EP2707290B9 - Machine de conditionnement rotative et procede pour remplir des sacs ouverts - Google Patents

Machine de conditionnement rotative et procede pour remplir des sacs ouverts Download PDF

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Publication number
EP2707290B9
EP2707290B9 EP12727585.7A EP12727585A EP2707290B9 EP 2707290 B9 EP2707290 B9 EP 2707290B9 EP 12727585 A EP12727585 A EP 12727585A EP 2707290 B9 EP2707290 B9 EP 2707290B9
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EP
European Patent Office
Prior art keywords
filling
open
gripping
unit
packaging machine
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
EP12727585.7A
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German (de)
English (en)
Other versions
EP2707290A2 (fr
EP2707290B1 (fr
Inventor
Willi Vollenkemper
Frank Wältermann
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
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Publication of EP2707290A2 publication Critical patent/EP2707290A2/fr
Application granted granted Critical
Publication of EP2707290B1 publication Critical patent/EP2707290B1/fr
Publication of EP2707290B9 publication Critical patent/EP2707290B9/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging 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
    • B65B1/04Methods of, or means for, filling the material into the containers or receptacles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00Packaging 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
    • B65B1/20Reducing volume of filled material
    • B65B1/22Reducing volume of filled material by vibration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54Means for supporting containers or receptacles during the filling operation
    • B65B43/60Means for supporting containers or receptacles during the filling operation rotatable

Definitions

  • the present invention relates to a rotatable packaging machine and to a method for filling open sacks.
  • the packing machine according to the invention can be provided for filling bulk goods of all kinds.
  • a plant is particularly preferably used for filling fine products, ie for filling fine and dusty products which require a correspondingly long filling and, in particular, compacting time.
  • an apparatus and a method for handling sacks have become known, wherein the apparatus comprises a rotating carousel with filling nozzles provided thereon.
  • the apparatus comprises a rotating carousel with filling nozzles provided thereon.
  • the apparatus To remove the filled sacks, there are two gripping devices rotatable about a column.
  • At each gripping device for gripping the bags two up and zuschwenkbare gripper pairs are provided to take a filled bag for acceptance. The device operates discontinuously and clocked.
  • FFS packaging machines form-fill-seal packaging machines
  • FFS packaging machines form-fill-seal packaging machines
  • the open bag is manufactured inside the machine or in a directly upstream facility.
  • the machine is assigned a film tube roll, from the continuous during operation the required open bags are produced.
  • a significant advantage of such an FFS packing machine is that the open bags can be made in their actual required length. There is no need to resort to prefabricated bags, which are also more expensive.
  • FFS packing machines process open bags of plastic film, which is waterproof. Therefore, open sacks filled with moisture-sensitive materials such as cement can also be used in the Be stored outdoors as the contents are reliably protected from moisture.
  • a disadvantage of known packing machines for filling open bags is the limited capacity, especially when dusty fine products are to be filled, since these products must be compacted in the rule to provide a stable container available in which as little air is contained. Contained air also reduces stackability.
  • Vibrators are regularly used when filling fine products into open sacks to lower the product level as much as possible.
  • the required bag length can be reduced for a certain amount of product, which can significantly reduce the cost of the open bags used, since less tubular film must be used to produce an open bag.
  • considerable cost savings can be achieved if the bag length can be reduced by only one centimeter.
  • the packing machine according to the invention is designed as a continuously rotatable packing machine and serves to fill open bags.
  • the rotatable packaging machine comprises a plurality of co-rotating filling units arranged distributed over the circumference, each having a filler neck with a filling opening, to which the open bags can be attached by means of an upward movement directed relative to the filler neck. It is designed as a transfer device handling unit for taking over the filled open bags provided by the filling units.
  • the transfer device comprises at least one gripping arm with a gripping unit provided thereon.
  • the gripper arm is rotatable on the transfer device arranged and the gripping unit is pivotally mounted on the gripping arm to perform a rotation of the gripping arms superimposed pivotal movement relative to the gripping arm.
  • the rotatable packaging machine according to the invention has many advantages.
  • a significant advantage of the packaging machine according to the invention is that it is possible by the transfer device to operate the packaging machine continuously rotating. A clocked operation is not necessary, since by the rotation of the gripper arm of the transfer device takeover of the filled open bag during the continuous rotational movement of the rotatable packing machine is possible.
  • a pivotable receiving the gripping unit allows a longer transition phase, whereby a higher speed of the packing machine is allowed. As a result, a higher performance can be achieved.
  • the gripping unit is pivotally mounted on the gripping arm for pivotal movement relative to the gripping arm.
  • the gripping unit is pivoted in such a way that a longer transition phase is made possible.
  • the packing machine rotates at a constant speed and in particular the speed is almost constant over at least one complete revolution. It is also possible here, however, that the packaging machine is operated at a variable speed over the circumference. However, a constant speed is preferred, since the throughput is thereby greater. In addition, there is no need for constant braking and acceleration of the rotating part of the packaging machine, which saves energy.
  • the open bag is attached to the filler neck from below. During this movement, the filler neck can remain stationary. The open bag is attached by an upward movement on the filler neck.
  • the filler neck is inserted from above into the open bag. In such a movement, the open bag can remain stationary and the filler neck can be moved. Overall, this results in an upward movement of the open bag relative to the filler neck, even if the filler neck is moved downward in this case.
  • a simultaneous movement of the filler neck and the open bag is possible.
  • a relative movement of the bag takes place to the filler neck, which is at least partially directed upwards relative to the filler neck.
  • a considerable advantage of the rotatable packaging machine according to the invention is also that a plurality of filling units can be provided, each with one or two filling nozzles, which are filled continuously or discontinuously and within the rotation of the packing machine sufficient time to vent the bottled product or to have a lowering of the product level, so that on acceptance or at the latest when closing the open bags bulging open bags are present that are designed visually appealing and consume at the same time only a little foil material.
  • the gripping unit is pivotally mounted on the gripper arm to perform a superimposed pivotal movement relative to the gripping arm.
  • a gripping unit which pivots along a predetermined path in synchronism with the peripheral speed of the filling nozzles makes possible a longer parallelism of the movement.
  • the movement of the rotating filling unit with the filling nozzle provided thereon and the movement of the pivotable gripping arm can be much better coordinated with each other so that the gripping unit of the gripping arm is aligned parallel to the open bag arranged on the filling unit for a considerably longer period. This considerably lengthens the period in which the grippers on the filling unit still hold the open bag in a defined position.
  • the transfer device has at least two gripper arms, on each of which at least one gripping unit is pivotally provided.
  • the transfer device is provided in all configurations for taking over the filled open bag from the filling unit and transferring it to a closing device or a conveyor belt.
  • the gripper arm of the transfer device rotate in opposite directions to the packaging machine.
  • the rotating filler neck and the transfer device are positioned to each other so that the circles touch tangentially or slightly overlap, so that in a well-defined angular position, the assumption of a filled open bag of a filling unit is possible.
  • a takeover of the filled open bags only takes place when the gripping unit of the gripping arm engages the upper bag wall of the filled bag. It is thus possible, for example, for the gripping unit not to grasp the open sack which is present on the filling unit if, for example, the filling has not yet been completely completed.
  • This configuration allows the open bags to rotate for a second round before they are removed from the packing machine and transported away with the transfer device. In general, it is also possible that the bags always two or more rounds remain on the filler before they are removed and transported away from the transfer device.
  • the compacting device may be designed as a vibrating device and comprise a vibrating plate and / or a vibrating bottle and / or a vacuum lance or the like.
  • the gripping unit comprises at least two grippers in order to grasp an open bag. Also possible and preferred is the use of three or four grippers to ensure a defined positioning at any time.
  • at least two grippers are arranged approximately symmetrically to the pivot axis of the gripping unit. Characterized in that the gripping unit is pivotally provided on the gripping arm, the arranged on one side of the pivot axis gripper at a certain time an increased peripheral speed while the gripper disposed on the opposite side of the pivot axis has a reduced peripheral speed. Due to the different peripheral speeds of the grippers of the gripping unit ensures that the acquisition of the filled open bag over a larger angular range and thus a longer period is possible than if the gripping unit would be firmly mounted on the gripper arm.
  • the rotatable packaging machine is designed as a continuously rotatable packaging machine.
  • the transfer device comprises at least one drive for rotating the gripping arm.
  • a circumferential speed or rotational speed of the gripper arm is preferably adapted to a peripheral speed of the filler neck.
  • the peripheral speed of the gripper arm corresponds at least to the time of acquisition of the peripheral speed of the filler neck.
  • the gripper arm is rotated at a continuously variable rotational speed.
  • the peripheral speed of the gripping arm is approximately constant and the circumferential speed of the filling nozzle at least substantially corresponds. This ensures that the open bag retains its constant rate of travel substantially throughout the process.
  • the open bag is removed with the gripping arm, which preferably has the same circumferential speed. Finally, the open bag is transferred to a processing device such as a closing unit or a discharge belt or the like at the same speed, so that an acceleration in the direction of movement is not required. As a result, the forces on the bag are kept relatively low.
  • the drive is used for rotation the gripping arm also for pivoting the gripping unit provided thereon.
  • the number of drives is kept low, which reduces the effort and error rate.
  • a forced synchronization is achieved.
  • a separate drive is provided for rotation of the gripping unit. Then, the drives are operated synchronously for rotation of the gripping arm and for pivoting the gripping unit or synchronized at regular intervals to ensure the required movement.
  • the rotational speed of the drive crank of the gripping unit is a multiple of the rotational speed of the gripping arm.
  • the rotational speed of the drive crank of the gripping unit is twice as large as the rotational speed of the gripping arm.
  • the rotational speed of the drive crank of the gripping unit is an integer multiple of twice the rotational speed of the gripping arm.
  • the gripping unit is aligned, for example, at right angles to the orientation of the gripper arm. This ensures that at two circumferential locations, the gripping unit is aligned tangentially to the orientation of the gripping arm, so that the gripping unit is also aligned tangentially to the existing on the filling unit and provided for takeover open bag.
  • the pivoting speed of the gripping unit can be adjusted accordingly.
  • the gripper arm and the gripping unit provided thereon are designed to initially rotate or pivot in opposite directions during the transfer of the sack.
  • Such a design results in that the gripper of the gripper unit trailing in the direction of rotation of the gripper arm reduces its center distance to the center of rotation of the gripper arm until the gripper unit is aligned transversely to the gripper arm. Subsequently, the corresponding gripping unit is pivoted again in the opposite direction, so that the period of parallelism is increased to the bag to be accepted.
  • the gripping unit thus performs a pendulum motion relative to the gripping arm.
  • the pendulum movement is dimensioned so that the different turning circle diameter of packing machine and gripper arms are compensated. This can be dimensioned correspondingly larger or smaller for differently configured systems.
  • the pivoting movement or pendulum movement of the gripping unit leads to a nearly parallel arrangement of the gripping unit and the upper bag wall.
  • the gripping unit oscillates again in the other direction, ie in the same direction back to the gripper arm to pivot in the opposite direction when passing to the processing device. Even when transferring to the processing device results in a longer angular range in which the open bag extends substantially parallel to the processing device, so that a simple transfer to a linear guide is possible.
  • a holding device is arranged, which is moved synchronously with the grippers of the gripping unit.
  • the holding device ensures that the bag to be accepted is not only taken on its upper bag wall, but also supported in a lower lateral area, so that the accepted open bag is guided both at the top and in a lower area defined.
  • the loads on the upper bag wall and the open bag are significantly reduced overall, when the open bag is passed from the rotational movement of the filler in the rotational movement of the gripper arm with a significantly reduced radius of rotation.
  • the holding device is preferably fixedly connected to the gripping unit.
  • Grippers provided on the holding device are actuated synchronously or at least substantially synchronously with the grippers of the gripping unit.
  • the gripping unit comprises at least one clamping unit with which an upper bag wall of the open bag can be pulled flat and tensioned.
  • the gripping unit comprises at least one clamping unit with which an upper bag wall of the open bag can be pulled flat and tensioned.
  • the upper bag wall should be pulled apart at the two ends, so that adapted to the cross section of the filler neck upper bag wall is there again placed flat to allow a wrinkle-free closing. Wrinkle-free closing is important for open sacks made of a film material, in order to ensure the necessary tightness and load capacity of the sealed open bags.
  • the transfer device is provided to transfer the filled open bags to a processing device.
  • the processing device may comprise a linear guide and / or a closing device. It is possible and preferable for a transfer device to transfer the filled open bags to a closing device.
  • At least one support unit is provided, which supports the open bag during transport with the transfer device from below. This will make the top one Sack wall and the gripping arm relieved.
  • the support unit comprises at least one compression device in order to allow a further lowering of the product level even during the transport of the open bag with the transfer device. It is possible that the support unit comprises a sliding bleach and / or a belt and / or a roller guide or the like. In all embodiments, it is preferred that a bag forming device is provided which produces the required bags from, for example, a tubular film.
  • a handling unit designed as a suspension device is provided, which is provided for attaching the open sacks to be filled.
  • two hitch devices are used on a rotating packaging machine. The hitch is used to attach the open bags to be filled and preferably opens the bags before attaching, so that an opening corresponding to the cross section of the filler neck is provided. For attaching an open bag is attached from below to the filler with the filling opening provided in particular below.
  • Another rotatable packing machine for filling open sacks is equipped with a plurality of co-rotating filling units distributed over the circumference, each having a filler neck with a filling opening.
  • the open sacks are attached by an upward movement relative to the filler neck.
  • At least one handling unit designed as transfer device is provided for transferring the open bags to be filled to the filling units, which comprises at least one gripping arm with a gripping unit provided thereon.
  • the gripping arm is rotatably arranged on the transfer device and the gripping unit is in particular pivotally arranged on the gripping arm to perform a pivoting movement relative to the gripping arm.
  • open bags can be taken over by the filling units after filling with the handling unit. It is also possible to transfer empty bags with a handling unit to the continuously rotating packing machine.
  • the method according to the invention serves to fill open sacks with a rotatable packaging machine which comprises a plurality of filling units arranged distributed over the circumference and continuously co-rotating.
  • the open bags are hung during rotation from below to the filling opening of the filler neck.
  • a transfer device which has a rotating gripping arm with a gripping unit.
  • the gripping unit is in particular arranged pivotably on the gripping arm in order to carry out a pivoting movement relative to the gripping arm. During rotation, the gripper unit takes over the open sacks from the filling unit.
  • the method according to the invention has many advantages, since it allows a high filling rate and a safe handling of the open sacks.
  • the gripping unit is made pivotable relative to the gripping arm to allow a longer transfer phase.
  • a greater distance along the circumference of the packing machine can be used for transfer.
  • the transfer distance is relatively small compared to the overall circumference, so that a large number of filling nozzles can be arranged over the circumference.
  • the angular range available for transfer is, for example, between 15 ° and 45 °.
  • a filled open bag is preferably removed from the filler neck and kept defined before the open bag is taken over by the transfer device.
  • the invention provides a rotating packing machine and a method for filling open sacks which allows a high filling rate with defined filled sacks.
  • the required film requirement is low, so that the bags can be filled exactly defined.
  • a rotatable packaging machine 1 according to the invention will be explained below, which in Fig. 1 is shown in a schematic plan view.
  • the rotatable packaging machine 1 is used to fill open bags 2 (see FIG. Fig. 3 ) and has a plurality of filling units 3, which are each equipped here with a filler neck 4.
  • a filler neck 4 At the packaging machine 1 shown here, between about two and sixteen filling units 3 can be arranged. In principle, it is also possible to grow even more filling units on a rotatable packaging machine 1.
  • the rotatable packaging machine 1 is operated continuously rotating, so that the filling units 3 rotate at a substantially constant speed about a central axis.
  • the material to be filled is fed via an inlet funnel 28 and a silo 32 the individual filler 4 of the filling units 3.
  • the filling nozzle 4 for filling the open bags 2 are vertically aligned here, so that the filling opening 5 points vertically downwards. But it is also possible that the or at least one filling opening is aligned inclined to the vertical. For example, an angle of five degrees, ten degrees or even twenty degrees to the vertical may be provided. Open sacks 2, which are also referred to as open sacks 2, are attached from below to the lower filling opening 5 of the filler neck 4.
  • an open bag 2 is grasped and the upper bag wall 18 is opened so that the upper bag opening 35 is formed.
  • suction cups and / or grippers which introduce a sack opening 35 corresponding to the cross-sectional shape of the filling nozzle 4 into the open sack 2 and hold the open sack 2 with its upper sack wall 18 until the open sack 2 is pushed onto the filler neck 4 and held there defined by grippers, not shown here becomes.
  • the attachment of the open bags 2 is carried out with a hitch 27, which is connected downstream of a bag forming device 26.
  • the individual open sacks 2 are produced from a tubular film during continuous operation. For this purpose, a corresponding length is cut off from the tubular film and the bottom seam is inserted into the open sack 2.
  • prefabricated or prefabricated open sacks 2 can also be used.
  • the film used to make the open bags 2 causes the open bags 2 have a relatively low rigidity - compared to sacks of paper - so that at any time a well-defined management of the open bags 2 should be guaranteed to relatively small bag lengths and to allow small bag overhangs.
  • the open bag 2 is filled with the intended amount, and reaches the angular position of the transfer device 6, the open bag 2 is removed from the filler neck 4, but supported by the compression device 19 from below.
  • the transfer device 6 takes over the open bag 2 with the gripping arms 8 and 9 rotating about a common center 34 and transfers it to the linear guide 21 with a closing device 20 For closing the upper open ends of the open sacks 2. Due to the fact that the open bag 2 is kept defined and guided at any time, a defined closure of the open sacks 2 can be ensured.
  • a protective fence 33 may be provided to prevent entering the danger area.
  • the rotatable packaging machine 1 is preferably suspended on a frame 30, wherein carriers 31 hold the rotatable packaging machine.
  • a silo 32 may be provided for intermediate storage of product.
  • Fig. 3 shows a highly schematic view of the transfer device 6 designed as handling unit 7 in a position in which the transfer device 6 just takes over an open bag 2 with the gripping unit 10 on the gripper arm 8 of the packing machine 1. For better clarity, not all components are shown.
  • the open bag 2 is supported from below by the compression device 19 of the filling unit 3.
  • the gripping unit 10 of the gripper arm 8 with the grippers 12 and 13, the upper bag wall 18 has taken.
  • the holding device 15 surrounds a lower part of the filled open bag 2.
  • the bag opening 35, with which the open bag 2 has hung on the filler neck 4, is still open virtually unchanged.
  • the transfer device 6 enters the in Fig. 4 shown position in which the open bag 2 is supported from below by the sliding plate 25 in the direction of the linear guide 21 is pivoted.
  • the grippers 12 and 13 of the gripping unit 10 hold the upper bag wall 18 defined.
  • the gripper arm 9 passes in the representation according to Fig. 3 the open bag 2 to the linear guide 21.
  • the gripping arm 9 with the gripping unit 11 has released the open bag 2 transferred to the linear guide 21 and pivoted in the direction of the rotating filling units 3 in order to take over the next open bag 2 reaching the removal position.
  • a drive 14 which drives the transfer device 6 about a rotational axis 34 in rotation.
  • the drive 14 drives not only the rotational movement of the gripping arms 8 and 9, but also the pivotal movement of the gripping units 10 and 11 via a fixed transmission ratio.
  • a fixed transmission ratio is chosen so that the gripping units 10 and 11 are pivoted at twice the frequency, such as the rotational frequency of the gripping arms 8 and 9.
  • the holding device 15 ensures during the pivoting of the packing machine 1 to the linear guide 21 for a secure hold of the filled open bags 2 in a lower region. This also leads to a relief of the upper bag wall 18.
  • the holding device 15 may be adjustable in height.
  • FIG. 5 shows the pivoting of the gripping unit 10 via the crank mechanism 36 with the coupling rod 37 and the crank 38 to the fact that the gripping unit 10 over a fairly wide angular range parallel or at least substantially aligned parallel to the longitudinal extent of the upper bag wall 18.
  • the side of the gripper 12 of the gripping unit 10 leads the gripping arm 8 ahead, while in the following the effective speed of the pivoting is reduced, so that in the illustration according to FIG Fig. 8 there is an acute angle between the gripping arm 8 and the gripping unit 10 on the side of the gripper 12.
  • the crank mechanism 36 causes via the crank 38 and the coupling rod 37, a pivoting of the gripping units 10 and 11, which lead to an advantageous overlap in the transfer areas on the packaging machine 1 and the linear guide 21.
  • the grippers 12 and 13 initially grasp the upper bag wall 18 of an open bag 2 before the corresponding grippers on the filling unit 3 release the open bag 2.
  • the open bag 2 with the gripping unit 10 and the holding device 15 is removed from the compacting device 19, which is designed in particular as a vibrating device (cf. Fig. 4 ) and spent with the support unit 22 supportive to the linear guide 21.
  • the support unit 22 may be designed as a roller guide 23, compression device 24 or as a sliding plate 25 or the like.
  • a clamping unit 17 is activated, whereby the distance between the grippers 12 and 13 is increased and thus the upper bag wall 18 is tensioned. This allows a wrinkle-free closing of the upper bag wall 8 of the open bag 2.
  • Fig. 9 the direction of rotation 28 of the packing machine 1 is located.
  • the direction of rotation 39 of the gripping arms 8 and 9 is reversed.
  • an advantageous continuously rotating packaging machine 1 for filling open bags, in which a high filling rate is possible.
  • the effort can be reduced because a total of only a single closing device is necessary, instead of each filler to provide its own possible but z. B. also the use of two closing devices.
  • the filled open bags 2 can be taken over by the transfer device 6 and fed to a closing device.
  • only one closing device for a number of filling nozzles is required at high filling rate.

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

Claims (15)

  1. Machine d'emballage (1) tournant de façon continue destinée à remplir des sacs ouverts (2), comprenant une pluralité d'unités de remplissage (3) co-rotatives réparties sur la périphérie qui présentent chacune une tubulure de remplissage (4) avec une ouverture de remplissage (5) sur laquelle les sacs ouverts (2) peuvent être accrochés par un mouvement ascendant dirigé relativement à la tubulure de remplissage, dans laquelle une unité de manipulation (7) réalisée en tant que dispositif de réception (6) est prévue pour reprendre les sacs ouverts (2) remplis en provenance des unités de remplissage (3), ledit dispositif de réception (6) comprenant au moins un bras de préhension (8, 9) rotatif avec une unité de préhension (10, 11) prévue sur celui-ci, le bras de préhension (8, 9) étant disposé de manière rotative sur le dispositif de réception (6),
    caractérisée par le fait
    que ladite unité de préhension (10, 11) est disposée à pivotement sur le bras de préhension (8, 9) pour effectuer un mouvement de pivotement par rapport au bras de préhension (8, 9), qui est superposé à la rotation des bras de préhension, afin de permettre une phase de transfert plus longue.
  2. Machine d'emballage (1) rotative selon la revendication 1, dans laquelle ladite unité de préhension (10, 11) comprend au moins deux préhenseurs (12, 13) pour saisir un sac ouvert (2).
  3. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, qui est réalisée de manière à tourner de façon continue, et dans laquelle ledit dispositif de réception (6) comprend un mécanisme d'entraînement (14) pour faire tourner le bras de préhension (8, 9), une vitesse circonférentielle du bras de préhension (8, 9) étant adaptée à une vitesse circonférentielle des tubulures de remplissage (4).
  4. Machine d'emballage (1) rotative selon la revendication précédente, dans laquelle le mécanisme d'entraînement (14) sert également au pivotement de ladite unité de préhension (10, 11).
  5. Machine d'emballage (1) rotative selon la revendication 3 ou 4, dans laquelle ladite unité de préhension (10, 11) peut être pivotée par une manivelle (38) sur le dispositif de réception (6) et dans laquelle la vitesse de rotation de la manivelle (38) de l'unité de préhension (10, 11) fait un multiple de la vitesse de rotation du bras de préhension (8, 9).
  6. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle le bras de préhension et l'unité de préhension prévue sur celui-ci sont adaptés pour pivoter en sens inverse durant le transfert de sac.
  7. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle un dispositif de support (15) est disposé au-dessous de l'unité de préhension (10, 11) et est guidé de manière synchrone avec celle-ci.
  8. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle l'unité de préhension (10, 11) comprend une unité de tension (16) au moyen de laquelle une paroi supérieure de sac (18) peut être tirée à plat et tendue.
  9. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle ladite unité de remplissage (3) comprend au moins un dispositif de compression (19) qui est prévu au-dessous de la tubulure de remplissage (4), et qui, en particulier, est disposé de manière réglable en hauteur.
  10. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle ledit dispositif de réception (6) est prévu pour remettre les sacs ouverts (2) remplis à un dispositif de traitement (41).
  11. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle une unité d'appui (22) est prévue qui appuie d'en bas le sac ouvert (2) durant le transport au moyen du dispositif de réception (6).
  12. Machine d'emballage (1) rotative selon la revendication précédente, dans laquelle ladite unité d'appui (22) comprend au moins un dispositif de compression (24).
  13. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle au moins un dispositif de formation de sac (26) est prévu.
  14. Procédé de remplissage de sacs ouverts (2) au moyen d'une machine d'emballage (1) tournant de façon continue qui comprend une pluralité d'unités de remplissage (3) réparties sur la périphérie et tournant avec elle de façon continue, les sacs ouverts (2) étant accrochés d'en bas, pendant la rotation, sur l'ouverture de remplissage (5) des tubulures de remplissage (4), dans lequel un dispositif de réception (6) est prévu qui présente un bras de préhension (8, 9) rotatif avec une unité de préhension (10, 11),
    caractérisé par le fait
    que ledit dispositif de réception (6) reprend, de ladite unité de remplissage (3), au moyen de l'unité de préhension (10, 11), les sacs ouverts (2) durant la rotation et que ladite unité de préhension (10, 11) pivote par rapport au bras de préhension (8, 9) afin de permettre une phase de transfert plus longue.
  15. Procédé selon la revendication précédente, dans lequel un sac ouvert est détaché d'une tubulure de remplissage et est maintenu de manière définie avant que le sac ouvert soit repris par ledit dispositif de réception.
EP12727585.7A 2011-05-09 2012-05-02 Machine de conditionnement rotative et procede pour remplir des sacs ouverts Active EP2707290B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011101047A DE102011101047A1 (de) 2011-05-09 2011-05-09 Rotierbare Packmaschine und Verfahren zum Füllen von offenen Säcken
PCT/EP2012/001874 WO2012152402A2 (fr) 2011-05-09 2012-05-02 Machine de conditionnement rotative et procédé pour remplir des sacs ouverts

Publications (3)

Publication Number Publication Date
EP2707290A2 EP2707290A2 (fr) 2014-03-19
EP2707290B1 EP2707290B1 (fr) 2015-08-19
EP2707290B9 true EP2707290B9 (fr) 2015-12-16

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EP12727585.7A Active EP2707290B9 (fr) 2011-05-09 2012-05-02 Machine de conditionnement rotative et procede pour remplir des sacs ouverts

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US (1) US9352860B2 (fr)
EP (1) EP2707290B9 (fr)
CN (1) CN204078187U (fr)
DE (1) DE102011101047A1 (fr)
EA (1) EA027049B1 (fr)
ES (1) ES2551402T3 (fr)
WO (1) WO2012152402A2 (fr)

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Also Published As

Publication number Publication date
CN204078187U (zh) 2015-01-07
US20140083560A1 (en) 2014-03-27
EP2707290A2 (fr) 2014-03-19
EA201391667A1 (ru) 2014-03-31
US9352860B2 (en) 2016-05-31
EP2707290B1 (fr) 2015-08-19
DE102011101047A1 (de) 2012-11-15
ES2551402T3 (es) 2015-11-18
WO2012152402A2 (fr) 2012-11-15
WO2012152402A3 (fr) 2013-07-18
EA027049B1 (ru) 2017-06-30

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