EP3003938B1 - Modul für eine maschine zur herstellung von garnspulen - Google Patents

Modul für eine maschine zur herstellung von garnspulen Download PDF

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Publication number
EP3003938B1
EP3003938B1 EP14727799.0A EP14727799A EP3003938B1 EP 3003938 B1 EP3003938 B1 EP 3003938B1 EP 14727799 A EP14727799 A EP 14727799A EP 3003938 B1 EP3003938 B1 EP 3003938B1
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EP
European Patent Office
Prior art keywords
winding
yarn
module
lateral side
machine
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EP14727799.0A
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English (en)
French (fr)
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EP3003938A1 (de
Inventor
Davide Maccabruni
Roberto BADI
Ezio FANTI
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SSM Giudici SRL
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SSM Giudici SRL
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Publication of EP3003938A1 publication Critical patent/EP3003938A1/de
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    • 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
    • B65H54/72—Framework; Casings; Coverings
    • 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

Definitions

  • the present invention relates to improvements to yarn processing machines. More in particular, the invention relates to machines for winding bobbins of yarn.
  • Texturing and interlacing machines for producing composite yarns are described in EP-1551745 , EP-1411014 and EP 1689664 .
  • a machine for producing interlaced yarns with a plurality of mutually superimposed take-up or winding positions in each winding station is described in EP 1448819 .
  • a textile machine made by assembling a plurality of unit textile machines is described in US 3,988,880 .
  • the invention relates to improvements to the supporting structures, and in particular to the frame or load bearing structure of machines of this type, to increase their mechanical strength and/or simplify their assembly.
  • a module of a machine for producing bobbins of yarn comprising a plurality of winding stations mutually aligned on at least one operating front, wherein:
  • the module also comprises: two lateral side members substantially vertical and orthogonal to the direction of alignment of the winding stations; longitudinal beams parallel to the direction of alignment of the winding stations, which join the two lateral side members; and an intermediate vertical structure for facilitating assembly, arranged between the two lateral side members and advantageously mounted on the longitudinal beams and carried thereby.
  • the structure thus configured can be assembled easily and rapidly and makes it possible to obtain a sturdy structure, on which there can be assembled a high number of mutually superimposed take-up or winding positions, in order to reduce the footprint of the machine.
  • the intermediate vertical structure is supported by the beams which connect the lateral side members and not directly on the floor. To this end the beams are advantageously arranged in the lower area of the lateral side members.
  • the lateral side members are provided with floor resting feet.
  • the lateral side members and the intermediate vertical structure are made of metal sheet. Both the components can be made of a single piece of cut sheet or of more than one piece, for example two pieces, joined to each other.
  • the lateral side walls and/or the intermediate vertical structure are provided each with a plurality of arms on each side of the module where a working front is provided.
  • the number of arms on each side of each side member and on each side of the intermediate vertical structure corresponds to the number of superimposed winding positions on the respective operating front.
  • the invention also relates to a machine made by assembling a plurality of modules of the type described above.
  • two consecutive modules can share a single intermediate vertical lateral side member.
  • each module can have two side members and consecutive modules will be adjacent with the respective two vertical side members mutually adjacent. In this way, each module can be mounted completely and two or more modules can subsequently be assembled to form the complete machine.
  • the machine can have a very high number of shafts, for example 24 shafts, which extend parallel to the operating fronts of the machine. Precise alignment of the shafts on the various modules of the machine reduces both the production costs and the installation times when consecutive modules of a machine are placed side by side and assembled with a final alignment.
  • the machine is a texturing machine.
  • the texturing machine comprises supports for bobbins of starting yarn, for example in the form or one or more creels. Between the supports of the bobbins of starting yarn and the respective winding stations there are advantageously arranged texturing members of yarns fed to the machine.
  • the texturing members can comprise one or more ovens, one or more cooling zones, one or more twisting or false twisting members, one or more feed rollers with optional differential control of the peripheral speeds of the rollers placed in series along the path of the respective yarns, so as to define tensioning zones, or relaxation zones, or combinations thereof.
  • each of the feed rollers can advantageously be associated with an idle roller, to define a feed nip of the yarn, each nip being formed by two adjacent rollers, one of which is preferably motorized and the other idle.
  • Fig.1 shows a schematic and simplified axonometric view of a machine according to the invention in a possible embodiment.
  • the machine is indicated as a whole with 1 and has a plurality of winding stations indicated as a whole and schematically with 3, aligned according to a direction of alignment A, along which the machine 1 extends.
  • the machine has two operating fronts 3A, 3B, arranged on opposite sides of the longitudinal extension of the machine and located on each of which are a series of winding stations, the two series being substantially symmetric with respect to a median line.
  • an electrical enclosure 5 is provided, in which there can be housed electrical and electronic logic, control and power devices, not described in greater detail, and the motor drives to control the rotating shafts of the machine, as described in greater detail below.
  • creels 7A, 7B comprise supports for bobbins of a starting yarn that is to be processed and wound, optionally forming a composite yarn consisting of a covering yarn and of an elastomeric yarn.
  • Fig.2 shows a section along line II-II of Fig.1 of the machine 1 in a possible embodiment.
  • the creels 7A, 7B comprise a plurality of carriages 8A, 8B movable according to the double arrow f8 to facilitate movement thereof with respect to a vertical median line P-P of the machine 1.
  • B1 indicates the starting yarn bobbins, mounted on the creels 7A, 7B, the yarn F1 whreof will be processed in the machine 1.
  • the yarns F1 coming from the bobbins B1 of the creels 7A, 7B are fed to respective feed rollers 11, 13, arranged above the creels 7A, 7B and wherefrom the yarns coming from the bobbins B1 are fed to texturing ovens 13A, 13B located along the paths 9A, 9B of the yarn ( Fig.1 ).
  • the ovens 13A, 13B are arranged inclined from the bottom toward the top and from the creels toward the operating fronts, indicated with 3A and 3B respectively in Fig.2 . Downstream of the ovens 13A, 13B surfaces can be positioned for cooling and/or guiding the yarn before reaching a stretching and/or false twisting zone, as described below.
  • Fig.3 shows an enlargement of the central zone of the machine.
  • the main components of a single winding station are visible in a section according to a vertical plane orthogonal to the direction of alignment A of the winding stations.
  • Fig.4 shows a front view of one of the operating fronts 3A, 3B limited to one part of the winding stations.
  • the stations of the machine 1 are divided into modules, each of which comprises a given number of winding stations, each in turn comprising a given number of winding positions on each front 3A, 3B of the machine 1.
  • the single module of the machine 1 comprises four winding stations 1A aligned along the direction A.
  • each winding station 1A of the machine 1 comprises a feed zone 15 through which the yarns F1 coming from the creels 7A, 7B travel to be fed toward a plurality of underlying winding positions 17.
  • each winding station 1A four mutually superimposed winding positions 17 are provided, indicated with 17A, 17B, 17C and 17D respectively, starting from the highest to the lowest position.
  • each composite yarn FC is fed toward the four underlying winding positions 17A-17D, each composite yarn FC being formed by the combination of one of the respective four starting yarns F1 coming from the creels 7A, 7B with a corresponding elastomeric yarn F2.
  • the elastomeric yarns are fed, parallel to the yarns F1, from respective bobbins of elastomeric yarn indicated with B2 and housed in the feed zone 15 of each station 1A. See also the enlargement of Fig.5
  • each winding station 1A comprises four superimposed winding positions 17A-17D
  • four bobbins B2 are provided for feeding four elastomeric yarns F2 in parallel that are covered, in the manner described below, by means of four corresponding covering yarns F1.
  • each winding station 1A false twisting units 19 are provided, arranged in the upper part of the feed zone 15.
  • the false twisting units 19 are known and will not be described in detail herein.
  • the number of false twisting units 19 for each winding station 1A is equal to the number of yarns F1 fed from the respective creel 7A, 7B toward the operating front of the machine 1.
  • guide rollers 21 are also provided, one for each yarn F1, which divert the yarns F1 toward respective pairs of feed rollers 23, 25.
  • the roller 23 is motorized, while the roller 25 is idle.
  • the two rollers 23, 25 are represented spaced apart from each other, but it must be understood that during effective operation of the machine 1 the distance between the rollers 23, 25 is such that the two rollers are in mutual contact and form a nip through which the yarn F1 that is pinched between the rollers 23, 25 passes. In this way, the controlled rotation of the motorized roller 23 causes feed of the yarn or yarns F1 toward the underlying members.
  • the rollers 23 and 25 can have an axial extension such as to engage a single yarn F1, as in the example illustrated ( Fig.4 ). In this way, each yarn F1 is pinched and drawn by a respective pair of rollers 23, 25.
  • the rollers 23 can advantageously be fitted on a common drive shaft 23A, while the rollers 25 can be supported independently with respect to each other on autonomous spindles.
  • rollers 23 and/or 25 of larger axial dimension, so that a single pair of rollers 23, 25 (or one roller 23 and a plurality of rollers 25, or a single roller 25 and a plurality of rollers 23) engage several yarns F1 fed in parallel.
  • each yarn F1 follows an almost vertical path from the pair of feed rollers 23, 25 toward a further pair of rollers 27, 29 arranged in a position lower than the pair of the rollers 23, 25.
  • one of the rollers 27, 29, for example the roller 27, is motorized, while the other, for example the roller 29 is idle.
  • the rollers 27, 29 are illustrated spaced apart, but it must be understood that during effective operation of the machine the rollers 27, 29 are adjacent to each other so that the yarn F1 is pinched between the rollers 27, 29 drawn by rotation of the roller 27.
  • Reference 27A indicates a common drive shaft on which the motorized rollers 27 can be mounted.
  • each winding station 1A comprising four winding positions 17A-17D four bobbins B2 of elastomeric yarn are provided, supported by respective supports 20, which will be described in greater detail below with specific reference to Figs.6A-6C .
  • Each support 20 can hold the respective bobbin B2 of elastomeric yarn F2 in contact with a motorized unwinding roller 22.
  • each support 20 can be movable to move the bobbin B2 away from the motorized unwinding roller 22 and to perform operations to remove the exhausted bobbin B2 and replace it with a new bobbin B2 of elastomeric yarn F2, or to perform other operations.
  • the unwinding rollers 22 associated with the bobbins B2 of elastomeric yarn F2 can be mounted on a common drive shaft 22A.
  • the parallel path of the yarns F1 and F2 passes through an interlacing jet 31, where the elastomeric yarn F2 is covered by the covering yarn F1, in a known manner.
  • This latter can in practice consist, for example, of a plurality of filaments with micrometric cross section. Passing through the interlacing jet 31 the filaments forming the covering yarn F1 cover the elastomeric yarn F2 in a more or less regular manner.
  • a yarn guide 33 can be provided, for example made of ceramic, through which the composite yarn FC passes. Downstream of the yarn guide 33 the path of the composite yarn FC extends through a nip formed between a further pair of rollers 35 and 37.
  • the roller 35 can be motorized and the roller 37 can be idle.
  • the rollers 35 can be mounted on a common drive shaft 35.
  • the idle rollers 37 can be supported independently with respect to each other.
  • rollers 35 and 37 are illustrated spaced apart from each other, with a greater distance between them with respect to the effective distance during operation of the machine.
  • the rollers 35 and 37 are adjacent to each other to form a feed nip of the composite yarn FC.
  • This latter pinched between the rollers 35 and 37, is drawn by the rotation of the motorized roller 35 and subsequently advances along a path that can extend, for example, through further yarn guides 38 and 39.
  • a system for oiling the yarns can be provided between the yarn guides 38 and 39 a system for oiling the yarns can be provided.
  • the four mutually superimposed winding positions 17A-17D are arranged.
  • the path of the four composite yarns FC, which feed the four superimposed winding positions 17A-17D, extends from the respective pair of rollers 35, 37 downward so that one of the four composite yarns FC formed in each winding station 1A is fed to each winding position 17A-17D.
  • the four composite yarns FC fed to the four winding positions 17A-17D are indicated with FC A , FC B , FC C and FC D respectively.
  • each winding position 17A-17D can comprise a support 41 for a respective winding tube T, on which bobbins B3 of composite yarn FC are formed.
  • the winding movement according to the arrow fB3 is imparted to the respective bobbin B3 by a corresponding winding roller 43 provided in each winding position 17A-17D.
  • the supports 41 of the four winding positions 17A-17D are marked with the reference 41A-41D and similarly the motorized winding rollers are indicated with 43A-43D for the four winding positions 17A-17D.
  • each support 41A-41D is positioned so as to support the respective bobbin B3 at a greater height with respect to the respective motorized roller 43A-43D.
  • the position of the supports 41A-41D is such that the outer surface of the bobbin B3 being formed is maintained in contact with the respective motorized winding roller 43A-43D and pressed against it. In this way the bobbin being formed B3 is maintained in rotation due to the friction between the respective motorized winding roller 43A-43D and the outer surface, initially of the tube T and then of the bobbin B3 being formed.
  • Each winding position 17A-17D can advantageously comprise a traversing device that is used to distribute the yarn FC uniformly along the axial extension of the respective bobbin B3, imparting to the yarn during winding a reciprocating movement parallel to the winding axis of the tube T.
  • the traversing device is indicated as a whole schematically with 45A-45D for the four winding positions 17A-17D that are located on each operating front of the machine 1 at each winding station 1A.
  • the motorized rotating members of each front 3A, 3B of the machine 1 described above can be operated by continuous shafts that extend from one to the other of the two opposite heads of the machine 1.
  • Continuous shafts are intended as mechanical members that can also consist of several portions, lengths or parts connected to one another by means of appropriate joints, but which are advantageously and preferably rotated by a single motor for each shaft, positioned at the head 5.
  • the motorized rotating members positioned along each operating front 3A, 3B of the machine 1 are as follows: the feed rollers 23 of the covering yarns F1; the feed rollers 27 of the covering yarns F1 in parallel with the elastomeric yarns F2; the motorized feed rollers 35 of the composite yarns FC; the unwinding rollers 22 of the elastomeric yarns F2; the motorized winding rollers 43A-43D of the four take-up or winding positions 17A-17D; and finally the four drive shafts of the traversing device units 45A-45D of the four superimposed winding positions on each operating front 3A, 3B.
  • Fig.7 shows a possible and advantageous arrangement of electric motors on the head 5 of the machine 1 for operation of the motorized rotating members indicated above.
  • a first electric motor 51 is provided for controlling rotation of the common shaft 23A, on which the motorized feed rollers 23 of the covering yarn F1 are fitted.
  • a further motor 53 can be provided for rotation of the drive shaft 22A on which the unwinding rollers 22 of the bobbins of elastomeric yarn B2 are fitted.
  • the shaft 27A on which the feed rollers 27 are fitted can be rotated by a third motor 55.
  • a fourth motor 57 rotates the rollers 35 fitted on the shaft 35A.
  • the motorized winding rollers 43-43D of the four winding positions 17A-17D on each front 3A, 3B of the machine 1 can advantageously be operated by a pair of motors, each of which rotates two operating shafts of the winding rollers of two adjacent winding positions.
  • a motor 59 rotates shafts 61 and 63 on which the winding rollers 43A and 43B of the winding positions 17A and 17B are fitted.
  • an endless flexible member can be provided, for example a belt, preferably a toothed belt 65, which transmits motion from the common motor 59 to the two substantially parallel shafts 61 and 63, so that the series of motorized winding rollers 43A and 43B rotate in a substantially synchronous manner.
  • a further motor 67 positioned under the motor 59, can be provided to rotate the shafts 69 and 71 on which the motorized winding rollers 43C and 43D, respectively, are fitted.
  • An endless flexible member for example a toothed belt 73, can transmit motion from the motor 67 to the two shafts 69 and 71. In this way synchronous rotation of the motorized winding rollers 43C and 43D of the winding positions 17C and 17D is obtained.
  • a further motor 75 rotates a shaft 77 that controls the traversing devices 45A of the first winding position 17A, and a second operating shaft 79 of the traversing devices 45B of the second winding position 17B.
  • a flexible member for example a toothed belt 81, transmits motion from the motor 75 to the drive shafts 77, 79 of the traversing devices 45A, 45B. Therefore, these latter are controlled synchronously by the common motor 75.
  • a further motor 83 can be provided to rotate a driving shaft 85 of the traversing devices 45C of the winding positions 17C and an operating shaft 87 of the traversing devices 45D of the winding positions 17D.
  • An endless flexible member for example a toothed belt 89, can be provided to operate the drive shafts 85 and 87 synchronously so that the traversing devices 45C and 45D are controlled synchronously.
  • the winding positions 17A-17D are divided into two groups, respectively comprising the winding positions 17A, 17B and the winding positions 17C, 17D.
  • Each pair of alignments of winding positions comprises independent operating motors with respect to those of the other pair of alignments of winding positions.
  • the motors 59, 75 control the moving members (winding rollers and traversing devices) of the winding positions 17A, 17B, while the motors 67 and 83 operate the moving members (winding rollers and traversing devices) of the winding positions 17C, 17D.
  • the motors 59, 75 can be controlled independently with respect to the motors 67, 83, so as to be able to take account of the fact that the feed paths of the composite yarns FC from the nip defined by the rollers 35, 37 to the respective winding bobbin B3 have largely different lengths due to the the height at which the respective winding bobbins B3 are arranged.
  • By acting independently on the motors 59, 75 and on the motors 67, 83 it is possible to offset the variations in the feed conditions of the yarns FC so as to obtain bobbins B3 substantially the same as one another notwithstanding the different length of the feed paths.
  • the supports 20 of these bobbins B2 to obtain a more compact arrangement of the bobbins B2 of elastomeric yarn F2, particular measures are adopted in the configuration of the supports 20 of these bobbins B2.
  • all the bobbins B2 of elastomeric yarn F2 to be arranged at the same height, to prevent differences in the feed conditions of the various elastomeric yarns F2 to the interlacing jets 31.
  • the supports 20 must be configured so that in a footprint corresponding to the axial dimension of a take-up bobbin B3 four bobbins of elastomeric yarn B2 are arranged.
  • the bobbins of elastomeric yarn F2 can be placed substantially coaxial to one another and therefore paths that are substantially the same can be defined for each of the four elastomeric yarns F2 that are fed to the four underlying take-up positions, to the advantage of uniformity of the production conditions of the various bobbins B3 of composite yarn FC.
  • a particular form of the supports 20 in Fig.3 To facilitate handling of the bobbins of elastomeric yarn B2 in the steps to replace exhausted bobbins with new bobbins and also, for example, in the case of accidental breakage of the elastomeric yarn with the need to restore feed, in some embodiments there is provided a particular form of the supports 20 in Fig.3 . Additional structural and functional details of an embodiment of the supports 20 will now be described with specific reference to Figs.6A-6C , which show a portion of the zone in which the supports 20 are arranged, in an axonometric view and in different operating positions.
  • each support 20 comprises an arm 91 constrained to a fixed structure 93 of the machine 1.
  • each arm 91 can be pivoted in 91A to the structure 93 and can be provided with movement of limited pivoting according to the double arrow f91 about the fulcrum 91A.
  • Figs.6A and 6B show by way of example the arms 91 in two different angular positions.
  • the arms 91 are placed in an angular position such that the outer surface of the respective bobbin B2 of elastomeric yarn F2 is in contact with the outer cylindrical surface of the unwinding roller 22.
  • rotation of the unwinding roller 22 causes, through friction, rotation in the unwinding direction of the bobbin B2.
  • the position in which the arm 91 is located, when the bobbin B2 is in contact with the unwinding roller 22 varies as a function of the diameter of the bobbin B2.
  • this bobbin decreases as a result of consumption of the elastomeric yarn F2
  • the arm 91 rotates, i.e. pivots downward as a result of gravity, maintaining contact between the outer surface of the bobbin B2 and the outer surface of the unwinding roller 22.
  • Fig.6B shows a position of maximum lifting of the arms 91 of the supports 20 of the bobbins B2 of elastomeric yarn F2.
  • a core or flange A2 of the respective bobbin B2 of elastomeric yarn F2 is located abutting against a respective brake 95 carried by a respective bracket 97 blocked on the fixed structure 93 of the machine, preferably in an angular position that can be adjusted by means of a screw 99 and a slot 100, for example.
  • Adjustment of the angular position of the bracket 97 allows the position of the brake 95 to be adapted to the dimension of the diameter of the flange or core A2 of the bobbin B2 of elastomeric yarn F2.
  • pressing the flange or core A2 of the bobbin B2 against the brake 95 causes rotation of the bobbin B2 to be stopped, for example when it is spent and must be replaced, or to perform an operation, for example to restore feed of the elastomeric yarn after a breakage.
  • each arm 91 can be imparted by a respective actuator 103, for example a piston-cylinder actuator of pneumatic of hydraulic type.
  • a respective actuator 103 for example a piston-cylinder actuator of pneumatic of hydraulic type.
  • the gradual lowering movement to follow the decrease in the diameter of the bobbin can be obtained simply through gravity.
  • each arm 91 of each support 20 carries an extractable element 105 bearing a support member of a respective bobbin B2, for example a shank or the like.
  • the extractable element 105 can advantageously be provided with a gripping handle 105M, constrained to a rod or spindle 105A, at the end whereof, opposite to the handle 105M, a shank 105C or other member is constrained, for engaging the bobbin B2 of elastomeric yarn F2.
  • the extractable element 105 can advantageously be guided in a guide 91G that can be provided in the arm 91.
  • each extractable element 105 can move according to a direction substantially parallel to the extension of the arm 91 according to the double arrow f105 to alternatively take a retracted position as shown in Figs.6A and 6B and an extracted position as shown in Fig.6C for one of the arms illustrated therein.
  • the extractable element 105 carries the bobbin B2 with it. This latter can therefore be translated until it is carried with its axis outside the volume occupied by the other bobbins B2 positioned coaxial to one another in the respective unwinding positions.
  • Fig.6C it can be seen how extraction of one of the extractable elements 105 causes offset of the axes of the bobbins B2 facing one another, so that the bobbin B2 that is in the position farthest from the fulcrum 91A of the arm 91 can be removed with a movement parallel to its support axis 20, without interfering with the adjacent bobbin.
  • This configuration allows pairs of bobbins B2 in unwinding position to be arranged very close to one another in axial direction, as can be seen in Fig.4 .
  • the distance in axial direction between the bobbins B2 of each pair is less than the distance that would allow removal and insertion of a bobbin only with axial movement, without interference with the opposite bobbin.
  • These movements are obtained by moving each bobbin B2 according to the direction f105 by means of the extractable element 105 until it is taken outside the volume occupied by the coaxial bobbins that remain in their original position. After the extraction movement has been performed, the bobbin extracted according to arrow f105 can be removed with a movement parallel to its axis and replaced with a new bobbin B2.
  • the overall structure of the machine 1 is configured so as to concentrate a large number of components in reduced spaces, with superimposition of multiple unwinding and winding members so as to occupy a limited floor space.
  • This causes considerable difficulties in the production of the load bearing structure of the machine.
  • assembly of the load bearing structure is facilitated by adopting a particular configuration of the respective metalwork that forms the frame of the machine.
  • Figs.8 to 11 show components relating to the frame of a single module of the machine 1.
  • a module of the machine 1 comprises two lateral side members which, in mounted arrangement, are arranged vertically and which can each be configured as indicated in Fig.8 or Fig.9 .
  • Two adjacent modules of the machine 1 can have a common intermediate side member.
  • each module will have two respective side members that are arranged in mutually adjacent positions when the modules are mounted in sequence. Therefore, the total number of vertical side panels of the machine depends on the total number of modules of which the machine 1 is formed.
  • the lateral side member is labeled 111.
  • the side member 111 is made of metal sheet.
  • the lateral side member 111 is formed of two parts, respectively an upper part 111A and a lower part 111B, mutually joined along an interface I.
  • the side member 111 can be made of a single continuous metal sheet.
  • the lateral side members 111 can have openings or slots 113, 115, 117, both with the function of lightening and for the passage of shafts for operation of the rotating members described above.
  • the vertical side panels111 have arms 121 on both sides.
  • the traversing device units 45A-45D of the four winding positions 17A-17D can be mounted at the arms 121.
  • Each vertical lateral side member 111 can be provided with feet 127 for supporting it on the floor.
  • the frame of a single module of the machine 1 is represented with four supporting feet.
  • two mutually adjacent vertical lateral side members 111 belonging to two consecutive modules of the machine 1 advantageously have staggered feet, to prevent the feet of one side member from interfering with those of the adjacent side member.
  • the two adjacent vertical lateral side members 111 that delimit the portion of frame illustrated in Fig.11 can be joined, as well as by the two lower horizontal beams 125, also by two crossed tie rods 129.
  • horizontal longitudinal elements 131 can be arranged, which are constrained at their ends to the two respective vertical lateral side members 111.
  • the frame of a single module has eight horizontal longitudinal elements 131, four for each front.
  • the longitudinal elements 131 are advantageously used to mount the supports 41A-41D of the winding bobbins B3 of the various winding positions 17A-17D positioned on the two operating fronts 3A, 3B of the machine 1.
  • an intermediate vertical structure 135 for facilitating assembly in order to facilitate assembly of the frame of each module of the machine 1 and to support the weight of the members of the winding positions, between the two vertical lateral side members 111 can be placed an intermediate vertical structure 135 for facilitating assembly.
  • the intermediate vertical structure for facilitating assembly 135 can consist of metal sheet, similarly to the side members 111.
  • the intermediate vertical structure 135 for facilitating assembly can have a plurality of lateral arms 135A.
  • four lateral arms 135A are provided on each side of the intermediate vertical structure 135 for facilitating assembly.
  • the number of lateral arms 135A on each side of the intermediate vertical structure 135 for facilitating assembly can be the same as the number of winding positions 17A-17D on each operating front of the machine 1.
  • the lower arms 135A are also used to constrain the intermediate vertical structure 135 for facilitating assembly to the longitudinal beams 125.
  • each arm 135A of the intermediate vertical structure 135 for facilitating assembly can be used to constrain a respective longitudinal element 131, simplifying and facilitating assembly of the components of the frame of the machine and of the mechanical members supported by this frame and stiffening the horizontal longitudinal elements 131 that support a high weight, represented by the bobbins B3 being wound and by the relevant supports.
  • the machine comprises a texturing, false twisting and stretching system (ovens 13A, 13B, false twisting units 19 and feed rollers) and is configured to produce a composite yarn FC obtained by combining an elastomeric yarn and a covering yarn.
  • a texturing, false twisting and stretching system (ovens 13A, 13B, false twisting units 19 and feed rollers) and is configured to produce a composite yarn FC obtained by combining an elastomeric yarn and a covering yarn.
  • supports 20 for the bobbins B2 of elastomeric yarn F2 and interlacing jets are provided.
  • the machine can have a simpler configuration, with only texturing, stretching and false twisting means, but without feed of elastomeric yarns F2.
  • the supports 20 and the unwinding rollers 22 can be omitted.
  • the interlacing jets can be maintained to treat the textured yarn F1 with a jet of air that increases its volume.
  • the interlacing jets can be omitted from the machine.
  • the bobbins of elastomeric yarn B2 and the related feed members can be arranged in the zone of the creels 7A, 7B.

Claims (16)

  1. Modul einer Maschine zur Erzeugung von Garnrollen mit einer Anzahl von Wickelstationen, die gegenseitig an zumindest einer Betriebsseite ausgerichtet sind, wobei:
    jede Wickelstation mindestens eine Förderzone zur Förderung einer Anzahl von Garnen zu einer entsprechenden unterliegenden Anzahl von gegenseitig überlagerten Wickelpositionen aufweist, wobei jede Wickelposition einen Träger für ein Rohr aufweist, auf denen eins der Garne gewickelt wird, um eine Spule zu bilden, eine angetriebene Wickelrolle in Kontakt mit der Wickelspule und eine Querungsvorrichtung, um das Garn in wendelförmigen Windungen um die gebildete Spule zu verteilen, wobei zwei laterale Seitenelemente vorgesehen sind, die im Wesentlichen vertikal und orthogonal zu der Richtung der Ausrichtung der Wickelstationen sind und die gegenseitig durch Längsträger parallel zu der Richtung der Ausrichtung der Wickelstationen verbunden sind,
    wobei die lateralen Seitenelemente mit Füßen versehen sind,
    die auf dem Boden aufliegen,
    gekennzeichnet durch ferner eine vertikale Zwischenstruktur zur Erleichterung der Montage, die zwischen den beiden lateralen Seitenelementen angeordnet sind, an den Längsträgern montiert sind und dadurch getragen werden.
  2. Modul nach Anspruch 1, dadurch gekennzeichnet, dass es zwei gegenüberliegende Betriebsseiten aufweist.
  3. Modul nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die vertikale Zwischenstruktur und die Seitenelemente aus einem Metallblech hergestellt sind.
  4. Modul nach Anspruch 1 oder 2 oder 3, dadurch gekennzeichnet, dass die vertikale Zwischenstruktur eine Anzahl von Seitenarmen auf jeder Seite der vertikalen Zwischenstruktur aufweist, wobei die Anzahl der Arme gleich der Zahl der Wickelpositionen an jeder Betriebsseite des Moduls ist.
  5. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Längsträger an unteren Kanten der lateralen Seitenelemente befestigt sind.
  6. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die beiden lateralen Seitenelemente ferner über mindestens eine Gelenksstange miteinander verbunden sind.
  7. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die beiden lateralen Seitenelemente ferner über zwei gekreuzte Gelenksstangen miteinander verbunden sind.
  8. Modul nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass die vertikale Zwischenstruktur eine Mittelöffnung aufweist, durch die sich die Gelenksstange (Gelenksstangen) erstreckt (erstrecken).
  9. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Füße für die Auflage auf dem Boden an den lateralen Seitenelementen in einer versetzten Position montiert sind, um zu verhindern, dass Füße von benachbarten lateralen Seitenelementen von gegenseitig ausgerichteten Modulen miteinander kollidieren.
  10. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jedes laterale Seitenelement durch mindestens zwei Teile gebildet ist, die einander überlagert sind und in einer koplanaren Konfiguration befestigt sind.
  11. Modul nach einem oder mehreren der vorstehenden Ansprüche, dadurch gekennzeichnet, dass jedes laterale Seitenelement einen Trägerarm von Förder- und Wickelelementen des Garns aufweist.
  12. Modul nach Anspruch 11, dadurch gekennzeichnet, dass es eine Anzahl von Längsverbindungselementen aufweist, die sich zwischen den beiden lateralen Seitenelementen erstrecken und damit verbunden sind, wobei entlang von jedem von ihnen Garn-Wickeleinheiten angeordnet sind, und wobei vorzugsweise die Längsverbindungselemente zwischen jeweiligen Trägerarmen angeordnet sind, die an den lateralen Seitenelementen vorhanden sind und wobei vorzugsweise die Längsverbindungselemente an der vertikalen Zwischenstruktur mittels entsprechender Seitenarme der vertikalen Zwischenstruktur befestigt sind.
  13. Modul nach Anspruch 12, dadurch gekennzeichnet, dass jedes der Verbindungselemente eine Anzahl von Trägern für Rohre trägt, auf denen die jeweiligen Garne gewickelt werden, um die Rollen zu bilden.
  14. Maschine zur Herstellung von Garnrollen mit einer Anzahl von Modulen nach einem der vorstehenden Ansprüche, die zueinander ausgerichtet sind.
  15. Maschine nach Anspruch 14 dadurch gekennzeichnet, dass sie Garn-Texturierelemente aufweist und wobei die Garn-Texturierelemente vorzugsweise eins oder mehrere der folgenden Elemente aufweist: Heizöfen, Kühlelemente, Drall- oder Falschdralleinheiten, angetriebene Streck- oder Relaxationswalzen.
  16. Maschine nach Anspruch 15 mit, in jeder Wickelposition, Trägern für Rollen aus elastomerem Garn und Verwirbelungsdüsen zur Verbindung eines elastomeren Garns und eines texturierten Garns miteinander.
EP14727799.0A 2013-05-29 2014-05-27 Modul für eine maschine zur herstellung von garnspulen Active EP3003938B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000127A ITFI20130127A1 (it) 2013-05-29 2013-05-29 "un modulo per una macchina per la produzione di bobine di filo"
PCT/EP2014/060999 WO2014191437A1 (en) 2013-05-29 2014-05-27 A module for a machine for producing bobbins of yarn

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EP3003938A1 EP3003938A1 (de) 2016-04-13
EP3003938B1 true EP3003938B1 (de) 2017-04-19

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TWI616567B (zh) 2018-03-01
CN105392724A (zh) 2016-03-09
WO2014191437A1 (en) 2014-12-04
EP3003938A1 (de) 2016-04-13
ITFI20130127A1 (it) 2014-11-30
JP6401783B2 (ja) 2018-10-10
JP2016521665A (ja) 2016-07-25
TW201510299A (zh) 2015-03-16
CN105392724B (zh) 2018-05-22

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