EP0625464B1 - Verschlusseinrichtung - Google Patents

Verschlusseinrichtung Download PDF

Info

Publication number
EP0625464B1
EP0625464B1 EP94101446A EP94101446A EP0625464B1 EP 0625464 B1 EP0625464 B1 EP 0625464B1 EP 94101446 A EP94101446 A EP 94101446A EP 94101446 A EP94101446 A EP 94101446A EP 0625464 B1 EP0625464 B1 EP 0625464B1
Authority
EP
European Patent Office
Prior art keywords
closure
drive shaft
clamping
closure device
cutters
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
EP94101446A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0625464A3 (en
EP0625464A2 (de
Inventor
Gerd Bartzick
Gerd Bühne
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.)
Titan Umreifungstechnik GmbH and Co KG
Original Assignee
Fried Krupp AG Hoesch Krupp
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 Fried Krupp AG Hoesch Krupp filed Critical Fried Krupp AG Hoesch Krupp
Publication of EP0625464A2 publication Critical patent/EP0625464A2/de
Publication of EP0625464A3 publication Critical patent/EP0625464A3/xx
Application granted granted Critical
Publication of EP0625464B1 publication Critical patent/EP0625464B1/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
    • B65B13/24—Securing ends of binding material
    • B65B13/30—Securing ends of binding material by deforming the overlapping ends of the strip or band

Definitions

  • the invention relates to a closure device on a packaging machine for steel strapping with an upper part above the channel section provided for the formation of the closure, the upper knife containing punching dies, a clamping stamp and a cutting knife, and a lower section lying below the channel section in the form of a base plate, on which the upper knife Stamp aligned lower knife are attached, and the housing of the upper part is fixedly connected to the base plate and is pivotable about an axis parallel to the longitudinal direction of the strapping channel, which is also the drive shaft for driving the punch containing the upper knife.
  • a generic device is known from the prior art according to US-A-3 804 001.
  • a disadvantage of the upper and lower knives mounted on a common pivotable housing is the more complicated one Design of the drives for the upper knives and the clamping and cutting devices that have to be divided or separated during the swiveling movement.
  • pivot axis forms the drive shaft for driving the pivoting device of the closure device.
  • the back and forth movements of the upper knives, clamping and cutting devices are generated by cams, cranks or eccentrics located on the drive shaft. It is particularly easy to mount eccentrics on the drive shaft, to which crank arms are attached.
  • the eccentric discs 2, 3 and 4 are placed on the drive shaft 1 and drive the upper cutters 5, 6 and 7 via crank arms.
  • the base plate 8 is located below the upper knife.
  • the base plate 8 is firmly connected to the pivotable part 9 of the housing.
  • the non-pivotable part 10 of the housing is on the right side in FIG. 2. In the closed state, the base plate 8 is supported with the nose 11 on an extension 12 of the non-pivotable part 10 of the housing. 3, the pivotable part 9 of the housing is pivoted out.
  • the base plate 8 is thereby pivoted out of the gap between the package 13 and the finished closure, so that the strapped package 13 can be transported further and a new package to be strapped can be brought into the strapping position.
  • the upper knife 5 When the drive shaft rotates, the upper knife 5 first cuts a closure into the packing tape 14. In addition, this upper knife 5 has a double function. The band tension is fixed with a clamping edge which presses on the tightened packing tape after the closure has been cut and which sits on the upper knife 5. Then the part of the packing tape running from the tensioning device to the closure part is relaxed and cut through the upper knife 6, so that thereafter there is no longer any connection with the tape of the supply roll 15. When the upper knife 6 is lowered further, the second closure is punched through it. The upper knife 6 thus performs the double functions, cutting and closing instances. Then the upper knife 6 is raised and shortly thereafter the upper knife 5, so that its clamping action is also canceled.
  • the one rotation of the drive shaft 1 necessary for the formation of the closure does not take place continuously. There are also short breaks. A pause is necessary so that a new packing tape 14, the course of which is indicated by line 21, can be inserted into the strapping channel for the new package 13 to be strapped.
  • the drive shaft 1 starts after the signal from a switch (not shown), which signals the arrival of the start of the strap in the strapping position after the strapping channel has been completely filled by the packing strap 14.
  • the drive shaft rotates slightly, for example by 30 °, and is then stopped. During this slight rotation, the clamping device 22 is closed by the cam disk 23 located on the drive shaft.
  • the packing tape 14 thus introduced and clamped at the beginning of the tape by the clamping device 22 is applied and tensioned to the package 13 in a known manner by the return of the feed device and by the tensioning device.
  • the further rotation of the drive shaft is only started when the tensioning process is complete. This start is e.g. by a known switch (not shown) on the tensioning device, which switches off the motor of the tensioning device as a function of the tension reached in the packing tape and simultaneously switches on the motor for the drive shaft 1.
  • the drive shaft 1 now rotates about 50 ° until the next stop, as a result of which the first knife is punched by the upper knife 5.
  • a clamp is attached to the upper knife 5, which clamps and holds the packing tape 14 shortly before punching.
  • the tensioning motor is then run slightly backwards.
  • the packing tape 14 lying between the clamp on the upper knife 5 and the supply roll 15 is relaxed by any tension.
  • the subsequent punchings and the cutting off of the packing tape 14 are now carried out on a part of the packing tape which has been released from any tensile stresses.
  • the packing tape 14 is separated from the supply roll 15 by a cutter located on the upper knife 6 and the second punching of the closure is effected by the upper knife 6 and then the upper knives 5 and 6 are lifted, so that they are below the upper knife 5 and 6 lying closures by the resilient force of the packing tape 14 lying around the packing tape 14.
  • the punching is carried out with the upper knife 7. This stamping has a special known safety cone, so that the closure cannot be opened by pushing it back.
  • the clamping device 22 is first released through the cam disc and the housing is swung open at approximately 310 ° and the drive shaft 1 is held. The strapped package 13 is transported further.
  • the eccentric drive cannot hold the clamping effect for a long time.
  • the clamping force is derived from a cam plate 23 fastened on the drive shaft 1. This cam disk 23 presses directly on the clamping device 22 and holds it in the clamping position during the first approximately 240 ° of the rotation of the drive shaft.
  • the clamping device 22 is withdrawn by a spring (not shown).
  • the specified rotation angles at which the drive shaft 1 is stopped are not limited to the specified angles and can deviate considerably from these. It is only essential that all the necessary functions have been carried out in one revolution and that a new package can be strapped with the next revolution.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Package Closures (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
EP94101446A 1993-04-26 1994-02-01 Verschlusseinrichtung Expired - Lifetime EP0625464B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313641A DE4313641A1 (de) 1993-04-26 1993-04-26 Verschlußeinrichtung
DE4313641 1993-04-26

Publications (3)

Publication Number Publication Date
EP0625464A2 EP0625464A2 (de) 1994-11-23
EP0625464A3 EP0625464A3 (en) 1994-12-28
EP0625464B1 true EP0625464B1 (de) 1997-08-27

Family

ID=6486411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94101446A Expired - Lifetime EP0625464B1 (de) 1993-04-26 1994-02-01 Verschlusseinrichtung

Country Status (6)

Country Link
US (1) US5501252A (cs)
EP (1) EP0625464B1 (cs)
CA (1) CA2119944C (cs)
CZ (1) CZ288553B6 (cs)
DE (2) DE4313641A1 (cs)
ES (1) ES2064299T3 (cs)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5715873A (en) * 1996-09-09 1998-02-10 Illinois Tool Works Inc. Method and apparatus for sealess retention of push tensioned strap
US6079457A (en) * 1999-04-09 2000-06-27 Illinois Tool Works Inc. Sealless strapping tool and method therefor
RU2277500C2 (ru) * 2004-06-28 2006-06-10 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Способ соединения концов обвязочной ленты и обвязочная машина для его осуществления
DE102008019956B3 (de) * 2008-04-21 2009-07-16 Titan Umreifungstechnik Gmbh & Co. Kg Umreifungsvorrichtung und Verfahren zur Herstellung einer Umreifung
CN105667867B (zh) * 2016-01-12 2018-12-25 大连富地重工机械制造有限公司 一种免扣钢带捆扎机的分体式下刀体
CN106742176B (zh) * 2017-02-06 2023-04-25 大连富地重工机械制造有限公司 一种可交错剪切钢带的钢带打包机及钢带打包方法
EP4157728A4 (en) * 2020-05-27 2024-08-07 Golden Bear LLC BINDING TOOL
CN113815922B (zh) * 2020-06-18 2023-04-07 纬华企业股份有限公司 纸板捆包机的松弛装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB597860A (en) * 1946-01-25 1948-02-04 Seal Less Strapping Ltd Improvements in and relating to strapping packages and the like
DE7702816U1 (de) * 1978-04-13 Fromm Ag, Spreitenbach (Schweiz) Gerät zum formschlüssigen Verbinden von zwei einander überlappenden Stahlbandteilen
US2549626A (en) * 1944-02-15 1951-04-17 Mosey Frederick William Strapping machine
DE1906457U (de) * 1963-08-14 1964-12-10 Seal Less Strapping Ltd Of Ger Geraet zum verschnueren von paketen.
DE2133714C3 (de) * 1971-07-07 1974-04-11 Titan Verpackungssysteme Gmbh, 5830 Schwelm Umreifungseinheit zum Umreifen von expansiven Gütern
CH574841A5 (cs) * 1974-12-20 1976-04-30 Strapex Ag
CH595242A5 (en) * 1975-04-08 1978-02-15 Fromm Ag Strip end joining machine
US4536248A (en) * 1983-07-25 1985-08-20 Cyklop International Emil Hoffman Kg Strapping apparatus

Also Published As

Publication number Publication date
EP0625464A3 (en) 1994-12-28
DE59403836D1 (de) 1997-10-02
ES2064299T3 (es) 1997-10-16
CA2119944C (en) 2005-08-09
DE4313641A1 (de) 1994-10-27
ES2064299T1 (es) 1995-02-01
CZ100294A3 (en) 1994-12-15
CZ288553B6 (cs) 2001-07-11
EP0625464A2 (de) 1994-11-23
CA2119944A1 (en) 1994-10-27
US5501252A (en) 1996-03-26

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