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EP0941956A1 - Dispositif de guidage souple de produits transportés - Google Patents

Dispositif de guidage souple de produits transportés Download PDF

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Publication number
EP0941956A1
EP0941956A1 EP99101555A EP99101555A EP0941956A1 EP 0941956 A1 EP0941956 A1 EP 0941956A1 EP 99101555 A EP99101555 A EP 99101555A EP 99101555 A EP99101555 A EP 99101555A EP 0941956 A1 EP0941956 A1 EP 0941956A1
Authority
EP
European Patent Office
Prior art keywords
flexible
guide
flexible guide
guiding device
transported product
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
EP99101555A
Other languages
German (de)
English (en)
Other versions
EP0941956B1 (fr
Inventor
James Richard Belanger
Kevin Lauren Cote
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
Original Assignee
Heidelberger Druckmaschinen 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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0941956A1 publication Critical patent/EP0941956A1/fr
Application granted granted Critical
Publication of EP0941956B1 publication Critical patent/EP0941956B1/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
    • B65H29/52—Stationary guides or smoothers
    • 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
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/25—Driving or guiding arrangements
    • B65H2404/253—Relative position of driving and idler rollers
    • B65H2404/2531—Relative position of driving and idler rollers for performing transport along a path curved according to an axis parallel to the transport surface

Definitions

  • the present invention relates to a device for flexible guidance of transported flat products, especially printed products, if these from a folder to further processing stations.
  • EP 0 662 439 B1 shows a pneumatic sheet guiding device in one Sheet printing machine, which is arranged along a sheet conveying path.
  • the Pneumatic sheet guiding device comprises an upper part with blown air openings and an expandable lower part which is circumferential with the upper part connected is.
  • the upper and lower parts form an airtight cavity. Both parts are made of a flexible material, but the lower part is much more flexible than the upper part.
  • the upper part is flexible and the lower part is expandable in such a way that by blowing air in between the two parts formed cavity forms an air bubble, which causes the lower part of its Curvature changes.
  • the present invention provides a device for flexible management of transported products including a flexible one Create guidance to support signatures.
  • the flexible management of the present Invention is able to deform to the time interval in which an impact occurs Extend signature to change direction.
  • the leadership is on stored at least one support.
  • the device for flexible guidance of transported products is particularly useful in delivery components of a Folders or in folders generally.
  • the device according to the invention has the advantage that the signature applied Average impact can be reduced by the time interval in which the collision between the signature and the leadership takes place, is extended.
  • the markup can be significantly weakened, because the collision of the signature with the leadership, the signature taking its direction changes, can take place at a longer interval.
  • the flexible Leadership can be either stationary or dynamic. Both types of leadership can deform to impact force when the signature hits the guide to absorb.
  • the stationary flexible guide can be curved Deform length. The deformation of the flexible guide can still be favored by placing it between two supports, each on a different level are arranged.
  • flexible guidance can be any desired Form and width, they can also be the width of the signature or a larger width exhibit. Between the signature and an impervious surface of the flexible Leadership can form a natural cushion of air.
  • the flexible leadership can also work out permeable material to be constructed so that compressed air through the flexible guide can be blown to promote the formation of an air cushion.
  • the Device according to the invention not as a stationary flexible guide, but as an endless loop arranged in the direction of the respective signature emotional. With this construction, no shear forces develop between the signature and flexible leadership. If the speeds of the signature and the dynamic flexible guidance are adapted to each other so that no difference exists, a more even signature management is achieved with the shear forces excluded are.
  • the dynamic flexible guide is as a closed loop constructed and can be supported by roller-shaped supports, so that a Relative movement of the guide with respect to the support rollers is possible. For the movement
  • the dynamic flexible guide can be at least one drive station be assigned. In one embodiment of the invention, the drive station Press rolls on that cooperate with each other by providing dynamic flexible guidance wind along their path of movement.
  • the device and the method according to the present invention can be a Liquid application station include where a liquid, e.g. B. silicone is applied, to reduce the friction factor and consequently prevent lubrication points. It Antistatic liquids can also be applied, which are static Reduce the attraction between the guide and the signatures. At long last a cleaning station can be assigned to the dynamic flexible guide in order to Remove impurities from the surface of the dynamic flexible guide and permanently prevent color build-up.
  • a liquid e.g. B. silicone
  • Antistatic liquids can also be applied, which are static Reduce the attraction between the guide and the signatures.
  • a cleaning station can be assigned to the dynamic flexible guide in order to Remove impurities from the surface of the dynamic flexible guide and permanently prevent color build-up.
  • a method for the creation of a flexible guide represented by at least one prop is worn and deformed by the addition of a signature, so that the Period in which the direction change of the signature takes place is extended and thus the forces acting on the signature on average are reduced.
  • the dynamic flexible guidance can be driven in such a way that the Speed difference between the signature and the dynamic flexible guidance is minimized.
  • FIGS. 1A and 1B show a conventional stationary guide 4 on which one Signature 1 is promoted.
  • a respective signature 1 has a leading edge 2 and a Trailing edge 3 and moves in the direction indicated by arrow 6.
  • the rear edge 3 of the signature 1 swings due to the centripetal or approach forces outwards until it contacts the stationary guide 4.
  • this will make the Signature 1 is subjected to a force such that the signature 1 adapts to the shape of the adapts stationary guide 4.
  • one Guide 4 becomes a very fast and strongly increasing force on the signature 1 exercised, which can damage the latter.
  • Fig. 2 shows a stationary attached flexible guide 7 according to a Embodiment of the present invention.
  • a signature is with your Leading edge 2 by a delay drum on one of several arms (Not shown) attached gripping element is held, guided in the direction 6.
  • This can e.g. B. may be a delay drum as disclosed in US 5,452,886. It an axis about which the deceleration drum rotates can be selected so that during the rotary movement the gripping elements follow a path that is in one predetermined distance from the surface of the flexible guide. Since the Front edge is held by the gripping element, this does not hit the flexible Guide 7 when the signature slows down as it moves in that direction becomes. However, the body of the signature 1 resonates due to the centripetal forces outside and hits on the stationary flexible guide 7.
  • the flexible guide 7 is between an upper support 8 and a lower support 9 arranged.
  • the supports 8 and 9 are each on different levels.
  • the flexible guide 7 moves into an arcuate position due to gravity.
  • the arc length between the two supports 8 and 9 is 11 designated.
  • the flexible guide 7 deforms on contact with a respective one Signature 1, so that signature 1 is granted more time, in accordance with its impulse to transmit an average force to the flexible guide 7 (i.e. that the The time interval of the service is extended and thus the average force for one given momentum is reduced).
  • the shape of the flexible guide 7, which is between the two supports 8, 9 hanging hanging, can be changed by changing the length of the flexible Guide 7 can be varied.
  • the freely hanging arcuate length 11 of the two supports 8, 9 Guide 7 influences the deformation and consequently the contact forces exerted thereon. Furthermore, the degree of deformation and thus the degree of elongation of the Time interval by choosing a material for the guide that is the most suitable Possesses properties, be changed. A guide from a lighter, more flexible Material will adapt more easily to the shape of the signature 1 to be kept, whereas a guide made of a heavier, less flexible material causes the signature, react faster to serve 7 when serving.
  • Fig. 3 shows a dynamic flexible guide 12, which is in a closed loop is arranged with assigned drive stations.
  • the flexible guide 12 is mounted on a plurality of support rollers 14.
  • the Rollers can each be arranged on supports 15, 16.
  • the flexible guide 12 that is designed as a closed loop moves into one through the arrow 13 indicated direction, which corresponds to the direction of movement of the signature 1.
  • Of the closed loop is assigned at least one drive station 17, 23 to the flexible guide 12 to move the rollers 14 at a speed that the Speed of the signature can be adjusted so that a Speed difference between the signatures 1 and the surface of the flexible Leadership 12 can be avoided.
  • the elimination of a speed difference between the signatures moved at a distance and the speed of the Guide prevents lubrication points on the signatures and ensures one smooth signature transport.
  • the flexible guide 12 can have two drive stations 17 and 23 according to the invention be equipped.
  • the drive station 17 is the lower end of the flexible guide 12 assigned after the latter has rotated around the roller 14, and the Drive station 23 is assigned to the upper end of flexible guide 12.
  • a additional tension roller 14 can be arranged in the lower right corner, which the flexible guide 12 between the drive stations 17 and 23 spans and the shape of the flexible guide 12 on the arcuate portion of their career is not affected.
  • the drive stations 17 and 23 can each comprise a pair of press rolls 18, 19, who cooperate with each other.
  • the press roll 19 rotates in the direction 20 and Press roll 18 rotates in the direction 21.
  • Both drive stations 17 and 23 for the flexible guide 12 are operated synchronously so that it is moved continuously.
  • the material properties of the flexible guide 12 determine the degree the deformation of the flexible guide 12.
  • a light, flexible material fits the The shape of the signature is lighter and a heavy, less flexible material forces it Signature to adapt to leadership more quickly.
  • the material can be permeable (i.e., it can be made from a plurality of spaced strips, e.g., nylon or consist of a flexible grid) or it can be impermeable (i.e. it can Bow of a fabric-like material such as nylon).
  • anyone can use this material desired width, it can also be wider than the signature or as wide as these be.
  • a signature 1 can be gripped by a gripping member (not shown) on its leading edge 2 and moved by a deceleration drum (not shown) to move along the flexible guide 12 according to the present invention.
  • the flexible guide 12 assumes an arcuate shape while being moved at the same speed as the signature 1.
  • the impact force to which a signature received by the flexible guide 12 is exposed corresponds to an impulse force which is equal to 1 F average x ⁇ t (ie the product of an average force (F average ) multiplied by the time interval of the impact ( ⁇ t)).
  • F average average force
  • ⁇ t time interval of the impact
  • the degree of deformation of the flexible guides 7 and 12 depends for example on the properties of the selected material for these guides.
  • a design of the flexible guide 12 in a width that the width of the corresponds to the respective signature to be conveyed 1 or is wider than this and at Using an impermeable material for the touch becomes a natural one Air cushion created between the surface of the flexible guide and the signature 1.
  • additional air can be blown into the area between by means of a fan 34 the signature and the guide 7 are introduced.
  • the surface of the flexible guide 12 and the signature 1 so there is trapped air, so that thereby a direct contact between the surfaces of the signature 1 and the flexible Leadership 12 is avoided.
  • the guide can be made of an impermeable Material that has a selected number of air holes 37, or from one permeable material.
  • the air between the moving Signature 1 and the surface of the flexible guide 12 can by means of a Blower device 35 are pressed out through the permeable surface, the Blower device 35 via a selectively created guide channel 36 with a cavity communicates with the guide and the cavity except for the air holes 37 is airtight.
  • Fig. 4 shows a further embodiment of the dynamic according to the invention 3, which is a liquid application station 24 and a Includes cleaning station, which are integrated into the track of the flexible guide 12.
  • the liquid application station 24 has a liquid container 26 which, for. B. liquid Contains silicone 25.
  • the Significant coefficient of friction By applying silicone before a signature 1 the surface of the flexible Guide 12 contacted at high speeds, the Significant coefficient of friction. At high speeds processed signatures the generated air cushion between the signature 1 and the Surface of the flexible guide 12 is not sufficient to prevent direct contact. Thus, the effects of direct contact between the signature and the flexible guide 12 minimized by reducing the coefficient of friction. This is, however, more important for a stationary flexible guide 7, as shown in FIG. 2, than for a dynamic flexible guide 12 which is driven and in which none Differences in speed occur.
  • the liquid application station 24 is behind one upper drive station 23 arranged to a freshly applied, very thin To produce coating of the surface of the flexible guide 12.
  • an antistatic solution within the Liquid application station 24 can be used to increase the static attraction between the two moving elements, namely the signature 1 and the to reduce flexible guidance 12.
  • a cleaning station 29 is located at the lower end of the flexible guide 12, after it has passed a lower drive station 17.
  • the cleaning station 29 comprises two guide rollers 30 which deform the flexible guide 12 so that one sufficient contact length is guaranteed along the surface of the flexible Guide 12 can be cleaned by means of a cleaning brush 31 or the like.
  • the Cleaning brush 31 is assigned to a container 32 which is a cleaning solution contains to remove contaminants on the surface of the flexible To facilitate leadership 12.
  • the present invention also discloses a method for guiding transported Products.
  • the flexible guides 7 and 12, as shown in Figs. 2-4, are carried by at least one support 8, 15 and the material properties are so chosen that the flexible guides 7, 12 are deformable to the time interval of To extend the surcharge for a respective signature 1. Doing so will be strong Contact forces that occur during the collision between two moving bodies exercised and directed towards the leadership, eliminated.
  • the flexible guide 12 is driven such that no speed differences between the signatures 1 and the surface the flexible guide 12 arise. Thus, shear forces are between themselves moving bodies eliminated or significantly reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Discharge By Other Means (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
EP99101555A 1998-03-13 1999-02-01 Dispositif de guidage souple de produits transportés Expired - Lifetime EP0941956B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/042,009 US6145649A (en) 1998-03-13 1998-03-13 Device for flexible guiding of conveyed products
US42009 1998-03-13

Publications (2)

Publication Number Publication Date
EP0941956A1 true EP0941956A1 (fr) 1999-09-15
EP0941956B1 EP0941956B1 (fr) 2002-12-04

Family

ID=21919563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101555A Expired - Lifetime EP0941956B1 (fr) 1998-03-13 1999-02-01 Dispositif de guidage souple de produits transportés

Country Status (3)

Country Link
US (1) US6145649A (fr)
EP (1) EP0941956B1 (fr)
DE (2) DE19903888A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095770A1 (fr) * 1999-10-30 2001-05-02 MAN Roland Druckmaschinen AG Appareil de nettoyage pour un dispositif de guidage de feuilles d'une machine rotative d'impression

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19735051C2 (de) * 1997-08-13 1999-06-17 Koenig & Bauer Ag Vorrichtung zum Aufteilen eines Stromes von Signaturen
US6874615B2 (en) * 2003-06-06 2005-04-05 David M Fallas Conveyor chute
JP7101263B2 (ja) * 2019-01-17 2022-07-14 富士通フロンテック株式会社 紙葉類取扱装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721164A (en) * 1980-07-14 1982-02-03 Hitachi Ltd Facsimile device
EP0059873A1 (fr) * 1981-03-07 1982-09-15 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de prélèvement d'imprimés des disques de réception d'un appareil de pliage
DE3513353A1 (de) * 1984-06-27 1986-01-09 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Stapelauslage fuer hochkant gestapelte falzbogen
EP0490272A1 (fr) * 1990-12-13 1992-06-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Dispositif de guidage pour l'empilage de feuilles de papier
EP0662439A1 (fr) * 1993-12-23 1995-07-12 Kba-Planeta Ag Dispositif de guidage pneumatique de feuilles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1395539A (fr) * 1963-03-29 1965-04-16 Cefilac Dispositif pour enrober de poudre lubrifiante, avant filage ou perçage, des billettes chaudes de forme quelconque
US3416679A (en) * 1967-01-16 1968-12-17 Stobb Inc Signature feeder
US4227875A (en) * 1978-09-12 1980-10-14 Calcimatic International Limited Rotary hearth for calcining kiln
DE4041692C1 (fr) * 1990-12-24 1992-04-02 Johann 8391 Sonnen De Binder
US5452886A (en) * 1993-08-09 1995-09-26 Heidelberger Druckmaschinen Ag Device for slowing down signatures in a folding machine
US5355992A (en) * 1993-10-15 1994-10-18 Utility Technical Services, Inc. Belt cleaning apparatus
US5544733A (en) * 1994-09-30 1996-08-13 Jervis B. Webb Company Wheeled luggage tipper
US5613594A (en) * 1995-08-10 1997-03-25 Stein, Inc. Conveyor belt treatment apparatus
US5641263A (en) * 1996-01-19 1997-06-24 Vulcan Tool Corporation Bundle unscrambler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5721164A (en) * 1980-07-14 1982-02-03 Hitachi Ltd Facsimile device
EP0059873A1 (fr) * 1981-03-07 1982-09-15 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de prélèvement d'imprimés des disques de réception d'un appareil de pliage
DE3513353A1 (de) * 1984-06-27 1986-01-09 VEB Kombinat Polygraph "Werner Lamberz" Leipzig, DDR 7050 Leipzig Stapelauslage fuer hochkant gestapelte falzbogen
EP0490272A1 (fr) * 1990-12-13 1992-06-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Dispositif de guidage pour l'empilage de feuilles de papier
EP0662439A1 (fr) * 1993-12-23 1995-07-12 Kba-Planeta Ag Dispositif de guidage pneumatique de feuilles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 087 (E - 108) 25 May 1982 (1982-05-25) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1095770A1 (fr) * 1999-10-30 2001-05-02 MAN Roland Druckmaschinen AG Appareil de nettoyage pour un dispositif de guidage de feuilles d'une machine rotative d'impression

Also Published As

Publication number Publication date
DE59903614D1 (de) 2003-01-16
US6145649A (en) 2000-11-14
EP0941956B1 (fr) 2002-12-04
DE19903888A1 (de) 1999-09-16

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