CN106533079A - Buckle piece lamination device of conical stator punching sheet - Google Patents
Buckle piece lamination device of conical stator punching sheet Download PDFInfo
- Publication number
- CN106533079A CN106533079A CN201611155648.1A CN201611155648A CN106533079A CN 106533079 A CN106533079 A CN 106533079A CN 201611155648 A CN201611155648 A CN 201611155648A CN 106533079 A CN106533079 A CN 106533079A
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- stator punching
- stator
- frock
- cramp
- lower outer
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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
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
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- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a buckle piece lamination device of a conical stator punching sheet. The buckle piece lamination device comprises a stator punching sheet lamination device, a leveling device and a buckle piece lamination device, wherein an expansion sleeve, lower external cone tools and a stator punching sheet fixing seat are arranged on the stator punching sheet lamination device and are in clearance fit with one another, a trapezoidal plate is fixedly arranged on the stator punching sheet fixing seat and is arranged vertically, inclined surfaces of two sides of the trapezoidal plate can be inserted into two corresponding inner grooves of each stator punching sheet, the leveling device comprises a flattening tool, an upper internal cone tool sleeves the flattening tool, the flattening tool and the upper internal cone tool can downwards press on the stator punching sheet lamination device under the push of a leveling air cylinder, the buckle piece lamination device comprises a roller capable of transversely moving and a roller air cylinder, the roller transversely mover under the driving of the roller air cylinder, and an upper end and a lower end of a buckle piece are respectively bent and are attached onto an upper surface and a lower surface of a conical stator so that the stator punching sheets forming the conical stator can be fixed together. The buckle piece lamination device has the advantages of good perpendicularity in each stator punching sheet, stack compactness, stator inner groove orderliness and high appearance cylindricality.
Description
Technical field
The invention belongs to the technical field laminated in a kind of motor stator punching, and in particular to taper stator punching cramp is folded
Pressure device.
Background technology
The internal diameter size of cone rotor threephase asynchronous stator each punching is different, therefore which laminates technique ratio
It is more special.Existing commonly used approach, has the pole of three customizations, punching is put in mould, using punching in laminated mold
The arc surface of pocket bottom is positioned with the cooperation on the face of cylinder of pole, and punching is put in mould in order, and mould is put into oil pressure
In machine, punching profile is packed tightly in the presence of mould outsourcing slide block, and punching is buckled in the presence of roller by cramp, whole operation
Complete.This mould structure method, the pole of positioning is movable, and the stator inside groove for completing is uneven, poor just as post degree outward.Stator
Height error is big near the cramp application point.
The content of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, there is provided a kind of each stator punching hangs down
Directly spend, and stacking is compact, stator inside groove is neat, outward just as the taper stator punching cramp stack-press device that post degree is good.
To realize above-mentioned technical purpose, the technical scheme that the present invention takes is：
Taper stator punching cramp stack-press device, wherein：Fill including the pressing of stator punching stack-press device, apparatus for leveling and cramp
Put, ringfeder, lower outer cone frock and the stator punching that gap between them cooperation is provided with stator punching stack-press device is fixed
Seat, stator punching fixed seat are fixed on stator punching stack-press device center, and stator punching is put from large to small successively with diameter
Put and vertically stack in stator punching fixed seat, lower outer cone frock is located at stator punching fixed seat periphery, ringfeder is located at lower outer cone
Frock periphery, ringfeder and lower outer cone frock can be slided relative to stator punching fixed seat, be provided with ringfeder cylinder, rise on ringfeder
Set cylinder can promote ringfeder to slide to lower outer cone frock, lower outer cone frock be extruded to stator punching fixed seat direction, stator punching
Be fixed with a trapezoidal plate being vertically arranged in fixed seat, the short end of trapezoidal plate upper, long end under, the inclination of the hypotenuse of trapezoidal plate
Degree is identical with the gradient of taper stator medial surface, and lower outer cone frock is also obliquely installed, and the upper end of lower outer cone frock is rushed to stator
Piece fixed seat direction inclines, and gradient is identical with the gradient of taper stator lateral surface, if the internal ring of stator punching is provided with
Dry inside groove, when stator punching is stacked in stator punching fixed seat, the both sides inclined-plane of trapezoidal plate can insert stator punching
In two corresponding inside grooves, one vertical limit convex on the inside of lower outer cone frock, is provided with, the outer shroud of stator punching is arranged
There is a limited impression, when outer cone frock presses close to stator punching fixed seat instantly, limit convex is snapped in limited impression, trapezoidal plate and limit
The convex collective effect in position, makes stator punching rotate, locating slot is provided with stator punching, and taper stator punching cramp laminates dress
Put including cramp, after several stator punchings stack to form taper stator, the locating slot on stator punching is combined into one and erects
To the cell body for extending, cramp is snapped in the vertically extending cell body, and the top and bottom of cramp are longer than taper stator, leveling
Device includes flattening support, and the bottom for flattening support is provided with stator laminating structure placement seat, and cramp press fit device is arranged on whole
The middle part of flat support, leveling frame upper are provided with pressing frock, flatten and inner cone frock is cased with outside frock, flatten frock connection
There is smooth cylinder, stator punching stack-press device can be placed on stator laminating structure placement seat, the lower surface for flattening frock is one
Plane, the upper end external diameter with diameter greater than lower outer cone frock of the inner chamber lower end of upper inner cone frock, and less than the lower end of outer cone frock
External diameter, flattens frock and upper inner cone frock can be pressed on stator punching stack-press device under the promotion of smooth cylinder, and flattens work
The upper surface of dress is pressed in taper stator upper surface, and the inner chamber of upper inner cone frock is pressed in lower outer cone frock outer surface, in upper inner cone work
During holding pressure, lower outer cone frock continues interior shifting under the extruding of inner cone frock, makes lower outer cone frock contact crush cones
The lateral surface of shape stator, the bottom of stator laminating structure placement seat are provided with lifting cylinder, and stator punching can be tied by lifting cylinder
Structure placement seat is raised at cramp press fit device, and cramp press fit device includes the roller and roller cylinder of energy transverse shifting, rolling
Wheel is traversing under the drive of roller cylinder, the top and bottom of cramp is bent respectively and is attached to the upper surface and following table of taper stator
Face, makes the stator punching of composition taper stator be fixed together.
To optimize above-mentioned technical proposal, the concrete measure taken also includes：
Above-mentioned lower outer cone frock is arranged on stator punching fixed seat week with including the radians such as four arc blocks, this four arc blocks
Enclose.
The upper corner rounding off of above-mentioned trapezoidal plate.
The stator punching of the bottom of the upper surface and taper stator of the stator punching of the top of above-mentioned taper stator
The lower surface of piece is provided with cramp end and accommodates groove, and the top and bottom of cramp are bent and are placed in corresponding cramp end and put
Receive in groove.
The quantity of above-mentioned ringfeder cylinder is four.
The taper stator punching cramp stack-press device of the present invention, mainly including ringfeder, lower outer cone frock and stator punching
Fixed seat, has trapezoidal plate in stator punching fixed seat, when making taper stator, stator punching is put in mould, every punching
Position by the beginning of trapezoidal plate, make stator punching align and put, the stator punching degree of registration after trapezoidal plate positioning is high, punching
The limited impression of outer shroud is substantially in alignment, and then cylinder promotes ringfeder movement, makes lower outer cone frock shift to stator punching, under
Limit convex in outer cone frock snaps in the limited impression of punching outer shroud, further improves the degree of registration of stator punching, and this is outer at present
Frock closely stator punching is bored, but is pressed on stator punching, cramp is put well in the locating slot of stator punching,
Start lifting cylinder, stator punching stack-press device is sent at cramp press fit device, then starts smooth cylinder, make pressing frock
Upper surface be pressed in taper stator upper surface, at this pressure, each stator punching tightly fits together, and upper inner cone frock
Inner chamber is pressed in lower outer cone frock outer surface, and the lower outer cone frock of extruding makes lower outer cone frock be adjacent to stator punching, so as to smooth stator
Perpendicularity between punching, makes each stator punching perfectly aligned.Now start roller cylinder, make roller from upper inner cone frock and
Stator punching fixed seat is stretched in gap between lower outer cone frock, and cramp top and bottom are flattened the upper surface in taper stator
And lower surface.Everything is completed under the operation of servosystem, and each parameter has memory storage, after each part processing
Concordance is very good.The taper stator of the present invention have passed through smooth for several times in forming process, and each stator punching perpendicularity is good,
And stacking is compact, stator inside groove is neat, good just as post degree outward.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of stator punching stack-press device；
Fig. 3 is the schematic diagram of stator punching；
Fig. 4 is the top view of taper stator；
Fig. 5 is the schematic diagram that stator punching is placed on stator punching stack-press device.
Reference therein is：It is stator punching stack-press device 1, ringfeder 2, ringfeder cylinder 21, lower outer cone frock 3, spacing
Convex 31, stator punching fixed seat 4, trapezoidal plate 5, stator punching 6, inside groove 61, limited impression 62, locating slot 63, cramp end are put
Receive groove 64, cramp 7, apparatus for leveling 8, leveling support 81, stator laminating structure placement seat 82, flatten frock 83, upper inner cone frock
84th, smooth cylinder 85, lifting cylinder 86, cramp press fit device 9, roller 91, roller cylinder 92.
Specific embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
The taper stator punching cramp stack-press device of the present invention, wherein：Including stator punching stack-press device 1, apparatus for leveling 8
And cramp press fit device 9, the ringfeder 2 of gap between them cooperation, lower outer cone frock are provided with stator punching stack-press device 1
3 and stator punching fixed seat 4, stator punching fixed seat 4 is fixed on 1 center of stator punching stack-press device, stator punching 6
It is placed sequentially in stator punching fixed seat 4 from large to small with diameter and is vertically stacked, lower outer cone frock 3 is fixed positioned at stator punching
Seat 4 is peripheral, and ringfeder 2 is peripheral positioned at lower outer cone frock 3, and ringfeder 2 and lower outer cone frock 3 can be relative to stator punching fixed seats 4
Slide, ringfeder cylinder 21 is installed on ringfeder 2, ringfeder cylinder 21 can promote ringfeder 2 to slide to lower outer cone frock 3, by lower outer cone work
Fill 3 to extrude to 4 direction of stator punching fixed seat, in stator punching fixed seat 4, be fixed with a trapezoidal plate 5 being vertically arranged, it is trapezoidal
Upper, under, the gradient of the hypotenuse of trapezoidal plate 5 is identical with the gradient of taper stator medial surface at long end for the short end of plate 5, lower outer
Cone frock 3 is also obliquely installed, and the upper end of lower outer cone frock 3 is inclined to 4 direction of stator punching fixed seat, and gradient is fixed with taper
The gradient of sub- lateral surface is identical, and the internal ring of stator punching 6 is provided with several inside grooves 61, when stator punching 6 is stacked on stator
When in punching fixed seat 4, the both sides inclined-plane of trapezoidal plate 5 can be inserted in two corresponding inside grooves 61 of stator punching 6, lower outer cone
The inner side of frock 3 is provided with one vertical limit convex 31, and the outer shroud of stator punching 6 is provided with a limited impression 62, instantly outer
When cone frock 3 presses close to stator punching fixed seat 4, limit convex 31 is snapped in limited impression 62,31 common work of trapezoidal plate 5 and limit convex
With, stator punching 6 is rotated, on stator punching 6, be provided with locating slot 63, taper stator punching cramp stack-press device includes
Cramp 7, after several stator punchings stack to form taper stator, the locating slot 63 on stator punching 6 is combined into one vertically
The cell body of extension, cramp 7 are snapped in the vertically extending cell body, and the top and bottom of cramp 7 are longer than taper stator, leveling
Device 8 includes flattening support 81, and the bottom for flattening support 81 is provided with stator laminating structure placement seat 82, cramp press fit device 9
The middle part of leveling support 81 is arranged on, and 81 top of leveling support is provided with pressing frock 83, to flatten and inner cone is cased with outside frock 83
Frock 84, flattens frock 83 and is connected with smooth cylinder 85, and stator punching stack-press device 1 can be placed on stator laminating structure placement seat
On 82, the lower surface for flattening frock 83 is a plane, the inner chamber lower end of upper inner cone frock 84 with diameter greater than lower outer cone frock 3
Upper end external diameter, and less than the lower end external diameter of outer cone frock 3, flatten frock 83 and upper inner cone frock 84 can pushing away in smooth cylinder 85
It is pressed on stator punching stack-press device 1 under dynamic, and flattens the upper surface of frock 83 and is pressed in taper stator upper surface, upper inner cone frock
84 inner chamber is pressed in lower 3 outer surface of outer cone frock, and during the pushing of upper inner cone frock 84, lower outer cone frock 3 is in inner cone work
Filling and move in continue under 84 extruding, make lower outer cone frock 3 contact and extrude the lateral surface of taper stator, stator laminating structure placement
The bottom of seat 82 is provided with lifting cylinder 86, and stator laminating structure placement seat 82 can be raised to cramp pressing dress by lifting cylinder 86
Put at 9, cramp press fit device 9 includes the roller 91 and roller cylinder 92 of energy transverse shifting, and roller 91 is in roller cylinder 92
It is traversing under drive, the top and bottom of cramp 7 are bent respectively and is attached to the upper and lower surface of taper stator, make composition taper
The stator punching 6 of stator is fixed together.
In embodiment, lower outer cone frock 3 is arranged on stator punching with including the radians such as four arc blocks, this four arc blocks
Around fixed seat 4.
In embodiment, the upper corner rounding off of trapezoidal plate 5.
In embodiment, the bottom of the upper surface and taper stator of the stator punching 6 of the top of taper stator is determined
The lower surface of sub- punching 6 is provided with cramp end and accommodates groove 64, and the top and bottom of cramp 7 are bent and are placed in corresponding button
Piece end is accommodated in groove 64.
In embodiment, the quantity of ringfeder cylinder 21 is four.
The using method of the taper stator punching cramp stack-press device of the present invention is as follows：By scattered stator punching 6 by straight
Footpath is descending to be sequentially placed in stator punching fixed seat 4, it is ensured that each stator punching 6 is enclosed within trapezoidal plate 5 with same angle
On, the outside of stator punching 6 is provided with limited impression 62, and the stator punching 6 being placed in stator punching fixed seat 4 will align
Limited impression 62 this labelling, after all stator punchings 6 are all put in stator punching fixed seat 4, ringfeder cylinder 21 is promoted and is risen
Set 2 is moved, and makes lower outer cone frock 3 shift to stator punching 6, and the limit convex 31 in lower outer cone frock 3 snaps in the spacing of punching outer shroud
Groove 62, this at present outer cone frock 3 still have a gap with stator punching 6, due to lower outer cone frock 3 be from four be spaced with
Arc block composition, as shown in figure 5, therefore cramp can be put into from the gap of lower outer cone frock 3 side of stator punching 6
Face, cramp upper and lower ends will grow taper stator 1cm to 1.5cm, put cramp well, open in the locating slot 63 of stator punching 6
Dynamic lifting cylinder 86,6 stack-press device 1 of stator punching is sent at cramp press fit device 9, is then started smooth cylinder 85, is made pressure
The upper surface of flat frock 83 is pressed in taper stator upper surface, and at this pressure, each stator punching 6 tightly fits together, and on
The inner chamber of inner cone frock 84 is pressed in lower 3 outer surface of outer cone frock, and the lower outer cone frock 3 of extruding makes lower outer cone frock 3 be adjacent to stator punching
Piece 6, so as to the perpendicularity between smooth stator punching 6, makes each stator punching 6 perfectly aligned.Now start roller cylinder, make rolling
Wheel stretches into 6 fixed seat 4 of stator punching from the gap between upper inner cone frock 84 and lower outer cone frock 3, by 7 upper end of cramp with
Side pressure equals the upper and lower surface in taper stator.Everything is completed under the operation of servosystem, and each parameter has
Memory storage, the concordance after each part processing are very good.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
For those of ordinary skill, some improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Scope.
Claims (5)
1. taper stator punching cramp stack-press device, is characterized in that：Including stator punching stack-press device (1), apparatus for leveling (8) with
And cramp press fit device (9), be provided with described stator punching stack-press device (1) gap between them cooperation ringfeder (2),
Lower outer cone frock (3) and stator punching fixed seat (4), described stator punching fixed seat (4) are fixed on stator punching and laminate
Device (1) center, stator punching (6) are placed sequentially in stator punching fixed seat (4) vertical heap from large to small with diameter
Folded, positioned at stator punching fixed seat (4) periphery, ringfeder (2) is positioned at lower outer cone frock (3) periphery, described for lower outer cone frock (3)
Ringfeder (2) and lower outer cone frock (3) can be slided relative to stator punching fixed seat (4), be provided with and rise on described ringfeder (2)
Set cylinder (21), described ringfeder cylinder (21) can promote ringfeder (2) to slide to lower outer cone frock (3), by lower outer cone frock (3) to
Stator punching fixed seat (4) direction extrudes, and is fixed with a trapezoidal plate being vertically arranged in described stator punching fixed seat (4)
(5), the short end of trapezoidal plate (5) is upper, long end under, the gradient of hypotenuse and the inclining for taper stator medial surface of trapezoidal plate (5)
Gradient is identical, and described lower outer cone frock (3) is also obliquely installed, and the upper end of described lower outer cone frock (3) is solid to stator punching
Reservation (4) direction inclines, and gradient is identical with the gradient of taper stator lateral surface, and the internal ring of stator punching (6) is provided with
Several inside grooves (61), when stator punching (6) is stacked in stator punching fixed seat (4), the both sides of described trapezoidal plate (5)
Inclined-plane can be inserted in two corresponding inside grooves (61) of stator punching (6), be provided with the inside of described lower outer cone frock (3)
One vertical limit convex (31), the outer shroud of described stator punching (6) are provided with a limited impression (62), when described lower outer
When cone frock (3) presses close to stator punching fixed seat (4), described limit convex (31) is snapped in limited impression (62), described ladder
Shape plate (5) and limit convex (31) collective effect, make stator punching (6) rotate, and it is fixed to be provided with described stator punching (6)
Position groove (63), described taper stator punching cramp stack-press device include cramp (7), to form cone when several stator punchings are stacked
After shape stator, the locating slot (63) on described stator punching (6) is combined into a vertically extending cell body, described cramp
(7) snap in the vertically extending cell body, and the top and bottom of cramp (7) are longer than taper stator, described apparatus for leveling
(8) including leveling support (81), the bottom of described leveling support (81) is provided with stator laminating structure placement seat (82), cramp
Press fit device (9) is arranged on the middle part of leveling support (81), and described leveling support (81) top is provided with pressing frock (83),
Inner cone frock (84) is cased with outside described pressing frock (83), described pressing frock (83) is connected with smooth cylinder (85),
Described stator punching stack-press device (1) can be placed on stator laminating structure placement seat (82), described pressing frock (83)
Lower surface be a plane, the upper end external diameter with diameter greater than lower outer cone frock (3) of the inner chamber lower end of upper inner cone frock (84), and
Less than the lower end external diameter of outer cone frock (3), described pressing frock (83) and upper inner cone frock (84) can be in smooth cylinder (85)
Promotion under be pressed on stator punching stack-press device (1), and flatten frock (83) upper surface be pressed in taper stator upper surface, institute
The inner chamber of the upper inner cone frock (84) stated is pressed in lower outer cone frock (3) outer surface, during the pushing of upper inner cone frock (84),
Lower outer cone frock (3) is moved in continuing under the extruding of inner cone frock (84), lower outer cone frock (3) is contacted and is extruded taper stator
Lateral surface, the bottom of described stator laminating structure placement seat (82) is provided with lifting cylinder (86), described lifting cylinder
(86) stator laminating structure placement seat (82) can be raised to cramp press fit device (9) place, described cramp press fit device (9) bag
The roller (91) and roller cylinder (92) of energy transverse shifting are included, described roller (91) is horizontal under the drive of roller cylinder (92)
Move, the top and bottom of cramp (7) are bent respectively and is attached to the upper and lower surface of taper stator, make composition taper stator
Stator punching (6) is fixed together.
2. taper stator punching cramp stack-press device according to claim 1, is characterized in that：Described lower outer cone frock
(3) it is arranged on including radians such as four arc blocks, this four arc blocks around stator punching fixed seat (4).
3. taper stator punching cramp stack-press device according to claim 2, is characterized in that：Described trapezoidal plate (5)
Upper corner rounding off.
4. taper stator punching cramp stack-press device according to claim 3, is characterized in that：The top of taper stator
The lower surface of the stator punching (6) of the bottom of the upper surface and taper stator of stator punching (6) is provided with cramp end
Accommodate groove (64), the top and bottom of described cramp (7) are bent and are placed in corresponding cramp end and accommodate in groove (64).
5. taper stator punching cramp stack-press device according to claim 4, is characterized in that：Described ringfeder cylinder (21)
Quantity be four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155648.1A CN106533079B (en) | 2016-12-14 | 2016-12-14 | Taper stator punching cramp stack-press device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155648.1A CN106533079B (en) | 2016-12-14 | 2016-12-14 | Taper stator punching cramp stack-press device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106533079A true CN106533079A (en) | 2017-03-22 |
| CN106533079B CN106533079B (en) | 2018-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155648.1A Active CN106533079B (en) | 2016-12-14 | 2016-12-14 | Taper stator punching cramp stack-press device |
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| CN107968534A (en) * | 2017-12-15 | 2018-04-27 | 卧龙电气集团股份有限公司 | A kind of stator laminated mold of full notch positioning |
| CN109510411A (en) * | 2018-12-29 | 2019-03-22 | 恒速控股有限公司 | Electric motor internal stator molding equipment |
| CN111725958A (en) * | 2020-07-28 | 2020-09-29 | 合肥禾松信息科技有限公司 | Motor stator lamination processing pre-tightening device |
| CN111805206A (en) * | 2020-07-17 | 2020-10-23 | 盐城海荣炉业科技有限公司 | Oil cooler assembly machine and assembly method |
| CN111953159A (en) * | 2020-08-14 | 2020-11-17 | 浙江震环数控机床股份有限公司 | Motor casing machining equipment and using method thereof |
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| CN115173648A (en) * | 2022-08-04 | 2022-10-11 | 荣成恒鑫动力科技股份有限公司 | Adjustable laminating and fastening equipment for motor punching sheet |
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| CN107968534B (en) * | 2017-12-15 | 2023-09-15 | 卧龙电气驱动集团股份有限公司 | Stator laminating die with full notch positioning function |
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| CN111805206A (en) * | 2020-07-17 | 2020-10-23 | 盐城海荣炉业科技有限公司 | Oil cooler assembly machine and assembly method |
| CN111725958A (en) * | 2020-07-28 | 2020-09-29 | 合肥禾松信息科技有限公司 | Motor stator lamination processing pre-tightening device |
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| CN115173648B (en) * | 2022-08-04 | 2022-12-13 | 荣成恒鑫动力科技股份有限公司 | Adjustable laminating and fastening equipment for motor punching sheet |
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| CN106533079B (en) | 2018-11-16 |
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Address after: 211100 Dongshan Street East Road, Jiangning District, Nanjing City, Jiangsu Province, No. 98 Applicant after: NANJING HOISTING MOTOR GENERAL FACTORY Address before: Corning road in Jiangning District of Nanjing City, Jiangsu Province, No. 268 211112 Applicant before: NANJING HOISTING MOTOR GENERAL FACTORY |
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Effective date of registration: 20220105 Address after: 241000 No. 8, Vientiane Road, Jiujiang District, Wuhu City, Anhui Province Patentee after: Anhui gold foil Electromechanical Industry Group Co.,Ltd. Address before: No.98, Dongshan Town Street East Road, Jiangning District, Nanjing City, Jiangsu Province Patentee before: NANJING HOISTING MOTOR GENERAL FACTORY |