CN213305203U - Positioning and laminating tool in stator core - Google Patents
Positioning and laminating tool in stator core Download PDFInfo
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- CN213305203U CN213305203U CN202021378406.0U CN202021378406U CN213305203U CN 213305203 U CN213305203 U CN 213305203U CN 202021378406 U CN202021378406 U CN 202021378406U CN 213305203 U CN213305203 U CN 213305203U
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Abstract
The utility model discloses an inner positioning and laminating tool for a stator core, which comprises an inner positioning cylinder, an upper pressing ring, a lower supporting plate, a support, a positioning key, a plurality of high blocks and the like, wherein the support is supported on a worktable of a laminating machine, the lower supporting plate is positioned at the upper side of the support through a pair of positioning pins, and a boss at the upper side of the lower supporting plate is embedded and fixed in the upper end of the inner positioning cylinder; two sides of the first positioning key are embedded into a first axial groove on the outer circumferential surface of the inner positioning cylinder and a straight groove of the inner hole of the stator core, or two sides of the second positioning key are embedded into a second axial groove on the outer circumferential surface of the inner positioning cylinder and an inclined groove of the inner hole of the stator core. The utility model discloses can satisfy the pressure of folding of the stator core of different model generators, thereby improve the utility model discloses a commonality reduces manufacturing cost, still is showing the pressure quality of folding that has improved stator core.
Description
Technical Field
The utility model relates to a shaping mould of generator stator, in particular to fold with stator core hole location and press forming die belongs to the motor and makes technical field.
Background
Stator punching of the generator is formed by stamping silicon steel sheets, and tens of embedded wire notches are uniformly distributed in an inner hole of the stator punching. Hundreds of stator punching sheets are aligned with the outer circle, and the laminating molding of the stator core is completed by pressurizing the laminating machine in the mode of aligning the inserted line notches of the inner holes.
The stator core of the existing generator adopts the excircle positioning of the stator core when being laminated, the bottom of the stator core is supported on a laminating machine workbench through a plurality of equal-height blocks, a pressing cap is pressed on the upper side of the stator core, a mandrel on the laminating machine workbench sequentially penetrates through an inner hole of the stator core and the center of the pressing cap, and the laminating machine completes the laminating of the stator core by applying pressure to two ends of a cross rod which penetrates through the upper end of the mandrel and maintaining the pressure for a period of time. Because a plurality of equal-height blocks can only locally apply pressure to the stator core contacted with the equal-height blocks, the stator core is unevenly pressurized, and the defect that the stator core is not compacted exists. In addition, the wire inserting notches of the inner holes of the stator core are difficult to align up and down, and the forming quality of the stator core is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stator core location is folded and is pressed frock and method, improves stator core and folds and press the quality.
The utility model discloses a following technical scheme realizes:
a stator core inner positioning and laminating tool comprises an inner positioning cylinder, an upper pressing ring, a lower supporting plate, a support, a positioning key, a plurality of equal-height blocks, wherein the support is supported on a laminating machine workbench; one side of the first positioning key is embedded into a first axial groove on the outer peripheral surface of the inner positioning barrel, and the other side of the first positioning key is embedded into a straight groove of an inner hole of the stator core; or one side of the second positioning key is embedded into a second axial groove on the outer peripheral surface of the inner positioning cylinder, and the other side of the second positioning key is embedded into an inserted line chute of an inner hole of the stator core; the inner hole of the upper pressing ring is sleeved in the inner positioning cylinder, and the inner hole of the upper pressing ring is sleeved in the inner positioning cylinder and abuts against the top surface of the stator core; a plurality of equal-height blocks are uniformly distributed between the upper side of the upper pressing ring and the pressing cap, a mandrel on a working table of the laminating machine sequentially penetrates through the support, the lower supporting plate, the inner positioning barrel, the upper pressing ring and the pressing cap, a cross rod transversely penetrates through a longitudinal groove in the upper end of the mandrel, and the lower side of the cross rod abuts against the pressing cap.
The object of the invention is further achieved by the following technical measures.
Furthermore, the end face of the first positioning key is in a left-right symmetrical convex shape, the small end of the convex shape is embedded into a first axial groove on the outer peripheral surface of the inner positioning cylinder, and the large end of the convex shape is embedded into a straight groove notch of an inner hole of the stator core; the end face of the second positioning key is in a T shape, the symmetrical central plane of the vertical end of the T shape is intersected with the symmetrical central plane of the transverse end of the T shape at an acute angle, and the inclination angle of the vertical end of the T shape is matched with the inclination angle of an embedded line chute of an inner hole of the stator core; the T-shaped transverse end is embedded into a second axial groove on the outer peripheral surface of the inner positioning cylinder, and the T-shaped vertical end is embedded into an embedded line chute of an inner hole of the stator core; the first axial slot axis and the second axial slot axis intersect at an inner positioning barrel axis.
Furthermore, the plurality of equal-height blocks are uniformly distributed between the pressing cap and the upper pressing ring and are adjacent to the upper end of the outer circumferential surface of the inner positioning cylinder; the lower ends of the equal-height blocks extend out of the studs, the upper ends of the equal-height blocks are respectively abutted against corresponding positions of the lower side surface of the pressing cap, and the studs at the lower ends of the equal-height blocks are respectively screwed into corresponding screw holes of the upper pressing ring.
Furthermore, a flange extends downwards in the axial direction of the upper pressing ring, the flange is embedded into an inner hole of the stator core pressing ring, and the bottom surface of the outer edge of the upper pressing ring abuts against the upper side of the stator core pressing ring.
Further, the support comprises an upper plate, a lower plate and a plurality of rib plates which are fixedly connected into a whole, and the plurality of rib plates are uniformly distributed between the upper plate and the lower plate; the center of the upper plate and the center of the lower plate are both provided with center holes matched with the outer diameter of the mandrel.
The utility model discloses a fold and press frock simple structure, fold and press convenient operation, interior location section of thick bamboo is as the location benchmark in stator core hole, and the location is accurate reliable. The first axial grooves and the second axial grooves with different widths are arranged on the outer peripheral surface of the inner positioning barrel, the notch corresponding to the straight slot type stator core inner hole or the chute type stator core inner hole can be positioned only by replacing the positioning keys embedded in the inner positioning barrel and the corresponding stator core embedding grooves, the consistent positions of the straight slot type stator core inner hole or the chute type stator core inner hole and the notch are ensured to be accurate, and the operation of a next line embedding process is more convenient. The utility model discloses can change the first navigation key or the second navigation key that correspond the size to the straight flute of the stator core hole of different model generators or the size of rule chute, need not make the interior location section of thick bamboo of different specifications. Only need to change high piece such as co-altitude not, can be used for highly surpassing the stator core of a location section of thick bamboo and fold and press, satisfy the stator core of different model generators fold and press to improve the utility model discloses a commonality has reduced the utility model discloses fold the manufacturing cost who presses the frock, still showing the quality of pressing of folding that has improved stator core.
The advantages and features of the invention will be illustrated and explained by the following non-restrictive description of preferred embodiments, which are given by way of example only with reference to the accompanying drawings.
Drawings
Fig. 1 is a full sectional view of the laminating tool of the present invention;
FIG. 2 is an enlarged fragmentary top plan view of the first embodiment of FIG. 1 with the cap, contour block and upper clamping ring removed and with the first detent key inserted into the first axial slot of the inner positioning sleeve and a straight slot in the inner bore of the stator core;
FIG. 3 is an enlarged fragmentary top view of the second embodiment of FIG. 1 with the cap, contour block and upper clamping ring removed and with the second locating key inserted into the second axial slot of the inner positioning sleeve and a tapered slot in the inner bore of the stator core;
FIG. 4 is a top view of the first positioning key;
FIG. 5 is a front view of a second positioning key;
fig. 6 is an enlarged plan view of fig. 5.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments of the laminated straight slot stator core.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment includes an inner positioning cylinder 1, an upper pressing ring 2, a lower supporting plate 3, a support 4, a first positioning key 5, a second positioning key 6, and 6 equal-height blocks 7, the support 4 is supported on a working table 10 of a laminating machine, the lower supporting plate 3 is positioned on the upper side of the support 4 through a pair of positioning pins 8, and the inner positioning cylinder 1 is a welded structural member and includes a cylinder 11, and an upper end cover 12 and a lower end cover 13 which are respectively embedded and welded on the upper end and the lower end of the cylinder 11. The support 4 comprises an upper plate 41, a lower plate 42 and 8 rib plates 43 which are welded and fixed into a whole, wherein the 8 rib plates are radially and uniformly distributed between the upper plate 41 and the lower plate 42, and the centers of the upper plate 41 and the lower plate 42 are respectively provided with a central hole 411 matched with the outer diameter of the mandrel 20 on the working table 10 of the laminating machine. The contact area between the support 4 and the bottom of the stator core 100 is large, the stator core 100 is uniformly pressed when being laminated, the defect that the stator core 100 is not pressed tightly can be avoided, and the laminating quality of the stator core 100 is improved. The upper pressing ring 2 extends downwards in the axial direction to form a flange 21, the flange 21 is embedded into an inner hole 104 of the stator core pressing ring, and the bottom surface of the outer edge of the upper pressing ring 2 abuts against the upper side of the stator core pressing ring 103. Such a structure allows the stator core 100 to be uniformly stressed during the lamination process.
The 6 equal-height blocks 7 are uniformly distributed between the pressing cap 30 and the upper pressing ring 2 and are adjacent to the upper end of the outer peripheral surface of the inner positioning barrel 1, the lower ends of the equal-height blocks 7 extend out of the studs 71, the upper ends of the equal-height blocks 7 are respectively abutted against corresponding positions of the lower side surface of the pressing cap 30, the studs 71 are respectively screwed into corresponding screw holes, the equal-height blocks 7 are fixed on the upper pressing ring 2, and the upper pressing ring 2 is enabled to uniformly bear the stacking pressure applied by the pressing cap 30. The mandrel 20 on the working table 10 of the laminating machine sequentially penetrates through the support 4, the lower supporting plate 3, the inner positioning barrel 1, the upper pressing ring 2 and the pressing cap 30, the cross rod 40 transversely penetrates through a longitudinal groove 201 at the upper end of the mandrel 20, and the lower side of the cross rod 40 abuts against the pressing cap 30. The lower supporting plate upper side boss 32 is embedded in the lower end cover counter bore 131, and the lower supporting plate 3 is fixed on the lower side of the inner positioning cylinder 1 through 6 fastening screws 31.
As shown in fig. 2 and 4, the end surface of the first positioning key 5 is in a left-right symmetrical convex shape, the small end 51 of the convex shape is embedded in the first axial groove 14 on the outer peripheral surface of the inner positioning cylinder 1, and the large end 52 of the convex shape is embedded in one straight groove 102 of the inner hole 101 of the stator core. The axes of the first axial groove 14 and the second axial groove 15 intersect at the axis of the inner positioning cylinder 1, and the included angle between the axes is 45 degrees in the embodiment.
Example two:
as shown in fig. 3, 5 and 6, the end face of the second positioning key 6 is T-shaped, the symmetric central plane of the T-shaped vertical end 61 and the symmetric central plane of the T-shaped transverse end 62 intersect at an acute angle, and the inclination angle of the T-shaped vertical end 61 matches with the inclination angle of the rule chute 104 of the stator core inner hole 101. The T-shaped transverse end 62 is embedded in the second axial groove 15 of the outer peripheral surface of the inner positioning cylinder 1, and the T-shaped vertical end 61 is embedded in one inclined groove 104 of the inner hole 101 of the stator core. The rest of the structure of the present embodiment is the same as that of the first embodiment.
The use process of the positioning and laminating tool in the stator core is as follows:
1) assembly stacking tool
Firstly, the inner positioning barrel 1 is turned for 180 degrees, the bottom of the inner positioning barrel is turned upwards and is inverted on a workbench, then the lower supporting plate 3 is fixed on the bottom of the inner positioning barrel 1 through 6 fastening screws 31, and then the combined body of the inner positioning barrel 1 and the lower supporting plate 3 is turned for 180 degrees again, so that the bottom surface of the lower supporting plate 3 faces downwards.
2) Positioning the laminating tool on the working table 10 of the laminating machine
Firstly, the central hole 411 of the support 4 is sleeved into the central mandrel 20 of the laminating machine workbench 10, so that the bottom surface of the support 4 is supported on the laminating machine workbench 10. The combination of the inner positioning cylinder 1 and the lower supporting plate 3 is then slipped onto the mandrel 20 and supported on the top surface of the support 4. The combined body of the inner positioning barrel 1 and the lower supporting plate 3 is rotated to align the positioning pin holes 33 of the lower supporting plate 3 with the screw holes 44 on the top surface of the support 4, and the positioning pins 8 are respectively threaded through the positioning pin holes 33 on the outer edge of the lower supporting plate 3 and screwed into the corresponding screw holes 44 on the upper side of the support 4, so that the combined body of the inner positioning barrel 1 and the lower supporting plate 3 is positioned on the support 4.
3) The stator core 100 to be laminated is arranged in the laminating tool and is positioned by the corresponding positioning key
3.1) as shown in fig. 2, an inner hole 101 of the stator core of the straight slot type to be laminated is sleeved in the inner positioning cylinder 1, and the stator core 100 is rotated to align the straight slot 102 of the stator core 100 with the first axial slot 14 on the outer peripheral surface of the inner positioning cylinder 1. Then, the convex small end 51 of the first positioning key 5 is embedded into the first axial groove 14 on the outer peripheral surface of the inner positioning cylinder 1, and the convex large end 52 is embedded into one straight groove 102 of the stator core inner hole 101, so that the stator core 100 is positioned outside the inner positioning cylinder 1.
3.2) as shown in FIG. 3, or sleeving an inner hole 101 of the skewed slot type stator core to be laminated into the inner positioning cylinder 1, and rotating the stator core 100 to align one skewed slot 104 of the skewed slot type stator core 100 with the second axial slot 15 on the outer peripheral surface of the inner positioning cylinder 1; then, the T-shaped transverse end 62 of the second positioning key 6 is embedded into the second axial groove 15 on the outer peripheral surface of the inner positioning cylinder 1, and the T-shaped vertical end 61 is embedded into one inclined groove 104 of the inner hole 101 of the stator core.
4) Installing equal-height blocks 7 and other parts and completing laminating
As shown in figure 1, the upper pressing ring 2 is sleeved at the upper end of the inner positioning cylinder 1, and the annular bottom surface of the outer edge of the upper pressing ring 2 is abutted against the upper side of the stator core pressing ring 103. And the studs 71 at the lower ends of the equal-height blocks are respectively screwed into the screw holes 22 corresponding to the upper pressing ring 2, the lower side surfaces of the pressing caps 30 are abutted against the 6 equal-height blocks 7, the cross bar 40 transversely penetrates through the straight groove 201 at the upper end of the mandrel 20, and the two ends of the lower side surfaces of the cross bar 40 are abutted against the pressing caps 30, so that the laminating machine can be started to complete laminating of the stator core 100.
In addition to the above embodiments, the present invention can also have other embodiments, and all technical solutions formed by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (5)
1. A stator core inner positioning laminating tool is characterized by comprising an inner positioning cylinder, an upper pressing ring, a lower supporting plate, a supporting seat, a positioning key, a plurality of equal-height blocks and a positioning ring, wherein the supporting seat is supported on a laminating machine workbench; one side of the first positioning key is embedded into a first axial groove on the outer peripheral surface of the inner positioning barrel, and the other side of the first positioning key is embedded into a straight groove of an inner hole of the stator core; or one side of the second positioning key is embedded into a second axial groove on the outer peripheral surface of the inner positioning cylinder, and the other side of the second positioning key is embedded into a chute of an inner hole of the stator core; the inner positioning cylinder is sleeved in the inner hole of the upper pressing ring and is abutted against the top surface of the stator core; a plurality of equal-height blocks are uniformly distributed between the upper side of the upper pressing ring and the pressing cap, a mandrel on a working table of the laminating machine sequentially penetrates through the support, the lower supporting plate, the inner positioning barrel, the upper pressing ring and the pressing cap, a cross rod transversely penetrates through a longitudinal groove in the upper end of the mandrel, and the lower side of the cross rod abuts against the pressing cap.
2. The positioning and laminating tool for the stator core according to claim 1, wherein the end face of the first positioning key is in a left-right symmetrical convex shape, the small end of the convex shape is embedded into the first axial groove on the outer peripheral surface of the inner positioning cylinder, and the large end of the convex shape is embedded into a straight groove of the inner hole of the stator core; the end face of the second positioning key is in a T shape, the symmetrical central plane of the vertical end of the T shape is intersected with the symmetrical central plane of the transverse end of the T shape at an acute angle, and the inclined angle of the vertical end of the T shape is matched with the inclined angle of the chute of the inner hole of the stator core; the T-shaped transverse end is embedded into a second axial groove on the outer peripheral surface of the inner positioning cylinder, and the T-shaped vertical end is embedded into an inclined groove of an inner hole of the stator core; the first axial slot axis and the second axial slot axis intersect at an inner positioning barrel axis.
3. The positioning and laminating tool for the stator core according to claim 1, wherein the plurality of equal-height blocks are uniformly distributed between the pressing cap and the upper pressing ring and are adjacent to the upper end of the outer circumferential surface of the inner positioning cylinder; the lower ends of the equal-height blocks extend out of the studs, the upper ends of the equal-height blocks are respectively abutted against corresponding positions of the lower side surface of the pressing cap, and the studs at the lower ends of the equal-height blocks are respectively screwed into corresponding screw holes of the upper pressing ring.
4. The positioning and laminating tool for the stator core according to claim 1, wherein a flange extends axially and downwardly from the upper pressing ring, the flange is embedded in an inner hole of the stator core pressing ring, and the bottom surface of the outer edge of the upper pressing ring abuts against the upper side of the stator core pressing ring.
5. The positioning and laminating tool for the stator core according to claim 1, wherein the support comprises an upper plate, a lower plate and a plurality of rib plates which are fixedly connected into a whole, and the plurality of rib plates are uniformly distributed between the upper plate and the lower plate; the center of the upper plate and the center of the lower plate are both provided with center holes matched with the outer diameter of the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378406.0U CN213305203U (en) | 2020-07-14 | 2020-07-14 | Positioning and laminating tool in stator core |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021378406.0U CN213305203U (en) | 2020-07-14 | 2020-07-14 | Positioning and laminating tool in stator core |
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| CN213305203U true CN213305203U (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021378406.0U Active CN213305203U (en) | 2020-07-14 | 2020-07-14 | Positioning and laminating tool in stator core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682717A (en) * | 2020-07-14 | 2020-09-18 | 镇江中船现代发电设备有限公司 | Positioning lamination tool and method in stator core |
| CN113328587A (en) * | 2021-07-07 | 2021-08-31 | 镇江中船现代发电设备有限公司 | Outer card formula stator positioning fixture |
-
2020
- 2020-07-14 CN CN202021378406.0U patent/CN213305203U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682717A (en) * | 2020-07-14 | 2020-09-18 | 镇江中船现代发电设备有限公司 | Positioning lamination tool and method in stator core |
| CN111682717B (en) * | 2020-07-14 | 2024-12-06 | 镇江中船现代发电设备有限公司 | Stator core internal positioning stacking tooling and method |
| CN113328587A (en) * | 2021-07-07 | 2021-08-31 | 镇江中船现代发电设备有限公司 | Outer card formula stator positioning fixture |
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