CN105964376A - Device for manufacturing magnetic powder particles - Google Patents

Device for manufacturing magnetic powder particles Download PDF

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Publication number
CN105964376A
CN105964376A CN201610341541.XA CN201610341541A CN105964376A CN 105964376 A CN105964376 A CN 105964376A CN 201610341541 A CN201610341541 A CN 201610341541A CN 105964376 A CN105964376 A CN 105964376A
Authority
CN
China
Prior art keywords
pulverizing chamber
magnetic powder
winnower
crude drugs
selecting crude
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610341541.XA
Other languages
Chinese (zh)
Inventor
李军
杨平达
钱定权
王稳明
于鑫鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Pulong Magnetic Electricity Co Ltd
Original Assignee
Jiangsu Pulong Magnetic Electricity Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Pulong Magnetic Electricity Co Ltd filed Critical Jiangsu Pulong Magnetic Electricity Co Ltd
Priority to CN201610341541.XA priority Critical patent/CN105964376A/en
Publication of CN105964376A publication Critical patent/CN105964376A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C13/00Disintegrating by mills having rotary beater elements ; Hammer mills
    • B02C13/14Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C21/00Disintegrating plant with or without drying of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/14Separating or sorting of material, associated with crushing or disintegrating with more than one separator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary 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
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • B02C23/30Passing gas through crushing or disintegrating zone the applied gas acting to effect material separation

Abstract

The invention provides a device for manufacturing magnetic powder particles. The device comprises an automatic feeder, at least one crushing mechanism and at least one separating and collecting mechanism, wherein the crushing mechanism is connected with the automatic feeder; the separating and collecting mechanism is connected with the crushing mechanism; the rear portion of the separating and collecting mechanism is also connected with a filtering and collecting mechanism; a dust collector is arranged at a tail gas output end of the filtering and collecting mechanism, wherein the crushing mechanism comprises a crushing chamber, a first motor which is positioned at the lower portion of the crushing chamber, and an air sorting chamber which is positioned at the upper portion of the crushing chamber; the crushing chamber communicates with the air sorting chamber; a feeding hole connected with the automatic feeder is formed in the upper portion of the crushing chamber; an air inlet is formed in the circumferential surface of the crushing chamber; a discharging hole is formed in the top of the air sorting chamber and is connected with the separating and collecting mechanism. The device for manufacturing the magnetic powder particles, provided by the invention, has the advantages of improving the uniformity of the magnetic powder particles, increasing the crushing force, also improving the crushing efficiency and preventing environmental pollution.

Description

A kind of preparation facilities of magnetic powder particle
Technical field
The present invention relates to magnetic powder particle preparation field, particularly relate to a kind of crush efficiency high, and the magnetic powder prepared The preparation facilities of the uniform a kind of magnetic powder particle of granule size.
Background technology
Magnetic powder particle degree size is uniform, is the premise obtaining good magnetic powder material, but practical situation is, acquisition Granule is normal distribution, i.e. D90, D50, D10, meets normal distribution curve.The powder of perfect condition, the most entirely Portion is D50, and size is uniform, but what this was difficulty with.The powder of preparation in prior art, the uniformity is bad, Cause magnetic uneven.
CN102110507A discloses the NdFeB magnetic powder of a kind of ultra-fine grain, by automatic feeder, grinding chamber, The part composition such as cyclone separator, filter, nitrogen compressor and cooling driers.By thick magnetic powder material by airflow milling Automatic feeder enter grinding chamber, grinding chamber exit be provided with selecting crude drugs with winnower wheel, the compressed nitrogen of dry oil free by The ejection at a high speed of side nozzle and bottom nozzle, high-speed jet drives material to be that fluid bed suspends to seethe and makees high-speed motion, And produce collision, rub and pulverize, therefore, the main pulverization in grinding chamber is the impact between granule Or friction.Magnetic powder in grinding chamber is fluidized state, and only particle size distribution reaches the fine powder of requirement and could pass through wind Choosing wheel enters cyclone separator, utilizes centrifugal force to be separated with gas by fine powder, due to gravity in cyclone separator Effect, fine powder sinks along cyclone separator sidewall, and gas is then entered filter by Cyclone outlet, Remaining super-fine magnetic powder is collected with efficient filter stick in filter.The lower end of cyclone separator connects sampler, can Carry out on-line period in process of production, utilize laser particle analyzer can the particle size distribution of sample be detected. Filter is provided above pulse valve, and each run carries out pulse backblowing to filter before terminating, and clears up filter stick. Technical scheme disclosed by the invention is only capable of the more uniform magnetic powder particle of prepared granule, arranges from filter meanwhile The gas removed is mingled with a large amount of dust, it is impossible to well collected, operating environment of pollution.
It addition, CN2403498Y discloses a kind of vertical winnowing beater self-grinding ultrafine crusher, include powder The feeder of broken machine, device for discharging, air-introduced machine and coupling, pulverizer is from top to bottom equipped with pneumatic separator, powder Broken mechanism and mair motor, disintegrating mechanism upper cover is a conical shell, and its top has through hole to communicate with pneumatic separator, Charging aperture is had on its sidewall;The housing of disintegrating mechanism is a bucket, has air inlet, disintegrating mechanism below its outer wall Housing in the feed back dish of central through hole, inner surface reeded pulverizing track and main shaft are installed from top to bottom Upper end is fastenedly connected and has pulverizing hammer and the flywheel of upper leeboard and air blast dish.It addition, the invention also discloses one Planting preferred version, separator centrage and pulverizer centrage are in the angle less than 90 °.Disclosed by the invention Technical scheme can not exclusive segment granule is bigger completely magnetic powder particle be discharged from pneumatic separator, simultaneously only by The shock pulverizing hammer and magnetic powder particle on flywheel, the shock between machine magnetic powder particle realizes pulverizing, and it pulverizes effect Rate is relatively low.
Summary of the invention
In order to overcome the problems referred to above, the invention provides the preparation facilities of a kind of magnetic powder particle, this device prepares Magnetic powder particle degree size is uniform, and crush efficiency is high, free from environmental pollution.
The preparation facilities of a kind of magnetic powder particle that the present invention provides, including automatic feeder, include at least one with Automatic feeder connects disintegrating mechanism, and at least one separation collection mechanism, it is characterised in that: separation collection Structure rear is also associated with least one set and mechanism is collected by filtration, and mechanism tail gas outfan is collected by filtration and is provided with cleaner unit, Disintegrating mechanism includes pulverizing chamber, is positioned at the first motor below pulverizing chamber and is positioned at the selecting crude drugs with winnower room above pulverizing chamber, Pulverizing chamber connects with selecting crude drugs with winnower room, and pulverizing chamber is arranged over the charging aperture being connected with automatic feeder, and around face is provided with Air inlet, air inlet connects pressure pan, and selecting crude drugs with winnower ceiling portion is discharging opening, and discharging opening is connected with separation collection mechanism.
Preferably, including multiple disintegrating mechanisms and multiple separation collection mechanism, and disintegrating mechanism and separation collection The number of structure is identical, and disintegrating mechanism is arranged alternately with separation collection mechanism and connects.
Preferably, including multiple disintegrating mechanisms and a separation collection mechanism, all disintegrating mechanisms are all parallel to point From collecting mechanism.
In some embodiments, pulverizing chamber side face is located at by air inlet, and includes at least one air inlet;First Motor connects main shaft, and main shaft stretches in pulverizing chamber from disintegrating mechanism lower central position, the first motor and pulverizer Structure is connected by bearing group, and the first motor is tightly connected with disintegrating mechanism.
Preferably, the main shaft side face of the first motor is distributed pulverizing hammer.
In some embodiments, spindle nose connects has grating disk, grating disk upper and lower surface to be equipped with pulverizing and hit Block.
In some embodiments, grating disk be arranged over annular feed back dish, annular feed back dish by connecting portion with Pulverizing chamber inwall connects, and annular feed back dish is connected for point with pulverizing chamber inwall.
Preferably, feed back dish upper surface is the longitudinal cross-section triangularity of reclinate cambered surface or feed back dish.
In some embodiments, pulverizing chamber and selecting crude drugs with winnower room are by channel connection, and passage is vertically arranged, and passes through ring Shape connecting plate is connected to pulverizing chamber inwall, and annular connecting plate inner circumferential forms line with passage periphery and is connected, and annular connects Plate periphery forms line with pulverizing chamber inwall and is connected, and channel connection is only passed through in pulverizing chamber and selecting crude drugs with winnower room;Annular connecting plate For taper, and its vertex of a cone is downward.
In some embodiments, selecting crude drugs with winnower is indoor at least provided with one group of selecting crude drugs with winnower wheel, and often group includes that two are oppositely arranged Selecting crude drugs with winnower wheel, selecting crude drugs with winnower wheel is by the second motor-driven rotation, and often the central axis of group selecting crude drugs with winnower wheel intersects at a point, And this point is positioned on the vertical central axis of pulverizing chamber.
Preferably, selecting crude drugs with winnower wheel is obliquely installed, and the central axis of selecting crude drugs with winnower wheel is formed with the vertical central axis of pulverizing chamber Angle, angle is an acute angle below, and this sharp angle scope is 45 °-75 °.
Preferably, discharging opening is positioned at selecting crude drugs with winnower ceiling end, and is positioned on the vertical central axis of pulverizing chamber, discharging opening Being coated with drainage screen, the pore size of drainage screen is 6 μm-8 μm.
Compared with prior art, the having the beneficial effects that of preparation facilities of a kind of magnetic powder particle that the present invention provides:
1, the preparation facilities of a kind of magnetic powder particle that the present invention provides, by using multiple disintegrating mechanisms and multiple Separation collection mechanism spaced series is arranged, and circulation is pulverized, and improves the uniformity of magnetic powder particle.
2, the preparation facilities of a kind of magnetic powder particle that the present invention provides, uses multiple disintegrating mechanism and a separation Collecting mechanism, improves crush efficiency.
3, the preparation facilities of a kind of magnetic powder particle that the present invention provides, the main shaft side face of the first motor is distributed powder Broken hammer, coordinates with the grating disk of the first motor end, improves pulverizing dynamics, improves crush efficiency simultaneously.
4, the preparation facilities of a kind of magnetic powder particle that the present invention provides, pulverizing chamber discharging opening is coated with drainage screen, The magnetic powder particle that granule is bigger is stoped to be discharged from discharging opening.
5, the preparation facilities of a kind of magnetic powder particle that the present invention provides, is collected by filtration mechanism's tail gas outfan and is provided with Cleaner unit, reduces dust and discharges, it is to avoid environmental pollution.
Accompanying drawing explanation
The structural representation of the preparation facilities of a kind of magnetic powder particle that Fig. 1 provides for the first embodiment of the present invention;
Fig. 2 be a kind of magnetic powder particle shown in Fig. 1 preparation facilities in the sectional view of disintegrating mechanism;
The structural representation of the preparation facilities of a kind of magnetic powder particle that Fig. 3 provides for the second embodiment of the present invention;
Disintegrating mechanism in the preparation facilities of a kind of magnetic powder particle that Fig. 4 provides for the third embodiment of the present invention Sectional view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that this place The specific embodiment described, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 to Fig. 4 show schematically show the preparation of a kind of magnetic powder particle according to three kinds of embodiments of the present invention Device.
Embodiment 1:
As depicted in figs. 1 and 2, the preparation facilities of a kind of magnetic powder particle that the present invention provides, including autofeed Machine 1, organize disintegrating mechanism more, multicomponent is collected by filtration mechanism 4 from collecting mechanism 3 and one group, as preferably, In this embodiment of the present invention, including two groups of disintegrating mechanisms 2 and two groups of separation collection mechanisms 3, such as Fig. 1 Shown in, automatic feeder 1 is connected with first group of disintegrating mechanism, and first group of disintegrating mechanism rear connects the first component From collecting mechanism 3, first group of separation collection mechanism 3 rear connects second group of disintegrating mechanism, second group of pulverizer Connection second component in structure rear is from collecting mechanism 3, and from collecting mechanism 3 rear, connection is collected by filtration machine to second component Structure 4.
As in figure 2 it is shown, disintegrating mechanism 2 can be an aidr bells blast system, an or wind as shown in Figure 4 Select machine, including pulverizing chamber 21 and be positioned at the selecting crude drugs with winnower room 22 above pulverizing chamber 21, pulverizing chamber 21 and selecting crude drugs with winnower room 22 Connection.
As in figure 2 it is shown, disintegrating mechanism 2 is supported by frame 20, fix with frame 20 bottom disintegrating mechanism 2 Connect, also include that one first motor 23, the first motor 23 are positioned at bottom disintegrating mechanism 2, the first motor 23 Connecting a main shaft 231 by shaft coupling 2320, main shaft 231 stretches into the powder of disintegrating mechanism 2 below frame 20 In broken room 21, and main shaft 231 is positioned at the center of disintegrating mechanism 2.As in figure 2 it is shown, bottom frame 20 Being provided with bearing block 201, be provided with two groups of bearing group 232 in bearing block 201, main shaft 231 is by two groups of bearings Group 232 is connected with gantry rotation, and main shaft 231 is connected with disintegrating mechanism 2 sealed bottom.As preferably, join Axial organ 2320 is externally provided with protection set 2321, and protection set 2321 one end are connected with frame 20, the other end and first Motor 23 connects, and protection set 2321 effectively tissue dust enters.
As in figure 2 it is shown, the pulverizing chamber 21 of disintegrating mechanism 2 is a hollow circular cylinder, and its side face be provided with into QI KOU 2102, as preferably, is provided with four air inlets 2102, and four air inlets 2102 are distributed in pulverizing chamber 21 side face lower ends, as it is further preferred that four air inlets 2102 are uniformly distributed.Pulverizing chamber 21 upper end Side face offers a charging aperture 2101, is passed through as in figure 2 it is shown, be provided with feeding-passage 0101 from air inlet 2101 Pulverizing chamber 21 center.
As in figure 2 it is shown, main shaft 231 side face is distributed pulverizing hammer 2311, pulverize hammer 2311 length, and Pulverizing hammer 2311 interval of different length is arranged.The end of main shaft 232 connects a grating disk 233, grating disk 233 is a disc, and its upper and lower surface is respectively connected with pulverizing collision block 2331, pulverizes collision block 2331 and uniformly divides Cloth, grating disk 233 is horizontally disposed with.
As preferably, as in figure 2 it is shown, be additionally provided with an annular feed back dish 24, annular feed back dish 24 is positioned at Above grating disk 233, be arrangeding in parallel with grating disk 233, annular feed back dish 24 is by bar shaped connecting portion 241 It is connected with pulverizing chamber 21 inwall point.As in figure 2 it is shown, annular feed back dish 24 upper surface is reclinate cambered surface, Lower surface is plane.As in figure 2 it is shown, feeding-passage 0101 is passed through feed back dish 24 center from charging aperture 2101 Position.
As in figure 2 it is shown, be provided with one group of selecting crude drugs with winnower wheel 221 in selecting crude drugs with winnower room 22, i.e. include two selecting crude drugs with winnower being oppositely arranged Wheel 221.As in figure 2 it is shown, as preferably, two selecting crude drugs with winnower wheels 221 are obliquely installed, two selecting crude drugs with winnower wheels 221 Central axis intersect, and intersection point is positioned on the vertical central axis of pulverizing chamber 21, two selecting crude drugs with winnower wheels 221 Central axis forms angle with the vertical central axis of pulverizing chamber 21, and angle is an acute angle below, and this is sharp Angle angle is 45 °.As in figure 2 it is shown, two selecting crude drugs with winnower wheels 221 are all by driving by the second motor 222 respectively Dynamic rotation, two the second motors 222 are connected to above selecting crude drugs with winnower room 22, are correspondingly arranged with selecting crude drugs with winnower wheel 221, the By belt 223 transmission between two motors 222 and selecting crude drugs with winnower wheel 221.Top, selecting crude drugs with winnower room 22 is provided with discharging opening 220, Discharging opening 220 is positioned at above selecting crude drugs with winnower wheel 221, and the center of discharging opening 220 is positioned at the vertical of pulverizing chamber 21 On central axis.As preferably, discharging opening 220 is coated with drainage screen 2201, the aperture of drainage screen 2201 Size is 6 μm.
As in figure 2 it is shown, as preferably, pulverizing chamber 21 is connected by passage 2122 with selecting crude drugs with winnower room 22, logical Road 2122 is vertically arranged, the central axis of passage 2122 and the vertical central axes of pulverizing chamber 21, leads to Road 2122 is connected to pulverizing chamber 21 inwall by annular connecting plate 2123, and annular connecting plate 2123 inner circumferential is with logical Periphery, road 2122 forms line and connects, and annular connecting plate 2123 periphery forms line with pulverizing chamber 21 inwall and is connected, Pulverizing chamber 21 is only connected by passage 2122 with disintegrating mechanism 22.As in figure 2 it is shown, as further preferably , annular connecting plate 2123 is taper, and its vertex of a cone is downward.
As depicted in figs. 1 and 2, automatic feeder 1 is passed through first group of disintegrating mechanism by feed pipe 101, Pressure pan 6 is passed through two groups of disintegrating mechanisms by air inlet pipeline 601, and first group of disintegrating mechanism is by the first discharge nozzle Road 701 is passed through first group of separation collection mechanism 3, then connects first group of separation receipts by the second discharging pipeline 702 Collecting mechanism 3 and second group of disintegrating mechanism, connect second group of disintegrating mechanism and second by the 3rd discharging pipeline 703 Group separation collection mechanism 3, connects second component by the 4th discharging pipeline 704 and from collecting mechanism 3 and filters receipts Collecting mechanism 4, is collected by filtration mechanism 4 tail gas outfan and connects a cleaner unit 5 and collect dust.
As preferably, in this embodiment of the present invention, separation collection mechanism 3 is cyclone separator.
Including collecting tank body 41 as it is shown in figure 1, mechanism 4 is collected by filtration, connecting in collecting tank body 41 has filtration Rod 42, filter stick 42 connects pulse valve 43, and pulse valve 43 is for carrying out pulse backblowing to filter stick 42, clearly Reason filter stick 42.
As depicted in figs. 1 and 2, thick magnetic powder material is entered first by automatic feeder 1 by feed pipe 101 Group disintegrating mechanism, the compressed nitrogen of dry oil free is sprayed at a high speed by air inlet pipeline 601 by pressure pan 6, from entering QI KOU 2101 sprays into first group of group disintegrating mechanism and second group of group disintegrating mechanism, and high velocity air band is used force magnetic powder thing Material suspension is seethed and is made high-speed motion, and produces mutually collision, friction, and meanwhile, the first motor 23 determines main shaft 231 and grating disk 233 rotate, on main shaft 231 pulverize hammer 2311 and grating disk 233 on pulverizing collision block 2331 with the thick magnetic powder material impacting seethed, pulverize.Magnetic powder in pulverizing chamber 21 is fluidized state, only The fine powder having particle size distribution to reach requirement could pass through selecting crude drugs with winnower wheel 221 and be lifted into selecting crude drugs with winnower room 22, and granularity is divided Cloth does not reaches the coarse powder of requirement and falls under self gravitation effect, falls into pulverizing hammer 2311 and powder along feed back dish 24 Proceed between broken dish 233 to pulverize, and can be from selecting crude drugs with winnower room 22 discharging opening 220 row less than the granule of 5 μm Go out to enter first group of separation collection mechanism 3.Utilize centrifugal force by fine powder in first group of separation collection mechanism 3 and Gas separates, and due to action of gravity, fine powder sinks along first group of separation collection mechanism 3 sidewall, and separation efficiency can Reaching 99%, gas is then exported second group of disintegrating mechanism of entrance by first group of separation collection mechanism 3 and carries out powder Broken, equally, reach after pulverizing requirement magnetic powder particle enter second component from collecting mechanism 3, from second point Export expellant gas entrance from collecting mechanism 3 and mechanism 4 is collected by filtration, used in mechanism 4 is collected by filtration Filter stick 42 collects the magnetic powder particle reaching requirement of remaining about 1%.
Embodiment 2:
As it is shown on figure 3, the preparation facilities of a kind of magnetic powder particle of the second embodiment of the present invention offer and enforcement In example 1 essentially identical, its difference is, including two groups of disintegrating mechanisms and one group of separation collection mechanism 3, As it is shown on figure 3, automatic feeder 1 each leads into two groups of disintegrating mechanisms by two feed pipes 101, two groups Disintegrating mechanism is all connected to separation collection mechanism 3, and i.e. two groups disintegrating mechanisms are in parallel with separation collection mechanism 3, point It is connected with mechanism 4 is collected by filtration from collecting mechanism 3.It addition, in this embodiment of the present invention, pulverizer The pore size of the drainage screen 2201 that structure 2 discharging opening 220 covers is 7 μm, and in this enforcement of the present invention In mode, the central axis of two selecting crude drugs with winnower wheels 221 forms angle with the vertical central axis of pulverizing chamber 21, and Angle angle is 60 ° below.
Embodiment 3:
Such as Fig. 4, the preparation facilities of a kind of magnetic powder particle that the third embodiment of the present invention provides and embodiment 1 In essentially identical, its difference is the structure of disintegrating mechanism 2.
As shown in Figure 4, the pulverizing chamber 21 of disintegrating mechanism 2 is to be provided with bottom a hollow circular cylinder, and its side face One air inlet 2102.Pulverizing chamber 21 upper end side face offers a charging aperture 2101, as shown in Figure 4, be provided with into Material passage 0101 is passed through pulverizing chamber 21 center from air inlet 2101.
As shown in Figure 4, main shaft 231 side face is distributed pulverizing hammer 2311, pulverizes hammer 2311 length, and Pulverizing hammer 2311 interval of different length is arranged.The end of main shaft 232 connects a grating disk 233, grating disk 233 is a disc, and its upper and lower surface is respectively connected with pulverizing collision block 2331, pulverizes collision block 2331 and uniformly divides Cloth, grating disk 233 is horizontally disposed with.
As preferably, as shown in Figure 4, being additionally provided with an annular feed back dish 24, annular feed back dish 24 is positioned at Above grating disk 233, be arrangeding in parallel with grating disk 233, annular feed back dish 24 is by bar shaped connecting portion 241 It is connected with pulverizing chamber 21 inwall point.As shown in Figure 4, the longitudinal cross-section triangularity of annular feed back dish 24, and Annular feed back dish 24 lower surface be plane, as it is further preferred that annular feed back dish 24 longitudinal cross-section For isosceles triangle., it is possible to for scalene triangle, and relative the shortest of pulverizing chamber 21 inwall certainly. With as shown in Figure 4, feeding-passage 0101 is passed through feed back dish 24 center from charging aperture 2101.
As shown in Figure 4, in selecting crude drugs with winnower room 22, it is provided with two groups of selecting crude drugs with winnower wheel 221, i.e. includes that two groups are two and are oppositely arranged Selecting crude drugs with winnower wheel 221, four selecting crude drugs with winnower wheel 221 is uniformly distributed.As shown in Figure 4, as preferably, four selecting crude drugs with winnower Wheel 221 is obliquely installed, and the central axis of four selecting crude drugs with winnower wheels 221 intersects, and intersection point is positioned at the perpendicular of pulverizing chamber 21 On straight central axis, the central axis of four selecting crude drugs with winnower wheels 221 forms folder with the vertical central axis of pulverizing chamber 21 Angle, and angle is an acute angle below, this sharp angle is 75 °.As shown in Figure 4, four selecting crude drugs with winnower wheels 221 All by driving rotation by the second motor 222 respectively, four the second motors 222 are connected on selecting crude drugs with winnower room 22 Side, is correspondingly arranged with selecting crude drugs with winnower wheel 221, by belt 223 transmission between the second motor 222 and selecting crude drugs with winnower wheel 221. Top, selecting crude drugs with winnower room 22 is provided with discharging opening 220, and discharging opening 220 is positioned at above selecting crude drugs with winnower wheel 221, discharging opening 220 Center be positioned on the vertical central axis of pulverizing chamber 21.As preferably, discharging opening 220 is coated with Drainage screen 2201, the pore size of drainage screen 2201 is 8 μm.
As shown in Figure 4, as preferably, pulverizing chamber 21 is connected by passage 2122 with selecting crude drugs with winnower room 22, logical Road 2122 is vertically arranged, the central axis of passage 2122 and the vertical central axes of pulverizing chamber 21, leads to Road 2122 is connected to pulverizing chamber 21 inwall by annular connecting plate 2123, and annular connecting plate 2123 inner circumferential is with logical Periphery, road 2122 forms line and connects, and annular connecting plate 2123 periphery forms line with pulverizing chamber 21 inwall and is connected, Pulverizing chamber 21 is only connected by passage 2122 with disintegrating mechanism 22.As shown in Figure 4, as further preferably , annular connecting plate 2123 is taper, and its vertex of a cone is downward.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention is also Be not limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for various its He combines, revises and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or relevant Technology or the knowledge in field are modified.And the change that those skilled in the art are carried out and change are without departing from the present invention's Spirit and scope, the most all should be in the protection domain of claims of the present invention.

Claims (10)

1. a preparation facilities for magnetic powder particle, including automatic feeder (1), includes that at least one is with automatic Batcher (1) connects disintegrating mechanism (2), and at least one described separation collection mechanism (3), and its feature exists In: described separation collection mechanism (3) rear is also associated with least one set and mechanism (4), described mistake is collected by filtration Filter collecting mechanism (4) tail gas outfan be provided with cleaner unit (5), described disintegrating mechanism (2) include pulverizing chamber (21), It is positioned at first motor (23) of described pulverizing chamber (21) lower section and is positioned at the wind of described pulverizing chamber (21) top Selecting room (22), described pulverizing chamber (21) connects with described selecting crude drugs with winnower room (22), in described pulverizing chamber (21) Side is provided with the charging aperture (2101) being connected with described automatic feeder (1), and side face is provided with air inlet (2102), Air inlet (2102) connects pressure pan (6), and described selecting crude drugs with winnower room (22) top is discharging opening (220), described Discharging opening (220) is connected with described separation collection mechanism (3).
The preparation facilities of a kind of magnetic powder particle the most according to claim 1, it is characterised in that described in enter QI KOU (2102) is located at described pulverizing chamber (21) side face, and includes at least one described air inlet (2102); Described first motor (23) connects main shaft (231), and main shaft (231) is from described disintegrating mechanism (2) lower section Heart position is stretched in described pulverizing chamber (21), and described first motor (23) is led to described disintegrating mechanism (2) Crossing bearing group (232) to connect, described first motor (23) is tightly connected with described disintegrating mechanism (2).
The preparation facilities of a kind of magnetic powder particle the most according to claim 2, it is characterised in that described master Axle (231) side face is distributed pulverizing hammer (2311).
4. according to the preparation facilities of a kind of magnetic powder particle described in Claims 2 or 3, it is characterised in that institute Stating the connection of main shaft (231) end has grating disk (233), described grating disk (233) upper and lower surface to be equipped with powder Broken collision block (2331) broken collision block.
The preparation facilities of a kind of magnetic powder particle the most according to claim 4, it is characterised in that described powder Broken dish (233) is arranged over annular feed back dish (24), and described annular feed back dish (24) is by connecting portion (241) It is connected with described pulverizing chamber (21) inwall, described annular feed back dish (24) and described pulverizing chamber (21) inwall Connect for.
The preparation facilities of a kind of magnetic powder particle the most according to claim 5, it is characterised in that described ring Shape feed back dish (24) upper surface is that the longitudinal cross-section of reclinate cambered surface or described annular feed back dish (24) becomes Triangle.
7. according to the preparation facilities of a kind of magnetic powder particle described in claim 5 or 6, it is characterised in that institute State pulverizing chamber (21) to be connected by passage (2122) with described selecting crude drugs with winnower room (22), described passage (2122) Being vertically arranged, be connected to described pulverizing chamber (21) inwall by annular connecting plate (2123), described annular is even Fishplate bar (2123) inner circumferential forms line with described passage (2122) periphery and is connected, described annular connecting plate (2123) Periphery forms line with described pulverizing chamber (21) inwall and is connected, described pulverizing chamber (21) and described selecting crude drugs with winnower room (22) Only connected by passage (2122);Described annular connecting plate (2123) is taper, and its vertex of a cone is downward.
The preparation facilities of a kind of magnetic powder particle the most according to claim 1, it is characterised in that described wind Taking turns (221) at least provided with one group of selecting crude drugs with winnower in selecting room (22), often group includes two described selecting crude drugs with winnower wheels being oppositely arranged (221), described selecting crude drugs with winnower wheel (221) is driven by the second motor (222) and rotates, and often organizes described selecting crude drugs with winnower wheel (221) Central axis intersect at a point, and this point is positioned on the vertical central axis of described pulverizing chamber (21).
The preparation facilities of a kind of magnetic powder particle the most according to claim 8, it is characterised in that described wind Choosing wheel (221) is obliquely installed, and the central axis of described selecting crude drugs with winnower wheel (221) is perpendicular with described pulverizing chamber (21) Direct attack mandrel line forms angle, and angle is an acute angle below, and this sharp angle scope is 45 °-75 °.
The preparation facilities of a kind of magnetic powder particle the most according to claim 8 or claim 9, it is characterised in that institute State discharging opening (220) and be positioned at described selecting crude drugs with winnower room (22) top, and be positioned at the vertical of described pulverizing chamber (21) On central axis, described discharging opening (220) is coated with drainage screen (2201), described drainage screen (2201) Pore size is 6 μm-8 μm.
CN201610341541.XA 2016-05-20 2016-05-20 Device for manufacturing magnetic powder particles Pending CN105964376A (en)

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Application publication date: 20160928