EP0739840A1 - Dispositif de sortie d'exemplaires imprimés d'un dispositif à roue à aubes - Google Patents

Dispositif de sortie d'exemplaires imprimés d'un dispositif à roue à aubes Download PDF

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Publication number
EP0739840A1
EP0739840A1 EP96104653A EP96104653A EP0739840A1 EP 0739840 A1 EP0739840 A1 EP 0739840A1 EP 96104653 A EP96104653 A EP 96104653A EP 96104653 A EP96104653 A EP 96104653A EP 0739840 A1 EP0739840 A1 EP 0739840A1
Authority
EP
European Patent Office
Prior art keywords
lever
chain
chain link
jaw
paddle wheel
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
EP96104653A
Other languages
German (de)
English (en)
Other versions
EP0739840B1 (fr
Inventor
Philippe Herda
Serge Lanvin
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.)
Heidelberger Druckmaschinen AG
Goss International Montataire SA
Original Assignee
Heidelberger Druckmaschinen AG
Heidelberg Harris SA
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 Heidelberger Druckmaschinen AG, Heidelberg Harris SA filed Critical Heidelberger Druckmaschinen AG
Publication of EP0739840A1 publication Critical patent/EP0739840A1/fr
Application granted granted Critical
Publication of EP0739840B1 publication Critical patent/EP0739840B1/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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • 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
    • B65H29/003—Delivering or advancing articles from machines; Advancing articles to or into piles by grippers
    • 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
    • B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
    • B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
    • B65H29/045—Details of grippers
    • 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
    • B65H29/38—Delivering or advancing articles from machines; Advancing articles to or into piles by movable piling or advancing arms, frames, plates, or like members with which the articles are maintained in face contact
    • B65H29/40—Members rotated about an axis perpendicular to direction of article movement, e.g. star-wheels formed by S-shaped members
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream
    • 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
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/44765—Rotary transport devices with compartments

Definitions

  • the present invention relates to a device for displaying printed copies from a paddle wheel arrangement for forming a shingled printed copy stream according to the preamble of claim 1.
  • a paddle wheel arrangement is shown there, which has a plurality of axially spaced paddle wheels seated on a common axis. Paddle blades are defined on each paddle wheel at certain intervals, which define pockets between them for receiving printed copies. At least one endless chain is guided between the paddle wheels, on which angle and clamping pieces are attached at equal distances from one another.
  • the elbows serve on the one hand as a stop for the printed specimen sliding into a pocket and on the other hand for pushing it out of the pocket in a defined manner or placing it on a conveyor belt, so that a scaled flow of printed specimens is produced.
  • the clamping piece also acts on the top of the printed copy and presses it onto the lower airfoil forming the bucket wheel pocket. Since the chain and the bucket wheel are axially offset with respect to the bucket wheel axis, the printed copy is clamped in a scissor-like manner, whereby it obtains a "wave-shaped" profile.
  • the object of the present invention is therefore to achieve a gentle delivery of printed copies with a precise scale spacing.
  • the advantage of the gripper according to the invention formed on the chain is that the printed copy lying in the paddlewheel pocket is only subjected to its own weight. An additional application of force, which leads to an increase in the contact force on the airfoil, is not provided according to the invention. On the one hand, this can reduce the frictional force counteracting the pushing out and, on the other hand, protect the underside of the printed copy.
  • the grippers formed on the chain are preferably formed by two opposing jaws which clamp the printed copy between them, the two jaws preferably lying directly opposite one another, so that scissor-like clamping is avoided.
  • the first jaw is formed by a chain link, while the second jaw is part of a lever which is pivotably mounted in the chain link.
  • the clamping function can thus be achieved very simply by pivoting the lever.
  • a spring is assigned to this lever, a torsion spring preferably being used which is wound around the pivot axis and the like both ends are held in the chain link, a cantilever of the spring abutting the lever in a suitable manner.
  • the closing of the gripper is preferably effected in that the lever has a control surface which comes into contact with a fixed control cam.
  • the control cam presses the lever, that is to say the second jaw, against the first jaw formed on the chain link.
  • the lever is designed as a double lever, the first lever arm having the second jaw, and the second lever arm, which preferably protrudes on the opposite side of the chain link, has the control surface.
  • This second lever arm is preferably designed to be flexible, so that the printed copies are clamped with a force determined by the flexibility of this lever arm. Furthermore, with such a flexible lever arm, print copies of different thicknesses can be gripped without having to change the control curve.
  • This guide preferably consists of a U-profile, the two legs of which are provided with longitudinally extending grooves, into which extensions formed on each chain link, preferably the two ends of the pivot axis of the lever or the two ends of a chain pin, engage.
  • FIG. 1 shows a paddle wheel arrangement 1 in the area of the print specimen deposit.
  • the paddle wheel arrangement 1 has at least one paddle wheel 3 which can be set in rotation via a drive shaft 5.
  • the direction of rotation is indicated by arrow 7.
  • Pockets 9 are formed in the impeller and are delimited in the circumferential direction by impeller blades 11.
  • the inner contour of the airfoil 11 and the opposite outer contour 15 of the adjacent airfoil form an inlet funnel which promotes the entry of a printed copy 17 into the pocket 9. Due to the arcuate configuration of the blades 11, the pockets 9 are profiled, which causes the printed copy 17 sliding into the pocket to slow down before it hits the pocket base 19.
  • a chain wheel 21 sits at a distance from the paddle wheel 3 in the longitudinal direction, that drives an endless chain 23. The exact design of the chain will be discussed later.
  • a tray 25 is arranged below the paddle wheel, on which the shingled print copy stream is at least partially deposited. That end section of the tray 25, which first comes into contact with the printed copies 17, is in the form of an arc in order to keep the distance to the adjacent airfoil as small as possible. However, this arcuate section merges into a horizontally running section, at the end of which a conveyor belt 27 is connected. The printed copies 17 are now completely deposited on this conveyor belt at defined intervals from one another and transported as a shingled printed copy stream, for example to a subsequent processing station in the direction of the arrow.
  • the chain 23 is guided obliquely downwards towards the edge of the paddle wheel 3 in the direction of the conveyor belt 27 and deflected into the horizontal by a deflecting roller 29 in the area of the flat section of the tray 25 and continued parallel to the conveyor belt 27. In the further course, the chain 23 is then led away from the conveyor belt 27 by a further deflection roller 31 and returned to the chain wheel 21.
  • the chain 23 is composed of individual chain links 33 which are pivotally connected to one another via chain pins 35. A more precise illustration of a chain link 33 is shown in FIG. 2.
  • Each chain link 33 consists of a base body 36, into which an opening 42 is made, with side plates 37 which are comparable to the plates of a conventional chain link. At one longitudinal end of the base body 36 there is an extension 39 which receives the chain pin 35.
  • the chain pin length is slightly larger than the width of the Base body 36 selected so that the chain pin can interact with a guide described later. Otherwise the chain pin length corresponds to the width of the base body.
  • a downwardly open recess 41 is provided, into which the extension 39 and the chain pin 35 of the next chain link can be inserted.
  • the dimensions of the recess 41 are chosen so that a snap connection is made possible.
  • chain links 33 which are preferably made of plastic, can be assembled very easily, so that the chain used in the paddle wheel arrangement can easily be lengthened or shortened.
  • a lever 43 is introduced, which is pivotally connected to the side walls 37 via a pivot axis 45.
  • this lever is not shown in FIG. 2b.
  • the lever 43 extends completely through the free space 42 and protrudes on both sides of the chain link 33. This lever 43 is subjected to a restoring force via a spring, preferably a torsion spring, which forces the lever into a basic position, which is shown in broken lines in FIG. 2a.
  • a spring preferably a torsion spring
  • this spring 47 is shown in plan view. It can be seen that it is a torsion spring which is wound on both sides of the lever 43 about the pivot axis 45, the two ends 49 each engaging under a side wall 37, so that these ends find an abutment when the spring is tensioned and not can dodge.
  • the two ends can also be supported at other suitable locations, or a side wall 40 of the opening 42, as shown in FIG. 4.
  • a lever 51 connecting the two windings acts on the lever and acts on the lever 43 with a force which brings about the resetting.
  • this starting position or basic position is limited by a stop 53 which, as can be seen in FIG. 2a, is formed by the end of the extension 39 of the subsequent chain link.
  • a stop surface 55 of the lever 43 designed for this purpose is pressed against this stop 53 by the spring 47.
  • the chain link 33 has at its end carrying the recess 41 an upwardly projecting nose 57, the side surface 59 facing the chain link center serving as a stop for the lever 43 during a lever movement against the spring force.
  • a gripper is formed by the interaction of the lever 53 with the side surface 59.
  • the side surface 59 serving as a first jaw and the portion of the lever 43 facing this surface serving as a second jaw.
  • a printed copy can then be clamped between the jaws, for example.
  • the closing of the clamping device consisting of the two jaws 59 and 61 proceeds in such a way that the lever end 63 serving as the control surface during the movement of the chain link in the direction of the arrow onto the initially inclined control cam 65 accumulates, as shown in dashed lines in Figure 2a. Due to the continuous reduction in the distance between the pivot axis 45 and the cam 65, the lower lever arm with the control surface 63 is pressed backwards against the direction of transport of the chains and consequently rotated clockwise. As a result, the jaw 61 formed on the other lever arm approaches the first jaw, that is to say the side surface 59 of the nose 57. When the desired end position has been reached, the control cam 65 is continued parallel to the direction of transport of the chain link 33, with a constant clamping force being maintained.
  • FIG. 4 A further embodiment of the lever 43 is shown in FIG. 4, the chain link as such corresponding to the one just described. A repeated description of the parts identified by the same reference numerals is therefore omitted.
  • the lever shown in FIG. 4 has a flexible lever arm 67 which carries the control surface.
  • This arcuate flexible lever arm 67 makes it possible to set or specify the pressing force of the jaw 61 against the opposing jaw 59 by suitable choice of material or shape.
  • a previously printed copy 17 gets into a pocket 9 of the paddle wheel 3, the printed copy 17 sliding up to the pocket base 19. Then the edge of the printed copy 17 abutting the pocket base 19 abuts the side of the chain link which has the nose 57. This is accomplished by the rotating impeller 3 and the chain 23 running obliquely to the edge of the impeller.
  • the printed copy 17 remains clamped between the jaws 59, 61 even after leaving the pocket 9.
  • the print copy 17, which is initially supported by the storage 25, is pulled through the chain in the direction of the conveyor belt 27, the transport of the print copy being supported later by the conveyor belt. Only when the printed copy 17 is completely on the conveyor belt 27 is the clamping released and the printed copy released accordingly. If the speed of the conveyor belt 27 is adapted to the speed of the chain 23, a shingled print copy flow results in which the individual distances between the print copies can be kept very precisely.
  • Figure 5 shows an embodiment of a guide of the chain, which is provided in particular in that section of the chain circulation in which the clamping of the printed copy is carried out; therefore in the area of the control cam 65.
  • the guide 69 consists of a U-profile, with two legs 71 and a web 73.
  • a groove 75 is made on the inside of each leg 71 and extends in the transport direction of the chain.
  • the inner surface of the web 73 serves as a control cam 65, which cooperates with the control surface 63 on the lever arm 43, as has already been explained in connection with the previously described figures.
  • the grooves 75 can be opened in a funnel shape, as seen in the direction of rotation of the chain, in order to make it easier for the two pivot axis ends to enter the grooves 75.
  • FIG. 6 shows a schematic representation of a bucket wheel arrangement 1 which consists of a plurality of bucket wheels 3 seated on a drive shaft 5 and sprockets 21 located between them, the drive shaft 5 and thus the chain wheels 21 and the bucket wheels 3 being driven, for example, by a belt drive 77.
  • the present invention can also be applied to other bucket wheel arrangements which, for example, have only two or three or more than the four bucket wheels shown, it being sufficient to provide only one chain with the grippers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Handling Of Sheets (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
EP96104653A 1995-04-26 1996-03-23 Dispositif de sortie d'exemplaires imprimés d'un dispositif à roue à aubes Expired - Lifetime EP0739840B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9504982 1995-04-26
FR9504982A FR2733491B1 (fr) 1995-04-26 1995-04-26 Dispositif de sortie d'exemplaires imprimes d'un dispositif a roues a aubes

Publications (2)

Publication Number Publication Date
EP0739840A1 true EP0739840A1 (fr) 1996-10-30
EP0739840B1 EP0739840B1 (fr) 1999-11-10

Family

ID=9478452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96104653A Expired - Lifetime EP0739840B1 (fr) 1995-04-26 1996-03-23 Dispositif de sortie d'exemplaires imprimés d'un dispositif à roue à aubes

Country Status (6)

Country Link
US (1) US5690328A (fr)
EP (1) EP0739840B1 (fr)
JP (1) JP3032498U (fr)
AT (1) ATE186521T1 (fr)
DE (1) DE59603605D1 (fr)
FR (1) FR2733491B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0962413A3 (fr) * 1998-05-26 2000-08-16 Tokyo Kikai Seisakusho Ltd. Dispositif pour délivrer des cahiers et réguler le pas entre les cahiers, pour un dispositif de sortie d'une machine de pliage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6832886B2 (en) 2001-07-27 2004-12-21 C. G. Bretting Manufacturing Co., Inc. Apparatus and method for stacking sheets discharged from a starwheel assembly
US6877740B2 (en) 2003-07-30 2005-04-12 C.G. Bretting Manufacturing Company, Inc. Starwheel feed apparatus and method
EP2223878B1 (fr) 2009-02-27 2013-11-20 Neopost Technologies Chaîne de convoyeur et convoyeur pour saisir et convoyer du matériel en papier

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773585A (en) * 1953-07-27 1956-12-11 Champlain Company Inc Single chain gripper
CH427625A (de) * 1964-08-25 1966-12-31 Winkler Fallert & Co Maschf Verfahren und einrichtung zum verschränkten Paketieren von gefalzten Druckprodukten
FR2387181A1 (fr) * 1977-04-12 1978-11-10 Wifag Maschf Dispositif pour former un courant continu de produits d'impression plies et superposes en pile d'exemplaires a bords decales
EP0033300A2 (fr) * 1980-01-25 1981-08-05 Maschinenfabrik Wifag Pince automatique d'un récepteur à chaînes de machines à imprimer
GB2068892A (en) * 1980-02-08 1981-08-19 Ferag Ag Conveyor
US4678172A (en) * 1985-12-27 1987-07-07 Custom-Bilt Machinery, Inc. High speed on-line reshingling of printed products
EP0541499A2 (fr) * 1991-11-07 1993-05-12 Idab-Wamac Aktiebolag Méthode et dispositif pour ouvrir une pince autoserrante d'un convoyeur à pinces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1462923A (en) * 1921-07-02 1923-07-24 United Printing Machinery Comp Sheet gripper
DE59302635D1 (de) * 1992-02-19 1996-06-27 Ferag Ag Greifer für eine Fördereinrichtung zum Fördern von ein- oder mehrblättrigen Druckereierzeugnissen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773585A (en) * 1953-07-27 1956-12-11 Champlain Company Inc Single chain gripper
CH427625A (de) * 1964-08-25 1966-12-31 Winkler Fallert & Co Maschf Verfahren und einrichtung zum verschränkten Paketieren von gefalzten Druckprodukten
FR2387181A1 (fr) * 1977-04-12 1978-11-10 Wifag Maschf Dispositif pour former un courant continu de produits d'impression plies et superposes en pile d'exemplaires a bords decales
EP0033300A2 (fr) * 1980-01-25 1981-08-05 Maschinenfabrik Wifag Pince automatique d'un récepteur à chaînes de machines à imprimer
GB2068892A (en) * 1980-02-08 1981-08-19 Ferag Ag Conveyor
US4678172A (en) * 1985-12-27 1987-07-07 Custom-Bilt Machinery, Inc. High speed on-line reshingling of printed products
EP0541499A2 (fr) * 1991-11-07 1993-05-12 Idab-Wamac Aktiebolag Méthode et dispositif pour ouvrir une pince autoserrante d'un convoyeur à pinces

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0962413A3 (fr) * 1998-05-26 2000-08-16 Tokyo Kikai Seisakusho Ltd. Dispositif pour délivrer des cahiers et réguler le pas entre les cahiers, pour un dispositif de sortie d'une machine de pliage

Also Published As

Publication number Publication date
JP3032498U (ja) 1996-12-24
ATE186521T1 (de) 1999-11-15
FR2733491B1 (fr) 1997-07-25
FR2733491A1 (fr) 1996-10-31
US5690328A (en) 1997-11-25
DE59603605D1 (de) 1999-12-16
EP0739840B1 (fr) 1999-11-10

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