EP0548502B1 - Filling device - Google Patents

Filling device Download PDF

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Publication number
EP0548502B1
EP0548502B1 EP92118335A EP92118335A EP0548502B1 EP 0548502 B1 EP0548502 B1 EP 0548502B1 EP 92118335 A EP92118335 A EP 92118335A EP 92118335 A EP92118335 A EP 92118335A EP 0548502 B1 EP0548502 B1 EP 0548502B1
Authority
EP
European Patent Office
Prior art keywords
funnel
flaps
filling
hopper
open
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
EP92118335A
Other languages
German (de)
French (fr)
Other versions
EP0548502A2 (en
EP0548502A3 (en
Inventor
Konrad Tetenborg
Heinz Eschmann
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.)
Windmoeller and Hoelscher KG
Original Assignee
Windmoeller and Hoelscher KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Windmoeller and Hoelscher KG filed Critical Windmoeller and Hoelscher KG
Priority to EP95119643A priority Critical patent/EP0718194A1/en
Publication of EP0548502A2 publication Critical patent/EP0548502A2/en
Publication of EP0548502A3 publication Critical patent/EP0548502A3/en
Application granted granted Critical
Publication of EP0548502B1 publication Critical patent/EP0548502B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/56—Gates or closures operating by deformation of flexible walls
    • 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
    • B65B39/04—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers having air-escape, or air-withdrawal, passages

Definitions

  • the invention relates to a filling device for bulk goods with a filling funnel, which is surrounded at its open, discharge-side end by a housing in which two funnel flaps are pivotally mounted.
  • Filling devices of this type are known, for example, from GB 2 034 904 A and are used, for example, to fill previously weighed bulk goods into bags. Depending on its grain size, the bulk material can very easily tend to form dust.
  • the object of the present invention is to provide a filling device of the generic type, in which such filling losses are largely suppressed.
  • this object is achieved in that the filling funnel has a circumferential profile on its outside and that sealing rubber strips are arranged on the funnel flaps, which bear tightly against the circumferential profile when the funnel flaps are opened.
  • the space between the filling funnel and the funnel flaps that extend it is closed dust-tight, so that the losses occurring in the prior art no longer occur.
  • Guide and sealing plates for closing the open end of the filling funnel can be arranged within the funnel flaps. In this way, by appropriately controlling the funnel flaps, the filling funnel can be closed when the filling device is at a standstill.
  • a dust extraction device can be connected to the housing that surrounds the end of the filling funnel like a hood. This also serves to keep the work area as dust-free as possible.
  • the generic hopper is therefore to be further developed in such a way that blockages or plug formation in the tapering hopper area are prevented without having to extract air laden with solids.
  • the filling funnel 12 forms the core of the filling device 10.
  • the filling funnel 12 is composed of several segments which initially taper only slightly. In its lower region, however, the hopper 12 is tapered towards a tubular end region.
  • the filling funnel 12 has a rectangular cross section. In the lower area it is enclosed by a hood-like housing 14.
  • connecting pieces of a dust extraction 16 are connected to the hood 14.
  • the dust-containing atmosphere in the region of the discharge-side end of the filling funnel 12 can be suctioned off by means of a suction fan (not shown in more detail here).
  • the discharge-side end of the filling funnel 12 is surrounded by a jacket 38 which runs parallel to the filling funnel 12 and in which two dust compensation lines 34 open. These dust compensation lines run essentially parallel to the hopper and open into the feed end of the hopper.
  • two funnel flaps 18 and 20 are pivotably mounted in the housing 14 via arms 26 mounted on the pivot axes 28. These two funnel flaps are designed so that they partially overlap on the sides. The respective overlapping parts of the side walls are shown in FIGS. 2 and 3 with dashed lines.
  • the cross section according to FIG. 4 shows in detail how the left funnel flap 18 and the right funnel flap 20 each overlap laterally.
  • a guide and sealing plate 22 or 24 is welded into each of the funnel flaps.
  • the guide and sealing plates form an extension of the lower end of the filling funnel 12 (cf. FIG. 2).
  • the guide and sealing plates 22 and 24 close the filling funnel 12, as shown in FIG. 3.
  • the directed funnel flaps lie with their end region facing the filling funnel parallel to the filling funnel 12 and thus simultaneously to the jacket 36 surrounding it, as shown in FIG. 2.
  • a partially beveled circumferential profile 32 is placed on the outside of the jacket 36. With the bevel of this circumferential profile 32, sealing rubber strips provided on the end regions of the funnel flaps 18 and 20 engage in a sealing manner (cf. FIG. 2). As a result, the filling loss of the bulk material is considerably reduced during the filling process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Seal Device For Vehicle (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The funnel flaps (18,20) have rubber sealing strips (30) which, when the flaps are open, lie sealingly against the circumferential profile section (32). Inside the funnel flaps are guide and sealing faces (22,24) for closing the open end of the filling hopper (12). A suction device is pref. attached to the housing (14) so that the dust contg. atmos. can be drawn off by a suction fan at the delivery end of the hopper.

Description

Die Erfindung betrifft eine Füllvorrichtung für Schüttgüter mit einem Fülltrichter, der an seinem offenen, abgabeseitigen Ende von einem Gehäuse umgeben ist, in welchem zwei Trichterklappen schwenkbar gelagert sind.The invention relates to a filling device for bulk goods with a filling funnel, which is surrounded at its open, discharge-side end by a housing in which two funnel flaps are pivotally mounted.

Derartige Füllvorrichtungen sind beispielsweise aus der GB 2 034 904 A bekannt und dienen beispielsweise dem Abfüllen vorher gewogener Schüttgutmengen in Säcke. Dabei kann das Schüttgut je nach seiner Korngröße sehr leicht zur Staubbildung neigen.Filling devices of this type are known, for example, from GB 2 034 904 A and are used, for example, to fill previously weighed bulk goods into bags. Depending on its grain size, the bulk material can very easily tend to form dust.

So wurde bei Füllvorrichtungen der gattungsgemäßen Art festgestellt, daß zwischen dem oberen Ende der Trichterklappen und dem offenen Ende der Fülltrichter, die bei geöffneten Trichterklappen nebeneinander zu liegen kommen, beispielsweise bei Abfülllen von staubförmigem PVC-Pulver, ca. 1 Gew.% des abzufüllenden Schüttguts verloren geht. Das bedeutet, daß bei 100 abgefüllten Säcken der Inhalt eines ganzen Sacks verlorengeht.So it was found in filling devices of the generic type that between the upper end of the funnel flaps and the open end of the filling funnel, which come to lie next to each other when the funnel flaps are open, for example when filling dust-like PVC powder, about 1% by weight of the bulk material to be filled get lost. This means that with 100 filled bags, the contents of an entire bag will be lost.

Aufgabe der vorliegenden Erfindung ist es, eine Füllvorrichtung der gattungsgemäßen Art an die Hand zu geben, bei der derartige Füllverluste weitgehend unterdrückt werden.The object of the present invention is to provide a filling device of the generic type, in which such filling losses are largely suppressed.

Erfindungsgemäß wird diese Aufgabe dadurch gelöst, daß der Fülltrichter an seiner Außenseite ein umlaufendes Profil aufweist und daß an den Trichterklappen Dichtgummistreifen angeordnet sind, die bei aufgesteuerten Trichterklappen an dem umlaufenden Profil dichtend anliegen. Durch diese erfinderische Maßnahme wird der Zwischenraum zwischen dem Fülltrichter und den diesen verlängernden Trichterklappen staubdicht abgeschlossen, so daß die beim Stand der Technik auftretenden Verluste nicht mehr auftreten.According to the invention, this object is achieved in that the filling funnel has a circumferential profile on its outside and that sealing rubber strips are arranged on the funnel flaps, which bear tightly against the circumferential profile when the funnel flaps are opened. With this inventive measure, the space between the filling funnel and the funnel flaps that extend it is closed dust-tight, so that the losses occurring in the prior art no longer occur.

Innerhalb der Trichterklappen können Führungs- und Dichtbleche zum Verschließen des offenen Endes des Fülltrichters angeordnet sein. Hierdurch kann durch entsprechende Zusteuerung der Trichterklappen der Fülltrichter für den Fall des Stillstandes der Füllvorrichtung geschlossen werden.Guide and sealing plates for closing the open end of the filling funnel can be arranged within the funnel flaps. In this way, by appropriately controlling the funnel flaps, the filling funnel can be closed when the filling device is at a standstill.

Bei den erfindungsgemäß dicht verschließbaren Fülltrichtern kann es zu Verstopfungen bzw. Pfropfenbildungen in dem sich verjüngenden Trichterbereich kommen. Um derartige Verstopfungen zu vermeiden, kann an dem das Ende des Fülltrichters haubenartig umgebenden Gehäuse eine Staubabsaugung angeschlossen sein. Diese dient auch dazu, den Arbeitsbereich möglichst staubfrei zu halten.In the case of the filling funnels which can be tightly closed according to the invention, blockages or plug formation can occur in the tapering funnel area. In order to avoid such blockages, a dust extraction device can be connected to the housing that surrounds the end of the filling funnel like a hood. This also serves to keep the work area as dust-free as possible.

Gemäß einem weiteren Aspekt der Erfindung, soll der gattungsgemäße Fülltrichter daher dahingehend weiterentwickelt werden, daß Verstopfungen bzw. Pfropfenbildungen in dem sich verjüngenden Trichterbereich verhindert werden, ohne daß feststoffbeladene Luft abgesaugt werden muß.According to a further aspect of the invention, the generic hopper is therefore to be further developed in such a way that blockages or plug formation in the tapering hopper area are prevented without having to extract air laden with solids.

Weitere Einzelheiten und Vorteile der Erfindung werden anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1:
eine Gesamtansicht der erfindungsgemäßen Füllvorrichtung;
Fig. 2:
einen Schnitt durch einen Teil der Füllvorrichtung mit aufgesteuerten Trichterklappen;
Fig. 3:
einen der Fig. 2 entsprechenden Schnitt, allerdings mit zugesteuerten Trichterklappen und
Fig. 4:
einen Querschnitt entlang der Schnittlinie IV-IV gemäß Fig. 2.
Further details and advantages of the invention are explained in more detail with reference to the embodiment shown in the drawing. Show it:
Fig. 1:
an overall view of the filling device according to the invention;
Fig. 2:
a section through part of the filling device with open funnel flaps;
Fig. 3:
a section corresponding to FIG. 2, but with the funnel flaps closed and
Fig. 4:
3 shows a cross section along the section line IV-IV according to FIG. 2.

Wie der Fig. 1 zu entnehmen ist, bildet der Fülltrichter 12 das Kernstück der Füllvorrichtung 10. Der Fülltrichter 12 ist aus mehreren Segmenten zusammengesetzt, die sich zunächst nur gering verjüngen. In seinem unteren Bereich ist der Fülltrichter 12 jedoch zu einem rohrförmigen Endbereich hin verjüngt. Der Fülltrichter 12 weist einen rechteckigen Querschnitt auf. Im unteren Bereich ist er von einem haubenartigen Gehäuse 14 umschlossen. An die Haube 14 sind bei dem Ausführungsbeispiel gemäß Fig. 1, 2, Stutzen einer Staubabsaugung 16 angeschlossen. Über ein hier nicht näher dargestelltes Sauggebläse kann die staubhaltige Atmosphäre im Bereich des abgabeseitigen Endes des Fülltrichters 12 abgesaugt werden.As can be seen in FIG. 1, the filling funnel 12 forms the core of the filling device 10. The filling funnel 12 is composed of several segments which initially taper only slightly. In its lower region, however, the hopper 12 is tapered towards a tubular end region. The filling funnel 12 has a rectangular cross section. In the lower area it is enclosed by a hood-like housing 14. In the exemplary embodiment according to FIGS. 1, 2, connecting pieces of a dust extraction 16 are connected to the hood 14. The dust-containing atmosphere in the region of the discharge-side end of the filling funnel 12 can be suctioned off by means of a suction fan (not shown in more detail here).

Das abgabeseitige Ende des Fülltrichters 12 ist von einem parallel zu dem Fülltrichter 12 verlaufenden Mantel 38 umgeben, in welchem zwei Staubausgleichsleitungen 34 münden. Diese Staubausgleichsleitungen verlaufen im wesentlichen parallel zu dem Fülltrichter und münden in das aufgabeseitige Ende des Fülltrichters.The discharge-side end of the filling funnel 12 is surrounded by a jacket 38 which runs parallel to the filling funnel 12 and in which two dust compensation lines 34 open. These dust compensation lines run essentially parallel to the hopper and open into the feed end of the hopper.

Wie insbesondere in den Fig. 2 und 3 näher dargestellt, sind im Gehäuse 14 über auf den Schwenkachsen 28 gelagerte Arme 26 zwei Trichterklappen 18 und 20 schwenkbar gelagert. Diese beiden Trichterklappen sind so konstruiert, daß Sie sich teilweise seitlich überlappen. Die jeweils überlappenden Teile der Seitenwände sind in den Fig. 2 und 3 mit gestrichelten Linien dargestellt. Dem Querschnitt gemäß Fig. 4 ist im einzelnen zu entnehmen, wie sich die linke Trichterklappe 18 und die rechte Trichterklappe 20 jeweils seitlich übergreifen. Innerhalb der Trichterklappen ist jeweils ein Führungs- und Dichtungsblech 22 bzw. 24 eingeschweißt. In geöffneter Stellung der Trichterklappen 18 und 20 bilden die Führungs- und Dichtungsbleche eine Verlängerung des unteren Endes des Fülltrichters 12 (vgl. Fig. 2). In zugesteuerter Position der Trichterklappen 18 und 20 verschließen die Führungs- und Dichtungsbleche 22 und 24 den Fülltrichter 12, wie in Fig. 3 dargestellt.As shown in more detail in particular in FIGS. 2 and 3, two funnel flaps 18 and 20 are pivotably mounted in the housing 14 via arms 26 mounted on the pivot axes 28. These two funnel flaps are designed so that they partially overlap on the sides. The respective overlapping parts of the side walls are shown in FIGS. 2 and 3 with dashed lines. The cross section according to FIG. 4 shows in detail how the left funnel flap 18 and the right funnel flap 20 each overlap laterally. A guide and sealing plate 22 or 24 is welded into each of the funnel flaps. In the open position of the funnel flaps 18 and 20, the guide and sealing plates form an extension of the lower end of the filling funnel 12 (cf. FIG. 2). In the controlled position of the funnel flaps 18 and 20, the guide and sealing plates 22 and 24 close the filling funnel 12, as shown in FIG. 3.

Die aufgesteuerten Trichterklappen liegen mit ihrem zum Fülltrichter hinweisenden Endbereich parallel zu dem Fülltrichter 12 und damit gleichzeitig zu dem diesen umgebenden Mantel 36, wie dies in Fig. 2 dargestellt ist. Außen auf dem Mantel 36 ist ein teilweise angeschrägtes umlaufendes Profil 32 aufgesetzt. Mit der Schräge dieses umlaufenden Profils 32 gehen an den Endbereichen der Trichterklappen 18 und 20 vorgesehene Dichtgummistreifen dichtend in Eingriff (vgl. Fig. 2). Hierdurch wird der Füllverlust des Schüttgutes während des Abfüllvorganges beträchtlich vermindert.The directed funnel flaps lie with their end region facing the filling funnel parallel to the filling funnel 12 and thus simultaneously to the jacket 36 surrounding it, as shown in FIG. 2. A partially beveled circumferential profile 32 is placed on the outside of the jacket 36. With the bevel of this circumferential profile 32, sealing rubber strips provided on the end regions of the funnel flaps 18 and 20 engage in a sealing manner (cf. FIG. 2). As a result, the filling loss of the bulk material is considerably reduced during the filling process.

Claims (3)

  1. Filling device (10) for bulk material, having a feed hopper (12) which, at its open, discharge-side end, is surrounded by a housing (14) in which two hopper flaps (18, 20) are pivotably mounted; characterized in that the feed hopper (12) has an encircling profile (32) on its outer side; and in that rubber sealing strips (30), which bear in a sealing manner on the encircling profile (32) when the hopper flaps (18, 20) are open, are arranged on the hopper flaps (18, 20).
  2. Filling device according to Claim 1, characterized in that guiding and sealing surfaces (22, 24) for closing the open end of the feed hopper (12) are arranged inside the hopper flaps (18, 20).
  3. Filling device according to Claim 1 or Claim 2, characterized in that a dust extractor (16) is connected to the housing (14).
EP92118335A 1991-12-23 1992-10-27 Filling device Expired - Lifetime EP0548502B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95119643A EP0718194A1 (en) 1991-12-23 1992-10-27 Filling device

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4142828 1991-12-23
DE4142828 1991-12-23
DE4209117 1992-03-20
DE4209117A DE4209117A1 (en) 1991-12-23 1992-03-20 FILLING DEVICE

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP95119643.5 Division-Into 1992-10-27

Publications (3)

Publication Number Publication Date
EP0548502A2 EP0548502A2 (en) 1993-06-30
EP0548502A3 EP0548502A3 (en) 1993-09-29
EP0548502B1 true EP0548502B1 (en) 1997-01-29

Family

ID=25910510

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92118335A Expired - Lifetime EP0548502B1 (en) 1991-12-23 1992-10-27 Filling device
EP95119643A Withdrawn EP0718194A1 (en) 1991-12-23 1992-10-27 Filling device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95119643A Withdrawn EP0718194A1 (en) 1991-12-23 1992-10-27 Filling device

Country Status (7)

Country Link
US (1) US5322096A (en)
EP (2) EP0548502B1 (en)
JP (1) JP3268040B2 (en)
AT (1) ATE148412T1 (en)
BR (1) BR9205133A (en)
DE (2) DE4209117A1 (en)
ES (1) ES2096005T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423964C1 (en) * 1994-07-07 1995-12-07 Windmoeller & Hoelscher Device for filling bags
EP0709291B1 (en) * 1994-10-24 1997-11-26 Bagfilla Limited Filling head
US5687551A (en) * 1994-11-14 1997-11-18 R. A. Jones & Co. Inc. Product holding hopper and pouch expander for filling pouches and methods
AU734020B2 (en) * 1997-09-25 2001-05-31 Chequer Corporation Limited A filling apparatus
ES2166242B2 (en) * 1999-01-22 2003-07-01 Payper Sa DISCHARGE MOUTH FOR SACK FILLING MACHINES.
CN102837860B (en) * 2012-09-25 2015-01-07 北京北机机电工业有限责任公司 Material filling bottle structure
DE102013010048A1 (en) * 2013-06-17 2014-12-18 Haver & Boecker Ohg Packing machine and process
US10087004B2 (en) 2016-05-04 2018-10-02 David R. Gill Material handling hopper

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH216086A (en) * 1940-10-07 1941-07-31 W & O Gericke Device for filling bulk goods into sacks.
US4221510A (en) * 1979-02-09 1980-09-09 Teledyne Canada Ltd. Withdrawal of particulate material from a hopper
US4245679A (en) * 1979-02-26 1981-01-20 Self Freddy R Dry chemical recovery device for fire extinguishers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260285A (en) * 1963-08-05 1966-07-12 Clarence W Vogt Apparatus and method for filling containers for pulverulent material
DE2642756A1 (en) * 1976-09-23 1978-03-30 Jun Hermann Schmitz Powdery material storage and refilling device - has silo-type container with outlet enclosed by hand operated flat valve
DE2850668A1 (en) * 1978-11-22 1980-05-29 Windmoeller & Hoelscher METHOD AND DEVICE FOR FILLING BAGS WITH A QUANTITY OF BULK GOODS DETERMINED BY THEIR WEIGHT
US4537013A (en) * 1981-11-23 1985-08-27 Windmoller & Holscher Bag-filling apparatus
US4526214A (en) * 1983-07-29 1985-07-02 Mcgregor Harold R Bag filling apparatus
US4969494A (en) * 1988-06-01 1990-11-13 Spiragaine, S.A. Filtering device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH216086A (en) * 1940-10-07 1941-07-31 W & O Gericke Device for filling bulk goods into sacks.
US4221510A (en) * 1979-02-09 1980-09-09 Teledyne Canada Ltd. Withdrawal of particulate material from a hopper
US4245679A (en) * 1979-02-26 1981-01-20 Self Freddy R Dry chemical recovery device for fire extinguishers

Also Published As

Publication number Publication date
DE4209117A1 (en) 1993-06-24
EP0718194A1 (en) 1996-06-26
EP0548502A2 (en) 1993-06-30
JP3268040B2 (en) 2002-03-25
ATE148412T1 (en) 1997-02-15
BR9205133A (en) 1993-06-29
EP0548502A3 (en) 1993-09-29
DE59207992D1 (en) 1997-03-13
ES2096005T3 (en) 1997-03-01
US5322096A (en) 1994-06-21
JPH05262301A (en) 1993-10-12

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