CN104298168A - Control system of carbon fiber constant line speed active filament supply machine - Google Patents
Control system of carbon fiber constant line speed active filament supply machine Download PDFInfo
- Publication number
- CN104298168A CN104298168A CN201410608008.6A CN201410608008A CN104298168A CN 104298168 A CN104298168 A CN 104298168A CN 201410608008 A CN201410608008 A CN 201410608008A CN 104298168 A CN104298168 A CN 104298168A
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- plc
- supplying machine
- carbon fiber
- control system
- servo
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/16—Plc to applications
- G05B2219/163—Domotique, domestic, home control, automation, smart, intelligent house
Abstract
The invention provides a control system of a carbon fiber constant line speed active filament supply machine. The control system comprises a touch screen, a PLC, a servo driver, a servo motor, a broken filament detection device, a distance measuring device, a filament pay-off machine drawing roller and a buzzer, wherein the touch screen is arranged on the PLC, the PLC is connected with the servo driver through a communication line, the servo driver is connected with the servo motor through a communication line, and the servo motor is connected with the broken filament detection device; the broken filament detection device is connected with the filament pay-off machine drawing roller; the distance measuring device is connected with the PLC, and the broken filament detection device is further connected with the buzzer. The control system has the advantages that the filament pay-off tension of a filament take-up and pay-off machine in the filament pay-off process can be effectively controlled and is kept constant, the fiber length is monitored, and the functions of giving an alarm and halting are achieved; the device working quality and efficiency are improved.
Description
Technical field
The present invention relates to the production plant field of carbon fiber, refer to the control system of a kind of carbon fiber uniformly linear active silk supplying machine especially.
Background technology
Carbon fiber (Carbon Fibre) is fibrous material with carbon element, and in chemical composition, carbon accounts for more than 90% of gross mass.Carbon fiber and compound substance thereof have high specific strength, and high ratio modulus is high temperature resistant, corrosion-resistant, endurance, creep resistant, conduction, heat transfer, with a series of excellent properties such as thermal expansivity is little, they both as structured material bearing load, can play a role as functional material again.Carbon fiber product has become the grand strategy goods and materials of economic development and Defence business with the property of its excellence, beautiful, Deng developed country very payes attention to and greatly develops, but affect the quality of carbon fiber product because China's carbon fibre precursor quality does not pass a test always, the countries such as U.S., day strictly limit again China's export carbon fiber, thus greatly constrain the development of China's military affairs and aerospace industry, also limit the exploitation of relevant civil area simultaneously.For breaking the gordian technique, critical equipment and the relevant supporting technology thereof that restrict China's carbon fiber industry development, the entirety research and development, the production technology level that improve China's carbon fiber industry have its own strategic significance.Through development for many years, only have viscose glue (cellulose) base fiber, pitch fibers and polyacrylonitrile (PAN) fiber three kinds of raw materials to prepare carbon fiber technique at present and achieve industrialization.The carbonization yield of polyacrylonitrile (PAN) base carbon fibre is higher than viscose rayon, can more than 45% be reached, and because production procedure, solvent recovery, the aspects such as three-protection design are all simple than viscose rayon, and cost is low, abundant raw material source, add the mechanical property of PAN-based carbon fiber, especially tensile strength, tensile modulus etc. are first of three kinds of carbon fibers.So be that current application is the widest, a kind of carbon fiber that output is also maximum.The process flow diagram that PAN base carbon fibre is produced as shown in Figure 1, as seen wherein be its indispensable part in integrated artistic for silk equipment.
My company has has researched and developed successfully traditional carbon fiber silk supplying equipment, if the patent No. is the patent equipment " a kind of carbon fiber silk supplying machine " of ZL200910035388.8, although this equipment is through Optimal improvements; But the control system still lacked the entirety for silk device, tradition silk supplying machine relies on frequency converter to add AC induction motor and completes main actions, following defect can be caused like this: 1, tension force is unbalanced, 2, the length of fiber cannot be monitored, 3, stubble warning device cannot be realized shut down; Because the V/F control mode that frequency converter adopts, reaction velocity is sensitive not, and tension force may be caused uneven; Because do not remember long device, cannot realize remembering that long value obtains and show in real time; It is passive for silk technology that equipment adopts, and cannot realize stubble warning device, need special messenger to guard, waste of manpower resource.Therefore, improve on the basis of former type, develop a kind of new control system and solve the problems of the technologies described above and be significant in this area.
Summary of the invention
The defect existed for prior art and deficiency, the invention provides the control system of a kind of carbon fiber uniformly linear active silk supplying machine, by adopting PLC control system, to ensure the identical tension of wire feeding system, and detect in real time, display current fibre length, solve stubble warning device problem.For achieving the above object, the control system of a kind of carbon fiber uniformly linear active silk supplying machine that the present invention proposes, adopt following technical scheme, this system comprises:
Touch-screen, for display parameter information and man-machine conversation;
PLC, is used for sending out movement instruction to servo-driver;
Servo-driver, is used for receiving the order rear drive servomotor of PLC;
Servomotor, completes the control of the action to thread supplying machine by thread supplying machine running part;
Circuit wire detecting device, the fracture of wire situation of detection fibers, sends local flaw signal when fracture of wire;
Distance measuring equipment, for accurately measuring the diameter of current draw roll, guarantees to calculate accuracy.
Thread supplying machine draw roll, for realize receive thread supplying machine put an action;
Hummer, for stubble warning device etc.;
In the PLC that touch-screen is wherein arranged, PLC is connected with servo-driver by order wire, and servo-driver is connected with servomotor by order wire, and servomotor is connected with circuit wire detecting device; Circuit wire detecting device is connected with thread supplying machine draw roll; Distance measuring equipment is connected with PLC, and circuit wire detecting device is also connected to hummer.
For the further improvement of the technical program, the mathematical model institute program that described PLC is built according to the Changing Pattern of tension force, controls the running of servomotor, controls to realize uniformly linear;
For the further improvement of the technical program, described PLC is provided with start button and stop button; The startup of Non-follow control thread supplying machine draw roll and stopping;
For the further improvement of the technical program, described distance measuring equipment adopts ultrasonic distance-measuring sensor.
The principle of work of equipment of the present invention is mainly: along with the number of plies of fiber on roller increases, the tension force on surface also changes thereupon, instead of constant, so put silk in order to what realize identical tension, then need the Changing Pattern finding out tension force, build model, control the rotating speed of draw roll, realize the control of surperficial identical tension, the concrete servomotor that adopts controls, the uniformly linear that PLC developing algorithm realizes servomotor rotates, to reach the control overflow of surperficial identical tension.
Control procedure is that PLC is as control module, PLC sends command pulse to servo-driver, servo-driver receives command pulse rear drive servomotor and rotates, stubble warning device problem is solved by circuit wire detecting device, if there is fracture of wire situation in silk process, then yarn break inspect sends local flaw signal to PLC, and PLC stop pulse exports, hummer rings simultaneously, reminds operator to occur fracture of wire situation.Show current note by touch-screen long, setting parameters, realizes the visuality of operation.
From above embodiment of the present invention, the control system of carbon fiber uniformly linear active silk supplying machine proposed by the invention, compared with prior art, has following advantage:
1. can monitor fibre length in real time by touch-screen, for silk rotating speed, the parameters such as current residual amount;
2. by PLC founding mathematical models, PLC controls servo, realizes uniformly linear and controls, reach the control overflow of identical tension, reduce the probability of fracture of wire, save time;
3. accurately measure current diameter by ultrasonic distance-measuring sensor, guarantee to calculate accuracy;
4. by the application of circuit wire sensor, realize stubble warning device, operating personnel can be reminded to check, save artificial.
Accompanying drawing explanation
Fig. 1 is the production procedure schematic diagram of carbon fiber;
Fig. 2 is the inner structure schematic diagram of the control system of carbon fiber uniformly linear of the present invention active silk supplying machine, wherein:
1-touch-screen; 2-distance measuring equipment; 3-circuit wire detecting device; 4-thread supplying machine draw roll; 5-hummer; 6-servomotor; 7-servo-driver; 8-PLC controller.
Fig. 3 is that in the control system of carbon fiber uniformly linear of the present invention active silk supplying machine, PLC realizes the schematic diagram of uniformly linear for the mathematical algorithm of silk.
Embodiment
In order to understand technology contents of the present invention better, institute accompanying drawings is coordinated to illustrate especially exemplified by specific embodiment, as shown in Figure 2, the control system of a kind of carbon fiber uniformly linear that the present invention proposes initiatively silk supplying machine, adopt following technical scheme, this system comprises:
Touch-screen 1, for display parameter information and man-machine conversation;
PLC 8, is used for servo-driver 7 movement instructions;
Servo-driver 7, is used for receiving the order rear drive servomotor 6 of PLC 8;
Servomotor 6, completes the control of the action to thread supplying machine by thread supplying machine draw roll 4;
Circuit wire detecting device 3, the fracture of wire situation of detection fibers, sends local flaw signal when fracture of wire;
Distance measuring equipment 2, for accurately measuring the diameter of current draw roll, guarantees to calculate accuracy.
Thread supplying machine draw roll 4, for realize receive thread supplying machine put an action;
Hummer 5, for stubble warning device etc.;
In the PLC 8 that touch-screen 1 is wherein arranged, PLC 8 is connected with servo-driver 7 by order wire, and servo-driver 7 is connected with servomotor 6 by order wire, and servomotor 6 is connected with circuit wire detecting device 3; Circuit wire detecting device 3 is connected with thread supplying machine draw roll 4; Distance measuring equipment 2 is connected with PLC 8, and circuit wire detecting device 3 is also connected to hummer 5.
Further optimization, described PLC 8 according to the Changing Pattern of tension force build the program that mathematical model compiles, control the running of servomotor 6, control to realize uniformly linear; Described PLC 8 is provided with start button and stop button; The startup of Non-follow control thread supplying machine draw roll 4 and stopping; Described distance measuring equipment 2 adopts ultrasonic distance-measuring sensor;
The principle of work of equipment of the present invention is mainly: along with the number of plies of fiber on roller increases, the tension force on surface also changes thereupon, instead of constant, so put silk in order to what realize identical tension, then need the Changing Pattern finding out tension force, build model, control the rotating speed of draw roll, realize the control of surperficial identical tension, the concrete servomotor that adopts controls, the uniformly linear that PLC developing algorithm realizes servomotor rotates, to reach the control overflow of surperficial identical tension.Control procedure is that PLC is as control module, PLC sends command pulse to servo-driver, servo-driver receives command pulse rear drive servomotor and rotates, stubble warning device problem is solved by circuit wire detecting device, if there is fracture of wire situation in silk process, then yarn break inspect sends local flaw signal to PLC, and PLC stop pulse exports, hummer rings simultaneously, reminds operator to occur fracture of wire situation.Show current note by touch-screen long, setting parameters, realizes the visuality of operation.
Fig. 3 is that in the control system of carbon fiber uniformly linear of the present invention active silk supplying machine, PLC realizes the schematic diagram of uniformly linear for the mathematical algorithm of silk; The uniformly linear that PLC developing algorithm realizes servomotor rotates, to reach the control overflow of fiber surface identical tension.
In sum, the technical scheme of the control system of carbon fiber uniformly linear active silk supplying machine provided by the invention, effectively can control to receive silk machine putting puts thread tension in a process, it is made to keep constant, ensure that the operation of the continuous and stable of equipment, solve that tension force is unbalanced, length that fiber cannot be monitored, the technical matterss such as stubble warning device shutdown cannot be realized; Improve its work quality and efficiency.
The present invention discloses as above by way of example, in any form the present invention be not construed as limiting and limit, scope of the present invention is as the criterion with claims, and all do not exceed the apparent amendment of present inventive concept, conversion and replacement scheme all within the scope of the present invention.
Claims (4)
1. a control system for carbon fiber uniformly linear active silk supplying machine, is characterized in that system comprises:
Touch-screen, for display parameter information and man-machine conversation;
PLC, is used for sending out movement instruction to servo-driver;
Servo-driver, is used for receiving the order rear drive servomotor of PLC;
Servomotor, completes the control of the action to thread supplying machine by thread supplying machine running part;
Circuit wire detecting device, the fracture of wire situation of detection fibers, sends local flaw signal when fracture of wire;
Distance measuring equipment, for accurately measuring the diameter of current draw roll, guarantees to calculate accuracy;
Thread supplying machine draw roll, for realize receive thread supplying machine put an action;
Hummer, for stubble warning device etc.;
In the PLC that touch-screen is wherein arranged, PLC is connected with servo-driver by order wire, and servo-driver is connected with servomotor by order wire, and servomotor is connected with circuit wire detecting device; Circuit wire detecting device is connected with thread supplying machine draw roll; Distance measuring equipment is connected with PLC, and circuit wire detecting device is also connected to hummer.
2. the control system of carbon fiber uniformly linear active silk supplying machine according to claim 1, it is characterized in that: the mathematical model institute program that described PLC is built according to the Changing Pattern of tension force, control the running of servomotor, control to realize uniformly linear.
3. the control system of carbon fiber uniformly linear active silk supplying machine according to claim 1, is characterized in that: described PLC is provided with start button and stop button; The startup of Non-follow control thread supplying machine draw roll and stopping.
4. the control system of carbon fiber uniformly linear active silk supplying machine according to claim 1, is characterized in that: described distance measuring equipment adopts ultrasonic distance-measuring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410608008.6A CN104298168A (en) | 2014-11-03 | 2014-11-03 | Control system of carbon fiber constant line speed active filament supply machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410608008.6A CN104298168A (en) | 2014-11-03 | 2014-11-03 | Control system of carbon fiber constant line speed active filament supply machine |
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| CN104298168A true CN104298168A (en) | 2015-01-21 |
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| CN201410608008.6A Pending CN104298168A (en) | 2014-11-03 | 2014-11-03 | Control system of carbon fiber constant line speed active filament supply machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538386A (en) * | 2015-12-04 | 2016-05-04 | 镇江奥立特机械制造有限公司 | Cutting device of carbon fiber collector |
| CN111063159A (en) * | 2019-12-26 | 2020-04-24 | 冯玉辉 | Rear spinning drafting broken yarn alarm system |
| CN113186624A (en) * | 2021-04-16 | 2021-07-30 | 山西钢科碳材料有限公司 | Carbon fiber broken filament reminding device and carbon fiber production system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538386A (en) * | 2015-12-04 | 2016-05-04 | 镇江奥立特机械制造有限公司 | Cutting device of carbon fiber collector |
| CN111063159A (en) * | 2019-12-26 | 2020-04-24 | 冯玉辉 | Rear spinning drafting broken yarn alarm system |
| CN113186624A (en) * | 2021-04-16 | 2021-07-30 | 山西钢科碳材料有限公司 | Carbon fiber broken filament reminding device and carbon fiber production system |
| CN113186624B (en) * | 2021-04-16 | 2023-04-14 | 山西钢科碳材料有限公司 | Carbon fiber broken wire reminding device and carbon fiber production system |
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Application publication date: 20150121 |