EP0091578B1 - Vorrichtung zum Spannen und Verbinden der sich Überlappenden Enden eines um ein Packstück gelegten Umreifungsbandes - Google Patents

Vorrichtung zum Spannen und Verbinden der sich Überlappenden Enden eines um ein Packstück gelegten Umreifungsbandes Download PDF

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Publication number
EP0091578B1
EP0091578B1 EP19830102862 EP83102862A EP0091578B1 EP 0091578 B1 EP0091578 B1 EP 0091578B1 EP 19830102862 EP19830102862 EP 19830102862 EP 83102862 A EP83102862 A EP 83102862A EP 0091578 B1 EP0091578 B1 EP 0091578B1
Authority
EP
European Patent Office
Prior art keywords
band
housing
shaped
hook
hoop
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
Application number
EP19830102862
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0091578A2 (de
EP0091578A3 (en
Inventor
Jürgen Ing.grad. Werk
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.)
Hoesch AG
Original Assignee
Hoesch 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 Hoesch AG filed Critical Hoesch AG
Publication of EP0091578A2 publication Critical patent/EP0091578A2/de
Publication of EP0091578A3 publication Critical patent/EP0091578A3/de
Application granted granted Critical
Publication of EP0091578B1 publication Critical patent/EP0091578B1/de
Expired 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
    • B65B13/305—Hand tools

Definitions

  • the invention relates to a device for tensioning a strapping that can be pulled off a supply roll and placed around a package, and for connecting the overlapping ends of the strapping with a sleeve-free closure and for separating off the part of the strapping leading to the supply roll, which consists of a Housing with a base plate to be placed on the package, which has the lower punching tool, while the upper punching tool is arranged vertically displaceably in the housing and can be transferred downwards from its basic position into the punching position and the housing for a lateral insertion of the overlapping tape ends between the two punching tools on the top of the rigidly attached to the housing base plate has a slot-shaped receptacle, and the slot-shaped receptacle in the active position under the free edge of the base plate and the base plate when bes Appropriate use of the device to prevent downward bending and in an open position with a shaft mounted parallel to the belt longitudinal direction in the housing, hook-shaped swivel lever is assigned and the housing in
  • This spreading of the slot-shaped receptacle is avoided with the hook-shaped pivot lever, since it bridges the slot-shaped receptacle at the free leg ends and engages under the base plate with its hooks provided at the free end.
  • the operation of this device is cumbersome, however, since in order to insert the overlapping tape ends into the slot-shaped receptacle, the hook-shaped swivel lever in an open position and after inserting the overlapping tape ends into the tensioning and locking position again, in which the base plate of the device is undermined.
  • a pneumatic cylinder is provided for transferring the hook-shaped swivel lever into the open position and into the clamping and locking position, which must be controlled manually via a valve. In addition to the operations to be carried out to operate the device, the operator also has to perform special operations to operate the pneumatic cylinder.
  • the housing has to be opened towards the base plate.
  • the strapping is tensioned when the housing is open, so that the hook-shaped pivot lever cannot be used to guide the strapping laterally when tensioning.
  • the hook-shaped pivot lever is transferred into the tensioning and locking position by actuating the handle for the locking device.
  • the hook-shaped pivoting lever is thus transferred to the clamping and locking position. Only after the hook-shaped swivel lever has been completely transferred to the active position can the other one Pivotal movement of the operating handle for the closure device can be used for the closure formation.
  • the invention has for its object to further develop a device of the type described above, the hook-shaped pivot lever provided at the receiving slot being easily and simply convertible into the open position and into the clamping and locking position which engages under the base plate.
  • the hook-shaped pivoting lever which is movable transversely to the band direction is connected to the tensioning device which can be pivoted parallel to the band direction via a shaft which is rotatably mounted in the housing and which runs parallel to the longitudinal direction of the tape and has an approximately flat end on both sides thereof facing the tensioning device Rectangular cross-section, this area is helically wound by a drill and cooperates with an elongated hole adapted to the drill profile in a plate attached to the pivotable tensioning device as a backdrop, so that when the tensioning device is reset by spring, this and the pivoting lever pivoted into the tensioned and locked position will.
  • the area of the shaft provided with the flats on both sides can initially have an area without drilling at its end facing the hook-shaped pivoting lever, this part without drilling being dimensioned so long that when the tensioning device is transferred into the tape insertion position, the rotation caused by the drilling takes place Shaft and thus the hook-shaped pivoting lever occurs with a delay, while when the tensioning device is reset due to the spring, the pivoting lever is pivoted completely into the tensioning and locking position before the tensioning wheel is placed on the strapping band.
  • the hook-shaped swivel lever can rest in the hook-shaped projection engaging the base plate under the tensioning and locking position against the longitudinal edges facing it, the overlapping tape ends inserted in the slot-shaped receptacle provided on the top of the base plate as tape guides.
  • a tape guide for the overlapping tape ends is created at the same time. their other longitudinal edges lie against the bottom of the slit-shaped receptacle, so that the lateral overlap of the overlapping tape ends when inserting and when tensioning and when inserting the closure is advantageously avoided.
  • the device shown in the drawing is used to tension a strapping placed around a package, not shown, and to connect the overlapping ends of the strapping by a sleeve-less closure.
  • the closure is formed from three pairs of angular slots spaced adjacent to one another in the width direction of the metal strip, in which the central web lying between the angular slots and / or the side webs are arched out of the plane of the tape in order to reach behind the protruding corners of the side webs formed by the angular slots one end of the band behind the protruding corners of the central web of the other end of the band.
  • the device consists of a housing 14 with one on the package attachable base plate 15, which has the lower punch 16, while the upper punch 17 is arranged vertically displaceably in the housing 14.
  • the upper punching tool 17 can be transferred from the basic position shown in FIG. 1 into the punching position by means of a hand lever 18 which is pivotably mounted in the housing 14.
  • the housing 14 has a slot-shaped receptacle 20 for a lateral insertion of the overlapping tape ends between the two punching tools 16, 17 over the base plate 15. Furthermore, the housing 14 is provided in a recess 21 with a pivotably mounted clamping device 22, which is biased with a spring 19 in the direction of the base plate 15.
  • the tensioning device 22 is pivotable about the bearing pin 23 and has a tensioning wheel 25 which acts on the top of the overlapping band ends and can be rotated in the tensioning direction with a hand lever 24.
  • the hand lever 24 for the tensioning wheel 25 is shown in FIG. 2, while it has been omitted in FIG. 1 for better illustration of the parts behind it.
  • the pivoting about the bearing pin 23 tensioning device 22 is provided with a hand lever 26 with which the tensioning device 22 from the basic position shown in FIG. 1, in which the tensioning wheel 25 rests against the base plate 15, against the action of the spring 19 in the tape insertion position is transferable.
  • the tensioning wheel 25 of the tensioning device 22 is arranged at such a distance from the base plate 15 that the overlapping strap ends of the strapping strap can be inserted under the tensioning wheel 25 without difficulty.
  • the device shown in the drawing is used for tensioning a strapping that can be pulled off a storage roll (not shown) and placed around a package, and for connecting the overlapping ends of the strapping with a sleeve-shaped closure and for separating off the part of the strapping that is not shown for the strapping Supply roll of leading strapping.
  • the separating device 27 consists of a notch knife 28 and a counter plate 29 provided on the base plate 15.
  • the notch knife 28 is fastened to the slide 30 carrying the upper punch 17 and is thus pressed against the upper side of the overlapping strap ends of the strapping strap when the upper punch 17 is transferred into the punch position.
  • the notch knife 28 is arranged on the side of the upper punch 17 which faces the clamping device 22.
  • the housing for the lateral insertion of the overlapping strap ends of the strapping strap between the two punching tools 16, 17 has a slot-shaped receptacle 20 on the upper side of the base plate 15.
  • the slot-shaped receptacle 20, as can be seen in particular from FIG. 1, are assigned two hook-shaped pivot levers 31, which in the tensioned and closed position with their hook-shaped projections 32 engage under the free edge of the base plate 15 in the region of a recess 33, so that the Base plate 15 is secured against downward bending when used as intended. This absorbs the forces that arise when the device is used as intended and attempts to spread apart the slot-shaped receptacle 20. These forces are particularly great when the sleeveless closures have been introduced into high-strength packaging steel strips with the device.
  • the two hook-shaped pivot levers 31 are arranged in a rotationally fixed manner on a shaft 34 which is rotatably mounted in the housing 14 and runs parallel to the longitudinal direction of the strip.
  • the drive device of the shaft 34 is shown in more detail in FIG. 3.
  • only a hook-shaped pivot lever 31 is arranged on the shaft 34.
  • the shaft 34 having the two hook-shaped pivot levers 31 is provided at its end facing the tensioning device 22 with flats 35 on both sides with an approximately rectangular cross-section and is helically wound in this area by twisting. With this area, which is helically wound by the drilling, an elongated hole 36, adapted to the drilling profile, of a plate 37 fastened to the pivotable clamping device 22 is penetrated as a backdrop. 3, the plate 37 having the elongated hole 36 is pulled off from the region of the shaft 34 which is helically wound by the drilling.
  • the plate 37 having the elongated hole When transferring the pivotally mounted tensioning device 22 from the basic position shown in FIG. 1 into the tape insertion position and when transferring the tensioning device 22 from the tape insertion position into the tensioning and locking position, in which the tensioning wheel 25 against the top of the overlapping tape ends by the spring 19 is non-positively in contact, the plate 37 having the elongated hole performs a pivoting movement with the tensioning device 22, since it is fastened to the tensioning device 22.
  • the pivoting movement of the plate 37 having the slot 36 extends approximately in the longitudinal direction of the shaft 34, so that the longitudinal movement of the plate 37 causes a rotary movement of the shaft 34.
  • the pitch of the twist is dimensioned such that the rotational movement of the shaft 34 is approximately 90 °.
  • the part of the shaft 34 which is provided with no twist and is provided with the flats 35 on both sides is dimensioned so long that the rotation of the shaft 34 only occurs when at least the tensioning and locking position of the tensioning device 22 lying between the basic position and the tape insertion position when pivoting the Tensioning device 22 is reached from the basic position into the tape insertion position. This is necessary so that when the tensioning device 22 is returned from the tape insertion position into the tensioning and locking position, the two hook-shaped pivot levers 31 have already been pivoted back completely from their open position into their tensioning and locking position.
  • one hook-shaped swivel lever 31 is provided in the longitudinal direction of the tape directly in front of the punching tools 16, 17 and the other hook-shaped swivel lever 31 is provided directly behind the punching tools 16, 17.
  • bending of the base plate 15 in the longitudinal direction of the strapping is also avoided in a simple manner.
  • the two hook-shaped pivot levers 31 lie in the tensioning and locking position against the longitudinal edges of the overlapping strap ends lying behind the overlapping strap ends when the overlapping strap ends of the strapping strap are inserted into the slot-shaped receptacle provided on the top of the base plate 15. As a result, the overlapping strap ends cannot slip laterally when the strapping is tightened and when the sleeveless closures are inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP19830102862 1982-04-10 1983-03-23 Vorrichtung zum Spannen und Verbinden der sich Überlappenden Enden eines um ein Packstück gelegten Umreifungsbandes Expired EP0091578B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823213450 DE3213450A1 (de) 1982-04-10 1982-04-10 Vorrichtung zum spannen und verbinden der sich ueberlappenden enden eines um ein packstueck gelegten umreifungsbandes
DE3213450 1982-04-10

Publications (3)

Publication Number Publication Date
EP0091578A2 EP0091578A2 (de) 1983-10-19
EP0091578A3 EP0091578A3 (en) 1986-12-17
EP0091578B1 true EP0091578B1 (de) 1988-09-21

Family

ID=6160741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830102862 Expired EP0091578B1 (de) 1982-04-10 1983-03-23 Vorrichtung zum Spannen und Verbinden der sich Überlappenden Enden eines um ein Packstück gelegten Umreifungsbandes

Country Status (2)

Country Link
EP (1) EP0091578B1 (enrdf_load_stackoverflow)
DE (1) DE3213450A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117536A (en) * 1991-04-22 1992-06-02 Signode Corporation Binding strap with integral connecting structure and anti-disengagement feature
US5392821A (en) * 1993-10-08 1995-02-28 Signode Corporation Strapping tool with mechanism for admitting, retaining, and releasing steel strap
US5526852A (en) * 1994-06-13 1996-06-18 Rakovski; Zvonko Punching and stamping tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7702816U1 (de) * 1978-04-13 Fromm Ag, Spreitenbach (Schweiz) Gerät zum formschlüssigen Verbinden von zwei einander überlappenden Stahlbandteilen
US1482247A (en) * 1921-12-01 1924-01-29 Twisted Wire And Steel Company Combination stretching and sealing machine
US2336264A (en) * 1941-06-06 1943-12-07 Signode Steel Strapping Co Package binding tool
CH378223A (de) * 1960-05-02 1964-05-31 Fromm Gmbh A Spann- und Schliessvorrichtung für Bandreifen
DE2133714C3 (de) * 1971-07-07 1974-04-11 Titan Verpackungssysteme Gmbh, 5830 Schwelm Umreifungseinheit zum Umreifen von expansiven Gütern
CH627139A5 (en) * 1978-02-14 1981-12-31 Fromm Ag Apparatus for connecting two mutually overlapping band parts

Also Published As

Publication number Publication date
EP0091578A2 (de) 1983-10-19
EP0091578A3 (en) 1986-12-17
DE3213450C2 (enrdf_load_stackoverflow) 1987-07-23
DE3213450A1 (de) 1983-10-20

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