EP0832734B1 - Procédé et dispositif pour la production des prérainures, en particulier sur des ébauches d'enveloppe - Google Patents

Procédé et dispositif pour la production des prérainures, en particulier sur des ébauches d'enveloppe Download PDF

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Publication number
EP0832734B1
EP0832734B1 EP97114259A EP97114259A EP0832734B1 EP 0832734 B1 EP0832734 B1 EP 0832734B1 EP 97114259 A EP97114259 A EP 97114259A EP 97114259 A EP97114259 A EP 97114259A EP 0832734 B1 EP0832734 B1 EP 0832734B1
Authority
EP
European Patent Office
Prior art keywords
vacuum
roll
blank
accordance
suction
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
EP97114259A
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German (de)
English (en)
Other versions
EP0832734A3 (fr
EP0832734A2 (fr
Inventor
Martin Blümle
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Individual
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Publication of EP0832734A3 publication Critical patent/EP0832734A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/25—Surface scoring
    • B31B50/256—Surface scoring using tools mounted on a drum

Definitions

  • the invention relates to a method and a device for producing transverse prematures on blanks and in particular on envelope blanks with the aid of at least one knife roller and a counter-roller.
  • a device for producing a transverse rupture which operates with a knife roller and a counter-roller.
  • the counter roll is provided with a hard peripheral surface and a notch formed therein which extends along a surface line and serves to receive the protruding knife of the knife roll. Accordingly, both rollers must be driven clock accurate.
  • the counter-roller is formed as the cutting confusede transport roller and provided over its entire circumferential length and width with suction openings which fix the blank in its entire front region from the front edge to the notch of the backing roll and thus the transverse rupture of the backing roll.
  • US-A-2 690 103 discloses a device according to the preamble of claim 1.
  • the invention is therefore based on the object to provide measures by means of which the said difficulties in the formation of transverse prematures can be avoided.
  • a device for the production of transverse prematures on blanks of predominantly inelastic material further provides that the knife roller has a suction cup with a plurality of circumferentially arranged suction openings, which can be connected to vacuum or suction air.
  • the suction openings are combined into groups and selectively targeted. It is expedient if the suction openings on the circumference of the suction cup to adapt to different Forma te are summarized to axially parallel groups and each row connected to a suction line.
  • the suction cup has a plurality of axially parallel suction channels for controlling the suction openings, wherein furthermore each axially parallel suction channel can be connected to a arranged in the drive shaft of the knife roller in the axial direction of the vacuum main channel in a freely selectable manner.
  • a suction air-selector ring - preferably in the middle of the knife roller - provided on the one hand arranged in the drive shaft and leading to the vacuum main channel radial bore and on the other hand with an inner peripheral groove and associated with a radial bore the suction channels in the suction cup.
  • a device 1 for producing one or more transverse pre-breaks 2 on a blank 3 comprises a machine frame 4 (FIGS. 1 and 2) and at least one drive 5 for a knife roller 6, which is a counter-tool, in particular in the form of a counter-roller 7 is associated with an elastic sheath.
  • the knife roller 6 is rotatably supported by means of a drive shaft 8 in the machine frame 4.
  • the blank 3 transporting guide roller 9 and the blank 3 further transporting guide roller 10 of the cutter roller 6 are assigned and equipped with controlled suction cups 11 in a basically known manner.
  • the knife roller 6 has a suction cup 12 with suction openings 13 arranged on the outer circumference. These suction openings 13 are combined into groups and selectively targeted in groups. It can therefore be adjusted with vacuum controllable suction ports 13 to the format of a respective blank to be processed 3.
  • suction openings 13 are combined in the suction cup 12 to axially parallel groups and connected in rows in each case to a suction line 14.
  • the suction cup 12 has a plurality of axially parallel suction channels 15, to which the circumferentially arranged suction openings 13 are connected radially outwardly directly.
  • each axially parallel suction channel 15 can be connected to a vacuum main channel 16 arranged in the drive shaft 8 of the knife roller 6.
  • a suction air-selecting ring 17 which is fixed according to embodiment approximately in the middle of the knife roller 6 (Fig. 2), for example by means of a screw 18 and ensures the targeted supply of the individual suction channels 15 with negative pressure.
  • the suction air selector ring 17 over a part of its circumference on an inner circumferential groove 19 and a radially outwardly directed radial bore 20, which is respectively associated with the suction channels 15 in the suction cup 12.
  • the adjustable suction air selector ring 17 By adjusting the adjustable suction air selector ring 17, it is possible to connect each of the suction channels 15 shown in FIG. 3 to the prevailing in the vacuum main channel 16 negative pressure, wherein according to embodiment still a radial bore 21 from the vacuum main channel 16 to the inner Circumferential groove 19 leads.
  • the position and shape and shape of the inner circumferential groove 19 is finally chosen so that each suction channel 15 in the suction cup 12 can be reached by adjusting the suction air selector ring 17.
  • connection opening 22 in each suction channel 15 is the radial bore 20 in the suction air selector ring 17 assigned.
  • the connection openings 22 of all the suction channels 15, which are not connected to the radial bore 20 of the suction air selector ring 17, are at atmospheric pressure, so that also in the suction channels 15 and their suction 13 there is atmospheric pressure.
  • the generation of the required negative pressure in the vacuum main channel 16 in the drive shaft 8 takes place in a basically known manner by means of a Saugluf t-control head 25.
  • the drive shaft 8 extends with its vacuum main channel 16 into the control head 25 and carries there a rotationally fixed connected control disk 26.
  • the control disk 26 has a radially directed bore 27 and an axially directed, connected to the bore 27 window 28. In a window 28 facing position is located in the control head 25 also has a window 29 to which the suction line 14 is connected.
  • the front side and the control disk 26 facing window 29 extends in a coordinated manner with the window 28 arcuately such that in the vacuum main channel 16 and correspondingly in one of the suction channels 15, there is a negative pressure, if on the respective suction channel 15 a blank 3 of the Assumption of the guide roller 9 is held until the delivery to the guide roller 10 by suction air from the cutter roller 6 and transported.
  • this is the case over slightly more than 180 °, the axis of the Knife roller 6 is deeper than the axis of the further transporting guide roller 10.
  • the axis of the other guide roller 9 is again slightly higher than that of the guide roller 10th
  • the attachment of the suction cup 12 and its storage on the drive shaft 8 by means of support rings 30 are shown in FIG. 2 each axially outside.
  • the suction cup 12 is fixed by means of screws 31 on the circumference of the support rings 30.
  • the support rings 30 are divided for dividing (Fig. 5) and by means of a clamping screw 32 frictionally mounted on the drive shaft 8.
  • two Vorbrechmesser 33 and 34 are provided according to embodiment. They lie on the circumference of the knife roller 6 in each case outside the suction cup 12 (FIG. 3).
  • the suction cup 12 therefore also extends over only a part of the circumference of the knife roller 6 and, according to the exemplary embodiment, over approximately 120 °. In the area of the other half of the knife roller 6 are the Vorbrechmesser 33 and 34.
  • the suction cup 12 is therefore not burdened by forces resulting from the Vorbruchmessern 33 and 34 respectively.
  • the one Vorbrechmesser 33 is a fixed on the knife roller 6 knife.
  • the other advance knife 34 is adjustable relative to the roughing knife 33 in the circumferential direction.
  • the fixed preset knife 33 serve different support rings 36, 37, 38 and 39. They are mirror images of the suction air selector ring 17 at a distance arranged on the drive shaft 8 and fixed there by means of screws 40 in the axial direction and in the circumferential direction. While the two axially outer support rings 36 of FIG. 6 have a circular circumference and at the same time serve as a drive for the counter roller 7, the support rings 37, 38 and 39 have a basically same cross section as the support ring 38 of FIG. 4, whose outer contour however, deviates from a complete circular shape.
  • Vorbrechmesser 33 Only the non-adjustable in the circumferential direction of the knife roller 6 Vorbrechmesser 33 is located with its terminal block 41 and a fastening screw 42 in a wing-shaped in cross-section projection 43 with a circular outer contour. This wing-shaped projection extends over about 90 °.
  • the remaining part 44 of the support ring 38 and the support ring 37 and 39 has an annular outer contour 45 which merges gradually at the terminal block 41 and at the other end with a rectangular shoulder 46 in the outer contour 47 of the projection 43.
  • the outer diameter, which is smaller by the height of the shoulder 46, of the annular part 44 of the support ring 38, 37, 39 serves to create a free space 48 in which the adjustable advance knife 34 is adjustable. Furthermore, in the free space 48 and the suction cup 12, as shown in FIG. 3.
  • the support rings 50 and 51 are slotted as the support rings 30 and on the drive shaft 8 in the circumferential direction adjustable and fastened by means of a clamping screw 52. Over the greater part of their circumference, the support rings 50 and 51 have the same outer diameter as the support rings 37, 38 and 39, and this also applies to projections 53 and 54, which are located on both sides of the slot 55.
  • the projection 54 carries a by means of a screw 57 'attachable terminal block 57 for the Vorbrechmesser 34. From the seat of the terminal block 57 of the projection 54 falls directly into the smaller outer periphery 58 of the support ring 50, 51 from.
  • the counter roller 7 can be fixed positionally relative to the knife roller 6 on the one hand, as shown in Fig. 1 and on the other hand, it can be swung.
  • the counter-roller 7 is adjustable, for which purpose at least one thread 60 or a screw bolt is used.
  • the counter-roller 7 is pivotally mounted together with its bearing block 61 about an axis 62 on the machine frame 4. If necessary, it can be swung downwards in the direction of the arrow (FIG. 1) away from the knife roller 6.
  • the device 1 is suitable for carrying out the desired working method.
  • suction air to the suction ports 13 of one of the suction channels 15 namely the blank 3 to be processed is taken over from the guide roller 9 as shown in FIG. 1 and then receives in a circulation in the direction of Arrows in Fig. 1 a pre-break 2, when the fixed preset knife 33 runs over the counter-roller 7.
  • the part 70 of the blank 3 located behind the transverse rupture 2 in the direction of transport is loosely carried along at the time of the formation of the rupture 2, so that a compensation movement through the part 70 during rupture formation is possible.
  • this also applies to the rear end 71 of the blank 3 in the direction of transport.
  • each blank 3 must be grasped and transported further with the aid of negative pressure or suction air in the region of its front edge 72 (FIG. In the case of an envelope, the edge of his back flap is suitably detected.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (8)

  1. Dispositif destiné à la réalisation de traçages transversaux (2) sur une découpe (3), en particulier sur une découpe d'enveioppe, à l'aide d'un rouleau porte-couteau (6) qui, auquel est assigné un contre-rouleau (7), génère un traçage transversal (2), présente un couteau de traçage (33), est logé dans un bâti de machine (4) et doté d'une commande (5), la découpe (3) étant saisie à l'aide d'air d'aspiration / dépression, à un endroit situé dans le sens du transport devant le traçage transversal (2) à former, et étant tirée dans le sens du transport, et en outre la pièce (70) de la découpe (3) se trouvant dans le sens du transport derrière le traçage transversal (2) étant entraînée librement de manière à ce qu'elle puisse être déplacée librement pour permettre un mouvement de compensation pendant la formation du traçage, caractérisé par le fait
    a) que plusieurs orifices d'aspiration (13) sont agencés dans le sens périphérique dans un segment d'aspiration (12) du rouleau porte-couteau (6)
    b) et regroupés en groupes parallèles
    c) qui peuvent être raccordés de manière ciblée, rangée par rangée, à une conduite d'aspiration (14) et
    d) que le rouleau porte-couteau (6) présente deux couteaux de traçage (33, 34),
    e) l'un des couteaux de traçage (33) étant fixé de manière rigide dans le sens périphérique et
    f) l'autre couteau de traçage (34) étant réglable dans le sens périphérique.
  2. Dispositif d'après la revendication 1 caractérisé par le fait que le segment d'aspiration (12) sur l'arbre de commande (8) du rouleau porte-couteau (6) est réglable dans le sens périphérique.
  3. Dispositif d'après la revendication 1 caractérisé par le fait que le segment d'aspiration (12) présente un grand nombre de canaux d'aspiration (15) parallèles à l'axe avec des orifices d'aspiration (13) disposés sur le côté périphérique et que chaque canal d'aspiration (15) parallèle à l'axe peut être raccordé à un canal principal à dépression (16) disposé dans l'arbre de commande (8) du rouleau porte-couteau (6).
  4. Dispositif d'après la revendication 1 caractérisé par le fait que le contre-rouleau (7) peut être fixé, ajusté et écarté dans sa position par rapport au rouleau porte-couteau (6).
  5. Dispositif d'après la revendication 1 caractérisé par le fait que le contre-rouleau (7) est entraîné par le rouleau porte-couteau (6).
  6. Dispositif d'après la revendication 1 caractérisé par le fait qu'un anneau de sélection réglable de l'air d'aspiration (17) est prévu, qui est assigné d'une part à un alésage radial (21) se trouvant dans l'arbre de commande (8) et conduisant vers le canal de dépression (16), et d'autre part aux canaux d'aspiration (15) dans le segment d'aspiration (12) avec une rainure périphérique intérieure (19) et un alésage radial (20).
  7. Dispositif d'après la revendication 1 caractérisé par le fait que le segment d'aspiration (12) et les couteaux de traçage (33, 34) sont agencés sur des anneaux porteurs (30, 36 à 39 et 50, 51).
  8. Dispositif d'après la revendication 1 caractérisé par le fait que la surface périphérique du contre-rouleau (7) est formée par une gaine élastique.
EP97114259A 1996-09-30 1997-08-19 Procédé et dispositif pour la production des prérainures, en particulier sur des ébauches d'enveloppe Expired - Lifetime EP0832734B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19640042 1996-09-30
DE19640042A DE19640042A1 (de) 1996-09-30 1996-09-30 Verfahren und Vorrichtung zum Herstellen von Quervorbrüchen, insbesondere an Briefumschlagzuschnitten

Publications (3)

Publication Number Publication Date
EP0832734A2 EP0832734A2 (fr) 1998-04-01
EP0832734A3 EP0832734A3 (fr) 1999-08-04
EP0832734B1 true EP0832734B1 (fr) 2006-05-24

Family

ID=7807251

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114259A Expired - Lifetime EP0832734B1 (fr) 1996-09-30 1997-08-19 Procédé et dispositif pour la production des prérainures, en particulier sur des ébauches d'enveloppe

Country Status (4)

Country Link
EP (1) EP0832734B1 (fr)
JP (1) JP3954172B2 (fr)
DE (2) DE19640042A1 (fr)
ES (1) ES2276413T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1361028A1 (fr) * 2002-05-06 2003-11-12 Kba-Giori S.A. Dispositif de découpe destiné à découper des fenêtres dans un substrat
DE102007015300B4 (de) 2007-03-27 2013-07-04 Winkler + Dünnebier Gmbh Vorbruchwalze
CN107139537A (zh) * 2017-06-20 2017-09-08 南京卓能机械设备有限公司 六角袋开底吸气装置
CN113071150A (zh) * 2021-05-08 2021-07-06 南京卓能机械设备有限公司 开底吸盘夹纸装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284259A (en) * 1927-01-26 1928-09-06 Smithe Machine Co Inc F L Improvements in scoring mechanism for envelope machines and the like
DE648075C (de) * 1934-03-19 1937-07-21 Fromagerie Le Castel S A Querschneider
US2376697A (en) 1940-07-25 1945-05-22 Bagpak Inc Bag making machine
US2690103A (en) 1949-11-18 1954-09-28 Dunnebier Kurt Machine for the manufacture and printing of envelopes
US2842202A (en) 1955-10-28 1958-07-08 Harry S Boyd Perforating strip
DE1196058B (de) * 1961-09-25 1965-07-01 Winkler Richard Mit Saugeinrichtungen ausgeruestete Foerder- und Schneidwalze fuer Maschinen zum Herstellen von Fensterbriefumschlaegen od. dgl.
US3147658A (en) 1961-11-29 1964-09-08 Harry S Boyd Apparatus for perforating sheets
DE1229827B (de) * 1962-12-04 1966-12-01 Windmoeller & Hoelscher Sack- oder Beutelmaschine
US3554070A (en) 1968-11-18 1971-01-12 Harry S Boyd Perforating strip for printing presses
DE2029977A1 (de) * 1970-06-18 1971-12-23 Dorgelo, Josephus Bernardus, Gouda (Niederlande) Falzmaschine fur Zuschnitte aus Papier od dgl zur Herstellung von Taschen oder Beuteln mit einer oder zwei Falzungen
US3728918A (en) 1970-11-09 1973-04-24 Smithe Machine Co Inc F L Rotatable panel cutter
DE2752411C3 (de) * 1977-11-24 1981-04-16 Karl-Heinz 4800 Bielefeld Honsel Falteinrichtung für Versandtaschenmaschinen
US4504260A (en) 1982-11-08 1985-03-12 Champion International Corporation Method and apparatus for scoring and folding envelopes
US4521209A (en) * 1983-04-22 1985-06-04 Paper Converting Machine Company Apparatus and method for transverse folding of webs
DE3640373A1 (de) 1986-11-26 1988-06-09 Winkler Duennebier Kg Masch Verfahren und vorrichtung zum herstellen von gefalteten papieren und dgl.
DE4329834C2 (de) * 1993-08-02 1997-06-19 Windmoeller & Hoelscher Vorrichtung zum Falzen und Kleben von Beuteln

Also Published As

Publication number Publication date
JP3954172B2 (ja) 2007-08-08
ES2276413T3 (es) 2007-06-16
EP0832734A3 (fr) 1999-08-04
EP0832734A2 (fr) 1998-04-01
DE59712658D1 (de) 2006-06-29
DE19640042A1 (de) 1998-04-02
JPH10211663A (ja) 1998-08-11

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