EP0946366B1 - Folding jaws cylinder - Google Patents

Folding jaws cylinder Download PDF

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Publication number
EP0946366B1
EP0946366B1 EP97952749A EP97952749A EP0946366B1 EP 0946366 B1 EP0946366 B1 EP 0946366B1 EP 97952749 A EP97952749 A EP 97952749A EP 97952749 A EP97952749 A EP 97952749A EP 0946366 B1 EP0946366 B1 EP 0946366B1
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EP
European Patent Office
Prior art keywords
folding
jaw
cylinder
gap
parts
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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.)
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EP97952749A
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German (de)
French (fr)
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EP0946366A1 (en
Inventor
Simon Kostiza
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Koenig and Bauer AG
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Koenig and Bauer AG
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Publication of EP0946366A1 publication Critical patent/EP0946366A1/en
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    • 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
    • B65H45/163Details of folding jaws therefor

Definitions

  • the invention relates to a jaw cylinder for Folders in rotary printing machines accordingly the preamble of claim 1.
  • DE 25 37 920 A1 is a folding jaw cylinder with a device for adjusting the nip according to the thickness of the product to be folded known. This adjustment happens because first of all by a extending in the axial direction of the cylinder Threaded spindle moves a slider with inclined planes becomes. Below are the inclined planes in radial direction of the cylinder, articulated mounted ram for adjusting the jaws operated.
  • EP 03 52 625 A2 describes a folding jaw cylinder with at least one jaw, the two Has folding jaw parts, with a gap between these jaw parts to a thickness of processing products is adjustable.
  • This Jaw cylinder also has a device consisting of a measuring device and servomotors for Setting a gap between the jaw parts on.
  • the invention has for its object a To create jaw cylinders.
  • each folded product z. B. when starting a Production of fold products collected several times regardless of its thickness through the jaws individually recorded so that slipping out of the Jaw jaws is avoided.
  • a folding jaw cylinder 1 is known to consist of a first rotatably mounted on a shaft 2 Support body 3 with two designed as solid disks Side windows 4, 6.
  • the side windows 4, 6 are with e.g. B. four evenly distributed around its circumference Folding jaw parts 7 receiving crossbars 5 from each other spaced connected.
  • the Folding jaw cylinder 1 also on shaft 2 rotatably mounted second support body 8.
  • the Support body 8 is spaced from two Side windows 11, 12 formed, which are of a number Supports 9 are kept on cylinder width.
  • the Side windows 11, 4 are partially recessed (Fig. 4).
  • This second support body 8 also bears on the circumference evenly distributed z.
  • B. four controllable jaw parts 13 These jaw parts 13 are each z. B.
  • the spindle 14 is at one end of the Carrying body 8 led out and stands over a lever arm 16 and a cam roller 17 with a side frame fixed Control curve 18 in connection.
  • the control curve 18 points a curve 20 to open and a curve 25 to Close the jaw parts 7, 13.
  • the Control curve 18 is shown in dash-dot lines (FIG. 4).
  • Torsion bar spring 15 which on one side on the Washer 12 and on the other side on lever arm 16 is attached.
  • the jaw parts 7, 13 in Fig. 1 compared to the position of the jaw parts 7, 13 in Fig. 4 in a simplified manner by 45 ° shown.
  • the shaft 2 of the jaw cylinder 1 is by means of Rolling bearings 19, 21 rotatable in side frames 22, 23 stored.
  • the shaft 2 is rotatably fixed at one end a drive gear 24 connected.
  • the drive gear 24 combs z. B. with a not shown Output gear of a collecting cylinder.
  • the shaft 2 has on the drive side between the Side frame 22 and the jaw cylinder 1 one Bund 26 on.
  • the collar 26 is z. B. by means of screws rotatably connected to a drive pulley 27.
  • the Drive pulley 27 runs parallel to side pane 4 of the first support body 3 and lies against this (Fig. 1).
  • the folding jaw cylinder 1 has the side windows 4, 11 and the drive pulley 27 each have a cutout 28, 29, 31 on.
  • a Working cylinder 32 e.g. B. a double acting Cylinder-piston unit 32, 33 arranged.
  • the Working cylinder 32 is by means of one on its housing 35 attached bracket 40 and a screw 72 with the side window 11 connected.
  • the free end of the Piston rod 34 is via a screw 73 with the Side window 4 connected.
  • the cylinder-piston unit 32, 33 is expedient designed as a membrane cylinder. That is, the piston is 33 e.g. B. disc-shaped and has on it Periphery an annular membrane 36.
  • the Diaphragm 36 is with its outer circumference on the housing 35 of the Cylinder 32 set. This can e.g. B. by Clamp between two housing parts. Consequently is between a first chamber 37 of the cylinder 32nd and a second chamber 38 of the cylinder 32 a gas and liquid-tight separation achieved.
  • a piston stroke this cylinder 32 is only a few millimeters (Fig. 2).
  • the first chamber 37 is with a pressure medium, for. B. a liquid 43, e.g. B. hydraulic oil filled.
  • the Chamber 37 is an outlet 39 and a Line 41 with a known, for. B. on a support 9th of the second
  • Support body 8 attached energy storage, z. B. Hydraulic accumulator 42 connected.
  • the hydraulic accumulator 42 has liquid 43 on the line-near side and in one stretchable or compressible gas sack 44 on. This gas can consist of air or nitrogen.
  • the second chamber 38 of the cylinder 32 filled with gas 44 is connected to a compressed air source (not shown) via an outlet connection 47 and a line 48.
  • the line 48 initially runs inside the shaft 2.
  • a known rotary inlet 49 located at the shaft end connects to a line 51 which leads to the compressed air source (FIG. 1).
  • a synchronizing device 52 is located in a recess 53, 54, 56 of the disks 4, 11, 27. The synchronizing device 52 is located approximately diametrically opposite the cylinder-piston unit 32, 33 and can be arranged on the drive disk.
  • the synchronization device 52 consists of a synchronizing coupling gear.
  • the drive pulley 27 is fixed to one end of its recess 56 L-shaped bearing block 57 connected.
  • the bearing block 57 is fork-shaped on its shorter leg.
  • In the fork 58 is guided by a two-armed lever 59, which is mounted centrally on a bearing pin 61.
  • the bearing pin 61 passes through the fork 58 in a radial direction Direction to side window 4; 11.
  • the ends 62; 63 of two-armed lever 59 are articulated with first ends 64; 66 of coupling 67; 68 connected.
  • a second end 69 of the first coupling 67 is articulated at the end of the recess 54 with the side window 11 of the second support body 8 of the Folder cylinder 1 connected.
  • a second end 71 the second coupling 68 is in the opposite direction to the end 69 of the coupling 67 at the end of the recess 53 the side window 4 of the first support body 3 articulated connected.
  • the coupling 67, 68 run secant the side windows 11, 4.
  • the synchronization device 52 from the two-armed Lever 59 and the two articulated couplers 67, 68 existing, sets in the top view (Fig. 3) mirrored Z
  • the operation of the jaw cylinder is like described below. While feeding one Paper web in a rotary printing press or in one associated folder turns Jaw cylinder 1 with a low speed, d. H. in slow speed. Since no products yet Inclusion in the jaws 7; 13 are present causes the in the second chamber 38 of the Cylinder-piston unit 32, 33 supplied compressed air that the liquid in the first chamber 37 the line 41 and the throttling direction acting throttle check valve 46 slowly into the Hydraulic accumulator 42 flows. The air pressure is approx. 3 to 6 bar and is higher than that in the first chamber 37 acting pressure. Also, instead of using compressed air acted chamber 38, the counterforce by means of a Spring are generated. As a result, the two move Support body 3, 8 and thus the jaw parts 7, 13 opposed to each other until a preset Gap with a minimal width, e.g. B. of 0.1 mm as Basic setting is reached.
  • a preset Gap with a minimal width, e.g. B. of 0.1 mm as Basic setting is
  • This gap can be made by means of a stop can be preset.
  • the stop is z. B. from a bearing block 74 fastened to the side window 4, which receives a lockable screw 76. On The end of the screw 76 interacts with the side window 11 together (Fig. 4).
  • the liquid is without the throttling effect of the throttle check valve 46 quickly from the Hydraulic accumulator 42 to the first chamber 37 of the Cylinder-piston unit 32, 33 deducted.
  • the piston 33 moves in the direction the second chamber 38 filled with compressed air as long as until the cam roller 17 the highest point of the Control curve has reached 18 and the Close the jaw parts 7, 13 again.
  • the liquid in the first chamber 37 strives, again, about the throttling direction of action of the Throttle check valve 46 in the hydraulic accumulator 42 to expire.
  • the first chamber 37 of the working cylinder 32, 33 is So acted on with a pressure medium, the Supply and discharge of the pressure medium with different Quantities per unit of time take place (the supply takes place with greater speed than the removal).
  • the speed of delivery is a multiple, d. H. at least twice the speed of discharge.
  • the folding flaps 7, 13 set to this thickness.
  • the synchronizing device 52 ensures even setting of the jaw gap in both directions.
  • the working cylinder 32 can also between one Support body and a movable relative to this Jaw part or between an actuator, e.g. B. the cam roller 17, and the associated jaw part be arranged.

Description

Die Erfindung betrifft einen Falzklappenzylinder für Falzapparate bei Rotationsdruckmaschinen entsprechend dem Oberbegriff des Anspruches 1.The invention relates to a jaw cylinder for Folders in rotary printing machines accordingly the preamble of claim 1.

Durch die DE 25 37 920 A1 ist ein Falzklappenzylinder mit einer Einrichtung zum Verstellen des Falzspaltes entsprechend der Dicke des zu falzenden Produktes bekannt. Diese Verstellung geschieht dadurch, daß zunächst durch ein an einer Gewindebüchse abgestützte, in axialer Richtung des Zylinders verlaufenden Gewindespindel ein Gleitstück mit schiefen Ebenen bewegt wird. Nachfolgend werden mittels der schiefen Ebenen in radialer Richtung des Zylinders verlaufende, gelenkig gelagerte Stößel zum Verstellen der Falzklappen betätigt.DE 25 37 920 A1 is a folding jaw cylinder with a device for adjusting the nip according to the thickness of the product to be folded known. This adjustment happens because first of all by a extending in the axial direction of the cylinder Threaded spindle moves a slider with inclined planes becomes. Below are the inclined planes in radial direction of the cylinder, articulated mounted ram for adjusting the jaws operated.

Nachteilig bei dem genannten Falzklappenzylinder ist es jedoch, daß dieser beim Anfahren z. B. einer Sammelproduktion mit dreimal Sammeln, so oft, d. h. zwei- oder dreimal die Produkte verliert, bis die voreingestellten Falzklappen ein Produkt mit einer endgültigen Produktdicke erhalten.It is disadvantageous in the aforementioned jaw cylinder however, that this when starting z. B. one Collective production with collecting three times, as often, d. H. loses the products two or three times until the preset jaws a product with a get final product thickness.

Die EP 03 52 625 A2 beschreibt einen Falzklappenzylinder mit mindestens einer Falzklappe, die zwei Falzklappenteile aufweist, wobei ein Spalt zwischen diesen Falzklappenteilen auf eine Dicke von zu verarbeitenden Produkten einstellbar ist. Dieser Falzklappenzylinder weist zudem eine Vorrichtung, bestehend aus einer Meßeinrichtung und Stellmotoren zum Einstellen eines Spaltes zwischen den Falzklappenteilen auf.EP 03 52 625 A2 describes a folding jaw cylinder with at least one jaw, the two Has folding jaw parts, with a gap between these jaw parts to a thickness of processing products is adjustable. This Jaw cylinder also has a device consisting of a measuring device and servomotors for Setting a gap between the jaw parts on.

Der Erfindung liegt die Aufgabe zugrunde, einen Falzklappenzylinder zu schaffen. The invention has for its object a To create jaw cylinders.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des kennzeichnenden Teils des Anspruches 1 gelöst.This object is achieved by the features of the characterizing part of claim 1 solved.

Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß sich das Falzklappenmaul in seiner Grundeinstellung selbsttätig der Produktdicke anpaßt. D. h., eine Dicke eines beim Anfahren einer mehrfachen Sammelproduktion von den Falzklappen übernommenen Falzproduktes wird "erfühlt".The advantages that can be achieved with the invention exist especially in that the jaw jaw in its basic setting automatically the product thickness adjusts. That is, a thickness of one when starting one multiple bulk production of the jaws accepted folding product is "felt".

Somit wird jedes Falzprodukt z. B. beim Anfahren einer Produktion von mehrfach gesammelten Falzprodukten unabhängig von seiner Dicke durch die Falzklappen individuell so erfaßt, daß ein Herausrutschen aus den Falzklappenmäulern vermieden wird.Thus, each folded product z. B. when starting a Production of fold products collected several times regardless of its thickness through the jaws individually recorded so that slipping out of the Jaw jaws is avoided.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben.An embodiment of the invention is in the Drawing shown and will be described in more detail below described.

Es zeigen

Fig. 1
die schematische Darstellung eines Längsschnittes durch einen Falzklappenzylinder, etwa der Linie I - I nach Fig. 4 entsprechend;
Fig. 2
einen Schnitt II - II nach Fig. 1 mit vergrößerter Darstellung einer Membranzylinder-Kolbeneinheit;
Fig. 3
einen Schnitt III - III nach Fig. 1 mit vergrößerter Darstellung einer Synchronisiereinrichtung;
Fig. 4
einen Querschnitt IV - IV durch den Falzklappenzylinder nach Fig. 1.
Show it
Fig. 1
the schematic representation of a longitudinal section through a jaw cylinder, approximately corresponding to the line I - I of FIG. 4;
Fig. 2
a section II - II of Figure 1 with an enlarged view of a membrane cylinder-piston unit.
Fig. 3
a section III - III of Figure 1 with an enlarged view of a synchronizer.
Fig. 4
a cross section IV - IV through the jaw cylinder of FIG. 1st

Ein Falzklappenzylinder 1 besteht bekannterweise aus einem auf einer Welle 2 drehbar gelagerten ersten Tragkörper 3 mit zwei als Vollscheiben ausgebildeten Seitenscheiben 4, 6. Die Seitenscheiben 4, 6 sind mit z. B. vier gleichmäßig an ihrem Umfang verteilt festen Falzklappenteilen 7 aufnehmende Traversen 5 voneinander beabstandet verbunden. Weiterhin weist der Falzklappenzylinder 1 einen ebenfalls auf der Welle 2 drehbar gelagerten zweiten Tragkörper 8 auf. Der Tragkörper 8 wird von zwei voneinander beabstandeten Seitenscheiben 11, 12 gebildet, welche von einer Anzahl Stützen 9 auf Zylinderbreite gehalten werden. Die Seitenscheiben 11, 4 sind teilweise ausgespart (Fig. 4). Am Umfang trägt dieser zweite Tragkörper 8 ebenfalls gleichmäßig verteilt z. B. vier steuerbare Falzklappenteile 13. Diese Falzklappenteile 13 sind jeweils z. B. nebeneinander an einer tragkörperfest gelagerten Spindel 14 befestigt. Die Spindel 14 ist an einem Ende aus dem Tragkörper 8 herausgeführt und steht über einen Hebelarm 16 und eine Kurvenrolle 17 mit einer seitengestellfesten Steuerkurve 18 in Verbindung. Die Steuerkurve 18 weist ein Kurvental 20 zum öffnen und ein Kurvental 25 zum Schließen der Falzklappenteile 7, 13 auf. Die Steuerkurve 18 ist strichpunktiert dargestellt (Fig. 4). In der hohlen Spindel 14 befindet sich eine Drehstabfeder 15, welche auf der einen Seite an der Scheibe 12 und auf der anderen Seite am Hebelarm 16 befestigt ist. Dabei ist die Lage der Falzklappenteile 7, 13 in Fig. 1 gegenüber der Lage der Falzklappenteile 7, 13 in Fig. 4 in vereinfachender Weise um 45° versetzt dargestellt.A folding jaw cylinder 1 is known to consist of a first rotatably mounted on a shaft 2 Support body 3 with two designed as solid disks Side windows 4, 6. The side windows 4, 6 are with e.g. B. four evenly distributed around its circumference Folding jaw parts 7 receiving crossbars 5 from each other spaced connected. Furthermore, the Folding jaw cylinder 1 also on shaft 2 rotatably mounted second support body 8. The Support body 8 is spaced from two Side windows 11, 12 formed, which are of a number Supports 9 are kept on cylinder width. The Side windows 11, 4 are partially recessed (Fig. 4). This second support body 8 also bears on the circumference evenly distributed z. B. four controllable jaw parts 13. These jaw parts 13 are each z. B. next to each other on a spindle fixed to the supporting body 14 attached. The spindle 14 is at one end of the Carrying body 8 led out and stands over a lever arm 16 and a cam roller 17 with a side frame fixed Control curve 18 in connection. The control curve 18 points a curve 20 to open and a curve 25 to Close the jaw parts 7, 13. The Control curve 18 is shown in dash-dot lines (FIG. 4). In the hollow spindle 14 there is one Torsion bar spring 15, which on one side on the Washer 12 and on the other side on lever arm 16 is attached. Here is the location of the jaw parts 7, 13 in Fig. 1 compared to the position of the jaw parts 7, 13 in Fig. 4 in a simplified manner by 45 ° shown.

Die Welle 2 des Falzklappenzylinders 1 ist mittels Wälzlagern 19, 21 drehbar in Seitengestellen 22, 23 gelagert. Die Welle 2 ist an einem Ende drehfest mit einem Antriebszahnrad 24 verbunden. Das Antriebszahnrad 24 kämmt z. B. mit einem nicht dargestellten Abtriebszahnrad eines Sammelzylinders.The shaft 2 of the jaw cylinder 1 is by means of Rolling bearings 19, 21 rotatable in side frames 22, 23 stored. The shaft 2 is rotatably fixed at one end a drive gear 24 connected. The drive gear 24 combs z. B. with a not shown Output gear of a collecting cylinder.

Die Welle 2 weist auf der Antriebsseite zwischen dem Seitengestell 22 und dem Falzklappenzylinder 1 einen Bund 26 auf. Der Bund 26 ist z. B. mittels Schrauben drehfest mit einer Antriebsscheibe 27 verbunden. Die Antriebsscheibe 27 verläuft parallel zur Seitenscheibe 4 des ersten Tragkörpers 3 und liegt an dieser an (Fig. 1). The shaft 2 has on the drive side between the Side frame 22 and the jaw cylinder 1 one Bund 26 on. The collar 26 is z. B. by means of screws rotatably connected to a drive pulley 27. The Drive pulley 27 runs parallel to side pane 4 of the first support body 3 and lies against this (Fig. 1).

Vorzugsweise auf der Antriebsseite des Falzklappenzylinders 1 weisen die Seitenscheiben 4, 11 sowie die Antriebsscheibe 27 jeweils eine Aussparung 28, 29, 31 auf. In der Aussparung 28, 29, 31 ist ein Arbeitszylinder 32, z. B. eine doppeltwirkende Zylinder-Kolbeneinheit 32, 33 angeordnet. Der Arbeitszylinder 32 ist mittels einer an seinem Gehäuse 35 angebrachten Halterung 40 und einer Schraube 72 mit der Seitenscheibe 11 verbunden. Das freie Ende der Kolbenstange 34 ist über eine Schraube 73 mit der Seitenscheibe 4 verbunden.Preferably on the drive side of the The folding jaw cylinder 1 has the side windows 4, 11 and the drive pulley 27 each have a cutout 28, 29, 31 on. In the recess 28, 29, 31 is a Working cylinder 32, e.g. B. a double acting Cylinder-piston unit 32, 33 arranged. The Working cylinder 32 is by means of one on its housing 35 attached bracket 40 and a screw 72 with the side window 11 connected. The free end of the Piston rod 34 is via a screw 73 with the Side window 4 connected.

Die Zylinder-Kolbeneinheit 32, 33 ist zweckmäßigerweise als Membranzylinder ausgeführt. D. h., der Kolben 33 ist z. B. scheibenförmig ausgebildet und weist an seiner Peripherie eine kreisringförmige Membran 36 auf. Die Membran 36 ist mit ihrem Außenumfang am Gehäuse 35 des Zylinders 32 festgelegt. Dies kann z. B. durch Festklemmen zwischen zwei Gehäuseteilen erfolgen. Somit wird zwischen einer ersten Kammer 37 des Zylinders 32 und einer zweiten Kammer 38 des Zylinders 32 eine gas- und flüssigkeitsdichte Trennung erzielt. Ein Kolbenhub dieses Zylinders 32 beträgt nur wenige Millimeter (Fig. 2).The cylinder-piston unit 32, 33 is expedient designed as a membrane cylinder. That is, the piston is 33 e.g. B. disc-shaped and has on it Periphery an annular membrane 36. The Diaphragm 36 is with its outer circumference on the housing 35 of the Cylinder 32 set. This can e.g. B. by Clamp between two housing parts. Consequently is between a first chamber 37 of the cylinder 32nd and a second chamber 38 of the cylinder 32 a gas and liquid-tight separation achieved. A piston stroke this cylinder 32 is only a few millimeters (Fig. 2).

Die erste Kammer 37 ist mit einem Druckmittel, z. B. einer Flüssigkeit 43, z. B. Hydrauliköl gefüllt. Die Kammer 37 ist über einen Auslaßstutzen 39 sowie eine Leitung 41 mit einem bekannten, z. B. auf einer Stütze 9 des zweiten The first chamber 37 is with a pressure medium, for. B. a liquid 43, e.g. B. hydraulic oil filled. The Chamber 37 is an outlet 39 and a Line 41 with a known, for. B. on a support 9th of the second

Tragkörpers 8 befestigten Kraftspeicher, z. B. Hydrospeicher 42 verbunden. Der Hydrospeicher 42 weist auf der leitungsnahen Seite Flüssigkeit 43 und in einem dehnbaren bzw. zusammendrückbaren Kunststoffsack Gas 44 auf. Dieses Gas kann aus Luft oder Stickstoff bestehen.Support body 8 attached energy storage, z. B. Hydraulic accumulator 42 connected. The hydraulic accumulator 42 has liquid 43 on the line-near side and in one stretchable or compressible gas sack 44 on. This gas can consist of air or nitrogen.

Zwischen der ersten Kammer 37 des Zylinders 32 und dem Hydrospeicher 42 ist ein in Richtung Hydrospeicher 42 wirkendes Drosselrückschlagventil 46 angeordnet.Between the first chamber 37 of the cylinder 32 and the Hydraulic accumulator 42 is a hydraulic accumulator 42 acting throttle check valve 46 arranged.

Die mit Gas 44 gefüllte zweite Kammer 38 des Zylinders 32 ist über einen Auslaßstutzen 47 sowie eine Leitung 48 mit einer nicht dargestellten Druckluftquelle verbunden. Dabei verläuft die Leitung 48 zunächst innerhalb der Welle 2. Eine am Wellenende befindliche bekannte Dreheinführung 49 schließt an eine zur Druckluftquelle weiterführende Leitung 51 an (Fig. 1).
Eine Synchronisiereinrichtung 52 befindet sich in einer Aussparung 53, 54, 56 der Scheiben 4, 11, 27. Die Synchronisiereinrichtung 52 befindet sich etwa diametral gegenüber der Zylinder-Kolbeneinheit 32, 33 und kann auf der Antriebsscheibe angeordnet sein.
The second chamber 38 of the cylinder 32 filled with gas 44 is connected to a compressed air source (not shown) via an outlet connection 47 and a line 48. The line 48 initially runs inside the shaft 2. A known rotary inlet 49 located at the shaft end connects to a line 51 which leads to the compressed air source (FIG. 1).
A synchronizing device 52 is located in a recess 53, 54, 56 of the disks 4, 11, 27. The synchronizing device 52 is located approximately diametrically opposite the cylinder-piston unit 32, 33 and can be arranged on the drive disk.

Die Synchronisiereinrichtung 52 besteht aus einem synchronisierenden Koppelgetriebe. Die Antriebsscheibe 27 ist an einem Ende ihrer Aussparung 56 fest mit einem L-förmigen Lagerbock 57 verbunden. Der Lagerbock 57 ist an seinem kürzeren Schenkel gabelförmig ausgebildet. In der Gabel 58 ist ein zweiarmiger Hebel 59 geführt, welcher mittig auf einem Lagerbolzen 61 gelagert ist. Der Lagerbolzen 61 durchläuft die Gabel 58 in radialer Richtung zur Seitenscheibe 4; 11. Die Enden 62; 63 des zweiarmigen Hebels 59 sind gelenkig mit ersten Enden 64; 66 von Koppeln 67; 68 verbunden. Ein zweites Ende 69 der ersten Koppel 67 ist am Ende der Aussparung 54 gelenkig mit der Seitenscheibe 11 des zweiten Tragkörpers 8 des Falzklappenzylinders 1 verbunden. Ein zweites Ende 71 der zweiten Koppel 68 ist in entgegengesetzter Richtung zum Ende 69 der Koppel 67 am Ende der Aussparung 53 mit der Seitenscheibe 4 des ersten Tragkörpers 3 gelenkig verbunden. Die Koppeln 67, 68 verlaufen sekantenartig zu den Seitenscheiben 11, 4.The synchronization device 52 consists of a synchronizing coupling gear. The drive pulley 27 is fixed to one end of its recess 56 L-shaped bearing block 57 connected. The bearing block 57 is fork-shaped on its shorter leg. In the fork 58 is guided by a two-armed lever 59, which is mounted centrally on a bearing pin 61. The bearing pin 61 passes through the fork 58 in a radial direction Direction to side window 4; 11. The ends 62; 63 of two-armed lever 59 are articulated with first ends 64; 66 of coupling 67; 68 connected. A second end 69 of the first coupling 67 is articulated at the end of the recess 54 with the side window 11 of the second support body 8 of the Folder cylinder 1 connected. A second end 71 the second coupling 68 is in the opposite direction to the end 69 of the coupling 67 at the end of the recess 53 the side window 4 of the first support body 3 articulated connected. The coupling 67, 68 run secant the side windows 11, 4.

Die Synchronisiereinrichtung 52, aus dem zweiarmigen Hebel 59 und den beiden angelenkten Koppeln 67, 68 bestehend, stellt in der Draufsicht (Fig. 3) ein gespiegeltes Z dar.The synchronization device 52, from the two-armed Lever 59 and the two articulated couplers 67, 68 existing, sets in the top view (Fig. 3) mirrored Z

Die Arbeitsweise des Falzklappenzylinders ist wie nachfolgend beschrieben. Während des Einziehens einer Papierbahn in eine Rotationsdruckmaschine bzw. in einen dazugehörigen Falzapparat dreht sich der Falzklappenzylinder 1 mit einer niedrigen Drehzahl, d. h. im Schleichgang. Da noch keine Produkte zur Aufnahme in die Falzklappen 7; 13 vorhanden sind, veranlaßt die in der zweiten Kammer 38 der Zylinder-Kolbeneinheit 32, 33 zugeführte Druckluft, daß die in der ersten Kammer 37 befindliche Flüssigkeit über die Leitung 41 sowie das in drosselnder Richtung wirkende Drosselrückschlagventil 46 langsam in den Hydrospeicher 42 strömt. Dabei beträgt der Luftdruck ca. 3 bis 6 bar und ist höher als der in der ersten Kammer 37 wirkende Druck. Auch kann anstelle der mit Druckluft beaufschlagten Kammer 38 die Gegenkraft mittels einer Feder erzeugt werden. Dadurch bewegen sich die beiden Tragkörper 3, 8 und somit die Falzklappenteile 7, 13 gegenläufig aufeinander zu, bis ein voreingestellter Spalt mit einer minimalen Weite, z. B. von 0,1 mm als Grundeinstellung erreicht wird.The operation of the jaw cylinder is like described below. While feeding one Paper web in a rotary printing press or in one associated folder turns Jaw cylinder 1 with a low speed, d. H. in slow speed. Since no products yet Inclusion in the jaws 7; 13 are present causes the in the second chamber 38 of the Cylinder-piston unit 32, 33 supplied compressed air that the liquid in the first chamber 37 the line 41 and the throttling direction acting throttle check valve 46 slowly into the Hydraulic accumulator 42 flows. The air pressure is approx. 3 to 6 bar and is higher than that in the first chamber 37 acting pressure. Also, instead of using compressed air acted chamber 38, the counterforce by means of a Spring are generated. As a result, the two move Support body 3, 8 and thus the jaw parts 7, 13 opposed to each other until a preset Gap with a minimal width, e.g. B. of 0.1 mm as Basic setting is reached.

Dieser Spalt kann mittels eines Anschlages voreingestellt werden. Der Anschlag besteht z. B. aus einem an der Seitenscheibe 4 befestigten Lagerbock 74, welcher eine feststellbare Schraube 76 aufnimmt. Ein Ende der Schraube 76 wirkt mit der Seitenscheibe 11 zusammen (Fig. 4).This gap can be made by means of a stop can be preset. The stop is z. B. from a bearing block 74 fastened to the side window 4, which receives a lockable screw 76. On The end of the screw 76 interacts with the side window 11 together (Fig. 4).

Sobald ein erstes Produkt von einem Sammelzylinder an den Falzklappenzylinder 1 abgegeben wird, werden die beweglichen Falzklappenteile 13 über das Kurvengetriebe 14, 16, 17, 18 zugesteuert. Dabei entsteht zwischen den Falzklappenteilen 7, 13 eine Kraft, welche die Falzklappenteile 7, 13 entsprechend der Produktdicke auseinanderschiebt.Once a first product from a collecting cylinder the jaw cylinder 1 is released, the movable jaw parts 13 via the cam mechanism 14, 16, 17, 18 controlled. This creates between the Jaw parts 7, 13 a force which the Folding jaw parts 7, 13 according to the product thickness pushes apart.

Diese von dem Produkt erzeugte, auf den Arbeitszylinder 32 wirkende Kraft wirkt zusammen mit der Kraft der ersten Kammer 37 gegen die Kraft der zweiten Kammer 38. This generated by the product on the working cylinder 32 acting force works together with the force of first chamber 37 against the force of the second chamber 38.

Dabei wird die Flüssigkeit ohne die drosselnde Wirkung des Drosselrückschlagventils 46 schnell aus dem Hydrospeicher 42 zur ersten Kammer 37 der Zylinder-Kolbeneinheit 32, 33 abgezogen. Eine Zurückbewegung des Kolbens 33 in Richtung der zweiten, mit Druckluft gefüllten Kammer 38 erfolgt jedoch nur insoweit, wie dies die Gegenkraft der über die Dreheinführung 49 zugeführten Druckluft zuläßt. The liquid is without the throttling effect of the throttle check valve 46 quickly from the Hydraulic accumulator 42 to the first chamber 37 of the Cylinder-piston unit 32, 33 deducted. A Return movement of the piston 33 in the direction of the second, Chamber 38 filled with compressed air, however, only takes place insofar as this is the counterforce of over the Rotary inlet 49 allows compressed air.

Nach Abgabe des gefalzten Produktes aus den Falzklappenteilen 7, 13 des Falzklappenzylinders 1 ist der durch die gefalzten Produkte entstandene Gegendruck nicht mehr vorhanden. Der über die Dreheinführung 49 anstehende Luftdruck wirkt auf den Kolben 33 der Zylinder-Kolbeneinheit 32, 33 ein. Dabei ist die in der ersten Kammer 37 befindliche Flüssigkeit bestrebt, über die drosselnde Wirkrichtung des Drosselrückschlagventils 46 in den Hydrospeicher 42 abzulaufen. Dies wird jedoch in Abhängigkeit von der Einstellung des Drosselrückschlagventils 46, z. B. dadurch verhindert, daß von den nachfolgenden übernächsten Falzklappenteilen 7, 13 ein dickeres Produkt aufgenommen werden muß. Demzufolge entsteht zwischen den Falzklappenteilen 7, 13 nach dem Schließen erneut eine Kraft. Der erste und zweite Tragkörper 3, 8 drehen sich somit weiter auseinander. Dabei bewegt sich der Kolben 33 in Richtung der zweiten, mit Druckluft gefüllten Kammer 38 solange, bis die Kurvenrolle 17 die höchste Stelle der Steuerkurve 18 erreicht hat und sich die Falzklappenteile 7, 13 wieder schließen. Dabei ist die in der ersten Kammer 37 befindliche Flüssigkeit bestrebt, wiederum über die drosselnde Wirkrichtung des Drosselrückschlagventils 46 in den Hydrospeicher 42 abzulaufen.After delivery of the folded product from the The jaw parts 7, 13 of the jaw cylinder 1 is the back pressure created by the folded products not available anymore. The over the rotary introduction 49 Air pressure applied acts on the piston 33 Cylinder-piston unit 32, 33 a. The is in the liquid located in the first chamber 37 tends to the throttling direction of action of the throttle check valve 46 to run into the hydraulic accumulator 42. However, this will depending on the setting of the Throttle check valve 46, e.g. B. prevents that of the following but one part of the folding jaw 7, 13 a thicker product must be included. As a result, between the jaw parts 7, 13 another force after closing. The first and second support body 3, 8 thus continue to rotate apart. The piston 33 moves in the direction the second chamber 38 filled with compressed air as long as until the cam roller 17 the highest point of the Control curve has reached 18 and the Close the jaw parts 7, 13 again. Here is the liquid in the first chamber 37 strives, again, about the throttling direction of action of the Throttle check valve 46 in the hydraulic accumulator 42 to expire.

Die erste Kammer 37 des Arbeitszylinders 32, 33 wird also mit einem Druckmittel beaufschlagt, wobei die Zufuhr und Abfuhr des Druckmittels mit unterschiedlichen Mengen pro Zeiteinheit erfolgt (die Zufuhr erfolgt mit größerer Geschwindigkeit als die Abfuhr). Dabei beträgt die Geschwindigkeit der Zufuhr ein Mehrfaches, d. h. mindestens doppeltes der Geschwindigkeit der Abfuhr.The first chamber 37 of the working cylinder 32, 33 is So acted on with a pressure medium, the Supply and discharge of the pressure medium with different Quantities per unit of time take place (the supply takes place with greater speed than the removal). Here is the speed of delivery is a multiple, d. H. at least twice the speed of discharge.

Wenn die endgültige Dicke des Produktes nach mehrmaligem Sammeln erreicht ist, haben sich auch die Falzklappen 7, 13 auf diese Dicke eingestellt.If the final thickness of the product after repeated Collecting is reached, the folding flaps 7, 13 set to this thickness.

Nach Erhöhung der Maschinendrehzahl kann dann selbsttätig eine hydraulisch, pneumatisch oder mechanisch wirkende bekannte Feststellvorrichtung wirksam werden, die die Seitenscheiben 11; 4 mit der Antriebsscheibe 27 fest verbindet.After increasing the machine speed then automatically a hydraulic, pneumatic or mechanically acting known locking device take effect, the side windows 11; 4 with the Drive pulley 27 firmly connects.

Die Synchronisiereinrichtung 52 sorgt für ein gleichmäßiges Einstellen des Falzklappenspaltes in beiden Richtungen.The synchronizing device 52 ensures even setting of the jaw gap in both directions.

Als Synchronisiereinrichtung kann auch ein anderes spielarmes, wenig selbsthemmendes Getriebe eingesetzt werden.Another can also be used as the synchronization device Low backlash, little self-locking gearbox used become.

Der Arbeitszylinder 32 kann auch zwischen einem Tragkörper und einem relativ zu diesem bewegbaren Falzklappenteil oder zwischen einem Stellglied, z. B. der Kurvenrolle 17, und dem zugeordneten Falzklappenteil angeordnet sein. The working cylinder 32 can also between one Support body and a movable relative to this Jaw part or between an actuator, e.g. B. the cam roller 17, and the associated jaw part be arranged.

BezugszeichenlisteReference list

11
FalzklappenzylinderJaw cylinder
22nd
Welle (1)Shaft (1)
33rd
Tragkörper, ersterSupporting body, first
44th
Seitenscheibe (3)Side window (3)
55
Traversetraverse
66
Seitenscheibe (4)Side window (4)
77
Falzklappenteile, festJaw parts, firm
88th
Tragkörper, zweiterSupport body, second
99
Stütze (11; 12)Support (11; 12)
1010th
--
1111
Seitenscheibe (8)Side window (8)
1212th
Seitenscheibe (8)Side window (8)
1313
Falzklappenteil, steuerbarFolding jaw part, controllable
1414
Spindelspindle
1515
DrehstabfederTorsion bar spring
1616
HebelarmLever arm
1717th
KurvenrolleCam roller
1818th
SteuerkurveControl curve
1919th
Wälzlagerroller bearing
2020th
Kurvental (18)Kurvental (18)
2121
Wälzlagerroller bearing
2222
SeitengestellSide frame
2323
SeitengestellSide frame
2424th
AntriebszahnradDrive gear
2525th
Kurvental (18)Kurvental (18)
2626
Bund (2)Bund (2)
2727
Antriebsscheibe Traction sheave
2828
Aussparung (4)Notch (4)
2929
Aussparung (11)Notch (11)
3030th
--
3131
Aussparung (27)Notch (27)
3232
Zylindercylinder
3333
Kolbenpiston
3434
KolbenstangePiston rod
3535
Gehäuse (32)Housing (32)
3636
Membran (33)Membrane (33)
3737
Kammer, erste (32)Chamber, first (32)
3838
Kammer, zweite (32)Chamber, second (32)
3939
Auslaßstutzen (37)Outlet (37)
4040
Halterungbracket
4141
Leitung (39)Conduction (39)
4242
HydrospeicherHydraulic accumulator
4343
Flüssigkeitliquid
4444
Gasgas
4545
--
4646
Drosselrückschlagventil (41)One-way flow control valve (41)
4747
Auslaßstutzen (38)Outlet (38)
4848
Leitungmanagement
4949
Dreheinführung (2)Rotary introduction (2)
5050
--
5151
Leitungmanagement
5252
SynchronisiereinrichtungSynchronizer
5353
Aussparung (4)Notch (4)
5454
Aussparung (11)Notch (11)
5555
--
5656
Aussparung (27) Notch (27)
5757
Lagerbock (52)Bearing block (52)
5858
Gabel (57)Fork (57)
5959
Hebel, zweiarmig (52)Lever, two-armed (52)
6060
--
6161
Lagerbolzen (59)Bearing pin (59)
6262
Ende (59)End (59)
6363
Ende (59)End (59)
6464
Ende, erstes (67)End, first (67)
6565
--
6666
Ende, erstes (68)End, first (68)
6767
Koppel, erste, (52)Paddock, first, (52)
6868
Koppel, zweite (52)Paddock, second (52)
6969
Ende, zweites (67)End, second (67)
7070
--
7171
Ende, zweites (68)End, second (68)
7272
Schraube (4)Screw (4)
7373
Schraube (11)Screw (11)
7474
Lagerbock (4; 76)Bearing block (4; 76)
7575
--
7676
Schraube, feststellbar (74)Screw, lockable (74)

Claims (10)

  1. Folding-jaw cylinder (1) having at least one folding jaw which has two folding-jaw parts (7; 13), it being possible for a gap between these folding-jaw parts (7; 13) to be adjusted to the thickness of products to be processed, characterized in that an apparatus (32, 42, 46) is provided for the automatic adjustment of the gap between the folding-jaw parts (7; 13), and in that the apparatus (32, 42, 46) registers the thickness of the products by means of the folding-jaw parts.
  2. Folding-jaw cylinder (1) having at least one folding jaw which has two folding-jaw parts (7; 13), it being possible for a gap between these folding-jaw parts (7; 13) to be adjusted to the thickness of products to be processed, characterized in that an apparatus (32, 42, 46) is provided for the automatic adjustment of the gap between the folding-jaw parts (7; 13), and in that the apparatus (32, 42, 46) has at least one operating cylinder (32) which is connected to an energy store (42), the feed and discharge of a pressure medium (43) being carried out with different quantities per unit time.
  3. Folding-jaw cylinder (1) according to Claim 2, characterized in that a non-return throttle valve (46) is arranged between the operating cylinder (32) and the energy store (42).
  4. Folding-jaw cylinder (1) according to Claim 2, characterized in that the operating cylinder (32) can have a counteracting force applied to it.
  5. Folding-jaw cylinder (1) according to Claim 4, characterized in that the operating cylinder (32) has a second pressure medium (44) applied to it.
  6. Folding-jaw cylinder (1) according to Claim 2, characterized in that the operating cylinder (32) is arranged between the supporting elements (3; 8) of the folding-jaw parts (7; 13), which elements can be moved relative to each other.
  7. Folding-jaw cylinder (1) according to Claim 2, characterized in that the operating cylinder (32) is arranged between a supporting element and a folding-jaw part which can be moved relative to the supporting element.
  8. Folding-jaw cylinder (1) according to Claim 2, characterized in that the operating cylinder (32) is arranged between an actuator (17) for moving a controllable folding-jaw part (13) and the folding-jaw part (13).
  9. Folding-jaw cylinder (1) having at least one folding jaw which has two folding-jaw parts (7; 13), it being possible for a gap between these folding-jaw parts (7; 13) to be adjusted to the thickness of products to be processed, characterized in that an apparatus (32, 42, 46) is provided for the automatic adjustment of the gap between the folding-jaw parts (7; 13), and in that the apparatus (32, 42, 46) enlarges a width of the gap at a first speed and reduces a width of the gap at a second speed, the first speed being greater than the second speed.
  10. Folding-jaw cylinder (1) according to Claim 9, characterized in that the first speed is a multiple of the second speed.
EP97952749A 1996-12-21 1997-12-19 Folding jaws cylinder Expired - Lifetime EP0946366B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19653803 1996-12-21
DE19653803 1996-12-21
PCT/DE1997/002984 WO1998028139A1 (en) 1996-12-21 1997-12-19 Folding jaws cylinder

Publications (2)

Publication Number Publication Date
EP0946366A1 EP0946366A1 (en) 1999-10-06
EP0946366B1 true EP0946366B1 (en) 2000-05-10

Family

ID=7815870

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97952749A Expired - Lifetime EP0946366B1 (en) 1996-12-21 1997-12-19 Folding jaws cylinder

Country Status (6)

Country Link
US (2) US6283906B1 (en)
EP (1) EP0946366B1 (en)
JP (1) JP3382956B2 (en)
DE (1) DE59701676D1 (en)
ES (1) ES2147463T3 (en)
WO (1) WO1998028139A1 (en)

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DE102006005121A1 (en) * 2006-02-04 2007-08-09 Peter Mayr Folding device for a printing machine comprises a control unit having a working plunger, a control plunger, a compressor chamber and a storage unit for a fluid for the compressor chamber

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WO1998028139A1 (en) * 1996-12-21 1998-07-02 Koenig & Bauer Ag Folding jaws cylinder
JP3392110B2 (en) * 2000-08-09 2003-03-31 株式会社東京機械製作所 Rotating body of folding device
DE10106671C2 (en) * 2001-02-14 2003-10-02 Koenig & Bauer Ag folding blade
US7011617B2 (en) * 2001-04-10 2006-03-14 Goss International Americas, Inc. Folder with group jaw adjustment
DE10121559C1 (en) * 2001-05-03 2002-10-10 Koenig & Bauer Ag Cylinder, for folding apparatus of web-fed printing press, comprises rollers held in roller levers blocked or released by rotary movement of a contact piece about an axis of rotation
JP3564103B2 (en) * 2001-12-28 2004-09-08 株式会社東京機械製作所 The grip body of the grip device
JP2003212432A (en) * 2002-01-18 2003-07-30 Tokyo Kikai Seisakusho Ltd Nipping mechanism driving device of nipping folding device
JP3680945B2 (en) * 2002-06-14 2005-08-10 株式会社東京機械製作所 Automatic adjustment device for the customizing device
US20050272586A1 (en) * 2004-06-04 2005-12-08 Germain Patrick C S Gripper for a web folding cylinder
DE102004034047A1 (en) * 2004-07-13 2006-02-09 Man Roland Druckmaschinen Ag Adjusting device for a folder cylinder
DE102006051298B4 (en) * 2006-07-27 2013-09-19 Koenig & Bauer Aktiengesellschaft Method for retrofitting a web-fed printing press from an ongoing production of a first printed product to a subsequent production of a second printed product
FR2992254B1 (en) * 2012-06-20 2014-08-15 Holweg Sas MACHINE FOR MANUFACTURING BAGS WITH FLAT BOTTOM.

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Publication number Priority date Publication date Assignee Title
DE102006005121A1 (en) * 2006-02-04 2007-08-09 Peter Mayr Folding device for a printing machine comprises a control unit having a working plunger, a control plunger, a compressor chamber and a storage unit for a fluid for the compressor chamber

Also Published As

Publication number Publication date
US6514188B2 (en) 2003-02-04
EP0946366A1 (en) 1999-10-06
US6283906B1 (en) 2001-09-04
US20020032109A1 (en) 2002-03-14
WO1998028139A1 (en) 1998-07-02
JP3382956B2 (en) 2003-03-04
JP2000516188A (en) 2000-12-05
DE59701676D1 (en) 2000-06-15
ES2147463T3 (en) 2000-09-01

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