EP2897870A1 - Dispositif et procédé de traitement de piles de sacs - Google Patents

Dispositif et procédé de traitement de piles de sacs

Info

Publication number
EP2897870A1
EP2897870A1 EP13785819.7A EP13785819A EP2897870A1 EP 2897870 A1 EP2897870 A1 EP 2897870A1 EP 13785819 A EP13785819 A EP 13785819A EP 2897870 A1 EP2897870 A1 EP 2897870A1
Authority
EP
European Patent Office
Prior art keywords
centering
bag
processing device
stack
sack
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13785819.7A
Other languages
German (de)
English (en)
Other versions
EP2897870B1 (fr
Inventor
Bernd STEPPELER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP2897870A1 publication Critical patent/EP2897870A1/fr
Application granted granted Critical
Publication of EP2897870B1 publication Critical patent/EP2897870B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16—Feeding individual bags or carton blanks from piles or magazines by grippers
    • B65B43/18—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • 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
    • B65B43/20—Feeding individual bags or carton blanks from piles or magazines by reciprocating or oscillating pushers
    • 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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/101—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting on the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width

Definitions

  • the present invention relates to a device and a
  • the device can serve for centering the sacks of a sack stack. It is possible that the device subsequently serves for singulating the sacks of the sack stack and, moreover, also opens the separated sacks to one
  • Filler appends, if necessary z.
  • B. fills with a bulk material, closes and removed.
  • DE 10 2011 113 879.3 describes a processing apparatus and a method for processing bag stacks, wherein the bags are separated with the processing device and
  • Sack stack can come. This leads even with a minimal sideways movement of the bag possibly to an oblique or staggered attachment of the bag to the filler neck, so that the processing speed drops or even an intervention in the operation is necessary.
  • a processing device serves for
  • At least one depositing device is provided, on which the stack of sacks can be arranged in a basic position.
  • the sacks of the sack stack have a sack length and a sack width.
  • At least one centering device is provided, which comprises at least two oppositely disposed centering units, which are arranged with a drive device movable relative to one another toward and away from one another.
  • the processing device according to the invention has many advantages.
  • the processing device according to the invention allows a
  • centering units located opposite the centering units directly opposite. It is also possible that the arranged on different sides centering units are arranged in the longitudinal direction in each case offset from one another. It is possible that the number of centering units on the one side differs from the number of centering units on the other side. For example, 4 or more centering units may be provided longitudinally on one side 2, 3, while on the other side, for example. B. only one or a centering unit less or even half or any other number of centering units or a continuous centering is provided. It is essential here that a centering between the opposite centering units is possible.
  • the drive device comprises at least one belt.
  • at least one centering unit can be coupled or coupled to the belt at least temporarily.
  • a drive device provided with at least one belt offers many advantages.
  • the belt is designed as a rotating belt and is about
  • deflected two or more pulleys For example, deflected two or more pulleys.
  • the belt is driven on such a deflection roller with a drive unit or drive means.
  • a linear drive acts directly on the upper or lower run of the belt and drives the belt by a linear movement.
  • Drive device at least temporarily coupled or coupled. If the drive device has, for example, two or more belts arranged in particular in parallel, then it is possible that a centering unit with a first belt is at least temporarily coupled and that a second
  • Centering unit with a second belt at least temporarily coupled it is preferred, in particular in the case of processing devices which are not very large, to provide only a small number of belts and, in particular, only one belt, to which the centering units then face
  • lying sides are at least temporarily coupled.
  • At least one centering unit provided on a first side is preferably coupled to the lower run of at least one circulating belt at least temporarily or at least temporarily.
  • At least one centering unit provided on a second side is at least temporarily coupled or can be coupled to the upper strand of at least one circulating belt.
  • appropriate distance between the centering units is adjustable.
  • the distance can be adjusted via the size of the rotation angle or the size of the linear movement of the belt.
  • the storage device a larger footprint than the sack stack.
  • a width of the storage device is greater than the width of the bags of the bag stack and it is also the length of the storage device greater than the length of the bags of the bag stack. This ensures that the bag stack rests completely on the storage device at all times. The sack stack is not over on the side.
  • At least one centering unit is designed as a centering finger or includes such. It is also possible and preferred for at least one centering unit to comprise or comprise at least one tine or centering tine.
  • At least one centering unit is particularly preferred
  • At least one centering unit protrudes from below through the storage device upwards.
  • Storage device which may have, for example, on the surface of a plate, the stack of bags is arranged, which by the projecting from below centering on the
  • Storage device can be centered or positioned arbitrarily.
  • At least one centering unit protrudes at least temporarily from above into the groove in the storage device or down through the groove in the storage device.
  • At least one centering unit in a first position below the storage device as a whole or at least below a plate of the storage device
  • Such a configuration allows a simple positioning of the bag stack on the storage device, since in particular the arranged on one side centering units can be moved to the first position when a
  • Sack stack is to be positioned on the storage device. Due to the fact that on the side from which the sack stack of the Storage device is supplied, the centering units are moved before the positioning of the bag stack in the first position, these are not in the positioning of the bag stack on the storage device upwards and thus hinder the positioning of the bag stack at the home position not. In this variant, the sacks are centered within the sack stack. However, a movement of the bag stack as a whole does not have to take place during centering. Therefore, the term centering in the sense of this application is to be understood as an exact positioning.
  • a second position of the centering unit is provided in which the centering unit dives from below through the groove upwards and in particular pivots.
  • the centering unit protrudes through the groove over the top of the plate of the storage device addition. In this position can then be carried out a positioning of the sack stack.
  • At least one adjustable and in particular exactly one adjustable stop is provided which defines a bag width and thus
  • the adjustable stop can be provided in particular movable.
  • the adjustable stop may be associated with a path detection device to allow an automatically controlled adjustment of the bag width.
  • a corresponding drive can be provided, which is designed for example as a linear drive or otherwise adjusted the adjustable stop.
  • the adjustable stop can be provided on a rotatable spindle.
  • the distance detection device can directly measure a distance or, for example, via a
  • At least one centering unit is coupled to the belt via a coupling mechanism or can be coupled.
  • Such a coupling mechanism allows the targeted coupling and decoupling of the centering of the belt.
  • the centering unit comprises at least one spring device. Via a spring mechanism or a spring device, it is possible that the centering unit is decoupled from the belt, for example, if the centering unit is held separately or moved separately. After switching off the acting forces such a spring device leads to an automatic production of a ground state, without a further drive is necessary.
  • the coupling mechanism comprises at least one
  • Coupling unit and at least one movable stop Coupling unit and at least one movable stop.
  • the drive device comprises a cylinder with an extendable piston rod
  • the piston rod is fixedly connected to a movable stop, which on one. Sliding guide or the like is movably arranged. Only when the movable stop is extended to the coupling rod so far that the coupling unit comes into engagement with the movable stop, there is a further synchronous movement of the coupling unit and the movable stop.
  • a centering unit is only moved on one side when the centering unit on the other side has already laid back a part or even a considerable part of the way.
  • This is particularly advantageous when the centering unit is initially arranged on the other side below the storage device and must first be pivoted upwards. In that case, it makes sense to move the centering units towards one another only when the centering unit initially provided below the depositing device has already been pivoted upwards.
  • This can be a total smaller processing device can be made available, which does not require as much lateral space.
  • the coupling mechanism is therefore adapted and designed, at least in a second position a
  • the coupling mechanism is designed and configured to establish a coupling from a second position, so that in one to the second
  • the coupling mechanism is designed and arranged such that in the first position, a coupling between the centering unit and the belt is at least substantially canceled.
  • both centering units can be made pivoting, so that both centering units always have to travel the same way. It is possible a separate drive unit for the passage of at least one
  • the sack stack is positioned. This is particularly advantageous when bags are present in a stack of sacks that tend to slide slightly laterally during positioning. If, during the processing of such a stack of sacks, the sack stack is positioned directly on a lateral end stop, such slipping of individual sacks or a part of the sack stack can be considerably better
  • the centering device can also serve in total for the further processing of the sacks of the sack stack in particular for guiding the sacks.
  • at least two centering units are provided on each side in order to allow good guidance in the longitudinal direction.
  • the sacks to be processed are designed as open sacks and have a sack length and an open filling end at one end.
  • at least one marking device is provided.
  • the bag transport device is
  • At least one bag transport device is provided. If a marking device is provided, the open sacks in the receiving position can be provided with at least one marking.
  • the bag transport device grips the topmost open bag at its open filling end.
  • the bag transport device has in particular at least one suction device.
  • the suction device can be arranged extendable on the bag transport device. A distance of the pickup position from the home position is in particular smaller than half the bag length and preferably smaller than a quarter of the bag length.
  • the bag transport device is in particular pivotable
  • the bag transport device preferably acts in its mode of action at the open filling end.
  • the gripper device of the pivoting device is particularly suitable to take in a first pivot position, the open end of the offensive bag in the receiving position.
  • the gripper device of the swiveling device is preferably suitable for transferring the open sack to a sack opening device and / or to a sack hitch device in a second swivel position.
  • a pivot axis of the pivoting device is suitable for pivoting the open filling end of the open-end bag into a transfer position.
  • At least one filler neck are provided for filling the open sacks.
  • At least one closing device for closing the open filling end of the open sacks is also preferred.
  • a discharge device may be provided for discharging.
  • the inventive method is used for processing at least one bag stack with a plurality of bags.
  • the bag stack is positioned in a basic position on a storage device.
  • the sacks of the sack stack have a sack length and a sack width.
  • the centering device With at least one centering device, the sack stack is centered.
  • the centering device comprises at least two opposing centering units. In this case, the centering units are movable toward one another and away from one another via a drive device relative to one another
  • the method according to the invention also has many advantages.
  • the inventive method allows reliable processing of sack stacks, in which the sacks within the sack stack can be centered.
  • open sacks are processed as sacks, which are closed at its bottom end and having an opening at its head end.
  • other types of bags or tubular film pieces are processed. It is also possible in particular that stacks of valve bags are centered according to the invention.
  • Fig. 1 is a schematic perspective of the
  • FIG. 2 shows the processing device according to FIG. 1 in a highly schematic view with omitted components
  • Fig. 2b is a plan view of an open bag after done
  • FIG. 3 is a side view of parts of the processing apparatus of FIG. 2; FIG.
  • Fig. 5 shows the processing apparatus of Fig. 3 in a third
  • FIG. 6 shows the processing device according to FIG. 3 in a fourth view
  • FIG. 12 shows a highly schematic processing device in a lateral view
  • FIG. 13 shows the centering device of the processing device according to FIG. 2 in a first position
  • FIG. 14 shows the centering device of the processing device according to FIG. 2 in a second position
  • FIG. 15 shows the centering device of the processing device according to FIG. 2 in a third position
  • FIG. 1 shows an overall perspective view of a packing Machine 100, which comprises a processing device 1.
  • a silo 35 is provided, from which the bulk material 26 to be filled is fed to a metering and weighing device 36.
  • Open bag 3 is filled. Below the metering device 36, the product supply 29 is provided, which ends in the filler neck 30 not visible in FIG.
  • a panel 34 surrounds the processing device 1.
  • a bag stacking magazine 33 serves to receive a number of
  • the filled open sacks 3 are about a
  • Discharge device 32 transported away.
  • Fig. 2 shows the processing apparatus 1, wherein in the
  • the product feed 29 can be seen in the upper region and opens into the filler neck 30.
  • a sack stack 2 is supplied to the delivery table 4.
  • the storage table 4 here has dimensions that can correspond approximately to the bag length 6 and the bag width 48. In particular, open sacks 3 with variable bag length 6 can also be processed.
  • a sack stack 2 is centered with a centering device 50 (not shown in FIG. 2).
  • a centering device 50 will be described in detail below with reference to FIGS. 12 to 17.
  • Centering device 50 through the provided on both sides 46, 47 grooves 45 of the tray table 4 from the outside to the stack of sacks.
  • the tines 52 are pivoted up on the side 47 from below and then moved toward the stack of sacks 2, so that the sack stack 2 is centered.
  • the processing device 1 also works without such a centering device 50.
  • it has become pointed out that it can happen in particular with relatively many open sacks 3 in a sack stack 2 and / or at a relatively high processing speed that the open sacks 3 of the sack stack 2 slip sideways or are easily taken obliquely.
  • a high-precision and fast filling of open-mouth sacks 3 can be impaired.
  • the tines 51 and 52 of the centering device 50 may be located below the depositing device 4, depending on the embodiment, when a new stack of sacks 2 is positioned on the depositing device 4 in order to enable the sack stack to be pushed onto the depositing device 4.
  • the sack bottom may migrate laterally. This reliably prevents guidance by the centering device 50.
  • the lifter 27 and the fixing device 28 are provided to lift the bottom end of an opener bag 3 arranged on the tray 4. Following the lifting of the bottom end of the remaining underlying stack of sacks 2 is fixed with the fixing device 28.
  • the bag transport device 12 can be seen, which has at the lower end here via a suction device 15 or in other cases via a friction wheel for gripping the open filling end 8 of an open bag 3.
  • Swivel device 18 comprises two pivot arms, each with grippers arranged at its end. The pivoting device is used to take over a separated offensive bag 3 and for transfer and transfer to a bag opening device 22 and a
  • Sackansburg which finally attach the open opener bag 3 to the filler neck 30.
  • the upper transport device 41 may comprise a closing device 31 for closing the open sacks 3 or a separate closing device is connected downstream.
  • the filled open bag 3 is finally transferred to the discharge belt 32 and discharged.
  • FIG. 2b a highly schematic open sack 3 is shown by way of example in a plan view or a view from below.
  • the open bag 3 is provided with a marking 7 which has been applied by the marking device 25.
  • the marking device 25 is arranged here essentially below the depositing device 4 and brings the marking 7 in the
  • Mark 7 here has a designation 42 ("XXX") and here a date 43 ("31.12.20").
  • the designation 42 can the
  • the date 43 may indicate the minimum shelf life or, for example, reflect or contain the date of filling and / or the date of production. It is possible that a plurality of designations 42 and / or a plurality of data 43 may be noted on the open bag 3.
  • the data can be printed, stamped or z. B. be applied with a laser. Also one Electronic data transmission in a readable memory is possible.
  • 3 shows a schematic side view of some essential components of the processing apparatus 1. In the process, some components and the housing of the processing apparatus have been omitted in order to facilitate the overview and to explain the function.
  • the processing device 1 has a height-adjustable
  • the stack of sacks 2 comprises a plurality of open sacks 3, each having a sack length 6 and sack width 48.
  • the open sacks 3 are aligned with their open Einberichtde 8 respectively to the front end of the storage device 4, while the sack bottom 10 is arranged stacked at the rear end of the storage device 4, respectively.
  • the open sacks 3 have a
  • Bag length 6 which corresponds approximately to the length of the storage device 4. However, it is also possible to use longer and in particular shorter open sacks 3.
  • To adjust the position of the lifting device 27 and the fixing device 28 is a
  • Adjustment device 40 is provided, which is movable in the direction of the bag length 6.
  • the lifting device 27 has grasped and raised the rear end of the open bag 3 in the vicinity of the bag bottom 10.
  • the fixing device 28 has moved under the uppermost bag 13 and has fixed the remaining stack of sacks 2 to the bag bottom 10.
  • the bag transport device 12 at the front end 9 has an extendable suction device 15, which has been extended in the position shown in FIG. 3 and has lowered to a region at the open filling end 8.
  • the suction device 15 is activated in this state and grips the front filling end 8 of the topmost offensive bag 13.
  • a pivoting device 18 for the acquisition of a isolated Offensacks 3 provided.
  • the pivoting device 18 has a gripping device 19 and is shown in FIG. 3 in the second pivoting position 21.
  • the pivoting device 18 is arranged pivotable about the pivot axis 24.
  • Swivel device 18 is used to take over the topmost offensive bag 13 from the receiving position 14 and is passed after the pivoting of the pivoting device 18 in the second pivot position 21 to the above the pivoting device 18 drawn blind opening device 22 and the Sackanitatirat 23, at the in the illustration of FIG an attached open bag 3 is shown.
  • FIG. 4 shows the situation after the suction device 15 has been retracted on the bag conveying device 12, whereby the filling end 8 of the topmost offensive bag 13 has been lifted by the bag stack 2.
  • the lifting device 27 can be deactivated at the other end 11, so that the bottom of the bag 10 back down to the by the fixing device 28th
  • FIG. 5 shows the position after the bag transport device 12 has been moved to a front position, where the filling end 8 of the topmost offensive bag 13 is located above the pickup position 14. Both the open filling end 8 and the bottom of the bag 10 are accordingly a distance 16 forward in the direction of the open Einberichtdes 8 has been moved. It is possible that the bag transport device 12 is pivoted about one or more pivot axes 17. Another possible linear motion or linear motion is possible.
  • the fixing device 28 fixes the rear end of the bag stack 2, so that it is ensured that only a single, namely the top bag 13 is pulled forward by the movement of the bag transport device 12. As a result, an effective separation of the open filling end 8 of the offensive bag 13 is realized.
  • the suction device 15 is moved over the cylinder device 37 down, so that the open filling end 8 rests on the support means 38.
  • the open filling end 8 is at least partially accessible from below, so that the provided below the support means 38 marking device 25 can attach at least one mark on the open bag.
  • the suction device 15 is moved over the cylinder device 37 down, so that the open filling end 8 rests on the support means 38.
  • the open filling end 8 is at least partially accessible from below, so that the provided below the support means 38 marking device 25 can attach at least one mark on the open bag.
  • the suction device 15 is moved over the cylinder device 37 down, so that the open filling end 8 rests on the support means 38.
  • the open filling end 8 is at least partially accessible from below, so that the provided below the support means 38 marking device 25 can attach at least one mark on the open bag.
  • Marking device comprise a laser that attaches one or more writings on the outer surface of the Offensacks 13. For example, it is possible to fill the
  • a marking beam of the marking device can be directed either directly from below onto the bag or deflected via mirrors to protect the optics from dirt.
  • the distance 16 by which the topmost opening bag 13 was pulled forward in the direction of its open filling end 8, accounts for only a small proportion of the bag length 6.
  • the distance 16 can be suitably selected depending on the requirement.
  • Fig. 7 shows a situation in which the lifting device 27 again down to the rear end of the bag stack second
  • the pivoting device 18 pivots from the previously illustrated second pivoting position 21 into a first pivoting position 20 shown in FIG. 9.
  • the gripping device 19 moves from a position clearly above the depositing device 4 into a position in the amount of storage device 4, while the gripper device in the longitudinal direction of the open sacks from a middle region of the open sacks 3 is moved to the front end.
  • the lifting device 27 remains raised with the bag bottom 10 and the fixing device 28 lowers to the bottom portion of the remaining bag stack 2.
  • the bag transport device 12 is still moved a bit forward to a collision with the pivoting device 18 avoid.
  • the bag transport device between the two pivot arms of the pivoting device 18 may remain when the pivoting device pivots downward.
  • the bag transporting device 12 is in any case moved out of the movement path.
  • Fig. 10 shows the position in which the pivoting device 18 in the upper second pivot position 21 passes the hanging on the gripper device 19 Offensack 3 to the bag opening device 22 and the Sackanitati disturbed 23.
  • the gripper device 19 moves back up and seen in the longitudinal direction of the open sacks back.
  • the open sacks hang in the pivoting position 21 in a central region above the sack stack 2. More installation space in the surface is not required by the pivoting of the gripper device 19.
  • the stacking device 4 is raised automatically such that the now uppermost bag 13 is arranged at about a height with the support means 38, so that the uppermost bag 13 later from the bag transport 12th
  • the bottom end 10 of the offset bag 13 has already been raised and the fixing device 28 has fixed the bottom end of the bag stack 2.
  • the bag transport device 12 is in a forward position, in the pivoting of the pivoting device 18 in the upper second pivot position 21 is possible.
  • Fig. 11 shows the position after the transfer of a bag to be filled 3 of the pivoting device 18 to the bag opening device 22 and the Sackanitatind sensible 23.
  • FIG. 12 shows a processing device 1 in a highly schematic and sectioned side view, wherein essentially the centering device 50 can be seen on the schematically represented depositing device 4.
  • the centering device 50 is arranged substantially below the depositing device 4 or below the plate 53 of the depositing device 4.
  • the plate 53 of the storage device 4 is shown in section. The cut passes through the region of the grooves 45.
  • FIG. 12 shows a schematic representation of a first variant, in which the centering device 50 of the processing device 1 has two deflection rollers 59 and 60 around which a circumferential belt 54 is provided.
  • the centering finger 52 is fastened to the completely circumferential belt 54 such that the centering finger 52 projects perpendicularly or at least approximately perpendicularly from the belt 54. This means that upon rotation of the deflecting rollers 59 and 60, the centering finger 52 is further transported with the belt 54, but each protrudes perpendicularly from the belt 54.
  • one of the deflecting rollers 59 and 60 can be drivably provided as a drive device 49 via a motor shown in broken lines here on the deflecting roller 60 in order to drive the belt 54.
  • a drive means 49 a cylinder 56 with an extendable piston rod 58 serves.
  • the piston rod is connected via ' a driver 55 here fixed to the belt 54.
  • An extension of the piston rod 58 therefore causes a synchronous movement of the belt 54 in the counterclockwise direction in the orientation of Figure 12. Conversely, when retracting the piston rod 58, the belt 54 in
  • FIG 12 three different positions 61, 62 and 63 of the centering device 50 are shown.
  • the second position 62 is shown by a solid line, while the first position 61 and the third position 63 are shown dotted.
  • the centering unit 51 formed as Zentrierfinger is located on the left side 46 here farthest from the here already drawn sack stack 2.
  • the provided on the other side 47 and here also designed as centering 52 centering is in the
  • Position 61 is arranged below the plate 53. Since in the position 61 of the tines or centering fingers 52 below the plate 53.
  • Plate 53 is located, can be pushed from the side 47 of a new stack of sacks 3 at least approximately in the basic position 5.
  • Centering finger 51 transferred by the same distance "a" in the position 62, which is significantly closer to the stack of sacks 2.
  • the centering fingers 51 and 52 are directly against the stack of sacks 2.
  • the individual open sacks 3 of the sack stack 2 have been positioned and centered by the transfer of the centering fingers 51 and 52 into the third position 63.
  • the travel of the piston rod 58 and in particular the distance "b" is in each case adapted to the bag width 48 of the open sacks 3 to be processed.
  • the centering device 50 allows a simple and reliable centering of a sack stack 2.
  • a plurality of longitudinally successively arranged centering units 51 and 52 also provide in the further process for guiding the open sacks 3 when removing the same. Even if one to edit
  • Open bag for example, in the receiving position 14 is briefly completely released before the gripper device 19 engages the open filling end 8 of the offensive bag 3, a defined position of the open bag 3 is ensured by the centering device 50. It turned out that at high
  • a centering device 50 equipped with several centering units, in which the centering units in
  • drive means 49 here again serves a cylinder 56 with an extendable piston rod 58 or a driven pulley.
  • a driver 55 is connected to the piston rod 58.
  • the driver 55 is connected to the circulating belt 54.
  • a movable stop 67 is provided, which is provided movable relative to a slide rod 64 and a coupling rod 57. As a result, the movable stop 67 can be displaced on the slide bar 64. The relative movement between the slide bar 64, the coupling rod 57 and the
  • movable stop 67 is limited by the coupling unit 66, which is designed here as a coupling plate.
  • Stop 67 lifted, so that upon extension of the piston rod 58 of the fixedly arranged on the driver 55 movable stop 67 is moved and slides on the slide bar 64. Upon further extension, the movable stop 67 abuts on the coupling unit 66, so that in the following a synchronous movement of
  • Coupling rod 57 and the piston rod 58 takes place. Characterized not only the belt 54 is moved on the further extension of the piston rod 58 from the cylinder 56, but also the centering unit 51 connected thereto via the coupling rod 57.
  • Stop 65 is adjusted so that the sack stack 2 with the open sacks 3 in this position sufficiently through the
  • Centering units 51 and 52 is centered.
  • the position of the adjustable abutment 65 is adjusted to the width 48 of the open sacks 3 and gives an end position of the centering units 51, 52 to be reached substantially offset by half the amount of sack width to the center line 69.
  • adjustable stop 65 are coupled together. For better clarity, in each case a small distance to the centering fingers 51 and 52 is shown in FIG. 15 on both sides of the bag stack 2, which may be present during an actual centering of a bag stack 3, but need not be present.
  • FIG. 16 shows a highly schematic view of the processing device 1 with the centering device 50 and the plate 53 of FIG
  • the centering device 50 additionally has a drive unit 75 with which the centering unit 51 can be moved separately.
  • an adjustable stop 65 is provided, which is adjusted to the bag width 48.
  • the adjustable stop 65 is provided via a drive unit 76 movable.
  • a displacement measuring device 74 may be the position of the adjustable
  • the bag width 48 can be adjusted via the path detection device 74, computer-controlled. As a result, the bag width 48 can be adjusted automatically when processing bags of different widths.
  • the centering unit 51 is positioned directly on the stop 65 via the drive unit 75. This means that the centering unit 51 is transferred directly to its end position, which corresponds to the position 63 from the preceding example according to FIG.
  • the centering unit 52 remains in the first position 61 below the plate 53rd
  • Piston rod 58 of the cylinder 56 extended.
  • the belt 54 is transported directly on and the centering unit 52 pivots about the guide roller 60 and through the groove 45 in the plate 53 upwards.
  • the centering unit 52 moves on further extension of the cylinder 58 to the first centering unit 51 until the third position 63 and thus the end position is reached.
  • Fig. 17 shows the intermediate position, the centering unit 52 in the second position 62.
  • the third position 63 results in a position as shown and explained in Fig. 15 with reference to the preceding embodiment.
  • the invention provides an advantageous processing device with which a reliable centering and / or separating the bags is made possible.
  • the centering device according to FIGS. 13-15 enables a central centering and reliable positioning of a
  • Sack stack 2 wherein the centering units 51 and 52 from both sides 46 and 47 approach to the stack of sacks 2.
  • the stack of sacks is positioned at an end stop, which here through the
  • Centering units 51 is formed. For further centering, the centering units 52 approach the sack stack 2 from the other side 47.
  • the open sacks are processed by the centering units 51 and 52 in FIG.
  • the invention provides an advantageous processing device and an advantageous method, with which open sacks of a sack stack can be separated reliably and effectively.
  • the space required and the space required are small.
  • the performance can be significantly increased over the prior art, so that both
  • markings and other applications can advantageously be applied to the opening bag.
  • the control of the processing device 1 can be carried out via a control device, not shown here, which has one or more light barriers or other sensors to ensure defined positioning during the entire operation.
  • the compact design allows a significantly reduced

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Pile Receivers (AREA)
  • Making Paper Articles (AREA)

Abstract

L'invention concerne un dispositif de traitement et un procédé de traitement d'une pile de sacs comprenant une pluralité de sacs, la pile de sacs étant déposée dans une position de base sur un dispositif de dépôt. Les sacs de la pile présentent une longueur et une largeur. Un dispositif de centrage comprend deux unités de centrage opposées qui sont disposées de manière à pouvoir se déplacer l'une vers l'autre et à distance l'une de l'autre au moyen d'un dispositif d'entraînement.
EP13785819.7A 2012-09-24 2013-09-20 Dispositif et procédé de traitement de piles de sacs Active EP2897870B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012018769.6A DE102012018769A1 (de) 2012-09-24 2012-09-24 Vorrichtung und Verfahren zum Bearbeiten von Sackstapeln
PCT/EP2013/002837 WO2014044398A1 (fr) 2012-09-24 2013-09-20 Dispositif et procédé de traitement de piles de sacs

Publications (2)

Publication Number Publication Date
EP2897870A1 true EP2897870A1 (fr) 2015-07-29
EP2897870B1 EP2897870B1 (fr) 2017-05-17

Family

ID=49517475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13785819.7A Active EP2897870B1 (fr) 2012-09-24 2013-09-20 Dispositif et procédé de traitement de piles de sacs

Country Status (6)

Country Link
US (1) US9522754B2 (fr)
EP (1) EP2897870B1 (fr)
CN (1) CN104797502B (fr)
DE (1) DE102012018769A1 (fr)
ES (1) ES2637250T3 (fr)
WO (1) WO2014044398A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106154211A (zh) * 2016-08-30 2016-11-23 中电装备山东电子有限公司 工业测控表测试工装
CN114194438A (zh) * 2021-12-09 2022-03-18 黄华 一种卷烟自动装箱包装设备

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
US2986262A (en) * 1958-06-25 1961-05-30 Bulletin Company Bundle aligning and spacing apparatus
US4537015A (en) * 1983-09-02 1985-08-27 Inglett & Company, Inc. Bag placer for a packaging machine
DE3818793A1 (de) * 1988-06-03 1989-12-07 Librawerk Pelz & Nagel Kg Vorrichtung zum ausrichten und oeffnen flachliegender kunststoffsaecke
JPH0363670A (ja) * 1989-08-01 1991-03-19 Ricoh Co Ltd 複写機の制御装置
US5916079A (en) 1997-08-08 1999-06-29 Delaware Capital Formation Horizontal container forming machine
FI106015B (fi) 1999-04-30 2000-11-15 Pussikeskus Oy Pakkauslaite ja menetelmä litteiden tavaroiden, kuten kirjojen, pakkaamiseksi
DE10128057B4 (de) * 2001-06-09 2004-11-11 Heidelberger Druckmaschinen Ag Vorrichtung zur Zentrierung von flachen Objekten
ATE403623T1 (de) * 2004-02-17 2008-08-15 Msk Verpackung Syst Gmbh Vorrichtung und verfahren für das ausrichten eines aus einem zumindest im bereich der unteren aussenkanten leicht deformierbaren guts auf einer transportunterlage
ITBO20060859A1 (it) * 2006-12-19 2008-06-20 Marchesini Group Spa Macchina per il confezionamento di articoli in contenitori scatolari
CN201559828U (zh) * 2009-12-02 2010-08-25 内蒙古伊利实业集团股份有限公司 一种纸箱包装设备上的站链结构
DE102010051721A1 (de) * 2010-11-20 2012-05-24 Haver & Boecker Ohg Vorrichtung und Verfahren zum Aufstecken von Säcken
DE102011113879A1 (de) 2011-09-22 2013-03-28 Haver & Boecker Ohg Vorrichtung und Verfahren zum Bearbeiten von Sackstapeln von Offensäcken

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014044398A1 *

Also Published As

Publication number Publication date
EP2897870B1 (fr) 2017-05-17
WO2014044398A4 (fr) 2014-05-22
ES2637250T3 (es) 2017-10-11
CN104797502B (zh) 2018-03-30
DE102012018769A1 (de) 2014-03-27
WO2014044398A1 (fr) 2014-03-27
US9522754B2 (en) 2016-12-20
US20150284119A1 (en) 2015-10-08
CN104797502A (zh) 2015-07-22

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