EP0741096B1 - Dispositif de transport de bandes métallisées - Google Patents

Dispositif de transport de bandes métallisées Download PDF

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Publication number
EP0741096B1
EP0741096B1 EP96106322A EP96106322A EP0741096B1 EP 0741096 B1 EP0741096 B1 EP 0741096B1 EP 96106322 A EP96106322 A EP 96106322A EP 96106322 A EP96106322 A EP 96106322A EP 0741096 B1 EP0741096 B1 EP 0741096B1
Authority
EP
European Patent Office
Prior art keywords
roller
support
advance
crossbar
carriage
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
EP96106322A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0741096A3 (fr
EP0741096A2 (fr
Inventor
Jean-Claude Rebeaud
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.)
Bobst Mex SA
Original Assignee
Bobst SA
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 Bobst SA filed Critical Bobst SA
Publication of EP0741096A2 publication Critical patent/EP0741096A2/fr
Publication of EP0741096A3 publication Critical patent/EP0741096A3/fr
Application granted granted Critical
Publication of EP0741096B1 publication Critical patent/EP0741096B1/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
    • B41F19/00—Apparatus or machines for carrying out printing operations combined with other operations
    • B41F19/02—Apparatus or machines for carrying out printing operations combined with other operations with embossing
    • B41F19/06—Printing and embossing between a negative and a positive forme after inking and wiping the negative forme; Printing from an ink band treated with colour or "gold"
    • B41F19/064—Presses of the reciprocating type
    • B41F19/068—Presses of the reciprocating type motor-driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H20/00—Advancing webs
    • B65H20/02—Advancing webs by friction roller
    • B65H20/04—Advancing webs by friction roller to effect step-by-step advancement of web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2219/00—Printing presses using a heated printing foil
    • B41P2219/20—Arrangements for moving, supporting or positioning the printing foil
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S101/00—Printing
    • Y10S101/31—Devices for applying metal leaf employing hot dies

Definitions

  • the invention relates to a tape transport device metallized in a metallized image transfer machine on plate elements, such as sheets of cardboard, paper, material plastic, etc.
  • the invention relates more particularly to a machine comprising a platen press between which the sheet is brought, for printing thereon, according to given patterns, of a metallized film from a strip led between this sheet and one of the plates.
  • Such a printing machine usually comprises first an introduction station in which a stack of sheets is installed, each sheet being successively removed from the top of the pile to be sent to a margin table. On this table, each sheet is put in position against front and side cleats before being caught on its edge front by a series of clamps mounted along a crossbar, of which each end is attached to a side chain train carrying the bar, therefore the sheet, in the following treatment stations.
  • the processing stations can be one or more platen presses printing, possibly followed by a platen cutting press then followed by a waste ejection station.
  • These treatment stations are finally followed by a receiving station in which each sheet released by the clamps falls squarely on top of an accumulating pile on an output pallet.
  • An independent device for transporting metallic strips parallel comprises successively a support of supply coils of bands, means of intermittent unwinding and advancing of the bands, guide means for guiding these strips parallel to the direction of scrolling of the sheets between the plates, then guide in clearance around of one of the press plates, a tensioning mechanism to put under tension these bands at least along their trajectory between the plates, and a device for discharging used tapes from the machine, usually through a side window.
  • Metallic bands having identical intermittent frame speed go through the same means of advancement and unwinding, while the bands having a speed different go through second, even third, means of unfolding and split in advance, the tensioning mechanism being adjusted, in this case, by function of the highest speed.
  • Small reels of metallic strips are attached each on an associated lever, these levers being mounted on horizontal crosspieces.
  • the levers can be moved transversely and can be stopped by a desired position by means of fixing screws.
  • Each coil is fixed on its lever by means of a mandrel extendable in diameter and having a adjustable braking system allowing more or less free movement Of the band.
  • Wide coils are held by rigid shafts transverse, the ends of which rest in seats provided with on either side against the lateral internal walls of the machine frame.
  • a metallic strip then passes over part of the circumference of an unwinding and advancing roller intermittent, against which it is more or less strongly pinched to ensure its advance by means of a roller pressed by a spring.
  • the support of roller is also movable transversely along a cross in depending on the position of the strip.
  • For the wide belt transport preferably several pressure rollers are used per band.
  • the strip having described a trajectory in the shape of a lying U around the upper bed base is then taken up by a tension roller continuously driven at a speed significantly higher than the speed tape advance.
  • This strip is also more or less pinched strongly against this roller by at least one pressure roller whose pressure is adjustable.
  • the support of this roller can also slide along a cross, and be fixed in the desired position by a locking screw. For a wide strip, preferably several rollers are used.
  • the band finally performs a right angle around a crossbar towards a side window of the machine frame where it is ejected by two rotating brushes to fall into a bin or bag.
  • knives located close of the tension roller cut the strip longitudinally into several strips.
  • the foundations of the axes crossing large coils and / or graduated sleepers carrying small reels, as well as the intermittent unwinding and advancing rolls of bands are located in the upper part of the station following the press with plate.
  • the tensioner roller and the deflection bars are often located above the platen press, slightly downstream.
  • Difficult access usually through the ceiling, to the different parts of the machine, such as the tension roller or the pressure rollers, makes the replacement of tapes during production or the change tape configuration from one production to another particularly tedious, which increases the idle time of the machine and the risk of accident.
  • the object of the present invention is a device for transporting bands arranged in such a way as to allow the bands to be put in place and / or effective interventions, that is to say easy, quick and safe, and at all strategic points along their route.
  • the design of component parts of this device should be kept as simple as possible to better reliability over time and a reasonable cost of production, everything taking into account ergonomic considerations facilitating their operation and that of the bands.
  • the feed rollers are arranged in a parallel plane and one behind the other with respect to the plane and in the sense of advance of the leaves.
  • the lower edge of the window is located little above the plane of the feed rollers, and the upper edge is at least above the tension roller installed above the downstream edge of the press and close to the upstream upright of the window, or the coils installed in the upper downstream part of the machine, for example in the station next and close to the downstream amount of the window.
  • the grouping of the feed rollers in a plane horizontal near the press, and the opening of a window at this level makes these rollers and their associated rollers particularly accessible.
  • a operator standing in the window frame can easily pull the strips coils arriving on the downstream side, pass them on the roller in advance concerned by leaning towards the lower edge, then in the press. Once the bands are wrapped around the upper base of the press, the operator can easily recover them at the upstream amount for pass around the tension roller.
  • the establishment of supports for different rollers then their implementation is fast due to their accessibility.
  • the departure and arrival of the return loop of the train chains returning the gripper bars from the downstream part of the machine to the upstream part is done with an angle of incidence greater than 45 degrees, by example 60 degrees, so that the chain train passes over the upper edge of the window.
  • the intermittent drive of each roller in advance is effected by an associated electric motor mounted immediately under the roller against one of the downstream walls of the machine frame, this motor being connected directly by a belt to a drive wheel mounted in the corresponding end of the roller.
  • the feed roller roller support comprises a carriage sliding along a crossmember on which it can be fixed in one any point, a lever mounted on the carriage for pivoting in a first end and carrying in its middle part the roller, as well as a spring acting between the carriage and the second end of the lever to push this roller against the feed roller opposite.
  • the support further comprises a hook which can be advanced or retracted by a handle, this hook being intended to grip the second end of the lever and pull the roller out of the roller against the compression of the spring. We can thus quickly implement or deactivate a given roller.
  • the support slides freely along a first cross member and can be wedged against a second cross member parallel to the first by means of a hook which can be advanced to pass behind the second cross member then retracted for tightening, by action on a handle.
  • the hook and the second cross are.
  • the first crosspiece, of circular section crosses the carriage in its lower part
  • the second cross member, of rectangular section is engaged in a notch formed in the upper part of the carriage, the height of this notch being a little higher than that of the second crosspiece.
  • the hook at the end of the lever and the timing hook against the second crosspiece are the same hook mounted on a movable pin rotating on the carriage.
  • the tension roller roller support and a support knife blade have a trapezoidal passage in correspondence with a cross member of identical section, so that the screws fixing and adjustment knob for the support force of the roller or the position of the knife must be on a predetermined side, for example in direction of the amount of the access window.
  • FIG. 1 is illustrated a transfer machine 10 comprising a platen press 14 comprising an upper base on the underside of which are fixed plates, as well as a lower base vertically movable and on the upper face of which are fixed cons-shots.
  • Clamp bars 20 each pinch the front edge of a sheet 1 previously teased in a margin table not shown located upstream of the platen press 14, ie on the right side of the drawing.
  • These gripper bars 20 take each sheet first under the platen press 14, then in the last station called “receiving station" 12 in which the leaves are released properly squared on top of a pile of exit.
  • clamp bars 20 are held on each side by a pair of chain trains 22, each chain train traversing a loop along the inner face of the side wall in correspondence with the machine 10. More precisely, these gripper bars carry out a forward journey in a horizontal passage plane, and that of an upstream drive wheel 26 to a downstream return wheel 24, then a return path guided by casters 28 in the upper part of the machine allowing to bring back these gripper bars at the upstream drive wheel 26 ready to enter a new sheet 1.
  • the return journey of the train of chains 22 forms a fairly high loop in order to pass over a side window 16 formed substantially in the middle of the upper half of each side wall of the machine.
  • this loop of back in the shape of a turtle shell, has an angle very important incidence at the start close to the return wheel 24 and is at the close arrival of the drive wheel 26, an angle greater than 45 degrees and rather of the order of 60 degrees.
  • the edge bottom of window 16 is roughly level with the size of a operator and the upper edge is located substantially at the level of his head, the width of this window being slightly greater than that of the shoulders.
  • This transfer machine is specially designed to allow the deposit of special pigments, such as metallic pigments, from a strip 37 unwound from a reel 30.
  • This tape is advanced sequentially by rollers 40, then guided between the sheet 1 and the upper base of the press 14 by deflection rollers and guide 45-50, then recirculated by rollers 51-52 to a roller energized 60 before being evacuated laterally by passing around deflection bars 70.
  • the supply coils 30 are arranged in the upper part of the last station of the machine, know the receiving station 12, in particular between the start of the return journey of the chain train 22 and the downstream amount of the window 16.
  • the support pins of these coils 30 are held on both sides by a pair loading arms 32 parallel and identical, each being movable about an axis of rotation 34 in a plane parallel to the internal face of the side wall of the machine. So, by a rotation of the order of 130 degrees downstream, either counterclockwise as shown in the figure, these loading arms can bring these coils to outside the downstream side of the machine passing through a window 18 composed of vertical telescopic plates raised upwards.
  • the axis 34 of one of the loading arms 32 is integral with a wheel can be driven by a device 36 comprising an electric motor and a double train of chains, one connecting the engine to a wheel and pinion reduction gears, the other connecting the intermediate gear to the arm wheel 34.
  • the metallized strips 37 intended to be consumed at a identical rhythm are directed towards the same roll of unwinding and in advance 40 belonging to a triplet of which each of the other rollers can print a lead at a different rate to other tapes. More particularly according to the invention, this triplet of parallel rollers in them is grouped in a horizontal plane, one behind the other, this plane being located little above the sheet passage plane 1 with which it is parallel. In addition, this plane of rollers 40 is located directly at the outlet of the press. with plate 14 and slightly below the lower edge of the side window 16. The first advantage of this original arrangement is that these rollers 40 are directly accessible from above by simply leaning through the side window 16.
  • Another advantage is that it is possible to have a group of three electric motors 43 respectively driving each roller 40 by means of a chain or belt 39 engaged with a wheel drive 41 secured to the end of the corresponding roller, this group being arranged along a horizontal line located just below the plane for the passage of the sheets 1 and between the platen press 14 and the station reception 12.
  • each support is based on a carriage 46 sliding on a first circular support cross member 47 on which it is engaged by a circular orifice 146 formed in its lower part. This sliding takes place along a second rectangular crosspiece 48 engaged in a notch 145 with a double flat formed in the upper upstream corner of the carriage.
  • the dimensions of this carriage 46 are such that the lower flat horizontal is 1 to 3 millimeters apart from the underside of the sleeper 48, the vertical upper flat being in correspondence with the face vertical downstream of this same cross.
  • the lower downstream edge of this carriage 46 carries a lever 44 composed of two side plates held, in their part lower, by an axis of rotation 143 of the carriage, these plates being joined in their upper part by a crosspiece 142.
  • the middle parts of these side plates of levers 44 hold between them the axis of rotation of the roller 42.
  • the cross-member 142 constitutes a stop for the first ends of a pair of thrust springs 140 of which the others ends bear against the upper part of the carriage 46, these springs thus pushing the roller 42 in abutment against the unwinding cylinder and in advance 40 located opposite.
  • the upper face of the carriage 46 is completed with a journal 148 movable in rotation in a plane horizontal, this pin carrying a hook 49 which can be advanced or moved back resiliently by action on a handle 149.
  • This hook first makes it possible to lock the carriage 46 in one desired position along the first crosspiece 47 by tightening the vertical face of the notch 145 against the second crosspiece 48. For this, and as illustrated in FIG. 2, this hook 49 is passed from behind the downstream vertical face of this crosspiece 48 then tightened by folding the handle 149 over the hook.
  • This same hook 49 then makes it possible to deactivate the roller 42 by pulling the cross member 142 towards the carriage body 46 against the compression of the springs 140.
  • the hook 49 in the extended position is engaged in a hooking groove 144 formed in the cross member 142 which it pulls after folding of the handle 149.
  • this carriage 46 rocks slightly forward until the lower flat of notch 145 comes into contact with the crosspiece 48.
  • An operator passing the arm through side window 16 can then easily manually enter the carriage 46 to, after having raised it slightly, slide it freely along the circular cross member 47 in an unused position or in a new position position of use. In the latter case, the operator need only raise the handle 149 to release the hook 49 out of the groove 144, turn this half-turn hook to re-engage it behind cross-member 48 and fold down the handle 149.
  • the deflection and guide 45, 50, 51 and 52 return the metallic strip 37 to the roller tensioner 60 located, with its corresponding support rollers 64, close to the upper part of the upstream upright of the side window 16.
  • the support roller 64 is mounted at the lower end a lever 65 itself rotatably mounted in its upper part to a carriage support 66 fixed on a cross member 68.
  • This lever is pushed back by a means internal elastic, such as a spring, the position of the stopper within the body 66 is adjustable by means of a dial 167 to modify the force support.
  • This support carriage 66 is fixed in a predetermined position on along the cross-member 68 by a latch 166 tightened by means of a fixing screw ending with a handle 67.
  • the cross section of the cross member 68 and the corresponding internal passage 168 of the carriage 66 is not symmetrical, namely trapezoidal, to impose a mounting direction of these trolleys, in particular so that the handle 67 and the adjustment wheel 167 are directed towards the side window 16.
  • the knife blade holder includes a carriage 170 having an internal housing 172 for the blade whose vertical position can be fixed with a clamping screw ending by a wheel 174 sliding along a groove of the housing.
  • this carriage 170 can be fixed in a predetermined position by tightening a latch 176 by means of a fixing screw and handle 67.
  • the passage 168 of the carriage 170 in which the cross member 68 passes is also trapezoidal to obligatorily orient the handle 67 and the wheel 174 of the side of side window 16.
  • the supply coils are arranged in the upper part of the last station of machine 10, namely the station 12, to allow them to be loaded through a window 18 formed in the downstream face of the machine.
  • the presence of these windows lateral 16 allows, by leaning against the downstream upright, to pull very easily the strips 37 out of their reel, at most using a gripping cane to pass beyond an intermediate station possible.
  • the systematic orientation towards window 16 of the handles clamping roller carriages 42 of feed rollers or 64 of rollers tensioners make the operator's work easier, thus significantly reducing machine downtime.

Landscapes

  • Delivering By Means Of Belts And Rollers (AREA)
  • Advancing Webs (AREA)
  • Physical Vapour Deposition (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Belt Conveyors (AREA)
  • Structure Of Belt Conveyors (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Press Drives And Press Lines (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
EP96106322A 1995-04-28 1996-04-23 Dispositif de transport de bandes métallisées Expired - Lifetime EP0741096B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH122495 1995-04-28
CH01224/95A CH690716A5 (fr) 1995-04-28 1995-04-28 Dispositif de transport de bandes métallisées dans une machine de transfert d'images métallisées sur des éléments en feuille.
CH1224/95 1995-04-28

Publications (3)

Publication Number Publication Date
EP0741096A2 EP0741096A2 (fr) 1996-11-06
EP0741096A3 EP0741096A3 (fr) 1998-01-28
EP0741096B1 true EP0741096B1 (fr) 2002-03-06

Family

ID=4205399

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96106322A Expired - Lifetime EP0741096B1 (fr) 1995-04-28 1996-04-23 Dispositif de transport de bandes métallisées

Country Status (13)

Country Link
US (1) US5704292A (zh)
EP (1) EP0741096B1 (zh)
JP (1) JP2749556B2 (zh)
CN (1) CN1072600C (zh)
AT (1) ATE214032T1 (zh)
AU (1) AU711463B2 (zh)
BR (1) BR9602093A (zh)
CA (1) CA2175022C (zh)
CH (1) CH690716A5 (zh)
DE (1) DE69619584T2 (zh)
DK (1) DK0741096T3 (zh)
ES (1) ES2173220T3 (zh)
TW (1) TW319752B (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6113346A (en) 1996-07-31 2000-09-05 Agfa Corporation Method for loading and unloading a supply of plates in an automated plate handler
DE10352700B3 (de) * 2003-11-12 2005-01-20 Leonhard Kurz Gmbh & Co. Kg Prägestation für eine Prägevorrichtung
TWI283650B (en) 2004-04-23 2007-07-11 Bobst Sa Module for supporting and driving a wound foil matter for a machine processing it
TWI283651B (en) 2004-04-23 2007-07-11 Bobst Sa Device for transferring a foil matter from outside to inside of a machine
US7607883B2 (en) * 2005-09-21 2009-10-27 Sadao Yagi Palletizing machine pusher with raised return rail
TWI515120B (zh) * 2010-09-22 2016-01-01 巴柏斯特合資公司 包含平板壓機的打印機
CN103465619B (zh) * 2013-07-26 2015-06-24 北京印刷学院 一种平压平自动模切烫金机动平台凸轮驱动装置
CN103879816B (zh) * 2014-03-10 2017-11-21 天津长荣印刷设备股份有限公司 一种铝箔引导输送系统及其工作方法
CN110293747B (zh) * 2018-03-22 2022-05-20 博斯特（上海）有限公司 开窗装置及具有开窗装置的烫金设备
WO2019200596A1 (en) * 2018-04-20 2019-10-24 Bobst Mex Sa Device for driving a stamping foil, stamping station and machine, and method for controlling the driving of a stamping foil
EP3941748A4 (en) * 2019-03-20 2022-11-02 Bobst Mex Sa HOT FOIL STAMPING PRESS
IT201900007812A1 (it) * 2019-06-03 2020-12-03 Plusline S R L Gruppo per l'alimentazione di film di materiale plastico.

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1737593A (en) * 1926-12-11 1929-12-03 Lange Richard Press attachment for feeding roll leaves
DE1958824B1 (de) * 1969-11-22 1971-05-27 Heidelberger Druckmasch Ag Einrichtung zum Heisspraegedruck mit Farbrollenfolien
CH516458A (fr) * 1970-03-26 1971-12-15 Bobst Fils Sa J Dispositif de transport de bandes métallisées dans une presse à platines
GB1424581A (en) * 1973-02-06 1976-02-11 Milford Astor Ltd Printing or embossing mechanisms
US3944150A (en) * 1974-07-18 1976-03-16 Phylpat, Inc. Apparatus and a method for slitting and winding elongated sheets of material into rolls
JPS5913355B2 (ja) * 1976-04-02 1984-03-29 エプソン株式会社 小型プリンタの付属機構
DD130123A1 (de) * 1977-02-25 1978-03-08 Dietrich Hank Pneumatisch betaetigbarer pressroller
US4094217A (en) * 1977-06-28 1978-06-13 Borg-Warner Corporation Safety slitter for thermoplastic sheet
GB2038781A (en) * 1978-09-29 1980-07-30 Ta Su Chen High-speed automatic foil gilding
US4479598A (en) * 1982-08-05 1984-10-30 Genicom Corporation Friction feed tractor
US4512564A (en) * 1983-12-19 1985-04-23 The Mako-Tek Corporation Pullout roller assembly
US4860028A (en) * 1986-12-03 1989-08-22 Data Card Corporation Print head assembly
JPH0284942U (zh) * 1988-12-15 1990-07-03
US5312059A (en) * 1990-06-18 1994-05-17 Hercules Membrino Machine for rewinding and intermediately processing thin flexible material using a conveyor

Also Published As

Publication number Publication date
BR9602093A (pt) 1998-10-06
US5704292A (en) 1998-01-06
CN1137478A (zh) 1996-12-11
ATE214032T1 (de) 2002-03-15
CN1072600C (zh) 2001-10-10
DK0741096T3 (da) 2002-06-24
CA2175022A1 (en) 1996-10-29
CA2175022C (en) 1999-10-26
JPH08300618A (ja) 1996-11-19
CH690716A5 (fr) 2000-12-29
ES2173220T3 (es) 2002-10-16
AU5191196A (en) 1996-11-07
TW319752B (zh) 1997-11-11
DE69619584D1 (de) 2002-04-11
EP0741096A3 (fr) 1998-01-28
AU711463B2 (en) 1999-10-14
JP2749556B2 (ja) 1998-05-13
DE69619584T2 (de) 2002-08-22
EP0741096A2 (fr) 1996-11-06

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