EP1028185A1 - Umhängenadel zur Maschenübertragung - Google Patents
Umhängenadel zur Maschenübertragung Download PDFInfo
- Publication number
- EP1028185A1 EP1028185A1 EP99121389A EP99121389A EP1028185A1 EP 1028185 A1 EP1028185 A1 EP 1028185A1 EP 99121389 A EP99121389 A EP 99121389A EP 99121389 A EP99121389 A EP 99121389A EP 1028185 A1 EP1028185 A1 EP 1028185A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- needle
- neck
- guide surface
- shaft
- recess
- 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
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 neck needle for stitch-forming machines for the manufacture of textiles Fabrics.
- Circular knitting machines with cylindrical needles and disc needles serve. Individual stitches correspond to the pattern from cylinder needles to disc needles or vice versa transfer. Special needles are used for this, the stitch transmission elements have and transfer needles or transfer needles to be named.
- the corresponding cut surfaces of the slide and of the shaft form a guide surface, both facilitate the penetration of another needle into the space should.
- DE 1 560 996 is a stitch transfer needle known as a needle, not as a slide needle, but is designed as a latch needle. Corresponding it has a solid needle shaft without a slide element on. In order to effect the stitch transfer, the latch needle points a laterally cranked shaft. The one from that Part of the Shank is stepped and has a high and a low section. Starting from the low Section extends a groove over the back of the needle up to the high shaft section, in which the groove over the Side face of the needle opens completely.
- DE 31 45 708 C2 is for flat knitting machines provided transfer needle known for stitch transfer a shoulder spring on its side (“Spread spring”).
- This is as a leaf spring trained and with one end fixed to the needle shaft connected. The other, free end of the leaf spring forms with the needle shaft a space into which another Needle with its hook and shaft can enter.
- Both the leaf spring and the needle shaft are on their respective underside with an oblique guide surface provided that the penetration of a needle in the Clearance between the spreader spring and the needle shaft should facilitate.
- the one provided on the shaft The guide surface is largely flat. It stretches from the back of the needle to the side of the needle.
- the neck spring is subject to the neck needle while operating a relatively strong dynamic Burden.
- To take the stitch check the and part of the shaft of another neck needle initially near the free end of the neck spring in the space on.
- the free end of the neck spring can already be used from the needle shaft to which the neck spring is attached is to be pushed sideways. This is done in a narrow needle guide channel, on the flank of which the neck spring can be relative to the neck spring severe local bending results in excessive stress to lead. If this causes a broken spring, it is Lanyard no longer operational. The person in question The knitting machine must then be stopped and serviced.
- the neck needle of the invention has on its side surface a recess on that from a neck spring is covered.
- the latter is one-sided with the needle body connected and lies with a preferably tapered Tongue in a recess in the needle shaft.
- the recess places a guide surface on the needle shaft firmly on the penetrating hook of another needle can slide along.
- the guide surface extends along the recess from the needle back to the needle side surface. In doing so, she changes her way Angle to the back of the needle.
- the leadership area has a border on the back of the needle, first section and a bordering side of the needle, second section, with both sections together enclose an obtuse angle. So that is Guide surface is concave.
- the neck needle according to the invention can be designed in this way that the leadership area is in the neighborhood of that Needle back a small angle against the (main) direction the movement of a penetrating cap needle. This makes a penetrating cap needle relative slowly turned sideways and comparatively gradually accelerates. Not only the neck spring, but also also protected the penetrating cap needle.
- the neck needle according to the invention through the special design of the guide surface of the smooth transition from the top of the needle to the side of the needle not impaired to form the stitch support edge.
- the depth of the piercing space can, however, be increased become.
- the recess can be designed so that it ends on the side surface of the cape.
- the stitch support edge can thereby go through in this area without the recess caused profile change become. This ensures that stitches are gentle and injury free slide over this stitch support edge.
- the concave shape of the guide surface can vary Way will be obtained.
- the guide surface first in the longitudinal direction of the cape be arched at least in sections.
- the curvature can be an arc, a parabola or follow another curve.
- the recess can be formed deeper than before without the stitch support edge or the stability of the stitch-forming area of the neck needle is negative to influence.
- the Cut-out compared to neck needles with a straight guide surface at the lower edge of the neck spring by 0.1mm be deepened. This corresponds to at least half Neck spring thickness.
- the guide surface has a crease line and through two essentially flat surface areas be fixed.
- Appropriate angular ranges for the lower part of the Guide surface are less than 20 ° (preferably 18 °) perpendicular to one straight line at the back of the needle.
- the upper part of the guide surface preferably more than 20 ° to this vertical.
- the angle of the needle side surface is preferably still clear is set larger and is, for example, 25 ° or also more than 30 °.
- the depth of the recess can be dimensioned in this way be on the back of the needle more than half the width the cape takes.
- the depth of the recess is preferably already less than half the shaft thickness. In this height, a kink line can be arranged at which the slope of the guide surface changes. Alternatively a curvature of the guide surface can begin here or change.
- transition the guide surface from a first angular orientation to another angular orientation is preferably in Essentially level with the lower edge of the neck spring fixed.
- Figure 1 is a neck needle 1 based on her Shaft 2 and its hook 3 and the associated elements illustrates, with the needle foot in the illustration has been omitted.
- the shaft 2 is divided into a high section 4 and a low section 5. Both sections 4, 5 project from a common needle back 6 starting from.
- the shaft 2 In the transition from the high section 4 of the shaft 2 faces the low section 5 the shaft 2 has a step 8 on its upper side 7.
- the shaft 2 extends in both sides of the step 8 a longitudinal direction L cranked and straight, which with the Main direction of movement of the transfer needle 1 matches.
- a recess 11 that the receiving the hook of a further transfer needle 1 'is used. This is particularly indicated in Figure 2.
- the recess 11 forms a lateral recess in the shaft 2 and runs thus from the needle back 6 to one itself Needle back 6 and top 7 extending needle side surface 12. Between the needle side surface 12 and the top 7 is a mesh support edge 14 formed by the recess 11 is not reached.
- the recess 11 is largely from a neck spring 15 covers that in the present embodiment is designed as a box spring.
- the neck spring 15 is a leaf spring with a flat, essentially rectangular holding section 16 which in a lateral Recess 17 of the shaft, for example by means of several impressions 18, is held. Starting from the holding section 16 the neck spring 15 is cranked away from the shaft 2, so that another section 19 of the neck spring parallel and at a distance from the rest of the shaft 2 extends. In the corresponding section 19 adjacent The area of the shaft 2 can be somewhat thick be reduced. The shaft 2 can thus from the crimping point the shoulder spring 15 starting from a point 21 slightly be narrower than in the rest Areas.
- the height of section 19 of the neck spring 15 is reduced with respect to the longitudinal direction L of the shaft 2 with a level 22 approximately in the same place as in the shaft 2 can be found.
- Figure 2 shows the neck needle 1 in side view illustrated. Starting from level 22, it tapers the neck spring 15 continues so that it ultimately turns on their end 23 ends more or less pointedly. The bend the neck spring 15 can be seen in particular in FIG. 3.
- the neck spring 15 extends from their crank 24 approximately parallel to the shaft 2, the tapering section with its end 23 again the shaft 2 is bent towards and here in a groove 25 the shaft 2 is under prestress.
- a lancing space 27 (space) formed because of the formation of the neck spring 15 as a so-called box spring is also sometimes referred to as box room 27.
- the neck spring points between the crank 24 and the step 22 15 on the flat, plate-like section 19. This and / or section 9 lies on a flank F. a needle channel or can at least with this to come into a position.
- the recess 11 is opposite on the top 7 one in the side surface adjoining here recess 28 formed therein, which the Guidance of stitches lying on the shaft 2 is used.
- the Recess 28 is opposite the recess 11, so that there is a reduction in the cross section of the shaft 2 results. To keep this as low as possible, the comparatively larger recess 11 the special, in Figure 4 illustrated form.
- the recess 11 is towards the shaft 2 from one Limited guide surface 29, which is following the Needle back 6 at an acute angle to a direction V (figures 1 and 4) extends at right angles to the needle back 6 is oriented and roughly indicates the direction, in which a piercing cap needle 1 '(Fig. 3) is moved.
- the guide surface 29 is facing the Needle side surface 12 is concave. It shows one first surface area 31, which directly adjoins the Needle back 6 connects and at least in a middle Area is at least approximately planar.
- the recess 11 runs in the longitudinal direction L on the shaft 2 preferably flat at both ends. Here can surface area 31 may be somewhat curved.
- the depth 30 of the Recess 11 is measured on the lower edge 32 of the neck spring 15, opposite a continuous guide surface significantly enlarged with the angle of 25 °.
- the increase the depth of the recess 11 can be more than half the thickness of the neck spring 15.
- the second surface area 34 can, as in FIG indicated by a line 36, flat, i.e. within the Cutting plane are formed straight. However, it can also have a radius R, i.e. arched become.
- the curvature can be constant, i.e. a constant Have radius. Alternatively, the radius also change depending on the angle so that deviations from the circular arc Curvatures are achievable.
- the transfer needle 1 works as illustrated in FIG. 2:
- the neck needle 1 For passing stitches on section 5 of the Shafts 2 lie, the further transfer needle 1 'sticks in the box space 27, the neck spring 15 with its End 23 abuts the shaft 2 in the groove 25. This is in particular the right, upper half of FIG. 5 remove.
- the neck needle 1 according to the invention Comparison to a conventional cap needle 1a undivided guide surface at the beginning of the grooving process illustrated. Because of the result of the subdivision the deepening of the recess resulting in the guide surfaces 11 in the neck needle 1 according to the invention Compared to the conventional shoulder pin 1a, that highlights End 23 of the neck spring 15 not from the shaft 2 of the Lanyard 1 off.
- FIGS. 5 to 7 The situation with the cape la is different according to the prior art, as shown in FIGS. 5 to 7 is shown on the left. It is for reference same reference numerals, supplemented with a to distinguish them Letter index "a" used.
- the invention Shoulder needles 1 and the conventional shoulder needles 1a are on the right and left sides in Figures 5 to 7 illustrated in the same working stage.
- the piercing neck needle penetrates 1 'so far into the puncture chamber 27 that they leaves the guide surface 29 with its hook and the Side surface 12 of the transfer needle 1 is reached.
- the transfer needle 1 'so far in the direction of arrow 42 Figure 2 penetrated that they have an area sufficient Distance between the neck spring 15 and the side surface 12 reached to be able to advance without the neck spring 15 significantly deflect.
- the result is the piercing process the transfer needle 1 'by the according to the invention modified shape of the guide surface 29 optimized so far, that the bending load of the neck spring 15 compared decreases to the state of the art.
- the lifespan is increasing.
- a transfer needle there is a recess in the shaft 2 11 provided, which is covered by a shoulder spring 15 becomes.
- the recess creates a guide surface 29 fixed with the neck spring 15 a puncture 27th for a penetrating or piercing cap 1 ' stipulates the transfer of stitches.
- the guide surface 29 is divided into at least two surface areas 31, 34 which blunt with each other, to the neck spring 15 Include an opening angle.
- the single ones Surface areas 31, 34 can each be flat or be arched. Overall, there is a concave Design of the management area, what the dynamic Loads on the neck spring 15 reduced.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Description
Claims (11)
- Umhängenadel (1) für maschenbildende Maschinen,mit einem Nadelkörper, der einen länglichen Schaft (2) mit Nadelrücken (6) und Nadelseitenfläche (12) aufweist,mit einer an dem Schaft (2) gehaltenen Umhängefeder (15), die mit dem Schaft (2) einen Zwischenraum (27) festlegt,mit einer an dem Schaft (2) ausgebildeten seitlichen, zu dem Zwischenraum (27) gehörenden Aussparung (11), die durch eine sich von dem Nadelrücken (6) zu der Nadelseitenfläche (12) erstreckende Führungsfläche (29) festgelegt ist,
dass ein an die Nadelseitenfläche (12) grenzender Abschnitt (34) der Führungsfläche (29) mit einem an den Nadelrücken (6) grenzenden Abschnitt (31) einen stumpfen Winkel einschließt, der sich zu der Umhängefeder (15) hin öffnet. - Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Aussparung (11) von der dem Nadelrücken (6) gegenüberliegenden Nadeloberseite (7) einen solchen Abstand einhält, dass zwischen der Nadeloberseite (7) und der Nadelseitenfläche (12) auch im Bereich der Aussparung (11) eine durchgehende Maschenstützkante (14) ausgebildet ist.
- Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Führungsfläche (29) bezüglich der Längsrichtung (L) der Umhängenadel (1) eine Wölbung aufweist.
- Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Führungsfläche (29) bezüglich der sich im Wesentlichen rechtwinklig zu der Längsrichtung (L) von dem Nadelrücken (6) zu der gegenüberliegenden Nadeloberseite (7) erstreckenden Richtung (V) wenigstens abschnittweise gewölbt ist.
- Umhängenadel nach Anspruch 4, dadurch gekennzeichnet, dass die Wölbung einem Kreisbogen folgt.
- Umhängenadel nach Anspruch 4, dadurch gekennzeichnet, dass die Wölbung einer Parabel folgt.
- Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Führungsfläche (29) wenigstens eine Knicklinie (33) aufweist, die sich vorzugsweise in Längsrichtung erstreckt.
- Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Führungsfläche (29) an dem Nadelrücken (6) mit der Richtung (V) einen Winkel einschließt, der kleiner als 20 Grad ist und dass die Führungsfläche (29) an der Nadelseitenfläche (12) mit der Richtung (V) einen Winkel einschließt, der größer als 20 Grad ist.
- Umhängenadel nach Anspruch 8, dadurch gekennzeichnet, dass die Führungsfläche (29) an der Nadelseitenfläche (12) mit der Richtung (V) einen Winkel einschließt, der größer als 25, vorzugsweise größer als 30 Grad ist.
- Umhängenadel nach Anspruch 1, dadurch gekennzeichnet, dass die Aussparung (11) an dem Nadelrücken (6) mehr als die halbe Breite der Umhängenadel (1) einnimmt.
- Umhängenadel nach Anspruch 7, dadurch gekennzeichnet, dass der durch die Knicklinie (33) bestimmte Übergang der Führungsfläche (29) von einer ersten Winkelausrichtung zu einer anderen Winkelausrichtung im Wesentlichen auf einer Höhe mit einer Unterkante (32) der Umhängefeder (15) angeordnet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19905668 | 1999-02-11 | ||
DE19905668A DE19905668C2 (de) | 1999-02-11 | 1999-02-11 | Umhängenadel zur Maschenübertragung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1028185A1 true EP1028185A1 (de) | 2000-08-16 |
EP1028185B1 EP1028185B1 (de) | 2004-07-07 |
Family
ID=7897155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99121389A Expired - Lifetime EP1028185B1 (de) | 1999-02-11 | 1999-10-27 | Umhängenadel zur Maschenübertragung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6298693B1 (de) |
EP (1) | EP1028185B1 (de) |
JP (1) | JP4369000B2 (de) |
DE (2) | DE19905668C2 (de) |
ES (1) | ES2219978T3 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109112710A (zh) * | 2018-10-11 | 2019-01-01 | 宁波慈星股份有限公司 | 一种针板插片的加工方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10227533C1 (de) | 2002-06-20 | 2003-12-11 | Groz Beckert Kg | Nadel mit Umhängefeder |
US7614255B2 (en) * | 2005-04-06 | 2009-11-10 | Groz-Beckert Kg | Cutting needle |
KR101242542B1 (ko) * | 2005-11-18 | 2013-03-19 | 산토니 에쎄.뻬.아. | 인접한 편침으로 스팃치를 이동시키기 위한 메리야스류편직기 등을 위한 편침 |
EP1887117B1 (de) * | 2006-08-11 | 2010-03-17 | Groz-Beckert KG | Zungennadel für maschenbildende Textilmaschine |
EP2009160B1 (de) * | 2007-06-26 | 2016-09-28 | Groz-Beckert KG | Schneidnadel mit wechselbarem messer |
EP2096200B1 (de) * | 2008-02-27 | 2011-06-08 | Groz-Beckert KG | Umhängenadel mit innen liegender Federspitze |
IT1403218B1 (it) * | 2011-01-05 | 2013-10-17 | Santoni & C Spa | Macchina circolare monocilindro per calze da uomo, del tipo con aghi sul platorello |
CN102560874A (zh) * | 2011-12-20 | 2012-07-11 | 常州思成凯业精密制针有限公司 | 一种改进的舌针 |
US9587548B2 (en) | 2014-09-02 | 2017-03-07 | Arctic Cat, Inc. | Oxygen sensor cooling duct |
EP3015209B1 (de) * | 2014-10-27 | 2017-02-22 | Hugo Kern und Liebers GmbH & Co. KG Platinen- und Federnfabrik | Nadeln oder Platinen für Textilmaschinen sowie Verfahren zur Herstellung einer Nadel oder einer Platine für Textilmaschinen |
CN111286863A (zh) * | 2020-01-14 | 2020-06-16 | 冯加林 | 一种织针 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1560996B1 (de) * | 1962-06-08 | 1970-11-19 | Dubied & Cie Sa E | Flachstrickmaschine zur Herstellung sowohl von Rechts/Rechtsware als auch von Umhaengemustern und/oder von Minderungen ohne Nadelbettversatz |
DE2847972A1 (de) * | 1978-08-28 | 1980-03-13 | Mas Matias Mestre | Maschenuebertragungsnadel fuer wirkmaschinen |
DE3145708A1 (de) * | 1981-01-27 | 1982-08-19 | Matias Soldeu Mestre Mas | Maschenuebertragungsnadel fuer wirk- und strickmaschinen |
DE3401874A1 (de) * | 1984-01-20 | 1985-07-25 | Haase & Kühn S.A., Les Geneveys, Coffrane | Umhaengenadel und verfahren zu ihrer herstellung |
DE4231015A1 (de) * | 1991-09-17 | 1993-03-18 | Shima Seiki Mfg | Compound-nadel fuer wirk- bzw. strickmaschine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE681136C (de) | 1935-10-04 | 1939-09-16 | Siemens & Halske Akt Ges | Komplexe Wechselstromkompensationsmesseinrichtung mit zwei fremderregten, der reellen und imaginaeren Komponente zugeordneten und den Kompensationszustand selbsttaetig herbeifuehrenden, Messgeraeten |
US2626515A (en) * | 1950-04-14 | 1953-01-27 | Hemphill Co | Knitting needle and transfer bit |
GB681136A (en) * | 1950-04-14 | 1952-10-15 | Hemphill Co | Improvements in or relating to knitting needles and transfer bits for knitting machines |
US2667770A (en) * | 1950-08-23 | 1954-02-02 | Ordnance Gauge Company | Transfer needle for knitting machines |
DE3145798C2 (de) | 1981-11-19 | 1983-11-03 | Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt | Luntensperrvorrichtung an Spinnmaschinen-Streckwerken |
IT8321328V0 (it) * | 1983-03-30 | 1983-03-30 | Santoni & C Spa | Ago del piatto composito per macchina circolare monocilindrica per calzetteria atta a produrre maglia a costa. |
CH664392A5 (de) * | 1984-12-18 | 1988-02-29 | Dubied & Cie Sa E | Zungennadel fuer maschenuebertragung. |
IT1185187B (it) * | 1985-07-04 | 1987-11-04 | Mecmor Spa | Dispositivo per il passaggio del punto da un ago per la formazione di maglia diritta ad un ago per la formazione di maglia rovescia e viceversa,in una macchina per maglieria e simili |
-
1999
- 1999-02-11 DE DE19905668A patent/DE19905668C2/de not_active Expired - Fee Related
- 1999-10-27 EP EP99121389A patent/EP1028185B1/de not_active Expired - Lifetime
- 1999-10-27 DE DE59909904T patent/DE59909904D1/de not_active Expired - Lifetime
- 1999-10-27 ES ES99121389T patent/ES2219978T3/es not_active Expired - Lifetime
-
2000
- 2000-02-08 JP JP2000030814A patent/JP4369000B2/ja not_active Expired - Fee Related
- 2000-02-09 US US09/501,137 patent/US6298693B1/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1560996B1 (de) * | 1962-06-08 | 1970-11-19 | Dubied & Cie Sa E | Flachstrickmaschine zur Herstellung sowohl von Rechts/Rechtsware als auch von Umhaengemustern und/oder von Minderungen ohne Nadelbettversatz |
DE2847972A1 (de) * | 1978-08-28 | 1980-03-13 | Mas Matias Mestre | Maschenuebertragungsnadel fuer wirkmaschinen |
DE3145708A1 (de) * | 1981-01-27 | 1982-08-19 | Matias Soldeu Mestre Mas | Maschenuebertragungsnadel fuer wirk- und strickmaschinen |
DE3401874A1 (de) * | 1984-01-20 | 1985-07-25 | Haase & Kühn S.A., Les Geneveys, Coffrane | Umhaengenadel und verfahren zu ihrer herstellung |
DE4231015A1 (de) * | 1991-09-17 | 1993-03-18 | Shima Seiki Mfg | Compound-nadel fuer wirk- bzw. strickmaschine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109112710A (zh) * | 2018-10-11 | 2019-01-01 | 宁波慈星股份有限公司 | 一种针板插片的加工方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2000234248A (ja) | 2000-08-29 |
US6298693B1 (en) | 2001-10-09 |
EP1028185B1 (de) | 2004-07-07 |
JP4369000B2 (ja) | 2009-11-18 |
DE19905668A1 (de) | 2000-08-17 |
ES2219978T3 (es) | 2004-12-01 |
DE59909904D1 (de) | 2004-08-12 |
DE19905668C2 (de) | 2001-01-25 |
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