EP0368009B1 - Procédé et dispositif pour délivrer des articles d'imprimerie - Google Patents

Procédé et dispositif pour délivrer des articles d'imprimerie Download PDF

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Publication number
EP0368009B1
EP0368009B1 EP89118844A EP89118844A EP0368009B1 EP 0368009 B1 EP0368009 B1 EP 0368009B1 EP 89118844 A EP89118844 A EP 89118844A EP 89118844 A EP89118844 A EP 89118844A EP 0368009 B1 EP0368009 B1 EP 0368009B1
Authority
EP
European Patent Office
Prior art keywords
conveyor
region
print
arching
print product
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
Application number
EP89118844A
Other languages
German (de)
English (en)
Other versions
EP0368009A1 (fr
Inventor
Werner Honegger
Walter Reist
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.)
Ferag AG
Original Assignee
Ferag 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
Application filed by Ferag AG filed Critical Ferag AG
Priority to AT89118844T priority Critical patent/ATE90648T1/de
Publication of EP0368009A1 publication Critical patent/EP0368009A1/fr
Application granted granted Critical
Publication of EP0368009B1 publication Critical patent/EP0368009B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/669—Advancing articles in overlapping streams ending 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6654—Advancing articles in overlapping streams changing the overlapping figure
    • 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
    • B65H29/70—Article bending or stiffening arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/444—Stream of articles in shingled formation, overlapping stream
    • B65H2301/4447—Stream of articles in shingled formation, overlapping stream multiple streams
    • B65H2301/44472—Stream of articles in shingled formation, overlapping stream multiple streams superposed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4471—Grippers, e.g. moved in paths enclosing an area
    • B65H2301/44712—Grippers, e.g. moved in paths enclosing an area carried by chains or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/447—Moving, forwarding, guiding material transferring material between transport devices
    • B65H2301/4473—Belts, endless moving elements on which the material is in surface contact
    • B65H2301/44732—Belts, endless moving elements on which the material is in surface contact transporting articles in overlapping stream

Definitions

  • the present invention relates to a method and a device for conveying printed products according to the preamble of claims 1 and 21, respectively.
  • Such a device is known for example from CH-PS 630 583 or the corresponding US-PS 4,320,894.
  • each printed product lies on the following one.
  • the leading edges of the printed products are thus covered by the leading printed product.
  • the conveying device transports the printed products essentially in the horizontal direction, while the conveying direction of the conveyor in the takeover area runs from bottom to top.
  • the away conveyor has individually controllable grippers arranged on a pulling element, which grip the printed products supplied by the feed conveyor at the leading edges in the takeover area and lift them upwards from the scale formation.
  • the scale formation is thus peeled off.
  • the conveying speed of the conveyor is half the conveying speed of the conveying device, then two printed products come one above the other into the engagement of a gripper, so that two superimposed printed products are lifted off each other.
  • this known device in the case of supplied scale formations, in which a single one is formed The printed product rests on the next one, each individual printed product is gripped by a gripper and peeled off from the scale formation, or two printed products are pushed over each other, so that each gripper grips two stacked printed products and conveys them away.
  • the printed products are conveyed with their leading edges against a stop, and the uppermost printed product at the stop is bulged in an area of the leading or trailing edge.
  • scale formations can be processed, in which the leading edges of the printed products are covered by the preceding printed product, and in which the printed products are arranged irregularly or two or more printed products are superimposed on each other.
  • printed products are processed, which are supplied to the takeover area in spaced-apart packages each consisting of a plurality of printed products lying one above the other.
  • the area in which the bulging is to take place is preferably predetermined or predefined for the printed products. This is preferably done by appropriately bulging the printed products according to claim 3 or with a device according to one of claims 22 to 24. If the printed products, before they are conveyed to the takeover area, by a roll on which they are under tension together with one Wrapping tape are wound up, can be unwound, the different pressing of the printed products in the area of the wrapping tape and outside of this wrapping tape in the printed products can predetermine or impress the area in which the subsequent bulging takes place.
  • the device shown in FIGS. 1 to 6 has a conveying device 10 for feeding printed products 12 to a takeover area 14, a stop 16 provided in the takeover area 14 and a bulging device 18 also arranged in the takeover area 14, and a feed device 10 downstream of the conveying device 10 as seen in the conveying direction F. Conveyor 20 on.
  • the bulging device 18 is not shown in FIGS. 2 to 4 and 6.
  • the conveyor device 10 is designed as a belt conveyor and has three conveyor belts 22, 22 ', which are driven in parallel and mutually parallel in the conveying direction F and laterally spaced apart. These conveyor belts 22, 22 'are guided at the beginning and at the end of the conveying section of the conveying device 10 by deflecting rollers 26, 26' seated on common shafts 24.
  • the bearing plates for the shaft 24 are designated 28 in FIG. 1. In the figures, the initial area of the route which is effective for the conveyance is not shown.
  • the drive of the conveyor 10 takes place in a known manner via a chain drive, not shown in the figures.
  • the diameter of the two lateral deflecting rollers 26 ' is smaller than the diameter of the deflecting roller 26 seated in the middle on the shaft 24.
  • the printed products 12 are arranged in a scale formation S, in which two printed products 12 are congruent one above the other on a roof tile-like on a pair of also congruent printed products 12, so that the leading edges 32 of the printed products 12 are each covered by the leading printed product 12.
  • the stop 16 is fork-shaped and engages around the middle conveyor belt 22 from below.
  • the stop 16 is from a stop position shown in FIGS. 1 to 3 and 5, in which it extends over the load-bearing strand of the middle conveyor belt 22 protrudes into a rest position shown in FIG. 4 and designated 16 ', in which its free end is arranged below the conveying section of the conveyor belt 22, and can be brought back again.
  • the bulging device 18 arranged in the take-over area 14 has, viewed in the conveying direction F, a stop element 38 arranged in the area of the right side edges 36 of the printed products 12 and a lifting and sliding element 40, 42 provided in the area of the left side edges 36 'of the printed products 12, as shown in Figures 1 and 5.
  • the stop element 38 has an angle profile piece fastened to the relevant end shield 28, the longitudinal axis of which runs parallel to the conveying direction F and on whose leg extending in the vertical direction the printed product 12 'which is respectively detected by the slide element 42' comes to rest with its right side edge 36.
  • the lifting element 40 is designed as a suction bell that can be periodically connected to a vacuum source (not shown) and can be raised and lowered in the vertical direction by means of a drive arrangement (also not shown) (double arrow A).
  • the slide element 42 can be displaced back and forth against the stop element 38 in the horizontal direction and at right angles to the conveying direction F by means of its further cylinder-piston unit 44 only shown in FIG. 5 (double arrow B).
  • FIGS. 8 to 11 The mode of operation of the lifting element 40 and slide element 42 is shown enlarged in FIGS. 8 to 11. The same parts are provided with the same reference numerals as in Figures 1 and 5.
  • the lifting element 40 is lowered from above in the direction of arrow A to the uppermost printing product 12 at the stop 16 'in the region of its left side edge 36' and connected to the vacuum source. During the subsequent lifting of the lifting element 40, this printed product 12 'is taken along in the region of the side edge 36' (FIG. 8).
  • the slide element 42 is in its 42 'designated rest position.
  • the cross-sectionally slider element 42 is applied by means of the further cylinder-piston unit 44 in the direction of arrow B to the side edge 36 'of the raised printed product 12' and the lifting element 40 is uncoupled from the vacuum source.
  • the slide element 42 By moving the slide element 42 in the direction against the stop element 38, the printed product 12 'comes to rest with its right side edge 36 on the starting element 38 and is thereby bulged in the central region along the arch line 30 (compare in particular FIGS. 1, 5 and 10).
  • the conveyor 20 has, seen in the direction of conveyance F, a belt conveyor 21 downstream of the conveying device 10 and a pressing arrangement 46 arranged in the take-over area 14 above the printed products 12 supplied.
  • the four parallel conveyor belts 48, 48 'of the belt conveyor 21 are guided in a known manner at the beginning and at the end of deflection rollers, only the beginning area being shown in FIGS. 1 to 4 and 6.
  • These deflecting rollers are denoted by 50, 50 'and sit on a rotary shaft 52 which is arranged on a rocker 54 pivotally mounted in the end region of the belt conveyor 21.
  • the rocker 54 is shown in its upper end position and in Figure 4 in its lower end position in the direction of arrow C.
  • the right-hand conveyor belt 48 'seen in the direction of conveyance F' of the two middle conveyor belts 48, 48 ' is arranged in that area in which the greatest bulge of the printed product 12 bulged by means of the bulge device 18' takes place. This is approximately in the middle between the stop element 38 and the slide element 42 of the arching device 18 which is extended fully in the direction toward the stop element 38.
  • This conveyor belt 48 ' runs with its, with respect to the deflection roller 50' upper run, S-shaped around two deflection rollers 56, 58 which are mounted on a carriage which is not shown for the sake of clarity and can be freely rotated in the direction of arrow D by means of a piston-cylinder drive arrangement 60.
  • the carriage is in a fetched position 58 ', in which the guide roller 58 is seen in the conveying direction F upstream of the stop 16, and in Figure 4, the slide is retracted to its rest position designated 58 ⁇ , in which the deflection roller 58 the deflection rollers 26, 26 'of the conveyor 10, seen in the direction of conveyance F, is located downstream and is approximately at the same height as the conveyor-effective strand of the central conveyor belt 22 of the conveyor 10 when the frame 54 is lowered (arrow C).
  • the pressing arrangement 46 is also designed as a belt conveyor, the single conveyor belt 64 is located above the conveyor belt 48 'when the carriage is in the transport and retrieval positions 58, 58'.
  • the conveyor belt 64 is guided around two deflection rollers 66, 66 ', which, seen in the conveying direction F, the deflection roller 66 upstream of the deflection roller 66' is pivotally mounted about the axis of rotation 68 of the deflection roller 66 in the form of a weight lever.
  • the conveyor belt 64 and the conveyor belt 48 ' limit in the transport position 58 and fetch position 58' located carriage a conveyor gap 70 for the conveying away printed products 12, 12 '.
  • the pressing arrangement 46 is in the lower position in FIGS. 1-3 and 5, in which the lower, conveyor-effective strand of the conveyor belt 64 abuts on the printed products 12, 12 ', and shown in FIG. 4 in the upper position, in which the pressing arrangement 46 is lifted off the printed products 12.
  • the printed products 12 are arranged in a scale formation S', in which each printed product 12, seen in the conveying direction F, rests on the subsequent printed product 12, so that each leading edge 32 is covered by the preceding printed product 12.
  • the supplied scale formation S shown in FIG. 4 corresponds to the scale formation S '.
  • the device shown in Figures 1-3, 5 and 6 operates as follows.
  • the printed products 12 are bulged.
  • two congruent superimposed printed products 12 are conveyed against the stop 16 where they strike with their leading edges 32.
  • the upper printed product 12 'of these two printing products 12, 12 adjacent to the stop 16' is completely arched by means of the bulging device 18 in the region of the bulge, as described in detail above.
  • the deflection roller 58 is in its transport position (see in particular FIG. 2). When the printed product 12 bulges, this is applied with the curved area of the leading edge 32 from below to the leading printed product 12 already detected by the conveyor 20.
  • the two deflection rollers 56, 58 are withdrawn into the rest position designated 58 ⁇ (FIG. 4), the conveyor 20 is lowered and the Stop 16 in the rest position 16 'spent; the pressure arrangement 46 comes to rest on a stop (not shown) in its lower end position and is therefore no longer on the printed products 12.
  • the mutual position of the printed products 12 is not changed, so that the scale formation S 'carried away corresponds to the supplied scale formation S.
  • FIG. 7 corresponds to the view according to FIG. 5, but the conveyor device for bulging the supplied printed products 12 is constructed differently.
  • the conveyor 10 shown in Figure 7 also has 3 substantially parallel to each other rotating conveyor belts 22, 22 ', but the load-bearing strands of the two lateral conveyor belts 22' are seen to drop laterally in the conveying direction F.
  • the printed products 12 arranged in this way on the three conveyor belts 22, 22 ' are thus arched in the manner of a gable roof, with the line of curvature 30 being in the region of the central conveyor belt 22.
  • the bulging device 18 is essentially of the same design, as described above and is shown in detail in FIGS. 1, 5 and 8 to 11.
  • the stop element 38 extends with its side flank at right angles to the conveyor-effective strand of the conveyor belt 22 'seen in the conveying direction F', the direction of movement of the lifting element 40 extends perpendicular to the load-bearing strand of the conveyor belt 22 'seen in the conveying direction F' and the slide element 42 is moved by means of the cylinder-piston unit 44 in a direction parallel to this load-bearing strand.
  • the bulging by means of the bulging device 18 printed product 12 ' is brought into contact with the central region of the leading edge 32 on the pressing arrangement 46 or on the leading printed product 12, underpinned by the conveyor belt 48' and conveyed away (see FIGS. 1 to 3).
  • the stop 16 is configured in the same way as in the embodiment of the conveyor 10 according to FIGS. 1 and 5 and comprises the central conveyor belt 22 from below.
  • the device shown in FIG. 12 is identical to the device shown in FIGS. 1 to 6, it will therefore not be described in more detail.
  • the arranged on the conveyor belts 22, 22 'of the conveyor 10 are printed products 12 in a scale formation S, in which each printed product 12 rests on the trailing printed product 12 and wherein each printed product 12 almost completely overlaps the adjacent printed product 12 in the conveying direction F against the stop 16 funded.
  • This scale formation S has the form of a scale buffer stack.
  • the foremost printing product 12 'with its leading edge 32 against the stop 16' of this scale buffer stack is arched by means of the bulging device 18 not shown in this figure (see FIGS.
  • the device shown in FIG. 13 corresponds essentially to the device according to FIG. 12, but with the conveyor device 10 having two partial conveyors 10 'and 10.
  • the conveyor belts 22 ⁇ of the first partial conveyor 10 ' are seen in a direction in the conveying direction F the takeover area 14 upstream area around deflection rollers 72, which sit on a shaft 74. On this shaft 74 there are further deflection rollers, not visible in FIG. 13, around which the conveyor belts 22, 22 'of the second partial conveyor 10' are guided.
  • These conveyor belts 22, 22 ' are guided in an analogous manner, as shown in Figure 1 or 12, in the takeover area 14 around the deflection rollers 26, 26'.
  • first partial conveyor 10 ' are the printed products 12 in a scale formation S, in which they form a scale buffer stack similar to Figure 12.
  • the printed products 12 of this scale buffer stack reach the area of the second partial conveyor 10 ⁇ , these are accelerated and the mutual overlap of two adjacent printed products 12 is reduced, since the conveying speed of the second partial conveyor 10 ⁇ is greater than the conveying speed of the first partial conveyor 10 '.
  • the on the conveyor belts 22, 22 'of the second partial conveyor 10 ⁇ arranged printed products 12 of the scale buffer stack are bulged and conveyed with their leading edges 32 against the stop 16.
  • a scale formation S ' is formed from the printed products 12 supplied in the form of a scale buffer stack, in which each printed product 12 rests on the next one and which has a precisely defined overlap or a precisely specified distance between the leading edges 32 of two adjacent printed products 12 .
  • the printed products 12 are in a scale formation S, in each of which two printed products 12 Lie congruently one above the other on two superimposed subsequent printing products 12, conveyed in the conveying direction F against the takeover area 14.
  • the lying on the conveyor belts 22, 22 'printed products 12 are bulged and conveyed with their leading edges 32 against the stop 16.
  • the respective uppermost at the stop 16 and bulging printed product 12 ' is bulged by means of the bulging device 18, not shown in this figure.
  • the grippers 78 fed to the take-over area 14 in their open position comprise with their gripper jaws 82 this bulging printed product 12 'in the region of the bulge of the leading edge 32.
  • the gripper jaws 82 are transferred into the clamping position, so that each gripper 78 now has a single printed product Holding 12, this takes it away.
  • the device shown only in view according to FIG. 15 is constructed similarly to the device according to FIG. 14.
  • the two deflecting rollers 26 ' are for the two external conveyor belts 22' and between these two deflecting rollers 26 for two conveyor belts 22 running parallel to each other.
  • the diameter of the deflecting rollers 26 is larger than the diameter of the deflecting rollers 26 '.
  • a deflecting wheel 86 for a similar conveyor 74, as shown in FIG. 14.
  • the traction element 76 is guided around this deflection wheel 86 and likewise has individually controllable grippers 78 arranged one behind the other.
  • Printed products 12 each have a lifting element 40 and a slide element 42.
  • the lifting elements 40 are of the same design as in the devices according to FIGS. 1 to 11.
  • the slide elements 42 can each be pivoted in the direction of the double arrow E about an axis running parallel to the conveying direction F.
  • the lying on the conveyor belts 22, 22 'printed products 12 are conveyed with their leading edges 32 against the stop 16 held by the cylinder-piston unit 34 in the stop position and bulged.
  • the uppermost printing product 12 in contact with the stop 16 is raised by means of the lifting elements 40 in the region of the side edges 36, 36 'and undercut by the pivoted-apart slide elements 42 in the region of the side edges 36, 36'.
  • By subsequently lifting the lifting elements 40 they release the printed product 12 ', which is then completely arched by subsequently pivoting the two slide elements 42 against one another.
  • the pressure-ripe product 12 which bulges in the central area in this way, is gripped and conveyed away by a gripper 78 of the conveyor 74 in the area of the leading edge 32.
  • the slide elements 42 are pivoted apart in order to grasp the next printing product 12 'coming up against the stop 16 and to be lifted by the lifting elements 40' and then bulging.
  • FIG. 1 A further embodiment of the arching device 18 is shown schematically in FIG. This also has a side stop element 38, a lifting element 40 and a slide element 42.
  • the lifting element 40 is in turn designed as a suction element that can be connected to a vacuum source and can be raised or lowered in the direction of the double arrow A.
  • the slide element 42 can be pivoted in the direction of the arrow G about an axis (not shown) which runs essentially perpendicular.
  • the printed products 12 are fed to the takeover area 14 in the conveying direction F in a scale formation S, in which two printed products 12 lying congruently one above the other lie on the subsequent printed products 12.
  • the printing products 12 come to rest with their leading edges 32 at the stop 16.
  • the uppermost printing product 12 lying against the stop 16 ' is raised in the region of its left side edge 36' and trailing edge 32 'by means of the lifting element 40 and undercut in the region of this side edge 36' by the slide element 42.
  • the slide element 42 By pivoting the slide element 42 clockwise, the right side edge 36 seen in the direction of conveyance F is pressed against the stop element 38 and the printed product 12 'bulges, the bulging in the area of the leading edge 32 being greater than in the area of the trailing edge as a result of the pivoting movement of the slide element 42 32 ′.
  • the bulging printed product 12 ' can now be detected in the area of the leading edge 32 by a conveyor 20 and 74 and transported away (see. Fig. 1 to 7 and 14, 15).
  • a further embodiment of the bulging device 18 is shown in simplified form in FIG. This can be used in particular for bulging thick printed products 12 such as newspapers or magazines.
  • the respective upper printed product 12 ' is captured by slide element 42 on its side edge 36' and pressed in direction B against the other side edge, not shown in this figure.
  • the slider element 42 has a tongue 88 projecting in the direction against the printed products 12, 12 ', which comes to rest on the top of the respective curved printed product 12'. By means of this tongue 88 it is ensured that the non-bulging printed products 12, 12 'bulge in the central region between the two side edges 36, 36'.
  • the device according to FIG. 18 also has a conveyor device 10 designed as a belt conveyor.
  • the printed products 12 rest on the conveyor belts 22 in a scale formation S, in which two printed products 12 lying congruently one above the other lie on a pair of trailing printed products 12.
  • the stop 16 is provided, against which the printed products 12 are conveyed with their leading edges 32.
  • the bulging device 18, which is also provided in the take-over area 14, is constructed similarly to the bulging device shown in FIG. 16 and described above. It also has one provided in the area of the right side edges 36 of the printed products 12, as seen in the conveying direction F Stop element 38 on.
  • the individually controllable grippers 78 are constructed in the same way and can be controlled in the same way as the grippers 78 according to FIGS. 14 and 15.
  • the uppermost printed product 12 lying against the stop 16 ' is raised by means of the lifting element 40 in the rear region of the left side edge 36' and gripped by the slide element 42.
  • the slide element 42 By pivoting this slide element 42 counterclockwise, the printed product 12 'is pressed with its right side edge 36 against the stop element 38 and bulged in the central region of the trailing edge 32'. In the area of this bulge, the printed product 12 'is gripped by a gripper 78 and guided away in the conveying direction F'.
  • the device shown in FIGS. 19 to 22 has a similar conveying device 10 as is already known from FIG. 7.
  • This has three conveyor belts 22 driven in rotation in the conveying direction F, 22 ', which are guided in a known manner at the beginning and at the end of the conveyor-effective route around deflection rollers 26, 26', of which only those in the takeover area 14 provided at the end of the conveyor-effective route are shown.
  • the conveying strands of the side conveyor belts 22 ' run laterally sloping with respect to the conveying strands of the middle conveyor belt 22, so that the printed products 12 resting on these conveyor belts 22, 22' run along the conveying direction F and in the area of the middle conveyor belt 22 and curve line 30 shown in dash-dotted lines are bulged (FIG. 19).
  • the conveyor belts 22, 22 ' is followed by the stop 16, which protrudes into the conveying path of the conveyor 10 from below in a fork shape.
  • a support plate 90 is provided in order to guide the leading edges 32 of the printed products 12 running from the conveyor belts 22, 22' against the stop 16 (FIGS. 21 and 22).
  • the arranged on the conveyor belts 22, 22 'of the conveyor 10 printed products 12 are provided in a scale formation S, in which two congruent superimposed printed products 12 rest on a pair of subsequent printed products 12 in a scale.
  • a lifting element 92 is provided for lifting the uppermost printed product 12 in each case at the stop 16 and a bulging element 94 is provided for the finished formation of the bulge on the raised printed product 12 '.
  • the lifting element 92 is designed like a suction cup and by means of a valve and drive arrangement 96 alternately connectable and ventilatable with a vacuum source and movable in an approximately triangular path, as shown schematically in FIG.
  • a valve and drive arrangement 96 are known from CH-PS 626 589 and the corresponding US-PS 4,279,412.
  • the valve and drive arrangement 96 is not shown in FIG. 19 and the printed products 12 to be removed are indicated by dash-dotted lines and are assumed to be transparent.
  • the arching element 94 has a three-armed star wheel 98 which is seated in a rotationally fixed manner on a rotating shaft 100 which runs in the horizontal direction and at right angles to the conveying direction F.
  • the rotary shaft 100 and thus the star wheel 98 are driven in such a way that the cantilevers 102 of the star wheel 98 move in the course of the rotation from bottom to top against the supplied printed products 12.
  • At the free end of each arm 102 there is a non-rotatable cylindrical driver element 104, for example made of hard rubber, the longitudinal axis of which extends parallel to the rotating shaft 100.
  • the bulging element 94 is arranged such that in each case a driver element 104 engages under the printed product 12 'raised by means of the lifting element 92'.
  • a conveyor 106 is connected downstream of the conveyor device 10 and has two belt conveyors 108, 110 arranged one above the other, which delimit a common conveyor gap 112.
  • the starting area of the lower belt conveyor 108 is provided where the driver elements 104 reach their highest point in the course of the rotation of the star wheel 98 to reach.
  • the deflecting roller 114 provided in the initial region of the upper belt conveyor 110 is seen upstream of the arching element 94 in the direction of conveyance F, so that the lower, effective conveyor strand of this belt conveyor 108 covers the transfer area 14 from the deflecting roller 114 via the lifting and arching element 92, 94 to the upper conveying element Run of the lower belt conveyor 108.
  • the respective driver elements 104 slightly raise the region of the conveyor-effective run of the upper belt conveyor 110 between the deflection roller 114 and the lower belt conveyor 108.
  • the device shown in Figures 19 to 22 operates as follows: The lifting element 92 is lowered onto the uppermost printed product 12 lying against the stop 16, as is indicated by dash-dotted lines and indicated by the corresponding arrow in FIG. 22. The lifting element 92 is pressed against the printed product 12 resting on the support plate 90 'in the region of its leading edges 32 and connected to the vacuum source. Thereafter, the lifting element 92 is moved upward in the direction of the arrow by means of the valve and drive arrangement 96, with the result that the detected printed product 12 'is lifted off from the support plate 90 or from another printed product 12 arranged thereon.
  • a driver element 104 arranged on a cantilever 102 engages under the raised printed product 12 'and takes it with it, while the lifting element 92 is ventilated by means of the valve and drive arrangement 96 and is removed in the direction of the arrow from the raised compressed product 12'. Because the driver elements 104 are attached to the arms 102 in a rotationally fixed manner, the undercut printed product 12 'is raised further and taken along in the conveying direction F, so that this comes to rest with the upper side on the underside of the leading printed product 12 or on the conveying strand of the upper belt conveyor 110.
  • the printed product 12 thus clamped between the driver element 104 and the leading printing product 12 or the upper belt conveyor 110 is introduced into the conveying gap 112 by means of the driving element 104 with the leading edge 32 ahead. Since the respective driving element 104 lifts off the conveyor-effective strand of the upper belt conveyor 110 in the initial region of the conveyor gap 112, the conveyor gap 112 is widened in the mouth region, which enables the leading edge 32 to be inserted without problems.
  • the one printed product 12 is being introduced into the conveying column 112
  • the next printed product 12 'resting on the stop 16 has already been raised by means of the lifting element 92, which is next underpinned by another driver element 104 in an analogous manner, as can be seen in particular in FIG. 21 .
  • the next two superimposed printed products 12 are conveyed further against the stop 16.
  • the removal conveyor is preferably designed in the manner shown in FIGS. 1 to 15 and 18. It is also possible that the printed products are not bulged in the middle region of the leading or trailing edge, but that the bulging is carried out in the region of the side edges.
  • a bulging device which has only one lifting element, by means of which the printing product in question is raised and pressed with the raised side edge in the direction against the other side edge becomes.
  • the bulging preferably takes place in the area of the fold, since in this area the printed product parts cannot separate from one another.
  • the lifting element is designed to be pivotable in order to bulge the respectively raised printed product 12 'by pivoting about a preferably horizontal axis.
  • the printed products can be conveyed away individually, without mutual overlap.
  • the device according to the invention can also be used as a so-called cycle in order to further convey the supplied printed products in a certain cycle.
  • the printed products 12 supplied can, for example, be bulged toward the bottom in a V-shape. When bulging a printed product 12 'against At the top, this can prevent the following printed product 12 from being carried along, for example due to adhesion.

Claims (36)

  1. Procédé pour délivrer des articles d'imprimerie, dans lequel les articles (12) d'imprimerie sont acheminés vers une zone (14) de transfert, au moyen d'un dispositif convoyeur (10, 10"), de façon continue et dans une formation, dans laquelle des articles (12) d'imprimerie sont posés les uns sur les autres de manière à se recouvrir entièrement ou partiellement, dans le sens (F) de l'avance, et dans laquelle, dans le cas d'un recouvrement partiel, les bords avant (32) des articles (12) d'imprimerie sont recouverts par l'article (12) d'imprimerie précédent correspondant, procédé dans lequel ils sont saisis, dans cette zone, par un convoyeur (20, 74, 106) d'enlèvement et sont enlevés,
    caractérisé en ce que les bords avant (32) des articles (12) d'imprimerie sont amenés contre une butée (16) prévue dans la zone (14) de transfert, et en ce que l'article (12') d'imprimerie le plus haut placé, situé en butée contre la butée (16), se trouve bombé vers le haut au niveau d'une partie de cet article, de préférence au niveau de la partie médiane du bord avant ou du bord arrière (32, 32'), en vue du levage de façon individuelle d'une zone de l'article au-dessus de l'article d'imprimerie sous-jacent (12), voire au-dessus du dispositif convoyeur (10, 10"), et est saisi dans cette zone par le convoyeur (20, 74, 106) d'enlèvement pour être enlevé.
  2. Procédé selon la revendication 1, caractérisé en ce que les articles (12) d'imprimerie sont préformés avec une zone bombée vers le haut.
  3. Procédé selon la revendication 2, caractérisé en ce que les articles (12) d'imprimerie sont préformés, avant le pliage vers le haut, avec un bombement en forme de toit en selle, selon une ligne (30) de bombement s'étendant essentiellement dans le sens (F) de l'avance et de préférence dans la zone médiane de l'article.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'article (12') d'imprimerie le plus haut placé, étant en appui contre la butée (16), est bombé vers le haut grâce au rapprochement réciproque des deux bords latéraux (36, 36').
  5. Procédé selon la revendication 4, caractérisé en ce que l'article (12') d'imprimerie est soulevé, afin d'être bombé vers le haut, au moins au niveau de l'un (36') des bords latéraux, et en ce que ce bord latéral (36') est repoussé, au moyen d'un élément poussoir (42), en direction de l'autre bord latéral (36).
  6. Procédé selon la revendication 5, caractérisé en ce que l'article (12') d'imprimerie est soulevé au niveau de l'un (36') des bords latéraux, est pris par en dessous par l'élément poussoir (42), et est repoussé, à l'aide de cet élément, de manière à appuyer son autre bord latéral (36) contre un élément (38) de butée et à être bombé vers le haut.
  7. Procédé selon la revendication 5, caractérisé en ce que l'article (12') d'imprimerie est soulevé au niveau des deux bords latéraux (36, 36'), est pris par en dessous par des éléments poussoirs (42) coulissants l'un vers l'autre, et est bombé vers le haut grâce à la réduction de l'écartement réciproque des éléments poussoirs (42).
  8. Procédé selon l'une des revendications 4 à 7, caractérisé en ce que l'un (36') au moins des bords latéraux est plié, éventuellement au moyen de l'élément poussoir (42) correspondant, autour d'un axe s'étendant essentiellement verticalement, en direction de l'autre bord latéral (36).
  9. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'article (12') d'imprimerie le plus haut placé, s'appuyant sur la butée (16), est bombé grâce au levage de la zone à bomber vers le haut.
  10. Procédé selon la revendication 9, caractérisé en ce que l'article (12') d'imprimerie est saisi et soulevé, dans la zone du bombement prévu, par un organe (94) de bombement.
  11. Procédé selon la revendication 10, caractérisé en ce que l'article (12') d'imprimerie est soulevé légèrement dans la zone du bombement prévu, au moyen d'un organe (92) de levage, de préférence au moyen d'une tête aspirante, et est ensuite saisi par en dessous par l'organe (94) de bombement, de préférence par une roue-étoile (98) entraînée en rotation, en vue du parachèvement du bombement.
  12. Procédé selon l'une des revendications 1 à 11, caractérisé en ce que l'article d'imprimerie bombé (12') est saisi, au niveau des bords avant ou arrière (32, 32'), par un grappin (78) du convoyeur (74) d'enlèvement, grappin pouvant être commandé individuellement, disposé sur un organe (76) de traction entraîné en circulation, et est enlevé.
  13. Procédé selon l'une des revendications 1 à 11, caractérisé en ce que l'article d'imprimerie bombé (12') est introduit, le cas échéant au moyen de l'organe (94) de bombement, par son bord avant (32), dans la fente de transport (112) formée entre un convoyeur (108) à bande et un dispositif (106) de serrage du convoyeur (106) d'enlèvement, de préférence un autre convoyeur à bande.
  14. Procédé selon l'une des revendications 1 à 11, caractérisé en ce qu'afin d'introduire l'article d'imprimerie bombé (12'), le bord avant (32) de l'article vers l'avant, dans la fente (70) de transport formée entre un convoyeur (48') à bande et un dispositif (46) de serrage du convoyeur (20) d'enlèvement agencé au-dessus de ce convoyeur, de préférence un autre convoyeur à bande, l'article est saisi par en dessous, par le convoyeur inférieur (48') à bande pouvant être déployé de façon télescopique en direction du dispositif convoyeur (10).
  15. Procédé selon l'une des revendications 13 ou 14, caractérisé en ce que le bord avant (32) de l'article (12') d'imprimerie à introduire dans la fente (70) de transport est placé au contact de la face inférieure de l'article d'imprimerie précédent (12).
  16. Procédé selon l'une des revendications 1 à 15, caractérisé en ce que les articles (12) d'imprimerie sont acheminés en formation d'écailles (S).
  17. Procédé selon la revendication 16, caractérisé en ce que deux articles (12) d'imprimerie sont respectivement acheminés vers la zone (14) de transfert, en étant superposés selon une formation d'écailles (S) et en se recouvrant totalement.
  18. Procédé selon l'une des revendications 1 à 15, caractérisé en ce que les articles (12) d'imprimerie sont acheminés sous forme d'une pile couchée, de préférence sous forme d'une pile tampon en écailles, dans laquelle les bords avant (32) au moins des articles (12) d'imprimerie, qui sont les plus avancés dans le sens (F) de l'avance, sont recouverts par l'article d'imprimerie précédent correspondant (12).
  19. Procédé selon la revendication 18, caractérisé en ce que le recouvrement réciproque des articles (12) d'imprimerie qui, dans le sens (F) de l'avance, se situent à l'avant de la pile, est réduit en amont de la zone (14) de transfert.
  20. Procédé selon l'une des revendications 1 à 19, caractérisé en ce que les articles (12) d'imprimerie sont enlevés de façon cyclique synchronisée au moyen du convoyeur (10, 74, 106) d'enlèvement.
  21. Dispositif permettant le transport d'articles d'imprimerie, comprenant un dispositif convoyeur (10, 10") permettant l'acheminement continu des articles (12) d'imprimerie vers une zone (14) de transfert, dans une formation, dans laquelle des articles (12) d'imprimerie sont posés les uns sur les autres de manière à se recouvrir entièrement ou partiellement, dans le sens (F) de l'avance, et dans laquelle, dans le cas d'un recouvrement partiel, les bords avant (32) des articles (12) d'imprimerie sont recouverts par l'article (12) d'imprimerie précédent correspondant, et comprenant un convoyeur (20, 74, 106) d'enlèvement destiné à reprendre et à réacheminer les articles (12) d'imprimerie,
    caractérisé par une butée (16) faisant saillie dans le chemin de transport du dispositif convoyeur (10, 10"), au niveau de la zone (14) de transfert, butée contre laquelle sont amenés les bords avant (32) des articles (12) d'imprimerie, et par un dispositif (18, 94) de bombement permettant de bomber vers le haut, de façon individuelle, l'article (12') d'imprimerie le plus haut placé, en appui sur la butée (16), l'article étant bombé au niveau d'une zone destinée à être saisie par le convoyeur (20, 74, 106) d'enlèvement, de préférence au niveau de la zone médiane des bords avant ou arrière (32, 32'), l'article d'imprimerie concerné (12) étant soulevé en partie, lors du bombement, par rapport à l'article d'imprimerie sous-jacent (12), voire par rapport au dispositif convoyeur (10).
  22. Dispositif selon la revendication 21, caractérisé par un dispositif (22, 22') de bombement installé en amont de la zone (14) de transfert, permettant le bombement préalable en forme de toit en selle des articles (12) d'imprimerie selon une ligne (30) de bombement s'étendant essentiellement dans le sens (F) de l'avance et de préférence dans la zone médiane de l'article.
  23. Dispositif selon la revendication 22, caractérisé en ce que le dispositif convoyeur (10, 10") comporte, au niveau du dispositif de bombement préalable, un convoyeur à bande entraîné en circulation, comprenant au moins deux bandes (22, 22') de convoyeur s'étendant essentiellement parallèlement l'une à l'autre, le brin porteur de la bande de convoyeur (22) prévue au niveau de la ligne (30) de bombement s'étendant au-dessus du brin porteur de l'autre bande de convoyeur (22') au moins au niveau de la zone (14) de transfert.
  24. Dispositif selon la revendication 22, caractérisé en ce que le dispositif convoyeur (10) comporte, au niveau du dispositif de bombement préalable, un convoyeur à bande entraîné en circulation, comprenant au moins deux bandes (22') de convoyeur s'étendant essentiellement parallèlement l'une à l'autre, les brins porteurs des bandes (22') de convoyeur étant agencés de façon inclinée latéralement vers le bas, dans le sens (F) de l'avance, au moins au niveau de la zone (14) de transfert.
  25. Dispositif selon l'une des revendications 21 à 24, caractérisé en ce que le dispositif (18) de bombement comporte un dispositif poussoir (38, 42) permettant de repousser l'un contre l'autre les bords latéraux (36, 36') de l'article (12') d'imprimerie à bomber.
  26. Dispositif selon la revendication 25, caractérisé en ce que le dispositif (18) de bombement comporte au moins un élément (40) de levage destiné à soulever l'article (12') d'imprimerie à bomber au moins au niveau de l'un (36') des bords latéraux, et en ce que le dispositif poussoir comporte au moins un élément poussoir (42) destiné à pousser le bord latéral soulevé (36') en direction de l'autre bord latéral (36).
  27. Dispositif selon la revendication 26, caractérisé en ce qu'un élément de levage (40) est prévu, permettant de soulever l'article (12') d'imprimerie au niveau de l'un (36') des bords latéraux, ainsi qu'un élément poussoir (42) destiné à saisir par en dessous la partie soulevée et à repousser l'autre bord latéral (36) de l'article (12') d'imprimerie contre un élément (38) de butée.
  28. Dispositif selon la revendication 26, caractérisé en ce que deux éléments (40) de levage permettant de soulever l'article (12') d'imprimerie au niveau des bords latéraux (36, 36') sont prévus, ainsi que deux éléments poussoirs (42), dont l'écartement réciproque est variable, destinés à saisir par en dessous respectivement une partie soulevée et à repousser les bords latéraux (36, 36') l'un contre l'autre.
  29. Dispositif selon l'une des revendications 26 à 28, caractérisé en ce qu'un élément poussoir (42) au moins peut pivoter autour d'un axe essentiellement vertical.
  30. Dispositif selon l'une des revendications 21 à 24, caractérisé en ce que le dispositif de bombement comporte un organe (94) de bombement pouvant être positionné et mis en action sur l'article (12') d'imprimerie au niveau du bombement prévu, destiné à soulever l'article (12') d'imprimerie et à réaliser le bombement.
  31. Dispositif selon la revendication 30, caractérisé en ce que le dispositif de bombement comporte un organe (92) de levage, de préférence une tête aspirante, permettant un levage léger de l'article (12') d'imprimerie au niveau du bombement prévu, et en ce que l'organe (94) de bombement, de préférence une roue-étoile (98) entraînée en rotation, saisit l'article (12') d'imprimerie par en dessous, au niveau de la zone soulevée, afin de parachever le bombement.
  32. Dispositif selon l'une des revendications 21 à 31, caractérisé en ce que le convoyeur (74) d'enlèvement comporte des grappins (78) disposés les uns derrière les autres sur un organe (76) de traction entraîné en circulation, grappins pouvant être commandés individuellement, destinés à saisir les articles (12') d'imprimerie au niveau du bord avant ou du bord arrière relevé (32, 32').
  33. Dispositif selon l'une des revendications 21 à 31, caractérisé en ce que le convoyeur (106) d'enlèvement comprend un convoyeur (108) à bande et un dispositif (110) de serrage, de préférence un autre convoyeur à bande, et en ce que les articles (12') d'imprimerie sont introduits, le cas échéant au moyen de l'organe (92) de bombement, leur bord avant (32) tourné vers l'avant, dans la fente (112) de transport formée entre le convoyeur (108) à bande et le dispositif (110) de serrage.
  34. Dispositif selon l'une des revendications 21 à 31, caractérisé en ce que le convoyeur (20) d'enlèvement comporte un convoyeur (48, 48') à bande et un dispositif (46) de serrage disposé au-dessus de celui-ci, de préférence un autre convoyeur (64) à bande, et en ce que le convoyeur (48') à bande peut être déployé de façon télescopique en direction du dispositif convoyeur (10, 10"), en vue de saisir par en dessous l'article d'imprimerie correspondant (12') bombé vers le haut.
  35. Dispositif selon la revendication 21, caractérisé en ce que la butée (16) peut être déployée hors du chemin de transport.
  36. Dispositif selon l'une des revendications 26 à 28 ou 31, caractérisé en ce que des moyens sont prévus pour interrompre temporairement l'action de l'élément (40) de levage, voire de l'organe (94) de levage, sur l'article (12') d'imprimerie le plus haut placé, situé en butée sur la butée (16).
EP89118844A 1988-11-11 1989-10-11 Procédé et dispositif pour délivrer des articles d'imprimerie Expired - Lifetime EP0368009B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89118844T ATE90648T1 (de) 1988-11-11 1989-10-11 Verfahren und vorrichtung zum foerdern von druckereiprodukten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH420288 1988-11-11
CH4202/88 1988-11-11

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EP0368009A1 EP0368009A1 (fr) 1990-05-16
EP0368009B1 true EP0368009B1 (fr) 1993-06-16

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US (1) US5042792A (fr)
EP (1) EP0368009B1 (fr)
JP (1) JP2736137B2 (fr)
AT (1) ATE90648T1 (fr)
CA (1) CA2002720A1 (fr)
DE (1) DE58904720D1 (fr)

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Also Published As

Publication number Publication date
ATE90648T1 (de) 1993-07-15
CA2002720A1 (fr) 1990-05-11
DE58904720D1 (de) 1993-07-22
EP0368009A1 (fr) 1990-05-16
JPH02178161A (ja) 1990-07-11
US5042792A (en) 1991-08-27
JP2736137B2 (ja) 1998-04-02

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