EP1050462B1 - Dispositif de tension pour machine de cerclage - Google Patents

Dispositif de tension pour machine de cerclage Download PDF

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Publication number
EP1050462B1
EP1050462B1 EP00107954A EP00107954A EP1050462B1 EP 1050462 B1 EP1050462 B1 EP 1050462B1 EP 00107954 A EP00107954 A EP 00107954A EP 00107954 A EP00107954 A EP 00107954A EP 1050462 B1 EP1050462 B1 EP 1050462B1
Authority
EP
European Patent Office
Prior art keywords
band
tensioning
unit according
guiding part
clamping
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.)
Expired - Lifetime
Application number
EP00107954A
Other languages
German (de)
English (en)
Other versions
EP1050462A3 (fr
EP1050462A2 (fr
Inventor
Charles Fischer
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.)
Strapex Holding GmbH
Original Assignee
Strapex Holding GmbH
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 Strapex Holding GmbH filed Critical Strapex Holding GmbH
Publication of EP1050462A2 publication Critical patent/EP1050462A2/fr
Publication of EP1050462A3 publication Critical patent/EP1050462A3/fr
Application granted granted Critical
Publication of EP1050462B1 publication Critical patent/EP1050462B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/22—Means for controlling tension of binding means

Definitions

  • the invention relates to a tensioning unit for a strapping machine for tensioning and closing a led around a material Band, with a clamping head and a receiving this Housing, the clamping head a clamping device and a clamping and Closure unit includes and towards the end of a respective tensioning process in a tape running direction opposite to the tensioning direction is displaceable relative to the housing, and wherein a in Belt running direction arranged behind the clamping and closing member Band guide is provided.
  • the belt is usually first in introduced a strapping of the strapping machine and so led around the respective strapping material. Then that will Band end clamped by means of the clamping and closing member. Before the band is tensioned by means of the tensioning device, are provided Tape guides moved back to release the tape. Subsequently the band is tensioned by the tensioning device, with the different Corners of the strapping friction occurs. After the Belt tension due to this friction from corner to corner of the strapping material decreases, the clamping head is in towards the end of the clamping process a tape running direction opposite the tensioning direction relative to this clamping head receiving housing moved to for a corresponding To ensure voltage equalization.
  • the strapping material fixed with respect to the housing, for example the housing fixed be connected to the strapping of the strapping machine can.
  • the invention has for its object a clamping unit of the beginning to create the type mentioned, on the previously required housing passages can be dispensed with and consequently without any intervention the adjacent components can be installed.
  • the rear one Band guide part through the front band guide part thus inside the housing generally pushed away transversely to the tape running direction, whereby space for movement of the front belt guide part within the housing is created.
  • the rear belt guide part makes the movement of the tensioning head in the tape running direction. In the case no more passages are required.
  • the clamping unit can without interfering with the adjacent components in the strapping machine in question to be built in. This is particularly the case when installing an advantage in existing machines.
  • the front and rear tape guide part can in particular with interacting inclined surfaces over which the rear Band guide part is pushed away accordingly. Will the chuck and thus the front tape guide part is moved in the tape running direction, the rear belt guide part slides along with its inclined surface the inclined surface of the front band guide part, for example outwards, which creates space for the front band guide part becomes.
  • Tensioning unit is the rear band guide part around one on the housing supported inner axle pivoted and by a spring force loaded into his tape guide position. Should the tape for the Tensioning process can be released, so the rear band guide part are deflected accordingly against the spring force. Then becomes against At the end of the tensioning process, the tensioning head is moved in the direction of the belt travel, can this rear band guide part against the spring force are also deflected to make room for the front belt guide part to accomplish.
  • the pivot axis in question preferably extends generally parallel to the tape running direction.
  • That which is preferably arranged at a free end of a pivot lever rear tape guide part can in particular with a tape guide slot be provided. As soon as this tape guide part from its tape guide position is swung out, the tape can be removed from the guide slot stepping out.
  • Tensioning unit is the front one for each release of the belt Belt guide part can be driven, while the rear belt guide part from front tape guide part is taken accordingly.
  • the rear Tape guide part is thus already for a respective tape release from front band guide part acted accordingly.
  • the front band guide part can, for example, about an axis pivotally mounted and by a spring force in its tape guide position be burdened.
  • the pivot axis expediently extends again generally parallel to the tape running direction.
  • a pivot lever front tape guide part is expedient again with a Band guide slot provided. This is conveniently with aligned with the guide slot of the rear tape guide part. Becomes now the rear belt guide part for a respective release of the belt for example, carried along by the front band guide part and accordingly pivoted with this, the band is simultaneously by released both slots.
  • the tensioning unit is preferably with a tape guide slot provided front tape guide part at a free end of a two-armed Arranged pivot lever, at the other free end with a cam roller interacting follower roller is provided. there the swivel lever can be returned to the tape guide position by spring force be burdened.
  • the tensioning head is also positioned in front of the belt Clamping and closure member arranged tape guide. Also such a front tape guide is then for a respective release of the The tape can preferably be moved out of its tape guide position.
  • Fig. 1 shows a purely schematic side view of one with an inventive Tensioning unit 10 provided strapping machine 12 with a the transfer sheet 16 encompassing the respective strapping material 14.
  • the tensioning unit is used to tension and close one around the material 14 led around band 18, which is for example can be a plastic band.
  • the clamping unit 10 has one Clamping head 20 and a housing 22 accommodating the same, which in the present case Case is supported on the transfer sheet 16.
  • the front bypass bow 16 surrounding strapping material 14 is with respect to the housing 22 of the clamping unit 10 fixed in its position.
  • the clamping head 20 comprises a clamping device 24 and a clamping and Closure unit 26.
  • the tensioning device 24 serves in particular the final tensioning of the band 18.
  • Between the tensioning device 24 and the clamping and locking assembly 26 is a with a reversible Drive connected conveyor roller pair 28 arranged. It's about it determined by an unwinder 30 via a tape guide unit 31 supplied and passed through the clamping device 24 Belt 18 in a belt running direction opposite to the tensioning direction S. B through the clamping and locking assembly 26 and with to shoot into the bypass bend 16 'ahead of the free band end 18', until the band end 18 'at a stop in the clamping and closing assembly 26 is coming.
  • the transfer sheet 16 runs around the strapping material 14 around.
  • the pair of conveyor rollers 28 is intended the led around the strapping 14 and by means of a first Band clamp 32 of the clamping and sealing assembly 26 at a distance clamped to the band end 18 'at the abovementioned stop Retract band 18 in tension direction S until at least is essentially applied to the strapping material 14.
  • the clamping and closing assembly 26 has a second band clamp 34 and a welding unit 36 between the two band clamps 32, 34 (Compare in particular Fig. 2 to 4), for example with a Welding tongue or the like can be provided.
  • the clamping and closing assembly 26 comes into operation, by the second band clamp 34 clamping the band 18 and the Welding unit 36 (compare FIGS. 2 to 4) the two each other overlapping portions of the band 18 by heating and clamping welded together. Then by means of the clamping and locking unit 26 the band 18 seen in the tensioning direction S downstream severed the weld.
  • band guide 40 is provided in the housing 22 in the tape running direction B behind the Clamping and closure member 26 arranged band guide 40 is provided.
  • Fig.4 can be removed, such a pushing away of the rear Tape guide part 40 "after release of the tape 18.
  • the rear band guide part 40 "pivotally mounted about an inner axis 48 supported on the housing 22, which extends generally parallel to the tape running direction B. (Compare in particular FIGS. 7 and 8). This is due to the free Rear band guide part 40 ′′ arranged at the end of a pivot lever 50 provided with a tape guide slot 52.
  • the return spring 42 is arranged between the housing 22 and the pivot lever 50. By this return spring 42 is the pivot lever 50 in the tape guide position loaded in the band 18 in the guide slot 52 is.
  • the rear band guide part 40 "then to release the tape 18 or beyond for release the displacement path for the front tape guide part 40 ' the force of the return spring 42 can be pivoted accordingly.
  • the front tape guide part is for a respective release of the tape 18 40 'drivable, while the rear tape guide part 40 "from the front Band guide part 40 'is taken accordingly (see in particular FIGS. 2 and 3).
  • the front one is Band guide part 40 'pivotally mounted about an axis 54 and through the force of a return spring 56 loaded into its tape guide position.
  • the pivot axis 54 again runs generally parallel to the tape running direction B.
  • the pivot lever is thus 60 pivoted about the cam 62 accordingly, whereupon the Band 18 from the guide slot 58 of this pivot lever 60 assigned front tape guide part 40 'emerges.
  • the rear band guide part 40 is carried along by the front band guide part 40 ', so that with a pivoting of the front band guide part 40 ' from the tape guide position also the rear tape guide part 40 "is pivoted accordingly and the belt 18 at the same time from the tape guide slot 52 of this rear tape guide part 40 " emerges.
  • the front band guide 38 is also for a respective release of the band 18 movable out of its tape guide position.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (12)

  1. Unité tendeuse (10) pour une machine de cerclage (12), destinée à tendre et à refermer un ruban (18) mené autour d'un produit à cercler (14), comportant une tête tendeuse (20) et un boítier (22) recevant celle-ci, dans laquelle la tête tendeuse (20) comprend un dispositif tendeur (24) ainsi qu'un dispositif de pincement et de fermeture (26) et est mobile en translation par rapport au boítier (22) vers la fin d'une opération de tensionnement respective dans une direction de tensionnement opposée à la direction de circulation de ruban (B), et un guidage de ruban (40) agencé en arrière du dispositif de pincement et de fermeture (26) en direction de circulation de ruban (B) est prévu dans le boítier (22),
    caractérisée en ce que le guidage de ruban (40) agencé en arrière du dispositif de pincement et de fermeture (26) est subdivisé en une partie de guidage de ruban avant et en une partie de guidage de ruban arrière (40' ou 40"), en ce que seule la partie de guidage de ruban avant (40') est mobile conjointement avec la tête tendeuse (20) par rapport au boítier (22), et en ce que la partie de guidage de ruban arrière (40") est mobile en éloignement en général transversalement à la direction de circulation de ruban (B) de préférence à l'encontre d'une force élastique (42) au moyen de la partie de guidage de ruban avant (40') déplacée en direction de circulation de ruban (B).
  2. Unité tendeuse selon la revendication 1, caractérisée en ce que les parties de guidage de ruban avant et arrière (40' ou 40") sont pourvues de surfaces obliques en coopération (44, 46) via lesquelles la partie de guidage de ruban arrière (40") est repoussée en correspondance.
  3. Unité tendeuse selon l'une ou l'autre des revendications 1 et 2, caractérisée en ce que la partie de guidage de ruban arrière (40") est montée en pivotement autour d'un axe intérieur (48) soutenu sur le boítier (22) et est chargée dans sa position de guidage de ruban par une force élastique (42).
  4. Unité tendeuse selon la revendication 3, caractérisée en ce que l'axe de pivotement (48) s'étend en général parallèlement à la direction de circulation de ruban (B).
  5. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que la partie de guidage de ruban arrière (40") agencée de préférence à une extrémité libre d'un levier de pivotement (50) est pourvue d'une fente de guidage de ruban (52).
  6. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que pour une libération respective du ruban (18), la partie de guidage de ruban avant (40') est susceptible d'être entraínée et la partie de guidage de ruban arrière (40") est emmenée en correspondance par la partie de guidage de ruban avant (40').
  7. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que la partie de guidage de ruban avant (40') est montée en pivotement autour d'un axe (54) et chargée dans sa position de guidage de ruban par une force élastique (56).
  8. Unité tendeuse selon la revendication 7, caractérisée en ce l'axe de pivotement (54) s'étend en général parallèlement à la direction de circulation de ruban (B).
  9. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que la partie de guidage de ruban avant (40') agencée de préférence à une extrémité libre d'un levier de pivotement (50) est pourvue d'une fente de guidage de ruban (58).
  10. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que la partie de guidage de ruban avant (40') pourvue de préférence d'une fente de guidage de ruban (58) est agencée à une extrémité libre d'un levier de pivotement (60) à deux bras, à l'autre extrémité libre duquel est prévu un galet suiveur (64) coopérant avec un disque à cames (62).
  11. Unité tendeuse selon l'une des revendications précédentes, caractérisée en ce que la tête tendeuse (20) comprend également un guidage de ruban (38) agencé en avant du dispositif de pincement et de fermeture (26) en direction de circulation de ruban (B).
  12. Unité tendeuse selon la revendication 11, caractérisée en ce que le guidage de ruban avant (38) est mobile hors de sa position de guidage de ruban pour une libération respective du ruban (18).
EP00107954A 1999-05-05 2000-04-17 Dispositif de tension pour machine de cerclage Expired - Lifetime EP1050462B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19920725 1999-05-05
DE19920725A DE19920725B4 (de) 1999-05-05 1999-05-05 Spanneinheit

Publications (3)

Publication Number Publication Date
EP1050462A2 EP1050462A2 (fr) 2000-11-08
EP1050462A3 EP1050462A3 (fr) 2002-09-18
EP1050462B1 true EP1050462B1 (fr) 2003-11-19

Family

ID=7907083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00107954A Expired - Lifetime EP1050462B1 (fr) 1999-05-05 2000-04-17 Dispositif de tension pour machine de cerclage

Country Status (7)

Country Link
US (1) US6568317B1 (fr)
EP (1) EP1050462B1 (fr)
AT (1) ATE254564T1 (fr)
CA (1) CA2307395C (fr)
DE (2) DE19920725B4 (fr)
ES (1) ES2209711T3 (fr)
TW (1) TW464626B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323153B4 (de) * 2003-05-22 2006-12-07 Helmut Schmetzer Schweißkopf für eine Bandumreifungsmaschine und Bandumreifungsmaschine
FR2911322B1 (fr) 2007-01-11 2012-08-10 Clayrton S Procede pour la preparation d'emballages de compositions florales et/ou vegetales
US7377213B1 (en) * 2007-09-07 2008-05-27 Illinois Tool Works Inc. Strapping machine with improved tension, seal and feed arrangement

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1176753A (fr) * 1956-06-21 1959-04-15 Appareil de conditionnement, notamment pour le traitement thermique de pièces
FR1176752A (fr) 1956-07-04 1959-04-15 Seal Less Strapping Ltd Mécanisme pour la formation d'une boucle de cerclage autour de colis
DE1157538B (de) * 1961-07-03 1963-11-14 Siegfried Guenther Rhode Verschnuerungsmaschine
US3179037A (en) * 1961-11-27 1965-04-20 Warrenton Marine Services Inc Preformed loop type binding machine
JPS5121998A (en) * 1974-08-15 1976-02-21 Nichiro Kogyo Kk Jidokonhokiniokeru bandoannaisochi
US4575994A (en) * 1983-12-05 1986-03-18 Shoko Kiko Co., Ltd. Package strapping machine
EP0223988B1 (fr) * 1985-11-06 1988-12-28 Strapex AG Dispositif de cerclage d'un objet avec une bande
US4724659A (en) * 1985-12-24 1988-02-16 Nichiro Kogyo Company Ltd. Band type strapping machine
US4912908A (en) * 1987-06-04 1990-04-03 Strapack Corporation Band tightening apparatus in a strapping machine
CA1320427C (fr) * 1987-06-18 1993-07-20 Yasunori Sakaki Methode et appareil de deroulage et de serrage de feuillard pour cercleuse
JPH0311129Y2 (fr) * 1987-07-08 1991-03-19
TW226355B (fr) 1992-05-19 1994-07-11 Strapex Holding Ag
JP2857281B2 (ja) * 1992-07-10 1999-02-17 ストラパック株式会社 梱包機におけるバンド装填装置
JPH0740917A (ja) * 1993-07-21 1995-02-10 Kioritz Corp 梱包機
DE4416013A1 (de) * 1994-05-06 1995-11-09 Georg Lang Vorrichtung zum Umreifen eines Packgutes
TW316885B (fr) * 1995-02-03 1997-10-01 Nichiro Kogyo Kk
DE19652103A1 (de) 1996-12-14 1998-06-18 Signode Bernpak Gmbh Vorrichtung zum Umreifen von Packstücken
CH692612A5 (de) 1998-03-09 2002-08-30 Strapex Holding Ag Bandspann-Vorrichtung an einer Umreifungsmaschine.

Also Published As

Publication number Publication date
DE19920725B4 (de) 2004-08-26
CA2307395A1 (fr) 2000-11-05
EP1050462A3 (fr) 2002-09-18
DE50004474D1 (de) 2003-12-24
CA2307395C (fr) 2006-09-12
DE19920725A1 (de) 2000-11-16
EP1050462A2 (fr) 2000-11-08
US6568317B1 (en) 2003-05-27
ATE254564T1 (de) 2003-12-15
TW464626B (en) 2001-11-21
ES2209711T3 (es) 2004-07-01

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