EP2336034B1 - Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille - Google Patents

Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille Download PDF

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Publication number
EP2336034B1
EP2336034B1 EP09015789A EP09015789A EP2336034B1 EP 2336034 B1 EP2336034 B1 EP 2336034B1 EP 09015789 A EP09015789 A EP 09015789A EP 09015789 A EP09015789 A EP 09015789A EP 2336034 B1 EP2336034 B1 EP 2336034B1
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EP
European Patent Office
Prior art keywords
film
feeding head
covering
vertical
film feeding
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
EP09015789A
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German (de)
English (en)
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EP2336034A1 (fr
Inventor
Frank Rolf Michels
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.)
MSK Verpackungs Systeme GmbH
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MSK Verpackungs Systeme GmbH
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Application filed by MSK Verpackungs Systeme GmbH filed Critical MSK Verpackungs Systeme GmbH
Priority to EP09015789A priority Critical patent/EP2336034B1/fr
Priority to RU2010152197/13A priority patent/RU2477248C2/ru
Priority to US12/974,294 priority patent/US9440756B2/en
Priority to CN201010625276.0A priority patent/CN102180371B/zh
Priority to MX2010014439A priority patent/MX2010014439A/es
Priority to BRPI1015588-0A priority patent/BRPI1015588A2/pt
Publication of EP2336034A1 publication Critical patent/EP2336034A1/fr
Publication of EP2336034B1 publication Critical patent/EP2336034B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state
    • B65B9/135—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state for palletised loads
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • B65B41/16—Feeding webs from rolls by rollers
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance

Definitions

  • the invention relates to a device for wrapping a stack of goods with a film having at least one film supply for the film, a Folienzu Quebeckopf for feeding the film and a coating device for coating the film over the stack, wherein the film from the film supply to FolienzuTHERkopf is conveyed and wherein the Folienzu seafoodkopf in Matterziehraum the film and opposite to the coating direction of the film is movable, wherein between the film supply and FolienzuTHERkopf a film storage is provided for receiving or storing of film in the process of Folienzufriedkopfes.
  • the invention relates to a method for operating a device according to the invention.
  • - Foil means in the context of the invention, in particular a plastic film and preferably an elastic plastic film.
  • the stack to be wrapped consists of stacked products.
  • the stack may also be products from the white area, such. As refrigerators or the like.
  • the stack is conveniently added to a pallet.
  • EP 1 060 988 A1 A device of the type mentioned above is out EP 1 060 988 A1 known.
  • the operation and maintenance is relatively complicated and complicated.
  • the Folienzu woolkopf is moved for maintenance in a lower position.
  • the device has four vertical masts, between which the Folienzu woolkopf is arranged and at which the Folienzu woolkopf is supported during the process.
  • the Folienzu woolkopf is transported on the vertically upward and downward movable Kochzieh liked.
  • For moving the coating device on the four vertical Masts are at least two drive motors required, which must be synchronized in a relatively complex manner.
  • this device is a complex and voluminous unit, in which the transport and installation are relatively expensive.
  • the film to be fed is removed from the film feeding head unthreaded and threaded back after returning to an upper operating position. This is expensive and time consuming.
  • this known device is characterized by relatively high outlay in terms of its transportation, assembly and operation or maintenance.
  • the invention addresses the technical problem of specifying a device of the type mentioned, are less expensive, less complicated and less time-consuming in the transport, installation, and operation and maintenance.
  • the invention teaches a device of the type described above, which is characterized in that both the FolienzuTHERkopf and the overdrawing device on only two vertical masts are movable and that the film storage for receiving film in the process of Folienzu discoveredkopfes in overdrawing and is provided for dispensing film in the process of Folienzu constructedkopfes opposite the coating direction.
  • the Folienzutechnischmaschinetechnischmaschine GmbH is therefore moved to only two mutually parallel vertical masts.
  • the two vertical masts are connected together in their upper region or at their upper ends via at least one stabilizer bar.
  • a preferred embodiment a film store for the device according to the invention will be explained in more detail below.
  • the film can be fed as a film tube.
  • the film tube is designed as a gusseted tube.
  • the film tube in addition to two superimposed film layers expediently on each side of a fold.
  • a preferred embodiment is characterized in that a film tube or a gusseted tube is pulled over the stack of goods as a film hood.
  • welding of the film tube preferably takes place in a manner known per se.
  • the device according to the invention can be designed as a shrinking device for shrinking a film onto a stack of goods.
  • the device expediently has a shrink frame, which is preferably movable like the coating device and as the film feeding head in coating direction of the film and against the coating direction of the film.
  • the shrink frame is electrically heated for shrinking a film, for example.
  • the device according to the invention may also be a hood stretching device. It is then within the scope of the invention that the device has a transverse stretching device and preferably a gathering device for shirring the film. In such a device, the covering device can at the same time be used as a transverse stretching device.
  • the film supply is a film wound into a film coil or a film tube wound into a film coil.
  • the film or the film tube is from led the film supply through the film storage to Folienzu 1500kopf. It is also within the scope of the invention that the film is guided or held in the Folienzu 1500kopf accordingly.
  • the at least one film supply or the at least one film coil is expediently arranged in the lower region of the device according to the invention. Preferably, the at least one film supply or the at least one film coil is arranged in the lower half of this height with respect to the height of the vertical masts.
  • a particularly preferred embodiment of the invention is characterized in that the Folienzu211 has two parallel side elements or side walls, each side member or each side wall is associated with one of the two vertical masts and is guided during the process of FolienzuGermankopfes on the outside of the associated vertical mast , Outside of a vertical mast means the side facing away from the other vertical mast side of a vertical mast.
  • the vertical masts are rectangular in cross section and each have an outer side, an inner side, a front side and a rear side.
  • the inside of a vertical mast is the side of the mast facing the other vertical mast.
  • the front of a vertical mast is the stack of goods or FolienzuGermankopf facing side of the vertical mast.
  • the two side elements or side walls are arranged parallel to each other. It is also within the scope of the invention that the two side elements or side walls are arranged transversely or perpendicular or substantially perpendicular to the vertical masts.
  • each side member is supported or supports each side wall via at least one support element, preferably via at least one support roller on the outside of the assigned vertical mast.
  • each side wall of the FolienzuGermankopfe s a support roller, with which the side wall is supported on the outside of the associated vertical mast.
  • the support roller is expediently partially embedded in the side wall.
  • a highly recommended embodiment is characterized in that each side element or that each side wall of the FolienzuGermankopfes via at least two support elements, in particular via at least two support rollers on the front of the associated vertical mast is supported.
  • each side member is supported or supports each side wall via only two support rollers on the front of the associated vertical mast.
  • each side member or each side wall of the FolienzuGermankopfes supported by at least two support elements, in particular via at least two support rollers on the back of the associated vertical mast.
  • each side member or each side wall only two support rollers with which the side member or the side wall of the back of the associated vertical mast is supported.
  • the distance of an uppermost supported on the front of a vertical mast support roller to the lowermost supported on the back of this vertical mast supporting role at least 30%, preferably at least 35% of the distance between the center of the FolienzuGermankopfes and of the Front of the vertical masts formed / spanned level is.
  • Focus refers to the mass of Folienzu discoveredkopfes or to the mass of the components of the FolienzuGermankopfes.
  • the distance between the two support rollers is thereby from the lower edge of the uppermost support roller to the Upper edge of the lowest support roller measured.
  • the height of the side walls of the FolienzuGermankopfes is adapted to the distance between the uppermost and the lowermost support roller.
  • the distance between an uppermost support roll supported on the back of a vertical mast and the lowermost support roll supported on the front of this vertical mast is at least 35%, preferably at least 45% of the distance between the center of gravity of the film feed head and that formed by the front sides of the vertical masts. spanned level.
  • the distance between the two support rollers is measured from the lower edge of the uppermost support roller to the upper edge of the lowermost support roller.
  • the above-described arrangement of the two support rollers is realized on both vertical masts.
  • a particularly recommended embodiment of the invention is characterized in that the components of the FolienzuGermankopfes are arranged exclusively outside of the intermediate space between the two vertical masts.
  • Preferably, only the film or only the films are passed between the two vertical masts and fed to the FolienzuTHERkopf.
  • This embodiment enables the Folienzu rapidlykopf can simply be slipped from above the vertical masts or on the connected with a stabilizing bar vertical masts during assembly of the device.
  • a very preferred embodiment of the invention is characterized in that the coating device, in particular when coating the film over the stack of goods perpendicular or substantially perpendicular to the two vertical masts is arranged and that the overdrawing device is pivotable about a horizontal pivot axis to the two vertical masts out.
  • the puller comprises two mutually parallel or substantially parallel gripping arms, which are arranged in particular when coating the film over the stack of goods perpendicular or substantially perpendicular to the two vertical masts and the pivotable about the horizontal pivot axis to the two vertical masts are.
  • the covering device or the two gripping arms of the covering device are arranged perpendicular or substantially perpendicular to the two vertical masts or horizontally.
  • the overdrawing device or the gripper arms of the overdrawing device can then be pivoted about the horizontal pivot axis to the vertical masts.
  • the gripping arms are arranged in this pivoted position parallel or substantially parallel to the two vertical masts. In the pivoted to the vertical mast condition results in a compact little voluminous aggregate, which is easily transportable.
  • the pivotability of the puller also proves to be advantageous if the puller encounters an obstacle in their vertical downward movement, then the puller or then the gripper arms of the puller are not destroyed, but pivoted upwards, It is within the scope of the invention that the puller or that the gripping arms is only then pivotable / when a force acting on the puller or on the gripping arms minimum force is exceeded.
  • the overdrawing device or the gripping arms are preferably frictionally applied to at least one contact element and pivotability is only possible if the force applied to the overstretching device or if the force acting on the gripper arms exceeds the restraining force generated by the frictional engagement.
  • At least one drive is provided for the overdrawing device and that the overdrawing device can be moved by means of this drive in the overstretching direction of the film and counter to the overstretching direction of the film.
  • a particularly preferred embodiment of the invention is characterized in that the Folienzu Siliconkopf by means of the drive of the coating device in the direction of coating the film and counter to the coating direction of the film is movable. It is recommended that the film feed head is not equipped with its own separate drive.
  • the drive for the overdrawing device is arranged in the region of the bottom on which the device according to the invention rests.
  • the drive or a drive motor of the overdrawing device is connected via at least one coupling element to a covering carriage of the overdrawing device that can be moved relative to the drive in the overstretching direction or counter to the overdrawing direction.
  • the coupling element is preferably a toothed belt.
  • the Folienzu SwissKunk relies in the process on the coating device and the aggregate of Folienzu seafoodkopf and coating device is moved together in the overstretching or against the coating direction.
  • the overdrawing device or the overdrawing carriage of the overdrawing device carries the follicle feeding head.
  • the vonzieh is guided and moved by means of the Studentsziehschlittens on both vertical masts.
  • the unit of Folienzu woolkopf and vonzieh is moved together on the two vertical masts.
  • the drive or drive motor for the overdrawing device or for the mentioned unit of overdrawing device and Folienzu slaughterkopf is recommended arranged in the foot area at least one of the two masts.
  • a drive motor for the overdrawing device is arranged in the foot region of one of the two vertical masts.
  • This drive motor is expediently connected via a coupling element guided along the vertical mast to the overdrawing device or to the overdrawing carriage of the overdrawing device.
  • this drive motor is preferably connected via a shaft to a coupling element guided along the other vertical mast, which coupling element is likewise connected to the overdrawing device or to the overdrawing carriage of the overdrawing device,
  • a recommended embodiment of the invention is characterized in that the Folienzu211 has at least one safety latch, which safety pawl engages in at least one upper operating position of the FolienzuGermankopfes in an upper safety recess, so that the FolienzuTHERkopf is maintained at the level of this upper operating position.
  • the FolienzuGermankopfes and thus several upper security recesses could be provided for the safety latch.
  • An upper operating position of the FolienzuGermankopfes is suitably arranged in the upper region or in the head region of the two said vertical masts. Then, the at least one upper safety recess in the upper region or in the head region of the two vertical masts is also arranged.
  • the at least one safety latch of the FolienzuGermankopfes in at least one lower maintenance position of FolienzuWORKkopfes engages in a lower safety recess, so that the Folienzu seafoodkopf is maintained at the level of this lower maintenance position. It is also within the scope of the invention that the at least one maintenance position of the FolienzuGermankopfes is arranged in the region of the lower end of the vertical masts. Both Safety recesses are preferably recesses introduced into the masts.
  • the Folienzu seafoodkopf on two safety pawls which are advantageously arranged on the opposite side walls of the FolienzuGermankopfes.
  • each of the two safety pawls is assigned to one of the two vertical masts and expediently safety recesses are provided for each safety pawl in each of the two vertical masts.
  • two safety recesses in the upper region or in the head region of the two vertical masts are arranged at the same height and associated with an upper operating position of the FolienzuGermankopfes.
  • Empfohlene anniversary two safety recesses in the lower region or in the footer of the two vertical masts are arranged at the same height and these two safety recesses are assigned to a lower maintenance position of the FolienzuGermankopfes.
  • a proven embodiment of the invention is characterized in that the at least one safety pawl of FolienzuGermankopfes part of a fall protection device of FolienzuGermankopfes and that the at least one safety pawl engages in a Fallich mecanicsausEnglishung an unrestrained sliding down the FolienzuGermankopfes.
  • Such an unrestrained sliding down or such a "free fall" of FolienzuGermankopfes may occur in particular when the coupling element between the drive of the overdrawing device and the Matterziehschlitten the coating device tears.
  • a plurality of Fallich mecanicsausbian aus is distributed over the height of the mast on at least one of the two vertical masts.
  • the Fallich ceremoniessausappelInstitut can have a smaller depth than the above-mentioned safety recesses for the specific positions of the Folienzu investigatedkopfes because the Fallich mecanicsausEnglishept only as an abutment for the Safety catch to catch the FolienzuGermankopfes in "free fall” serve.
  • the at least one safety latch is rotatable under the weight of the FolienzuGermankopfes to an associated vertical mast, so that the safety pawl can functionally secure in a safety recess or a Fallich ceremoniessausappelung this mast.
  • the fall-protection device has at least one damping device with which, in particular, the shock occurring when the safety pawl engages in a fall-securing recess can be damped.
  • the safety pawl is movable over a path in the vertical direction and the safety pawl acts for damping preferably with an elastic material, in particular with a rubber buffer together.
  • the covering device or the covering carriage of the covering device is equipped with a fall securing device.
  • a recommended embodiment of the invention is characterized in that the film memory has two deflection rollers for the film and a dancer roller for the film, wherein the distance of the dancer roller to the guide rollers is variable and wherein by varying this distance, the stored in the film storage film amount is adjustable ,
  • the two guide rollers are arranged stationary and preferably arranged at the same height or approximately at the same height. It is within the scope of the invention that the film supplied from the film supply is deflected by a first guide roller, then fed in a first direction of the dancer roller, is guided around the dancer roller and then discharged again in a second direction and deflected by the second guide roller , Conveniently, the second direction is opposite to the first direction.
  • the stored Film quantity By varying or increasing the distance or the vertical distance of the dancer roller to the guide rollers, the stored Film quantity also be increased. It is within the scope of the invention that the distance between the dancer roller and the two deflection rollers arranged at the same height or approximately at the same height corresponds to half or approximately half of the amount of film or film length received in the storage space.
  • a particular embodiment of the invention is characterized in that a first film supply is provided for a first film and a second film supply for a second film, wherein the film supply head is adapted for selectively feeding the first film or the second film, wherein between the first sheet supply and the FolienzuTHERkopf a first film storage for receiving or storing the first film in the process of FolienzuGermankopfes is provided and wherein between the second film supply and the FolienzuTHERkopf a second film storage for receiving or storing the second film in the process of Folienzufriedkopfes provided is.
  • both films are fed between the two vertical masts through the Folienzu scentkopf.
  • first film and the second film are different films which differ in particular with respect to their film format (film dimensions) and / or their film thickness and / or their film material.
  • both the first and the second film is supplied as a film tube and in particular as a gusseted tube.
  • the two foil stocks are expediently foils or foil tubes wound into foil coils.
  • the first and the second film stores may have the features explained above for the film store.
  • the Folienzu slaughterwood preferably has facilities with which optionally the first film or the second sheet can be fed.
  • the coating device is then provided for coating the first film or the second film.
  • the invention also relates to a method for operating a device according to the invention, wherein film is conveyed from at least one supply of film to a Folienzu 1500kopf, wherein the supplied from the Folienzu seafoodkopf film is drawn with a Kochzieh worn on a stack, wherein for servicing or repair of the device FolienzuTHERkopf is moved in the coating direction of the film in a maintenance position, between film supply and FolienzuTHERkopf a film storage is provided for receiving or storing film in the process of Folienzuginaginates, wherein in the process of Folienzufocusedkopfes in overdrawing film is taken from the film storage and wherein the method of Folienzufriedkopfes contrary to the coating film is discharged from the film storage.
  • the Folienzu woolkopf is moved by means of the drive of the coating device and it is within the scope of the invention that the Folienzu151kopf has no separate or own drive / drive motor.
  • the FolienzuTHERkopf has no separate or own drive / drive motor.
  • Empfohlene charity the Folienzu rapidlykopf is supported / supported in the process in coating or against the Matterziehcardi of Matterzieh raised or by the Matterziehschlitten the coating device.
  • the invention is based first of the recognition that the device according to the invention can be transported in a simple and space-saving manner and mounted in a simple and rapid manner.
  • the guide on only two vertical masts allows a simplification of the drive for the Folienzu Swisskopf or for the overdrawing device and in particular a simplification of the control and synchronization of this drive.
  • the invention is further based on the finding that the Folienzu seafoodkopf can be moved particularly trouble-free and compulsory on only two vertical masts with his compared to the overdrawing device relatively high weight.
  • the mobility of the Folienzufriedkopfes requires that the maintenance and repair of the device with relatively little effort or time required.
  • the critical system components are relatively easily accessible in the device according to the invention. In contrast to many other known devices, the effort in connection with Steigleitem, running platforms and the like can be kept low.
  • the device according to the invention is relatively simple and not very complex. Thus, it can be realized even with relatively low production costs.
  • the apparatus is equipped with a Folienzu seafoodkopf 4 for feeding the film 2, 3 and with a coating device 5 for subsequent coating of the film 2, 3 on the stack 1.
  • the film feeding head 4 can be moved in the direction of coating the film 2, 3 and against the coating direction of the film 2, 3, namely on only two vertical masts 6, 7.
  • the film feeding head 4 expediently has a film feeding carriage 8 which is mounted on both vertical masts 6, 7 in the process of FolienzuGermankopfes 4 is performed in more detail below.
  • the overdrawing device 5 is moved with a pull-on slide 9 on the two vertical masts 6, 7 and the pull-on slide 9 at both vertical Masts 6, 7 is performed.
  • the overdrawing device 5 further comprises two gripping arms 35 for coating the film 2, 3.
  • the apparatus has a first film supply in the form of a first film coil 13 for a first film 2 and a second film supply in the form of a second film coil 14 for a second film 3.
  • the first film 2 can be fed from the first film coil 13 to the film feed head 4 and the second film 3 can also be supplied to the Folienzu slaughterwoodKK 4 from the second Foliencoil 14.
  • the films 2, 3 between the two vertical masts 6, 7 can be fed to the Folienzu slaughterwoodkopf 4.
  • the Folienzu slaughterwoodKK 4 is preferably and in the embodiment for selectively feeding the first film 2 or the second film 3 set.
  • the first film 2 and the second film 3 may differ in their size or thickness.
  • a first film memory 15 for receiving or storing the first film 2 in the process of FolienzuGermankopfes 4 is provided.
  • a second film memory 16 for receiving or storing the second film 3 in the process of Folienzufriedkopfes 4 is provided.
  • the two film stores 15, 16 are preferred and constructed in the exemplary embodiment as explained below.
  • Each film storage 15, 16 has two stationary and preferably arranged at the same height deflection rollers 17, 18 for the film 2, 3.
  • each film store 15, 16 has a dancer roller 19 that is movable relative to the guide rollers 17, 18.
  • the dancer rollers 19 are in the embodiment in each case in a guide 20 vertically movable or movable. In this way, the respective distance between the dancer roller 19 to the guide rollers 17, 18 is variable and by this variation of the distance is recorded in the respective film memory 15, 16 or stored Film quantity / film length adjustable.
  • In the functional position of Fig. 1 and 2 is the Folienzu semiconductorKK 4 in an upper operating position on the two vertical masts 6, 7.
  • the two dancer rollers 19 have only a very small distance to the guide rollers 17, 18 and stored in the Folienspeichem 15, 16 amount of film is low or hardly worth mentioning.
  • the Folienzu semiconductorkopf 4 is arranged in a lower maintenance position in the lower region of the vertical masts 6, 7.
  • the dancer rollers 19 have a relatively large distance from the respective associated guide rollers 17, 18 and a correspondingly large amount of film of the first film 2 and the second film 3 is stored or recorded in the film stores 15, 16.
  • a drive motor 21 is provided for the pull-over device 5 or for the pull-on slide 9.
  • This drive motor 21 may be an electric motor.
  • the drive motor 21 is arranged in the bottom region of the device and expediently and in the exemplary embodiment at the foot of a vertical mast 6, 7.
  • Of the Drive motor 21 is connected via a englang of the vertical mast 6 guided coupling element in the form of a toothed belt 22 to the over-carriage 9 of the overdrawing device 5.
  • the drive motor 21 is coupled via a shaft, not shown, with a guided along the second vertical mast 7 coupling element in the form of a toothed belt 22.
  • the over-pulling device 5 With the help of only one drive motor 21 so can the over-pulling device 5 with the guided on the vertical masts 6, 7 over-carriage 9 in coating direction of the film 2, 3 or against the coating direction of the film 2, 3 are moved.
  • the Folienzu woolkopf 4 does not have its own drive and this Folienzutagenkopf 4 can only be moved by means of the drive or by means of the drive motor 21 of the overdrawing 5.
  • the film feed head 4 is supported during the process along the vertical masts 6, 7 on the coating device 5 or on the over-drawing carriage 9 of the coating device 5.
  • the unit of Folienzu seafoodkopf 4 and coating device 5 is thus moved together in the coating direction of the film 2, 3 or against the coating direction.
  • the sheet feeding head 4 is in an upper operating position ( Fig. 1 ) is moved to the process of FolienzuGermankopfes 4 down first of the overdrawing carriage 9 of the overdrawing 5 from below to the Folienzu réellekopf 4.
  • a safety pawl device 23 of the film feed head 4 which will be described below, is released and the film feed head 4 can then be carried by the puller 5 vertically downwards into a lower maintenance position (FIG. Fig. 3 ).
  • the Folienzu semiconductorkopf 4 has two mutually parallel side walls 10, which are expediently and in the embodiment perpendicular to the two vertical masts 6, 7 are arranged. Between the two side walls 10, substantially the remaining components of the FolienzuGermankopfes 4 are added. The arranged on the outside of the vertical masts 6, 7 two side wall portions of the two side walls 10 are connected to each other and this aggregate forms as it were the Folienzu semiconductorschlitten 8. Der Fig. 8 can be taken that each side wall 10 via a support roller 11 on the outer side 12 of the associated vertical mast 6, 7 is supported. Preferably, and in the embodiment, a support roller 11 is partially embedded in the associated side wall 10.
  • Each side wall 10 of the FolienzuGermankopfes 4 is further supported by two spaced-apart support rollers 36 on the front side 37 of the associated vertical mast 6, 7 from.
  • the distance between these two support rollers 36 is preferably at least 30% of the distance between the center of gravity of the Folienzu discoveredkopfes 4 and of the front sides 37 of the vertical masts 6, 7 plane spanned.
  • Each side wall 10 of the Folienzuditekopfes 4 is also supported via two support rollers 38 on the back 39 of the associated vertical mast 6, 7 from.
  • the distance between these support rollers 38 is preferably at least 35% of the distance between the center of gravity of the Folienzuditekopfes 4 and of the front sides of the vertical masts 6, 7 plane spanned.
  • the height of the side walls 10 in the region of the vertical masts 6, 7 or in the region of the support rollers 11, 36, 38 is greater or clear This allows a correspondingly large distance between the support rollers 36 and between the support rollers 38.
  • the components of FolienzuGermankopfes 4 exclusively outside the between the two vertical masts 6, 7 existing intermediate space are arranged. Only the films 2, 3 are fed between the vertical masts 6, 7 through the Folienzu semiconductorkopf 4.
  • Folienzu semiconductorkopf 4 is equipped with two safety pawls 23, each having a safety pawl 24.
  • the safety pawls 23 are arranged on the opposite side walls 10 of the FolienzuGermankopfes 4 and each associated with one of the vertical masts 6, 7.
  • Such a safety latch device is in the Fig. 7 shown in perspective.
  • In an upper operating position of the FolienzuGermankopfes 4 ( Fig. 1 ) holds each of the two safety pawls 24 in an upper safety recess 25, wherein in the upper region of each vertical mast 6, 7 each such upper safety recess 25 is inserted into the mast 6, 7.
  • the safety latch 24 Upon engagement of the safety latch 24 in an associated safety recess 25, the safety latch 24 is acted upon by a pneumatic cylinder 26. By means of a notch 27 provided in the safety catch 24, the safety catch 24 can be caught in the associated safety recess 25 and accidental removal of the safety catch 24 from the associated safety recess 25 is prevented.
  • the safety latch 24 is held by the weight of the FolienzuGermankopfes 4 in its secured position, since it is thereby rotated about the rotation axis 28 in the direction of the safety recess 25 of a vertical mast 6, 7. Over-tightening the safety latch 24 is expediently and in Embodiment prevented by a stop 29, which applies to the respective vertical mast 6, 7.
  • the film feed head 4 is in a lower maintenance position (FIG. Fig. 3 ) movable vertically.
  • the two safety pawls 24 of the FolienzuGermankopfes 4 correspondingly engage in two lower security recesses, not shown, which are each introduced into one of the two vertical masts 6, 7.
  • the bordering or introduction of the safety pawls 24 in these lower safety recesses is carried out as described above in connection with the upper safety recesses 25.
  • the safety pawls 23 of the Folienzu discoveredkopfes 4 are also formed as a fall-protection devices for the FolienzuTHERkopf 4.
  • the safety pawl device 23 or the fall-protection device has a damping device with which the impact occurring when the respective safety pawl 24 engages in a fall-securing recess 30 is damped.
  • the aggregate of safety pawl 24, pneumatic cylinder 26 and bearing block assembly 33 via a short path relative to the rest of the safety pawl device 23 in particular vertically movable. In this case, this movement is damped by elastic elements or in the embodiment by rubber buffer 34.
  • the vertical movement of the assembly of safety pawl 24, pneumatic cylinder 26 and bearing block assembly 33 is in Fig. 7 indicated by a corresponding double arrow.
  • the overdrawing 5 and the gripper arms 35 of the overdrawing 5 is pivotable about a horizontal pivot axis to the two vertical masts 6. 7 towards / are.
  • the overdrawing device 5 is arranged perpendicular to the two vertical masts 6, 7.
  • the gripping arms 35 are recommended to be pivoted into a position in which they are arranged parallel or substantially parallel to the two vertical masts 6, 7.
  • the pivoting of the gripping arms 35 has also proved to be advantageous when the gripping arms 35 encounter an obstacle in a downward movement. Then there is no destruction of the gripping arms 35, but only a pivoting of the gripping arms 35 upwards.
  • the gripping arms 36 are only pivotable when a force acting on the gripper arms 35 minimum force is exceeded.
  • the gripping arms 35 are frictionally engaged with abutment elements 40 and can be pivoted The gripping arms 35 is only possible if the force acting on the gripper arms 35 force is greater than the restraining force generated by the frictional engagement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Tents Or Canopies (AREA)
  • Replacement Of Web Rolls (AREA)
  • Pile Receivers (AREA)

Claims (14)

  1. Dispositif destiné à envelopper une pile de produits (1) avec un film (2, 3), - avec au moins une réserve de film pour le film (2, 3), une tête d'alimentation du film (4) pour l'alimentation du film (2, 3) et avec un dispositif d'enrobage (5) pour enrober la pile de produits (1) avec le film (2, 3), le film (2, 3) étant transportable de la réserve de film vers la tête d'alimentation du film (4), la tête d'alimentation du film (4) étant déplaçable en direction d'enrobage du film (2, 3) et à l'encontre de la direction d'enrobage du film (2, 3), entre la réserve de film et la tête d'alimentation du film (4) étant prévu un accumulateur de film (15, 16) destiné à recevoir ou à accumuler du film (2, 3) lors du déplacement de la tête d'alimentation du film (4), caractérisé en ce qu'aussi bien la tête d'alimentation du film (4) qu'également le dispositif d'enrobage (5) sont déplaçables sur seulement deux mâts (6, 7) verticaux et en ce que l'accumulateur de film (15, 16) est destiné à recevoir du film (2, 3) lors du déplacement de la tête d'alimentation du film (4) dans la direction d'enrobage et à distribuer du film (2, 3) lors du déplacement de la tête d'alimentation du film (4) à l'encontre de la direction d'enrobage.
  2. Dispositif selon la revendication 1, caractérisé en ce que la tête d'alimentation du film (4) comporte deux éléments latéraux ou parois latérales (10), chaque élément latéral ou paroi latérale (10) étant associé(e) à l'un des deux mats verticaux (6, 7) et lors du déplacement de la tête d'alimentation du film (4) étant guidé(e) le long de la paroi extérieure (12) du mât vertical (6, 7) associé.
  3. Dispositif selon la revendication 2, caractérisé en ce que chaque élément latéral ou chaque paroi latérale (10) s'appuie sur au moins un élément d'appui, de préférence sur au moins un galet d'appui (11) sur la face extérieure (12) du mât vertical (6, 7) associé.
  4. Dispositif selon l'une quelconque des revendications 2 ou 3, caractérisé en ce que chaque élément latéral ou chaque paroi latérale (10) s'appuie sur au moins un élément d'appui, notamment sur au moins un galet d'appui (36) et de préférence sur au moins deux éléments d'appui, notamment sur au moins deux galets d'appui (36) sur la face avant (37) du mât vertical (6, 7) associé.
  5. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce que chaque élément latéral ou chaque paroi latérale (10) s'appuie sur au moins un élément d'appui, notamment sur au moins un galet d'appui (38) et de préférence sur au moins deux éléments d'appui, notamment sur au moins deux galets d'appui (38) sur la face arrière (39) du mât vertical (6, 7) associé.
  6. Dispositif selon l'une quelconque des revendications 2 à 5, caractérisé en ce que l'écart entre l'élément d'appui supérieur supporté sur la face avant (37) d'un mât vertical (6, 7) ou l'écart entre le galet d'appui (36) supérieur soutenu sur la face avant (37) d'un mât vertical (6, 7) et l'élément d'appui inférieur soutenu sur la face arrière (39) dudit mât vertical (6, 7) ou le galet d'appui (36) inférieur soutenu sur la face arrière (39) dudit mât vertical (6, 7) correspond à au moins 30 %, de préférence à au moins 40 % de l'écart entre le centre de gravité de la tête d'alimentation du film et le plan compris entre les faces avant (37) des mâts verticaux (6, 7).
  7. Dispositif selon l'une quelconque des revendications 2 à 6, caractérisé en ce que l'écart entre l'élément d'appui supérieur supporté sur la face arrière (39) d'un mât vertical (6, 7) ou l'écart entre le galet d'appui (38) supérieur soutenu sur la face arrière (37) d'un mât vertical (6, 7) et l'élément d'appui inférieur soutenu sur la face avant (37) dudit mât vertical (6, 7) ou le galet d'appui (38) inférieur soutenu sur la face avant (37) dudit mât vertical (6, 7) correspond à au moins 35 %, de préférence à au moins 45 % de l'écart entre le centre de gravité de la tête d'alimentation du film (4) et le plan compris entre les faces avant (37) des mâts verticaux (6, 7).
  8. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les composants de la tête d'alimentation du film (4) sont disposés à l'extérieur de l'espace intermédiaire présent entre les deux mâts verticaux (6, 7).
  9. Dispositif selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'il est prévu au moins un entraînement pour le dispositif d'enrobage (5), au moyen de l'entraînement, le dispositif d'enrobage (5) étant déplaçable dans la direction d'enrobage ou à l'encontre de la direction d'enrobage, la tête d'alimentation du film (4) étant également déplaçable à l'aide de l'entraînement du dispositif d'enrobage (5).
  10. Dispositif selon l'une quelconque des revendications 1 à 9, caractérisé en ce que lors du déplacement, la tête d'alimentation du film (4) s'appuie sur le dispositif d'enrobage (5), l'ensemble formé par la tête d'alimentation du film (4) et le dispositif d'enrobage (5) étant déplaçable en commun dans la direction d'enrobage ou à l'encontre de la direction d'enrobage.
  11. Dispositif selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'accumulateur de film (15, 16) comporte deux cylindres de renvoi (17, 18) pour le film (2, 3) ainsi qu'un rouleau tendeur (19) pour le film (2, 3), l'écart entre le rouleau tendeur (19) et les cylindres de renvoi (17, 18) étant variable et la quantité de film accumulé étant réglable par variation dudit écart.
  12. Dispositif selon l'une quelconque des revendications 1 à 11, caractérisé en ce qu'il est prévu une première réserve de film pour un premier film (2) et une deuxième réserve de film pour un deuxième film (3), la tête d'alimentation du film (4) étant aménagée pour l'alimentation au choix du premier film (2) ou du deuxième film (3), entre le première réserve de film et la tête d'alimentation du film (4) étant prévu un premier accumulateur de film (15) destiné à recevoir ou à accumuler le premier film (2) lors du déplacement de la tête d'alimentation du film (4) et entre la deuxième réserve de film et la tête d'alimentation du film (4) étant prévu un deuxième accumulateur de film (16) destiné à recevoir ou à accumuler le deuxième film (3) lors du déplacement de la tête d'alimentation du film (4).
  13. Dispositif selon l'une quelconque des revendications 1 à 12, caractérisé en ce que lors de l'enrobage de la pile de produit (1) avec le film (2, 3), le dispositif d'enrobage (5) est disposé sensiblement à la perpendiculaire des deux mâts verticaux (6, 7) et en ce que le dispositif d'enrobage (5) peut se pivoter autour d'un axe de pivotement horizontal en direction des deux mâts verticaux (6, 7).
  14. Procédé d'actionnement d'un dispositif selon l'une quelconque des revendications 1 à 13, du film (2, 3) étant transporté à partir d'au moins une réserve de film vers la tête d'alimentation du film (4) le film alimenté par la tête d'alimentation du film (4) étant enrobé autour d'une pile de produits (1), pour la maintenance du dispositif, la tête d'alimentation du film (4) étant déplacée en direction d'enrobage du film (2, 3) dans une position de maintenance, entre la réserve de film et la tête d'alimentation du film (4) étant prévu un accumulateur de film (15, 16) destiné à recevoir ou à accumuler le film (2, 3) lors du déplacement de la tête d'alimentation du film (4), caractérisé en ce que lors du déplacement de la tête d'alimentation du film (4) en direction d'enrobage, du film (2, 3) est réceptionné par l'accumulateur de film (15, 16) et en ce que lors du déplacement de la tête d'alimentation du film (4) à l'encontre de la direction d'enrobage, du film (2, 3) est distribué par l'accumulateur de film (15, 16).
EP09015789A 2009-12-21 2009-12-21 Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille Active EP2336034B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP09015789A EP2336034B1 (fr) 2009-12-21 2009-12-21 Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille
RU2010152197/13A RU2477248C2 (ru) 2009-12-21 2010-12-20 Устройство и способ для обертывания пленкой штабеля продуктов
MX2010014439A MX2010014439A (es) 2009-12-21 2010-12-21 Dispositivo y procedimiento para envolver una pila de mercancias con una lamina.
CN201010625276.0A CN102180371B (zh) 2009-12-21 2010-12-21 用薄膜包裹货物堆的设备和方法
US12/974,294 US9440756B2 (en) 2009-12-21 2010-12-21 Method of and apparatus for wrapping a stack of objects with a film
BRPI1015588-0A BRPI1015588A2 (pt) 2009-12-21 2010-12-21 Dispositivo e método para embrulhar uma pilha de mercadorias com uma película

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09015789A EP2336034B1 (fr) 2009-12-21 2009-12-21 Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille

Publications (2)

Publication Number Publication Date
EP2336034A1 EP2336034A1 (fr) 2011-06-22
EP2336034B1 true EP2336034B1 (fr) 2013-01-09

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EP09015789A Active EP2336034B1 (fr) 2009-12-21 2009-12-21 Dispositif et procédé destinés à l'enveloppement d'une pile de marchandise à l'aide d'une feuille

Country Status (6)

Country Link
US (1) US9440756B2 (fr)
EP (1) EP2336034B1 (fr)
CN (1) CN102180371B (fr)
BR (1) BRPI1015588A2 (fr)
MX (1) MX2010014439A (fr)
RU (1) RU2477248C2 (fr)

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EP2792599B1 (fr) 2013-04-15 2017-08-02 Officina Bocedi S.R.L. Machine d'emballage de palettes

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IT201700020234A1 (it) * 2017-02-22 2018-08-22 Giuseppe Landi Macchina per il confezionamento di pallet
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EP2792599B1 (fr) 2013-04-15 2017-08-02 Officina Bocedi S.R.L. Machine d'emballage de palettes

Also Published As

Publication number Publication date
US20110146210A1 (en) 2011-06-23
RU2477248C2 (ru) 2013-03-10
CN102180371A (zh) 2011-09-14
BRPI1015588A2 (pt) 2015-03-24
CN102180371B (zh) 2014-08-27
MX2010014439A (es) 2011-06-24
EP2336034A1 (fr) 2011-06-22
RU2010152197A (ru) 2012-06-27
US9440756B2 (en) 2016-09-13

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