CN109794980A - Lath cutter speed and tension control system and control method - Google Patents
Lath cutter speed and tension control system and control method Download PDFInfo
- Publication number
- CN109794980A CN109794980A CN201910200784.5A CN201910200784A CN109794980A CN 109794980 A CN109794980 A CN 109794980A CN 201910200784 A CN201910200784 A CN 201910200784A CN 109794980 A CN109794980 A CN 109794980A
- Authority
- CN
- China
- Prior art keywords
- speed
- controller
- servo controller
- main shaft
- man
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
Lath cutter speed and tension control system and control method, including encoder, many motors control motor, servo controller, programmable controller, DP coupler, man-machine interface and bus cable, programmable controller is connected by the way of Profibus-DP with pulpboard machine control system by DP coupler；Encoder is mounted on above main shaft speed reducer output shaft；Encoder is connected by cable with servo controller；Servo controller is mounted on for driving the motor of main shaft in power distribution cabinet, and servo controller and man-machine interface are communicated by way of Profinet with programmable controller；Man-machine interface is installed on the adjustment and parameter setting that main given speed is used for above control cabinet.The present invention realizes lath cutter speed and tension force, reduces hardware cost, keep system more stable by using programmable controller and servo-control system.
Description
Technical field
The invention belongs to pulping equipment automation fields, and in particular to lath cutter speed in pulpboard production process with
Tension control system and control method.
Background technique
Currently, the speed and tension control of lath cutter generally uses tension sensor.Slurry is measured by tension sensor
The Tensity size of plate allows lath cutter and pulp machine to reach a velocity balance state to adjust lath cutter speed.This method energy
Enough satisfaction control requires, but tension sensor higher cost, and tension is not sufficiently stable, and precision does not reach requirement, and be easy to cause
The tension of pulpboard is suddenly big or suddenly small, and pulpboard is easily broken off.
Summary of the invention
The present invention is intended to provide a kind of lath cutter speed and tension control system and control method, can make pulpboard production process
In lath cutter speed and Tensity size stablize to stablize system, lath cutter can be suitable for or similar need speed
The equipment of power control.
The technical solution of present invention realization above-mentioned purpose:
Lath cutter speed and tension control system, including encoder, many motors control motor, servo controller, programmable controller,
DP coupler, man-machine interface and bus cable, programmable controller by DP coupler, by the way of Profibus-DP with
Pulpboard machine control system, which is connected, is converted into servo controller speed preset through data calculating with the main vehicle speed value for giving pulp machine
Value is shown in man-machine interface；Encoder is mounted on above main shaft speed reducer output shaft；Encoder passes through cable and servo
Controller is connected, the actual speed for real-time measurement main shaft；Servo controller is mounted in power distribution cabinet for driving master
The motor of transmission shaft, servo controller and man-machine interface are communicated by way of Profinet with programmable controller, are watched
Take speed and tension adjustment that controller realizes main shaft by speed preset value and real-time current value.
The control method of lath cutter speed and tension control system, comprising the following steps:
2. the control method of lath cutter speed and tension control system, it is characterised in that the following steps are included:
(1) speed is transmitted to programmable controller by Profibus-DP by pulp machine slurry.
(2) programmable controller writes velocity amplitude to servo controller, and servo controller is according to speed preset value, with real-time
Current value is monitored, by setting the current limit of servo controller in man-machine interface, to reach lath cutter speed and tension
Control requires.
(3) programmable controller calculates main shaft motor output speeds by main speed given value, passes through main transmission
The encoder values programmable controller of axis reads actual motion velocity amplitude for calculating the output revolving speed of other motors to reach
To the demand of entire cutting plate machine control system；Each motor output speeds calculation formula is.
Main shaft motor output speeds Z=V/A × R,
Crosscutting motor output speeds H=Z/L × R,
Longitudinal sectional motor output speeds Q=Z/B × R,
High-speed motor exports revolving speed G=Z/B × R,
Slowspeed machine exports revolving speed D=Z/B × R,
Paper motor output speeds P=Z/L × R is clapped,
Wherein, Z is that main shaft exports revolving speed, and V is main speed given value, and A is transmission shaft perimeter, and R is reduction gearbox reduction ratio, B
For driven roller perimeter, L is pulpboard length.
(4) electric current real value and speed preset value are monitored in man-machine interface in real time, and electric current is limited on the control panel
Amplitude and speed preset value are finely tuned.
Beneficial effects of the present invention: by the speed preset between programmable controller and servo controller, according to servo
The actual current value of controller limits the maximum current of servo controller, and current limit can be on the control panel
It is modified according to real-time current, by the limitation to electric current, the operation for keeping the velocity amplitude of lath cutter stable, the tension of pulpboard
Available control, thus reach the velocity balance between lath cutter and pulp machine, the main transmission returned by encoder feedback
Speed preset of the axis real-time speed value as other axis, to reach the velocity-stabilization of follow-up equipment and the stabilization of pulpboard size.
Detailed description of the invention
Fig. 1 is lath cutter speed and tension control system structure main view.
Fig. 2 is lath cutter speed and tension control system structure side view.
Fig. 3 is speed flow diagram.
In figure: 1- encoder, 2- main driving motor, 3- revolving knife motor, 4- high speed translator, 5- low speed translator, 6-
Clap paper motor.
Specific embodiment
The present invention is further illustrated for embodiment with reference to the accompanying drawing.
Lath cutter speed and tension control system, including 1- encoder, 2- main driving motor, 3- revolving knife motor, 4- high
Speed belt motor, 5- low speed translator, 6- clap paper motor, servo controller, programmable controller, DP coupler, man-machine interface with
Bus cable, programmable controller are connected simultaneously by the way of Profibus-DP with pulpboard machine control system by DP coupler
The main vehicle speed value that pulp machine gives is converted into servo controller speed preset value by data calculating to show in man-machine interface；
1- encoder is mounted on above main shaft speed reducer output shaft, and 1- encoder is connected by cable with servo controller, is used for
The actual speed of real-time measurement main shaft；Servo controller is mounted in power distribution cabinet for driving the motor of main shaft, is watched
It takes controller and man-machine interface is communicated by way of Profinet with programmable controller, servo controller passes through speed
Given value and real-time current value realize the speed and tension adjustment of main shaft；Man-machine interface is installed on above control cabinet for leading
The adjustment and parameter setting of given speed.
The many motors control motor, as shown in Fig. 1, including 2- main driving motor, 3- revolving knife motor, 4- high speed
Translator, 5- low speed translator, 6- clap paper motor.
The control method of lath cutter speed and tension control system, comprising the following steps:
(1) speed is transmitted to programmable controller by Profibus-DP by pulp machine slurry, programmable controller by velocity amplitude write to
Servo controller, servo controller is according to speed preset value, to real-time monitor current value, by setting servo in man-machine interface
The current limit of controller, to reach the control requirement of lath cutter speed and tension.
(2) when being carried according to band, when pulpboard reaches maximum tension, servo controller current value as maximum current amplitude limit value,
Made comparisons according to the real-time current value shown in man-machine interface with current limit, by fine speed adjustment, make real-time current value with
Current limit is close, and pulpboard tension reaches best at this time.
(3) programmable controller calculates main shaft motor output speeds by main speed given value, passes through main transmission
The encoder values programmable controller of axis reads actual motion velocity amplitude for calculating the output revolving speed of other motors to reach
To the demand of entire cutting plate machine control system；Each motor output speeds calculation formula are as follows:
Main shaft motor output speeds Z=V/A × R,
Crosscutting motor output speeds H=Z/L × R,
Longitudinal sectional motor output speeds Q=Z/B × R,
High-speed motor exports revolving speed G=Z/B × R,
Slowspeed machine exports revolving speed D=Z/B × R,
Paper motor output speeds P=Z/L × R is clapped,
Wherein, Z is that main shaft exports revolving speed, and V is main speed given value, and A is transmission shaft perimeter, and R is reduction gearbox reduction ratio, B
For driven roller perimeter, L is pulpboard length.
(4) in actual moving process, when speed preset value increase, current limit is too small, this when tension with regard to inadequate,
It needs to increase current limit, to achieve the purpose that increase tension, vice versa, and when speed preset is excessively high, current limit is too big, this
Pulpboard will be caused to be broken due to overtension when a, be given by real time monitoring electric current real value and speed in man-machine interface
Definite value, and current limit and speed preset value are finely tuned on the control panel, to reach the requirement of pulpboard tension force.
The present invention realizes lath cutter speed and tension force, drop by using programmable controller and servo-control system
Low hardware cost, keeps system more stable.The present invention has universal applicability.Use the speed of lath cutter and tension force side
Method reduces the failure rate of equipment, reduces since tension force is bad in production process, and caused by the pulpboard fracture generated
Productivity is greatly improved in the wasting of resources.
Claims (2)
1. lath cutter speed and tension control system, it is characterised in that: including encoder, threephase asynchronous machine, servo controller,
Programmable controller, DP coupler, man-machine interface and bus cable, programmable controller are used by DP coupler
The mode of Profibus-DP is connected with pulpboard machine control system and the main vehicle speed value for giving pulp machine calculates conversion by data
It is shown in man-machine interface at servo controller speed preset value；Encoder is mounted on above main shaft speed reducer output shaft,
Encoder is connected by cable with servo controller, the actual speed for real-time measurement main shaft；Servo controller installation
For driving the motor of main shaft in power distribution cabinet, servo controller and man-machine interface by way of Profinet with can compile
Range controller is communicated, and servo controller realizes the speed and tension of main shaft by speed preset value and real-time current value
It adjusts.
2. the control method of lath cutter speed and tension control system, it is characterised in that the following steps are included:
(1) speed is transmitted to programmable controller by Profibus-DP by pulp machine slurry；
(2) programmable controller writes velocity amplitude to servo controller, and servo controller is according to speed preset value, with real-time monitoring
To current value, by setting the current limit of servo controller in man-machine interface, to reach the control of lath cutter speed and tension
It is required that；
(3) programmable controller calculates main shaft motor output speeds by main speed given value, passes through main shaft
Encoder values programmable controller reads actual motion velocity amplitude for calculating the output revolving speed of other motors to reach whole
The demand of a cutting plate machine control system；Each motor output speeds calculation formula are as follows:
Main shaft motor output speeds Z=V/A × R,
Crosscutting motor output speeds H=Z/L × R,
Longitudinal sectional motor output speeds Q=Z/B × R,
High-speed motor exports revolving speed G=Z/B × R,
Slowspeed machine exports revolving speed D=Z/B × R,
Paper motor output speeds P=Z/L × R is clapped,
Wherein V is main speed given value, and A is transmission shaft perimeter, and R is reduction gearbox reduction ratio, and B is driven roller perimeter, and L is that pulpboard is long
Degree；
(4) electric current real value and speed preset value are monitored in man-machine interface in real time, and on the control panel to current limit
It is finely tuned with speed preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200784.5A CN109794980A (en) | 2019-03-17 | 2019-03-17 | Lath cutter speed and tension control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200784.5A CN109794980A (en) | 2019-03-17 | 2019-03-17 | Lath cutter speed and tension control system and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109794980A true CN109794980A (en) | 2019-05-24 |
Family
ID=66563020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910200784.5A Pending CN109794980A (en) | 2019-03-17 | 2019-03-17 | Lath cutter speed and tension control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109794980A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06135610A (en) * | 1992-10-29 | 1994-05-17 | Toshiba Corp | Tensile force controller of paper machine |
| JPH0725529A (en) * | 1993-07-09 | 1995-01-27 | Mitsubishi Electric Corp | Tension control device |
| CN1102393A (en) * | 1993-07-23 | 1995-05-10 | 丹尼斯A·诺斯 | Method and apparatus for winding |
| JPH0885659A (en) * | 1994-07-19 | 1996-04-02 | Meisan Kk | Web work machine |
| JPH11246127A (en) * | 1998-03-06 | 1999-09-14 | Shinko Electric Co Ltd | Automatic tension control device and automatic tension control method |
| CN204760144U (en) * | 2015-06-26 | 2015-11-11 | 湖南工业大学 | Electromagnetic wire is around packet control ware |
| CN207709569U (en) * | 2018-01-24 | 2018-08-10 | 北京京创天成电气有限公司 | A kind of tension stretch bending-straightening machine electric control gear |
| CN208019187U (en) * | 2017-10-26 | 2018-10-30 | 首钢京唐钢铁联合有限责任公司 | A kind of low speed straightening template improvement device |
| CN108975042A (en) * | 2018-09-18 | 2018-12-11 | 南通市通州兴辰机械有限公司 | No-station pole canopy plaiter |
-
2019
- 2019-03-17 CN CN201910200784.5A patent/CN109794980A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06135610A (en) * | 1992-10-29 | 1994-05-17 | Toshiba Corp | Tensile force controller of paper machine |
| JPH0725529A (en) * | 1993-07-09 | 1995-01-27 | Mitsubishi Electric Corp | Tension control device |
| CN1102393A (en) * | 1993-07-23 | 1995-05-10 | 丹尼斯A·诺斯 | Method and apparatus for winding |
| JPH0885659A (en) * | 1994-07-19 | 1996-04-02 | Meisan Kk | Web work machine |
| JPH11246127A (en) * | 1998-03-06 | 1999-09-14 | Shinko Electric Co Ltd | Automatic tension control device and automatic tension control method |
| CN204760144U (en) * | 2015-06-26 | 2015-11-11 | 湖南工业大学 | Electromagnetic wire is around packet control ware |
| CN208019187U (en) * | 2017-10-26 | 2018-10-30 | 首钢京唐钢铁联合有限责任公司 | A kind of low speed straightening template improvement device |
| CN207709569U (en) * | 2018-01-24 | 2018-08-10 | 北京京创天成电气有限公司 | A kind of tension stretch bending-straightening machine electric control gear |
| CN108975042A (en) * | 2018-09-18 | 2018-12-11 | 南通市通州兴辰机械有限公司 | No-station pole canopy plaiter |
Non-Patent Citations (2)
| Title |
|---|
| 崔跃武;: "切板机控制系统的设计" * |
| 崔跃武;: "切板机控制系统的设计", 中华纸业, no. 24, pages 70 - 71 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108940552B (en) | PID control system of many crushing apparatus feeds | |
| CN201857103U (en) | Control system for belt conveying device and belt conveying device | |
| CN105353717A (en) | Steel wire rope strand tension on-line control system and method | |
| CN102305070A (en) | Cutting speed regulating system and development machine | |
| CN101254480A (en) | Power balance regulating method of double motor drive vertical shaft type impact crusher and device | |
| CN106499404A (en) | A kind of compound shield cutter plate driver frequency-converting control device | |
| CN109253041B (en) | Water head control system and method of hydro-generator speed regulator | |
| CN203394811U (en) | Touch screen and PLC (Programmable Logic Controller)-based temperature sensing industrial ceiling fan | |
| CN103345195A (en) | Independent control method and system for steel cord of double twisting strander | |
| CN209665536U (en) | Lath cutter speed and tension control system | |
| CN101924509A (en) | Multi-motor synchronous running method of switched reluctance motor | |
| CN203494895U (en) | Control device capable of ensuring load balancing of cold-rolled tinned wire tension roller | |
| CN109794980A (en) | Lath cutter speed and tension control system and control method | |
| CN206644121U (en) | Gypsum plate fixed-length cutting device | |
| CN204892348U (en) | Automatic control system of formula vibration screening machine is prevented blockking up in compound vibration frequently | |
| CN110614156B (en) | Crusher system control method based on PID algorithm | |
| CN201997819U (en) | Constant tension control device for wire conveying system of low speed wire electrical discharge machine | |
| US11020749B2 (en) | Servo control device and method for disc gap in disc powder grinding system | |
| CN205711530U (en) | A kind of refining system of disc mill | |
| CN103757968B (en) | A kind of dilution water for head box controls the intelligent actuator of paper cross direction ration | |
| CN202550962U (en) | Motor synchronization device | |
| CN203888190U (en) | Automatic adjustment control device for remodeling of straw manufacturing unit | |
| CN203965883U (en) | The reversible regulating device of a kind of digitized positions with feedback | |
| CN204673151U (en) | A kind of laser cutting machine speed change system | |
| CN105278446A (en) | Numerical control system for monitoring laser drive power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 410117 268 Xinxing Road, Yuhua Economic Development Zone, Changsha, Hunan Applicant after: China Light Changtai (Changsha) Intelligent Technology Co.,Ltd. Address before: 410117 268 Xinxing Road, Yuhua Economic Development Zone, Changsha, Hunan Applicant before: CHANGSHA CHAINT MACHINERY Co.,Ltd. |