CN114123679A - Flexible attaching mechanism for three-in-one motor stator and rotor - Google Patents
Flexible attaching mechanism for three-in-one motor stator and rotor Download PDFInfo
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- CN114123679A CN114123679A CN202111425385.2A CN202111425385A CN114123679A CN 114123679 A CN114123679 A CN 114123679A CN 202111425385 A CN202111425385 A CN 202111425385A CN 114123679 A CN114123679 A CN 114123679A
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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
-
- 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
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
-
- 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
- H02K15/14—Casings; Enclosures; Supports
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a flexible assembling mechanism of a three-in-one motor stator rotor, which comprises a bracket, a bracket mounting plate, a rotary table mounting plate, a guide rod mechanism, a positioning seat and a plurality of clamping mechanisms, wherein the bracket is fixedly connected with the bracket; the clamping mechanisms are distributed on the rotary table mounting plate in an annular array mode and used for clamping the lower edge of the stator inner ring, the positioning seat is arranged in the middle of the upper end of the rotary table mounting plate and used for axially supporting the stator inner ring, the guide rod mechanism is provided with a guide rod in contact with the rotor inner ring, and the guide rod penetrates through the positioning seat and is driven by the air cylinder II; the rotary table mounting plate is rotatably connected with the support mounting plate through a rotary table bearing so as to ensure that the rotor and the stator are circumferentially and accurately positioned. The motor stator is fixed by adopting a clamping mechanism, so that the rotor is prevented from moving up and down due to magnetic influence in the process of being installed in the stator, and the rotor bearing is ensured to be installed in place after being pressed into the stator; the stator is positioned by the diamond-shaped pin, and the floating rotary table is added at the stator placing position, so that the circumferential accurate positioning of the rotor and the stator after the stator and the rotor are combined is ensured.
Description
Technical Field
The invention relates to the field of motor assembling equipment, in particular to a flexible assembling mechanism for three-in-one motor stator and rotor.
Background
With the vigorous development of the new energy automobile industry, the demand of a new energy motor is increasing day by day, the integrated design of the motor is the future development trend of the new energy automobile, and the three-in-one motor is a typical example of the integrated design and is favored by automobile manufacturers more and more. The three-in-one motor is a technology integrating electric control, a motor and a speed reducer into a whole, and one of the difficulties is that the assembly difficulty of the motor caused by high integration is increased. The motor of trinity motor and ordinary form also contains stator casing and rotor two parts subassembly, and the motor still directly links to each other with the reduction gear simultaneously, and the overall dimension is bigger than ordinary motor, and the stator rotor attaches together more difficultly, needs the special equipment that attaches together.
The new forms of energy motor is permanent magnet synchronous motor generally, and the equipartition has a large amount of magnetism steel sheets in its rotor, and the stator is steel shell generally, and the rotor has extremely strong magnetism, and the stator is extremely easily inhaled mutually at the in-process that stator and rotor attach together, leads to in the unable accuracy of rotor shaft inserts the stator, causes the installation not in place.
Some of the stator and rotor combination devices in the prior art adopt a guide device to solve the problem of radial stator and rotor attraction, but the problem of axial stator and rotor attraction cannot be effectively solved, for example, the patent is 'a non-contact permanent magnet generator stator and rotor combination device' application No. 202011591400.6 and 'a driving motor stator and rotor combination tool' application No. 202021650566.6. Some techniques fix the stator through a simple clamping device, but the technique is not applicable to the stator with a complex shell shape, for example, the patent application No. 202022083374.8 of 'a single air gap type permanent magnet disc type motor stator and rotor assembling tool'.
Some techniques are provided with a movable tray for placing stator shells, so that different types of stator shells can be placed, but no effective method for overcoming circumferential position errors when the stator shells are placed is available, for example, the patent application number 201810716136.0 of new energy motor stator shell and rotor combination equipment; some techniques have a stator and rotor circumferential positioning structure, but cannot realize automatic adjustment of circumferential errors, for example, patent application No. 202022018827.9 of "stator and rotor assembling machine".
Therefore, in the prior art, the axial guide structure is added when the stator and the rotor are combined, so that the problem that the rotor is attracted to be deviated due to magnetism in the radial direction when the stator and the rotor are combined is basically solved, but the problem of magnetic attraction and play in the axial direction of the stator cannot be solved due to the guide structure, and the rotor is possibly not installed in place.
The stator is fixed through a simple clamping device in the prior art, the problem that the stator moves up and down due to magnetic attraction is solved, the stator shell with a complex shape cannot be suitable, meanwhile, the stator shell is simply clamped, the problem of circumferential errors possibly generated when the stator is placed in a press fitting position cannot be solved, and the accurate positioning of the circumferential direction of the rotor and the circumferential direction of the stator after the stator and the rotor are assembled together cannot be guaranteed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a flexible assembling mechanism of a stator and a rotor of a three-in-one motor, so as to solve the problem of circumferential errors possibly generated when the stator is placed at a press-fitting position due to the fact that the stator moves up and down through magnetic attraction.
Therefore, the invention provides a flexible assembling mechanism of a three-in-one motor stator and rotor, which comprises a bracket, a bracket mounting plate, a rotary table mounting plate, a guide rod mechanism, a positioning seat and a plurality of clamping mechanisms, wherein the bracket mounting plate is arranged on the bracket; the clamping mechanisms are distributed on the rotary table mounting plate in an annular array and used for clamping the lower edge of the stator inner ring, the positioning seat is arranged in the middle of the upper end of the rotary table mounting plate and used for axially supporting the stator inner ring, the guide rod mechanism is provided with a guide rod in contact with the rotor inner ring, and the guide rod penetrates through the positioning seat and is driven by a second air cylinder; the rotary table mounting plate is rotatably connected with the support mounting plate through a rotary table bearing, so that the rotor and the stator are circumferentially and accurately positioned.
Further, a second fixing block is arranged on the rotary table mounting plate, a first fixing block is arranged on the support mounting plate, and the first fixing block is connected with the second fixing block through a spring.
Further, the first fixing block and the second fixing block are movably connected through bolts to adjust the maximum rotation amplitude of the rotary table mounting plate.
Furthermore, the clamping mechanism comprises a clamping jaw, a clamping jaw mounting block and a first air cylinder, and the first air cylinder drives the clamping jaw to move outwards in the radial direction so as to clamp the lower edge of the inner ring of the stator.
Furthermore, a plurality of avoiding grooves used for avoiding the clamping jaws are formed in the positioning seat.
Further, be equipped with two at least stator level detection mechanisms on the revolving stage mounting panel, stator level detection mechanism includes horizontal support pole and contact sensor, horizontal support pole inside have with the movable part of stator contact, contact sensor passes through movable part's removal condition is judged whether the level is placed to the stator.
Furthermore, a plurality of fixed support rods are arranged on the rotary table mounting plate and used for supporting the motor shell on the outer side of the stator.
Furthermore, a plurality of diamond pins are arranged at the upper end of the positioning seat and are used for circumferentially positioning the stator.
Further, the lower end of the support mounting plate is provided with a shaft sleeve matched with the guide rod.
Further, the second air cylinder is arranged on the support, and the guide rod is connected with the second air cylinder through a connecting piece.
The flexible combining mechanism for the three-in-one motor stator and the rotor adopts the clamping mechanism to fix the motor stator, avoids the vertical movement of the rotor caused by the magnetic influence in the process of assembling the rotor into the stator, and ensures that the rotor bearing is assembled in place after being pressed into the stator; the motor stator is positioned by the positioning pin, and the floating rotary table is added at the stator placing position, so that the circumferential position deviation when the stator is placed can be offset, and the accurate positioning of the rotor circumference and the stator circumference after the stator and the rotor are combined is ensured; the stator and rotor combining equipment is suitable for automatic production and has high production efficiency.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a three-in-one motor stator and rotor flexible assembling mechanism of the present invention, which is a three-in-one motor stator and rotor combined three-dimensional structure;
FIG. 2 is a schematic structural diagram of a flexible assembling mechanism of a stator and a rotor of a three-in-one motor according to the present invention;
FIG. 3 is a side view of the shaft of the flexible attachment mechanism for the three-in-one motor stator and rotor of the present invention;
FIG. 4 is a sectional view taken along the direction A-A of the flexible assembling mechanism of the stator and rotor of the three-in-one motor of the present invention;
fig. 5 is a sectional view in the direction B-B of the flexible combining mechanism of the three-in-one motor stator and rotor of the present invention.
Description of the reference numerals
1. A bracket mounting plate; 2. a turntable mounting plate; 3. connecting blocks; 4. a first cylinder; 5. a guide rail; 6. a clamping jaw mounting block; 7. a clamping jaw; 8. positioning seats; 9. fixing the support rod; 10. a connecting member; 11. a contact sensor; 12. a horizontal support bar; 13. a first fixed block; 14. a spring; 15. a second fixed block; 16. a guide bar; 17. a bolt; 18. a turntable bearing; 19. a second air cylinder; 20. a rotor; 21. a stator; 22. a bearing; 23. a support; 24. a diamond pin; 25. a shaft sleeve; 26. a connecting member.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 5, the flexible assembling mechanism for three-in-one motor stator and rotor of the present invention comprises: the support 23, the support mounting plate 1, the turntable mounting plate 2, three groups of clamping mechanisms, stator supporting mechanisms and guide rod mechanisms which are uniformly distributed and mounted on the turntable mounting plate 2.
Specifically, as shown in fig. 2 and 3, the clamping mechanism is composed of a clamping jaw 7, a clamping jaw mounting block 6, a connecting block 3 and a cylinder I4, the clamping jaw is driven by the cylinder I to move on a guide rail 5, and the clamping jaw clamps the lower edge of the inner ring of the stator 21 when moving outwards.
The stator supporting mechanism is divided into three fixed supporting rods 9 and two stator horizontal detection mechanisms, each stator horizontal detection mechanism comprises a horizontal supporting rod 12, a contact sensor 11 and a connecting piece 10, a movable part moving along the vertical direction is arranged inside each horizontal supporting rod 12, and the contact sensor 11 is installed on one side of each horizontal supporting rod 12 through the connecting piece 10.
The stator 21 is supported on the horizontal support rod 12 and pushes the movable part to move downwards, whether the stator 21 is placed horizontally is judged by whether the contact sensor 11 is in contact with the movable part, and then the central axis of the stator placed on the fixed support rod 9 is in the vertical direction and is parallel to the central axis of the rotor 20. The fixed support bar 9 is used to support the motor housing outside the stator.
The turntable mounting plate 2 is rotatably connected with the support mounting plate 1 through a turntable bearing 18, the second fixing block 15 is mounted on the turntable mounting plate 2, the first fixing block 13 is mounted on the support mounting plate 1, and the first fixing block 13 is connected with the second fixing block 15 through a spring 14.
As shown in fig. 4, the stand mounting plate 1 is mounted on the stand 23, and the turntable bearing 18 is further provided between the turntable mounting plate 2 and the stand mounting plate 1, so that when the stator 21 is placed on the fixed support bar 9, if the circumferential position is not aligned, the turntable mounting plate 2 is forced to rotate, and then is restored to the correct position due to the deformation of the spring 14. The first fixing block 13 is movably connected with the second fixing block 15 through a bolt 17, and the maximum rotation amplitude of the turntable mounting plate 2 is adjusted through the bolt.
An annular positioning seat 8 is arranged in the middle of the upper end of the turntable mounting plate 2, a guide rod 16 is arranged on the inner side of the positioning seat 8, and a diamond pin 24 is arranged at the upper end of the positioning seat 8; the bearing 22 is already installed on the rotor 20 before the stator is installed, the bearing 22 is not directly contacted with the equipment, the inner ring of the rotor is contacted with the guide rod 16, the inner ring of the stator is contacted with the positioning seat 8, three avoiding grooves for avoiding the clamping jaws 7 are arranged on the positioning seat 8, the stator is positioned by the positioning seat 8 and the diamond-shaped pin 24, and the diamond-shaped pin 24 is used for circumferentially positioning the stator 21.
As shown in fig. 5, a second cylinder 19 is fixed on the bracket 23, the guide rod 16 is connected with the second cylinder 19 through a connecting piece 26, a shaft sleeve 25 is arranged at the lower end of the bracket mounting plate 1, the shaft sleeve 25 is slidably connected with the guide rod 16, and the guide rod 16 can move up and down linearly through the shaft sleeve 25.
The fixed support rods 9, the stator level detection mechanism, and the clamping mechanism according to the present invention are not limited to two or three as shown in the drawings, and may be a plurality of fixed support rods, and may be uniformly distributed on the turntable mounting plate 2.
In addition, the invention is applied to the combination of the stator and the rotor of the three-in-one motor, and the invention can also be suitable for the combination of the stator and the rotor of the common motor because the three-in-one motor has larger size than the common motor.
The working principle and the working process of the flexible combining mechanism of the three-in-one motor stator and rotor are briefly described below with reference to the attached drawings.
Firstly, according to the concrete position of stator shell structure adjustment fixed stay 9, the manipulator snatchs stator 21 and places on this equipment, realizes the level through fixed stay 9 and horizontal support pole 12 support stator 21 and places. If there is a circumferential error when the manipulator places the stator, because the revolving stage mounting plate 2 is floated, the bracing piece still is the correct contact with the stator, then through the resilience of spring 14 with revolving stage mounting plate 2 just back, offset the circumferential error when the stator was placed.
Then, the cylinder I4 drives the clamping jaw 7 to move outwards to clamp the lower edge of the inner ring of the stator, and the guide rod 16 is driven by the cylinder II 19 to penetrate through the positioning seat 8 to extend out. The rotor 20 is pressed downwards into the stator 21 by a pneumatic actuator, and the lower edge of the inner ring of the rotor 20 is firstly contacted with the top of the guide rod 16, so that the radial direction of the rotor 20 is not influenced by magnetic attraction in the downward movement process.
Finally, the rotor 20 is slowly pressed into the stator 21 together with the guide bar 16 until the bearing 22 is completely pressed into the stator inner ring. After the stator and the rotor are assembled, the guide rod 16 is retracted downwards, the clamping jaw 7 is loosened, and the manipulator grabs the assembled motor.
The flexible assembling mechanism of the three-in-one motor stator and rotor utilizes the following working principle:
(1) the stator is placed on a press-fitting station through a manipulator, and because the press-fitting station of the device is provided with a floating rotary table, the circumferential position error of the stator during placement can be automatically offset;
(2) the three-jaw type clamping jaw of the stator clamping device contacts the lower edge of the inner ring of the stator press-fitting bearing to clamp the stator;
(3) a bearing is installed on the rotor in advance and enters a press-fitting position, and the guide rod penetrates through an inner ring of the stator press-fitting bearing and extends upwards;
(4) the electric actuator presses the rotor downwards, and when the electric actuator contacts the rotor guide rod, the guide rod follows the downward press-fitting movement of the rotor;
(5) after the rotor smoothly enters the stator, the rotor bearing is pressed into the inner ring of the stator; and the manipulator grabs the combined motor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A flexible combining mechanism for three-in-one motor stator and rotor is characterized by comprising a bracket (23), a bracket mounting plate (1), a turntable mounting plate (2), a guide rod mechanism, a positioning seat (8) and a plurality of clamping mechanisms;
the clamping mechanisms are distributed on the rotary table mounting plate (2) in an annular array mode and used for clamping the lower edge of the inner ring of the stator (21), the positioning seat (8) is arranged in the middle of the upper end of the rotary table mounting plate (2) and used for axially supporting the inner ring of the stator (21), the guide rod mechanism is provided with a guide rod (16) which is in contact with the inner ring of the rotor (20), and the guide rod (16) penetrates through the positioning seat (8) and is driven by a second air cylinder (19);
the rotary table mounting plate (2) is rotatably connected with the support mounting plate (1) through a rotary table bearing (18) to ensure that the rotor (20) and the stator (21) are circumferentially and accurately positioned.
2. The flexible three-in-one motor stator and rotor combining mechanism as claimed in claim 1, wherein a second fixing block (15) is disposed on the turntable mounting plate (2), a first fixing block (13) is disposed on the bracket mounting plate (1), and the first fixing block (13) is connected to the second fixing block (15) through a spring (14).
3. The flexible combining mechanism of three-in-one motor stator and rotor as claimed in claim 2, wherein the first fixing block (13) is movably connected with the second fixing block (15) through a bolt (17) to adjust the maximum rotation amplitude of the turntable mounting plate (2).
4. The flexible three-in-one motor stator and rotor assembling mechanism as claimed in claim 1, wherein the clamping mechanism comprises a clamping jaw (7), a clamping jaw mounting block (6) and a cylinder (4), and the cylinder (4) drives the clamping jaw (7) to move radially outwards so as to clamp the lower edge of the inner ring of the stator (21).
5. The flexible assembling mechanism for three-in-one motor stator and rotor according to claim 4, wherein the positioning seat (8) is provided with a plurality of avoiding grooves for avoiding the clamping jaws (7).
6. The flexible mechanism that attaches together of trinity motor stator rotor of claim 1, characterized in that is equipped with two at least stator level detection mechanisms on revolving stage mounting panel (2), stator level detection mechanism includes horizontal support pole (12) and contact pick up (11), horizontal support pole (12) inside have with the movable part of stator (21) contact, contact pick up (11) are passed through the removal condition of movable part judges whether level is placed in stator (21).
7. The three-in-one motor stator and rotor flexible assembling mechanism according to claim 1, wherein a plurality of fixed support rods (9) are arranged on the turntable mounting plate (2) for supporting the motor housing outside the stator (21).
8. The flexible assembling mechanism for three-in-one motor stator and rotor as claimed in claim 1, wherein a plurality of diamond pins (24) are arranged at the upper end of the positioning seat (8), and the diamond pins (24) are used for circumferentially positioning the stator (21).
9. The flexible assembling mechanism for three-in-one motor stator and rotor as claimed in claim 1, wherein the lower end of the bracket mounting plate (1) is provided with a shaft sleeve (25) engaged with the guide rod (16).
10. The flexible combining mechanism of stator and rotor of three-in-one motor as claimed in claim 1, wherein the second cylinder (19) is disposed on the bracket (23), and the guide rod (16) is connected to the second cylinder (19) through a connecting member (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425385.2A CN114123679A (en) | 2021-11-26 | 2021-11-26 | Flexible attaching mechanism for three-in-one motor stator and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425385.2A CN114123679A (en) | 2021-11-26 | 2021-11-26 | Flexible attaching mechanism for three-in-one motor stator and rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114123679A true CN114123679A (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111425385.2A Pending CN114123679A (en) | 2021-11-26 | 2021-11-26 | Flexible attaching mechanism for three-in-one motor stator and rotor |
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| CN (1) | CN114123679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833511A (en) * | 2022-12-09 | 2023-03-21 | 凤台坤泰车辆动力科技有限公司 | Hybrid power transmission motor stator and rotor combining device and method thereof |
-
2021
- 2021-11-26 CN CN202111425385.2A patent/CN114123679A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115833511A (en) * | 2022-12-09 | 2023-03-21 | 凤台坤泰车辆动力科技有限公司 | Hybrid power transmission motor stator and rotor combining device and method thereof |
| CN115833511B (en) * | 2022-12-09 | 2024-02-23 | 安徽坤泰车辆动力科技有限公司 | Stator and rotor combined assembly device and method for motor of hybrid power transmission |
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