EP3357816B1 - Method and device for transporting and filling bags - Google Patents
Method and device for transporting and filling bags Download PDFInfo
- Publication number
- EP3357816B1 EP3357816B1 EP17154247.5A EP17154247A EP3357816B1 EP 3357816 B1 EP3357816 B1 EP 3357816B1 EP 17154247 A EP17154247 A EP 17154247A EP 3357816 B1 EP3357816 B1 EP 3357816B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- filling
- bag
- holder
- movable
- rotation
- 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.)
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Links
- 238000000034 method Methods 0.000 title claims description 5
- 239000013590 bulk material Substances 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 description 25
- 241000047428 Halter Species 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
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- 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
- 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
-
- 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
- B65B1/06—Methods of, or means for, filling the material into the containers or receptacles by gravity flow
-
- 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
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/007—Guides or funnels for introducing articles into containers or wrappers
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/06—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers
- B65B39/08—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers by means of clamps
- B65B39/10—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers adapted to support containers or wrappers by means of clamps operating automatically
-
- 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
- B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
- B65B39/14—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing
- B65B39/145—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers movable with a moving container or wrapper during filling or depositing in an endless path
-
- 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
- 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
- B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
-
- 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
- B65B43/59—Means for supporting containers or receptacles during the filling operation vertically movable
-
- 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
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/28—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for discharging completed packages from machines
-
- 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
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
Definitions
- the present invention relates to a device for transporting and filling sacks, preferably open sacks, comprising a filling device rotatable about a rotation axis with a plurality of filling openings distributed over the circumference of the filling device, and comprising a feeder, with which an empty sack can be fed to a filling opening wherein the feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device.
- feeders which move in sections with the filling device, so that the filling device can maintain a constant rotational speed.
- the transfer device has a gripping arm with a gripping unit as a holding device, the gripping arm on the one hand around the gripper arm Transfer device is formed circumferentially to bring the gripping arm after transfer of a bag to the filling device back to the starting position, and the gripping arm on the other hand performs a longitudinal movement, which is at least temporarily adapted to the peripheral speed of the circumferential movement of the filler to a bag to the continuously handed over rotating filling device.
- this device has the disadvantage that the guidance of the gripping arm by the combination of circumferential movement and longitudinal movement is complex and susceptible to wear. Due to the - in relation to the rotational movement of the filling device - tangential movement of the transfer device this also requires an increased space requirement at the production site.
- DE 203 09 914 U and DE 10 2011 101040 A1 disclose similar rotary filling machines with holding devices, wherein DE 203 09 914 U with parallel guide rods 23,24 or transport grippers 21,22 and DE 10 2011 101040 A1 with a transfer device 6 try to optimize the performance of the machine by low loss time when attaching an empty bag.
- Starting point is a device for transporting and filling of bags, preferably of open sacks, comprising a filling device rotatable about a rotation axis with a plurality of filling openings distributed over the circumference of the filling device, and comprising a feeder, with which an empty sack can be fed to a filling opening, wherein the Feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device.
- the term "normal to the axis of rotation" can in principle include both a component of movement radially to the axis of rotation and a component of motion in the circumferential direction.
- the holding device has two separate holders, wherein the holders are each along the same open trajectory forward and backward movable, wherein the first holder is movably mounted on the filling device, while the second holder movable on a fixed space guide is stored.
- first and second holders By separating the first and second holders, they are independently movable and it is easier to define trajectories associated with other parts of the filling device, such as e.g. Filler, do not collide.
- the first holder advances on a predetermined trajectory to move the empty bag with it at the same speed as the filling device until the bag is attached to the filling device. Then the first holder disengages from the bag and moves back on the same trajectory to take over the next empty bag.
- the second holder performs the same sequence of movements, usually at the same time as the first holder, thus advancing on a predetermined trajectory to move the empty bag at the same speed as the filling device until the bag is attached to the filling device is. Then the second holder detaches from the bag and travels back on the same trajectory to take over the next empty bag. In any case, since the guide of the first holder is provided on the filling device, no space is consumed radially outside the filling device by this guide.
- the trajectory followed by the respective holder is open, so it may for example be a straight or curved path.
- This differs from closed prior art trajectories where the retainer or gripper does not change its direction of travel, but always travels in the same direction along a circular path or other closed curve.
- First and second holder may be movable parallel to each other in a variant. Their trajectories then run parallel to each other, the holders or their guides then have along the trajectories always the same distance. It would also be conceivable, however, for the trajectories (in the sense of the path predetermined by the guides of the holders) to move away from the first and second holders, for example to assist in opening the empty sack.
- the first holder is movably mounted within the filling openings and the second holder is movably mounted outside the filling openings.
- the empty bag can most easily be opened so that the bag opening is located below the filling opening.
- the guidance of the first holder within the filling openings results in a corresponding saving of space outside the filling openings, so that a possible enclosure of the device according to the invention can be made smaller.
- the second holder is preferably located at least partially radially within the largest diameter of the filling device.
- the second holder is in all its possible positions always at least partially radially within the largest diameter of the filling device, and never completely outside.
- the spatially fixed guide of the second holder can in this case lie radially outside the largest diameter of the filling device. This space savings in the radial direction can be increased even if the spatially fixed guide of the second holder is arranged radially within the largest diameter of the filling device, thus the second holder is arranged completely radially within the largest diameter of the filling device.
- a particularly simple and compatible with the rotational movement of the filling openings trajectory is obtained when the trajectory of the first and / or the second holder is a portion of a circular path, so a circular arc.
- the curvature of the portion of the circular path is directed outwards.
- the center of the circular path lies on the axis of rotation of the filling device.
- the circular path of the trajectory of the first and / or the second holder is then concentric with the axis of rotation of the filling device.
- the first and / or the second holder may each comprise a means for sucking.
- This first and second holder can attack from the outside of the empty bag, this suck in and open. Intervention in the interior of the bag is not necessary.
- the means for sucking the first and / or the second holder with respect to the rest of the holder is movable radially to the axis of rotation.
- the means for sucking can be realized by about one or more suction nozzles.
- the first and / or the second holder each comprise a means for lifting a bag from a transfer position to a filling position.
- the transfer position where the bag is transferred to the holders may be at a distance below the filling opening, e.g. below the filling, lie.
- the empty bag In order to allow filling without loss, the empty bag must be lifted from the holders up to the filling opening, preferably beyond the filling opening.
- These agents may e.g. Be pivoting arms, which then the actual holding means, so about the means for sucking, lift and then lower again.
- the means for lifting can be designed as a parallelogram.
- the feeder with which an empty bag can be fed to a filling opening can also comprise a pivoting device with which an empty bag can be pivoted from a storage position, in particular a horizontal position, into a transfer position, in particular a vertical position, for transfer to the holding device.
- the pivoting device is not in direct communication with the rotating filling device, but is spatially fixed radially outside or next to the filling device. The pivoting device leads to the empty bags of the holding device, this takes them from the pivoting device.
- the pivoting means may therefore comprise two pivoting arms which grip the folded empty bag at the edges and lift from the horizontal position on a stack located next to the filling device inwardly towards the filling device and at the same time upwardly in the direction of the holding device into a transfer position ,
- the pivot axis is preferably arranged horizontally, in particular tangentially to an imaginary circle about the axis of rotation of the filling device.
- the filling device has fixing units in the region of the filling openings, which are designed to hold a bag in the filling position after releasing the holding device at the filling opening.
- These fixing units may be, for example, to the shape of the filling opening, in particular the shape of a filler neck, adapted brackets which press the bag from the outside against the filling opening, in particular the filler neck.
- fixation units can be used. A pair can be used for bag handover and clamps the bag only in the center of the filling device, a pair has a shape adapted to the filler neck and surrounds the filler neck.
- a bag-detachable device that is not co-rotating on the filling device
- the gripping means of which can be moved, in particular pivotable, normal to the axis of rotation of the filling device, wherein the gripping means along the same open trajectory in the circumferential direction (relative to Axis of rotation of the filling device) are movable forwards and backwards.
- moving normal to the axis of rotation comprises both a component of motion radial to the axis of rotation and a component of motion in the circumferential direction, ie a movement along and / or tangential to an imaginary circle about the axis of rotation.
- the gripping means By the movement of the gripping means in the circumferential direction forward, the gripping means can follow the rotation of the filling device while gripping the bag and then pulling it off and, e.g. on another conveyor, settle. In order to grip the next bag, the gripping means must be moved backwards in the circumferential direction. Then they follow the rotation of the conveyor again, and so on.
- the movement of the gripping means in the circumferential direction can be predetermined by a guide, such as a link, the trajectory can then be a straight or curved path, in particular a circular arc, preferably a circular arc concentric with the axis of rotation of the filling device.
- the gripping means may be suspended between two pivoting arms with pivot axes parallel to the axis of rotation of the filling device in order to achieve a movement in the circumferential direction.
- the gripping means of the bag removal device may additionally be movable or pivotable from top to bottom in order to pull a filled bag downwards from the filling opening.
- a vibrating plate For compacting the bulk material in the bags may be provided below each filling opening a vibrating plate, which from the filling opening is inclined outwards so that filled bags rest on the vibrating plate.
- a vibrating plate can be used not only for the device according to the invention, but also for any device for transporting and filling bags, preferably open-mouth bags, comprising a filling device rotatable about a rotation axis and having a plurality of filling openings distributed over the circumference of the filling device.
- a flap which can be pivoted towards the filling opening can be provided in order to support a filled bag in the bottom area.
- This flap is used to relieve the bag material and thereby causes a bulging of the bag, which in turn gives better filling and thus a reduction in the degree of filling.
- One or more impacts of the flap on the bottom of the bag when folding up can also contribute to the compression of the bulk material in the bag.
- the method for transporting and filling bags, preferably open-mouth bags, with a device according to the invention assumes that the filling device rotates at a constant speed with a plurality of filling openings distributed over the circumference of the filling device, with one feeder feeding an empty bag to a filling opening the feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device.
- two separate holders of the holding device together take over an empty bag at a transfer position, the holders are moved along the open trajectory synchronously forward while the bag is attached to the filling device, the holder release the bag and then the holder respectively along the same open trajectory, in particular synchronously, are moved backwards to the transfer position to take over again an empty bag.
- synchronous movement is understood to mean that first and second holders move at the same angular velocity and are aligned radially with one another.
- the forward movement should be done synchronously best, because otherwise the bag, more precisely its opening, has no defined position. It would also conceivable non-synchronous forward movement (and thus a relative movement of the means for suction in the circumferential direction), preferably during the short time of Sack Sacks to facilitate the bag opening, such as when the bags are charged electrostatically.
- the backward movement of the holder will usually be synchronous, but the holder must be in the transfer position again at the same time.
- Fig. 1 shows an overview of a device according to the invention for transporting a bag 1.
- the device comprises a filling device 2, the filling openings are formed by filler neck 3. Above each filling nozzle 3, a hopper 4 is arranged, which is acted upon by a device, not shown, with bulk material.
- the device further comprises a feeder, which is composed here of a holding device 5 and a pivoting device 6.
- the device comprises a bag removal device 7 for removing a filled bag from the filling opening of the filler neck 3.
- a downwardly obliquely arranged vibrating plate 8 is provided, on which the filled bags 1 rest. By shaking the Vibrating plate 8, the bulk material is compacted within the bag 1.
- a compression could also be provided by a flap 24, which is arranged at the lower end of the vibrating plate 8 and pivotable towards the filling opening.
- a flap 24 which is arranged at the lower end of the vibrating plate 8 and pivotable towards the filling opening.
- the flap 24 If the flap 24 has been folded downwards, it can be located, for example, in the same plane as the vibrating plate 8. This flap 24 is used in the folded-up state, where, for example, it is approximately normal to the vibrating plate 8, but in any case to relieve the bag material of the filled bag. 1
- the filling device 2 has a vertically arranged in the operating state rotary column 9, which is rotatable about a rotation axis 10.
- the filling device 2 rotates here at a constant speed counterclockwise.
- the filling device 2 can be moved in accordance with mirrored arrangement of the device according to the invention also in a clockwise direction.
- brackets 11 which are adapted to the shape of the filler neck 3
- the bags 1 can be fixed to the filler neck 3 by clamping.
- the here circular disk-shaped carrier 16 of the filling device 2 carries on the one hand the hopper 4 located above the carrier 16 and the filling nozzle 3 arranged below the carrier 16. The diameter of the carrier 16 thus forms the largest diameter of the filling device 2 in this example.
- the holding device 5 is in Fig. 1 the first holder 12, which is movably mounted on the filling device 2, largely concealed by the filler neck 3. Only the second holder 13 can be seen, which is movably mounted on a fixed space guide.
- the solid guide 14 is formed here as a curved guide rail, and is spatially fixed in the sense that it is not attached to the filling device 2 and thus not co-rotated with the filling device 2.
- the guide 14 may for example be attached to a housing surrounding the device according to the invention.
- the Fig. 2-4 show the device of the invention Fig. 1 when receiving a bag 1 by the pivoting device 6. This is pivotable about a pivot axis which extends horizontally and tangentially to an imaginary circle about the axis of rotation 10 of the rotary column 9. Two pivot arms are rigidly connected to each other and carry at their ends grippers with which an empty bag 1 can be taken in a horizontal storage position here.
- the second holder 13 is located, seen in the direction of rotation of the filling device 2, at this time at the very beginning of the guide 14 and can already be aligned in the radial direction with a filling opening 15.
- the holder 12, 13 need not necessarily be located at the beginning of the guide 14.
- the pivoting device 6 can, in the vertical position of the bag 1 (see Fig. 5-7 ), also wait for the retracting holders 12, 13. Also, an alignment with the filling opening must not be given, this is only after the opening of the bag 1, namely during the attachment of the bag 1, required.
- FIG. 4 the structure of the first holder 12 and second holder 13 can be seen.
- the first holder 12 has two pairs of pivot arms 17, between which a means for suction, here a suction nozzle 19, is held.
- the pivot arms 17 are articulated on one side to the suction nozzle 19, on the other side to a rotatable arm 26 (see Fig. 24, 25 ), which is rotatably mounted on the rotary column 9.
- the first holder 12 moves in space along a circular arc.
- the pivot arms 17, which is designed as a parallelogram the suction nozzle 19 can be raised or lowered parallel to the axis of rotation 10.
- the suction nozzle 19 is additionally mounted radially displaceable relative to the pivot arms 17 here by means of a piston 18.
- the second holder 13 also has two pairs of pivot arms 17, between which a means for sucking, here a suction nozzle 19, is held.
- the pivot arms 17 are hinged on one side to the suction nozzle 19, on the other side to a guide member which is displaceable in the guide rail of the guide 14.
- the pivot arms 17 realize here a parallelogram.
- the guide rail here has the shape of a circular arc which is concentric with the axis of rotation 10. By the pivot arms 17, the suction nozzle 19 can be raised or lowered parallel to the axis of rotation 10.
- the suction nozzle 19 is not mounted radially displaceable here.
- the holders 12, 13 and their suction nozzles 19 are located in the Fig. 2-4 in the transfer position, where an empty bag 1 can be taken over by the pivoting device 6.
- the trajectories of the holders 12, 13 are formed as concentric circular arcs to the axis of rotation 10 and therefore extend parallel to each other.
- the trajectory of the first holder 12, more precisely the trajectory of the mounting of the pivot arms 17, extends within the filling openings 15, the trajectory of the second holder 13, more precisely the trajectory defined by the guide 14, extends outside the filling apertures 15.
- the guide 14 of the second holder 13 is arranged radially outside of the carrier 16, the second holder 13 is always partially radially inside and partially radially outside of the carrier 16 and the largest diameter of the filling device. 2
- the holders 12, 13 are, as will be described, clocked about the axis of rotation 10 moves, namely always a piece about the rotation axis 10 in one direction and then rotated a piece in the other direction and then a piece in the one direction, and so on, while the filling device 2 rotates continuously at a constant speed about the axis of rotation 10, so neither the direction of rotation nor the rotational speed changes.
- the Fig. 5-7 show the device of the invention Fig. 1 after swinging up a bag 1 by the pivoting device 6.
- the two pivot arms of the pivoting device 6 have the empty bag 1 pivoted from the horizontal storage position into a transfer position perpendicular here.
- the pivot arms of the pivoting device 6 protrude radially to the outer end of the filler neck 3 in the filling device 2.
- the bag 1 is located with its side facing away from the rotary column 9 wall on the suction nozzle 19 of the second holder 13.
- the piston 18 of the first holder 12, which piston 18 carries the suction nozzle 19, is displaced radially outwards until this suction nozzle 19 rests against the bag 1, on its side facing the rotary column 9 wall. Now the bag 1 can be held by means of the suction nozzles 19 and the grippers of the pivoting device 6 can be released.
- the pivoting device 6 is pivoted back again and can take the next bag 1 with the grippers.
- the Fig. 8-10 show the device of the invention Fig. 1 when attaching the bag 1 to the filling opening of the filler neck 3.
- the bag 1 must first be opened by the holders 12, 13. This happens here in that the piston 18 of the first holder 12 is again moved radially inward and the sucked, the rotary column 9 facing wall of the bag 1 is pulled radially inward.
- the pivot arms 17 of the holders 12, 13 can then be lifted, so that the bag is pushed onto the outside of the filler neck 3.
- the bag 1 is pressed by a pair of clamps, which acts only centrally on the filler neck 3, against the filler neck 3 and thus taken over by the holders 12, 13.
- the clamps 11 are applied to the filler neck 3, so that it is completely enclosed by the brackets 11, and thereby the bag 1 attached to filler neck 3.
- the first holder 12 is after attaching the bag 1 through the brackets 1 on the filler neck 3 again by a rotational movement of the arm 26 in the transfer position according to the Fig. 2-7 moved back.
- the second holder 13 is after securing the bag 1 through the brackets 1 on the filler neck 3 again along the guide 14 in the transfer position according to the Fig. 2-7 moved back.
- the Fig. 11-13 show the device of the invention Fig. 1 when filling a bag 1.
- the holders 12, 13 have been omitted in these illustrations. It recognizes the brackets 11 better, which fix the bag 1 at the filler neck 3.
- Bulk material is now, in particular in a by measurement, such as weighing, predetermined amount, filled in the hopper 4 and passes through the filler neck 3 in the bag 1.
- the bag 1 is now on the inclined vibrating plate 8, whereby the bulk material in the bag. 1 is compressed.
- a flap 24 is provided here to support the filled bag 1 in the bottom area. The flap 24 is in the folded up state.
- the Fig. 14-16 show the device of the invention Fig. 1 when retracting the bag removal device 7 in the direction of the filling device 2.
- the bag 1 can be removed from the filling device 2.
- the corresponding gripping means 23 of the bag removal device 7 should also move with the filling device 2.
- a space-fixed guide 20 is provided, which in this embodiment is circular arc-shaped and concentric with the axis of rotation 10, so that the gripping means 23 can be carried along a circular arc with the filling device 2.
- the gripping means 23 are mounted on two pairs - relative to the guide 20 and the gripping means 23 - pivotable arms 21, 22 to realize a parallelogram.
- Fig. 14-16 are the gripping means 23 - seen in the direction of rotation of the filling device 2 - at the beginning of the defined by the guide 20 Arc.
- the gripping means 23 are now pivoted inwards and upwards into the filling device 2, so that the gripping means 23 can grip the bag 1.
- the gripping means 23 are thereby moved along the guide 20 at the same speed with the filling device 2.
- the Fig. 17-19 show the device of the invention Fig. 1 before removing the filled bag 1 from the filling device 2 by the bag removal device 7.
- the flap 24 is here already folded down. Until the gripping means 23 have reached the end of the guide 20, the gripping means 23 have seized the bag 1. After the gripping means 23 have grasped the bag, the clamps 11 open and the bag 1 is set down. Already at the same time or only then swing the arms 21, 22 outwards and downwards.
- the Fig. 20-22 show the device of the invention Fig. 1 after the back pivoting of the bag removal device 7 away from the filling device 2.
- the bag 1 is still held by the gripping means 23 and can be parked, for example, on a arranged below the bag removal device 7 conveyor belt by loosening the gripping means 23 and transported away. Before and while the bag 1 is turned off, it is spread in the head space of the bag 1 for a proper transfer by means of the gripping means 23.
- Fig. 23 shows an example of how the space-fixed guide 14 of the second holder 13 may be performed.
- the longitudinal ends of the guide rail of the guide 14 are mounted on fixed spacers 25.
- These pillars 25 need not be specially provided for the guide 14, it can be used existing stand 25, which are about part of a housing that surrounds the device according to the invention.
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Description
Die vorliegende Erfindung bezieht sich auf eine Vorrichtung zum Transportieren und Befüllen von Säcken, vorzugsweise von Offensäcken, umfassend eine um eine Drehachse rotierbare Füllvorrichtung mit mehreren, über den Umfang der Füllvorrichtung verteilten Füllöffnungen, sowie umfassend einen Zubringer, mit welchem ein leerer Sack einer Füllöffnung zuführbar ist, wobei der Zubringer zumindest eine Halteeinrichtung für einen Sack umfasst, die normal zur Drehachse der Füllvorrichtung bewegbar ist.The present invention relates to a device for transporting and filling sacks, preferably open sacks, comprising a filling device rotatable about a rotation axis with a plurality of filling openings distributed over the circumference of the filling device, and comprising a feeder, with which an empty sack can be fed to a filling opening wherein the feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device.
Aus dem Stand der Technik sind verschiedene Vorrichtungen zum Transportieren und Befüllen von Säcken bekannt. Diese Vorrichtungen kommen unter anderem auch beim Befüllen von offenen Säcken, sogenannten Offensäcken, mit Schüttgut zum Einsatz. Zur Durchsatzsteigerung sind solche Vorrichtungen oft rotierbar ausgeführt, wobei Fixiereinheiten, die zum Befestigen der Säcke um die Füllöffnungen (etwa an einem Füllstutzen) oder unterhalb der Füllöffnungen dienen, rotierbar um eine Drehsäule angeordnet sind. Leere Säcke werden vom Zubringer zur Füllvorrichtung gefördert und von dieser übernommen. Nach der Befestigung der Säcke an den Füllöffnungen mittels der Fixiereinheiten werden die Säcke befüllt und durch Rotation der Füllvorrichtung weitertransportiert, bis sie von der Füllvorrichtung durch eine Sackabnahmeeinrichtung wieder abgenommen werden.Various devices for transporting and filling bags are known from the prior art. Among other things, these devices are also used for filling open sacks, so-called open sacks, with bulk material. To increase the throughput of such devices are often designed rotatable, with fixing units, which serve to secure the bags around the filling openings (such as at a filler neck) or below the filling openings, are arranged rotatably about a rotary column. Empty bags are conveyed from the feeder to the filling device and taken over by this. After attaching the bags to the filling openings by means of fixing units, the bags are filled and further transported by rotation of the filling device until they are removed from the filling device by a bag removal device again.
Um eine getaktete Betriebsweise solcher Vorrichtungen, also z.B. ein Anhalten der Füllvorrichtung zum Zubringen eines Sacks und/oder zum Abnehmen eines Sacks, zu vermeiden, sind Zubringer bekannt, die sich abschnittsweise mit der Füllvorrichtung mitbewegen, sodass die Füllvorrichtung eine konstante Drehgeschwindigkeit beibehalten kann.To provide a clocked mode of operation of such devices, e.g. stopping the filling device to feed a bag and / or to remove a bag, feeders are known which move in sections with the filling device, so that the filling device can maintain a constant rotational speed.
Aus der
Diese Vorrichtung weist jedoch den Nachteil auf, dass die Führung des Greifarms durch die Kombination von umlaufender Bewegung und Längsbewegung komplex und verschleißanfällig ist. Aufgrund der - in Bezug auf die rotatorische Bewegung der Füllvorrichtung - tangentialen Bewegung der Übergabeeinrichtung erfordert diese auch einen erhöhten Platzbedarf am Produktionsstandort.However, this device has the disadvantage that the guidance of the gripping arm by the combination of circumferential movement and longitudinal movement is complex and susceptible to wear. Due to the - in relation to the rotational movement of the filling device - tangential movement of the transfer device this also requires an increased space requirement at the production site.
Auch die Dokumente
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine einfachere Halteeinrichtung zu schaffen, durch welche die Füllvorrichtung kontinuierlich mit konstanter Geschwindigkeit betrieben werden kann und darüber hinaus mit geringem Platzbedarf auskommt.It is therefore an object of the present invention to provide a simpler holding device, by which the filling device can be operated continuously at a constant speed and also manages with a small footprint.
Ausgangspunkt ist eine Vorrichtung zum Transportieren und Befüllen von Säcken, vorzugsweise von Offensäcken, umfassend eine um eine Drehachse rotierbare Füllvorrichtung mit mehreren, über den Umfang der Füllvorrichtung verteilten Füllöffnungen, sowie umfassend einen Zubringer, mit welchem ein leerer Sack einer Füllöffnung zuführbar ist, wobei der Zubringer zumindest eine Halteeinrichtung für einen Sack umfasst, die normal zur Drehachse der Füllvorrichtung bewegbar ist. Der Begriff "normal zur Drehachse" kann dabei grundsätzlich sowohl eine Bewegungskomponente radial zur Drehachse als auch eine Bewegungskomponente in Umfangsrichtung umfassen.Starting point is a device for transporting and filling of bags, preferably of open sacks, comprising a filling device rotatable about a rotation axis with a plurality of filling openings distributed over the circumference of the filling device, and comprising a feeder, with which an empty sack can be fed to a filling opening, wherein the Feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device. The term "normal to the axis of rotation" can in principle include both a component of movement radially to the axis of rotation and a component of motion in the circumferential direction.
Die erfindungsgemäße Aufgabe wird dadurch gelöst, dass die Halteeinrichtung zwei getrennte Halter aufweist, wobei die Halter jeweils entlang der selben offenen Bahnkurve vorwärts und rückwärts bewegbar sind, wobei der erste Halter verfahrbar an der Füllvorrichtung gelagert ist, während der zweite Halter verfahrbar an einer raumfesten Führung gelagert ist.The object of the invention is achieved in that the holding device has two separate holders, wherein the holders are each along the same open trajectory forward and backward movable, wherein the first holder is movably mounted on the filling device, while the second holder movable on a fixed space guide is stored.
Durch die Auftrennung der Halteeinrichtung in zwei voneinander getrennte Halter, von denen nur der zweite getrennt von (z.B. außerhalb) der Füllvorrichtung geführt werden muss, ist weniger Platz für diesen zweiten Halter erforderlich als für eine Halteeinrichtung, die beide Halter umfasst. Zumindest zwei Halter sind deshalb notwendig, damit diese einen leeren zusammengefalteten Sack von zwei Seiten erfassen und öffnen können.By separating the holding device into two separate holders, only the second of which must be guided separately from (for example outside) the filling device, less space is required for this second holder than for a holding device comprising both holders. At least two holders are therefore necessary so that they can detect and open an empty folded bag from two sides.
Durch die Trennung von erstem und zweitem Halter sind diese unabhängig voneinander bewegbar und es können leichter Bahnkurven festgelegt werden, die mit anderen Teilen der Füllvorrichtung, wie z.B. Füllstutzen, nicht kollidieren.By separating the first and second holders, they are independently movable and it is easier to define trajectories associated with other parts of the filling device, such as e.g. Filler, do not collide.
Der erste Halter bewegt sich auf einer vorgegebenen Bahnkurve vorwärts, um den leeren Sack mit der gleichen Geschwindigkeit wie die Füllvorrichtung mit dieser mitzubewegen, bis der Sack an der Füllvorrichtung befestigt ist. Dann löst sich der erste Halter vom Sack und fährt auf der selben Bahnkurve zurück, um den nächsten leeren Sack zu übernehmen. Der zweite Halter führt, in der Regel zeitgleich mit dem ersten Halter, den gleichen Bewegungsablauf aus, bewegt sich also auf einer vorgegebenen Bahnkurve vorwärts, um den leeren Sack mit der gleichen Geschwindigkeit wie die Füllvorrichtung mit dieser mitzubewegen, bis der Sack an der Füllvorrichtung befestigt ist. Dann löst sich der zweite Halter vom Sack und fährt auf der selben Bahnkurve zurück, um den nächsten leeren Sack zu übernehmen. Da die Führung des ersten Halters an der Füllvorrichtung vorgesehen ist, wird jedenfalls von dieser Führung kein Platz radial außerhalb der Füllvorrichtung verbraucht.The first holder advances on a predetermined trajectory to move the empty bag with it at the same speed as the filling device until the bag is attached to the filling device. Then the first holder disengages from the bag and moves back on the same trajectory to take over the next empty bag. The second holder performs the same sequence of movements, usually at the same time as the first holder, thus advancing on a predetermined trajectory to move the empty bag at the same speed as the filling device until the bag is attached to the filling device is. Then the second holder detaches from the bag and travels back on the same trajectory to take over the next empty bag. In any case, since the guide of the first holder is provided on the filling device, no space is consumed radially outside the filling device by this guide.
Die Bahnkurve, welcher der jeweilige Halter folgt, ist offen, kann also beispielsweise eine gerade oder gekrümmte Strecke sein. Dies unterscheidet sich von geschlossenen Bahnkurven aus dem Stand der Technik, wo der Halter oder Greifer seine Bewegungsrichtung nicht ändert, sondern entlang einer Kreisbahn oder einer anderen geschlossenen Kurve immer in der gleichen Richtung umläuft. Dadurch, dass erfindungsgemäß Vorwärts- und Rückwärtsbewegung des jeweiligen Halters entlang des selben Bahnkurvenabschnitts stattfindet, wird im Gegensatz zu geschlossenen Bahnkurven Platz gespart, weil dort ein Bahnkurvenabschnitt für das Mitführen des leeren Sacks und ein anderer Bahnkurvenabschnitt für das Rückführen des Halters oder Greifers in die Ausgangslage benötigt wird, wobei der Bahnkurvenabschnitt für das Rückführen des Halters in der Regel radial außerhalb des Bahnkurvenabschnitts für das Mitführen des leeren Sacks liegt.The trajectory followed by the respective holder is open, so it may for example be a straight or curved path. This differs from closed prior art trajectories where the retainer or gripper does not change its direction of travel, but always travels in the same direction along a circular path or other closed curve. Characterized in that according to the invention takes place forward and backward movement of the respective holder along the same trajectory section, in contrast to closed trajectories space is saved because there is a trajectory section for carrying the empty bag and another trajectory section for returning the holder or gripper to the starting position is needed, wherein the trajectory portion for the return of the holder is usually located radially outside the trajectory portion for carrying the empty bag.
Erster und zweiter Halter können in einer Ausführungsvariante parallel zueinander bewegbar sein. Ihre Bahnkurven verlaufen dann also parallel zueinander, die Halter bzw. deren Führungen haben dann längs der Bahnkurven immer den gleichen Abstand. Denkbar wäre aber auch, dass sich die Bahnkurven (im Sinne der von den Führungen der Halter vorgegebenen Bahn) von ersten und zweitem Halter voneinander entfernen, etwa um das Öffnen des leeren Sackes zu unterstützen.First and second holder may be movable parallel to each other in a variant. Their trajectories then run parallel to each other, the holders or their guides then have along the trajectories always the same distance. It would also be conceivable, however, for the trajectories (in the sense of the path predetermined by the guides of the holders) to move away from the first and second holders, for example to assist in opening the empty sack.
In einer bevorzugten Ausführungsform ist der erste Halter innerhalb der Füllöffnungen verfahrbar gelagert und der zweite Halter außerhalb der Füllöffnungen verfahrbar gelagert. Dadurch kann der leere Sack am einfachsten so geöffnet werden, dass sich die Sacköffnung unterhalb der Füllöffnung befindet. Durch die Führung des ersten Halters innerhalb der Füllöffnungen ergibt sich eine entsprechende Platzersparnis außerhalb der Füllöffnungen, sodass eine etwaige Einhausung der erfindungsgemäßen Vorrichtung kleiner gebaut werden kann.In a preferred embodiment, the first holder is movably mounted within the filling openings and the second holder is movably mounted outside the filling openings. As a result, the empty bag can most easily be opened so that the bag opening is located below the filling opening. The guidance of the first holder within the filling openings results in a corresponding saving of space outside the filling openings, so that a possible enclosure of the device according to the invention can be made smaller.
Der zweite Halter befindet sich bevorzugt zumindest teilweise radial innerhalb des größten Durchmessers der Füllvorrichtung. Dabei befindet sich der zweite Halter in all seinen möglichen Positionen immer zumindest teilweise radial innerhalb des größten Durchmessers der Füllvorrichtung, und nie komplett außerhalb. Dadurch kann auf Höhe des zweiten Halters in radialer Richtung - bezogen auf die Drehachse der Füllvorrichtung - außerhalb der Füllvorrichtung Platz gespart werden. Die raumfeste Führung des zweiten Halters kann hierbei radial außerhalb des größten Durchmessers der Füllvorrichtung liegen. Diese Platzersparnis in radialer Richtung lässt sich noch erhöhen, wenn auch die raumfeste Führung des zweiten Halters radial innerhalb des größten Durchmessers der Füllvorrichtung angeordnet wird, somit auch der zweite Halter vollständig radial innerhalb des größten Durchmessers der Füllvorrichtung angeordnet ist.The second holder is preferably located at least partially radially within the largest diameter of the filling device. In this case, the second holder is in all its possible positions always at least partially radially within the largest diameter of the filling device, and never completely outside. As a result, at the height of the second holder in the radial direction-relative to the axis of rotation of the filling device-space can be saved outside the filling device. The spatially fixed guide of the second holder can in this case lie radially outside the largest diameter of the filling device. This space savings in the radial direction can be increased even if the spatially fixed guide of the second holder is arranged radially within the largest diameter of the filling device, thus the second holder is arranged completely radially within the largest diameter of the filling device.
Eine besonders einfache und mit der Drehbewegung der Füllöffnungen kompatible Bahnkurve ergibt sich, wenn die Bahnkurve des ersten und/oder des zweiten Halters ein Abschnitt einer Kreisbahn, also ein Kreisbogen, ist. Die Krümmung des Abschnitts der Kreisbahn ist dabei nach außen gerichtet. Insbesondere kann vorgesehen sein, dass der Mittelpunkt der Kreisbahn auf der Drehachse der Füllvorrichtung liegt. Die Kreisbahn der Bahnkurve des ersten und/oder des zweiten Halters ist dann konzentrisch zur Drehachse der Füllvorrichtung.A particularly simple and compatible with the rotational movement of the filling openings trajectory is obtained when the trajectory of the first and / or the second holder is a portion of a circular path, so a circular arc. The curvature of the portion of the circular path is directed outwards. In particular, it may be provided that the center of the circular path lies on the axis of rotation of the filling device. The circular path of the trajectory of the first and / or the second holder is then concentric with the axis of rotation of the filling device.
Bevorzugt, weil nur außerhalb des leeren Sacks angreifend, können der erste und/oder der zweite Halter jeweils ein Mittel zum Ansaugen umfassen. Damit können erster und zweiter Halter von außen am leeren Sack angreifen, diesen ansaugen und öffnen. Ein Eingreifen in das Innere des Sacks ist nicht notwendig.Preferably, because only attacking outside of the empty bag, the first and / or the second holder may each comprise a means for sucking. This first and second holder can attack from the outside of the empty bag, this suck in and open. Intervention in the interior of the bag is not necessary.
Es kann vorgesehen sein, dass das Mittel zum Ansaugen des ersten und/oder des zweiten Halters bezüglich des restlichen Halters radial zur Drehachse verfahrbar ist. Durch das radiale Verfahren eines oder beider Mittel zum Ansaugen kann dann das Öffnen des Sacks bewirkt werden. Das Mittel zum Ansaugen kann etwa durch eine oder mehrere Saugdüsen verwirklicht sein.It can be provided that the means for sucking the first and / or the second holder with respect to the rest of the holder is movable radially to the axis of rotation. By the radial method of one or both means for suction then the opening of the bag can be effected. The means for sucking can be realized by about one or more suction nozzles.
Es kann auch vorgesehen sein, dass der erste und/oder der zweite Halter jeweils ein Mittel zum Anheben eines Sacks aus einer Übergabeposition in eine Füllposition umfasst. Wenn ein leerer Sack den beiden zusammenarbeitenden Haltern zugeführt wird, kann die Übergabeposition, wo der Sack an die Halter übergeben wird, in einem Abstand unterhalb der Füllöffnung, z.B. unterhalb des Füllstutzens, liegen. Um ein Befüllen ohne Verlust zu ermöglichen, muss der leere Sack von den Haltern nach oben zur Füllöffnung, am besten über die Füllöffnung hinaus, angehoben werden. Diese Mittel können z.B. Schwenkarme sein, welche dann die eigentlichen Haltemittel, also etwa die Mittel zum Ansaugen, anheben und dann wieder absenken können. Die Mittel zum Anheben können als Parallelogrammführung ausgeführt sein.It can also be provided that the first and / or the second holder each comprise a means for lifting a bag from a transfer position to a filling position. When an empty bag is fed to the two cooperating holders, the transfer position where the bag is transferred to the holders may be at a distance below the filling opening, e.g. below the filling, lie. In order to allow filling without loss, the empty bag must be lifted from the holders up to the filling opening, preferably beyond the filling opening. These agents may e.g. Be pivoting arms, which then the actual holding means, so about the means for sucking, lift and then lower again. The means for lifting can be designed as a parallelogram.
Bei der Ausführung der Mittel zum Anheben als Parallelogrammführung ergibt sich für die Mittel zum Ansaugen (oder ein anderes Mittel zum Halten des leeren Sacks) ebenfalls eine Bewegung mit radialer Komponente.In the embodiment of the means for lifting as parallelogram results for the means for suction (or another means for holding the empty bag) also a movement with radial component.
Der Zubringer, mit welchem ein leerer Sack einer Füllöffnung zuführbar ist, kann auch eine Schwenkeinrichtung umfassen, mit welcher ein leerer Sack aus einer Lagerposition, insbesondere einer horizontalen Position, in eine Übergabeposition, insbesondere eine senkrechte Position, zur Übergabe an die Halteeinrichtung verschwenkbar ist. Die Schwenkeinrichtung steht nicht in direkter Verbindung mit der rotierenden Füllvorrichtung, sondern ist raumfest radial außerhalb bzw. neben der Füllvorrichtung angeordnet. Die Schwenkeinrichtung führt die leeren Säcke der Halteeinrichtung zu, diese übernimmt sie von der Schwenkeinrichtung. Die Schwenkeinrichtung kann daher zwei Schwenkarme umfassen, die den gefalteten leeren Sack an den Kanten ergreifen und von der waagrechten Lage auf einem Stapel, der sich neben der Füllvorrichtung befindet, nach innen zur Füllvorrichtung hin und gleichzeitig nach oben in Richtung der Halteeinrichtung in eine Übergabeposition anhebt. Die Schwenkachse ist dabei vorzugsweise waagrecht angeordnet, insbesondere tangential zu einem gedachten Kreis um die Drehachse der Füllvorrichtung.The feeder with which an empty bag can be fed to a filling opening can also comprise a pivoting device with which an empty bag can be pivoted from a storage position, in particular a horizontal position, into a transfer position, in particular a vertical position, for transfer to the holding device. The pivoting device is not in direct communication with the rotating filling device, but is spatially fixed radially outside or next to the filling device. The pivoting device leads to the empty bags of the holding device, this takes them from the pivoting device. The pivoting means may therefore comprise two pivoting arms which grip the folded empty bag at the edges and lift from the horizontal position on a stack located next to the filling device inwardly towards the filling device and at the same time upwardly in the direction of the holding device into a transfer position , The pivot axis is preferably arranged horizontally, in particular tangentially to an imaginary circle about the axis of rotation of the filling device.
Zum einfachen Fixieren der Säcke an den Füllöffnungen kann vorgesehen sein, dass die Füllvorrichtung im Bereich der Füllöffnungen Fixiereinheiten aufweist, welche ausgebildet sind, einen Sack nach Lösen der Halteeinrichtung an der Füllöffnung in Füllposition halten. Diese Fixiereinheiten können beispielsweise an die Form der Füllöffnung, insbesondere die Form eines Füllstutzens, angepasste Klammern sein, die den Sack von außen gegen die Füllöffnung, insbesondere den Füllstutzen, pressen. Es können beispielsweise ein oder zwei Paar Fixiereinheiten eingesetzt werden. Ein Paar kann zur Sackübergabe verwendet werden und klemmt den Sack nur mittig der Füllvorrichtung, ein Paar hat eine an den Füllstutzen angepasste Form und umschließt den Füllstutzen.For easy fixing of the bags to the filling openings, it can be provided that the filling device has fixing units in the region of the filling openings, which are designed to hold a bag in the filling position after releasing the holding device at the filling opening. These fixing units may be, for example, to the shape of the filling opening, in particular the shape of a filler neck, adapted brackets which press the bag from the outside against the filling opening, in particular the filler neck. For example, one or two pairs of fixation units can be used. A pair can be used for bag handover and clamps the bag only in the center of the filling device, a pair has a shape adapted to the filler neck and surrounds the filler neck.
Zum Abnehmen eines gefüllten Sacks von einer Füllöffnung kann eine raumfest anordenbare (also nicht auf der Füllvorrichtung mitrotierende) Sackabnahmeeinrichtung vorgesehen sein, deren Greifmittel normal zur Drehachse der Füllvorrichtung verfahrbar, insbesondere verschwenkbar sind, wobei die Greifmittel entlang der selben offenen Bahnkurve in Umfangsrichtung (relativ zur Drehachse der Füllvorrichtung) vorwärts und rückwärts bewegbar sind. Grundsätzlich umfasst das Bewegen normal zur Drehachse sowohl eine Bewegungskomponente radial zur Drehachse als auch eine Bewegungskomponente in Umfangsrichtung, also eine Bewegung längs und/oder tangential zu einem gedachten Kreis um die Drehachse. Durch die Bewegung der Greifmittel in Umfangsrichtung vorwärts können die Greifmittel der Drehung der Füllvorrichtung folgen, während sie den Sack greifen und diesen dann abziehen und, z.B. auf einer weiteren Fördereinrichtung, absetzen. Um den nächsten Sack greifen zu können, müssen die Greifmittel in Umfangsrichtung rückwärts bewegt werden. Anschließend folgen sie wieder der Drehung der Fördervorrichtung, und so fort.To remove a filled bag from a filling opening, a bag-detachable device (that is not co-rotating on the filling device) can be provided, the gripping means of which can be moved, in particular pivotable, normal to the axis of rotation of the filling device, wherein the gripping means along the same open trajectory in the circumferential direction (relative to Axis of rotation of the filling device) are movable forwards and backwards. Basically, moving normal to the axis of rotation comprises both a component of motion radial to the axis of rotation and a component of motion in the circumferential direction, ie a movement along and / or tangential to an imaginary circle about the axis of rotation. By the movement of the gripping means in the circumferential direction forward, the gripping means can follow the rotation of the filling device while gripping the bag and then pulling it off and, e.g. on another conveyor, settle. In order to grip the next bag, the gripping means must be moved backwards in the circumferential direction. Then they follow the rotation of the conveyor again, and so on.
Die Bewegung der Greifmittel in Umfangsrichtung kann durch eine Führung, wie eine Kulisse, vorgegeben sein, die Bahnkurve kann dann eine gerade oder gekrümmte Strecke, insbesondere ein Kreisbogen, vorzugsweise ein zur Drehachse der Füllvorrichtung konzentrischer Kreisbogen sein. Oder die Greifmittel können zwischen zwei Schwenkarmen mit Schwenkachsen parallel zur Drehachse der Füllvorrichtung aufgehängt sein, um eine Bewegung in Umfangsrichtung zu erzielen.The movement of the gripping means in the circumferential direction can be predetermined by a guide, such as a link, the trajectory can then be a straight or curved path, in particular a circular arc, preferably a circular arc concentric with the axis of rotation of the filling device. Or the gripping means may be suspended between two pivoting arms with pivot axes parallel to the axis of rotation of the filling device in order to achieve a movement in the circumferential direction.
Die Greifmittel der Sackabnahmeeinrichtung können zusätzlich von oben nach unten verfahrbar oder verschwenkbar sein, um einen gefüllten Sack nach unten von der Füllöffnung abzuziehen.The gripping means of the bag removal device may additionally be movable or pivotable from top to bottom in order to pull a filled bag downwards from the filling opening.
Zum Verdichten des Schüttguts in den Säcken kann unterhalb jeder Füllöffnung eine Rüttelplatte vorgesehen sein, die von der Füllöffnung gesehen nach außen geneigt ist, sodass gefüllte Säcke auf der Rüttelplatte aufliegen. Eine derartige Rüttelplatte kann nicht nur für die erfindungsgemäße Vorrichtung, sondern für jede Vorrichtung zum Transportieren und Befüllen von Säcken, vorzugsweise von Offensäcken, umfassend eine um eine Drehachse rotierbare Füllvorrichtung mit mehreren, über den Umfang der Füllvorrichtung verteilten Füllöffnungen verwendet werden.For compacting the bulk material in the bags may be provided below each filling opening a vibrating plate, which from the filling opening is inclined outwards so that filled bags rest on the vibrating plate. Such a vibrating plate can be used not only for the device according to the invention, but also for any device for transporting and filling bags, preferably open-mouth bags, comprising a filling device rotatable about a rotation axis and having a plurality of filling openings distributed over the circumference of the filling device.
Insbesondere kann in einem Endabschnitt der Rüttelplatte, welcher von der Füllöffnung entfernt ist, eine zur Füllöffnung hin verschwenkbare Klappe vorgesehen sein, um einen gefüllten Sack im Bodenbereich zu unterstützen. Diese Klappe dient zur Entlastung des Sackmaterials und bedingt dadurch eine Ausbauchung des Sackes, wodurch wiederum eine bessere Befüllung und damit eine Senkung des Füllgrades gegeben sind. Ein oder mehrere Stöße der Klappe auf den Boden des Sacks beim Hochklappen können ebenfalls zur Verdichtung des Schüttguts im Sack beitragen.In particular, in one end section of the vibrating plate, which is remote from the filling opening, a flap which can be pivoted towards the filling opening can be provided in order to support a filled bag in the bottom area. This flap is used to relieve the bag material and thereby causes a bulging of the bag, which in turn gives better filling and thus a reduction in the degree of filling. One or more impacts of the flap on the bottom of the bag when folding up can also contribute to the compression of the bulk material in the bag.
Das Verfahren zum Transportieren und Befüllen von Säcken, vorzugsweise von Offensäcken, mit einer erfindungsgemäßen Vorrichtung geht davon aus, dass die Füllvorrichtung mit mehreren, über den Umfang der Füllvorrichtung verteilten Füllöffnungen mit konstanter Geschwindigkeit rotiert, wobei ein Zubringer einen leeren Sack einer Füllöffnung zuführt, wobei der Zubringer zumindest eine Halteeinrichtung für einen Sack umfasst, die normal zur Drehachse der Füllvorrichtung bewegbar ist. Dabei ist vorgesehen, dass zwei getrennte Halter der Halteeinrichtung gemeinsam einen leeren Sack an einer Übergabeposition übernehmen, die Halter jeweils entlang der offenen Bahnkurve synchron vorwärts bewegt werden, während der Sack an der Füllvorrichtung befestigt wird, die Halter den Sack freigegen und anschließend die Halter jeweils entlang der selben offenen Bahnkurve, insbesondere synchron, rückwärts in die Übergabeposition bewegt werden, um erneut einen leeren Sack zu übernehmen.The method for transporting and filling bags, preferably open-mouth bags, with a device according to the invention assumes that the filling device rotates at a constant speed with a plurality of filling openings distributed over the circumference of the filling device, with one feeder feeding an empty bag to a filling opening the feeder comprises at least one holding device for a bag, which is movable normal to the axis of rotation of the filling device. It is envisaged that two separate holders of the holding device together take over an empty bag at a transfer position, the holders are moved along the open trajectory synchronously forward while the bag is attached to the filling device, the holder release the bag and then the holder respectively along the same open trajectory, in particular synchronously, are moved backwards to the transfer position to take over again an empty bag.
Unter synchroner Bewegung wird hier verstanden, dass sich erster und zweiter Halter mit der gleichen Winkelgeschwindigkeit bewegen und radial miteinander fluchten. Die Vorwärtsbewegung sollte am besten synchron erfolgen, weil sonst der Sack, genauer seine Öffnung, keine definierte Position aufweist. Es wäre auch eine nicht synchrone Vorwärtsbewegung (und damit eine Relativbewegung der z.B. Mittel zum Ansaugen in Umfangsrichtung) denkbar, vorzugsweise während der kurzen Zeit des Sacköffnens, um die Sacköffnung zu erleichtern, etwa wenn die Säcke elektrostatisch aufgeladen sind. Auch die Rückwärtsbewegung der Halter wird in der Regel synchron sein, müssen doch die Halter zum gleichen Zeitpunkt wieder in der Übergabeposition sein.Here, synchronous movement is understood to mean that first and second holders move at the same angular velocity and are aligned radially with one another. The forward movement should be done synchronously best, because otherwise the bag, more precisely its opening, has no defined position. It would also conceivable non-synchronous forward movement (and thus a relative movement of the means for suction in the circumferential direction), preferably during the short time of Sack Sacks to facilitate the bag opening, such as when the bags are charged electrostatically. The backward movement of the holder will usually be synchronous, but the holder must be in the transfer position again at the same time.
Die Erfindung wird nun anhand eines Ausführungsbeispiels näher erläutert. Die Zeichnungen sind beispielhaft und sollen den Erfindungsgedanken zwar darlegen, ihn aber keinesfalls einengen oder gar abschließend wiedergeben.The invention will now be explained in more detail with reference to an embodiment. The drawings are exemplary and are intended to illustrate the inventive idea, but in no way restrict it or even reproduce it.
Dabei zeigt:
- Fig. 1
- eine Überblicksansicht einer erfindungsgemäßen Vorrichtung in perspektivischer Darstellung von oben,
- Fig. 2
- die Vorrichtung beim Aufnehmen eines Sacks in perspektivischer Darstellung,
- Fig. 3
- die Vorrichtung beim Aufnehmen eines Sacks im Grundriss,
- Fig. 4
- die Vorrichtung beim Aufnehmen eines Sacks in Seitenansicht,
- Fig. 5
- die Vorrichtung nach dem Hochschwenken eines Sacks in perspektivischer Darstellung,
- Fig. 6
- die Vorrichtung nach dem Hochschwenken eines Sacks im Grundriss,
- Fig. 7
- die Vorrichtung nach dem Hochschwenken eines Sacks in Seitenansicht,
- Fig. 8
- die Vorrichtung beim Aufstecken eines Sacks auf die Füllöffnung in perspektivischer Darstellung,
- Fig. 9
- die Vorrichtung beim Aufstecken eines Sacks auf die Füllöffnung im Grundriss,
- Fig. 10
- die Vorrichtung beim Aufstecken eines Sacks auf die Füllöffnung in Seitenansicht,
- Fig. 11
- die Vorrichtung beim Füllen eines Sacks in perspektivischer Darstellung,
- Fig. 12
- die Vorrichtung beim Füllen eines Sacks im Grundriss,
- Fig. 13
- die Vorrichtung beim Füllen eines Sacks in Seitenansicht,
- Fig. 14
- die Vorrichtung beim Einfahren der Sackabnahmeeinrichtung in perspektivischer Darstellung,
- Fig. 15
- die Vorrichtung beim Einfahren der Sackabnahmeeinrichtung im Grundriss,
- Fig. 16
- die Vorrichtung beim Einfahren der Sackabnahmeeinrichtung in Seitenansicht,
- Fig. 17
- die Vorrichtung vor dem Abziehen des gefüllten Sacks in perspektivischer Darstellung,
- Fig. 18
- die Vorrichtung vor dem Abziehen des gefüllten Sacks im Grundriss,
- Fig. 19
- die Vorrichtung vor dem Abziehen des gefüllten Sacks in Seitenansicht,
- Fig. 20
- die Vorrichtung nach dem Rückschwenken der Sackabnahmeeinrichtung in perspektivischer Darstellung,
- Fig. 21
- die Vorrichtung nach dem Rückschwenken der Sackabnahmeeinrichtung im Grundriss,
- Fig. 22
- die Vorrichtung nach dem Rückschwenken der Sackabnahmeeinrichtung in Seitenansicht,
- Fig. 23
- die Vorrichtung mit montierter Führung des zweiten Halters in perspektivischer Darstellung,
- Fig. 24
- die vollständige Darstellung der Halter gemäß
Fig. 8 , - Fig. 25
- die vollständige Darstellung der Halter gemäß
Fig. 9 .
- Fig. 1
- an overview view of a device according to the invention in a perspective view from above,
- Fig. 2
- the device when picking up a bag in perspective,
- Fig. 3
- the device when picking up a bag in plan,
- Fig. 4
- the device when picking up a bag in side view,
- Fig. 5
- the device after the swinging up of a bag in a perspective view,
- Fig. 6
- the device after swinging up a bag in plan,
- Fig. 7
- the device after swinging up a bag in side view,
- Fig. 8
- the device when attaching a bag to the filling opening in perspective,
- Fig. 9
- the device when putting a bag on the filling opening in plan,
- Fig. 10
- the device when attaching a bag to the filling opening in side view,
- Fig. 11
- the device when filling a bag in perspective,
- Fig. 12
- the device when filling a bag in plan,
- Fig. 13
- the device when filling a bag in side view,
- Fig. 14
- the device when retracting the bag removal device in a perspective view,
- Fig. 15
- the device when retracting the bag removal device in plan,
- Fig. 16
- the device when retracting the bag removal device in side view,
- Fig. 17
- the device before pulling off the filled bag in perspective view,
- Fig. 18
- the device before removing the filled bag in plan,
- Fig. 19
- the device before removing the filled bag in side view,
- Fig. 20
- the device after the return pivoting of the bag removal device in a perspective view,
- Fig. 21
- the device after pivoting back the bag removal device in plan,
- Fig. 22
- the device after pivoting back the bag removal device in side view,
- Fig. 23
- the device with mounted guide of the second holder in a perspective view,
- Fig. 24
- the complete illustration of the holder according to
Fig. 8 . - Fig. 25
- the complete illustration of the holder according to
Fig. 9 ,
Die Füllvorrichtung 2 weist eine im Betriebszustand senkrecht angeordnete Drehsäule 9 auf, die um eine Drehachse 10 rotierbar ist. Die Füllvorrichtung 2 dreht sich hier mit konstanter Geschwindigkeit gegen den Uhrzeigersinn. Selbstverständlich kann die Füllvorrichtung 2 bei entsprechend gespiegelter Anordnung der erfindungsgenäßen Vorrichtung auch im Uhrzeigersinn bewegt werden. Mit an der Füllvorrichtung 2 beweglich gelagerten Klammern 11, die an die Form des Füllstutzens 3 angepasst sind, können die Säcke 1 am Füllstutzen 3 durch Klemmung fixiert werden. Der hier kreisscheibenförmig ausgebildete Träger 16 der Füllvorrichtung 2 trägt einerseits die oberhalb des Trägers 16 befindlichen Fülltrichter 4 und die unterhalb des Trägers 16 angeordneten Füllstutzen 3. Der Durchmesser des Trägers 16 bildet damit in diesem Beispiel den größten Durchmesser der Füllvorrichtung 2.The filling
Von der Halteeinrichtung 5 ist in
Die
Der zweite Halter 13 befindet sich, in Drehrichtung der Füllvorrichtung 2 gesehen, zu diesem Zeitpunkt ganz am Anfang der Führung 14 und kann bereits jetzt in radialer Richtung mit einer Füllöffnung 15 fluchten. Zum Zeitpunkt der Schwenkbewegung der Schwenkeinrichtung 6 müssen sich die Halter 12, 13 noch nicht zwangsläufig am Anfang der Führung 14 befinden. Die Schwenkeinrichtung 6 kann, bei vertikaler Position des Sacks 1 (siehe
In
Die Halter 12, 13 bzw. deren Saugdüsen 19 befinden sich in den
Die Bahnkurven der Halter 12, 13 sind als zur Drehachse 10 konzentrische Kreisbögen ausgebildet und verlaufen daher parallel zueinander. Die Bahnkurve des ersten Halters 12, genauer die Bahnkurve der Lagerung der Schwenkarme 17, verläuft innerhalb der Füllöffnungen 15, die Bahnkurve des zweiten Halters 13, genauer die durch die Führung 14 festgelegte Bahnkurve, verläuft außerhalb der Füllöffnungen 15. Die Führung 14 des zweiten Halters 13 ist radial außerhalb des Trägers 16 angeordnet, der zweite Halter 13 liegt stets teilweise radial innerhalb und teilweise radial außerhalb des Trägers 16 bzw. des größten Durchmessers der Füllvorrichtung 2.The trajectories of the
Die Halter 12, 13 werden, wie noch beschrieben wird, getaktet um die Drehachse 10 bewegt, nämlich immer ein Stück um die Drehachse 10 in eine Richtung rotiert und anschließend ein Stück in die andere Richtung und dann wieder ein Stück in die eine Richtung, und so weiter, während die Füllvorrichtung 2 mit konstanter Geschwindigkeit kontinuierlich um die Drehachse 10 rotiert, also weder die Drehrichtung noch die Drehgeschwindigkeit ändert.The
Die
Die
Während dieser Vorgänge - Öffnen und Aufstecken des Sacks 1 - bewegt sich der zweite Halter 13 längs der Führung 14 synchron mit der Füllvorrichtung 2 mit, hat also die gleiche Winkelgeschwindigkeit in Bezug zur Drehachse 10 der Drehsäule 9 wie die Füllvorrichtung 2. Auch der erste Halter 12 wird synchron mit der Füllvorrichtung 2 mitbewegt, hat also die gleiche Winkelgeschwindigkeit in Bezug zur Drehachse 10 der Drehsäule 9. Statt dem um die Drehachse 10 drehbaren Arm 26 (siehe
Der erste Halter 12 wird nach dem Befestigen des Sacks 1 durch die Klammern 1 am Füllstutzen 3 wieder durch eine Drehbewegung des Arms 26 in die Übergabeposition gemäß den
Die
Die
In den
Die
Die
- 11
- Sackbag
- 22
- Füllvorrichtungfilling
- 33
- Füllstutzenfilling
- 44
- Fülltrichterhopper
- 55
- Halteeinrichtungholder
- 66
- SchwenkeinrichtungPivot means
- 77
- SackabnahmeeinrichtungBag removal device
- 88th
- Rüttelplatterüttelplatte
- 99
- Drehsäulerotating column
- 1010
- Drehachseaxis of rotation
- 1111
- Klammerclip
- 1212
- erster Halterfirst holder
- 1313
- zweiter Haltersecond holder
- 1414
-
Führung für den zweiten Halter 13Guide for the
second holder 13 - 1515
- Füllöffnungfill opening
- 1616
- Trägercarrier
- 1717
- Schwenkarmeswing arms
- 1818
- Kolbenpiston
- 1919
- Saugdüse (Mittel zum Ansaugen)Suction nozzle (suction means)
- 2020
-
Führung für die Absackvorrichtung 7Guide for the
bagging device 7 - 2121
- Armpoor
- 2222
- Armpoor
- 2323
- Greifmittelgripping means
- 2424
- Klappeflap
- 2525
- Steherstayer
- 2626
- drehbarer Armrotatable arm
Claims (14)
- A device for transporting and filling bags (1), preferably open bags, comprising a filling device (2), which is rotatable about an axis of rotation (10), having multiple filling openings (15) distributed over the circumference of the filling device, and comprising a feeder, using which an empty bag can be fed to a filling opening, wherein the feeder comprises at least one holding unit (5) for a bag (1), which is movable normally to the axis of rotation (10) of the filling device (2), characterized in that the holding unit (5) has two separate holders (12, 13), wherein the holders are each movable forward and backward along the same open trajectory, wherein the first holder (12) is mounted so it is movable on the filling device (2), while the second holder (13) is mounted so it is movable on a spatially-fixed guide (14).
- The device according to Claim 1, characterized in that first and second holder (12, 13) are movable in parallel to one another.
- The device according to any one of the preceding claims, characterized in that the first holder (12) is mounted so it is movable inside the filling openings (15) and the second holder (13) is mounted so it is movable outside the filling openings (15).
- The device according to any one of the preceding claims, characterized in that the second holder (13) is located at least partially radially inside the largest diameter of the filling device (2).
- The device according to any one of the preceding claims, characterized in that the trajectory of the first and/or the second holder (12, 13) is a section of a circular path.
- The device according to Claim 5, characterized in that the center point of the circular path lies on the axis of rotation (10) of the filling device (2).
- The device according to any one of the preceding claims, characterized in that the first and/or the second holder (12, 13) each comprise a means (19) for suctioning.
- The device according to Claim 7, characterized in that the means (19) for suctioning of the first and/or the second holder (12, 13) is movable radially in relation to the axis of rotation (10) with respect to the remaining holder.
- The device according to any one of the preceding claims, characterized in that the first and/or the second holder (12, 13) each comprises a means for lifting a bag (1) from a transfer position into a filling position.
- The device according to any one of the preceding claims, characterized in that the feeder comprises a pivot unit (6), using which an empty bag (1) is pivotable from a storage position, in particular a horizontal position, into a transfer position, in particular a vertical position, for transfer to the holding unit (5).
- The device according to any one of the preceding claims, characterized in that a bag removal unit (7), which can be arranged spatially-fixed, is provided for removing a filled bag (1) from a filling opening (15), the gripping means (23) of which are movable, in particular pivotable, normally to the axis of rotation (10) of the filling device (2), wherein the gripping means (23) are movable forward and backward along the same open trajectory in the circumferential direction.
- The device according to any one of the preceding claims, characterized in that, for compacting the bulk material in the bags (1), a vibration plate (8) is provided below each filling opening (15), which is inclined outward viewed from the filling opening, so that filled bags (1) rest on the vibration plate (8).
- The device according to Claim 12, characterized in that a flap pivotable toward the filling opening is provided in an end section of the vibration plate (8), which is remote from the filling opening (15), to support a filled bag (1) in the bottom region.
- A method for transporting and filling bags (1), preferably open bags, using a device according to any one of Claims 1 to 13, wherein the filling device (2), having multiple filling openings (15) distributed over the circumference of the filling device, rotates at constant velocity, wherein a feeder feeds an empty bag (1) to a filling opening (15), wherein the feeder comprises at least one holding unit (5) for a bag, which is movable normally to the axis of rotation (10) of the filling device (2), characterized in that two separate holders (12, 13) of the holding unit jointly accept an empty bag (1) at a transfer position, the holders (12, 13) move forward synchronously along the open trajectory, while the bag (1) is fastened on the filling device (2), the holders (12, 13) release the bag (1), and subsequently the holders (12, 13) are each moved backwards, preferably synchronously, along the same open trajectory into the transfer position.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17154247.5A EP3357816B1 (en) | 2017-02-01 | 2017-02-01 | Method and device for transporting and filling bags |
ES17154247T ES2753205T3 (en) | 2017-02-01 | 2017-02-01 | Apparatus and procedure for transporting and filling bags |
CA2991989A CA2991989A1 (en) | 2017-02-01 | 2018-01-15 | Device and method for transporting bags |
US15/871,316 US11305904B2 (en) | 2017-02-01 | 2018-01-15 | Device and method for transporting bags |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP17154247.5A EP3357816B1 (en) | 2017-02-01 | 2017-02-01 | Method and device for transporting and filling bags |
Publications (2)
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EP3357816A1 EP3357816A1 (en) | 2018-08-08 |
EP3357816B1 true EP3357816B1 (en) | 2019-07-31 |
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EP17154247.5A Active EP3357816B1 (en) | 2017-02-01 | 2017-02-01 | Method and device for transporting and filling bags |
Country Status (4)
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US (1) | US11305904B2 (en) |
EP (1) | EP3357816B1 (en) |
CA (1) | CA2991989A1 (en) |
ES (1) | ES2753205T3 (en) |
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Also Published As
Publication number | Publication date |
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ES2753205T3 (en) | 2020-04-07 |
EP3357816A1 (en) | 2018-08-08 |
CA2991989A1 (en) | 2018-08-01 |
US20180215489A1 (en) | 2018-08-02 |
US11305904B2 (en) | 2022-04-19 |
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