EP0640544A1 - Method and device for winding a web - Google Patents

Method and device for winding a web Download PDF

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Publication number
EP0640544A1
EP0640544A1 EP93113521A EP93113521A EP0640544A1 EP 0640544 A1 EP0640544 A1 EP 0640544A1 EP 93113521 A EP93113521 A EP 93113521A EP 93113521 A EP93113521 A EP 93113521A EP 0640544 A1 EP0640544 A1 EP 0640544A1
Authority
EP
European Patent Office
Prior art keywords
winding
axis
support roller
roller
movement
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
EP93113521A
Other languages
German (de)
French (fr)
Other versions
EP0640544B1 (en
Inventor
Walter Dörfel
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.)
Beloit Technologies Inc
Original Assignee
Beloit Corp
Beloit Technologies Inc
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
Priority to AT96107764T priority Critical patent/ATE176210T1/en
Application filed by Beloit Corp, Beloit Technologies Inc filed Critical Beloit Corp
Priority to ES96107764T priority patent/ES2129909T3/en
Priority to EP93113521A priority patent/EP0640544B1/en
Priority to AT93113521T priority patent/ATE153981T1/en
Priority to DE59306687T priority patent/DE59306687D1/en
Priority to EP96107764A priority patent/EP0754640B1/en
Priority to DE59309354T priority patent/DE59309354D1/en
Priority to ES93113521T priority patent/ES2105019T3/en
Priority to JP7507347A priority patent/JP2745082B2/en
Priority to PCT/EP1994/002795 priority patent/WO1995005988A1/en
Priority to US08/424,348 priority patent/US5639045A/en
Priority to CA002147764A priority patent/CA2147764C/en
Priority to KR1019950701550A priority patent/KR100235080B1/en
Priority to CN94190622A priority patent/CN1045937C/en
Priority to PL94308483A priority patent/PL175339B1/en
Priority to BR9405557-2A priority patent/BR9405557A/en
Publication of EP0640544A1 publication Critical patent/EP0640544A1/en
Priority to FI951932A priority patent/FI951932A/en
Application granted granted Critical
Publication of EP0640544B1 publication Critical patent/EP0640544B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65H18/14Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web
    • B65H18/20Mechanisms in which power is applied to web roll, e.g. to effect continuous advancement of web the web roll being supported on two parallel rollers at least one of which is driven
    • 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
    • B65H19/2207Changing the web roll in winding mechanisms or in connection with winding operations the web roll being driven by a winding mechanism of the centre or core drive type
    • 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
    • B65H19/2246The web roll being driven by a winding mechanism of the nip or tangential drive type and the roll being supported on two rollers
    • 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
    • B65H19/26Cutting-off the web running to the wound web roll
    • 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
    • B65H19/28Attaching the leading end of the web to the replacement web-roll core or spindle
    • 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
    • B65H19/30Lifting, transporting, or removing the web roll; Inserting core
    • 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
    • B65H2301/4144Finishing winding process
    • B65H2301/41441Finishing winding process and blocking outer layers against falling apart
    • B65H2301/41442Specified by the sealing medium sealing used
    • B65H2301/414421Glue or hot-melt
    • 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
    • B65H2301/4144Finishing winding process
    • B65H2301/41445Finishing winding process after winding process
    • B65H2301/41447Finishing winding process after winding process discharging roll by, e.g. rolling it down a slope
    • 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
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/414Winding
    • B65H2301/4148Winding slitting
    • B65H2301/41486Winding slitting winding on two or more winding shafts simultaneously
    • B65H2301/414866Winding slitting winding on two or more winding shafts simultaneously on bed rollers
    • 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
    • B65H2301/417Handling or changing web rolls
    • B65H2301/4171Handling web roll
    • B65H2301/4172Handling web roll by circumferential portion, e.g. rolling on circumference
    • 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
    • B65H2301/417Handling or changing web rolls
    • B65H2301/418Changing web roll
    • B65H2301/4181Core or mandrel supply
    • B65H2301/41816Core or mandrel supply by core magazine within winding machine, i.e. horizontal or inclined ramp holding cores
    • 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
    • B65H2301/417Handling or changing web rolls
    • B65H2301/418Changing web roll
    • B65H2301/4182Core or mandrel insertion, e.g. means for loading core or mandrel in winding position
    • B65H2301/41826Core or mandrel insertion, e.g. means for loading core or mandrel in winding position by gripping or pushing means, mechanical or suction gripper
    • 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
    • B65H2301/417Handling or changing web rolls
    • B65H2301/4187Relative movement of core or web roll in respect of mandrel
    • B65H2301/4189Cutting
    • B65H2301/41891Cutting knife located between two winding rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/40Shafts, cylinders, drums, spindles
    • B65H2404/42Arrangement of pairs of drums
    • B65H2404/421Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound
    • B65H2404/4211Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound with means for changing space between the drums
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/40Shafts, cylinders, drums, spindles
    • B65H2404/42Arrangement of pairs of drums
    • B65H2404/421Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound
    • B65H2404/4212Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound with means for changing inclination of bed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/40Shafts, cylinders, drums, spindles
    • B65H2404/42Arrangement of pairs of drums
    • B65H2404/421Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound
    • B65H2404/4213Bed arrangement, i.e. involving parallel and spaced drums, e.g. arranged horizontally for supporting a roll to be wound or unwound the drums having different diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00Parts for transporting or guiding the handled material
    • B65H2404/40Shafts, cylinders, drums, spindles
    • B65H2404/43Rider roll construction

Definitions

  • the invention relates to a method for winding webs according to the preamble of claim 1 and a winding device for winding webs according to the preambles of claims 2 and 17.
  • double carrier roll winding machines With increasing roll weight of the produced roll and with increasing winding speed, there always occurs more the problem of the uniformity of the winding density or the course of the winding hardness over the entire roll diameter in the foreground.
  • the previously proposed solutions for ensuring a specific density or winding tension are either very complex or not sufficiently satisfactory with regard to the winding quality.
  • a generic method and a generic device are known from US Pat. No. 4,465,243. According to this document, it is provided that, without a winding shaft, a winding of uniform density can be realized in that the two support rollers have different diameters and their axes are placed at different height levels.
  • a formula is given according to which the angle of the connecting line of the two support roller axes to the horizontal direction can be calculated depending on the two diameters of the support rollers, the size of the gap between the two support rollers and the maximum intended winding diameter, which ensures an optimally uniform winding density . This angle remains unchanged during the winding process.
  • the invention has for its object to reduce the above-mentioned restrictions due to the high nip pressures between the winding and the two support rollers of conventional double support roller rollers.
  • a further object of the invention is the additional combination with a center drive for the winding axis which is displaced locally with respect to the support roller (s) during the winding process.
  • Another object of the invention is a winding device with two support rollers, in which, by progressively lowering the one support roller depending on the increasing diameter of the winding, an axial displacement of the winding along a predetermined, essentially vertical or only slightly inclined movement line with respect to the vertical is made possible.
  • the combination with a center drive for the winding axis is particularly preferred.
  • Another object of the invention is the combination of the double carrier roller roller with an automatic winding tube feed, in particular in the case of an additional drive of the winding axis by means of a central drive.
  • Yet another object of the invention is a handling device for changing the reels after the winding process in a double carrier roller reel. This can also be used advantageously regardless of the lowering of one of the support rollers during the winding process and also independently of the movement of the winding axis along a predetermined movement line.
  • the web 1 to be wound up in a winding station 2 (or to be rewound) or webs 1 ', 1' ', ... running practically without spacing next to one another is initially very large in terms of its diameter and width Supply roll 3 unwound, deflected several times and the web 1, if necessary at 4 in parallel partial webs 1 ', 1' ', ... is longitudinally divided.
  • This entire part of the system which is not part of the subject matter of the invention, has been omitted in the further figures for the sake of clarity.
  • the winding station 2 consists on the one hand of the drivable support rollers 11 and 12 and on the other hand of axis displacement means 20 for axially parallel displacement of the axis 12A of the second support roller 12 as seen in the direction of web travel with respect to the axis 11A of the first support roller 11 as viewed in the direction of web travel, and from means 30 for lowering the axis 12A of the second support roller 12 as a function of the increasing diameter D w of the Web 1 or webs 1 ', 1'', ... winding 13 to be produced; 13 ', 13'', ... (see FIGS. 2 to 5) cause the axis 13A of the winding 13 to move along a predetermined vertical line of movement 14 or only slightly inclined with respect to a vertical plane 15.
  • the support rollers 11 and 12 basically have a different diameter and their axes 11A and 12A are basically in horizontal planes at different heights during winding.
  • the first support roller 11 seen in the web running direction has the larger and the second support roller 12 the smaller diameter, the axis 12A of the second support roller being higher than the axis 11A of the first support roller during the winding process is.
  • at least the support roller 12, which is smaller in diameter is provided with a relatively more flexible jacket 12B. Examples of flexible envelopes of support rollers are u. a. known from the German utility model publication 92 04 667.3 mentioned at the beginning and the publications cited therein.
  • pivotable arms 23 are provided as the axis displacement means 20. These are arranged on the two ends of the support roller 12, ie in pairs. There is a fixed pivot axis at one end 23A, its other end carries the axis of rotation 12A of the support roller 12. The choice of the location of the pivot axis 23A of the pivotable arms 23 in relation to the position of the axis 11A of the support roller 11 and its length determine the shape and position of the line of motion 12C of the axis 12A of the Support roller 12.
  • the pivot axis 23A is arranged to the side of the axis 11A of the support roller 11, that is to say the two axes do not coincide, the distance between the axes 11A and 12A changes during the displacement of the support roller 12.
  • the position of the The pivot axis 23A of the pivotable arms 23 is, as shown, preferably chosen so that the lateral distance between the support rollers 11 and 12 increases with increasing diameter of the roll 13 to be produced. This increase in distance can be seen particularly clearly when comparing the working positions in FIGS. 2 and 3.
  • the pivoting process of the arms 23 is effected by a push rod device 24, as is shown schematically in FIGS. 1, 2, 4 and 5.
  • the push rod bearing 24A describes a segment of a circle about the pivot axis 23A of the pivotable arm 23. This is indicated by the movement line 24C.
  • the axis 24B of a second pivot bearing of the push rod device remains stationary, while the push rod 24D pushes a certain distance through the second pivot bearing in the direction of the double arrow.
  • the position in the reception of the winding cores is shown in dashed lines, while the position the delivery of the winding cores in the pocket between the two support rollers is shown with solid lines.
  • the difference in height of the axes 11A and 12A of the two support rollers 11 and 12 and the distance between these two axes to one another and the line of motion 12C of the axis 12A of the support roller 12 and the change in position of the axis 12A of the support roller 12 with increasing diameter of the roll 13 to be produced can by means of the in The drawing shown and in this respect preferred winding stations 2 can now be specified such that the main load of the winding 13 is always absorbed by the stationary support roller 11 during the entire winding process, while the support roller 12 is only present with a minimal nip pressure on the winding 13, which is required is to transfer the required torque difference to generate the desired winding tension on the winding 13.
  • the means 30, which - as already mentioned - cause the axes 13A of the roll 13 to be produced to move along predetermined movement lines 14, 15 when the axes 12A of the support roller 12 are lowered, can be implemented in various ways.
  • the movement lines 14 and 15 of the winding axes 13A are straight. While the movement line 14 runs vertically, the movement line 15 shown as an alternative in FIGS. 1 and 2 is with respect to a vertical plane only slightly inclined.
  • the movement means 30 shown in FIGS. 1 to 3 have two guide slides (guide shoes 31) arranged in pairs, which can be displaced along guides 21 or 22, ie parallel to the desired movement line 14 or 15, and with the winding 13, preferably the winding axis 13A is suitably coupled.
  • the coupling of the movement means 30 with the winding 13 takes place in the preferred embodiment shown in the drawing in that a joint 16 is arranged between the guide shoe 31 and the axis 13A of the winding 13, the joint 16 on the winding axis directly or indirectly on the winding core 17 of the winding 13 attacks.
  • This joint piece allows the winding axis 13A to have a certain mobility transversely to the direction of extension of the desired movement line 14 or 15, in particular a slight pendulum movement with a horizontal movement component of the axis 13A.
  • a deviation of this pendulum from a desired zero position, which corresponds to the desired position of the winding axis 13A along the movement line 14 or 15, can be used as a signal for the displacement means 20 to further lower the support roller axis 12A or an approximately too far preceding lowering by cancel the required amount.
  • other position detection means for the winding axis 13A are also conceivable, for. B. contact strips on both sides of the guides 21 and 22 which emit a signal in one direction or the other if the winding axis 13A begins to move away from the predetermined movement line 14 or 15 in one direction or the other.
  • measuring devices come into consideration for the movement means 30, which are suitable for detecting horizontal or vertical or horizontal and vertical deviations of the axis 13A of the winding 13 from the predetermined movement line 14 or 15 and the actual position of the axis 12A of the support roller 12 correct.
  • the guides 21 or 22 nor the guide shoes 31 are absolutely necessary.
  • the guides and the guide shoe represent a simple and functionally reliable mechanical means of realizing the desired movement line of the winding axis 13A as the winding process progresses and the windings 13; 13 ', 13' ', ... to be defined in their axial positions.
  • the movement means 30 ensure a predetermined course of the position of the winding axis 13A during the winding process, a simple and reliable implementation of an additional rotary drive of the winding to be produced can be realized in its center of rotation formed by the winding axis 13A.
  • Such a center drive reduces the torque to be transmitted from the support rollers 11 and 12 to the winding 13.
  • an improved structure of the winding i. H. enables an improved specification of the winding density.
  • a corresponding center drive motor is fastened on the guide shoe 31, possibly on the joint piece 16, the guides 21 or 22 or guides parallel to this ensure reliable guidance of the center drive on at least one side on the winding axis 13A .
  • a loading roller 6 known per se. 1 and 3
  • This is held by a cross member 7 and is movably mounted with respect to it in the direction of the double arrow 6A in order to be pressed in an approximately opposite position on the support rollers to the already produced roll with adjustable force.
  • the ensemble of traverse 7 and loading roller 6 follows the direction of the movement line 14 or 15 of the winding axis 13A with increasing diameter of the winding 13. This is indicated in FIGS. 1 and 3 by the double arrow 14A and a dash-dotted line. 1 and 3, the center of the pressure roller 6 preferably moves at a certain lateral distance from the movement line 14 of the winding axis 13A.
  • Any existing guides 21 or 22, or guides running parallel thereto can, if desired, also be provided for guiding the pressure roller 6 and traverse 7 ensemble.
  • the pressure roller 6 can also be moved by a cross member which can be pivoted about an axis 7A.
  • the line of movement of the loading roller 6 is in the form of a segment of a circle.
  • FIG. 2 shows a, in particular automatically operating, feed device 5 'for one or more winding cores 17 or 17', 17 '',... Which are located one behind the other in the axial direction and which are thus positioned above the starting position shown in FIG Winding 13 is that the transfer to a tensioning device 8 takes place in such a position in which the axes of the winding cores intersect the line of movement 14 of the winding axis 13A.
  • the feed device 5 'for the winding core feed is positioned in connection with the movement line 14.
  • the inclined movement line 15, which is also shown, is only indicated as an alternative, but is not taken into account in the following explanation.
  • the feed device 5 ' has at least one swivel arm 9, on the lower free end of which there is a receiving trough 9A for the positionally secure receiving of the winding cores 17; 17 ', 17'', ..., which can roll over an inclined surface 10 due to their gravity into the receiving trough 9A.
  • the swivel arm 9 can pivot from the receiving position shown with a solid line in FIG. 2 into the delivery position for the winding cores, in which the winding axes 13A intersect the movement line 14. In this position, the tensioning device 8, which is fastened to the guide shoe 31 (by means of the joint piece 16), engages the ends of the winding core.
  • the tensioning device engages a guide rod which penetrates all winding cores.
  • a subsequent lowering of the winding cores into the starting position for the winding process shown in Fig. 2 below is possible in that the swivel arm 9 is pivoted further beyond the transfer position and thus is released from the winding cores (left position of the swivel arm 9 in Fig. 2).
  • the lowering into the starting position is carried out by subsequently lowering the guide shoe 31.
  • FIG. 2 a handling device 50 is provided in FIG. 2 for changing the winding 13 after the end of a winding process. This is in its rest position in FIG. 2 and is explained in more detail with reference to the following FIGS. 3 to 5.
  • FIG. 3 shows the situation at the end of a winding process.
  • the finished wound roll 13 is still in the winding position - as is the support roller 12, which is reduced in comparison to the starting position (FIGS. 1 and 2) with an increase in distance from the support roller 11 such that the winding axis 13A of the winding 13 still has the predetermined movement line 14 always cuts.
  • the handling device 50 already shown in FIG. 2 is provided for changing the winding 13. It has a table-like traverse 55, which preferably extends parallel to the axis 11A of the support roller 11 and laterally next to this, i. H. is arranged in a position approximately between the two support rollers and is movably mounted.
  • a spindle or piston / cylinder unit 56 in cooperation with holding arms 57, enables the crossmember 55 to be pivoted about the axis 11A of the supporting roller 11. In FIG. 3, the holding arms 57 are still in the rest position already shown in FIG. 2.
  • the crossmember 55 can be pivoted by means of a second spindle or piston / cylinder unit 58 about an articulation point 59 at the connection point between the holding arms 57 and the crossmember 55.
  • the pivot position of the cross member 55 around the articulation point 59 is selected such that the cross member 55 is relative 3
  • the cross member 55 is pivoted against the support roller 11 in such a way that an elongated separating knife 52 provided on the cross member 55 is attached to the web 1 / webs 1 'wound around the support roller 11, 1'', ....
  • the separating knife 52 of the handling device 52 is combined with a clamping means or serves as a clamping means which clamps the web 1 / webs 1 ', 1'', ... wrapping around the support roller 11 on the support roller 11 when changing the reel holds in investment.
  • the support roller 12 is lowered even further by the displacement means 20 in the direction of the movement line 12C (FIG. 3).
  • the winding 13 remains in contact with both support rollers 11 and 12.
  • the cross member 55 is now pivoted through the now significantly larger spacing gap between the support rollers 11 and 12 by means of the piston / cylinder unit 56.
  • the support roller 11 is rotated a bit in the direction of arrow B. This is made possible by the clamping means on the cutting knife 52 in connection with the pivoting process of the holding arms 57 and the cross member 55 about the support roller axis 11A.
  • an arcuate contact surface 51 initially comes to rest on the periphery of the winding 13 and serves for further pivoting of the Traverse 55 as a rolling surface, by means of which the winding 13 is pushed beyond the apex of the support roller 12.
  • a roller lowering table 53 known per se which has previously been pivoted into its take-over position shown in FIG. 4 about its axis 53A, takes over the roll 13 rolling over the outer surface of the support roller 12 and subsequently lowers it by pivoting about its axis 53A (see FIG 5).
  • the traverse 55 is then pivoted further until the web end clamped by it on the support roller 11 has reached the position on the circumference of the support roller 11 in which the next winding process begins.
  • This position is indicated in FIGS. 5 and, in dashed lines, in FIG. 3 and corresponds to a position preferably between approximately 1:00 a.m. and 2:00 a.m.
  • the handling device 50 serving as a multifunction device is also provided with a glue supply 54, which is supplied via lines, not shown in the drawing, to a location near the separating knife 52 or the gluing nozzles located in the vicinity of the latter, so that the web end at the circumference of the crossmember 11 can be connected to a subsequently supplied winding core 17, winding core 17 ', 17'', ... and thus the next winding process can begin; alternatively, stationary or traversing adhesive tape dispensers can also be provided on the handling device 50 for fastening the web ends to the new winding core.
  • the support roller 12 has returned to its winding position and a new winding core is in the winding bed (FIGS. 1 and 2), the web / s 1; 1 ', 1'', ... held in the usual way by means of vacuum on the support roller 11.

Landscapes

  • Replacement Of Web Rolls (AREA)
  • Winding Of Webs (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Winding, Rewinding, Material Storage Devices (AREA)
  • Basic Packing Technique (AREA)

Abstract

In a double carrier-roll winder, in order to be able to produce large-calibre reels of good quality, the carrier rolls (11) and (12) have different diameters and different height positions. The main weight load of the reel is carried by the carrier roll (11), while the carrier roll (12) bears on the reel (13) with the smallest possible nip pressure which is sufficient to transmit to the reel the necessary torque difference to generate the desired reel tension. The carrier roll (12) can be lowered, with increasing reel diameter, according to the function that the reel axis (13A) is displaced along a predetermined vertical or slightly inclined movement line (14; 15), which preferably extends in a straight line. An additional centre drive, which becomes possible as a result, can improve the winding result still further. A handling device (50) serves as a multifunctional device for the reel change, in particular for the ejection of the reel, the clamping and bringing into position of the web end for the next reel and the severing of the finished reel from the material web (1; 1', 1'', ...). <IMAGE>

Description

Die Erfindung betrifft ein Verfahren zum Wickeln von Bahnen gemäß dem Oberbegriff von Anspruch 1 sowie eine Wickelvorrichtung zum Wickeln von Bahnen gemäß den Oberbegriffen der Ansprüche 2 und 17. Beim Wickeln von Bahnen mittels sogenannter Doppeltragwalzenwickelmaschinen tritt mit zunehmendem Rollengewicht des hergestellten Wickels sowie mit zunehmender Wickelgeschwindigkeit immer stärker das Problem der Gleichmäßigkeit der Wickeldichte bzw. des Verlaufs der Wickelhärte über den gesamten Rollendurchmesser in den Vordergrund. Die bisher vorgeschlagenen Lösungen zur Sicherstellung einer bestimmten Dichte oder Wickelspannung sind entweder sehr aufwendig oder nicht ausreichend zufriedenstellend bezüglich der Wickelqualität.The invention relates to a method for winding webs according to the preamble of claim 1 and a winding device for winding webs according to the preambles of claims 2 and 17. When winding webs by means of so-called double carrier roll winding machines, with increasing roll weight of the produced roll and with increasing winding speed, there always occurs more the problem of the uniformity of the winding density or the course of the winding hardness over the entire roll diameter in the foreground. The previously proposed solutions for ensuring a specific density or winding tension are either very complex or not sufficiently satisfactory with regard to the winding quality.

Ein gattungsgemäßes Verfahren und eine gattungsgemäße Vorrichtung sind aus dem US-Patent 4 465 243 bekannt. Gemäß dieser Druckschrift ist es vorgesehen, unter Verzicht auf eine Wickelwelle dadurch einen Wickel gleichmäßiger Dichte zu realisieren, daß die beiden Tragwalzen unterschiedlichen Durchmesser haben und ihre Achsen auf verschiedenen Höhenniveaus plaziert sind. In dieser Druckschrift wird eine Formel angegeben, nach der sich der Winkel der Verbindungslinie der beiden Tragwalzenachsen zur Horizontalrichtung in Abhängigkeit von den beiden Durchmessern der Tragwalzen, der Größe des Abstandsspaltes zwischen beiden Tragwalzen und dem maximal vorgesehenen Wickeldurchmesser berechnen läßt, welcher eine optimal gleichmäßige Wickeldichte gewährleistet. Dieser Winkel bleibt während des Wickelvorgangs unverändert.A generic method and a generic device are known from US Pat. No. 4,465,243. According to this document, it is provided that, without a winding shaft, a winding of uniform density can be realized in that the two support rollers have different diameters and their axes are placed at different height levels. In this document, a formula is given according to which the angle of the connecting line of the two support roller axes to the horizontal direction can be calculated depending on the two diameters of the support rollers, the size of the gap between the two support rollers and the maximum intended winding diameter, which ensures an optimally uniform winding density . This angle remains unchanged during the winding process.

Als theoretische Möglichkeit wird in dieser Druckschrift auch die Veränderbarkeit dieses Winkels erwähnt. Von dieser letztgenannten Variante geht die vorliegende Erfindung aus.The changeability of this angle is also mentioned in this publication as a theoretical possibility. The present invention is based on this latter variant.

Eine Zusammenfassung der bekannten Möglichkeiten, bei Doppeltragwalzenrollern die Wickelhärte zu steuern, ist in der deutschen Gebrauchsmusterschrift G 92 04 667.3 wiedergegeben. Diese Druckschrift wird daher durch Bezugnahme in die Offenbarung der vorliegenden Patentanmeldung miteinbezogen.A summary of the known options for controlling the winding hardness in double carrier roller rollers is given in the German utility model G 92 04 667.3. This document is therefore incorporated by reference into the disclosure of the present patent application.

Der Erfindung liegt die Aufgabe zugrunde, die eingangs erwähnten, auf die hohen Nipdrücke zwischen dem Wickel und den beiden Tragwalzen zurückgehenden Beschränkungen konventioneller Doppeltragwalzenroller zu vermindern.The invention has for its object to reduce the above-mentioned restrictions due to the high nip pressures between the winding and the two support rollers of conventional double support roller rollers.

Insbesondere ist es Gegenstand der Erfindung, ein Verfahren anzugeben, mit welchem der Nipdruck einer der beiden Tragwalzen soweit verringert wird, daß der notwendig verbleibende Nipdruck gerade noch ausreicht, den notwendingen Drehmomentunterschied zur Erzeugung der gewünschten Wickelspannung auf den Wickel zu übertragen. Dadurch entsteht eine Wickelvorrichtung, die eine einzige, großkalibrige Tragwalze mit einer einzigen, wesentlich kleiner kalibrigen Stützwalze kombiniert. Ein weitergehender Gegenstand der Erfindung ist dabei die zusätzliche Kombination mit einem Zentrumsantrieb für die während des Wickelvorgangs sich bezüglich der Tragwalze/n örtlich verlagernde Wickelachse.In particular, it is the object of the invention to provide a method with which the nip pressure of one of the two support rollers is reduced to such an extent that the nip pressure remaining is just sufficient to transmit the necessary torque difference to generate the desired winding tension on the winding. This creates a winding device that combines a single, large-caliber support roller with a single, much smaller-diameter support roller. A further object of the invention is the additional combination with a center drive for the winding axis which is displaced locally with respect to the support roller (s) during the winding process.

Ein weiterer Gegenstand der Erfindung ist eine Wickelvorrichtung mit zwei Tragwalzen, bei der durch fortschreitendes Senken der einen Tragwalze in Abhängigkeit vom zunehmenden Durchmesser des Wickels eine Achsverlagerung des Wickels entlang einer vorgegebenen, im wesentlichen vertikalen oder bezüglich der Vertikalen nur leicht geneigten Bewegungslinie ermöglicht wird. Auch bei diesem Gegenstand der Erfindung ist die Kombination mit einem Zentrumsantrieb für die Wickelachse besonders bevorzugt. Ein weiterer Gegenstand der Erfindung ist die Kombination des Doppeltragwalzenrollers mit einer automatischen Wickelhülsenzuführung, insbesondere für den Fall eines zusätzlichen Antriebs der Wickelachse mittels eines Zentrumantriebes.Another object of the invention is a winding device with two support rollers, in which, by progressively lowering the one support roller depending on the increasing diameter of the winding, an axial displacement of the winding along a predetermined, essentially vertical or only slightly inclined movement line with respect to the vertical is made possible. In this object of the invention, too, the combination with a center drive for the winding axis is particularly preferred. Another object of the invention is the combination of the double carrier roller roller with an automatic winding tube feed, in particular in the case of an additional drive of the winding axis by means of a central drive.

Ein noch weiterer Gegenstand der Erfindung ist eine Handlingeinrichtung für das Wechseln der Wickel nach Beendigung des Wickelvorgangs bei einem Doppeltragwalzenroller. Diese kann auch unabhängig von der Absenkung einer der Tragwalzen während des Wickelvorgangs und auch unabhängig von der Bewegung der Wickelachse entlang einer vorgegebenen Bewegungslinie vorteilhaft eingesetzt werden.Yet another object of the invention is a handling device for changing the reels after the winding process in a double carrier roller reel. This can also be used advantageously regardless of the lowering of one of the support rollers during the winding process and also independently of the movement of the winding axis along a predetermined movement line.

Die erfindungsgemäßen Lösungen ergeben sich im einzelnen aus den Patentansprüchen.The solutions according to the invention result in detail from the patent claims.

Weitere Einzelheiten, Merkmale und Vorteile des Gegenstandes der Erfindung ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Zeichnung, in der - beispielhaft - bevorzugte Ausführungsformen einer erfindungsgemäßen Wickelvorrichtung dargestellt sind. Die erfindungsgemäß zu verwendenden Bauteile unterliegen in ihrer Größe, Formgestaltung, Materialauswahl und technischen Konzeption keinen besonderen Ausnahmebedingungen, so daß die in dem jeweiligen Anwendungsgebiet bekannten Auswahlkriterien uneingeschränkt Anwendung finden können. In der Zeichnung zeigen:

Fig. 1
eine Wickelvorrichtung als Prinzipdarstellung in stirnseitiger Ansicht der Tragwalzen mit einer ersten Wickelkernzuführeinrichtung;
Fig. 2
das Kernstück einer alternativen Ausführungsform der Wickelvorrichtung mit einer zweiten Ausführungsform einer Wickelkernzuführung sowie einer alternativen Ausführungsform einer Belastungswalze und mit einer Handlingeinrichtung für das Wechseln der Wickel nach Beendigung des Wickelvorganges;
Fig. 3
eine andere Alternative der Ausführungsform nach Fig. 2, wobei die Belastungswalze gemäß der Ausführungsform nach Fig. 1 realisiert ist; die Arbeitsposition entspricht dem Abschluß des Wickelns unmittelbar vor dem Rollenwechsel;
Fig. 4
dieselbe Wickelvorrichtung wie in Fig. 3 ausschnittsweise in der Arbeitsposition des Rollenwechsels sowie
Fig. 5
dieselbe Wickelvorrichtung wie in Fig. 3 und 4 in der Arbeitsposition unmittelbar vor dem Abschluß des Rollenwechsels.
Further details, features and advantages of the subject matter of the invention result from the following description of the accompanying drawing, in which - by way of example - preferred embodiments of a winding device according to the invention are shown. The components to be used according to the invention are not subject to any special exceptional conditions in terms of their size, shape, choice of material and technical conception, so that the selection criteria known in the respective field of application can be used without restriction. The drawing shows:
Fig. 1
a winding device as a schematic diagram in an end view of the support rollers with a first winding core feed device;
Fig. 2
the core of an alternative embodiment of the winding device with a second embodiment of a winding core feed and an alternative embodiment of a loading roller and with a handling device for changing the winding after the winding process has ended;
Fig. 3
another alternative of the embodiment according to FIG. 2, wherein the loading roller is realized according to the embodiment according to FIG. 1; the working position corresponds to the completion of the winding immediately before the roll change;
Fig. 4
the same winding device as in Fig. 3 excerpts in the working position of the roll change and
Fig. 5
the same winding device as in Fig. 3 and 4 in the working position immediately before the completion of the roll change.

Wie aus Fig. 1 ersichtlich, wird/werden die in einer Wickelstation 2 (wieder) aufzuwickelnde Bahn 1 bzw. praktisch ohne Abstand nebeneinander laufenden Bahnen 1', 1'', ... zunächst von einer hinsichtlich ihres Durchmessers und ihrer Breite sehr großen Vorratsrolle 3 abgewickelt, mehrfach umgelenkt und wird die Bahn 1 ggf. bei 4 in parallele Teil bahnen 1', 1'', ... längsgeteilt. Dieser ganze, nicht zum Erfindungsgegenstand gehörende Anlagenteil ist in den weiteren Figuren der Übersichtlichkeit halber fortgelassen worden.As can be seen from FIG. 1, the web 1 to be wound up in a winding station 2 (or to be rewound) or webs 1 ', 1' ', ... running practically without spacing next to one another is initially very large in terms of its diameter and width Supply roll 3 unwound, deflected several times and the web 1, if necessary at 4 in parallel partial webs 1 ', 1' ', ... is longitudinally divided. This entire part of the system, which is not part of the subject matter of the invention, has been omitted in the further figures for the sake of clarity.

Die Wickelstation 2 besteht zum einen aus den antreibbaren Tragwalzen 11 und 12 und zum anderen aus Achsverlagerungsmitteln 20 zum achsparallelen Verlagern der Achse 12A der in Bahnlaufrichtung gesehen zweiten Tragwalze 12 bezüglich der Achse 11A der in Bahnlaufrichtung gesehen ersten Tragwalze 11 sowie aus Mitteln 30, die ein Senken der Achse 12A der zweiten Tragwalze 12 in Abhängigkeit vom zunehmenden Durchmesser Dw des aus der Bahn 1 bzw. den Bahnen 1', 1'', ... herzustellenden Wickels 13; 13', 13'', ... (siehe Fig. 2 bis 5) derart bewirken, daß sich die Achse 13A des Wickels 13 entlang einer vorgegebenen vertikalen Bewegungslinie 14 oder bezüglich einer vertikalen Ebene nur leicht geneigten Bewegungslinie 15 bewegt.The winding station 2 consists on the one hand of the drivable support rollers 11 and 12 and on the other hand of axis displacement means 20 for axially parallel displacement of the axis 12A of the second support roller 12 as seen in the direction of web travel with respect to the axis 11A of the first support roller 11 as viewed in the direction of web travel, and from means 30 for lowering the axis 12A of the second support roller 12 as a function of the increasing diameter D w of the Web 1 or webs 1 ', 1'', ... winding 13 to be produced; 13 ', 13'', ... (see FIGS. 2 to 5) cause the axis 13A of the winding 13 to move along a predetermined vertical line of movement 14 or only slightly inclined with respect to a vertical plane 15.

Die Tragwalzen 11 und 12 haben grundsätzlich einen unterschiedlichen Durchmesser und ihre Achsen 11A und 12A liegen während des Wickelns grundsätzlich in unterschiedlich hochgelegenen Horizontalebenen. In den in der Zeichnung dargestellten und insoweit bevorzugten Ausführungsbeispielen weist grundsätzlich die in Bahnlaufrichtung gesehen erste Tragwalze 11 den größeren und die zweite Tragwalze 12 den kleineren Durchmesser auf, wobei die Achse 12A der zweiten Tragwalze während des Wickelvorgangs höher als die Achse 11A der ersten Tragwalze gelegen ist. Außerdem ist in den dargestellten Ausführungsbeispielen zumindest die im Durchmesser kleinere Tragwalze 12 mit einem relativ nachgiebigeren Mantel 12B versehen. Beispiele für nachgiebige Umhüllungen von Tragwalzen sind u. a. aus der eingangs erwähnten deutschen Gebrauchsmusterschrift 92 04 667.3 und den darin zitierten Druckschriften bekannt.The support rollers 11 and 12 basically have a different diameter and their axes 11A and 12A are basically in horizontal planes at different heights during winding. In the exemplary embodiments shown in the drawing and in this respect preferred, the first support roller 11 seen in the web running direction has the larger and the second support roller 12 the smaller diameter, the axis 12A of the second support roller being higher than the axis 11A of the first support roller during the winding process is. In addition, in the exemplary embodiments shown, at least the support roller 12, which is smaller in diameter, is provided with a relatively more flexible jacket 12B. Examples of flexible envelopes of support rollers are u. a. known from the German utility model publication 92 04 667.3 mentioned at the beginning and the publications cited therein.

In dem in der Zeichnung dargestellten und insoweit bevorzugten Ausführungsbeispiel sind als Achsverlagerungsmittel 20 schwenkbare Arme 23 vorgesehen. Diese sind an den beiden Stirnenden der Tragwalze 12, d. h. paarweise angeordnet. An ihrem einen Ende befindet sich eine ortsfeste Schwenkachse 23A, ihr anderes Ende trägt die Drehachse 12A der Tragwalze 12. Die Wahl des Anbringungsortes der Schwenkachse 23A der schwenkbaren Arme 23 in Relation zur Lage der Achse 11A der Tragwalze 11 und deren Länge bestimmen die Form und die Lage der Bewegungslinie 12C der Achse 12A der Tragwalze 12. Wenn, wie dargestellt und insoweit bevorzugt, die Schwenkachse 23A seitlich der Achse 11A der Tragwalze 11 angeordnet ist, die beiden Achsen also nicht zusammenfallen, ändert sich der Abstand der Achsen 11A und 12A während des Verlagerns der Tragwalze 12. Die Lage der Schwenkachse 23A der schwenkbaren Arme 23 wird, wie dargestellt, bevorzugt so gewählt, daß sich der seitliche Abstand der Tragwalzen 11 und 12 mit zunehmendem Durchmesser des herzustellenden Wickels 13 vergrößert. Diese Abstandsvergrößerung ist besonders deutlich bei einem Vergleich der Arbeitspositionen in den Fig. 2 und 3 erkennbar. Der Schwenkvorgang der Arme 23 wird durch eine Schubstangeneinrichtung 24 bewirkt, wie sie in Fig. 1, 2, 4 und 5 in schematisierter Weise dargestellt ist. Bei dem Schwenkvorgang beschreibt das Schubstangenlager 24A einen Kreissegmentbogen um die Schwenkachse 23A des schwenkbaren Armes 23. Dies wird durch die Bewegungslinie 24C angedeutet. Bei dieser Schwenkbewegung bleibt die Achse 24B eines zweiten Schwenklagers der Schubstangeneinrichtung ortsfest, während sich die Schubstange 24D durch das zweite Schwenklager in Richtung des Doppelpfeiles ein gewisses Stück hindurchschiebt.In the exemplary embodiment shown in the drawing and to that extent preferred, pivotable arms 23 are provided as the axis displacement means 20. These are arranged on the two ends of the support roller 12, ie in pairs. There is a fixed pivot axis at one end 23A, its other end carries the axis of rotation 12A of the support roller 12. The choice of the location of the pivot axis 23A of the pivotable arms 23 in relation to the position of the axis 11A of the support roller 11 and its length determine the shape and position of the line of motion 12C of the axis 12A of the Support roller 12. If, as shown and so far preferred, the pivot axis 23A is arranged to the side of the axis 11A of the support roller 11, that is to say the two axes do not coincide, the distance between the axes 11A and 12A changes during the displacement of the support roller 12. The position of the The pivot axis 23A of the pivotable arms 23 is, as shown, preferably chosen so that the lateral distance between the support rollers 11 and 12 increases with increasing diameter of the roll 13 to be produced. This increase in distance can be seen particularly clearly when comparing the working positions in FIGS. 2 and 3. The pivoting process of the arms 23 is effected by a push rod device 24, as is shown schematically in FIGS. 1, 2, 4 and 5. During the pivoting process, the push rod bearing 24A describes a segment of a circle about the pivot axis 23A of the pivotable arm 23. This is indicated by the movement line 24C. During this pivoting movement, the axis 24B of a second pivot bearing of the push rod device remains stationary, while the push rod 24D pushes a certain distance through the second pivot bearing in the direction of the double arrow.

Wickelkerne 17; 17', 17'', ... werden, sofern sie Verwendung finden, bei dem Ausführungsbeispiel nach Fig. 1 mittels einer schwenkbaren Zuführeinrichtung 5 über den Scheitelpunkt der Tragwalze 11 hinweg der zwischen den Tragwalzen 11 und 12 gebildeten Tasche (Wickelbett 18) in an sich bekannter Weise zugeführt. In Fig. 1 ist die Positin der Aufnahme der Wickelkerne gestrichelt dargestellt, während die Position der Abgabe der Wickelkerne in die Tasche zwischen den beiden Tragwalzen mit ausgezogenen Linien dargestellt ist.Winding cores 17; 17 ', 17'', ..., if they are used, in the exemplary embodiment according to FIG. 1 by means of a pivotable feed device 5 over the apex of the supporting roller 11, the pocket (winding bed 18) formed between the supporting rollers 11 and 12 in supplied in a known manner. In Fig. 1, the position in the reception of the winding cores is shown in dashed lines, while the position the delivery of the winding cores in the pocket between the two support rollers is shown with solid lines.

Der Höhenunterschied der Achsen 11A und 12A der beiden Tragwalzen 11 und 12 sowie der Abstand dieser beiden Achsen zueinander und die Bewegungslinie 12C der Achse 12A der Tragwalze 12 sowie die Lageveränderung der Achse 12A der Tragwalze 12 mit zunehmendem Durchmesser des herzustellenden Wickels 13 können mittels der in der Zeichnung dargestellten und insoweit bevorzugten Wickelstationen 2 nun derart vorgegeben werden, daß während des gesamten Wickelvorgangs die Hauptlast des Wickels 13 stets von der ortsfesten Tragwalze 11 aufgenommen wird, während die Tragwalze 12 stets nur mit einem minimalen Nipdruck an dem Wickel 13 anliegt, der erforderlich ist, um den erforderlichen Drehmomentunterschied zur Erzeugung der gewünschten Wickelspannung auf den Wickel 13 zu übertragen. Auf diese Weise ist es mit relativ einfachen mechanischen Mitteln und vergleichsweise geringem Meß- und Regelaufwand möglich, auch Wickel mit relativ großem Enddurchmesser und entsprechend großem Gewicht mit der wünschenswerten Wickelspannung bzw. Änderung der Wickelspannung entsprechend dem aktuellen Durchmesser des bereits hergestellten Wickels zu realisieren.The difference in height of the axes 11A and 12A of the two support rollers 11 and 12 and the distance between these two axes to one another and the line of motion 12C of the axis 12A of the support roller 12 and the change in position of the axis 12A of the support roller 12 with increasing diameter of the roll 13 to be produced can by means of the in The drawing shown and in this respect preferred winding stations 2 can now be specified such that the main load of the winding 13 is always absorbed by the stationary support roller 11 during the entire winding process, while the support roller 12 is only present with a minimal nip pressure on the winding 13, which is required is to transfer the required torque difference to generate the desired winding tension on the winding 13. In this way it is possible, with relatively simple mechanical means and comparatively little measurement and control effort, to also realize coils with a relatively large final diameter and correspondingly large weight with the desirable winding tension or change in the winding tension in accordance with the current diameter of the winding already produced.

Die Mittel 30, die - wie bereits erwähnt - bewirken, daß beim Senken der Achsen 12A der Tragwalze 12 die Achsen 13A des herzustellenden Wickels 13 sich entlang vorgegebener Bewegungslinien 14, 15 bewegen, können auf verschiedene Weise realisiert werden. Bei den in der Zeichnung, insbesondere in Fig. 1 bis 3 dargestellten und insoweit bevorzugten Ausführungsformen sind die Bewegungslinien 14 bzw. 15 der Wickelachsen 13A gerade gestreckt. Während die Bewegungslinie 14 vertikal verläuft, ist die als Alternative in Fig. 1 und 2 wiedergegebene Bewegungslinie 15 bezüglich einer Vertikalebene lediglich leicht geneigt. Die in den Fig. 1 bis 3 dargestellten Bewegungsmittel 30 weisen zwei paarweise angeordnete Führungsschlitten (Führungsschuhe 31) auf, der mittels paarweise vorgesehener Führungen 21 oder 22 entlang, d. h. parallel zu der gewünschten Bewegungslinie 14 oder 15 verlaufend verschiebbar und mit dem Wickel 13, vorzugsweise der Wickelachse 13A in geeigneter Weise gekoppelt ist.The means 30, which - as already mentioned - cause the axes 13A of the roll 13 to be produced to move along predetermined movement lines 14, 15 when the axes 12A of the support roller 12 are lowered, can be implemented in various ways. In the embodiments shown in the drawing, in particular in FIGS. 1 to 3 and preferred in this respect, the movement lines 14 and 15 of the winding axes 13A are straight. While the movement line 14 runs vertically, the movement line 15 shown as an alternative in FIGS. 1 and 2 is with respect to a vertical plane only slightly inclined. The movement means 30 shown in FIGS. 1 to 3 have two guide slides (guide shoes 31) arranged in pairs, which can be displaced along guides 21 or 22, ie parallel to the desired movement line 14 or 15, and with the winding 13, preferably the winding axis 13A is suitably coupled.

Die Kopplung des Bewegungsmittels 30 mit dem Wickel 13 erfolgt in dem in der Zeichnung dargestellten und insoweit bevorzugten Ausführungsbeispiel dadurch, daß ein Gelenkstück 16 zwischen dem Führungsschuh 31 und der Achse 13A des Wickels 13 angeordnet ist, wobei das Gelenkstück 16 wickelachsenseitig direkt oder indirekt am Wickelkern 17 des Wickels 13 angreift. Dieses Gelenkstück gestattet der Wickelachse 13A eine gewisse Beweglichkeit quer zur Erstreckungsrichtung der gewünschten Bewegungslinie 14 oder 15, insbesondere eine geringfügige Pendelbewegung mit einer horizontalen Bewegungskomponente der Achse 13A. Eine Abweichung dieses Pendels von einer gewünschten Nullage, die der Sollposition der Wickelachse 13A entlang der Bewegungslinie 14 bzw. 15 entspricht, kann als Signal für das Verlagerungsmittel 20 verwendet werden, die Tragwalzenachse 12A weiter zu senken oder eine etwa zu weit gehende vorangehende Senkung um den erforderlichen Betrag rückgängig zu machen. - Es versteht sich, daß anstelle eines Gelenkstückes 16 auch andere Positionserfassungsmittel für die Wickelachse 13A denkbar sind, z. B. Kontaktleisten beidseits der Führungen 21 bzw. 22, die ein Signal in die eine oder andere Richtung abgeben, falls die Wickelachse 13A nach der einen oder anderen Richtung von der vorgegebenen Bewegungslinie 14 bzw. 15 sich zu entfernen beginnt.The coupling of the movement means 30 with the winding 13 takes place in the preferred embodiment shown in the drawing in that a joint 16 is arranged between the guide shoe 31 and the axis 13A of the winding 13, the joint 16 on the winding axis directly or indirectly on the winding core 17 of the winding 13 attacks. This joint piece allows the winding axis 13A to have a certain mobility transversely to the direction of extension of the desired movement line 14 or 15, in particular a slight pendulum movement with a horizontal movement component of the axis 13A. A deviation of this pendulum from a desired zero position, which corresponds to the desired position of the winding axis 13A along the movement line 14 or 15, can be used as a signal for the displacement means 20 to further lower the support roller axis 12A or an approximately too far preceding lowering by cancel the required amount. - It goes without saying that, instead of a joint piece 16, other position detection means for the winding axis 13A are also conceivable, for. B. contact strips on both sides of the guides 21 and 22 which emit a signal in one direction or the other if the winding axis 13A begins to move away from the predetermined movement line 14 or 15 in one direction or the other.

Ganz allgemein kommen für die Bewegungsmittel 30 Meßeinrichtungen in Betracht, die dazu geeignet sind, horizontale oder vertikale oder horizontale und vertikale Abweichungen der Achse 13A des Wickels 13 von der vorgegebenen Bewegungslinie 14 bzw. 15 zu erfassen und die Istposition der Achse 12A der Tragwalze 12 zu korrigieren. Zu diesem Zweck sind weder die Führungen 21 bzw. 22 noch die Führungsschuhe 31 zwingend erforderlich. Gleichwohl stellen die Führungen und der Führungsschuh ein einfaches und funktionssicheres mechanisches Mittel dar, die gewünschte Bewegungslinie der Wickelachse 13A mit fortschreitendem Wickelvorgang zu realisieren und die Wickel 13; 13', 13'', ... in ihrer/ihren achsialen Positionen zu definieren.In general, measuring devices come into consideration for the movement means 30, which are suitable for detecting horizontal or vertical or horizontal and vertical deviations of the axis 13A of the winding 13 from the predetermined movement line 14 or 15 and the actual position of the axis 12A of the support roller 12 correct. For this purpose, neither the guides 21 or 22 nor the guide shoes 31 are absolutely necessary. Nevertheless, the guides and the guide shoe represent a simple and functionally reliable mechanical means of realizing the desired movement line of the winding axis 13A as the winding process progresses and the windings 13; 13 ', 13' ', ... to be defined in their axial positions.

Dadurch, daß die Bewegungsmittel 30 einen vorgegebenen Verlauf der Lage der Wickelachse 13A während des Wickelvorganges sicherstellen, wird eine einfache und funktionssichere Realisierung eines zusätzlichen Drehantriebs des herzustellenden Wickels in seinem von der Wickelachse 13A gebildeten Drehzentrum (Zentrumsantrieb) realisierbar. Durch einen derartigen Zentrumsantrieb wird das von den Tragwalzen 11 und 12 auf den Wickel 13 zu übertragende Drehmoment verringert. Insbesondere wird ein verbesserter Aufbau des Wickels, d. h. eine verbesserte Vorgabe der Wickeldichte ermöglicht.Characterized in that the movement means 30 ensure a predetermined course of the position of the winding axis 13A during the winding process, a simple and reliable implementation of an additional rotary drive of the winding to be produced can be realized in its center of rotation formed by the winding axis 13A. Such a center drive reduces the torque to be transmitted from the support rollers 11 and 12 to the winding 13. In particular, an improved structure of the winding, i. H. enables an improved specification of the winding density.

Bei den in Fig. 1 bis 3 dargestellten Ausführungsformen ist ein entsprechender Zentrumsantriebsmotor an dem Führungsschuh 31, ggf. an dem Gelenkstück 16 befestigt, wobei die Führungen 21 bzw. 22 oder dazu parallele Führungen eine sichere Führung des mindestens einseitigen Zentrumsantriebes an der Wickelachse 13A sicherstellen.In the embodiments shown in FIGS. 1 to 3, a corresponding center drive motor is fastened on the guide shoe 31, possibly on the joint piece 16, the guides 21 or 22 or guides parallel to this ensure reliable guidance of the center drive on at least one side on the winding axis 13A .

Vor allem dann, wenn ein Zentrumsantrieb für die Wickelachse 13A nicht vorgesehen ist, kann es sinnvoll sein, eine an sich bekannte Belastungswalze 6 zu verwenden. Diese ist in den Fig. 1 und 3 dargestellten Ausführungsbeispielen von einer Traverse 7 gehalten und bezüglich dieser in Richtung des Doppelpfeiles 6A beweglich gelagert, um in einer den Tragwalzen etwa gegenüberliegenden Position an den bereits hergestellten Wickel mit einstellbarer Kraft angedrückt zu werden. Das Ensemble aus Traverse 7 und Belastungswalze 6 folgt mit zunehmendem Durchmesser des Wickels 13 der Richtung der Bewegungslinie 14 bzw. 15 der Wickelachse 13A. Dies ist in Fig. 1 und 3 durch den Doppelpfeil 14A und eine strichpunktierte Linie angedeutet. Wie aus den Fig. 1 und 3 erkennbar, bewegt sich das Zentrum der Andrückwalze 6 vorzugsweise mit einem gewissen seitlichen Abstand von der Bewegungslinie 14 der Wickelachse 13A. Etwa vorhandene Führungen 21 bzw. 22, oder dazu parallel verlaufende Führungen können gewünschtenfalls auch für die Führung des Ensembles Andrückwalze 6 und Traverse 7 vorgesehen sein.Especially when a center drive for the winding axis 13A is not provided, it can be useful to use a loading roller 6 known per se. 1 and 3, this is held by a cross member 7 and is movably mounted with respect to it in the direction of the double arrow 6A in order to be pressed in an approximately opposite position on the support rollers to the already produced roll with adjustable force. The ensemble of traverse 7 and loading roller 6 follows the direction of the movement line 14 or 15 of the winding axis 13A with increasing diameter of the winding 13. This is indicated in FIGS. 1 and 3 by the double arrow 14A and a dash-dotted line. 1 and 3, the center of the pressure roller 6 preferably moves at a certain lateral distance from the movement line 14 of the winding axis 13A. Any existing guides 21 or 22, or guides running parallel thereto, can, if desired, also be provided for guiding the pressure roller 6 and traverse 7 ensemble.

Wie aus Fig. 2 erkennbar, kann die Andrückwalze 6 auch von einer um eine Achse 7A schwenkbaren Traverse bewegt werden. Die Bewegungslinie der Belastungswalze 6 ist kreissegmentförmig.As can be seen from FIG. 2, the pressure roller 6 can also be moved by a cross member which can be pivoted about an axis 7A. The line of movement of the loading roller 6 is in the form of a segment of a circle.

Im übrigen sei betont, daß in den Figuren die Größenverhältnisse der einzelnen Bauteile zueinander nicht maßstäblich sind. Vielmehr sind die erfindungswesentlichen Bauteile zum Teil vergrößert dargestellt. Dies gilt vor allem in Fig. 1 für die Wickelstation 2 im Verhältnis zur Vorratsrolle 3 und der Führung der wieder aufzuwickelnden Bahn 1 sowie den Längsteiler 4.It should also be emphasized that the size relationships of the individual components in the figures are not to scale. Rather, the components essential to the invention are shown partially enlarged. This applies above all in FIG. 1 for the winding station 2 in relation to the supply roll 3 and the guidance of the web 1 to be rewound and the longitudinal divider 4.

Aus Fig. 2 ist eine, insbesondere automatisch arbeitende Zuführeinrichtung 5' für einen oder mehrere in Achsrichtung hintereinander liegende Wickelkerne 17 bzw. 17', 17'', ... wiedergegeben, die sich derart oberhalb der in Fig. 2 dargestellten Startposition des herzustellenden Wickels 13 befindet, daß die Übergabe an eine Spannvorrichtung 8 in einer solchen Position erfolgt, in der die Achsen der Wickelkerne die Bewegungslinie 14 der Wickelachse 13A schneiden. In Fig. 2 ist die Zuführeinrichtung 5' für die Wickelkernzuführung im Zusammenhang mit der Bewegungslinie 14 positioniert. Die ebenfalls eingezeichnete geneigte Bewegungslinie 15 ist lediglich als Alternative angedeutet, bleibt bei der nachfolgenden Erläuterung jedoch außer Betracht.FIG. 2 shows a, in particular automatically operating, feed device 5 'for one or more winding cores 17 or 17', 17 '',... Which are located one behind the other in the axial direction and which are thus positioned above the starting position shown in FIG Winding 13 is that the transfer to a tensioning device 8 takes place in such a position in which the axes of the winding cores intersect the line of movement 14 of the winding axis 13A. In FIG. 2, the feed device 5 'for the winding core feed is positioned in connection with the movement line 14. The inclined movement line 15, which is also shown, is only indicated as an alternative, but is not taken into account in the following explanation.

In dem in Fig. 2 dargestellten und insoweit bevorzugten Ausführungsbeispiel weist die Zuführeinrichtung 5' mindestens einen Schwenkarm 9 auf, an dessen unterem freien Ende sich eine Aufnahmemulde 9A zur lagegesicherten Aufnahme der Wickelkerne 17; 17', 17'', ... befindet, die über eine geneigte Fläche 10 aufgrund ihrer Schwerkraft in die Aufnahmemulde 9A hineinrollen können. Der Schwenkarm 9 kann aus der in Fig. 2 mit durchgezogener Linie dargestellten Aufnahmeposition in die Abgabeposition für die Wickelkerne schwenken, in der die Wickelachsen 13A die Bewegungslinie 14 schneiden. In dieser Position greift die Spannvorrichtung 8, die am Führungsschuh 31 befestigt ist (mittels des Gelenkstücks 16), die Wickelkernenden. Im Falle mehrerer hintereinanderliegender Wickelkerne 17', 17'', ... greift die Spannvorrichtung eine sämtliche Wickelkerne durchdringende Führungsstange. Ein nachfolgendes Absenken der Wickelkerne in die in Fig. 2 unten dargestellte Startposition für den Wickelvorgang wird dadurch möglich, daß der Schwenkarm 9 über die Übergabeposition hinaus weitergeschwenkt wird und somit von den Wickelkernen freikommt (linke Position des Schwenkarmes 9 in Fig. 2). Die Absenkung in die Startposition erfolgt durch nachfolgendes Absenken des Führungsschuhs 31.In the exemplary embodiment shown in FIG. 2 and to that extent preferred, the feed device 5 'has at least one swivel arm 9, on the lower free end of which there is a receiving trough 9A for the positionally secure receiving of the winding cores 17; 17 ', 17'', ..., which can roll over an inclined surface 10 due to their gravity into the receiving trough 9A. The swivel arm 9 can pivot from the receiving position shown with a solid line in FIG. 2 into the delivery position for the winding cores, in which the winding axes 13A intersect the movement line 14. In this position, the tensioning device 8, which is fastened to the guide shoe 31 (by means of the joint piece 16), engages the ends of the winding core. In the case of a plurality of winding cores 17 ', 17'', ... lying one behind the other, the tensioning device engages a guide rod which penetrates all winding cores. A subsequent lowering of the winding cores into the starting position for the winding process shown in Fig. 2 below is possible in that the swivel arm 9 is pivoted further beyond the transfer position and thus is released from the winding cores (left position of the swivel arm 9 in Fig. 2). The lowering into the starting position is carried out by subsequently lowering the guide shoe 31.

Die Zuführeinrichtung 5' kann also einfacherweise ortsfest an der Wickelstation positioniert sein.The feed device 5 'can therefore simply be positioned in a stationary manner on the winding station.

Schließlich ist in Fig. 2 eine Handlingeinrichtung 50 für das Wechseln der Wickel 13 nach Beendigung eines Wickel vorgangs vorgesehen. Diese befindet sich in Fig. 2 in ihrer Ruheposition und wird anhand der nachfolgenden Fig. 3 bis 5 näher erläutert.Finally, a handling device 50 is provided in FIG. 2 for changing the winding 13 after the end of a winding process. This is in its rest position in FIG. 2 and is explained in more detail with reference to the following FIGS. 3 to 5.

In Fig. 3 ist die Situation am Ende eines Wickelvorgangs dargestellt. Der fertig gewickelte Wickel 13 befindet sich noch in der Wickelposition - ebenso die Tragwalze 12, die im Vergleich zur Startposition (Fig. 1 und 2) unter Abstandsvergrößerung zur Tragwalze 11 derart gesenkt ist, daß die Wickelachse 13A des Wickels 13 die vorgegebene Bewegungslinie 14 noch immer schneidet.3 shows the situation at the end of a winding process. The finished wound roll 13 is still in the winding position - as is the support roller 12, which is reduced in comparison to the starting position (FIGS. 1 and 2) with an increase in distance from the support roller 11 such that the winding axis 13A of the winding 13 still has the predetermined movement line 14 always cuts.

Für das Wechseln des Wickels 13 ist die bereits in Fig. 2 dargestellte Handlingeinrichtung 50 vorgesehen. Sie weist eine tischähnliche Traverse 55 auf, welche sich vorzugsweise parallel zur Achse 11A der Tragwalze 11 erstreckt und seitlich neben dieser, d. h. in einer Position etwa zwischen den beiden Tragwalzen angeordnet und bewegbar gelagert ist. Eine Spindel- oder Kolben/Zylinder-Einheit 56 ermöglicht im Zusammenwirken mit Haltearmen 57 ein Verschwenken der Traverse 55 um die Achse 11A der Tragwalze 11. In Fig. 3 befinden sich die Haltearme 57 immer noch in der bereits in Fig. 2 wiedergegebenen Ruheposition. Die Traverse 55 ist mittels einer zweiten Spindel- oder Kolben/Zylinder-Einheit 58 um einen Anlenkpunkt 59 an der Verbindungsstelle zwischen den Haltearmen 57 und der Traverse 55 schwenkbar.The handling device 50 already shown in FIG. 2 is provided for changing the winding 13. It has a table-like traverse 55, which preferably extends parallel to the axis 11A of the support roller 11 and laterally next to this, i. H. is arranged in a position approximately between the two support rollers and is movably mounted. A spindle or piston / cylinder unit 56, in cooperation with holding arms 57, enables the crossmember 55 to be pivoted about the axis 11A of the supporting roller 11. In FIG. 3, the holding arms 57 are still in the rest position already shown in FIG. 2. The crossmember 55 can be pivoted by means of a second spindle or piston / cylinder unit 58 about an articulation point 59 at the connection point between the holding arms 57 and the crossmember 55.

Während in Fig. 2 die Schwenkposition der Traverse 55 um den Anlenkpunkt 59 so gewählt ist, daß die Traverse 55 bezüglich beider Tragwalzen 11 und 12 außer Berührung ist, ist in Fig. 3 die Traverse 55 derart gegen die Tragwalze 11 verschwenkt, daß ein an der Traverse 55 vorgesehenes längliches Trennmesser 52 an der/den um die Tragwalze 11 geschlungenen Bahn 1/Bahnen 1', 1'', ....2, the pivot position of the cross member 55 around the articulation point 59 is selected such that the cross member 55 is relative 3, the cross member 55 is pivoted against the support roller 11 in such a way that an elongated separating knife 52 provided on the cross member 55 is attached to the web 1 / webs 1 'wound around the support roller 11, 1'', ....

Der Trennvorgang der Bahn/Bahnen mittels des Trennmessers 52 erfolgt im Zusammenhang mit dem Ausstoßen des fertigen Wickels 13 aus der Wickelposition. Dies ist in Fig. 4 dargestellt.The separation process of the web / webs by means of the cutting knife 52 takes place in connection with the ejection of the finished roll 13 from the winding position. This is shown in FIG. 4.

Wie aus Fig. 4 ersichtlich, ist das Trennmesser 52 der Handlingeinrichtung 52 mit einem Klemmittel kombiniert oder dient als Klemmittel, welches die die Tragwalze 11 umschlingende Bahn 1/Bahnen 1', 1'', ... an der Tragwalze 11 beim Rollenwechsel klemmend in Anlage hält. Um den fertigen Wickel 13 aus seiner Wickelposition auszustoßen, wird einerseits die Tragwalze 12 durch das Verlagerungsmittel 20 in Richtung der Bewegungslinie 12C (Fig. 3) noch weiter gesenkt. Dabei bleibt der Wickel 13 an beiden Tragwalzen 11 und 12 in Anlage. Der Wickel 13 bzw. die hintereinander liegenden Wickel 13', 13'', ... rollen dabei über die Außenfläche der Tragwalze 11 ab, während sich die Tragwalze 12 in Richtung des Pfeiles A frei dreht. Um den Wickel 13 von der Tragwalze 11 abzurücken, wird nunmehr die Traverse 55 durch den jetzt deutlich größeren Abstandsspalt zwischen den Tragwalzen 11 und 12 mittels der Kolben/Zylinder-Einheit 56 hindurchgeschwenkt. Dabei wird die Tragwalze 11 in Richtung des Pfeiles B ein Stück verdreht. Dies wird möglich durch das Klemmittel am Trennmesser 52 in Verbindung mit dem Schwenkvorgang der Haltearme 57 und der Traverse 55 um die Tragwalzenachse 11A. Bei dieser Schwenkbewegung kommt eine bogenförmige Anlagefläche 51 an der Peripherie des Wickels 13 zunächst zur Anlage und dient bei weiterem Verschwenken der Traverse 55 als Abrollfläche, mittels der der Wickel 13 über den Scheitel der Tragwalze 12 hinaus gedrängt wird. Ein an sich bekannter Rollenabsenktisch 53, der zuvor in seine in Fig. 4 dargestellte Übernahmeposition um seine Achse 53A geschwenkt worden ist, übernimmt den über die Außenfläche der Tragwalze 12 abrollenden Wickel 13 und senkt diesen nachfolgend durch Verschwenken um seine Achse 53A ab (siehe Fig. 5).As can be seen from FIG. 4, the separating knife 52 of the handling device 52 is combined with a clamping means or serves as a clamping means which clamps the web 1 / webs 1 ', 1'', ... wrapping around the support roller 11 on the support roller 11 when changing the reel holds in investment. In order to eject the finished roll 13 from its winding position, on the one hand the support roller 12 is lowered even further by the displacement means 20 in the direction of the movement line 12C (FIG. 3). The winding 13 remains in contact with both support rollers 11 and 12. The roll 13 or the rolls 13 ', 13'', ... lying one behind the other roll over the outer surface of the support roller 11 while the support roller 12 rotates freely in the direction of arrow A. In order to move the winding 13 away from the support roller 11, the cross member 55 is now pivoted through the now significantly larger spacing gap between the support rollers 11 and 12 by means of the piston / cylinder unit 56. The support roller 11 is rotated a bit in the direction of arrow B. This is made possible by the clamping means on the cutting knife 52 in connection with the pivoting process of the holding arms 57 and the cross member 55 about the support roller axis 11A. During this pivoting movement, an arcuate contact surface 51 initially comes to rest on the periphery of the winding 13 and serves for further pivoting of the Traverse 55 as a rolling surface, by means of which the winding 13 is pushed beyond the apex of the support roller 12. A roller lowering table 53 known per se, which has previously been pivoted into its take-over position shown in FIG. 4 about its axis 53A, takes over the roll 13 rolling over the outer surface of the support roller 12 and subsequently lowers it by pivoting about its axis 53A (see FIG 5).

Durch das Abrücken des Wickels 13 von der Tragwalze 11 mittels der Traverse 55 legt sich das Bahnende des Wickels 13 um das Trennmesser 52 herum, was beim Weiterbewegen des Wickels 13 in Richtung des Pfeil es C zum Durchtrennen der Bahn/Bahnen führt.By moving the roll 13 away from the support roller 11 by means of the cross member 55, the end of the roll 13 wraps around the separating knife 52, which, when the roll 13 is moved further in the direction of the arrow C, leads to the web being cut.

Nachfolgend wird die Traverse 55 im Bedarfsfalle noch weiter verschwenkt, bis das von ihr auf der Tragwalze 11 festgeklemmte Bahnende diejenige Position am Umfang der Tragwalze 11 erreicht hat, in der der nächste Wickelvorgang beginnt. Diese Position ist in den Fig. 5 und, gestrichelt, in Fig. 3 angegeben und entspricht einer Position vorzugsweise zwischen etwa 1.00 Uhr und 2.00 Uhr.If necessary, the traverse 55 is then pivoted further until the web end clamped by it on the support roller 11 has reached the position on the circumference of the support roller 11 in which the next winding process begins. This position is indicated in FIGS. 5 and, in dashed lines, in FIG. 3 and corresponds to a position preferably between approximately 1:00 a.m. and 2:00 a.m.

Die als Multifunktionseinrichtung dienende Handlingeinrichtung 50 ist ferner mit einem Leimvorrat 54 versehen, welcher über in der Zeichnung nicht dargestellte Leitungen einer Stelle nahe des Trennmessers 52 bzw. des in dessen Nähe befindlichen Klemmittels angeordneten Beleimungsdüsen Leim zugeführt wird, so daß das Bahnende am Umfang der Traverse 11 mit einem nachfolgend zugeführten Wickelkern 17, Wickelkern 17', 17'', ... verbindbar ist und somit der nächste Wickelvorgang beginnen kann; alternativ können für die Befestigung der Bahnenden am neuen Wickelkern auch ortsfeste oder traversierende Klebebandspender an der Handlingeinrichtung 50 vorgesehen sein.The handling device 50 serving as a multifunction device is also provided with a glue supply 54, which is supplied via lines, not shown in the drawing, to a location near the separating knife 52 or the gluing nozzles located in the vicinity of the latter, so that the web end at the circumference of the crossmember 11 can be connected to a subsequently supplied winding core 17, winding core 17 ', 17'', ... and thus the next winding process can begin; alternatively, stationary or traversing adhesive tape dispensers can also be provided on the handling device 50 for fastening the web ends to the new winding core.

Bis die Multifunktionseinrichtung 50 wieder in ihre Ruhestellung zurückgekehrt ist, die Tragwalze 12 ihre Wickelposition wieder eingenommen hat und ein neuer Wickelkern im Wickelbett liegt (Fig. 1 und 2), wird/werden die Bahn/en 1; 1', 1'', ... in üblicher Weise mittels Vakuum an der Tragwalze 11 in Anlage gehalten.Until the multifunction device 50 has returned to its rest position, the support roller 12 has returned to its winding position and a new winding core is in the winding bed (FIGS. 1 and 2), the web / s 1; 1 ', 1'', ... held in the usual way by means of vacuum on the support roller 11.

Bezugszeichenliste:Reference symbol list:

11
Bahntrain
1'1'
Bahntrain
1''1''
Bahntrain
22nd
WickelstationChanging station
33rd
VorratsrolleSupply roll
44th
LängsteilerLength divider
55
ZuführeinrichtungFeeding device
5'5 '
ZuführeinrichtungFeeding device
66
BelastungswalzeLoading roller
6A6A
DoppelpfeilDouble arrow
77
Traversetraverse
88th
SpannvorrichtungJig
99
SchwenkarmSwivel arm
9A9A
AufnahmemuldeReceiving trough
1010th
Flächesurface
1111
TragwalzeCarrier roller
11A11A
TragwalzenachseCarrier roller axis
11B11B
TragwalzenmantelCarrier roll jacket
1212th
TragwalzeCarrier roller
12A12A
TragwalzenachseCarrier roller axis
12B12B
TragwalzenmantelCarrier roll jacket
12C12C
TragwalzenbewegungslinieCarrier roller movement line
1313
WickelWrap
13'13 '
WickelWrap
13''13 ''
WickelWrap
13A13A
WickelachseWinding axis
1414
BewegungslinieLine of motion
14A14A
DoppelpfeilDouble arrow
1515
BewegungslinieLine of motion
1616
GelenkstückJoint piece
1717th
WickelkernWinding core
17'17 '
WickelkernWinding core
17''17 ''
WickelkernWinding core
1818th
WickelbettChanging bed
2020th
VerlagerungsmittelMeans of displacement
2121
Führungguide
2222
Führungguide
2323
SchwenkarmSwivel arm
23A23A
SchwenkarmachseSwivel arm axis
2424th
SchubstangeneinrichtungPush rod device
24A24A
SchwenkachseSwivel axis
24B24B
SchwenkachseSwivel axis
24C24C
BewegungslinieLine of motion
24D24D
SchubstangePush rod
3030th
BewegungsmittelMeans of movement
3131
FührungsschuhGuide shoe
5050
HandlingeinrichtungHandling device
5151
AuflageflächeContact surface
5252
TrennmesserCutting knife
5353
RollenabsenktischRoller lowering table
5454
LeimvorratGlue supply
5555
Traversetraverse
5656
Kolben/Zylinder-EinheitPiston / cylinder unit
5757
HaltearmeHolding arms
5858
Kolben/Zylinder-EinheitPiston / cylinder unit
5959
AnlenkpunktPivot point
AA
Pfeilarrow
BB
Pfeilarrow
CC.
Pfeilarrow
D₁D₁
TragwalzendurchmesserCarrier roller diameter
D₂D₂
TragwalzendurchmesserCarrier roller diameter
Dw D w
WickeldurchmesserWinding diameter

Claims (18)

Verfahren zum Wickeln von Bahnen (1; 1', 1'', ...) aus Papier od. dgl., bei dem der Wickel (13) mindestens an einer ersten und einer zweiten Tragwalze (11 und 12) während des Wickelns anliegt, von denen die eine Tragwalze, vorzugsweise die in Bahnlaufrichtung gesehen erste Tragwalze (11), einen größeren Durchmesser (D₁) als die andere Tragwalze (12) aufweist und die Achse (12A) der anderen Tragwalze (12) während des Wickelns höher als die Achse (11A) der einen Tragwalze (11) gelegen ist, und bei dem die Achse (12A) der anderen Tragwalze (12) bezüglich der Achse (11A) der Tragwalze (11) während des Wickelns achsparallel verlagert wird,
dadurch gekennzeichnet,
daß stets die Tragwalze (11) mit dem größeren Durchmesser (D₁), den überwiegenden Teil der Last beim Wickeln trägt und die Tragwalze mit dem kleineren Durchmesser (D₂), die vorzugsweise mit einem nachgiebigen Belag (Mantel 12B) versehen ist, während des gesamten Wickelvorganges lediglich mit einem derart geringen Nipdruck belastet wird, daß dieser gerade ausreicht, den notwendigen Drehmomentunterschied zur Erzeugung der gewünschten Wickelspannung auf den Wickel (13) zu übertragen.
Method for winding webs (1; 1 ', 1'', ...) made of paper or the like, in which the winding (13) bears against at least a first and a second support roller (11 and 12) during the winding , of which one support roller, preferably the first support roller (11) seen in the direction of web travel, has a larger diameter (D 1) than the other support roller (12) and the axis (12A) of the other support roller (12) during winding is higher than that Axis (11A) of one support roller (11) is located, and in which the axis (12A) of the other support roller (12) is displaced axially parallel with respect to the axis (11A) of the support roller (11) during winding,
characterized by
that always the support roller (11) with the larger diameter (D₁) carries the major part of the load during winding and the support roller with the smaller diameter (D₂), which is preferably provided with a resilient coating (jacket 12B), throughout Winding process is loaded only with such a low nip pressure that this is just sufficient to transfer the necessary torque difference to generate the desired winding tension on the winding (13).
Wickelvorrichtung zum Wickeln von Bahnen (1; 1', 1'', ...) aus Papier od. dgl. mit zumindest einer ersten und einer zweiten Tragwalze (11 und 12), an denen der Wickel (13) während des Wickelns anliegt, bei der eine der beiden Tragwalzen, vorzugsweise die in Bahnlaufrichtung gesehen erste Tragwalze (11) einen größeren Durchmesser (D₁) als die andere Tragwalze (12) aufweist und die Achse (12A) der anderen Tragwalze (12) während des Wickelns höher als die Achse (11A) der einen Tragwalze (11) gelegen ist und die Wickelvorrichtung Achsverlagerungsmittel (20) zum achsparallelen Verlagern der Achse (12A) der anderen Tragwalze (12) bezüglich der Achse (11A) der einen Tragwalze (11) aufweist,
dadurch gekennzeichnet
daß mit den Achsverlagerungsmitteln (20) wirkverbundene Mittel (30) vorgesehen sind, die ein Senken der Achse (12A) der zweiten Tragwalze (12) in Abhängigkeit vom zunehmenden Durchmesser (Dw) des Wickels (13) derart bewirken, daß sich die Achse (13A) des/der Wickel/s (13; 13', 13'', ...) entlang einer vorgegebenen, vertikalen oder bezüglich einer Vertikal ebene nur leicht geneigten Bewegungslinie (14; 15) bewegt/bewegen.
Winding device for winding webs (1; 1 ', 1'', ...) made of paper or the like with at least a first and a second support roller (11 and 12), against which the winding (13) bears during winding , in which one of the two support rollers, preferably the first support roller (11) seen in the web running direction, has a larger diameter (D 1) than the other support roller (12) and the axis (12A) of the other support roller (12) during winding is higher than that Axis (11A) of a support roller (11) is located and the winding device has axis displacement means (20) for axially parallel displacement of the axis (12A) of the other support roller (12) with respect to the axis (11A) of the one support roller (11),
characterized
that means (30) operatively connected to the axle displacement means (20) are provided which cause the axle (12A) of the second support roller (12) to lower as a function of the increasing diameter (D w ) of the winding (13) in such a way that the axle moves (13A) of the winding (s) (13; 13 ', 13'', ...) moves / move along a predetermined, vertical or only slightly inclined movement line (14; 15) with respect to a vertical plane.
Wickelvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Bewegungslinie (14; 15) gerade gestreckt ist.Winding device according to claim 2, characterized in that the line of movement (14; 15) is straight. Wickelvorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß die Bewegungsmittel (30) Führungen (21; 22) für die Achse (13A) des Wickels (13) oder einen die Achse (13A) aufnehmenden Führungsschuh (31) aufweisen und die Führungen (21; 22) parallel zu der Bewegungsschiene (14; 15) verlaufend angeordnet sind.Winding device according to claim 2 or 3, characterized in that the movement means (30) have guides (21; 22) for the axis (13A) of the winding (13) or a guide shoe (31) receiving the axis (13A) and the guides ( 21; 22) are arranged running parallel to the movement rail (14; 15). Wickelvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß ein Gelenkstück (16) zwischen dem Führungsschuh (31) und der Wickelachse (13A) derart angeordnet ist, daß eine geringfügige Pendelbewegung oder eine ähnliche Bewegung, insbesondere mit einer horizontalen Bewegungskomponente der Achse (13A) bezüglich der Bewegungsschiene (14; 15) ausführbar ist.Winding device according to Claim 4, characterized in that a joint piece (16) is arranged between the guide shoe (31) and the winding axis (13A) in such a way that a slight pendulum movement or a similar movement, in particular with a horizontal movement component of the axis (13A), is related the movement rail (14; 15) is executable. Wickelvorrichtung nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, daß die Bewegungsmittel (30) mindestens eine Meßvorrichtung zum Erfassen von Abweichungen der Achse (13A) des Wickels (13) von der vorgegebenen Bewegungslinie (14; 15) und zum Korrigieren der Ist-Position der Achse (12A) der zweiten Tragwalze (12) umfaßt.Winding device according to one of claims 2 to 5, characterized in that the movement means (30) at least a measuring device for detecting deviations of the axis (13A) of the roll (13) from the predetermined movement line (14; 15) and for correcting the actual position of the axis (12A) of the second support roller (12). Wickelvorrichtung nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß ein Zentrumsantrieb zum eigenständigen Drehen des Wickels (13) oder der mit fluchtenden Achsen (13A) axial nebeneinander angeordneten Wickel (13'; 13'', ...) von Bahnen (1; 1', 1'', ...) um die Wickelachse (13A) vorgesehen ist.Winding device according to one of claims 2 to 6, characterized in that a center drive for independently rotating the winding (13) or the windings (13 '; 13' ', ...) arranged axially next to one another with aligned axes (13A) 1; 1 ', 1' ', ...) around the winding axis (13A) is provided. Wickelvorrichtung nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß die Achsverlagerungsmittel (20) aus zumindest einem schwenkbaren Arm (23) besteht.Winding device according to one of claims 2 to 7, characterized in that the axis displacement means (20) consists of at least one pivotable arm (23). Wickelvorrichtung nach Anspruch 8, dadurch gekennzeichnet, daß die Schwenkachse (23A) des mindestens einen Armes (23) seitlich der Achse (11A) der einen Tragwalze (11) angeordnet ist.Winding device according to claim 8, characterized in that the pivot axis (23A) of the at least one arm (23) is arranged to the side of the axis (11A) of the one supporting roller (11). Wickelvorrichtung nach einem der Ansprüche 2 bis 9, insbesondere nach Anspruch 7, dadurch gekennzeichnet, daß Wickelkerne (17; 17', 17'', ...) für die zu wickelnde/n Bahn/Bahnen (1; 1', 1'', ...) entlang der Bewegungslinie (14; 15) des herzustellenden Wickels (13) der zwischen den Tragwalzen (11 und 12) gebildeten Tasche (18) von oben her zuführbar sind.Winding device according to one of Claims 2 to 9, in particular according to Claim 7, characterized in that winding cores (17; 17 ', 17' ', ...) for the web (s) (1; 1', 1 ') to be wound ', ...) along the line of movement (14; 15) of the roll (13) to be produced of the pocket (18) formed between the support rollers (11 and 12) can be fed from above. Wickelvorrichtung nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, daß eine Belastungswalze (6) für den Wickel (13) parallel zu der Bewegungslinie (14; 15) verfahrbar ist.Winding device according to one of claims 2 to 10, characterized in that a loading roller (6) for the winding (13) can be moved parallel to the movement line (14; 15). Wickelvorrichtung nach einem der Ansprüche 2 bis 11, dadurch gekennzeichnet, daß eine Handlingeinrichtung (50) für das Wechseln der Wickel (13; 13', 13'', ...) nach Beendigung eines Wickelvorgangs seitlich einer der Tragwalzen und etwa parallel zu den Tragwalzenachsen angeordnet ist oder in eine solche Position bringbar ist, daß die verlagerbare Tragwalze (12) zum Wechseln des fertigen Wickels (13) unter Abstandsvergrößerung zu der einen Tragwalze (11) absenkbar ist und daß die Handlingeinrichtung (50) durch den Abstandsspalt zwischen den beiden Tragwalzen (11 und 12) hindurchführbar ist.Winding device according to one of claims 2 to 11, characterized in that a handling device (50) for changing the windings (13; 13 ', 13' ', ...) after the end of a winding process laterally to one of the support rollers and approximately parallel to the Support roller axes is arranged or can be brought into such a position that the displaceable support roller (12) for changing the finished roll (13) can be lowered while increasing the distance to the one support roller (11) and that the handling device (50) through the gap between the two Carrier rollers (11 and 12) can be passed. Wickelvorrichtung nach Anspruch 12, dadurch gekennzeichnet, daß die Handlingeinrichtung (50) eine in ihrer Arbeitsposition geneigte, parallel zur Wickelachse (13A) des Wickels (13) sich erstreckende anhebbare Auflagefläche (51) aufweist, entlang der die fertigen Wickel (13; 13', 13'', ...) beim Heben der Fläche (51) abrollen und das Wickelbett zwischen den beiden Tragwalzen (11 und 12) verlassen.Winding device according to Claim 12, characterized in that the handling device (50) has a lifting surface (51) which is inclined in its working position and extends parallel to the winding axis (13A) of the winding (13) and along which the finished winding (13; 13 ') , 13 '', ...) when lifting the surface (51) and leave the changing bed between the two support rollers (11 and 12). Wickelvorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, daß die Handlingeinrichtung ein Trennmesser (52) aufweist.Winding device according to claim 12 or 13, characterized in that the handling device has a separating knife (52). Wickelvorrichtung nach einem der Ansprüche 12 bis 14, dadurch gekennzeichnet, daß die Handlingeinrichtung (50) ein Klemmittel zum Festklemmen der die eine Tragwalze (11) umschlingenden Bahn/en (1; 1', 1'', ...) während des Wickelwechselns aufweist.Winding device according to one of Claims 12 to 14, characterized in that the handling device (50) has a clamping means for clamping the web (s) (1; 1 ', 1' ', ...) wrapping around the support roller (11) during the winding change having. Wickelvorrichtung nach einem der Ansprüche 12 bis 15, dadurch gekennzeichnet, daß die Handlingeinrichtung (50) einen Leimvorrat (54) und Mittel zum Leimauftrag auf den jeweiligen Bahnanfang oder einen traversierenden oder mehrere ortsfeste Klebebandspender aufweist.Winding device according to one of claims 12 to 15, characterized in that the handling device (50) has a glue supply (54) and means for applying glue to the respective web start or a traversing or several stationary adhesive tape dispensers. Wickelvorrichtung nach dem Oberbegriff von Anspruch 2, dadurch gekennzeichnet, daß eine Handlingeinrichtung (50) für das Wechseln der Wickel (13; 13', 13'', ...) nach Beendigung eines Wickelvorgangs seitlich zumindest einer der Tragwalzen und etwa parallel zu den Tragwalzenachsen (11A und 12A) angeordnet oder in eine solche Position bringbar ist, daß die verlagerbare Tragwalze (12) zum Wechseln des fertigen Wickels unter Abstandsvergrößerung zu der einen Tragwalze (11) absenkbar ist und daß die Handlingeinrichtung (50) durch den Abstandsspalt zwischen den beiden Tragwalzen (11 und 12) hindurchführbar ist.Winding device according to the preamble of claim 2, characterized in that a handling device (50) for changing the windings (13; 13 ', 13' ', ...) after the end of a winding process laterally at least one of the support rollers and approximately parallel to the Carrier roller axes (11A and 12A) is arranged or can be brought into such a position that the displaceable carrier roller (12) can be lowered to change the finished roll with increasing distance to the one carrier roller (11) and that the handling device (50) through the gap between the two support rollers (11 and 12) can be passed. Wickelvorrichtung nach Anspruch 17, gekennzeichnet durch die Merkmale zumindest eines der Ansprüche 13 bis 16.Winding device according to claim 17, characterized by the features of at least one of claims 13 to 16.
EP93113521A 1993-08-24 1993-08-24 Method and device for winding a web Expired - Lifetime EP0640544B1 (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
ES96107764T ES2129909T3 (en) 1993-08-24 1993-08-24 ROLLING MACHINE TO ROLL RIBBONS.
EP93113521A EP0640544B1 (en) 1993-08-24 1993-08-24 Method and device for winding a web
AT93113521T ATE153981T1 (en) 1993-08-24 1993-08-24 METHOD AND WINDING DEVICE FOR WINDING WEAVES
DE59306687T DE59306687D1 (en) 1993-08-24 1993-08-24 Method and winding device for winding webs
EP96107764A EP0754640B1 (en) 1993-08-24 1993-08-24 Winder for winding webs
DE59309354T DE59309354D1 (en) 1993-08-24 1993-08-24 Winding machine for winding webs
ES93113521T ES2105019T3 (en) 1993-08-24 1993-08-24 PROCEDURE AND WINDING DEVICE FOR WINDING A STRIP.
AT96107764T ATE176210T1 (en) 1993-08-24 1993-08-24 WINDING MACHINE FOR WINDING WEAVES
JP7507347A JP2745082B2 (en) 1993-08-24 1994-08-24 Web winding method and apparatus
US08/424,348 US5639045A (en) 1993-08-24 1994-08-24 Method and winding device for winding webs
CA002147764A CA2147764C (en) 1993-08-24 1994-08-24 Web-winding process and device
KR1019950701550A KR100235080B1 (en) 1993-08-24 1994-08-24 Method and device for winding a web
CN94190622A CN1045937C (en) 1993-08-24 1994-08-24 Web-winding process and device
PL94308483A PL175339B1 (en) 1993-08-24 1994-08-24 Method of winding up tapesw and tape winding machine
PCT/EP1994/002795 WO1995005988A1 (en) 1993-08-24 1994-08-24 Web-winding process and device
BR9405557-2A BR9405557A (en) 1993-08-24 1994-08-24 process and device for winding the strip winding
FI951932A FI951932A (en) 1993-08-24 1995-04-24 Method and winding device for winding web

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93113521A EP0640544B1 (en) 1993-08-24 1993-08-24 Method and device for winding a web

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP96107764A Division EP0754640B1 (en) 1993-08-24 1993-08-24 Winder for winding webs
EP96107764.1 Division-Into 1996-05-15

Publications (2)

Publication Number Publication Date
EP0640544A1 true EP0640544A1 (en) 1995-03-01
EP0640544B1 EP0640544B1 (en) 1997-06-04

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EP96107764A Expired - Lifetime EP0754640B1 (en) 1993-08-24 1993-08-24 Winder for winding webs
EP93113521A Expired - Lifetime EP0640544B1 (en) 1993-08-24 1993-08-24 Method and device for winding a web

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Application Number Title Priority Date Filing Date
EP96107764A Expired - Lifetime EP0754640B1 (en) 1993-08-24 1993-08-24 Winder for winding webs

Country Status (13)

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US (1) US5639045A (en)
EP (2) EP0754640B1 (en)
JP (1) JP2745082B2 (en)
KR (1) KR100235080B1 (en)
CN (1) CN1045937C (en)
AT (2) ATE153981T1 (en)
BR (1) BR9405557A (en)
CA (1) CA2147764C (en)
DE (2) DE59309354D1 (en)
ES (2) ES2129909T3 (en)
FI (1) FI951932A (en)
PL (1) PL175339B1 (en)
WO (1) WO1995005988A1 (en)

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Also Published As

Publication number Publication date
KR960701794A (en) 1996-03-28
ATE153981T1 (en) 1997-06-15
CA2147764A1 (en) 1995-03-02
PL175339B1 (en) 1998-12-31
JPH08505598A (en) 1996-06-18
EP0754640B1 (en) 1999-01-27
JP2745082B2 (en) 1998-04-28
EP0754640A2 (en) 1997-01-22
ATE176210T1 (en) 1999-02-15
FI951932A (en) 1995-05-05
DE59306687D1 (en) 1997-07-10
EP0640544B1 (en) 1997-06-04
PL308483A1 (en) 1995-08-07
FI951932A0 (en) 1995-04-24
CN1113653A (en) 1995-12-20
CA2147764C (en) 2000-11-28
US5639045A (en) 1997-06-17
WO1995005988A1 (en) 1995-03-02
ES2129909T3 (en) 1999-06-16
EP0754640A3 (en) 1997-02-19
BR9405557A (en) 1999-09-08
KR100235080B1 (en) 1999-12-15
ES2105019T3 (en) 1997-10-16
CN1045937C (en) 1999-10-27
DE59309354D1 (en) 1999-03-11

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