EP1041029A2 - Méthode et dispositif pour extraire des inclusions d'air pendant la formation de piles de feuilles - Google Patents

Méthode et dispositif pour extraire des inclusions d'air pendant la formation de piles de feuilles Download PDF

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Publication number
EP1041029A2
EP1041029A2 EP00105265A EP00105265A EP1041029A2 EP 1041029 A2 EP1041029 A2 EP 1041029A2 EP 00105265 A EP00105265 A EP 00105265A EP 00105265 A EP00105265 A EP 00105265A EP 1041029 A2 EP1041029 A2 EP 1041029A2
Authority
EP
European Patent Office
Prior art keywords
air
stack
sheets
arrangement according
stacks
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
EP00105265A
Other languages
German (de)
English (en)
Other versions
EP1041029B1 (fr
EP1041029A3 (fr
Inventor
Bernd Ramcke
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 EP1041029A2 publication Critical patent/EP1041029A2/fr
Publication of EP1041029A3 publication Critical patent/EP1041029A3/fr
Application granted granted Critical
Publication of EP1041029B1 publication Critical patent/EP1041029B1/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
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the 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
    • 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
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • 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
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/21—Dynamic air effects
    • B65H2601/211—Entrapping air in or under the 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard

Definitions

  • the invention relates to a method for removing air pockets when forming stacks from sheets, which are successively fed to a stack to be formed and placed on it.
  • the invention also relates to an arrangement for removing air pockets when forming stacks from sheets with a feed device for successively feeding the sheets to the stack to be formed, on which they are deposited.
  • Sheets are to be understood as sheets of paper, cardboard or plastic such as foils. The size of the bow can vary within wide limits. So z. B. treat stacks of sheets the size of conventional copy paper or of smaller or multiple sizes according to the invention. In the production of sheets, these are often accumulated in stacks (also called giants) and then fed to further processing, in which they are used e.g. B. be wrapped with wrapping material.
  • this object is achieved in that air is sucked out of spaces between the sheets in the feed area of the sheets.
  • air when air is extracted, what is meant above all is that air which can lead to harmful air inclusions between arches, or that air which is already between arches.
  • An advantageous development of the method according to the invention consists in sucking off air on the surface of the stack opposite the sheet feeder.
  • air is drawn off on at least one of the surfaces (side surfaces) of the stack which run parallel to the direction of the sheet feed. If two stacks arranged side by side are formed by sheets, air can be sucked out on each side surface of a stack by a suction device arranged between the stacks.
  • a particularly advantageous embodiment of the method according to the invention consists in the fact that suction devices for sucking out the air perform oscillating alignment movements for surfaces of the stack.
  • the effect of the extraction of disruptive air can be improved in a further embodiment of the invention in that air is sucked off above the supply area, because disruptive air supplied by the sheets is then gently removed.
  • air can be sucked through openings in boundary walls into cavities of suction devices, so-called vacuum chambers.
  • a particularly advantageous development of a suction of air from the side surfaces of two stacks arranged side by side can be achieved in that boundary walls of the cavity (vacuum chamber) of a suction device arranged between two stacks approach each other and touch them in places and are connected to each other there.
  • any undesired air pressure differences that occur on both sides of the hollow body can compensate. It can also serve to homogenize the suction if the flow of air in the cavity is at least partially throttled or interrupted.
  • a suction device for removing air from spaces between sheets is provided in the area of the feed device.
  • the invention can preferably be used in the case of a feed device which laterally feeds and deposits on the stack and which can be designed as a conveyor belt.
  • a suction device can be characterized by a suction device assigned to the surface of the stack opposite the feeding device for removing air from spaces between sheets. It can also be assigned to at least one of the surfaces of the stack running parallel to the direction of the sheet feed, preferably both surfaces (side surfaces).
  • a suction device can have an alignment surface provided with air openings for the sheets of a stacking surface.
  • Such an alignment surface can preferably be connected to an oscillating drive which vibrates the surface.
  • an alignment surface can be designed as a boundary wall of a cavity connected to a vacuum source.
  • a suction device is particularly advantageous, the cavity of which has boundary walls provided with air openings, each of which is assigned to a side face of a stack.
  • Such an arrangement of a suction device is particularly space-saving and not very expensive.
  • the boundary walls of such a suction device can touch in places and be connected to one another there.
  • boundary walls can then preferably be provided with further openings in the contact areas, the cross sections of which are larger than those of the air openings.
  • the cavity can be provided in places with throttle elements for the air.
  • the air conditions in the feed area of the sheets can be improved in the sense of reducing the air inclusions in that a suction device is also arranged above the sheet feed area, so that air conveyed over the stack can also be sucked off.
  • the advantage associated with the invention is that the formation of Air pockets are largely prevented during the stack build-up, so that later pressing of the stack is always a considerable effort requires, superfluous.
  • the boundary surfaces of the suction devices can, if they are set in vibration, additionally as alignment surfaces for the stacks serve.
  • Figures 1 and 2 show schematically a pallet 1, which carries two stacks 2 and 3 from sheet 4.
  • the sheets can be sheets of normal copy paper size or a smaller or larger size.
  • the sheets can also be made of cardboard or plastic.
  • the sheets 4 are shown with large gaps 13, which they do not have in reality. Rather, the sheets are stacked on top of each other. They are successively fed laterally from feed devices 6 in the form of conveyor belts 7 (only one can be seen in FIG. 1) in the direction of arrow 8 and placed on stacks 2 and 3.
  • the conveyor belts 7 are discharge belts of a machine, not shown, for producing the sheets, for. B.
  • a so-called small format cutter for example of the known type SLK from the applicant or a cutting machine producing larger formats, for example of the type FFS from the applicant, which produces the so-called folio sheet.
  • the pallet 1 is lowered by a conventional lifting device, not shown, so that the stack surfaces at least approximately maintain the same heights relative to the conveyor belts 7.
  • suction devices for removing, ie sucking out harmful air pockets from the spaces 13 between the sheets 4 are arranged. In the following, the extracted air inclusions are only used as Air "spoken.
  • a first suction device 14 is located opposite the feed device 6 and has a vacuum box 17 which is assigned to the surfaces 15 of the stacks 2 and 3 and is provided with air openings 16 and is connected to a vacuum source 18, for example in the form of a fan 19.
  • the air sucked in from the spaces 13 (air inclusions) passes through the air openings 16 into the vacuum box 17 according to the arrows 21 and from there according to the arrows 20 to the fan 19.
  • there are further suction devices 22, 23 and 24 which are assigned to those surfaces 25 or 26 or 27 or 28 of the stacks 2 and 3 which are parallel to the feed direction of the sheets 4 (according to arrow 8).
  • These suction devices also have vacuum boxes 29, 31 and 32, which are provided with air openings (not shown in FIG. 2) and are connected to the fan 19 via lines corresponding to the arrows 20, so that the extracted air according to the arrows 21 into the vacuum box and from there can flow according to the arrows 20 to the fan 19.
  • the vacuum boxes 29, 31 and 32 are caused by vibrating drives 33 and 34 and 36 respectively to carry out vibrations, so that their suction surfaces 37 and 38 a, 38 b and 39, in addition to suctioning off the air inclusions, also for aligning the stack side surfaces 25 or 26 or 27 or 28 can serve.
  • the design of the suction devices 22 and 24 which act on the outer side surfaces 25 and 28 of the stacks 2 and 3 can be substantially the same.
  • FIGS. 3 and 4 show the vacuum case 31 of the suction device 23, in which air from the spaces 13 of the stacks 2 is provided in a first suction area 40 through air openings 41, 42 in the boundary walls 43 and 44 designed as suction surfaces 38 a, 38 b and 3 flows in accordance with arrows 46.
  • a further suction area 47 above the stacks 2 and 3 there are further air openings 41 a and 42 a, from which air entrained by the bends is extracted, which also reduces the risk of air pockets being formed.
  • the boundary walls 43, 44 which also serve as alignment surfaces for the side surfaces 26, 27 of the stacks 2 and 3, are retracted in places and approach each other until they are in the areas 48, 49, 51 (51 only from FIG. 4 visible) touch.
  • the boundary walls can be connected to one another in these regions.
  • a lock 53 also serves to improve the air flow in the suction device 23.
  • the special design of the suction device 23, which can then be designed like the suction device 24, is omitted.
  • the boundary walls of the suction devices provided with suction openings for this purpose can advantageously also be used to align the stacking surfaces if they are displaced by shaking movements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Pile Receivers (AREA)
  • Materials For Photolithography (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
EP00105265A 1999-03-27 2000-03-14 Méthode et dispositif pour extraire des inclusions d'air pendant la formation de piles de feuilles Expired - Lifetime EP1041029B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914068A DE19914068A1 (de) 1999-03-27 1999-03-27 Verfahren und Anordnung zum Entfernen von Lufteinschlüssen beim Bilden von Stapeln aus Bogen
DE19914068 1999-03-27

Publications (3)

Publication Number Publication Date
EP1041029A2 true EP1041029A2 (fr) 2000-10-04
EP1041029A3 EP1041029A3 (fr) 2001-10-31
EP1041029B1 EP1041029B1 (fr) 2005-01-19

Family

ID=7902724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00105265A Expired - Lifetime EP1041029B1 (fr) 1999-03-27 2000-03-14 Méthode et dispositif pour extraire des inclusions d'air pendant la formation de piles de feuilles

Country Status (10)

Country Link
US (1) US6364312B1 (fr)
EP (1) EP1041029B1 (fr)
JP (1) JP2000296963A (fr)
CN (1) CN1177744C (fr)
AT (1) ATE287372T1 (fr)
BR (1) BR0001428A (fr)
CA (1) CA2302002C (fr)
DE (2) DE19914068A1 (fr)
ES (1) ES2233234T3 (fr)
PT (1) PT1041029E (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1359105A1 (fr) * 2002-05-02 2003-11-05 Siempelkamp Handling Systeme GmbH & Co. Dispositif pour déposer des plaques fines avec un glissement minimale entre les plaques
EP1878678A3 (fr) * 2006-07-14 2010-08-04 manroland AG Dispositif d'aspiration pour le bras d'une presse au sol
CN102350805A (zh) * 2011-09-23 2012-02-15 张家港先锋自动化机械设备有限公司 薄膜压料装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10134425A1 (de) * 2001-07-19 2003-02-06 Jagenberg Querschneider Gmbh Vorrichtung zum Stapeln von Bögen, insbesondere von geschuppt zugeförderten Papier- oder Kartonbögen auf Paletten
ES2689873T3 (es) * 2008-09-17 2018-11-16 Bw Papersystems Stuttgart Gmbh Dispositivo de recolección y transporte para pilas formadas por capas de hojas
DE102009040918A1 (de) * 2009-09-11 2011-03-17 Focke & Co.(Gmbh & Co. Kg) Vorrichtung und Verfahren zum Handhaben von Stapeln aus Druckträgern
CN113734870A (zh) * 2020-05-27 2021-12-03 四川卡库机器人科技有限公司 片状物料挡料装置及堆叠装置
CN112454607B (zh) * 2020-12-04 2022-04-12 河南海格尔高温材料有限公司 一种用于预制块加工的负压式排气装置
CN118458474B (zh) * 2024-07-10 2024-09-24 常州鑫德源恒耐火板装饰材料股份有限公司 一种高压树脂层积板生产用自动转运输送装置

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US1743921A (en) * 1927-12-17 1930-01-14 Claybourn Process Corp Method of drying freshly-printed sheets and apparatus therefor
US2624577A (en) * 1950-09-07 1953-01-06 William R Peugnet Paper jogging machine
DE938698C (de) * 1952-11-30 1956-02-02 Jagenberg Werke Ag Bogenableger an Querschneidemaschinen oder anderen Bogen ausstossenden Maschinen
US2745538A (en) * 1954-07-12 1956-05-15 Lamb Grays Harbor Co Inc Sheet spreading conveyor
GB885351A (en) * 1959-05-06 1961-12-28 Warren S D Co Improvements relating to sheet stacking apparatus
GB914468A (en) * 1960-09-28 1963-01-02 Guthrie William Gifford Improvements in or relating to printing machinery
US3411829A (en) * 1966-08-04 1968-11-19 Sperry Rand Corp Sheet handling system employing an all-fluid transport technique
US3556519A (en) * 1967-06-23 1971-01-19 Leo Keller Method and apparatus for stacking paper sheets or the like
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DE2627390A1 (de) * 1975-09-19 1977-03-31 Taylor Ruel E Vorrichtung und verfahren zum herstellen mehrerer mit in einer ebene liegenden kanten versehener stapel von biegsamen boegen
US4069541A (en) * 1976-04-23 1978-01-24 U.S. Floor Systems, Inc. Cleaning method and apparatus
DE3403209A1 (de) 1983-02-12 1984-08-16 E.C.H. Will (Gmbh & Co), 2000 Hamburg Einrichtung zur beseitigung von lufteinschluessen aus papierstapeln
DE3601293A1 (de) * 1986-01-17 1987-07-23 Waertsilae Strecker Gmbh Bogenstapelvorrichtung
JP2900288B2 (ja) * 1990-11-30 1999-06-02 コニカ株式会社 シート状物の集積装置
DE4201480C2 (de) * 1992-01-21 1997-02-13 Heidelberger Druckmasch Ag Einrichtung zum Ablegen von bedruckten Bogen auf einen Stapel
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JPH05319666A (ja) * 1992-05-20 1993-12-03 Ricoh Co Ltd 印刷装置の排紙台
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1359105A1 (fr) * 2002-05-02 2003-11-05 Siempelkamp Handling Systeme GmbH & Co. Dispositif pour déposer des plaques fines avec un glissement minimale entre les plaques
EP1878678A3 (fr) * 2006-07-14 2010-08-04 manroland AG Dispositif d'aspiration pour le bras d'une presse au sol
CN102350805A (zh) * 2011-09-23 2012-02-15 张家港先锋自动化机械设备有限公司 薄膜压料装置

Also Published As

Publication number Publication date
CN1177744C (zh) 2004-12-01
EP1041029B1 (fr) 2005-01-19
CA2302002C (fr) 2007-09-04
PT1041029E (pt) 2005-05-31
BR0001428A (pt) 2000-10-17
DE19914068A1 (de) 2000-09-28
DE50009252D1 (de) 2005-02-24
ATE287372T1 (de) 2005-02-15
CA2302002A1 (fr) 2000-09-27
ES2233234T3 (es) 2005-06-16
US6364312B1 (en) 2002-04-02
EP1041029A3 (fr) 2001-10-31
CN1269319A (zh) 2000-10-11
JP2000296963A (ja) 2000-10-24

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