WO2017190862A1 - Procédé d'actionnement d'un dispositif de coupe de fil et de serrage de fil pour la coupe du fil de navette sur une machine à broder de grande taille, et dispositif d'actionnement de l'ensemble de coupe de fil pour la mise en oeuvre de ce procédé - Google Patents

Procédé d'actionnement d'un dispositif de coupe de fil et de serrage de fil pour la coupe du fil de navette sur une machine à broder de grande taille, et dispositif d'actionnement de l'ensemble de coupe de fil pour la mise en oeuvre de ce procédé Download PDF

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Publication number
WO2017190862A1
WO2017190862A1 PCT/EP2017/054000 EP2017054000W WO2017190862A1 WO 2017190862 A1 WO2017190862 A1 WO 2017190862A1 EP 2017054000 W EP2017054000 W EP 2017054000W WO 2017190862 A1 WO2017190862 A1 WO 2017190862A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
cutting
shuttle
clamping
embroidery
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.)
Ceased
Application number
PCT/EP2017/054000
Other languages
German (de)
English (en)
Inventor
Franz Lässer
Hanno Nussbaumer
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
Priority to KR1020187030180A priority Critical patent/KR20190002457A/ko
Priority to CN201780002881.2A priority patent/CN107923096B/zh
Priority to EP17709376.2A priority patent/EP3452653B1/fr
Publication of WO2017190862A1 publication Critical patent/WO2017190862A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/20—Arrangements for cutting the needle or lower threads

Definitions

  • Thread clamping device for cutting the shuttle thread on a large embroidery machine and a device for actuating the thread cutting arrangement for carrying out the method
  • the invention relates to a method for actuating a thread cutting and thread clamping device according to
  • Thread cutting devices for large embroidery machines known, which are assigned to each individual embroidery point and which, controlled by the program, single or one
  • Such a thread cutting device is known, for example, from EP 0 638 682 B1. In the design of such automatic thread cutting devices, the designer is always ahead of the
  • Stickgrund running thread end lie as short as possible over the embroidery base and coming from the shuttle or the reel in the boat long cut end must remain arranged so that an embroidery on the temporarily disengaged embroidery points after a further color change is readily possible again.
  • Pneumatic piston-cylinder unit provided with which an angle lever the lower driver nail in
  • An object of the present invention is to provide a method and a device which make it possible to move the shuttle thread between the shuttle
  • Another task is to cut the thread end between the boat and temporarily hold the embroidery floor until the
  • Stitching hole plate securely clamp the thread end running to the shuttle until it is further embroidered at the respective embroidery point.
  • Thread clamping device safely and time precisely between the embroidery floor with the embroidery and the surface of the taphole plate out and there the two actions, namely the cutting and clamping, made.
  • the severed shuttle thread has only a short piece of thread projecting from the embroidery floor, and the second end, which runs to the boat, is held securely and can therefore continue to do so
  • the structure of the device is also very inexpensive to produce, since for the connection of the thread cutting and thread clamping device, a switching drive for a
  • a single drive makes it possible, for example, at 48 or more points, the thread cutting and
  • Embroidery points simplifies the control of the drive for cutting and clamping and also far less space is required and the area of the individual embroidery points on the Schiffchenseite is therefore less installed.
  • FIG. 1 shows a vertical section through the
  • Figure 2 shows a cross section according to FIG. 1 with
  • Thread cutter assembly in open
  • Thread cutter assembly of the open position in Figure 7a, Figure 7c is a side view of
  • Thread cutter assembly in closed position
  • Figure 7d is a plan view of the
  • FIG. 7e shows a side view in an intermediate position of the thread cutter arrangement
  • Figure 7f is a plan view of the
  • Thread cutter arrangement in one
  • Figure 7g is a perspective detail of the cutting
  • FIG. 8 shows a plan view of the needle hole plate
  • Thread clamping device 33 in the rest position.
  • a driver bar 1 with an upper driver nail 3 and a lower driver nail 5 extending over the entire length of an embroidery machine with a multiplicity of embroidery sites is visible.
  • the two driver nails 3 and 5 are spaced from a tap hole plate 7 with a tap hole 72 and project with the end portions 3 ⁇ and 5 ⁇ in one
  • the lower driver nail 5 arranged there, in the figures can be displaced in the horizontal direction, according to arrow Z, and pulled out of the shuttle 9 (position according to FIG. 2).
  • the boat 11 is then no longer set in motion by the driver bar 1, since the lower
  • Swivel axis B is pivotally supported.
  • the shorter arm 17 of the bell crank 13 is engaged with the end of the piston rod 19 of a piston 23 which is slidable in a cylinder 21.
  • the piston 23 may be replaced by a fluid, e.g.
  • the longer arm 29 of the angle lever 13 is slightly spaced on the right side of a radially projecting finger 31 attached to the lower driver nail 5.
  • Angle lever 13 can after retraction of the
  • Driver nail 5 and lifting the driver bar 1 are pivoted back to the starting position.
  • the boat 11 can not be moved in the shuttle 9 in the sequence despite oscillating movement of the driver bar 1 in the direction of the arrows P by missing engagement of the lower driver nail 5.
  • the boat 11 is stopped.
  • driver bar 1 is shown in a raised position, in which position the angle lever 13 during a pivoting movement in the counterclockwise direction outside the engagement with the finger 31 at the bottom
  • Driver nail 5 is. From this position, after lowering the driver bar 1, the driver nail 5 can also be pushed back into the shuttle track 9. According to the invention, in the lowest position of
  • the connecting element 49 comprises, for example, a semicircular, unilaterally open recess 50 in the connecting rod 35 on its underside and a cylindrical cam 52, which is laterally projecting from the long arm 29 (see also FIG. 5).
  • Device 46 is kept pressed as long as the free end 36 of the connecting rod 35 is not lifted by the device 46.
  • Swivel axis A swung forwards or backwards.
  • Thread clamping device 33 is then out of engagement.
  • a knife lever 63 protrudes upward. The upper end of the knife lever 63 extends into the area between the two driver nails 3 and 5 (in
  • the upper end of the knife lever 63 engages from below into a slot 51 on a first clamping element 45 and a second knife 43 (see Fig. 7) of a cutting and clamping arrangement 75 for the shuttle thread 68.
  • the cutting and clamping arrangement 75 comprises a first knife 41 of a rectangular flat body made of metal, whose rear end 70 is T-shaped and whose front end a
  • Cutting edge 53 has. Adjacent to the first knife 41, a second knife 43 is arranged, whose front end is hook-shaped and on the rear side of the hook-shaped part comprises a cutting edge 53 ⁇ .
  • the second knife 43 projects beyond the rear end 70 of the
  • the second knife 43 is adjoined by a second clamping element 45, the front end of which is likewise hook-shaped and whose rear end, like the second knife 43, comprises a slot 51 on its underside.
  • a first clamping element 47 adjoins, which at its front side (on the right in FIGS. 7) is at right angles to the first clamping element 47
  • the two blades 41, 43 and the two clamping elements 45, 47 rest against each other laterally and are held in a rectangular channel 59 in the floor 48 (see FIG. 6).
  • the two T-shaped end portions of the second knife 43 and the second clamping member 45 are laterally on Stöckli 48 and are pressed by the clamp holder 67 to the Stöckli 48.
  • Clamping elements 47 project beyond the floor in FIG. 6 on the left side and are in engagement with the free end of the knife lever 63.
  • the front hook-shaped ends of the second knife 43 and the second clamping element 45 do not project beyond the floor 48 and those in FIG.
  • leg spring 69 secures the catch also during the subsequent cutting and
  • Knife lever 63 pushes the second knife 43 and the second clamping member 45 to the right (see Fig. 6).
  • the hook-shaped ends of the second knife 43 and the second clamping element 45 now project beyond the stitch-hole plate 7 behind the embroidery bottom 79, which is thereby lifted slightly to the right from the needle-hole plate 7 or preferably previously by a spreader 77 (FIG. 6). from the embroidery bottom 79 is kept spaced from the tap hole plate 7.
  • the gate on which the embroidery bottom is spanned 79 is shifted such that the shuttle thread 68 from the hook 54, formed from the hook-shaped ends of the second
  • Knife 43 and the second clamping element 45 is caught (see Fig. 8). Now, by panning the

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

L'invention concerne un procédé faisant intervenir un dispositif d'actionnement (21, 23) pour un dispositif de coupe de fil et de serrage de fil (33) au niveau d'un poste de brodage d'une machine à broder de grande taille, procédé selon lequel le dispositif d'arrêt d'une navette pour la coupe et le serrage du fil de navette (68) est utilisé. L'invention concerne également un dispositif d'actionnement d'un dispositif de coupe de fil et de serrage de fil (33), dans lequel une pluralité d'organes de coupede fil et de serrage de fil (75) peuvent être actionnés simultanément par un dispositif (46).
PCT/EP2017/054000 2016-05-03 2017-02-22 Procédé d'actionnement d'un dispositif de coupe de fil et de serrage de fil pour la coupe du fil de navette sur une machine à broder de grande taille, et dispositif d'actionnement de l'ensemble de coupe de fil pour la mise en oeuvre de ce procédé Ceased WO2017190862A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020187030180A KR20190002457A (ko) 2016-05-03 2017-02-22 큰 자수 기계에서 셔틀 얀을 절단하기 위해 얀 절단 및 클램핑 장치를 작동시키는 방법 및 상기 방법을 수행하기 위해 얀 절단 장치를 작동시키는 장치
CN201780002881.2A CN107923096B (zh) 2016-05-03 2017-02-22 用于致动切线及夹线装置的方法以及相关装置
EP17709376.2A EP3452653B1 (fr) 2016-05-03 2017-02-22 Procédé d'actionnement d'un dispositif coupe-fil et blocage du fil pour couper le fil de navette d'une grande machine à broder et dispositif d'actionnement du dispositif de coupe pour la mise en oeuvre du procédé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00584/16A CH712431A1 (de) 2016-05-03 2016-05-03 Verfahren zur Betätigung einer Fadenschneid- und Fadenklemmvorrichtung zum Schneiden des Schiffchenfadens an einer Grossstickmaschine sowie eine Vorrichtung zur Durchführung des Verfahrens.
CH00584/16 2016-05-03

Publications (1)

Publication Number Publication Date
WO2017190862A1 true WO2017190862A1 (fr) 2017-11-09

Family

ID=58261629

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/054000 Ceased WO2017190862A1 (fr) 2016-05-03 2017-02-22 Procédé d'actionnement d'un dispositif de coupe de fil et de serrage de fil pour la coupe du fil de navette sur une machine à broder de grande taille, et dispositif d'actionnement de l'ensemble de coupe de fil pour la mise en oeuvre de ce procédé

Country Status (6)

Country Link
EP (1) EP3452653B1 (fr)
KR (1) KR20190002457A (fr)
CN (1) CN107923096B (fr)
CH (1) CH712431A1 (fr)
TW (1) TWI696736B (fr)
WO (1) WO2017190862A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115992420A (zh) * 2023-02-20 2023-04-21 浙江镨美科智能刺绣设备有限公司 一种刺绣机剪线装置及刺绣机剪线方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE226828C (fr) *
DE279660C (fr) *
CH683785A5 (de) * 1993-05-20 1994-05-13 Saurer Sticksysteme Ag Selbstreinigende Fadenklemme.
EP0638682B1 (fr) 1993-08-10 1995-09-20 Franz Lässer AG Machine à broder à navettes avec un dispositif coupe-fil
EP0768418A1 (fr) * 1995-10-16 1997-04-16 Franz Lässer AG Machine à broder, en particulier de type Schiffli, avec un dispositif pour sectionner et pincer le fil de face
EP1055761A1 (fr) 1999-05-28 2000-11-29 Franz Lässer AG Machine à broder à navette avec un attelage de support
EP2330242A1 (fr) * 2009-12-02 2011-06-08 Lässer AG Machine à broder à plusieurs têtes et ensemble pour fil inférieur destiné à cette machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7020068U (de) * 1970-05-29 1970-09-03 Pfaff Ind Masch Vorrichtung an naehmaschinen zum fuehren der fadenkette.
CH532675A (de) * 1971-09-09 1973-01-15 Reich Rudolf Stickmaschine
DE3133333C2 (de) * 1981-08-22 1986-08-14 Aktiengesellschaft Adolph Saurer, Arbon Schiffchenstickmaschine
DE59403642D1 (de) * 1994-02-05 1997-09-11 Saurer Sticksysteme Ag Verfahren zum Ansticken der Nadel- und Schiffchenfäden am Stoff einer Stickmaschine
CN100487180C (zh) * 2003-07-30 2009-05-13 叶连福 多头刺绣机
ITUD20030182A1 (it) * 2003-09-11 2005-03-12 Giannino Landoni Dispositivo per il cambio automatico del filo in un ago in macchine tessili, relativo procedimento e macchina tessile adottante tale dispositivo di cambio filo.
CN101591843B (zh) * 2009-06-19 2011-11-09 杭州经纬电子机械制造股份有限公司 刺绣机自动夹线系统
CH702472A2 (de) * 2009-12-18 2011-06-30 Laesser Ag Mehrnadelkopf-Stickmaschine, Mehrnadelkopf für eine solche, sowie Fadenschneiderelement und Fadenschneider für eine solche.
JP2013027475A (ja) * 2011-07-27 2013-02-07 Brother Ind Ltd 多針ミシン
JP2013128551A (ja) * 2011-12-20 2013-07-04 Tokai Ind Sewing Mach Co Ltd ミシン

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE226828C (fr) *
DE279660C (fr) *
CH683785A5 (de) * 1993-05-20 1994-05-13 Saurer Sticksysteme Ag Selbstreinigende Fadenklemme.
EP0638682B1 (fr) 1993-08-10 1995-09-20 Franz Lässer AG Machine à broder à navettes avec un dispositif coupe-fil
EP0768418A1 (fr) * 1995-10-16 1997-04-16 Franz Lässer AG Machine à broder, en particulier de type Schiffli, avec un dispositif pour sectionner et pincer le fil de face
EP1055761A1 (fr) 1999-05-28 2000-11-29 Franz Lässer AG Machine à broder à navette avec un attelage de support
EP1055761B1 (fr) 1999-05-28 2002-01-16 Franz Lässer AG Machine à broder à navette avec un attelage de support
EP2330242A1 (fr) * 2009-12-02 2011-06-08 Lässer AG Machine à broder à plusieurs têtes et ensemble pour fil inférieur destiné à cette machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115992420A (zh) * 2023-02-20 2023-04-21 浙江镨美科智能刺绣设备有限公司 一种刺绣机剪线装置及刺绣机剪线方法

Also Published As

Publication number Publication date
CN107923096A (zh) 2018-04-17
CH712431A1 (de) 2017-11-15
CN107923096B (zh) 2020-09-11
EP3452653A1 (fr) 2019-03-13
KR20190002457A (ko) 2019-01-08
TWI696736B (zh) 2020-06-21
TW201739981A (zh) 2017-11-16
EP3452653B1 (fr) 2020-01-01

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