CN206549739U - A kind of intelligent dry type milling system - Google Patents

Abstract

The utility model is related to a kind of intelligent dry type milling system, including frame and the ball mill being arranged in frame, it is characterised in that：The material fed intake in groove is sent into ball mill and ground by the ball mill by feed device, material after grinding is delivered to grading plant and is classified, the material of lighter weight is delivered to collection device collection after classification, and the material of heavier mass is delivered to the ball mill regrinding after classification.The utility model is by material by carrying out once, twice or more times classification processing after ball mill grinding to it, and whole milling system realizes circular grinding, i.e. the material of heavier mass is ground into ball mill repeatedly, persistent collection is carried out to the material of lighter weight, until all materials reach the granularity specified, so as to ensure the uniformity of product quality；Meanwhile, milling system of the present utility model is ground using closed loop, and its production efficiency is high, and cost is low, and pollution is few.

Description

A kind of intelligent dry type milling system

Technical field

The utility model is related to charging, discharging, classification and the fine of dry type ball milling material technical field, i.e. powder material Field of deep, specifically intelligent dry type milling system.

Background technology

In ore dressing at home and abroad or advanced material field, grinding and graded operation are an essential important process Link, the fine or not influence to the technic index of nano material, energy resource consumption and production cost of its working condition is most important, In order to fully excavate the internal potential of grinding and graded operation, seek efficient nano-milled and online classification effective way, it is right The experimental study tool that grind grading is automatically controlled is of great significance.

Powdered or granular object with appropriateness and viscosity allows it with low discharge if placed in a container Mode flowed downward from dynamic, be at this moment difficult to be flowed downward by the weight of itself because these materials have certain viscosity, Outlet is easily blocked, when carrying out proportional mixed preparing with other different types of powdered or granular materials, one As in the case of several different materials are weighed in proportion after, then this several different object is poured in mixer the machine that carries out Tool is stirred or is poured in container and manually mixed, and this method is simple and reliable, but labor intensity is larger, production cost It is higher, it is impossible to be operated in the form of streamline, it is difficult to adapt to the production requirement of modern mechanical.Especially work as and mixed in material When having cotton-shaped or velvet-like material, this phenomenon is particularly evident, and its cutting mode is linear shear, and shearing force is larger, so machinery fortune The vexed sound of " bang bang " is had when turning, can cause to block when serious, go out to have a strong impact on operating efficiency.

The since the advent of the world such as ball mill, pulverizer are won due to excellent performance in material fine and classification field Scientific research person, the good reputation of corporate boss, as new energy, new material industry are a dark horse, urgency of the market to the demand of above-mentioned machine Speed is increased, and the requirement of its performance and quality is also increasingly strict, and particularly there is tightened up requirement in the developed country such as America and Europe.It is existing Some ball-grinding machines mostly ball mill by wet process, it can pass through the direct feeding of product pump；And for existing dry method ball mill, it enters Either material mode is fed naturally using gravity, or fed using negative pressure, after charging after ball milling several times is carried out using ball mill, Obtain finished product.This mode causes the particle diameter of product not uniform enough due to not being classified processing to the material after ball milling；And Existing dry method ball mill is directly that air-tightness when this feeds for negative pressure has an impact from discharge hole for discharge.

Utility model content

For above-mentioned technical problem, the purpose of this utility model is to provide production efficiency height, material can be carried out repeatedly The online intelligent dry type milling system of classification.

The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of dry ball system, including Frame and the ball mill being arranged in frame, the ball mill are sent into the material fed intake in groove in ball mill by feed device Grinding, the material after grinding is delivered to grading plant and is classified, and the material of lighter weight is delivered to collection device receipts after classification Collection, the material of heavier mass is delivered to the ball mill regrinding after classification.

Preferably, the material that the collection device is collected, which is delivered to secondary grading device, carries out secondary grading, secondary point The material of lighter weight is delivered to secondary collection device and collected after level, and the material of heavier mass is delivered to the ball after secondary grading Grinding machine is regrind.

Preferably, the material of heavier mass enters a transfer material after the material and secondary grading of heavier mass after classification Storehouse, then the groove that feeds intake is entered by transfer feed bin, then pass through the groove input ball mill that feeds intake.

Preferably, the groove that feeds intake includes being provided with translation rotating dress in the hopper being arranged in frame, the frame Put, the translation rotating device drives the hopper to translate and rotate.

Preferably, the translation rotating device includes the slide rail for laterally setting and being hinged with frame side and can be along the cunning The sliding block that rail is slided, the sliding block is fixedly mounted on hopper.

Preferably, the feed device includes the tapping channel with the groove outlet that feeds intake, in the tapping channel Interior that its direction that discharges is provided with spring, the spring is driven by motor to be rotated and can drive the material fed intake in groove along the discharging Passage flows into the ball mill.

Preferably, being communicated in the middle part of the tapping channel with the groove outlet that feeds intake, tapping channel one end discharging is described One end described in spring from the tapping channel other end through the outlet insertion tapping channel.

Preferably, the ball mill includes the interior hollow grinding drum for being provided with abrasive media, the grinding drum one end is offered With the charging aperture of feed device outlet, the other end is connected with hollow 3rd rotating shaft for driving abrasive media motion, the 3rd Rotating shaft inner chamber is connected with grinding barrel cavity；Material is delivered to grinding barrel cavity from the charging aperture, then the grinding medium through motion After matter grinding, the material of lighter weight is delivered to the classification dress under suction function from the 3rd rotating shaft inner chamber of rotation Put.

Preferably, the 3rd rotating shaft drives grinding drum rotation, grinding drum drives abrasive media motion.

Preferably, being provided with rotor in the grinding drum, the rotor is driven by the 3rd rotating shaft to be rotated, the grinding Medium is driven by the rotor and moved.

Preferably, the grading plant and secondary grading device include hollow cylinder, into the material of cylinder lumen In the presence of negative pressure, the material of heavier mass flow to cylinder bottom discharging opening, and the material of lighter weight flow to cylinder top and gone out Material mouth, the bottom discharging opening is connected with discharging mechanism, and the material for flowing to the bottom discharging opening enters after the discharging mechanism The transfer feed bin, the top discharging opening is connected with classification mechanism, flow to the material of the top discharging opening through classification mechanism Quality relatively light material is exported after classification.

Preferably, the discharging mechanism includes the pedestal being tightly connected with the bottom discharging opening and is arranged on the pedestal Interior rotatable material discharging wheel, the material flowed into from the bottom discharging opening in pedestal is driven by material discharging wheel rotation to flow out.

Preferably, being offered on the pedestal and the bottom discharging opening is connected goes out material through hole, opened on the pedestal Provided with from it is described go out the axial mounting hole that passes through of middle part of material through hole, the material discharging wheel, which coordinates, to be arranged in the mounting hole；It is described go out Several grooves are arranged at intervals with along its perisporium in material wheel, each groove can carry the material in half of discharging through hole, each Individual groove makes the material carried in it be flowed out from lower half discharging through hole by the rotation of material discharging wheel.

Preferably, the classification mechanism includes the cavity that is connected with the top discharging opening and be arranged on can in the cavity The grading wheel of rotation, quality phase is exported after flowing into the grading wheel classification that the material in cavity passes through rotation from the top discharging opening To lighter material.

Preferably, the collection device and secondary collection device are sealed including hollow cylinder body and with this tin body It is provided with the middle part of the cover of connection, this tin body on conveying pipeline, cover and is provided with negative pressure device and high-pressure pulse device, cylinder body Inside it is provided with filter；Material is filtered after conveying pipeline enters in cylinder body through filter in the presence of negative pressure device From cylinder body bottom, outflow is collected afterwards, and the material adsorbed on filter departs from the mistake by the high-pressure pulse device Filter device.

Preferably, the cylinder body includes the column-shaped barrel on top and the conical shell of bottom, the filter peace In column-shaped barrel, the conveying pipeline is arranged on column-shaped barrel and on the downside of column-shaped barrel；The filter includes Offered and filter core inner chamber on the cover plate being tightly connected with column-shaped barrel upper end and the hollow filter core being arranged on the downside of cover plate, cover plate Gaseous impurity in the stomata of connection, material enters filter core inner chamber through filter core, is then extracted out from stomata.

Preferably, the high-pressure pulse device includes being arranged on the several pulses that can be connected with high-pressure air source on cover Valve, each pulse valve is connected with stretching into the nozzle of filter core inner chamber from the stomata.

As can be known from the above technical solutions, the utility model by material by being carried out once to it after ball mill grinding, it is secondary Or multiple fractionation processing, and the material that whole milling system realizes online circular grinding, i.e. heavier mass enters goal repeatedly Grinding machine is ground, and persistent collection is carried out to the material of lighter weight, until all materials reach the granularity specified, so as to ensure The uniformity of product quality；Meanwhile, milling system of the present utility model is ground using closed loop, and its production efficiency is high, and cost is low, Pollution is few.

Brief description of the drawings

Fig. 1 is a kind of structural representation of preferred embodiment of the utility model.

Fig. 2 is the structural representation of groove original state of feeding intake in the utility model.

Fig. 3 is the structural representation of groove rotation status of feeding intake in the utility model.

Fig. 4 is the structural representation of feed device in the utility model.

Fig. 5 is a kind of structural representation of preferred embodiment of ball mill in the utility model.

Fig. 6 is the structural representation of another preferred embodiment of ball mill in the utility model.

Fig. 7 is the structural representation of grading plant or secondary grading device in the utility model.

Fig. 8 is Fig. 7 schematic cross-sectional view.

Fig. 9 is collection device or secondary collection device structural representation in the utility model.

Embodiment

The utility model is discussed in detail with reference to Fig. 1-9：

Such as Fig. 1, a kind of intelligent dry mix milling system, including frame 1 and the ball mill 6 being arranged in frame, institute State ball mill 6 and the material fed intake in groove 11 is sent into by grinding in ball mill by feed device 10, the material after grinding is delivered to Grading plant 03 is classified, and the material of lighter weight is delivered to collection device 7 and collected after classification, the thing of heavier mass after classification Material is delivered to the ball mill regrinding, so as to realize circular grinding, improves product quality.

Preferably, the material that the collection device is collected, which is delivered to secondary grading device 003, carries out secondary grading, it is secondary The material of lighter weight is delivered to secondary collection device 07 and collected after classification, and the material of heavier mass is delivered to institute after secondary grading State ball mill regrinding；In implementation process, grinding three times, four times or more can be also carried out as needed, so that To the material of specified particle size.In the utility model, heavier mass after the material and secondary grading of heavier mass after classification Material enters a transfer feed bin 8, then enters the groove that feeds intake by transfer feed bin, then passes through the groove input ball milling that feeds intake Machine.Being provided with using continuing to ball mill or being intermittently fed for transfer feed bin, is easy to control to feed.

In the utility model, the groove 11 that feeds intake, which includes can be set on the hopper 2 being arranged in frame 1, hopper, drying Device（Not shown in figure）, material is dried, caking is prevented, drying unit may be provided in trough sidewalls, such as heating wire； Also it can be set directly in hopper, such as heater., can be using artificial or machine admixture into hopper in implementation process Material；Translation rotating device 21 is provided with the frame, the translation rotating device drives the hopper to translate and rotate.Ball milling system During system work, hopper, which is filled it up with, is placed in central rack after material, material, such as Fig. 2 can be conveyed into ball mill in time by hopper, this For the original state for the groove that feeds intake；When needing to add material to hopper, hopper is driven to move to by translating rotating device first Frame side, then drives hopper to rotate to shell outside, such as Fig. 3 by translating rotating device, it is ensured that hopper is located at whole ball Outside grinding system, fed with facilitating to hopper；Hopper is filled it up with after material, drives hopper inversely to revolve by translating rotating device first Go on the inside of frame, then move to central rack, reset hopper, continue to convey material to ball mill.

Specifically, the translation rotating device 21 includes the slide rail 22 for laterally setting and being hinged with frame side and can edge The sliding block 23 that the slide rail is slided, the slide rail being hinged can realize rotation, and the sliding block is fixedly mounted on hopper, can band by sliding block Dynamic hopper translation, can drive hopper to rotate by slide rail and sliding block；In implementation process, the slide rail is using at least one straight line Correspondence issues at least one slide opening 24 for inserting the line slide rail on slide rail, the sliding block, in the utility model, uses Two line slide rails and corresponding two slide openings up and down, it is ensured that the stability of the translation rotation of hopper；The sliding block passes through cunning Pore area moves hopper and slided along corresponding line slide rail, realizes that hopper is translated.The translation rotary device structure of this mode is simple, Easy to process, cost is low.In implementation process, the translation rotation mode of other forms can be also used, such as worm and gear is realized Hopper is translated, and gear etc. realizes that hopper rotates.

In the utility model, each line slide rail one end is hinged with side described in frame, realizes the rotation of slide rail, separately One end forms the back-up ring 25 that diameter is more than the slide opening, slide bar can be skidded off during anti-limited slip block translation, so as to avoid hopper from slipping. The utility model is also provided with a rotating shaft 26 vertically, and the rotating shaft two ends are rotated with being fixedly mounted on the support base 27 of side described in frame Rotating shaft two ends, can be arranged on support base, the slide rail is vertical with the rotating shaft to be fixed by connection in implementation process by bearing Connection, the rotating shaft of rotation can drive slide rail to rotate, and then drive hopper to rotate by sliding block.In implementation process, the frame Opposite side, which is provided with, carries out spacing stopping means 28 to the sliding block；After on the inside of hopper counter-rotating to frame, such as hopper The angle of counter-rotating is excessive, can cause the material of hopper and can not be aligned with the charging aperture of ball mill, it is therefore desirable to design spacing Device, prevents that the angle of hopper counter-rotating is excessive, it is ensured that hopper is to the accurate conveying of ball mill.

Specifically, the stopping means 28 includes the limit shaft for laterally setting and being fixedly connected with opposite side described in frame 281 and the spacing hole 282 that is arranged on the sliding block, after the hopper spinning reduction, the limit shaft can be inserted into spacing hole. In implementation process, when hopper is located at original state, in limit shaft insertion spacing hole, because limit shaft is fixed, therefore material Groove front and rear will not be rocked in the presence of spacing hole；Meanwhile, opposite side described in limit shaft from frame inserts spacing hole, can be to hopper Play a supporting role, because now there are support member, the i.e. slide rail of frame side and frame opposite side in the hopper left and right sides Limit shaft, so as to ensure that hopper is firmly in frame centre position.When needing to feed to hopper, to side translator slider, So that limit shaft progressively disengages spacing hole, after limit shaft completely disengages from spacing hole can real hopper rotation；Hopper fills it up with material Afterwards, counter-rotating resets, and now the center line of spacing hole and limit shaft is located at same straight line, then to opposite side translator slider, Limit shaft is set to be gradually inserted spacing hole, until hopper returns back to original state.In implementation process, stopping means is not limited to above-mentioned Mode, also can carry out the mode such as spacing using the rotation of countershaft.

Such as Fig. 4, feed device 10 of the present utility model includes the tapping channel 14 connected with the outlet of groove 11 13 that feeds intake, Its direction that discharges is provided with spring 15 in the tapping channel, the spring drives the material in rotation, hopper to exist by motor 16 It is collected under Action of Gravity Field and exports and enter tapping channel, and material can be driven along institute by being arranged on the torsional spring in feeding-passage State tapping channel and flow into the ball mill.In the utility model, the hollow structure of spring will not block tapping channel, and can be by Material scattering, prevents caking；Spring rotation can be such that material is moved along its hand of spiral；In implementation process, the spiral shell of spring rotation Revolving direction can be controlled by the rotating of motor, it is ensured that material flows out from tapping channel.Specifically, in the middle part of the tapping channel Communicated with the hopper lower ending opening, tapping channel one end discharging, the spring is passed through under hopper from the tapping channel other end One end described in end opening insertion tapping channel so that the material of hopper outlet outflow is directly contacted with spring, so that in rotating missile Material is pushed into one end described in tapping channel in the presence of spring to be discharged, feeding efficiency is improved.In implementation process, discharging One end described in passage sets the discharge nozzle 17 connected with ball mill, and the spring one end is stretched into the discharge nozzle, and discharge nozzle is favourable It is attached in ball mill or transferring equipment, and is conducive to sealing.

Second rotating shaft 18 of the other end of spring 15 with inserting the tapping channel other end is affixed, and the motor is by subtracting Fast mechanism 19 drives second rotating shaft rotation, and the second rotating shaft drives spring rotation, is conducive to installing rotating shaft using reducing gear, and By the rotating speed of controlled motor, can effectively control the rotary speed of spring, so as to according to the requirement of inlet amount effectively control into Material.Sealing ring 110 is provided between the tapping channel and the second rotating shaft in the utility model, prevents material so as to both it Between gap outflow, it is to avoid influence the second rotating shaft rotation.In the utility model, it is provided with the hopper and material is carried out The stirring rotator 111 of stirring, so that by material dispersion, it is to avoid material is blocking, influence discharging.

Ball mill 6 of the present utility model includes the interior hollow grinding drum 62 for being provided with abrasive media 61, and the grinding drum one end is opened Provided with the charging aperture 63 with feed device outlet, the other end is connected with hollow 3rd rotating shaft for driving abrasive media motion 64, the 3rd rotating shaft inner chamber is connected with grinding barrel cavity, and material is delivered to grinding barrel cavity from the charging aperture, then through motion Abrasive media collision, after grinding, the material of lighter weight is conveyed under suction function from the 3rd rotating shaft inner chamber of rotation To the grading plant, and the material of heavier mass then continues to stay in grinding drum and is ground, so as to realize what is discharged online Purpose.Negative pressure of the present utility model can be using air exhauster etc., and air directly can be pumped into grinding drum by it, cost-effective；In reality During applying, air cleaner can be set in air inlet, it is to avoid the quality of the impurity effect material in air.

Such as Fig. 5, as a kind of preferred embodiment, the 3rd rotating shaft 64 drives grinding drum 62 to rotate, and grinding drum drives grinding Medium motion；This mode can make material and abrasive media be sufficiently mixed, collide, and grinding effect is good；Such as Fig. 6, as another Plant and rotor 65 is provided with preferred embodiment, the grinding drum 62, rotor can be using abrasive disk or classification rotating wheel, to can also use While abrasive disk, classification rotating wheel is set in grinding drum discharge end, material can be tentatively classified, with the rotor by described 3rd rotating shaft 64 driving rotation, the abrasive media is driven by the rotor and moved；Which can avoid grinding drum from rotating, only need to be compared with Small drive force rotor, energy consumption is relatively low.

Specifically, the rotor 65 is to offer several through holes 66 connected with rotor internal cavity, institute on sleeve rotor, rotor State the 3rd rotating shaft inner chamber to connect with the rotor internal cavity, on the one hand the design of sleeve rotor and through hole can mitigate weight, on the other hand A part of abrasive media and material can be made to be moved in circles discrepancy rotor internal cavity by through hole, material and abrasive media is fully mixed Close, grind, improve grinding effect；In the utility model, the rotation of sleeve rotor can stir the abrasive media motion being in contact with it, So as to mix, collide with material, the purpose of refinement material is realized；Therefore, in the presence of negative pressure device, the material of lighter weight Enter rotor internal cavity through through hole, then flowed out from the 3rd rotating shaft inner chamber.

In the utility model, the 3rd rotating shaft 64 is tightly connected with a discharging axle 67, prevents material from leaking, the 3rd rotating shaft Inner chamber is connected with the discharging axle inner chamber, and negative pressure device can be set in the discharging axle, make the material of rotating shaft inner chamber in the effect of negative pressure Under from discharging axle outflow.Meanwhile, can be by adjusting the vacuum magnitude of negative pressure device, the suction force of such as air exhauster or air-introduced machine is big It is small, the product of different-grain diameter size can be obtained；Therefore, requirement that can be according to client in implementation process or processing request, setting Certain vacuum magnitude, can obtain the product of specified particle size.

Grinding drum 62 of the present utility model, which includes being installed with outer barrel 68, the outer barrel in interior bucket 69, interior bucket, is provided with institute State abrasive media；Contacted due to interior bucket, collided with abrasive media, therefore, be conducive to interior bucket to be carried out after wearing and tearing using twin-tub structure Maintenance, replacing, it is cost-effective.In implementation process, the interior bucket is by special materials such as zirconium oxide, aluminum oxide, steel alloy or PU It is made, improves the wearability of interior bucket.3rd rotating shaft 64 drives rotation by the second motor 60 by the second reducing gear 610, Be conducive to being controlled the rotating speed of the 3rd rotating shaft.And interior bucket may be designed to trapezoidal shape, abrasive media is driven to move to interior bucket most Fall after high point, improve impact.In implementation process, the staving also carries weighing device, so that accurate control adds in real time Material；Side can also be with taper discharging separation screen device in the staving, can be by the completely isolated bucket of abrasive media.

Grading plant and secondary grading device of the present utility model uses identical structure, and it includes hollow cylinder 3, enters Enter the material of the cylinder lumen in the presence of negative pressure, the material of heavier mass flow to cylinder bottom discharging opening 34, lighter weight Material flow to cylinder top discharging opening 33, so as to be tentatively classified to material；The bottom discharging opening is connected with discharging machine Structure 4, the material for flowing to the bottom discharging opening enters the transfer feed bin, the top discharging opening connection after the discharging mechanism There is classification mechanism 5, flow to output quality after the material of grading plant top discharging opening is classified through classification mechanism relatively light Material to collection device, flow to after the material of the secondary grading device top discharging opening is classified through classification mechanism and export quality Relatively light material is to secondary collection device, and the relatively heavy material of quality then overcomes gas impulsive force to flow to bottom discharging Mouthful, transfer feed bin is entered back into, so as to realize classification.Particle in the material of the lighter weight described in the utility model is still deposited In point of weight, the quality relatively light material refers to that lighter part of granular mass in the material of lighter weight, And the heavier another part of granular mass is then referred to as the relatively heavy material of the quality in the material of lighter weight.

Discharging mechanism 4 of the present utility model includes the pedestal 41 being tightly connected with the bottom discharging opening 34 and is arranged on this Rotatable material discharging wheel 42 in pedestal, the material flowed into from the bottom discharging opening in pedestal is rotated by the material discharging wheel to be driven Outflow；Specifically, offer and the bottom discharging opening 34 is connected goes out material through hole 43, opened on the pedestal on the pedestal 41 Provided with from it is described go out the axial mounting hole 44 that passes through of middle part of material through hole, the material discharging wheel, which coordinates, to be arranged in the mounting hole, and this goes out Material wheel will go out material through hole be separated into above and below two halves, and material through hole closing will be gone out, and prevent gas under negative pressure device effect from discharging Through hole enters bottom discharging opening；Several grooves 45 are arranged at intervals with along its perisporium on the material discharging wheel 42, each groove passes through Rotation can be located in material through hole, and each groove can carry the material in half of discharging through hole, and each groove is by going out The rotation of material wheel makes the material carried in it be flowed out from lower half discharging through hole；In implementation process, bottom discharging opening is flow to Material through upper half discharging through hole enter the groove of position in the inner in, then as material discharging wheel drive groove rotation, the groove by It is progressive enter lower half of discharging through hole in, into after lower half discharging through hole, slot opening gradually down so that the thing in it Material enters lower half discharging through hole, is then out.Due to the setting using several grooves, as the rotation of material discharging wheel can be achieved to connect Continuous discharging.

Classification mechanism 5 of the present utility model includes the cavity 51 connected with the top discharging opening 33 and is arranged on the cavity Interior rotatable grading wheel 52, is exported after flowing into the grading wheel classification that the material in cavity passes through rotation from the top discharging opening Quality relatively light material；In the utility model, it is the lighter weight after preliminary classification to flow into the material in cavity Material.Specifically, the grading wheel 52 includes the hollow wheel body 53 that one end seals another end opening, and the wheel body perisporium is opened vertically Provided with several bar shaped material paths 54 connected with wheel intracoelomic cavity, one end can install the drive of motor or reducing gear described in grading wheel Moving axis, drive shaft drive grading wheel rotation, another end opening described in grading wheel be connected with charge tube 55, charge tube be provided with it is negative Pressure device, the negative pressure device makes the material path for the wheel body that the relatively light material of quality in cavity passes through rotation enter wheel body Inner chamber, is then exported from wheel intracoelomic cavity by expects pipe.

In implementation process, the material discharging wheel and grading wheel drive rotation by the 3rd motor 46 respectively, for the ease of control The 3rd reducing gear 47 also can be set in speed.The negative pressure device can be using air exhauster etc., and can be taken out by adjusting negative pressure device The size of suction changes the gas flow rate in suction cylinder, because gas with various flow velocity can blow of different quality from bottom to top Grain, therefore this mode can reach the preliminary graded product collected from cylinder top discharging opening and specify particle size.From the foregoing, it will be observed that Negative pressure device of the present utility model can will take turns external material through material path suction wheel intracoelomic cavity, and during wheel body rotation at material path In dynamic, into being relatively fixed for the position of the material of the lighter weight of cavity, with the increase of wheel body rotary speed, from punishment in advance The material that hole enters wheel intracoelomic cavity can tail off, and only some quality relatively light material can overcome the centrifugal force that wheel body rotates Into wheel intracoelomic cavity, and the relatively heavy material of another part quality can not then overcome centrifugal force and return in cylinder and participate in again Preliminary classification.Therefore, the lighter material of quality can be obtained by carrying out secondary grading by grading wheel, and by adjusting the rotation of grading wheel The suction force of rotary speed and negative pressure device accurately controls the product granularity of secondary grading.

Cylinder top of the present utility model is provided with the feed pipe 31 for entering the cylinder lumen for material, and material is not limited to ball milling Material afterwards, raw material can also；Cylinder bottom enters the air inlet pipe 32 of the cylinder lumen provided with supplied gas, and the negative pressure device makes Ambient atmos enter cylinder lumen from the air inlet pipe 32, into cylinder lumen gas by the material of the inner chamber lighter weight by Under be blown up to top discharging opening 33, the material of heavier mass flow to bottom discharging opening 34 from top to bottom.It is of the present utility model Air cleaner also can be set in air inlet pipe, it is ensured that the air in suction cylinder is more clean, it is to avoid the quality of influence material.By Gas is sucked from air inlet pipe using negative pressure device in the utility model, if the material of heavier mass is directly from bottom discharging opening stream Go out, then some possible gas enters cylinder lumen from bottom discharging opening in the presence of negative pressure device, is on the one hand unfavorable for Discharging, on the other hand influence sucks gas to the impulsive force of inner chamber material, causes energy consumption higher, classification is difficult；On solving Problem is stated, on the one hand the discharging mechanism that the utility model is set in discharging opening can be achieved continuous discharge, on the other hand can close out Material mouth, prevents gas from entering cylinder lumen from discharging opening.

In the utility model, the cylinder 3 includes two conical shells setting up and down, and conical shell is that upper end is straight up and down Footpath is big, lower end diameter is small, and the upper conical lower end inner chamber of cylinder 35 forms stepped hole 37, the step with the upper end inner chamber of inferior pyramidal cylinder 36 Hole upper end diameter is small, and lower end diameter is big.Because air inlet pipe is arranged on cylinder bottom, ambient atmos are by negative pressure device from air inlet pipe After suction, it can enter from bottom to top by stepped hole from large diameter hole in minor diameter, so that the similar spurting of gas Into upper conical cylinder lumen, so as to improve the flow velocity of gas；Simultaneously as the charging of material after ball milling from upper conical cylinder After pipe enters, it can converge in the approximate centerline of cylinder in flow process from top to bottom, and now small diameter bore just may be used The material of convergence is directed at, so that through the material that convergence is impacted in the gas tremendous range of small diameter bore, it is to avoid occur Stock grading blind area.

In the utility model, the upper conical cylinder is flexibly connected with inferior pyramidal cylinder；Movable connection method is such as：It is described Upper conical cylinder bottom perisporium is outward extended with extension board 38, and the extension board is used as the step surface of stepped hole, the inferior pyramidal cylinder Body top perisporium is installed with lug 39, and the extension board is flexibly connected with lug by bolt 310, bolt such as wing bolt etc., It is easy for removal and installation, and be flexibly connected mode be easy to above and below conical shell separation, maintain easily and clean cylinder.This reality The mode that bolt is flexibly connected is not limited to new, can be also flexibly connected using buckle etc..

In implementation process, conical shell top and the bottom up and down are extended with a truncated cylinder body 311, the design of cylinder Be conducive to being attached with miscellaneous part, the cylinder design on following conical shell top is conducive to setting lug and air inlet pipe etc.； And tangential direction of the air inlet pipe along inferior pyramidal cylinder top cylinder is arranged on the cylinder, so may be such that gas along cylinder Spiral inner wall rises, and impacts the material of convergence after lifting flow velocity through small diameter bore, material by impact it is scattered after, heavier mass Material overcomes the impulsive force of gas to be flowed out from bottom discharging opening, and the material of the lighter weight then edge in the presence of gas impulsive force The spiral inner wall of upper conical cylinder rises, and is finally flowed out at the top of cylinder；Because the upper end diameter of upper conical cylinder is big, lower end is straight Footpath is small, therefore the material of lighter weight can further disperse during spiral, now possible some quality again Heavier material overcomes gas impulsive force to be flowed out from bottom discharging opening again, the quality of the material so flowed out from top discharging opening It is lighter, so as to reach the purpose of further separation light matter material.

For another example, the cylinder design of inferior pyramidal cylinder bottom is conducive to discharging, and upper conical cylinder bottom cylinder design does not only have Profit discharging also helps connection extension board, and being designed with for upper conical cylinder top cylinder is entered beneficial to closure and feed pipe etc. Row connection；And tangential direction of the feed pipe along upper conical cylinder top cylinder is arranged on the cylinder, because material is in gas Along cylinder inboard wall spiral in the presence of body impulsive force, therefore the feed pipe of tangent line setting and the air inlet pipe of tangent line setting cause Material is fully contacted with gas, it is ensured that gas farthest impacts material, can further avoid the occurrence of stock grading blind area； In implementation process, both tangential directions are preferably reversed, and impact effect more preferably, forms helical vortex shape.

Collection device of the present utility model and secondary collection device include hollow cylinder body 71 and close with this tin body Seal to be provided with conveying pipeline 73, cover in the middle part of the cover 72 of connection, this tin body and be provided with negative pressure device 711 and high-voltage pulse dress 712 are put, negative pressure device can be using air-introduced machine etc., in the presence of negative pressure, and material enters in cylinder body from conveying pipeline；In cylinder body It is provided with filter 74；Material is filtered after conveying pipeline enters in cylinder body through filter in the presence of negative pressure device Secondary grading device is flowed into from collection device cylinder body bottom 70 afterwards, from the material of the outflow of secondary collection device cylinder body bottom 70 Collected as finished product；Filter of the present utility model filters the gaseous impurity in material, improves the quality of material；And adsorb Material on filter departs from the filter by the high-pressure pulse device, so as to be flowed out from bottom, it is to avoid filtering Material is stained with device so that collect more thorough, cylinder body interior can residual material.

The cylinder body 71 of the present utility model includes the column-shaped barrel 75 on top and the conical shell 76 of bottom, pillar buoy Body is convenient to install filter, and conical shell is convenient to be discharged, and the conveying pipeline 73 is arranged on column-shaped barrel and positioned at pillar buoy On the downside of body, material can be made to pass fully through filter filtering from bottom to top；The filter 74 includes and column-shaped barrel upper end The stomata connected with filter core inner chamber is offered on the cover plate 77 being tightly connected and the hollow filter core 78 being arranged on the downside of cover plate, cover plate 79, the gaseous impurity in material, from blowhole is entered, is then extracted out, so as to realize the filtering of material through filter core from stomata；The lid Receiving space 710 is provided between plate and cover, the stomata is connected with receiving space, and the negative pressure device is arranged on cover, This set can avoid negative pressure device from being mounted directly on the cover board, be conducive to the layout of filter core, specifically, and the filter core is number Individual, each filter core is fixedly connected with cover plate, and the inner chamber of each filter core is communicated by stomata with receiving space, and then gas is calm Receive extraction in space；And multiple filter cores are conducive to maintenance, repair and replacing.Cylinder body bottom of the present utility model is also associated with out Expect device, continuous discharge on the one hand can be achieved, on the other hand good subnormal ambient can be provided.

High-pressure pulse device 712 of the present utility model includes being arranged on the several pulses that can be connected with high-pressure air source on cover Valve 713, each pulse valve is connected with stretching into the nozzle 714 of filter core inner chamber from the stomata.In implementation process, pass through pulse valve Can be intermittently to nozzle conveying high-pressure gas, and gases at high pressure can impact absorption from inside to outside by nozzle from filter core inner chamber and exist Material on filter core, so that material departs from filter core.Due to carrying out interval impact using pulse valve, the influence to negative pressure device is non- It is often small.

Above-mentioned embodiment is only for illustration of the utility model, and is not the relevant skill to limitation of the present utility model The those of ordinary skill in art field, can be so that various changes can be made in the case where not departing from the utility model spirit and scope And modification, therefore all equivalent technical schemes should also belong to category of the present utility model.

Claims (17)

1. a kind of intelligent dry type milling system, including frame and the ball mill being arranged in frame, it is characterised in that：The ball The material fed intake in groove is sent into ball mill and ground by grinding machine by feed device, and the material after grinding is delivered to grading plant and entered Row classification, the material of lighter weight is delivered to collection device collection after classification, and the material of heavier mass is delivered to described after classification Ball mill is regrind.

2. intelligent dry type milling system according to claim 1, it is characterised in that：The material that the collection device is collected is defeated The material for delivering to lighter weight after secondary grading device progress secondary grading, secondary grading is delivered to secondary collection device collection, The material of heavier mass is delivered to the ball mill regrinding after secondary grading.

3. intelligent dry type milling system according to claim 2, it is characterised in that：The material of heavier mass and two after classification The material of heavier mass enters a transfer feed bin after secondary classification, then enters the groove that feeds intake by transfer feed bin, then passes through throwing Hopper inputs the ball mill.

4. intelligent dry type milling system according to claim 3, it is characterised in that：The groove that feeds intake includes being arranged on frame On hopper, be provided with translation rotating device in the frame, the translation rotating device drives the hopper to translate and rotate.

5. intelligent dry type milling system according to claim 4, it is characterised in that：The translation rotating device is included laterally The slide rail for setting and being hinged with frame side and the sliding block that can be slided along the slide rail, the sliding block are fixedly mounted on hopper.

6. intelligent dry type milling system according to claim 3, it is characterised in that：The feed device includes throwing with described The tapping channel of hopper outlet, is provided with spring, the spring is driven by motor in the tapping channel along its direction that discharges Rotate and can drive the material fed intake in groove and flow into the ball mill along the tapping channel.

7. intelligent dry type milling system according to claim 6, it is characterised in that：Thrown in the middle part of the tapping channel with described Hopper outlet is communicated, tapping channel one end discharging, and the spring inserts discharging from the tapping channel other end through the outlet One end described in passage.

8. intelligent dry type milling system according to claim 3, it is characterised in that：The ball mill includes interior provided with grinding The hollow grinding drum of medium, the grinding drum one end offers the charging aperture with feed device outlet, and the other end is connected with band Hollow 3rd rotating shaft of dynamic abrasive media motion, the 3rd rotating shaft inner chamber is connected with grinding barrel cavity；Material is from the charging aperture Grinding barrel cavity is delivered to, then after the abrasive media grinding through motion, the material of lighter weight is under suction function from rotation The 3rd rotating shaft inner chamber be delivered to the grading plant.

9. intelligent dry type milling system according to claim 8, it is characterised in that：3rd rotating shaft drives grinding drum rotation Turn, grinding drum drives abrasive media motion.

10. intelligent dry type milling system according to claim 8, it is characterised in that：Rotor is provided with the grinding drum, The rotor drives rotation, the abrasive media using abrasive disk and/or classification rotating wheel, the rotor by the 3rd rotating shaft 64 Driven and moved by the rotor.

11. intelligent dry type milling system according to claim 3, it is characterised in that：The grading plant and secondary grading Device includes hollow cylinder, and the material into cylinder lumen is in the presence of negative pressure, and the material of heavier mass flow to cylinder bottom Material mouth is brought out, the material of lighter weight flow to cylinder top discharging opening, and the bottom discharging opening is connected with discharging mechanism, flow to institute The material for stating bottom discharging opening enters the transfer feed bin after the discharging mechanism, and the top discharging opening is connected with grader Structure, flow to after the material of the top discharging opening is classified through classification mechanism and exports quality relatively light material.

12. the intelligent dry type milling system according to claim 11, it is characterised in that：The discharging mechanism include with it is described Pedestal and be arranged on rotatable material discharging wheel in the pedestal that bottom discharging opening is tightly connected, seat is flowed into from the bottom discharging opening Internal material drives outflow by material discharging wheel rotation.

13. the intelligent dry type milling system according to claim 12, it is characterised in that：Offered on the pedestal with it is described Bottom discharging opening connection goes out material through hole, offered on the pedestal from it is described go out material through hole axial direction in the middle part of the mounting hole that passes through, The material discharging wheel, which coordinates, to be arranged in the mounting hole；Several grooves are arranged at intervals with along its perisporium on the material discharging wheel wheel, it is each Individual groove can carry the material in half of discharging through hole, the material that each groove makes to carry in it by the rotation of material discharging wheel From lower half discharging through hole outflow.

14. the intelligent dry type milling system according to claim 11 or 12 or 13, it is characterised in that：The classification mechanism bag Include the cavity connected with the top discharging opening and be arranged on rotatable grading wheel in the cavity, from the top discharging opening stream Enter material in cavity and pass through the relatively light material of output quality after the grading wheel classification of rotation.

15. intelligent dry type milling system according to claim 3, it is characterised in that：The collection device and secondary collection Device includes being provided with conveying pipeline, cylinder in the middle part of hollow cylinder body and the cover being tightly connected with this tin body, this tin body Cover and be provided with negative pressure device and high-pressure pulse device, filter is provided with cylinder body；The thing in the presence of negative pressure device Material is after conveying pipeline enters in cylinder body, and from cylinder body bottom, outflow is collected after being filtered through filter, and absorption is in filtering Material on device departs from the filter by the high-pressure pulse device.

16. the intelligent dry type milling system according to claim 15, it is characterised in that：The cylinder body includes the post on top Shape cylinder and the conical shell of bottom, the filter are arranged in column-shaped barrel, and the conveying pipeline is arranged on column-shaped barrel Above and on the downside of column-shaped barrel；The filter includes the cover plate being tightly connected with column-shaped barrel upper end and is arranged on cover plate The gaseous impurity offered on the hollow filter core of downside, cover plate in the stomata connected with filter core inner chamber, material enters filter through filter core In-core chamber, is then extracted out from stomata.

17. the intelligent dry type milling system according to claim 16, it is characterised in that：The high-pressure pulse device includes peace The several pulse valves that can be connected on cover with high-pressure air source, each pulse valve and the spray that filter core inner chamber is stretched into from the stomata Mouth is connected.