CN103320949A - Reverse pick finding method not needing reverse motion of shedding mechanism - Google Patents
Reverse pick finding method not needing reverse motion of shedding mechanism Download PDFInfo
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- CN103320949A CN103320949A CN2012100750422A CN201210075042A CN103320949A CN 103320949 A CN103320949 A CN 103320949A CN 2012100750422 A CN2012100750422 A CN 2012100750422A CN 201210075042 A CN201210075042 A CN 201210075042A CN 103320949 A CN103320949 A CN 103320949A
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Abstract
The invention discloses a reverse pick finding method not needing reverse motion of a shedding mechanism. A circulatory reversible counter for outputting the present shed serial number to the shedding mechanism is pre-arranged to enable the shedding mechanism to take the corresponding clippy data according to the present shed serial number so as to control the lifting of warp yarns; metering pulses from the operation turn pulses of the shedding mechanism are input into a metering pulse input port of the circulatory reversible counter; a control signal capable of conducting high-level and low-level conversion is exerted on an add/subtraction control port of the circulatory reversible counter and provided by a loom electrical control unit; therefore, two fabric manufacture modes in positive sequence and negative sequence of jacquard flower patterns can be carried out; however, in the negative-sequence fabric manufacture mode, warp and weft interweaving can not be formed because weft yarns are prevented from being introduced into a fell, and progressive decrease and backspacing of the shedding serial number are realized to form reverse pick finding. The reverse pick finding method does not need reverse motion of the shedding mechanism, thereby providing convenience for simplifying loom machinery and an electrical control structure.
Description
Technical field
The present invention relates to a kind of latitude method of seeking of shedding mechanism of weaving machine, particularly relate to a kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion for Rapier looms.
Background technology
The shedding mechanism of loom, groundwork are that warp thread is separately formed up and down shed open, thereby can guarantee the introducing of weft yarn.Shedding mechanism drives warp thread to be changed up and down, and cooperates the introducing formation longitude and latitude of weft yarn to interweave, and forms the fabric that we need.
Fig. 1 is for normally weaving the opening weaving diagram, and as shown in Figure 1, the arrow of M1 line represents to weave the rotation direction with loom, and 0 degree position of shedding mechanism is exactly the position that interweaves of remaining silent of levels warp thread, i.e. alleged " the flat position of combining " of industry; 180 degree positions of shedding mechanism are exactly the opening maximum position of levels warp thread, also are the data transformation positions which kind of line pin opening next shuttle does.
The line tissue of fabric realized by the lifting of shedding mechanism control warp thread, and the patterns of fabric control of shedding mechanism has following two kinds of forms usually.
The first is mechanical type or photo-electric type:
The patterns of fabric data is generally at every row diverse location and beats round-meshed multirow line millboard, and line number represents to finish this fabric tissue needed opening number of transitions that circulates, and is also referred to as wefting insertion shuttle number.
By the position, hole on the machinery in the shedding mechanism or the photo-electric type inductive probe induction line version, controlling which warp thread of fabric needs lifting, thereby driving device or electromagnetic actuator form different shed opens.Whenever finish weaving of a contracting, then the line millboard is just forwarding next line to, and providing next time, opening will carry out woven line pin data.
The second is electronic type:
Substituted the line millboard by computer program.The line number of line millboard becomes the opening sequence number.Transfer corresponding line pin data according to the opening sequence number, the line output of going forward side by side drives, and controlling which warp thread needs lifting, thereby forms different shed opens.
Punching cardboard or paper tape that the line of computer program form is knitted data and the use of mechanical openings mechanism are referred to as " line self-figure version ".
The staplings of prior art is sought the latitude mode:
The control principle of electronic cutting mouth mechanism is that succession develops on the basis of former machinery/photoelectricity shedding mechanism, substantially on the principle of seeking latitude at staplings and the step adopts identical method.
Fig. 2 is that the shedding mechanism of prior art is sought latitude mode schematic diagram, and as shown in Figure 2, the arrow of M2 line represents the rotation direction of shedding mechanism, is that " staplings " occured for 35 fell place in the fell sequence number in supposing normally to weave, and loom can be because of the staplings Brake stop.Because inertia, it is 36 fell place that the position that usually is parked in next shed open of stopping is namely stopped to the fell sequence number.The float that produces in order to repair staplings, loom will be reversed or the sword head of just transferring the possession of Rapier looms withdraws from shed open, subsequently shedding mechanism counter-rotating, and the line millboard rollback of driving mechanical or photoelectricity shedding mechanism turns back to the position (the 35th row of line millboard) of staplings.Electronic shedding device then is according to the reversing state, allows the fell sequence number return back to the position of the 35th fell, and namely " current colored type memory location " is returned to the position of staplings.In the M line, the A segment table shows normally to be weaved the stage, and the B segment table shows that latitude stops the brake stage, and the C segment table shows that the sword head withdraws from the stage, and the D segment table shows that counter-rotating falls shuttle and seek the latitude stage, and the E segment table shows that seeking latitude finishes, and start is weaved again.
This shows, the staplings of prior art is sought latitude side and is relied on or identify the shedding mechanism upside-down motion could realize.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, a kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion is provided, thereby can facilitate for simplifying loom machinery and electric control structure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion comprises:
Shedding mechanism presets a circulating and reversible counter that is used for exporting to shedding mechanism current shed open sequence number, so that can be transferred corresponding line pin data according to this current shed open sequence number, the lifting of control warp thread;
To the count pulse input port input count pulse of circulating and reversible counter, this count pulse comes from the pulse of the shedding mechanism running number of turns;
Apply the control signal that can carry out high level, low level conversion at the adding of circulating and reversible counter/down control port, this control signal is provided by the loom ECU;
When this add/when the down control port is low level, the circulating and reversible counter is realized add operation, when count pulse arrives, the circulating and reversible Counter Value increases 1 rear output, increase progressively state so that be to the current shed open sequence number of shedding mechanism output, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number that increases progressively, the lifting of control warp thread;
When this add/when the down control port is high level, the circulating and reversible counter is realized subtraction, when count pulse arrives, the circulating and reversible Counter Value subtracts 1 rear output, so that to the current shed open sequence number of the shedding mechanism output state that tapers off, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number of successively decreasing, the lifting of control warp thread.
Further, also be included in and preset on the circulating and reversible counter that a circulation maximum arranges port and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can add/effect of down control port control signal under, when count pulse arrives, in maximum and minimum of a value scope, circulation is to the current shed open sequence number to shedding mechanism output increasing or decreasing.
Further, also comprise the signal when gathering the brake of loom staplings comes to a complete stop, and the signal the when brake of this loom staplings come to a complete stop removes to trigger the loom ECU as triggering signal, making the loom ECU is high level signal to the control signal that the adding of circulating and reversible counter/the down control port applies, simultaneously, also comprise the signal when gathering loom staplings brake beginning, and the signal during with this loom staplings brake beginning removes to trigger the loom ECU as triggering signal, make the loom ECU select latitude controlling organization output control signal to loom, allow loom select the latitude controlling organization to forbid the weft yarn introducing.
A kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion of the present invention is that a kind of shedding mechanism of weaving machine that is applicable to the Electronic Control form is oppositely sought the latitude control program.The fell sequence number memory of shedding mechanism is set to the circulating and reversible counter mode.The fell sequence number is used for transferring the line pin data of corresponding opening, controls the lifting of selected warp thread.The count pulse of circulating and reversible counter, then the running number of turns pulse by shedding mechanism provides; The plus-minus mode of operation of counter is controlled by the loom ECU.Can carry out thus positive sequence and two kinds of weave patterns of inverted order of line self-figure version.
In the inverted order weave patterns, interweave by stoping weft yarn introducing fell can't form longitude and latitude, the rollback that successively decreases of realization opening sequence number forms oppositely seeks latitude.Thereby in the situation that need not the shedding mechanism return motion, that realizes loom oppositely seeks the latitude function.
Shedding mechanism the invention has the beneficial effects as follows, preset a circulating and reversible counter that is used for exporting to shedding mechanism current shed open sequence number owing to having adopted, so that can be transferred corresponding line pin data according to this current shed open sequence number, the lifting of control warp thread; And to the count pulse input port input count pulse of circulating and reversible counter, this count pulse comes from the pulse of the shedding mechanism running number of turns; Then apply the control signal that can carry out high level, low level conversion at the adding of circulating and reversible counter/down control port, this control signal is provided by the loom ECU; Can carry out thus positive sequence and two kinds of weave patterns of inverted order of line self-figure version; And in the inverted order weave patterns, interweave by stoping weft yarn introducing fell can't form longitude and latitude, the rollback that successively decreases of realization opening sequence number forms oppositely seeks latitude.This latitude mode of oppositely seeking need not the shedding mechanism return motion, thereby can facilitate for simplifying loom machinery and electric control structure.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of latitude method of oppositely seeking of shedding mechanism return motion that do not need of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is for normally weaving the opening weaving diagram;
Fig. 2 is that the shedding mechanism of prior art is sought latitude mode schematic diagram;
Fig. 3 is the organigram of circulating and reversible counter of the present invention;
Fig. 4 is the sequential schematic diagram of circulating and reversible counter port of the present invention;
Fig. 5 is that the positive sequence in the opening control model of the present invention is weaved and the woven schematic diagram of inverted sequence;
Fig. 6 is the schematic diagram that the opening controlling mechanism of latitude is oppositely sought in realization of the present invention;
Fig. 7 is the schematic diagram that staplings of the present invention is sought the latitude control model.
The specific embodiment
Embodiment,
A kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion of the present invention comprises:
Shedding mechanism presets a circulating and reversible counter that is used for exporting to shedding mechanism current shed open sequence number, so that can be transferred corresponding line pin data according to this current shed open sequence number, the lifting of control warp thread;
To the count pulse input port input count pulse of circulating and reversible counter, this count pulse comes from the pulse of the shedding mechanism running number of turns;
Apply the control signal that can carry out high level, low level conversion at the adding of circulating and reversible counter/down control port, this control signal is provided by the loom ECU;
When this add/when the down control port is low level, the circulating and reversible counter is realized add operation, when count pulse arrives, the circulating and reversible Counter Value increases 1 rear output, increase progressively state so that be to the current shed open sequence number of shedding mechanism output, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number that increases progressively, the lifting of control warp thread;
When this add/when the down control port is high level, the circulating and reversible counter is realized subtraction, when count pulse arrives, the circulating and reversible Counter Value subtracts 1 rear output, so that to the current shed open sequence number of the shedding mechanism output state that tapers off, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number of successively decreasing, the lifting of control warp thread.
Further, also be included in and preset on the circulating and reversible counter that a circulation maximum arranges port and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can add/effect of down control port control signal under, when count pulse arrives, in maximum and minimum of a value scope, circulation is to the current shed open sequence number to shedding mechanism output increasing or decreasing.
Further, also comprise the signal when gathering the brake of loom staplings comes to a complete stop, and the signal the when brake of this loom staplings come to a complete stop removes to trigger the loom ECU as triggering signal, making the loom ECU is high level signal to the control signal that the adding of circulating and reversible counter/the down control port applies, simultaneously, also comprise the signal when gathering loom staplings brake beginning, and the signal during with this loom staplings brake beginning removes to trigger the loom ECU as triggering signal, make the loom ECU select latitude controlling organization output control signal to loom, allow loom select the latitude controlling organization to forbid the weft yarn introducing.
Referring to Fig. 3, shown in Figure 4,
This circulating and reversible counter 10 comprises count pulse input port 11, adds/down control port one 2, the circulation maximum arranges port one 3, the circulation minimum of a value arranges port one 4 and count value output port 15; Count pulse input port 11 input count pulses, this count pulse come from the pulse of the shedding mechanism running number of turns; Add/down control port one 2 applies the control signal that can carry out high level, low level conversion, and this control signal is provided by the loom ECU; The circulation maximum arranges port one 3 and is used for inputting maximum; The circulation minimum of a value arranges port one 4 and is used for inputting minimum of a value, does plus coujnt when the rolling counters forward value, after count value is incremented to the maximum of setting, automatically reverts to the minimum of a value of setting; Do the subtraction counting when counter, after count value is decremented to the minimum of a value of setting, automatically revert to the maximum of setting.The current count value of the current forward-backward counter of count value output port 15 outputs in fact also is to export current shed open sequence number to shedding mechanism.
For the shedding mechanism of loom: loom rotates a circle, the shedding mechanism reciprocating motion once, namely shed open opens and closes once.When rotating a circle, loom forms a pulse, and this signal is input to forward-backward counter, and when the minimum of a value of circulating and reversible counter and maximum were defined as respectively the initial row of line self-figure version and end up row, then the output valve of forward-backward counter was " the current shed open sequence number " of shedding mechanism.
By the loom ECU the adding of circulating and reversible counter 10/down control port one 2 is controlled.Then can occur as shown in Figure 5 two in weave form.
When add/during the signal of down control port one 2=0, namely add/down control port one 2 is low level;
" current shed open sequence number " with the shedding mechanism running number of turns increasing progressively and " increasing progressively ", " positive sequence is weaved " that be woven as line self-figure version under this state.
When add/during the signal of down control port one 2=1, namely add/down control port one 2 is high level;
" current shed open sequence number " with the shedding mechanism running number of turns increasing progressively and " successively decreasing " (dropping to 33 by 35 such as the shed open sequence number) is woven as line self-figure version " inverted order is weaved " under this state.
Clearly: " positive sequence is weaved " and " inverted order is weaved " is all irrelevant with turning to of shedding mechanism, and only relevant with the state of the adding of circulating and reversible counter 10/down control port one 2.
If " inverted order weaves that " in the process, manage to stop the introducing fell of weft yarn, " inverted order is weaved " just can't be because of the longitude and latitude formation fabric that interweaves at a slow speed at shedding mechanism." inverted order is weaved " process of then introducing without weft yarn, the process that the shuttle that falls is exactly sought latitude.
Referring to shown in Figure 6, this be one complete, can normally weave and need not the opening controlling mechanism that latitude can be oppositely sought in shedding mechanism counter-rotating.
This opening controlling mechanism comprises:
Current shed open serial number register adopts the circulating and reversible counter mode;
The minimum and maximum value of circulating and reversible counter is respectively the initial sum cutoff of line self-figure version;
The pulse input end signal of circulating and reversible counter, from the turning collar rapid pulse punching of shedding mechanism, and revolution 1 circle produces 1 pulse;
Adding/the down control port signal of circulating and reversible counter, come from the loom ECU, and positive sequence is weaved or inverted order is weaved for controlling;
The output valve of circulating and reversible counter, for the line pin data of transferring corresponding sequence number, the needle selection lifting of control warp thread;
The loom ECU provides one " weft yarn introducing inhibit signal ", allows loom select the latitude controlling organization to forbid the weft yarn introducing, has weft yarn to introduce fell when preventing the shedding mechanism motion.
Further specify above-mentioned shedding mechanism control below in conjunction with Fig. 7 and normally weave the process of seeking latitude with staplings; The arrow of M3 line represents operating condition and the direction of motion of shedding mechanism;
F section: normal weaving process;
The loom ECU offer add/control signal of down control port one 2 is low level, i.e. " adding/the decontrol signal of forward-backward counter "=0, shedding mechanism is in positive sequence and weaves;
It is low level that the loom ECU selects latitude controlling organization output control signal to loom, " weft yarn introducing inhibit signal "=0 that namely provides, and this state is to allow weft yarn to introduce;
In loom running this moment, Weaving shed sequence number increases progressively along with the increase of the running number of turns, is normal weaving process.
The G section: latitude stops brake process;
Suppose when opening sequence number 35, to occur staplings.Because inertia, the brake stop position can be in the position of next shed open.
In the original position of brake, it is high level that the loom ECU selects latitude controlling organization output control signal to loom, and " weft yarn introducing inhibit signal "=1 that namely provides is to forbid the weft yarn introducing;
In the position of coming to a complete stop of brake, the loom ECU offer add/control signal of down control port one 2 is high level, and " adding/the decontrol signal of forward-backward counter "=1 namely is provided, form inverted order and weave;
H section: oppositely seek the latitude process
Shedding mechanism is forward at a slow speed;
The loom ECU offer add/control signal of down control port one 2 is high level, " adding/the decontrol signal of forward-backward counter "=1 that namely provides is that inverted order is weaved;
It is high level that the loom ECU selects latitude controlling organization output control signal to loom, and the weft yarn introducing is forbidden in " weft yarn introducing inhibit signal "=1 that namely provides;
In this process, during shed open sequence number change location by this shed open 180 degree, owing to being in " inverted order is weaved " state, the shed open sequence number is decremented to 34 from 35 of staplings.Owing to there not being the introducing of weft yarn, can not forming longitude and latitude and interweave in this process.
The fell sequence number successively decrease finish after, loom stops in the position of operator regulation.At this moment
The loom ECU offer add/control signal of down control port one 2 transfers low level to, " the adding/the decontrol signal of forward-backward counter " that namely provide is transformed to 0, positive sequence is weaved;
It is low level that the loom ECU selects latitude controlling organization output control signal to loom, and " the weft yarn introducing inhibit signal " conversion 0 that namely provides allows weft yarn to introduce;
Loom returns to normal positive sequence weaving state, and the fell that will open is that the sequence number of staplings is 35 fell, and loom is sought latitude work and finished.
I section: reenter normal weaving process;
Can see thus under this opening control model, no matter normally weaving, still oppositely seek latitude, only carry out one-way movement and just can finish.Because loom mustn't be wanted Bidirectional driving and Bidirectional driving control, will create conditions for the optimization of loom structure and control mode.
Above-described embodiment only is used for further specifying a kind of latitude method of oppositely seeking that does not need the shedding mechanism return motion of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection domain of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (3)
1. latitude method of oppositely seeking that does not need the shedding mechanism return motion is characterized in that: comprising:
Shedding mechanism presets a circulating and reversible counter that is used for exporting to shedding mechanism current shed open sequence number, so that can be transferred corresponding line pin data according to this current shed open sequence number, the lifting of control warp thread;
To the count pulse input port input count pulse of circulating and reversible counter, this count pulse comes from the pulse of the shedding mechanism running number of turns;
Apply the control signal that can carry out high level, low level conversion at the adding of circulating and reversible counter/down control port, this control signal is provided by the loom ECU;
When this add/when the down control port is low level, the circulating and reversible counter is realized add operation, when count pulse arrives, the circulating and reversible Counter Value increases 1 rear output, increase progressively state so that be to the current shed open sequence number of shedding mechanism output, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number that increases progressively, the lifting of control warp thread;
When this add/when the down control port is high level, the circulating and reversible counter is realized subtraction, when count pulse arrives, the circulating and reversible Counter Value subtracts 1 rear output, so that to the current shed open sequence number of the shedding mechanism output state that tapers off, shedding mechanism is transferred corresponding line pin data according to the current shed open sequence number of successively decreasing, the lifting of control warp thread.
2. the latitude method of oppositely seeking that does not need the shedding mechanism return motion according to claim 1, it is characterized in that: further, also be included in and preset on the circulating and reversible counter that a circulation maximum arranges port and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can add/effect of down control port control signal under, when count pulse arrives, in maximum and minimum of a value scope, circulation is to the current shed open sequence number to shedding mechanism output increasing or decreasing.
3. the latitude method of oppositely seeking that does not need the shedding mechanism return motion according to claim 2, it is characterized in that: further, also comprise the signal when gathering the brake of loom staplings comes to a complete stop, and the signal the when brake of this loom staplings come to a complete stop removes to trigger the loom ECU as triggering signal, making the loom ECU is high level signal to the control signal that the adding of circulating and reversible counter/the down control port applies, simultaneously, also comprise the signal when gathering loom staplings brake beginning, and the signal during with this loom staplings brake beginning removes to trigger the loom ECU as triggering signal, make the loom ECU select latitude controlling organization output control signal to loom, allow loom select the latitude controlling organization to forbid the weft yarn introducing.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103710827A (en) * | 2013-12-11 | 2014-04-09 | 杭州创兴织造设备科技有限公司 | Process for handling shutdown of weaving machine due to weft breaking |
| CN104153108A (en) * | 2013-11-20 | 2014-11-19 | 江苏友诚数控科技有限公司 | Pick finding mechanism for loom |
| CN104153107A (en) * | 2013-11-20 | 2014-11-19 | 江苏友诚数控科技有限公司 | Pick finding method for loom |
| CN104178891A (en) * | 2013-11-20 | 2014-12-03 | 江苏友诚数控科技有限公司 | Numerical control weft finding mechanism |
| CN105297236A (en) * | 2015-10-30 | 2016-02-03 | 浙江康立自控科技有限公司 | Reverse weft finding control method for weaving machine |
| CN114808249A (en) * | 2021-10-22 | 2022-07-29 | 浙江中自机电控制技术有限公司 | Method for forward and reverse weft finding of weaving machine and electric control system |
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| CN104153108A (en) * | 2013-11-20 | 2014-11-19 | 江苏友诚数控科技有限公司 | Pick finding mechanism for loom |
| CN104153107A (en) * | 2013-11-20 | 2014-11-19 | 江苏友诚数控科技有限公司 | Pick finding method for loom |
| CN104178891A (en) * | 2013-11-20 | 2014-12-03 | 江苏友诚数控科技有限公司 | Numerical control weft finding mechanism |
| CN104178891B (en) * | 2013-11-20 | 2015-07-22 | 江苏友诚数控科技有限公司 | Numerical control weft finding mechanism |
| CN104153108B (en) * | 2013-11-20 | 2015-09-30 | 江苏友诚数控科技有限公司 | A kind of loom Zhao Wei mechanism |
| CN104153107B (en) * | 2013-11-20 | 2016-01-20 | 江苏友诚数控科技有限公司 | Latitude method looked for by a kind of loom |
| CN103710827A (en) * | 2013-12-11 | 2014-04-09 | 杭州创兴织造设备科技有限公司 | Process for handling shutdown of weaving machine due to weft breaking |
| CN105297236A (en) * | 2015-10-30 | 2016-02-03 | 浙江康立自控科技有限公司 | Reverse weft finding control method for weaving machine |
| CN105297236B (en) * | 2015-10-30 | 2017-03-22 | 浙江康立自控科技有限公司 | Reverse weft finding control method for weaving machine |
| CN114808249A (en) * | 2021-10-22 | 2022-07-29 | 浙江中自机电控制技术有限公司 | Method for forward and reverse weft finding of weaving machine and electric control system |
| CN114808249B (en) * | 2021-10-22 | 2023-04-28 | 浙江中自机电控制技术有限公司 | Method for forward and reverse weft finding of loom and electric control system |
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