• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A treatment unit (100) for in-line treatment of at least one thread (20) for use with a thread consuming device (15) is provided.
    公开号:SE1651157A1
    申请号:SE1651157
    申请日:2016-08-28
    公开日:2018-02-20
    发明作者:Eklind Martin
    申请人:Inventech Europe Ab；
    IPC主号:
    专利说明:

    A TREATMENT UNIT FOR IN-LINE TREATMENT OF THREAD Technical FieldThe present invention relates to the technical field of thread consuming devices, suchas embroidery machines. In particular the present invention relates to a treatment unit to be used in association With such thread consuming device.
    Background It has been suggested to provide thread consuming devices, such as embroiderymachines or the like, With in-line apparatuses designed to provide the thread With a certaintreatment. Such in-line apparatuses could e. g. be used to colour the thread, Whereby multiplecolour nozzles could replace the current use of multiple pre-coloured threads When producingmulti-coloured patterns using embroidery machines.
    When a nozzle is arranged to colour a thread passing by it is important to have anaccurate alignment between the nozzle and the thread in use. HoWever thread consumingdevices, and especially embroidery machines, are usually subject to heavy vibrations duringembroidery operation, especially due to the moveable stage carrying the fabric to beembroidered. It is therefore proven to be difficult to achieve the desired in-line treatment usingexisting thread consuming devices.
    In view of this there is a need for an improved system for in-line treatment of thread, addressing the disadvantages mentioned above.
    Summary An object of the present invention is to provide a treatment unit Which can be usedWith existing thread consuming devices Without incurring the problems mentioned aboverelating to reduced treatment quality.
    According to a first aspect a treatment unit for use With a thread consuming device isprovided. The treatment unit is configured to provide in-line treatment of at least one thread,and comprises a plurality of nozzles arranged at different positions relative the at least onethread, said at least one thread being in motion in use, each nozzle being configured to dispenseone or more coating substances onto the at least one thread When activated, Wherein saidtreatment unit is provided as a stand-alone unit.
    The treatment unit may further comprise a first and second thread guiding devicearranged at opposite sides of the nozzles in a direction corresponding to the thread feed direction.
    The treatment unit may further comprise at least one support arrangement. Thesupport arrangement is provided With means for attaching said treatment unit to an adj acentload-bearing structure.
    In an embodiment, the support arrangement is adjustable such that the treatment unit ismoveable relative said thread consuming device.
    The treatment unit may further comprise a housing at least enclosing the plurality ofnozzles.
    The housing may form a protective cover for the entire treatment unit.
    In an embodiment, the housing extends, at least partly, in a horizontal direction Whenarranged in connection With the thread consuming device such that the thread, When being fedthrough the treatment unit, is at least partly extending in a horizontal direction.
    The housing may be L-shaped.
    The treatment unit may further comprise at least one fixation device for fixating theone or more coating substances onto said thread.
    In an embodiment, the treatment unit further comprises at least one thread feedingdevice.
    The treatment unit may further comprise a control unit for at least controlling theoperation of said plurality of nozzles.
    In an embodiment the treatment unit further comprises a display configured to providea graphical user interface.
    The display may be configured to communicate With said control unit such that theoperation of said plurality of nozzles may be controlled based on user input via said graphicaluser interface.
    The display may be provided at an end portion of said treatment unit.
    According to a second aspect, a thread consuming unit is provided. The threadconsuming unit comprises a thread consuming device and at least one thread treatment unitaccording to the first aspect.
    The at least one thread treatment unit may be arranged at least partly above said thread consuming device, or on said thread consuming device.
    Thread consuming device is in this context any apparatus Which in use consumesthread. It may e. g. be an embroidery machine, Weaving machine, seWing machine or knittingmachine, or any other thread consuming apparatus Which may benefit from a surface treatmentor coating or any other process involving subj ecting the thread to a substance, such as dying.
    Stand-alone is in this context a term describing a relationship With associated operating equipment, i.e. the associated thread consuming device, meaning that there is no essential mechanical connection between a stand-alone device or unit and its surroundingoperating equipment for allowing the desired functionality of the device or unit.
    Housing is in this context any supporting structure which provides the necessarymounting means for its components comprised therein. Hence, a housing may not necessarilyform a surrounding enclosure, but rather a support.
    Treatment is in this context any process designed to cause a change of the propertiesof a thread. Such processes include, but are not limited to, colouring, wetting, lubrication,cleaning, fixing, heating, curing, etc.
    Thread is in this context a flexible elongate member or substrate, being thin in widthand height direction, and having a longitudinal extension being significantly greater than thelongitudinal extension of any parts of the system described herein, as well as than its width andheight dimensions. Typically, a thread may consist of a plurality of plies being bundled ortwisted together. The term thread thus includes a yarn, wire, strand, filament, etc. made ofvarious different materials such as glass fibre, wool, cotton, synthetic materials such aspolymers, metals, or e. g. a mixture of wool, cotton, polymer, or metal.
    Ply is in this context a flexible member forn1ing part of a thread. A ply typicallyconsists of several filaments being twisted together. For creating a balanced thread, i.e. a threadhaving no or very little kink, the plies and the filaments may in some cases be twisted inopposite direction.
    Within this specification, all references to upstream and/or downstream should beinterpreted as relative positions during normal operation of the thread consuming device, i.e.when the device is operating to treat an elongated substrate, such as a thread, continuouslymoving through the device in a normal operating direction. Hence, an upstream component isarranged such that a specific part of the thread passes it before it passes a downstream component.
    Brief Description of the DrawingsEmbodiments of the invention will be described in the following description of thepresent invention; reference being made to the appended drawings which illustrate non-limiting examples of how the inventive concept can be reduced into practice.
    Fig. 1 is a schematic view of a single-head embroidery machine according to prior art.
    Fig. 2 is a schematic view of a multi-head embroidery machine according to prior art.Fig. Sa is a schematic view of a thread consuming unit according to an embodiment.Fig. 3b is a schematic view of a thread consuming unit having a treatment unit according to an embodiment;Fig. 4 is a side view of a treatment unit according to an embodiment.
    Fig. 5 is a schematic view of a treatment unit according to an embodiment.
    Fig. 6 is a schematic view of a nozzle head for use with a treatment unit according to an embodiment.
    Detailed Description Starting in Fig. 1 a single-head embroidery machine 1 according to prior art isschematically shown. The embroidery machine includes a rigid stand 2a onto which the activeparts of the machine 1 is mounted, and a moveable stage 2b carrying the fabric to beembroidered. During operation the moveable stage 2b is controlled to rapidly change itsposition in the X and Y direction (i.e. the horizontal plane). The active parts are the moveablestage 2b, the embroidery head 3 and its associated needles 4, the threads 5a-f, and the controlinterface 6. The control interface 6 is formed as a display allowing an operator to control theoperation of the embroidery machine 1 in terms of embroidery design, maintenance, etc. Thethreads 5 used for embroidery are provided as separate thread rells 5a-f, wherein each thread rell5a-f carries thread of a unique colour. Hence, controlling the operation of the embroiderymachine 1 thus includes control of which colour to be used, and consequently which thread reelto be used during embroidery.
    The exact configuration of the embroidery machine 1 may vary depending on themanufacturer, but the underlying technology is well-known in the art and will not be describedfurther herein.
    In Fig. 2 another example of an existing embroidery machine 10 is shown. Theembroidery machine 10 of the example is a multi-head embroidery machine, meaning thatseveral single-head embroidery machines 1 are connected by a single stage 12. During operationone or more of the single-head embroidery machines 1 may be running. The multi-headembroidery machine 10 is preferably associated with a common moveable stage 2b, as isindicated in Fig. 2.
    In Fig. Sa a schematic view of a thread consuming unit is shown. The threadconsuming unit comprises a thread consuming device 15, e. g. in the form of an embroiderymachine, a weaving machine, a sewing machine, etc., and a treatment unit 100 as will be furtherdescribed in the following.
    Now turning to Fig. 3b the thread consuming device 15 is exemplified as anembroidery machine 15, here illustrated as a single-head embroidery machine, being equippedwith a treatment unit 100. The treatment unit 100 allows the embroidery machine 15 to operatewithout the provision of uniquely pre-coloured threads, as is required for conventionalembroidery machines. Instead, the treatment unit 100 provides in-line colouring of a thread 20in accordance with predetermined colouring patterns, such that a coloured embroidery can beproduced. The treatment unit 100 thus replaces the individual thread reels 5a-f shown in Figs. 1-2.
    As is shown in Fig. 3b the only connection between the treatment unit 100 and theembroidery machine 15 is the thread 20, as well as electrical connections (not shown). Thetreatment unit 100 is thus provided as a stand-alone unit having no mechanical connection withthe moveable stage 2b. Separate mounting for the treatment unit 100 can be achieved in anumber of ways in order to prevent vibrations to be transmitted from the embroidery machine15 to the treatment unit 100. In Fig. 3b three alternative mountings are shown. For all threealternatives the treatment unit 100 is provided with a support arrangement 110. The supportarrangement 110 may e. g. be a beam or other rigid component designed to carry the weight ofthe entire treatment unit 100.
    The support arrangement 110 is provided with attachment means (not shown), e. g. inthe form of screws/bolts and associated bores, such that the support arrangement 110, and thusthe entire treatment unit 100, may be attached to a load-bearing structure 30. The load bearingstructure 30 may e. g. be a wall 30a, a ceiling 30b, or the underlying floor 30c. It should be notedthat normally it is required to use only one load-bearing structure 30a-c to support the entireweight of the treatment unit 100. In an optional embodiment, the stand-alone treatment unit 100is mounted to the thread consuming device 15 via a suspension arrangement for reducing thetransmission of vibrations to the treatment unit 100.
    During operation, the heavy vibrations of the embroidery machine 15 causedespecially by the movement of the stage 2b will not be transmitted to the treatment unit 100 asthis is provided as a stand-alone unit. Accurate colouring of the thread during operation istherefore possible.
    In Fig. 4 a side view of an embodiment of the treatment unit 100 is shown. Thesupport arrangement 110, here in the form of a beam extending along the treatment unit 100, istelescopic which means that the treatment unit 100 can be positioned either in an operationposition, indicated by solid lines, or a service/maintenance position as is indicated by dashedlines. The telescopic functionality of the support arrangement 110 may e. g. be accomplished byhaving two beam members being slidably arranged relative each other. The support arrangement110 may in other embodiments be pivotable, such that the treatment unit 100 may be rotatedalong a substantially vertical rotational axis.
    The provision of a moveable support arrangement 110 is especially advantageouswhen multiple treatment units 100 are arranged in connection with a multi-head embroiderymachine 15 as is shown in Fig. 2, as it would otherwise be difficult to access the treatment units100 for service and/or maintenance.
    The various components of the treatment unit 100 are shown in Fig. 5. As can be seenin Fig. 5 a majority of the components are arranged inside a housing 105, and the housing 105 isconnected to the support arrangement 110 extending at the upper portion of the housing 105.
    The housing 105 extends from a front end, at which the treated thread 20 exits the treatment unit 100, to a rear end. The rear end of the housing 105 is preferably left open, or at least beingopenable, in order to load a thread reel 120. The thread reel 120 is preferably carrying anuncoloured thread, or of any other standard colour which is suitable for in-line colouring tovarious other colours and/or colouring effects.
    The housing 105 may e. g. be a box-like enclosure in order to accommodate thevarious components of the treatment unit 100. The box-like enclosure may be formed by a metalsheet(s) being formed or assembled to form a closed space. The support arrangement 110 maynot only be used to carry the weight of the treatment unit 100 and to allow for its support, butalso for providing attachment means for the housing 105. The housing 105 may e. g. have ahorizontal extension, a longitudinal extension, or a combination of a horizontal and alongitudinal extension. In Fig. 5, representing a preferred embodiment, the housing 105 has anL-shape. A horizontal part of the housing 105 encloses a first number of components, and avertical part of the housing 105 encloses a second number of components. This particular designof the housing 105 has proven to provide a very efficient trade-off between two otherwiseincompatible features, namely to provide a horizontally compact unit and to provide easy accessto the interior components. Should a completely horizontally extending housing 105 be utilizedits horizontal extension will be relatively big, whereby a vertically extending housing 105 willmake it difficult to access the various components inside the housing 105.
    Immediately downstream the thread reel 120 a thread feeder 130 may be arranged,which is configured to pull the thread forward through the treatment unit 100. The thread feeder130 is not described further herein, but for a more general understanding the thread feeder 130receives and forwards the thread 20. For this, the thread feeder 130 is controlled by a controlunit 190 described further below. The thread feeder 130 is preferably also configured to controlthe thread tension, e. g. by means of a driven roller, an encoder wheel, and one or more threadguides. After passing the thread feeder 130 the thread 20 engages with a thread guiding device140. The thread guiding device 140, which may e. g. be in the form of one or more guidingrollers 142, 144 or other suitable means, is ensuring that the thread 20 is aligned with one ormore treatment nozzles forn1ing part of discharge device 150. The discharge device 150 isconfigured to discharge treatment substance, such as a colouring substance, onto the thread 20as it passes the discharge device 150. For this the nozzles are arranged preferably in thelongitudinal direction of the thread 20 as will be further explained in relation to Fig. 6.
    Downstream the discharge device 150 another thread guiding device 160 is provided.The second thread guiding device 160 is cooperating with the first thread guiding device 140such that the position of the thread 20 is correct during its travel along the discharge device 150.The second thread guiding device 160 may e. g. be in the form of one or more guiding rollers 162, 164, although it may also be designed to induce a rotation of the thread 20 along its longitudinal axis. This extra functionality can provide advantages to the colouring as also willbe described below.
    The thread 20 is then fed forward to pass one or more fixation units 170 which areprovided in order to fixate the treatment substance to the thread 20. The fixation unit 170preferably comprises heating means, such as a hot air supply or heated elements, or an UV lightsource such that the treatment substance, e. g. a colouring substance, is cured or fixated onto thethread 20. As is shown in Fig. 5 the fixation unit 170 may either be arranged horizontally,vertically, or at an angle between horizontally and vertically.
    Before exiting the housing 105 the thread 20 passes a cleaning unit 180, such as anultrasonic bath, where unwanted particles are removed from the thread 20. As the treatmentsubstance is fixated onto the thread 20, the cleaning unit 180 will leave the treatment substanceunaffected.
    The treatment unit 100 may further comprise a lubrication unit 185 arranged inside thehousing 105. Additional thread buffers and feeders (not shown) may also be included in thetreatment unit 100, arranged at various positions in the thread path.
    The thread 20 preferably exits the treatment unit 100 through an aperture or similar,whereby the thread 20 is forwarded to an associated thread consuming device, such as anembroidery machine 15 as is shown in Figs. 3a-b.
    The thread feeder 130 and the other components engaging with the thread 20 duringoperation are preferably configured such that the force required to pull the thread 20 from thetreatment unit 100, i.e. the pulling force applied by the downstream embroidery machine 15, isapproximately the same as if the treatment unit 100 was replaced by prior art thread reels.
    A control unit 190 with associated electronics, such as power electronics,communication modules, memories, etc is also provided. The control unit 190 is connected tothe thread feeder 130, the discharge device 150, and the fixation unit 170 for allowing control ofthe operation of these components. Further, the control unit 190 is configured to controllingoperation of the entire treatment unit 100 including the cleaning unit 180, the lubrication unit185, a disruption of the thread 20, the thread speed at various position along the treatment unit100, the thread buffers, etc. The control unit 190 may also be configured to receive controlsignals from one or more components of the treatment unit 100, e. g. control signals fortriggering specific control, or other information relating to e. g. thread consumption by theembroidery machine 15.
    A user interface is also provided, preferably via a display 195 arranged at the front endof the housing 105. The display 195 allows a user to interact with the control unit 190 and isthus connected thereto, so that the control parameters of the thread feeder 130, the discharge device 150, the fixation unit 170, etc. may be set depending on process specifications. The display 195 may also preferably be used for alerting the user of critical situations, whereby thedisplay 195 may be used for the control unit 190 to issue alarms or the like.
    It should be noted that the components described above may not necessarily beincluded in the stand-alone treatment unit 100, but instead the components of the treatment unit100 may be separated into several units, of which at least one unit is a stand-alone unit.Preferably, the stand-alone unit includes at least the discharge device 150 and the adj acentthread guiding devices 140, 160.
    Examples of the discharge device 150 will be further described with reference to Fig.6. In Fig. 6 an embodiment is shown in which the discharge device 150 is formed as an ink-jetnozzle head having multiple nozzle arrays 151a-d. Each nozzle array 151a-d may for examplebe an inkjet nozzle array, comprising thousands of nozzles. For illustrative purpose only sixnozzles 152a-f are shown for one nozzle array 151a; it should however be realized that eachnozzle array 151a-d may be provided with thousands of nozzles 152 each. As an example, eachnozzle array 151a-d may be associated with a single colour, illustrated according to the CMYKstandard. However, other colouring models may be used as well. It may also be possible toarrange the nozzle arrays 151a-d as separate units within the treatment unit 100.
    In this embodiment each nozzle 152a-f dispenses a coating substance having a colouraccording to the CMYK colour model, where the primary colours are Cyan, Magenta, Yellow,and Black. It may thus be possible to dispense a wide variety of colours onto the thread byactivating nozzles 152a-f such that the total colouring substance of a specific length of thethread 20 will be a mix of the colouring substances dispensed by the nozzles 152a-f. In anotherembodiment, each nozzle 152a-f dispenses a coating substance having a colour comprising amix of two or more primary colours of the CMYK colour model.
    The control unit 190 is configured to control the activation of the nozzles 152a-f suchas the coating substance is emitted onto the thread 20 as it passes through the treatment unit100. By such configuration e. g. very precise colouring of the thread 20 is possible e. g. in orderto provide advanced embroidery patterns, visually extremely sophisticated by means of thecolouring provided by the treatment unit 100.
    Although the present invention has been described above with reference to specificembodiments, it is not intended to be limited to the specific form set forth herein. Rather, theinvention is limited only by the accompanying claims.
    In the claims, the term “comprises/comprising” does not exclude the presence of otherelements or steps. Additionally, although individual features may be included in differentclaims, these may possibly advantageously be combined, and the inclusion in different claimsdoes not imply that a combination of features is not feasible and/or advantageous. In addition, 44 99 44 singular references do not exclude a plurality. The terms a , an”, “first”, “second” etc do not preclude a plurality. Reference signs in the claims are provided merely as a clarifying example and shall not be construed as limiting the scope of the clairns in any Way.
    权利要求:
    Claims (18)
    [1] 1. A treatment unit (100) for in-line treatment of at least one thread (20) for use With athread consuming device (15), said treatment unit (100) comprising a plurality of nozzles (152a-g) arranged at different positions relative the at least one thread (20), said at least one thread(20) being in motion in use, each nozzle being configured to dispense one or more coatingsubstances onto the at least one thread (20) When activated, Wherein said treatment unit (100) is provided as a stand-alone unit.
    [2] 2. The treatment unit (100) according to claim 1, further comprising a first and secondthread guiding device (140, 160) arranged at opposite sides of the nozzles (152a-g) in a direction corresponding to the thread feed direction.
    [3] 3. The treatment unit (100) according to claim 1 or 2, further comprising at least one support arrangement (1 10).
    [4] 4. The treatment unit (100) according to claim 3, Wherein said support arrangement(110) is provided With means for attaching said treatment unit (110) to an adj acent load-bearing structure (30).
    [5] 5. The treatment unit (100) according to claim 4, Wherein said support arrangement(110) is adjustable such that the treatment unit (100) is moveable relative said thread consumingdevice (15).
    [6] 6. The treatment unit (100) according to any one of the preceding claims, furthercomprising a housing (105) at least enclosing the plurality of nozzles (152a-g).
    [7] 7. The treatment unit (100) according to claim 6, Wherein said housing (105) forms a protective cover for the entire treatment unit (100).
    [8] 8. The treatment unit (100) according to claim 6 or 7, Wherein said housing (105)extends, at least partly, in a horizontal direction When arranged in connection With the threadconsuming device (1) such that the thread (20), When being fed through the treatment unit (100), is at least partly extending in a horizontal direction.
    [9] 9. The treatment unit (100) according to any one of claims 6-8, Wherein said housing (105) is L-shaped. 11
    [10] 10. The treatment unit (100) according to any one of the preceding claims, furthercomprising at least one fixation device (170) for fixating the one or more coating substances onto said thread (20).
    [11] 11. The treatment unit (100) according to any one of the preceding claims, further comprising at least one thread feeding device (130).
    [12] 12. The treatment unit (100) according to any one of the preceding claims, further comprising a control unit (190) for at least controlling the operation of said plurality of nozzles.
    [13] 13. The treatment unit (100) according to claim 12, further comprising a display (195) configured to provide a graphical user interface.
    [14] 14. The treatment unit (100) according to claim 13, Wherein said display (195) isconfigured to communicate With said control unit (190) such that the operation of said plurality of nozzles (152a-g) may be controlled based on user input via said graphical user interface.
    [15] 15. The treatment unit (100) according to claim 13 or 14, Wherein said display (195) isprovided at an end portion of said treatment unit (100).
    [16] 16. A thread consuming unit, comprising a thread consuming device (15) and at least one thread treatment unit (100) according to any one of the preceding claims.
    [17] 17. The thread consuming unit according to claim 16, Wherein said at least one thread treatment unit (100) is arranged at least partly above said thread consuming device (15).
    [18] 18. The thread consuming unit according to claim 16, Wherein said at least one thread treatment unit (100) is arranged on said thread consuming device (15).
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    同族专利:
    公开号 | 公开日
    BR112019002957A2|2019-05-21|
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    CA3033597A1|2018-03-08|
    KR20190039830A|2019-04-15|
    SE539997C2|2018-02-20|
    JP2019529723A|2019-10-17|
    US11142856B2|2021-10-12|
    EP3504370A4|2020-04-22|
    WO2018044222A1|2018-03-08|
    EA201990500A1|2019-09-30|
    AU2017322068A1|2019-04-04|
    US20190194849A1|2019-06-27|
    PH12019500295A1|2019-10-28|
    CL2019000505A1|2019-05-10|
    BR112019002957B1|2020-12-15|
    EP3504370A1|2019-07-03|
    MX2019001961A|2019-08-01|
    KR102340712B1|2021-12-16|
    ZA201901620B|2019-11-27|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1651157A|SE539997C2|2016-08-28|2016-08-28|A treatment unit for in-line treatment of threads|SE1651157A| SE539997C2|2016-08-28|2016-08-28|A treatment unit for in-line treatment of threads|
    CA3033597A| CA3033597A1|2016-08-28|2017-08-25|A treatment unit for in-line treatment of thread|
    EA201990500A| EA201990500A1|2016-08-28|2017-08-25|THREADING MACHINE FOR THREAD THREADING|
    US16/328,963| US11142856B2|2016-08-28|2017-08-25|Treatment unit for in-line treatment of thread|
    CN201780053417.6A| CN109790668A|2016-08-28|2017-08-25|Processing unit for online processing wire rod|
    PCT/SE2017/050859| WO2018044222A1|2016-08-28|2017-08-25|A treatment unit for in-line treatment of thread|
    BR112019002957-5A| BR112019002957B1|2016-08-28|2017-08-25|TREATMENT UNIT AND CONSUMPTION UNIT FOR WIRE-ROW TREATMENT|
    MX2019001961A| MX2019001961A|2016-08-28|2017-08-25|A treatment unit for in-line treatment of thread.|
    JP2019511721A| JP2019529723A|2016-08-28|2017-08-25|Processing unit for inline processing of yarn|
    AU2017322068A| AU2017322068A1|2016-08-28|2017-08-25|A treatment unit for in-line treatment of thread|
    EP17847094.4A| EP3504370A4|2016-08-28|2017-08-25|A treatment unit for in-line treatment of thread|
    KR1020197008993A| KR102340712B1|2016-08-28|2017-08-25|processing unit for inline processing of threads|
    PH12019500295A| PH12019500295A1|2016-08-28|2019-02-12|A treatment unit for in-line treatment of thread|
    CL2019000505A| CL2019000505A1|2016-08-28|2019-02-26|Treatment unit for online thread treatment.|
    ZA201901620A| ZA201901620B|2016-08-28|2019-03-15|A treatment unit for in-line treatment of thread|
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