EP3365485A1 - Installation de couture - Google Patents

Installation de couture

Info

Publication number
EP3365485A1
EP3365485A1 EP16782234.5A EP16782234A EP3365485A1 EP 3365485 A1 EP3365485 A1 EP 3365485A1 EP 16782234 A EP16782234 A EP 16782234A EP 3365485 A1 EP3365485 A1 EP 3365485A1
Authority
EP
European Patent Office
Prior art keywords
needle bar
gripper
sewing
ring member
longitudinal axis
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
EP16782234.5A
Other languages
German (de)
English (en)
Other versions
EP3365485C0 (fr
EP3365485B1 (fr
Inventor
Harald Kallenbach
Robert Keilmann
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.)
Pfaff Industriesysteme und Maschinen GmbH
Original Assignee
Pfaff Industriesysteme und Maschinen GmbH
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 Pfaff Industriesysteme und Maschinen GmbH filed Critical Pfaff Industriesysteme und Maschinen GmbH
Publication of EP3365485A1 publication Critical patent/EP3365485A1/fr
Application granted granted Critical
Publication of EP3365485C0 publication Critical patent/EP3365485C0/fr
Publication of EP3365485B1 publication Critical patent/EP3365485B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B57/00—Loop takers, e.g. loopers
    • D05B57/30—Driving-gear for loop takers
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/12—Presser-foot attachment
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/14—Needle-bar drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/30—Details

Definitions

  • the invention relates to a sewing machine for sewing multi-dimensional seams lying in space.
  • a sewing unit is known by public prior use of the sewing unit RS 570 of the applicant.
  • the sewing head can then be designed with a freely accessible stitch formation area, wherein due to the pivotable or rotatable design of the needle bar upper part and the gripper lower part, possibly interfering other components of the sewing unit can be pivoted out of a seam area. Even topographically demanding sewing tasks can be solved in this way.
  • the sewing unit can be next to one sewing machine with the sewing head still have a robot for multi-dimensional positioning of the sewing machine in the room. When swiveling the needle bar upper part and the gripper lower part in the sewing head, the motors are not swiveled.
  • a toothed belt drive can be used to swivel the needle bar upper part and / or the gripper lower part in the sewing head.
  • the pivot drive for pivoting the needle bar upper part and the gripper lower part in the sewing head can be designed independently by the sewing drive for driving the stitch forming tools.
  • the sewing machine may be a 2-needle sewing machine. It may be a chain stitch sewing machine, in particular a double chain stitch sewing machine.
  • a sewing machine of the sewing unit can be a column sewing machine.
  • the seams to be produced can not be three-dimensional in space.
  • Drive components for driving the up and down movement of the needle bar, in particular the motor components for driving the up and down movement of the needle bar can be designed as not co-rotating with the needle bar upper part components. These motor components can be arranged fixed to the housing relative to the sewing head upper part and / or to the sewing head lower part.
  • a rotatability of the needle bar upper part and the gripper lower part according to claim 2 allows a particularly flexible use of the sewing unit.
  • the upper part of the needle bar and the lower part of the gripper can be freely rotatably mounted in the sewing head, ie more than 360 ° in the sewing head.
  • Tongue / groove connections with a ring member enable a reliable connection of the not mitgeschwenkten engine components to the pivotable or rotatable Components, ie the needle bar upper part and the gripper lower part.
  • At least one eccentric according to claim 6 enables a safe generation of the respective drive movement.
  • the drive of the Hubverlagerungsschi the presser foot on the one hand and a transport movement of the needle bar on the other hand can be derived in particular via respective eccentric from one and the same drive shaft.
  • a sliding shaft according to claim 7 allows a safe drive of the gripper movement.
  • the sliding axis of the sliding shaft can coincide with the pivot axis of the gripper base.
  • a gripper drive according to claim 8 ensures that the at least one gripper in particular follows a needle transport movement of the associated needle.
  • one of the movement components is generated in each case with the aid of a sliding shaft according to claim 7, two sliding shafts for driving the gripper along the two movement components can be used.
  • One of the sliding shafts can be designed as a hollow shaft in which the other of the two sliding shafts runs.
  • Sewing machine in particular components of a Nähkopf- lower part, in which a gripper base is rotatably mounted with a gripper driven synchronously with the needle bar upper part; a turn internal details disclosure view of the sewing head base from the direction V in Fig. 1;
  • FIG. 6 shows, in a representation similar to FIG. 4, components of an articulated connection of the gripper lower part, via which a two-dimensional gripper movement is driven, from an approximately opposite viewing direction to FIG. 4; and in a representation similar to FIGS. 4 and 6, the articulated connection of the gripper lower part, as seen from a viewing direction, which is rotated by approximately 90 ° to those of FIGS. 4 and 6.
  • a sewing unit 1 is used for sewing multi-dimensional and in particular not just three-dimensional lying in the seams.
  • An application example of the sewing unit 1 is the application of decorative seam applications in the interior of vehicles, for example on instrument panels, door paneling or armauilagen.
  • the sewing machine 1 includes a sewing machine 2 shown in detail in FIG. 1, which is supported by an arm 3 of a robot 4, shown only schematically, with which the sewing machine 2 can be oriented arbitrarily in five or six degrees of freedom in space.
  • a Cartesian xyz coordinate system is indicated in the figures.
  • the x-axis, along which the seam is produced in a starting position of stitching tools to be described in more detail below, is perpendicular to the drawing plane of FIG. 1 and runs out of it.
  • the y-direction extends in Fig. 1 to the right and the z-direction in Fig. 1 upwards.
  • the sewing machine 2 has a housing 5 with a C-shaped basic structure with an upper housing part 6, a lower housing part 7 and a two connecting these parts to the C-shape stand 8.
  • the upper housing part 6 and the lower housing part 7 extend along the y-direction.
  • the stator 8 runs along the z-direction.
  • the sewing machine 2 has two sewing needles 9, 10 (see Fig. 2), which are supported by a common needle bar 1 1 (see Fig. 3).
  • the needle bar 1 1 is mounted in a needle bar upper part 12 along its longitudinal axis 13 driven up and down driven.
  • the needle bar upper part 12 is in turn driven in a sewing head upper part 14 about the needle bar longitudinal axis 13 pivotally, namely rotatable by 360 °, stored.
  • the needle bar longitudinal axis 13 extends parallel to the z-axis.
  • the sewing head upper part 14 forms an end-side section of the housing upper part 6.
  • the gripper lower part 17 forms a column of the sewing machine 2.
  • the gripper lower part 17 is in turn driven so as to be pivotable about the needle bar longitudinal axis 13 in synchronism with the needle bar upper part 12 in a sewing head lower part 18.
  • the sewing head lower part 18 represents an end-side section of the housing lower part 7.
  • the sewing drive motor 19 drives a sewing drive lower shaft 22 via an angle gear 20 mounted thereunder and a toothed belt 21, which extends parallel to the y axis in the housing lower part 7 as far as the sewing head lower part 18.
  • two eccentrics 23, 24 are driven, which are housed in the sewing head lower part 18 and are in driving connection with each other via a toothed belt connection for synchronous drive.
  • the eccentric 23 is connected to a sliding inner shaft 25, which extends parallel to the z-axis through the sewing head lower part 18 to a hinge connection 26 (see Fig. 4 to 7), via which the gripper 15, 16 with the rotatable gripper lower part 17 are connected.
  • a sliding lever 29 is fixed to the sliding inner shaft 25.
  • a pivot lever assembly 30 which performs a z-swing motion (see FIG. Double arrow 31 in Fig. 7) of the sliding lever 29 in a rotational swinging motion (see double arrow 32 in Fig. 7) about a parallel to the y-axis gripper main pivot axis 33 transmits.
  • a gripper carrier 34 Rotationally connected to the pivot lever assembly 30 is a gripper carrier 34 on which the two grippers 15, 16 are mounted.
  • the second eccentric 24 in the sewing head lower part 18 is connected via a corresponding ring driver 27 and a sliding eyelet 28 with a sliding outer shaft 35.
  • the second eccentric 24 transmits the rotational movement of the lower shaft 22 in a z-swinging movement of the sliding outer shaft 35.
  • the sliding outer shaft 35 surrounds the sliding inner shaft 25 and is rotatably mounted with this in the sewing head lower part 18.
  • On the ring driver 27 facing away, the gripper end is in turn a sliding lever 36 is fixed to the sliding outer shaft 35, to which a pivot lever 37 is articulated. The latter is hinged to a fixedly connected to the gripper carrier 34 main body 38 of the hinge connection 26.
  • the pivot lever 37 transmits a z-swing motion (see.
  • the rotational movement of the upper shaft 43 is transmitted in a rotational movement of a needle transport / presser foot drive shaft 47, which is arranged in front of the harmonic 43 in FIGS. 1 and 2 and covers them in sections.
  • the needle feed / presser foot drive shaft 47 drives a needle feed eccentric 48 and a presser foot eccentric 49.
  • a sliding lever 51 of the needle transport eccentric 48 oscillating in the z direction (cf., double arrow 50 in FIG. 2) is connected to a ring member 54 via a fork-shaped articulated lever 52 and a groove / spring connection 53.
  • a ring axis of symmetry of the ring member 54 coincides with the needle bar longitudinal axis 13.
  • Two opposing springs of the fork of the articulated lever 52 engage in a circumferential groove of the ring member 54 a.
  • the ring member 54 is rotatably connected to the needle bar upper part 12. Axially, the ring member 54 is correspondingly - Lo chend the drive via the hinge lever 52 to a main body of the needle bar upper part 12 movable (see double arrow 55 in Fig. 3).
  • a needle transport lever 57 (see Fig. 3) is hinged via a hinge connection 56, which is connected via a further hinge connection 58 with the main body of the needle bar upper part 12.
  • a pin 59 of the needle transport lever 57 is connected to a guide 60 of the needle bar 1 1, which also represents a guide for a presser foot rod 61 of a presser foot 62 at the same time.
  • the oscillating movement 55 of the ring member 54 thus provides a needle-conveying oscillating movement (see double arrow 63 in Fig. 3) of the sewing needles 9, 10 together with the presser foot 62 in the xz plane.
  • the presser foot eccentric 49 interacts with a further fork-shaped articulated lever 66 via a further slide lever 64, which oscillates driven in the z-direction (cf., double arrow 65 in FIG. 2), which likewise has a tongue and groove connection 53 with a ring member 67 the needle bar upper part 12 cooperates.
  • a ring axis of symmetry of the ring member 67 coincides with the needle bar longitudinal axis 13.
  • a z-oscillating movement of the ring member 67 is effected (compare double arrow 68 in FIG.
  • the ring member 67 is in thrust connection with the presser foot rod 61.
  • a pivoting or rotary drive takes place on the one hand of the needle bar upper part 12 and on the other hand of the gripper bottom part 17 Needle bar longitudinal axis 13.
  • This drive is accomplished by a rotary motor 69, which via a toothed belt 70 drives a rotary drive shaft 71 which extends parallel to the z-axis in the stator 8 between the upper housing part 6 and the lower housing part 7.
  • the upper gear 72 drives via a running in the upper housing part 6 toothed belt 74 rotatably connected to the main body of the needle bar upper part 12 gear 75 at.
  • the lower gear 73 drives a toothed belt 76, which extends in a rotationally fixed manner to a base body of the gripper lower part 17 via a toothed belt 76 running in the lower housing part 7.
  • the gripper lower part 17 in the sewing head lower part 18 are synchronized with each other.
  • the sewing machine 2 via a central controller 78, which is shown schematically in FIG. 1, and in signal communication with the drive components of the sewing unit 1 in a manner not shown, by appropriate control of the robot 4 in position.
  • the stitch forming tools 9, 10, 15 and 16 follow the predetermined seam course.
  • the needle bar upper part 12 and synchronously thereto the gripper lower part 17 are pivoted synchronously to the needle bar longitudinal axis 13 relative to the housing 5. In this way, hard to reach seam locations can be reached.

Landscapes

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

Abstract

L'invention concerne une installation de couture (1) permettant de réaliser des coutures dans plusieurs dimensions de l'espace, l'installation présentant une tête à coudre. Cette tête à coudre présente une partie supérieure pour barre à aiguille (12), dans laquelle une barre à aiguille (11) est montée de manière à être entraînée de haut en bas le long de son axe longitudinal (13). Au moins une aiguille à coudre (9, 10), utilisée comme outil de formation de point, est retenue sur la barre à aiguille (11). La partie supérieure pour barre à aiguille (12) est montée pivotante dans une partie supérieure (14) de la tête à coudre de manière à être entraînée dans l'axe longitudinal (13) de la barre à aiguille. Au moins un crochet utilisé comme outil de formation de point entraîné de manière synchrone avec l'aiguille à coudre (9, 10) est monté sur une partie inférieure pour crochet (17) de la tête à coudre. La partie inférieure pour crochet (17) est montée pivotante dans une partie inférieure (18) de la tête à coudre de façon à pouvoir tourner autour de l'axe longitudinal (13) de la barre à aiguille de manière synchrone avec la partie supérieure pour barre à aiguille (12). Des composants moteurs (19, 69) permettant d'entraîner le mouvement de haut en bas de la barre à aiguille (11), de faire pivoter la partie supérieure pour barre à aiguille (12), d'entraîner le crochet de manière synchrone avec la barre à aiguille (11) et de faire pivoter la partie inférieure pour crochet (17) sont agencés à l'extérieur de la partie supérieure pour barre à aiguille (12) et à l'extérieur de la partie inférieure pour crochet (17). On obtient ainsi une installation de couture permettant de coudre même des pièces de topographie irrégulière.
EP16782234.5A 2015-10-19 2016-10-18 Installation de couture Active EP3365485B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015220332.8A DE102015220332A1 (de) 2015-10-19 2015-10-19 Nähanlage
PCT/EP2016/074922 WO2017067900A1 (fr) 2015-10-19 2016-10-18 Installation de couture

Publications (3)

Publication Number Publication Date
EP3365485A1 true EP3365485A1 (fr) 2018-08-29
EP3365485C0 EP3365485C0 (fr) 2024-01-10
EP3365485B1 EP3365485B1 (fr) 2024-01-10

Family

ID=57144970

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16782234.5A Active EP3365485B1 (fr) 2015-10-19 2016-10-18 Installation de couture

Country Status (8)

Country Link
US (1) US10851483B2 (fr)
EP (1) EP3365485B1 (fr)
JP (1) JP6905980B2 (fr)
CA (1) CA3002269C (fr)
DE (1) DE102015220332A1 (fr)
ES (1) ES2971047T3 (fr)
MX (1) MX2018004758A (fr)
WO (1) WO2017067900A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018205835A1 (de) * 2018-04-17 2019-10-17 Pfaff Industriesysteme Und Maschinen Gmbh Nähmaschine
WO2020106494A1 (fr) * 2018-11-21 2020-05-28 Inteva Products, Llc Machine à coudre
DE102022203472A1 (de) * 2022-04-07 2023-10-12 Dürkopp Adler GmbH Nähmaschine

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3596619A (en) * 1966-04-12 1971-08-03 Ragnar William Winberg A lock stitch sewing machine having crescent-shaped bobbin
JPS52132244U (fr) 1976-03-31 1977-10-07
JPS5891379U (ja) 1981-12-15 1983-06-21 株式会社ジユ−キ 球面対偶を備えた連結部材
DE3625881C2 (de) * 1986-07-31 1995-02-02 Duerkopp Adler Ag Nähautomat mit einem Nähkopf mit Drehgehäuse
DE3811897A1 (de) * 1988-04-09 1989-10-26 Pfaff Ind Masch Naehmaschine mit schwenkbarer stichbildeeinheit
JPH0260687A (ja) * 1988-08-26 1990-03-01 Agency Of Ind Science & Technol ミシン
JP2762698B2 (ja) * 1990-05-22 1998-06-04 ブラザー工業株式会社 鳩目穴かがりミシン
JPH06126679A (ja) * 1991-01-11 1994-05-10 Yaskawa Electric Corp 縫製作業ロボット
JP3025356U (ja) * 1995-11-30 1996-06-11 有限会社クボタ特殊ミシン商会 湾曲厚物素材用ミシン
JP2000308784A (ja) * 1999-04-28 2000-11-07 Juki Corp サイクルミシン
US7789028B2 (en) * 2002-03-06 2010-09-07 L&P Property Management Company Chain-stitch quilting with separate needle and looper drive
WO2004113604A1 (fr) 2003-06-26 2004-12-29 Pfaff Industrie Maschinen Ag Unite de couture permettant de coudre selon une direction d'avancement quelconque
CH696339A5 (de) 2003-08-08 2007-04-30 Gegauf Fritz Ag Näh- oder Stickmaschine.
JP5241449B2 (ja) * 2008-11-27 2013-07-17 Ｊｕｋｉ株式会社 鳩目ボタン穴かがりミシン
DE102011052521B4 (de) * 2011-08-09 2023-02-23 Chee Siang Industrial Co., Ltd. Säulennähmaschine
JP5859248B2 (ja) * 2011-08-31 2016-02-10 Juki株式会社 二本針ミシン
DE102012206208A1 (de) 2012-04-16 2013-10-17 Dürkopp Adler AG Nähmaschine
DE102012207257B4 (de) 2012-05-02 2014-01-16 Minerva Boskovice A.S. Nähmaschine
US9255352B2 (en) * 2013-07-31 2016-02-09 Inteva Products, Llc Apparatus for stitching vehicle interior components
JP6552247B2 (ja) * 2015-04-01 2019-07-31 蛇の目ミシン工業株式会社 ミシン

Also Published As

Publication number Publication date
JP6905980B2 (ja) 2021-07-21
US20180313012A1 (en) 2018-11-01
ES2971047T3 (es) 2024-06-03
US10851483B2 (en) 2020-12-01
WO2017067900A1 (fr) 2017-04-27
EP3365485C0 (fr) 2024-01-10
CA3002269C (fr) 2023-09-05
DE102015220332A1 (de) 2017-04-20
JP2018531119A (ja) 2018-10-25
MX2018004758A (es) 2019-05-16
EP3365485B1 (fr) 2024-01-10
CA3002269A1 (fr) 2017-04-27

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