EP0177413A1 - Verfahren und Maschine zum automatischen Banderolieren einer Ladung mit einem Band aus Plastikfolie - Google Patents

Verfahren und Maschine zum automatischen Banderolieren einer Ladung mit einem Band aus Plastikfolie Download PDF

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Publication number
EP0177413A1
EP0177413A1 EP85401877A EP85401877A EP0177413A1 EP 0177413 A1 EP0177413 A1 EP 0177413A1 EP 85401877 A EP85401877 A EP 85401877A EP 85401877 A EP85401877 A EP 85401877A EP 0177413 A1 EP0177413 A1 EP 0177413A1
Authority
EP
European Patent Office
Prior art keywords
load
free end
column
machine according
film
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.)
Granted
Application number
EP85401877A
Other languages
English (en)
French (fr)
Other versions
EP0177413B1 (de
Inventor
Hubert Thimon
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.)
Newtec International SA
TECNE Srl
Original Assignee
Newtec International SA
TECNE Srl
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 Newtec International SA, TECNE Srl filed Critical Newtec International SA
Publication of EP0177413A1 publication Critical patent/EP0177413A1/de
Application granted granted Critical
Publication of EP0177413B1 publication Critical patent/EP0177413B1/de
Expired 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
    • 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 invention relates to a method and an automatic banding machine for a load with a plastic film strip whose width is a fraction of the height of the load to be wrapped.
  • a method and a machine are already known for packaging a load comprising several elementary packages, consisting in applying one or more strips of plastic film astride two adjacent beds or stacks at the point of their junction.
  • Such a machine comprises a film reel support which can be moved along a path surrounding the load by drive means, means for hooking one end of the film strip, means for joining the parts. extremities of the strip to form a strip surrounding the load and means for effecting a relative displacement of the spool relative to the load in order to bring the spool to the area on which the strip is to be applied.
  • an automatic wrapping machine for a load with a plastic film strip. whose width is a fraction of the height of the load to be wrapped.
  • This machine comprises a frame, a fixed load support table, means for supporting a film reel with a vertical axis pivotally mounted about a vertical axis passing through the table; means for rotating the reel support means and means for sliding the reel in a vertical direction on the support means.
  • Such a machine is intended to produce a helical wrapping.
  • it does not make it possible to produce a wrapping by beds, in particular because the maintenance of the initial free end portion of the film strip is not automated.
  • the invention aims to remedy these drawbacks and, for this purpose, it provides an automatic banding machine for a load with a strip of plastic film whose width is a fraction of the height of the load to be wrapped, which includes a frame, a fixed load support table when the machine is in operation, means for supporting a film reel with generally vertical axis, pivotally mounted. around a vertical axis passing through the table and located at least partially above the table and the load to be wrapped, means for rotating the reel support means, first means for sliding the reel in a vertical direction, means for temporarily holding the initial free end portion of the film strip in the vicinity of or against the load, means for transversely cutting the film strip.
  • this machine comprises second means for sliding the holding means, in a vertical direction.
  • the machine further comprises synchronization means and control means.
  • the wrapping process using the machine comprises the following steps: the load is brought onto the table, a film reel is mounted on the support means provided for this purpose, the initial free end portion of the film strip is kept close or against the load thanks to the holding means, the reel support means are pivoted about their vertical axis, thanks to the drive means, until covering the free end of the reel and the number of layers of desired strip, the means for retaining the initial free end are disengaged, the film is cut transversely, the end free end part of the film is secured to the strip of film located on the load, which thus makes it possible to make an elementary wrapping on a slice of the load, a new extreme free part of film is recovered, the film reel and the means for maintaining a step in the vertical direction are moved synchronously to p can carry out another elementary wrapping on another part of the load.
  • the invention relates to a method and an automatic wrapping machine for a load 1 with a plastic film strip 2.
  • the load 1 is preferably a load carried by a pallet 3, having a generally parallelepiped shape having a horizontal bottom resting on the pallet 3, four vertical faces 4 and an upper horizontal face 5.
  • the method and the machine according to the invention aim to apply to the vertical faces 4 of the load 1 strips 6a, 6b ... ( Figure 8) placed at various locations of the load, spaced from each other d 'a distance t constituting the wrapping step.
  • a strip such as 6a, 6b is designated subsequently as an elementary wrapping.
  • the method and the machine apply to the production of at least one and generally several elementary wrapping, the pitch being constant or not.
  • the film strip 2 has a width which is a fraction of the height of the load 1, that is to say that a strip such as 6a, 6b covers only part of the height of the load 1. If necessary, the strip 2 may be of small width, the wrapping carried out then being a strapping.
  • FIGS. 3 to 7 illustrate a machine 7 for automatically wrapping a load such as 1 with a strip 2.
  • the machine 7 has a frame 8; a table 9 for supporting the load ' 1, in a fixed position when the machine is in operation; support means 10 for a film reel 2a from which the strip 2 originates, this reel 2a having a generally vertical axis and the support means 10 being pivotally mounted about a vertical axis 11 passing through the table 9, the support means 10 being located at least partially above the table 9 and the load 1 that it supports; rotation drive means 1 2 support means 10; first sliding means 13 for the coil 2a in a vertical direction; temporary holding means 14 of the initial free end part a of the film strip 2 near or against the load 1; means for cross-cutting 15 of the strip. film 2; and means 16 for securing the end free end portion b of the strip 2 with a strip 6a, 6b which is already on the load.
  • the frame 8 comprises a base 17 resting on the ground, vertical uprights 18 and a roof. upper horizontal 19 comprising side members, crosspieces, plates or the like.
  • the frame 8 further comprises two horizontal beams 20 carried by feet 21 supporting rollers 22 constituting, on the one hand, the table 9 and on both sides a feed conveyor 23a and an evacuation conveyor 23b of the load respectively before and after wrapping.
  • the support means 10 comprise a first vertical column 24 carried at the end of a horizontal arm 25 pivotally mounted on the roof 19 around the axis 11.
  • the axis 11 is located in the middle part of the arm 25 which, on one side, supports the first column 24 and, on the other side, forms a counterweight 26.
  • the spacing between the axis 11 and the first column 24 is such that by pivoting around the axis 11, the first column 24 envelops the load 1.
  • the drive means 12 are constituted for example by a motor or a geared motor with an axis 11 carried by the roof 19 above the latter.
  • the holding means 14 comprise two small clamp jaws 27a, 27b directed vertically and upwards in the closed holding state and horizontally in the open state without holding.
  • the two jaws 27a, 27b are articulated at their lower part around axes -28 each horizontal and transverse (that is to say extending parallel to the axes of the rollers 22).
  • These jaws 27a, 27b are carried at their lower part by a console 29, arranged horizontally and transversely and carried by the frame 8, so that the jaws 27a, 27b are located in the immediate vicinity of the table 9, in particular of the corresponding spar 20 .
  • the cutting means 15 and securing 16 are in the form of two large gripper jaws 30a, 30b carried by the console 29 in front of the jaws 27a, 27b, that is to say in even more immediate proximity to the table 9.
  • the jaws 30a, 30b are also movable around the axes 28.
  • One of the jaws comprises an elastically deformable flap 31 directed towards the table 9 capable of coming to apply the film strip 2 against itself, constituting the means of attachment 16 , The first film being self-adhesive.
  • the jaws 30a, 30b are in the active state vertical directed upwards and closed and, on the contrary, in the inactive state directed horizontally.
  • the machine includes electrical, pneumatic or other control means for the jaws 27a, 27b, 30a, 30b.
  • the support means 10 in particular the first column 24 and the coil 2a in pivoting, envelop the jaws 27a, 27b, .30a, 30b which are in the immediate or almost immediate proximity of the load 1, in particular a vertical reference face 4a thereof.
  • the machine 7 may finally comprise a presser 32 carried by the roof 19, below it and directly above the table 9, controlled by vertical sliding so as to be able to come to be applied on the upper horizontal face 5 of the load let strengthen its support during the wrapping.
  • the machine 7 also comprises second sliding means 33 of the holding means 14, cutting 15 and securing 16, in a vertical direction.
  • the first and second sliding means 13, 33 respectively comprise, on the one hand, guide means and, on the other hand, drive means.
  • the machine 7 also comprises synchronization means, not shown, first and second drive means, belonging to the sliding means 13, 33, so that the holding means 14, cutting 15 and securing 16 are placed substantially opposite the coil 2a at the beginning and at the end of each elementary wrapping, at least.
  • the machine 7 comprises control means, not shown, of these means for driving the coil 2a and means for holding 14 the cut 15 and the connection 16 so that the coil 2a and these means 14, 15, 16, are moved by one wrapping step between each elementary wrapping cycle and the next cycle.
  • synchronization and control means can be electrically, pneumatically or otherwise, within the reach of those skilled in the art and connected to a central console 34.
  • the first sliding means 13 are such that the pin 2c supporting the coil is in a fixed relative position relative to the lower free end portion which supports it from the first column 24, and this preferably.
  • the support means 10 are arranged so that the length of the first column 24 between the support arm 25 and the lower free end portion 35 is variable, the support arm 25 then remaining in principle in a plane horizontal fixed.
  • the first column 24 is telescopic and comprises, for example, three sections: an upper section 24a adjoining the arm 25, a middle section 24b and a lower section 24c supporting the pin 2c.
  • the first column 24 is rigid and non-deformable (therefore non-telescopic) but it is mounted on the arm 25 so that it can be moved vertically relative to this arm.
  • the first column 24 may include a rack meshing with a driving pinion carried by the arm 25.
  • the first sliding means 13 are therefore constituted by the first telescopic column 24 and by reciprocal linear drive means 36 shown diagrammatically, electric or pneumatic.
  • the support means 10 are arranged so that the column length between the arm 25 and the lower free end portion 35 remains fixed or generally fixed, the horizontal plane of movement of the arm 25 being vertically movable.
  • the first sliding means 13 are constituted by the sliding means of the arm 25.
  • first and the second embodiment can be combined with each other, the first column 24 being, for example, telescopic while the upper section 24a is itself mounted to slide relative to to the arm 25 which is also mounted sliding vertically. This arrangement can be useful in the case of loads of great height.
  • the first sliding means 13 are such that the coil 2a is permanently located at the lower end 35 of the first column 24, regardless of the height position of the coil 2a.
  • the pin 2c respectively the coil 2a, has its lower free end which, permanently, projects below or is coplanar with the lower free end 37 of the first column 24. It follows that when the coil 2a is set in motion around the axis 11 by the drive means 12, the space below the free end of the coil 2a is completely freed up, This arrangement is important, since the holding means 14 , cutting 15 and securing 16 must be placed substantially opposite the coil 2a but it should be avoided that they interfere with the support means 10.
  • the second sliding means 33 comprise a second column 38, fixed, on which is mounted the console 39 which forms a carriage, drive means ensuring the vertical movement of the carriage console 29, therefore means for holding 14 cutting 15 and of securing 16 that it supports.
  • the second column 38 is telescopic, the carriage console 29 occupying at the lower end thereof a fixed position.
  • the carriage console 29 is mounted to slide vertically on the second column 38 which forms a slide and is therefore not deformable.
  • the second column 38 is also rigid and non-deformable and supports the carriage console 29 in a fixed manner, the whole of the column 38 being mounted to slide vertically.
  • the carriage console 29 is mounted movable vertically so as to have a vertical displacement synchronized with that of the coil 2a.
  • the lower free end of the journal 2c, respectively of the coil 2a is located at a level slightly higher than that of the carriage console 29 and this permanently.
  • the invention also relates to a wrapping method using the machine which has just been described.
  • the load 1 is brought to the table 9.
  • the load 1 is kept stationary, the table 9 being so.
  • this support can be reinforced by the presser 32.
  • a film reel 2a is mounted on the support means 10.
  • the film reel 2a is then close to the holding means 14, cutting 15 and securing J.6, slightly above the carriage console 29 ( Figures la and 2a).
  • the initial free end portion a of the film strip 2 coming from the reel 2a is then maintained near or against the vertical reference face 4a of the load 1, the holding means 14 being active, therefore directed vertically and upwards.
  • the cutting means 15 and securing means 16 are inactive, therefore horizontal and located at a level lower than that of the strip 2.
  • the support means 10 for the coil 2a can then be pivoted using the drive means 12, while now the initial free end portion has band.
  • the strip covers the initial free end part a of the strip ( Figures Ib and 2b). The number of turns of the strip of tape is therefore carried out.
  • the retaining means 14 are then disengaged from the initial free end portion a of the band by pivoting the jaws 27a, 27b downwards around the axes 28, as far as horizontal (FIGS. 1c and 2c).
  • the film is cut transversely and the end free end portion of the latter is secured to the strip already on the load.
  • the cutting and securing means 15, 16 are used. More precisely, the jaws are pivoted. 30a, 30b around the axes 28 from their horizontal position where they are inactive to their vertical position directed upwards.
  • the cutting teeth with which the jaws 30a, 30b are provided make the cross-section while the flap 31 comes to apply the strip of film to itself which, taking into account its self-adhesive nature, achieves the joining.
  • the connection is made by separate welding.
  • the holding means 14 are made active, that is to say that the jaws 27a, 27b are pivoted from their inactive horizontal position to their closed and active vertical position so as to maintain a new initial free end portion of the strip. ( Figures 1d and 2d).
  • the film reel 2a is then moved synchronously and the holding means 14 for carrying out another elementary wrapping on another portion of the load. ( Figures le and 2e).
  • the method and the machine according to the invention preferably apply to a stretchable and self-adhesive film.
  • a straight wrapping is made, that is to say that the strip 6a, 6b extends in a horizontal plane.
  • the wrapping can be sinusoidal, that is to say that on a vertical face 4 of the load, the strip 2 can go up (or go down) then on the neighboring strip go up (or go down) and so on.
  • the invention also relates to a different embodiment in which the holding means 14, cutting 15 and joining J6 as well as their support are placed entirely inside the envelope formed by the coil 2b and its support means 10 pivoting about the axis 11.
  • the holding means 14, cutting 15 and joining J6 as well as their support are placed entirely inside the envelope formed by the coil 2b and its support means 10 pivoting about the axis 11.
  • the sliding means 33 can then be in the form of articulated links.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP19850401877 1984-09-25 1985-09-25 Verfahren und Maschine zum automatischen Banderolieren einer Ladung mit einem Band aus Plastikfolie Expired EP0177413B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8414752A FR2570675B1 (fr) 1984-09-25 1984-09-25 Procede et machine pour banderoler automatiquement une charge avec une bande de film en matiere plastique
FR8414752 1984-09-25

Publications (2)

Publication Number Publication Date
EP0177413A1 true EP0177413A1 (de) 1986-04-09
EP0177413B1 EP0177413B1 (de) 1989-01-04

Family

ID=9308080

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19850401877 Expired EP0177413B1 (de) 1984-09-25 1985-09-25 Verfahren und Maschine zum automatischen Banderolieren einer Ladung mit einem Band aus Plastikfolie

Country Status (3)

Country Link
EP (1) EP0177413B1 (de)
DE (1) DE3567190D1 (de)
FR (1) FR2570675B1 (de)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0411981A1 (de) * 1989-08-02 1991-02-06 Newtec International Verfahren und Maschine zum Banderolieren einer palettisierten Ladung
US5081824A (en) * 1989-09-06 1992-01-21 Newtec International (Societe Anonyme) Film unwinding carriage for a packaging machine
FR2670747A1 (fr) * 1990-12-21 1992-06-26 Newtec Int Installation de suremballage de charges palettisees avec de la bande de recouvrement en matiere plastique et procede de mise en óoeuvre d'une telle installation.
US5195297A (en) * 1980-02-27 1993-03-23 Lantech, Inc. Unitized display packages and method and apparatus for utilizing display packages
US5203136A (en) * 1989-09-06 1993-04-20 Newtec International (Societe Anonyme) Film unwinding carriage for a packaging machine
US5564254A (en) * 1990-11-09 1996-10-15 Newtec International, S.A. Method, a machine and an installation for packaging a load provided with at least one edge-protecting angle strip; apparatus for grasping, displacing, depositioning and holding such an angle strip
US5588287A (en) * 1994-11-10 1996-12-31 Lantech, Inc. Wrapping apparatus with barrier
US6170233B1 (en) * 1998-11-06 2001-01-09 Wulftec International Inc. Wrapping machine for wrapping an article from a roll of film, and a method thereof
FR2842503A1 (fr) * 2002-07-17 2004-01-23 Itw Mima Systems Banderoleuse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2256871A1 (en) * 1974-01-07 1975-08-01 Applic Thermiques Method of packaging small objects as one assembly - uses plastic strips stretched around junctions between layers
US4109445A (en) * 1977-07-26 1978-08-29 Shulman Michael H Overhead load-wrapping apparatus
US4282700A (en) * 1979-04-12 1981-08-11 Joseph Goldstein Stretch wrapper for palletized load

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2256871A1 (en) * 1974-01-07 1975-08-01 Applic Thermiques Method of packaging small objects as one assembly - uses plastic strips stretched around junctions between layers
US4109445A (en) * 1977-07-26 1978-08-29 Shulman Michael H Overhead load-wrapping apparatus
US4282700A (en) * 1979-04-12 1981-08-11 Joseph Goldstein Stretch wrapper for palletized load

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195297A (en) * 1980-02-27 1993-03-23 Lantech, Inc. Unitized display packages and method and apparatus for utilizing display packages
EP0411981A1 (de) * 1989-08-02 1991-02-06 Newtec International Verfahren und Maschine zum Banderolieren einer palettisierten Ladung
FR2650556A1 (fr) * 1989-08-02 1991-02-08 Newtec Int Procede et machine de banderolage d'une charge palettisee
US5040359A (en) * 1989-08-02 1991-08-20 Newtec International (Societe Anonyme) Method and machine for banding a palletized load
US5081824A (en) * 1989-09-06 1992-01-21 Newtec International (Societe Anonyme) Film unwinding carriage for a packaging machine
US5125209A (en) * 1989-09-06 1992-06-30 Newtec International Method for creasing packaging films
US5203136A (en) * 1989-09-06 1993-04-20 Newtec International (Societe Anonyme) Film unwinding carriage for a packaging machine
US5564254A (en) * 1990-11-09 1996-10-15 Newtec International, S.A. Method, a machine and an installation for packaging a load provided with at least one edge-protecting angle strip; apparatus for grasping, displacing, depositioning and holding such an angle strip
FR2670747A1 (fr) * 1990-12-21 1992-06-26 Newtec Int Installation de suremballage de charges palettisees avec de la bande de recouvrement en matiere plastique et procede de mise en óoeuvre d'une telle installation.
US5588287A (en) * 1994-11-10 1996-12-31 Lantech, Inc. Wrapping apparatus with barrier
US6170233B1 (en) * 1998-11-06 2001-01-09 Wulftec International Inc. Wrapping machine for wrapping an article from a roll of film, and a method thereof
FR2842503A1 (fr) * 2002-07-17 2004-01-23 Itw Mima Systems Banderoleuse

Also Published As

Publication number Publication date
DE3567190D1 (en) 1989-02-09
FR2570675B1 (fr) 1987-01-02
FR2570675A1 (fr) 1986-03-28
EP0177413B1 (de) 1989-01-04

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