CN107974857A - A kind of double disc refiner is into withdrawing automatic control system and method - Google Patents
A kind of double disc refiner is into withdrawing automatic control system and method Download PDFInfo
- Publication number
- CN107974857A CN107974857A CN201711372781.7A CN201711372781A CN107974857A CN 107974857 A CN107974857 A CN 107974857A CN 201711372781 A CN201711372781 A CN 201711372781A CN 107974857 A CN107974857 A CN 107974857A
- Authority
- CN
- China
- Prior art keywords
- feed
- disc refiner
- double disc
- decelerating motor
- withdrawing
- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/002—Control devices
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Abstract
The present invention provides a kind of double disc refiner into withdrawing automatic control system and method; double disc refiner includes feed decelerating motor and worm gear case; the output shaft of feed decelerating motor is connected with worm screw by shaft coupling; shaft coupling periphery is provided with coupling guard; numeration mark is fixed with shaft coupling, is fixed with coupling guard and the numeration corresponding sensor of cursor position.When feed decelerating motor rapid return, the number of turns N of sensor detection and the rotation of record counter mark；When feed decelerating motor feed, number of turns N rapid feeds that according to last time withdrawing when preserves, the feed number of turns is enclosed for N 1；When feed N 1 is enclosed, stop rapid feed, be switched to feed at a slow speed；Stop feed when the main motor actual power that power transducer collects is equal with setting power.The present invention can realize double disc refiner rapid feed after powering, save the time, reduce energy consumption, improve the work efficiency of equipment, and can prevent the grinding of double disc refiner from colliding.
Description
Technical field
The invention belongs to double disc refiner equipment control technical field, and in particular to a kind of double disc refiner into withdrawing from
Autocontrol system and method.
Background technology
Double disc refiner is final because of each paper kind as most popular refining equipment in domestic paper industry Pulping Line
Quality criticism is different, it is desirable to which mill beating degree is different.The size in gap directly affects mill beating degree between grinding, to ensure
Mill can get suitable paper pulp, it is necessary to accurately control system under suitable grinding, equally be also required to reasonably control
Detection structure processed.
The operation principle that automatically controls of existing double disc refiner is：The main motor current of double disc refiner is set, passes through work(
Rate transmitter measures the actual power of main motor, and compared with set value of the power, after main motor starts, feed motor rotates forward
Startup and the feed since origin position, when main motor actual power is less than set value of the power, feed motor continues feed, when
When main motor actual power is equal to set value of the power, feed motor stops feed, when main motor actual power is higher than power setting
During value, feed motor reversal starts withdrawing, by feed motor into tool backlash movement, so as to reach the invariable power of double disc refiner
Control.
The feed since origin after powering of existing double disc refiner, since origin during feed, feed electric machine frequency
It can increase with the power of main motor and be gradually reduced, there are the increase and slurry for the problem of feed overlong time, causing power consumption
Waste, and there is double disc refiner grinding collision, influence the normal use of double disc refiner.
Because of the change of feed electric machine frequency, influence the moment of torsion of feed motor, at a slow speed during feed motor in low frequency（Certain frequency with
Under）Mobile base cannot be driven to move under operating mode（Grinding）If feed is apart from improper at a slow speed, under such conditions, inevitable shadow
Ring beating degree.
The content of the invention
It is an object of the invention to provide a kind of double disc refiner into withdrawing automatic control system and method, can realize double
Mill pulp grinder rapid feed after powering, saves the time, reduces energy consumption, lowers production cost, improves the work efficiency of equipment, and
It can prevent the grinding of double disc refiner from colliding.
The present invention adopts the following technical scheme that：A kind of double disc refiner is into withdrawing automatic control system, including control centre
Unit, actuator unit and signal gathering unit：
The actuator unit includes double disc refiner, and double disc refiner includes rack, main motor, defibrination portion, stock inlet, pulp
Mouth and feeding drive mechanism, the feeding drive mechanism include feed decelerating motor and worm gear case, feed decelerating motor
Output shaft is connected with worm screw by shaft coupling, and shaft coupling periphery is provided with coupling guard；
The signal gathering unit is including being used to measure the power transducer of main motor actual power, being fixedly mounted on shaft coupling
Numeration mark and on coupling guard pass through location nut be fixedly mounted and numeration the corresponding sensor of cursor position, note
Number mark is rotated with shaft coupling, sensor transfixion；
The sensor is arranged on feed decelerating motor surface.
Feed decelerating motor into withdrawing program storage in control centre's unit, control centre's unit include can compile
Range controller.
The defibrination portion from left to right includes Mobile base, turntable and fixed seat successively, between the Mobile base and turntable
Space forms one area of defibrination, space 2nd area of composition defibrination between the turntable and fixed seat, on the right surface of the Mobile base
Left grinding is fixed with, middle grinding is respectively and fixedly provided with the left and right surface of turntable, right grinding is fixed with the left surface of fixed seat.
The output shaft of the feed decelerating motor and worm screw rotate at the same time under shaft coupling effect, and worm gear promotes Mobile base left
Move right.
The numeration is designated as screw rod.
When feed decelerating motor performs pre-set programs rapid return, the sensor detection numeration target rotates, and remembers
The number of turns N that record numeration mark rotates；Control centre's unit preserves data N；When feed decelerating motor performs pre-set programs feed
When, the number of turns N rapid feeds that are stored in when feed decelerating motor is according to last time withdrawing in control centre's unit, and into cutter ring
Number encloses for N-1；When feed N-1 is enclosed, stop rapid feed, be switched to feed at a slow speed；When the main electricity that power transducer collects
The actual power of machine stops feed when equal with setting power.
Beneficial effects of the present invention are as follows：
（1）Set sensor to be used for detecting the withdrawing number of turns N of feed decelerating motor, can remember when next feed according to last time withdrawing
The few circle of the withdrawing number of turns of record carries out rapid feed, i.e. the feed number of turns is enclosed for N-1, can significantly reduce the feed time, reduces electricity
The waste of consumption and slurry；
（2）The feed number of turns is enclosed for N-1, can effectively prevent the collision between being ground in double disc refiner；
（3）Numeration mark is installed on shaft coupling, sensor is installed on coupling guard, effectively utilizes double disc refiner
Inner space, will not cause double disc refiner size more；
（4）Sensor detection numeration target turnning circle, makes detection reliable, accurate；
（5）Being stored in into withdrawing program, sensor detection data in control centre for feed decelerating motor, can slow down feed
Motor is monitored in real time and controlled into withdrawing program and sensor detection data；
（6）Using Worm and Worm Gear Driving structure, make power transmission simple, convenient, and reliable；
（7）Numeration mark makes cost low using forms such as screw rods.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only the embodiment of the present invention, common for this area
For technical staff, without having to pay creative labor, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the structure diagram of double disc refiner；
Fig. 3 is the structure diagram of feeding drive mechanism；
Fig. 4 is second embodiment of the invention schematic diagram.
Embodiment
In order to make the technical purpose of the present invention, technical solution and beneficial effect clearer, below in conjunction with the accompanying drawings and specifically
Embodiment is further illustrated technical scheme.
As shown in Figure 1, the present invention includes control centre's unit 1, actuator unit and signal gathering unit.
The actuator unit includes double disc refiner 2, and double disc refiner 2 includes rack 21, main motor（Do not show in figure
Go out）, defibrination portion 22, stock inlet 23, grout outlet 24 and feeding drive mechanism 3, the defibrination portion 22 from left to right includes moving successively
Dynamic seat, turntable and fixed seat, the space between the Mobile base and turntable forms one area of defibrination, between the turntable and fixed seat
Space form defibrination 2nd area, be fixed with left grinding on the right surface of Mobile base, centre be respectively and fixedly provided with the left and right surface of turntable
It is ground, right grinding is fixed with the left surface of fixed seat.
The feeding drive mechanism 3 includes feed decelerating motor 31 and worm gear case 32, the feed decelerating motor 31
Output shaft 33 and the worm screw 34 of worm gear case 32 connected by shaft coupling 35,35 periphery of shaft coupling is provided with shaft coupling protection
Cover 36.The output shaft 33 of the feed decelerating motor and worm screw 34 rotate at the same time under the effect of shaft coupling 35, coupling guard
36 do not rotate.
The signal gathering unit includes being used to measure the power transducer 4 of main motor actual power, in shaft coupling 35
The numeration of fixed installation is marked 5 and is fixedly mounted on coupling guard 36 by location nut 7 opposite with 5 positions of numeration mark
The sensor 6 answered, numeration mark 5 are rotated with shaft coupling 35,6 transfixion of sensor.
When feed decelerating motor 31 performs pre-set programs rapid return, the rotation of the detection of the sensor 6 numeration mark 5,
And the number of turns N that record counter mark 5 rotates；The programmable controller 1 preserves data N；Preset when feed decelerating motor 31 performs
During program feed, be stored in when feed decelerating motor 31 is according to last time withdrawing number of turns N in the programmable controller 1 quickly into
Knife, and the feed number of turns is enclosed for N-1；When feed N-1 is enclosed, stop rapid feed, be switched to feed at a slow speed；When power transducer 4
The actual power of the main motor collected stops feed when equal with setting power.
Feed decelerating motor into withdrawing program storage in control centre's unit 1, control centre's unit 1 wraps
Include programmable controller.
The output shaft of the feed decelerating motor and worm screw rotate at the same time under shaft coupling effect, and worm gear promotes Mobile base left
Move right.
In the present embodiment, the numeration is designated as screw rod.
During work, paper pulp enters the slurry intake chamber of mill under the pumping of stock pump from the stock inlet of mill, and then enters defibrination
Area.Because the turntable of double plate mill has balance hole, paper pulp is distributed in the both sides of turntable by the balance hole of turntable, i.e. paper pulp passes through turntable
Balance hole it is isobaric be distributed in 2nd area of one area of defibrination and defibrination.In the case where stock pump persistently conveys paper pulp, grinding abrasion or
Start shooting first feed when, Mobile base to turntable move when, one area space of defibrination reduces, and the refining plate interval in one area of defibrination diminishes,
Pressure rises, and causes the pressure in one area of defibrination to be more than the pressure in 2nd area of defibrination, at this moment, turntable can be moved to 2nd area of defibrination, defibrination
Refining plate interval in 2nd area diminishes, and the pressure in 2nd area of one area of defibrination and defibrination reaches balance again, and the gap of grinding is adjusted.
During defibrination, unanimously with above-mentioned phenomenon.
Feed decelerating motor drives worm gear case 32, makes worm gear case 32 promote Mobile base to move left and right, so as to push away
Turn disk moves left and right while rotating, and makes the pressure balance in 2nd area of one area of defibrination and defibrination.
When feed decelerating motor performs pre-set programs rapid return, the detection record note of sensor 6 marks the number that number 5 passes through
N；When feed decelerating motor performs pre-set programs rapid feed, the detection record note of sensor 6 marks the number that number 5 passes through, and works as note
When marking number 5 by N-1 times, stop rapid feed, be switched to feed at a slow speed.When on the one hand feed can be obviously reduced in feed
Between, reduce the waste of power consumption and slurry；On the other hand, feed at a slow speed is switched to when feed N-1 is enclosed, can effectively prevents from grinding
Collision between piece.
In the present embodiment, sensor 6 is installed on coupling guard 36, however, the present invention is not limited thereto, art technology
Personnel are contemplated that sensor is arranged on other to realize on the position of sensing detection, and as described in Figure 4, the present invention second is implemented
Pulse signal detector 8 is arranged on 31 surface of feed decelerating motor by example, and numeration mark is arranged on shaft coupling.
When feed 31 withdrawing of decelerating motor, the number of turns of withdrawing is detected by pulse signal detector 8, and by this data
It is stored in control centre's unit 1, after next time starts double disc refiner 2, is protected when feed decelerating motor 31 is according to last time withdrawing
There are the withdrawing number of turns rapid feed in control centre's unit 1, a feed number of turns circle fewer than last time withdrawing, when the feed number of turns
When reaching, the actual power for the main motor that feed decelerating motor 31 is collected according to power transducer 4 and the difference of set value of the power
It is worth feed at a slow speed, stops feed when power that power transducer 4 collects is equal with set value of the power.
The present invention designs sensor to detect the withdrawing number of turns of feed decelerating motor, can be moved back when next feed according to last time
The few circle of the withdrawing number of turns of knife record carries out rapid feed, can significantly reduce the feed time, reduce the waste of power consumption and slurry,
And there is no the problem of double disc refiner grinding collision.
It should be noted last that：Above-described embodiment is merely to illustrate the technical solution being not intended to limit the present invention, any right
The equivalent substitution and do not depart from the modification of spirit and scope of the invention or local replacement that the present invention carries out, it should all cover in this hair
Within bright protective scope of the claims.
Claims (7)
1. a kind of double disc refiner is into withdrawing automatic control system, it is characterised in that including control centre's unit, actuator unit
And signal gathering unit：
The actuator unit includes double disc refiner, and double disc refiner includes rack, main motor, defibrination portion, stock inlet, pulp
Mouth and feeding drive mechanism, the feeding drive mechanism include feed decelerating motor and worm gear case, feed decelerating motor
Output shaft is connected with worm screw by shaft coupling, and shaft coupling periphery is provided with coupling guard；
The signal gathering unit is including being used to measure the power transducer of main motor actual power, being fixedly mounted on shaft coupling
Numeration mark and on coupling guard pass through location nut be fixedly mounted and numeration the corresponding sensor of cursor position, note
Number mark is rotated with shaft coupling, sensor transfixion.
2. a kind of double disc refiner according to claim 1 is into withdrawing automatic control system, it is characterised in that by the biography
Sensor is arranged on feed decelerating motor surface.
3. a kind of double disc refiner according to claim 1 or 2 is into withdrawing automatic control system, it is characterised in that feed
Decelerating motor into withdrawing program storage in control centre's unit, control centre's unit includes programmable controller.
4. a kind of double disc refiner according to claim 3 is into withdrawing automatic control system, it is characterised in that the defibrination
Portion from left to right includes Mobile base, turntable and fixed seat successively, and the space between the Mobile base and turntable forms one area of defibrination,
Space between the turntable and fixed seat forms 2nd area of defibrination, and left grinding, turntable are fixed with the right surface of the Mobile base
Left and right surface on be respectively and fixedly provided with middle grinding, right grinding is fixed with the left surface of fixed seat.
5. a kind of double disc refiner according to claim 4 is into withdrawing automatic control system, it is characterised in that the feed
The output shaft of decelerating motor and worm screw rotate at the same time under shaft coupling effect, and worm gear promotes Mobile base to move left and right.
6. a kind of double disc refiner according to claim 5 is into withdrawing automatic control system, it is characterised in that the numeration
It is designated as screw rod.
7. a kind of control method of the automatic control system based on described in claim 1, it is characterised in that when feed decelerating motor
When performing pre-set programs rapid return, the sensor detection numeration target rotates, and the number of turns N that record counter mark rotates；Institute
State control centre's unit and preserve data N；When feed decelerating motor performs pre-set programs feed, feed decelerating motor was according to last time
The number of turns N rapid feeds being stored in during withdrawing in control centre's unit, and the feed number of turns is enclosed for N-1；When feed N-1 is enclosed
When, stop rapid feed, be switched to feed at a slow speed；When the actual power and setting power of the main motor that power transducer collects
Stop feed when equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372781.7A CN107974857B (en) | 2017-12-19 | 2017-12-19 | Automatic control system and method for feeding and retracting blades of double-disc pulping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711372781.7A CN107974857B (en) | 2017-12-19 | 2017-12-19 | Automatic control system and method for feeding and retracting blades of double-disc pulping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107974857A true CN107974857A (en) | 2018-05-01 |
| CN107974857B CN107974857B (en) | 2023-05-23 |
Family
ID=62006982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711372781.7A Active CN107974857B (en) | 2017-12-19 | 2017-12-19 | Automatic control system and method for feeding and retracting blades of double-disc pulping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107974857B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277600A (en) * | 2021-12-22 | 2022-04-05 | 浙江华章科技有限公司 | Safe operation control method for pulping machine |
| CN114318925A (en) * | 2021-12-22 | 2022-04-12 | 浙江华章科技有限公司 | Pulping machine |
| CN114438809A (en) * | 2021-12-22 | 2022-05-06 | 浙江华章科技有限公司 | Control method of pulping machine |
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| CN105345605A (en) * | 2015-09-25 | 2016-02-24 | 广东先导半导体材料有限公司 | Wafer edge polishing method and edge polishing machine suction cup |
| CN106283808A (en) * | 2015-06-27 | 2017-01-04 | 重庆勃朗农业开发有限公司 | The double disc refiner that grinding efficiency is high |
| CN206253181U (en) * | 2016-08-19 | 2017-06-16 | 宁博 | The adjustable fiberizer of milling gap |
| CN107065786A (en) * | 2017-05-19 | 2017-08-18 | 四川德恩精工科技股份有限公司 | A kind of tapered sleeve groover control system |
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| CN85102879A (en) * | 1985-04-01 | 1986-01-10 | 大连工学院 | Full automatic hydraulic pipe cutter |
| CN2898094Y (en) * | 2006-03-10 | 2007-05-09 | 山东晨钟机械股份有限公司 | Large-taper conical mill |
| CN2934317Y (en) * | 2006-03-28 | 2007-08-15 | 山东晨钟机械股份有限公司 | High concentration pulp grinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114277600A (en) * | 2021-12-22 | 2022-04-05 | 浙江华章科技有限公司 | Safe operation control method for pulping machine |
| CN114318925A (en) * | 2021-12-22 | 2022-04-12 | 浙江华章科技有限公司 | Pulping machine |
| CN114438809A (en) * | 2021-12-22 | 2022-05-06 | 浙江华章科技有限公司 | Control method of pulping machine |
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| Publication number | Publication date |
|---|---|
| CN107974857B (en) | 2023-05-23 |
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