EP3365485A1 - Nähanlage - Google Patents
NähanlageInfo
- 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
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 105
- 230000033001 locomotion Effects 0.000 claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 230000001788 irregular Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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
Description
Claims
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 (de) | 2015-10-19 | 2016-10-18 | Nähanlage |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3365485A1 true EP3365485A1 (de) | 2018-08-29 |
EP3365485B1 EP3365485B1 (de) | 2024-01-10 |
EP3365485C0 EP3365485C0 (de) | 2024-01-10 |
Family
ID=57144970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16782234.5A Active EP3365485B1 (de) | 2015-10-19 | 2016-10-18 | Nähanlage |
Country Status (8)
Country | Link |
---|---|
US (1) | US10851483B2 (de) |
EP (1) | EP3365485B1 (de) |
JP (1) | JP6905980B2 (de) |
CA (1) | CA3002269C (de) |
DE (1) | DE102015220332A1 (de) |
ES (1) | ES2971047T3 (de) |
MX (1) | MX2018004758A (de) |
WO (1) | WO2017067900A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018205835A1 (de) | 2018-04-17 | 2019-10-17 | Pfaff Industriesysteme Und Maschinen Gmbh | Nähmaschine |
WO2020106494A1 (en) * | 2018-11-21 | 2020-05-28 | Inteva Products, Llc | Sewing machine |
DE102022203472A1 (de) * | 2022-04-07 | 2023-10-12 | Dürkopp Adler GmbH | Nähmaschine |
Family Cites Families (20)
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 (de) | 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 (de) | 2003-06-26 | 2004-12-29 | Pfaff Industrie Maschinen Ag | Näheinheit zum nähen in beliebiger vorschubrichtung |
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 |
-
2015
- 2015-10-19 DE DE102015220332.8A patent/DE102015220332A1/de active Pending
-
2016
- 2016-10-18 WO PCT/EP2016/074922 patent/WO2017067900A1/de active Application Filing
- 2016-10-18 JP JP2018521304A patent/JP6905980B2/ja active Active
- 2016-10-18 MX MX2018004758A patent/MX2018004758A/es unknown
- 2016-10-18 CA CA3002269A patent/CA3002269C/en active Active
- 2016-10-18 ES ES16782234T patent/ES2971047T3/es active Active
- 2016-10-18 US US15/769,224 patent/US10851483B2/en active Active
- 2016-10-18 EP EP16782234.5A patent/EP3365485B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
US20180313012A1 (en) | 2018-11-01 |
MX2018004758A (es) | 2019-05-16 |
JP2018531119A (ja) | 2018-10-25 |
CA3002269A1 (en) | 2017-04-27 |
DE102015220332A1 (de) | 2017-04-20 |
CA3002269C (en) | 2023-09-05 |
US10851483B2 (en) | 2020-12-01 |
WO2017067900A1 (de) | 2017-04-27 |
JP6905980B2 (ja) | 2021-07-21 |
EP3365485B1 (de) | 2024-01-10 |
EP3365485C0 (de) | 2024-01-10 |
ES2971047T3 (es) | 2024-06-03 |
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