EP2356052A1 - Device for supplying power to a conversion unit with a continuous strip substrate for a power supply station in a packaging production machine - Google Patents

Device for supplying power to a conversion unit with a continuous strip substrate for a power supply station in a packaging production machine

Info

Publication number
EP2356052A1
EP2356052A1 EP09748718A EP09748718A EP2356052A1 EP 2356052 A1 EP2356052 A1 EP 2356052A1 EP 09748718 A EP09748718 A EP 09748718A EP 09748718 A EP09748718 A EP 09748718A EP 2356052 A1 EP2356052 A1 EP 2356052A1
Authority
EP
European Patent Office
Prior art keywords
roller
main
main shaft
satellite
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09748718A
Other languages
German (de)
French (fr)
Other versions
EP2356052B1 (en
Inventor
Philippe Clement
Yeznig Maghdessian
Edouard Borel
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
Priority to PL09748718T priority Critical patent/PL2356052T3/en
Priority to EP20090748718 priority patent/EP2356052B1/en
Publication of EP2356052A1 publication Critical patent/EP2356052A1/en
Application granted granted Critical
Publication of EP2356052B1 publication Critical patent/EP2356052B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65H20/00—Advancing webs
    • B65H20/24—Advancing webs by looping or like devices
    • 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
    • B41F19/008—Apparatus or machines for carrying out printing operations combined with other operations with means for stamping or cutting out
    • 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
    • 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
    • B65H2301/449—Features of movement or transforming movement of handled material
    • B65H2301/4491—Features of movement or transforming movement of handled material transforming movement from continuous to intermittent or vice versa
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/02—Other than completely through work thickness
    • Y10T83/0333—Scoring
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/664—Roller
    • Y10T83/6648—Continuous conveying during, cutting; e.g., straw cutting

Definitions

  • the present invention relates to a device for feeding a processing unit with a continuous web support.
  • the invention also relates to a station for supplying a transformation unit with a continuous band support, the transformation unit transforming the support stationary.
  • Such a station comprises a feeding device according to the present invention.
  • Such a processing unit of the support is a platen cutting press or a platen printing.
  • the invention also relates to a packaging production machine, integrating a feed station with a continuous web support and a subsequent support processing unit.
  • a packaging production machine is intended for the manufacture of boxes, which will be able to form packaging, by folding and gluing.
  • the production starts from an initial continuous medium, that is to say a blank tape, for example cardboard, which is unrolled continuously, printed by one or more groups printers, possibly embossed, then cut into a platen cutting press.
  • the poses or boxes obtained are then tabled, before being stacked in rows to form stacks in a receiving and palletizing station, for storage or transport out of the production machine.
  • a platen cutting press or a platen is a transformation unit that requires a temporary stop of the scrolling of the support during the transformation. Due to the continuous feed upstream, there is an accumulation of support in the form of an upstream loop.
  • a feeding station serves firstly to register the printing with the cutout longitudinally and laterally.
  • the other function of the feed station is to cyclically create and continuously control this loop which is lengthened during the stoppage due to the work of the press, and which is shortened as soon as the food of the press resumes with a view to the subsequent transformation.
  • the Feed Station transforms the continuous scrolling of the media into intermittent scrolling at each work cycle of the transformation unit, while maintaining a constant media tension at the loop control level.
  • EP-742 170 a device for feeding a station with a support, the station working the support stationary.
  • This device comprises a first roller, called a drive roller, also known as the call cylinder or sensitive control, around which oscillates cyclically, upstream and downstream, a second roller, called satellite roller.
  • the satellite roller is mounted on two lateral levers pivoting on the axis of the drive roller.
  • the drive gear of the satellite roller is meshing with a toothed wheel integral with the axis of the first drive roller.
  • a rod is hooked by means of a bearing on the axis of the satellite roller and allows the latter to be pulled cyclically from upstream to downstream.
  • This device further comprises a counterweight, driven in rotation by a pinion from the toothed wheel of the axis of the first drive roller.
  • the counterweight is mounted on an arm pivotable about the axis of the first drive roller.
  • the counterweight is connected by a mechanism to the levers to oscillate in the opposite direction of the satellite roller.
  • the counterweight makes it possible to compensate the traction of the connecting rod on the axis of the satellite roller.
  • the counterweight has moments of inertia with respect to its central axis of rotation and with respect to the axis of the arm identical to those of the satellite roller.
  • a main object of the present invention is to develop a device for feeding a processing unit with a continuous web support.
  • a second objective is to provide a device for higher speeds for feeding the carrier and for processing the subsequent carrier.
  • a third objective is to make more precise the longitudinal and lateral register of the support between the supply and the transformation, thanks to a station comprising a feeding device.
  • a fourth objective is to design a device for a feed station avoiding the problems of the state of the art.
  • Still another object is to provide a packaging production machine incorporating a feed station and a web support processing unit, transforming the carrier intermittently.
  • a device for feeding a processing unit with a continuous web support.
  • the transformation unit transforms the media into a continuous band at a standstill.
  • the device comprises:
  • a main electric drive motor rotating the main driving roller, a satellite roller, able to oscillate around this main drive roller, from upstream to downstream, and vice versa; downstream, and
  • the continuous web support is engaged and maintained between this main drive roller and this satellite roller.
  • the continuous web support cyclically moves from a constant speed to a zero speed, and vice versa from a zero speed to a constant speed, at the exit of the satellite roll.
  • the device is characterized in that the two lateral levers are secured to this main shaft.
  • the device is also characterized in that it comprises at least one electric drive secondary motor, able to oscillate the main shaft, the two lateral levers and the satellite roller.
  • upstream and downstream directions are defined with reference to the direction of travel of the continuous web support, in the longitudinal direction, before, inside and after respectively the feed device, the station feed, and the processing unit.
  • the rod mechanism of the state of the art is replaced by one or more secondary engines.
  • the counterweight has been removed, which reduces the inertia of the satellite roller and all moving parts.
  • the device has improved ergonomics, requiring little maintenance of moving parts. Due to the removal of many mechanical parts, the device and the station are less noisy and more reliable.
  • the device requires only a few adjustments, which avoids wasting tape media.
  • the changes of work and the set of adjustments are done by driving the main engine and the secondary engine (s).
  • Such a control makes it possible in particular to modify the speed of displacement of the support in band, the frequency and the amplitude of the oscillations of the satellite roller.
  • the data relating to these adjustments can be memorized and easily recalled for the execution of identical works.
  • the format is adjusted instantaneously by increasing or decreasing the amplitude of the oscillations.
  • the web support undergoes an acceleration in the longitudinal direction and not transversely as in the documents of the state of the art. Due to the compactness of the device, the length of the tape medium is reduced between the input of this device and the input of the transformation unit. This makes it possible to reduce the errors of positioning of the support in band, both longitudinally and laterally. This also makes it possible to reduce the aerodynamic phenomena occurring on the support strip which parasitize its trajectory.
  • the feeder is completely decoupled from the feed unit transformation, which makes it possible to control it in speed, in cadence, in format, etc., in a way different from this unit of transformation and thus to obtain more flexibility of use.
  • a station for feeding a processing unit with a continuous web support the transforming unit transforming the support stationary, is characterized in that it comprises a device having one or many of the technical features described below and claimed.
  • a packaging production machine is characterized in that it comprises a feed station, as described below and claimed, positioned upstream of a processing unit under the shape of a platen cutting press.
  • FIG. 1 represents a synoptic side view of a feed station according to the invention, placed upstream of a platen cutting press;
  • FIG. 2 represents a partial perspective view of a feed device present in the feed station of FIG. 1;
  • FIG. 3 shows a partial side view of the device of Figure 2;
  • - Figure 4 shows a partial sectional view along the vertical plane IV - IV of the device of Figure 3; and - Figure 5 shows a partial sectional view along a vertical plane V - V of the device of Figure 3.
  • a packaging production machine (1) comprises in particular a feed station (2) and a processing unit, which is in this case a platen cutting press (3).
  • the packaging production machine (1) Upstream of the feed station (2), the packaging production machine (1) has, as an example, printing units, as well as means for controlling the quality and the register.
  • the feed station (2) receives upstream a material or a continuous web support, which is in this case cardboard (4), arriving with a constant speed.
  • the feed station (2) delivers the same strip (4) downstream to the platen press (3) with an intermittent speed.
  • the platen press (3) cuts the web (4) and delivers webs (5).
  • the direction of advance or scroll (arrow F in Figure 1) of the strip (4) and poses (5) in the longitudinal direction indicates the upstream direction and the downstream direction.
  • the feed station (2) can comprise, in order, from upstream to downstream:
  • a lateral band guide (6) used to correct if necessary the lateral register of the band (4);
  • a traveling roller (7) designed to keep the tension of the belt constant
  • the device (9) comprises a driving main roller (12) rotating (arrow T in Figures 1, 2 and 3) on a main shaft (13).
  • the main shaft (13) and thus the main roller (12) are mounted substantially horizontally and perpendicular to the direction of travel of the strip (4).
  • the main roll (12) thus continuously drives the web (4) from upstream to downstream.
  • An electric drive main motor (14) rotates (T) the drive roller (12).
  • a satellite roller (16) is mounted while being parallel to the main roller (12).
  • the web (4) is engaged between the main roll (12) and the satellite roll (16) and is held there while being drivable (F) in the forward direction (see also the visible dashed line in Figures 1 and 3).
  • the strip (4) forms a path that is about three-quarters of a turn of the main roll (12) and half a turn of the satellite roll (16).
  • the satellite roller (16) is able to oscillate (arrow O in Figures 1, 2 and 3) around the main drive roller (12), from upstream to downstream, and vice versa from the downstream to the upstream. Two extreme positions of the satellite roller (16) are shown in dashed lines in Figure 1.
  • the oscillation frequency (O) of the satellite roll (16) causes speed variations of the band (4).
  • the band (4) can cyclically go from a constant speed (F) to a zero speed, and vice versa, from a zero speed to a constant speed (F).
  • F constant speed
  • O frequency of the oscillations
  • the angular amplitude of the oscillations (O) of the satellite roller (16) generates different lengths of strip (4) introduced into the press (3). These lengths and therefore the angular amplitude of the oscillations (O) are chosen according to the format to be cut by the press (3) downstream. As an indication, the angular amplitude varies from ⁇ 9 ° to ⁇ 24 °.
  • the satellite roller (16) rotates in two bearings (17).
  • the two satellite bearings (17) are located at each end of the satellite roller (16).
  • the two satellite bearings (17) are each inserted in two lateral levers (18), thus located at each end of the satellite roller (16).
  • the two lateral levers (18) are mounted on and are secured to the main shaft (13).
  • the main shaft (13) is designed similarly to a stiffness or anti-torsion bar or cross member, so as to withstand significant stresses due to oscillations (O) and the weight of the satellite roller (16) and both side levers (18). The moving mass is thus reduced because it is arranged directly on the oscillation axis (O).
  • This anti-torsion cross is located closer to the axis of rotation, thus avoiding other deported inertia.
  • the main shaft (13), the two side levers (18) and the satellite roller (16) are driven from one or both ends, with very little biasing of the satellite roller (16).
  • the device (9) is very rigid with a low inertia in motion.
  • the device (9) comprises at least one electric drive secondary motor (19), able to oscillate (O) the main shaft (13), the two lateral levers (18) and the satellite roller (16).
  • the secondary motor or motors (19) may preferably be mounted coaxial with the main shaft (13).
  • the rotor of the secondary motor (19) can be secured to the main shaft (13).
  • the stator of the secondary motor (19) can be secured to the frame (22). This simplified construction makes it possible to eliminate the hyperstatism and to further reduce the number of bearings.
  • the device (9) may comprise two secondary motors, which may be able to rotate the main shaft (13), the two lateral levers (18) and the satellite roller (16). These two secondary motors can be arranged at each of the two ends of this main shaft (13). This solution is advantageous to avoid biasing one side of the main shaft (13) relative to the other side.
  • the main shaft (13) rotates in two bearings (21).
  • the two shaft bearings (21) are located at each end of the main shaft (13).
  • the two shaft bearings (21) are each inserted into a side face of the frame (22).
  • the main drive roller (12) rotates in two main bearings (23).
  • the two main bearings (23) are located at each end of the main roller (12).
  • the two main bearings (23) are each inserted on the main shaft (13).
  • the aerodynamic characteristics related to the path of the web (4) around the main roller (12) and the satellite roller (16) are improved.
  • the web (4) is held pressed against the main roll (12) and the satellite roll (16).
  • the voltage variations of the band (4) have been greatly reduced.
  • the design of the device (9) also makes it possible to reduce the length of free band (4) between the device (9) and the modulated introduction roller (11).
  • the main driving roller (12) may advantageously have a crown or a main gear (24) formed at one of its ends.
  • the satellite roller (16) may also have a crown or a satellite gear (26) formed at one of its ends. This satellite ring gear (26) meshes with the main ring gear (24).
  • the advantage of these toothed rings (24 and 26) is that the disturbances related to the inertia of the satellite roller (16), which accelerates and decelerates, are taken up by the driving of the main drive roller (12) and are thus not transmitted to the band (4).
  • the main electric drive motor (14) can advantageously have a pinion (27) and drive it in rotation (arrow R in Figure 3) via its motor shaft (28).
  • the drive shaft (28) is held by and rotates in a bearing (29).
  • This pinion (27) meshes with the main ring gear (24), which causes rotation (T) the main drive roll (12).
  • the drive of the main drive roller (12) is radially offset in a cascade of gears (24 and 27) and allows the anti-torsion beam to pass through the main drive roller (12). in the form of the main shaft (13).
  • the cascade of gears (24, 26 and 27) and the motors (14 and 19) are arranged "opposite conductive side" (COC), that is to say right, relative to in the direction of travel of the strip (4), in the longitudinal direction.
  • the device (9) may very preferably further comprise a pressure roller (31), positioned against the main drive roller (12).
  • the band (4) is thus maintained further by this pressure roller (31).

Landscapes

  • Advancing Webs (AREA)
  • Making Paper Articles (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)

Abstract

The present invention relates to a device for supplying power to a conversion unit with a continuous strip substrate, the conversion unit converting the substrate to the stop mechanism, including: - a main drive roller (12) that rotates (T) about a main shaft (13), - a main electric drive motor (14) that rotates (T) the main roller (12), - a satellite roller (16) capable of oscillating (O) around said main roller (12) from upstream to downstream and vice versa, and - two side levers (18) that support the satellite roller (16) and which are mounted onto said main shaft (13). The mounting is coupled with and supported between said main roller (12) and said satellite roller (16) and goes cyclically from a constant speed to zero speed at the output of the satellite roller (16) and vice versa. Both side levers (18) are rigidly connected to said main shaft (13). The device (9) includes at least one secondary electric drive motor (19) that is capable of oscillating (O) the main shaft (13), the two side levers (18), and the satellite roller (16).

Description

DISPOSITIF D'ALIMENTATION D'UNE UNITÉ DE TRANSFORMATION AVEC UN SUPPORT EN BANDE CONTINUE POUR UNE STATION DEVICE FOR SUPPLYING A TRANSFORMATION UNIT WITH A CONTINUOUS BAND SUPPORT FOR A STATION
D'ALIMENTATION DANS UNE MACHINE DE PRODUCTION D'EMBALLAGESFEEDING IN A PACKAGING PRODUCTION MACHINE
La présente invention concerne un dispositif pour alimenter une unité de transformation avec un support en bande continue. L'invention se rapporte également à une station pour alimenter une unité de transformation avec un support en bande continue, l'unité de transformation transformant le support à l'arrêt. Une telle station comprend un dispositif d'alimentation selon la présente invention. Une telle unité de transformation du support est une presse de découpage à platine ou encore une platine d'impression. L'invention concerne enfin une machine de production d'emballages, intégrant une station d'alimentation avec un support en bande continue et une unité de transformation du support subséquente.The present invention relates to a device for feeding a processing unit with a continuous web support. The invention also relates to a station for supplying a transformation unit with a continuous band support, the transformation unit transforming the support stationary. Such a station comprises a feeding device according to the present invention. Such a processing unit of the support is a platen cutting press or a platen printing. The invention also relates to a packaging production machine, integrating a feed station with a continuous web support and a subsequent support processing unit.
Une machine de production d'emballages est destinée à la fabrication de boîtes, qui seront aptes à former des emballages, par pliage et collage. Dans une machine de production d'emballages, la production démarre à partir d'un support continu initial, c'est-à-dire une bande vierge, par exemple du carton, qui est déroulée de manière continue, imprimée par un ou plusieurs groupes imprimeurs, éventuellement gaufrée, puis découpée dans une presse de découpage à platine.A packaging production machine is intended for the manufacture of boxes, which will be able to form packaging, by folding and gluing. In a packaging production machine, the production starts from an initial continuous medium, that is to say a blank tape, for example cardboard, which is unrolled continuously, printed by one or more groups printers, possibly embossed, then cut into a platen cutting press.
Les poses ou les boîtes obtenues sont ensuite mises en nappes, avant d'être empilées par rangées pour former des piles dans une station de réception et de palettisation, en vue de leur stockage ou de leur transport hors de la machine de production.The poses or boxes obtained are then tabled, before being stacked in rows to form stacks in a receiving and palletizing station, for storage or transport out of the production machine.
Une presse de découpage à platine ou une platine d'impression est une unité de transformation qui nécessite un arrêt momentané du défilement du support pendant la transformation. En raison de l'alimentation continue en amont, il se produit, une accumulation du support sous la forme d'une boucle amont.A platen cutting press or a platen is a transformation unit that requires a temporary stop of the scrolling of the support during the transformation. Due to the continuous feed upstream, there is an accumulation of support in the form of an upstream loop.
Une station d'alimentation sert tout d'abord à mettre en registre longitudinal et latéral l'impression avec la découpe. L'autre fonction de la station d'alimentation est de créer cycliquement et de maîtriser en permanence cette boucle qui s'allonge pendant l' arrêt dû au travail de la presse, et qui se raccourcit dès que l'alimentation de la presse reprend en vue de la transformation subséquente. La station d'alimentation transforme le défilement continu du support en un défilement intermittent, à chaque cycle de travail de l'unité de transformation, tout en maintenant une tension constante du support au niveau du contrôle de boucle.A feeding station serves firstly to register the printing with the cutout longitudinally and laterally. The other function of the feed station is to cyclically create and continuously control this loop which is lengthened during the stoppage due to the work of the press, and which is shortened as soon as the food of the press resumes with a view to the subsequent transformation. The Feed Station transforms the continuous scrolling of the media into intermittent scrolling at each work cycle of the transformation unit, while maintaining a constant media tension at the loop control level.
Etat de la techniqueState of the art
Dans une station d'alimentation, il est connu de monter un agencement conduisant le support autour de la circonférence d'un rouleau excentré monté entre deux plateaux rotatifs, comme cela est par exemple décrit, dans les documents CH- 602.462 et CH- 618.660.In a feed station, it is known to mount an arrangement carrying the support around the circumference of an eccentric roller mounted between two rotary plates, as described for example in documents CH-602.462 and CH-618.660.
On connaît également d'après le document EP- 742.170 un dispositif d'alimentation d'une station avec un support, la station travaillant le support à l'arrêt. Ce dispositif comprend un premier rouleau, appelé rouleau d'entraînement, également connu sous la dénomination de cylindre d'appel ou commande sensible, autour duquel oscille cycliquement, vers l'amont puis vers l'aval, un second rouleau, appelé rouleau satellite. Le rouleau satellite est monté sur deux leviers latéraux pivotant sur l'axe du rouleau d'entraînement. Le pignon d'entraînement du rouleau satellite est engrené avec une roue dentée solidaire de l'axe du premier rouleau d'entraînement. Une bielle est accrochée au moyen d'un palier sur l'axe du rouleau satellite et permet de tirer ce dernier cycliquement d'amont en aval.It is also known from EP-742 170 a device for feeding a station with a support, the station working the support stationary. This device comprises a first roller, called a drive roller, also known as the call cylinder or sensitive control, around which oscillates cyclically, upstream and downstream, a second roller, called satellite roller. The satellite roller is mounted on two lateral levers pivoting on the axis of the drive roller. The drive gear of the satellite roller is meshing with a toothed wheel integral with the axis of the first drive roller. A rod is hooked by means of a bearing on the axis of the satellite roller and allows the latter to be pulled cyclically from upstream to downstream.
Ce dispositif comprend de plus un contrepoids, entraîné en rotation par un pignon à partir de la roue dentée de l'axe du premier rouleau d'entraînement. Le contrepoids est monté sur un bras pivotant autour de l'axe du premier rouleau d'entraînement. Le contrepoids est relié par un mécanisme aux leviers pour osciller en sens inverse du rouleau satellite. Le contrepoids permet de compenser la traction de la bielle sur l'axe du rouleau satellite. Le contrepoids présente des moments d'inertie par rapport à son axe de rotation central et par rapport à l'axe du bras identiques à ceux du rouleau satellite.This device further comprises a counterweight, driven in rotation by a pinion from the toothed wheel of the axis of the first drive roller. The counterweight is mounted on an arm pivotable about the axis of the first drive roller. The counterweight is connected by a mechanism to the levers to oscillate in the opposite direction of the satellite roller. The counterweight makes it possible to compensate the traction of the connecting rod on the axis of the satellite roller. The counterweight has moments of inertia with respect to its central axis of rotation and with respect to the axis of the arm identical to those of the satellite roller.
Cependant, un tel dispositif présente l'inconvénient de nécessiter la présence d'un mécanisme supplémentaire pour lier la platine à la bielle du dispositif. Ce mécanisme ralentit l'ensemble du dispositif d'alimentation. La présence d'un contrepoids confère une inertie importante à l'ensemble possédant le rouleau satellite. De plus, des pertes de registre surviennent entre l'entrée de la station d'alimentation et la transformation par découpage qui suit, en raison des nombreuses pièces mécaniques impliquées. Ces constructions existantes se dérèglent et s'usent également assez rapidement, ce qui conduit à des bourrages du support dans la station d'alimentation et dans l'unité de transformation.However, such a device has the disadvantage of requiring the presence of an additional mechanism for connecting the plate to the connecting rod of the device. This mechanism slows down the entire feeder. The presence of a counterweight gives a significant inertia to all possessing the satellite roller. In addition, register losses occur between the input of the feed station and the transformation by following cutting, because of the many mechanical parts involved. These existing constructions are also deregulated and worn out fairly quickly, which leads to jams of the support in the feed station and in the processing unit.
Exposé de l'inventionPresentation of the invention
Un objectif principal de la présente invention consiste à mettre au point un dispositif pour alimenter une unité de transformation avec un support en bande continue. Un deuxième objectif est de réaliser un dispositif permettant des vitesses plus élevées pour l'alimentation du support et pour la transformation du support ultérieure. Un troisième objectif est de rendre plus précis le registre longitudinal et latéral du support entre l'alimentation et la transformation, grâce à une station comprenant un dispositif d'alimentation. Un quatrième objectif est celui de concevoir un dispositif pour une station d'alimentation évitant les problèmes de l'état de la technique. Un autre objectif encore est celui de réaliser une machine de production d'emballages intégrant une station d'alimentation et une unité de transformation du support en bande, transformant le support de manière discontinue.A main object of the present invention is to develop a device for feeding a processing unit with a continuous web support. A second objective is to provide a device for higher speeds for feeding the carrier and for processing the subsequent carrier. A third objective is to make more precise the longitudinal and lateral register of the support between the supply and the transformation, thanks to a station comprising a feeding device. A fourth objective is to design a device for a feed station avoiding the problems of the state of the art. Still another object is to provide a packaging production machine incorporating a feed station and a web support processing unit, transforming the carrier intermittently.
Un dispositif selon l'invention est prévu pour alimenter une unité de transformation avec un support en bande continue. L'unité de transformation transforme le support en bande continue à l'arrêt. Le dispositif comprend :A device according to the invention is provided for feeding a processing unit with a continuous web support. The transformation unit transforms the media into a continuous band at a standstill. The device comprises:
- un rouleau principal d'entraînement tournant sur un arbre principal,a main driving roller rotating on a main shaft,
- un moteur principal d'entraînement électrique, entraînant en rotation le rouleau principal d'entraînement, - un rouleau satellite, apte à osciller autour de ce rouleau principal d'entraînement, de l'amont vers l'aval, et réciproquement de l'aval vers l'amont, eta main electric drive motor, rotating the main driving roller, a satellite roller, able to oscillate around this main drive roller, from upstream to downstream, and vice versa; downstream, and
- deux leviers latéraux, maintenant le rouleau satellite, et montés sur cet arbre principal.- two lateral levers, now the satellite roller, and mounted on this main shaft.
Le support en bande continue est engagé et maintenu entre ce rouleau principal d'entraînement et ce rouleau satellite. Le support en bande continue passe de manière cyclique d'une vitesse constante à une vitesse nulle, et réciproquement d'une vitesse nulle à une vitesse constante, à la sortie du rouleau satellite. - A -The continuous web support is engaged and maintained between this main drive roller and this satellite roller. The continuous web support cyclically moves from a constant speed to a zero speed, and vice versa from a zero speed to a constant speed, at the exit of the satellite roll. - AT -
Conformément à un aspect de la présente invention, le dispositif est caractérisé en ce que les deux leviers latéraux sont solidarisés à cet arbre principal. Le dispositif est également caractérisé en ce qu'il comprend au moins un moteur secondaire électrique d'entraînement, apte à faire osciller l'arbre principal, les deux leviers latéraux et le rouleau satellite.According to one aspect of the present invention, the device is characterized in that the two lateral levers are secured to this main shaft. The device is also characterized in that it comprises at least one electric drive secondary motor, able to oscillate the main shaft, the two lateral levers and the satellite roller.
Dans l'ensemble de la description, les sens amont et aval sont définis en faisant référence au sens de défilement du support en bande continue, suivant la direction longitudinale, avant, à l'intérieur et après respectivement le dispositif d'alimentation, la station d'alimentation, et l'unité de transformation.Throughout the description, the upstream and downstream directions are defined with reference to the direction of travel of the continuous web support, in the longitudinal direction, before, inside and after respectively the feed device, the station feed, and the processing unit.
Autrement dit, le mécanisme à bielle de l'état de la technique est remplacé par un ou plusieurs moteurs secondaires. Par rapport au document de l'état de l'état de la technique, le contrepoids a été supprimé, ce qui permet de réduire l'inertie du rouleau satellite et de l'ensemble des pièces en mouvement. Le dispositif présente une ergonomie améliorée, ne nécessitant que peu d'entretien des pièces mobiles. En raison de la suppression de nombreuses pièces mécaniques, le dispositif et la station sont moins bruyants et plus fiables.In other words, the rod mechanism of the state of the art is replaced by one or more secondary engines. Compared to the state of the art document, the counterweight has been removed, which reduces the inertia of the satellite roller and all moving parts. The device has improved ergonomics, requiring little maintenance of moving parts. Due to the removal of many mechanical parts, the device and the station are less noisy and more reliable.
Le dispositif ne demande que peu de réglages, ce qui permet d'éviter de gâcher du support en bande. Les changements de travail et l'ensemble des ajustements, se font par pilotage du moteur principal et du ou des moteurs secondaires. Un tel pilotage permet notamment de modifier la vitesse de déplacement du support en bande, la fréquence et l'amplitude des oscillations du rouleau satellite. Les données relatives à ces ajustements peuvent être mémorisées et facilement rappelées pour l'exécution de travaux identiques. A titre d'exemple, le réglage du format se fait instantanément par augmentation ou diminution de l'amplitude des oscillations.The device requires only a few adjustments, which avoids wasting tape media. The changes of work and the set of adjustments, are done by driving the main engine and the secondary engine (s). Such a control makes it possible in particular to modify the speed of displacement of the support in band, the frequency and the amplitude of the oscillations of the satellite roller. The data relating to these adjustments can be memorized and easily recalled for the execution of identical works. By way of example, the format is adjusted instantaneously by increasing or decreasing the amplitude of the oscillations.
Le support en bande subit une accélération dans le sens longitudinal et non transversalement comme dans les documents de l'état de la technique. En raison de la compacité du dispositif, la longueur du support en bande se trouve réduite entre l'entrée de ce dispositif et l'entrée de l'unité de transformation. Ceci permet de diminuer les erreurs de positionnement du support en bande, tant longitudinalement que latéralement. Ceci permet également de réduire les phénomènes aérodynamiques survenant sur le support en bande qui parasitent sa trajectoire.The web support undergoes an acceleration in the longitudinal direction and not transversely as in the documents of the state of the art. Due to the compactness of the device, the length of the tape medium is reduced between the input of this device and the input of the transformation unit. This makes it possible to reduce the errors of positioning of the support in band, both longitudinally and laterally. This also makes it possible to reduce the aerodynamic phenomena occurring on the support strip which parasitize its trajectory.
Le dispositif d'alimentation est complètement découplé de l'unité de transformation, ce qui permet de le piloter en vitesse, en cadence, en format, etc., de manière différente de cette unité de transformation et d'obtenir ainsi plus de souplesse d'utilisation.The feeder is completely decoupled from the feed unit transformation, which makes it possible to control it in speed, in cadence, in format, etc., in a way different from this unit of transformation and thus to obtain more flexibility of use.
Dans un autre aspect de l'invention, une station pour alimenter une unité de transformation avec un support en bande continue, l'unité de transformation transformant le support à l'arrêt, est caractérisée en ce qu'elle comprend un dispositif présentant une ou plusieurs des caractéristiques techniques décrites ci-dessous et revendiquées.In another aspect of the invention, a station for feeding a processing unit with a continuous web support, the transforming unit transforming the support stationary, is characterized in that it comprises a device having one or many of the technical features described below and claimed.
Selon un autre aspect encore de l'invention, une machine de production d'emballages est caractérisée en ce qu'elle comprend une station d'alimentation, telle que décrite ci-dessous et revendiquée, positionnée en amont d'une unité de transformation sous la forme d'une presse de découpage à platine.According to yet another aspect of the invention, a packaging production machine is characterized in that it comprises a feed station, as described below and claimed, positioned upstream of a processing unit under the shape of a platen cutting press.
Brève description des dessins L'invention sera bien comprise et ses divers avantages et différentes caractéristiques ressortiront mieux lors de la description suivante, de l'exemple non limitatif de réalisation, en référence aux dessins schématiques annexés, dans lesquels :BRIEF DESCRIPTION OF THE DRAWINGS The invention will be well understood and its various advantages and different characteristics will become more apparent in the following description, of the nonlimiting exemplary embodiment, with reference to the appended diagrammatic drawings, in which:
- la Figure 1 représente une vue latérale synoptique d'une station d'alimentation selon l'invention, placée en amont d'une presse de découpage à platine ; - la Figure 2 représente une vue en perspective partielle d'un dispositif d'alimentation présent dans la station d'alimentation de la Figure 1 ;1 represents a synoptic side view of a feed station according to the invention, placed upstream of a platen cutting press; FIG. 2 represents a partial perspective view of a feed device present in the feed station of FIG. 1;
- la Figure 3 représente une vue latérale partielle du dispositif de la Figure 2 ;- Figure 3 shows a partial side view of the device of Figure 2;
- la Figure 4 représente une vue en coupe partielle selon le plan vertical IV - IV du dispositif de la Figure 3 ; et - la Figure 5 représente une vue en coupe partielle selon un plan vertical V - V du dispositif de la Figure 3.- Figure 4 shows a partial sectional view along the vertical plane IV - IV of the device of Figure 3; and - Figure 5 shows a partial sectional view along a vertical plane V - V of the device of Figure 3.
Exposé détaillé de modes de réalisation préférésDetailed description of preferred embodiments
Comme l'illustre la Figure 1, une machine de production d'emballages (1) comprend notamment une station d'alimentation (2) et une unité de transformation, qui est dans ce cas une presse de découpage à platine (3). En amont de la station d'alimentation (2), la machine de production d'emballages (1) possède à titre d'exemple des groupes imprimeurs, ainsi que des moyens pour contrôler la qualité et le registre. La station d'alimentation (2) reçoit en amont une matière ou un support en bande continue, qui est dans ce cas du carton (4), arrivant avec une vitesse constante. La station d'alimentation (2) délivre en aval cette même bande (4) à la presse à platine (3), avec une vitesse intermittente. La presse à platine (3) découpe la bande (4) et délivre des poses (5). Le sens d'avance ou de défilement (Flèche F en Figure 1) de la bande (4) et des poses (5) suivant la direction longitudinale indique le sens amont et le sens aval.As illustrated in Figure 1, a packaging production machine (1) comprises in particular a feed station (2) and a processing unit, which is in this case a platen cutting press (3). Upstream of the feed station (2), the packaging production machine (1) has, as an example, printing units, as well as means for controlling the quality and the register. The feed station (2) receives upstream a material or a continuous web support, which is in this case cardboard (4), arriving with a constant speed. The feed station (2) delivers the same strip (4) downstream to the platen press (3) with an intermittent speed. The platen press (3) cuts the web (4) and delivers webs (5). The direction of advance or scroll (arrow F in Figure 1) of the strip (4) and poses (5) in the longitudinal direction indicates the upstream direction and the downstream direction.
De manière à assurer un fonctionnement optimal de la presse (3), la station d'alimentation (2) peut comprendre, dans l'ordre, de l'amont vers l'aval :In order to ensure optimum operation of the press (3), the feed station (2) can comprise, in order, from upstream to downstream:
- un guidage latéral de bande (6), utilisé pour corriger si nécessaire le registre latéral de la bande (4) ;a lateral band guide (6), used to correct if necessary the lateral register of the band (4);
- un rouleau baladeur (7), destiné à maintenir constante la tension de la bandea traveling roller (7), designed to keep the tension of the belt constant
(4) ;(4);
- un redresseur de bande (8), également connu sous la dénomination anglaise de « decurler » ; - un dispositif dit « de commande de boucle » (9), décrit en détail ci-dessous ; et- a tape straightener (8), also known by the English name of "decurler"; a so-called "loop control" device (9), described in detail below; and
- un rouleau d'introduction modulé (11), apte à réguler la tension de la bande (4) et garantir l'introduction de la bande (4) à l'entrée dans la presse (3).- A modulated introduction roller (11), adapted to regulate the tension of the strip (4) and ensure the introduction of the strip (4) at the entrance to the press (3).
Selon l'invention, le dispositif (9) comprend un rouleau principal d'entraînement (12) tournant (Flèche T en Figures 1, 2 et 3) sur un arbre principal (13). L'arbre principal (13) et ainsi le rouleau principal (12) sont montés sensiblement à l'horizontal et perpendiculairement au sens de défilement de la bande (4). Le rouleau principal (12) entraîne ainsi en continu la bande (4) de l'amont vers l'aval. Un moteur principal électrique d'entraînement (14) entraîne en rotation (T) le rouleau d'entraînement (12).According to the invention, the device (9) comprises a driving main roller (12) rotating (arrow T in Figures 1, 2 and 3) on a main shaft (13). The main shaft (13) and thus the main roller (12) are mounted substantially horizontally and perpendicular to the direction of travel of the strip (4). The main roll (12) thus continuously drives the web (4) from upstream to downstream. An electric drive main motor (14) rotates (T) the drive roller (12).
Un rouleau satellite (16) est monté en étant accolé parallèlement au rouleau principal (12). La bande (4) est engagée entre le rouleau principal (12) et le rouleau satellite (16), et elle y est maintenue, tout en pouvant être entraînée (F) selon le sens d'avance (voir également le trajet visible en pointillés en Figures 1 et 3). La bande (4) forme un trajet qui fait environ les trois-quarts de tour du rouleau principal (12) et la moitié de tour du rouleau satellite (16). Le rouleau satellite (16) est apte à osciller (Flèche O en Figures 1, 2 et 3) autour du rouleau principal d'entraînement (12), de l'amont vers l'aval, et réciproquement de l'aval vers l'amont. Deux positions extrêmes du rouleau satellite (16) sont représentées en pointillés en Figure 1. La fréquence des oscillations (O) du rouleau satellite (16) engendre des variations de vitesse de la bande (4). La bande (4) peut passer de manière cyclique d'une vitesse constante (F) à une vitesse nulle, et réciproquement, d'une vitesse nulle à une vitesse constante (F). Ces variations de vitesse et de ce fait la fréquence des oscillations (O) sont choisies en fonction de la vitesse de frappe de découpe de la presse (3) située en aval.A satellite roller (16) is mounted while being parallel to the main roller (12). The web (4) is engaged between the main roll (12) and the satellite roll (16) and is held there while being drivable (F) in the forward direction (see also the visible dashed line in Figures 1 and 3). The strip (4) forms a path that is about three-quarters of a turn of the main roll (12) and half a turn of the satellite roll (16). The satellite roller (16) is able to oscillate (arrow O in Figures 1, 2 and 3) around the main drive roller (12), from upstream to downstream, and vice versa from the downstream to the upstream. Two extreme positions of the satellite roller (16) are shown in dashed lines in Figure 1. The oscillation frequency (O) of the satellite roll (16) causes speed variations of the band (4). The band (4) can cyclically go from a constant speed (F) to a zero speed, and vice versa, from a zero speed to a constant speed (F). These speed variations and therefore the frequency of the oscillations (O) are chosen as a function of the cutting speed of the press (3) downstream.
De plus, l'amplitude angulaire des oscillations (O) du rouleau satellite (16) engendre des longueurs différentes de bande (4) introduite dans la presse (3). Ces longueurs et de ce fait l'amplitude angulaire des oscillations (O) sont choisies en fonction du format à découper par la presse (3) située en aval. A titre indicatif, l'amplitude angulaire varie de ± 9° à ± 24°.In addition, the angular amplitude of the oscillations (O) of the satellite roller (16) generates different lengths of strip (4) introduced into the press (3). These lengths and therefore the angular amplitude of the oscillations (O) are chosen according to the format to be cut by the press (3) downstream. As an indication, the angular amplitude varies from ± 9 ° to ± 24 °.
Le rouleau satellite (16) tourne dans deux paliers (17). Les deux paliers satellites (17) sont situés à chacune des extrémités du rouleau satellite (16). Les deux paliers satellites (17) sont chacun insérés dans deux leviers latéraux (18), situés ainsi à chacune des extrémités du rouleau satellite (16).The satellite roller (16) rotates in two bearings (17). The two satellite bearings (17) are located at each end of the satellite roller (16). The two satellite bearings (17) are each inserted in two lateral levers (18), thus located at each end of the satellite roller (16).
Les deux leviers latéraux (18) sont montés sur et sont solidarisés à l'arbre principal (13). L'arbre principal (13) est conçu de manière analogue à une barre ou une traverse de rigidité ou anti-torsion, de façon à supporter des contraintes importantes dues aux oscillations (O) et au poids du rouleau satellite (16) et des deux leviers latéraux (18). La masse en mouvement est ainsi réduite, car elle est disposée directement sur l'axe d'oscillation (O).The two lateral levers (18) are mounted on and are secured to the main shaft (13). The main shaft (13) is designed similarly to a stiffness or anti-torsion bar or cross member, so as to withstand significant stresses due to oscillations (O) and the weight of the satellite roller (16) and both side levers (18). The moving mass is thus reduced because it is arranged directly on the oscillation axis (O).
Cette traverse anti-torsion est située au plus près de l'axe de rotation, évitant ainsi d'autres inerties déportées. L'arbre principal (13), les deux leviers latéraux (18) et le rouleau satellite (16) sont entraînés depuis une seule ou les deux extrémités, avec très peu de biaisage du rouleau satellite (16). Le dispositif (9) est très rigide avec une faible inertie en mouvement.This anti-torsion cross is located closer to the axis of rotation, thus avoiding other deported inertia. The main shaft (13), the two side levers (18) and the satellite roller (16) are driven from one or both ends, with very little biasing of the satellite roller (16). The device (9) is very rigid with a low inertia in motion.
Le dispositif (9) comprend au moins un moteur secondaire électrique d'entraînement (19), apte à faire osciller (O) l'arbre principal (13), les deux leviers latéraux (18) et le rouleau satellite (16). Le ou les moteurs secondaires (19) peuvent être préférentiellement montés coaxiaux à l'arbre principal (13). De manière favorable, le rotor du moteur secondaire (19) peut être solidarisé à l'arbre principal (13). Le stator du moteur secondaire (19) peut être solidarisé au bâti (22). Cette construction simplifiée permet de supprimer l'hyperstatisme et de diminuer encore le nombre de roulements. Dans une autre forme de réalisation, le dispositif (9) peut comprendre deux moteurs secondaires, pouvant être aptes à entraîner en rotation l'arbre principal (13), les deux leviers latéraux (18) et le rouleau satellite (16). Ces deux moteurs secondaires peuvent être agencés à chacune des deux extrémités de cet arbre principal (13). Cette solution est avantageuse pour éviter un biaisage d'un côté de l'arbre principal (13) par rapport à l'autre côté.The device (9) comprises at least one electric drive secondary motor (19), able to oscillate (O) the main shaft (13), the two lateral levers (18) and the satellite roller (16). The secondary motor or motors (19) may preferably be mounted coaxial with the main shaft (13). Favorably, the rotor of the secondary motor (19) can be secured to the main shaft (13). The stator of the secondary motor (19) can be secured to the frame (22). This simplified construction makes it possible to eliminate the hyperstatism and to further reduce the number of bearings. In another embodiment, the device (9) may comprise two secondary motors, which may be able to rotate the main shaft (13), the two lateral levers (18) and the satellite roller (16). These two secondary motors can be arranged at each of the two ends of this main shaft (13). This solution is advantageous to avoid biasing one side of the main shaft (13) relative to the other side.
L'arbre principal (13) tourne dans deux paliers (21). Les deux paliers d'arbre (21) sont situés à chacune des extrémités de l'arbre principal (13). Les deux paliers d'arbre (21) sont chacun insérés dans une face latérale du bâti (22). Le rouleau principal d'entraînement (12) tourne dans deux paliers principaux (23).The main shaft (13) rotates in two bearings (21). The two shaft bearings (21) are located at each end of the main shaft (13). The two shaft bearings (21) are each inserted into a side face of the frame (22). The main drive roller (12) rotates in two main bearings (23).
Les deux paliers principaux (23) sont situés à chacune des extrémités du rouleau principal (12). Les deux paliers principaux (23) sont chacun insérés sur l'arbre principal (13).The two main bearings (23) are located at each end of the main roller (12). The two main bearings (23) are each inserted on the main shaft (13).
Avec le dispositif (9), les caractéristiques aérodynamiques liées au trajet de la bande (4) autour du rouleau principal (12) et du rouleau satellite (16) sont améliorées. La bande (4) est maintenue plaquée contre le rouleau principal (12) et le rouleau satellite (16). Il n'y a plus de longueur de bande (4) libre ou flottante dans le dispositif (9). Avec le dispositif (9), les variations de tension de la bande (4) ont été fortement diminuées. La conception du dispositif (9) permet également de diminuer la longueur de bande libre (4) entre le dispositif (9) et le rouleau d'introduction modulé (11).With the device (9), the aerodynamic characteristics related to the path of the web (4) around the main roller (12) and the satellite roller (16) are improved. The web (4) is held pressed against the main roll (12) and the satellite roll (16). There is no longer free or floating strip length (4) in the device (9). With the device (9), the voltage variations of the band (4) have been greatly reduced. The design of the device (9) also makes it possible to reduce the length of free band (4) between the device (9) and the modulated introduction roller (11).
Le rouleau principal d'entraînement (12) peut avantageusement posséder une couronne ou une roue dentée principale (24), ménagée à l'une de ses extrémités. De manière favorable, le rouleau satellite (16) peut également posséder une couronne ou une roue dentée satellite (26), ménagée à l'une de ses extrémités. Cette couronne dentée satellite (26) engrène avec la couronne dentée principale (24).The main driving roller (12) may advantageously have a crown or a main gear (24) formed at one of its ends. Favorably, the satellite roller (16) may also have a crown or a satellite gear (26) formed at one of its ends. This satellite ring gear (26) meshes with the main ring gear (24).
L'avantage de ces couronnes dentées (24 et 26) est que les perturbations liées à l'inertie du rouleau satellite (16), qui accélère et décélère, sont reprises par l'entraînement du rouleau principal d'entraînement (12) et ne sont ainsi pas transmises à la bande (4). Le moteur principal d'entraînement électrique (14) peut avantageusement posséder un pignon (27) et l'entraîner en rotation (Flèche R en Figure 3) via son arbre moteur (28). L'arbre moteur (28) est maintenu par et tourne dans un palier (29). Ce pignon (27) engrène avec la couronne dentée principale (24), ce qui entraîne en rotation (T) le rouleau principal d'entraînement (12). De cette manière, l'entraînement du rouleau principal d'entraînement (12) est déporté radialement en cascade d'engrenages (24 et 27) et permet de faire passer la traverse anti-torsion à travers le rouleau principal d'entraînement (12) sous la forme de l'arbre principal (13). Dans la forme de réalisation principale, la cascade d'engrenages (24, 26 et 27) et les moteurs (14 et 19) sont disposés « côté opposé conducteur » (COC), c'est-à-dire à droite, par rapport au sens de défilement de la bande (4), suivant la direction longitudinale.The advantage of these toothed rings (24 and 26) is that the disturbances related to the inertia of the satellite roller (16), which accelerates and decelerates, are taken up by the driving of the main drive roller (12) and are thus not transmitted to the band (4). The main electric drive motor (14) can advantageously have a pinion (27) and drive it in rotation (arrow R in Figure 3) via its motor shaft (28). The drive shaft (28) is held by and rotates in a bearing (29). This pinion (27) meshes with the main ring gear (24), which causes rotation (T) the main drive roll (12). In this manner, the drive of the main drive roller (12) is radially offset in a cascade of gears (24 and 27) and allows the anti-torsion beam to pass through the main drive roller (12). in the form of the main shaft (13). In the main embodiment, the cascade of gears (24, 26 and 27) and the motors (14 and 19) are arranged "opposite conductive side" (COC), that is to say right, relative to in the direction of travel of the strip (4), in the longitudinal direction.
Le dispositif (9) peut très préférentiellement comprendre en outre un rouleau presseur (31), venant se positionner contre le rouleau principal d'entraînement (12). La bande (4) est ainsi maintenue d'avantage par ce rouleau presseur (31).The device (9) may very preferably further comprise a pressure roller (31), positioned against the main drive roller (12). The band (4) is thus maintained further by this pressure roller (31).
La présente invention n'est pas limitée aux modes de réalisation décrits et illustrés. De nombreuses modifications peuvent être réalisées, sans pour autant sortir du cadre défini par la portée du jeu de revendications. The present invention is not limited to the embodiments described and illustrated. Many modifications can be made, without departing from the scope defined by the scope of the set of claims.

Claims

REVENDICATIONS
1. Dispositif pour alimenter une unité de transformation (3) avec un support en bande continue (4), l'unité de transformation (3) transformant le support (4) à l'arrêt, comprenant :Apparatus for feeding a processing unit (3) with a continuous web support (4), the processing unit (3) transforming the support (4) to a standstill, comprising:
- un rouleau principal d'entraînement (12) tournant (T) sur un arbre principala driving main roller (12) rotating (T) on a main shaft
(13),(13)
- un moteur principal électrique d'entraînement (14), entraînant en rotation (T) le rouleau principal (12),an electric main drive motor (14), rotating (T) the main roller (12),
- un rouleau satellite (16), apte à osciller (O) autour dudit rouleau principal (12), de l'amont vers l'aval, et réciproquement, eta satellite roller (16) able to oscillate (O) around said main roller (12), from upstream to downstream, and vice versa, and
- deux leviers latéraux (18), maintenant le rouleau satellite (16), et montés sur ledit arbre principal (13), le support (4) étant engagé et maintenu entre ledit rouleau principal (12) et ledit rouleau satellite (16), et passant de manière cyclique d'une vitesse constante (F) à une vitesse nulle à la sortie du rouleau satellite (16), et réciproquement, caractérisé en ce que les deux leviers latéraux (18) sont solidarisés audit arbre principal (13), et en ce qu'il comprend au moins un moteur secondaire électrique d'entraînement (19), apte à faire osciller (O) l'arbre principal (13), les deux leviers latéraux (18) et le rouleau satellite (16).- two lateral levers (18), holding the satellite roller (16), and mounted on said main shaft (13), the support (4) being engaged and held between said main roller (12) and said satellite roller (16), and cycling from a constant speed (F) to a zero speed at the exit of the satellite roller (16), and vice versa, characterized in that the two lateral levers (18) are secured to said main shaft (13), and in that it comprises at least one electric drive secondary motor (19), able to oscillate (O) the main shaft (13), the two lateral levers (18) and the satellite roller (16).
2. Dispositif selon la revendication 1, caractérisé en ce que le moteur secondaire (19) est monté coaxial à l'arbre principal (13).2. Device according to claim 1, characterized in that the secondary motor (19) is mounted coaxial with the main shaft (13).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que le rotor du moteur secondaire (19) est solidarisé à l'arbre principal (13).3. Device according to claim 1 or 2, characterized in that the rotor of the secondary motor (19) is secured to the main shaft (13).
4. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend deux moteurs secondaires, aptes à entraîner en rotation l'arbre principal (13), et agencés à chacune des deux extrémités dudit arbre principal (13). 4. Device according to any one of the preceding claims, characterized in that it comprises two secondary motors, adapted to rotate the main shaft (13), and arranged at each of the two ends of said main shaft (13).
5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le rouleau principal (12) possède une couronne dentée (24), ménagée à l'une de ses extrémités.5. Device according to any one of the preceding claims, characterized in that the main roller (12) has a ring gear (24) formed at one of its ends.
6. Dispositif selon la revendication 5, caractérisé en ce que le rouleau satellite (16) possède une couronne dentée (26), ménagée à l'une de ses extrémités, et engrenant avec la couronne dentée (24) du rouleau principal (12).6. Device according to claim 5, characterized in that the satellite roller (16) has a ring gear (26) formed at one of its ends, and meshing with the ring gear (24) of the main roller (12). .
7. Dispositif selon la revendication 5 ou 6, caractérisé en ce que le moteur principal d'entraînement électrique (14) possède un pignon (27), engrenant avec la couronne dentée (24) du rouleau principal (12).7. Device according to claim 5 or 6, characterized in that the main drive motor (14) has a pinion (27) meshing with the ring gear (24) of the main roller (12).
8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend en outre un rouleau presseur (31), venant se positionner contre le rouleau principal (12).8. Device according to any one of the preceding claims, characterized in that it further comprises a pressure roller (31), being positioned against the main roller (12).
9. Station pour alimenter une unité de transformation (3) avec un support en bande continue (4), l'unité de transformation (3) transformant le support (4) à l'arrêt, caractérisée en ce qu'elle comprend un dispositif selon l'une quelconque des revendications précédentes.9. Station for feeding a processing unit (3) with a continuous web support (4), the processing unit (3) transforming the support (4) at a standstill, characterized in that it comprises a device according to any one of the preceding claims.
10. Station selon la revendication 9, caractérisée en ce qu'elle comprend, de l'amont vers l'aval, un guidage latéral de bande (6), un rouleau baladeur (7), un redresseur de support en bande (8), le dispositif (9) et un rouleau d'introduction modulé (11).10. Station according to claim 9, characterized in that it comprises, from upstream to downstream, a lateral web guiding (6), a sliding roller (7), a support straightener band (8) , the device (9) and a modulated introduction roller (11).
11. Machine de production d'emballages, caractérisée en ce qu'elle comprend une station (2) selon la revendication 9 ou 10, positionnée en amont d'une unité de transformation sous la forme d'une presse de découpage à platine (3). 11. Packaging production machine, characterized in that it comprises a station (2) according to claim 9 or 10, positioned upstream of a processing unit in the form of a platen cutting press (3). ).
EP20090748718 2008-12-04 2009-11-06 Device for supplying a processing unit with a continuous-strip support for a supply station in a packaging production machine Active EP2356052B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL09748718T PL2356052T3 (en) 2008-12-04 2009-11-06 Device for supplying a processing unit with a continuous-strip support for a supply station in a packaging production machine
EP20090748718 EP2356052B1 (en) 2008-12-04 2009-11-06 Device for supplying a processing unit with a continuous-strip support for a supply station in a packaging production machine

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08021034 2008-12-04
PCT/EP2009/007960 WO2010063353A1 (en) 2008-12-04 2009-11-06 Device for supplying power to a conversion unit with a continuous strip substrate for a power supply station in a packaging production machine
EP20090748718 EP2356052B1 (en) 2008-12-04 2009-11-06 Device for supplying a processing unit with a continuous-strip support for a supply station in a packaging production machine

Publications (2)

Publication Number Publication Date
EP2356052A1 true EP2356052A1 (en) 2011-08-17
EP2356052B1 EP2356052B1 (en) 2015-04-08

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EP20090748718 Active EP2356052B1 (en) 2008-12-04 2009-11-06 Device for supplying a processing unit with a continuous-strip support for a supply station in a packaging production machine

Country Status (9)

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US (1) US8733222B2 (en)
EP (1) EP2356052B1 (en)
JP (1) JP5308535B2 (en)
KR (1) KR101242777B1 (en)
CN (1) CN102239097B (en)
DK (1) DK2356052T3 (en)
ES (1) ES2539553T3 (en)
PL (1) PL2356052T3 (en)
WO (1) WO2010063353A1 (en)

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CN104626238B (en) * 2013-10-21 2016-04-20 浙江飞力科技股份有限公司 A kind of cutting machine of plastic tape of adopting guiding structure
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Also Published As

Publication number Publication date
KR20110087346A (en) 2011-08-02
US8733222B2 (en) 2014-05-27
PL2356052T3 (en) 2015-07-31
ES2539553T3 (en) 2015-07-01
US20110239598A1 (en) 2011-10-06
CN102239097B (en) 2015-03-04
EP2356052B1 (en) 2015-04-08
KR101242777B1 (en) 2013-03-12
JP5308535B2 (en) 2013-10-09
JP2012510942A (en) 2012-05-17
WO2010063353A1 (en) 2010-06-10
CN102239097A (en) 2011-11-09
DK2356052T3 (en) 2015-05-04

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