EP3088310B1 - Dispositif et procede d'alignement et de saisie d'un sac - Google Patents

Dispositif et procede d'alignement et de saisie d'un sac Download PDF

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Publication number
EP3088310B1
EP3088310B1 EP16000900.7A EP16000900A EP3088310B1 EP 3088310 B1 EP3088310 B1 EP 3088310B1 EP 16000900 A EP16000900 A EP 16000900A EP 3088310 B1 EP3088310 B1 EP 3088310B1
Authority
EP
European Patent Office
Prior art keywords
sack
gripper
side edge
stop
gripping
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.)
Active
Application number
EP16000900.7A
Other languages
German (de)
English (en)
Other versions
EP3088310A1 (fr
Inventor
Andreas Haurenherm
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.)
Beumer Group GmbH and Co KG
Original Assignee
Beumer GmbH and Co KG
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Publication date
Application filed by Beumer GmbH and Co KG filed Critical Beumer GmbH and Co KG
Publication of EP3088310A1 publication Critical patent/EP3088310A1/fr
Application granted granted Critical
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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
    • 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
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/17—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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • 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
    • 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

Definitions

  • the invention relates to a device and a method for aligning and gripping a bag, in particular valve bag, for example, in connection with the supply of valve bags to a slip-on, are shot with the valve bags on filler neck of a filling machine.
  • a bag in particular valve bag, for example, in connection with the supply of valve bags to a slip-on, are shot with the valve bags on filler neck of a filling machine.
  • DE 3043178C2 there is known an apparatus and method where orientation of the bag is disclosed.
  • a device for attaching empty valve bags on the filling columns of a filling machine is known, however, which presupposes the supply of the valve bags in a shingled arrangement.
  • the DE 10 2011 113 879 A1 discloses a separation of stacked delivered valve bags by means of a suction pad.
  • a device for transporting sacks from a magazine to an opening station is known in which alignment elements are provided in order to align an isolated bag exactly, so that grippers can take over a single bag in the same position.
  • a device for separating stacked valve bags in which a squeegee is provided for detecting a valve bag, which brings the valve bag in a rotated by 90 ° position, in which it is passed to extendable terminal strips.
  • the object of the invention is to eliminate this source of error.
  • a device for aligning and gripping a bag comprising a positioning stop for positioning a side edge of the bag, a movable gripper for gripping the side edge adjacent the positioning stop of the bag located in a ready position, the gripper a gripper stop and for gripping the bag from a home position in which the gripper stopper is located behind the positioning stop as viewed from the stowed position, is movable to a gripping position in which the gripper stopper is a predetermined excess in front of the positioning stop when viewed from the stowed position.
  • a control which is adapted to control the movement of the gripper in the gripping position, wherein the excess is predetermined by the controller.
  • a position sensor for detecting a distance between the side edge of the bag and the positioning stop may be connected to the controller, wherein the controller may be adapted to adjust the excess of the detected distance, so that the side edge of the bag at least partially in abutment against the Gripper stopper is located when the gripper is in gripping position.
  • the device or the positioning stop is associated with a sack feeding device, with which a sack can be fed to the provision position on a support surface, in which the side edge adjacent to the positioning stop at no point by more than a predetermined tolerance of the positioning stop is removed, wherein the excess may be between 1% and 200% of the tolerance.
  • a sack feeding device with which a sack can be fed to the provision position on a support surface, in which the side edge adjacent to the positioning stop at no point by more than a predetermined tolerance of the positioning stop is removed, wherein the excess may be between 1% and 200% of the tolerance.
  • values of excess of 50% to 150% of the tolerance measure are expedient.
  • the gripper can be held on a movable gripping arm, which can be pivotable about a pivot axis arranged parallel to the positioning stop, and can be designed as a clamping gripper with two mutually movable clamping gripping elements.
  • the clamping gripping elements can be provided with insertion areas to facilitate the reception of the side edge of the bag between the clamping gripping elements, or the clamping gripping elements can be provided with additional insertion elements.
  • the gripper can be designed as a suction or needle gripper.
  • a lifting device with a suction or needle gripper for lifting at least the side edge of the bag or a top bag of a bag stack is provided to bring the aligned with the positioning stop side edge in the gripping area of the gripper.
  • the positioning stop may be stationary with respect to a support surface of the bag, or it may be formed retractable and extendable, for example in the form of a piston rod.
  • the positioning stop comprises a light barrier device with one or more light barriers, with which a determination of the position of the side edge of the bag to be taken is possible.
  • a control can determine a suitable oversize for the movement of the gripper. It can be used, for example, 3, 4, 5 or more light barriers, like a light curtain, several adjacent light barriers to improve the accuracy of the position determination of the side edge of the bag.
  • the positioning device serves to push the valve bags targeted to the gripping stop and so to align it.
  • the positioning device has a positioning element which is parallel to the gripping stop and is movable transversely to the longitudinal direction or to the gripping stop and away therefrom.
  • the positioning element may extend parallel to the support surface over its entire length extending in the longitudinal direction, or only over a portion of this length. In the case of partial extension, it is expedient for the positioning element to be located adjacent to the positioning stop in order to be able to grasp smaller bags securely and to be able to slide them onto the gripping stop stop.
  • means for generating an air cushion Adjacent to the positioning stop, means for generating an air cushion may be disposed under the bag.
  • the means for generating an air cushion can as a means for generating a parallel to the extension of the bag and directed in, counter or obliquely directed to a feed direction of the bag air blast.
  • the gripper is arranged for transferring a gripped bag to a slip-on device of a filling machine, in particular when the bag is a valve bag for filling with a flowable material, and the device can be associated with such a plug-on device.
  • the object underlying the invention is achieved by a method for aligning and gripping a bag, in which the bag is brought into a ready position, in which a side edge of the bag, adjacent to a positioning stop and a gripper, the one Gripper stopper is moved at the level of the side edge for gripping the bag in a gripping position in which the aligned to the side edge of the bag gripper stop is an excess in the direction of the bag from the positioning stop, and abuts the side edge of the bag against the gripper stop ,
  • the bag is fed so that in the ready position, the side edge at any point by more than a set tolerance distance from the positioning stop is removed, the excess may be 1% to 200% or 50% to 150% of the tolerance.
  • the distance of the side edge of the bag is detected by the positioning stop, for example by a position sensor and the excess specified or adjusted depending on the distance, so that the side edge is at least partially in abutment against the gripper stop.
  • the gripper stop is moved not only up to the level of the positioning stop, but by a certain excess beyond, it is ensured that the gripper, the side edge of the bag, which does not have to be aligned exactly with the positioning stop, even then reliable captured when the side edge not completely against the positioning stop, but is aligned within a tolerance range with the positioning stop.
  • valve bag is pushed on the support surface transversely to the longitudinal direction in the direction of the gripping stop to align the valve bag on the gripping stop, which can be done with a positioning device having a transversely movable to the longitudinal positioning.
  • the bag or at least its side edge is raised above the positioning stop. This is particularly useful when the bag is not isolated on a support surface, but on another bag or a stack of sacks.
  • the air blast may be directed in or against a feed direction of the bag, or obliquely in or against the feed direction.
  • the sack or a topmost sack of a sack stack is pivoted by the gripper 90 ° vertically upwards, transferred to a slip-on device and then filled by a filling machine.
  • Fig. 1 serves to explain a possible field of application of the invention and shows in a schematic plan view of a filling system 2 for filling valve bags 12 with a flowable filling material such as a powdery material.
  • the filling system 2 comprises a rotating packing machine 4 with a number of filler neck 6 and a slip-on device 8 for attaching or shooting up the valve sacks to be filled.
  • the packing machine 4 rotates with the filler neck 6 about a perpendicular to the plane of the Fig. 1 arranged rotational axis 10, while the plugged valve bags 12 are filled.
  • the filled valve sacks 12 are deposited and transported to a discharge device, not shown.
  • the slip-on device 8 is arranged in a predetermined angular position or plug-on position of the packaging machine 4 with respect to the axis of rotation 10.
  • valve bag 12 When a filler neck 6 of the packaging machine 4 is in a plug-on position and thus aligned with a longitudinal direction 14 of the slip-on device 8, an empty valve bag 12 is attached to the filler neck 6 with the slip-on device 8.
  • the valve bag goes through an acceleration phase in the slip-on device and a short flight phase after leaving the slip-on device until it hits the filler neck.
  • a part of the slip-on device 8 namely a plug-on head with a slip-on device and a gripper device and with a positioning stop for supplied valve sacks, seen in the longitudinal direction 14 can be brought into different positions.
  • Fig. 1 schematically shows a first position A at a certain distance from a filler neck 6 in solid lines and a second position B at a smaller distance from a filler neck 6 in dashed lines.
  • the second position B with which a shorter flight phase is connected than in position A, is particularly suitable for attaching valve bags, which have a relatively smaller width seen in the longitudinal direction 14 compared to other valve bags larger width, preferably in position A of the plug-on head be supplied.
  • Fig. 1 schematically shown
  • Aufsteckkopf 16 is on a stationary machine frame 18, whose position relative to the packing machine 4 is fixed, held displaceable in the longitudinal direction 14, for example by means of a linear guide.
  • a storage or support surface 20 for receiving a valve bag in a supply position is further arranged on which a valve bag either individually or in the form of a stack of valve bags can be stored by a feed device, not shown.
  • the plug-on head 16 comprises a slip-on device 22, a movable gripper device 24 and a longitudinal stop 26. Furthermore, a positioning stop 28 is arranged on the machine frame 18 adjacent to the support surface 20.
  • a supplied valve bag 12 lying on the support surface 20 in a ready position is in abutment against the longitudinal stop 26 with a leading edge 12a such that the position of the valve bag is fixed with respect to the longitudinal direction 14 and with a side edge 12b substantially in abutment against the positioning stop 28, so that apart from certain tolerances, a defined position of the valve bag is given so that it can be grasped by the gripper device 24.
  • Adjacent to the storage surface 20 is connected to the plug-on head and optionally movable with this positioning device having a positioning element 29 which is movable to align a valve bag to the positioning stop 28 transverse to the longitudinal direction 14 in a direction of movement 29a.
  • the positioning device serves to push the valve bags targeted to the positioning stop 28 and to align it.
  • the gripper device 24 comprises a movable gripping arm 30, which in the illustrated embodiment is arranged about a pivot axis 32 arranged parallel to the longitudinal direction 14 is pivotable. At an opposite end of the pivot axis 32, the gripping arm 30 a gripper 34 with mutually movable clamping gripping elements 34a, 34b, with which the side edge 12b or an edge region adjacent to the side edge 12b of a valve bag 12 can be gripped.
  • the clamping gripping elements 34a, 34b may be strip-shaped and extend substantially over the length of the side edge 12b, or a plurality of spaced-apart grippers and pairs of clamping gripping elements may be provided.
  • Fig. 11 schematically shows a possible embodiment of a clamping gripper with a gripping arm 30 and two pivotable about pivot axes 34c, 34d, pliers-like clamping gripping elements 34a, 34b, which can be pivoted simultaneously for gripping a bag to each other.
  • the gripper 34 may be provided with insertion elements 35a, 35b which are not movable and whose funnel-like shape facilitates the movement and guidance of a side edge of a bag between the clamping gripping elements 34a, b.
  • the slip-on device 22 has a first pressure element 40 with a first endless circulating transport belt 42, which is guided about drive or deflection rollers 44, 46 which are rotatably mounted about axes of rotation 44a, 46a.
  • the slip-on device 22 further has a second pressure element 50 with a second endless circulating transport belt 52, which is guided around deflection rollers 54, 56 which are rotatably mounted about axes of rotation 54a, 56a.
  • the slip-on device 22 finally has a third, movable pressing element 60, which is held pivotably about a pivot axis 61 arranged parallel to the longitudinal direction 14, as in FIG Fig. 3 indicated by dash-dotted lines.
  • the third pressing element 60 has a third endless transport belt 62, which is guided around deflection rollers 64, 66 with axes of rotation 64a, 66a.
  • the third pressure element 60 can be moved away from the first pressure element 40 in a manner known per se by pivoting about the pivot axis 62. Subsequently, a gripped by the gripper valve bag can be brought by pivoting the gripping arm 30 about the pivot axis 32 from a horizontal to a vertical orientation and in abutment against the first pressing member 40, whereupon the third pressing member 60 by pivoting back about the pivot axis 62 against the first pressing member 40 is applied and the valve bag is held between two pressing elements.
  • Fig. 4 1 shows an initial state in which a sack or valve sack 12 is either singulated or as the uppermost sack of a stack, on the one hand with a front edge 12a against the longitudinal abutment 26 (FIG. Fig. 2 ) abuts and on the other hand, with a perpendicular side edge 12b abuts substantially against the positioning stop 28.
  • the side edge 12b is not directly adjacent to the positioning stop 28 in this position of provision of the bag, but is located at a distance s, which may be within a tolerance range and not greater than a predetermined tolerance measure t, from the positioning stop 28.
  • the valve bag 12 may in this case rest directly on the support surface 20 or on another valve bag.
  • a lifting device 70 is first actuated, which has a suction or needle gripper 72 and serves to lift the valve bag 12 and optionally to separate from a valve bag or bag stack located therebelow.
  • the valve bag 12 is raised so far that a side edge to be gripped 12b is located above the positioning stop 28 and can be gripped by the gripper 34.
  • the gripper arm 30 is about the pivot axis 32 by about 90 ° from its initial position to Fig. 3 pivoted until the clamping gripping elements 34a, 34b are above and below the side edge 12b ( Fig. 5 ).
  • the gripper 34 has a gripper stopper 36 which is located between the clamping gripping elements 34a, b and forms a contact or abutment surface for the side edge 12b of a bag 12 to be gripped.
  • a gripper stopper 36 which is located between the clamping gripping elements 34a, b and forms a contact or abutment surface for the side edge 12b of a bag 12 to be gripped.
  • Optimal gripping is possible if the side edge 12b of a bag 12 rests on the gripper stopper 36 at least at one point and preferably over its entire length.
  • the gripper 34 is in the position above the positioning stop 28, although in a ready for gripping a bag position, but only if the side edge 12 b of the bag is completely against the positioning stop 28.
  • the gripper 34 starts from the position Fig. 5 , in which the gripper stopper 36 is located above the positioning stop 28, moves further in the direction of the provision position or the bag 12, which in Fig. 7 is shown.
  • the gripper 34 is moved by an oversize a beyond the positioning stop 28, which is fixed in advance in relation to the tolerance dimension t and may for example be in a range of 0.5 t to 1.5 t.
  • Fig. 6 to 8 show a case in which the side edge 12 b of the bag is not parallel to the positioning stop 28, but obliquely thereto, that is, in different distances along the side edge.
  • Fig. 6 to 8 also show the possibility of providing two grippers 34 ', 34 "instead of one gripper 34, which are arranged at a mutual distance Fig. 8 shows, the side edge 12d of the bag can be optimally engaged even in such a case after the gripper 34 or according to Fig. 7 by the excess a have been moved to the gripping position, in which the gripper stopper 36 seen from the provision position of the bag by the excess a in front of the positioning stop 28.
  • valve bag 12 depends substantially vertically from the gripper arm 30.
  • the valve bag 12 is in close proximity to or in contact with the first pressure element 40, while the third pressure element 60 in his in Fig. 3 indicated by dashed lines open position is pivoted.
  • the third pressing member 60 is about the pivot axis 62 to its original position Fig. 3 swung back ( Fig. 10 ), so that the valve bag 12 between the third pressing member 60 and the first pressing member 40 is held clamped, ie between the first transport belt 42 and the third transport belt 64.
  • the Aufsteck worn 22 can by driving one of the pressing elements, preferably by driving the first pressing element 40, the valve bag 12 accelerated in the longitudinal direction 14 and are plugged or shot onto the longitudinal direction 14 oriented filler 6.
  • the second pressing member 50 may be actively driven or set in motion by contact with the first pressing member 40 when the valve bag is accelerated in the longitudinal direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Basic Packing Technique (AREA)

Claims (16)

  1. Dispositif d'alignement et de saisie d'un sac (12), comportant une butée de positionnement (28) servant à positionner un bord latéral (12b) du sac (12), un organe de saisie mobile (34) servant à saisir le bord latéral (12b), de manière adjacente par rapport à la butée de positionnement (28), du sac se trouvant dans une position de ramassage, dans lequel l'organe de saisie (34) a une butée pour organe de saisie (36) et, pour saisir le sac (12), peut être déplacé depuis une position de départ, dans laquelle la butée pour organe de saisie (36), tel que l'on peut voir depuis la position de ramassage, se trouve derrière la butée de positionnement (28), dans une position de saisie, dans lequel la butée pour organe de saisie (36), tel que l'on peut voir depuis la position de ramassage, est située selon une surdimension prédéterminée (a) devant la butée de positionnement.
  2. Dispositif selon la revendication 1, caractérisé par un dispositif d'alimentation en sacs, au moyen duquel un sac peut être transporté jusque dans la position de ramassage sur une surface de dépôt (20), où le bord latéral (12b), de manière adjacente par rapport à la butée de positionnement (28), ne dépasse nulle part de plus d'une quantité de tolérance fixe (t) par rapport à la butée de positionnement (28), dans lequel la surdimension (a) peut être comprise entre 1 % et 200 % de la quantité de tolérance (t).
  3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que l'organe de saisie (34) est retenu sur un bras de saisie mobile (30) et peut être réalisé sous la forme d'organes de saisie de serrage avec deux éléments de saisie de serrage (34a, 34b), mobiles l'un vers l'autre.
  4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé par un moyen de levage (70) doté d'un organe de saisie à ventouse ou à aiguille (72) servant à soulever au moins le bord latéral (12b) du sac (12) ou un sac se trouvant le plus en haut d'une pile de sacs.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la butée de positionnement (28) est formée de manière fixe ou de manière à permettre une rétraction ou un déploiement par rapport à une surface de dépôt (20) du sac (12).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que la butée de positionnement comporte une barrière de lumière.
  7. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen servant à générer un coussin d'air sous le sac (12) est agencé de manière adjacente par rapport à la butée de positionnement (28).
  8. Dispositif selon la revendication 7, caractérisé en ce que le moyen servant à générer un coussin d'air est formé sous la forme d'un moyen servant à générer un jet d'air dirigé de manière parallèle par rapport à l'extension du sac et dans la direction d'alimentation du sac, contre celle-ci ou de manière diagonale par rapport à celle-ci.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'organe de saisie (34) est conçu pour transférer le sac saisi (12) sur les moyens d'attache (8) d'une machine de remplissage (2) d'un dispositif de remplissage (2).
  10. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un dispositif de commande est connecté à l'organe de saisie et est conçu pour commander le mouvement de l'organe de saisie jusque dans la position de saisie, dans lequel la surdimension peut être prédéterminée par le dispositif de commande.
  11. Procédé d'alignement et de saisie d'un sac (12), par lequel le sac (12) est mis dans une position de ramassage, où un bord latéral (12b) du sac (12) est situé de manière adjacente par rapport à une butée de positionnement (28), et un organe de saisie (34), qui a une butée pour organe de saisie (36), est déplacé à la hauteur du bord latéral (12b) pour saisir le sac (12) jusque dans une position de saisie, où la butée pour organe de saisie (36), alignée sur le bord latéral (12b) du sac (12), se trouve à distance de la butée de positionnement (28) selon une surdimension (a) vers le sac (12) et le bord latéral (12b) du sac (12) vient prendre appui contre la butée pour organe de saisie (36).
  12. Procédé selon la revendication 11, caractérisé en ce que, dans la position de ramassage, le bord latéral (12b) ne dépasse nulle part de plus d'une quantité de tolérance (t) par rapport à la butée de positionnement (28), dans lequel la surdimension (a) peut être comprise entre 1 % et 200 % de la quantité de tolérance (t).
  13. Procédé selon la revendication 11 ou la revendication 12, caractérisé en ce que le sac (12) ou au moins son bord latéral (12b) est soulevé par dessus la butée de positionnement (28).
  14. Procédé selon la revendication 13, caractérisé en ce que l'étape consistant à soulever le sac se trouvant le plus en haut (12) ou son bord avant (12b) est assistée par un jet d'air dirigé de manière parallèle par rapport à l'alignement du sac (12).
  15. Procédé selon l'une quelconque des revendications 11 à 14, caractérisé en ce que le sac (12) est pivoté de 90° à la verticale vers le haut par l'organe de saisie (34), transféré jusque sur des moyens d'attache (8) et rempli par un dispositif de remplissage (2).
  16. Procédé selon l'une quelconque des revendications 11 à 15, caractérisé en ce qu'une distance entre le bord latéral (12b) du sac (12) et la butée de positionnement (28) est détectée avant une opération de saisie et la surdimension (a) est adaptée en fonction de la distance de telle sorte que le bord latéral (12b), au moins dans certains emplacements ou sur toute sa longueur, se trouve en appui contre la butée pour organe de saisie (36), après que l'organe de saisie (34) a été déplacé jusque dans la position de saisie.
EP16000900.7A 2015-04-27 2016-04-21 Dispositif et procede d'alignement et de saisie d'un sac Active EP3088310B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015005660.3A DE102015005660A1 (de) 2015-04-27 2015-04-27 Vorrichtung und Verfahren zum Ausrichten und Greifen eines Sacks

Publications (2)

Publication Number Publication Date
EP3088310A1 EP3088310A1 (fr) 2016-11-02
EP3088310B1 true EP3088310B1 (fr) 2017-12-13

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DE102016125485A1 (de) * 2016-12-22 2018-06-28 Haver & Boecker Ohg Aufsteckvorrichtung und Verfahren zum Aufstecken von Ventilsäcken
CN112249378A (zh) * 2019-07-06 2021-01-22 Fl史密斯公司 袋射击施加器组件和操作袋射击施加器组件的方法
CN112693646A (zh) * 2019-10-22 2021-04-23 Fl史密斯公司 用于袋射击施加器组件的袋射击系统
CN112706960A (zh) * 2019-10-24 2021-04-27 Fl史密斯公司 用于袋射击施加器组件的袋射击系统
CN111470105B (zh) * 2020-04-21 2024-06-04 张家港汉旗自动化设备有限公司 一种卧式开箱成型机
CN113650866B (zh) * 2021-08-31 2023-03-10 郑州市同鼎机械设备有限公司 一种阀口袋抓取机械手及使用该机械手的包装机

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DE102015005660A1 (de) 2016-10-27
CN106081239B (zh) 2018-06-22
ES2662109T3 (es) 2018-04-05
CN106081239A (zh) 2016-11-09
EP3088310A1 (fr) 2016-11-02

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