CN114457474A - Double-twister speed remote matching method and system thereof - Google Patents
Double-twister speed remote matching method and system thereof Download PDFInfo
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- CN114457474A CN114457474A CN202210008060.2A CN202210008060A CN114457474A CN 114457474 A CN114457474 A CN 114457474A CN 202210008060 A CN202210008060 A CN 202210008060A CN 114457474 A CN114457474 A CN 114457474A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
- D01H1/26—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles with two or more speeds; with variable-speed arrangements
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/32—Counting, measuring, recording or registering devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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Abstract
The invention discloses a double-twisting machine speed remote matching method and a system thereof. According to the invention, the data obtained by the host speed feedback detection device is transmitted to the second control system through the wireless communication module by the first control system, and the second control system processes the data and controls the following motor driving device to complete the speed following function, so that the cost is saved, the operation process is simplified, the influence of human factors can be reduced, and the practicability of the equipment is increased.
Description
Technical Field
The invention relates to the technical field of double twisters, in particular to a double twister speed remote matching method and a double twister speed remote matching system.
Background
Currently, in the field of speed control of wire rope equipment, speed matching of a main motor with wire take-up, traction, wire arrangement, internal over-twisting and external over-twisting is generally achieved by using mechanical transmission. The transmission method is not suitable for the use of SNG800 and above devices, and the large-scale double twister needs to meet the production of steel wire ropes of various types, so that the occupied area of the device is increased when mechanical transmission is used, and the use cost of the device is increased. Equipment manufacturers need to be equipped with gears matched with the steel wire rope models, and the gears need to be replaced frequently according to the steel wire rope structure when a customer uses the steel wire rope, so that the production efficiency is influenced, the manual interference is increased, and the possibility of errors exists.
Therefore, there is a need for a method and system for matching the speed of a two-twisting machine by remote communication.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides a double-twisting machine speed remote matching method and a double-twisting machine speed remote matching system.
In order to achieve the purpose, the invention designs a double-twisting machine speed remote matching method, which comprises the following steps:
1) the first control system receives the set rotating speed V of the host1Setting the rotation speed V of the main machine1Sending the command to a main motor driving device;
2) the main motor driving device receives the set rotating speed V of the main machine sent by the first control system1Setting the rotation speed V according to the host1Calculating the host operating frequency F of the host motor drive1Controlling the main motor to operate;
3) the main machine speed feedback detection device detects the actual rotating speed V of the main motor1', calculating the actual rotation speed V of the main engine1' count as the number of pulses n is fed back to the first control system;
4) the first control system stores the received pulse number n into the first wireless communication controller in a double-integer format;
5) the first wireless communication controller transmits the pulse number n to a second control system in a wireless communication mode;
6) the second control system receives the second wireless communication controller transmissionThe following motor rotating speed V is obtained by calculation according to the pulse number n2Transmitting to a following motor driving device;
7) the following motor driving device receives an operation instruction of a second control system and rotates according to the rotating speed V of the following motor2Calculating the following motor operating frequency F of the following motor driving device2Controlling the following motor to operate;
8) following motor speed feedback detection device for detecting actual rotating speed V of following motor2', will follow the actual rotational speed V of the motor2Feeding back to a following motor driving device for correction;
9) after the following motor driving device is calibrated, feeding back a normal running signal of the following motor to a second control system;
10) the second control system feeds back normal signals along with the operation of the motor to the first control system through the wireless communication between the first wireless communication controller and the second wireless communication controller, so that the control closed loop of the whole system is realized.
Further, in the step 2), the host operating frequency F1Calculated by the following formula:
F1＝(F1 amount of the drug×V1)/V1max
In the formula, F1For the host operating frequency, unit: hz; f1 amount of the drugRated maximum frequency of the main motor, unit: hz; v1maxRated maximum speed of the main motor, unit: r/min; v1Set the rotational speed for the host, unit: r/min.
Further, in step 3), the number of pulses n is calculated by the following formula:
n＝V1’×360
where n is the number of pulses, unit: one/min; v1' is the actual speed of the main motor, in units: r/min.
Further, in the step 6), the rotating speed V of the motor is followed2Calculated by the following formula:
V2＝(n/n1)×k
in the formula, V2To follow the motor speed, unit: r/min; n is the number of pulses, unit: one/min; n is1Feeding back the resolution of the detection device for the host speed; k is the set speed ratio.
Further, in the step 7), the running frequency F of the motor is followed2Calculated by the following formula:
F2＝(F2 amount of×V2)/V2max
In the formula, F2To follow the motor operating frequency, the unit: hz; f2 amount ofTo follow the rated maximum frequency of the motor, the unit: hz; v2maxTo follow the rated maximum speed of the motor, the unit: r/min; v2To follow the motor speed, unit: r/min.
The invention also provides a system designed for realizing the double-twister speed remote matching method, which comprises a first control system, a main motor driving device, a main machine speed feedback detection device, a first wireless communication controller, a second control system, a following motor driving device and a following motor speed feedback detection device;
the data input end of the first control system is connected with the data output end of the set rotating speed of the host; the control signal output end of the first control system is connected with the control signal input end of the main motor driving device: the control signal output end of the main motor driving device is connected with the control signal input end of the main motor;
the data output end of the main motor is connected with the data input end of the host speed feedback detection device, and the feedback signal output end of the host speed feedback detection device is connected with the feedback signal input end of the first control system; the data transmission end of the first control system is connected with the data transmission end of the first wireless communication controller, and the first wireless communication controller is in wireless communication with the second wireless communication controller;
the data transmission end of the second wireless communication controller is connected with the data transmission end of a second control system, and the control signal output end of the second control system is connected with the control signal input end of the following motor driving device;
the control signal output end of the following motor driving device is connected with the control signal input end of the following motor; the data output end of the following motor is connected with the data input end of the following motor speed feedback detection device; the feedback signal output end of the following motor speed feedback detection device is connected with the feedback signal input end of the following motor driving device; and the feedback signal output end of the following motor driving device is connected with the feedback signal input end of the second control system.
Furthermore, the first control system and the second control system both adopt programmable controllers.
Furthermore, the main motor driving device and the following motor driving device both adopt frequency converters.
Still further, the host speed feedback detection device and the following motor speed feedback detection device both adopt encoders.
Furthermore, the first wireless communication controller and the second wireless communication controller both adopt 485 wireless communication modules.
Compared with the prior art, the invention has the following advantages:
firstly, the speed remote matching method of the double twister transmits the data obtained by the speed feedback detection device of the host machine to the second control system through the wireless communication module by the first control system, and the second control system processes the data and then controls the following motor driving device to complete the speed following function, thereby not only saving the cost, but also simplifying the operation flow.
Secondly, the speed remote matching method of the double-twisting machine can easily complete the speed matching problem of each part required by the equipment through electrical control without depending on a complicated control mechanism of mechanical transmission.
Thirdly, the double-twisting machine speed remote matching system can reduce the influence of human factors in the using process of the equipment and increase the practicability of the equipment.
Drawings
FIG. 1 is a schematic control flow diagram of a speed remote matching system of a double twister;
in the figure: the system comprises a first control system 1, a main motor driving device 2, a main machine speed feedback detection device 3, a first wireless communication controller 4, a second wireless communication controller 5, a second control system 6, a following motor driving device 7, a following motor speed feedback detection device 8, a main motor 9 and a following motor 10.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to the embodiments, but they are not intended to limit the present invention and are only examples. While the advantages of the invention will be apparent and readily appreciated by the description.
As shown in fig. 1, a double twister speed remote matching system includes a first control system 1, a main motor driving device 2, a main machine speed feedback detection device 3, a first wireless communication controller 4, a second wireless communication controller 5, a second control system 6, a following motor driving device 7 and a following motor speed feedback detection device 8; the data input end of the first control system 1 is connected with the data output end of the set rotating speed of the host; the control signal output of the first control system 1 is connected to the control signal input of the main motor drive 2: the control signal output end of the main motor driving device 2 is connected with the control signal input end of the main motor 9; the data output end of the main motor 9 is connected with the data input end of the host speed feedback detection device 3, and the feedback signal output end of the host speed feedback detection device 3 is connected with the feedback signal input end of the first control system 1; a data transmission end of the first control system 1 is connected with a data transmission end of the first wireless communication controller 4, and the first wireless communication controller 4 wirelessly communicates with the second wireless communication controller 5;
the data transmission end of the second wireless communication controller 5 is connected with the data transmission end of the second control system 6, and the control signal output end of the second control system 6 is connected with the control signal input end of the following motor driving device 7; the control signal output end of the following motor driving device 7 is connected with the control signal input end of the following motor 10; the data output end of the following motor 10 is connected with the data input end of the following motor speed feedback detection device 8; the feedback signal output end of the following motor speed feedback detection device 8 is connected with the feedback signal input end of the following motor driving device 7; and a feedback signal output end of the following motor driving device 7 is connected with a feedback signal input end of the second control system 6.
In this embodiment, the first control system 1 and the second control system 6 both use programmable controllers. The main motor driving device 2 and the following motor driving device 7 both adopt frequency converters. The host speed feedback detection device 3 and the following motor speed feedback detection device 8 both adopt encoders. The first wireless communication controller 4 and the second wireless communication controller 5 both adopt 485 wireless communication modules.
The invention discloses a double-twister speed remote matching method, which comprises the following steps:
1) the first control system 1 receives the set rotating speed V of the host1Setting the rotation speed V of the main machine1The instruction is sent to the main motor driving device 2;
2) the main motor driving device 2 receives the set rotating speed V of the main machine sent by the first control system 11Setting the rotation speed V according to the host1Calculating the host operating frequency F of the main motor drive 21Controlling the main motor 9 to operate;
wherein the host machine operating frequency F1Calculated by the following formula:
F1＝(F1 amount of the drug×V1)/V1max
In the formula, F1For the host operating frequency, unit: hz; f1 amount of the drugRated maximum frequency of the main motor, unit: hz; v1maxRated maximum speed of the main motor, unit: r/min; v1Set the rotational speed for the host, unit: r/min. Rated maximum frequency F of the main motor1 amount of the drugRated maximum rotating speed V of main motor1maxThe rating of the main motor can be determined based on the selected main motor.
3) The main machine speed feedback detection device 3 detects the actual rotating speed V of the main motor1', calculating the actual rotation speed V of the main engine1' count as number of pulses n is fed back to the first control system 1;
wherein, the pulse number n is calculated by the following formula:
n＝V1’×360
where n is the number of pulses, unit: one/min; v1' is the actual speed of the main motor, in units: r/min.
4) The first control system 1 stores the received pulse number n into the first wireless communication controller 4 in a double-integer format;
5) the first wireless communication controller 4 transmits the pulse number n to the second control system 6 in a wireless communication mode;
6) the second control system 6 receives the pulse number n transmitted by the second wireless communication controller 5, and calculates the following motor rotating speed V according to the pulse number n2Transmitted to the following motor driving device 7;
wherein, following the motor rotation speed V2Calculated by the following formula:
V2＝(n/n1)×k
in the formula, V2To follow the motor speed, unit: r/min; n is the number of pulses, unit: one/min; n is1Feeding back the resolution of the detection device for the host speed; k is the set speed ratio. Resolution n of host speed feedback detection device1The constant value of the speed feedback detection device of the main machine can be determined according to the selected main machine. k is the set speed ratio, i.e. the speed ratio of the main motor to the following motor.
7) The following motor driving device 7 receives an operation instruction of the second control system 6 and rotates according to the rotating speed V of the following motor2Calculating the follower motor operating frequency F of the follower motor drive 72Controlling the following motor 10 to run;
wherein following the motor running frequency F2Calculated by the following formula:
F2＝(F2 amount of×V2)/V2max
In the formula, F2To follow the motor operating frequency, the unit: hz; f2 amount ofTo follow the rated maximum frequency of the motor, the unit: hz; v2maxTo follow the rated maximum speed of the motor, the unit: r/min; v2To follow the motor speed, unit: r/min. In the formula, a following motorRated maximum frequency F2 amount ofRated maximum rotating speed V of following motor2maxThe setpoint value for the follower motor can be determined from the selected follower motor.
8) Following motor speed feedback detection device 8 detects following motor actual rotating speed V2', will follow the actual rotational speed V of the motor2' feeding back to the following motor driving device 7 for correction;
9) the following motor driving device 7 feeds back a following motor operation normal signal to the second control system 6 after calibration;
10) the second control system 6 feeds back normal signals along with the operation of the motor to the first control system 1 through the wireless communication between the first wireless communication controller 4 and the second wireless communication controller 5 to realize the control closed loop of the whole system.
Taking the particular selected main and following motors as examples, the rated maximum frequency F of the main motor1 amount of the drug＝50HZRated maximum speed V of the main motor1max4000 r/min; rated maximum frequency F of the following motor2 amount of＝50HZFollowing the rated maximum speed V of the motor2max3000r/min, speed ratio k 0.6, resolution n of main engine speed feedback detector1Resolution n of the tracking motor speed feedback detection device is 3602＝360。
Then the rotating speed V is set by the input host1Calculating the running frequency F of the main engine as 1000r/min1＝(F1 amount of×V1)/V1max50 × 1000/4000 ═ 12.5 HZ. Detecting the actual rotating speed V of the main motor by a main machine speed feedback detection device1' 1000r/min, pulse number n-V1'. times 360-1000 times 360-360000 pieces/min. When the host speed feedback detection device 3 feeds back a signal to the first control system 1, the first control system 1 stores the pulse number into the first wireless communication controller 4 in a double-integer format by adopting an RS485 communication mode, then transmits the data to the second wireless communication controller 5 in a wireless communication mode, the second wireless communication controller 5 communicates the pulse number to the second control system 6 through the RS485 communication mode when receiving the pulse number, and the second control system 6 receives the pulse number n of 360000After the data of/min, calculating the actual rotating speed V of the host1’＝n/n1360000/360-1000 r/min, and calculating the following motor speed V2＝(n/n1) X k 1000 × 0.6 600 r/min. Then the running frequency F of the following motor driving device 7 is given2＝(F2 amount of×V2)/V2max＝(50×600)/3000＝10HZThe following motor driving device 7 receives the operation signal and then controls the following motor to operate according to the command, and feeds back the operation state instruction to the second control system 6, the second control system 6 transmits the feedback signal to the first control system 1 through the second wireless communication controller 5 and the first wireless communication controller 4 in a communication mode, and if a fault occurs in the operation process, the equipment is shut down and gives an alarm.
While the invention has been described with reference to specific embodiments, it should be understood that various changes and modifications within the spirit and scope of the invention as disclosed herein may be suggested to one skilled in the art and that these changes and modifications are within the scope of the invention and are not in the spirit and purview of the appended claims.
Claims (10)
1. A double-twister speed remote matching method is characterized in that: the method comprises the following steps:
1) the first control system (1) receives the set rotating speed V of the host1Setting the rotation speed V of the main machine1The command is sent to the main motor driving device (2);
2) the main motor driving device (2) receives the set rotating speed V of the main motor sent by the first control system (1)1Setting the rotation speed V according to the host1Calculating the host operating frequency F of the main motor drive (2)1Controlling the main motor (9) to operate;
3) the main machine speed feedback detection device (3) detects the actual rotating speed V of the main motor1', calculating the actual rotation speed V of the main engine1' the number n of pulses is calculated and fed back to the first control system (1);
4) the first control system (1) stores the received pulse number n into the first wireless communication controller (4) in a double-integer format;
5) the first wireless communication controller (4) transmits the pulse number n to the second control system (6) in a wireless communication mode;
6) the second control system (6) receives the pulse number n transmitted by the second wireless communication controller (5), and calculates the following motor rotating speed V according to the pulse number n2To the following motor drive (7);
7) the following motor driving device (7) receives an operation instruction of the second control system (6) and rotates according to the rotating speed V of the following motor2Calculating the following motor operating frequency F of the following motor drive (7)2Controlling the following motor (10) to operate;
8) the following motor speed feedback detection device (8) detects the actual rotating speed V of the following motor2', will follow the actual rotational speed V of the motor2Feedback is given to a following motor driving device (7) for correction;
9) the following motor driving device (7) feeds back a following motor operation normal signal to the second control system (6) after calibration;
10) the second control system (6) feeds back normal signals along with the operation of the motor to the first control system (1) through the wireless communication of the first wireless communication controller (4) and the second wireless communication controller (5) to realize the control closed loop of the whole system.
2. The method of claim 1, wherein: in the step 2), the running frequency F of the host computer1Calculated by the following formula:
F1＝(F1 amount of the drug×V1)/V1max
In the formula, F1For the host operating frequency, unit: hz; f1 amount of the drugRated maximum frequency of the main motor, unit: hz; v1maxRated maximum speed of the main motor, unit: r/min; v1Set the rotational speed for the host, unit: r/min.
3. The method of claim 2, wherein: in step 3), the number of pulses n is calculated by the following formula:
n＝V1’×360
in the formula (I), the compound is shown in the specification,n is the number of pulses, unit: one/min; v1' is the actual speed of the main motor, in units: r/min.
4. The method of claim 3, wherein: in the step 6), the rotating speed V of the motor is followed2Calculated by the following formula:
V2＝(n/n1)×k
in the formula, V2To follow the motor speed, unit: r/min; n is the number of pulses, unit: one/min; n is1Feeding back the resolution of the detection device for the host speed; k is the set speed ratio.
5. The method of claim 4, wherein: in the step 7), following the running frequency F of the motor2Calculated by the following formula:
F2＝(F2 amount of×V2)/V2max
In the formula, F2To follow the motor operating frequency, the unit: hz; f2 amount ofTo follow the rated maximum frequency of the motor, the unit: hz; v2maxTo follow the rated maximum speed of the motor, the unit: r/min; v2To follow the motor speed, unit: r/min.
6. A system designed for realizing the method for remotely matching the speed of the double twister according to any one of claims 1-5, wherein: the system comprises a first control system (1), a main motor driving device (2), a main machine speed feedback detection device (3), a first wireless communication controller (4), a second wireless communication controller (5), a second control system (6), a following motor driving device (7) and a following motor speed feedback detection device (8);
the data input end of the first control system (1) is connected with the data output end of the set rotating speed of the host; the control signal output end of the first control system (1) is connected with the control signal input end of the main motor driving device (2): the control signal output end of the main motor driving device (2) is connected with the control signal input end of the main motor (9);
the data output end of the main motor (9) is connected with the data input end of the host speed feedback detection device (3), and the feedback signal output end of the host speed feedback detection device (3) is connected with the feedback signal input end of the first control system (1); the data transmission end of the first control system (1) is connected with the data transmission end of a first wireless communication controller (4), and the first wireless communication controller (4) is in wireless communication with a second wireless communication controller (5);
the data transmission end of the second wireless communication controller (5) is connected with the data transmission end of a second control system (6), and the control signal output end of the second control system (6) is connected with the control signal input end of a following motor driving device (7);
the control signal output end of the following motor driving device (7) is connected with the control signal input end of the following motor (10); the data output end of the following motor (10) is connected with the data input end of a following motor speed feedback detection device (8); the feedback signal output end of the following motor speed feedback detection device (8) is connected with the feedback signal input end of the following motor driving device (7); and a feedback signal output end of the following motor driving device (7) is connected with a feedback signal input end of the second control system (6).
7. The system of claim 6, wherein: the first control system (1) and the second control system (6) both adopt programmable controllers.
8. The system of claim 6, wherein: the main motor driving device (2) and the following motor driving device (7) both adopt frequency converters.
9. The system of claim 6, wherein: the host speed feedback detection device (3) and the following motor speed feedback detection device (8) both adopt encoders.
10. The system of claim 6, wherein: the first wireless communication controller (4) and the second wireless communication controller (5) both adopt 485 wireless communication modules.
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| GB1459894A (en) * | 1973-05-23 | 1976-12-31 | Zinser Textilmaschinen Gmbh | Spinning or twisting machine with delivery rollers and draw rollers |
| ES2168924A1 (en) * | 1999-12-03 | 2002-06-16 | I Llongueras Jordi Galan | Independent torsioning unit |
| CN103345195A (en) * | 2013-06-14 | 2013-10-09 | 湖北三江航天江北机械工程有限公司 | Independent control method and system for steel cord of double twisting strander |
| CN103997259A (en) * | 2014-04-24 | 2014-08-20 | 南京工程学院 | Dual-motor coaxial drive anti-backlash control system and anti-backlash control method thereof |
| CN105350119A (en) * | 2015-12-18 | 2016-02-24 | 哈尔滨麻袋袜业有限公司 | Synchronized linkage control system and control method for linen wet spinning frame |
| CN205062557U (en) * | 2015-09-29 | 2016-03-02 | 湖北三江航天江北机械工程有限公司 | Improve device of synchronous precision of wire rope equipment rotating part |
| CN110460266A (en) * | 2018-05-06 | 2019-11-15 | 西北农林科技大学 | Bi-motor cooperates with conveying control device |
-
2022
- 2022-01-06 CN CN202210008060.2A patent/CN114457474B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1459894A (en) * | 1973-05-23 | 1976-12-31 | Zinser Textilmaschinen Gmbh | Spinning or twisting machine with delivery rollers and draw rollers |
| ES2168924A1 (en) * | 1999-12-03 | 2002-06-16 | I Llongueras Jordi Galan | Independent torsioning unit |
| CN103345195A (en) * | 2013-06-14 | 2013-10-09 | 湖北三江航天江北机械工程有限公司 | Independent control method and system for steel cord of double twisting strander |
| CN103997259A (en) * | 2014-04-24 | 2014-08-20 | 南京工程学院 | Dual-motor coaxial drive anti-backlash control system and anti-backlash control method thereof |
| CN205062557U (en) * | 2015-09-29 | 2016-03-02 | 湖北三江航天江北机械工程有限公司 | Improve device of synchronous precision of wire rope equipment rotating part |
| CN105350119A (en) * | 2015-12-18 | 2016-02-24 | 哈尔滨麻袋袜业有限公司 | Synchronized linkage control system and control method for linen wet spinning frame |
| CN110460266A (en) * | 2018-05-06 | 2019-11-15 | 西北农林科技大学 | Bi-motor cooperates with conveying control device |
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