EP0706963B1 - Appareil de transport et d'alignement de feuilles - Google Patents

Appareil de transport et d'alignement de feuilles Download PDF

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Publication number
EP0706963B1
EP0706963B1 EP95116183A EP95116183A EP0706963B1 EP 0706963 B1 EP0706963 B1 EP 0706963B1 EP 95116183 A EP95116183 A EP 95116183A EP 95116183 A EP95116183 A EP 95116183A EP 0706963 B1 EP0706963 B1 EP 0706963B1
Authority
EP
European Patent Office
Prior art keywords
straightedge
transport
transport rollers
transport rolls
limb
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
EP95116183A
Other languages
German (de)
English (en)
Other versions
EP0706963A1 (fr
Inventor
Günther Thieme
Lutz Richter
Jürgen Röder
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.)
Brehmer Buchbindereimaschinen GmbH
Original Assignee
Brehmer Buchbindereimaschinen GmbH
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 Brehmer Buchbindereimaschinen GmbH filed Critical Brehmer Buchbindereimaschinen GmbH
Publication of EP0706963A1 publication Critical patent/EP0706963A1/fr
Application granted granted Critical
Publication of EP0706963B1 publication Critical patent/EP0706963B1/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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/16—Inclined tape, roller, or like article-forwarding side registers
    • B65H9/166—Roller

Definitions

  • the invention relates to a sheet transport and alignment device with at least one guide ruler and across this arranged, driven transport rollers and against their lateral surface, freely rotatable and the Guide ruler adjacent transport rollers.
  • Such a sheet transport and alignment device is for Sheets of paper, cardboard or the like on machines for book-binding processing, especially at feed tables of folding machines, usable.
  • the transport rollers are supported by their spring force, if necessary Dead weight with the surface of the transport rollers in contact as long as the contact is not funded by a Arc is temporarily interrupted.
  • the alignment effect is known from a DD 297 621 A5 Sheet transport and alignment device by arranging the Transport rollers at an angle of approximately 3 ° to the vertical reached on the ruler.
  • the axes of the transport rollers and transport rollers are each perpendicular and parallel on top of each other.
  • the transport rollers are on a bow-shaped lever deflectably mounted on the guide ruler and are by means of a rope loading their axes against the transport rollers. By the little one
  • the slip angle of the transport rollers becomes the slip minimized on the conveyed sheets, creating unwanted Markings on the arches can be avoided.
  • GB 2 232 661 A describes a device for transporting Aligning and stacking envelopes known in which the transport rollers inclined with respect to the guide direction are rotatably mounted on a lever arm. Each two such lever arms with a transport roller are next to each other attached to one on the frame of the device Shaft attached.
  • the transport rollers would use the printed space of the sheets come into contact and printing ink absorb, which leads to smearing on subsequent sheets would.
  • the invention has for its object to provide a sheet transport and alignment device in which the Transport rollers are attached so that an alignment of the transported sheets guaranteed without the inclusion of printing ink is.
  • the slip between Sheets and transport rollers further reduced.
  • the axes of the transport rollers are perpendicular to the guide ruler and the axes of the transport rollers against that of the transport rollers towards the guide ruler inclined. It was found that an inclination of the Transport rollers can be dispensed with entirely.
  • the for Sheet alignment required, directed towards the guide ruler Force component can surprisingly by itself inclined transport rollers are generated, though this only with a narrow edge area of the arch in Come while the transport rollers are moving over the extend the entire sheet width. Is of increased importance however, the pressing force with which the transport rollers are loaded against the transport rollers. thats why in the preferred embodiment, this pressing force is adjustable.
  • which which the pressure force of at least certain transport rollers is individually adjustable while being used for other transport roles is adjustable in groups.
  • a frame 10 of the sheet transport and alignment table are driven transport rollers 12 at the same height, in parallel to each other and rotatably mounted at regular intervals.
  • the transport rollers 12 together form a transport plane for the sheets 14 to be aligned, their transport direction each illustrated in the drawing by an arrow is.
  • a guide ruler 16 is attached to the frame 10, which extends in the longitudinal direction of the frame 10.
  • the axes of the transport rollers 12 form an angle of 90 ° with the guide ruler 16.
  • Each transport roller 12 is a transport roller 18a or 18b assigned, wherein the transport rollers 18a cylindrical and the transport rollers 18b are approximately hemispherical. How 3 shows, the transport rollers 18a and 18b at the free end of one of the two legs 20, 22 one bow-shaped lever 24 freely rotatable.
  • the two Legs 20, 22 of this lever 24 are by a lever arm 26 connected to each other.
  • the leg 22 is rectangular to the lever arm 26 and on a pin 28 which is on the guide ruler 16 is screwed, rotatably mounted.
  • the other Leg 20 forms an angle with the lever arm 26 slightly more than 90 °, for example 95 °.
  • the leg 20 extends each through an opening 30 in the guide ruler 16 from its side facing away from the arch to its alignment side. Since the diameter of the transport rollers 18 the the clear width of the openings 30, the transport rollers 18a and 18b each through an opening 30 protruding free end of the leg 20 pushed and secured with a snap fit in the axial direction.
  • This angle can be approximately 5 °.
  • the transport rollers 18a, 18b are already by their own weight and the weight of their suspension on the ruler loaded towards the transport rollers 12. To increase the However, their axes are additionally pressing against the Transport rollers acted on.
  • the additional pressure force is generated by a tensioned wire 32, each a bearing pin 28 and one protruding from the lever arm 26 Pin 34 partially wraps around.
  • the one generated by the wire 32 Contact pressure is determined by its tension. This tension can be by means of a tensioning device 36 one end of the guide ruler 16 can be set.
  • the hemispherical transport rollers 18b face each other the cylindrical 18a the advantage that it can only be used with one very narrow edge area along the alignment edge of the Guide rulers 16 engage and thus in the pressure-free Space of the arch remain. Therefore it cannot Ink or ink are absorbed on these transport rollers respectively.
  • the cylindrical transport rollers 18a are only in the infeed of the sheet transport and alignment table needed where the sheets are still scattered and about 10 mm from the alignment edge of the guide ruler 16 are removed can.
  • the wider engagement surface of the cylindrical Transport rollers 18a ensures here that the sheet quickly and safely detected and to the alignment edge of the Guide rulers 16 is promoted.
  • FIGS. 1-3 all Transport rollers 18a, 18b by a single tensioned Wire 32 applied simultaneously and with the same pressure force.
  • the embodiment of Figure 4 differs differs from that according to FIGS. 1-3 only in that two groups of transport rollers are formed, each of which a tensioned wire 32a or 32b is assigned to the two groups of transport rollers with different To apply pressure forces.
  • there are individual adjustment devices 38a, 38b provided by each a transport roller with an individually adjustable pressure can be applied.
  • Figure 5 differs from that according to Figure 1 in that on both sides of the transport route Sheets 14 each have a guide ruler 16a or 16b with the associated Transport rollers is provided.
  • the arches 14 can therefore, if necessary, on the left or right of the guide ruler 16a or 16b are aligned.
  • FIG 6 finally shows a modification of the embodiment according to Figure 1, which consists only in that only hemispherical transport rollers 18b are used.
  • This Embodiment is used in conjunction with a corner conveyor table (not shown) used, of which the sheets 14 are parallel to fed to the transport rollers 12 and against the guide ruler 16 become. By rounding the transport rollers 18b the sheets 14 slide under these transport rollers until they come into engagement with their active surface.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (7)

  1. Dispositif de transport et d'alignement de feuilles comportant au moins un rail de guidage (16) et, agencés transversalement par rapport à celui-ci, des rouleaux (12) motorisés de transport, ainsi que, sollicités contre leurs enveloppes au voisinage du rail de guidage (16), des galets (18a, 18b) de transport à rotation libre, caractérisé en ce que les galets (18a, 18b) de transport sont tous montés à débattement sur un levier (24) coudé supporté à pivotement par le rail (16) de guidage et que le levier (24) est formé en étrier avec une première branche (22) montée à pivotement autour de son axe d'un côté du rail (16) de guidage, une deuxième branche (20) s'étendant à travers une ouverture du rail (16) de guidage vers l'autre côté de celui-ci et ayant une extrémité libre sur laquelle est monté à rotation un galet (18a, 18b) de transport, ainsi qu'avec un bras de levier (26) reliant les branches (20, 22).
  2. Dispositif suivant la revendication 1, caractérisé en ce que la force d'appui avec laquelle les galets (18a, 18b) sont appliqués contre les rouleaux (12) de transport est ajustable.
  3. Dispositif suivant la revendication 2, caractérisé en ce que la force d'appui d'au moins certains galets (18a, 18b) de transport est ajustable individuellement.
  4. Dispositif suivant la revendication 2, caractérisé en ce que la force d'appui d'au moins un groupe de galets (18a, 18b) de transport est ajustable en commun.
  5. Dispositif suivant la revendication 4, caractérisé en ce que la force d'appui du groupe de galets (18a, 18b) de transport est ajustée par un fil (32) tendu qui engage les axes des galets de transport.
  6. Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce que la première branche (22) est agencé à angle droit et la deuxième branche (20) à plus de 90° par rapport au rail (16) de guidage.
  7. Dispositif suivant l'une quelconque des revendications précédentes, caractérisé en ce qu'un rail (16a, 16b) de guidage avec galets (18a, 18b) de transport associés est prévu suivant chaque côté longitudinal du chemin de transport défini par les rouleaux (12) de transport.
EP95116183A 1994-10-13 1995-10-13 Appareil de transport et d'alignement de feuilles Expired - Lifetime EP0706963B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4436681A DE4436681A1 (de) 1994-10-13 1994-10-13 Bogentransport- und Ausrichtvorrichtung
DE4436681 1994-10-13

Publications (2)

Publication Number Publication Date
EP0706963A1 EP0706963A1 (fr) 1996-04-17
EP0706963B1 true EP0706963B1 (fr) 1999-03-31

Family

ID=6530723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95116183A Expired - Lifetime EP0706963B1 (fr) 1994-10-13 1995-10-13 Appareil de transport et d'alignement de feuilles

Country Status (2)

Country Link
EP (1) EP0706963B1 (fr)
DE (2) DE4436681A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10212496B4 (de) * 2002-03-21 2007-05-31 Kolbus Gmbh & Co. Kg Vorrichtung zum Transportieren und seitlichen Ausrichten von einzelnen Bogen
ITTO20080409A1 (it) * 2008-05-28 2009-11-29 Giorgio Petratto Attrezzo allineatore per l'allineamento di sbozzati in una macchina piegatrice-incollatrice e macchina piegatrice-incollatrice provvista di tale attrezzo

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE569693C (de) * 1929-04-06 1933-02-06 Camco Machinery Ltd Ausrichtvorrichtung fuer Walzenfoerdertische von Papierfalzmaschinen o. dgl.
US2464173A (en) * 1945-11-02 1949-03-08 Broadmeyer Albert Conveyer and guide
US3179406A (en) * 1962-02-12 1965-04-20 Ibm Sheet handling apparatus
US4775142A (en) * 1987-02-26 1988-10-04 Pitney Bowes Inc. Roller apparatus for side registration of documents
GB2232661B (en) * 1989-04-24 1994-01-26 Pitney Bowes Inc A transport deck module and a universal modular transport system for envelopes.
DD297621B5 (de) 1990-09-07 1997-01-23 Brehmer Buchbindereimaschinen Transport- und Ausrichteeinrichtung von Boegen

Also Published As

Publication number Publication date
EP0706963A1 (fr) 1996-04-17
DE59505493D1 (de) 1999-05-06
DE4436681A1 (de) 1996-04-18

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