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EP3144231A1 - Verpackungsvorrichtung, -einheit und -methode für einen gegenstand - Google Patents

Verpackungsvorrichtung, -einheit und -methode für einen gegenstand Download PDF

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Publication number
EP3144231A1
EP3144231A1 EP15290236.7A EP15290236A EP3144231A1 EP 3144231 A1 EP3144231 A1 EP 3144231A1 EP 15290236 A EP15290236 A EP 15290236A EP 3144231 A1 EP3144231 A1 EP 3144231A1
Authority
EP
European Patent Office
Prior art keywords
packaging
section
cross
arm
packaged
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.)
Withdrawn
Application number
EP15290236.7A
Other languages
English (en)
French (fr)
Inventor
Simon Wintz
Jean-Christophe Massotte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP15290236.7A priority Critical patent/EP3144231A1/de
Priority to PCT/EP2016/072126 priority patent/WO2017050678A1/fr
Publication of EP3144231A1 publication Critical patent/EP3144231A1/de
Withdrawn legal-status Critical Current

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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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
    • B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/12—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of wrapping materials, containers, or packages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/16—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to stop, or to control the speed of, the machine as a whole
    • 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
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B2011/002—Prestretching mechanism in wrapping machines
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/14—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles
    • B65B2210/20—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles the web dispenser being mounted on a rotary arm

Definitions

  • the present invention relates to the field of wrapping, or overwrapping, objects, or articles, to be wrapped with packaging products, for example plastic films.
  • the present invention relates to the field of wrappers or wrappers.
  • a packaging product for example, around an object or a set, or batch, of objects, arranged for example on a transport pallet, to form a unique packaging.
  • This makes it possible to protect and stabilize the object, or set of objects to each other, and to stabilize it, for example, on a transport pallet before storage and handling thereof.
  • the plastic film used is thin, generally between 10 and 30 ⁇ m thick, and preferably it is stretchable or pre-stretched.
  • the packaging step of the object, or set of objects can be performed either manually using a manual reel or in an automated or semi-automated manner by the use of a film wrapper, also called wrapper.
  • wrappers for industrial use. There are pallet wrapping machines, wrappers with turntable like those described in EP0266562 , US4429514 or US2013300047 , with a horizontal annular track as described in EP0695686 , US518444 or EP2289806 vertical annular track as described in US2014250833 or US8650836 , or else with a rotating arm as described in FR2887227 or US5450709 .
  • Such a filmer has the disadvantage of implementing a complex system for controlling the elliptical trajectory of the arm, an ellipse resulting from the sum of two concomitant movements.
  • Such a filmer thus has the disadvantage of requiring the management of trajectory points, a management that is otherwise delicate.
  • an elliptical movement does not make it possible to apply a continuous and optimum tension of the wrapping film around objects of rectangular section, in particular at their corners, and the circumvention of the vertices of the rectangle forces the oversizing of the sides of the rectangle. the ellipse.
  • EP0825112 proposes for example a solution for packaging a circular object, or a steel plate having a rectangular cross section. It is an annular track filmer arranged vertically with respect to the plane formed by the ground, and whose carriage, carrying the packaging film and running along the track, describes an oval movement whose plane is perpendicular and oblique by relative to the plane formed by the cross section of the object to be packaged.
  • this device is not adaptive. It has a fixed track, encompassing the object to be packaged, of invariable size and shape, so that such wrappers are suitable only for one type of object, or set of objects, to be packaged, thus obliging this type of film packers to be able to treat only one type of batch of objects or set of objects at the same time.
  • this type of film packers to be able to treat only one type of batch of objects or set of objects at the same time.
  • EP2634101 also offers an annular track filmer made of segments that we add to each other to increase the size of the track.
  • Such a film maker can be considered as being adaptive; however, it is only suitable for batch processing of given objects, shapes, and dimensions, and not for object-by-object processing.
  • it is necessary to add one or more segments to the annular track whereas if a smaller object is to be, one or more segments must be removed; which involves long, hardworking and delicate manipulations on the part of the operator of the film-maker, without being certain of respecting the geometry chosen for the annular track. If the adjustment of one or more segments was wrong, the cart on the track could at best hang, at worst derail.
  • the present invention aims to provide a device, a packaging assembly and a method of packaging objects, or sets of objects, in particular of rectangular cross-section, which do not have the drawbacks of the state of the art. .
  • the present invention aims to provide an alternative to the existing solutions of the state of the art.
  • the present invention also aims to provide a device, a set and a method that are less complex, easier to implement and are more flexible.
  • the present invention also aims to provide a device, a set and a method that are adaptive depending on the object, or set of objects to be packaged.
  • the present invention relates to a packaging device, one or more objects using a packaging product, comprising a frame which is coupled to an arm, movable in translation and rotation relative to the frame and comprising means for distributing a mobile packaging product along the arm, as well as control means controlling means for translating the arm, means for rotating the arm, and means for translating the means for distribution, in order to print to the distribution means an oblong trajectory in the same horizontal plane and / or a spiral trajectory of oblong cross section, the horizontal plane and / or plane of the cross section being substantially parallel to the plane formed by the cross-section. cross-section of the object.
  • the term "object to be packaged” should be understood as covering a single object, but also a set of objects or articles to be packaged together, possibly objects already comprising one or more packages, and possibly objects arranged on or in any type of carrier for transporting goods, such as a pallet.
  • the present invention also relates to a packaging assembly comprising, in addition to the packaging device according to the invention, one or more conveyors responsible for bringing the object to be packaged to the packaging device, a shape identification device and / or cross section and / or dimensions of the object and a device for palletizing articles forming the object to be packaged.
  • the present invention also relates to a method of packaging an object using a packaging product, wherein the distribution of the packaging product is done using dispensing means having, around the object, one or more oblong trajectories in the same horizontal plane and / or one or more spiral trajectories, having an oblong transverse section and whose horizontal plane and / or the plane of the cross section is substantially parallel (s) to the plane formed by the cross section of the object.
  • the packaging device 1 comprises a frame 2, or frame, which is preferably static ( Figures 1 and 2 ).
  • the frame 2 can be fixed by any suitable means to a support structure and / or another device and / or a masonry construction, for example a wall or ceiling of 'a building.
  • packing device 1 is supported on the ground, at four corners, with feet 3, preferably anchored to the ground.
  • the frame 2 can take any suitable form. Preferably, it has a parallelepipedal shape, advantageously square or rectangle. It is made of all suitable materials, preferably it is made of metal. Advantageously it comprises reinforcing elements in order to give it dimensional stability.
  • the packaging device 1 further comprises an arm 4, movable in translation relative to said frame 2, horizontally relative to the ground.
  • the arm 4 is also movable in rotation relative to said frame 2, around the object to be packaged.
  • the arm 4 comprises means 7 for dispensing a packaging product, preferably a film, advantageously a stretched, pre-stretched or heat-shrinkable plastic film, said packaging product dispensing means being mounted vertically movable relative to each other. to the plane formed by the ground.
  • the arm 4 has a square shape, for example in the form of an inverted "L", and comprises a first portion 5 extending substantially horizontally under the frame 2, said portion 5 being coupled to the frame 2 to one of these ends, preferably via means for rotating the arm 4.
  • the arm 4 further comprises a second portion 6 extending substantially vertically from the first portion 5 downwards and comprising at its distal end the means 7 distribution of the packaging product.
  • the means 7 for dispensing the packaging product preferably a plastic film, preferably comprise a carriage 8 movable in vertical translation, along the arm 4, in particular along the second portion 6 of the arm 4. It is also conceivable to have means 7 for dispensing the packaging product fixed on the arm 4, or fixed on a portion of the vertical portion 6 of the arm 4, this portion 6 being movable, for example telescopic.
  • the means 7 for dispensing the packaging product comprise a reel 9 of packaging product, for example plastic film, and possibly means for pre-tensioning and / or checking the tension of the packaging product.
  • the unwinding speed of the packaging product is regulated by the tension of the packaging product acting on a movable roller operating a potentiometer.
  • the tension of the packaging product is adjusted by the pressure of a cylinder which holds the moving roller.
  • the means 7 for dispensing the packaging product cooperate with means 10 for translating the carriage 8, or for translating the portion 6 of the arm 4, means 10 which comprise one or more motors, advantageously one or more electric motors, and means of transmission of the driving force of said motor or said motor to said means 7 for dispensing the packaging product, possibly one or more inverters.
  • means 10 which comprise one or more motors, advantageously one or more electric motors, and means of transmission of the driving force of said motor or said motor to said means 7 for dispensing the packaging product, possibly one or more inverters.
  • the packaging device 1 comprises means 11 for translating the arm 4 relative to the frame 2, from front to back, and vice versa.
  • these means 11 comprise two rails 12, 13 disposed on the frame 2 and in which engage means for routing the arm 4 arranged directly on the arm 4, or means for rotating the arm 4, or on an intermediate element, for example a carriage 14, said tracking means being adapted for and co-operating with the rails 12, 13, and comprising, for example, rollers or wheels.
  • the means 11 for translating the arm 4 further comprise one or more motors, advantageously one or more electric motors, means for transmitting the driving force of said motor or said motor towards the means for routing the arm, for example one or more rack and pinion assemblies or one or more belts or chains, possibly one or more variators, and means for braking the translation of the arm 4.
  • motors advantageously one or more electric motors
  • the packaging device 1 comprises means 14 for rotating the arm 4.
  • these means comprise a toothed ring gear 15, preferably disposed at one end of the first portion 5 of the arm 4, and cooperating with a vertical axis of rotation driven by a geared motor and a pinion shaft.
  • These means 14 for rotating comprise preferably one or more motors, advantageously one or more electric motors, means for braking the rotation of the arm 4, possibly one or more dimmers.
  • the packaging device 1 preferably comprises control means 16 controlling translation means 11 and means 14 for rotating the arm 4, as well as means 10 for translating the product distribution means 7 packaging.
  • These control means 16 make it possible to print on the arm 4 and on the means 7 for dispensing the packaging product an oblong movement in the same plane around the object to be packaged, and / or also a spiral ascending and / or descending longitudinal movement, with a fixed or variable pitch, allowing or not partial or total recovery of the packaging product on the object to be packaged, or recovery of a first layer of packaging material on a second, or a plurality of other layers of packaging material, the spiral having an oblong cross section whose plane is parallel to the plane formed by the cross section of said object to be packaged.
  • control means 16 govern the movement of the arm assembly 4 and control the activation of the arm translation means 11 while the rotation means 14 are not activated, but possibly during the activation of the means 10 for translating the means. 7 distribution of the packaging product. Then, they control the stopping means 11 of translation, the activation of the braking means of the translation of the arm 4, then the activation of the means 14 of rotation, possibly during the activation of the means 10 of translation means 7 distribution of the packaging product. Then, they control the stopping means 14 of rotation, the activation of the braking means of the rotation of the arm 4, then the activation of the translation means 10, possibly during the activation of the translation means 11 of the means 7 distribution of the packaging product, and so on.
  • the elongated movement of the arm 4 is sequential and alternates a translational movement with a rotary movement ( figure 4 ).
  • the arm 4, and therefore the means 7 for dispensing the packaging product alternate a linear movement, substantially parallel to the first edge, along this first edge, which is the most along the section (length "L" of the figure 4 ), and at a constant distance from said first edge, then a circular circular arc-shaped movement around the corners and along the first, shortest edge of the section, and then again a linear, substantially parallel motion at the second edge, along this second edge, which is also the longest of the section, and at a constant distance from said second edge, then again a Circular, arc-shaped movement around the corners and along the second shortest edge of the section.
  • the elongated movement of the arm 4 can be repeated in the same horizontal plane and be printed while the means 7 for dispensing the packaging product are translated along the arm 4, the spiral thus formed having an oblong transverse cross section whose plane is parallel to the plane formed by the cross section of said object or set object to be packaged.
  • control means 16 allow each translational movement to be linked with the preceding or following rotation movement, with an anticipation corresponding to the beginning of the deceleration ramp of the translation movement.
  • each rotational movement must be linked with the preceding or following translation movement, with an anticipation corresponding to the beginning of the deceleration ramp of the rotational movement.
  • the activation of the longitudinal movement is done by anticipating the end of the rotary movement, with a calculated amplitude ⁇ ( figure 4 ) which corresponds to the beginning of the deceleration ramp of this movement ( figure 5 ) so that the acceleration ramp of the first movement is perfectly synchronous with the acceleration ramp of the second, so as to maintain a constant speed of the distribution means 7 of the packaging product.
  • the activation of the rotary movement is done by anticipation of the end of the longitudinal movement, of a calculated distance ⁇ x ( figure 4 ) which corresponds to the beginning of the deceleration ramp of this movement ( figure 5 ).
  • Each phase of the packaging cycle is triggered by the passage of the means 7 for dispensing the packaging product to a remarkable position, for example: starting and stopping the packaging cycle at the original position "O" or else release end of the packaging product, preferably held by a clamp during the beginning of the cycle, during the passage of the packaging product dispensing means at the "P" point ( figure 4 ).
  • the translation and rotation speeds are calculated so that the arm 4, and therefore the means 7 for dispensing the packaging product, have a uniform speed over the entire oblong movement.
  • the acceleration and deceleration value is identical for the translation and rotation movements and is defined by the type of packaging product, as well as by the corresponding anticipation values in degrees and millimeters.
  • each movement, of translation (a) or rotation (b), respectively starts with a constant acceleration ramp, until a nominal speed is reached which is maintained for the time necessary for the movement, until a ramp is triggered.
  • a frequency converter such as for example a drive marketed by the company SEW under the trade name MOVIDRIVE ® .
  • the acceleration ramp of a movement must always coincide with the deceleration ramp of the preceding movement, and so on.
  • the means 16 for controlling the means 11, 14 and 10 for translational and rotating the arm 4 and translational means 7 for dispensing the packaging product comprise and / or implement one or more hardware and / or software.
  • these control means 16 control the application of the packaging product, for example at the bottom of the object 17, or set of objects, to be packaged (position "O" of the figure 4 ) and control a first oblong movement, preferably at low speed, means 7 for dispensing the packaging product.
  • the control means 16 preferably activate a blower to fold the packaging product against the object, then control the acceleration of the arm 4 at a nominal speed, which is particularly depending on the type of packaging product, and the arm 4 performs a plurality of complete horizontal and oblong turns at the base of the object 17 to be packaged.
  • the control means 16 then activate the vertical translation movement of the distribution means 7 of the packaging product.
  • control means 16 activate the translation of the means 7 for dispensing the packaging product towards the bottom of the device 1.
  • control means 16 comprise, or consist of, hardware and / or software means.
  • they comprise at least one programmable computer unit, either directly by a control panel through a user interface, or by software means.
  • control means 16 are programmed to activate the appropriate means in order to print on the arm 4, and on the means 7 for dispensing the packaging product, the appropriate oblong movement and / or the oblong cross-sectional spiral which is adequate in depending on the shape and / or dimensions of the object 17 to be packaged, in particular the height of the object 17.
  • the packaging device 1 comprises means for detecting the entrance of the object to be packaged under the frame 2.
  • these means comprise a sensor, or an optical cell, arranged on the frame 2 , at one or two feet 3 thereof, or on the conveyor 18 leading the object 17, and detect the entry or the end of the passage of the object.
  • the control means 16 can not activate the various means of the packaging device 1, which limits the risk of wanting to pack an object 17 which would be outside the packaging device 1.
  • the packaging device 1 can interact with, and possibly include, identification means of the object to be packaged. These means can identify the shape, in particular the shape of the cross section of the object 17 to be packaged and / or the dimensions of the object 17.
  • these identification means comprise one, or consist of, a control unit comprising a user interface through which the operator of the packaging device 1 introduces information relating to the shape and / or dimensions of the object 17 to be packaged.
  • these identification means comprise optical means for reading one or more information carried by the object 17 to be packaged and relating at least to its shape and / or its dimensions.
  • These optical means may, for example, be able to read a bar code, affixed to the object 17 and comprising the said information. They can either be part of the packaging device 1, and be placed on the frame 2 or the feet 3, or be integrated in a separate device, such as a conveyor load to bring the object to the packaging device 1.
  • these identification means are arranged on the packaging device 1 and are able to measure the object to be packaged arranged under the frame 2.
  • these means comprise one or more measuring cells, or laser sensors.
  • these means may be worn, or integrated, to a separate device dedicated to these purposes, a device forming part of the packaging chain, the packaging device 1 according to the invention is possibly also part, for example on a conveyor responsible for bringing the object to the packaging device 1, a strapping machine or a device for palletizing objects to be packaged.
  • the packaging device 1 may comprise only means for controlling the shape and / or dimensions of the object to be packaged, means that can be provided for not activating the control means if the information from the control means do not correspond to those from the means of identification.
  • the packaging device 1 comprises only means for controlling the shape and / or the cross-section and / or the dimensions of the object 17 to be packaged which have been previously determined by any means suitable means that can be provided to not activate the control means 16 if the information from the control means do not match those of the identification means.
  • the information collected by these means are transmitted to the control means 16 by any suitable means, whether wired or wireless. Therefore, the control means 16, or the packaging device 1, comprise adequate communication means.
  • the packaging device 1 may comprise a device 18 for cutting and welding the packaging product, in particular a stretch film.
  • the packaging device 1 may further comprise means for fitting a cap of a suitable product on the top of the object 17 to be packaged.
  • the packaging device 1 also includes all the appropriate power supply means.
  • the packaging device 1 has the advantage of being adaptive and allowing the treatment of any type of object, object by object, whatever the dimensions and the cross section of the object, while allowing the packaging of the object with a continuous tension and a constant speed of the packaging product around the object.
  • the packaging device 1 and the means constituting it have dimensions that are compatible with and function with objects 17 to be packaged.
  • the radius traversed by the arm 4 is a function of the maximum width of the object 17 to be packaged, while the length of said object 17 defines the translation travel.
  • the shortest arm radius 4 is defined on the basis of the maximum envisaged width of the object 17 or objects 17.
  • the device Packing 1 can accommodate object widths 17 up to about three meters and lengths up to about six meters.
  • the objects 17 packaged using the device 1 according to the invention are sets of objects, or articles, of substantially rectangular cross-section, stacked on one another by example on a shim of about 100 mm high, a length between 1000 mm and 3300 mm, a width of 600 mm to 1600 mm.
  • the packaging device 1 can be part of a packaging assembly further comprising one or more conveyors, a strapping machine, a device for identifying the shape and / or dimensions of the object to be packaged. , a device for palletizing or wedging articles to form the object to be packaged.
  • the packaging method according to the invention preferably comprises the implementation of the packaging device 1 according to the invention; however, it is also possible to use any other suitable devices.
  • the packaging method according to the invention comprises a first step of bringing an object 17 to be packaged at the level of the means 7 for dispensing a product to be packaged, advantageously as described for the packaging device 1 according to the invention .
  • the object 17 is brought, either manually or automatically, using any suitable means, for example a pallet truck or a belt conveyor 18 or roller.
  • the object 17 may be arranged on a table or part of the conveyor 18, which is fixed during the packaging process.
  • the table, or the portion of the conveyor 18, is rotatable relative to the device 1 according to the invention during the packaging of the object 17, which makes it possible to considerably increase the speed packaging.
  • the packaging product is attached either manually to the object 17 to be packaged by an operator, or by the packaging device 1 which does it automatically, preferably starting with a corner of the object 17.
  • the product of packaging is then applied around the object 17 to be wrapped according to a first oblong trajectory in the same plane around the object 17.
  • said packaging product is folded against the object 17, for example by a blower.
  • the packaging product adheres by contact to the object 17 to be packaged without the use of other means.
  • the packaging product is applied in several superposed layers by performing a plurality of complete turns in the same plane.
  • the packaging product is then applied over all or part of the height of the object 17 to be wrapped along an oblong spiral path ascending and / or descending.
  • the packaging of the object 17 begins with the lower part of said object 17, possibly including also the support 19 or the pallet on which the object 17 is arranged (e), then the product of packaging is applied in successive turns rising towards the top of the object 17.
  • the package begins with the upper part of the object 17, possibly including any element capping said object 17, then the packaging product is applied in successive rounds down down the object 17. It is also conceivable to apply the packaging product by one or more spirals up and down.
  • the spiral paths have an oblong cross section whose plane is parallel to the plane formed by the cross section of said object 17 to be wrapped.
  • the spirals have a fixed or variable pitch, allowing, or not, partial or total recovery of the packaging product on the object 17, and allowing, or not, a partial or total recovery of a first layer of product packing on a second, or a plurality of other layers of packaging material.
  • the packaging product ceases to be applied to the object 17 as soon as its top and / or base are detected.
  • the oblong trajectories are obtained by the activation of the control means 16 which activate the means 11 for translating the arm 4 of the device 1 according to the invention with respect to the frame 2, the means 14 for setting in rotation of the arm 4, with, for the spiral, the activation of the means 10 for translating the dispensing means of the packaging product.
  • the oblong trajectory of the packaging product around the object 17 to be packaged is sequential and alternates translational movements with rotary movements. .
  • the path of the product to be wrapped around the object 17 breaks down into a path substantially parallel to the first edge, and along that first edge , which is the longest of the section of the object, then a circular circular arc-shaped path around the corners and along the shortest first edge of the section of the object, then again a linear path substantially parallel to the second edge, and along this second edge, which is also the longest of the section of the object, and then again a circular path, arcuate around the corners and along the second shortest edge of the section of the object ( figure 4 ).
  • Each linear trajectory is linked with the previous or next circular trajectory.
  • each circular trajectory is linked with the previous or next linear trajectory.
  • the linear and circular trajectories are linked together by accelerating the means 7 of distribution of the packaging product in a portion equivalent to their deceleration in the linear and circular trajectories.
  • the method according to the invention comprises a step of detecting the arrival of the object 17 on the place where the packaging will be made, for example the detection of the arrival under the frame 2 of the packaging device 1, or the end of the passage of the object 17 between the feet 3 of said packaging device 1. If an object 17 or the end of an object 17 can not be detected, it is possible to provide that the product of packaging is not applied.
  • the method according to the invention provides a step of adapting the dimensions of the oblong trajectory in the same plane, and the trajectories oblong spiral, depending on the shape and / or cross section and / or dimensions of the object 17, namely the adaptation of the length of the linear parts and the size of the arcs forming oblong trajectories.
  • the method may further comprise a preliminary step of determining the shape and / or dimensions of the object 17 to be packaged.
  • This determination of the shape and / or cross-section and / or dimensions of the object 17 can take place when the object 17 arrives at the place where the packaging takes place, for example during its arrival under the packaging device 1 according to the invention, or manually by the operator of the packaging device 1, or during a prior step of measuring the object 17 or during its conveying to the place of packing or during a step of strapping or palletizing the objects or objects to be packaged.
  • the method according to the invention comprises a step of verification of the shape, in particular the shape of the cross section, and / or dimensions of the object 17 to be packaged before the actual packaging step, and possibly if the information resulting from this check does not correspond to that of the means of identification, the product to be packaged is not applied to the article.
  • the method according to the invention provides a final step of cutting and welding the product to be packaged.
  • the packaging product is a plastic stretch film.
  • the information concerning the length, the width and the height of the object 17 are transmitted. at the beginning of each packing sequence.
  • the length of the object 17 is controlled by a probe embedded on the conveyor bringing the object 17 and the height is detected by a probe on board the packaging product dispensing means at the end of the arm 4.
  • a probe on board the packaging product dispensing means at the end of the arm 4.
  • the covering of a layer of packaging material on one or more other layers of said packaging product is a function of the type of packaging product and is expressed as a percentage "p".
  • the dispensing means of the packaging product is initially at the point "O" with a zero translation and a rotation of the arm 4 by 30 °.
  • the packaging product a plastic stretch film, is then engaged in the rolls of the distribution means 7.
  • the application of the packaging product is as follows: The arm 4 performs a first lap at a slow speed, with no vertical speed of the means 7 for dispensing the packaging product, without pre-stretching the packaging product and with a reduced voltage.
  • the arm 4 has made a complete revolution along an oblong trajectory in the same plane, and the beginning of the packaging product is maintained by the first strapping ring, the pliers of the dispensing means 7 open to release the end of the packaging product.
  • the blower is activated to fold the packaging product on the object 17.
  • the arm 4 accelerates to the nominal speed, defined by the type of packaging product, the clutch of the stretch is engaged and the product tension of packaging is increased to nominal value.
  • the arm 4 then performs an integer number "n" of horizontal turns at the base of the object 17.
  • the vertical movement of the packaging material dispensing means 7 is activated at a climbing speed.
  • the optical probe detects the top of the object 17, the arm 4 continues to apply the packaging product to a determined height and parameterizable by performing "p" turns oblong horizontally. Then the means 7 for dispensing the packaging product back down to their initial position, in the lower position at the end of the arm 4.
  • the stretching is disengaged and the application tension of the packaging product is reduced.
  • the packaging product is then welded and cut.
  • the method according to the invention may furthermore provide a step of placing a cap of a suitable product on the top of the article 17 to be packaged, before or after the packaging process, and possibly the packaging product. can cover all or part of this cap.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP15290236.7A 2015-09-21 2015-09-21 Verpackungsvorrichtung, -einheit und -methode für einen gegenstand Withdrawn EP3144231A1 (de)

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Application Number Priority Date Filing Date Title
EP15290236.7A EP3144231A1 (de) 2015-09-21 2015-09-21 Verpackungsvorrichtung, -einheit und -methode für einen gegenstand
PCT/EP2016/072126 WO2017050678A1 (fr) 2015-09-21 2016-09-19 Dispositif, ensemble et methode d'emballage d'un objet;

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
WO2017200725A1 (en) * 2016-05-18 2017-11-23 Signode Industrial Group Llc Method for wrapping plastic film on a load and wrapping machine
WO2022258869A1 (es) * 2021-06-08 2022-12-15 Joycar Logistica Y Embalaje, S.L. Enfardadora eliptica

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CN109398790B (zh) * 2017-08-18 2023-09-05 北新集团建材股份有限公司 一种使用垫块的板材包装的控制方法
CN113371247A (zh) * 2021-06-30 2021-09-10 浙江昊杨新能源科技有限公司 一种蓄电池壳生产用打包工装

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US20130300047A1 (en) 2012-05-08 2013-11-14 Lantech.Com, Llc Turntable Assembly For Stretch Wrapping Machine
US8650836B2 (en) 2009-04-14 2014-02-18 Illinois Tool Works Inc. Film-tail sealing system and method for wrapping apparatus
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US518444A (en) 1894-04-17 Dynamo-electric machine
US4429514A (en) 1979-11-21 1984-02-07 Lantech, Inc. Rotatable stretching apparatus with prestretching mechanism
EP0266562A1 (de) 1986-10-03 1988-05-11 Dentz Verpackungsmaschinen GmbH Vorrichtung zum Schrumpfen von Verpackungsfolien
US5450709A (en) 1993-10-29 1995-09-19 Sds, Inc. Stationary pallet stretch wrapping device having improved method and apparatus for gripping and cutting or wrapping film
EP0695686A1 (de) 1994-08-01 1996-02-07 Oy M. Haloila Ab Verfahren und Vorrichtung zum Einwickeln einer Stückgütereinheit, sowie Verpackung
EP0825112A2 (de) 1996-08-23 1998-02-25 Oy M. Haloila Ab Vorrichtung zum Einwickeln eines zu verpackenden Artikels in eine Folie
US5996315A (en) 1996-09-03 1999-12-07 Mima, Inc. Gantry film wrapping system and method for wrapping elongated loads
US5873214A (en) * 1996-11-15 1999-02-23 Lantech, Inc. Method and apparatus for load building and stretch wrapping
US6360512B1 (en) * 1999-10-27 2002-03-26 Wulftec International Inc. Machine and method for fastening a load
US20020129748A1 (en) * 2001-03-14 2002-09-19 Lucas Philip J. System and method for producing a disposable/recyclable pallet
EP2289806A1 (de) 2005-04-08 2011-03-02 Lantech.com, LLC Verfahren und Vorrichtung zur Ausgabe einer vorbestimmten festen Menge von vorgespannten Folien in Bezug auf einen Lastenumfang
FR2887227A1 (fr) 2005-06-17 2006-12-22 E R I M Sarl Dispositif destine a emballer des marchandises stockees sur une palette
US8650836B2 (en) 2009-04-14 2014-02-18 Illinois Tool Works Inc. Film-tail sealing system and method for wrapping apparatus
US20140250833A1 (en) 2011-11-18 2014-09-11 Toppy S.R.L. Machine For Composite Package, Packaging Method And Winding Means
EP2634101A2 (de) 2012-03-02 2013-09-04 Andreas Lindpointner Folienwickelmaschine
US20130300047A1 (en) 2012-05-08 2013-11-14 Lantech.Com, Llc Turntable Assembly For Stretch Wrapping Machine
US20150101281A1 (en) * 2013-10-14 2015-04-16 Best Packaging, Inc. Pallet load sensing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017200725A1 (en) * 2016-05-18 2017-11-23 Signode Industrial Group Llc Method for wrapping plastic film on a load and wrapping machine
WO2022258869A1 (es) * 2021-06-08 2022-12-15 Joycar Logistica Y Embalaje, S.L. Enfardadora eliptica

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