EP2497730B1 - Vorrichtung zur Akkumulation eines flachen Produkts auf einem flexiblen Band - Google Patents

Vorrichtung zur Akkumulation eines flachen Produkts auf einem flexiblen Band Download PDF

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Publication number
EP2497730B1
EP2497730B1 EP12158131.8A EP12158131A EP2497730B1 EP 2497730 B1 EP2497730 B1 EP 2497730B1 EP 12158131 A EP12158131 A EP 12158131A EP 2497730 B1 EP2497730 B1 EP 2497730B1
Authority
EP
European Patent Office
Prior art keywords
strip
accumulation
accumulator
side walls
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP12158131.8A
Other languages
English (en)
French (fr)
Other versions
EP2497730A1 (de
Inventor
Eric Fresnel
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.)
Sleever International Co SA
Original Assignee
Sleever International Co SA
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 Sleever International Co SA filed Critical Sleever International Co SA
Priority to PL12158131T priority Critical patent/PL2497730T3/pl
Publication of EP2497730A1 publication Critical patent/EP2497730A1/de
Application granted granted Critical
Publication of EP2497730B1 publication Critical patent/EP2497730B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/14—Accumulating surplus web for advancing to machine while changing the web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/30—Arrangements for accumulating surplus web
    • B65H20/32—Arrangements for accumulating surplus web by making loops
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/60—Damping means, shock absorbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/212—Accumulators of zigzag-type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00—Specific machines
    • B65H2408/20—Specific machines for handling web(s)
    • B65H2408/21—Accumulators
    • B65H2408/215—Accumulators supported by vacuum or blown air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/12—Width

Definitions

  • the invention relates to a device for accumulation of flat product in flexible band, for example a sheath of heat-shrinkable plastic material for the manufacture of heat-shrink sleeves on a container or any other object.
  • the document JP 2001-287859 also discloses a device for accumulating product in a flexible band.
  • the subject of the invention is an accumulation device of the type with an accumulation box in which the risk of twisting and mis-positioning of the band is decreased.
  • a flat product accumulation device in a flexible strip comprising an accumulation box comprising a bottom on which, at least during accumulation phases, the strip accumulates between two end walls and two side walls that extend opposite edges of the strip, the accumulation device comprising at least one means of reducing the risk of twisting of the band in the accumulation box.
  • the end wall closest to an inlet of the product in the feed box carries a deflector adapted to promote the layering of the product inside the feed box, the deflector being associated with vibration means for vibrating the deflector.
  • the association of the deflector with means of vibration of the deflector greatly facilitates the layering of the flat product which limits a risk of kinking the flat product, especially when it is a sheath of heat-shrinkable plastic material for manufacturing heat-shrink sleeves on a container that is not a uniform thickness which inevitably generates scroll problems in the accumulation box and increases the risk of twisting of the sheath relative to a flat product of uniform thickness.
  • the invention is therefore particularly suitable for limiting the kinking of such a sheath.
  • the storage device of the invention is intended to be inserted in an installation organizing the circulation of a strip flat product, for example a sheath of heat-shrinkable plastic material.
  • the circuit comprises a coil 2 forming a strip source 1.
  • the strip 1 is then engaged in a cushioning device 3 to a jumper comprising a series of fixed rollers 4 and a series of movable rollers 5 mounted on an articulated lever 6 on a pivot 7 and between which the band 1 extends.
  • the band 1 is then led towards an accumulation device 10 according to the invention.
  • the accumulation box 11 which is seen here in slice the end walls 12, the ceiling 13 and the bottom 14.
  • the accumulation box 11 is also closed by two side walls 30 visible in slice to the figure 2 .
  • the band 1 enters here in the accumulation box 11 through an opening 15 made in the ceiling 13 being guided by a motorized input roller 16. Then the band comes out here through an opening 17 formed in one of the walls end 12, guided by a motorized output roller 18.
  • the input rollers 16 and output rollers 18 are associated with counter-rollers for gripping the web 1 and forcing it to advance.
  • an antistatic bar 19 is disposed at the inlet of the accumulation box 11 to prevent any accumulation of static electricity in the accumulation box that could interfere with the stack of webs on top of each other.
  • the counter roll of the input roll 16 may be provided of the antistatic type.
  • the speed of rotation of the output roller 18 is of course adapted to the rate of tape call by the sleeve machine disposed downstream of the accumulation box 11.
  • the speed of rotation of the input roll 16 it is normally set to be identical to that of the output roller 18, except in the accumulation phases where it is greater than that of the output roller 18, thus causing the accumulation of the web in the accumulation box 11 as shown here.
  • the strand of tape coming out of the accumulation box comes from a part of the strip 1 extending under the layers formed by the strip 1.
  • the figure 1 is schematic, and the accumulation device 11 can see the formation of tens or even hundreds of layers inside the accumulation box 11. It will be noted that the layers are laid on one another, without twisting, thanks to the provisions detailed below.
  • the band 1 is progressively unwound from the coil 2 at the speed imposed by the machine downstream of the accumulation device.
  • the band 1 then passes through the accumulation box 11 without making tablecloths. If, thanks to a level indicator 50 disposed near the coil 2, it is detected that the coil is soon completely unwound, the input roller 16 is then controlled to turn faster than the output roller 18, so that the strip is gradually accumulated in the accumulation box 11.
  • an end of band sensor 51 disposed upstream of the accumulation box 11 marks the end of the strip, which controls the stop of the input roller 16. The end of band is then immobilized substantially above the accumulation box 11, where there is a connection table (not shown here).
  • an operator removes the empty spool and replaces it with a full spool.
  • the beginning of the new band is brought into the damping device 3 until coming close to the end of the old band.
  • the operator proceeds to connect the two strips, and when this connection is made, the input roll 16 is rotated again.
  • the amount of tape accumulated in the accumulation box 11 is adjusted to allow the operator time, taking into account the speed of travel of the tape output of the accumulation box, to change the coil and connect the new band to the old band.
  • rollers mentioned here have axes of rotation parallel and perpendicular to a running direction of the band 1 (and therefore also perpendicular to the side walls 30).
  • the provisions of the invention are more specifically intended to eliminate as much as possible, and in any case to reduce the risk that the tape does not twist or is positioned poorly in the accumulation box 11.
  • the bottom 14 of the accumulation box 11 carries idle rollers 20 on which the band 1 comes to rest during the accumulation phases.
  • the idle rollers 20 facilitate the exit of the strip through the opening 17 by avoiding that it is too slowed by the weight of the webs of strips accumulated on the outgoing strand.
  • the axis of rotation of the idler rollers 14 is parallel to the axes of rotation of the other rollers.
  • the accumulation box 11 is equipped with air circulation means to promote the proper positioning of the webs in the accumulation box 11 during the accumulation phases.
  • the air circulation means here comprise air extractors 21 installing a vacuum in a box 22 disposed under the bottom 14 of the accumulation box 11.
  • the bottom 14 of the accumulation box 11 is perforated so that the vacuum thus installed causes in the accumulation box 11 a flow of air from the top down (and thus towards the bottom of the accumulation box) as illustrated by the arrows on the figure 1 , tending to press the plies of the strip 1 against each other, and thus facilitate their stacking in the accumulation box 11. It will obviously be necessary to provide orifices in the ceiling 13 for the call of air.
  • the side walls 30 are provided with vibrators 31 for vibrating the side walls 30 during the accumulation of tape 1 in the accumulation box 11.
  • the vibration of the side walls 30 prevents the edges of the band 1 from clinging on the side walls, which can cause a twisting of the strip 1.
  • the side walls 31 are made of transparent material, in order to verify the good stack of webs 1 in the accumulation box 11.
  • the side walls 30 are associated with adjustable spacing means 40 for adjusting the distance between the faces of the side walls opposite so that this distance is adjusted to the width of the band 1, leaving a small clearance (typically a few millimeters for a band 10 centimeters wide).
  • the side walls 30 are each mounted on two supports 41 cooperating by a screw-nut type connection with respective shafts 42 (only one is visible at the figure 2 ) whose rotations are synchronized, for example by means of a belt.
  • Each shaft 42 is rotatably received in a bearing 44 integral with the bottom 13 of the box, and is threaded at its two ends in the opposite direction, so that rotation of one of the shafts causes spacing or bringing the two walls closer together.
  • one of the shafts 42 is here equipped with a crank 43 for its operation.
  • the side walls 30 are thus suspended by their supports 41, which facilitates their vibration under the effect of the vibrators 31.
  • the provisions of the invention can reduce the risk of twisting of the band in the accumulation box.
  • the applicant has been able to verify that the accumulation device is suitable for sealed heat-shrink plastic sleeves for the fitting of heat-shrink sleeves, sheaths having various thicknesses (20 to 150 micrometers), made of various materials (PVC, PET, OPS, etc.). .) traveling at speeds suitable for laying 20 to 600 sleeves per minute, the sleeves having heights of 15 to 250 millimeters. No twisting was found.
  • the band 101 is led towards an accumulation device 110 which comprises an accumulation box 111 which is shown here in slice end walls 112, the ceiling 113 and the bottom 114.
  • the accumulation box 111 is also closed by two side walls not shown here, at least one of which is transparent.
  • the band 101 enters here in the accumulation box 111 through an opening 115 made in the ceiling 113 being guided by a motorized input roller 116 associated with its against-roller. Then the strip comes out here through an opening 117 made in one of the end walls 112, being guided by an exit roller 118.
  • a motorized extraction roller 160 is here disposed outside to pull the strip out of the box 111, the motorized roller 160 being associated with a brush 161 to maintain a constant voltage output of the accumulation device. Furthermore, a choke 162 is disposed facing the output roller 118 to prevent the simultaneous output of several webs.
  • the idle rollers 120 are arranged not only close to the bottom 114, but also along an exit strand of the strip to facilitate said outlet, but also the air circulation means 121 which introduces a flow of air vertical in the accumulation box 111.
  • the end wall 112 opposite the one carrying the exit roller 118 here carries a baffle 164 suitable for promoting the laying of sheets of the band and which is here equipped with a vibrator 165 to move this deflector so that it creates a movement of the sheets to the outlet of the accumulation box 111.
  • the accumulation device is equipped with a level sensor 166 for managing the minimum level of layers in the accumulation box during an accumulation phase.
  • the level sensor 166 manages the speed of the input roll 116.
  • the circuit of the strip upstream of the feeder 110 comprises a coil 102 forming a strip source 1.
  • the strip 1 is returned to the inlet of the feed box 111 by means of cylinders 167 and 168 forming a cushion. air and equipped with lateral guide rings to assist in the recentering of the band, especially when using truncated coils.
  • the end-of-band sensor 151, located here immediately upstream of the return cylinder 168, and the level sensor 150 of the coil 102 are recognized.
  • said means are capable of numerous variants.
  • the side walls are both equipped with a vibrator, we can simply vibrate a single wall.
  • the spacing means causes a symmetrical displacement of the side walls with respect to a median plane, only one of the side walls can be moved, if the installation comprises means for centering the band in the center. space thus defined.

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Pile Receivers (AREA)
  • Making Paper Articles (AREA)
  • Basic Packing Technique (AREA)

Claims (7)

  1. Vorrichtung zum Sammeln eines flachen Produktes in Form eines flexiblen Bandes, umfassend ein Sammelgehäuse (11), das einen Boden (14; 114) umfasst, auf dem sich das Band zumindest während der Sammelphasen zwischen zwei Endwänden (12; 112) und zwei Seitenwänden (30; 130), die sich gegenüber den Rändern des Bandes erstrecken, ansammeln wird, wobei die Sammelvorrichtung mindestens ein Mittel zum Verringern des Risikos einer Verdrehung des Bandes in dem Sammelgehäuse umfasst, wobei die Sammelvorrichtung dadurch gekennzeichnet ist, dass die Endwand (12), die einem Eintritt des Produktes in das Versorgungsgehäuse am nächsten ist, einen Deflektor (164) trägt, der dazu geeignet ist, die Schichtbildung des Produktes im Inneren des Versorgungsgehäuses zu begünstigen, wobei der Deflektor mit Vibrationsmitteln (165) verbunden ist, um den Deflektor in Schwingungen zu versetzen.
  2. Vorrichtung nach Anspruch 1, bei der das Mittel zum Verringern des Risikos einer Verdrehung des Bandes in dem Sammelgehäuse ausgewählt wird aus:
    - leerlaufend gelagerten Rollen (20; 120), zumindest nahe dem Boden, auf denen das Band während der Sammelphasen aufliegt;
    - Luftzirkulationsmittel (21; 121), um in dem Gehäuse eine Luftzirkulation in Richtung Boden des Sammelgehäuses zu erzeugen;
    - Vibrationsmittel (31) für mindestens eine der Seitenwände;
    - Einstellmittel (41, 42, 43) zum Einstellen eines Abstandes der Seitenwände.
  3. Sammelvorrichtung nach Anspruch 2, bei der die Luftzirkulationsmittel mindestens einen Luftsauger (21; 121) umfassen, der so angeordnet ist, dass er einen Unterdruck in einem Kasten (22, 122) erzeugt, der unter dem Boden des Sammelgehäuses angeordnet ist, wobei der Boden perforiert ist, um in dem Sammelgehäuse die Luftzirkulation in Richtung des Bodens desselben zu bewirken.
  4. Sammelvorrichtung nach Anspruch 2, bei der die Vibrationsmittel mindestens einen Schwingungserzeuger (31) umfassen, der direkt mit einer der Seitenwände (30) verbunden ist.
  5. Sammelvorrichtung nach Anspruch 2, bei der die Mittel zum Einstellen des Abstandes der Seitenwände zwei parallele Wellen (42) mit synchronisierter Drehung umfassen, wobei die Wellen fest mit den Seitenwänden (30) verbundene Träger (41) tragen, die mit den Wellen über eine Verbindung der Art Schraube-Mutter zusammenwirken, wobei die Wellen an ihren Enden mit gegenläufigen Gewinden versehen sind, so dass eine Drehung einer der Wellen ein Entfernen oder Annähern der Seitenwände (30) symmetrisch in Bezug auf eine Laufmittelebene des Bandes verursacht.
  6. Anlage für den Umlauf eines bandförmigen flachen Produktes, umfassend eine Sammelvorrichtung nach einem der vorhergehenden Ansprüche, in Verbindung mit einer Dämpfungseinrichtung (4, 5, 6, 7), die stromaufwärts oder stromabwärts derselben angeordnet und dazu geeignet ist, Bandanforderungsrucke stromabwärts der Dämpfungseinrichtung zu absorbieren.
  7. Verfahren zur Verwendung einer Sammelvorrichtung nach einem der Ansprüche 1 bis 6, umfassend die Schritte:
    - während eines normal Betriebs Einwirken auf die Eintritts- und Austrittsgeschwindigkeiten des Bandes in dem Sammelgehäuse (111), um dort dauerhaft einen losen Bandtrum (180) zu bilden und beizubehalten;
    - während einer Sammelphase vor einem Wechsel der Bandquelle Einwirken auf die Eintritts- und Austrittsgeschwindigkeiten des Bandes in dem Sammelgehäuse (111), um dort übereinander angeordnete Bandschichten zu bilden.
EP12158131.8A 2011-03-10 2012-03-05 Vorrichtung zur Akkumulation eines flachen Produkts auf einem flexiblen Band Not-in-force EP2497730B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12158131T PL2497730T3 (pl) 2011-03-10 2012-03-05 Urządzenie do gromadzenia produktu płaskiego w postaci elastycznej taśmy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1151982A FR2972434B1 (fr) 2011-03-10 2011-03-10 Dispositif d'accumulation de produit plat en bande souple

Publications (2)

Publication Number Publication Date
EP2497730A1 EP2497730A1 (de) 2012-09-12
EP2497730B1 true EP2497730B1 (de) 2018-01-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12158131.8A Not-in-force EP2497730B1 (de) 2011-03-10 2012-03-05 Vorrichtung zur Akkumulation eines flachen Produkts auf einem flexiblen Band

Country Status (7)

Country Link
US (1) US9120637B2 (de)
EP (1) EP2497730B1 (de)
CN (1) CN102674074B (de)
ES (1) ES2661231T3 (de)
FR (1) FR2972434B1 (de)
MX (1) MX2012002858A (de)
PL (1) PL2497730T3 (de)

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ITBO20110725A1 (it) * 2011-12-16 2013-06-17 Gd Spa Metodo e macchina per la produzione di buste contenenti materiale in fibra.
CN102874632B (zh) * 2012-10-12 2015-01-07 温州鸿马科技有限公司 一种储布机
CN103072839B (zh) * 2013-01-06 2016-08-03 四川江瀚工业股份有限公司 型材自动存储装置
CN103662214B (zh) * 2013-12-05 2015-10-28 浙江双友物流器械股份有限公司 一种吊带的包装方法
CN105775826B (zh) * 2016-03-22 2018-05-29 广东中天科技光缆有限公司 一种用于通信光缆的储带机及铝带连接方法
CN105836521A (zh) * 2016-05-17 2016-08-10 苏州市晨彩纺织研发有限公司 一种纺织布料储放装置
CN106494921A (zh) * 2016-12-26 2017-03-15 四川江虹线缆制造有限公司 一种用于生产光缆用铝带储带设备
CN108675032A (zh) * 2018-06-29 2018-10-19 常州永盛新材料装备股份有限公司 一种柔性基材超长存储量的储箱
CN109626120B (zh) * 2018-12-26 2020-11-03 嘉兴群易信息科技有限公司 一种折叠挤压式电缆绞线装置
CN110589556B (zh) * 2019-09-23 2024-05-21 浙江善力高科新材料有限公司 一种网布的不间断送料装置
CN112345857B (zh) * 2020-11-02 2021-07-06 山东华冠智能卡有限公司 一种石墨烯rfid标签全自动检测换标装置
CN113200394A (zh) * 2021-04-21 2021-08-03 苏州瀚川智能科技股份有限公司 带材连续供料装置
CN113369243B (zh) * 2021-05-25 2022-11-01 广东核电合营有限公司 一种用于核电站的激光枪收纳装置及激光去污回收装置

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Also Published As

Publication number Publication date
MX2012002858A (es) 2012-09-10
PL2497730T3 (pl) 2018-07-31
EP2497730A1 (de) 2012-09-12
FR2972434A1 (fr) 2012-09-14
US9120637B2 (en) 2015-09-01
ES2661231T3 (es) 2018-03-28
FR2972434B1 (fr) 2013-12-27
US20120228353A1 (en) 2012-09-13
CN102674074A (zh) 2012-09-19
CN102674074B (zh) 2015-01-14

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