EP2205512B1 - Procédé et dispositif pour enrouler une bande de matériau - Google Patents

Procédé et dispositif pour enrouler une bande de matériau Download PDF

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Publication number
EP2205512B1
EP2205512B1 EP08804294A EP08804294A EP2205512B1 EP 2205512 B1 EP2205512 B1 EP 2205512B1 EP 08804294 A EP08804294 A EP 08804294A EP 08804294 A EP08804294 A EP 08804294A EP 2205512 B1 EP2205512 B1 EP 2205512B1
Authority
EP
European Patent Office
Prior art keywords
spool
drive
reel
pressing
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.)
Not-in-force
Application number
EP08804294A
Other languages
German (de)
English (en)
Other versions
EP2205512A2 (fr
Inventor
Werner Leitenberger
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2205512A2 publication Critical patent/EP2205512A2/fr
Application granted granted Critical
Publication of EP2205512B1 publication Critical patent/EP2205512B1/fr
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • B65H18/08Web-winding mechanisms
    • B65H18/26Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00Changing the web roll
    • B65H19/22Changing the web roll in winding mechanisms or in connection with winding operations
    • B65H19/2238The web roll being driven by a winding mechanism of the nip or tangential drive type
    • B65H19/2253The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being displaced during the winding operation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/414Winding
    • B65H2301/4146Winding involving particular drive arrangement
    • B65H2301/41466Winding involving particular drive arrangement combinations of drives
    • B65H2301/41468Winding involving particular drive arrangement combinations of drives centre and nip drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00Power transmission; Driving means
    • B65H2403/90Machine drive
    • B65H2403/94Other features of machine drive
    • B65H2403/944Multiple power sources for one mechanism
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2408/00Specific machines
    • B65H2408/20Specific machines for handling web(s)
    • B65H2408/23Winding machines
    • B65H2408/237Winding machines with substantially continuous horizontal movement of roll support, e.g. Metso-Type

Definitions

  • the invention relates to a method for winding a material web, in particular paper, cardboard or tissue web, on a spool, wherein the web fed to the spool via a carrier drum and between the carrier drum and the spool or the winding to be formed thereon a winding nip and in this a line force is generated.
  • the invention relates to a winding device suitable for carrying out this method according to the preamble of claim 3.
  • the line force generated in the winding nip is influenced by the drum weight, which leads to a displacement of the primary layers, a corresponding loss of volume and a correspondingly higher rejects.
  • the Tambour bebiegung line force deviations in the transverse direction If the drum weight is compensated, for example, by a force attack on the edge in the primary winding, the tambour bend line results in a higher line force in the machine center.
  • the secondary winding a reverse effect occurs. In the transfer of force from the primary to the secondary winding, a line force peak occurs, through which the primary layers can be pushed, which in turn leads to a corresponding loss of volume and a higher rejection.
  • the spool can be coupled in a primary winding phase with a first and in a secondary winding phase with a second motor. Furthermore, a force transfer from the primary pressing to the secondary pressing is required, which results in a line force peak in the winding gap can bring, which can again lead to a displacement of the primary layers, a corresponding loss of volume and a correspondingly higher rejects.
  • the line force peak occurring during the transition from the primary winding phase into the secondary winding phase is counteracted, inter alia, by the fact that the carrier drum is mounted axially inside and independently of the primary arms and a corresponding fault diagnosis is carried out on the basis of the measured line forces.
  • a respective new or empty bambour can only be inserted if the full tambour already has a correspondingly large diameter.
  • the wound drum must be guided away from the carrier drum, which means that a free winding is required or the web must be re-listed.
  • the real reason for a center drive is to wind the web with as little line force as possible to maintain the volume. Due to the unfavorable effective direction of the line force, the advantage of the center drive is mostly nullified in the present case. Apart from the extremely unfavorable contact conditions in the Anwickelphase gives way the line force direction thus strongly on the load direction. The component acting as a line force is thus difficult to control.
  • the empty drum initially held by primary arms in a first position above the suspension drum mounted on a carrier and brought in this first position via a prime mover to the peripheral speed of the carrier drum. Then we lowered the empty spool through the primary arms in a second position, brought to form the winding nip with the carrier drum in contact and driven by this carrier drum. While the drum still occupies this second position and is driven by the carrier drum, the paper web is already transferred to the carrier drum. Following this Anwickelphase the already wound drum is then lowered over the primary arms further on horizontal rails and passed to this adjacent linearly movable secondary system over which the supported on the rails spool is horizontally displaceable at further increasing winding.
  • WO 94/26641 A discloses a device or a method according to the preamble of Anpruchs 3 or claim 1.
  • the carrier drum is generally vertically movable. For winding the carrier drum assumes an initial position obliquely above the carrier drum, resulting in a counter to the web running direction relative to the vertical inclined first effective direction of the line force generated in the winding nip.
  • the spool After the winding formed on the spool has reached a certain diameter, the spool is displaced from the initial position to a second position, in which results in a direction of web travel relative to the vertical inclined second effective direction of the line force generated in the winding nip. With increasing diameter of the resulting on the spool winding of the spool is shifted horizontally. About the generally vertically movable carrier drum, the amount of line force is adjustable.
  • an empty drum is lowered into a horizontally movable carriage pair and brought by means of a belt drive to the same peripheral speed as a carrier drum.
  • a gear center drive is engaged, pivoted the belt drive and easily applied to the drum to form a winding nip on the carriage pair to the carrier drum.
  • the carrier drum is fed to the paper web, whereby the winding process begins.
  • the winding quality is determined exclusively by a corresponding control of the center drive, without the resulting winding is pressed against the carrier drum. On the generation of a line force in the winding nip is therefore omitted. Hissing the winding and the carrying drum should at most still create a low pressing force serving to avoid air inclusions.
  • the invention has for its object to provide an improved method and an improved device of the type mentioned, in which the aforementioned disadvantages are eliminated.
  • this object is achieved in that the effective direction of the line force generated in the winding nip is maintained at least substantially constant throughout the winding structure.
  • the spool and thus the winding to be formed thereon are pressed against the carrier drum during the entire winding structure via one and the same pressing unit. It is particularly advantageous if the spool is driven during the entire winding structure on one and the same center drive system.
  • Such a winding method which is wound with a constant line force direction and only one Anpresssystem and only one center drive per winding roller, is particularly suitable for winding tissue paper. It is especially ensured that the position of the main cylinder, that is in particular the vertical position relative to the carrier drum, remains constant over the entire winding process and no reversal of the drum bending line occurs and self-weight effects are excluded on the line force. Correspondingly, the line force is kept constant across the machine (cross machine direction, CD) and over the winding diameter. Since the entire winding structure takes place with only one Anpresssystem, there is no power transfer. Since the entire winding structure is done with only one center drive system or center drive, also eliminates the usual torque transfer.
  • the spool is guided so that the two mutually parallel axes of the spool and the carrier drum during the entire winding structure remain in one and the same plane, advantageously in a horizontal plane.
  • the object is achieved in that the spool and thus the winding to be formed so pressed against the carrier drum and the spool is guided so that the effective direction of the line force generated in the winding nip is maintained at least substantially constant throughout the winding structure ,
  • the spool and thus the winding to be formed thereon can be pressed against the carrier drum preferably via one and the same pressing unit during the entire winding structure. It is particularly advantageous if the spool can be driven by one and the same center drive system during the entire winding structure.
  • the spool is advantageously guided so that the two mutually parallel axes of the spool and the carrier drum during the entire winding structure remain in one and the same plane, preferably in a horizontal plane.
  • This winding device is thus particularly suitable for pressure-sensitive papers such as tissue in particular.
  • tissue volume generated by complicated processes such as creping, TAD (through-air drying) or the ATMOS drying technology remains largely intact.
  • the entire winding structure is carried out with only one Anpresssystem. There is no power transfer required during the winding process.
  • the position of the spool relative to the carrier drum remains constant over the entire winding process. There is no reversal of the Tambour bending line and thus no change in the line force distribution in the transverse direction.
  • the entire winding structure is center-driven, so that the line force level is no longer determined by the peripheral drive.
  • the tambour can be used in supports on linear guides be guided, whereby the frictional resistance is reduced to a minimum and an extremely sensitive line force control is enabled.
  • the winding device comprises two movable pressing units, via which the spool and thus the winding to be formed on each winding drum is pressed and each associated with a center drive, which includes a rotor provided with an electric motor, coaxial with the spool in Assignment to an axial end portion of the spool is positionable and can be coupled by moving the center drive in the axial direction of the spool and / or by a relative movement between a rotary drive connection of the center drive and its rotor without gear directly to the spool or a rotary drive connection associated therewith, wherein a respective spool during the entire winding structure only one of the two Anpresshowen to the carrier drum is pressed and on the other pressing unit only the next drum is pressed against the carrier drum, a respective drum 440 During the entire winding structure is guided along a line extending through the support drum axis and perpendicular to this linear path and the pressing unit in question during the entire winding structure to be moved in parallel, the
  • the spool can be guided in particular horizontally, in which case the two Anpressticianen are each moved horizontally.
  • the two pressing units each comprise two contact slides, one of which is arranged on the driver's side and the other on the drive side.
  • the center drive in question is assigned to one of the two contact carriages.
  • the Anfahrschlitten can be performed on preferably horizontal guide rails. Appropriately, they are guided by means of linear roller guides on the guide rails.
  • a driver-side and a drive-side staging are provided, wherein one of the two Anpressschlitten a respective Anpressussi on the inside of one of the two chairs and the other of the two Anpressschlitten on the outside of the other chair is guided in each case on guide rails and the center drive in question associated with the outer contact carriage.
  • a guide carriage which can be moved perpendicular to the direction of travel of the contact carriage and perpendicular to the spool axis is provided for centering the respective drum carrier in a respective contact carriage, wherein the guide carriage can in particular be vertically movable.
  • the guide carriage is preferably mounted on the contact carriage via a linear roller guide.
  • the guide carriage can be moved via at least one actuating element, in particular at least one hydraulic cylinder / piston arrangement.
  • the Anpressschlittensection a respective Anpressü may be associated with a carriage drive, which acts via drive elements on the Anpressschlitten, preferably arranged on the driver's side or drive side carriage drive via a first on the same side as the carriage drive arranged drive element on the provided on this side contact carriage and over a transverse source and a drive element arranged on the other side acts on the drive carriage provided on the other side.
  • the drive elements may include drive chains, for example.
  • each drive chain is preferably assigned its own chain tensioner.
  • the drive elements may, for example, also comprise toothed belts or the like.
  • contact slide can be driven via at least one spindle drive with transverse shaft.
  • the pressing carriages are each assigned a single drive, wherein the contact carriages can be driven, for example, via a toothed rack or the like.
  • the winding device comprises a particular electronic control and / or regulating device.
  • an angle encoder connected to the control and / or regulating device is assigned to control and / or regulate the drive carriage movements and / or to position the drive carriages in each carriage drive.
  • the respective angular position and the respective rotational speed of the rotor of the relevant drive can be detected by means of such an angle encoder.
  • a respective center drive is displaceably guided on the respective contact carriage or the guide carriage associated therewith, in particular via a linear roller guide in the transverse direction.
  • the carrier drum is preferably mounted on connected to the control and / or regulating device measuring cells, via which the force is measurable, with the Tambour or the winding to be formed on the winding drum is pressed.
  • the measured values obtained can then be used in particular for controlling and / or regulating the line forces occurring in the winding nip.
  • a movable lift arms comprehensive Tambourlift is provided for the transfer of a respective new drum from a arranged on the winding device reel magazine to the correspondingly positioned guide carriage of a respective Anpressschlittensectiones or Anpressappel.
  • the Tambourlift can be assigned a Tambourstarter to accelerate a respective new Tambour before handing over to the respective Anpressech or their guide carriage.
  • driver-side and the drive-side staging are provided in an outlet region with rails inclined relative to the horizontal, to which the finished and in particular braked winding can be placed in order to supply it to a stop device.
  • control and / or regulation of the winding structure is at least partially on the force with which the spool or the winding to be formed thereon is pressed against the carrier drum.
  • control and / or regulation of the winding structure can at least partially take place over the path traveled by the spool or by the winding to be formed thereon.
  • control and / or regulation of the winding structure takes place via the path covered by the spool or by the winding to be formed thereon only from a prescribable winding diameter.
  • control or regulation z. B. via the contact force.
  • the guide carriage provided only for guiding the spool and the spool during the winding structure is supported by rails.
  • the method according to the invention and the winding device according to the invention can be used with particular advantage in particular for winding tissue webs.
  • Center drives in the secondary area of the paper machine reel are so far unilaterally realized on the drive side in the normal case.
  • the drive unit has so far been mostly performed on a separate subset on linear guides.
  • the drive unit in the previously known drive systems is usually mechanically coupled to the secondary arm or secondary carriage by a driver.
  • the drive system comprises at least one center drive having a rotor-mounted electric motor coaxial with the drum in association with an axial end portion of the drum and by center-drive operation in the axial direction of the main cylinder and / or by a relative movement between a rotary drive connection of the center drive and the rotor without gear directly to the spool or a rotary drive connection associated therewith can be coupled.
  • This also minimizes the mass of the respective drives.
  • the space requirement for the drives is reduced to a minimum.
  • the center drive is combined with a contact slide, via which the spool or the winding to be formed on the winding roller can be pressed, wherein the center drive and the contact slide are guided together.
  • the center drive can in particular be combined with a secondary carriage assigned to a secondary winding area.
  • a center drive is also conceivable which is combined with a secondary carriage assigned to a primary winding area.
  • the rotary drive connection associated with the spool can, for example, comprise a drive coupling or bell.
  • the rotary drive connection of the center drive comprises, for example, a drive star.
  • the rotor of the center drive for example, comprise a hollow motor shaft.
  • the center drive can be coupled for example by a relative movement between the drive star and the hollow motor shaft with the spool or the associated rotary drive connection.
  • a center drive is provided both on the driver's side and on the drive side.
  • At least one center drive is assigned to a secondary winding area.
  • At least one center drive can also be assigned to a primary winding area.
  • At least one center drive is assigned to each of a primary winding area and a secondary winding area.
  • FIG. 1 shows a schematic side view of an exemplary embodiment of an apparatus 10 for winding a material web 12 on a spool 14, in which the material web 12 to the spool 14 via a carrier drum 16 can be fed and between the carrier drum 16 and the spool 14 and the winding to be formed thereon 18, a winding nip 20 is formed.
  • the spool 14 and thus the winding 18 formed thereon can be pressed against the carrier drum 16 and the spool 14 is guided so that the effective direction of the line force generated in the winding gap 20 is kept at least substantially constant throughout the winding structure.
  • the spool 14 and thus the winding to be formed thereon are expediently pressed against the carrier drum 16 via one and the same pressing unit during the entire winding structure.
  • the spool 14 is driven during the entire winding structure via one and the same center drive system.
  • the spool 14 is guided in particular so that the two mutually parallel axes of the spool 14 and the carrier drum 16 during the entire winding structure remain in one and the same plane, preferably in a horizontal plane.
  • the winding device 10 two movable Anpresshowen 22, 22 '; 24, 24 ', via which the spool 14 and thus the winding 18 to be formed thereon, can each be pressed against the carrier drum 16.
  • the two pressing units 22, 22 '; 24, 24 ' may each have a center drive 26; 28 (see also the Figures 2 and 3 ) associated with a rotor provided with an electric motor.
  • the center drives 26; 28 each coaxial with the spool 14 in association with an axial end portion of the spool 14 positionable and by moving the center drive 26; 28 in the axial direction of the main cylinder 14 and / or by a relative movement between a rotary drive connection 30 of the center drive 26; 28 and its rotor without gear directly to the spool 14 or its associated rotary drive terminal 32 can be coupled.
  • a respective drum 14 is guided during the entire winding structure along a linear axis running through the support drum axis and perpendicular to this, while the pressing unit 22, 22 'or 24, 24' is movable parallel to it during the entire winding structure.
  • the drum 14 can be driven during the entire winding structure by the respective drive unit 22, 22 'or 24, 24' associated center drive 26 and 28 respectively.
  • the spool 14 is guided horizontally, and the two Anpresshowen 22, 22 '; 24, 24 'are each horizontally movable.
  • the two pressing units can each comprise two contact slides 22, 22 'or 24, 24', one of which is arranged on the driver's side and the other on the drive side.
  • the relevant center drive 26 or 28 one of the two contact carriages 22, 22 '; 24, 24 'assigned.
  • the contact carriages 22, 22 '; 24, 24 ' may be guided on preferably horizontal guide rails 34.
  • these contact rollers are guided, for example by means of linear roller guides 36 on the guide rails 34.
  • the winding device 10 comprises a driver-side and a drive-side frame 38.
  • the relevant center drive 26 or 28 is assigned to the outer contact slides 22, 24 respectively.
  • a respective contact carriage 22, 22 '; 24, 24 ' may be a perpendicular to the direction of travel of the pressure carriage and perpendicular to the spool axis movable guide carriage 40, 40'; 42, 42 'be provided for centering recording of the relevant Tambourlagers 44.
  • the guide carriage is vertically movable.
  • the guide carriage can in particular be mounted on the contact carriage via a linear roller guide 46.
  • the guide carriage 40, 40 '; 42, 42 ' may in particular via at least one actuating element such as in particular at least one hydraulic cylinder or hydraulic cylinder / piston assembly 48, 48'; 50, 50 'be moved.
  • the arranged on the driver's side or drive side slide drive 52; 54 of a respective Anpressschlittencrues can via a first on the same side as the carriage drive 52; 54 arranged drive element 56; 58 on the provided on this page Anpressschlitten 22; 24 and via a transverse shaft 60; 62 and a drive element 56 'arranged on the other side; 58 'on the provided on the other side Anpressschlitten 22'; 24 'act.
  • the winding device 10 may in particular be designed so that the carriage drive 52; 54 one of the two Anfahrschlittenfunctione 22, 22 '; 24, 24 'or Drive units on the driver's side and the carriage drive 52; 54 of the other Anpressschlittenoomes or Anpressech is arranged on the drive side.
  • the drive elements comprise drive chains 56, 56 '; 58, 58 '.
  • Each drive chain can have its own chain tensioner 64, 64 '; Be assigned 66, 66 '.
  • other drive elements such as toothed belts may be provided.
  • the contact carriages 22, 22 '; 24, 24 ' can be driven, for example, via at least one spindle gear with transverse shaft.
  • the contact carriages 22, 22 '; 24, 24 ' can also be assigned in each case a single drive.
  • the Anpressschlitten example each be driven via a rack.
  • the winding device 10 may include a particular electronic control and / or regulating device (not shown).
  • each carriage drive 52; 54 an angle encoder 68 connected in particular to the control and / or regulating device; 70 assigned.
  • a respective center drive 26; 28 on the respective contact carriage 22; 24 or the associated guide carriage 40; 42 guided in particular displaceably via a linear roller guide 72 in the transverse direction.
  • the carrier drum 16 can be mounted on measuring cells 74 that can be connected in particular to the control and / or regulating device, by means of which the force with which the drum 14 or the winding 18 to be formed thereon is pressed against the carrier drum 16 can be measured.
  • a movable lift arms 76 comprehensive Tambourlift 78 may be provided.
  • the drum lift 78 may be associated with a drum starter to a respective new drum 14 before the transfer to the respective pressing unit 22, 22 '; 24, 24 'or their guide carriage 40, 40', 42, 42 'to accelerate.
  • the driver-side and the drive-side frame 38 may be provided with rails 82 inclined relative to the horizontal, to which the finished and in particular braked winding 18 can be placed in order to feed it to a stop device 84.
  • the control and / or regulation of the winding structure can also take place at least partially via the force with which the spool 14 or the winding 18 to be formed thereon is pressed against the carrying drum 16.
  • the control and / or regulation of the winding structure takes place at least partially over the path traveled by the spool 14 or by the winding 18 to be formed thereon.
  • such an embodiment is conceivable, for example, in which the control and / or regulation of the winding structure takes place via the path covered by the spool 14 or by the winding to be formed thereon only from a prescribable winding diameter.
  • such an embodiment of the winding device 10 is also conceivable, in which the guide carriages 40, 40 '; 42, 42 'are provided only for guiding the spool 14 and the spool 14 is supported during the winding structure by rails.
  • the rails 82 can be guided horizontally at least substantially into the region of the carrier drum 16.
  • Each functional unit formed by a respective pair of carriages has a carriage drive 52; 54, via drive chains 56, 56 '; 58, 58 'acts on the drive carriage, wherein in each case a transverse shaft 60; 62 ensures the synchronization of the carriage of a respective pair of carriages.
  • Each chain is equipped with its own chain tensioner 64, 64 '; 66, 66 'equipped.
  • each carriage drive is provided with an angle encoder 68; 70 assigned.
  • Each carriage pair has a center drive 26; 28, which may be provided in particular in the manner of a "Voith Drive” center drive and is guided on the respective outer drive slide in the transverse direction displaceable on linear roller guides 72.
  • a Tambourlift 78 with movable lift arms 76 takes over the reels from a arranged on the winding device reel magazine (not shown) and leads them to the appropriately positioned guide carriage.
  • an outlet region 80 of the winding device 10 is the Stung with inclined rails 82 provided on the finished wound coil 18 is placed after braking and the stopper 84 is supplied.
  • the functional sequence of such an exemplary embodiment of the winding device 10 can in particular be as follows:
  • the drum lift 78 lifts with the lift arms 76 a new spool 14 from the spool magazine and lowers it into the raised guide carriages 40, 40 'of the positioned pair of thrust carriages 22, 22'.
  • the tambour still has no contact with the carrier drum 16.
  • the center drive 26 is engaged by sliding in the transverse direction in the provided for example in the form of a drive bell rotary drive connection of the spool, and the spool is then accelerated to machine speed.
  • the driven by the slide drive 52 Anpressschlittenpres now moves the drum to the carrier drum and presses him with a defined, preferably regulated force.
  • the actual force value is determined by the measuring cell or measuring cells 74 under the carrier drum 16 and fed into the control.
  • the material web 12 is now fed to the carrier drum by cut in the upstream machine section a transfer strip on the edge of the web and is guided with appropriate transfer devices on the carrier drum through the press or winding nip between the carrier drum and drum. Thereafter, the strip is widened to the total web.
  • the running on the carrier drum material web is then transferred by means of a turn-up or Auf 1500systems on the spool.
  • the turn-up or the feeding of the web can be done by moistening the spool or by applying an adhesive tape or spray adhesive on the spool.
  • the web can also be separated and listed by a web-wide Trennblasrohr under the spool.
  • the entire winding process takes place up to the full winding 18, for example, with controlled contact force and defined center torque (controlled speed).
  • the Anpressschlittensection 24, 24 'with lowered guide slide 42, 42' under the active drum through in the direction of the carrier drum in the Tamboureinlegeposition be moved.
  • the guide carriages are lifted into the working position by means of the hydraulic cylinders or hydraulic cylinder / piston assemblies 50, 50 'in which they are ready to receive the next spool.
  • the winding 18 If the winding 18 has reached the desired diameter, it is driven away from the carrier drum by a predeterminable amount and continues to be wound there at the center. During this time, a new spool, which is already in waiting position on the carrier drum in the Tambourlift, inserted into the waiting guide slide pair 42, 42 ', accelerated with the center drive 28 to machine speed and applied to the carrier drum, as already in connection with the previous drum was described. In this process, the web slides for a short time on the not yet rotating drum (bowing).
  • the transfer of the material web to the new drum (turn-up) is carried out as described above.
  • the finished winding is now braked by the center drive 26, lowered by lowering the guide carriage 40, 40 'on the rails 82 and released.
  • the winding now runs on the Tambourlagern on the inclined rails 82 to the stopper 84th
  • Tambourlift is equipped with a Tambourstarter to the tambour before insertion into the guide slide on machine speed To accelerate, so shortening the free winding time for the full role, and the train does not have to slide over the not yet rotating drum.
  • alternative drives of the contact carriages may include, for example, toothed belts instead of drive chains, spindle drives with transverse shaft and / or a system with rack and single drive on each carriage (electronic synchronization).
  • winding structure may also be advantageous to perform the winding structure not force-controlled, but path-controlled, for example with a defined carriage path per number of winding or material web layers.
  • the guide carriages can only serve to guide the drums, in which case they do not carry their weight.
  • the tambourines are instead carried by rails, which then extend to the carrier drum. This brings with it the advantage of a largely symmetrical loading of the drum bearings.
  • the sensitivity of the control can be influenced. In a path-controlled winding structure, this does not matter.
  • the center drives can also be realized as conventional drives mounted independently of the drive carriages.
  • a pressing element 90 in particular a pressure roller, is provided in the present embodiment, which is applied to the winding 18 to reduce the air inlet between the material web layers and to stabilize the full winding 18.
  • FIG. 4 shows a schematic partial representation of an exemplary embodiment of a system 86 for driving a spool 14 in a winding device, in which a material web, in particular paper, board or tissue web is wound on the spool 14, the web is the spool 14 fed via a carrier drum and between the carrier drum and the spool 14 and the winding to be formed thereon, a winding nip is formed.
  • a material web in particular paper, board or tissue web
  • the drive system 26 comprises at least one center drive 26; 28, which has a rotor provided with an electric motor, coaxial with the drum 14 in association with an axial end portion of the main cylinder 14 is positionable and by moving the center drive in the axial direction of the main cylinder 14 and / or by a relative movement between a rotary drive connection of the center drive 26; 28 and the rotor without gear directly to the spool 14 or a rotary drive connection 32 associated therewith can be coupled.
  • a center drive 26; 28 which has a rotor provided with an electric motor, coaxial with the drum 14 in association with an axial end portion of the main cylinder 14 is positionable and by moving the center drive in the axial direction of the main cylinder 14 and / or by a relative movement between a rotary drive connection of the center drive 26; 28 and the rotor without gear directly to the spool 14 or a rotary drive connection 32 associated therewith can be coupled.
  • the center drive 26; 28 can with a contact carriage 22, 22 '; 24, 24 'combined, over which the spool 14 and the winding to be formed thereon can be pressed against the support roller.
  • the center drive 26; 28 may be combined with a secondary carriage associated with a secondary winding area or with a primary carriage associated with a primary winding area.
  • the rotary drive connection associated with the spool 14 may comprise a drive coupling or bell.
  • the rotary drive terminal 30 of the center drive 26; 28 may in particular comprise a drive train.
  • the rotor of the center drive comprises, for example, a hollow motor shaft.
  • the center drive 26 For example, be coupled by a relative movement between the drive train and the hollow shaft motor with the spool 14 and the associated rotary drive terminal 32.
  • the two arranged on different sides center drives can have a different engine characteristics.
  • one of the two center drives for example, a relatively smaller torque at relatively higher speeds for a predetermined lower winding diameter range and the other center drive generate a relatively larger torque at relatively lower speeds for a predetermined upper winding diameter range.
  • At least one center drive 26 is preferred; 28 associated with a secondary winding area.
  • at least one center drive may also be associated with a primary winding area. In this case, for example, such an embodiment is conceivable in which both a primary winding area and a secondary winding area are each assigned at least one center drive.
  • the center drives 26; 28 can thus each be again provided in the manner of a "Voith Drive” center drive.
  • FIG. 4 are also again a chair 38 and linear roller guides 72 to recognize, via which a respective center drive 26; 28 is movable in the transverse direction to allow engagement or disengagement of, for example, a drive train comprehensive rotary drive connection.
  • This can be assigned to the center drive rotary drive connection 30th
  • a drive coupling or bell comprehensive rotary drive terminal 32 of the main cylinder 14 are engaged.
  • the center drive 26; 28 may be arranged on a motor slide 88, which is correspondingly movable in the transverse direction via the slide or linear roller guide 72.
  • the drive system 36 can be used with particular advantage, in particular also in the winding device 10 according to the invention.
  • the center drives of the winding device according to the invention and the drive system according to the invention are, as already stated, preferably designed as "Voith Drive” center drives.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)

Abstract

L'invention concerne un procédé pour enrouler une bande de matériau (12), notamment une bande de papier, de carton ou de papier sanitaire, sur un tambour (14), selon lequel la bande de matériau (12) est amenée sur le tambour (14) par un rouleau porteur (16), un espace d'enroulement (20) est formé entre le rouleau porteur (16) et le tambour (14) ou l'enroulement (18) à effectuer sur le tambour, une force linéaire étant générée dans l'espace d'enroulement (20). Le sens d'action de la force linéaire générée dans l'espace d'enroulement (20) est maintenu au moins sensiblement constant pendant tout le processus d'enroulement.

Claims (15)

  1. Procédé pour enrouler une bande de matériau (12), en particulier une bande de papier, carton ou papier-tissu, sur un tambour (14), dans lequel la bande de matériau (12) est acheminée au tambour (14) par le biais d'un cylindre porteur (16) et une fente d'enroulement (20) est formée entre le cylindre porteur (16) et le tambour (14) ou la bobine (18) à former sur celui-ci, et une force linéaire est appliquée dans cette fente d'enroulement,
    caractérisé en ce que
    la direction d'action de la force linéaire produite dans la fente d'enroulement (20) pendant toute la formation de la bobine est maintenue au moins essentiellement constante.
  2. Procédé selon la revendication 1,
    caractérisé par au moins l'une des caractéristiques suivantes :
    le tambour (14) et donc la bobine (18) à former sur celui-ci sont pressés pendant toute la formation de la bobine par le biais d'une seule et
    même unité de pressage (22, 22' ; 24, 24') contre le cylindre porteur (16) ; le tambour (14) est entraîné pendant toute la formation de la bobine par le biais d'un seul et même système d'entraînement central (26 ; 28) ; le tambour (14) est guidé de telle sorte que les deux axes parallèles l'un à l'autre du tambour (14) et du cylindre porteur (16) restent dans un seul et même plan pendant toute la formation de la bobine, le tambour (14) étant de préférence guidé de telle sorte que les deux axes parallèles l'un à l'autre du tambour (14) et du cylindre porteur (16) restent dans un plan horizontal pendant toute la formation de la bobine.
  3. Dispositif (10) pour enrouler une bande de matériau (12), en particulier une bande de papier, carton ou papier-tissu, sur un tambour (14), dans lequel la bande de matériau (12) peut être acheminée au tambour (14) par le biais d'un cylindre porteur (16) et une fente d'enroulement (20) est formée entre le cylindre porteur (16) et le tambour (14) ou la bobine (18) à former sur celui-ci, afin de produire dans ladite fente d'enroulement une force linéaire, notamment pour mettre en oeuvre le procédé selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le tambour (14) et donc la bobine (18) à former sur celui-ci peuvent être pressés sur le cylindre porteur (16) et le tambour (14) est guidé de telle sorte que la direction d'action de la force linéaire produite dans la fente d'enroulement (20) pendant toute la formation de la bobine soit maintenue au moins essentiellement constante.
  4. Dispositif (10) selon la revendication 3,
    caractérisé par au moins l'une des caractéristiques suivantes :
    le tambour (14) et donc la bobine (18) à former sur celui-ci peuvent être pressés pendant toute la formation de la bobine par le biais d'une seule et
    même unité de pressage (22, 22' ; 24, 24') contre le cylindre porteur (16) ; le tambour (14) peut être entraîné pendant toute la formation de la bobine par le biais d'un seul et même système d'entraînement central (26 ; 28) ; le tambour (14) est guidé de telle sorte que les deux axes parallèles l'un à l'autre du tambour (14) et du cylindre porteur (16) restent dans un seul et même plan pendant toute la formation de la bobine, le tambour (14) étant de préférence guidé de telle sorte que les deux axes parallèles l'un à l'autre du tambour (14) et du cylindre porteur (16) restent dans un plan horizontal pendant toute la formation de la bobine.
  5. Dispositif (10) selon l'une quelconque des revendications précédentes 3 ou 4,
    caractérisé en ce
    qu'il présente au moins un entraînement central (26 ; 28) qui comprend un moteur électrique pourvu d'un rotor, qui peut être positionné coaxialement par rapport au tambour (14) en association avec une région d'extrémité axiale du tambour (14) et qui peut être accouplé, par déplacement de l'entraînement central dans la direction axiale du tambour (14) et/ou par un mouvement relatif entre un raccord d'entraînement en rotation (30) de l'entraînement central (26 ; 28) et de son rotor, sans transmission, directement au tambour (14) ou à un raccord d'entraînement en rotation (32) associé à celui-ci.
  6. Dispositif (10) selon la revendication 5,
    caractérisé en ce
    qu'il comprend deux unités de pressage déplaçables (22, 22' ; 24, 24') par le biais desquelles le tambour (14) et donc la bobine (18) à former sur celui-ci peuvent être pressés à chaque fois contre le cylindre porteur (16) et auxquelles est associé à chaque fois un entraînement central (26 ; 28), qui comprend un moteur électrique pourvu d'un rotor, qui peut être positionné coaxialement par rapport au tambour (14) en association avec une région d'extrémité axiale du tambour (14) et qui peut être accouplé, par déplacement de l'entraînement central (26 ; 28) dans la direction axiale du tambour (14) et/ou par un mouvement relatif entre un raccord d'entraînement en rotation (30) de l'entraînement central (26 ; 28) et de son rotor, sans transmission, directement au tambour (14) ou à un raccord d'entraînement en rotation (32) associé à celui-ci, un tambour respectif (14) pouvant être pressé contre le cylindre porteur (16) pendant toute la formation de la bobine, uniquement par le biais de l'une des deux unités de pressage (22, 22' ; 24, 24'), et le tambour suivant (14) étant seulement ensuite pressé contre le cylindre porteur (16) par le biais de l'autre unité de pressage respective, un tambour respectif (14) pendant toute la formation de la bobine étant guidé le long d'une trajectoire linéaire s'étendant à travers l'axe du cylindre porteur et perpendiculairement à celui-ci, et l'unité de pressage correspondante (22, 22', respectivement 24, 24') pouvant être déplacée parallèlement à celui-ci pendant toute la formation de la bobine, le tambour (14), pendant toute la formation de la bobine, pouvant être entraîné par l'entraînement central (26, respectivement 28) associé à l'unité de pressage correspondante (22, 22', respectivement 24, 24').
  7. Dispositif (10) selon l'une quelconque des revendications précédentes 3 à 6, caractérisé par au moins l'une des caractéristiques suivantes :
    le tambour (14) est guidé horizontalement et les deux unités de pressage (22, 22' ; 24, 24') sont déplaçables à chaque fois horizontalement ;
    les deux unités de pressage comprennent à chaque fois deux chariots de pressage (22, 22' ; 24, 24'), dont l'un est disposé sur le côté opérateur et l'autre est disposé sur le côté entraînement, et l'entraînement central correspondant (26, respectivement 28) est associé à l'un des deux chariots de pressage (22 ; 24), de préférence les chariots de pressage (22, 22' ; 24, 24') étant guidés sur des rails de guidage (34) de préférence horizontaux et les chariots de pressage (22, 22' ; 24, 24') étant guidés de préférence au moyen de guides à rouleaux linéaires (36) sur les rails de guidage (34) ; un bâti (38) est prévu à chaque fois du côté opérateur et du côté entraînement, l'un des deux chariots de pressage (22' ; 24') d'une unité de pressage respective étant guidé sur le côté interne de l'un des deux bâtis (38) et l'autre chariot de pressage (22 ; 24) étant guidé sur le côté externe de l'autre bâti sur un rail de guidage respectif (34) et l'entraînement central correspondant (26, respectivement 28) étant associé au chariot de pressage extérieur (22 ; 24).
  8. Dispositif (10) selon l'une quelconque des revendications précédentes 3 à 7, caractérisé par au moins l'une des caractéristiques suivantes :
    dans un chariot de pressage respectif (22, 22' ; 24, 24') est prévu un chariot de guidage (40, 40' ; 42, 42') déplaçable perpendiculairement à la direction de déplacement du chariot de pressage et perpendiculairement à l'axe du tambour pour recevoir en le centrant le palier de tambour correspondant (44), le chariot de guidage étant de préférence déplaçable verticalement et/ou étant supporté par le biais d'un guide à rouleaux linéaire (46) sur le chariot de pressage et/ou étant déplaçable par le biais d'au moins un élément d'actionnement comme en particulier au moins un agencement cylindre-piston hydraulique (48, 48' ; 50, 50') ;
    la paire de chariots de pressage (22, 22', 24, 24') d'une unité de pressage respective étant associée à un entraînement de chariot (52 ; 54) qui agit par le biais d'éléments d'entraînement (56, 56' ; 58, 58') sur les chariots de pressage (22, 22' ; 24, 24'), de préférence l'entraînement de chariot (52 ; 54) disposé du côté opérateur ou du côté entraînement agissant par le biais d'un premier élément d'entraînement (56 ; 58) disposé du même côté que l'entraînement de chariot (52 ; 54) sur le chariot de pressage (22 ; 24) prévu de ce côté, et agissant par le biais d'un arbre transversal (60 ; 62) et d'un élément d'entraînement (56' ; 58') disposé de l'autre côté sur le chariot de pressage (22' ; 24') prévu sur l'autre côté.
  9. Dispositif (10) selon la revendication 8, caractérisé par au moins l'une des caractéristiques suivantes :
    l'entraînement de chariot (52 ; 54) de l'une des deux paires de chariots de pressage (22, 22' ; 24, 24') ou des deux unités de pressage est disposé du côté opérateur et l'entraînement de chariot (52 ; 54) de l'autre paire de chariots de pressage ou de l'autre unité de pressage est disposé du côté entraînement ;
    les éléments d'entraînement comprennent des chaînes d'entraînement (56, 56' ; 58, 58'), de préférence chaque chaîne d'entraînement (56, 56' ; 58, 58') étant associée à un tendeur de chaîne propre (64, 64' ; 66, 66') ou les éléments d'entraînement comprenant des courroies dentées.
  10. Dispositif (10) selon l'une quelconque des revendications précédentes 3 à 9, caractérisé par au moins l'une des caractéristiques suivantes :
    les chariots de pressage (22, 22' ; 24, 24') peuvent être entraînés par le biais d'au moins une transmission à broche avec un arbre transversal ;
    les chariots de pressage (22, 22' ; 24, 24') sont à chaque fois associés à un entraînement unique, les chariots de pressage (22, 22' ; 24, 24') pouvant être entraînés de préférence à chaque fois par une crémaillère.
  11. Dispositif (10) selon l'une quelconque des revendications précédentes 3 à 10, caractérisé par au moins l'une des caractéristiques suivantes :
    le dispositif (10) comprend un dispositif de commande et/ou de régulation notamment électronique, de préférence pour la commande et/ou la régulation des mouvements des chariots d'entraînement et/ou pour le positionnement des chariots d'entraînement (22, 22' ; 24, 24'), on associe à chaque entraînement de chariot (52 ; 54) un codeur angulaire (68 ; 70) connecté au dispositif de commande et/ou de régulation ;
    un entraînement central respectif (26 ; 28) est guidé de manière déplaçable dans la direction transversale sur le chariot de pressage correspondant (22 ; 24) ou le chariot de guidage (40 ; 42) associé à celui-ci, notamment par le biais d'un guide à rouleaux linéaire (72) ;
    le cylindre porteur (16) est supporté sur des cellules de mesure (74) connectées au dispositif de commande et/ou de régulation, par le biais desquelles la force avec laquelle le tambour (14) ou la bobine à former sur celui-ci sont pressés sur le cylindre porteur (16) peut être mesurée ;
    pour le transfert d'un nouveau tambour respectif (14) depuis un magasin de tambours disposé au-dessus du dispositif d'enroulement (10) aux chariots de guidage (40, 40' ; 42, 42') positionnés de manière correspondante d'une paire de chariots de pressage respective (22, 22' ; 24, 24') ou d'une unité de pressage, on prévoit un dispositif de levage de tambour (78) comprenant des bras de levage déplaçables (76), un démarreur de tambour étant de préférence associé au dispositif de levage de tambour (78) afin d'accélérer un nouveau tambour respectif (14) déjà avant son transfert à l'unité de pressage respective (22, 22' ; 24, 24') ou à ses chariots de guidage (40, 40' ; 42, 42').
  12. Dispositif (10) selon l'une quelconque des revendications précédentes 3 à 11, caractérisé par au moins l'une des caractéristiques suivantes :
    les bâtis (38) côté opérateur et côté entraînement sont pourvus, dans une région de sortie (80), de rails de roulement (82) inclinés par rapport à l'horizontale, sur lesquels peut être posée la bobine (18) finie et notamment freinée, afin de l'acheminer à un dispositif d'arrêt (84) ;
    la commande et/ou la régulation de la structure d'enroulement a lieu au moins en partie par le biais de la force avec laquelle le tambour (14) ou la bobine (18) à former sur celui-ci sont pressés sur le cylindre porteur (16), et/ou au moins en partie par le biais de la distance parcourue par le tambour (14) ou par la bobine (18) à former sur celui-ci, de préférence la commande et/ou la régulation de la structure d'enroulement s'effectuant par le biais de la distance parcourue par le tambour (14) ou par la bobine (18) à former sur celui-ci, seulement à partir d'un diamètre de bobine prédéfini ;
    les chariots de guidage (40, 40' ; 42, 42') sont prévus uniquement pour le guidage du tambour (14) et le tambour (14) est porté pendant la formation de la bobine par des rails de roulement.
  13. Dispositif (10) selon l'une quelconque des revendications 5 à 12,
    caractérisé par au moins l'une des caractéristiques suivantes :
    l'entraînement central (26 ; 28) est combiné avec un chariot de pressage (22, 22' ; 24, 24'), par le biais duquel le tambour (14) ou la bobine à former sur celui-ci peuvent être pressés sur le cylindre porteur, l'entraînement central et le chariot de pressage étant guidés ensemble, de préférence l'entraînement central (26 ; 28) étant combiné avec un chariot secondaire associé à la région d'enroulement secondaire ou avec un chariot primaire associé à une région d'enroulement primaire ;
    le raccord d'entraînement en rotation (32) associé au tambour (14) comprend un accouplement ou une cloche d'entraînement ;
    le raccord d'entraînement en rotation (30) de l'entraînement central (26 ; 28) comprend une étoile d'entraînement.
  14. Dispositif (10) selon l'une quelconque des revendications 5 à 13,
    caractérisé par au moins l'une des caractéristiques suivantes :
    le rotor comprend un arbre creux de moteur ;
    l'entraînement central (26 ; 28) peut être accouplé par un mouvement relatif entre l'étoile d'entraînement et l'arbre creux de moteur au tambour ou au raccord d'entraînement en rotation associé à celui-ci ;
    un entraînement central est prévu à chaque fois sur le côté opérateur et aussi sur le côté entraînement, de préférence les deux entraînements centraux disposés sur des côtés différents possédant une caractéristique de moteur différente et dans ce cas de préférence l'un des deux entraînements centraux produisant un couple relativement plus petit pour des vitesses de rotation relativement plus élevées pour une région de diamètre de bobine inférieure prédéfinissable et l'autre entraînement central produisant un couple relativement plus grand pour des vitesses de rotation relativement plus faibles pour une région de diamètre de bobine supérieure prédéfinissable.
  15. Dispositif (10) selon l'une quelconque des revendications 5 à 14,
    caractérisé par au moins l'une des caractéristiques suivantes :
    au moins un entraînement central (26 ; 28) est associé à une région d'enroulement secondaire ;
    au moins un entraînement central est associé à une région d'enroulement primaire ;
    et au moins un entraînement central est à chaque fois associé à une région d'enroulement primaire ainsi qu'à une région d'enroulement secondaire.
EP08804294A 2007-09-24 2008-09-17 Procédé et dispositif pour enrouler une bande de matériau Not-in-force EP2205512B1 (fr)

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DE102007000766 2007-09-24
DE102008000042A DE102008000042A1 (de) 2007-09-24 2008-01-11 Verfahren und Vorrichtung zum Aufwickeln einer Materialbahn
PCT/EP2008/062339 WO2009040278A2 (fr) 2007-09-24 2008-09-17 Procédé et dispositif pour enrouler une bande de matériau

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EP2205512B1 true EP2205512B1 (fr) 2012-08-08

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DE102010062867A1 (de) 2010-12-10 2012-06-14 Robert Bosch Gmbh Bordnetz für ein Fahrzeug mit wenigstens einem Antriebsaggregat
DE102010064331A1 (de) * 2010-12-29 2012-07-05 Voith Patent Gmbh Verfahren zum Aufwickeln einer Papier- oder Kartonbahn und Doppeltragwalzenwickelvorrichtung zum Aufwickeln einer Papier- oder Kartonbahn
EP2679526B1 (fr) * 2012-06-28 2014-09-03 Valmet Technologies, Inc. Enrouleuse et méthode d'enroulement d'une bande fibreuse
CN105523409A (zh) * 2016-01-29 2016-04-27 广州通泽机械有限公司 一种间隙收卷自调整装置和方法
CN105966858A (zh) * 2016-06-20 2016-09-28 昆山鸿福泰环保科技有限公司 一种八键型螺杆接收车
CN107804728A (zh) * 2017-11-17 2018-03-16 鹤山市信必达新型环保材料科技有限公司 一种收卷机压紧装置
JP7087733B2 (ja) * 2018-06-29 2022-06-21 セイコーエプソン株式会社 記録装置
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WO2009040278A2 (fr) 2009-04-02
WO2009040278A9 (fr) 2009-11-05
CN101873984A (zh) 2010-10-27
WO2009040278A3 (fr) 2009-08-20
DE102008000042A1 (de) 2009-04-02
EP2205512A2 (fr) 2010-07-14

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