EP2614022B1 - Table d'injection d'un film plastique pour fardeleuse - Google Patents

Table d'injection d'un film plastique pour fardeleuse Download PDF

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Publication number
EP2614022B1
EP2614022B1 EP11773033.3A EP11773033A EP2614022B1 EP 2614022 B1 EP2614022 B1 EP 2614022B1 EP 11773033 A EP11773033 A EP 11773033A EP 2614022 B1 EP2614022 B1 EP 2614022B1
Authority
EP
European Patent Office
Prior art keywords
rollers
pressure
roller
frame
plastic 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.)
Active
Application number
EP11773033.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2614022A1 (fr
Inventor
Michael Vasse
Lionel Daniere
Grégory CHOPLIN
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.)
Sidel Canada Inc
Original Assignee
CERMEX Constructions Etudes et Recherches de Materiels pour lEmballage dExpedition SAS
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 CERMEX Constructions Etudes et Recherches de Materiels pour lEmballage dExpedition SAS filed Critical CERMEX Constructions Etudes et Recherches de Materiels pour lEmballage dExpedition SAS
Publication of EP2614022A1 publication Critical patent/EP2614022A1/fr
Application granted granted Critical
Publication of EP2614022B1 publication Critical patent/EP2614022B1/fr
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/06Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths
    • B65B11/08Wrapping articles, or quantities of material, by conveying wrapper and contents in common defined paths in a single straight path
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12Feeding webs from rolls
    • B65B41/16Feeding webs from rolls by rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00Advancing webs
    • B65H20/02Advancing webs by friction roller
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/14Roller pairs
    • B65H2404/142Roller pairs arranged on movable frame
    • B65H2404/1422Roller pairs arranged on movable frame reciprocating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/10Rollers
    • B65H2404/14Roller pairs
    • B65H2404/144Roller pairs with relative movement of the rollers to / from each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/81Packaging machines

Definitions

  • the present invention relates to an improvement made to packaging machines for plastic film products and, in particular, machines called "shrink wrappers".
  • This type of machines allows to wrap groups of products in a width cut from a film of suitable heat-shrinkable plastic material.
  • the shrinkwrapper comprises an injection table which comprises two pairs of spaced rollers: an upstream pair of rollers and a pair of downstream rollers with, in between, a cutting system of the plastic film to form the width.
  • the upstream pair of rollers constitutes the injection torque with at least one motorized roller and the downstream pair of rollers constitutes the tensioning torque also with a motorized roller.
  • the voltage torque is disposed downstream of the plastic film cutting system; it is located near the passage that prevails between the supply conveyor of the products to be packaged and the conveyor belt of the wrapping module where said products are wrapped by the width.
  • the cutting operation of the plastic film takes place between the two pairs of rollers of the injection table.
  • this plastic film is stretched between the injection torque and the tension torque and this tension results from an adjustment of the respective speeds of said pairs of rollers.
  • the rollers of the tension torque are driven by a speed which is substantially greater than that of the injection torque rollers.
  • This adhesion is good at the injection torque rollers which have a relatively large diameter and which each comprise a coating of rubber-like material; it is otherwise with the rollers of the tension torque because if one of the rolls, the motorized roller, has a large diameter with a coating of rubber-like material, the other roll has a relatively small diameter for space and space and, especially, it does not include a particularly adherent coating because it is made of steel for stiffness and to resist abrasion and wear.
  • plastic films that have thicknesses adapted to the products to be packaged.
  • the present invention proposes an arrangement at this injection table and in particular at the level of the voltage torque to obtain in a simple and permanent manner, a homogeneity of the contact pressure between the rollers and in particular over the entire width of said rollers. , that is to say over the entire width of the plastic film, that there is one or more plastic films passing through said injection table.
  • the injection table according to the invention is in accordance with claim 1.
  • a foolproof pressure application system is interposed between the beam and each frame to constrain each of the driven press rollers and maintain tangential contact with the motorized pressure roller.
  • the pressure application system consists of at least one helical spring disposed on the reference beam, said spring being associated with a pusher which is guided relative to said beam, which pusher is in contact and in permanent support on the chassis of the driven pressure roller, urged by said spring, the number of pushers and / or springs being chosen to establish an appropriate pressure at said tension torque, comprising at least three pressure rollers.
  • each pressure element consisting of a spring and a pusher, is disposed in a borehole made in the thickness of the beam, which bore has at its end on the roller frame side, a shoulder which serves as a support for a base of said pusher and, at its other end, a plate acting as a shutter to serve as a support for said spring, said plate being removable to access said pressure element, that is to say at spring and pusher so that the value of the pressure between the pressure rollers can be changed and changed as needed.
  • the reference beam comprises, at its ends, fixing means on the frame of the injection table, and in particular on a part of this frame which is retractable to provide access to pairs of rollers and the cutting system.
  • the assembly constituted by the driven press rollers, their roller frames and the reference beam is in the form of a module, which module of pressed press rollers is provided with means of removable attachment of the screw type, to allow a convenient and convenient mounting on the frame of the injection table.
  • the figure 1 shows, schematically, an injection table 1 found on machines shrink wrapper type.
  • This shrinkwrapper comprises, assembled on the same frame 2 general, a conveyor 3 which brings the products and product groups 4 on what corresponds to the module 5 wrapping itself.
  • the plastic film 6 which makes it possible to prepare widths, comes from a reel 7 which is installed on a reel 8 carried by the frame 2 of the machine. This plastic film is introduced between the conveyor 3 and the carpet 9 of the wrapping module 5, at the passage 10.
  • the plastic film 6 passes through the injection table 1 which comprises two pairs of rollers and, between these two pairs of rollers, there is a cutting system of said plastic film 6.
  • the injection torque consisting of the rollers 11 and 12 is disposed upstream of the cutting system and the torque of the rollers 13 and 14 is disposed downstream of said cutting system.
  • Each pair of rollers comprises a motorized roller; as shown figure 1 , the roll 11 and the roller 13 are motorized and the corresponding rollers 12 and 14 are simply conducted.
  • the rollers 11 and 13 motorized are preferably arranged on the fixed portion 2a of the frame 2; the rollers 12 and 14 conducted are arranged on the frame 2 also, but preferably on a part 2b of this frame 2 which opens the injection table and give access to the space between the rollers of each couple of rollers.
  • the plastic film 6 passes between these two pairs of rollers 11 to 14 and it also passes between guides 17, which guides 17 are fixed, integral with the frame 2, and they are associated, respectively, with each of these different rollers 11 to 14 .
  • the plastic film 6 also passes through the cutting system; it passes between the knife 15 and the counter knife 16 which are arranged so as to form, in the inactive cutting position, one and the other, guide members for said plastic film 6.
  • control means of the rollers 11 and 13 motors organize a slight difference in speed between these two rollers 11 and 13, which has the effect of producing a tension on the portion of the plastic film 6 which situated between this upstream roll 11 and this downstream roll 13.
  • the plastic film must be evenly stretched across its entire width.
  • the homogeneity of the contact pressure between the plastic film 6 and the rollers 13 and 14 pressers, over the entire width of said film 6, is obtained by arranging several pressure tracks along the width of said rollers, at least two tracks of pressure.
  • These pressure tracks correspond to the area of application of a plurality of press rollers 14 carried on the motorized press roller 13.
  • two driven press rollers 14 are mounted, independently of one another, each in a frame 19, which frame 19 is carried by a beam 20 which serves as a reference beam with respect to the frame 2 of the machine and this Beam 20 is secured to the general frame 1 of the machine through means which will be detailed later.
  • Each frame 19 comprises, at its ends, flanges 21 and 22 which receive the axis 23 of the roller 14 and this frame 19 is movable relative to the beam 20, guided appropriately by slide systems 24.
  • the slide systems 24 establish the travel d of the frame 19 relative to the beam 20.
  • This travel d between the frame 19 and the beam 20 is of the order of 2 mm for example.
  • each frame 19 and the beam 20 there is the presence of several elastic members. These elastic members are shown in detail figure 3 . They are housed in the beam 20, in a borehole 26 and are each constituted, as shown figure 3 , a spring 27 and a pusher 28.
  • the spring 27 is interposed between the pusher 28 and a plate 29, which plate 29 is fixed on the beam 20 to close the bore 26.
  • the pusher 28 is in the form of a part of revolution whose central portion is in the form of a base 30, which base 30 serves as a bearing surface for the spring 27. Beyond the base 30, the side of the frame 19, the pusher 28 has a nipple 31 which takes support on said frame 19 and transmits to the latter the pressure of the spring 27.
  • the bore 26 comprises, on the side of the frame 19, a shoulder 32 which retains the pusher 28 at its base.
  • the plate 29 is fixed by screws 33 on the beam 20 and it allows easy access to the spring 27 and the pusher 28.
  • the figure 2 shows the 14 pressure rollers integrated in a kind of module.
  • This module comprises, in the example shown, two independent rollers 14.
  • Each roller 14 is carried by a frame 19; these two frames 19 are independent of each other and they have their own pressure members 25 and their guide systems 24 cooperating with the reference beam 20.
  • the beam 20 comprises, at its ends, arrangements 34 which allow to secure it precisely on the part 2b of the frame 2 of the machine by means of screws 35 for fixing and centering, for example.
  • each pressure roller 14 The adjustment of the pressure that can be applied by each pressure roller 14 is feasible in two ways: either by a change of the pushers 28 whose base can be more or less thick, either by a change of the spring 27, or by means a change of the two, the pusher 28 and the spring 27, as needed.
  • This setting can be done directly in the factory, depending on the destination of the machine.
  • Such a setting, well chosen, has the advantage of being foolproof in normal use, because the pressure application elements are inaccessible without appropriate tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Advancing Webs (AREA)
  • Press Drives And Press Lines (AREA)
EP11773033.3A 2010-09-08 2011-09-06 Table d'injection d'un film plastique pour fardeleuse Active EP2614022B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057115A FR2964375B1 (fr) 2010-09-08 2010-09-08 Table d'injection d'un film plastique pour fardeleuse
PCT/FR2011/052032 WO2012032255A1 (fr) 2010-09-08 2011-09-06 Table d'injection d'un film plastique pour fardeleuse

Publications (2)

Publication Number Publication Date
EP2614022A1 EP2614022A1 (fr) 2013-07-17
EP2614022B1 true EP2614022B1 (fr) 2015-02-25

Family

ID=43877163

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11773033.3A Active EP2614022B1 (fr) 2010-09-08 2011-09-06 Table d'injection d'un film plastique pour fardeleuse

Country Status (7)

Country Link
US (1) US20130167477A1 (es)
EP (1) EP2614022B1 (es)
CN (1) CN103209914B (es)
BR (1) BR112013005322A2 (es)
FR (1) FR2964375B1 (es)
MX (1) MX338765B (es)
WO (1) WO2012032255A1 (es)

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* Cited by examiner, † Cited by third party
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FR2989668A1 (fr) * 2012-04-18 2013-10-25 Sidel Participations Table d'injection de film pour fardeleuse
CN103253399B (zh) * 2013-05-28 2015-09-02 江苏新美星包装机械股份有限公司 包装机中的上膜装置
CN103303533A (zh) * 2013-05-29 2013-09-18 广东一鼎科技有限公司 一种堆叠板材并且在板材之间夹入隔垫的装置
DE102013105551A1 (de) * 2013-05-29 2014-12-04 Windmöller & Hölscher Kg Vorzugsvorrichtung für den Vorzug einer Folienbahn in einer Sackfüllanlage
EP2835318B1 (en) 2013-08-05 2016-09-14 Brother Kogyo Kabushiki Kaisha Packaging device
CN104925311B (zh) * 2014-03-21 2018-02-27 珠海格力电器股份有限公司 供膜机构和封切设备
CN104150021A (zh) * 2014-08-11 2014-11-19 江苏申凯包装高新技术股份有限公司 一种半自动包料架
US20160332764A1 (en) * 2015-05-14 2016-11-17 Alain Cerf Cutting wrapping film on a lap seal machine
CN105151879B (zh) * 2015-06-30 2017-06-13 江苏新美星包装机械股份有限公司 膜包机中的切膜装置
CN106562689B (zh) * 2015-10-10 2019-05-07 漳州灿坤实业有限公司 储料盒的穿刺机构
CN109368365B (zh) * 2018-11-08 2023-12-08 华联机械集团有限公司 一种智能湿水胶纸机
CN109896328A (zh) * 2019-03-26 2019-06-18 江阴市星亚食品机械有限公司 食品生产用垫纸机
CN110027026A (zh) * 2019-05-21 2019-07-19 海安浩驰科技有限公司 一种塑料膜加工用裁切装置
CN112209146A (zh) * 2020-09-22 2021-01-12 安徽理工大学 一种聚丙烯薄膜的加工生产装置及其工艺
DE102020129647A1 (de) * 2020-11-10 2022-05-12 Weber Maschinenbau Gmbh Breidenbach Vorrichtung zum spurindividuellen Bereitstellen von Blattmaterial zum Unterlegen
DE102021112924A1 (de) * 2021-05-19 2022-11-24 Koenig & Bauer Ag Bogenverarbeitende Maschine mit mindestens einem Transportaggregat und Verfahren zur spurhaltigen Führung mindestens eines Transportbandes einer bogenverarbeitenden Maschine
CN113479365B (zh) * 2021-07-07 2022-06-14 江西师范大学 一种包装箱的自动覆膜装置

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JP5372042B2 (ja) * 2011-02-14 2013-12-18 キヤノン株式会社 シート搬送装置およびプリント装置

Also Published As

Publication number Publication date
FR2964375A1 (fr) 2012-03-09
US20130167477A1 (en) 2013-07-04
MX338765B (es) 2016-04-28
WO2012032255A1 (fr) 2012-03-15
MX2013002665A (es) 2013-04-09
BR112013005322A2 (pt) 2016-08-16
FR2964375B1 (fr) 2013-05-17
CN103209914B (zh) 2016-05-18
CN103209914A (zh) 2013-07-17
EP2614022A1 (fr) 2013-07-17

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