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EP0531648A1 - Machine à couper et à plier une bande de papier imprimée - Google Patents

Machine à couper et à plier une bande de papier imprimée Download PDF

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Publication number
EP0531648A1
EP0531648A1 EP92111482A EP92111482A EP0531648A1 EP 0531648 A1 EP0531648 A1 EP 0531648A1 EP 92111482 A EP92111482 A EP 92111482A EP 92111482 A EP92111482 A EP 92111482A EP 0531648 A1 EP0531648 A1 EP 0531648A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
fold
folding
parts
gear
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.)
Granted
Application number
EP92111482A
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German (de)
English (en)
Other versions
EP0531648B1 (fr
Inventor
Jean Claude Marmin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of EP0531648A1 publication Critical patent/EP0531648A1/fr
Application granted granted Critical
Publication of EP0531648B1 publication Critical patent/EP0531648B1/fr
Anticipated expiration legal-status Critical
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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
    • B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation

Definitions

  • the invention relates to a machine for cutting and folding a printed paper web, i.e. a universal folder of the type normally used in the printing sector and in particular in the field of offset printing.
  • first fold or cylinder or panel fold and a second fold with internal punctures, where the second fold can be a second parallel fold or a delta fold.
  • the above-mentioned different folds are generally carried out on paper webs which are doubled in the longitudinal direction previously by a part called a former by a fold parallel to the edges of the standard width, the former being arranged at the entrance of the folder so that the paper web is continuous is folded, as is well known to the printing experts.
  • first Universal folder with which both one and the other second fold can be folded and which in succession comprises a cutting cylinder, a transport cylinder, a folding cylinder and a cylinder for the second fold, with reference to FIG. 3 for a first configuration with which one second parallel fold can be carried out and explained with reference to FIG. 4 for a second configuration with which a delta fold can be realized.
  • Figure 1 shows the successive stages of folding on a copy that receives a first cylinder fold and a second parallel fold.
  • a copy E as obtained after cutting the paper web in the passage between the cutting cylinder and the transport cylinder of the folder, this copy having a section length C.
  • the copy E bears the tracks p shown in dashed lines, which correspond to the punctures of the punctures on the transport cylinder of the folder.
  • This copy E can consist of a simple web or a double web already folded by a funnel, in the latter case one of the longitudinal edges corresponding to the fold realized by the funnel.
  • the copy E is folded longitudinally in the middle at C / 2 in the passage between the transport cylinder and the folding cylinder of the folder.
  • Figure 2 explains in the same way, starting from a copy E identical to the previous copy with a section length C, the formation of a delta fold after the passage of the paper web between the cutting cylinder and the transport cylinder as shown in a).
  • the copy E was folded in an analogous manner as before, but this first fold was carried out in the first third of the length of the copy at C / 3 after the passage between the transport cylinder and the folding cylinder.
  • the length of the copy is now 2C / 3. It can already be seen here that a change in the configuration of the transport cylinder compared to the first fold according to FIG. 1 was necessary to form this fold.
  • the configuration of the folding cylinder must therefore also be adapted - as described further below.
  • the folder shown here comprises a former 1, on which a longitudinal fold is carried out in the continuously fed paper web 4. It should be noted that such a funnel is in no way required in the present invention.
  • Two pairs of stop rollers 2.2 coated with an elastomer and 3.3 which are pressed against each other are provided to insert the paper web 4 into the folder.
  • the paper web 4 then runs between a first pair of cylinders consisting of a cutting cylinder 5 and a transport cylinder 6.
  • the cutting cylinder 5 is provided with a knife 7 which is arranged along one of its surface lines and which cooperates with the knife counterparts made of rubber (like the counterpart 8) which are attached to the circumference of the transport cylinder.
  • the cutting cylinder 5 advantageously has a development equal to the cut of the specimen, so that a complete revolution of this cylinder corresponds to the aforementioned length C.
  • the transport cylinder 6 preferably has a development equal to two or three times the section of the specimen (three times in FIG. 3).
  • the transport cylinder 6 comprises rows of punctures, the pins of which, in the form of small needles which protrude beyond the cylinder, reach into the paper web immediately after the associated cutting counterpart.
  • the transport cylinder 6 with three rows of punctures is 9.9 , 9th and three corresponding cutting rubber strips 8.8 ,8th Mistake.
  • the transport cylinder 6 also has folding knives (such as knives 10) which are arranged on the periphery of the cylinder in a position which corresponds to half the length of each copy, so that the copies into the associated folding flaps (such as flap 11) on the folding cylinder 12 will be introduced.
  • the transport cylinder 6 comprises three folding blades 10, 10 and 10 that like the 9.9 and 9 are also distributed on the periphery of the transport cylinder 6.
  • the transport cylinder 6 is thus equipped with pairs of parts consisting of rows of punctures and folding knives, each pair of parts being offset from the previous one by an angle of rotation, which here is 120 °. In the position of Figure 3, the angular distance between the pairs of parts of the transport cylinder C / 2, that is 60 ° in the present case.
  • a folding cylinder 12 which, on the one hand, includes the flaps for the first fold, which interact with the folding knives of the transport cylinder 6 when the paper web runs between these two cylinders, and the flaps for the second fold, which with the folding knives on the next Cylinder, which is the cylinder for the second fold 16, cooperate.
  • the sequence used here for the transport cylinder 6 naturally implies three flaps for the first fold with the numbers 11.11 and 11 on the folding cylinder 12 to be provided.
  • each of these flaps consists of an immovable part 13 which is fixedly connected to the folding cylinder and against which a movable flap part 14 with the designation "receiving flap" presses.
  • the cylinder for the second fold 16 which is arranged in the vicinity of and parallel to the fold cylinder 12 so that it cooperates with this cylinder, comprises two grippers (like the grippers 17) which are connected to the flaps for the first fold of the fold cylinder 12 interact: When a flap passes in the center line between the folding cylinder 12 and the cylinder for the second fold, this flap opens, while the corresponding gripper of the cylinder for the second fold 16 closes and the already folded copy grips.
  • the cylinder for the second fold 16 also has folding knives (such as the folding knife 18) which cooperate with the flaps for the second fold of the folding cylinder 12 when these two parts run through the middle of the cylinders mentioned, during the associated gripper opens and releases the first fold of the copy.
  • the cylinder for the second fold 16 comprises two gripper games 17, 17 that with the flaps 11.11 and 11 of the folding cylinder 12 cooperate.
  • This cylinder also has two folding blades 18 and 18 behind the grippers 17 and 17 are and against these in the present Case at an angle offset by a quarter of the development, i.e. C / 4, which corresponds to an angle of 45 ° here.
  • the pair of cylinders cutting cylinder 5 / transport cylinder 6 enables the specimens to be cut and picked up on the transport cylinder 6, where they are made on the head sides with the aid of the rows of punctures 9, 9 and 9 be held.
  • the pair of cylinders transport cylinder 6 / folding cylinder 12 then enables the formation of the first fold of the copy and the holding of this folded copy in the flaps for the first fold 11, 11 and 11 of the folding cylinder mentioned.
  • the process of producing the second fold then takes place: the head of the specimen (first fold) is held at the beginning of the cycle in the flap for the first fold associated with the folding cylinder 12 and the relevant gripper of the cylinder for the second fold 16 grabs the head as it passes through the center line.
  • the cylinder continues to rotate and the folder corresponding to the cylinder for the second fold 16 then grips the specimen in a flap for the second fold of the folding cylinder 12, the flap closing when these two parts pass through the center line, while the aforementioned gripper opens and releases the first fold of the copy.
  • the end of the cycle one has a copy with two folds, which are parallel to one another and perpendicular to the direction of travel of the paper web, and which is held with its second fold in the corresponding flap for the second fold of the folding cylinder 12.
  • a set of scrapers 19 engages in the grooves in the folding cylinder 12 and enables the double-folded copies to be removed and forwarded to a slowly rotating paddle wheel 20 which they deposits on a roll or tape 21 on which the specimens come to lie in a shingled arrangement.
  • the apparatus just described is configured such that the pairs of parts of the transport cylinder, the folding cylinder and the cylinder for the second fold are at an angular distance from one another which is C / 2, C / 4 or C / 4, i.e. 60 °, 30 ° or 45 °.
  • FIG. 4 shows the new configuration of this machine with regard to the realization of a delta fold.
  • the angular distances between the aforementioned pairs of parts of the transport cylinder 6, the folding cylinder 12 and the cylinder for the second fold 16 are now C / 3, C / 3 and C / 3, which in the present case are the angles 40 °, 40 ° and 60 ° corresponds.
  • the angular distances between the pairs of parts of the three cylinders mentioned above are therefore important for the transition from one configuration of the machine to another in order to be able to form either a second parallel fold or a delta fold.
  • the angular distance between each pair of parts consisting of a row of punctures and a folding knife must be changed from C / 2 to C / 3, ie in the present case from 60 ° to 40 °, which corresponds to a difference of 20 °.
  • the angular distance between each pair of parts consisting of a flap for the first fold and a flap behind it for the second fold must be C / 4 C / 3 can be changed, which in the present case corresponds to a change from 30 ° to 40 °, ie a shift of 10 °.
  • the angular distance between each pair of parts consisting of the grippers and a folding knife must be changed from C / 4 to C / 3, in this case from 45 ° to 60 °, which corresponds to a difference of 15 ° .
  • a single comb roller is usually used to adjust the projection, which is driven by a pair of gearwheels of the respective cylinder during normal operation of the machine, a section of this roller engaging one of the gearwheels while the other section engaging the other gearwheel: the operator causes a slight axial displacement of this comb roller, the axis of which remains parallel to that of the cylinder in question, as a result of which a slight angular displacement can be achieved in the desired direction between the pair of gearwheels belonging together. But you have to consider that such a relative angular displacement is used only for differences of a few degrees.
  • the object of the invention is to realize a machine for cutting and folding a printed paper web, the construction of which makes it possible to carry out all of the operations required for changing the fold completely automatically and without further human intervention than the rotation of a selector switch.
  • Another object of the invention is to realize a machine, the construction of which makes it possible to carry out the successive folding operations, namely by largely changing the position at which the various folds are formed.
  • a machine for cutting and folding a printed paper web which successively comprises a cutting cylinder, a transport cylinder with pairs of puncture rows and folding knives, a folding cylinder with pairs of flaps for the first fold and flaps for the second fold and a cylinder for the second fold with pairs of grippers and folding knives, each of these transport, folding and cylinder for the second fold is made of two independent, nested, mutually movable parts, each with a drive gear and these different gears are each coupled in pairs to the parts that lie between two next to each other during the passage of the paper web Cylinders must cooperate to keep in line, characterized in that the drive gears of the two independent parts of the transport cylinder, on the one hand, and the drive gears of the two independent parts of the folding cylinder, on the other hand, are connected to one another via a gear pair which is coaxial with them and to one another via a separable coupling is connected, the separation of the coupling of the gears of each pair makes it possible to change the angular distance
  • each pair of gearwheels is preferably designed by an associated claw with two fixed positions limited by stops, each of which corresponds to one or the other configuration of the machine mentioned.
  • Each claw is advantageously actuated by a compressed air or hydraulic cylinder and a linkage connected to it.
  • each claw is actuated manually using a handwheel attached to it or automatically using a part attached to it, such as an electromagnet.
  • the separable coupling between the respective gear pairs is realized by a magnetic coupling with associated toothings, this coupling being indexed.
  • the drive gearwheels mounted on the two independent parts of the transport and folding cylinder and the gearwheels of each corresponding gearwheel pair are spiral-toothed, with two gearwheels mounted on the same axis, one gearwheel one helix to the left and the other a helix has on the right and each of these corresponding gearwheel pairs can be displaced a total of a small distance along the axis of rotation in order to be able to change the “protrusion” of the corresponding fold by acting on an adjusting part connected to it.
  • the actuating parts with which the angular distance between the pairs of parts of the transport cylinder, the folding cylinder or the cylinder for the second fold can be adjusted, a reversible screw-nut system in which the screw carries a gear and the Nut also has a gear, and comprise an associated cylinder with which these two concentric gears can be approximated or separated from one another to form a pair of gears in one direction or the other depending on the desired configuration, one of which is mentioned Gears are connected to the gear connected to the central part of the transport cylinder, while the other is connected to the gear connected to the outer part of the cylinder for the second fold, so that a closed ring is formed.
  • the connection of the concentric gear wheels of the reversible screw-nut system to the gear wheels of the respective cylinders is realized by intermediate gear wheels which are mounted on the machine frame.
  • the screw of the reversible screw-nut system can preferably be placed under tension so that it additionally fulfills the task of adjusting the play in the continuous operation of the machine.
  • the train is realized by the cylinder connected to the reversible screw-nut system or, as a variant, by a compression spring that is supported on the machine frame.
  • the actuating parts with which the angular distance between the pairs of parts of the transport cylinder, the folding cylinder or the cylinder for the second fold can be set, consist of the drive parts of the folder, which slow down in one direction or the other depending on the desired configuration can be actuated, the cylinder being locked for the second fold.
  • FIGS. 5 to 10 of the accompanying drawing of a particular embodiment of the invention with reference to the figures mentioned.
  • Figure 5 shows the structure of the transport cylinder 6, the pairs consisting of rows of punctures and folding knives Is provided. In this figure only one row of punctures 9 and one folding knife 10 can be seen.
  • a structure consisting of two independent, nested and mutually movable parts with a corresponding drive gear is used according to the technique that has been used previously in the conventional machines for adjusting the "overhang". This structure enables a relative displacement of the three folding blades 10, 10 in the transport cylinder 6 and 10 compared to the three series of punctures 9.9 and 9 .
  • An inner cylinder consists of the end faces 50 and 50 , which are welded to the shaft 51 of the transport cylinder 6, these end faces also being connected to one another by three longitudinal plates (only one of which is shown here as 53) which are welded at a distance of 120 ° around a part of the jacket to represent the transport cylinder 6.
  • the rows of punctures such as the row 9 of punctures visible here are in the end faces 50 and 50 mentioned stored.
  • the other part of the cylinder consists of two end faces 54 and 54 , which are rotatably mounted on the shaft 51 of the aforementioned cylinder part, these end faces being connected by three longitudinal plates, of which only the plate marked 55 is visible here.
  • the folding knives, of which the knife 10 is visible, are then mounted on this last cylinder part.
  • the end face 54 extends outside and axially in a tubular extension 56, which is also rotatably mounted on the shaft 51.
  • a gear 52 which is wedged on the end of the shaft 51
  • a gear 57 which is on the said tubular extension 56 is wedged.
  • the gear 52 thus directly drives the cylinder part which carries the rows of punctures, while the gear 57 drives directly the cylinder part which carries the folding blades.
  • the drive gears 52 and 57, which are mounted on the two mutually independent parts of the transport cylinder 6, are preferably spiral-toothed, the one gear being a screw turn to the right and the other a screw turn for reasons which will be explained below with reference to FIG. 7 to the left.
  • the folding cylinder 12 is implemented in the same way with two mutually independent, interleaved and mutually movable parts, each with a drive gear, in accordance with a construction that is completely analogous to the construction shown in FIG.
  • the jaws for the first fold 11, 11 are seated and 11 on the inner cylinder and the jaws for the second fold 15.15 and 15 on the outer cylinder.
  • the cylinder for the second fold 16 also consists of two mutually independent, nested and mutually movable parts.
  • the cylinder for the second fold 16 allows only two-part symmetry, which is why only two gripper bridges 17 and 17 on the inner cylinder and two folding knives 18 and 18 sit on the outer cylinder.
  • FIG. 5 which shows the special structure of the transport cylinder 6, also serves to describe the folding cylinder 12 and the cylinder for the second fold 16.
  • the respective drive gear wheels which are visible in FIG. 7, are the gear wheels 65 and 66 for the folding cylinder 12 and the gear wheels 74 and 75 for the cylinder for the second fold 16.
  • FIG. 7 which is a sequence drawing of the machine in question, the sequence of which in FIG. 6 takes place in the order A, B, C, D, M, L, K, shows on average the various cylinders of the machine, theirs Link gears and alternatively the drive cams of the various shafts concerned.
  • the drive gears 52, 57 of the two mutually independent parts of the transport cylinder 6, on the one hand, and the drive gears 66, 65 of the two mutually independent parts of the folding cylinder 12, on the other hand, are connected to one another via respective coaxial gear pairs 59, 58 and 68, 67, which via a separable coupling are coupled together.
  • each pair of gears 59, 58 and 68, 67 forms a non-rotatably connected unit, since the corresponding clutch is then in the engaged position.
  • the entire folder is driven by a pinion 77, which is driven by a cardan shaft 78, which connects the entire folder to the printing press and to the electric drive motor.
  • the pinion 77 engages in the gear 52, which is connected to the inner part of the transport cylinder 6.
  • the gear 52 drives the gear 76 on the one hand and thus the cutting cylinder 5 and on the other hand the gear pair 59, 58 (which forms a unitary block), which in turn drives the gear 57 of the transport cylinder 6.
  • the sequence of movements is then subsequently achieved by the gear 66, the (coupled) gear pair 68, 67, the gear 65, which ensures the drive of the folding cylinder 12, and finally the gear wheels 74 and 75 of the cylinder for the second fold 16.
  • the separation of the coupling of the gears of the gear pairs 59, 58 and 68, 67 actually enables a provisional separation of the connections between the gear pairs 52, 57 and 66, 65 of the transport cylinder 6 and of the folding cylinder 12, which enables a perfect angular adjustment of the relevant pairs of parts of all three relevant cylinders with regard to changing the machine configuration.
  • the claws 60 and 69 can be operated manually by means of a hand wheel or by means of a compressed air or hydraulic cylinder or by means of an electromagnet or any other actuating part be operated.
  • the actuating parts can be seen in FIG. 7 as a cylinder with a double-acting actuating cylinder 61 and a linkage 62 connected thereto for the claw 60 and a double-acting actuating cylinder 70 and a linkage 72 connected therewith for the claw 69.
  • FIG. 8 shows the parts connected to the gear pair 59, 58, which is connected to the transport cylinder 6, of course identical parts for the other gear pair 68, 67, which with the Folding cylinder is connected, are used.
  • 8 shows the associated shaft 163, which is fastened to the frame of the folder, on which a sleeve 102 is rotatably mounted via a roller bearing 103, on which in turn the gear wheel 58 is mounted in a lockable manner.
  • the gear 59 is rotatably mounted on the sleeve 102, a bronze ring 104 and a locking ring 105 each ensure the rotation and the locking of the gear 59 on this sleeve.
  • a collar 101 which is wedged onto the sleeve 102 by an associated wedge 114, is the movable element of the claw 60 and this collar 101 comprises a plurality of pistons 107, which are subjected to the action of springs 115 attached thereto, whereby supports the free end of this piston against a washer 106 which is attached to the upper part of the sleeve 102.
  • the collar 101 can thus assume two axial positions, ie a lower position (in the figure), which corresponds to an engaged position of the claw, and an upper position (in the figure) at the stop on the support plate 106, which is an uncoupled position corresponds to the claw.
  • the compressed air cylinder 61 and the associated linkage lever 62 ensure the displacement of the collar 101 between the two axial positions.
  • the locked position shown in FIG. 8 is shown again in the associated view of FIG.
  • each notch corresponds to a corresponding one
  • the collar ring 101 When the actuating cylinder 61 is actuated to separate the coupling produced via the claw 60, the collar ring 101 is at the stop on the associated disk 106 and the pin 108 is outside the notch 109, so that this pin has a surface 111 between the Notches 109 and 110 can run and still remain under the circumferential surface 112 of the gear 59, as shown in FIG. 8b: For this reason, the pin 108 of the collar 101 has an adjustment path which is due to its two stop positions to the right of the two notches 109 and 110 is limited. The transition from one notch to the other occurs when the claw is disengaged due to the associated actuating parts, which are described below.
  • FIG. 8 also shows an additional adjusting device which corresponds to a fine adjustment of the "protrusion" of the specimen.
  • the shaft 163 ends in a threaded part 63 onto which an adjusting wheel 64 is screwed, the axial position of which is secured by a locking nut 113.
  • An angular contact ball bearing 100 is provided between the adjusting wheel 64 and the sleeve 102, the outer ring of this bearing being clamped between the disk 106 and the aforementioned sleeve 102, while the inner ring is firmly connected to the above-mentioned adjusting wheel 64.
  • This fine adjustment device of the overhang works as follows: If the lock nut 113 is loosened so that the adjusting wheel 64 can be adjusted in one direction or the other, the sleeve 102 can be axially displaced by the rotation of this adjusting wheel and thus also the gears 58 and 59 which are connected to it; since the gears 58 and 59 are spiral-toothed in the opposite direction (screw turn to the left for the gear 58 and to the right for the gear 59), this axial displacement of the sleeve relative to the cylinder shaft causes a corresponding rotary movement between the gears 52 and 57 and consequently a corresponding movement between the folding blades and the rows of punctures of the transport cylinder 6.
  • the setting wheel 64 can be rotated either by hand or via an associated motor which enables remote control.
  • the device for adjusting the protrusion of the first fold which has been described for the transport cylinder 6 with reference to FIG. 8, is preferably found with the same structure and the same mode of operation for regulating the protrusion for the second fold in the folding cylinder 12.
  • the setting wheel 73 is shown, which corresponds to the setting wheel 64 mentioned.
  • the two helical gears 68, 67 can be axially displaced by rotating the setting wheel 73 and a corresponding rotary movement can be carried out between the gears 66 and 65, ie actually between the flaps for the first fold and the flaps for the second fold sit on the folding cylinder 12.
  • these actuating parts comprise a reversible screw and nut system 80, the screw of which carries a gear 87 and the nut of which also carries a gear 86, and an associated cylinder 90 with which the two concentric gear wheels 87, 86 can be brought together or removed from one another to form a pair of gears in one direction or the other depending on the desired configuration, one of said gears (86) being connected to the gear 52 which is connected to the central part of the transport cylinder 6, while the other (87) is connected to the gear 75, which is connected to the outer part of the cylinder for the second fold 16, to form a closed ring.
  • a reversible screw and nut system 80 the screw of which carries a gear 87 and the nut of which also carries a gear 86
  • an associated cylinder 90 with which the two concentric gear wheels 87, 86 can be brought together or removed from one another to form a pair of gears in one direction or the other depending on the desired configuration, one of said gears (86) being
  • the reversible screw-nut system 80 is connected to the gear wheels 52 and 75 here by means of intermediate wheels 81 and 79, which are mounted on the machine frame:
  • the gear wheel 79 meshes with the gear wheel 75 of the cylinder for the second fold 16 and the gear 81 engages in the gear 52 of the transport cylinder 6, this last-mentioned tooth connection being shown schematically in FIG. 7 by a dash-dot line 200.
  • the exact structure of the screw-nut system 80 is better visible in FIG. 9, which is described below.
  • the reversible nut and nut system 80 which is primarily a device for creating a moment to change the machine configuration with a view to achieving a second desired fold, comprises a hollow shaft 95 which is rotatably mounted on the machine frame via two bearings 82 and 83 is.
  • This shaft 95 which represents the screw of the reversible screw-nut system 80, has a screw pitch over a certain length with a large pitch 84, onto which a bronze nut 85 is screwed, which represents the nut of the reversible screw-nut system mentioned.
  • the gear 87 is caulked on the other end of the shaft 95, while the gear 86 coaxial therewith is fixedly connected to the nut 85.
  • This moving away or approaching can, for example, as can be seen in FIG. 9, be realized by providing a central shaft 88 which runs concentrically through the shaft 95, this shaft having a ball bearing 89 on one end Connection to the complex of nut 85 and gear 86 and at the other end has a connection to the shaft of an actuating cylinder 90, which cylinder is connected to the machine frame of the folder.
  • the moment acting on the ring gears is added to the resistance of the machine when the cylinder 90 pushes on the system in the direction of arrow 91.
  • this makes it possible to apply a force whose effect is to eliminate the play in the drive direction of the row of gearwheels.
  • the screw 95 of the reversible screw-nut system 80 can be subjected to a permanent tension, so that an additional function of the play adjustment is carried out during continuous operation of the machine.
  • This pull can be realized by the cylinder 90 of the reversible screw-nut system 80 as just described, but it can also be exerted by other means such as a compression spring (not shown) which is supported on the machine frame. In the latter case, the cylinder 90 only has a function when the modification of the machine is changed with a view to achieving a second parallel fold or a delta fold.
  • actuating parts can be used with which the angular distance between the part pairs of the transport cylinder 6 or the folding cylinder 12 can be changed:
  • These parts can, for example, consist of drive parts of the folding apparatus 77, 78, which are operated in a slower manner in one direction or the other depending on the desired configuration, the cylinder for the second fold 16 is then determined by a corresponding brake (not shown here). It can be seen that when the cylinder for the second fold 16 is locked and one or the other claw 60 or 69 is disengaged, the rotation of the machine in one direction or the other leads to the execution of the desired corresponding rotary movements of the claw which is disengaged Cylinder enables.
  • this last-mentioned solution is less efficient than the previous one, because one loses the advantage of the additional function of the game adjustment when the machine is in continuous operation.
  • the transport cylinder 6, the folding cylinder 12 and the cylinder for the second fold 16 are then in a configuration for realizing a delta fold.
  • one should complete this process by changing the cam position by adjusting the rows of punctures of the transport cylinder 6 and the grippers of the cylinder for the second fold 16.
  • the position of the release of the punctures should be changed, which is done by rotating the associated cam 91 with the aid of a cylinder 92, as shown in FIG.
  • the position of the release of the grippers can be changed by moving a part of a double cam 93 with the aid of a corresponding cylinder 94 (in this case it is a double cam with which the gripping position is fixed, but the release at variable positions can take place, which corresponds to a cam with an aperture).
  • the opening and closing of the various rows of punches, folding jaws and grippers is controlled by cams which are firmly connected to the frame and are concentric with the corresponding cylinder which they act on, and which, in a completely conventional manner, control rollers connected to the various shafts by means of levers, as is the case with other folders .
  • Such a setting of the positions at which the rows of punctures and the grippers are released is known to all experts and does not need to be described in detail here.
  • All operations can be carried out one after the other with the help of an electromechanical sequence or with a microprocessor that actuates the various solenoid valves and parts of the relevant automatism.

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  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Rotary Presses (AREA)
EP92111482A 1991-08-19 1992-07-07 Machine à couper et à plier une bande de papier imprimée Expired - Lifetime EP0531648B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9110411 1991-08-19
FR9110411A FR2680480B1 (fr) 1991-08-19 1991-08-19 Machine a couper et a plier une bande de papier imprime.

Publications (2)

Publication Number Publication Date
EP0531648A1 true EP0531648A1 (fr) 1993-03-17
EP0531648B1 EP0531648B1 (fr) 1995-03-22

Family

ID=9416259

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92111482A Expired - Lifetime EP0531648B1 (fr) 1991-08-19 1992-07-07 Machine à couper et à plier une bande de papier imprimée

Country Status (6)

Country Link
US (1) US5242367A (fr)
EP (1) EP0531648B1 (fr)
JP (1) JP3372271B2 (fr)
CA (1) CA2073132C (fr)
DE (1) DE59201713D1 (fr)
FR (1) FR2680480B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0575787A1 (fr) * 1992-06-25 1993-12-29 Heidelberger Druckmaschinen Aktiengesellschaft Appareil de pliage pour la réalisation d'exemplaires pliés à partir d'une bande de papier imprimée
EP0639453A1 (fr) * 1993-08-16 1995-02-22 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour faire des perforations transversales
FR2718385A1 (fr) * 1994-04-08 1995-10-13 Roland Man Druckmasch Plieuse à mâchoires comportant un cylindre à pinces et couteaux de pliage et un cylindre à pinces et lames de pliage.
DE4426987A1 (de) * 1994-07-29 1996-02-01 Roland Man Druckmasch Falzapparat mit Formatumstellung
EP1264689A2 (fr) * 2001-06-09 2002-12-11 MAN Roland Druckmaschinen AG Entraínement d'une plieuse de la rotative
DE102004034722A1 (de) * 2004-07-17 2006-02-16 Man Roland Druckmaschinen Ag Falzapparat
WO2008031690A1 (fr) * 2006-09-11 2008-03-20 Koenig & Bauer Aktiengesellschaft Plieuses avec un cylindre à lames de pliage et un cylindre à volets plieurs

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DE4313938A1 (de) * 1993-04-28 1994-11-03 Frankenthal Ag Albert Falzapparat für Rotationsdruckmaschinen
FR2711576B1 (fr) * 1993-10-26 1996-01-19 Heidelberg Harris Sa Dispositif de commande de l'accumulation ou non accumulation d'un cylindre coupeur-accumulateur d'une plieuse.
US6644184B1 (en) * 1995-02-09 2003-11-11 Man Roland Druckmaschinen Ag Offset printing machine
US5522586A (en) * 1994-09-07 1996-06-04 Rockwell International Corporation Folding apparatus with multiple speed folding jaw cylinder
DE19516445A1 (de) * 1995-05-04 1996-11-07 Wifag Maschf Rotationsdruckmaschine mit frei aufstellbarem Falzapparat
DE69608386T2 (de) * 1995-09-19 2000-09-21 Goss Graphic Systems, Inc. Antriebsvorrichtung für eine Falzmaschine in einer Druckmaschine
DE19719553A1 (de) * 1997-05-09 1998-11-12 Koenig & Bauer Albert Ag Falzapparat
US6038974A (en) * 1998-11-05 2000-03-21 Heidelberger Druckmaschinen Ag Gripper deceleration cross folder
US6752751B2 (en) * 2001-02-23 2004-06-22 Heidelberger Druckmaschinen Ag Folder with multiple-motor drive
JP3738418B2 (ja) * 2001-07-18 2006-01-25 株式会社東京機械製作所 折畳部の咥え装置
US6832886B2 (en) 2001-07-27 2004-12-21 C. G. Bretting Manufacturing Co., Inc. Apparatus and method for stacking sheets discharged from a starwheel assembly
DE10209214B4 (de) * 2002-03-04 2004-03-25 Koenig & Bauer Ag Schneidvorrichtung
JP3679391B2 (ja) * 2002-10-22 2005-08-03 株式会社東京機械製作所 折機のデリバリー装置
US6877740B2 (en) 2003-07-30 2005-04-12 C.G. Bretting Manufacturing Company, Inc. Starwheel feed apparatus and method
US7121994B2 (en) * 2003-09-30 2006-10-17 Fpna Acquisition Corporation Assembly for and method of adjusting the phasing of folding rolls to create a fold in sheets of material
DE102004007069A1 (de) * 2004-02-13 2005-08-25 Goss International Montataire S.A. Rotationselement einer Druckmaschine, mit einem Encoder
US8425392B2 (en) * 2005-12-27 2013-04-23 Goss International Americas, Inc. Broadsheet newspaper printing press and folder
US7771335B2 (en) * 2008-03-24 2010-08-10 Goss International Americas, Inc. Apparatus and method for cutting and folding printed products
JP5425294B1 (ja) * 2012-11-21 2014-02-26 株式会社東京機械製作所 バリアブルカットオフ折機、及びバリアブルカットオフ折機を備える印刷機
DE102013102729A1 (de) * 2013-03-18 2014-09-18 Manroland Web Systems Gmbh Falzeinrichtung einer Druckmaschine und Verfahren zum Betreiben der Falzeinrichtung

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GB1194451A (en) * 1967-04-18 1970-06-10 Koenig & Bauer Schnellpressfab Folding Apparatus for Sheets of Varying Size in Web-Fed Rotary Printing Presses
EP0019202A1 (fr) * 1979-05-22 1980-11-26 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif de pliage pour une machine rotative d'impression

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GB1194451A (en) * 1967-04-18 1970-06-10 Koenig & Bauer Schnellpressfab Folding Apparatus for Sheets of Varying Size in Web-Fed Rotary Printing Presses
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Cited By (14)

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Publication number Priority date Publication date Assignee Title
EP0575787A1 (fr) * 1992-06-25 1993-12-29 Heidelberger Druckmaschinen Aktiengesellschaft Appareil de pliage pour la réalisation d'exemplaires pliés à partir d'une bande de papier imprimée
EP0639453A1 (fr) * 1993-08-16 1995-02-22 M.A.N.-ROLAND Druckmaschinen Aktiengesellschaft Dispositif pour faire des perforations transversales
FR2718385A1 (fr) * 1994-04-08 1995-10-13 Roland Man Druckmasch Plieuse à mâchoires comportant un cylindre à pinces et couteaux de pliage et un cylindre à pinces et lames de pliage.
DE4426987A1 (de) * 1994-07-29 1996-02-01 Roland Man Druckmasch Falzapparat mit Formatumstellung
FR2723078A1 (fr) * 1994-07-29 1996-02-02 Roland Man Druckmasch Plieuse a changement de format
US5676630A (en) * 1994-07-29 1997-10-14 Man Roland Druckmaschinen Ag Folder device with format conversion
DE4426987C2 (de) * 1994-07-29 1998-10-22 Roland Man Druckmasch Falzapparat mit Formatumstellung
EP1264689A2 (fr) * 2001-06-09 2002-12-11 MAN Roland Druckmaschinen AG Entraínement d'une plieuse de la rotative
DE10128122A1 (de) * 2001-06-09 2002-12-12 Roland Man Druckmasch Antrieb für einen Falzapparat
US6776750B2 (en) 2001-06-09 2004-08-17 Man Roland Druckmaschinen Ag Drive for a folder
EP1264689A3 (fr) * 2001-06-09 2005-04-20 MAN Roland Druckmaschinen AG Entraínement d'une plieuse de la rotative
DE102004034722A1 (de) * 2004-07-17 2006-02-16 Man Roland Druckmaschinen Ag Falzapparat
WO2008031690A1 (fr) * 2006-09-11 2008-03-20 Koenig & Bauer Aktiengesellschaft Plieuses avec un cylindre à lames de pliage et un cylindre à volets plieurs
US7883455B2 (en) 2006-09-11 2011-02-08 Koenig & Bauer Aktiengesellschaft Folding device with a folding blade cylinder and a folding jaw cylinder

Also Published As

Publication number Publication date
DE59201713D1 (de) 1995-04-27
EP0531648B1 (fr) 1995-03-22
FR2680480B1 (fr) 1993-11-26
JPH05238642A (ja) 1993-09-17
US5242367A (en) 1993-09-07
CA2073132C (fr) 1998-01-06
FR2680480A1 (fr) 1993-02-26
JP3372271B2 (ja) 2003-01-27
CA2073132A1 (fr) 1993-02-20

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