CN212413008U - Motor stator core folds pressure die - Google Patents
Motor stator core folds pressure die Download PDFInfo
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- CN212413008U CN212413008U CN202021396928.3U CN202021396928U CN212413008U CN 212413008 U CN212413008 U CN 212413008U CN 202021396928 U CN202021396928 U CN 202021396928U CN 212413008 U CN212413008 U CN 212413008U
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- bottom plate
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Abstract
The utility model discloses a motor stator core laminating die, which comprises a bottom plate, a plurality of jacking devices, an expanding tire, a pressing frame and a plurality of positioning supports, wherein the expanding tire is fixedly arranged on the bottom plate, the expanding tire is cylindrical, a through hole I is arranged at the center of the expanding tire, and the through hole I is coaxial with a through hole II at the center of the bottom plate; the plurality of jacking devices are fixedly arranged on the bottom plate, are uniformly distributed on the same circle, are coaxial with the through hole II, are positioned on the outer side of the expansion tire, and can laterally jack the stator core; a plurality of waist-shaped grooves are also arranged on the bottom plate; each waist-shaped groove is internally provided with a positioning support; the positioning support is used for positioning and fixing the outer circular ribs of the stator core during welding; the pressing frame is positioned above the stator core. The utility model has simple structure and convenient operation; the utility model discloses set up child and the tight device in top of expanding on the bottom plate, to stator core's excircle and interior round location respectively, improved stator core's the quality of overlying.
Description
Technical Field
The utility model relates to a mould, concretely relates to motor stator core lamination mould.
Background
The structure of a large alternating current motor stator core is mostly a fan-shaped stator core, the traditional laminating method is to adopt an inner hole of an inner circle positioning stator fan-shaped sheet of the stator fan-shaped sheet to laminate, a certain number of motor stator punching sheets are sleeved on a die body of a laminating die, and then a hydraulic mechanism is used for compressing the motor stator punching sheets. According to the stator laminating method, the motor stator punching sheet and the outer wall of the laminating die are not completely laminated, and the laminating die can enable the stator punching sheet to be laminated irregularly in the laminating process of the motor stator punching sheet, so that the laminating effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure, convenient operation can make motor stator lamination fold and press neatly, folds and presses effectual motor stator core lamination mould.
The utility model adopts the technical proposal that: a motor stator core laminating die comprises a bottom plate, a plurality of jacking devices, an expansion die, a pressing frame and a plurality of positioning supports, wherein the expansion die is fixedly arranged on the bottom plate and is cylindrical, a through hole I is formed in the center of the expansion die, a through hole II is formed in the center of the bottom plate, and the through hole I and the through hole II are coaxial; the plurality of jacking devices are fixedly arranged on the bottom plate, the plurality of jacking devices are uniformly distributed on the same circle, the circle is coaxial with the through hole II, the jacking devices are positioned on the outer side of the expansion tire, and the jacking devices can laterally jack the stator core; the bottom plate is also provided with a plurality of waist-shaped grooves, the waist-shaped grooves are arranged close to the excircle of the stator core, and the length square of each waist-shaped groove is along the radius direction of the through hole II; a positioning support is arranged in each waist-shaped groove, a positioning plate is arranged at the bottom of each positioning support, the positioning plate is arranged in the waist-shaped groove of the bottom plate, a positioning groove is arranged on the surface of the positioning support, which faces the stator core, and is in clearance fit with the rib on the excircle of the stator core, and the positioning supports are used for positioning and fixing the outer circular rib of the stator core during welding; the pressing frame is positioned above the stator core and used for pressing the stator core.
In the motor stator core laminating die, the top of the expanding die is provided with a plurality of lifting lugs, and the plurality of lifting lugs are uniformly distributed on the same circle.
In the motor stator core laminating die, the jacking device comprises a mounting seat, a bolt mounting plate and a plurality of bolts; the mounting seat is provided with a plurality of screw holes and is fixedly mounted on the bottom plate through screws; the bolt mounting plate is perpendicular to the mounting seat and is fixed on the mounting seat; the bolt mounting plate is provided with a plurality of threaded holes along the vertical square, and each threaded hole is internally provided with a bolt.
In the motor stator core laminating die, the section of the positioning plate is of a waist-shaped structure or a rectangle; the positioning plate is in clearance fit with the waist-shaped groove on the bottom plate, and the positioning plate can slide in the waist-shaped groove.
In the motor stator core laminating die, two sides of the bolt mounting plate are respectively and fixedly provided with a reinforcing plate, and the bottom of each reinforcing plate is fixedly connected with the mounting seat; the end part of the bolt is provided with a pressing block, the side surface of the pressing block facing the expanding tire is an arc-shaped surface, and the radius of the arc-shaped surface is equal to that of the excircle of the stator core.
In the lamination die for the motor stator core, the top of the reinforcing plates of the plurality of tightening devices are connected through the hoop, and the hoop is positioned outside the reinforcing plates of the tightening devices.
The utility model mainly comprises a bottom plate, an expansion tire, a pressing frame, a lifting lug, a jacking device, a hoop and a positioning support; the bottom plate is of a circular ring structure, a positioning spigot is arranged on the bottom plate and used for positioning the expanding tire on the bottom plate, the expanding tire is placed on the bottom plate, and the expanding tire is concentric with the bottom plate after being placed on the bottom plate; a through hole is formed between the expanding tire and the bottom plate and is used for penetrating through a tensioning shaft of the umbrella type oil press; the lifting lugs are uniformly distributed on the top of the expanding tire, positioning pins are arranged at the bottoms of the lifting lugs and are installed in pin holes of the expanding tire, so that a bolt can be prevented from bearing shearing force during turning over and lifting, and the lifting safety is ensured; the jacking device is uniformly installed on the bottom plate, the bolt and the pressing block are designed on the jacking device, the pressing block is pushed to radially compress the punching sheet by screwing the bolt, the punching sheet is guaranteed to be overlapped with the external circle size, the coaxial precision of the internal and external circles after the punching sheet is overlapped is guaranteed, the overlapping quality is guaranteed, the upper portion of the jacking device is provided with a spigot for installing the hoop, and the hoop is used for positioning the jacking device. The surface of the pressing block, which is contacted with the excircle of the iron core, is an arc surface, and the radius of the arc surface is equal to that of the excircle of the iron core. The bottom plate is also provided with a waist-shaped groove for installing a positioning support; the utility model discloses a stator core, including base plate, locating support, locating plate, locating support upper portion is equipped with the constant head tank, the width of constant head tank is unanimous with the muscle on the stator core, the locating support be used for the location of stator core excircle muscle and fixed when welding. The jacking device and the positioning support are arranged on the bottom plate at intervals; the upper part of the expanding tire is also provided with a pressing frame for pressing the stator iron core after the lamination is finished, and the pressing frame can be used for supporting the iron core to perform the expanding tire after being turned for 180 degrees.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure and convenient operation; the utility model discloses set up child and the tight device in top of expanding on the bottom plate, to stator core's excircle and interior round location respectively, improved stator core's the quality of overlying.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a top view of the bottom plate of the present invention.
Fig. 3 is a top view of the pressing frame of the present invention.
Fig. 4 is a top view of the positioning support of the present invention.
Fig. 5 is a front view of the positioning support.
In the figure: the stator core comprises a base plate 1, a bottom plate 2, a jacking device 3, a hoop 4, an expanding tire 5, a pressing frame 6, a lifting lug 7, a positioning support 8, a stator core 2-1, bolts 2-2, a pressing block 7-1, a positioning plate 8-1 and ribs.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a bottom plate 1, child 4 expands, presses frame 5, lug 6, a plurality of tight device 2 in top, hoop 3 and a plurality of location support 7.
The bottom plate 1 is of a circular ring structure, and a positioning spigot is arranged on the bottom plate 1 and used for positioning the expanding tire 4 on the bottom plate 1. The expanding tire 4 is arranged on the bottom plate 1, and the expanding tire 4 is of a cylindrical structure and is coaxial with the bottom plate 1. The center department of child 4 expands is equipped with through-hole I, and II coaxial through-holes of I bottom plate 1 center department of through-hole. The through hole I and the through hole II are used for penetrating through a tensioning shaft of the umbrella type oil press. The top of child 4 that expands be equipped with a plurality of lugs 6 for the child 4 that expands and stator core 8 move back the handling before the child 4 that expands, a plurality of lugs 6 evenly distributed on the same circumference at child 4 top that expands, 6 bottoms of lug are equipped with the locating pin, and the locating pin is installed in the pinhole of child 4 that expands, can prevent that the bolt from bearing the shearing force when standing up the handling.
The plurality of jacking devices 2 are uniformly arranged on the same circle on the bottom plate 1, and the circle is coaxial with the through hole II. As shown in fig. 3, the jacking device 2 comprises a mounting seat 2-3, a bolt mounting plate 2-4 and a plurality of bolts 2-1; the mounting base 2-3 is provided with a plurality of screw holes and is fixedly mounted on the bottom plate 1 through screws. The bolt mounting plate 2-4 is perpendicular to the mounting seat and is fixed on the mounting seat 2-3; two sides of the bolt mounting plate 2-4 are respectively fixedly provided with a reinforcing plate 2-5, and the bottom of the reinforcing plate 2-5 is fixedly connected with the mounting seat 2-3. The bolt mounting plate 2-4 is provided with a plurality of threaded holes along a vertical square shape, each threaded hole is internally provided with a bolt 2-1, the end part of each bolt 2-1 is provided with a pressing block 2-2, the side surface of each pressing block, facing the expansion die 4, is an arc-shaped surface, and the radius of each arc-shaped surface is equal to the radius of the excircle of the stator core 8. And rotating the bolt to enable the bolt to move along the axis of the threaded hole, so that the pressing block 2-2 can compress the outer circle of the stator core 8. The tops of the reinforcing plates of the plurality of tightening devices 2 are connected through hoops, the hoops 3 are positioned on the outer sides of the reinforcing plates of the tightening devices, and the hoops 3 are used for positioning the tightening devices 2.
As shown in fig. 2, the bottom plate 1 is further provided with a plurality of waist-shaped grooves 9, the waist-shaped grooves 9 are uniformly distributed on the same circle, the circle is coaxial with the through hole ii, and the waist-shaped grooves 9 are arranged close to the outer circle of the stator core and are located on the outer side of the stator core. The length direction of the waist-shaped groove 9 is arranged along the radius direction of the through hole II; each waist-shaped groove 9 is internally provided with a positioning support 7. As shown in fig. 4 and 5, a positioning plate 7-1 is arranged at the bottom of the positioning support 7, the positioning plate 7-1 is installed in a waist-shaped groove 9 of the bottom plate 1, and the cross section of the positioning plate is of a waist-shaped structure or a rectangle; the positioning plate is in clearance fit with the waist-shaped groove on the bottom plate, and the positioning plate can slide in the waist-shaped groove. And a positioning groove is arranged on the surface of the positioning support 7 facing the stator core, the positioning groove is in clearance fit with the rib 8-1 on the excircle of the stator core, and the positioning support 7 is used for positioning and fixing the rib 8-1 on the excircle of the stator core 8 during welding. The jacking device 2 and the positioning support 7 are arranged on the bottom plate 1 at intervals. And the pressing frame 5 is positioned above the stator core 8 and used for pressing the stator core 8 after lamination. And after the pressing frame 5 is turned for 180 degrees, the pressing frame can be used for supporting the stator core 8 to retreat the expansion tire.
The utility model discloses during the use, its operating procedure as follows:
1. the bottom plate 1 is placed in a laminating site, and the expanding tire 4 is hoisted and transported into a spigot on the bottom plate 1.
2. And (4) laminating, namely mounting a jacking device 2 and a hoop 3 after laminating the punching sheets with certain thickness.
3. And radially jacking the punching sheet by utilizing the bolt 2-1 and the pressing block 2-2 on the jacking device 2.
4. And then the lamination and the radial jacking are carried out continuously.
5. After the lamination is finished, the pressing frame 5 is lifted above the stator core 8, and the stator core 8 is pressed tightly by an umbrella type oil press.
6. And (3) removing the tightening device 2, installing the positioning support 7 and the rib 8-1, fixing the rib 8-1 by using the positioning support 7, then welding, and removing the positioning support 7 after welding.
Claims (6)
1. The utility model provides a motor stator core lamination mould which characterized by: the device comprises a bottom plate, a plurality of jacking devices, an expansion tire, a pressing frame and a plurality of positioning supports, wherein the expansion tire is fixedly arranged on the bottom plate and is cylindrical, a through hole I is formed in the center of the expansion tire, a through hole II is formed in the center of the bottom plate, and the through hole I and the through hole II are coaxial; the plurality of jacking devices are fixedly arranged on the bottom plate, the plurality of jacking devices are uniformly distributed on the same circle, the circle is coaxial with the through hole II, the jacking devices are positioned on the outer side of the expansion tire, and the jacking devices can laterally jack the stator core; the bottom plate is also provided with a plurality of waist-shaped grooves, the waist-shaped grooves are arranged close to the excircle of the stator core, and the length square of each waist-shaped groove is along the radius direction of the through hole II; a positioning support is arranged in each waist-shaped groove, a positioning plate is arranged at the bottom of each positioning support, the positioning plate is arranged in the waist-shaped groove of the bottom plate, a positioning groove is arranged on the surface of the positioning support, which faces the stator core, and is in clearance fit with the rib on the excircle of the stator core, and the positioning supports are used for positioning and fixing the outer circular rib of the stator core during welding; the pressing frame is positioned above the stator core and used for pressing the stator core.
2. The motor stator core lamination die of claim 1, wherein: the top of the expanding tire is provided with a plurality of lifting lugs which are uniformly distributed on the same circle.
3. The motor stator core lamination die of claim 1, wherein: the jacking device comprises a mounting seat, a bolt mounting plate and a plurality of bolts; the mounting seat is provided with a plurality of screw holes and is fixedly mounted on the bottom plate through screws; the bolt mounting plate is perpendicular to the mounting seat and is fixed on the mounting seat; the bolt mounting plate is provided with a plurality of threaded holes along the vertical square, and each threaded hole is internally provided with a bolt.
4. The motor stator core lamination die of claim 1, wherein: the cross section of the positioning plate is of a waist-shaped structure or a rectangle; the positioning plate is in clearance fit with the waist-shaped groove on the bottom plate, and the positioning plate can slide in the waist-shaped groove.
5. The motor stator core lamination die of claim 3, wherein: two sides of the bolt mounting plate are respectively and fixedly provided with a reinforcing plate, and the bottom of the reinforcing plate is fixedly connected with the mounting seat; the end part of the bolt is provided with a pressing block, the side surface of the pressing block facing the expanding tire is an arc-shaped surface, and the radius of the arc-shaped surface is equal to that of the excircle of the stator core.
6. The motor stator core lamination die of claim 5, wherein: the top of the reinforcing plates of the plurality of tightening devices are connected through the hoops, and the hoops are located on the outer sides of the reinforcing plates of the tightening devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396928.3U CN212413008U (en) | 2020-07-16 | 2020-07-16 | Motor stator core folds pressure die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396928.3U CN212413008U (en) | 2020-07-16 | 2020-07-16 | Motor stator core folds pressure die |
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| Publication Number | Publication Date |
|---|---|
| CN212413008U true CN212413008U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021396928.3U Active CN212413008U (en) | 2020-07-16 | 2020-07-16 | Motor stator core folds pressure die |
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| Country | Link |
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| CN (1) | CN212413008U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078781A (en) * | 2021-04-14 | 2021-07-06 | 湘潭电机股份有限公司 | Motor iron core demolding tool and demolding method |
-
2020
- 2020-07-16 CN CN202021396928.3U patent/CN212413008U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113078781A (en) * | 2021-04-14 | 2021-07-06 | 湘潭电机股份有限公司 | Motor iron core demolding tool and demolding method |
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