CN103320949B - A kind of do not need shedding mechanism return motion oppositely seek latitude method - Google Patents
A kind of do not need shedding mechanism return motion oppositely seek latitude method Download PDFInfo
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- CN103320949B CN103320949B CN201210075042.2A CN201210075042A CN103320949B CN 103320949 B CN103320949 B CN 103320949B CN 201210075042 A CN201210075042 A CN 201210075042A CN 103320949 B CN103320949 B CN 103320949B
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Abstract
The invention discloses a kind of do not need shedding mechanism return motion oppositely seek latitude method, it is a preset circulating and reversible counter being used for exporting to shedding mechanism current shed open sequence number, to make shedding mechanism can according to this current shed open sequence number, transfer corresponding line pin data, control the lifting of 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 at the plus/minus control port of circulating and reversible counter the control signal that can be carried out high level, low level conversion, this control signal is provided by loom ECU; Positive sequence and inverted order two kinds of weave patterns of line self-figure version can be carried out thus; And in inverted order weave patterns, introduce fell by stoping weft yarn and cannot form longitude and latitude intertexture, the rollback that successively decreases realizing opening sequence number is formed oppositely seeks latitude.Thisly oppositely seek latitude mode, without the need to shedding mechanism return motion, thus can for simplifying loom machinery and electric control structure provide facility.
Description
Technical field
What the present invention relates to a kind of shedding mechanism of weaving machine seeks latitude method, particularly relate to a kind of for Rapier looms do not need shedding mechanism return motion oppositely seek latitude method.
Background technology
The shedding mechanism of loom, groundwork is that warp thread is separately formed shed open up and down, thus can ensure the introducing of weft yarn.Shedding mechanism drives warp thread to change up and down, and coordinates the introducing of weft yarn to form longitude and latitude intertexture, forms the fabric that we need.
Fig. 1 is for normally to weave opening weaving diagram, and as shown in Figure 1, the arrow of M1 line represents the rotation direction weaved with loom, 0 degree of position of shedding mechanism, is exactly the intertexture position of remaining silent of levels warp thread, " flat comprehensive position " namely alleged by industry; 180 degree of positions of shedding mechanism are exactly the opening maximum position of levels warp thread, are also the data transformation positions which kind of line pin opening next shuttle does.
The lifting that the line tissue of fabric controls warp thread by shedding mechanism realizes, and the patterns of fabric of shedding mechanism controls, and usually has following two kinds of forms.
The first is mechanical type or photo-electric type:
Patterns of fabric data is generally beats round-meshed multirow line millboard at every row diverse location, and line number has represented the opening number of transitions required for the circulation of this fabric tissue, also referred to as wefting insertion shuttle number.
Responded to the position, hole in line version by the machinery in shedding mechanism or photo-electric type inductive probe, controlling which warp thread of fabric needs lifting, thus driving device or electromagnetic actuator form different shed opens.Often complete weaving of a contracting, then line millboard just forwards next line to, provides opening next time and will carry out woven line pin data.
The second is electronic type:
Line millboard is instead of by computer program.The line number of line millboard, becomes opening sequence number.Transfer corresponding line pin data according to opening sequence number, and carry out output driving, controlling which warp thread needs lifting, thus forms different shed opens.
The line of computer program form knits punching cardboard that data and mechanical openings mechanism use or paper tape is referred to as " line self-figure version ".
The staplings of prior art seeks latitude mode:
The control principle of electronic cutting mouth mechanism passes on to develop on the basis of former machinery/photoelectricity shedding mechanism, and the principle of seeking latitude at staplings adopts identical method with basic in step.
Fig. 2 is that latitude mode schematic diagram sought by the shedding mechanism of prior art, and as shown in Figure 2, the arrow of M2 line represents the rotation direction of shedding mechanism, and suppose that the fell place being 35 in fell sequence number in normally weaving there occurs " staplings ", loom can because of staplings Brake stop.Due to inertia, the position that is usually parked in next shed open of stopping namely stop to fell sequence number be 36 fell place.In order to repair the float that staplings produces, loom will reverse or the sword head of just transferring the possession of Rapier looms exits shed open, and shedding mechanism reversion subsequently, 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 is then according to turned upside down, allows fell sequence number return back to the position of the 35th fell, and namely " current flower pattern memory location " is returned to the position of staplings.In M line, A segment table shows normal weaving phase, and B segment table shows that latitude stops the brake stage, and C segment table shows that sword head exits the stage, and D segment table shows that the latitude stage sought by the shuttle that reverses, and E segment table shows that seeking latitude completes, and start is weaved again.
As can be seen here, the staplings of prior art is sought latitude side and is relied on or identify that shedding mechanism upside-down motion could realize.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, provide a kind of do not need shedding mechanism return motion oppositely seek latitude method, thus can for simplifying loom machinery and electric control structure provide facility.
The technical solution adopted for the present invention to solve the technical problems is: a kind of do not need shedding mechanism return motion oppositely seek latitude method, comprising:
A preset circulating and reversible counter being used for exporting to shedding mechanism current shed open sequence number, to make shedding mechanism according to this current shed open sequence number, can transfer corresponding line pin data, controls the lifting of 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 at the plus/minus control port of circulating and reversible counter the control signal that can be carried out high level, low level conversion, this control signal is provided by loom ECU;
When this plus/minus control port is low level, circulating and reversible counter realizes add operation, when count pulse arrives, circulating and reversible Counter Value exports after increasing 1, make the current shed open sequence number exported to shedding mechanism in increasing progressively state, shedding mechanism, according to the current shed open sequence number increased progressively, transfers corresponding line pin data, controls the lifting of warp thread;
When this plus/minus control port is high level, circulating and reversible counter realizes subtraction, when count pulse arrives, circulating and reversible Counter Value exports after subtracting 1, the current shed open sequence number exported to shedding mechanism is tapered off state, shedding mechanism, according to the current shed open sequence number of successively decreasing, transfers corresponding line pin data, controls the lifting of warp thread.
Further, also be included in a preset circulation maximum on circulating and reversible counter and port is set and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can under the effect of plus/minus control port control signal, when count pulse arrives, within the scope of maximum and minimum of a value, circulate and export the current shed open sequence number of increasing or decreasing to shedding mechanism.
Further, also comprise the signal gathered when the brake of loom staplings is come to a complete stop, and the signal when brake of this loom staplings being come to a complete stop goes to trigger loom ECU as triggering signal, the control signal that loom ECU is applied to the plus/minus control port of circulating and reversible counter is high level signal, simultaneously, also comprise the signal gathered when the brake of loom staplings starts, and the signal when brake of this loom staplings being started goes to trigger loom ECU as triggering signal, loom ECU is made to select latitude controlling organization to export control signal to loom, loom is allowed to select latitude controlling organization to forbid that weft yarn is introduced.
Of the present invention a kind of do not need shedding mechanism return motion oppositely seek latitude method, be that a kind of shedding mechanism of weaving machine being applicable to Electronic Control form oppositely seeks latitude control program.The fell sequence number memory of shedding mechanism is set to circulating and reversible counter mode.Fell sequence number, 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 provided by the running number of turns pulse of shedding mechanism; The plus-minus mode of operation of counter is controlled by loom ECU.Positive sequence and inverted order two kinds of weave patterns of line self-figure version can be carried out thus.
In inverted order weave patterns, introduce fell by stoping weft yarn and cannot form longitude and latitude intertexture, the rollback that successively decreases realizing opening sequence number is formed oppositely seeks latitude.Thus when without the need to shedding mechanism return motion, what realize loom oppositely seeks latitude function.
The invention has the beneficial effects as follows, owing to have employed a preset circulating and reversible counter being used for exporting to shedding mechanism current shed open sequence number, to make shedding mechanism according to this current shed open sequence number, corresponding line pin data can be transferred, control the lifting of 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 at the plus/minus control port of circulating and reversible counter the control signal that can be carried out high level, low level conversion, this control signal is provided by loom ECU; Positive sequence and inverted order two kinds of weave patterns of line self-figure version can be carried out thus; And in inverted order weave patterns, introduce fell by stoping weft yarn and cannot form longitude and latitude intertexture, the rollback that successively decreases realizing opening sequence number is formed oppositely seeks latitude.Thisly oppositely seek latitude mode, without the need to shedding mechanism return motion, thus can for simplifying loom machinery and electric control structure provide facility.
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.
Accompanying drawing explanation
Fig. 1 is for normally to weave opening weaving diagram;
Fig. 2 is that latitude mode schematic diagram sought by the shedding mechanism of prior art;
Fig. 3 is the organigram of circulating and reversible counter of the present invention;
Fig. 4 is the time diagram of circulating and reversible counter port of the present invention;
Fig. 5 is that the positive sequence in opening control model of the present invention weaves the woven schematic diagram with inverted order;
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 seeks latitude control model.
Detailed description of the invention
Embodiment,
Of the present invention a kind of do not need shedding mechanism return motion oppositely seek latitude method, comprising:
A preset circulating and reversible counter being used for exporting to shedding mechanism current shed open sequence number, to make shedding mechanism according to this current shed open sequence number, can transfer corresponding line pin data, controls the lifting of 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 at the plus/minus control port of circulating and reversible counter the control signal that can be carried out high level, low level conversion, this control signal is provided by loom ECU;
When this plus/minus control port is low level, circulating and reversible counter realizes add operation, when count pulse arrives, circulating and reversible Counter Value exports after increasing 1, make the current shed open sequence number exported to shedding mechanism in increasing progressively state, shedding mechanism, according to the current shed open sequence number increased progressively, transfers corresponding line pin data, controls the lifting of warp thread;
When this plus/minus control port is high level, circulating and reversible counter realizes subtraction, when count pulse arrives, circulating and reversible Counter Value exports after subtracting 1, the current shed open sequence number exported to shedding mechanism is tapered off state, shedding mechanism, according to the current shed open sequence number of successively decreasing, transfers corresponding line pin data, controls the lifting of warp thread.
Further, also be included in a preset circulation maximum on circulating and reversible counter and port is set and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can under the effect of plus/minus control port control signal, when count pulse arrives, within the scope of maximum and minimum of a value, circulate and export the current shed open sequence number of increasing or decreasing to shedding mechanism.
Further, also comprise the signal gathered when the brake of loom staplings is come to a complete stop, and the signal when brake of this loom staplings being come to a complete stop goes to trigger loom ECU as triggering signal, the control signal that loom ECU is applied to the plus/minus control port of circulating and reversible counter is high level signal, simultaneously, also comprise the signal gathered when the brake of loom staplings starts, and the signal when brake of this loom staplings being started goes to trigger loom ECU as triggering signal, loom ECU is made to select latitude controlling organization to export control signal to loom, loom is allowed to select latitude controlling organization to forbid that weft yarn is introduced.
Shown in Fig. 3, Fig. 4,
This circulating and reversible counter 10 comprises count pulse input port 11, plus/minus control port 12, circulation maximum arranges port one 3, circulation minimum of a value arranges port one 4 and count value output port 15; Count pulse input port 11 inputs count pulse, and this count pulse comes from the pulse of the shedding mechanism running number of turns; Plus/minus control port 12 applies the control signal that can be carried out high level, low level conversion, and this control signal is provided by loom ECU; Circulation maximum arranges port one 3 and is used for inputting maximum; Circulation minimum of a value arranges port one 4 and is used for inputting minimum of a value, when counter does plus coujnt, after count to the maximum arranged, automatically reverts to the minimum of a value of setting; When counter does subtraction count, after count value is decremented to the minimum of a value of setting, automatically revert to the maximum of setting.Count value output port 15 exports the current count value of current forward-backward counter, is in fact also to export current shed open sequence number to shedding mechanism.
For the shedding mechanism of loom: loom rotates a circle, and once, namely shed open opening and closing once in shedding mechanism reciprocating motion.When loom rotates circle formation pulse, and this signal is input to forward-backward counter, and the minimum of a value of circulating and reversible counter and maximum be defined as respectively line self-figure version initial row and ending row time, then the output valve of forward-backward counter is " the current shed open sequence number " of shedding mechanism.
Controlled by the plus/minus control port 12 of loom ECU to circulating and reversible counter 10.Two kinds of then there will be as shown in Figure 5 weave form.
When signal=0 of plus/minus control port 12, namely plus/minus control port 12 is low level;
" current shed open sequence number " with shedding mechanism running the number of turns increasing progressively and " increasing progressively ", " positive sequence is weaved " that be woven as line self-figure version in this case.
When signal=1 of plus/minus control port 12, namely plus/minus control port 12 is high level;
" current shed open sequence number " with shedding mechanism running the number of turns increasing progressively and " successively decreasing " (as shed open sequence number drops to 33 by 35), in this case be woven as line self-figure version " inverted order is weaved ".
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 plus/minus control port 12 of circulating and reversible counter 10.
If at shedding mechanism, " inverted order is weaved, and " in process, manage the introducing fell stoping weft yarn, " inverted order is weaved " just cannot form fabric because longitude and latitude interweaves at a slow speed.Then without " inverted order is weaved " process that weft yarn is introduced, the process of latitude sought by the shuttle that falls exactly.
Shown in Figure 6, this be one complete, normally can weave and oppositely can seek the opening controlling mechanism of latitude without the need to shedding mechanism reversion.
This opening controlling mechanism comprises:
Current shed open serial number register adopts 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 Puled input end signal of circulating and reversible counter, the turning collar rapid pulse from shedding mechanism rushes, and often turns 1 circle and produce 1 pulse;
The plus/minus control port signal of circulating and reversible counter, comes from loom ECU, for control positive sequence weave or inverted order weave;
The output valve of circulating and reversible counter, for transferring the line pin data of corresponding sequence number, controls the needle selection lifting of warp thread;
Loom ECU provides one " weft yarn introducing inhibit signal ", allows loom select latitude controlling organization to forbid that weft yarn is introduced, and has weft yarn to introduce fell when preventing shedding mechanism from moving.
Further illustrate above-mentioned shedding mechanism below in conjunction with Fig. 7 to control normally to 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 control signal that loom ECU is supplied to plus/minus control port 12 is low level, i.e. " the plus/minus control signal of forward-backward counter "=0, and shedding mechanism is in positive sequence and weaves;
It is low level that loom ECU selects latitude controlling organization to export control signal to loom, " weft yarn introducing inhibit signal "=0 namely provided, and this state allows weft yarn to introduce;
In now loom running, Weaving shed sequence number increases progressively along with the increase of the running number of turns, is normal weaving process.
G section: latitude stops brake process;
Suppose, when opening sequence number 35, staplings occurs.Due to inertia, brake stop position can in the position of next shed open.
In the original position of brake, it is high level that loom ECU selects latitude controlling organization to export control signal to loom, and " weft yarn introducing inhibit signal "=1 namely provided forbids that weft yarn is introduced;
In the position of coming to a complete stop of brake, the control signal that loom ECU is supplied to plus/minus control port 12 is high level, namely provides " the plus/minus control signal of forward-backward counter "=1, forms inverted order and weaves;
H section: oppositely seek latitude process
Shedding mechanism rotates forward at a slow speed;
The control signal that loom ECU is supplied to plus/minus control port 12 is high level, and " the plus/minus control signal of forward-backward counter "=1 namely provided is that inverted order is weaved;
It is high level that loom ECU selects latitude controlling organization to export control signal to loom, and " weft yarn introducing inhibit signal "=1 namely provided, forbids that weft yarn is introduced;
In the process, during shed open sequence number change location by this shed open 180 degree, owing to being in " inverted order is weaved " state, shed open sequence number is decremented to 34 from 35 of staplings.Owing to there is no the introducing of weft yarn in this process, longitude and latitude can not be formed and interweave.
After fell sequence number has been successively decreased, loom stops in the position that operator specifies.Now
The control signal that loom ECU is supplied to plus/minus control port 12 transfers low level to, and " the plus/minus control signal of forward-backward counter " that namely provide is transformed to 0, and positive sequence is weaved;
It is low level that loom ECU selects latitude controlling organization to export control signal to loom, and " the weft yarn introducing inhibit signal " that namely provide converts 0, allows weft yarn to introduce;
Loom returns to normal positive sequence weaving state, and the fell that will open is the sequence number of staplings is the fell of 35, and loom is sought latitude work and completed.
I section: reenter normal weaving process;
Can see thus, under this opening control model, no matter normally weave, or oppositely seek latitude, only carry out one-way movement and just can complete.Because loom mustn't want Bidirectional driving and Bidirectional driving to control, will create conditions for the optimization of loom structure and control mode.
Above-described embodiment be only used for further illustrating of the present invention a kind of do not need shedding mechanism return motion oppositely seek latitude method; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection domain of technical solution of the present invention.
Claims (2)
1. what do not need shedding mechanism return motion oppositely seeks a latitude method, it is characterized in that: comprising:
A preset circulating and reversible counter being used for exporting to shedding mechanism current shed open sequence number, to make shedding mechanism according to this current shed open sequence number, can transfer corresponding line pin data, controls the lifting of 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 at the plus/minus control port of circulating and reversible counter the control signal that can be carried out high level, low level conversion, this control signal is provided by loom ECU;
When this plus/minus control port is low level, circulating and reversible counter realizes add operation, when count pulse arrives, circulating and reversible Counter Value exports after increasing 1, make the current shed open sequence number exported to shedding mechanism in increasing progressively state, shedding mechanism, according to the current shed open sequence number increased progressively, transfers corresponding line pin data, controls the lifting of warp thread;
When this plus/minus control port is high level, circulating and reversible counter realizes subtraction, when count pulse arrives, circulating and reversible Counter Value exports after subtracting 1, the current shed open sequence number exported to shedding mechanism is tapered off state, shedding mechanism, according to the current shed open sequence number of successively decreasing, transfers corresponding line pin data, controls the lifting of warp thread;
Also comprise the signal gathered when the brake of loom staplings is come to a complete stop, and the signal when brake of this loom staplings being come to a complete stop goes to trigger loom ECU as triggering signal, the control signal that loom ECU is applied to the plus/minus control port of circulating and reversible counter is high level signal, simultaneously, also comprise the signal gathered when the brake of loom staplings starts, and the signal when brake of this loom staplings being started goes to trigger loom ECU as triggering signal, loom ECU is made to select latitude controlling organization to export control signal to loom, loom is allowed to select latitude controlling organization to forbid that weft yarn is introduced.
2. according to claim 1 do not need shedding mechanism return motion oppositely seek latitude method, it is characterized in that: further, also be included in a preset circulation maximum on circulating and reversible counter and port is set and a circulation minimum of a value arranges port, with after maximum and minimum of a value input, this circulating and reversible counter can under the effect of plus/minus control port control signal, when count pulse arrives, within the scope of maximum and minimum of a value, circulate and export the current shed open sequence number of increasing or decreasing to shedding mechanism.
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| 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 |
| 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 |
| 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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