CN104375457A - Control method and device for reducing spinning frame spinning yarn broken ends - Google Patents
Control method and device for reducing spinning frame spinning yarn broken ends Download PDFInfo
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- CN104375457A CN104375457A CN201410680922.1A CN201410680922A CN104375457A CN 104375457 A CN104375457 A CN 104375457A CN 201410680922 A CN201410680922 A CN 201410680922A CN 104375457 A CN104375457 A CN 104375457A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
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Abstract
The invention discloses a control method for reducing spinning frame spinning yarn broken ends. The method comprises a starting step, a small yarn spinning step, a medium yarn spinning step, a large yarn spinning step and a doffing step. The large yarn spinning step is started at a step S108. When fed yarn on a bobbin reaches 90%-95% of spinning total amount, a full-bobbin sensor outputs full-bobbin signals and judges whether a proper-position sensor outputs signals, if yes, low-speed spinning is carried out, whether operation time is shorter than or equal to Pg is judged, is the operation time is equal to Pg, the doffing step is carried out, the original position of the full-bobbin sensor is properly moved down, and when yarn reaches 90%-95% of spinning total amount, the full-bobbin sensor sends out the signals. The proper-position sensor is used for outputting signals for controlling operation, high-low-speed switching during a going-down process of a ring rail is achieved, low-speed operation is carried out for Pg time, the yarn reaches a full-yarn position, doffing is carried out, and the end breaking rate of the yarn is effectively lowered.
Description
The present invention is application number 2013100333791, on 01 29th, 2013 applying date, the divisional application of denomination of invention " a kind of for reducing the spinning frame spinning control method of Yarn break and device ".
Technical field
The present invention relates to a kind of control method of spinning frame spinning process, be applicable to spinning frame, specifically, relating to a kind of for reducing the spinning frame spinning control method of Yarn break and device, belonging to textile technology field.
Background technology
Textile industry, usual spinning frame spins on spool 1, and reducing the end breakage rate of spinning frame when spinning is the target always pursued in the industry.The legacy equipment that market is still using, as FA502, FA503 and A513 etc., the main spinning process using A.C. contactor to control whole spinning frame, this control mode is difficult to the control realized in electric reducing spinning frame yarn breakage.For realizing the end breakage rate reducing spinning frame spinning, at present, general employing frequency converter carrys out control realization, but due to a large amount of above-described old type tube spinning frame of textile industry, these spinning frames are transformed, the frequency converter of every platform equipment needs nearly ten thousand yuan together with the expense of PLC, and the textile enterprise of the old equipment of numerous use will realize this method and control to be very difficult, have impact on product quality and the output of these enterprises.On the other hand, the cooling system that flyings easily block frequency converter is the drawback of the spinning frame Frequency Converter Control of old type tube, is also easily burn out after causing frequency converter to be applied for a long time even to cause leading cause of fire.Be usually included in by the process that spinning frame spins on spool 1 process starting spinning bottom spool 1 in the industry to be called and to spin little yarn, the spinning process of spool 1 middle part be called spin in yarn, be called close to spinning process when spinning full spool on spool 1 top and spin large yarn, full packages sensor sends signal and refers to that spool 1 has spun completely, provided by right position sensor signal, perform full packages and to doff step.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned deficiency, there is provided a kind of for reducing the spinning frame spinning control method of Yarn break and device, overcome the expensive drawback of control device in prior art and hold ignitable hidden danger, control method of the present invention and device are specially adapted to the transformation of the numerous old equipment of textile enterprise, cost reduces greatly, and whole control device structure is simple and clear, failure rate is low, easy to maintenance, also improve the Quality and yield of old equipment spinning simultaneously.
For overcoming the above problems, the present invention is by the following technical solutions: a kind of control method for reducing spinning frame spinning Yarn break, is characterized in that: described control method comprises setting up procedure, spins little yarn step, spins middle yarn step, spins large yarn step and step of doffing;
Describedly spin large yarn step and start from step S108, when yarn on spool reaches the 90-95% of spinning total amount, then full packages sensor exports full packages signal and enters step S109;
In step S109, judge whether right position sensor outputs signal, if not, then continue to detect to judge, if so, then enter step S110;
In step S110, slow running spins, and judges that working time is less than or equal to Pg, if be less than Pg working time, then continue slow running and spins and judge; If working time equals Pg, then enter step of doffing.
A kind of prioritization scheme, the scope of described Pg is 1-999 second.
Another kind of prioritization scheme, described in step of doffing start from step S111, judge whether right position sensor outputs signal, if not, then continue to detect judgement, if so, then enter step S112;
In step S112, the magnet coil conducting of ratchet support claw time delay 1-3 second, judge whether delay time arrives, if not, then continue to detect to judge, if so, then enter step S113;
In step S113, mair motor stops and time delay, and judges that delay time is less than or equal to Pa, if be less than Pa, then continue time delay and judges; If delay time equals Pa, then enter step S114;
In step S114, ring rail starts descending, and judges that downgoing time is less than or equal to Pb, if be less than Pb, then continues wait for and judge; If downgoing time equals Pb, then enter step S115;
In step S115, main shaft starts braking, and judges that braking time is less than or equal to Pc, if be less than Pc, then continues brake and judge; If braking time equals Pc, then blower fan stops.
Another prioritization scheme, the scope of described Pa is 0.1-9.9 second.
Another prioritization scheme, the scope of described Pb is 0.1-9.9 second.
Another prioritization scheme, the scope of described Pc is 1-99 second.
Based on the above control method for reducing spinning frame spinning Yarn break, the present invention provides the device for described control method, and described device comprises PLC and is arranged on full packages sensor, cam, right position sensor, rotor, blower fan, mair motor and the ratchet support claw on spinning frame;
Described right position sensor and rotor are arranged on the spinning frame of cam periphery, and full packages sensor setting, being equivalent to the position of yarn total amount 90-95% on spool, cam is fixed with signal sampler;
Described cam has peach point and cam least significant end, and when after peach point and rotor contact, ring rail starts descending, and after cam least significant end and rotor contact, ring rail starts up, when signal sampler to coordinate with right position sensor respond to time, right position sensor output signal;
Described full packages sensor, right position sensor, blower fan, mair motor and ratchet support claw magnet coil are electrically connected with PLC.
The present invention adopts above technical scheme, with prior art ratio, has the following advantages: moved down by the location-appropriate of original full packages sensor, and when namely yarn reaches the 90-95% of spinning total amount, full packages sensor just sends signal; Utilize right position sensor output signal controlling run, to realize in the descending process of ring rail high, low speed conversion, the slow running Pg time reaches the position of full yarn, and execution is doffed, and significantly reduces the end breakage rate of yarn.
Below in conjunction with drawings and Examples, the present invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of spool in this clearly demarcated embodiment;
Accompanying drawing 2 is the structural representation of cam in this clearly demarcated embodiment;
Accompanying drawing 3 is the control principle drawing in this clearly demarcated embodiment;
Accompanying drawing 4 is the process flow diagram of control method in this clearly demarcated embodiment;
Accompanying drawing 5 is the process flow diagram of low speed stop off step in this clearly demarcated embodiment;
Accompanying drawing 6 is the process flow diagram of this clearly demarcated embodiment high speed stop off step;
Accompanying drawing 7 is the process flow diagram of step of stopping in emergency in this clearly demarcated embodiment;
Accompanying drawing 8 is that in this clearly demarcated embodiment doff the process flow diagram of step in midway;
In figure,
1-spool, 2-cam, 3-peach point, 4-cam least significant end, 5-right position sensor, 6-signal sampler, 7-rotor, 8-full packages sensor, 9-blower fan, 10-mair motor, 11-ratchet support claw magnet coil.
Embodiment
Embodiment, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of for reducing the spinning frame spinning control method of Yarn break and device, this device comprises PLC and is arranged on full packages sensor 8, cam 2, right position sensor 5, rotor 7, blower fan 9, mair motor 10 and the ratchet support claw on spinning frame, right position sensor 5 and rotor 7 are arranged on the spinning frame of cam 2 periphery, full packages sensor 8 is arranged on the position being equivalent to yarn total amount 90-95% on spool 1, cam 2 is fixed with signal sampler 6
Cam 2 has peach point 3 and cam least significant end 4, and after peach point 3 contacts with rotor 7, ring rail starts descending, after cam least significant end 4 contacts with rotor 7, ring rail starts up, cam 2 turn to again peach point 3 contact with rotor 7 after, ring rail completes the spinning stage of one-period; When signal sampler 6 to coordinate with right position sensor 5 respond to time, right position sensor 5 outputs signal, and rotor 7 is positioned at the rear of peach point 3, and now ring rail must be descending.
Full packages sensor 8, right position sensor 5, blower fan 9, mair motor 10 and ratchet support claw magnet coil 11 are electrically connected with PLC.
Blower fan 9 refers to induced-draught electric motor; Right position sensor 5 refers to shaping cam position transducer.
PLC comprises CPU processor, display and setting keyboard, and the power supply in the present embodiment and input terminal, relay topworks still adopt the device of former spinning frame, and power unit is connected with former spinning frame panel box AC24V.CPU processor is the core of this PLC, is responsible for the operation requirements that receives from keyboard and sends and perform instruction accordingly.
In the present invention, mair motor 10 stops starting the descending time interval to ring rail, and represent with Pa, scope is set to 0.1-9.9 second.
Ring rail starts to go downwards to the time interval that main shaft starts braking, and represent with Pb, scope is set to 0.1-9.9 second.
Main shaft starts the time interval of braking blower fan 9 stopping, and represent with Pc, scope is set to 1-99 second.
After fan starting, ring rail is up to the beginning and spins position, and continue up certain altitude and stop, the position that ring rail stops is called right position yarning position, this right position yarning position is usually in middle yarn position, and the right position yarning position in the present invention refers to spool height about 1/3 place; Ring rail spins from the beginning time interval that position goes upward to right position yarning position, and represent with Pe, scope is set to 0-3.9 second.
After low rate start, spinning frame low-speed running, ring rail comes downwards to the beginning from right position yarning position and spins position, and its time interval represents with Pf, and scope is set to 0-3.9 second; When Pe is set to 0, Pf is necessarily set to 0.
After spinning frame starts normal spinning, the time of slow running represents with Pd, and scope is set to 1-999 second.After spinning frame high-speed cruising, full packages sensor 8 provides signal and turns slow running, the time of slow running
Represent with Pg, range of adjustment 1-999 second.
As shown in Figure 4, for reducing the process flow diagram of Yarn break control method, control method comprises setting up procedure, spins little yarn step, spins middle yarn step, spins large yarn step and step of doffing;
Step S101 powers on, then, in step S102, according to the demand of system and the specification of yarn, and the parameters needed for setting production; Pa, Pb, Pc, Pd, Pe, Pf and Pg;
Setting up procedure starts from step S103, and blower fan 9 starts, and usually adopts hand push button to start blower fan, and while blower fan 9 starts, ring rail goes upward to the beginning and spins position, and then spin position from the beginning and continue up, upstream time is Pe, enters step S104; In order to protect ring rail motor, the working time of ring rail motor can also be set to began for 5 seconds from fan starting, spin position transducer malfunctioning if begin, ring rail motor stops up maximum 5 seconds.
In step S104, ring rail goes upward to right position yarning position, then enters step S105;
In step S105, mair motor 10 starts slow running, and the general manual mode that adopts starts mair motor slow running, and ring rail comes downwards to the beginning from right position yarning position and spins position, and downgoing time is Pf, then enters step S106, namely spins little yarn step; The object of step S103, S104, S105 is to open air ring in time, shortens air ring wavelength, reduces yarn tension, significantly reduces the end breakage rate of yarn when spinning little yarn;
In step S106, slow running spins, and judges that working time is less than or equal to Pd, if be less than Pd working time, then continue slow running and spins and judge; If working time equals Pd, then enter step S107;
In step S107, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S108, namely spin middle yarn step; By right position sensor output signal controlling run, object realizes in the descending process of ring rail to realize high, low speed conversion, significantly reduces the end breakage rate of yarn.
In step S108, high-speed cruising spins, and judges on spool 1, whether yarn reaches the 90-95% of spinning total amount, and if not, then continue high-speed cruising spinning, if so, then full packages sensor 8 exports full packages signal and enters step S109; Moved down by the location-appropriate of original full packages sensor 8, when namely yarn reaches the 90-95% of spinning total amount, full packages sensor 8 just sends signal;
In step S109, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S110, namely spin large yarn step; By right position sensor output signal controlling run, object realizes in the descending process of ring rail to realize high, low speed conversion, significantly reduces the end breakage rate of yarn.
In step S110, slow running spins, and judges that working time is less than or equal to Pg, if be less than Pg working time, then continue slow running and spins and judge; If working time equals Pg, then enter step S111, step of namely doffing;
In step S111, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S112;
In step S112, magnet coil 11 conducting of ratchet support claw time delay 1-3 second, judge whether delay time arrives, if not, then continue to detect to judge, if so, then enter step S113;
Full packages sensor 8 position is moved forward to spool 1 spinned 90-95% time, full packages sensor 8 exports full packages signal, then transfers the position that the slow running Pg time reaches full yarn to, and execution is doffed, and reduces the end breakage rate spinning large yarn.Adopting after the method, just can accomplishing that little yarn, large yarn stage are substantially without breaking end simultaneously, the middle yarn stage can improve again the object of spinning speed, and Yield and quality is synchronously improved.
In step S113, mair motor 10 stops and time delay, and judges that delay time is less than or equal to Pa, if be less than Pa, then continue time delay and judges; If delay time equals Pa, then enter step S114;
In step S114, ring rail starts descending, and judges that downgoing time is less than or equal to Pb, if be less than Pb, then continues wait for and judge; If downgoing time equals Pb, then enter step S115;
In step S115, main shaft starts braking, and judges that braking time is less than or equal to Pc, if be less than Pc, then continues brake and judge; If braking time equals Pc, then blower fan 9 stops, and one-period spinning process terminates.
As shown in Figure 5, low speed stop off step: start from slow running spinning stage S201, in step S202, has judged whether stop off signal, if not, then continues to detect to judge, if so, then enters step S203;
In step S203, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S204;
In step S204, mair motor 10 stops, and the state of the front slow running of memory parking and time, enter step S205;
In step S205, judge whether blower fan 9 enabling signal, if not, then continued to detect to judge, if so, then enter step S206;
In step S206, mair motor 10 low-speed running, recalls state and the time of slow running before stop off, continues to perform spinning.
As shown in Figure 6, high speed stop off step: start from high-speed cruising spinning stage S301, in step S302, has judged whether stop off signal, if not, then continues to detect to judge, if so, then enters step S303;
In step S303, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S304;
In step S304, mair motor 10 turns slow running by high-speed cruising, enters step S305;
In step S305, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S306;
In step S306, mair motor 10 stops, and memory is stopped, the state of front high-speed cruising, enters step S307;
In step S307, blower fan 9 starts, then enter step S308;
In step S308, mair motor 10 low-speed running, enters step S309;
In step S309, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S310;
In step S310, mair motor 10 turns high-speed cruising by slow running, continues spinning.
As shown in Figure 7, step of stopping in emergency: start from step 401, presses the key that stops in emergency, and spinning frame is out of service; In step 402, when again driving, press fan starting key and enter, blower fan 9 starts, and mair motor 10 low-speed running, enters step 403;
In step 403, judge whether when stopping be slow running, if so, then enters step S404, if not, then enter step S405;
In step S404, recall state and the time of slow running before stopping, continue to perform spinning;
In step S405, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S406;
In step S406, mair motor 10 turns high-speed cruising by slow running, continues spinning.
As shown in Figure 8, step of halfway doffing: start from step S501, presses the key that doffs halfway, enters step 502;
In step 502, judge whether slow running, if so, enter step 503, if not, enter step 508;
In step 503, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step S504;
In step S504, magnet coil 11 conducting of ratchet support claw time delay 1-3 second, judge whether delay time arrives, if not, then continue to detect to judge, if so, then enter step S505;
In step S505, mair motor 10 stops and time delay, and judges that delay time is less than or equal to Pa, if be less than Pa, then continue time delay and judges; If delay time equals Pa, then enter step S506;
In step S506, ring rail starts descending, and judges that downgoing time is less than or equal to Pb, if be less than Pb, then continues wait for and judge; If downgoing time equals Pb, then enter step S507;
In step S507, main shaft starts braking, and judges that braking time is less than or equal to Pc, if be less than Pc, then continues brake and judge; If braking time equals Pc, then blower fan 9 stops;
In step S508, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step 509;
In step 509, mair motor 10 turns slow running by high-speed cruising, enters step 510;
In step 510, judge whether right position sensor 5 outputs signal, if not, then continue to detect to judge, if so, then enter step 511;
In step 511, magnet coil 11 conducting of ratchet support claw time delay 1-3 second, judge whether delay time arrives, if not, then continue to detect to judge, if so, then enter step S512;
In step S512, mair motor 10 stops and time delay, and judges that delay time is less than or equal to Pa, if be less than Pa, then continue time delay and judges; If delay time equals Pa, then enter step S513;
In step S513, ring rail starts descending, and judges that downgoing time is less than or equal to Pb, if be less than Pb, then continues wait for and judge; If downgoing time equals Pb, then enter step S514;
In step S514, main shaft starts braking, and judges that braking time is less than or equal to Pc, if be less than Pc, then continues brake and judge; If braking time equals Pc, then blower fan 9 stops.
Those skilled in the art will recognize that, above-mentioned embodiment is exemplary, to enable those skilled in the art better understand content of the present invention, should not be understood as limiting the scope of the invention, above setting up procedure, spin little yarn step, spin middle yarn step, spin large yarn step and doff in step, also can only adopt setting up procedure of the present invention, and spin little yarn step, spin middle yarn step, spin large yarn step and step of doffing still adopts traditional spinning process; Also only can adopt and of the present inventionly spin little yarn step, and setting up procedure, spin middle yarn step, spin large yarn step and step of doffing still adopts traditional spinning process; Equally, any processing step in the present invention can also be adopted separately; Above embodiment is optimized technical scheme, as long as the improvement done according to technical solution of the present invention, all falls into protection scope of the present invention.
Claims (6)
1. for reducing a control method for spinning frame spinning Yarn break, it is characterized in that: described control method comprises setting up procedure, spins little yarn step, spins middle yarn step, spins large yarn step, step of doffing and low speed stop off step;
Describedly spin middle yarn step and start from step S108, when the upper yarn of spool (1) reaches the 90-95% of spinning total amount, then full packages sensor (8) exports full packages signal and enters step S109;
In step S109, judge whether right position sensor (5) outputs signal, if not, then continue to detect to judge, if so, then enter step S110;
In step S110, slow running spins, and judges that working time is less than or equal to Pg, if be less than Pg working time, then continue slow running and spins and judge; If working time equals Pg, then enter step of doffing;
Described step of doffing starts from step S111, judges whether right position sensor (5) outputs signal, and if not, then continues to detect to judge, if so, then enters step S112;
In step S112, magnet coil (11) conducting of ratchet support claw time delay 1-3 second, judge whether delay time arrives, if not, then continue to detect to judge, if so, then enter step S113;
In step S113, mair motor (10) stops and time delay, and judges that delay time is less than or equal to Pa, if be less than Pa, then continue time delay and judges; If delay time equals Pa, then enter step S114;
In step S114, ring rail starts descending, and judges that downgoing time is less than or equal to Pb, if be less than Pb, then continues wait for and judge; If downgoing time equals Pb, then enter step S115;
In step S115, main shaft starts braking, and judges that braking time is less than or equal to Pc, if be less than Pc, then continues brake and judge; If braking time equals Pc, then blower fan (9) stops;
Described low speed stop off step: start from slow running spinning stage S201, in step S202, has judged whether stop off signal, if not, then continues to detect to judge, if so, then enters step S203;
In step S203, judge whether right position sensor (5) outputs signal, if not, then continue to detect to judge, if so, then enter step S204;
In step S204, mair motor (10) stops, and the state of the front slow running of memory parking and time, enter step S205;
In step S205, judge whether blower fan (9) enabling signal, if not, then continued to detect to judge, if so, then enter step S206;
In step S206, mair motor (10) low-speed running, recalls state and the time of slow running before stop off, continues to perform spinning.
2., as claimed in claim 1 for reducing the control method of spinning frame spinning Yarn break, it is characterized in that: the scope of described Pg is 1-999 second.
3., as claimed in claim 1 for reducing the control method of spinning frame spinning Yarn break, it is characterized in that: the scope of described Pa is 0.1-9.9 second.
4., as claimed in claim 1 for reducing the control method of spinning frame spinning Yarn break, it is characterized in that: the scope of described Pb is 0.1-9.9 second.
5., as claimed in claim 1 for reducing the control method of spinning frame spinning Yarn break, it is characterized in that: the scope of described Pc is 1-99 second.
6., for the device as claim 1-5 control method as described in one of them, it is characterized in that: described device comprises PLC and is arranged on full packages sensor (8), cam (2), right position sensor (5), rotor (7), blower fan (9), mair motor (10) and the ratchet support claw on spinning frame;
Described right position sensor (5) and rotor (7) are arranged on the spinning frame of cam (2) periphery, and full packages sensor (8) is arranged on the position being equivalent to the upper yarn total amount 90-95% of spool (1), cam (2) is fixed with signal sampler (6);
Described cam (2) has peach point (3) and cam least significant end (4), after peach point (3) contacts with rotor (7), ring rail starts descending, after cam least significant end (4) contacts with rotor (7), ring rail starts up, when signal sampler (6) to coordinate with right position sensor (5) respond to time, right position sensor (5) outputs signal;
Described full packages sensor (8), right position sensor (5), blower fan (9), mair motor (10) and ratchet support claw magnet coil (11) are electrically connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680922.1A CN104375457B (en) | 2013-01-29 | 2013-01-29 | Control method and device for reducing spinning frame spinning yarn broken ends |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033379.1A CN103064336B (en) | 2013-01-29 | 2013-01-29 | Control method and device for reducing spinning yarn breakage of spinning frame |
| CN201410680922.1A CN104375457B (en) | 2013-01-29 | 2013-01-29 | Control method and device for reducing spinning frame spinning yarn broken ends |
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| CN201310033379.1A Division CN103064336B (en) | 2013-01-29 | 2013-01-29 | Control method and device for reducing spinning yarn breakage of spinning frame |
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| CN104375457B CN104375457B (en) | 2017-02-08 |
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