EP0334930A1 - Kettenwirkmaschine mit mittels versatzschrittmotoren verstellbaren legebarren - Google Patents
Kettenwirkmaschine mit mittels versatzschrittmotoren verstellbaren legebarrenInfo
- Publication number
- EP0334930A1 EP0334930A1 EP88908663A EP88908663A EP0334930A1 EP 0334930 A1 EP0334930 A1 EP 0334930A1 EP 88908663 A EP88908663 A EP 88908663A EP 88908663 A EP88908663 A EP 88908663A EP 0334930 A1 EP0334930 A1 EP 0334930A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- offset
- sensor
- indicator
- laying
- bars
- 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
- 238000009940 knitting Methods 0.000 title claims abstract description 30
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 abstract 2
- 239000003999 initiator Substances 0.000 abstract 1
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009424 underpinning Methods 0.000 description 1
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
- D04B35/10—Indicating, warning, or safety devices, e.g. stop motions
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B27/00—Details of, or auxiliary devices incorporated in, warp knitting machines, restricted to machines of this kind
- D04B27/10—Devices for supplying, feeding, or guiding threads to needles
- D04B27/24—Thread guide bar assemblies
- D04B27/26—Shogging devices therefor
Definitions
- the invention relates to a warp knitting machine, the laying bars of which are adjusted according to a pattern by means of offset step monitors, which receive their offset information in the form of a specific number of offset pulses (number of offset pulses) from a pattern memory of a control device.
- a device for such a control of a warp knitting machine is known from DE-PS 24 19 694.
- a warp knitting machine controlled in this way must be switched off, for example, because of nighttime work interruptions, and there are also operational interruptions due to power failures.
- this is done in that - to determine and correct the position of the laying bars in the Deflection position of the warp knitting machine that is shut down - the indicator of an electrical proximity switch is connected to each laying bar, the sensor of which is attached to a measuring slide that can be moved in the direction of movement of the laying bars and that can be moved by means of a measuring step motor over the displacement area of the indicator from a starting position that corresponds to the zero position of the laying bar and that a pulse counter counting the steps of the measuring step motor during this shift to cover the indicator and sensor is provided, the counting result of which is compared with the offset pulse number defining the respective pattern-like shift and taken from the pattern memory by means of a comparator, and the difference determined by the comparator the offset step motor in question is entered as the correction pulse number.
- This pulse number which is taken as the result of a pulse counter counting the steps of the measuring step motor, is now compared with the offset pulse number, which can be obtained as offset information from the pattern memory of the control device and which, depending on the stored pattern, indicates the position in which the laying bar concerned is located has located.
- This comparison of the offset pulse number derived from the sample memory with the counting result of the abovementioned pulse counter is now carried out by means of a comparator. The difference determined by this comparison represents a correction pulse number, which is then input to the relevant offset step motor.
- the offset stepping motor now carries out a corresponding number of steps in the forward or backward direction, with which the laying bar in question is brought into the position in which it should stand according to the number of offset pulses taken from the sample memory.
- the warp knitting machine can then be started, the laying bars being in the correct position for the pattern in question.
- a warp knitting machine is normally equipped with several laying bars, one can expediently mount several sensors on one caliper, which is from a common one
- Measuring step motor is moved.
- the individual indicators overflow through the sensors in question, the number of steps covered up to that point is then recorded in relation to the associated indicator and thus the laying bar in question. H. for each individual bar, there is an individual number of steps.
- These individual step numbers are then compared in the manner described above by means of the comparator with the number of offset pulses taken from the pattern memory, whereupon this is then individually brought into the required position via the offset step motor of each laying bar, if this is necessary due to the comparison result.
- the measuring stepping motor In order to be able to determine the position of each bar by means of the caliper with particular accuracy, it is advisable to give the measuring stepping motor a smaller division than the offset stepping motor, ie the number of pulses required for a certain displacement path of a sensor and supplied to the measuring step motor in question is a multiple of the number of pulses, which is fed to the offset stepper motor for the same displacement path. For example, if for If the offset by one division of the offset stepper motor must receive eight pulses, then according to the rule given above, the measuring stepper motor can carry out four times the number of steps for the same displacement path, that is to say 32 steps.
- the indicator and sensor of the proximity switch can of course be interchanged, i.e. it is also possible to attach the indicator to the caliper and to couple the sensor to the bar.
- Figure 2 shows a detail Ais Figure 1 with the functionally essential components.
- Figure 1 shows three laying bars 1, 2, 3 of a warp knitting machine constructed in a known manner, which are moved back and forth according to a predetermined pattern via the push rods 4, 5 and 6.
- the push rods 4, 5 and 6 are on the push nut pieces 7, 8 and 9 under prestress by the springs 56,
- the indicators 20, 21 and 22 of proximity switches which are equipped with associated sensors 23, 24, 25, are attached to the thrust nut pieces 7, 8 and 9. These sensors 23, 24, 25 are attached to the caliper 26.
- a proximity switch thus consists of an indicator 20 and the associated sensor 23
- Proximity switches around known components that emit an electrical pulse when their indicator and sensor are covered.
- the caliper 26 is penetrated by the spindle 27 which is driven by the measuring step motor.
- the spindle 27 is received by the caliper 26 in a nut thread, so that when the spindle 27 rotates, the caliper 26, which is secured against rotation, moves in the direction of the offset movement of the bars 1, 2 and 3.
- the caliper 26 is shown with the sensors 23, 24 and 25 at a distance from the push nut pieces 7, 8 and 9. This is done here for the sake of clarity of presentation. In fact, the caliper 26 is mounted closely adjacent to the thrust nut pieces 7, 8 and 9, in any case in such a way that the indicators 20, 21 and 22 with the associated sensors 23, 24 and 25 are in the for functioning of the proximity switch concerned must be brought to the required coverage.
- the offset step motors 16, 17 and 18 receive their individual offset information in the form of offset pulses, as a result of which the offset step motors 16, 17 and 18 carry out a corresponding number of rotary steps, with the laying bars 1, 2 and 3 in the manner described above then the desired and required shift is given.
- the offset step motors 16, 17 and 18 receive their offset pulses from the control unit C (see FIG. 2).
- the control unit 19 also supplies the pulses necessary for driving the measuring step motor 28.
- the length of such a noticeable misalignment of a laying bar 1, 2 or 3 is now determined as follows:
- the warp knitting machine is stopped and in such a way that it stops in an angular range of the main shaft 34 which corresponds to the position of the laying bars underlaying.
- the underlay position is in fact the position that the laying bars take during normal operation of the machine in order to carry out the offset required for the patterning.
- the underpinning includes the entire
- the warp knitting machine can be guided, for example, in a crawl gear.
- the bar 3 and thus the indicator 22 are in the position indicated by the dash-dotted line B.
- the offset range of the laying bar 3 and thus of the indicator 22 extends from the position A to the position C within the underlying position.
- the sensor 25 assigned to the indicator 22 is located in its starting position, which also corresponds to position A. This starting position thus corresponds to the zero offset position of the laying bar 3.
- the measuring stepper motor 28 is now put into operation because of its
- Rotation drives the spindle 27 and thus shifts the caliper 26 with the sensor 25 in the direction of offset movement, to the end of the offset range at the dash-dotted line C.
- the sensor 25 runs past the indicator 22.
- the sensor 25 comes to coincide with the indicator 22, the sensor 25 emitting a pulse via the line 35.
- the measuring stepper motor 28 receives 19 pulses for its rotation from the control unit, which are simultaneously fed to the counter 36. Each pulse corresponds to the effect of the measuring step motor, a specific step from it and thus a corresponding longitudinal displacement of the sensor 25.
- the pulses or steps of the measuring step motor 28, each counted by the counter become the registers via the line 37 and the gate circuits 38, 39, 40 41, 42 and 43 are supplied, the register 43 being assigned to the bar 3 and thus to the indicator 22.
- gate 40 is blocked for the subsequent period, so that register 43 remains with the display of the number of steps previously traveled by measuring step motor 28.
- the registers 41 and 42 remain at counter readings of the counter 36 which correspond to the relevant positions of the indicators 20 and 21.
- the pattern memory 29 contains, in a known manner, the pattern to be achieved by the warp knitting machine in question, ie the pattern memory 29 emits offset pulses via its outputs 45, 46 and 47 in normal operation via lines 30, 31 and 32, which the offset stepping motors 16, 17 and 18 according to the respective number of offset pulses and thus move the bars 1, 2 and 3 accordingly.
- the offset pulse numbers stored by the pattern memory 29 for each laying bar 1, 2 and 3 are now fed via lines 48, 49, 50 to the comparator 44, which compares these pulse numbers with the pulse numbers supplied by the registers 41, 42 and 43.
- the difference determined in each case by the comparator is then fed as a sequence of pulses (correction pulse numbers) via line 30, 31 or 32 to the relevant offset stepping motor 16, 17 or 18, which has the consequence that, starting from that by means of the caliper 26 with its sensors 23, 24, 25 determined position of the laying bars 1, 2 and 3 and thus the indicators 20, 21 and 22, the offset step motors 16, 17 and 18 each now execute such a number of steps that the laying bars 1, 2 and 3 in their intended end position for the relevant offset operation. It is thus ensured that all laying bars 1, 2 and 3 are in the offset position provided for the end of an underlay.
- the laying bars 1, 2 and 3 are in their end position correct for the offset movement in question, but, as explained above, the warp knitting machine in question was stopped in an angular range of the main shaft 34. that corresponds to any position in the offset area. This means that normally the main shaft 34 lags behind the position of the guide bars 1, 2 and 3 that has already been assumed.
- the slotted disk 52 which is sensed by a light-sensitive sensor 51, is arranged on the main shaft 34, which, because of its rigid connection with the main shaft 34, is connected to it rotates and therefore generated via the slots 53 attached to it by means of the encoder 51 pulses.
- the pulses thus emitted by the encoder 51 are fed to the pattern memory 29 as synchronization pulses.
- a reference slot 54 is arranged on the slotted disk 52 in addition to the row of slots 53, which in each case by means of the reference transmitter 55 Reaching a certain angular position of the main shaft 34 emits a reference pulse.
- This reference pulse is also supplied to the control unit 19 and in this to the pattern memory 29. It signals the control unit that the main shaft 34 has reached an angular position which corresponds exactly to the end of the offset movement of the bars 1, 2 and 3.
- this reference pulse derived from the reference transmitter 55 is fed in, the control device 19 is started, so that from the angular position of the main shaft 34 defined by the reference pulse the further control and thus movement of the laying bars 1, 2 and 3 takes place, and exactly from a correct one according to the pattern Setting of the bars.
- the positions of the sensor 25 (and correspondingly also of the sensors 23 and 24) indicated by the dash-dotted lines D and E are indicated, which go beyond the range of displacement delimited by the lines A and C.
- the area lying between the lines A and C is sufficient, which corresponds to the maximum displacement range of the bars 1, 2 and 3 in the underlay position.
- the steps described above for determining and, if necessary, correcting the position of the laying bars can advantageously also be used if a new pattern is to be knitted with the warp knitting machine in question.
- the new pattern is entered into the pattern memory 29, unless the new pattern was already stored in it.
- the position of the laying bars is then determined in accordance with the above-mentioned processes, the warp knitting machine in question, of course, being stopped in the underlying position.
- the laying bars can be in any position.
- the comparator 44 is supplied from the registers 41, 42 and 43 with the relevant pulse numbers, whereupon the offset pulse numbers determined by the new pattern are taken from the pattern memory 29 and likewise entered into the comparator 44.
- the laying bars can then be moved into their end position determined by the new pattern in the relevant underlay position.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3734072 | 1987-10-08 | ||
DE19873734072 DE3734072A1 (de) | 1987-10-08 | 1987-10-08 | Kettenwirkmaschine mit mittels versatzschrittmotoren verstellbaren legebarren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0334930A1 true EP0334930A1 (de) | 1989-10-04 |
EP0334930B1 EP0334930B1 (de) | 1992-08-12 |
Family
ID=6337910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88908663A Expired - Lifetime EP0334930B1 (de) | 1987-10-08 | 1988-10-06 | Kettenwirkmaschine mit mittels versatzschrittmotoren verstellbaren legebarren |
Country Status (7)
Country | Link |
---|---|
US (1) | US4989423A (de) |
EP (1) | EP0334930B1 (de) |
JP (1) | JPH02502297A (de) |
KR (1) | KR940010044B1 (de) |
CN (1) | CN1014809B (de) |
DE (1) | DE3734072A1 (de) |
WO (1) | WO1989003443A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8817765D0 (en) * | 1988-07-26 | 1988-09-01 | Palmer R L | Loom control |
DE4127344A1 (de) * | 1991-08-19 | 1993-02-25 | Mayer Textilmaschf | Kettenwirkmaschine mit mindestens einer legebarre |
TW207555B (de) * | 1991-09-16 | 1993-06-11 | Zorini Luigi Omodeo | |
DE4215691C2 (de) * | 1992-05-13 | 1996-07-25 | Mayer Textilmaschf | Kettenwirkmaschine |
DE4411528C2 (de) * | 1994-04-02 | 1997-06-26 | Mayer Textilmaschf | Kettenwirkmaschine |
KR0182832B1 (ko) * | 1995-01-19 | 1999-05-01 | 오노 고타로 | 경편기의 무늬를 나타나게 하는 장치 및 그 제어방법 |
JPH10168719A (ja) * | 1996-12-12 | 1998-06-23 | Nippon Mayer Ltd | 経編機における編成要素の運動制御装置とその制御方法 |
DE19821845C2 (de) * | 1998-05-15 | 2000-05-04 | Mayer Textilmaschf | Vorrichtung an Kettenwirkmaschinen zum Positionieren eines Fadenführers |
ITMI20010069A1 (it) * | 2001-01-16 | 2002-07-16 | Corrado Pedroni | Gruppo di comando per l'azionamento di telai raschel multibarre |
DE10137601B4 (de) * | 2001-08-01 | 2006-09-07 | Karl Mayer Textilmaschinenfabrik Gmbh | Kettenwirkmaschine mit mindestens einer Musterlegebarre |
DE10321331B4 (de) | 2003-05-13 | 2009-01-02 | Karl Mayer Textilmaschinenfabrik Gmbh | Wirkmaschine |
DE10342843B4 (de) * | 2003-09-17 | 2005-09-15 | Karl Mayer Textilmaschinenfabrik Gmbh | Verfahren zur Inbetriebnahme einer Kettenwirkmaschine |
EP1520922B1 (de) * | 2003-09-30 | 2008-11-19 | Luigi Omodeo Zorini | Textilmaschine und deren Steuerung |
DE60302164T2 (de) * | 2003-10-21 | 2006-07-27 | Zorini, Luigi Omodeo, Cilavegna | Steuerungsvorrichtung für Textilmaschinen, insbesondere für Häkelmaschinen |
DE102004031268A1 (de) * | 2004-06-29 | 2006-02-02 | Karl Mayer Textilmaschinenfabrik Gmbh | Legebarrenantrieb in einer Wirkmaschine |
US8317492B2 (en) * | 2007-02-27 | 2012-11-27 | Deka Products Limited Partnership | Pumping cassette |
KR100980705B1 (ko) * | 2010-01-20 | 2010-09-07 | 박승헌 | 랏셀 경편기의 가이드바 구동장치 |
CN106048879A (zh) * | 2016-07-19 | 2016-10-26 | 柳州六品科技有限公司 | 一种用于经编机的控制系统 |
CN108193374B (zh) * | 2017-12-05 | 2019-05-24 | 武汉纺织大学 | 一种针前针背双横移传动装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE244368C (de) * | ||||
GB872470A (en) * | 1956-08-21 | 1961-07-12 | Warner Swasey Co | Improvements in or relating to electrical programming for angularly positioning shafts |
US3211896A (en) * | 1962-05-14 | 1965-10-12 | Gen Electric | Automatic control apparatus |
DE2257224A1 (de) * | 1972-11-22 | 1974-05-30 | Vyzk Ustav Pletarschky | Vorrichtung zur programmsteuerung des vorschubs von legebarren laengs des nadelbettes auf kettenwirk- und aehnlichen maschinen |
GB1445374A (en) * | 1973-02-26 | 1976-08-11 | Sigma Instruments Inc | Selective positioning system particularly for onctrolling guide bars of knitting machines |
JPS5413551B2 (de) * | 1973-04-26 | 1979-05-31 | ||
JPS5149961A (en) * | 1973-04-26 | 1976-04-30 | Matsura Kikai Seisakusho Kk | tateamiki no shujiku to garaseigyosochi no dokihoho |
JPS49133651A (de) * | 1973-04-26 | 1974-12-23 | ||
JPS51112966A (en) * | 1975-03-24 | 1976-10-05 | Minehiro Takeuchi | Pattern control device for automatic warp knitting machine |
GB2037822B (en) * | 1978-12-07 | 1983-04-27 | Gatehouse D W | Automatic positioning of machine elements |
DD214400A1 (de) * | 1983-04-05 | 1984-10-10 | Wtz Tech Textilien | Vorrichtung zur versatzsteuerung der legeschienen einer mehrlegeschienigen kettenwirkmaschine |
DE3321733C2 (de) * | 1983-06-16 | 1985-06-20 | Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen | Kettenwirkmaschine mit Jacquard-Lochnadeln |
JPS6047381A (ja) * | 1983-08-23 | 1985-03-14 | 東芝テック株式会社 | 自己鎖錠端子装置 |
GB8406570D0 (en) * | 1984-03-13 | 1984-04-18 | Guildford Kapwood Ltd | Operating warp knitting machines |
GB2182358B (en) * | 1984-03-13 | 1987-12-16 | Guilford Kapwood Ltd | Mechanism for effecting guide bar lapping movement in warp knitting machines |
DE3442090C1 (de) * | 1984-11-17 | 1986-02-06 | Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen | Vorrichtung zur Steuerung der Versatzbewegung einer Legeschiene bei Kettenwirkmaschinen u.dgl. |
JPS61196994A (ja) * | 1985-02-25 | 1986-09-01 | 株式会社東芝 | 洗濯機 |
DD251807A1 (de) * | 1986-08-01 | 1987-11-25 | Textima Veb K | Vorrichtung zum steuern von versatzbewegungen einer legeschiene an einer kettenwirkmaschine |
US4761973A (en) * | 1987-05-08 | 1988-08-09 | Richard Gangi | Warp knitting/crochet warp knitting machine |
-
1987
- 1987-10-08 DE DE19873734072 patent/DE3734072A1/de active Granted
-
1988
- 1988-10-03 CN CN88107037A patent/CN1014809B/zh not_active Expired
- 1988-10-06 KR KR1019890701016A patent/KR940010044B1/ko not_active IP Right Cessation
- 1988-10-06 JP JP63507948A patent/JPH02502297A/ja active Pending
- 1988-10-06 US US07/381,416 patent/US4989423A/en not_active Expired - Fee Related
- 1988-10-06 EP EP88908663A patent/EP0334930B1/de not_active Expired - Lifetime
- 1988-10-06 WO PCT/DE1988/000619 patent/WO1989003443A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8903443A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR890701819A (ko) | 1989-12-21 |
KR940010044B1 (ko) | 1994-10-21 |
JPH02502297A (ja) | 1990-07-26 |
DE3734072A1 (de) | 1989-04-27 |
CN1014809B (zh) | 1991-11-20 |
EP0334930B1 (de) | 1992-08-12 |
CN1032558A (zh) | 1989-04-26 |
WO1989003443A1 (en) | 1989-04-20 |
US4989423A (en) | 1991-02-05 |
DE3734072C2 (de) | 1990-07-12 |
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