EP0638421B1 - Gummi-/Drucktuchzylinder - Google Patents
Gummi-/Drucktuchzylinder Download PDFInfo
- Publication number
- EP0638421B1 EP0638421B1 EP94111841A EP94111841A EP0638421B1 EP 0638421 B1 EP0638421 B1 EP 0638421B1 EP 94111841 A EP94111841 A EP 94111841A EP 94111841 A EP94111841 A EP 94111841A EP 0638421 B1 EP0638421 B1 EP 0638421B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- blanket
- spring
- pushing
- spindle
- 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
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F30/00—Devices for attaching coverings or make-ready devices; Guiding devices for coverings
- B41F30/04—Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching to transfer cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1218—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices
- B41F27/125—Devices for attaching printing elements or formes to supports for attaching flexible printing formes comprising printing plate tensioning devices moving in the printing plate end on a curvilinear path, e.g. by winding on a roll
Definitions
- the invention relates to a cylinder for receiving a Rubber or printing blanket for rotary printing machines according to the preamble of claim 1.
- EP 0 331 777 A1 and US-A-2 929 323 describe Clamps for attaching a flexible Elevator on a cylinder of a rotary printing press with a radially movable clamping bar.
- This Tension bar is with a groove for receiving one end of the elevator.
- the disadvantage here is that when the first End of the blanket in the groove and hanging this end the possibility of slipping out of the Blanket from the cylinder pit, especially at Turning the cylinder. Furthermore, it is possible that the blanket is removed from the cylinder endeavors as a result of long use the side wall of the cylinder pit or in the groove stuck.
- the invention has for its object a Cylinder with a tool-free device reliable and quick release of one end of a Rubber or printing blanket from a holding device Cylinder pit of a cylinder of a printing press create.
- the invention in particular the following Advantages achieved: Due to the arrangement of one Mechanism for releasing the on one side in the cylinder pit of the cylinder located first It is the end of a blanket / blanket with one Blanket changes have become possible, this end too after a long use of the blanket quickly and can be reliably removed. It is also possible that first end of a new one to be mounted on the cylinder Printing blanket reliable during the winding process to hold on.
- a hinted Cylinder 2 extends a total of 3 designated device for clamping one on the Jacket of the cylinder 2 located rubber blanket or Printing blanket 10, hereinafter referred to as "printing blanket 10" called -, in the circumferential direction.
- the cylinder pit 1 has a flat bottom surface 4 and two the bottom surface 4 delimiting side surfaces 6, 7.
- the in the Device 3 arranged in the cylinder pit extends in the axis-parallel direction to the cylinder 2.
- An insert bar extends from the first side surface 6 8 with an acute parallel axis Edge 9 for receiving an angled first end 48 of the printing blanket 10.
- the insert bar 8 sits with its second end near the bottom surface 4 on one Base plate 11.
- a second insert bar 12 Extends along the second side surface 7 a second insert bar 12 with an acute angle running, axially parallel, rounded edge 13, over which a second end 49 of the printing blanket 10 drawn and one to be described in more detail Tensioning spindle 14 for tensioning the second blanket end 49 is supplied.
- the blanket 10 has at each end 48, 49 a border 51.
- the bezel 51 of the first blanket end 48 engages behind one in the insert bar 8 parallel to an axis of rotation 52 extending hooking edge 53 of a groove 54.
- Die Insert bar 8 is together with insert bar 12 executed in one piece via webs, not shown, and has cavities for receiving clamping spindle pieces 14.1 to 14.4 and racks 18, 19, 21, 22.
- the Insert bar 12 is in Fig. 1 only with its end faces indicated.
- the clamping spindle 14 has a essential circular cross-section with a slot 16 for receiving the second end 49 of the to be exciting Blanket 10 on.
- the slot 16 diametrically on
- the circumference of the clamping spindle 14 is opposite Teeth 17 with a width that is the length g of the Clamping spindle 14 or those to be shown in more detail Correspond to the spindle pieces.
- the tip circle of the toothing 17 can be the diameter correspond to the clamping spindle 14.
- the clamping spindle 14 is different in length, e.g. B. four equally long clamping spindle pieces 14.1, 14.2, 14.3, 14.4 divided, of which in Fig. 1 the clamping spindle piece 14.4 has not been shown. That also applies to another rack too, on which that is not illustrated spindle piece 14.4 with its second supports the front end.
- These spindle pieces 14.1 to 14.4 engage with the base plate 11 facing side with the toothing 17 into the top of racks 18, 19, 21, 22 a.
- the racks 18, 19, 21, 22 have one square cross-section, correspond in their Length l of 0.6 times to 0.8 times the width b of Cylinder pit 1 and are with their bottom surface on the Base plate 11 of the cylinder pit 1 against each Force of a spring 23, 24, 26, 27 in the circumferential direction of the cylinder 2 movable.
- the racks 18, 19, 21, 22 can also consist of a round cross-section.
- the racks 18, 19, 21, 22 are each under at the ends 29, 30, 31, 32, 33, 34 of the clamping spindle pieces 14.1, 14.2, 14.3, 14.4 of the Clamping spindle 14 arranged so that the first end 29 of the clamping spindle piece 14.1 in the rack 18 engages the second end 30 of the clamping spindle piece 14.1 and the first end 31 of the clamping spindle piece 14.2 engages in the rack 19, the second end 32 of the clamping spindle piece 14.2 and the first end 33 of the clamping spindle piece 14.3 in the rack 21, the second end 34 of the clamping spindle piece 14.3 and that not shown first end of the clamping spindle piece 14.4 engages in the rack 22.
- the racks 18, 19, 21, 22 have cohesive their top each on a pin 36, each in a round-ended in the insert bar 8 Slot 37 engages.
- All slots 37 are parallel to each other and parallel arranged to the end faces of the cylinder 2.
- the springs 23, 24, 26, 27 can also be in a first End face 38 of the rack 18, 19, 21, 22 located Blind hole 39 be held.
- One each second side surface 7 facing the cylinder pit 1 second end face 41 of the toothed racks 18, 19, 21, 22 is non-positive and positive with a parallel to second side surface 7 of the cylinder pit 1 extending Platen 42, 43, 44, 45, e.g. B. by not shown screws connected. This platen 42, 43, 44, 45 in Fig.
- the air hose 47 is closed at its first end and on its second end with a not shown Connection for the inlet and outlet of compressed air Mistake.
- the first air hose is expedient 47 assigned a second air hose 57 in parallel, which also has a nozzle, not shown is pressurized with compressed air.
- the compressed air with a pressure of 4 to 6 bar is not above one shown hose and a not shown Valve can be obtained from a compressed air system.
- the stub is located on the front side of the device 3 and is with the cylinder 2 at a standstill the said hose connected.
- the device 3 is through through holes, not shown, in the Base plate 11 fastened in the cylinder pit 1.
- screws provided with Tapped holes, not shown, of the bottom surface 4 the cylinder pit 1 interact.
- the Base plate 11 with the one-piece insert strips 8, 12 connected by means of retaining screws, not shown.
- the insert strips 8, 12 are on the clamping spindle 14 facing the circumference of the clamping spindle 14 adjusted, but so that between the insert bar 8th and the slot 16 of the clamping spindle 14 the second End 49 of the blanket 10 can be added.
- the Clamping spindle 14 can also be made in one piece.
- the first end 48 of the rubber blanket 10 is seen in a cross section, extending axially parallel in the radial direction Brought groove 54 and behind by means of the border 51 the hanging edge 53 hooked.
- the printing blanket 10 will now placed around the edge 9 of the insert bar 8.
- Rotation of the cylinder 2 enters the second end 49 the area of the edge 13 of the insert bar 12 and inserted with its border 51 in the slot 16 (Fig. 3).
- the air hoses 47, 57 are included Compressed air applied.
- the compressed air supply is used to clamp the clamping spindle 14 interrupted so that the compressed air from the Air hoses 47, 57 and springs 23, 24, 26, 27 the racks 18, 19, 21, 22 synchronously over the Clamping spindle pieces 14.1, 14.2, 14.3, 14.4 back in bring the clamping position (Fig. 2).
- the printing blanket 10 is excited.
- Cleaning or maintenance work can Clamping spindle pieces 14.1, 14.2, 14.3, 14.4 from one Gap that is in the cylinder pit 1 between the end of the device 3 and one not shown Bearer ring is removed.
- a locking device designated overall by 56, is provided in the cylinder pit 1 parallel to the toothed racks 18, 19, 21, 22 and moves synchronously with the above-mentioned toothed rack 18, 19, 21, 22 transversely to the axis of rotation 52 of the clamping spindle 14.
- the locking device 56 consists of a toothed rack 58 with a bore 59 for receiving a bolt 61, which is connected at its first end in a non-positive and positive manner to a support plate 62, which in turn is spaced apart from the second end face 41 of the toothed rack 58 by means of compression springs 63.
- the bolt 61 has a chamfer 64 at its second end.
- the opening 59 is followed by an opening for receiving a two-armed lever 66 which is mounted on the rack fixed by means of a retaining bolt 67.
- a first end 68 of the lever 66 is chamfered and is non-positively connected to the chamfer 64 of the bolt 61 in the event of a blanket change.
- a second end 69 of the lever 66 is angled approximately 45 ° with respect to the first end 68 in the direction of the base plate 11 and engages with its front edge in a toothing 71 which is incorporated in the base plate 11 in the form of a part of a toothed rack.
- the two-armed lever 66 is pressed against the force of a spring, not shown, with its second end 69 into the toothing 71.
- the operation is as follows: In the tensioned position according to FIG. 4, the printing blanket 10 cannot loosen when the cylinder 2 rotates in the counterclockwise direction C as a result of a flexing movement, since the lever 66 engages with the toothing 71 of the base plate 11 with its second end 69 .
- the printing blanket 10 can, however, continue to tension itself if the compression springs 23, 24, 26, 27 expand further.
- the toothed rack 58 with its toothing 72 moves in the direction of the air hoses 47, 57 and the second end 69 of the lever 66 engages one tooth further to the right.
- compressed air is introduced into the air hoses 47, 57.
- the air hoses 47, 57 now first press against the support plate 62 protruding somewhat from the other support plates 42 to 45, so that the chamfering of the bolt 61 comes into positive engagement with the slope of the first end 68 and presses in the direction of the base plate 11.
- the insert bar 8 shows an ejection element designated as a whole by 73 arranged, which consists of a in the insert 8th parallel to the direction of movement of the racks 18, 19, 21, 22 movably guided pin 74, which with its first end 76 with an unspecified Piston of a piston-cylinder unit 77 force and is positively connected.
- the pin 74 presses in If the piston-cylinder unit 77 is actuated, e.g. B.
- the sliding pins 74 can also be driven by means of an axis of rotation 52 of the clamping spindle 14 Camshaft arranged in parallel in the insert strip 8 respectively.
Landscapes
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
Description
- Fig. 1
- eine perspektivische Darstellung einer erfindungsgemäßen Vorrichtung, teilweise ausgebrochen, in Spannstellung;
- Fig. 2
- einen Schnitt II - II in Fig. 1;
- Fig. 3
- eine Darstellung nach Fig. 2, jedoch in Einhängestellung;
- Fig. 4
- einen Schnitt IV - IV in Fig. 1 jedoch mit der Darstellung einer Sperreinrichtung nach Fig. 4;
- Fig. 5
- eine Ansicht A der Sperreinrichtung in Fig. 4;
- Fig. 6
- einen Schnitt VI - VI in Fig. 4 in verkleinerter Darstellung.
- 1
- Zylindergrube (2)
- 2
- Zylinder
- 3
- Vorrichtung
- 4
- Bodenfläche (1)
- 5
- -
- 6
- Seitenfläche (1), erste
- 7
- Seitenfläche (1), zweite
- 8
- Einsatzleiste (3)
- 9
- Kante (8)
- 10
- Gummi- bzw. Drucktuch
- 11
- Bodenplatte
- 12
- Einsatzleiste (3)
- 13
- Kante (12)
- 14
- Spannspindel
- 14.1
- Spannspindelstück
- 14.2
- Spannspindelstück
- 14.3
- Spannspindelstück
- 14.4
- Spannspindelstück
- 15
- -
- 16
- Schlitz
- 17
- Verzahnung (14.1, 14.2, 14.3, 14.4)
- 18
- Zahnstange
- 19
- Zahnstange
- 20
- -
- 21
- Zahnstange
- 22
- Zahnstange
- 23
- Feder (18)
- 24
- Feder (19)
- 25
- -
- 26
- Feder (21)
- 27
- Feder (22)
- 28
- -
- 29
- Ende, erstes (14.1)
- 30
- Ende, zweites (14.1)
- 31
- Ende, erstes (14.2)
- 32
- Ende, zweites (14.2)
- 33
- Ende, erstes (14.3)
- 34
- Ende, zweites (14.3)
- 35
- -
- 36
- Zapfen (18, 19, 21, 22)
- 37
- Schlitz (8)
- 38
- Stirnseite, erste (18, 19, 21, 22, 58)
- 39
- Sacklochbohrung (18, 19, 21, 22)
- 40
- -
- 41
- Stirnseite, zweite (18, 19, 21, 22, 58)
- 42
- Auflageplatte
- 43
- Auflageplatte
- 44
- Auflageplatte
- 45
- Auflageplatte
- 46
- -
- 47
- Luftschlauch
- 48
- Ende, erstes (10)
- 49
- Ende, zweites (10)
- 50
- -
- 51
- Einfaßleiste (10)
- 52
- Rotationsachse (14)
- 53
- Einhängekante (54)
- 54
- Nut (8)
- 55
- -
- 56
- Sperreinrichtung
- 57
- Luftschlauch, zweiter
- 58
- Zahnstange (56)
- 59
- Bohrung (58)
- 60
- -
- 61
- Bolzen
- 62
- Auflageplatte
- 63
- Druckfedern
- 64
- Abfasung (61)
- 65
- -
- 66
- Hebel
- 67
- Bolzen (66)
- 68
- Ende, erstes (66)
- 69
- Ende, zweites (66)
- 70
- -
- 71
- Verzahnung
- 72
- Verzahnung (58)
- 73
- Ausdrückelement
- 74
- Stift (73)
- 75
- -
- 76
- Ende, erstes (74)
- 77
- Kolben-Zylindereinheit
- 78
- Ende, zweites (74)
- 79
- Feder
- 80
- -
- 81
- Abflachung (14)
- l
- Länge (18, 19, 21, 22)
- b
- Breite (1)
- h
- Höhe (42, 43, 44, 45)
- e
- Breite (47)
- g
- Länge (14.1, 14.2, 14.3, 14.4)
- A
- Ansicht
- C
- Drehrichtung (2)
Claims (10)
- Zylinder (2) zur Aufnahme eines Gummi- bzw. Drucktuches (10) für eine Rotationsdruckmaschine mit einer in eine Zylindergrube (1) mündende Einhängenut (54) für ein eingefaßtes Ende (51) des Gummi- bzw. Drucktuches (10), dadurch gekennzeichnet, daß die Einhängenut (54) bezüglich des Zylinders (2) ortsfest ist und daß eine schaltbare Einrichtung (77, 76, 73, 78) zum Herausdrücken des eingefaßten Endes (51) des Gummi-/Drucktuches (10) aus der Einhängenut (54) vorgesehen ist.
- Zylinder (2) nach Patentanspruch 1, dadurch gekennzeichnet, daß die Einrichtung (77, 76, 73, 78) zum Herausdrücken zumindest ein in die Einhängenut (54) zeitweise eindringendes Ausdrückelement (73) aufweist.
- Zylinder (2) nach den Patentansprüchen 1 bis 2, dadurch gekennzeichnet, daß das Ausdrückelement (73) gegen die Kraft zumindest einer Feder (79) verschiebbar ist.
- Zylinder (2) nach den Patentansprüchen 1 bis 3, dadurch gekennzeichnet, daß die Feder (79) am Umfang einer in der Zylindergrube (1) gelagerten Spannspindel (14) angeordnet ist.
- Zylinder (2) nach den Patentansprüchen 1 bis 4, dadurch gekennzeichnet, daß die Feder (79) zylindergrubenfest angeordnet ist.
- Zylinder (2) nach den Patentansprüchen 1 bis 4, dadurch gekennzeichnet, daß die Spannspindel (14) in Spannrichtung gesehen, hinter ihrem Aufnahmeschlitz (16) eine einseitige Abflachung (81) zur Aufnahme der Feder (79) aufweist.
- Zylinder (2) nach den Patentansprüchen 1 bis 3 und 5, dadurch gekennzeichnet, daß die Feder (79) an einem zylindergrubenfesten Halter angeordnet ist.
- Zylinder (2) nach den Patentansprüchen 1 bis 7, dadurch gekennzeichnet, daß das Ausdrückelement (73) einen bewegbaren Stift (74) aufweist, welcher an seinem ersten Ende (76) kraft- und formschlüssig mit einer Kolben-Zylindereinheit (77) verbunden ist und mit seinem zweiten Ende (78) kraftschlüssig gegen ein eingefaßtes Ende (51) des einen Endes (48) des Gummi-/Drucktuches (10) wirkt.
- Zylinder (2) nach Patentanspruch 1, dadurch gekennzeichnet, daß die schaltbare Einrichtung (77, 76, 73, 78) gegen eine in Richtung des Gummituches (10) verlaufende Planseite des eingefaßten Endes (51) wirkend angeordnet ist.
- Zylinder (2) nach Patentanspruch 2, dadurch gekennzeichnet, daß das Ausdrückelement mittels einer Nockenwelle bewegbar angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4326251 | 1993-08-05 | ||
DE4326251A DE4326251C2 (de) | 1993-08-05 | 1993-08-05 | Gummi-/Drucktuchzylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0638421A1 EP0638421A1 (de) | 1995-02-15 |
EP0638421B1 true EP0638421B1 (de) | 1998-04-15 |
Family
ID=6494487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94111841A Expired - Lifetime EP0638421B1 (de) | 1993-08-05 | 1994-07-29 | Gummi-/Drucktuchzylinder |
Country Status (4)
Country | Link |
---|---|
US (1) | US5461981A (de) |
EP (1) | EP0638421B1 (de) |
JP (1) | JP2569280B2 (de) |
DE (2) | DE4326251C2 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19515632C2 (de) * | 1995-04-28 | 2000-11-30 | Koenig & Bauer Ag | Vorrichtung zum Verstellen von Vordermarken auf einem Zylinder in einer Bogenrotationsdruckmaschine |
JPH10754A (ja) * | 1996-06-17 | 1998-01-06 | Shinohara Tekkosho:Kk | 枚葉式印刷機の版胴 |
DE19636412C1 (de) * | 1996-09-07 | 1998-01-08 | Koenig & Bauer Albert Ag | Zylinder |
DE19642141C1 (de) * | 1996-10-12 | 1998-06-18 | Koenig & Bauer Albert Ag | Vorrichtung zum Lösen von Platten |
US6026746A (en) * | 1998-09-22 | 2000-02-22 | E. R. Smith Associates, Inc. | Lock-up assembly for plate cylinders of rotary presses |
DE10250684B3 (de) * | 2002-10-31 | 2004-04-01 | Koenig & Bauer Ag | Verfahren zur Herstellung eines Rotationskörpers und Rotationskörper einer Druckmaschine |
DE10349447B4 (de) * | 2003-10-23 | 2005-10-06 | Koenig & Bauer Ag | Verfahren zur Herstellung eines Zylinders und Zylinder |
CN103946024B (zh) * | 2011-09-25 | 2017-04-19 | 惠普印迪戈股份公司 | 橡皮布张紧装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2929323A (en) * | 1959-06-03 | 1960-03-22 | J W Clement Company | Lock-up device |
US3625151A (en) * | 1969-07-07 | 1971-12-07 | Baker Perkins Ltd | Printing plate locking device |
US3844214A (en) * | 1971-11-01 | 1974-10-29 | Dayco Corp | Printing blanket bar assembly with edging strip locking means |
DE2707643C3 (de) * | 1977-02-23 | 1980-03-27 | M.A.N. - Roland Druckmaschinen Ag, 6050 Offenbach | Vorrichtung zum Spannen eines Drucktuches auf dem Zylinder einer Druckmaschine |
DE3443353A1 (de) * | 1984-11-28 | 1986-06-05 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Vorrichtung zum spannen von druckplatten auf flexo- und offset-plattenzylindern |
GB8616952D0 (en) * | 1986-07-11 | 1986-08-20 | Hercules Inc | Printing plate |
US4833986A (en) * | 1987-03-05 | 1989-05-30 | M.A.N. Roland Druckmaschinen Ag | Holding and tensioning system for a cover layer on a printing machine cylinder |
DE3707066A1 (de) * | 1987-03-05 | 1988-09-15 | Roland Man Druckmasch | Spannvorrichtung zur befestigung eines aufzuges am zylinder einer rotationsdruckmaschine |
EP0331777B1 (de) * | 1988-03-09 | 1991-09-04 | M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft | Spannvorrichtung zur Befestigung eines Aufzuges am Zylinder einer Rotationsdruckmaschine |
DE4034494C1 (de) * | 1990-10-30 | 1992-03-05 | Heidelberger Druckmaschinen Ag, 6900 Heidelberg, De | |
DE4127714A1 (de) * | 1991-08-22 | 1993-02-25 | Koenig & Bauer Ag | Einrichtung zum befestigen und spannen eines drucktuches auf einem zylinder einer druckmaschine |
DE4210316C2 (de) * | 1992-03-30 | 1994-02-24 | Heidelberger Druckmasch Ag | Klemm- und Spannvorrichtung für eine Druckplatte in einer Druckmaschine |
DE4300099C1 (de) * | 1993-01-05 | 1993-12-16 | Heidelberger Druckmasch Ag | Klemmeinrichtung mit parallelen Klemmflächen |
-
1993
- 1993-08-05 DE DE4326251A patent/DE4326251C2/de not_active Expired - Fee Related
-
1994
- 1994-07-29 DE DE59405693T patent/DE59405693D1/de not_active Expired - Fee Related
- 1994-07-29 EP EP94111841A patent/EP0638421B1/de not_active Expired - Lifetime
- 1994-08-03 US US08/285,298 patent/US5461981A/en not_active Expired - Fee Related
- 1994-08-04 JP JP6183544A patent/JP2569280B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2569280B2 (ja) | 1997-01-08 |
DE4326251A1 (de) | 1995-02-09 |
DE59405693D1 (de) | 1998-05-20 |
DE4326251C2 (de) | 1997-08-28 |
US5461981A (en) | 1995-10-31 |
EP0638421A1 (de) | 1995-02-15 |
JPH0768739A (ja) | 1995-03-14 |
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Legal Events
Date | Code | Title | Description |
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