EP1693326B1 - Changeur de rouleaux d'une presse rotative - Google Patents

Changeur de rouleaux d'une presse rotative Download PDF

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Publication number
EP1693326B1
EP1693326B1 EP06003335A EP06003335A EP1693326B1 EP 1693326 B1 EP1693326 B1 EP 1693326B1 EP 06003335 A EP06003335 A EP 06003335A EP 06003335 A EP06003335 A EP 06003335A EP 1693326 B1 EP1693326 B1 EP 1693326B1
Authority
EP
European Patent Office
Prior art keywords
support arm
arm segments
reel
segments
distance
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.)
Not-in-force
Application number
EP06003335A
Other languages
German (de)
English (en)
Other versions
EP1693326A3 (fr
EP1693326A2 (fr
Inventor
Frank Pauer
Roland Birke
Bernd Mehlis
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.)
Manroland AG
Original Assignee
Manroland 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 Manroland AG filed Critical Manroland AG
Publication of EP1693326A2 publication Critical patent/EP1693326A2/fr
Publication of EP1693326A3 publication Critical patent/EP1693326A3/fr
Application granted granted Critical
Publication of EP1693326B1 publication Critical patent/EP1693326B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
    • 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
    • B65H2511/22—Distance

Definitions

  • the invention relates to a roll changer of a web-fed printing press according to the preamble of claim 1.
  • Role changers of web presses take over primarily three main tasks, first, the unwinding of a substrate web from a Beyakstoffrolle with a defined web speed, secondly the application of a defined web tension on5.spulende substrate web and third, the execution of a roll change between a leaking Beyakstoffrolle and a new Betikstoffrolle.
  • Reel changers are also referred to as roller carriers.
  • Such reel changers are eg in the JP 62-088755A , which is considered to be the closest state, as well as in EP 0 849 201 A1 and US 4,773,609 A ,
  • a new printing material roll is mounted or clamped on a support arm of the roll changer which is assigned to a support shaft thereof, wherein the clamped printing material roll is then moved by pivoting the support shaft into a working position.
  • the position of the support shaft or of the support arm, in which a new Bedstofstofrolle can be clamped to a support arm, is also referred to as a charging mode.
  • the working position of the support shaft or the support arm is also referred to as a production mode.
  • the clamping of a new Beyakstoffrolle in the so-called loading mode on a support arm of the roll changer is characterized in that Tragarmsegmente of the support arm are driven by increasing the relative distance between them apart to position a new Beyakstoffrolle between Tragarmsegmenten, then the Tragarmsegmente while reducing the relative distance between the same be moved toward each other to clamp the Betikstoffrolle on so-called mandrels of Tragarmsegmente a support arm.
  • In the clamped state of a Beyakstoffrolle therefore have the Tragarmsegmente the corresponding support arm a defined relative distance to each other.
  • photoelectric sensors are very sensitive, have to be cleaned frequently and are therefore very maintenance-intensive. Furthermore, intensive or complex adjustments are required before commissioning of the photoelectric sensors. If a photocell-based security system is to be suitable for printing paper rolls with different tube diameters, a large number of sensors must be used, which entails high costs.
  • the present invention is based on the problem of providing a novel roll changer of a web-fed printing press.
  • the reel changer comprises a security system operating independently of the control system, which likewise monitors the relative distance between the support arm segments of the or each support arm in the production mode and blocks the respective support arm segments in the event of an impermissible distance deviation, the security system operating independently of the control system comprising a travel measuring device per support arm segment interact with an evaluation device.
  • a safety system operating independently of the control system which monitors the relative distance between the support arm segments of the respective support arm based on path measuring devices in the production mode and blocks the same with an impermissible distance deviation between the support arm segments.
  • the security system of the roll changer according to the invention is substantially less expensive and less susceptible to interference than the safety-based safety system known from practice.
  • encoder of the respective Tragarmsegments serves. The encoders cooperate with counters, the counters being incremented by the encoders depending on the direction of displacement of the support arm segments up or down. Encoders and counters form digital path measuring devices. In the case where the difference of the counters deviates by a certain value from a desired value, it is possible to conclude that an incorrect distance deviation of the support arm segments in order to block them.
  • analog displacement measuring devices can also be used which use potentiometers as position sensors of the respective support arm segments, in which case the relative distance between the support arm segments of the respective support arm can be monitored by comparing the potentiometer values.
  • the safety system also monitors the relative distance between the Tragarmsegmenten a support arm in the loading mode, but only in production mode, the Tragarmsegmente of the respective support arm are blocked at an impermissible distance deviation.
  • Fig. 1 shows a highly schematic of a section of a reel changer 10 according to the invention in the region of a support shaft 11, wherein the support shaft 11 about a longitudinal central axis 12 thereof in the direction of the arrow 13 is rotatable.
  • Fig. 1 shows one of the support shaft 11 associated support arm 14 for storing or clamping a Beyakstoffrolle not shown on the support arm 14, wherein in addition to the in Fig. 1 illustrated support arm 14 of the support shaft 11 may be associated with further support arms.
  • a support shaft 11 of a reel changer is associated with two or three support arms.
  • Each support arm 14 of the roll changer 10 is formed by preferably two support arm segments 15 and 16.
  • the Tragarmsegmente 15 and 16 are mounted on the support shaft 11 such that they can be moved independently of each other in the direction of the arrows 17 and 18 parallel to the longitudinal center axis 12 of the support shaft 11 and moved.
  • Each of the Tragarmsegmente 15 and 16 is driven separately from a non-illustrated motor and also not shown frequency converter.
  • the Tragarmsegmente 15 and 16 of in Fig. 1 illustrated support arm 14 of the roll changer 10 of the invention are used for storage or clamping a Beyakstoffrolle and further handling of Betikstoffrolle in a roll change or when removing a printing material from the respective Beyakstoffrolle.
  • the clamping of a Beyakstoffrolle takes place in a so-called loading mode of the support arm 14 and the support shaft 11;
  • the reel change and the removal of the printing material web in a so-called production mode of Tragarms14 or the support shaft 11.
  • Charge mode and production mode are determined by the rotational position or angular position of the support shaft 11 and the respective support arm 14th
  • Fig. 1 shows the support arm 14 in the so-called charging mode of the same, the charging mode is detected by a trained as a button sensor 19 which monitors or scans the angular position of the support shaft 11. In the charging mode, the sensor 19 closes a switch 20, in the production mode, however, the switch 20 is opened.
  • a trained as a button sensor 19 which monitors or scans the angular position of the support shaft 11.
  • the sensor 19 closes a switch 20, in the production mode, however, the switch 20 is opened.
  • Fig. 1 Charge mode shown are the two Tragarmsegmente 15 and 16 of the support arm 14 in the direction of the arrows 17 and 18 independently of each other by varying the relative distance between them movable.
  • the relative distance between the Tragarmsegmenten 15 and 16 can be increased for storing or clamping a paper roll to the Tragarmsegmenten 15 and 16 of the support arm 14 so that a Beyakstoffrolle between mandrels 21 and 22 of Tragarmsegmente 15 and 16 can be positioned.
  • the Tragarmsegmente 15 and 16 are moved toward each other while reducing the relative distance thereof and the mandrels 21 and 22 inserted into a sleeve of Beyakstoffrolle to clamp the same on the Tragarmsegmenten 15 and 16.
  • a in such a manner on the Tragarmsegmenten 15 and 16 of the support arm 14 clamped Beyakstoffrolle is then transferred from the reel changer by pivoting the support shaft 11 from the loading mode in the production mode and a further handling fed. It is important that in the production mode, the relative distance between the Tragarmsegmenten 15 and 16 does not change inadmissible, so as to ensure that a clamped Beyakstoffrolle not inadvertently from the support arm 14 and the Tragarmsegmenten 15 and 16 dissolves.
  • the relative position of the support arm segments 15 and 16 can be monitored by means of a control system of the reel changer 10.
  • the control system of the reel changer 10 monitors in production mode the relative distance between the Tragarmsegmenten 15 and 16 of a support arm 14. In an impermissible distance deviation of Tragarmsegmente 15 and 16, the same or the motors thereof are blocked.
  • the control system is designed in particular as a PLC control system and monitors the relative distance between the support arm segments 15 and 16 on the basis of signals provided by absolute encoders.
  • the reel changer 10 comprises a security system independently operating from the control system, which also monitors the relative distance between the Tragarmsegmenten 15 and 16 of a support arm 14 in production and blocked at an impermissible distance deviation the Tragarmsegmente 15 and 16 and the motors thereof ,
  • the safety system operating independently of the control system comprises, per support arm segment 15 and 16, a displacement measuring device which interacts with an evaluation device.
  • the path measuring devices are designed as digital path measuring devices and are formed by encoders 23, 24 and counters 25, 26.
  • the safety system operating independently of the control system comprises, per support arm segment 15 and 16 of a support arm 14, an encoder 23 and 24, respectively.
  • the encoders 23 and 24 form position sensors of the respective support arm segment 15 and 16, respectively.
  • the encoders 23 and 24 each have a counter 25 or 26 together.
  • the counters 25 and 26 are incremented via the encoder 23 and 24, either up or down.
  • the counters are incremented upward and, in the case of a movement to the left, are incremented correspondingly downward.
  • a difference is formed from the counter readings of the respective counters 25 and 26, the difference between the counters 25 and 26 determining the relative distance of the support arm segments 15 and 16 of a support arm 14. Then, if in the production mode, the difference of the counter readings of the counters 25 and 26 deviates by a certain value from a desired value, it can be concluded that an impermissible distance deviation of the Tragarmsegmente 15 and 16.
  • the block 27 or the safety system operating independently of the control system blocks the support arm segments 15 and 16 or the motors thereof. Otherwise, the Tragarmsegmente 15 and 16 while maintaining their relative distance a clamped Betigstoffrolle move relative to the support shaft 11 or process.
  • the above-mentioned target value for the difference between the counters 25 and 26 and thus the desired distance between the Tragarmsegmenten 15 and 16 is determined by the distance of the Tragarmsegmente 15 and 16 after clamping a Beyakstoffrolle on the support arm 14 in the loading mode.
  • the safety system also monitors the relative distance between the Tragarmsegmenten 15 and 16 by incrementing the respective counters 25 and 26 in the loading mode, the block 27 but only in production mode with open switch 20 at an impermissible distance deviation, the Tragarmsegmente 15 and 16 blocked.
  • the Tragarmsegmente 15 and 16 are also movable when based on the counter readings 25 and 26, the distance between the Tragarmsegmenten 15 and 16 increased by an inadmissible production mode measure.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Claims (8)

  1. Changeur de bobines d'une machine d'impression à bobines comportant :
    - un axe de support (11) et au moins un bras de support (14) formé d'au moins deux segments de bras de support (15, 16),
    - en mode de chargement, une bobine de matière d'impression est montée, serrée sur les segments (15, 16) du bras de support (14) ou de chaque bras de support (14), et
    - en mode de production, la bobine de matière d'impression peut être déplacée en étant montée, fixée, sur le bras de support (14) par les segments de bras de support (15, 16) par rapport à l'axe de support (11), et
    un système de commande,
    - le système de commande surveillant en mode de production, la distance relative entre les segments de bras de support (15, 16) du ou de chaque bras de support (14) et en cas d'écart non autorisé de la distance, le système de commande bloque les segments de bras de support respectifs,
    changeur de bobines caractérisé par
    un système de sécurité fonctionnant indépendamment du système de commande et qui, également en mode de production, surveille la distance relative entre les segments de bras de support (15, 16) du ou de chaque bras de support (14) et bloque les segments de bras de support (15, 16) respectifs en cas d'écart inacceptable de la distance,
    le système de sécurité fonctionnant indépendamment du système de commande comporte pour chaque segment de bras de support (15, 16) une installation de mesure de course et ces installations coopèrent avec une installation d'exploitation.
  2. Changeur de bobines selon la revendication 1,
    caractérisé en ce que
    pour chaque segment de bras de support (15, 16) le système de sécurité comporte un codeur (23, 24) et un compteur (25, 26) constituant une installation de mesure de course,
    * les codeurs (23, 24) comme générateurs de position du segment de bras de support respectifs, incrémentent ou décrémentent les compteurs (25, 26) en fonction de la direction du déplacement des segments de bras de support (15, 16),
    * et ensuite si la différence des compteurs (25, 26) s'écarte d'une valeur déterminée par rapport à une valeur de consigne, le système conclut à un écart de distance non autorisé des segments de bras de support (15, 16) et bloque les segments de bras de support (15, 16).
  3. Changeur de bobines selon la revendication 2,
    caractérisé en ce que
    le système de sécurité comporte une installation d'exploitation (27) formée par un générateur de différence qui retranche les états de comptage des compteurs (25, 26) et surveille si la différence des compteurs (25, 26) ou des états de comptage diffère d'une valeur déterminée par rapport à la valeur de consigne.
  4. Changeur de bobines selon la revendication 2 ou 3,
    caractérisé en ce que
    la valeur de consigne se détermine en mode de chargement à partir de la distance des segments de support (15, 16) après le montage et le serrage d'une bobine de matière d'impression sur le bras de support (14).
  5. Changeur de bobines selon une ou plusieurs des revendications 1 à 4,
    caractérisé en ce que
    le système de commande comporte un générateur de valeur absolue comme générateur de position des segments de bras de support (15, 16).
  6. Changeur de bobines selon une ou plusieurs des revendications 1 à 5,
    caractérisé en ce qu'
    en mode de chargement, le système de sécurité surveille également la distance relative entre les segments de bras de support (15, 16) d'un bras de support (14) mais ne bloque les segments (15, 16) du bras de support respectif qu'en mode de production, en cas d'écart de distance non autorisé.
  7. Changeur de bobines selon une ou plusieurs des revendications 1 à 6,
    caractérisé en ce que
    le mode de chargement et le mode de production se déterminent en fonction de la position angulaire de l'axe de support (11).
  8. Changeur de bobines selon une ou plusieurs des revendications 1 à 7,
    caractérisé en ce que
    chaque segment de support (15, 16) est entraîné par un moteur séparé,
    * en mode de production, le système de commande et/ou le système de sécurité bloquant les moteurs respectifs en cas d'écart de distance non autorisé des segments de support (15, 16) pour bloquer ceux-ci.
EP06003335A 2005-02-22 2006-02-18 Changeur de rouleaux d'une presse rotative Not-in-force EP1693326B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005008168A DE102005008168A1 (de) 2005-02-22 2005-02-22 Rollenwechsler einer Rollendruckmaschine

Publications (3)

Publication Number Publication Date
EP1693326A2 EP1693326A2 (fr) 2006-08-23
EP1693326A3 EP1693326A3 (fr) 2007-06-27
EP1693326B1 true EP1693326B1 (fr) 2012-02-01

Family

ID=36440942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06003335A Not-in-force EP1693326B1 (fr) 2005-02-22 2006-02-18 Changeur de rouleaux d'une presse rotative

Country Status (3)

Country Link
US (1) US20060186259A1 (fr)
EP (1) EP1693326B1 (fr)
DE (1) DE102005008168A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008058966A1 (de) * 2008-11-25 2010-05-27 Robert Bosch Gmbh Verfahren zum Verhindern einer nicht veranlassten Freigabe eines Objektes
US8534593B2 (en) * 2011-02-23 2013-09-17 Greif Packaging Llc Method and apparatus for aligning a paper roll

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Also Published As

Publication number Publication date
US20060186259A1 (en) 2006-08-24
EP1693326A3 (fr) 2007-06-27
DE102005008168A1 (de) 2006-08-31
EP1693326A2 (fr) 2006-08-23

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