CN210007489U

CN210007489U - Piece together iron core, stator, motor and hauler

Info

Publication number: CN210007489U
Application number: CN201920920067.5U
Authority: CN
Inventors: 李平; 皮志峰; 曾红波; 肖孝优
Original assignee: Hitachi Elevator Motor Guangzhou Co Ltd
Current assignee: Hitachi Elevator China Co Ltd; Hitachi Elevator Motor Guangzhou Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-01-31
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses an piece together a piece iron core, stator, motor and hauler, piece together a piece iron core and include coil, skeleton and inner core, the inner core is folded by polylith silicon steel sheet and is pressed the formation, the inner core is including rolling up end and concatenation end, the both sides edge of concatenation end is equipped with interior recess and bulge respectively, the skeleton cover is located outside rolling up the end, the coil around rolling up in outside the skeleton the aforesaid piece together a piece iron core, the accessible is with the different bulge and the interior recess concatenation of piecing together a piece iron core, forms the stator structure of motor, because the inner core utilizes polylith silicon steel sheet to fold and press the formation, and the required mould of punching is simple, and is with low costs, compares in whole circle formula punching, can improve the utilization ratio of counterpunch piece material, simultaneously owing to utilize the skeleton cover to locate outside rolling up the end, when winding the coil outside the skeleton, the coil can not directly contact with the inner core, and is better to the guard effect of coil, consequently can adopt the.

Description

Piece together iron core, stator, motor and hauler

Technical Field

The utility model relates to the technical field of electric machine, especially relate to kinds of piece together iron core, stator, motor and hauler.

Background

The stator inner core is an important part of the stator and is also a main component of a motor magnetic circuit. It is composed of fan-shaped pieces and other parts. The stator inner core is formed by punching silicon steel sheets into fan-shaped sheets and is stacked, and meanwhile, the inner core is also a part for placing windings.

Traditional PMSM inner core towards piece adopts whole circle formula towards piece structure, and this structure towards piece material utilization rate low, and whole circle formula towards piece volume great, and it is higher to the stamping equipment requirement, and traditional magnetic core wire winding adopts artifical wire winding simultaneously, and work efficiency is not high.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses lie in overcoming prior art not enough, provide kinds can improve piece together iron core, stator, motor and the hauler of material utilization and wire winding efficiency.

The technical scheme is as follows:

split iron core comprises a coil, a framework and an inner core, wherein the inner core is formed by laminating a plurality of silicon steel sheets, the inner core comprises a winding end and a splicing end, the edges of two sides of the splicing end are respectively provided with an inner concave part and a convex part, the framework is sleeved outside the winding end, and the coil is wound outside the framework.

Above-mentioned piece together an iron core, the accessible will be different pieces together a bulge and the concatenation of interior concave part of iron core, form the stator structure of motor, because the inner core utilizes polylith silicon steel sheet to fold and presses the formation, it is simple towards the required mould of piece, low cost, compare in whole circular punching, can improve the utilization ratio of counterpunch material, simultaneously owing to utilize the skeleton cover to locate outside rolling up the end, when winding the coil outside the skeleton, the coil can not directly contact with the inner core, the protecting effect to the coil is better, consequently, can adopt automatic mode of rolling up, improve winding efficiency and wire winding quality.

In of these embodiments, the backbone is an insulator.

stator, including spacing ring, mounting and a plurality of piece together iron core as above-mentioned any said, piece together iron core along circumference set gradually, the bulge of front piece together iron core with after piece together iron core concave part match, be equipped with the perforation on the end of piecing together or the end of rolling up, the mounting with piece together iron core correspond the setting, the mounting wear to establish the perforation and with spacing ring is connected.

Above-mentioned stator assembles the completion back at a plurality of iron cores of piecing together, and the accessible wears to establish the mounting and perforates and be connected with th spacing ring, assists the installation to piecing together a piece iron core, realizes a plurality of reliable connections of piecing together the iron core, owing to piece together the iron core and can adopt automatic wire winding, has improved wire winding quality, and a plurality of connections of piecing together the iron core are stable simultaneously, can improve the performance of stator.

In embodiments, the side of the protrusion part far from the splicing end is a slope, and the angle between the slope and the length direction of the winding end is larger than 0 °.

In embodiments, the stator further includes a second limiting ring, the th limiting ring and the second limiting ring are respectively disposed on two sides of the split core, and two ends of the fixing member are respectively connected to the th limiting ring and the second limiting ring.

In embodiments, both sides of the winding end are recessed inwards, the framework is provided with a through port for the winding end to pass through, and the end of the framework, which is far away from the splicing end, is turned outwards or arranged in a flush manner.

In embodiments, the end of the skeleton near the splicing end comprises a baffle and a second baffle which are respectively bent towards two sides of the inner core, and two end openings of the through hole on the inner core are respectively positioned at the inner sides of the baffle and the second baffle.

In embodiments, the bobbin is provided with a terminal and a second terminal, the end of the coil is provided on the terminal, the other end of the coil is provided on the second terminal, and the terminal and the second terminal are both provided on the baffle.

A machine comprising a stator as claimed in any of the preceding items .

Above-mentioned motor, because the stator has adopted a plurality of structures of piecing together the concatenation of piece iron core, can improve the material utilization ratio towards the piece, piece together the piece iron core simultaneously and have the skeleton, can adopt automatic wire-wound mode production, improved wire winding efficiency and wire winding effect, and usable mounting and spacing ring auxiliary fixation when a plurality of pieces together the iron core concatenation, improved the stability and the working property of stator, make the performance of above-mentioned motor better.

traction machine, including traction wheel and above-mentioned motor, the motor is used for the drive the traction wheel rotates, the traction wheel is used for driving the car and goes up and down.

Above-mentioned hauler because the stator in the motor has adopted the structure of a plurality of splicing piece iron core concatenations, can improve the material utilization ratio towards the piece, splicing piece iron core has the skeleton simultaneously, can adopt automatic wire-wound mode production, improved wire winding efficiency and wire winding effect, and usable mounting and spacing ring are supplementary fixed when a plurality of splicing piece iron core concatenations, have improved the stability and the working property of stator, make the performance of motor better, and then improve the working property of hauler.

Drawings

Fig. 1 is an oblique view of a split core according to an embodiment of the present invention;

fig. 2 is an oblique view of the inner core according to an embodiment of the present invention;

fig. 3 is a front view of a silicon steel sheet according to an embodiment of the present invention;

fig. 4 is an assembly diagram of a stator according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

FIG. 6 is an enlarged schematic view at B of FIG. 4;

fig. 7 is a front view of an inner core according to an embodiment of the present invention;

fig. 8 is an oblique view of the frame according to the embodiment of the present invention.

Description of reference numerals:

100. the coil, 200, the skeleton, 201, the mouth that passes through, 210, baffle, 220, the second baffle, 230, end, 240, the second end, 250, terminal, 260, the second terminal, 300, the inner core, 310, wind end, 320, the concatenation end, 321, interior recess, 322, the bulge, 322a, the inclined plane, 330, the perforation, 400, the spacing ring, 500, the mounting, 600, the second spacing ring, 10, the silicon steel sheet, 11, the pilot hole.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It is noted that when an element is referred to as being "secured to" another elements, it can be directly on the other elements or intervening elements may also be present, that when elements are referred to as being "connected" to another elements, it can be directly connected to another elements or intervening elements may be present.

The terminology used herein in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention, the terminology used herein "and/or" includes any and all combinations of or more of the associated listed items.

In the present invention, the terms "", "second" do not denote any particular quantity or order, but are merely used to distinguish names.

As shown in fig. 1 to 3, the embodiment discloses split core, which includes a coil 100, a frame 200, and an inner core 300, wherein the inner core 300 is formed by laminating a plurality of silicon steel sheets 10, the inner core 300 includes a winding end 310 and a splicing end 320, two side edges of the splicing end 320 are respectively provided with an inner concave portion 321 and a convex portion 322, the frame 200 is sleeved outside the winding end 310, and the coil 100 is wound outside the frame 200.

Above-mentioned piece together an iron core, the accessible will be different pieces together a bulge 322 and the concatenation of interior concave part 321 of iron core, form the stator structure of motor, because inner core 300 utilizes polylith silicon steel sheet 10 to fold to press and form, it is simple to go out the required mould of piece, low cost, compare in whole circular punching, can improve the utilization ratio of counterpoint piece material, simultaneously owing to utilize skeleton 200 cover to locate outside rolling up end 310, when winding coil 100 outside skeleton 200, coil 100 can not directly contact with inner core 300, the protecting effect to coil 100 is better, consequently, can adopt automatic mode of rolling up, improve wire winding efficiency and wire winding quality.

Specifically, when the coil 100 is directly wound on the inner core 300, because the inner core 300 is formed by laminating a plurality of silicon steel sheets 10, adjacent silicon steel sheets 10 may be uneven, if automatic winding is adopted, in the winding process, friction may occur between the coil 100 and the inner core 300 to cause abrasion of an insulating layer on the coil 100, and further cause conduction between the coil 100 and the inner core 300, and the inner core 300 or the coil 100 may be burnt out after being powered on, therefore, adopts a manual winding mode, but at the moment, the winding efficiency is low, and winding displacement is uneven during winding, which may affect the performance of the split iron core, and the split iron core can isolate the inner core 300 and the coil 100 by sleeving the framework 200 outside the inner core 300, and meanwhile, the coil 100 can reduce friction during winding, and therefore, an automatic winding mode can be adopted, and the winding efficiency and the winding quality are improved.

Alternatively, the number of the winding ends 310 may be or more, and when there are a plurality of winding ends 310, different winding ends 310 are spaced apart from each other, and an included angle exists between two adjacent winding ends 310.

Specifically, the concave portion 321 matches the shape of the convex portion 322. Can be spliced conveniently.

In embodiments, the frame 200 is an insulating member, which can prevent the coil 100 from breaking and leading to conduction between the coil 100 and the inner core 300, thus ensuring the normal operation of the split iron core.

As shown in fig. 4 to 6, the embodiment discloses types of stators, which include th limiting ring 400, fixing member 500, and a plurality of split cores as described above, the split cores are sequentially arranged along the circumferential direction, the protruding portions 322 of the front split cores are matched with the inner recessed portions 321 of the rear split cores, the splicing end 320 or the winding end 310 is provided with a through hole 330, the fixing member 500 is arranged corresponding to the split cores, and the fixing member 500 penetrates through the through hole 330 and is connected to the th limiting ring 400.

Above-mentioned stator, a plurality of iron cores of piecing together assemble the completion back, the accessible with mounting 500 wear to establish perforation 330 and be connected with spacing ring 400, to piecing together a piece iron core and carry out supplementary installation, realize a plurality of reliable connections of piecing together a piece iron core, owing to piece together the iron core and can adopt automatic wire winding, improved wire winding quality, a plurality of connections of piecing together the iron core are stable simultaneously, can improve the performance of stator.

In embodiments, as shown in fig. 7, the side of the protrusion 322 away from the splicing end 320 is an inclined plane 322a, the included angle between the inclined plane 322a and the length direction of the winding end 310 is greater than 0 degree, at this time, when different split iron cores are spliced, a fixed included angle can be formed between two adjacent split iron cores, as the number of the split iron cores increases, the split iron cores can be circumferentially distributed, and the matching between two adjacent split iron cores is more stable, and the reliability of work after the split iron cores are spliced can be improved.

Specifically, as shown in fig. 7, the longitudinal direction of the winding end 310 is the a direction.

In embodiments, as shown in fig. 4, the stator further includes a second limiting ring 600, the limiting ring 400 and the second limiting ring 600 are respectively disposed on two sides of the segment core, and two ends of the fixing member 500 are respectively connected to the limiting ring 400 and the second limiting ring 600, so that the segment core can be limited by the cooperation of the limiting ring 400 and the second limiting ring 600, and the reliability of connection and fixation of the segment core is further improved steps.

Specifically, the fixing member 500 includes a bolt and a nut that are engaged with each other, and the two ends of the bolt are inserted through the through hole 330, respectively inserted through the th limiting ring 400 and the second limiting ring 600, and respectively engaged with the nut by screw threads.

In embodiments, as shown in fig. 1, 7 and 8, both sides of the winding end 310 are recessed inward, the frame 200 is provided with a through opening 201 for the winding end 310 to pass through, the end of the frame 200 away from the splicing end 320 is turned over outward or is flush, at this time, the end of the frame 200 away from the splicing end 320 is matched with the end of the winding end 310, so that the end of the winding end 310 can be protected, and the adjacent two winding ends 310 are prevented from contacting.

In embodiments, as shown in fig. 1 and 4, the end of the frame 200 close to the splicing end 320 includes a 0 th baffle 210 and a second baffle 220 respectively bent toward both sides of the core 300, the through holes 330 are respectively located inside the th baffle 210 and the second baffle 220 at both ends of the core 300, at this time, the th baffle 210 and the second baffle 220 respectively form a stepped structure with both sides of the splicing end 320 for mounting the th baffle 210 and the second baffle 220, the th spacing ring 400 and the second spacing ring 600 are located inside the th baffle 210 and the second baffle 220 when mounted, the th spacing ring 400 and the second spacing ring 600 are not protruded, so that the overall structure of the stator is more compact, and at this time, the th spacing ring 400 and the second spacing ring 600 are also limited by the stepped structure, so that the can further improve the connection reliability.

The th baffle 210 protrudes away from the winding end, another steps are formed between the th baffle 210 and the end face of the framework 200, and can be abutted against the side face of the splicing end 320 to ensure the stability of the split core structure.

Optionally, when a plurality of segment cores are sequentially spliced in the circumferential direction, the th baffle plate 210 is surrounded into a circular structure, the inner diameter of the circular structure is R1, the outer diameter of the th limiting ring 400 is R2, and then R2< R1, the fit between the second baffle plate 220 and the second limiting ring 600 is the same as the fit between the th baffle plate 210 and the th limiting ring 400.

Specifically, as shown in fig. 8, the frame 200 includes an th end 230 and a 240 th end, the th end 230 is folded outwards, in horizontal projection, the projection of the th end 230 covers the projection of the end of the winding end 310, and the th baffle 210 and the second baffle 220 are both located at the 240 th end.

In embodiments, as shown in fig. 1 and 8, a terminal 250 and a second terminal 260 are disposed on the frame 200, a end of the coil 100 is disposed on the terminal 250, another end of the coil 100 is disposed on the second terminal 260, and both the terminal 250 and the second terminal 260 are disposed on the -th baffle 210, at this time, the terminal 250 and the second terminal 260 can facilitate external circuits to connect two ends of the coil 100, and when a plurality of spliced iron cores are spliced, the plurality of coils 100 need to be powered on respectively, at this time, the terminal 250 and the second terminal 260 can ensure that the wiring distribution is orderly, and the wiring efficiency is improved.

In addition, the binding post 250 and the second binding post 260 are arranged on the baffle 210, and the parts needing wiring are all positioned on the same side of the spliced iron core, so that the operation is convenient.

an embodiment discloses a kind of motor, which includes the stator.

Above-mentioned motor, because the stator has adopted a plurality of structures of piecing together the concatenation of piece iron core, can improve the material utilization ratio towards the piece, piece together the piece iron core simultaneously and have skeleton 200, can adopt automatic wire-wound mode production, improved wire winding effect and wire winding efficiency, and a plurality of usable mounting 500 of piecing together the iron core when concatenation and spacing ring 400 auxiliary fixation, improved the stability and the working property of stator, make the performance of above-mentioned motor better.

Alternatively, the stator may be manufactured by a method comprising the steps of:

laminating the silicon steel sheet 10 with the assembling hole 11 to form an inner core 300 with a through hole 330;

injection molding the bobbin 200 around the winding end 310 on the core 300;

winding the coil 100 at a position corresponding to the winding end 310 outside the bobbin 200;

connecting a plurality of split iron cores end to end in sequence, wherein the convex parts 322 of the front split iron cores are inserted into the concave parts 321 of the rear split iron cores;

the fixing member 500 is inserted through the through hole 330 and connected to the th limiting ring 400;

the core 300 is welded.

The manufacturing method of the stator is formed by splicing the plurality of split iron cores, so that the material utilization rate can be improved when punching sheets, the framework 200 surrounding the winding end 310 is formed on the inner core 300 through injection molding, the winding end 310 can be fully protected, and then when winding the coil 100, the coil 100 cannot be in direct contact with the inner core 300, so that an automatic winding mode can be adopted, the winding efficiency and the winding quality can be improved, meanwhile, the fixing piece 500 is adopted to penetrate through the through hole 330 and is connected with the -th limiting ring 400 to assist and fix the spliced structure of the plurality of split iron cores, the reliability of the whole structure is improved, and the working performance of the stator is improved.

embodiment discloses kinds of traction machines, including traction wheel and above-mentioned motor, the motor is used for driving the traction wheel and rotates, and the traction wheel is used for driving the lift car to go up and down.

Above-mentioned hauler, because the stator in the motor has adopted the structure of a plurality of splicing piece iron core concatenations, can improve the material utilization ratio towards the piece, splicing piece iron core has skeleton 200 simultaneously, can adopt automatic wire-wound mode production, improved wire winding effect and wire winding efficiency, and usable mounting 500 and spacing ring 400 assist stationary when a plurality of splicing piece iron core concatenations, improved the stability and the working property of stator, make the performance of motor better, and then improve the working property of hauler.

In other embodiments, the motor may be used in other work scenarios, such as electric vehicles.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

The split iron core is characterized by comprising a coil, a framework and an inner core, wherein the inner core is formed by laminating a plurality of silicon steel sheets, the inner core comprises a winding end and a splicing end, the edges of two sides of the splicing end are respectively provided with an inner concave part and a convex part, the framework is sleeved outside the winding end, and the coil is wound outside the framework.
2. The split core of claim 1, wherein said bobbin is an insulator.
The stator of , wherein the stator comprises stop rings, a fixing member and a plurality of split cores as claimed in of any of claims 1-2, the split cores are arranged in sequence along the circumferential direction, the protruding parts of the front split cores are matched with the inner concave parts of the back split cores, the splicing end or the winding end is provided with a through hole, the fixing member is arranged corresponding to the split cores, and the fixing member is arranged through the through hole and connected with the stop ring.
4. A stator according to claim 3, wherein the side of the protrusion remote from the splicing end is a slope, and the angle between the slope and the length direction of the winding end is greater than 0 °.
5. The stator of claim 3, further comprising a second limiting ring, wherein the th limiting ring and the second limiting ring are respectively disposed on two sides of the segment core, and two ends of the fixing member are respectively connected to the th limiting ring and the second limiting ring.
6. The stator as claimed in claim 3, wherein both sides of the winding end are recessed inward, the frame is provided with a through port for the winding end to pass through, and the end of the frame far away from the splicing end is turned over or flush.
7. The stator of claim 3, wherein the ends of the framework near the splicing end comprise a baffle and a second baffle which are respectively bent towards two sides of the inner core, and the two end openings of the through holes on the inner core are respectively positioned at the inner sides of the baffle and the second baffle.
8. The stator as claimed in claim 7, wherein the bobbin is provided with th and second terminals, the end of the coil is provided on the th terminal, the other end of the coil is provided on the second terminal, and the th and second terminals are both provided on the th baffle plate.
An electrical machine of , comprising a stator according to any of claims 3-8 to .
10, traction machine, characterized in that, including the traction wheel and the motor of claim 9, the motor is used for driving the traction wheel to rotate, the traction wheel is used for driving the lift car to go up and down.