CN112138867A - High-precision magnetic separator with automatic speed regulation function - Google Patents
High-precision magnetic separator with automatic speed regulation function Download PDFInfo
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- CN112138867A CN112138867A CN202010962214.2A CN202010962214A CN112138867A CN 112138867 A CN112138867 A CN 112138867A CN 202010962214 A CN202010962214 A CN 202010962214A CN 112138867 A CN112138867 A CN 112138867A
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- fixedly connected
- magnetic separation
- roller
- shaft
- magnetic
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- 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
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Electrostatic Separation (AREA)
Abstract
The invention relates to the technical field of magnetic separators and discloses a high-precision magnetic separator with an automatic speed regulation function, which comprises a magnetic separation barrel, wherein a magnetic separation roller is rotatably connected inside the magnetic separation barrel, the inner side wall of the magnetic separation roller is fixedly connected with an electromagnet group, one end of the magnetic separation roller is fixedly connected with a roller shaft, the outer side wall of the roller shaft is fixedly connected with a chain wheel, one end of the roller shaft is rotatably connected with a shaft seat, and the inner side wall of the shaft seat is fixedly connected with a permanent magnet; when the rotational speed of roller is faster, then the electric current that produces on the coil is just bigger, simultaneously, the magnetic field that produces on the electro-magnet is just bigger, makes the viscosity of magnetorheological suspensions also along with the increase, and the shear stress that makes the speed-limiting axle of being connected with the roller overcome magnetorheological suspensions is just bigger to make the rotational speed of the roller of being connected with the speed-limiting axle reduce, and then avoid because the rotational speed of magnetic separation roller is too fast, lead to reducing the precision of magnetic separation, effectively promoted the utilization ratio of raw materials.
Description
Technical Field
The invention relates to the technical field of magnetic separators, in particular to a high-precision magnetic separator with an automatic speed regulation function.
Background
The magnetic separator is used for removing iron powder and the like in the recycled powder particles, magnetic force received in a magnetic field is different due to magnetic particles and non-magnetic particles, the magnetic particles are adsorbed on the surface of a roller under the action of magnetic force in the magnetic field and are unloaded in a magnetic field area, and the non-magnetic particles and the weak magnetic particles are different due to the fact that the magnetic force received by the non-magnetic particles and the weak magnetic particles is different, so that the throwing track is different.
Among the prior art, at the in-process of carrying out the magnetic separation, the raw materials falls into the magnetic separation roller by the feeder hopper of top, because the inertia of raw materials makes the raw materials hit and hits the magnetic separation roller to lead to the rotational speed of magnetic separation roller to promote, too fast rotational speed can influence the precision of selecting materials, causes the waste of raw materials, and simultaneously, current feed arrangement can not in time adjust the speed of feeding according to the magnetic separation roller selection progress, leads to influencing the quality of selecting materials.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-precision magnetic separator with an automatic speed regulation function, which has the over-speed protection function, and has the advantages that when the rotating speed is too high, the rotating speed of a magnetic separation roller is automatically reduced, and the feeding speed can be timely adjusted according to the material selection progress, so that the problems that in the process of magnetic separation, raw materials fall into the magnetic separation roller from an upper feeding hopper, the raw materials hit the magnetic separation roller due to the inertia of the raw materials, the rotating speed of the magnetic separation roller is increased, the excessive rotating speed can influence the material selection precision, the raw materials are wasted, and meanwhile, the feeding speed cannot be timely adjusted according to the material selection progress of the magnetic separation roller by using the conventional feeding device, and the quality of the selected materials is influenced are solved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a high-precision magnetic separator with an automatic speed regulation function comprises a magnetic separation barrel, wherein a magnetic separation roller is rotatably connected inside the magnetic separation barrel, an electromagnet group is fixedly connected to the inner side wall of the magnetic separation roller, one end of the magnetic separation roller is fixedly connected with a roller shaft, the outer side wall of the roller shaft is fixedly connected with a chain wheel, one end of the roller shaft is rotatably connected with a shaft seat, a permanent magnet is fixedly connected to the inner side wall of the shaft seat, a coil is rotatably connected to the inner central position of the shaft seat, a lead is fixedly connected to the output end of the coil, a speed limiting seat is fixedly connected to one side of the shaft seat, a speed limiting shaft is rotatably connected to the inner central position of the speed limiting seat, rheological fluid is filled outside the speed limiting shaft, electromagnets are symmetrically distributed inside the speed limiting;
the top fixedly connected with of magnetic separation section of thick bamboo goes into the hopper, go into the lateral wall fixedly connected with inlet pipe of hopper, go into the bottom fixedly connected with swing seat of hopper, the inside wall sliding connection of swing seat has the swinging arms, the bottom fixedly connected with rack of swing seat, the top fixedly connected with of swing seat dredges the baffle, one side fixedly connected with reset spring of swinging arms, the inside of swing seat rotates and is connected with the drive wheel, the lateral wall fixedly connected with semi-circular gear of drive wheel.
Preferably, the lateral wall fixedly connected with discharging pipe of a magnetic separation section of thick bamboo, the inside fixedly connected with delivery track of discharging pipe, the inside of a magnetic separation section of thick bamboo is close to one side fixedly connected with string flitch of magnetic separation roller, the discharging pipe is carried the magnetism material that the magnetic separation was accomplished, hangs the magnetism material that the flitch was on with the magnetic separation roller and hangs to the delivery track, accomplishes the transport to the magnetism material by the delivery track again.
Preferably, the bottom fixedly connected with dump bin of a magnetic separation section of thick bamboo, the inside fixedly connected with filter screen of dump bin, the dump bin is collected the waste material that the magnetic separation was accomplished.
Preferably, the magnetic separation roller is equipped with two altogether, two the direction of rotation of magnetic separation roller is opposite, and two magnetic separation rollers are synchronous to carry out the magnetic separation to the raw materials, hoisting device's magnetic separation precision.
Preferably, the lead is electrically connected with the guide rod, and the current on the coil enters the electromagnet through the lead and the guide rod.
Preferably, the roll shaft, the coil and the speed-limiting shaft are all located at the same horizontal plane and are connected with each other, and the roll shaft drives the coil and the speed-limiting shaft to rotate.
Preferably, the semicircular gear is of an arc gear-shaped structure, the semicircular gear is meshed with the rack, and the semicircular gear periodically drives the rack to move transversely.
(III) advantageous effects
Compared with the prior art, the invention provides a high-precision magnetic separator with an automatic speed regulation function, which has the following beneficial effects:
1. the high-precision magnetic separator with the automatic speed regulation function is characterized in that a shaft seat and a speed-limiting seat are arranged, a roll shaft of a magnetic separation roll is respectively connected with a coil in the shaft seat and the speed-limiting shaft in the speed-limiting seat, the roll shaft drives the coil and the speed-limiting shaft to rotate in the rotating process, the coil cuts a permanent magnet in the shaft seat in the rotating process to generate current on the coil, the current generated on the coil supplies power to an electromagnet in the speed-limiting seat through a lead, the magnetorheological fluid in the speed-limiting seat is subjected to the action of a magnetic field and becomes viscous, the faster the rotating speed of the roll shaft is, the larger the current generated on the coil is, meanwhile, the larger the magnetic field generated on the electromagnet is, the viscosity of the magnetorheological fluid is increased, the larger the shearing stress of the magnetorheological fluid is overcome by the speed-limiting shaft connected with the roll shaft is, the rotating speed of the roll shaft connected with the speed-limiting shaft is reduced, resulting in reduced magnetic separation precision and effectively improved raw material utilization rate.
2. The high-precision magnetic separator with the automatic speed regulation function is characterized in that the bottom of the feeding hopper is provided with the swing seat, the inside of the swing seat is provided with the swing rod capable of moving transversely, the swing rod is linked with the semicircular gear on the driving wheel through the rack at the bottom, when magnetic separation is carried out, the magnetic separation roller drives the driving wheel to rotate, the rotation speed of the driving wheel is influenced by the rotation speed of the magnetic separation roller, the semicircular gear on the driving wheel periodically drives the rack to move transversely, the swinging rod is driven by the reset spring to carry out reciprocating motion, so that raw materials in the feeding hopper fall into the magnetic separation barrel through the guide plate which moves in a reciprocating manner, because the rotating speed of the driving wheel is influenced by the rotating speed of the magnetic separation roller, when the magnetic separation roller is used for quickly selecting materials, the falling speed of the raw materials is increased, otherwise, the falling speed of the raw materials is reduced, and therefore the feeding speed can be adjusted in time according to the material selection progress.
Drawings
FIG. 1 is a schematic structural view of a magnetic separation drum in the present invention;
FIG. 2 is a connection relationship diagram of a magnetic separation roller and a shaft seat in the invention;
FIG. 3 is a cross-sectional view of the axle seat of the present invention;
FIG. 4 is a cross-sectional view of a speed limit stop according to the present invention;
FIG. 5 is a cross-sectional view of the speed limit stop of the present invention;
FIG. 6 is a schematic structural view of the swing seat of the present invention, wherein the semicircular gear and the rack are engaged;
FIG. 7 is a schematic structural diagram of the swing seat of the present invention, wherein the semicircular gear and the rack are not engaged.
In the figure: 1. a magnetic separation cylinder; 11. a discharge pipe; 12. a conveying track; 13. hanging a material plate; 2. a waste bin; 21. a filter screen; 3. a magnetic separation roller; 31. an electromagnet group; 32. a roll shaft; 33. a sprocket; 4. a shaft seat; 41. a permanent magnet; 42. a coil; 43. a wire; 5. a speed limiting seat; 51. a speed limiting shaft; 52. magnetorheological fluid; 53. an electromagnet; 54. a guide bar; 6. feeding into a hopper; 61. a feed pipe; 7. a swing seat; 71. a swing lever; 72. a rack; 73. a guide plate is thinned; 74. a return spring; 75. a driving wheel; 76. a semi-circular gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a high-precision magnetic separator with automatic speed regulation function comprises a magnetic separation barrel 1, a discharge pipe 11 is fixedly connected to the outer side wall of the magnetic separation barrel 1, a conveying track 12 is fixedly connected to the interior of the discharge pipe 11, a hanging plate 13 is fixedly connected to one side of the interior of the magnetic separation barrel 1 close to a magnetic separation roller 3, the discharge pipe 11 conveys magnetic materials after magnetic separation, the hanging plate 13 hangs the magnetic materials on the magnetic separation roller 3 onto the conveying track 12, then the conveying track 12 conveys the magnetic materials, a waste bin 2 is fixedly connected to the bottom of the magnetic separation barrel 1, a filter screen 21 is fixedly connected to the interior of the waste bin 2, the waste materials after magnetic separation are collected by the waste bin 2, the magnetic separation roller 3 is rotatably connected to the interior of the magnetic separation barrel 1, the magnetic separation rollers 3 are provided with two, the rotation directions of the two magnetic separation rollers 3 are opposite, the two magnetic separation, the magnetic separation precision of the lifting device is improved, an electromagnet group 31 is fixedly connected to the inner side wall of a magnetic separation roller 3, one end of the magnetic separation roller 3 is fixedly connected with a roller shaft 32, the roller shaft 32, a coil 42 and a speed-limiting shaft 51 are all located at the same horizontal plane and are connected with each other, the roller shaft 32 drives the coil 42 and the speed-limiting shaft 51 to rotate, a chain wheel 33 is fixedly connected to the outer side wall of the roller shaft 32, one end of the roller shaft 32 is rotatably connected with a shaft seat 4, a permanent magnet 41 is fixedly connected to the inner side wall of the shaft seat 4, the coil 42 is rotatably connected to the inner center position of the shaft seat 4, a lead 43 is fixedly connected to the output end of the coil 42, the lead 43 is electrically connected with a guide rod 54, current on the coil 42 enters the electromagnet 53 through the lead 43 and the guide rod 54, the, electromagnets 53 are symmetrically arranged in the speed limiting seat 5, and the electric input ends of the electromagnets 53 are fixedly connected with guide rods 54;
top fixedly connected with of magnetic separation section of thick bamboo 1 goes into hopper 6, go into lateral wall fixedly connected with inlet pipe 61 of hopper 6, go into the bottom fixedly connected with swing seat 7 of hopper 6, the inside wall sliding connection of swing seat 7 has swinging arms 71, the bottom fixedly connected with rack 72 of swing seat 7, the top fixedly connected with of swing seat 7 dredges baffle 73, one side fixedly connected with reset spring 74 of swinging arms 71, the inside of swing seat 7 rotates and is connected with drive wheel 75, the lateral wall fixedly connected with semi-circular gear 76 of drive wheel 75, semi-circular gear 76 is the curved gear column structure, semi-circular gear 76 and rack 72 intermeshing, semi-circular gear 76 periodic drive rack 72 lateral shifting.
The working principle is as follows: when the material sorting device is used, firstly, raw materials enter the feeding hopper 6 through the feeding pipe 61, so that the raw materials enter the feeding hopper 6 to be stored, when magnetic separation is carried out, the magnetic separation roller 3 drives the driving wheel 75 to rotate, the rotating speed of the driving wheel 75 is influenced by the rotating speed of the magnetic separation roller 3, the semi-circular gear 76 on the driving wheel 75 drives the rack 72 to move transversely, the swinging rod 71 is driven by the reset spring 74 to move in a reciprocating mode, so that the raw materials in the feeding hopper 6 fall into the magnetic separation barrel 1 through the guide plate 73 which moves in a reciprocating mode, the rotating speed of the driving wheel 75 is influenced by the rotating speed of the magnetic separation roller 3, so that the falling speed of the raw materials is increased when the magnetic separation roller 3 carries out rapid material sorting, and otherwise, the.
Please refer to fig. 1, fig. 6 and fig. 7 for the above structure and process.
Meanwhile, in the rotating process of the roller shaft 32 on the magnetic separation roller 3, the roller shaft 32 drives the coil 42 and the speed-limiting shaft 51 to rotate, the coil 42 cuts the permanent magnet 41 in the shaft seat 4 in the rotating process, so that current is generated on the coil 42, the current generated on the coil 42 is supplied to the electromagnet 53 in the speed-limiting seat 5 through the lead 43, and the magnetorheological fluid 52 in the speed-limiting seat 5 is affected by the magnetic field to become viscous, and when the rotating speed of the roller shaft 32 is faster, the current generated on the coil 42 is larger, and meanwhile, the magnetic field generated on the electromagnet 53 is larger, so that the viscosity of the magnetorheological fluid 52 is increased, the shearing stress of the speed-limiting shaft 51 connected with the roller shaft 32 to overcome the magnetorheological fluid 52 is larger, and the rotating speed of the roller shaft 32 connected with the speed-limiting shaft 51 is reduced.
Please refer to fig. 2 to 5 for the above structure and process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a high accuracy magnet separator with automatic speed governing function, includes magnetic separation section of thick bamboo (1), its characterized in that: the magnetic separation device is characterized in that a magnetic separation roller (3) is rotatably connected inside the magnetic separation barrel (1), an electromagnet group (31) is fixedly connected to the inner side wall of the magnetic separation roller (3), a roller shaft (32) is fixedly connected to one end of the magnetic separation roller (3), a chain wheel (33) is fixedly connected to the outer side wall of the roller shaft (32), a shaft seat (4) is rotatably connected to one end of the roller shaft (32), a permanent magnet (41) is fixedly connected to the inner side wall of the shaft seat (4), a coil (42) is rotatably connected to the inner central position of the shaft seat (4), a lead (43) is fixedly connected to the output end of the coil (42), a speed limiting seat (5) is fixedly connected to one side of the shaft seat (4), a speed limiting shaft (51) is rotatably connected to the inner central position of the speed limiting seat (5), magnetorheological fluid (52) is filled outside the speed limiting shaft (51), the electrical input end of the electromagnet (53) is fixedly connected with a guide rod (54);
the top fixedly connected with of magnetic separation section of thick bamboo (1) goes into hopper (6), go into lateral wall fixedly connected with inlet pipe (61) of hopper (6), go into bottom fixedly connected with swing seat (7) of hopper (6), the inside wall sliding connection of swing seat (7) has swinging arms (71), the bottom fixedly connected with rack (72) of swing seat (7), the top fixedly connected with of swing seat (7) is dredged baffle (73), one side fixedly connected with reset spring (74) of swinging arms (71), the internal rotation of swing seat (7) is connected with drive wheel (75), the lateral wall fixedly connected with semicircular gear (76) of drive wheel (75).
2. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: the outer wall fixedly connected with discharging pipe (11) of magnetic separation section of thick bamboo (1), the inside fixedly connected with delivery track (12) of discharging pipe (11), the inside of magnetic separation section of thick bamboo (1) is close to one side fixedly connected with string flitch (13) of magnetic separation roller (3).
3. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: the bottom fixedly connected with dump bin (2) of magnetic separation section of thick bamboo (1), the inside fixedly connected with filter screen (21) of dump bin (2).
4. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: the magnetic separation rollers (3) are provided with two magnetic separation rollers, and the rotating directions of the two magnetic separation rollers (3) are opposite.
5. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: the lead (43) is electrically connected with the guide rod (54).
6. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: the roll shaft (32), the coil (42) and the speed limiting shaft (51) are all positioned at the same horizontal plane and are connected with each other.
7. The high-precision magnetic separator with the automatic speed regulation function as claimed in claim 1, wherein: semicircular gear (76) are arc gear column structure, semicircular gear (76) with rack (72) intermeshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962214.2A CN112138867B (en) | 2020-09-14 | 2020-09-14 | High-precision magnetic separator with automatic speed regulation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010962214.2A CN112138867B (en) | 2020-09-14 | 2020-09-14 | High-precision magnetic separator with automatic speed regulation function |
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| Publication Number | Publication Date |
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| CN112138867A true CN112138867A (en) | 2020-12-29 |
| CN112138867B CN112138867B (en) | 2023-05-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113908984A (en) * | 2021-09-29 | 2022-01-11 | 连云港黄浦矿山机械制造有限公司 | Disc type vacuum filtering concentrator with modularized ore dressing mechanism |
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| Publication number | Publication date |
|---|---|
| CN112138867B (en) | 2023-05-23 |
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