EP1817232A1 - Dosiervorrichtung zur zuführung von losen körnigen substanzen - Google Patents

Dosiervorrichtung zur zuführung von losen körnigen substanzen

Info

Publication number
EP1817232A1
EP1817232A1 EP05755153A EP05755153A EP1817232A1 EP 1817232 A1 EP1817232 A1 EP 1817232A1 EP 05755153 A EP05755153 A EP 05755153A EP 05755153 A EP05755153 A EP 05755153A EP 1817232 A1 EP1817232 A1 EP 1817232A1
Authority
EP
European Patent Office
Prior art keywords
product
vertical packaging
packaging machine
metering device
granular substances
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
EP05755153A
Other languages
English (en)
French (fr)
Other versions
EP1817232B1 (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
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 ICA SpA filed Critical ICA SpA
Publication of EP1817232A1 publication Critical patent/EP1817232A1/de
Application granted granted Critical
Publication of EP1817232B1 publication Critical patent/EP1817232B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 relates to the engineering of vertical packaging machines and specifically 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.
  • Figure 1 provides a schematic cross-section view of a vertical packaging machine equipped with a metering device for feeding loose granular substances.
  • a metering device for feeding loose granular substances.
  • a circumstance to be highlighted is that 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 1 ). It may be noted that 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. In the diaphragm (5) one may note the presence of an aperture (8) whose shape matches that of the feed channel (2).
  • the product When this aperture is positioned directly beneath 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:
  • FIG. 4 schematically represents the structure of a vertical packaging machine.
  • 10 indicates a tube for injecting gas into the package.
  • 11 indicates the air venting and circulation zone inside the forming tube (3).
  • M indicates a timed motor.
  • 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)
EP05755153A 2004-06-29 2005-06-20 Dosiervorrichtung zur zuführung von losen körnigen substanzen Expired - Lifetime 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 true EP1817232A1 (de) 2007-08-15
EP1817232B1 EP1817232B1 (de) 2009-12-02

Family

ID=34972752

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05755153A Expired - Lifetime 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006005996A1 *

Also Published As

Publication number Publication date
WO2006005996A1 (en) 2006-01-19
EP1817232B1 (de) 2009-12-02
ITBO20040407A1 (it) 2004-09-29
ES2337909T3 (es) 2010-04-30
DE602005018097D1 (de) 2010-01-14

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