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EP0006522A1 - Procédé et dispositif d'ouverture de produits d'imprimerie pliés - Google Patents

Procédé et dispositif d'ouverture de produits d'imprimerie pliés Download PDF

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Publication number
EP0006522A1
EP0006522A1 EP79101877A EP79101877A EP0006522A1 EP 0006522 A1 EP0006522 A1 EP 0006522A1 EP 79101877 A EP79101877 A EP 79101877A EP 79101877 A EP79101877 A EP 79101877A EP 0006522 A1 EP0006522 A1 EP 0006522A1
Authority
EP
European Patent Office
Prior art keywords
sheet
air suction
blowing air
printed sheets
printed
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
EP79101877A
Other languages
German (de)
English (en)
Other versions
EP0006522B1 (fr
Inventor
Horst Rathert
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.)
Rahdener Maschinenfabrik August Kolbus GmbH and Co KG
Original Assignee
Rahdener Maschinenfabrik August Kolbus GmbH and Co KG
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 Rahdener Maschinenfabrik August Kolbus GmbH and Co KG filed Critical Rahdener Maschinenfabrik August Kolbus GmbH and Co KG
Publication of EP0006522A1 publication Critical patent/EP0006522A1/fr
Application granted granted Critical
Publication of EP0006522B1 publication Critical patent/EP0006522B1/fr
Expired 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30—Opening devices for folded sheets or signatures
    • 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
    • B65H2301/446—Assisting moving, forwarding or guiding of material
    • B65H2301/4461—Assisting moving, forwarding or guiding of material by blowing air towards 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
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/122—Nozzles

Definitions

  • the invention relates to a method and a device for opening folded printed sheets, in particular for placing on the conveyor saddle of a book stitching machine, in which the printed sheet is guided past devices for spreading out the individual sheet parts one after the other to the opening point.
  • a device for opening folded sheet layers, a device is known from DE-AS 10 99 988, in which a cylindrical pair of suction rolls and behind this in the transport direction are located below a belt conveyor path, between which an open sheet is held and transported in the closed state, and on both sides of the transport plane another conical suction roller pair are provided. Between the suction roller pairs there are sheet deflectors which form the transition from the vertical conveying plane of the first pair of suction rollers to the inclined lateral surface of the subsequent pair of suction rollers and which guide the outer sheet parts covered by the first pair of suction rollers behind the sheet deflectors.
  • the sheet parts are kept out of the effective range of the second pair of suction rolls by means of the sheet deflectors, the subsequent sheet parts are grasped and passed over further sheet deflectors in order to ultimately feed the printed sheet thus opened to a support saddle of a downstream machine.
  • a corresponding number of suction roller pairs can be arranged and connected to one another by sheet deflectors.
  • a program control enables the individual suction rolls to be switched on and off automatically according to a defined program.
  • the device for opening folded sheet layers illustrated and described in DE-AS 10 99 988 has proven to be unsatisfactory insofar as it does not allow the opening of any kind of layers.
  • a layer with cross fold i.e. Layers that are partially closed at the head or foot cannot be guided through the layers by suction rolls and sheet deflectors.
  • suction rolls and sheet deflectors Although some of these types of folds folded in cross fold allow suction rolls and sheet deflectors to be passed through from one side, opening in the middle by means of this device is then only possible with a corresponding contact edge in the downstream machine, which can be a book thread stitching machine, for example, the contact edge depending can be front or back according to the manufacturer.
  • suction rolls used in this device are not capable, all paper sorters occurring. to process. Due to the suction effect in layers of porous paper, several sheet parts are often sucked in at the same time, which leads to not inconsiderable disruptions in the production process.
  • a device for the central opening of cross-folded printed sheets is shown with a sheet conveyor designed as a conveyor belt, which is arranged beneath a plurality of rotating suction cups for lifting and tipping over the free sheet parts not held by the conveyor to the opening point , and with acting on the main fold and for gripping the free edge of the lower half of the opened sheet Grippers.
  • Either photoelectric light barriers or program control can be used to control the suction effect.
  • the printed sheet is transferred to a saddle, for example a book sewing machine, the free sheet parts not held by the conveyor belt being held up by a guide plate.
  • both the opening device according to DE-AS 10 99 988 and that according to DE-PS 19 45 501 set limits with regard to an increase in the number of cycles, since in each case the opening process at an opening station must be ended before a subsequent printed sheet arrives can.
  • the invention has for its object to provide a method and an apparatus of the type mentioned, which make it possible that all layers and types of paper can be processed, regardless of the sheet format, and with which a significant increase in the number of cycles compared to the known opening devices is achieved.
  • the method according to the invention provides that an openable, folded printed sheet is guided past blowing air suction devices and the free area of the respective outer sheet parts through the Suction effect of the blown air is sucked in and spread out from the rest of the printed sheet and that the spread-out sheet part is drawn out of the effective area of a downstream blow air suction device for sucking in a following sheet part.
  • the printed sheets are advantageously transported past the blown air suction devices with a sheet corner ahead and the opening takes place via a printed sheet corner. According to a further feature of the process, the printed sheets can be transported in a scale-like manner past the blown air suction devices. It is also advantageous if the arc parts are spread apart by approximately 15 °.
  • the device for carrying out the method is based on a conveying device for transporting the printed sheets along devices arranged one behind the other for spreading the individual sheet parts one after the other up to the opening point and is characterized in that the devices for spreading the sheet parts consist of blowing air suction plates arranged on the side of the sheet transport plane Sheet transport plane inclined suction surfaces inclined at a narrow angle, in which blowing air nozzles directed towards the free areas of the sheet parts are arranged, and in that downstream of the blowing air suction plates, the spread sheet part leading from the effective area of a subsequent blowing air suction plate are provided.
  • the devices for spreading the sheet parts consist of blowing air suction plates arranged on the side of the sheet transport plane Sheet transport plane inclined suction surfaces inclined at a narrow angle, in which blowing air nozzles directed towards the free areas of the sheet parts are arranged, and in that downstream of the blowing air suction plates, the spread sheet part leading from the effective area of a subsequent blowing air suction plate are provided.
  • the blowing air suction plates can be designed in a wedge shape and the sheet deflectors can each be formed by the rear of a downstream blowing air suction plate and by a dividing tip upstream of these plates. It is also advantageous that the blowing air nozzles are directed counter to the direction of sheet travel, towards the sheet corner to be opened, and emerge from the suction surface at an angle of approximately 15 °. According to a further feature, the blowing air nozzles can be arranged in a line that rises against the running direction. Furthermore, the blowing air nozzles can have a depression on the outlet side.
  • the device for performing the method starting from a Bo Genanleger for separating the printed sheets and for feeding to a conveyor, characterized in that the feeder is arranged inclined to the conveyor in such a way that the printed sheets enter the conveyor with a sheet corner ahead.
  • the device for opening folded printed sheets 1 essentially consists of a conveying device 2 and a plurality of blow air suction devices 3 located one behind the other of the movement path of the printed sheets.
  • the closed printed sheets 1 are passed endlessly, the sheets between clamping conveyor belts are clamped and are transported with their back upwards and with a sheet corner ahead of the air suction devices. It has proven to be advantageous to run the printed sheets in the form of scales in order to significantly increase the number of cycles. In addition, this diagonal transport enables processing of all types of folds, since the printed sheets can be opened via a sheet corner.
  • the devices for opening the printed sheets consist of wedge-shaped blowing air suction plates installed on the side of the plane of movement of the printed sheets 1 on a support part 8, with a suction surface 5 with a row directed towards the sheet corner to be opened and inclined at approximately 15 ° of blowing air nozzles 6, which are connected to a compressed air source, not shown.
  • the outer part of the layer is sucked onto surface 5 as a result of the so-called hydrodynamic paradox and is deflected by approximately 15 °.
  • the first sheet part spread apart from the remaining layer is placed behind the following blowing air suction plate, i.e. steered on its back 5 '.
  • the following blowing air suction plate i.e. steered on its back 5 '.
  • deflection devices in the form of divider tips 7 arranged in front of the suction plates.
  • the position of the nozzle bores 6 in the suction plates was indicated in FIG. 1 by the dashed arrows representing the air outlet.
  • the nozzle bores are directed counter to the direction of travel of the printed sheets towards the sheet corner to be opened and are arranged at an angle of 15 ° to the suction surface 5, as illustrated in FIG. 3, which is useful for an optimal blowing-suction effect.
  • the nozzle bores 6 are still in a line that rises against the direction of travel, which allows the outer part of the printing sheet to be gradually drawn up to its corner, starting at the first nozzle closest to the printing sheet.
  • the opening device can manage with a minimum of blown air.
  • the nozzle bores were additionally equipped with countersinks 6 '.
  • the conveying device can be designed to be height-adjustable in a manner known per se and therefore not described, based on the feeder.
  • a folded printed sheet which is to be understood as any type of position, is to be placed astride a support saddle 11 of a book stitching machine, for example, the initially closed sheet is transported by the conveying device 2 past a first blowing air suction device and a first external sheet part is thereby passed through the blowing Pull-off effect spread apart from the rest of the printed sheet at its opening corner and steered behind it itself by means of the dividing tip of a subsequent blowing air suction device during further transport.
  • a second, in turn external sheet part arrives in the effective area of the following blowing air suction device in order to be spread apart by the latter and deflected by a following blowing air suction device.
  • the individual printed sheet parts are thus opened up one after the other to the opening point in order to ultimately be handed over to a saddle.
  • blowing air suction plates can also be arranged parallel to the sheet conveying plane and can be pivoted away after a sheet part has been detected.
  • a construction is also conceivable, which provides blowing air suction devices on both sides of the conveying device, whereby sheet parts are spread apart on both sides at the same time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP79101877A 1978-07-01 1979-06-11 Procédé et dispositif d'ouverture de produits d'imprimerie pliés Expired EP0006522B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782829067 DE2829067A1 (de) 1978-07-01 1978-07-01 Verfahren und vorrichtung zum oeffnen gefalzter druckbogen
DE2829067 1978-07-01

Publications (2)

Publication Number Publication Date
EP0006522A1 true EP0006522A1 (fr) 1980-01-09
EP0006522B1 EP0006522B1 (fr) 1983-01-12

Family

ID=6043360

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79101877A Expired EP0006522B1 (fr) 1978-07-01 1979-06-11 Procédé et dispositif d'ouverture de produits d'imprimerie pliés

Country Status (4)

Country Link
US (1) US4275873A (fr)
EP (1) EP0006522B1 (fr)
JP (1) JPS557197A (fr)
DE (2) DE2829067A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119767A (en) * 1982-05-05 1983-11-23 Grapha Holding Ag Apparatus for opening multi- layered folded sheets
WO1987006217A1 (fr) * 1986-04-18 1987-10-22 Flensburg Carl G A Procede pour assembler des cahiers et machine d'assemblage permettant la mise en oeuvre du procede
US5492316A (en) * 1994-09-20 1996-02-20 Bill McFarland Method and apparatus for opening signature sheets
NL1005618C2 (nl) * 1997-03-25 1998-09-28 Kasius Vierveijzer B V Werkwijze en inrichting voor het openen van een document, in het bijzonder een tijdschrift.
EP2428477A3 (fr) * 2010-09-13 2014-06-18 Hugo Beck Maschinenbau GmbH & Co. KG Dispositif et procédé d'ouverture de produits d'impression reliés et déplacés en continu

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4401300A (en) * 1981-12-21 1983-08-30 Leger' Equipment Corp. Air bearing shelf
US4522384A (en) * 1983-09-30 1985-06-11 World Color Press, Inc. Machine for collating signatures in the saddle format
CH665411A5 (de) * 1985-02-07 1988-05-13 Grapha Holding Ag Zusammentragmaschine.
DE3621820A1 (de) * 1986-06-28 1988-01-07 Roland Man Druckmasch Falz- und transportvorrichtung
JP2502485Y2 (ja) * 1992-06-16 1996-06-26 株式会社タンケンシールセーコウ センサ取付治具
ATE134972T1 (de) * 1992-07-06 1996-03-15 Ferag Ag Verfahren und einrichtung zum einschieben von objekten in mehrblättrige erzeugnisse, insbesondere in druckprodukte
DE59705515D1 (de) * 1996-09-06 2002-01-10 Ferag Ag Verfahren und Vorrichtung zum Öffnen von flexiblen, flächigen Erzeugnissen
DE10149074B4 (de) * 2000-10-30 2009-02-05 Heidelberger Druckmaschinen Ag Öffnungs- und Umlegeeinrichtung für Mailinganlagen oder Falzmaschinen
US6705982B1 (en) * 2000-11-15 2004-03-16 Heidelberger Druckmaschinen Ag Pre-fold sword insertion device
US20060218816A1 (en) * 2005-04-04 2006-10-05 Maytag Corporation Dryer heat modulation with solid state motor switch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE581077C (de) * 1932-02-12 1933-07-20 Brehmer Geb Verfahren zum selbsttaetigen OEffnen zusammengefalzter Papierlagen o. dgl.
DE1099988B (de) * 1957-10-25 1961-02-23 Leipziger Buchbindereimaschine Vorrichtung zum OEffnen gefalzter Bogenlagen
DE2362125A1 (de) * 1972-12-18 1974-06-27 Commw Of Australia Vorrichtung zum trennen von blaettern in xerografischen druckeinrichtungen und anderen blatthandhabungsmechanismen
DE1945501C3 (de) * 1969-05-26 1974-11-28 Leonardo Mailand Dolfini (Italien) Vorrichtung zum mittigen Öffnen kreuzweise gefalzter Druckbogen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB396816A (en) * 1932-02-17 1933-08-17 Brehmer Geb A method of and mechanism for automatically opening closed book signatures and the like
US2772880A (en) * 1953-03-05 1956-12-04 E G Staude Mfg Company Inc Sheet stacker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE581077C (de) * 1932-02-12 1933-07-20 Brehmer Geb Verfahren zum selbsttaetigen OEffnen zusammengefalzter Papierlagen o. dgl.
DE1099988B (de) * 1957-10-25 1961-02-23 Leipziger Buchbindereimaschine Vorrichtung zum OEffnen gefalzter Bogenlagen
DE1945501C3 (de) * 1969-05-26 1974-11-28 Leonardo Mailand Dolfini (Italien) Vorrichtung zum mittigen Öffnen kreuzweise gefalzter Druckbogen
DE2362125A1 (de) * 1972-12-18 1974-06-27 Commw Of Australia Vorrichtung zum trennen von blaettern in xerografischen druckeinrichtungen und anderen blatthandhabungsmechanismen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119767A (en) * 1982-05-05 1983-11-23 Grapha Holding Ag Apparatus for opening multi- layered folded sheets
WO1987006217A1 (fr) * 1986-04-18 1987-10-22 Flensburg Carl G A Procede pour assembler des cahiers et machine d'assemblage permettant la mise en oeuvre du procede
US5492316A (en) * 1994-09-20 1996-02-20 Bill McFarland Method and apparatus for opening signature sheets
NL1005618C2 (nl) * 1997-03-25 1998-09-28 Kasius Vierveijzer B V Werkwijze en inrichting voor het openen van een document, in het bijzonder een tijdschrift.
EP2428477A3 (fr) * 2010-09-13 2014-06-18 Hugo Beck Maschinenbau GmbH & Co. KG Dispositif et procédé d'ouverture de produits d'impression reliés et déplacés en continu

Also Published As

Publication number Publication date
DE2829067A1 (de) 1980-01-10
JPS6363447B2 (fr) 1988-12-07
DE2964473D1 (en) 1983-02-17
US4275873A (en) 1981-06-30
EP0006522B1 (fr) 1983-01-12
JPS557197A (en) 1980-01-18

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