EP0810175B1 - Vorrichtung zum Vorspannen eines drehmomentbeaufschlagten Mechanismus auf einem Falzzylinder - Google Patents
Vorrichtung zum Vorspannen eines drehmomentbeaufschlagten Mechanismus auf einem Falzzylinder Download PDFInfo
- Publication number
- EP0810175B1 EP0810175B1 EP97108280A EP97108280A EP0810175B1 EP 0810175 B1 EP0810175 B1 EP 0810175B1 EP 97108280 A EP97108280 A EP 97108280A EP 97108280 A EP97108280 A EP 97108280A EP 0810175 B1 EP0810175 B1 EP 0810175B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- torque
- torsion bar
- set forth
- toothing
- 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
- B65H45/163—Details of folding jaws therefor
-
- 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
- B65H45/164—Details of folding blades therefor
-
- 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
- B65H45/165—Details of sheet gripping means therefor
Definitions
- the present invention relates to a device for fast and accurate Biasing a tensioning mechanism on a folding cylinder and in particular on Folding cylinders with a large number of torsion bars distributed over their outer surface.
- US 2,991,072 describes a folding jaw cylinder in one Web-fed rotary printing press, in which a movable folding flap is opened over one a cam roller running cam roller is actuated via a shaft, a Torsion bar and sawtooth couplings on the movable jaw act to close it open and close.
- the torsion bar generates a resilient force that the jaw flap pushes against an elastic stop.
- the cam roller is used in the described device not by the torsion bar, but by a Spiral compression spring attached to the control cam, which is attached to the shaft Projection attacks.
- GB 1 542 554 discloses a folding cylinder for rotary printing presses in which two are discs mounted on an axle form a stable axle body, in which jaws are attached. The jaws are opened by a spindle and a lever a cam roller moving cam actuated.
- GB 1 569 545 discloses a web-fed rotary printing press with at least one assigned flap folding unit, from simple production to collective production and can be reversed. Sitting on the body of the jaw cylinder Compression springs hold control rollers on the surface of a cam that is attached to the Side frame is attached. The folding elements are shown on the control curve activated roles.
- US 4,381,106 discloses a collecting cylinder in a rotary folding machine which has at least five gripper devices and an equal number of folding devices, which by fixed cams, which optionally by simultaneously with the Cylinder axis rotating cover cams are covered, controlled.
- the cover cam disks are driven by the main cylinder drive, by means of a translation that can be adjusted in order to Gear ratio of the cover cam to the collecting cylinder and the Cover cam phase to change relative to the gripper device and thus the Operating modes non-collecting, double-collecting, triple-collecting and partial-collecting to be carried out without the gripping surface of the fixed gripper cam cover constantly during the gripping phase of a respective gripper device have to.
- US 4,892,036 discloses a combination of a collecting and folding cylinder device.
- the control cams enable the combination of collecting and folding cylinders rotatable cam cover plates assigned by the machine main drive, for. B. are driven by a drive wheel connected to the cylinder.
- By a additional overlapping rotary movement is the adjustment of the cover plates and thus the choice of different modes of operation, e.g. B. Collecting or not collecting sheet products placed one after the other on the cylinder.
- the Arrangement for a superimposed rotary movement comprises a hollow engagement device, which is coupled to an associated worm gear, with axially adjustable Engage the bolts in the worm gear and the axial position of the bolts by a electric servomotor, by rotating an adjusting spindle over a Adjustable plate, can be controlled.
- the torque at the other end of the torsion bar i. H. on the drive side of the folding cylinder, its torsion bars at this time be biased, controlled. If the measured bias is unacceptable the collar must be loosened and the process repeated. Hence the preload of torque on the torsion bar is a time-consuming and tedious process.
- Large diameter folding cylinders e.g. B. folding knife cylinder
- B. folding knife cylinder can be up to seven
- Have gripper bridges and seven folding knives assigned to the folding cylinder circumference This results in fourteen torsion bars that have to be prestressed.
- equally jaw cylinders can have up to seven movable jaws. So is this time consuming torque preload and control process is an obstacle to fast Assembly and maintenance of folders.
- a cylinder in a folder comprises a plurality of product gripping devices, each with a control curve and a shaft with a Have a variety of product gripping devices attached to it.
- a cam roller attached and with this in turn a torsion bar is connected.
- a torque biasing element is provided, through which a torque biasing is applied to a torsion bar that the cam roller is in contact with the curve stops.
- a mechanism is provided which provides a minute, i.e. H.
- Pre-setting of the torque preload that can be determined in a fine-tuning enables and maintains the preloaded torque on the torsion bar.
- Various such mechanisms for minute presetting and maintenance a torque preload are conceivable. There can also be separate mechanisms for the presetting and maintenance of the preloaded torque is used become.
- the Mechanism for minute presetting and for maintaining the torque preload a first end toothing on the inner end face of the torque biasing element and a second face toothing on the outer face of one opposite element.
- the opposite element is on the operator side End of the cylinder attached, and the first end toothing engages in the second front toothing.
- the torque preload applied to the torsion bar is caused by a relative movement between the first and the second face gearing set minute.
- the Mechanism for minute presetting and maintenance Torque preload is a ratchet wheel attached to the torsion bar with a outer circumferential toothing.
- a pawl engages one or more teeth of the Ratchet wheel, and there is a minute presetting on the torsion bar applied torque bias by the relative movement between the outer circumferential toothing and the pawl.
- the Mechanism for minute adjustment and maintenance of the torque preload one attached to the operator end of the torsion bar Adjusting element, an eccentric and a locking lever.
- the actuator has one radially extending arm.
- the locking lever engages with its first end in an outer End of the radially extending arm and with its second end this is with in contact with the eccentric.
- the movement of the eccentric causes a minute adjustment the torque preload on the torsion bar by changing the position of the radially extending arm.
- the torque bias on the Torsion bar can be fine-tuned. It has z. B. pointed out that in the first and second embodiment, the tooth pitch of the toothing can be set so that a torque bias change of +/- 6.775 Nm (5 ft lbs) per tooth is achievable.
- a torque bias change of +/- 6.775 Nm (5 ft lbs) per tooth is achievable.
- a premature wear of cam rollers and bearings due to too high or too low torque preload can be prevented.
- a predetermined one Torque applied in a very precisely defined and narrow area can be maintained and regulated, so the operator is now able to minute Make adjustments instead of essentially zeroing the torque again to have to muster.
- the minute setting of the torque also allows one Fine-tune the torque on each torsion bar so that it stays the same Torque settings from one torsion bar to another around the cylinder can be achieved.
- Figures 1 and 2a show a folder in which the present invention can be used.
- Fig. 1 shows a side view of the folder with folding cylinders to transport a large number of copies at the same time.
- the set of first conveyor belts 4 is 8 over a number of rollers partially guided around the circumference of the product-carrying cylinder 7. to Maintaining a biased condition in the first and second Conveyor belts 4, 5 each set of belts has a tensioning mechanism 6 of conventional construction.
- the products are created by the set of first conveyor belts 4 held on the circumference of a product-carrying cylinder 7 and by itself on the Scope of the product-carrying cylinder 7 located, but not shown Gripping elements gripped.
- Folding knife (not shown) on the product-carrying cylinder cooperate with jaws 16 on the jaw cylinder 11 to print the products in to transfer a transfer area 10 to the jaw cylinder 11.
- the Gripping elements, folding knives and folding flaps are provided by respective cam rollers held by prestressed torsion bars on the surface of the respective control cam are activated.
- a folding jaw cylinder 11 is located on the product-carrying cylinder 7 Folders 16 located on the surface 18 of the jaw cylinder 11 are not shown in detail.
- Each jaw 16 has movable flaps (not shown) that can be activated by cam rollers 19.
- the cam rollers 19 are on Torsion bars 20 applied torque preload on the surface of the Control curve held.
- FIG. 2a shows a partial side view of the cylinder 11 in detail.
- the surface 18 of the Cylinder 11 has circumferentially extending grooves 15.
- There are seven rows of Folding flaps 16 are arranged around the circumference 18 of the cylinder (11).
- Each jaw 16 consists of a set of immovable flaps 24 and a set of movable Flaps 25.
- Each set of movable flaps 25 is activated by a cam roller 19.
- the surface of the cam roller 19 moves on a cam surface 23 Control cam 22.
- the cam roller 19 is moved by a movable flap 25th assigned torsion bar 20 driven on the cam surface 23 of the cam 22. This Torsion prevents the cam roller 19 from lifting off from the cam surface 23, which by the strong centrifugal forces generated by the rotating cylinder 11 could.
- the torque preload applied to the torsion bar 20 is determined by transfer an arm 21 to the cam roller 19.
- the amount of torsion bar 20 applied torque bias is preferably low enough to provide a Prevent premature wear of bearings and cam followers and high enough to prevent the cam rollers 19 from lifting off at high speeds.
- In the in 2a usually varies the construction on the torsion bar 20 applied torque bias z. B. between 115 Nm (85 ft lbs) and 128 Nm (95 ft lbs) for each torsion bar 20 associated with cylinder 11.
- Cylinder 11 rotates around an axis 27 in a direction 29.
- the cylinder 11 comprises one of the bearings each set of movable jaws 25 associated oil supply line 26.
- Figures 2b and 2c show a longitudinal section of the cylinder 11 with a Prior art torque application mechanism 470 that includes a first hexagonal element 72 and a collar 74.
- the cylinder 11 is in respective Bearings 32, 33 stored in the operator-side and drive-side frame 31, 30.
- the Bearings 32, 33 are located on the axis of rotation 27.
- Oil distributor 34 keeps the bearings in cylinder 11 lubricated.
- a control cam 22 is arranged in the frame 30 and is fastened in a frame.
- the Control cam 22 has a cam surface 23 for guiding cam roller 19.
- the sentence movable jaws 25 is arranged on a shaft which in the outer circumference of the Folding jaw cylinder 11 is mounted.
- a torsion bar 20 extends from the gear-side end of the cylinder (i.e., the gear-side frame 30 on nearest cylinder end) to the operator end of the cylinder.
- a first one hexagonal element 72 for applying a torque bias is on the operator end and a second hexagonal element 73 to control a Torque preload is at the gear end of the torsion bar 20 appropriate.
- a collar 74 is located on the operator end of the cylinder 11. In order to prestress a torque to be applied to the torsion bar 20, a Torque wrench used with which a predetermined torque on the first hexagonal element 72 is applied. If the predetermined torque is reached, the collar 74 fixes the torsion bar 20 in its position.
- FIGS 3a and 3b show an adjusting device 47 according to the first Embodiment of the present invention, with a front toothing 38 and 43 on components 28 and 35 to maintain torque bias.
- 3a shows a partial side view of a cylinder 11 Torsion bar 20 (e.g., a torque loading member) extends through the hollow interior of a shaft 42. In this construction, a number of folding blades are 25 (or jaws) arranged on the shaft 42.
- the torsion bar 20 is with a Torque biasing element 28 (e.g., a hexagonal part), which in a Torque wrench fits, provided.
- 3b is the torque biasing element 28 as shown sitting on the torsion bar 20.
- a bracket 36 and a bearing element 40 are z. B.
- the bearing element 40 contains a bearing 39 in which the shaft 42 is received and thus within the Cylinder 11 can rotate freely.
- An annular element 35 is located on the bearing element 40 attached with front toothing 38.
- the torque biasing element 28 has also has an end toothing 43 and is located on the end part of the Torsion bar 20 as shown in Fig. 3b. By turning the torque biasing element 28 counter-clockwise via the front toothing 38 the torque of the torsion bar 20 is biased.
- the Tooth division of the front teeth 38, 43 a minute adjustment of the Torque preload on the torsion bar 20.
- Torque biasing element 28 with a key or other suitable Object
- an increase or reduction in the Torque on the torsion bar 20 of approximately +/- 6.775 Nm (5 ft lbs) can be achieved.
- This fine tooth pitch enables the operator to apply the torsion bar 20 applied torque by rotating element 28 clockwise or Slightly increase or decrease counter-clockwise.
- Teeth 38, 43 during the preload adjustment far enough so that the Element 28 can rotate relative to element 35.
- the teeth 38, 43 are arranged such in that the element 28 is fixed in position after rotation of the Element 28 in the counterclockwise direction, the pretensioning of the torque has occurred.
- the adjuster 47 replaces the prior art torque tensioning mechanism 470 of the technique.
- a torque wrench is used, with which the element 28 with a predetermined torque is applied.
- the torque wrench is on the second element 73 shown in Fig. 2c applied to the torque on the measure gear-side end of the torsion bar 20. If the torque is on the transmission end proves to be incorrect, then according to the present invention The torque can be fine-tuned by turning the element 28 tooth by tooth until the torque measured on the gearbox side is correct.
- the torque on the Torsion bar 20 can be adjusted again by the adjusting device 47 without the to eliminate existing torque.
- Figures 4a and 4b show an adjusting device 47 according to a second Embodiment of the present invention in which the biasing of a Torsion bar 20 is carried out by means of a ratchet wheel.
- 4a shows part of the end face a folding knife cylinder 11 (or folding jaw cylinder) with one of these end faces associated adjusting device 47.
- a ratchet wheel 48 with a circumferential Teeth (or partial teeth) is on the end part of the torsion bar 20 appropriate.
- the toothing preferably has a fine tooth pitch.
- a Spring-loaded rotatable pawl 49 is the toothing of the ratchet wheel 48 assigned.
- the ratchet wheel 48 When the ratchet wheel 48 rotates counterclockwise, it engages Pawl 49 into one or more of the teeth of ratchet wheel 48.
- the ratchet wheel 48 can be by a key that is attached to the torque biasing element 28 be rotated.
- the element 28 is in turn on the end part of the torsion bar 20 attached.
- the tooth pitch of the ratchet wheel 48 allows a minute adjustment of the the torsion bar 20 torque to be applied.
- a contacting the pawl 49 Spring 50 is mounted in an annular element 45, which by means of Fastening elements 37 is fixed on the bearing element 40 and the holder 36.
- the torsion bar 20 extends on which the ratchet wheel 48 supports, through the hollow interior of the shaft 42.
- a bracket 36 is attached to the end face of the cylinder 11 '. Bearings 39 are located in a bearing housing 40, which in turn on the Bracket 36 is attached.
- the ratchet wheel 48 is one along its circumference surrounded annular element 45, which in turn is attached to the bearing housing 40.
- a plate 46 is secured to the annular member 45 by holders 37, the Outside of the ratchet wheel 48 is covered.
- the holders 37 extend further through the bearing housing 40 and in the bracket 36. Of course, as Alternative separate holders can be used to attach the cover plate 46 to the to attach annular element 45.
- FIGS. 5a and 5b show a third exemplary embodiment of an adjusting device 47 according to the present invention.
- the torsion bar 20 is a folding knife cylinder 11 ' (or jaw cylinder) assigned.
- the torque biasing element 28 is attached.
- the Torsion bar 20 extends axially through shaft 42 as above with respect to FIG Figures 3 and 4 described.
- a disc-shaped element 51 with a radial extending arm 52 and a biasing member 28 is at the operator end of the torsion bar 20 attached.
- the arm 52 is in engagement with a locking lever 54, which is rotatably mounted on an eccentric 55.
- a bracket 36 is attached to the end face of the cylinder 11 '.
- bearings 39 in a bearing housing 40, which in turn is attached to the holder 36 is appropriate.
- the shaft 42 is rotatably supported in the bearings 39.
- strips 56, 57 fastened by means of holder 37 to the bearing housing 40 and serve to guide the Movement of the rotatably mounted disc 51.
- the disc 51 has a annular surface, which is located inside the bearing housing 40.
- a torque can be biased on the torsion bar 20 by using a torque wrench on the Torque biasing element 28 is attached.
- the locking lever 54 is engaged with the arm 52.
- the torque can go through Adjusting the eccentric 55 can be finely adjusted as follows: The movement of the Eccentric 55 triggers a corresponding vertical movement of the locking lever 54 and this in turn adjusts the rotational position of the disk 51 via the arm 52.
- the Rotational movement of the disc 51 represents that to be applied to the torsion bar 20 Torque preload on.
- the torque can be eliminated, e.g. B. To perform maintenance on the cylinder, then the torque is applied again without readjusting the position of the eccentric become.
- the adjuster 61 includes one Plate 62, which can be moved in an arc 80 by means of lifting screws 69.
- the Sheet 80 can e.g. B. concentric with the fulcrum of the shaft 42 and / or the Torsion bar 20.
- the plate 62 is provided with elongated holes 67, in which bolts 68, which allow the plate 62 to move.
- a pawl 65 is attached to the plate 62 and engages when the ratchet wheel 66 rotates clockwise into one or more teeth 70 of ratchet wheel 66.
- the Gearing on a fine tooth pitch.
- the ratchet wheel 66 is in turn on the Torsion bar 20 in the same manner as in connection with Figures 5a and 5b described, attached.
- the ratchet wheel 66 and the torsion bar 20 can be rotated by attaching a key to the torque biasing member 28. After the torque on the torsion bar 20 is biased, the rotation of the Pawl wheel 66 blocked by the pawl 65.
- the pawl is attached with a shoulder bolt attached and z. B. tensioned by a spring 64.
- A is used to preload a torque to be applied to the torsion bar 20 Torque wrench used to apply a predetermined torque to element 28 to apply. Then the torque wrench on the second, not shown Element 73 attached to the torque on the transmission end of the To measure torsion bar 20, and if this torque proves to be incorrect, can according to the present invention fine-tuning the torque by turning of element 28 tooth 70 for tooth 70 until the one measured on the gear side Torque is correct. Even finer torque settings can be achieved by changing the position of the plate 62 by turning the lifting screws 69 becomes. Thus, rotary movements of the ratchet wheel 66 can be smaller than the tooth pitch the teeth 70 are achieved, so that the torque fluctuations less as z. B. +/- 6,775 Nm (5 ft lbs).
- FIG. 7 shows an adjusting device 61 according to a further exemplary embodiment of the Invention.
- the plate 62 is joined by an arcuate plate 62 ' Elongated holes 67 replaced.
- the bolts 68 screwed into the elongated holes 67 allow one Movement of the plate 62 'over the elongated holes 67 in an arc 80'.
- the pawl is 65 located approximately in the middle of the arcuate plate 62 '.
- the lifting screws 69 abut an arm 81 of the arcuate plate 62 'to change position of the arcuate plate 62 '.
- FIGS. 8a and 8b show two views of an adjusting device according to present invention, which is attached to the operator-side end of a torsion bar are.
- the setting device 47 shown corresponds to the embodiment of FIG Figures 4a and 4b.
- the spring-loaded pawl 49 and spring 50 not shown.
- the adjustment devices of the type shown in FIGS Figures 3, 5, 6 and 7 embodiments shown are applied.
- the torsion bar 20 extends through the hollow interior of the shaft 42 and is through a set screw 41 connected to the torque biasing element 28.
- the shaft 42 is rotatably supported in bearings 39 and 60.
- Movable flaps 25 are through holders 85 connected to the shaft 42.
- the movable ones act Flaps 25 with respective fixed flaps on the surface 18 of the Jaw cylinder 11 together to grasp and release printed products.
- the Bearing 60 is lubricated by an oil supply line 26 to ensure smooth operation Maintain rolling contact of shaft 42.
- the torque biasing element 28 acts on it Pawl 48 with a torque.
- the ratchet wheel 48 is of a ring 45 and a plate 46 envelops. As shown in Fig. 4a, the ratchet 48 has an outer Toothing which engages in a pawl 49.
- a torque to be applied to the torsion bar 20 using a predetermined torque is applied to the element 28 using a torque wrench.
- the application of a torque to the torsion bar 20 presses the cam roller 19 against the cam surface 23 of the control cam 22 Torque wrench the element 28 with a predetermined torque was applied, the torque wrench to the second shown in Fig. 8a Element 73 attached to the torque on the transmission end of the Measure torsion bar 20. If this torque proves to be incorrect, can according to the present invention by rotating the element 28 tooth by tooth one The torque is fine-tuned until the one measured on the transmission side Torque is correct.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Rotary Presses (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
- Fig. 1
- eine Seitenansicht eines Falzapparates gemäß vorliegender Erfindung mit einer sich vor einem Falzbereich befindlichen Produktgreifeinrichtung;
- Fig. 2a
- eine Teilansicht des Endes eines Falzklappenzylinders;
- Fig. 2b und 2c
- eine Ansicht des in den Seitenrahmen eines Falzapparates gelagerten Falzklappenzylinders der Fig. 2a;
- Fig. 3a und 3b
- eine Darstellung eines ersten Ausführungsbeispiels einer Einstelleinrichtung zum Aufbringen eines vorbestimmten Drehmoments auf einen Torsionsstab, der eine stirnseitige Verzahnung aufweist;
- Fig. 4a und 4b
- eine Darstellung eines zweiten Ausführungsbeispiels einer Einstelleinrichtung zum Aufbringen eines bestimmten Drehmoments auf einen Torsionsstab, der ein Klinkenrad aufweist;
- Fig. 5a und 5b
- eine Darstellung eines dritten Ausführungsbeispiels einer Einstelleinrichtung zum Aufbringen eines bestimmten Drehmoments auf einen Torsionsstab, die einen Sperrhebel aufweist;
- Fig. 6
- eine Darstellung eines vierten Ausführungsbeispiels einer auf einer rechteckigen Platte angebrachten Einstelleinrichtung, die mittels Hebeschrauben bewegbar ist;
- Fig. 7
- eine Darstellung eines fünften Ausführungsbeispiels einer auf einer bogenförmigen Platte angebrachten Einstelleinrichtung, die mittels Hebeschrauben bewegbar ist;
- Fig. 8a und 8b
- Eine Darstellung der in den Figuren 4a und 4b gezeigten Einstelleinrichtung, worin auf einer Falzklappenwelle eines Falzzylinders des Falzapparats ein Klinkenrad angebracht ist.
- 1
- Falzapparat
- 2
- Schneidzylinder
- 4
- erste Förderbänder
- 5
- zweite Förderbänder
- 6
- Spannmechanismus
- 7
- produktführender Zylinder
- 8
- Walzen
- 10
- Übergabebereich
- 11
- Falzklappenzylinder
- 15
- Rillen des Falzklappenzylinders 11
- 16
- Falzklappen
- 18
- Oberfläche / Umfangsfläche des Falzklappenzylinders 11
- 19
- Kurvenrolle
- 20
- Torsionsstäbe
- 21
- Arm
- 22
- Steuerkurve
- 23
- Kurvenfläche 23
- 24
- unbewegliche Klappen
- 25
- bewegliche Klappen / Falzmesser
- 26
- Ölzuleitung
- 27
- Drehachse
- 28
- Drehmoment-Vorspannelement / hexagonales Teil
- 29
- Richtung
- 30
- antriebsseitiger Rahmen
- 31
- bedienerseitiger Rahmen
- 32
- Zylinderlager
- 33
- Zylinderlager
- 34
- Ölverteiler
- 35
- ringförmiges Element
- 36
- Halterung
- 37
- Befestigungselemente, Halter
- 38
- stirnseitige Verzahnung des ringförmigen Elements 35
- 39
- Lagerung
- 40
- Lagerelement / Lagergehäuse
- 41
- Stellschraube
- 42
- Welle
- 43
- stirnseitige Verzahnung des Elements 28
- 45
- ringförmiges Element / Ring
- 46
- Platte / Deckplatte
- 47
- Einstellvorrichtung
- 48
- Klinkenrad
- 49
- Klinke
- 50
- Feder
- 51
- scheibenförmiges Element
- 52
- Arm
- 54
- Sperrhebel
- 55
- Exzenter
- 56
- Leiste
- 57
- Leiste
- 60
- Lagerung
- 61
- Einstellvorrichtung
- 62
- Platte / bogenförmige Platte
- 64
- Feder
- 65
- Klinke
- 66
- Klinkenrad
- 67
- Langlöcher
- 68
- Bolzen
- 69
- Hebeschrauben
- 70
- Zähne des Klinkenrades 48
- 72
- erstes hexagonales Element
- 73
- zweites hexagonales Element
- 74
- Kragen
- 80
- Bogen
- 81
- Arm der bogenförmigen Platte 62
- 85
- Halter
- 470
- Drehmomentbeaufschlagungsmechanismus
Claims (17)
- Zylinder in einem Falzapparat, wobei der Zylinder Produktgreifeinrichtungen aufweist und jede der Produktgreifeinrichtungen die folgenden Merkmale umfaßt:eine Steuerkurve (22);eine Welle (42) mit einer Vielzahl von darauf befestigten Produktgreifeinrichtungen und einer daran angebrachten Kurvenrolle (19);einen mit der Kurvenrolle (19) verbundenen Torsionsstab (20);ein Drehmoment-Vorspannelement (28) zum Aufbringen einer Drehmoment-Vorspannung auf den Torsionsstab (20), welche die Kurvenrolle (19) in Kontakt mit der Steuerkurve (22) hält; undeinen Mechanismus (35, 38, 28, 43) zur in einer Feinabstimmung ermittelbaren Voreinstellung und Aufrechterhaltung der Drehmoment-Vorspannung auf dem Torsionsstab.
- Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß der Mechanismus (35, 38, 28, 43) am bedienerseitigen Ende des Zylinders (11) angeordnet ist. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß der Mechanismus eine erste stimseitige Verzahnung an der inneren Stirnseite des Drehmoment-Vorspannelements (28) umfaßt, wobei das Drehmoment-Vorspannelement (28) mit dem Torsionsstab (20) verbunden ist; und
daß der Mechanismus eine zweite stirnseitige Verzahnung an der äußeren Stirnseite eines entgegengesetzten Elements umfaßt, wobei die erste stirnseitige Verzahnung in die zweite stimseitige Verzahnung eingreift und die Drehmoment-Vorspannung auf dem Torsionsstab durch Relativbewegung zwischen der ersten und der zweiten Verzahnung minuziös eingestellt wird. - Zylinder gemäß Anspruch 3,
dadurch gekennzeichnet, daß das entgegengesetzte Element an dem bedienerseitigen Ende des Zylinders (11) angebracht ist. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß der Mechanismus ein Klinkenrad (48) mit einer Verzahnung an dessen Außenumfang umfaßt und das Klinkenrad (48) auf dem Torsionsstab (20) gelagert ist;
daß eine Klinke in einen oder mehrere Zähne des Klinkenrades eingreift, wobei durch Relativbewegung zwischen der umfänglichen Verzahnung und der Klinke die Drehmoment-Vorspannung auf dem Torsionsstab (20) minuziös eingestellt wird. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß der Mechanismus eine an dem bedienerseitigen Ende des Torsionsstabes (20) befestigte Einstellvorrichtung (47) mit einem sich radial erstreckenden Arm (52), einen Exzenter (55) und einen Sperrhebel (54) umfaßt;
wobei ein erstes Ende des Sperrhebels (54) in das äußere Ende des sich radial erstreckenden Arms (52) einrasten kann und dessen zweites Ende mit dem Exzenter (55) verbunden ist, und
wobei die Drehmoment-Vorspannung auf dem Torsionsstab (20) durch Bewegung des Exzenters (55) minuziös eingestellt wird, während das erste Ende des Sperrhebels (54) mit dem äußeren Ende des sich radial erstreckenden Arms (52) in Eingriff steht. - Zylinder gemäß Anspruch 6,
dadurch gekennzeichnet, daß der Exzenter (55) an dem bedienerseitigen Ende des Zylinders (11) angebracht ist. - Zylinder gemäß Anspruch 3,
dadurch gekennzeichnet, daß die Zahnteilung der Verzahnung derart gesetzt ist, daß die Drehmoment-Vorspannung um ungefähr +/- 5 ft. Lbs. pro Zahn veränderbar ist. - Zylinder gemäß Anspruch 5,
dadurch gekennzeichnet, daß die Zahnteilung der Verzahnung derart gesetzt ist, daß die Drehmoment-Vorspannung um ungefähr +/- 5 ft. Lbs. pro Zahn veränderbar ist. - Zylinder gemäß Anspruch 5,
dadurch gekennzeichnet, daß die Klinke (65) vorgespannt ist. - Zylinder gemäß Anspruch 5,
dadurch gekennzeichnet, daß das Klinkenrad (48) scheibenförmig ist. - Zylinder gemäß Anspruch 6,
dadurch gekennzeichnet, daß die Einstellvorrichtung (47) ein scheibenförmiges Teil mit einem sich radial erstreckenden Arm (52) ist. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß die Vielzahl der Produktgreifeinrichtungen Falzmesser sind. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß die Vielzahl der Produktgreifeinrichtungen bewegliche Falzklappen sind. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß die Vielzahl der Produktgreifeinrichtungen Greiferelemente sind. - Zylinder gemäß Anspruch 4,
dadurch gekennzeichnet, daß die Klinke (65) auf einer bewegbaren Platte angebracht ist, die zum Zwecke des Einstellens der Drehmoment-Vorspannung auf dem Torsionsstab (20) bewegbar ist. - Zylinder gemäß Anspruch 1,
dadurch gekennzeichnet, daß ein Drehmoment-Meßelement, vorgesehen ist, das mit dem getriebeseitigen Ende des Torsionsstabes (20) verbunden ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US655503 | 1996-05-30 | ||
US08/655,503 US5924970A (en) | 1996-05-30 | 1996-05-30 | Device for preloading a torque loaded mechanism on a folding cylinder |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0810175A2 EP0810175A2 (de) | 1997-12-03 |
EP0810175A3 EP0810175A3 (de) | 1998-06-10 |
EP0810175B1 true EP0810175B1 (de) | 2002-08-21 |
Family
ID=24629157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97108280A Expired - Lifetime EP0810175B1 (de) | 1996-05-30 | 1997-05-22 | Vorrichtung zum Vorspannen eines drehmomentbeaufschlagten Mechanismus auf einem Falzzylinder |
Country Status (4)
Country | Link |
---|---|
US (1) | US5924970A (de) |
EP (1) | EP0810175B1 (de) |
JP (1) | JPH1053374A (de) |
DE (2) | DE59707993D1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0938443B1 (de) * | 1996-10-25 | 2001-06-13 | Koenig & Bauer Aktiengesellschaft | Falzapparat |
DE59701676D1 (de) | 1996-12-21 | 2000-06-15 | Koenig & Bauer Ag | Falzklappenzylinder |
JP2001212932A (ja) * | 2000-02-02 | 2001-08-07 | Komori Corp | 胴の支持構造 |
US20050272586A1 (en) * | 2004-06-04 | 2005-12-08 | Germain Patrick C S | Gripper for a web folding cylinder |
DE102005052661A1 (de) * | 2005-11-04 | 2007-05-10 | Man Roland Druckmaschinen Ag | Falztrommel |
US20070135286A1 (en) * | 2005-12-12 | 2007-06-14 | Goss International Americas, Inc. | Device and method for driving cam masks in a folder |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2435881A (en) * | 1945-11-28 | 1948-02-10 | Time Inc | Web folding mechanism |
US2624572A (en) * | 1948-11-19 | 1953-01-06 | Hoe & Co R | Folding cylinder blade adjusting mechanism |
US2991072A (en) * | 1957-03-09 | 1961-07-04 | Maschf Augsburg Nuernberg Ag | Folding gripper control means in rotary printing machines |
US3455547A (en) * | 1967-07-12 | 1969-07-15 | Planeta Veb Druckmasch Werke | Drive mechanism for sheet turning device in multicolor printing machines |
US3865361A (en) * | 1973-09-11 | 1975-02-11 | John C Motter Printing Press C | Folder cylinder |
DE2647835C3 (de) * | 1976-10-22 | 1980-05-29 | Albert-Frankenthal Ag, 6710 Frankenthal | Falzklappenzylinder für Falzapparate von Rotationsdruckmaschinen |
DE2714915A1 (de) * | 1977-04-02 | 1978-10-05 | Koenig & Bauer Ag | Rollenrotationsdruckmaschine |
JPS57175662A (en) * | 1981-04-22 | 1982-10-28 | Hitachi Seiko Ltd | Chopper for folding unit in rotary printing machine |
US4381106A (en) * | 1981-06-08 | 1983-04-26 | Motter Printing Press Co. | Collect cylinder for a rotary folder |
DE3810439C1 (de) * | 1988-03-26 | 1989-08-10 | Man Roland Druckmaschinen Ag, 6050 Offenbach, De | |
DE4037130A1 (de) * | 1990-04-26 | 1991-11-07 | Roland Man Druckmasch | Vorrichtung zum verstellen der falzklappen an einem falzklappenzylinder |
US5522586A (en) * | 1994-09-07 | 1996-06-04 | Rockwell International Corporation | Folding apparatus with multiple speed folding jaw cylinder |
-
1996
- 1996-05-30 US US08/655,503 patent/US5924970A/en not_active Expired - Fee Related
-
1997
- 1997-05-22 EP EP97108280A patent/EP0810175B1/de not_active Expired - Lifetime
- 1997-05-22 DE DE59707993T patent/DE59707993D1/de not_active Expired - Fee Related
- 1997-05-22 DE DE19721389A patent/DE19721389A1/de not_active Withdrawn
- 1997-05-27 JP JP9136336A patent/JPH1053374A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH1053374A (ja) | 1998-02-24 |
DE19721389A1 (de) | 1997-12-04 |
EP0810175A2 (de) | 1997-12-03 |
EP0810175A3 (de) | 1998-06-10 |
DE59707993D1 (de) | 2002-09-26 |
US5924970A (en) | 1999-07-20 |
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