CN116273453B - Automatic sieving mechanism of neodymium iron boron magnetic powder - Google Patents
Automatic sieving mechanism of neodymium iron boron magnetic powder Download PDFInfo
- Publication number
- CN116273453B CN116273453B CN202310120688.6A CN202310120688A CN116273453B CN 116273453 B CN116273453 B CN 116273453B CN 202310120688 A CN202310120688 A CN 202310120688A CN 116273453 B CN116273453 B CN 116273453B
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- fixed
- screen
- hopper
- electromagnet
- support frame
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- 239000006247 magnetic powder Substances 0.000 title claims abstract description 39
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 39
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 238000007873 sieving Methods 0.000 title claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 37
- 238000012216 screening Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to an automatic sieving device for neodymium iron boron magnetic powder, which relates to the field of magnetic powder sieving devices and comprises an electromagnet partition control mechanism and a screen mechanism, wherein the electromagnet partition control mechanism and the screen mechanism are respectively fixed on a base and a first supporting frame, the electromagnet partition control mechanism comprises more than two first electromagnets and more than two second electromagnets, the first electromagnets and the second electromagnets are parts with the same specification, and the first electromagnets and the second electromagnets are mutually crossed and arranged in the vertical direction.
Description
Technical Field
The invention relates to the field of magnetic powder screening devices, in particular to an automatic neodymium iron boron magnetic powder screening device.
Background
The neodymium-iron-boron magnetic powder is a raw material for manufacturing the neodymium-iron-boron magnet, the neodymium-iron-boron magnetic powder can be obtained through sintering or bonding molding, the neodymium-iron-boron magnetic powder needs to be screened before being processed into the neodymium-iron-boron magnet, so that the magnetic powder particles are fine and uniform, the molding quality of the magnet can be ensured, but the screen mesh in the existing screening device is finer and is easier to block.
After patent search, it was found that, for example, a chemical powder material multistage screening device with application number CN202111197099.5 plays a role in stirring and preventing powder from blocking screen holes in a screening process screening of chemical powder materials in a housing through scraping teeth arranged on a cleaning unit, but such a mode is easy to damage the screen.
Disclosure of Invention
The invention aims to provide an automatic sieving device for neodymium iron boron magnetic powder, which solves the problems.
The technical aim of the invention is realized by the following technical scheme: the automatic sieving device for the neodymium iron boron magnetic powder comprises an electromagnet partition control mechanism and a screen mechanism, wherein the electromagnet partition control mechanism and the screen mechanism are respectively fixed on a base and a first support frame;
The electromagnet partition control mechanism comprises more than two first electromagnets and more than two second electromagnets, the first electromagnets and the second electromagnets are parts with the same specification, the first electromagnets and the second electromagnets are mutually crossed and arranged in the vertical direction, the first electromagnets and the second electromagnets are fixed on an electromagnet fixing plate, each first electromagnet is synchronous in circuit control, each second electromagnet is synchronous in circuit control, a partition plate is arranged on one side of the electromagnet fixing plate, and the partition plate is fixed with the electromagnet fixing plate through a connecting fixing plate;
The screen cloth mechanism includes screen cloth subassembly and vibration subassembly, screen cloth subassembly includes the screen cloth, the screen cloth with the baffle and each other be parallel to each other between the two pair of electro-magnet fixed plate, the electro-magnet fixed plate with the screen cloth is separated by the baffle, vibration subassembly includes four first motors, four first motors respectively with connect through eccentric disc subassembly between the screen cloth subassembly, the screen cloth subassembly is equipped with first hopper on the top of vertical direction.
Preferably, the screen assembly comprises a screen mounting frame, the screen is fixedly mounted on the screen mounting frame, openings are formed in the upper end and the lower end of the screen assembly after the screen is fixedly mounted on the screen mounting frame, and the screen is mounted on one side, close to the partition plate, of the screen mounting frame.
Preferably, four first motors are fixed on the second support frame, the second support frame is fixed with the base, the eccentric disc assembly comprises a first disc, the first disc is fixed with a motor shaft of the first motor, an eccentric hole is formed in the first disc, the eccentric hole is in running fit with a connecting shaft, the connecting shaft is fixed with a support seat, and the support seat is fixed with the screen mounting frame.
Preferably, two sliding strips are fixed on the first hopper, the first hopper is in sliding fit with two sliding grooves respectively through two sliding strips, two ends of each sliding groove are fixed on a third supporting frame, and the third supporting frame is fixed with the top end of the second supporting frame.
Preferably, one side of the first hopper, which is close to the second supporting frame, is fixed with two grooved blocks, a straight groove is formed in each grooved block, a poking shaft is arranged in each straight groove and slides in each straight groove, the poking shaft is fixed with a second disc, the second disc is fixed on a motor shaft of the second motor, and the second motor is fixed with the top end of the second supporting frame.
Preferably, a third hopper is arranged below the partition plate, the third hopper is fixed with the partition plate, a second hopper is arranged at the lower end of the screen assembly, the second hopper is fixed with the second supporting frame, and valve plates are slidably arranged at the material receiving openings of the lowest ends of the third hopper and the second hopper.
Preferably, the second support frame is fixed with a suction pump, the suction pump is communicated with one end of a suction pipe, one end of the suction pipe is communicated with the bottom end of the second hopper, the suction pump is further communicated with one end of a discharge pipe, the other end of the discharge pipe is fixed on a support plate, the support plate is fixed on the top end of the second support frame and the second support frame, and a port of the discharge pipe at the top end of the second support frame is aligned with a top end opening of the first hopper.
Preferably, the electromagnet fixing plate is fixed on a first support frame, and the first support frame is fixed with the base.
In summary, the invention has the following beneficial effects: according to the invention, the screen is vertically arranged by matching the electromagnet partition control mechanism with the screen mechanism, the electrified electromagnet in the electromagnet partition control mechanism is utilized to attract the neodymium-iron-boron magnetic powder, so that the neodymium-iron-boron magnetic powder can be screened through the screen, when the first electromagnet is electrified and the second electromagnet is not electrified, the neodymium-iron-boron magnetic powder on the screen is gathered in the area close to the first electromagnet, the neodymium-iron-boron magnetic powder on the screen is not gathered in the area close to the second electromagnet after the screen is switched to the area close to the first electromagnet and the second electromagnet is electrified, the neodymium-iron-boron magnetic powder on the screen is not gathered in the area close to the first electromagnet, but the screen vibrates under the control of the first motor, the position close to the first electromagnet on the screen can be dredged, the screen can be effectively prevented from being blocked, any damage can not be caused, and meanwhile, the mixed impurities which are not magnetic in the neodymium-iron-boron magnetic powder can be discharged through the attraction of magnetic force, so that the screening effect is better.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a side view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is a schematic diagram of a partition control mechanism of an electromagnet according to an embodiment of the present invention;
FIG. 5 is a schematic view of a screen mechanism according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of B in FIG. 5 according to an embodiment of the present invention;
FIG. 7 is a schematic view of the components driving the first hopper to vibrate in accordance with an embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along the direction C-C in FIG. 7 in accordance with an embodiment of the present invention;
Fig. 9 is a schematic diagram of the structure of the slotted block in an embodiment of the present invention.
In the figure: 11. a base; 12. a first support frame; 14. a first electromagnet; 15. a second electromagnet; 16. a partition plate; 17. a first motor; 18. an electromagnet fixing plate; 19. a screen; 20. a screen mounting frame; 21. a second support frame; 22. a suction pipe; 23. a discharge pipe; 24. a first hopper; 26. a suction pump; 27. a second hopper; 28. a third hopper; 29. a support base; 30. a first disc; 31. a connecting shaft; 32. a second motor; 33. a second disc; 34. a chute; 35. a slide bar; 36. a third support frame; 37. a grooved block; 38. a dial shaft; 39. a valve plate; 40. a support plate; 41. connecting a fixing plate; 42. a straight groove; 60. an electromagnet partition control mechanism; 70. a screen mechanism.
Detailed Description
The automatic sieving device for the neodymium iron boron magnetic powder comprises an electromagnet partition control mechanism 60 and a screen mechanism 70, wherein the electromagnet partition control mechanism 60 and the screen mechanism 70 are respectively fixed on a base 11 and a first support frame 12;
The electromagnet partition control mechanism 60 comprises more than two first electromagnets 14 and more than two second electromagnets 15, wherein the first electromagnets 14 and the second electromagnets 15 are identical specification parts, the first electromagnets 14 and the second electromagnets 15 are mutually crossed and arranged in the vertical direction, the first electromagnets 14 and the second electromagnets 15 are fixed on an electromagnet fixing plate 18, each first electromagnet 14 is synchronous in circuit control, each second electromagnet 15 is synchronous in circuit control, a partition 16 is arranged on one side of the electromagnet fixing plate 18, and the partition 16 is fixed with the electromagnet fixing plate 18 through a connecting fixing plate 41;
the screen mechanism 70 comprises a screen assembly and a vibration assembly, the screen assembly comprises a screen 19, the screen 19 is parallel to the partition plate 16 and the electromagnet fixing plates 18 in pairs, the electromagnet fixing plates 18 and the screen 19 are separated by the partition plate 16, the vibration assembly comprises four first motors 17, the four first motors 17 are respectively connected with the screen assembly through eccentric disc assemblies, and a first hopper 24 is arranged at the top end of the screen assembly in the vertical direction.
Advantageously, the screen assembly comprises a screen mounting frame 20, the screen 19 is fixedly mounted to the screen mounting frame 20, and openings are formed in only the upper end and the lower end of the screen assembly, and the screen 19 is mounted to the screen mounting frame 20 on a side, close to the partition 16.
Advantageously, four first motors 17 are fixed on a second supporting frame 21, the second supporting frame 21 is fixed with the base 11, the eccentric disc assembly comprises a first disc 30, the first disc 30 is fixed with a motor shaft of the first motor 17, an eccentric hole is formed in the first disc 30, the eccentric hole is in running fit with a connecting shaft 31, the connecting shaft 31 is fixed with a supporting seat 29, and the supporting seat 29 is fixed with the screen mounting frame 20.
Advantageously, two sliding strips 35 are fixed on the first hopper 24, the first hopper 24 is slidably matched with two sliding grooves 34 through two sliding strips 35, two ends of each sliding groove 34 are fixed on a third supporting frame 36, and the third supporting frame 36 is fixed with the top end of the second supporting frame 21.
Advantageously, two grooved blocks 37 are fixed on one side of the first hopper 24 near the second supporting frame 21, a straight groove 42 is formed on the grooved blocks 37, a poking shaft 38 is arranged in the straight groove 42, the poking shaft 38 slides in the straight groove 42, the poking shaft 38 is fixed with the second disc 33, the second disc 33 is fixed on a motor shaft of the second motor 32, and the second motor 32 is fixed with the top end of the second supporting frame 21.
Advantageously, a third hopper 28 is arranged below the partition plate 16, the third hopper 28 is fixed with the partition plate 16, a second hopper 27 is arranged at the lower end of the screen assembly, the second hopper 27 is fixed with the second supporting frame 21, and valve plates 39 are slidably arranged at the material receiving openings of the lowest ends of the third hopper 28 and the second hopper 27.
Advantageously, the second support 21 is fixed with a suction pump 26, the suction pump 26 is communicated with one end of the suction pipe 22, one end of the suction pipe 22 is communicated with the bottom end of the second hopper 27, the suction pump 26 is also communicated with one end of the discharge pipe 23, the other end of the discharge pipe 23 is fixed on a support plate 40, the support plate 40 is fixed with the second support 21 at the top end of the second support 21, and the port of the discharge pipe 23 at the top end of the second support 21 is aligned with the top end opening of the first hopper 24.
Advantageously, the electromagnet fixing plate 18 is fixed to the first support frame 12, and the first support frame 12 is fixed to the base 11.
The application method of the invention comprises the following steps:
The initial state is as follows: the first electromagnet 14 and the second electromagnet 15 are not electrified, at this time, the first electromagnet 14 and the second electromagnet 15 lose magnetism and cannot attract the neodymium iron boron magnetic powder, the first motor 17 and the second motor 32 are stopped, and the valve plate 39 below the third hopper 28 and the second hopper 27 are in a closed state.
All the first electromagnets 14 are electrified and the second electromagnets 15 are not electrified, at this time, the first electromagnets 14 have larger magnetism, the second electromagnets 15 are not magnetic, the magnetic field of the first electromagnets 14 exists in the area closest to the first electromagnets 14 on the screen 19, the magnetic field of the second electromagnets 15 does not exist in the area closest to the second electromagnets 15 on the screen 19, and the neodymium iron boron magnetic powder can pass through the screen 19 from the area closest to the first electromagnets 14 on the screen 19.
The second motor 32 and the first motor 17 are started, the four first motors 17 on the second supporting frame 21 drive the first discs 30 fixed on the motor shafts of the first motors to rotate, the first discs 30 drive the connecting shafts 31 to rotate, the connecting shafts 31 drive the whole screen assembly to vibrate in a round state, the second motors 32 drive the second discs 33 fixed on the motor shafts of the second motors to rotate, the second discs 33 drive the poking shafts 38 to rotate, the poking shafts 38 slide in straight grooves 42 formed in the grooved blocks 37, and the poking shafts 38 drive the grooved blocks 37 and the first hoppers 24 fixed with the grooved blocks 37 to reciprocate in the length direction of the sliding grooves 34.
Pouring neodymium-iron-boron magnetic powder into the first hopper 24, the neodymium-iron-boron magnetic powder enters between the screen 19 and the screen mounting frame 20 from the bottom of the first hopper 24 under the action of gravity, the neodymium-iron-boron magnetic powder between the screen 19 and the screen mounting frame 20 is attracted by the electrified first electromagnet 14, small-particle neodymium-iron-boron magnetic powder passes through the screen 19, large-particle neodymium-iron-boron magnetic powder cannot pass through the screen 19, some impurities which cannot be attracted by magnetic force cannot pass through the screen 19, and finally the neodymium-iron-boron magnetic powder can pass through the screen 19 to reach between the baffle 16 and the screen 19, the neodymium-iron-boron magnetic powder is tightly attached to the baffle 16 under the action of the magnetic force of the first electromagnet 14, the second electromagnet 15 is electrified after the first electromagnet 14 is electrified for a period of time, the first electromagnet 14 is powered off, the neodymium-iron-boron magnetic powder cannot be gathered at the position corresponding to the screen 19 originally, the neodymium iron boron magnetic powder is re-gathered to the position corresponding to the second electromagnet 15 on the screen 19, under the vibration action of the first motor 17 driving the whole screen assembly, the area of the screen 19 closest to the first electromagnet 14 is not gathered with the neodymium iron boron magnetic powder, the position of the screen 19 is dredged by vibration, the neodymium iron boron magnetic powder gathered on the partition 16 at the position corresponding to the first electromagnet 14 is declined after losing the magnetism of the first electromagnet 14, then gathered to the position of the second electromagnet 15 under the magnetic attraction of the partition 16 under the magnetic attraction of the second electromagnet 15, in the continuous switching process of the first electromagnet 14 and the second electromagnet 15, the screen 19 can be dredged in time, the neodymium iron boron magnetic powder on the partition 16 can be dropped into the third hopper 28 for collection, the neodymium iron boron magnetic powder between the screen 19 and the screen mounting frame 20 descends into the second hopper 27 for collection.
If the neodymium iron boron magnetic powder in the second hopper 27 is still partially qualified after the disposable screening, the suction pump 26 is started, and the suction pump 26 pumps the neodymium iron boron magnetic powder in the second hopper 27 into the first hopper 24 again through the suction pipe 22 and the discharge pipe 23 for screening again.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (4)
1. The utility model provides an automatic screening plant of neodymium iron boron magnetism powder, includes electro-magnet partition control mechanism (60) and screen cloth mechanism (70), its characterized in that: the electromagnet partition control mechanism (60) and the screen mechanism (70) are respectively fixed on the base (11) and the first support frame (12);
The electromagnet partition control mechanism (60) comprises more than two first electromagnets (14) and more than two second electromagnets (15), the first electromagnets (14) and the second electromagnets (15) are identical in specification parts, the first electromagnets (14) and the second electromagnets (15) are mutually crossed and arranged in the vertical direction, the first electromagnets (14) and the second electromagnets (15) are fixed on an electromagnet fixing plate (18), each first electromagnet (14) is synchronous in circuit control, each second electromagnet (15) is synchronous in circuit control, a partition plate (16) is arranged on one side of the electromagnet fixing plate (18), and the partition plates (16) are fixed with the electromagnet fixing plate (18) through connecting fixing plates (41);
The screen mechanism (70) comprises a screen assembly and a vibration assembly, the screen assembly comprises a screen (19), the partition plate (16) and the electromagnet fixing plates (18) are parallel to each other in pairs, the electromagnet fixing plates (18) and the screen (19) are separated by the partition plate (16), the vibration assembly comprises four first motors (17), the four first motors (17) are respectively connected with the screen assembly through eccentric disc assemblies, and a first hopper (24) is arranged at the top end of the screen assembly in the vertical direction;
The screen assembly comprises a screen mounting frame (20), the screen (19) is fixedly mounted with the screen mounting frame (20), openings are formed in the upper end and the lower end of the whole screen assembly after the screen (19) is fixedly mounted with the screen mounting frame (20), and the screen (19) is mounted on one side, close to the partition plate (16), of the screen mounting frame (20);
The four first motors (17) are fixed on a second support frame (21), the second support frame (21) is fixed with the base (11), the eccentric disc assembly comprises a first disc (30), the first disc (30) is fixed with a motor shaft of the first motor (17), eccentric holes are formed in the first disc (30), the eccentric holes are in rotary fit with a connecting shaft (31), the connecting shaft (31) is fixed with a supporting seat (29), and the supporting seat (29) is fixed with a screen mounting frame (20);
Two sliding strips (35) are fixed on the first hopper (24), the first hopper (24) is in sliding fit with two sliding grooves (34) through the two sliding strips (35), two ends of each sliding groove (34) are fixed on a third support frame (36), and the third support frame (36) is fixed with the top end of the second support frame (21);
One side that first hopper (24) is close to second support frame (21) is fixed with two trough of belt pieces (37), straight flute (42) have been seted up on trough of belt piece (37), be equipped with in straight flute (42) and stir movable shaft (38), stir movable shaft (38) and be in slide in straight flute (42), stir movable shaft (38) and second disc (33) are fixed, second disc (33) are fixed on the motor shaft of second motor (32), second motor (32) with second support frame (21) top is fixed.
2. An automatic sieving device for neodymium iron boron magnetic powder according to claim 1, wherein: the utility model discloses a screen assembly, including baffle (16) and screen assembly, baffle (16) below is equipped with third hopper (28), third hopper (28) with baffle (16) are fixed, screen assembly lower extreme is established second hopper (27), second hopper (27) with second support frame (21) are fixed, third hopper (28) with second hopper (27) all slide in the receiving mouth department of its lower extreme and are equipped with valve plate (39).
3. An automatic sieving device for neodymium iron boron magnetic powder according to claim 2, wherein: the utility model discloses a material sucking pump, including second support frame (21), material sucking pump (26) and the one end intercommunication of inhaling material pipe (22), the one end of inhaling material pipe (22) with the bottom intercommunication of second hopper (27), material sucking pump (26) still communicates with the one end of discharging pipe (23), the other end of discharging pipe (23) is fixed on backup pad (40), backup pad (40) are in second support frame (21) top with second support frame (21) are fixed, discharging pipe (23) are in the port of second support frame (21) top department with the open-ended of first hopper (24).
4. An automatic sieving device for neodymium iron boron magnetic powder according to claim 1, wherein: the electromagnet fixing plate (18) is fixed on the first support frame (12), and the first support frame (12) is fixed with the base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310120688.6A CN116273453B (en) | 2023-02-16 | 2023-02-16 | Automatic sieving mechanism of neodymium iron boron magnetic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310120688.6A CN116273453B (en) | 2023-02-16 | 2023-02-16 | Automatic sieving mechanism of neodymium iron boron magnetic powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116273453A CN116273453A (en) | 2023-06-23 |
| CN116273453B true CN116273453B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310120688.6A Active CN116273453B (en) | 2023-02-16 | 2023-02-16 | Automatic sieving mechanism of neodymium iron boron magnetic powder |
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| CN (1) | CN116273453B (en) |
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| CN110639698A (en) * | 2019-09-18 | 2020-01-03 | 安徽万磁电子有限公司 | Automatic neodymium iron boron magnetic powder screening device and automatic screening method thereof |
| CN113198614A (en) * | 2019-09-18 | 2021-08-03 | 安徽万磁电子有限公司 | Automatic screening plant of neodymium iron boron magnetic |
| CN111266189A (en) * | 2020-03-20 | 2020-06-12 | 辽宁科技大学 | Magnetic dry separator |
| CN213287634U (en) * | 2020-09-22 | 2021-05-28 | 电子科技大学 | A screening plant for sintering neodymium iron boron magnetic |
| CN216800612U (en) * | 2022-02-21 | 2022-06-24 | 珠海市科立鑫金属材料有限公司 | Impurity filtering device for producing cobaltosic oxide |
| CN217512323U (en) * | 2022-06-21 | 2022-09-30 | 浙江兴顺新材料科技有限公司 | Mould powder metal impurity clearing device |
| CN217940477U (en) * | 2022-07-15 | 2022-12-02 | 安阳市容润建材有限公司 | Quartz sand metallic iron removing device |
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