EP0894718B1 - Bandschiebeeinrichtung einer Umreifungsmaschine - Google Patents

Bandschiebeeinrichtung einer Umreifungsmaschine Download PDF

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Publication number
EP0894718B1
EP0894718B1 EP98113065A EP98113065A EP0894718B1 EP 0894718 B1 EP0894718 B1 EP 0894718B1 EP 98113065 A EP98113065 A EP 98113065A EP 98113065 A EP98113065 A EP 98113065A EP 0894718 B1 EP0894718 B1 EP 0894718B1
Authority
EP
European Patent Office
Prior art keywords
band
wheel
moving device
belt
drive
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
EP98113065A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0894718A1 (de
Inventor
Hans Huber
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 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 Orgapack GmbH filed Critical Orgapack GmbH
Publication of EP0894718A1 publication Critical patent/EP0894718A1/de
Application granted granted Critical
Publication of EP0894718B1 publication Critical patent/EP0894718B1/de
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 belt sliding device Strapping device for putting a strap around a packaged product, as well as the one provided with a belt sliding device Strapping.
  • the tape is over a circumferential belt of a belt or enveloping drive.
  • the belt is thereby caused by frictional forces between the belt and the belt.
  • the second type of belt pusher is a feed of the volume achieved by directly over a or several roles is performed. Again, there is a frictional force - namely between the roles and the belt - used.
  • the present invention relates to the first type of belt sliding devices, which for example from the CH-PS 662 791 is known.
  • a strapping device with described a belt sliding device in which a belt is guided over a deflection roller and a drive roller. So one for feeding and tensioning the belt required friction between the belt and the belt comes about, an eccentric disc presses the tape against the Belt.
  • the tape is not only in the area of Wrap angle of the belt on the pulley. Due to the eccentric disc, it turns up on the pulley on the one hand, a larger wrap angle of the belt.
  • the eccentric disc also causes the tape already outside the range of the wrap angle on Belt rests, which creates a relatively large contact surface between the belt and the band. This guy of belt sliding devices is therefore predestined for the application of particularly high clamping forces.
  • the invention is therefore based on the object of a belt sliding device of the type mentioned at the beginning, as well as a Strapping device - the one with a strap pusher is provided - to further train that the danger the emergence of such band deformations at least is reduced.
  • the task is also carried out by a strapping device solved according to claim 15.
  • An essential aspect of the invention is therefore that for the tension phase - i.e. the time span in which the tape tension is applied to the tape at which the Band is subsequently closed - a separate tensioning wheel is used.
  • the measure, for generation a feed rate of up to 4 m / s and the application of the Clamping force to use a different wheel each allows the tensioning wheel to the belt only during the tensioning phase to apply.
  • the tape only lies flat on the envelope member, for example a V-belt, and also experiences a deflection by a tensioning wheel only if it is actually is excited.
  • this can Tensioning wheel can be transferred to two end positions, this being the case conveniently done by a pivoting movement.
  • the first end position is the tensioning wheel at a distance from the belt and arranged to the belt so that between the tensioning wheel and the Band does not come into contact.
  • the second end position which the tensioning wheel only occupies in the tensioning phase will Tensioning wheel pivoted in the direction of the belt, so that a partial wrapping of the tensioning wheel through the belt and gives the strap.
  • the belt sliding device has a second drive wheel that can be placed in a position where it presses against an outer surface of the enveloping member or belt and is partially embraced by it.
  • the second Drive wheel can be used to generate the feed movement of the Belt, i.e. the movement with which the belt pulls the tape from a supply roll to education a belt loop to enable the packaged goods. It is however preferred that the second drive wheel additionally also to generate the for a withdrawal movement of the Band required rotation of the enveloping member used becomes. In this context, it may be useful exclusively for both the feed and retraction movements to use the second drive wheel. Furthermore can be provided, the second drive wheel only for this use both movement.
  • the second drive wheel with a contact pressure, which is preferably generated by a spring against the belt on.
  • the second drive wheel is pivoted, without locking it in a specific position. Because the strap is also not between one on the other Side of the belt arranged counter wheel, such as the deflection wheel, and the drive wheel is pinched, results the position of the second drive wheel in dependence from the belt tension.
  • the second drive wheel thus has also functions as a belt tensioner.
  • Pinch roller both in the feed, retraction and in the tension phase on the belt and presses it onto one of the two wheels, preferably on a non-driven one Guide wheel.
  • Fig. 1 shows a highly schematized automated Strapping device 1 with which a plastic strap 2 withdrawn from a supply roll 3 and in a guide 4 around a packaged item 5 is placed. 1 the plastic band 2 already loosely surrounds the packaged goods 5 a loop 6.
  • a band pushing device 7 of the strapping device 1 performs both the feed, retraction and tensioning of the Volume 2. After the target tension is applied to the tape the tape is moved from one in the feed direction (corresponds to arrow 8) of the belt behind the belt sliding device 7 arranged closing unit 9 by friction welding closed and the loop 6 separated from the tape 2.
  • the ends of the Band loop 6 also by any other Connection technology can be connected.
  • the belt sliding device 7 an enveloping drive 12 with a multiple V-belt 13 Has envelope member.
  • the V-belt 13 runs with its inner surface 14 via two wheels 15, 16 with different Diameters.
  • the smaller wheel is on first drive wheel 16 for the belt, which is not one DC motor shown driven by a spiroid gear becomes.
  • the larger wheel is a non-driven, free running deflection wheel 15, with which the band 2 of its direction with which it is in the belt sliding device runs in, deflected towards the closing unit 9 becomes.
  • the belt tension is the distance between the Deflection wheel 15 and the drive wheel 16 in a not shown Modifiable, e.g. in which the deflection wheel on a pivot lever is arranged.
  • the Belt slide device 7 one of one also not shown DC motor driven second Drive wheel 17 on.
  • the second drive wheel 17 is on one lever 19 pivoted about an axis 18 and is by a spring, not shown, against an outer surface 20 of the belt 13 pressed. This wraps around the belt 13 a portion of the circumference of the second drive wheel 17, causing this to rotate on the belt 13 transfers.
  • a non-driven pressure roller 23 is with its axis arranged at one end of a further lever 24.
  • the in lever 24 running approximately along an arc is on his other end 25 pivotally mounted, so that between the lever 24 and the deflection wheel 15 forms a gap in which the belt 13 and the band 2 runs.
  • the pressure roller 23 by a not shown Spring pressed in the direction of the deflection wheel 15. Consequently the pressure roller 23 presses the band 2 onto the outer surface 20 of the belt.
  • the contact pressure of the pressure roller 23 is Cause of the creation of a feed Frictional force between the belt 13 and the belt 2.
  • the place at which the essentially linear contact between the pressure roller 23 and the belt 2 is located on the one hand in the area in which the belt the pulley 15 wraps around.
  • the pressure roller 23 is provided with a not shown Provide sensor with which their speed, at least however, their rotational state is detectable.
  • the sensor sends a corresponding signal to a central control of the, also not shown Strapping.
  • the belt sliding device has 7 a freely rotatable tension wheel 26, the also on a lever 28 pivotable about an axis 27 is arranged.
  • the tensioning wheel can be moved through the swivel lever 28 be transferred to two end positions.
  • the first end position is the tensioning wheel 26 at a distance from Volume 2 arranged and has no contact with it.
  • the tensioning wheel 26 in the second end position shown in Fig. 3 convertible in which presses the tensioning wheel 26 against the belt 13, so that both the band 2 and the belt 13 the tension wheel 26 partially wrap around its circumference.
  • the part of the Belt 13, which wraps around the tensioning wheel 26, lies freely between the two wheels 15, 16, without these to lie on or between these and the tensioning wheel 26 getting pinched. Swiveling the tensioning wheel 26 thus causes the belt 13 and the band 2 to experience additional redirection. As a result, the tape is 2 along the belt for a longer distance than in the comparison to the feed and retraction phases described above.
  • an (imaginary) straight line connecting the axes of the the two wheels 15, 16 is the tensioning wheel 26 in this second end position approximately at the middle of the Connecting line.
  • the second drive wheel 17 is located with regard to the straight line mentioned on the other side, but also about the height of the middle this straight line and thus opposite the tensioning wheel.
  • the second drive wheel also acts like a belt tensioner, with which a predetermined belt tension is set can be.
  • the strapping device according to the invention 1 a likewise not shown in the figures, further - designed as a DC motor - Drive motor with which the pivoting movement of the lever 28th of the tension wheel 26 is generated.
  • Both the drive motors of the drive wheels 16, 17 and the drive motor of the swivel lever are controlled by a parent central control of the strapping device 1 driven.
  • the second one Drive wheel 17 driven by its DC motor, so that it rotates clockwise, as shown in Fig. 2 by the Arrow 29 is indicated.
  • a frictional connection between the Drive wheel 17 and the belt takes the latter, which turns it counterclockwise. Since the Belt 13 with a certain tension on the two wheels 15, 16 sits, these are carried along by the belt movement.
  • the pressure roller 23 presses the band 2 against the belt, which essentially in Area of the pressure roller 23 also a friction between the belt and the belt 13 is generated. This friction causes the feed (arrow 8) of the band 2 to form the Belt loop around the packaged goods 5 in the guide 4 (FIG. 1).
  • the belt surrounds it Packaged goods 5 loose, i.e. it surrounds the packaged goods without closing them touch.
  • the withdrawal phase begins with the Switch on and reverse the direction of rotation of the second drive wheel 17.
  • the second drive wheel 17 thus rotates during the retreat phase counterclockwise, which is shown in Fig. 2 is indicated by the arrow 30.
  • the pressure of the pinch roller 23 on the belt now causes the belt to come off the belt is pulled back towards the supply roll 3 until it is on Packaged goods are present.
  • the withdrawal movement ends when the tape is provided with a clamping force that is greater than that Frictional force between the belt 13 and the belt 2. Is this Condition reached, both the tape and the pinch roller remain 23 stand and the strap slips under the belt.
  • the control system causes the Tensioning wheel 26 from its first to its second end position (Fig. 3), whereby the tensioning phase is initiated.
  • the Tension phase is characterized by the fact that the tape with only withdrawn a relatively short length of tape and in essentially the band tension is increased.
  • the closing unit comes 9 used. In this is now the Place the tape 2 clamped, which is connected to the tape end shall be. After the drive motor of the first Drive wheel 16 is turned off, the belt loop with welded to the end of the strip and separated from the supplied strip 2.
  • the control system causes the tensioning wheel to be transferred again 26 from its second to its first end position. Thereby lifts the tensioning wheel 26 from belt 2 and relieves it.
  • the tape has - after the tensioning phase has ended
  • Start of the next feed phase - only in the area of the Pressure roller 23 has a substantially linear contact with the belt 13. This can cause permanent band deformation be avoided due to the "memory effect".

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Clamps And Clips (AREA)
EP98113065A 1997-07-28 1998-07-14 Bandschiebeeinrichtung einer Umreifungsmaschine Expired - Lifetime EP0894718B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH180797 1997-07-28
CH1807/97 1997-07-28
CH180797 1997-07-28

Publications (2)

Publication Number Publication Date
EP0894718A1 EP0894718A1 (de) 1999-02-03
EP0894718B1 true EP0894718B1 (de) 2003-04-16

Family

ID=4219070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98113065A Expired - Lifetime EP0894718B1 (de) 1997-07-28 1998-07-14 Bandschiebeeinrichtung einer Umreifungsmaschine

Country Status (5)

Country Link
US (1) US6041581A (es)
EP (1) EP0894718B1 (es)
CA (1) CA2243921C (es)
DE (1) DE59807937D1 (es)
ES (1) ES2196431T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105667864A (zh) * 2016-03-30 2016-06-15 中山市馨立卫浴设备有限公司 一种牛仔裤捆扎设备

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6334563B1 (en) * 1999-05-05 2002-01-01 Smb Schwede Maschinenbau Gmbh Retensioning device for strapping machines
IT1310516B1 (it) * 1999-10-13 2002-02-18 Gd Spa Metodo e macchina per la fascettatura di gruppi di foglietti.
DE10218135B4 (de) * 2002-04-23 2006-07-27 Titan Umreifungstechnik Gmbh & Co Kg Vorrichtung zum Umreifen von Warenstücken mit Band
US8146212B2 (en) * 2005-06-07 2012-04-03 Band-It-Idex, Inc. Free end band
CA2704426C (en) * 2007-11-02 2017-06-20 Band-It-Idex, Inc. Dual locking band clamp and method of forming the same
US8356641B2 (en) * 2007-11-02 2013-01-22 Band-It-Idex, Inc. Stationary band clamping apparatus
JP2009161206A (ja) * 2007-12-28 2009-07-23 Taiyo Seiki Kk テープ結束装置
CN102530291B (zh) * 2011-12-22 2013-07-10 杭州永创智能设备股份有限公司 一种新型打包机
US8701555B2 (en) * 2012-04-25 2014-04-22 Illinois Tool Works Inc. Tension head for modular steel strapping machine
CN103743518B (zh) * 2013-12-30 2016-10-05 天津市华之阳特种线缆有限公司 一种绕包机张力自动检测装置
CN103762042B (zh) * 2013-12-30 2016-05-11 天津市华之阳特种线缆有限公司 一种绕包带叠带自动检测装置
NL2015588B1 (nl) 2015-10-08 2017-05-02 Bandall Productie B V Inrichting voor het banderolleren van producten.
NL2015589B1 (nl) * 2015-10-08 2017-05-02 Bandall Productie B V Inrichting voor het banderolleren van producten.
TWM585238U (zh) * 2019-05-10 2019-10-21 長諺工業股份有限公司 可二次送帶之打包機送帶裝置

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US1750059A (en) * 1926-07-15 1930-03-11 Arthur R Selden Machine for banding a. strip and cutting the latter between the bands to provide banded pieces
US3752058A (en) * 1971-06-11 1973-08-14 Signode Corp Feed mechanism
LU79160A1 (de) * 1978-03-03 1978-06-28 Luedtke P Schweissvorrichtung fuer eine paketverschnuermaschine
CH641107A5 (en) * 1979-02-26 1984-02-15 Nichiro Kogyo Kk Method for the supply and tensioning of a tightening strap
DE3118712A1 (de) * 1981-05-12 1982-12-02 Cyklop International Emil Hoffmann KG, 5000 Köln Vorrichtung zum anlegen und spannen eines umreifungsbandes um ein packstueck
DE3300039A1 (de) * 1982-01-08 1983-07-21 Shoko Kiko Co., Ltd., Shijo nawate, Osaka Verfahren zum regulieren der spannung eines umschnuerungsbandes in einer umschnuerungsmaschine
DE3249559A1 (de) * 1982-05-29 1985-08-14 Hoesch Ag, 4600 Dortmund Vorschub- und spannvorrichtung fuer ein um ein packstueck zu spannendes umreifungsband
CH662791A5 (de) 1984-03-13 1987-10-30 Konrad Feinmechanik Ag A Maschine zum anlegen eines bandes um ein packgut.
CH668402A5 (de) * 1985-03-15 1988-12-30 Konrad Feinmechanik Ag A Verfahren und maschine zur umreifung eines packgutes mit einem umreifungsband.
US5146847A (en) * 1991-04-01 1992-09-15 General Motors Corporation Variable speed feed control and tensioning of a bander
JP2857280B2 (ja) * 1992-06-10 1999-02-17 ストラパック株式会社 梱包機におけるバンド供給・引締方法及び装置
US5459977A (en) * 1993-12-09 1995-10-24 Illinois Tool Works Inc. Method and apparatus for an improved power strapping machine
US5516022A (en) * 1994-02-28 1996-05-14 Illinois Tool Works, Inc. Method and apparatus for a two speed strap take up
TW291470B (es) * 1995-02-14 1996-11-21 Nichiro Kogyo Kk
DE19523274A1 (de) * 1995-06-27 1997-01-09 Mosca G Maschf Maschine zum Umschnüren von Packstücken

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105667864A (zh) * 2016-03-30 2016-06-15 中山市馨立卫浴设备有限公司 一种牛仔裤捆扎设备
CN105667864B (zh) * 2016-03-30 2017-12-15 中山市馨立卫浴设备有限公司 一种牛仔裤捆扎设备

Also Published As

Publication number Publication date
EP0894718A1 (de) 1999-02-03
CA2243921A1 (en) 1999-01-28
US6041581A (en) 2000-03-28
CA2243921C (en) 2001-12-25
ES2196431T3 (es) 2003-12-16
DE59807937D1 (de) 2003-05-22

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