EP1319599A1 - Apparatus for filling opened big bags - Google Patents

Apparatus for filling opened big bags Download PDF

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Publication number
EP1319599A1
EP1319599A1 EP02027021A EP02027021A EP1319599A1 EP 1319599 A1 EP1319599 A1 EP 1319599A1 EP 02027021 A EP02027021 A EP 02027021A EP 02027021 A EP02027021 A EP 02027021A EP 1319599 A1 EP1319599 A1 EP 1319599A1
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EP
European Patent Office
Prior art keywords
filler neck
filling machine
machine according
filling
flaps
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.)
Granted
Application number
EP02027021A
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German (de)
French (fr)
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EP1319599B1 (en
Inventor
Hermann Thüer
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Haver and Boecker OHG
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Haver and Boecker OHG
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Publication date
Priority claimed from DE20120177U external-priority patent/DE20120177U1/en
Application filed by Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP1319599A1 publication Critical patent/EP1319599A1/en
Application granted granted Critical
Publication of EP1319599B1 publication Critical patent/EP1319599B1/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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/001—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers with flow cut-off means, e.g. valves
    • B65B39/002—Pivoting plates
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers

Definitions

  • the invention relates to a filling machine for filling open large bags with a filler neck, at the lower edge of which the large bag to be filled can be attached is.
  • the large bags to be filled by means of the filling machine in question are in also known as Big Bags in the industry. They are made of a highly resilient material made, preferably from a ribbon fabric. Usually be the large bags are filled with 1000 kg of a filling material. The dimensions of the large bags depend on the specific weight or the weight of the filling material. It it cannot be prevented that, preferably due to static charging, The product settles on the inner surface of the filling channel. At the end of the filling process vibrations occur when the large sack is removed and closed the filler neck. The adhering to the inner surface of the filling channel Product particles are then loosened so that they rest on the ones underneath Fall sack. The trickling filling can have a weight of several Make up kilograms.
  • the invention has for its object a filling machine closer to the beginning described type in a structurally simple manner so that a trickle of filling material, in particular of adhering to the inner surface of the flow channel Filling material, is effectively avoided, and that the appending of the filling Large bags on the filler neck is facilitated.
  • the task is performed by at least one in the lower area of the filler neck arranged closing element solved, which by means of a controllable Actuator in a position releasing and closing the flow opening can be brought, and that at least the area enveloped by the attached large bag of the filler neck in an inclined position inclined to the vertical is pivotable.
  • the through-flow channel now becomes immediately after the end of the filling process closed by the closing element.
  • the actuator can be controlled accordingly be so that the closing member is already moved into the closed position is released when the so-called sack buckle securing the sack to the filler neck becomes.
  • the closing element can be moved into its open position as soon as the next sack to be filled is placed on the filler neck. What was held back until then The filling material then falls into the empty sack. It is necessary to expand it of the empty sack this is pressurized.
  • the closing organ supports the formation of overpressure, so that on additional elements can be dispensed with.
  • the large sack is attached to the filler neck from a platform. There now at least the area of the filler neck covered by the large sack its central longitudinal axis in a vertical inclined position can be brought, the operator is much easier to attach, as the filler neck is pivoted towards the operator can.
  • the closing element expediently consists of two flaps, two horizontal, parallel and spaced axes that are mutually pivotable.
  • Closing flaps existing closing element offers the advantage that in preferred Execution through each closure flap only half the outlet opening or half the cross section of the flow channel must be closed, so that the Closure flaps then still above the level in the open state stand when the weight of the sack is reached because of a certain length is necessary for the closure of the filled large bag.
  • the flow channel the filler neck is circular in a preferred embodiment. If the closure element consists of two flaps, it makes sense if these are of size are the same or approximately the same and that they are therefore semicircular or are designed almost semicircular. So that no material through the joint in the closed state of the flaps, it is provided that the Overlap the edges facing away from the actuators a little.
  • each closing element by means of its own actuator, preferably by means of a Linear actuator can be actuated.
  • a Linear actuator a pneumatically operated piston-cylinder unit in question. So that the linear drive or the linear drives are protected as well as possible against dust and dirt are, it is provided that each actuator at a distance from the outflow opening the filler neck, i.e. the linear drives are in the upper area of the Filler neck arranged.
  • Each linear drive or each piston-cylinder unit is expediently arranged in the upper region of the filler neck in such a way that the output member and preferably also the entire linear drive is mounted horizontally.
  • the linear drive is connected to the locking flaps via a swivel linkage.
  • This version has the advantage that the more sensitive linear drives are arranged in an area that is not particularly exposed to dust and dirt.
  • the filler neck is double-walled, so that an annular channel adjoins the throughflow channel, the actuating drive or the actuating drives then being arranged in this annular channel. This ring channel also serves to extract the air escaping from the filling large bag.
  • the outer wall of the filler neck is designed, at least in the lower region, as an inflatable hose which can be acted upon by compressed air. After the upper edge of the large sack has been put on, this inflation hose is then pressurized with compressed air and expanded, so that the upper edge of the sack is pressed against an abutment containing the sack buckle. To remove the filled bag, the inflation hose is vented and the bag buckle opened.
  • the filler neck is expediently pivotable about a horizontal axis is at a distance from the outflow opening of the filler neck. This allows the one to be filled A large bag is attached to the side of the filler neck and from the bottom and set using the bag buckle. So that a swiveling movement is unimpeded can be carried out, it is provided that the horizontal axis laterally stands next to the filler neck, preferably adjacent to the outer wall.
  • the Ease of use is significantly increased if the filler neck is opened using a Actuator is pivotable.
  • This actuator contains at least one piston-cylinder unit. The pivoting movement can depend on the position of the closure flaps respectively. So the filler neck could be tilted when the flaps are closed. As soon as the large sack With the bag buckle in place, the filler neck could return to normal vertical Filling position.
  • the filler neck 10 shown in Figure 1 contains a flow channel 11, the is circular in cross section.
  • the filling material is from a not shown, arranged above the filler neck 10 scales.
  • the product flow is controlled by a metering device, not shown.
  • the filler neck 10 is provided with an inner wall 12 delimiting the flow channel 11 and an outer wall 13, wherein between the inner wall 12 and the Outer wall 13 is an annular channel 14.
  • the outflow opening of the Flow channel 11 side are two about horizontal axes 15, 16th pivotable flaps 17, 18 mounted.
  • the flaps are from the open position shown in Figure 1 by means of actuating piston cylinder units 19, 20 pivotable into a closed position. This is done immediately after the end of the filling process and before removing the not shown filled sack.
  • the sack is connected fixed with the abutment 22.
  • the shutters 17, 18 are preferred pivoted into the open position after the attached to the filler neck 10 Large bag has been inflated because the flaps 17, 18 are inflating favor.
  • the flaps 17, 18 are pivoted into the closed position, after either the inflation hose 13a is depressurized or when the Bag buckle is opened. Contrary to the representation according to FIG.
  • the Actuators 19, 20 and the piston-cylinder units also in the upper area or can also be arranged above the filler neck 10. Expediently then mounted them horizontally. They are about a well known swivel linkage drive technology connected to the flaps 17, 18. The actuators 19, 20 are then as good as possible against dust and dirt pollution protected.
  • FIG. 2 shows that the filling machine or the filling nozzle 10 has an operator platform 24 is assigned so that the operator to be filled, not shown Large bag can attach to the filler neck 10.
  • a support device 26 is also provided below the filler neck 10, which can be adjusted in height, so that the large bag can be filled at any filling level can rely on it.
  • Figure 2 and Figure 4 is the filler neck 10 drawn in the position inclined against the vertical, in which the large sack is attached to it.
  • FIG. 2 in particular shows that the distance changes as a result reduced to the operator so that the attachment is easier.
  • the Figure 4 also shows that the flaps 17, 18 in the inclined position the filler neck are closed.
  • FIG. 3 shows the filler neck 10 as a detail.
  • the filling position is drawn with the flaps 17, 18 open
  • FIG. 3 also shows that the horizontal axis 25 adjoins the outer wall 13 is arranged. It is also at a distance from the outflow opening of the Filler neck 10.
  • the filler neck 10 pivoted by means of an actuator.
  • This actuator preferably contains one Piston cylinder unit in the same design as that used for opening and closing the closure flaps 17, 18 is required.
  • the invention is not restricted to the exemplary embodiments shown.
  • Essential is that preferably the outflow opening of the throughflow channel 11 is closed by a closing element 17, 18 when the filling process ends is so that detachable filling material is retained from the inner surface of the filler neck 10 becomes.

Abstract

The filling machine has at least one closing element (17,18) installed in the lower region of the filling connector (10) and which by means of a controllable actuator (19,20) is brought into a position opening and closing the flow passage opening of the filling connector. At least the section of the filling connector encased by the seated bag is pivotable around a hanging position inclined in relation to the vertical. The closing element consists of two flaps which are hinged around horizontal, parallel and relatively spaced apart hinge points (15,16).

Description

Die Erfindung betrifft eine Füllmaschine zum Füllen von offenen Großsäcken mit einem Füllstutzen, an dessen unteren Randbereich der zu füllende Großsack ansetzbar ist.The invention relates to a filling machine for filling open large bags with a filler neck, at the lower edge of which the large bag to be filled can be attached is.

Die mittels der in Rede stehenden Füllmaschine zu füllenden Großsäcke werden in der Branche auch als Big Bags bezeichnet. Sie sind aus einem hoch belastbaren Material gefertigt, vorzugsweise aus einem Bändchengewebe. Im Normalfall werden die Großsäcke mit 1000 kg eines Füllgutes gefüllt. Die Abmessungen der Großsäcke richten sich nach dem spezifischen Gewicht bzw. der Wichte des Füllgutes. Es ist nicht zu verhindern, dass sich, vorzugsweise bedingt durch eine statische Aufladung, Füllgut an der Innenfläche des Füllkanals absetzt. Nach Ende des Füllvorganges kommt es während des Abnehmens und Verschließens des Großsackes zu Erschütterungen des Füllstutzens. Die an der Innenfläche des Füllkanals anhaftenden Füllgutpartikel werden dann gelöst, so dass sie auf den noch darunter stehenden Sack fallen. Das nachrieselnde Füllgut kann durchaus ein Gewicht von mehreren Kilogramm ausmachen. Es werden jedoch heute hohe Anforderungen gestellt, insbesondere werden saubere Säcke verlangt. Diese Forderung konnte mit den bislang bekannten Füllmaschinen bzw. Füllstutzen nicht erfüllt werden. Die Großsäcke lassen sich aufgrund der entsprechenden Abmessungen nur mit viel Aufwand von Hand am Füllstutzen festlegen.The large bags to be filled by means of the filling machine in question are in also known as Big Bags in the industry. They are made of a highly resilient material made, preferably from a ribbon fabric. Usually be the large bags are filled with 1000 kg of a filling material. The dimensions of the large bags depend on the specific weight or the weight of the filling material. It it cannot be prevented that, preferably due to static charging, The product settles on the inner surface of the filling channel. At the end of the filling process vibrations occur when the large sack is removed and closed the filler neck. The adhering to the inner surface of the filling channel Product particles are then loosened so that they rest on the ones underneath Fall sack. The trickling filling can have a weight of several Make up kilograms. However, there are high demands today, especially clean sacks are required. This requirement could be met with the so far known filling machines or filling spouts are not met. Leave the big bags due to the corresponding dimensions only with a lot of effort Place your hand on the filler neck.

Der Erfindung liegt die Aufgabe zugrunde, eine Füllmaschine der eingangs näher beschriebenen Art in konstruktiv einfacher Weise so zu gestalten, dass ein Nachrieseln von Füllgut, insbesondere von an der Innenfläche des Durchströmkanals anhaftenden Füllgut, wirksam vermieden wird, und dass das Anhängen des zu füllenden Großsackes an den Füllstutzen erleichtert wird.The invention has for its object a filling machine closer to the beginning described type in a structurally simple manner so that a trickle of filling material, in particular of adhering to the inner surface of the flow channel Filling material, is effectively avoided, and that the appending of the filling Large bags on the filler neck is facilitated.

Die gestellte Aufgabe wird durch wenigstens ein im unteren Bereich des Füllstutzens angeordnetes Verschließelement gelöst, welches mittels eines steuerbaren Stelltriebes in eine die Durchströmöffnung freigebende und verschließende Stellung bringbar ist, und dass zumindest der von dem angesetzten Großsack umhüllte Bereich des Füllstutzens in eine gegenüber der Vertikalen geneigte Anhängestellung schwenkbar ist.The task is performed by at least one in the lower area of the filler neck arranged closing element solved, which by means of a controllable Actuator in a position releasing and closing the flow opening can be brought, and that at least the area enveloped by the attached large bag of the filler neck in an inclined position inclined to the vertical is pivotable.

Es wird nunmehr unmittelbar nach Ende des Füllvorganges der Durchströmkanal durch das Verschließelement verschlossen. Der Stelltrieb kann entsprechend gesteuert werden, so dass das Verschließorgan bereits in die Schließstellung gefahren wird, wenn die den Sack am Füllstutzen sichernde, sogenannte Sackschnalle gelöst wird. Das Verschließelement kann in seine Offenstellung verfahren werden, sobald der nächste zu füllende Sack am Füllstutzen angelegt wird. Das bis dahin zurückgehaltene Füllgut rieselt dann in den leeren Sack. Es ist notwendig, dass zum Aufweiten des leeren Sackes dieser mit einem Überdruck beaufschlagt wird. Das Verschließorgan unterstützt die Bildung des Überdrucks, so dass auf zusätzliche Elemente verzichtet werden kann.The through-flow channel now becomes immediately after the end of the filling process closed by the closing element. The actuator can be controlled accordingly be so that the closing member is already moved into the closed position is released when the so-called sack buckle securing the sack to the filler neck becomes. The closing element can be moved into its open position as soon as the next sack to be filled is placed on the filler neck. What was held back until then The filling material then falls into the empty sack. It is necessary to expand it of the empty sack this is pressurized. The closing organ supports the formation of overpressure, so that on additional elements can be dispensed with.

Das Anhängen des Großsackes an den Füllstutzen erfolgt von einer Bühne aus. Da nunmehr zumindest der von dem Großsack umhüllte Bereich des Füllstutzens mit seiner Mittellängsachse in eine gegenüber der vertikalen schrägstehende Anhängestellung bringbar ist, wird für die Bedienungsperson das Anhängen wesentlich erleichtert, da der Füllstutzen in Richtung auf die Bedienungsperson geschwenkt werden kann.The large sack is attached to the filler neck from a platform. There now at least the area of the filler neck covered by the large sack its central longitudinal axis in a vertical inclined position can be brought, the operator is much easier to attach, as the filler neck is pivoted towards the operator can.

Eine konstruktiv einfache Lösung wird erreicht, indem mittels des Verschließelementes die Auslauföffnung des Durchströmkanals verschließbar ist. Das Verschließelement bzw. die Verschließelemente sind dann besonders gut zugänglich. Würde das Verschließelement bzw. die Verschließelemente im Abstand zur Auslauföffnung angeordnet werden, könnte es passieren, dass von der Fläche zwischen der Auslauföffnung und dem Verschließelement bzw. den Verschließelementen noch anhaftendes Füllgut nachrieselt. Das Verschließelement besteht zweckmäßigerweise aus zwei Verschlußklappen, die um zwei horizontale, parallel und im Abstand zueinander stehende Achsen verschwenkbar sind. Das aus zwei Verschlußklappen bestehende Verschließelement bietet den Vorteil, dass in bevorzugter Ausführung durch jede Verschlußklappe nur die halbe Auslauföffnung bzw. der halbe Querschnitt des Durchströmkanals verschlossen werden muß, so dass die Verschlußklappen auch dann noch oberhalb des Füllgutspiegels im geöffneten Zustand stehen, wenn das Gewicht des Sackes erreicht ist, da eine bestimmte Länge für den Verschluß des gefüllten Großsackes notwendig ist. Der Durchströmkanal des Füllstutzen ist in bevorzugter Ausführung kreisrund. Sofern das Verschlußelement aus zwei Verschlußklappen besteht, ist es sinnvoll, wenn diese von der Größe her gleich oder annähernd gleich sind und dass sie demzufolge halbkreisförmig oder annähernd halbkreisförmig gestaltet sind. Damit kein Material durch die Fuge im geschlossenen Zustand der Verschlußklappen fällt, ist vorgesehen, dass sich die den Stelltrieben abgewandten Kanten ein klein wenig überlappen. Dies läßt sich konstruktiv in einfachster Weise durchführen, wenn an eine der Verschlußklappen eine Leiste angesetzt ist, die gegenüber der Ebene der Verschlußklappe verspringt. Sofern der Füllstutzen mit zwei Verschlußklappen ausgerüstet ist, ist vorgesehen, dass jedes Verschließelement mittels eines eigenen Stelltriebes, vorzugsweise mittels eines Linearantriebes betätigbar ist. In bevorzugter Ausführung kommt als Stelltrieb eine pneumatisch betätigbare Kolbenzylindereinheit in Frage. Damit der Linearantrieb bzw. die Linearantriebe so gut wie möglich gegen Staub und Schmutz geschützt sind, ist vorgesehen, dass jeder Stelltrieb im Abstand zur Ausströmöffnung des Füllstutzens steht, das heißt, die Linearantriebe sind im oberen Bereich des Füllstutzens angeordnet.A structurally simple solution is achieved by means of the closing element the outlet opening of the flow channel can be closed. The closing element or the closing elements are then particularly accessible. Would the closing element or the closing elements be at a distance from the outlet opening arranged, it could happen that from the area between the outlet opening and the closing element or the closing elements still adhering filling material trickles. The closing element expediently consists of two flaps, two horizontal, parallel and spaced axes that are mutually pivotable. That from two Closing flaps existing closing element offers the advantage that in preferred Execution through each closure flap only half the outlet opening or half the cross section of the flow channel must be closed, so that the Closure flaps then still above the level in the open state stand when the weight of the sack is reached because of a certain length is necessary for the closure of the filled large bag. The flow channel the filler neck is circular in a preferred embodiment. If the closure element consists of two flaps, it makes sense if these are of size are the same or approximately the same and that they are therefore semicircular or are designed almost semicircular. So that no material through the joint in the closed state of the flaps, it is provided that the Overlap the edges facing away from the actuators a little. This can be done constructively perform in the simplest way if one of the flaps Bar is attached, which jumps relative to the level of the closure flap. Provided the filler neck is equipped with two flaps, it is provided that each closing element by means of its own actuator, preferably by means of a Linear actuator can be actuated. In a preferred embodiment comes as an actuator a pneumatically operated piston-cylinder unit in question. So that the linear drive or the linear drives are protected as well as possible against dust and dirt are, it is provided that each actuator at a distance from the outflow opening the filler neck, i.e. the linear drives are in the upper area of the Filler neck arranged.

Zweckmäßigerweise ist jeder Linearantrieb bzw. jede Kolbenzylindereinheit so im oberen Bereich des Füllstutzens angeordnet, dass das Abtriebsglied und vorzugsweise auch der gesamte Linearantrieb horizontal montiert ist. Der Linearantrieb ist über ein Schwenkgestänge mit den Verschlußklappen antriebstechnisch verbunden. Diese Ausführung bietet den Vorteil, dass die empfindlicheren Linearantriebe in einem Bereich angeordnet werden, der nicht besonders hoch mit Staub und Schmutz beaufschlagt wird.
In an sich bekannter Weise ist der Füllstutzen doppelwandig ausgebildet, so dass sich an dem Durchströmkanal ein Ringkanal anschließt, wobei in diesem Ringkanal dann der Stelltrieb bzw. die Stelltriebe angeordnet sind. Dieser Ringkanal dient gleichzeitig zum Absaugen der aus dem sich füllenden Großsack entweichenden Luft. Ebenfalls in an sich bekannter Weise ist die äußere Wandung des Füllstutzens zumindest im unteren Bereich als ein Druckluft beaufschlagbarer Blähschlauch ausgebildet. Nach dem Anlegen des oberen Randes des Großsackes wird dieser Blähschlauch dann mit Druckluft beaufschlagt und aufgeweitet, so dass der obere Sackrand gegen ein die Sackschnalle enthaltenes Widerlager gedrückt wird. Zum Abnehmen des gefüllten Sackes wird der Blähschlauch entlüftet und die Sackschnalle geöffnet.Each linear drive or each piston-cylinder unit is expediently arranged in the upper region of the filler neck in such a way that the output member and preferably also the entire linear drive is mounted horizontally. The linear drive is connected to the locking flaps via a swivel linkage. This version has the advantage that the more sensitive linear drives are arranged in an area that is not particularly exposed to dust and dirt.
In a manner known per se, the filler neck is double-walled, so that an annular channel adjoins the throughflow channel, the actuating drive or the actuating drives then being arranged in this annular channel. This ring channel also serves to extract the air escaping from the filling large bag. Also in a manner known per se, the outer wall of the filler neck is designed, at least in the lower region, as an inflatable hose which can be acted upon by compressed air. After the upper edge of the large sack has been put on, this inflation hose is then pressurized with compressed air and expanded, so that the upper edge of the sack is pressed against an abutment containing the sack buckle. To remove the filled bag, the inflation hose is vented and the bag buckle opened.

Zweckmäßigerweise ist der Füllstutzen um eine Horizontalachse schwenkbar, die im Abstand zur Ausströmöffnung des Füllstutzens steht. Dadurch kann der zu füllende Großsack sinngemäß seitlich und von unten auf den Füllstutzen aufgesteckt und mittels der Sackschnalle festgelegt werden. Damit eine Schwenkbewegung ungehindert durchgeführt werden kann, ist vorgesehen, dass die Horizontalachse seitlich neben dem Füllstutzen steht, vorzugsweise angrenzend an die Außenwand. Der Bedienkomfort wird noch wesentlich erhöht, wenn der Füllstutzen mittels eines Stelltriebes schwenkbar ist. Dieser Stelltrieb enthält wenigstens eine Kolbenzylindereinheit. Die Schwenkbewegung kann in Abhängigkeit von der Stellung der Verschlussklappen erfolgen. So könnte der Füllstutzen in die Schrägstellung gefahren werden, wenn die Verschlussklappen geschlossen sind. Sobald der Großsack mittels der Sackschnalle festgelegt ist, könnte der Füllstutzen wieder in die normale vertikale Füllstellung gefahren werden.The filler neck is expediently pivotable about a horizontal axis is at a distance from the outflow opening of the filler neck. This allows the one to be filled A large bag is attached to the side of the filler neck and from the bottom and set using the bag buckle. So that a swiveling movement is unimpeded can be carried out, it is provided that the horizontal axis laterally stands next to the filler neck, preferably adjacent to the outer wall. The Ease of use is significantly increased if the filler neck is opened using a Actuator is pivotable. This actuator contains at least one piston-cylinder unit. The pivoting movement can depend on the position of the closure flaps respectively. So the filler neck could be tilted when the flaps are closed. As soon as the large sack With the bag buckle in place, the filler neck could return to normal vertical Filling position.

Anhand der beiliegenden Zeichnung wird die Erfindung noch näher erläutert. Es zeigt:

Figur 1
den Füllstutzen einer erfindungsgemäßen Füllmaschine im Aufriss, in einer ersten Ausführungsform und
Figuren 2 - 4
den Füllstutzen einer erfindungsgemäßen Füllmaschine in einer schwenkbaren Ausführung.
The invention is explained in more detail with reference to the accompanying drawing. It shows:
Figure 1
the filler neck of a filling machine according to the invention in elevation, in a first embodiment and
Figures 2-4
the filler neck of a filling machine according to the invention in a pivotable design.

Der in der Figur 1 dargestellte Füllstutzen 10 enthält einen Durchströmkanal 11, der im Querschnitt kreisrund ausgebildet ist. Das Füllgut wird von einer nicht dargestellten, oberhalb des Füllstutzens 10 angeordneten Waage ausgeschüttet. Der Füllgutstrom wird von einer nicht dargestellten Dosiereinrichtung gesteuert. Der Füllstutzen 10 ist mit einer den Durchströmkanal 11 begrenzenden Innenwandung 12 und einer Außenwandung 13 begrenzt, wobei zwischen der Innenwand 12 und der Außenwand 13 ein Ringkanal 14 liegt. Am unteren, der Ausströmöffnung des Durchströmkanals 11 zugeordneten Seite sind zwei um horizontale Achsen 15, 16 schwenkbare Verschlußklappen 17, 18 montiert. Die Verschlußklappen sind von der in der Figur 1 dargestellten Offenstellung mittels Stelltriebe bildenden Kolbenzylindereinheiten 19, 20 in eine Verschlußstellung schwenkbar. Dies erfolgt unmittelbar nach Ende des Füllvorganges und vor dem Abnehmen des nicht dargestellten gefüllten Großsackes. Die Ausströmöffnung wird dadurch vollständig verschlossen, so dass durch Erschütterungen sich von der Innenwand 12 lösendes Füllgut durch die Verschlußklappen 17, 18 zurückgehalten wird. Damit im mittleren Bereich keine Fuge entsteht, ist gemäß der Ausführung nach der Figur 1 die in der Darstellung linke Verschlußklappe 17 an der Außenseite mit einer Leiste 21 ausgestattet, die die Trennfuge im geschlossenen Zustand der Verschlußklappen 17, 18 übergreift. Die Steuerung der Kolbenzylindereinheiten 19, 20 muß darauf abgestimmt sein, das heißt, die in der Darstellung rechte Verschlußklappe 18 muß ein klein wenig früher in die Verschlußlage geschwenkt werden. Im dargestellten Ausführungsbeispiel sind die Kolbenzylindereinheiten 19, 20 so montiert, dass die Kolbenstangen in unmittelbarer Nähe der horizontalen Achsen 15, 16 stehen. Entgegen der Darstellung ist es zweckmäßig, wenn die Kolbenzylindereinheiten 19, 20 im oberen Bereich des Füllstutzens 10 montiert werden, da sie dann nicht einer so hohen Belastung durch die Staubentwicklung ausgesetzt werden. Die Verbindung mit den Verschlußklappen 17, 18 erfolgt dann über entsprechend ausgelegte Gestänge.The filler neck 10 shown in Figure 1 contains a flow channel 11, the is circular in cross section. The filling material is from a not shown, arranged above the filler neck 10 scales. The product flow is controlled by a metering device, not shown. The filler neck 10 is provided with an inner wall 12 delimiting the flow channel 11 and an outer wall 13, wherein between the inner wall 12 and the Outer wall 13 is an annular channel 14. At the bottom, the outflow opening of the Flow channel 11 side are two about horizontal axes 15, 16th pivotable flaps 17, 18 mounted. The flaps are from the open position shown in Figure 1 by means of actuating piston cylinder units 19, 20 pivotable into a closed position. This is done immediately after the end of the filling process and before removing the not shown filled sack. This completely closes the outflow opening, so that filling material detaches itself from the inner wall 12 due to vibrations the flaps 17, 18 is retained. So that in the middle area none Fug arises, is according to the embodiment of Figure 1 in the illustration left flap 17 on the outside equipped with a bar 21 that the Partition joint in the closed state of the flaps 17, 18 overlaps. The Control of the piston cylinder units 19, 20 must be coordinated with the that is, the right flap 18 in the illustration must be a little earlier be pivoted into the closed position. In the illustrated embodiment are the piston-cylinder units 19, 20 mounted so that the piston rods in stand in the immediate vicinity of the horizontal axes 15, 16. Contrary to the representation it is expedient if the piston-cylinder units 19, 20 in the upper region of the filler neck 10 are mounted, since then they are not as high a burden exposed to dust. The connection with the flaps 17, 18 then takes place via correspondingly designed linkages.

Im dargestellten Ausführungsbeispiel ist der untere Bereich der äußeren Wandung 13 als Blähschlauch 13a ausgebildet, der nach dem Anlegen des leeren Großsackes durch Beaufschlagung mit Druckluft aufgeweitet wird, so dass der Sackrand gegen ein ringförmiges Widerlager 22 gedrückt wird, welches auch die Sackschnalle 23 enthält. Durch die Aufweitung des Blähschlauches 13a wird der Sack in Verbindung mit dem Widerlager 22 festgelegt. Die Verschlußklappen 17, 18 werden bevorzugt in die Offenstellung geschwenkt, nachdem der an den Füllstutzen 10 angehängte Großsack aufgeblasen wurde, da die Verschlußklappen 17, 18 das Aufblasen begünstigen. Die Verschlußklappen 17, 18 werden in die Schließstellung geschwenkt, nachdem entweder der Blähschlauch 13a drucklos ist oder wenn die Sackschnalle geöffnet wird. Entgegen der Darstellung nach der Figur 1 können die Stelltriebe 19, 20 bzw. die Kolbenzylindereinheiten auch im oberen Bereich oder auch oberhalb des Füllstutzens 10 angeordnet werden. Zweckmäßigerweise werden sie dann horizontal montiert. Sie sind über eine allgemein bekanntes Schwenkgestänge antriebstechnisch mit den Verschlußklappen 17, 18 verbunden. Die Stelltriebe 19, 20 sind dann so gut wie es möglich ist, gegen eine Staub- und Schmutzbelastung geschützt.In the illustrated embodiment, the lower area of the outer wall 13 formed as an inflatable tube 13a, which after the empty large bag is put on is expanded by exposure to compressed air, so that the edge of the bag against an annular abutment 22 is pressed, which also includes the bag buckle 23 contains. By expanding the inflation hose 13a, the sack is connected fixed with the abutment 22. The shutters 17, 18 are preferred pivoted into the open position after the attached to the filler neck 10 Large bag has been inflated because the flaps 17, 18 are inflating favor. The flaps 17, 18 are pivoted into the closed position, after either the inflation hose 13a is depressurized or when the Bag buckle is opened. Contrary to the representation according to FIG. 1, the Actuators 19, 20 and the piston-cylinder units also in the upper area or can also be arranged above the filler neck 10. Expediently then mounted them horizontally. They are about a well known swivel linkage drive technology connected to the flaps 17, 18. The actuators 19, 20 are then as good as possible against dust and dirt pollution protected.

Die Figur 2 zeigt, dass der Füllmaschine bzw. dem Füllstutzen 10 eine Bedienerbühne 24 zugeordnet ist, damit die Bedienungsperson den zu füllenden, nicht dargestellten Großsack an den Füllstutzen 10 anhängen kann. Die Ausführung der Füllstutzen 10 ist eine Horizontalachse 25 schwenkbar, wie insbesondere die Figur 4 zeigt. Unterhalb des Füllstutzens 10 ist noch eine Stützeinrichtung 26 vorgesehen, die in der Höhe verstellt werden kann, sodass sich der Großsack bei jedem Füllungsgrad darauf abstützen kann. In der Figur 2 und der Figur 4 ist der Füllstutzen 10 in der gegen die Vertikale geneigten Stellung gezeichnet, in der der Großsack daran angehängt wird. Insbesondere die Figur 2 zeigt, dass sich der Abstand dadurch zur Bedienungsperson verringert, sodass das Anhängen erleichtert wird. Die Figur 4 zeigt außerdem, dass die Verschlussklappen 17, 18 in der Schrägstellung des Füllstutzens geschlossen sind. Die Figur 3 zeigt den Füllstutzen 10 als Einzelheit. Gezeichnet ist die Füllstellung mit geöffneten Verschlussklappen 17, 18. Die Figur 3 zeigt außerdem, dass die Horizontalachse 25 angrenzenden die Außenwandung 13 angeordnet ist. Außerdem steht sie im Abstand zur Ausströmöffnung des Füllstutzens 10. Im dargestellten Ausführungsbeispiel besteht sie außerdem aus zwei einzelnen Abschnitten. In nicht dargestellter Weise wird der Füllstutzen 10 mittels eines Stelltriebes verschwenkt. Dieser Stelltrieb enthält vorzugsweise eine Kolbenzylindereinheit in der gleichen Bauform wie sie für das Öffnen und Schließen der Verschlussklappen 17, 18 benötigt wird.FIG. 2 shows that the filling machine or the filling nozzle 10 has an operator platform 24 is assigned so that the operator to be filled, not shown Large bag can attach to the filler neck 10. The execution of the filler neck 10, a horizontal axis 25 can be pivoted, as in particular FIG. 4 shows. A support device 26 is also provided below the filler neck 10, which can be adjusted in height, so that the large bag can be filled at any filling level can rely on it. In Figure 2 and Figure 4 is the filler neck 10 drawn in the position inclined against the vertical, in which the large sack is attached to it. FIG. 2 in particular shows that the distance changes as a result reduced to the operator so that the attachment is easier. The Figure 4 also shows that the flaps 17, 18 in the inclined position the filler neck are closed. Figure 3 shows the filler neck 10 as a detail. The filling position is drawn with the flaps 17, 18 open FIG. 3 also shows that the horizontal axis 25 adjoins the outer wall 13 is arranged. It is also at a distance from the outflow opening of the Filler neck 10. In the illustrated embodiment, it also consists of two separate sections. In a manner not shown, the filler neck 10 pivoted by means of an actuator. This actuator preferably contains one Piston cylinder unit in the same design as that used for opening and closing the closure flaps 17, 18 is required.

Die Erfindung ist nicht auf die dargestellten Ausführungsbeispiele beschränkt. Wesentlich ist, dass vorzugsweise die Ausströmöffnung des Durchströmkanals 11 durch ein Verschließelement 17, 18 verschlossen wird, wenn der Füllvorgang beendet ist, so dass sich von der Innenfläche des Füllstutzens 10 lösendes Füllgut zurückgehalten wird.The invention is not restricted to the exemplary embodiments shown. Essential is that preferably the outflow opening of the throughflow channel 11 is closed by a closing element 17, 18 when the filling process ends is so that detachable filling material is retained from the inner surface of the filler neck 10 becomes.

Claims (14)

Füllmaschine zum Füllen von offenen Großsäcken mit einem Füllstutzen (10) an dessen unteren Randbereich der zu füllende Großsack ansetzbar ist, gekennzeichnet durch wenigstens ein im unteren Bereich des Füllstutzens (10) angeordnetes Verschließelement (17, 18), welches mittels eines steuerbaren Stelltriebes (19, 20) in eine die Durchströmöffnung des Füllstutzens (10) freigebende und verschließende Stellung bringbar ist, und dass zumindest der von dem angesetzten Großsack umhüllte Bereich des Füllstutzens (10) um eine gegenüber der vertikalen geneigte Anhängestellung schwenkbar ist.Filling machine for filling open large bags with a filler neck (10) on the lower edge area of which the large bag to be filled can be attached, characterized by at least one closing element (17, 18) arranged in the lower area of the filler neck (10), which is controlled by a controllable actuator (19 , 20) can be brought into a position that releases and closes the flow opening of the filler neck (10) and that at least the area of the filler neck (10) encased by the attached large bag can be pivoted about a vertical inclined attachment position. Füllmaschine nach Anspruch 1, dadurch gekennzeichnet, dass mittels des Verschließelementes (17, 18) die Auslauföffnung des Durchströmkanals (11) verschließbar ist.Filling machine according to claim 1, characterized in that the outlet opening of the throughflow channel (11) can be closed by means of the closing element (17, 18). Füllmaschine nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Verschließelement aus zwei Verschlußklappen (17, 18) besteht, die um horizontale, parallel und im Abstand zueinander stehende Achsen (15, 16) schwenkbar sind.Filling machine according to claim 1 or 2, characterized in that the closing element consists of two closing flaps (17, 18) which can be pivoted about horizontal axes (15, 16) which are parallel and spaced apart. Füllmaschine nach Anspruch 3, dadurch gekennzeichnet, dass die Verschlußklappen (17, 18) halbkreisförmig oder annähernd halbkreisförmig gestaltet sind.Filling machine according to claim 3, characterized in that the closure flaps (17, 18) are semicircular or approximately semicircular. Füllmaschine nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass eine der Verschlußklappen (17) an der der horizontalen Achse (15) abgewandten Seite mit einer den Rand der anderen Verschlußklappe (18) in den Schließstellungen übergreifenden Leiste (21) versehen ist. Filling machine according to claim 3 or 4, characterized in that one of the closure flaps (17) on the side facing away from the horizontal axis (15) is provided with a strip (21) which overlaps the edge of the other closure flap (18) in the closed positions. Füllmaschine nach einem oder mehreren der vorhergehenden Ansprüche 2 bis 5, dadurch gekennzeichnet, dass jedes Verschlußelement (17, 18) mittels eines Stelltriebes, vorzugsweise mittels eines Linearantriebes in Form einer Kolbenzylindereinheit (19, 20) betätigbar ist.Filling machine according to one or more of the preceding claims 2 to 5, characterized in that each closure element (17, 18) can be actuated by means of an actuator, preferably by means of a linear drive in the form of a piston-cylinder unit (19, 20). Füllmaschine nach Anspruch 6, dadurch gekennzeichnet, dass jeder Linearantrieb 19, 20 horizontal im oberen Bereich des Füllstutzens 10 angeordnet und über ein Schwenkgestänge mit der zugehörigen Verschlußklappe 17, 18 antriebstechnisch verbunden ist.Filling machine according to claim 6, characterized in that each linear drive 19, 20 is arranged horizontally in the upper region of the filler neck 10 and is connected in terms of drive technology to the associated closure flap 17, 18 via a swivel linkage. Füllmaschine nach einem oder mehreren der vorhergehenden Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Füllstutzen (10) doppelwandig ausgebildet ist und dass der Ringkanal (14) mit einem Vakuum beaufschlagbar ist und dass in dem Ringkanal (14) die Stelltriebe (19, 20) montiert sind.Filling machine according to one or more of the preceding claims 1 to 7, characterized in that the filler neck (10) is double-walled and that a vacuum can be applied to the ring channel (14) and that the actuators (19, 20) are in the ring channel (14) ) are mounted. Füllmaschine nach Anspruch 8, dadurch gekennzeichnet, dass zumindest der untere Bereich der Außenwand (13) des Füllstutzens (10) als Druckluft beaufschlagbarer Blähschlauch (13a) ausgebildet ist und dass dem Blähschlauch (13a) ein ringförmiges Widerlager (22) funktionell zugeordnet ist.Filling machine according to claim 8, characterized in that at least the lower region of the outer wall (13) of the filler neck (10) is designed as an inflatable hose (13a) which can be pressurized with compressed air and that an annular abutment (22) is functionally assigned to the inflatable hose (13a). Füllmaschine nach Anspruch 9, dadurch gekennzeichnet, dass dem ringförmigen Widerlager (22) zum Lösen des gefüllten Großsackes eine Sackschnalle (23) zugeordnet ist.Filling machine according to claim 9, characterized in that a bag buckle (23) is assigned to the annular abutment (22) for releasing the filled large bag. Füllmaschine nach Anspruch 1, dadurch gekennzeichnet, dass der Füllstutzen (10) um eine Horizontalachse (25) schwenkbar ist, die im Abstand zur Ausströmöffnung des Füllstutzens steht. Filling machine according to claim 1, characterized in that the filler neck (10) is pivotable about a horizontal axis (25) which is at a distance from the outflow opening of the filler neck. Füllmaschine nach Anspruch 11, dadurch gekennzeichnet, dass die Horizontalachse (25) seitlich neben dem Füllstutzen (10) steht, vorzugsweise angrenzend an die Außenwandung (13).Filling machine according to claim 11, characterized in that the horizontal axis (25) is laterally next to the filler neck (10), preferably adjacent to the outer wall (13). Füllmaschine nach Anspruch 11 oder 12, dadurch gekennzeichnet, dass der Füllstutzen (10) mittels eines Stelltriebes schwenkbar ist, der vorzugsweise mit wenigstens einer Kolbenzylindereinheit ausgestattet ist.Filling machine according to claim 11 or 12, characterized in that the filler neck (10) is pivotable by means of an actuator which is preferably equipped with at least one piston-cylinder unit. Füllmaschine nach einem oder mehreren der vorhergehenden Ansprüche 1 und 11 bis 13, dadurch gekennzeichnet, dass der komplette Füllstutzen (10) um die Horizontalachse (25) schwenkbar ist.Filling machine according to one or more of the preceding claims 1 and 11 to 13, characterized in that the complete filler neck (10) can be pivoted about the horizontal axis (25).
EP02027021A 2001-12-13 2002-12-03 Apparatus for filling opened big bags Expired - Lifetime EP1319599B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20120177U DE20120177U1 (en) 2001-12-13 2001-12-13 Filling machine for filling open large bags
DE20120177U 2001-12-13
DE20206433U DE20206433U1 (en) 2001-12-13 2002-04-23 Filling machine for filling open large bags
DE20206433U 2002-04-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1730036B2 (en) † 2004-04-02 2021-05-19 Flexicon Corporation Moveable head bulk bag filler and corresponding method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3210724A1 (en) * 1982-03-24 1983-10-06 Bosch Gmbh Robert Device for metering and filling portions of product into packaging containers
EP0709291A2 (en) * 1994-10-24 1996-05-01 Bagfilla Limited Filling head
US5535792A (en) * 1994-12-01 1996-07-16 Mcgregor; James R. High speed bag filling machine
GB2365837A (en) * 2000-08-03 2002-02-27 Flomat Bagfilla Internat Ltd Tiltable filling head

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3210724A1 (en) * 1982-03-24 1983-10-06 Bosch Gmbh Robert Device for metering and filling portions of product into packaging containers
EP0709291A2 (en) * 1994-10-24 1996-05-01 Bagfilla Limited Filling head
US5535792A (en) * 1994-12-01 1996-07-16 Mcgregor; James R. High speed bag filling machine
GB2365837A (en) * 2000-08-03 2002-02-27 Flomat Bagfilla Internat Ltd Tiltable filling head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1730036B2 (en) † 2004-04-02 2021-05-19 Flexicon Corporation Moveable head bulk bag filler and corresponding method

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EP1319599B1 (en) 2005-02-02
ATE288386T1 (en) 2005-02-15

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