CN203014508U

CN203014508U - Pole shoe module for motor stator

Info

Publication number: CN203014508U
Application number: CN 201220702431
Authority: CN
Inventors: 杜小兵; 吴储正; 邢懿烨
Original assignee: ZHEJIANG DIBEI ELECTRICAL CO Ltd
Current assignee: ZHEJIANG DIBEI ELECTRICAL CO Ltd
Priority date: 2012-11-30
Filing date: 2012-11-30
Publication date: 2013-06-19
Anticipated expiration: 2022-11-30

Abstract

The utility model discloses a pole shoe module for a motor stator, and belongs o he technical field of parts of a motor stator. The pole shoe module is indispensable for assembling into a lamination tabling motor stator, the pole shoe module is formed by alternately stacking long pole shoe punching sheets and short pole shoe punching sheets and riveting, each long pole shoe punching sheet consists of a shoe , a shoe body and a shoe foot extending from the shoe body, and each pole shoe punching sheet only consists of a shoe and a shoe body, thereby forming a shoe part, a shoe body part and a shoe foot part of the pole shoe module. The pole shoe module for the motor stator has the advantages of convenient wiring, and low manufacturing cost of wiring, realizes wiring outside the stator, lowers the technological requirement of wiring, and the motor stator assembled by the pole shoe module after wiring has the characteristic of high fullness rate of a winding groove, thereby improving the efficiency of a motor.

Description

The pole shoe module that motor stator is used

[technical field]

The utility model relates to the pole shoe module that a kind of motor stator is used, and belongs to the part technical field of motor stator.

[background technology]

Traditional motor stator core be laminated by some stator punchings rear integrated, wherein, complete monolithic stator punching edge in its yoke protrudes out the gear piece that several point to the stator punching center, therefore, stator core is comprised of stator yoke section and stator teeth, stator coil is to be wound on stator teeth, and just there is following technical problem in this:

in the stator manufacture process, coiling is inconvenient, namely directly carry out winding operation on stator core, because inlet wire notch (adjacent stators tooth section between gap) is little, cause the winding operation space little, need to purchase the pin type coil winding machine for this reason, and pin type coil winding machine equipment investment cost is high, at present essential import, the producer that financial strength is little can't popularize, still continue to use artificial winding operation, although the pin type coil winding machine that price is more expensive increases compared with artificial coiling work efficiency, but because cost performance is not high, the user still dislikes its threading speed slow, winding efficiency is low, the deficiencies such as wire winding high in cost of production, coiling manufacturing expenses height is reflected to the motor unit cost indirectly to be difficult to descend.

Moreover the pin type coil winding machine is in when coiling, only can one stator teeth connect the action that winds the line of a stator teeth ground, the unit interval output that winds the line is little, only can 40 coils of coiling/hour.

[utility model content]

The purpose of this utility model is to provide the pole shoe module that a kind of motor stator is used, it can independently carry out winding operation easily in advance before being assembled into motor stator, the coiling low cost of manufacture, the motor stator that is become by the pole shoe module assembly after coiling has the high characteristics of coiling copper factor, thereby can improve electric efficiency.

For addressing the above problem, the technical solution of the utility model is as follows:

The pole shoe module that motor stator is used, it is essential for being assembled into lamination tabling type motor stator institute, described pole shoe module is by long pole shoe punching and short pole shoe punching replaces stack and riveting forms, long pole shoe punching is comprised of from the boots pin of boots body boots hat, boots body and extension, short pole shoe punching only is comprised of boots hats and boots body, thus the boots bizet of formation pole shoe module, boots body section and boots foots.

The shape of above-mentioned pole shoe module roughly is " fourth " font, and the end of boots pin is pointed.

Compared with prior art, the beneficial effects of the utility model are as follows:

The pole shoe module of modularized design is comprised of long pole shoe punching and short pole shoe punching, thoroughly run thus and answered the conventional design structure of motor stator, make several pole shoe modules jointly consist of the necessary part of motor stator, the like this assembling of lamination tabling type motor stator possibility that comes true, Promethean several pole shoe modules wind the line together and become the lamination tabling type motor stator with the auxiliary equipment setting-in again after complete.

before each pole shoe module assembly becomes the lamination tabling type motor stator, all can independently carry out in advance winding operation easily, abandoned and to have wound the line one by one on traditional stator in traditional winding operation pattern of stator teeth, avoid the interference of stator teeth during coiling, and the impact of the close gap between stator teeth and stator teeth, thereby reduced the wire winding requirement, can support the use high speed cable machine equipment, realized that a plurality of pole shoe modules can wind the line simultaneously, threading speed is significantly soaring, unit interval coiling output is high, coiling coiling expense decrease, compare with pin type wire-wound machine, the equipment investment of high speed cable machine is few, can domesticize, output be 150 coils/hour, its return rate is high.

The coiling copper factor is high: carries out the neat winding operation of linear array on the pole shoe module, guaranteed the homogeneity that coil spaces, and the impact of the wire diameter material thickness that do not wound the line, because the coiling copper factor is high, thereby improved electric efficiency;

The long pole shoe punching and the short pole shoe punching that consist of the pole shoe module all can be obtained by the punching of silicon steel sheet leftover bits.

[description of drawings]

Fig. 1 is the stereogram of the utility model pole shoe module;

Fig. 2 is the stereogram of long pole shoe punching;

Fig. 3 is the stereogram of short pole shoe punching;

Fig. 4 shows the stereogram of the pole shoe module that is wound with coil;

Fig. 5 is the stereogram of the magnetic conductor of lamination tabling type stator;

Fig. 6 is the vertical view that the utility model is assembled into lamination tabling type stator.

[embodiment]

see also Fig. 2 and shown in Figure 3, long pole shoe punching 11 roughly is " fourth " font, it is by boots hat 111, the single integral body that boots body 112 and boots pin 113 form, the end of boots pin 113 is pointed, and the single integral body that short pole shoe punching 12 only is comprised of boots hat 121 and boots body 122, wherein, long pole shoe punching 11 has with short pole shoe punching 12 thickness that equates, and boots hat 111 and boots hat 121 are in shape, identical on size, boots body 112 and boots body 122 width equate, it is more a little longer than the boots body 122 of short pole shoe punching 12 that comparison diagram 2 and Fig. 3 can be good at the boots body 112 of pole shoe punching 11.In Fig. 1, pole shoe module 1 is comprised of boots bizet 1a, the boots body 1b of section and the boots 1c of foot.As example, pole shoe module 1 by three short pole shoe punchings 12 and two length of a film pole shoe punchings 11 alternately stack together, and buckle 1d by the riveting of being located at the boots body 1b of section and fix each other in the mode of chain of rings interlocking riveting and link into an integrated entity.

Insulation processing is all passed through in each length of a film pole shoe punching 11, the short pole shoe punching 12 of every a slice.

In conjunction with shown in Figure 4, pole shoe module 1 is wound with coil 3 on its boots body 1b of section, it can in the situation that open, not disturbed by space outerpace to wind the line by the high speed cable machine.

Magnetic conductor 2 in Fig. 5 can be assembled into the lamination tabling type motor stator with several thick all identical pole shoe modules 1 that change.Closed magnetic guiding loop punching 21 is for having the single monolithic structure of centre bore, as example, semi-open magnetic conduction ring plate cuts by the magnetic guiding loop of nine sections same sizes the imaginary ring plate that sheet 22 rearranges with all angles of circumferential isometric circle, and this imaginary ring plate has with magnetic guiding loop punching 21 internal-and external diameter that equates, the thickness that each magnetic guiding loop cuts sheet 22 all equates with the thickness of magnetic guiding loop punching 21.Magnetic conductor 2 by magnetic guiding loop punching 21 and semi-open magnetic conduction ring plate replace stack, riveting forms, be specifically to interlock the riveting mode by the chain of rings every layer of each magnetic guiding loop cut sheet 22 is a fixedly all-in-one-piece magnetic conductor 2 with adjacent layer magnetic guiding loop punching 21 riveted joint respectively, by nine riveting buttons 6, all magnetic guiding loops cut sheet 22 as seen from the figure and realize that with all magnetic guiding loop punchings 21 riveted joint is fixed into one.magnetic guiding loop punching 21 has three layers, semi-open magnetic conduction ring plate has two layers, three layers of magnetic guiding loop punching 21 lay respectively at the superiors of magnetic conductor 2, intermediate layer and the bottom, the second layer that it is remaining, the 4th layer is all occupied by semi-open magnetic conduction ring plate, wherein, being positioned at each magnetic guiding loop on the semi-open magnetic conduction ring plate of the second layer corresponding magnetic guiding loop on cutting sheet 22 and being positioned at the 4th layer of semi-open magnetic conduction ring plate cuts sheet 22 and aligns one by one, what form totally nine equal intervals in the second layer inlays space 20, similarly, what also form totally nine equal intervals in the 4th layer inlays space 20, on, inlay space 20 and align one by one for lower each nine.

Every a slice magnetic guiding loop punching 21, every a slice magnetic guiding loop cut sheet 22 and all pass through insulation processing.

The folded thick of folded thick and each pole shoe module 1 of magnetic conductor 2 all equates; The quantity of inlaying space 20 equates with the sum of the boots punching 11 of nine pole shoe modules 1.

please refer to shown in Figure 6, as example, show altogether nine pole shoe modules 1 that all are wound around coil 3, formation wire casing space 4 between consecutive roots last piece 1, each boots pin 113 of pole shoe module 1 intercalation magnetic conductor 2 is one by one inlayed space 20 accordingly, in conjunction with Fig. 1, 2, 3, 4, shown in 5, say in more detail, to be positioned at the second layer, the long pole shoe punching 11 boots pin 113 separately of the 4th layer respectively with the second layer, combination is inlayed in the 4th layer of corresponding space 20 of inlaying, all the other are remaining is positioned at the superiors, the short pole shoe punching 12 of intermediate layer and the bottom separately boots body 122 end face with lay respectively at the superiors, the conflict that matches of magnetic guiding loop punching 21 internal ring walls of intermediate layer and the bottom.When all pole shoe modules 1 that all have been wound around coil 3 be the radial magnetic conductor of intercalation one by one 2 inlay accordingly space 20 complete after, on each pole shoe module 1, the far-end of the boots pin 113 of each long pole shoe punching 11 all stretches out outside magnetic conductor, and the far-end of all boots pin 113 all is welded and fixed together with magnetic conductor 2, shown in Fig. 9 is lamination tabling type stator after fixed-type, and nine soldereds 5 shown in figure represent that namely the boots 1c of the foot far-end of each pole shoe module 1 all is welded and fixed with magnetic conductor 2.

The desirable gap of inlet wire notch is 0.5mm.as Fig. 6, shown in 1, the inner sunken face that the boots bizet 1a of nine pole shoe modules 1 has has the same curvature radius, the pole shoe module 1 of radial distribution forms not complete totally enclosed center circle, because this lamination tabling type stator iron core has been realized (being outside the moulding stator core) directly coiling on pole shoe module 1, accordingly, each inlays the specifications design in space 20, can not be subjected to winding mode, the restriction of the factors such as coiling wire diameter, design according to desirable gap, guarantee that the gap (being the inlet wire notch) between the boots bizet 1a of consecutive roots last piece 1 is controlled at 0.5mm, therefore motor oscillating is little, starting efficiency is high.

Claims

1. pole shoe module that motor stator is used, it is essential for being assembled into lamination tabling type motor stator institute, it is characterized in that: described pole shoe module is by long pole shoe punching and short pole shoe punching replaces stack and riveting forms, long pole shoe punching is comprised of from the boots pin of boots body boots hat, boots body and extension, short pole shoe punching only is comprised of boots hats and boots body, thus the boots bizet of formation pole shoe module, boots body section and boots foots.

2. pole shoe module according to claim 1, it is characterized in that: the shape of described pole shoe module roughly is " fourth " font, and the end of described boots pin is pointed.