CN103966714A - Method and device for detecting electric spindle tension and broken yarn in spinning machine - Google Patents
Method and device for detecting electric spindle tension and broken yarn in spinning machine Download PDFInfo
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- CN103966714A CN103966714A CN201310034120.9A CN201310034120A CN103966714A CN 103966714 A CN103966714 A CN 103966714A CN 201310034120 A CN201310034120 A CN 201310034120A CN 103966714 A CN103966714 A CN 103966714A
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Abstract
The invention discloses a method for detecting electric spindle tension and broken yarn in a spinning machine. The method comprises the following steps: a motor independently drives a spindle, the input end of the motor is connected with a drive circuit; a detection circuit is used for detecting the current value and the speed value passing through the motor in real time, and the change of the tension on a yarn is judged according to the change of the current value or the speed value; during the spindle spinning operation process, the fact that the yarn on the spindle is broken is judged when the current value suddenly decreases or the speed value suddenly increases. The detection circuit and the drive circuit are connected with a control circuit; the control circuit reads the current value and the speed value and outputs a signal or adjusts the output of a control circuit according to the change of the current value or the speed value. The method is implemented through the control circuit. The control circuit comprises a programmable controller and a digital signal processing system. According to the yarn tension, the following commands are outputted including stopping feeding roving in the case of yarn breakage, stopping operation of an electric spindle or decelerating operation, so that cop is formed in an excellent manner, the difference between spindles is reduced, after yarn is broken, feeding of the roving is automatically stopped, and loss of the roving is reduced.
Description
Technical field:
The present invention relates to electricity field, relate in particular to Electronic Control and detection technique for textile machine, the particularly detection technique of yarn tension on electronic single ingot of fine spining machine, concrete is electric ingot tension force and broken yarn detection method and device in a kind of fine spining machine.
Background technology:
In textile industry, extensively adopt fine spining machine, by rove by drawing-off, twist, be spun into spun yarn.Fine spining machine comprises feed mechanism, drafter, twisting and winding mechanism and winding shaping mechanism.Wherein, include spindle and steel traveler in twisting and winding mechanism, the bobbin of collecting yarn is arranged on spindle, with spindle rotation, when spindle revolution, drives steel traveler revolution by sliver, and steel traveler often turns over a circumference, adds a turn to the yarn after drawing-off.Traditional fine spining machine, drives whole spindles to rotate by a power input mechanism, the broken yarn situation producing on None-identified part spindle.In prior art, each spindle of part fine spining machine all adopts an independent motor to drive separately, by being set on steel traveler or near steel traveler, sensor detects rotary state or the halted state of steel traveler, in the time that steel traveler stops the rotation, the yarn of this steel traveler of judgement traction ruptures.This broken yarn detection method by detection steel traveler rotary state need to arrange separately sensor for each steel traveler, cause fine spining machine complex structure, meanwhile, can only judge broken yarn, can not reflect that the tension force situation on yarn is avoided broken yarn to immediately adjust tension force.Above-mentioned deficiency of the prior art all can cause that spinning quality is not high, cop build is undesirable, spinning efficiency is low.
Summary of the invention:
The object of the present invention is to provide electric ingot tension force and broken yarn detection method in a kind of fine spining machine, in described this fine spining machine, electric ingot tension force and broken yarn detection method will solve the technical problem of mechanism's complexity in the technical problem of the tension force situation that cannot detect yarn on fine spining machine spindle in prior art and yarn breakage detection method.
Electric ingot tension force and broken yarn detection method in this fine spining machine of the present invention, comprise the process of utilizing a motor to drive separately a spindle, described motor includes input, described input is connected with a drive circuit by control line, wherein, drive separately in the process of spindle at the described motor that utilizes, detect in real time by the current value of this motor or the velocity amplitude of this motor, according to the variation of the variation of described current value or velocity amplitude, judge the tension variation of yarn on spindle.
Further, in the time detecting that in spindle spinning running, current value declines suddenly, judge yarn breakage on this spindle.
Or, in the time detecting that spindle spinning running medium velocity value rises suddenly, judge yarn breakage on this spindle.
Or, detect in real time by the current value of this motor and the velocity amplitude of this motor, in the time detecting that current value occurs in spindle spinning running simultaneously declines situation about suddenly rising with velocity amplitude suddenly, judge yarn breakage on this spindle.
Further, utilize a testing circuit to detect described current value or velocity amplitude or current value and velocity amplitude, described testing circuit is connected with described drive circuit.
Further, described testing circuit is connected with a control circuit with described drive circuit, utilize described control circuit reading current value, voltage value and velocity amplitude, and according to the output of the variation output signal of current value, velocity amplitude or adjustment control circuit.
Further, utilize a control circuit to send in the time of yarn breakage and stop the signal that rove feeds, stops motor rotation or decelerate.
Further, in described control circuit, be provided with communication interface, utilize communication interface and connection that control circuit is connected on a communication bus, on described communication bus, be connected with a master controller.
The present invention also provides a kind of device of realizing electric ingot tension force and broken yarn detection method in above-mentioned fine spining machine, described this device comprises a motor-drive circuit, wherein, described motor-drive circuit is connected with a control circuit, on described control circuit, be connected with a current detection circuit, in control circuit, include a Programmable Logic Controller or digital information processing system.
Further, include a communication interface in control circuit, described communication interface is connected with a communication bus.
Operation principle of the present invention is: electric ingot is by fine spining machine spindle and motor is compound forms, wherein the rotor of motor is fixed on the spindle blade of spindle, the stator of motor is arranged on a housing, and housing is combined with the bolster of spindle and is formed spun yarn machine electric spindle, and the housing of electric ingot is fixed in fine voile machine.Motor drives rotation by drive circuit under control circuit control, control circuit reads the data messages such as motor rotation electric current, voltage, speed, fault in real time by testing circuit, and carry out computing and draw spindle operation conditions by being preset in control circuit the program in programming device, whether and it is normal to differentiate running speed, yarn tension whether normally, whether have a broken yarn etc., and stop rove feeding, stop the instructions such as electric ingot running or decelerate according to yarn tension situation output broken yarn.
The present invention and prior art are compared, and its effect is actively with obvious.The present invention utilizes electric current, velocity checking circuits to measure in real time the current value of the motor that drives separately spindle in fine spining machine and the programming device computing that velocity amplitude utilization is preset in control circuit obtains spindle operation conditions, thereby judge that online whether yarn tension is normal, and stop rove feeding, stop the instructions such as electric ingot running or decelerate according to yarn tension situation output broken yarn.The present invention can make that cop build is good, yarn qualities improves, poorly between ingot reduce, rove automatic stop is fed after broken yarn, reduces rove loss, and complete machine operational efficiency improves.
Brief description of the drawings:
Fig. 1 is the schematic diagram of electric ingot tension force and Yarn break checkout gear in the fine spining machine in the present invention.
Fig. 2 is that in the fine spining machine in multiple the present invention, electric ingot tension force and Yarn break checkout gear are operated in the schematic diagram in same fine spining machine.
Fig. 3 is the spindle in electric ingot tension detecting apparatus and the structural representation of motor in fine spining machine in the present invention.
Detailed description of the invention:
Embodiment 1:
Electric ingot tension force and broken yarn detection method in fine spining machine of the present invention, comprise the process of utilizing a motor to drive separately a spindle, described motor includes input, described input is connected with a drive circuit by control line, wherein, drive separately in the process of spindle at the described motor that utilizes, detect in real time by the current value of this motor or the velocity amplitude of this motor, according to the variation of the variation of described current value or velocity amplitude, judge the tension variation of yarn on spindle.
Further, in the time detecting that in spindle spinning running, current value declines suddenly, judge yarn breakage on this spindle.
Or, in the time detecting that spindle spinning running medium velocity value rises suddenly, judge yarn breakage on this spindle.
Or, detect in real time by the current value of this motor and the velocity amplitude of this motor, in the time detecting that current value occurs in spindle spinning running simultaneously declines situation about suddenly rising with velocity amplitude suddenly, judge yarn breakage on this spindle.
Further, utilize a testing circuit to detect described current value or velocity amplitude or current value and velocity amplitude, described testing circuit is connected with described drive circuit.
Further, described testing circuit is connected with a control circuit with described drive circuit, utilize described control circuit reading current value, voltage value and velocity amplitude, and according to the output of the variation output signal of current value, velocity amplitude or adjustment control circuit.
Further, utilize a control circuit to send in the time of yarn breakage and stop the signal that rove feeds, stops motor rotation or decelerate.
Further, in described control circuit, be provided with communication interface, utilize communication interface and connection that control circuit is connected on a communication bus, on described communication bus, be connected with a master controller.
As shown in Figure 1, Figure 2 and Figure 3, the present invention also provides a kind of device of realizing electric ingot tension force and broken yarn detection method in above-mentioned fine spining machine, in described this fine spining machine, electric ingot tension detecting apparatus comprises a motor-drive circuit (not shown), wherein, described motor-drive circuit is connected with a control circuit 1, on described control circuit 1, be connected with a current detection circuit (not shown), in control circuit 1, include a Programmable Logic Controller or digital information processing system.
Further, include a communication interface (not shown) in control circuit 1, described communication interface is connected with a communication bus 2.On communication bus 2, be connected with a master controller 3.
The operation principle of the present embodiment is: the rotor 5 of motor 4 is fixedly connected with the spindle blade of fine spining machine spindle 6, and the stator 7 of motor 4 is fixed in fine voile machine by a housing 8.Motor 4 drives rotation by drive circuit under control circuit 1 is controlled, control circuit 1 reads the data messages such as motor 4 revolution electric current, voltage, speed, fault in real time by testing circuit, and carry out computing and draw spindle 6 operation conditions by being preset in control circuit 1 program in programming device, whether and it is normal to differentiate running speed, yarn tension whether normally, whether have a broken yarn etc., and output stops electric ingot running or decelerate instruction according to yarn tension situation, or stop rove feed mechanism 9 output action signals to one.
Concrete, in the embodiment shown in Figure 2, on a control circuit 1, connecting more than two motor 4 of number, multiple control circuits 1 are connected on communication bus 2 jointly, by master controller 3 centralized Control.
Claims (10)
1. electric ingot tension force and broken yarn detection method in a fine spining machine, comprise the process of utilizing a motor to drive separately a spindle, described motor includes input, described input is connected with a drive circuit by control line, it is characterized in that: drive separately in the process of spindle at the described motor that utilizes, detect by the current value of this motor or the velocity amplitude of this motor in real time, according to the variation of the variation of described current value or velocity amplitude, judge the tension variation of yarn on spindle.
2. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 1, is characterized in that: in the time detecting that in spindle spinning running, current value declines suddenly, judge yarn breakage on this spindle.
3. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 1, is characterized in that: in the time detecting that spindle spinning running medium velocity value rises suddenly, judge yarn breakage on this spindle.
4. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 1, it is characterized in that: detect in real time by the current value of this motor and the velocity amplitude of this motor, detect while there is current value declines suddenly and velocity amplitude rises suddenly situation in spindle spinning running simultaneously, judge yarn breakage on this spindle.
5. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 1, it is characterized in that: utilize a testing circuit to detect described current value or velocity amplitude or current value and velocity amplitude, described testing circuit is connected with described drive circuit.
6. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 5, it is characterized in that: described testing circuit is connected with a control circuit with described drive circuit, utilize described control circuit reading current value, voltage value and velocity amplitude, and according to the output of the variation output signal of current value, velocity amplitude or adjustment control circuit.
7. electric ingot tension force and broken yarn detection method in the fine spining machine as described in claim 2 or 3 or 4, is characterized in that: utilize a control circuit to send in the time of yarn breakage and stop the signal that rove feeds, stops motor rotation or decelerate.
8. electric ingot tension force and broken yarn detection method in fine spining machine as claimed in claim 6, it is characterized in that: in described control circuit, be provided with communication interface, utilize communication interface and connection that control circuit is connected on a communication bus, on described communication bus, be connected with a master controller.
9. realize the device of electric ingot tension force and broken yarn detection method in fine spining machine claimed in claim 1 for one kind, comprise a motor-drive circuit, it is characterized in that: described motor-drive circuit is connected with a control circuit, on described control circuit, be connected with a current detection circuit, in control circuit, include a Programmable Logic Controller or digital information processing system.
10. electric ingot tension force and Yarn break checkout gear in fine spining machine as claimed in claim 8, is characterized in that: in control circuit, include a communication interface, described communication interface is connected with a communication bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310034120.9A CN103966714A (en) | 2013-01-29 | 2013-01-29 | Method and device for detecting electric spindle tension and broken yarn in spinning machine |
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| CN201310034120.9A CN103966714A (en) | 2013-01-29 | 2013-01-29 | Method and device for detecting electric spindle tension and broken yarn in spinning machine |
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| CN103966714A true CN103966714A (en) | 2014-08-06 |
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| CN201310034120.9A Pending CN103966714A (en) | 2013-01-29 | 2013-01-29 | Method and device for detecting electric spindle tension and broken yarn in spinning machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048794A (en) * | 2016-08-18 | 2016-10-26 | 刘慧� | Yarn break protecting method for spinning frame |
| CN106087154A (en) * | 2016-08-24 | 2016-11-09 | 宁夏如意科技时尚产业有限公司 | A kind of problem spindle alignment system for spinning frame and method |
| CN106192101A (en) * | 2016-08-18 | 2016-12-07 | 刘慧� | A kind of chemical fibre spinning frame broken yarn determination methods |
| CN107826895A (en) * | 2017-12-04 | 2018-03-23 | 广东溢达纺织有限公司 | Yarn break checkout gear and warp sizing machine |
| CN113201818A (en) * | 2021-05-06 | 2021-08-03 | 湖北天门纺织机械股份有限公司 | System and method for adjusting drafting multiple of back zone of spinning frame |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048794A (en) * | 2016-08-18 | 2016-10-26 | 刘慧� | Yarn break protecting method for spinning frame |
| CN106192101A (en) * | 2016-08-18 | 2016-12-07 | 刘慧� | A kind of chemical fibre spinning frame broken yarn determination methods |
| CN107956013A (en) * | 2016-08-18 | 2018-04-24 | 刘慧� | A kind of spinning frame broken yarn guard method |
| CN108048972A (en) * | 2016-08-18 | 2018-05-18 | 刘慧� | A kind of spinning frame broken yarn guard method |
| CN108203855A (en) * | 2016-08-18 | 2018-06-26 | 陈玉玲 | A kind of spinning frame broken yarn protects system |
| CN106192101B (en) * | 2016-08-18 | 2018-07-24 | 日照品特裕华纺织科技有限公司 | A kind of chemical fibre spinning frame broken yarn judgment method |
| CN108048972B (en) * | 2016-08-18 | 2020-05-12 | 滦南县万泽纺织有限公司 | Broken yarn protection method for spinning frame |
| CN106087154A (en) * | 2016-08-24 | 2016-11-09 | 宁夏如意科技时尚产业有限公司 | A kind of problem spindle alignment system for spinning frame and method |
| CN107826895A (en) * | 2017-12-04 | 2018-03-23 | 广东溢达纺织有限公司 | Yarn break checkout gear and warp sizing machine |
| CN107826895B (en) * | 2017-12-04 | 2024-03-19 | 广东溢达纺织有限公司 | Broken yarn detection device and sizing machine |
| CN113201818A (en) * | 2021-05-06 | 2021-08-03 | 湖北天门纺织机械股份有限公司 | System and method for adjusting drafting multiple of back zone of spinning frame |
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Application publication date: 20140806 |