EP1308548A2 - Machine à coudre et à broder - Google Patents

Machine à coudre et à broder Download PDF

Info

Publication number
EP1308548A2
EP1308548A2 EP02405816A EP02405816A EP1308548A2 EP 1308548 A2 EP1308548 A2 EP 1308548A2 EP 02405816 A EP02405816 A EP 02405816A EP 02405816 A EP02405816 A EP 02405816A EP 1308548 A2 EP1308548 A2 EP 1308548A2
Authority
EP
European Patent Office
Prior art keywords
embroidery
embroidery frame
drive unit
frame
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.)
Granted
Application number
EP02405816A
Other languages
German (de)
English (en)
Other versions
EP1308548A3 (fr
EP1308548B1 (fr
Inventor
Gérard DURVILLE
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.)
Fritz Gegauf AG
Original Assignee
Fritz Gegauf 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 Fritz Gegauf AG filed Critical Fritz Gegauf AG
Publication of EP1308548A2 publication Critical patent/EP1308548A2/fr
Publication of EP1308548A3 publication Critical patent/EP1308548A3/fr
Application granted granted Critical
Publication of EP1308548B1 publication Critical patent/EP1308548B1/fr
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
    • D05B19/00—Program-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
    • D05B19/16—Control of workpiece movement, e.g. modulation of travel of feed dog
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B39/00—Workpiece carriers

Definitions

  • the invention relates to a sewing or embroidery machine according to the preamble of claim 1.
  • Embroidering a sewing material in an embroidery hoop clamped and by a drive unit in the X and Y directions is drivable is known.
  • the drive unit is often part of the forearm; at Household sewing machines become the drive units, too Called embroidery modules, to the sewing machine, i.e. to the Forearm and / or the base plate docked and there kept free of play.
  • the connection between the Embroidery hoop and the drive unit is done by a Embroidery frame holder, which with the drive elements in the Drive unit is connected, and holding and Locking devices on the embroidery frame.
  • switching means e.g. Peaks, curves or bar codes etc.
  • the object of the present invention is therefore to create a sewing or embroidery machine with a drive unit for an embroidery hoop with which drive unit is not only the type and size of the embroidery frame as well as the Docking position on the embroidery hoop, but also the exact actual position of the hoop with respect to the Drive unit and thus the needle position can be determined is.
  • the arrangement of one or more reference points on the Embroidery frames, each in a precisely defined Distance to a reference zero point on the drive unit lie, on the one hand, allows the exact location of the Embroidery frame with respect to the reference zero point on the Determine drive unit and on the other hand also determine whether the hoop is correctly attached to the Embroidery frame holder is connected or determine whether docked an embroidery frame at all on the embroidery frame carrier is.
  • With the knowledge of the exact current situation at Reference zero can also be in the event of a deviation, for example by lost steps of the stepper motors in the drive unit, with the machine control automatically made a correction or the beginning of the Embroidery can be prevented. This enables Embroidery subjects over an area beyond the embroidery area Guide and create area without having to Move the embroidery frame to the attachment and follow-up points the previously embroidered areas are visible.
  • the sewing machine according to FIG. 1 comprises the usual sewing organs, operating elements and other equipment parts, some of which are not described in detail. It consists essentially of the sewing machine housing 1, the free arm 3 and the base plate 5. On the machine housing 1 there is a screen 7 (display), a trackball 9 with an associated actuation key 11 and delete key 13 and a row of keys 15 for the direct selection of unspecified special functions arranged. An opening 17 serves for receiving external storage means, for example program cards for embroidery designs.
  • the main switch 19, the plug connection 21 for the mains connection and the socket 23 for the connection of a foot control are arranged below this.
  • the needle cooperating through the tap hole 25 with a gripper device is designated by 27, while the presser foot holding down the embroidery material, not shown, is designated by 29.
  • the base unit 31 of an embroidery module 33 which can be connected to the sewing machine by mechanical and electrical connecting means (not shown) contains the program-controlled drive means (for example linear motors) for an embroidery frame carrier 35 in an embroidery frame drive unit 36 for driving the latter with the embroidery frame 37 attached thereto in the X direction.
  • the drive means for driving the embroidery frame 37 in the Y direction are accommodated in the embroidery frame carrier 35.
  • the embroidery frame 37 is connected via at least one detachable holding device 39 to the drive means (not visible) arranged in the embroidery frame carrier 35.
  • the structure of the holding device 39 is not explained in detail.
  • Embroidery frame 37 are connected to the embroidery module 33.
  • the rectangular embroidery hoop 37 shown in FIG. 1 only has a holding device 39 on a narrow side on; another is in the supervision according to FIG. 2 longer embroidery frame 37 with two spaced on one Longitudinally arranged holding devices 39 can be seen.
  • Figure 3 shows a section of an even longer one Embroidery frame 37 with three holding devices 39 each Embroidery frame 37 comprises at least one tensioning device 41, with which a sewing material can be clamped.
  • Each holding device 39 includes in the illustrated Examples one or more control cams or peaks 43 and additionally one reference cam or point 44 each. The latter have an exact with respect to the embroidery frame 37 predetermined position. Together with the exactly known one Position of the drive unit 36 can be with the reference cam 44 the actual position of the embroidery frame 37 with the target position compared and - if discrepancies are found - a correction can be made. Can be corrected the position of the embroidery frame 37 when, for example, steps of a stepper motor used as a drive went. A correction to the position of the Embroidery hoop 37 will of course not performed when the reference cam 44 does not detect can be because the embroidery hoop 37 is not or is incompletely docked on the holding device 39.
  • the reference cam 44 thus has several functions ensure proper operation: he determines whether the actual position of the embroidery frame 37 with the TARGET position matches and enables correction. He continues the perfect attachment to the Holding device 39 safely and stops the sewing machine, if one of the parameters is wrong.
  • the control 43 and the assigned one Reference cams 44 are on the embroidery frame support 35 impulsive switching means such as a button 45 or Photoelectric sensor, a proximity sensor or another Element fixedly attached, with an identification the control cam 43 and the reference cam 44 at one Relative movement between the embroidery frame 37 and the Embroidery module 33 or can be scanned when docking.
  • the Number, the location and / or the geometric shape of the Control cams 43 are the basis for the detection of the Embroidery frame position, size and shape as well as the Docking position of the embroidery frame 37.
  • the reference cam 44 serves the exact and perfect positioning of the Embroidery frame 37 with respect to the embroidery module 33
  • the mode of operation is explained in more detail below.
  • the operator / seamstress looks for the embroidery frame 37 suitable for the embroidery patterns to be created, clamps the sewing material in the form of a textile structure therein with the tensioning device 41 and then docks the embroidery frame 37 onto the embroidery module 33.
  • the embroidery module 33 guides the embroidery frame 37 past the impulse button 45 in the Y direction.
  • the latter detects the data of the docked embroidery frame 37 and the docking position on the control cams 43 if the embroidery frame 37 has several docking positions.
  • the exact position of the embroidery frame 37 with respect to the drive unit 36 is ensured by the reference cam 44.
  • the correct attachment is checked. If the attachment between the embroidery frame 37 and the holding device 39 is not correct, the sewing machine is prevented from starting the embroidery process.
  • a correction is made, ie the embroidery frame 37 is initially guided to the correct TARGET position before the embroidery process begins.
  • a precisely defined reference point ie a position on the embroidery module 33 which is exactly defined with respect to the needle 27, serves as reference. The check of the TARGET / ACTUAL position can be repeated periodically during embroidery or each time the reference cam 44 passes the button 45.
  • the identification and adjustment means according to the invention enable a pattern-based embroidery of a sewing material also in an embroidery hoop 37, the embroidery field of which is larger as the working area of the sewing machine.
  • the the Working area of the sewing machine can overlap patterns consequently partially completed and the adjacent areas after adjusting the embroidery frame 37 can be continued seamlessly.
  • An elaborate Division of the embroidery designs into coherent Single samples, as is shown in US Pat. No. 6,237,516 B1 is proposed is not necessary.
  • the first Puncture site of the needle 27 after an embroidery hoop shift is exactly through the machine control calculated. The operator therefore has none Make adjustment, such as that in the US 5,835,133 is proposed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Sewing Machines And Sewing (AREA)
EP02405816A 2001-11-02 2002-09-23 Machine à coudre et à broder Expired - Lifetime EP1308548B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH20132001 2001-11-02
CH20132001 2001-11-02

Publications (3)

Publication Number Publication Date
EP1308548A2 true EP1308548A2 (fr) 2003-05-07
EP1308548A3 EP1308548A3 (fr) 2004-11-24
EP1308548B1 EP1308548B1 (fr) 2006-03-22

Family

ID=4567131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405816A Expired - Lifetime EP1308548B1 (fr) 2001-11-02 2002-09-23 Machine à coudre et à broder

Country Status (4)

Country Link
US (1) US6568337B1 (fr)
EP (1) EP1308548B1 (fr)
AT (1) ATE321163T1 (fr)
DE (1) DE50206136D1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783258A1 (fr) * 2005-11-07 2007-05-09 BERNINA International AG Module de broderie pour une machine à coudre à bras libre

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3815565B2 (ja) * 2003-02-27 2006-08-30 ブラザー工業株式会社 刺繍ミシン
US20070022930A1 (en) * 2003-05-29 2007-02-01 Aisin Seiki Kabushiki Kaisha Embroidering and dyeing system
WO2005056903A1 (fr) * 2003-12-15 2005-06-23 Fritz Gegauf Aktiengesellschaft Procede et dispositif pour commander le mouvement de l'aiguille d'une machine a coudre
EP1739222B1 (fr) * 2005-06-21 2008-04-02 BERNINA International AG Procédé et dispositif de réduction des défauts lors du piquage dans des machines à coudre
JP2007244463A (ja) * 2006-03-14 2007-09-27 Brother Ind Ltd ミシンの布保持枠移送装置
JP4974044B2 (ja) * 2006-03-23 2012-07-11 ブラザー工業株式会社 刺繍縫製可能なミシン
JP2008307159A (ja) * 2007-06-13 2008-12-25 Brother Ind Ltd 刺繍縫製可能なミシン
JP5141299B2 (ja) * 2008-02-28 2013-02-13 ブラザー工業株式会社 ミシン

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035458B2 (ja) 1980-08-02 1985-08-14 アイシン精機株式会社 刺しゆう枠
DE29612102U1 (de) * 1996-07-11 1996-09-12 Fritz Gegauf AG Bernina-Nähmaschinenfabrik, Steckborn, Thurgau Vorrichtung zum automatischen Identifizieren eines Stickrahmens an einer Näh- oder Stickmaschine
DE29614512U1 (de) 1996-08-21 1996-10-02 Fritz Gegauf AG Bernina-Nähmaschinenfabrik, Steckborn, Thurgau Vorrichtung zum lösbaren Befestigen eines Stickrahmens
EP0860533A3 (fr) * 1997-02-25 1999-04-07 G.M. Pfaff Aktiengesellschaft Procédé pour broder des motifs surdimensionnés
JP4239319B2 (ja) * 1999-09-30 2009-03-18 ブラザー工業株式会社 ミシン

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1783258A1 (fr) * 2005-11-07 2007-05-09 BERNINA International AG Module de broderie pour une machine à coudre à bras libre

Also Published As

Publication number Publication date
EP1308548A3 (fr) 2004-11-24
US6568337B1 (en) 2003-05-27
ATE321163T1 (de) 2006-04-15
US20030084831A1 (en) 2003-05-08
EP1308548B1 (fr) 2006-03-22
DE50206136D1 (de) 2006-05-11

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