EP2573245B1 - Stickmaschine mit Stoffspannvorrichtung - Google Patents

Stickmaschine mit Stoffspannvorrichtung Download PDF

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Publication number
EP2573245B1
EP2573245B1 EP12184783.4A EP12184783A EP2573245B1 EP 2573245 B1 EP2573245 B1 EP 2573245B1 EP 12184783 A EP12184783 A EP 12184783A EP 2573245 B1 EP2573245 B1 EP 2573245B1
Authority
EP
European Patent Office
Prior art keywords
fabric
longitudinal part
embroidery machine
longitudinal
spatial direction
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.)
Not-in-force
Application number
EP12184783.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2573245A1 (de
Inventor
Franz Lässer
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.)
Laesser AG
Original Assignee
Laesser AG
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 Laesser AG filed Critical Laesser AG
Publication of EP2573245A1 publication Critical patent/EP2573245A1/de
Application granted granted Critical
Publication of EP2573245B1 publication Critical patent/EP2573245B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines
    • D05C9/02—Appliances for holding or feeding the base fabric in embroidering machines in machines with vertical needles
    • D05C9/04—Work holders, e.g. frames
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C9/00—Appliances for holding or feeding the base fabric in embroidering machines

Definitions

  • the invention relates to an embroidery machine with a special fabric tensioning device.
  • the fabric For industrial embroidery machines, the fabric must be stretched before embroidering in order to be embroidered.
  • Large embroidery machines usually have two fabric shafts, from which the fabric is unrolled during the stretching or on which the fabric is rolled up. The necessary tension of the material is achieved in such machines by counter rotating the pulp waves (see, for example EP 0 950 746 or EP 0148127 ).
  • Other methods of tensioning the fabric are also known.
  • an embroidery machine is described in which the distance between two clamping strips is increased by means of a toggle lever and thus the material fastened to the clamping strips is tensioned.
  • the US 2001 / 0037755A1 discloses a small sewing embroidery machine. It has a carrier which can be moved by means of a drive in two spatial directions. On the support two opposing, only manually movable arms are attached, which hold the fabric. The arms are attached on one side, so no high and constant tension can be maintained. Since only the carrier and thus the arms are only connected via the drive with the embroidery machine and thus are slightly movable or remain, no high forces can be derived.
  • the first longitudinal part in order to change the distance between the first and the second longitudinal part (and thus for tensioning the material), can be fixed to the embroidery machine and immobile in the locked state, preferably relative to the embroidery machine and / or relative to the ground.
  • the first longitudinal part (releasably) is connected to the embroidery machine, a movement of the first longitudinal part is prevented relative to the embroidery machine in the first spatial direction and expediently again after releasing the connection again possible.
  • the second longitudinal part is movable relative to the first longitudinal part and relative to the embroidery machine in the first spatial direction. More generally, one of the two longitudinal parts is advantageously movable independently of the other longitudinal part in the first spatial direction.
  • a further embodiment of the embroidery machine is characterized in that the fabric tensioning device has a first and a second side part, wherein the first and the second side part are arranged opposite one another, have fabric holders and preferably extend from the second longitudinal part to the first longitudinal part. Furthermore, it is advantageous if the side parts are firmly connected to the second longitudinal part and / or they are detachably connectable to the first longitudinal part.
  • the first and the second side part are movable together with the second longitudinal part relative to the embroidery machine (in the first spatial direction), preferably while the first longitudinal part is connected to the embroidery machine or fixed thereto.
  • the second longitudinal part and the first and second side part can be firmly connected to each other.
  • the first and / or second longitudinal part is preferably at least 0.5 or 1.0 meters and / or at most 15 or 10 meters long.
  • the first and / or second side part is preferably at least 0.3 or 0.6 meters and / or at most 2.0 or 1.6 meters long.
  • the longitudinal parts are preferably aligned (substantially) parallel to each other. This is also true for the side panels. Conveniently, the longitudinal parts and the side parts in (for the common movement during embroidery operation) interconnected state (essentially) form a rectangle or a square.
  • the fabric tensioning device may comprise a frame or a gate, the frame or gate being formed of the longitudinal parts and (if provided) of the side parts.
  • the invention is particularly suitable for multi-head embroidery machines with a frame. However, it also appears advantageous in connection with large embroidery machines with two fabric shafts. In this case, the two longitudinal parts each have a fabric shaft.
  • the fabric waves form the fabric holders described. Accordingly, the one fabric wave is movable relative to the other fabric wave, respectively, whose distance is variable.
  • the fabric holders are used to attach the fabric to the longitudinal parts or to the side panels.
  • the fabric holders on the first and on the second side part are clamping strips.
  • the fabric holders on the first and on the second longitudinal part are preferably either likewise clamping strips or else fabric rolls or fabric shafts for winding up the fabric.
  • the rollers do not necessarily have to be rotatable in opposite directions, since the tensioning of the material is achieved by means of a change in distance, as described above.
  • the mentioned terminal strips expediently each have a support extending along the side parts for the material and a plurality of clamping elements.
  • the clamping elements and the support can then absorb the substance between them, wherein it is technically advantageous if the clamping elements engage around the support and so can cooperate with this clamping. Due to the interaction of the clamping elements and the support is a movement of the material transverse to the longitudinal parts or to the Side parts prevented.
  • the terminal strips may have the form of profiles, for example. Their length is preferably 200-600 mm and they are conveniently made of aluminum.
  • the two longitudinal parts for embroidering the fabric or during the embroidering operation are movable together relative to the embroidery machine in the first spatial direction and preferably also transversely thereto in a second spatial direction.
  • the position and / or orientation of the longitudinal parts relative to each other is fixed or remains unchanged.
  • the two spatial directions are expediently (substantially) aligned at right angles to each other. For many types of machines, it is also useful if the two spatial directions are (essentially) in a horizontal or a vertical plane.
  • first and the second longitudinal part during the embroidery process guide means may be provided, which extend in the first and / or second spatial direction.
  • a drive for the common movement of the two longitudinal parts in the first spatial direction during the embroidering of the fabric, wherein in the locked state of the first longitudinal part (ie when the first longitudinal part is connected to the embroidery machine), the second longitudinal part preferably by means of the same drive in the first Direction of space is movable. Consequently, the drive is able either to move both longitudinal parts together in the first spatial direction or to move the second longitudinal part in the first spatial direction without simultaneously moving the first longitudinal part.
  • the second longitudinal part may alternatively be movable by means of another or further drive in the first spatial direction.
  • a drive for the movement in is preferably provided the first spatial direction and another drive provided for the movement in the second spatial direction.
  • the first and the second longitudinal part are expediently releasably connectable to each other, so that their distance on the one hand (in dissolved connection) is variable, but on the other hand (in the connected state of the longitudinal parts) is also fixable.
  • the fabric tensioning device has a guide means on which the first longitudinal part (relative to the second longitudinal part) is displaceably mounted in the first spatial direction.
  • the guide means is expediently firmly connected to the second longitudinal part. Accordingly, said guide means is movable relative to the embroidery machine in the first spatial direction.
  • the guide means is a rod or strip on which the first longitudinal part is displaceably mounted.
  • a first fastening means for detachably connecting the first longitudinal part to the guide means is provided.
  • the fastening means can be attached to the first longitudinal part.
  • a second fastening means for detachably connecting the first longitudinal part to the embroidery machine is provided for the purpose of fixing the first longitudinal part to the embroidery machine as described above. Expediently, a movement of the first longitudinal part relative to the embroidery machine is possible again only after the release of the second fastening means.
  • each first longitudinal part 2, 3 or more first and / or second fastening means are provided. It has proved to be advantageous if in each case a first and / or second fastening means are provided on (or in the region of) the two ends of the first longitudinal part. Furthermore, it is expedient if the first fastening means along the first longitudinal part at a distance (from each other) of 1.5 to 3 meters, in particular from 2 to 2.5 meters are mounted. The same preferably also applies to the second fastening means.
  • first and the second fastening means are expediently designed to come into contact with the first fastening means.
  • the first fastening means is expediently a clamp, which is pressed in a first position against the guide means.
  • the pressing can be done by spring means or pneumatically or hydraulically.
  • the clamp is held in a (first) position by the pull exerted by the fabric in which it is pressed against the guide means or in a position which causes jamming with the guide means.
  • the clamp is designed so that the contact pressure depends on the force exerted by the substance on the first longitudinal part of force and is greater, the greater the force exerted by the substance. As a result, a self-locking is achieved.
  • the clamp is preferably transferred by the contact with the second fastening means in a second position in which the clamp is released from the guide means or at least the above-described contact pressure (compared to the first position) is reduced, whereby a movement of the first longitudinal part relative to the second longitudinal part along the guide means in the first spatial direction is made possible.
  • the second fastening means serves to connect the first longitudinal part to the embroidery machine.
  • the second fastening means is a bolt or pin displaceably attached to the embroidery machine.
  • the pin can, for example, interact positively with this clamp and thus establish a connection between the embroidery machine and the first longitudinal part.
  • the clamp has one or more plates.
  • the plate has an opening through which the guide means passes.
  • a spring means is provided, which exerts a force on the plate, which leads to the inclination thereof and thus causes the edges of the plate to come into contact with the guide means.
  • longitudinal part and “side part” were chosen only for conceptual delimitation and do not say anything about their relative length. Preferably, however, a longitudinal part is actually longer than a side part.
  • the distance of the first side part from the second side part is variable.
  • the disclosed in connection with the longitudinal parts and their change in distance characteristics (fastener, drive, etc.) are also disclosed in connection with the side panels as preferred features, as far as is technically feasible. This applies to both the embroidery machine and the method for operating the embroidery machine.
  • first longitudinal part”, second longitudinal part”, “first spatial direction”, etc. are to be replaced by “first side part”, “second side part”, “second spatial direction”, etc.
  • an embroidery machine is disclosed as a further preferred embodiment, which is characterized in that for changing the distance between the first and the second side part on the one hand, the first side part of the embroidery machine detectable (or connectable to the embroidery machine) and immobile in the locked state, preferably relative to the embroidery machine and / or relative to the ground and on the other hand in the locked state of the first side part, the second side part (Preferably by means of a drive) in the second spatial direction is movable. Furthermore, it is advantageous if the two longitudinal parts and the two side parts for embroidering the fabric are movable together relative to the embroidery machine in the second spatial direction and preferably also transversely thereto in the first spatial direction.
  • a drive is expediently provided, wherein in the determined state of the first side part, the second side part is preferably movable by means of the same drive in the second spatial direction.
  • the second side part may alternatively be movable by means of another or further drive in the second spatial direction.
  • attachable and "removable” it is preferably meant to be a detachable connection, i. the use of fasteners designed to be repeatedly loosened and reattached, preferably also during normal operation of the device.
  • a first part is movable relative to a second part
  • a general relative motion is disclosed, i. not only the movement of the first part relative to the second part, but also the movement of the second part relative to the first part is disclosed.
  • the invention also includes a method of operating an embroidery machine having a fabric tensioning device for tensioning and holding a fabric to be embroidered, wherein the fabric tensioning device comprises first and second fabrics second longitudinal part, which are arranged opposite to each other and having fabric holders.
  • the steps of the method preferably include placing the fabric on the longitudinal members and securing the fabric to the fabric supports.
  • the fabric is biased prior to fastening, wherein the biasing force is preferably at least 20 or 40 percent and / or at most 80 or 60 percent of the tension after the actual tensioning operation (by changing the distance between the longitudinal members).
  • the joining of the first longitudinal part with the embroidery machine is provided, so that a movement of the first longitudinal part is prevented relative to the embroidery machine in the first spatial direction.
  • the connection between the first and the second longitudinal part is released, so that a movement of the second longitudinal part relative to the first longitudinal part in the first spatial direction is made possible.
  • the subsequent movement of the second longitudinal part relative to the first longitudinal part in the first spatial direction of the distance between the longitudinal parts is increased and so stretched the fabric.
  • the first and second elongate members are rejoined, whereby their spacing is fixed, and the connection between the first longitudinal member and the embroidery machine is released.
  • a common movement of the longitudinal parts relative to the embroidery machine in the first spatial direction and preferably also transversely thereto in a second spatial direction is accomplished by means of the same drive, while the first longitudinal part is connected to the embroidery machine, and on the other hand, with the drive, the common movement of the first and the second longitudinal part relative to the embroidery machine the first spatial direction accomplished during the embroidery of the fabric.
  • the method may further comprise as method steps the use of one or more of the mentioned preferred features of the device according to the invention (or the functions made possible by these features). Accordingly, the device according to the invention can comprise means which can carry out one or more of the method steps mentioned in connection with the method.
  • Fig.1 and Fig. 2 show an embroidery machine 11.
  • the embroidery machine 11 is a multi-head embroidery machine, a machine type in which the inventive fabric clamping concept can be implemented particularly well.
  • the embroidery machine 11 has a fabric tensioning device 21, with a first and a second longitudinal part 23 and 25 (not shown) and a first and a second side part 27 and 29.
  • the shown horizontal alignment of the fabric tensioning device 21 and the longitudinal parts 23, 25 and side parts 27 and 29 corresponds to a preferred embodiment variant.
  • the concept is however Of course, also in the vertical or in other angular positions implementable. Due to the fixed embroidery heads, it is necessary to move the fabric 19 relative to the embroidery heads during the embroidering operation.
  • the longitudinal parts 23, 25 and side parts 27, 29 are designed for this purpose relative to the embroidery machine 11 or relative to the embroidery heads together in a first and a second spatial direction 61 and 72 movable.
  • the spatial directions 61 and 72 are oriented horizontally and straight in accordance with the orientation of the material tensioning device 21. Furthermore, they are (substantially) at right angles to each other, which in the example shown also corresponds to the arrangement of the longitudinal parts 23 and 25 relative to the side parts 27 and 29. In addition to this preferred orientation of the spatial directions 61 and 72, however, many others are possible.
  • a separate drive is provided in each case (see. Figure 4 ). Fabric 19 is placed on fabric jig 21 prior to embroidering.
  • the fabric 19 can be unrolled and pulled over the fabric tensioning device 21. If both sides of the embroidery machine 11 each positioned a fabric roll, the fabric 19 can be biased by rotating the fabric rolls in opposite directions of rotation, before the fabric 19 is finally attached to the longitudinal parts 23 and 25 and the side panels 27 and 29.
  • Fig. 3a-d show the process when tensioning the substance 19 by means of schematic diagrams. Shown are a first longitudinal part 23 and a second longitudinal part 25 of a fabric tensioning device. Both longitudinal parts 23 and 25 have fabric holders 31, which in the present example are clamping strips, each with a fabric support 33 and a plurality of clamping elements 35.
  • the fabric support 33 is in the form of a strip while the clamping elements 35 are (essentially) C-shaped profiles that can embrace the fabric support 33, as for example in Fig. 3b is shown.
  • the fabric 19 Prior to securing the fabric 19 to the fabric supports 31, the fabric 19 may be biased become.
  • the connection between the longitudinal parts 23 and 25 is formed by a rack 39 which is fixedly connected to the second longitudinal part 25.
  • the connection of the rack 39 with the first longitudinal part 23 is releasable.
  • the rack 39 has a guide means 37 or is connected to such.
  • the guide means 37 allows (after loosening the fastening means 41) the movement of the first longitudinal part 23 relative to the second longitudinal part 25 along the guide means 37 and thus in the first spatial direction 61.
  • the detachable connection between the first longitudinal part 23 and the guide means 37 via a (First) fastening means 41 are produced, here in the form of two plates 43, which each have an opening 46 for the passage of the guide means 37.
  • the guide means 37 is received between the edges of the opening 46 by clamping.
  • the plates 43 are held on one side by brackets 47, which, however, allow rotation or pivoting of the plates 43.
  • the brackets 47 are grooves in which said sides of the plates 43 are received, allowing rotation about axes of rotation of the plates 43 (or parallel thereto) and tilting of the plates 43, respectively is.
  • the plates 43 are tilted in opposite directions, which is accomplished by connected to the plates 43 spring elements 45.
  • the spring force thus acts on the plates 43 and leads to an inclination and thus to a contact between the plates 43 and the guide means 37. This contact in turn results in a clamping, the strength of which depends on the force applied by the tensioned material 19 the first longitudinal part 25 is exerted; thus creates a self-locking.
  • the bolt 53 also has the function of fixing the first longitudinal part 23 to the embroidery machine so that movement of the first longitudinal part 23 relative to the embroidery machine in the first spatial direction 61 is prevented.
  • the contact of the bolt 53 with the plates 43 simultaneously leads to a solution of the connection between the first longitudinal part 23 and the guide means 37 and to a (releasable) positive connection between the embroidery machine and the first longitudinal part 23.
  • the tensioning of the material 19 connected to the fabric material 19 is now carried out by the first longitudinal part 23 is moved in the first spatial direction 61 via the bolt 53.
  • the bolt 53 is extended, wherein he presses the plates 43 apart and thus solves the connection of the first longitudinal part 23 to the guide means 37 and at the same time fixes the position of the first longitudinal part 23 relative to the embroidery machine.
  • the second longitudinal part 25 is moved away from the first longitudinal part 23 in the first spatial direction. This is done by means of a drive which is connected via a gear 38 in operative connection with the rack 39. The distance between the first and the second longitudinal part 23 and 25 is increased until the desired fabric tension is reached. Subsequently, the bolt 53 is moved back, whereby the contact with the plates 43 dissolves and this the guide means 37th again clamped between them.
  • the shown drive 55 which is formed by a compressed air cylinder, and the bolt 53 are combined as a second fastening means 51.
  • the Fig. 3a to 3d set the configuration of the fabric tensioning device during the application of the fabric in the order shown ( Fig. 3a ), the release of the connection between the longitudinal parts 23 and 25 ( Fig. 3b ), the tensioning of the substance ( Fig. 3c ) and embroidery ( Fig. 3d ).
  • Fig. 4 shows the cloth tensioning device 21 including the undercarriage. Shown are the first and the second longitudinal part 23 and 25, the two side parts 27 and 29, the associated fabric holders in the form of terminal strips with clamping elements 35 (per longitudinal part or side part is only one clamping element respectively), the drive 55 for the bolt of (second) fastening means, each having a drive 63 and 73 for the movement of the longitudinal parts 23, 25 or side parts 27, 29 in the first and second spatial directions 61 and 72 and shafts 65 and 75 for the transmission of torque to the racks 39 and 77, which are displaceably mounted in guides 69 and 79.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
EP12184783.4A 2011-09-21 2012-09-18 Stickmaschine mit Stoffspannvorrichtung Not-in-force EP2573245B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01564/11A CH705553A1 (de) 2011-09-21 2011-09-21 Stickmaschine mit Stoffspannvorrichtung.

Publications (2)

Publication Number Publication Date
EP2573245A1 EP2573245A1 (de) 2013-03-27
EP2573245B1 true EP2573245B1 (de) 2014-04-02

Family

ID=46829672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12184783.4A Not-in-force EP2573245B1 (de) 2011-09-21 2012-09-18 Stickmaschine mit Stoffspannvorrichtung

Country Status (5)

Country Link
EP (1) EP2573245B1 (zh)
KR (1) KR20130031803A (zh)
CN (1) CN103015078B (zh)
CH (1) CH705553A1 (zh)
TW (1) TWI582288B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015011819B4 (de) * 2015-09-09 2020-02-13 Saurer Ag Schiffchenstickmaschine mit Stickgatter
TWM550227U (zh) * 2016-02-23 2017-10-11 耐克創新有限合夥公司 製造工具
CN107012627A (zh) * 2017-04-05 2017-08-04 浙江宏泰新材料有限公司 一种布匹预应力拉伸装置
CN106988043A (zh) * 2017-04-17 2017-07-28 贵州绣之魂民族服饰有限公司 一种面积可调式手工苗绣专用辅助工具
CN111118768B (zh) * 2020-02-07 2021-03-02 殷航 一种具有织物拉紧功能的刺绣机
CN111206352B (zh) * 2020-02-07 2020-12-08 涡阳县欣芯服饰有限公司 一种具有织物拉紧功能的刺绣机的工作方法

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FR592141A (fr) * 1925-01-26 1925-07-28 Wolf Et Dupeyron Ets Cadre universel pour broderie entièrement démontable
DE7318662U (de) 1973-05-18 1973-08-16 Maschinenfabrik Zangs C Ag Schnellspannrahmen fuer mehrkopf- stickmaschinen
EP0148127B1 (de) 1983-12-21 1987-07-01 Perfekta Maschinenbau Ferd. Kleger AG Gatter für eine Grossstickmaschine
JPS63139585A (ja) * 1986-12-01 1988-06-11 プリンスミシン株式会社 布団等のミシン装置
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KR100419398B1 (ko) * 2001-05-18 2004-02-19 이점길 자수기의 원단보정장치
JP2004194905A (ja) * 2002-12-18 2004-07-15 Aisin Seiki Co Ltd 刺繍機
KR100397867B1 (en) * 2002-12-31 2003-09-13 Humantex Co Ltd Continuous embroidery frame for embroidery or quilting machine
ITMI20031284A1 (it) * 2003-06-24 2004-12-25 Cesare Pederzini Macchina per la produzione di tessuti a telaio decorati mediante l'esecuzione di ricami o mediante l'applicazione di elementi decorativi del tipo paillettes, perline, cordonetti, fettucce o simili.
JP2006255037A (ja) * 2005-03-15 2006-09-28 Barudan Co Ltd ミシンの縫製枠駆動装置
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JP5479724B2 (ja) * 2008-12-19 2014-04-23 株式会社バルダン ミシン及び縫製方法
JP5628183B2 (ja) * 2009-09-17 2014-11-19 エヌエスディ株式会社 ミシン用縫製枠駆動装置

Also Published As

Publication number Publication date
KR20130031803A (ko) 2013-03-29
TWI582288B (zh) 2017-05-11
TW201329310A (zh) 2013-07-16
EP2573245A1 (de) 2013-03-27
CN103015078A (zh) 2013-04-03
CH705553A1 (de) 2013-03-28
CN103015078B (zh) 2016-07-06

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