CN109201478A - A kind of novel micro-powder graded equipment - Google Patents
A kind of novel micro-powder graded equipment Download PDFInfo
- Publication number
- CN109201478A CN109201478A CN201811009386.7A CN201811009386A CN109201478A CN 109201478 A CN109201478 A CN 109201478A CN 201811009386 A CN201811009386 A CN 201811009386A CN 109201478 A CN109201478 A CN 109201478A
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- China
- Prior art keywords
- vibration table
- parallel
- sucker
- actuating vibration
- micro
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/08—Separating solids from solids by subjecting their mixture to gas currents while the mixtures are supported by sieves, screens, or like mechanical elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
Abstract
The present invention provides a kind of novel micro-powder graded equipment.The classifying equipoment includes: feed inlet, and feed pipe, piston rod, actuating vibration table in parallel, classification sucker, solenoid valve, air pump, gas path pipe, gather materials room, drainage conduit, recovery room, PLC, position sensor.The present invention utilizes the actuating vibration table in parallel with multi-dimensional vibration to be vibrated to powder material " excited state ", recycles intelligent suction system, and micro mist to be selected is sucked the room that gathers materials, greatly reduces the particle size range of micro mist.The present invention provides a kind of completely new micro-powder graded technology, solves the problems such as existing classification efficiency of common method in industry is low, product particle size distribution is wide, realizes not only efficient but also fine classification.
Description
Technical field
The present invention relates to micro mists to sort field, more particularly to a kind of novel micro-powder graded equipment.
Background technique
The industries such as current food, building materials, chemical industry, metallurgy, refractory material increasingly increase the demand of all kinds of powder materials,
The device category for processing powder material is various, the ball mill that is such as commonly used, airflow milling, Raymond mill, micronizer, right
Roller pulverizer, disk mill and various hammer crushers etc..Powder size wider distribution after smashing, size particles are attached on
Together, hard aggregation is formed, grain shape is half from setting and amorphous.Due to the difference of usage mode and purposes, micro mist is being passed through
Cross it is broken after there is still a need for further sortings, at present in industry commonly used by gravitational settling classification, overflow size separation, centrifugal classification
The methods of there is the problems such as classification efficiency is low, product particle size distribution is wide, have been unable to meet the demand in market.How to micro mist into
Capable not only efficient but also fine classification, becomes industry technical problem urgently to be solved.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of novel micro-powder graded equipment.
The present invention is realized with following technical solution:
A kind of novel micro-powder graded equipment, the classifying equipoment includes: feed inlet, feed pipe, piston rod, exciting in parallel
Platform is classified sucker, and solenoid valve, air pump, gas path pipe, gather materials room, drainage conduit, recovery room, PLC, position sensor.
Further, the feed inlet is connect with feed pipe, the charging positioned at the middle part of feed pipe, for powder material；
The tail end of the feed pipe is provided with piston rod, and piston rod is used to powder material being pushed into actuating vibration table in parallel by feed pipe,
The front end of the feed pipe and actuating vibration table flexible connection in parallel；It is provided with classification sucker above the parallel connection actuating vibration table, classification is inhaled
Disk coats actuating vibration table in parallel completely, but the two has no direct contact, between the two there are specific gap width, and short transverse
Gap width it is adjustable；The micro-powder graded outlet is connected to the room that gathers materials by gas path pipe, is arranged on the gas path pipe
There are solenoid valve and air pump；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, actuating vibration table in parallel and discharge nozzle flexible connection；Institute
It states discharge nozzle tail end and is connected with recovery room.
Further, the actuating vibration table in parallel includes moving platform, silent flatform and 3 single open chains I, II, III, and the parallel connection swashs
The platform that shakes further includes specific topological structure.
Further, the classification sucker further includes sucker ontology and suction hole, the air entry equably array distribution
In the inside of sucker ontology, the entrance of all air entries is respectively positioned on the lower surface of sucker ontology, and the outlet of all air entries converges
The gas outlet of the sucker ontology upper end entered, connect with gas path pipe.
The beneficial effects of the present invention are:
The present invention provides a kind of novel micro-powder graded equipment, using the actuating vibration table in parallel with multi-dimensional vibration by powder material
It is vibrated to " excited state ", recycles intelligent suction system, micro mist to be selected is sucked into the room that gathers materials, greatly reduces the grain of micro mist
Spend range.
The present invention also provides a kind of completely new micro-powder graded technology, solves the existing classification effect of common method in industry
The problems such as rate is low, product particle size distribution is wide, realizes not only efficient but also fine classification.
The present invention is capable of the operation of complete independently micro mist sorting, can carry out with existing various micro mist disintegrating apparatus pair
It connects, interconnection method is simple, efficient；And the load capacity range of equipment is wide, can be used to the work in laboratory, it can also be used to practical
Industrial production, flexibility is stronger.
The present invention is under the regulation of PLC intelligence control system, and links cooperate, high degree of automation, operation letter
It is single, it is micro-powder graded high-efficient, reduce the labor intensity of personnel.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the novel micro-powder graded equipment of one kind provided in this embodiment；
Fig. 2 is the structural schematic diagram of actuating vibration table in parallel provided in this embodiment；
Fig. 3 is the structural schematic diagram of classification sucker provided in this embodiment；
Fig. 4 is the schematic diagram of the PLC overall framework of novel micro-powder graded equipment provided in this embodiment；
Fig. 5 is the schematic diagram of the PLC workflow of novel micro-powder graded equipment provided in this embodiment；
Wherein: 1- feed inlet, 2- feed pipe, 3- piston rod, 4- parallel connection actuating vibration table, 5- are classified sucker, 6- solenoid valve, 7-
Air pump, 8- gas path pipe, 9- gather materials room, 10- drainage conduit, 11- recovery room, 12- position sensor, 13-PLC, 41- silent flatform,
42- moving platform, I-single open chain I, II-single open chain II, III-single open chain III, 51- suction hole, 52- sucker ontology.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment 1:
A kind of novel micro-powder graded equipment, as shown in Figure 1, the classifying equipoment includes: feed inlet 1, feed pipe 2, piston
Bar 3, actuating vibration table 4 in parallel are classified sucker 5, and solenoid valve 6, air pump 7, gas path pipe 8, gather materials room 9, drainage conduit 10, recovery room 11,
PLC13, position sensor 12.The feed inlet is connect with feed pipe, positioned at the middle part of feed pipe, for powder material into
Material；The tail end of the feed pipe is provided with piston rod, and piston rod is used to powder material being pushed into actuating vibration table in parallel by feed pipe
On, the front end of the feed pipe and actuating vibration table flexible connection in parallel；It is provided with classification sucker above the parallel connection actuating vibration table, is classified
Sucker coats actuating vibration table in parallel completely, but the two has no direct contact, between the two there are specific gap width, and height side
To gap width it is adjustable；The micro-powder graded outlet is connected to the room that gathers materials by gas path pipe, sets on the gas path pipe
It is equipped with solenoid valve and air pump；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, actuating vibration table in parallel and discharge nozzle flexible connection；
The discharge nozzle tail end is connected with recovery room.
Further, the actuating vibration table in parallel is as shown in Fig. 2, include moving platform 42, silent flatform 41 and 3 single open chains I,
II, III, the parallel connection actuating vibration table further includes special topological structure, and the topological structure of the parallel connection actuating vibration table is 2-PRU+CRCR,
The structural equivalence of single open chain I (P1 ⊥ R1-U1) is in P1 ⊥ R1 ‖ R11 ⊥ R12.The structure arrangement of single open chain III is identical as I,
Movement chain structure (P3 ⊥ R3-U3) is equivalent to P3 ⊥ R3 ‖ R31 ⊥ R32, and two single open chains are coplanar.II structure of single open chain
(C2 ⊥ R2 ‖ C21 ⊥ R21) is equivalent to R22 | P22 ⊥ R2 ‖ R23 | P23 ⊥ R21, prismatic pair P1, and P3, cylindrical pair C2 axis co-planar,
And P1, P3 axis are overlapped, C2 axis and P1, P3 axis are parallel.The parallel connection actuating vibration table three with two translations, one rotation is free
Degree, respectively along X, the translation of Z axis and the rotation around Y-axis.
Further, the classification sucker is as shown in figure 3, include sucker ontology 52 and suction hole 51, the air entry is equal
For even ground array distribution in the inside of sucker ontology, the entrance of all air entries is respectively positioned on the lower surface of sucker ontology, all air-breathings
The gas outlet for the sucker ontology upper end that the outlet of mouth imports, connect with gas path pipe.
Embodiment 2:
A kind of novel micro-powder graded equipment, general frame as shown in figure 4, the PLC respectively with host computer, piston rod,
Solenoid valve, air pump, position sensor, driver 1, driver 2, driver 3 are electrically connected.The PLC connection host computer is for setting
Fixed piston bar feeds number, the type of micro powder granule, it is desirable to the particle size range of sorting, the parameters such as suction time；The PLC and work
Stopper rod is connected, for controlling the switch of piston rod, to control the charging number of piston rod；The PLC is connected with solenoid valve, electricity
Magnet valve is connected with air pump, for controlling the switch of gas circuit, and the speed of exhaust of setting air pump, thus control gas circuit unlatching when
Between；The PLC and driver 1, driver 2, driver 3 connect, the driver 1, driver 2, driver 3 respectively with stepping
Motor 1, stepper motor 2, stepper motor 3 connect, and for driving stepper motor 1, stepper motor 2, stepper motor 3 is in parallel to be operated,
Frequency, direction and the number that pulse is sent according to PLC control speed, direction and the displacement of the running of three stepper motors, to control
Make vibration frequency, amplitude and the direction of actuating vibration table in parallel；The PLC is connected with position sensor, for feeding back actuating vibration table in parallel
Actual vibration frequency and direction, constitute the closed-loop control of actuating vibration table in parallel.
Embodiment 3:
A kind of novel micro-powder graded equipment, using the servo-control system of PC+PLC, general frame is as shown in figure 4, institute
State piston rod, three driving motors, solenoid valve, air pump, the position sensor of actuating vibration table in parallel are controlled by PLC controller, PLC
It is communicated by R232 serial ports and PC host computer.The workflow of equipment is as shown in Figure 5:
1) after device power, control system is initialized, and position sensor and solenoid valve carry out set；
2) powder material is added by feed inlet, subsequently enters feed pipe, start piston rod, powder material is pushed into parallel
Actuating vibration table, and detect whether to complete charging, if it is not complete, then piston rod works on, until all powder materials are pushed away
Enter actuating vibration table in parallel；
3) type of micro powder granule is selected on PC host computer, it is desirable to the parameters such as the particle size range of sorting and suction time,
Software is by the excited frequency of Auto-matching parallel connection actuating vibration table and direction, the parameters such as the speed of exhaust of air pump；
4) click start button on PC upper computer software, start actuating vibration table in parallel, the stepper motors of three branches according to
Specified frequency and directioin parameter starts running, and position sensor feeds back to collected actual vibration frequency and direction on PC
Position machine is compared with setup parameter, is gradually increased power of motor, until reaching the excited frequency, amplitude and direction of setting.This
When, the micro powder granule needed is in " excited state " under the excitation of actuating vibration table, overcomes self gravity, is in suspended state；
5) solenoid valve is opened, booster air pump works according to the speed of exhaust that PC host computer gives, in " excited state "
For micro powder granule under the suction of air pump, the air entry by being classified sucker enters classification sucker, and is imported into sucker ontology upper end
Gas outlet through piping, eventually enter into the room that gathers materials；
6) after the completion of micro mist sorting, actuating vibration table stops vibration, starts to tilt to the discharge nozzle of right end, surplus material is delivered to back
Interior is received, is further processed.
Embodiment 4:
As shown in Fig. 2, the shared kinematic pair number m=10 of the parallel institution of the parallel connection actuating vibration table, number of components n=9, therefore the machine
The fundamental circuit number v=m-n+1=10-9+1=2 of structure.
Freedom degree (DOF) formula is
In formula: F: mechanism freedom DOF；
Mechanism kinematic pairs freedom degree summation (for the freedom degree of i-th of kinematic pair)；
Independent displacement equation number summation (for the independent displacement equation number of j-th of independent loop)；
The POC collection of the sub- parallel institution moving platform of preceding j branch composition；
Ms(j+1): the POC collection of (j+1) article branch terminal link；
By Ms1,Ms2,Ms3Formula is brought into obtain
The 1st independent loop independent parties number of passes ξ being made of I, II branch1For
I, the POC collection of sub- parallel institution moving platform of II branch composition is
The independent displacement equation number of 2nd independent loop is
The freedom degree (DOF) for determining mechanism is
The mechanism for being F for freedom degree preselects F kinematic pair and is that driving is secondary, and if the new mechanism that obtains its rigidifying certainly
By spending F '=0, then the F kinematic pair preselected can be secondary for driving simultaneously.Since the freedom degree of mechanism is 3, the shifting of 3 branches is preselected
Dynamic secondary P1, C2, P3 are that driving is secondary, by their rigidifying, obtain mechanism freedom F '=3+3+3-5-4=0 after rigidifying, meet driving
Secondary existence rules.
Embodiment 5；
A kind of novel micro-powder graded equipment, is tested with diadust raw material, passes through each grade product of gained micro mist
With the comparison of the scanning electron microscope image of raw material as can be seen that with the novel micro-powder graded processed micro mist of equipment, size distribution is equal
Even, grading effect is preferable, and especially average particle size is 5 μm and 3 μm of product, and granule-morphology is uniform, and basic plastochondria fraction reaches
To 70% or more, the standard for being 40% is required far beyond the basic plastochondria fraction of national standard.Average particle size is 1 μm and 0.5 μm
Product, since granularity is smaller, dispersion is become difficult, and effectiveness of classification decline, basic plastochondria fraction reaches 40%.It can be seen that
0.5 μm is limit product that the micro-powder graded equipment of the utility model can be handled.Using novel micro-powder graded equipment provided by the invention,
Fine graded, the graded product narrow particle size distribution for the micro mist that average particle size is 0.5 μm or more product may be implemented, granule-morphology is equal
It is even.
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (4)
1. a kind of novel micro-powder graded equipment, it is characterised in that: the classifying equipoment includes feed inlet, feed pipe, piston rod, and
Join actuating vibration table, is classified sucker, solenoid valve, air pump, gas path pipe, gather materials room, drainage conduit, recovery room, PLC, position sensor.
2. equipment according to claim 1, it is characterised in that: the feed inlet is connect with feed pipe, in feed pipe
Portion, the charging for powder material；The tail end of the feed pipe is provided with piston rod, piston rod be used to pass through powder material into
Expects pipe is pushed on actuating vibration table in parallel, the front end of the feed pipe and actuating vibration table flexible connection in parallel；Above the parallel connection actuating vibration table
It is provided with classification sucker, classification sucker coats actuating vibration table in parallel completely, but the two has no direct contact, and there are spies between the two
Fixed gap width, and the gap width of short transverse is adjustable；The micro-powder graded outlet is connected to by gas path pipe to gather materials
Room is provided with solenoid valve and air pump on the gas path pipe；The right end of the parallel connection actuating vibration table is provided with discharge nozzle, exciting in parallel
Platform and discharge nozzle flexible connection；The discharge nozzle tail end is connected with recovery room.
3. equipment according to claim 2, it is characterised in that: the parallel connection actuating vibration table includes moving platform, silent flatform and 3 lists
Open chain I, II, III, the parallel connection actuating vibration table further includes specific topological structure.
4. equipment according to claim 3, it is characterised in that: the classification sucker further includes sucker ontology and suction hole, institute
Stating air entry, equably array distribution in the inside of sucker ontology, the entrance of all air entries is respectively positioned on the following table of sucker ontology
Face, the gas outlet for the sucker ontology upper end that the outlet of all air entries imports, connect with gas path pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009386.7A CN109201478B (en) | 2018-08-31 | 2018-08-31 | Micro powder grading equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009386.7A CN109201478B (en) | 2018-08-31 | 2018-08-31 | Micro powder grading equipment |
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| CN109201478A true CN109201478A (en) | 2019-01-15 |
| CN109201478B CN109201478B (en) | 2022-03-15 |
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| CN201811009386.7A Active CN109201478B (en) | 2018-08-31 | 2018-08-31 | Micro powder grading equipment |
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