EP1630274B1 - Transfer needle for a knitting machine - Google Patents
Transfer needle for a knitting machine Download PDFInfo
- Publication number
- EP1630274B1 EP1630274B1 EP04028071A EP04028071A EP1630274B1 EP 1630274 B1 EP1630274 B1 EP 1630274B1 EP 04028071 A EP04028071 A EP 04028071A EP 04028071 A EP04028071 A EP 04028071A EP 1630274 B1 EP1630274 B1 EP 1630274B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- needle
- transfer
- groove
- spring
- mesh
- 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.)
- Active
Links
- 238000009940 knitting Methods 0.000 title claims description 4
- 239000000725 suspension Substances 0.000 description 14
- 210000000481 breast Anatomy 0.000 description 13
- 238000000926 separation method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 210000000038 chest Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
- D04B35/02—Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
- D04B35/04—Latch needles
Definitions
- the invention relates to a transfer needle for a knitting machine, wherein the transfer needle has a needle breast and a transfer spring, in particular Kastenum vonfeder, with a spring chest.
- Such a Um exchangeadel is for example by the DE 31 45 708 A1 known.
- this clearance is realized by cap springs, preferably by Kastenum von aggrn, wherein one end of the Kastenum von aggr is firmly connected to the needle body of the transfer needle.
- the US 4,646,542 describes a latch needle with a separate, lying next to the needle in the needle channel capstan, which is displaceable between an inactive position and a Um yogaposition in the channel. A mesh division is not possible with this combination of needle and cap spring.
- the Applicant has set itself the task of being able to make a mesh division using a transfer needle with a needle tongue and a trained as Kastenum von cognitive capping spring.
- a transfer needle with the features of claim 1.
- the spring breast of the Kastenum von yogafeder in the Um yogaposition is congruent with the needle breast and covered in the mesh separation position part of the needle tongue when it is in the open position.
- the longitudinally displaceable Kastenum von yoga (transfer needle) from its Um psychologyposition In Position are brought to the mesh parts.
- the transfer needle is driven out into position to the mesh parts, wherein the mesh to be split opens the needle tongue and comes to rest against the spring breast of the box suspension spring.
- the stitch can not slip behind the needle of the transfer needle.
- the further transfer needle take-over needle is then expelled into its entry position into the loop to be divided.
- the storage and guidance of the box suspension spring can be formed by at least one groove of the transfer needle extending in the longitudinal direction of the transfer needle.
- a first formed on one longitudinal side groove is provided, which continues in a formed on the other longitudinal side of the second groove, which in turn continues in a formed on the first longitudinal side of the third groove, wherein the needle body between the end of the first groove and the Beginning of the second groove and between the end of the second groove and the beginning of the third groove in each case has an opening, and wherein a correspondingly formed Kastenum cognitivefeder mounted in the grooves and passed through the apertures.
- the length of the openings determines the maximum displacement of the box suspension spring.
- the height fixation learns the Kastenum vonfeder by the first two longitudinal grooves.
- the lateral fixation of the Kastenum vonfeder done at its end by a bent Kastenum vonfeder Symposium Foundation, which is arranged in the third groove.
- the movement of the Kastenum von chest between their Um von foundation and their mesh sharing position can be easily done over a foot of the Kastenum von yogafeder.
- the foot can be moved using a knit lock.
- a transfer needle 1 has a displaceable in the longitudinal direction of its needle body 11 box suspension spring 3 .
- the box suspension spring 3 can be brought at least into the following positions: first in the transfer position UN and secondly in the mesh separation position MT. Furthermore, positions are still possible in which the spring breast 35 is behind the needle breast 12 .
- Fig. 1a shows the transfer needle 1 in the view in which can be looked at a nose 31 of the box suspension spring 3.
- the box suspension spring 3 is in a retracted position, in which its spring breast 35 is congruent with a needle breast 12 of the transfer needle 1. This is the wrap position UN when transferring a loop from the transfer needle to the transfer needle.
- the needle breast 12, a needle neck 13, a needle hook 14 and a needle tongue 15 largely correspond to a Um contemplatadel with rigid Kastenum von yogafeder, as in the prior art.
- the needle body 11 is along its longitudinal side, on which the nose 31 of the longitudinally displaceable Kastenum suitfeder 3 is provided with grooves 16 and 16 ' , which are designed in their width and depth so that they provide a guide for the longitudinally displaceable Kastenum cognitivefeder 3 form.
- a groove 17 is formed, the depth of which corresponds at least to the thickness of the box suspension spring 3. Its height is slightly greater than the height of the Kastenum cognitivefeder 3.
- a groove 19 extends into the needle neck 13. Its underside is at the same height as the bottom of the groove 16. Its height is slightly greater than the width of the nose 31.
- the lateral fixation of the Kastenum rehabilitationfeder 3 is given by their cranked Kastenum cognitivefeder Society 34 is guided in the groove 17, and their Kastenum cognitivefeder Societye 32 and 33 in the grooves 16 and 16 'are guided.
- the movement of the transfer needle 1 is initiated via a butt 10 .
- the longitudinal movement of the Kastenum vonfeder 3 in the needle body 11 is initiated by her foot 36 .
- Fig. 1b protrudes a Kröpfungsstelle 37 of Kastenum therapeuticfeder Schemes 32 through the opening 18.
- a Kröpfungsstelle 38 protrudes through the opening 18 '.
- Characterized the Kastenum concerningfeder Scheme 34 is located on the opposite longitudinal side of the Kastenum vone 32 and 33, whereby a lateral guidance of the Kastenum vonsky muscle 3 is realized on the needle body 11.
- a box-shaped widening 39 of the box suspension spring 3 engages with the tip of the nose 31 in the groove 19th
- Fig. 1c shows the transfer needle 1 accordingly Fig. 1a ).
- the Kastenum vonfeder 3 has been moved by an application of the foot 36 in the direction of an arrow 50 from its Um yogaposition UN in their mesh separation position MT.
- the spring breast 35 of the box covering spring 3 covers a region of the needle tongue 15 located in the reserve position and thus in the open position.
- a stitch can not slide behind the needle tongue 15.
- Fig. 2a) to 2f show method steps of a mesh division with a needle according to the invention.
- the illustration is on the transfer needle 1, which is referred to as transfer needle, a participating in the stitching second transfer needle 1 'of the opposite needle bed, which is referred to as takeover needle, a dividing, carried by the transfer needle 1 mesh 6 of the knitted fabric 61 and the central axis 100 of the knitting machine reduced.
- Fig. 2a shows a representation in which the transfer needle 1 and the take-over needle 1 'are in their basic position.
- the stitch 6 of the knitted fabric 61 is located in the needle hook 14 of the transfer needle 1.
- the longitudinally displaceable box suspension spring 3 'of the take-up needle 1' remains in a retracted position.
- the longitudinally displaceable Kastenum von plausible relation 3 of the transfer needle 1 is brought in the direction of arrow 60 in its advanced mesh separation position MT. It remains in the mesh separation position MT throughout the process of meshing.
- the transfer needle 1 is driven in the direction of an arrow 70 in its position to the mesh parts.
- the loop 6 slides from the needle hook 14 on the opening needle tab 15 until it comes to rest against the spring breast 35 of the box suspension spring 3.
- the mesh 6 can not slide behind the needle tongue 15.
- the take-up needle 1 'begins a shoot-out movement in the direction of an arrow 80 into its entry position into the loop 6.
- the transfer needle 1 ' is moved further in the direction of the arrow 80 to its final position of stitch transfer. It slides with her needle hook 14 ' in the expansion 39 of the Kastenum vonbericht 3, and thus by the widened mesh. 6
- the transfer needle 1 is retracted in the direction of an arrow 75 .
- the stitch 6 slides back from the needle tongue 15 in the direction of the needle hook 14 of the transfer needle.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Description
Die Erfindung betrifft eine Umhängenadel für eine Strickmaschine, wobei die Umhängenadel eine Nadelbrust und eine Umhängefeder, insbesondere Kastenumhängefeder, mit einer Federbrust aufweist.The invention relates to a transfer needle for a knitting machine, wherein the transfer needle has a needle breast and a transfer spring, in particular Kastenumhängefeder, with a spring chest.
Eine derartige Umhängenadel ist beispielsweise durch die
Für alle Verfahren zum Umhängen einer Masche von Nadel zu Nadel werden Umhängenadeln benötigt, bei denen sich an der Übergabeposition der zu übergebenden Masche ein Freiraum befindet, durch welchen der Haken der Übernahmenadel hindurch gleiten kann, um die Masche von der Übergabenadel zu übernehmen.For all methods of transferring a stitch from needle to needle, needling needles are required in which there is a free space at the transfer position of the stitch to be transferred, through which the hook of the take-up needle can slide to take the stitch from the transfer needle.
Gemäß der bekannten Lehre wird dieser Freiraum durch Umhängefedern realisiert, vorzugsweise durch Kastenumhängefedern, wobei das eine Ende der Kastenumhängefeder mit dem Nadelkörper der Umhängenadel fest verbunden ist.According to the known teaching this clearance is realized by cap springs, preferably by Kastenumhängefedern, wherein one end of the Kastenumhängefeder is firmly connected to the needle body of the transfer needle.
Für das Umhängen einer Masche von einer Umhängenadel auf eine andere Umhängenadel ist eine Umhängenadel gemäß der Lehre der
In der
Die
Die Anmelderin hat sich die Aufgabe gestellt, eine Maschenteilung mithilfe einer Umhängenadel mit einer Nadelzunge und mit einer als Kastenumhängefeder ausgebildeten Umhängefeder vornehmen zu können.The Applicant has set itself the task of being able to make a mesh division using a transfer needle with a needle tongue and a trained as Kastenumhängefeder capping spring.
Diese Aufgabe wird durch eine Umhängenadel mit den Merkmalen des Anspruchs 1 gelöst. Vorzugsweise ist die Federbrust der Kastenumhängefeder in der Umhängeposition deckungsgleich mit der Nadelbrust und überdeckt in der Maschenteilungsposition einen Teil der Nadelzunge, wenn sich diese in Öffnungsstellung befindet. Zur Teilung einer Masche kann die in Längsrichtung verschiebbare Kastenumhängefeder der einen Umhängenadel (Übergabenadel) aus ihrer Umhängeposition In eine Position zum Maschenteilen gebracht werden. Die Übergabenadel wird in ihre Position zum Maschenteilen ausgetrieben, wobei die zu teilende Masche die Nadelzunge öffnet und an der Federbrust der Kastenumhängefeder zur Anlage kommt. Die Masche kann nicht hinter die Nadelzunge der Übergabenadel gleiten. Die weitere Umhängenadel (Übernahmenadel) wird anschließend in ihre Eintrittsposition in die zu teilende Masche ausgetrieben. Dabei gleitet ihr Haken durch eine Aufweitung der Kastenumhängefeder und somit auch durch die zu teilende Masche. Beide Nadeln werden zurückgezogen, wobei der Maschenschenkel, der auf der Nadelzunge der Übergabenadel liegt, von dort zurück in den Haken gleitet, und die Übernahmenadel den anderen Maschenschenkel in ihrem Haken trägt. Die Kastenumhängefeder wird in ihre Umhängeposition zurückgezogen. Somit kann eine Masche mithilfe der erfindungsgemäßen Umhängenadel auf einfache Weise geteilt werden.This object is achieved by a transfer needle with the features of
Die Lagerung und Führung der Kastenumhängefeder kann durch mindestens eine in Längsrichtung der Umhängenadel verlaufende Nut der Umhängenadel ausgebildet sein. Bevorzugt ist eine erste auf der einen Längsseite ausgebildete Nut vorgesehen, welche sich in einer auf der anderen Längsseite ausgebildeten zweiten Nut fortsetzt, welche sich wiederum in einer auf der ersten Längsseite ausgebildeten dritten Nut fortsetzt, wobei der Nadelkörper zwischen dem Ende der ersten Nut und dem Anfang der zweiten Nut sowie zwischen dem Ende der zweiten Nut und dem Anfang der dritten Nut jeweils einen Durchbruch aufweist, und wobei eine entsprechend ausgebildete Kastenumhängefeder in den Nuten gelagert und durch die Durchbrüche hindurchgeführt ist. Die Länge der Durchbrüche bestimmt den maximalen Verschiebeweg der Kastenumhängefeder. Die Höhenfixierung erfährt die Kastenumhängefeder durch die ersten beiden Längsnuten. Die seitliche Fixierung der Kastenumhängefeder geschieht an ihrem Ende durch einen abgekröpften Kastenumhängefederbereich, welcher in der dritten Nut angeordnet ist.The storage and guidance of the box suspension spring can be formed by at least one groove of the transfer needle extending in the longitudinal direction of the transfer needle. Preferably, a first formed on one longitudinal side groove is provided, which continues in a formed on the other longitudinal side of the second groove, which in turn continues in a formed on the first longitudinal side of the third groove, wherein the needle body between the end of the first groove and the Beginning of the second groove and between the end of the second groove and the beginning of the third groove in each case has an opening, and wherein a correspondingly formed Kastenumhängefeder mounted in the grooves and passed through the apertures. The length of the openings determines the maximum displacement of the box suspension spring. The height fixation learns the Kastenumhängefeder by the first two longitudinal grooves. The lateral fixation of the Kastenumhängefeder done at its end by a bent Kastenumhängefederbereich, which is arranged in the third groove.
Die Bewegung der Kastenumhängefeder zwischen ihrer Umhängeposition und ihrer Maschenteilungsposition lässt sich auf einfache Art und Weise über einen Fuß der Kastenumhängefeder bewirken. Der Fuß kann mithilfe eines Strickschlosses bewegt werden.The movement of the Kastenumhängefeder between their Umhängeposition and their mesh sharing position can be easily done over a foot of the Kastenumhängefeder. The foot can be moved using a knit lock.
Ein bevorzugtes Ausführungsbeispiel der Erfindung ist in der Zeichnung schematisch dargestellt und wird anhand der Figuren näher erläutert. Die Figuren zeigen im Einzelnen:
- Fig. 1a)
- eine Umhängenadel mit verschiebbarer Kastenumhängefeder in einer Seitenansicht;
- Fig. 1b)
- einen Teilschnitt der Umhängenadel gemäß der Linie A-A in
Fig. 1a ); - Fig. 1c)
- die Umhängenadel mit verschiebbarer Kastenumhängefeder in einer weiteren Seitenansicht;
- Fig. 1d)
- einen Teilschnitt der Umhängenadel gemäß der Linie B-B in
Fig. 1c ); - Fig. 2a) bis 2f)
- das Teilen einer Masche mithilfe zweier gegenüberliegender Umhängenadeln.
- Fig. 1a)
- a Umhängenadel with sliding Kastenumhängefeder in a side view;
- Fig. 1b)
- a partial section of the Umhängeadel according to the line AA in
Fig. 1a ); - Fig. 1c)
- the transfer needle with displaceable Kastenumhängefeder in another side view;
- Fig. 1d)
- a partial section of the Umhängeadel according to the line BB in
Fig. 1c ); - Fig. 2a) to 2f)
- splitting a stitch using two opposing needles.
Aus der
Die Nadelbrust 12, ein Nadelhals 13, ein Nadelhaken 14 und eine Nadelzunge 15 entsprechen weitgehend einer Umhängenadel mit starrer Kastenumhängefeder, wie sie dem Stand der Technik entspricht.The
Der Nadelkörper 11 ist entlang seiner Längsseite, auf der sich die Nase 31 der in Längsrichtung verschiebbaren Kastenumhängefeder 3 befindet, mit Nuten 16 und 16' versehen, die in ihrer Breite und Tiefe so ausgelegt sind, dass sie eine Führung für die in Längsrichtung verschiebbare Kastenumhängefeder 3 bilden. Auf der gegenüberliegenden Längsseite des Nadelkörpers 11 ist eine Nut 17 ausgebildet, deren Tiefe mindestens der Dicke der Kastenumhängefeder 3 entspricht. Ihre Höhe ist etwas größer als die Höhe der Kastenumhängefeder 3. Etwas entfernt von der Nadelbrust 12 hat der Nadelkörper 11 in der vollen Höhe der Nut 16 einen Durchbruch 18. Die Nut 16' endet in Richtung Nadelbrust 12 mit einem Durchbruch 18', dessen Höhe mindestens der Höhe der Kastenumhängefeder 3 entspricht. Ausgehend von der Nut 16 verläuft eine Nut 19 in den Nadelhals 13. Ihre Unterseite liegt auf derselben Höhe wie die Unterseite der Nut 16. Ihre Höhe ist etwas größer als die Breite der Nase 31. Die seitliche Fixierung der Kastenumhängefeder 3 ist dadurch gegeben, dass ihr gekröpfter Kastenumhängefederbereich 34 in der Nut 17 geführt ist, und ihre Kastenumhängefederbereiche 32 und 33 in den Nuten 16 und 16' geführt sind. Die Nuten 16 und 16' sind auf der Längsseite des Nadelkörpers 11 angebracht, welche der Nut 17 gegenüberliegt.The
Die Bewegung der Umhängenadel 1 wird über einen Nadelfuß 10 eingeleitet. Die Längsbewegung der Kastenumhängefeder 3 im Nadelkörper 11 wird durch ihren Fuß 36 eingeleitet.The movement of the
Gemäß
Gemäß
Gemäß
Gemäß
Gemäß
Gemäß
Gemäß
- 11
- UmhängenadelTransfer needle
- 1'1'
- UmhängenadelTransfer needle
- 33
- KastenumhängefederTransfer spring
- 3'3 '
- KastenumhängefederTransfer spring
- 66
- Maschemesh
- 6'6 '
- Maschemesh
- 6"6 "
- Maschenschenkelmesh sides
- 1010
- Nadelfußbutt
- 1111
- Nadelkörperneedle body
- 1212
- Nadelbrustneedle breast
- 1313
- Nadelhalsneedle neck
- 1414
- Nadelhakenneedle hook
- 14'14 '
- Nadelhakenneedle hook
- 1515
- Nadelzungeneedle latch
- 1616
- Nutgroove
- 16'16 '
- Nutgroove
- 1717
- Nutgroove
- 1818
- Durchbruchbreakthrough
- 18'18 '
- Durchbruchbreakthrough
- 1919
- Nutgroove
- 3131
- Nasenose
- 3232
- KastenumhängefederbereichTransfer spring area
- 3333
- KastenumhängefederbereichTransfer spring area
- 3434
- KastenumhängefederbereichTransfer spring area
- 3535
- Federbrustspring chest
- 3636
- Fußfoot
- 3737
- KröpfungsstelleKröpfungsstelle
- 3838
- KröpfungsstelleKröpfungsstelle
- 3939
- Aufweitungwidening
- 5050
- Bewegungsrichtungmovement direction
- 6060
- Bewegungsrichtungmovement direction
- 6161
- Gestrickknitted
- 6565
- Bewegungsrichtungmovement direction
- 7070
- Bewegungsrichtungmovement direction
- 7575
- Bewegungsrichtungmovement direction
- 8585
- Bewegungsrichtungmovement direction
- 100100
- Mittelachsecentral axis
- MTMT
- MaschenteilungspositionMesh spacing position
- UNU.N.
- Umhängepositioncloaks position
Claims (7)
- Transfer needle (1, 1') for a knitting machine, the transfer needle (1, 1') comprising a needle latch (15), a needle chest (12) and a transfer spring (3, 3') having a spring chest (35), characterised in that the transfer spring (3, 3') is mounted in the needle body (11) of the transfer needle (1, 1') so as to be displaceable at least out of a transfer position (UN) into a gauge position (MT) and back into the transfer position (UN) by effecting a relative movement between the spring chest (35) and the needle chest (12) in the longitudinal direction of the needle body (11).
- Transfer needle according to claim 1, characterised in that the spring chest (35) of the transfer spring (3, 3') is congruent with the needle chest (12) when in the transfer position (UN) and covers a portion of the needle latch (MT) when in the gauge position (15), when said latch is in the open position.
- Transfer needle according to claim 2, characterised in that the transfer spring (3, 3') is guided in at least a groove (16, 16', 17) in the transfer needle (1, 1') extending in the longitudinal direction of the transfer needle (1, 1').
- Transfer needle according to claim 3, characterised in that a first groove (16) formed in a longitudinal side of a needle body (11) is provided which continues into a second groove (17) which is formed in the other longitudinal side and in turn continues into a third groove (16') formed in the first longitudinal side, the needle body (11) comprising a throughhole (18, 18') between the end of the first groove (16) and the start of the second groove (17) and between the end of the second groove (17) and the start of the third groove (16') respectively, and a correspondingly formed transfer spring (3, 3') being mounted in the grooves (16, 16', 17) and being guided through the throughholes (18, 18').
- Transfer needle according to claim 4, characterised in that a transfer spring region (32) is arranged in the first groove (16), an offset transfer spring region (34) is arranged in the second groove (17) and a transfer spring region (33) is arranged in the third groove (16').
- Transfer needle according to any one of the preceding claims, characterised in that a projection (31) of the transfer spring (31) is arranged in a groove (19) in the needle neck (13) in the gauge position (MT).
- Transfer needle according to any one of the preceding claims, characterised in that the transfer spring (3, 3') comprises a foot (36) for displacing the transfer spring (3, 3') between its transfer position (UN) and its gauge position (MT).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04028071A EP1630274B1 (en) | 2004-08-17 | 2004-11-26 | Transfer needle for a knitting machine |
CNB2005101285324A CN100485105C (en) | 2004-11-26 | 2005-11-28 | Transfer needle for knitting machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04019465A EP1630275B1 (en) | 2004-08-17 | 2004-08-17 | Transfer needle for a knitting machine |
EP04028071A EP1630274B1 (en) | 2004-08-17 | 2004-11-26 | Transfer needle for a knitting machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1630274A1 EP1630274A1 (en) | 2006-03-01 |
EP1630274B1 true EP1630274B1 (en) | 2009-10-14 |
Family
ID=35720942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04028071A Active EP1630274B1 (en) | 2004-08-17 | 2004-11-26 | Transfer needle for a knitting machine |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1630274B1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2997865A (en) * | 1961-08-29 | Philip | ||
DE513186C (en) * | 1927-04-30 | 1930-11-25 | Maier Karl | Device on knitting machines, in particular on circular knitting machines, for the production of circular knitted goods |
IT1185187B (en) * | 1985-07-04 | 1987-11-04 | Mecmor Spa | DEVICE FOR THE PASSAGE OF THE STITCH FROM A NEEDLE FOR THE FORMATION OF STRAIGHT MESH TO A NEEDLE FOR THE FORMATION OF REVERSE AND VICEVERSA MESH, IN A KNITTING MACHINE AND SIMILAR |
JPH01148855A (en) * | 1987-11-28 | 1989-06-12 | Heiko Seisakusho:Kk | Compound needle |
SU1652401A1 (en) * | 1989-04-03 | 1991-05-30 | Ленинградское Специальное Конструкторское Бюро По Проектированию Трикотажных Машин | Slide needle for transfer of loops in knitting machine |
-
2004
- 2004-11-26 EP EP04028071A patent/EP1630274B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1630274A1 (en) | 2006-03-01 |
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