US20110014024A1 - Method and device for continuously joining at least two imbricated flows of flat printed products - Google Patents

Method and device for continuously joining at least two imbricated flows of flat printed products Download PDF

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Publication number
US20110014024A1
US20110014024A1 US12/838,219 US83821910A US2011014024A1 US 20110014024 A1 US20110014024 A1 US 20110014024A1 US 83821910 A US83821910 A US 83821910A US 2011014024 A1 US2011014024 A1 US 2011014024A1
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Prior art keywords
imbricated
printed products
flows
flow
overlapping area
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US12/838,219
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English (en)
Inventor
Hans Leuenberger
Iwan Iseli
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Mueller Martini Holding AG
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Mueller Martini Holding AG
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Assigned to MULLER MARTINI HOLDING AG reassignment MULLER MARTINI HOLDING AG ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Iseli, Iwan, LEUENBERGER, HANS
Publication of US20110014024A1 publication Critical patent/US20110014024A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6681—Advancing articles in overlapping streams merging two or more streams into an overlapping stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • B65H2404/2613—Means for changing the transport path, e.g. deforming, lengthening

Definitions

  • the invention relates to a method and a device for continuously joining at least two imbricated flows of flat printed products which are transported at the same speed and spaced from each other.
  • rotary offset printing In rotary offset printing, entire paper webs are printed which are rolled off paper rolls.
  • a rotary offset printing machine is capable of printing more than 100,000.00 printed products per hour. In order to achieve this high production number, very often double productions are carried out.
  • a “16 pages” printing machine is capable of simultaneously printing and discharging two equal “8 pages” brochures.
  • folding units are connected to the outputs of the printing machine which fold the printed products and transfer them to a rotary receiving unit. From the outputs of such a printing machine or the folding units following the printing machine, two similar flat printed products emerge continuously which are transported from the rotation pick-up through two pick-up lines to further processing, for example a stitcher gatherer.
  • the printed products are conveyed through conveyor systems, for example, conveyor belts, continuously and in the form of two so-called imbricated flows, i.e., in flows in which the product partially overlap each other in the transporting direction.
  • a disadvantage of the known plants is the fact that for further processing two pick-up lines must be made available and operated. This leads to an increase of the purchasing and maintenance costs.
  • EP 0214458 A2 discloses a method and a device to joining two imbricated flows which are conveyed next to each other, wherein the two flows are joined in a common transport plane offset relative to each other and at an acute angle up to the complete intersection, and the flows are deflected in the area of joining of the products alternatingly from the common transport plane.
  • EP 021445882 discloses an improvement of the above-mentioned solution, in which the deflection device is constructed as at least one non-driven deflector which has a smooth, camless engagement contour.
  • WO2008/089565 discloses another method and corresponding device for joining two imbricated flows of flat printed products.
  • the printed products of the two imbricated flows are initially transported offset relative to each other in the conveying direction and are in the horizontal direction transported on separate conveying paths.
  • the printed products are grasped by gripping members assigned to each imbricated flow of a driven intermediate conveyor and are in the process transported relative to each other and in horizontal alignment on separate conveying paths.
  • the printed products are grasped by gripping members assigned to each imbricated flow of a driven intermediate conveyor and are individualized and brought into a vertical position.
  • the distances in the product flow are introduced in the manner of a comb in such a way by means of the gripping members until the printed products of both product flows form a single product flow from identically aligned product flows. Finally, this product flow is placed on a subsequent path conveyor forming an imbricated flow.
  • this object is met by a method for continuously joining at least two imbricated flows of flat printed products and by a device for carrying out such a method.
  • the first of the two imbricated flows is laterally offset relative to the second imbricated flow so as to form a first lateral overlapping area of both imbricated flows.
  • the printed products of both imbricated flows are lifted continuously in the first lateral overlapping until the lateral overlapping is canceled and the printed products of the two imbricated flows which previously had been placed one on top of the other are separated.
  • the printed products of both imbricated flows are, at least in their raised, lateral overlapping area, successfully lowered or dropped in such a way that alternatively one printed product of the first or the second imbricated flow comes to rest partially above the printed products of the respectfully other imbricated flow, so that a single imbricated flow is formed with a second lateral overlapping area of the printed products.
  • the device according to the present invention for carrying out the method of the invention comprises two spaced apart input conveyors spaced apart from each other for transporting one of the two respective imbricated flows to a principal conveyor and a spreading device arranged in the area of the principal conveyor for spreading, i.e., alternatingly inserting, the printed products of one of the imbricated flows into the printed products of the other imbricated flow.
  • the method and the device for carrying out the method provide the possibility of continuously combining imbricated flows which emerge from a multiple-purpose printing machine, such as the above mentioned “16 Page” printing machine and to combine the imbricated flows directly in a single imbricated flow, so that the flat printed products contained in this imbricated flow can be further processed without any further adaptation steps.
  • a multiple-purpose printing machine such as the above mentioned “16 Page” printing machine
  • FIG. 1 is a side view of a preferred embodiment of the device according to the present invention.
  • FIG. 2 a is a detailed view of the third component of the lower input conveyor in a first state of the operation
  • FIG. 2 b is a view analogous to FIG. 2 a , however, in a second state of operation corresponding to FIG. 1 .
  • FIG. 3 is a top view of the pattern of the imbricated flows in the device according to the present invention.
  • FIG. 4 is a side view of the spreading device of the device according to the present invention, corresponding to FIG. 1 ;
  • FIG. 5 is a detailed view of the spreading device
  • FIG. 6 shows the gathering of the two imbricated flows of the double flow in three steps ( 6 a, 6 b, 6 c );
  • FIG. 7 is a top view of the area E of the device according to the present .invention, with the spreading device and with a mutual offset of the imbricated flows in the transport direction;
  • FIG. 8 is a top view analogous to FIG. 6 , however, without a mutual offsetting of the imbricated flows in the transport direction and with portions of the spreading device which are offset relative to each other in the transport direction;
  • FIG. 9 is a top view of the device for pushing together the flows which follows the spreading device as well as the subsequent centering device.
  • FIG. 1 is a side view of a preferred embodiment of the device 1 according to the present invention for joining two imbricated flows 2 a, 2 b of flat printed products 3 .
  • the vertically broken lines are shown for illustration purposes and represent a division of the device 1 into areas A to G.
  • Upwardly of the device 1 is located an output 4 of an otherwise not illustrated printing machine or of a folding unit, not illustrated in detail, by means of which two conveyor belts 5 a, 5 b arranged one above the other, flat printed products 3 in the form of a first upper imbricated flow 2 a and a second lower imbricated flow 2 b are passed on in a transport direction V respectively to an upper and a lower input conveyor 6 a, 6 b of the device 1 constructed as a conveyor belt.
  • the two input conveyors 6 a, 6 b each comprise several parts 7 a, 7 b; 8 a , 8 b; 9 a, 9 b; 10 a, 10 b; 11 which are arranged in the areas A to D of the device 1 .
  • the imbricated flows 2 a , 2 b are transported through two first parts 7 a, 7 b of the two input conveyors 6 a, 6 b.
  • the input conveyors 6 a, 6 b can also be equipped with a greater or smaller number of parts and the supply of imbricated flows 2 a, 2 b can also take place without first parts 7 a, 7 b.
  • the conveyor belts 5 a, 5 b can be arranged instead of one above the other, so as to be arranged next to each other or offset relative to each other in a lateral position and/or in a vertical position.
  • both conveyor belts 5 a, 5 b at the output 4 of a single printing machine it is also possible to connect a conveyor belt 5 a, 5 b respectively to the output of another printing machine.
  • the imbricated flows 2 a, 2 b arrive in a second area B of the device 1 in which a second part 8 a, 8 b of the input conveyor 6 a, 6 b, each constructed as a switch, can be arranged in such a way that the input conveyor can assume two positions. They are a first position for conveying the imbricated flows 2 a, 2 b in the transport direction V and a second position for eliminating waste paper, wherein the respective printed products 3 are conducted, for example, into a waste container, not illustrated.
  • the position of the two second parts 8 a, 8 b of the input conveyor 6 a, 6 b which is lowered for elimination, is illustrated in broken lines.
  • the elimination takes place preferably in start-up phases of the preceding printing process, in order to remove defective printed products 3 until the printing machine is adjusted to a correct print.
  • the parts 8 a, 8 b of the input conveyors 6 a , 6 b can be transferred from one of the two positions into the other at any time.
  • the imbricated flows 2 a , 2 b arrive in a third part C of the device 1 in which at least one of the two input conveyors 6 a, 6 b has a third part 9 a, 9 b which is composed of an upper belt 12 , and a lower belt 13 , as seen in FIGS. 2A and 2 b.
  • the upper belt 12 traveling around a number of deflection rollers 12 a are driven through a drive roller 12 b and additionally has a tightening roll 12 c.
  • the lower belt 13 is also provided with a number of deflection rollers 13 a, a drive roller 13 b as well as a tightening roller 13 c.
  • a roll segment 13 e which is vertically adjustably fastened to a guide element 13 d which can be moved by means of an adjusting device, not shown, from a first position illustrated in FIG. 2 a , into a second position which is shown in FIG. 2 b .
  • an adjusting device not shown
  • a direct or delayed further transport of the respective imbricated flows 2 a, 2 b can be effected and, thus, an offset 14 , seen in FIG. 7 , between the product backs of the printed products 3 of the two imbricated flows 2 a, 2 b can be adjusted in the transport direction V.
  • the length of the transport path of the flat printed product 3 extending between the upper belt 12 and the lower belt 13 can be varied, so that the length of the transport path extending between the upper belt 1 and the lower belt 13 can be adjusted and, thus, the offset 14 can be varied as desired.
  • the maximum delay of the lower imbricated flow 2 b takes place in the maximum deflected position of the lower belt 13 as illustrated in FIG. 2 b , which has as a result the greatest offset 14 of the two imbricated flows 2 a, 2 b.
  • the upper third part 9 a correspondingly.
  • both third parts 9 a, 9 b can be provided with such extension possibilities for the transport path.
  • other elements can be used, for example, delay members composed of articulated pieces which are coupled to each other.
  • the imbricated flows 2 a, 2 b subsequently arrive in a fourth part D of the device 1 in which a respectively fourth part 10 a , 10 b of the input conveyor 6 a, 6 b is arranged.
  • These parts 10 a , 10 b deflect the transport direction V at least of one of the two input conveyors 6 a , 6 b.
  • Downstream end portions of the input conveyors 6 a, 6 b are constructed in such away that they arrive essentially in a plane following the input conveyor 6 a, 6 b of a principal conveyor 15 also constructed as a conveyor belt, and at one of the input conveyors 6 a, 6 b , i.e., one of the fourth parts 10 a, 10 b , extends at a predetermined distance from the point of joining the other input conveyors 6 a, 6 b, i.e., with the other part 10 b, 10 a laterally offset relative to the latter, as seen in FIG. 3 .
  • the fourth part 10 a of the upper input conveyor 6 a is laterally pivotable, while the fourth part 10 b of the lower input conveyor 6 b preferably already is aligned directly to the principal conveyor 15 .
  • the fourth part 10 b or alternatively both fourth parts 10 a, 10 b are constructed so as to be laterally pivotable.
  • the lateral pivoting of the fourth part 10 takes place by means of a joint 10 c arranged downstream of a third part 9 a, wherein the part 10 a is fastened to the joint 10 c.
  • the printed products 3 of the upper imbricated flow 2 a are laterally offset relative to those of the lower imbricated flow 2 b transversely of the transport direction V, so that a first lateral overlapping area d 1 is created, as seen in FIG. 7 , in which the two imbricated flows 2 a, 2 b overlap each other in their border areas.
  • the lateral pivoting of the fourth part 10 a also influences the offset 14 in the transport direction V which must be taken into consideration in the already described adjustment in the area C of the device 1 .
  • the offset 14 is thus adjusted in dependence of the width of the intended first lateral overlapping area dl of the two imbricated flows 2 a, 2 b.
  • the fourth part 10 b of the lower input conveyor 6 b and the laterally pivotable fourth part 10 a of the upper input conveyor 6 a transfer the imbricated flows 2 b, 2 a to a fifth and last common part 11 of the input conveyors 6 a, 6 b which, in turn, transfers a double imbricated flow 16 a obtained as a result to the principal conveyor 15 .
  • the double imbricated flow 16 a meets with a spreading device 17 located in a fifth area E of the device 1 .
  • the fourth part 10 b and the pivotable fourth part 10 a transfer the imbricated flows 2 a , 2 b directly to the principal conveyor 15 .
  • the spreading device 17 is preferably constructed as a spreading plow 18 or comprises such a spreading plow 18 by means of which the printed products 3 of the upper imbricated flow 2 a can be separated from the printed products 3 of the lower imbricated flow 2 b.
  • the separation refers to a partial procedure of the joining process, in which the printed products 3 of the two imbricated flows 2 a, 2 b located one on top of the other of the double imbricated flow 16 a are moved upright at least in their overlapping area d 1 and the two imbricated flows 2 a, 2 b can thus be separated from each other.
  • the printed products 3 are then joined together into a single imbricated flow 16 b in such a way that a second overlapping area d 2 with its border area of overlapping printed products 3 is formed.
  • they can also be lowered onto the principal conveyor 15 .
  • a first pressure element 19 a On both sides of the spreading plow 18 is provided a first pressure element 19 a, preferably a pressure roller, which is constructed in such a way that it presses the printed products 3 of the previous imbricated flows 2 a, 2 b which were separated by the spreading plow 18 during falling down still against side surfaces 18 a of the spreading plow 18 , as seen in FIG. 4 , which facilitates the formation of the imbricated flow 16 b.
  • stabilizing elements for a controlled transport of the pressure products 3 of the two imbricated flows 2 a, 2 b of the double imbricated flow 16 a during the joining to a single imbricated flow 16 b are provided whose purpose it is to prevent sliding of the printed products 3 , particularly when being lifted by the spreading plow 18 and the subsequent dropping onto the principal conveyor 15 .
  • the stabilizing elements include, for example, guide elements 15 a , 15 b constructed as hoses, pipes, carriages and/or rollers and second pressure elements 19 b constructed, for example, as upper belts, chain links and/or load application rollers. As shown in FIG.
  • first guide elements 15 a are arranged laterally and upstream of the spreading plow 18 and two second guide elements 15 b are arranged laterally and downstream of the spreading plow 18 , as well as two second pressing elements 19 b arranged laterally of the spreading plow 18 and above the principal conveyor 15 .
  • the first and second guide elements 15 a , 15 b are arranged transversely of the transport direction V and are adjustable relative to each other transversely of the transport direction V at a distance relative to each other.
  • the two second pressure elements 19 b are constructed in such a way that they press the printed products 3 against the principal conveyor 15 .
  • the principal conveyor 15 transfers the imbricated flow 16 b to a first transfer conveyor 21 a which is also constructed as a conveyor belt, wherein a safe guidance of the printed products 3 by means of a third pressure element 19 c in the transfer area above the principal conveyor 15 and the first transfer conveyor 21 a, and by means of a third pressure element 19 c constructed as pressure rollers, as shown in FIG. 9 .
  • the imbricated flow 16 b is conducted further to a pushing together device 22 .
  • This device 22 includes guide elements 22 a arranged on both sides of the first transfer conveyor 21 a , which extend from outside toward inside, are constructed as clamping belt conveyors with two guide elements 22 a each arranged above conveyor belts.
  • the guide elements 22 a are constructed in such a way that they cause a displacement of the printed products 3 of the two previous imbricated flows 2 a, 2 b each in the direction of the center of the imbricated flow 16 b.
  • this displacement is illustrated as an example with the aid of the printed product 3 of the previous imbricated flow 2 b, i.e., for reasons of clarity only one half of the imbricated flow 16 b is shown.
  • overlapping area d 2 FIG.
  • the pushing together device 22 reduces the width of the imbricated flow 16 b and transfers to a subsequent centering device 23 an imbricated flow 16 c which essentially completely overlaps.
  • the pushing together device 22 has downstream of the guide element 22 a a second transfer conveyor 21 b as well as pressure elements 22 b arranged above the conveyor 21 b and constructed as rollers, wherein the rollers guide the imbricated flow 16 c during the transfer to the centering device 23 .
  • the centering device 23 has on both sides an adjustable centering element 23 a each, whose spacing can be adjusted through an only schematically illustrated adjusting device 23 b corresponding to the width of the printed products 3 .
  • the printed products 3 following each other in the imbricated flow 16 c can be aligned finally after the pushing together device 22 , so that the imbricated flow 16 c always has a uniform width after the centering device 23 .
  • the imbricated flow 16 c is conveyed by means of transport belts 23 c and is conducted further by the belts 23 b to a subsequent seventh area G of the device 1 .
  • centering can also be achieved with other suitable devices.
  • a testing device 24 is arranged with a transport belt 24 a, a flow sensor 24 b, a switching device 24 c constructed as a discharge switch, as well as a display 24 d.
  • a quality control of the imbricated flow 16 c is carried out by means of the flow sensor 24 b, so that incorrect printed products 3 can be discharged through the discharge device 24 c into a waste paper container, not shown.
  • the printed products 3 of the imbricated flow 16 c considered acceptable finally reach through the display 24 d a further processing device 25 which is not illustrated and follows the device 1 .
  • FIG. 3 shows a top view of the pattern of the imbricated flows 2 a, 2 b, of the double imbricated flow 16 a as well as the imbricated flow 16 b and 16 c.
  • the conveyor belts 5 a, 5 b, the input conveyors 6 a, 6 b with their parts 7 a, 7 b; 8 a, 8 b; 9 a, 9 b; 10 a, 10 b and 11 as well as the principal conveyor 15 and the conveyors of the pushing together device 22 , the centering device 23 and the testing device 24 are for simplicity's sake only indicated in the lower area of FIG. 3 .
  • Components of the device 1 not relevant for the device 1 are not illustrated in this Figure.
  • the areas A through G correspond to the area illustrated in FIG. 1 .
  • the first, upper and the second, lower imbricated flow 2 a, 2 b travel above each other so that the latter is not visible in these areas of FIG. 3 .
  • the upper imbricated flow 2 a is deflected so as to be laterally offset, i.e., its printed products 3 have at the downstream end of the area D the first overlapping area dl transversely of the transport direction V which was already mentioned. As described with respect to FIG. 1 , this is realized preferably by the lateral pivoting of the fourth part 10 a of the upper input conveyor 6 a by means of the joint 10 c.
  • the double imbricated flow 16 a is achieved by placing the upper imbricated flow laterally offset on the lower imbricated flow 2 b. it is to be noted in this respect that the two input conveyors 6 a, 6 b have the same speed.
  • the double imbricated flow 16 a composed of the two individual imbricated flows 2 a, 2 b is transported in the fifth area E to the spreading device 17 and is transferred by means of the spreading plow 18 , the guide elements 15 a, 15 b, the second and first pressure elements 19 b , 19 a into the single imbricated flow 16 b.
  • the sixth area F subsequently the width of the imbricated flow 16 b through the pushing together device 22 and the subsequent centering device 23 are continuously reduced to such an extent that the second overlapping area d 2 illustrated in FIG. 7 corresponds to the width of the printed products 3 .
  • FIG. 4 shows a detailed view of the spreading plow 18 and the principal conveyor 15 .
  • the section A-A, B-B and C-C will in the following be described in connection with FIG. 5 .
  • the double imbricated flow 16 a is moved in the direction to the spreading plow 18 .
  • the printed products 3 are lifted beginning with their inner edges 26 .
  • the two first guide elements 15 remain essentially in contact with the spreading plow 18 when the previously overlapping areas of the printed products 3 and when the remaining areas of the printed products 3 are lifted, the products are essentially in contact with the principal conveyor 15 , so that a sufficient friction of the printed products 3 with the spreading plow 18 or the principal conveyor 15 is ensured. This prevents the printed products 3 from sliding laterally away and, in addition, ensures the controlled moving into the upright position.
  • the printed products 3 of the previously upper imbricated flow 2 a are already separated from the printed products 3 of the previously lower imbricated flow 2 b.
  • the printed products 3 once again drop onto the principal conveyor 15 , as seen in FIG. 4 (position of section B-B) and are subsequently transported in the direction of the pushing together device 22 illustrated in FIGS. 1 , 3 and 9 .
  • a first pressure element 19 a Arranged in both sides of the spreading plow 18 , is arranged a first pressure element 19 a which is preferably constructed as a pressure roll and which is equipped in such a way that it presses when dropping onto the principal conveyor 15 in the direction of the spreading plow 18 .
  • the first pressure elements 19 a are arranged laterally next to the downstream area of the spreading plow 18 , in order not to impair the movement into upright of the printed products 3 which begins at the inner edges 26 .
  • the first pressure elements 19 a advantageously prevent printed products 3 from dropping uncontrolled after separation onto the principal conveyor 15 and prevent the flow of the imbricated flow 16 b created downstream of the spreading plow 18 from becoming irregular.
  • the two second guide elements 15 b follow laterally and downstream of the spreading plow 18 , i.e., in the area where the printed products 3 drop.
  • the two second guide elements 15 b follow laterally and downstream of the spreading plow 18 , i.e., in the area where the printed products 3 drop.
  • These press the printed products 3 . against the principal conveyor 15 and ensure as a result that the air cushion provided between the dropping printed products 3 and the principal conveyor 15 is relatively overcome. In this manner, it is ensured that the printed products 3 are placed in an orderly manner on the principal conveyor 15 .
  • the dropping of the printed products 3 additionally stabilizes the second pressure element 19 b.
  • FIG. 5 shows a preferred embodiment of the spreading device 17 constructed as a spreading plow 18 or including such a spreading plow.
  • the spreading plow 18 has the form of two pyramids 20 with its three side surfaces 20 a, 20 b, 20 c and a base surface 20 d.
  • the pyramids 20 are each arranged with a first side surface 20 a in the plane of the principal conveyor 15 , not shown. They each have an edge 20 f which extends between the second and third side surfaces 20 b, 20 c of each pyramid 20 in an adjustable angle a relative to the transport direction V, wherein the respective base surface 20 d extends transversely of the transport direction V.
  • the edges 20 f extend against the transport direction V into a common tip 20 e.
  • the pyramids 20 are constructed in such a way that the edges 20 f have an adjustable inclination ⁇ .
  • the side surfaces 18 a of the spreading plow 18 correspond to the second side surfaces 20 b of the pyramids 20 and the upper edges 18 b of the spreading plow 18 correspond to the edges 20 f of the pyramids 20 .
  • the spreading plow 18 may also include more or less than two pyramids 20 .
  • the adjustable angle a and the adjustable inclination ⁇ have the effect that the shape of the spreading plow 18 can be adjusted in dependence on the format of the printed products 3 of the upper and lower imbricated flows 2 a, 2 b in such way that a regular imbricated flow 16 b is created.
  • the position of the first pressure element 19 a described in connection with FIG. 1 is also adjustable transversely of the transport direction V and vertically.
  • the spreading plow 18 is, however, not limited to the forms described above. Within the scope of the claimed features of the invention, a plurality of other form's are conceivable, for example, the form of a single pyramid or also guide elements which have guide surfaces that correspond to the second side surfaces 20 b of the pyramids 20 or the side surfaces 18 a of the spreading plow 18 . Of course, these guide surfaces can also be equipped with curved surfaces.
  • FIGS. 6 a , 6 b and 6 c show three steps for joining the imbricated flows 28 a, 28 b which correspond to the sections A-A, B-B and C-C.
  • the transport direction V is directed toward the observer. While the pressure elements arranged on both sides of the spreading plow 18 , i.e., the first pressure elements 19 a, as well as the adjustable constructed second pressure elements 19 b are illustrated, for clarity's sake, the illustration of the two guide elements 15 a, 15 b was omitted.
  • FIG. 6 shows the double imbricated flow 16 a with first upper imbricated flow 2 a and a second lower imbricated flow 2 b prior to their separation or prior to the separation of the corresponding printed products 3 .
  • the upper imbricated flow 2 a rests in the transport direction V over its entire length on the lower imbricated flow 2 b.
  • the pivotable part 10 a of the upper principal conveyor 15 adjusts the first overlapping area dl of the double imbricated flow 16 a. Because of the configuration of the usual further processing machines, this double imbricated flow 16 a cannot be further processed.
  • FIG. 6 b shows the position of a first printed product 3 a of the upper imbricated flow 2 a and of a first printed product 3 b of the lower imbricated flow 2 b in the state where they are separated from each other.
  • the two printed products 3 a, 3 b are prior to their separation lifted by the spreading plow 18 , here illustrated in the form of two pyramids 20 , essentially in the middle of the first overlapping area dl and the printed products are partially placed on the second side surfaces 20 b of the pyramids 20 located on their other side surfaces 20 a.
  • the first pressure elements 19 a advantageously ensure an exact guidance of the separated printed products 3 a, 3 b by pressing the products in the downstream area of the spreading plow 18 in the direction toward the second side surfaces 20 b of the pyramids 20 .
  • FIG. 6 c shows the position of the first printed products 3 a , 3 b of the previous upper and lower imbricated flows 2 a, 2 b downstream of the spreading plow 18 .
  • the first printed products 3 a, 3 b drop controlled by the first pressure element 19 a onto the principal conveyor 15 , wherein they overlap each other in a second overlapping area d 2 which, with respect to its width, essentially corresponds to the first overlapping area d 1 .
  • additional printed products 3 c or 3 d of the previously upper and lower imbricated flows 2 a, 2 b which in FIG.
  • the first printed products 3 a, 3 b are part of the imbricated flow 16 b, which differs from the double imbricated flow 16 a by the fact that the printed product 3 a of the previously upper imbricated flow 2 a is placed on the printed product 3 b of the previously lower imbricated flow 2 b, such that trailing printed product 3 d of the previously lower imbricated flow 2 b comes to rest on the printed product 3 a and the subsequent printed product 3 c of the previously upper imbricated flow 2 a, etc., so that alternatingly a printed product 3 of the upper or the lower imbricated flow 2 a, 2 b is placed partially on a printed product 3 of the respectively other imbricated flow 2 b, 2 a, as seen in FIG.
  • FIG. 7 shows in a top view the area E of the device 1 according to the present invention, with the joining device 17 and the offset 14 of the printed products 3 of the imbricated flow 2 a to the printed products 3 of the imbricated flow 2 b in the transporting direction V.
  • the double imbricated flow 16 a is supplied to the spreading plow 18 in the transport direction V and is transferred into the imbricated flow 16 b by means of the plow 18 .
  • the width of the second overlapping area d 2 is preferably essentially the same as the width of the first overlapping area dl.
  • FIG. 7 illustrates also the position of the first pressure elements 16 a on both sides of the spreading plow 18 and the downstream area thereof.
  • the upper and lower imbricated flows 2 a, 2 b have already been offset relative to each other previously by means of the part 9 of the lower input conveyor 6 b illustrated in detail in FIGS. 2 a , 2 b , and were offset relative to each other by the offset 14 by means of the pivotable fourth part 10 a of the upper input conveyor 6 a in the transport direction V, as illustrated in FIG. 1 , while the first lateral overlapping area dl also was adjusted by means of the fourth part 10 a.
  • the offset 14 of the two imbricated flows 2 a, 2 b in the transport direction V is in accordance with FIG. 7 greater than zero.
  • the offset 14 can be adjusted as desired by means of the upper belt 12 and the lower belt 13 of the third part 9 b of the lower input conveyor 6 b, and it can also be equal to zero. This case is described in the following in connection with FIG. 8 .
  • the printed products 3 are continuously positioned upright beginning with their inner edges 26 .
  • the inner edge 26 d of a printed product 3 of the upper imbricated flow 2 a is no longer in contact with a printed product 3 of the lower imbricated flow 2 b.
  • the first guide elements 15 a are preferably arranged laterally and the second guide elements 15 b are arranged downstream of the spreading plow 18 .
  • FIG. 8 shows a top view of an alternative construction of the area E of the device 1 according to the invention, wherein the spreading device 17 does not produce any offset 14 between the printed products 3 of the upper and lower imbricated flows 2 a, 2 b.
  • the two pyramids 20 of the spreading plow 18 have differently long side surfaces 20 a, 20 b, 20 c, wherein only the side surfaces 20 b are illustrated in FIG. 8 .
  • the imbricated flow 16 b formed in this manner alternatingly a printed product 3 of the upper or the lower imbricated flows 2 a, 2 b rests partially on a printed product 3 of the respectively other imbricated flow 2 b, 2 a.
  • the first pressure element 19 a, the first guide element 15 a and the second guide element 15 b are appropriately adjusted, i.e., are offset relative to each other in the transport direction V.
  • the double imbricated flow 16 a which has been formed without offset 14 is conveyed analogously to the double imbricated flow 16 a shown in FIG.
  • the width of the second overlapping area d 2 is also in this alternative solution preferably essentially equal to the width of the first overlapping area d 1 .
  • the advantages of the method and the device 1 according to the present invention reside in that an adaptation of the rotation pickup to the output located usually one above the other of a rotary offset printing machine and the purchasing costs for an additional further processing line can be saved which otherwise would be necessary for ensuring a parallel processing of the printed products 3 of the upper and the lower imbricated flows 2 a, 2 b . Accordingly, the costs for maintaining two processing lines can thus be significantly reduced. In addition, prior to joining the two imbricated flows 2 a, 2 b in the area B of the device 1 spoiled products are individually taken out of the flow which results in a cost reduction.
  • the device 1 has above been described in connection with conveying systems consisting of conveyor belts, it is of course possible within the scope of the invention to use other conveying systems, for example, gripper transporters. Also, a combination of different conveying systems is possible.
  • the areas A through D of the device 1 can be equipped with gripping transporters and the subsequent areas E through G with conveyor belts.
US12/838,219 2009-07-16 2010-07-16 Method and device for continuously joining at least two imbricated flows of flat printed products Abandoned US20110014024A1 (en)

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EP09165698A EP2275373B1 (de) 2009-07-16 2009-07-16 Verfahren und Vorrichtung zum kontinuierlichen Zusammenführen von zumindest zwei Schuppenströmen flächiger Druckprodukte
EP09165698.3-1256 2009-07-16

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EP (1) EP2275373B1 (de)
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CN102794787B (zh) * 2012-08-06 2014-11-05 南通恒康数控机械有限公司 一种海绵切割机导向扶正装置
CN104058291B (zh) * 2014-04-25 2016-06-29 浙江豪盛印刷机械有限公司 一种片材搭叠机构
CN112497950B (zh) * 2020-10-22 2021-06-11 中华商务联合印刷(广东)有限公司 一种胶装机与折前口机之间的书籍输送装置

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US4696464A (en) * 1985-01-29 1987-09-29 Gaemmerler Hagen Method of and an apparatus for uniting at least two streams of shingled laid out products, particularly folded paper products
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Also Published As

Publication number Publication date
EP2275373B1 (de) 2012-12-26
JP2011020857A (ja) 2011-02-03
CN101955082B (zh) 2015-09-23
CN101955082A (zh) 2011-01-26
EP2275373A1 (de) 2011-01-19
JP5616151B2 (ja) 2014-10-29

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