EP0515945B1 - Dispositif de pliage - Google Patents

Dispositif de pliage Download PDF

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Publication number
EP0515945B1
EP0515945B1 EP92108387A EP92108387A EP0515945B1 EP 0515945 B1 EP0515945 B1 EP 0515945B1 EP 92108387 A EP92108387 A EP 92108387A EP 92108387 A EP92108387 A EP 92108387A EP 0515945 B1 EP0515945 B1 EP 0515945B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
cams
folding
collecting
stapling
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
EP92108387A
Other languages
German (de)
English (en)
Other versions
EP0515945A1 (fr
Inventor
Rudolf Stäb
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.)
Koenig and Bauer AG
Original Assignee
Albert Frankenthal AG
Koenig and Bauer Albert 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 Albert Frankenthal AG, Koenig and Bauer Albert AG filed Critical Albert Frankenthal AG
Publication of EP0515945A1 publication Critical patent/EP0515945A1/fr
Application granted granted Critical
Publication of EP0515945B1 publication Critical patent/EP0515945B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/64—Collecting
    • B41F13/66—Collecting and stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F13/00—Common details of rotary presses or machines
    • B41F13/54—Auxiliary folding, cutting, collecting or depositing of sheets or webs
    • B41F13/56—Folding or cutting
    • B41F13/62—Folding-cylinders or drums

Definitions

  • the invention relates to a folder with a stapling device according to the preamble of claim 1.
  • a stapler with a continuous wire feed is e.g. B. become known from DE 28 22 136 A1.
  • a folder with a folder upstream of the folder is z. B. DE 36 28 411 A1 and EP 02 05 144 A2.
  • the invention has for its object to provide a folder with a stapling device using either 6U (six panels around the circumference) or 8U form cylinders (eight panels around the circumference) with which it is possible to use continuously produced, consecutive signatures different number of layers collected z.
  • 6U six panels around the circumference
  • 8U form cylinders (eight panels around the circumference) with which it is possible to use continuously produced, consecutive signatures different number of layers collected z.
  • the folding knife part 2 is provided with folding knives 5 which can be actuated by an actuating device 4.
  • the gripper part 3 is provided with gripper bars 8 which can be actuated by an actuating device 6 and which are provided with grippers 7.
  • Drive wheels 11 located next to one another are the same on the bearing pins 9 and 10 of the folding knife part 2 or gripper part 3 arranged coaxially to one another Fixed diameter, which can be coupled to accomplish a uniform drive with simultaneous adjustment by a lock-up gear, not shown here.
  • control cams 12 and 13 which are provided coaxially to the cylinder axis, are provided in the region of the cylinder end face and are scanned by the associated actuating devices 4 and 6.
  • the actuating devices 4 and 6 each contain two feeler rollers 14, 15 arranged side by side on a common axis, of which one feeler roller 14 runs on the respectively associated control cam 12 or 13 and the other feeler roller 15 on one of the control curve 12 or 13 adjacent covering device for lateral covering of the control cam-side control depression 16 runs, by means of which the folding knives 5 or grippers 7 are actuated.
  • control cams 12 and 13 have an arcuate circumferential contour.
  • the control sinks 16 are released with every revolution of the collecting cylinder 1 (non-collecting) or with every nth rotation of the collecting cylinder 1 (collecting) and are otherwise covered laterally.
  • the cover devices are provided with cover cams 17.1-17.7 arranged parallel to the respectively associated control cam 12 or 13.
  • the width of the feeler rollers 14 and 15 corresponds to the width of the Control cams 12, 13 and the cover cam 17th
  • the control cams 12, 13 are at a standstill with respect to the driven collecting cylinder 1.
  • the control cam 12 provided for controlling the folding knives 5 is fixed to a bush 18 which comprises the outer bearing journal 9 and is fastened to the housing.
  • the control cam 13 assigned to the grippers 7 is fixed to a radially outer bush 19 which is rotatably mounted in the machine frame and to which an adjustment pocket 20 is fastened, by means of which the control cam 13 can be adjusted in the circumferential direction to set the opening time of the grippers 7.
  • the adjustment pocket 20 can be driven by means of an auxiliary drive device in the form of an auxiliary motor etc. provided for setting the format, or it can be easily operated by hand.
  • the adjustment pocket 20 is secured against twisting during production.
  • the covering devices having the covering cams 17 and assigned to the control cams 12 and 13 are driven with respect to the standing control cams 12, 13 during production.
  • a drive sprocket 21 is flanged to the outer drive wheel 11, from which the drive of the two control cams 12 and 13, respectively, associated covering devices is derived.
  • the two cover devices each comprise, as shown schematically in FIG. 2 for the cover devices assigned to the control cam 12 assigned to the folding knives, a cam carrier arranged coaxially to the control cam 12, 13 concerned 22, on which the covering cams 17.1-17 are accommodated so as to be adjustable in the radial direction.
  • the circumferential contour 23 of the covering cams 17.1-17.8 corresponds to a circular section with a radius corresponding to the radius of the control curve 12, 13 which is circular outside the control depression 16 formed by a circumferential recess.
  • the circumferential contour 23 of the cover cams 17.1-17.8 can be brought from a radially outer active position, which overlaps with the arcuate contour of the associated control cam 12, 13, into a passive position located radially inside the control depression by adjusting the cover cams 17.1-17.8.
  • the cover cams 17.1-17.8 cover the side of the depression 16 as it passes by, so that the feeler roller 14 running on the control cam 12 or 13 in question passes over the control depression 16 by the adjacent one on a cover cam 17.1-17.8 running feeler roller 15 is prevented from falling into the control depression 16 and triggering a folding process.
  • the actuating device which is assigned to the folding knife 5 passing through the folding nip in FIG.
  • an adjusting disk 24 is provided which is arranged coaxially with the cam carrier 22 and is aligned in the axial direction with the cover cams and is provided with fixed control cams 25 and circumferential recesses 26 therebetween.
  • the cover cams 17.1 - 17.8 can each be pivoted on one with an axially parallel pivot axis Cam bracket 22 mounted pivot arm 27 attached and provided with an inwardly radially projecting button 28 which is held by the action of a pressure spring 29 in contact with the circumferential contour of the associated adjusting disk 24.
  • the pressure spring 29 is received in a recess 30 of the associated cover cam 17.1-17.8 and is supported on the one hand at the inner end of the cam-side recess 30 and on the other hand on a pin 31 which projects into the recess 30 and is fastened to the cam carrier 22.
  • the adjusting disk 24 and the cam carrier 22 carrying the covering cams 17.1-17.8 are driven uniformly after adjustment of the adjusting disk 24 during operation, so that the covering cams 17.1-17.8 maintain their position caused by the adjusting disk 24 during operation.
  • the drive speed of the entire covering device formed by cam carrier 22 and adjusting disc 24 is selected depending on the respective type of production so that the covering cams 17.1-17.8 issued in each case pass through the control sink 16 in such a way that only the desired number of folding operations is carried out.
  • the two cam carriers 22 and the two adjusting disks 24 of the respectively assigned covering devices can be firmly connected to one another in order to simplify the drive device required for the drive. Accordingly 1, the two control cams 12 and 13 are spaced further apart in the axial direction so that there is space between the two cover devices, which are arranged with cam carriers 22 abutting one another. The back-to-back cam carriers 22 are firmly clamped together by clamping devices. The adjusting disks 24 which engage under the respective assigned control cam 12 or 13 and cover cams 17.1-17.8 are screwed together with the interposition of a spacer 32, the thickness of which corresponds to the total thickness of the cam carriers clamped together.
  • two bushes 33, 34 are provided in the area between the bushes 18, 19 carrying the control cams 12, 13, the radially inner bush 33 being the cam bearers 22 lying directly against one another and the radially outer sleeve 34 carry the adjusting disks 24 connected to one another with the interposition of the spacer 32.
  • one of the adjusting disks 24 and one of the cam carriers 22 extends with its radially inner edge to the respectively assigned bushing 33 and 34 and is screwed to it.
  • the respective other adjusting disk 24 and the other cam carrier 22 can end further out.
  • the spacer 32 engages with its spacer jaws through this associated window of the cam carrier 22 fastened to the sleeve 34.
  • the other cam carrier 22 comprises the spacer 32.
  • the bushings 33, 34 carrying the adjusting disks 24 and the cam carriers 22 are rotatably mounted and are provided at their ends remote from the cylinder with flanged drive sprockets 35, 36 of the same diameter, which in a chamber 37 delimited by the housing parts receiving the cam-side bushings 18, 19 is accessible from the gearbox 38, are included.
  • the drive sprockets 35, 36 mesh with associated intermediate wheels 39, 40 of the same diameter, which are mounted on the frame side.
  • the intermediate gear 40 located in the drive train assigned to the cam carriers 22 meshes with a pinion 42 which is wedged onto an intermediate shaft 41 arranged parallel to the cylinder axis outside the collecting cylinder diameter.
  • the intermediate gear 39 belonging to the drive train of the adjusting disks 24 meshes with a ring gear 43 of a double wheel mounted on the intermediate shaft 41 , whose two ring gears 43, 44 have the same diameter as the pinion 42.
  • This meshes with the input wheel 45 of a differential gear 46 arranged parallel to the axis next to the intermediate shaft 41, the output gear 47 of which meshes with the second ring gear 44 of the double wheel rotatably mounted on the intermediate shaft 41.
  • the differential gear 46 allows the output wheel 47 to be adjusted with respect to the same diameter input wheel 45 by means of an auxiliary drive device 48.
  • the auxiliary drive device 48 is passivated, so that the differential gear 46 as one double wheel works rigid in itself.
  • the adjusting disks 24 can be brought into the desired rotational position by actuating the auxiliary drive device 48.
  • the intermediate shaft 41 mounted in the gearbox 38 can in turn be driven at different speeds by the drive sprocket 21 flanged onto the outer drive wheel 11.
  • a double wheel mounted on a pin fastened on the frame is provided with two ring gears 49, 50 of different diameters, which in turn mesh with drive wheels 51, 52 of different diameters freely rotatably mounted on the intermediate shaft 41.
  • These can alternatively be coupled to the intermediate shaft 41 by means of a coupling part 53 which is slidably wedged onto the intermediate shaft 41 and arranged between them.
  • the drive wheels 51, 52 are provided in the region of their mutually facing end faces with two axially projecting coupling claws 54, into which the coupling part 53 can be latched with corresponding recesses 55, so that there is a clear, register-accurate coupling.
  • the coupling part 53 can be displaced from the left engagement position shown in FIG. 1 into a right engagement position by means of a shift lever 56 engaging in a circumferential groove. Appropriate actuation of the shift lever 56 can thus bring about two different speeds of the covering devices.
  • the cam carrier 22 is provided with eight adjustable cover cams 17.1-17.8, the circumferential contour 23 of which each has a degree of about 10-20 o .
  • the eight cover cams 17 are divided into two groups of four offset cams 17.1, 17.2, 17.3, 17.4 in the first group and 17.5, 17.6, 17.7, 17.8 in the second group, offset by 180 o from each other, each with four over a degree of 90 o .
  • Two cover cams 17.1 - 17.5; 17.2 - 17.6; 17.3 - 17.7 and 17.4 - 17.8 are diametrically opposed.
  • the adjusting disk 24 is provided with six fixed circumferential cams 25.1 to 25.6, which are arranged in two groups of three circumferential cams 25.6, 25.1, 25.2; Distribute 25.3, 25.4, 25.5.
  • the distance between two covering cams is measured from half the circumferential contour length to half the circumferential contour length, the covering cams 17.1-17.8 being in the extended state.
  • the setting of the adjusting disk 24 on which FIG. 2 is based on the cam carrier 22 and thus on the covering cams 17.1-17.8 corresponds to the non-collecting production type with optionally 4U, 6U or 8U forme cylinders, resulting in a single-layer product.
  • the adjusting disc 24 is adjusted so that none of the cover cams 17.1-17.8 is issued, i.e. H. each row of folding knives 5 performs a folding process, each row of grippers 7 opens during the folding process. Because each of the seven rows of folding knives 5 or rows of grippers 7 finds a released control depression 16 with each collection cylinder revolution and carries out a folding process. The same naturally also applies to the gripper rows 7. None of the cover cams 17.1 - 17.8 has been issued.
  • the drive speed, i.e. H. the speed of the cam carrier 22 and the adjusting disks 24 is 7/8 the speed of the collecting cylinder, which carries seven folding knives and rows of grippers.
  • the setting of the adjusting disk 24 on which FIG. 3 is based corresponds to the production type double collecting when using 4U or 8U forme cylinders.
  • the result is a two-layer product.
  • the switching cams 17.1 and 17.4 or 17.5 and 17.8 have been issued, the switching cams 17.2 and 17.3 or 17.6 and 17.7 have been retracted.
  • the drive speed of the cam carrier 22 and the adjusting disk 24 is 7/8 the speed of the collecting cylinder 1.
  • the setting of the adjusting disk 24 on which FIG. 4 is based corresponds to the triple collecting production type when using 6U forme cylinders.
  • the result is a three-layer product.
  • the first and third switch cams 17.1 and 17.3 or 17.5 and 17.7 have been issued, switch cams 17.2 and 17.4 or 17.6 and 17.8 have been retracted.
  • the drive speed of the cam carrier 22 and adjusting disk 24 is 7/6 the speed of the collecting cylinder 1.
  • the control roller of each row of folding knives 5 or row of grippers 7 finds a free control depression 16 and carries out a folding process or the row of grippers 7 opens .
  • the setting of the adjusting disk 24 on which FIG. 5 is based corresponds to the production type quadruple collecting when using 8U forme cylinders.
  • the result is a four-layer product.
  • the switching cams 17.1 and 17.4 or 17.5 and 17.8 are issued, the switching cams 17.2 and 17.3 or 17.6 and 17.7 are retracted.
  • the drive speed of the cam carrier 22 and adjusting disk 24 is 7/8 the speed of the collecting cylinder. With every fourth collection cylinder revolution, the control roller of each row of folding knives 5 or row of grippers 7 finds a free control depression 16 and carries out a folding process or row of grippers 7 opens.
  • the setting of the adjusting disk 24 on which FIG. 6 is based corresponds to the production type partial collecting when using 6U forme cylinders, i. H. six benefits (e.g. A, B, C, A, B, C) around its scope.
  • the result is a single-layer plus a two-layer product.
  • the switching cams 17.2 and 17.6 are on, the switching cams 17.1, 17.3, 17.4, 17.5, 17.7 and 17.8 are retracted.
  • the drive speed of the cam carrier 22 and the adjusting disk 24 is 7/6 the speed of the collecting cylinder 1.
  • Each field on the collecting cylinder 1 is controlled so that after one revolution the row of folding knives 5 or row of grippers 7 finds the control roller of a control sink 16 and then then twice must circulate until it finds a free tax sink 16 again.
  • the setting of the adjusting disk 24 on which FIG. 7 is based corresponds to the production type partial collecting when using 8U forme cylinders, ie eight uses (for example A, B, C, D, A, B, C, D).
  • the result is a single-layer plus a three-layer product.
  • the switching cams 17.2 and 17.4, 17.6 and 17.8 are issued, the Switch cams 17.1 and 17.3 or 17.5 and 17.7 are retracted.
  • the drive speed of the cam carrier 22 and adjusting disk 24 is 7/8 the speed of the collecting cylinder.
  • Each field on the collecting cylinder 1 is controlled in such a way that after rotation the row of folding knives 5 or gripper 7 finds the control roller of a control depression 16 and then has to revolve three times until it finds a free control depression 16 again.
  • the structure and the mode of operation of the covering device assigned to the gripper control correspond to the covering device of the folding knife control on which the FIGS. 2 to 8 are based only with the difference that the grippers 7 holding the beginning of the sheet have already passed through the folding gap when the folding operation is carried out.
  • the activation of the folding knife 5 and the opening of the gripper 7 therefore take place essentially simultaneously.
  • the gripper bars 8 and the folder 5 are divided over the cylinder length, with each cylinder side having its own control device assigned.
  • the construction of these two control devices can correspond to the construction of the control device for the right cylinder half, as can be seen in FIG. 1, only with the difference that the intermediate shaft 41 cannot be coupled to the cylinder drive via an associated claw coupling, but by means of a bridging shaft 57 with the opposite intermediate shaft 41 is connected, as shown in Figure 1. This results in a common drive shaft that extends across the entire width of the cylinder.
  • the cover cams are adjusted by means of assigned adjusting disks 24, which enables automatic presetting by appropriate programming of the auxiliary drive device 48.
  • the cam carrier 22 would simply have to be provided with suitable tensioning devices for holding the cover cams 17.1-17.8.
  • the adjusting disc 24 is adjusted with the circumferential cams 25.1 to 25.6 so that the cover cams 17.1 to 17.8 are brought into a position in which the gripper rows and folding knife rows are activated at the right time.
  • 4U- 6U-, 8U-form cylinder means that 4 (e.g. A, B, A, B) or 6 (e.g. A, B, C, A, B, C) or 8 (e.g. A, B, C, D, A, B, C, D) equally long panels (pages) are arranged.
  • 4U, 6U and 8U are of equal length and can vary within the permissible format range.
  • a strand 61 consisting of a plurality of paper web strips lying on top of one another, runs into a folding unit 63 via a driven pair of pulling rollers 62. After the pair of drawing rollers 62, the strand 61 runs into a driven cutting cylinder group 64 which runs in rhythm with the plate cylinder of a printing unit. There the strand 61 is cross-cut into successive signatures in a known manner and z. B. in a known tape guide system (EP 0 066 867 A1). Transported between the upper and lower belts, the signatures reach the collecting cylinder 1 and are gripped by means of controllable grippers or punctures at their front end, so that they then continue on the rotating collecting cylinder 1.
  • the collecting cylinder 1 has an odd number of fields, e.g. B. five, and is therefore also equipped for each field with a cam-controlled puncture or gripper and folding knife set.
  • a transfer and folding jaw cylinder 67 cooperates with the collecting cylinder 1.
  • Each field is equipped with a controllable, well-known folding flap, which interacts with changing folding blades.
  • the folded and stapled signatures are converted to z. B. a delivery unit 69 with one or two exits 71, 72 (z. B. fan exits) transported.
  • a left and a right cross-stitch cylinder 73, 74 cooperate with the collecting cylinder 1.
  • the left cross-stitch cylinder 73 is in the area of III. Quadrants and the right cross-stitch cylinder 74 in the fourth quadrant of the circumference of the collecting cylinder 1 in operative connection, d. H. that the closing plates for the staples are arranged on the collecting cylinder 1 and cooperate with the controllable patrices of the cross-stitching cylinders 73 and 74.
  • the cross-stitching cylinder 73 has three or four controllable stapling devices 76, 77 and 78 offset from one another by 120 o or 90 o .
  • the cross-stitching cylinder 74 has a single controllable stapling device 79.
  • the left cross-stitch cylinder 73 - but it could also be arranged on the right - is rotatably arranged in such a way that it rotates at the same peripheral speed as the collecting cylinder 1.
  • the signatures stapled in position 7 are transferred to the transfer and folding jaw cylinder 67 and cross-folded and then transferred to the conveyor belt system 68 in a known manner. Not one illustrated, but well-known signature switch points z. B. the triple-collected products (ABC) on the upper exit 71 and the non-collected products (D) on the lower exit 72 of the folder.
  • each stapler 73, 74 can advantageously be set precisely to the different thickness of the signatures.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (1)

  1. Dispositif de pliage avec un dispositif à aiguilles et coopérant avec un groupe d'impression dont le cylindre porte-cliché est pourvu en périphérie de quatre, six ou huit possibilités d'utilisation, le dispositif de pliage ayant un cylindre collecteur et un cylindre à lame de pliage, dont la périphérie comporte un certain nombre de zones, cependant supérieur à trois, chaque zone étant équipée d'un jeu, commandé par came, de pointures, respectivement de preneurs et de lames de pliage, un cylindre de transfert et à volets de pliage, avec une sortie de presse aval, divisée, étant disposé en aval du cylindre collecteur ou à lame de pliage - en observant dans la direction de défilement du papier -, caractérisé en ce que sont associés au cylindre collecteur et au cylindre à volets de pliage (1) deux cylindres à aiguilles (73; 74) séparés, présentant des dispositifs à aiguilles, en ce qu'un cylindre à aiguilles (73) présente au moins trois dispositifs à aiguilles (76, 77, 78) disposés suivant le même espace angulaire les uns par rapport aux autres, en ce qu'un deuxième cylindre à aiguilles (74) présente au moins un dispositif à aiguilles (79), en ce que les deux dispositifs à aiguilles (73; 74) sont disposés devant le cylindre à volets de pliage (67) en observant dans la direction de défilement du papier.
EP92108387A 1991-05-27 1992-05-19 Dispositif de pliage Expired - Lifetime EP0515945B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4117205A DE4117205A1 (de) 1991-05-27 1991-05-27 Falzapparat
DE4117205 1991-05-27

Publications (2)

Publication Number Publication Date
EP0515945A1 EP0515945A1 (fr) 1992-12-02
EP0515945B1 true EP0515945B1 (fr) 1995-04-26

Family

ID=6432481

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92108387A Expired - Lifetime EP0515945B1 (fr) 1991-05-27 1992-05-19 Dispositif de pliage

Country Status (5)

Country Link
US (1) US5305993A (fr)
EP (1) EP0515945B1 (fr)
JP (1) JPH0774064B2 (fr)
DE (2) DE4117205A1 (fr)
RU (1) RU2015030C1 (fr)

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CN109311256B (zh) 2016-06-16 2021-06-22 派克赛泽有限责任公司 箱模板生产系统和方法
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US11173685B2 (en) 2017-12-18 2021-11-16 Packsize Llc Method for erecting boxes
US11305903B2 (en) 2018-04-05 2022-04-19 Avercon BVBA Box template folding process and mechanisms
US11247427B2 (en) 2018-04-05 2022-02-15 Avercon BVBA Packaging machine infeed, separation, and creasing mechanisms
WO2019246344A1 (fr) 2018-06-21 2019-12-26 Packsize Llc Machine et systèmes d'emballage
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US11524474B2 (en) 2018-11-30 2022-12-13 Packsize Llc Adjustable cutting and creasing heads for creating angled cuts and creases
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DE3828372C2 (de) * 1988-08-20 1995-12-21 Frankenthal Ag Albert Falzapparat
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4041613A1 (de) * 1990-02-19 1991-08-22 Frankenthal Ag Albert Falzapparat
EP0516649A1 (fr) * 1990-02-19 1992-12-09 Frankenthal Ag Albert Appareil de pliage.

Also Published As

Publication number Publication date
EP0515945A1 (fr) 1992-12-02
DE59202004D1 (de) 1995-06-01
US5305993A (en) 1994-04-26
RU2015030C1 (ru) 1994-06-30
JPH05155517A (ja) 1993-06-22
DE4117205A1 (de) 1992-12-03
JPH0774064B2 (ja) 1995-08-09

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