阅读说明：本技术 一种小齿槽力式直线电机 (Small-tooth groove force type linear motor ) 是由 朱小瑞 王长征 王成兵 王夏平 于 2020-12-08 设计创作，主要内容包括：本发明涉及一种小齿槽力式直线电机,包括定子、动子以及外壳,所述定子上设置有N极和S极,所述动子上包括绕组和硅钢片；其特征在于：硅钢片包括横片和竖片,所述横片具体位于绕组的上方,所述动子和定子位置相对应,所述动子与N极和S极位置相对应,所述N极和S极交错分布,所述硅钢片与N极和S极位置相对应,所述竖片贯通绕组,所述竖片包括中间片和侧片,所述中间片和侧片均有多个,所述侧片位于硅钢片的端部。本发明提供一种小齿槽力式直线电机,减小了直线电机运动过程中产生的齿槽力,减小了直线电机运动过程中的卡顿,提高了直线电机的精度。(The invention relates to a small-tooth slot force type linear motor which comprises a stator, a rotor and a shell, wherein the stator is provided with an N pole and an S pole, and the rotor comprises a winding and a silicon steel sheet; the method is characterized in that: the silicon steel sheet includes horizontal piece and erects the piece, the horizontal piece specifically is located the top of winding, active cell and stator position are corresponding, the active cell is corresponding with the utmost point N and the utmost point S position, the utmost point N distributes with the utmost point S is crisscross, the silicon steel sheet is corresponding with the utmost point N and the utmost point S position, it link up the winding to erect the piece, erect the piece and include intermediate lamella and lateral plate, intermediate lamella and lateral plate all have a plurality ofly, the lateral plate is located the tip of silicon steel sheet. The invention provides a small tooth groove force type linear motor, which reduces tooth groove force generated in the motion process of the linear motor, reduces blocking in the motion process of the linear motor and improves the precision of the linear motor.)

1. A small-tooth slot force type linear motor comprises a stator (1), a rotor (4) and a shell (5), wherein an N pole (2) and an S pole (3) are arranged on the stator (1), and the rotor (4) comprises a winding (6) and silicon steel sheets (7); the method is characterized in that: silicon steel sheet (7) include horizontal sheet (8) and riser (9), horizontal sheet (8) specifically are located the top of winding (6), active cell (4) and stator (1) position are corresponding, active cell (4) are corresponding with N utmost point (2) and S utmost point (3) position, N utmost point (2) and S utmost point (3) staggered distribution, silicon steel sheet (7) are corresponding with N utmost point (2) and S utmost point (3) position, riser (9) link up winding (6), riser (9) include intermediate lamella (10) and lateral plate (11), intermediate lamella (10) and lateral plate (11) all have a plurality ofly, lateral plate (11) are located the tip of silicon steel sheet (7).

2. A small cogging force type linear motor in accordance with claim 1, wherein: the transverse sheet (8) is located between the winding (6) and the shell (5), the silicon steel sheets (7) are specifically made of ferromagnetic materials, the number of the side sheets (11) is two, and the middle sheet (10) is specifically located in the middle of the transverse sheet (8).

3. A small cogging force type linear motor in accordance with claim 2, wherein: the middle piece (10) is located between the two side pieces (11), the middle piece (10) and the side pieces (11) are made of ferromagnetic materials, and the middle piece (10) penetrates through the winding (6).

4. A small cogging force type linear motor in accordance with claim 3, wherein: the side plates (11) are located on the outer sides of the windings (6), the middle plates (10) are matched with the side plates (11) in size, and the middle plates (10) are distributed on the transverse plates (8) in a linear array mode.

5. A small cogging force type linear motor in accordance with claim 4, wherein: the middle piece (10) is uniformly distributed on the transverse piece (8), and the length size of the side piece (11) is smaller than that of the middle piece (10).

6. A small cogging force type linear motor in accordance with claim 5, wherein: the distance between the middle piece (10) and the middle piece (10) is equal to the distance between the middle piece (10) and the side piece (11), a side angle (12) is arranged on the side piece (11), and the side piece (11) corresponds to the positions of the N pole (2) and the S pole (3).

7. A small cogging force type linear motor as claimed in claim 6, wherein: the side angle (12) is specifically a round angle, the side angle (12) is located on the side piece (11) and far away from the transverse piece (8), the middle piece (10) is specifically rectangular, the side angle (12) is symmetrical about the transverse piece (8), and the side angle (12) corresponds to the positions of the N pole (2) and the S pole (3).

8. A small cogging force type linear motor in accordance with claim 7, wherein: the side corner (12) is located on the side panel (11) away from the center panel (10), and the size of the side corner (12) is R3.

Technical Field

The invention relates to the field of linear motors, in particular to a small-tooth-groove-force type linear motor.

Background

The linear motor is a motor which directly generates linear motion; it can be seen as the evolution of rotating electrical machines; the transmission device directly converts electric energy into linear motion mechanical energy without any intermediate conversion mechanism.

The cogging force is generated by the continuous conversion of the rotor part of the linear motor between the N pole and the S pole of the stator part in the motion process of the linear motor, so that the jamming of the linear motor in the motion process is caused, and the precision of the linear motor is influenced.

Disclosure of Invention

The purpose of the invention is: provides a small tooth groove force type linear motor, which solves the problems.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a small-tooth slot force type linear motor comprises a stator, a rotor and a shell, wherein the stator is provided with an N pole and an S pole, and the rotor comprises a winding and a silicon steel sheet; the method is characterized in that: the silicon steel sheet includes horizontal piece and erects the piece, the horizontal piece specifically is located the top of winding, active cell and stator position are corresponding, the active cell is corresponding with the utmost point N and the utmost point S position, the utmost point N distributes with the utmost point S is crisscross, the silicon steel sheet is corresponding with the utmost point N and the utmost point S position, it link up the winding to erect the piece, erect the piece and include intermediate lamella and lateral plate, intermediate lamella and lateral plate all have a plurality ofly, the lateral plate is located the tip of silicon steel sheet.

Furthermore, the transverse sheet is located between the winding and the shell, the silicon steel sheet is specifically made of ferromagnetic materials, the number of the side sheets is specifically two, and the middle sheet is specifically located in the middle of the transverse sheet.

Further, the middle piece is located between the two side pieces, the middle piece and the side pieces are made of ferromagnetic materials, and the middle piece penetrates through the winding.

Furthermore, the side plates are located on the outer sides of the windings, the middle plates are matched with the side plates in size, and the middle plates are distributed on the transverse plates in a linear array mode.

Further, the middle piece is evenly distributed on the transverse piece, and the length dimension of the side piece is smaller than that of the middle piece.

Further, the distance between the middle piece and the middle piece is equal to the distance between the middle piece and the side piece, a side corner is arranged on the side piece, and the side piece corresponds to the N pole and the S pole.

Furthermore, the side angle is specifically the fillet, the side angle is located the horizontal piece department of keeping away from on the lateral plate, the intermediate lamella specifically is rectangle, the side angle is symmetrical about the horizontal piece, the side angle corresponds with the utmost point N and utmost point S position.

Further, the side angle is located on the side panel away from the center panel, and is specifically R3.

The invention has the beneficial effects that: the utility model provides a little tooth slot force formula linear electric motor, uses through stator, active cell, shell, N utmost point, S utmost point, spacer and lateral plate mutually supporting, realizes reducing the effect that N utmost point and S utmost point produced the tooth ' S socket force size on lateral plate and the stator, has reduced the tooth ' S socket force that linear electric motor motion in-process produced, has reduced the card pause of linear electric motor motion in-process, has improved linear electric motor ' S precision.

Drawings

Fig. 1 is an axonometric view of the overall structure of a small tooth groove force type linear motor of the invention.

Fig. 2 is an isometric view of a part of the structure of a small-tooth-groove-force type linear motor.

Fig. 3 is an isometric view of another part of the structure of a small-tooth-groove-force type linear motor.

Fig. 4 is a front view of a part of the structure of a small-tooth-groove-force type linear motor according to the present invention.

In the figure: 1. a stator; 2. an N pole; 3. an S pole; 4. a mover; 5. a housing; 6. a winding; 7. silicon steel sheets; 8. a transverse sheet; 9. vertical pieces; 10. an intermediate sheet; 11. a side panel; 12. and (4) side angles.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, the small-tooth slot force type linear motor includes a stator 1, a mover 4 and a housing 5, wherein the stator 1 is provided with an N pole 2 and an S pole 3, and the mover 4 includes a winding 6 and a silicon steel sheet 7, and is configured to generate electromagnetic force with the stator 1 to drive the mover 4 to make reciprocating linear motion on the stator 1; the method is characterized in that: silicon steel sheet 7 includes horizontal piece 8 and riser 9, horizontal piece 8 specifically is located the top of winding 6, active cell 4 and stator 1 position are corresponding, active cell 4 is corresponding with the 3 positions of the 2 and S utmost point of N utmost point, the 3 staggered distributions of the 2 and S utmost point of N utmost point, silicon steel sheet 7 is corresponding with the 3 positions of the 2 and S utmost point of N utmost point, riser 9 link up winding 6 for act as the iron core, riser 9 includes intermediate lamella 10 and lateral plate 11, intermediate lamella 10 and lateral plate 11 all have a plurality ofly, are used for cooperateing with winding 6 'S quantity, lateral plate 11 is located silicon steel sheet 7' S tip.

The transverse sheet 8 is located between the winding 6 and the shell 5, the silicon steel sheets 7 are specifically made of ferromagnetic materials, the number of the side sheets 11 is specifically two, and the middle sheet 10 is specifically located in the middle of the transverse sheet 8.

The middle piece 10 is located between the two side pieces 11, the middle piece 10 and the side pieces 11 are both made of ferromagnetic materials, and the middle piece 10 penetrates through the winding 6 and is used as an iron core.

The side plates 11 are located on the outer side of the winding 6, the middle plates 10 are matched with the side plates 11 in size and used for ensuring that the tooth socket force generated by the side plates 11 is small, and the middle plates 10 are distributed on the transverse plates 8 in a linear array mode.

The middle pieces 10 are uniformly distributed on the transverse pieces 8 and used for ensuring that generated electromagnetic force is uniform, so that the mover 4 is stressed uniformly, the length size of the side piece 11 is smaller than that of the middle piece 10, the length ratio between the side piece 11 and the middle piece 10 is calculated through electromagnetic analysis software, and the tooth socket force generated by the side piece 11 is smaller.

The distance between the middle piece 10 and the middle piece 10 is equal to the distance between the middle piece 10 and the side piece 11, a side corner 12 is arranged on the side piece 11 and used for ensuring that the cogging force generated by the side piece 11 is small, the cogging force is obviously reduced when the length of the side piece 11 is equal to that of the middle piece 10, and the side piece 11 corresponds to the positions of the N pole 2 and the S pole 3.

The side corners 12 are rounded corners, the side corners 12 are located on the side pieces 11 and far away from the transverse piece 8, the middle piece 10 is rectangular, the side corners 12 are symmetrical with respect to the transverse piece 8, and the side corners 12 correspond to the positions of the N pole 2 and the S pole 3.

The side corners 12 are located on the side panels 11 away from the center panel 10, the side corners 12 being specifically of the size R3.

The working principle of the invention is as follows: when the linear motor starts to be used: under the action of the stator 1, the rotor 4 reciprocates along the length direction of the stator 1, the silicon steel sheet 7 continuously slides above the stator 1 in the process, the side sheet 11 continuously passes through the upper parts of the N poles 2 and the S poles 3 which are distributed in a staggered manner in the process, and cogging force is continuously generated in the process.

The above examples are intended to further illustrate the present invention, but are not intended to limit the invention to these specific embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be understood to be within the protection scope of the present invention.