EP1595836B1 - Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen - Google Patents

Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen Download PDF

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Publication number
EP1595836B1
EP1595836B1 EP05015721A EP05015721A EP1595836B1 EP 1595836 B1 EP1595836 B1 EP 1595836B1 EP 05015721 A EP05015721 A EP 05015721A EP 05015721 A EP05015721 A EP 05015721A EP 1595836 B1 EP1595836 B1 EP 1595836B1
Authority
EP
European Patent Office
Prior art keywords
sheets
electrostatic
blowing
suction
cutting
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
EP05015721A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1595836A1 (de
Inventor
Günther Hagemann
Thorsten Gädtke
Frank Herpell
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.)
ECH Will GmbH and Co
Original Assignee
ECH Will GmbH and Co
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 ECH Will GmbH and Co filed Critical ECH Will GmbH and Co
Publication of EP1595836A1 publication Critical patent/EP1595836A1/de
Application granted granted Critical
Publication of EP1595836B1 publication Critical patent/EP1595836B1/de
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
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • B65H29/18—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains 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
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/16—Associating two or more webs
    • 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
    • B65H29/241—Suction devices
    • B65H29/242—Suction bands or belts
    • 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
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/004—Feeding articles separated from piles; Feeding articles to machines using electrostatic force
    • 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
    • B65H2301/4212—Forming a pile of articles substantially horizontal
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4433—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material
    • B65H2301/44334—Moving, forwarding, guiding material by acting on surface of handled material by means holding the material using electrostatic forces
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5132—Bringing electrostatic charge
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5133—Removing electrostatic charge
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
    • B65H2301/532—Modifying characteristics of surface of parts in contact with handled material
    • B65H2301/5322—Generating electrostatic charge at said surface

Definitions

  • the invention relates to an apparatus for processing a multilayer electrostatically chargeable web into individual superimposed sheets, comprising a conveyor for transporting the sheets, an electrostatic discharge device for electrostatically discharging the sheets, and a stack tray located downstream of the conveyor for forming stacks of the overlying sheets; wherein the electrostatic discharge device is arranged in the region of the stack tray and has a device for electrostatically charging compressed air with opposite polarity to the sheets and a blowing device for blowing this air against the sheets.
  • the relative movements between machine components and the material and / or within the material occurring during the further processing may result in electrostatic charges depending on the material and environmental conditions. These electrostatic charges may hinder the further processing in a subsequent device.
  • electrostatically charged material e.g. In the area of the conveyor device, anti-statics units installed fixedly over the entire working width are known which attempt to unload the material passing by them.
  • the short residence time of the material under these antistatic units during transport does not result in the desired complete discharge.
  • the material tends to recharge on its way to the stacker tray.
  • the invention now proposes to arrange in a device of the type mentioned the means for electrostatic charging of compressed air with respect to the arcs opposite polarity and the blowing device for blowing this air against the sheets in a housing whose one section limits the stack tray, a stop forms for the stack and having the blowing device.
  • the electrostatic discharge device is disposed in the upstream portion, preferably on the upstream side, of the stack tray.
  • the blowing device blows the air substantially against the trailing edges of the sheets.
  • the blowing device has a nozzle arrangement.
  • the portion of the housing defining the stack tray can be provided with openings for the blowing out of the air. These openings are stiffened so that they allow an acceleration of the exiting air with an electrostatic discharge effect in the direction of the forming stack.
  • the housing consists of an electrically non-conductive material.
  • the electrostatic discharge device is a deionization device.
  • suction means may be provided which sucks disturbing air between the stacking sheets with negative pressure effect.
  • the at least one cutting device for cutting the multilayer material web into corresponding superimposed sheets, an electrostatic charging device for electrostatic charging of the multilayer material web and a first located upstream of the cutting device and a first located downstream of the cutting device second conveying device for transporting the multilayer material web has the electrostatic charging device in the region of the first or the second conveying device adjacent to the cutting device.
  • the electrostatic charging device may be arranged essentially between the cutting device and the upstream or downstream thereof located second conveying device, but this does not preclude an overlapping arrangement with respect to the first or second conveying device, if the electrostatic charging device adjacent is arranged to the cutting device, so that an electrostatic charge of the material web can take place substantially immediately before or after cutting.
  • At least downstream of the cutting device located second conveyor device to an endlessly circulating conveyor belt assembly which need only consist of one or more sub-bands on which or rest of the multilayer material web cut superimposed sheets.
  • upper bands in the second conveyor can be dispensed with.
  • the omission of the upper strip web leads to considerable structural simplifications and thus to considerable savings.
  • adjustments such as adjustment of the tape positions to the formats or adjustment of the friction of the lower belts to the upper belts are not necessary as in the prior art.
  • the second conveyor from above easily accessible, which can be easier to eliminate interference.
  • the risk of damage to the transported sheets is reduced by the unobstructed free transport, which is particularly relevant for coated paper sheets due to their high sensitivity.
  • the second conveyor device may have a suction device, wherein expediently an upper run of the conveyor belt arrangement runs above the suction device. If the suction device has a suction surface, an upper run of the conveyor belt assembly should rest on such a suction surface. To increase the suction at least one sub-band should be perforated.
  • the electrostatic charging device is an ionizing device.
  • the cutting device should in particular have a cross cutter.
  • a first section of a paper processing machine with a cross cutter 2 is fragmentary in the Figures 1 and 2 in a schematic side view and in FIG. 3 generally shown in plan view.
  • the cross cutter 2 has a first knife roller 4 with a first knife 5 extending over the entire length of the knife roller 4 and a second knife roller 6 with a second knife 7 extending over the entire length of the knife roller 6.
  • the two cutter rollers 4, 6 rotate synchronously in opposite directions to each other in such a way that the two cutter bars 5, 7 meet to cut a running between the two cutter rollers 4, 6 multilayer paper web 10 into individual superimposed sheets 12.
  • FIG. 1 the multilayer paper web 10 and the individual superimposed sheets 12 cut therefrom are shown schematically only as one continuous line; this also applies to the rest FIG. 4 , which will be explained later.
  • a first conveying device For transporting the multilayer paper web 10 in the direction of the arrow A, a first conveying device is provided upstream of the cross cutter 2, which is not shown in the figures. Furthermore, downstream of the cross cutter 2 downstream of a second conveyor 20 is arranged, which has at least one over deflecting rollers 22, 24 endlessly circulating lower belt 26 which runs with its upper run 26a in the direction of the arrow A. Usually several sub-bands 26 are arranged transversely to the direction of the sheets 12 according to arrow A next to each other.
  • the multi-layer paper web 10 static charges.
  • the ionizing device 30 consists of a transverse to the paper direction according to arrow A extending lonisierstab. It is achieved by the ionizing device 30 that the individual paper layers of the multilayer paper material web 10 and thus of the subsequently cut sheets 12 cut by the cross cutter 2 adhere to one another and can not slip against one another.
  • the ionization device 30 is located downstream of the cross cutter 2 adjacent thereto and thus substantially between the cross cutter 2 and the second conveyor 20.
  • the separated sheets 12 are transported on upper runs 26a of the lower belts 26 of the second conveyor 20, whereby the individual sheets 12 can not open due to the electrostatic charge.
  • suction boxes 40 are provided, the upper side of which forms a suction surface 42, over which an upper run 26a of the upper belts 26 runs.
  • the suction boxes 40 are connected to a suction pump, not shown.
  • the suction surfaces 42, which carry the upper run 26a of the lower bands 26, are perforated, such as FIG. 3 lets recognize. In order to increase the suction power in the region of the lower bands 26, these are also perforated accordingly, which in FIG. 3 is also shown schematically.
  • the suction boxes 40 for adjustment and maintenance work removably, in particular pivotable downwards, to order.
  • the suction effect of individual selected suction boxes 40 can be switched off or turned on, which is advantageous for maintaining a constant negative pressure.
  • the second conveying device 20 which transports the sheets 12 to a subsequent overlapping station, not shown in the drawings, the usual upper bands are dispensed with. Therefore, the second conveyor 20 has no upper bands, whereby the conveyor line formed by the second conveyor 20 is structurally simplified and operatively accessible.
  • FIG. 2 schematically shows, in cross section, a further section of the paper-processing machine according to a preferred embodiment of the invention in the region of a stack tray 50, in which the sheets 12 arriving in a stack are stacked to form a stack 14.
  • Paper processing machines that strip web-like material from one or more rolls and process it into format stock are, in the majority of cases, designed to create a scaly overlapped stream of sheets 12 within the machine. This scale shape is necessary to avoid the high web take-off and transport speed, which, for reasons of productivity of the plant in which in the FIGS. 1 to 3 shown portion is selected to come to the lowest possible speed for the formation of the stack 14.
  • an all-sided closed housing 60 which consists of a non-conductive material.
  • the housing 60 has a compressed air connection 62, which is connected to a compressed air source, not shown, and is pumped by the compressed air in the direction of arrow B in the housing 60.
  • the housing 60 With its one side 64, the housing 60 delimits the stack tray 50.
  • This stack tray 50 facing side 64 of the housing 60 forms in the illustrated embodiment, a vertical flat surface to which the stack 14 is engageable.
  • the side 64 of the housing 60 takes over the function of the rear stack stop and at the same time takes over the Anrichtfunktion.
  • this vertical side 64 of the housing 60 may also be referred to as a rear-mounted implement.
  • the stack tray 50 In the conveying direction, the stack tray 50 is limited by a front end 68, which serves as a stop for the conveyed to the stack tray 50 sheets 12 and consists essentially of a vertically arranged plate body. Accordingly, the stack tray 50 facing side 64th of the housing 60 and the front-end user 68 are parts of a dressing mechanism or form the piecing mechanism.
  • a plurality of nozzle-shaped air outlet openings 66 are formed, in such a way that they form over the entire working width at regular intervals perpendicular drilling patterns. These openings 66 are designed such that they achieve an accelerated exit of the compressed air entering through the compressed air connection 62 compressed air in the direction of the forming stack.
  • the resulting air streams emerge essentially in the longitudinal direction of the sheets 14 forming the sheet 12 and are directed to the rear edges 12a. In this way, in the stack tray 50 between the sinking sheets 12 air cushion, which provide in conjunction with the already mentioned, but not shown piecing mechanism for an accurate edge formation of the resulting stack 14.
  • a de-ionizing device 70 is arranged in the illustrated embodiment within the housing 60, which preferably consists of an antistatic rod.
  • This deionizing device 70 ionizes the compressed air entering through the compressed air connection 62 in the housing 60 with respect to the arcs 12 opposite polarity, so that exiting the outlet openings 66 compressed air simultaneously exerts a de-ionizing effect on the sheets 12 of the forming stack 14.
  • the targeted introduction of blowing air with deionizing effect in the forming stack 14 both an electrostatic neutralization of the sheets 12 and the generation of the air cushion described above exactly on the Place where these effects must necessarily be present.
  • the housing 60 receives no electrically conductive connections.
  • the stack tray 50 is bounded below by a bottom 52 are piled on the sheets 12 to form the stack 14 and which is mounted by a mechanism, not shown, in the vertical direction according to double arrow C movable.
  • a mechanism not shown, in the vertical direction according to double arrow C movable.
  • a squeegee 80 is disposed in the lower region of the stack tray 50, which sucks with negative pressure disturbing air between the sheets 12 of the stack 14 in the illustrated embodiment in its lower region.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Pile Receivers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Elimination Of Static Electricity (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP05015721A 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen Expired - Lifetime EP1595836B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10344192 2003-09-22
DE10344192A DE10344192B4 (de) 2003-09-22 2003-09-22 Vorrichtung zur Verarbeitung von Stapel aus elektrostatisch aufladbaren Flachteilen
EP04022117A EP1516838B1 (de) 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP04022117A Division EP1516838B1 (de) 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen

Publications (2)

Publication Number Publication Date
EP1595836A1 EP1595836A1 (de) 2005-11-16
EP1595836B1 true EP1595836B1 (de) 2009-01-14

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EP05015721A Expired - Lifetime EP1595836B1 (de) 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen
EP04022117A Expired - Lifetime EP1516838B1 (de) 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen

Family Applications After (1)

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EP04022117A Expired - Lifetime EP1516838B1 (de) 2003-09-22 2004-09-17 Vorrichtung zur Verarbeitung von Stapeln aus elektrostatisch aufladbaren Flachteilen

Country Status (14)

Country Link
US (1) US20050077171A1 (enExample)
EP (2) EP1595836B1 (enExample)
JP (1) JP2005096997A (enExample)
KR (1) KR100704459B1 (enExample)
CN (1) CN1673057B (enExample)
AT (2) ATE420835T1 (enExample)
AU (1) AU2004212613A1 (enExample)
BR (1) BRPI0404018A (enExample)
CA (1) CA2482167A1 (enExample)
DE (3) DE10344192B4 (enExample)
ES (2) ES2318386T3 (enExample)
PT (2) PT1595836E (enExample)
RU (1) RU2364566C2 (enExample)
ZA (1) ZA200407562B (enExample)

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JP7386605B2 (ja) * 2017-11-30 2023-11-27 ミュラー・マルティニ・ホルディング・アクチエンゲゼルシヤフト ペーパーウェブの切断又は穿孔をするための装置及び方法
CN108214611A (zh) * 2018-01-29 2018-06-29 启东市美迅机械有限公司 一种横切机构
CN108622667A (zh) * 2018-04-16 2018-10-09 泉州市科盛包装机械有限公司 一种条烟稳定堆垛方法
CN112041175B (zh) * 2018-07-23 2022-06-03 惠普发展公司，有限责任合伙企业 介质传输
CN109434932A (zh) * 2018-09-30 2019-03-08 上海诗冠印刷有限公司 一种模切机的收料装置
CN113799478B (zh) * 2020-06-17 2023-09-12 菱铁（厦门）机械有限公司 一种薄膜印刷系统
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CN112141769B (zh) * 2020-10-24 2022-03-25 潍坊合一机械有限公司 一种元宝机及折纸工艺
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DE10144287A1 (de) * 2001-09-08 2003-04-03 Lohmann Therapie Syst Lts Verfahren zur elektrostatischen Fixierung von flächenförmigen Gegenständen auf einer Unterlage
DE10146919C1 (de) * 2001-09-24 2003-05-15 Koenig & Bauer Ag Vorrichtung zur Ausrichtung von in einer Lage übereinander angeordneten Bogen
DE10344192B4 (de) * 2003-09-22 2009-04-30 E.C.H. Will Gmbh Vorrichtung zur Verarbeitung von Stapel aus elektrostatisch aufladbaren Flachteilen

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DE10344192A1 (de) 2005-05-04
KR100704459B1 (ko) 2007-04-10
PT1595836E (pt) 2009-03-10
CN1673057A (zh) 2005-09-28
ES2306945T3 (es) 2008-11-16
RU2004128325A (ru) 2006-03-10
JP2005096997A (ja) 2005-04-14
KR20050029715A (ko) 2005-03-28
CA2482167A1 (en) 2005-03-22
EP1595836A1 (de) 2005-11-16
ATE398595T1 (de) 2008-07-15
DE502004007379D1 (de) 2008-07-31
BRPI0404018A (pt) 2005-05-24
PT1516838E (pt) 2008-09-26
CN1673057B (zh) 2010-11-24
RU2364566C2 (ru) 2009-08-20
ZA200407562B (en) 2005-07-01
EP1516838A3 (de) 2005-06-01
ATE420835T1 (de) 2009-01-15
EP1516838A9 (de) 2005-07-27
DE10344192B4 (de) 2009-04-30
ES2318386T3 (es) 2009-05-01
DE502004008868D1 (de) 2009-03-05
EP1516838A2 (de) 2005-03-23
AU2004212613A1 (en) 2005-04-07
US20050077171A1 (en) 2005-04-14
EP1516838B1 (de) 2008-06-18

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