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EP3000923A1 - Planche a aiguilles - Google Patents

Planche a aiguilles Download PDF

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Publication number
EP3000923A1
EP3000923A1 EP15193801.6A EP15193801A EP3000923A1 EP 3000923 A1 EP3000923 A1 EP 3000923A1 EP 15193801 A EP15193801 A EP 15193801A EP 3000923 A1 EP3000923 A1 EP 3000923A1
Authority
EP
European Patent Office
Prior art keywords
needle
needle board
needles
needling
needling device
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.)
Withdrawn
Application number
EP15193801.6A
Other languages
German (de)
English (en)
Inventor
Johann Philipp Dilo
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik 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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP15193801.6A priority Critical patent/EP3000923A1/fr
Publication of EP3000923A1 publication Critical patent/EP3000923A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/02—Needling machines with needles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres

Definitions

  • the present invention relates to a needle board.
  • the present invention has for its object to uniform the arrangements of the puncture points in a needled nonwoven and thus to arrive at a homogeneous puncture pattern.
  • Fig. 1 is an example of a system for carrying out a method for homogenizing the stitching pattern in a needled nonwoven fabric shown schematically.
  • the system comprises a first needling device 2 and a second needling device 4, which are arranged in the transport direction T of the fleece 6 in series and serve for needling the fleece 6.
  • the first needling device 2 has at least one movable Needle board 8, are attached to the needles 10 for needling the supplied nonwoven 6.
  • a take-off device 12 is provided for the fleece 6, here in the form of two draw-off rollers moved in opposite directions, which are driven at a speed v 1 .
  • the second needling device 4 likewise has at least one movable needle board 14, to which needles 16 are fastened for further needling of the fleece 6 which has been previously needled in the first needling device 2.
  • Downstream of the second needling device 4 is again a take-off device 18, preferably consisting of a pair of oppositely driven take-off rolls arranged, which withdraws the web 6 at a speed v 2 from the second needling device 4.
  • the withdrawal speed v 2 of the withdrawal device 18 is slightly greater than the withdrawal speed v 1 of the withdrawal device 12.
  • needleling device may refer to both a needle machine with a single driven needle board, as well as a needle machine with two needle boards, one of which is located above and below the needled needle 6 and their needles thus move towards and away from each other.
  • needle machine may also include a needle machine with a plurality of needle boards arranged in series above and / or below the web 6, as well as corresponding needle machines each having a plurality of pairs of above or below the web 6 arranged needle boards.
  • needleling device may also be directed to a single needle board or a particular pair of needle boards within a needle machine, even if the needle machine includes at least one other needle board adjacent to said needle board or boards.
  • needleling device can designate both all needle units within a needle machine, but also only certain units within a plurality of needle units in the same needle machine. The method can be carried out in all these cases, taking into account the respective different interpretation of the term "needling device”.
  • a detector 20 for the detection of puncture defects in by first needling device 2 previously needled web 6 arranged.
  • the detector 20 is therefore arranged downstream of the first needling device 2, either as in FIG Fig. 1 shown, in an area downstream of the trigger device 12, or else in a region between the first needling device 2 and the associated trigger device 12.
  • the detector 20 is preferably configured as an optoelectronic sensor, for example as a CCD camera, which performs a digital scan of the surface of the needle-punched fleece 6 performs.
  • the detector 20 is connected to a control device 22, which evaluates the results of the detection of the puncture defects in the fleece 6 and calculates a suitable adaptation of at least one operating parameter and / or at least one structural parameter of the second needling device 4, so that during further needling of the fleece 6 in the second needling device 4 at least parts of the puncture defects are selectively filled.
  • a control device 22 evaluates the results of the detection of the puncture defects in the fleece 6 and calculates a suitable adaptation of at least one operating parameter and / or at least one structural parameter of the second needling device 4, so that during further needling of the fleece 6 in the second needling device 4 at least parts of the puncture defects are selectively filled.
  • the provision or application of the information for the suitable adaptation of the at least one operating parameter and / or the at least one structural parameter of the second needling device 4 can take place in a variety of ways by the control device 22.
  • an operating instruction for an operator for the purposeful manual setting of the at least one operating parameter and / or of the at least one structural parameter of the second needling device 4 can take place on a screen 24.
  • the control device 22 automatically calculates not only a suitable adaptation of the at least one operating parameter and / or at least one structural parameter of the second needling device 4 but also the corresponding one based on stored data and laws stored in an electronic library Hiring also independently.
  • the screen 24 may serve in this latter case for displaying information to the operator or completely eliminated.
  • a further detector 26 for detecting the puncture homogeneity in the needle-punched fleece 6 is arranged, which serves to check the final needling needle result.
  • the Detector 26 is preferably an optoelectronic sensor, for example a CCD camera, with which the homogeneity of the punctures in the needled nonwoven 6 can be detected.
  • the recordings of the detector 26 are output on a further screen 28 or on the first screen 24. It is particularly preferred if the results of the detector 26 are fed to the control device 22, whereby a control loop is produced.
  • the control device 22 can thus use this information when adapting the at least one operating parameter and / or the at least one structural parameter of the second needling device 4.
  • control device 22 only has to make a fine adjustment of the at least one operating parameter and / or the at least one structural parameter of the second needling device 4 until a satisfactory result has been achieved in the finished needled web 6.
  • the procedure is as follows. First, the fleece 6 is transported through the first needling device 2, in which a first needling of the fleece 6 takes place.
  • the operating parameters of the first needling device 2 are set to a desired predetermined value. Subsequently, puncture defects in the fleece are detected in a region between the first needling device 2 and the second needling device 4 by means of the detector 20.
  • the fleece 6 previously needled by the first needling device 2 is further needled in the second needling device 4, wherein at least an operating parameter and / or at least one structural parameter of the second needling device 4 on the basis of the result of the detection of puncture defects in the nonwoven 6 by means of the detector 20 is adapted such that during further needling of the nonwoven fabric 6 in the second needling 4 at least parts of the recess -Faces are filled up specifically.
  • the stitch pattern can be homogenized in needled web 6 and the product quality of the finished needled web improved.
  • a possible operating parameter of the second needling device 4, which can be adapted to homogenize the stitching pattern in the needled nonwoven 6, is the horizontal one Feed of the fleece 6 per vertical stroke of the at least one needle board 14 of the second needling device 4.
  • the speed v 2 of the discharge device 18 can be influenced (see Fig. 1 ).
  • a higher or lower withdrawal speed v 2 changes at the same stroke frequency of the needle board 14, the ratio of feed to stroke in the second needling 4.
  • larger changes in the speed v 2 of the trigger 18 also inevitably affect the throughput of the overall machine, which is usually predetermined and should not be changed.
  • the adjustment of the operating parameter "feed per stroke" of the second needling device 4 will be effected primarily by varying the vertical stroke frequency of the second needling device 4.
  • the control device 22 can preferably be applied directly to the drive 30 (FIG. Fig. 2 ) of the needle board 14 of the second needling device 4.
  • the adaptation of the operating parameter "feed per stroke” can also be carried out while the system is in operation.
  • Fig. 2 an example of the embodiment of a second needling device 4 is shown.
  • at least one vertical connecting rod 32 is cyclically moved up and down via an eccentric drive 30.
  • the at least one vertical connecting rod 32 is usually hingedly connected to a needle bar 34, on which in turn the needle board 14 (in Fig. 2 not shown) is attached.
  • the second needling device 4 is designed as a double needle machine having two vertical connecting rod 32 and two needle bar 34 with attached needle boards 14 which are arranged in the transport direction T of the web 6 in series.
  • the movement of the two needle bars 34 takes place synchronously.
  • the stroke frequency f of the eccentric drive 30 is changed.
  • the second needling device 4 can also have a different number of vertical connecting rods 32 and needle bars 34 (in particular only one connecting rod and one needle bar).
  • phase ⁇ of the vertical drive 30 of the at least one needle board 14 is interesting.
  • a phase shift of 180 ° in this context means that the second needling device 4 has reached its respective highest point of the vertical stroke exactly when the first needling device 2 has reached the lowest point of its vertical stroke.
  • a possible structural parameter of the second needling device 4, whose adaptation can lead to a homogenization of the stitching pattern of the needled web 6, is, for example, the distance of the second needling device 4 to the first needling device 2 in the transporting direction T of the web 6 Fig. 3a and 3b an exemplary arrangement for adjusting the position of the second needling device 4 in the transport direction T is shown.
  • Components of the second needling device 4 shown here additionally comprise an eccentric arrangement 36 with which a substantially horizontally arranged connecting rod 38 can be moved in the transport direction T of the fleece 6 or in the opposite direction and then fixed.
  • the connecting rod 38 is pivotally connected to the needle bar 34 in order not to restrict the operation of the second Vernadelungseinrichung 4.
  • the displacement mechanism comprises a spindle arrangement 40 with the aid of which the needle board 14 of the second needling device 4 can be displaced transversely to the transport direction T of the fleece 6.
  • the spindle arrangement 40 can preferably be driven via a drive controlled by the control device 22. This adjustment can be made while the system is in operation.
  • the displacement mechanism engages the needle bar 34 of the needling device 4, but it is also possible for the lateral displacement mechanism to be directly connected to a needle board 14 pneumatically clamped to the needle bar 34.
  • a further structural parameter of the second needling device 4, whose adaptation can lead to a homogenization of the stitching pattern in the needled web 6, is the needle arrangement in the at least one needle board 14 of the second needling device 4. Since a needle board contains many possible needle positions, the variability in the needle arrangement forms a particularly effective variant for improving the penetration pattern.
  • a first option for varying the needle assembly in the needle board 14 is the targeted partial assembly of a conventional needle board 14 with needles 16, which are introduced only in the calculated by the controller 22 holes while other holes of the needle board 14 remain free.
  • the targeted partial placement of the needle board 14 can be carried out manually or by means of a placement machine, which is controlled by the control device 22.
  • Another option for varying the needle arrangement in the needle board 14 is an arrangement in which the needles 16 are horizontally displaceable in the region of the at least one needle board 14. To implement this principle, there are several possibilities.
  • the illustrated needle board 14 here comprises a base plate 41, in which a plurality of horizontally extending slots 42 are arranged.
  • a plurality of horizontally extending slots 42 are arranged.
  • four slots are shown, two in a first direction and two further in a second direction perpendicular to the first direction.
  • the arrangement of the slots 42 in the needle board is arbitrary and the slots 42 may be in any number and extend in any direction.
  • needle modules 44 are arranged horizontally displaceable.
  • Each needle module 44 in this case comprises a carrier element 46, preferably made of plastic, which has one or more recesses 47 in which the shafts of one or more needles 16 are introduced.
  • the carrier element 46 may be injection-molded onto the needles 16, for example.
  • Each slot 42 preferably has in its wall portion a circumferential shoulder 48, as best in the broken area in the lower left in Fig. 5 you can see. On these shoulders 48 are projecting edge portions 50 of the support member 46. Further design possibilities of needle modules 44 are in EP 2 138 616 A1 or EP 2 138 617 A1 described, the content of which is hereby incorporated by reference in its entirety.
  • the individual needle modules 44 can now be displaced in the slots 42, and after reaching the correct sliding position, the needle modules 44 are moved by forces between the needle board 14 and the associated needle bar 34 (FIG. Fig. 1 ) clamped. How out Fig. 5 As can be seen, a plurality of needle modules 44 can also be arranged in a slot 42.
  • a magnetic plate 52 is attached to the needle bar 34.
  • the needle board 14 consists of several ferromagnetic needle board segments 54 which are fixable to the magnetic disk 52.
  • the Nadelbrettsegmente 54 are arranged transversely to the transport direction T of the web 6 and define between them respective slots 42 for receiving needle modules 44.
  • Each needle module 44 includes a plurality of needles 16 which are connected to a support member 46.
  • the support member 46 may, as in Fig. 6 shown, slightly projecting down from the associated slot 42, but it may also be completely received in the slot 42.
  • the carrier element 46 In its end region, the carrier element 46 has a widened head portion 56 which is displaceable in a correspondingly widened portion of the associated slot 42 recorded and conducted.
  • the head portion 56 is ferromagnetic.
  • the head sections 56 of the needle modules 44 are then fixed to the magnetic plate 52.
  • each needle module 44 comprises only one needle 16, but it may also comprise a plurality of needles 16.
  • Each needle module 44 has a head portion 56 which is ferromagnetic.
  • the needle modules 44 are displaceable or can be repositioned; when the magnetic plate 52 is switched on, they are fixed to the magnetic plate 52 at any point. Gaps between individual needle modules 44 can be bridged by intermediate pieces 58 in order to achieve stabilization.
  • the intermediate pieces 58 may preferably also be ferromagnetic.
  • Fig. 8a variant shown shows individual Nadelbrettsegmente 54, at least some of which are ferromagnetic and are fixed to a magnetic plate 52.
  • the needle board segments 54 have recesses 60 (see plan view in FIG Fig. 8b ), which serve for variable recording of individual needles 16.
  • the recesses 60 are in this case formed in an edge region of the respective needle board segment 54, so that the respective recess 60 in the installed state according to Fig. 8a is limited by the adjacent needle board segment 54.
  • the individual needles 16 are thus held between each two Nadelbrettsegmenten 54 and the magnetic plate 52 fixed in the recess 60.
  • a clamping force for example via a pneumatic activatable air hose 62. This is particularly necessary if some of the needle board segments 54 do not adhere magnetically to the magnetic disk 52, because they are formed for example of plastic or aluminum.
  • a bracing device can also in the embodiment according to Fig. 7 be used.
  • variable needle arrangement in the needle board 14 is to move the needles 16 in at least one needle board 14 vertically.
  • An example of such a configuration is in Fig. 9 shown. In this case, the front right corner region of the needle board 14 is shown broken off, so that the arrangement of the needles 16 in the interior of the needle board 14 is visible.
  • the needle board 14 comprises three layers 64, 66 and 68, each having mutually aligned bores 70 for the individual needles 16.
  • the needles 16 are arranged vertically displaceable within these bores 70, in such a way that they extend in each case through the lower layer 68 and the middle layer 66 into the upper layer 64 of the needle board 14, wherein they different depths in the upper layer 64 of the needle board 14 can be pushed.
  • Fig. 9 are of the four illustrated needles 16, the two left needles less far into the upper layer 64 of the needle board 14 inserted as the two needles shown to the right thereof.
  • the fixation of the needles 16 takes place in the illustrated example by several levers 72 which apply a horizontal force on the middle layer 66 of the needle board 14 and thus passing through the middle layer 66 through needles 16 with respect to the upper plate 64 and the lower plate 68 of the Tighten needle boards 14.
  • the middle layer 66 of the needle board 14 may, as in the illustrated example, be integrally formed, or else segmented. With this arrangement, individual needles 16 can be adjusted in their height position and fixed there. The individual needles 16 are thus activated for engagement in the web 6 by being pulled down, and they are deactivated by being pushed upwards. There are several other possibilities of vertical displacement of the needles 16 in the needle board 14 conceivable.
  • variants of the variable needle assembly in the needle board can be performed only when the machine is stopped.
  • the operator is either on a screen 24, the preferred arrangement of the needles 16 in the needle board 14 of the second Vernadelungseinrichung 4 indicated that they should set, or it will be appropriate devices for automatically positioning the needles 16 in the needle board 14 by the control device 22 based on the result of the detector 20 is driven.
  • the adjustment of only one of the mentioned parameters may be sufficient or advantageous, but also several of the mentioned parameters may be adapted simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Knitting Machines (AREA)
EP15193801.6A 2014-03-13 2014-03-13 Planche a aiguilles Withdrawn EP3000923A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15193801.6A EP3000923A1 (fr) 2014-03-13 2014-03-13 Planche a aiguilles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14159491.1A EP2918719B1 (fr) 2014-03-13 2014-03-13 Procédé d'homogénéisation de l'image de piqûre dans une étoffe aiguilletée
EP15193801.6A EP3000923A1 (fr) 2014-03-13 2014-03-13 Planche a aiguilles

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP14159491.1A Division-Into EP2918719B1 (fr) 2014-03-13 2014-03-13 Procédé d'homogénéisation de l'image de piqûre dans une étoffe aiguilletée
EP14159491.1A Division EP2918719B1 (fr) 2014-03-13 2014-03-13 Procédé d'homogénéisation de l'image de piqûre dans une étoffe aiguilletée

Publications (1)

Publication Number Publication Date
EP3000923A1 true EP3000923A1 (fr) 2016-03-30

Family

ID=50289420

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15193801.6A Withdrawn EP3000923A1 (fr) 2014-03-13 2014-03-13 Planche a aiguilles
EP14159491.1A Active EP2918719B1 (fr) 2014-03-13 2014-03-13 Procédé d'homogénéisation de l'image de piqûre dans une étoffe aiguilletée

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14159491.1A Active EP2918719B1 (fr) 2014-03-13 2014-03-13 Procédé d'homogénéisation de l'image de piqûre dans une étoffe aiguilletée

Country Status (3)

Country Link
US (2) US9260806B2 (fr)
EP (2) EP3000923A1 (fr)
CN (2) CN104911857B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4202099A1 (fr) * 2021-12-22 2023-06-28 Oskar Dilo Maschinenfabrik KG Planche à aiguilles et procédé de montage d'une planche a aiguilles

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3165659B1 (fr) 2015-11-05 2018-08-29 Oskar Dilo Maschinenfabrik KG Module à aiguilles pour planche à aiguilles d'une aiguilleteuse
EP3165660B1 (fr) * 2015-11-06 2018-05-23 Oskar Dilo Maschinenfabrik KG Planche a aiguilles
CN108697190B (zh) 2016-01-19 2021-12-24 耐克创新有限合伙公司 具有材料间的刺绣过渡部的鞋类
US11311079B2 (en) 2016-01-19 2022-04-26 Nike, Inc. Footwear with felting transition between materials
US10448706B2 (en) * 2016-10-18 2019-10-22 Nike, Inc. Systems and methods for manufacturing footwear with felting
CN108085874B (zh) * 2017-12-23 2020-05-22 汕头三辉无纺机械厂有限公司 实时针刺轨迹模拟系统
CN109137269B (zh) * 2018-10-10 2024-02-02 烟台博斯纳钢琴制造有限公司 一种排针组件和钢琴弦槌预整音刺针机
DE102019100922A1 (de) 2019-01-15 2020-07-16 Adler Pelzer Holding Gmbh Kraftfahrzeug-Bodenverkleidung, Gepäckraumverkleidung oder Ladebodenverkleidung mit strukturgenadelter Teppich-Oberfläche (III)
DE102019100919A1 (de) 2019-01-15 2020-07-16 Adler Pelzer Holding Gmbh Kraftfahrzeug-Bodenverkleidung, Gepäckraumverkleidung oder Ladebodenverkleidung mit strukturgenadelter Teppich-Oberfläche (II)
DE102019100916A1 (de) 2019-01-15 2020-07-16 Adler Pelzer Holding Gmbh Kraftfahrzeug-Bodenverkleidung, Gepäckraumverkleidung oder Ladebodenverkleidung mit strukturgenadelter Teppich-Oberfläche
DE102019118163A1 (de) 2019-07-04 2021-01-07 Adler Pelzer Holding Gmbh Kraftfahrzeug-Bodenverkleidung, Gepäckraumverkleidung oder Ladebodenverkleidung mit strukturgenadelter Teppich-Oberfläche (IV)
FR3126008A1 (fr) * 2021-08-03 2023-02-10 Andritz Asselin-Thibeau Aiguilleteuse pour consolider un voile ou une nappe de fibres, notamment de non tissé, assemblage comportant un voile ou une nappe de fibres et une aiguilleteuse de ce genre et procédé pour faire fonctionner une aiguilleteuse ou un assemblage de ce genre

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EP2918719B1 (fr) 2016-09-14
US9567698B2 (en) 2017-02-14
CN104911857A (zh) 2015-09-16
CN104911857B (zh) 2017-06-06
US9260806B2 (en) 2016-02-16
CN105401375B (zh) 2018-09-25
US20150259836A1 (en) 2015-09-17
CN105401375A (zh) 2016-03-16
US20160069006A1 (en) 2016-03-10
EP2918719A1 (fr) 2015-09-16

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