CN218167321U - Resonance adjusting structure of electromagnetic vibration feeder - Google Patents
Resonance adjusting structure of electromagnetic vibration feeder Download PDFInfo
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- CN218167321U CN218167321U CN202222085843.9U CN202222085843U CN218167321U CN 218167321 U CN218167321 U CN 218167321U CN 202222085843 U CN202222085843 U CN 202222085843U CN 218167321 U CN218167321 U CN 218167321U
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Abstract
A resonance adjusting structure of an electromagnetic vibrating feeder is characterized in that a magnetic spring pair is additionally arranged between an armature and the bottom surface of a driver shell on the basis of the structure of the original electromagnetic vibrating feeder; when the resonance index of the electromagnetic vibration feeder deviates from the optimal value along with the increase of the working time of the electromagnetic vibration feeder, the adjustment of the resonance index of the electromagnetic vibration feeder can be realized only by adjusting the distance of the magnetic spring pairs or adjusting the magnetic field intensity between the magnetic spring pairs without dismounting and mounting and adjusting the plate spring groups, so that the maintenance and adjustment time of the electromagnetic vibration feeder is shortened, and the trouble brought to mine enterprises by the adjustment of the resonance index of the electromagnetic vibration feeder is solved.
Description
Technical Field
The utility model relates to an electromagnetic vibration batcher technical field, concretely relates to electromagnetic vibration batcher resonance adjustment structure for the broken feed of mine enterprise's ore.
Background
An electromagnetic vibratory feeder for ore crushing in ore enterprises is a mechanical device which utilizes an electromagnetic vibrator to drive a feeding trough to do periodic reciprocating vibration along a certain direction so as to realize continuous and uniform feeding of ore crushing; in order to ensure the best working efficiency of the electromagnetic vibration feeder, the resonance index of the electromagnetic vibration feeder is usually adjusted to be 0.9, so that the electromagnetic vibration feeder is in a low critical near resonance state; however, with the increase of the working time of the electromagnetic vibration feeder, the rigidity of the plate spring group changes, and the resonance index of the electromagnetic vibration feeder deviates from 0.9, so that the current and the amplitude of the electromagnetic vibration feeder are increased during actual working, and therefore, the working efficiency is greatly reduced, the energy consumption is increased, the material conveying is unstable, the electromagnetic vibration feeder cannot normally work more seriously, and the electromagnetic vibration feeder has to be stopped for maintenance and adjustment; however, the resonance index of the electromagnetic vibration feeder is abnormally complicated to adjust: when the resonance index is adjusted, firstly, a jacking bolt of a plate spring group is screwed down, a positioning bolt of a connecting fork for assembly is loosened, then a power supply is switched on, a knob of a potentiometer is adjusted, current is gradually increased, and meanwhile, the amplitude shown by an amplitude indication board is observed; the operation is repeated until the amplitude and the current reach rated values, so that the maintenance and adjustment time of the electromagnetic vibrating feeder is too long each time, and great trouble is brought to the normal production of mine enterprises.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the background art, the utility model discloses a resonance adjusting structure of an electromagnetic vibration feeder, which is characterized in that a magnetic spring pair is additionally arranged between an armature and the bottom surface of a driver shell on the basis of the structure of the original electromagnetic vibration feeder; when the resonance index of the electromagnetic vibration feeder deviates from the optimal value along with the increase of the working time of the electromagnetic vibration feeder, the adjustment of the resonance index of the electromagnetic vibration feeder can be realized only by adjusting the rigidity of the magnetic spring pair without dismounting and mounting and adjusting the plate spring set, so that the maintenance and adjustment time of the electromagnetic vibration feeder is shortened, and the trouble brought to mine enterprises by the adjustment of the resonance index of the electromagnetic vibration feeder is solved.
A resonance adjustment structure of an electromagnetic vibration feeder comprises a driver and a feeding groove, wherein an electromagnet is fixedly arranged at the bottom of a driver shell, a coupling fork is fixedly arranged at the bottom of the feeding groove, and the coupling fork is connected with the driver shell through a plate spring group; the bottom of the coupling fork is fixedly provided with an armature, and a gap of 5-7mm is arranged between the armature and the electromagnet; a plurality of magnetic spring pairs are arranged between the armature and the bottom surface of the driver shell.
Furthermore, the magnetic spring pair comprises a fixed magnetic spring component and an adjustable magnetic spring component; the fixed magnetic spring assembly is fixedly arranged on the armature, and the adjustable magnetic spring assembly is arranged on the bottom surface of the driver shell; magnets with the same polarities repelling each other are arranged between the fixed magnetic spring assembly and the adjustable magnetic spring assembly, and the magnets with the same polarities repelling each other between the fixed magnetic spring assembly and the adjustable magnetic spring assembly are utilized to form the magnetic spring.
Furthermore, the fixed magnetic spring assembly comprises a magnet fixing seat A, a permanent magnet A and a connecting sleeve A, wherein the connecting sleeve A is fixedly arranged on the armature, and the magnet fixing seat A is fixedly connected with the connecting sleeve A; the permanent magnet A is fixedly arranged at the lower part of the magnet fixing seat A; the adjustable magnetic spring assembly comprises a magnet fixing seat B, a permanent magnet B and a connecting sleeve B, wherein the connecting sleeve B is fixedly arranged at the bottom of the driver shell, and the magnet fixing seat B is connected with the connecting sleeve B and locked by a nut; the permanent magnet B is fixedly arranged on the upper part of the magnet fixing seat B; the adjacent surfaces of the permanent magnet A and the permanent magnet B are set to have the same polarity, and the distance between the adjacent surfaces of the permanent magnet A and the permanent magnet B is set to be 6-9mm; the magnetic spring structure design changes the distance between the fixed magnetic spring assembly and the adjustable magnetic spring assembly through the adjustable magnetic spring assembly, thereby realizing the adjustment of the stiffness coefficient of the magnetic spring.
Preferably, the magnetic spring pair comprises a fixed magnetic spring component and an electrically adjustable magnetic spring component; the fixed magnetic spring assembly is fixedly arranged on the armature, and the electrically adjustable magnetic spring assembly is arranged on the bottom surface of the driver shell; magnets with same polarities repelling each other are arranged between the fixed magnetic spring assembly and the electric adjustable magnetic spring assembly.
Furthermore, the fixed magnetic spring assembly comprises a magnet fixing seat A, a permanent magnet A and a connecting sleeve A, wherein the connecting sleeve A is fixedly arranged on the armature, and the magnet fixing seat A is fixedly connected with the connecting sleeve A; the permanent magnet A is fixedly arranged at the lower part of the magnet fixing seat A; the electrically adjustable magnetic spring assembly comprises an electromagnet fixing seat, an electromagnet and an electromagnet connecting sleeve, the electromagnet connecting sleeve is fixedly arranged at the bottom of the driver shell, and the electromagnet fixing seat is connected with the electromagnet connecting sleeve; the electromagnet is fixedly arranged on the upper part of the electromagnet fixing seat; magnetism is generated in the electromagnet through direct current, and the adjacent surfaces of the electromagnet and the permanent magnet A are set to have the same polarity; the structural design of the magnetic spring changes the magnetic field intensity between the fixed magnetic spring assembly and the electrically adjustable magnetic spring assembly by adjusting the intensity of direct current flowing through the electromagnet, thereby realizing the adjustment of the stiffness coefficient of the magnetic spring.
Furthermore, a magnetic isolation material is arranged between the fixed magnetic spring assembly and the armature; and magnetic isolation materials are arranged among the adjustable magnetic spring assembly, the electrically adjustable magnetic spring assembly and the driver shell.
Furthermore, the electromagnet is U-shaped or linear.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a resonance adjusting structure of an electromagnetic vibration feeder, which is characterized in that a magnetic spring pair is additionally arranged between an armature and the bottom surface of a driver shell on the basis of the structure of the original electromagnetic vibration feeder; when the resonance index of the electromagnetic vibration feeder deviates from the optimal value along with the increase of the working time of the electromagnetic vibration feeder, the adjustment of the resonance index of the electromagnetic vibration feeder can be realized only by adjusting the distance of the magnetic spring pairs or adjusting the magnetic field intensity between the magnetic spring pairs without dismounting and mounting and adjusting the plate spring groups, so that the maintenance and adjustment time of the electromagnetic vibration feeder is shortened, and the trouble brought to mine enterprises by the adjustment of the resonance index of the electromagnetic vibration feeder is solved.
Drawings
FIG. 1 is a schematic diagram of a resonance adjustment structure of a mechanical adjustment type electromagnetic vibration feeder;
FIG. 2 is a schematic diagram of a resonance adjustment structure of the electric adjustment type electromagnetic vibrating feeder;
FIG. 3 is a schematic view of a fixed magnetic spring assembly;
FIG. 4 is a schematic view of an adjustable magnetic spring assembly;
fig. 5 is a schematic diagram of an electrically adjustable magnetic spring assembly.
In the figure: 1. an armature; 2. an electromagnet; 3. a magnetic spring pair; 3.1, fixing the magnetic spring assembly; 3.1.1, a magnet fixing seat A;3.1.2, permanent magnet A;3.1.3, connecting a sleeve A;3.2, an adjustable magnetic spring assembly; 3.2.1, a magnet fixing seat B;3.2.2, a permanent magnet B;3.2.3, connecting a sleeve B;3.3, an electrically adjustable magnetic spring assembly; 3.3.1, electromagnet fixing seats; 3.3.2, an electromagnet; 3.3.3, connecting the electromagnet with the sleeve; 4. a coupling fork; 5. a plate spring set; 6. a feeding trough; 7. a driver housing.
Detailed Description
The invention will be explained in more detail by the following examples, the purpose of which is to protect all the technical improvements within the scope of the invention.
The resonance adjustment structure of the electromagnetic vibrating feeder provided by the embodiment is an improvement based on the structure of the electromagnetic vibrating feeder used by the existing mine enterprises, two magnetic spring pairs 3 are symmetrically arranged between an armature 1 and the bottom surface of a driver shell 7, and a composite elastic structure of a plate spring group 5 and the magnetic spring pairs 3 is formed; for the newly designed electromagnetic vibrating feeder, the original plate spring group 5 can be eliminated, the number of the magnetic spring pairs 3 is increased, and meanwhile, a guide structure is added between the connecting fork 4 and the driver shell 7, so that the electromagnetic vibrating feeder with the full magnetic spring pairs 3 is formed;
the magnetic spring pair 3 comprises a fixed magnetic spring component 3.1 and an adjustable magnetic spring component 3.2;
the fixed magnetic spring component 3.1 comprises a magnet fixing seat A3.1.1, a permanent magnet A3.1.2 and a connecting sleeve A3.1.3; the connecting sleeve A3.1.3 is a circular sleeve with a flange, the middle part is a threaded hole, the armature 1 is provided with a through hole matched with the connecting sleeve A3.1.3, the connecting sleeve A3.1.3 penetrates through the through hole of the armature 1 and is fixedly connected with the armature 1 through the flange, and the flange is arranged on the upper end face of the armature 1; the magnet fixing seat A3.1.1 comprises a threaded rod and a fixing seat arranged at the upper part of the threaded rod, the fixing seat can be planar and can also be provided with a counter bore, the magnet fixing seat A3.1.1 is connected with a threaded hole of the connecting sleeve A3.1.3 through the threaded rod and is locked through a nut, and the fixing seat at the upper part of the threaded rod is arranged on the lower end surface of the armature 1; the permanent magnet A3.1.2 can be selected from a circular sheet shape, a short cylindrical shape, a cube or a U shape and is fixedly bonded at the lower part of the magnet fixing seat A3.1.1 through viscose; in this embodiment, the permanent magnets a3.1.2 are all described as short cylinders, and those skilled in the art can determine other structural forms by themselves during the specific structural design, which is not described herein again;
the adjustable magnetic spring component 3.2 comprises a magnet fixing seat B3.2.1, a permanent magnet B3.2.2 and a connecting sleeve B3.2.3; the connecting sleeve B3.2.3 and the connecting sleeve A3.1.3 have the same structure (different sizes), a through hole for mounting the connecting sleeve B3.2.3 is processed at the bottom of the driver shell 7, the connecting sleeve B3.2.3 penetrates through the through hole of the driver shell 7 and is fixedly connected with the driver shell 7 through a flange, and the flange is arranged on the lower end face of the driver shell 7; the structure of the magnet fixing seat B3.2.1 is basically the same as that of the magnet fixing seat A3.1.1, compared with the magnet fixing seat A3.1.1, a square head convenient for wrench operation is processed at the end part of a threaded rod of the magnet fixing seat B3.2.1, the magnet fixing seat B3.2.1 is connected with a threaded hole of the connecting sleeve B3.2.3 through the threaded rod and locked through a nut, the fixing seat at the upper part of the threaded rod is arranged inside the driver shell 7, a gap (convenient for bidirectional adjustment) is arranged between the lower end face of the fixing seat and the upper end face of the driver shell 7, and the locking nut is arranged outside the driver shell 7; the permanent magnet B3.2.2 can be selected from a circular sheet shape or a short cylindrical shape and is fixedly bonded on the upper part of the magnet fixing seat B3.2.1 through viscose;
the adjacent surfaces of the permanent magnet A3.1.2 and the permanent magnet B3.2.2 are set to be the same magnetic poles, so that repulsive magnetic force exists between the fixed magnetic spring component 3.1 and the adjustable magnetic spring component 3.2;
when the resonance index of the electromagnetic vibrating feeder needs to be adjusted, firstly, a locking nut of a magnet fixing seat B3.2.1 arranged outside the driver shell 7 is loosened, then, a wrench is used for rotating the magnet fixing seat B3.2.1, and the distance between the permanent magnet B3.2.2 and the permanent magnet A3.1.2 is adjusted, so that the rigidity coefficient of the magnetic spring pair 3 is changed; when the electromagnetic vibration feeder adopting the structure is used for adjusting the resonance index, the plate spring group 5 does not need to be adjusted by increasing or reducing the number of plate springs, and meanwhile, the rigidity coefficient of the electromagnetic vibration feeder is adjusted bidirectionally and continuously, so that the adjustment step of the resonance index of the electromagnetic vibration feeder is greatly simplified, and the adjustment time is greatly shortened.
The other structure of the magnetic spring pair 3 comprises a fixed magnetic spring component 3.1 and an electrically adjustable magnetic spring component 3.3; the structure of the fixed magnetic spring assembly 3.1 is the same as that of the previous embodiment, and is not described again here;
the electrically adjustable magnetic spring assembly 3.3 comprises an electromagnet fixing seat 3.3.1, an electromagnet 3.3.2 and an electromagnet connecting sleeve 3.3.3; the electromagnet fixing seat 3.3.1 and the magnet fixing seat B3.2.1 are basically the same in structure, and compared with the magnet fixing seat B3.2.1, the end part of the threaded rod of the electromagnet fixing seat 3.3.1 is not provided with a square head structure; the electromagnet connecting sleeve 3.3.3 and the connecting sleeve B3.2.3 have the same structure (different sizes), and are not described again; the electromagnet 3.3.2 can be in a U shape or a linear shape, the specific selection type of the electromagnet needs to be matched with the selection type of the permanent magnet A3.1.2, and in the embodiment, the electromagnet is in a linear shape, namely a conducting wire is wound on the outer circumference of a short cylindrical magnetic core; in this embodiment, the fixing seat of the electromagnet fixing seat 3.3.1 adopts a counter bore structure, and the electromagnet 3.3.2 is arranged in the counter bore of the fixing seat and fixed by potting epoxy resin; the magnetic property is generated in the wire wound by the electromagnet 3.3.2 through direct current, and the adjacent surfaces of the electromagnet 3.3.2 and the permanent magnet A3.1.2 are set to have the same polarity;
when the electromagnetic vibration feeder with the structure is used for adjusting the resonance index, the intensity of the magnetic field between the electromagnet 3.3.2 and the permanent magnet A3.1.2 can be changed by only changing the direct current passing through the wire wound by the electromagnet 3.3.2, so that the purpose of changing the rigidity coefficient of the magnetic spring pair 3 is achieved; the electromagnetic vibration feeder with the structure can be further connected with a control system, so that the resonance coefficient of the electromagnetic vibration feeder in the production process can be adjusted.
In order to prevent the magnetic leakage of the magnetic spring pair 3, a magnetic isolation material is arranged between the fixed magnetic spring component 3.1 and the armature 1; magnetic isolation materials are arranged between the adjustable magnetic spring component 3.2, the electrically adjustable magnetic spring component 3.3 and the driver shell 7; a magnetic isolation material is arranged between the electromagnet 3.3.2 and the electromagnet fixing seat 3.3.1.
The part of the utility model not detailed is prior art.
Claims (7)
1. A resonance adjustment structure of an electromagnetic vibration feeder comprises a driver and a feeding groove (6), wherein an electromagnet (2) is fixedly arranged at the bottom of a driver shell (7), a connecting fork (4) is fixedly arranged at the bottom of the feeding groove (6), and the connecting fork (4) is connected with the driver shell (7) through a plate spring set (5); the bottom of the connecting fork (4) is fixedly provided with an armature (1), and a gap of 5-7mm is arranged between the armature (1) and the electromagnet (2); the method is characterized in that: a plurality of magnetic spring pairs (3) are arranged between the armature (1) and the bottom surface of the driver shell (7).
2. The resonance adjustment structure of the electromagnetic vibration feeder according to claim 1, characterized in that: the magnetic spring pair (3) comprises a fixed magnetic spring component (3.1) and an adjustable magnetic spring component (3.2); the fixed magnetic spring component (3.1) is fixedly arranged on the armature (1), and the adjustable magnetic spring component (3.2) is arranged on the bottom surface of the driver shell (7); magnets with same polarities repelling each other are arranged between the fixed magnetic spring assembly (3.1) and the adjustable magnetic spring assembly (3.2).
3. The electromagnetic vibration feeder resonance adjustment structure of claim 2, characterized in that: the fixed magnetic spring assembly (3.1) comprises a magnet fixing seat A (3.1.1), a permanent magnet A (3.1.2) and a connecting sleeve A (3.1.3), wherein the connecting sleeve A (3.1.3) is fixedly arranged on the armature (1), and the magnet fixing seat A (3.1.1) is fixedly connected with the connecting sleeve A (3.1.3); the permanent magnet A (3.1.2) is fixedly arranged at the lower part of the magnet fixing seat A (3.1.1);
the adjustable magnetic spring assembly (3.2) comprises a magnet fixing seat B (3.2.1), a permanent magnet B (3.2.2) and a connecting sleeve B (3.2.3), wherein the connecting sleeve B (3.2.3) is fixedly arranged at the bottom of the driver shell (7), and the magnet fixing seat B (3.2.1) is connected with the connecting sleeve B (3.2.3) and locked by a nut; the permanent magnet B (3.2.2) is fixedly arranged at the upper part of the magnet fixing seat B (3.2.1);
the adjacent surfaces of the permanent magnet A (3.1.2) and the permanent magnet B (3.2.2) are set to have the same polarity.
4. The resonance adjustment structure of the electromagnetic vibration feeder according to claim 1, characterized in that: the magnetic spring pair (3) comprises a fixed magnetic spring component (3.1) and an electrically adjustable magnetic spring component (3.3); the fixed magnetic spring component (3.1) is fixedly arranged on the armature (1), and the electrically adjustable magnetic spring component (3.3) is arranged on the bottom surface of the driver shell (7); magnets with the same polarity repelling each other are arranged between the fixed magnetic spring component (3.1) and the electrically adjustable magnetic spring component (3.3).
5. The resonance adjustment structure of the electromagnetic vibration feeder according to claim 4, characterized in that: the fixed magnetic spring assembly (3.1) comprises a magnet fixing seat A (3.1.1), a permanent magnet A (3.1.2) and a connecting sleeve A (3.1.3), wherein the connecting sleeve A (3.1.3) is fixedly arranged on the armature (1), and the magnet fixing seat A (3.1.1) is fixedly connected with the connecting sleeve A (3.1.3); the permanent magnet A (3.1.2) is fixedly arranged at the lower part of the magnet fixing seat A (3.1.1);
the electrically adjustable magnetic spring assembly (3.3) comprises an electromagnet fixing seat (3.3.1), an electromagnet (3.3.2) and an electromagnet connecting sleeve (3.3.3), wherein the electromagnet connecting sleeve (3.3.3) is fixedly arranged at the bottom of the driver shell (7), and the electromagnet fixing seat (3.3.1) is connected with the electromagnet connecting sleeve (3.3.3); the electromagnet (3.3.2) is fixedly arranged on the upper part of the electromagnet fixing seat (3.3.1);
magnetism is generated in the electromagnet (3.3.2) through direct current, and the adjacent surfaces of the electromagnet (3.3.2) and the permanent magnet A (3.1.2) are set to be in the same polarity.
6. The resonance adjustment structure of the electromagnetic vibration feeder according to claim 3 or 5, characterized in that: a magnetism isolating material is arranged between the fixed magnetic spring component (3.1) and the armature iron (1); and magnetic isolation materials are arranged among the adjustable magnetic spring component (3.2), the electric adjustable magnetic spring component (3.3) and the driver shell (7).
7. The resonance adjusting structure of the electromagnetic vibration feeder according to claim 5, characterized in that: the electromagnet (3.3.2) is U-shaped or linear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222085843.9U CN218167321U (en) | 2022-08-09 | 2022-08-09 | Resonance adjusting structure of electromagnetic vibration feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222085843.9U CN218167321U (en) | 2022-08-09 | 2022-08-09 | Resonance adjusting structure of electromagnetic vibration feeder |
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| Publication Number | Publication Date |
|---|---|
| CN218167321U true CN218167321U (en) | 2022-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222085843.9U Active CN218167321U (en) | 2022-08-09 | 2022-08-09 | Resonance adjusting structure of electromagnetic vibration feeder |
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|---|---|
| CN (1) | CN218167321U (en) |
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- 2022-08-09 CN CN202222085843.9U patent/CN218167321U/en active Active
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