CN106111270B - A kind of grinding chemical mechanical system of more lodicules - Google Patents
A kind of grinding chemical mechanical system of more lodicules Download PDFInfo
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- CN106111270B CN106111270B CN201610541528.9A CN201610541528A CN106111270B CN 106111270 B CN106111270 B CN 106111270B CN 201610541528 A CN201610541528 A CN 201610541528A CN 106111270 B CN106111270 B CN 106111270B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
A kind of grinding chemical mechanical system of more lodicules, it is characterised in that:Including means of abrasion and control system two parts, means of abrasion includes raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, pulverized-coal collector, powder bucket, wind turbine, valve and pipeline, there is grinder feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder to swing belt wheel and pipe shaft gear, main shaft rotates under the drive of spindle motor, and cylinder swings at an angle carry out reciprocating rotation of the belt wheel in the drive periodical of stepper motor.
Description
Technical field
The invention belongs to grinding machinery, more particularly to a kind of grinding chemical mechanical system of more lodicules.
Background technology
At present, the technical force of production of the grinding machinery of chemicals is weak, production line automation degree is low, manual operation
More, process is disperseed, working environment difference fall behind production way in, production process there are the problem of following points.
Lapping efficiency is low, and abrasive product is single, can not adjust machinery in due course as needed;Automatically control degree
It is low, operating personnel's manual operations inefficiency;In chemicals process of lapping, chemicals can produce heat, it is necessary to shut down cooling,
It cannot cool down in real time;In production process some parameters adjusting and monitoring rely primarily on experienced operator monitoring so that
Production information and process data cannot be accurate, it is impossible to adjustment in time.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of grinding chemical mechanical system of more lodicules, it can accelerate to grind
Grind the efficiency of production, there is provided the finished product powder of variable grain size, realizes the automation of grinding production.
To achieve these goals, the technical scheme is that:A kind of grinding chemical mechanical system of more lodicules, including
Means of abrasion and control system two parts, means of abrasion include raw material bucket, batcher, collector, feeding belt, grinder, bead
Separator, tailing separator, pulverized-coal collector, powder bucket, wind turbine, valve and pipeline, raw material enter collector by batcher,
Enter grinder by feeding belt with other powder set, grinder forms preliminary working powder after material is ground, passes through pipe
Line enters bead separator, and bead is separated and is retracted in grinder, and the preliminary working powder after separation enters coarse powder by pipeline
Separator, oversized preliminary working powder is separated and enters collector by pipeline, by the preliminary working of tailing separator
Powder forms just separation powder, and being directly entered powder bucket by pipeline forms final powder, or is divided by pipeline into fine powder
From device, Powder screen form slection further will be just separated into final powder, and off size defined powder is returned into collector;
Wherein, grinder has feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder pendulum
Movable belt pulley and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, auxiliary bearing, cylinder are arranged outside feed inlet
Interior lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and shape is stretched out in main shaft one end
Into discharge port, base bearing is set on main shaft, and pipe shaft gear is set on main shaft, pipe shaft gear and the sliding tooth on spindle motor
Wheel engagement, main shaft rotate under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through
Belt be connected with exterior stepper motor, cylinder swing belt wheel stepper motor drive periodical at an angle into
Row reciprocating rotation;
The lodicule on main shaft in grinder body is multiple lodicules, during main axis, the band of bead in body in lodicule
Scattered grinding is carried out under dynamic to the slurry in press-in cylinder, lodicule shares 3, and the first lodicule is cross, has 3 on the second lodicule
A through hole evenly distributed as the center of circle using central shaft, has 5 on the 3rd lodicule using the central shaft through hole evenly distributed as the center of circle;
Control system includes sensor, main controller, executive device, display device and communication device, and sensor will measure
Obtained signal passes to main controller, and control executive device is moved accordingly after main controller is handled obtained signal
Make, and corresponding parameter is shown on the desplay apparatus, communication device is connected with main controller, and communication device fills for wireless connection
Put, and then realize remote monitoring.
Beneficial effects of the present invention:
1. effective processing of pair powder processed, and different powders can be processed according to demand;
2. the processing dynamics to raw material is increased, so as to improve crush efficiency;
3. realize the control to barrel temperature;
4. realize the grinding that becomes more meticulous of particle;
5. automated control, reduce wasted in the efficiency that the change tape repeatedly manually set comes and precision it is inaccurate
Really;
6. monitoring material position situation in real time, prevent the too high or too low situation of material position from occurring.
Brief description of the drawings
Fig. 1 is the means of abrasion structure diagram of the present invention;
Fig. 2 is the grinding machine structure schematic diagram of the present invention;
Fig. 3 a are the dispersion impeller structure size assembling schematic diagram of the present invention;
Fig. 3 b are the first lodicule structure scale diagrams of the present invention;
Fig. 3 c are the second lodicule structure scale diagrams of the present invention;
Fig. 3 d are the 3rd lodicule structure scale diagrams of the present invention
Fig. 4 is the driving schematic diagram of the spindle motor of the present invention;
The schematic diagram of the fuzzy controller of Fig. 5 present invention;
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
The embodiment of the present invention is with reference to shown in figure 1-5.
A kind of grinding chemical mechanical system of more lodicules, it includes means of abrasion and control system two parts, means of abrasion
Including raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, pulverized-coal collector, powder
Bucket, wind turbine, valve and pipeline, as shown in the figure, raw material enters collector by batcher, pass through feeding with other powder set
Band enters grinder, and grinder forms preliminary working powder after material is ground, enters bead separator by pipeline, by bead point
From and retract in grinder, the preliminary working powder after separation enters tailing separator by pipeline, by oversized preliminary working
Powder separates and enters collector by pipeline, forms just separation powder by the preliminary working powder of tailing separator, passes through pipe
Line is directly entered powder bucket and forms final powder, or enters pulverized-coal collector by pipeline, further will just separate Powder screen
Form slection returns to collector into final powder, and by off size defined powder.
Set by the multi-cycle of above-mentioned multiple pipelines, realize effective processing to powder processed, and can be according to demand
Process different powders.
Wherein, grinder has feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder pendulum
Movable belt pulley and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, auxiliary bearing, cylinder are arranged outside feed inlet
Interior lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and shape is stretched out in main shaft one end
Into discharge port, base bearing is set on main shaft, and pipe shaft gear is set on main shaft, pipe shaft gear and the sliding tooth on spindle motor
Wheel engagement, main shaft rotate under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through
Belt be connected with exterior stepper motor, cylinder swing belt wheel stepper motor drive periodical at an angle into
Row reciprocating rotation.
In said structure, main shaft and cylinder rotate at the same time, relatively the rotating technical side of in the past single main shaft or cylinder
Case, increases the processing dynamics to raw material, so as to improve crush efficiency.
Control system includes sensor, main controller, executive device, display device and communication device, and sensor will measure
Obtained signal passes to main controller, and control executive device is moved accordingly after main controller is handled obtained signal
Make, and corresponding parameter is shown on the desplay apparatus, communication device is connected with main controller, and communication device fills for wireless connection
Put, and then realize remote monitoring.
Further, the granularity of raw material is more than 450 microns, and the granularity by the separated powder of tailing separator is 50
Micron is following, and the granularity by the separated powder of pulverized-coal collector is less than 1 micron.
Further, pulverized-coal collector separation parameter adjusts.
Further, bead is artificial bead or steel ball.
The milling apparatus is suitable for paint by the setting of above-mentioned separator, grind pigment, dyestuff, medicine or glue and hang
The Grinding manufacturing of the chemical materials of a variety of variable grain degree requirements such as agent.
Further, pneumatic pump is Pneumatic double diaphragm pump, and flow is adjustable, using compressed air as pressure, work
Pressure limit is 0.5-0.7Mpa.
Further, cylinder has double-layered bucket wall, and double-layered bucket wall forms accommodating cavity, accommodates cooling water, the outer layer of cylinder
Cold water inlet, wastewater outlet are set on bucket wall.
By setting the cylinder of double-layered bucket wall and entering water and water outlet accordingly, the control to barrel temperature is realized.
Further, main shaft is in the alternating forward and reverse rotation of the drive periodical of spindle motor, and forward and reverse rotation
Alternate cycle and cylinder swing belt wheel reciprocation period it is identical.
Further, main shaft is opposite with the direction of motion of cylinder swing belt wheel.
By the setting of the above-mentioned direction of motion, crush efficiency is further increased.
Further, the lodicule on the main shaft in grinder body is multiple lodicules, during main axis, the bead in body
Carrying out scattered grinding to the slurry in press-in cylinder under the drive of lodicule, lodicule shares 3, and the first lodicule is cross, and second
There are 3 using the central shaft through hole evenly distributed as the center of circle on lodicule, it is uniform by the center of circle of central shaft with 5 on the 3rd lodicule
The through hole of arrangement, wherein single armed length is 35cm in the cross of the first lodicule, single armed width is 25cm, second and third lodicule
Diameter 90cm, through hole radius are 18cm, and the thickness of lodicule is 9cm, major axis diameter 25cm, and closing on the distance between lodicule is
39cm。
Material passes sequentially through first, second and third lodicule, it is possible to achieve since the gap of lodicule is gradually increased, so as to fulfill right
The crushing of the gradient of material, makes material progressively be transitioned into little particle from bulky grain, ensure that in the case where occurring without putty
Effective processing is realized to material.
Further, bead is divided into big bead and small bead, and big bead diameter is generally 60mm, and small bead is a diameter of
20mm。
By the setting of size bead, the gap between bead can be effectively filled, be conducive to fine powder grinds life
Into.
Wherein sensor include tachogenerator, speed probe, weight sensor, temperature sensor, pressure sensor,
Vibrating sensor, audio sensor, load estimation module, tachogenerator are installed on feeding belt to measure the speed of feeding belt
Degree, weight sensor are installed on raw material bucket and powder bucket to measure the powder weight after raw material and processing, temperature sensor peace
Measurement water temperature is sentenced mounted in the wastewater outlet of grinder, and pressure sensor is installed on the discharge outlet of grinder to measure discharge port
Pressure, vibrating sensor and audio sensor be installed on grinder pedestal on measure the mechanical oscillation signal of grinder and
Noise signal, load estimation module are arranged between spindle motor and power supply the load with the electric current of measurement motor and voltage, turn
Fast sensor is arranged on main shaft to measure the rotating speed of main shaft;
Tachogenerator, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor pass through
Sampling A/D chip inputs a signal into main controller, and load estimation module inputs a signal into main controller by bandpass filter;
Further, the material position in cylinder is judged by mechanical oscillation signal and noise signal, is comprised the following steps that:
Step 1, mechanical oscillation signal and noise signal are filtered, remove garbage signal, and obtain mechanical oscillation frequency
Rate function fzWith noise frequency function fc;
Step 2, sound level is calculated,
In formula, L is sound level intensities, and t is the time, and e is the truth of a matter of natural logrithm function, and lg is logarithmic function, and F () is cylinder
Impact force function between interior bead and material, He() is tube structure receptance function, and a is sound level weighting coefficient, σradCylinder knot
The sound radiation coefficient of structure, ηsFor the internal damping coefficient of cylinder, d is cylinder average thickness, and Re represents to take real;
Step 3, the curve of sound level intensities L is drawn, and extracts envelope signal, envelope curve is formed and envelope signal is carried out
Lower sample process, carries out data compression;
Step 4, low-frequency reconfiguration is carried out to compressed data, obtains low-frequency reconfiguration signal;
Step 5, above-mentioned low-frequency reconfiguration signal is obtained by trained three layers of BP neural network with measurement in advance
Be respectively at 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% material position low-frequency reconfiguration signal carry out
Compare, export the Realtime Level information of grinder.
Material position is too low will to cause ball mill to be operated in scarce material state, and mass output rate is low, and the abrasion of bead and cylinder is more serious,
The excessive mass output rate that will also result in of material position is low, or even the problem of there may come a time when to cause putty.It can be monitored in real time by the above method
Material position situation in cylinder, so prevent material position too low or excessive situation occur.
Executive device includes pulley electric motor, stepper motor, spindle motor, water supply pump, pneumatic pump, clutch, gear
The belt pulley connection of case, pulley electric motor and feeding belt, main controller are connected with pulley electric motor by driving device and provided it
Tach signal is to adjust the feeding speed of feeding belt, and main controller is connected by impulse generator with stepper motor, impulse generator
The pulse signal in cycle is provided to stepper motor and then controls its service cycle and rotation angle, and main controller passes through drive spindle
Motor connects and provides it drive signal to adjust the supply of electric power of spindle motor and then adjust the load capacity of spindle motor,
Main controller is connected with control valve on water supply pump to control the supply pressure of cold water, and then realizes effective cooling to cylinder, master control
Device is connected with pneumatic pump to control the flow of powder.
Spindle motor is connected by clutch with gear-box, have on the output shaft of gear-box gear so as to on grinder
Pipe shaft gear is intermeshed, and main controller is connected with clutch so as to make spindle motor be disconnected with gear-box in load excessive, main
Control device is connected with gear-box is adjusted rotating speed and steering.
Further, pulse signal is generated by sinusoidal signal modulation, and positive and negative with two in each cycle
The identical pulse of pulsewidth, main controller controls stepper motor rotation angle by adjusting the size of pulse width, passes through tune
Save pulse signal cycle and adjust stepper motor service cycle, the half of pulse signal cycle is used as to gear-box steering by main controller
The cycle of adjusting.
Display device includes liquid crystal display and warning indicator, and display device liquid crystal display is connected with main controller, shows
Show the data of each sensor collection and the state of each executing agency, warning indicator is connected with main controller, for going out
Alarm is sent to remind operating personnel during existing failure;
Further, for pipeline putty, feeding belt stalling occur for failure, and clutch separates, wastewater outlet water temperature
Excessive, mechanical oscillation signal and noise signal are abnormal;
Main controller has fuzzy control device, and fuzzy control device includes difference engine, differentiator, defuzzification interface, output
Modular converter, inference machine, knowledge base are measured, load estimation module filters the measurement load voltage of the spindle motor measured by band logical
Ripple device is supplied to difference engine, and the setting load voltage that operating personnel input is subtracted each other to obtain error by difference engine with measurement load voltage
Value E, error value E obtain error rate dE/dt by differentiator, and error value E and error rate dE/dt are supplied to blurring
Interface, blurring assignment is carried out to error value E and error rate dE/dt, respectively obtains blurring error amount ME and blurring
Error change value MEC, blurring error amount ME and blurring error change value MEC are supplied to inference machine, and inference machine is according to knowledge
Input and output degree of membership vector value and reasoning from logic rule in storehouse is to blurring error amount ME and blurring error change value
MEC carries out fuzzy reasoning and obtains fuzzy control quantity MU, and fuzzy control quantity MU is converted to actual controlled quentity controlled variable by output quantity modular converter
U, controls power supply to provide voltage to spindle motor according to actual controlled quentity controlled variable U.
Wherein, the process for being blurred assignment is specially:According to selection parameter PL, PB of the linguistic variable of operating personnel, PM,
PS, ZO, NS, NM, NB, BL represent respectively positive super large, honest, center, it is just small, zero, it is negative it is small, negative in, negative big, negative super large, it is corresponding
Fuzzy set-n ,-n+1 ..., 0 ..., n-1, n }, n=4;
Determine quantizing factor, ke=n/e, wherein, keFor error amount quantizing factor, e is the worst error value of measurement, kec=
N/ec, kecFor error rate quantizing factor, ec is the worst error change rate of measurement,
If m≤keE≤m+1, m < n, then it is the k by rounding up to be blurred error amount MEeE;
If keE <-n, then it is-n to be blurred error amount ME;
If keE > n, then it is n to be blurred error amount ME;
If m≤kecE≤m+1, m < n, then it is the k by rounding up to be blurred error change value MECecE;
If kecE <-n, then it is-n to be blurred error change value MEC;
If kecE > n, then it is n to be blurred error change value MEC.
Further, knowledge base includes database and rule base,
Storage input, the fuzzy membership vector value of output variable in database, this vector value are input, output quantity process
The set of corresponding value, then can be membership function if corresponding domain is continuous after the discretizations such as corresponding domain, right
In the fuzzy variable of input, membership function is stored in database, and data are provided to inference machine in fuzzy reasoning relation.
Fuzzy rule is stored with rule base, fuzzy rule is the experience of operating personnel's long-term accumulation and combines expertise
On the basis of formed, expressed by the vocabulary of relevant logical relation, such as if-then, else, end, and, or etc..
It can effectively realize the rapid setting of motor load automatically by fuzzy control, reduce repairing repeatedly of manually setting
Change the inaccuracy of waste and precision in the efficiency brought.
Embodiment described above only expresses one embodiment of the present invention, but can not therefore be interpreted as to this
The limitation of invention scope.It should be pointed out that for those of ordinary skill in the art, the premise of present inventive concept is not being departed from
Under, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (9)
- A kind of 1. grinding chemical mechanical system of more lodicules, it is characterised in that:Including means of abrasion and control system two parts, grind Mill part includes raw material bucket, batcher, collector, feeding belt, grinder, bead separator, tailing separator, fine powder separation Device, powder bucket, wind turbine, valve and pipeline, raw material enter collector by batcher, pass through feeding belt with other powder set Into grinder, grinder forms preliminary working powder after material is ground, and enters bead separator by pipeline, bead is separated And retract in grinder, the preliminary working powder after separation enters tailing separator by pipeline, by oversized preliminary working powder Material separates and enters collector by pipeline, forms just separation powder by the preliminary working powder of tailing separator, passes through pipeline It is directly entered powder bucket and forms final powder, or pulverized-coal collector is entered by pipeline, further will just separates powder screening Final powder is formed, and off size defined powder is returned into collector;Wherein, there is grinder feed inlet, discharge port, cylinder, base bearing, auxiliary bearing, lodicule, bead, main shaft, cylinder to swing band Wheel and pipe shaft gear, raw material enter inner barrel by the feed inlet of cylinder, are arranged auxiliary bearing outside feed inlet, in cylinder Lodicule is fixedly connected with main shaft, and main shaft is hollow tubular structure, and multiple through holes are formed on surface, and main shaft one end is stretched out to be formed out Material mouth, base bearing are set on main shaft, and pipe shaft gear is set on main shaft, and pipe shaft gear is nibbled with the drive gear on spindle motor Close, main shaft rotates under the drive of spindle motor, and cylinder swings belt wheel and is fixedly connected with cylinder, and cylinder swings belt wheel and passes through belt It is connected with exterior stepper motor, it is past in the carry out at an angle of the drive periodical of stepper motor that cylinder swings belt wheel It is multiple to rotate;The lodicule on main shaft in grinder body is multiple lodicules, and during main axis, the bead in body is under the drive of lodicule Carry out scattered grinding to the slurry in press-in cylinder, lodicule shares 3, and the first lodicule be cross, on the second lodicule with 3 with Central shaft is the evenly distributed through hole in the center of circle, has 5 on the 3rd lodicule using the central shaft through hole evenly distributed as the center of circle;Control system includes sensor, main controller, executive device, display device and communication device, and sensor obtains measurement Signal pass to main controller, control executive device is acted accordingly after main controller is handled obtained signal, and Corresponding parameter is shown on the desplay apparatus, communication device is connected with main controller, and communication device is wireless connection device, and then Realize remote monitoring.
- A kind of 2. grinding chemical mechanical system of more lodicules according to claim 1, it is characterised in that:Main shaft is in main shaft electricity The alternating forward and reverse rotation of the drive periodical of machine, and the alternate cycle of forward and reverse rotation swings the reciprocal fortune of belt wheel with cylinder Dynamic cycle phase is same, and the direction of motion that main shaft swings belt wheel with cylinder is opposite.
- A kind of 3. grinding chemical mechanical system of more lodicules according to claim 1, it is characterised in that:The ten of first lodicule Single armed length is 35cm in font, and single armed width is 25cm, the diameter 90cm of second and third lodicule, and through hole radius is 18cm, lodicule Thickness be 9cm, major axis diameter 25cm, it is 39cm to close on the distance between lodicule;Bead is divided into big bead and small bead, greatly Bead a diameter of 60mm, the small a diameter of 20mm of bead.
- A kind of 4. grinding chemical mechanical system of more lodicules according to claim 1, it is characterised in that:Sensor includes surveying It is fast sensor, speed probe, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor, negative Estimation module is carried, tachogenerator is installed on feeding belt to measure the speed of feeding belt, and weight sensor is installed on raw material bucket With on powder bucket with measure raw material and processing after powder weight, temperature sensor be installed on grinder wastewater outlet sentence survey Water temperature is measured, pressure sensor is installed on the discharge outlet of grinder to measure discharge port pressure, and vibrating sensor and audio pass Sensor is installed on the pedestal of grinder to measure the mechanical oscillation signal of grinder and noise signal, and load estimation module is set With the electric current of measurement motor and the load of voltage between spindle motor and power supply, speed probe is arranged on main shaft to measure The rotating speed of main shaft;Tachogenerator, weight sensor, temperature sensor, pressure sensor, vibrating sensor, audio sensor pass through sampling Chip inputs a signal into main controller, and load estimation module inputs a signal into main controller by bandpass filter.
- A kind of 5. grinding chemical mechanical system of more lodicules according to claim 4, it is characterised in that:Pass through mechanical oscillation Signal and noise signal judge the material position in cylinder, comprise the following steps that:Step 1, mechanical oscillation signal and noise signal are filtered, remove garbage signal, and obtain mechanical oscillation frequencies letter Number fzWith noise frequency function fc;Step 2, sound level is calculated,<mrow> <mi>L</mi> <mo>=</mo> <mn>10</mn> <mo>*</mo> <mrow> <mo>(</mo> <mi>lg</mi> <mo>|</mo> <mfrac> <mrow> <mi>d</mi> <mi>F</mi> <mrow> <mo>(</mo> <msub> <mi>f</mi> <mi>z</mi> </msub> <mo>)</mo> </mrow> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> <mo>|</mo> <mo>+</mo> <mi>lg</mi> <mi> </mi> <mi>Re</mi> <mo>&lsqb;</mo> <msub> <mi>H</mi> <mi>e</mi> </msub> <mo>(</mo> <msub> <mi>f</mi> <mi>c</mi> </msub> <mo>)</mo> </mrow> <msup> <mi>e</mi> <mrow> <mo>-</mo> <mi>j</mi> <mn>90</mn> </mrow> </msup> <mo>&rsqb;</mo> <mo>+</mo> <mi>lg</mi> <mrow> <mo>(</mo> <mfrac> <mrow> <msub> <mi>a&sigma;</mi> <mrow> <mi>r</mi> <mi>a</mi> <mi>d</mi> </mrow> </msub> </mrow> <msub> <mi>f</mi> <mi>z</mi> </msub> </mfrac> <mo>)</mo> </mrow> <mo>-</mo> <msub> <mi>lg&eta;</mi> <mi>s</mi> </msub> <mo>-</mo> <mi>lg</mi> <mi> </mi> <mi>d</mi> <mo>)</mo> </mrow>In formula, L is sound level intensities, and t is the time, and e is the truth of a matter of natural logrithm function, and lg is logarithmic function, and F () is cylinder inner integument Impact force function between body and material, He() is tube structure receptance function, and a is sound level weighting coefficient, σradTube structure Sound radiation coefficient, ηsFor the internal damping coefficient of cylinder, d is cylinder average thickness, and Re represents to take real;Step 3, the curve of sound level intensities L is drawn, and extracts envelope signal, envelope curve is formed and lower pumping is carried out to envelope signal Sample processing, carries out data compression;Step 4, low-frequency reconfiguration is carried out to compressed data, obtains low-frequency reconfiguration signal;Step 5, by above-mentioned low-frequency reconfiguration signal by trained three layers of BP neural network, point obtained with measurement in advance Other places are compared in the low-frequency reconfiguration signal of 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% material position, Export the Realtime Level information of grinder.
- A kind of 6. grinding chemical mechanical system of more lodicules according to claim 5, it is characterised in that:Executive device includes Pulley electric motor, stepper motor, spindle motor, water supply pump, pneumatic pump, clutch, gear-box, pulley electric motor and feeding belt Belt pulley connection, main controller is connected by driving device with pulley electric motor provides it tach signal to adjust feeding belt Feeding speed, main controller are connected by impulse generator with stepper motor, and impulse generator provides the arteries and veins in cycle to stepper motor Rush signal and then control its service cycle and rotation angle, main controller is connected with spindle motor by driver and provides it drive Dynamic signal is to adjust the supply of electric power of spindle motor and then adjust the load capacity of spindle motor, and main controller on water supply pump with controlling Valve connection realizes effective cooling to cylinder to control the supply pressure of cold water, and main controller is connected with pneumatic pump to control The flow of powder processed.
- A kind of 7. grinding chemical mechanical system of more lodicules according to claim 6, it is characterised in that:Spindle motor passes through Clutch is connected with gear-box, has gear on the output shaft of gear-box so as to be intermeshed with the pipe shaft gear on grinder, main Control device is connected with clutch so as to make spindle motor be disconnected with gear-box in load excessive, and main controller is connected with gear-box to turning Speed and steering are adjusted.
- A kind of 8. grinding chemical mechanical system of more lodicules according to claim 7, it is characterised in that:Pulse signal be by Sinusoidal signal modulation generation, and pass through adjusting with the identical pulse of two positive and negative pulsewidths, main controller in each cycle The size and then control stepper motor rotation angle of pulse width, stepper motor operating week is adjusted by adjusting pulse signal cycle Phase, main controller turn to the cycle adjusted using the half of pulse signal cycle as to gear-box.
- A kind of 9. grinding chemical mechanical system of more lodicules according to claim 1, it is characterised in that:Display device includes Liquid crystal display and warning indicator, display device liquid crystal display are connected with main controller, show the number of each sensor collection According to this and each executing agency state, warning indicator is connected with main controller, for sending alarm when breaking down to carry Wake up operating personnel, and for pipeline putty, feeding belt stalling occur for failure, and clutch separates, wastewater outlet water temperature over-high, machinery Vibration signal and noise signal are abnormal.
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CN201610541528.9A CN106111270B (en) | 2016-07-09 | 2016-07-09 | A kind of grinding chemical mechanical system of more lodicules |
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CN201610541528.9A CN106111270B (en) | 2016-07-09 | 2016-07-09 | A kind of grinding chemical mechanical system of more lodicules |
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CN107670386B (en) * | 2016-12-12 | 2019-11-15 | 连江县维佳工业设计有限公司 | A kind of chemical industry pulp separation system of multisensor |
CN108567543B (en) * | 2018-04-11 | 2020-02-21 | 韩姝 | Comprehensive oral treatment system with intelligent speed regulation |
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CN1119558A (en) * | 1994-09-09 | 1996-04-03 | Evv财产管理有限公司 | Stirring mill |
CN1428201A (en) * | 2001-12-24 | 2003-07-09 | 古斯塔夫斯埃瑞希机械制造工厂有限及两合公司 | Mill with stirrer |
CN201760338U (en) * | 2010-08-12 | 2011-03-16 | 河南醒狮高新技术股份有限公司 | Dry-method horizontal material grinding and classifying system |
CN104971801A (en) * | 2015-05-22 | 2015-10-14 | 广西有色金属集团汇元锰业有限公司 | Nanometer bead milling system and nanocrystalline microsphere preparation method |
CN205361599U (en) * | 2016-02-05 | 2016-07-06 | 青岛田庄恒源石墨有限公司 | Novel crushing production line of super microballonization of full -automatic spherical graphite |
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JP2005334698A (en) * | 2004-05-24 | 2005-12-08 | Furukawa Co Ltd | Fine powder recovery apparatus |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1119558A (en) * | 1994-09-09 | 1996-04-03 | Evv财产管理有限公司 | Stirring mill |
CN1428201A (en) * | 2001-12-24 | 2003-07-09 | 古斯塔夫斯埃瑞希机械制造工厂有限及两合公司 | Mill with stirrer |
CN201760338U (en) * | 2010-08-12 | 2011-03-16 | 河南醒狮高新技术股份有限公司 | Dry-method horizontal material grinding and classifying system |
CN104971801A (en) * | 2015-05-22 | 2015-10-14 | 广西有色金属集团汇元锰业有限公司 | Nanometer bead milling system and nanocrystalline microsphere preparation method |
CN205361599U (en) * | 2016-02-05 | 2016-07-06 | 青岛田庄恒源石墨有限公司 | Novel crushing production line of super microballonization of full -automatic spherical graphite |
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