CN106849485B - Active drive unit - Google Patents
Active drive unit Download PDFInfo
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- CN106849485B CN106849485B CN201710118854.3A CN201710118854A CN106849485B CN 106849485 B CN106849485 B CN 106849485B CN 201710118854 A CN201710118854 A CN 201710118854A CN 106849485 B CN106849485 B CN 106849485B
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- unit
- rotor
- locking
- driven centrifugal
- rotor unit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention relates to a driving unit and a direct-drive solid-liquid separation device thereof, which are characterized in that the driving unit comprises at least one rotor unit and a rotor unit support member consisting of a driven centrifugal unit locking structure and/or a locking unit, a spacing part and at least one rotor unit support part, and the solid-liquid separation device comprises a driving unit, a driven centrifugal unit, a liquid collecting and discharging unit, a rotary support unit and a stator assembly comprising at least one stator unit. The invention has the advantages that: the active driving unit and the driven centrifugal unit of the device can be quickly switched between locking and unlocking states, parts are convenient to manufacture and assemble, the device is high in safety, quiet and stable in operation, easy to maintain and clean and verify, and various defects or defects of the existing solid-liquid separation device can be overcome.
Description
Technical Field
The invention relates to an active driving unit with a locking structure and/or a locking unit and direct-drive solid-liquid separation equipment with the active driving unit, and the final product form of the active driving unit is small solid-liquid mixture centrifugal separation equipment, belonging to the field of centrifuges.
Background
In laboratory bench and pilot plant research, the most commonly used solid-liquid separation equipment is mainly a buchner funnel plus filter flask combination and centrifuges of various specifications, wherein the buchner funnel plus filter flask combination is only suitable for laboratory bench research, and in order to simulate the actual conditions in production and provide necessary centrifugal separation operation data for production, the centrifuges are more recommended.
At present, a commonly used centrifugal machine is formed by separately arranging and reassembling a driving device (mainly a motor) and a solid-liquid separation device (mainly a liquid collecting and discharging cavity and a driven centrifugal unit), wherein a centrifugal drum (equivalent to the driven centrifugal unit) is mechanically fixed on a transmission shaft, so that the disassembly and the assembly of the centrifugal drum and the cleaning and verification of centrifugal equipment are difficult, the equipment is complex and heavy, noise and vibration are too large, the manufacturing process is complex, the maintenance is inconvenient and other defects or defects, and the requirement of completely separating solid-liquid mixtures in laboratory small tests and pilot tests cannot be completely met.
Disclosure of Invention
The purpose of the invention is as follows:
the invention aims to provide an active driving unit with a locking structure and/or a locking unit and a solid-liquid separation device with the active driving unit, which can overcome various defects or shortcomings of the existing solid-liquid separation device and better meet the requirement of thoroughly separating solid-liquid mixtures in laboratory pilot scale and pilot scale tests.
The technical scheme is as follows:
in order to overcome various defects or drawbacks of the existing solid-liquid mixture separation apparatus, the present invention provides a driving unit having a locking structure and/or a locking unit of a driven centrifugal unit and a direct-drive type solid-liquid separation apparatus having the driving unit, the driving unit including:
at least one rotor unit (104, 106) for rotationally moving the active drive unit about the motor shaft centerline by a rotational force generated by electromagnetic interaction with the adapted stator unit;
a rotor unit support, the rotor unit support comprising:
a driven centrifugal unit locking structure and/or locking unit (fig. 6 and 7) for locking and/or unlocking the driven centrifugal unit, preventing the driven centrifugal unit from generating circumferential and/or axial movement and enabling the driven centrifugal unit to coaxially rotate at the same speed as the driving unit;
a spacer (206) which takes charge of the medium of the connection between the rotor unit support and the driven centrifugal unit and directly or indirectly controls the flow direction of the target substance and its respective components in a centrifugal state, the spacer closing the top of the rotor unit support;
at least one rotor unit support carrying a rotor unit;
The rotor unit support or the active drive unit is in relation to the motor shaft by any of the following shaft connections:
through the motor shaft mounting hole located in the center of the partition (fig. 3);
the mounting bracket is fixedly connected with the spacing part and the motor shaft through the mounting bracket, or is in an integral structure with the spacing part and/or the motor shaft (figure 1);
the motor shaft and the active driving unit are of an integral structure (figures 2 and 4);
the active drive unit is preferably fixed to the bottom of the centrifugal liquid collection unit by rotating the support unit and a nut that abuts against the rear bearing and is screwed onto the motor shaft.
According to the active drive unit or the solid-liquid separation apparatus of the present invention, in order to ensure electrical insulation between the rotor unit and the stator unit in any case, and further ensure electrical insulation between the rotor unit and the motor shaft, particularly to ensure electrical insulation between the target substance and its respective constituent components and the active drive unit, thereby improving the safety of the apparatus, the active drive unit or the solid-liquid separation apparatus of the present invention has at least one of the following three electrical insulation measures (I) to (III):
(I) at least the surface of the rotor unit facing the air gap is treated with a layer of non-conductive insulating material using a suitable treatment procedure (figure 2);
(II) the rotor unit is electrically insulated from the parts of the adjoining rotor unit support by a layer of non-conductive insulating material (fig. 1, 3);
(III) carrying said metallic components of the rotor unit in non-electrically insulated manner, which are electrically insulated from the rest of the rotor unit support and from the target substance and its constituents located inside and/or outside the driven centrifugal unit by a layer of non-conductive insulating material (fig. 4).
According to the active drive unit of the present invention, the target substance and its components refer to the mixture to be centrifuged and the components constituting the mixture to be centrifuged, and the insulating material layers include, but are not limited to, an electrically insulating polymer material layer, an electrically non-conductive ceramic layer composed of metal oxides on the surface of the first and/or second metal member, an electrically insulating skeleton for the iron core and/or an electrically insulating coating, and the selection of the electrically insulating measure is determined according to the structure of the rotor unit, the structure of the first or second metal member, the connection manner of the first and second metal members, the structure of the driven centrifugal unit, and the structure of the rotor unit support, while aiming at facilitating the production and reducing the cost of the product.
In particular, the second of the 3 electrical insulation measures, preferably numbered (II), for which the rotor unit is electrically insulated from the first and/or second metal part by a layer of non-conductive insulation material, may extend the range of options for the configuration of the first or second metal part, the range of options for the manner in which the first and second metal parts are connected, or the range of options for the configuration of the rotor unit support.
According to the active driving unit of the present invention, the rotor unit is preferably selected from any one of the following six structures (1) to (4) of radial air gap flux structure and (5) or (6) of axial air gap flux structure, depending on the relative arrangement of the stator unit and the rotor unit:
(1) an outer stator single inner rotor structure of radial air gap flux;
(2) the inner stator single outer rotor structure of the radial air gap magnetic flux;
(3) an inner and outer double-stator middle rotor structure of radial air gap magnetic flux;
(4) the double-rotor structure is formed by combining a middle stator with radial air gap magnetic flux, an inner rotor and an outer rotor;
(5) a single stator and single rotor configuration of axial air gap flux;
(6) the structure of the middle stator upper and lower rotors of the axial air gap magnetic flux.
Specifically, the rotor unit of the radial air gap flux structure motor rotor is preferably an inner rotor or an outer rotor (fig. 3 and 4), or a dual-rotor structure combining the inner rotor and the outer rotor, and the dual-rotor structure comprises two cases that the outer side is the outer rotor, the inner side is the inner rotor (fig. 1 and 2), the outer side is the inner rotor, and the inner side is the outer rotor; the motor rotor with the axial air gap flux structure is preferably a single-stator single-rotor or a disc-type structure motor (commonly called as a disc motor) with an upper rotor and a lower rotor of a middle stator.
Particularly, the rotor unit is particularly preferably a double-rotor structure combining a middle stator of radial air gap flux with an inner rotor and an outer rotor, the structural form can increase the balance of the motor rotor when the motor rotor is in a centrifugal running state, and accessories meeting the parameter requirements can be selected from direct drive motors for washing machines on the market, so that the product cost is reduced.
According to the active drive unit of the present invention, the rotor unit is preferably selected from any one of the following four configurations (7) to (10) depending on the configuration of the rotor unit:
(7) a combination of conductive windings or cores and conductive windings;
(8) a combination of an iron core and a permanent magnet;
(9) the combination of the rotor conducting bars, the end rings and the iron cores;
(10) The combination of the permanent magnet, the rotor conducting bar, the end ring and the iron core;
wherein the permanent magnet includes but is not limited to any one of neodymium iron boron magnet, samarium cobalt magnet, alnico magnet, ferrite magnet, plastic magnet or a combination of a plurality of them, the rotor unit structure preferably consists of a permanent magnet and an iron core, and the combination of the secondary rotor conducting bar, the end ring and the iron core can also be made of the iron core and its energizable conductor winding, or other rotor unit structures.
According to the active driving unit of the invention, the active driving unit (figures 1 and 2) is provided with more than two rotor units, the rotor units are arrayed along the axial direction or are arranged in parallel along the radial direction by taking the central line of a motor shaft as an axis, the rotor units in the axial direction array have the same specification, and the rotor units in the radial direction parallel are different in specification (the radius of the rotor units is different, and the radius of the outer rotor unit is larger than that of the inner rotor unit).
According to the active drive unit of the present invention, the rotor unit support comprises at least one of the following (11) to (13):
(11) a first metal member located at a position of the spacer portion inside the rotor unit support;
(12) A second metal part located outside the rotor unit support;
(13) a molded part molded from a polymer material that provides the rotor unit support or active drive unit with an integral structure and function.
In particular, the rotor unit support comprises any one, two or three of a first metal part, a second metal part, a part moulded from a polymer material relative to the metal parts.
According to the active drive unit of the present invention, the first metal member includes, but is not limited to, any one selected from the following six structures (14) to (19):
(14) splines of various configurations;
(15) motor shafts of various constructions;
(16) a rotor insert (a first metal component shown as 202 in FIG. 2) having an inboard shaft mounting structure and an outboard connecting structure;
(17) a first metal member having a part or all of the spacer;
(18) a first metal member having a spacer portion and a rotor unit support portion;
(19) a first metal part with a locking structure and/or a locking unit.
According to the active drive unit of the present invention, the second metal member includes, but is not limited to, any one selected from the following three structures (20) to (22):
(20) a second metal member having a generally cylindrical or barrel shape;
(21) A second metal member having a partial spacer portion and a rotor unit support portion;
(22) a second metal part with a part of the spacer and the locking structure and/or the locking unit.
Specifically, the first or second metal part, preferably the rotor unit supporting part, and part or all of the spacers are integrally formed, and particularly preferably the first metal part with the locking structure and/or the locking unit, which are formed after the first or second metal part is processed, so that the structural strength of the locking structure and/or the locking unit can be enhanced.
According to the active drive unit of the present invention, the first and/or second metal member is preferably manufactured using the same material as the rotor unit core by using a suitable manufacturing process, and the suitable manufacturing process preferably includes at least one manufacturing process selected from a molding process, a cutting process, a bending process, and a punching process.
According to the active drive unit of the present invention, the first and/or second metal member manufactured by an appropriate manufacturing process is processed by an appropriate manufacturing process at a portion corresponding to the rotor unit supporting portion and/or the spacer portion, thereby forming at least one of the following four configurations (23) to (26):
(23) Spacing part reinforcing ribs distributed at intervals along the radial direction;
(24) tile-shaped or strip-shaped rotor unit supporting parts or reinforcing ribs of the rotor unit supporting parts are distributed at intervals along the circumferential direction;
(25) the locking structures and/or the locking units are distributed at intervals along the circumferential direction;
(26) fan blades for cooling purposes;
the suitable manufacturing process includes at least one of a molding process, a cutting process, a bending process, and a punching process.
Typically, the rotor unit support is a cylindrical structure having a continuous peripheral wall, which is suitable for a motor rotor of a radial air gap flux configuration. However, the supporting portion of the rotor unit is made of an all-metal structure, which significantly increases the weight of the whole active driving unit, and in order to reduce the weight of the active driving unit, a polymer material with a smaller specific gravity should be used as much as possible. The plurality of tile-shaped, strip-shaped or columnar structures distributed at intervals in the circumferential direction obtained by processing the first or second metal part can be used as a rotor unit supporting part and also can be used as a metal reinforcing rib of the rotor unit supporting part, the weight of the active driving unit can be correspondingly reduced after the rotor unit is positioned on the tile-shaped or strip-shaped structures and injection molding is carried out on the rotor unit to form the active driving unit, and gaps between the tile-shaped or strip-shaped structures can simultaneously play a role of fixing clamping grooves of the rotor unit before or after injection molding, so that the active driving unit is particularly suitable for manufacturing the active driving unit with certain structural rotor units (such as a combination of a rotor guide bar, an end ring and a core).
Specifically (fig. 1 and 2), the metal part at the position of the spacing part is punched to integrally form the outer reinforcing rib (107) and the inner reinforcing rib (109) of the rotor unit supporting part in a roughly tile shape;
specifically (fig. 3), a tile-shaped rotor unit support part reinforcing rib (301) and a spacer part radial inner reinforcing rib (302) are formed by cutting a second metal part rotor unit support part position integrally molded with a part of the outer spacer part and bending the cut piece;
specifically (fig. 4), the tile-shaped rotor unit support portion reinforcing ribs (301) and the spacer portion radially outer reinforcing ribs (401) are formed by cutting the rotor unit support portion position of the first metal member molded integrally with a part of the inner spacer portion and bending the cut piece.
According to the active driving unit of the present invention, the first metal part and/or the second metal part manufactured and molded by a suitable manufacturing process has, at the position of the spacer, structures for reinforcing the structural strength and/or for connection, which are distributed at intervals around the center line of the motor shaft, including, but not limited to, at least one of the following four structures (27) to (30):
(27) a groove;
(28) a through hole;
(29) a snap connection structure;
(30) A protrusion;
the distribution mode of the structures (27) to (30) is selected from at least one of the following two modes (31) to (32):
(31) in the circumferential direction and the radial direction;
(32) in the circumferential direction and the axial direction;
the structures of (27) to (30) are used to reinforce the structural strength of the rotor unit support or the active drive unit against the destructive effect of centrifugal force, or for a fixed connection or a molded connection between the first and second metal parts.
Specifically, the first metal part and the second metal part which are formed by a suitable manufacturing process, the groove or the slot for realizing the fixed connection between the adjacent parts, the through hole or the snap hole, the snap connection structure or the latch connection structure, and the protrusion or the card-shaped protrusion connection structure are preferably formed by processing the corresponding parts by using a suitable manufacturing process, the suitable manufacturing process includes but is not limited to at least one manufacturing process of a molding process, a cutting process, a bending process and a stamping process, and the corresponding parts are the first metal part and the second metal part.
The active drive unit according to the invention, the rotor unit support with both the first and the second metal part, viewed in axial direction, the structures (27) to (30) of the first metal member and the second metal member have at least one of four states of overlapping, intersecting, facing (FIG. 2), and intersecting (the structures are offset by a predetermined angle with respect to the facing) in the radial direction, the first metal part and the second metal part are electrically insulated and isolated by a fixed connection without electrical insulation or a molded connection of polymer material (figures 2 and 3), the fixed connection means includes, but is not limited to, any one of welding, fusion, clamping, crimping, plugging, interference connection, bolting, fastener connection, or a combination of two or more thereof, preferably an electrically insulated molded connection means.
According to the active drive unit of the invention, the upper side and/or the lower side of the spacer part is provided with radial reinforcing ribs (305) and/or circumferential reinforcing ribs (306) which are used for reinforcing the structural strength of the rotor unit support or the active drive unit, the radial reinforcing ribs and/or the circumferential reinforcing ribs are preferably formed when the rotor unit support or the active drive unit with complete structure and function is molded by polymer materials, and the reinforcing ribs can be used as locking structures of the driven centrifugal unit.
According to the present invention, the active drive unit or the rotor unit support for an active drive unit is preferably manufactured by any one of the following three methods (33) to (35):
(33) assembling and/or molding the rotor unit and either or both of the spacer and the rotor unit support into a rotor unit support or an active drive unit together with the rotor unit;
(34) molding any one, any two or three of the first metal part, the second metal part and the rotor unit which are manufactured and molded through a proper manufacturing process into a rotor unit support or an active driving unit;
(35) Directly placing the rotor unit in a mould to be molded into the active driving unit;
the locking structure and/or the locking unit is formed synchronously with the manufacturing procedure;
suitable manufacturing steps in the methods (33) to (35) preferably include, but are not limited to, at least one of molding, cutting, bending, and press forming.
Specifically, the rotor unit is preferably molded into the driving drive unit together with the first and/or second metal member, and particularly, the rotor unit and the metal splines of various specifications are preferably placed in a mold to be molded into the driving drive unit from a polymer material while forming the locking structure and/or the locking unit of the driven centrifugal unit.
According to the invention, the solid-liquid separation device comprises at least:
the stator assembly comprises at least one stator unit matched with the rotor unit, and the stator unit and the rotor unit form an electric machine capable of generating rotary motion through electromagnetic interaction;
an active driving unit having a locking structure and/or a locking unit, the active driving unit being fixed to the bottom of the centrifugal liquid collecting and discharging unit by a rotation supporting unit;
a driven centrifugal unit adapted to a driving drive unit having a locking structure and/or a locking unit;
A centrifugal liquid collection and discharge unit of generally barrel-like configuration including an attached top cover;
a rotation support unit including at least a motor shaft, a bearing chamber, and a bearing;
wherein the stator assembly, the bearing chamber and the bearing are arranged at the bottom of the centrifugal liquid collecting and discharging unit with a substantially barrel-shaped structure in a manner that the axis of the stator assembly coincides with the axis of the motor shaft.
According to the driving unit or the solid-liquid separation equipment provided by the invention, the locking and/or unlocking structure which is distributed on the driving unit and/or the driven centrifugal unit at intervals by taking the center line of the motor shaft as the axis and is used for preventing the circumferential and/or axial movement between the driving centrifugal unit and the driven centrifugal unit comprises but is not limited to at least one of the following five structures (36) to (40):
(36) a groove or a slot;
(37) a through or card hole (110, 305);
(38) a snap connection structure or a stop connection structure;
(39) a bump or a card-like bump;
(40) a pivotable axial locking radiused protrusion (115, 310), the single radiused protrusion having a ramp surface that decreases in height slowly from one end to the other;
the locking and/or unlocking structures on the driven centrifugal unit and the driving centrifugal unit are mutually matched so as to prevent the driven centrifugal unit and the driving centrifugal unit and/or components of the driven centrifugal unit from generating circumferential and/or axial movement and release the locking state.
Specifically, the shape of the clamping hole in the (37) is selected to reduce the stress fatigue damage of the connecting part of the driving unit and the driven centrifugal unit to the maximum extent, and the shape of the clamping hole is preferably a circular arc-shaped clamping hole (305), and the position of the clamping hole is preferably at the edge of the spacing part; the arc-shaped protrusions in the step (40) are positioned on the locking column, the locking barrel and the locking piece, axial locking between the locking piece and the locking column and between the locking barrel is achieved through relative rotation (namely pivoting) of the locking piece and the locking column, and the heights of two ends of the arc-shaped protrusions obtained after axial locking are the same.
According to the driving unit or the solid-liquid separation device, the locking and/or unlocking unit (figures 6 and 7) which is positioned on the driven centrifugal unit and the driving centrifugal unit and/or is used for preventing the driven centrifugal unit and the driving centrifugal unit from generating circumferential and/or axial movement and/or components of the driven centrifugal unit comprises:
including but not limited to the locking and/or unlocking structures described in (36) - (40) above, on the master drive unit (110, 305), the slave centrifugal unit, the locking post (309), or the locking barrel (114);
a locking stud (309) or locking barrel (114) preferably formed integrally with the active drive unit, with a locking structure thereon;
As an alternative configuration, the resilient member includes, but is not limited to, a sealing rubber ring and a metal spring (602) that provides a sealing and/or axial locking force;
a locking element (501, 601), a locking and/or unlocking structure (502) on the locking element co-operating with a locking and/or unlocking structure on the locking stud or locking barrel, the locking and/or unlocking between the driving drive unit and the driven centrifugal unit being achieved by a rotational movement of the locking element around the locking stud or locking barrel, or by an axial and/or radial linear movement (such as pulling, inserting, pressing) of the locking element on the locking stud or locking barrel.
Any of the rotor unit supports or active drive units, or solid-liquid separation devices according to the present invention, the polymer material used for its manufacture is any one selected from polyolefins (including polypropylene (PP), Polyethylene (PE), polybutylene-1 (PB-1)) or halogenated polyolefins, polycycloolefins, polysulfones, polyetherketones, polyesters, polyacrylates, polymethacrylates, Polyamides (PA), polyimides, Polycarbonates (PC), polyurethanes, polyacetals, Polystyrenes (PS), acrylonitrile/butadiene styrene copolymers (ABS), Liquid Crystal Polymers (LCP), and polyphenylene sulfides (PPS), or a copolymer of two or more of these, among them, polymer materials having a relatively strong resistance to acids, bases and/or organic solvents are preferable to improve the service life of the apparatus.
In further detail, the polymeric material is preferably a reinforced polymeric material comprising at least 5 to 50% by weight, preferably 7 to 30% by weight, of a fibrous reinforcing filler.
In still further detail, polypropylene comprising from 7 to 12% by weight of glass fibre reinforcing filler is particularly preferred.
Has the advantages that:
compared with the prior art, the active driving unit and the solid-liquid separation equipment thereof have the advantages that:
(1) the equipment is simple to manufacture and assemble, the whole machine is light in weight and convenient to carry;
(2) due to the electric insulation measures adopted by the active driving unit, the safety of the whole equipment is improved;
(3) the driving unit directly drives the centrifugal unit to execute a solid-liquid separation task, so that the electric energy/mechanical energy conversion efficiency is high, and the energy consumption for equipment operation is reduced;
(4) the device has high coaxiality and stable and quiet running, and avoids the vibration and noise caused by the coaxiality deviation of the conventional belt-driven solid-liquid separation device;
(5) the replacement of the driven centrifugal unit and the cleaning and verification of the equipment are very easy;
(6) the equipment is simple to maintain and low in use cost.
Drawings
FIG. 1 is a schematic structural diagram of an active driving unit 1 with a locking structure and a locking unit;
FIG. 2 is a schematic structural diagram of an active driving unit 2 having a locking structure and a locking unit;
FIG. 3 is a schematic structural diagram of an active driving unit 3 having a locking structure and a locking unit;
FIG. 4 is a schematic structural diagram of an active driving unit 4 with a locking structure and a locking unit;
FIG. 5 is a schematic structural view of an active driving unit 5 molded with a locking structure and a locking unit;
FIG. 6 is a schematic structural view of the locking unit 1;
FIG. 7 is a schematic structural view of the locking unit 2;
wherein:
101. mounting a bracket mounting hole; 102. A motor shaft hole; 103. Mounting a bracket;
104. an inner rotor unit; 105. A permanent magnet; 106. An outer rotor unit;
107. external reinforcing ribs; 108. A connecting bridge; 109. An inner reinforcing rib;
110. a clamping hole A; 111. Injecting an insulating hole; 112. An outer rotor;
113. an inner rotor; 114. A locking cylinder; 115. A circular arc-shaped bulge A;
116. an insulating layer E; 117. An insulating layer F; 118. An insulating layer G;
119. an insulating layer H; 201. A motor shaft; 202. A first metal member;
203. A through hole; 204. A clamping groove A; 205. A card-shaped protrusion;
206. a spacer section; 207. An insulating layer I; 208. An insulating layer J;
301. reinforcing ribs; 302. A radial inner reinforcing rib; 303. A spline;
304. a clamping groove B; 305. A clamping hole B; 306. A second metal member;
307. radial reinforcing ribs; 308. Circumferential reinforcing ribs; 309. A locking post;
310. a circular arc-shaped bulge B; 401. Radially externally reinforcing ribs; 501. A locking member B;
502. a locking head; 601. A locking member D; 602. A spring.
Detailed Description
Exemplary embodiments of the active drive unit and the solid-liquid separation apparatus thereof according to the present invention will be described below with reference to the accompanying drawings.
"circumferential" is the circumferential direction, which is the circumferential direction of a circle perpendicular to the centerline of the motor shaft formed by using a point on the centerline of the motor shaft as the center of the circle;
"axial" means a direction coincident with or parallel to the motor shaft centerline;
"radial" means the radial direction perpendicular to the motor shaft centerline and passing through the center of a circle on the centerline;
the interference connection is realized by utilizing the fit interference between the parts, and the assembling method comprises a press-in method, a thermal expansion fitting method, a cold contraction fitting method and the like;
"clamping" refers to a connection mode that the relative displacement between two parts is limited by the embedding connection between the grooves and the protrusions, the clamping grooves/the clamping holes/the clamping mouths and the buckles or the dovetail grooves and the dovetails which are matched with each other on the two parts;
"molding" refers to a process of obtaining an object with a target geometric shape by using a mold in a production process, including but not limited to stamping, blanking, casting, injection molding, etc., and the "welding" is a special form of "molding";
"cutting and forming" refers to a process of obtaining an object with a target geometric shape by using processes other than "molding and forming", including but not limited to lathing, planing, milling, drilling, grinding, cutting (cutting), and the like;
"bending" refers to the process of obtaining an object with a desired geometry by a process including, but not limited to, rolling, winding, bending, etc., for example, rolling or winding an object into a cylindrical object or bending it at any angle.
Example 1
The schematic structural diagram of the active driving unit of this embodiment is shown in fig. 1.
As shown in fig. 1A, the integrally press-formed first metal part has rotor unit support portion outer ribs (107) and inner ribs (109), injection insulation holes (111), a connecting bridge (108), through holes for reinforcing structural strength after injection, and a fastening hole a (110) for fixing the driven centrifugal unit, and the mounting bracket (103) has a mounting bracket mounting hole (101) and a motor shaft hole (102).
As shown in fig. 1B, the second metal part and the rotor units (105, 106) composed of the magnetic yoke and the permanent magnet (105) adhered thereto are positioned in the mold, wherein the rotor units (105, 106) are not in contact with the outer and inner reinforcing ribs of the rotor unit support portion, and then injection molded into the active drive unit shown in fig. 1C, which has an outer rotor (112), an inner rotor (113), a locking cylinder (114), a locking structure-arc-shaped protrusion a (115), an electrically insulated mounting bracket mounting hole (101), and an electrically insulating layer E (116), an electrically insulating layer F (117), an electrically insulating layer G (118), and an electrically insulating layer H (119) between the rotor unit and the second metal part as shown in fig. 1D.
And finally, fixing the mounting part after the motor shaft is fixedly connected with the mounting bracket on the spacing part through a mounting bracket mounting hole (101), thereby obtaining the active driving unit with a complete structure.
Example 2
The schematic structural diagram of the active driving unit of this embodiment is shown in fig. 2.
As shown in fig. 2A, after being integrally formed, a first metal part and a second metal part are formed, wherein the first metal part (202) has a motor shaft hole, a through hole (203) for enhancing structural strength after injection molding, a card-shaped protrusion and a card slot a (204) formed by adjacent card-shaped protrusions, and the second metal part has a radial connecting bridge and a circumferential connecting bridge, an outer reinforcing rib and an inner reinforcing rib of a rotor unit supporting part, a through hole (203) for enhancing structural strength after injection molding, a locking structure-card hole a (110) located at the edge of a spacing part (206), a card-shaped protrusion (205) and a card slot a formed by adjacent card-shaped protrusions.
As shown in fig. 2B, after the first metal part is fixed to the motor shaft, the first metal part, the second metal part and the rotor units (105, 106) are positioned in a mold (the rotor units are not in contact with the rotor unit support part reinforcing ribs), and then the active driving unit shown in fig. 2C is formed by injection molding, and the active driving unit comprises an outer rotor (112), an inner rotor (113), a motor shaft (201), an insulating layer I (207) and an insulating layer J (208) which are formed by a spraying process and used for realizing electrical insulation with the stator units, and a locking cylinder (114), a locking structure, namely, a circular arc-shaped protrusion a (115) and a locking structure, namely, a clamping hole a, which is positioned at the edge of the spacing part, as shown in fig. 2D.
Example 3
The schematic structural diagram of the active driving unit of this embodiment is shown in fig. 3.
As shown in fig. 3A, the second metal member (306) formed by integral press molding has a rotor unit support portion reinforcing rib (301), a spacer portion radially inner reinforcing rib (302), a driven centrifugal unit locking structure-clamping hole B (305) located at the edge of the spacer portion, a through hole (203) located on the spacer portion radially inner reinforcing rib for enhancing the structural strength after injection molding, and a clamping groove B (304) formed by the adjacent spacer portion radially inner reinforcing ribs.
As shown in fig. 3B, the first metal part-spline (303), the second metal part and the rotor unit (106) are positioned together in a mold, wherein the rotor unit is not in contact with the rotor unit support portion reinforcing ribs, and then injection molded into a driving drive unit as shown in fig. 3C and 3D, the driving drive unit having an outer rotor (112), injection molded radial reinforcing ribs (307) and circumferential reinforcing ribs (308), driven centrifugal unit locking structures at the edge of the spacing portion-bayonet holes B and locking columns (309), and locking structures-circular arc-shaped protrusions B (310).
Example 4
The schematic structural diagram of the active driving unit of this embodiment is shown in fig. 4.
As shown in fig. 4A, the first metal member formed by integral press molding has a motor shaft hole (102), a through hole (203) for reinforcing structural strength after injection molding, a rotor unit support portion reinforcing rib (301), a spacer portion radially outer reinforcing rib (401), and a driven centrifugal unit locking structure, a snap hole a (110), located on the spacer portion radially outer reinforcing rib.
After the first metal part is fixed to the motor shaft, it is positioned in the mold together with the rotor unit (106) (contact between the rotor unit and the rotor unit support stiffener) as shown in fig. 4B, and then injection molded (the injection molding material covers the whole first metal part and the motor shaft end to obtain electrical insulation of the centrifuged target substance and its respective constituent components), thus obtaining the complete structure of the active drive unit as shown in fig. 4C and 5, having the outer rotor (112), the motor shaft (201), the injection molded radial (307) and circumferential (308 stiffeners, as well as the locking columns (309), locking structures-circular arc protrusions B (310).
The embodiments described above are presented to enable a person having ordinary skill in the art to make and use the invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the embodiments described herein, and any improvements and modifications to the present invention by those skilled in the art according to the present disclosure should be within the scope of the present invention.
Claims (4)
1. An active drive unit, comprising:
at least one rotor unit for rotating the driving unit around the center line of the motor shaft by a rotational force generated by electromagnetic interaction with the adapted stator unit;
a spacer part which takes charge of a medium for communication between the rotor unit support part and the driven centrifugal unit and controls a flow direction of the target substance and each constituent thereof in a centrifugal state, the spacer part closing a top of the rotor unit support part;
at least one rotor unit support carrying a rotor unit;
the locking unit of the driven centrifugal unit is used for locking and/or unlocking the driven centrifugal unit, so that the driven centrifugal unit and the driving unit rotate coaxially at the same speed when being locked, and the locking unit is positioned at any position on the driving unit, which can realize locking and/or unlocking with the driven centrifugal unit;
the second metal part is provided with an outer reinforcing rib and an inner reinforcing rib of the rotor unit supporting part, an injection molding insulating hole, a connecting bridge, a through hole for enhancing the structural strength after injection molding and a clamping hole for fixing the driven centrifugal unit;
the mounting bracket is provided with a mounting bracket mounting hole and a motor shaft hole;
And positioning a second metal part and a rotor unit consisting of a magnetic conduction magnetic yoke and a permanent magnet adhered to the magnetic conduction magnetic yoke in a mold, wherein the rotor unit is not in contact with the outer reinforcing rib and the inner reinforcing rib of the rotor unit supporting part, then performing injection molding to form an active driving unit, and electrically insulating the rotor unit from the second metal part.
2. An active drive unit, comprising:
at least one rotor unit for rotating the driving unit around the center line of the motor shaft by a rotational force generated by electromagnetic interaction with the adapted stator unit;
a spacer part which takes charge of a medium for communication between the rotor unit support part and the driven centrifugal unit and controls a flow direction of the target substance and each component thereof in a centrifugal state, the spacer part closing the top of the rotor unit support part;
at least one rotor unit support carrying a rotor unit;
the locking unit of the driven centrifugal unit is used for locking and/or unlocking the driven centrifugal unit, so that the driven centrifugal unit and the driving unit rotate coaxially at the same speed when being locked, and the locking unit is positioned at any position on the driving unit, which can realize locking and/or unlocking with the driven centrifugal unit;
The rotor unit is provided with a first metal part and a second metal part which are formed after integral punch forming, wherein the first metal part is provided with a motor shaft hole, a through hole for enhancing the structural strength after injection molding, a clamping protrusion and a clamping groove formed by adjacent clamping protrusions;
after the first metal part is fixed on the motor shaft, the first metal part, the second metal part and the rotor unit are positioned in a mold together, and then an active driving unit is formed by injection molding, wherein the active driving unit comprises an outer rotor, an inner rotor, a motor shaft, an insulating layer, a locking cylinder, a locking structure, an arc-shaped bulge and a locking structure, the insulating layer is formed by a spraying process and used for realizing electric insulation with the stator unit, and the locking structure is a clamping hole positioned at the edge of the interval part.
3. An active drive unit, comprising:
at least one rotor unit for rotating the driving unit around the center line of the motor shaft by a rotational force generated by electromagnetic interaction with the adapted stator unit;
A spacer part which takes charge of a medium for communication between the rotor unit support part and the driven centrifugal unit and controls a flow direction of the target substance and each component thereof in a centrifugal state, the spacer part closing the top of the rotor unit support part;
at least one rotor unit support carrying a rotor unit;
the locking unit of the driven centrifugal unit is used for locking and/or unlocking the driven centrifugal unit, so that the driven centrifugal unit and the driving unit rotate coaxially at the same speed when being locked, and the locking unit is positioned at any position on the driving unit, which can realize locking and/or unlocking with the driven centrifugal unit;
the rotor unit locking structure is provided with a first metal part and a second metal part, wherein the first metal part is a spline, and the second metal part is provided with a rotor unit supporting part reinforcing rib, a spacing part radial inner reinforcing rib, a driven centrifugal unit locking structure-clamping hole positioned at the edge of the spacing part, a through hole positioned on the spacing part radial inner reinforcing rib and used for enhancing the structural strength after injection molding and a clamping groove formed by the adjacent spacing part radial inner reinforcing ribs;
the first metal part, the second metal part and the rotor unit are positioned in a mold together, wherein the rotor unit is not in contact with reinforcing ribs of a supporting part of the rotor unit, and then the active driving unit is formed by injection molding;
The driving drive unit is provided with an outer rotor, injection-molded radial reinforcing ribs and circumferential reinforcing ribs, and driven centrifugal unit locking structures, namely clamping holes, locking columns and locking structures, namely circular arc-shaped protrusions, which are positioned at the edges of the spacing parts.
4. An active drive unit, comprising:
at least one rotor unit for rotating the driving unit around the center line of the motor shaft by a rotational force generated by electromagnetic interaction with the adapted stator unit;
a spacer part which takes charge of a medium of communication between the rotor unit support part and the driven centrifugal unit and controls a flow direction of the target substance and its respective constituent components in a centrifugal state, the spacer part closing the top of the rotor unit support part;
at least one rotor unit support carrying a rotor unit;
the locking unit of the driven centrifugal unit is used for locking and/or unlocking the driven centrifugal unit, so that the driven centrifugal unit and the driving unit rotate coaxially at the same speed when being locked, and the locking unit is positioned at any position on the driving unit, which can realize locking and/or unlocking with the driven centrifugal unit;
the first metal part is provided with a motor shaft hole, a through hole for enhancing the structural strength after injection molding, a rotor unit supporting part reinforcing rib, a spacing part radial outer reinforcing rib and a driven centrifugal unit locking structure-clamping hole positioned on the spacing part radial outer reinforcing rib;
After the first metal part is fixed on the motor shaft, the first metal part and the rotor unit are positioned in a mold together, and then injection molding is carried out, so that the active driving unit with a complete structure is obtained, and the active driving unit is provided with an outer rotor, the motor shaft, injection molded radial reinforcing ribs, injection molded circumferential reinforcing ribs, locking columns and locking structures, namely circular arc-shaped bulges.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118854.3A CN106849485B (en) | 2017-02-28 | 2017-02-28 | Active drive unit |
| CN202210372047.5A CN114884267A (en) | 2017-02-28 | 2017-02-28 | Active driving unit and solid-liquid separation equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118854.3A CN106849485B (en) | 2017-02-28 | 2017-02-28 | Active drive unit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210372047.5A Division CN114884267A (en) | 2017-02-28 | 2017-02-28 | Active driving unit and solid-liquid separation equipment thereof |
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| Publication Number | Publication Date |
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| CN106849485A CN106849485A (en) | 2017-06-13 |
| CN106849485B true CN106849485B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710118854.3A Active CN106849485B (en) | 2017-02-28 | 2017-02-28 | Active drive unit |
| CN202210372047.5A Pending CN114884267A (en) | 2017-02-28 | 2017-02-28 | Active driving unit and solid-liquid separation equipment thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210372047.5A Pending CN114884267A (en) | 2017-02-28 | 2017-02-28 | Active driving unit and solid-liquid separation equipment thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707909A (en) * | 2004-06-09 | 2005-12-14 | 乐金电子(天津)电器有限公司 | Rotor assembly for external rotor type motor |
| CN101710754A (en) * | 2009-11-27 | 2010-05-19 | 江苏华雕机械有限公司 | Electric main shaft lubricated by water or water fog |
| CN105251624A (en) * | 2015-03-23 | 2016-01-20 | 唐凌霄 | Direct-driven centrifugal separation equipment |
| CN205945285U (en) * | 2016-07-15 | 2017-02-08 | 无锡康沃特变频电机有限公司 | Rotor structure and have this rotor structure's motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0640507B1 (en) * | 1992-05-12 | 2003-04-16 | Seiko Epson Corporation | Electric vehicle |
| EP1450467A1 (en) * | 2003-02-21 | 2004-08-25 | Askoll Holding S.r.l. | Synchronous electric motor with a pulley and method for manufacturing the motor |
| CN203104151U (en) * | 2013-03-01 | 2013-07-31 | 常州亚通杰威电机有限公司 | Rotor component for motor assembly |
| TWM466067U (en) * | 2013-03-29 | 2013-11-21 | Univ Nat United | Drive device and electric motorcycle drive system using the drive device |
| JP2016192859A (en) * | 2015-03-31 | 2016-11-10 | 株式会社豊田自動織機 | Motor-driven compressor |
| CN106451904A (en) * | 2015-08-06 | 2017-02-22 | 德昌电机(深圳)有限公司 | Blower fan, water pump single-phase motor drive assembly and torque transmission mechanism thereof |
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2017
- 2017-02-28 CN CN201710118854.3A patent/CN106849485B/en active Active
- 2017-02-28 CN CN202210372047.5A patent/CN114884267A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1707909A (en) * | 2004-06-09 | 2005-12-14 | 乐金电子(天津)电器有限公司 | Rotor assembly for external rotor type motor |
| CN101710754A (en) * | 2009-11-27 | 2010-05-19 | 江苏华雕机械有限公司 | Electric main shaft lubricated by water or water fog |
| CN105251624A (en) * | 2015-03-23 | 2016-01-20 | 唐凌霄 | Direct-driven centrifugal separation equipment |
| CN205945285U (en) * | 2016-07-15 | 2017-02-08 | 无锡康沃特变频电机有限公司 | Rotor structure and have this rotor structure's motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114884267A (en) | 2022-08-09 |
| CN106849485A (en) | 2017-06-13 |
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