CN201893624U

CN201893624U - Stator core of motor

Info

Publication number: CN201893624U
Application number: CN2010205302861U
Authority: CN
Inventors: 鲁力; 范俊; 王焕萍
Original assignee: Zhejiang Xizi Forward Electrical Machinery Co Ltd
Current assignee: Zhejiang Xizi Forward Electrical Machinery Co Ltd
Priority date: 2010-09-13
Filing date: 2010-09-13
Publication date: 2011-07-06
Anticipated expiration: 2020-09-13

Abstract

A stator core of a motor is applicable to any motors and particularly applicable to elevator traction machines, and comprises a plurality of H-shaped stator core bodies (1) and an insulating frame (2). The H-shaped stator core bodies (1) are spliced and laminated and the same in shape, the number of the H-shaped stator core bodies is 36 (but not limited to 36), concave spheres (3) or convex spheres (4) are respectively arranged on two sides of each stator core body (1) in the same direction, the concave spheres (3) and the convex spheres (4) on two adjacent stator core bodies (1) respectively are capable of being assembled into a complete annular stator core of the motor in a socket manner and then the annular stator cores are laminated, or the stator core bodies (1) are laminated at first and then spliced. The insulating frame (2) covers the stator core bodies (1). The stator core of the motor is in a split structure, has the advantages of simple structure, convenience in manufacturing, easiness in splicing and laminating, high material utilization rate, high dimension precision and the like.

Description

The stator core of motor

Technical field

The utility model relates to a kind of stator core of motor, and stator core is applicable to any motor, is particularly useful for elevator traction machine.

Background technology

Traditional elevator traction machine stator core is a full circle shape structure, distributing above and designing desired groove number, the manufacture method that this structure is traditional is: one, the silicon steel sheet plate is passed through the direct punching out of punch press, again to welding or riveting molding behind its closed assembly, the shortcoming of this technology is the stock layout difficulty, on every side angle material and middle rounded material can't use, become blanking punched being wasted, utilance has only about 30%, even with these blanking punched utilizations once more, also be subjected to the different restriction of specification, can produce blanking punchedly equally, the waste of more material is inevitable; Two, be comparatively new-type coiling technology, it is that a kind of to substitute traditional silicon steel sheet plate with silicon steel sheet band material be raw material, by punching out cog belt → screw winding → laminate → weld → push and moulding, though this manufacture method can improve stock utilization, but also there is certain shortcoming, easily produce flexural deformation as band material in winding process, also be easy to generate mutual interference between the cog belt material teeth groove, thereby cause internal diameter or external diameter to produce plastic deformation, the control of dimensional accuracy and positional precision is difficult, thereby motor properties is had a negative impact.In a word, full circle shape stator core construction exists shortcomings such as complex manufacturing technology, material requirements height and material use rate variance, assembling difficulty.

Chinese patent by retrieval, the invention of relevant motor aspect is many, but does not have the stator core construction of the motor that the utility model relates to, and similar structure of the present utility model particularly do not occur in the elevator traction machine field.

The utility model content

The purpose of this utility model provides a kind of stator core of motor, to overcome the shortcoming that prior art exists, stator core of the present utility model is the breakdown structure, laminate and be assembled into the stator core of a complete annular motor then by several stator core main body monolithics that are I shape, the stator core that the utility model provides can be applicable on any motor, be particularly useful for elevator traction machine.

Concrete technology contents of the present utility model mark in conjunction with the accompanying drawings is described below.

A kind of stator core of motor, comprise, carry out assembly unit and laminate constituting by several stator core main bodys 1 that are I shape, with insulation framework 2, wherein, the shape of described stator core main body 1 is identical, be generally 36 (but not being restricted to 36), the two sides of described stator core main body 1 are provided with recessed circle 3 and/or dome 4 respectively, wherein, the recessed circle (3) of stator core main body (1) side and dome (4) quantity are not limit, and the satisfied recessed circle 3 that faces mutually on two stator core main bodys 1 can patch the stator core that is assembled into a complete annular motor mutually with dome 4 and laminate, or stator core main body 1 laminated assembly unit mutually earlier, described insulation framework 2 outer wrapping on the stator core main body 1 again.Described stator core main body 1 can be the stator core main body 1 that is divided into several I shapes along the stator slot center line 5 of former unitary stator iron core, formation is the I-shaped structure at center with stator tooth 6, and the quantity of stator core main body 1 depends on the stator core size of elevator traction machine.

The centre of described each stator core main body 1 have aperture 7 when doing assembly unit the location and be pressed into support after fastening.

Because the stator core of motor of the present utility model is the stator core that is laminated and be assembled into a complete annular motor by several stator core main body monolithics that are I shape then, adopt the breakdown structure to have simple in structure, easy to make, assembly unit and laminate easily, high, the dimensional accuracy advantages of higher of stock utilization, overcome the shortcoming that prior art exists, the stator core that the utility model provides can be applicable on any motor, be particularly useful for elevator traction machine.

Description of drawings

Fig. 1 is the utility model structural representation (local figure).

Indicate among the figure: 1, stator core main body, 2, insulation framework, 3, recessed circle, 4, dome, 5, the stator slot center line, 6, stator tooth, 7, aperture.

Embodiment

Further specify detailed technology mode of the present utility model and embodiment below in conjunction with accompanying drawing.

Accompanying drawing 1 is the utility model structural representation (local figure), it is a most preferred embodiment of the present utility model, in conjunction with the accompanying drawings 1 can illustrate stator core of the present utility model by stator core main body 1 assembly unit of several " worker " fonts with laminate, also can be described as and traditional stator core is divided into several stator core main bodys 1 that are I shape along the stator slot center line carries out assembly unit again and laminate into a full circle type stator core, forming with the tooth is " worker " font structure at center; The quantity of cutting apart depends on the groove number of traction machine design, and this structure is applicable to the stator core of any grooved.Each " worker " font stator core main body 1 is the center with the stator tooth, about the grooved that respectively distributes half, adjacent two stator core main body 1 assembly units can obtain a complete profile of groove, this structure is applicable to the stator core of any grooved.Stator core main body 1 volume of the present invention is little, except grooved partly be blanking punched, the waste material that does not almost have other produces, and has fully improved the utilance of material.

The utility model all has aperture 7 in the centre of each stator core main body 1, and 7 pairs of motor performances of this aperture do not have influence, but the location can do assembly unit the time and be pressed into support after fastening usefulness.This fixed form has been strengthened the integrally-built stability of stator core, has reduced the dimension precision requirement of fitting recess, has reduced the processing cost of groove, is created in the stress of groove face in the time of effectively relaxing the motor assembling simultaneously.

Stator core main body 1 of the present utility model can adopt the direct punching out of punch press, laminate moulding through conventional technology, its simple and reliable process, the control mode maturation, motor performance is had no adverse effect, tonnage number to punching apparatus requires to reduce greatly simultaneously, and the punch press of little tonnage gets final product the stator punching of punching out all size traction machine, has reduced the input and the amortization charge of equipment.

The utility model is because of adopting said stator iron core main body 1, so cancelled the insulating paper of all size, change into and adopt the insulation framework 2 of straight forming to be enclosed within on the stator core main body 1, and winding directly can be wound on outside the insulation framework by automatic coil winding machine, improved coiling speed and quality.Insulation framework 2 adopts resistant to elevated temperatures insulating material, during with 1 assembling of stator core main body, two insulation framework 2 make-ups, the flute profile inside of stator core main body 1 is surrounded fully, after stator core main body 1 and insulation framework 2 assemblings are finished, directly coiling enamelled wire in the groove of insulation framework 2 need not materials such as other insulating papers; Again the recessed circle 3 of 36 stator core main bodys 1 is connected one by one with dome 4 and is assembled into the whole ring form stator core; During adjacent two stator core main body 1 assembly units, rely on the dome 4 of one side to dock 36 grooves of formation mutually with the recessed circle 3 of another stator core main body 1 side; Utilize each stator core main body 1 middle aperture 7 to add the bolt location in the assembly unit process, be assembled into whole back and clamp, the inside and outside circle size after the maintenance assembly unit with anchor ear; After dipping lacquer is finished, again anchor ear is unclamped, finish the making of a stator iron core after unclamping; At last stator core is pressed in the support, stator core is fixed in the groove of assembling by the aperture 7 in the middle of each iron core main body 1.Adopt said structure, the utilance of material has arrived more than 70%, and manufacturing process is simple and reliable simultaneously.

The utility model only is described in detail with regard to a most preferred embodiment of the present utility model; but can not be interpreted as the restriction of other modes that the utility model is implemented; everyly further improve and similar or identical scheme on the utility model basis, all being considered as is the scope that the utility model is asked for protection.

Claims

1. the stator core of a motor, it is characterized in that: comprise, carry out assembly unit and laminate formation by several stator core main bodys (1) that are I shape, and insulation framework (2), wherein, the shape of described stator core main body (1) is identical, be generally 36, the two sides of described stator core main body (1) are provided with recessed circle (3) and/or dome (4) respectively, wherein, the recessed circle (3) of stator core main body (1) side and dome (4) quantity are not limit, and satisfy the recessed circle (3) face mutually on two stator core main bodys (1) and can patch the stator core that is assembled into a complete annular motor mutually with dome (4) and laminate again, or stator core main body (1) laminated assembly unit mutually earlier again, described insulation framework (2) is outer to wrap on the stator core main body (1).

2. the stator core of motor according to claim 1, it is characterized in that: described stator core main body (1) can be the stator core main body (1) that is divided into several I shapes along the stator slot center line (5) of former unitary stator iron core, formation is the I-shaped structure at center with stator tooth (6), and the quantity of stator core main body (1) depends on the stator core size of elevator traction machine.

3. the stator core of motor according to claim 1 is characterized in that: the centre of described each stator core main body (1) have aperture (7) when doing assembly unit the location and be pressed into support after fastening.