CN114405341A - Powder double-motion mixing device with alloy magnetic powder core - Google Patents
Powder double-motion mixing device with alloy magnetic powder core Download PDFInfo
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- CN114405341A CN114405341A CN202210081956.3A CN202210081956A CN114405341A CN 114405341 A CN114405341 A CN 114405341A CN 202210081956 A CN202210081956 A CN 202210081956A CN 114405341 A CN114405341 A CN 114405341A
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Abstract
The invention relates to the field of mixing devices, in particular to a powder double-motion mixing device of an alloy magnetic powder core, which comprises a power output part and a power transmission part, wherein the power output part is connected with the power transmission part; a mixing unit for receiving power of the power transmission part and realizing double movement; the power output part realizes the rotation of the mixing unit along the horizontal axis through the power transmission part; the mixing unit comprises a mixing cylinder, a self-rotating shaft, a rotary stirring part and a building block type shearing combination part; the mixing cylinder comprises a central cylinder body and a conical cylinder body; the central cylinder is formed by welding and enclosing two horizontal plates and two arc-shaped plates; the inner surfaces of the two horizontal plates are fixed with wear-resistant crushing plates; the outer surface of the wear-resistant crushing plate is covered with a reversed pyramid groove. Under the rotary spiral motion of the rotary stirring part and the synergistic effect of the building block type shearing combination part on the matching and autorotation rotating shaft, the granularity uniformity and the material mixing effect of the alloy magnetic powder core are improved.
Description
Technical Field
The invention relates to the field of mixing devices, in particular to a powder double-motion mixing device of an alloy magnetic powder core.
Background
The magnetic powder core material in the market is a composite soft magnetic material formed by mixing and pressing ferromagnetic powder and an insulating medium. The magnetic powder comprises Fe, Fe-Ni-Mo, Fe-Si-Al metal powder and amorphous and nanocrystalline alloy powder, and the insulating coating agent can be mainly divided into an organic coating agent and an inorganic coating agent. The pressing mode mainly comprises cold pressing, warm pressing, vacuum hot pressing, two-step pressing, die wall lubrication pressing and the like. The magnetic material has the advantages of higher saturation magnetic induction intensity, high resistance, good frequency characteristic, low high-frequency loss, high-width constant magnetic conductivity and constant magnetic conductivity.
At present, a stirring device is arranged in magnetic powder core mixing equipment in the market, such as a cone machine or the inside of the magnetic powder core mixing equipment, and powder of an alloy magnetic powder core is stirred and sheared and mixed through the rotation of the stirring device. Because the stirring barrel is statically arranged, a mixing dead angle is inevitably formed in the stirring barrel, and the mixing effect of the powder of the alloy magnetic powder core added with trace elements is poor, the mixing uniformity is not high, and the mixing efficiency is low; especially, different powders are fully uniform from particle to particle in a microscopic range; the mixing equipment and the process on the market at present can not achieve the ideal mixing purpose.
In view of this, the present application is specifically made.
Disclosure of Invention
The invention provides a powder double-motion mixing device of an alloy magnetic powder core, which comprises a power output part and a power transmission part, wherein the power output part is connected with the power transmission part; a mixing unit for receiving power of the power transmission part and realizing double movement; the power output part realizes the rotation of the mixing unit along the horizontal axis through the power transmission part; the mixing unit comprises a mixing cylinder, a self-rotating shaft, a rotary stirring part and a building block type shearing combination part; the mixing cylinder comprises a central cylinder body and a conical cylinder body; the central cylinder is formed by welding and enclosing two horizontal plates and two arc-shaped plates; the inner surfaces of the two horizontal plates are fixed with wear-resistant crushing plates; the outer surface of the wear-resistant crushing plate is covered with a reversed pyramid groove. Through the arrangement, the problem that the magnetic powder core mixing equipment in the current market is approximately like a cone machine or an internal stirring device is solved, and the powder of the alloy magnetic powder core is stirred and sheared and mixed through the rotation of the stirring device. Meanwhile, due to the static arrangement of the stirring barrel, a mixing dead angle is inevitably formed in the stirring barrel, and the powder mixing effect of the alloy magnetic powder core added with trace elements is poor, the mixing uniformity is not high, and the mixing efficiency is low; especially the problem that different powders need to be sufficiently uniform from particle to particle in the microscopic range.
The embodiment of the invention is realized by the following steps:
a powder double-motion mixing device of an alloy magnetic powder core comprises a power output part and a power transmission part; a mixing unit receiving the power of the power transmission part and realizing dual motion;
the power output part realizes the rotation of the mixing unit along a horizontal axis through the power transmission part;
the mixing unit comprises a mixing barrel, an autorotation rotating shaft arranged in the mixing barrel, a rotary stirring part arranged on the autorotation rotating shaft in a surrounding way, and a building block type shearing combination part sleeved on the autorotation rotating shaft;
the mixing cylinder comprises a central cylinder body and conical cylinder bodies arranged at two ends of the central cylinder body;
the central cylinder is formed by welding and enclosing two horizontal plates and two arc-shaped plates;
the inner surfaces of the two horizontal plates are fixed with wear-resistant crushing plates;
the outer surface of the wear-resistant crushing plate is covered with a reverse gold tower groove.
Further, the modular shear assembly includes a first shear located within the central cylinder interior region and a second shear located within the cone;
the first shearing part is formed by alternately superposing a plurality of shearing blocks a with different eccentricities; the shearing radius of the self-rotating shaft is gradually increased from the middle along the two sides of the center of the self-rotating shaft;
the second shearing part is formed by alternately superposing a plurality of shearing blocks b with different eccentricities; the shearing radius of the conical cylinder body is gradually reduced from the center along the opening direction of the conical cylinder body.
Further, the wear-resistant crushing plate is connected with the horizontal plate in a welding mode; and a trapezoidal tooth block 42 for crushing powder of the alloy magnetic powder core is formed between the adjacent reverse pyramid grooves.
Further, the power output part comprises a motor, a speed reducer, a coupling and a bearing seat;
the motor and the speed reducer are in power connection with the power transmission part through the coupler and the bearing seat.
Furthermore, the power transmission part comprises a first transmission gear sleeved on the horizontal axis and a second transmission gear sleeved on the rotation rotating shaft;
the first transmission gear and the second transmission gear are meshed for transmission.
Further, the angle between the inclined plane of the inverted pyramid groove and the vertical line is 15-30 degrees.
Furthermore, the outside cover of center barrel is equipped with the vibration box of sealed form, be equipped with at least a set of steel ball subassembly in the vibration box.
Further, the steel ball assembly comprises a first steel ball, a second steel ball and a chain connected to the first steel ball and the second steel ball.
Furthermore, connecting rings are arranged on the first steel ball and the second steel ball, and the connecting rings are fixedly connected with the first steel ball and the second steel ball; the chain is locked in the ring buckle of the connecting ring.
The technical scheme of the embodiment of the invention has the beneficial effects that:
the powder double-motion mixing device for the alloy magnetic powder core provided by the embodiment of the invention has the following technical effects:
(1) the powder of the alloy magnetic powder core to be mixed is subjected to multi-dimensional rolling mixing, left-right convection mixing and dead angle eliminating mixing macroscopically by utilizing the rotary motion of the mixing cylinder, so that the powder of the alloy magnetic powder core in the mixing cylinder is consistent; meanwhile, the rotation rotating shaft in the mixing drum drives the rotation stirring part and the building block type shearing combination part to rotate freely, the rotating speed is higher than the rotating speed of the mixing drum, powder of the alloy magnetic powder core in the mixing drum is forcibly sheared, homogenized and dispersedly mixed, and in microcosmic view, particles of the powder are enabled to be fully displaced and fine and uniform.
(2) The wear-resistant crushing plates are fixed on the inner surfaces of the two horizontal plates, under the action of the rotary motion of the mixing cylinder which macroscopically finishes multi-dimensional rolling mixing and left-right convection mixing of powder of the alloy magnetic powder core to be mixed, the wear-resistant crushing plates on the inner surfaces of the two horizontal plates and the powder of the alloy magnetic powder core in contact generate extrusion, impact and crushing actions, and the granularity of the powder of the alloy magnetic powder core is reduced; when the mixing cylinder rotates to another angle, the powder of the alloy magnetic powder core is guided to fall by the self gravity and the guidance of the adjacent inverted pyramid groove to continue to participate in the mixing and stirring work, and the falling alloy magnetic powder core is a trapezoidal tooth block formed between the inverted pyramid grooves; the wire contact extrusion crushing is carried out, meanwhile, the inverted pyramid groove can generate bending stress and extrusion force on the powder of the alloy magnetic powder core, and the powder of the alloy magnetic powder core is further crushed, so that the crushing effect is improved; the ultra-light powder and the ultra-fine powder formed by crushing can be coated and clamped in the main powder by the rotary stirring part and the superposition motion of the rotary mixing cylinder under the flow guiding effect of the inverted gold tower groove, so that the granularity uniformity and the material mixing effect of the alloy magnetic powder core are improved under the rotary spiral motion of the rotary stirring part and the synergistic effect of the building block type shearing combination part in the rotation rotating shaft in cooperation and after the ultra-light powder and the ultra-fine powder floating above the material are coated and clamped in the main powder.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic sectional view of a powder double-motion mixing device for an alloy magnetic powder core according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic structural view of a point A provided in the embodiment of the present invention;
FIG. 3 is a schematic diagram of an installation structure of a mixing unit and a vibration box provided in an embodiment of the present invention;
FIG. 4 is a schematic perspective view of a steel ball assembly according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a wear-resistant breaker plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of a portion of a wear-resistant breaker plate according to an embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "parallel," "perpendicular," and the like do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
The terms "substantially", "essentially", and the like are intended to indicate that the relative terms are not required to be absolutely exact, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and some deviation generally exists. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, the present embodiment provides a powder double-motion mixing device of an alloy magnetic powder core, which includes a power output part 1 and a power transmission part 2; a mixing unit 3 for receiving the power of the power transmission part 2 and realizing double movement; the power output part 1 realizes the rotation of the mixing unit 3 along the horizontal axis through the power transmission part 2; the mixing unit 3 comprises a mixing barrel 31, a rotation rotating shaft 32 arranged in the mixing barrel 31, a rotary stirring part 33 arranged on the rotation rotating shaft 32 in a surrounding way, and a building block type shearing combination part 34 sleeved on the rotation rotating shaft 32; the mixing cylinder 31 comprises a central cylinder 311, and conical cylinders 312 arranged at two ends of the central cylinder 311; the central cylinder 311 is formed by welding and enclosing two horizontal plates and two arc-shaped plates; ensuring the sealing performance and the reliability of the welding connection, wherein the inner surfaces of the two horizontal plates are fixed with wear-resistant crushing plates 4; wear-resisting crushing board 4 can be connected on central barrel 311 through the connected mode of countersunk head bolt and countersunk head screw hole, and the dismouting and the change in the later stage of being convenient for can accomplish the erection joint on the one hand in the purpose that sets up countersunk head bolt and countersunk head screw hole, and on the other hand can not influence wear-resisting crushing board 4's working face in mixing crushing work yet, has in addition in wear-resisting crushing board 4's apparent cover to have the fall gold tower recess 41. The detailed structure of the inverted pyramid-shaped recess 41 is shown in fig. 5 and 6. A trapezoidal tooth block 42 for crushing powder of the alloy magnetic powder core is formed between the adjacent reverse metal tower grooves 41; the root strength is high, meanwhile, the powder of the alloy magnetic powder core and the trapezoidal tooth block 42 are subjected to line contact extrusion crushing, the powder of the alloy magnetic powder core is more easily crushed, and the crushing effect is good.
More specifically, the specific working process of this embodiment is to analyze the powder of the alloy magnetic powder core, specifically to detect the specific gravity, fluidity, particle size, etc. of the powder of the alloy magnetic powder core, and scientifically set the mixing time according to the detection result; a feeding hole (not shown in the figure) of the mixing cylinder 31 is opened, the mixing cylinder 31 is arranged to clean the interior of the mixing cylinder so as to prevent impurities from entering powder of the alloy magnetic powder core during mixing, and a discharging hole is closed; feeding, namely feeding powder of the alloy magnetic powder core to be mixed into the mixing barrel 31 from the feeding hole, optimally filling 70-80% of the volume of the mixing barrel 31 with the powder of the alloy magnetic powder core, and closing the feeding hole; hybrid operation, in one embodiment, since the power output portion 1 includes the motor 11, the speed reducer 12, the coupling 13, the bearing housing 14; wherein, the motor 11 and the speed reducer 12 are in power connection with the power transmission part 2 through a coupling 13 and a bearing seat 14. Starting the motor 11, and performing multi-dimensional rolling mixing, left-right convection mixing and dead angle eliminating mixing on the powder of the alloy magnetic powder core to be mixed macroscopically by utilizing the rotary motion of the mixing cylinder 31 so as to make the powder of the alloy magnetic powder core in the mixing cylinder 31 consistent; meanwhile, the rotation rotating shaft 32 in the mixing drum 31 drives the rotation stirring part 33 and the building block type shearing combination part 34 to rotate freely, the rotating speed is higher than that of the mixing drum 31, powder of the alloy magnetic powder core in the mixing drum 31 is forcibly sheared, homogenized and dispersedly mixed, and in microcosmic view, particles of the powder are enabled to be fully displaced and fine and uniform.
Referring to fig. 1, 2 and 5, the wear-resistant crushing plates 4 are fixed on the inner surfaces of the two horizontal plates, and under the action of the rotation motion of the mixing cylinder 31 which macroscopically performs multi-dimensional rolling mixing and left-right convection mixing of the powder of the alloy magnetic powder core to be mixed, the wear-resistant crushing plates 4 on the inner surfaces of the two horizontal plates generate extrusion, impact and crushing actions with the powder of the alloy magnetic powder core in contact, so that the particle size of the powder of the alloy magnetic powder core is reduced; when the mixing cylinder 31 rotates to another angle, the powder of the alloy magnetic powder core is guided to fall by the self gravity and the guidance of the adjacent inverted pyramid groove 41 to continue to participate in the mixing and stirring work, and it is noted that the falling alloy magnetic powder core passes through the trapezoidal tooth blocks 42 formed between the inverted pyramid grooves 41; the line contact extrusion crushing is carried out, meanwhile, the inverted metal tower groove 41 can generate bending stress and extrusion force on the powder of the alloy magnetic powder core, and the powder of the alloy magnetic powder core is further crushed, so that the crushing effect is improved; the ultra-light powder and the ultra-fine powder formed by crushing can be coated and clamped in the main powder by the rotary stirring part 33 and the superposition motion of the rotary mixing barrel under the guide action of the inverted-gold-seed tower groove 41, and then the ultra-light powder and the ultra-fine powder floating above the material can be improved in granularity uniformity and mixing effect of the alloy magnetic powder core under the rotary spiral motion of the rotary stirring part 33 and the synergistic effect of the building block type shearing combination part 34 on the rotation rotating shaft 32.
Through the arrangement, the problem that the magnetic powder core mixing equipment in the current market is approximately like a cone machine or an internal stirring device is solved, and the powder of the alloy magnetic powder core is stirred and sheared and mixed through the rotation of the stirring device. Meanwhile, due to the static arrangement of the stirring barrel, a mixing dead angle is inevitably formed in the stirring barrel, and the powder mixing effect of the alloy magnetic powder core added with trace elements is poor, the mixing uniformity is not high, and the mixing efficiency is low; especially the problem that different powders need to be sufficiently uniform from particle to particle in the microscopic range.
In one embodiment, the modular shear combiner 34 includes a first shear 341 located in an interior region of the central cylinder 311 and a second shear 342 located in an interior region of the conical cylinder 312;
the first shearing portion 341 is formed by alternately stacking a plurality of shearing blocks a3411 with different eccentricities; the shearing radius of the self-rotating shaft is gradually increased from the middle along the two sides of the center of the self-rotating shaft 32;
the second shearing part 342 is formed by alternately superposing a plurality of shearing blocks b3421 with different eccentricities; the shearing radius gradually decreases from the center along the opening direction of the conical cylinder 312.
Specifically, the first shearing portion 341 is formed by alternately stacking several shearing blocks a3411 with different eccentricities; the shearing radius of the self-rotating shaft is gradually increased from the middle along the two sides of the center of the self-rotating shaft 32; the second shearing part 342 is formed by alternately superposing a plurality of shearing blocks b3421 with different eccentricities; the shearing radius gradually decreases from the center along the opening direction of the conical cylinder 312. The powder of the alloy magnetic powder core is subjected to rotary cutting effect from the center to two ends in the mixing unit 3, namely the powder of the alloy magnetic powder core in space flow can be subjected to multi-directional shearing at the maximum and at an angle, namely the shearing area and the shearing frequency are increased, so that the powder close to the autorotation rotating shaft 32 can be quickly sheared and stirred, and the powder of the alloy magnetic powder core can be converted, staggered and continuously mixed. The shearing blocks with different eccentricities are of a building block type splicing mechanical design structure, and the shearing blocks can be quickly replaced and adjusted according to the adjustment requirements of production processes of products with different specifications.
In one embodiment, the wear-resistant breaker plate 4 is welded to the horizontal plate; trapezoidal tooth blocks 42 for crushing powder of the alloy magnetic powder core are formed between the adjacent inverted pyramid grooves 41. The root strength is high, meanwhile, the powder of the alloy magnetic powder core and the trapezoidal tooth block 42 are subjected to line contact extrusion crushing, the powder of the alloy magnetic powder core is more easily crushed, and the crushing effect is good.
In one embodiment, the power output portion 1 includes a motor 11, a speed reducer 12, a coupling 13, a bearing housing 14; the motor 11 and the speed reducer 12 are power-connected to the power transmission unit 2 through a coupling 13 and a bearing housing 14.
In one embodiment, the power transmission part 2 comprises a first transmission gear 21 sleeved on the horizontal axis, a second transmission gear 22 sleeved on the rotation axis 32; the first transmission gear 21 and the second transmission gear 22 are in meshed transmission with each other. Due to the fact that one power is adopted, two motion mechanisms can act on the materials to be mixed at the same time, mixing quality is improved, mixing efficiency is improved, energy consumption is greatly reduced, and production cost is reduced.
In one embodiment, the bevel of the inverted pyramid groove 41 is at an angle of 15 ° to 30 ° from vertical. The reasonable tooth crest spacing distribution of the trapezoidal tooth blocks 42 formed between the inverted pyramid grooves 41 is ensured, the bending stress at the tooth edges of the trapezoidal tooth blocks 42 is reduced under the action of ensuring the crushing effect and the tooth surface strength, and the strength and the rigidity of the wear-resistant crushing plate 4 are improved.
In one embodiment, the outside of the central cylinder 311 is sleeved with a sealed vibration box 5, and at least one set of steel ball assemblies 6 is arranged in the vibration box 5.
In one embodiment, steel ball assembly 6 includes a first steel ball 61, a second steel ball 62, and a chain 63 connected to first steel ball 61 and second steel ball 62. Wherein first steel ball 61, second steel ball 62 and chain 63 are along with the rotation of vibration box 5, and first steel ball 61 and second steel ball 62 can constantly be beaten and beat up to arouse first steel ball 61, the vibration of second steel ball 62, and strike to carrying out the vibration of continuation in the mixing drum 31, the shock ripples of production can shake off mixing drum 31 surface adhesion's alloy magnetic powder core's powder, prevents the difficult problem of clearing up of powder that appears alloy magnetic powder core. In addition, in one embodiment, the first steel ball 61 and the second steel ball 62 are provided with a connecting ring 7, and the connecting ring 7 is fixedly connected with the first steel ball 61 and the second steel ball 62; the connecting ring 7 is locked in the ring buckle of the connecting ring 7. First steel ball 61 and/or second steel ball 62 are solid or hollow. The diameters of the two can be the same or different. So that the first steel ball 61 and the second steel ball 62 are formed with steel balls of the same mass or different masses, and the raw materials inside can be vibrated to different degrees in the mixing process. The aim of completely dispersing different alloy magnetic powder cores after the powder is dispersed in different time periods can be achieved, and the production of the alloy magnetic powder core powder is met.
Moreover, because the effect of dragging of go-between 7 and chain 63 has restricted the state of steel ball free motion to a certain extent, can the relative concentrated effect of the vibrational force that the weight loss striking produced promptly in a certain region to improve the effect of vibration blanking, wherein setting up of chain 63 also can carry out linear vibration to steel ball line box region, thereby also can improve the blanking effect.
In a word, through the arrangement, the rotary motion of the mixing cylinder is utilized to macroscopically complete multi-dimensional rolling mixing, left-right convection mixing and dead angle elimination mixing on the powder of the alloy magnetic powder core to be mixed, so that the powder of the alloy magnetic powder core in the mixing cylinder is consistent; meanwhile, the rotation rotating shaft in the mixing drum drives the rotation stirring part and the building block type shearing combination part to rotate freely, the rotating speed is higher than the rotating speed of the mixing drum, powder of the alloy magnetic powder core in the mixing drum is forcibly sheared, homogenized and dispersedly mixed, and in microcosmic view, particles of the powder are enabled to be fully displaced and fine and uniform. Secondly, the wear-resistant crushing plates are fixed on the inner surfaces of the two horizontal plates, the rotary motion of the mixing cylinder is under the action of multi-dimensional rolling mixing and left-right convection mixing of powder of the alloy magnetic powder core to be mixed macroscopically, the wear-resistant crushing plates on the inner surfaces of the two horizontal plates and the powder of the alloy magnetic powder core in contact generate extrusion, impact and crushing effects, and the granularity of the powder of the alloy magnetic powder core is reduced; when the mixing cylinder rotates to another angle, the powder of the alloy magnetic powder core is guided to fall by the self gravity and the guidance of the adjacent inverted pyramid groove to continue to participate in the mixing and stirring work, and the falling alloy magnetic powder core is a trapezoidal tooth block formed between the inverted pyramid grooves; the wire contact extrusion crushing is carried out, meanwhile, the inverted pyramid groove can generate bending stress and extrusion force on the powder of the alloy magnetic powder core, and the powder of the alloy magnetic powder core is further crushed, so that the crushing effect is improved; the ultra-light powder and the ultra-fine powder formed by crushing can be coated and clamped in the main powder by the rotary stirring part and the superposition motion of the rotary mixing cylinder under the flow guiding effect of the inverted gold tower groove, so that the granularity uniformity and the material mixing effect of the alloy magnetic powder core are improved under the rotary spiral motion of the rotary stirring part and the synergistic effect of the building block type shearing combination part in the rotation rotating shaft in cooperation and after the ultra-light powder and the ultra-fine powder floating above the material are coated and clamped in the main powder.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a powder double movement mixing arrangement of alloy magnetic powder core which characterized in that:
comprises a power output part (1) and a power transmission part (2); a mixing unit (3) which receives the power of the power transmission part (2) and realizes double movement;
the power output part (1) realizes the rotation of the mixing unit (3) along the horizontal axis through the power transmission part (2);
the mixing unit (3) comprises a mixing barrel (31), a rotation rotating shaft (32) arranged in the mixing barrel (31), a rotary stirring part (33) arranged on the rotation rotating shaft (32) in a surrounding manner, and a building block type shearing combination part (34) sleeved on the rotation rotating shaft (32);
the mixing cylinder (31) comprises a central cylinder body (311) and conical cylinder bodies (312) arranged at two ends of the central cylinder body (311);
the central cylinder (311) is formed by welding and enclosing two horizontal plates and two arc-shaped plates;
the inner surfaces of the two horizontal plates are fixed with wear-resistant crushing plates (4);
the outer surface of the wear-resistant crushing plate (4) is covered with a reversed pyramid groove (41).
2. The double-motion powder mixing device for the alloy magnetic powder core according to claim 1, characterized in that:
the modular shear assembly (34) includes a first shear (341) located within the central cylinder (311) and a second shear (342) located within the conical cylinder (312);
the first shearing part (341) is formed by alternately superposing a plurality of shearing blocks a (3411) with different eccentricities; the shearing radius of the self-rotating shaft (32) is gradually increased from the middle along the two sides of the center of the self-rotating shaft;
the second shearing part (342) is formed by alternately superposing a plurality of shearing blocks b (3421) with different eccentricities; the shearing radius of the conical cylinder body (312) is gradually reduced from the center along the opening direction of the conical cylinder body.
3. The double-motion powder mixing device for the alloy magnetic powder core according to claim 1, characterized in that:
the wear-resistant crushing plate (4) is welded with the horizontal plate; trapezoidal tooth blocks 42(42) for crushing powder of the alloy magnetic powder core are formed between the adjacent inverted pyramid grooves (41).
4. The double-motion powder mixing device for the alloy magnetic powder core according to claim 1, characterized in that:
the power output part (1) comprises a motor (11), a speed reducer (12), a coupler (13) and a bearing seat (14);
the motor (11) and the speed reducer (12) are in power connection with the power transmission part (2) through the coupler (13) and the bearing seat (14).
5. The double-motion powder mixing device for the alloy magnetic powder core according to claim 1, characterized in that:
the power transmission part (2) comprises a first transmission gear (21) sleeved on the horizontal axis and a second transmission gear (22) sleeved on the rotation rotating shaft (32);
the first transmission gear (21) and the second transmission gear (22) are in meshed transmission with each other.
6. The double-motion powder mixing device for the alloy magnetic powder core according to claim 3, characterized in that:
the angle between the inclined plane of the inverted pyramid groove (41) and the vertical line is 15-30 degrees.
7. The double-motion powder mixing device for the alloy magnetic powder core according to claim 1, characterized in that:
the outside cover of center barrel (311) is equipped with sealed form vibration box (5), be equipped with at least a set of steel ball subassembly (6) in vibration box (5).
8. The double-motion powder mixing device for the alloy magnetic powder core according to claim 7, wherein:
the steel ball assembly (6) comprises a first steel ball (61), a second steel ball (62) and a chain (63) connected to the first steel ball (61) and the second steel ball (62).
9. The double-motion powder mixing device for the alloy magnetic powder core according to claim 8, characterized in that:
the first steel ball (61) and the second steel ball (62) are provided with connecting rings (7), and the connecting rings (7) are fixedly connected with the first steel ball (61) and the second steel ball (62); the chain (63) is locked in the ring buckle of the connecting ring (7).
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| CN202210081956.3A CN114405341A (en) | 2022-01-24 | 2022-01-24 | Powder double-motion mixing device with alloy magnetic powder core |
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| CN202210081956.3A CN114405341A (en) | 2022-01-24 | 2022-01-24 | Powder double-motion mixing device with alloy magnetic powder core |
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