CN201163727Y

CN201163727Y - Improved construction of silicon steel sheet for motor

Info

Publication number: CN201163727Y
Application number: CNU2008200015952U
Authority: CN
Inventors: 李永兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-02-20
Filing date: 2008-02-20
Publication date: 2008-12-10
Anticipated expiration: 2018-02-20

Abstract

The utility model provides an improved structure of a silicon steel plate for a motor. The silicon steel plate is a flake type circular ring-shaped body, and the body of the silicon steel plate is provided with a plurality of tooth parts extending inward around the body; the circular ring-shaped silicon steel plate is formed by a plurality of segments of the same arched silicon steel plate units which are spliced together; therefore, the silicon steel plate achieves the aims of reducing waste materials and lowering manufacturing cost.

Description

Motor is constructed with the improvement of silicon steel sheet

Technical field

The utility model is relevant a kind of motor silicon steel sheet, especially refer to that a kind of inside is the rotor with permanent magnet, and be to be equipped with direct current or the alternating current motor structure that the stator of solenoid is formed in rotor periphery, the silicon steel sheet that wherein constitutes electromagnetic stator is to be connected to form by several sections identical arc silicon steel sheet unit splicings, waste material when making can reach this silicon steel sheet of minimizing, the effect of reduction manufacturing cost.

Background technology

General existing direct current or alternating current motor (generator) structure include the stator and the rotor of one group of coaxial setting to be formed, and can select stator to be located at rotor periphery or inside according to the demand of using, and solenoid is to be located on stator or the rotor.And described in this case be a kind of be the motor structure (shown in the embodiment of Fig. 5) that is assembled with the electromagnetic stator of several circle coils in rotor periphery, stator 41 in this motor 40 includes stator casing 411, silicon steel sheet 412 and solenoid 413, this silicon steel sheet 412 is to be circular framework and to be fixed in the stator case 411, and is equipped with several circle solenoids 413 on this silicon steel sheet 412; Rotor 42 includes rotor case 421, rotating shaft 422 and permanent magnet 423, one end of this rotating shaft 422 is to be hubbed at one to go up and can rotate freely with stator casing 411 sealed fixing rotating shaft assemblies 43 (as: gear box), the other end of this rotating shaft 422 and rotor case 421 are combined into one, and be fixed with permanent magnet 423 at the outer side surface of rotor case 421, make this permanent magnet 423 corresponding with the interior sidewall surface of silicon steel sheet 412; In view of the above, but the electromotive force that the solenoid 413 of mat stator 41 conduction produces and then makes the force-output shaft 431 on the rotating shaft assembly 43 produce rotation driving rotor 42 rotations.

As above-mentioned existing silicon steel sheet 412 (as shown in Figure 6), it is the circular thin slice with the moulding of stamping technology integrated punching, and is equipped with the tooth portion 4121 that several extend internally on this silicon steel sheet 412; When being used in combination, be to stack with several pieces identical silicon steel sheets 412 to be combined into one and to have the framework of suitable thickness, and utilize wherein tooth portion 4121, and it is thereon sheathed respectively to count circle solenoid 413 as magnetic core.

Yet, the shortcoming of aforesaid existing silicon steel sheet 412 structures is: it is in the manufacture process of punching press, because of this silicon steel sheet 412 is by directly punch forming on the silicon steel sheet strip that is band shape, cause in the centre of each silicon steel sheet 412 inner edges and the periphery of outer rim and can waste a lot of silicon steel materials, oblique line with outer rim in the middle of silicon steel sheet 412 figures as shown in Figure 6 partly is waste material, cause forming the waste of material and the increase of manufacturing cost, reality is not inconsistent economic benefit and reduces the market competitiveness; So, necessity of research improvement is again arranged really to the silicon steel sheet structure that above-mentioned existing motor is used.

Summary of the invention

The inventor is because above-mentioned existing silicon steel sheet structure, in the process of its manufacturing, understand the shortcoming that produces more waste material and increase manufacturing cost, study intensively, and long-pending individual is engaged in the many years of experience of this cause manufacturing and design, designs the improvement structure of a kind of brand-new motor eventually with silicon steel sheet.

Main purpose of the present utility model aims to provide the structurally improved structure of a kind of motor with silicon steel sheet, and it is to connect into a circular silicon steel sheet with several sections arc silicon steel sheet unit splicings, reaches the effect that reduces manufacturing cost with the waste that can reduce material.

For reaching above-mentioned purpose, the utility model motor is constructed with the improvement of silicon steel sheet, and this silicon steel sheet is the circular body that is sheet type, and ring is established the tooth portion that several extend internally on this silicon steel sheet body; Its feature exists: one to be circular silicon steel sheet be to be connected to form by several sections identical arc silicon steel sheet unit splicings for this.

When being configured in punch forming, the arrangement that structure of the present utility model can utilize the plane space ginseng to insert makes its minimal waste that is produced when cutting, reach the waste that reduces material according to above-mentioned, to reduce the purpose of manufacturing cost; Moreover because of silicon steel sheet of the present utility model structure is made up of several pieces identical silicon steel sheet unit, so its employed during fabrication mould is existing below 1/4th, and therefore, it also can save the mould expense, and can further reduce cost.

Description of drawings

Fig. 1 is the plane graph of an embodiment of the present utility model;

Fig. 2 is the stereogram of another embodiment of the utility model;

The plane graph that Fig. 3 is circular for the utility model is combined into;

Fig. 4 stacks combination stereogram up and down for arc silicon steel sheet of the present utility model unit;

Fig. 5 is the combination section of an existing d.c. motor embodiment;

Fig. 6 is an existing silicon steel sheet plane graph used among Fig. 5.

Description of reference numerals: 10-silicon steel sheet; 101-tooth portion; 11-silicon steel sheet unit; The 111-projection; The 112-recess; The 40-motor; The 41-stator; The 411-stator casing; The 412-silicon steel sheet; The 413-solenoid; The 42-rotor; The 421-rotor case; The 422-rotating shaft; The 423-permanent magnet; The 43-rotating shaft assembly; The 431-force-output shaft; 4121-tooth portion.

Embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is illustrated:

Please consult Fig. 1 earlier to shown in Figure 3, motor described in the utility model is constructed with the improvement of silicon steel sheet, this silicon steel sheet 10 is the circular bodies that are sheet type, on these silicon steel sheet 10 bodies ring establish several tooth portions 101 that extend internally (this tooth portion is the T font, also can be other changes shape) this one to be circular silicon steel sheet 10 be to be connected to form by several sections identical arc silicon steel sheet unit 11 splicing.

As above-mentioned structure, arc silicon steel sheet unit 11 wherein has a projection 111 in the one side, opposite side be provided with one with aforementioned projection 111 corresponding recesses 112; In view of the above, several sections identical arc silicon steel sheet unit 11 splicing is being connected into when circular, but projection 111 intercalations of its mat one arc silicon steel sheet unit 11 be fastened on adjacent arc silicon steel sheet unit 11 recess 112 in, by that analogy, it can connect to a circular silicon steel sheet 10 (as Fig. 3) fast, and can have splendid firm effect.

Again, the arc angle of above-mentioned arc silicon steel sheet unit 11, it can be with each single tooth portion 101 is the arc angle (as Fig. 1) of unit, or wholecircle divided into the arc angles of quadrant (as Fig. 2), sixth circle, 1/8th circles, and a complete circular silicon steel sheet 10 (as Fig. 3) is formed in mat above-mentioned several sections identical arc silicon steel sheet unit 11 splicings.In addition, in when combination, it can splice earlier and connects into the circular silicon steel sheet of a sheet type 10 bodies (as Fig. 3), stacks the framework that becomes to have suitable thickness with several pieces identical circular silicon steel sheets 10 again as above-mentioned arc silicon steel sheet unit 11; Or earlier stack the block (as Fig. 4) that is combined into the tool suitable thickness up and down with several pieces identical arc silicon steel sheet unit 11, thereafter again in the identical block of two sides splicing to connect to a complete circular silicon steel sheet framework.

According to above-mentioned when being configured in punch forming, structure of the present utility model can utilize the irregular arrangement of plane space, the simplest just as shown in Figure 1, it is that continuous cutting goes out arc silicon steel sheet unit 11 on a silicon steel sheet strip, compare the feed consumption size that the utility model goes out with imaginary line institute frame in Fig. 1 again, be configured in the feed consumption size that Fig. 5 goes out with imaginary line institute frame with existing, can find out obviously that its waste material that is produced of structure of the present utility model lacks far beyond existing being configured to when cutting, and can directly reach the waste that reduces material, to reduce the purpose of manufacturing cost; Moreover, because of silicon steel sheet structure of the present utility model is made up of several pieces identical silicon steel sheet unit, therefore its employed during fabrication mould is existing below 1/4th, even it is littler, therefore, the utility model this respect more also can be saved the mould expense of a part, and can further reach the effect that reduces cost and promote the market competitiveness.

Shape, structure as above disclosed embodiment, be two embodiment in the many possible embodiments of the utility model, so claim of the present utility model is not limited thereto, all under the condition that does not depart from the utility model design, each element can be replaced with the similar or equivalent element that affiliated technical field personnel understand.

In sum, the utility model " motor is constructed with the improvement of silicon steel sheet " can reach really and reduce the discarded amount of material, reduces the effect of manufacturing cost, and then increases this competitiveness of product in market and economic worth; Again, being configured in of this case proposes do not have identical items or technology to see publication or public use before the patent application; Be to meet novel patent requirement, propose the application of novel patent in accordance with the law with this case.

Claims

1. a motor is constructed with the improvement of silicon steel sheet, and this silicon steel sheet is the circular body that is sheet type, and ring is established the tooth portion that several extend internally on this silicon steel sheet body; Its feature exists: this is circular silicon steel sheet is to be connected to form by several sections identical arc silicon steel sheet unit splicings.

2. motor according to claim 1 is characterized in that with the improvement structure of silicon steel sheet described arc silicon steel sheet unit has a projection in the one side, opposite side be provided with one with the corresponding recess of described projection.

3. motor according to claim 1 is characterized in that with the improvement structure of silicon steel sheet, and the arc angle of described arc silicon steel sheet unit is a quadrant or sixth circle or 1/8th circles, or is the arc angle of unit with single tooth portion.