit drive motor 17M.
- the drive torque of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M detected by the torque sensors 241, 242, 243, 244, 245, 246, and 247 is input to the box making machine control device 10B.
- the temperatures of the drive motors 11M, 12M, 13M, 14M, 15M and 17M detected by the temperature sensors 251, 252, 253, 254, 255 and 257 are input to the box making machine control device 10B.
- the box making machine control device 10B receives the vibrations (vibration widths) of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M detected by the vibration sensors 261, 262, 263, 264, 265, 266, and 267. be.
- the vibration energy of the driving motors 11M and 16M detected by the AE sensors 271 and 276 is input to the box making machine control device 10B.
- the current values of the driving motors 13M, 14M, 15M and 16M detected by the current sensors 283, 284, 285 and 286 are input to the box making machine control device 10B.
- the box making machine control device 10B sets the movement positions of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M detected by the position sensors 291, 292, 293, 294, 295, 296, and 297 to the drive motors 11M, 16M, and 17M.
- Rotational positions (rotational angles) during one rotation of 12M, 13M, 14M, 15M, 16M, and 17M are input.
- Position sensors 291, 292, 293, 294, 295, 296, and 297 are encoders built into drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M or potentiometers provided outside
- the box making machine control device 10B not only stores the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M, but also the drive motors for adjusting the positions of the equipment supporting the cardboard sheets S and the cardboard boxes B.
- operation data current value
- the box making machine control device 10B drives blowers for sucking the corrugated cardboard sheets S and the corrugated cardboard boxes B in the paper feeding unit 11, the printing unit 12, the folder gluer unit 15, the counter ejector unit 16, and the transport unit 17.
- Operation data (vibration, current value) of the drive motor to be driven is input.
- the diagnostic system 201 includes a diagnostic device 211 , an operation section 212 , a display section 213 , a storage section 214 and a communication section 215 .
- the diagnostic system 201 is connected to the box making machine control device 10B.
- the diagnostic device 211 analyzes the operation data of the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, the counter ejector unit 16, and the transport unit 17 in the box making machine 10.
- the paper feeding section 11, the printing section 12, the paper discharging section 13, the die cutting section 14, the folder gluer section 15, the counter ejector section 16, and the conveying section 17 are diagnosed, and an abnormality such as a failure is found.
- the diagnostic device 211 is a control device.
- the control device as the diagnostic device 211 is a controller, and various programs stored in the storage unit 214 are executed by a CPU (Central Processing Unit) or MPU (Micro Processing Unit), for example, using the RAM as a work area. It is realized by
- the operation unit 212 can input various data to the diagnostic device 211 by being operated by the operator.
- the operating unit 212 is, for example, a keyboard or a touch-type display.
- the display unit 213 can display the processing contents of the diagnostic device 211 .
- the storage unit 214 stores various programs executed by the diagnostic device 211 .
- the various programs include a program for analyzing and diagnosing operation data of the paper feeding section 11, the printing section 12, the paper discharging section 13, the die cutting section 14, the folder gluer section 15, the counter ejector section 16, and the conveying section 17.
- the storage unit 214 stores the diagnostic results of the diagnostic device 211 and the like.
- the communication unit 215 can transmit and receive data such as diagnostic results diagnosed by the diagnostic device 211 . That is, the communication unit 215 can transmit data such as diagnostic results diagnosed by the diagnostic device 211 to the storage unit 202 via the network 300, and can receive various data stored in the storage unit 202. .
- the diagnostic device 211 has a data collection section 221 and a diagnostic section 222 .
- Diagnosis section 222 has first diagnosis section 231 and second diagnosis section 232 .
- the data collection unit 221 collects operation data of the paper feed unit 11, the print unit 12, the paper discharge unit 13, the die cut unit 14, the folder gluer unit 15, the counter ejector unit 16, and the transport unit 17 output from the box making machine control device 10B. to get The operation data of the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, the counter ejector unit 16, and the conveying unit 17 are the data of the paper feeding unit driving motor 11M, the printing unit driving motor 12M, and the It is the operation data of the paper discharge unit drive motor 13M, the die cut unit drive motor 14M, the folder gluer unit drive motor 15M, the counter ejector unit drive motor 16M, and the transport unit drive motor 17M.
- the operating data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M are detected values of the torque sensors 241, 242, 243, 244, 245, 246, and 247, temperature sensors 251 and 252 , 253, 254, 255, 257, vibration sensors 261, 262, 263, 264, 265, 266, 267 detection values, AE sensors 271, 276 detection values, current sensors 283, 284, 285 , 286 and the detected values of the position sensors 291 , 292 , 293 , 294 , 295 , 296 and 297 .
- the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M change with the passage of time. and parameters (digital data and analog data) of the counter ejector section 16 and the conveying section 17 .
- the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M collected by the data collection unit 221 are stored in the storage unit 214, for example.
- the data collection unit 221 acquires the operation data (current value) of the drive motor that adjusts the position of the equipment, which is output from the box making machine control device 10B. Further, the box making machine control device 10B acquires operation data (vibration, current value) of a drive motor that drives a blower for sucking the cardboard sheets S and the cardboard boxes B.
- the diagnosis unit 222 detects an abnormality based on the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M collected by the data collection unit.
- the diagnostic unit 222 compares the torque, temperature, vibration, moving energy, and current values of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M with preset reference ranges. Note that this reference range can be set to any value.
- Diagnosis unit 222 determines that the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M are normal if the torque, temperature, vibration, moving energy, and current values of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M are within the reference range. Judged as abnormal.
- the first diagnostic unit 231 detects an abnormality based on the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, and 17M as the first drive device.
- the second diagnosis section 232 detects an abnormality based on the operation data of the drive motor 16M.
- the data collection unit 221 drives the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M to acquire operation data when the carton making machine 10 is in the diagnosis mode in which the cardboard box B is not manufactured.
- the first diagnostic section 231 and the second diagnostic section 232 detect an abnormality based on the operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M acquired in the diagnostic mode.
- the data collection unit 221 drives the drive motors 11M, 12M, 13M, 14M, 15M, and 17M and the drive motor 16M at different times to acquire operation data, detects respective abnormalities based on operation data of the drive motors 11M, 12M, 13M, 14M, 15M, 17M and the drive motor 16M driven at different times.
- the first diagnostic unit 231 detects an abnormality based on operation data when the drive motors 11M, 12M, 13M, 14M, 15M, and 17M are driven in one direction (forward rotation drive).
- the second diagnostic unit 232 detects an abnormality based on operation data when the drive motor 16M is driven in one direction (forward rotation) and in the other direction (reverse rotation).
- the first diagnosis unit 231 detects an abnormality based on operation data when the drive motors 11M, 12M, 13M, 14M, 15M, and 17M are driven simultaneously.
- the second diagnosis unit 232 detects an abnormality based on operation data obtained when driving the plurality of drive motors 16M in order. Note that the first diagnosis unit 231 may detect an abnormality based on operation data obtained when the drive motors 11M, 12M, 13M, 14M, 15M, and 17M are individually and continuously driven without being limited to this method. .
- the second diagnosis unit 232 may detect an abnormality based on operation data obtained when a plurality of drive motors 16M are driven simultaneously. Further, the acquisition methods of the driving data of the first diagnostic unit 231 and the second diagnostic unit 232 may be combined as appropriate.
- the drive motors 11M, 12M, 13M, 14M, 15M, and 17M as the first drive device are inverter motors, and the drive motor 16M as the second drive device is a servo motor.
- the motor capacity of the drive motor 16M as the second drive device is smaller than the motor capacity of the drive motors 11M, 12M, 13M, 14M, 15M and 17M as the first drive device.
- the drive motors 11M, 12M, 13M, 14M, 15M, 17M as the first drive device and the drive motor 16M as the second drive device are driven simultaneously, for example, the drive motors 11M, 12M.
- the vibrations of 13M, 14M, 15M, and 17M are large, and it becomes difficult to detect the vibration of the driving motor 16M as the second driving device with high accuracy. That is, the vibrations of the drive motors 11M, 12M, 13M, 14M, 15M, and 17M are transmitted to the drive motor 16M, and the vibration sensor 266 of the drive motor 16M erroneously detects them.
- the diagnostic device 211 of this embodiment acquires and diagnoses operation data of the drive motors 11M, 12M, 13M, 14M, 15M, and 17M as the first drive device, and operates the drive motor 16M as the second drive device. Perform data acquisition and diagnostics at different times.
- the diagnosis by the diagnostic device 211 is limited to this method. The acquisition (measurement) of the operation data of the drive motor 16M may be performed at different times, and the diagnosis of each operation data may be performed at the same time.
- the diagnostic unit 222 detects an abnormality based on operation data of the drive motor that adjusts the position of the device. In this case, this process is executed by the second diagnostic unit 232 . Furthermore, the diagnostic unit 222 detects an abnormality based on operation data of a drive motor that drives a blower for sucking the cardboard sheet S or the cardboard box B. FIG. In this case, this processing is preferably executed by the first diagnostic unit 231, but may be executed by the second diagnostic unit 232.
- the storage unit 202 is implemented by a server device, a cloud system, or the like.
- the storage unit 202 can be connected to the diagnostic device 211 via the network 300 . That is, the diagnostic device 211 collects operation data of the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, the counter ejector unit 16, and the conveying unit 17 collected by the data collecting unit 221, and diagnoses the operation data. Data such as diagnosis data of the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, the counter ejector unit 16, and the conveying unit 17 diagnosed by the unit 222 are stored via the network 300. The data is received by the unit 202, and the storage unit 202 stores these data.
- the storage unit 202 has a communication unit (not shown).
- the terminals 203 and 204 can be operated by a user such as a serviceman, manager or engineer of a box making machine manufacturing company, or a manager, engineer or worker of a corrugated cardboard manufacturing company.
- the terminals 203 and 204 can access the storage unit 202 via the network 300 by being operated by the user. That is, by operating the terminals 203 and 204, the user can operate the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, and the counter ejector unit 16 stored in the storage unit 202. It is possible to acquire data such as operation data and diagnostic data of the transport unit 17 .
- the terminals 203 and 204 become usable when the user logs in. That is, the terminals 203 and 204 store programs for logging in. In this case, the user can log in to the storage unit 202 by entering an ID and password, and can acquire various data.
- FIG. 9 is a flow chart showing a method for diagnosing a box making machine according to this embodiment.
- a method for diagnosing a box making machine includes the steps of: collecting operation data of a first driving device that drives a device that conveys sheets among a plurality of driving devices; a step of detecting an abnormality based on operation data of one drive device; and a step of collecting operation data of the second drive device when the second drive device other than the first drive device among the plurality of drive devices is driven. and detecting an abnormality based on the operating data of the second drive.
- the diagnostic system 201 of this embodiment has a first diagnostic mode, a second diagnostic mode, and a third diagnostic mode.
- the first diagnostic mode an abnormality is detected based on operating data obtained when driving the plurality of drive motors 11M, 12M, 13M, 14M, 15M, and 17M as the first drive device simultaneously.
- the first diagnosis mode by simultaneously driving the drive motors 11M, 12M, 13M, 14M, 15M, and 17M, operation data can be collected in a short period of time to detect abnormalities.
- operation data by driving each device at the same time as in the production run, it is possible to collect operation data close to the time of the production run, taking into account the effects of vibrations of adjacent devices.
- the driving motors 11M, 12M, 13M, 14M, 15M, and 17M may be divided into several groups and driven to collect driving data.
- 13M, 14M, 15M, 17M, blower may be selected, and only the selected diagnosis object part may be driven to collect operation data.
- the second diagnosis mode an abnormality is detected based on operation data when driving the plurality of drive motors 16M as the second drive device in order. In this case, it is also possible to select a diagnosis target portion from among the plurality of drive motors 16M, drive only the selected diagnosis target portion, and collect operation data.
- the third diagnostic mode abnormality is detected based on operation data when the drive motors 11M, 12M, 13M, 14M, 15M, and 17M as the first drive device and the drive motor 16M as the second drive device are driven in order. do. That is, the third diagnostic mode is a continuous diagnostic mode in which the first diagnostic mode and the second diagnostic mode are continuously performed.
- step S11 the operator operates the operation unit 212 to switch the box making machine 10 from the operation mode to the diagnosis mode.
- step S ⁇ b>12 the operator operates the operation unit 212 to select one of the first diagnostic mode, the second diagnostic mode, and the third diagnostic mode.
- step S13 the diagnostic device 211 determines whether or not the first diagnostic mode has been selected. Here, when the diagnostic device 211 determines that the first diagnostic mode has been selected (Yes), the diagnostic device 211 executes the first diagnostic mode in step S14.
- step S15 the diagnostic device 211 determines whether or not the second diagnostic mode has been selected.
- the diagnostic device 211 determines that the second diagnostic mode has been selected (Yes)
- the diagnostic device 211 executes the second diagnostic mode in step S16.
- the diagnostic device 211 determines that the second diagnostic mode is not selected (No) in step S15
- the diagnostic device 211 executes the third diagnostic mode in step S17.
- FIG. 10 is a flow chart showing processing in the first diagnostic mode.
- step S21 the operator operates the operation unit 212 to select a diagnostic target portion to be diagnosed in the first diagnostic mode.
- the parts to be diagnosed in the first diagnosis mode are the drive motors 11M, 12M, 13M, 14M, 15M, and 17M of the paper feeding unit 11, the printing unit 12, the paper discharging unit 13, the die cutting unit 14, the folder gluer unit 15, and the conveying unit 17. , a driving motor for driving the blowers of the paper feeding unit 11 , the printing unit 12 , the folder gluer unit 15 , the counter ejector unit 16 , and the conveying unit 17 .
- the operator selects a diagnosis target portion to be diagnosed in the first diagnosis mode from among the drive motors 11M, 12M, 13M, 14M, 15M, and 17M and the drive motors of the respective blowers. It should be noted that the fact that the operator did not select a diagnostic target portion to be diagnosed in the first diagnostic mode means that all drive motors are diagnostic target portions to be diagnosed in the first diagnostic mode.
- the diagnostic device 211 determines whether or not the switch for starting the first diagnostic mode has been operated. If the diagnostic device 211 determines that the start switch for the first diagnostic mode has not been operated (No), it waits in this state. On the other hand, when the diagnosis device 211 determines that the start switch of the first diagnosis mode has been operated (Yes), in step S23, after blinking the start switch of the first diagnosis mode for a predetermined time (for example, 1 second), , light up. Then, in step S24, the diagnostic device 211 issues an alarm for a predetermined period of time (for example, 1 second) to notify that the first diagnostic mode is to be started.
- a predetermined time for example, 1 second
- step S25 the diagnostic device 211 starts driving rotation of the drive motor selected as the diagnosis target part in the first diagnostic mode.
- diagnosis of all drive motors selected as diagnosis target parts is performed at the same time.
- diagnosis of the drive motor selected as the diagnosis target portion may be performed individually and continuously.
- step S26 the diagnostic device 211 determines whether or not the rotation speed of the drive motor has reached a preset first speed. When the diagnostic device 211 determines that the rotation speed of the drive motor has not reached the first speed (No), it increases the rotation of the drive motor.
- step S27 an alarm is issued for a predetermined time (for example, 1 second). Then, in step S28, the diagnostic device 211 further increases the rotation of the drive motor.
- step S29 the diagnostic device 211 determines whether or not the rotation speed of the drive motor has reached a preset second speed (maximum speed). When the diagnostic device 211 determines that the rotation speed of the drive motor has not reached the second speed (No), it increases the rotation of the drive motor. When the diagnostic device 211 determines that the rotation speed of the drive motor has reached the second speed (Yes), in step S30, the drive motor of the blower starts to rotate.
- the diagnostic device 211 (data collection unit 221) starts measurement and collects operation data when each driving motor is continuously driven.
- the diagnostic device 211 determines whether or not a predetermined time, which is a preset measurement time, has elapsed since the measurement was started. If the diagnostic device 211 determines that the predetermined time has not elapsed (No), it continues the measurement. When the diagnosis device 211 determines that the predetermined time has passed (Yes), in step S33, it ends the measurement and stops collecting the operation data of each drive motor.
- step S34 the diagnostic device 211 reduces the rotation speed of the drive motor.
- step S35 the diagnostic device 211 determines whether or not the rotation speed of the drive motor has reached 0 and stopped. If the diagnosis device 211 determines that the drive motor has not stopped (No), it waits until the drive motor stops. When the diagnostic device 211 determines that the drive motor has stopped (Yes), it stops the blower drive motor in step S36. Then, in step S37, the diagnostic device 211 issues an alarm for a predetermined period of time (for example, 1 second) to notify that all drive motors have stopped. In step S38, the diagnostic device 211 turns off the start switch of the first diagnostic mode.
- a predetermined period of time for example, 1 second
- step S39 the diagnostic device 211 (first diagnostic unit 231) processes the acquired operation data of the drive motor, and in step S40, determines whether the operation data of the drive motor is good or bad. Then, in step S ⁇ b>41 , the diagnosis device 211 causes the display unit 213 to display the diagnosis result of the drive motor, stores it in the storage unit 214 , and stores it in the storage unit 202 via the network 300 .
- FIG. 11 is a flow chart showing processing in the second diagnostic mode.
- step S51 the operator operates the operation unit 212 to select a diagnosis target portion to be diagnosed in the second diagnosis mode.
- the parts to be diagnosed in the second diagnosis mode are the driving motor 16M of the counter ejector part 16 and the driving motors for adjusting the positions of the devices in the paper discharging part 13, the die cutting part 14, the folder gluer part 15 and the counter ejector part 16.
- the operator selects a diagnosis target portion to be diagnosed in the second diagnosis mode from among the drive motor 16M and each adjustment drive motor. It should be noted that the fact that the operator did not select a diagnostic target portion to be diagnosed in the second diagnostic mode means that all drive motors are diagnostic target portions to be diagnosed in the second diagnostic mode.
- the diagnostic device 211 determines whether or not the switch for starting the second diagnostic mode has been operated. When the diagnostic device 211 determines that the switch for starting the second diagnostic mode has not been operated (No), it waits in this state. On the other hand, when the diagnostic device 211 determines that the second diagnostic mode start switch has been operated (Yes), in step S53, after blinking the second diagnostic mode start switch for a predetermined time (for example, 1 second), , light up. Then, in step S54, the diagnostic device 211 issues an alarm for a predetermined period of time (for example, 1 second) to notify that the first diagnostic mode is to be started.
- a predetermined time for example, 1 second
- the diagnostic device 211 stores the current drive rotational position of the drive motor (including the adjustment drive motor) selected as the diagnosis target portion in the second diagnosis mode.
- the drive motor moves the device from a first position (minimum position) to a second position (maximum position). maximum position) of the drive motor. That is, the current drive rotation position is the value obtained by multiplying the number of rotations of the drive motor by 360 degrees when the device moves between the first position (minimum position) and the second position (maximum position). is added.
- the drive rotational position of the drive motor can be replaced by the distance the device travels between the first position (minimum position) and the second position (maximum position).
- step S56 the diagnostic device 211 starts drive rotation (reverse rotation) of the drive motor toward the first position (minimum position).
- the diagnosis of the drive motor selected as the diagnosis target part is performed at the same time.
- the diagnosis of the drive motor selected as the diagnosis target portion may be performed individually and continuously.
- the diagnostic device 211 determines whether or not the drive rotation position of the drive motor has reached the first position (minimum position). When the diagnostic device 211 determines that the drive rotation position of the drive motor has not reached the first position (minimum position) (No), it continues the rotation of the drive motor. When the diagnostic device 211 determines that the drive rotation position of the drive motor has reached the first position (minimum position) (Yes), in step S58, the diagnostic device 211 (data collection unit 221) starts measurement, Collect the operation data of each drive motor.
- step S59 the diagnostic device 211 starts drive rotation (forward rotation) of the drive motor toward the second position (maximum position).
- step S60 the diagnostic device 211 determines whether or not the drive rotation position of the drive motor has reached the second position (maximum position). When the diagnostic device 211 determines that the drive rotation position of the drive motor has not reached the second position (maximum position) (No), it continues the rotation of the drive motor. When the diagnostic device 211 determines that the drive rotation position of the drive motor has reached the second position (maximum position) (Yes), in step S61, the diagnostic device 211 (data collection unit 221) ends the measurement, Stop collecting drive motor operation data.
- step S62 the diagnostic device 211 starts drive rotation (reverse rotation) toward the stored current drive rotation position side of the drive motor.
- the diagnostic device 211 stops the rotation (reverse rotation) of the drive motor when the drive rotation position of the drive motor reaches the stored current drive rotation position.
- step S63 the diagnostic device 211 issues an alarm for a predetermined period of time (for example, 1 second) to notify that all drive motors have stopped.
- step S64 the diagnostic device 211 turns off the switch for starting the second diagnostic mode.
- step S65 the diagnostic device 211 (second diagnostic unit 232) processes the acquired operation data of the drive motor, and in step S66, determines whether the operation data of the drive motor is good or bad. Then, in step S ⁇ b>67 , the diagnosis device 211 causes the display unit 213 to display the diagnosis result of the drive motor, stores it in the storage unit 214 , and stores it in the storage unit 202 via the network 300 .
- FIG. 12 is a time chart showing processing in the third diagnosis mode.
- the third diagnostic mode is a continuous diagnostic mode in which the first diagnostic mode and the second diagnostic mode are continuously executed, and the above-described processing of FIG. 10 and FIG. 11 are continuously executed. Description is omitted.
- all the drive motors as the second drive devices and all the adjustment drive motors start rotating in reverse at the same time.
- the driving rotation positions of all the driving motors as the second driving device reach the first position (minimum position)
- the reverse driving rotation of the driving motors is switched to the forward driving rotation, and measurement is started.
- the drive rotation positions of all the drive motors as the second drive device reach the second positions (maximum positions)
- the forward rotation drive rotation of the drive motors is switched to the reverse rotation drive rotation, and the measurement is finished.
- the driving rotations of the driving motors are stopped.
- FIG. 13 is a table showing an example of diagnostic results in the first diagnostic mode.
- the diagnostic unit 222 displays the diagnostic results of all drive motors as the first drive device on the display unit 213.
- FIG. Diagnosis results displayed by the diagnosis unit 222 on the display unit 213 include values of torque, temperature change, vibration, AE (energy increase rate), rotational position (angle), and judgment results for the type of drive motor.
- Torque (maximum value) % indicates how much torque (%) the maximum value of torque during the measurement period is with respect to 100% of the rated torque of the drive motor.
- the temperature change (maximum value) is the maximum temperature value (°C) during the measurement time.
- Vibration (maximum value) is the maximum value (mm/s) of vibration during the measurement time.
- AE energy increase rate
- the energy value is the integrated value of the measured amplitude waveform.
- a position (angle) is a rotation angle during one rotation of the drive motor, and indicates how many times the position has moved from a certain starting point.
- the paper feed drive motors 1 to 5 are the five drive motors 45 (see FIG. 2) in the paper feed section 11 .
- One vibration sensor 261 and one AE sensor 271 are provided for paper feed driving motors 1 to 5 (driving motor 45). Note that the vibration sensor 261 and the AE sensor 271 may be provided for all of the paper feed driving motors 1 to 5.
- the print cylinder drive motors 1 to 4 are the four drive motors 56 (see FIG. 3) in the printing unit 12 .
- the print cylinder drive motors 1 to 4 drive motor 56
- only the print cylinder drive motor 4 of the printing unit 12D is provided with the vibration sensor 261.
- the ink supply drive motors 1 to 4 are the four drive motors 57 (see FIG. 3) in the printing section 12 .
- the vibration sensor 261 is provided only for the ink supply drive motor 4 of the printing unit 12D.
- the vibration sensor 261 may be provided for all of the printing cylinder drive motors 1-4 and the ink supply drive motors 1-4.
- the deviation between the reference value and the current value of torque, temperature change, vibration, and AE as diagnostic items is within the preset judgment value. If there is, it is determined as normal (o), and if the deviation exceeds the determination value, it is determined as abnormal (x).
- Judgment values for torque, temperature change, vibration, and AE are set in advance through experiments or the like.
- the rotational position (angle) of the driving device may be displayed for the location where the abnormality (x) is displayed. By recording the position (angle) of the motor when the abnormality (x) occurred, for example, the angle of the cylinder at the timing when the abnormality (x) occurred can be known later.
- the location of an abnormality in the cylinder can be identified (for example, a location where a gear is chipped).
- FIG. 14 is a table showing an example of diagnostic results in the second diagnostic mode.
- the diagnostic unit 222 displays on the display unit 213 the diagnostic results of all drive motors as the second drive device and all adjustment drive motors.
- diagnosis results displayed on the display unit 213 by the diagnosis unit 222 values of torque, temperature change, vibration, current, AE, rotational position, and judgment results are displayed with respect to the type of drive motor. Since the values of torque, temperature change, vibration, AE, and rotational position are the same as in FIG. 13, description thereof will be omitted.
- the current (maximum value) is the maximum value of A (ampere) during the measurement time. Note that the current (maximum value) may be represented by a ratio (%). In this case, the maximum value of the current during the measurement period is displayed as a percentage of the rated current of the drive motor (100%). Note that the determination result may be represented by a graph or the like.
- a diagnosis system for a production machine includes a data collection unit 221 that collects operation data of a plurality of drive devices, and detects an abnormality based on the operation data of the plurality of drive devices collected by the data collection unit 221.
- a diagnostic unit 222 which detects an abnormality based on the operation data of the first driving device that drives the device that conveys the sheet among the plurality of driving devices.
- the abnormality detection processing in the first driving device that drives the device that conveys the sheet and the abnormality detection processing in the second driving device other than the first driving device are performed separately. go to Therefore, the effect of the abnormality detection process in the first driving device and the effect of the abnormality detection process in the second driving device are suppressed from adversely affecting each other. As a result, by detecting the driving state of the driving device at the optimum timing, highly accurate diagnosis can be made possible.
- the first diagnostic unit 231 and the second diagnostic unit 232 detect when the first drive device and the second drive device are driven at different times. Each abnormality is detected based on the operation data of the two drives. As a result, it is possible to suppress adverse effects caused by the abnormality detection processing in the first driving device and the abnormality detection processing in the second driving device.
- the first driving device and the second driving device are drive motors 11M, 12M, 13M, 14M, 15M, 16M, and 17M, and the motor capacity of the second driving device is less than the motor capacity of the first drive.
- the first driving device is a motor that drives the device that conveys the sheet
- the second driving device is a motor that adjusts the position of the device that supports the sheet.
- the production machine diagnostic system detects an abnormality based on the operation data of the first drive device when the first diagnostic unit 231 continuously drives the first drive device.
- the first driving device is not affected by the second driving device (for example, vibration noise)
- the diagnosis of the first driving device and the diagnosis of the second driving device can be performed efficiently.
- a diagnostic system for a production machine detects an abnormality based on operation data of the second driving device when the second diagnostic unit 232 drives the second driving device from the first position to the second position. .
- the second driving device is not affected by the first driving device (for example, vibration)
- diagnosis of the first driving device and diagnosis of the second driving device can be performed efficiently.
- a production machine diagnosis system detects an abnormality based on operation data of a plurality of first drive devices when the first diagnosis unit 231 simultaneously drives the plurality of first drive devices, and performs a second diagnosis. Abnormality is detected based on operation data of a plurality of second driving devices when the unit 232 drives the plurality of second driving devices at the same time. As a result, the diagnosis of the first driving device and the diagnosis of the second driving device can be efficiently performed.
- a diagnostic system for a production machine detects an abnormality based on operation data of a plurality of first drive devices when the first diagnostic unit 231 drives the first drive devices individually and continuously,
- the second diagnostic unit 232 detects an abnormality based on operation data of a plurality of second driving devices when the second driving devices are individually and continuously driven.
- the data collection unit 221 collects at least one of driving torque, temperature, vibration amount, AE, current value, and rotational position (moving position) as operation data of the driving device. to collect. Accordingly, it is possible to appropriately diagnose the driving device.
- a method for diagnosing a production machine comprises a step of collecting operation data of a first driving device that drives a device that conveys sheets among a plurality of driving devices; The step of detecting an abnormality based on the operation data of the first drive device, and the step of collecting the operation data of the second drive device when the second drive device other than the first drive device among the plurality of drive devices is driven. and detecting an abnormality based on the operation data of the second drive device.
- a box making machine includes a paper feeding unit 11 that supplies a sheet material for making a box, a printing unit 12 that prints on the sheet material for making a box, and ruled lines on the surface of the sheet material for making a box.
- a paper discharge unit 13 that performs processing and grooving, a folder gluer unit 15 that forms a box by folding the sheet materials for box making and joining the ends, and after stacking while counting the boxes It comprises a counter ejector unit 16 that ejects every predetermined number, and a diagnostic system 201 .
- the first driving device is a motor that drives a device that conveys the corrugated cardboard sheet (sheet material for box making) S
- the second driving device conveys the corrugated cardboard sheet (sheet material for box making) S to the counter ejector section 16. It is the motor that drives the shaft of the support or movement mechanism that aligns the folded cardboard box B.
- a remote monitoring system comprises a diagnostic system 201 and terminals (terminal devices) 203 and 204 that are accessible to the diagnostic system 201 via a network 300 .
- the drive device is described as a drive motor, but the drive device is not limited to the drive motor, and may be a fluid pressure cylinder or the like.
- the box making machine 10 is applied as the production machine, but it can also be applied to production machines other than the box making machine 10.
- Production machinery includes corrugated cardboard manufacturing equipment (corrugating machines), newspaper offset rotary presses, commercial offset rotary presses, sheet-fed offset presses, etc. Conveying liner, interlining, web, sheet-fed paper, etc. can be applied to
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Abstract
Description
図1は、本実施形態の製函機を表す概略構成図である。本実施形態では、生産機械として製函機を適用して説明する。
図2は、給紙部を表す概略図である。
図3は、印刷部を表す概略図である。
図4は、排紙部を表す概略図である。
図5は、ダイカット部を表す概略図である。
図6は、フォルダグルア部を表す概略図である。
図7は、カウンタエゼクタ部を表す概略図である。
図8は、本実施形態の製函機の診断システムを有するリモートモニタリングシステムを表す概略図である。
製函機10は、製函機本体10Aと、製函機制御装置10Bとを有する。製函機本体10Aは、給紙部11と、印刷部12と、排紙部13と、ダイカット部14と、フォルダグルア部15と、カウンタエゼクタ部16と、搬送部17とを有する。製函機制御装置10Bは、給紙部11、印刷部12、排紙部13、ダイカット部14、フォルダグルア部15、カウンタエゼクタ部16、搬送部17を制御可能である。
診断システム201は、診断装置211と、操作部212と、表示部213と、記憶部214と、通信部215とを備える。診断システム201は、製函機制御装置10Bに接続される。
記憶部202は、サーバ装置やクラウドシステムなどにより実現される。記憶部202は、診断装置211とネットワーク300を介して接続可能である。すなわち、診断装置211は、データ収集部221が収集した給紙部11と印刷部12と排紙部13とダイカット部14とフォルダグルア部15とカウンタエゼクタ部16と搬送部17の稼働データ、診断部222が診断した給紙部11と印刷部12と排紙部13とダイカット部14とフォルダグルア部15とカウンタエゼクタ部16と搬送部17の診断データなどのデータを、ネットワーク300を介して記憶部202に受信し、記憶部202がこれらのデータを記憶する。記憶部202は、図示しないが、通信部を有する。
端末203,204は、製函機製造会社のサービスマンまたは管理者または技術者、段ボール製造会社の管理者または技術者または作業者などのユーザが操作可能である。端末203,204は、ユーザが操作することで、ネットワーク300を介して記憶部202にアクセス可能である。すなわち、ユーザは、端末203,204を操作することで、記憶部202に記憶された給紙部11と印刷部12と排紙部13とダイカット部14とフォルダグルア部15とカウンタエゼクタ部16と搬送部17の稼働データや診断データなどのデータを取得可能である。
図9は、本実施形態の製函機の診断方法を表すフローチャートである。
図10は、第1診断モードの処理を表すフローチャートである。
図11は、第2診断モードの処理を表すフローチャートである。
図12は、第3診断モードの処理を表すタイムチャートである。
図13は、第1診断モードによる診断結果の一例を表す表である。
図14は、第2診断モードによる診断結果の一例を表す表である。
第1の態様に係る生産機械の診断システムは、複数の駆動装置の稼働データを収集するデータ収集部221と、データ収集部221が収集した複数の駆動装置の稼働データに基づいて異常を検出する診断部222とを備え、診断部222は、複数の駆動装置のうちのシートを搬送する機器を駆動する第1駆動装置を駆動したときの第1駆動装置の稼働データに基づいて異常を検出する第1診断部231と、複数の駆動装置のうちの第1駆動装置以外の第2駆動装置を駆動したときの第2駆動装置の稼働データに基づいて異常を検出する第2診断部232とを有する。
10A 製函機本体
10B 製函機制御装置
11 給紙部
11M 給紙部駆動モータ
12 印刷部
12A,12B,12C,12D 印刷ユニット
12M 印刷部駆動モータ
13 排紙部
13M 排紙部駆動モータ
14 ダイカット部
14M ダイカット部駆動モータ
15 フォルダグルア部
15M フォルダグルア部駆動モータ
16 カウンタエゼクタ部(カウンタエゼクタ)
16M カウンタエゼクタ部駆動モータ
17 搬送部
17M 搬送部駆動モータ
21 搬送部
22 フィードロール
31 フロントガイド
32 バックストップ
33 サイドガイド
34 給紙テーブル
35 ホイール集合体
36 サクション部
37 グレート装置
41 サクションボックス
42 ダクト
43 吸引ブロア
44 ホイール
45 駆動モータ(第1駆動装置)
46 グレート
47 駆動モータ(第1駆動装置)
48a,48b 駆動モータ(第1駆動装置)
51 印刷シリンダ
52 インキ供給ロール
53 インキ供給部
54 受ロール
55 印版
56,57 駆動モータ(第1駆動装置)
58 ガイドロール
59 搬送ベルト
60 駆動モータ(第1駆動装置)
61 第1罫線ロール
62 第2罫線ロール
63 スリッタヘッド
64 第1スロッタヘッド
65 第2スロッタヘッド
66,67 スロッタナイフ
68,69 駆動モータ
71,72 送り駒
73 アンビルシリンダ
74 ナイフシリンダ
75 刃物取付台
76 カッティングナイフ
77,78 駆動モータ
81 上搬送ベルト
82 下搬送ベルト
83,84 折り曲げガイド
85,86 ゲージローラ
87,88 成形ベルト
89,90 スケアリングバー
91 糊付装置
92,93,94,95,96,97,98,99 駆動モータ(第1駆動装置)
101 ホッパ部
102 送り出し装置
103 送風装置
114 フロントストップ
115 レッジ支持体
116 エレベータ
117 レッジ
120,124,125,127 駆動モータ(第2駆動装置)
126 プレスバー
128 下部コンベア
129 排出コンベア
131 第1送風装置
132 第2送風装置
200 リモートモニタリングシステム
201 診断システム
202 記憶部
203,204 端末(端末装置)
211 診断装置
212 操作部
213 表示部
214 記憶部
221 データ収集部
222 診断部
231 第1診断部
232 第2診断部
241,242,243,244,245,246,247 トルクセンサ
251,252,253,254,255,257 温度センサ
261,262,263,264,265,266,267 振動センサ
271,276 AEセンサ
283,284,285,286 電流センサ
291,292,293,294,295,296,297 位置センサ
300 ネットワーク
S 段ボールシート(製函用シート材)
B 段ボール箱(シート、箱体)
T スタック(シート)
Claims (13)
- 複数の駆動装置の稼働データを収集するデータ収集部と、
前記データ収集部が収集した前記複数の駆動装置の稼働データに基づいて異常を検出する診断部と、
を備え、
前記診断部は、
前記複数の駆動装置のうちのシートを搬送する機器を駆動する第1駆動装置を駆動したときの前記第1駆動装置の稼働データに基づいて異常を検出する第1診断部と、
前記複数の駆動装置のうちの前記第1駆動装置以外の第2駆動装置を駆動したときの前記第2駆動装置の稼働データに基づいて異常を検出する第2診断部と、
を有する、
生産機械の診断システム。 - 前記第1診断部と前記第2診断部は、前記第1駆動装置と前記第2駆動装置が異なる時期に駆動したときに、前記第1駆動装置と前記第2駆動装置の稼働データに基づいてそれぞれの異常を検出する、
請求項1に記載の生産機械の診断システム。 - 前記第1駆動装置および前記第2駆動装置は、モータであり、前記第2駆動装置のモータ容量は、前記第1駆動装置のモータ容量より小さい、
請求項1または請求項2に記載の生産機械の診断システム。 - 前記第1駆動装置は、前記シートを搬送する機器を駆動するモータであり、前記第2駆動装置は、前記シートを支持する機器の位置を調整するモータである、
請求項1から請求項3のいずれか一項に記載の生産機械の診断システム。 - 前記第1診断部は、前記第1駆動装置を連続駆動したときの前記第1駆動装置の稼働データに基づいて異常を検出する、
請求項1から請求項4のいずれか一項に記載の生産機械の診断システム。 - 前記第2診断部は、前記第2駆動装置を第1位置から第2位置に駆動したときの前記第2駆動装置の稼働データに基づいて異常を検出する、
請求項1から請求項5のいずれか一項に記載の生産機械の診断システム。 - 前記第1診断部は、前記第1駆動装置を複数同時に駆動したときの複数の前記第1駆動装置の稼働データに基づいて異常を検出し、
前記第2診断部は、前記第2駆動装置を複数同時に駆動したときの複数の前記第2駆動装置の稼働データに基づいて異常を検出する、
請求項1から請求項6のいずれか一項に記載の生産機械の診断システム。 - 前記第1診断部は、前記第1駆動装置を個別に連続して駆動したときの複数の前記第1駆動装置の稼働データに基づいて異常を検出し、
前記第2診断部は、前記第2駆動装置を個別に連続して駆動したときの複数の前記第2駆動装置の稼働データに基づいて異常を検出する、
請求項1から請求項6のいずれか一項に記載の生産機械の診断システム。 - 前記データ収集部は、前記駆動装置の稼働データとして、駆動トルク、温度、振動量、AE、電流値、移動位置の少なくともいずれか一つを収集する、
請求項1から請求項8のいずれか一項に記載の生産機械の診断システム。 - 複数の駆動装置のうちのシートを搬送する機器を駆動する第1駆動装置を駆動したときの前記第1駆動装置の稼働データを収集するステップと、
前記第1駆動装置の稼働データに基づいて異常を検出するステップと、
前記複数の駆動装置のうちの前記第1駆動装置以外の第2駆動装置を駆動したときの前記第2駆動装置の稼働データを収集するステップと、
前記第2駆動装置の稼働データに基づいて異常を検出するステップと、
を有する、
生産機械の診断方法。 - 製函用シート材を供給する給紙部と、
前記製函用シート材に印刷を行う印刷部と、
前記製函用シート材に対して表面に罫線加工を行うと共に溝切り加工を行う排紙部と、
前記製函用シート材を折り畳んで端部を接合することで箱体を形成するフォルダグルア部と、
前記箱体を計数しながら積み上げた後に所定数ごとに排出するカウンタエゼクタ部と、
請求項1から請求項9のいずれか一項に記載の生産機械の診断システムと、
を備える製函機。 - 前記第1駆動装置は、前記製函用シート材を搬送する機器を駆動するモータであり、前記第2駆動装置は、前記カウンタエゼクタ部に搬送された前記箱体を整合する支持体または移動機構の軸を駆動するモータである、
請求項11に記載の製函機。 - 請求項1から請求項9のいずれか一項に記載の生産機械の診断システムと、
ネットワークを介して前記生産機械の診断システムに対してアクセス可能である端末装置と、
を備えるリモートモニタリングシステム。
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JP2006011146A (ja) * | 2004-06-28 | 2006-01-12 | Fuji Xerox Co Ltd | 画像形成装置、並びに画像形成装置の清掃方法および清掃装置 |
JP2011103049A (ja) * | 2009-11-10 | 2011-05-26 | Mitsubishi Heavy Ind Ltd | 紙工機械の点検システム |
JP5904663B2 (ja) | 2012-03-27 | 2016-04-13 | 株式会社Isowa | 段ボール機械の自動点検装置、および自動点検機能を有する段ボール機械 |
WO2019064398A1 (ja) * | 2017-09-27 | 2019-04-04 | 三菱重工機械システム株式会社 | 紙工機械における準備作業時間の分析装置及び方法 |
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JP2006011146A (ja) * | 2004-06-28 | 2006-01-12 | Fuji Xerox Co Ltd | 画像形成装置、並びに画像形成装置の清掃方法および清掃装置 |
JP2011103049A (ja) * | 2009-11-10 | 2011-05-26 | Mitsubishi Heavy Ind Ltd | 紙工機械の点検システム |
JP5904663B2 (ja) | 2012-03-27 | 2016-04-13 | 株式会社Isowa | 段ボール機械の自動点検装置、および自動点検機能を有する段ボール機械 |
WO2019064398A1 (ja) * | 2017-09-27 | 2019-04-04 | 三菱重工機械システム株式会社 | 紙工機械における準備作業時間の分析装置及び方法 |
JP2020164221A (ja) * | 2019-03-29 | 2020-10-08 | 株式会社川島製作所 | 包装関連装置の警報表示システム |
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