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CN104153071B - The shaping intelligence control system of spun yarn - Google Patents

The shaping intelligence control system of spun yarn Download PDF

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Publication number
CN104153071B
CN104153071B CN201410420184.7A CN201410420184A CN104153071B CN 104153071 B CN104153071 B CN 104153071B CN 201410420184 A CN201410420184 A CN 201410420184A CN 104153071 B CN104153071 B CN 104153071B
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signal
ring rail
control
control unit
distance
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CN104153071A (en
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赵茂宇
宛小红
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Us Spinning Science And Technology Co Ltd Of Yibin Favour
Yibin Grace Group Co Ltd
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Us Spinning Science And Technology Co Ltd Of Yibin Favour
Yibin Grace Group Co Ltd
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Abstract

The present invention relates to the shaping intelligence control system of a kind of spun yarn, comprise signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.The present invention can accurately detect whether ring rail accurately arrives initial position, draws middle yarn position, pull back position and extreme higher position, ensures that each action accurately puts in place, overcomes the defect brought because position is inaccurate.

Description

The shaping intelligence control system of spun yarn
Technical field
The present invention relates to a kind of fine spining machine of yarn production, particularly relate to the building control system of fine spining machine.
Background technology
The production unit of fine spining machine is spindle, often weighs the level of production of fine spining machine with the output (kilogram) of every thousand ingots hour.Cotton mill production scale is that the spindle sum having fine spining machine represents.The yarn that every spindle spins can break end due to a variety of causes, and the broken end number that Chang Yiqian ingot hour occurs represents end breakage rate.The height of end breakage rate affects labor productivity, equipment productivity, quality of spun yarn and workshop dustiness.Fine spining machine is maximum machine that consumes energy in Spinning process.Spin a full package (cop) in fine spining machine production process just will stop producing, spinning can be continued after falling cop and changing blank pipe.Therefore the size of package affects labor productivity, equipment productivity, also affects energy consumption.Ingot speed, package, end breakage rate three, connect each other and mutually restrict, and is the mark of fine spining machine technical merit height, needs to consider from society, technology and economic aspect, determines comparatively appropriate numerical value.
Various fine spining machine is all made up of feed mechanism, drafter, twist and winding mechanism substantially.The effect of feed mechanism rove or strip is taken out extract and feed to drafter.Yarn after drawing-off is exported by front roller, becomes after spun yarn to be wound on spool through twist.The drawing-off of most of fine spining machine, twist and winding effect are carried out continuously, by the difference of twist used and winding mechanism, are called ring throstle, centrifugal spindle spinning frame, flyer spinning frame, cap spinning frame and mule.
Ring throstle can continuous action, and spinning speed is higher, is thus widely adopted gradually, instead of most mule, becomes the one that modern Application is maximum.Ring throstle forms the fine spining machine of twist, winding mechanism by spindle, rings and steel traveler etc.Be generally two-sided many ingots structure, the number of spindles of every platform fine spining machine is 300 ~ 500 ingots, also has the long vehicle of 800 ~ 1000 ingots.Ring throstle has various types and specification, spins and blending, spin the spun yarn of not jack per line number or number to adapt to the pure of cotton, hair, fiber crops, thin,tough silk and chemical fibre etc.The course of work of cotton spinning ring throstle is: rove from unwinding the flyer bobbin by supporter support out, carries out drawing-off through lever jack and traverse guide feeding drafting system.Yarn after drawing-off is exported by front roller, is spun into spun yarn by twizzle, steel traveler after twist, is wound up on the bobbin that is tightly placed on spindle.During spindle rotation, steel traveler is driven by sliver and rotates along rings inner arc face (being commonly called as runway).Steel traveler is often gone around, and adds that one is picked up back with regard to the yarn after giving drawing-off.Meanwhile, due to the frictional resistance of steel traveler and rings, make the rotating speed of steel traveler lag behind spindle rotating speed, then produce winding.
The twisting of ring throstle and shaping mechanism are driven by spindle band transmission spindle by the rolling disk be contained on main shaft or cylinder.Every root spindle band transmission 4 spindles, keep suitable tension force by tensioner, prevent from skidding and cause the change of spindle rotating speed.Some fine spining machines adopt the tengential belt transmission be close on spindle wharve.Rings is contained on ring rail, and builder drives ring rail to do elevating movement, and being wound on according to certain rules on bobbin by spun yarn becomes cop.The anti-ballooning ring adopted when twizzle and large package is elevated according to certain rules sometimes together with ring rail, to control balloon tension and to reduce broken end.
The detailed process of the shaping mechanism control ring plate lifting of existing fine spining machine is: ring rail moves upward from initial position (being set as 0mm), move to and draw middle yarn position (relative to initial position, be generally 30-40mm), then to pull back to position (relative to drawing middle yarn position return 3-5mm) of pulling back, rise to extreme higher position again (relative to initial position, be generally about 200mm), when ring rail rises to this position, prove the full yarn of yarn, need to take off spool, the spool more renewed, after more finishing changing spool, ring rail is returned to initial position, enter next circulation.Following defect is there is in existing fine spining machine when completing said process:
1, ring rail moves upward, and drives arrival to draw middle yarn position by motor, and whether ring rail is rely on workman to be judged by experience to the middle yarn position of drawing to setting, and accurate location cannot be known, when return, return will be caused not accurate enough, occur mass defect;
2, whether ring rail arrives extreme higher position in rising, also be that workman is judged by experience, so just may put in place inaccurate, inaccurate once put in place, just may there is the defect emitting yarn (yarn exceedes spool) or deficient yarn (yarn is not around full spool), occur the defect that spool weight is inconsistent;
3, ring rail is heavy iron block return what be returned to initial position employing, once motor stalls, heavy iron block relies on gravity ring rail to be withdrawn into initial position, this return mode, seating velocity is uncontrolled, returning quickly, may cause yarn to be torn, and utilizes heavy iron block return, can not ensure that ring rail is returned to initial position accurately, once return is inaccurate, action below just may be caused not in place, cause mass defect.
Summary of the invention
In order to overcome the action of existing Spinning Machine Control ring rail can not accurately put in place exist defect, the invention provides the shaping intelligence control system of a kind of spun yarn, this intelligence control system can accurately detect whether ring rail accurately arrives initial position, draws middle yarn position, pull back position and extreme higher position, ensure that each action accurately puts in place, overcome the defect brought because position is inaccurate.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
The shaping intelligence control system of a kind of spun yarn, is characterized in that: comprise signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.
Described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on initial position respectively, to pull back position and extreme higher position, described position sensor and rotary encoder are all connected on the control unit, whether described position sensor accurately arrives initial position for detecting ring rail, to pull back position and extreme higher position, the distance that described rotary encoder rises for calculating ring rail and declines, the position signalling of the arrival of the ring rail collected is input in control unit by described position sensor, the distance signal that the ring rail calculated rises and declines by described rotary encoder is input in control unit.
Described position sensor is photo-electric type inductive switch or touch switch.
Described control unit is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, the distance signal that described distance signal input module rises for receiving ring rail and declines, described setting value input module is for inputting the setting value of the distance of ring rail rising and decline, described comparison module compares with the distance signal received for the setting value comparing distance, the position signalling that described control signal output module receives according to the comparative result of comparison module and position signalling input module exports different control signals.
Described performance element comprises frequency converter and motor, frequency converter connects and is connected with control unit, motor is connected with frequency converter, motor drives ring rail to rise or declines, the different control signals that frequency converter exports according to control unit control turning to of motor and rotating speed, thus control rising and the down maneuver of ring rail, and the speed rising and decline.
The present invention has the following advantages:
1, the present invention includes signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.Signal gathering unit can accurate acquisition whether accurately reach initial position to ring rail, draw middle yarn position, pull back position and extreme higher position, when ensureing that ring rail accurately arrives each position, just can carry out next action, ensure to there will not be the mass defect brought because position is inaccurate.The utility model control unit controls the action of executing agency according to the signal of signal gathering unit collection, executing agency often performs an action all to be needed to perform according to the signal of signal gathering unit collection, and fully effective guarantee ring rail accurately arrives above-mentioned four positions.
2, signal gathering unit of the present invention comprises position sensor and rotary encoder, sensor has three, be arranged on initial position respectively, to pull back position and extreme higher position, described position sensor and rotary encoder are all connected on the control unit, whether described position sensor accurately arrives initial position for detecting ring rail, to pull back position and extreme higher position, the distance that described rotary encoder rises for calculating ring rail and declines, the position signalling of the arrival of the ring rail collected is input in control unit by described position sensor, the distance signal that the ring rail calculated rises and declines by described rotary encoder is input in control unit.When ring rail is positioned at initial position, pull back position and extreme higher position time, position sensor can detect whether ring rail accurately reaches these positions, and rotary encoder is used for the distance that record ring rail in good time rises and declines, when ring rail is positioned at initial position, position sensor by Signal transmissions to control unit, then ring rail upwards drives by control unit output control signal control executing agency, in the process moved upward along with ring rail, the distance that rotary encoder record and calculating ring rail rise, when the distance that ring rail rises is to the climb set, control unit controls performance element and drives ring rail to drop to position of pulling back, when the position sensor being positioned at position of pulling back detects that ring rail reaches position, and the dropping distance of rotary encoder equal with the dropping distance of setting time, control unit controls performance element to start to drive ring rail to rise, when the distance of encoder record is at about 200mm, namely during extreme higher position, control unit controls performance element and no longer drives, when after the spool that workman more renews, start whole control system, control unit control performance element drive ring rail decline until the position sensor being positioned at initial position guiding principle plate detected and the distance of encoder is recorded as 0 time, prove that ring rail accurately reaches initial position, next one circulation can be carried out, circulation like this is gone down, just can ensure that ring rail can accurately reach each position, ensure spinning quality.
3, position sensor of the present invention is photo-electric type inductive switch or touch switch.Photo-electric type inductive switch detects ring rail by the optical signal sent and whether arrives assigned address, and whether touch switch is arrived by ring rail and to trigger this switch after assigned address and whether detect ring rail and arrive.Control unit just can be allowed to judge the position of ring rail accurately by the signal of switch, export corresponding control signal.
4, control unit of the present invention is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, the distance signal that described distance signal input module rises for receiving ring rail and declines, described setting value input module is for inputting the setting value of the distance of ring rail rising and decline, described comparison module compares with the distance signal received for the setting value comparing distance, the position signalling that described control signal output module receives according to the comparative result of comparison module and position signalling input module exports different control signals.The present invention completes the acceptance of position signalling and distance signal, the comparison of settling signal by PLC intelligent controller, the action that different control signals controls performance element is exported by comparative result and the position signalling received, come the rising of ring rail and the speed of decline, ensured that ring rail accurately puts in place.
5, performance element of the present invention comprises frequency converter and motor, frequency converter connects and is connected with control unit, motor is connected with frequency converter, motor drives ring rail to rise or declines, the different control signals that frequency converter exports according to control unit control turning to of motor and rotating speed, thus control rising and the down maneuver of ring rail, and the speed rising and decline.Frequency converter controls the rotating speed of motor accurately according to the control signal received and turns to, just can realize the speed that ring rail rises, declines and rise and decline, adopt gravity block return relative to prior art, return is slowly even, can not moment return, also would not stretch-broken yarn.
Accompanying drawing explanation
Fig. 1 is the position view that position sensor of the present invention is installed;
Fig. 2 is overall structure schematic diagram of the present invention.
Mark 1 in figure, extreme higher position, 2, draw middle yarn position, 3, position of pulling back, 4, initial position, 5, spool, 6, position sensor, 7, head, 8, upper beam, 9, underbeam, 10, tail.
Detailed description of the invention
The ring rail that the present invention is directed to existing fine spining machine can not accurately arrive initial position, draw middle yarn position, defect that pull back position and extreme higher position are brought, provide the shaping intelligence control system of a kind of spun yarn, the effect of this control system is the rising and the decline process that control guiding principle plate, and control its speed rising and decline, and ensure that ring rail can arrive above-mentioned four positions.
The present invention includes signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.
Operation principle of the present invention is elaborated below in conjunction with specific embodiment; embodiment only time elaboration explanation is carried out to the present invention; the present invention is not limited to embodiment, and those skilled in the art are not paying under creative work prerequisite, are all the scope of protection of the invention.
Embodiment 1
The present embodiment needs the initial position 4 arrived, pull back position 3 and an extreme higher position 1 respectively installation position sensor 6 at existing fine spining machine guiding principle plate, and whether accurately put in place for detecting ring rail, ring rail guides yarn to be wound around at spool 5.As shown in Figure 1, the head 7 of fine spining machine, tail 10, upper beam 8, underbeam 9 form four positions of ring rail motion, and these four positions are between upper beam 8, underbeam 9.
As shown in Figure 2, the present invention needs rotary encoder, PLC intelligent controller, frequency converter and motor, the distance that rotary encoder rises for calculating ring rail and declines, and by the distance signal transmission of calculating to PLC intelligent controller, PLC also will receive the position signalling that three position sensors transmit, PLC intelligent controller is by the distance signal of motion of ring rail that receives and the position signalling of ring rail, judge to export which kind of control signal, thus control motor positive and inverse and rotating speed by controlling frequency converter, reach the object controlling ring rail action.
Concrete control principle is as follows: when ring rail is positioned at initial position, ring rail is transferred to the position signalling input module of PLC intelligent controller by the position sensor being positioned at initial position at the position signalling of initial position, the distance signal transmission that ring rail moves by rotary encoder is to the distance signal input module of PLC intelligence control system, now the value of the distance signal of the initial position of the distance signal received and setting compares by the comparison module of PLC intelligence control system, when the distance signal received is 0, export the control signal that starter motor rotates forward, if the distance signal received is not 0 or is not the signal that the position switch being positioned at initial position transmits, control signal output module does not output signal, not starter motor.
When ring rail be arranged in draw yarn position time, the distance signal transmission that ring rail moves by rotary encoder is to the distance signal input module of PLC intelligence control system, now the value of the distance signal of middle yarn position of drawing of the distance signal received and setting compares by the comparison module of PLC intelligence control system, when the distance signal received is the distance of setting, control signal output module exports the control signal of starter motor reversion, motor reversal, the distance signal transmitted when rotary encoder is consistent with the distance of the position of pulling back of setting, and the position sensor being positioned at position of pulling back is when detecting that the position signalling of ring rail is transferred to PLC control system, stop motor reversal, otherwise then continue reversion.
When ring rail is positioned at extreme higher position, be positioned at the position signalling that ring rail is positioned at extreme higher position by the position sensor be up to and be transferred to PLC control system, and the distance signal transmission that rotary encoder calculates is to PLC control system, the distance that the guiding principle plate that comparison module compares distance signal and setting is positioned at extreme higher position compares, time equal, the control signal of output motor reversion, until when the sensor of initial position detects that the distance signal of ring rail and rotary encoder is 0, export the control signal stopping motor reversal.Circulation like this is gone down, and just can realize the automatic control of guiding principle plate action, realizes the Based Intelligent Control of the speed of guiding principle plate rise and fall, and can ensure that guiding principle plate is accurately positioned at four positions and just carries out next step action, achieves accurate control.
In the present embodiment, position sensor is chosen as photo-electric type inductive switch, and photo-electric type inductive switch detects ring rail by the optical signal sent and whether arrives assigned address.
Collecting unit comprises rotary encoder and photo-electric type inductive switch in the present embodiment, and control unit is PLC, and performance element is frequency converter and motor.
Embodiment 2
The present embodiment comprises signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.
Described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on initial position respectively, to pull back position and extreme higher position, described position sensor and rotary encoder are all connected on the control unit, whether described position sensor accurately arrives initial position for detecting ring rail, to pull back position and extreme higher position, the distance that described rotary encoder rises for calculating ring rail and declines, the position signalling of the arrival of the ring rail collected is input in control unit by described position sensor, the distance signal that the ring rail calculated rises and declines by described rotary encoder is input in control unit.
Whether the initial position 4 of the present embodiment, pull back position 3 and an extreme higher position 1 respectively installation position sensor 6, accurately put in place for detecting ring rail, ring rail guides yarn to be wound around at spool 5.
Described position sensor is touch switch, and whether touch switch is arrived by ring rail and to trigger this switch after assigned address and whether detect ring rail and arrive.
Described control unit comprises position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, the distance signal that described distance signal input module rises for receiving ring rail and declines, described setting value input module is for inputting the setting value of the distance of ring rail rising and decline, described comparison module compares with the distance signal received for the setting value comparing distance, the position signalling that described control signal output module receives according to the comparative result of comparison module and position signalling input module exports different control signals.
Described performance element comprises fluid power system, and fluid power system controls according to the control signal that control unit exports rising and the down maneuver that the direction of its running of hydraulic power oil and speed control ring rail, and the speed rising and decline.

Claims (5)

1. the shaping intelligence control system of spun yarn, is characterized in that: comprise signal gathering unit, control unit and performance element; Whether described signal gathering unit arriving initial position for gathering ring rail, drawing middle yarn position, the signal of pull back position and extreme higher position, described control unit, for the signal that Received signal strength collecting unit collects, control signal is exported after the signal of the signal collected and setting is compared judgement, described performance element, for the control signal that reception control unit exports, control ring rail according to the control signal received and rise and decline.
2. the shaping intelligence control system of spun yarn according to claim 1, it is characterized in that: described signal gathering unit comprises position sensor and rotary encoder, sensor has three, be arranged on initial position respectively, to pull back position and extreme higher position, described position sensor and rotary encoder are all connected on the control unit, whether described position sensor accurately arrives initial position for detecting ring rail, to pull back position and extreme higher position, the distance that described rotary encoder rises for calculating ring rail and declines, the position signalling of the arrival of the ring rail collected is input in control unit by described position sensor, the distance signal that the ring rail calculated rises and declines by described rotary encoder is input in control unit.
3. the shaping intelligence control system of spun yarn according to claim 2, is characterized in that: described position sensor is photo-electric type inductive switch or touch switch.
4. the shaping intelligence control system of spun yarn according to claim 1, it is characterized in that: described control unit is PLC intelligent controller, comprise position signalling input module, distance signal input module, setting value input module, comparison module and control signal output module, described position signalling input module is for receiving the position signalling of the arrival of ring rail, the distance signal that described distance signal input module rises for receiving ring rail and declines, described setting value input module is for inputting the setting value of the distance of ring rail rising and decline, described comparison module compares with the distance signal received for the setting value comparing distance, the position signalling that described control signal output module receives according to the comparative result of comparison module and position signalling input module exports different control signals.
5. the shaping intelligence control system of spun yarn according to claim 1,2 or 4, it is characterized in that: described performance element comprises frequency converter and motor, frequency converter connects and is connected with control unit, motor is connected with frequency converter, motor drives ring rail to rise or declines, the different control signals that frequency converter exports according to control unit control turning to of motor and rotating speed, thus control rising and the down maneuver of ring rail, and the speed rising and decline.
CN201410420184.7A 2014-08-25 2014-08-25 The shaping intelligence control system of spun yarn Active CN104153071B (en)

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CN104357977A (en) * 2014-11-27 2015-02-18 经纬纺织机械股份有限公司 Doffing control device of spinning frame for increasing remained ends
CN104357982A (en) * 2014-11-27 2015-02-18 经纬纺织机械股份有限公司 Method for controlling action of steel collar plate of spinning frame
CN112831873B (en) * 2020-12-31 2022-05-20 盐城师范学院 Independent process independent control system and method based on ring spinning yarn quality

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CS273803B1 (en) * 1989-02-15 1991-04-11 Cernicka Jozef Device for ring plate's run-out control during ring twister's working cycle's ending
JPH03124826A (en) * 1989-09-15 1991-05-28 Zinser Textilmas Gmbh Method and apparatus for stripping cut yarn end part off from cone bundle end of package
CN1109781C (en) * 1993-11-04 2003-05-28 株式会社丰田自动织机制作所 Method of controlling operation for driving cop changer in spinning machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808789A (en) * 1973-01-26 1974-05-07 Owens Corning Fiberglass Corp Apparatus for collection of linear material
CS273803B1 (en) * 1989-02-15 1991-04-11 Cernicka Jozef Device for ring plate's run-out control during ring twister's working cycle's ending
JPH03124826A (en) * 1989-09-15 1991-05-28 Zinser Textilmas Gmbh Method and apparatus for stripping cut yarn end part off from cone bundle end of package
EP0421151A1 (en) * 1989-10-03 1991-04-10 Maschinenfabrik Rieter Ag Coupling-device having a coupling sensor system
CN1109781C (en) * 1993-11-04 2003-05-28 株式会社丰田自动织机制作所 Method of controlling operation for driving cop changer in spinning machine

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