Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
  • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
  • B65H67/0405—Arrangements for removing completed take-up packages or for loading an empty core
  • B65H67/0411—Arrangements for removing completed take-up packages or for loading an empty core for removing completed take-up packages
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
  • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
  • B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
  • B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2555/00—Actuating means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2701/00—Handled material; Storage means
  • B65H2701/30—Handled filamentary material
  • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

• the invention relates to winding machines in which mutually on at least two spindles a continuous Spulgut, in particular a thread, wire, tape, twist, etc., is wound into a coil. Furthermore, the invention relates to a method for operating such a winder.
• Winding machines are known in which, for example, from a continuous manufacturing process, a winding material is fed continuously to the winder and then (with or without sleeve) is wound on a spindle to form a coil.
• This coil can then be transported and used in a subsequent process for the further processing of Spulguts.
• the winding of the coil takes place on a spindle, which can be driven to produce the winding movement itself.
• it is known to generate the rotational movement of the coil by a friction drive, in particular a drive roller radially pressed onto the lateral surface of the coil.
• the winding material is reciprocated by a traversing device in the direction of the longitudinal axis of the spindle, wherein the traversing device is located slightly in front of or in the course of the winding material before or upstream of the spool.
• a control unit superimposition of the rotation and traversing movement forms a spatial coil with increasing diameter in the course of the winding cycle.
• winding machines which are equipped with at least two spindles, which alternately used in a working position for winding coils can be. It is possible that in this case a single traversing device is responsible for winding coils on both spindles.
• this spindle Upon reaching a certain amount of Spulguts on the spindle, which is currently in use for winding, so in a working position, this spindle is moved to a rest position. Automatically or under the direction of an operator, the further tapered material to be taken from the other spindle, which is now in the working position, or a sleeve arranged on this other spindle. After this position change, the finished wound coil is removed manually or automatically from the first spindle located in the rest position.
• the at least two spindles are often held rotatably on a turntable or revolver, wherein the axis of rotation of the spindles and the revolver are oriented parallel to each other. About a rotation of the turntable, the positions of the spindles can be changed alternately.
• a corresponding winding machine is known from the patent DE 102 23 484 B4 of the Applicant.
• the patent is dedicated to the change process, here the transfer of the Spulguts from the first to the second spindle.
• a fixing winding and a reserve winding are wound outside the laying width before the start of the actual winding process.
• the patent proposes to shift the traversing device via a displacement device parallel to the longitudinal and rotational axis of the spindles such that the Spulgut outside the laying width can be applied to the spindle or sleeve and the fixing and reserve winding can be formed.
• the displacement device used here is a pneumatically actuated piston / cylinder unit, which can be pneumatically actuated via a valve and an associated control unit to an arbitrarily arbitrary date.
• the distance between the coils must at least equal to the diameter of the finished wound coils, is excluded, that the lateral surface of the coil in the working position with increasing diameter to the plant the lateral surface of the finished wound coil comes in the rest position. If the distance of the spindles chosen smaller, this means that the finished coil must be removed in the rest position by the operator or automatically faster, namely before fully winding the coil in the working position. If the finished wound coil is not removed in time, the two coils collide and the winder stops. For the structural design of the winder, here in terms of the distance between the two spindles, thus a conflict of objectives is given by one hand, the distance between the spindles to reduce the size of the winder is to be kept as small as possible,
• the distance of the spindles is to be chosen as large as possible to specify the largest possible period of time to allow the removal of the finished wound coil, without causing a collision of the coils.
• the invention has for its object to provide a winder, which in a compact design sufficient time for the removal of a finished wound coil (and possibly the placement of an empty sleeve) is available and / or reduces the risk of collision of the lateral surfaces of the coils , Furthermore, the invention has the object to provide a method for operating a winder, which is improved in terms of the exchange and removal process.
• the object of the invention is achieved with a winder with the features of independent claim 1. Further embodiments of a winding machine according to the invention will become apparent according to the features of the dependent claims 2 to 10. The object of the invention is further achieved by a method having the features of claim 1 1. Further embodiments A method according to the invention results according to the features of the dependent claims 12 to 20.
• the present invention eliminates for the first time the dependence of a predetermined, dependent on the feed speed period for a take-off of a finished wound coil in a rest position of the winder of the distance of the spindles from each other.
• This is made possible according to the invention in that the coils are arranged in a removal position of a finished wound coil brought about by a displacement device without overlapping of their axial regions.
• from the Spulgut-winding projecting end portions of the sleeves have a certain overlap - it is crucial that the Spulgut-winding of the coils have no overlap.
• the finished coil on the one hand and the coil under construction on the other hand axially "past each other", whereby the possibility of a collision of the two coils is completely excluded.
• the displacement of the finished wound coil caused by the displacement device can be advantageous for the removal process, since an extended period of time is provided for the removal process and / or by means of the displacement the finished wound coil from a main working plane Winding machine for the winding of the same is shifted, where the coil u.
• the coil already covers a partial path for removal in the direction of further storage or transport means via the displacement.
• a spindle in particular directly on this itself or on a sleeve through which the spindle extends in a working position of this spindle a Spulgut and / or wound.
• the working position ie the position of the coil during the winding process, changed during the winding cycle according to the increasing diameter.
• a finished spool is wound on another spindle, which is in its rest position Spool removed from the dishwasher, which can be done manually by an operator or at least partially automated.
• the spindles are alternately in the working position and the rest position can be brought, with it is quite possible that additional positions, such as a waiting or intermediate position, are temporarily taken.
• a finished wound coil can be displaced in the direction of its axis of rotation, as a result of which the finished wound coil is transferred from a winding position into the removal position.
• the displacement of the displacement device is greater than the extension of the coil in the direction of its axis of rotation, that is larger than the laying width of the coil.
• the displacement device displaces the coil relative to the spindle.
• the coil relative to the spindle have a degree of freedom in the direction of the axis of rotation of the coil. This degree of freedom can be fixed during the winding process of the bobbin, while this degree of freedom is used via the displacement device for bringing about the removal position by moving the bobbin relative to the spindle. In particular, in this case, the coil slides along the lateral surface of the spindle.
• the displacement device displaces the coil together with the spindle, so that here the spindle itself has a degree of freedom with respect to the winding machine in the direction of its longitudinal or rotational axis.
• the spindle can be held with such a degree of freedom with respect to a turntable or an otherwise formed turret, which is then used by the displacement device.
• the use of any displacement device is conceivable.
• an actuatable via a control unit Axialaktuator is used, the actuation path preferably corresponds to the displacement path of the coil for bringing the removal position.
• an actuator can be used in training as a pneumatic piston / cylinder actuator with associated valves and associated electrical control unit, as this (but for a different purpose) in DE 102 23 484 B4 is described, to name only one example of the many different possibilities of realization for the displacement device.
• the spindles according to the invention on the one hand in a transverse plane to the axes of rotation of the coils or spindles between the working position and the rest position moves, which is preferably done by the rotation of the turntable or a revolver (hereinafter turret).
• a fully wound coil is displaced in one direction from a winding position to a removal position by the displacement device, this direction being oriented parallel to the axes of rotation of the spools or spindles.
• the aforementioned two movements can be separated in time and then actuated together, wherein the displacement movement can take place before or after the rotation of the turntable or the revolver.
• the two movements take place at least partially simultaneously, whereby a time saving is possible even at low movement speeds and accelerations.
• the invention proposes that the displacement device can be actuated in a motion-controlled manner in accordance with a rotational movement of the revolver. It is possible that, according to time specification via a rotation angle sensor that detects the rotation of the revolver, or one operated by rotation of the revolver switch the displacement device is controlled. It is also conceivable that a control signal for rotating the revolver is used simultaneously to control the displacement device. If an additional actuator for the formation of the displacement device is to be completely saved, the motion control by the rotational movement of the revolver may consist in that the displacement movement is coupled directly to the rotational movement of the revolver.
• This also includes an embodiment in which the rotary movement of the turret is converted into the displacement movement via a cam disc or cam disc, so that the displacement device is formed with the mechanical coupling through the cam disc or cam disc.
• the coils are displaced relative to the spindle via the displacement device, is for a further embodiment of the winder proposed that in the removal position, in which the coils are arranged by the displacement device without overlapping their axial regions, the associated spindle extends only partially through the finished wound coil.
• the extension of the spindle through the spool provides the removal path for the removal of the spool from the spindle.
• the shortening of the extension of the spindle can be reduced by the finished wound coil removal effort.
• the displacement device can be used multifunctional: for this embodiment, not only the change of the operating position of the coil from the winding position to the removal position is possible via the displacement device. Rather, the spool can be displaced via the displacement device into an operating position (possibly deviating from a winding position, a possible waiting position and / or the removal position), in which the material to be spooled interacts with a cutting device and / or a catching device for the winding material. Put simply, by means of the displacement device, for example, the winding material upstream of the jacket surface of the finished wound bobbin can be pressed against a knife designed as a cutting device, whereby the material to be cut is then severed.
• a fully wound coil is displaced via a displacement device into a removal position in which the axial region of this finished wound coil has no overlap with the axial region of a coil to be wound on the other spindle.
• Fig. 1 shows schematically a winding machine according to the prior art in a
• FIG. 2 shows the winder according to Fig. 1 in a plan view.
• Fig. 3 shows very schematically a winder according to the invention in a plan view, wherein a finished wound coil is in a waiting position.
• Fig. 4 shows a highly schematic of a winding machine according to the invention in a plan view, wherein a finished wound coil is in a removal position.
• 5 shows a greatly simplified block diagram for a method according to the invention. DESCRIPTION OF THE FIGURES
• FIGS. 1 and 2 schematically show a winding machine 1.
• the winding machine 1 has a turntable or a revolver 2, which is rotatable relative to a support structure 3 of the winding machine 1 about a rotation axis, which is oriented vertically to the plane of FIG. 1, via a suitable drive unit.
• the turret 2 carries spindles 4, 5, whose rotation and longitudinal axes 18, 19 are also oriented vertically to the plane of FIG. 1 and diametrically at the same distance on opposite sides of the axis of rotation of the turret 2 are arranged.
• On the spindle 4 is a finished wound coil 6, preferably with a sleeve 7.
• the finished wound coil 6 has a diameter D.
• the spindle 5 On the spindle 5 is a coil 8, possibly also with a sleeve 9, in the structure of increasing diameter d.
• the tapered Spulgut 10 is the coil 8 via a traversing device 1 1 fed.
• the distance of the traversing device 1 1 from the longitudinal and rotational axis of the spindle 5 on the winding cycle with increasing diameter d change by the traversing device 1 1 or the spindle 5 a corresponding degree of freedom for a relative displacement in the Drawing plane of FIG. 1 has. 1, the spool 6 is in a rest position 12, in which the spool 6 must be removed by an operator or at least partially automated from the spindle 4. Possibly.
• Fig. 1 is already apparent that with increasing diameter d at a certain time of the winding cycle, a distance 21 of the lateral surfaces of the coils 6, 8 becomes smaller, until the lateral surface of the coil 8 comes to rest on the lateral surface of the coil 6, which a shutdown or interruption of the winding process would result. Accordingly, the spool 6 must be removed from the spindle 4 before the diameter d has grown so that the distance 21 is reduced to zero.
• the Spools 6, 8 each axial extensions 14, 15 have, which correspond to the laying width of Spulguts and the traversing path of the traversing device 1 1. Furthermore, it can be seen in FIG.
• the coils 6, 8 have an overlap 20, which according to the prior art the Axial extensions 14, 15 corresponds.
• the distance 21 of the coils 6, 8 consists in a plane which extends through the longitudinal axes of the spindles 4, 5.
• the axial overlap 20 results in particular when the axial extensions 14, 15 are projected onto one of the longitudinal or rotational axes 18, 19 of the coils 6, 8.
• the finished coil 6 is in the rest position 12, while the coil 8 is in the working position 13 under construction.
• the coils 6, 8 have an overlap 20, since the coils 6, 8 are both in a winding position 22, that are arranged in the same vertical plane.
• the winding position 22 in this case each describes a relative position of the coils 6, 8 relative to the associated spindle 4, 5 or with respect to the support structure 3 or the turret 2.
• the winding position 22 is converted by actuation of a displacement device 23 in the removal position 24 of the coil 6 shown in FIG in that the coil 6 with sleeve 7 is displaced axially relative to the spindle 4 by a displacement path 25 from the winding position 22 into the removal position 24.
• the displacement path 25 is in this case selected such that the axial extensions 14, 15 of the coils 6, 8 have no overlap 20 more, but rather a distance 26 from each other when projecting the axial extensions 14, 15 on a longitudinal or rotational axis 18, 19.
• Der Displacement path 25 of the displacement device 23 is greater than the axial extensions 14, 15 of the coils 6, 8.
• Fig. 4 it can be seen that regardless of the diameter d of the coil to be wound 8, a collision between the coils 6, 8 is reliably avoided.
• the displacement of the coil 6 via the displacement path 25 can take place at any time, for example, immediately at the beginning of the winding process for the coil 8 or during the winding cycle of the coil 8. It is also possible that in the normal case at the winder 1 no displacement by the displacement device 23 takes place, but normally takes a removal of the coil 6 by the operator from the winding position 22 of FIG.
• removal position 22 is a kind of safety position.
• the displacement device 23 is a punch 27 which can be extended in accordance with the activation of an actuator.
• a pneumatic piston / cylinder unit can be used to extend the punch 27, whereby it can also work against a spring that with the venting of the piston / cylinder unit an automatic reset of the punch 27 takes place.
• the vented piston / cylinder unit can push back the punch 27 when a new sleeve 7 is pushed onto the spindle 4.
• the end face of the punch 27, for example with a pusher plate 37, an end face of the sleeve 7 acts to bring about the displacement of the coil 6 via the displacement path 4.
• an end face of a corresponding punch 27 acts directly on the winding of the coil 6, in particular when the coil 6 is formed without a sleeve 7. It is possible that the spool 6 or the sleeve 7 is axially and / or radially fixed in the working position 13 and in the transfer of the working position 13 in the rest position 12 on the spindle 4, wherein then before actuation of the displacement device 23 is a corresponding axial and / or radial fixation must be solved.
• FIGS. 2 and 3 A comparison of FIGS. 2 and 3 shows that the spindles 4, 5 according to the invention are designed to be longer than in the prior art: as can be seen in Fig. 3, the coils 6, 8 in the winding position 22 with a length 28 collar from the coils 6, 8, here from the sleeves 7, 9, from.
• This length 28 may be adapted according to the circumstances.
• the length 28 is between 50% and 100% of the axial extensions 14, 15 of the coils 6, 8.
• the coils 6, 8 in the removal position 24 just barely from the spindles held without these tilt.
• With a small length 28 reduces the way that the coil 6 then with removal from the operator or automatically in the direction of the axis of rotation 18 must be moved. It is possible that the length is 28 60%, 70%, 80%, 90% or 100% of the axial extent 14, 15. Quite possible, however, is that the length 28 is also longer than the previously indicated lengths.
• the distance 36 of the rotation axes 18, 19, ie the longitudinal axes of the spindles 4, 5, which is shown in a projection in FIGS. 3 and 4, is preferably less than the diameter D. It is possible that the distance 36 of the rotation axes 18, 19 is 60%, 70%, 80%, 90% or even 100% of the diameter D. Embodiments in which the spacing of the rotation axes 18, 19 is greater than the diameter D are also encompassed by the invention, wherein the embodiment according to the invention enlarges the handling space and a preparation and partial passage of the removal is made possible via the displacement device 23.
• the spindle 6 is first completely wound on a spindle 4 in the working position 13, the coil 6 being in a winding position 22 relative to the spindle 4.
• the turret 2 is rotated by an angle of 180 °, until the spindle 4, as basically shown in Fig. 3, is in the rest position 12, preferably the coil 6 with respect to the spindle 4 continues in the winding position 22 is.
• the Spulgut 10 of the spindle 5 or a sleeve 9 disposed thereon is supplied in the working position 13, where the Spulgut 10 can be caught by a suitable catching device. It is possible that a fixation and / or reserve winding is produced in preparation for the actual winding process.
• the subsequent process step 32 then takes place the winding of the spool 8, which is in the working position, wherein the spool 8 is opposite the spindle 5 in the winding position 22. It is possible that, in parallel with the winding of the coil 8, the coil 6 is braked on the spindle 4.
• the method steps 29 to 32 correspond to the method steps known per se during a change process on a winding machine 1.
• a supplementary method step 33 is used, by means of which the coil 6 is moved in the rest position 12 by the displacement device 23 from the winding position 22 into the removal position 24, in which the overlap 20 of the axial extensions 14, 15 is eliminated.
• a method step 34 an automated actuation of the displacement device 23 can take place by a control unit of the winding machine 1.
• the removal of the bobbin 6 can then take place from the spindle 4, wherein a partial removal can already take place for the previously described dimensioning of the length 28 during the method step 34 with the actuation of the displacement device 23.
• the method steps 33, 34 can be carried out at least partially at discrete points in time or at least during one of the method steps 30 to 32.
• the upper dashed branch indicates that the actuation of the displacement device 23 in the method step 34 (at least partially) can already take place during the rotation of the turret 2 in the method step 30.
• the middle dashed branch indicates that the actuation of the displacement device 23 simultaneously with the preparation of Wickeins the coil 8, ie with the transfer of the thread, the creation of the fixing or reserve winding, the severing of the Spulguts done. It is also possible that a partial actuation of the displacement device 23 in the method step 34 and / or the removal takes place in the method step 53, while the coil 8 is wound.
• each spindle 4, 5 has its own associated displacement device 23.
• These two displacement devices 23 can then be supported on the revolver 2 and rotated with this. A reduction of the construction costs can take place if a single displacement device 23 is responsible for both spindles 4, 5.
• the displacement device 23 may be held on the support structure 3 at a location to which the spindle 4, 5, from which a coil is to be removed, by rotation of the turret 2 can move.
• the displacement device When forming the displacement device as a pneumatically actuated cylinder, the cylinder can be double-acting, so that a pneumatic reset of the displacement device 23 is possible.
• a locking of the coils or sleeves on the spindles can be done non-positively by radially expanding, the spindle enclosing worm springs, which press with the radial expansion from the inside to the sleeve and thereby cause a rotational and axial fixation.
• the worm springs are arranged in V-shaped grooves of the spindles, wherein the V-shaped contour of the grooves forms a wedge-like slope. Coil springs push the worm springs outward along the slope, resulting in radial expansion.
• the fixation is solved pneumatically by an actuator, which can be arranged, for example, immediately below the displacement device 23, counteracts the force of the coil springs.
• the ratio of the diameter D to the distance 36 is preferably in the range of 0.7 to 0.9, preferably in the range of 0.75 to 0.85. For example, said ratio may be 0.80. Based on the volume that can be wound up, and thus the duration up to which a collision occurs, this means that a collision would take place about 1/5 of the winding travel if a full bobbin is not removed.
• the ratio of the distance of the end face of the spindle 4 from the end face 16 of the coil 6 to the axial extension 14 of the finished wound coil 6 can be 0.7 to 0.8, for example, 0.73.
• the ratio of the length 28 to the axial extent 14 of the finished wound coil 6 can be, for example, 0.6 to 0.7, in particular 0.66. It is understood that but other circumstances in the context of the present invention are quite possible.
• the actuation of the displacement device 23 takes place only after the full coil 6 has come to a standstill via a suitable braking device. It is also possible that the displacement device 23 is already actuated when the full bobbin 6 is still rotating. For this purpose, it may be advantageous if the displacement device 23 is integrated into the spindle itself, that is, the rotating spindle or a part thereof is moved axially.

Landscapes

• Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
• Winding Filamentary Materials (AREA)
• Replacement Of Web Rolls (AREA)
• Winding Of Webs (AREA)

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• 2011
  • 2011-02-09 DE DE102011000590A patent/DE102011000590B3/de not_active Expired - Fee Related
• 2012
  • 2012-01-26 EP EP12701130.2A patent/EP2673229B1/de active Active
  • 2012-01-26 KR KR1020137023604A patent/KR101788360B1/ko active IP Right Grant
  • 2012-01-26 JP JP2013552897A patent/JP5859573B2/ja active Active
  • 2012-01-26 ES ES12701130.2T patent/ES2540870T3/es active Active
  • 2012-01-26 BR BR112013019896-6A patent/BR112013019896B1/pt active IP Right Grant
  • 2012-01-26 WO PCT/EP2012/051215 patent/WO2012107295A1/de active Application Filing
  • 2012-01-26 CN CN201280008106.5A patent/CN103347806B/zh active Active
  • 2012-02-03 TW TW101103488A patent/TWI548584B/zh active

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