EP0559952B1 - Transferring device for gripping and depositing a filled bag and for transferring same into a closing device - Google Patents

Transferring device for gripping and depositing a filled bag and for transferring same into a closing device Download PDF

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Publication number
EP0559952B1
EP0559952B1 EP92113961A EP92113961A EP0559952B1 EP 0559952 B1 EP0559952 B1 EP 0559952B1 EP 92113961 A EP92113961 A EP 92113961A EP 92113961 A EP92113961 A EP 92113961A EP 0559952 B1 EP0559952 B1 EP 0559952B1
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EP
European Patent Office
Prior art keywords
bag
arms
transfer device
clamping
levers
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
EP92113961A
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German (de)
French (fr)
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EP0559952A1 (en
Inventor
Karl-Wilhelm Kader
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.)
CHRONOS HOLDING LTD
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Chronos Richardson GmbH
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Publication date
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Publication of EP0559952A1 publication Critical patent/EP0559952A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags

Definitions

  • the invention relates to a transfer device for gripping and depositing a filled bag from a hanging position on a filler neck onto a means of transport and for transferring it to a bag closing device, with a clamp arrangement with two approximately vertical arms articulated below, to which horizontal clamp strips are fastened, the Arms for clamping the sack flag by means of the clamping strips below the sack clamps on the filler neck can be moved with their free ends in the sense of closing the clamping strips and the arms can take up the means of transport running between them in the direction of the opening edge of a sack, and with a linear drive unit for moving the terminal arrangement in the running direction of the means of transport.
  • Sacks filled on a filler neck in the attached position are usually dropped onto a conveyor belt passing under the filler neck by releasing the bag clamps on the filler neck or gripped, placed on the conveyor belt and released there. Its opening is then spread by spreaders which engage in it from above. The bags are then transferred to a closing device with the bag flag spread by the spreaders above the product level.
  • the bags are at least partially out of control. This can result in the sacks being placed crookedly on the conveyor belt and, in deviation from their predetermined side folds, being spread and sealed. It can even lead to bags that are filled with a highly air-enriched filling material falling over on the conveyor belt after being released. This applies both to flat sacks and to gusseted sacks where the gussets can open in the area of the bag opening.
  • a transfer device of the type mentioned in which to lower a filled sack from its attached position to a filler neck, the latter is lowered overall by means of height adjustment means and so the sack is first placed on a grate. After the clamp assembly has been closed, this grate is lowered until the bottom of the sack is placed on a trolley to which the clamp device is attached.
  • the height adjustment of the filler neck requires flexible feed means for the neck. The lowering of the grate leads to a tensile load on the sack edges already closed by the clamp arrangement.
  • the present invention is based on the object of providing a transfer device with which bags attached to the filler neck, in particular already spread there, are transferred to the bag closing device under the greatest possible control.
  • the solution for this consists in a transfer device which is characterized by a lifting unit for the terminal arrangement in order to place the sack clamped between the terminal strips on the transport means, the actuating means for the terminal arrangement, the drive unit and the lifting unit are arranged under the transport means, which is designed as a conveyor belt.
  • the terminal arrangement is designated 100, the drive unit 200 and the lifting unit 300. Identical parts are provided with the same reference numbers in the figures, without being addressed several times in each case.
  • FIG. 1 shows an essentially U-shaped holder 1, in which vertical arms 2 can be pivoted about first axes of rotation 3. At the upper end head pieces 4 are pivotally attached, on which terminal strips 5 are attached.
  • the lower ends of the levers 2 are, as indicated only schematically here, connected to one another via a coupling 30.
  • a conveyor belt F is indicated by dashed lines. Above that, a filler neck S is indicated with dashed lines.
  • a drive cylinder 11 is provided in a middle position.
  • the rails 10 are placed at their ends on tabs 12 on a lifting device.
  • This essentially comprises an upper plate 13, a lower plate 14 and intersecting levers 33, 34 which are mounted in axes 15, 16 in these plates and are supported at their other ends by rollers 35, 36 on the plates which in axes 17th , 18 are mounted in the levers 33, 34.
  • Lift cylinders 19 are placed vertically on the top plate 13. The plates move apart when actuated.
  • the axes 3 and 7, which are mounted in the frame 1, are indicated, which represent the pivot points for the arm 2 and the handlebar lever 6.
  • the axis of rotation 21 for the head piece which was not previously discussed in detail, is attached.
  • 3 tabs 22 are attached to the handlebar, in which an axis of rotation 23 is held for parallel control of the head piece 4.
  • the multi-part terminal block 5 is attached to the head piece.
  • the substantially horizontal movement of the terminal strip when pivoting the lever 2 is shown with dashed lines. This prevents a pull on the sack surfaces from being exerted by a vertical movement component when the levers 2 and the clamping strips 5 are closed.
  • the U-shaped bracket 1 which has a rectangular cross section, is shown in three sections.
  • the right arm of the bracket is shown shortened, so that again the axes 3 and 7 for the arm 2 and the handlebar lever 6 can be seen, on which tabs 24 are also attached here.
  • the lower end of an arm with attached tabs 25 is shown in the left arm of the holder.
  • An actuating cylinder 27 acts on the first axis 26 of the arms.
  • Handlebar levers 29 are mounted in second axes 28 and move synchronously via a rotatable coupling member 30.
  • the lower part of the holder 1 can be seen on one of the guide pieces 9, which is axially displaceable on rods 10.
  • the rails 10 are protected on both sides by the guide pieces 9 with bellows 31.
  • the brackets 12 at the ends of the rails 10 are mounted on the upper plate 13 of the lifting device, of which the lower plate 14 and the pair of scissor levers 33, 34 can also be seen. These are mounted in axes 15, 16 and at the end have rollers 35, 36 mounted in axes 17, 18.
  • the actuating cylinders 19 bring about the stroke of the plate 13 with respect to the plate 14, the said scissor arrangement ensuring the parallelism of the plates.
  • End stops 38 for the holder 1 can be seen on central holders 37.
  • the drive cylinder 11 can be seen below this.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closing Of Containers (AREA)
  • Package Closures (AREA)

Abstract

Transfer device for gripping and depositing a filled bag from a position suspended on a filling connection S onto a conveyor band F and for transferring it into a bag-closing device, comprising a clamp arrangement (100) with two approximately vertical arms (2) which are articulated at the bottom and to which horizontal clamping strips (5) are respectively fastened, the arms (2) being movable with their free ends underneath bag clamps on the filling connection in the direction of a closing of the clamping strips in order to clamp the bag lug by means of the clamping strips (5), and the arms (2) being capable of receiving the conveyor band F running between them in the direction of the opening edge of a bag, furthermore a linear drive unit (200) for moving the clamp arrangement (100) in the direction of the conveyor band F, and a lifting unit (300) for the clamp arrangement (100), in order to place the bag clamped between the clamping strips onto the conveyor band F, the actuating means for the clamp arrangement (100), the drive unit (200) and the lifting unit (300) being arranged under the conveyor band. <IMAGE>

Description

Die Erfindung betrifft eine Transfervorrichtung zum Greifen und Absetzen eines gefüllten Sackes aus einer Anhängeposition an einem Füllstutzen auf ein Transportmittel und zum Überführen in eine Sackverschließvorrichtung, mit einer Klemmenanordnung mit zwei etwa vertikalen, unten angelenkten Armen, an denen jeweils horizontale Klemmleisten befestigt sind, wobei die Arme zum Einklemmen der Sackfahne mittels der Klemmleisten unterhalb von Sackklemmen am Füllstutzen mit ihren freien Enden im Sinne eines Schließens der Klemmleisten bewegbar sind und wobei die Arme das zwischen ihnen in Richtung der Öffnungskante eines Sackes laufende Transportmittel aufnehmen können, und mit einer linearen Antriebseinheit zum Verfahren der Klemmenanordnung in Laufrichtung des Transportmittels.The invention relates to a transfer device for gripping and depositing a filled bag from a hanging position on a filler neck onto a means of transport and for transferring it to a bag closing device, with a clamp arrangement with two approximately vertical arms articulated below, to which horizontal clamp strips are fastened, the Arms for clamping the sack flag by means of the clamping strips below the sack clamps on the filler neck can be moved with their free ends in the sense of closing the clamping strips and the arms can take up the means of transport running between them in the direction of the opening edge of a sack, and with a linear drive unit for moving the terminal arrangement in the running direction of the means of transport.

An einem Füllstutzen in Anhängeposition abgefüllte Säcke werden üblicherweise durch Freigeben der Sackklemmen am Füllstutzen auf ein unter dem Füllstutzen durchlaufendes Transportband abgeworfen oder mittels Greifern erfaßt, auf das Transportband abgesetzt und dort freigegeben. Ihre Öffnung wird dann von Spreizern, die von oben darin eingreifen, gespreizt. Anschließend werden die Säcke mit durch die Spreizer oberhalb des Produktspiegels gespreizter Sackfahne an eine Verschließvorrichtung überführt.Sacks filled on a filler neck in the attached position are usually dropped onto a conveyor belt passing under the filler neck by releasing the bag clamps on the filler neck or gripped, placed on the conveyor belt and released there. Its opening is then spread by spreaders which engage in it from above. The bags are then transferred to a closing device with the bag flag spread by the spreaders above the product level.

Während des Zeitraumes vom Freigeben durch die Sackklemmen am Füllstutzen bis zum Vollenden des Spreizvorganges durch die Spreizer sind die Säcke zumindest teilweise außer Kontrolle. Dies kann dazu führen, daß die Säcke schief auf das Transportband aufgesetzt und abweichend von ihren vorgegebenen Seitenfalten gespreizt und verschlossen werden. Es kann sogar dazu führen, daß Säcke, die mit einem stark luftangereicherten Füllgut gefüllt sind, nach dem Freigeben auf dem Transportband umfallen. Dies gilt sowohl für Flachsäcke, wie auch für Seitenfaltensäcke, bei denen die Seitenfalten im Bereich der Sacköffnung aufspringen können.During the period from being released by the bag clamps on the filler neck to the completion of the spreading process by the spreaders, the bags are at least partially out of control. This can result in the sacks being placed crookedly on the conveyor belt and, in deviation from their predetermined side folds, being spread and sealed. It can even lead to bags that are filled with a highly air-enriched filling material falling over on the conveyor belt after being released. This applies both to flat sacks and to gusseted sacks where the gussets can open in the area of the bag opening.

Aus der FR-A-75 24959 ist eine Transfervorrichtung der eingangs genannten Art bekannt, bei der zum Absetzen eines gefüllten Sackes aus seiner Anhängeposition an einem Füllstutzen der letztere insgesamt mittels Höhenverstellmitteln abgesenkt und so der Sack zunächst auf einen Rost abgesetzt wird. Nach dem Schließen der Klemmenanordnung wird dieser Rost soweit abgesenkt, bis der Boden des Sackes auf einen Transportwagen aufsetzt, an welchem die Klemmenvorrichtung befestigt ist. Die Höhenverstellbarkeit des Füllstutzens erfordert nachgiebige Zuführmittel zum Stutzen. Das Absenken des Rosts führt zu einer Zugbelastung auf die von der Klemmenanordnung bereits verschlossenen Sackkanten.From FR-A-75 24959 a transfer device of the type mentioned is known, in which to lower a filled sack from its attached position to a filler neck, the latter is lowered overall by means of height adjustment means and so the sack is first placed on a grate. After the clamp assembly has been closed, this grate is lowered until the bottom of the sack is placed on a trolley to which the clamp device is attached. The height adjustment of the filler neck requires flexible feed means for the neck. The lowering of the grate leads to a tensile load on the sack edges already closed by the clamp arrangement.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Transfervorrichtung bereitzustellen, mit der am Füllstutzen anhängende, insbesondere dort bereits gespreizte Säcke unter größtmöglicher Kontrolle an die Sackverschließvorrichtung überführt werden.The present invention is based on the object of providing a transfer device with which bags attached to the filler neck, in particular already spread there, are transferred to the bag closing device under the greatest possible control.

Die Lösung hierfür besteht in einer Transfervorrichtung die gekennzeichnet ist durch eine Hubeinheit für die Klemmenanordnung, um den zwischen den Klemmleisten eingeklemmten Sack auf das Transportmittel zu setzen, wobei die Betätigungsmittel für die Klemmenanordnung, die Antriebseinheit und die Hubeinheit unter dem Transportmittel angeordnet sind, welches als Transportband ausgebildet ist.The solution for this consists in a transfer device which is characterized by a lifting unit for the terminal arrangement in order to place the sack clamped between the terminal strips on the transport means, the actuating means for the terminal arrangement, the drive unit and the lifting unit are arranged under the transport means, which is designed as a conveyor belt.

Hiermit wird die Möglichkeit gegeben, die Sacköffnung bereits vor Freigabe durch am Füllstutzen angeordnete Klemmen zu erfassen und zu schließen und in einer unveränderten vollständig geschlossenen Stellung, die ein Aufspringen der Sackfalten mit Sicherheit vermeidet, in die Sackverschließvorrichtung einzuführen. Hierbei ist es in vorteilhafter Weise möglich, an einer Abfüllanlage Säcke verschiedener Länge unter Vermeidung eines Abwerfeffektes ohne eine Verstellung des Transportmittels in die Verschließvorrichtung überführen zu können. Bei entsprechender Länge der Klemmleisten ist es darüber hinaus möglich, auch Säcke unterschiedlicher Öffnungsgröße zu handhaben. Die erfindungsgemäße Vorrichtung ist einfach und betriebssicher aufgebaut und wird nachstehend anhand von Zeichnungen, die ein bevorzugtes Ausführungsbeispiel zeigen, näher erläutert.This enables the bag opening to be grasped and closed even before it is released by means of clamps arranged on the filler neck and inserted into the bag closing device in an unchanged, completely closed position which reliably prevents the bag folds from popping open. Here it is advantageously possible to be able to transfer sacks of different lengths to a filling plant without avoiding a dropping effect without adjusting the means of transport into the closing device. With the appropriate length of the terminal strips, it is also possible to handle bags of different opening sizes. The device according to the invention is simple and reliable and is explained in more detail below with the aid of drawings which show a preferred exemplary embodiment.

Hierin zeigen im einzelnen

Fig. 1
eine Gesamtansicht der Vorrichtung in Richtung des Transportbandes;
Fig. 2
eine Seitenansicht der Vorrichtung nach Fig. 1;
Fig. 3
die oberen Enden der Arme in zwei vertikalen Schnitten;
Fig. 4
die unteren Enden der Arme mit ihrer Halterung und Betätigungsanordnung in vier Schnitten;
Fig. 5
die Hubvorrichtung in zwei Schnitten und einer Teilaufsicht mit mehreren Einzelheiten.
Herein show in detail
Fig. 1
an overall view of the device in the direction of the conveyor belt;
Fig. 2
a side view of the device of FIG. 1;
Fig. 3
the upper ends of the arms in two vertical cuts;
Fig. 4
the lower ends of the arms with their bracket and actuator assembly in four cuts;
Fig. 5
the lifting device in two sections and a partial supervision with several details.

Im Hinblick auf die detailierte Ausführungen der Zeichnungen werden nur die wesentlichen Einzelheiten beschrieben. Hierin ist die Klemmenanordnung mit 100, die Antriebseinheit mit 200 und die Hubeinheit mit 300 bezeichnet. Gleiche Teile sind in den Figuren mit gleichen Bezugsziffern versehen, ohne jeweils mehrfach angesprochen zu werden.With regard to the detailed versions of the drawings, only the essential details are described. The terminal arrangement is designated 100, the drive unit 200 and the lifting unit 300. Identical parts are provided with the same reference numbers in the figures, without being addressed several times in each case.

Figur 1 zeigt eine im wesentlichen U-förmige Halterung 1, in der vertikale Arme 2 um erste Drehachsen 3 schwenkbar sind. Am oberen Ende sind Kopfstücke 4 schwenkbar befestigt, an denen Klemmleisten 5 angebracht sind. Über Lenkerhebel 6, die in Drehachsen 7 in Teil 1 gelagert sind und die ebenfalls an den Kopfstücken angreifen, wird die im wesentlichen unveränderte Lage der Kopfstücke bei einem Schwenken der Hebel 2 sichergestellt. Die unteren Enden der Hebel 2 sind, wie hier nur schematisch angedeutet, über eine Koppel 30 miteinander verbunden. Zwischen den Armen 2, d. h. insbesondere innerhalb der Halterung 1, ist mit gestrichelten Linien ein Förderband F angedeutet. Oberhalb dessen ist mit gestrichelten Linien ein Abfüllstutzen S angedeutet. Unterhalb der Halterung sitzen Führungsstücke 9, die auf längsverlaufenden Schienen 10 verschiebbar sind. In einer mittleren Position ist ein Antriebszylinder 11 vorgesehen.FIG. 1 shows an essentially U-shaped holder 1, in which vertical arms 2 can be pivoted about first axes of rotation 3. At the upper end head pieces 4 are pivotally attached, on which terminal strips 5 are attached. The handlebar levers 6, which are mounted in axes of rotation 7 in part 1 and which also engage the head pieces, ensure the essentially unchanged position of the head pieces when the levers 2 are pivoted. The lower ends of the levers 2 are, as indicated only schematically here, connected to one another via a coupling 30. Between the arms 2, ie in particular within the holder 1 a conveyor belt F is indicated by dashed lines. Above that, a filler neck S is indicated with dashed lines. Guide pieces 9, which are displaceable on longitudinal rails 10, sit below the holder. A drive cylinder 11 is provided in a middle position.

In Figur 2 ist erkennbar, daß die Schienen 10 an ihren Enden über Laschen 12 auf eine Hubvorrichtung aufgesetzt sind. Diese umfaßt im wesentlichen eine Oberplatte 13, eine Unterplatte 14 sowie sich kreuzende Hebel 33, 34, die in Achsen 15, 16 in diesen Platten gelagert sind und sich an ihren anderen Enden über Rollen 35, 36 an den Platten abstützen, die in Achsen 17, 18 in den Hebeln 33, 34 gelagert sind. Hubzylinder 19 sind vertikal auf die Oberplatte 13 aufgesetzt. Bei Betätigung entfernen sich die Platten voneinander.In Figure 2 it can be seen that the rails 10 are placed at their ends on tabs 12 on a lifting device. This essentially comprises an upper plate 13, a lower plate 14 and intersecting levers 33, 34 which are mounted in axes 15, 16 in these plates and are supported at their other ends by rollers 35, 36 on the plates which in axes 17th , 18 are mounted in the levers 33, 34. Lift cylinders 19 are placed vertically on the top plate 13. The plates move apart when actuated.

In Figur 3 sind die Achsen 3 und 7, die im Gestell 1 gelagert sind, angedeutet, die die Drehpunkte für den Arm 2 und den Lenkerhebel 6 darstellen. Am oberen Ende des Armes 2 ist die Drehachse 21 für das Kopfstück, die zuvor nicht im einzelnen angesprochen war, befestigt. Weiterhin sind am Lenkerarm 3 Laschen 22 befestigt, in denen eine Drehachse 23 zur Parallelsteuerung des Kopfstückes 4 gehalten ist. Am Kopfstück ist die mehrteilige Klemmleiste 5 befestigt. Mit gestrichelten Linien ist die im wesentlichen horizontale Bewegung der Klemmleiste bei Verschwenken der Hebel 2 gezeigt. Hierdurch wird verhindert, daß beim Schließen der Hebel 2 und der Klemmleisten 5 ein Zug auf die Sackoberflächen durch eine vertikale Bewegungskomponente ausgeübt wird.In Figure 3, the axes 3 and 7, which are mounted in the frame 1, are indicated, which represent the pivot points for the arm 2 and the handlebar lever 6. At the upper end of the arm 2, the axis of rotation 21 for the head piece, which was not previously discussed in detail, is attached. Furthermore, 3 tabs 22 are attached to the handlebar, in which an axis of rotation 23 is held for parallel control of the head piece 4. The multi-part terminal block 5 is attached to the head piece. The substantially horizontal movement of the terminal strip when pivoting the lever 2 is shown with dashed lines. This prevents a pull on the sack surfaces from being exerted by a vertical movement component when the levers 2 and the clamping strips 5 are closed.

In Figur 4 ist die U-förmige Halterung 1, die einen Rechteckquerschnitt hat, in drei Schnitten dargestellt. Der rechte Arm der Halterung ist gekürzt dargestellt, so daß wiederum die Achsen 3 und 7 für den Arm 2 und den Lenkerhebel 6 erkennbar sind, an dem auch hier Laschen 24 angesetzt sind. Im linken Arm der Halterung ist das untere Ende eines Arms mit angesetzten Laschen 25 gezeigt. Auf ersten Achse 26 der Arme wirkt ein Betätigungszylinder 27 ein. In zweiten Achsen 28 sind Lenkerhebel 29 gelagert, die sich über ein drehbares Koppelglied 30 synchron bewegen.In Figure 4, the U-shaped bracket 1, which has a rectangular cross section, is shown in three sections. The right arm of the bracket is shown shortened, so that again the axes 3 and 7 for the arm 2 and the handlebar lever 6 can be seen, on which tabs 24 are also attached here. The lower end of an arm with attached tabs 25 is shown in the left arm of the holder. An actuating cylinder 27 acts on the first axis 26 of the arms. Handlebar levers 29 are mounted in second axes 28 and move synchronously via a rotatable coupling member 30.

In Figur 5 ist das untere Teil der Halterung 1 auf einem der Führungsstücke 9 erkennbar, das auf Stangen 10 axial verschiebbar ist. Die Schienen 10 sind beidseitig von den Führungsstücken 9 mit Faltenbälgen 31 geschützt. Die Halterungen 12 an den Enden der Schienen 10 sind auf der Oberplatte 13 der Hubvorrichtung montiert, von der weiterhin die Unterplatte 14 und die paarweise vorgesehenen Scherenhebel 33, 34 erkennbar sind. Diese sind in den Achsen 15, 16 gelagert und weisen am Ende in Achsen 17, 18 gelagerte Rollen 35, 36 auf. Die Stellzylinder 19 bewirken den Hub der Platte 13 gegenüber der Platte 14, wobei die genannte Scherenanordnung die Parallelität der Platten sichert. Auf mittigen Halterungen 37 sind Endanschläge 38 für die Halterung 1 erkennbar. Darunter ist der Antriebszylinder 11 erkennbar.In Figure 5, the lower part of the holder 1 can be seen on one of the guide pieces 9, which is axially displaceable on rods 10. The rails 10 are protected on both sides by the guide pieces 9 with bellows 31. The brackets 12 at the ends of the rails 10 are mounted on the upper plate 13 of the lifting device, of which the lower plate 14 and the pair of scissor levers 33, 34 can also be seen. These are mounted in axes 15, 16 and at the end have rollers 35, 36 mounted in axes 17, 18. The actuating cylinders 19 bring about the stroke of the plate 13 with respect to the plate 14, the said scissor arrangement ensuring the parallelism of the plates. End stops 38 for the holder 1 can be seen on central holders 37. The drive cylinder 11 can be seen below this.

Claims (5)

  1. A transfer device for gripping and depositing a filled bag from a suspended position at a filler neck S to transport means and for transferring said filled bag into a bag closing device, having a clamping assembly (100) with two approximately vertically disposed arms (2) which are each articulated about their lower ends and to which, respectively, there are connected approximately horizontally diposed clamping bars (5), with the arms (2) for clamping in the bag top by means of the clamping bars (5) underneath bag clamps at the filler neck being movable with their free ends in the sense of closing the clamping bars and with the arms (2) being suitable to receive the transport means extending between them in the direction of the opening edge of a bag, and having a linear drive unit (200) for moving the clamping assembly (100) in the direction of movement of the transport means,
    characterised by
    a lifting unit (300) for the clamping assembly (100) to deposit the bag clamped in between the clamping bars on to the transport means, with the actuating means for the clamping assembly (100), the drive unit (200) and the lifting unit (300) being arranged underneath the transport means provided in the form of a band conveyor F.
  2. A transfer device according to claim 1,
    characterised in
    that the arms (2) each comprise head pieces (4) which, respectively, are connected to each of the free ends of the arms (2) and on which there are located the clamping bars (5), with the head pieces (4) being guided substantially horizontally by steering levers (6) arranged so as to extend parallel to the arms (2).
  3. A transfer device according to claim 2,
    characterised in
    that the arms (2) are provided in the form of two-arm levers whose lower ends are acted upon by one single setting cylinder (27) , with said lower ends being connected together by a coupling element (30).
  4. A transfer device according to any one of claims 1 to 3,
    characterised in
    that the lifting unit (300) comprises a lower plate (14), an upper plate (13) and intermediate double shear levers (33, 34) which, at one of their ends, are supported in one of the plates and which are supported at the respective other plate by means of rollers (35, 36) secured to the other ends of said levers, and that a lifting cylinder (19) is operative vertically between said plates.
  5. A transfer device according to any one of claims 1 to 4,
    characterised in
    that the drive unit (200) comprises two horizontal rails (10) which are firmly attached on the upper plate (13) and on which the holding means (1) for the arms (2) are arranged so as to be movable in the longitudinal direction of the band conveyor F.
EP92113961A 1992-03-13 1992-08-17 Transferring device for gripping and depositing a filled bag and for transferring same into a closing device Expired - Lifetime EP0559952B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9203380U DE9203380U1 (en) 1992-03-13 1992-03-13 Transfer device for gripping and placing a filled bag and transferring it to a closing device
DE9203380U 1992-03-13

Publications (2)

Publication Number Publication Date
EP0559952A1 EP0559952A1 (en) 1993-09-15
EP0559952B1 true EP0559952B1 (en) 1995-10-25

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EP92113961A Expired - Lifetime EP0559952B1 (en) 1992-03-13 1992-08-17 Transferring device for gripping and depositing a filled bag and for transferring same into a closing device

Country Status (5)

Country Link
US (1) US5398484A (en)
EP (1) EP0559952B1 (en)
AT (1) ATE129474T1 (en)
CA (1) CA2091536C (en)
DE (2) DE9203380U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10358490A1 (en) * 2003-12-13 2005-07-21 Chronos Richardson Gmbh Method and device for handling a sack during sewing
CN101817411A (en) * 2010-04-16 2010-09-01 无锡力马化工机械有限公司 Servo double-arm clamping type bag feeding manipulator with slotting tools

Families Citing this family (20)

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ATE129474T1 (en) 1995-11-15
DE59204142D1 (en) 1995-11-30
EP0559952A1 (en) 1993-09-15
CA2091536A1 (en) 1993-09-14
US5398484A (en) 1995-03-21
DE9203380U1 (en) 1992-07-30
CA2091536C (en) 1999-06-01

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