EP0756031B1 - Fadenleitvorrichtung für Schifflistickmaschine - Google Patents
Fadenleitvorrichtung für Schifflistickmaschine Download PDFInfo
- Publication number
- EP0756031B1 EP0756031B1 EP96810466A EP96810466A EP0756031B1 EP 0756031 B1 EP0756031 B1 EP 0756031B1 EP 96810466 A EP96810466 A EP 96810466A EP 96810466 A EP96810466 A EP 96810466A EP 0756031 B1 EP0756031 B1 EP 0756031B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- thread
- thread guide
- guide
- small
- control organ
- 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
Links
- 210000000056 organ Anatomy 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 239000004020 conductor Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 206010003402 Arthropod sting Diseases 0.000 description 1
- 208000008918 voyeurism Diseases 0.000 description 1
Images
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
- D05C11/08—Thread-tensioning arrangements
- D05C11/10—Guides, e.g. resilient
Definitions
- the invention relates to a thread guide device for a Schifflistickmaschine, with a small and a large Thread guide for the leading from the bobbin to the needle Fore thread, a first control element, which the movement of the large thread guide, and a second control unit, with which the strength of the thread can be adjusted.
- the small and the large have Thread guide in the well-known Schifflistickmaschinen the form of poles. According to the variety of working needles-it can be over 1000 - thus runs a corresponding one Variety of threads across these rods.
- Each thread When threading the Each thread must have needles under the first rod which forms a small thread guide, passed through and over the second Rod, which forms the large thread guide, pulled and in the ear of the needle are inserted. Especially that Loop through the thread under the small thread guide time consuming and requires skillful hands. Training the small thread guide as a rod also has the disadvantage that secure thread guidance is not guaranteed. It exists the danger that the threads of non-working needles tangle with threads of working needles as the rods do not ensure lateral guidance of the threads.
- the usage The usual thread guide also has the major disadvantage that the movement errors of the two thread guides add up. This is a problem especially with long machines. Because of the Torsion of the drive shafts is particularly high The movement of the thread guides does not count over the whole of the tour Area of the machine evenly. The threads are therefore not Tightened equally across the entire length of the machine. Underneath then the embroidery suffers.
- this is achieved by a thread guiding device achieved genre mentioned in that the small Thread guide is stationary and that means are provided which is the movement generated by the second control member overlap the first control generated movement and the transfer large thread guide.
- the thread guide device has the advantage that the small thread guide no longer has to be moved. There thus only the large thread guide is moved, there is no need possible summation of movement errors. This leads to one more even embroidery pattern over the entire length of the machine. Even higher machine speeds are possible without the embroidery image is significantly affected.
- the invention allows a compared to the known machines Production increase without loss of quality. It also comes less to a thread break. There are fewer parts than before necessary, and less mass to move.
- the small thread guide as before as one Train rod. But since the little thread guide no longer must be moved, but is stationary, it can be moved through a Oese are formed. So there is an eyelet for every thread Attachment provided. This has the advantage that when threading the thread can no longer be pulled under a rod got to. The thread can rather on the large thread guide are guided to the needle and threaded, and then the thread is gripped with the fingers and hung on the eyelet can be. This mounting is easy and quick feasible process. The formation of the small thread guide as an eyelet also ensures good thread guidance.
- a lever system for superimposing the from the second control mechanism generated movement to that of the first Control provided movement provided.
- the lever system can consist of two lever parallelograms consist.
- the arrangement is expediently such that the first control element on a first lever parallelogram can act that the second tax body on a second Lever parallelogram can act that the first and that second lever parallelogram have a common lever, and that the second lever parallelogram with the big one Thread conductor is connected.
- Tightening can be done to different degrees, as shown in Figure 2 is shown.
- the arrangement of front thread 11 and Back thread 21 in Fig. 2 corresponds to the arrangement as in Embroidery is achieved with the machine according to Figure 4, wherever the needle 16 on the left side of the panel 20, too Called stick floor.
- the front thread 11 was strongly tightened in FIG. 2a. In the stitch according to FIG. 2b, the front thread 11 and Hind thread 21 equally strong. In the stitch of Figure 2c, however the suit of the rear thread 21 stronger than that of the Front thread 11.
- the large thread guide 15 can in a conventional manner Have the shape of a rod made up of two or more arms 25, which are attached to the shaft 27 is worn.
- the shaft 27 is expediently driven by a Lever mechanism, as shown for example in Figure 5 becomes.
- the shaft 27 could also be driven by a motor as will be described later with reference to FIG. 6 will be represented.
- the drive of the large thread guide 15 serve two driven by the drive shaft 30 Cam 29 and 31.
- the cam 29 provides that Control element for the large thread guide 15 Cam 31 is basically the same curve as it in conventional machines for moving the small Thread conductor 14 is used. So she puts together with an adjusting device 33 represents a control element with which the strength of the thread can be adjusted.
- the Cam 29 acts on a first lever parallelogram I.
- the curve 31 acts the levers 39, 41, 43 on a second lever parallelogram II, which is formed from the levers 37, 45 and 46.
- the lever 46 is attached to the shaft 27.
- Lever parallelograms I and II have a common lever 37, at the pivot 49 of the Lever 43 engages to the one determined by the cam 29 Movement curve G one of the cam disc 31 and the Adjustment device 33 determined movement curve K1, K2 or K3 to overlay.
- the movement curves G1, G2 or G3 for the large thread guide 15 can also be used instead of using mechanical means electronic means are generated.
- a protractor 51 provides a signal representing the position of the drive shaft 30 of the Indicates embroidery machine. This signal controls a first one Signal generator 53 for generating a first one Movement curve signal G.
- the signal of the protractor 51 also controls a second signal generator 55 for generation a second movement curve signal K1, K2 or K3.
- the second The signal generator is connected to an adjusting device 57 connected with which the desired curve K1, K2 or K3 can be chosen.
- the outputs of the signal generators 53, 55 lead to an adder circuit 59 to the two Movement curves, e.g. G and K1 to add.
- the Adding circuit 59 is connected to motor controller 61, which the motor 63 for driving the shaft 27 of the large Thread guide 15 controls.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Description
- Fig. 1a-f
- Stichbildungsvorgang in sechs Phasen bei einer Schifflistickmaschine gemäss dem Stand der Technik,
- Fig. 2
- die drei Grundformen des Stichs im
Zweifadensystem, nämlich,
- a) starker Anzug des Vorderfadens
- b) gleicher Anzug von Vorderfaden und Hinterfaden
- c) schwacher Anzug des Vorderfadens,
- Fig. 3
- die für die verschiedenen Stichbildungen notwendigen Bewegungskurven des kleinen Fadenleiters und die Bewegungskurve des grossen Fadenleiters sowie die erfindungsgemässe Ueberlagerung der Bewegungskurven,
- Fig. 4
- ein Ausführungsbeispiel der erfindungsgemässen Fadenleitvorrichtung,
- Fig. 5
- ein Hebelsystem zur Ueberlagerung von zwei Bewegungen zur Erzielung von Ueberlagerungskurven gemäss Figur 3 und
- Fig. 6
- eine schematische Darstellung einer elektronischen Steuerung für eine Fadenleitvorrichtung mit stationärem kleinem Fadenleiter.
Claims (6)
- Fadenleitvorrichtung für Schifflistickmaschine, mit einem kleinen und einem grossen Fadenleiter (14,15) für den von der Spule (12) zur Nadel führenden Vorderfaden (11), einem ersten Steuerorgan (29), welches der Bewegung des grossen Fadenleiters (15) dient, und einem zweiten Steuerorgan (31), mit welchem die Stärke des Fadenanzugs eingestellt werden kann, dadurch gekennzeichnet, dass der kleine Fadenleiter (14) stationär ist und dass Mittel (18) vorgesehen sind, welche die vom zweiten Steuerorgan (31) erzeugte Bewegung (G) der vom ersten Steuerorgan (29) erzeugten Bewegung (K1,K2,K3...) überlagern und dem grossen Fadenleiter (15) übertragen.
- Fadenleitvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der kleine Fadenleiter (14) durch eine Oese, insbesondere Einhängeöse, gebildet ist.
- Fadenleitvorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass ein Hebelsystem (18) zur Ueberlagerung der vom zweiten Steuerorgan (31) erzeugten Bewegung auf die vom ersten Steuerorgan (29) bewirkten Bewegung vorgesehen ist.
- Fadenleitvorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das erste Steuerorgan (29) auf ein erstes Hebelparallelogramm (I) einwirken kann, dass das zweite Steuerorgan (31) auf ein zweites Hebelparallelogramm (II) einwirken kann, dass das erste und das zweite Hebelparallelogramm (I,II) einen gemeinsamen Hebel (37) aufweisen, und dass das zweite Hebelparallelogramm (II) mit dem grossen Fadenleiter (15) verbunden ist.
- Fadenleitvorrichtung für Schifflistickmaschinen mit einem grossen Fadenleiter (15) für den von der Spule (12) zur Nadel (16) führenden Vorderfaden (11), einem ersten Steuerorgan (29), welches der Bewegung des grossen Fadenleiters (15) dient, einem kleinen Fadenleiter (14), und einem zweiten Steuerorgan (31), mit welchem die Stärke des Fadenzugs eingestellt werden kann, dadurch gekennzeichnet, dass der kleine Fadenleiter (14) stationär ist, dass das erste Steuerorgan (31) ein Signalgenerator (53) zur Erzeugung eines ersten Bewegungskurvensignals (G) ist, dass das zweite Steuerorgan ein Signalgenerator (55) zur Erzeugung einer zweiten Bewegungskurvensignals ist, dass ein Winkelmesser (51) zur Steuerung des Signalgenerators (53,55) entsprechend der Drehstellung der Antriebswelle (30) vorgesehen ist, dass die Ausgänge der Signalgeneratoren (53,55) an eine Addierschaltung (59) angeschlossen sind, um die beiden Bewegungskurvensignale zu addieren, und dass der Ausgang die Addierschaltung (59) an die Motorsteuerung(61) für einen Antriebsmotor (63) für den grossen Fadenleiter (15) angeschlossen ist.
- Fadenleitvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der kleine Fadenleiter (14) durch eine Oese, insbesondere Einhängeöse, gebildet ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH219195 | 1995-07-26 | ||
| CH2191/95 | 1995-07-26 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0756031A2 EP0756031A2 (de) | 1997-01-29 |
| EP0756031A3 EP0756031A3 (de) | 1997-08-20 |
| EP0756031B1 true EP0756031B1 (de) | 1998-07-01 |
Family
ID=4228026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP96810466A Expired - Lifetime EP0756031B1 (de) | 1995-07-26 | 1996-07-15 | Fadenleitvorrichtung für Schifflistickmaschine |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0756031B1 (de) |
| AT (1) | ATE167904T1 (de) |
| DE (1) | DE59600308D1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0896082B1 (de) * | 1997-07-31 | 2000-11-02 | Franz Lässer AG | Fadenleiter, insbesondere stationärer Fadenleiter |
| US6355287B2 (en) | 1998-06-22 | 2002-03-12 | Cryovac, Inc. | Packaged food product having added liquid |
| DE102013001346A1 (de) * | 2013-01-28 | 2014-07-31 | Zoje Europe Gmbh | Stickmaschine mit zumindest einem Doppelsteppstich-Umlaufgreifer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE256936C (de) * | 1910-12-28 | |||
| GB191217717A (en) * | 1912-07-31 | 1913-05-08 | Charles Farmer | Improvements in the Needle Thread Tension Mechanism of Embroidering Machines. |
| DE379373C (de) * | 1921-12-12 | 1923-08-25 | Vogtlaendische Maschinenfabrik | Stickmaschine |
| AT370144B (de) * | 1979-02-20 | 1983-03-10 | August Heinzle | Einrichtung zur zufuehrung und zum nachziehen des fadens an textilmaschinen |
| DE4403365A1 (de) * | 1994-02-04 | 1995-08-10 | Saurer Sticksysteme Ag | Verfahren und Vorrichtung zum Sticken auf einer Schiffchen-Stickmaschine |
-
1996
- 1996-07-15 EP EP96810466A patent/EP0756031B1/de not_active Expired - Lifetime
- 1996-07-15 AT AT96810466T patent/ATE167904T1/de not_active IP Right Cessation
- 1996-07-15 DE DE59600308T patent/DE59600308D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE59600308D1 (de) | 1998-08-06 |
| ATE167904T1 (de) | 1998-07-15 |
| EP0756031A2 (de) | 1997-01-29 |
| EP0756031A3 (de) | 1997-08-20 |
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