EP0824083B1 - Dispositif pour enlever des feuilles d'une pile et pour transporter les feuilles loin de la pile - Google Patents

Dispositif pour enlever des feuilles d'une pile et pour transporter les feuilles loin de la pile Download PDF

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Publication number
EP0824083B1
EP0824083B1 EP19970112546 EP97112546A EP0824083B1 EP 0824083 B1 EP0824083 B1 EP 0824083B1 EP 19970112546 EP19970112546 EP 19970112546 EP 97112546 A EP97112546 A EP 97112546A EP 0824083 B1 EP0824083 B1 EP 0824083B1
Authority
EP
European Patent Office
Prior art keywords
segment
guide block
frame
clearance
web
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
EP19970112546
Other languages
German (de)
English (en)
Other versions
EP0824083A2 (fr
EP0824083A3 (fr
Inventor
Hans Weller
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.)
MBO Postpress Solutions GmbH
Original Assignee
Maschinenbau Oppenweiler Binder 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 Maschinenbau Oppenweiler Binder GmbH and Co KG filed Critical Maschinenbau Oppenweiler Binder GmbH and Co KG
Publication of EP0824083A2 publication Critical patent/EP0824083A2/fr
Publication of EP0824083A3 publication Critical patent/EP0824083A3/fr
Application granted granted Critical
Publication of EP0824083B1 publication Critical patent/EP0824083B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/12—Suction bands, belts, or tables moving relatively to the pile
    • B65H3/124—Suction bands or belts
    • 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
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/224—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction belts

Definitions

  • the invention relates to a device for removing sheets from a stack and to transport the sheets away from the stack with a machine-definable frame, with an over rollers on the frame side can be tensioned and endlessly rotating Timing belt, one between two adjacent teeth Chamber forms, each of which is substantially centered Tooth longitudinal extension has an opening, with a frame-side guide block, which is a guide surface for the timing belt, with two equally large, on an axis protruding from the frame to form a Space between coaxially and rotatably mounted discs, that are 1.5 to 5 times the diameter which is the roller, and which are arranged so that their Circumferential surfaces on the inlet side of the toothed belt in the Guide block touch its guide surface and on a correspondingly shaped top of the guide block rotatable are recorded with one in the space between the inner end faces of the discs extending web of Guide block, in which a toothed belt inlet side Sheet transport direction extending, the openings in the toothed belt associated recess is formed
  • the guide block has a groove in its guide surface, whose depth to the groove bottom is essentially the strength of the Timing belt and its width essentially its width corresponds, whereby the chambers are laterally limited.
  • the distance between the outer end faces of the discs is dimensioned that it corresponds to the width of the groove, the peripheral surfaces of the pulleys on the inlet side of the toothed belt in the Guide block touch the groove bottom.
  • a bridge of the guide block In the space extends between the inner end faces of the disks a bridge of the guide block.
  • Suction channel formed with a to the guide surface in essentially vertical suction opening opens into the recess.
  • the suction channel of the guide block is via one valve and one Control device can be connected to a vacuum source.
  • the object underlying the invention is therefore in the device of the type described above to design that all sheet formats, including rounded and very short bends that can be at an angle to the toothed belt, trouble-free removed from the stack and transported away can.
  • the suction point can be optimally related adjust the shape and format of the sheets to be removed from the stack, even with the timing belt running and itself rotating disks and rollers what the setting of the device on sheet form and sheet format considerably simplified and after optimizing the setting, the perfect sheet acceptance and ensures trouble-free sheet transport.
  • the circumferential surface of the segment expediently extends over an angle of 40 ° to 70 °, preferably 50 °.
  • the recess of the segment advantageously extends over an angle of 15 ° to 30 °, preferably 20 °.
  • the longitudinal extent of the recess in the web of the guide block is preferably 0.5 times the longitudinal extent of the Recess in the peripheral surface of the segment.
  • control element in its disc-free Area has an elongated hole that is parallel to the recess extends in the peripheral surface of the segment, and that in Frame formed a threaded hole facing the slot is in which a bolt extending through the elongated hole is screwed, the head for locking the actuator Has.
  • the longitudinal extent of the elongated hole is expedient dimensioned so that in the respective stop position of bolts and slot the segment from its middle position, in the the axis of the suction channel is substantially perpendicular to Guide surface of the guide block extends through an angle of 35 °, preferably 20 °, around its pivot axis in the clockwise direction. or is pivoted counterclockwise.
  • the adjusting element in an incision in its disc-free area starting from its side opposite the sleeve in extends substantially radially with respect to the disks.
  • In the Incision engages a peg that comes from an opening is interspersed with an internal thread, which is essentially parallel to the section of the toothed belt on the receiving side of the bow extends.
  • an external thread on a rod engages with one thread-free end rotatable in one approach Frame is supported on one side of the pin, in threaded engagement with a frame-side guide on the other Side of the pin stands and at its other end a rotating element wearing.
  • the device shown in the drawings has a drive roller 3, a tension roller 4, a guide roller 5 and two Discs 32 and 33 over which an endless toothed belt 15 is guided is. All components mentioned are made of one plate composite frame 8 set or stored on a machine part, not shown, can be determined.
  • the device is with respect to a stack 1 of sheet 2 with the Discs 32 and 33 in suction distance above the top one Sheet 2 of the stack 1 arranged as shown in Fig. 1 is.
  • a fixed to the frame 8 guide block 11 has one the toothed belt 15 facing flat, substantially horizontal Guide surface 16 while its opposite top 19 circular in the area of the disks 32 and 33 is that the peripheral surfaces of the washers 32 and 33 non-contact, but very close to the top 19 of the guide block 11 can circulate.
  • the leadership block 11 thereby extends with a web 34 under and between the disks 32 and 33 to where the peripheral surface of the disks 32 and 33, the guide surface 16 of the guide block 11 or its web 34 tangent.
  • the endlessly circulating toothed belt 15 has, as in FIG. 3, too is seen from one of the guide surface 16 facing flat band protruding, arranged at the same distance Teeth that form chambers 22 between themselves, which in themselves its webs extending in the longitudinal direction are delimited at the end are.
  • Teeth that form chambers 22 between themselves, which in themselves its webs extending in the longitudinal direction are delimited at the end are.
  • In each of the chambers 22 opens one through the band surface through opening 17, which is on the center of the tooth longitudinal extension is provided.
  • These openings 17 is a recess 20 extending in the direction of sheet travel Web 34 of the guide block 14 assigned from the inlet side the timing belt 15 starts.
  • the frame 8 stands out an axis 30, which has a geometric axis 51, to the outside before, on which the frame 33 is mounted away from the frame.
  • On the Axle 30 is pivotally seated on a sleeve 44 on which the frame is close Disk 32 is mounted.
  • the sleeve 44 protrudes with her one end into the space 25 between the inner end faces 35 and 36 of the disks 32 and 33, respectively. In this space 25, a segment 40 is attached to the sleeve 44.
  • the segment 40 has a peripheral surface 41 which is the same Radius like the discs 32 and 33, so that they are non-contact at a very short distance from the top 19 of the Web 34 of the guide block 11 is arranged, and the in the embodiment shown based on the pivot axis 30 extends over an angle of about 50 °.
  • the Center of the peripheral surface 41 of the segment 40 opens into the Segment 40 radially formed suction opening 18 in a circumferential side recess 48 provided on segment 40, the aligned with the recess 20 in the web 34 of the guide block 11 is aligned and over an angle of about 20 ° extends.
  • the radial suction opening 18 opens into an axial one Suction line 42 in the axis 30, which extends through the frame 8 in a connector 43 which extends via a valve 12 a control part 13 can be connected to a vacuum source, whereby a vacuum controlled by the suction opening 18 the recess 48 and possibly the recess 20 are created can be.
  • an actuator 45 attached with a handle 50.
  • an elongated hole 47 which in the position of the segment 40 of Fig. 1, in which the suction opening 18 in is oriented substantially perpendicular to the toothed belt 15, runs horizontally.
  • frame 8 is based on the segment position 1 in extension of the radial axis of the Suction opening 18 is formed a threaded bore 49 into which the The shaft of a bolt is screwed into the slot 47 assigned locking head 46, with the help of which set position of the actuator 45 and thus the Segment 40 can be fixed by tightening.
  • Figs. 4 and 5 The two end positions of segment 40, in which the bolt strikes at slot 47 are shown in Figs. 4 and 5.
  • In 4 is the suction length of the recess 48 and recess 20 are the shortest because part of the recess 48 is covered by the top 19 of the web 34.
  • In the 5 is the suction length of recess 48 and recess 20 longest since they add up.
  • the segment 40 can be in the arrangement shown on the Control element 45 and the hand lever 50 with the toothed belt running Bring 50 into the desired position and tighten the Set locking head 46, depending on the shape and Format of the sheets their perfect removal and trouble-free Can be removed.
  • an incision 60 which is from its side opposite the sleeve 44 from perpendicular to Recess 48 extends in the peripheral surface 41 of the segment 40.
  • a pin 61 engages in the incision 60 its end, which is set by the actuating element 45 on the frame 8 protrudes from the opposite side, carries an external thread and the on the side of the actuating element facing the frame 8 45 continues in a block through which one is not shown Opening with an internal thread, whose axis extends parallel to the extent of the recess 48 in the peripheral surface 41 of the segment 40 extends if this is the one in FIG. 6 shown middle position.
  • a rod 63 that is on its central portion with an external thread is provided with this external thread in thread engagement with the internal thread belonging to the pin 61 Opening.
  • the rod 63 is with its thread-free one End rotatably mounted in a shoulder 64 on the frame 8, which is is located on one side of the actuator 45.
  • On the other side of the actuator 45 is a guide on the frame 8 65 with an internal thread attached to the external thread the rod 63 engages in threaded engagement.
  • the other End of the rod 63 has a rotating element 66 in the form of a Knob on.
  • the rod 63 By turning the knob 66, the rod 63 is in her Bearing turned 64. Due to the thread engagement with the guide 55 and the opening belonging to the pin 61 the pin 61 depending on the direction of rotation of the rod 63 in Direction of the longitudinal axis of the rod 63 in one way or the other Moved direction, whereby the actuator 45 by the Engagement of the pin 61 with the incision 67 on the one hand or other side is pivoted at an angle.
  • Locking nut 67 can be screwed in the desired Swivel position of the actuator 45 and thus in the desired Swivel position of the segment 40 against the actuator 45 to fix this position can.

Landscapes

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

Claims (8)

  1. Dispositif pour enlever des feuilles (2) d'une pile (1) et pour transporter les feuilles (2) loin de la pile (1)
    avec un cadre (8) pouvant être fixé du côté machine ;
    avec une courroie dentée (15) tournant sans fin et pouvant être serrée par l'intermédiaire de galets (3, 4, 5) logés du côté cadre, qui forme, entre deux dents voisines, chaque fois une chambre (22), dont chacune, de manière sensiblement centrale par rapport à l'extension longitudinale des dents, présente au moins une découpure (17);
    avec un bloc de guidage (11) fixé du côté cadre qui présente une face de guidage (16) pour la courroie dentée (15);
    avec deux poulies (32,33) d'égale grandeur montées à distance de manière coaxiale et rotative sur un axe (30) saillant du cadre (8) en formant un espace intermédiaire (25), qui ont un diamètre 1,5 à 5 fois plus grand que celui des galets (3, 4, 5), et qui sont disposées de sorte que leurs faces périphériques sur le côté d'entrée de la courroie dentée (15) dans le bloc de guidage (11) sont tangentes à la face de guidage (16) de celui-ci et sont reçues de manière rotative sur un côté supérieur (19) formé de manière appropriée du bloc de guidage (11);
    avec une âme (34) du bloc de guidage (11) s'étendant dans l'espace intermédiaire (25), entre les faces frontales intérieures (35, 36) des poulies (32, 33), dans laquelle, du côté entrée de la courroie dentée, est formée une cavité (20) s'étendant dans la direction de transport des feuilles et adjoint aux découpures (17) dans la courroie dentée (15), et
    avec une ouverture d'aspiration (18) pouvant être raccordée à une source de vide par l'intermédiaire de laquelle les découpures (17) dans la courroie dentée (15) peuvent être soumises au vide,
    caractérisé
    en ce que l'âme (34) du bloc de guidage (11) est courbée comme les faces périphériques des poulies (32, 33) sur son côté supérieur (19) opposé à la face de guidage (16) ;
    en ce que, dans l'espace intermédiaire (25) entre les poulies (32, 33) est disposé, de manière coaxiale par rapport à elles dans une zone prédéfinie, un segment (40) pouvant effectuer un mouvement de balayage horizontal, dont la face périphérique (41) tournée vers le côté supérieur (19) de l'âme (34) du bloc de guidage (11) est adaptée à la courbure du côté supérieur (19) de l'âme (34);
    en ce que l'ouverture d'aspiration (18) est formée de manière radiale dans le segment (40), communique avec un canal d'aspiration axial (42) dans l'axe (30) abritant la poulie éloignée du cadre (33) et débouche, du côté cadre, dans une pièce de raccordement (43) pour la source de vide;
    en ce que la poulie proche du cadre (32) est logée dans une douille (44) pouvant effectuer un mouvement de balayage horizontal sur l'axe (30), sur l'une des extrémités de laquelle le segment (40), et sur l'autre extrémité de laquelle un élément de réglage (45, 50) verrouillable (46, 49) est fixé;
    en ce qu'un évidement (48) est formé dans la face périphérique (41) du segment (40) aligné sur la cavité (20) dans le bloc de guidage (11), dans lequel l'ouverture d'aspiration (18) débouche de manière sensiblement centrale, et
    en ce que la cavité (20) dans l'âme (34) du bloc de guidage (11) a une extension longitudinale qui s'élève à 0,4 à 0,7 fois l'extension longitudinale de l'évidement (48) dans la face périphérique du segment (40).
  2. Dispositif selon la revendication 1, caractérisé en ce que la face périphérique (41) du segment (40) s'étend sur un angle de 40° à 70°, de préférence de 50°.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que l'évidement (48) dans la face périphérique (41) du segment (40) s'étend sur un angle de 15° à 30°, de préférence de 20°.
  4. Dispositif selon l'une des revendications précédentes, caractérisé en ce que la cavité (20) dans l'âme (34) du bloc de guidage (11) comporte une extension longitudinale qui s'élève à 0,5 fois l'extension longitudinale de l'évidement (48) dans la face périphérique du segment (40).
  5. Dispositif selon l'une des revendications précédentes, caractérisé
    en ce que l'élément de réglage (45) présente, dans sa zone sans poulie, un trou oblong (47) qui s'étend parallèlement à l'évidement (48) dans la face périphérique (41) du segment (40), et
    en ce que, dans le cadre (8) est formé un alésage fileté (49) tourné vers le trou oblong, dans lequel, s'étendant à travers le trou oblong (47), est vissé un axe qui a une tête (46) pour bloquer l'élément de réglage (45).
  6. Dispositif selon la revendication 5, caractérisé en ce que l'extension longitudinale du trou oblong (47) est dimensionnée de sorte que, dans chaque contact de l'axe et du trou oblong (47), le segment (40) effectue un mouvement de balayage horizontal depuis sa position centrale, dans laquelle l'axe du canal d'aspiration (18) s'étend de manière essentiellement perpendiculaire à la face de guidage (16) du bloc de guidage (11), d'un angle de 35°, de préférence de 20°, autour de son axe de pivotement (51) dans le sens des aiguilles d'une montre resp. dans le sens contraire des aiguilles d'une montre.
  7. Dispositif selon l'une des revendications 1 à 4, caractérisé
    en ce que l'élément de réglage (45) présente, dans sa zone sans poulie, une encoche (60) qui s'étend depuis son côté opposé à la douille (44) de manière essentiellement radiale par rapport aux poulies (32, 33);
    en ce que dans l'encoche (60), un tourillon (61) est engagé qui est traversé par une ouverture avec un filet intérieur qui s'étend de manière essentiellement parallèle à la section du côté de réception des feuilles de la courroie dentée,
    en ce qu'en contact avec le filetage intérieur de l'ouverture du tourillon (61), il y a un filetage extérieur sur une tige (63), qui est montée à rotation dans une tubulure (64) du cadre (8) sur l'un des côtés du tourillon (61), avec l'extrémité qui n'est pas filetée, qui est en contact fileté avec un guidage du côté cadre (65) sur l'autre côté du tourillon (61), et qui porte un élément rotatif (66) sur son autre extrémité.
  8. Dispositif selon la revendication 7, caractérisé par un écrou d'arrêt (67) se trouvant en contact avec un filet sur l'extrémité du tourillon saillant de l'encoche (60) et pouvant être serré contre l'élément de réglage (45).
EP19970112546 1996-08-13 1997-07-22 Dispositif pour enlever des feuilles d'une pile et pour transporter les feuilles loin de la pile Expired - Lifetime EP0824083B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19632657 1996-08-13
DE1996132657 DE19632657C1 (de) 1996-08-13 1996-08-13 Vorrichtung zur Abnahme von Bogen von einem Stapel und zum Transport der Bogen weg vom Stapel

Publications (3)

Publication Number Publication Date
EP0824083A2 EP0824083A2 (fr) 1998-02-18
EP0824083A3 EP0824083A3 (fr) 1998-09-30
EP0824083B1 true EP0824083B1 (fr) 2000-03-29

Family

ID=7802552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970112546 Expired - Lifetime EP0824083B1 (fr) 1996-08-13 1997-07-22 Dispositif pour enlever des feuilles d'une pile et pour transporter les feuilles loin de la pile

Country Status (2)

Country Link
EP (1) EP0824083B1 (fr)
DE (1) DE19632657C1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012016831A1 (de) 2011-09-22 2013-03-28 Heidelberger Druckmaschinen Ag Bogenanleger und Falzmaschine mit einem solchen Bogenanleger
DE102011120475A1 (de) 2011-12-08 2013-06-13 Heidelberger Druckmaschinen Aktiengesellschaft Bogenanleger mit zwei Saugrädern
DE102011120476A1 (de) 2011-12-08 2013-06-13 Heidelberger Druckmaschinen Aktiengesellschaft Unrundes Saugrad
CN114974007B (zh) * 2022-07-05 2025-10-31 利亚德(湖南)光电有限公司 Led显示屏

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410026C1 (de) * 1984-03-19 1990-01-04 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Vorrichtung zur Abnahme von Bogen von einem Stapel und zum Transport der Bogen weg vom Stapel
DE8706576U1 (de) * 1987-05-07 1988-01-21 Maschinenbau Oppenweiler Binder GmbH & Co, 7155 Oppenweiler Vorrichtung zur Abnahme von Bogen von einem Stapel und zum Transport des Bogens weg vom Stapel
FR2674834B1 (fr) * 1991-04-03 1993-07-30 Darchis Pierre Dispositif d'extraction un a un d'objets plats a partir d'une pile de tels objets, notamment des enveloppes de lettres.

Also Published As

Publication number Publication date
EP0824083A2 (fr) 1998-02-18
DE19632657C1 (de) 1997-09-18
EP0824083A3 (fr) 1998-09-30

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