CN203708031U - Stator core overlying tool - Google Patents
Stator core overlying tool Download PDFInfo
- Publication number
- CN203708031U CN203708031U CN201420052239.9U CN201420052239U CN203708031U CN 203708031 U CN203708031 U CN 203708031U CN 201420052239 U CN201420052239 U CN 201420052239U CN 203708031 U CN203708031 U CN 203708031U
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- CN
- China
- Prior art keywords
- stator core
- tapered rod
- frock
- template
- mandrel portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a stator core overlying tool. The stator core overlying tool is used for overlying processing of a stator core. The stator core overlying tool comprises a bearing section for supporting a stator core, a pressing section which is arranged to be opposite to the pressing section and has an adjustable gap relative to the bearing section, and a core shaft section arranged between the bearing section and the pressing section. The stator core is arranged between the bearing section and the pressing section. The external diameter of the core shaft section is adjustable in size. The stator core sleeves the core shaft section. The stator core overlying tool can ensure no deformation of an inner hole and ensures that the coaxiality of the stator core is qualified.
Description
Technical field
The utility model relates to variable frequency motor used for compressor technical field, laminates frock in particular to a kind of stator core.
Background technology
Along with the high speed development of motor industry, the miniaturization of brushless electric machine, thin type have become the trend of motor development.At present, compressor has the features such as slotted eye is large, button is put less, wall is thin with the silicon steel sheet of frequency conversion series stator core.Using hydraulic press to laminate, and while not matching laminating tool, silicon steel sheet very easily occurs technological problems crooked, torsional deformation, its axiality cannot guarantee to meet the demands.
Utility model content
The utility model aims to provide a kind of stator core and laminates frock, occurs Internal Hole Deformation to solve stator core in prior art in lamination process, thereby causes the underproof technical problem of axiality of stator core.
To achieve these goals, according to an aspect of the present utility model, provide a kind of stator core to laminate frock, for stator core is laminated to processing, this stator core laminates frock and comprises: supporting part, supporting part support stator iron core; Press section, press section and supporting part are oppositely arranged, and adjustable with respect to supporting part spacing, and stator core is arranged between supporting part and press section; And mandrel portion, mandrel portion is arranged between supporting part and press section, and the external diameter size of mandrel portion is adjustable, and stator core is set in mandrel portion.
Further, mandrel portion comprises expanding block and is set in the tapered rod in expanding block, tapered rod is removable along the axial direction of tapered rod with respect to expanding block, expanding block comprises the radial direction movably swollen matrix of multi-disc along tapered rod, in expanding block, be formed with cone-shaped inner hole, the vertical sectional shape of tapered rod and the vertical sectional shape of cone-shaped inner hole match; Stator core is set in outside expanding block, and tapered rod drives expanding block radially expand and push stator core endoporus.
Further, supporting part comprises: the first template; Retainer plate, retainer plate is fixedly connected in the first template, and stator core is arranged on retainer plate; And ring flange, ring flange is arranged between retainer plate and the first template; The first end of mandrel portion passes the through hole on ring flange, and drives and be connected along the driving mechanism of its axial motion with driving tapered rod.
Further, press section comprises: the second template; And briquetting, briquetting is fixedly connected in the second template, and the second end of mandrel portion is set in the through hole of briquetting, and retainer plate and briquetting compress stator core; In the second template, the position corresponding with the through hole of briquetting offers the spatial accommodation that holds mandrel portion the second end.
Further, press section also comprises contiguous block, and contiguous block is arranged between the second template and briquetting, contiguous block is spirally connected and is fixed in the second template, briquetting is spirally connected and is fixed on contiguous block, and the corresponding spatial accommodation of contiguous block offers receiving opening, and receiving opening is for extending the axial distance of spatial accommodation.
Further, driving mechanism comprises: cylinder block, and cylinder block is arranged between the first template and ring flange; And cylinder, cylinder is arranged on cylinder block, and the piston actuated in cylinder is connected on the small end of tapered rod, the motion of piston actuated tapered rod.
Further, at least on the side contacting with tapered rod of the swollen matrix of a slice, offer the oil groove flowing into for lubricating oil.
Further, each swollen matrix comprises the columned cylindrical section of common formation and the common raised section that forms annular, peripheral projection, on raised section, offer the first annular groove, the first tightening ring is installed in the first annular groove, on the first end of swollen matrix, offer the second annular groove, the second tightening ring is installed in the second annular groove; In the time that tapered rod departs from swollen matrix, the first tightening ring and the second tightening ring are for shrinking the external diameter of the expanding block being made up of the swollen matrix of multi-disc.
Further, offer the first screwed hole group in each swollen matrix, swollen matrix is fixedly installed on tapered rod by the screw being screwed onto in the first screwed hole group, and swollen matrix is rotated with tapered rod.
Further, the first screwed hole group is opened on the bottom land of the first annular groove and the second annular groove.
Further, between tapered rod and every swollen matrix, be connected by flat key.
Further, be also provided with the second screwed hole group on tapered rod, the second screwed hole group and the first screwed hole group arrange along the axial direction interval of tapered rod.
Application the technical solution of the utility model, this stator core laminates frock and laminates processing for the endoporus to stator core, and this frock comprises supporting part, press section and mandrel portion.Apply this stator core and laminate frock, staff is set in stator core in mandrel portion, and utilizes supporting part and press section to compress stator core, then drives mandrel portion to move, then make mandrel portion along its radial dilatation, then the endoporus of mandrel portion extruding stator core; Because the outer surface of mandrel portion contacts with stator core, laminating frock at unlatching stator core carries out after work, when the squeezed splenium of stator core compresses, the outer wall of mandrel portion is also extruded to shape to the endoporus of stator core, make the endoporus of stator core not only keep good axiality, and can reach well the requirement of the internal diameter of product to stator core; This stator core laminates frock and has solved stator core in prior art and in lamination process, occur Internal Hole Deformation, and causes the underproof technical problem of axiality of stator core.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows stator core of the present utility model and laminates the overall structure generalized section of the embodiment of frock;
Fig. 2 shows stator core of the present utility model and laminates the composition structural representation of the expanding block of the embodiment of frock;
Fig. 3 shows the structural representation before the tapered rod of embodiment and the expanding block assembling that stator core of the present utility model laminates frock;
Fig. 4 shows the structural representation after the tapered rod of embodiment and the expanding block assembling that stator core of the present utility model laminates frock; And
Cross-sectional view after Fig. 5 shows stator core of the present utility model and laminates the tapered rod of embodiment of frock and expanding block and assembled.
Reference numeral:
1, supporting part; 2, press section; 3, mandrel portion; 10, the first template; 11, retainer plate; 14, stator core; 20, cylinder block; 21, piston; 22, ring flange; 31, briquetting; 41, swollen matrix; 421, the first tightening ring; 431, the second tightening ring; 45, the first screwed hole group; 47, oil groove; 50, tapered rod; 51, flat key; 60, the second template; 61, contiguous block.
Embodiment
Hereinafter also describe the utility model in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Fig. 1 to 5, according to embodiment of the present utility model, this stator core laminates frock for stator core 14 is laminated to processing, comprising: supporting part 1, supporting part 1 support stator iron core 14; Press section 2, press section 2 is oppositely arranged with supporting part 1, and adjustable with respect to supporting part 1 spacing, and stator core 14 is arranged between supporting part 1 and press section 2; And mandrel portion 3, mandrel portion 3 is arranged between supporting part 1 and press section 2, and the external diameter size of mandrel portion 3 is adjustable, and stator core 14 is set in mandrel portion 3.
When applying this stator core and laminating frock, staff is set in stator core 14 in mandrel portion 3, and utilize supporting part 1 and press section 2 to compress stator core 14, then drive the driving part in mandrel portion 3 to move, then drive slave unit in mandrel portion 3 along its radial dilatation by driving part in mandrel portion 3, then the endoporus of stator core 14 pushes in mandrel portion 3; Because the outer surface of the slave unit in mandrel portion 3 contacts with stator core 14, laminating frock at startup stator core carries out after work, when the squeezed splenium 2 of stator core 14 compresses, slave unit outer surface in mandrel portion 3 is also extruded to shape to the endoporus of stator core 14, make the endoporus of stator core 14 not only keep axiality, and can reach well the requirement of the internal diameter of product to stator core 14; This stator core laminates frock and has solved stator core 14 in prior art and in lamination process, occur Internal Hole Deformation, and causes the underproof technical problem of axiality of stator core 14.
Preferably, mandrel portion 3 comprises expanding block and tapered rod 50, tapered rod 50 is set in expanding block, tapered rod 50 is removable along the axial direction of tapered rod 50 with respect to expanding block, expanding block comprises the swollen matrix 41 of multi-disc, swollen matrix 41 is removable along the radial direction of tapered rod 50, is formed with cone-shaped inner hole in expanding block, and the vertical sectional shape of tapered rod 50 and the vertical sectional shape of cone-shaped inner hole match; Stator core 14 is set in outside expanding block, and tapered rod 50 drives expanding block radially to expand and push the inwall of stator core 14.Expanding block, along with tapered rod 50 moves down and radially expansion, makes the inwall of the outer wall extruding stator core 14 of expanding block, thereby makes the size of endoporus reach requirement; Then, tapered rod 50 moves up, and now expanding block shrinks gradually, and stator core 14 is taken off by staff relatively easily from expanding block.
More preferably, tapered rod 50 is six square rods with tapering, and expanding block and six square rods match, and expanding block is divided into six swollen matrix 41.The endoporus forming in expanding block is the six side's endoporus with tapering that match with six square rods, and the aperture of endoporus the first nose end is less than the aperture of endoporus the second nose end.Such set-up mode, make both contact-making surface of each swollen matrix 41 and six square rods be plane, more be conducive to the slip break-in between each swollen matrix 41 and six square rods, and simpler with respect to Surface Milling technique for the milling process of plane, and cost is cheaper; Aspect technological requirement, plane machining is also more prone to reach product requirement.
Particularly, supporting part 1 comprises the first template 10, retainer plate 11 and ring flange 22.Retainer plate 11 is fixedly connected in the first template 10, and stator core 14 is arranged on retainer plate 11; Ring flange 22 is arranged between retainer plate 11 and the first template 10; The first end of mandrel portion 3 passes the through hole on ring flange 22, and drives and be connected with driving mechanism, and driving mechanism drives tapered rod 50 along its axial motion.
In conjunction with shown in Figure 1, press section 2 comprises the second template 60 and briquetting 31 again.Briquetting 31 is fixedly connected in the second template 60, and the second end of mandrel portion 3 is set in the through hole of briquetting 31, and retainer plate 11 compresses stator core 14 with briquetting 31; In the second template 60, offered spatial accommodation, spatial accommodation can hold the second end of mandrel portion 3, and the position of offering spatial accommodation is the position corresponding with the through hole of briquetting 31.Increased after spatial accommodation, spatial accommodation will move more space will be provided to its second extreme direction to mandrel portion 3 herein, make the second end of mandrel portion 3 be not easy to collide with the second template 60, guarantee the proper motion along its axis direction of mandrel portion 3.
Further, press section 2 also comprises contiguous block 61.Contiguous block 61 is arranged between the second template 60 and briquetting 31, contiguous block 61 is spirally connected and is fixed in the second template 60, briquetting 31 is spirally connected and is fixed on contiguous block 61, the corresponding spatial accommodation of contiguous block 61 offers receiving opening, the space that receiving opening extends along the axial direction of tapered rod 50 for increasing spatial accommodation.After having set up contiguous block 61, can lengthen the length of spatial accommodation, the distance that makes like this mandrel portion 3 move along its axial direction is guaranteed, and mandrel portion 3 second ends are not more allowed to collide with the second template 60.
Preferably, driving mechanism comprises cylinder block 20 and cylinder.Cylinder block 20 is arranged between the first template 10 and ring flange 22; Cylinder is arranged on (in the present embodiment, offered the installing space that holds cylinder on cylinder block 20, cylinder is arranged in the installing space of cylinder block 20) on cylinder block 20.Piston 21 in cylinder drives and is connected on the small end of tapered rod 50, and piston 21 drives tapered rod 50 to move.This frock is used cylinder as the power source that drives tapered rod 50, economic, practical, can not only reduce the manufacturing cost of product, can meet well again the power demand of product.
For in the time that tapered rod 50 and swollen matrix 41 relatively move, sliding pair between tapered rod 50 and swollen matrix 41 is lubricated, at least on the side contacting with tapered rod 50 of the swollen matrix 41 of a slice, offer oil groove 47, oil groove 47 supplies lubricating oil to flow into and lubricates the sliding pair between tapered rod 50 and swollen matrix 41.Preferably, on the side contacting with tapered rod 50 of each swollen matrix 41, all offer the oil groove 47 flowing into for lubricating oil, like this, lubricating oil is better to the lubricant effect of the sliding pair between tapered rod 50 and swollen matrix 41, make to form more uniform lubricating oil film between the side of each swollen matrix 41 and the outer surface of tapered rod 50, arriving of the sliding pair between tapered rod 50 and swollen matrix 41 is lubricated fully.
Further, each swollen matrix 41 comprises the columned cylindrical section of common formation and the common raised section that forms annular, peripheral projection, on raised section, offer the first annular groove, the first tightening ring 421 is installed in the first annular groove, on the first end of swollen matrix 41, offer the second annular groove, the second tightening ring 431 is installed in the second annular groove; In the time that tapered rod 50 moves upward and depart from swollen matrix 41 gradually, the first tightening ring 421 and the second tightening ring 431 are for shrinking the external diameter of the expanding block being made up of the swollen matrix 41 of multi-disc; In order to realize better the function of tightening up to expanding block of the first tightening ring 421 and the second tightening ring 431, the first tightening ring 421 and the second tightening ring 431 are preferably to the flexible member that elastomeric material supports.After this frock starts, tapered rod 50 moves down, and the hydraulic press in frock drives briquetting 31 to compress stator core 14.After completing and laminating, tapered rod 50 moves up, and depart from gradually expanding block, now, expanding block tightens up under elastic reaction the first tightening ring 421 and the second tightening ring 431, expanding block radially shrinks, and is set in stator core 14 on expanding block released, and staff just can take off the stator core processing 14.
Particularly, in expanding block work after regular hour section, each swollen matrix 41 all has wearing and tearing, each swollen matrix 41 all needs again to grind, and then adjusts the external diameter of expanding block, makes the external diameter of expanding block again reach the technological requirement of processing stator core 14.In each swollen matrix 41, offer the first screwed hole group 45, swollen matrix 41 is fixedly installed on tapered rod 50 by the screw being screwed onto in the first screwed hole group 45, and swollen matrix 41 can be rotated with tapered rod 50.On tapered rod 50, be also provided with the second screwed hole group, the second screwed hole group and the first screwed hole group 45 arrange along the axial direction interval of tapered rod 50.The first screwed hole group 45 matches with the second screwed hole group, and swollen matrix 41 and tapered rod 50 is linked together with screw, thereby swollen matrix 41 is positioned on tapered rod 50.Between tapered rod 50 and each swollen matrix 41, be connected by flat key 51, realize and rotatablely moving effectively stably.After expanding block and tapered rod 50 are completed and are fixedly connected with by screw, the actuating unit of frock drives tapered rod to rotate, because expanding block and tapered rod 50 are connected to a fixed by the screw being screwed onto in the first screwed hole group 45 and the second screwed hole group, expanding block is along with tapered rod 50 rotates, now, staff just can grind the outer surface of expanding block.Because the second screwed hole group arranges along the axial direction interval of tapered rod 50, the screwed hole assembly connection of the second screwed hole group that therefore the first screwed hole group 45 on expanding block is corresponding different, the same position of expanding block has just had different radial dimension before and after adjusting, then staff grinds expanding block, makes the external diameter of expanding block reach desired size.
Preferably, the first screwed hole group 45 is opened on the bottom land of the first annular groove and the second annular groove.Because tapered rod 50 and the middle part of swollen matrix 41 are all provided with keyway, in order to avoid better the position of keyway, and prevent that the inwall of screw and stator core 14 from interfering, the first screwed hole group 45 is opened on the bottom land of the first annular groove and the second annular groove.Owing to offering the first screwed hole group 45 on the bottom land at the first annular groove and the second annular groove, the head of screw after screw is installed sinks in groove, has kept the smooth of expanding block appearance, has avoided unnecessary movement interference, simultaneously also more attractive in appearance.And, on the bottom land of the first annular groove and the second annular groove, offer the first screwed hole, the workload of its processing is returned still less, and therefore the time of processing tool part also can shorten, and is conducive to reduce cost of goods manufactured.
In embodiment of the present utility model, the first template 10 of this frock is connected to press section 2 is done on the hydraulic press that compresses motion to stator core 14, and the small end of tapered rod 50 is connected with the piston 21 in cylinder, to realize tapered rod 50 moving along its axis direction.The action of piston 21 is controlled by solenoid directional control valve, the actuating signal of solenoid directional control valve is from the upper and lower limit travel switch of hydraulic press, in the situation that guaranteeing that stator core 14 endoporus are not extended, the size of the stroke to piston 21 and cylinder internal gas pressure all will be chosen suitably.
In the utility model embodiment, frock completes and to the groundwork step of stator core 14 extrusion process axialities is:
S1, staff are placed in stator core 14 on expanding block;
The tapered rod 50 of S2, mandrel portion 3 moves down, and makes expanding block distending, the inner hole wall of the outer wall extruding stator core 14 of expanding block;
S3, after expanding block distending, hydraulic press presses down, thereby drives briquetting 31 to press to stator core 14, by originally stator core positive pressure, the pressing again because of crimp;
S4, then, hydraulic press rises, and makes briquetting depart from stator core 14, and the suffered axial compressive force of stator core 14 is cancelled, and stator core 14 is axially being relaxed;
S5, then piston 21 drives tapered rod 50 to move up, tapered rod 50 departs from expanding block gradually, expanding block shrinks external diameter under the effect of the first tightening ring 421 and the second tightening ring 431, and now the suffered radial load of stator core 14 is cancelled, and stator core 14 is radially being relaxed;
S6, after stator core 14 is loosened completely, staff just can take off the stator core processing 14 from expanding block.
Apply embodiment of the present utility model and can obtain following beneficial effect: this nail iron core laminating tool makes the endoporus of stator core not only keep good axiality, and can reach well the requirement of the internal diameter of product to stator core.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (12)
1. stator core laminates a frock, for stator core (14) is laminated to processing, it is characterized in that, comprising:
Supporting part (1), described supporting part (1) supports described stator core (14);
Press section (2), described press section (2) is oppositely arranged with described supporting part (1), and adjustable with respect to described supporting part spacing, and described stator core (14) is arranged between described supporting part (1) and described press section (2); And
Mandrel portion (3), described mandrel portion (3) is arranged between described supporting part (1) and described press section (2), and the external diameter size of described mandrel portion (3) is adjustable, and described stator core (14) is set in described mandrel portion (3).
2. stator core according to claim 1 laminates frock, it is characterized in that, described mandrel portion (3) comprises expanding block and is set in the tapered rod (50) in described expanding block, described tapered rod is removable along the axial direction of described tapered rod with respect to described expanding block, described expanding block comprises the radial direction movably swollen matrix (41) of multi-disc along described tapered rod, in described expanding block, be formed with cone-shaped inner hole, the vertical sectional shape of described tapered rod (50) and the vertical sectional shape of described cone-shaped inner hole match; Stator core (14) is set in outside described expanding block, and described tapered rod (50) drives described expanding block radially to expand and pushes described stator core endoporus.
3. stator core according to claim 2 laminates frock, it is characterized in that, described supporting part (1) comprising:
The first template (10);
Retainer plate (11), it is upper that described retainer plate (11) is fixedly connected on described the first template (10), and described stator core (14) is arranged on described retainer plate (11); And
Ring flange (22), described ring flange (22) is arranged between described retainer plate (11) and described the first template (10);
The first end of described mandrel portion (3) passes the through hole on described ring flange (22), and drives and be connected along the driving mechanism of its axial motion with driving described tapered rod (50).
4. stator core according to claim 3 laminates frock, it is characterized in that, described press section (2) comprising:
The second template (60); And
Briquetting (31), described briquetting (31) is fixedly connected in described the second template (60), the second end of described mandrel portion (3) is set in the through hole of described briquetting (31), and described retainer plate (11) compresses described stator core (14) with described briquetting (31);
The upper position corresponding with the through hole of described briquetting (31) of described the second template (60) offers the spatial accommodation that holds described mandrel portion (3) second ends.
5. stator core according to claim 4 laminates frock, it is characterized in that, described press section (2) also comprises contiguous block (61), described contiguous block (61) is arranged between described the second template (60) and described briquetting (31), described contiguous block (61) is spirally connected and is fixed in described the second template (60), described briquetting (31) is spirally connected and is fixed on described contiguous block (61), the corresponding described spatial accommodation of described contiguous block (61) offers receiving opening, and described receiving opening is for extending the axial distance of described spatial accommodation.
6. stator core according to claim 3 laminates frock, it is characterized in that, described driving mechanism comprises:
Cylinder block (20), described cylinder block (20) is arranged between described the first template (10) and described ring flange (22); And
Cylinder, it is upper that described cylinder is arranged on described cylinder block (20), and the piston (21) in described cylinder drives and is connected on the small end of described tapered rod (50), and described piston (21) drives described tapered rod (50) motion.
7. stator core according to claim 2 laminates frock, it is characterized in that, at least described in a slice, on the side contacting of swollen matrix (41), offers with described tapered rod (50) oil groove (47) flowing into for lubricating oil.
8. stator core according to claim 7 laminates frock, it is characterized in that, each described swollen matrix (41) comprises the columned cylindrical section of common formation and the common raised section that forms annular, peripheral projection, on described raised section, offer the first annular groove, the first tightening ring (421) is installed in described the first annular groove, on the first end of described swollen matrix (41), offer the second annular groove, the second tightening ring (431) is installed in described the second annular groove; In the time that described tapered rod (50) departs from described swollen matrix (41), described the first tightening ring (421) and described the second tightening ring (431) are for shrinking the external diameter by the expanding block that described in multi-disc, swollen matrix (41) forms.
9. stator core according to claim 8 laminates frock, it is characterized in that, in each described swollen matrix (41), offer the first screwed hole group (45), described swollen matrix (41) is fixedly installed on described tapered rod (50) above by the screw being screwed onto in described the first screwed hole group (45), and described swollen matrix (41) is rotated with described tapered rod (50).
10. stator core according to claim 9 laminates frock, it is characterized in that, described the first screwed hole group (45) is opened on the bottom land of described the first annular groove and the second annular groove.
11. stator cores according to claim 9 laminate frock, it is characterized in that, described tapered rod (50) with every described, between swollen matrix (41), be connected by flat key (51).
12. stator cores according to claim 11 laminate frock, it is characterized in that, on described tapered rod (50), be also provided with the second screwed hole group, described the second screwed hole group and described the first screwed hole group (45) arrange along the axial direction interval of described tapered rod (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052239.9U CN203708031U (en) | 2014-01-26 | 2014-01-26 | Stator core overlying tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052239.9U CN203708031U (en) | 2014-01-26 | 2014-01-26 | Stator core overlying tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708031U true CN203708031U (en) | 2014-07-09 |
Family
ID=51058410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420052239.9U Expired - Fee Related CN203708031U (en) | 2014-01-26 | 2014-01-26 | Stator core overlying tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708031U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333182A (en) * | 2014-10-31 | 2015-02-04 | 德清县金宇达电气有限公司 | Guide positioning device of stator pressing device |
| CN104810989A (en) * | 2014-01-26 | 2015-07-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator iron core lamination tool |
| CN114952290A (en) * | 2022-06-16 | 2022-08-30 | 中特科技工业(青岛)有限公司 | Circle checking welding device of sectional stator |
-
2014
- 2014-01-26 CN CN201420052239.9U patent/CN203708031U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810989A (en) * | 2014-01-26 | 2015-07-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator iron core lamination tool |
| CN104810989B (en) * | 2014-01-26 | 2018-02-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core laminates frock |
| CN104333182A (en) * | 2014-10-31 | 2015-02-04 | 德清县金宇达电气有限公司 | Guide positioning device of stator pressing device |
| CN104333182B (en) * | 2014-10-31 | 2017-02-01 | 德清县金宇达电气有限公司 | Guide positioning device of stator pressing device |
| CN114952290A (en) * | 2022-06-16 | 2022-08-30 | 中特科技工业(青岛)有限公司 | Circle checking welding device of sectional stator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20210126 |