EP1818263B1 - Procédé pour emballer des produits et son usage dans une machine correspondante - Google Patents

Procédé pour emballer des produits et son usage dans une machine correspondante Download PDF

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Publication number
EP1818263B1
EP1818263B1 EP06002766A EP06002766A EP1818263B1 EP 1818263 B1 EP1818263 B1 EP 1818263B1 EP 06002766 A EP06002766 A EP 06002766A EP 06002766 A EP06002766 A EP 06002766A EP 1818263 B1 EP1818263 B1 EP 1818263B1
Authority
EP
European Patent Office
Prior art keywords
bag
over
station
longitudinal portion
guide
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.)
Not-in-force
Application number
EP06002766A
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German (de)
English (en)
Other versions
EP1818263A1 (fr
Inventor
Manfred Hauers
Dieter Vits
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.)
Teepak Spezialmaschinen GmbH and Co KG
Original Assignee
Teepak Spezialmaschinen GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teepak Spezialmaschinen GmbH and Co KG filed Critical Teepak Spezialmaschinen GmbH and Co KG
Priority to EP06002766A priority Critical patent/EP1818263B1/fr
Priority to DE502006001188T priority patent/DE502006001188D1/de
Priority to AT06002766T priority patent/ATE402080T1/de
Priority to ES06002766T priority patent/ES2309840T3/es
Priority to PT06002766T priority patent/PT1818263E/pt
Publication of EP1818263A1 publication Critical patent/EP1818263A1/fr
Application granted granted Critical
Publication of EP1818263B1 publication Critical patent/EP1818263B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status 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
    • B65B7/00—Closing containers or receptacles after filling
    • B65B7/02—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks
    • B65B7/06—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by collapsing mouth portion, e.g. to form a single flap
    • B65B7/08—Closing containers or receptacles deformed by, or taking-up shape, of, contents, e.g. bags, sacks by collapsing mouth portion, e.g. to form a single flap and folding
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/146—Closing bags

Definitions

  • the following invention relates to a method for packaging bulk material and a device used for this purpose. More particularly, the present invention relates to a method for packaging bulk material in which packaging material supplied from a supply is provided with a longitudinal weld to form a tube, the tube is closed on one side to form a bag, and a predetermined amount of bulk material is filled into the bag the bag-forming length portion is separated from the supplied packaging material and the bag is closed at the other end, wherein the filled bag is transferred upright to a processing line on which a projecting from the bag length of the packaging material is struck against the filled bag and secured there , Such a method is known from WO 2004 / 106167A known.
  • a supplied from a supply packaging material which is usually supplied in the form of a film web, provided to form a tube with a longitudinal weld.
  • the tube is closed transversely on one side, creating a bag.
  • a predetermined amount of bulk material is filled.
  • the bag can be closed on the upper side, preferably with the same device with which the supplied tube is closed on one side to form a further subsequent bag.
  • the filled bag is hereby regularly separated from the endlessly supplied tubing.
  • a cutting edge is provided between a transverse welding device for closing the other end of the bag and a transverse welding device for forming the next following bag.
  • a relatively long protruding from the bag length section is desired, for example, if the other end of the bag should be additionally secured by breaking the protruding length section against unwanted opening and mechanical stress. It is also conceivable to dispense with a seam closing the top of the bag and otherwise to realize the closure when using a relatively long projecting length of the flag.
  • Another method for processing the protruding from the bag length section is from the WO03 / 000554A1 known.
  • the present invention is intended to specify a method for packaging bulk material, which makes easier removal, in particular partial removal, of bulk material received in the bag possible.
  • the method is intended to enable the production of a bag for bulk material, in which the bulk material is securely and reliably enveloped by the packaging material.
  • the present invention further seeks to specify a device that can be used in carrying out the method.
  • the present invention proposes a method having the features of claim 1. Preferred developments are given in the dependent method claims 2 to 10.
  • the aforementioned shape-fill-seal method can be performed with the direction of movement of the supplied packaging material in the vertical or in the horizontal and any other direction of movement.
  • the bag At the end of the form-fill-seal process is the bag is placed in an upright position in which the one, at least in the form-fill-seal process closed side, which regularly forms the bottom of the bag is preferably deposited on the processing line.
  • the bag can already be closed on the other side when transferring to the processing line. However, this is not required for the present invention.
  • protruding from the bag length portion of the packaging material is struck against the filled bag and secured there.
  • the protruding length section this is applied against the contour of the filled bag.
  • the striking is preferably done by the free end of the protruding length is turned inwards and covered by a residual length of the protruding length portion to beat the free end of the protruding end portion inward.
  • the so folded projecting length portion is then secured against the filled bag. This can be done, for example, by selective welding of the section with the bag or different layers of the length section with each other.
  • the length portion is secured by an adhesive strip, which engages on the one hand on the length portion and on the other hand on the filled bag and preferably applies the length portion under tension to the contour of the filled bag.
  • an adhesive strip engages on the one hand on the length portion and on the other hand on the filled bag and preferably applies the length portion under tension to the contour of the filled bag.
  • the process control therefore offers, in particular in combination with air-tight sealed bags, for example according to DE 103 44 116 , the ability to produce easily stackable bag filled with bulk material.
  • the present invention it is proposed to continuously move the upright bag on the processing line.
  • the individual processing steps are preferably carried out here at cyclically reciprocating processing stations. These move during processing, d. H. upon striking the protruding length and securing it to the filled bag at the same speed as the continuously moving bag, and after this processing are brought in the opposite direction to a starting position at which the processing of the next filled bag begins.
  • Practical experiments have shown that in view of relatively low acceleration values and accordingly to avoid high mechanical stresses, the cycle in which the processing station is moved with the bag, can be about as large as the cycle in which the processing station in the opposite direction in the starting position is reduced. This preferred process allows the implementation of the method in a relatively narrow space.
  • the cyclically reciprocating masses can be kept low.
  • high acceleration values are possible, which allow economic processing of bags.
  • the preferred method allows easier synchronization of the continuously reciprocating processing stations with the continuously moving bags, so that the processing of the bags can be performed in the respective processing stations with great precision.
  • the abutment of the projecting length section against the filled bag and, on the other hand, the securing of this longitudinal section on the bag are carried out at different processing stations. This procedure reduces in particular the apparatus design and thus the cost of producing a device suitable for carrying out the method.
  • the plant produced in the first processing station of the protruding length section between the first and second processing station is fixed by a cyclically moving guide which rests against the upper side and thus against the top of the upright bag.
  • This guide can rest under spring preload.
  • the level and thus the filling level of the filled bag is determined and adjusted the height distance between a transporting the bag transport device and the guide so that it presses the chosen length section with sufficient contact force against the filled bag.
  • an adhesive strip is used which is applied to the filled bag through a window, which is opened on the guide.
  • the opening of the window and the application of the adhesive strip preferably takes place approximately in the middle of the longitudinal section, so that a single adhesive strip is sufficient to secure the damaged longitudinal section.
  • the cyclical movement of the processing stations is used to remove the adhesive strip from an adhesive tape feed and transfer it to the bag.
  • This concept is preferably further developed according to the invention in that the adhesive strip is transferred in an end position of the cyclical movement of the adhesive tape feed to the second processing station.
  • the transfer of the adhesive strip preferably takes place at a position above the window.
  • the adhesive strip is brought by the second processing station in the context of the cyclical movement thereof in its starting position.
  • the movement of the second processing station from the starting position to the end position is synchronized with the bag to be processed.
  • the window is opened and the adhesive strip is transferred from the initial position to the end position on the bag during the movement of the second processing station.
  • the bag to be closed at its other end is first moved, for example raised, against the feeding direction of the packaging material, preferably until the filled bag is on the upper side is pressed against a transverse welding device closing the bag at the other end.
  • the actual filling level of the bag can be detected.
  • This measured value is included in the height adjustment of at least the first processing station relative to the processing line or the transport device for moving the upright bag.
  • the determination of the filling level during filling of the bag and closing of the bag allows an immediate influence on the processing parameters in the subsequent striking of the protruding from the bag length section. This ensures that even with variable length of the projecting length section of this is struck with the necessary quality to the filled bag.
  • the pressure force with which the filled bag is pressed against the transverse welding device is used to determine the filling level. For example, a filled bag lifting from below Support plate to be assigned to a load cell whose signal signals the striking of the filled bag against the transverse welding device.
  • the method according to the invention preferably has a processing step upstream of the above-mentioned processing of the bag, which serves to shape the filled bag. Occasionally, this bag due to settling movements, for example, when settling the bag on the processing line not one of the desired, preferably with flat side surfaces corresponding shape. Any deviations from the desired shape can be corrected on the processing line by shaping processing.
  • the protruding longitudinal section is preferably machined to ensure that it is threaded in the desired alignment into the subsequent processing stations.
  • the shaping processing of the bag is carried out in particular by a shaping punch that strikes against the top of the bag.
  • the upper side is the region of the bag which lies at the top when the bag is upright. From this top is regularly centered from the length section.
  • an apparatus with the features of claim 11 is given, with a protruding from a filled bag length portion of the packaging material can be posted to the bag and secured there.
  • the device has a transport device, which comprises means for moving and guiding the bag in an upright orientation.
  • the device has a folding station, in which the protruding longitudinal portion is folded in the direction of the filled bag. This subordinate, a fastening station is provided, in which the folded length portion is secured to the bag.
  • the aforementioned device is particularly suitable for the further processing of bags filled on both sides in a device according to DE 199 18 252 . DE 195 47 860 .
  • the device according to the invention is not limited to a combination with these prior art devices for low-air filling of bulk materials.
  • a bag which is still open on the other side can be processed in the device according to the invention and closed at this other end by folding over the projecting length section and securing it against the bag.
  • the folding station has folding members acting on the protruding longitudinal section and the fastening station hold down holding members which hold the folded-over longitudinal section in the fold set in the folding station.
  • the attachment station has fixation members with which the folded-over length portion is secured to the pouch.
  • a fixing member is, for example, a welding device, with which the folded-over length section is welded to the bag.
  • the fixation members preferably include a pickup which grips an adhesive tape held at a predetermined location and transports in the direction of the filled bag to finally attach the tape to this bag.
  • a block guiding the carriage in the longitudinal direction is preferably height-displaceable by means of a punch and penetrated by a threaded spindle, which is driven, for example, by means of a stepper motor.
  • gas springs or balancing weights are provided.
  • a guide for height-guided guidance of the carriage for example in the form of hardened round rods, which are guided via ball bushings and by a height-movable block, are preferably located on only one longitudinal side of the transport path.
  • any compensation means and / or drive means for height adjustment of the block or the carriage can be provided, so that the transport path on the other longitudinal side below the folding, hold-down and fixing organs is freely accessible.
  • the user in the event of a fault, the user can freely access the transport path from the other longitudinal side in order, for example, to remove inadequately processed bags from the transport route.
  • a frame holding the device, a transport path provided thereon on the one hand, the longitudinal guides and a lifting device for the carriage on the other hand and finally the carriage with the leading block form each of the legs of a C-shaped cross-sectional shape open to the other longitudinal side.
  • the following folding members are provided at the folding station: At the folding station is a rotationally driven folding wheel, on the circumferential surface of which several folding rails are arranged distributed. Further, in the transport direction to the rear open Umlegefinger is provided, which cooperates with the respective active Umlegeschiene the folding bike. Finally, a wrapping rail is provided.
  • the rotationally driven folding wheel initially deflects the longitudinal section projecting substantially upwards from the filled bag laterally, ie transversely to the direction of movement of the bag. The Umlegefinger is then at least radially delivered with respect to the folding bike and clamps the length section against the active Umlegeschiene.
  • the Umlegefinger remains hereby enveloped by the inside taken longitudinal section substantially.
  • the engagement of the Umlegefingers is canceled by the fact that the embarked area is withdrawn in the direction of movement of the bag from the Umlegefinger when removing the bag from the station.
  • the Umlegefinger can be moved away from the folding wheel in the radial direction and the buckling of the protruding length section can be canceled a little before.
  • the deflection bar For clamping the packaging material between the folding members and in particular for setting a predetermined kink, it is proposed according to a preferred embodiment of the present invention to form the deflection bar with a clamping edge, in which the Umlegefinger can be introduced with the interposition of the packaging material.
  • the folding station and the folding finger preferably have corresponding contours in the area of the clamping edge, so that the packaging material is folded in a sharp-edged manner exactly in a predetermined manner.
  • the positioning of the packaging material between the Umlegefinger and the Umlegeschiene in the region of the clamping edge can be improved by a Umlegampe, which is provided at the leading end of Umlegeschiene and over which the initially projecting upward length portion is deflected laterally.
  • the folding wheel and the Umlegefinger are arranged together according to a preferred development of a clamping member holder, which is vertically movable relative to the Einschlagschiene. Because changes in the length of the protruding length section result due to level fluctuations, that point is changed at which the length portion is bent, d. H. where the length portion between the head portion and the foot portion is divided. The impact bar remains unchanged with regard to its position.
  • the device For transferring the folded-over length section to the fastening station, the device preferably has a guide adjoining the folding finger approximately in the same height, which is formed as part of the hold-down members and presses the upper side against the bag with the folded-over length section being interposed.
  • This guide ensures until the final setting of the length section on the filled bag that this length section remains in a folding effected in the folding station.
  • the guide may include a ramp which presses against the length section and urges it against the bag.
  • a window recessed on the guide is expediently closed, at least temporarily, by a hold-down element to ensure that the folded-over longitudinal section can be brought centrally underneath the fastening station without being threaded
  • the hold-down element according to this preferred embodiment is transversely movable transversely to the direction of movement of the bag in said window of the guide.
  • this window is preferably opened positively controlled upon actuation of the hold-down element. This means that a mechanical coupling between the operation of the hold-down element and the operation of the window is provided.
  • the window is preferably located approximately centrally above the closed bag.
  • the open window of the adhesive strip can be applied to the bag.
  • the customer can first grasp an adhesive strip held ready at the attachment station and over a longer transport distance spend to the bag.
  • the customer may be provided on the side facing away from the bag guide and press in the manner of a plunger in translational actuation with the window open the adhesive strip with the interposition of the folded length section of the bag.
  • the adhesive strip applied through the window is preferably applied firmly against the bag when the bag is being removed from the attachment station.
  • the adhesive strip guide can in particular have ramps adjacent to the window, which ensure that the bag is pulled in with the adhesive strip which initially adheres loosely to the bag, without the adhesive strip and / or the length section threading on the adhesive strip guide.
  • opposite side panels are provided in the front region of the transport path. These side panels preferably carry the filled bag which has been placed on top of the transport path and, on the one hand, reduce its impact energy, but on the other hand give the bag the desired shape.
  • opposite side guides are provided, through which the bags are guided laterally on the transport path.
  • the lateral guides provided on one side and the side diaphragm provided on this side are coupled together and displaceable in the width direction by means of a width adjustment device.
  • the side guides each with coupled side panel coupled on both sides can be moved due to the actuation of the adjustment device, to change their width distance. However, the change takes place here in the middle of the transport path, so that the upright bags are necessarily conveyed centrally in the processing stations.
  • the side guides can also extend in the upper region of the upright bag, it has proven to be advantageous to assign the side panels on the transport path and the side guides vertically movable to the carriage, so that they always act on the upper edge of the bag to be formed.
  • a pouch forming station which acts on mold plates, in particular on opposite side surfaces of the upright bag in order to bring this in the desired shape and thereby erect the projecting length as vertically as possible above the bag.
  • This bag-forming station has according to a further preferred embodiment of the present invention, a sensor with which the filling level of the bag is checked. The value thus obtained can be used directly for adjusting the height of system parts of the device.
  • FIG. 1 shows a side perspective view of an embodiment of an apparatus for processing upright filled bags, which are identified by reference numeral 2 and in the embodiment shown in Figure sequentially shown at different stations.
  • Arrows recorded on the bags 2 indicate the direction of movement of the individual bags 2.
  • the bags 2 are in a not shown in the drawing and for example from the DE 103 44 116 known apparatus for air-poor packaging of bulk material filled with the same and closed by a cross-weld seam produced by ultrasound top and bottom. From this prior art device, the bags 2 are then released above a feed station 4 of the prior art device.
  • a processing path 8 which comprises a circulating conveyor belt 10 as a transport device, on the surface of which carriers 12 are arranged at discrete intervals, which engage between the side panels 6 take a little clamped bag 2 inevitably.
  • the introduction station 4 downstream in the transport direction of the conveyor belt 10 are provided above the processing section 8 side guides 14, which upright Position the standing bag in its upper area by resting on the side surfaces of the bags 2.
  • a bag-forming station 16 on which a forming tool, not shown in detail strikes the top of the respective bag, whereby this aligned substantially perpendicular to the side walls of the bag 2 and protruding from the respective filled bag 2 length section 18th the packaging material is aligned upright.
  • a transfer station 20 This is followed by a transfer station 20, will be discussed in more detail below and in which the projecting length portion 20 is folded in the direction of the filled bag 2. Downstream of this transfer station 20 in the transport direction, a fastening station 22 is formed, on which the folded-over longitudinal section is secured to the bag 2. Following the attachment station 22, the bag 2 is pushed by a pusher 24 laterally from the processing station and discharged.
  • the pusher 24 is for this purpose forcibly coupled to the conveyor belt 10 rotatably driven, thereby preventing the pusher 24 abuts with imprecise control against a driver 12, whereby the device would be damaged.
  • the side guides 14 are displaceable together via a transverse adjustment device 26 and concentric with the central longitudinal axis of the conveyor belt 10. In this way, the space formed between the side guides 14 for receiving and shaping the upper portion of the bag 2 can be changed.
  • the transverse adjustment device 26 is mounted on a height-adjustable block 28.
  • This block 28 is slidably guided over round rods 30 in the vertical and is driven by means of spindles 32 which penetrate the block 28 in threaded engagement, height-displaceable.
  • the round rods 30 and the spindle 32 are held on the upper side in a frame plate 34, which are mounted on the round bars 30 fixed in height relative to a machine frame, which is designated by reference numeral 36.
  • a guided carriage 38 is mounted longitudinally displaceable, which carries both the essential organs of the folding station 20 as well as the essential organs of the fastening station 22.
  • a labeling unit 40 which has a rotatably mounted roller 42nd for a supply of adhesive strips formed as labels 44 and a holder 46 for holding a winding roll, not shown, on which an adhesive strip carrier 48 is wound up (see, in particular FIG. 6 ).
  • the labeling device 40 is fixedly connected to the block 28.
  • the roller 42 and the holder 46 are located substantially above the frame plate 34th
  • the folding station 20 and the fastening station 22 are coupled together by attachment to the carriage 38 and in the direction of in FIG. 1 Dotted double arrow D back and forth.
  • the displacement movement is effected by a servo motor 50, as well as the rest of the other essential drives of the embodiment are realized by a servo motor.
  • FIG. 2 a view of the folding station 20 in a perspective plan view against the transport direction of the device, wherein for reasons of better illustration, the attachment station 22 has been omitted.
  • FIG. 2 essentially only the transfer station 20 and a rear end of the carriage 38, which is connected via an articulated arm 52 with a carriage drive pulley 54, which in turn is driven via the servo motor 50.
  • This servo motor 50 is associated with a special control, so that the servo motor 50 is compensated for compensating a usually sinusoidal linear movement of the carriage 38 accordingly.
  • the folding station 20 comprises as essential components a folding wheel 56, which is rotatably mounted and driven by a folding wheel motor 58.
  • This Faltradmotor 58 and Faltrad 56 are arranged in a Klemmorganhalterung 60 which rotatably mounted on the carriage 38 Klemmorganhaltearme, of which only the rear in the direction of transport arm 62 in FIG. 2 can be seen.
  • a further Klemmorganhaltearm is provided, on which an adjusting device 64 is mounted, the one in the FIGS. 4 and 5 closer to recognizing Umlegefinger 66 actuated.
  • the transfer station 20 also has a drive-in rail 68 (cf. FIG. 3 ) mounted at the free end of a pivotally mounted arch member 70.
  • the arch element 70 partly surrounds the folding wheel 56 and is dimensioned such that the wrapping rail 68 can be arranged between the folding wheel 56 and a bag 2 accommodated in the folding station 20 essentially below the axis of rotation of the folding wheel 56.
  • a sheet member drive 71 is provided, which causes a pivoting movement of the sheet member 70 about its axis of rotation.
  • a plurality of deflection rails 72 Distributed on the circumference of the folding wheel 56 are a plurality of deflection rails 72, whose interaction with the deflection finger 66 will be described below with reference to FIGS FIGS. 4a to 4d will be explained in more detail.
  • the axis of rotation of the arch element 70 which in FIG. 2 denoted by reference numeral 74 is arranged eccentrically to a rotation axis 76 about which the Klemmorganhaltearme are pivotally mounted.
  • a pivoting movement of the clamping member holder 60 about this pivot axis 76 leads to a change in the distance of the deflecting rails 72 to the conveyor belt 10.
  • the pivot axis 74 of the sheet member 40 is fixed to the clamp member holder 60 and thus is given away relative to the carriage 38.
  • FIGS. 4a to 4d show schematic cross-sectional views of the device in the region of the deflection station 20.
  • An upright standing bag 2 is conveyed with a processed by processing in the bag-forming station 16 upwardly directed longitudinal portion 18 to the folding station 20.
  • the folding wheel 56 rotates in a clockwise direction in a cross-sectional view counter to the conveying direction of the conveyor belt 10.
  • the hatched rhombus surface shown on the top right schematically represents a support 78 which supports the clamping organ retaining arms 72 in a pivotable manner and is mounted on the carriage 38.
  • the deflecting rail 72 deflects the protruding longitudinal section 18 laterally and away from the carriage 38 (cf. FIG. 4a . 4b ).
  • the Umlegeschiene 72 is laterally adjacent to the longitudinal center axis of the upright bag 2.
  • the deflection finger 66 is moved tangentially to the axis of rotation of the Faltrades 56 by operating the adjusting device 64, so that the radial distance of the Umlegefingers 66 with respect to this axis of rotation reduced.
  • the longitudinal guide to the adjusting device 46 is aligned so that the Umlegefinger 66 is introduced into a clamping edge 80 which is provided on the deflecting rail 72 (see, in particular FIG. 5 ).
  • Umlegefinger 66 and deflecting rail 72 of the projecting length portion 18 is divided into a bag-side foot portion 82 and provided at the free end head portion 84.
  • the head portion 84 protrudes from the foot portion 82 at a predetermined angle. In the embodiment shown, this angle is chosen so that the head portion 84 extends below the upper edge of the bag 2 and abuts against a shoulder provided between the side wall and the top of the bag 2.
  • the Einschlagschiene 68 moves into the space between the top of the bag 2 and the clamping of the length portion 18 between the Umlegeschiene 72 and the Umschlagfinger 66.
  • the head portion 84 is taken and passed under the foot section 82.
  • the head portion 84 is located between the foot portion 82 and the filled and top-closed bag 10 and is thus taken under the foot portion 82.
  • the Umlegefinger 66 After completion of this processing of the length section 18 of the Umlegefinger 66 is moved a little away from the Umlegeschiene 72, so that the folded length portion 18 between the Umlegefinger 66 and the Umlegeschiene 72 can slide out in the conveying direction.
  • the Umlegefinger 66 is for this purpose only stored stationary at its front end in the conveying direction, while the other, trailing in the conveying direction end of the Umlegefingers 66 is free.
  • FIG. 5 the folding members are shown in a cross-sectional view in an enlarged view, this view is presented in the transport direction, ie the in FIG. 1 front long side is in FIG. 5 on the right, whereas those in the FIGS. 4a to 4d on the left.
  • the different phases of the folding are marked with Roman numerals I to IV.
  • FIG. 5 the folding of a length 18, which is a little longer than that in the FIGS. 4a to 4d folded section is.
  • the Umlegeschiene 72 is laterally adjacent to a central longitudinal axis L of the bag 2.
  • the length portion 18 is first deflected to the position 18 II.
  • a deflecting ramp 90 leading to the deflecting rail 72 abuts against the longitudinal section 18.
  • the longitudinal section 18 assumes the orientation indicated by 18 II.
  • the actuator 64 is operated and the Umlegefinger of the designated as 66 I starting position in the direction of the deflection rail 72 to set (position 66 II).
  • the length portion 18 is bent in the clamping edge 80 and deflected downwards. The position reached afterwards is marked 18 II.
  • the length portion 18 is divided into the head portion 84 and the foot portion 82. Thereafter, the wrapping rail 68 is pivoted in the direction of the central longitudinal axis L. This movement is indicated by reference numeral 68 III.
  • the Einschlagschiene 68 abuts in its height distance between the top of the bag 2 and the Umlegefinger 66 against the head portion 84 inside.
  • Propulsion of the impact bar 68 is stopped when its leading edge is provided approximately centrally above the bag 2.
  • This position is marked 68 IV and shows in solid lines the wiper rail 68 after completion of this phase of movement.
  • the folding of the length section 18 is indicated at the end of this phase by reference numeral 18 IV.
  • the Umlegefinger 66 makes, ie it is moved out by pressing out of engagement with the Umlegeschiene 72. Meanwhile, the length portion 18 is slightly deflected (at 18 V), but without being significantly influenced in its course and in the position of the individual sections 82, 84. This is in particular given by the position of the Einschlagschiene 68, the one Remaining length of the head portion 84 and the bag 2 holds.
  • the bag 2 is transported out of the deflection station 20 by relative movement. During this conveying movement, the wrapping rail 68 protruding beyond the bag 2 in the transport direction acts as a top guide for the bag. With regard to this function, the entire deflection station is adjustable in height on the block 28.
  • a sensor device not shown in detail may be provided to determine the respective current height of the bag 2 applied to the path 8 and to adjust the height accordingly.
  • This has a top side of the bag 2 adjacent guide 92, which connects directly in the transport direction to the rear end in the transport direction of the Umlegefingers 66 and the Einschlagschiene 68 in the transport direction.
  • the Einschlagschiene 68 and the guide 62 are arranged approximately at the same height on the carriage 38, so that caused by the Einschlagschiene 68 in the Umlegestation 20 topside attachment to the bag substantially continuously through the guide 92 upon transfer of the bag from the Umlegestation 20 is continued on the fastening station 22.
  • FIG. 6 shows a side perspective view of the attachment station 22 in a similar manner as FIG. 2 for the transfer station.
  • the essential organs of the folding station 20 are omitted for the sake of an improved illustration.
  • FIG. 6 shows the common carriage 38, which carries these organs as well as the corresponding organs of the attachment station 22.
  • the attachment station 22 includes hold-down members, which include the guide 92 counts.
  • a window 94 is recessed, which can be closed by a plate-shaped hold-down element 96.
  • the hold-down element 96 forms in the closed position, together with the guide 92, a substantially continuous lower guide and contact surface for the bag.
  • a pickup 98 Above the window 94 is a pickup 98, the positively controlled via a lever drive (see. FIGS. 8a . 8b ) is movable up and down substantially in the height direction. The operation is forced via a pickup cam 102 which is driven by a motor, not shown. Associated with the pickup 98 are pneumatic connections 104 which communicate with a suction plate 106 provided on the underside of the pickup 98. The hold-down element 96 is mechanically inevitable Coupled with the operation of the pickup 98, via a lever drive 108. Via a guide cam 110, the guide 92 can be transferred from a starting position into a pushing on the bag 2 position. The starting position is in the FIGS. 7a . 8a shown the other position in the FIGS. 7b . 8b ,
  • the labels 44 are kept at a predetermined location for acceptance by the taker 98.
  • a fastening station-side end of an adhesive strip guide 112 is V-shaped and tapered in the direction of the attachment station 22 (cf. FIGS. 7a . 7b ).
  • the adhesive strip carrier 48 is folded over in a sharp-edged manner, as a result of which the label affixed thereto is detached and conveyed essentially in the feed direction and in a linear continuation of the upper side of the adhesive strip guide 112.
  • FIGS. 7a to 8b illustrate the function of the individual organs of the attachment station 22 for attaching the label 44 to a bag 2. Such is transferred to the attachment station 22 with the window 94 closed. This is located here in a in the FIGS. 7a . 8a shown starting position. After the speed of the bag 2 has been synchronized with the speed of the carriage 38, the guide 92 is inserted into the in FIG. 7b . 8b shown lowered position spent.
  • the window 94 is necessarily when lowering the pickup by retracting the hold-down element 96 in the direction of arrow R in FIG. 8b opened from the window opening. At the same time, the pickup 98 is lowered.
  • a label 44 initially held by the suction pressure on the pickup 98 is now inflated to the top of the bag 2, so that the label 44 at least partially bridges the folded length section 18.
  • the suction plate 106 projects beyond the bag 2.
  • the label 44 is also held on the suction plate 106 so as to protrude laterally from the bag (cf. FIG. 8b ).
  • the suction plate 106 and the corresponding air pressure pulse are matched to one another such that the part of the label 44 which projects beyond the bag 2 on two sides is applied to a side surface of the bag.
  • the guide 92 depressing the bag 2 thereby enables the fixing of the folded length section 18 as well as a firm application of the upper side of the bag 2 and fixing on the side surfaces.
  • Case configurations are conceivable in which the label 44 projects beyond the bag on both sides and is applied to the side surface of the bag 2 by means of air pressure. This allows the top of the bag 2 are placed close to the top of the bulk material contained in the bag 2.
  • the label 44 extends as an adhesive strip approximately from the center of the top of the bag 2 to the side surface thereof (see FIG. FIG. 6 ).
  • the guide 92 is brought into the raised position and lifted the topside attachment of the bag 2.
  • the picker 98 is located immediately above the adhesive label 44 substantially detached from the adhesive tape carrier 48. This is transferred by suction to the suction plate 106. As the fastening station 22 moves in the course of the cyclic reciprocation of the carriage 38, this label 44, together with the picker 98, is moved away from the transfer position for the label 44 and into the home position where the next succeeding bag 2 moves with the carriage 38 is synchronized.
  • the carriage 38 via the block 28 is height adjustable relative to the machine frame and sensors are provided which determine the current height of the processed bag, the topside guide and conditioning of the bag 2 causing parts, namely the Einschlagschiene 68 and the guide 92 exactly and uniformly adjusted to the required height. This is done by operating the spindle 32.
  • This setting also offers the possibility to adapt the device to different bag formats. In the width direction, different bag formats can be met by the adjusting device 26.
  • the side panels 6 are displaceable in their distance relative to each other. If, due to changed filling conditions, for example due to quality fluctuations of the bulk material to be packaged, a change in the filling level results for the same bag format, this can be adapted in the process.
  • the filling level of the bag can be determined, for example, as the starting size on the upstream form-fill-seal device. This measured value is passed on to the device shown in the figures.
  • a control device sets the spindle 32 accordingly. Since individual bags are always cut off with the same length due to the printing, this results in a change in the length of protruding from the bag length portion 18. This change in length is by pivoting the clamping device holder compensated for the pivot axis 76, whereby the position of the clamping edge, in particular with respect to the central longitudinal axis L of the bag 2 can be changed.
  • the device according to the invention makes it possible to accurately and reliably apply a longitudinal section 18 initially projecting from the bag 2 to the top side of the bag.

Claims (30)

  1. Procédé pour emballer un produit en vrac, selon lequel un matériau d'emballage amené à partir d'une réserve est pourvu d'une soudure longitudinale pour former un tube, le tube est fermé d'un côté pour former un sachet et une quantité prédéfinie de produit en vrac est versée dans le sachet, un tronçon longitudinal qui forme le sachet est séparé du matériau d'emballage amené et le sachet est fermé à son autre extrémité, le sachet rempli (2) étant transféré, debout, sur une chaîne de traitement (8) sur laquelle un tronçon (18) du matériau d'emballage qui dépasse dudit sachet (2) est rabattu contre le sachet rempli et est fixé sur celui-ci,
    caractérisé en ce que le sachet (2) placé debout est déplacé de manière continue sur la chaîne de traitement (8) et en ce que le tronçon qui dépasse (18) est plié dans une première station de traitement (20) déplacée cycliquement par rapport à la chaîne de traitement (8), et est fixé au sachet rempli dans une seconde station (22) déplacée cycliquement par rapport à la chaîne de traitement (8).
  2. Procédé selon la revendication 1, caractérisé en ce que le tronçon (18), dans la première station de traitement (20), est rabattu contre le sachet rempli (2), et entre la première station de traitement et la seconde station de traitement (22) le tronçon (18) ainsi appliqué contre le sachet (2) est fixé grâce à un guidage (68, 92, 112) déplacé cycliquement qui est appliqué, sur le côté supérieur, contre ledit tronçon (18).
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que dans la seconde station de traitement (22), une fenêtre (94) prévue sur le guidage (92) s'ouvre et une partie centrale du tronçon (18) est libérée, et en ce qu'à travers la fenêtre (94) ouverte, une bande adhésive (44) est appliquée sur le sachet rempli (2).
  4. Procédé selon la revendication 3, caractérisé en ce que la bande adhésive (44), dans une position de fin de course du mouvement cyclique, est transférée au-dessus de la fenêtre (94) sur la seconde station de traitement (22) à partir d'un dispositif d'amenée de bandes adhésives (40) solidaire du châssis et est amenée avec ladite station de traitement (22) dans la position de départ de celle-ci, et en ce qu'après l'ouverture de la fenêtre (94) la bande adhésive (44) est transférée sur le sachet (2) lors du déplacement de la seconde station (22) entre une position initiale et la position finale.
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce qu'un élément détacheur (98) qui détache par aspiration la bande adhésive (44) d'un support de bandes adhésives (48) transfère ladite bande (44) grâce à une pression de telle sorte que celle-ci dépasse en tout cas au moins d'un côté du sachet (2), en appliquant aussi la partie de la bande adhésive (44) qui dépasse latéralement du sachet (2) contre une paroi latérale du sachet (2).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une partie supérieure (84) du tronçon (18) qui présente l'extrémité libre dudit tronçon qui dépasse (18) est rabattue sous une partie de base (82) de celui-ci qui est située côté sachet, et est disposée entre la partie de base (82) et le sachet rempli (2).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que pour former des sachets individuels (2), des tronçons (18) constants sont séparés, en ce que le sachet (2) fermé d'un côté est déplacé en sens inverse par rapport au sens d'amenée du matériau d'emballage, pour appliquer ledit matériau sur le produit en vrac à l'autre extrémité à fermer, et en ce que le niveau de remplissage déterminé des sachets (2) est utilisé pour régler en hauteur la première station de traitement (20), en tout cas, par rapport à la chaîne de traitement (8).
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que le sachet (2) fermé d'un côté, pour appliquer le matériau d'emballage sur le produit en vrac, est pressé contre un dispositif de soudage transversal qui ferme le sachet (2) à son autre extrémité, et en ce que la force de pression qui est appliquée pour presser le sachet (2) contre le dispositif de soudage transversal est utilisée pour déterminer le niveau de remplissage.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que le sachet (2), après son transfert sur la chaîne de traitement (8), subit tout d'abord, en tout cas, une mise en forme dans la zone du tronçon qui dépasse.
  10. Procédé selon la revendication 9, caractérisé en ce qu'un poinçon de formage frappe contre le côté supérieur du sachet (2).
  11. Dispositif pour rabattre et fixer un tronçon du matériau d'emballage qui dépasse d'un sachet rempli (2) formé à partir dudit matériau d'emballage, comportant :
    un dispositif de transport (10, 14) comprenant des moyens pour déplacer et guider le sachet placé debout ;
    une station de pliage (20) dans laquelle le tronçon qui dépasse (18) est plié en direction du sachet rempli (2), et
    une station de fixation (22) qui est disposée en aval, dans le sens de déplacement, et dans laquelle le tronçon (18) plié est fixé au sachet (2),
    caractérisé en ce que la station de pliage comprend comme organe de pliage agissant sur le tronçon qui dépasse une roue de pliage (56) qui est entraînée en rotation et sur la circonférence de laquelle sont répartis plusieurs rails de pliage (72), un doigt de pliage (66) qui coopère avec le rail de pliage (72) actif correspondant de la roue de pliage (56) et qui est ouvert à l'arrière, dans le sens de transport, et un rail de pliage (68) grâce auquel une partie supérieure libre (84) du tronçon (18) qui est pliée en étant serrée entre le rail de pliage (72) et le doigt de pliage (66) est glissée entre la partie de base (82) du tronçon (18) voisine du sachet et le sachet (2).
  12. Dispositif selon la revendication 11, caractérisé en ce que la station de pliage (20) comprend des organes de pliage (66, 68, 72) qui agissent sur le tronçon qui dépasse (18), et la station de fixation (22) comprend des organes abaisseurs (92, 96) qui tiennent le tronçon plié, et des organes de fixation (98, 106) qui fixent au sachet (2) le tronçon plié, et en ce que les organes de pliage (66, 68, 72), les organes abaisseurs (92, 96) et les organes de fixation (98, 106) sont montés sur un chariot commun (38) mobile cycliquement.
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce que le chariot (38) est réglable en hauteur par rapport au dispositif de transport (10).
  14. Dispositif selon l'une des revendications 11 à 13, caractérisé en ce qu'un guidage (30, 32) qui guide en hauteur le chariot (38) n'est prévu que sur un côté longitudinal de la chaîne de transport (10), de sorte que ladite chaîne de transport (10) est librement accessible sur l'autre côté longitudinal, au-dessus des organes de pliage, des organes abaisseurs et des organes de fixation (66, 68, 72 ; 92, 96 ; 98, 106).
  15. Dispositif selon l'une des revendications 11 à 14, caractérisé en ce que le doigt de pliage (66) est apte à décrire un mouvement de va-et-vient cyclique, dans le sens radial, par rapport à la roue de pliage (56).
  16. Dispositif selon l'une des revendications 11 à 15, caractérisé en ce que le rail de pliage (72) comprend une rampe de pliage avant (90) et un bord de serrage (80) qui est disposé en aval de celui-ci, dans le sens de rotation, et dans lequel le doigt de pliage (66) est apte à être introduit, avec le matériau d'emballage entre les deux.
  17. Dispositif selon l'une des revendications 11 à 16, caractérisé en ce que le doigt de pliage (66) est monté mobile par rapport à l'axe de rotation de la roue de pliage (56).
  18. Dispositif selon l'une des revendications 11 à 17, caractérisé en ce que la roue de pliage (56) et le doigt de pliage (66), pour s'adapter à des variations de niveau de remplissage, sont disposés conjointement sur un support d'organe de serrage (60) qui est mobile en hauteur par rapport au rail de pliage (68).
  19. Dispositif selon la revendication 18, caractérisé en ce que le rail de pliage (68) est disposé à l'extrémité libre d'un élément courbe (70) qui est monté pivotant sur le chariot (38) et dont l'axe de pivotement (76) est prévu à une hauteur fixe par rapport audit chariot (38), et le support d'organe de serrage (60) est monté pivotant de manière excentrée par rapport à l'axe de pivotement (76) de l'élément courbe (70) sur le chariot (38).
  20. Dispositif selon la revendication 18, caractérisé en ce que le support d'organe de serrage (60) et l'élément courbe (70) sont montés pivotants sur un axe de rotation commun (76).
  21. Dispositif selon la revendication 12, caractérisé en ce que les organes abaisseurs, dans le sens de déplacement du sachet (2), font directement suite au rail de pliage (68), à peu près à la même hauteur, et comprennent un guidage (92) qui appuie, sur le côté supérieur, contre le sachet (2), avec le tronçon (18) plié qui se trouve entre les deux.
  22. Dispositif selon la revendication 21, caractérisé en ce que le guide (92) est apte à être appliqué de manière commandée contre le côté supérieur du sachet (2).
  23. Dispositif selon la revendication 12, caractérisé en ce que les organes abaisseurs comprennent un élément abaisseur (96) qui, mobile par rapport au guidage (92), est apte à être introduit globalement transversalement par rapport au sens de déplacement des sachets (2) dans une fenêtre (94) ménagée sur le guidage (92), et les organes de fixation comprennent un élément détacheur (98) grâce auquel une bande adhésive (44) fournie sur la station de fixation (22) est apte à être détachée et à être appliquée à travers la fenêtre (94) sur le sachet rempli (2).
  24. Dispositif selon la revendication 23, caractérisé en ce que l'élément détacheur (98) est fixé au chariot (38) de manière à pouvoir coulisser.
  25. Dispositif selon la revendication 23 ou 24, caractérisé en ce que l'élément abaisseur (96), l'élément détacheur (98) et le guidage (92) sont entraînés, avec un couplage forcé, par l'intermédiaire d'au moins une came qui est placée sur un arbre et qui coopère avec des leviers commandant respectivement l'élément abaisseur (96), l'élément détacheur (98) et le guidage (92).
  26. Dispositif selon la revendication 23, caractérisé en ce qu'une partie du guidage (92) montée en aval de la fenêtre (94), dans le sens de déplacement des sachets (2), est conçue comme un guidage de bande adhésive (112) grâce auquel, lors d'un mouvement relatif entre le guidage (92) et le sachet (2), la bande adhésive (44) est pressée contre le sachet (2), avec le tronçon (18) plié qui se trouve entre les deux.
  27. Dispositif selon l'une des revendications 11 à 26, caractérisé en ce qu'une station de formation de sachets (16) est montée en amont de la station de pliage (20), dans le sens de déplacement des sachets (2) sur la chaîne de transport.
  28. Dispositif selon la revendication 27, caractérisé en ce que la station de formation de sachets (16) comporte au moins un capteur grâce auquel la hauteur de remplissage du sachet (2) est contrôlée.
  29. Dispositif selon l'une des revendications 11 à 28, caractérisé par une amenée de bande adhésive (40) solidaire du châssis, pourvue d'une fixation pour un rouleau de bandes adhésives (42) avec un support de bandes adhésives (48), et d'une fixation (46) qui est destinée à enrouler le support de bandes adhésives (48) et dont la position de transfert pour la bande adhésive (44) se trouve au niveau de la position où un élément détacheur (98) de la station de fixation (22) est dans une position de fin de course de celle-ci.
  30. Dispositif selon la revendication 29, caractérisé en ce que l'amenée de bandes adhésives (40) est montée à l'extrémité libre d'un guidage vertical (28) sur lequel la station de traitement est mobile en hauteur.
EP06002766A 2006-02-10 2006-02-10 Procédé pour emballer des produits et son usage dans une machine correspondante Not-in-force EP1818263B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06002766A EP1818263B1 (fr) 2006-02-10 2006-02-10 Procédé pour emballer des produits et son usage dans une machine correspondante
DE502006001188T DE502006001188D1 (de) 2006-02-10 2006-02-10 Verfahren zum Abpacken von Schüttgut und eine hierbei zum Einsatz kommende Vorrichtung
AT06002766T ATE402080T1 (de) 2006-02-10 2006-02-10 Verfahren zum abpacken von schüttgut und eine hierbei zum einsatz kommende vorrichtung
ES06002766T ES2309840T3 (es) 2006-02-10 2006-02-10 Procedimiento para envasar productos y su utilizacion en una maquina correspondiente.
PT06002766T PT1818263E (pt) 2006-02-10 2006-02-10 Processo para embalagem de produtos granulados e um dispositivo utilizado neste caso

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06002766A EP1818263B1 (fr) 2006-02-10 2006-02-10 Procédé pour emballer des produits et son usage dans une machine correspondante

Publications (2)

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EP1818263A1 EP1818263A1 (fr) 2007-08-15
EP1818263B1 true EP1818263B1 (fr) 2008-07-23

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EP06002766A Not-in-force EP1818263B1 (fr) 2006-02-10 2006-02-10 Procédé pour emballer des produits et son usage dans une machine correspondante

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EP (1) EP1818263B1 (fr)
AT (1) ATE402080T1 (fr)
DE (1) DE502006001188D1 (fr)
ES (1) ES2309840T3 (fr)
PT (1) PT1818263E (fr)

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Publication number Priority date Publication date Assignee Title
CN110281584A (zh) * 2019-07-24 2019-09-27 浙江正信机械有限公司 无纺布立体袋制袋机的新型折袋机
EP4079647A1 (fr) * 2021-04-23 2022-10-26 Teepack Spezialmaschinen GmbH & Co. KG Dispositif et procédé de transport des pièces de tuyau flexible finies coupées et remplies et moyens de retenue
DE102022110428A1 (de) 2022-04-28 2023-11-02 GHD Georg Hartmann Maschinenbaugesellschaft mit beschränkter Haftung Vorrichtung zum maschinellen Verschließen eines mit Befüllgut, insbesondere Brot, gefüllten Beutels und Betriebsverfahren hierfür
CN114803002A (zh) * 2022-05-17 2022-07-29 张婷婷 翻转输料机构及柔性件整理设备

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2626495A (en) * 1949-04-25 1953-01-27 Simplex Packaging Machinery In Bag sealing machine
US3861124A (en) * 1973-02-22 1975-01-21 Universal Foods Corp Automatic bag closure and sealing apparatus
DE2520744C2 (de) * 1975-05-09 1986-11-27 Doboy Verpackungsmaschinen Gmbh, 2000 Schenefeld Vorrichtung zum Verschließen von Säcken
DE8706671U1 (fr) 1987-05-09 1988-03-10 Rovema Verpackungsmaschinen Gmbh, 6301 Fernwald, De
DE19547860C2 (de) 1995-12-21 1998-07-23 Manfred Hauers Vertikale Schlauchbeutelmaschine
DE19918253A1 (de) 1999-04-22 2000-10-26 Manfred Hauers Vertikale Schlauchbeutelmaschine
DE19918252A1 (de) 1999-04-22 2000-10-26 Manfred Hauers Vertikale Schlauchbeutelmaschine
DE10121525A1 (de) 2001-05-03 2002-09-26 Bosch Gmbh Robert Verfahren und Vorrichtung zum Herstellen von mit Wiederverschlußstreifen ausgestatteten Beutelpackungen
EP1392565A1 (fr) * 2001-05-04 2004-03-03 McGregor, James Mecanisme a souder les sacs
ITMI20031088A1 (it) * 2003-05-30 2004-11-30 Altopack S R L Macchina per il completamento della chiusura superiore di un sacchetto a fondo piano per prodotti di piccola pezzatura
DE10344116A1 (de) 2003-09-24 2005-04-21 Manfred Hauers Kontinuierlich arbeitende vertikale Schlauchbeutelmaschine

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ATE402080T1 (de) 2008-08-15
DE502006001188D1 (de) 2008-09-04
PT1818263E (pt) 2008-08-18
EP1818263A1 (fr) 2007-08-15
ES2309840T3 (es) 2008-12-16

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