EP2758314B1 - Dispositif et procédé de traitement de piles de sacs ouverts - Google Patents

Dispositif et procédé de traitement de piles de sacs ouverts Download PDF

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Publication number
EP2758314B1
EP2758314B1 EP12774928.1A EP12774928A EP2758314B1 EP 2758314 B1 EP2758314 B1 EP 2758314B1 EP 12774928 A EP12774928 A EP 12774928A EP 2758314 B1 EP2758314 B1 EP 2758314B1
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EP
European Patent Office
Prior art keywords
bag
open
stack
bags
mouth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12774928.1A
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German (de)
English (en)
Other versions
EP2758314A1 (fr
Inventor
Volker SCHÜTTE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haver and Boecker OHG
Original Assignee
Haver and Boecker OHG
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Publication date
Application filed by Haver and Boecker OHG filed Critical Haver and Boecker OHG
Publication of EP2758314A1 publication Critical patent/EP2758314A1/fr
Application granted granted Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/12—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
    • B65B43/12—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
    • B65B43/26—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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • B65B61/025—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging for applying, e.g. printing, code or date marks on material prior to packaging

Definitions

  • the present invention relates to a device and a method for processing sack stacks, and more particularly to a packaging machine or a device or device associated with a packaging machine.
  • the device can serve to separate the sacks of a sack stack.
  • the device can also open the isolated bags, attach to a filler neck and possibly fill the bags with a bulk material, seal and transport away.
  • the AT 404 117 B a device for feeding a scattered offensive sack.
  • a sack stack of open sacks is stored in a magazine.
  • the topmost open bag is gripped and lifted with suction heads of a removal device on the closed bottom of the bag.
  • the hangs Sack from the suction heads down and lies with its open end still on the bag stack.
  • a chain grate which runs around the magazine via deflection wheels, is driven and driven under the raised bag in such a way that the bag is completely lifted and placed on the grate field of the chain grate.
  • the open bag is isolated and can be passed by further rotation of the chain grate to a conveyor arranged next to it, which comprises a plurality of circumferential belts.
  • the now separated offensive bag is transferred by the transport device to a further transport device arranged behind it, which opens the bag during further movement and transfers it to a pickup device with which the opened open bag is attached to a filler neck.
  • the document NL 1 035 060 C2 discloses a device for processing a sack-bag, wherein a sack is only partially offset.
  • a processing device serves to process at least one bag stack with a plurality of open sacks.
  • At least one depositing device is provided, on which the stack of sacks can be arranged in a basic position.
  • the open sacks of the sack stack have a sack length and an open fill end at one end.
  • a closed bag bottom can be provided. It is also possible that the closed sack bottom is formed later, so that the sack stack consists of open sacks, which are open at both ends.
  • At least one bag transport device is provided, which is suitable and intended to take the topmost bag of the bag stack in the basic position and to put in a lying only partially on the bag stack receiving position.
  • a marking device for marking the open sacks which is suitable and arranged to provide the open sacks in the receiving position with at least one mark.
  • the mark can z. B. the filling date or batch number or the like.
  • the processing device according to the invention has many advantages, since it allows a small-sized device that allows high capacity and power despite the small area required.
  • the bag is effectively isolated.
  • the over the end of the bag stack protruding end of the offensive bag can be gripped or gripped by the like to the open bag to pass on to other components of the processing device.
  • the bag transport device grips the topmost open bag at its open filling end.
  • the bag conveying device displaces the topmost open bag by the bag transporting device gripping the topmost open bag at its open filling end and pulling it into the receiving position.
  • the marking device can be arranged in an easily accessible area, where easy maintenance of the marking device is possible.
  • the marking device allows the labeling of the open sacks during processing. With the marking device, information about the content, the shelf life or the batch of the filled product can be noted on the open bag immediately before the filling. This allows a complete tracking and a complete proof of the origin and the batch, which is useful and / or necessary for many products from the food industry or even for the production of medicines or other substances.
  • the bag transport device comprises at least one Reibrad Skeried Skeried Skeries and / or a suction device.
  • a suction device may be formed as a sucker or comprise one or more suckers.
  • the suction device is arranged extendable on the bag transport device. This makes it possible that the bag transport device is arranged to be pivotable or movable and extends in a first position, the suction device to seize the open bag in the basic position. Subsequently, the suction device can be retracted again and the open bag can be pulled into the receiving position. There, in turn, the suction device is extended, so that the open bag is stored defined on the storage device in a separate pad.
  • a drive such as a controllable vacuum or compressed air cylinder is preferably provided.
  • a distance of the receiving position from the basic position is smaller than half the bag length.
  • the distance is less than a quarter of the bag length.
  • the distance of the receiving position of the basic position identifies such a size that the open bag can be taken at its filling end to further transport the open bag.
  • the distance is dimensioned so that in the receiving position a proper marking of the offensive bag can be performed.
  • the bag transport device is pivotally accommodated on at least one pivot axis, which preferably engages above the depositing device and in its mode of action at the open filling end.
  • Possible is a parallelogram-like pivoting or other linear drive of the bag transport device.
  • a pivoting device is preferably provided, which is equipped with at least one gripper device.
  • the pivoting device with the gripper device is used in particular for further transport of the isolated offensive sacks.
  • the pivoting device with the gripper device can seize the isolated offensive bag, in particular its filling end, and transfer it into a partially or completely suspended position. By such a swiveling up of the isolated open sack, the open sack can subsequently be opened and attached to a filler neck.
  • the gripper device of the pivoting device engages in a first pivot position, the open end of the offensive bag in the receiving position.
  • the gripper device In a second pivot position, the gripper device is preferably suitable for transferring the open bag to a bag opening device and / or a bag hook device.
  • the direction of movement of the pivoting device from the first pivoting position into the second pivoting position is preferably directed counter to the direction of movement of the bag-conveying device from the basic position into the receiving position. This allows a particularly compact design. If both movements are carried out via pivoting movements, then both pivot axes are provided in the area of the depositing device.
  • the pivot axes can be provided above and / or below the storage device.
  • the pivot axis of the pivoting device is preferably suitable for pivoting the open filling end of the open-end bag into a transfer position.
  • the pivot axis is arranged approximately in the height of the bag stack.
  • At least one marking device is provided for marking the open sacks.
  • at least one mark can be designed as a label.
  • the marking device it is possible to apply the batch number, the product to be filled, the filling date or similar information with the marking device on the opening bag. It is possible and preferred that at least one marking is applied in the region of the filling end. Marking the offensive sack in the pickup position has been found to be very beneficial. The performance of the processing device according to the invention is not affected at all or only to a small extent. It is advantageous if the marking device is provided below the receiving position and the filling end or a region of the filling end from below with a mark in the form of e.g. a caption. Here, the marking can both directly from below -. B. vertically - or more or less horizontally deflected by a mirror make the mark. A deflection over at least one mirror has the advantage that the optical system of the laser used for marking is arranged dust-proof.
  • a lifting device or at least one lifting device is provided for raising the bottom of the top bag of the sack stack in the basic position.
  • a fixing device is further provided, which fixes the bag stack on the bag bottom.
  • the sack bottom of the uppermost offensive sack is lifted with the lifting device and a fixing device fixes the sack stack below the topmost sack on the bottom of the sack.
  • At least one product feed and at least one filler neck are provided for filling the open sacks. It is also possible that the processing device is arranged as a separate device before a filling device and the isolated open sacks in z. B. already open state to the filling device passes.
  • At least one closing device is provided for closing the open filling end of the open sacks after the filling process. It is also possible that a discharge device is arranged, with which the filled open sacks are transported away.
  • a sack stacking magazine is provided, from which the sack stacks are automatically or manually removed, if necessary, and fed to the depositing device.
  • the processing device preferably has a centering device in order to position and / or center a sack stack which is in particular arranged approximately in a basic position or exactly in the basic position.
  • the sacks of the sack stack in particular approximately or even exactly the same dimensions in terms of bag length and bag width.
  • the drive device can drive at least one belt.
  • the belt may be at least temporarily coupled to at least one centering unit.
  • at least a part of the centering units arranged on both opposite sides are at least temporarily coupled to at least one belt of the drive device.
  • At least one centering unit provided on a first side is at least temporarily coupled to the lower run of at least one circulating belt. It is preferred that at least one centering unit provided on a second side at least temporarily with the upper strand coupled at least one circumferential belt.
  • At least one centering unit is arranged to be movable at least temporarily in a groove of the depositing device.
  • at least one centering unit is provided in a first position below a plate of the storage device.
  • at least this centering unit protrudes in a third position through the groove beyond the top of the plate of the storage device.
  • an adjustable stop which specifies a bag width.
  • the adjustable stop can be provided movable.
  • the adjustable stop and / or a centering unit may be associated with a path detection device to allow an automatic controlled adjustment of the bag width.
  • a centering unit is coupled to the belt via a coupling mechanism.
  • the coupling mechanism may comprise a spring device.
  • the coupling mechanism preferably has at least one coupling unit and at least one movable stop.
  • the coupling mechanism is in particular designed and arranged to produce a coupling between the centering unit and the belt at least in the second and / or third position.
  • the coupling mechanism is preferably designed and arranged such that in the first position, a coupling between the centering unit and the belt is canceled.
  • a separate drive unit may be provided for moving the at least one centering unit on one side.
  • the inventive method is used for processing at least one bag stack with a plurality of open sacks.
  • the bag stack is arranged on a storage device in a basic position.
  • At least one bag transport device is provided.
  • at least one marking device is provided.
  • the bag transport device takes the top and in particular only the uppermost sack of the sack stack in the home position and offset the uppermost sack in a only partially on the sack stack receiving position. In the receiving position, the opening bag is preferably marked with the marking device.
  • the method according to the invention also has many advantages, since it allows a reliable function with a small installation space and high performance.
  • Fig. 1 shows an overall perspective view of a packaging 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.
  • a weighing system with net weighers used in which the product to be filled 26 is first collected in a net balance and then filled into the open bag 3 to be filled.
  • the product supply 29 is provided below the metering device 36, which in the in Fig. 1 invisible filler 30 ends.
  • a covering 34 surrounds the processing device 1.
  • a bag stacking magazine 33 serves to receive a number of bag stacks 2. The filled open sacks 3 are transported away via a discharge device 32.
  • Fig. 2 shows the processing device 1, in which the housing and other components have been omitted in the illustration, in a schematic perspective view.
  • 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 comes with a in Fig. 2 not shown centering 50 centered.
  • Such a centering device 50 will be described below with reference to FIGS FIGS. 12 to 17 described in detail.
  • 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 been found 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 laterally or but easily be taken wrong. As a result, 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.
  • a swivel device 18 is equipped with a gripping device 19.
  • the pivoting device 18 comprises two pivoting arms, each with grippers arranged at its end. The pivoting device serves to take over a separated offensive bag 3 and to transfer and pass it on to a bag-opening device 22 and a bag-hook device 23, which finally attach the opened-off 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.
  • a highly schematic open sack 3 is shown 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 applies the marking 7 in the marking region 44.
  • Mark 7 here has a designation 42 ("XXX") and here a date 43 ("31.12.20").
  • the designation 42 may correspond to the trade name or the trade mark or may include a unique number or the like which preferably uniquely classifies the content.
  • 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. An electronic data transmission in a readable memory is possible.
  • Fig. 3 shows a schematic side view of some essential components of the processing device 1. There were some components and the housing of the processing device omitted to facilitate the overview and explain the function.
  • the processing device 1 has a height-adjustable depositing device 4, on which a stack of sacks 2 is or is arranged in the basic position 5.
  • 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.
  • an adjusting device 40 is provided, which is movable in the direction of the bag length 6.
  • the bag transport device 12 at the front end 9 has an extendable suction device 15, which in the in Fig. 3 shown extended position and has dropped 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 is provided for taking over a separated offensive bag 3.
  • the pivoting device 18 has a gripping device 19 and is in Fig. 3 shown in the second pivot position 21.
  • the pivoting device 18 is arranged pivotable about the pivot axis 24.
  • the 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 Sackanitati Marie 23, according to in the illustration Fig. 3 an attached open bag 3 is shown.
  • Fig. 4 shows the situation after the suction device 15 has been retracted on the bag conveyor 12, whereby the filling end 8 of the uppermost bag Off 13 was lifted from the bag stack 2.
  • the lifting device 27 can be deactivated at the other end 11, so that the bottom of the bag 10 falls down again onto the sack stack 2 held by the fixing device 28.
  • Fig. 5 the position is drawn after the bag transport device 12 has been moved to a front position, where the filling end 8 of the uppermost bag Off 13 is above the receiving 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 of accessible below, so that provided below the support means 38 marking device 25 can attach at least one mark on the opening bag.
  • the marking device may include a laser that applies one or more lettering on the outer surface of the offset bag 13.
  • 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.
  • Fig. 6 It can be seen that the distance 16 by which the topmost bag 13 was pulled forward in the direction of its open filling end 8, 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 has been lowered back down to the rear end of the bag stack 2 to seize the bag bottom 10 of the following Offensacks 3 and lift subsequently.
  • Fig. 10 shows the position in which the pivoting device 18 in the upper second pivoting 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 depositing 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 is later taken over by the bag transport 12 can be.
  • the bottom end 10 of the offensive bag 13 is already 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 which 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 Sackanitati disturbed 23.
  • the uppermost now open bag 13 is still raised at its bottom end by the lifting device 27.
  • the bag transport device 12 is moved back again in order to grip the open filling end 8 of the now uppermost offensive bag 13 with the suction device 15, lift it up and transfer it into the receiving position 14.
  • FIG. 12 a processing device 1 is shown in a highly schematic and sectional side view, wherein essentially the centering device 50 can be seen on the storage device 4 shown schematically.
  • 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 via two guide rollers 59 and 60, around which a circumferential belt 54 is provided.
  • the centering finger 52 is fixed in such a way 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 cylinder 56 with an extendable piston rod 58 serves as the drive means 49.
  • the piston rod is connected via a driver 55 here with the belt 54.
  • An extension of the piston rod 58 therefore causes a synchronous movement of the belt 54 against clockwise in the orientation of FIG. 12 , Conversely, when retracting the piston rod 58, the belt 54 is moved clockwise.
  • 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 designed as a centering finger is on the left side 46 farthest from the sack stack 2 already drawn in here.
  • the centering unit provided on the other side 47 and here also designed as a centering finger 52 is in the position 61 arranged below the plate 53. Since the tines or centering fingers 52 are located below the plate 53 in the position 61, a new stack of sacks 3 can be pushed from the side 47 at least approximately into the basic position 5.
  • the centering finger 51 is pivoted from the first position 61 below the plate 53 through the groove 45 in a at least partially above the plate 53 located position 62 by the amount of the distance "a” and at the same time is in the transfer of the first position 61 transferred to the second position 62 of the drive belt 54 coupled to the centering finger 51 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 an openable bag to be processed, for example, briefly completely released in the receiving position 14 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 has been found that at high processing speeds and certain bag materials there may be a slight slippage of individual open sacks on the sack stack, if no centering device 50 is used.
  • a centering device 50 equipped with several centering units, in which the centering units are arranged one behind the other in the longitudinal direction, ensures reliable and reproducible separation and positioning for the subsequent filling of open sacks even with long and narrow sacks.
  • the centering device 50 has a coupling mechanism 70 to allow a temporary decoupling of at least one centering unit 51 from the movement of the rotating belt 54.
  • 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.
  • the extension of the piston rod 58 from the cylinder 56 is limited by an adjustable stop 65 which is adjustable in the lateral direction. If, upon further extension of the piston rod 58, the centering unit 51 strikes against the adjustable stop 65, further extension of the piston rod 58 is prevented.
  • the position of the adjustable stopper 65 is set so that the bag stack 2 with the open sacks 3 in this position is sufficiently centered by the centering units 51 and 52.
  • 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.
  • FIG. 15 This position is in Fig. 15 shown.
  • the coupling device 70 with the coupled coupling device 66 and the adjustable stop 65 are coupled together.
  • Fig. 15 in each case a small distance to the centering fingers 51 and 52 drawn on both sides of the bag stack 2, which may be present in an actual centering of a bag stack 3, but need not be present.
  • FIG. 16 a highly schematic view of the processing device 1 with the centering device 50 and the plate 53 of the storage device.
  • the centering device 50 additionally has a drive unit 75 with the centering unit 51 is movable separately.
  • an adjustable stop 65 is provided, which is adjusted to the bag width 48.
  • the adjustable stop 65 is provided movably via a drive unit 76.
  • a Displacement measuring device 74 can detect the position of the adjustable stop 65 and / or the path traveled by the centering unit 51 or a characteristic measure thereof.
  • 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 in the previous example FIG. 14 equivalent.
  • the centering unit 52 remains in the first position 61 below the plate 53rd
  • the piston rod 58 of the cylinder 56 is 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 of the centering unit 52 in the second position 62nd
  • the invention provides an advantageous processing device available, with a reliable centering and / or separation of the bags is made possible.
  • the centering device allows a central centering and reliable positioning of a bag stack 2, wherein the centering units 51 and 52 from both sides 46 and 47 approach to the stack of sacks 2.
  • the bag stack is positioned at an end stop which is formed here by the centering units 51.
  • the centering units 52 approach the sack stack 2 from the other side 47.
  • the open sacks are guided by the centering units 51 and 52 in an advantageous manner, so that lateral slippage when pulling forward and during further processing of the open sacks 3 is reliably prevented.
  • 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, resulting in both space advantages and capacity advantages.
  • 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.

Landscapes

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

Claims (15)

  1. Dispositif de traitement (1) pour traiter au moins une pile de sacs (2) avec une pluralité de sacs à gueule ouverte (3), au moins un dispositif de dépose (4) étant prévu, sur lequel la pile de sacs (2) est agençable dans une position de base (5), les sacs à gueule ouverte (3) de la pile de sacs (2) présentant une longueur de sac (6) et une extrémité de remplissage ouverte (8) à une extrémité (9),
    caractérisé en ce
    qu'au moins un dispositif de marquage (25) et au moins un dispositif de transport de sacs (12) sont prévus, lesquels sont susceptibles et destinés à saisir le sac à gueule ouverte (13) du haut de la pile de sacs (2) en position de base (5) et à le transférer dans une position de réception (14) couchée seulement partiellement sur la pile de sacs (2), et à pourvoir, dans ladite position de réception (14), les sacs à gueule ouverte (3) d'au moins un marquage (7).
  2. Dispositif de traitement (1) selon la revendication 1, le dispositif de transport de sacs (12) saisissant le sac à gueule ouverte du haut (13) par son extrémité de remplissage ouverte (8).
  3. Dispositif de traitement (1) selon la revendication 1 ou 2, le dispositif de transport de sacs (12) présentant au moins un dispositif d'aspiration (15).
  4. Dispositif de traitement (1) selon la revendication précédente, le dispositif d'aspiration (15) étant agencé déployable sur le dispositif de transport de sacs (12).
  5. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, un espacement (16) entre la position de réception (14) et la position de base (5) étant inférieur à la demi-longueur de sac (6) et de préférence inférieur à un quart de la longueur de sac (6).
  6. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, le dispositif de transport de sacs (12) étant monté pivotable sur au moins un axe de pivot (17), lequel dispositif de transport de sacs (12) est agencé notamment au-dessus du dispositif de dépose (4) et intervient dans son mode d'action au niveau de l'extrémité de remplissage ouverte.
  7. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, étant prévu au moins un dispositif de pivotage (18) qui est équipé d'au moins un dispositif de préhension (19).
  8. Dispositif de traitement (1) selon la revendication précédente, le dispositif de préhension (19) du dispositif de pivotage (18) étant susceptible, dans une première position de pivotage (20), de saisir l'extrémité ouverte (8) du sac à gueule ouverte (3) dans la position de réception (14).
  9. Dispositif de traitement (1) selon l'une quelconque des deux revendications précédentes, le dispositif de préhension (19) du dispositif de pivotage (18) étant susceptible, dans une deuxième position de pivotage (21), de remettre le sac à gueule ouverte (3) à un dispositif d'ouverture de sac (22) et/ou à un dispositif de suspension de sac (23).
  10. Dispositif de traitement (1) selon l'une quelconque des trois revendications précédentes, un axe de pivot (24) du dispositif de pivotage (18) étant susceptible de faire pivoter l'extrémité de remplissage ouverte du sac à gueule ouverte dans une position de remise.
  11. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, un dispositif de soulèvement (27) étant prévu pour soulever le fond de sac (10) du sac à gueule ouvert du dessus (13) de la pile de sacs (2) dans la position de base (5).
  12. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, un dispositif de fixation (28) étant prévu, lequel fixe la pile de sacs (2) au fond de sac (10) pour l'entamer.
  13. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, au moins une alimentation de produits (29) et au moins un bec de remplissage (30) étant prévus pour remplir les sacs à gueule ouverte (3).
  14. Dispositif de traitement (1) selon l'une quelconque des revendications précédentes, au moins un dispositif de centrage (50) étant prévu, destiné à centrer la pile de sacs (2) et à conduire les sacs à gueule ouverte (3) au moment de les translater dans la position de réception.
  15. Procédé de traitement d'au moins une pile de sacs (2) avec une pluralité de sacs à gueule ouverte (3), la pile de sacs (2) étant agencée sur un dispositif de dépose (4) dans une position de base (5), au moins un dispositif de marquage (25) et un dispositif de transport de sacs (12) étant prévus, le dispositif de transport de sacs (12) saisissant le sac à gueule ouverte du dessus (13) de la pile de sacs (2) dans la position de base (5) et le transférant dans une position de réception couchée sur plus qu'une seule partie de la pile de sacs (2), et le dispositif de marquage (25) pourvoyant les sacs à gueule ouverte (3) d'au moins un marquage (7) dans la position de réception (14).
EP12774928.1A 2011-09-22 2012-09-24 Dispositif et procédé de traitement de piles de sacs ouverts Active EP2758314B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011113879A DE102011113879A1 (de) 2011-09-22 2011-09-22 Vorrichtung und Verfahren zum Bearbeiten von Sackstapeln von Offensäcken
PCT/EP2012/003989 WO2013041243A1 (fr) 2011-09-22 2012-09-24 Dispositif et procédé de traitement de piles de sacs ouverts

Publications (2)

Publication Number Publication Date
EP2758314A1 EP2758314A1 (fr) 2014-07-30
EP2758314B1 true EP2758314B1 (fr) 2015-12-30

Family

ID=47044946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12774928.1A Active EP2758314B1 (fr) 2011-09-22 2012-09-24 Dispositif et procédé de traitement de piles de sacs ouverts

Country Status (6)

Country Link
US (1) US10526100B2 (fr)
EP (1) EP2758314B1 (fr)
CN (1) CN104321254B (fr)
DE (1) DE102011113879A1 (fr)
ES (1) ES2566108T3 (fr)
WO (1) WO2013041243A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012018769A1 (de) 2012-09-24 2014-03-27 Haver & Boecker Ohg Vorrichtung und Verfahren zum Bearbeiten von Sackstapeln
DE102015005660A1 (de) 2015-04-27 2016-10-27 Beumer Gmbh & Co. Kg Vorrichtung und Verfahren zum Ausrichten und Greifen eines Sacks
CN111860240B (zh) * 2020-07-07 2022-08-02 内蒙古科技大学 链篦机台车侧板偏移故障的检测方法及系统

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US3190054A (en) * 1962-05-24 1965-06-22 Arnold Cellophane Corp Printing flexible bags
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IT995630B (it) * 1973-10-05 1975-11-20 Buzzi R Macchina per riempire e cucire automaticamente sacchi
US3878776A (en) * 1973-10-26 1975-04-22 Norwood Marking & Equipment Co Inflated bag printing device with adjustable type drive
US4073122A (en) * 1976-04-16 1978-02-14 Markem Corporation Printing apparatus
US4073117A (en) * 1976-09-02 1978-02-14 Norwood Marking And Equipment Co., Inc. Packaging machine with inflated bag printer and method
DE2834187C2 (de) * 1978-08-04 1983-10-20 Gerd 4200 Oberhausen Gillenkirch Tüten-Abpackmaschine
AT404117B (de) * 1988-12-02 1998-08-25 Binder Co Ag Einrichtung zum zuführen eines vereinzelten sackes
ES2024809A6 (es) * 1990-05-25 1992-03-01 Payper Sa Maquina acondicionadora de sacos en instalaciones llenadoras-dosificadoras.
NZ329864A (en) * 1998-02-27 1998-09-24 Equipment Technology Ltd Packaging apparatus with bag fitted over mouth of station where product is ejected horizontally into bag
JP2001163314A (ja) * 1999-12-07 2001-06-19 Fuji Photo Film Co Ltd 印刷装置を備えた商品包装装置
DE102004002646A1 (de) * 2004-01-17 2005-08-04 Nexpress Solutions Llc Vorrichtung zur Ausrichtung eines Stapels von Bögen
NL1035060C2 (nl) * 2008-02-21 2009-08-24 Manter Internat B V Inrichting voor het opnemen en openen van zakken.
JP5197093B2 (ja) * 2008-03-28 2013-05-15 東洋自動機株式会社 空袋供給方法及び空袋供給装置
JP5399224B2 (ja) * 2009-12-11 2014-01-29 東洋自動機株式会社 袋詰め包装機
WO2011093729A1 (fr) * 2010-01-29 2011-08-04 Distinct Designs Limited Procédé et appareil pour l'emballage en sacs de produits

Also Published As

Publication number Publication date
US20140223859A1 (en) 2014-08-14
US10526100B2 (en) 2020-01-07
CN104321254A (zh) 2015-01-28
EP2758314A1 (fr) 2014-07-30
WO2013041243A1 (fr) 2013-03-28
CN104321254B (zh) 2016-07-13
DE102011113879A1 (de) 2013-03-28
ES2566108T3 (es) 2016-04-11

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