WO2017056768A1 - モータおよび紡績機械 - Google Patents
モータおよび紡績機械 Download PDFInfo
- Publication number
- WO2017056768A1 WO2017056768A1 PCT/JP2016/074031 JP2016074031W WO2017056768A1 WO 2017056768 A1 WO2017056768 A1 WO 2017056768A1 JP 2016074031 W JP2016074031 W JP 2016074031W WO 2017056768 A1 WO2017056768 A1 WO 2017056768A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- motor casing
- substrate
- central axis
- shaft
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/20—Driving or stopping arrangements
- D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
- H02K1/2787—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2788—Outer rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
- H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
Definitions
- the present invention relates to a motor and a spinning machine.
- outer rotor type motor in which a rotating portion is disposed outside a stator that is a stationary portion
- Outer rotor type motors (hereinafter simply referred to as “motors”) are used, for example, in industrial machines such as spinning machines for winding yarn.
- a conventional motor is described in, for example, US Pat. No. 7,049,718.
- a bearing is disposed on the radially inner side of a cylindrical portion that is a rotating portion.
- the bearing rotatably supports a cylindrical portion that is a rotating portion with respect to a shaft that is fixed around a central axis.
- the bearings are arranged on both sides of the stator in the central axis direction upper side and the central axis direction lower side.
- An object of the present invention is to provide a motor that can draw a conductive wire from a stator without complicatedly processing a shaft.
- An exemplary embodiment of the present invention is an outer rotor type motor, which includes a stationary part having a shaft extending vertically along a central axis, a rotating part rotating around the central axis, and the shaft. And one or more bearings that support the rotating portion so as to be rotatable about the central axis, and the rotating portion is arranged around the shaft at a radially outer side than the stationary portion.
- a cylindrical motor casing extending in a direction, and a magnet disposed on an inner peripheral surface of the motor casing, wherein the stationary part is a substrate disposed perpendicular to the shaft, and an axis of the substrate
- a stator located on the upper side in the direction and on the lower side in the axial direction of the bearing, and the stator has an annular core back centered on the central axis and a plurality of cores extending radially outward from the core back.
- a stator core having a tooth and a coil having a conductor wound around the tooth, and a first conductor drawn from the coil is connected to the substrate, and the substrate has a second conductor on the upper surface in the axial direction. Is connected.
- the conducting wire can be drawn out in the direction opposite to the bearing. For this reason, the complicated process of a shaft becomes unnecessary. Therefore, the manufacturing cost of the motor can be reduced.
- FIG. 1 is a configuration diagram of a spinning machine including a motor according to the first embodiment.
- FIG. 2 is a longitudinal sectional view of the motor according to the first embodiment.
- FIG. 3 is a top view of the motor according to the first embodiment.
- FIG. 4 is a partial cross-sectional view of the motor according to the first embodiment.
- FIG. 5 is an enlarged cross-sectional view of the motor according to the first embodiment.
- FIG. 6 is an enlarged cross-sectional view of a motor according to a modification.
- FIG. 1 in the direction of the central axis of the motor will be described as “upper side” and the left side as “lower side”.
- a direction parallel to the central axis will be described as “axial direction”, a radial direction centered on the central axis will be simply “radial direction”, and a circumferential direction centered on the central axis will be simply referred to as “circumferential direction”.
- the definition of this direction is not intended to limit the orientation of the motor and spinning machine during manufacture and use.
- FIG. 1 is a diagram illustrating a configuration of a spinning machine 1 having a motor 20 according to the first embodiment.
- the spinning machine 1 is a machine for winding a yarn 12 around a bobbin 11.
- the motor 20 rotates a cylindrical motor casing 41 extending up and down around the central axis 9.
- the bobbin 11 is a rod-like member that is in contact with the outer peripheral surface of the motor casing 41 and arranged in parallel to the central axis 9.
- the bobbin 11 rotates in the direction opposite to the motor casing 41 in conjunction with the motor casing 41.
- the yarn 12 is supplied from a yarn supply unit (not shown), and its tip is fixed to the bobbin 11.
- the yarn 12 is sequentially fed from the yarn supply unit and wound around the bobbin 11.
- the motor casing 41 further rotates while being in contact with the yarn 12 wound around the bobbin 11.
- the bobbin 11 is further wound around the yarn 12 while being moved from the motor casing 41 to the outside in the radial direction.
- the bobbin 11 around which the yarn 12 is wound is manufactured. That is, the bobbin 11 rotates in conjunction with the motor 20 and winds the yarn 12.
- the manufacturing cost of the spinning machine 1 can be reduced.
- the spinning machine 1 can be reduced in size.
- FIG. 2 is a longitudinal sectional view of the motor 20 according to the first embodiment.
- a magnet 42 is disposed outside the stator 33 in the radial direction. That is, the motor 20 is an outer rotor type motor.
- the motor 20 includes a stationary part 30, a rotating part 40, and a bearing 50.
- the stationary part 30 is relatively stationary with respect to the frame of the spinning machine 1.
- the stationary part 30 includes a shaft 31, a substrate 32, a stator 33, and a plate 34.
- the shaft 31 is a substantially cylindrical member that extends in the axial direction along the central axis 9. That is, the stationary part 30 has a shaft 31 that extends vertically along the central axis 9. As the material of the shaft 31, for example, a metal such as stainless steel or carbon steel is used.
- the upper end portion of the shaft 31 projects upward in the axial direction from the motor casing 41.
- the lower end portion of the shaft 31 protrudes downward in the axial direction from the motor casing 41.
- the upper end portion and the lower end portion of the shaft 31 are respectively fixed to the frame body of the spinning machine 1.
- the stator 33 is a part that generates magnetic flux according to the drive current.
- the stator 33 is located on the lower side in the axial direction of the substrate 32 and on the upper side in the axial direction of the bearing 50.
- the stator 33 has a stator core 331 and a coil 332.
- the stator core 331 is made of a laminated steel plate in which a plurality of steel plates are laminated in the axial direction.
- the stator core 331 includes an annular core back 333 centering on the central axis 9 and a plurality of teeth 334 extending outward from the core back 333 in the radial direction.
- the coil 332 has a conductive wire 35 wound around a tooth 334. The end portion of the conducting wire 35 is drawn out from the coil 332 toward the substrate 32 as the first conducting wire 351. That is, the first conducting wire 351 drawn from the coil 332 is connected to the substrate 32.
- the substrate 32 is a substantially plate-like member on which an electronic circuit or an electronic component is mounted.
- the substrate 32 is arranged perpendicular to the shaft 31 above the stator 33 and inside the motor casing 41 in the radial direction. That is, the stationary part 30 includes a substrate 32 that is disposed perpendicular to the shaft 31. However, the substrate 32 may be substantially perpendicular to the shaft 31. In the present embodiment, the substrate 32 is disposed in contact with a support portion 325 fixed perpendicular to the shaft 31. Thereby, the substrate 32 is positioned in the motor casing 41.
- the substrate 32 is connected to the first conducting wire 351 drawn from the coil 332.
- the substrate 32 is connected to the second conducting wire 352 on the upper surface in the axial direction.
- the current supplied from the external power source flows to the coil 332 through the second conducting wire 352, the substrate 32, and the first conducting wire 351.
- the number of the first conducting wires 351 drawn from the coil 332 is one, but the number of the first conducting wires 351 drawn from the coil 332 may be plural.
- a plurality of first conductive wires 351 may be connected to the substrate 32.
- FIG. 3 is a top view of the motor 20.
- the connector 321 is located on the upper surface of the substrate 32.
- the connector 321 includes a terminal 322 connected to the second conducting wire 352 and a cover portion 323 surrounding the outer periphery of the terminal 322.
- the terminal 322 is made of a metal that is a conductor, and is electrically connected to the first conductive wire 351 drawn from the coil 332.
- the second conductive wire 352 extending outside the motor 20 is connected to the terminal 322.
- substrate 32 can be connected easily.
- the hot molding process for sealing the connection part of the 1st conducting wire 351 and the 2nd conducting wire 352 becomes unnecessary. For this reason, it can prevent that the conducting wire 35 is damaged by a hot molding process.
- the cover portion 323 is made of an insulating resin and surrounds the outer periphery of the terminal 322 in a ring shape. Thereby, the terminal 322 can be prevented from coming into contact with impurities such as water and dust.
- the motor 20 of this embodiment is used in the spinning machine 1. For this reason, the motor 20 is used in an environment where foreign matters such as yarn waste are likely to be generated.
- the cover 323 can prevent the terminal 322 from coming into contact with foreign matter such as lint. Therefore, deterioration such as corrosion of the terminal 322 is suppressed, and the life of the motor 20 can be extended.
- the plate 34 is a substantially plate-like member that spreads perpendicularly to the central axis 9.
- the plate 34 may extend substantially perpendicular to the central axis 9.
- the plate 34 is disposed on the radially inner side of the motor casing 41 on the axially upper side of the substrate 32 and on the axially lower side of the upper end of the motor casing 41, and spreads perpendicularly to the central axis 9.
- the plate 34 closes the space between the motor casing 41 and the shaft 31. Thereby, it is possible to prevent foreign matter from entering the motor 20 from the outside.
- the plate 34 is also disposed below the bearing 50. Thereby, the entrance of foreign matter into the motor 20 can be further prevented.
- the plate 34 has a through hole 341.
- the connector 321 is disposed in the through hole 341. Thereby, the plurality of second conductive wires 352 are connected by the connector 321.
- the rotating part 40 is a part that rotates around the central axis 9.
- the rotating unit 40 includes a motor casing 41, a magnet 42, and a rotor yoke 43.
- the motor casing 41 accommodates the stationary part 30 and the bearing 50 inside.
- the motor casing 41 is a cylindrical member extending in the axial direction about the shaft 31 on the outer side in the radial direction from the stationary portion 30.
- a plurality of grooves 411 extending in the axial direction are provided on the outer peripheral portion of the motor casing 41.
- the material of the motor casing 41 is preferably an aluminum alloy.
- Aluminum alloys have a lower hardness and melting point than other metal materials such as iron. For this reason, formation of the groove part 411 in the outer peripheral part of the motor casing 41 and a process of an inner peripheral part become easy by cutting. Moreover, the groove part 411 can be easily formed in the outer peripheral part of the motor casing 41 by extrusion. Therefore, the manufacturing cost of the motor 20 can be suppressed. Moreover, the weight of the motor casing 41 can be reduced by using an aluminum alloy. For this reason, the power consumption for driving the motor 20 can be suppressed. In addition, vibrations and noises generated as the motor 20 is driven can be reduced. However, a material other than an aluminum alloy may be used for the motor casing 41.
- the magnet 42 is disposed on the inner peripheral surface of the motor casing 41 directly or via the rotor yoke 43.
- the rotor yoke 43 is an annular member made of a magnetic material.
- the rotor yoke 43 is fixed by being press-fitted into the inner peripheral surface of the motor casing 41.
- the rotor yoke 43 may be fixed to the inner peripheral surface of the motor casing 41 by other methods such as press fitting.
- the magnet 42 is an annular member in which N poles and S poles are alternately magnetized in the circumferential direction.
- the magnet 42 is fixed to the inner peripheral surface of the rotor yoke 43 with an adhesive, for example.
- the inner peripheral surface of the magnet 42 is opposed to the radially outer end surfaces of the plurality of teeth 334 in the radial direction.
- a radially inner surface of the magnet 42 is a magnetic pole surface facing the stator 33.
- a plurality of magnets arranged in the circumferential direction so that N poles and S poles are alternately arranged may be used.
- a sintered magnet of Nd—Fe—B alloy system may be used for example.
- the rotor yoke 43 may be omitted. In that case, the magnet 42 may be directly fixed to the inner peripheral surface of the motor casing 41.
- the motor 20 has one or more bearings 50.
- the bearing 50 supports the rotating unit 40 so as to be rotatable about the central axis 9 with respect to the shaft 31.
- the bearing 50 is disposed below the stator 33.
- the bearing 50 includes an upper bearing 51 and a lower bearing 52 disposed below the upper bearing 51.
- ball bearings that rotate the outer ring and the inner ring relative to each other via a sphere are used.
- the inner rings of the upper bearing 51 and the lower bearing 52 are fixed to the outer peripheral surface of the shaft 31.
- the outer rings of the upper bearing 51 and the lower bearing 52 are fixed to the inner peripheral surface of the motor casing 41.
- it replaces with a ball bearing and the bearings of other systems, such as a slide bearing and a fluid bearing, may be used for the bearing 50.
- the bearing 50 is disposed only on the lower side in the axial direction of the stator 33.
- a first conducting wire 351 is drawn from the coil 332 of the stator 33 in the direction opposite to the bearing 50. For this reason, in order to draw out a conducting wire avoiding the bearing 50, it is not necessary to process the shaft 31 intricately. Therefore, the manufacturing cost of the motor 20 can be reduced.
- FIG. 4 is a partial cross-sectional view of the vicinity of the stator 33 of the motor 20.
- the substrate 32 has at least one sensor 324 on the lower surface in the axial direction.
- the sensor 324 detects the magnetic flux of the magnet 42.
- the rotation speed of the motor casing 41 can be detected.
- the rotation speed of the motor casing 41 is feedback controlled based on the detection result of the sensor 324.
- the number of sensors 324 mounted on the substrate 32 may be one or two or more. By providing a plurality of sensors 324, the magnetic flux of the magnet 42 can be detected more accurately.
- the axial length of the core back 333 is Ls.
- the length in the axial direction from the axial center of the stator core 331 to the axially upper end of the magnet 42 is Lm1.
- Ls and Lm1 satisfy the relationship of Lm1> Ls. That is, the axial length Ls of the core back 333 and the axial length Lm1 from the axial center of the stator core 331 to the axially upper end of the magnet 42 satisfy the relationship of Lm1> Ls. . Thereby, the upper end of the magnet 42 can be brought close to the sensor 324.
- the axial distance between the core back 333 and the sensor 324 can be increased, the magnetic flux generated around the coil 332 of the core back 333 is unlikely to affect the sensor 324. Therefore, the detection accuracy of the magnetic flux of the magnet 42 by the sensor 324 can be improved.
- the length in the axial direction from the lower end of the magnet 42 in the axial direction to the center of the stator core 331 is Lm2.
- Lm1 and Lm2 further satisfy the relationship of Lm1 ⁇ Lm2. That is, Lm1 and the axial length Lm2 from the axially lower end of the magnet 42 to the center of the stator core 331 further satisfy the relationship Lm1 ⁇ Lm2.
- Lm1 and the axial length Lm2 from the axially lower end of the magnet 42 to the center of the stator core 331 further satisfy the relationship Lm1 ⁇ Lm2.
- the rotating unit 40 further includes a dust seal 60.
- FIG. 5 is an enlarged cross-sectional view of the motor 20 in the vicinity of the dust seal 60.
- the dust seal 60 is an annular member, and is fitted into the inner peripheral surface of the motor casing 41 and fixed. A part of the dust seal 60 is in contact with the plate 34. That is, the dust seal 60 closes the space between the plate 34 and the motor casing 41. Accordingly, impurities such as water and dust can be prevented from entering the motor 20.
- the dust seal 60 is a two-color molded product having a metal part 61 made of metal and a resin part 62 made of resin.
- the resin part 62 is molded by pouring resin into the mold with the metal part 61 disposed in advance in the mold.
- the metal portion 61 includes a cylindrical portion 63 that extends in the axial direction along the inner peripheral surface of the motor casing 41, an annular flat plate portion 64 that protrudes radially inward from the cylindrical portion 63, a radially inner side and a shaft from the flat plate portion 64. And an inclined portion 65 that is bent downward in the direction.
- the resin portion 62 is disposed at the end portion on the radially inner side of the inclined portion 65.
- the resin portion 62 is in contact with the plate 34. In this way, by bringing the elastic resin portion 62 into contact with the plate 34, the waterproofness and dustproofness due to the dust seal 60 can be improved. Further, the dust seal 60 can be easily incorporated into the motor casing 41.
- the metal part 61 is fixed to the inner peripheral surface of the motor casing 41. Thereby, the fixed strength of the dust seal 60 with respect to the motor casing 41 is improved. Further, the dust seal 60 can be easily incorporated into the motor casing 41.
- FIG. 6 is an enlarged sectional view of the vicinity of a dust seal 60A of a motor according to a modification.
- the metal portion 61A of the dust seal 60A includes a cylindrical portion 63A that extends in the axial direction along the inner peripheral surface of the motor casing 41A, an annular flat plate portion 64A that protrudes radially inward from the upper end of the cylindrical portion 63A, and a flat plate portion 64A. And an inclined portion 65A that bends radially inward and downward from the inner end.
- the resin portion 62A is disposed at the radially inner end of the inclined portion 65A.
- the resin portion 62A is in contact with the plate 34A. Even if the dust seal 60A has such a structure, the gap between the motor casing 41A and the plate 34A can be closed. This makes it easier to incorporate the dust seal 60A into the motor casing 41A.
- the substrate is a member on which an electronic circuit or an electronic component is mounted.
- the substrate may be a member having electrical conductivity, or may be a wiring board that supports the conducting wire. In this case, it is only necessary to supply the drive current by placing the conducting wire over the wiring board and connecting it directly to the terminal pin.
- the bearing has two bearings, an upper bearing and a lower bearing. However, there may be one bearing or three or more bearings.
- the motor is used in the spinning machine.
- the motor may be used for other purposes.
- each member may be different from the shape shown in each drawing of the present application. Moreover, you may combine suitably each element which appeared in said embodiment and modification in the range which does not produce inconsistency.
- the present invention can be used for motors and spinning machines.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
<1-1.紡績機械の構成>
図1は、第1実施形態に係るモータ20を有する紡績機械1の構成を示す図である。紡績機械1は、ボビン11に糸12を巻き付けるための機械である。モータ20は、上下に延びる円筒状のモータケーシング41を、中心軸9を中心に回転させる。ボビン11は、モータケーシング41の外周面と接触して、中心軸9に対して平行に配置される棒状の部材である。ボビン11は、モータケーシング41と連動して、モータケーシング41とは逆方向に回転する。
次に、紡績機械1に用いられるモータ20の詳細な構成について、説明する。図2は、第1実施形態に係るモータ20の縦断面図である。モータ20は、ステータ33の径方向外側にマグネット42が配置される。つまり、モータ20は、アウターロータ型のモータである。モータ20は、静止部30と、回転部40と、軸受50と、を有する。
次に、センサ324およびダストシール60について説明する。
以上、本発明の例示的な実施形態について説明したが、本発明は上記の実施形態には限定されない。
9 中心軸
11 ボビン
12 糸
20 モータ
30 静止部
31 シャフト
32 基板
33 ステータ
34,34A プレート
35 導線
40 回転部
41,41A モータケーシング
42 マグネット
43 ロータヨーク
50 軸受
51 上軸受
52 下軸受
60,60A ダストシール
61,61A 金属部
62,62A 樹脂部
63,63A 円筒部
64,64A 平板部
65,65A 傾斜部
311 凹部
321 コネクタ
322 端子
323 カバー部
324 センサ
325 支持部
331 ステータコア
332 コイル
333 コアバック
334 ティース
341 貫通孔
351 第1導線
352 第2導線
411 溝部
511 内輪
Claims (11)
- アウターロータ型のモータであって、
中心軸に沿って上下に延びるシャフトを有する静止部と、
前記中心軸を中心に回転する回転部と、
前記シャフトに対して前記回転部を、前記中心軸を中心として回転可能に支持する、一つ以上の軸受と、
を有し、
前記回転部は、
前記静止部より径方向外側において、前記シャフトを中心に軸方向に延びる円筒状のモータケーシングと、
前記モータケーシングの内周面に直接またはロータヨークを介して配置されるマグネットと、
を有し、
前記静止部は、
前記シャフトに対して垂直に配置される基板と、
前記基板の軸方向下側かつ前記軸受の軸方向上側に位置するステータと、
を有し、
前記ステータは、
前記中心軸を中心とする環状のコアバックおよび前記コアバックから径方向外側へ向けて延びる複数のティースを有するステータコアと、
前記ティースに巻かれた導線を有するコイルと、
を有し、
前記コイルから引き出される第1導線は前記基板と接続され、
前記基板は、軸方向上面に、第2導線が接続されるモータ。 - 請求項1に記載のモータであって、
複数の前記第2導線は、コネクタにより接続され、
前記コネクタは、前記基板の上面に位置するモータ。 - 請求項2に記載のモータであって、
前記コネクタは、
前記第2導線と接続される端子と、
前記端子の外周を囲むカバー部と、
を有するモータ。 - 請求項1から請求項3までのいずれか1項に記載のモータであって、
前記基板より軸方向上側かつ前記モータケーシングの上端より軸方向下側において、前記モータケーシングの径方向内側に配置され、前記中心軸に対して垂直に広がるプレートと、
前記プレートと、前記モータケーシングとの間を塞ぐ、ダストシールと、
をさらに有するモータ。 - 請求項4に記載のモータであって、
前記ダストシールは、二色成型品であり、
金属製である金属部と、
樹脂製である樹脂部と、
を有し、
前記金属部が、前記モータケーシングの内周面に固定され、
前記樹脂部が、前記プレートに接触するモータ。 - 請求項5に記載のモータであって、
前記金属部は、
前記モータケーシングの内周面に沿って軸方向に延びる円筒部と、
前記円筒部から径方向内側へ突出する環状の平板部と、
前記平板部から径方向内側かつ軸方向下方に折り曲がる傾斜部と、
を有し、
前記樹脂部は、前記傾斜部の径方向内側の端部に配置されるモータ。 - 請求項1から請求項6までのいずれか1項に記載のモータであって、
前記基板は、軸方向下側の面に、少なくとも一つのセンサを有し、
前記センサは前記マグネットの磁束を検出するモータ。 - 請求項7に記載のモータであって、
前記コアバックの軸方向の長さLsと、前記ステータコアの軸方向の中心から、前記マグネットの軸方向上側の端部までの軸方向の長さLm1と、がLm1>Lsの関係を満たすモータ。 - 請求項8に記載のモータであって、
前記Lm1と、前記マグネットの軸方向下側の端部から、前記ステータコアの中心までの軸方向の長さLm2と、がLm1≧Lm2の関係をさらに満たすモータ。 - 請求項1から請求項9までのいずれか1項に記載のモータであって、
前記モータケーシングの材料は、アルミニウム合金であるモータ。 - 請求項1から請求項10までのいずれか1項に記載のモータと、
前記モータと連動して回転し、糸を巻き取るボビンと、
を有する紡績機械。
Priority Applications (4)
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JP2017543006A JP6812981B2 (ja) | 2015-09-28 | 2016-08-17 | モータおよび紡績機械 |
CN201680056075.9A CN108141099B (zh) | 2015-09-28 | 2016-08-17 | 马达以及纺织机械 |
US15/754,326 US20180248437A1 (en) | 2015-09-28 | 2016-08-17 | Motor and spinning machine |
DE112016004380.5T DE112016004380T5 (de) | 2015-09-28 | 2016-08-17 | Motor und Spinnmaschine |
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JP2015-189437 | 2015-09-28 | ||
JP2015189437 | 2015-09-28 |
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WO2017056768A1 true WO2017056768A1 (ja) | 2017-04-06 |
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PCT/JP2016/074031 WO2017056768A1 (ja) | 2015-09-28 | 2016-08-17 | モータおよび紡績機械 |
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Country | Link |
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US (1) | US20180248437A1 (ja) |
JP (1) | JP6812981B2 (ja) |
CN (1) | CN108141099B (ja) |
DE (1) | DE112016004380T5 (ja) |
WO (1) | WO2017056768A1 (ja) |
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CN109650163A (zh) * | 2019-02-27 | 2019-04-19 | 卓郎(江苏)纺织机械有限公司 | 卷绕辊驱动结构及采用该卷绕辊的纺织机械 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02114373U (ja) * | 1989-02-28 | 1990-09-13 | ||
JPH03285548A (ja) * | 1990-03-30 | 1991-12-16 | Matsushita Electric Ind Co Ltd | 磁気ディスク駆動装置用モータの組立方法 |
JPH05207685A (ja) * | 1992-01-28 | 1993-08-13 | Canon Inc | 小型モータ |
JP2013160079A (ja) * | 2012-02-02 | 2013-08-19 | Jtekt Corp | 電動オイルポンプ装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5216557A (en) * | 1981-09-07 | 1993-06-01 | Papst-Motoren Gmbh & Co. Kg | Disk storage device having a brushless dc drive motor |
US4548366A (en) * | 1982-05-17 | 1985-10-22 | Rieter Machine Works, Ltd. | Chuck drive system |
JPH0756616Y2 (ja) * | 1990-08-07 | 1995-12-25 | 株式会社ゼクセル | モータのロータマグネットの着磁構造 |
EP1432104B1 (de) | 2002-12-16 | 2006-12-06 | ebm-papst St. Georgen GmbH & Co. KG | Aussenläufermotor mit stehender Lagerachse |
EP2072832A3 (de) * | 2007-12-17 | 2014-04-30 | Ebm-Papst St. Georgen GmbH & CO. KG | Miniaturlüfter |
DE102009001808A1 (de) * | 2009-03-24 | 2010-09-30 | Robert Bosch Gmbh | Elektromotor |
JP6216608B2 (ja) * | 2013-10-28 | 2017-10-18 | サトーホールディングス株式会社 | 携帯式プリンタ |
JP6443055B2 (ja) * | 2015-01-08 | 2018-12-26 | 株式会社デンソー | 駆動装置、および、駆動装置の製造方法 |
-
2016
- 2016-08-17 JP JP2017543006A patent/JP6812981B2/ja active Active
- 2016-08-17 CN CN201680056075.9A patent/CN108141099B/zh active Active
- 2016-08-17 US US15/754,326 patent/US20180248437A1/en not_active Abandoned
- 2016-08-17 DE DE112016004380.5T patent/DE112016004380T5/de not_active Withdrawn
- 2016-08-17 WO PCT/JP2016/074031 patent/WO2017056768A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02114373U (ja) * | 1989-02-28 | 1990-09-13 | ||
JPH03285548A (ja) * | 1990-03-30 | 1991-12-16 | Matsushita Electric Ind Co Ltd | 磁気ディスク駆動装置用モータの組立方法 |
JPH05207685A (ja) * | 1992-01-28 | 1993-08-13 | Canon Inc | 小型モータ |
JP2013160079A (ja) * | 2012-02-02 | 2013-08-19 | Jtekt Corp | 電動オイルポンプ装置 |
Also Published As
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CN108141099B (zh) | 2020-06-23 |
JP6812981B2 (ja) | 2021-01-13 |
CN108141099A (zh) | 2018-06-08 |
US20180248437A1 (en) | 2018-08-30 |
DE112016004380T5 (de) | 2018-06-07 |
JPWO2017056768A1 (ja) | 2018-11-01 |
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