EP0819604A1 - Châssis de guidage de bande pour une machine de cerclage - Google Patents

Châssis de guidage de bande pour une machine de cerclage Download PDF

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Publication number
EP0819604A1
EP0819604A1 EP97110999A EP97110999A EP0819604A1 EP 0819604 A1 EP0819604 A1 EP 0819604A1 EP 97110999 A EP97110999 A EP 97110999A EP 97110999 A EP97110999 A EP 97110999A EP 0819604 A1 EP0819604 A1 EP 0819604A1
Authority
EP
European Patent Office
Prior art keywords
guide frame
belt guide
frame according
frame base
leg
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
EP97110999A
Other languages
German (de)
English (en)
Other versions
EP0819604B1 (fr
Inventor
Horst Schwede
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.)
SMB Schwede Maschinenbau GmbH
Original Assignee
SMB Schwede Maschinenbau 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 SMB Schwede Maschinenbau GmbH filed Critical SMB Schwede Maschinenbau GmbH
Publication of EP0819604A1 publication Critical patent/EP0819604A1/fr
Application granted granted Critical
Publication of EP0819604B1 publication Critical patent/EP0819604B1/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
    • B65B13/02—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

Definitions

  • the invention relates to a strap guide frame for a strapping machine with the features specified in the preamble of claim 1.
  • Such tape guide frames are an integral part of one Strapping machine, which ensures that the strapping as loose Loop around the packaged goods positioned in the frame opening becomes. Through the circumferential belt channel on the belt guide frame the belt usually transported by a shooting device clean guided.
  • the invention is based on a "passive" - ie not motor controlled - coverage of the band channel as the closest state of the Technology off.
  • the guide rail attached to the frame base there is the band channel with a movable cover, which is made up of a variety of rotating directions of the volume lined up, overlapping each other Slats is composed.
  • the slats are so resilient the frame base stored so that when you tighten the strapping be acted upon by this and thereby become practically automatic Lift the opening of the band channel from the frame base.
  • the spring bearing of these slats is relatively narrow and in extreme cases coil springs formed on block which are perpendicular from the frame base are mounted protruding.
  • the base of the respective coil spring sits e.g. on a pin attached to the frame base.
  • the head of the coil spring is screwed to the lamella. Per slat at least two such coil springs must be provided.
  • the object of the invention to simplify the design of the spring support of the slats, without impairing their perfect opening and closing behavior.
  • the spring support of the slats each used a rubber-elastic spring plate, which on a assigned, seated on the frame base and mounted on which the slat is suspended from.
  • each spring plate for the present application a favorable spring behavior, because there is a relatively high degree of rigidity in the plate plane, while transverse a very elastic deflection behavior is achieved at the plate level. This means that the lifting of the slats and the associated deflection movement the spring plate in the transverse direction relative to its main plane easily proceed while the slats are overlapping in their mutually Assembly positions are kept clean.
  • Fig. 1 shows the tape guide frame 1 as part of a not shown Strapping machine, which is usually on the work table of the Machine is built.
  • the frame 1 forms an opening 2 in which the Packaged goods P to be strapped are inserted using a transport device and transported out of it again after the strapping process becomes.
  • the tape guide frame 1 has one of corresponding plate elements 3, 4, 5 composite frame base 6, which in Fig. 1 only is shown schematically. Furthermore, a circumferential is on the tape guide frame 1 Strap channel 7 for guiding a strapping strap 8 (see 2 to 5) are provided around a packaged product P.
  • the band channel 7 leads from a welding head 9 shown schematically in Fig. 1 below the Opening 2 around the legs of the tape guide frame 1 around back to the welding head 9.
  • the band channel 7 is on the outside limited by a guide rail 10 attached to the frame base 6, on the respective plate elements 3, 4 and 5 by appropriate Bracket 11 (Fig. 4) is attached so that a circumferential Guide surface 12 for the strapping 8 is formed. At this guide surface 12 runs along the shooting strapping 8.
  • the band channel 7 is moved inwards towards the packaged product P by a movable one Cover 13 bounded by a variety of circumferential U lined-up slats 14 is composed.
  • each lamella 14 is an angled plate with a bearing leg running essentially parallel to the frame base 6 15 and a wall leg 16 formed with the bearing leg 15 an obtuse angle W slightly exceeding 90 ° forms.
  • the wall leg 16 has a bevel at its free end 17 with which it rests on the frame base 6.
  • each lamella 14 overlaps with the subsequent lamella 14, the lamella following in the direction of rotation U. 14 is placed outside on the preceding lamella 14.
  • the band channel 7 is particularly clear, as shown in FIG. 4 is approximately trapezoidal in cross-section, with the outside - As discussed - by the guide surface 12 of the guide rail 10, after inside through the wall leg 16 of the lamella 14 and in the area of it both narrow sides through the corresponding areas of the frame base 6 or the bearing leg 15 is limited to that shown in FIG. 4 closed state of the band channel 7 rests on the guide rail 10.
  • Each slat 14 is by means of a spring plate 18 via a carrier 19th so resiliently mounted on the frame base 6 that they pull when tightening of the strapping around the packaged goods P for the automatic opening of the Band channel 7 can be lifted from the frame base 6.
  • Each spring plate 18 is elongated rectangular in shape and made of a rubber-elastic material, such as. Polyurethane rubber formed.
  • the carrier 19 is in each case formed as a cross-sectionally U-shaped profile part, which with its a leg 20 on the frame base 6 by corresponding rivets 21 is attached.
  • On the inside 22 of the frame base 6 pointing second leg 23 is the upper base 24 of the spring plate 18 and is fastened there with two corresponding rivets 25.
  • the spring plate 18 stands with its width beyond the leg 23 and carries on lower base 26, the respective lamella 14, which has two more Rivets 27 are attached to the spring plate 18.
  • the length of the carrier 19 and the spring plate 18 is approximately that Half of the length of the lamella 14.
  • the support 19 and the lamella 14 are also parallel to one another on the longitudinal side regions facing away from one another 28, 29 of the spring plate 18 attached.
  • the carrier 19 ' is a plastic injection molded part, which in turn is U-shaped in cross section and with one leg 20 'is attached to the frame base 6.
  • the second Leg 23 ' does not run parallel to the lower leg 20', but from the base 30 starting obliquely upwards and is through an intermediate web 31 stably supported.
  • the carrier 19' At the free end of the upper leg 23 'is in a Groove 32 in turn inserted the spring plate 18 ', the carrier 19' itself extends at least over the length of this spring plate 18 '. So that's the leg-side long side region 28 'of the spring plate 18' over its entire length Length of the groove 32 includes.
  • the Lamella 14 '' fastened by a clip connection 33 On the opposite longitudinal side area 29 'of the spring plate 18' is the Lamella 14 '' fastened by a clip connection 33.
  • the slat 14 '' according to FIG. 6 not an angled plate, but an easy to produce one Plastic injection molded part.
  • This injection molded part is analogous to the fins 14 as an angle piece with a bearing leg 15 'and a wall leg 16' educated. In this respect there is no difference in the basic structure to the Slats 14 of the first embodiment. This is manufacturing technology Injection molded part, however, much easier and cheaper.
  • the guide rail 10 ' can also be seen, which as a continuous Metal band is formed and held by the carriers 19 '. Point to this the latter molded on boom 34, between which and the frame base 6 the practically continuous guide rails 10 'is clamped.
  • the slats 14 '' are again supported on the upper edge of the guide rail 10 '.
  • Slats 14 ′′ can be a belt channel in a modular manner on the frame base 6 7 can be realized by a plurality of such supports 19 'with lamellae 14 '' strung together with the course shown in FIG. 1 and then the continuous guide rail 10 'between the arms 34 and the frame base 6 are introduced.
  • the beams 19 In the curve areas of the Band channel 7, the beams 19 'describe a polygonal curve, the guide rail 10 'evenly curved the course of the bend adapts and only via a line contact at the respective base 30 the support 19 'supports, as shown in Fig. 6.
  • the carrier 19 is simple in terms of production technology a locking lug 35 in a corresponding opening 36 of the frame base 6 fixed.
  • the carrier 19 ', the spring plate 18' and the lamella 14 '' are shown as separate components.
  • the spring plate 18 ' as a pre-molded component in an injection mold to insert and at the same time to spray the carrier 19 'and the lamella 14' 'thereon.
  • Carrier 19 'and lamella 14' 'made of a dimensionally stable material be sprayed together in one operation.
  • FIG. 7 to 9 is another embodiment for a plastic injection molded part executed lamella 14 '' 'shown.
  • This is essentially again as an angle part with a bearing leg 15 '' and a Wall leg 16 '' designed.
  • On the bearing leg 15 '' are in the area of the two longitudinal ends of flanges 37 with opposite one another Axle stub 38 projecting in one piece, the part a hinge joint to be explained in more detail for additional articulation of the slats 14 '' 'on the carriers.
  • the fins 14 '' ' are further in the area of their inlet-side overlap area 39, in the the outlet-side end of the previous slat scaly under the subsequent lamella engages both in the area of the bearing leg 15 '' as well as the wall leg 16 '' with an offset 40 to the outside. This allows the successive slats 14 '' 'to be clean overlap and on the inside as smooth a band channel as possible 7 form.
  • the carrier 19 '' is one essentially box-shaped plastic injection molded part, which in turn is fixed via latches 35 in openings 36 of the frame base 6.
  • the Carrier 19 ′′ has an upstanding holding body in its interior 41 42, at its upper end an inclined groove 32 'for receiving of the corresponding longitudinal side region 28 'of the spring plate 18' ' is.
  • Their other long side region 29 ' is in turn more suitable Specified in the bearing leg 15 '' of the lamella 14 '' '.
  • the narrow side walls 43 of the carrier 19 ′′ have recesses 44 at the upper end into which the stub axles 38 on the lamellae 14 intervene to form a hinge joint.
  • the slats 14 ''' are thus pivoted about the axis S on the support 19'', the pivot axis S being - as can be seen in FIG. 10 - in the region of the plane of the spring plate 18''.
  • the curvature of the spring plate 18 ′′ which can also be seen in this figure, prestresses the lamella 14 ′′ ′′ in the closed position shown.
  • the length of the carrier 19 ′′ essentially corresponds to that of the lamella 14 ′′ ′′. Furthermore, the inner wall 45 facing the band channel 7 simultaneously forms the boundary for this band channel. Carriers 19 ′′, which are placed against one another without gaps, thus form with their inner walls 45 as guide legs together the guide rail 10 of the belt guide frame. In order to also be able to realize a curved band channel course in this way, the supports 19 ′′ on their inner walls 45 each have nose-like projections 46 on one side and receptacles 47 corresponding to the shape on the other side.
  • Carriers 19 ′′ are thus strung together to implement a band channel course, the nose-like projection 46 of a carrier 19 engages in the corresponding receptacle 47 of the previous carrier. Since nose-like projection 46 and receptacle 47 form a kind of elongated socket joint, two successive supports 19 ′′ can be arranged at an angle that deviates from the extension. Due to a slightly recessed course of the inner wall 45 in the region of the receptacle 47, it is ensured that there is no obstacle in the way of the leading end of the strapping 8.
  • FIG. 13 shows a schematic side view of a further embodiment of the carrier / spring plate / lamella unit.
  • a lamella 14 '''designed as a plastic injection-molded part is used, in which the hinge joint, indicated schematically by 48, with its pivot axis S is not in the plane of the spring plate 18 , but is arranged at a clear distance below it.
  • the latter is in turn fixed with its slat-side long side region 29 ′′ in a groove 32 ′′ in the slat 14 ′′.
  • the other longitudinal side region 28 ′′ is only supported on a corresponding slope 49 of the carrier 19 ′′ ′′.
  • the bending of the spring plate 18 '''in causes a preload on the lamella 14'''.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Frames And Binding Bands (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP97110999A 1996-07-19 1997-07-02 Châssis de guidage de bande pour une machine de cerclage Expired - Lifetime EP0819604B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29612531U DE29612531U1 (de) 1996-07-19 1996-07-19 Bandführungsrahmen für eine Umreifungsmaschine
DE9612531U 1996-07-19
DE29612531U 1996-07-19

Publications (2)

Publication Number Publication Date
EP0819604A1 true EP0819604A1 (fr) 1998-01-21
EP0819604B1 EP0819604B1 (fr) 2002-09-25

Family

ID=8026692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97110999A Expired - Lifetime EP0819604B1 (fr) 1996-07-19 1997-07-02 Châssis de guidage de bande pour une machine de cerclage

Country Status (3)

Country Link
US (1) US5778772A (fr)
EP (1) EP0819604B1 (fr)
DE (2) DE29612531U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008121887A1 (fr) * 2007-03-30 2008-10-09 Enterprises International, Inc. Ensemble de glissière de cerclage et procédé d'utilisation de celui-ci

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6415712B1 (en) 1999-12-02 2002-07-09 Enterprises International, Inc. Track mechansim for guiding flexible straps around bundles of objects
US6968779B2 (en) 2000-03-15 2005-11-29 Enterprises International, Inc. Apparatus and methods for wire-tying bundles of objects
US6584891B1 (en) * 2000-03-15 2003-07-01 Enterprises International, Inc. Apparatus and methods for wire-tying bundles of objects
US7124679B2 (en) * 2004-08-25 2006-10-24 L&P Property Management Company Lower guide track for down packing press apparatus and method
US7093535B2 (en) * 2004-08-25 2006-08-22 L&P Property Management Company Short platen compatible guide track insertion and removal apparatus and method
US10028447B2 (en) 2013-03-15 2018-07-24 Cnh Industrial America Llc Strapping system for agricultural implement
WO2015153300A1 (fr) 2014-03-31 2015-10-08 Cnh Industrial America Llc Système de cerclage pour équipement agricole
DE102014213791A1 (de) 2014-07-16 2016-01-21 Krones Aktiengesellschaft Vorrichtung und Verfahren zur Herstellung von Umreifungsgebinden
DE102020105350B3 (de) * 2020-02-28 2021-01-14 Signode Industrial Group Llc Bandkanal mit schuppenartigen Klappen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118368A (en) * 1964-01-21 Strap chute
FR1592698A (fr) * 1967-11-22 1970-05-19
EP0223988A1 (fr) * 1985-11-06 1987-06-03 Strapex AG Dispositif de cerclage d'un objet avec une bande
US5414980A (en) * 1992-11-05 1995-05-16 Strapack Corporation Packing apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE223988C (fr) *
US3070001A (en) * 1958-07-14 1962-12-25 Acme Steel Co Binder strap guide track
DE1880680U (de) * 1959-04-25 1963-10-10 Hugo Timmerbeil Umreifungsvorrichtung fuer packstuecke mit einer maschinell angetriebenen verschlussvorrichtung.
CH384450A (de) * 1960-12-01 1964-11-15 Girsberger Emil Maschine zum Binden von Bündeln oder Paketen mit einem schweissbaren Band
US3179037A (en) * 1961-11-27 1965-04-20 Warrenton Marine Services Inc Preformed loop type binding machine
US3279354A (en) * 1965-03-17 1966-10-18 Fmc Corp Strap feeding apparatus
FR2133078A5 (en) * 1971-04-07 1972-11-24 Brenneisen Package banding guiding device - includes flexible strips of rubber or plastics
US4781110A (en) * 1986-03-13 1988-11-01 Strapack Corporation Band guiding arch for strapping machine
US4867053A (en) * 1988-02-17 1989-09-19 Strapack Corporation Strapping band guide unit in full automatic strapping machine
JPH0329718A (ja) * 1989-06-23 1991-02-07 Meiwa Kk 梱包機の案内枠
JPH04253607A (ja) * 1991-01-25 1992-09-09 Meiwa Kk 梱包機の案内枠

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3118368A (en) * 1964-01-21 Strap chute
FR1592698A (fr) * 1967-11-22 1970-05-19
EP0223988A1 (fr) * 1985-11-06 1987-06-03 Strapex AG Dispositif de cerclage d'un objet avec une bande
US5414980A (en) * 1992-11-05 1995-05-16 Strapack Corporation Packing apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008121887A1 (fr) * 2007-03-30 2008-10-09 Enterprises International, Inc. Ensemble de glissière de cerclage et procédé d'utilisation de celui-ci

Also Published As

Publication number Publication date
EP0819604B1 (fr) 2002-09-25
DE29612531U1 (de) 1996-09-12
US5778772A (en) 1998-07-14
DE59708305D1 (de) 2002-10-31

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