CN219535838U - Motor rotor press - Google Patents
Motor rotor press Download PDFInfo
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- CN219535838U CN219535838U CN202320768655.8U CN202320768655U CN219535838U CN 219535838 U CN219535838 U CN 219535838U CN 202320768655 U CN202320768655 U CN 202320768655U CN 219535838 U CN219535838 U CN 219535838U
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- press
- rotor
- electric cylinder
- shaft sleeve
- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a motor rotor press, comprising: the press-fit driving device and the rotating device are arranged at the upper end and the lower end of the frame; the rotating device comprises a rotating driving mechanism and a positioning jig arranged on the rotating driving mechanism; the press-fit driving device comprises a servo motor and an electric cylinder connected with the servo motor, and the movable end of the electric cylinder is connected with a rotor clamping head; the rotor clamping head is used for clamping a motor rotating shaft, the servo motor is used for driving the electric cylinder, and the electric cylinder is used for driving the rotor clamping head to do linear reciprocating motion; the positioning jig is used for bearing the iron core module, and the rotary driving mechanism is used for driving the positioning jig to do rotary motion; the utility model adopts a control mode with displacement control as a main and pressure control as an auxiliary, and can protect the rotating shaft and the rotor module from being damaged by the pressure of the compressor; the centering performance is good during press fitting; the rotating device can bear the pressure of the press and is positioned below the platform, so that the space utilization rate of the press is high; the press occupies small space and reduces the height of the operation plane.
Description
Technical Field
The utility model relates to the technical field of miniature synchronous rotor module press fitting, in particular to a motor rotor press.
Background
In the prior art, a rotor press usually adopts an oil cylinder as a driving device; firstly, an oil cylinder is used as a driving device, a hydraulic station system is required to be arranged beside a press, and the whole press occupies a larger space due to the fact that the volume of the press is large and the hydraulic station system is added; in the second aspect, the conventional press relies on pressure control, see fig. 3, when the iron core module presses the motor shaft shoulder, a signal is given when the pressure rises to a certain value, the oil cylinder retracts, but at the moment that the iron core module presses the motor shaft shoulder, the received pressure rises sharply, so that the iron core module is damaged or the motor shaft is bent, and scrapped is easily caused; in the third aspect, the traditional press has a higher platform, needs to be operated in a standing mode, is not in accordance with human engineering, and is easy to be tired for operators; in the fourth aspect, when the rotor modules are pressed, each rotor module needs to rotate by an angle, and the workbench of the conventional press is generally a plane, so that the corner mechanism purchased in the market cannot bear the acting force of the press, and the space is limited when the corner mechanism is modified on the conventional press. In summary, the traditional press occupies a large space, is easy to discard due to pressure control, is tired for a person due to standing operation, is inconvenient to retrofit when the corner mechanism is additionally arranged, and is not suitable for press mounting of the miniature synchronous rotor module.
Disclosure of Invention
The utility model mainly solves the technical problems that: the oil cylinder driving device adopted in the prior art is large in occupied space, is easy to discard due to pressure control, is tired for a person due to standing operation, is inconvenient to retrofit when the corner mechanism is additionally arranged, and is not suitable for press mounting of the miniature synchronous rotor module.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided an electric motor rotor press comprising: the device comprises a frame, a press-fit driving device and a rotating device, wherein the press-fit driving device and the rotating device are respectively arranged at the upper end and the lower end of the frame; the rotating device comprises a rotating driving mechanism and a positioning jig arranged on the rotating driving mechanism; the press-fit driving device comprises a servo motor and an electric cylinder connected with the servo motor, wherein the movable end of the electric cylinder extends downwards and is connected with a rotor clamping head, and the rotor clamping head is positioned above the positioning jig;
the rotor clamping head is used for clamping a motor rotating shaft, the servo motor is used for driving the electric cylinder to do telescopic motion, and the electric cylinder is used for driving the rotor clamping head to do linear reciprocating motion; the positioning jig is used for bearing the iron core module, and the rotation driving mechanism is used for driving the positioning jig to do rotation.
As an improvement, the device further comprises: a guide mechanism; the guide mechanism comprises a lifting plate and a guide shaft, the lifting plate is horizontally arranged at a position between the press-fit driving device and the rotating device, the lower end of the guide shaft is fixed with the lifting plate, and the upper end of the guide shaft vertically penetrates through the frame upwards and is in sliding connection with the frame; the movable end of the electric cylinder is connected with the upper surface of the lifting plate, and the rotor clamping head is connected with the lower surface of the lifting plate.
As an improved scheme, the servo motor and the electric cylinder are both arranged at the top end of the frame, the movable end of the electric cylinder downwards penetrates through the frame, and a pressure sensor is arranged at the joint of the lifting plate and the movable end of the electric cylinder.
As an improved scheme, a platform is arranged at the lower end of the frame, and the rotation driving mechanism is arranged at a position below the platform; the upper end of the rotation driving mechanism upwards penetrates through the platform, and the positioning jig is arranged at the upper end of the rotation driving mechanism.
As an improved scheme, the rotary driving mechanism comprises a shell, a stator iron core, a rotor iron core and a rotor shaft sleeve; the shell is fixed with the frame, and the stator core is arranged in the shell; the rotor shaft sleeve is arranged in the shell in a penetrating way, a deep groove ball bearing is arranged between the outer wall of the rotor shaft sleeve and the inner wall of the shell, and the rotor iron core is sleeved on the rotor shaft sleeve at a position corresponding to the stator iron core; the upper end of the rotor shaft sleeve extends out of the shell and upwards penetrates through the platform, the positioning jig is arranged at the end part of the upper end of the rotor shaft sleeve, and the rotor shaft sleeve and the rotor clamping head are coaxially arranged.
As an improved scheme, a stop block is arranged on the outer wall of the rotor shaft sleeve outside the shell, a groove is formed in the top end of the shell, corresponding to the stop block, and a thrust ball bearing is arranged at the position, between the stop block and the groove, of the outer wall of the rotor shaft sleeve.
As an improved scheme, an iron core placing groove is formed in the upper surface of the positioning jig, and a positioning column is arranged in the iron core placing groove.
As an improved scheme, an encoder is arranged at the lower end of the shell corresponding to the lower end of the rotor shaft sleeve.
As an improved scheme, a photoelectric sensor is arranged at the upper end of the shell close to the upper end of the rotor shaft sleeve.
As an improvement, the press further comprises a press controller, wherein the press controller is electrically connected with the press-fit driving device and the rotation driving mechanism respectively.
The beneficial effects of the utility model are as follows: the utility model is different from the traditional press adopting the oil cylinder driving device, adopts a control mode of mainly controlling displacement and secondarily controlling pressure, completes the press mounting when the rotor module approaches to the shaft stop shoulder, and can protect the shaft and the rotor module from being damaged by the pressure of the press because the shaft and the rotor module are stressed by no larger pressure; the centering performance is good during press fitting; the rotating device can bear the pressure of the press and is positioned below the platform, so that the space utilization rate of the press is high; the press occupies small space, reduces the height of an operation plane, can be operated in a sitting mode, and accords with human engineering.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of the rotating device of the present utility model;
FIG. 3 is a schematic diagram of a motor shaft and core module according to the present utility model;
the components in the drawings are marked as follows: 1. a frame; 2. a servo motor; 3. an electric cylinder; 4. a rotor clamping head; 5. a guide shaft; 6. a pressure sensor; 7. a motor shaft; 8. an iron core module; 9. a rotor sleeve; 10. positioning jig; 11. a thrust ball bearing; 12. deep groove ball bearings; 13. a housing; 14. a stator core; 15. an encoder; 16. a photoelectric sensor.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above" and "over" a second feature may be that the first feature is directly above or obliquely above the second feature, or simply that the first feature is higher in level than the second feature. The first feature being "under" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1 and 2, an embodiment of the present utility model includes:
an electric motor rotor press comprising: the device comprises a guide mechanism, a press controller, a frame 1, a press driving device and a rotating device, wherein the press driving device and the rotating device are respectively arranged at the upper end and the lower end of the frame 1; the rotating device comprises a rotating driving mechanism and a positioning jig 10 arranged on the rotating driving mechanism; the press-fit driving device comprises a servo motor 2 and an electric cylinder 3 connected with the servo motor 2, wherein the movable end of the electric cylinder 3 extends downwards and is connected with a rotor clamping head 4, and the rotor clamping head 4 is positioned above the positioning jig 10; the press controller is respectively and electrically connected with the press-fitting driving device and the rotation driving mechanism to control the actions of the press-fitting driving device and the rotation driving mechanism, and the control method of how the controller specifically controls the actions of the driving mechanism belongs to the conventional technical means in the field, and a person skilled in the art can select a proper control mode according to actual application scenes; the rotor clamping head 4 is used for clamping a motor rotating shaft 7, the servo motor 2 is used for driving the electric cylinder 3 to do telescopic motion, and the electric cylinder 3 is used for driving the rotor clamping head 4 to do linear reciprocating motion; the positioning jig 10 is used for bearing the iron core module 8, and the rotation driving mechanism is used for driving the positioning jig 10 to do rotation motion.
Specifically, the guide mechanism comprises a lifting plate and a guide shaft 5, wherein the lifting plate is horizontally arranged at a position between the press-fit driving device and the rotating device, the lower end of the guide shaft 5 is fixed with the lifting plate, and the upper end of the guide shaft 5 vertically penetrates through the frame 1 upwards and is in sliding connection with the frame 1; the movable end of the electric cylinder 3 is connected with the upper surface of the lifting plate, and the rotor clamping head 4 is connected with the lower surface of the lifting plate. The servo motor 2 and the electric cylinder 3 are both arranged at the top end of the frame 1, the movable end of the electric cylinder 3 downwards penetrates through the frame 1, and a pressure sensor 6 is arranged at the joint of the lifting plate and the movable end of the electric cylinder 3. The rotor clamping head 4 is clamped with a motor rotating shaft 7, the servo motor 2 drives the electric cylinder 3, and the electric cylinder 3 drives the lifting plate to lift, so that the motor rotating shaft 7 is driven to reciprocate up and down, and the guide shaft 5 and the frame 1 are matched in a sliding manner to further keep the motor rotating shaft 7 stable in the up-down motion, so that the centering performance is improved.
Specifically, a platform is arranged at the lower end of the frame 1, and the rotation driving mechanism is arranged at the position below the platform; the upper end of the rotation driving mechanism upwards penetrates through the platform, and the positioning jig 10 is arranged at the upper end of the rotation driving mechanism. The rotation driving mechanism comprises a shell 13, a stator core 14, a rotor core and a rotor shaft sleeve 9; the shell 13 is fixed with the frame 1, and the stator iron core 14 is arranged in the shell 13; the rotor shaft sleeve 9 is arranged in the shell 13 in a penetrating way, a deep groove ball bearing 12 is arranged between the outer wall of the rotor shaft sleeve 9 and the inner wall of the shell 13, and the rotor iron core is sleeved on the rotor shaft sleeve 9 at a position corresponding to the stator iron core 14; the upper end of the rotor shaft sleeve 9 extends out of the shell 13 and upwards penetrates through the platform, the positioning jig 10 is installed at the upper end of the rotor shaft sleeve 9, and the rotor shaft sleeve 9 and the rotor clamping head 4 are coaxially arranged. The outer wall of the rotor shaft sleeve 9 positioned outside the shell 13 is provided with a stop block, the top end of the shell 13 is provided with a groove corresponding to the position of the stop block, the position of the outer wall of the rotor shaft sleeve 9 positioned between the stop block and the groove is provided with a thrust ball bearing 11, and the thrust ball bearing 11 is used for bearing the axial pressure of the press.
Specifically, the iron core standing groove has been seted up to positioning fixture 10 upper surface, be equipped with the reference column in the iron core standing groove, when iron core module 8 put into the iron core standing groove in the positioning fixture 10, the reference column can make iron core module 8 put according to fixed angle, is convenient for follow-up angle of adjustment.
Specifically, the lower end of the housing 13 is provided with an encoder 15 corresponding to the lower end of the rotor sleeve 9. The upper end of the shell 13 is provided with a photoelectric sensor 16 near the upper end of the rotor shaft sleeve 9.
The application scene of the utility model is the press mounting of the miniature synchronous rotor module, a plurality of iron core modules 8 are required to be press-mounted on the motor rotating shaft 7, and each iron core module 8 needs to rotate by an angle; the electric cylinder 3 drives the motor rotating shaft 7 to be processed to be inserted into the first iron core module 8 on the positioning jig 10, the electric cylinder 3 drives the motor rotating shaft 7 to drive the first iron core module 8 to be lifted together, the second iron core module 8 is placed into the positioning jig 10, the rotation driving mechanism drives the second iron core module 8 to rotate by an angle, the electric cylinder 3 drives the motor rotating shaft 7 to be inserted into the second iron core module 8, and the above actions are repeated until the press mounting of the whole rotor is completed.
The utility model is different from the traditional press adopting the oil cylinder driving device, adopts a control mode of mainly controlling displacement and secondarily controlling pressure, completes the press mounting when the rotor module approaches to the shaft stop shoulder, and can protect the shaft and the rotor module from being damaged by the pressure of the press because the shaft and the rotor module are stressed by no larger pressure; the centering performance is good during press fitting; the rotating device can bear the pressure of the press and is positioned below the platform, so that the space utilization rate of the press is high; the press occupies small space, reduces the height of an operation plane, can be operated in a sitting mode, and accords with human engineering.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures made by the description of the utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the utility model.
Claims (10)
1. An electric motor rotor press, comprising: the device comprises a frame, a press-fit driving device and a rotating device, wherein the press-fit driving device and the rotating device are respectively arranged at the upper end and the lower end of the frame; the rotating device comprises a rotating driving mechanism and a positioning jig arranged on the rotating driving mechanism; the press-fit driving device comprises a servo motor and an electric cylinder connected with the servo motor, wherein the movable end of the electric cylinder extends downwards and is connected with a rotor clamping head, and the rotor clamping head is positioned above the positioning jig;
the rotor clamping head is used for clamping a motor rotating shaft, the servo motor is used for driving the electric cylinder to do telescopic motion, and the electric cylinder is used for driving the rotor clamping head to do linear reciprocating motion; the positioning jig is used for bearing the iron core module, and the rotation driving mechanism is used for driving the positioning jig to do rotation.
2. The electric machine rotor press of claim 1, further comprising: a guide mechanism; the guide mechanism comprises a lifting plate and a guide shaft, the lifting plate is horizontally arranged at a position between the press-fit driving device and the rotating device, the lower end of the guide shaft is fixed with the lifting plate, and the upper end of the guide shaft vertically penetrates through the frame upwards and is in sliding connection with the frame; the movable end of the electric cylinder is connected with the upper surface of the lifting plate, and the rotor clamping head is connected with the lower surface of the lifting plate.
3. A motor rotor press as claimed in claim 2, wherein: the servo motor and the electric cylinder are both arranged at the top end of the frame, the movable end of the electric cylinder downwards penetrates through the frame, and a pressure sensor is arranged at the joint of the lifting plate and the movable end of the electric cylinder.
4. An electric motor rotor press as set forth in claim 1 wherein: a platform is arranged at the lower end of the frame, and the rotation driving mechanism is arranged at a position below the platform; the upper end of the rotation driving mechanism upwards penetrates through the platform, and the positioning jig is arranged at the upper end of the rotation driving mechanism.
5. An electric motor rotor press as set forth in claim 4 wherein: the rotary driving mechanism comprises a shell, a stator iron core, a rotor iron core and a rotor shaft sleeve; the shell is fixed with the frame, and the stator core is arranged in the shell; the rotor shaft sleeve is arranged in the shell in a penetrating way, a deep groove ball bearing is arranged between the outer wall of the rotor shaft sleeve and the inner wall of the shell, and the rotor iron core is sleeved on the rotor shaft sleeve at a position corresponding to the stator iron core; the upper end of the rotor shaft sleeve extends out of the shell and upwards penetrates through the platform, the positioning jig is arranged at the end part of the upper end of the rotor shaft sleeve, and the rotor shaft sleeve and the rotor clamping head are coaxially arranged.
6. An electric motor rotor press as set forth in claim 5 wherein: the rotor shaft sleeve outer wall located outside the shell is provided with a stop block, the top end of the shell is provided with a groove corresponding to the position of the stop block, and a thrust ball bearing is arranged at the position of the rotor shaft sleeve outer wall located between the stop block and the groove.
7. An electric motor rotor press as set forth in claim 5 wherein: the iron core standing groove is formed in the upper surface of the positioning jig, and the positioning column is arranged in the iron core standing groove.
8. An electric motor rotor press as set forth in claim 5 wherein: and an encoder is arranged at the lower end of the shell corresponding to the lower end of the rotor shaft sleeve.
9. An electric motor rotor press as set forth in claim 5 wherein: and a photoelectric sensor is arranged at the upper end of the shell close to the upper end of the rotor shaft sleeve.
10. The electric motor rotor press of claim 1, further comprising a press controller electrically connected to the press-fit drive and the rotary drive mechanism, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768655.8U CN219535838U (en) | 2023-04-10 | 2023-04-10 | Motor rotor press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320768655.8U CN219535838U (en) | 2023-04-10 | 2023-04-10 | Motor rotor press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219535838U true CN219535838U (en) | 2023-08-15 |
Family
ID=87635161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320768655.8U Active CN219535838U (en) | 2023-04-10 | 2023-04-10 | Motor rotor press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219535838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967732A (en) * | 2023-08-16 | 2023-10-31 | 小米汽车科技有限公司 | Electric drive axle press-fitting system |
-
2023
- 2023-04-10 CN CN202320768655.8U patent/CN219535838U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116967732A (en) * | 2023-08-16 | 2023-10-31 | 小米汽车科技有限公司 | Electric drive axle press-fitting system |
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