EP0436142B1 - Rouleaux à couteaux - Google Patents

Rouleaux à couteaux Download PDF

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Publication number
EP0436142B1
EP0436142B1 EP90123519A EP90123519A EP0436142B1 EP 0436142 B1 EP0436142 B1 EP 0436142B1 EP 90123519 A EP90123519 A EP 90123519A EP 90123519 A EP90123519 A EP 90123519A EP 0436142 B1 EP0436142 B1 EP 0436142B1
Authority
EP
European Patent Office
Prior art keywords
suction
air control
suction air
cutter roller
roller according
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
EP90123519A
Other languages
German (de)
English (en)
Other versions
EP0436142A3 (en
EP0436142A2 (fr
Inventor
Siegfried Fuchs
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.)
Winkler and Duennebier Maschinefabrik und Eisengiesserei GmbH
Original Assignee
Winkler and Duennebier Maschinefabrik und Eisengiesserei 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 Winkler and Duennebier Maschinefabrik und Eisengiesserei GmbH filed Critical Winkler and Duennebier Maschinefabrik und Eisengiesserei GmbH
Publication of EP0436142A2 publication Critical patent/EP0436142A2/fr
Publication of EP0436142A3 publication Critical patent/EP0436142A3/de
Application granted granted Critical
Publication of EP0436142B1 publication Critical patent/EP0436142B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B26D7/1845—Means for removing cut-out material or waste by non mechanical means
    • B26D7/1863—Means for removing cut-out material or waste by non mechanical means by suction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S83/00—Cutting
    • Y10S83/911—Envelope blank forming
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2066—By fluid current
    • Y10T83/207—By suction means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2183—Product mover including gripper means
    • Y10T83/2185—Suction gripper
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/465—Cutting motion of tool has component in direction of moving work
    • Y10T83/4766—Orbital motion of cutting blade
    • Y10T83/4795—Rotary tool
    • Y10T83/483—With cooperating rotary cutter or backup
    • Y10T83/4838—With anvil backup
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9372—Rotatable type
    • Y10T83/9387—Punching tool

Definitions

  • the invention relates to a knife roller with at least one foil knife, which can be fastened to a roller body part which has a series of suction openings on its circumference for temporarily holding a piece of material cut out from the foil knife, a suction air control channel being connected to the row of suction holes.
  • Such a knife roller is known from US-A-4 537 588. It is used to cut out the window from window envelopes. While the envelope blank is being transported with the knife roller, the piece of waste created by the window cutout has to be held for a certain time in order to then be handed over to a waste funnel. This is done by the axially aligned single row of suction openings, which open within the area enclosed by the foil knives in the roller surface. A further axially extending row of suction openings is provided in the roller surface, which is connected to its own suction air control channel in the carrier shaft, but this row of suction holes is located in front of the knives in the direction of rotation of the knife roller and is used, at times, the front edge of the envelope blank on the roller surface to hold on.
  • a bowl-shaped ring sector provided with the rows of suction holes is mounted on the carrier shaft and can be rotated and fixed relative to the carrier shaft so that two adjacent rows of holes can be connected to the distributor grooves and thus to the suction air control channels.
  • these two rows of suction holes which can be acted upon by vacuum, only serve to hold the leading blank edge on the counter roller. The adjustment only allows adaptation to different formats or distances between the leading edge of the blank and the window to be cut out. This cutting does not take place in the area of the suction hole rows but in a cutting sector following in the direction of rotation with a particularly hard surface and without suction holes. The cut pieces of waste can not be targeted and transport to a predetermined discharge point using vacuum.
  • the invention has for its object to design a knife roller for envelope production and other applications so that it is as versatile as possible and, above all, is able to safely and reliably dispose of more than just a single piece of waste per blank to be processed.
  • This invention allows, for example, when using twelve rows of suction holes and a corresponding number of suction channels, three suction air control channels and two suction air control disks on the front to safely and reliably dispose of three different pieces of waste, which are distributed over the circumference of the knife roller and have to be transported away and dispensed at the right moment. It is furthermore advantageous that with the help of suction openings in the film knife (s) only the required suction openings of the different rows of suction holes are subjected to vacuum, while the other suction openings are covered.
  • Suction control in the form described can be carried out regardless of whether the foil knives are held on the multi-part roller body with the aid of magnetic strips or with the aid of a mechanical tensioning and fastening device.
  • a cutting station 1 for window envelopes comprises a knife roller 2 and a rotating counter roller 3 serving as a counter tool, between which a paper web 4 which has not yet been divided into envelope blanks is passed and processed.
  • the counter roller 3 is mounted in a carrier 5 and, together with this, can also be moved in the direction of the arrows towards the knife roller 2 and away from it.
  • the cutting station 1a according to FIG. 2 is used for processing envelope blanks 4a, a cutting bar 3a being provided as a counter-tool for the knife roller 2.
  • the cutting bar 3a can be adjusted together with its carrier 5 in the direction of the arrows towards the knife roller 2 and away from it.
  • the knife roller 2 has a suction bar 6 (FIG. 3) with suction openings 7, the suction bar 6 being arranged at a fixed angle in its phase position with respect to the feeding and discharging roller 8, 9.
  • the envelope blank 4a gripped by the suction bar 6 is passed along a circular path under the counter tool or the cutting bar 3a, a window being cut out.
  • the window cutout or the piece of waste is held within the window knife periphery by means of suction and finally discharged into a suction funnel 10, while the envelope blank 4a is transported further by the discharging roller 9.
  • FIG 3 shows the knife roller 2 or its storage as well as essential parts of the knife roller 2 in section, but without the foil knives and without the parts used for fastening and tensioning the foil knives.
  • the knife roller 2 comprises a carrier shaft 11, which is supported by means of several ball bearings 12 in a machine frame 13 and can be driven by means of a toothed wheel 14.
  • the parts (not shown in FIG. 3) for fastening and tensioning the foil knives can be fastened on the carrier shaft 11, while the other end 16 of the carrier shaft 11 carries control disks 17, 18 and 19 for the suction air control, which at one time include fixed suction air control valve 20.
  • the suction air control valve 20 and its three control disks 17, 18 and 19 three longitudinal bores 21, 22 and 23 located in the carrier shaft 11 are acted upon by vacuum from a vacuum line 24, according to the angular position of the carrier shaft 11.
  • suction air control valves 20 are basically known.
  • the carrier shaft 11 carries a left receiving disk 25 and a right receiving disk 26 for the suction bar 6, with the aid of which an envelope blank 4a is gripped by means of suction and transported further.
  • the suction bar 6 has a suction channel 27 below the suction openings 7, the suction air supply of which is by means of a second suction air control valve 28 and a separately adjustable suction air control disc 29.
  • a suction air control valve 28 there is a suction air control channel 30 or 31, which is connected to one another according to FIG. 3, as is in the right-hand receiving disk 26 for the suction bar 6, which are connected to one another according to FIG. 3 when a window 32 located in the suction air control disk 29 is between them.
  • the three longitudinal bores 21, 22 and 23 in the carrier shaft 11 open at the shaft end 15 in transverse bores 33, 34 and 35, as can also be seen in FIG. 3.
  • the position and arrangement of the longitudinal bores 21 to 23 and the transverse bores 33 to 35 can also be seen in FIGS. 4 and 5.
  • FIGS. 9 and 10 On the right shaft end 15 of the carrier shaft 11 there is also a holding and tensioning device 39 for fastening and tensioning film knives 36, 37 and 38 with magnetic strips 40 according to FIGS. 9 and 10 or a mechanically acting holding and tensioning device 41 according to FIGS. 12 to 14.
  • These holding devices 39 and 41 are only shown in FIGS. 9 and 10 or 12 to 14 and not in FIG. 3 for the sake of clarity.
  • FIG. 6 shows in section parts of the holding and tensioning device for the foil knives, the features shown being the same both in the holding and tensioning device 39 with magnetic strips 40 and in the mechanical holding and tensioning device 41.
  • both holding and tensioning devices include an approximately semi-cylindrical shell 42, which offset suction openings 43 along a plurality of rows of suction holes in the circumferential direction 44 or along twelve rows of suction holes a to l (Fig. 11).
  • the shell 42 forms, at least in part, the effective roller surface 45, from which the suction openings 43 extend radially inwards to the suction channels 46, which are arranged directly below the roller surface 45.
  • each suction hole row 44 or suction hole row a to l is assigned a suction channel 46, and all suction hole rows 44 and suction channels 46 extend parallel to one another and in the longitudinal direction of the roll.
  • the semi-cylindrical shell 42 On its inside 47, the semi-cylindrical shell 42 has three suction air control channels 48, 49 and 50 in the form of channel-shaped recesses. In the assembled state, these suction air control channels 48, 49 and 50 are each assigned to one of the three transverse bores 33, 34 and 35 in the carrier shaft 11.
  • the first suction air control duct 48 is - as is also apparent from FIG. 6 - connected to the first suction hole row a by means of transverse bores 51.
  • the second suction air control channel 49 also extends parallel to the suction channels 44 over a little more than half the shell length and ends at one end 52 of a control window 53. Basically the same applies to the third suction air control channel 50, which, however, on the other end 54 of the shell 42 ends at a control window 55.
  • suction air control disks 56 and 57 On both end faces 52 and 54 there are also suction air control disks 56 and 57, each with a control channel 58 and 59, from each of which a control window 60 directed radially outward branches off.
  • the suction air control channels 49, 50 with the suction channels 46 are respective Suction hole rows 44 can be optionally connected by adjusting the suction air control disks 56, 57.
  • clamping screws 61 the suction air control disks 56, 57 are fixed on the carrier shaft 11 and locking screws 62 are provided in order to close the suction channels 46 at their front ends.
  • the two suction air control disks 56, 57 are basically of the same design and are divided into two for assembly reasons, as can also be seen from FIGS. 7 and 8. Your two halves 63, 64 are held together with the aid of clamping screws 65. Both suction air control disks 56 and 57 are also ring-shaped, as can be seen from FIGS. 6 to 8.
  • the approximately semi-cylindrical shell 42 not only partially forms the roller surface 45, but also serves as a carrier for the foil knives 36, 37 and 38.
  • magnetic strips 40 are provided. They are parallel to the longitudinal axis of the roll and between the rows of suction holes a to 1. Magnetic strips 40 are also provided outside the row of suction holes 44 in sufficient numbers to give the foil knives 36 to 38 a secure hold.
  • suction air control channel 48 is arranged approximately in the middle of the shell 42, while the second suction air control channel 49 is offset more to the left and the third suction air control channel 50 is offset more to the right. Furthermore, the second suction air control channel 49 is open to the left end face 52, while the third suction air control channel 50 is open to the right end face 54 is open.
  • a semi-cylindrical adapter 67 is also used to fasten the semi-cylindrical shell 42 to the carrier shaft 11, as can be seen from FIGS. 9 and 10.
  • the semi-cylindrical shell 42 and the semi-cylindrical fitting 67 are e.g. fixed securely to one another and to the support shaft 11 with the aid of screws 68.
  • the mechanical holding and tensioning device 41 according to FIGS. 12 to 14 differs from the holding and tensioning device 39 according to FIGS. 9 to 11 essentially only in that those used to fasten and hold the foil knives 36, 37 and 38 Magnetic strips 40 are replaced by mechanical holding and clamping means 69 and 70, respectively.
  • the holding and tensioning device 41 has a semi-cylindrical shell 42 and a semi-cylindrical fitting 67, which can be fastened to one another and to the carrier shaft 11 with the aid of screws 68.
  • FIGS. 12 and 13 show counterweights 71 on the fitting 67.
  • Such counterweights 71 are basically also required in the holding and tensioning device 39 according to FIGS. 9 and 10 and are also fastened there on the fitting 67 with the aid of screws 72 , even if this is not shown in FIGS. 9 and 10.
  • the semi-cylindrical shell 42 of the mechanical holding and tensioning device 41 is used to fasten one or more foil knives 36, 37 or 38.
  • the rigidly acting holding and tensioning means 69 comprise a clamping bar 76 and fastening screws 77.
  • the adjustable holding and tensioning means 70 comprise tensioning screws 78 and a tensioning slide 80 actuated by springs 79, on which the foil knife (s) are attached with their tensioning lip 73 and with the aid secured by screws 81.
  • a clamping channel 82 in the shell 42 serves to receive the clamping slide 80, as can be seen in particular from FIG. 12.
  • the rigidly fastened end 74 of the film knife (s) 36 to 38 lies with its clamping lip 73 preferably on an inclined surface 83 or on an edge piece 84 of the shell 42 which is wedge-shaped in cross section, as can also be seen in FIG. 12.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Advancing Webs (AREA)
  • Details Of Cutting Devices (AREA)

Claims (14)

  1. Cylindre porte-lames (2) comprenant au moins une lame coupe-feuilles (36, 37, 38) qui peut être fixée sur une partie du corps de cylindre (47) et qui présente, sur sa périphérie, une rangée (44a) d'orifices d'aspiration (43) pour le maintien provisoire d'un morceau de la matière découpée par la lame coupe-feuilles (36, 37, 38), un canal de commande (48) de l'air d'aspiration étant relié à la rangée de trous d'aspiration (44a), caractérisé en ce que
    a) il est prévu, à distance périphérique de la rangée de trous d'aspiration (44a), au moins une autre rangée de trous d'aspiration (44b à 44l) présentant des orifices d'aspiration (43)
    b) au moins un autre canal de commande (49, 50) de l'air d'aspiration comprenant au moins un disque réglable de commande (56, 57) est associé aux autres rangées de trous d'aspiration (44b à 44l) et
    c) chaque rangée de trous d'aspiration (44b à 44l) est connectée, par l'intermédiaire d'un canal d'aspiration (46), au moins au canal de commande (48, 49, 50) de l'air d'aspiration
    d) les disques de commande (56, 57) de l'air d'aspiration sont conçus et réglables de manière que l'autre canal de commande (49, 50) de l'air d'aspiration soit relié sélectivement aux différentes rangées de trous d'aspiration (44b à 44l) et à leurs canaux d'aspiration (46) ainsi qu'à leurs orifices d'aspiration (43).
  2. Cylindre porte-lames selon la revendication 1, caractérisé en ce que deux disques réglables de commande (56, 57) de l'air d'aspiration sont prévus sur la face frontale.
  3. Cylindre porte-lames selon la revendication 1 ou 2, caractérisé en ce que les disques réglables de commande (56, 57) de l'air d'aspiration sont de forme annulaire.
  4. Cylindre porte-lames selon l'une des revendications 1 à 3, caractérisé en ce que les canaux d'aspiration (46) sont disposés juste en dessous de la surface (45) de cylindre.
  5. Cylindre porte-lames selon l'une des revendications 1 à 4, caractérisé en ce que les canaux d'aspiration (46) sont disposés parallèlement entre eux ainsi que dans le sens longitudinal du cylindre.
  6. Cylindre porte-lames selon l'une des revendications 1 à 5, caractérisé en ce que l'arbre porteur (11) présente, pour le corps de cylindre (42, 67), trois perçages longitudinaux (21, 22, 23) avec des perçages transversaux (33, 34, 35) pour le raccordement aux canaux de commande (48, 49, 50) de l'air d'aspiration et en ce qu'une soupape de commande (20) de l'air d'aspiration comprenant trois disques de commande (17, 18, 19) est associée aux trois perçages longitudinaux (21, 22, 23) dans l'arbre porteur (11).
  7. Cylindre porte-lames selon l'une des revendications 1 à 6, caractérisé en ce que trois canaux de commande (48, 49, 50) de l'air d'aspiration sont prévus.
  8. Cylindre porte-lames selon l'une des revendications 1 à 7, caractérisé en ce que les canaux d'aspiration (46) et les canaux de commande (48, 49, 50) de l'air d'aspiration se trouvent dans une partie de corps du cylindre ayant la forme d'une coque semi-cylindrique (42).
  9. Cylindre porte-lames selon l'une des revendications 1 à 8, caractérisé en ce qu'une rangée de trous d'aspiration (44a) est connectée en permanence à un perçage oblong (21) dans l'arbre porteur (11) pour le corps de cylindre (42, 67).
  10. Cylindre porte-lames selon l'une des revendications 1 à 9 caractérisé en ce que douze rangées de trous d'aspiration (44a à 44l) sont prévues, un premier canal de commande (48) de l'air d'aspiration étant relié exclusivement à une rangée de trous d'aspiration (44a) et un second canal de commande (49) de l'air d'aspiration et un troisième canal de commande (50) de l'air d'aspiration pouvant être reliés sélectivement aux autres rangées de trous d'aspiration (44b à 44l) au moyen de deux disques de commande (56, 57) de l'air d'aspiration.
  11. Cylindre porte-lames selon la revendication 10, caractérisé en ce que le premier canal de commande (48) de l'air d'aspiration est relié, par l'intermédiaire de perçages transversaux (51) orientés radialement, au canal d'aspiration (46) d'une rangée de trous d'aspiration (44a) et en ce que le second canal de commande (49) de l'air d'aspiration présente, à son extrémité gauche, un hublot de commande (53) et le troisième canal de commande (50) de l'air d'aspiration, à son extrémité droite, un hublot de commande (55), à chaque fois pour établir la connexion sélective avec les canaux d'aspiration (46) des autres rangées de trous d'aspiration (44b à 44l).
  12. Cylindre porte-lames selon l'une des revendications 1 à 11 caractérisé en ce qu'un autre disque de commande (29) sur la face frontale est prévu pour la commande de l'air d'aspiration d'une réglette d'aspiration séparée (6) afin de maintenir et de transporter l'ébauche à doter d'au moins une découpe ou d'une fenêtre au moyen du cylindre porte-lames (2) ainsi qu'une ébauché d'enveloppe (4, 4a).
  13. Cylindre porte-lames selon l'une des revendications 1 à 12, caractérisé en ce que des réglettes magnétiques (40) sont prévues pour la fixation des lames coupe-feuilles (36, 37, 38) et en ce que les rangées de trous d'aspiration (44a à 44l) comprenant des orifices d'aspiration (43) dirigés radialement sont disposés respectivement entre les réglettes magnétiques (40).
  14. Cylindre porte-lames selon l'une des revendications 1 à 12, caractérisé en ce qu'un dispositif de retenue et de serrage mécanique (42) est prévu pour les lames coupe-feuilles (36, 37, 38).
EP90123519A 1990-01-03 1990-12-07 Rouleaux à couteaux Expired - Lifetime EP0436142B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4000078 1990-01-03
DE4000078A DE4000078A1 (de) 1990-01-03 1990-01-03 Messerwalze

Publications (3)

Publication Number Publication Date
EP0436142A2 EP0436142A2 (fr) 1991-07-10
EP0436142A3 EP0436142A3 (en) 1991-11-27
EP0436142B1 true EP0436142B1 (fr) 1995-09-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP90123519A Expired - Lifetime EP0436142B1 (fr) 1990-01-03 1990-12-07 Rouleaux à couteaux

Country Status (3)

Country Link
US (1) US5109741A (fr)
EP (1) EP0436142B1 (fr)
DE (2) DE4000078A1 (fr)

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EP0436142A3 (en) 1991-11-27
US5109741A (en) 1992-05-05
DE4000078A1 (de) 1991-07-04
DE59009657D1 (de) 1995-10-19
EP0436142A2 (fr) 1991-07-10

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