EP0407766A1 - Dispositif pour l'entraînement commandé selectivement de jeteurs dans machines à tricoter rectilignes - Google Patents
Dispositif pour l'entraînement commandé selectivement de jeteurs dans machines à tricoter rectilignes Download PDFInfo
- Publication number
- EP0407766A1 EP0407766A1 EP90111484A EP90111484A EP0407766A1 EP 0407766 A1 EP0407766 A1 EP 0407766A1 EP 90111484 A EP90111484 A EP 90111484A EP 90111484 A EP90111484 A EP 90111484A EP 0407766 A1 EP0407766 A1 EP 0407766A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- frame element
- electromagnet
- housing
- movement
- guide
- 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
- 230000033001 locomotion Effects 0.000 title claims abstract description 25
- 238000009940 knitting Methods 0.000 title claims abstract description 15
- 239000000969 carrier Substances 0.000 title abstract 3
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000003313 weakening effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
- D04B15/94—Driving-gear not otherwise provided for
- D04B15/96—Driving-gear not otherwise provided for in flat-bed knitting machines
-
- 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
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
- D04B15/56—Thread guides for flat-bed knitting machines
Definitions
- the present invention relates to a device for the selectively controllable entrainment of thread guides on flat knitting machines according to the preamble of claim 1.
- the electromagnet is connected to the entraining finger via a lever mechanism.
- the driving finger is loaded by a parallel tension spring and with a protruding one Provide latch, which engages in a one-armed lever, which is biased by a further tension spring by the electromagnet to unlock the driving finger.
- a two-armed lever is provided, one end of which is acted upon by a spring-loaded armature rod of the electromagnet and the other end of which is coupled to the driving finger for its up and down movement.
- a disadvantage of both known devices is that the transmission of motion from the electromagnet to the driving finger is relatively slow due to the lever-like transmission elements. This is predetermined on the one hand by the masses to be moved and on the other hand by the large number of elements that transmit the movement.
- Another disadvantage is the asymmetrical arrangement of the electromagnet to the driving finger, which results in an uneven distribution of forces on the driving finger, which is dependent on the direction of movement of the driving fingers and the maximum force that is to be exerted by the electromagnet. This results in a control or actuation time of the driving finger which is dependent on the current operating state, which is unsatisfactory.
- the object of the present invention is to provide a device for the selectively controllable entrainment of thread guides on flat knitting machines of the type mentioned in the introduction, in which the transmission of motion from the electromagnet to the entrainment finger is faster and independent of the
- the entrainment finger arrangement consisting of two parallel entrainment fingers is attached to one end of an armature rod of the electromagnet, but is axially arranged due to the axial arrangement of the anchor rod and entrainment arrangement intermediate guide section necessary for the axial movement of the driving finger arrangement, which increases the overall height of this device.
- DE 36 06 821 A1 in which the electromagnet and driving finger are arranged parallel to one another, which has the disadvantages mentioned above.
- the object of the present invention is to provide a device for the selectively controllable entrainment of thread guides on flat knitting machines of the type mentioned at the outset, in which the transmission of motion from the electromagnet on the entraining finger is faster and independent of the direction of movement of the carriage unit, with the structural height remaining essentially unchanged.
- the symmetrical arrangement of the frame element on the electromagnet and the associated central arrangement of the driving finger ensures that the forces acting on the driving finger are always evenly distributed over the guides of the frame element, so that the frame element and thus the driving element in each direction of movement of the slide unit is movable in the same way or with the same effort. Since transmission elements, such as levers or the like, are omitted, the transmission of motion from the electromagnet to the frame element and thus to the driving finger can take place more quickly, especially since the frame element can be manufactured from materials which are lighter than metal, ie essentially entirely from, for example, plastic. This allows the magnetic forces to be reduced.
- the symmetrical arrangement of the frame element on the electromagnet and the associated central arrangement of the driving finger ensures that the forces acting on the driving finger are always evenly distributed over the guides of the frame element, so that the frame element and thus the driving finger in each direction of movement of the slide unit in is movable in the same way or with the same effort. Since transmission elements, such as levers and the like, are omitted, the movement transmission from the electromagnet to the frame elements and thus to the driving finger can take place more quickly, especially since the frame element can be made entirely or essentially, for example, of plastic as a light component.
- each thread guide or a plurality of thread guides arranged on a thread guide rail is or are controlled by a structurally uniform, complete component made of an electromagnet with a housing, guide plates and frame element including a driving finger. This means that these complete components can also be replaced or replaced independently of one another, if necessary.
- the driving finger can, for example, be attached to a frame element as a metallic component.
- the features specified in claim 5 are expediently provided to simplify production.
- the device 10 shown in the drawing is used for selectively controllable entrainment of thread guides which are each attached to a thread guide box 11 in a manner not shown here.
- One or more of such thread guide boxes 11, shown only schematically here, can be moved back and forth along the lateral guide path 13 or 14 of a guide rail 12.
- a flat knitting machine is usually provided with a plurality of guide rails 12 which are arranged next to one another in parallel and arranged along the needle bed arrangement.
- the thread guide box 11 is selectively driven or switched off in a controlled manner by a selection device 15, which is connected in a non-illustrated manner to the carriage unit of a flat knitting machine, also not shown, while the carriage unit of the flat knitting machine is running.
- the thread guide box 11 has on its outside a vertical slot 18 for inserting and fastening an arm of a thread guide, not shown.
- the top and bottom of the thread guide box 11 is provided with guide rails 19, 21 which positively overlap the guideway 13.
- On the upper guide rail 12 run-on lugs 22 and 23 are formed in the direction of the longitudinal extension of the guide rail, each of which is provided with a run-up slope 24.
- An incision 26 is provided between the two overhanging lugs 22 and 23, via which the respective thread guide box 11 can be taken in one direction or the other by the selection device 15.
- the selection device 11 has an arm 28, which is connected at one end to the carriage unit in a manner fixed against movement in a manner not shown and which extends in a cantilever or bridge-like manner above and across the plurality of parallel guide rails 12. At a constant distance, the arm is provided with fastening bores 29, to which components 31 for selectively controllable driving of the thread guide box 11 or its thread guide, not shown, are fastened. Such a control component 31 is arranged above each guide track 13, 14 of the guide rails 12.
- the component 31 has an electromagnet, not shown in detail, which is surrounded by a cuboid housing 32 is. Of this electromagnet, only the armature rod 33 is visible in the drawing, which can emerge from the top 34 of the magnet housing 32.
- the electromagnet is, for example, bipolar, the armature rod 33 being held in its upwardly extended position by a permanent magnet.
- Guide plates 38 and 39 are attached to both narrow longitudinal sides 36, 37 of the magnet housing 32. The two guide plates protrude both the top 34 and the bottom 41 of the magnet housing 32 and are provided with a longitudinally extending guide groove 42 in the center.
- a yoke in the form of a frame element 43 is held movably guided up and down.
- the respective longitudinal side 36, 37 of the magnet housing 32 also serves as a guide surface.
- the frame element 43 which consists, for example, of plastic, surrounds the magnet housing 32. It thus has in one piece two parallel longitudinal legs 46, 47 and two mutually parallel cross legs 48 and 49, which run across the top 34 and bottom 41 of the magnet housing 32.
- the frame element 43 is shown in detail in FIG. 3.
- a driving finger 51 is arranged in the center of the lower cross leg 49, which can either be in one piece with the frame element 43 or, as shown in the drawing, is held and fastened, for example, as a metallic element and in a corresponding groove of the lower cross leg 49.
- the frame element 43 has an inside width in the transverse direction, which is approximately equal to the width of the magnet housing 32, but in the longitudinal extent an inner width that is greater than the length dimension of the magnet housing 32 corresponds.
- a compression spring 52 which is received at one end in a blind hole 53 in the lower cross arm 49 and at the other end in a blind hole receptacle 54 of the underside 41 of the magnet housing or the electromagnet itself.
- stop projections 56, 57 which are provided laterally on the inside of the upper transverse leg 48 of the frame element 42 and which come to rest on the upper side 34 of the magnet housing 32.
- the frame element 43 as shown on the component 31 'in Figure 1, can be held in its upper disengaged position by the armature rod 33 of the magnet.
- This position moved by a stroke H from the bottom up is given by stop projections 58 and 59, which are provided laterally on the inside of the lower cross leg 49 of the above and come to rest on the underside 41 of the magnet housing 32.
- an adjusting screw unit 61 is also provided, which is provided with a threaded bush 65 fixedly inserted in the upper cross leg 48 and through which the free distance between its inner actuating end 62 and the actuating end 63 of the anchor rod 33 in the driving position of the frame leg 43 can be adjusted.
- the frame element 43 can also be moved from its driving position into its disengaging position in such a way that the driving finger 51 is moved into the disengaging position when one of the run-up lugs 22, 23 is passed over and then can no longer fall back after the incision 26 has been reached, because meanwhile the anchor rod 33 has been magnetically moved into its disengaged position.
- the frame element 43 is designed7 in such a way that its longitudinal and transverse legs 46 to 49 are flexible in the u-range and the frame element 43 can be moved up and down in the guide plates 38, 39 in a smooth and shock-absorbing manner even under load.
- the longitudinal legs 46, 47 have recesses 66 and 67, 68 on their outer surface as well as on both narrow end faces over a substantial part of their length shallow depth, the one recess 66 being offset in height from the two recesses 67 and 68.
- the outer width of the frame element and dimensions of the upper and lower region of the longitudinal legs 46, 47 are such that the frame leg 43 are guided in the grooves 42 of the guide plates 38, 39 with a ratchet.
- the upper and the lower cross legs 48, 49 have cross-sectional weakenings in the form of lateral grooves 71 or lateral through openings 72. This enables the frame element 43 to be guided smoothly even when it overcomes a frictional force between the driving finger 51 and the wall area of the incision 26 the thread guide box 11 is pushed up by the anchor rod 33, guaranteed. In addition, impact vibrations that would arise due to the upward movement limitation are essentially damped or absorbed.
- the components 31 and 31 ' are formed in a compact manner, so that they can be lined up closely together on the arm 28 in a space-saving manner.
- they contain both the electromagnet and the frame element 43 including its guide and the driving finger 51 for taking a thread guide box 11 in a compact manner.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3922513 | 1989-07-08 | ||
DE3922513A DE3922513C2 (de) | 1989-07-08 | 1989-07-08 | Einrichtung zur selektiv ansteuerbaren Mitnahme von Fadenführern an Flachstrickmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0407766A1 true EP0407766A1 (fr) | 1991-01-16 |
EP0407766B1 EP0407766B1 (fr) | 1994-03-30 |
Family
ID=6384577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90111484A Expired - Lifetime EP0407766B1 (fr) | 1989-07-08 | 1990-06-19 | Dispositif pour l'entraînement commandé selectivement de jeteurs dans machines à tricoter rectilignes |
Country Status (5)
Country | Link |
---|---|
US (1) | US5109681A (fr) |
EP (1) | EP0407766B1 (fr) |
JP (1) | JP2879700B2 (fr) |
DE (1) | DE3922513C2 (fr) |
ES (1) | ES2054153T3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103422247A (zh) * | 2013-08-28 | 2013-12-04 | 温州市金丕针织机械制造有限公司 | 一种用于嵌花电脑横机的换色控制总成 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2807848B2 (ja) * | 1991-07-11 | 1998-10-08 | 株式会社島精機製作所 | 横編機におけるヤーンフィーダの駆動装置 |
JPH05339853A (ja) * | 1992-06-08 | 1993-12-21 | Mitsuboshi Seisakusho:Kk | 横編機における給糸変換装置 |
DE4400845C2 (de) * | 1994-01-13 | 1996-08-22 | Schieber Universal Maschf | Vorrichtung zum steuerbaren Mitnehmen von Fadenführern an Flachstrickmaschinen |
JPH08127948A (ja) * | 1994-10-31 | 1996-05-21 | Shima Seiki Mfg Ltd | 編機のキャリアの制御方法とその装置 |
JP3347079B2 (ja) * | 1998-12-16 | 2002-11-20 | 株式会社島精機製作所 | 横編機の端糸挿入装置 |
EP1391545B1 (fr) * | 2001-03-29 | 2010-11-17 | Shima Seiki Mfg., Ltd | Dispositif d'alimentation en fil pour metier a tricoter rectiligne |
WO2002081800A1 (fr) * | 2001-03-30 | 2002-10-17 | Shima Seiki Manufacturing Limited | Jeteur pour metier a tisser trame |
WO2003010378A1 (fr) * | 2001-07-24 | 2003-02-06 | Shima Seiki Mfg., Ltd. | Dispositif d'alimentation de fil d'un metier trame et procede d'alimentation de fil destine a un tel metier |
JP4016012B2 (ja) * | 2003-10-10 | 2007-12-05 | 株式会社島精機製作所 | 横編機用摺動抵抗付加装置 |
JP4163085B2 (ja) * | 2003-10-10 | 2008-10-08 | 株式会社島精機製作所 | 移動体連行状態切換え可能な横編機 |
EP1715092B1 (fr) * | 2005-04-21 | 2012-08-29 | H. Stoll GmbH & Co. KG | Guide-fil pour métier à tricoter rectiligne |
EP1788131B1 (fr) | 2005-11-16 | 2016-05-04 | H. Stoll AG & Co. KG | Machine à tricoter rectiligne avec un dispositif d'entraînement d'un elément fonctionnel |
CN102102270A (zh) * | 2011-03-22 | 2011-06-22 | 张家港市中飞针织设备有限公司 | 全电脑横编织机的切换装置 |
CN102978816A (zh) * | 2012-08-24 | 2013-03-20 | 东阳市创亿针织机械有限公司 | 一种电脑横机电磁铁 |
CN102995271A (zh) * | 2012-08-24 | 2013-03-27 | 东阳市创亿针织机械有限公司 | 电脑横机电磁铁 |
CN102978817A (zh) * | 2012-08-24 | 2013-03-20 | 东阳市创亿针织机械有限公司 | 电脑横机电磁铁改进结构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD227465A1 (de) * | 1984-10-15 | 1985-09-18 | Textima Veb K | Fadenfuehrersteuervorrichtung fuer strickmaschinen |
CH655145A5 (de) * | 1979-12-10 | 1986-03-27 | Shima Idea Center Co Ltd | Vorrichtung zum steuern der bewegung der fadenfuehrer einer flachstrickmaschine mit mehreren fadenfuehrern. |
DE3606821A1 (de) * | 1985-08-19 | 1987-02-26 | Stoll & Co H | Einrichtung zur einstellung des verstellweges der fadenfuehrer einer flachstrickmaschine |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1269109A (en) * | 1969-11-29 | 1972-04-06 | Wildt Mellor Bromley Ltd | Improved electro-magnetic means for selective control of yarn feed changes in flat knitting machines |
DE3716931C1 (de) * | 1986-07-01 | 1988-01-28 | Stoll & Co H | Fadenfuehrerschlitten |
IT214396Z2 (it) * | 1988-03-01 | 1990-05-03 | Emm Srl | Dispositivo elettromeccanico per il trascinamento delle slitte, supportanti altrettanti guidafilo, di una macchina automatica rettilinea per maglieria |
-
1989
- 1989-07-08 DE DE3922513A patent/DE3922513C2/de not_active Expired - Fee Related
-
1990
- 1990-06-19 EP EP90111484A patent/EP0407766B1/fr not_active Expired - Lifetime
- 1990-06-19 ES ES90111484T patent/ES2054153T3/es not_active Expired - Lifetime
- 1990-07-06 US US07/548,822 patent/US5109681A/en not_active Expired - Fee Related
- 1990-07-09 JP JP2182528A patent/JP2879700B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH655145A5 (de) * | 1979-12-10 | 1986-03-27 | Shima Idea Center Co Ltd | Vorrichtung zum steuern der bewegung der fadenfuehrer einer flachstrickmaschine mit mehreren fadenfuehrern. |
DD227465A1 (de) * | 1984-10-15 | 1985-09-18 | Textima Veb K | Fadenfuehrersteuervorrichtung fuer strickmaschinen |
DE3606821A1 (de) * | 1985-08-19 | 1987-02-26 | Stoll & Co H | Einrichtung zur einstellung des verstellweges der fadenfuehrer einer flachstrickmaschine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103422247A (zh) * | 2013-08-28 | 2013-12-04 | 温州市金丕针织机械制造有限公司 | 一种用于嵌花电脑横机的换色控制总成 |
CN103422247B (zh) * | 2013-08-28 | 2015-02-11 | 温州市金丕针织机械制造有限公司 | 一种用于嵌花电脑横机的换色控制总成 |
Also Published As
Publication number | Publication date |
---|---|
US5109681A (en) | 1992-05-05 |
JPH0345757A (ja) | 1991-02-27 |
DE3922513C2 (de) | 1998-09-17 |
DE3922513A1 (de) | 1991-01-17 |
ES2054153T3 (es) | 1994-08-01 |
EP0407766B1 (fr) | 1994-03-30 |
JP2879700B2 (ja) | 1999-04-05 |
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