EP2485974A1 - Dispositif pour couper des bandes de papier - Google Patents

Dispositif pour couper des bandes de papier

Info

Publication number
EP2485974A1
EP2485974A1 EP09783775A EP09783775A EP2485974A1 EP 2485974 A1 EP2485974 A1 EP 2485974A1 EP 09783775 A EP09783775 A EP 09783775A EP 09783775 A EP09783775 A EP 09783775A EP 2485974 A1 EP2485974 A1 EP 2485974A1
Authority
EP
European Patent Office
Prior art keywords
paper
webs
cutting
paper webs
container
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.)
Granted
Application number
EP09783775A
Other languages
German (de)
English (en)
Other versions
EP2485974B1 (fr
Inventor
René KRÖHNERT
Wolfgang Freyer
Beat Kipfer
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.)
Kern AG
Original Assignee
Kern 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 Kern AG filed Critical Kern AG
Publication of EP2485974A1 publication Critical patent/EP2485974A1/fr
Application granted granted Critical
Publication of EP2485974B1 publication Critical patent/EP2485974B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • 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
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/215—Accumulators supported by vacuum or blown air
    • 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
    • Y10T83/0448—With subsequent handling [i.e., 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
    • Y10T83/04—Processes
    • Y10T83/0448—With subsequent handling [i.e., of product]
    • Y10T83/0453—By fluid application
    • 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
    • Y10T83/2066—By fluid current
    • 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
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction 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
    • Y10T83/2074—Including means to divert one portion of product from another
    • Y10T83/2083—Deflecting guide
    • 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
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2207—Means to move product in a nonrectilinear path

Definitions

  • the present invention relates generally to a
  • Paper webs are longitudinally cut and prepared for a cyclic feed and a trigger assembly for the controlled withdrawal of the cut paper in the region of the cross-cutting device.
  • Cutting devices have been known for some time. They are mainly used for cropping printed matter
  • Used paper webs such as those of larger companies in the service sector, such as financial or
  • Paper feeder for the cutting device For a safe and for all purposes qualitatively sufficient
  • Cross-cutting device is moved at different speeds, or different phases of movement
  • Paper feed corresponds and the operating speed of the permanently operating device makes.
  • Cutting device is dammed (brake or
  • From DE 100 11 006 is a device for cutting paper webs operated by a blower
  • EP 1 741 653 describes that first the
  • Paper web is cut longitudinally and then the two separate webs are fed via a respective large, loosely hanging loop of the cross-cutting device.
  • This device is due to the relatively large
  • Paper feed with the discontinuous operation in the cross-cutting device is such that no
  • Another object of the present invention is to break the discontinuities in the discontinuous part In the case of the cross-separation means to keep as short as possible and thus to accelerate the withdrawal of the cut paper.
  • According to the present invention is accordingly a device for cutting paper webs with a largely continuously operated range of
  • Batch area provided for discontinuous area, for coupling the continuous and discontinuous area, at least one open-topped, box-like container, in which the paper web or the paper webs are guided hanging looped.
  • a negative pressure can be generated, such that the paper web is driven or pulled into the container and optionally against the side walls.
  • the buffer area is arranged according to a variant according to a longitudinal cutting device, in which at least two longitudinal tracks are generated, which in the
  • Container are performed at least two separate and juxtaposed webs, or the two webs are guided in two juxtaposed containers.
  • the container or containers have a U-shaped cross-section, for example, suction openings or a suction fan in the bottom of the container for generating a negative pressure may be arranged to pull the paper webs down. But it is also possible, further in the side walls of the container suction elements
  • Longitudinal webs are generated, according to the paper webs thus produced can be looped into a container, pulled, or it can be arranged next to each other or offset side by side according to three or more containers to pull the respective paper webs for the compensation in the container.
  • braking zone by, for example, along a negative pressure is generated below the paper webs leaving the container or containers in order to prevent uncontrolled paper movement. Since the paper webs leaving the buffer zone are briefly stopped and accelerated again in the region of the transverse cutting, there is a risk of so-called overshoot on exiting the paper webs from the vacuum box described above, which can lead to bulging or tearing of the paper webs. For this reason, it is proposed according to the invention to provide, for example each subsequent to the so-called vacuum box in the swept through the paper webs surface suction holes, by means of which below the paper web, a negative pressure can be generated. The generated negative pressure is control-coupled with the transverse cutting process or the transport rollers upstream of the transverse cutting process, so that a braking effect is generated when the transport or during the paper delay, by means of the negative pressure.
  • Cross separation device downstream transport device is controllable such that they at least temporarily can be deactivated when feeding the paper web by one of the cross-cutting device upstream
  • Transport device is deactivated, so that the paper web is inserted without resistance in the region of the transverse separation.
  • Transport device activated to transport away the cut paper. It may, for example, be two rollers or rollers engaged for transport, one roller or roller being movable away from the other during insertion of the paper web and driven against the other roller or roller at or shortly before or shortly before transverse separation ,
  • the transverse separation takes place by means of a
  • Cutting element which has two cutting edges, such that with each movement of the cutting element, that is, upwards or downwards, a transverse separation of the
  • Paper web can be effected.
  • Buffer area and cross-separation to provide an assembly, comprising inclined sliding tubes to the at least two parallel, in advance
  • the sliding tubes are preferably equipped with blown air to smear or stick together the Paper webs to prevent further preferred embodiments of the inventive device are characterized in dependent claims.
  • FIG. 1 schematically in longitudinal section a
  • Fig. 2 shows the system of Figure 1 schematically in
  • FIG. 5 shows schematically in section and in section the region of the transverse separation of the installation from FIG. 1.
  • Figure 1 shows a longitudinal section schematically a plant for cutting paper webs both in the longitudinal and in the transverse direction.
  • the paper web 3 is almost
  • the enema can be done with a manual
  • Cross section knife to facilitate feeding.
  • the reading zone 7 is arranged directly after the inlet and is designed to be short for reading, preferably from above and from below over the entire width of the form. For a few rare exceptions, however, it is possible to start / stop at reduced power in the
  • the paper web is by means of the reading zone. 7
  • the drive is regulated in such a way that the most uniform possible web run is achieved
  • Control information preferably from the reading (or number of sheets in applications without reading), drive with the subsequent knife, application specifications such as form height, speed, acceleration ramps, loop length, etc.
  • the web is then pushed through the central cutting blade and the webs separated in the middle are fed further to the buffer zone 15, like the vacuum box 12 shown schematically in FIG. 1. Whether these are provided by suction, for example works with a suction fan in the bottom 17 from below or with
  • Blowing in air from above is to be optimized in each case on the basis of the given conditions.
  • An important point of the present invention is the novel arrangement of the separate loop produced by the central cut for the coupling of the continuous operation in the paper feed with the discontinuous operation in the subsequent
  • Plant longitudinal direction can also be arranged offset to one another.
  • the buffer region 15 is arranged below the central section, that is, in the vacuum box 12, the two webs are already separated and the two loops 3 'and 3' 'side by side
  • the two loops of the two partial webs may have a different length. Both partial loops are at the inlet and outlet in the same plane.
  • FIG. 3 a the buffer area 15 is shown in detail, schematically and in section.
  • FIG. 3b shows the buffer area 15 in perspective.
  • analogous results can be achieved as by suction from below, for example by means of suction fan through corresponding openings 18th
  • the vacuum box 12 can be a vertical one in the middle
  • Angle parts 22 ' is present, depending on
  • suction holes 26 in the abutment surface formed by the paper webs 3 'and 3 ", as shown schematically in FIG. So if the two paper webs 3 'and 3' 'or only one of them by the following a so-called
  • Mergertician 23 arranged transport devices 24th respectively. 25 stopped in order to accomplish a transverse separation of one or both paper webs, takes place
  • Brake elements such as brushes, rollers and the like can lead to Tonerverschmierung the printed paper webs. Also, the braking effect can be fast in the
  • Paper acceleration can be reversed to prevent tearing while maximizing the paper delay
  • a so-called merger unit 23 is provided, in which the two paper webs 3 'and 3' ', for example by means of inclined sliding tubes on different
  • Paper webs are well known in the art.
  • these sliding tubes of the merging unit 23 are equipped, for example, with blown air. From the inclined tubes exit the partial webs at different levels, as clearly visible in Figure 1. This different height is needed to make room for the two subsequent drives 24 and 25.
  • the merger unit is adjustable for one-way, logical and illogical. In the single-track case, the tube axes run transversely to the belt direction. The two partial webs 3 'and 3''converge from their two planes on the shortest possible transport path to
  • Cross cutting unit The two drives 24 and 25 run in start-stop mode.
  • the subsequent transverse separation can be effected for example by means of a conventional cutting element, the invention proposes the
  • Forward transport of the paper webs is arranged downstream of the transverse separation transport device 29 is deactivated insofar as, for example, a guide roller or guide roller 41 of the drive roller or drive roller 43 is disposed in position 1, so that the
  • Paper web without resistance through the resulting gap can be pushed. Only shortly before or during the cutting process or at or shortly after the end of the cutting process by means of, for example, a cutting knife 27, the guide roller or roller 41 against the
  • the mode of operation of the transport device 29 may also be such that the uncut web is transported through the take-off rollers after the cut sheet 31 has been removed. Then the take-off roller is lifted as described above, so that at least just before cutting the train can stretch without resistance.
  • the trigger or guide roller 41 is delivered only during the cut, that is driven against the drive roller 43. But it is also possible to do so already very shortly before the cut to fix the cut sheet. In other words, there is a synchronous
  • the transport means 24 and 25 and on the other hand the transport means 29 comprising the two rollers or rollers 41 and 43.
  • a second drive is required in the entrance area, for example by the existing central drive laterally offset and a second drive is arranged.
  • 3.4 or more tracks can be performed in parallel next to each other, be it by already feeding several tracks or by one or two tracks are cut several times.
  • FIGS. 1 to 4 serves primarily to explain the present invention.
  • system can be configured differently or supplemented by other elements. It is also possible to modify the selected parts of the system.

Landscapes

  • Advancing Webs (AREA)
  • Replacement Of Web Rolls (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

L'invention concerne un dispositif pour couper des bandes de papier qui comprend une zone d'alimentation en papier fonctionnant dans une très large mesure en continu ainsi qu'une zone discontinue de séparation transversale de la bande de papier. Il est prévu, pour accoupler la zone continue et la zone discontinue, une zone tampon (15) dans laquelle se trouve au moins un récipient (17) en forme de boîte, ouvert vers le haut, dans lequel la bande de papier ou encore les bandes de papier (3, 3') est ou sont guidées en boucle en pendant librement. La zone tampon est disposée après un dispositif de coupe longitudinale (9) destiné à produire au moins deux bandes longitudinales (3, 3') par lequel au moins deux bandes s'étendant séparément l'une à côté de l'autre sont guidées dans le récipient, ou il y a au moins deux récipients disposés l'une à côté de l'autre ou de manière décalée l'un à côté de l'autre dans lesquels les bandes de papier sont guidées.
EP09783775.1A 2009-10-06 2009-10-06 Dispositif pour couper des bandes de papier Active EP2485974B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/062948 WO2011042047A1 (fr) 2009-10-06 2009-10-06 Dispositif pour couper des bandes de papier

Publications (2)

Publication Number Publication Date
EP2485974A1 true EP2485974A1 (fr) 2012-08-15
EP2485974B1 EP2485974B1 (fr) 2015-11-25

Family

ID=42238246

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09783775.1A Active EP2485974B1 (fr) 2009-10-06 2009-10-06 Dispositif pour couper des bandes de papier

Country Status (6)

Country Link
US (1) US10106356B2 (fr)
EP (1) EP2485974B1 (fr)
JP (1) JP5574305B2 (fr)
CN (1) CN102639418B (fr)
BR (1) BR112012007941A2 (fr)
WO (1) WO2011042047A1 (fr)

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CN103879816B (zh) * 2014-03-10 2017-11-21 天津长荣印刷设备股份有限公司 一种铝箔引导输送系统及其工作方法
JP6387492B2 (ja) * 2014-04-14 2018-09-12 アイセル株式会社 シートテンション機構
CN106276366B (zh) * 2016-08-22 2018-04-13 中天智能装备有限公司 一种线缆渐张储带机及其渐张方法
CN107953465A (zh) * 2017-11-08 2018-04-24 横店集团东磁股份有限公司 一种用于分切超薄柔性磁片的自动切片机
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JP5574305B2 (ja) 2014-08-20
CN102639418A (zh) 2012-08-15
CN102639418B (zh) 2015-08-12
WO2011042047A1 (fr) 2011-04-14
BR112012007941A2 (pt) 2016-03-22
US20120222528A1 (en) 2012-09-06
EP2485974B1 (fr) 2015-11-25
JP2013506612A (ja) 2013-02-28
US10106356B2 (en) 2018-10-23

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