CN220822849U - Rotor core lamination clamp - Google Patents
Rotor core lamination clamp Download PDFInfo
- Publication number
- CN220822849U CN220822849U CN202322521950.6U CN202322521950U CN220822849U CN 220822849 U CN220822849 U CN 220822849U CN 202322521950 U CN202322521950 U CN 202322521950U CN 220822849 U CN220822849 U CN 220822849U
- Authority
- CN
- China
- Prior art keywords
- movable seat
- rotor core
- mandrel
- base
- expansion
- 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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- 238000003475 lamination Methods 0.000 title claims description 22
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 abstract description 7
- 238000012797 qualification Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008111 motor development Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides a rotor core laminating clamp which comprises a bearing table, wherein the bearing table comprises a base and a movable seat, the movable seat is arranged above the base, and a spring is arranged between the base and the movable seat; the expansion assembly comprises a mandrel and a plurality of expansion pieces, the mandrel penetrates through the movable seat, the mandrel is provided with a plurality of inclined grooves which are circumferentially distributed, the inclined grooves incline downwards towards the axis direction of the mandrel, and the expansion pieces are connected with the movable seat and are movably arranged on the corresponding inclined grooves; the movable seat moves downwards under the action of gravity of the rotor core, so that the expansion pieces are driven to move downwards along the inclined grooves in an inclined way, and the expansion pieces move radially. The movable seat drives the expansion piece to move downwards under the gravity action of the rotor core; when the expansion piece moves downwards, under the action of the inclined plane of the expansion piece and the mandrel, the expansion piece moves radially, the inner hole of the rotor core can be limited and fixed, deformation of the inner hole of the rotor core is prevented, and accordingly the qualification rate of coaxiality of the rotor core is effectively improved.
Description
Technical Field
The utility model relates to the technical field of motor manufacturing, in particular to a rotor core lamination clamp.
Background
With the rapid development of the motor industry, miniaturization and thinning of brushless motors have been a trend of motor development. At present, the silicon steel sheet of the variable frequency series rotor core for the compressor has the characteristics of large slotted hole, few buckling points, thin wall and the like. When the oil press is used for laminating and the telescopic laminating tool is not matched, the rotor core is easy to deform, for example, the silicon steel sheet is easy to skew and deform during lamination, and the coaxiality of the rotor core cannot be guaranteed to meet the requirements.
Disclosure of Invention
The utility model mainly aims to provide a rotor core lamination clamp, which aims to effectively solve the technical problem that in the prior art, an inner hole of a rotor core is deformed in the lamination process, so that the coaxiality of the rotor core is unqualified.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
The utility model provides a rotor core lamination clamp, which comprises:
The bearing table comprises a base and a movable seat, wherein the movable seat is positioned above the base, and a spring is arranged between the base and the movable seat;
The expansion assembly comprises a mandrel and a plurality of expansion pieces, the mandrel penetrates through the movable seat, the mandrel is provided with a plurality of inclined grooves which are circumferentially distributed, the inclined grooves incline downwards towards the axis direction of the mandrel, and the expansion pieces are connected with the movable seat and are movably arranged on the corresponding inclined grooves;
The movable seat moves downwards under the action of gravity of the rotor core, so that the expansion pieces are driven to move downwards obliquely along the chute, and a plurality of expansion pieces move radially.
Compared with the prior art, the rotor core laminating clamp is applied to a laminating machine. Sleeving the rotor core on the mandrel, and supporting the rotor core by the movable seat; the movable seat drives the expansion piece to move downwards under the action of gravity of the rotor core; when the expansion piece moves downwards, under the action of the inclined plane of the expansion piece and the mandrel, the expansion piece moves radially, the inner hole of the rotor core is provided with an outwards expanding acting force, the inner hole of the rotor core can be limited and fixed, deformation of the inner hole of the rotor core is prevented, and accordingly the qualification rate of coaxiality of the rotor core is effectively improved.
In a preferred embodiment, the end face of the expanding member, which abuts against the chute, is an inclined surface, the inclination angle of the inclined surface is the same as that of the chute, and the end face of the expanding member, which faces the inclined surface, is an arc-shaped surface arranged along the vertical direction.
In a preferred embodiment, the bearing table further comprises a guide shaft, one end of the guide shaft is fixedly connected with the movable seat, the other end of the guide shaft is movably arranged in the base, and the spring is sleeved on the guide shaft.
In a preferred embodiment, the base has a guide cavity for the guide shaft to move up and down; one end of the guide shaft, which is positioned at the base, is provided with a limiting part; when the limiting part is abutted with the upper end face of the guide cavity, the movable seat is located at the highest height; when the movable seat is located at the highest height, one end of the spring is abutted with the movable seat, and the other end of the spring is abutted with the base.
In a preferred embodiment, the base is provided with a protrusion in a vertical direction, and the movable seat is located at a lowest height when the movable seat abuts against the protrusion.
In a preferred embodiment, the rotor core lamination clamp further comprises a jacking structure, wherein the jacking structure is connected with the mandrel, and the mandrel is driven by the jacking structure to conduct lifting movement.
In a preferred embodiment, the jacking structure comprises a cylinder, and the driving end of the cylinder is connected with the mandrel.
For a better understanding and implementation, the following drawings illustrate the utility model in detail.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
Fig. 1 is a schematic structural view of a rotor core lamination jig;
Fig. 2 is a schematic cross-sectional view of a rotor core lamination jig;
FIG. 3 is a schematic structural view of the expansion assembly;
fig. 4 is a schematic cross-sectional view of the expansion assembly.
Reference numerals illustrate:
11-base, 111-guiding cavity, 112-bulge, 12-movable seat, 13-spring, 14-guiding axle, 141-limit part, 2-expansion assembly, 21-mandrel, 211-chute, 22-expansion piece, 221-inclined plane, 222-arc surface, 3-jacking structure.
Detailed Description
In order to better illustrate the present utility model, the present utility model will be described in further detail below with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the application, are intended to be within the scope of the embodiments of the present application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application as detailed in the accompanying claims. In the description of the present application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "vertical," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Example 1
As shown in fig. 1 to 4, the present utility model provides a rotor core lamination jig, including:
the bearing table comprises a base 11 and a movable seat 12, wherein the movable seat 12 is positioned above the base 11, and a spring 13 is arranged between the base 11 and the movable seat 12;
The expansion assembly 2 comprises a mandrel 21 and a plurality of expansion pieces 22, wherein the mandrel 21 penetrates through the movable seat 12, the mandrel 21 is provided with a plurality of circumferentially distributed chute 211, the chute 211 is inclined downwards towards the axis direction of the mandrel 21, and the expansion pieces 22 are connected with the movable seat 12 and are movably arranged on the corresponding chute 211;
The movable seat 12 moves downwards under the gravity action of the rotor core, so as to drive the expanding members 22 to move downwards along the inclined slots 211 in an inclined way, so that a plurality of expanding members 22 move radially.
Compared with the prior art, the rotor core laminating clamp is applied to a laminating machine. The rotor core is sleeved on the mandrel 21, and the movable seat 12 supports the rotor core; the movable seat 12 drives the expansion piece 22 to move downwards under the gravity action of the rotor core; when the expansion piece 22 moves downwards, under the action of the inclined plane 221 of the expansion piece 22 and the mandrel 21, the expansion piece 22 moves radially, the inner hole of the rotor core is provided with an outwards expanding acting force, the inner hole of the rotor core can be limited and fixed, deformation of the inner hole of the rotor core is prevented, and accordingly the qualification rate of coaxiality of the rotor core is effectively improved.
In one embodiment, the end surface of the expanding member, which abuts against the chute 211, is an inclined surface 221, the inclined angle of the inclined surface 221 is the same as that of the chute 211, and the end surface of the inclined surface 221 opposite to the inclined surface 221 is an arc surface 222 disposed along the vertical direction, so that after the inclined surface 221 of the expanding member abuts against the chute 211, the arc surface 222 is disposed vertically and is balanced with the inner hole surface of the rotor core, which is beneficial to increasing the contact area of the expanding member and the rotor core, and further improving the limiting and fixing effects of the expanding member on the rotor core.
In one embodiment, the bearing platform further comprises a guide shaft 14, one end of the guide shaft 14 is fixedly connected with the movable seat 12, the other end of the guide shaft is movably arranged in the base 11, and the spring 13 is sleeved on the guide shaft 14 to limit the spring 13 and prevent the spring 13 from transversely shifting.
Further, the base 11 has a guide chamber 111 for the guide shaft 14 to move up and down; the guide shaft 14 is located at one end of the base 11 and has a limit part 141; when the limiting part 141 abuts against the upper end surface of the guide cavity 111, the movable seat 12 is located at the highest height; when the movable seat 12 is located at the highest height, one end of the spring 13 abuts against the movable seat 12, and the other end abuts against the base 11, so that when the movable seat 12 moves downwards from the highest height, the spring 13 receives compression acting force and stores elastic potential energy, and after the rotor core is stacked and taken out, the expansion piece and the movable seat 12 automatically reset upwards under the elastic action of the spring 13.
Further, the base 11 is provided with a protruding portion 112 along a vertical direction, when the movable seat 12 abuts against the protruding portion 112, the movable seat 12 is located at a lowest height so as to fix the movable seat 12, and therefore the movable seat 12 can support the rotor core during lamination, and an lamination effect is ensured.
Example 2
Embodiment 2 differs from embodiment 1 in that in embodiment 2, as shown in fig. 2, the rotor core lamination jig further includes a lifting structure 3 connected to the mandrel 21, and the mandrel 21 is driven by the lifting structure 3 to perform lifting motion. For higher positioned rotor cores, if the rotor core is acted on solely by the expansion assembly, the rotor core may have been deformed without the expansion member 22 being moved fully outwardly to expand; therefore, in embodiment 2, the jacking structure 3 is utilized to push the mandrel 21 to move upwards, and the expansion assembly 2 is matched, so that the movement of the expansion member 22 is accelerated under the action of the inclined plane 221 of the expansion member 22 and the mandrel 21, the expansion member 22 moves outwards to be spread, the inner hole of the rotor core is limited and fixed, and the deformation of the inner hole of the rotor core is prevented.
Further, the jacking structure 3 comprises a cylinder, and the driving end of the cylinder is connected with the mandrel 21.
The present utility model is not limited to the above-described embodiments, but, if various modifications or variations of the present utility model are not departing from the spirit and scope of the present utility model, the present utility model is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (7)
1. A rotor core lamination jig, comprising:
The bearing table comprises a base and a movable seat, wherein the movable seat is positioned above the base, and a spring is arranged between the base and the movable seat;
The expansion assembly comprises a mandrel and a plurality of expansion pieces, the mandrel penetrates through the movable seat, the mandrel is provided with a plurality of inclined grooves which are circumferentially distributed, the inclined grooves incline downwards towards the axis direction of the mandrel, and the expansion pieces are connected with the movable seat and are movably arranged on the corresponding inclined grooves;
The movable seat moves downwards under the action of gravity of the rotor core, so that the expansion pieces are driven to move downwards obliquely along the chute, and a plurality of expansion pieces move radially.
2. The rotor core lamination jig according to claim 1, wherein:
The end face of the expanding piece, which abuts against the chute, is an inclined surface, the inclination angle of the inclined surface is the same as that of the chute, and the end face, which is opposite to the inclined surface, is an arc-shaped surface which is arranged along the vertical direction.
3. The rotor core lamination jig according to claim 1, wherein:
The bearing table further comprises a guide shaft, one end of the guide shaft is fixedly connected with the movable seat, the other end of the guide shaft is movably arranged in the base, and the spring is sleeved on the guide shaft.
4. The rotor core lamination jig according to claim 3, wherein:
the base is provided with a guide cavity for the guide shaft to move up and down;
One end of the guide shaft, which is positioned at the base, is provided with a limiting part;
When the limiting part is abutted with the upper end face of the guide cavity, the movable seat is located at the highest height;
When the movable seat is located at the highest height, one end of the spring is abutted with the movable seat, and the other end of the spring is abutted with the base.
5. The rotor core lamination jig of claim 4, wherein:
The base is provided with the bulge along vertical direction, when the movable seat with bulge butt, the movable seat is located minimum height.
6. The rotor core lamination jig according to claim 1, wherein:
The rotor core lamination clamp further comprises a jacking structure, the jacking structure is connected with the mandrel, and the mandrel moves in a lifting mode under the driving action of the jacking structure.
7. The rotor core lamination jig of claim 6, wherein:
the jacking structure comprises a cylinder, and the driving end of the cylinder is connected with the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521950.6U CN220822849U (en) | 2023-09-15 | 2023-09-15 | Rotor core lamination clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521950.6U CN220822849U (en) | 2023-09-15 | 2023-09-15 | Rotor core lamination clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822849U true CN220822849U (en) | 2024-04-19 |
Family
ID=90673952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322521950.6U Active CN220822849U (en) | 2023-09-15 | 2023-09-15 | Rotor core lamination clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220822849U (en) |
-
2023
- 2023-09-15 CN CN202322521950.6U patent/CN220822849U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |