CN111682722B - Twisted chute device of stator - Google Patents
Twisted chute device of stator Download PDFInfo
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- CN111682722B CN111682722B CN202010539640.5A CN202010539640A CN111682722B CN 111682722 B CN111682722 B CN 111682722B CN 202010539640 A CN202010539640 A CN 202010539640A CN 111682722 B CN111682722 B CN 111682722B
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- stator
- mold core
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- grabbing
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- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/085—Forming windings by laying conductors into or around core parts by laying conductors into slotted stators
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- 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
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a twisted slot device of a stator, which comprises: a grabbing and releasing mechanism; a skew mechanism inserted into the upper groove of the peripheral surface of the stator for applying torque to the stator; first mold core device, first mold core device include pass the stator and to the mold core mechanism that stator one end formed the support to and exert axial pressure's hold-down mechanism to the stator other end, hold-down mechanism includes: the grabbing release mechanism is matched with the compressing assembly to separate the compressing assembly from the stator or release the compressing assembly onto the stator; and the pressing and holding mechanism is matched with the pressing component released to the stator to apply pressure to the pressing component after penetrating through the circumferential surface or the end part of the first mold core device, so that the pressing component keeps pressing on the stator. The invention has the advantage of improving the production efficiency.
Description
Technical Field
The invention relates to a twisted slot device of a stator, which is particularly suitable for a twisted slot of a stator embedded with a coil.
Background
The stator is a main component of the motor, and mainly comprises an iron core and a coil arranged on the iron core, wherein the stator iron core is divided into a straight slot type stator and a skewed slot type stator according to the vertical relation between a slot and the circumference of the stator or the circumferential surface of the stator. Compared with a stator motor with a straight slot structure, the stator motor with the skewed slot structure has the characteristics of more stable torque, low noise, high efficiency, longer service life of the whole motor, better electrical performance and the like, and the later maintenance cost is lower. Therefore, the motor is more suitable for the driving motor of the new energy automobile and the high-efficiency energy-saving motor which have higher requirements on the motor at present.
However, the skewed slot type stator is more complicated for the way of manufacturing the motor. The existing automatic production equipment can only carry out line inserting on straight slot type stators but cannot insert the skewed slot type stators. The existing chute stator is manufactured by firstly twisting and welding a stacked iron core (the iron core is formed by stacking silicon steel sheets), and then manually embedding a wound coil into the stator, so that the production efficiency is low, the cost is high, the labor intensity of workers is high, and the current market demand cannot be met.
Disclosure of Invention
The invention aims to provide a twisted chute device of a stator, which improves the production efficiency.
The technical scheme for realizing the purpose of the invention is as follows:
a twisted slot arrangement for a stator, comprising:
a grabbing and releasing mechanism;
a skew mechanism inserted into the upper groove of the peripheral surface of the stator for applying torque to the stator;
first mold core device, first mold core device include pass the stator and to the mold core mechanism that stator one end formed the support to and exert axial pressure's hold-down mechanism to the stator other end, hold-down mechanism includes:
the grabbing release mechanism is matched with the compressing assembly to separate the compressing assembly from the stator or release the compressing assembly onto the stator;
and the pressing and holding mechanism is matched with the pressing component released to the stator to apply pressure to the pressing component after penetrating through the circumferential surface or the end part of the first mold core device, so that the pressing component keeps pressing on the stator.
The stator that the iron core that inlays the solenoid formed overlaps on the mold core, support the stator through supporting mechanism, expand tightly the mechanism to the stator through the mold core, and will compress tightly the subassembly by snatching release mechanism and release to the mold core on the tight mechanism that expands, compress tightly the subassembly and compress tightly the hold-down mechanism cooperation back, compress tightly hold-down mechanism and exert pressure to compressing tightly the subassembly and make and compress tightly the subassembly and keep compressing tightly the effect to the stator, the skew driver rectilinear movement of straight line driver drive, make the skew part insert in the groove on the stator global (at this moment the groove be the straight flute), the work of skew driver, the skew part of skew driver drive rotates, thereby make the straight flute on the stator turn round into the chute. The invention is particularly applicable to skew of a stator in which a coil is embedded, but is equally applicable to skew of a stator core in which no coil is embedded.
The invention firstly twists the stator and then welds the iron core (silicon steel sheet), because the coil is embedded into the stator coil, at this time the stator is not twisted, the coil inserting groove of the stator is a straight groove, the coil inserting groove can be inserted by the coil inserting machine, and the coil inserting groove in the iron core is changed into a skewed groove after the iron core is twisted, the coil inserting by the coil inserting machine can not be adopted, but only the coil inserting by the manual method can be adopted. Compared with the prior art, the invention not only can improve the production efficiency, but also can reduce the labor intensity of manual wire embedding.
Drawings
Fig. 1 is a perspective view of a skew apparatus of the present invention;
fig. 2 is a perspective view of the skew apparatus of the present invention in another orientation;
FIG. 3 is a block diagram of a grasping and releasing mechanism;
FIG. 4 is a perspective view of a first mold core apparatus;
FIG. 5 is a cross-sectional view of the first mold core apparatus;
FIG. 6 is a cross-sectional view of the movable tensioning mechanism;
FIG. 7 is a schematic view of a first mold core assembly nested with a stator;
FIG. 8 is a cross-sectional view of FIG. 7 with a portion of the component hidden;
a is a stator, 1 is a grabbing and releasing part, 2 is a connecting seat, 3 is a stand column, 4 is a first motor, 5 is a first screw rod mechanism, 6 is a first slide rail, 7 is a linear driver, 8 is a skew driver, 9 is a skew part, 10 is a mold core, 10a is a first through hole, 11 is a first linear driving mechanism, 12 is an expanding slide seat, 13 is a slider body, 14 is a shaft, 15 is a chute, 16 is a movable sheet, 17 is a movable expansion sheet, 18 is a fixed expansion sheet, 19 is a stator connecting sleeve, 20 is a second linear driver, 21 is a pressing sleeve, 22 is a third linear driver, 23 is a first connecting seat, 24 is a second connecting seat, 25 is a first rack, 26 is a guide rod, 27 is a pressing part, 28 is a second lifting driving mechanism, 29 is a push plate, 30 is a second rack, 31 is a rotary supporting device, 32 is a second mold core device, and 33 is a welding robot.
Detailed Description
Referring to fig. 1 and 2, the twisted slot device of the stator includes a grabbing release mechanism, a twisted mechanism inserted into a slot on the circumferential surface of the stator to twist the stator a, and a first mold core device, and the following components and their subsequent relationships are described in detail:
as shown in fig. 3, the grabbing and releasing mechanism comprises a first lifting driving mechanism and a grabbing and releasing part 1, wherein the grabbing and releasing part is connected with the first lifting driving mechanism. Preferably, the grabbing and releasing part 1 adopts a pneumatic clamping jaw. Preferably, the first elevation driving mechanism includes a first linear elevating mechanism and the coupling socket 2. The first linear lifting mechanism comprises an upright post 3, a first motor 4 and a first screw rod mechanism 5, wherein a first sliding rail 6 is arranged on the upright post 3, the first motor 4 is connected with the upright post 3, the first screw rod mechanism 5 is connected with the first motor 4, the connecting seat 2 is in sliding fit with the first sliding rail 6, and the connecting seat 2 is connected with the grabbing and releasing component 1.
As shown in fig. 3, when the first motor 4 works, the first screw mechanism 5 drives the connecting base 2 to move up and down, and the connecting base 2 drives the grabbing and releasing component 1 to move up and down.
As shown in fig. 1 and 2, the skew mechanism includes a linear actuator 7, a skew actuator 8, and a skew member 9 inserted into a groove on the circumferential surface of the stator a, the skew actuator 8 being connected to the linear actuator 7, and the skew member 9 being connected to the skew actuator 8. The linear driver 7 preferably adopts a structure consisting of an air cylinder and a sliding assembly, the skew driver 8 preferably adopts a speed reduction motor, and the skew component 9 preferably adopts a component with a T-shaped section.
As shown in fig. 1 and 2, when it is necessary to skew the slots of the stator a, the linear actuator 7 drives the skew actuator 8 to move linearly so that the skew member 9 is inserted into the slots on the circumferential surface of the stator a, the skew actuator 8 operates, and the skew actuator 8 drives the skew member 9 to rotate so that the slots of the stator become skewed slots.
As shown in fig. 1 and 2, the first die core device comprises a die core mechanism which penetrates through the stator a and forms a support for one end of the stator a, and a pressing mechanism which applies axial pressure to the other end of the stator. The mold core mechanism comprises a mold core expansion mechanism and a supporting mechanism, and the supporting mechanism surrounds the mold core expansion mechanism.
As shown in fig. 4 to 7, the mold core expansion mechanism includes a cylindrical mold core 10, a movable expansion mechanism moving along the radial direction of the mold core 10, and a first linear driving mechanism 11, wherein through holes are provided on the circumferential surface of the mold core 10, and the movable expansion mechanism is matched with the through holes. The first linear driving mechanism 11 is connected with the movable expansion mechanism. The through hole comprises a first through hole 10a, and the movable expansion mechanism is matched with the first through hole 10 a. The first linear drive mechanism 11 preferably has a structure composed of a cylinder and a connecting rod.
As shown in fig. 4 to 7, the movable expansion mechanism includes an expansion sliding base 12, an expansion sliding block connected to the first linear driving mechanism 11, and an expansion piece, wherein an assembly cavity is provided in the expansion sliding base 12, the expansion sliding block is located in the assembly cavity in the expansion sliding base 12, a part of the expansion piece is located in the assembly cavity in the expansion sliding base 12, the expansion piece is matched with the expansion sliding block through an inclined plane, and another part of the expansion piece is matched with a through hole on the mold core.
As shown in fig. 4 to 7, the expanding slider includes a slider body 13 and a shaft 14, and at least one end of the shaft 14 is connected to the slider body 13. The expansion piece is provided with a chute 15, and the shaft 14 passes through the chute 15 and is in clearance fit with the chute 15. The expansion piece comprises a movable piece 16 and a movable expansion piece 17 connected with the movable piece 16, the chute 15 is arranged on the movable piece 16, the section of the movable piece 16 is T-shaped, and the surface of the movable expansion piece 17 matched with the stator is an arc surface.
As shown in fig. 4 to 7, when the first linear driving mechanism 11 works, the first linear driving mechanism 11 drives the slider body 13 to move linearly, the slider body 13 drives the shaft 14 to move, the shaft 14 and the inclined slot 15 act to drive the movable plate 16 to move radially in the first through hole 10a, and the movable plate 16 drives the movable expansion piece 17 to move radially. Thereby forming the expansion effect on the coil and the silicon steel sheet in the stator A.
As shown in fig. 4 to 7, in the present invention, the mold core expansion mechanism further includes a fixed expansion piece 18, and the fixed expansion piece 18 is fixed on the outer circumferential surface of the mold core 10. The fixed expansion sheet 18 and the movable expansion sheet 17 form an expansion effect on the coil and the silicon steel sheet in the stator together.
The supporting mechanism comprises a first supporting mechanism moving along the axial direction of the mold core expansion mechanism and a plurality of second supporting mechanisms moving along the radial direction of the mold core expansion mechanism.
As shown in fig. 4 to 7, the first supporting mechanism includes a stator connecting sleeve 19, and a second linear actuator 20 for driving the stator connecting sleeve 19 to move axially along the mold core expansion mechanism, the second linear actuator 20 preferably adopts an air cylinder, the stator connecting sleeve 19 is sleeved on the mold core 10 in an empty manner, and because a coil is already embedded in the stator a and one end of the coil is led out of the stator a, the stator is supported by the stator connecting sleeve 19 and the lead end is pushed outwards, so that the lead end is prevented from being attached to the mold core 10, and then the stator a is supported by the second supporting mechanism. In addition, when the robot welds the silicon steel sheet in the stator a, the crater will be higher than the stator end face, and the stator a is exerted upward acting force through the stator connecting sleeve 19, and the second supporting mechanism can be opened after the stator is supported.
As shown in fig. 4 to 7, the second supporting mechanism includes a pressing sleeve 21, and a third linear actuator 22 for driving the pressing sleeve 21 to move along the radial direction of the core-expanding mechanism, and the third linear actuator 22 preferably employs an air cylinder. The clamping sleeve 21 is connected to a third linear drive 22. After the stator A is released by the stator connecting sleeve 19, the stator A is received by the pressing sleeve 21 and plays a supporting role.
As shown in fig. 2 to 8, the pressing mechanism includes a pressing assembly and a pressing holding mechanism, the grabbing and releasing mechanism cooperates with the pressing assembly to separate the pressing assembly from the stator or release the pressing assembly onto the stator, and the pressing holding mechanism cooperates with the pressing assembly released onto the stator after passing through the peripheral surface or end of the first mold core device to apply pressure to the pressing assembly so as to keep the pressing assembly pressing the stator. The preferred structure of the hold-down assembly and hold-down retention mechanism is as follows:
as shown in fig. 2 to 8, the pressing assembly includes a first connecting seat 23 engaged with the grabbing and releasing mechanism, a second connecting seat 24 engaged with the grabbing and releasing mechanism, a first rack 25, a guide rod 26, a spring (not shown), and a pressing member 27, wherein a cavity is provided in the first connecting seat 23, a portion of the first rack 25 is engaged in the cavity, a portion of the first rack 25 is exposed outside the cavity, the guide rod 26 is connected with the first rack 25, the guide rod 26 passes through the first connecting seat 23 and is connected with the second connecting seat 24, the spring is sleeved on the guide rod 26, one end of the spring abuts against the first rack 25, the other end of the spring abuts against the first connecting seat 23 or the guide rod 26, and the pressing member 27 is fixed to the first connecting seat 23. An abdicating space for the grabbing and releasing component 1 to enter or exit is arranged between the first connecting seat 23 and the second connecting seat 24, a first claw part matched with the grabbing and releasing component 1 is arranged on the first connecting seat 23, and a second claw part matched with the grabbing and releasing component 1 is arranged on the second connecting seat 24.
As shown in fig. 2 to 8, the pressing and holding mechanism includes a second lifting and driving mechanism 28, a push plate 29, and a second rack 30, the push plate 29 is connected to an output end of the second lifting and driving mechanism 28, the second rack 30 is fixed to the push plate 29, a second through hole is provided on a peripheral surface of the first mold core device, and the second rack 30 is fitted in the second through hole.
As shown in fig. 2 to 8, after the grasping and releasing part 1 drives the pressing assembly to move to the axial end face of the stator a, the pressing part 27 abuts against the axial end face of the stator a, at this time, the second lifting and lowering driving mechanism 28 drives the pressing plate 29 to descend, the pressing plate 29 drives the second rack 30 to move downward, the second rack 30 is matched with the first rack 25, if the tooth crest of the second rack 30 abuts against the tooth crest of the first rack 25 during the moving process of the second rack 30, the second rack 30 pushes the first rack 25 to move along with the continued movement of the second rack 30, the first rack 25 compresses the spring, when the tooth crest of the second rack 30 corresponds to the tooth trough of the first rack 25, the first rack 25 is reset under the restoring force of the spring, so that the first rack 25 and the second rack 30 form a stable matching, at this time, the second lifting and lowering driving mechanism 28 drives 29 to apply a holding force to the pressing plate 30, so that the force of the pressing member 27 on the stator a is maintained.
As shown in fig. 2 to 8, after the axial pressing force is generated on the stator a by the cooperation of the pressing holding mechanism and the pressing assembly, the grabbing and releasing component 1 releases the pressing assembly, and the grabbing and releasing component 1 is reset under the driving of the first lifting driving mechanism, or the grabbing and releasing component 1 is reset after the work of the torsion groove is performed.
As shown in fig. 2 to 8, when the matching relation between the pressing and holding mechanism and the pressing component needs to be released, the grabbing and releasing component 1 is driven by the first lifting and driving mechanism to move to the pressing component, the grabbing and releasing component 1 contracts to make the claw part close to the middle, when the claw portion of the grasping and releasing member 1 enters the space of abdication between the first coupling seat 23 and the second coupling seat 24, the claw parts of the grabbing and releasing component 1 move towards two sides and are respectively matched with the first claw parts on the first connecting seat 23, and a second claw part matched with the second connecting seat 24 and applying an outward strutting acting force to the first connecting seat 23 and the second connecting seat 24, under the action of the force, the second connecting seat 24 overcomes the force of the spring to drive the guide rod 26 to move, the guide rod 26 drives the first rack 25 to move, the first rack 25 is thereby separated from the second rack 30, and the hold-down mechanism is disengaged from the hold-down assembly.
Referring to fig. 1 and 2, the present invention is not limited to the above structure, and further includes a rotary support device 31, and a second mold core device 32 passing through the stator a and forming a support for the stator, the first mold core device being installed at one end of the rotary support device 31, and the second mold core device 32 being installed at the other end of the rotary support device 31. The second die core means 32 has the same structure as the first die core means. The present invention further includes a welding robot 33, and the welding robot 33 is located at one side of the rotation support means 31.
Referring to fig. 1 and 2, the rotary supporting means 31 and the second die core means 32 are provided for the purpose of performing the processes of assembling, pressing and twisting slots when the stator is assembled on the first die core means, and the corresponding stations of the processes are the loading and twisting slot stations. The second die core device 32 has completed the processes of assembling, pressing and twisting the chute, and the welding station of the welding robot 33 is located at the position of the second die core device 32. At this time, the welding robot can perform the welding operation with the stator on the second core means 32.
As shown in fig. 1 and 2, when the stator a completes the twisted chute at the feeding and twisted chute station, and the stator on the second mold core device 32 completes the welding, and the welded stator is unloaded, the positions of the first mold core device and the second mold core device 32 are switched under the action of the rotary supporting device 31, so that the first mold core device sleeved with the twisted chute stator is positioned at the welding station of the welding robot 33 for welding, and the second mold core device 32 is positioned at the feeding and twisted chute station for feeding and twisting chute. The work of twisting the chute and welding is alternately finished on the same device through the first die core device and the second die core device 32, which is beneficial to improving the production efficiency.
Claims (9)
1. The twisted slot device of stator, its characterized in that includes:
a grabbing and releasing mechanism;
a skew mechanism inserted into the upper groove of the peripheral surface of the stator for applying torque to the stator;
first mold core device, first mold core device include pass the stator and to the mold core mechanism that stator one end formed the support to and exert axial pressure's hold-down mechanism to the stator other end, hold-down mechanism includes:
the grabbing release mechanism is matched with the compressing assembly to separate the compressing assembly from the stator or release the compressing assembly onto the stator;
the pressing and holding mechanism is matched with the pressing component released to the stator to apply pressure to the pressing component after penetrating through the peripheral surface or the end part of the first mold core device, so that the pressing component can keep pressing on the stator;
the compressing assembly comprises:
the first connecting seat is matched with the grabbing and releasing mechanism, and a cavity is formed in the first connecting seat;
the second connecting seat is matched with the grabbing and releasing mechanism;
a first rack, a part of which is fitted in the cavity and a part of which is exposed outside the cavity;
the guide rod is connected with the first rack, and penetrates through the first connecting seat to be connected with the second connecting seat;
the spring is sleeved on the guide rod, one end of the spring abuts against the first rack, and the other end of the spring abuts against the first connecting seat or the guide rod;
the pressing component is fixed with the first connecting seat.
2. The torsion chute apparatus of a stator of claim 1, wherein the grip release mechanism comprises:
a first elevation drive mechanism;
and the grabbing and releasing part is connected with the first lifting driving mechanism.
3. The torsion chute apparatus of a stator of claim 1, wherein the hold down mechanism comprises:
a second elevation drive mechanism;
the push plate is connected with the output end of the second lifting driving mechanism;
and the second rack is fixed with the push plate, a second through hole is formed in the circumferential surface of the first mold core device, and the second rack is matched in the second through hole.
4. The skew slot arrangement of a stator as claimed in claim 1, wherein the skew mechanism comprises:
a linear actuator;
the skew driver is connected with the linear driver;
and a skew member inserted into a groove on the circumferential surface of the stator, the skew member being connected to the skew driver.
5. The torsion chute apparatus of a stator of claim 1, wherein the core mechanism comprises a core expansion mechanism and a support mechanism surrounding the core expansion mechanism.
6. The torsion chute apparatus of a stator of claim 5, wherein the core expansion mechanism comprises:
the cylindrical mold core is provided with through holes on the circumferential surface;
the movable expansion mechanism moves along the radial direction of the mold core and is matched with the through hole;
and the first linear driving mechanism is connected with the movable expansion mechanism.
7. The torsion chute apparatus of a stator of claim 5, wherein the support mechanism comprises:
the first supporting mechanism moves along the axial direction of the mold core expansion mechanism;
and the second support mechanisms move along the radial direction of the mold core expansion mechanism.
8. The torsion chute apparatus of a stator according to any one of claims 1 to 7, further comprising:
the first mold core device is arranged at one end of the rotary supporting device;
and the second mold core device penetrates through the stator and forms support for the stator, and the second mold core device is arranged at the other end of the rotary support device.
9. The twisted slot apparatus of a stator as claimed in claim 8, further comprising a welding robot located at one side of the rotary support means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539640.5A CN111682722B (en) | 2020-06-15 | 2020-06-15 | Twisted chute device of stator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539640.5A CN111682722B (en) | 2020-06-15 | 2020-06-15 | Twisted chute device of stator |
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| Publication Number | Publication Date |
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| CN111682722A CN111682722A (en) | 2020-09-18 |
| CN111682722B true CN111682722B (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010539640.5A Active CN111682722B (en) | 2020-06-15 | 2020-06-15 | Twisted chute device of stator |
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| CN113364232B (en) * | 2021-05-31 | 2024-01-12 | 联合汽车电子有限公司 | Automatic angle stacking equipment and method for magnetic steel-carrying lamination of featureless rotor |
| CN113732572B (en) * | 2021-08-03 | 2023-06-20 | 江苏本格自动化科技有限公司 | Motor stator skew welding machine |
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| CN105490469A (en) * | 2015-12-18 | 2016-04-13 | 贵阳航空电机有限公司 | Pressing clamp for skew overlying rotor |
| CN206542308U (en) * | 2017-01-22 | 2017-10-03 | 江阴华新电器科技股份有限公司 | A kind of stator piece welds skew frock |
| CN107309353A (en) * | 2017-08-23 | 2017-11-03 | 常州神力电机股份有限公司 | A kind of skewed stator core slot lamination tooling |
| CN107516981A (en) * | 2017-08-23 | 2017-12-26 | 常州神力电机股份有限公司 | A kind of skewed stator core slot lamination tooling taper key device |
| CN207039404U (en) * | 2017-08-23 | 2018-02-23 | 常州神力电机股份有限公司 | A kind of high power density stator self bonding iron core laminated frock |
| CN107689716A (en) * | 2017-10-12 | 2018-02-13 | 苏州工业职业技术学院 | Three pin skew formula stator core laminated molds |
| CN109483108A (en) * | 2018-12-29 | 2019-03-19 | 佛山市力雄机电有限公司 | A kind of inner circle automatic welding machine of skewed slot assembled piece type large-size stator |
| CN210475118U (en) * | 2019-05-05 | 2020-05-08 | 腾普(常州)精机有限公司 | Iron core punching sheet twisting, oblique pressing and stacking tool |
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| CN111682722A (en) | 2020-09-18 |
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