EP0424717A1 - Machine à tricoter rectiligne - Google Patents
Machine à tricoter rectiligne Download PDFInfo
- Publication number
- EP0424717A1 EP0424717A1 EP90119232A EP90119232A EP0424717A1 EP 0424717 A1 EP0424717 A1 EP 0424717A1 EP 90119232 A EP90119232 A EP 90119232A EP 90119232 A EP90119232 A EP 90119232A EP 0424717 A1 EP0424717 A1 EP 0424717A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- edge
- stitch
- needle
- forming
- knitting machine
- 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
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/10—Needle beds
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/06—Sinkers
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/88—Take-up or draw-off devices for knitting products
- D04B15/90—Take-up or draw-off devices for knitting products for flat-bed knitting machines
Definitions
- the invention relates to a flat knitting machine with two needle beds, in which pivotable between the needles and controllable with lock parts of the slide, a thread-influencing edge boards are arranged so that the boards of the two needle beds face each other and in a front pivot position with opposing projections form bridges spanning the comb gap of the flat knitting machine.
- a flat knitting machine of the type mentioned is known from DE-PS 36 09 539 by the applicant.
- the bridges in the comb gap which can be formed by means of the sinkers, prevent stitches from being pulled up while the needle is being driven out.
- the boards act as hold-downs, make the use of strippers unnecessary and also form there the wedge edge for the processed thread.
- the lock curve for the control of the sinkers is designed so that the sinker assumes a desired position for each of the different functions intended for it in the course of stitch formation.
- the adjustable sinkers require a quick change to different functional positions, whereby compromises are inevitable that the sinker cannot always assume or maintain the optimal position for a desired function.
- the invention has for its object to avoid the above-mentioned compromise constraints and to create a flat knitting machine that allows optimal and safe thread processing even at high operating speeds, in which the adjustable sinkers remain controllable in the best operating positions for obtaining optimal effects, without thereby other operating functions be affected.
- the adjustable sinkers viewed in the longitudinal direction of the needle beds, are each arranged between a needle assigned to them and an immovable, known per se knitting stitching web running at an angle to the knitting pull-off direction , and that the edge of the sinkers influencing the thread runs below its bridge-forming projection from the comb gap to behind a stitch wiping edge of the needle bed and in each section and in each Adjustment of the sinkers extends at an angle to the direction of knitting deduction, which deviates from the corresponding angle of the fixed curling edge of the stitch formation web.
- the advantage is achieved that the shape and the movement of the sinkers in the region of their edges influencing the thread can be better adapted to the thread guide and stitch hold-down function.
- the fixed stitch formation webs create a curling edge that remains fixed on an optimal course regardless of the adjustment movements of the sinkers.
- the circuit board which is at least predominantly relieved of the curling function, can be used to a greater extent to hold down stitches and to favor the thread insert in the needles, which is particularly advantageous when working with tongue-less needles.
- the board for opening and closing the comb gap can be controlled more independently and more precisely than was previously the case.
- the edge of the sinkers influencing the thread can be divided into at least two sections of different angular position with respect to the direction of knitting withdrawal be, of which at least the front section beginning at the bridge-forming projection of the board can be moved into the comb gap in the event of an adjustment movement of the board beyond the curling edge of the stitch-forming web.
- the front section of the edge of the sinkers influencing the thread, with the bridge-forming sinker protrusion set back behind the curling edge of the stitch-forming web can run at least approximately at the same distance as the thread receiving groove of the needle head from the sole of the needle guide channel of the needle bed, and thereby a safe thread insertion into the needle head even at high Ensure operating speeds.
- the movable sinkers can also support the stitch withdrawal, in that they can also be moved downwards during their adjustment movement into the comb gap. With regard to their influence on the stitches formed, the sinkers are no longer restricted to the function of holding down the stitches in the comb gap.
- the stitch-forming webs in the knitting pull-off direction can have an undercut edge running in the direction of the stitch-knocking edge of the needle bed, and the second section of the edge of the sinkers influencing the thread, in its bridge-forming position, can run at least approximately parallel to the undercut edge of the stitch-forming webs.
- this makes it possible to ensure that the edge of the adjustable sinkers which influences the thread does not protrude beyond the undercut edge of the stitch-forming webs and comes to rest there Stitches do not disturb, and on the other hand, the displacement movement of these stitches is supported along the undercut edge in the direction of the stitch wiping edge of the needle bed.
- the stitch formation webs can have a projection directed into the comb gap between their wedge edge and their undercut edge, which promotes, among other things, the orderly thread laying on the wedge edge in the case of multi-thread knitting.
- FIG. 1 shows the dotted line of the edge region of a stationary stitch-forming web 31, which also defines the comb gap 30 between the two needle beds of a flat knitting machine.
- Fig. 1 also shows in section a parallel to the comb gap 30 through openings 39, 39 'of the stitch-forming webs 31 through the entire length of a needle bed passed wire 32 which forms the stitch wiping edge of the needle bed.
- a projection 33.1 is shown with a solid line in a first position of an adjustable board 33 cooperating with the stitch formation web 31 and is shown with a dash-dotted line in a position in which it is advanced to the center of the comb gap 30 indicated by a line 34.
- Line 34 also designates the direction of knitting of the machine.
- a wedge edge 35 is formed in an area above the wire 32 forming the stitch wiping edge, which extends at an acute angle to the knitting pull-off direction 34.
- This wedge edge 35 is adjoined at the bottom by a projection 36 directed into the comb gap 30 and then by an undercut edge 37 running in the direction of the wire 32.
- an edge 38 is formed, which is divided into two sections 38.1 and 38.2. With this edge 38, a thread 40 resting against the wedge edge 35 of the stitch-forming web 31 can be detected when the projection 33 can be moved downward in the direction of the fabric withdrawal direction 34.
- the edge 38 of the circuit board 33 extends from the comb gap 30 to behind the wire 32 of the needle bed forming the stitch wiping edge and forms an angle with each section and in each adjustment position of the circuit board 33 to the embroidery pull-off direction 34 which is different from the angle that the wedge edge 35 of the stationary one Knitting web 31 forms with the knitting pull-off direction 34, is different.
- the rear edge section 38.2 runs approximately parallel to the undercut edge 37 of the stitch-forming web 31.
- FIG. 1 shows a needle with its needle back 55 resting on the sole of a needle guide channel of a needle bed and the contour of its needle head 49 with a dash-dotted line.
- the front section 38.1 of its edge 38 runs at a distance X from the needle back and at the height of the center of the needle head 49, so that a circuit board projection 33.1 moves forward slightly into the comb gap 30 the thread placed can be controlled to the height of the needle head.
- FIGS. 2a-2e show the two needle beds 41 and 42 of a flat knitting machine with their stitch-forming webs 31 delimiting the comb gap 30 one of these stitch formation webs 31 interacting and facing each other in pairs, pivotable plates 33 are shown completely.
- Fig. 2a shows a latch needle 43 during its expulsion movement in the direction of the arrow 44.
- the knitted fabric 45 hanging in the comb gap is prevented by the expelling latch needle 43 by the projections 33.1 of the sinkers 33 moved into the comb gap 30, which form bridges closing the comb gap 30.
- the last formed "old” stitch 46 slides back over the shaft of the needle 43 in a known manner while opening the needle tongue 47.
- FIG. 2b shows how the old stitch 46 resting on the stitch-off edge 32 has closed the latch needle 47.
- FIG. 2d shows the latch needle 43 in its maximum draw-off position, in which the needle head 49 has passed through the old stitch 46 and has drawn a new stitch 50 from the thread 40 coming into contact with the wedge edge 35 of the stitch-forming web 31.
- FIG. 2d shows that this new stitch 50 has only been drawn into the old stitch 46 over part of its length.
- the full retraction is then effected by the goods take-off device, not shown, which exerts a tensile force on the knitted fabric 45 in the direction of the arrow 51 shown in FIG. 2d.
- the dropping of the thread 40 from the wedge edge 35 of the stitch-forming webs 31 is promoted by the adjustable sinkers 33, which according to FIG. 2e are then pivoted again in the direction of the arrows 52 shown in FIG. 2e, so that their projections 33.1 with their edge 38 ( Fig. 1) grasp the thread 40 and move it downward into the comb gap before the latch needles 43 begin their expulsion movement again.
- the thread is initially influenced only by the latch needle and the stationary stitch-forming webs and only at the end, over a short distance, by the old stitch due to the action of friction. Then the adjustable sinkers, the fabric take-off and the stitching edge on the newly formed stitch are effective, but only small and, above all, evenly distributed frictional forces can be effective. These frictional forces can be further reduced by the fact that the wire 32 of the needle beds forming the stitch wiping edge receives a rotary drive.
- the electric motor 53 can be a controllable and switchable stepper motor.
- the stitch-off edge of a needle bed can also consist of wire or tube sections, each freely rotatably mounted between adjacent stationary stitch-forming webs 31, which can rotate when a stitch moves over the stitch-off edge.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3935763 | 1989-10-27 | ||
DE3935763A DE3935763A1 (de) | 1989-10-27 | 1989-10-27 | Flachstrickmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0424717A1 true EP0424717A1 (fr) | 1991-05-02 |
EP0424717B1 EP0424717B1 (fr) | 1994-03-30 |
Family
ID=6392320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90119232A Expired - Lifetime EP0424717B1 (fr) | 1989-10-27 | 1990-10-06 | Machine à tricoter rectiligne |
Country Status (5)
Country | Link |
---|---|
US (1) | US5138849A (fr) |
EP (1) | EP0424717B1 (fr) |
JP (1) | JPH0633547B2 (fr) |
DE (2) | DE3935763A1 (fr) |
ES (1) | ES2051431T3 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992013126A1 (fr) * | 1991-01-25 | 1992-08-06 | Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg | Machine a tricoter rectiligne |
EP0578458A1 (fr) * | 1992-07-09 | 1994-01-12 | Shima Seiki Mfg., Ltd. | Dispositif de platines pour des métiers à tricoter rectilignes |
EP0602622A1 (fr) * | 1992-12-15 | 1994-06-22 | SHIMA SEIKI MFG., Ltd. | Dispositif de platines pour des métiers à tricoter rectiligne |
WO1995007382A2 (fr) * | 1993-09-06 | 1995-03-16 | E.M.M. S.R.L. | Dispositif permettant d'aplatir les mailles formees dans une tricoteuse rectiligne |
EP1522618A1 (fr) | 2003-10-07 | 2005-04-13 | H. Stoll GmbH & Co. | Platine pour un métier à tricoter rectiligne |
EP2034063A1 (fr) * | 2007-09-06 | 2009-03-11 | H. Stoll GmbH & Co. KG | Machine à tricoter rectiligne |
EP2251469A1 (fr) * | 2009-05-15 | 2010-11-17 | H. Stoll GmbH & Co. KG | Machine à tricoter rectiligne dotée de platines de retenue |
CN112877886A (zh) * | 2021-01-11 | 2021-06-01 | 桐乡市强隆机械有限公司 | 针织横机的压纱装置及其工作方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4128016A1 (de) * | 1991-08-23 | 1993-02-25 | Stoll & Co H | Zweibettige flachstrickmaschine mit nadeln und platinen |
JP2726958B2 (ja) * | 1991-08-29 | 1998-03-11 | 株式会社島精機製作所 | 二段ベッド横編機 |
DE4411724C2 (de) * | 1994-04-05 | 1996-04-18 | Schieber Universal Maschf | Flachstrickmaschine |
DE19704644B4 (de) * | 1997-02-07 | 2006-06-14 | H. Stoll Gmbh & Co. | Flachstrickmaschine und Verfahren zur Herstellung eines Gestricks |
DE19725073B4 (de) * | 1997-06-13 | 2004-11-25 | H. Stoll Gmbh & Co. | Strickmaschine, insbesondere Flachstrickmaschine |
EP1347088B1 (fr) * | 2002-03-23 | 2006-11-08 | H. Stoll GmbH & Co. | Machine à tricoter rectiligne comportant des platines ajustables |
WO2003102285A1 (fr) * | 2002-05-30 | 2003-12-11 | Shima Seiki Manufacturing Limited | Metier a mailles cueillies presentant un dispositif de platine d'abattage mobile |
DE50309083D1 (de) * | 2003-10-07 | 2008-03-13 | Stoll & Co H | Flachstrickmaschine mit mindestens einem Nadelbett |
EP2042633B1 (fr) * | 2007-09-25 | 2010-12-15 | H. Stoll GmbH & Co. KG | Machine à tricoter rectiligne avec platines essuyantes |
EP2130960B1 (fr) * | 2008-06-04 | 2010-12-01 | Groz-Beckert KG | Système de tricotage avec une platine d'abattage entraînée par une aiguille |
NL2028598B1 (en) | 2020-07-03 | 2022-02-22 | Soft Revolt Tech B V | Flat knit bra |
EP4363643A1 (fr) | 2021-07-01 | 2024-05-08 | Soft Revolt Tech B.V | Soutien-gorge tricoté plat |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3300026A1 (de) * | 1982-05-25 | 1983-12-01 | Matias Soldeu Mestre Mas | Nadelbett fuer automatische flachstrick- und flachstrickwirkmaschinen |
DE3609539C2 (fr) * | 1986-03-21 | 1987-12-23 | H. Stoll Gmbh & Co, 7410 Reutlingen, De |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1653886A (en) * | 1926-05-24 | 1927-12-27 | Fred F Billings | Sinker for knitting machine |
US3024633A (en) * | 1956-04-06 | 1962-03-13 | Gerhard Kochheim | Flat knitting apparatus |
DE1172396B (de) * | 1960-03-24 | 1964-06-18 | Remac Handstrickapp Erzeugung | Flachstrickgeraet mit Zungennadeln und Abschlag- und Niederhalteplatinen |
US3362195A (en) * | 1964-07-28 | 1968-01-09 | Goisis Mario | Method of and apparatus for forming loops in flat knitting machines |
US3735812A (en) * | 1970-12-10 | 1973-05-29 | Courtaulds Ltd | Knitting machines |
DE2545212A1 (de) * | 1975-10-09 | 1977-04-21 | Krenzler Fa Emil | Verfahren und rundstrickmaschine zur herstellung eines gestricks |
SU1137791A1 (ru) * | 1982-05-24 | 1988-04-30 | Всесоюзный Научно-Исследовательский Институт Легкого И Текстильного Машиностроения | Петлеобразующий механизм круглов зальной машины |
DE3320043A1 (de) * | 1983-06-03 | 1984-12-06 | Terrot Strickmaschinen GmbH, 7000 Stuttgart | Maschenbildende maschine |
DE3629334A1 (de) * | 1986-08-28 | 1988-03-10 | Stoll & Co H | Flachstrickmaschine |
DE3917934A1 (de) * | 1988-06-13 | 1989-12-14 | Schieber Universal Maschf | Flachstrickmaschine |
-
1989
- 1989-10-27 DE DE3935763A patent/DE3935763A1/de active Granted
-
1990
- 1990-10-06 ES ES90119232T patent/ES2051431T3/es not_active Expired - Lifetime
- 1990-10-06 DE DE90119232T patent/DE59005182D1/de not_active Expired - Fee Related
- 1990-10-06 EP EP90119232A patent/EP0424717B1/fr not_active Expired - Lifetime
- 1990-10-26 JP JP2287378A patent/JPH0633547B2/ja not_active Expired - Fee Related
- 1990-10-29 US US07/604,239 patent/US5138849A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3300026A1 (de) * | 1982-05-25 | 1983-12-01 | Matias Soldeu Mestre Mas | Nadelbett fuer automatische flachstrick- und flachstrickwirkmaschinen |
DE3609539C2 (fr) * | 1986-03-21 | 1987-12-23 | H. Stoll Gmbh & Co, 7410 Reutlingen, De |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1992013126A1 (fr) * | 1991-01-25 | 1992-08-06 | Universal Maschinenfabrik Dr. Rudolf Schieber Gmbh & Co. Kg | Machine a tricoter rectiligne |
EP0578458A1 (fr) * | 1992-07-09 | 1994-01-12 | Shima Seiki Mfg., Ltd. | Dispositif de platines pour des métiers à tricoter rectilignes |
EP0602622A1 (fr) * | 1992-12-15 | 1994-06-22 | SHIMA SEIKI MFG., Ltd. | Dispositif de platines pour des métiers à tricoter rectiligne |
US5475991A (en) * | 1992-12-15 | 1995-12-19 | Shima Seiki Manufacturing Limited | Sinker mechanism for flat knitting machines having yarn drop prevention part |
WO1995007382A2 (fr) * | 1993-09-06 | 1995-03-16 | E.M.M. S.R.L. | Dispositif permettant d'aplatir les mailles formees dans une tricoteuse rectiligne |
WO1995007382A3 (fr) * | 1993-09-06 | 1995-04-13 | Emm Srl | Dispositif permettant d'aplatir les mailles formees dans une tricoteuse rectiligne |
EP1522618A1 (fr) | 2003-10-07 | 2005-04-13 | H. Stoll GmbH & Co. | Platine pour un métier à tricoter rectiligne |
EP2034063A1 (fr) * | 2007-09-06 | 2009-03-11 | H. Stoll GmbH & Co. KG | Machine à tricoter rectiligne |
EP2251469A1 (fr) * | 2009-05-15 | 2010-11-17 | H. Stoll GmbH & Co. KG | Machine à tricoter rectiligne dotée de platines de retenue |
CN101886309A (zh) * | 2009-05-15 | 2010-11-17 | H.斯托尔两合公司 | 带有握持沉降片的针织横机 |
CN112877886A (zh) * | 2021-01-11 | 2021-06-01 | 桐乡市强隆机械有限公司 | 针织横机的压纱装置及其工作方法 |
CN112877886B (zh) * | 2021-01-11 | 2022-05-17 | 桐乡市强隆机械有限公司 | 针织横机的压纱装置及其工作方法 |
Also Published As
Publication number | Publication date |
---|---|
ES2051431T3 (es) | 1994-06-16 |
DE3935763A1 (de) | 1991-05-02 |
JPH0633547B2 (ja) | 1994-05-02 |
DE3935763C2 (fr) | 1993-02-11 |
JPH03152249A (ja) | 1991-06-28 |
US5138849A (en) | 1992-08-18 |
DE59005182D1 (de) | 1994-05-05 |
EP0424717B1 (fr) | 1994-03-30 |
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