EP3877267B1 - Dispositif et procédé pour cercler des marchandises emballées - Google Patents

Dispositif et procédé pour cercler des marchandises emballées Download PDF

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Publication number
EP3877267B1
EP3877267B1 EP19748785.3A EP19748785A EP3877267B1 EP 3877267 B1 EP3877267 B1 EP 3877267B1 EP 19748785 A EP19748785 A EP 19748785A EP 3877267 B1 EP3877267 B1 EP 3877267B1
Authority
EP
European Patent Office
Prior art keywords
length
guide carriage
band
guide
deployment
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
EP19748785.3A
Other languages
German (de)
English (en)
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EP3877267A1 (fr
Inventor
Andreas Kimmerle
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.)
Ergopack Deutschland GmbH
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Ergopack Deutschland GmbH
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Filing date
Publication date
Application filed by Ergopack Deutschland GmbH filed Critical Ergopack Deutschland GmbH
Priority to SI201930242T priority Critical patent/SI3877267T1/sl
Publication of EP3877267A1 publication Critical patent/EP3877267A1/fr
Application granted granted Critical
Publication of EP3877267B1 publication Critical patent/EP3877267B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • 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
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B65B13/08—Single guide or carrier for the free end of material movable part-away around articles from one side only
    • 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
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
    • B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages

Definitions

  • the invention relates to a device for strapping packaged goods with at least one strap, comprising a strap guide for guiding the strap, a conveyor device for extending and retracting the strap guide, a guide carriage which, together with the strap guide, can be extended a set extension length up to a deflection point , a length limiting strap that is connected to the guide carriage and can be pulled out with the guide carriage, and an adjustment device to set the target extension length of the guide carriage up to the deflection point, the guide carriage having a deflection unit that is able to deflect the strap guide means at the deflection point.
  • the invention also relates to a method for strapping packaged goods with at least one strap, according to which the strap is fixed to a strap guide, after which the strap guide is extended by a conveyor device, after which a guide carriage detachably connected to the strap guide is extended together with the strap guide to a deflection point is, after which a fixed to the guide carriage length limiting strap is pulled out with the guide carriage, after which the target extension length of the guide carriage is set up to the deflection point by the extendable length of the length limiting strap is adjusted.
  • a generic device is from EP 1 053 941 B1 famous. Furthermore, with regard to other known devices on the DE 10 2012 217 805 A1 , the DE 103 15 530 A1 and the DE 10 2010 029 992 A1 referred. DE 299 08 906 U1 also discloses a device according to the preamble of claim 1.
  • Packaged goods in particular objects to be transported or stored, for example in the form of packages, are generally attached to pallets with a packaging tape, which is referred to below as strapping, in order to ensure safe and damage-free transport or appropriate storage of the objects.
  • a packaging tape which is referred to below as strapping
  • a device for strapping or bundling a palletized load which has a tape guide means and at least one clamping device arranged at the front end of the tape guide means for clamping a Has initial portion of the strap.
  • the tape guide means is designed as a back-rigid chain, at the front end of which a guide carriage is releasably attached.
  • the carriage guides the rigid-backed chain and attached strap along the floor under the pallet. The carriage can compensate for minor unevenness in the ground, such as the crossbars of the pallets.
  • the carriage has a deflection unit for the rigid-backed chain.
  • the carriage is designed to be detachable from the rigid-backed chain and, together with the chain, covers a distance along the floor that is predetermined by a length-limiting strap.
  • the carriage In a predetermined position (deflection point), the carriage is held back by the length-limiting belt and separated from the back-rigid chain, which continues to advance in a feed movement.
  • the back-rigid chain is preferably deflected by about 90 degrees by the deflection unit of the carriage and in this way is moved upwards approximately vertically.
  • the belt guide designed as a chain is prevented from tipping over in that the chain is designed as a rigid-backed chain and could therefore only tip in the direction of the object to be packaged. Tilting in the direction of the object to be packaged is prevented in that the strapping is arranged within the chain in such a way that it keeps the rigid-backed chain under tension during the extension movement.
  • the rigid-backed chain can be retracted again, taking the extended carriage back with it during its retraction movement and being connected to it in the entrainment movement.
  • the device known from the prior art has proven itself in practice and enables packaged goods, in particular packaged goods arranged on pallets, to be strapped easily and quickly almost independently of the height of the packaged goods, without the operator having to bend down.
  • the length limiting strap already mentioned above.
  • a front end of the length limiting strap is fixed to the guide carriage and is thus pulled out with the guide carriage.
  • the user can set how far the length limiting strap and thus the guide carriage can be extended. This allows the deflection point to be defined. This is generally selected in such a way that the guide carriage can be passed under the packaged goods and the guide carriage moves out again under the pallet on the side facing away from the entry side.
  • the sliver guide means is then deflected by the deflection unit, in particular aligned upwards vertically to the ground.
  • the extendable length of the length limiting strap is limited by a stop formed at the end of the length limiting strap and an adjustable counter stop, preferably a pin or clip, which is attached to the housing of the device.
  • the adjustable counter-stop is positioned in such a way that it is in the displacement path of the stop of the length-limiting strap.
  • the length that the length limiting strap can extend is changed.
  • a grid dimension of 20 cm is provided for this. In practice, a smaller grid dimension is not readily achievable since, due to the type of construction, a pin cannot be inserted everywhere in the displacement path of the limit stop of the length limiting strap.
  • a further disadvantage of the solution known from the prior art is that the stop formed on the length-limiting strap strikes the pin at the selected, highest possible extension speed, and the device is mechanically stressed as a result.
  • the deflection unit is deflected upwards (preferably by 90 degrees) due to a corresponding arrangement of the axis of rotation, which connects the deflection unit to a pushing part of the guide part, if the tape guide means extends further, but the movement of the guide carriage is stopped.
  • the present invention is based on the object of further improving the strapping devices known from the prior art, in particular in order to achieve the highest possible speed during strapping and the lowest possible load on the device.
  • the present invention is also based on the object of further improving the methods for strapping known from the prior art, in particular in order to be able to realize the highest possible speed during strapping with at the same time low stress on the parts of the device. According to the invention, this object is achieved with regard to the device by claim 1 and with regard to
  • the device according to the invention for strapping packaged goods with at least one strap has a strap guide for guiding the strap, a conveyor device for extending and retracting the strap guide, a guide carriage which can be extended together with the strap guide by a set extension length up to a deflection point, a length limiting tape connected to the guide carriage and extendable with the guide carriage, and an adjustment device in order to adjust the target extension length of the guide carriage up to the deflection point.
  • the guide carriage has a deflection unit which is able to deflect the sliver guide means at the deflection point.
  • the setting device is set up to determine an actual extension length of the guide carriage and to control a fixing device depending on the target extension length of the guide carriage, which stops the extension movement of the length limiting strap.
  • the setting device determines an actual extended length of the guide carriage according to the invention.
  • Determining the actual extended length of the guide carriage makes it possible to use a fixing device which is controlled by the setting device in such a way that the length limiting belt is stopped when the guide carriage has reached the target extended length or the deflection point.
  • the stop is connected to the end of the restraining strap with the adjustable pin, both the function of determining the extension length ("adjustment device") and the function of stopping the extension movement of the length limiting strap ("fixing device").
  • the solution according to the invention also makes it possible in particular to form the fixing device at a fixed point of the device or the housing of the device. It is not necessary for the fixing device for setting the desired extension length to be fixed at different positions on the housing.
  • the determination of the actual extension length of the guide carriage by the setting device makes it possible in a particularly advantageous manner to optimize the extension speed of the sliver guide means. After it is known from the determination of the actual extension length of the guide carriage when the guide carriage reaches the target extension length or the deflection point, the target extension length or of the deflection point, the extension speed of the tape guide means can be reduced. In addition or as an alternative to this, the extension speed of the sliver guide means can also be increased after the deflection point has been reached or when the deflection unit has deflected the sliver guide means.
  • this measure allows the strapping process to be accelerated considerably and at the same time to ensure that the device is less heavily or only slightly loaded when it reaches the deflection point—because of the then reduced extension speed of the strap guide means. This also reduces the previously annoying noise.
  • this can also mean that damping of the gear wheel, which preferably drives the belt guide means, can be omitted.
  • the gear wheel can be manufactured more easily on the one hand and, on the other hand, the engagement of the gear wheel in the belt guide means can be more exact or more precise due to the omission of the damping.
  • a control device which is set up to control the conveyor device in such a way that the extension speed of the sliver guide means in a last section of the target extension length of the guide carriage before reaching the deflection point is compared with an extension speed before the last section of the target - Extension length is reduced and/or that the extension speed of the sliver guide means after reaching the deflection point is increased compared to the extension speed of the sliver guide means in the last section of the target extension length of the guide carriage before reaching the deflection point.
  • Such a control of the extension speed by a control device which for this purpose preferably uses the data of the adjustment device, in particular the actual extension length, has proven itself in a special way.
  • the actual extension length of the guide carriage can be determined by the setting device by means of a direct or indirect measurement. For example, it is possible to measure the extended length of the length limiting strap and from this to determine the actual extended length of the guide carriage. Furthermore, it is also possible to directly or indirectly measure the extended length of the sliver guide means and then to determine the actual extended length of the guide carriage from this.
  • the actual extended length of the guide carriage itself can also be determined or measured directly.
  • the conveying device comprises an electric motor and the adjustment device determines the actual extended length of the guide carriage electronically based on the revolutions of the electric motor.
  • the term "detection or measurement of the revolutions of the electric motor” can also include the detection or measurement of partial revolutions of the electric motor.
  • the electric motor includes an incremental encoder.
  • Determining the actual extended length of the guide carriage based on the revolutions of the electric motor or the data from the electric motor using an incremental encoder has proven to be particularly suitable.
  • the adjusting device can be set up in such a way that it compares the actual extension length, which was preferably detected via the revolutions of the electric motor, in particular an incremental encoder, with the target extension length and controls the fixing device accordingly.
  • the setpoint extension length of the guide carriage can preferably be set electronically via a corresponding input field of the setting device, which can be designed as part of the control device.
  • the setting device is set up to control the conveyor device after it has been switched on and/or as required in such a way that the conveyor device moves the guide carriage to a reference position.
  • the setting device controls the conveyor device after switching on and/or if necessary in such a way that the conveyor device moves the guide carriage to a reference position can be easily ensured that the measurement of the actual extension length of the guide carriage is error-free. According to the invention, it can be provided that the setting device controls the conveyor device in such a way that the guide carriage is first moved back or retracted to a stop and then moved out again to a defined reference position.
  • the fixing device is fixed in a stationary manner on the device according to the invention or a housing of the device according to the invention and the length limiting strap or a device connected to the length limiting strap, which is considered part of the length limiting strap in this respect, has appropriately designed stop elements, in which then engages the fixing device as required, according to the specifications of the desired extension length and the determined actual extension length.
  • the fixing device is designed to act on the length limiting band in a form-fitting and/or non-positive manner in order to fix the length limiting band.
  • a configuration of the fixing device in such a way that it acts on the length-limiting strap in a form-fitting and/or non-positive manner in order to stop the pull-out movement of the length-limiting strap has proven to be particularly suitable.
  • the length-limiting strap has stop elements arranged one behind the other in the longitudinal direction of the length-limiting strap.
  • Such a configuration has proven to be particularly suitable, in particular for making the fixing device stationary on the device or the housing and yet being able to set different target extension lengths of the guide carriage in a simple manner.
  • the stop elements are arranged at least along a section of the length-limiting strap in a regular grid dimension.
  • the stop elements are arranged in a regular grid.
  • a grid size of 2 to 20 cm, preferably 5 to 15 cm, more preferably 10 cm +/- 2 cm and very particularly preferably 10 cm can be selected here.
  • the target extension length can be entered via a corresponding control panel, with the adjustable target extension lengths being particularly preferably specified in the control panel.
  • the setting device is set up in such a way that it controls the fixing device, in particular if this is intended to act in a form-fitting manner on the length-limiting strap or the stop elements of the length-limiting strap, before the guide carriage has reached the desired extension length, in particular in such a way that the fixing device is activated after the stop element has passed the fixing device, which precedes the stop element of the length limiting strap with which the form-fitting connection is to be established.
  • This measure ensures that the fixing device positively engages in the length limiting strap or interacts with the selected stop element of the length limiting strap, independently of the selected extension speed.
  • stop elements are designed as recesses in the length-limiting strap and/or as projections.
  • the design of the stop elements as recesses and/or as projections in the length-limiting strap has proven to be particularly suitable. It is particularly advantageous for the recesses in the length-limiting band to be in the form of oblong holes or rectangular recesses. It can be provided in particular that the cutouts have a rectangular shape in which the two longer sides of the rectangle extend in the longitudinal direction of the length limiting strap, so that the main axis of the rectangular cutouts extends parallel to the longitudinal axis of the length limiting strap, which means that the fixing device is particularly advantageous Way can engage in the recesses.
  • the length-limiting strap can preferably be designed as a plastic strap.
  • the fixing device has an actuating unit which, in order to limit the extension movement of the length-limiting strap, brings a fixing element into positive engagement with one of the stop elements of the length-limiting strap.
  • Such an embodiment has proven to be particularly suitable for reliably ensuring that the pull-out movement of the length-limiting strap is stopped.
  • the fixing device moves the fixing element in such a way that the fixing element moves in the displacement path, d. H. the pull-out path of the selected stop element of the length limiting strap.
  • the fixing element interacts with a damping element in order to stop an extension movement of the length-limiting strap in a damped manner.
  • control device being controlled on the basis of the data from the setting device in such a way that the extension speed of the sliver guide means is reduced when the deflection point is reached, it can be advantageous to design the fixing element to be damped, so that the forces that occur or the Impact, which results from the engagement of the fixing element in the stop elements, is dampened or reduced.
  • the damping element can be designed as a spring or as an elastic damping element, for example as a rubber element.
  • the damping element can rest against a front side of the fixing element that is at the front in the extension direction of the strap guide means, so that the fixing element is damped when it is subjected to a corresponding force in the extension direction by the stop element of the length limiting strap, in which the fixing element engages.
  • the setting device is set up to detect the position of the fixing element and/or the setting unit.
  • the setting device detects the position of the fixing element and/or the position of the setting unit, the user can determine in an advantageous manner whether the length limiting strap and thus also the guide carriage is locked or freely movable.
  • the setting device also detects an (undefined) position of the fixing element and/or the setting unit, which is between the unlocked and the locked position, in particular when the setting unit, controlled by the setting device, wants to fix the length limiting strap with the fixing element, but Length limiting tape is not yet in a position in which the fixing element can engage in a stop element, such as a recess.
  • the fixing element is prestressed in the direction of the length limiting strap.
  • This configuration is particularly suitable if the stop elements are designed as recesses in the length-limiting strap.
  • the fixing element can then particularly advantageously penetrate into the recesses. If the adjusting device already feeds the fixing element in the direction of the length limiting strap or its stop element before the stop element of the length limiting strap is positioned accordingly, the fixing element can move in a direction away from the length limiting strap due to the pretension by the Length-limiting band are pushed back or run along the length-limiting band rubbing until the corresponding stop element is in position, so that the fixing element can penetrate into the recess, supported by the pretension.
  • the fixing element and/or the actuating unit are designed in such a way that the fixing element is locked to one of the stop elements by a spring force when the actuating unit is in the de-energized state.
  • Such a configuration ensures that the length-limiting belt or the guide carriage cannot move freely in the de-energized state.
  • the actuating unit is designed as a lifting magnet and/or the fixing element is designed as a bolt.
  • the fixing element can preferably be arranged in a receptacle which is fixed in an articulated or pivotable manner in such a way that the receptacle with the fixing element can be moved by the lifting magnet, for example raised and lowered.
  • the damping element can preferably also be arranged in the receptacle, which interacts with the fixing element in such a way that an extension movement of the length limiting strap is stopped in a damped manner when the fixing element is brought into positive engagement with one of the stop elements of the length limiting strap, in particular a recess.
  • the fixing element is preferably prestressed in the direction of the length-limiting strap by means of a resilient configuration or an elastic element.
  • a resilient configuration or an elastic element can be realized in particular by suitable positioning of the fixing element in the receptacle and a spring element or an elastic element which acts on the fixing element on the side facing away from the length-limiting strap.
  • the fixing element is designed as a latch or as a stop cam.
  • the bolt or the stop cam can be dampened by a damping element, as described, and can also be prestressed in the direction of the length limiting band and preferably arranged in a receptacle.
  • the sliver guide means is designed as a guide chain and the conveying device has at least one gear wheel which engages in the guide chain for moving the guide chain in and out.
  • the belt guide means as a guide chain, in particular as a guide chain with a stiff back, has proven particularly effective.
  • the preferably provided toothed wheel which engages in the guide chain for moving the guide chain in and out, is preferably designed without damping elements. In principle, however, damping elements can be provided.
  • the toothed wheel is preferably designed in such a way that it engages in the guide chain with as little tolerance as possible in order to enable the guide chain to be extended and retracted with as little play as possible.
  • the guide chain can preferably comprise bolts or transverse webs which run transversely to the feed direction and in which the toothed wheel engages accordingly.
  • the method according to the invention for strapping packaged goods with at least one strapping provides that the strapping is fixed to a strap guide, after which the strap guide is extended by a conveyor, after which a guide carriage detachably connected to the strap guide is guided under the packaged goods together with the strap guide and up to is extended to a deflection point, after which a length-limiting strap fixed to the guide carriage is pulled out with the guide carriage, after which a target extension length of the guide carriage is set up to the deflection point by adjusting the extendable length of the length-limiting strap.
  • an actual extension length of the guide carriage is determined, after which the extension movement of the length limiting strap is stopped when the target extension length of the guide carriage is reached, after which an extension speed of the strap-guiding means in a last section of the target extension length of the guide carriage before the deflection point is reached compared to an extension speed before the last section of the target extension length is reached and/or that the extension speed of the sliver guide means after reaching the deflection point is increased compared to the extension speed of the sliver guide means in the last section of the target extension length of the guide carriage will.
  • the extension movement of the length limiting strap can be stopped in a targeted manner when the target extension length of the guide carriage is reached.
  • the knowledge of the actual extension length also allows the extension speed of the strap guide means to be advantageously controlled in order to achieve a high strapping speed on the one hand and to be able to reduce the mechanical load at the deflection point on the other.
  • the invention also relates to a computer program product with program code means for carrying out the method according to the invention when the program is executed on a control device of a device according to claim 1 for strapping packaged goods.
  • FIG 1 a strapping device known from the prior art is shown. A general mode of operation of such a device for strapping is described below on the basis of this figure 1 described. For this is also on the EP 1 053 941 B1 referred.
  • the figures 2 , 3 and 4 show a device for strapping according to the invention, in which in particular an adjustment device and a fixing device are provided, by means of which the device for strapping known from the prior art is further improved.
  • Possible advantageous designs of a length-limiting band or the fixing device are in the Figures 5 to 7 shown.
  • the figure 1 shows a device 1 for strapping packaged goods 2, in particular packages or objects.
  • the packaged goods 2 can stand, for example, on pallets 3 or the like and be connected to the pallet 3 with the aid of a strap 4 for transport or storage.
  • the device 1 of figure 1 has a strap guide means 5 for guiding the strap 4, which is designed in particular as a guide chain 5.
  • the tape guide means 5 is preferably designed as a guide chain, but the embodiment is not limited to this.
  • the guide chain 5 preferably has a large number of links 6 which are connected to one another, for example by means of bolts which are not described in any more detail.
  • the guide chain 5 or its links 6 is preferably made of plastic.
  • a conveyor device 7 is provided for extending and retracting the guide chain 5 .
  • the guide device 7 engages in the guide chain 5 in order to extend or retract it from a housing 8 of the device 1 .
  • a supply roll (not shown) for the strapping band 4 can also be fixed to the housing 8 .
  • the strapping band 4 can preferably be fixed at a front end of the guide chain 5 so that the strapping band 4 can be extended with the guide chain 5 .
  • the conveying device 7 preferably has a gear wheel 9 which engages in the guide chain 5 or the links 6 with its teeth. It can be provided that the toothed wheel 9 engages in transverse webs of the links 6 which run transversely to the extension movement of the guide chain 5 .
  • the gearwheel 9 or the conveying device 7 can also operate the guide chain 5 in some other way in order to move it in and out.
  • the conveyor 5 can be by hand or, as in the embodiments according to Figures 2 to 7 preferably provided to be driven by an electric motor 10.
  • the electric motor 10 is in the Figures 3 and 4 indicated by dashed lines.
  • the extension and retraction movement of the guide chain 5 can be generated by the electric motor 10 or a hand crank.
  • the device has a guide carriage 11 which preferably has a deflection unit 12 and a pushing part 13 .
  • the guide carriage 11 is in figure 1 (and also in figure 4 ) extended up to a set extension length or up to a deflection point.
  • the carriage 11 is in the figure 1 (and in figure 4 ) is shown in its deflection position, in which the deflection unit 12 is pivoted about 90 degrees relative to its normal position about the axis of rotation 14 or a bolt.
  • the axis of rotation 14 forms the pivot point for the pivoting movement of the deflection unit 12 and is arranged transversely to the direction of retraction movement (arrow marked with reference number 15) and to the direction of extension movement (arrow marked with reference number 16).
  • the axis of rotation 14 forms a form-fitting and rotatable connection between the deflection unit 12 of the guide carriage 11 and its push part 13.
  • the guide chain 5 is deflected by the deflection unit 12 in such a way that, starting from the floor on which the device 1 is standing, it is deflected upwards, as is shown in FIG figure 1 and also in figure 4 is shown.
  • the guide carriage 11 is extended together with the guide chain 5 to the desired extension length up to the deflection point and the guide chain 5 is correspondingly deflected by the deflection unit 12 at the deflection point.
  • the guide carriage 11 is thereby extended by the guide chain 5, which is driven accordingly via the conveyor 7.
  • the guide carriage 11 and the guide chain 5 are carried out under the packaged goods 2, in the exemplary embodiment also under the pallet 3.
  • the desired extension length is dimensioned in such a way that the deflection point is located at a point at which the guide carriage 11 exits below the pallet 3 again. This is in figure 1 shown accordingly.
  • a clamping device 17 is arranged at a front end of the guide chain 5, with which the strap 4 is fixed to the guide chain 5 before the start of the strapping process.
  • the clamping device 17 can be designed, for example, as a self-clamping eccentric bolt, which is rotatably mounted via a bolt 18 .
  • the guide chain 5 can have a release cam 19 firmly connected thereto at this end, as well as a slot 20 arranged in the guide chain 5 .
  • the release cam 19 and the slot 20 serve to detachably connect the guide carriage 11 to the guide chain 5.
  • a length limiting band 21 is shown, which is preferably attached at one end to the push part 13 of the guide carriage 11 and can be fixed at the other end via an end stop 22 attached to the length limiting band 21 to the device 1 or a fixed part of the housing 8.
  • an end stop 22 and an in figure 1 movable counter-stop 23 can be - with the in figure 1 device 1 of the prior art shown - set the distance that can be covered by the guide carriage 11 .
  • a length limiting tape 21 is also provided.
  • the device 1 according to the invention such as those in the Figures 2 to 7 is shown, however, discloses an adjustment of the length limiting tape 21, which is different from the illustration in FIG figure 1 deviates. This is subsequently based on the Figures 2 to 7 shown in more detail.
  • the length-limiting strap has an end stop 22, in particular so that it is avoided that the length-limiting strap 21 is completely pulled out of the device 1 or in the housing 8.
  • a counter-stop 23 can then also be provided, which interacts with the end stop 22 in such a way that complete extraction is avoided.
  • the counter-stop 23 is then preferably no longer movable, but fixed, preferably to the housing 8 , in particular to a plate of the housing 8 . This is in the Figures 3 and 4 shown in principle.
  • the length limiting strap 21 is connected to the guide carriage 11 and can be pulled out with the guide carriage 11 .
  • an adjustment device 24 is provided in order to adjust the desired extension length of the guide carriage 11 up to the deflection point. The functioning of the adjustment device 24 and its design is explained in more detail below with reference to FIG Figures 2 to 7 shown.
  • figure 1 only serves to illustrate a functional principle of the device 1 according to the invention, which has proven to be suitable, but the realization of the solution according to the invention is not limited to the figure 1 shown specific configuration limited.
  • the guide chain 5 can be detachably connected to the guide carriage 11 via a special locking mechanism 25, as follows.
  • the locking mechanism 25 has a rotatably mounted lever 26 which is rotatably mounted via a bolt (not labeled).
  • the coupled forward extension movement 16 of the guide chain 5 with the connected guide carriage 11 takes place according to the in figure 1 illustrated embodiment until the guide carriage 11 is stopped in its position, for example with the help of the length limiting belt 21, ie the end stop 22 strikes the movable counter-stop 23.
  • the distance covered by the guide carriage 11 can be variably adjusted via the end stop 22 .
  • a bearing block 27 prevents a locking pin (not shown) connected to the guide carriage 11 from jumping out of the slot 20 by striking the end face of the locking pin the support block 27 is present.
  • FIG EP 1 053 941 B1 The configuration described above is also detailed in FIG EP 1 053 941 B1 shown, which is hereby incorporated by reference.
  • the aforementioned configuration is optional within the scope of the present invention, but can be advantageous.
  • the strap guide means designed as a guide chain 5 is conveyed upwards along a side wall of the packaged goods 2 to be packaged essentially perpendicularly to the floor.
  • a tipping over of the guide chain 5 away from the packaged goods 2 to be packaged is prevented by their rigid back design.
  • the strapping band 4, which is preferably guided on the back of the guide chain 5, keeps the latter under pretension, so that a tipping over to the packaged goods 2 to be packaged is also prevented.
  • the tension of the strapping band 4 can be released, for example, by briefly interrupting the extension movement, so that the guide chain 5 can be tilted onto the package 2 as desired when it protrudes a certain amount beyond the top edge of the packaged goods 2 to be packaged. From there, the guide chain 5 is conveyed back towards the device 1 on the packaged goods 2 to be packaged.
  • the aforesaid sequence of movements has proven to be advantageous, but is optional for realizing the present invention.
  • the clamping device 17 is released when the guide chain 5 is retracted.
  • the guide chain 5 can be conveyed back into the device, with the deflection unit 12 being released again during the return movement (arrow 15) with the aid of the release cam 19 and the lever 26 is connected to the free end of the guide chain 5.
  • the locking of the deflection unit 12 is released, so that it can be pivoted back into its normal position.
  • the release cam 19 pushes the front bent end of the lever 26 away from the rigid-backed guide chain 5, whereby the locking pin located at the other end of the lever 26 is pushed through the slot 20 of the guide chain 5 again and the desired coupling is achieved.
  • the guide chain 5 takes the newly coupled guide carriage 11 back into the device 1.
  • the present invention now differs from the prior art in that the target extension length of the guide carriage 11 can be adjusted by means of the adjustment device 24 and the adjustment device 24 is set up to an actual extension length of the guide carriage 11, preferably continuously while the guide carriage 11 is extended is to be determined and, depending on the target extension length, a fixing device 28 is controlled by the adjusting device 24, which stops the extension movement of the length limiting strap 21.
  • a fixing device 28 is controlled by the adjusting device 24, which stops the extension movement of the length limiting strap 21.
  • the variable extended length of the length limiting strap 21 is no longer set by the end stop 22 and the counter stop 23 that can be variably fastened to the housing 8, but by the setting device 24 or the correspondingly controlled fixing device 28, which will be explained in more detail below.
  • the conveyor device 7 comprises the electric motor 10, which, preferably via the illustrated gear wheel 9, moves the guide chain 5 in and out.
  • the setting device 24 is set up in such a way that it electronically determines the actual extended length of the guide carriage 11 based on the data from the electric motor 10, in particular based on the revolutions of the electric motor 10, with the setting device 24 also determining partial revolutions of the electric motor 10.
  • the electric motor 10 has an incremental encoder 27 with the aid of which the revolutions of the electric motor 10 or the angular position and thus the actual extended length of the guide carriage 11 are determined based on the extended length of the guide chain 5 .
  • the setting device 24 is preferably set up in such a way that the conveyor device 7 can be activated after it has been switched on and/or if required in such a way that the conveyor device 7 moves the guide carriage 11 to a reference position. It is preferably provided that the conveying device 7 moves the guide carriage 11 into the device 1 or the housing 8 up to a stop.
  • the maximum retracted position can represent the reference position. However, it is preferable if the reference position deviates from the maximum retracted position of the guide carriage 11, ie that the guide carriage 11 is slightly extended from the maximum retracted position in the direction of arrow 16 and the corresponding position then the reference position is.
  • the incremental encoder 29, for example can then be referenced using the reference position.
  • the fixing device 28 is designed to fix the length limiting strap 21 in a positive and/or non-positive manner (e.g. by means of clamping jaws) or to act on it accordingly.
  • the length-limiting band 21 has stop elements 30 arranged one behind the other in the longitudinal direction of the length-limiting band 21 .
  • the stop elements 30 are exemplary in the figure 5 shown.
  • the stop elements 30 preferably extend at least along a section of the length limiting strap 21.
  • the stop elements 30 preferably extend along the section in a regular grid, so that in a regular grid dimension of preferably 5 to 15 cm, particularly preferably 10 cm, fixing or A stopping of the length limiting tape 21 can take place.
  • the stop elements 30 are designed as recesses, in particular in the form of oblong holes, in the length-limiting strap 21 .
  • the stop elements 30 are designed as projections in order to create a positive connection with a correspondingly designed element of the fixing device 28 .
  • the fixing device 28 to have an actuating unit 31 which, in order to limit the extension movement of the length-limiting strap 21, positively engages a fixing element 32 with one of the stop elements, designed as recesses 30, of the length-limiting strap 21 ( figure 5 ) brings.
  • the actuating device 31 is designed as a lifting magnet and the fixing element 32 as a bolt.
  • the bolt 32 is arranged in a receptacle 33, which can be designed in the manner of a flat housing.
  • the receptacle 33 is preferably fixed via a rotatable mounting axle 34 to a fixed part of the housing 8, preferably between two fixed plates of the housing 8.
  • the receptacle 33 can be pivoted about the fastening axis 34 when the lifting magnet 31 is operated accordingly.
  • the receptacle 33 also has a projection 35 on which the lifting magnet 31 can act accordingly. This is in the Figures 6 and 7 shown accordingly.
  • the lifting magnet 31 can thus pivot the receptacle 33 and thus also the bolt 32 about the fastening axis 34, in particular raise and lower it, so that the bolt 32 can be brought into engagement with one of the recesses 30 of the length limiting band 21 if necessary.
  • the control of the solenoid 31 or the Fixing device 28 takes place on the basis of the data from the setting device 34, in particular on the basis of the determined actual extension length of the guide carriage 11 and the intended target extension length of the guide carriage 11.
  • the fixing element in particular the bolt 32, interacts with a damping element 36 in order to dampen the pull-out movement of the length-limiting strap 21 to a stop.
  • the damping element 36 is in figure 6 shown dashed.
  • the dampening element 36 causes the latch 32, when loaded with a force in the direction of the dampening element 36 resulting from the latch 32 being brought into engagement with the recess 30, to dampen the length limiting strap 21 not abruptly by the damping element 36, due to the resulting possible evasive movement of the bolt 32 stops.
  • the damping element 36 can be a spring, for example, but is preferably an elastic element, for example a rubber element or a correspondingly suitable elastomer.
  • the bolt 32 or the receptacle 33 in which the bolt 32 is arranged, and/or the lifting magnet 31 are preferably designed in such a way that, when the lifting magnet 31 is de-energized, the bolt 32 can be actuated by a spring force (not shown) with one of the recesses 30 of the length limiting tape 21 locked as soon as a recess 30 is in a corresponding position with the latch 32.
  • This ensures that the guide carriage 11 cannot be moved as desired when the lifting magnet 31 is de-energized, but is fixed, at the latest when the guide carriage 11 is displaced in such a way that one of the recesses 30 of the length limiting band 21 is in a position corresponding to the bolt 32 is brought.
  • the guide carriage 11 can thus be displaced by the grid dimension at most when the lifting magnet 31 is de-energized.
  • the adjusting device 37 has a bore 35a or any attachment point on which a movable element 31a of the lifting magnet 31 can engage in order to move the receptacle 33 .
  • the bolt 32 is prestressed in the direction of the length limiting strap 21 by a spring force. It is preferably provided in the exemplary embodiment that the adjustment device 24 causes the fixing device 28 to bring the bolt 32 into position accordingly shortly before it reaches the recess 30 into which the bolt 32 is to move. In order to avoid high friction between the latch 32 and the length limiting band 21 when no recess 30 is in position, it can therefore be advantageous for the latch 32 to move backwards, ie away from the length limiting band 21, against the force of a spring can. The spring force also ensures that the locking bar 32 penetrates into the recess 30 in a particularly reliable manner.
  • the conveyor device 7 is controlled by a control device 37, which receives the corresponding data from the setting device 24, in such a way that the extension speed of the guide chain 5 in a last section of the target extension length of the guide carriage 11 before reaching the deflection point is compared with a Extension speed is reduced before the last section of the target extension length.
  • a control device 37 which receives the corresponding data from the setting device 24, in such a way that the extension speed of the guide chain 5 in a last section of the target extension length of the guide carriage 11 before reaching the deflection point is compared with a Extension speed is reduced before the last section of the target extension length.
  • the setting device 24 is designed as part of the control device 37 .
  • the device 1 according to the invention preferably has a display, not shown in any more detail, in which several target extension lengths are preset and can be selected by the user.
  • the display preferably also shows whether the length limiting belt 21 or the guide carriage 11 is locked, unlocked or undefined.
  • a length-limiting strap 21 is shown as an example, with an end stop 22 optionally also being provided so that the length-limiting strap 21 preferably cannot be completely pulled out of the device 1 or the housing 8 .
  • fastening points 38 are also shown on the end of the length limiting band 21 facing away from the end stop 22, which serve to fix the length limiting band 21 to the guide carriage 11.
  • a skid part 39 is shown at the front end of the guide carriage 11, the end section of which points away from the floor, so that the guide carriage 11 can compensate for minor unevenness, such as the pallet crosspieces, on the floor in a particularly simple manner.
  • the skid part 39 can in principle also be designed in such a way that it has an end section pointing upwards at both ends, so that unevenness can be compensated for in both directions of movement of the guide carriage 11 (retraction movement 15 or extension movement 16).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (17)

  1. Dispositif (1) pour cercler des marchandises emballées (2) avec au moins une bande de cerclage (4), comprenant un moyen de guidage de bande (5) pour guider la bande de cerclage (4), un dispositif de transport (7) pour étendre et rétracter le moyen de guidage de bande (5), un chariot de guidage (11) qui peut être étendu, conjointement au moyen de guidage de bande (5), sur une longueur d'extension nominale jusqu'à un point de renvoi, une bande de limitation de longueur (21) reliée au chariot de guidage (11) et pouvant être étendue avec le chariot de guidage (11), et un dispositif de réglage (24) pour régler la longueur d'extension nominale du chariot de guidage (11) jusqu'au point de renvoi, le chariot de guidage (11) présentant une unité de renvoi (12) qui permet au moyen de guidage de bande (5) d'effectuer le renvoi au point de renvoi,
    caractérisé en ce que
    le dispositif de réglage (24) est agencé pour déterminer une longueur d'extension réelle du chariot de guidage (11) et pour contrôler en fonction de la longueur d'extension nominale du chariot de guidage (11) un dispositif de fixation (28) qui arrête le mouvement d'extraction de la bande de limitation de longueur (21).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    le dispositif de transport (7) comprend un moteur électrique (10) et le dispositif de réglage (24) détermine électroniquement la longueur d'extension réelle du chariot de guidage (11) sur la base des rotations du moteur électrique (10).
  3. Dispositif selon la revendication 2,
    caractérisé en ce que
    le moteur électrique (10) comprend un codeur incrémental (29).
  4. Dispositif selon la revendication 1, 2 ou 3,
    caractérisé en ce que
    le dispositif de réglage (24) est agencé pour commander le dispositif de transport (7), après l'activation et/ou en cas de besoin, de sorte que le dispositif de transport (7) place le chariot de guidage (11) sur une position de référence.
  5. Dispositif selon une des revendications 1 à 4,
    caractérisé en ce que
    le dispositif de fixation (28) est configuré pour réaliser la fixation de la bande de limitation de longueur (21) sur la bande de limitation de longueur (21) par emboitement et/ou par adhérence.
  6. Dispositif selon une des revendications 1 à 5,
    caractérisé en ce que
    la bande de limitation de longueur (21) présente des éléments de butée (30) disposés les uns derrière les autres dans la direction longitudinale de la bande de limitation de longueur (21).
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    les éléments de butée (30) sont disposés à intervalles réguliers au moins le long d'une section de la bande de limitation de longueur (21).
  8. Dispositif selon la revendication 6 ou 7,
    caractérisé en ce que
    les éléments de butée (30) sont configurés comme des évidements dans la bande de limitation de longueur (21) et/ou comme des protubérances.
  9. Dispositif selon une des revendications 6, 7 ou 8,
    caractérisé en ce que
    le dispositif de fixation (28) présente une unité de réglage (31) qui, pour limiter le mouvement d'extension de la bande de limitation de longueur (21), met un élément de fixation (32) en prise par emboîtement avec un des éléments de butée (30) de la bande de limitation de longueur (21).
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    l'élément de fixation (32) coopère avec un élément d'amortissement (36) pour arrêter de façon amortie un mouvement d'extension de la bande de limitation de longueur (21).
  11. Dispositif selon la revendication 9 ou 10,
    caractérisé en ce que
    le dispositif de réglage (24) est agencé pour enregistrer la position de l'élément de fixation (32) et/ou de l'unité de réglage (31).
  12. Dispositif selon une des revendications 9, 10 ou 11,
    caractérisé en ce que
    l'élément de fixation (32) et/ou l'unité de réglage (31) sont configurés de telle sorte que, lorsque l'unité de réglage (31) est hors tension, l'élément de fixation (32) est verrouillé par une force de ressort avec un des éléments de butée (30).
  13. Dispositif selon une des revendications 9 à 12,
    caractérisé en ce que
    l'unité de réglage (31) est configurée comme un aimant de levage et/ou l'élément de fixation (32) comme un verrou.
  14. Dispositif selon une des revendications 1 à 13,
    caractérisé en ce que
    le moyen de guidage de bande (5) est configuré comme une chaîne de guidage et le dispositif de transport (7) présente au moins une roue dentée (9) qui s'engrène dans la chaîne de guidage (5) pour rétracter et étendre la chaîne de guidage (5).
  15. Dispositif selon une des revendications 1 à 14,
    caractérisé en ce qu'
    il est prévu un dispositif de commande (37) qui est agencé pour commander le dispositif de transport (7) de telle sorte que la vitesse d'extension du moyen de guidage de bande (5) dans une dernière section de la longueur d'extension nominale du chariot de guidage (11) avant d'atteindre le point de renvoi est réduite par rapport à une vitesse d'extension avant la dernière section de la longueur d'extension nominale et/ou que la vitesse d'extension du moyen de guidage de bande (5) après avoir atteint le point de renvoi est augmentée par rapport à la vitesse d'extension du moyen de guidage de bande (5) dans la dernière section de la longueur d'extension nominale du chariot de guidage (11) avant d'atteindre le point de renvoi.
  16. Procédé pour cercler des marchandises emballées (2) avec une bande de cerclage (4) selon lequel la bande de cerclage (4) est fixée à un moyen de guidage de bande (5), selon lequel le moyen de guidage de bande (5) est étendu par un dispositif de transport (7), selon lequel un chariot de guidage (11) relié de façon détachable avec le moyen de guidage de bande (5) est passé conjointement au moyen de guidage de bande (5) sous les marchandises emballées (2) et étendu jusqu'à un point de renvoi, selon lequel une bande de limitation de longueur (21) fixée au chariot de guidage (11) est étirée avec le chariot de guidage (11), selon lequel une longueur d'extension nominale du chariot de guidage (11) est réglée jusqu'au point de renvoi, la longueur étirable de la bande de limitation de longueur (21) étant réglée,
    caractérisé en ce que
    une longueur d'extension réelle du chariot de guidage (11) est déterminée pendant l'extension du chariot de guidage (11), après quoi le mouvement d'extension de la bande de limitation de longueur (21) est arrêté lorsque la longueur d'extension nominale du chariot de guidage (11) est atteinte, après quoi une vitesse d'extension du moyen de guidage de bande (5) dans une dernière section de la longueur d'extension nominale du chariot de guidage (11) avant d'atteindre le point de renvoi est réduite par rapport avec une vitesse d'extension avant d'atteindre la dernière section de la longueur d'extension nominale et/ou la vitesse d'extension du moyen de guidage de bande (5) après avoir atteint le point de renvoi est augmentée par rapport à la vitesse d'extension du moyen de guidage de bande (5) dans la dernière section de la longueur d'extension nominale du chariot de guidage (11).
  17. Produit de programme informatique avec des moyens de codage logiciel pour mettre en œuvre un procédé selon la revendication 16 quand le programme est exécuté sur un dispositif de commande (37) d'un dispositif (1) selon la revendication 1 pour cercler des marchandises emballées (2).
EP19748785.3A 2019-07-22 2019-07-29 Dispositif et procédé pour cercler des marchandises emballées Active EP3877267B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201930242T SI3877267T1 (sl) 2019-07-22 2019-07-29 Naprava in metoda za pritrjevanje pakiranih izdelkov s trakom

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019119702.3A DE102019119702A1 (de) 2019-07-22 2019-07-22 Vorrichtung und Verfahren zum Umreifen von Packgut
PCT/EP2019/070392 WO2021013365A1 (fr) 2019-07-22 2019-07-29 Dispositif et procédé pour cercler des marchandises emballées

Publications (2)

Publication Number Publication Date
EP3877267A1 EP3877267A1 (fr) 2021-09-15
EP3877267B1 true EP3877267B1 (fr) 2022-02-23

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US (1) US12084212B2 (fr)
EP (1) EP3877267B1 (fr)
JP (1) JP7323650B2 (fr)
KR (1) KR20220034126A (fr)
CA (1) CA3144127C (fr)
DE (1) DE102019119702A1 (fr)
DK (1) DK3877267T3 (fr)
ES (1) ES2918179T3 (fr)
HU (1) HUE059402T2 (fr)
LT (1) LT3877267T (fr)
PL (1) PL3877267T3 (fr)
PT (1) PT3877267T (fr)
SI (1) SI3877267T1 (fr)
WO (1) WO2021013365A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115416891B (zh) * 2022-08-22 2024-08-06 青岛欣欣向荣智能设备有限公司 打包带输送机构及打包设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3213781A (en) * 1959-10-23 1965-10-26 Interlake Steel Corp Strap guide
US3613557A (en) * 1970-08-06 1971-10-19 Interlake Inc Adjustable platen track
DE29908906U1 (de) 1999-04-10 1999-09-02 Kimmerle Holz GmbH, 89420 Höchstädt Verpackungsvorrichtung
DE59903537D1 (de) * 1999-04-10 2003-01-09 Ergopack Deutschland Gmbh Vorrichtung zur umreifung einer palettisierten ladung
DE10315530A1 (de) 2003-04-04 2004-10-14 Ergopack Deutschland Gmbh Vorrichtung zum Umreifen
DE102010029992A1 (de) 2010-06-11 2011-12-15 Ergopack Deutschland Gmbh Vorrichtung und Verfahren zur Umreifung von Paletten und Gegenständen und Verwendung eines Führungselements
DE102012217805A1 (de) * 2012-09-28 2014-04-03 Ergopack Deutschland Gmbh Vorrichtung zum Umreifen
PL3466820T3 (pl) 2017-10-05 2020-08-10 Pamminger Verpackungstechnik Ges.m.b.H. Urządzenie do opasywania pakunków

Also Published As

Publication number Publication date
EP3877267A1 (fr) 2021-09-15
HUE059402T2 (hu) 2022-11-28
WO2021013365A1 (fr) 2021-01-28
US12084212B2 (en) 2024-09-10
JP2022543969A (ja) 2022-10-17
JP7323650B2 (ja) 2023-08-08
CA3144127C (fr) 2022-11-22
CA3144127A1 (fr) 2021-01-28
DK3877267T3 (da) 2022-05-23
PT3877267T (pt) 2022-05-26
US20220348366A1 (en) 2022-11-03
KR20220034126A (ko) 2022-03-17
LT3877267T (lt) 2022-08-10
SI3877267T1 (sl) 2022-07-29
ES2918179T3 (es) 2022-07-14
PL3877267T3 (pl) 2022-09-05
DE102019119702A1 (de) 2021-01-28

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