EP0932573B1 - Machine de traitement de feuilles - Google Patents

Machine de traitement de feuilles Download PDF

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Publication number
EP0932573B1
EP0932573B1 EP19970945758 EP97945758A EP0932573B1 EP 0932573 B1 EP0932573 B1 EP 0932573B1 EP 19970945758 EP19970945758 EP 19970945758 EP 97945758 A EP97945758 A EP 97945758A EP 0932573 B1 EP0932573 B1 EP 0932573B1
Authority
EP
European Patent Office
Prior art keywords
sheet
cutting
arrangement
cross
sheets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19970945758
Other languages
German (de)
English (en)
Other versions
EP0932573A1 (fr
Inventor
Johannes Georg Schaede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0932573A1 publication Critical patent/EP0932573A1/fr
Application granted granted Critical
Publication of EP0932573B1 publication Critical patent/EP0932573B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/24—Pile receivers multiple or compartmented, e.d. for alternate, programmed, or selective filling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/35—Spacing
    • B65H2301/351—Spacing parallel to the direction of displacement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/421—Forming a pile
    • B65H2301/4217—Forming multiple piles
    • B65H2301/42172—Forming multiple piles simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/20—Location in space
    • B65H2511/24—Irregularities, e.g. in orientation or skewness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/51—Presence
    • B65H2511/512—Marks, e.g. invisible to the human eye; Patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/05—With reorientation of tool between cuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/04—Processes
    • Y10T83/0505—With reorientation of work between cuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2196—Roller[s]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4653—With means to initiate intermittent tool action
    • Y10T83/4656—Tool moved in response to work-sensing means
    • Y10T83/4659—With means to vary "length" of product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4737—With tool speed regulator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4824—With means to cause progressive transverse cutting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/4847—With cooperating stationary tool

Definitions

  • the invention relates to a method for cutting Sheet and a sheet processing machine according to the The preamble of claims 1 and 11.
  • This Cross cutting device is a belt system for Transport of the sheets cut from the web downstream.
  • DE 43 13 452 A1 describes a device for Cutting sheets from a web. At this Device are two cross cutting devices provided by means of which a leading end first the web is trimmed to size and then the arch is separated from the web.
  • the invention has for its object a method for cutting bow and a Sheet processing machine with a cutting device to accomplish.
  • the advantages that can be achieved with the invention are, in particular, that cross cutting of the beginning and end of a sheet takes place in a sheet processing machine without manual intervention.
  • Integrated inspection devices make it possible to check both the print quality itself and the cutting register in the sheet processing machine. In this way, the front and back sides of the sheet, which are printed in face and reverse printing, for example, can be checked at the same time.
  • the interaction of the cross-cutting devices with a chain conveyor enables simple adjustment of the cutting register, which is advantageously carried out by a position-controlled electric motor driving a cutting cylinder.
  • a longitudinal cutting device is assigned to a processing cylinder of the sheet processing machine, so that the sheet is cut "inline" into two or more partial sheets.
  • These sheets can be placed on stacks which can be selected, for example, by means of the inspection device, ie sorted stacks with "good” and reject sheets are formed. This has the advantage that if the partial sheet is defective, the entire sheet is not discarded. With this sheet processing machine, all sides of a sheet are trimmed and cut into partial sheets. All cuts made as well as the perfecting are checked by means of inspection devices and placed on selectable stacks. This sheet processing machine performs a plurality of processing operations "inline", which leads to an increase in production and a reduction in manual work. In addition, the quality of the products created in this way is increased.
  • the sheet processing machine according to the invention is in shown in the drawing and is described in more detail below described.
  • a sheet processing machine 1 for cross and longitudinal cutting of sheets 2 has integrated inspection devices 3, 4, 6.
  • the sheets 2 are preferably printed sheets of paper, for example securities.
  • This sheet processing machine 1 is constructed, for example, as follows:
  • a feeder 7 essentially has a first stack 8, a sheet separating device 9 and a feed table 11.
  • This feeder 7 is followed by a system 12, which is designed, for example, as a vibration system.
  • a first chain conveyor 13 interacts with this vibrating system 12.
  • This chain conveyor 13 has a pair of revolving chains 14, on which axially extending chain gripper systems 16 are attached.
  • the chains 14 are deflected by a first 17 and a second sprocket shaft 18. Between the first 17 and second sprocket shafts 18, the chains 18 run at least partially along a straight line.
  • the first inspection device 3 is arranged after the first sprocket shaft 17.
  • This inspection device 3 has a suction box 19, the working surface facing the chain gripper systems 16 of which is at least partially transparent. Lighting devices (not shown) are arranged under this transparent work surface.
  • a first cross cutting device 21 is connected downstream of this suction box 19.
  • the cross cutting device 21 has a rotating cutting cylinder 22 and a fixed counter knife 24 fastened to a cross member 23.
  • the cutting cylinder 22 is at least provided with an axially extending pit, into which a chain gripper system 16 running past can dip.
  • a width of the pit in the circumferential direction is larger than a width required by the chain gripper system 16, so that chain gripper systems 16 and cutting cylinders 22 passing by for the cutting register adjustment can be shifted in phase relative to one another.
  • arms rotating on both sides are provided, between which an axially extending cross member for receiving a cutting knife 26 is arranged.
  • the cutting cylinder 22 has a drive that is phase-adjustable with respect to the chain conveyor 13, which in the present example is advantageously designed as a separate, position-controlled electric motor.
  • the counter knife 24 is arranged slightly inclined with respect to the axis of rotation of the cutting cylinder 22, ie the counter knife 24 includes an opening angle alpha with the transport direction T which is not equal to 90 °, for example 89 °. This results, for example, in an angle of inclination of the counter knife 24 to the axis of rotation of the cutting cylinder 22 of 1 °.
  • the counter knife 24 is slightly rotated about its longitudinal axis, ie the counter knife 24 has a slight twist.
  • the electric drive of the cutting cylinder 22 follows the chain conveyor 13 with identical Peripheral speed, so that ultimately by swirl and superimposed transport speed an exact right-angled section of the arch 2 is formed.
  • the axially extending cutting knife 26 of the Cutting cylinder 22 is with respect to the axis of rotation of the Cutting cylinder 22 slightly inclined and has a twist in the longitudinal direction.
  • the cutting knife 26 of the Cutting cylinder 22 and the counter knife 24 are adapted to each other.
  • Counter knife 24 instead of the fixed counter knife 24 there is also a rotating counter cylinder possible, for example a Counter knife 24 for making a silhouette or has a counter bar. It is also possible Cutting knife 26 and counter knife 24 parallel to Axis of rotation of the cutting cylinder 22 and without swirl perform.
  • the cutting cylinder 22 or counter cylinder can also have a plurality of cutting knives 26.
  • This cross cutting device 21 is in the range of Chain conveyor 13, a second inspection device 4 downstream.
  • This second inspection device 4 consists essentially of a sensor 27, Lighting devices 30 and a suction box 35.
  • This turning device 28 consists essentially of in the present example a storage drum 29 and a turning drum 31.
  • the storage drum 29 has "double" circumference and is therefore with two controllable, offset by 180 mutually arranged gripper systems 32 and two opposite suction systems 33 equipped.
  • On Distance in circumferential direction between gripper systems 32 and suction systems 33 is to a length of transporting sheet 2 adjustable.
  • the suction systems 33 are in the circumferential direction and in the axial direction movable.
  • the turning drum 31 has two adjacent, controllable gripper systems 34, 36 which are arranged pivotably about their longitudinal axis. Turning drum 31 and storage drum 29 are phase-adjustable to one another.
  • the turning device 28 is a cylinder 37, for. B. a Machining cylinder 37 with a cooperating Slitter 38 connected downstream.
  • This Machining cylinder 37 has, for example, at least double the scope and four independently controllable as gripper systems 39, 41, 42, 43 trained holding systems 39, 41, 42, 43.
  • This Holding systems 39, 41, 42, 43 can also be used as suction cups be trained.
  • Two of these gripper systems 39, 41 and 42, 43 each lie in the axial direction a center of the machining cylinder 37 approximately Axially symmetrical in a cylinder pit next to each other and are relative to each other in the axial direction displaceable.
  • the one assigned to the machining cylinder 37 Longitudinal cutting device 38 with a plurality of Cutting wheels 44 is short in the sheet transport direction T. arranged after the turning drum 31.
  • This Longitudinal cutting device 38 has in the present Example an axially extending traverse 46, on the three independently operable and axial Slidable cutting wheels 44 are arranged.
  • a second chain conveyor 47 with two rotating chains 48 is arranged.
  • a plurality of chain gripper systems 49 are arranged on these chains 48.
  • These chain gripper systems 49 consist of two chain gripper systems lying side by side in the axial direction, which are arranged approximately symmetrically with respect to the center of the machine and can be actuated independently of one another.
  • the chain conveyor 47 can also have chain gripper systems that can be moved relative to one another in the axial direction. More than two gripper systems 39; 41 and 42; 43 ie any number can be moved. In the case of three gripper systems arranged axially next to one another, for example, the gripper system arranged in the middle could be stationary in the axial direction and the two outer gripper systems could be pushed away from the middle one.
  • the chains 48 are deflected by a first and a second sprocket shaft 51, 52.
  • a center 53 formed by the first sprocket shaft 51 and machining cylinder 37 closes with a center 54 formed by the machining cylinder 36 and the cutting wheels 44 an opening angle Beta of less than 180 °, e.g. B. 155 °.
  • a suction box 56 is arranged in the chain conveyor 47 below the chain 48.
  • This suction box 56 is followed by a second cross-cutting device 57, which is constructed identically to the first cross-cutting device 21.
  • the cross-cutting devices 21, 57 are used to trim the ends 71, 72 of the sheets 2, 82, 83.
  • This second cross-cutting device 57 is followed by the third inspection device 6 with a sensor 58, lighting devices 59 and a suction box 61. Then there is an arm 62 in the area of the chain conveyor 47.
  • This arm 62 has six stacks 63, 64, 66-69, two of which are in pairs next to each other and the resulting three pairs of stacks 63, 64 and 66, 67 and 68, 69 are arranged one behind the other.
  • the stacks 63, 64 and 66, 67 arranged side by side of the first two pairs of stacks each have common lifting devices, so that one pair of stacks is raised and lowered together.
  • separate lifting devices are provided for the two stacks 67, 68 lying next to one another, so that the two stacks 67, 68 can be raised and lowered independently of one another.
  • gripper systems or chain gripper systems are a plurality of grippers, one on one Longitudinal axis pivotable shaft are arranged understand.
  • the functioning of the sheet processing machine 1 is as follows:
  • the sheet 2 is segment-wise damaged, such as. B. cracks and holes examined.
  • the watermark of sheet 2 is also inspected by transmitted light.
  • the sheet 2 is guided by the suction box 19 of the first inspection device 3 which is subjected to negative pressure.
  • the chain gripper system 16 transports the sheet 2 through the cross-cutting device 21 to the second inspection device 4. There the sheet 2 is sucked in by the suction box 35 of the second inspection device 4 in the area 71 of the sheet 2.
  • One end 72 of the sheet 2 is still in the cross-cutting device 21, in which a narrow, axially extending strip 73 is cut from the end 72 thereof.
  • the transport speed of the chain conveyor 13 and the peripheral speed of the cutting knife 26 are adapted to one another, so that the end 72 of the sheet 2 is cut at right angles to the transport direction T.
  • This sheet 2, which has a first cut 74, is now inspected by the second inspection device 4.
  • a front side (face side) of the sheet 2 and a new edge of the sheet 2 (cutting register) resulting from the trimmed end 72 are checked.
  • the chain gripper system 16 then transfers this sheet 2 with its start 71 to a gripper system of the storage drum.
  • This storage drum 29 transports the sheet 2 in the direction of the turning drum 31. If the end 72 of this sheet now reaches the area of the suction systems 33 of the storage drum 29, these suck the trimmed end 72.
  • the suction systems 33 then move approximately in an arrow shape away from the center of the storage drum 29 and thus tighten the sheet 2 both in the circumferential direction and in the direction of the lateral edges of the sheet 2.
  • the phase shift between the turning drum 31 and the storage drum 29 is set to the length of the sheets 2 to be processed.
  • the storage drum 29 transports the start 71 of the sheet 2 through the gap between the turning drum 31 and the storage drum 29 until the suction systems 33 reach this gap.
  • the trimmed end 72 of the sheet 2 is gripped by the first gripper system 34 of the turning drum 31 and released by the suction system 33 by switching off the negative pressure.
  • the two gripper systems 34, 36 of the turning drum 31 then pivot towards one another and the trimmed end 72 is transferred from the first gripper system 34 to the second gripper system 36.
  • the gripper systems 34, 36 pivot back into their original position in their further course.
  • the trimmed end 72 is now gripped in advance in the transport direction T by the gripper system 36 and the untrimmed beginning 71 trailing.
  • the sheet 2 is transferred from the turning drum 31 to a pair of gripper systems 39, 41 or 42, 43 of the processing cylinder 37.
  • the sheet 2 is provided with three cuts 76, 77, 78 in the longitudinal direction - ie in the transport direction T.
  • the second and third cuts 76, 77 narrow strips 79, 81 are cut off from both longitudinal sides of the sheet 2.
  • Gripper division of the gripper systems 39, 41, 42, 43 of the processing cylinder 37 and the width and position of the sheet 2 are matched to one another such that the two cut strips 79, 81 are not gripped by grippers.
  • the fourth cut 78 separates the sheet 2 in the middle into two partial sheets 82, 83. Again, there is no gripper in the area of the cut 78. If these three longitudinal cuts 76, 77, 78 are complete, even with the maximum length of the sheet 2, the two partial sheets 82, 83 are moved apart in the axial direction.
  • a gripper system 41 or 43 or 39 or 42 executes a stroke in the axial direction by means of a cam roller which interacts with a cam disk. Only after the two partial sheets 82, 83 have been moved away from one another are these two partial sheets 82, 83 transferred in the region of the first sprocket shaft 51 to a chain gripper system 49 of the second chain conveyor 47.
  • the gripper system 41 or 43 of the processing cylinder 37 is moved back into its starting position before the next whole sheet 2 is taken over.
  • the spaced partial sheets 82, 83 are transported further in a common transport direction or plane.
  • the two partial sheets 82, 83 are fed to the second cross-cutting device 57.
  • To calm the sheet 2 it is sucked in along the suction box 56 upstream of the cross-cutting device 57 and the end 72 of the partial sheets 82, 83 located in the chain gripper system 49 is already guided over the suction box 61 of the third inspection device 6.
  • the sheet 2 is now trimmed on all sides and separated into two partial sheets 82, 83.
  • the inspection devices 4, 6 control this Cutting register of sheets 2; 82; 83, d. H. the location at least one trimmed edge, preferably all trimmed edges of sheet 2; 82; 83 regarding one Reference marking, for example within a Print image. Preferably the entire sheet including the entire printed image.
  • the chain conveyor 47 transports the partial sheets 82, 83, which have been trimmed on all sides and checked on the front and rear, from the inspection device 6 to the six stacks 63, 64, 66-69 of the arm 62.
  • the partial sheets 82, 83 can optionally be placed on one of the six stacks 63, 64, 66-69.
  • the first four stacks 63, 64, 66, 67 preferably take up so-called “good” sheets and the last two stacks 67, 68 arranged next to one another take up rejects sheets.
  • sheets 2, 82, 83 it is also possible, for example, to cut or cut printed webs, that is to say printing materials, and then to check them by means of one or more inspection devices 3, 4, 6.
  • the cutting devices 1, 38, 57 can then be arranged, for example, in the region of a folder of a web-fed rotary printing press. There, a web is cut into several partial webs in the longitudinal direction, for example, and then cut into signatures in the transverse direction.
  • the cutting register can be checked after each cut or after the web has been completely cut in signatures.
  • the inspection devices 3, 4, 6 include preferably one or more CCD area cameras that inspect the sheets as a whole.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Control Of Cutting Processes (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Claims (16)

  1. Procédé pour découper des feuilles (2) dans une machine de traitement de feuille (1), caractérisé en ce que, d'abord, on découpe une extrémité arrière (72) de la feuille (2), perpendiculairement à une direction de transport (T), au moyen d'un premier dispositif de découpage transversal (21), en ce que la feuille (2) est ensuite tournée dans la machine de traitement (1) de sorte que l'extrémité (72) découpée de la feuille (2) soit à l'avant et en ce que l'amorce (71), à présent à l'arrière, de la feuille (2) retournée est découpée perpendiculairement par rapport à la direction de transport (T), au moyen d'un deuxième dispositif de découpage transversal (57).
  2. Procédé selon la revendication 1, caractérisé en ce que la feuille (2) est divisée en une pluralité de feuilles partielles (82 ; 83) situées les unes à côté des autres, au moyen d'une découpe longitudinale (78).
  3. Procédé selon la revendication 1, caractérisé en ce que les côtés longitudinaux, placés parallèlement à la direction de transport (T), de la feuille (2) sont découpés.
  4. Procédé selon la revendication 1, caractérisé en ce que les découpes longitudinales (76 ; 77 ; 78) se font entre la première découpe transversale (74) et la deuxième découpe transversale (76).
  5. Procédé selon les revendications 1 et 2, caractérisé en ce que la feuille (2) est découpée en feuille partielle (82 ; 83) après le retournement.
  6. Procédé selon la revendication 1, caractérisé en ce que, après la première découpe transversale de la feuille (2), celle-ci est contrôlée à l'aide d'un dispositif d'inspection (4).
  7. Procédé selon la revendication 1, caractérisé en ce que la feuille (2) est contrôlée au moyen d'un dispositif d'inspection (6), après la deuxième découpe transversale.
  8. Procédé selon les revendications 1 à 3, caractérisé en ce que la feuille (2) ou les feuilles partielles (82 ; 83) est contrôlée au moyen d'un dispositif d'inspection (6), après avoir effectué toutes les découpes (74 ; 76 ; 77 ; 78 ; 79).
  9. Procédé selon la revendication 1, caractérisé en ce que la feuille (2) est contrôlée au moyen d'un dispositif d'inspection (2) avant de procéder à la première découpe (74).
  10. Procédé selon la revendication 1, caractérisé en ce que la feuille (2) et/ou les feuilles partielles (82 ; 83) sont transportées à l'aide de systèmes à preneurs (16 ; 32 ; 34 ; 36 ; 39 ; 41 ; 42 ; 43 ; 49).
  11. Machine de traitement de feuilles (1) équipée d'un premier dispositif de découpage transversal (21), caractérisée en ce que, en observant dans la direction de transport (T) des feuilles (2), en aval du premier dispositif de découpage transversal (21), est disposé un dispositif de retournement (28), et en ce que, en aval du dispositif de retournement (28), est disposé un deuxième dispositif de découpage transversal (57).
  12. Machine de traitement de feuilles (1) selon la revendication 11, caractérisée en ce qu'un dispositif d'inspection (4) est disposé entre un premier dispositif de découpage transversal (21) et le dispositif de retournement (28).
  13. Machine de traitement de feuilles (1) selon la revendication 11, caractérisée en ce qu'un dispositif d'inspection (6) est disposé en aval du deuxième dispositif de découpage transversal (57).
  14. Machine de traitement de feuilles (1) selon la revendication 11, caractérisée en ce qu'un dispositif de découpage longitudinal (18) est disposé en aval du dispositif de retournement (28).
  15. Machine de traitement de feuilles (1) selon les revendications 12 'ou 13, caractérisée en ce que le dispositif d'inspection (4 ; 6) est disposé directement en aval du dispositif de découpage transversal (21 ; 57), et en ce que le dispositif d'inspection (4 ; 6) présente une caisse aspirante (35 ; 61), pour assurer le guidage des feuilles (2).
  16. Machine de traitement de feuilles (1) selon la revendication 11, caractérisé en ce que les dispositifs de découpage transversal (21 ; 57) sont disposés de manière à coopérer avec un transporteur à chaíne (13 ; 47), transportant les feuilles (2).
EP19970945758 1996-10-21 1997-10-16 Machine de traitement de feuilles Expired - Lifetime EP0932573B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19643409 1996-10-21
DE19643409 1996-10-21
DE1996153927 DE19653927C1 (de) 1996-10-21 1996-12-21 Bogenbearbeitungsmaschine
DE19653927 1996-12-21
PCT/DE1997/002393 WO1998017571A1 (fr) 1996-10-21 1997-10-16 Machine de traitement de feuilles

Publications (2)

Publication Number Publication Date
EP0932573A1 EP0932573A1 (fr) 1999-08-04
EP0932573B1 true EP0932573B1 (fr) 2002-03-27

Family

ID=26030553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970945758 Expired - Lifetime EP0932573B1 (fr) 1996-10-21 1997-10-16 Machine de traitement de feuilles

Country Status (8)

Country Link
US (2) US6260456B1 (fr)
EP (1) EP0932573B1 (fr)
JP (1) JP2000505767A (fr)
CN (1) CN1075788C (fr)
BR (1) BR9712421A (fr)
DE (2) DE19653927C1 (fr)
ES (1) ES2173494T3 (fr)
WO (1) WO1998017571A1 (fr)

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JP4861215B2 (ja) * 2007-02-28 2012-01-25 キヤノン株式会社 シート処理装置及び画像形成装置
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EP2189407A1 (fr) 2008-11-21 2010-05-26 Kba-Giori S.A. Procédé et système de traitement de feuilles imprimées, spécialement des feuilles de sécurités imprimées, dans des documents individuels
WO2011031486A1 (fr) * 2009-08-25 2011-03-17 Lasermax Roll Systems, Inc. Système et procédé pour coupe et empilement en ligne de feuilles pour formation de livres
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JP6878117B2 (ja) * 2017-04-25 2021-05-26 川崎重工業株式会社 シート搬送装置及びシート搬送方法
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Also Published As

Publication number Publication date
ES2173494T3 (es) 2002-10-16
BR9712421A (pt) 1999-10-26
US20020124697A1 (en) 2002-09-12
CN1238736A (zh) 1999-12-15
EP0932573A1 (fr) 1999-08-04
DE19653927C1 (de) 1998-04-23
US6260456B1 (en) 2001-07-17
DE59706793D1 (de) 2002-05-02
JP2000505767A (ja) 2000-05-16
WO1998017571A1 (fr) 1998-04-30
US6729216B2 (en) 2004-05-04
CN1075788C (zh) 2001-12-05

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