CN116213037A - Metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption - Google Patents
Metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption Download PDFInfo
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- CN116213037A CN116213037A CN202310136180.5A CN202310136180A CN116213037A CN 116213037 A CN116213037 A CN 116213037A CN 202310136180 A CN202310136180 A CN 202310136180A CN 116213037 A CN116213037 A CN 116213037A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 239000002131 composite material Substances 0.000 title claims abstract description 71
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 63
- 239000002184 metal Substances 0.000 title claims abstract description 59
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 59
- 239000011358 absorbing material Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 188
- 239000000843 powder Substances 0.000 claims abstract description 91
- 238000000227 grinding Methods 0.000 claims abstract description 61
- 238000003825 pressing Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 46
- 229910001172 neodymium magnet Inorganic materials 0.000 claims abstract description 41
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000009499 grossing Methods 0.000 claims abstract description 19
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000000498 ball milling Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 4
- 238000006356 dehydrogenation reaction Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 10
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- JZQOJFLIJNRDHK-CMDGGOBGSA-N alpha-irone Chemical compound CC1CC=C(C)C(\C=C\C(C)=O)C1(C)C JZQOJFLIJNRDHK-CMDGGOBGSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/006—Ring or disc drive gear arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/002—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/008—Roller drive arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention relates to the technical field of application of a preparation device of a metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption, in particular to a preparation device of a metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption, which comprises a pushing mechanism, a dumping mechanism, a blocking mechanism, a charging mechanism, a smoothing mechanism, a lifting mechanism and a grinding mechanism, wherein the pushing mechanism and the dumping mechanism are used for adjusting the left and right positions of a pressing wheel and the inclination angle of powder in a trough, so that the pressing wheel is beneficial to grinding NdFeB coarse permanent magnet material powder in the trough more thoroughly, the prepared powder is more careful, the better contact of the powder with air is facilitated, further, the metal iron-based composite wave-absorbing material with alpha-iron dispersed in Fe2O3, R2O3 and a small amount of boride is conveniently obtained, the powder in the trough is stirred and dispersed left and right through an arc plate, the contact of the ground powder with air is more comprehensive, the oxidation rate of the powder is facilitated, and the preparation efficiency of the metal iron-based composite wave-absorbing material is further facilitated to be improved.
Description
Technical Field
The invention relates to the technical field of application of a metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption, in particular to a metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption.
Background
Along with the rapid development of communication technology, the transmission speed of electromagnetic waves is faster and the frequency is higher, but the electromagnetic radiation easily affects the normal motion of electronic equipment and has great harm to the environment and human body, so in order to reduce the interference of electromagnetic waves on the operation of the electronic equipment, a metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption needs to be prepared by using a metal iron-based composite wave-absorbing material preparation device.
The existing metal iron-based composite wave-absorbing material preparation device for the strong electromagnetic wave absorption still has the defect of great defects when in use, the material loss is great when the existing metal iron-based composite wave-absorbing material preparation device is used for preparing the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption, the cost is high, the existing metal iron-based composite wave-absorbing material preparation device is insufficient in grinding raw materials when preparing the metal iron-based composite wave-absorbing material, the grinding powder is oxidized slowly, the preparation efficiency of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption is low, the quality of the prepared metal iron-based composite wave-absorbing material is poor, the wave-absorbing performance of the prepared metal iron-based composite wave-absorbing material is low, and the use of the metal iron-based composite wave-absorbing material is not facilitated.
Disclosure of Invention
The invention aims to solve the problems that the material loss is large and the cost is high when the traditional metal iron-based composite wave-absorbing material preparation device is used for preparing the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption; when the existing preparation device for the metal iron-based composite wave-absorbing material is used for preparing the metal iron-based composite wave-absorbing material, raw materials are insufficiently ground, so that grinding powder is oxidized slowly, further, the preparation efficiency of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption is lower, the quality of the prepared metal iron-based composite wave-absorbing material is poor, the wave-absorbing performance of the prepared metal iron-based composite wave-absorbing material is lower, and the use of the metal iron-based composite wave-absorbing material is not facilitated; the existing metal iron-based composite wave-absorbing material preparation device is easy to cause the problem of environmental pollution when preparing the metal iron-based composite wave-absorbing material, and provides the metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a metal iron-based composite wave absorbing material preparation facilities that electromagnetic wave absorbs strongly, includes pushing away mechanism, emptys the mechanism, seals fender mechanism, charging mechanism, smoothing mechanism, take off and land mechanism and grinding mechanism, pushing away mechanism top and being provided with first slide, it sets up the top at first slide to empty the mechanism bottom, it is provided with first backup pad to empty the mechanism top, charging mechanism sets up the top at first backup pad, charging mechanism both sides all are provided with the curb plate, it sets up the top one side at one of them curb plate to seal fender mechanism, smoothing mechanism sets up the top one side at take off and land mechanism, smoothing mechanism bottom both sides all are provided with the second backup pad, smoothing mechanism one side is provided with the second slide, take off and land mechanism sets up one side at the second slide, take off and land mechanism one side is provided with the lifter plate, grinding mechanism sets up one side in the bottom of lifter plate, the grinding mechanism bottom is provided with the pinch roller.
Preferably, the pushing mechanism bottom is provided with the chassis, chassis top middle part has the carriage through spiro union coupling, two second backup pads set up respectively in the both sides of carriage, carriage one end mid-mounting has first motor, first motor one end has first lead screw through pivot swing joint, first slide is cuboid structure, the middle part welding of first slide bottom has first slider, first screw with first lead screw looks adaptation is seted up at first slider middle part, first lead screw is connected with first slider through first screw, carriage top both sides all weld the slide rail, two slide rail tops all cooperate and are connected with the second slider, two second sliders all weld the bottom at first slide.
Preferably, one side of the bottom of the dumping mechanism is provided with a baffle, one side of the baffle is provided with a vertical plate, the baffle and the vertical plate are all welded at the top of the first sliding plate, one side of the baffle is provided with a second motor, one end of the second motor is movably connected with a first gear through a rotating shaft, the top of the first gear is meshed with a second gear, the middle part of the second gear is connected with the baffle through the rotating shaft, one side of the second gear is connected with a rotating plate, the middle part of one side of the rotating plate is connected with the middle part of the top of the vertical plate through a bearing, and the first supporting plate is welded at the top of the rotating plate.
Preferably, the bottom of one side of the blocking mechanism is provided with a support column, the bottom of the support column is connected with the top of one side plate of one side of the charging mechanism through a bolt, a top plate is welded on the top of the support column, one end of the top plate is connected with a first hydraulic cylinder through a bolt, the bottom of the first hydraulic cylinder is connected with a first hydraulic rod in a matched mode, and a connecting plate is welded on the bottom of the first hydraulic rod.
Preferably, the middle part of the connecting plate is transversely connected with a second hydraulic cylinder through a bolt, one end of the second hydraulic cylinder is connected with a second hydraulic rod in a matched mode, one end of the second hydraulic rod is connected with an arc plate through a bolt, the arc plate is of an arc-shaped structure, and the arc plate is arranged right above the charging mechanism.
Preferably, the charging mechanism bottom is provided with the supporting groove, and there is the silo at the supporting groove middle part through bolted connection, and the silo cross-section is arc structure, and silo one side bottom is provided with the filter screen, and the lateral wall of arc board closely laminates with the lateral wall of silo.
Preferably, the top welding of two second backup pads has the diaphragm, and the spout has been seted up to both sides about one side of diaphragm, and diaphragm top one end is connected with the third pneumatic cylinder through the bolt, and third pneumatic cylinder one end is connected with the third hydraulic stem, and third hydraulic stem one end is connected with the second slide through the bolt, and second slide one side bottom is provided with two third sliders, and the third slider is "T" font structure, and two third sliders are connected with two spouts respectively.
Preferably, take-off and landing mechanism one side is provided with first fender frame, first fender frame is "U" shape structure, first fender frame top is installed the third motor, third motor bottom has the second lead screw through pivot swing joint, lifter plate one side welding has the fourth slider, the notch has been seted up to lifter plate one side, the notch middle part is provided with the sunshade, the sunshade welds with first fender frame, the second screw with second lead screw looks adaptation is seted up at the fourth slider middle part, the second lead screw passes through the second screw and is connected with the fourth slider, the lug has all been welded at fourth slider both sides middle part, all set up on the inside wall of first fender frame both sides with the slide of lug looks adaptation.
Preferably, the grinding mechanism top is provided with the third backup pad, and the third backup pad passes through the bolt to be connected with the lifter plate bottom, and the lifter plate bottom is through bolted connection to have the second to keep off the frame, and the second keeps off the frame and is the structure of falling "U", and the fourth motor is installed to second fender frame one side, and fourth motor one end has the pinch roller through pivot swing joint, and the pinch roller setting is in the second keeps off the frame middle part.
The application method of the metal iron-based composite wave-absorbing material preparation device with strong electromagnetic wave absorption specifically comprises the following steps:
step one: the first hydraulic cylinder on the blocking mechanism drives the first hydraulic rod to move, the first hydraulic rod drives the connecting plate to move up and down, the height of the arc plate is adjusted, the bottom of the arc plate is attached to the inner side wall of the trough, the second hydraulic cylinder drives the second hydraulic rod to move left and right, the second hydraulic rod drives the arc plate to move left and right, the arc plate covers the filter screen, the alcohol solution is poured into the trough on the charging mechanism, the NdFeB coarse permanent magnetic material powder after dehydrogenation treatment is put into the trough on the charging mechanism, the fourth motor on the grinding mechanism is started, the fourth motor drives the pressing wheel in the middle of the second blocking frame to rotate, and the pressing wheel grinds the NdFeB coarse permanent magnetic material powder in the trough;
step two: the first motor on the pushing mechanism is started to drive the first screw rod to rotate, the first screw rod drives the first sliding plate at the top of the first sliding block to move left and right, the pressing wheel on the grinding mechanism carries out ball milling treatment on the NdFeB coarse permanent magnet material powder at the left and right positions in the trough, the second motor on the dumping mechanism is started to drive the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the rotating plate to rotate, the rotating plate drives the trough on the charging mechanism to overturn, the NdFeB coarse permanent magnet material powder in the trough is enabled to roll, the NdFeB coarse permanent magnet material powder in the trough moves to the bottom of the pressing wheel on the grinding mechanism, and the pressing wheel grinds the NdFeB coarse permanent magnet material powder in the trough more thoroughly;
step three: the third hydraulic cylinder on the smoothing mechanism drives the third hydraulic rod to move left and right, the third hydraulic rod drives the second sliding plate to move back and forth, the front and back positions of the grinding mechanism at the bottom of the lifting mechanism are adjusted, the pressing wheel grinds NdFeB coarse permanent magnet material powder at the front and back positions in the trough, the third motor on the lifting mechanism is started in a matched mode, the third motor drives the second screw rod to move up and down, the second screw rod drives the lifting plate at one side of the fourth sliding block to move up and down, the height of the pressing wheel is adjusted, the pressing wheel performs ball milling on NdFeB coarse permanent magnet material powder at different depths in the trough, meanwhile, the grinding mechanism, the dumping mechanism and the blocking mechanism are matched with each other to perform overturning operation on the powder in the trough, adhesion between the powder and the bottom of the trough is avoided, redundant alcohol in the trough is discharged through the filter screen, the powder is enabled to be fully contacted with air, the iron-based composite wave absorbing material in which alpha-iron is dispersed and distributed in Fe2O3 and R2O3 and a small amount of boride is obtained.
Compared with the prior art, the invention has the following effects:
1. the first motor drives the first screw rod to rotate, the left and right positions of the charging mechanism are adjusted, the trough is moved to the bottom of the pressing wheel, the pressing wheel on the grinding mechanism carries out ball milling treatment on NdFeB coarse permanent magnet material powder at the left and right positions in the trough, the second motor drives the first gear to rotate, the first gear drives the second gear to rotate, ndFeB coarse permanent magnet material powder in the trough is enabled to roll, the NdFeB coarse permanent magnet material powder in the trough moves to the bottom of the pressing wheel on the grinding mechanism, the left and right positions of the pressing wheel and the inclination angle of the powder in the trough are adjusted through the pushing mechanism and the dumping mechanism, the pressing wheel is better in contact with the powder, the grinding of the NdFeB coarse permanent magnet material powder in the trough is more thorough, the prepared powder is better in contact with air, the alpha-iron is conveniently obtained to be dispersed in Fe2O3, R2O3 and a small amount of metal iron-based composite wave absorbing material in boride, the rolling speed of the iron-based composite wave absorbing material in the trough is further improved through the cooperation between the pushing mechanism and the dumping mechanism, and the air carrier is more completely in contact with the grinding of the powder, and the grinding efficiency of the powder is further improved.
2. The third hydraulic cylinder on the smoothing mechanism drives the third hydraulic rod to move left and right, the third hydraulic rod drives the second sliding plate to move back and forth, the front and back positions of the grinding mechanism at the bottom of the lifting mechanism are adjusted, the pressing wheel grinds NdFeB coarse permanent magnet material powder at the front and back positions in the trough, the third motor on the lifting mechanism is started in a matched mode, the third motor drives the second screw rod to move up and down, the second screw rod drives the lifting plate at one side of the fourth sliding block to move up and down, the height of the pressing wheel is adjusted, the pressing wheel performs ball milling on NdFeB coarse permanent magnet material powder at different depths in the trough, meanwhile, the arc plate performs overturning operation on the powder in the trough through the mutual cooperation among the grinding mechanism, the dumping mechanism and the blocking mechanism, the powder is prevented from adhering to the bottom of the trough, the powder ground in the trough is more thoroughly oxidized, the quality of the metal iron-based wave absorbing composite prepared by the preparation device is guaranteed, the quality of the metal iron-based wave absorbing composite prepared by the preparation device is better, and the use of the metal iron-based wave absorbing composite is facilitated.
3. The first hydraulic cylinder on the blocking mechanism drives the first hydraulic rod to move, the first hydraulic rod drives the connecting plate to move up and down, the height of the arc plate is adjusted, the bottom of the arc plate is attached to the inner side wall of the trough, the second hydraulic cylinder drives the second hydraulic rod to move left and right, the second hydraulic rod drives the arc plate to move left and right, the arc plate shields the filter screen, the fourth motor on the grinding mechanism is started, the fourth motor drives the pinch roller in the middle of the second blocking frame to rotate, the pinch roller grinds NdFeB coarse permanent magnet material powder in the trough, the filter screen is shielded by the arc plate, the added alcohol in the trough is prevented from overflowing from one end of the filter screen, grinding operation of the NdFeB coarse permanent magnet material powder in the trough is facilitated, the ground powder is facilitated to be mixed with the alcohol, the situation that the NdFeB coarse permanent magnet material powder splashes when the pinch roller grinds is avoided, the NdFeB coarse permanent magnet material powder can be maximally prepared into a metal iron-based composite wave absorbing material, the waste of raw materials for preparing the metal iron-based composite wave absorbing material is avoided, and the situation that the NdFeB coarse permanent magnet material splashes in the air is polluted in the preparation process of preparing the metal iron-based composite wave absorbing material is avoided.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the pushing mechanism in the present invention.
Fig. 3 is a schematic structural view of a pouring mechanism in the present invention.
Fig. 4 is a schematic structural view of a blocking mechanism in the present invention.
Fig. 5 is a schematic structural view of the charging mechanism in the present invention.
Fig. 6 is a schematic structural view of a smoothing mechanism in the present invention.
FIG. 7 is a side view of the connection of the second slider to the third slider in the present invention.
Fig. 8 is a schematic structural view of the lifting mechanism in the present invention.
FIG. 9 is a top view of a fourth slider and bump connection according to the present invention.
Fig. 10 is a schematic view of the grinding mechanism of the present invention.
In the figure: 1. a pushing mechanism; 101. a chassis; 102. a support frame; 103. a first motor; 104. a first screw rod; 105. a first slider; 106. a slide rail; 107. a second slider; 108. a first slide plate; 2. a dumping mechanism; 201. a baffle; 202. a riser; 203. a second motor; 204. a first gear; 205. a second gear; 206. a rotating plate; 207. a first support plate; 3. a blocking mechanism; 301. a support column; 302. a top plate; 303. a first hydraulic cylinder; 304. a first hydraulic lever; 305. a connecting plate; 306. a second hydraulic cylinder; 307. a second hydraulic lever; 308. an arc plate; 4. a charging mechanism; 401. a support groove; 402. a side plate; 403. a trough; 404. a filter screen; 5. a smoothing mechanism; 501. a second support plate; 502. a cross plate; 503. a chute; 504. a third hydraulic cylinder; 505. a third hydraulic lever; 506. a second slide plate; 507. a third slider; 6. a lifting mechanism; 601. a first baffle frame; 602. a third motor; 603. a second screw rod; 604. a fourth slider; 605. a lifting plate; 606. a shutter; 607. a bump; 7. a grinding mechanism; 701. a third support plate; 702. a second baffle frame; 703. a fourth motor; 704. the pinch roller.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, a preparation device for a metal iron-based composite wave absorbing material with strong electromagnetic wave absorption comprises a pushing mechanism 1, a dumping mechanism 2, a blocking mechanism 3, a loading mechanism 4, a smoothing mechanism 5, a lifting mechanism 6 and a grinding mechanism 7, wherein a first sliding plate 108 is arranged at the top of the pushing mechanism 1, the bottom of the dumping mechanism 2 is arranged at the top of the first sliding plate 108, a first supporting plate 207 is arranged at the top of the dumping mechanism 2, the loading mechanism 4 is arranged at the top of the first supporting plate 207, side plates 402 are arranged on two sides of the loading mechanism 4, the blocking mechanism 3 is arranged at one side of the top of one side plate 402, the smoothing mechanism 5 is arranged at one side of the top of the lifting mechanism 6, a second supporting plate 501 is arranged on two sides of the bottom of the smoothing mechanism 5, a second sliding plate 506 is arranged on one side of the lifting mechanism 6, a lifting plate 605 is arranged on one side of the lifting mechanism 6, a grinding mechanism 7 is arranged on one side of the bottom of the lifting plate 605, and a pinch roller 704 is arranged at the bottom of the grinding mechanism 7.
Through the mutually supporting work between grinding mechanism 7, dumping mechanism 2 and the fender mechanism 3, arc board 308 carries out the upset operation with the powder in the silo 403, avoids powder and silo 403 bottom adhesion, is favorable to the more thorough of the powder oxidation of grinding in the silo 403, guarantees that the quality of the metal iron-based wave-absorbing composite material of this preparation facilities preparation is better, and further guarantees that the wave-absorbing performance of the metal iron-based wave-absorbing composite material of this preparation facilities preparation is better, is favorable to the use of the metal iron-based wave-absorbing composite material of preparation.
In an alternative implementation manner of the embodiment of the invention, the bottom of the pushing mechanism 1 is provided with the underframe 101, the middle of the top end of the underframe 101 is connected with the supporting frame 102 through bolts, two second supporting plates 501 are respectively arranged at two sides of the supporting frame 102, a first motor 103 is installed at the middle of one end of the supporting frame 102, one end of the first motor 103 is movably connected with a first screw rod 104 through a rotating shaft, the first sliding plate 108 is in a cuboid structure, the middle of the bottom end of the first sliding plate 108 is welded with a first sliding block 105, the middle of the first sliding block 105 is provided with a first screw hole matched with the first screw rod 104, the first screw rod 104 is connected with the first sliding block 105 through the first screw hole, two sides of the top of the supporting frame 102 are welded with sliding rails 106, the tops of the two sliding rails 106 are respectively connected with a second sliding block 107, the two second sliding blocks 107 are welded at the bottom of the first sliding plate 108, the first sliding block 103 is driven by the first motor 103 on the pushing mechanism 1, the first motor 103 drives the first screw rod 104 to rotate, the first sliding block 108 at the top of the first sliding block 104 moves left and right, the first sliding block 104 is matched with the first sliding block 104, and the left and right pressing block 704 on the mechanism 7 is used for ball milling FeB coarse powder in the position of the groove 403.
In an alternative implementation manner of the embodiment of the invention, a baffle 201 is arranged at one side of the bottom of the dumping mechanism 2, a vertical plate 202 is arranged at one side of the baffle 201, both the baffle 201 and the vertical plate 202 are welded at the top of the first sliding plate 108, a second motor 203 is arranged at one side of the baffle 201, one end of the second motor 203 is movably connected with a first gear 204 through a rotating shaft, a second gear 205 is meshed with and connected to the top of the first gear 204, the middle part of the second gear 205 is connected with the baffle 201 through a rotating shaft, one side of the second gear 205 is connected with a rotating plate 206, the middle part of one side of the rotating plate 206 is connected with the middle part of the top of the vertical plate 202 through a bearing, a first supporting plate 207 is welded at the top of the rotating plate 206, the second motor 203 drives the first gear 204 to rotate, the first gear 204 drives the second gear 205 to rotate, the second gear 205 drives the rotating plate 206 to rotate, and the rotating plate 206 drives a trough 403 on the loading mechanism 4 to turn over, so that NdFeB coarse permanent magnet material powder in the trough 403 moves to the bottom of the iron-based trough 403 to the grinding mechanism 7, the grinding mechanism 704 is convenient to perform the rapid dumping operation of the excessive alcohol powder, and the composite material is convenient to be dumped from the grinding mechanism 2 through the tilting of the grinding mechanism.
In an alternative implementation manner of the embodiment of the invention, a support column 301 is arranged at the bottom of one side of the blocking mechanism 3, the bottom of the support column 301 is connected with the top of one side plate 402 of one side of the charging mechanism 4 through bolts, a top plate 302 is welded at the top of the support column 301, one end of the top plate 302 is connected with a first hydraulic cylinder 303 through bolts, the bottom of the first hydraulic cylinder 303 is connected with a first hydraulic rod 304 in a matched manner, a connecting plate 305 is welded at the bottom of the first hydraulic rod 304, the first hydraulic rod 304 drives the first hydraulic rod 304 to move through the first hydraulic cylinder 303 on the blocking mechanism 3, the first hydraulic rod 304 drives the connecting plate 305 to move up and down, the height of the arc plate 308 is adjusted, the bottom of the arc plate 308 is attached to the inner side wall of a trough 403, so that added alcohol in the trough 403 is prevented from overflowing from one end of a filter screen 404, grinding operation of NdFeB coarse permanent magnet material powder is facilitated in the trough 403, mixing of the ground powder with alcohol is avoided, the situation that the NdFeB coarse permanent magnet material powder is generated when the powder is ground through the trough 704 is ground, the situation that the NdFeB coarse permanent magnet material powder can be maximally prepared into a metal composite wave absorbing material, the metal composite wave absorbing material can be prevented from being produced, and the situation that the composite wave absorbing material of the iron composite material is also is prevented from being polluted in the preparation process.
In an alternative implementation manner of the embodiment of the invention, the middle part of the connecting plate 305 is transversely connected with the second hydraulic cylinder 306 through a bolt, one end of the second hydraulic cylinder 306 is connected with the second hydraulic rod 307 in a matching way, one end of the second hydraulic rod 307 is connected with the arc plate 308 through a bolt, the arc plate 308 is in an arc structure, the arc plate 308 is arranged right above the charging mechanism 4, the second hydraulic cylinder 306 drives the second hydraulic rod 307 to move left and right, the second hydraulic rod 307 drives the arc plate 308 to move left and right, the arc plate 308 shields the filter screen 404, and meanwhile, powder in the trough 403 is stirred and dispersed left and right through the arc plate 308, so that the method is beneficial to more comprehensively contact the ground powder with air, is beneficial to faster powder oxidation rate, and is further beneficial to improving the preparation efficiency of the metal iron-based composite wave absorbing material.
In an optional implementation manner of the embodiment of the invention, a supporting groove 401 is arranged at the bottom of the charging mechanism 4, a groove 403 is connected to the middle of the supporting groove 401 through bolts, the cross section of the groove 403 is of an arc-shaped structure, the pinch roller 704 is convenient for grinding raw materials in the groove 403, a filter screen 404 is arranged at the bottom of one side of the groove 403, the outer side wall of the arc plate 308 is tightly attached to the side wall of the groove 403, so that the arc plate 308 can shade one side of the filter screen 404 more tightly, and alcohol can be poured conveniently.
In an alternative implementation manner of the embodiment of the invention, the tops of the two second supporting plates 501 are welded with the transverse plates 502, the upper side and the lower side of one side of the transverse plates 502 are provided with the sliding grooves 503, one end of the top of each transverse plate 502 is connected with the third hydraulic cylinder 504 through a bolt, one end of each third hydraulic cylinder 504 is connected with the third hydraulic rod 505, one end of each third hydraulic rod 505 is connected with the second sliding plate 506 through a bolt, two third sliding blocks 507 are arranged at the bottom of one side of each second sliding plate 506, each third sliding block 507 is in a T-shaped structure, the two third sliding blocks 507 are respectively connected with the two sliding grooves 503, so that the grinding operation of the pressing wheel 704 at the bottom of the grinding mechanism 7 on the front and rear positions of the material groove 403 is more stable, the pressing wheel 704 is further facilitated to move left and right through the third hydraulic cylinders 504 on the smoothing mechanism 5, the third hydraulic rods 505 are driven to move left and right by the third hydraulic rods 505, the front and rear positions of the grinding mechanism 7 at the bottom of the lifting mechanism 6 are adjusted, and the pressing wheel 704 performs the grinding operation on the coarse NdFeB permanent magnet powder at the front and rear positions in the material groove 403.
In an alternative implementation manner of the embodiment of the invention, a first baffle frame 601 is arranged on one side of a lifting mechanism 6, the first baffle frame 601 is in a U-shaped structure, a third motor 602 is arranged on the top of the first baffle frame 601, the bottom of the third motor 602 is movably connected with a second screw rod 603 through a rotating shaft, a fourth sliding block 604 is welded on one side of a lifting plate 605, a notch is formed on one side of the lifting plate 605, a shielding plate 606 is arranged in the middle of the notch, the shielding plate 606 is welded with the first baffle frame 601, a second screw hole matched with the second screw rod 603 is formed in the middle of the fourth sliding block 604, the second screw rod 603 is connected with the fourth sliding block 604 through the second screw hole, bumps 607 are welded on the middle of two sides of the fourth sliding block 604, and slide ways matched with the bumps 704 are formed in the middle of two sides of the first baffle frame 601, so that the pressing wheel 704 can move up and down more stably, the pressing wheel 704 can grind raw materials in the material tank 403 smoothly, the third motor 602 drives the second screw rod 603 to move up and down, the second screw rod 603 drives the fourth sliding block 604 to move up and down the pressing wheel 605, and the height of the pressing wheel 403 is adjusted to the height of the material in the material tank 704 is different from the height of the coarse powder ball milling groove 704.
In an alternative implementation manner of the embodiment of the invention, a third supporting plate 701 is arranged at the top of the grinding mechanism 7, the third supporting plate 701 is connected with the bottom of the lifting plate 605 through bolts, the bottom of the lifting plate 605 is connected with a second baffle frame 702 through bolts, the second baffle frame 702 is in an inverted U-shaped structure, one side of the second baffle frame 702 is provided with a fourth motor 703, one end of the fourth motor 703 is movably connected with a pressing wheel 704 through a rotating shaft, the pressing wheel 704 is arranged in the middle of the second baffle frame 702, the fourth motor 703 is started to drive the pressing wheel 704 to rotate, the pressing wheel 704 grinds raw materials in the trough 403, and the metal wave-absorbing composite material is conveniently prepared in the later stage.
When the device is used, first, the first hydraulic cylinder 303 on the blocking mechanism 3 drives the first hydraulic rod 304 to move, the first hydraulic rod 304 drives the connecting plate 305 to move up and down, the height of the arc plate 308 is adjusted, the bottom of the arc plate 308 is attached to the inner side wall of the trough 403, the second hydraulic cylinder 306 drives the second hydraulic rod 307 to move left and right, the second hydraulic rod 307 drives the arc plate 308 to move left and right, the arc plate 308 covers the filter screen 404, the fourth motor 703 on the grinding mechanism 7 is started, the fourth motor 703 drives the pressing wheel 704 in the middle of the second blocking frame 702 to rotate, the pressing wheel 704 grinds NdFeB coarse permanent magnet material powder in the trough 403, the filter screen 404 is blocked by the arc plate 308, the added alcohol in the trough 403 is prevented from overflowing from one end of the filter screen 404, the grinding operation of the NdFeB coarse permanent magnet material powder is facilitated, the ground powder is facilitated to be mixed with the alcohol, the situation that the NdFeB coarse permanent magnet material powder is subjected to grinding the powder is avoided when the pressing wheel is subjected to grinding, the situation that the powder is not only ensured, but also the situation that the NdFeB coarse permanent magnet material powder can be maximally ground into the composite material is polluted by the composite material due to the absorption wave of the composite material in the preparation process of the preparation of the composite material, and the composite material is avoided;
then, by starting the first motor 103 on the pushing mechanism 1, the first motor 103 drives the first screw rod 104 to rotate, the first screw rod 104 drives the first slide plate 108 at the top of the first slide block 105 to move left and right, the pressing wheel 704 on the grinding mechanism 7 performs ball milling treatment on the NdFeB coarse permanent magnet material powder at the left and right positions in the material groove 403, the second motor 203 on the dumping mechanism 2 is started, the second motor 203 drives the first gear 204 to rotate, the first gear 204 drives the second gear 205 to rotate, the second gear 205 drives the rotating plate 206 to rotate, the rotating plate 206 drives the material groove 403 on the charging mechanism 4 to overturn, the NdFeB coarse permanent magnet material powder in the material groove 403 rolls, the NdFeB coarse permanent magnet material powder in the material groove 403 moves to the bottom of the pressing wheel 704 on the grinding mechanism 7, the left and right positions of the pressing wheel 704 and the inclination angle of the powder in the trough 403 are adjusted through the pushing mechanism 1 and the dumping mechanism 2, so that the pressing wheel 704 is better in contact with the powder, the pressing wheel 704 is further favorable for grinding the NdFeB coarse permanent magnetic material powder in the trough 403 more thoroughly, the prepared powder is finer, the powder is better in contact with air, the metal iron-based composite wave absorbing material with alpha-iron dispersed in Fe2O3, R2O3 and a small amount of boride is conveniently obtained, the pushing mechanism 1 and the blocking mechanism 3 work in a matched mode, the arc plate 308 disperses the powder in the trough 403, the contact of the ground powder with the air is more comprehensive, the oxidation rate of the powder is faster, and the preparation efficiency of the metal iron-based composite wave absorbing material is further improved;
finally, the third hydraulic cylinder 504 on the smoothing mechanism 5 drives the third hydraulic rod 505 to move left and right, the third hydraulic rod 505 drives the second sliding plate 506 to move back and forth, the front and back positions of the grinding mechanism 7 at the bottom of the lifting mechanism 6 are adjusted, the pressing wheel 704 carries out grinding operation on NdFeB coarse permanent magnetic material powder at the front and back positions in the trough 403, the third motor 602 on the lifting mechanism 6 is started in a matched mode, the third motor 602 drives the second screw rod 603 to move up and down, the second screw rod 603 drives the lifting plate 605 at one side of the fourth sliding block 604 to move up and down, the height of the pressing wheel 704 is adjusted, the pressing wheel 704 carries out ball milling operation on NdFeB coarse permanent magnetic material powder with different depths in the trough 403, meanwhile, the arc plate 308 carries out overturning operation on the powder in the trough 403 through mutual cooperation among the grinding mechanism 7, the dumping mechanism 2 and the blocking mechanism 3, the powder is prevented from being adhered to the bottom of the trough 403, the oxidation of the powder ground in the trough 403 is facilitated, the quality of the metal iron-based composite wave absorbing material prepared by the preparation device is ensured to be better, and the composite wave absorbing performance of the metal composite wave absorbing material prepared by the iron-based composite wave is further ensured.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The utility model provides a metal iron-based composite wave absorbing material preparation facilities that electromagnetic wave absorbs strongly, its characterized in that includes pushing away mechanism (1), dumping mechanism (2), blocking mechanism (3), charging mechanism (4), smoothing mechanism (5), take-off and landing mechanism (6) and grinding mechanism (7), pushing away mechanism (1) top is provided with first slide (108), dumping mechanism (2) bottom sets up the top at first slide (108), dumping mechanism (2) top is provided with first backup pad (207), charging mechanism (4) set up the top at first backup pad (207), charging mechanism (4) both sides all are provided with curb plate (402), blocking mechanism (3) set up the top one side of one of them curb plate (402), smoothing mechanism (5) set up the top one side at take-off and landing mechanism (6), smoothing mechanism (5) bottom both sides all are provided with second backup pad (501), smoothing mechanism (5) one side is provided with second slide (506), take-off and landing mechanism (6) set up and down one side (605) is provided with the lifter plate (605) on one side of the lifter plate (7), the bottom of the grinding mechanism (7) is provided with a pinch roller (704).
2. The preparation device of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to claim 1, wherein the bottom of the pushing mechanism (1) is provided with a bottom frame (101), the middle part of the top end of the bottom frame (101) is connected with a supporting frame (102) through a screw bolt, two second supporting plates (501) are respectively arranged on two sides of the supporting frame (102), a first motor (103) is mounted at one end middle part of the supporting frame (102), one end of the first motor (103) is movably connected with a first screw rod (104) through a rotating shaft, a first sliding plate (108) is in a cuboid structure, the middle part of the bottom end of the first sliding plate (108) is welded with a first sliding block (105), a first screw hole matched with the first screw rod (104) is formed in the middle part of the first sliding block (105), sliding rails (106) are welded on two sides of the top of the supporting frame (102), two sliding rails (106) are respectively connected with a second sliding block (107), and the two second sliding blocks (107) are welded at the bottom of the first sliding plate (108).
3. The preparation device of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to claim 2, wherein a baffle plate (201) is arranged on one side of the bottom of the dumping mechanism (2), a vertical plate (202) is arranged on one side of the baffle plate (201), the baffle plate (201) and the vertical plate (202) are welded at the top of the first sliding plate (108), a second motor (203) is arranged on one side of the baffle plate (201), one end of the second motor (203) is movably connected with a first gear (204) through a rotating shaft, the top of the first gear (204) is meshed with a second gear (205), the middle of the second gear (205) is connected with the baffle plate (201) through a rotating shaft, one side of the second gear (205) is connected with the middle of the top end of the vertical plate (202) through a bearing, and the first supporting plate (207) is welded at the top of the rotating plate (206).
4. The preparation device of the metal iron-based composite wave absorbing material with strong electromagnetic wave absorption according to claim 3, wherein a support column (301) is arranged at the bottom of one side of the blocking mechanism (3), the bottom of the support column (301) is connected with the top of one side plate (402) of one side of the charging mechanism (4) through a bolt, a top plate (302) is welded at the top of the support column (301), one end of the top plate (302) is connected with a first hydraulic cylinder (303) through a bolt, the bottom of the first hydraulic cylinder (303) is connected with a first hydraulic rod (304) in a matched mode, and a connecting plate (305) is welded at the bottom of the first hydraulic rod (304).
5. The preparation device of the metal iron-based composite wave absorbing material with strong electromagnetic wave absorption according to claim 4, wherein the middle part of the connecting plate (305) is transversely connected with a second hydraulic cylinder (306) through a bolt, one end of the second hydraulic cylinder (306) is connected with a second hydraulic rod (307) in a matched mode, one end of the second hydraulic rod (307) is connected with an arc plate (308) through a bolt, the arc plate (308) is of an arc structure, and the arc plate (308) is arranged right above the charging mechanism (4).
6. The preparation device of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to claim 5, wherein a supporting groove (401) is arranged at the bottom of the charging mechanism (4), a groove (403) is connected to the middle of the supporting groove (401) through bolts, the cross section of the groove (403) is of an arc-shaped structure, a filter screen (404) is arranged at the bottom of one side of the groove (403), and the outer side wall of the arc plate (308) is tightly attached to the side wall of the groove (403).
7. The preparation device of the metal iron-based composite wave absorbing material with strong electromagnetic wave absorption according to claim 1, wherein transverse plates (502) are welded at the tops of two second supporting plates (501), sliding grooves (503) are formed in the upper side and the lower side of one side of each transverse plate (502), one end of the top of each transverse plate (502) is connected with a third hydraulic cylinder (504) through bolts, one end of each third hydraulic cylinder (504) is connected with a third hydraulic rod (505), one end of each third hydraulic rod (505) is connected with a second sliding plate (506) through bolts, two third sliding blocks (507) are arranged at the bottom of one side of each second sliding plate (506), each third sliding block (507) is in a T-shaped structure, and the two third sliding blocks (507) are connected with the two sliding grooves (503) respectively.
8. The preparation device of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to claim 1, wherein a first baffle frame (601) is arranged on one side of a lifting mechanism (6), the first baffle frame (601) is of a U-shaped structure, a third motor (602) is installed at the top of the first baffle frame (601), a second screw rod (603) is movably connected to the bottom of the third motor (602) through a rotating shaft, a fourth slide block (604) is welded on one side of a lifting plate (605), a notch is formed in one side of the lifting plate (605), a shielding plate (606) is arranged in the middle of the notch, the shielding plate (606) is welded with the first baffle frame (601), a second screw hole matched with the second screw rod (603) is formed in the middle of the fourth slide block (604), bumps (607) are welded on the middle of two sides of the fourth slide block (604), and a slide way matched with the bumps (607) is formed in the inner side walls of the two sides of the first baffle frame (601).
9. The preparation device of the metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to claim 8, wherein a third supporting plate (701) is arranged at the top of the grinding mechanism (7), the third supporting plate (701) is connected with the bottom of the lifting plate (605) through bolts, a second baffle frame (702) is connected to the bottom of the lifting plate (605) through bolts, the second baffle frame (702) is of an inverted U-shaped structure, a fourth motor (703) is arranged on one side of the second baffle frame (702), a pressing wheel (704) is movably connected to one end of the fourth motor (703) through a rotating shaft, and the pressing wheel (704) is arranged in the middle of the second baffle frame (702).
10. The apparatus for preparing a metal iron-based composite wave-absorbing material with strong electromagnetic wave absorption according to any one of claims 1 to 9, wherein the method for using the apparatus for preparing a metal iron-based composite wave-absorbing material comprises the following steps:
step one: the first hydraulic cylinder (303) on the blocking mechanism (3) drives the first hydraulic rod (304) to move, the first hydraulic rod (304) drives the connecting plate (305) to move up and down, the height of the arc plate (308) is adjusted, the bottom of the arc plate (308) is attached to the inner side wall of the trough (403), the second hydraulic cylinder (306) drives the second hydraulic rod (307) to move left and right, the second hydraulic rod (307) drives the arc plate (308) to move left and right, the arc plate (308) covers the filter screen (404), then alcohol solution is poured into the trough (403) on the charging mechanism (4), ndFeB coarse permanent magnet material powder after dehydrogenation is put into the trough (403) on the charging mechanism (4), a fourth motor (703) on the grinding mechanism (7) is started, the fourth motor (703) drives a pressing wheel (704) in the middle of the second blocking frame (702) to rotate, and the pressing wheel (704) carries out grinding treatment on NdFeB coarse permanent magnet material powder in the trough (403);
step two: the method comprises the steps that a first motor (103) on a pushing mechanism (1) is started, the first motor (103) drives a first screw rod (104) to rotate, the first screw rod (104) drives a first sliding plate (108) at the top of a first sliding block (105) to move left and right, a pressing wheel (704) on a grinding mechanism (7) carries out ball milling on NdFeB coarse permanent magnet material powder at the left and right positions in a trough (403), a second motor (203) on a pouring mechanism (2) is started, the second motor (203) drives a first gear (204) to rotate, the first gear (204) drives a second gear (205) to rotate, the second gear (205) drives a rotating plate (206) to rotate, the rotating plate (206) drives a trough (403) on a loading mechanism (4) to turn over, the NdFeB coarse permanent magnet material powder in the trough (403) is enabled to roll, the NdFeB coarse permanent magnet material powder in the trough (403) moves to the bottom of the pressing wheel (704) on the grinding mechanism (7), and the pressing wheel (704) carries out thorough grinding on NdFeB coarse permanent magnet material in the trough (403);
step three: the third hydraulic cylinder (504) on the smoothing mechanism (5) drives the third hydraulic rod (505) to move left and right, the third hydraulic rod (505) drives the second sliding plate (506) to move back and forth, the grinding mechanism (7) at the bottom of the lifting mechanism (6) is adjusted to be positioned back and forth, the pressing wheel (704) grinds NdFeB coarse permanent magnet powder at the front and back positions in the trough (403), the third motor (602) on the lifting mechanism (6) is matched to be started, the third motor (602) drives the second screw rod (603) to move up and down, the second screw rod (603) drives the lifting plate (605) at one side of the fourth sliding block (604) to move up and down, the height of the pressing wheel (704) is adjusted, the pressing wheel (704) performs ball milling operation on NdFeB coarse permanent magnet powder at different depths in the trough (403), meanwhile, the grinding mechanism (7), the dumping mechanism (2) and the blocking mechanism (3) are mutually matched to work, the arc plate (308) performs overturning operation on powder in the trough (403), the powder and the bottom of the trough (403) are matched with the third motor (602) to drive the second screw rod (603) to move up and down, the second screw rod (603) drives the lifting plate (605) to move up and down, the lifting plate (605) at one side of the fourth sliding plate (604) to move up and down, the height of the lifting plate is equal to the lifting plate (2) to the lifting plate, and the iron oxide powder is more than the iron oxide B2, and the iron oxide powder is completely and the iron oxide B and the iron oxide powder is completely and thoroughly has a small amount of O-oxide powder and has a small amount.
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