EP0173623B1 - Verpackungsmaschinen für körnige Materialien in Ventilsäcken mit Hilfe von Sackstellmitteln - Google Patents

Verpackungsmaschinen für körnige Materialien in Ventilsäcken mit Hilfe von Sackstellmitteln Download PDF

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Publication number
EP0173623B1
EP0173623B1 EP85401644A EP85401644A EP0173623B1 EP 0173623 B1 EP0173623 B1 EP 0173623B1 EP 85401644 A EP85401644 A EP 85401644A EP 85401644 A EP85401644 A EP 85401644A EP 0173623 B1 EP0173623 B1 EP 0173623B1
Authority
EP
European Patent Office
Prior art keywords
subassembly
bag
valve
pct
cylinder
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
Application number
EP85401644A
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English (en)
French (fr)
Other versions
EP0173623A1 (de
Inventor
André Massa
Guy Dupasquier
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.)
Arkema France SA
Original Assignee
Atochem SA
Elf Atochem SA
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 Atochem SA, Elf Atochem SA filed Critical Atochem SA
Priority to AT85401644T priority Critical patent/ATE37689T1/de
Publication of EP0173623A1 publication Critical patent/EP0173623A1/de
Application granted granted Critical
Publication of EP0173623B1 publication Critical patent/EP0173623B1/de
Expired legal-status Critical Current

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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/262—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks opening of valve bags

Definitions

  • the present invention relates to improvements to the bag dispensers on a bagging machine for valve bags according to the preamble of claim 1 (known from document FR-A-2 172 388.
  • valve of the bag located at the top of the stack, hold this bag and move it with the valve open from the store where the stack is located to a filling and weighing station with a distributor tube on which said valve must be threaded.
  • the first bag of the stack is gripped under the action of the bag extraction system constituted by the suction cup support rakes (3) (3 ') carrying the telescopic suction cups (4) (4 ').
  • the telescopic suction cups are bellows suction cups made of elastomeric material which the Applicant has found more advantageous for the function of extracting bags from the store than ordinary suction cups, because they adapt better to irregularities in flatness and apparent hardness of the pile. of bags, and that during the transport of the bag their possibilities of damping reduce the releases of bags by shocks.
  • FIG. 1 (c) the bag is taken over by the head. This is tilted horizontally under the action of the rotation operator.
  • the bag holding jaws (8) are closed on the bag. They are carried by the articulated arms (7), and are constituted by solid cylinders (8) made of elastomer material embedded in supports (17).
  • the suction cups (6) (6 ') have not yet entered into action to open the valve (2').
  • FIG. 1 (d) the rotation operator has brought the entire head back to the vertical position, the jaws (8) holding the bag under the head in the vertical position, the suction cups (6) (6 ') having entered in action to open the valve (2 ').
  • the gripping head consisting of two front and rear flanges (14) (14 '), two left and right arms (7) and (7') on which are fixed. the jaw supports (17) (8).
  • a sliding movement along the columns (18) (18 ') of the application carriage (19) causes the valve (2') of the bag to thread onto the filling spout (9) of the dosing installation not shown, as can be seen in Figure 1 (e).
  • the filled bag is mechanically ejected from the spout (9) and falls on the tilting receptacle (9 ') which returns it to a conveyor belt (40), while the gripping head (19, 17 ), returned to horizontal, returns to find the next empty valve bag in the stack.
  • Figure 2 shows in more detail the method of construction of the gripping head. We recognize on a larger scale the constituent elements already mentioned.
  • the empty bag store is in (2).
  • In (5) is the rotary operator. This is a hydraulic member transforming a translational movement into a rotary movement by cooperation with a rack / pinion system.
  • This assembly includes a jack (10) for advancing the bag applicator carriage and its rod (10 ').
  • the carriage slides on the two columns (18) (18 ').
  • the bags are gripped by a pair of jaws (8) (8 ') controlled to close and open by the jacks (11) and (11').
  • These jacks are mounted on a set of flanges (14) (14 ') and spacers (15), (15'), (16) and (16 '), rigidly assembled to form a sort of cage, constituting the carcass of the applicator cart.
  • suction cups are connected to a vacuum source (not shown) and their support, namely the bar (13), rises and falls under the action of the jack (12).
  • the number of constituent elements of the head is high and that the suspended mass performing alternating rotational movements around the axis (20) and of alternating translation parallel to the columns (18) (18 ') and to the rods cylinders (11) (11 ') and (12) is relatively large.
  • One of the objects of the invention resides in the systematic lightening of the mobile assemblies constituting the head, by producing in a light alloy such as AU4G the structural parts of this head, such as the flanges (14) and (14 '), spacers or gussets such as (15) (15'), the applicator carriage (19), the arms (7) (7 ') and their extensions (17) (17').
  • a light alloy such as AU4G the structural parts of this head, such as the flanges (14) and (14 '), spacers or gussets such as (15) (15'), the applicator carriage (19), the arms (7) (7 ') and their extensions (17) (17').
  • Another characteristic of the invention also contributing to the same aim as the above means, consists in moving the set of moving masses away from the head of the variable choke blocks / non-return valve (one block for each pipe supply of double-acting cylinders) and their transfer to the general base of the pneumatic distribution center, this in order to reduce the inertia phenomena involved.
  • An additional advantage has been found by the applicant in the connection of said choke blocks / valve to the corresponding cylinders by long flexible pipes which introduce additional buffer capacities, giving more flexibility to the installation.
  • the main characteristic of the invention resides in the establishment, in opposition with the supply network at nominal pressure, of a back-pressure network, the latter being at most 3 bars lower than the pressure. nominal and which, thanks to interventions judiciously triggered over time, allows damping at the end of the movement of the masses in movement of the translation and rotation cylinders of the components of the head of the bagger.
  • the corresponding cycle times are very short, between 4.5 sec and 3 sec and no longer accommodate response times oleo-pneumatic accumulators, imposed by the viscosity of the oil.
  • the full section (S1) corresponds to the bore of the cylinder and the differential section (S2) is the previous section, reduced by the section of the cylinder rod.
  • This figure shows the translation cylinder, excluding the head and its annexes.
  • the jack (10, 10 ') is provided on its rod with a metal ring intended to act by influence, passing successively in front of the four detectors (51 to 54).
  • the cylinder (10) being of the damping type has on its rod a shoulder which closes the normal outlet of the compressed air from the front chamber to divert the outlet flow to a smaller orifice and provided with a needle allowing adjust the exit section and hence the smooth landing on the last two cm of the stroke.
  • the ring is then plumb with the detector (54) which switches the pressures by resting the distributors (27) and (25) and thus sends the back pressure to the rear, the front chamber being in exhaust at the open air.
  • the distributor (27) changes to the working position and sends the nominal pressure to the front of the jack (10).
  • This body is also called “rotation operator”. It is conventionally made up of two cylinders connected by a common rod, and operates in opposition by admission of working fluid on the two end faces of its cylinders.
  • the common rod is arranged in its central rack part and the latter meshes with a pinion, thereby delivering on the output shaft (20) of the latter a rotational movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Actuator (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (1)

  1. Sackpositioniereinrichtung für Einsackmaschinen für Ventilsäcke, bestehend aus einer Sackentnahmevorrichtung, die aus Saugnäpfe (4, 4') tragenden Tragerechen (3, 3') gebildet ist, und aus einer Drehvorrichtung (5), die in der Phase der Aufwärtsdrehung als Motor und in der Phase der Abwärtsdrehung als Bremse arbeitet und über eine Achse (20) alternierende Drehbewegungen eines Sackgreifkopfes verursacht, der seinerseits aus einem Paar Klemmbacken (8, 8') besteht, die auf mit einem auf Stangen (18, 18') gleitenden und durch einen ersten Zylinder (10) bewegten Schlitten verbundenen Gelenkarmen (7,7') angeordnet sind, dadurch gekennzeichnet, dass der Greifkopf einen zweiten Zylinder (47) aufweist, der auf einem der Arme (7') angeordnet ist und einen ersten Profilträger (48) bewegt, der mit einem zweiten auf dem anderen Arm (7) angeordneten und relativ zu diesem feststehenden Profilträger (49) zusammenarbeitet, um die Ebene des Ventils vor dessen Öffnung senkrecht zur Ebene des leeren Sackes zu halten, der von den Armen (7,7') getragen wird.
EP85401644A 1984-08-22 1985-08-13 Verpackungsmaschinen für körnige Materialien in Ventilsäcken mit Hilfe von Sackstellmitteln Expired EP0173623B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401644T ATE37689T1 (de) 1984-08-22 1985-08-13 Verpackungsmaschinen fuer koernige materialien in ventilsaecken mit hilfe von sackstellmitteln.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8413055A FR2570674B1 (fr) 1984-08-22 1984-08-22 Perfectionnements aux machines de conditionnement de matieres pulverulentes dans les sacs a valve a l'aide de placeurs de sacs
FR8413055 1984-08-22

Publications (2)

Publication Number Publication Date
EP0173623A1 EP0173623A1 (de) 1986-03-05
EP0173623B1 true EP0173623B1 (de) 1988-10-05

Family

ID=9307159

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401644A Expired EP0173623B1 (de) 1984-08-22 1985-08-13 Verpackungsmaschinen für körnige Materialien in Ventilsäcken mit Hilfe von Sackstellmitteln

Country Status (7)

Country Link
US (1) US4711070A (de)
EP (1) EP0173623B1 (de)
JP (1) JPS61503027A (de)
AT (1) ATE37689T1 (de)
DE (1) DE3565383D1 (de)
FR (1) FR2570674B1 (de)
WO (1) WO1986001486A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229963A1 (de) * 1992-09-08 1994-03-10 Haver & Boecker Aufsteckvorrichtung für vereinzelte Ventilsäcke

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800005A (nl) * 1987-01-08 1988-08-01 Haver & Boecker Inrichting voor het opsteken van ventielzakken op de vulstomp(en) van een verpakkingsmachine.
DE3920582A1 (de) * 1989-06-23 1991-01-10 Haver & Boecker Vorrichtung zum aufstecken von zu fuellenden ventilsaecken auf die fuellrohre einer packmaschine
US6880310B2 (en) * 2002-09-24 2005-04-19 Yakima Packaging Automation, Inc. Method for automatic bale bag loading
AT5677U1 (de) * 2001-10-11 2002-10-25 Card Casinos Austria Res & Dev Kartenmischer
DE102005038357A1 (de) * 2005-08-11 2007-02-15 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine mit wenigstens einem Pneumatikantrieb
CN102120504A (zh) * 2011-03-02 2011-07-13 方先其 一种阀口包装机自动上袋装置
CN114348355B (zh) * 2022-03-18 2022-06-21 徐州东坤耐磨材料有限公司 基于重量补偿的双磁控超细矿山粉体自动套袋包装装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1882954U (de) * 1963-08-05 1963-11-14 Agema Peter Weber Vorrichtung zum automatischen verpacken von gegenstaenden.
FR1533984A (fr) * 1967-06-13 1968-07-26 Savoye Machine d'emballage ou de conditionnement, comportant un bâti mobile verticalement par rapport à un bâti fixe
GB1418131A (en) * 1972-02-19 1975-12-17 Nakashima S Automatic package bag feeding device for use with an automatic charging device
US3830038A (en) * 1972-11-02 1974-08-20 Ventura Mfg Co Automatic bag pickup, opening and placement machine
JPS5344259B2 (de) * 1974-10-18 1978-11-28
US4411296A (en) * 1980-06-03 1983-10-25 W. G. Durant Corporation Valve bag placer
US4561238A (en) * 1984-05-25 1985-12-31 Bemis Company, Inc. Bag filling and closing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4229963A1 (de) * 1992-09-08 1994-03-10 Haver & Boecker Aufsteckvorrichtung für vereinzelte Ventilsäcke
DE4229963C2 (de) * 1992-09-08 1998-03-19 Haver & Boecker Aufsteckvorrichtung für vereinzelte Ventilsäcke

Also Published As

Publication number Publication date
ATE37689T1 (de) 1988-10-15
FR2570674A1 (fr) 1986-03-28
DE3565383D1 (en) 1988-11-10
EP0173623A1 (de) 1986-03-05
JPS61503027A (ja) 1986-12-25
US4711070A (en) 1987-12-08
FR2570674B1 (fr) 1987-07-17
WO1986001486A1 (fr) 1986-03-13

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