EP0749928B1 - Folding cylinder - Google Patents
Folding cylinder Download PDFInfo
- Publication number
- EP0749928B1 EP0749928B1 EP96108996A EP96108996A EP0749928B1 EP 0749928 B1 EP0749928 B1 EP 0749928B1 EP 96108996 A EP96108996 A EP 96108996A EP 96108996 A EP96108996 A EP 96108996A EP 0749928 B1 EP0749928 B1 EP 0749928B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spindle
- folding cylinder
- folding
- cylinder according
- adjustment
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/16—Rotary folders
- B65H45/162—Rotary folders with folding jaw cylinders
- B65H45/166—Rotary folders with folding jaw cylinders having an adjustable circumference
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/16—Rotary folders
- B65H45/162—Rotary folders with folding jaw cylinders
- B65H45/167—Rotary folders with folding jaw cylinders having associated sheet guide means
Definitions
- the invention relates to a folding cylinder according to the preamble of claim 1.
- a folding cylinder with an adjustable one is known from DE 295 02 957.9 U1 Circumference, the shaft of the folding cylinder with a coaxial Bore is provided, in which a drivable adjusting spindle is arranged, mechanically transfer their rotary motion to axially parallel spindles is that with the circumference of the folding cylinder varying radially adjustable Support elements for the folded products is coupled.
- a folding cylinder according to the preamble of claim 1 is known from DE-A-2309919.
- the invention has for its object a folding cylinder according to the Generic preamble of claim 1 to create that with inexpensive, simple Means an adjustment of the mechanisms while the machine is running guaranteed.
- the subclaims contain in particular with regard to the traction device, the Adjustment of the mechanisms in the form of folding jaws or the scope of the folding cylinder changeable support elements, the arrangement of the with Mechanisms connected spindle and the axial adjustment of the adjusting spindle favorable embodiments of the solution principle.
- Fig. 1 shows a folding cylinder 1 whose circumference by means of radially adjustable Support elements 2; 3 is changeable for the folding products, not shown.
- a is in a coaxial bore 4 of the shaft 5 of the folding cylinder 1
- Adjusting spindle 6 can be actuated by an outside of the machine casing Actuator 7 axially adjustable.
- a recess 8 of the adjusting spindle 6 are coaxial thereon spaced apart by a bolt 9; 10 the ends of a traction device in Shape of a chain 11 attached, the two converging Dreams 12; 13 each by a in a radial opening 14; 15 of the Bore 4 on an eccentric pin 16; 17 mounted deflection plate 18; 19 90 ° deflected with the interposition of a 90 ° angle offset one toothed, on an axis parallel to the shaft 5 in the fixed to this Cylinder body 20 mounted spindle 21 attached drive pulley 22 lead and embrace them.
- the spindle 21 has an eccentric pin 23 at its ends; 24, the one in the front of the folding cylinder 1 delimiting, rotatable on the Shaft 5 arranged disc 25; 26 positively in their direction of rotation intervention.
- the disks 25; 26 are inclined to the respective radial Slots 27; 28 equipped (Fig. 2), in each case radially positive a pin 29 to 32 in the cylinder body 20 axially parallel radially displaceable guided, along the cylinder body 20 several times with support elements 2; 3 equipped crossbeam 33; 34 engages (Fig. 1).
- a guide pin 38 is mounted axially fixed in the bearing housing 35 a link 39 is articulated, one of an axially parallel to the adjusting spindle 6 in the frame 40; 40 'mounted threaded spindle 41 penetrated Has threaded hole.
- the threaded spindle also engages another thread of opposite pitch, d. H. with a Right or left-hand thread in a corresponding threaded hole in a on the frame 40 attached guide piece 42. Outside the frame 40 ', the threaded spindle 41 is opposed by means of a clamping device 43 Lockable rotation and equipped with an operating element 44.
- Fig. 3 shows one of two rotatably arranged on the shaft 5 'with each jaws of the same type as fixed jaws 45 or movable Counter-folding flaps 46 equipped cylinder parts 47; 48 existing folding cylinders 1 ', the fixed jaws 45 on the inside massive Cylinder part 47 attached and the counter-folding flaps 46 in about axial openings 49; 50 of the latter by means of trusses 51; 52 connected and washers 53; 54 are stored.
- FIGS. 4 and 5 show a folding cylinder 1 '' designed analogously to FIG. 3, whose fixed jaws 45 'bearing cylinder member 47' opposite the movable counter-folding flaps 46 'carrying the cylinder part 48', deviating to Fig. 3, with the help of a perpendicular to the adjusting spindle 6 '' Plane arranged spindle 62 is rotatable in one with the driver 61 'fixedly connected fork 63 twice, each with radial play is mounted and the drive pulley 64 between the two bearing points bears, due to the arrangement rotated by 90 ° relative to FIGS. 1 to 3 the angular displacement links in the chain 65 are omitted and the two Deflection disks 66; 67 in an axis parallel to the adjusting spindle 6 '' through recess 68 are arranged.
- the spindle 62 engages with threads arranged at its ends opposite, equal pitch in a threaded hole in a respective cylinder part 47 'or 48' rotatably mounted bolt 69; 70 a, the bolt 69 for the inner cylinder part 47 'the outer Washer 53 'of the other cylinder part 48' in a recess under one the mutual rotation of the cylinder parts 47 '; 48 'enabling Radial play penetrated.
- the traction means with the associated drive means depending on the respective design of the folding cylinder both inside as well as be arranged on the end face of this.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Description
Die Erfindung betrifft einen Falzzylinder nach dem Oberbegriff von Anspruch
1.The invention relates to a folding cylinder according to the preamble of
Bekannt ist aus dem DE 295 02 957.9 U1 ein Falzzylinder mit einem verstellbaren Umfang, wobei die Welle des Falzzylinders mit einer koaxialen Bohrung ausgestattet ist, in der eine antreibbare Stellspindel angeordnet ist, deren Drehbewegung mechanisch auf achsparallele Spindeln übertragen wird, die mit den Umfang des Falzzylinders variierend radial verstellbaren Stützelementen für die Falzprodukte gekoppelt ist.A folding cylinder with an adjustable one is known from DE 295 02 957.9 U1 Circumference, the shaft of the folding cylinder with a coaxial Bore is provided, in which a drivable adjusting spindle is arranged, mechanically transfer their rotary motion to axially parallel spindles is that with the circumference of the folding cylinder varying radially adjustable Support elements for the folded products is coupled.
In der DE 38 38 314 A1 werden die genannten Mittel für eine Einstellung der Falzklappen auf unterschiedliche Dicken der Falzprodukte benutzt.In DE 38 38 314 A1, the means mentioned for an adjustment of the jaws to different thicknesses of the folding products used.
Aus der DE-A-2309919 ist ein Falzzylinder nach dem Oberbegriff von Anspruch 1 bekannt.A folding cylinder according to the preamble of
Die genannten Lösungen sind insbesondere hinsichtlich der Bewegungsübertragung zwischen der Stellspindel und der bzw. den mit den verstellbaren Mechanismen, wie Stützelemente oder Falzklappen, gekoppelten Spindeln kompliziert und damit technisch aufwendig und relativ teuer.The solutions mentioned are particularly with regard to the transmission of motion between the adjusting spindle and the one or the with the adjustable Mechanisms such as support elements or jaws, coupled spindles complicated and therefore technically complex and relatively expensive.
Der Erfindung liegt die Aufgabe zugrunde, einen Falzzylinder gemäß dem
Oberbegriff von Anspruch 1 zu schaffen, der mit kostengünstigen, einfachen
Mitteln eine Verstellung der Mechanismen während des Maschinenlaufs
gewährleistet.The invention has for its object a folding cylinder according to the
Generic preamble of
Die Aufgabe wird durch die kennzeichnenden Merkmale von Anspruch 1
erfüllt.The object is achieved by the characterizing features of
Die Verwendung eines Zugmittels ermöglicht auf engsten Raum eine einfache Übertragung der Verstellbewegung von der koaxialen Stellspindel auf die mit den verstellbaren Mechanismen verbundene Spindel. The use of a traction device makes it easy in the tightest of spaces Transfer of the adjustment movement from the coaxial adjusting spindle to the spindle associated with the adjustable mechanisms.
Die Unteransprüche enthalten insbesondere bezüglich des Zugmittels, der Verstellung der Mechanismen in Gestalt von Falzklappen oder den Umfang des Falzzylinders veränderbaren Stützelementen, der Anordnung der mit den Mechanismen verbundenen Spindel sowie der axialen Verstellung der Stellspindel günstige Ausführungsformen des Lösungsprinzipes.The subclaims contain in particular with regard to the traction device, the Adjustment of the mechanisms in the form of folding jaws or the scope of the folding cylinder changeable support elements, the arrangement of the with Mechanisms connected spindle and the axial adjustment of the adjusting spindle favorable embodiments of the solution principle.
Die Erfindung wird nachfolgend an Ausführungsbeispielen näher erläutert. In den zugehörigen Zeichnungen zeigen:
- Fig. 1:
- einen Längsschnitt eines Falzzylinders mit einer erfindungsgemäßen Verstellung dessen Stützelemente für die Falzprodukte während des Maschinenlaufes
- Fig. 2:
- einen Querschnitt gemäß Schnitt A-A von Fig. 1
- Fig. 3:
- einen Längsschnitt des Falzzylinders mit einer erfindungsgemäßen Verstellung dessen Falzklappen während des Maschinenlaufes
- Fig. 4:
- eine Variante von Fig. 3 mit anderer Spindelanordnung gemäß Schnitt D-D von Fig. 5
- Fig. 5:
- einen Querschnitt gemäß Schnitt C-C von Fig. 4
- Fig. 1:
- a longitudinal section of a folding cylinder with an adjustment according to the invention, the support elements for the folded products during machine operation
- Fig. 2:
- 2 shows a cross section according to section AA of FIG. 1
- Fig. 3:
- a longitudinal section of the folding cylinder with an adjustment according to the invention the folding jaws during the machine run
- Fig. 4:
- 3 with a different spindle arrangement according to section DD of FIG. 5
- Fig. 5:
- 3 shows a cross section according to section CC of FIG. 4
Fig. 1 zeigt einen Falzzylinder 1 dessen Umfang mittels radial verstellbarer
Stützelemente 2; 3 für die nicht dargestellten Falzprodukte veränderbar ist.Fig. 1 shows a folding
Dazu ist in einer koaxialen Bohrung 4 der Welle 5 des Falzzylinders 1 eine
Stellspindel 6 durch einen außerhalb der Maschinenverkleidung betätigbaren
Stelltrieb 7 axial verstellbar.For this purpose, a is in a
Im Bereich einer Aussparung 8 der Stellspindel 6 sind an dieser koaxial
beabstandet jeweils über einen Bolzen 9; 10 die Enden eines Zugmittels in
Gestalt einer Kette 11 befestigt, deren beiden aufeinander zulaufende
Trume 12; 13 jeweils durch eine in einem radialen Durchbruch 14; 15 der
Bohrung 4 auf einen Exzenterbolzen 16; 17 gelagerte Umlenkscheibe 18;
19 90° abgelenkt unter Zwischenfügung eines 90°-Winkelversatzgliedes zu
einer verzahnten, auf einer achsparallel zur Welle 5 in dem zu dieser festen
Zylinderkörper 20 gelagerten Spindel 21 befestigten Antriebsscheibe 22
führen und diese umschlingen.In the area of a
Die Spindel 21 besitzt an ihren Enden jeweils einen Exzenterzapfen 23; 24,
der in eine den Falzzylinder 1 stirnseitig begrenzende, verdrehbar auf der
Welle 5 angeordnete Scheibe 25; 26 formschlüssig in deren Drehrichtung
eingreifen. The
Die Scheiben 25; 26 sind mit zur jeweiligen Radiale schräg verlaufenden
Langlöcher 27; 28 ausgestattet (Fig. 2), in die jeweils radial formschlüssig
ein Zapfen 29 bis 32 einer im Zylinderkörper 20 achsparallel radial verschiebbar
geführten, längs des Zylinderkörpers 20 mehrfach mit Stützelementen
2; 3 bestückten Traverse 33; 34 eingreift (Fig. 1).The
Wie Fig. 1 zu entnehmen, ist an der Stellspindel 6 außerhalb der Bohrung 4
stirnseitig ein Lagergehäuse 35 befestigt, das mit Hilfe eines zur Stellspindel
6 achsparallel in eine Bohrung 36 der Welle 5 eingreifenden Führungsstiftes
37 gegenüber der Welle 5 verdrehgesichert ist.1, is on the adjusting
In dem Lagergehäuse 35 ist axial fixiert ein Führungsbolzen 38 gelagert, an
den ein Verbindungsstück 39 angelenkt ist, das eine von einer achsparallel
zur Stellspindel 6 im Gestell 40; 40' gelagerten Gewindespindel 41 durchsetzte
Gewindebohrung besitzt. Die Gewindespindel greift ebenfalls mit
einem weiteren Gewinde entgegengesetzter Steigung, d. h. mit einem
Rechts- oder Linksgewinde in eine entsprechende Gewindebohrung eines
am Gestell 40 befestigten Führungsstückes 42 ein. Außerhalb des Gestells
40' ist die Gewindespindel 41 mittels einer Klemmeinrichtung 43 gegen
Verdrehung fixierbar und mit einem Bedienelement 44 ausgestattet.A
Fig. 3 zeigt einen aus zwei verdrehbar auf der Welle 5' angeordneten, mit
jeweils Falzklappen gleicher Art als feste Falzklappen 45 bzw. bewegliche
Gegenfalzklappen 46 bestückten Zylinderteilen 47; 48 bestehenden Falzzylinder
1', wobei die festen Falzklappen 45 an dem innen liegenden massiven
Zylinderteil 47 befestigt und die Gegenfalzklappen 46 in über axiale Durchbrüche
49; 50 von letzterem mittels Traversen 51; 52 verbundenen und
beiderseits von diesem angeordneten Scheiben 53; 54 gelagert sind.Fig. 3 shows one of two rotatably arranged on the shaft 5 'with
each jaws of the same type as fixed
Zur Einstellung der Falzklappen auf unterschiedliche Produktdicken über eine
Verdrehung der Zylinderteile 47; 48 werden bis auf die in Gestalt und
Anordnung geänderte Spindel 55 die Mittel von Fig. 1 und 2 analog
angewendet, wobei die Spindel 55 mit einem Exzenterabschnitt 56 in einer
Aussparung 57 der Scheibe 54 einerseits in deren Drehrichtung formschlüssig
und andererseits mit radialem Spiel angeordnet und mit zwei zentrischen,
beiderseitig des Exzenterabschnittes 56 angeordneten Abschnitten
58; 59 mit dem Abschnitt 58 im anderen Zylinderteil 47 gelagert ist und
dem Abschnitt 59 in Drehrichtung des Falzzylinders 1' formschlüssig eine
Aussparung 60 eines auf der Welle 5' befestigten Mitnehmers 61 durchsetzt
sowie außen stirnseitig die Antriebsscheibe 22' trägt.For setting the jaws to different product thicknesses using one
Rotation of the
Die Fig. 4 und 5 zeigen einen analog zu Fig. 3 gestalteten Falzzylinder 1'',
dessen die festen Falzklappen 45' tragendes Zylinderteil 47' gegenüber dem
die beweglichen Gegenfalzklappen 46' tragenden Zylinderteil 48', abweichend
zu Fig. 3, mit Hilfe einer in einer zur Stellspindel 6'' senkrechten
Ebene angeordneten Spindel 62 verdrehbar ist, die in einer mit dem Mitnehmer
61' fest verbundenen Gabel 63 zweifach, jeweils mit radialem Spiel
gelagert ist und zwischen den beiden Lagerstellen die Antriebsscheibe 64
trägt, auf Grund deren gegenüber Fig. 1 bis 3 um 90° verdrehten Anordnung
die Winkelversatzglieder in der Kette 65 entfallen und die beiden
Umlenkscheiben 66; 67 in einer achsparallel zur Stellspindel 6'' verlaufenden,
durchgehenden Aussparung 68 angeordnet sind.4 and 5 show a folding cylinder 1 '' designed analogously to FIG. 3,
whose fixed jaws 45 'bearing cylinder member 47' opposite
the movable counter-folding flaps 46 'carrying the cylinder part 48', deviating
to Fig. 3, with the help of a perpendicular to the adjusting spindle 6 ''
Plane arranged
Die Spindel 62 greift über an ihren Enden angeordnete Gewinde jeweils mit
entgegengesetzter, gleich großer Steigung in eine Gewindebohrung eines im
jeweiligen Zylinderteil 47' bzw. 48' verdrehbar gelagerten Bolzens 69; 70
ein, wobei der Bolzen 69 für das innen liegende Zylinderteil 47' die äußere
Scheibe 53' des anderen Zylinderteiles 48' in einer Aussparung unter einem
die gegenseitige Verdrehung der Zylinderteile 47'; 48' ermöglichenden
Radialspiel durchsetzt.The
Möglich ist auch die Verstellung der Stützelemente für die Falzprodukte bzw. Falzklappen mit Hilfe mehrerer Spindeln, die jeweils getrennt über Antriebsscheibe, Zugmittel und Umlenkscheiben mit der Verstellspindel verbunden sind, wobei diese Antriebssysteme zur Verstellspindel axial versetzt angeordnet sind, oder mit Hilfe mehrerer zur Verstellspindel achsparalleler Spindeln, die jeweils über eine Antriebsscheibe gemeinsam über ein in einer senkrechten Ebene verlaufendes, endloses Zugmittel in Antriebsverbindung und über eine Spindel mittels deren gesonderten Antriebsscheibe, Zugmittels und Umlenkscheiben mit der Verstellspindel in Verbindung stehen.It is also possible to adjust the support elements for the folded products or jaws with the help of several spindles, each separately over Drive pulley, traction device and deflection pulleys with the adjustment spindle are connected, these drive systems to the adjusting spindle axially are arranged offset, or with the help of several axially parallel to the adjusting spindle Spindles, each over a drive pulley together an endless traction device running in a vertical plane in drive connection and via a spindle by means of its separate drive pulley, Traction means and deflection disks in connection with the adjusting spindle stand.
In beiden Fällen können die Zugmittel mit den zugehörigen Antriebsmitteln in Abhängigkeit zur jeweiligen Gestaltung des Falzzylinders sowohl innerhalb als auch stirnseitig von diesem angeordnet sein.In both cases, the traction means with the associated drive means depending on the respective design of the folding cylinder both inside as well as be arranged on the end face of this.
Claims (22)
- Folding cylinder (1) for folding devices in rotary printing machines having adjustable mechanisms - in particular having adjustable support elements (2, 3) for the folded products which vary the circumference of the folding cylinder, or adjustment elements for folding jaws (45, 46, 45', 46') which make adjustment of the product thickness possible, which are in operational connection with at least one spindle (21, 55, 62) which is arranged in the folding cylinder (1) radially spaced from its shaft (5; 5'; 5'') and can be rotated with the aid of an adjustment spindle (6; 6'; 6'') arranged in a coaxial bore of the shaft, the adjustment spindle (6; 6'; 6'') being arranged to be axially movable with respect to the shaft (5; 5', 5'') in its bore (4; 4'; 4'') but secured against rotation, characterised in that the adjustment spindle is respectively fixedly connected to the ends of a traction means and axially spaced therefrom, both strands (12; 12'; 12''; 13; 13'; 13'') of the traction means, running towards each other, lead by means of respective guide discs (18; 18'; 19; 19'; 66; 67) arranged in a radial passage (14; 14'; 15; 15'; 68) of the bore (4; 4'; 4'') to a drive disc (22; 22'; 64) secured on the spindle (21; 55; 62) and looped round by the traction means.
- Folding cylinder according to claim 1, characterised in that the spindle (21; 55) is arranged with its axis parallel to the adjustment spindle (6; 6').
- Folding cylinder according to claim 1, characterised in that the spindle (62) is arranged in a plane perpendicular to the adjustment spindle (6'').
- Folding cylinder according to claim 1 to 3, characterised in that at least the drive disc (22; 22'; 64) is toothed, the traction means is designed as a chain (11; 11'; 65) or toothed belt and, when the spindle (21; 55) is arranged with its axis parallel to the adjustment spindle (6, 6'), the strands (12; 12'; 13; 13';) are respectively equipped with a 90° angular offset member between the guide disc (18; 18'; 19; 19') and the drive disc (22; 22').
- Folding cylinder according to claim 1 to 3, characterised in that the traction means is designed as a cable which is secured to the circumference of the drive disc (22; 22'; 64) in the region where it loops round it.
- Folding cylinder according to claim 1, 2, 4 and 5, characterised in that the guide discs (18; 18'; 19' 19') are arranged at an angle to each other in two different planes lying parallel to the axis of the shaft (5; 5') in the direction of the respective strands (12; 12'; 13; 13').
- Folding cylinder according to claim 1, 3 to 5, characterised in that the guide discs (66; 67), leaving an intermediate space for the strands (12''; 13''), the traction means and the drive disc (64) are arranged in a plane parallel to the axis of the shaft (5'').
- Folding cylinder according to claim 1 to 7, characterised in that the guide discs (18; 18'; 19, 19'; 66; 67) are mounted on adjustable eccentric pins (16; 16'; 16''; 17; 17'; 17'').
- Folding cylinder according to claim 1 to 8, characterised in that the traction means is respectively secured on a pin (9; 10) located radially in the adjustment spindle (6; 6'; 6'').
- Folding cylinder according to claim 1 to 9, characterised in that a bearing housing (35) is secured at the end of the adjustment spindle (6; 6'; 6'') outside the bore (4; 4'; 4'') and is secured against rotation with respect to the shaft (5; 5'; 5'') with the aid of a guide pin (37) with its axis parallel to the adjustment spindle (6; 6'; 6'').
- Folding cylinder according to claim 10, characterised in that mounted coaxially to the adjustment spindle (6; 6'; 6'') and axially fixed in the bearing housing (35) is a guide pin (38), engaging on which, in a positive-locking manner, are means which bring about the axial adjustment of the adjustment spindle (6; 6'; 6'').
- Folding cylinder according to claim 11, characterised in that on the guide pin (38) there is articulated a connection piece (39) which is penetrated by a threaded spindle (41) mounted in the frame (40; 40') with its axis parallel to the adjustment spindle (6; 6'; 6''), ensuring axially effective positive locking in a bore.
- Folding cylinder according to claim 12, characterised in that outside the frame (40; 40') the threaded spindle (41) is equipped with a clamping device (43) and carries an operating element (44).
- Folding cylinder according to claim 1; 2; 4 to 6; 8 to 13, characterised in that the spindle (21) mounted axis-parallel in the cylinder body (20) engages in a positive-locking manner on both sides of the cylinder body (20) respectively with an eccentric journal (23; 24) into a recess of a disc (25; 26) arranged rotatably on the shaft of the folding cylinder, which each have slots (27; 28) extending horizontally to the respective radial, into which in the radial direction, in a positive-locking manner, there engages respectively a journal (29 to 32) of a crosspiece (33; 34), guided radially movably in the cylinder body (20) with its axis parallel, equipped along the cylinder body (20) with several support elements (2; 3).
- Folding cylinder according to claim 1; 2; 4 to 6; 8 to 13, characterised in that the spindle (55) equipped with at least one eccentric section (56) engages with one section (55; 56) respectively into one cylinder portion (48; 47) of two cylinder portions (47; 48) equipped respectively with folding jaws of the same type, functioning as movable counter folding jaws (46) and fixed folding jaws (45), and arranged rotatably on the shaft (5), and is guided or mounted with a third central section (59) in a drive piece (61) fixedly connected to the shaft (5').
- Folding cylinder according to claim 15, characterised in that the spindle (60) (sic) on the outside of the drive piece (61) carries the drive disc (22') with a traction means extending over the end face of the folding cylinder (1').
- Folding cylinder according to claim 1; 3 to 5; 7 to 13, characterised in that the spindle (62) is mounted at the end face of the folding cylinder (1'') in a holding means connected to a drive piece (61') which is fixed against rotation with respect to the shaft (5'') of the cylinder, and is equipped at its ends with threads of different pitch with which it respectively engages into the threaded bore of an intermediate portion connected to a cylinder portion (47'; 48') arranged rotatably on the shaft (5'') and equipped with folding jaws of the same type, functioning as fixed folding jaws (45') and movable counter folding jaws (46'), so as to cause a mutual rotation of the cylinder portions.
- Folding cylinder according to claim 17, characterised in that the holding means is constructed as a fork (63) used for the two-fold mounting of the spindle (62), maintaining a radial clearance which makes possible the mutual rotation of the cylinder portions (47'; 48'), and receiving the drive disc (64) between its arms.
- Folding cylinder according to claim 17 and 18, characterised in that the intermediate piece is designed as a pin (69; 70) mounted rotatably in the respective cylinder portion (47'; 48') and equipped with a radial threaded bore for the spindle (62).
- Folding cylinder according to claim 17 to 19, characterised in that the pitch of the threads at the ends of the spindle (62) is the same size and of opposite directions.
- Folding cylinder according to claim 1 to 20, characterised in that several spindles are each separately in drive connection with the adjustment spindle (6, 6', 6''), the drive systems, comprising respectively traction means, guide discs and drive disc, being axially offset to the adjustment spindle.
- Folding cylinder according to claim 1; 2; 4 to 6; 8 to 16, characterised in that several spindles with their axis parallel to the adjustment spindle (6; 6'; 6'') are respectively operatively connected to one another by a drive disc by means of an endless traction means extending in a perpendicular plane, and to the adjustment spindles (6; 6'; 6'') by means of a drive system comprising drive disc, traction means and guide discs.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19522903 | 1995-06-23 | ||
| DE19522903A DE19522903A1 (en) | 1995-06-23 | 1995-06-23 | Folding cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0749928A1 EP0749928A1 (en) | 1996-12-27 |
| EP0749928B1 true EP0749928B1 (en) | 1999-08-25 |
Family
ID=7765127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96108996A Expired - Lifetime EP0749928B1 (en) | 1995-06-23 | 1996-06-05 | Folding cylinder |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5782464A (en) |
| EP (1) | EP0749928B1 (en) |
| DE (2) | DE19522903A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7338425B1 (en) * | 2000-01-12 | 2008-03-04 | Goss International Americas, Inc. | Variable length cutting device |
| DE10220109B4 (en) * | 2002-05-04 | 2007-04-05 | Man Roland Druckmaschinen Ag | Drive for expansion segments for diameter adjustment on the folding cylinder |
| US7819791B1 (en) * | 2007-09-28 | 2010-10-26 | Packaging Equipment Inc. | Cartoner for cartons having concave sides |
| CN101580191B (en) * | 2009-03-30 | 2011-11-09 | 长沙奥托印刷机械有限公司 | Tension device for paper feeding belt of composite paper folding machine |
| CN115669755A (en) * | 2022-11-02 | 2023-02-03 | 张春生 | Tea rolling machine capable of preventing tea from leaking |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2093233A (en) * | 1936-05-14 | 1937-09-14 | Duplex Printing Press Co | Rotary folding mechanism for printing presses |
| DE2011661B1 (en) * | 1970-03-12 | 1971-07-15 | Maschinenfabrik Augsburg Nuernberg Ag | Fold measuring cylinders for rotary printing machines |
| DE2309919A1 (en) * | 1973-02-28 | 1974-09-05 | Frankenthal Ag Albert | GROOVING AND FOLDING KNIFE CYLINDERS ON FOLDING EQUIPMENT OF ROTARY PRINTING MACHINES |
| JPS6186368A (en) * | 1984-10-02 | 1986-05-01 | Ikegai Gosu Kk | Folding device in printing machine |
| IT1227324B (en) * | 1988-07-29 | 1991-04-08 | Cerutti Spa Off Mec | BENDER PERFECTED FOR SIGNATURES PRODUCED BY A PRINTING MACHINE. |
| DE3838314A1 (en) * | 1988-11-11 | 1990-05-17 | Koenig & Bauer Ag | FOLDING VALVE CYLINDER FOR A ROLL ROTARY PRINTING MACHINE |
| DE4415620C2 (en) * | 1994-05-04 | 1999-11-25 | Roland Man Druckmasch | Jaw cylinder |
| DE29502957U1 (en) * | 1995-02-22 | 1995-04-06 | MAN Roland Druckmaschinen AG, 63075 Offenbach | Cylinder in an adjustable diameter folder |
-
1995
- 1995-06-23 DE DE19522903A patent/DE19522903A1/en not_active Withdrawn
-
1996
- 1996-06-05 DE DE59602851T patent/DE59602851D1/en not_active Expired - Lifetime
- 1996-06-05 EP EP96108996A patent/EP0749928B1/en not_active Expired - Lifetime
- 1996-06-24 US US08/668,914 patent/US5782464A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0749928A1 (en) | 1996-12-27 |
| DE19522903A1 (en) | 1997-01-02 |
| DE59602851D1 (en) | 1999-09-30 |
| US5782464A (en) | 1998-07-21 |
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