WO2023021819A1 - シート加工装置、切断刃損耗判定装置、切断刃損耗判定方法およびプログラム - Google Patents
シート加工装置、切断刃損耗判定装置、切断刃損耗判定方法およびプログラム Download PDFInfo
- Publication number
- WO2023021819A1 WO2023021819A1 PCT/JP2022/023662 JP2022023662W WO2023021819A1 WO 2023021819 A1 WO2023021819 A1 WO 2023021819A1 JP 2022023662 W JP2022023662 W JP 2022023662W WO 2023021819 A1 WO2023021819 A1 WO 2023021819A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- cut
- cutting blade
- cutting
- cut surface
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 337
- 238000012545 processing Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 37
- 238000000605 extraction Methods 0.000 claims abstract description 37
- 230000033001 locomotion Effects 0.000 claims abstract description 24
- 238000003384 imaging method Methods 0.000 claims abstract description 21
- 239000000284 extract Substances 0.000 claims abstract description 17
- 230000003028 elevating effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000007723 transport mechanism Effects 0.000 claims description 7
- 238000013519 translation Methods 0.000 claims description 3
- 230000000284 resting effect Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/22—Safety devices specially adapted for cutting machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/005—Computer numerical control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/007—Control means comprising cameras, vision or image processing systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
- B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D2005/002—Performing a pattern matching operation
Definitions
- the present invention relates to a sheet processing apparatus equipped with a cutting blade capable of forming a cut surface penetrating from the front surface to the back surface of a sheet.
- Sheets are cut and creased, and the processed sheets are assembled and used as packaging boxes and displays.
- a method of cutting a sheet a method using a punching die and a method using a cutting plotter are generally used.
- a so-called flatbed autocutter is known, which is a flatbed plotter provided with a cutter. Such an autocutter is configured to drive a cutting blade according to set data to cut a sheet placed on a cutting table.
- the cutting blade that cuts the sheet gradually wears out due to repeated cutting. Therefore, the cutting blade is replaced by estimating wear based on the accumulated cut length.
- the conveying distance of the belt-like web W that is continuously conveyed is detected, and the detected conveying distance of the web is written in the IC tag.
- the controller compares the limit transport distance stored in the IC tag and the actual cumulative transport distance of the web. If the actual cumulative conveying distance of the web is greater than the limit conveying distance, the controller issues a command to stop the slitter or issue a warning to the operator.
- the cutting of the sheet-like material is performed in a state in which the inclined cutting blade is pierced into the sheet-like material from above, at an operating position that is a part of the edge of the blade.
- the control unit of the cutting machine monitors and stores the cutting amount such as the cutting distance, and when the cutting amount at the operating position during use exceeds the limit value set as the life, the next operating position is set. to control.
- the cutting blade of the sheet processing device may wear out before the cumulative cutting distance reaches the limit value. A sheet processed without noticing wear of the cutting blade becomes a defective product. If the limit value is made smaller, the rate of occurrence of defects will be reduced, but the cutting blade will be wasted, the number of times the cutting blade will be replaced will increase, and the operating rate will decrease.
- the tip of the cutting blade may be chipped, the blade may be chipped in the middle of the blade, or the blade may become dull, making it difficult to judge the wear and tear of the blade with only one mode.
- the present invention has been made in view of the above circumstances, and an object of the present invention is to reliably detect wear of a cutting blade in a sheet processing apparatus.
- a sheet processing apparatus comprises a table for holding a sheet placed on the front surface, and a cut surface penetrating from the front surface to the back surface of the sheet held on the front surface of the table.
- an elevating mechanism capable of moving the cutting blade in a direction intersecting the surface of the table between a position where the cutting blade contacts the table and a position where the cutting blade is separated from the sheet placed on the table;
- a parallel movement mechanism that can move parallel to the surface of the table while in contact with the table, and a transport mechanism that can place the sheet on the table and separate it from the table and move the sheet while separating it from the table.
- a cutting control unit that operates the moving mechanism and the lifting mechanism to command the sheet placed on the table to form a cut surface with a cutting blade, and the conveying mechanism moves the sheet after the command to form the cut surface from the table.
- An image capturing device that captures an image of the back surface of the sheet in a separated state, and an imaging device that captures an image of the back surface of the sheet for which the formation of the cut surface has been commanded while the sheet is separated from the table after the formation of the cut surface has been commanded.
- a cut trace extraction unit that acquires an image captured by an imaging device and extracts a cut trace, which is a line that intersects the formed cut surface and the back surface of the sheet, from the image, and a cut surface assumed to be formed on the sheet by the cutting blade.
- a determination unit that determines that the cutting blade instructed to form the cut surface is worn when the assumed line that intersects the back surface of the sheet does not match the cut trace extracted by the cut trace extraction unit; Prepare.
- the cutting control unit commands the formation of a cut surface in the margin of the sheet separately from the cut surface for forming the processed product cut out from the sheet, and the cut trace extraction unit is commanded to form the cut surface in the margin.
- An image of the back surface of the sheet in the portion where the sheet is cut is captured by an imaging device, and a cut trace of the cut surface formed in the margin is extracted from the image. If the line does not match the trace of the cut surface formed in the margin, it is determined that the cutting blade instructed to form the cut surface is worn.
- the sheet held on the surface of the table is provided with a plurality of cutting blades capable of forming cut surfaces that penetrate from the front surface to the back surface independently of each other, and the cutting control unit controls each of the cutting blades to: The formation of different cut planes is commanded, the cut trace extraction unit extracts the cut traces of the cut planes formed by the cutting blades for each of the cutting blades from the image, and the determination unit, for each of the cutting blades, When the assumed line of the cut surface assumed to be formed by the cutting blade does not match the cut trace of the formed cut surface, it is determined that the cutting blade instructed to form the cut surface is worn. .
- it further comprises a plurality of parallel movement mechanisms and a plurality of elevating mechanisms capable of moving the cutting blades independently of each other, and the cutting control unit determines that one of the cutting blades is worn out by the determination unit. If the sheet to be processed next is not determined to be worn, the cut surface that was scheduled to be formed by the cutting blade determined to be worn is not determined to be worn. It is formed by a cutting blade instead.
- a cutting blade wear determination apparatus provides a cutting blade capable of forming a cut surface penetrating from the front surface to the back surface of a sheet placed on the surface of a table and held by the table.
- a lifting mechanism that can move in a direction intersecting the surface of the table between a position where the cutting blade contacts the table and a position where it separates from the sheet placed on the table;
- a cutting control unit that operates a translation mechanism capable of moving parallel to the surface to command formation of a cut surface on the sheet held by the table; After the sheet is separated from the table by a conveying mechanism that can move in a state separated from the table, the back surface of the sheet for which the formation of the cut surface has been instructed is captured by the imaging device.
- a cut trace extraction unit that acquires a captured image and extracts a cut trace, which is a line that intersects the formed cut surface and the back surface of the sheet, from the image; a judgment unit for judging that the cutting blade instructed to form the cut surface is worn when the imaginary line which is the intersecting line and the cut trace extracted by the cut trace extracting unit do not match.
- a cutting blade wear determination method is a cutting blade wear determination method performed by a cutting blade wear determination apparatus, wherein the surface of a sheet placed on the surface of a table and held by the table is measured from the surface of the sheet.
- an elevating mechanism capable of moving a cutting blade capable of forming a cut surface penetrating the back surface in a direction intersecting the surface of the table between a position in contact with the table and a position away from the sheet placed on the table;
- a cutting control step of commanding a sheet held by the table to form a cut surface by operating a translation mechanism capable of moving in parallel with the surface of the table while the cutting blade is in contact with the table;
- a conveying mechanism that is separated from the placement and the table and can move in a state in which the sheet is separated from the table, the formation of the cut surface is commanded in a state in which the sheet is separated from the table.
- a cutting trace extraction step of acquiring an image of the back surface of the sheet in the cut portion by an imaging device and extracting from the image a cutting trace, which is a line where the formed cut surface and the back surface of the sheet intersect, and formed on the sheet by a cutting blade
- the cutting blade instructed to form the cut surface is worn.
- a program according to a fourth aspect of the present invention causes a computer to bring a cutting blade capable of forming a cut surface penetrating from the front surface to the back surface of a sheet placed on the surface of a table and held by the table into contact with the table.
- an elevating mechanism capable of moving in a direction intersecting the surface of the table between a position where the sheet is placed on the table and a position where the cutting blade is separated from the sheet placed on the table;
- the movable conveying mechanism separates the sheet after the formation of the cut surface has been instructed from the table, an image of the back surface of the sheet for which the formation of the cut surface has been instructed is obtained by an imaging device.
- a cut trace which is an intersection line between the back surface of the sheet and the cut surface, is extracted from the image of the back surface of the sheet on which the cut surface is formed by the cutting blade, and it is assumed that the commanded cut surface is the line that intersects the back surface of the sheet.
- the line and the extracted cutting marks do not match, it is determined that the cutting blade is worn, so the wear of the cutting blade can be reliably detected.
- FIG. 1 is a perspective view of a sheet processing apparatus according to Embodiment 1 of the present invention
- Configuration diagram of a cutting mechanism according to Embodiment 1 1 is a block diagram showing a configuration example of a cutting blade wear determination device according to Embodiment 1.
- FIG. Diagram showing an example of sheet processing Flowchart showing an example of cutting blade wear determination operation according to Embodiment 1
- Schematic perspective view of a sheet processing apparatus according to Embodiment 2 of the present invention A diagram showing an example of a cut surface according to the second embodiment.
- Flowchart showing an example of cutting blade wear determination operation according to Embodiment 2 A block diagram showing an example of a hardware configuration of a cutting blade wear determination device according to an embodiment.
- FIG. 1 is a perspective view of a sheet processing apparatus according to Embodiment 1 of the present invention.
- the sheet processing apparatus 1 includes a processing stage 2 for forming a cut surface on a sheet placed on a table 9, and an input/output stage 3 for placing the sheet on the table 9 and conveying the processed sheet away from the table 9.
- a processing stage 2 for forming a cut surface on a sheet placed on a table 9
- an input/output stage 3 for placing the sheet on the table 9 and conveying the processed sheet away from the table 9.
- the direction in which the processing stage 2 and the loading/unloading stage 3 are arranged is defined as the X-axis
- the direction parallel to the surface of the table 9 and orthogonal to the X-axis is defined as the Y-axis.
- a direction orthogonal to the X-axis and the Y-axis, that is, a direction orthogonal to the surface of the table 9 is defined as the Z-axis.
- the X-axis direction is also referred to as front and back, the Y-axis direction as left and right, and the Z-axis direction as up and down.
- FIG. 1 shows a state in which the table 9 is positioned on the input/output stage 3.
- the table 9 is supported by rails or the like so as to be slidable in the X-axis direction, and is reciprocated using a belt and pulley, a chain and chain wheel, a rack and pinion, an air cylinder, or a ball screw.
- the table 9 has fine holes formed in its surface, and sucks and holds the sheet placed on its surface by sucking air through the holes with a suction mechanism (not shown).
- the cutting mechanism 11 includes an elevating mechanism 12 that holds the cutting blade 10 and moves in the Z-axis direction, a lateral movement mechanism 13 that moves the elevating mechanism 12 in the Y-axis direction, and a lateral movement mechanism 13 that moves in the X-axis direction.
- a forward/backward moving mechanism 14 is provided.
- the lateral movement mechanism 13 and the longitudinal movement mechanism 14 constitute a parallel movement mechanism that moves the cutting blade 10 parallel to the surface of the table 9 .
- the lifting mechanism 12 can move the cutting blade 10 in a direction intersecting the surface of the table 9 between a position where the cutting blade 10 contacts the table 9 and a position where the cutting blade 10 is separated from the sheet placed on the table 9 .
- the laterally moving mechanism 13 and the longitudinally moving mechanism 14 cut parallel to the sheet placed on the table 9 at either the position where the cutting blade 10 contacts the table 9 or the position separated from the sheet placed on the table 9. Blade 10 can be moved.
- a transport mechanism 15 is arranged on the input/output stage 3 .
- the conveying mechanism 15 includes a holding portion 16 that sucks and holds a sheet, an elevating portion 17 that moves the holding portion 16 in the Z-axis direction, and a moving portion 18 that moves the holding portion 16 and the elevating portion 17 in the X-axis direction.
- the holding unit 16 has a suction plate on which a plurality of pipes for sucking air are arranged, and can hold a sheet by suction on the lower surface of the suction plate.
- the lifting section 17 supports the holding section 16 horizontally so as to be movable in the Z-axis direction, and can move in the Z-axis direction while the sheet is held by the holding section 16 by suction.
- the moving unit 18 includes a frame 19 that supports the lifting unit 17 and rails 20 that support the frame 19 so as to be movable in the X-axis direction, and separates the sheet from the table 9 while the sheet is held by suction with the holding unit 16 . In this state, the holding portion 16 and the lifting portion 17 can be moved in the X-axis direction.
- the conveying mechanism 15 places the sheet sucked and held by the holding portion 16 on the table 9, and at the same time as the holding portion 16 stops sucking, the table 9 starts to suck and the sheet is held on the table 9. , separates the holding portion 16 from the seat.
- the holding part 16 is brought into contact with the sheet, the suction of the table 9 is stopped and at the same time the suction of the holding part 16 is started, the sheet is held by the holding part 16, and the sheet is separated from the table 9.
- the holding part 16 and the lifting part 17 are each movably supported by rails or linear shafts, and moved using belts and pulleys, chains and chain wheels, racks and pinions, air cylinders, ball screws, or the like.
- the transport mechanism 15 can move the sheet between the table 9 positioned on the input/output stage 3 and the outside of the input/output stage 3 in the X-axis direction, that is, the side of the input/output stage 3 opposite to the processing stage 2 .
- Outside the input/output stage 3 in the X-axis direction for example, a table for unprocessed sheets and a table for processed sheets (not shown) that reciprocate in the Y-axis direction are arranged.
- the conveying mechanism 15 sucks and holds one sheet from the unprocessed sheet platform, places it on the table 9, and moves the sheet processed on the processing stage 2 from the table 9 to the processed sheet platform.
- An imaging device is supported on the input/output stage 3 so as to be movable in the Y-axis direction and to be stopped at an arbitrary position by a support portion 22 at the end in the X-axis direction that does not interfere with the holding portion 16 that moves up and down at the position of the table 9.
- a camera 21 is provided as. The camera 21 is supported so as to image the sheet held by the holding portion 16 from below. By moving the camera 21 to an arbitrary position in the Y-axis direction and moving the holding portion 16 to an arbitrary position in the X-axis direction, an arbitrary position on the back surface of the sheet can be imaged.
- the sheet processing apparatus 1 includes a control device 25, and the control device 25 controls the processing stage 2 and the input/output stage 3.
- the control device 25 cooperatively operates the cutting mechanism 11 of the processing stage 2, the transport mechanism 15 of the input/output stage 3, and the table 9 to form a cut surface on the sheet.
- FIG. 2 is a configuration diagram of the cutting mechanism according to Embodiment 1.
- FIG. FIG. 2 is a cross-sectional view of the lifting mechanism 12 and the lateral movement mechanism 13 of the cutting mechanism 11 as seen in the Y-axis direction.
- the forward/backward moving mechanism 14 is not shown in FIG.
- the cutting mechanism 11 includes a cutting blade 10, a cutter holder 30, a cutter shaft 40, a sleeve 50, a pulley 51, a detection plate 52, a sensor 53, a housing 55, an eccentric cam 60, a compression spring 65, a vibration motor 110, and an angle control mechanism.
- An adjustment motor 120, a pulley 121, and a timing belt 122 are provided.
- the cutting blade 10 is detachably attached to the cutter holder 30.
- the cutter holder 30 is fixed to the cutter shaft 40 .
- the cutter shaft 40 is held in the sleeve 50 so as to be movable in the central axis direction (Z-axis direction) of the groove with a predetermined stroke.
- the sleeve 50 is held within a housing 55 so as to be rotatable around the central axis of the cutter shaft 40 .
- a pulley 51 is coaxially fixed to the sleeve 50 .
- the pulley 51 is connected by a timing belt 122 to a pulley 121 coaxially fixed to the rotating shaft of the angle adjustment motor 120 .
- the detection plate 52 is fixed to the pulley 51 and the sensor 53 detects the detection plate 52 .
- the rotation of the angle adjustment motor 120 causes the pulley 121 to rotate, and the rotation of the pulley 121 causes the pulley 51 and the sleeve 50 fixed to the pulley 51 to rotate via the timing belt 122 .
- the cutter shaft 40 also rotates within the sleeve 50, and the cutter blade 10 held by the cutter holder 30 rotates around the Z axis.
- the amount of rotation of the cutting blade 10 can be measured by detecting the detection plate 52 with the sensor 53 .
- a vibration motor 110 is fixed to the top of the housing 55 .
- An eccentric cam 60 is fixed to the rotating shaft of the vibration motor 110 .
- the eccentric cam 60 is arranged above the cutter shaft 40 .
- the cutter shaft 40 is biased upward by a compression spring 65 so that its upper end abuts against the eccentric cam 60 .
- the housing 55 is fixed to the base 75.
- a slider 150 a is fixed to the base 75 .
- the slider 150a extends in the Z-axis direction and is slidably held by a rail 150b fixed to the frame 151.
- a rack 80 extending in the Z-axis direction is fixed to the base 75 .
- a pinion 70 meshes with the rack 80 .
- the pinion 70 is driven by a vertically moving motor 130 fixed to the frame 151 .
- the pinion 70 rotates and moves the rack 80 in the Z-axis direction.
- the base 75 also moves in the Z-axis direction, causing the cutting blade 10 held by the base 75 to move in the Z-axis direction.
- the frame 151 is supported by the movable beam 1200 so as to be movable in the Y-axis direction and stopable at any position.
- a slider 160 a is fixed to the frame 151
- a rail 160 b extending in the Y-axis direction is fixed to the movable beam 1200 .
- Slider 160a is slidably attached to rail 160b.
- a rack 100 is fixed to the movable beam 1200 .
- a pinion 90 meshing with the rack 100 is connected to the rotation shaft of the lateral movement motor 140 fixed to the frame 151 .
- the pinion 90 rotates and the frame 151 moves along the movable beam 1200 in the Y-axis direction.
- the movable beam 1200 is supported so as to be movable in the X-axis direction and to be stopped at any position by the forward/backward moving mechanism 14 shown in FIG.
- the control device 25 moves the cutting blade 10 to the starting point of the cut surface to be formed on the sheet, and directs the cutting blade 10 parallel to the extending direction of the cut surface. Then, the cutting blade 10 is lowered to a position contacting the table 9 to penetrate the sheet, and the cutting blade 10 is moved in the extending direction of the cutting surface to form a cut surface on the sheet.
- a vibration motor may be driven to vibrate the cutting blade 10 in the Z-axis direction.
- the blade surface of the cutting blade 10 is parallel to the X-axis, and the movable beam 1200 is moved in the X-axis direction while the position of the cutting blade 10 in the Y-axis direction is fixed to form a cut surface extending in the X-axis direction.
- a cutting surface extending in the Y-axis direction can be formed.
- FIG. 3 is a block diagram showing a configuration example of the cutting blade wear determination device according to the first embodiment.
- the cutting blade wear determination device 31 includes a cut surface information storage unit 32 , a cut control unit 33 , a cut trace extraction unit 34 and a determination unit 35 .
- the cutting blade wear determination device 31 is connected to the cutting mechanism 11 of the processing stage 2 , the transport mechanism 15 of the entry/exit stage 3 , the drive mechanism 36 that drives the table 9 and the camera 21 , and the camera 21 .
- the cut surface information storage unit 32 stores cut surface information including the position and shape of the cut surface to be formed on the sheet and the correspondence between the cut surface and the cutting blade 10 forming the cut surface.
- the cutting control unit 33 controls the drive mechanism 36 in accordance with the cut surface information stored in the cut surface information storage unit 32 to form a cut surface on the sheet.
- the cutting control unit 33 separates the sheet for which the formation of the cut surface has been instructed from the table 9 by the conveying mechanism 15, and cuts the portion of the sheet for which the formation of the cut surface for which the cut marks are to be extracted has been instructed.
- the camera 21 is used to image the rear surface of the .
- the cut surface from which cut traces are to be extracted is stored in the cut surface information storage unit 32 .
- the cut trace extraction unit 34 acquires an image of the back surface of the sheet at the portion for which formation of the target cut surface has been instructed, and extracts the cut trace, which is the line where the formed cut surface and the back surface of the sheet intersect, from the image. . Since the position of the cut surface and the range of the image are determined, the cut mark extracting section 34 can easily extract the cut mark.
- the determining unit 35 extracts an imaginary line, which is a line where the cut surface assumed to be formed on the sheet by the cutting blade 10 and the back surface of the sheet, intersects the back surface of the sheet, and the cut surface extracted by the cut trace extracting unit 34. Compare cut marks. If the imaginary line and the cut trace match, the determination unit 35 determines that the cutting blade 10 instructed to form the cut surface is not worn. If the imaginary line and the cut trace do not match, the determination unit 35 determines that the cutting blade 10 instructed to form the cut surface is worn. For example, when the cut trace is short with respect to the assumed line, the middle is interrupted, or there is no cut trace at all, it is determined that the cutting blade 10 is worn. Alternatively, if the assumed line is a single line, but the cut marks are doubled or there is a wide portion, it is determined that the cutting blade 10 is worn.
- FIG. 4 is a diagram showing an example of sheet processing.
- the assumed line of the cut surface C is indicated by a solid line, and the crease line for folding the sheet W is indicated by a broken line.
- the ruling mechanism is omitted in FIG. 1, the sheet processing apparatus 1 may include the ruling mechanism.
- the cut surface C is drawn as if it were continuous, but in reality, there are some uncut portions left, and the processed product cut out from the sheet W and the margin of the sheet W are different.
- a cut surface C is formed so as not to separate in the sheet processing apparatus 1 .
- the sheet processing apparatus 1 has two cutting mechanisms 11, for example, assuming that the left-right direction in FIG. A cut surface of the left half is formed by a cutting mechanism 11 far from the input/output stage 3. - ⁇ The target cut surface for extracting the cut marks is selected from those formed by the respective cutting blades 10 and set.
- the cutting control unit 33 causes the camera 21 to image the back surface of the sheet at the set target cut surface portion.
- the cut trace extraction unit 34 acquires images of the back surface of the sheet at the target cut surface portion and extracts the cut trace.
- FIG. 5 is a flow chart showing an example of the cutting blade wear determination operation according to the first embodiment.
- the cutting blade wear determination is started at the timing of determining whether or not the cutting blade 10 is worn.
- the cutting blade wear determination may be activated for each sheet, or may be activated for each bundle of sheets to be processed. Alternatively, it may be activated for each predetermined number of sheets, or may be activated for each random number of sheets. If the cutting blade wear determination is not performed, only the cut surface is formed without imaging the back surface of the sheet, extracting the cut trace, and comparing the assumed line with the cut trace.
- the cutting control unit 33 commands formation of a cut plane including a cut plane from which cut marks are to be extracted (step S10). After forming the cut surface on the sheet, the cutting control unit 33 captures an image of the back surface of the sheet at the portion for which formation of the target cut surface has been instructed (step S11). The cut trace extraction unit 34 acquires an image of the back surface of the sheet at the portion for which formation of the target cut surface has been instructed, and extracts the cut trace from the image (step S12).
- the determination unit 35 compares an imaginary line, which is a line where the cut surface assumed to be formed on the sheet by the cutting blade 10, intersects the back surface of the sheet with the cut marks extracted by the cut mark extraction unit 34 (step S13). If the imaginary line and the cut trace do not match (step S14; N), it is determined that the cutting blade 10 that formed the cut surface where the imaginary line and the cut trace do not match is worn (step S15). is worn out. Additionally, a stop command or warning to the operator may be issued. If the imaginary line and the cutting trace match (step S14; Y), the process is terminated without judging that the cutting blade is worn.
- an imaginary line which is a line where the cut surface assumed to be formed on the sheet by the cutting blade 10
- the cut mark which is the line of intersection between the back surface of the sheet and the cut surface
- the cut mark which is the line of intersection between the back surface of the sheet and the cut surface
- the assumed line which is the line where the commanded cutting surface intersects the back surface of the sheet
- the sheet processing apparatus 1 When the sheet processing apparatus 1 is equipped with two or more cutting blades 10, it is not necessary to determine the wear and tear of all the cutting blades 10 for one sheet. Also, the wear determination may be performed at different cycles for each cutting blade 10 .
- FIG. 6 is a schematic perspective view of a sheet processing apparatus according to Embodiment 2 of the present invention.
- a sheet processing apparatus 1 according to Embodiment 2 includes three processing stages 4, 5, 6 arranged in series and two input/output stages 7, 8 arranged before and after the processing stages.
- the cutting mechanism 11 of the processing stage and the holding portion 16 and moving portion 18 of the transfer mechanism 15 are omitted.
- the third processing stage 6 and the subsequent input/output stage 8 have the same configurations as the processing stage 2 and input/output stage 3 of the first embodiment.
- the table 9 does not normally move from the subsequent input/output stage 8 to the third processing stage 6 .
- the table 9 sequentially moves from the input/output stage 7 of the front stage to the input/output stage 8 of the rear stage through the first processing stage 4, the second processing stage 5, and the third processing stage 6. After the processed sheet is separated from the table 9 in the subsequent loading/unloading stage 8 , the table 9 is transferred to the preceding loading/unloading stage 7 through another path, for example, under each processing stage.
- each of the first processing stage 4 and the second processing stage 5 has a plurality of cutting mechanisms 11 and can simultaneously form a plurality of cut surfaces.
- the first processing stage 4 forms a cut surface extending in the X-axis direction
- the second processing stage 5 forms a cut surface extending in the Y-axis direction.
- oblique and curved cut surfaces are formed.
- the first processing stage 4, the second processing stage 5 and the third processing stage 6 simultaneously form cut surfaces on the sheet in parallel.
- the table 9 moves to the entry/exit stage 8 in the latter stage.
- a camera 21 is provided on the entry/exit stage 8 in the rear stage, as in the first embodiment.
- the back surface of the sheet is imaged by the camera 21 .
- the back surface of the portion of the sheet for which the formation of the cut surface has been instructed is cut by the subsequent input/output stage 8. An image is captured by the camera 21 .
- the cutting trace extraction unit 34 extracts the cutting traces of the cut surface formed by the cutting blade 10 for each cutting blade 10 from the image. For each of the cutting blades 10, the determination unit 35 determines that the cut surface is formed when the assumed line of the cut surface assumed to be formed by the cutting blade 10 does not match the cut trace of the formed cut surface. It is determined that the instructed cutting blade 10 is worn.
- FIG. 7 is a diagram showing an example of a cut surface according to Embodiment 2.
- FIG. 7 is a diagram showing an example of a cut surface according to Embodiment 2.
- cut planes P, Q, and R are formed in the margins of the sheet W in addition to the cut plane C forming the processed product cut out from the sheet W.
- the first processing stage 4 has eight cutting blades 10, and each cutting blade 10 forms a cut plane P extending in the X-axis direction in the margin of the sheet W.
- the second processing stage 5 has eight cutting blades 10, and each cutting blade 10 forms a cut surface Q extending in the Y-axis direction in the margin of the sheet W.
- the third processing stage 6 is provided with two cutting blades 10, and each cutting blade 10 forms an oblique cut surface R in the margin of the sheet W.
- FIG. 10 is provided with two cutting blades 10, and each cutting blade 10 forms an oblique cut surface R in the margin of the sheet W.
- the cut trace extraction unit 34 acquires an image of the back side of the sheet where the formation of the blank cut surface has been commanded by the camera 21, and extracts the cut trace of the cut surface formed in the blank from the image.
- the sheet is stopped at a position where the cut surface P formed in the margin by the first processing stage 4 is directly above the camera 21, and the camera 21 is moved outward from the center of the sheet.
- the back surface of the sheet is imaged.
- the camera 21 is stopped at the positions of the cutting planes Q and R formed by the second processing stage 5 and the third processing stage 6 in the margin, and the back surface of the sheet is moved while the sheet is moved by the conveying mechanism 15. is imaged.
- the cut trace extraction unit 34 extracts the cut traces of the cut planes P, Q, and R formed in the margins from the plurality of obtained images.
- the number of images to be captured does not need to be the same as the number of cutting blades 10, and one image may be captured so as to include a plurality of cut marks. Since the position of the cut surface of the margin and the range shown in the image are known, the cut trace extraction unit 34 can easily extract the cut trace. When the assumed line of the cut surface assumed to be formed in the margin and the cut trace of the cut surface formed in the margin do not match, the determination unit 35 determines that the cutting blade 10 instructed to form the cut surface is Determined to be worn.
- the cutting control unit 33 determines that the sheet to be processed next is worn. A cut surface scheduled to be formed by the cutting blade 10 is replaced by one of the plurality of cutting blades 10 that has not been determined to be worn. In this way, processing of the sheets can be continued at least until the bundle of unprocessed sheets set on the input/output stage 7 in the previous stage is exhausted.
- any one of the remaining seven cutting blades 10 is used instead.
- the number of cutting blades 10 to be substituted is not limited to one, and a plurality of cutting blades 10 may be substituted.
- the alternative cutting blade 10 is not limited to the cutting blade 10 of the processing stage to which the worn cutting blade 10 belongs.
- a cut surface intended to be formed by the worn cutting blade 10 of the first processing stage 4 may be formed by the cutting blade 10 of the third processing stage 6 .
- the cutting blade 10 that replaces the worn cutting blade 10 can be determined so that the sheet processing time is minimized. For example, the time from inputting the sheet at the preceding loading/unloading stage 7 to forming all cut surfaces of the sheet and carrying out the sheet at the subsequent loading/unloading stage 8 is minimized.
- the cut surface formed by each of the cutting blades 10 can be rearranged and substituted so that the throughput of the processing apparatus 1 can be maximized.
- the determination unit 35 determines that one of the cutting blades 10 is worn, the determination unit 35 or the cutting control unit 33 determines that the cutting blade 10 stored in the cut surface information storage unit 32 is worn. For the cutting planes associated with the cutting blades 10 that have been formed, the cutting blades 10 that form them are rewritten with the cutting blades 10 that substitute for them.
- the cutting control unit 33 forms a cut surface with the cutting blades 10 that have not been determined to be worn according to the rewritten association between the cut surfaces and the cutting blades 10 from the sheet to be processed next.
- the cutting control unit 33 does not form a cut surface corresponding to the cutting blade 10 determined to be worn as a cut surface for wear determination formed in the margin of the sheet.
- sheet processing can be continued without interrupting the processing of the lot, and the cutting blades 10 can be replaced at an appropriate timing. can be done.
- the association between the cutting plane and the cutting blade 10 forming the cut plane stored in the cutting plane information storage part 32 is returned to the association when the cutting blade 10 was normal.
- FIG. 8 is a flowchart showing an example of the cutting blade wear determination operation according to the second embodiment.
- the cutting control unit 33 commands the formation of a cut surface for forming a workpiece to be cut out from the sheet and a cut surface of the margin of the sheet for determining wear of the cutting blade 10 (step S20). After forming the cut surface on the sheet, the cutting control unit 33 captures an image of the back surface of the sheet at the portion for which the formation of the cut surface of the margin has been instructed (step S21).
- the cut trace extraction unit 34 acquires an image of the back surface of the sheet in the portion for which the formation of the blank cut surface has been instructed, captured by the camera 21, and extracts the cut trace from the image (step S22).
- the determination unit 35 selects one cutting blade 10 from a plurality of cutting blades 10 (step S23), and determines the imaginary line of the cut surface assumed to be formed in the margin by the cutting blade 10 and the margin by the cutting blade 10. are compared with the cut traces of the cut surface formed in (step S24). If the assumed line and the cutting trace do not match (step S25; N), it is determined that the selected cutting blade 10 is worn (step S26). If the imaginary line and the cut mark match (step S25; Y), it is not determined that the cutting blade is worn. In either case, if there are remaining cutting blades 10 that have not been selected (step S27; Y), the process returns to step S23 and repeats from the selection of cutting blades 10.
- the cut surface information storage unit 32 stores For the cutting surfaces associated with the cutting blades 10 determined to be worn, the cutting blades 10 that form them are rewritten with the cutting blades 10 that substitute for them (step S28). As a result, the cutting control unit 33 forms a cut surface with the cutting blades 10 that have not been determined to be worn in accordance with the rewritten association between the cut surfaces and the cutting blades 10 from the sheet to be processed next. If there is no cutting blade 10 determined to be worn, step S28 is not substantially executed.
- a cut surface for wear determination is formed in the margin of the sheet in addition to the cut surface for forming the processed product cut out from the sheet. Imaging for and extraction of cutting traces can be performed faster.
- the cut surface that was scheduled to be formed by the cutting blade 10 determined to be worn is replaced with one of the plurality of cutting blades 10 that was not determined to be worn. Since it is formed, the processing of the sheet can be continued without interrupting the processing of the lot, and the cutting blade 10 can be replaced at an appropriate timing.
- the cutting blade wear determination may be activated for each sheet or for each bundle of sheets to be processed, for example. Alternatively, it may be activated for each predetermined number of sheets, or may be activated for each random number of sheets. If the cutting blade wear determination is not performed, only the cut surface is formed without imaging the back surface of the sheet, extracting the cut trace, and comparing the assumed line with the cut trace. Also in Embodiment 2, it is not necessary to perform the wear determination of all the cutting blades 10 with one sheet. Also, the wear determination may be performed at different cycles for each cutting blade 10 .
- the method of determining the wear of the cutting blade 10 is not limited to the method of determining the wear of the cutting blade 10 by comparing the trace and the assumed line, and it may be combined with another method of determining the wear of the cutting blade 10 .
- a method of measuring the height of the cutting blade 10 to determine the wear of the tip a method of determining the blade spillage of the cutting blade 10 from the image of the cutting blade 10, or a change in the contact resistance between the cutting edge and the electrode.
- a method of determining dullness of the blade 10, or a combination thereof, for determining cutting blade wear may be combined with replacing worn cutting blades.
- the sheet processing apparatus 1 may be provided with a plurality of cameras 21 .
- the angle of view of the camera 21 is not limited to a general aspect ratio, and may be horizontally long or vertically long.
- the imaging device may be configured to take in a row of pixels in the main scanning direction and perform sub-scanning with the conveying mechanism 15, like an image sensor of an image reading device.
- FIG. 9 is a block diagram showing an example of the hardware configuration of the cutting blade wear determination device according to the embodiment.
- the cutting blade wear determination device 31 includes a control unit 41 , a main storage unit 42 , an external storage unit 43 , an operation unit 44 , a display unit 45 , an input/output unit 46 and a transmission/reception unit 47 .
- Main storage unit 42 , external storage unit 43 , operation unit 44 , display unit 45 , input/output unit 46 and transmission/reception unit 47 are all connected to control unit 41 via internal bus 40 .
- the control unit 41 is composed of a CPU (Central Processing Unit) and the like, and according to the control program 48 stored in the external storage unit 43, the cut surface information storage unit 32, the cutting control unit 33, and the cut trace of the cutting blade wear determination device 31 Each process of the extraction unit 34 and the determination unit 35 is executed.
- CPU Central Processing Unit
- the main storage unit 42 is composed of a RAM (Random-Access Memory) or the like, loads a control program 48 stored in the external storage unit 43, and is used as a work area for the control unit 41.
- RAM Random-Access Memory
- the external storage unit 43 is composed of non-volatile memory such as flash memory, hard disk, DVD-RAM (Digital Versatile Disc Random-Access Memory), DVD-RW (Digital Versatile Disc ReWritable), etc. and data such as cut plane information are stored, and the data stored by this program is supplied to the control unit 41 according to the instruction of the control unit 41, and the data supplied from the control unit 41 is stored. stored data.
- non-volatile memory such as flash memory, hard disk, DVD-RAM (Digital Versatile Disc Random-Access Memory), DVD-RW (Digital Versatile Disc ReWritable), etc.
- data such as cut plane information
- the operation unit 44 is composed of a keyboard, a pointing device such as a mouse, etc., and an interface device that connects the keyboard, the pointing device, etc. to the internal bus 40 . Via the operation unit 44, the designation of the cutting surface for determining cutting blade wear, the correspondence between the cutting surface formed in the margin of the sheet and the cutting blade 10 forming the cutting surface, and the replacement of the cutting blade 10 are input. 41.
- the display unit 45 is composed of an LCD (Liquid Crystal Display), an organic EL display, or the like, and displays the worn cutting blade 10, the alternative cutting blade 10, and the like.
- LCD Liquid Crystal Display
- organic EL display or the like
- the input/output unit 46 is composed of a serial interface or a parallel interface.
- the driving mechanism 36 and the camera 21 are connected to the input/output unit 46, and the control unit 41 commands formation of a cut surface and imaging through the input/output unit 46, and acquires an image of the back surface of the sheet.
- the transmitting/receiving unit 47 is composed of a network terminal device or wireless communication device connected to the network, and a serial interface or LAN (Local Area Network) interface connected to them.
- the transmission/reception unit 47 downloads the sheet processing data or the control program 48 via the network.
- the processing of the cutting surface information storage unit 32, the cutting control unit 33, the cutting trace extraction unit 34, and the determination unit 35 of the cutting blade wear determination device 31 shown in FIG. 42, an external storage unit 43, an operation unit 44, a display unit 45, an input/output unit 46, a transmission/reception unit 47, etc. are used as resources for processing.
- the configuration of the cutting blade wear determination device 31 described in each embodiment is an example, and can be arbitrarily changed and modified.
- the configuration of the cutting blade wear determination device 31 is not limited to those shown in the embodiment.
- a smart phone or a tablet terminal may be used as the cutting blade wear determination device 31 .
- the cutting blade wear determination device 31 may be installed on a network to provide the functions of the cutting blade wear determination device 31 via the network.
- the main part of the electric lock control process of the cutting blade wear determination device 31 composed of the cut surface information storage unit 32, the cut control unit 33, the cut mark extraction unit 34, and the determination unit 35 is installed in a dedicated system. Therefore, it can be realized using a normal computer system. For example, storing and distributing a computer program for executing the above operation in a computer-readable recording medium (USB memory, CD-ROM, DVD-ROM, etc.), and installing the computer program in the computer.
- the cutting blade wear determination device 31 that executes the above processing may be configured by the following.
- the computer program may be stored in a storage device of a server device on a communication network such as the Internet, and the cutting blade wear determination device 31 may be configured by downloading the program to a normal computer system.
- the cutting blade wear determination device 31 is realized by sharing the work of the OS (operating system) and the application program, or by cooperation between the OS and the application program, etc., only the application program part is stored in the recording medium or storage device. You may
- the computer program may be posted on a bulletin board (BBS, Bulletin Board System) on a communication network, and distributed via the network. Then, the computer program may be configured to be started and executed in the same manner as other application programs under the control of the OS so that the above processes can be executed.
- BSS bulletin Board System
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Control Of Cutting Processes (AREA)
- Treatment Of Fiber Materials (AREA)
- Details Of Cutting Devices (AREA)
Abstract
Description
図1は、本発明の実施の形態1に係るシート加工装置の斜視図である。シート加工装置1は、テーブル9に載置されたシートに切断面を形成する加工ステージ2と、テーブル9にシートを載置し、加工後のシートをテーブル9から離隔して搬送する入出ステージ3から構成される。以下の説明では、加工ステージ2と入出ステージ3が並ぶ方向をX軸とし、テーブル9の表面に平行で、かつX軸に直交する方向をY軸とする。そして、X軸とY軸に直交する方向、すなわち、テーブル9の表面に直交する方向をZ軸とする。X軸方向を前後、Y軸方向を左右、Z軸方向を上下ともいう。
図6は、本発明の実施の形態2に係るシート加工装置の概略斜視図である。実施の形態2のシート加工装置1は、直列に配置された3つの加工ステージ4、5、6と、加工ステージの前後に配置される2つの入出ステージ7、8を備える。図6では、加工ステージの切断機構11、搬送機構15の保持部16および移動部18が省略されている。
2 加工ステージ
3 入出ステージ
4 第1の加工ステージ
5 第2の加工ステージ
6 第3の加工ステージ
7 前段の入出ステージ
8 後段の入出ステージ
9 テーブル
10 切断刃
11 切断機構
12 昇降機構
13 左右移動機構(平行移動機構)
14 前後移動機構(平行移動機構)
15 搬送機構
16 保持部
17 昇降部
18 移動部
19 フレーム(移動部)
20 レール(移動部)
21 カメラ(撮像装置)
22 支持部
25 制御装置
31 切断刃損耗判定装置
32 切断面情報記憶部
33 切断制御部
34 切断跡抽出部
35 判定部
36 駆動機構
41 制御部
42 主記憶部
43 外部記憶部
44 操作部
45 表示部
46 入出力部
47 送受信部
48 制御プログラム
Claims (7)
- 表面上に載置されたシートを保持するテーブルと、
前記テーブルの表面上に保持されたシートに、表面から裏面に貫通する切断面を形成しうる切断刃と、
前記切断刃が前記テーブルに接触する位置と前記テーブルに載置されたシートから離隔する位置との間で、前記切断刃を前記テーブルの表面に交わる方向に移動しうる昇降機構と、
前記切断刃を前記テーブルに接触させた状態で前記テーブルの表面に平行に移動しうる平行移動機構と、
シートを前記テーブルに載置および前記テーブルから離隔し、シートを前記テーブルから離隔させた状態で移動しうる搬送機構と、
前記平行移動機構および前記昇降機構を作動させ、前記テーブルに載置されたシートに前記切断刃で切断面の形成を指令する切断制御部と、
前記切断面の形成が指令された後のシートを、前記搬送機構によって前記テーブルから離隔させた状態で、前記シートの裏面を撮像する撮像装置と、
前記切断面の形成が指令された後のシートを前記テーブルから離隔させた状態で、切断面の形成が指令された部分の前記シートの裏面を前記撮像装置で撮像した画像を取得し、形成された切断面とシート裏面の交わる線である切断跡を前記画像から抽出する切断跡抽出部と、
前記切断刃によって前記シートに形成されたと想定される切断面がシート裏面と交わる線である想定線と、前記切断跡抽出部が抽出した切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する判定部と、
を備えるシート加工装置。 - 前記切断制御部は、シートから切り出される加工品を形成する切断面とは別に、シートの余白に切断面の形成を指令し、
前記切断跡抽出部は、前記余白の切断面の形成が指令された部分のシートの裏面を前記撮像装置で撮像した画像を取得して、前記余白に形成された切断面の前記切断跡を前記画像から抽出し、
前記判定部は、前記余白に形成されたと想定される切断面の前記想定線と、前記余白に形成された切断面の前記切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する、
請求項1に記載のシート加工装置。 - 前記テーブルの表面上に保持されたシートに、互いに独立して表面から裏面に貫通する切断面を形成しうる複数の前記切断刃を備え、
前記切断制御部は、前記切断刃のそれぞれに対して、互いに異なる切断面の形成を指令し、
前記切断跡抽出部は、前記切断刃のそれぞれについて、当該切断刃によって形成された切断面の前記切断跡を前記画像から抽出し、
前記判定部は、前記切断刃のそれぞれについて、当該切断刃によって形成されたと想定される切断面の前記想定線と形成された切断面の前記切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する、
請求項1または2に記載のシート加工装置。 - 前記切断刃をそれぞれ互いに独立して移動しうる複数の前記平行移動機構および複数の前記昇降機構を備え、
前記切断制御部は、前記判定部でいずれかの前記切断刃が損耗していると判定された場合に、次に加工するシートから、前記損耗していると判定された切断刃で形成することが予定されていた切断面を、前記複数の切断刃のいずれか損耗していると判定されなかった切断刃で代替して形成する、
請求項3に記載のシート加工装置。 - テーブルの表面上に載置され該テーブルで保持されるシートの表面から裏面に貫通する切断面を形成しうる切断刃を、前記切断刃が前記テーブルに接触する位置と前記テーブルに載置されたシートから離隔する位置との間で、前記テーブルの表面に交わる方向に移動しうる昇降機構、および、前記切断刃を前記テーブルに接触させた状態で前記テーブルの表面に平行に移動しうる平行移動機構、を作動させて前記テーブルで保持されるシートに切断面の形成を指令する切断制御部と、
前記テーブルに載置されたシートを前記テーブルから離隔し、前記シートを前記テーブルから離隔させた状態で移動しうる搬送機構によって、前記切断面の形成が指令された後のシートを前記テーブルから離隔させた状態で、前記切断面の形成が指令された部分の前記シートの裏面を撮像装置で撮像した画像を取得し、形成された切断面とシート裏面の交わる線である切断跡を前記画像から抽出する切断跡抽出部と、
前記切断刃によって前記シートに形成されたと想定される切断面がシート裏面と交わる線である想定線と、前記切断跡抽出部が抽出した切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する判定部と、
を備える切断刃損耗判定装置。 - 切断刃損耗判定装置が行う切断刃損耗判定方法であって、
テーブルの表面上に載置され該テーブルで保持されるシートの表面から裏面に貫通する切断面を形成しうる切断刃を、前記テーブルに接触する位置と前記テーブルに載置されたシートから離隔する位置との間で前記テーブルの表面に交わる方向に移動しうる昇降機構、および、前記切断刃を前記テーブルに接触させた状態で前記テーブルの表面に平行に移動しうる平行移動機構、を作動させて前記テーブルで保持されるシートに切断面の形成を指令する切断制御ステップと、
シートを前記テーブルに載置および前記テーブルから離隔し、シートを前記テーブルから離隔させた状態で移動しうる搬送機構によって、前記切断面の形成が指令された後のシートを前記テーブルから離隔させた状態で、前記切断面の形成が指令された部分の前記シートの裏面を撮像装置で撮像した画像を取得し、形成された切断面とシート裏面の交わる線である切断跡を前記画像から抽出する切断跡抽出ステップと、
前記切断刃によって前記シートに形成されたと想定される切断面がシート裏面と交わる線である想定線と、前記切断跡抽出ステップで抽出した切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する判定ステップと、
を備える切断刃損耗判定方法。 - コンピュータに、
テーブルの表面上に載置され該テーブルで保持されるシートの表面から裏面に貫通する切断面を形成しうる切断刃を、前記テーブルに接触する位置と前記テーブルに載置されたシートから離隔する位置との間で前記テーブルの表面に交わる方向に移動しうる昇降機構、および、前記切断刃を前記テーブルに接触させた状態で前記テーブルの表面に平行に移動しうる平行移動機構を作動させて、前記テーブルで保持されるシートに切断面の形成を指令する切断制御ステップと、
シートを前記テーブルに載置および前記テーブルから離隔し、シートを前記テーブルから離隔させた状態で移動しうる搬送機構によって、前記切断面の形成が指令された後のシートを前記テーブルから離隔させた状態で、前記切断面の形成が指令された部分の前記シートの裏面を撮像装置で撮像した画像を取得し、形成された切断面とシート裏面の交わる線である切断跡を前記画像から抽出する切断跡抽出ステップと、
前記切断刃によって前記シートに形成されたと想定される切断面がシート裏面と交わる線である想定線と、前記切断跡抽出ステップで抽出した切断跡とが一致しない場合に、当該切断面の形成が指令された切断刃が損耗していると判定する判定ステップと、
を実行させるためのプログラム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22858143.5A EP4389376A1 (en) | 2021-08-18 | 2022-06-13 | Sheet processing device, cutting blade wear determination device, cutting blade wear determination method, and program |
CN202280049349.7A CN117677477A (zh) | 2021-08-18 | 2022-06-13 | 片材加工装置、切断刀损耗判定装置、切断刀损耗判定方法以及程序 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021133375A JP2023027975A (ja) | 2021-08-18 | 2021-08-18 | シート加工装置、切断刃損耗判定装置、切断刃損耗判定方法およびプログラム |
JP2021-133375 | 2021-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023021819A1 true WO2023021819A1 (ja) | 2023-02-23 |
Family
ID=85240448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/023662 WO2023021819A1 (ja) | 2021-08-18 | 2022-06-13 | シート加工装置、切断刃損耗判定装置、切断刃損耗判定方法およびプログラム |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4389376A1 (ja) |
JP (1) | JP2023027975A (ja) |
CN (1) | CN117677477A (ja) |
WO (1) | WO2023021819A1 (ja) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0724785A (ja) * | 1993-07-14 | 1995-01-27 | Keiutsudo:Kk | フラットベッド型オートカッターにおける切断方法 |
JPH0724785B2 (ja) | 1992-12-18 | 1995-03-22 | 三晃技研株式会社 | ビン類の破砕装置 |
JP2000246692A (ja) * | 1999-02-25 | 2000-09-12 | Uht Corp | テープ状物の穿孔装置 |
JP2007075923A (ja) * | 2005-09-12 | 2007-03-29 | Seiko Epson Corp | 裁断装置および記録裁断複合装置 |
JP2008238325A (ja) | 2007-03-27 | 2008-10-09 | Dainippon Printing Co Ltd | 刃交換時期管理装置および刃交換時期管理方法 |
JP2013085759A (ja) * | 2011-10-19 | 2013-05-13 | Unicharm Corp | 吸収性物品に係る肌側シートの開口部の検査装置、及び検査方法 |
JP2013099811A (ja) | 2011-11-08 | 2013-05-23 | Shima Seiki Mfg Ltd | 裁断機 |
JP2013103301A (ja) * | 2011-11-14 | 2013-05-30 | Seiko Epson Corp | カッター装置、および媒体加工方法 |
JP2019181662A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社ミマキエンジニアリング | カッティング装置及びカッター刃の検査方法 |
JP2021133375A (ja) | 2020-02-25 | 2021-09-13 | 株式会社アンド | 半田付け装置 |
-
2021
- 2021-08-18 JP JP2021133375A patent/JP2023027975A/ja active Pending
-
2022
- 2022-06-13 CN CN202280049349.7A patent/CN117677477A/zh active Pending
- 2022-06-13 EP EP22858143.5A patent/EP4389376A1/en active Pending
- 2022-06-13 WO PCT/JP2022/023662 patent/WO2023021819A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0724785B2 (ja) | 1992-12-18 | 1995-03-22 | 三晃技研株式会社 | ビン類の破砕装置 |
JPH0724785A (ja) * | 1993-07-14 | 1995-01-27 | Keiutsudo:Kk | フラットベッド型オートカッターにおける切断方法 |
JP2000246692A (ja) * | 1999-02-25 | 2000-09-12 | Uht Corp | テープ状物の穿孔装置 |
JP2007075923A (ja) * | 2005-09-12 | 2007-03-29 | Seiko Epson Corp | 裁断装置および記録裁断複合装置 |
JP2008238325A (ja) | 2007-03-27 | 2008-10-09 | Dainippon Printing Co Ltd | 刃交換時期管理装置および刃交換時期管理方法 |
JP2013085759A (ja) * | 2011-10-19 | 2013-05-13 | Unicharm Corp | 吸収性物品に係る肌側シートの開口部の検査装置、及び検査方法 |
JP2013099811A (ja) | 2011-11-08 | 2013-05-23 | Shima Seiki Mfg Ltd | 裁断機 |
JP2013103301A (ja) * | 2011-11-14 | 2013-05-30 | Seiko Epson Corp | カッター装置、および媒体加工方法 |
JP2019181662A (ja) * | 2018-04-17 | 2019-10-24 | 株式会社ミマキエンジニアリング | カッティング装置及びカッター刃の検査方法 |
JP2021133375A (ja) | 2020-02-25 | 2021-09-13 | 株式会社アンド | 半田付け装置 |
Also Published As
Publication number | Publication date |
---|---|
CN117677477A (zh) | 2024-03-08 |
EP4389376A1 (en) | 2024-06-26 |
JP2023027975A (ja) | 2023-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1520972A (zh) | 纵切划线机的控制方法 | |
US5036574A (en) | Multiple piercing apparatus and method | |
CN109414832B (zh) | 多层型片加工装置 | |
CN1729133A (zh) | 对材料带进行加工和/或输送的装置以及调整所述装置的方法 | |
CN101905563A (zh) | 丝网印刷机的印刷工作台的移动方法及其印刷工作台移动装置 | |
WO2023021819A1 (ja) | シート加工装置、切断刃損耗判定装置、切断刃損耗判定方法およびプログラム | |
CN109015843A (zh) | 一种兼有视觉检测功能的试剂条分切装置 | |
JP4210981B2 (ja) | 劈開装置及び劈開方法 | |
CN110696073B (zh) | 用于pcb的新型切割装置及方法 | |
CN1895862A (zh) | 切削处理装置、切削处理装置的切削处理方法及程序 | |
JP2006297521A (ja) | 板材の溝加工装置 | |
JP2011031330A (ja) | 加工バリ取り方法及びベルト式加工バリ取り装置 | |
JP2000211718A (ja) | 切断パ―ツ搬出装置 | |
JP5597328B2 (ja) | カッティングプロッタ、およびそれを用いたカッティング方法 | |
JP7145497B2 (ja) | 部品装着装置、及び、部品装着方法 | |
JP5122235B2 (ja) | 食肉スライサ | |
CN219882632U (zh) | 一种v-cut机送料装置 | |
JP2015211990A (ja) | 切断機 | |
US20170190071A1 (en) | Cutting apparatus | |
CN218555936U (zh) | 一种多功能的激光打标机 | |
KR20130136273A (ko) | 자동급지를 위한 급지조절기구 | |
JP2006169045A (ja) | 板ガラス切断機における切線加工済み板ガラスの搬送装置。 | |
JP2006196574A (ja) | スクライブ装置 | |
JP2019098436A (ja) | 印刷機能付きカッティング装置 | |
JPH11245093A (ja) | 打ち抜き方法およびこの方法に用いる打ち抜き装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22858143 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280049349.7 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022858143 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022858143 Country of ref document: EP Effective date: 20240318 |