CN114457474B - Remote matching method and system for speed of double twister - Google Patents
Remote matching method and system for speed of double twister Download PDFInfo
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- CN114457474B CN114457474B CN202210008060.2A CN202210008060A CN114457474B CN 114457474 B CN114457474 B CN 114457474B CN 202210008060 A CN202210008060 A CN 202210008060A CN 114457474 B CN114457474 B CN 114457474B
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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 speed remote matching method and a speed remote matching system for a double-twisting machine. 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, the second control system processes the data and then controls the following motor driving device to complete the speed following function, so that the cost is saved, the operation flow is simplified, the influence of human factors can be reduced, and the practicability of the equipment is improved.
Description
Technical Field
The invention relates to the technical field of double twisting machines, in particular to a method and a system for remotely matching the speed of a double twisting machine.
Background
Currently, in the field of speed control of wire rope equipment, speed matching of a main motor with winding, pulling, winding displacement, internal over-twisting and external over-twisting is generally achieved by using mechanical transmission. Of course, the transmission method is not suitable for the SNG800 and above equipment, and because the large double twisting machine needs to meet the production of various types of steel wire ropes, the main reasons are that the occupied area of the equipment is increased and the use cost of the equipment is increased when the mechanical transmission is used. The equipment manufacturer needs to be equipped with the gear that matches with wire rope model, and the customer needs to change the gear often according to wire rope structure when using, influences production efficiency and increases artifical interference, exists the possibility of making mistakes.
Therefore, there is a need for a method and system for implementing speed matching of a double twisting machine by remote communication.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a two-twisting machine speed remote matching method and a system thereof.
In order to achieve the above purpose, the invention provides a speed remote matching method of a double twisting machine, which comprises the following steps:
1) The first control system receives the set rotating speed V of the main motor 1 Setting the rotation speed V of the main motor 1 The instruction is sent to the main motor driving device;
2) The main motor driving device receives the set rotating speed V of the main motor sent by the first control system 1 Setting the rotation speed V according to the main motor 1 Calculating the main motor operating frequency F of the main motor driving device 1 Controlling the operation of the main motor;
3) Main machine speed feedback detection device detects actual rotation speed V of main motor 1 ' the actual rotation speed V of the host machine 1 ' calculating as the pulse number n and feeding 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 the second wireless communication controller in a wireless communication mode;
6) The second control system receives the pulse number n transmitted by the second wireless communication controller, and calculates the following motor rotating speed V according to the pulse number n 2 And transmitted to the following motor driving device;
7) The following motor driving device receives the operation instruction of the second control system according to the rotating speed V of the following motor 2 Calculating the following motor operating frequency F of the following motor driving device 2 Controlling the following motor to run;
8) The following motor speed feedback detection device detects the actual rotating speed V of the following motor 2 ' will follow the actual rotational speed V of the motor 2 ' feedback to the following motor drive for calibration;
9) After the calibration of the following motor driving device, feeding back a following motor operation normal signal to the second control system;
10 The second control system feeds back a normal signal of the following motor to the first control system in a wireless communication mode through the first wireless communication controller and the second wireless communication controller so as to realize control closed loop of the whole system.
Further, in the step 2), the main motor operating frequency F 1 Calculated from the following formula:
F 1 ＝(F 1 forehead ×V 1 )/V 1max
Wherein F is 1 The unit is the main motor operating frequency: hz; f (F) 1 forehead Rated maximum frequency of the main motor, unit: hz; v (V) 1max Rated maximum rotation speed of the main motor, unit: r/min; v (V) 1 Setting a rotating speed for a main motor, wherein the unit is as follows: r/min.
Further, in the step 3), the number n of pulses is calculated by the following formula:
n＝V 1 ’×360
wherein n is the number of pulses, unit: a step of individual/min; v (V) 1 ' is the actual rotational speed of the main motor, unit: r/min.
Further, in the step 6), the motor rotation speed V is followed 2 Calculated from the following formula:
V 2 ＝(n/n 1 )×k
wherein V is 2 To follow motor speed, units: r/min; n is the number of pulses, unit: a step of individual/min; n is n 1 Feeding back the resolution of the detection device for the host speed; k is the set speed ratio.
Further, in the step 7), the motor operation frequency F is followed 2 Calculated from the following formula:
F 2 ＝(F 2 forehead ×V 2 )/V 2max
Wherein F is 2 To follow the motor operating frequency, units: hz; f (F) 2 forehead To follow the rated maximum frequency of the motor, units: hz; v (V) 2max To follow the rated maximum speed of the motor, units: r/min; v (V) 2 To follow motor speed, units: r/min.
The invention also provides a system designed for realizing the remote matching method of the speed of the double twisting machine, which comprises a first control system, a main motor driving device, a host 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 main motor; 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 the 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.
Further, the first control system and the second control system both adopt programmable controllers.
Further, the main motor driving device and the following motor driving device both adopt frequency converters.
Still further, the host machine speed feedback detection device and the following motor speed feedback detection device both adopt encoders.
Still further, 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 twisting machine transmits the data obtained by the speed feedback detection device of the host machine to the second control system through 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, so that the cost is saved, and the operation flow is simplified.
Secondly, the speed remote matching method of the double twisting machine can easily complete the speed matching problem of all parts required by equipment through electric control without depending on a mechanical transmission complex control mechanism.
Thirdly, the speed remote matching system of the double twisting machine can reduce the influence of human factors in the using process of equipment and increase the practicability of the equipment.
Drawings
FIG. 1 is a schematic diagram of a control flow of a remote matching system for speed of a double twisting machine;
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 examples, but they are not to be construed as limiting the invention. While at the same time becoming clearer and more readily understood by way of illustration of the advantages of the present invention.
The remote matching system of the speed of the double twisting machine shown in fig. 1 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 main motor; 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 the first wireless communication controller 4, and the first wireless communication controller 4 and the second wireless communication controller 5 are in wireless communication;
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; the feedback signal output of the following motor drive 7 is connected to the feedback signal input of the second control system 6.
In this embodiment, the first control system 1 and the second control system 6 are programmable controllers. The main motor drive 2 and the following motor drive 7 both use 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 are both 485 wireless communication modules.
The invention discloses a speed remote matching method of a double twisting machine, which comprises the following steps:
1) The first control system 1 receives the set rotation speed V of the main motor 1 Setting the rotation speed V of the main motor 1 The instruction is sent to the main motor driverA moving device 2;
2) The main motor driving device 2 receives the main motor set rotating speed V sent by the first control system 1 1 Setting the rotation speed V according to the main motor 1 Calculating the main motor operating frequency F of the main motor drive 2 1 Controlling the operation of the main motor 9;
wherein the main motor operating frequency F 1 Calculated from the following formula:
F 1 ＝(F 1 forehead ×V 1 )/V 1max
Wherein F is 1 The unit is the main motor operating frequency: hz; f (F) 1 forehead Rated maximum frequency of the main motor, unit: hz; v (V) 1max Rated maximum rotation speed of the main motor, unit: r/min; v (V) 1 Setting a rotating speed for a main motor, wherein the unit is as follows: r/min. Rated maximum frequency F of main motor 1 forehead Rated maximum rotation speed V of main motor 1max The rated value of the main motor can be determined according to the selected main motor.
3) The host machine speed feedback detection device 3 detects the actual rotation speed V of the main motor 1 ' the actual rotation speed V of the host machine 1 ' is calculated as the pulse number n and fed back to the first control system 1;
the number n of pulses is calculated by the following formula:
n＝V 1 ’×360
wherein n is the number of pulses, unit: a step of individual/min; v (V) 1 ' is the actual rotational speed of the main motor, unit: 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 wireless communication controller 5 in a wireless communication manner;
6) The second control system 6 receives the pulse number n transmitted by the second wireless communication controller 5, and calculates the following motor rotation speed V according to the pulse number n 2 And transmitted to the following motor driving device 7;
wherein follows the motor speed V 2 Calculated by the following formula：
V 2 ＝(n/n 1 )×k
Wherein V is 2 To follow motor speed, units: r/min; n is the number of pulses, unit: a step of individual/min; n is n 1 Feeding back the resolution of the detection device for the host speed; k is the set speed ratio. Resolution n of host speed feedback detection device 1 The constant value of the detecting device is fed back for the speed of the host machine, and the constant value can be determined according to the selected main motor. k is a set speed ratio, i.e. the speed ratio of the main motor to the following motor.
7) The following motor driving device 7 receives the operation instruction of the second control system 6 according to the rotation speed V of the following motor 2 Calculating the following motor operating frequency F of the following motor drive 7 2 Control the following motor 10 to run;
wherein follows the motor operating frequency F 2 Calculated from the following formula:
F 2 ＝(F 2 forehead ×V 2 )/V 2max
Wherein F is 2 To follow the motor operating frequency, units: hz; f (F) 2 forehead To follow the rated maximum frequency of the motor, units: hz; v (V) 2max To follow the rated maximum speed of the motor, units: r/min; v (V) 2 To follow motor speed, units: r/min. In which the rated maximum frequency F of the following motor 2 forehead Rated maximum speed V of following motor 2max For the setpoint value of the following motor, it can be determined from the following motor selected.
8) The following motor speed feedback detection device 8 detects the actual rotation speed V of the following motor 2 ' will follow the actual rotational speed V of the motor 2 ' feedback to the following motor drive 7 for calibration;
9) The following motor driving device 7 feeds back a following motor operation normal signal to the second control system 6 after checking;
10 The second control system 6 feeds back a normal signal of the following motor to the first control system 1 in a wireless communication manner through the first wireless communication controller 4 and the second wireless communication controller 5 so as to realize the control closed loop of the whole system.
Taking a specifically selected main motor and a following motor as examples, the rated maximum frequency F of the main motor 1 forehead ＝50H Z Rated maximum rotation speed V of main motor 1max =4000 r/min; maximum rated frequency F of following motor 2 forehead ＝50H Z Following the rated maximum rotational speed V of the motor 2max =3000 r/min, speed ratio k=0.6, resolution n of host speed feedback detection device 1 Resolution n of following motor speed feedback detection means =360 2 ＝360。
The rotation speed V is set by inputting the main motor 1 The operation frequency F of the main motor is calculated by the method of the motor with the speed of 1000r/min 1 ＝(F 1 forehead ×V 1 )/V 1max =50×1000/4000=12.5 HZ. Detecting the actual rotation speed V of the main motor through a main machine speed feedback detection device 1 ' 1000r/min, pulse number n=v 1 ' x 360=1000 x 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 transmits the pulse number to the second control system 6 through RS485 communication when receiving the pulse number, and the second control system 6 calculates the actual host speed V after receiving the pulse number n=360000/min data 1 ’＝n/n 1 =360000/360=1000 r/min, and then the following motor rotation speed V is calculated 2 ＝(n/n 1 ) Xk=1000×0.6=600r/min. Then the following motor drive 7 is given an operating frequency F 2 ＝(F 2 forehead ×V 2 )/V 2max ＝(50×600)/3000＝10H Z The 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 can transmit the feedback signal to the first control system 1 in a communication manner through the second wireless communication controller 5 and the first wireless communication controller 4, and if the equipment with faults is stopped and alarms in the operation process.
The foregoing is merely exemplary embodiments of the present invention, and it should be noted that any changes and substitutions that would be easily recognized by those skilled in the art within the scope of the present invention are intended to be covered by the present invention, and the remaining details are not described in detail as prior art.
Claims (6)
1. A remote matching method for the speed of a double twisting machine is characterized by comprising the following steps: the method comprises the following steps:
1) The first control system (1) receives the set rotating speed V of the main motor 1 Setting the rotation speed V of the main motor 1 The instruction is sent to a 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) 1 Setting the rotation speed V according to the main motor 1 Calculating the main motor operating frequency F of the main motor drive (2) 1 Controlling the operation of the main motor (9); wherein the main motor operating frequency F 1 Calculated from the following formula:
F 1 ＝(F 1 forehead ×V 1 )/V 1max
Wherein F is 1 The unit is the main motor operating frequency: hz; f (F) 1 forehead Rated maximum frequency of the main motor, unit: hz; v (V) 1max Rated maximum rotation speed of the main motor, unit: r/min; v (V) 1 Setting a rotating speed for a main motor, wherein the unit is as follows: r/min;
3) The main machine speed feedback detection device (3) detects the actual rotation speed V of the main motor 1 ' the actual rotation speed V of the main motor 1 ' counting as the pulse number n and feeding back to the first control system (1); the number n of pulses is calculated by the following formula:
n＝V 1 ’×360
wherein n is the number of pulses, unit: a step of individual/min; v (V) 1 ' is the actual rotational speed of the main motor, unit: 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 wireless communication controller (5) 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 n 2 And transmitted to a following motor driving device (7); wherein follows the motor speed V 2 Calculated from the following formula:
V 2 ＝(n/n 1 )×k
wherein V is 2 To follow motor speed, units: r/min; n is the number of pulses, unit: a step of individual/min; n is n 1 Feeding back the resolution of the detection device for the host speed; k is a set speed ratio;
7) The following motor driving device (7) receives the operation instruction of the second control system (6) according to the rotation speed V of the following motor 2 Calculating the following motor operating frequency F of the following motor drive (7) 2 Controlling the following motor (10) to run; wherein follows the motor operating frequency F 2 Calculated from the following formula:
F 2 ＝(F 2 forehead ×V 2 )/V 2max
Wherein F is 2 To follow the motor operating frequency, units: hz; f (F) 2 forehead To follow the rated maximum frequency of the motor, units: hz; v (V) 2max To follow the rated maximum speed of the motor, units: r/min; v (V) 2 To follow motor speed, units: r/min;
8) The following motor speed feedback detection device (8) detects the actual rotation speed V of the following motor 2 ' will follow the actual rotational speed V of the motor 2 ' feedback to the following motor drive (7) for calibration;
9) After the calibration, the following motor driving device (7) feeds back a following motor operation normal signal to the second control system (6);
10 The second control system (6) feeds back a following motor operation normal signal to the first control system (1) in a wireless communication mode through the first wireless communication controller (4) and the second wireless communication controller (5) so as to realize control closed loop of the whole system.
2. A system designed to implement the two-for-one speed remote matching method of claim 1, characterized by: the device comprises a first control system (1), a main motor driving device (2), a host 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 main motor; 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 the first wireless communication controller (4), and the first wireless communication controller (4) is in wireless communication 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); the feedback signal output end of the following motor driving device (7) is connected with the feedback signal input end of the second control system (6).
3. The system according to claim 2, wherein: the first control system (1) and the second control system (6) are programmable controllers.
4. The system according to claim 2, wherein: the main motor driving device (2) and the following motor driving device (7) both adopt frequency converters.
5. The system according to claim 2, wherein: the host machine speed feedback detection device (3) and the following motor speed feedback detection device (8) both adopt encoders.
6. The system according to claim 2, wherein: the first wireless communication controller (4) and the second wireless communication controller (5) are both 485 wireless communication modules.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE2326176A1 (en) * | 1973-05-23 | 1974-12-12 | Zinser Textilmaschinen Gmbh | SPINNING OR TWISTING MACHINE WITH DELIVERY ROLLERS AND GALETTES |
| ES2168924B1 (en) * | 1999-12-03 | 2003-11-01 | I Llongueras Jordi Galan | INDEPENDENT UNIT OF TORQUE. |
| CN103345195B (en) * | 2013-06-14 | 2015-06-24 | 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 |
| 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 |
| CN105350119B (en) * | 2015-12-18 | 2017-07-21 | 哈尔滨麻袋袜业有限公司 | Synchronous interaction control system and control method for flax 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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