CN109863665A - The manufacturing method of motor - Google Patents
The manufacturing method of motor Download PDFInfo
- Publication number
- CN109863665A CN109863665A CN201780065510.9A CN201780065510A CN109863665A CN 109863665 A CN109863665 A CN 109863665A CN 201780065510 A CN201780065510 A CN 201780065510A CN 109863665 A CN109863665 A CN 109863665A
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- CN
- China
- Prior art keywords
- stator
- mold
- resin seal
- resin
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
Abstract
A kind of manufacturing method of motor that stator is covered by resin seal component is provided, can ensure that the relative positional accuracy between the stator in the axial direction of stator and resin seal component.In the manufacturing method of the motor of the resin seal component of the Z2 direction side and peripheral side that have covering stator (6), it is using mold (50) and the mold (51) combined from Z2 direction side with mold (50) that resin seal component and stator (6) is integrally formed comprising resin seal shape components process.The bearing surface (53f) towards the direction Z2 is formed on mold (50), mold (51) has the pushing pin (58) for pushing stator (6) to Z1 direction side.In resin seal shape components process, a part of stator (6) is abutted with bearing surface (53f) and is pushed pin (58) pushed to bearing surface (53f) in the state of, shape resin seal component and to the injection molded of die cavity (52) potting resin for the inside for being formed in mold (50,51).
Description
Technical field
The present invention relates to the manufacturing methods for the motor that at least part of stator is covered by resin seal component.
Background technique
At present it is known that there is the forming side of at least part of resin-case of the stator of a part of covering composition motor
Method (for example, referring to patent document 1).In manufacturing process described in Patent Document 1, by using the first mold and the second mold
Injection molded carry out shaping resin shell, when by the first mold and the second die assembly of the internal state configured with stator,
Empty (die cavity) corresponding with the shape of resin-case is formed in the inside of the first mold and the second mold.In addition, by mould
Intracavitary potting resin simultaneously makes its solidification, forms resin-case.
First mold used in manufacturing process described in Patent Document 1 is by bed die, center die, multiple first auxiliary moulds
Tool and multiple second auxiliary moulds are constituted.Bed die is the mold of bottomed cylindrical, an axial end face and periphery for resin-case
The a part in face is formed by bed die.Center die is affixed to the columned mold of the upper surface of the bottom of bed die.Multiple
One auxiliary mould and the second auxiliary mould are less than the mold of center die, are installed in center die.In the first mold,
When combining center die, multiple first auxiliary moulds and multiple second auxiliary moulds, on the outer peripheral surface of these set of molds
It is formed with multiple step surfaces.Be configured at the stator of the inside of the first mold by multiple step surfaces in the axial direction of the stator relative to
First mold is positioned.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2015-154514 bulletin
Summary of the invention
The technical problems to be solved by the invention
In manufacturing process described in Patent Document 1, in the potting resin into die cavity, relatively large pressure (forming
Pressure) it acts on the stator for being configured at the inside of the first mold and the second mold, stator is possible in the first mold and the second mould
The inside of tool shifts in the axial direction.In addition, if stator shifts in the axial direction in the inside of the first mold and the second mold, with stator one
The relative positional accuracy of the resin-case and stator that body is formed in the axial direction reduces, and the performance of motor is likely to decrease.
Therefore, technical problem of the invention is, provides a kind of manufacturing method of motor, at least part of stator by
Resin seal component covering, wherein can ensure the relative position between the stator in the axial direction of stator and resin seal component
Precision.
Technical scheme applied to solve the technical problem
In order to solve the above technical problem, the present invention provides a kind of manufacturing method of motor, the motor has
There is the rotor of driving magnet and be formed as tubular and be configured at the stator of the peripheral side of rotor, also, is formed into tubular
An axial side for stator is set as first direction, when the opposite direction of first direction is set as second direction, has and at least covers
The resin seal component of the resin of the peripheral side of the second direction side and stator of stator, the spy of the manufacturing method of the motor
Sign is have resin seal shape components process, uses the first mold and the from second direction side and the first die assembly
Two molds are integrally formed by resin seal component and stator, are formed on the first mold orthogonal to the axial direction and towards second party
To bearing surface, the second mold have for first direction side push stator pushing pin, in resin seal shape components work
In sequence, a part of stator is abutted with bearing surface and is pushed pin be pushed on bearing surface in the state of, by being formed in
The injection molded of the mould filling resin of the inside of first mold and the second mold, shaping resin seal member.
In the manufacturing method of motor of the invention, using the first mold and the second mold by resin seal component with
In the integrally formed resin seal shape components process of stator, a part of stator is abutted with the bearing surface towards second direction,
Also, a part of stator is pushed on the bearing surface and pushing the pushing pin of stator to first direction side, in this case,
By shaping resin seal in the injection molded for being formed in potting resin in the die cavity of inside of the first mold and the second mold
Component.Therefore, in the present invention, in die cavity potting resin and when shaping resin seal component, be able to suppress stator first
The inside of mold and the second mold shifts in the axial direction.Therefore, in the present invention, it can be ensured that stator and resin seal in axial direction
Relative positional accuracy between component.
In the present invention, for example, stator have multiple drivings coil and have respectively wound for multiple driving coils
Multiple salient pole portions and cricoid periphery ring portion stator core, radially inner side of multiple salient pole portions from periphery ring portion towards stator
Prominent, in resin seal shape components process, the end face of the first direction side of periphery ring portion is abutted with bearing surface.In this feelings
Under condition, the relative positional accuracy between the stator core in axial direction and resin seal component can be improved.
In the present invention, it is generally desirable to, stator has: coil is used in multiple drivings；With for multiple driving coils respectively
Multiple salient pole portions of winding and the stator core of cricoid periphery ring portion；And it is installed on the insulating element in salient pole portion, it is multiple prominent
Radially inner side of the pole portion from periphery ring portion towards stator is prominent, and driving is wound in salient pole portion via insulating element with coil, insulate
Component has at least part of covering part of the end face of the second direction side of covering periphery ring portion, in resin seal shape components
In process, the first direction end of pushing pin is contacted with the center portion of the circumferential direction of stator and covering part radially.In the present invention
In, in resin seal shape components process, pushed since stator is pushed pin to first direction side, in resin seal
After shape components process, when the resin seal component being integrally formed with stator is unloaded from the first mold and the second mold,
Resin seal component, position aperture configured with pushing pin, when such constitute, after resin seal shape components process,
It can prevent driving coil and stator core from exposing.It is accordingly possible to ensure the waterproofness of motor.
In the present invention, it is generally desirable to, the circular recess portion of a part for constituting die cavity is formed on the first mold,
Oriented radially inner side rib outstanding, the end face of the second direction side of rib and branch are formed in the lateral surface of the recess portion radially of stator
Bearing surface is configured on same plane, in resin seal shape components process, the second direction side of a part and rib of stator
End face abuts, also, rib is configured at roughly the same position in the circumferential direction of stator with pushing pin.When such constitute, setting
In rouge seal member forming process, end face of a part of stator in addition to being abutted with bearing surface, also with the second direction side of rib
It abuts, pushes stator further, it is possible to accept in closer position to first direction side by the end face of the second direction side of rib
The power of pushing pin.Therefore, in resin seal shape components process, the stator of the inside of the first mold and the second mold can be made
It is in stable condition.
In the present invention, it is generally desirable to, stator has multiple driving coils and has for multiple driving coils respectively
Multiple salient pole portions of winding and the stator core of cricoid periphery ring portion, radial direction of multiple salient pole portions from periphery ring portion towards stator
Inside is prominent, the second bearing surface orthogonal to the axial direction and towards second direction is formed on the first mold, in resin seal
In shape components process, the end face of the first direction side of periphery ring portion is abutted with bearing surface, the inner end in salient pole portion radially
The end face of partial first direction side is abutted with the second bearing surface.When such constitute, in resin seal shape components process,
Since the two side portions of stator radially are abutted with the first mold, the inside of the first mold and the second mold can be made
Stator it is in stable condition.
In addition, in the present invention, it is generally desirable to, the annular shape of a part for constituting die cavity is formed on the first mold
Recess portion forms oriented radial outside the second rib outstanding, the second party of the second rib in the medial surface of the recess portion radially of stator
It is the second bearing surface to the end face of side, in resin seal shape components process, the second rib is in the circumferential direction of stator and pushing pin
It is configured at roughly the same position.When such constitute, in resin seal shape components process, pass through the second party of the second rib
To the end face of side the power of the pushing pin to first direction side pushing stator can be accepted in closer position.Therefore, close in resin
It seals in shape components process, the state of the stator of the inside of the first mold and the second mold can be made more stable.
In the present invention, it is generally desirable to, the second mold has the work pin that can be moved in the axial direction, in resin seal portion
In part forming process, work pins position when to mould filling resin is set between face the first mold and that the second mold is opposed
Have the second direction side in gap, make the work pin when resin solidification for being injected into die cavity moved along first direction and with the first mold
And the opposed face of the second mold abut, gap is for the cast gate to mould filling resin, by making work pin to first party
It abuts to movement and with face the first mold and that the second mold is opposed and carries out gate cutting.
(invention effect)
As described above, can ensure stator if the manufacturing method of motor through the invention manufactures motor
Relative positional accuracy between stator in axial direction and resin seal component.
Detailed description of the invention
Fig. 1 has been loaded into the pump installation of the motor of the manufacturing method manufacture of the motor of embodiment through the invention
Cross-sectional view.
Fig. 2 is the perspective view of stator shown in FIG. 1.
Fig. 3 is the perspective view of the stator of resin seal member shown in FIG. 1.
Fig. 4 indicates the perspective view of the stator of resin seal member shown in Fig. 3 from opposite side.
Fig. 5 is the top view of the stator of resin seal member shown in Fig. 3.
Fig. 6 be for illustrate by resin seal component shown in FIG. 1 and the integrally formed resin seal component of stator at
The cross-sectional view of the structure of first mold and the second mold used in shape process.
Fig. 7 is the perspective view of die ontology shown in fig. 6.
Fig. 8 is the enlarged drawing in the portion E of Fig. 7.
Specific embodiment
Hereinafter, being described with reference to embodiments of the present invention.
(structure of pump installation)
Fig. 1 has been loaded into the pump installation 1 of the motor 3 of the manufacturing method manufacture of the motor of embodiment through the invention
Cross-sectional view.Fig. 2 is the perspective view of stator 6 shown in FIG. 1.Fig. 3 is the stator 6 of resin seal member 12 shown in FIG. 1
Perspective view.Fig. 4 is the perspective view that the stator 6 of resin seal member 12 shown in Fig. 3 is indicated from opposite side.Fig. 5 is shown in Fig. 3
Resin seal member 12 stator 6 top view.In the following description, the Z1 direction side of Fig. 1 etc. is set as "upper" side,
The Z2 direction side of its opposite side, that is, Fig. 1 etc. is set as "lower" side.
Pump installation 1 is loaded by the motor 3 of the manufacturing method manufacture of the motor of present embodiment to use.Pump dress
It sets 1 and has the impeller 2 rotated by the power of motor 3.In addition, motor 3 is DC (direct current) brushless motor, have
Rotor 5 and stator 6.Rotor 5 configures in such a way that the axial direction of rotor 5 and up and down direction are consistent.That is, up and down direction is rotor 5
It is axial.
Impeller 2, rotor 5 and stator 6 are configured at the shell 8 of a part including composition motor 3 and are fixed on shell 8
The inside of the pump case of the shell 9 of upper end.The suction inlet 9a of fluid and the outlet 9b of fluid are formed on shell 9.It is outer
The region that shell 8 and shell 9 surround is the pump chamber 10 passed through from the fluid that suction inlet 9a is sucked towards outlet 9b.Shell 8 has
It covers the resin seal component 12 of the resin of stator 6 and is fixed on the cover member 13 of the upper end side of resin seal component 12.
Rotor 5 has rotary shaft 14, driving magnet 15 and sleeve 16.Rotary shaft 14 is with the axial direction of rotary shaft 14 and up and down
The consistent mode in direction configures.Sleeve 16 is formed as the substantially cylinder with flange that both ends in above-below direction have lip portions
Shape.The sleeve 16 is fixed on the outer peripheral surface of the lower end side section of rotary shaft 14.Driving magnet 15 is fixed on the periphery of sleeve 16
Face.In addition, the configuration of driving magnet 15 is between the lip portions of the sleeve 16 at the both ends for being formed in up and down direction.
Impeller 2 is fixed in the upper end of rotary shaft 14.Impeller 2 is configured at the inside of pump chamber 10.Rotary shaft 14 by with
Two bearings 17,18 that the mode of sleeve 16 configures are clipped in up and down direction revolvably to support.Bearing 17,18 is sliding axle
It holds, is formed as the cylindrical shape with flange.The bearing 17 for being configured at the upside of sleeve 16 is fixed in cover member 13, is configured at sleeve
The bearing 18 of 16 downside is fixed on resin seal component 12.
Bearing 17 is fixed in cover member 13 with the state that the lip portions of bearing 17 are configured at downside, and bearing 18 is with bearing 18
Lip portions be configured at upside state be fixed on resin seal component 12.Bearing 17 is fixed in the upper end side of sleeve 16
The circular shaft bearing plate 19 that lip portions can contact.In the circle that the lip portions that the lower end side of sleeve 16 is fixed with bearing 18 can contact
Cricoid shaft bearing plate 20.Between the lip portions and shaft bearing plate 19 of bearing 17 in the up-down direction and the lip portions and axis of bearing 18
At least one party between board 20 is formed with small gap.
In the present embodiment, bearing 17,18 works as the transverse bearing of rotor 5, bearing 17,18 and shaft bearing plate
19, it 20 works as the thrust bearing of rotor 5.In addition, in the upside of bearing 17 configured with circular seal member 21.It is close
Envelope component 21 is fixed in cover member 13.The inner peripheral surface of seal member 21 and the periphery face contact of rotary shaft 14.
Stator 6 is integrally formed into tubular.Specifically, stator 6 is shaped generally as cylindrical shape.The stator 6 is with the axis of stator 6
It is configured to the consistent mode of up and down direction.That is, up and down direction is the axial direction of stator 6.In addition, stator 6 is configured at the outer of rotor 5
Side.The upper direction (direction Z1) of present embodiment is axial one side, that is, first direction of stator 6, and lower direction (direction Z2) is
Opposite direction (axial another party of stator 6) the i.e. second direction of first direction.In the following description, by the diameter of stator 6
To " radial direction " is set as, the circumferential direction (circumferencial direction) of stator 6 is set as " circumferential direction ".
Stator 6 has multiple drivings coil 23, stator core 24 and multiple insulators 25 as insulating element.It is fixed
Sub- iron core 24 is the thin magnetic board stacking that will be made of magnetic material and the laminated iron core formed.The stator core 24 has to be formed
For cricoid periphery ring portion 24a and from periphery ring portion 24a towards radially inner side multiple salient pole portion 24b outstanding.Present embodiment
Stator core 24 have 9 salient pole portion 24b.
Periphery ring portion 24a is formed as circular.The outer peripheral surface of periphery ring portion 24a constitutes the outer peripheral surface of stator core 24.Separately
When outside, from up and down direction, the outer peripheral surface of periphery ring portion 24a is the outer peripheral surface of stator 6.The upper surface 24c of periphery ring portion 24a
For the plane orthogonal with up and down direction.The lower end surface of periphery ring portion 24a is also the plane orthogonal with up and down direction.9 salient pole portions
Equiangularly spacing is formed 24b, is configured in the circumferential with certain spacing.Front end portion (the radial inner end of salient pole portion 24b
Part) it is formed towards the substantially arc-shaped that circumferential two sides are stretched out.The front end face of salient pole portion 24b and driving the outer of magnet 15
Circumferential surface is opposed.
Insulator 25 is formed by insulating materials such as resins.The insulator 25 is installed to each salient pole portion 24b.That is, stator 6
Have 9 insulators 25.In addition, insulator 25 is formed as the tubular with flange that both ends have lip portions, and to be formed as cylinder
The axial direction of the insulator 25 of shape and the radially consistent mode of stator 6 are installed on salient pole portion 24b.Driving is with coil 23 via insulation
Son 25 is wound in salient pole portion 24b.That is, 9 driving coils 23 are respectively wound in 9 salient pole portion 24b respectively via insulator 25
On.
As described in Figure 2, a part of insulator 25 from the lower end surface of upside covering periphery ring portion 24a.Specifically, periphery
The radial outside of the lower end surface of part and periphery ring portion 24a between the lower end surface of ring portion 24a, insulator 25 in circumferential direction
Part is not covered by insulator 25, but the other parts of the lower end surface of periphery ring portion 24a are covered by insulator 25.That is, insulator
25 have the covering part 25a of a part of the lower end surface of covering periphery ring portion 24a.In the circumferential, in the circumferential direction of covering part 25a
The heart is consistent with the circumferential center of salient pole portion 24b.
Equally, insulator 25 covers a part of the upper surface 24c of periphery ring portion 24a from upside.Specifically, upper surface
The exterior portion of part and upper surface 24c radially between 24c, insulator 25 in circumferential direction is not covered by insulator 25
Lid, but the other parts of upper surface 24c are covered by insulator 25.
Driving coil 23 is completely covered resin seal component 12, in order to protect driving not to be fluid affected with coil 23
And it is arranged.The resin seal component 12 is by being shaped generally as cylindric canister portion 12a and being shaped generally as disk-shaped bottom 12b
It constitutes, is integrally formed as substantially bottomed cylindrical.Canister portion 12a is in such a way that the axial direction of canister portion 12a and up and down direction are consistent
Configuration.When from up and down direction, the center of canister portion 12a is consistent with the center of stator 6.
Resin seal component 12 is formed by BMC (Bulk Molding Compound: block molding compound).In addition, resin is close
It seals component 12 and stator 6 is integrally formed.A part of the upper surface 24c of the periphery ring portion 24a of stator core 24, salient pole portion 24b
A part of upper surface and the front end face (radial medial surface) of salient pole portion 24b be not sealed by resin the covering of component 12, but it is fixed
The other parts of son 6 are sealed by resin the covering of component 12.That is, the downside and peripheral side of stator 6 are sealed by resin the covering of component 12.
Canister portion 12a is formed as the substantially cylindric of wall thickness.The outer diameter of the upper end side of the outer peripheral surface of canister portion 12a is less than canister portion
The outer diameter of the lower end side of the outer peripheral surface of 12a.That is, the outer peripheral surface of canister portion 12a by formation canister portion 12a outer peripheral surface lower portion
First path outer peripheral surface 12d of the upper portion of the outer peripheral surface of major diameter outer peripheral surface 12c, formation canister portion 12a, match in the up-down direction
The second path outer peripheral surface 12e being placed between major diameter outer peripheral surface 12c and the first path outer peripheral surface 12d is constituted.Major diameter outer peripheral surface 12c
Outer diameter, the outer diameter of the second path outer peripheral surface 12e and the outer diameter of the first path outer peripheral surface 12d reduce in this order.In addition, second
The outer diameter of path outer peripheral surface 12e is less than the outer diameter of periphery ring portion 24a, and the outer diameter of major diameter outer peripheral surface 12c is greater than periphery ring portion 24a's
Outer diameter.
Boundary part between major diameter outer peripheral surface 12c and the second path outer peripheral surface 12e is formed with orthogonal with up and down direction
Planar step surface 12f.Multiple recess portion 12g towards radial inside recess are formed in the second path outer peripheral surface 12e.It is more
A recess portion 12g is formed in the circumferential with constant spacing.In the present embodiment, as shown in figure 5, in the second path outer peripheral surface
12e is formed with 9 recess portion 12g by 40 ° of spacing centered on the axle center of stator 6.The side of recess portion 12g when from up and down direction
The shape in face is arc-shaped.In addition, recess portion 12g is formed in the whole region of the up and down direction of the second path outer peripheral surface 12e.In week
Upwards, the circumferential center configuration of recess portion 12g and salient pole portion 24b is in same position.
The internal diameter of the lower end side of inner peripheral surface of the internal diameter of the upper end side of the inner peripheral surface of canister portion 12a greater than canister portion 12a.That is, cylinder
The inner peripheral surface of portion 12a by formation canister portion 12a inner peripheral surface lower portion path inner peripheral surface 12h and formed in canister portion 12a
The major diameter inner peripheral surface 12j of the upper portion of circumferential surface is constituted, and the internal diameter of path inner peripheral surface 12h is less than the internal diameter of major diameter inner peripheral surface 12j.
Major diameter inner peripheral surface 12j is configured at the position more upper than the upper surface of salient pole portion 24b.The radius of curvature of path inner peripheral surface 12h with
The radius of curvature of the front end face of salient pole portion 24b is roughly equal.
Multiple recess portion 12k towards radial outside recess are formed in the upper end side of path inner peripheral surface 12h.Multiple recess portions
12k is formed in the circumferential with constant spacing.In the present embodiment, as shown in figure 5, with stator 6 on path inner peripheral surface 12h
Axle center centered on by 40 ° of spacing be formed with 9 recess portion 12k.In addition, as shown in figure 5, in the circumferential, 9 recess portion 12k are respectively
Identical position is respectively configured at 9 recess portion 12g.The shape of the side of recess portion 12k when from up and down direction is circular arc
Shape.In addition, as shown in figure 3, recess portion 12k is formed in the front end portion (diameter from the upper end of path inner peripheral surface 12h to salient pole portion 24b
To inner end part) upper surface range.
As described above, a part of the upper surface 24c of periphery ring portion 24a is not sealed by resin the covering of component 12.That is, upper end
A part of face 24c is the exposed surface 24d for not being sealed by resin the covering of component 12.Specifically, the radial direction of upper surface 24c is outer
Side is divided into exposed surface 24d.In the present embodiment, exposed surface 24d and step surface 12f are configured on same plane.That is, upper end
Face 24c and step surface 12f are configured on same plane.
In addition, as described above, recess portion 12g is formed in the whole region of the up and down direction of the second path outer peripheral surface 12e, configuration
In upper surface 24c, to be formed with the part at the position of recess portion 12g also be exposed surface 24d.In addition, as described above, path inner peripheral surface
The radius of curvature of 12h and the radius of curvature of the front end face of salient pole portion 24b are roughly equal, and in the upper end from path inner peripheral surface 12h
Range to the upper surface of the front end portion of salient pole portion 24b forms the recess portion 12k of oriented radial outside recess, therefore, salient pole
A part of the upper surface of the front end portion of portion 24b is not sealed by resin the covering of component 12 yet.
The lower end of bottom 12b closing canister portion 12a.In bottom, the center of the upper surface side of 12b is fixed with bearing 18.In addition,
In bottom, 12b is formed with multiple hole 12p, and multiple hole 12p leads to the covering part 25a of insulator 25 from the lower surface of bottom 12b
Lower end surface.In the present embodiment, in bottom, 12b is formed with 6 hole 12p.Specifically, as shown in figure 5, with stator 6
Three are formed in by 120 ° of spacing centered on the axle center of stator 6 by one group of two hole 12p that 40 ° of spacing configure centered on axle center
Position.
As shown in figure 5,6 hole 12p respectively in the circumferential with 6 recess portions 12g, 12h in 9 recess portions 12g, 12k respectively
It is configured at identical position.In addition, hole 12p is configured at the position than recess portion 12g slightly by inside radially.In addition, hole 12p from
The radial direction of covering part 25a and the center portion of circumferential direction are led in the lower surface of bottom 12b.Hole 12p is formed as circular hole.
Cover member 13 is the resin parts separately formed with resin seal component 12.The cover member 13 is by being shaped generally as circle
The canister portion 13a of tubular is constituted with discoid bottom 13b is shaped generally as, and is integrally formed as substantially bottomed cylindrical.Cylinder
Portion 13a is configured in such a way that the axial direction of canister portion 13a and up and down direction are consistent.When from up and down direction, the center of canister portion 13a
It is consistent with the center of stator 6.
The upper end of bottom 13b closing canister portion 13a.In bottom, 13b's is centrally formed with through hole.It is fixed in the through hole
There are bearing 17 and seal member 21.In addition, in the annular portion 13c for being centrally formed with downward side annular shape outstanding of bottom 13b.
When from up and down direction, the center of annular portion 13c is consistent with the center of stator 6.As shown in Figure 1, the periphery of annular portion 13c
Face is contacted with the major diameter inner peripheral surface 12j of canister portion 12a.In the present embodiment, cover member 13 by the outer peripheral surface of annular portion 13c and
Major diameter inner peripheral surface 12j is diametrically opposed to be positioned in resin seal component 12.
The internal diameter of the lower end side of inner peripheral surface of the internal diameter of the upper end side of the inner peripheral surface of canister portion 13a less than canister portion 13a.That is, cylinder
The inner peripheral surface of portion 13a by formation canister portion 13a inner peripheral surface lower portion major diameter inner peripheral surface 13d and formed in canister portion 13a
The path inner peripheral surface 13e of the upper portion of circumferential surface is constituted, and the internal diameter of major diameter inner peripheral surface 13d is greater than the internal diameter of path inner peripheral surface 13e.
Boundary part between major diameter inner peripheral surface 13d and path inner peripheral surface 13e is formed with the planar step orthogonal with up and down direction
Face 13f.
Upper end side section of the canister portion 13a from radial outer side covering resin seal component 12.Specifically, canister portion 13a,
Be formed with major diameter inner peripheral surface 13d part covering canister portion 12a, be formed with the upper end side of the part of major diameter outer peripheral surface 12c, canister portion
13a, the part that is formed with path inner peripheral surface 13e covering canister portion 12a, to be formed with the first path outer peripheral surface 12d and second small
The part of diameter outer peripheral surface 12e.
Step surface 13f is abutted with step surface 12f.In the present embodiment, cover member 13 passes through step surface 12f and step surface
13f is positioned relative to resin seal component 12 in the up-down direction.As shown in Figure 1, in the first path outer peripheral surface 12d and second
It is formed with bonding agent filling space 30 between path outer peripheral surface 12e and the radial direction of path inner peripheral surface 13e, fills space in bonding agent
30 are filled with bonding agent 31.
(manufacturing method of motor)
Fig. 6 is for illustrating by resin seal component shown in FIG. 1 12 and the integrally formed resin seal component of stator 6
The cross-sectional view of the structure of first mold 50 and the second mold 51 used in forming process.Fig. 7 is die ontology 53 shown in fig. 6
Perspective view.Fig. 8 is the enlarged drawing in the portion E of Fig. 7.In addition, in the following description, for ease of description, by the upper of motor 3
Side (the Z1 direction side of Fig. 1 etc.) is set as "upper" side, its opposite side (the Z2 direction side of Fig. 1 etc.) is set as "lower" side.
The manufacturing process of motor 3 include by resin seal component 12 and the integrally formed resin seal component of stator 6 at
Shape process.Resin seal shape components process carries out after the assembly process of stator 6.In resin seal shape components process
In, the 51 shaping resin seal member 12 of the second mold of the first mold 50 is combined in using the first mold 50 and from downside.As general
When the first mold 50 and the second mold 51 for being equipped with the state of stator 6 combine, in the first mold 50 and the second mold 51
Portion forms die cavity 52 corresponding with the shape of resin seal component 12.In resin seal shape components process, by die cavity
The injection molded of potting resin in 52 and shape resin seal component 12.
In addition, for ease of description, providing up and down direction as described above, but in actual resin seal shape components process
In, the first mold 50 is configured at downside, the second mold 51 is combined from upside with the first mold 50.
First mold 50 has die ontology 53 and takes out resin seal member 12 for releasing from die ontology 53
Multiple ejector rodes (push-off pin) 54 of stator 6.The circle for constituting a part of die cavity 52 is formed in the lower surface of die ontology 53
Cricoid recess portion 53a, for melting resin injection inlet (sprue) 53b, connection inlet 53b and the horizontal of die cavity 52 pour
Road 53c.Recess portion 53a, inlet 53b and cross gate the 53c shape in a manner of from the lower surface of die ontology 53 towards upside recess
At.In addition, omitting the diagram of cross gate 53c in Fig. 6.
The inner circumferential side of recess portion 53a is the columned central part 53d for being configured at the inner circumferential side of stator 6.Central part 53d with it is recessed
Portion's 53a concentric arrangement.In addition, central part 53d by from the downward side in the bottom surface of recess portion 53a it is outstanding in a manner of formed.Central part 53d's
Lower end side section is prominent to the position of the lower surface than die ontology 53 on the lower.Match in addition, being formed on die ontology 53
Set multiple through hole 53e of each of multiple ejector rodes 54.Through hole 53e leads to recess portion from the upper surface of die ontology 53
The bottom surface of 53a.Ejector rod 54 configures in such a way that the longitudinal direction of ejector rod 54 and up and down direction are consistent, can be vertically
It is mobile.
The lower surface of die ontology 53, recess portion 53a peripheral edge portion is the planar bearing orthogonal with up and down direction
Face 53f.That is, being formed with bearing surface 53f orthogonal with up and down direction and towards downside on the first mold 50.Bearing surface 53f
Be formed as circular.As shown in figure 8, the lateral surface of recess portion 53a in the radial direction forms oriented radially inner side multiple ribs outstanding
53g.In addition, the medial surface of recess portion 53a in the radial direction forms oriented radial outside multiple rib 53h outstanding.That is, in central part
The outer peripheral surface of the upper end side section of 53d is formed with multiple rib 53h.
In the present embodiment, 40 ° of spacing are pressed centered on the axle center of central part 53d in the radial outside of recess portion 53a
Face is formed with 9 rib 53g.In addition, pressing 40 ° of spacing centered on the axle center of central part 53d in the radial medial surface of recess portion 53a
It is formed with 9 rib 53h.9 rib 53g are respectively respectively configured at identical position with 9 rib 53h in the circumferential.Present embodiment
Rib 53h be the second rib.
The shape of the side of rib 53g, 53h when from up and down direction is arc-shaped.The lower end surface of rib 53g, 53h be with
The orthogonal plane of up and down direction.The lower end surface of rib 53g and bearing surface 53f are configured on same plane, and are connected with bearing surface 53f
It connects.In addition, the lower end surface of rib 53h and bearing surface 53f are also configured on same plane.In the present embodiment, the lower end of rib 53h
Face is bearing surface 53j, as the second bearing surface orthogonal with up and down direction and towards downside.That is, the shape on the first mold 50
Cheng Youyu up and down direction is orthogonal and bearing surface 53j towards downside.Rib 53g is from the lower surface of die ontology 53 towards upside shape
Range as defined in Cheng Yu.Rib 53h is formed in the prescribed limit of the outer peripheral surface of the upper end side section of central part 53d.
Second mold 51 has die ontology 55, for pushing away the stator 6 of resin seal member 12 from die ontology 55
Out and take out multiple ejector rodes 56, two of gate cutting work pins 57, multiple pushings for pushing stator 6 to upside
Pin 58.The recess portion 55a for constituting a part of die cavity 52 is formed in the upper surface of die ontology 55.Recess portion 55a is with from mold sheet
The upper surface of body 55 is formed towards the mode that downside is recessed.The shape of recess portion 55a when from up and down direction is circle.Recess portion
The outer diameter of 55a is greater than the outer diameter of recess portion 53a.
Second mold 51 of present embodiment has 6 pushing pins 58 (referring to Fig. 2, Fig. 4).It is formed on die ontology 55
There are 6 through holes that 6 pushing pins 58 are respectively configured.The through hole leads to the bottom of recess portion 55a from the lower surface of die ontology 55
Face, pushing pin 58 configure in such a way that the longitudinal direction of pushing pin 58 and up and down direction are consistent.Pushing pin 58 is fixed on through hole
In.Side is prominent more up for bottom surface of the upper end side section than recess portion 55a of pushing pin 58.In the present embodiment, with from upper and lower
One group of two pushing pin 58 configured centered on to the center of recess portion 55a when observation by 40 ° of spacing are from up and down direction
When recess portion 55a center centered on by 120 ° of spacing be configured at three positions.
Multiple through holes that multiple ejector rodes 56 are respectively configured are formed on die ontology 55.The through hole is from mold sheet
The bottom surface of recess portion 55a is led in the lower surface of body 55.Ejector rod 56 is with the longitudinal direction of ejector rod 56 and the consistent side of up and down direction
Formula configuration, can vertically move.In addition, being formed with two that two work pins 57 are respectively configured on die ontology 55
Through hole.The through hole leads to upper surface from the lower surface of die ontology 55.Work pin 57 with the longitudinal direction for the pin 57 that works and
The consistent mode of up and down direction configures, and can vertically move.The pin 57 that works constitutes a part of die cavity 52.
In addition, in the present embodiment, as shown in fig. 7, cross gate 53c is formed as forked, but cross gate 53c can also be with
It is formed in a manner of being stretched out from inlet 53b straight line.That is, cross gate 53c can also be formed on the axis of inlet 53b.?
In this case, as long as the second mold 51 has a work pin 57 of gate cutting.
In resin seal shape components process, firstly, by the first mold 50 of the state for being equipped with stator 6 and the second mould
51 combination of tool.Specifically, combine the first mold 50 and the second mold 51, so that when from up and down direction, central part 53d
Center it is consistent with the center of recess portion 55a.When by the first mold 50 and the combination of the second mold 51, in the first mold 50 and second
The inside of mold 51 forms die cavity 52.
In the state that the first mold 50 and the second mold 51 are combined, a part of stator 6 is abutted with bearing surface 53f,
It is pressed against on bearing surface 53f by 6 pushing pins 58.Specifically, as shown in fig. 6, the upper surface 24c of periphery ring portion 24 and bearing
Face 53f is abutted, meanwhile, it is pushed on bearing surface 53f.In addition, in 6 respective upper ends of pushing pin 58 and 9 insulators 25
The respective covering part 25a of 6 insulators 25 radial direction and circumferential direction center portion contact, 6 pushing pins 58 to upside push 6
A covering part 25a (referring to Fig. 2).
In addition, in the state that the first mold 50 and the second mold 51 are combined, the upper surface 24c of periphery ring portion 24 and 9
The lower end surface of a rib 53g abuts, and upper surface 24c is pressed against on the lower end surface of rib 53g by 6 pushing pins 58.In addition, in the first mould
In the state that tool 50 and the second mold 51 are combined, the upper surface of 9 salient pole portions respective front end portion 24b is (specifically
The central part of upper surface in circumferential direction) it is abutted respectively with 9 bearing surface 53j, the upper surface quilt of the front end portion of salient pole portion 24b
6 pushing pins 58 press against on bearing surface 53j.
In addition, in the state that the first mold 50 and the second mold 51 are combined, rib 53g, 53h in the circumferential with pushing pin
58 are configured at roughly the same position.Specifically, 6 ribs of the 6 rib 53g in 9 rib 53g respectively and in 9 rib 53h
53h is respectively respectively configured at roughly the same position with 6 pushing pins 58 in the circumferential.
When the first mold 50 and the second mold 51 for being equipped with the state of stator 6 are combined, in resin seal portion later
In part forming process, in this state, to 52 potting resin of die cavity.In addition, to the resin seal component of 52 potting resin of die cavity
Work pin 57 when forming process is located at the state that gap is equipped with face 53k die ontology 53 and that die ontology 55 is opposed
(downside (direction Z2)) keeps the work pin 53 when being injected into the resin solidification of die cavity 52 mobile to upside (direction Z1) and and mold
The face 53k of ontology 53 is abutted.That is, when to 52 potting resin of die cavity, the gap of the surface 53k of work pin 57 and die ontology 53
It is for the cast gate to 52 potting resin of die cavity, when being injected into the resin solidification of die cavity 52, by making work pin 57 to upside
(direction Z1) is mobile and abuts with the face 53k of die ontology 53 and interdicts (gate cutting) cast gate.When the tree for being injected into die cavity 52
When rouge solidifies, resin sealing is removed from the first mold 50 and the second mold 51 by multiple ejector rodes 54 and multiple ejector rodes 56
The stator 6 of component 12 completes the stator 6 of resin seal member 12.In addition, the recess portion 12g of resin seal component 12 is and rib
The corresponding part 53g, recess portion 12k are parts corresponding with rib 53h.In addition, hole 12p is part (ginseng corresponding with pushing pin 58
According to Fig. 3).
When completing the stator 6 of resin seal member 12, rotor 5 is configured in the inner circumferential side of stator 6, and by cover member
13 are fixed on the upper end side of resin seal component 12.When rotor 5 configuration stator 6 inner circumferential side and cover member 13 be fixed on resin
When the upper end side of seal member 12, motor 3 is completed.In addition, working as, impeller 2 is fixed in rotary shaft 14 and shell 9 is fixed on
When on shell 8, pump installation 1 is completed.
(main effect of present embodiment)
As described above, in the present embodiment, by resin seal component 12 and the integrally formed resin seal portion of stator 6
In part forming process, abuts in the upper surface 24c of the periphery ring portion 24 of stator core 24 with bearing surface 53f and pushed by 6
In the state that pin 58 presses against on bearing surface 53f, in the die cavity 52 of inside for being formed in the first mold 50 and the second mold 51
Potting resin, shaping resin seal member 12.Therefore, in the present embodiment, potting resin and shaping resin in die cavity 52
When seal member 12, it is able to suppress stator 6 and is shifted in the axial direction in the inside of the first mold 50 and the second mold 51.Therefore, at this
In embodiment, it can be ensured that the relative positional accuracy between the stator 6 in up and down direction and resin seal component 12.
In particular, in the present embodiment, in resin seal shape components process, the upper surface 24c of periphery ring portion 24
It other than being abutted with bearing surface 53f, is also abutted with the lower end surface of rib 53g, also, before the salient pole portion 24b of stator core 24
The upper surface of end part is abutted with bearing surface 53j, therefore, can make the stator in the inside of the first mold 50 and the second mold 51
6 state is more stable.In addition, rib 53g, 53h are configured at pushing pin 58 in the circumferential in resin seal shape components process
It roughly the same position therefore can be using the lower end surface of rib 53g and the lower end surface (i.e. bearing surface 53j) of rib 53h closer
Accept the power that the pushing pin 58 of stator 6 is pushed to upside in position.Therefore, in the present embodiment, in resin seal shape components
In process, the state of the stator 6 of the inside of the first mold 50 and the second mold 51 can be made more stable.
In this way, in the present embodiment, in resin seal shape components process, the first mold 50 and the second mould can be made
The state of the stator 6 of the inside of tool 51 is more stable, therefore, shapes resin seal component 12 in the potting resin into die cavity 52
When, stator 6 can be effectively inhibited and shifted in the axial direction in the inside of the first mold 50 and the second mold 51.Therefore, in this implementation
In mode, the relative positional accuracy between the stator 6 in up and down direction and resin seal component 12 can be improved.
In the present embodiment, in resin seal shape components process, the upper end of pushing pin 58 and covering for insulator 25
The radial direction of cover 25a and the center portion of circumferential direction contact, and in resin seal component 12 in the completed, become right with pushing pin 58
The hole 12p for the part answered is from the radial direction and circumferential direction that covering part 25a is led in the lower surface of the bottom 12b of resin seal component 12
Entreat part.That is, driving coil 23 and stator core 24 are not in the stator 6 of the resin seal member 12 of present embodiment
Expose.Therefore, in the present embodiment, even if being formed with hole 12p on resin seal component 12, it can also ensure that motor 3
Waterproofness.
In the present embodiment, in resin seal shape components process, the upper end of the periphery ring portion 24a of stator core 24
Face 24c is abutted with bearing surface 53f, therefore, can accurately form the exposed surface 24d with a part for forming upper surface 24c
The step surface 12f being configured on same plane.In addition, in the present embodiment, since cover member 13 passes through step surface 12f and platform
Terrace 13f is positioned relative to resin seal component 12 in the up-down direction, therefore can be by resin seal component 12 and cover portion
Part 13 accurately positions in the up-down direction.In addition, in the present embodiment, bearing 17 is configured in the lip portions of bearing 17
The bottom 13b of cover member 13 is fixed in the state of downside, bearing 18 is configured in the shape of upside in the lip portions of bearing 18
The bottom 12b of resin seal component 12 is fixed under state.
Therefore, in the present embodiment, it is able to suppress in the shaft bearing plate 19 and bearing 17 for being fixed on the upper end side of sleeve 16
Lip portions up and down direction between and be fixed on sleeve 16 lower end side shaft bearing plate 20 and bearing 18 lip portions up and down
The deviation in either one gap formed between direction.
(other embodiment)
Above-mentioned embodiment is an example of preferred forms of the invention, but not limited to this, do not changing the present invention
Objective in the range of can carry out various modifications implementation.
In the above-described embodiment, in resin seal shape components process, the upper surface 24c and branch of periphery ring portion 24
Bearing surface 53f is abutted, but in resin seal shape components process, for example, the upper surface of insulator 25 can also be with bearing surface 53f
It abuts.In addition, in the above-described embodiment, bearing surface 53f can not also be formed.In this case, in resin seal portion
In part forming process, the upper surface of the front end portion of the salient pole portion 24b of stator core 24 is abutted with bearing surface 53j, also, by 6
A pushing pin 58 is pushed on bearing surface 53j, in this case, to 52 potting resin of die cavity, shaping resin seal member 12.
In the above-described embodiment, the first mold 50 is being combined and when the second mold 51, rib 53g in the circumferential can also be with
It is configured at the position for deviateing pushing pin 58.In addition, rib 53h is in the circumferential when combining the first mold 50 and the second mold 51
The position for deviateing pushing pin 58 can be configured at.In addition, in the above-described embodiment, it can not also shape on die ontology 53
At rib 53g, and rib 53h can not also be formed.In the case where rib 53g not formed on die ontology 53, in resin seal component
Recess portion 12g is not formed on 12.In addition, in the case where rib 53h not formed on die ontology 53, on resin seal component 12 not
Form recess portion 12k.
In the above-described embodiment, in resin seal shape components process, the upper end of pushing pin 58 and insulator 25
Covering part 25a radial direction and circumferential direction center portion contact, but in resin seal shape components process, pushing pin 58 it is upper
End can also with covering part 25a, contact from the position that radial center portion shifts, and can also with covering part 25a, from
The position contact of circumferential center portion displacement.In addition, the upper end of pushing pin 58 can also in resin seal shape components process
With with the location contacts other than insulator 25, covering part 25a.
In the above-described embodiment, it can also be formed with the medial surface of recess portion 53a in the radial direction with the axis of central part 53d
Circular annular portion centered on the heart, to replace 9 rib 53h.In this case, the lower end surface of the annular portion is second
Bearing surface.In addition, in the above-described embodiment, it also may be integrally formed that there are two above insulators 25.In addition, above-mentioned
In embodiment, motor 3 is used for pump installation 1, but motor 3 can be used for the device other than pump installation 1.
Description of symbols
3: motor
5: rotor
6: stator
12: resin seal component
15: magnet is used in driving
23: coil is used in driving
24: stator core
24a: periphery ring portion
24b: salient pole portion
24c: upper surface (end face of the first direction side of periphery ring portion)
25: insulator (insulating element)
25a: covering part
50: the first molds
51: the second molds
52: die cavity
53a: recess portion
53f: bearing surface
53g: rib
53h: rib (the second rib)
53j: bearing surface (the second bearing surface)
58: pushing pin
Z1: first direction
Z2: second direction.
Claims (7)
1. a kind of manufacturing method of motor, the motor have: the rotor with driving magnet；And be formed as tubular
And the axial side for being configured at the stator of the peripheral side of the rotor, also, being formed into the stator of tubular is set as the
One direction, when the opposite direction of first direction is set as second direction, the motor has at least cover the stator
The resin seal component of the resin of the peripheral side of two direction sides and the stator, the feature of the manufacturing method of the motor exist
In,
Have resin seal shape components process, uses the first mold and the from second direction side and first die assembly
Two molds are integrally formed by the resin seal component and the stator,
Bearing surface orthogonal with the axial direction and towards second direction is formed on first mold,
Second mold has the pushing pin for pushing the stator to first direction side,
In the resin seal shape components process, abutted with the bearing surface and described in a part of the stator
Pushing pin is pushed in the state of the bearing surface, by the inside for being formed in first mold and second mold
The injection molded of mould filling resin shapes the resin seal component.
2. the manufacturing method of motor according to claim 1, which is characterized in that
The stator has: coil is used in multiple drivings；And it is multiple prominent with respectively being wound for multiple driving coils
The stator core of pole portion and cricoid periphery ring portion,
Radially inner side of multiple salient pole portions from the periphery ring portion towards the stator is prominent,
In the resin seal shape components process, end face and the bearing surface of the first direction side of the periphery ring portion are supported
It connects.
3. the manufacturing method of motor according to claim 1 or 2, which is characterized in that
The stator has: coil is used in multiple drivings；With the multiple salient pole portions respectively wound for multiple driving coils
And the stator core of cricoid periphery ring portion；And it is installed on the insulating element in the salient pole portion,
Radially inner side of multiple salient pole portions from the periphery ring portion towards the stator is prominent,
The driving is wound in the salient pole portion via the insulating element with coil,
The insulating element has at least part of covering part of the end face for the second direction side for covering the periphery ring portion,
In the resin seal shape components process, the first direction end of the pushing pin and the circumferential direction of the stator and described
The center portion of the covering part radially contacts.
4. the manufacturing method of motor described in any one of claim 1 to 3, which is characterized in that
The circular recess portion of a part for constituting the die cavity is formed on first mold,
The oriented radial inside rib outstanding is formed in the lateral surface of the recess portion radially of the stator,
The end face of the second direction side of the rib and the bearing surface are configured on same plane,
In the resin seal shape components process, a part of the stator and the end face of the second direction side of the rib are supported
It connects, also, the rib is configured at roughly the same position with the pushing pin in the circumferential direction of the stator.
5. the manufacturing method of motor according to any one of claims 1 to 4, which is characterized in that
The stator has: coil is used in multiple drivings；And it is multiple prominent with respectively being wound for multiple driving coils
The stator core of pole portion and cricoid periphery ring portion,
Radially inner side of multiple salient pole portions from the periphery ring portion towards the stator is prominent,
The second bearing surface orthogonal with the axial direction and towards second direction is formed on first mold,
In the resin seal shape components process, end face and the bearing surface of the first direction side of the periphery ring portion are supported
It connects, the end face of the first direction side of the inner end part in the salient pole portion radially is abutted with second bearing surface.
6. the manufacturing method of motor according to claim 5, which is characterized in that
The circular recess portion of a part for constituting the die cavity is formed on first mold,
The oriented radial outside the second rib outstanding is formed in the medial surface of the recess portion radially of the stator,
The end face of the second direction side of second rib is second bearing surface,
In the resin seal shape components process, second rib is configured in the circumferential direction of the stator with the pushing pin
In roughly the same position.
7. the manufacturing method of motor according to claim 1, which is characterized in that
Second mold has the work pin that can be moved in the axial direction,
In the resin seal shape components process,
Work pins position when to resin described in the mould filling in first mold and described second mold pair
The second direction side in gap is equipped between the face set,
Make the work pin when resin solidification for being injected into the die cavity moved along first direction and with first mould
The opposed face of tool and described second mold abuts,
The gap be for the cast gate to resin described in the mould filling,
By make the work pin to first direction it is mobile and opposed with first mold and described second mold described in
Face abuts and carries out gate cutting.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-222207 | 2016-11-15 | ||
| JP2016222207A JP2018082534A (en) | 2016-11-15 | 2016-11-15 | Method of manufacturing motor |
| PCT/JP2017/040510 WO2018092682A1 (en) | 2016-11-15 | 2017-11-10 | Method for manufacturing motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109863665A true CN109863665A (en) | 2019-06-07 |
Family
ID=62146153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780065510.9A Withdrawn CN109863665A (en) | 2016-11-15 | 2017-11-10 | The manufacturing method of motor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018082534A (en) |
| CN (1) | CN109863665A (en) |
| WO (1) | WO2018092682A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019208335A (en) * | 2018-05-30 | 2019-12-05 | 日本電産サンキョー株式会社 | Motor and pumping apparatus |
| WO2024004510A1 (en) * | 2022-06-28 | 2024-01-04 | 三菱電機株式会社 | Stator, rotary electrical machine, method for manufacturing stator, and method for manufacturing rotary electrical machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002218720A (en) * | 2001-01-23 | 2002-08-02 | Mitsubishi Electric Corp | Manufacturing method for molded motor, molded motor, and molding die for the molded motor |
| CN104521108A (en) * | 2012-07-11 | 2015-04-15 | 瑞美技术有限责任公司 | Integrated phase connection isolator with individual phase isolator |
| US20150229192A1 (en) * | 2014-02-12 | 2015-08-13 | Nidec Techno Motor Corporation | Method of molding resin casing and motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4900215B2 (en) * | 2007-12-05 | 2012-03-21 | トヨタ自動車株式会社 | Stator molding method and apparatus |
| JP5889534B2 (en) * | 2011-02-01 | 2016-03-22 | 日本電産テクノモータ株式会社 | Brushless DC motor |
| JP6400401B2 (en) * | 2014-09-10 | 2018-10-03 | 盛岡セイコー工業株式会社 | Mold for molding and molding method |
-
2016
- 2016-11-15 JP JP2016222207A patent/JP2018082534A/en active Pending
-
2017
- 2017-11-10 CN CN201780065510.9A patent/CN109863665A/en not_active Withdrawn
- 2017-11-10 WO PCT/JP2017/040510 patent/WO2018092682A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002218720A (en) * | 2001-01-23 | 2002-08-02 | Mitsubishi Electric Corp | Manufacturing method for molded motor, molded motor, and molding die for the molded motor |
| CN104521108A (en) * | 2012-07-11 | 2015-04-15 | 瑞美技术有限责任公司 | Integrated phase connection isolator with individual phase isolator |
| US20150229192A1 (en) * | 2014-02-12 | 2015-08-13 | Nidec Techno Motor Corporation | Method of molding resin casing and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018082534A (en) | 2018-05-24 |
| WO2018092682A1 (en) | 2018-05-24 |
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Application publication date: 20190607 |