CN215733710U

CN215733710U - Integrated motor stator punching sheet

Info

Publication number: CN215733710U
Application number: CN202122340360.4U
Authority: CN
Inventors: 程士强
Original assignee: Wenling chayu electromechanical equipment factory
Current assignee: Wenling chayu electromechanical equipment factory
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-02-01
Anticipated expiration: 2031-09-26

Abstract

The utility model provides an integrated motor stator punching sheet, and belongs to the technical field of motors. It has solved the current not good problem of towards the heat dissipation of piece. The integrated motor stator punching sheet comprises a sheet body with a central round hole, wherein a circle of line embedding grooves are formed in the sheet body and are communicated with the central round hole, the sheet body is of an octagonal structure, the outer wall of the sheet body is enclosed by four planes and four inclined planes, and the four planes and the four inclined planes are continuously and alternately distributed around the axis of the central round hole; each plane is provided with at least two welding grooves; at the coplanar, a plurality of welding grooves are arranged in parallel along the length direction of the plane, a radiating unit is arranged between every two adjacent welding grooves and comprises at least one first radiating groove, and a row of second radiating grooves are arranged on each inclined plane in parallel along the length direction of the corresponding inclined plane. This integral type motor stator is towards piece heat dissipation.

Description

Integrated motor stator punching sheet

Technical Field

The utility model belongs to the technical field of motors, and relates to a motor stator punching sheet, in particular to an integrated motor stator punching sheet.

Background

The motor stator is formed by stacking stator punching sheets and fusing adjacent stator sheets into a whole through a fastening mode, wherein the fastening mode can be welding, riveting, bolt connection and the like.

The existing stator punching sheet, such as a motor stator punching sheet (application number: 2020103634485) disclosed by a Chinese patent library, comprises a stator punching sheet body, wherein the stator punching sheet body comprises a yoke part and a plurality of tooth parts which protrude inwards from the circumferential surface of the yoke part, the tooth parts are distributed at equal intervals, and a stator slot is formed between every two adjacent tooth parts, and the stator punching sheet is characterized in that: the mounting structure is characterized in that a plurality of mounting positioning holes are formed in the yoke portion and distributed at intervals uniformly along the circumferential surface of the yoke portion, a plurality of buckle sheet grooves are formed in the periphery of the yoke portion by recessing from outside to inside, a positioning groove is formed in the center line of each buckle sheet groove, the buckle sheet grooves are equal to the mounting positioning holes in number, every two adjacent buckle sheet grooves are formed between the mounting positioning holes, a positioning groove is formed in the center line of each buckle sheet groove, and a plurality of bulges which are arranged at equal intervals are arranged on two sides of each positioning groove.

The whole stator is in a ring shape, and the stator completely depends on self materials to dissipate heat, so that the problem of poor heat dissipation effect exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides an integrated motor stator punching sheet with a good heat dissipation effect.

The purpose of the utility model can be realized by the following technical scheme: the integrated motor stator punching sheet is characterized in that the sheet body is of an octagonal structure, the outer side wall of the sheet body is defined by four planes and four inclined planes, and the four planes and the four inclined planes are continuously and alternately distributed around the axis of the central round hole; each plane is at least provided with two welding grooves which are arranged along the axial direction of the central circular hole in a penetrating way; at the same plane, a plurality of welding grooves are arranged in parallel along the length direction of the plane, a heat dissipation unit is arranged between every two adjacent welding grooves and comprises at least one first heat dissipation groove, and the first heat dissipation groove penetrates through the sheet body along the axial direction of the central round hole; and a row of radiating grooves II which are arranged in parallel along the length direction of the corresponding inclined surface are arranged on each inclined surface, and the radiating grooves II are axially arranged along the central circular hole in a penetrating manner.

The sheet body is arranged to be of an octagonal structure, so that the heat dissipation area of the sheet body can be effectively increased, and the heat dissipation efficiency and effect are improved; secondly, set up radiating groove one and radiating groove two on four planes and four inclined planes of lamellar body respectively, can further accelerate lamellar body radiating efficiency to further strengthen lamellar body radiating effect.

Simultaneously, two adjacent welding groove departments all set up the radiating unit that possesses the radiating groove one, can effectively accelerate the radiating rate of welding groove department to avoid high temperature to gather and influence welding stability, ensure to fold the iron core structural stability who presses the formation by a plurality of punching.

In the integrated motor stator punching sheet, one end face of the sheet body is provided with a third annular heat dissipation groove, the third heat dissipation groove is located between the welding groove and the central circular hole, and the third heat dissipation groove and the central circular hole are coaxially arranged, so that the heat dissipation area of the sheet body is further enlarged, and the heat dissipation effect and the efficiency are improved.

In the integrated motor stator punching sheet, the cross section of the third heat dissipation groove is arc-shaped, so that the strength of the sheet body is enhanced on the premise of not influencing heat dissipation.

In the integrated motor stator punching sheet, each heat dissipation unit comprises at least two first heat dissipation grooves, and a plurality of first heat dissipation grooves in the same heat dissipation unit are distributed along the length direction of the corresponding plane, so that the heat dissipation effect is further improved.

In the integrated motor stator punching sheet, the cross section of the first heat dissipation groove is U-shaped.

In the integrated motor stator punching sheet, the depth of each heat dissipation groove I is different in the same heat dissipation unit, so that the heat dissipation effect and efficiency are enhanced on the premise of ensuring the overall strength of the sheet body.

In the integrated motor stator punching sheet, in the same heat dissipation unit, the depth of the first heat dissipation groove is gradually reduced or increased along the length direction of the corresponding plane.

In the integrated motor stator punching sheet, the depth of the first heat dissipation groove is 3-6 mm.

In foretell integral type motor stator punching sheet, still all the axial is run through on every plane and is equipped with two radiating grooves four, and the welding groove on the coplanar all is in between two corresponding radiating grooves four to further improve radiating effect and efficiency.

In the integrated motor stator punching sheet, two assembly holes axially penetrate through each inclined plane, and the second heat dissipation groove on the same inclined plane is located between the two assembly holes. And the assembly holes are arranged, so that the punching sheets can be conveniently stacked and positioned.

Compared with the prior art, this integral type motor stator punching has following advantage:

1. the sheet body is arranged to be of an octagonal structure, so that the heat dissipation area of the sheet body can be effectively increased, and the heat dissipation efficiency and effect are improved; secondly, set up radiating groove one and radiating groove two on four planes and four inclined planes of lamellar body respectively, can further accelerate lamellar body radiating efficiency to further strengthen lamellar body radiating effect.

2. The adjacent two welding groove positions are all provided with the heat dissipation unit with the first heat dissipation groove, so that the heat dissipation speed of the welding groove positions can be effectively accelerated, high temperature gathering is avoided, welding stability is affected, and the structural stability of the iron core formed by laminating a plurality of punching sheets is ensured.

Drawings

Fig. 1 is a schematic structural diagram of an integrated motor stator punching sheet.

Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.

In the figure, 1, a sheet body; 1a, a plane; 1b, a bevel; 2. a central circular hole; 3. a wire embedding groove; 4. welding a groove; 5. a heat dissipation unit; 5a, a first heat dissipation groove; 6. a second heat dissipation groove; 7. a third heat dissipation groove; 8. a fourth heat dissipation groove; 9. and (7) assembling holes.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the integrated motor stator punching sheet includes a sheet body 1 having a central circular hole 2, the sheet body 1 is generally made of silicon steel sheet material, the thickness of the sheet body 1 is 0.1 mm-0.3 mm, and the thickness of the sheet body 1 is preferably 0.2 mm. The sheet body 1 is provided with a circle of line inserting grooves 3 which axially penetrate through the central round hole 2 and are used for winding copper wires. A plurality of rule grooves 3 are evenly distributed along the circumference of the sheet body 1, and each rule groove 3 is communicated with the central round hole 2.

In particular, the present invention relates to a method for producing,

as shown in figure 1, the blade body 1 is in an octagonal structure, the outer side wall of the blade body 1 is enclosed by four planes 1a and four inclined planes 1b, and the four planes 1a and the four inclined planes 1b are continuously and alternately distributed around the axis of the central circular hole 2.

Wherein the content of the first and second substances,

each plane 1a is at least provided with two welding grooves 4 which penetrate through the central round hole 2 along the axial direction; at the same plane 1a, a plurality of welding grooves 4 are arranged in parallel along the length direction of the plane 1a, a heat dissipation unit 5 is arranged between every two adjacent welding grooves 4, each heat dissipation unit 5 comprises at least one heat dissipation groove I5 a, and the heat dissipation grooves I5 a axially penetrate through the sheet body 1 along the central circular hole 2;

each inclined surface 1b is provided with a row of second heat dissipation grooves 6 which are arranged in parallel along the length direction of the corresponding inclined surface 1b, and the second heat dissipation grooves 6 are arranged in a penetrating mode along the axial direction of the central circular hole 2.

The sheet body 1 is arranged to be in an octagonal structure, so that the heat dissipation area of the sheet body 1 can be effectively enlarged, and the heat dissipation efficiency and effect are improved; secondly, the four planes 1a and the four inclined planes 1b of the sheet body 1 are respectively provided with a first heat dissipation groove 5a and a second heat dissipation groove 6, so that the heat dissipation efficiency of the sheet body 1 can be further improved, and the heat dissipation effect of the sheet body 1 can be further enhanced.

In the present embodiment, it is preferred that,

preferably, each plane 1a is provided with 3 welding grooves 4, and the welding grooves 4 are approximately W-shaped;

each heat dissipation unit 5 comprises at least two heat dissipation grooves one 5a, and the plurality of heat dissipation grooves one 5a in the same heat dissipation unit 5 are distributed along the length direction of the corresponding plane 1a, so that the heat dissipation effect is further improved. Preferably, the same heat dissipating unit 5 includes 4 heat dissipating grooves-5 a.

Further, as shown in fig. 1 and 2, in the same heat dissipating unit 5, the depth of each of the heat dissipating grooves 5a is different, and in the same heat dissipating unit 5, the depth of the heat dissipating groove 5a gradually decreases or increases along the length direction of the corresponding plane 1a, and the depth of the heat dissipating groove 5a is 3mm to 6 mm. In an actual product, the depths of the 4 heat dissipation grooves one 5a are 3mm, 4mm, 5mm and 6mm, respectively.

Preferably, the cross sections of the first radiating groove 5a and the second radiating groove 6 are U-shaped, and on the same inclined surface 1b, the depth of the second radiating groove 6 in the middle is greater than that of the second radiating grooves 6 at the two ends.

As shown in fig. 1, one end surface of the sheet body 1 is provided with a third annular heat dissipation groove 7, the third heat dissipation groove 7 is located between the welding groove 4 and the central circular hole 2, and the third heat dissipation groove 7 and the central circular hole 2 are coaxially arranged, so that the heat dissipation area of the sheet body 1 is further enlarged, and the heat dissipation effect and efficiency are improved. The cross section of the preferred radiating groove III 7 is arc-shaped, and the strength of the sheet body 1 is enhanced on the premise of not influencing heat dissipation.

Furthermore, each plane 1a is also provided with two heat dissipation grooves four 8 in an axially penetrating manner, and the welding groove 4 on the same plane 1a is located between the two corresponding heat dissipation grooves three 7, so as to further improve the heat dissipation effect and efficiency, and preferably, the heat dissipation grooves four 8 are approximately trapezoidal. Two assembly holes 9 axially penetrate through each inclined surface 1b, and the second heat dissipation grooves 6 on the same inclined surface 1b are located between the two assembly holes 9. The assembly holes 9 are formed, so that the punching sheets can be conveniently stacked and positioned.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The integrated motor stator punching sheet comprises a sheet body (1) with a central round hole (2), wherein a circle of line embedding grooves (3) axially penetrate through the central round hole (2) are formed in the sheet body (1), and the line embedding grooves (3) are communicated with the central round hole (2), and the integrated motor stator punching sheet is characterized in that the sheet body (1) is of an octagonal structure, the outer side wall of the sheet body (1) is enclosed by four planes (1a) and four inclined planes (1b), and the four planes (1a) and the four inclined planes (1b) are continuously and alternately distributed around the axis of the central round hole (2); each plane (1a) is at least provided with two welding grooves (4) which are arranged along the axial direction of the central round hole (2) in a penetrating way; at the same plane (1a), a plurality of welding grooves (4) are arranged in parallel along the length direction of the plane (1a), a heat dissipation unit (5) is arranged between every two adjacent welding grooves (4), the heat dissipation unit (5) comprises at least one first heat dissipation groove (5a), and the first heat dissipation groove (5a) penetrates through the sheet body (1) along the axial direction of the central round hole (2); each inclined plane (1b) is provided with a row of radiating grooves II (6) which are arranged in parallel along the length direction of the corresponding inclined plane (1b), and the radiating grooves II (6) are axially arranged along the central round hole (2) in a penetrating manner.

2. The integrated motor stator punching sheet of claim 1, wherein one end face of the sheet body (1) is provided with a ring-shaped heat dissipation groove III (7), the heat dissipation groove III (7) is located between the welding groove (4) and the central circular hole (2), and the heat dissipation groove III (7) and the central circular hole (2) are coaxially arranged.

3. The integrated motor stator punching sheet as recited in claim 2, wherein the cross section of the heat dissipation groove III (7) is circular arc-shaped.

4. The integrated motor stator punching sheet according to claim 1, wherein each heat dissipation unit (5) comprises at least two first heat dissipation grooves (5a), and a plurality of first heat dissipation grooves (5a) in the same heat dissipation unit (5) are distributed along the length direction of the corresponding plane (1 a).

5. The integrated motor stator punching sheet according to claim 1, 2, 3 or 4, wherein the cross section of the first heat dissipation groove (5a) is U-shaped.

6. The integrated motor stator punching sheet according to claim 5, characterized in that the depth of each heat dissipation groove I (5a) is different in the same heat dissipation unit (5).

7. The integrated motor stator punching sheet according to claim 6, wherein in the same heat dissipation unit (5), the depth of the first heat dissipation groove (5a) is gradually reduced or increased along the length direction of the corresponding plane (1 a).

8. The integrated motor stator punching sheet as recited in claim 7, wherein the depth of the first heat dissipation groove (5a) is 3mm to 6 mm.

9. The integrated motor stator punching sheet according to claim 1, 2, 3 or 4, wherein each plane (1a) is further provided with two heat dissipation grooves four (8) in an axially penetrating manner, and the welding grooves (4) on the same plane (1a) are located between the two corresponding heat dissipation grooves four (8).

10. The integrated motor stator punching sheet according to claim 1, 2, 3 or 4, wherein two assembly holes (9) axially penetrate through each inclined surface (1b), and the second heat dissipation grooves (6) on the same inclined surface (1b) are located between the two assembly holes (9).