CN104052209B - Motor stator core lamination device and method - Google Patents
Motor stator core lamination device and method Download PDFInfo
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- CN104052209B CN104052209B CN201410321086.8A CN201410321086A CN104052209B CN 104052209 B CN104052209 B CN 104052209B CN 201410321086 A CN201410321086 A CN 201410321086A CN 104052209 B CN104052209 B CN 104052209B
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- stator core
- interface board
- expansion loop
- uplink interface
- lamination
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Abstract
The invention relates to a motor stator core lamination device. The device comprises a pressing board, an expansion device and a base, wherein the expansion device and a ring-shaped stator core lamination assembly are arranged in a space between the pressing board and the base, the expansion device is arranged on the inner side relative to the stator core lamination assembly, the surface of the outer circumference of the expansion device abuts against the surface of the inner circumference of the stator core lamination assembly in a pressing mode, the pressing board makes pressure contact with the stator core lamination assembly to tightly press a ring-shaped flat board of a core, and the base is located at the bottom to play a role in supporting. The invention further relates to a lamination method using the motor stator core lamination device to perform lamination work. By means of the lamination device and the method, the technical problems that an existing stator core lamination is not tidy, the size of the outer circle and the size of the inner circle of the core change a lot, the coaxiality is poor, and the cylindricity is poor are solved well are solved, and meanwhile temperature of a hot jacket can be reduced and temperature consistency of the hot jacket can be guaranteed.
Description
Technical field
The present invention relates to a kind of motor stator core lamination device and laminating method thereof, more specifically, relate to and be a kind ofly exclusively used in the lamination device and method of improving motor stator core dimensional characteristic.
Background technology
Stator core is a vitals of motor, its Main Function is: when motor is in generating state, the magnetic induction line produced by rotor forms closed-loop path, is wrapped in the magnetic induction line that the electromagnetic wire cutting rotor in stator core teeth groove produces, thus produces induced current in electromagnetic wire; When motor is in motoring condition, when being wrapped in the electromagnetic wire energising in iron core teeth groove, iron core teeth groove responded to into magnetic pole with rotor magnetic pole attracts each other and repels, promote and inhale to draw rotor to rotate, thus rotor axial outputting power outward.
Air gap between rotor and stator forms air-gap field, and air-gap field needs as far as possible evenly.If air-gap field is uneven, then the electromagnetic noise that motor stator produces will there will be the uneven situation of acoustical power, and popular low during height when being exactly sound, the ear of people will there will be uncomfortable situation.In order to ensure the even of air-gap field, need to limit strict requirement to the size of stator core inner circle and cylindricity.
In order to realize stator core inner circle size and the cylindricity of degree of precision requirement, a lot of motor is had to adopt the technique of hot jacket at present.Motor stator is fixed on casing by this technique, then needs to heat electric machine casing, utilizes the principle of expanding with heat and contract with cold to be enclosed within housing by stator core, treats that housing cooling meat will be fixed on stator core on housing.Because housing each position wall thickness differs, after housing rising-heat contracting-cold, all sizes all can change.The deflection of the higher then housing of hot jacket temperature is larger, therefore needs the consistency strictly controlling minimum hot jacket temperature and temperature.And the magnitude of interference of the height of hot jacket temperature and temperature consistency and housing, stator core is closely bound up, the size of this magnitude of interference again with the inner circle size of stator core and the consistency of cylindricity closely related.Therefore, in order to ensure size and the cylindricity of stator core inner circle, then need precision optical machinery to process the inner circle of stator core.But current precision machined method not only cost is higher but also can affect the performance of motor, and there are metallic bur power and the residual hidden danger of iron filings.And metallic bur power and iron filings remain the risk that can cause and cause stator winding to burn, therefore need improvement prior art stator core inner circle size and the inconsistent problem of cylindricity badly.
Summary of the invention
Expansion chuck motor stator laminated device of the present invention and laminating method thereof well solve the problems referred to above, many technical problems such as better solve that prior art stator core lamination is irregular, the change in size of iron core cylindrical inner circle is large, axiality is bad and cylindricity is bad, can reduce hot jacket temperature simultaneously and ensure hot jacket temperature consistency.Its objective is and to be achieved through the following technical solutions.
Motor stator core lamination device of the present invention, comprise pressing plate, swelling device and base, swelling device and annular stator core chip module are all arranged in the space between pressing plate and base, swelling device is arranged at inner side relative to stator core chip module, the outer surface of swelling device closely compresses the inner peripheral surface of stator core chip module, pressing plate is arranged to contact with stator lamination component pressure so that the annular compressing iron core is dull and stereotyped, base is positioned at bottom and plays a supportive role, wherein swelling device is by uplink interface board, lower andante, bolt and expansion loop composition, uplink interface board is arranged to the annular slab with conical outer surface, lower andante is arranged to corresponding with uplink interface board, there is the annular slab of conical outer surface, through respectively in the annular slab plane of uplink interface board and lower andante screwed hole is set, bolt passes the screwed hole of uplink interface board and lower andante so that screw thread is movable, wherein expansion loop and uplink interface board, lower andante forms taper seat peripheral contacts respectively, expansion loop is arranged to the annular element with the conical inner peripheral surface of upper and lower two parts, the upper conical inner peripheral surface of expansion loop is corresponding with the conical outer surface of uplink interface board and contact with each other, the lower conical inner peripheral surface of expansion loop is corresponding with the conical outer surface of lower andante and contact with each other, the outer surface of expansion loop is corresponding with the inner peripheral surface of stator core chip module and compress and contact, wherein expansion loop is that two semi-circular shape plate docking form, the outer surface both sides correspondence of expansion loop arranges alignment pin, stator core slot muzzle is contained on the alignment pin of expansion loop, its center platen and base correspondence arrange multiple breach, these breach are mutually corresponding with the weld seam of stator lamination, stator core is formed to facilitate welding, wherein uplink interface board, screwed hole on lower andante all becomes corresponding between two and arranges so that carry out threaded adjusting.
The invention still further relates to a kind of motor stator core lamination method, comprise the following steps: first on base, swelling device is installed, again stator lamination is stacked in swelling device periphery, so that swelling device contacts with stator lamination component pressure to compress iron core laterally, then above stator lamination, pressing plate is placed, swelling device carries out swelling operation, swelling device outer surface closely compresses all stator lamination inner peripheral surface laterally, thus the good stator lamination of closed assembly is neatly unified, wherein swelling device is by uplink interface board, lower andante, bolt and expansion loop composition, uplink interface board is arranged to the annular slab with conical outer surface, lower andante is arranged to corresponding with uplink interface board, there is the annular slab of conical outer surface, through respectively in the annular slab plane of uplink interface board and lower andante screwed hole is set, bolt through the screwed hole of uplink interface board and lower andante so that screw thread is movable thus implement swelling operation, wherein when implementing swelling operation, expansion loop and uplink interface board, lower andante generation taper seat peripheral contacts and produce relative displacement, the upper conical inner peripheral surface of expansion loop contacts with the conical outer surface pressure of uplink interface board, the lower conical inner peripheral surface of expansion loop contacts with the conical outer surface pressure of lower andante, the outer surface of expansion loop compresses the inner peripheral surface of contact stator core chip module, wherein by two semi-circular shape plate docking are formed expansion loop, and when closed assembly stator lamination, the notch of stator core is sleeved on alignment pin that expansion loop outer surface is arranged, wherein when welding stator lamination, the weld seam breach that arrange corresponding to pressing plate and base aligns so that weld.
By above-mentioned lamination device and method, the present invention solves the defect of prior art well.Facts have proved, the stator core inner circle gone out by the technology of the present invention folding, the cylindricity of cylindrical can be controlled within 0.05mm, and axiality can ensure within 0.03mm, and stator core excircle dimension and stator core chip size are almost consistent.And this device can recycle, can disassemble very easily after welding a stator core and continue to put into production use, owing to almost there is no loss thus useful life also very long.
Accompanying drawing explanation
The preferred embodiment of the present invention can obtain clearer elaboration and explanation by accompanying drawing, need to illustrate a bit, for the ease of clear, structure of the present invention and method are shown, accompanying drawing adopts vertical view, in other words, such as Fig. 1 dextrorotation being turn 90 degrees is exactly actual job view, other sectional views are also like this, set forth in full illustrate in the noun of locality mentioned as " on ", D score, " interior ", " outward " etc. be all determine according to actual job view, the object at such conversion visual angle is in order to clear diagram to understand, wherein:
Fig. 1 is the schematic diagram that motor stator laminated device of the present invention and laminating method thereof are shown.
Fig. 2 is front view and the sectional view of the pressing plate of motor stator laminated device of the present invention.
Fig. 3 is front view and the sectional view of the expansion loop of motor stator laminated device of the present invention.
Fig. 4 is front view and the sectional view of the uplink interface board of motor stator laminated device of the present invention.
Fig. 5 is front view and the sectional view of the lower andante of motor stator laminated device of the present invention.
Fig. 6 is front view and the sectional view of the base of motor stator laminated device of the present invention.
Fig. 7 is front view after the expansion loop of motor stator laminated device of the present invention coordinates with stator lamination and sectional view.
Fig. 8 is the workpiece stator lamination of motor stator laminated device of the present invention.
Embodiment
Now 1-8 elaborates further to the present invention by reference to the accompanying drawings.As shown in Figure 1, expansion chuck motor stator laminated device of the present invention forms primarily of 6 parts, is respectively pressing plate 1, bolt 2, uplink interface board 3, expansion loop 4, lower andante 5, base 6.Uplink interface board 3, expansion loop 4, lower andante 5 are fitted together by bolt 2, and they and expansion loop 4 form swelling device jointly.As shown in Figure 2, pressing plate 1 can be contact with stator core 7 pressure so that the annular compressing iron core is dull and stereotyped, and neighboring has multiple breach 11, below in conjunction with breach 61, its function is described.With reference to Fig. 3, the sectional view on the left side illustrates that expansion loop 4 is arranged to have the annular element of the conical inner peripheral surface of upper and lower two parts and taper seat 222,232, the upper conical inner peripheral surface 222 of expansion loop 4 is corresponding with the conical outer surface 31 of uplink interface board 3 and contact with each other, and 4 times conical inner peripheral surface 232 of expansion loop are corresponding with the conical outer surface 51 of lower andante 5 and contact with each other.In Fig. 3, the front view on the right illustrates, expansion loop can be docking together by two semicircular ring 21,22.An alignment pin 211,212 can be respectively equipped with in expansion loop both sides.The notch 71,72 of the stator core 7 shown in alignment pin 211,212 and Fig. 8 is worked in coordination, and ensures the position consistency of groove between stator lamination.Can be found out by Figure 4 and 5, uplink interface board 3 is arranged to the annular slab with conical outer surface 31, and annular slab that is corresponding with uplink interface board 3, that have conical outer surface 51 is arranged to by lower andante 5.The peripheral shape of uplink interface board 3 and lower andante 5 is roughly similar to a cone through cutting the trapezoid platform formed, axial hollow is arranged to form annular cutting plane, on this cutting plane, axis is through arranges screwed hole, thus bolt 2 can pass the screwed hole of uplink interface board 3 and lower andante 5 so that screw thread is movable, this screw thread activity impels carries out swelling operation.Uplink interface board and uplink interface board can arrange 6 screwed holes as shown in the figure respectively, and the screwed hole on each plate all becomes corresponding between two and arranges so that carry out threaded adjusting, and certain screwed hole quantity needs not to be 6, also can be 2,4,8 etc.With reference to Fig. 6, corresponding with pressing plate 1, base 6 also arranges breach 61.Pressing plate 1 with base 6 arrange multiple breach 11,61, are carry out welding operation for the ease of welding gun at stator core outer surface, and namely breach 11,61 corresponds to the position of all weld seams as shown in Figure 8 75.State after the expansion loop that Fig. 7 shows motor stator laminated device of the present invention coordinates with stator lamination, namely expansion loop outer surface closely compresses all stator lamination inner peripheral surface laterally, thus the good stator lamination of closed assembly is neatly unified.
Laminating method of the present invention is described with reference to the accompanying drawings.As shown in Figure 1, the swelling device that first construction bolt 2, uplink interface board 3, expansion loop 4, lower andante 5 form on base 6; Again stator lamination 7 is stacked in swelling device periphery, so that swelling device contacts with stator lamination component pressure to compress iron core laterally; Then above stator lamination 7, pressing plate 1 is placed; Swelling device carries out swelling operation, and swelling device outer surface closely compresses all stator lamination inner peripheral surface laterally, thus the stator lamination 7 that closed assembly is good is neatly unified.The concrete operations that swelling device carries out swelling operation are as follows.When bolt 2 is tightened, uplink interface board 3 inwardly shrinks with lower andante 5 simultaneously in opposite directions, the conical outer surface 31,51 of uplink interface board 3 and lower andante 5 respectively with the conical inner peripheral surface generation of the two parts up and down on expansion loop 4 relative movement, thus promote expansion loop 4 outwards movement, make the lamination 7 outwards jam-packed that closed assembly is good, together with the inner peripheral surface of all like this stator laminations 7 and inner circle 73 fit tightly with the outer surface of expansion loop, thus ensure size and the cylindricity of stator core inner circle 73, cylindrical 74.Base 6 plays the effect of support, and pressing plate 1 plays axial for the lamination 7 the folded effect fitted tightly together.Lamination needs to weld together composition stator core, and utilize pressing plate 1 and the multiple breach 11,61 on base 6, welding gun can carry out moving up and down welding at stator core outer surface weld seam 75 place easily.
Claims (2)
1. a motor stator core lamination device, it is characterized in that, comprise pressing plate, swelling device and base, swelling device and annular stator core chip module are all arranged in the space between pressing plate and base, swelling device is arranged at inner side relative to stator core chip module, and the outer surface of swelling device closely compresses the inner peripheral surface of stator core chip module, and pressing plate is arranged to contact with stator lamination component pressure so that the annular compressing iron core is dull and stereotyped, base is positioned at bottom and plays a supportive role
Wherein swelling device is made up of uplink interface board, lower andante, bolt and expansion loop, uplink interface board is arranged to the annular slab with conical outer surface, annular slab that is corresponding with uplink interface board, that have conical outer surface is arranged to by lower andante, through respectively in the annular slab plane of uplink interface board and lower andante screwed hole is set, bolt passes the screwed hole of uplink interface board and lower andante so that screw thread is movable
Wherein expansion loop and uplink interface board, lower andante form taper seat peripheral contacts respectively, expansion loop is arranged to the annular element with the conical inner peripheral surface of upper and lower two parts, the upper conical inner peripheral surface of expansion loop is corresponding with the conical outer surface of uplink interface board and contact with each other, the lower conical inner peripheral surface of expansion loop is corresponding with the conical outer surface of lower andante and contact with each other, the outer surface of expansion loop is corresponding with the inner peripheral surface of stator core chip module and compress and contact
Wherein expansion loop is that two semi-circular shape plate docking form, and the outer surface both sides correspondence of expansion loop arranges alignment pin, and stator core slot muzzle is contained on the alignment pin of expansion loop,
Its center platen and base correspondence arrange multiple breach, and these breach are mutually corresponding with the weld seam of stator lamination, to facilitate welding to form stator core,
Screwed hole wherein on uplink interface board, lower andante all becomes corresponding between two and arranges so that carry out threaded adjusting.
2. a motor stator core lamination method, is characterized in that, comprises the following steps: first on base, install swelling device; Again stator lamination is stacked in swelling device periphery, so that swelling device contacts with stator lamination component pressure to compress iron core laterally; Then above stator lamination, pressing plate is placed; Swelling device carries out swelling operation, and swelling device outer surface closely compresses all stator lamination inner peripheral surface laterally, thus the good stator lamination of closed assembly is neatly unified,
Wherein swelling device is made up of uplink interface board, lower andante, bolt and expansion loop, uplink interface board is arranged to the annular slab with conical outer surface, annular slab that is corresponding with uplink interface board, that have conical outer surface is arranged to by lower andante, through respectively in the annular slab plane of uplink interface board and lower andante screwed hole is set, bolt through the screwed hole of uplink interface board and lower andante so that screw thread is movable thus implement swelling operation
Wherein when implementing swelling operation, expansion loop and uplink interface board, lower andante generation taper seat peripheral contacts and produce relative displacement, the upper conical inner peripheral surface of expansion loop contacts with the conical outer surface pressure of uplink interface board, the lower conical inner peripheral surface of expansion loop contacts with the conical outer surface pressure of lower andante, the outer surface of expansion loop compresses the inner peripheral surface of contact stator core chip module
Wherein by the docking of two semi-circular shape plates is formed expansion loops, and when closed assembly stator lamination, the notch of stator core is sleeved on alignment pin that expansion loop outer surface is arranged,
Wherein when welding stator lamination, the weld seam breach that arrange corresponding to pressing plate and base aligns so that weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321086.8A CN104052209B (en) | 2014-07-08 | 2014-07-08 | Motor stator core lamination device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410321086.8A CN104052209B (en) | 2014-07-08 | 2014-07-08 | Motor stator core lamination device and method |
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| Publication Number | Publication Date |
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| CN104052209A CN104052209A (en) | 2014-09-17 |
| CN104052209B true CN104052209B (en) | 2014-12-24 |
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| CN201410321086.8A Expired - Fee Related CN104052209B (en) | 2014-07-08 | 2014-07-08 | Motor stator core lamination device and method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110611405B (en) * | 2018-06-15 | 2023-12-19 | 上海新宇箴诚电控科技有限公司 | New energy motor rotor assembling movable centering system and method |
| CN109048183B (en) * | 2018-08-17 | 2020-08-07 | 安徽德科电气科技有限公司 | Automatic lamination device for stator core |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010104102A (en) * | 2008-10-21 | 2010-05-06 | Toyota Motor Corp | Manufacturing method of stator core, and manufacturing device of stator core |
| CN101860133A (en) * | 2010-04-27 | 2010-10-13 | 广东伊莱斯电机有限公司 | Processing method and device of alternating-current permanent-magnet servo motor stator |
| CN102882327A (en) * | 2012-09-20 | 2013-01-16 | 无锡法拉第电机有限公司 | Stator punching sheet overlying die and stator core prestressed overlying process |
| CN203368257U (en) * | 2013-06-08 | 2013-12-25 | 允博（天津）电机科技发展有限公司 | Two-end synchronous swelling type motor stator iron core laminating clamp |
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2014
- 2014-07-08 CN CN201410321086.8A patent/CN104052209B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010104102A (en) * | 2008-10-21 | 2010-05-06 | Toyota Motor Corp | Manufacturing method of stator core, and manufacturing device of stator core |
| CN101860133A (en) * | 2010-04-27 | 2010-10-13 | 广东伊莱斯电机有限公司 | Processing method and device of alternating-current permanent-magnet servo motor stator |
| CN102882327A (en) * | 2012-09-20 | 2013-01-16 | 无锡法拉第电机有限公司 | Stator punching sheet overlying die and stator core prestressed overlying process |
| CN203368257U (en) * | 2013-06-08 | 2013-12-25 | 允博（天津）电机科技发展有限公司 | Two-end synchronous swelling type motor stator iron core laminating clamp |
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| CN104052209A (en) | 2014-09-17 |
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