EP0778236B1 - Appareil pour plier des boucles de bandes en zig-zag - Google Patents

Appareil pour plier des boucles de bandes en zig-zag Download PDF

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Publication number
EP0778236B1
EP0778236B1 EP96118247A EP96118247A EP0778236B1 EP 0778236 B1 EP0778236 B1 EP 0778236B1 EP 96118247 A EP96118247 A EP 96118247A EP 96118247 A EP96118247 A EP 96118247A EP 0778236 B1 EP0778236 B1 EP 0778236B1
Authority
EP
European Patent Office
Prior art keywords
pressure
pressure bar
recesses
tape
bar
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
EP96118247A
Other languages
German (de)
English (en)
Other versions
EP0778236A1 (fr
Inventor
Hans Affüper
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.)
JAKOB MUELLER DEUTSCHLAND GMBH
Original Assignee
Jakob Mueller Deutschland 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 Jakob Mueller Deutschland GmbH filed Critical Jakob Mueller Deutschland GmbH
Publication of EP0778236A1 publication Critical patent/EP0778236A1/fr
Application granted granted Critical
Publication of EP0778236B1 publication Critical patent/EP0778236B1/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/02—Folding limp material without application of pressure to define or form crease lines
    • B65H45/06—Folding webs
    • B65H45/10—Folding webs transversely
    • B65H45/101—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile
    • B65H45/103—Folding webs transversely in combination with laying, i.e. forming a zig-zag pile by a carriage which reciprocates above the laying station
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/112—Section geometry
    • B65H2701/1123—Folded article or web
    • B65H2701/11231—Fan-folded material or zig-zag or leporello

Definitions

  • the present invention relates to a device for Folding a flexible, continuously fed strip material, in particular an elastic textile band, in Zigzag loops, with a reciprocating laying carriage, the two with axes parallel to each other side by side arranged, rotating in the same direction Has laying rolls, between which the tape material from from a feed side and through to the tape feed direction vertical reciprocation of the laying carriage folded and in a direction corresponding to the feed direction
  • the discharge direction is moved on, as well as with braking means to act on the longitudinal edges of the strip material with a pressure force in the folding area, being as Brake fluid in the area of the laying rollers on the belt exit side a pressure bar is arranged, the length of which is at least equal to the range of movement of the laying carriage, and which runs parallel to it.
  • Such a device is from DE 31 14 395 C2 and also known from parallel EP 0 062 753 B1.
  • This known device has also been used in practice already proven very well because it is due to the intended Braking means also with elastic band material the constancy of the length of the zigzag loops evenly good laying quality guaranteed.
  • the problem may occur that the zigzag loop just laid moved back against the feed direction and then possibly between the pressure bar and the laying carriage devours.
  • the present invention is therefore based on the object starting from the known generic device to improve them in such a way that even with problematic, elastic tape material the continuity of the workflow is increased, i.e. downtimes caused by faults the device can be avoided.
  • the pressure surface is thus in the longitudinal direction the pressure bar interrupted in some areas, that the pressure applied in the transverse direction and as a result, strip material that is slightly curved in the transverse direction with its longitudinal edge in areas in the recesses bulges in and thereby from the retaining edges is "held". This will cause a return movement of the just placed tape loop towards the feed side effectively avoided.
  • the invention is based on the knowledge that particularly in the case of elastic band material from the one already laid "Loop package" a fairly large, against the laying direction acting back force can be generated, which then each can push back the last loop. By however, the invention will now be the most recent Loop through the retaining edges safely against one high back force. This can advantageously processing even with problematic strip materials with high working speeds of up to 100 to 120 m / min.
  • these are in particular essentially straight retaining edges on an imaginary connecting line, which in turn is about the location and the course corresponds to the last zigzag loop placed.
  • the laying is straight put the loop immediately in the area where the Retaining edges are arranged so that each loop immediately held or fixed by the retaining edges becomes.
  • the pressure bar itself preferably consists of a mechanically simple and quickly editable material, such as especially hard paper or the like (better known under the trademark "Pertinax").
  • a mechanically simple and quickly editable material such as especially hard paper or the like (better known under the trademark "Pertinax”).
  • the retaining edges are part of each of releasably connected in particular to the pressure bar Insert elements, which then consist of a hard, wear resistant material such as steel can.
  • this configuration is particularly special Advantage as especially at high working speeds a not negligible friction from the strip material is exerted on the pressure bar. Through the steel insert elements becomes a major improvement reached in terms of the life of the device.
  • a device 1 according to the invention serves to be flexible, in particular elastically stretchable band material 2 in packs lying one behind the other Fold zigzag loops 2a.
  • the folded tape material 2 or its loops 2a has then straight, parallel sections as well as lateral 180 ° turns 2b.
  • 2 and 3 are the zigzag loops 2a for reasons of better clarity shown somewhat apart; in the In practice, however, they lie close together.
  • This tape material folded in this way is then used in the textile industry further processed; it allows easy pulling in Towards any processing machine.
  • so folded tape materials kept much more compact and be sent as, for example, with coils it is possible.
  • the device 1 according to the invention is relative in FIG. 1 detailed, but only the essential components for the present invention are explained. Regarding the rest, not explained here Design features are at this point in in full on the publications already mentioned at the beginning DE 31 14 395 C2 and EP 0 062 753 B1.
  • the device 1 has a support plate 4 for the band material to be folded 2 or for the folded Zigzag loops 2a.
  • a laying carriage 6 perpendicular to the tape feed direction X arranged back and forth, see arrows Y in Fig. 2 and 3.
  • the laying carriage 6 has two laying rollers 7 and 8, which are mounted side by side rotatable about two parallel axes are. The axes of rotation of the laying rollers 7, 8 run vertically to the direction of displacement Y of the laying carriage 6 and vertically to the tape feed direction X.
  • the laying rollers 7, 8 is a vertical guide gap formed for the strip material 2 to be laid; in The strip material 2 runs in this feed gap in the feed direction X a.
  • the strip material 2 is located in more vertical, i.e. upright position.
  • the gap between the laying rollers 7, 8 is dimensioned such that friction is entrained of the strip material 2 through the peripheral surface in each case one of the two laying rolls 7, 8 takes place.
  • the laying rolls 7, 8 are each driven in the same direction, whereby the direction of rotation depends on the direction of displacement of the laying carriage 6.
  • braking means are provided, which the longitudinal edges of the strip material 2 with a Apply pressure force F in the folding area.
  • More essential Part of this brake means is a pressure bar 12, those in the area of the laying rolls 7, 8 on their strip exit side is arranged, and their length at least equal the range of movement of the laying carriage 6.
  • the pressure bar 12 runs parallel to the direction of displacement of the laying carriage 6 and preferably above this, see above that it acts on the upper longitudinal edge of the strip material 2, by using the lower one facing the tape Pressure surface 14 the strip material 2 somewhat from the top presses down.
  • the present invention now relates to an improvement in Area of the pressure bar 12.
  • the pressure bar according to the invention 12 in their band pressure surface 14 over the length of the last distributed recesses 18 to form Has band retaining edges 20.
  • the pressure surface 14 in some areas in the longitudinal direction of the pressure bar 12 interrupted that in the transverse direction with the pressing force F acted on band material 2 or the respective zigzag loop 2a with the band longitudinal edge 22 in some areas bulges into the recesses 18 and thereby from the Retaining edges 20 is held. This will make it effective a return movement of the tape loop 2a just laid avoided in the direction of the feed side 10.
  • the recesses 18 are formed in this way and arranged that the retaining edges 20 each in run essentially rectilinearly and in particular on a common imaginary connecting straight line 24 lie, which in turn are about the location and course of the corresponds to the last zigzag loop 2a.
  • the recesses 18 in the direction of the feed side 10 limited by the retaining edges 20.
  • the retaining edges 20 each part of in particular releasably with the pressure bar 12 connected insert elements 26 are.
  • the insert elements 26 screwed to the pressure bar 12.
  • the insert elements 26 each also form a partial area of the Pressure surface 14, expediently for screwing appropriate countersunk screws 28 are used.
  • the insert elements 26 have the advantage that a increased wear resistance against caused by the tape Friction in the area of the retaining edges 20 reached can be made by inserting the elements 26 accordingly wear-resistant material, especially steel, consist.
  • the remaining pressure bar 12 can advantageously from another, mechanically light and fast machinable material. Is particularly suitable Hard paper (phenolic laminate with paper resin backing, better known under the trademark "Pertinax").
  • the recesses 18 forming the retaining edges 20 are expediently as depressions or areas with reduced Thickness of the pressure bar 12 is formed. These recesses extend from the retaining edges 20 seen in the feed or discharge direction X, X ', i.e. across or perpendicular to the pressure bar 12, preferably via the Total remaining width of the pressure bar 12. Sit the preferably provided insert elements 26 on the "closed" End of the wells and fill them out here so that the pressure surface 14 is continuously present in this area is.
  • the Pressure bar 12 preferably in their pressure surface 14 in each case in the longitudinal direction adjacent to the last Retaining edges 20 forming recesses 18 more, in particular on the connecting straight line connecting the retaining edges 20 24 lying recesses 30.
  • This further recesses 30 support or promote the "Wavy" curvature of the longitudinal edge 22 of the band, see in particular Fig. 8.
  • the further recesses 30 are in the illustrated embodiment as circular depressions trained, the centers of which are approximately on the connecting straight line 24 lie.
  • Steps 32 from the retaining edges 20 in the discharge direction X 'seen spaced by a pressure distance A which is preferably dimensioned such that in this area each only a certain number (depending on the thickness of the each processed band material 2 depends on zigzag loops 2a is arranged.
  • the pressure bar 12 in both of its free ends facing side areas of the movement range of the laying carriage 6, i.e. in the end areas of the maximum length of the Zigzag loops 2a, across the entire width of the last the thickness is reduced so that here instead of the pressure surface in each case a relaxation area 36 is formed in this way is that the zigzag loops 2a in the area of their 180 ° turns 2b maximum with one - compared to the actual one Contact force F in the area of the pressure surface 14 - reduced Contact force F '' can be applied. Similar to that Force F ', the contact pressure F' 'can also go to zero. This measure favors loop formation, i.e. the Formation of the 180 ° turns 2b.
  • the pressure bar 12 is interlocked accordingly educated. This ensures that the scope the laying rolls 7, 8 in the laying area approximately in the middle of the Pressure bar 12 runs. This means that the teeth of the Pressure bar 12 approximately until just before the respective center of the roll protrude.
  • the teeth of the pressure bar are expedient 12 rounded.
  • the Pressure bar 12 for the purpose of mounting on the invention Device 1 countersunk holes 40, basically in any Areas can be arranged. 4 is on Such a countersunk hole 40 at each end of the pressure bar 12 arranged, and further countersunk holes 40 in the area of Recesses 18 may be arranged.

Landscapes

  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Package Frames And Binding Bands (AREA)

Claims (10)

  1. Dispositif (1) pour plier une matière en bande flexible (2) acheminée en continu, en particulier, une bande textile élastique, en boucles en zigzag (2a), comprenant un chariot de pose (6) pouvant être animé d'un mouvement de va et vient et qui présente deux rouleaux de pose (7, 8) disposés l'un à côté de l'autre, avec leurs axes parallèles entre eux, et entraínés en tournant dans le même sens, entre lesquels la matière en bande (2)est attirée en provenance d'un côté d'arrivée (10) et pliée par le mouvement alternatif du chariot de pose (6) perpendiculaire à la direction (X) d'introduction de la bande, ainsi que transportée et envoyée plus loin dans une direction d'évacuation (X') qui correspond à la direction d'introduction (X), ainsi que des moyens de freinage destinés à solliciter les bords longitudinaux de la matière en bande (2) avec une force de pression (F) dans la région du pliage, dans lesquels il est prévu comme moyen de freinage, une barre de pression (12) disposée dans la région des rouleaux de pose (7, 8), sur leur côté de sortie de la bande, et dont la longueur est au moins égale à la région de déplacement du chariot de pose (6) et qui s'étend parallèlement à cette région,
    caractérisé en ce que la barre de pression (12) présente des évidements (18) disposés dans sa surface (14) de pression de la bande, répartis sur la longueur, et qui servent à former des arêtes (20) de retenue de la bande.
  2. Dispositif selon la revendication 1, caractérisé en ce que les évidements (18) sont conformés et disposés de manière que les arêtes de retenue (20), en particulier sensiblement rectilignes, qui limitent les évidements (18) en direction du côté d'arrivée (10) se trouvent sur une droite de jonction fictive (24) qui, de son côté, correspond à peu près à la position et au tracé de la boucle en zigzag (2a) qui a été posée en dernier lieu.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que les arêtes de retenue (20) sont une partie constitutive d'éléments rapportés (26) qui sont en particulier fixés de façon démontable à la barre de pression (12).
  4. Dispositif selon la revendication 3, caractérisé en ce que les éléments rapportés (26) sont faits d'une matière dure, résistante à l'usure par frottement, en particulier d'acier, la barre de pression (12) étant pour le reste de préférence faite d'une matière qui peut être travaillée mécaniquement, facilement et rapidement, comme le papier bakélisé ou analogue.
  5. Dispositif selon une ou plusieurs des revendications 1 à 4, caractérisé en ce que les évidements (18) formant les arêtes de retenue (20) sont réalisés sous la forme d'approfondissements qui, vu en partant des arêtes de retenue (20) dans la direction d'introduction ou d'évacuation (X, X') s'étendent de préférence sur tout le reste de la largeur de la barre de pression (12).
  6. Dispositif selon une ou plusieurs des revendications 1 à 5, caractérisé en ce que la barre de pression (12) présente, dans sa surface de pression (14), dans des positions adjacentes dans la direction longitudinale en supplément des évidements (18) qui forment les arêtes de retenue (20), d'autres évidements (30) situés en particulier sur la droite de jonction (24) qui relie les arêtes de retenue (20).
  7. Dispositif selon la revendication 6, caractérisé en ce que les autres évidements (30) sont réalisés sous la forme d'approfondissements en particulier circulaires.
  8. Dispositif selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que la surface de pression (14) de la barre de pression (12) se termine, dans la direction d'évacuation (X'), par l'intermédiaire de gradins (32) qui s'étendent dans la direction longitudinale et qui réduisent l'épaisseur de la barre de pression (12), par une région de surface de détente (34) qui donne une force de pression réduite (F').
  9. Dispositif selon la revendication 8, caractérisé en ce que les gradins (32) formés entre la surface de pression (14) et la région de surface de détente (34) sont espacés des arêtes de retenue (20), vu dans la direction d'évacuation (X'), d'une distance de pression (A) qui est calculée de manière que seul un nombre déterminé de boucles en zigzag pliées (2a) soit disposé dans cette région, la distance de pression (A) étant de préférence de 10 à 15 mm, en particulier d'environ 13 mm.
  10. Dispositif selon une ou plusieurs des revendications 1 à 9, caractérisé en ce que, dans ses régions marginales dirigées vers les extrémités libres, la barre de pression (12) est réduite en épaisseur sur toute la largeur de la barre, de manière qu'en remplacement de la surface de pression, il se forme dans chacune une surface de détente (36) de telle manière que, dans la région de leurs retours à 180° (2b), les boucles en zigzag (2a) soient sollicitées au maximum avec une force de pression réduite (F'').
EP96118247A 1995-12-09 1996-11-14 Appareil pour plier des boucles de bandes en zig-zag Expired - Lifetime EP0778236B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29519515U DE29519515U1 (de) 1995-12-09 1995-12-09 Vorrichtung zum Falten eines Bandmaterials in Zickzack-Schlaufen
DE29519515U 1995-12-09

Publications (2)

Publication Number Publication Date
EP0778236A1 EP0778236A1 (fr) 1997-06-11
EP0778236B1 true EP0778236B1 (fr) 1999-09-22

Family

ID=8016481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118247A Expired - Lifetime EP0778236B1 (fr) 1995-12-09 1996-11-14 Appareil pour plier des boucles de bandes en zig-zag

Country Status (3)

Country Link
EP (1) EP0778236B1 (fr)
DE (2) DE29519515U1 (fr)
ES (1) ES2140011T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005535519A (ja) * 2002-06-27 2005-11-24 テクスティルマ・アクチェンゲゼルシャフト 蛇行形ループ状に配置された可撓性ウェブ、特に繊維ウェブを包装するためのシステム
DE102005044772A1 (de) * 2004-10-07 2006-04-13 Deutsche Rockwool Mineralwoll Gmbh & Co. Ohg Verfahren und Vorrichtung zur Herstellung eines Dämmstoffelementes aus Fasern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114395C2 (de) 1981-04-09 1983-04-28 Hans 5600 Wuppertal Affüpper Vorrichtung zum zickzackförmigen Falten in Schlaufen eines kontinuierlich zugeführten, flexiblen Bandes
FR2657858B1 (fr) * 1990-02-08 1992-04-30 Cheynet Fils Ets J Dispositif perfectionne pour le pliage en zig-zag d'une bande ou ruban flexible en materiau textile amene en continu.
US5366434A (en) * 1992-11-06 1994-11-22 G. Fordyce Company, Inc. Folding apparatus for narrow paper

Also Published As

Publication number Publication date
ES2140011T3 (es) 2000-02-16
EP0778236A1 (fr) 1997-06-11
DE59603144D1 (de) 1999-10-28
DE29519515U1 (de) 1996-01-25

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