EP1321555B1 - CNC-gesteuerte Knopfloch-Nähmaschine - Google Patents

CNC-gesteuerte Knopfloch-Nähmaschine Download PDF

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Publication number
EP1321555B1
EP1321555B1 EP02025366A EP02025366A EP1321555B1 EP 1321555 B1 EP1321555 B1 EP 1321555B1 EP 02025366 A EP02025366 A EP 02025366A EP 02025366 A EP02025366 A EP 02025366A EP 1321555 B1 EP1321555 B1 EP 1321555B1
Authority
EP
European Patent Office
Prior art keywords
work piece
drive
sewing machine
spread
buttonhole sewing
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.)
Expired - Lifetime
Application number
EP02025366A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1321555A3 (de
EP1321555A2 (de
Inventor
Thomas Nöltge
Heinz Fransing
Andreas Oberndörfer
Theodor Janocha
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.)
Duerkopp Adler AG
Original Assignee
Duerkopp Adler 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
Priority claimed from DE10216808A external-priority patent/DE10216808C2/de
Application filed by Duerkopp Adler AG filed Critical Duerkopp Adler AG
Publication of EP1321555A2 publication Critical patent/EP1321555A2/de
Publication of EP1321555A3 publication Critical patent/EP1321555A3/de
Application granted granted Critical
Publication of EP1321555B1 publication Critical patent/EP1321555B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/06—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes
    • D05B3/08—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for sewing buttonholes for buttonholes with eyelet ends
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet

Definitions

  • the invention relates to a CNC-controlled buttonhole sewing machine according to the preamble of claim 1.
  • the amount of spreader travel depends on various sewing parameters such as the nature of the fabric, ie weave density, material and the like, the type of yarns to be sewn, the yarn tension values, the needle thickness, if necessary, the processing of a gimp yarn and other parameters.
  • the invention has the object of providing a CNC-controlled buttonhole sewing machine of the generic type so that the adjustment of the spreading path can be adjusted by the operator without the use of tools with very little time according to the current Nählini.
  • the spread path can be preset in a very comfortable manner by inputting into the control unit, so that the values of the spread path corresponding to the current sewing conditions can be set in a simple manner.
  • These include the quality of the sewing material, the parameters of the buttonhole seam, thread tension values of the threads processed during sewing, etc.
  • This increases the quality of a buttonhole by very exact adjustment of the spread end position after moving the Nähgutklammern from the Spreizauss Position reached by the spreading path in the spreading end position.
  • Spreader-starting position is the distance of the Nähgutklammern understood in their rest position in which they are close to each other.
  • a buttonhole sewing machine is C-shaped, i. it has an upper arm 1, a lower, cabinet-like base plate 2 and a connecting both, approximately vertical stand 3.
  • an arm shaft 4 is mounted in the usual manner, which is driven by a 4 indicated only in Fig. Drive motor 4a. From the arm shaft 4, the drive of a vertically displaceable needle bar 5 with a needle 6 and a vibratory drive are derived for this purpose in a conventional manner.
  • a fabric clamp 17a or 17b is mounted, each one on the respective part support plate 15a, 15b mounted partial support plate 18a, 18b, which is associated with a respective clamping plate 19a and 19b.
  • the clamping plates 19a, 19b are mounted on bearing levers 20, which are each mounted by means of a pivot bearing 21 on the associated part-support plate 15a and 15b.
  • the Nähgutklammern 17a and 17b are relative to the respective partial support plate 15a, 15b - apart from the pivoting about the pivot bearing 21 - stationary.
  • the Nähgutklammern 17a, 17b are pivotable by means of drive levers 22 which are actuated by a pneumatically actuated clamping drive 22a.
  • the respective partial support plate 18a, 18b and the respective clamping plate 19a and 19b have partial openings 23a, 23b, which complement each other to an opening which surrounds a buttonhole seam 24 to be produced at a small distance.
  • the sewing machine is provided with a control unit 32, via which the x-drive 8, the y-drive 9, the shift drive 12, the drives 22a for the Nähgutklammern 17a, 17b, the drive motor 4a of the arm shaft 4 and the cutting drive 31 are controlled.
  • the control unit 32 has a storage part 33. Furthermore, it is associated with an operating unit 34 with an input keyboard 35 and a display 36.
  • the memory part 33 stores the programs and data relating to the buttonhole seam 24 to be produced and the spread-out position. Also stored are spreader paths associated with the nature and shape of the buttonhole seam 24 and the quality of the fabric.
  • the xy table 7 is brought into a zero position according to the data stored in the memory part 33 in the usual way by means of the stepping motors 8, 9 in which the edges 26a, 26b of the part support plates 15a, 15b abut each other in the plane 25 and the center plane 25 also receives the needle 6 in its vertical middle position.
  • Such zero position adjustments are common in sewing control technology and therefore need no further explanation.
  • the operating unit 34 the operator selects a certain type of buttonhole 28 with buttonhole seam 24. In addition, it calls a corresponding control program to which the substance data and the like are assigned.
  • the xy-table 7 is moved by a distance d / 2 in the opposite direction, so that the two support plates 18a, 18b are again mirror-symmetrical to the central plane 25 in its spread-end position.
  • the part-openings 23a, 23b are in turn mirror-symmetrical with respect to the center plane 25.
  • the stapled and now spread material 38 is located under the needle 6 in the position exactly defined for carrying out the sewing operation.
  • the clamping plate 19b is pulled out in its initial position and dashed in its spread position by the method of the support plate 10 to the spreading path d but before the compensation by the back-process of the xy-table 7 by half a spread path d / 2 shown.
  • FIG. 8 diagrammatically shows a further embodiment in which two support plates 15'a, 15'b on spherical-linear guides 11 'are displaceably arranged in the x-direction on an x-y table 7'.
  • a spindle 40 with opposite threads 41a, 41b, which engage in spindle nuts 42a, 42b.
  • the spindle nuts 42a, 42b are connected to the support plates 15'a, 15'b.
  • the support plates 15'a, 15'b in the x-direction toward or away from each other, in each case mirror-symmetrically to the center plane 25.
  • two support plates are displaceably arranged on an xy table 7, of which only the support plate 15 "b is indicated
  • the design and mounting correspond to that according to the first embodiment
  • This embodiment differs from the previous ones described in that at least on the relative to the xy table 7 sliding support plate 15 "b attached fabric clamp 17" b is actuated by a clamping drive 43 which is attached to the support plate 15 "b.
  • This is the double-arm bearing lever 20 ", which carries the clamping plate 19b, mounted by means of a pivot bearing 44 in a drive and bearing housing 45 which is secured to the underside of the support plate 15" b by means of screws 46. Both parts are connected at their contact surface using a liquid sealant, not shown, compressed air tight together.
  • adjusting screw 59 is arranged, by means of which can be adjusted by which way the clamping plate 19b is raised.
EP02025366A 2001-12-21 2002-11-14 CNC-gesteuerte Knopfloch-Nähmaschine Expired - Lifetime EP1321555B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10163229 2001-12-21
DE10163229 2001-12-21
DE10216808 2002-04-16
DE10216808A DE10216808C2 (de) 2001-12-21 2002-04-16 CNC-gesteuerte Knopfloch-Nähmaschine

Publications (3)

Publication Number Publication Date
EP1321555A2 EP1321555A2 (de) 2003-06-25
EP1321555A3 EP1321555A3 (de) 2005-02-09
EP1321555B1 true EP1321555B1 (de) 2006-03-29

Family

ID=26010831

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02025366A Expired - Lifetime EP1321555B1 (de) 2001-12-21 2002-11-14 CNC-gesteuerte Knopfloch-Nähmaschine

Country Status (6)

Country Link
US (1) US6722299B2 (ja)
EP (1) EP1321555B1 (ja)
JP (1) JP2003190681A (ja)
CN (1) CN100344817C (ja)
AT (1) ATE321907T1 (ja)
DE (1) DE50206214D1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10216810A1 (de) * 2002-04-16 2003-11-06 Duerkopp Adler Ag Knopfloch-Nähmaschine
DE10304821B3 (de) * 2003-02-06 2004-02-26 Dürkopp Adler AG Knopfloch-Nähmaschine
DE10342433B4 (de) * 2003-09-13 2005-07-14 Dürkopp Adler AG Knopfloch-Nähmaschine mit einem Anschlag für ein Nähgutteil
DE102005021768A1 (de) 2005-05-11 2006-11-16 Dürkopp Adler AG Knopfloch-Nähmaschine
JP4899792B2 (ja) * 2006-10-30 2012-03-21 ブラザー工業株式会社 鳩目穴かがりミシン及び、鳩目穴かがりミシンプログラム
JP2010057722A (ja) * 2008-09-04 2010-03-18 Juki Corp 穴かがりミシンの布開き装置
DE102011005936A1 (de) 2011-03-23 2012-09-27 Dürkopp Adler AG Augenknopfloch-Nähmaschine sowie Verfahren zum Nähen einer einem Gimpfaden aufweisenden Augenknopfloch-Naht
DE102012205049A1 (de) 2012-03-29 2013-10-02 Dürkopp Adler AG Faden-Schneid-Baugruppe für eine Schnürloch-Nähmaschine
CN105002661A (zh) * 2015-07-21 2015-10-28 吴江新劲纺织有限公司 一种用于锁眼机的定位装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE457750C (de) * 1925-03-19 1928-03-24 Singer Mfg Co Spreizvorrichtung fuer die Werkstueckklemme von Knopflochnaehmaschinen
DE2938064C2 (de) * 1979-09-20 1983-12-08 Kochs Adler Ag, 4800 Bielefeld Nähautomat mit Steuerung durch einen Rechner zur Erzeugung einer Bahnkurve
DE19807771C1 (de) * 1998-02-24 1999-04-15 Duerkopp Adler Ag Augenknopfloch-Nähmaschine
DE19828788C1 (de) * 1998-06-27 1999-09-30 Duerkopp Adler Ag Augenknopfloch-Nähmaschine
JP4286964B2 (ja) 1999-05-06 2009-07-01 Ｊｕｋｉ株式会社 ミシンの制御装置
JP4409049B2 (ja) * 2000-05-26 2010-02-03 Ｊｕｋｉ株式会社 穴かがりミシンの布開き装置

Also Published As

Publication number Publication date
DE50206214D1 (de) 2006-05-18
CN1427108A (zh) 2003-07-02
US6722299B2 (en) 2004-04-20
JP2003190681A (ja) 2003-07-08
CN100344817C (zh) 2007-10-24
EP1321555A3 (de) 2005-02-09
EP1321555A2 (de) 2003-06-25
ATE321907T1 (de) 2006-04-15
US20030131770A1 (en) 2003-07-17

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