EP3326947A1 - Procédé et dispositif destinés à enrouler un bande de matière - Google Patents

Procédé et dispositif destinés à enrouler un bande de matière Download PDF

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Publication number
EP3326947A1
EP3326947A1 EP17201848.3A EP17201848A EP3326947A1 EP 3326947 A1 EP3326947 A1 EP 3326947A1 EP 17201848 A EP17201848 A EP 17201848A EP 3326947 A1 EP3326947 A1 EP 3326947A1
Authority
EP
European Patent Office
Prior art keywords
strand
winding
strands
sub
suction
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
EP17201848.3A
Other languages
German (de)
English (en)
Other versions
EP3326947B1 (fr
Inventor
Marco Sacher
Kenneth Schindler
Marko Neubert
David Eckart
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Oerlikon Textile GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oerlikon Textile GmbH and Co KG filed Critical Oerlikon Textile GmbH and Co KG
Priority to PL17201848T priority Critical patent/PL3326947T3/pl
Publication of EP3326947A1 publication Critical patent/EP3326947A1/fr
Application granted granted Critical
Publication of EP3326947B1 publication Critical patent/EP3326947B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/71—Arrangements for severing filamentary materials
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting
    • 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
    • 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
    • B65H2701/37—Tapes
    • 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
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires

Definitions

  • the invention relates to a method for winding up a strand of material according to the preamble of claim 1 and to an apparatus for winding up a strand of material according to the preamble of claim 8.
  • a generic method for winding a strand of material and a generic device for winding a strand of material for example, from EP 1 095 892 A2 known.
  • a film is extruded from a thermoplastic material, which film is fed as a flat film or as a tubular film to a cutting device.
  • the cutter divides the film into a plurality of ribbons.
  • the tapes are led after stretching and an individual treatment in each case one or more than one to each strand of material and wound into coils.
  • each of the winding points includes a winding spindle for discontinuous winding one of the material strands for this purpose.
  • the material strands continuously produced in the extrusion process are thus continuously fed to each of the winding stations.
  • a bobbin change takes place, which is performed manually or automatically depending on the nature and design of the winding point.
  • the continuously fed material strand is taken up and continuously discharged depending on the production speed of the extrusion plant.
  • it is generally known to lead the strand of material after transection of the coil by means of a suction gun. About the suction gun, the material strand is absorbed and continuously fed to a waste container.
  • Another object of the invention is to develop the generic method and the generic device for winding a strand of material such that when winding material strands with high titer bobbin change even at relatively high production speeds are safely executable.
  • This object is achieved by a method in that the material strand is divided into two sub-strands immediately before the bobbin change, wherein a first sub-strand is cut through before winding and absorbed and removed by a suction device and wherein a second sub-strand used for bobbin change and the suction gun to be led.
  • the solution results from the fact that the auxiliary device has a subdivision in the material flow divider, through which the material strand is divisible into two sub-strands immediately before the bobbin change, with a first sub-strand is cut through before winding and can be picked up and discharged by a suction device and wherein a second sub-strand can be used for changing the bobbin and can be guided by the suction gun.
  • the invention has the particular advantage that the bobbin change can be carried out with conventional aids. So the usual suction guns can be used for bobbin change, the in their performance are limited and thus can accommodate only a portion of the material strand. Thus, one of the partial strands of the material strand can advantageously be used to change bobbins. The other sub-strand of the material strand is advantageously cut through before being wound up and taken up by a suction device.
  • the extraction devices usually provided in the extrusion process can be advantageously used to receive a sub-strand of the material strand during a bobbin change and to continuously lead to a waste container.
  • the material strand could be formed from a single synthetic tape or from several synthetic tapes or even several synthetic monofilaments.
  • the material strand is preferably partially penetrated by a movable separating means transversely to the direction of travel.
  • a mechanically generated division in the material strand allows a clear separation between the two sub-strands.
  • the partial strands may have the same partial titer or different partial titer.
  • the release agent is guided back and forth between a rest position and an operating position, wherein the operating position determines a division of the material strand. This reproducible divisions of the material strand can be performed with each bobbin change.
  • the release agent is performed immediately after the bobbin change from the operating position back to the rest position, so that the division of the material strand will be annulled. This process is preferably controlled synchronously with the winding of the strand of material on a new coil.
  • the development of the invention is preferably carried out in which the material strand is divided between two godets of a drafting system and in which the first sub-strand is cut through in a downstream of the godets material run and is sucked through the suction device.
  • This can be used in the division of the material strand, the voltage generated between the godets in the material strand to promote the penetration of the release agent in the material strand.
  • the division of the material strands into two sub-strands is performed with a time delay by the release agent, so that the release agent is flexible for each of the material strands available.
  • the separation means provided for dividing the material strand is preferably guided back and forth between a rest position and an operating position by a controllable actuator. In that regard, the movement of the release agent is reproducible and relatively quickly executable.
  • the release agent In order for the release agent to be able to penetrate into the material strand with the least possible resistance, it is further provided that the release agent has a triangular knife blade with at least one cutting edge on one of the legs.
  • the material strand can be advantageously divided by simply penetrating the knife blade.
  • the penetration of the material strand can thereby still improve in that the release agent is disposed in an area between two godets of a drafting system of the extrusion plant.
  • the suction device is associated with a suction nozzle of the downstream godet.
  • one of the partial strands can advantageously be cut after the expiry of the godets and be absorbed directly by the suction device.
  • the dividing device is designed to be movable such that the respective material strands are divisible for each package change in the winding positions.
  • the dividing device can be combined with each of the winding points to a bobbin change.
  • the release agent is preferably in a linear guide parallel to the godets of the drafting system feasible and positionable.
  • FIG. 1 is an embodiment of the device according to the invention for winding a strand of material schematically together with an extrusion system shown.
  • the extrusion plant 1 has an extrusion device 2, a draw-out drafting device 4, a drafting drafting device 5, a main drafting system 6 and a separating device 7, which are arranged one behind the other in a single-stage process and produce a plurality of strands of material in a single-stage process.
  • a take-up device 8 is arranged in order to wind the continuously produced material strands into a plurality of bobbins.
  • the extrusion device 2 is formed in this embodiment by an extruder 2.1 and an extruder head 2.2 connected to the extruder 2.1. Below the extruder head 2.2, a cooling bath 2.3 is provided, which is filled with a cooling liquid. On an outlet side of the cooling bath 2.3 is followed by a deflection 2.4 and a cutting device 2.5 at.
  • a polymer for example a polypropylene
  • a flat film 3 is extruded and cooled in the cooling bath 2.3.
  • the deduction of the flat film 3 is carried out by the deduction drafting system 4, which includes a plurality of withdrawal godets 4.1.
  • the withdrawal forces for pulling off the film 3 are generated via the withdrawal godets 4.1 of the draw-out drafting system 4.
  • the film is dried by means of the deflection device 2.4.
  • the draw-off drafting device 4 is connected to a suction device 13 via a suction connection 13.1.
  • the film 3 is divided by the cutting device 2.5 into a plurality of ribbons 9.
  • the bands 9 are performed as a band of bands together on the withdrawal godets 4.1 of the draw-out drafting system 4.
  • the draw-out drafting system 4 is followed by a supply drafting system 5 with a plurality of feed godets 5.1.
  • the preliminary godets 5.1 of the preliminary drafting system 5 and the withdrawal godets 4.1 of the draw-out drafting system 4 are driven at a differential speed for setting a draw ratio.
  • Both the withdrawal godets 4.1 on the draw-out drafting system 4 and the feed godets 5.1 on the supply drafting system 5 are made unheated, so that the material strands 9 designed as strips are guided and stretched at an ambient temperature corresponding to the environment.
  • the supply drafting 5 is followed by a heater 10 and a main drafting system 6 with a plurality of draw godets 6.1 downstream in a second drawing stage.
  • the draw godets 6.1 are driven with respect to the feed godets 5.1 at a differential speed in order to carry out the main drawing in the second stage on the material strands 9.
  • the heating device 10 is in this case preferably designed as a hot air oven, in which there is a hot air line for heating the material strands.
  • the draw godets 6.1 on the main drafting system 6 are preferred formed heatable to perform on the material strands 9, a thermal aftertreatment for stress relief.
  • the last godets of the draw-out drafting system 4, the supply drafting system 5 and the main drafting system 6 are associated with a plurality of suction nozzle 13.1, which are connected to the suction device 13.
  • suction nozzle 13.1 which are connected to the suction device 13.
  • a separating device 7 is provided between the main drafting device 6 and the take-up device 8, through which the strands of material 9 are fed to the winding points 8.1 of the take-up device 8 in isolated fashion.
  • the separating device 7 has for this purpose a guide roller 7.1 and a guide rail 7.2.
  • each strand of material 9 would have at least one fibrilated ribbon.
  • the strand of material is formed from a plurality of single bands that are compacted or textured into the strand of material prior to winding.
  • Such treatments are preferably in the area between the main drafting arrangement 6 and the separating device 7 carried out.
  • the in FIG. 1 shown extrusion system 1 in its construction for the production of a material strand by way of example.
  • the take-up device 8 is shown schematically in a plan view. Unless express reference is made to any of the figures, the following description applies to both figures.
  • a plurality of winding points 8.1 are arranged horizontally next to each other.
  • five winding 8.1 are held side by side on the machine frame 20.
  • the number is exemplary and depends on the number of material strands generated in the extrusion plant 1.
  • several winding points 8.1 can be arranged vertically one above the other.
  • the winding stations 8.1 are identical and each have a driven winding spindle 8.2.
  • a strand of material 9 is wound into a coil 18 in each case.
  • the speed of the winding spindle 8.2 is controlled by means of a dancer arm 19.
  • the material strand 9 is wound with a substantially constant voltage and with a constant peripheral speed of the coil 18.
  • an auxiliary device 11 which has a manually operated suction gun 11.1.
  • the suction gun 11.1 is coupled to a waste container 11.2 in order to be able to receive the continuously fed-in material strand 9 during a bobbin change.
  • the auxiliary device 11 furthermore has a dividing device 12.
  • the dividing device 12 is arranged upstream of the winding points 8.1 and arranged in the region of the main drafting unit 6 of the extrusion plant 1. To explain the dividing device 12 is below to the Figures 3 and 4 Referenced.
  • FIG. 3 the dividing device is schematically in a side view and in FIG. 4 schematically shown in a front view.
  • Figure 4.1 and 4.2 the division device shown in different operating situations.
  • Figure 4.1 is the dividing device in a rest position and in the Figure 4.2 shown in an operating position.
  • the following description applies, insofar as no explicit reference is made to one of the figures, for both figures.
  • the dividing device 12 has a movable separating means 12.1.
  • the separating means 12.1 is coupled to an actuator 12.3, by means of which the separating means 12.1 between a rest position and an extended operating position can be guided.
  • FIG. 3 is the release agent 12.1 shown in the rest position.
  • the operating position of the release agent 12.1 is shown in dashed lines.
  • the actuator 12.3 is attached to a holder 12.2.
  • the holder 12.2 is guided in a linear guide 12.4.
  • the linear guide 12.4 extends parallel to the draw godets 6.1 of the main drafting system 6.
  • the linear guide 12.4 and the holder 12.2 are arranged between two adjacent godets 6.1 of the main drafting 6, so that the release agent penetrates 12.1 in the operating position of one stretched between the draw godets 6.1 material strand 9 ,
  • the holder 12.2 can be guided and positioned parallel to the draw godets 6.1 in the linear guide 12.4, so that the separating means 12.1 can be assigned to each of the material strands 9 guided on the circumference of the draw godets 6.1.
  • the guidance and positioning of the holder 12.2 in the linear guide 12.4 is not shown here in detail and could be done for example by manually operated spindle drives.
  • the linear guide 12.4 is formed here by way of example by two rods, on which the holder 12.2 is guided with the release agent 12.1.
  • the dividing device 12 In operation during the winding of the material strands 9 to coil 18, the dividing device 12 is not activated, so that the release agent 12.1 remains in its rest position. Only when a bobbin change is imminent in one of the winding stations 8.1, the dividing device 12 is activated. So First, the holder 12.2 is positioned in the linear guide 12.4 to the relevant material strand 9, which is to divide to prepare a bobbin change.
  • FIG. 5 is shown schematically a cross-sectional view of the separating means 12.1 in the operating position.
  • FIG. 6 represents a plan view of the winding stations 8.1, wherein at one of the winding points 8.1 a bobbin change is performed.
  • the separating means 12.1 in this embodiment is formed by a triangular knife blade 16.
  • the knife blade 16 has a cutting edge 14 at least on one leg.
  • the knife blade 16 is held on a knife holder 15 which is coupled to the actuator 12.3.
  • the knife blade 16 is guided by the actuator 12.3 transversely to the material run of the material strand 9.
  • the knife blade 16 is preferably encapsulated in the rest position, for example held in a guide tube. In the operating position, the knife blade 16 penetrates the material strand 9, so that the cutting edge 14 generates a division on the material strand 9.
  • the material strand is in the sub-strands Divided 9.1 and 9.2, which are absorbed by the downstream draw godet 6.1.
  • a first sub-strand 9.1 is cut immediately after the division by an operator after expiration of the last draw godet 6.1.
  • the loose end of the sub-strand 9.1 is detected and discharged via the suction nozzle 13.1 of the suction device 13.
  • the suction nozzle 13.1 of the suction device 13 is hereby assigned directly to the scope of the last draw godet 6.1.
  • only the sub-strand 9.2 is guided to the winding point 8.1.
  • the sub-strand 9.2 can be picked up by the suction gun 11.1, so that the finished wound spool 18 can be exchanged at the relevant winding spindle 8.2.
  • the winding spindle 8.2 an empty tube is attached to wind a new coil.
  • the divider 12 is deactivated, so that the release agent 12.1 is returned to the rest position.
  • the partial strand 9.1 accommodated in the suction device 13 is severed by the operator so that the strand of material without division is fed to the winding point 8.1 for winding a coil.
  • the dividing device 12 is now ready to carry out a bobbin change at a next winding point.
  • the material strands 9 are offset in time by the release agent 12.1 alternately divided as needed.
  • the method according to the invention and the device for winding up a material strand thus offer the advantage that material strands having a high titre can also be produced at higher production speeds.
  • material strands with a titer of over 20,000 dtex are needed for the production of harvested twine yarns.
  • the material strand can in this case be formed by a single band with a corresponding bandwidth in the range between 20 mm and 90 mm and a thickness in the range of 75 ⁇ m and 100 ⁇ m or from correspondingly a plurality of individual bands or individual monofilaments.
  • the part titers of the sub strands are selected depending on the performance of the suction gun.
  • the partial strands may have the same size or very different part titer.
  • the structural design of the dividing device shown is exemplary.
  • Essential is the movable guidance of a release agent in order to obtain a mechanical separation of the material strand.
  • the lifting movement of the knife blade could also be performed by a linkage to obtain a vertical as possible puncture in the material strand.
  • the knife could be kept in the rest position in a pivoted position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Ropes Or Cables (AREA)
EP17201848.3A 2016-11-25 2017-11-15 Procédé et dispositif destinés à enrouler un bande de matière Active EP3326947B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL17201848T PL3326947T3 (pl) 2016-11-25 2017-11-15 Sposób i urządzenie do nawijania pasma materiału

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016014118 2016-11-25

Publications (2)

Publication Number Publication Date
EP3326947A1 true EP3326947A1 (fr) 2018-05-30
EP3326947B1 EP3326947B1 (fr) 2019-08-07

Family

ID=60382073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17201848.3A Active EP3326947B1 (fr) 2016-11-25 2017-11-15 Procédé et dispositif destinés à enrouler un bande de matière

Country Status (4)

Country Link
EP (1) EP3326947B1 (fr)
ES (1) ES2753803T3 (fr)
PL (1) PL3326947T3 (fr)
PT (1) PT3326947T (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414636A1 (de) * 1983-05-04 1984-11-22 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Spulenwechsel beim aufwickeln von durch zerschneiden einer folienbahn erzeugten folienbaendchen
EP1095892A2 (fr) 1999-10-27 2001-05-02 B a r m a g AG Dispositif et procédé pour bobiner une nappe de fils ou de rubans

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414636A1 (de) * 1983-05-04 1984-11-22 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Spulenwechsel beim aufwickeln von durch zerschneiden einer folienbahn erzeugten folienbaendchen
EP1095892A2 (fr) 1999-10-27 2001-05-02 B a r m a g AG Dispositif et procédé pour bobiner une nappe de fils ou de rubans

Also Published As

Publication number Publication date
ES2753803T3 (es) 2020-04-14
EP3326947B1 (fr) 2019-08-07
PT3326947T (pt) 2019-10-15
PL3326947T3 (pl) 2020-02-28

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