CN1884658A - Pneumatic control device for constant strain electronic unreeling for sizing machine warp - Google Patents
Pneumatic control device for constant strain electronic unreeling for sizing machine warp Download PDFInfo
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- CN1884658A CN1884658A CN 200510040762 CN200510040762A CN1884658A CN 1884658 A CN1884658 A CN 1884658A CN 200510040762 CN200510040762 CN 200510040762 CN 200510040762 A CN200510040762 A CN 200510040762A CN 1884658 A CN1884658 A CN 1884658A
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Abstract
The invention discloses a warp unwinding device of slasher, which is characterized by the following: the variable tension mechanic driving device is allocated on one end of tension roll with deflector rod rear in the resistance tension potentiometer; the output end of resistance tension potentiometer switches in the circuit, which transmits mechanic quantity of warp unwinding tension into electric digital quantity; the digital quantity is transmitted into current analog quantity after calculating; the variation of current analog quantity controls cylinder pressure on the braking roll through proportional valve, which realizes automatic control.
Description
Technical field: the present invention relates to the unwinding the warp device of Sizing machines in a kind of textile machine, especially a kind of signal of telecommunication by electronic unit is controlled a kind of Pneumatic control device for constant strain electronic unreeling for sizing machine warp of pneumatic amount of pressurization.
Background technology:, require warp thread at permanent tension force unwinding shaft on axle in order to guarantee sizing quality.The Sizing machines of prior art is regulated the pressurization extent control of the unwinding amount of warp thread by brake roller.The air pressure that acts on the brake roller is big, and it is few then to emit warp thread, and it is big that warp tension becomes; The air pressure that acts on the brake roller is little, and it is many then to emit warp thread, and warp tension diminishes.In the movement of the warp process, the mechanical type jockey pulley is experienced the tension variation degree of warp thread, and the valve core that drives rotary valve by the guide rod quadric chain rotates, thereby the control brake roller adds the air inflow and the discharge quantity of air cylinder.Because the keying degree of rotary valve is difficult to accurate grasp, this control mode control warp tension precision is low, and because the rotary valve keying amount and the tolerance that veers away are difficult to realize strict proportionate relationship, just can reach steady-working state through the concussion of several times keying.Having is that the functional reliability of rotary valve is poor again, often wants maintenance intervention.
Summary of the invention
The object of the present invention is to provide a kind of above-mentioned shortcoming that overcomes, control pneumatic amount of pressurization, thereby achieve precision height, good stability, Pneumatic control device for constant strain electronic unreeling for sizing machine warp that the degree of reliability is high by the signal of telecommunication of electronic unit.
The technical solution adopted in the present invention is for achieving the above object: contain Sizing machines, jockey pulley, brake roller, cylinder, frame, electric control cabinet, be characterized in: on jockey pulley one axle head, is furnished with the tension change mechanical driving device, driving lever lower end in the tension change mechanical driving device is connected with resistance-type tension force potentiometer, in the resistance-type tension force potentiometer place in circuit, circuit is converted into the mechanical quantity of reflection unwinding the warp tension force the digital quantity of electricity, through after the calculation process, be converted into the current analog amount by digital quantity again, change by the current analog amount is controlled the cylinder pressure that is added on the brake roller through proportioning valve, realizes control automatically.
Described tension change mechanical driving device, be that tensioner fork lower end is fixed on the axle head of jockey pulley, tensioner fork top is crooked to the right, the type that meets at right angles scale pointer, and the middle part of tensioner fork is fixed with the rocking pin that parallels with the scale pointer; On frame one end, is furnished with fixed mount, left surface at fixed mount is furnished with camber scale nameplate accordingly with it below the scale pointer, below rocking pin, is furnished with the tensioner driving lever, the top of driving lever is provided with the driving lever groove, rocking pin is moved to be fitted in the driving lever groove, is furnished with resistance-type tension force potentiometer at the right flank of fixed mount, after the lower end of driving lever is moved and is fitted in the endoporus of being joined on the fixed mount wallboard, allocate in the resistance-type tension force potentiometer, in the output turnover line of resistance-type tension force potentiometer is chewed, be furnished with in the circuit of lead access Electric Appliance Cabinet.
The L of programmable controller PLC, N end points are connected with L, the N end of 220V AC power respectively in the described circuit; L+ on the programmable controller PLC module is connected with L+, the M end of 24V dc source respectively with the M end points, is each module for power supply of programmable controller PLC, drives PLC work; Before stock tank reinstate the end that switch S 1, back stock tank reinstate switch S 2 and be linked into programmable controller PLC input, the other end of switch S 1, S2 is connected with the L+ end of 24V dc source, the M end of the input point in the left side of the input terminal M of programmable controller PLC input module and 24V dc source is connected, the other end formation loop of inner and switch S 1, S2 at circuit; The single group of unwinding stock tank terminates to the output of programmable controller PLC with one of unwinding electromagnetic valve YV3 with unwinding electromagnetic valve YV2, back stock tank with electromagnetic valve YV1, preceding stock tank, the other end of electromagnetic valve YV1, YV2, YV3 is connected with the N end of 220V AC power, output point on the lead-out terminal M left side of programmable controller PLC output module links to each other with the L of 220V AC power end, the other end formation loop of inner and electromagnetic valve YA1, YA2, YA3 at circuit; The U1 of resistance-type tension force potentiometer, U2 two ends add the 0-12v DC voltage, and two outputs of the U1 of resistance-type tension force potentiometer, U2 are connected respectively to analog quantity input CH1, the CH2 of programmable controller PLC; The output of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 is linked into the input of analog quantity, the output that analog quantity is received in the input of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2, be to link to each other by the data wire that programmable controller PLC carries between the module, the power supply end points of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 inserts L+, the M end of 24V dc source respectively; Electromagnetic valve YV5 automatically, is manually controlled in the proparea, electromagnetic valve YV6 automatically, is manually controlled in the back zone, forward and backward district switching solenoid valve (positive often-have-electricity) YV7, the end of forward and backward district switching solenoid valve (positive often-have-electricity) YV8 is connected with two ends for locking switch (normally playing the time spent closure) S3, S4, S5, S6 respectively, electromagnetic valve YV5, YV6, YV7, the YV8 other end insert the N end of 220V AC power respectively, and two other ends for locking switch S3, S4, S5, S6 insert the L end of 220V AC power respectively.
The present invention's beneficial effect compared with prior art: this device has the control accuracy height, and the concussion number of times is few and shock range is little, flight-line maintenance and three few aspect advantages of adjusting number of times when realizing controlled quentity controlled variable.
Description of drawings:
Fig. 1 is a tension change mechanical transmissions structure chart of the present invention;
Fig. 2 is a flow chart of the present invention; Fig. 3 is circuit theory diagrams;
Fig. 4 is a schematic diagram of gas circuit; Fig. 5 is the proportioning valve wiring diagram.
Describe the present invention in detail below in conjunction with accompanying drawing:
As Fig. 1-shown in Figure 5, on an axle head of jockey pulley 16, is furnished with the tension change mechanical driving device, driving lever 6 lower ends in the tension change mechanical driving device are connected with resistance-type tension force potentiometer 5, in resistance-type tension force potentiometer 5 places in circuit, circuit is converted into the mechanical quantity of reflection unwinding the warp tension force the analog quantity of the signal of telecommunication, after Programmable Logic Controller PLC calculation process, produce current analog amount signal, current analog amount control ratio valve, thereby control is added in the cylinder pressure on the brake roller, realizes control automatically.
As shown in Figure 1, the tension change mechanical driving device, be to be fixed on the axle head of jockey pulley 16 by lower end at tensioner fork 12, tensioner fork 12 tops are crooked to the right, the type that meets at right angles scale pointer 11, the middle part of tensioner fork 12 is fixed with the rocking pin 7 that parallels with scale pointer 11; On frame 1 one ends, is furnished with fixed mount 9, left surface at fixed mount 9 is furnished with camber scale nameplate 10 accordingly with it below scale pointer 11, below rocking pin 7, is furnished with tensioner driving lever 6, the top of driving lever 6 is provided with driving lever groove 8, make rocking pin 7 moving fitting in the driving lever groove 8, is furnished with resistance-type tension force potentiometer 5 at the right flank of fixed mount 9, after the lower end of driving lever 6 is moved and is fitted in the endoporus of being joined on fixed mount 9 wallboards, allocate in the resistance-type tension force potentiometer 5, chew in the circuit of being furnished with lead 4 access Electric Appliance Cabinets 2 in 3 at the output turnover line of resistance-type tension force potentiometer 5.The rotation relation of tensioner fork 12 and tensioner driving lever 6 is linear.For this reason, the geometric scale relevant with transmission and the relative position of installation have certain requirement in these two parts, need to increase the rigidity of movement parts, reduce harmful strain.
During work: the fork 12 that is driven on the tensioner by jockey pulley 16 rotates, rocking pin 7 is housed on the tensioner fork 12, rocking pin 7 is inserted in the driving lever groove 8 of tensioner driving lever 6, the wobble drive tensioner driving lever 6 of rocking pin 7 is around the axis swing of resistance-type tension force current potential device 5, thus the output resistance of adjusting resistance-type tension force potentiometer 5.Resistance-type tension force locator 5 and tension force scale nameplate 10 are housed on the fixed mount 9.Can read current warp tension value according to the position of tensioner fork 12 relative tension scale nameplates 10.
As shown in Figure 3, the L of programmable controller PLC, N end points are connected with L, the N end of 220V AC power respectively in the circuit; L+ on the programmable controller PLC module is connected with L+, the M end of 24V dc source respectively with the M end points, is each module for power supply of programmable controller PLC, drives PLC work; Before stock tank reinstate the end that switch S 1, back stock tank reinstate switch S 2 and be linked into programmable controller PLC input, the other end of switch S 1, S2 is connected with the L+ end of 24V dc source, the M end of the input point in the left side of the input terminal M of programmable controller PLC input module and 24V dc source is connected, the other end formation loop of inner and switch S 1, S2 at circuit; The single group of unwinding stock tank terminates to the output of programmable controller PLC with one of unwinding electromagnetic valve YV3 with unwinding electromagnetic valve YV2, back stock tank with electromagnetic valve YV1, preceding stock tank, the other end of electromagnetic valve YV1, YV2, YV3 is connected with the N end of 220V AC power, output point on the lead-out terminal M left side of programmable controller PLC output module links to each other with the L of 220V AC power end, the other end formation loop of inner and electromagnetic valve YA1, YA2, YA3 at circuit; The U1 of resistance-type tension force potentiometer 5, U2 two ends add the 0-12v DC voltage, and two outputs of the U1 of resistance-type tension force potentiometer 5, U2 are connected respectively to analog quantity input CH1, the CH2 of programmable controller PLC; The output of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 is linked into the input of analog quantity, the output that analog quantity is received in the input of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2, be to link to each other by the data wire that programmable controller PLC carries between the module, the power supply end points of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 inserts L+, the M end of 24V dc source respectively; Electromagnetic valve YV5 automatically, is manually controlled in the proparea, electromagnetic valve YV6 automatically, is manually controlled in the back zone, forward and backward district switching solenoid valve (positive often-have-electricity) YV7, the end of forward and backward district switching solenoid valve (positive often-have-electricity) YV8 is connected with two ends for locking switch (normally playing the time spent closure) S3, S4, S5, S6 respectively, electromagnetic valve YV5, YV6, YV7, the YV8 other end insert the N end of 220V AC power respectively, and two other ends for locking switch S3, S4, S5, S6 insert the L end of 220V AC power respectively.
Element is introduced: CPU is the core processing element of programmable controller PLC inside among Fig. 3, and it is bearing whole computing and the processing capacity of programmable controller PLC, and the issue of the storage of program and instruction.The module of band CPU is a primary module, and other module is an expansion module, and not tape handling of expansion module function only is responsible for being connected with outside, and its received signal is sent to primary module, more corresponding output point is delivered in corresponding output after the CPU of process primary module handles.Primary module links to each other by data wire with expansion module.Programmable controller PLC among Fig. 3 input and programmable controller PLC export and are digital quantity, and digital quantity has stability, for the computing of system provides stability.Needs for reality, the analog module that in system, uses, analog quantity as its name suggests, its input and output are analog signals, the size or the position of simulation actual numerical value, what native system adopted is tension force potentiometer 5, what utilize is the electric resistance partial pressure principle, actual is a swept resistance, add the 12V DC voltage at the resistance two ends, when the swept resistance slide plate slides, output voltage on its slide plate changes along with the slide plate change in location, and amplifying in the native system is jockey pulley 16 change in location, drives resistance-type tension force potentiometer 5 and regulates, the adjusting actual conditions of resistance-type tension force potentiometer 5 are exactly moving of slide rheostat slide plate, thereby the output voltage that produces is also along with variation, and the size of output voltage has been reacted the position of jockey pulley 16, and the position of jockey pulley 16 has been reacted the size of tension force again, so the size of tension force is corresponding to the size of output voltage, it is fast that the size of output voltage is that analog signal is sent to programmable controller PLC analog quantity mould.Above analog signal is corresponding in Fig. 3 to be tension force sensing (stock tank before and after having in the native system, because front and back stock tank control principle is identical, so only see when introducing principle that wherein one group of stock tank gets final product) pressure sensing among Fig. 3 is proportioning valve PI1, the actual pressure size of PI2 sends programmable controller PLC to, so that programmable controller PLC makes corresponding processing, be closed-loop control herein, improved control accuracy, when producing analog signal, programmable controller PLC sends proportioning valve PI1 to, during PI2, proportioning valve PI1, PI2 makes corresponding reaction, proportioning valve PI1, the real reaction situation of PI2 produces analog signal by the conversion of inner member, analog signal sends programmable controller PLC again to, programmable controller PLC further handles and gives proportioning valve PI1, the analog signal of PI2, proofread and correct then and give proportioning valve PI1, the analog signal of PI2 is to reach accurate control purpose.Introduce proportioning valve PI1, PI2 below again, its wiring situation is seen Fig. 5, and proportioning valve PI1, PI2 are actual to be the analog quantity controller, the size of control valve when giving analog signal, and self is with the element that detects the valve size.See Fig. 5, the driving of its inside is by the 24V dc source, the input of programmable controller PLC signal is the signal of control ratio valve PI1, PI2 valve size, it is to detect the output of the signal of valve size that signal feedback is given the output of programmable controller PLC, and it feeds back to programmable controller PLC to actual signal.L+ and M are the 24V dc source, and L and N are the 220V AC power.24V and 12V voltage are provided by dc source.
The native system control principle is: select to reinstate one group or two groups of stock tanks by selector switch, when stock tank was reinstated switch S 1 before only reinstating, preceding groove unwinding electromagnetic valve YV2 reinstated, and single cover unwinding electromagnetic valve YV1 reinstates, and pit unwinding electromagnetic valve YV3 stops.When stock tank was reinstated switch S 2 after only reinstating, pit unwinding electromagnetic valve YV3 reinstated, and single cover unwinding electromagnetic valve YV1 reinstates, and preceding groove unwinding electromagnetic valve YV2 stops.Current stock tank is reinstated switch S 1, the back stock tank is reinstated switch S 2 and all risen the time spent, and preceding groove unwinding electromagnetic valve YV2 reinstates, and pit unwinding electromagnetic valve YV3 reinstates, and single cover unwinding electromagnetic valve YV1 stops.The analog signals input is made up of two parts, and first is given by U1, the U2 of resistance-type tension force potentiometer 5, and second portion is a proportioning valve P/I feedback signal.U1, the U2 of resistance-type tension force potentiometer 5 drives potentiometer by jockey pulley 16 to produce analog quantity, during tension variation, the position of jockey pulley 16 is also along with variation, the change in location of jockey pulley 16 drives U1, the U2 change in location of resistance-type tension force potentiometer 5, thereby the analog signals that produces is also followed variation, this process response changed in moment, and instantaneity is higher.The feedback signal of proportioning valve PI1, PI2 is the analog signal of proportioning valve PI1, PI2 real-time pressure, lays a good foundation for proportioning valve PI1, PI2 further respond fast.Analog signal is through the processing of programmable controller PLC, and real-time change simulation controlled quentity controlled variable is reaching control ratio valve PI1, PI2, thus the control unwinding tension.
Pneumatic control principle: as shown in Figure 4, at first automatically, manually control electromagnetic valve YV5, back zone and automatically, manually control on the electromagnetic valve YV6 and to select manually still automatically, only need manual adjustments air pressure size to get final product when manually controlling in the proparea.Narration control automatically below, the proparea automatically, is manually controlled electromagnetic valve YV5, back zone and automatically, is manually controlled electromagnetic valve YV6 and choose automatic control, stock tank is all enabled before and after supposing, the single group of unwinding this moment stock tank must not with electromagnetic valve YV1 so, preceding stock tank must conduct with unwinding electromagnetic valve YV3 with unwinding electromagnetic valve YV2, back stock tank, during operate as normal, forward and backward district switching solenoid valve YV7 and the forward and backward district of another switching solenoid valve YV8 must conduct, and independently control anterior pedestal and rear portion pedestal cylinder by two proportioning valve PI1, PI2 this moment.Suppose only to enable preceding stock tank, this moment, the back stock tank must not with unwinding electromagnetic valve YV3, the single group of unwinding stock tank must conduct with unwinding electromagnetic valve YV2 with electromagnetic valve YV1, preceding stock tank with the single group of electromagnetic valve unwinding stock tank that (stock tank is owing to not enabling at this moment, resistance-type tension force potentiometer 5 can not be reinstated, proportioning valve PI2 does not have control action after the institute), that is to say that forward and backward cylinder is all by preceding stock tank proportioning valve PI1 control.Suppose only to enable the back stock tank, stock tank must not with unwinding electromagnetic valve YV2 before this moment, the single group of unwinding stock tank must conduct with unwinding electromagnetic valve YV3 with electromagnetic valve YV1, back stock tank that (this moment, preceding stock tank was owing to not enabling, resistance-type tension force potentiometer 5 can not be reinstated, proportioning valve PI1 does not have control action before the institute), so forward and backward cylinder is all by back stock tank proportioning valve PI2 control.
Schematic diagram is released and is translated: S1 among the figure, S2 is that preceding stock tank and back stock tank are reinstated switch, S3, S4, S5, S6 is two for locking switch, the normal time spent closure that rises, YV1 is the single group of a unwinding stock tank electromagnetic valve (normal dead electricity, have only when controlling automatically with single stock tank proparea or back zone just), YV2 is preceding stock tank with unwinding electromagnetic valve (dead electricity when single stock tank is controlled automatically with the back zone), YV3 for the back stock tank with unwinding electromagnetic valve (dead electricity when single stock tank is controlled automatically with the proparea), YV5 is that the proparea is automatic, manually control electromagnetic valve, YV6 is that the back zone is automatic, manually control electromagnetic valve, before YV7 is, before back zone switching solenoid valve (positive often-have-electricity), YV8 be, back zone switching solenoid valve (positive often-have-electricity), U1, U2 is a resistance-type tension force potentiometer, PI1, PI2 are preceding stock tank proportioning valve and back stock tank proportioning valve.
The cover program that the present invention worked out, accept the analog electrical resistance of resistance-type tension force locator 5 at programmable controller PLC after, earlier analog quantity is transferred to digital quantity, after calculation process, magnitude of current output with the analog quantity form, size of current is 4-20mA, the keying degree of proportioning valve before and after this Current Control.Also shortened gas circuit from the front and back proportioning valve to the front and back brake roller.Reduce the pneumatic distinctive response lag time, thereby realized the permanent Tension Control of sizing machine chaine unwinding.
In sum, the present invention delivers to the resistance value of tension change mechanical driving device change among the programmable controller PLC, the analog quantity of resistance change is converted into digital quantity, handles, convert the keying degree that corresponding analog electrical flow is controlled preceding proportioning valve and back proportioning valve to through data.Before and after the keying degree of proportioning valve just formed the advancing of front and back brake roller cylinder, discharge quantity control, thereby brake roller is to the pressurization degree through axle before and after regulating, the control warp tension.The front and back brake roller disposes at the front and back stock tank in the Sizing machines.Warp tension after the control obtains reflection then, thereby forms a closed-loop control system again by jockey pulley 16 on tensioner fork 12.
Claims (3)
1, a kind of Pneumatic control device for constant strain electronic unreeling for sizing machine warp, contain Sizing machines, jockey pulley, brake roller, cylinder and pneumatic means, frame, electrical control circuit and switch board, it is characterized in that: on an axle head of jockey pulley, is furnished with the tension change mechanical driving device, driving lever lower end in the tension change mechanical driving device is connected with resistance-type tension force potentiometer, in the resistance-type tension force potentiometer place in circuit, circuit is converted into the mechanical quantity of reflection unwinding the warp tension force the digital quantity of electricity, through after the calculation process, be converted into the current analog amount by digital quantity again, change by the current analog amount is controlled the cylinder pressure that is added on the brake roller through proportioning valve, realizes control automatically.
2, a kind of Pneumatic control device for constant strain electronic unreeling for sizing machine warp according to claim 1, it is characterized in that: the tension change mechanical driving device, be that lower end with the tensioner fork is fixed on the axle head of jockey pulley, tensioner fork top is crooked to the right, the type that meets at right angles scale pointer, the middle part of tensioner fork is fixed with the rocking pin that parallels with the scale pointer; On frame one end, is furnished with fixed mount, left surface at fixed mount is furnished with camber scale nameplate accordingly with it below the scale pointer, below rocking pin, is furnished with the tensioner driving lever, the top of driving lever is provided with the driving lever groove, rocking pin is moved to be fitted in the driving lever groove, is furnished with resistance-type tension force potentiometer at the right flank of fixed mount, after the lower end of driving lever is moved and is fitted in the endoporus of being joined on the fixed mount mast plate, allocate in the resistance-type tension force potentiometer, in the output turnover line of resistance-type tension force potentiometer is chewed, be furnished with in the circuit of lead access Electric Appliance Cabinet.
3, a kind of Pneumatic control device for constant strain electronic unreeling for sizing machine warp according to claim 1 is characterized in that: the L of programmable controller PLC, N end points are connected with L, the N end of 220V AC power respectively in the described circuit; L+ on the programmable controller PLC module is connected with L+, the M end of 24V dc source respectively with the M end points, is each module for power supply of programmable controller PLC, drives PLC work; Before stock tank reinstate the end that switch S 1, back stock tank reinstate switch S 2 and be linked into programmable controller PLC input, the other end of switch S 1, S2 is connected with the L+ end of 24V dc source, the M end of the input point in the left side of the input terminal M of programmable controller PLC input module and 24V dc source is connected, the other end formation loop of inner and switch S 1, S2 at circuit; The single group of unwinding stock tank terminates to the output of programmable controller PLC with one of unwinding electromagnetic valve YV3 with unwinding electromagnetic valve YV2, back stock tank with electromagnetic valve YV1, preceding stock tank, the other end of electromagnetic valve YV1, YV2, YV3 is connected with the N end of 220V AC power, output point on the lead-out terminal M left side of programmable controller PLC output module links to each other with the L of 220V AC power end, the other end formation loop of inner and electromagnetic valve YA1, YA2, YA3 at circuit; The U1 of resistance-type tension force potentiometer, U2 two ends add the 0-12v DC voltage, and two outputs of the U1 of resistance-type tension force potentiometer, U2 are connected respectively to analog quantity input CH1, the CH2 of programmable controller PLC; The output of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 is linked into the input of analog quantity, the output that analog quantity is received in the input of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2, be to link to each other by the data wire that programmable controller PLC carries between the module, the power supply end points of preceding stock tank proportioning valve PI1, back stock tank proportioning valve PI2 inserts L+, the M end of 24V dc source respectively; Electromagnetic valve YV5 automatically, is manually controlled in the proparea, electromagnetic valve YV6 automatically, is manually controlled in the back zone, forward and backward district switching solenoid valve (positive often-have-electricity) YV7, the end of forward and backward district switching solenoid valve (positive often-have-electricity) YV8 is connected with two ends for locking switch (normally playing the time spent closure) S3, S4, S5, S6 respectively, electromagnetic valve YV5, YV6, YV7, the YV8 other end insert the N end of 220V AC power respectively, and two other ends for locking switch S3, S4, S5, S6 insert the L end of 220V AC power respectively.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103510253A (en) * | 2013-09-30 | 2014-01-15 | 吴江唯奇布业有限公司 | Device for automatically adjusting spinning part winding tension |
CN101895066B (en) * | 2009-05-18 | 2014-07-09 | 际华三五四二纺织有限公司 | Novel integrated electric cabinet of coarse spinner |
CN107385745A (en) * | 2017-08-02 | 2017-11-24 | 台嘉玻璃纤维有限公司 | Electronic-grade glass yarn optimizes production system and its method |
CN113106607A (en) * | 2021-03-29 | 2021-07-13 | 南京玻璃纤维研究设计院有限公司 | Multilayer sheet yarn tension pneumatic control system and method |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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SU1618716A1 (en) * | 1987-09-14 | 1991-01-07 | Предприятие П/Я А-3404 | Bobbin holder for unwinding threads of metal cord |
CN1060123A (en) * | 1991-09-17 | 1992-04-08 | 南通第一棉纺织厂 | Tension automatic control system for warper beam unwinding of sizing machine |
CN2153563Y (en) * | 1993-04-01 | 1994-01-19 | 大连市金州区金宇工贸开发公司 | Backing-off tension control device for slasher |
CN2263117Y (en) * | 1996-04-19 | 1997-09-24 | 海门市海天纺织机械技术贸易部 | Pneumatic constant tension device for sizing machine |
-
2005
- 2005-06-22 CN CNB2005100407625A patent/CN100368621C/en not_active Expired - Fee Related
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CN101895066B (en) * | 2009-05-18 | 2014-07-09 | 际华三五四二纺织有限公司 | Novel integrated electric cabinet of coarse spinner |
CN103510253A (en) * | 2013-09-30 | 2014-01-15 | 吴江唯奇布业有限公司 | Device for automatically adjusting spinning part winding tension |
CN107385745A (en) * | 2017-08-02 | 2017-11-24 | 台嘉玻璃纤维有限公司 | Electronic-grade glass yarn optimizes production system and its method |
CN113106607A (en) * | 2021-03-29 | 2021-07-13 | 南京玻璃纤维研究设计院有限公司 | Multilayer sheet yarn tension pneumatic control system and method |
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