CN100507117C - Method for setting up a warp knitting machine - Google Patents
Method for setting up a warp knitting machine Download PDFInfo
- Publication number
- CN100507117C CN100507117C CNB2004100787723A CN200410078772A CN100507117C CN 100507117 C CN100507117 C CN 100507117C CN B2004100787723 A CNB2004100787723 A CN B2004100787723A CN 200410078772 A CN200410078772 A CN 200410078772A CN 100507117 C CN100507117 C CN 100507117C
- Authority
- CN
- China
- Prior art keywords
- pin
- sley bar
- correction
- correcting value
- drive unit
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- D04B27/06—Needle bars; Sinker bars
-
- 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
- D04B35/18—Indicating, warning, or safety devices, e.g. stop motions responsive to breakage, misplacement, or malfunctioning of knitting instruments
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
- Looms (AREA)
Abstract
Provided is a method for simply setting up a warp knitting machine satisfying an assumption for operating without trouble. The warp knitting machine is provided with first needles with at least one string bar which can be displaced in displacing direction to a support equipped with second needles by a position adjusting drive, wherein the position adjusting drive has a rotating motor and a transmission and the string bar is displaced to a first position wherein each of the first needles locates between each of the second needles and the first position is memorized. As a result the string bar is displaced to a second position in a predetermined adjusting stroke by the position adjusting drive and checked whether each of the first needles locates in the predetermined range between each of the second needles or not and in the case of the result is not the first needles are displaced for adjusting by the position displacement drive until locating in the predetermined range and the correcting amount is calculated from the correcting displacement and memorized for the next action by the position adjusting drive.
Description
Technical field
Invention relates to and is used to method that a warp knitting machine is brought into operation, described warp knitting machine has the sley bar that has first pin at least, this sley bar can be shifted along sideslip direction with respect to a carriage that has second pin by a positioning drive unit, described positioning drive unit has a rotation motor and a transmission mechanism, wherein can be displaced to primary importance to sley bar, first pin is between pin between second pin in the space in this primary importance, and stores this primary importance.
Background technology
For example relative crochet hook makes guide pin traversing in warp knitting machine.Guide pin (Legenadel) passes the gap swing between the crochet hook then.The space that guide pin utilized in such motion is called " space between pin ".Guide pin is traversing to returning along opposite direction again then, and along with pass for the first time the opposite direction of oscillating motion and pass space swing between other pin again.For all guide pins all carry out identical motion, guide pin is fixed on the so-called sley bar, this sley bar similarly makes all guide pin motions.
In old-fashioned warp knitting machine, sley bar is moved by means of pattern disc or by means of the jacquard weave chain.Thereby only in limited scope, provide jacquard weave.It is at first comparatively bothersome to change sampling.Must make new pattern disc or assemble new jacquard weave chain.
Thereby more and more carry out the transition in recent years and to allow at least some sley bars drive by positioning drive unit.These positioning drive unit work are relatively accurate.If determine a starting point and a displacement highway section for positioning drive unit, just can carry out desired motion from sley bar highly reliably and set about.
It is difficult that positioning drive unit directly is connected on the sley bar.Also has position problems on the one hand in some cases.It is favourable coupling together in the middle of between the motor of drive unit and the sley bar on the other hand.When rotation drives, be so especially.If rotation drives when motion and crosses a bigger angle of rotation, just can control rotation exactly and drive.Can realize rotatablely moving of motor converted to the transverse motion of sley bar in addition with a kind of like this transmission mechanism.Real as to this showing, a disk is fixed on the rotating shaft of motor or is fixed on the passing through on a transmission mechanism and the output shaft that described rotating shaft effectively is connected an of transmission mechanism, a kind of frenulum of coiling on described disk, this frenulum acts on the end of sley bar.The other end of sley bar loads the machine drawing structure by a kind of, and for example the pneumatic cylinder barrel in order to the constant pressure pressurization loads.
What people had in mind in such arrangement is, motor, says that certain angle of rotation of motor rotor is also corresponding with certain transverse motion of sley bar exactly.At this, the relation between the corner-motion of definite starting point of past and understanding motor rotor and the transverse motion of sley bar is just enough.So control motor then, make sley bar carry out desired transverse motion.
Owing to inevitably make inexactness, if pin is number bigger, when just the interval between second pin, for example crochet hook descended, this way was at first just had any problem.Be interpreted as the pin number of per inch generally at this " pin number ".Occur carrying out increasing transverse motion with sley bar for this reason.The transverse motion of the maximum possible of sley bar is big more, provides the possibility of jacquard weave big more.Yet absolute error correspondingly rises when bigger motion.This may cause first and second pins collision in certain position, and this is disadvantageous.
Summary of the invention
Task of the present invention is to be that prerequisite is created in glitch-free work in simple mode.
This task is by solving like this in the method that begins described type: sley bar is displaced in the second place with predetermined adjusting path by means of positioning drive unit, check first pin whether to be in respectively in the predetermined zone in space between a pin between second pin, and, situation if not so, just carry out correction of movement by means of detent mechanism, be in the predetermined zone up to first pin, calculate correcting value from correction of movement, and store this correcting value in order to cause position drive unit is used.
Use a kind of bringing into operation the stage in such way, so that at least one parameter to be provided to positioning drive unit, positioning drive unit can be with this parameter from dynamic(al) correction.At first with predetermined traversing path guide bar shogging in the second place.In this second place, first pin should freely pass between second pin and swing in theory.This motion just in time mid point between two second pins is carried out.First pin should not crossed tightly near second pin, to avoid the collision between unexpected first and second pins yet on the other hand.Just allow certain scope, this scope about the mid point between two second pins for example be two second intervals between the pin ± 25%.If at this moment first pin is in outside the scope of this permission and will locates them again.This location can be controlled with vision under the simplest situation, in other words setter with eye exam in the midpoint between second pin whether roughly of first pin behind the correction of movement.If this is the case, just also provide the information that will reach the required expansion of the desired second place or dwindle how many traversing paths.In order to carry out this check, at this moment can calculate a correcting value from the result of this correction of movement for the second place of all possible sley bar.Transverse motion to other correspondingly adopts this correcting value then.
Preferably carry out correction of movement at this with each step of same amount.For example setter can drive positioning drive unit with " fine setting operation ".When each fine setting, just when each operation button switch, all operate positioning drive unit, and with predetermined little highway section increment sley bar is moved along predetermined direction.The advantage that correction of movement is resolved into little highway section increment or path increment is only need count the information that just can obtain about correction of movement to the quantity of increment in principle.Can use positioning drive unit no matter be thus to transverse motion or to correction of movement, where this positioning drive unit not only " knows " the relative cradle of sley bar, and it is also known in order to take the correct second place sley bar of having proofreaied and correct in other words to carry out which type of correction of movement.At this without any need for the additional measurement measure of in the operation incipient stage, submitting necessary information.Can utilize the information source that is used for position and/or motion that just in positioning drive unit, existed originally on the contrary.
Single step preferably has the amount of 0.005 to 0.02 millimeter scope.Just single step has the amount of 1/100 millimeter scope.This is the enough meticulous resolution ratio that can generally be positioned at first pin with enough precision the mid point between second pin on the one hand.On the other hand, the big speed that must be enough to the enough necessity of energy of this single step is carried out correction of movement.
Preferably with the length of transverse motion divided by the length of proofreading and correct operation with the calculation correction amount.Just obtained similar a kind of corrected value, this corrected value is added on the output valve of transverse motion or deducts from the output valve of transverse motion, to reach the correct amount of transverse motion.
Still advantageously, at least once sley bar is positioned on the second place, this second place has the corresponding spacing in maximum sideslip path with sley bar to primary importance.If the error that draws by the transfer between motor and sley bar is linear, this control is set up corresponding correcting value with regard to being enough to for whole possible centre positions.
At this preferably, between two terminal positions sley bar is being positioned on a plurality of centre positions, and is calculating a correcting value respectively for each centre position.Error in this way from shift might not be that linear amount is set about.If the place constitutes correcting value in a plurality of centre position, just can be divided into a plurality of sections to the traversing path of maximum, and proofread and correct each section dividually.
Be preferably in from one and proofread and correct method of operation calculation correction amount and store this correcting value when changing over another method of operation.This makes can the working procedure that is configured for warp knitting machine especially simply.If be transformed into the another kind of method of operation, machine enough makes first pin correctly position with respect to second pin with regard to the correction of movement that " knowing " adopts so far so.Thereby avoid phase calibration to the current second place.The executive component that does not need to add constitutes correcting value and stores.
If carry out the displacement of sley bar and only convert the correction method of operation to, also be favourable for carrying out correction of movement with the other method of operation.Even so for example can be shifted to sley bar with the method for operation that in normal production, also adopts.Just under " reality " condition described sley bar is shifted, thereby can carries out actual correction, the correction of this reality is in operation corresponding with condition later on.
Preferably determine the correction of movement amount of a maximum, and if surpass this amount in the position of timing sley bar in the second place and just produce an error signal.Prevent that in this way setter is adjusted to positioning drive unit by the correction of mistake the position of a mistake.
Be preferably each the adjusting path of having checked storage correcting value, and the adjusting path computing of not checking gone out correcting value from the correcting value of storage.Such calculated example is as adopting a kind of interpolation method.The correcting value of storage for example can leave in the form.
Description of drawings
Explain a preferred embodiment with reference to the accompanying drawings.Accompanying drawing illustrates:
The partial schematic diagram of a warp knitting machine of Fig. 1, and
Fig. 2 is used to set forth the related schematic diagram between the motion of first pin and second pin.
The specific embodiment
In Fig. 1, just schematically has first pin 2, for example be guide pin that this first pin can be along 3 couples second pin 4-of sideslip direction crochet hook-traversing for example at the warp knitting machine 1 shown in the local diagrammatic sketch.After the end of moving along sideslip direction 3, first pin 2 and second pin 4 can also move relative to each other along the direction of double-head arrow 5, to finish knitting cycle.At this usually is that first pin, 2 relative second pins 4 are moved.
For the first all pins 2 is similarly moved, first pin 2 is fixed on the sley bar 14, this sley bar 14 guides in a guide 6.In this guide 6, be provided with a plurality of grooves that are used for sley bar 14.Yet for the reason of the understanding sley bar 14 that only draws.In fact sley bar 14 usually bearing ratio at the first many pin of first pin shown in the diverse location.Guide 6 extends on the working width of warp knitting machine basically.
Drive sley bar 14 by a kind of positioning drive unit 7, this positioning drive unit 7 has a rotation motor 8.Rotation motor 8 is connected with transmission mechanism 9, and this transmission mechanism 9 has the gearratio of 1:10 for example or 1:20.On the output shaft of transmission mechanism 9, fix a disk 10, on the circumference 11 of this disk 10, be wound with one mostly be most one the circle be with 12.Be connected with the sley bar 14 that is designed to line by connector 13 with 12, this sley bar is bearing in the guide 6 again.If positioning drive unit 7 just moves sley bar 14 along sideslip direction 3 by being with 12 to draw sley bar 14, or rather about shown in Figure 1 be left.
A resetting means 15 acts on the other end of sley bar 14, and this resetting means produces constant reset force on the whole traversing path of sley bar 14.Resetting means 15 has a pneumatic cylinder barrel 16 for this reason, wherein arranges the piston be not shown specifically, constant compression force in addition on this piston.Fix a twisted wire 17 on this piston, this twisted wire 17 is by 18 guiding of a directive wheel and connect sley bar 14.If the power of positioning drive unit 7 acts on power on the twisted wire 17 less than cylinder barrel 16,, sley bar 14 is moved right along sideslip direction about shown in Figure 1.
The gearratio of transmission mechanism 9 is known.Be known that the radius of disk 10 equally.Correspondingly be each angle increment that sley bar 14 is passed by corresponding to motor 8 along certain highway section that sideslip direction 3 moves.If know make first pin 2, just sley bar 14 a displacement transverse motion " X " (see figure 2)s, just should operate anchor drive 7 in this wise, make disk 10 turn over one and the corresponding angle increment of described transverse motion X.Positioning drive unit has controller 19 for this reason, and this controller 19 is CD-ROM drive motor 8 not only, and feedback ground also obtains the information about the position, angle of the rotor of motor 8.
Because the inaccuracy of creating conditions, the very little degree of eccentricity the when diameter deviation of disk 10 or supporting disk 10 for example, will occur disk 10 around rotation angle increment not just with should be with so that to have the transverse motion X of sley bar 14 motions of first pin 2 corresponding.For this is proofreaied and correct, when the operation beginning as should by means of the illustrated ground of Fig. 2, acting.
Can see that in Fig. 2 first pin 2 is in primary importance P1.In this primary importance P1, first pin 2 can move by being between the pin between second pin 4 space 20.Not only be interpreted as it is two second zones between the pin 4 just in this " space between pin " 20, but also be interpreted as the zone at second pin, 4 the place aheads and rear.
Just, the setter that brings into operation at first is positioned at the midpoint of first pin 2 between two second pins 4 between pin in the space 20.The inspection that whether is in the mid point between second pin 4 for first pin 2 can be carried out with vision fully.The position P1 of Tiao Jieing is stored in the control device 19 as primary importance or stores in the main control unit (the at length not illustrating) higher level, that be connected with control device 19 like this.Make first pin 2 traversing along sideslip direction 3 with desired transverse motion X then.First pin is among the second place P2 then.Because the inaccuracy and the fallibility of above explanation, may occur first pin 2 in the P2 of position with one second pin 4 lean on tension.This may cause the collision between first pin 2 and second pin 4 at the volley.For example people can be defined as bouds on error to 25% of the spacing between second pin 4.If 2 pairs of next second pins 4 of first pin have less than 1/4th spacing corresponding to the spacing between second pin 4, second place P2 is exactly unacceptable so, and must proofread and correct.
Transverse motion X can be by normal operating mode, for example undertaken by the method for operation " automatically ", just as sley bar 14 motion that is in operation.This draws the realistic simulation for a kind of running status to a great extent.
If setter determines that the position P2 that is reached is unacceptable, he just switches to the correction method of operation.In proofreading and correct the method for operation, operate positioning drive unit 7 by " fine setting operation ".When each fine setting, use that be provided with, that be not shown specifically in the drawings for this reason action button to make little path increment of sley bar 4 motions, for example 1/100 millimeter.Setter sends the transverse motion of a plurality of like this sley bars 14 by 1/100 millimeter by " fine setting motion ": up to first pin 2 midpoint in the space between the pin between second pin 4 again.This for example first pin 2 return a highway section dX, thereby be among the position P2 ' of a correction.
Primary importance P1 and second place P2 are in the place, two ends in the traversing path of sley bar 14 maximum possible in the simplest mode.Described highway section X can have 150 to 250 millimeters length at this.Certainly unnecessary always utilize so traversing.Traversing in this maximum accordingly roughly less than the girth of disk 10.
If, just can constitute correcting value, and this merchant is stored as correcting value by draw the merchant by transverse motion dX/X from being constant from the error of motor 8 during to sley bar 14 transmission campaigns.If positioning drive unit 7 has obtained making by transverse motion Y the task of sley bar 14 displacement then, at first this amount Y once is corrected to the amount Y ' that has proofreaied and correct, wherein
Certainly should draw the amount dx that has correct symbol before this, in other words in order to draw the position Y ' that has proofreaied and correct, according to the error that draws or add or deduct corrected value based on correcting value.
Certainly also possible is, not only in the corresponding correction of two enterprising line position P2 of terminal position in traversing path, but also carries out on a large amount of centre positions.The quantity in centre position also depends on the circumstances.Under opposite extreme situations, can be provided with centre positions many as space 20 between the pin that exists in the maximum sideslip path.Because this is about 140 centre positions when the maximum sideslip path of 24 plane No. and 150 millimeters, and is usually not bothersome like this, but only carries out corresponding second place check between per ten pins in the space.
Even under the simplest situation by from proofreading and correct the method for operation and be transferred to again other the method for operation-for example when sley bar 14 is normally moved, also be in operation the motion mode " automatically " that adopts-the carry out storage of correcting value.
At this moment, if when surpassing described amount during the position of in second place P2, proofreading and correct sley bar, just can define the maximum and the generation error signal of correction of movement.Can prevent that thus setter from by mistake advancing first pin 2 location between " mistake " pin in the space.
As mentioned above, can be to many second place P2, just to corresponding many adjustings path storage correcting value.That is to say if should carry out transverse motion by such adjusting path, how working control motor 8 is to produce the transverse motion of this sley bar 14 with regard to " knowing " for control device 19.Can for example draw correcting value from the correcting value of storing for the adjusting path of not checking by interpolation method.
Claims (10)
1. be used to method that a warp knitting machine is brought into operation, this warp knitting machine has a sley bar that has first pin at least, this sley bar can be shifted along sideslip direction with respect to a carriage that has second pin by a positioning drive unit, described positioning drive unit has a rotation motor and a transmission mechanism, can be displaced to sley bar in the primary importance with this transmission mechanism, first pin is between pin between second pin in the space in this primary importance, and store this primary importance, it is characterized in that, sley bar is displaced in the second place with predetermined adjusting path by means of positioning drive unit, check first pin whether to be in respectively in the predetermined zone in space between pin between second pin, and situation if not so, just carry out a kind of correction of movement by means of detent mechanism, be in the predetermined zone up to first pin, calculate correcting value from this correction of movement, and store this correcting value in order to cause position drive unit is used.
2. the method for claim 1 is characterized in that, carries out correction of movement with each onesize single stepping amount.
3. method as claimed in claim 2 is characterized in that, the scope of described single stepping amount is 0.005 to 0.02 millimeter.
4. the method for claim 1 is characterized in that, with the length of transverse motion divided by the length of proofreading and correct operation with the calculation correction amount.
5. the method for claim 1 is characterized in that, at least once sley bar is positioned on the second place, and this second place has the corresponding spacing in maximum sideslip path with sley bar to primary importance.
6. method as claimed in claim 5 is characterized in that, between two terminal positions sley bar is being positioned on a plurality of centre positions, and is calculating a correcting value respectively for each centre position.
7. the method for claim 1 is characterized in that, calculates and store described correcting value by changing over a production run mode from a correction method of operation.
8. method as claimed in claim 7 is characterized in that, carries out the displacement of sley bar in the production run mode, and only switches to the correction method of operation for carrying out correction of movement.
9. the method for claim 1 is characterized in that, determines the correction of movement amount of a maximum, and if just produce an error signal above this amount in the second place when proofreading and correct the position of sley bar.
10. the method for claim 1 is characterized in that, for storing correcting value respectively in each adjusting path of having checked, and from the correcting value of storage the adjusting path that not have to check is drawn correcting value respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10342843.7 | 2003-09-17 | ||
| DE10342843A DE10342843B4 (en) | 2003-09-17 | 2003-09-17 | Method of commissioning a warp knitting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598111A CN1598111A (en) | 2005-03-23 |
| CN100507117C true CN100507117C (en) | 2009-07-01 |
Family
ID=34177786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100787723A Expired - Fee Related CN100507117C (en) | 2003-09-17 | 2004-09-17 | Method for setting up a warp knitting machine |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1516950A1 (en) |
| JP (1) | JP3978204B2 (en) |
| KR (1) | KR100572020B1 (en) |
| CN (1) | CN100507117C (en) |
| DE (1) | DE10342843B4 (en) |
| TW (1) | TWI266817B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200652A (en) * | 2015-10-27 | 2015-12-30 | 江苏润源控股集团有限公司 | Swing mechanism of warp knitting machine stripping comb transversal movement assembly |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2615197A1 (en) * | 2012-01-10 | 2013-07-17 | Karl Mayer Textilmaschinenfabrik GmbH | Position bar assembly for a knitwear machine |
| EP3476990B1 (en) * | 2017-10-25 | 2021-05-05 | KARL MAYER STOLL R&D GmbH | Guide bar drive of a warp knitting machine and guide bar assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1445374A (en) * | 1973-02-26 | 1976-08-11 | Sigma Instruments Inc | Selective positioning system particularly for onctrolling guide bars of knitting machines |
| GB8406570D0 (en) * | 1984-03-13 | 1984-04-18 | Guildford Kapwood Ltd | Operating warp knitting machines |
| DE3734072A1 (en) * | 1987-10-08 | 1989-04-27 | Liba Maschf | CHAINING MACHINE WITH ADJUSTABLE STEPPING MOTORS |
| DE4127344A1 (en) * | 1991-08-19 | 1993-02-25 | Mayer Textilmaschf | Warp knitting machine with at least one laying bar |
| DE19938871C1 (en) * | 1999-08-17 | 2001-05-10 | Mayer Textilmaschf | Warp knitting machine |
| DE10243398B4 (en) * | 2001-09-20 | 2009-02-26 | Cetex Institut für Textil- und Verarbeitungsmaschinen gemeinnützige GmbH | Drive device for an occupied with knitting tools barre a knitting machine |
-
2003
- 2003-09-17 DE DE10342843A patent/DE10342843B4/en not_active Expired - Fee Related
-
2004
- 2004-06-23 EP EP04014690A patent/EP1516950A1/en not_active Withdrawn
- 2004-07-14 KR KR1020040054691A patent/KR100572020B1/en not_active IP Right Cessation
- 2004-09-14 TW TW093127770A patent/TWI266817B/en active
- 2004-09-16 JP JP2004269861A patent/JP3978204B2/en not_active Expired - Lifetime
- 2004-09-17 CN CNB2004100787723A patent/CN100507117C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200652A (en) * | 2015-10-27 | 2015-12-30 | 江苏润源控股集团有限公司 | Swing mechanism of warp knitting machine stripping comb transversal movement assembly |
| CN105200652B (en) * | 2015-10-27 | 2017-04-05 | 江苏润源控股集团有限公司 | A kind of swing mechanism for the traversing component of guide bar of warp knitting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100572020B1 (en) | 2006-04-17 |
| CN1598111A (en) | 2005-03-23 |
| JP2005089956A (en) | 2005-04-07 |
| TW200523417A (en) | 2005-07-16 |
| EP1516950A1 (en) | 2005-03-23 |
| DE10342843A1 (en) | 2005-04-21 |
| DE10342843B4 (en) | 2005-09-15 |
| KR20050028299A (en) | 2005-03-22 |
| TWI266817B (en) | 2006-11-21 |
| JP3978204B2 (en) | 2007-09-19 |
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| CF01 | Termination of patent right due to non-payment of annual fee |