EP0726848B1 - Device for adjusting a cutting stick for a cutting cylinder of a rotary press - Google Patents

Device for adjusting a cutting stick for a cutting cylinder of a rotary press Download PDF

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Publication number
EP0726848B1
EP0726848B1 EP94902604A EP94902604A EP0726848B1 EP 0726848 B1 EP0726848 B1 EP 0726848B1 EP 94902604 A EP94902604 A EP 94902604A EP 94902604 A EP94902604 A EP 94902604A EP 0726848 B1 EP0726848 B1 EP 0726848B1
Authority
EP
European Patent Office
Prior art keywords
cutting
cylinder
groove
stud bolts
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
EP94902604A
Other languages
German (de)
French (fr)
Other versions
EP0726848A1 (en
Inventor
Rudolf Stäb
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.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
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 Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP0726848A1 publication Critical patent/EP0726848A1/en
Application granted granted Critical
Publication of EP0726848B1 publication Critical patent/EP0726848B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00Folding thin material
    • B65H45/12Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/16Rotary folders
    • B65H45/162Rotary folders with folding jaw cylinders
    • B65H45/168Rotary folders with folding jaw cylinders having changeable mode of operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628Means for adjusting the position of the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/54Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56Folding or cutting
    • B41F13/60Folding or cutting crosswise
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/04Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
    • B65H35/08Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with revolving, e.g. cylinder, cutters or perforators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00Folding thin material
    • B65H45/12Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/28Folding in combination with cutting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/10Selective handling processes
    • B65H2301/16Selective handling processes of discharge in bins, stacking, collating or gathering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10Size; Dimensions
    • B65H2511/11Length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40Identification
    • B65H2511/414Identification of mode of operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2555/00Actuating means
    • B65H2555/10Actuating means linear
    • B65H2555/11Actuating means linear pneumatic, e.g. inflatable elements
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9372Rotatable type
    • Y10T83/9396Shear type
    • Y10T83/9399Cutting edge wholly parallel to axis of rotation
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9457Joint or connection
    • Y10T83/9464For rotary tool
    • Y10T83/9469Adjustable
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/929Tool or tool with support
    • Y10T83/9457Joint or connection
    • Y10T83/9464For rotary tool
    • Y10T83/9469Adjustable
    • Y10T83/9471Rectilinearly

Definitions

  • the invention relates to a device for adjusting a cutting knife bar for a cutting cylinder Rotary printing machine according to the preamble of Claim 1.
  • a cutting and collecting device for Rotary printing presses are from DE-C-6 71 790 known to use a cutting cylinder with a Collection cylinder works together in its scope has three groove strips.
  • the collecting cylinder is used for constantly changing cutting edges and for collecting two somewhat different lengths, which after the common cross folds have the same edge lengths should. That is why the two cutting knives are the Cutting cylinder in the circumferential direction once more and once slightly less than 180 ° to each other.
  • EP-A-03 64 864 is a generic one Device for adjusting a cutting knife bar a cutting cylinder in the folder one Rotary printing machine known with which the different cutting lengths of the blanks is adjustable that the cutting cylinder with two am Circumferentially arranged cutting knives from an inner and an outer cylinder, both in Are mutually adjustable circumferential direction. This happens through a arranged in the machine frame additional second gear train.
  • the disadvantage here is a Additional expenditure on machine elements as well as an enlargement of the construction volume of the folder mentioned.
  • US-A-4 338 087 describes an apparatus for Folding webs with a gripper and one Folding knife. To open and close the gripper a bar in the axial direction of the folding cylinder periodically moved. This axial movement is by means of oblique grooves and bolts in one movement Transfer circumferential direction of the folding cylinder.
  • the invention has for its object a Device for adjusting the cutting knife bars two cutting cylinder bars with cutting blades to create a folder.
  • the invention provides the following advantages in particular achieved. Through one outside the side frame arranged actuator for adjusting the The construction volume of the facility will not be cut enlarged.
  • the facility is from the operating side of the Machine made easy to operate and inexpensive Construction elements.
  • the setup can easily be done at a conversion of the folder from double production to Collective production and vice versa from long-long cut to Long-short cut can be changed. Besides, one is stepless adjustment possible.
  • a cutting cylinder 1 - as shown in Fig. 1 - is over its journals 2, 3 stored in side frames, from which only the left side frame 4 is shown.
  • the Axle journal 2 is in a cylindrical roller bearing 6, which is designed as a floating bearing.
  • One in one centric bore 7 of the cutting cylinder 1 arranged, movable in the axial direction by a stroke length a Lifting spindle 8 is outside of the journal 2 and beyond the left side frame 4 via a coupling 9 and Threaded spindle 11 with a handle, for. B. a handwheel 12 connected.
  • the threaded spindle 11 is by a Threaded bore 13 of a bearing block 14 fixed to the frame guided.
  • Both the cylindrical roller bearing 6 and the Bearing bracket 14 is by means of screws 15, for. B. Cylinder screws, fixed to the frame. Hole 7 has a corresponding fit, so that the Bearing clearance between the lifting spindle 8 and the bore 7 is minimized.
  • the cutting cylinder 1 has - as in FIG. 2 shown - two diametrically on its circumference opposite and in the axis-parallel direction running grooves 16, 17 with bottom surfaces 18; 19 on, in which cutting knife bars 21, 22 are arranged.
  • the Cutting knife bars 21, 22 each consist of a arranged on the bottom surface 18, 19 of the groove 16, 17 Guide bar 23, 24 with a rectangular cross section.
  • the guide bar 23, 24 is non-positive and positive by means of screws 26, e.g. B. cylinder head bolts, a Knife insert bar 27, 28 connected, each in axially parallel direction on from the knife insert 27, 28 protruding cutting knife 29, 30 carries.
  • the Tracking strips 23, 24 can be used together with the Knife insert strips 27, 28 can be made in one piece.
  • the part of the lifting spindle located within the cutting cylinder 1 8 two holes 32, 33 in the radial direction, through which on both sides, each in the radial direction extending stud bolts 34, 35 are arranged.
  • the grooves 39, 40 in the guide strips 23, 24 run at an angle ⁇ with an amount in the range from 2 ° to 10 ° to an axial center line 42 of the cutting cylinder 1.
  • the illustrations shown in FIGS. 1 to 3 show the cutting knives 29, 30 in the "non-collective production" position, that is to say the cutting knives 29, 30 are aligned with the center line 42 running, on both sides of the groove 16, 17 provided in the lateral surface of the cutting cylinder 1 in threaded bores 43, each of which presses a sliding block 46 against the guide bar 23, 24 via a compression spring 44 indicated in FIGS. 2 and 3, so that the guide bar 23, 24 against the bottom surface 18, 19 of the groove 16, 17 is pressed.
  • the sliding blocks 46 can be made of hardened steel or preferably made of brass, so that between the Slide blocks 46 and the guide strips 23, 24 no Abrasion occurs.
  • the sliding blocks 46 are with a such pressure against the guide strips 23, 24, which is slightly larger than that on the cutting knife bars 21, 22 acting in the opposite direction centrifugal forces when the cutting cylinder rotates 1.
  • the between the lifting spindle 8 and the threaded spindle 11 arranged coupling 9 consists of a two-part bearing housing 48 connected by screws 47; 49, as Stator, the first part 48 positive and non-positive is connected to the threaded spindle 11.
  • 49 Inside the Bearing housing 48, 49 is that from the journal 2 of the Cutting cylinder 1 protruding one end of the Threaded spindle 11 in a roller bearing 51, for. B.
  • Thrust ball bearings and screwed on Cover disc 52 held as a rotor, so that when rotating of the cutting cylinder 1, the lifting spindle 8 also rotates, while the clutch 9 with its two-part Bearing housing 48, 49 and the one with the first Bearing housing part 48 firmly connected threaded spindle 11 - Stator - remains fixed to the frame.
  • FIG. 5 A second embodiment of a drive Lifting spindle 8 according to FIG. 1 is shown in FIG. 5.
  • the Lifting spindle 8 is via a bearing 53, which consists of a two-part bearing housing connected by screws 47 54, 55 exists, with a piston rod 57 a double acting pneumatic working cylinder 58 connected.
  • This working cylinder 58 is a bearing block 59 with the left side frame 4 by means of screws 15 attached.
  • Analog of the clutch 9 this is from the Axle journal 2 of the cutting cylinder 1 protruding end the threaded spindle 11 in a roller bearing 51, for.
  • B. Axial ball bearings, stored and by means of a screwed cover plate 52 held so that when Rotating the cutting cylinder 1, the lifting spindle 8 co-rotates while the bearing 53 with its two-part bearing housing 54, 55 and the one with the first Bearing housing part 54 firmly connected piston rod 57 remains fixed to the frame.
  • the piston rod 57 is through a Bore 61 of the bearing block 59 out.
  • the working cylinder 58 has two connecting pieces 62, 63 for compressed air, the valves not shown with a Compressed air system are connected.
  • the towards Shell surface of the cutting cylinder 1 facing ends of the Stud bolts 34, 35 are 65, 66; 67, 68 designated.
  • the lifting spindle 8 ends in one electric linear drive or linear motor 69, which in a cavity 71 of the cutting cylinder 1 according to FIG. 6 is arranged and a lifting force on the lifting spindle 8 exerts in the axial direction.
  • a linear motor 69 is in a brochure from Lintrol Systems (U.K.) Ltd., Loughborough, England.
  • the axle journal 2 can be accessed by the hollow space 71 by means of machine screws 72 with the front of the Cutting cylinder 1 non-positively and positively connected his.
  • the lifting spindle 8 also ends 7 inside the cutting cylinder 1 and is on its end facing the left journal 2 as Rack 78 formed.
  • the rack 78 meshes with a pinion 79, which in turn is power and positively arranged with a cylinder electric gear motor 81 is connected.
  • the Transmission of the control impulses and the power current can, as already described in FIG. 6, both via commonly known electrical slip ring systems as also by means of contactless already described above Power transmission takes place.
  • the gear motor 81 as well the associated pinion 79 are in a cavity 82 of the cutting cylinder 1 housed, which, for. B. about at the front of the cutting cylinder 1 screwed axle 2 is accessible.
  • a Cutting knife bar 22 with its guide bar 24 in a groove 17 extending in the axial direction.
  • the circumferential direction has the bottom 19 of the groove 17th facing side of the cutting knife bar 22 integral pins 96, 97, which force and form-fitting in grooves 114, 115 with rounded ends engage in the bottom surface 19 at an angle ⁇ run to a center line 42 of the cutting cylinder 1.
  • the cutting knife bar 22 is actuated by a cylinder-fixed actuating means 116 by an amount a in Direction of the center line 42 of the cutting cylinder 1 extending angle ⁇ , so that a maximum of an offset c the cutting knife bar 22 in the circumferential direction of the Cutting cylinder 1 is achieved.
  • springs 118 preferably Leaf springs, non-positively arranged, the e.g. B. by means of grooved pins with the side wall 87 of the groove 17 are connected.
  • the cutting knife bar is now in place 22 constantly under tension.
  • adjusting means 116 a known electromagnet, a linear motor 69, a Gear motor 81 with pinion 79, which in a Rack 78 engages from a pneumatic Working cylinder 58 or from a previously described piezoelectric force transducers exist, which over a bearing 119 fixed to the cylinder and a bearing 121 with the Underside of the guide bar 24 non-positively connected is. It can be on the opposite end of the Cutting knife bar 22 a second adjusting means 116, 113, 119 may be arranged.
  • the energy transfer can, like already described above, for compressed air Rotary transformer 86 or for electrical energy by means of known slip ring system or by means of non-contact Power transmission devices 74, 76, 77 take place. This also applies analogously to the adjustment of the second arranged on the circumference of the cutting cylinder 1 Cutting knife bar 21.
  • a Cutting knife bar 22 with its guide bar 24 in a groove 17 extending in the axial direction has the bottom 19 of the groove 17th facing side of the cutter bar 22 two grooves 122, 123 with rounded ends, into which cylinder-fixed pins 125, 126 non-positive and positive intervention.
  • the grooves 122, 123 run in one Angle ⁇ to a center line 42 of the cutting cylinder 1.
  • the cutting knife bar 22 is actuated by a cylinder-fixed actuating means 116 by an amount a in Direction of the center line 42 of the cutting cylinder 1 extending angle ⁇ , so that a maximum of an offset c the cutting knife bar 22 in the circumferential direction of the Cutting cylinder 1 is achieved.
  • a cylinder-fixed actuating means 116 Analogous to the illustration 14 and 15 are springs 118, in particular Leaf springs are provided around the cutter bar 22 keep under tension. It can be the same Setting means 116 as in the eighth embodiment in 14 to 16 are used with an arrangement above Bearings 119, 121. It is also possible to use the adjusting means 116 18 and FIG.
  • the two-armed lever 127 is approximately in the middle through one frame-fixed bearing 128 held and points to his Each end has a joint 129, 130. It can at the opposite end face of the cutting knife bar 22 a second adjusting means 116, 121, 130, 128, 129 be arranged.
  • the energy transfer can, like also already set out. This applies analogously also for the adjustment of the second on the circumference of the Cutting cylinder 1 arranged cutting knife bar 21st

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Details Of Cutting Devices (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Nonmetal Cutting Devices (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

A device for adjusting cutting sticks (21, 22) on a cutting cylinder (1) for transversely cutting a paper web for collect and non-collect run production is to be compact and easy to operate. This is achieved in that the base surfaces of the cutting sticks (21, 22) have acute-angled slots (α) in which engage studs (34, 35) which in turn can be axially moved by a drive so that the cutting sticks (21, 22) move on the cutting cylinder in the peripheral direction.

Description

Die Erfindung betrifft eine Einrichtung zum Verstellen einer Schneidmesserleiste für einen Schneidzylinder einer Rotationsdruckmaschine entsprechend dem Oberbegriff des Patentanspruches 1.The invention relates to a device for adjusting a cutting knife bar for a cutting cylinder Rotary printing machine according to the preamble of Claim 1.

Bei einer Schneid- und Sammelvorrichtung für Rotationsdruckmaschinen ist es aus der DE-C-6 71 790 bekannt, einen Schneidzylinder einzusetzen, der mit einem Sammelzylinder zusammenarbeitet, der in seinem Umfang drei Nutleisten aufweist. Der Sammelzylinder dient zum stetig wechselnden Schneiden und zum Sammeln von zwei etwas unterschiedlich langen Zuschnitten, welche nach dem gemeinsamen Querfalzen gleiche Kantenlängen aufweisen sollen. Deshalb sind die beiden Schneidmesser des Schneidzylinders in Umfangsrichtung einmal etwas mehr und einmal etwas weniger als 180° zueinander angeordnet.With a cutting and collecting device for Rotary printing presses are from DE-C-6 71 790 known to use a cutting cylinder with a Collection cylinder works together in its scope has three groove strips. The collecting cylinder is used for constantly changing cutting edges and for collecting two somewhat different lengths, which after the common cross folds have the same edge lengths should. That is why the two cutting knives are the Cutting cylinder in the circumferential direction once more and once slightly less than 180 ° to each other.

Durch die EP-A-03 64 864 ist eine gattungsgemäße Einrichtung zum Verstellen einer Schneidmesserleiste eines Schneidzylinders im Falzapparat einer Rotationsdruckmaschine bekannt, mit welchem die unterschiedliche Schnittlänge der Zuschnitte dadurch einstellbar ist, daß der Schneidzylinder mit zwei am Umfang angeordneten Schneidmessern aus einem inneren und einem äußeren Zylinder besteht, die beide in Umfangsrichtung zueinander verstellbar sind. Dies geschieht durch einen im Maschinengestell angeordneten zusätzlichen zweiten Räderzug. Nachteilig hierbei ist ein Mehraufwand an Maschinenelementen sowie eine Vergrößerung des Bauvolumens des genannten Falzapparates.EP-A-03 64 864 is a generic one Device for adjusting a cutting knife bar a cutting cylinder in the folder one Rotary printing machine known with which the different cutting lengths of the blanks is adjustable that the cutting cylinder with two am Circumferentially arranged cutting knives from an inner and an outer cylinder, both in Are mutually adjustable circumferential direction. This happens through a arranged in the machine frame additional second gear train. The disadvantage here is a Additional expenditure on machine elements as well as an enlargement of the construction volume of the folder mentioned.

Die US-A-4 338 087 beschreibt eine Vorrichtung zum Falzen von Bahnen mittels eines Greifers und eines Falzmessers. Zum öffnen und Schließen des Greifers wird eine Leiste in axialer Richtung des Falzzylinders periodisch bewegt. Diese axiale Bewegung wird mittels schrägverlaufender Nuten und Bolzen in eine Bewegung in Umfangsrichtung des Falzzylinders übertragen.US-A-4 338 087 describes an apparatus for Folding webs with a gripper and one Folding knife. To open and close the gripper a bar in the axial direction of the folding cylinder periodically moved. This axial movement is by means of oblique grooves and bolts in one movement Transfer circumferential direction of the folding cylinder.

Der Erfindung liegt die Aufgabe zugrunde, eine Einrichtung zum Verstellen der Schneidmesserleisten eines zwei Schneidmesserleisten aufweisenden Schneidzylinders eines Falzapparates zu schaffen.The invention has for its object a Device for adjusting the cutting knife bars two cutting cylinder bars with cutting blades to create a folder.

Erfindungsgemäß geschieht dies durch das Kennzeichen des Patentanspruches 1.According to the invention, this is done by the characteristic of Claim 1.

Durch die Erfindung werden insbesondere folgende Vorteile erzielt. Durch eine außerhalb des seitengestells angeordnete Betätigungseinrichtung zum verstellen der Messerbalken wird das Bauvolumen der Einrichtung nicht vergrößert. Die Einrichtung ist von der Bedienseite der Maschine aus leicht zu betätigen und weist kostengünstige Konstruktionselemente auf. Die Einrichtung kann leicht bei einer Umstellung des Falzapparates von Doppelproduktion auf Sammelproduktion und umgekehrt von Lang-Lang-Schnitt auf Lang-Kurz-Schnitt umgestellt werden. Außerdem ist eine stufenlose Verstellung möglich.The invention provides the following advantages in particular achieved. Through one outside the side frame arranged actuator for adjusting the The construction volume of the facility will not be cut enlarged. The facility is from the operating side of the Machine made easy to operate and inexpensive Construction elements. The setup can easily be done at a conversion of the folder from double production to Collective production and vice versa from long-long cut to Long-short cut can be changed. Besides, one is stepless adjustment possible.

Die Erfindung wird nachfolgend an mehreren Ausführungsbeispielen näher erläutert. In der zugehörigen Zeichnung zeigt

Fig. 1
die Draufsicht auf einen Messerzylinder;
Fig. 2
einen Schnitt II - II nach Fig. 1;
Fig. 3
eine vergrößerte Darstellung einer Schneidmesserleiste nach Fig. 2;
Fig. 4
einen Teilschnitt IV - IV nach Fig. 2, um 90° gedreht dargestellt;
Fig. 5
ein zweites Ausführungsbeispiel eines Antriebes der Hubspindel nach Fig. 1;
Fig. 6
ein drittes Ausführungsbeispiel eines Antriebes der Hubspindel analog einer Darstellung nach Fig. 4;
Fig. 7
ein viertes Ausführungsbeispiel eines Antriebes der Hubspindel analog einer Darstellung nach Fig. 4;
Fig. 8
eine Draufsicht auf einen Schneidzylinder mit einem fünften Ausführungsbeispiel einer Einrichtung;
Fig. 9
einen Schnitt IX - IX nach Fig. 8;
Fig. 10
einen Teilschnitt X - X nach Fig. 8;
Fig. 11
eine Draufsicht auf einen Schneidzylinder mit einem sechsten Ausführungsbeispiel einer Einrichtung;
Fig. 12
einen Schnitt XII - XII nach Fig. 11;
Fig. 13
einen Teilschnitt XIII - XIII nach Fig. 12.
The invention is explained in more detail below using several exemplary embodiments. In the accompanying drawing shows
Fig. 1
the top view of a knife cylinder;
Fig. 2
a section II - II of FIG. 1;
Fig. 3
an enlarged view of a cutting knife bar of FIG. 2;
Fig. 4
a partial section IV - IV of Figure 2, shown rotated by 90 °.
Fig. 5
a second embodiment of a drive of the lifting spindle of FIG. 1;
Fig. 6
a third embodiment of a drive of the lifting spindle analogous to a representation according to FIG. 4;
Fig. 7
a fourth embodiment of a drive of the lifting spindle analogous to a representation according to FIG. 4;
Fig. 8
a plan view of a cutting cylinder with a fifth embodiment of a device;
Fig. 9
a section IX - IX of FIG. 8;
Fig. 10
a partial section X - X of FIG. 8;
Fig. 11
a plan view of a cutting cylinder with a sixth embodiment of a device;
Fig. 12
a section XII - XII of FIG. 11;
Fig. 13
a partial section XIII - XIII of FIG. 12.

Ein Schneidzylinder 1 - wie in Fig. 1 gezeigt - ist über seine Achszapfen 2, 3 in Seitengestellen gelagert, von denen nur das linke Seitengestell 4 dargestellt ist. Der Achszapfen 2 ist in einem Zylinderrollenlager 6, welches als Loslager ausgeführt ist, gelagert. Eine in einer zentrischen Bohrung 7 des Schneidzylinders 1 angeordnete, in axialer Richtung um eine Hublänge a bewegbare Hubspindel 8 ist außerhalb des Achszapfens 2 und jenseits des linken Seitengestells 4 über eine Kupplung 9 und eine Gewindespindel 11 mit einer Handhabe, z. B. einem Handrad 12 verbunden. Die Gewindespindel 11 ist durch eine Gewindebohrung 13 eines gestellfesten Lagerbocks 14 geführt. Sowohl das Zylinderrollenlager 6 als auch der Lagerbock 14 ist mittels Schrauben 15, z. B. Zylinderschrauben, gestellfest angeordnet. Die Bohrung 7 weist eine entsprechende Passung auf, so daß das Lagerspiel zwischen der Hubspindel 8 und der Bohrung 7 minimiert ist.A cutting cylinder 1 - as shown in Fig. 1 - is over its journals 2, 3 stored in side frames, from which only the left side frame 4 is shown. The Axle journal 2 is in a cylindrical roller bearing 6, which is designed as a floating bearing. One in one centric bore 7 of the cutting cylinder 1 arranged, movable in the axial direction by a stroke length a Lifting spindle 8 is outside of the journal 2 and beyond the left side frame 4 via a coupling 9 and Threaded spindle 11 with a handle, for. B. a handwheel 12 connected. The threaded spindle 11 is by a Threaded bore 13 of a bearing block 14 fixed to the frame guided. Both the cylindrical roller bearing 6 and the Bearing bracket 14 is by means of screws 15, for. B. Cylinder screws, fixed to the frame. Hole 7 has a corresponding fit, so that the Bearing clearance between the lifting spindle 8 and the bore 7 is minimized.

Der Schneidzylinder 1 weist - wie in Fig. 2 dargestellt - an seinem Umfang zwei sich diametral gegenüberstehende und in achsparalleler Richtung verlaufende Nuten 16, 17 mit Bodenflächen 18; 19 auf, in welchen Schneidmesserleisten 21, 22 angeordnet sind. Die Schneidmesserleisten 21, 22 bestehen jeweils aus einer auf der Bodenfläche 18, 19 der Nut 16, 17 angeordneten Führungsleiste 23, 24 mit rechteckigem Querschnitt. Mit der Führungsleiste 23, 24 ist kraft- und formschlüssig mittels Schrauben 26, z. B. zylinderkopfschrauben, eine Messereinsatzleiste 27, 28 verbunden, welche jeweils in achsparalleler Richtung ein aus der Messereinsatzleiste 27, 28 herausstehendes Schneidmesser 29, 30 trägt. Die Fährungsleisten 23, 24 können zusammen mit den Messereinsatzleisten 27, 28 einstückig ausgeführt sein.The cutting cylinder 1 has - as in FIG. 2 shown - two diametrically on its circumference opposite and in the axis-parallel direction running grooves 16, 17 with bottom surfaces 18; 19 on, in which cutting knife bars 21, 22 are arranged. The Cutting knife bars 21, 22 each consist of a arranged on the bottom surface 18, 19 of the groove 16, 17 Guide bar 23, 24 with a rectangular cross section. With the guide bar 23, 24 is non-positive and positive by means of screws 26, e.g. B. cylinder head bolts, a Knife insert bar 27, 28 connected, each in axially parallel direction on from the knife insert 27, 28 protruding cutting knife 29, 30 carries. The Tracking strips 23, 24 can be used together with the Knife insert strips 27, 28 can be made in one piece.

Entsprechend den Fig. 2 und 4 weist der Teil der innerhalb des Schneidzylinders 1 befindlichen Hubspindel 8 zwei Bohrungen 32, 33 in radialer Richtung auf, durch welche beidseitig, sich jeweils in radialer Richtung erstreckende Stehbolzen 34, 35 angeordnet sind.According to FIGS. 2 and 4, the part of the lifting spindle located within the cutting cylinder 1 8 two holes 32, 33 in the radial direction, through which on both sides, each in the radial direction extending stud bolts 34, 35 are arranged.

Von der zentrischen Bohrung 7 aus verlaufen in radialer Richtung jeweils diametral angeordnete Kanäle 37, 38, in denen die Stehbolzen 34, 35 verlaufen. Die Stehbolzen 34, 35 greifen in rundstirnige Nuten 39, 40 ein, die in Führungsleisten 23, 24 der Schneidmesserleisten 21, 22 angeordnet sind. Die Nuten 39, 40 können als Langlöcher ausgebildet sein.From the central bore 7 run in a radial Direction in each case diametrically arranged channels 37, 38, in which the stud bolts 34, 35 extend. The stud bolts 34, 35 engage in rounded grooves 39, 40, which in Guide strips 23, 24 of the cutting knife strips 21, 22 are arranged. The grooves 39, 40 can be elongated holes be trained.

Die Nuten 39, 40 in den Führungsleisten 23, 24 verlaufen in einem Winkel α mit einem Betrag im Bereich von 2° bis 10° zu einer axialen Mittellinie 42 des Schneidzylinders 1. Die in Fig. 1 bis 3 abgebildeten Darstellungen zeigen die Schneidmesser 29, 30 in der Stellung "Nicht-Sammelproduktion", d. h. die Schneidmesser 29, 30 verlaufen in der Flucht der Mittellinie 42. Zur Verminderung des Lagerspiels der an den Schneidmesserleisten 21, 22 befestigten Führungsleisten 23, 24 sind in achsparalleler Richtung zu den Stehbolzen 34, 35 verlaufende, beidseits der Nut 16,
17 in der Mantelfläche des Schneidzylinders 1 in Gewindebohrungen angeordnete Schrauben 43 vorgesehen, welche jeweils über eine in Fig. 2 und 3 angedeutete Druckfeder 44 einen Gleitstein 46 gegen die Führungsleiste 23, 24 drückt, so daß die Führungsleiste 23, 24 gegen die Bodenfläche 18, 19 der Nut 16, 17 gepreßt wird.
The grooves 39, 40 in the guide strips 23, 24 run at an angle α with an amount in the range from 2 ° to 10 ° to an axial center line 42 of the cutting cylinder 1. The illustrations shown in FIGS. 1 to 3 show the cutting knives 29, 30 in the "non-collective production" position, that is to say the cutting knives 29, 30 are aligned with the center line 42 running, on both sides of the groove 16,
17 provided in the lateral surface of the cutting cylinder 1 in threaded bores 43, each of which presses a sliding block 46 against the guide bar 23, 24 via a compression spring 44 indicated in FIGS. 2 and 3, so that the guide bar 23, 24 against the bottom surface 18, 19 of the groove 16, 17 is pressed.

Die Gleitsteine 46 können aus gehärtetem Stahl oder vorzugsweise aus Messing bestehen, so daß zwischen den Gleitsteinen 46 und den Führungsleisten 23, 24 kein Abrieb entsteht. Die Gleitsteine 46 werden mit einem solchen Druck gegen die Führungsleisten 23, 24 gedrückt, der etwas größer ist als die auf die Schneidmesserleisten 21, 22 in Gegenrichtung einwirkenden Zentrifugalkräfte bei Rotation des Schneidzylinders 1.The sliding blocks 46 can be made of hardened steel or preferably made of brass, so that between the Slide blocks 46 and the guide strips 23, 24 no Abrasion occurs. The sliding blocks 46 are with a such pressure against the guide strips 23, 24, which is slightly larger than that on the cutting knife bars 21, 22 acting in the opposite direction centrifugal forces when the cutting cylinder rotates 1.

Die zwischen der Hubspindel 8 und der Gewindespindel 11 angeordnete Kupplung 9 besteht aus einem zweiteiligen mittels Schrauben 47 verbundenen Lagergehäuse 48; 49, als Stator, dessen erstes Teil 48 form- und kraftschlüssig mit der Gewindespindel 11 verbunden ist. Im Inneren des Lagergehäuses 48, 49 ist das aus dem Achszapfen 2 des Schneidzylinders 1 herausragende eine Ende der Gewindespindel 11 in einem Wälzlager 51, z. B. Axialkugellager gelagert und mittels einer angeschraubten Deckscheibe 52, als Rotor, gehalten, so daß beim Rotieren des Schneidzylinders 1 die Hubspindel 8 mitrotiert, während die Kupplung 9 mit ihrem zweiteiligen Lagergehäuse 48, 49 sowie die mit dem ersten Lagergehäuseteil 48 fest verbundene Gewindespindel 11 - Stator - gestellfest bleibt.The between the lifting spindle 8 and the threaded spindle 11 arranged coupling 9 consists of a two-part bearing housing 48 connected by screws 47; 49, as Stator, the first part 48 positive and non-positive is connected to the threaded spindle 11. Inside the Bearing housing 48, 49 is that from the journal 2 of the Cutting cylinder 1 protruding one end of the Threaded spindle 11 in a roller bearing 51, for. B. Thrust ball bearings and screwed on Cover disc 52, held as a rotor, so that when rotating of the cutting cylinder 1, the lifting spindle 8 also rotates, while the clutch 9 with its two-part Bearing housing 48, 49 and the one with the first Bearing housing part 48 firmly connected threaded spindle 11 - Stator - remains fixed to the frame.

Sollen nun die Schneidmesser 29, 30 von der "Nicht-Sammelproduktion" auf "Sammelproduktion" umgestellt werden, d. h. es werden zwei unterschiedlich lange Zuschnitte erzeugt, dann wird durch das Drehen des Handrades 12 in Gegenuhrzeigersinn die Hubspindel 8 um den Betrag a in Pfeilrichtung B bewegt. Dies ist durch die gestrichelte Darstellung des Handrades 12 in Fig. 1 gezeigt, welches um den Betrag a in Richtung B bewegt wurde. Durch die axiale Bewegung beider Stehbolzen 34, 35 entlang der Mittellinie 42, ebenfalls in Pfeilrichtung B, wird infolge der um den Winkel α zur Mittellinie 42 schräggeführten rundstirnigen Nuten 39, 40 eine Bewegung der in den Nuten 16, 17 angeordneten Schneidmesserleisten 21, 22 um den Betrag oder Versatz c von ca. 2,5 mm in Pfeilrichtung D ausgeführt. Dadurch werden sowohl Zuschnitte erzeugt, die beidseitig eine Zuschnittlänge von - 2 ° c aufweisen als auch Zuschnitte mit einer Zuschnittlänge von + 2 ° c aufweisen.Now the cutting knives 29, 30 of the "Non-Collective Production" to "Collective Production" be converted, d. H. there will be two different long blanks, then turning the Handwheel 12 counterclockwise the lifting spindle 8 moves the amount a in the direction of arrow B. This is through the dashed representation of the handwheel 12 in Fig. 1st shown, which moves in the direction B by the amount a has been. Due to the axial movement of both stud bolts 34, 35 along the center line 42, also in the direction of the arrow B, is due to the angle α to the center line 42nd inclined round-end grooves 39, 40 a movement the cutting knife bars arranged in the grooves 16, 17 21, 22 by the amount or offset c of approximately 2.5 mm in Direction of arrow D executed. This will both Cuts are generated that have a cut length on both sides of - 2 ° c as well as blanks with a Have a cutting length of + 2 ° c.

Ein zweites Ausführungsbeispiel eines Antriebes der Hubspindel 8 nach Fig. 1 ist in Fig. 5 gezeigt. Die Hubspindel 8 ist über ein Lager 53, welches aus einem zweiteiligen durch Schrauben 47 verbundenen Lagergehäuse 54, 55 besteht, mit einer Kolbenstange 57 eines doppelt wirkenden pneumatischen Arbeitszylinders 58 verbunden. A second embodiment of a drive Lifting spindle 8 according to FIG. 1 is shown in FIG. 5. The Lifting spindle 8 is via a bearing 53, which consists of a two-part bearing housing connected by screws 47 54, 55 exists, with a piston rod 57 a double acting pneumatic working cylinder 58 connected.

Dieser Arbeitszylinder 58 ist über einen Lagerbock 59 mit dem linken Seitengestell 4 jeweils mittels Schrauben 15 befestigt. Analog der Kupplung 9 ist das aus dem Achszapfen 2 des Schneidzylinders 1 herausragende Ende der Gewindespindel 11 in einem Wälzlager 51, z. B. Axialkugellager, gelagert und mittels einer angeschraubten Deckscheibe 52 gehalten, so daß beim Rotieren des Schneidzylinders 1 die Hubspindel 8 mitrotiert, während das Lager 53 mit seinem zweiteiligen Lagergehäuse 54, 55 sowie die mit dem ersten Lagergehäuseteil 54 fest verbundene Kolbenstange 57 gestellfest bleibt. Die Kolbenstange 57 ist durch eine Bohrung 61 des Lagerbocks 59 geführt. Der Arbeitszylinder 58 weist zwei Anschlußstutzen 62, 63 für Druckluft auf, die über nicht dargestellte Ventile mit einer Druckluftanlage verbunden sind. Die in Richtung Mantelfläche des Schneidzylinders 1 weisenden Enden der Stehbolzen 34, 35 sind mit 65, 66; 67, 68 bezeichnet.This working cylinder 58 is a bearing block 59 with the left side frame 4 by means of screws 15 attached. Analog of the clutch 9, this is from the Axle journal 2 of the cutting cylinder 1 protruding end the threaded spindle 11 in a roller bearing 51, for. B. Axial ball bearings, stored and by means of a screwed cover plate 52 held so that when Rotating the cutting cylinder 1, the lifting spindle 8 co-rotates while the bearing 53 with its two-part bearing housing 54, 55 and the one with the first Bearing housing part 54 firmly connected piston rod 57 remains fixed to the frame. The piston rod 57 is through a Bore 61 of the bearing block 59 out. The working cylinder 58 has two connecting pieces 62, 63 for compressed air, the valves not shown with a Compressed air system are connected. The towards Shell surface of the cutting cylinder 1 facing ends of the Stud bolts 34, 35 are 65, 66; 67, 68 designated.

Bei einem dritten Ausführungsbeispiel eines Antriebes der die Stehbolzen 34, 35 tragenden, in axialer Richtung bewegbaren Hubspindel 8 endet die Hubspindel 8 in einem elektrischen Linearantrieb oder Linearmotor 69, welcher in einem Hohlraum 71 des Schneidzylinders 1 nach Fig. 6 angeordnet ist und eine Hubkraft auf die Hubspindel 8 in axialer Richtung ausübt. Ein derartiger Linearmotor 69 ist in einem Prospekt der Fa. Lintrol Systems (U.K.) Ltd., Loughborough, England beschrieben. Zur besseren Zugänglichkeit des Hohlraumes 71 kann der Achszapfen 2 mittels Maschinenschrauben 72 mit der Stirnseite des Schneidzylinders 1 kraft- und formschlüssig verbunden sein. Die Übertragung der Steuerimpulse sowie des Kraftstromes für den Linearmotor 69 kann über bekannte, mit den Achszapfen 2, 3 in Verbindung stehende elektrische Schleifringsysteme erfolgen. Es ist jedoch auch möglich, die elektrische Antriebsenergie, Befehle und Impulse berührungslos in den rotierenden Schneidzylinder 1 zu übertragen. Diese Übertragung erfolgt in der Weise, daß z. B. auf einem Achszapfen 2 des Schneidzylinders 1 konzentrisch zu seiner Rotationsachse 73 eine Sekundärspule 74 mit einer Sekundärelektronik angeordnet ist, die sowohl mit einer geringfügig beabstandeten - ca. 1 mm - und ebenfalls mit einer konzentrisch zur Rotationsachse 73 fest am Seitengestell 4 angeordneten Primärspule 76 zusammenwirkt, die wiederum mit einer Primärelektronik 77 in Verbindung steht. Diese Primärelektronik 77 kann in einem beliebigen Abstand, z. B. ebenfalls an der Innenseite des Seitengestells 4 untergebracht sein. Ein derartiges berührungsloses System zur Leistungsübertragung wird z. B. von der Fa. MESA Systemtechnik GmbH in Konstanz angeboten.In a third embodiment of a drive the studs 34, 35 supporting, in the axial direction movable lifting spindle 8, the lifting spindle 8 ends in one electric linear drive or linear motor 69, which in a cavity 71 of the cutting cylinder 1 according to FIG. 6 is arranged and a lifting force on the lifting spindle 8 exerts in the axial direction. Such a linear motor 69 is in a brochure from Lintrol Systems (U.K.) Ltd., Loughborough, England. For better The axle journal 2 can be accessed by the hollow space 71 by means of machine screws 72 with the front of the Cutting cylinder 1 non-positively and positively connected his. The transmission of the control impulses as well as the Force current for the linear motor 69 can be known, connected with the axle journals 2, 3 electrical slip ring systems take place. However, it is also possible, the electric drive energy, commands and impulses without contact in the rotating To transfer cutting cylinder 1. This transfer takes place in such a way that z. B. on a journal 2 of the cutting cylinder 1 concentric to it Rotation axis 73 a secondary coil 74 with a Secondary electronics is arranged, both with a slightly spaced - about 1 mm - and also with one concentrically to the axis of rotation 73 on Side frame 4 arranged primary coil 76th cooperates, which in turn with primary electronics 77 communicates. This primary electronics 77 can in any distance, e.g. B. also at the Be housed inside the side frame 4. On such a non-contact system for Power transmission is e.g. B. from MESA Systemtechnik GmbH offered in Constance.

Bei einem vierten Ausführungsbeispiel eines Antriebes der die Stehbolzen 34, 35 tragenden in axialer Richtung bewegbaren Hubspindel 8 endet die Hubspindel 8 ebenfalls nach Fig. 7 im Inneren des Schneidzylinders 1 und ist an ihrem dem linken Achszapfen 2 zugewandten Ende als Zahnstange 78 ausgebildet. Die Zahnstange 78 kämmt mit einem Ritzel 79, welches wiederum kraft- und formschlüssig mit einem zylinderfest angeordneten elektrischen Getriebemotor 81 verbunden ist. Die Übertragung der Steuerimpulse sowie des Kraftstromes kann, wie bereits bei Fig. 6 beschrieben, sowohl über allgemein bekannte elektrische Schleifringsysteme als auch mittels bereits oben beschriebener berührungsloser Leistungsübertragung erfolgen. Der Getriebemotor 81 sowie das damit verbundene Ritzel 79 sind in einem Hohlraum 82 des Schneidzylinders 1 untergebracht, welcher z. B. über den an der Stirnseite des Schneidzylinders 1 aufgeschraubten Achszapfen 2 zugängig ist. In a fourth embodiment of a drive the stud bolts 34, 35 bear in the axial direction movable lifting spindle 8, the lifting spindle 8 also ends 7 inside the cutting cylinder 1 and is on its end facing the left journal 2 as Rack 78 formed. The rack 78 meshes with a pinion 79, which in turn is power and positively arranged with a cylinder electric gear motor 81 is connected. The Transmission of the control impulses and the power current can, as already described in FIG. 6, both via commonly known electrical slip ring systems as also by means of contactless already described above Power transmission takes place. The gear motor 81 as well the associated pinion 79 are in a cavity 82 of the cutting cylinder 1 housed, which, for. B. about at the front of the cutting cylinder 1 screwed axle 2 is accessible.

Bei einem fünften Ausführungsbeispiel der Einrichtung ist wie in Fig. 8 bis 10 dargestellt, eine Schneidmesserleiste 22 mit ihrer Führungsleiste 24 in einer in axialer Richtung verlaufenden Nut 17 angeordnet. Zum Erzielen einer Bewegung der Schneidmesserleiste 22 in Umfangsrichtung weist die dem Boden 19 der Nut 17 zugewandte Seite der Schneidmesserleiste 22 stoffschlüssige Zapfen 96, 97 auf, welche kraft- und formschlüssig in rundstirnig begrenzte Nuten 114, 115 eingreifen, die in der Bodenfläche 19 in einem Winkel α zu einer Mittellinie 42 des Schneidzylinders 1 verlaufen.In a fifth embodiment of the device as shown in Figs. 8-10, a Cutting knife bar 22 with its guide bar 24 in a groove 17 extending in the axial direction. To achieve movement of the cutting knife bar 22 in The circumferential direction has the bottom 19 of the groove 17th facing side of the cutting knife bar 22 integral pins 96, 97, which force and form-fitting in grooves 114, 115 with rounded ends engage in the bottom surface 19 at an angle α run to a center line 42 of the cutting cylinder 1.

Die Betätigung der Schneidmesserleiste 22 erfolgt durch ein zylinderfestes Stellmittel 116 um einen Betrag a in Richtung des zur Mittellinie 42 des Schneidzylinders 1 verlaufenden Winkels α, so daß maximal ein Versatz c der Schneidmesserleiste 22 in Umfangsrichtung des Schneidzylinders 1 erzielt wird. Zwischen einer Seitenwand 87 der Nut 17 und einer Längsseite 117 der Messereinsatzleiste 28 sind Federn 118, vorzugsweise Blattfedern, einseitig kraftschlüssig angeordnet, die z. B. mittels Kerbstiften mit der Seitenwand 87 der Nut 17 verbunden sind. Damit steht die Schneidmesserleiste 22 ständig unter Vorspannung. Als Stellmittel 116 kann ein bekannter Elektromagnet, ein Linearmotor 69, ein Getriebemotor 81 mit Ritzel 79, welches in eine Zahnstange 78 eingreift, aus einem pneumatischen Arbeitszylinder 58 oder aus einem vorbeschriebenen piezoelektrischen Kraftaufnehmer bestehen, welches über ein Lager 119 zylinderfest und über ein Lager 121 mit der Unterseite der Führungsleiste 24 kraftschlüssig verbunden ist. Es kann an der gegenüberliegenden Stirnseite der Schneidmesserleiste 22 ein zweites Stellmittel 116, 113, 119 angeordnet sein. Die Energieübertragung kann, wie bereits vorbeschrieben, für Druckluft mittels Drehübertrager 86 oder für elektrische Energie mittels bekanntem Schleifringsystem oder mittels berührungsloser Leistungsübertragungseinrichtungen 74, 76, 77 erfolgen. Dies gilt sinngemäß auch für die Verstellung der zweiten am Umfang des Schneidzylinders 1 angeordneten Schneidmesserleiste 21.The cutting knife bar 22 is actuated by a cylinder-fixed actuating means 116 by an amount a in Direction of the center line 42 of the cutting cylinder 1 extending angle α, so that a maximum of an offset c the cutting knife bar 22 in the circumferential direction of the Cutting cylinder 1 is achieved. Between one Side wall 87 of the groove 17 and a long side 117 of the Knife insert bar 28 are springs 118, preferably Leaf springs, non-positively arranged, the e.g. B. by means of grooved pins with the side wall 87 of the groove 17 are connected. The cutting knife bar is now in place 22 constantly under tension. Can be used as adjusting means 116 a known electromagnet, a linear motor 69, a Gear motor 81 with pinion 79, which in a Rack 78 engages from a pneumatic Working cylinder 58 or from a previously described piezoelectric force transducers exist, which over a bearing 119 fixed to the cylinder and a bearing 121 with the Underside of the guide bar 24 non-positively connected is. It can be on the opposite end of the Cutting knife bar 22 a second adjusting means 116, 113, 119 may be arranged. The energy transfer can, like already described above, for compressed air Rotary transformer 86 or for electrical energy by means of known slip ring system or by means of non-contact Power transmission devices 74, 76, 77 take place. This also applies analogously to the adjustment of the second arranged on the circumference of the cutting cylinder 1 Cutting knife bar 21.

Bei einem sechsten Ausführungsbeispiel der Einrichtung ist wie in Fig. 11 bis 13 dargestellt, eine Schneidmesserleiste 22 mit ihrer Führungsleiste 24 in einer in axialer Richtung verlaufenden Nut 17 angeordnet. Zum Erzielen einer Bewegung der Schneidmesserleiste 22 in Umfangsrichtung weist die dem Boden 19 der Nut 17 zugewandte Seite der Schneidmesserleiste 22 zwei rundstirnig begrenzte Nuten 122, 123 auf, in welche zylinderfeste Zapfen 125, 126 kraft- und formschlüssig eingreifen. Die Nuten 122, 123 verlaufen in einem Winkel α zu einer Mittellinie 42 des Schneidzylinders 1.In a sixth embodiment of the device 11 to 13, a Cutting knife bar 22 with its guide bar 24 in a groove 17 extending in the axial direction. To achieve movement of the cutting knife bar 22 in The circumferential direction has the bottom 19 of the groove 17th facing side of the cutter bar 22 two grooves 122, 123 with rounded ends, into which cylinder-fixed pins 125, 126 non-positive and positive intervention. The grooves 122, 123 run in one Angle α to a center line 42 of the cutting cylinder 1.

Die Betätigung der Schneidmesserleiste 22 erfolgt durch ein zylinderfestes Stellmittel 116 um einen Betrag a in Richtung des zur Mittellinie 42 des Schneidzylinders 1 verlaufenden Winkels α, so daß maximal ein Versatz c der Schneidmesserleiste 22 in Umfangsrichtung des Schneidzylinders 1 erzielt wird. Analog der Darstellung in Fig. 14 und 15 sind Federn 118, insbesondere Blattfedern vorgesehen, um die Schneidmesserleiste 22 unter Vorspannung zu halten. Es können gleiche Stellmittel 116 wie beim achten Ausführungsbeispiel in Fig. 14 bis 16 verwendet werden mit einer Anordnung über Lager 119, 121. Es ist auch möglich, das Stellmittel 116 nach Fig. 18 und Fig. 19 über einen an der Stirnseite des Schneidzylinders 1 angeordneten zweiarmigen Hebel 127 mit der Schneidmesserleiste 22 bzw. der dazugehörigen Führungsleiste 24 kraftschlüssig zu verbinden. Der zweiarmige Hebel 127 ist etwa mittig durch ein gestellfestes Lager 128 gehalten und weist an seinen Enden jeweils ein Gelenk 129, 130 auf. Es kann an der gegenüberliegenden Stirnseite der Schneidmesserleiste 22 ein zweites Stellmittel 116, 121, 130, 128, 129 angeordnet sein. Die Energieübertragung kann, wie ebenfalls bereits dargelegt erfolgen. Dies gilt sinngemäß auch für die Verstellung der zweiten am Umfang des Schneidzylinders 1 angeordneten Schneidmesserleiste 21.The cutting knife bar 22 is actuated by a cylinder-fixed actuating means 116 by an amount a in Direction of the center line 42 of the cutting cylinder 1 extending angle α, so that a maximum of an offset c the cutting knife bar 22 in the circumferential direction of the Cutting cylinder 1 is achieved. Analogous to the illustration 14 and 15 are springs 118, in particular Leaf springs are provided around the cutter bar 22 keep under tension. It can be the same Setting means 116 as in the eighth embodiment in 14 to 16 are used with an arrangement above Bearings 119, 121. It is also possible to use the adjusting means 116 18 and FIG. 19 via a on the front side of the Cutting cylinder 1 arranged two-armed lever 127 with the cutting knife bar 22 or the associated Guide bar 24 to connect non-positively. The two-armed lever 127 is approximately in the middle through one frame-fixed bearing 128 held and points to his Each end has a joint 129, 130. It can at the opposite end face of the cutting knife bar 22 a second adjusting means 116, 121, 130, 128, 129 be arranged. The energy transfer can, like also already set out. This applies analogously also for the adjustment of the second on the circumference of the Cutting cylinder 1 arranged cutting knife bar 21st

Es sei ausdrücklich vermerkt, daß das Prinzip "in einem Winkel α schräggestellte Nut 39, 40; 113; 114; 122; 123 in Verbindung mit einem in die Nut 39, 40; 113, 114; 122, 123 eingreifenden zapfen 65, 67; 66, 68; 125, 126" zum Verschieben der Schneidmesserleisten 21; 22 in Umfangsrichtung des Schneidzylinders 1 auf dem Prinzip der "schiefen Ebene" beruht. Dabei stützt sich jeweils ein Teil vom Umfang eines Zapfens 65, 67; 66, 68; 125, 126 je nach Stellrichtung der Schneidmesserleisten 21; 22 auf einer ersten bzw. inneren "schräggestellten" Führungsfläche oder auf einer zweiten bzw. äußeren "schräggestellten" Führungsfläche der Nut 39, 40; 113, 114; 122, 123 ab:

  • 1a) die Nut 39, 40 in der Führungsleiste 24 wirkt zusammen mit einem in achsparalleler Richtung bewegbaren Zapfen 65, 67 (erste Enden der Stehbolzen 34, 35) - Fig. 4 -,
  • 1b) die Nut 39, 40 in der Führungsleiste 23 wirkt zusammen mit einem in achsparalleler Richtung bewegbaren Zapfen 66, 68 (zweite Enden der Stehbolzen 34, 35) - Fig. 4 -,
    Die Nuten 39, 40 in der Führungsleiste 23 verlaufen in Blickrichtung der Draufsicht auf den Schneidzylinder 1 in Fig. 1 gesehen, deckungsgleich mit den Nuten 39, 40 in der Führungsleiste 24, da eine Bewegung der Stehbolzen 34, 35 in axialer Richtung 42 eine Bewegung der Schneidmesserleisten 21, 22 aufeinander bewirken,
  • 2) eine zylinderfeste Nut 113, 114 befindet sich jeweils in der Bodenfläche 18; 19 der Zylindergrube 16; 17 und wirkt zusammen mit jeweils an der Schneidmesserleiste 21; 22 bzw. vorzugsweise der Führungsleiste 23; 24 befindlichen zapfen 96, 97 - Fig. 14 -.
    Auch hier verlaufen die Nuten 113, 114 in diesselbe Richtung, wie unter Punkt 1b) beschrieben.
  • 3) eine jeweils in der Schneidmesserleiste 21; 22 bzw. vorzugsweise der Führungsleiste 23; 24 befindliche Nut 122, 123 wirkt zusammen mit jeweils zwei zylinderfesten, auf der Bodenfläche 18; 19 der Zylindergrube 16; 17 befindlichen Zapfen 125, 126 - Fig. 17 -.
    Auch hier verlaufen die Nuten 122, 123 in diesselbe Richtung wie unter Punkt 1b) beschrieben.
  • It should be expressly noted that the principle "groove 39, 40; 113; 114; 122; 123 inclined at an angle α in conjunction with a pin 65, 67; engaging in the groove 39, 40; 113, 114; 122, 123; 66, 68; 125, 126 "for moving the cutting knife bars 21; 22 in the circumferential direction of the cutting cylinder 1 is based on the principle of the "inclined plane". A part of the circumference of a pin 65, 67; 66, 68; 125, 126 depending on the direction of adjustment of the cutting knife bars 21; 22 on a first or inner "inclined" guide surface or on a second or outer "inclined" guide surface of the groove 39, 40; 113, 114; 122, 123 from:
  • 1a) the groove 39, 40 in the guide bar 24 acts together with a pin 65, 67 which can be moved in the axially parallel direction (first ends of the stud bolts 34, 35) - FIG. 4 -,
  • 1b) the groove 39, 40 in the guide bar 23 interacts with a pin 66, 68 which can be moved in the axis-parallel direction (second ends of the stud bolts 34, 35) - FIG. 4 -,
    The grooves 39, 40 in the guide bar 23 run in the direction of the plan view of the cutting cylinder 1 in FIG. 1, congruent with the grooves 39, 40 in the guide bar 24, since a movement of the stud bolts 34, 35 in the axial direction 42 is a movement the cutting knife bars 21, 22 effect one another,
  • 2) a cylinder-fixed groove 113, 114 is located in the bottom surface 18; 19 of the cylinder pit 16; 17 and acts together with each on the cutting knife bar 21; 22 or preferably the guide bar 23; 24 pins 96, 97 - Fig. 14 -.
    Here, too, the grooves 113, 114 run in the same direction as described under point 1b).
  • 3) one each in the cutting knife bar 21; 22 or preferably the guide bar 23; 24 located groove 122, 123 acts together with two cylinder-fixed, on the bottom surface 18; 19 of the cylinder pit 16; 17 located pins 125, 126 - Fig. 17 -.
    Here, too, the grooves 122, 123 run in the same direction as described under point 1b).
  • Teileliste.Parts list.

    11
    SchneidzylinderCutting cylinder
    22nd
    Achszapfen (1)Axle journal (1)
    33rd
    Achszapfen (1)Axle journal (1)
    44th
    Seitengestell, linkesSide frame, left
    55
    --
    66
    Zylinderrollenlager (2)Cylindrical roller bearings (2)
    77
    Bohrung, zentrisch (1)Center bore (1)
    88th
    HubspindelLifting spindle
    99
    Kupplungclutch
    1010th
    --
    1111
    GewindespindelThreaded spindle
    1212th
    HandradHandwheel
    1313
    GewindebohrungTapped hole
    1414
    LagerbockBearing block
    1515
    Schraubescrew
    1616
    Nut (1), ZylindergrubeGroove (1), cylinder pit
    1717th
    Nut (1), ZylindergrubeGroove (1), cylinder pit
    1818th
    Bodenfläche (16)Base (16)
    1919th
    Bodenfläche (17)Base (17)
    2020th
    --
    2121
    SchneidmesserleisteCutting knife bar
    2222
    SchneidmesserleisteCutting knife bar
    2323
    Führungsleiste (21)Guide bar (21)
    2424th
    Führungsleiste (22)Guide bar (22)
    2525th
    --
    2626
    Schraubescrew
    2727
    Messereinsatzleiste (21)Knife insert bar (21)
    2828
    Messereinsatzleiste (22)Knife insert bar (22)
    2929
    Schneidmesser (21)Cutting knife (21)
    3030th
    Schneidmesser (22) Cutting knife (22)
    3131
    --
    3232
    Bohrung (8)drilling (8th)
    3333
    Bohrung (8)Bore (8)
    3434
    StehbolzenStud bolts
    3535
    StehbolzenStud bolts
    3636
    --
    3737
    Kanal (1)channel (1)
    3838
    Kanal (1)Channel (1)
    3939
    Nut, rundstirnigGroove, round-headed
    4040
    Nut, rundstirnigGroove, round-headed
    4141
    --
    4242
    Mittellinie (1)Center line (1)
    4343
    Schraubescrew
    4444
    Druckfeder (43)Compression spring (43)
    4545
    --
    4646
    GleitsteinSliding block
    4747
    Schraubescrew
    4848
    Lagergehäuse (9)Bearing housing (9)
    4949
    Lagergehäuse (9)Bearing housing (9)
    5050
    --
    5151
    Wälzlagerroller bearing
    5252
    DeckscheibeCover plate
    5353
    Lagercamp
    5454
    Lagergehäuse (53)Bearing housing (53)
    5555
    Lagergehäuse (53)Bearing housing (53)
    5656
    --
    5757
    KolbenstangePiston rod
    5858
    ArbeitszylinderWorking cylinder
    5959
    LagerbockBearing block
    6060
    --
    6161
    Bohrung (59)drilling (59)
    6262
    Anschlußstutzen (58)Connection piece (58)
    6363
    Anschlußstutzen (58)Connection piece (58)
    6464
    --
    6565
    Ende, erstes (34)The End, first (34)
    6666
    Ende, zweites (34)End, second (34)
    6767
    Ende, erstes (35)End, first (35)
    6868
    Ende, zweites (35)End, second (35)
    6969
    LinearmotorLinear motor
    7070
    --
    7171
    Hohlraum (1)cavity (1)
    7272
    MaschinenschraubeMachine screw
    7373
    Rotationsachse (1)Rotation axis (1)
    7474
    SekundärspuleSecondary coil
    7575
    --
    7676
    PrimärspulePrimary coil
    7777
    PrimärelektronikPrimary electronics
    7878
    Zahnstange (8)Rack (8)
    7979
    Ritzelpinion
    8080
    --
    8181
    GetriebemotorGear motor
    8282
    --
    8383
    --
    8484
    --
    8585
    --
    8686
    --
    8787
    --
    8888
    --
    8989
    --
    9090
    --
    9191
    - -
    9292
    --
    9393
    --
    9494
    --
    9595
    --
    9696
    --
    9797
    --
    9898
    --
    9999
    --
    100100
    --
    101101
    --
    102102
    --
    103103
    --
    104104
    --
    105105
    --
    106106
    --
    107107
    --
    108108
    --
    109109
    --
    110110
    --
    111111
    --
    112112
    --
    113113
    Nut (1)Groove (1)
    114114
    Nut (1)Groove (1)
    115115
    --
    116116
    StellmittelPositioning means
    117117
    Längsseite (28)Long side (28)
    118118
    Federfeather
    119119
    Lagercamp
    120120
    --
    121121
    Lager camp
    122122
    Nut (22)Groove (22)
    123123
    Nut (22)Groove (22)
    124124
    --
    125125
    ZapfenCones
    126126
    ZapfenCones
    127127
    Hebellever
    128128
    Lagercamp
    129129
    Gelenkjoint
    130130
    Gelenkjoint
    131131
    --
    aa
    HublängeStroke length
    αα
    Winkel (39, 40)Angle (39, 40)
    BB
    PfeilrichtungArrow direction
    cc
    Versatz (21, 22)Offset (21, 22)
    DD
    PfeilrichtungArrow direction
    ββ
    Winkelangle
    ll
    Längelength

    Claims (14)

    1. Device for displacing cutting bars (21; 22) on a cutting cylinder (1) for cross cutting a length of paper web before it runs into a folder, which can be changed over from "non-collecting operation" to "collecting operation" and vice-versa, it being the case that the cutting bars are optionally moved towards one another or away from one another, by means of in each case one displacement device, in an axis-parallel manner in the circumferential direction of the cutting cylinder in order to produce signatures of the same length or of different lengths, and it being the case that provided as the displacement device (39, 40; 113, 114; 122, 123; 65, 67; 66, 68; 96, 97; 108, 109, 116; 8, 82, 83; 83, 89; 82, 89; 24, 116, 127; 116, 121, 124) for the cutting bars (21; 22) is a according to the principle [sic] groove (39, 40; 113, 114; 122, 123), which is positioned obliquely into [sic] an angle (α), with a stud (65, 67; 66, 68; 125, 126) engaging in the groove (39, 40; 113, 114; 122, 123)" [sic], the groove (39, 40; 113, 114; 122, 123) and stud (65, 67; 66, 68; 125, 126) being arranged such that they move relative to one another, characterized in that the cutting cylinder has cylinder channels (16; 17) in which the cutting bars are arranged, and in that the groove (39, 40; 113, 114; 122, 123) or the stud (65, 67; 66, 68; 125, 126) are arranged in the base surface (18; 19) of the cylinder channel (16; 17).
    2. Device according to Claim 1, characterized in that the groove (39; 40) is arranged in a cutting bar (21; 22), in that the studs (65, 67; 66, 68) are designed as stud bolts (34; 35) which can be moved in the axial direction (42) by means of a drive (8, 9, 11, 12; 53, 57, 58; 8, 69; 8, 78, 79, 81).
    3. Device according to Claims 1 and 2, characterized in that the stud bolts (34; 35) are arranged [lacuna] ducts (37; 38) extending in the diametrical direction of the cross section of the cutting cylinder (1), in that ends (65, 67; 66, 68) of the stud bolts (34; 35) engage with grooves (39, 40) of the cutting bars (21; 22).
    4. Device according to Claims 1 to 3, characterized in that the stud bolts (34; 35) are connected in a force-fitting and form-fitting manner to a travelling spindle (8) which extends in the axial direction in a bore (7) of the cutting cylinder (1).
    5. Device according to Claims 1 to 4, characterized in that the angle (α) is 2° to 10°.
    6. Device according to Claims 1 to 4, characterized in that the drive (8, 9, 11, 12) of the stud bolts (34; 35) takes place via a hand wheel (12) which is connected, via a threaded spindle (11) and a coupling (9), to a travelling spindle (8) which receives the stud bolts (34; 35).
    7. Device according to Claims 1 to 4, characterized in that the drive (8, 53, 57, 58) of the stud bolts (34; 35) takes place via a double-acting pneumatic working cylinder (58) which is connected, [lacuna] a coupling (53), to a travelling spindle (8) which receives the stud bolts (34; 35).
    8. Device according to Claims 1 to 4, characterized in that the drive (8, 69) of the stud bolts (34; 35) takes place via a linear motor (69) which is arranged in the cylinder interior (1).
    9. Device according to Claims 1 to 4, characterized in that the drive (8, 78, 79, 81) takes place via a rack drive (78, 79, 81) which is arranged in the cylinder interior (1).
    10. Device according to Claim 1, characterized in that the groove (113; 114) is arranged in the base surface (18; 19) of a cylinder channel (16; 17) of the cutting cylinder (1) for the purpose of receiving a guide bar (23; 24) of the cutting bar (21; 22), in that the studs (96, 97) are integrally connected to the guide bar (23; 24).
    11. Device according to Claim 1, characterized in that the groove (122, 123) is arranged in a cutting bar (21; 22), in that the studs (125, 126) are connected in a form-fitting manner to the base surface (18; 19) of a cylinder channel (16; 17) of the cutting cylinder (1).
    12. Device according to Claim 1, characterized in that at least one cylinder-mounted actuating means (116), arranged in the cylinder interior (1), is connected in a form-fitting manner to the cutting bar (21; 22).
    13. Device according to Claim 12, characterized in that the actuating means (108, 109, 116) comprise an electromagnet, a linear motor (69), a geared motor (81) with pinion (79) and rack (78), a pneumatic working cylinder (58) or a piezoelectric force transducer.
    14. Device according to Claim 1, characterized in that axially running restoring springs (118) are arranged between the cutting bar (21; 22) and a first side wall (87) of the cylinder channel (17).
    EP94902604A 1992-12-18 1993-12-17 Device for adjusting a cutting stick for a cutting cylinder of a rotary press Expired - Lifetime EP0726848B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    DE4242886 1992-12-18
    DE4242886A DE4242886A1 (en) 1992-12-18 1992-12-18 Device for adjusting a cutting knife bar for a cutting cylinder of a rotary printing press
    PCT/DE1993/001210 WO1994014612A2 (en) 1992-12-18 1993-12-17 Device for adjusting a cutting stick for a cutting cylinder of a rotary press

    Publications (2)

    Publication Number Publication Date
    EP0726848A1 EP0726848A1 (en) 1996-08-21
    EP0726848B1 true EP0726848B1 (en) 2000-03-22

    Family

    ID=6475707

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP94902604A Expired - Lifetime EP0726848B1 (en) 1992-12-18 1993-12-17 Device for adjusting a cutting stick for a cutting cylinder of a rotary press

    Country Status (5)

    Country Link
    US (1) US5950516A (en)
    EP (1) EP0726848B1 (en)
    JP (1) JP3391793B2 (en)
    DE (4) DE4244786C2 (en)
    WO (1) WO1994014612A2 (en)

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    EP0827454B1 (en) * 1995-05-20 1998-11-25 KOENIG & BAUER-ALBERT AKTIENGESELLSCHAFT Cutting device
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    JPH1177586A (en) * 1997-09-04 1999-03-23 Mitsubishi Heavy Ind Ltd Rotary cutoff device
    GB9714424D0 (en) * 1997-07-10 1997-09-10 Kvaerner Clecim Cont Casting Method of shearing metal strip and apparatus therefor
    US6231492B1 (en) * 1998-05-11 2001-05-15 Goss Graphic Systems Inc. Cutting drum having circumferentially adjustable cutting blades for use on a rotary press folding machine
    US6244151B1 (en) * 1998-06-11 2001-06-12 Tamarack Products Inc. Apparatus for adjusting cutting bar
    DE19908118B4 (en) * 1999-02-25 2005-07-28 Man Roland Druckmaschinen Ag Cutting knife cylinder
    US6418828B1 (en) * 1999-06-24 2002-07-16 The Procter & Gamble Company Force-adjustable rotary apparatus for working webs or sheets of material
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    Also Published As

    Publication number Publication date
    DE4244786A1 (en) 1995-02-23
    WO1994014612A3 (en) 1994-10-27
    DE4244786C2 (en) 1997-08-07
    US5950516A (en) 1999-09-14
    WO1994014612A2 (en) 1994-07-07
    EP0726848A1 (en) 1996-08-21
    JPH08504684A (en) 1996-05-21
    JP3391793B2 (en) 2003-03-31
    DE4244787A1 (en) 1995-02-23
    DE4242886A1 (en) 1994-06-23
    DE4244787C2 (en) 2000-01-27
    DE59309989D1 (en) 2000-04-27

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