EP1817232B1 - Dosiervorrichtung zur zuführung von losen körnigen substanzen - Google Patents

Dosiervorrichtung zur zuführung von losen körnigen substanzen Download PDF

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Publication number
EP1817232B1
EP1817232B1 EP05755153A EP05755153A EP1817232B1 EP 1817232 B1 EP1817232 B1 EP 1817232B1 EP 05755153 A EP05755153 A EP 05755153A EP 05755153 A EP05755153 A EP 05755153A EP 1817232 B1 EP1817232 B1 EP 1817232B1
Authority
EP
European Patent Office
Prior art keywords
metering device
product
diaphragm
feed channel
vertical packaging
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.)
Not-in-force
Application number
EP05755153A
Other languages
English (en)
French (fr)
Other versions
EP1817232A1 (de
Inventor
Gino Rapparini
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.)
ICA SpA
Original Assignee
ICA SpA
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Publication date
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Publication of EP1817232A1 publication Critical patent/EP1817232A1/de
Application granted granted Critical
Publication of EP1817232B1 publication Critical patent/EP1817232B1/de
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Classifications

    • 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
    • B65B39/003—Rotating means
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles

Definitions

  • the present invention refers to metering devices for feeding loose granular substances.
  • metering screw or bucket feeders or checkweighers Different types of metering devices are presently used to predetermine the exact quantity of free-flowing granular products to be introduced into a package: metering screw or bucket feeders or checkweighers.
  • the subject-matter of the invention is a metering device for feeding a loose granular product in a vertical packaging machine, the granular product is gravity fed through a feed channel inserted inside a forming tube of a vertical packaging machine and cut off by a diaphragm which determines a quantity of the product to be introduced into a resulting package, characterized in that the diaphragm is a rotatable flat disk, which is adapted for sliding over a lower extremity of the feed channel, in order to seal off the lower extremity.
  • the above device differs from JP 59 001303 A (DOOBOOI KK) 6 January 1984 in that the diaphragm is a rotatable flat disk adapted for sliding over a lower extremity of the feed channel.
  • the special design of the diaphragm as claimed cannot be deduced in an obvious manner from the Prior Art.
  • the metering device for feeding a loose granular product in a vertical packaging machine in which the rotatable diaphragm is driven by a shaft of an electronically timed motor, which controls an opening time of said rotatable diaphragm in order to determine and regulate the exact quantity of the product gravity fed through the feed channel.
  • the rotatable flat disk is orientated horizontally and rotatable around a vertical axis.
  • the metering device of the invention has a suitable ducting for injecting inert gas into the resulting package.
  • the metering device of the invention has a suitable ducting for venting and circulation of air during the product's descent into the resulting package.
  • the height of a gravity-induced drop of the granular product is minimized by virtue of the fact that the diaphragm being positioned at the lower open extremity of the feed channel and thus being situated in proximity to the transverse sealing clamps that seal the resulting package.
  • the metering device of the invention is applicable both to vertical packaging machines that work with rolls and vertical packaging machines that work with pre-made flexible bags or rigid containers.
  • Figure 1 provides a schematic cross-section view of a vertical packaging machine equipped with a metering device for feeding loose granular substances.
  • figure 1 represents the position that the metering device of the present invention assumes when the diaphragm (5) cuts off the flow of product (1) gravity fed through the shaped channel (2).
  • the bottom of the package to be gravity filled is at the same level as the transverse sealing clamps (12) and the product drop height (h) is reduced to the distance between the clamps and the lower extremity (9) of the product feed channel (1), which corresponds to the end of the forming tube (3).
  • This minimal drop of the loose granular product is a highly welcome feature that optimises the performance of the metering device of the present invention, especially for loose granular products, even if they contain powder.
  • Figure 2 shows the initial phase of the operation whereby the product (1) is introduced and descends freely by gravity through the channel (2).
  • drop height is indicated by the letter (h) and corresponds to the vertical distance between the cut-off diaphragm (5) that slides beneath the lower extremity (9) of the feed channel (2) and the transverse sealing clamps (12).
  • Figure 3 shows the continuation of the product's gravity-induced free fall.
  • Figure 4 illustrates the end of the metering operation. It may be noted that the diaphragm (5) is closed and has cut off the gravity-induced free flow of loose product (1).
  • Figure 5 illustrates the operation whereby the package (6) filled with a predetermined quantity of product is then sealed.
  • Figure 6 schematically illustrates the use of the metering device to introduce a predetermined quantity of loose granular product into a rigid container (6').
  • the letter (h) indicates that the product drop height is always minimal and is defined precisely by the vertical distance between the bottom of the container (6') and the lower extremity (9) of the feed channel (2) sealed off by the diaphragm (5).
  • Figure 7 provides a more detailed illustration of a vertical cross-section of the diaphragm (5) which cuts off the flow of loose product (1). It may be noted that the upper surface of said revolving diaphragm slides over the lower extremity (9) of the feed channel (2) so as to seal it off. It is also evident that the rotation of the revolving diaphragm (5) is driven by the shaft (7) controlled by a timed motor.
  • Figure 8 shows the diaphragm (5) as seen from below.
  • the diaphragm (5) one may note the presence of an aperture (8) whose shape matches that of the feed channel (2).
  • the product can flow freely, drawn by natural gravity; when the diaphragm (5) slides closed to seal off the lower extremity (9) of the shaped channel (2) the free flow of product is cut off.
  • the opening time is regulated by the motor (M), which predetermines the exact quantity of product to be introduced into the resulting package (6).
  • the device of the present invention thus functions like a traditional gravity metering device but is inserted inside the forming tube of the vertical packaging machine so that the product is discharged at the end of said forming tube. This arrangement minimises the product drop height to the value indicated by (h) in the previous figure (7 ).
  • Figure 9 shows a cross-section view of the metering device.
  • a tube (10) for introducing gas and an open zone (11) for venting and circulating air during product discharge operations (1).
  • the shaft (7) is integral with the revolving diaphragm (5) precisely in order to drive the latter and regulate the duration of its opening and closing, which will define the dose of the fed product.
  • each individual item is marked as follows:
  • the invention naturally lends itself to different embodiments as regards both the dimensions and structural proportions, as well as the technological choices in respect of the materials to be used in the manufacture of the various constituent parts and various commercial components.
  • the innovative concept of the present invention is founded upon minimising the drop height (h), which is achieved through a technological contrivance whereby the flow of the loose product is cut off at the bottom of the feed channel (2). Moreover, said cut-off of flow is obtained by means of a revolving diaphragm (5) that slides over the lower terminal surface (9) of the aforesaid feed channel (2) to seal it off.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)

Claims (7)

  1. Dosiervorrichtung zum Zuführen eines losen körnigen Produkts (1) in einer Vertikalverpackungsmaschine, wobei das körnige Produkt (1) durch einen Zufuhrkanal (2) der innerhalb eines Formrohres (3) einer Vertikalverpackungsmaschine (4) eingesetzt ist, schwerkraftzugeführt und durch eine Trennwand (5) abgeschnitten wird, die eine Menge des Produkts (1) bestimmt, welche in eine resultierende Packung (6) eingebracht werden soll,
    dadurch gekennzeichnet, dass
    die Trennwand (5) eine drehbare flache Scheibe (5) ist, die geeignet ist, um über eine untere Extremität (9) des Zufuhrkanals (2) zu gleiten, um die untere Extremität (9) abzudichten.
  2. Dosiervorrichtung zum Zuführen eines losen körnigen Produkts (1) in einer Vertikalverpackungsmaschine nach Anspruch 1,
    dadurch gekennzeichnet, dass
    die drehbare Trennwand (5) durch eine Welle (7) eines elektronisch getakteten Motors (M) angetrieben ist, der eine Öffnungszeit der drehbaren Trennwand (5) steuert, um die genaue Menge des durch den Zufuhrkanal (2) schwerkraftzugeführten Produkts zu bestimmen und zu regeln.
  3. Dosiervorrichtung nach Anspruch 1 oder 2,
    dadurch gekennzeichnet, dass
    die drehbare flache Scheibe (5) horizontal und drehbar um eine vertikale Achse (7) herum orientiert ist.
  4. Dosiervorrichtung nach einem der Ansprüche 1 bis 3,
    gekennzeichnet durch
    eine geeignete Leitung (10) zum Einspritzen von Inertgas in die resultierende Packung (6).
  5. Dosiervorrichtung nach einem der Ansprüche 1 bis 4,
    gekennzeichnet durch
    eine geeignete Leitung (11) zum Belüften und zur Zirkulation von Luft während des Absinkens des Produkts in die resultierende Packung (6).
  6. Dosiervorrichtung nach einem der Ansprüche 1 bis 5,
    dadurch gekennzeichnet, dass
    die Höhe eines schwerkraftinduzierten Falls (h) des körnigen Produkts auf Grund der Tatsache minimiert ist, dass die Trennwand (5) an der unteren offenen Extremität (9) des Zufuhrkanals (2) positioniert ist und sich daher in der Nähe der quergerichteten Versiegelungsklemmen (12) befindet, welche die resultierende Packung (6) versiegeln.
  7. Dosiervorrichtung nach einem der Ansprüche 1 bis 6,
    dadurch gekennzeichnet, dass
    die Vorrichtung sowohl auf Vertikalverpackungsmaschinen, die mit Rollen arbeiten, als auch auf Vertikalverpackungsmaschinen anwendbar ist, die mit vorgefertigten flexiblen Beuteln oder starren Behältern arbeiten.
EP05755153A 2004-06-29 2005-06-20 Dosiervorrichtung zur zuführung von losen körnigen substanzen Not-in-force EP1817232B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO20040407 ITBO20040407A1 (it) 2004-06-29 2004-06-29 Dispositivo per dosare l'alimentazione di sostanze granulari scorrevoli
PCT/IB2005/001720 WO2006005996A1 (en) 2004-06-29 2005-06-20 Metering device for feeding loose granular substances

Publications (2)

Publication Number Publication Date
EP1817232A1 EP1817232A1 (de) 2007-08-15
EP1817232B1 true EP1817232B1 (de) 2009-12-02

Family

ID=34972752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05755153A Not-in-force EP1817232B1 (de) 2004-06-29 2005-06-20 Dosiervorrichtung zur zuführung von losen körnigen substanzen

Country Status (5)

Country Link
EP (1) EP1817232B1 (de)
DE (1) DE602005018097D1 (de)
ES (1) ES2337909T3 (de)
IT (1) ITBO20040407A1 (de)
WO (1) WO2006005996A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5367634B2 (ja) 2010-04-28 2013-12-11 株式会社イシダ 縦型製袋包装機

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS591303A (ja) * 1982-06-14 1984-01-06 ニュ−ロング株式会社 粉体の袋詰め充填方法とその装置
DE3612197A1 (de) * 1986-04-11 1987-10-22 Bosch Gmbh Robert Vorrichtung zum herstellen von mit fluessigkeit gefuellten beutelpackungen
JPH03200507A (ja) * 1989-12-25 1991-09-02 Meiji Milk Prod Co Ltd 容器を成形しつつ固形物を含んだ液体の充填包装方法及び装置

Also Published As

Publication number Publication date
EP1817232A1 (de) 2007-08-15
DE602005018097D1 (de) 2010-01-14
ES2337909T3 (es) 2010-04-30
ITBO20040407A1 (it) 2004-09-29
WO2006005996A1 (en) 2006-01-19

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