EP0744342A1 - Dispositif de mise sous tension et de fixation pour le cerclage d'un objet avec un lien - Google Patents

Dispositif de mise sous tension et de fixation pour le cerclage d'un objet avec un lien Download PDF

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Publication number
EP0744342A1
EP0744342A1 EP96108153A EP96108153A EP0744342A1 EP 0744342 A1 EP0744342 A1 EP 0744342A1 EP 96108153 A EP96108153 A EP 96108153A EP 96108153 A EP96108153 A EP 96108153A EP 0744342 A1 EP0744342 A1 EP 0744342A1
Authority
EP
European Patent Office
Prior art keywords
tensioning
tensioning wheel
wheel
band
drive motor
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
EP96108153A
Other languages
German (de)
English (en)
Other versions
EP0744342B1 (fr
Inventor
Nikolaus Stamm
Flavio Finzo
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.)
Signode Switzerland GmbH
Original Assignee
Orgapack AG
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 Orgapack AG filed Critical Orgapack AG
Publication of EP0744342A1 publication Critical patent/EP0744342A1/fr
Application granted granted Critical
Publication of EP0744342B1 publication Critical patent/EP0744342B1/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
    • 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
    • B65B13/185—Details of tools
    • B65B13/187—Motor means
    • B65B13/188—Motor means pneumatic or hydraulic

Definitions

  • the invention relates to a tensioning and closing device for strapping an object with a strap according to the preamble of patent claim 1.
  • German patent DE 32 29 870 C2 Such a device is known from German patent DE 32 29 870 C2.
  • the drive motor and the reduction gear are arranged parallel to one another and also parallel to the tensioning shaft and connected to one another via gearwheels.
  • the invention has for its object to provide a generic tensioning and closing device in which the drive of the tensioning wheel is simple and has a high efficiency.
  • this object is achieved in that the tensioning wheel is driven with the aid of a drive motor takes place, which is arranged coaxially with the tensioning wheel and connected to the tensioning wheel via a gearbox arranged coaxially with the tensioning wheel. In this way, there are few friction losses, so that a high overall efficiency of the tensioning wheel drive is achieved. In addition, the design is compact and simple.
  • the tensioning wheel has an inner recess, the transmission being at least partially housed in the recess of the tensioning wheel. This saves a lot of space.
  • the device is provided with a separate drive motor for the closing device.
  • Each motor can be optimally adapted to the respective requirements.
  • both drive motors can be fed by means of a rechargeable battery.
  • the high efficiency of the tensioning wheel drive according to the invention enables economical battery operation.
  • the tensioning and closing device is shown schematically in a perspective view. It comprises a housing 1 with a base plate 2, on which a clamping unit 3 and a closing unit, not shown, known per se, are fastened.
  • the device with the base plate 2 is placed on an object to be strapped with, for example, a thermoplastic plastic band.
  • the tape is wrapped around the object and two of its ends to be closed are held by the tensioning unit 3.
  • the closing unit is suitable for connecting the two overlapping ends after tensioning the tape in a manner known per se, for example by friction welding. If the tape is unwound from a supply roll, a separating device (not shown) can be arranged downstream of the tensioning unit 3 in order to separate the required section of tape from the supply roll.
  • the tensioning unit 3 has a fixed tooth plate 4 for placing the lower end of the band to be closed.
  • a movable tensioning shoe 5 is serrated on the underside for interacting with the tooth plate 4.
  • the top of the tensioning shoe 5 has a contact surface 10 which is suitable for placing the upper end of the band to be closed.
  • a pivotable rocker 6 is provided with a toothed tension wheel 8, which can be rotated about a tension axis 7, for pressing the upper end of the band against the tension shoe 5 and for grasping the upper end when the tension wheel 8 rotates, so that the band in the tensioning direction 9 is tensioned in a manner known per se.
  • the axis of rotation of the swiveling rocker 6 is arranged approximately between the tensioning shoe 5 and the base plate 2 and in the tensioning direction 9 behind the contact surface 10 of the tensioning shoe 5. This allows the rocker 6 with the tensioning wheel 8 can be lifted again without great effort in any position of use of the device, in particular when the belt is tensioned.
  • this arrangement of the rocker 6 is not essential for the invention.
  • the rocker 6 with the tensioning wheel 8 can be pivoted by actuating a lever 11.
  • the tensioning shoe 5 can be lifted off the tooth plate 4, so that the lower end of the band to be closed can be inserted between the toothed plate 4 and the tensioning shoe 5.
  • the lower end of the band is clamped and the tensioning wheel 8 is held at a distance from the tensioning shoe 5, so that the upper end of the band to be closed can be inserted between the tensioning shoe 5 and the tensioning wheel 8.
  • the tensioning wheel 8 is pressed against the contact surface of the tensioning shoe 5 and clamps the upper band end, so that the tensioning process can be carried out by rotating the tensioning wheel 8.
  • the drive of the tensioning wheel 8 for tensioning the band when the tensioning wheel 8 rests on the tensioning shoe 5 takes place by means of a motor 12 which is arranged coaxially with the tensioning wheel 8 and via a known gear, for example, also arranged coaxially with the tensioning wheel 8 a planetary gear is connected to the tensioning wheel 8.
  • the speed of the drive motor 12 is reduced to the desired level with the aid of the planetary gear, which is mounted under the rocker hood 13 coaxially with the clamping axis 7.
  • Both the closing unit and the clamping unit 3 are driven by a motor, the drive motor 12 of the clamping device and also the motor of the closing device can be powered by a battery.
  • the tensioning wheel 8 which is also mounted coaxially with the tensioning axis 7, is driven by means of the motor 12, so that it is rotated counterclockwise and tensions the band in the tensioning direction 9.
  • a backstop not shown, ensures that the tensioning wheel 8 can only be rotated in the tensioning direction 9.
  • the closing unit is activated after the tensioning process for friction welding the ends of the tensioned band. Since the closing unit is arranged behind the tensioning wheel 8 in the tensioning direction 9, the upper band end of the closing unit is not tensioned. This is advantageous in the friction welding of the two overlapping ends of the band, since a non-tensioned band section is easier to vibrate than a tensioned band section.
  • an electric motor or a compressed air motor can be used as the drive motor 12.
  • a brushless DC motor is advantageously chosen, which can be operated with the direct current of the battery.
  • the torque of the drive motor 12 of the tensioning wheel 8 is adjustable, so that appropriate band tension ranges can be set for different objects to be strapped.
  • FIG. 2 shows a sectional view of the device according to the invention.
  • the drive motor 12 is, for example, a brushless DC motor which is arranged coaxially with the tensioning wheel 8 and with the gear.
  • the transmission is a known, two-stage planetary transmission.
  • the motor pinion 14 of the drive motor 12 interacts with the planet gear 15 of the first reduction stage.
  • the planet gears 15 of the first stage are mounted on the planet gear carrier 16 of the first stage.
  • the tensioning wheel 8 advantageously has an inner recess, and the planetary gear is accommodated in this recess in a space-saving manner.
  • the tensioning wheel 8 is designed, for example, in the form of a cylinder jacket or ring or as a cylindrical ring, the inside being toothed.
  • the rocker 6 is closed by means of a cover 20.
  • the device is provided with a separate drive motor, known per se, not shown, for the closing device. Therefore, each motor can be optimally adapted to the respective requirements. Both drive motors can be fed by means of a single, also known and not shown battery. The efficient battery operation is made possible by the high efficiency of the tensioning wheel drive according to the invention.
  • FIG. 3 shows an exploded perspective view of the tensioning drive of the device.
  • the planet gears 15 and the planet gear carrier 16 form the first reduction stage.
  • the planet gear carrier 17 and the planet gears 19 form the second reduction stage.
  • another gear can also be used, for example a harmonic drive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP96108153A 1995-05-26 1996-05-22 Dispositif de mise sous tension et de fixation pour le cerclage d'un objet avec un lien Expired - Lifetime EP0744342B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH157195 1995-05-26
CH157195 1995-05-26
CH1571/95 1995-05-26

Publications (2)

Publication Number Publication Date
EP0744342A1 true EP0744342A1 (fr) 1996-11-27
EP0744342B1 EP0744342B1 (fr) 1999-08-18

Family

ID=4213544

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96108153A Expired - Lifetime EP0744342B1 (fr) 1995-05-26 1996-05-22 Dispositif de mise sous tension et de fixation pour le cerclage d'un objet avec un lien

Country Status (6)

Country Link
US (1) US5690023A (fr)
EP (1) EP0744342B1 (fr)
JP (1) JPH08324506A (fr)
AT (1) ATE183459T1 (fr)
CA (1) CA2176636A1 (fr)
DE (1) DE59602770D1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0997377B1 (fr) * 1998-10-29 2003-09-17 Orgapack GmbH Dispositif de cerclage
US6260337B1 (en) * 1999-10-27 2001-07-17 Illinois Tool Works Inc. Hand strapping tool
US7497068B2 (en) * 2007-07-10 2009-03-03 Illinois Tool Works Inc. Two-piece strapping tool
US9284080B2 (en) * 2008-04-23 2016-03-15 Signode Industrial Group Llc Mobile strappiing device
ES2861948T3 (es) * 2008-04-23 2021-10-06 Signode Int Ip Holdings Llc Dispositivo de flejado con un accionamiento eléctrico
US9315283B2 (en) * 2008-04-23 2016-04-19 Signode Industrial Group Llc Strapping device with an energy storage means
CN201411061Y (zh) * 2008-04-23 2010-02-24 奥格派克有限公司 带有传动装置的捆扎设备
US10518914B2 (en) 2008-04-23 2019-12-31 Signode Industrial Group Llc Strapping device
US11999516B2 (en) 2008-04-23 2024-06-04 Signode Industrial Group Llc Strapping device
US9193486B2 (en) * 2008-04-23 2015-11-24 Signode Industrial Group Llc Strapping device with a tensioner
CH705743A2 (de) 2011-11-14 2013-05-15 Illinois Tool Works Umreifungsvorrichtung.
JP6329151B2 (ja) 2012-09-24 2018-05-23 シグノード インターナショナル アイピー ホールディングス エルエルシー バンド掛け装置
CH708294A2 (de) 2013-05-05 2014-12-15 Orgapack Gmbh Umreifungsvorrichtung.
PL3105126T3 (pl) 2014-02-10 2018-11-30 Orgapack Gmbh Urządzenie napinające dla urządzenia taśmującego
DE102014011929A1 (de) * 2014-08-14 2016-02-18 Fromm Holding Ag Antriebseinheit für ein Umreifungsgerät
USD864688S1 (en) 2017-03-28 2019-10-29 Signode Industrial Group Llc Strapping device
CN219056664U (zh) * 2022-09-23 2023-05-23 浙江维派包装设备有限公司 一种拉紧机构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396889A (en) * 1966-05-23 1968-08-13 Signode Corp Reversible feed wheel mechanism for power strapping machines
EP0187942A1 (fr) * 1984-12-27 1986-07-23 Strapex AG Appareil pour assembler les extrémités d'une bande en matière thermoplastique
DE3229870C2 (fr) * 1982-08-11 1992-07-02 Hoesch Ag, 4600 Dortmund, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313779A (en) * 1979-07-30 1982-02-02 Signode Corporation All electric friction fusion strapping tool
DE3118710A1 (de) * 1981-05-12 1982-12-09 Cyklop International Emil Hoffmann KG, 5000 Köln Vorrichtung zum spannen, verschliessen und abschneiden von kunststoffbaendern fuer packstueckumreifungen
US5024149A (en) * 1989-04-15 1991-06-18 Signode Corporation Binding strap operating apparatus
EP0560082B2 (fr) * 1992-03-10 1999-02-17 Signode Corporation Dispositif de liage à main
US5476569A (en) * 1992-10-12 1995-12-19 Sekisui Jushi Kabushiki Kaisha Binding tool of friction welding type for a thermoplastic strap

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3396889A (en) * 1966-05-23 1968-08-13 Signode Corp Reversible feed wheel mechanism for power strapping machines
DE3229870C2 (fr) * 1982-08-11 1992-07-02 Hoesch Ag, 4600 Dortmund, De
EP0187942A1 (fr) * 1984-12-27 1986-07-23 Strapex AG Appareil pour assembler les extrémités d'une bande en matière thermoplastique

Also Published As

Publication number Publication date
JPH08324506A (ja) 1996-12-10
CA2176636A1 (fr) 1996-11-27
DE59602770D1 (de) 1999-09-23
EP0744342B1 (fr) 1999-08-18
US5690023A (en) 1997-11-25
ATE183459T1 (de) 1999-09-15

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