EP2707289B1 - Machine d'emballage rotative et procede de remplissage de sacs ouverts - Google Patents

Machine d'emballage rotative et procede de remplissage de sacs ouverts Download PDF

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Publication number
EP2707289B1
EP2707289B1 EP12727279.7A EP12727279A EP2707289B1 EP 2707289 B1 EP2707289 B1 EP 2707289B1 EP 12727279 A EP12727279 A EP 12727279A EP 2707289 B1 EP2707289 B1 EP 2707289B1
Authority
EP
European Patent Office
Prior art keywords
filling
open
bag
transfer device
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
EP12727279.7A
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German (de)
English (en)
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EP2707289A1 (fr
Inventor
Michael Korte
Frank Wältermann
Christian Westarp
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 EP2707289A1 publication Critical patent/EP2707289A1/fr
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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
    • 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
    • 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
    • B65B43/42—Feeding 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
    • B65B43/46—Feeding 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
    • B65B43/465—Feeding 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
    • 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
    • B65B43/42—Feeding 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
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • B65B43/60—Means for supporting containers or receptacles during the filling operation rotatable
    • 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
    • B65B1/10—Methods of, or means for, filling the material into the containers or receptacles by rotary feeders
    • 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
    • B65B1/20—Reducing volume of filled material
    • B65B1/22—Reducing volume of filled material by vibration

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.
  • such a system is particularly preferably used for filling fine products, ie for filling fine and dusty products which require a correspondingly long filling and in particular compression time.
  • a device for filling of stand-up pouches with liquid wherein the stand-up pouches are transferred from a transfer carousel to a filling carousel for filling.
  • a stand-up pouch is positioned radially between holding devices below the filler neck on the filling carousel and opened there by suction and then filled.
  • the stand-up pouches stand at the filling spaced below the filler neck, so that this method is not suitable for filling dusty bulk materials.
  • 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 can be watertight. Therefore, moisture-sensitive materials such as cement-filled open bags can also be stored outdoors after sealing since the contents reliably protected against 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. As a result, 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. In continuous operation of such a packing machine for filling Significant cost savings can be achieved with open sacks if the sack length can be reduced by only one centimeter.
  • an important criterion is the automated attachment of the open sacks to be filled onto the filler neck.
  • an automated attachment of the open bags to be filled to the filler neck of the system is achieved in the prior art by attaching a pre-opened open bag to the fixed filler neck from below by a pivoting movement of a pendulum gripper.
  • Such a plugging works reliably in stationary systems. Basically, this is also possible with clocked rotating systems, since the filler neck are stationary during the Aufsteckens. However, if a packaging machine is continuously rotating, then the short time of mecanicrot Schlierens in such Sacêtsteckern is not enough to hang the pre-opened open bag to the filler neck.
  • Packing machines have become known for filling bulk goods in valve sacks, in which the packing machines are designed to be rotating and in which the valve sacks to be filled are shot onto the filling spouts during the rotation of the packing machine.
  • Valve bags however, have a much smaller filler opening compared to open bags and usually comprise at least one paper layer, which ensures a very high rigidity of the valve bag and in particular of the valve.
  • the filling nozzles also project radially outwardly approximately horizontally, and the valves of the valve bags are shot radially from the outside onto the horizontally aligned filling nozzles.
  • valve bags bridge during the Aufsteck- or Aufsch manvorganges a radial distance between the Sacnniesch manifferer and the filler in free flight. As a result, a collision of the fixed Sacêtsch maners is avoided with the rotating part of the system.
  • This method works reliably because valve bags have a relatively high inherent rigidity and because the bag valve has only a small cross-sectional opening, so that they have a sufficient stability for the distance to be bridged in free flight.
  • Open sacks are - as the name implies - designed to be open at the top and the filler neck used has a considerably larger cross-section.
  • open-mouth bags usually consist of very flexible film materials, so that the bag opening required during insertion must be kept defined during the Aufsteckvorgangs to a to ensure defined transfer of the open bag to be filled and a well-defined fit of the open bag to the filler neck. The bridging even a relatively small distance in free flight is therefore not possible when attaching open bags to a filler neck.
  • the rotatable packaging machine according to the invention for filling open sacks has a plurality of co-rotating filling units arranged around the circumference, each of which has a filling neck with at least one lower filling opening.
  • the open sacks can be attached to the filler neck by means of an upward movement directed relative to the filler neck. It is designed as a transfer device handling unit for transferring the open bags to be filled to the filling units provided.
  • the transfer device comprises at least one gripping arm with a gripping unit provided thereon.
  • the gripping arm is arranged circumferentially on the transfer device.
  • a longitudinal speed of the longitudinal movement of the gripper arm is at least temporarily adapted to a circumferential speed of the circumferential movement of the filler neck.
  • the longitudinal speed of the longitudinal movement of the gripping arm is periodically adjusted in each case for a period of time approximately to a peripheral speed of the filler neck.
  • the rotatable packaging machine according to the invention has many advantages.
  • a significant advantage of the rotatable packaging machine according to the invention is that not only the packing machine is designed to be rotatable, but also the transfer device is designed revolving or rotatable. This allows attachment of the open bags to be filled during a continuous rotational movement. By synchronizing the movements of the packing machine and the transfer device, a defined transfer and a defined attachment of the open bags to be filled can take place.
  • the adaptation of the longitudinal speed of the gripper arm to the peripheral speed of the filler allows a considerably longer transfer period.
  • the gripper arm is arranged longitudinally movable on the transfer device to perform a longitudinal movement relative to the transfer device.
  • a longitudinally movably arranged on the transfer device gripping arm advantageously allows a significant increase in the synchronous movement between the filler neck and the open bag to be attached.
  • the longitudinal movement is preferably carried out at least approximately in the circumferential direction of the rotatable packaging machine. Preferably, the longitudinal movement is approximately tangential or slightly curved path along the circumference.
  • the longitudinal movement is preferably carried out synchronized to the movement of a filling nozzle, so that for the transfer of the open bag to be filled to a filling nozzle, the gripping unit with the open bag to be filled is initially located below the filling nozzle. Finally, the open bag is attached to the filler neck during the revolving movement or the rotational movement.
  • the longitudinal movement of the gripper arm relative to the transfer device is designed as a tangent, choruse or secant to the rotational movement of the filler neck.
  • the longitudinal movement in addition to a peripheral component also has a vertical component, so that during the longitudinal movement simultaneously a vertical movement takes place with which the opened bag is pushed onto a filler neck of a filling unit from below.
  • the transfer device also has at least one linear mobility.
  • Linear drives are structurally simple to implement and have a high reliability.
  • a longitudinal movement along a circle segment is possible.
  • a circulating transport belt or a circulating transport chain or the like is possible.
  • the longitudinal speed of the longitudinal movement of the gripper arm is at least temporarily adapted to a peripheral speed of the filler neck.
  • the circulation of the gripping arm is clocked around the transfer device.
  • the gripper arm brings about by the circulation around the transfer device to be filled an open bag to the filler neck, wherein the Aufsteckvorgang takes place during the longitudinal movement of the gripping arm relative to the transfer device.
  • Such a configuration offers considerable advantages, since the overlapping area of the filler neck with the open sack to be attached or with the upper sack opening of the open sack to be attached is considerably increased.
  • the Longitudinal movement which is carried out substantially parallel to a tangent to the circumference of the packing machine, allows a relatively long transfer time. An extended transfer time is often required to ensure a defined hold of the open bag to be filled at any time.
  • the gripping arm with the transfer device in total or that only a part thereof is formed co-rotating. It is also possible that the gripping arm is arranged on a type of circulating belt, chain or the like, which rotates about the transfer device, so that the gripping arm rotates about the transfer device along a circular path, elliptical or other orbit.
  • the open bag to be filled is first kept defined by the gripping unit of the gripper arm.
  • grippers provided on the filling unit grip the upper bag wall, while at the same time the gripping unit holds the upper bag wall of the open bag to be attached. Only when the grippers of the filling unit have securely grasped the open sack to be attached does the gripping unit of the gripper arm release its grippers.
  • a clocked rotation of the transfer device or a clocked circulation of the gripper arm is advantageous because the required overlap between filler and upper bag opening can be ensured by the longitudinal movement of the gripping arm.
  • At least the gripping unit is height adjustable.
  • the Height adjustment in the gripping unit used to postpone the attached open bag from below on a filler neck but it is also possible that the filler neck of the filling unit is designed to be lowered, so that the filler neck is inserted into the upper bag opening of the open bag to be attached. It is also possible that both the filler neck and the gripping unit are adjusted in height to attach the bag. In all of these embodiments, the sack is appended relative to the filler neck by an upward movement.
  • the gripping arm is vertically movable.
  • the gripping unit arranged thereon is adjusted in height.
  • a particularly advantageous embodiment is obtained when the gripping unit is height adjustable by a counselnverschwenkung the gripper arm. This is realized, for example, by a vertically pivotable gripping arm.
  • the gripper arm is first moved to attach a bag open to a filler neck in a basic position in which the gripping arm remains until a filler neck reaches the appropriate position during the rotational movement. Subsequently, the gripping arm is accelerated in the direction of the longitudinal movement and moved synchronously below the filling nozzle. When the appropriate Aufsteckposition is achieved, is pushed by askonverschwenkung the gripper arm of the attached open bag with its upper bag opening on the filler neck and thus attached to the filler neck. After grasping the open bag to be attached by gripper of the filling unit, the gripping unit releases the upper bag wall of the bag to be attached and the gripping unit is height-pivoted back together with the gripper arm back down.
  • the further rotation of the packing machine removes the attached open bag from the gripper arm.
  • the gripper arm is now rotated further to the next open bag to be attached take.
  • a bag opening device can be provided on the gripper arm, which opens the upper bag wall of the open bag to be attached during the circulation or while waiting for the next filler neck.
  • a bag opening device it is possible and preferred for a bag opening device to be arranged upstream of the transfer device, so that an open, open bag is transferred to the transfer device. It is also possible that the bag opening device opens the open bag to be filled during the transfer to the transfer device. Again, a bag opening device is not needed for each filler neck. The effort is low.
  • the filling unit comprises at least one compacting device.
  • the compression device can be designed as a vibrating device.
  • a vibrating plate or the like is provided below the filling nozzle as a compression device on which the bottom of the open bag to be filled at least partially rises during the filling process. It is also possible and preferred to introduce a compression device from above into the bag to be filled during the filling process or thereafter, in order to be replaced by z. B. Jottelmosen to achieve a compression of the bulk material.
  • This compression device is designed in particular as a vibrating bottle or vacuum lance or the like.
  • the inventive method is used to fill open bags with a rotatable packaging machine comprising a plurality of circumferentially spaced co-rotating filling units.
  • a transfer device which has at least one revolving gripper arm with at least one gripping unit and which transfers with the gripping unit the open bags during the circulation to the filling unit.
  • the gripper arm is arranged longitudinally movable on the transfer device to perform a longitudinal movement relative to the transfer device.
  • a longitudinal speed of the longitudinal movement of the gripper arm is at least temporarily adapted to a peripheral speed of the circumferential movement of the filler neck.
  • the method according to the invention also has many advantages, since it allows reliable transfer of the open sacks to be filled to the filling units of a rotatable packaging machine. In this case, the transfer of the open bags to be filled to the filling units can take place during the rotational movement.
  • the gripping unit is at least partially moved linearly or almost linearly to allow a longer transfer phase.
  • the movement of the gripping arm and / or at least one gripping unit can be arcuate, in particular if a radius of the arc is large in comparison to the arc length.
  • the gripping unit can also be movable only approximately arcuately. Also possible is a longitudinal movement, which is composed of several individual movements.
  • the longitudinal movement of the gripping unit is in particular approximately tangential to the movement of the filler neck.
  • the longitudinal movement of the gripping unit does not take place exactly as a tangent, but approximately as a secant or essentially as a parallel to a secant, so that the transfer phase is extended even further.
  • the distance between the tangent and the secant represents the maximum tolerance between the sack opening and the filler neck.
  • longitudinal movements that extend tortuous approximately linearly from a first point to a second point are possible if they extend the transfer phase.
  • the open bag is attached by a pivoting movement of the gripping arm from below to the filler neck.
  • the invention enables a high filling rate of open bags.
  • the transfer time can be increased, so that a reliable and well-defined transfer of open bags to be filled to the filler allows and is guaranteed. Due to the linear movement of the period is greatly increased, although the transfer device requires only a small footprint.
  • the gripping arm of the transfer device is moved linearly for attachment in the circumferential direction. Before the next filler neck comes in transfer range, the gripper arm is moved back linearly. By a circulation around the transfer device or by a rotary movement of the transfer device, a gripping arm provided with the next open bag to be attached is turned into the transfer position.
  • the invention provides a rotary packaging machine and a method for filling open bags, 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, even more To grow filling units on a rotatable packing 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 speed depends in particular on the product to be filled and its compaction behavior.
  • the material to be filled is fed via an inlet funnel 29 and a silo 32 to the individual filler neck 4 of the filling units 3.
  • the filling nozzle 4 for filling the open bags 2 are vertically aligned here, so that the single filling opening 5 points vertically downwards. But it is also possible that one or more filling openings is aligned inclined to the vertical or are. 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.
  • Suckers and grippers are preferably used, so that a sack opening 35 corresponding to the cross-sectional shape of the filling nozzle 4 is formed at the upper end of the open sack 2.
  • the open bag 2 is held defined by its upper bag wall 18 by suction and / or gripper until the open bag 2 is pushed onto the filler neck 4 and is held in turn defined by gripper, not shown here.
  • the attachment of the open bags 2 is carried out with a transfer device 6, 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 it is also possible to use prefabricated or prefabricated open sacks 2.
  • the open bag 2 When the open bag 2 is filled with the intended amount and reaches the angular position of the removal device 40, the open bag 2 is removed from the filler neck 4. The removal of the open bag 2 from the filler neck takes place during the continuous rotation of the packing machine 1.
  • the removed bag 2 is passed through the removal device 40, which is also rotatable, to the processing device 41, which has a linear guide 21 and one or more closing devices 20th includes.
  • the at least one closing device 20 closes the open-top end of the offensive sack 2. Even with the decrease is ensured at all times that the open bag 2 to each Time defined held and guided, so that 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 perspective view of the transfer device 6 and a part of the packaging machine 1. For clarity, not all components are shown.
  • the packing machine 1 rotates in the counterclockwise direction in the direction of rotation 28.
  • the filling units 3 are provided, each comprising a filling nozzle 4 and vertically below a compression device 19.
  • the compactor 19 serves to compact and lower the product level during the filling process or after the filling operation and supports the bottom of the open bag to be filled during the filling process.
  • a longitudinal movement of the gripper arm 8 takes place, which takes place approximately in the circumferential direction.
  • the gripping unit 10 of the gripper arm 8 is moved approximately synchronously with the filler neck 4.
  • the gripper arm 8 is pivoted about the pivot axis 36 vertically so far up until the upper bag opening 35 of the in FIG. 3 below the filling line marked position the in FIG. 4 drawn slip position reached, in which the open bag 2 is attached to the filler neck 4.
  • the gripper arm 8 is linearly moved back here together with the gripper arm 9 to about the in FIG. 3 take position shown again. At the same time, the gripping arm 8 is again pivoted vertically downwards.
  • FIG. 5 shows a first position in which the transfer device 6 with the gripper arm 8 and the gripping unit 10 provided thereon is in a waiting position and is waiting for the arrival of a filling unit 3 with a filler neck 4.
  • the packaging machine 1 rotates counterclockwise here in the direction of rotation 28 shown.
  • the gripper arm 8 is accelerated in the longitudinal direction 37 and moved synchronously with the filler neck 4, so that the longest possible overlap of the bag opening 35 and the filler neck 4 results.
  • FIG. 7 shows a state in which the gripping arm 8 of the transfer device 6 on the linear guide 17 has traveled a distance 22. In this position, the filler neck is located exactly above the bag opening 35. The bag opening 35 is held by various grippers and / or suckers 12 on the gripping unit 10 exactly in position. In the same way, grippers for holding the gusset areas of the bag wall 18 are provided.
  • the gripper arm 9 on the other side of the transfer device 6 holds with the gripping unit 11 an already open open bag 2.
  • the gripper arm 9 is moved together with the gripper arm 8.
  • the gripping arms 8 and 9 are constructed symmetrically to the axis of rotation 34.
  • FIG. 8 shows the state when the gripping arm 8 has covered the distance 23.
  • the open bag 2 is already attached to the filler neck 4 and provided on the filling unit 3 grippers have seized the bag wall 18 of the open bag 2 to be filled , After the open bag 2 is held securely by the grippers of the filling unit 3, the grippers 12 of the gripping unit 10 of the gripper arm 8 can release the open bag 2.
  • FIG. 9 shows the state when the hanging on the filler neck 4 open bag 2 is rotated out of the U-shaped gripping unit 10.
  • the U-shaped gripping unit 10 is designed to be open in the direction of rotation of the packaging machine 1, so that the open bag 2 can be moved out of the U-shaped gripping unit 10.
  • the gripper arms 8 and 9 of the transfer device 6 move on the linear guide 17 back to the starting position, as they are approximately in FIG. 9 is shown.
  • FIG. 10 shows the rotational movement of the transfer device 6, with the gripping arm 9 is rotated to the appended position, while the gripping arm 8 is moved to the accepting position in which the gripper arm 8 with the gripping unit 10 provided there takes over a further open bag 2 of the Sackanreichech 14. Simultaneously with the rotational movement of the gripping arms 8 and 9 moves the Sackanreichillon 14 to the gripping arm 8 to pass the next open bag 2 to be attached.
  • the open bag 2 on the gripper arm 9 is rotated into the attached position with the upper bag opening 35 introduced into the open bag 2.
  • FIG. 12 shows the state shortly before the gripping arm 9 reaches the waiting position in which the gripping arm 9 waits for the next filler neck 4 of a filling unit.
  • the bag filling unit 14 transfers an open bag 2 to a bag opening device 13, which introduces the bag opening 35 into the upper bag wall.
  • the bag opening 35 is adapted in its contour to the outer contour of the filler neck 4 and formed here approximately hexagonal. Such a form has been found to be favorable.
  • a bag opening device 13 is provided in each case on a gripping arm 8 and on the gripping arm 9, so that takes place during the rotation of the gripping arms 8 and 9 about the axis of rotation 34, the opening of the bag 2.
  • the bag opening device 13 comprises suckers which grip the top bag walls and pull them apart in a defined manner, so that the shape of the bag opening 35 results.
  • Sackanreichtician 14 After the transfer of a bag by the Sackanreichtician 14, the Sackanreichtician 14 is moved back axially to the distance 38 back to accept the already waiting next open bag 2.
  • the invention enables the construction of a very advantageous continuously rotating packing machine 1 for filling open bags.
  • a high filling rate is possible. It is possible to fill 1500 bags per hour and even 2000 per hour and even more than 2500 bags per hour with such a packaging machine 1 according to the invention, even if fine and very fine bulk materials are filled.
  • a defined guidance of the bags is guaranteed at all times, so that the required bag length is low and visually appealing filled open bags are filled.

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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) rotative pour 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 inférieure de remplissage (5), les sacs ouverts (2) pouvant être accrochés par un mouvement ascendant dirigé relativement à la tubulure de remplissage,
    caractérisée par le fait
    qu'un dispositif de transfert (6) pour faire passer les sacs ouverts (2) à remplir auxdites unités de remplissage (3) est prévu qui comprend au moins un bras de préhension (8, 9) 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 transfert (6), et que le bras de préhension (8, 9) est disposé sur le dispositif de transfert (6) de manière à être longitudinalement mobile afin d'effectuer un mouvement longitudinal par rapport au dispositif de transfert (6), et dans laquelle une vitesse longitudinale du mouvement longitudinal du bras de préhension (8, 9) est adaptée, au moins temporairement, à une vitesse circonférentielle du mouvement circonférentiel des tubulures de remplissage (4).
  2. Machine d'emballage (1) rotative selon la revendication 1, dans laquelle le bras de préhension (8, 9) est disposé, au moins par sections, sur le dispositif de transfert (6) de manière à être déplaçable linéairement et/ou en arc.
  3. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle la rotation du bras de préhension sur le dispositif de transfert (6) se fait de manière cadencée.
  4. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle au moins une partie du dispositif de transfert (6) est mobile en hauteur.
  5. Machine d'emballage (1) rotative selon la revendication précédente, dans laquelle ladite unité de préhension (10, 11) est réglable en hauteur par un pivotement en hauteur du bras de préhension (8, 9).
  6. Machine d'emballage (1) rotative selon la revendication précédente, dans laquelle la tubulure de remplissage est réglable en hauteur pour l'accrochage.
  7. Machine d'emballage (1) rotative selon l'une quelconque des revendications précédentes, dans laquelle au moins un dispositif à ouvrir les sacs (13) est prévu.
  8. Machine d'emballage (1) rotative selon la revendication précédente, dans laquelle ledit dispositif à ouvrir les sacs (13) est réalisé de manière co-rotative sur le dispositif de transfert (6).
  9. Machine d'emballage (1) rotative selon l'une quelconque des deux revendications précédentes, dans laquelle ledit dispositif à ouvrir les sacs (13) remet au dispositif de transfert (6) le sac ouvert (2) qui a été ouvert.
  10. 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).
  11. 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.
  12. Procédé de remplissage de sacs ouverts (2) au moyen d'une machine d'emballage (1) rotative qui comprend une pluralité d'unités de remplissage (3) co-rotatives réparties sur la périphérie, les sacs ouverts (2) étant accrochés, pendant la rotation, sur l'ouverture inférieure de remplissage (5) des tubulures de remplissage (4) par un mouvement ascendant dirigé relativement à la tubulure de remplissage (4),
    caractérisé par le fait
    qu'un dispositif de transfert (6) est prévu qui présente un bras de préhension (8, 9) rotatif avec une unité de préhension (10, 11), et que le bras de préhension (8, 9) est disposé sur le dispositif de transfert (6) de manière à être longitudinalement mobile afin d'effectuer un mouvement longitudinal par rapport au dispositif de transfert (6), et qu'une vitesse longitudinale du mouvement longitudinal du bras de préhension (8, 9) est adaptée, au moins temporairement, à une vitesse circonférentielle du mouvement circonférentiel des tubulures de remplissage (4), et qu'il remet les sacs ouverts (2), au moyen de ladite unité de préhension (10, 11), durant la rotation, à ladite unité de remplissage (3).
  13. Procédé selon la revendication précédente, dans lequel ladite unité de préhension (10, 11) est déplacée linéairement au moins en partie afin de permettre une phase de transfert plus longue.
  14. Procédé selon l'une quelconque des deux revendications précédentes, dans lequel ladite unité de préhension (10, 11) est déplacée en arc au moins en partie afin de permettre une phase de transfert plus longue
  15. Procédé selon l'une quelconque des trois revendications précédentes, dans lequel un sac ouvert (2) est accroché d'en bas sur la tubulure de remplissage (4) par un mouvement de pivotement du bras de préhension (8, 9).
EP12727279.7A 2011-05-09 2012-05-02 Machine d'emballage rotative et procede de remplissage de sacs ouverts Active EP2707289B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011101040A DE102011101040A1 (de) 2011-05-09 2011-05-09 Rotierbare Packmaschine und Verfahren zum Füllen von offenen Säcken
PCT/EP2012/001873 WO2013013731A1 (fr) 2011-05-09 2012-05-02 Machine d'emballage rotative et procédé de remplissage de sacs ouverts

Publications (2)

Publication Number Publication Date
EP2707289A1 EP2707289A1 (fr) 2014-03-19
EP2707289B1 true EP2707289B1 (fr) 2015-08-19

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EP12727279.7A Active EP2707289B1 (fr) 2011-05-09 2012-05-02 Machine d'emballage rotative et procede de remplissage de sacs ouverts

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US (1) US9346568B2 (fr)
EP (1) EP2707289B1 (fr)
CN (1) CN203832825U (fr)
DE (1) DE102011101040A1 (fr)
EA (1) EA025895B1 (fr)
ES (1) ES2551263T3 (fr)
WO (1) WO2013013731A1 (fr)

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Also Published As

Publication number Publication date
US9346568B2 (en) 2016-05-24
EP2707289A1 (fr) 2014-03-19
DE102011101040A1 (de) 2012-11-15
US20140083559A1 (en) 2014-03-27
ES2551263T3 (es) 2015-11-17
EA201391663A1 (ru) 2014-03-31
EA025895B1 (ru) 2017-02-28
CN203832825U (zh) 2014-09-17
WO2013013731A1 (fr) 2013-01-31

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