EP3558828A1 - Dispositif et procédé d'enfilement destinés à enfiler des sacs à soupape - Google Patents

Dispositif et procédé d'enfilement destinés à enfiler des sacs à soupape

Info

Publication number
EP3558828A1
EP3558828A1 EP17832229.3A EP17832229A EP3558828A1 EP 3558828 A1 EP3558828 A1 EP 3558828A1 EP 17832229 A EP17832229 A EP 17832229A EP 3558828 A1 EP3558828 A1 EP 3558828A1
Authority
EP
European Patent Office
Prior art keywords
gripper
valve
valve bag
air
gripper holder
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
EP17832229.3A
Other languages
German (de)
English (en)
Other versions
EP3558828B1 (fr
Inventor
Christian Remfert
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.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
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 Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP3558828A1 publication Critical patent/EP3558828A1/fr
Application granted granted Critical
Publication of EP3558828B1 publication Critical patent/EP3558828B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16—Feeding individual bags or carton blanks from piles or magazines by grippers
    • B65B43/18—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
    • 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
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags
    • 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 a AufSteckvorraum for attaching valve bags and in particular for attaching woven and / or sewn valve bags to a filler neck of a particular rotating packing machine.
  • Packaging machines filled Modern packaging machines allow high filling rates, in which, for example, one bag or more is filled per second.
  • valve bags are plugged or shot open by a AufSteckautomaten on the filler neck of the packing machine during the rotational movement.
  • the bags To achieve a high stocking rate, the bags must be picked up in a defined manner and defined
  • valve sacks made of paper When filling such bulk materials in valve sacks made of paper can be reliably worked with a high Aufsteckrate, as valve sacks made of paper have a certain inherent rigidity.
  • valve bags are made of more flexible materials
  • tissue used, for example, from a tissue or a
  • the known device uses in certain valve bags a tab-like area that arises during sewing and protrudes from the bag surface to blow below a targeted puff of air, with which defines the valve bag at an upper stop
  • the known device works reliably and
  • This task is performed by a plug-in device with the
  • An attaching device is used for attaching valve bags and in particular for attaching woven and / or sewn (flexible) valve bags to a
  • the attaching device comprises one between a receiving position and a
  • the AufSteckvortechnische further comprises a
  • Blower with at least one air nozzle to the
  • the gripper is in the alignment position from a first side and the air nozzle is aligned in the alignment position from an opposite second side to the receiving space to
  • Plug-in device consists in that the blowing device with the air nozzle or the air nozzles of one of the grippers
  • an air cushion is formed on the opposite side of the gripper, through which any friction between the valve bag and any walls
  • valve bag is picked up by the gripper from a stack of sacks (eg horizontally on a table) and into a raised position
  • valve sack If air is directed in the direction of the valve sack only from the side opposite the gripper, the valve sack can slide on an air cushion and be aligned. In this case, the valve bag by the often very rough
  • a receiving space for a bag portion of the valve bag is formed, wherein the gripper on a first
  • the gripper can in particular in the valve area the
  • a contact device is provided with an upper stop.
  • the upper stop limits the receiving space upwards.
  • a valve bag is defined aligned.
  • the upper stop is V-shaped.
  • an acute-angled region is formed on the V-shaped stop.
  • the investment device comprises an angle plate.
  • the upper stop may be formed.
  • the upper stop can be formed by the angle plate.
  • the angle plate is designed in particular V-shaped and is open to the receiving space, so that a defined orientation of a valve bag and in particular of the valve area is made possible at the top stop.
  • the gripper holder is coupled to the blowing device. It is particularly preferred that the
  • Gripper holder is movable relative to the blowing device.
  • the gripper holder and the blowing device are pivotally coupled together.
  • an opposite pivoting is possible, which leads depending on the pivoting direction to an enlargement or reduction of the receiving space.
  • air openings are formed on the contact device and in particular on the angle plate. Particularly preferably, some air openings are formed in the corner or in the vicinity of the corner or in the acute-angled area of the upper stop. The air openings allow air to escape from the receiving space through the air openings into the environment. This will be a derivative of the
  • Valve bag is facilitated.
  • the gripper holder is attached to a
  • Gripper holder coupling swivel added. It is the Gripper holder coupling movable to transfer the gripper holder from the receiving position to the alignment position. The majority of the way of the gripper holder of the
  • Gripper holder are performed to reach the alignment position.
  • a drive device may be provided which is provided for pivoting the gripper holder and / or the blowing device.
  • the drive device is by a
  • the drive device with the
  • Gripper holder coupling and coupled to a pivot arm of the gripper holder This is by, for example, the extension of the
  • Gripper holder coupling reached. As a result, preferably changes the angular orientation of the gripper holder for
  • the abutment means and in particular the angle plate is pivotally coupled to the gripper holder and preferably synchronized driven by means of the same drive.
  • the gripper holder is pivotally received on the gripper holder coupling or pivotally coupled thereto.
  • the gripper holder coupling between a lower receiving position and an upper transfer position
  • Gripper holder is achieved in particular by the drive device, which aligns the gripper and the air nozzle or the air nozzles corresponding to the valve bag to be positioned.
  • Transport device for transporting an (aligned) Valve bag which comprises at least one belt strip and / or at least one roller bar.
  • the transport device is used to the (in
  • valve bag to accelerate towards the filler neck and finally Victoria Standardschdusen.
  • the opening of the bag valve can take place.
  • the air nozzle at least partially toward the V-shaped opening of the upper stop
  • the blowing device comprises a tube with a plurality of air nozzles and is attached directly or indirectly to the angle plate.
  • a plurality of passage openings are particularly preferably formed between the tube and the angle plate.
  • the attachment of the blowing device to the angle plate can be done over several (narrow) webs.
  • the additional nozzle acts on the first side surface of the valve bag.
  • a seam and / or a tab and / or a bag projection is provided on the first side surface of the valve bag.
  • the auxiliary nozzle blows under the tab on the first side surface of the valve bag.
  • the bag section (both sides) wrapped with a directed air flow.
  • the bag section on which the air nozzle and the additional nozzle act for defined alignment, is oriented obliquely to the vertical.
  • the gripper is in the transfer position and / or in the alignment position at an angle between about 30 ° and 80 ° and in particular between about 30 ° and 70 ° and
  • the auxiliary nozzle preferably blows on the above
  • the inventive method is used for attaching
  • Valve bags and in particular for attaching woven and / or sewn valve bags for example
  • Ribbon fabric on a filler neck of a particular rotating packing machine, wherein in a receiving position, a valve bag with a gripper gripped and in a
  • Air nozzle (defined) is aligned.
  • the gripper grips the valve bag on a first side wall and the air nozzle acts on the opposite second side wall to align the valve bag in at least partially vertical direction.
  • the method according to the invention also has many advantages. The method makes it possible, valve bags with a bag valve and two opposite side surfaces or
  • the gripper engages the upper side wall of a bag stack lying on a stack of sacks to this
  • the air nozzle is aligned at least partially upwards to align and blows from below against the second side wall of the valve bag.
  • the gripper is released and the valve bag is guided freely in the air flow. This will be a transport of
  • Valve bag guaranteed to the top stop.
  • the force required for transport is applied to the rough side wall of the valve sack by the blast of air.
  • the air nozzle blows from below against the bag wall located obliquely in the space and forms an air cushion between the wall of the valve bag and the angle plate, whereby the
  • Friction is reduced and a reliable transport to the top stop is ensured.
  • the air nozzle is operated with a flow of air at a higher level until a sensor detects the valve bag at an upper stop. Then the airflow can be reduced to a lower level or switched off. By reducing to a lower level becomes one
  • At least one additional nozzle and in particular a plurality of additional nozzles direct an air flow to the upper side wall when the valve bag
  • the auxiliary nozzle sends
  • an air flow when the air nozzle and the gripper holder have been pivoted at least a little bit towards each other.
  • the air nozzle and the gripper holder become pivoted towards each other after a sack was grabbed and lifted.
  • the air flow of the auxiliary nozzle can be reduced or optionally switched off when a sensor detects the valve bag at the top stop.
  • targeted blowing with the aid of the additional nozzle can assist the release of the valve sack from the grippers.
  • a gripper or all grippers as a sucker.
  • the suckers are designed as suction cups.
  • the blowing device with the air nozzle or the air nozzles is first activated to align the valve bag.
  • a folded end of a valve sack can be brought back into the correct and correct position.
  • the sucker then lets go of the valve bag, for example, by switching off the vacuum on the sucker.
  • the bag material can then be activated in addition to the air nozzle still the additional nozzle, so that a particularly reliable transfer of the valve bag ensures the top stop and the release of the bag is supported by the suckers if necessary.
  • the lower side wall of the valve bag slides on the
  • Air cushion of the air nozzle obliquely upwards until the valve bag rests against the upper stop. Then the air supply to the air nozzle can be switched off and reduced at the additional nozzle. This can save energy.
  • Figure 1 is a schematic plan view of a packing plant with a packing machine and a device for attaching valve bags;
  • Figure 2 is a highly schematic overall view of
  • FIG. 4 shows an enlarged cross-section according to FIG. 3 in another pivoting position
  • Figure 5 is a schematic side view of the upper
  • Figure 6 is a highly schematic representation of
  • a plug-in device in a first position
  • Figure 7 is a highly schematic representation of
  • Figure 8 is a highly schematic representation of
  • Plug-in device according to FIG. 6 in a third position.
  • FIG. 1 shows a highly schematic plan view of a packing installation, which comprises a rotating packing machine 101, an attaching device 1 and a discharge belt 120.
  • the packing machine 100 for filling valve bags 10 has shown here Embodiment six distributed over the circumference arranged filler neck 101, of which five filler neck 101 each valve bags 10 are arranged.
  • the packing machine 100 is in the open position.
  • the angle sensor 102 has previously detected the thoroughlyrotieren the next filler neck 101 in the predetermined angular position 103, and thus triggered the next AufSteckvorgang.
  • angle sensor 102 angle sensor 102 assigned to the plug-in device 1
  • the AufSteckvortechnische 1 here has a blank bag magazine or empty bag cell belt 110, which for automatic
  • Transport of bag bundles or bag stack 19 is suitable.
  • a sack bundle 19 becomes straight onto the storage surface formed as a receiving table 30
  • the receiving table 30 has a
  • the sack weight of the individual sacks may vary and is in particular between about 5 kg and 50 kg and preferably between 20 kg and 50 kg and may also be larger or larger depending on the application be smaller.
  • the end of the valve sack can initially rest horizontally on the receiving table 30.
  • the obliquely standing in the space aligned sack portion of the valve bag is in the transport in the direction of the
  • the bag valve is opened by means not shown.
  • the blind valve can be opened by negative pressure or by an air flow and the Venturi principle, as it is also described in EP 2 455 288 Bl.
  • FIG. 3 is a schematic cross-sectional view of FIG.
  • the attaching device comprises a driven belt strip 31 and a roller bar 32, which are shown here in the closed position, in which a valve bag 10 located between them
  • the angle plate 17 with the upper stop 16 has an approximately V-shaped configuration and is oriented obliquely in space, so that a contact surface for a side wall of a
  • Valve sacks an angle between about 30 ° and 80 ° and
  • FIG. 3 shows the
  • Valve bag shot onto a filler neck of a packing machine 100 Valve bag shot onto a filler neck of a packing machine 100.
  • the belt strip 31 and the roller bar 32 open by the roller bar 32 is pivoted open.
  • the gripper 5 is pivoted with increasing speed down.
  • FIG. 5 shows a schematic side view of FIG
  • the air flow is deflected in the direction of the upper stop 16 in the acute corner of the angle plate 17, so that at least part of the air flow of the air nozzles 7 exits through the air openings 18 at the upper stop 16 of the contact device 15. This ensures that a valve bag can be reliably aligned and thereby blown between the angle plate 17 and the valve bag 10 air
  • Air nozzles 7 can escape upwardly through the air openings 18.
  • through-holes 35 are provided, between which narrow webs 36 (narrower than high) are present. Through the through-openings 35 prevents the side wall 12 of the valve bag 10 on the wall of the investment device by the air flow 7a of the air nozzle 7
  • FIG. 6 shows the gripper holder 4 in the receiving position 2, in which the gripper 5 grips the uppermost valve bag 10 of a bag stack 19 at the upper end, on which the bag valve is also provided. This leaves a distance of 1 or 2 cm (or even 3 or 4 cm) between the gripper and the outermost end of the valve bag. By this distance, a collision with the not shown here stop edge for the bag stack 19 is prevented.
  • the gripper holder 4 is designed here as a tube to supply the here designed as a vacuum gripper 5 with vacuum.
  • the vacuum port 40 is through the hinge point 29 at the
  • valve bag 10 is fixed at the bag end 14 to the
  • the gripper 5 is attached to the gripper holder 4.
  • Gripper holder 4 is pivotally received on the gripper holder coupling 8.
  • the gripper holder 4 has a pivot arm 25 on which one end of the drive device 23 designed as a cylinder drive engages. The other end of the
  • Cylinder drive 24 leads to a pivoting of the
  • Recording room 20 can blow.
  • the auxiliary nozzle 27 but does not blow on the same surface of the valve bag 10 as the air nozzle 7, but on the opposite side. Additional nozzle 27 blows on the same side on which the gripper holder 4 with the grippers 5 takes the valve bag.
  • the gripper holder 4 is pivotally connected to a holding plate 37, which in turn is fixedly connected to the angle plate 17. On the retaining plate 37 engages the
  • Gripper holder coupling 8 is connected. This means that the retaining plate 37 hinged to the coupling rod 9 and the
  • Gripper holder 4 is connected.
  • the gripper holder 4 is
  • FIG. 7 shows an intermediate position in which the gripper 5 and the angle plate 17 have already been pivoted towards one another a little way.
  • the gripper 5 has become clear from the bag stack 19 because the gripper holder coupling 8 has been raised by the pivot lever 8a and the counter link 8b, which together form a parallelogram guide.
  • the gripper 5 has the recorded valve bag 10 with the
  • the air flow 7a is here aligned obliquely upward through the bottom or the lower side wall 12 of the valve bag 10.
  • Valve sacks at the top stop 16 provides. Highly schematically here is a sensor 28 is shown, for example, optically detects the front end of the valve bag 10 at the top stop 16. Following this, the air flow 7 and / or the air flow 27 can be reduced in order to avoid drapery on the valve bag and also the
  • valve bag 10 When the valve bag 10 is aligned and the roller bar 32 is closed against the belt strip 31, the valve bag is fixed and the air supply can be switched off.
  • the invention provides an attaching device with which inferior or wrinkled or bent valve sacks can be attached, and for the first time provides automatic processing.
  • the blowing device as a whole or each individual air nozzle of the blowing device can be adjusted in terms of alignment and / or blowing strength in order to be able to set optimum conditions.

Abstract

L'invention concerne un dispositif d'enfilement (1) destiné à enfiler des sacs à soupape tissés et/ou cousus (10) sur une tubulure de remplissage (101) d'une machine d'emballage (100), comportant un support de dispositif de préhension (4) déplaçable entre une position de réception (2) et une position d'orientation (3), comportant un dispositif de préhension (5) permettant de saisir un sac à soupape (10) dans la position de réception (2), et un appareil de soufflage (6) comportant une buse à air (7) permettant d'orienter le sac à soupape (10) dans la position d'orientation (3) de façon définie. Un espace de réception (20) pour une partie de sac (2) du sac à soupape (10) est disposé dans la position d'orientation (3) entre le support de dispositif de préhension (4) et l'appareil de soufflage (6). Le dispositif de préhension (5) est orienté vers l'espace de réception (20) depuis un premier côté (21), et la buse à air (7) est orientée vers l'espace de réception (20) depuis un second côté opposé (22), afin d'agir sur des parois latérales opposées (11, 2) d'un sac à soupape (10) logé dans l'espace de réception (20).
EP17832229.3A 2016-12-22 2017-12-21 Dispositif et procédé d'enfilement destinés à enfiler des sacs à soupape Active EP3558828B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016125485.1A DE102016125485A1 (de) 2016-12-22 2016-12-22 Aufsteckvorrichtung und Verfahren zum Aufstecken von Ventilsäcken
PCT/EP2017/084263 WO2018115379A1 (fr) 2016-12-22 2017-12-21 Dispositif et procédé d'enfilement destinés à enfiler des sacs à soupape

Publications (2)

Publication Number Publication Date
EP3558828A1 true EP3558828A1 (fr) 2019-10-30
EP3558828B1 EP3558828B1 (fr) 2021-11-17

Family

ID=61005778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17832229.3A Active EP3558828B1 (fr) 2016-12-22 2017-12-21 Dispositif et procédé d'enfilement destinés à enfiler des sacs à soupape

Country Status (6)

Country Link
EP (1) EP3558828B1 (fr)
CN (1) CN110088002B (fr)
DE (1) DE102016125485A1 (fr)
EA (1) EA038507B1 (fr)
ES (1) ES2904924T3 (fr)
WO (1) WO2018115379A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109250167B (zh) * 2018-11-05 2023-09-08 常熟三禾精工科技有限公司 阀口袋真空灌装装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT328963B (de) * 1973-12-04 1976-04-26 Voest Ag Verfahren zum abnehmen eines einseitig offenen sackes von einem stapel solcher sacke und aufstecken des abgenommenen sackes auf einen absackstutzen sowie vorrichtung zur durchfuhrung des verfahrens
DE8716582U1 (fr) * 1987-12-16 1988-02-18 Mehrdorf, Joachim, Prof. Dr.-Ing., 3340 Wolfenbuettel, De
DE102010051693A1 (de) * 2010-11-20 2012-05-24 Haver & Boecker Ohg Vorrichtung und Verfahren zum definierten Aufnehmen von Säcken
DE102010051721A1 (de) 2010-11-20 2012-05-24 Haver & Boecker Ohg Vorrichtung und Verfahren zum Aufstecken von Säcken
DE102015005660A1 (de) * 2015-04-27 2016-10-27 Beumer Gmbh & Co. Kg Vorrichtung und Verfahren zum Ausrichten und Greifen eines Sacks
CN204895982U (zh) * 2015-08-27 2015-12-23 温州欧南机械有限公司 全自动真空包装机的给袋装置
CN105711899B (zh) * 2016-03-28 2016-11-16 华中科技大学 一种可防止取多张非覆膜编织袋的取袋设备

Also Published As

Publication number Publication date
EA038507B1 (ru) 2021-09-08
EP3558828B1 (fr) 2021-11-17
ES2904924T3 (es) 2022-04-06
WO2018115379A1 (fr) 2018-06-28
CN110088002A (zh) 2019-08-02
DE102016125485A1 (de) 2018-06-28
EA201991244A1 (ru) 2019-11-29
CN110088002B (zh) 2022-06-10

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