CN205954388U - Defibrator mill clearance hydraulic pressure servo control system - Google Patents
Defibrator mill clearance hydraulic pressure servo control system Download PDFInfo
- Publication number
- CN205954388U CN205954388U CN201620826473.1U CN201620826473U CN205954388U CN 205954388 U CN205954388 U CN 205954388U CN 201620826473 U CN201620826473 U CN 201620826473U CN 205954388 U CN205954388 U CN 205954388U
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- pressure
- pressure sensor
- displacement
- hydraulic
- defibrator
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Abstract
The utility model discloses a defibrator mill clearance hydraulic pressure servo control system, including pneumatic cylinder (7), the connection is by hydraulic cylinder drive's piston (6) on the mill, still be provided with A pressure sensor (3) that to detect on hydraulic cylinders pressure, can detect down B pressure sensor (4) of pneumatic cylinder pressure, can detect piston rod linear displacement linear displacement sensor (5), a pressure sensor (3), B pressure sensor (4), the data signal that gathered linear displacement sensor (5) can transmit to displacement controller (2), displacement controller (2) are through the lift action of hydraulic pressure proportional servo valve (8) control pneumatic cylinders (7), displacement controller (2) still are connected with PLC (1), PLC (1) is operated and is saved displacement controller (2) operation process data. Pass through pressure sensor, before the displacement sensor real -time supervision defibrator, back cavity pressure is poor with the clearance, pass through displacement controller data collection, operate through PLC, the storage content, it is poor with the clearance through proportional servo valve adjustment pressure, can adjust at any time with before the assurance defibrator, back cavity clearance and pressure keep in balance, and satisfy pressure variation in the production process, the qualities of the fibre separation are improved, reduce the defibrator trueness error, the guarantee fibre fully separates, reduce cubic fiber content, the energy resource consumption of reduce production equipment, increase production efficiency.
Description
Technical field
The utility model is related to a kind of defibrator abrasive disk space hydraulic servo control system, is applied particularly to defibrator mill
Gap adjusts.
Background technology
The front/back cavity pressure differential of defibrator is the principal element of impact fiber separation quality, traditional defibrator low precision, mill
The pressure transient of dish gap or front/back cavity it is impossible to real time on-line monitoring, control the gap change of defibrator mill, Yi Zao
One-tenth fiber separation is insufficient, and bulk fibers content is many, and production equipment energy resource consumption is big, low production efficiency.
Content of the invention
Technical problem to be solved in the utility model be to provide a kind of can automatically to the front/back cavity gap of defibrator,
Pressure is adjusted, and meets the defibrator abrasive disk space hydraulic servo control system of pressure in production process change.
Defibrator abrasive disk space hydraulic servo control system of the present utility model, includes hydraulic cylinder, is connected on mill
By the piston of Driven by Hydraulic Cylinder, it is additionally provided with and can detect the A pressure sensor of cylinder pressure, lower hydraulic cylinder can be detected
The B pressure sensor of pressure, the linear displacement transducer of piston rod straight-line displacement can be detected, A pressure sensor, B pressure pass
Sensor, the data-signal of linear displacement transducer collection can transmit to displacement controller, and displacement controller passes through hydraulic proportional
The lifting action of servo valve control hydraulic cylinder, displacement controller is also associated with PLC, and PLC is to displacement controller running data
Enter row operation and storage；
Described hydraulic cylinder, A pressure sensor, B pressure sensor, linear displacement transducer, displacement controller, hydraulic proportional
Pass through network connection transmission data signal between servo valve, PLC；
Network connection between described displacement controller and PLC is Ethernet.
Defibrator abrasive disk space hydraulic servo control system of the present utility model, by pressure sensor, displacement transducer
Real-time monitoring defibrator front/back cavity pressure and difference gap, by displacement controller gathered data, by PLC computing, storage
Hold, pressure and difference gap adjusted by hydraulic proportional servo valve, can adjust at any time front/back cavity gap to ensure defibrator and
Pressure is kept in balance, and meets pressure in production process change, improves fiber separation quality, reduces defibrator trueness error, protects
Barrier fiber is sufficiently separated, and reduces bulk fibers content, reduces production equipment energy resource consumption, improve production efficiency.
Brief description
Fig. 1 is the closed-loop control system schematic diagram of the utility model embodiment；
Fig. 2 is the closed loop hydraulic control system structural representation of the utility model embodiment.
Specific embodiment
A kind of defibrator abrasive disk space hydraulic servo control system as shown in the figure, including hydraulic cylinder 7, be connected on mill by
The piston 6 of Driven by Hydraulic Cylinder, hydraulic cylinder is provided with and can detect the A pressure sensor 3 of cylinder pressure, can detect lower hydraulic pressure
The B pressure sensor 4 of cylinder pressure, the linear displacement transducer 5 of piston rod straight-line displacement can be detected, A pressure sensor 3, B pressure
Sensor 4, the data-signal of linear displacement transducer 5 collection can transmit to displacement controller 2, and by hydraulic proportional servo valve
The action of 8 control hydraulic cylinders 7, by PLC1 to displacement controller 2 computing, storage content；Hydraulic cylinder 7, A pressure sensor 3, B pressure
Passed by network connection between force snesor 4, linear displacement transducer 5, displacement controller 2, hydraulic proportional servo valve 8, PLC1
Transmission of data signal, by Ethernet transmission data signal between displacement controller 2, PLC1, real-time monitoring abrasive disk space, collection
Data-signal sends instruction through displacement controller 2 after being delivered to PLC1 computing, and hydraulic proportional servo valve 8 receives displacement controller 2
Instruction after control hydraulic cylinder 7 execution action adjustment abrasive disk space with keep front/back cavity pressure equalize.
Grinding machine abrasive disk space hydraulic servo control system of the present utility model, using closed-loop control system, concrete control is former
Reason is as follows：
Controller displacement controller, PLC
Executing agency's hydraulic proportional servo valve
Feedback measuring cell A pressure sensor, B pressure sensor, linear displacement transducer
Conversion transmitting element is Analog input mModule
Control target mill.
By the regulation data setting mill after touch PLC computing by displacement controller, by piston, hydraulic cylinder
A pressure sensor, B pressure sensor, linear displacement transducer measurement mill position live data values simultaneously feed back to Bit andits control
Device, the real time data in mill actual motion and system regulation data inside PLC pass through change, compare, PID arithmetic, computing
Adjustment data-signal afterwards passes through Ethernet output to hydraulic proportional servo valve through displacement controller, hydraulic proportional servo valve according to
The adjustment data-signal receiving is realizing aperture direction and the openings of sizes of valve port, thus controlling the advance and retreat of mill and position
Keep；Displacement controller arranges Ethernet interface and realizes the connection with PLC, HMI and computer system.
The grinding machine abrasive disk space hydraulic servo control system of the present embodiment, adjusts mill by position control or Stress control
Gap, realizes lasting linear feedback and linear convergent rate by Close loop servo control, using the flexibility of Close loop servo control, standard
Really property, speed controllability and accurate gap and pressure adjustment can be realized with switching undisturbed under different operating modes.
Claims (3)
1. a kind of defibrator abrasive disk space hydraulic servo control system it is characterised in that：Include hydraulic cylinder（7）, be connected to mill
By the piston of Driven by Hydraulic Cylinder on disk（6）, it is additionally provided with the A pressure sensor that can detect cylinder pressure（3）, Neng Goujian
Survey the B pressure sensor of lower cylinder pressure（4）, the linear displacement transducer of piston rod straight-line displacement can be detected（5）, A pressure
Force snesor（3）, B pressure sensor（4）, linear displacement transducer（5）The data-signal of collection can transmit to Bit andits control
Device（2）, displacement controller（2）By hydraulic proportional servo valve（8）Control hydraulic cylinder（7）Lifting action, displacement controller（2）
It is also associated with PLC（1）, PLC（1）To displacement controller（2）Running data enters row operation and storage.
2. defibrator abrasive disk space hydraulic servo control system according to claim 1 it is characterised in that：Described hydraulic cylinder
（7）, A pressure sensor（3）, B pressure sensor（4）, linear displacement transducer（5）, displacement controller（2）, hydraulic proportional watches
Take valve（8）、PLC（1）Between pass through network connection transmission data signal.
3. defibrator abrasive disk space hydraulic servo control system according to claim 2 it is characterised in that：Described displacement control
Device processed（2）With PLC（1）Between network connection be Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826473.1U CN205954388U (en) | 2016-07-29 | 2016-07-29 | Defibrator mill clearance hydraulic pressure servo control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620826473.1U CN205954388U (en) | 2016-07-29 | 2016-07-29 | Defibrator mill clearance hydraulic pressure servo control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205954388U true CN205954388U (en) | 2017-02-15 |
Family
ID=57974025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620826473.1U Active CN205954388U (en) | 2016-07-29 | 2016-07-29 | Defibrator mill clearance hydraulic pressure servo control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205954388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065539A (en) * | 2016-07-29 | 2016-11-02 | 镇江中福马机械有限公司 | Defibrator abrasive disk space hydraulic servo control system |
| CN110328728A (en) * | 2019-07-24 | 2019-10-15 | 镇江中福马机械有限公司 | A kind of control mechanism for the feeding of defibrator mill |
-
2016
- 2016-07-29 CN CN201620826473.1U patent/CN205954388U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065539A (en) * | 2016-07-29 | 2016-11-02 | 镇江中福马机械有限公司 | Defibrator abrasive disk space hydraulic servo control system |
| CN110328728A (en) * | 2019-07-24 | 2019-10-15 | 镇江中福马机械有限公司 | A kind of control mechanism for the feeding of defibrator mill |
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| GR01 | Patent grant |