EP0596303B1 - Maschine zum Umreifen von Packstücken - Google Patents

Maschine zum Umreifen von Packstücken Download PDF

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Publication number
EP0596303B1
EP0596303B1 EP93116739A EP93116739A EP0596303B1 EP 0596303 B1 EP0596303 B1 EP 0596303B1 EP 93116739 A EP93116739 A EP 93116739A EP 93116739 A EP93116739 A EP 93116739A EP 0596303 B1 EP0596303 B1 EP 0596303B1
Authority
EP
European Patent Office
Prior art keywords
strapping
frame
half frames
frames
pivot
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
EP93116739A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0596303A1 (de
Inventor
Karl Schurig
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 Packaging Systems GmbH
Original Assignee
Signode Bernpak 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 Signode Bernpak GmbH filed Critical Signode Bernpak GmbH
Publication of EP0596303A1 publication Critical patent/EP0596303A1/de
Application granted granted Critical
Publication of EP0596303B1 publication Critical patent/EP0596303B1/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
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • 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
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B65B13/06—Stationary ducts or channels
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/04—Machines constructed with readily-detachable units or assemblies, e.g. to facilitate maintenance

Definitions

  • the invention relates to a machine for strapping packages according to the preamble of claim 1.
  • Most strap strapping machines have a substantially rectangular, partially circumferential frame with a strap guide channel - e.g. B. according to DE 36 27 00 C2.
  • the ends of the frame in the area below or inwards of the package support level connect to a belt guide on the machine frame side, which also includes the tape closure unit, and complement this to form a ring encircling the package.
  • the package to be strapped must therefore be transported across the strapping plane defined by the frame.
  • the frame consists of two gallows-like half frames, each approximately L- to C-shaped.
  • the half-frames are first turned in opposite directions by one perpendicular to the other Package support plane pivoting axis pivoted by about 90 ° and then sunk inward of the package support plane behind or below this. If a package is positioned for strapping on the package support level, the half-frames are built up in a reversed sequence of movements to a functional frame, i.e. first brought out of the rest position with a translation movement over the package support level and then about the respective longitudinal axis of these translation movements into their frame-forming end position pivoted in which the strapping can take place.
  • the invention is therefore based on the object of designing a machine of the type specified in the preamble of claim 1 with respect to the structure and dismantling of the frame in such a way that this does not noticeably impair the package or its delivery or removal, that is to say the machine is driven with rapid cycle sequences can.
  • the invention solves this problem primarily and essentially by the features specified in the characterizing part of claim 1.
  • the half frames are not pivoted over a - large - angular path before they are sunk or after they have been brought forward. Instead, the opening movement with the lowering movement of the half frames on the one hand and the forward movement with the closing movement of the half frames take place at the same time with an upstream, downstream or temporally overlaid, short-stroke transverse displacement, whereby the half frames remain parallel to the strapping plane.
  • the half frames are arranged so as to be pivotable about axes extending essentially transversely to the strapping plane, the longitudinal direction of which is the direction of the transverse displacement define the half frame. It is thereby achieved that the half frames of the machine according to the invention open or close in a plane coinciding with or parallel to the strapping plane, and that these processes can be completely superimposed over time.
  • the half-frames can - by swiveling in this level - open or close while they are being sunk or brought forward and are already on the package support level or a package that they can move sideways unhindered.
  • each half frame has an essentially partially oval shape in the manner of a parabolic load, the parabola vertex lies in the parting plane of the half frame and, if appropriate, the swivel arms attack the ends of the half frame remote from the parabola.
  • Half-frames designed and articulated in this way require a particularly small amount of space for their movement sequences.
  • a strapping machine designated overall by 10, in particular a strap strapping machine for weldable plastic strap, supports a drum 12 with a supply of strapping material on its machine frame 11.
  • the strapping means 13 is fed to a strapping means storage 14 via friction-driven or otherwise positively coupled storage filling rollers 15, which holds a quantity of strapping means required for at least one strapping operation. From there it is the strapping means 13 are fed via a pair of take-off rollers 16, a strapping means tensioner 17 and via a pair of entry rollers 18 to a strap closure unit 19 which is located inside the machine below a package support level 20.
  • a frame designated overall by 22 is required, through the band guide of which it contains the strapping means can be placed around the package, in such a way that the from the strapping stock 12 through the closure assembly 19, the strapping assembly 13 runs through the frame 22 and is inserted with its front end back into the closure assembly 19, which connects the two overlapping strapping ends in it, in particular thermally welded to one another.
  • This basic construction which has been explained so far, is standard for strap strapping machines.
  • a frame 22 composed of two partial or half frames 23 and 24 is also known. Such a segmentation of the frame 22 has the sense of building up the frame 22 required for strapping outside or above the package support level 20, its half frames 23, 24 according to one However, to lower the strapping process under or behind the package support level 20.
  • the half-frames 23 and 24 are each opened or closed in the strapping plane denoted by 25 in FIG. 2 or a plane parallel to it by means of a pivoting movement described below in detail and meanwhile, that is to say simultaneously, sunk into or out of the position shown in broken lines moved out over the package support level 20, over which they form the frame 22 in the closed state (solid lines).
  • this design of the half-frames 23 and 24 allows them to be positioned in a very space-saving manner in the rest position by means of a pivoting movement about an axis perpendicular to the plane of the drawing, without the half-frames overlapping there (at 28) .
  • Each half frame 23, 24 is fixedly attached to a swivel arm 29 and 30 at its inner end.
  • the pivot arm 29 is arranged to be movable about a pivot axis 31 and the pivot arm 30 about a pivot axis designated 32.
  • Both pivot axes 31 and 32 lie below the package support level 20 and in each case outside of the half frame in question opposite second half frame. This results in very large swivel radii for the two half-frames 23 and 24.
  • These large radii, in conjunction with the parabolic load shape of each half-frame 23, 24, mean that they can be opened as well as sunk or brought forward and closed without sideways - with respect 3 and 5 to the right or left - to emigrate.
  • a schematically indicated motor 33 serves as the drive for the half-frames 23 and 24, and a crank arm 35 is fixedly connected to the motor shaft 34 thereof, and a push rod 37 engages at the free end at 36. At its other end, this push rod 37 is connected at 38 to a rocker mechanism 39, whose rocker arm 41, which is mounted at 40, articulates on push rods 42, 43 which, via connecting levers 44, 45, pivot the pivoting movement onto the pivot arms 29 and 30 about the pivot axes 31 and 32 broadcast around. With 50 a on the rocker arm 41 of the rocker mechanism 39 acting tension spring is designated, the other end is held machine-fast and which has the purpose of loading the two half-frames 23 and 24 in the frame-forming end position according to FIG. 3 in the closing direction.
  • the spring 50 Since the spring 50 is increasingly tensioned during the opening of the half frames 23 and 24 (cf. in particular FIG. 5), it additionally serves as an energy store and supports the pre-fetching and closing of the half frames 23 and 24 from the rest position in FIG 3 required driving forces.
  • the half-frame drive with the aid of the arrangement described via the motor 33 with crank arm 35 has the effect that, according to the oscillation of the crank arm 35, the half arms 23 and 24 receive accelerations and decelerations corresponding to the curve shape of a sinus curve with the advantage that they are slowly brought forward from the rest position, then be partially closed very quickly, while the movements in the final phase shortly before the frame closure of the half-frames 23 and 24 are again carried out at a low speed and therefore very gently.
  • machine parts such as the roller system 16 and also the strapping means 13 are arranged in this movement path, in particular of the half frame 23 are, at least this subframe 23 still requires a displacement movement transversely to the strapping plane in order to be able to be positioned next to these machine-side units in the rest position.
  • the invention provides for the pivot axes 31 and 32 to be designed as push rods which are displaceably mounted in slide bearings 51, the crank arm 47 of a second electric motor 48 acting on a cross member 46 connecting them.
  • the two half-frames 23 and 24 are thus also jointly offset transversely, namely - as illustrated in FIG. 6 - by the distance 49 of approximately 50 mm in practice.
  • This transverse movement takes place towards the end of the forward and Closing movement of the half frames 23 and 24 as in the opposite direction in the initial movement phase when opening and lowering.
  • a temporal overlap has proven to be speed-promoting and favorable, in which the lowering movement is initiated after executing half the stroke of the section 49 and accordingly the second half of the return stroke into the strapping position takes place in the last pre-opening and closing phase of the half-frames 23 and 24.
  • each swivel arm 29 is L-shaped with different long base legs 29a and 30a, so that the swivel arm sections running parallel to the strapping plane 25 are offset from one another.
  • the machine is also ideal for so-called ring strapping.
  • ring strapping are strapping of ring-shaped packages, such as cable coils or the like, the strapping means having to be looped through the open ring core.
  • ring core is brought into a position (approximately to the left above the reference number 19 or somewhat to the right of the reference number 13 in FIG. 1), which depends on the movement path of one of the two half frames 23 or 24 can be penetrated. If the subframe in question is prefetched is, so it penetrates the ring core, so that the ring can be strapped easily. When the half frame is lowered again, it automatically releases the strapped ring so that it can be strapped again in a rotated position or removed from the machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP93116739A 1992-11-06 1993-10-16 Maschine zum Umreifen von Packstücken Expired - Lifetime EP0596303B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4237437 1992-11-06
DE4237437A DE4237437A1 (de) 1992-11-06 1992-11-06 Maschine zum Umreifen von Packstücken

Publications (2)

Publication Number Publication Date
EP0596303A1 EP0596303A1 (de) 1994-05-11
EP0596303B1 true EP0596303B1 (de) 1996-08-28

Family

ID=6472216

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116739A Expired - Lifetime EP0596303B1 (de) 1992-11-06 1993-10-16 Maschine zum Umreifen von Packstücken

Country Status (7)

Country Link
EP (1) EP0596303B1 (zh)
JP (1) JP2548081B2 (zh)
KR (1) KR970004743B1 (zh)
AU (1) AU654630B2 (zh)
DE (2) DE4237437A1 (zh)
NZ (1) NZ250129A (zh)
TW (1) TW248549B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6786026B2 (en) 2001-03-22 2004-09-07 Maschinenfabrik Gerd Mosca Ag Strapping machine having divisible tape guide frame

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19652078A1 (de) 1996-12-14 1998-06-18 Signode Bernpak Gmbh Vorrichtung zum Umreifen von Packstücken
DE10103409B4 (de) * 2001-01-26 2004-11-18 Schneider & Ozga Vorrichtung zum Längsumreifen eines Gegenstandes
KR100466589B1 (ko) 2002-02-18 2005-01-24 한국전자통신연구원 디지털 심볼 동기 장치 및 그 방법
EP1535143A4 (en) 2002-06-19 2010-05-05 Brooks Automation Inc AUTOMATED MATERIAL HANDLING SYSTEM FOR SEMICONDUCTOR MANUFACTURING BASED ON A COMBINATION OF VERTICAL CAROUSELS AND OVERHEAD HOISTS
SE1000661A1 (sv) * 2010-06-20 2011-12-21 Mowi Teknik Ab Förfarande och anordning för tillförsel av tråd till en bindningsmaskin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE470138C (de) * 1926-10-12 1929-01-09 Wilhelm Wanger Vorrichtung zum Buendeln von Walzstaeben
FR1553076A (zh) * 1967-11-29 1969-01-10
DD104055A1 (zh) * 1973-03-29 1974-02-20
US4270445A (en) * 1979-07-06 1981-06-02 Potomac Applied Mechanics, Inc. Apparatus for bundling and banding a stack of objects
DE3627800C3 (de) * 1986-08-16 1995-10-12 Signode Bernpak Gmbh Führungseinrichtungen für das Band einer Band-Umreifungsmaschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6786026B2 (en) 2001-03-22 2004-09-07 Maschinenfabrik Gerd Mosca Ag Strapping machine having divisible tape guide frame

Also Published As

Publication number Publication date
EP0596303A1 (de) 1994-05-11
KR940011294A (ko) 1994-06-20
KR970004743B1 (ko) 1997-04-03
AU4887793A (en) 1994-05-19
TW248549B (zh) 1995-06-01
DE59303563D1 (de) 1996-10-02
NZ250129A (en) 1995-04-27
DE4237437A1 (de) 1994-05-11
AU654630B2 (en) 1994-11-10
JPH0776308A (ja) 1995-03-20
JP2548081B2 (ja) 1996-10-30

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