CN216390612U

CN216390612U - Stator punching sheet monomer structure, stator punching sheet and iron core combined structure

Info

Publication number: CN216390612U
Application number: CN202121234588.9U
Authority: CN
Inventors: 朱文博
Original assignee: Wuxi Libite Automation Equipment Co ltd
Current assignee: Zhu Wenbo
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-04-26
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a stator punching sheet single structure, a stator punching sheet and an iron core combined structure, which comprises a single body, wherein the single body is in a fan-shaped ring shape, a plurality of punching sheet grooves are formed in the outer circumference of the single body, external teeth are formed between every two adjacent punching sheet grooves, every two adjacent external teeth are not in contact with each other, the external teeth are in a T shape, and the upper end of the T shape is positioned on the outer edge of the single body; the inner circumference of the single body is provided with a plurality of mounting grooves. The utility model uses the punching sheet to carry out the form of evenly dividing the circumference into a plurality of pieces to be combined, changes the traditional excircle cramp into the form of fastening the inner hole to realize the integral combination of the iron core, and has low manufacturing cost and short period.

Description

Stator punching sheet monomer structure, stator punching sheet and iron core combined structure

Technical Field

The utility model relates to an iron core, in particular to a stator punching sheet single structure, a stator punching sheet and an iron core combined structure.

Background

The high-power motor iron core component is a relatively common iron core component, and because the high-power motor is large in size, the diameter of a stamped iron is large, and the stamping specification of the stamped iron is large, the difficulty in manufacturing the die is caused, and the production cost is relatively high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a stator punching sheet single structure, a stator punching sheet and an iron core combined structure.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: a stator punching sheet single structure comprises a single body, wherein the single body is in a fan-shaped ring shape, a plurality of punching sheet grooves are formed in the outer circumference of the single body, external teeth are formed between every two adjacent punching sheet grooves and are not in contact with each other, the external teeth are T-shaped, and the upper end of the T-shaped external teeth is positioned on the outer edge of the single body; the inner circumference of the single body is provided with a plurality of mounting grooves.

Furthermore, the outer edge of the punching sheet groove is an opening formed by the upper ends of the T-shaped teeth of the two adjacent outer teeth, and the bottom of the punching sheet groove is an arc-shaped bottom surface.

Furthermore, the punching grooves are uniformly distributed on the outer circumference of the single body.

Furthermore, two ends of the single body are respectively provided with one half of the external teeth.

Further, the diameter of the mounting groove increases from the radial direction of the single body to the outer direction.

Further, the fan ring angle of the single body is 60 °.

The utility model provides a circumference burst folds formula stator towards piece, stator towards piece is formed by a plurality of towards piece monomer structure combinations, towards piece monomer structure adopt above-mentioned a stator towards piece monomer structure.

The utility model provides an inboard fastening type stator core integrated configuration, includes the position sleeve, be fixed with the stator towards the piece in the periphery of position sleeve, the stator towards the piece adopts above-mentioned circumference burst to fold and fold formula stator towards the piece.

Furthermore, the outer wall of the positioning sleeve is fixed with a key pin through a fastening screw, the fastening screw penetrates through the positioning sleeve from the inside, and the stator punching sheet is fixed on the key pin.

In conclusion, the utility model achieves the following technical effects:

1. the punching sheet groove and the mounting groove are formed in the fan ring to form a single punching sheet, only a single die is required to be arranged when the punching sheet is manufactured, the die for the whole punching sheet is not required to be arranged, the cost is low, and the manufacturing is convenient;

2. the manufacturing of the punching sheet is completed by splicing a plurality of monomer structures into a complete punching sheet, so that the manufacturing is simple and the splicing is convenient;

3. the iron core is assembled by adopting an inner side fastening mode, so that the iron core is convenient to install and use;

4. the utility model solves the problem that large-size stator punching sheets are difficult to manufacture; meanwhile, the difficulty of manufacturing the die is also solved; the manufacturing cost is greatly reduced;

drawings

FIG. 1 is a schematic diagram of a single punching sheet provided by an embodiment of the utility model;

FIG. 2 is a partial schematic view of FIG. 1;

FIG. 3 is a schematic view of a punch;

fig. 4 is a schematic view of a core.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example (b):

as shown in fig. 1, a stator punching sheet single body 1 structure, a stator punching sheet 2 shown in fig. 3 is a complete punching sheet formed by combining a plurality of single bodies 1, and as shown in fig. 4, an iron core structure formed by combining the stator punching sheets 2 is provided.

As shown in fig. 1, the single body 1 includes a single body 11, the single body 11 is in a fan-shaped ring shape, a plurality of punching grooves 14 are formed in the outer circumference of the single body 11, an external tooth 12 is formed between two adjacent punching grooves 14, two adjacent external teeth 12 are not in contact with each other, the external tooth 12 is in a T shape, and the T-shaped upper end 13 is located on the outer edge of the single body 11.

As shown in fig. 2, the outer edge of the punched groove 14 is an opening 16 formed by the T-shaped upper ends 13 of two adjacent external teeth 12, the bottom of the punched groove 14 is an arc-shaped bottom surface 17, and the width of the opening 16 is smaller than the width of the punched groove 14. The outer teeth 12 are T-shaped, the T-shaped upper end 13 is positioned at the outer layer, and the inner sides of two end parts of the T-shaped upper end 13 are inclined planes.

As shown in fig. 1, a plurality of punching grooves 14 are uniformly distributed on the outer circumference of the single body 11, wherein the angle between two adjacent punching grooves 14 is 5 °, the number is 12, and the entire strength can be enhanced by uniformly distributing the punching grooves.

Further, as shown in fig. 1, two ends of the single body 11 are respectively provided with one half of the outer teeth 12, and the two adjacent single bodies 11 can be combined into a whole outer tooth 12, so that the combination connection among the plurality of single bodies 1 is facilitated.

As shown in fig. 1, the inner circumference of the single body 11 is opened with a plurality of mounting grooves 15. The mounting groove 15 is enlarged in diameter from the radially outward direction of the single body 11, and is shaped like a letter of a letter. Mounting groove 15 equipartition, the angle between two adjacent mounting grooves 15 is 20 to, in this embodiment, set up 3 mounting grooves 15 on the monomer, the angle of 15 distance monomer sides in the outside mounting groove is 15.

When provided, the fan ring angle of the single body 11 is 30 °, 60 °, 90 °, in this embodiment 60 °.

As shown in fig. 3, a circumferential segmented laminated stator punching sheet 2, the stator punching sheet 2 is formed by combining a plurality of punching sheet monomer structures, and the punching sheet monomer structure adopts the punching sheet monomer 1. When the punching sheet single bodies 1 are combined, the punching sheet single bodies 1 are spliced together to form an annular structure, and two half adjacent external teeth 12 are connected together by using a coil, so that the combination of the punching sheet single bodies 1 is realized.

As shown in fig. 4, an inside fastening type stator core composite structure includes a positioning sleeve 3, a stator punching sheet 2 is fixed on the periphery of the positioning sleeve 3, and the stator punching sheet 2 adopts the above structure.

The outer wall of the locating sleeve 3 is fixed with a key pin 4 through a fastening screw 5, the fastening screw 5 penetrates through the locating sleeve 3, and the stator punching sheet is fixed on the key pin 4 to form an inner side fastening mode to fix the punching sheet.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a stator punching sheet monomer structure which characterized in that: the single body (11) is in a fan-shaped ring shape, a plurality of punching sheet grooves (14) are formed in the outer circumference of the single body (11), external teeth (12) are formed between every two adjacent punching sheet grooves (14), every two adjacent external teeth (12) are not in contact with each other, the external teeth (12) are T-shaped, and the upper end (13) of the T-shaped structure is located on the outer edge of the single body (11); the inner circumference of the single body (11) is provided with a plurality of mounting grooves (15).

2. The stator punching sheet single structure according to claim 1, characterized in that: the outer edge of each punching sheet groove (14) is an opening (16) formed at the upper end of the T shape of each two adjacent outer teeth (12), and the bottom of each punching sheet groove (14) is an arc-shaped bottom surface (17).

3. The stator punching sheet single structure according to claim 2, characterized in that: the plurality of punching grooves (14) are uniformly distributed on the outer circumference of the single body (11).

4. The stator punching sheet single structure according to claim 3, characterized in that: two halves of the outer teeth (12) are arranged at two ends of the single body (11) respectively.

5. The stator punching sheet single structure according to claim 4, characterized in that: the diameter of the installation groove (15) is increased from the radial direction to the outer direction of the single body (11).

6. The stator punching sheet single structure according to claim 5, characterized in that: the fan ring angle of the single body (11) is 60 degrees.

7. A stator punching sheet is characterized in that: the stator punching is formed by combining a plurality of punching single structures, and the punching single structure adopts the stator punching single structure as claimed in any one of claims 1 to 6.

8. An iron core integrated configuration which characterized in that: the stator punching sheet comprises a positioning sleeve (3), wherein a stator punching sheet is fixed on the periphery of the positioning sleeve (3), and the stator punching sheet adopts the stator punching sheet as claimed in claim 7.

9. A core assembly in accordance with claim 8, wherein: the stator punching sheet is characterized in that a key pin (4) is fixed on the outer wall of the positioning sleeve (3) through a fastening screw (5), the fastening screw (5) penetrates through the positioning sleeve (3), and the stator punching sheet is fixed on the key pin (4).