EP1350748B1 - Vorrichtung zum Wenden von Stapeln von Bogenmaterial - Google Patents

Vorrichtung zum Wenden von Stapeln von Bogenmaterial Download PDF

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Publication number
EP1350748B1
EP1350748B1 EP03003946A EP03003946A EP1350748B1 EP 1350748 B1 EP1350748 B1 EP 1350748B1 EP 03003946 A EP03003946 A EP 03003946A EP 03003946 A EP03003946 A EP 03003946A EP 1350748 B1 EP1350748 B1 EP 1350748B1
Authority
EP
European Patent Office
Prior art keywords
piles
stripping
fold
belt conveyor
move
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
EP03003946A
Other languages
English (en)
French (fr)
Other versions
EP1350748A2 (de
EP1350748A3 (de
Inventor
Nicolas Brizzi
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.)
Bobst Mex SA
Original Assignee
Bobst 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 Bobst SA filed Critical Bobst SA
Publication of EP1350748A2 publication Critical patent/EP1350748A2/de
Publication of EP1350748A3 publication Critical patent/EP1350748A3/de
Application granted granted Critical
Publication of EP1350748B1 publication Critical patent/EP1350748B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H15/00—Overturning articles
    • B65H15/02—Overturning piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H15/00—Overturning articles
    • B65H15/016—Overturning articles employing rotary or reciprocating elements supporting transport means
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/332—Turning, overturning
    • B65H2301/3321—Turning, overturning kinetic therefor
    • B65H2301/33214—Turning, overturning kinetic therefor about an axis perpendicular to the direction of displacement and parallel to the surface of 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
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/33—Modifying, selecting, changing orientation
    • B65H2301/332—Turning, overturning
    • B65H2301/3322—Turning, overturning according to a determined angle
    • B65H2301/33224—180°

Definitions

  • the present invention relates to a device for returning stacks of sheet material, comprising a frame having an inlet and an outlet, aligned along a longitudinal path of travel of said stacks, a turning clamp pivotally mounted about a horizontal axis, transverse to said longitudinal path, comprising two conveyors arranged facing each other, one of which serves to receive said stacks entering the device and the other of which serves to evacuate said stacks after rotation of said turnaround support around said axis and means for exerting pressure on said stacks through said carriers during said rotation.
  • Such a device is disclosed for example in the document JP-A-58-095,053 .
  • Cardboard blanks with an impression on one side are cut with the printed side facing upwards.
  • the printed side In the rest of the process leading to a folder-gluer for the shaping of the cuts, the printed side must be turned down, which requires the reversal stacks of cuts.
  • Such work is extremely painful, all the more painful as the surface of the cutouts is large, the hardness due to the reversal of such batteries having nothing to do with the simple fact of wearing these same batteries. Thus, a worker may have to return several tons of cardboard per day.
  • the object of the present invention is to provide a reliable solution to the problem of turning over stacks of sheet material while creating a buffer zone allowing freedom of loading for the operator.
  • the present invention relates to a device for returning stacks of sheet material according to claim 1.
  • This device allows a fully automatic supply of the folder-gluer.
  • the only manual intervention consists in placing stacks of cardboard sheets on a conveyor belt that is upstream of this device.
  • This allows a continuous supply of a premargor disposed between the turning device and the folder-gluer.
  • the operating rates of the folder-gluer fed from this device for turning the batteries can be substantially increased.
  • the figure 1 is a side elevational view of this device in the evacuation position
  • FIGS. 2 to 6 are very simplified diagrams of the device illustrated by the figure 1 , intended to show the different stages of a battery reversal cycle.
  • the battery reversing device illustrated by the figure 1 comprises a frame 1 generally parallelepiped shaped, delimited by two parallel side walls connected by two walls or spacers, respectively lower, respectively, the whole being mounted on four wheels 2 in engagement with guide rails 3 and associated with blocking 4.
  • the front end of an endless conveyor belt 5 of a feed unit enters this parallelepiped-shaped frame 1 through an opening in a transverse wall thereof relative to the direction of scrolling piles of cardboard sheets 6 which is parallel to the view of the figure 1 .
  • This parallelepiped frame 1 passes through its opposite transverse wall and communicates with a pre-plug 7 which has an inclined surface formed by a conveyor belt 8 located below the level of the output of the battery reversing device.
  • a reversing clamp 12 is disposed between two parallel support plates 15, pivotally mounted inside this parallelepiped-shaped frame 1, each on one of the two parallel side walls of this frame 1, about a horizontal axis 13. , transverse to the aforementioned travel trajectory of the stacks 6, so as to describe a circular trajectory 9 around the pivot axis 13.
  • These two parallel support plates 15 are connected to one another by transverse struts in FIG. so that they are secured to one another about the pivot axis 13.
  • the actual clamp is formed by a series of rollers 10, mounted transversely between the two parallel support plates 15 and by a belt conveyor 11.
  • the carpet conveyor 11 is freely rotated around a part of the aforementioned spacers connecting the two Parallel support plates 15.
  • the rollers of the series of rollers 10 are pivotally mounted on a frame 16 which is slidably mounted by means of four guide slides 14 integral respectively in pairs with parallel support plates 15. These slides of FIG. guide 14 are vertical when the collet is in the position of receiving or evacuating batteries.
  • the frame 16 is secured to a transmission arm 17 articulated to a rocker 18 connected to the rod of a jack 19 intended to move the frame 16 along the guide slides 14.
  • This series of rollers 10 is intended to receive the stacks of sheets 6 when they enter the overturning device, and then press them against the conveyor belt 11, secured to the parallel support plates 15, to hold them firmly during their turn.
  • the conveyor belt 11 is secured to the collet 12 and its ends pivot in the two parallel side plates 15 of the collet 12.
  • This conveyor belt 11 forms a segment whose two ends are adjacent to a circle 9 formed by the circular trajectory of the turning clamp 12 rotating about the axis 13.
  • This conveyor belt 11 is driven by a motor 21.
  • the conveyor belt 11 drives a push carriage 25 slidably mounted on two lateral guide rails 26, secured to the respective parallel support plates 15, a pusher carriage 25 to which is attached a telescopic stop 27 which extends between the conveyor belt 11 and the series of rollers 10.
  • a return spring 28 is used to adapting the length of the telescopic stop 27 to the distance between the conveyor belt 11 and the series of rollers 10.
  • One of the support plates 15 is integral with a ring gear 22 in engagement with a chain 23 associated with a drive motor 24 integral with the frame 1.
  • the turning device further comprises a retaining and sliding support member 28, used for the evacuation of the returned batteries 6, to the pre-cursor 7.
  • This retaining and support member 28 comprises two parallel arms of which only one 29 is visible.
  • Each of these arms 29 is slidably mounted in a guide rail 31, each fixed to one of the side walls of the frame 1.
  • the arms 29 are connected, at their front part, by means of a spacer 20.
  • Each of the arms 29 is provided with a rack engaged with a pinion gear 30 integral with a transverse axis driven by a motor (not shown).
  • Battery holders 32 are mounted on the spacer 20 connecting one of the ends of the arms 29.
  • Detection means such as a photoelectric detector 34 ( figure 2 ) are arranged at the entrance of the turning device to allow the entry of a stack 6 to return when the turning device is ready to receive it.
  • the batteries 6 to be returned are aligned on the conveyor belt 5 of the feed unit by means of a longitudinal guide wall 33 whose lateral position can be adjusted according to the width of the cardboard blanks. forming the stacks 6, so as to accurately determine the lateral position of these stacks on the conveyor belt 5.
  • This guide wall 33 also serves to define the limits relating to the height of the stacks, which are acceptable by the reversing device.
  • the batteries 6 aligned on the conveyor belt 5 are advanced to a position located at the entrance of the reversing device, position determined by the photoelectric detector, where they wait for the end of the reversal cycle of the previous battery 6, a cycle that we will describe below.
  • a stack 6 is introduced into the collet 12 by the conveyor belt 5. When it leaves this conveyor belt 5, it rolls, by gravity, on the rollers 10, until it comes against the telescopic stop 27
  • the plane formed by the series of rollers 10 has a very small inclination towards the exit of the turning device, allowing the stack 6 to come to bear against the telescopic stop 27 by gravity.
  • the position of the telescopic stop 27 is precisely adjusted according to the size of the stack 6 in its running direction, thanks to the drive motor 21 of the conveyor belt 11 to which the push carriage 25 is fixed.
  • the jack 19 moves the series of rollers 10 towards the conveyor belt 11, thereby pinching the stack 6 between these two members 10, 11, as illustrated by the figure 3 .
  • the turning tong 12 is then driven by the motor 24 to rotate it 180 ° in the opposite direction to that of the hands of the watch, bringing the stack 6 to the position illustrated by the figure 4 .
  • the jack 19 then moves the series of rollers 10 from the conveyor belt 11, releasing both the stack 6 and the telescopic stop 27, so that the stack 6 turned 180 ° can be removed from the turning device by the conveyor. 11, in the direction of the conveyor belt 8 of the pretender 7.
  • the pusher carriage 25 integral with the conveyor belt 11 can perform this evacuation operation of the stack 6 if the pre-spreader 7 is able to receive it.
  • detection means such as photoelectric means 35 ( figure 4 ) are arranged at the exit of the turning device for detecting the upper level of the previously discharged pile 6, the cardboard blanks of which are distributed continuously to a folder-gluer (not shown) which is located downstream of the pre-spreader 7.
  • the stack support arm 32 which had accompanied the previous stack and could not return to its starting position before the level of the stack 6 allows it to pass, can then be brought back by the pinions 30 in engagement with the racks 29, as illustrated by the figure 4 .
  • the conveyor belt 11 can then move the stack 6 until it reaches the height of the arms of the battery holder 32 which, at this time, will move in synchronism with the conveyor belt 11, until the height of the gauges 36 of the pretender 7.
  • the battery support arms 32 will continue their stroke until the support part which located under the pile 6 is released from it, so that this pile falls on the residual cuts remaining on the premargeur 7.
  • the battery support arms 32 will wait for the level of the battery 6 to descend. During this time, however, the pusher carriage 25 returns to its initial position and the collet 12 rotates 180 ° in a clockwise direction so as to return to its initial position to receive a new battery 6.
  • the printed face of the cardboard blanks forming the stacks 6 is not in contact with rollers, but with the conveyor belt 11, so that the first blank of the stack is no longer marked by rollers.
  • the battery 6 is no longer pushed but positively transported.
  • the stack goes from a straight parallelepiped shape to a parallelepiped whose straight section parallel to the longitudinal scroll axis of the batteries 6 has the shape of a parallelogram .
  • the angles of the cross-section of the stack change, which causes a slippage between the adjacent cuts, favoring the separation of these cuts one of the others.
  • the position of the carriage 25 and its stop 28 can be precisely controlled by the motor 21 as a function of the size of the cardboard blanks forming the stack 6.
  • the box blanks coming out of the machine that previously worked them are in a position that does not require overturning. It is therefore possible, by playing on the programming of overturning and transporting motors, to pass the stacks of cuts through the device without reversing them, while retaining the advantages of the positive transport provided by the present device.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Pile Receivers (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Making Paper Articles (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Forming Counted Batches (AREA)
  • Discharge By Other Means (AREA)
  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Specific Conveyance Elements (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (6)

  1. Vorrichtung zum Umdrehen von Stapeln (6) aus Blattmaterial, umfassend ein Gestell (1), das einen Eingang und einen Ausgang aufweist, die entlang einer longitudinalen Durchlaufbahn der Stapel (6) ausgerichtet sind, eine Wendeklammer (12), die um eine horizontale Achse (13) schwenkbar angebracht ist, die transversal zu der longitudinalen Bahn ist, und die zwei Transporteinrichtungen (10,11) umfasst, die einander gegenüber angeordnet sind, und von denen eine (10) dazu dient, die Stapel (6) aufzunehmen, die in die Vorrichtung hineinkommen, und von denen die andere (11) dazu dient, die Stapel (6) nach der Rotation der Wendeklammer (12) um die Achse (13) zu entfernen, und Mittel (19) zum Ausüben eines Drucks auf die Stapel (6) vermittels der Transporteinrichtungen (10, 11) während der Rotation,
    dadurch gekennzeichnet, dass sie eine Transporteinrichtung umfasst, die von einem Förderband (11) gebildet ist, das zum Entfernen der Stapel (6) dient, eine Transporteinrichtung, die von eine Reihe von Rollen (10) gebildet ist, einen Schubwagen (25), teleskopische Stützpfeiler (27), die sich zwischen dem Förderband (11) und der Reihe von Rollen (10) erstrecken und Mittel (21) zum Antreiben des Förderbandes (11) derart, dass der die teleskopischen Stützpfeiler (27) stützende Schubwagen (25) bei dem Entfernen eines umgedrehten Stapels vorangetrieben wird, und dass er alternativ zurückbewegt wird.
  2. Vorrichtung nach Anspruch 1, umfassend eine an dem Ausgang der Wendeklammer (12) angebrachte Halteeinrichtung (32) zum Halten des vorderen Abschnitts der Stapel (6), Mittel (29, 31) zum Führen dieser Halteeinrichtung (32) parallel zu einer longitudinalen Bahn, Antriebsmittel (30) zum Bewegen der Halteeinrichtung (32) entlang der Führungsmittel (31), um sie synchron mit dem Schubwagen (25) voran zu bewegen, Mittel (35) zum Erkennen des Niveaus der entfernten Stapel (6) zum Einleiten der Rückkehr der Halteeinrichtung (32) zu dem Ausgang der Wendeklammer (12) mit Hilfe der Antriebsmittel (30).
  3. Vorrichtung nach Anspruch 2, in welchem das Entfernungs-Endstück der Wendeklammer (12) in Verbindung mit einer Versorgungsstelle eines Zuführers (7) steht, der eine Aufnahmeoberfläche (8) umfasst, deren Niveau niedriger als das des Förderbandes (11) ist, welches die Stapel bei ihrer Entfernung hält, wobei die Mittel (35) zum Erkennen des Niveaus der entfernten Stapel (6) dazu eingerichtet sind, die Rückkehr der Halteeinrichtung (32) einzuleiten, wenn das Niveau des entfernten Stapels (6) unterhalb des unteren Niveaus der Halteeinrichtung (32) ankommt.
  4. Vorrichtung nach Anspruch 3, in der die Aufnahmeoberfläche (8) in Bezug auf das zur Entfernung der Stapel verwendete Förderband (11) geneigt ist.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, umfassend Mittel (34) zum Erkennen des Eingangs der Stapel (6) in die Wendeklammer (12).
  6. Vorrichtung nach einem der vorhergehenden Ansprüche, in der das Gestell (1) auf Rädern (2) aufgebaut ist, die dazu konzipiert sind, in Kontakt mit einer Führungsschiene (3) zu kommen, und die mit Blockierungseinrichtungen (4) vebunden sind.
EP03003946A 2002-04-03 2003-02-22 Vorrichtung zum Wenden von Stapeln von Bogenmaterial Expired - Lifetime EP1350748B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH5612002 2002-04-03
CH00561/02A CH695266A5 (fr) 2002-04-03 2002-04-03 Dispositif pour retourner des piles de materiau en feuilles.

Publications (3)

Publication Number Publication Date
EP1350748A2 EP1350748A2 (de) 2003-10-08
EP1350748A3 EP1350748A3 (de) 2005-03-02
EP1350748B1 true EP1350748B1 (de) 2008-10-15

Family

ID=27810662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003946A Expired - Lifetime EP1350748B1 (de) 2002-04-03 2003-02-22 Vorrichtung zum Wenden von Stapeln von Bogenmaterial

Country Status (13)

Country Link
US (1) US6793454B2 (de)
EP (1) EP1350748B1 (de)
JP (1) JP3619233B2 (de)
KR (1) KR100496746B1 (de)
CN (1) CN1235784C (de)
AT (1) ATE411248T1 (de)
AU (1) AU2003203466A1 (de)
BR (1) BR0300909B1 (de)
CA (1) CA2422993C (de)
CH (1) CH695266A5 (de)
DE (1) DE60324054D1 (de)
ES (1) ES2312674T3 (de)
TW (1) TWI250117B (de)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104773586A (zh) * 2015-02-11 2015-07-15 浙江工业大学 翻转堆码机
CN104773586B (zh) * 2015-02-11 2017-01-04 浙江工业大学 翻转堆码机

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CA2422993A1 (en) 2003-10-03
ATE411248T1 (de) 2008-10-15
CN1448326A (zh) 2003-10-15
CA2422993C (en) 2007-08-28
KR100496746B1 (ko) 2005-06-22
TWI250117B (en) 2006-03-01
BR0300909B1 (pt) 2011-07-26
DE60324054D1 (de) 2008-11-27
BR0300909A (pt) 2004-08-17
KR20030079699A (ko) 2003-10-10
TW200400149A (en) 2004-01-01
US6793454B2 (en) 2004-09-21
EP1350748A2 (de) 2003-10-08
JP2003306257A (ja) 2003-10-28
AU2003203466A1 (en) 2003-10-23
CH695266A5 (fr) 2006-02-28
EP1350748A3 (de) 2005-03-02
JP3619233B2 (ja) 2005-02-09
ES2312674T3 (es) 2009-03-01
US20030188954A1 (en) 2003-10-09
CN1235784C (zh) 2006-01-11

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