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EP0553321B2 - Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer - Google Patents
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EP0553321B2 - Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer - Google Patents

Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer Download PDF

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Publication number
EP0553321B2
EP0553321B2 EP92916319A EP92916319A EP0553321B2 EP 0553321 B2 EP0553321 B2 EP 0553321B2 EP 92916319 A EP92916319 A EP 92916319A EP 92916319 A EP92916319 A EP 92916319A EP 0553321 B2 EP0553321 B2 EP 0553321B2
Authority
EP
European Patent Office
Prior art keywords
sheet
suction
computing device
suction force
suction roll
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
EP92916319A
Other languages
German (de)
English (en)
Other versions
EP0553321A1 (fr
EP0553321B1 (fr
Inventor
Peter Theobald Blaser
Dieter Hauck
Karl-Hermann Miltner
Anton Rodi
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27202822&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0553321(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE4201480A external-priority patent/DE4201480C2/de
Priority claimed from DE4220582A external-priority patent/DE4220582A1/de
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0553321A1 publication Critical patent/EP0553321A1/fr
Application granted granted Critical
Publication of EP0553321B1 publication Critical patent/EP0553321B1/fr
Publication of EP0553321B2 publication Critical patent/EP0553321B2/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B65H29/686—Pneumatic brakes
    • 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/245—Air blast devices
    • B65H29/246—Air blast devices acting on stacking devices
    • B65H29/247—Air blast devices acting on stacking devices blowing on upperside of the sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/35—Other elements with suction surface, e.g. plate or wall
    • B65H2406/352—Other elements with suction surface, e.g. plate or wall facing the edge of the handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/10—Mass, e.g. mass flow rate; Weight; Inertia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/20—Volume; Volume flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the invention relates to a device for regulating and / or controlling individual control elements in the area of the delivery of a sheet printing machine, wherein at least one input device for entering sheet and press-specific characteristics and at least a computing device for further use the characteristics are provided and where a control device is also provided, a format-dependent for individual control elements Adjustment according to the specified characteristics prompted.
  • the disadvantage of this invention can certainly be be considered that the empirical investigation of the respective setting data depending of the sizes paper weight and speed very are tedious.
  • the investigation of these characteristic fields from a qualified Be carried out by a specialist.
  • the saving the characteristic data fields still require one high storage capacity.
  • the object of the present invention is a device for control and / or regulation of the control elements in the sheet delivery area Propose sheetfed press that using of paper-specific and press-specific Characteristics of the setting values of the Control elements of the bow boom determined.
  • ⁇ represents a coefficient of friction and s the length of paper over which the suction force of the suction roller acts.
  • the computing device Information about the respective color, Paint, dampening solution and / or powder application on the Feed sheet, and that the computing device this increase in mass when calculating the Energy of the sheet arriving in the delivery considered.
  • information about the amount of paint applied to the sheet can be obtained via the position of the color slider.
  • An input device is alternatively or additionally provided by which the printer uses the Suction force F of the suction roller or the paper length s, by means of which the suction force of the suction roller acts a correction factor k affects.
  • the printer uses the Suction force F of the suction roller or the paper length s, by means of which the suction force of the suction roller acts a correction factor k affects.
  • a correction factor k entered by the printer be taken into account in the calculation of the suction force F of the suction roller or in the calculation of the paper sheet length s and that when the setting limit of the suction force F max or when the maximum paper length s is reached max the specified correction factor for calculating the paper length s or for calculating the suction force F is adopted.
  • the use of a correction factor offers the advantage that corrections take effect over the entire speed range, as a result of which there are no discontinuities in the setting values of the adjusting elements.
  • the procedure provides that the Control device controls the powder device in such a way that depending on the machine speed amount of powder applied per surface is constant. It is also provided that that the computing device on a sheet amount of powder applied depending on the End stack height calculated. For example the amount of powder of the bottom edge of the stack to the top edge of the Remove the stack linearly. Because the pressure on the lower arch is much higher than on the upper, this will cause the sheets to stick together avoided lower area of the stack.
  • the matrix shape over the surface of an arch has distributed air outlet nozzles, the nozzles by means of the control device individually with blown air are acted upon.
  • the nozzles are from the trailing edge starting in rows towards the front edge switched off.
  • Fig. 1 is a schematic side view Sheet delivery 1 of a sheet-fed rotary printing machine, not shown shown.
  • the chains 2 with the gripper bridges 3 run over the deflection wheels 4, 5.
  • the gripper bridges convey the sheets 6 in Direction of the delivery stack 7.
  • a deceleration of the sheet takes place via the suction roller 9 as soon as the sheet 6 above the delivery stack 7 through the Gripper bridges 3 is released.
  • the grapple bridges 3 are on the gripper opening curve 10 controlled. Depressing the arch 6 the delivery stack 7 takes place by means of the blowing nozzles 11.
  • sheet 6 on the delivery stack 7 should ideally be such that the Braking force F of the suction roller 9 and the effective one Braking distance s are dimensioned so that when reached the rear edge of the delivery stack 7 die kinetic energy of the arch 6 at least very much is low. This prevents the bow crashes too hard against the stacking stops 8, which would damage the arch 6.
  • the sizes used to calculate the setting the suction roller 9 or to adjust the Serve gripper opening curve are schematic in Fig. 2 shown.
  • the suction roller 9 essentially represents the area around the suction roller 9 according to FIG. 1.
  • the sheet 6 is guided by the gripper bridge 3 over the suction roller 9.
  • the suction roller 9 is connected to a vacuum source, not shown in the drawing.
  • the suction force F of the suction roller 9 is adjustable. As long as the sheet 6 is guided by the gripper bridges 3, it moves at machine speed. If the sheet 6 is released from the gripper bridge 3, the sheet 6 is braked as a result of the suction force F of the suction roller 9.
  • the paper length of the sheet 6 is identified by s.
  • the suction force F of the suction roller 9 acts on it.
  • this removal of the energy from the sheet is equal to the kinetic energy 1/2 * m * v 2 of the sheet 6 arriving in the delivery area of a sheet-fed rotary printing press.
  • the size s the paper length of the sheet 6, over which the suction power F of the suction roller 9 acts after the arc 6 is no longer guided by the gripper bridge 3.
  • the suction roller itself possibly also rotates. Only in the event that the suction roller stands, s denotes the paper length of the sheet 6 behind the suction roller 9.
  • the suction roller rotates 9 in the paper direction or against the paper direction, so the circumferential distance must also the suction roller 9 from the time of opening Gripper bridges 3 until the time when the Sheet 6 has passed the suction roller 9 is taken into account become.
  • Paper length s of the sheet 6 behind the suction roller 9 reduced when rotating in the direction of paper movement and increased when turning against the paper feed direction become.
  • the sheet 6 is deposited the better the longer the sheet 6 is guided through the gripper bridges 3, ie the shorter the paper length s over which the suction force F of the suction roller 9 acts.
  • the cheapest procedure for calculating the settings of the adjusting elements in the boom area will therefore be that the setting of the gripper opening curve 10 is initially constant.
  • the data required for the calculation are fed to a computer 13 via an input device 12.
  • This input is made either by the operating personnel or via corresponding measuring points on the printing press itself.
  • the paper thickness can be determined via the print delivery and the cover mark height adjustment.
  • Format-dependent information can be obtained from the position of the drawing mark or from the color zone setting.
  • the speed of the sheet 6 arriving in the delivery area can easily be determined from the speed of rotation of the printing press.
  • Information about the ink application in the individual printing units, which may be taken into account for the correction of the mass m of the sheet 6, can be determined from the position of the ink fountain keys.
  • the amount of lacquer, dampening solution or powder applied to the sheet can also be made available to the computer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Discharge By Other Means (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Catching Or Destruction (AREA)

Claims (12)

  1. Dispositif de régulation et/ou de commande de différents éléments d'ajustage (9, 10, 11) dans la zone du receveur (1) d'une machine à imprimer des feuilles, dans lequel sont prévus au moins un dispositif de saisie (12) destiné à la saisie des caractéristiques spécifiques des feuilles et de la machine à imprimer et au moins un dispositif de calcul (13) pour le traitement ultérieur des caractéristiques et dans lequel il est prévu en outre un dispositif de commande (14), qui procède pour les différents éléments d'ajustage (9, 10, 11) à un réglage dépendant du format selon les caractéristiques saisies, caractérisé en ce que le dispositif de calcul (13) calcule, à partir des caractéristiques, l'énergie de la feuille (6) parvenant dans le receveur, en ce que le dispositif de calcul (13) détermine en outre, conformément aux valeurs d'énergie calculées, les grandeurs de commande du rouleau d'aspiration (9) et/ou la came d'ouverture des pinces (10) et/ou les buses de soufflage (11) sur la pile de sortie (7), de manière que l'énergie prélevée par ces éléments correspondent sensiblement à l'énergie de la feuille (6) parvenant dans la zone du receveur et en ce que le dispositif de commande (14) commande le rouleau d'aspiration (9) et/ou la came d'ouverture des pinces (10) et/ou les buses de soufflage (11) sur la pile de sortie (7), conformément aux valeurs calculées.
  2. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de calcul (14) calcule la force d'aspiration (F) du rouleau d'aspiration (9) suivant la formule F = m * v2 2 * µ * s m étant la masse de la feuille (6), v la vitesse de la feuille (6) parvenant dans le receveur, µ le coefficient de friction et s la longueur du papier, sur laquelle agit la force d'aspiration (F) du rouleau d'aspiration (9).
  3. Dispositif selon la revendication 2, caractérisé en ce que sont prévus des dispositifs de saisie (12), qui envoient au dispositif de calcul (13) des informations relatives à l'application sur la feuille d'encre, de vernis, d'agent de mouillage et/ou de poudre et en ce que le dispositif de calcul (13) tient compte de cette augmentation de masse lors du calcul de l'énergie de la feuille (6) parvenant dans le receveur.
  4. Dispositif selon la revendication 2 ou 3, caractérisé en ce que dans le cas où la force maximale d'aspiration (Fmax) du rouleau d'aspiration (9) est atteinte, le dispositif de calcul (13) calcule la longueur (s) du papier, sur laquelle agit la force d'aspiration (F) du rouleau d'aspiration (9), selon la formule s = m * v2 2 * µ * Fmax
  5. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le dispositif de calcul (13) calcule, en fonction de l'énergie avec laquelle la feuille (6) parvient dans le receveur, la longueur de papier (s), sur laquelle agit la force d'aspiration (F) du rouleau d'aspiration (9), selon la formule s = m * v2 2 * µ * F et en ce que le dispositif de commande (14) commande la came d'ouverture des pinces (10) conformément aux valeurs calculées.
  6. Dispositif selon la revendication 5, caractérisé en ce que dans le cas où la longueur de papier (smax) maximale possible est atteinte, le dispositif de calcul (13) calcule la force d'aspiration (F) du rouleau d'aspiration (9) selon la formule F = m * v2 2 * µ * smax et en ce que le dispositif de commande (4) commande le rouleau d'aspiration (9) conformément aux valeurs calculées.
  7. Dispositif selon une ou plusieurs des revendications précédentes, caractérisé en ce qu'il est prévu un dispositif de saisie (12), par lequel l'imprimeur influence la force d'aspiration (F) du rouleau d'aspiration (9) ou la longueur de papier (s), sur laquelle agit la force d'aspiration (F) du rouleau d'aspiration (9), au moyen d'un facteur de correction k.
  8. Dispositif selon la revendication 4 et/ou 6, caractérisé en ce qu'il est prévu un dispositif de saisie (12), par lequel l'imprimeur peut introduire un facteur de correction k, en ce que le dispositif de calcul (13) tient compte de ce facteur de correction k lors du calcul de la force d'aspiration (F) du rouleau d'aspiration (9) ou pour la longueur de la feuille de papier (s) et en ce que dans le cas où la limite de réglage de la force d'aspiration (Fmax) ou la longueur maximale de la feuille de papier (smax) est atteinte, le facteur de correction (k) est repris pour calculer la longueur du papier (s), sur laquelle agit la force d'aspiration (F) du rouleau d'aspiration (9), ou pour calculer la force d'aspiration (F).
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce qu'à la fin d'un travail d'impression, le facteur de correction (k) est repris dans la mémoire du dispositif de calcul (13).
  10. Dispositif selon la revendication 1, caractérisé en ce que le dispositif de commande (14) commande le dispositif à poudre de manière qu'en fonction de la vitesse de la machine, la quantité de poudre appliquée par unité de surface, reste constante.
  11. Dispositif selon la revendication 10, caractérisé en ce que le dispositif de calcul (13) calcule la quantité de poudre en fonction de la hauteur définitive de la pile.
  12. Dispositif selon la revendication 1, caractérisé en ce qu'au dispositif de commande (14) peuvent être envoyées, par le dispositif de saisie (12), des données concernant la distribution de la masse d'une feuille (6) imprimée et en ce que le dispositif de commande (14) commande les buses de soufflage de manière que sur la surface de la feuille (6) soit produite une distribution de la pression qui est corrélée avec la distribution de la masse de la feuille (6).
EP92916319A 1991-08-16 1992-07-18 Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer Expired - Lifetime EP0553321B2 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE4127095 1991-08-16
DE4127095 1991-08-16
DE4201480A DE4201480C2 (de) 1992-01-21 1992-01-21 Einrichtung zum Ablegen von bedruckten Bogen auf einen Stapel
DE4201480 1992-01-21
DE4220582A DE4220582A1 (de) 1991-08-16 1992-06-24 Einrichtung zur regelung und/oder steuerung einzelner stellelemente im auslegerbereich einer druckmaschine
DE4220582 1992-06-24
PCT/EP1992/001641 WO1993003990A1 (fr) 1991-08-16 1992-07-18 Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer

Publications (3)

Publication Number Publication Date
EP0553321A1 EP0553321A1 (fr) 1993-08-04
EP0553321B1 EP0553321B1 (fr) 1995-06-07
EP0553321B2 true EP0553321B2 (fr) 1999-08-18

Family

ID=27202822

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92916319A Expired - Lifetime EP0553321B2 (fr) 1991-08-16 1992-07-18 Dispositif pour la regulation et/ou la commande de differents elements margeurs au voisinage du receveur de feuilles d'une machine a imprimer

Country Status (6)

Country Link
EP (1) EP0553321B2 (fr)
JP (1) JP3210015B2 (fr)
AT (1) ATE123471T1 (fr)
CA (1) CA2093360C (fr)
DE (1) DE59202456D1 (fr)
WO (1) WO1993003990A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0924605A (ja) 1995-06-22 1997-01-28 Grapha Holding Ag 紙葉もしくは印刷全紙および入紙を結束された製品に処理するための装置の処理効率を最適化するための方法およびこの方法を実施するための装置
DE19715964C1 (de) * 1997-04-17 1998-11-19 Roland Man Druckmasch Blas- und/oder Saugluftversorgung für eine Druckmaschine
DE19730042C2 (de) * 1997-07-14 2003-06-12 Roland Man Druckmasch Vorrichtung zur Steuerung einer Bogenführung in einer Bogendruckmaschine
DE10000308A1 (de) 2000-01-05 2001-07-12 Heidelberger Druckmasch Ag Luftleitsystem in einer Bogendruckmaschine
DE50115825D1 (de) * 2000-10-26 2011-05-05 Koenig & Bauer Ag Bogenleiteinrichtung in Druckmaschinen zur Unterstützung der Bogenführung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3708925C2 (de) * 1986-04-30 1995-08-31 Heidelberger Druckmasch Ag Einrichtung zur Steuerung oder Regelung von Betriebsvorgängen an einer Rotations-Offset-Bogendruckmaschine

Also Published As

Publication number Publication date
JPH06504023A (ja) 1994-05-12
EP0553321A1 (fr) 1993-08-04
CA2093360A1 (fr) 1993-02-17
JP3210015B2 (ja) 2001-09-17
ATE123471T1 (de) 1995-06-15
WO1993003990A1 (fr) 1993-03-04
EP0553321B1 (fr) 1995-06-07
DE59202456D1 (de) 1995-07-13
CA2093360C (fr) 1998-12-15

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