CN215032316U - Servo curling system for cold-rolled steel coil - Google Patents
Servo curling system for cold-rolled steel coil Download PDFInfo
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- CN215032316U CN215032316U CN202120570922.1U CN202120570922U CN215032316U CN 215032316 U CN215032316 U CN 215032316U CN 202120570922 U CN202120570922 U CN 202120570922U CN 215032316 U CN215032316 U CN 215032316U
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Abstract
The utility model provides a servo system of curling of cold-rolled steel coil, includes pressure sensor, speedtransmitter, laser rangefinder sensor, pressure transmitter, signal processor, microprocessor, servo system PLC switch board, control display screen, servo motor that curls, a serial communication port, pressure sensor install at the spindle of coiling machine, speedtransmitter installs in the department of keeping silent that the roll board got into the coiling machine, laser rangefinder sensor installs on the both sides backplate of pincers department, pressure sensor inserts pressure transmitter, vibration sensor inserts vibration transmitter, speedtransmitter inserts signal processor, laser rangefinder sensor inserts microprocessor, inserts servo system PLC switch board jointly, switch board send instruction gives servo motor and shows on control display screen, the beneficial effects of the utility model: the control precision of the servo motor of the coiling machine is effectively improved, the control precision of the coiling tension is improved, the coiling quality of the coiled plate is improved, and unnecessary waste in the coiling process is avoided.
Description
Technical Field
The utility model relates to a cold rolled steel coil control field especially relates to a servo system of curling of cold rolled steel coil.
Background
The coiler is an auxiliary device of a rolling mill plant for coiling a hot-rolled or cold-rolled steel into a roll shape, and is applied to many industries after a finishing stand is disposed on a hot strip mill (hot continuous rolling mill train), a cold strip mill and a wire mill, and is a typical steel plate coiler in the metallurgical industry in terms of complexity.
Traditional coiling machine is in the during operation according to established procedure operation, adopts the rotatory winding coil of strip that curls of coiling machine cantilever to become coiled, and the speed governing reaction of buncher is slower than the conveying speed of steel sheet, and control accuracy is low, easily causes the unable rolling of steel sheet of head and afterbody for big section steel sheet is extravagant, and direct current motor equipment is more complicated moreover, and occupation space is great.
Disclosure of Invention
The utility model provides a servo system of curling of cold-rolled steel coil, it is inflexible to roll up the board operation in order to solve traditional coiling machine, and the precision is not high, easily causes the extravagant scheduling problem of cold-rolled coil board, adopts the better servo motor of precision to replace original DC adjustable speed motor, and the servo system of curling of cooperation PLC control coiling machine servo motor's roll board operation improves the operating accuracy of coiling machine, reduces the waste of cold-rolled coil board.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a servo coiling system for cold rolled steel coils comprises a pressure sensor, a speed sensor, a laser ranging sensor, a pressure transmitter, a signal processor, a microprocessor, a PLC control cabinet of the servo coiling system, a control display screen and a servo motor, the pressure sensor is arranged on a mandrel of the coiling machine, the speed sensor is arranged at a jaw position where a coiled plate enters the coiling machine, the laser ranging sensor is arranged on two side guard plates at the jaw position, the pressure sensor is connected with the pressure transmitter, the vibration sensor is connected with the vibration transmitter, the speed sensor is connected with the signal processor, the laser ranging sensor is connected with the microprocessor, the pressure transmitter, the signal processor and the microprocessor are connected with the PLC control cabinet of the servo coiling system together, the PLC control cabinet of the servo coiling system sends an instruction to the servo motor, and all data of the servo coiling system are visually displayed on the control display screen.
And the pressure sensor receives a pressure change signal of the cold-rolled coil to the mandrel and transmits the pressure change signal to the pressure transmitter.
The speed sensor monitors the access speed of the cold-rolled coil at the jaw and transmits a speed analog signal to the signal processor.
The laser ranging sensor emits laser from two sides, respectively measures the time length from the laser emitted from the sensor to the edges of the steel plates at two sides, and sends the laser emission time length to the microprocessor.
The pressure transmitter converts the received pressure analog signal into a pressure digital signal and transmits the digital signal to the PLC control cabinet of the servo crimping system.
The signal processor receives the running speed analog signal of the cold-rolled coil, converts the analog signal into a digital signal and transmits the digital signal to the PLC control cabinet of the servo coiling system.
The microprocessor receives the emission time length from the laser ranging sensor, calculates the distance from the cold-rolled coil to the edge of the track through calculation, calculates the distance from the edge of the coil to the two ends of the coiling jaw, and sends the processing result to the PLC control cabinet of the servo coiling system.
The PLC control cabinet of the servo coiling system receives digital signals of the pressure transmitter, the signal processor and the microprocessor, and issues control instructions to the servo motor and the movable control rod through programming analysis.
The servo motor controls and changes the rotating speed through a servo system to control the coiling speed of the mandrel of the coiling machine.
The control display screen is used for centralized display of the control condition of the whole coiling machine servo coiling system.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the servo coiling system controls the operation of the coiling machine, so that the production is smoother, the continuous operation performance is better, the rotating speed is better controlled by the servo motor, the phenomenon that the coiled plate is coiled more tightly or too loosely due to overspeed is avoided, and the rotating speed of the coiling machine is adjusted according to the conveying speed of the cold-rolled coiled plate.
2) The servo coiling system can better control the coiling precision of the cold-rolled coil plate, the coiling tension control precision of the coil plate is better, and the cutting waste of the cold-rolled coil plate is reduced.
3) The servo motor uses alternating current, occupies a small area, has a more compact structure, and is more suitable for processing and producing the integrated cold-rolled coil.
Drawings
Fig. 1 is a schematic view of a flow of a servo coiling system for cold-rolled steel coils according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in FIG. 1, a servo coiling system for cold-rolled steel coils comprises a pressure sensor, a speed sensor, a laser distance measuring sensor, a pressure transmitter, a signal processor, a microprocessor, a PLC control cabinet of the servo coiling system, a control display screen, a servo encoder and a servo motor, the pressure sensor is arranged on a mandrel of the coiling machine, the speed sensor is arranged at a jaw position where a coiled plate enters the coiling machine, the laser ranging sensor is arranged on two side guard plates at the jaw position, the pressure sensor is connected with the pressure transmitter, the speed sensor is connected with the signal processor, the laser ranging sensor is connected with the microprocessor, the pressure transmitter, the signal processor and the microprocessor are connected with the servo coiling system PLC control cabinet together, the servo coiling system PLC control cabinet sends an instruction to the servo motor, and all data of the servo coiling system are visually displayed on the control display screen.
The pressure sensor receives pressure change of the cold-rolled coil on the mandrel, transmits a pressure analog signal to the pressure transmitter, detects the pressure of the cold-rolled coil on the mandrel in the coiling process through the pressure sensor, and calculates the coiling amount of the cold-rolled coil, so that the rotating speed of the servo motor is adjusted.
The speed sensor monitors the access speed of the cold-rolled coil at the jaw, speed analog signals are transmitted to the signal processor, the speed sensor can sense the speed of the coil when the coil enters the coiling machine, so that the speed of the servo motor is adjusted and controlled according to the speed of the coil, and the phenomenon that tension is too tight or too loose is avoided.
The laser ranging sensor emits laser from two sides, the laser ranging sensor respectively measures the time length from the laser to the edges of the steel plates on the two sides, the laser emitting time length is sent to the microprocessor, the laser ranging sensor can measure whether the rolled plate deviates between the rolled plate and the coiling machine or not, the condition of misalignment occurs, and the deviated rolled plate is re-centered to enter the coiling machine through the movable control rod arranged on the jaw.
The pressure transmitter converts the received pressure analog signal into a pressure digital signal and transmits the digital signal to the PLC control cabinet of the servo crimping system.
The signal processor receives the running speed analog signal of the cold-rolled coil, converts the analog signal into a digital signal and transmits the digital signal to the PLC control cabinet of the servo coiling system.
The microprocessor receives the emission time length from the laser ranging sensor, calculates the distance from the cold-rolled coil to the edge of the track through calculation, calculates the distance from the edge of the coil to the two ends of the coiling jaw, and sends the processing result to the PLC control cabinet of the servo coiling system.
The servo coiling system PLC control cabinet receives digital signals of the pressure transmitter, the signal processor and the microprocessor, issues control instructions to the servo encoder and the moving control rod through programming analysis, is internally provided with a PLC control program, can analyze various received data, and sends instructions to other coiling machine parts such as the servo motor and the moving control rod.
The servo motor controls the coiling speed of the mandrel of the coiling machine by changing the rotating speed, the servo motor issues execution to a servo encoder in the servo motor through a PLC control program, the servo encoder controls the servo motor to control the servo motor to be higher in precision and better in accuracy.
The control display screen is used for centralized display of the control condition of the whole coiling machine servo coiling system.
The utility model relates to a servo system of curling of cold rolled steel coil's theory of operation is: the servo motor is adopted to replace the original direct current variable speed motor, and the servo motor is controlled by matching a field pressure sensor, a speed sensor and a laser ranging sensor with a PLC program, so that the curling speed of the coiling machine is controlled, the coiling tension and the coiling quality of a coiled plate are ensured, and the curling precision is improved.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ examples ] A method for producing a compound
As shown in figure 1, a pressure sensor, a speed sensor and a laser ranging sensor are arranged at a control monitoring position of a coiling machine, the pressure sensor, the speed sensor and the laser ranging sensor are connected to a pressure transmitter, a signal processor and a microprocessor through data lines, the pressure transmitter, the signal processor and the microprocessor are connected into a PLC control cabinet of a servo coiling system through transmission lines, and command signals in the PLC control cabinet of the servo coiling system are transmitted to a control display screen.
The cold-rolled steel coil production line operates, when the cold-rolled steel coil production line passes through the jaw, the laser ranging sensor measures whether the position of a cold-rolled coil is consistent with the coiling center of the coiling machine, deviation occurs, an instruction is issued to the movable control rod through PLC program analysis, the jaw track is controlled to be deviated and centered, and the coiling center of the coil is guaranteed.
The cold-rolled coil passes through the position of keeping silent, measures the speed that the position of keeping silent coiled sheet got into the coiling machine through the speed sensor of the position of keeping silent, gives servo crimping system PLC switch board with data transfer through signal processor, utilizes PLC program analysis back servo encoder to issue the instruction and give servo motor, changes its rotational speed, guarantees the crimping precision of coiled sheet.
The pressure sensor on the mandrel of the coiling machine transmits data to a program in a PLC control cabinet of a servo coiling system through the pressure sensor according to the pressure transmitted by the cold-rolled coil in the coiling process to analyze the coiling condition of the coil, calculate the coiling tension of the cold-rolled coil according to the pressure, control a servo motor to adjust the rotating speed through an instruction transmitted to a servo encoder to accurately control the coiling tension, and improve the coiling precision of the coil.
Can also the comprehensive analysis cold-rolled coil of strip's lapping condition through servo crimping system PLC switch board, steel sheet is cut off in accurate control, reduces extravagant production.
The utility model discloses in use effectively improves coiling machine servo motor control accuracy, improves the tension control accuracy that curls, improves the lapping quality of roll board, avoids the unnecessary waste of lapping in-process.
Claims (10)
1. A servo coiling system for cold rolled steel coils comprises a pressure sensor, a speed sensor, a laser ranging sensor, a pressure transmitter, a signal processor, a microprocessor, a PLC control cabinet of the servo coiling system, a control display screen and a servo motor, the servo curling system is characterized in that a pressure sensor is arranged on a mandrel of a coiler, a speed sensor is arranged at a jaw position where a coiled plate enters the coiler, laser ranging sensors are arranged on two side protection plates at the jaw position, the pressure sensor is connected with a pressure transmitter, a vibration sensor is connected with a vibration transmitter, the speed sensor is connected with a signal processor, the laser ranging sensors are connected with a microprocessor, the pressure transmitter, the signal processor and the microprocessor are connected with a PLC control cabinet of the servo curling system together, the PLC control cabinet of the servo curling system sends an instruction to a servo motor, and all data of the servo curling system are visually displayed on a control display screen.
2. The servo coiling system for the cold rolled steel coil as claimed in claim 1, wherein the pressure sensor receives the pressure variation signal of the cold rolled coil to the mandrel and transmits the signal to the pressure transmitter.
3. The servo coil curling system for cold-rolled steel coils as claimed in claim 1, wherein the speed sensor monitors the engagement speed of the cold-rolled plate at the nip and transmits a speed analog signal to the signal processor.
4. The servo coiling system for cold rolled steel coils as claimed in claim 1, wherein the laser ranging sensors emit laser from both sides, respectively measure the time length from the laser emitted from the sensors to the edges of the steel plates at both sides, and send the laser emitting time length to the microprocessor.
5. The servo coiling system for the cold rolled steel coil as claimed in claim 1, wherein the pressure transmitter converts the received pressure analog signal into a pressure digital signal, and then transmits the digital signal to a PLC control cabinet of the servo coiling system.
6. The servo coiling system for the cold rolled steel coil as claimed in claim 1, wherein the signal processor receives the running speed analog signal of the cold rolled steel coil, converts the analog signal into a digital signal and transmits the digital signal to the PLC control cabinet of the servo coiling system.
7. The servo coiling system for the cold rolled steel coil as claimed in claim 1, wherein the microprocessor receives the emitting time length from the laser ranging sensor, calculates the distance from the cold rolled plate to the edge of the track, calculates the distance from the edge of the plate to the two ends of the coiling jaw, and sends the processing result to the PLC control cabinet of the servo coiling system.
8. The servo coiling system of the cold rolled steel coil as claimed in claim 1, wherein the servo coiling system PLC control cabinet receives digital signals of the pressure transmitter, the signal processor and the microprocessor, and issues control instructions to the servo motor and the mobile control rod after programming and analysis.
9. The servo coil system as claimed in claim 1, wherein the servo motor controls the coiling speed of the coiler mandrel by changing the rotation speed through servo system control.
10. The servo coiling system for cold rolled steel coils as claimed in claim 1, wherein the control display screen is a centralized display of the control condition of the whole coiling machine servo coiling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120570922.1U CN215032316U (en) | 2021-03-22 | 2021-03-22 | Servo curling system for cold-rolled steel coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120570922.1U CN215032316U (en) | 2021-03-22 | 2021-03-22 | Servo curling system for cold-rolled steel coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215032316U true CN215032316U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120570922.1U Active CN215032316U (en) | 2021-03-22 | 2021-03-22 | Servo curling system for cold-rolled steel coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215032316U (en) |
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2021
- 2021-03-22 CN CN202120570922.1U patent/CN215032316U/en active Active
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Effective date of registration: 20220531 Address after: 110000 room 109, building F9, No. 860-6, shangshengou village, Hunnan District, Shenyang City, Liaoning Province Patentee after: Liaoning Yuanshan Technology Co.,Ltd. Address before: 114051, No. 185, Qianshan Road, hi tech Zone, Liaoning, Anshan Patentee before: University of Science and Technology Liaoning |
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