EP0000708B1 - Stacking device for bar shaped or board shaped piece goods - Google Patents

Stacking device for bar shaped or board shaped piece goods Download PDF

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Publication number
EP0000708B1
EP0000708B1 EP78100409A EP78100409A EP0000708B1 EP 0000708 B1 EP0000708 B1 EP 0000708B1 EP 78100409 A EP78100409 A EP 78100409A EP 78100409 A EP78100409 A EP 78100409A EP 0000708 B1 EP0000708 B1 EP 0000708B1
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EP
European Patent Office
Prior art keywords
stacking
stacking device
supporting arms
carriages
row
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
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EP78100409A
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German (de)
French (fr)
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EP0000708A1 (en
Inventor
Heinz Schiepe
Ulrich Pfeiffer
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SCHIEPE STAPELAUTOMATEN GMBH TE BERLIJN, BONDSREPU
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Heinz Schiepe Grosshandel und Generalvertretung
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G57/00—Stacking of articles
    • B65G57/02—Stacking of articles by adding to the top of the stack
    • B65G57/16—Stacking of articles of particular shape
    • B65G57/18—Stacking of articles of particular shape elongated, e.g. sticks, rods, bars
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/10—Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns
    • Y10S414/115—Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns including article counter

Definitions

  • the invention relates to a stacking device for rod-shaped or board-shaped piece goods, with vertically movable stacking trolleys on stands with horizontally movable support arms and with fixed stops, parallel, circumferential drivers that receive the piece goods on the back of the stand and on one on the top of the Place the shelf on the stand.
  • Stacking devices of this type are known from German patents 1 191 296, 1 235 808, 2 445 536 and 2 553 724.
  • the piece goods transported vertically upwards by a carrier on the back of the stands are individually deposited on the storage surface located on the top of the stands and taken away by the following driver by means of its fixed stop for further transport.
  • the general cargo is transported on the front of the stand.
  • the individual piece goods are conveyed downwards until they are placed on the extended support arms of the stacking trolleys and individually moved onto them to form a stacking row.
  • the support arms are moved back and the stacking trolleys are moved vertically by the height of one row of stacks, whereupon the support arms are extended again to form the next row of stacks.
  • the invention is based on the object to provide a stacking device of the type mentioned, in which the rotational speed of the driver largely independent of the change of position can be set and thus increased compared to conventional stacking devices, in which the risk of jamming of the driver is avoided when going down and at which a lower overall height is possible.
  • the invention provides that the length of the storage area corresponds to the width of a stack row to be formed, that the stored piece goods are pushed together by means of the fixed stops on the storage area to form a stack row, the fixed stops being guided so that they are at the beginning of the Immerse the storage surface in the stands, and that the stacking trolleys with retracted support arms that protrude above their top edge can be moved vertically under the storage surface to remove the stacking row and can be lowered with the stacking row after the support arms have been extended in order to set the stacking row down by pulling in the support arms.
  • the rotational speed of the drivers is essentially independent of the time required for a change of position, since in the stacking device according to the invention the stack row is formed in parallel with the change of position.
  • the stacking row is formed on the storage surface at least the width of a stacking row on the top of the stand, onto which the individually conveyed piece goods are conveyed one after the other by means of the fixed stops of the drivers.
  • Each fixed stop of each driver is immersed in the interior of the stand at the same place on the storage surface, so that the rear edge of each board or the like to be placed comes to rest in the same place.
  • each newly arrived board pushes the boards in front by one board width on the shelf to form the desired stack row.
  • the finished stack row is lifted immediately after pushing on the last board of the stack row from the retracted support arm of the vertically moved stacking trolley and removed from the storage surface by extending the support arm and lowering the stacking trolley, on which a new stack row can be formed immediately after the stack row has been lifted .
  • the previous stack row is placed on the desired stack, so that there is no loss of time for the change of layers.
  • the fixed stops can be arranged on one side at the front end or in the middle area of the drivers, so that the board placed on the storage surface by a driver is only pushed into the desired stack row by the next driver.
  • the fixed stops can also be arranged at the rear end of the driver. As a result, each fixed stop pushes the board conveyed by the associated driver directly into the stack row.
  • each driver is connected to one link of the two chains guided in parallel by means of rotary pieces which are rotatably but laterally fixed in the driver and are rigidly connected to both bolts of the respective chain link. This results in greater strength in the connection of the drivers with the associated chains.
  • the rotating pieces are rotated within the drivers, so that the drivers always remain with their upper surface in a substantially horizontal position.
  • a retaining device is arranged on each of the stacking trolleys for pulling back the support arms when depositing a row of stacks. Furthermore, photocells are provided to control the stacking trolleys depending on the upper edge of the last stack row and number of pieces - as well as the layer counter.
  • a stacking device for rod-shaped or board-shaped piece goods regularly comprises at least two stands 1, which are displaceably arranged on a frame frame 2 at a distance from one another.
  • the stacking device has the task of neatly stacking the boards 4 (or other rod-shaped or board-shaped piece goods) arriving on the rear side 3 from feed devices, not shown, on the front side 5 in a stack 6 on a pallet 7.
  • the stand 1 has in its interior two revolving chains 8, 9 which are offset in the longitudinal direction of the stand 1 and are arranged parallel to one another in the transverse direction, as can be seen from FIGS. 1 and 2.
  • the chains 8, 9 are driven in the direction of the arrow 10 by drives (not shown) and run around chain wheels 11 arranged in corner points. Between the chains 8, 9 arranged parallel to one another, drivers 12 with fixed stops 13 are arranged in the manner described below, which run together with the chains 8, 9 in the direction of arrow 10.
  • Each driver 12 conveys a board 4 on the back 3 of the stand 1 upwards onto the top of the stand 1 designed as a storage surface 14.
  • the storage surface 14 extends at least by the width 15 of a stack row 16 to be formed over that of the fixed stop 13 of each driver 12 on the upper side of the stand 1.
  • the storage surface 14 is formed by the top of the stand 1 and can be implemented by a corresponding slide rail.
  • the distance traversed by the fixed stop 13 on the upper side of the stand 1 is precisely limited by the beginning of the downward movement of the drivers along the chains 8, 9 according to the arrow 17. If adjustable fixed stops 13 are provided on the drivers 12 in a manner not shown, then the immersion time of the fixed stops 13 in the surface of the storage surface 14 can be changed.
  • the boards 4 are conveyed by means of the drivers 12 onto the storage surface 14, deposited there and only pushed from the fixed stop 13 of the subsequent driver 12 into the desired row of stacks 16.
  • the stand 1 is given a width which is approximately 1.5 times the width of the chain drive 8, 9. If necessary, the back 3 of the stand 1 can correspond to the dashed line beveled so that the drivers 12 are guided along the bevelled rear side 3. Correspondingly, the front side 5 can be moved inwards below the abiagefiiche 14.
  • the stacking carriages 18 guided on slide guides of the stand 1 are driven by means of drives (not shown in detail) with the support arms 19 protruding beyond the upper edge of the stacking carriage 18 for lifting the stack row 16 below the storage surface 14 move vertically and lowered with the stack row 14 after the extension of the support arms 19 onto the stack 6 in order to deposit the stack row 16 here by pulling in the support arms 19.
  • the support arms 19 then move again in the vertical direction to remove the new stack row that has been formed in the meantime.
  • Retaining devices 20 for the stack row 16 to be placed on the support arms 19 can be arranged on the stacking carriage 18.
  • the retention device 20 can be designed as a pawl, simple locking lever or the like.
  • the front side 5 of the stand 1 can also serve as a retainer.
  • FIG. 3 shows a stacking cycle.
  • a new stack row is just being formed while the stacking carriage 18 has put down the previous stack row.
  • the new stack row 16 is finished, the stacking carriage 18 has moved vertically.
  • the new stack row is being lifted.
  • the stack row 16 is extended onto the support arm 19 and is lowered and set down in FIG. 3e, while in FIG. 3f the next stack row is formed again.
  • 4ff shows a preferred embodiment of a connection between the drivers 12 and the associated chains 8, 9.
  • the driver 12 is each connected to a link 21, 22 of both parallel chains 8 and 9 via a rotating piece 23, 24, which is rotatable in the driver 12 and laterally by, circlips immovably and with two bolts 25, 26 or 27, 28 of the respective chain link 21 or 22 is rigidly connected.
  • This form of training ensures a secure, articulated connection between chain 8, 9 and driver 12. If a chain link 21, 22 of a chain 8 or 9 is deflected around a sprocket 11, the rotating piece 23, 24 can rotate in the driver 12 without being laterally displaced. The drivers 12 consequently remain in the desired horizontal position.
  • FIG 4 shows an alternative embodiment of a driver 12 with a fixed stop 13 arranged at the rear end.
  • Photocells 29 or components having a similar function can be arranged on the stacking carriage 18 and, together with an electronic control device (not shown in more detail), control the lowering of the stacking carriage 18 as a function of the height of the upper edge of the previously stacked row 16.
  • Electronic number counters 30 can be attached to count the number of pieces per stack row 16.
  • 16 layer counters 31 can be attached in the area of the stack rows being lowered.
  • the stack row 16 formed on the storage surface 14 can also be pushed onto the already extended support arm 19 in an alternative mode of operation of the stacking device.
  • a stacking carriage 18 with a support arm 19 can be arranged on both sides of each stand 1, which alternately convey a stack row 16 downwards.
  • the front wall 5 of the stand 1 can serve as a retainer.
  • a stand 1 ' is shown with its front side 5' with dashed lines, which is narrower by the distance of the front side 5 of a stand 1 from the front side 5 '.
  • the stand 1 ' is provided with a rigid cantilever arm 32 which projects beyond the front 5' and whose surface extends in the same plane with and in an extension of the top of the stand 1 '.
  • a stack row 16 is thus at least partially pre-formed on the cantilever arm 32.
  • the stack row 16 is removed by means of the vertically movable stacking carriage 18 with support arms 19 in the manner described above.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)

Description

Die Erfindung bezieht sich auf eine Stapelvorrichtung für stab- oder brettförmiges Stückgut, mit an Ständern vertikal verfahrbaren Stapelwagen mit horizontal verfahrbaren Tragarmen und mit Festanschläge aufweisenden, parallel geführt umlaufenden Mitnehmern, die das Stückgut auf der Rückseite der Ständer aufnehmen und auf eine auf der Oberseite der Ständer befindliche Ablagefläche ablegen.The invention relates to a stacking device for rod-shaped or board-shaped piece goods, with vertically movable stacking trolleys on stands with horizontally movable support arms and with fixed stops, parallel, circumferential drivers that receive the piece goods on the back of the stand and on one on the top of the Place the shelf on the stand.

Stapelvorrichtungen dieser Art sind aus den deutschen Patentschriften 1 191 296, 1 235 808, 2 445 536 und 2 553 724 bekannt. Bei diesen bekannten Stapelvorrichtungen wird das auf der Rückseite der Ständer von einem Mitnehmer vertikal aufwärts transportierte Stückgut auf der, auf der Oberseite der Ständer befindlichen Ablagefläche einzeln abgelegt und vom nachfolgenden Mitnehmer mittels dessen Festanschlag zum Weitertransport mitgenommen. Der Weitertransport des Stückgutes erfolgt auf der Vorderseite der Ständer. Hier wird das vereinzelte Stückgut abwärts gefördert, bis es auf die ausgefahrenen Tragarme der Stapelwagen abgesetzt und auf diesen einzeln zur Bildung einer Stapelreihe verschoben wird. Sobald eine Stapelreihe die gewünschte Breite erreicht hat, werden die Tragarme zurück und die Stapelwagen um die Höhe einer Stapelreihe vertikal verfahren, woraufhin dann die Tragarme zur Bildung der nächsten Stapelreihe wieder ausgefahren werden.Stacking devices of this type are known from German patents 1 191 296, 1 235 808, 2 445 536 and 2 553 724. In these known stacking devices, the piece goods transported vertically upwards by a carrier on the back of the stands are individually deposited on the storage surface located on the top of the stands and taken away by the following driver by means of its fixed stop for further transport. The general cargo is transported on the front of the stand. Here, the individual piece goods are conveyed downwards until they are placed on the extended support arms of the stacking trolleys and individually moved onto them to form a stacking row. As soon as a row of stacks has reached the desired width, the support arms are moved back and the stacking trolleys are moved vertically by the height of one row of stacks, whereupon the support arms are extended again to form the next row of stacks.

Es wurde festgestellt, dass die Arbeitsgeschwindigkeit dieser bekannten Stapelvorrichtungen, insbesondere die Umlaufgeschwindigkeit der Mitnehmer um die Ständer, abhängig ist von der Zeit, die für den Lagenwechsel erforderlich ist, d.h. für den Zeitraum, der zum Einfahren der Tragarme, Anheben der Stapelwagen und Wiederausfahren der Tragarme erforderlich ist. Da in diesem Zeitraum ein Ablegen von Stückgut auf die Tragarme nicht möglich ist, muss die Umlaufgeschwindigkeit der Mitnehmer derart eingestellt werden, dass in diesem Zeitraum kein Stückgut zum Ablegen ankommot.It has been found that the working speed of these known stacking devices, in particular the speed of rotation of the drivers around the stands, is dependent on the time required for the change of position, i.e. for the period of time required to retract the support arms, lift the stacking trolleys and extend the support arms again. Since it is not possible to deposit general cargo on the support arms during this period, the rotational speed of the drivers must be set such that no general cargo arrives for storage in this period.

Bei den bekannten Stapelvorrichtungen besteht darüber hinaus ein weiterer Nachteil darin, dass die Mitnehmer auch auf der Vorderseite aus den Ständern herausragen und hier durch herabgefallenes Stückgut beim Abwärtsgang verklemmt werden können, woraufhin Brüche, insbesondere in den Verbindungsstellen zwischen Mitnehmern und den diese tragenden Ketten auftreten können.In the known stacking devices there is also a further disadvantage in that the drivers also protrude from the stands on the front side and can be jammed here by falling piece goods during the downward movement, whereupon breaks, particularly in the connection points between drivers and the chains carrying them, can occur .

Schliesslich besteht ein weiterer Nachteil darin, dass die Ständer relativ hoch gebaut werden müssen, damit das Stückgut über Magazine für Zwischenleisten geführt werden kann, die gegebenenfalls an den Stapelwagen unmittelbar angebracht und mit diesen vertikal verfahrbar sind.Finally, there is a further disadvantage in that the stands have to be built relatively high so that the piece goods can be guided over magazines for intermediate strips which, if necessary, are attached directly to the stacking trolley and can be moved vertically with them.

Der Erfindung liegt demgegenüber die Aufgabe zugrunde, eine Stapelvorrichtung der eingangs genannten Art zu schaffen, bei welcher die Umlaufgeschwindigkeit der Mitnehmer weitgehend unabhängig vom Lagenwechsel eingestellt und damit gegenüber herkömmlichen Stapelvorrichtungen erhöht werden kann, bei welcher die Gefahr von.Verklemmungen der Mitnehmer beim Abwärtsgang vermieden ist und bei welcher eine geringere Bauhöhe möglich ist.The invention is based on the object to provide a stacking device of the type mentioned, in which the rotational speed of the driver largely independent of the change of position can be set and thus increased compared to conventional stacking devices, in which the risk of jamming of the driver is avoided when going down and at which a lower overall height is possible.

Zur lösung dieser Aufgabe sieht die Erfindung vor, dass die Länge der Ablagefläche der Breite einer zu bildenden Stapelreihe entspricht, dass das abgelegte Stückgut mittels der Festanschläge auf der Ablagefläche zu einer Stapelreihe zusammengeschoben wird, wobei die Festanschläge so geführt sind, dass diese am Anfang der Ablagefläche in die Ständer eintauchen, und dass die Stapelwagen mit eingefahrenen, über deren Oberkante hinausragenden Tragarmen zum Abnehmen der Stapelreihe unter die Ablagefläche vertikal verfahrbar und mit der Stapelreihe nach dem Ausfahren der Tragarme absenkbar sind, um die Stapelreihe durch Einziehen der Tragarme abzusetzen.To achieve this object, the invention provides that the length of the storage area corresponds to the width of a stack row to be formed, that the stored piece goods are pushed together by means of the fixed stops on the storage area to form a stack row, the fixed stops being guided so that they are at the beginning of the Immerse the storage surface in the stands, and that the stacking trolleys with retracted support arms that protrude above their top edge can be moved vertically under the storage surface to remove the stacking row and can be lowered with the stacking row after the support arms have been extended in order to set the stacking row down by pulling in the support arms.

Bei der erfindungsgemässen Stapelvorrichtung ist die Umlaufgeschwindigkeit der Mitnehmer im wesentlichen unabhängig von der Zeit, die für einen Lagenwechsel erforderlich ist, da bei der erfindungsgemässen Stapelvorrichtung die Stapelreihe zeitlich parallel zum Lagenwechsel gebildet wird. Die Bildung der Stapelreihe erfolgt erfindungsgemäss auf der mindestens die Breite einer Stapelreihe aufweisenden Ablagefläche auf der Oberseite der Ständer, auf welche das vereinzelt geförderte Stückgut nacheinander mittels der Festanschläge der Mitnehmer gefördert wird. Jeder Festanschlag eines jeden Mitnehmers taucht an der gleichen Stelle der Ablagefläche in den Innenraum der Ständer ein, so dass die rüchwärtige Kante eines jeden abzulegenden Brettes oder dgl. an der gleichen Stelle zu liegen kommt. Somit schiebt jedes neuangekommene Brett die davor befindlichen Bretter um eine Brettbreite auf der Ablagefläche nach vorn, um so die gewünschte Stapelreihe zu bilden.In the stacking device according to the invention, the rotational speed of the drivers is essentially independent of the time required for a change of position, since in the stacking device according to the invention the stack row is formed in parallel with the change of position. According to the invention, the stacking row is formed on the storage surface at least the width of a stacking row on the top of the stand, onto which the individually conveyed piece goods are conveyed one after the other by means of the fixed stops of the drivers. Each fixed stop of each driver is immersed in the interior of the stand at the same place on the storage surface, so that the rear edge of each board or the like to be placed comes to rest in the same place. Thus, each newly arrived board pushes the boards in front by one board width on the shelf to form the desired stack row.

Die fertig gebildete Stapelreihe wird unmittelbar nach dem Aufschieben des letzten Brettes der Stapelreihe vom eingefahrenen Tragarm des vertikal verfahrenen Stapelwagens angehoben und durch Ausfahren des Tragarmes und Absenken des Stapelwagens von der Ablagefläche entfernt, auf welcher unverzüglich nach dem Abheden der Stapelreihe eine neue Stapelreihe gebildet werden kann. Während der Bildung der nächstfolgenden Stapelreihe wird die vorangegangene Stapelreihe auf dem gewünschten Stapel abgelegt, so dass keine Verlustzeit für den Lagenwechsel auftritt.The finished stack row is lifted immediately after pushing on the last board of the stack row from the retracted support arm of the vertically moved stacking trolley and removed from the storage surface by extending the support arm and lowering the stacking trolley, on which a new stack row can be formed immediately after the stack row has been lifted . During the formation of the next stack row, the previous stack row is placed on the desired stack, so that there is no loss of time for the change of layers.

Durch das Eintauchen derMitnehmer zusammen mit ihren Festanschlägen in das Innere der Ständer, wodurch die Mitnehmer nicht über die vordere Fläche der Ständer herausragen, ist jegliche Gefahr von Verklemmungen der abwärtsbewegten Mitnehmer vermieden.By immersing the drivers together with their fixed stops in the interior of the stands, so that the drivers do not protrude beyond the front surface of the stands, any risk of jamming of the downward moving drivers is avoided.

Wenn ein Stapeln mit Zwischenleisten gewünscht wird, so können diese unmittelbar auf die auf der Ablagefläche befindliche Stapelreihe aufgelegt werden, wobei sich die Leistenmagazine oberhalb der Ablagefläche befinden. Dadurch kann die Bauhöhe der einzelnen Ständer erheblich vermindert werden, so dass geringere Fertigungskoten erzielbar sind.If stacking with intermediate strips is desired, these can be placed directly on the stacking row located on the storage surface, the strip magazines being located above the storage surface. As a result, the overall height of the individual stands can be reduced considerably, so that lower manufacturing costs can be achieved.

Die Festanschläge können einseitig am vorderen Ende oder im mittleren Bereich der Mitnehmer angeordnet sein, so dass das von einem Mitnehmer auf der Ablagefläche abgelegte Brett erst vom nächstfolgenden Mitnehmer in die gewünschte Stapelreihe geschoben wird. In weiterer Ausbildung der Erfindung können die Festanschläge auch am hinteren Ende der Mitnehmer angeordnet sein. Hierdurch schiebt jeder Festanschlag das vom zugeordneten Mitnehmer geförderte Brett unmittelbar in die Stapelreihe.The fixed stops can be arranged on one side at the front end or in the middle area of the drivers, so that the board placed on the storage surface by a driver is only pushed into the desired stack row by the next driver. In a further embodiment of the invention, the fixed stops can also be arranged at the rear end of the driver. As a result, each fixed stop pushes the board conveyed by the associated driver directly into the stack row.

Die Verbindung der Mitnehmer mit zwei parallel geführten Ketten erfolgte bisher mit jeweils einem Bolzen eines Ketten gliedes einer jeden der beiden Ketten. Dies hat durch Überlastung zu Brüchen geführt. Erfindungsgemäss ist nunmehr vorgesehen, dass jeder Mitnehmer mit je einem Glied der beiden parallel geführten Ketten über Drehstücke verbuden ist, die im Mitnehmer drehbar, aber seitlich unverscheibbar gelagert und mit beiden Bolzen des jeweiligen Kettengliedes starr verbunden sind. Hierdurch ergibt sich eine grössere Festigkeit in der Verbindung der Mitnehmer mit den zugehörigen Ketten. Beim Umlenken der Ketten um die Kettenräder werden die Drehstücke innerhalb der Mitnehmer verdreht, so dass die Mitnehmer immer mit ihrer oberen Fläche in einer im wesentlichen horizontalen Lage verbleiben.The connection of the driver with two parallel chains was previously done with one bolt of a chain link of each of the two chains. This has led to breaks due to overload. According to the invention, it is now provided that each driver is connected to one link of the two chains guided in parallel by means of rotary pieces which are rotatably but laterally fixed in the driver and are rigidly connected to both bolts of the respective chain link. This results in greater strength in the connection of the drivers with the associated chains. When the chains are deflected around the sprockets, the rotating pieces are rotated within the drivers, so that the drivers always remain with their upper surface in a substantially horizontal position.

Zum Zurückziehen der Tragarme beim Ablegen einer Stapelreihe ist erfindungsgemäss an den Stapelwagen je eine Rückhaltevorrichtung angeordnet. Weiterhin sind Fotozellen zur Steuerung der Stapelwagen in Abhängigkeit von der Oberkante der zuletzt abgelegten Stapelreihe und Stückzahl - sowie Lagenzähler vorgesehen.According to the invention, a retaining device is arranged on each of the stacking trolleys for pulling back the support arms when depositing a row of stacks. Furthermore, photocells are provided to control the stacking trolleys depending on the upper edge of the last stack row and number of pieces - as well as the layer counter.

Die Erfindung ist nachfolgend anhand eines in der Zeichrung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen:

  • Fig. 1 eine Seitenansicht eines Ständers mit davor gebildetem Stapel,
  • Fig. 2 eine Prinzipdarstellung der Ketten-Umlaufförderer für die Mit nehmer in einer Draufsicht auf einen Ständer,
  • Fig. 3 eine Prinzipdarstellung des Bewegungsablaufes der Stapelvorrichtung,
  • Fig. 4 ein Detail IV in Fig. 1 in vergrösserter Darstellung und anderer Ausführungsform und
  • Fig. 5 einen Schnitt gemäß Linie V - V in Fig, 4,
  • Fig. 6 einen Schnitt gemäß Linie VI - VI in Fig. 4.
The invention is explained below with reference to an embodiment shown in the drawing. Show it:
  • 1 is a side view of a stand with a stack formed in front of it,
  • 2 is a schematic diagram of the chain conveyor for the participants with a plan view of a stand,
  • 3 shows a schematic diagram of the sequence of movements of the stacking device,
  • Fig. 4 shows a detail IV in Fig. 1 in an enlarged view and another embodiment and
  • 5 shows a section along line V - V in FIG. 4,
  • 6 shows a section along line VI-VI in FIG. 4.

Eine Stapelvorrichtung für stab- oder brettförmiges Stückgut umfasst regelmässig mindestens zwei Ständer 1, die in einem Abstand zueinder auf einem Gestellrahmen 2 verschiebbar angeordnet sind. Die Stapelvorrichtung hat die Aufgabe, die auf der Rückseite 3 von nicht näher dargestellten Zuführeinrichtungen ankommenden Bretter 4 (oder anderes stab- oder brettförmiges Stückgut) auf der Vorderseite 5 in einem Stapel 6 auf einer Palette 7 sauber zu stapeln. Hierzu weist der Ständer 1 in seinem Inneren zwei umlaufende Ketten 8, 9 auf die in Längsrichtung des Ständers 1 versetzt, und in Querrichtung parallel zueinander angeordnet sind, wie es aus den Fig. 1 und 2 ersichtlich ist. Die Ketten 8, 9 werden über nicht näher dargestellte Antriebe in Richtung des Pfeiles 10 angetrieben und laufen um in Eckpunkten angeordnete Kettenräder 11 herum. Zwischen den parallel zueinander angeordneten Ketten 8, 9 sind Mitnehmer 12 mit Festanschlägen 13 in weiter unten beschriebener Weise angeordnet, die zusammen mit den Ketten 8, 9 in Richtung des Pfeiles 10 umlaufen.A stacking device for rod-shaped or board-shaped piece goods regularly comprises at least two stands 1, which are displaceably arranged on a frame frame 2 at a distance from one another. The stacking device has the task of neatly stacking the boards 4 (or other rod-shaped or board-shaped piece goods) arriving on the rear side 3 from feed devices, not shown, on the front side 5 in a stack 6 on a pallet 7. For this purpose, the stand 1 has in its interior two revolving chains 8, 9 which are offset in the longitudinal direction of the stand 1 and are arranged parallel to one another in the transverse direction, as can be seen from FIGS. 1 and 2. The chains 8, 9 are driven in the direction of the arrow 10 by drives (not shown) and run around chain wheels 11 arranged in corner points. Between the chains 8, 9 arranged parallel to one another, drivers 12 with fixed stops 13 are arranged in the manner described below, which run together with the chains 8, 9 in the direction of arrow 10.

Jeder Mitnehmer 12 fördert ein Brett 4 auf der Rückseite 3 der Ständer 1 nach oben auf die als Ablagefläche 14 ausgebildete Oberseite der Ständer 1. Die Ablagefläche 14 erstreckt sich mindestens um die Breite 15 einer zu bildenden Stapelreihe 16 über die vom Festanschlag 13 eines jeden Mitnehmers 12 auf der Oberseite der Ständer 1 durchlaufene Strecke hinaus. Die Ablagefläche 14 wird dabei von der Oberseite der Ständer 1 gebildet und kann durch eine entsprechende Gleitschiene ausgeführt sein. Die vom Festanschlag 13 auf der Oberseite der Ständer 1 durchlaufene Strecke ist genau begrenzt durch den Beginn der Abwärtsbewegung der Mitnehmer entlang der Ketten 8, 9 entsprechend dem Pfeil 17. Wenn in nicht näher dargestellter Weise einstellbare Festanschläge 13 auf den Mitnehmern 12 vorgesehen sind, so kann der Eintauchzeitpunkt der Festanschläge 13 in die Oberfläche der Ablagefläche 14 verändert werden.Each driver 12 conveys a board 4 on the back 3 of the stand 1 upwards onto the top of the stand 1 designed as a storage surface 14. The storage surface 14 extends at least by the width 15 of a stack row 16 to be formed over that of the fixed stop 13 of each driver 12 on the upper side of the stand 1. The storage surface 14 is formed by the top of the stand 1 and can be implemented by a corresponding slide rail. The distance traversed by the fixed stop 13 on the upper side of the stand 1 is precisely limited by the beginning of the downward movement of the drivers along the chains 8, 9 according to the arrow 17. If adjustable fixed stops 13 are provided on the drivers 12 in a manner not shown, then the immersion time of the fixed stops 13 in the surface of the storage surface 14 can be changed.

In der dargestellten Ausführungsform werden die Bretter 4 mittels der Mitnehmer 12 auf die Ablagefläche 14 gefördert, dort abgelegt und erst vom Festanschlag 13 des nachfolgenden Mitnemhers 12 in die gewünschte Stapelreihe 16 geschoben.In the embodiment shown, the boards 4 are conveyed by means of the drivers 12 onto the storage surface 14, deposited there and only pushed from the fixed stop 13 of the subsequent driver 12 into the desired row of stacks 16.

Wie es aus der Fig. 1 ersichtlich ist, erhält der Ständer 1 eine Breite, die etwa dem 1, 5 fachen der Breite des Kettenantriebes 8, 9 entspricht. Erforderlichenfalls kann die Rückseite 3 der Ständer 1 entsprechend der gestrichelten Linie abgeschrägt werden, so dass die Mitnehmer 12 entlang der abgeschrägten Rückseite 3 geführt werden. Entsprechend kann die Vorderseite 5 unterhalb der Abiagefiäche 14 nach innen versetzt werden.As can be seen from FIG. 1, the stand 1 is given a width which is approximately 1.5 times the width of the chain drive 8, 9. If necessary, the back 3 of the stand 1 can correspond to the dashed line beveled so that the drivers 12 are guided along the bevelled rear side 3. Correspondingly, the front side 5 can be moved inwards below the abiagefiiche 14.

Sobald eine Stapelreihe 16 auf der Ablagefläche 14 der Ständer 1 gebildet ist, werden die an Gleitführungen der Ständer 1 geführten Stapelwagen 18 mittels nicht näher dargestellter Antriebe mit eingefahrenen, über die Oberkante der Stapelwagen 18 hinausragenden Tragarmen 19 zum Abheben der Stapelreihe 16 unter die Ablagefläche 14 vertikal verfahren und mit der Stapelreihe 14 nach dem Ausfahren der Tragarme 19 auf den Stapel 6 abgesenkt, um hier die Stapelreihe 16 durch Einziehen der Tragarme 19 abzusetzen. Anschliessend verfahren die Tragarme 19 wieder in vertikaler Richtung zur Abnahme der zwischenzeitlich gebildeten neuen Stapelreihe.As soon as a stack row 16 is formed on the storage surface 14 of the stand 1, the stacking carriages 18 guided on slide guides of the stand 1 are driven by means of drives (not shown in detail) with the support arms 19 protruding beyond the upper edge of the stacking carriage 18 for lifting the stack row 16 below the storage surface 14 move vertically and lowered with the stack row 14 after the extension of the support arms 19 onto the stack 6 in order to deposit the stack row 16 here by pulling in the support arms 19. The support arms 19 then move again in the vertical direction to remove the new stack row that has been formed in the meantime.

An den Stapelwagen 18 können Rückhaltevorrichtungen 20 für die auf den Tragarmen 19 befindliche, abzulegende Stapelreihe 16 angeordnet sein. Die Rückhaltevorrichtung 20 kann als Klinke, einfacher Sperrhebel oder dgl. ausgebildet sein. Auch die Vorderseite 5 der Ständer 1 kann als Rückhalter dienen.Retaining devices 20 for the stack row 16 to be placed on the support arms 19 can be arranged on the stacking carriage 18. The retention device 20 can be designed as a pawl, simple locking lever or the like. The front side 5 of the stand 1 can also serve as a retainer.

In der Fig. 3 ist ein Stapel - zyklus dargestellt. In Fig. 3 a wird gerade eine neue Stapelreihe gebildet, während der Stapelwagen 18 die vorhergehende Stapelreihe abgelegt hat. In Fig. 3b ist die neue Stapelreihe 16 fertig, der Stapelwagen 18 ist vertikal verfahren. In Fig. 3c wird die neue Stapelreihe gerade angehoben. In Fig. 3d ist die Stapelreihe 16 auf den Tragarm 19 ausgefahren und wird in Fig. 3e abgesenkt und abgesetzt, während in Fig. 3f die nächstfolgende Stapelreihe wieder gebildet wird.3 shows a stacking cycle. In Fig. 3a a new stack row is just being formed while the stacking carriage 18 has put down the previous stack row. In Fig. 3b the new stack row 16 is finished, the stacking carriage 18 has moved vertically. In Fig. 3c the new stack row is being lifted. In FIG. 3d the stack row 16 is extended onto the support arm 19 and is lowered and set down in FIG. 3e, while in FIG. 3f the next stack row is formed again.

In Fig. 4ff ist eine bevorzugte Ausführungsform einer Verbindung zwischen den Mitnehmern 12 und den zugehörigen Ketten 8, 9 dargestellt. Dabei ist der Mitnehmer 12 mit je einem Glied 21, 22 beider parallel geführter Ketten 8 bzw. 9 über je ein Drehstück 23, 24 verbunden, das im Mitnehmer 12 drehbar und seitlich durch, Seegerringe unverschiebbar gelagert und mit beiden Bolzen 25, 26 bzw. 27, 28 des jeweiligen Kettengliedes 21 bzw. 22 starr verbunden ist. Durch diese Ausbildungsform wird eine Sichere, gelenkige Verbindung zwischen Kette 8, 9 und Mitnehmer 12 erzielt. Wenn ein Kettenglied 21, 22 einer Kette 8 bzw. 9 um ein Kettenrad 11 umgelenkt wird, so kann sich das Drehstück 23, 24 im Mitnehmer 12 drehen, ohne seitlich verschoben zu werden. Die Mitnehmer 12 bleiben folglich in der gewünschten horizontalen Lage.4ff shows a preferred embodiment of a connection between the drivers 12 and the associated chains 8, 9. The driver 12 is each connected to a link 21, 22 of both parallel chains 8 and 9 via a rotating piece 23, 24, which is rotatable in the driver 12 and laterally by, circlips immovably and with two bolts 25, 26 or 27, 28 of the respective chain link 21 or 22 is rigidly connected. This form of training ensures a secure, articulated connection between chain 8, 9 and driver 12. If a chain link 21, 22 of a chain 8 or 9 is deflected around a sprocket 11, the rotating piece 23, 24 can rotate in the driver 12 without being laterally displaced. The drivers 12 consequently remain in the desired horizontal position.

In Fig. 4 ist eine alternative Ausführungsform eines Mitnehmers 12 mit am hinteren Ende angeordneten Festanschlages 13 dargestellt.4 shows an alternative embodiment of a driver 12 with a fixed stop 13 arranged at the rear end.

An den Stapelwagen 18 können Fotozellen 29 oder bauteile ähnlicher Funktion angeordnet sein, die zusammen mit einer nicht näher dargestellten elektronischen Steuervorrichtung das Absenken des Stapelwagens 18 in Abhängigkeit von der Höhe der Oberkante der vorher abgelegten Stapelreihe 16 steuern. Zum Zählen der Stückzahl je Stapelreihe 16 können elektronische Stückzahlenzähler 30 angebaut sein. Entsprechend können im Bereich der abgesenkt werdenden Stapelreihen 16 Lagenzähler 31 angebracht sein.Photocells 29 or components having a similar function can be arranged on the stacking carriage 18 and, together with an electronic control device (not shown in more detail), control the lowering of the stacking carriage 18 as a function of the height of the upper edge of the previously stacked row 16. Electronic number counters 30 can be attached to count the number of pieces per stack row 16. Correspondingly, 16 layer counters 31 can be attached in the area of the stack rows being lowered.

Die auf der Ablagefläche 14 gebildete Stapelreihe 16 kann in alternativer Arbeitsweise der Stapelvorrichtung auch auf den bereits ausgefahrenen Tragarm 19 aufgeschoben werden. Auch können zu beiden Seiten jedes Ständers 1 je ein Stapelwagen 18 mit Tragarm 19 angeordnet sein, die abwechselnd je eine stapelreihe 16 abwärts fördern. Als Rückhalter kann jeweils die Vorderwand 5 der Ständer 1 dienen.The stack row 16 formed on the storage surface 14 can also be pushed onto the already extended support arm 19 in an alternative mode of operation of the stacking device. Also, a stacking carriage 18 with a support arm 19 can be arranged on both sides of each stand 1, which alternately convey a stack row 16 downwards. The front wall 5 of the stand 1 can serve as a retainer.

In Fig. 1 ist mit gestrichelten Linien ein Ständer 1' mit seiner Vorderseite 5' dargestellt, der um den Abstand der Vorderseite 5 eines Ständers 1 von der Vorderseite 5' schmaler ausgebildet ist. Der Ständer 1' ist mit einem starren Auslegerarm 32 versehen, der über die Vorderseite 5' hinausragt und dessen Oberfläche sich in gleicher Ebene mit und in Verlängerung der Oberseite des Ständers 1' erstreckt. Somit wird eine Stapelreihe 16 mindestens teilweise auf dem Auslegerarm 32 vorgebildet. Das Abnehmen der Stapelreihe 16 mittels des oder der vertikal verfahrbaren Stapelwagen 18 mit Tragarmen 19 erfolgt in vorbeschriebener Weise.In Fig. 1, a stand 1 'is shown with its front side 5' with dashed lines, which is narrower by the distance of the front side 5 of a stand 1 from the front side 5 '. The stand 1 'is provided with a rigid cantilever arm 32 which projects beyond the front 5' and whose surface extends in the same plane with and in an extension of the top of the stand 1 '. A stack row 16 is thus at least partially pre-formed on the cantilever arm 32. The stack row 16 is removed by means of the vertically movable stacking carriage 18 with support arms 19 in the manner described above.

Claims (11)

1. Stacking device for bar- and board-shaped piece goods, with stacking carriages which are vertically movable on uprights, stacking truck with horizontally movable supporting arms and with rotating chain parallel guided followers with stops, which carry the piece goods on the back of the uprights, which convey them to the upright top and which let them down there on a storing surface characterized in that:
a) the length of the storing surface (14) corresponds to the width of a pile row (16) to be formed,
b) the set down piece goods (4) are pushed together to form a pile row (16) on the storing surface (14) by means of stationary stops (13), these stops (13) being guided in such a manner that they are plunged into the uprights at the beginning of the storing surface, and
c) the stacking carriages (18) are vertically movable with retracted supporting arms (19) that are projected beyond the carriage top edge to take off the pile row (16) below the storing surface (14), and can be lowered with the pile row (16) after having extended the supporting arms (19) to put down the pile row (16) by retracting the supporting arms (19).
2. Stacking device according to Claim 1, characterized in that the stationary stops (13) are installed on the followers (12) and can be adjusted.
3. Stacking device according to Claim 1, characterized in that the stationary stops (13) are installed at the further end of the followers (12).
4. Stacking device according to one of the Claims 1 to 3, characterized in that each upright (1) is equipped with a second vertically movable stacking carriage with supporting arms (19) in push-pull arrangement in relation to the first stacking carriage (18), both stacking carriages being guided in vertical guides at the opposite ends of upright (1).
5. Stacking device according to one of the above-mentioned Claims, characterized in that the storing surface (14) is formed at least partially by a rigid jib (32) which projects beyond the face (5') of the uprights (1') and the surface of which flushes with the upper side of the uprights (1') and its extension.
6. Stacking device according to one of the aforementioned Claims, characterized in that a batch counter (30) is installed in the storing surface area (14).
7. Stacking device according to Claim 6, characterized in that the batch counter (30) can be adjusted to the required number of pieces per pile row (16) by means of a measuring device which determines the width of a single bar- or board-shaped piece (4).
8. Stacking device according to one of the aforementioned Claims, characterized in that a layer counter (31) is installed within the motional field of the pile rows (16) conveyed by the stacking carriages (18) or the supporting arms (19).
9. Stacking device according to one of the aforementioned Claims, characterized in that preventer mechanisms (20) are installed on the stacking carriages (18) for securing the pile rows (16) resting on the supporting arms (19) and to be put down.
10. Stacking device according to one of the aforementioned Claims, characterized in that at least one of the stacking carriages (18) is equipped with a sensor element (29) which controls the lowering of the stacking carriages (18) by following the upper edge of the last pile row (16) laid down.
11. Stacking device according to one of the Claims 1 to 3, characterized in that each follower (12) is connected with one link each (21, 22) of two parallel guided chains (8, 9) via swivels (23, 24) which are pivoted (laterally immovable) on the follower (12), and rigidly connected with both bolts (25-28) of the respective chain link (21, 22)..
EP78100409A 1977-08-03 1978-07-17 Stacking device for bar shaped or board shaped piece goods Expired EP0000708B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2735469 1977-08-03
DE2735469A DE2735469B2 (en) 1977-08-03 1977-08-03 Stacking device for bar or board-shaped piece goods

Publications (2)

Publication Number Publication Date
EP0000708A1 EP0000708A1 (en) 1979-02-21
EP0000708B1 true EP0000708B1 (en) 1980-07-23

Family

ID=6015770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78100409A Expired EP0000708B1 (en) 1977-08-03 1978-07-17 Stacking device for bar shaped or board shaped piece goods

Country Status (6)

Country Link
US (1) US4193725A (en)
EP (1) EP0000708B1 (en)
JP (1) JPS5453470A (en)
AT (1) AT359920B (en)
DE (2) DE2735469B2 (en)
IT (1) IT1192261B (en)

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DE2920935C2 (en) * 1979-05-21 1983-10-27 Heinz 1000 Berlin Schiepe Stacking device for bar or board-shaped piece goods
EP0020287B1 (en) * 1979-05-21 1983-03-09 Heinz Schiepe Device for unstacking piles of piece-goods
DE2937180A1 (en) * 1979-09-14 1981-04-02 Fördertechnik Hamburg Harry Lässig (GmbH & Co), 2000 Schenefeld DEVICE FOR LOADING PALLETS WITH INDIVIDUAL LAYOUTS COMPOSED TO THE PALLET DIMENSIONS, IN PARTICULAR PACKAGES, BAGS OR THE LIKE.
EP0132635B1 (en) * 1983-07-20 1987-10-21 Paul Truninger Loading device for elongate objects
DE3616921A1 (en) * 1986-05-20 1987-11-26 Haist Kg Karl Device for stacking boards
US4836731A (en) * 1988-03-07 1989-06-06 Builders Equipment Company Method and apparatus for cubing stones of diverse geometries
FR2628722B1 (en) * 1988-03-16 1992-07-03 Man Francois MACHINE FOR MAKING AND STACKING BEDS OF EXTENDED PARTS
US5073081A (en) * 1989-08-14 1991-12-17 Johnson Nolton C Automatic self-contained stacking machine
US4986411A (en) * 1989-09-19 1991-01-22 H. G. Weber & Co., Inc. Continuous motion vertical conveyor
AT395311B (en) * 1991-01-17 1992-11-25 Schelling & Co Fork stacker for dividing and sorting installations in dividing sawing machines
ES2068081B1 (en) * 1992-05-05 1997-11-01 Esteban Roca Javier PERFECTED MOLDING PALLETIZER AND ITS OPERATING PROCEDURE.
US5636967A (en) * 1995-09-22 1997-06-10 Green; David C. Board handling apparatus
EP0918716B1 (en) 1996-05-03 2003-11-05 Busse Bros., Inc. Separator sheet handler for a palletizer
DE102010007160A1 (en) * 2010-02-05 2011-08-11 Sicko, Carlo, 75059 Device for packaging strips of wood, has conveyer to convey strips of wood next to each other lying transverse to their longitudinal direction, and discharge conveyor, over which strips of wood are stacked

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DE467927C (en) * 1928-11-03 C A Neubecker G M B H Plate conveyor with guidance of the plates always in a horizontal plane
DE1198286B (en) * 1961-06-06 1965-08-05 Halvor Graasvoll Machine for stacking piece goods in layers on a loading plate
DE1235808B (en) * 1963-04-27 1967-03-02 Schiepe Holzbearbeitungsmasch Stacking device for stab- and board-shaped items, especially for profile strips
FR1414053A (en) * 1964-09-02 1965-10-15 Improvements to chain conveyor devices, in particular for bottles or other similar objects to be moved in a given orientation
DE1808973A1 (en) * 1968-11-14 1970-06-04 Moore Iem Inc Timber stacker
DE2020441A1 (en) * 1970-04-27 1971-12-02 Keller & Co Masch C Device for the transport of ceramic bricks stored on mold carriers or without mold carriers
NL7109892A (en) * 1971-07-16 1973-01-18
US3737053A (en) * 1972-01-03 1973-06-05 Moore Iem Inc Lumber stacking apparatus
NL171433C (en) * 1972-02-23 1983-04-05 Steemeijer B V DEVICE FOR STACKING WOODEN PARTS.
CH554796A (en) * 1973-02-15 1974-10-15 Balz Rudolf DEVICE FOR THE FORMATION OF BOARDS INTENDED TO BE LAYERED INTO A STACK WITH PARALLEL LONG SIDES.

Also Published As

Publication number Publication date
EP0000708A1 (en) 1979-02-21
DE2735469A1 (en) 1979-03-15
JPS6143253B2 (en) 1986-09-26
IT7825993A0 (en) 1978-07-21
DE2735469B2 (en) 1979-07-12
JPS5453470A (en) 1979-04-26
ATA521678A (en) 1980-04-15
US4193725A (en) 1980-03-18
IT1192261B (en) 1988-03-31
DE2860068D1 (en) 1980-11-13
AT359920B (en) 1980-12-10

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