CN108233643A - A kind of method that iron core is made in motor stamping - Google Patents
A kind of method that iron core is made in motor stamping Download PDFInfo
- Publication number
- CN108233643A CN108233643A CN201611194241.XA CN201611194241A CN108233643A CN 108233643 A CN108233643 A CN 108233643A CN 201611194241 A CN201611194241 A CN 201611194241A CN 108233643 A CN108233643 A CN 108233643A
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- iron core
- punching
- tooling
- setting
- sizing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to the methods that iron core is made in motor stamping,It is characterized in that using a set of interstitial hole using in the shape of punching and punching as limiting benchmark setting,Convenient for being efficiently superimposed,Reliable solidifying and setting and efficiently the positioning compression tooling of production iron core,And facilitate application to have,The reliable liquid viscose glue of bonding sizing forms the adhesive of iron core as punching solidifying and setting after hot setting,Due to the technique using integrated bond punching solidifying and setting iron core,The technique for having broken away from traditional mechanical sizing and solidifying iron core of fixed point,Itself stress of the core stamping of making is uniform,Punching gap uniformity,Iron core sizing is reliable,Stable work in work,It can prevent iron core cracking,Punching, which warps etc., influences product quality and working life,Meet iron core high-precision geomery,Electromagnetism electric property and Mechanical Strength Design requirement,Be conducive to improve product qualification rate,Improve functional reliability,It works widely applicable,Different shape can be met and thickness punching makes the requirement of high quality iron core,There is very strong practicability.
Description
Technical field
The present invention relates to motor component manufacturing technology field, iron core is made in particularly a kind of motor stamping method.
Background technology
At present, in electric machine iron core manufacture view, generally use is by the motor stamping (referred to as " punching ") of several punching shapings
Mechanical solidifying and setting technique after superposition, more commonly used mainly has three kinds of the folded method of welding, button and sleeving and riveting method.Wherein：Described
Welding refers to outer circumferential edge along being above preset with salient point after the punching superposition of triangle or round salient point with argon tungsten-arc welding
Fusing forms the curing connection method of weld seam；The button method of folding refers to not only for every to be provided with button hole on same position but also set
It is equipped with the curing molding method that the punching superposition of button plug fastens；The sleeving and riveting method refers to that every on piece is set dimpled punching folds
Add be put into after interlocking compressed again with lamination fastener of motor in positioning tool after sleeving and riveting it is integral.Three is respectively provided with technical maturity, easy to operate
And the characteristics of low manufacture cost, and be only applicable to make it is common it is relatively simple for structure, punching is relatively thin, volume is opposite
Smaller iron core.Since these production methods are respectively provided with the characteristic shaped with the mechanical consolidation of partial points position, the matter of iron core is produced
Amount easily between by punching thickness, surface spikes, pressing force size, piece the uniformity in gap and punching be in part limited a little fastening
The restriction of the factors such as itself Stress non-homogeneity caused by under state, easily causes the requirement of iron core basic configuration off-design, generates
The verticality and overall surface flatness of gap unevenness, bore area and outer surface are undesirable between punching, even result in generation electricity
Machine iron core cracking, punching locally upwarp the situation of deformation, so influence the electromagnetism electric property of electric machine iron core, finished product rate,
Quality stability and functional reliability, so generally there are the product matter that technique owes reasonable, work applicable surface is not wide and makes
Measure the deficiencies of stability is poor, it is more difficult to meet the making required precision of the electric machine iron core of high-precision applications.
Invention content
The invention aims to overcome undesirable situation existing in terms of electric machine iron core making at present, one kind is provided
Using matching positioning compression tooling limiting sizing with punching, shaped using adhesive curing, can ensure that punching is shaped fixed
State lower stress is uniformly, gap uniformity between punching, iron core sizing is reliable, can ensure that and meets iron core high-precision size and mechanical strength
It is required that punching method that iron core is made.
The motor stamping method that iron core is made of the present invention is：Use a set of interstitial hole in the shape of punching and punching
For limiting benchmark setting, have horizontal direction with vertically to it is synchronous limiting superposition punching, vertically to compression punching, sizing and curing
The positioning compression tooling of iron core function, and using liquid viscose glue as punching, curing is formed the adhesive of iron core, and it is fixed to be fabricated to bonding
Type is reliable, gap uniformity, stable work in work and long lifespan between punching, can ensure that and meets iron core high-precision geomery, electromagnetism
Electric property and the high quality iron core of Mechanical Strength Design requirement, wherein：
The liquid viscose glue, which has, smears that penetration is strong, bonds the reliable characteristic of object after hot setting, by 3M265 powder
1 is pressed with acetone:The adhesive that 4 weight ratios are configured to is filled the post of；
The positioning compression tooling has, and punching superposition limiting, compacting-shaping and the adhesive solidification of load quantity are made
Meet the effect of bore area and outer surface verticality and end face flatness design requirement electric machine iron core, mainly by lower raft,
Top hold-down, limit installation are arranged on the detachable realizing middle limiting component between lower raft and top hold-down and are pacified by fixed
The adjustable compression fastening bolt that dress formula screw rod and rotatable swivel nut are formed is formed, and number is provided on demand on the lower raft
A corresponding realizing middle limiting component mounting hole of intermediate hole shape and setting position in punching and several compression fastening bolt peaces
Hole is filled, is provided on the top board and pacifies respectively with the realizing middle limiting component mounting hole on lower raft and compression fastening bolt
The corresponding limiting in dress hole, which is stretched, puts hole, in addition, intermediate in the cross sectional shape size of the realizing middle limiting component and the punching
Hole is consistent；
Technological process is as follows：
According to the geomery of interstitial hole in the shape of punching and thickness, punching and the thickness setting positioning compression work of iron core
Dress；
Prepare liquid viscose glue；
It cleans and dries punching；
Installation settings realizing middle limiting component and fixed installation formula screw rod on the lower platen of tooling, in realizing middle limiting component
On successively be nested iron core needed for load quantity punching, put on top hold-down, be inserted into rotatable swivel nut, tighten fastening bolt, make
Punching laminates thickness to the thickness range of iron core requirement, forms the preliminary sizing iron core under pressure holding limiting state；
It extracts realizing middle limiting component out from top hold-down, exposes the outer surface of preliminary sizing iron core, then tentatively shaping
Liquid viscose glue is uniformly smeared on the outer surface of iron core and intermediate hole wall；
The preliminary sizing iron core for being coated with liquid viscose glue is integrally placed in company with tooling in the baking oven that temperature control is 220-240 DEG C
Baking 80-100 minutes；
It is whole to take out tooling, uniformly smears liquid viscose glue again in core exterior surface again after cooling, then places into
Baking 80-100 minutes in the baking oven that temperature control is 220-240 DEG C；
Take out that tooling is whole, unload tooling, the adhesive for removing iron core excess surface after cooling, obtain electric machine iron core into
Product.
The method that iron core is made in motor stamping of the present invention based on above-mentioned design has as a result of a set of using punching
On interstitial hole carry out support limiting, vertical compression punching and punching compress sizing form smear in the state of preliminary iron core it is viscous
It ties agent and carries out the tooling of heating cure shapping function, and employ the specific liquid prepared, will not deformed after heating and glue
Binding agent of the glue as punching solidifying and setting enables the iron core after solidifying and setting fully to meet the fixation shape of Structural Design Requirement
Size, constant punching gap and reliable mechanical strength, not only can ensure that iron core stablize electromagnetism electric property, and due to
Punching stress uniformly, between punching combines reliably, thus can prevent the influence product qualities such as iron core cracks, punching warps and work longevity
Life and so on；In actual use, as long as the limiting that reasonably setting is mutually applicable in punching interstitial hole and other limitings
Component selects suitable compression fastening bolt, just can meet different shape, the punching of different-thickness makes the requirement of iron core.Cause
And the method for iron core is made compared with fabrication of iron core technique of the prior art in motor stamping of the invention, hence it is evident that have method
Reasonable and science, easy to operate and at low cost, product qualification rate is high, and work is widely applicable, can meet different shape, high-precision ruler
The making requirement of small weapon core, there is very strong practicability and wide market application foreground.
Specific embodiment
With reference to exemplary embodiments, the invention will be further described.
The motor stamping of the present invention uses a set of interstitial hole using in the shape of punching and punching as limiting when iron core is made
Benchmark setting have horizontal direction and vertically to it is synchronous limiting superposition punching, vertically to compression punching, sizing and cure iron core
The positioning compression tooling of function cures the adhesive for forming iron core using liquid viscose glue as punching, wherein：
The liquid viscose glue presses 1 by 3M265 powder and acetone:The adhesive that 4 weight ratios are configured to is filled the post of；
The positioning compression tooling has, and the punching of load quantity superposition limiting, compacting-shaping and being adhesively fixed are made
Meet the effect of intermediate hole surface and outer surface verticality and end face flatness design requirement iron core, mainly by lower raft, on
Portion's pressing plate, limit installation are arranged on detachable realizing middle limiting component between lower raft and top hold-down and by being fixedly mounted
Formula screw rod and rotatable swivel nut form adjustable compression fastening bolt and form, be provided on demand on the lower raft it is several with
The corresponding realizing middle limiting component mounting hole of intermediate hole shape and setting position and several compression fastening bolt mounting holes in punching,
Be provided on the top board respectively with the realizing middle limiting component mounting hole on lower raft and compression fastening bolt mounting hole
Corresponding realizing middle limiting component, which is stretched, puts hole and rotatable swivel nut insertion hole；In addition, the cross sectional shape of the realizing middle limiting structure
Size is consistent with the interstitial hole in the punching.
Claims (2)
1. a kind of method that iron core is made in motor stamping, it is characterised in that use a set of centre in the shape of punching and punching
Hole for limiting benchmark setting, have horizontal direction with vertically to it is synchronous limiting superposition punching, vertically to compress punching, sizing and admittedly
Change the positioning compression tooling of iron core function, and curing is formed the adhesive of iron core using liquid viscose glue as punching, is fabricated to bonding
Sizing is reliable, gap uniformity, stable work in work and long lifespan between punching, can ensure that and meets iron core high-precision geomery, electricity
Magnetic electric property and the high quality iron core of Mechanical Strength Design requirement, wherein：
The liquid viscose glue, which has, smears that penetration is strong, bonds the reliable characteristic of object after hot setting, by 3M265 powder and third
Ketone presses 1:The adhesive that 4 weight ratios are configured to is filled the post of；
The positioning compression tooling, which has, to be made punching superposition limiting, compacting-shaping and the adhesive solidification of load quantity and meets
The effect of bore area and outer surface verticality and end face flatness design requirement electric machine iron core, mainly by lower raft, top
Pressing plate, limit installation are arranged on detachable realizing middle limiting component between lower raft and top hold-down and by fixed installation formula
The adjustable compression fastening bolt that screw rod and rotatable swivel nut are formed is formed, be provided on demand on the lower raft it is several with
The corresponding realizing middle limiting component mounting hole of intermediate hole shape and setting position and several compression fastening bolt mounting holes in punching,
Be provided on the top board respectively with the realizing middle limiting component mounting hole on lower raft and compression fastening bolt mounting hole
Corresponding limiting, which is stretched, puts hole；
Technological process is as follows：
According to the geomery of interstitial hole in the shape of punching and thickness, punching and the thickness setting positioning compression tooling of iron core；
Prepare liquid viscose glue；
It cleans and dries punching；
On the lower platen of tooling installation settings realizing middle limiting component and be fixedly mounted formula screw rod, on realizing middle limiting component according to
The punching of load quantity, puts on top hold-down needed for secondary nestable iron core, is inserted into rotatable swivel nut, tightens fastening bolt, makes punching
Laminate thickness to the thickness range of iron core requirement, form the preliminary sizing iron core under pressure holding limiting state；
It extracts realizing middle limiting component out from top hold-down, exposes the outer surface of preliminary sizing iron core, then in tentatively sizing iron core
Outer surface and intermediate hole wall on uniformly smear liquid viscose glue；
The preliminary sizing iron core for being coated with liquid viscose glue is integrally placed in company with tooling in the baking oven that temperature control is 220-240 DEG C and is toasted
80-100 minutes；
It is whole to take out tooling, uniformly smears liquid viscose glue again in core exterior surface again after cooling, then places into temperature control
To be toasted 80-100 minutes in 220-240 DEG C of baking oven；
Tooling entirety is taken out, tooling, the adhesive for removing iron core excess surface is unloaded after cooling, obtains electric machine iron core finished product.
2. the method that iron core is made in motor stamping according to claim 1, it is characterised in that the realizing middle limiting component
Cross sectional shape size be consistent with the geomery of interstitial hole in the punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194241.XA CN108233643A (en) | 2016-12-21 | 2016-12-21 | A kind of method that iron core is made in motor stamping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194241.XA CN108233643A (en) | 2016-12-21 | 2016-12-21 | A kind of method that iron core is made in motor stamping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233643A true CN108233643A (en) | 2018-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611194241.XA Pending CN108233643A (en) | 2016-12-21 | 2016-12-21 | A kind of method that iron core is made in motor stamping |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274228A (en) * | 2018-09-28 | 2019-01-25 | 温岭市钢锋冲件有限公司 | The production technology of motor stamping |
| CN113489254A (en) * | 2021-06-29 | 2021-10-08 | 陕西航天时代导航设备有限公司 | KH-225 glue gluing process for stator punching sheet, gluing process and tool for gluing process |
-
2016
- 2016-12-21 CN CN201611194241.XA patent/CN108233643A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274228A (en) * | 2018-09-28 | 2019-01-25 | 温岭市钢锋冲件有限公司 | The production technology of motor stamping |
| CN113489254A (en) * | 2021-06-29 | 2021-10-08 | 陕西航天时代导航设备有限公司 | KH-225 glue gluing process for stator punching sheet, gluing process and tool for gluing process |
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Application publication date: 20180629 |