CN212305062U - Self-adhesion rotor core preparation frock that internal diameter is less than 40mm - Google Patents
Self-adhesion rotor core preparation frock that internal diameter is less than 40mm Download PDFInfo
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- CN212305062U CN212305062U CN202021483351.XU CN202021483351U CN212305062U CN 212305062 U CN212305062 U CN 212305062U CN 202021483351 U CN202021483351 U CN 202021483351U CN 212305062 U CN212305062 U CN 212305062U
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Abstract
The utility model discloses a self-adhesive rotor core manufacturing tool with an inner diameter smaller than 40mm, which comprises a round tool bottom plate, a tool mandrel arranged at the center of the tool bottom plate, four bolts evenly arranged at the edge of the tool bottom plate along the circumferential direction and a tool pressing plate sleeved on the tool mandrel and the bolts in a sliding way; a first through hole for the tool core shaft to pass through is formed in the center of the tool pressing plate, a plurality of jacks are uniformly formed in the tool pressing plate around the first through hole, and a groove rod is inserted into each jack; the top end of the bolt is sequentially provided with a nut, a flat washer and a rectangular spring from top to bottom. The utility model discloses utilize frock dabber and groove stick to carry out axial and radial positioning to the iron core towards the piece respectively, after the location was accomplished, screw up the nut and compress tightly the iron core towards the piece, highly guarantee pressure through the adjustment rectangle spring to produce the high accuracy and fold and press the qualified iron core of coefficient.
Description
Technical Field
The utility model relates to a rotor core preparation frock technical field, concretely relates to internal diameter is less than 40 mm's self-adhesion rotor core preparation frock.
Background
The iron core is an important component of the motor, and the quality and the production efficiency of the iron core occupy important positions in the production of the iron core; with the improvement of the processing precision of the existing mold, the self-adhesive rotor core formed in the mold is increasingly rising; usually, the clearance between the punched sheets after the self-adhesive rotor core is molded from the mold cavity is large, and the punched sheets need to be compressed and molded through a tool. At present, the tooling comprises a tooling bottom plate and a tooling pressing plate which are arranged oppositely, when the tooling is used, a rotor core is fixed between the tooling bottom plate and the tooling pressing plate, the tooling bottom plate and the tooling pressing plate are connected through bolts, and nuts on the bolts are screwed down to apply acting force to the rotor core, so that the rotor core is laminated and formed. However, the existing tool has slight mismatching in the production of the iron core, so that the precision of the manufactured iron core is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art not enough and provide a self-adhesion rotor core preparation frock that the internal diameter is less than 40mm to promote iron core preparation precision.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a self-adhesive rotor core manufacturing tool with an inner diameter smaller than 40mm comprises a circular tool bottom plate, a tool core shaft arranged at the center of the tool bottom plate, four bolts uniformly arranged at the edge of the tool bottom plate along the circumferential direction and a tool pressing plate sleeved on the tool core shaft and the bolts in a sliding manner; a first through hole for the tool core shaft to pass through is formed in the center of the tool pressing plate, a plurality of jacks are uniformly formed in the tool pressing plate around the first through hole, and a groove rod is inserted into each jack; the top end of the bolt is sequentially provided with a nut, a flat washer and a rectangular spring from top to bottom.
Furthermore, four first grooves are uniformly formed in the edge of the tool bottom plate along the circumferential direction, and are all located in the radial direction of the tool bottom plate; the bottom ends of the four bolts are respectively clamped in the corresponding first grooves.
Furthermore, four second grooves are uniformly formed in the edge of the tool pressing plate along the circumferential direction, and the four second grooves are located in the radial direction of the tool pressing plate; the middle ends of the four bolts are respectively clamped in the corresponding second grooves.
Furthermore, a second through hole is formed in the center of the tool bottom plate, and a plurality of first pin holes are uniformly formed in the periphery of the second through hole; the bottom center of the tool core shaft is provided with a threaded hole, a plurality of second pin holes are uniformly formed in the periphery of the threaded hole in a corresponding mode, and the tool core shaft is fixedly installed on the tool base plate through screws and a plurality of cylindrical pins.
Further, an iron core bottom plate is fixedly arranged on the tool bottom plate, and four equal-height columns are uniformly arranged between the iron core bottom plate and the tool pressing plate and on the outer side of the rotor iron core along the circumferential direction.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model discloses to self-adhesion silicon steel sheet, utilize frock dabber and groove stick to carry out axial and radial positioning to the iron core towards the piece respectively, after the location was accomplished, screw up the nut and compress tightly the iron core towards the piece, highly coming assurance pressure through adjustment rectangle spring to produce the high accuracy and fold and press the qualified iron core of coefficient. The utility model discloses utilize equal high post between frock bottom plate and the frock clamp plate, further guaranteed the high qualified of iron core.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. the tooling comprises a tooling mandrel, 2, a rotor core, 3, a tooling pressure plate, 4, a groove rod, 5, a cylindrical pin, 6, a screw, 7, a tooling bottom plate, 8, an equal-height column, 9, a rectangular spring, 10, a bolt, 11, a flat washer, 12, a nut, 13 and an iron core bottom plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the utility model discloses a self-adhesive rotor core manufacturing tool with an inner diameter smaller than 40mm, which comprises a round tool bottom plate 7, a tool mandrel 1 fixedly arranged at the center of the tool bottom plate 7, four bolts 10 evenly arranged at the edge of the tool bottom plate 7 along the circumferential direction, and a tool pressing plate 3 sleeved on the tool mandrel 1 and the bolts 10 in a sliding manner; a first through hole for the tool core shaft 1 to pass through is formed in the center of the tool pressing plate 3, a plurality of jacks are uniformly formed in the tool pressing plate 3 around the first through hole, and a groove rod 4 is inserted into each jack; the top end of the bolt 10 is sequentially provided with a nut 12, a flat washer 11 and a rectangular spring 9 from top to bottom.
The utility model discloses to self-adhesion silicon steel sheet, utilize frock dabber 1 and groove stick 4 to carry out axial and radial positioning to the iron core towards the piece respectively, after the location was accomplished, screw up nut 12 and compress tightly the iron core towards the piece, highly coming assurance pressure through adjustment rectangular spring 9 to produce the high accuracy and fold the qualified iron core of pressure coefficient. The utility model discloses increased rectangular spring 9, highly adjusted through to rectangular spring 9, guaranteed pressure about 3N/mm to guarantee that the iron core folds the pressure coefficient qualified.
Four first grooves are uniformly formed in the edge of the tool bottom plate 7 along the circumferential direction, and the four first grooves are located in the radial direction of the tool bottom plate 7; the bottom ends of the four bolts 10 are respectively clamped in the corresponding first grooves. Four second grooves are uniformly formed in the edge of the tool pressing plate 3 along the circumferential direction, and the four second grooves are located in the radial direction of the tool pressing plate 3; the middle ends of the four bolts 10 are respectively clamped in the corresponding second grooves. The bolt 10 is a T-shaped groove bolt, and the nut 12 is a hexagonal nut.
A second through hole is formed in the center of the tool bottom plate 7, and a plurality of first pin holes are uniformly formed in the periphery of the second through hole; the center of the bottom end of the tool core shaft 1 is provided with a threaded hole, a plurality of second pin holes are uniformly formed in the periphery of the threaded hole in a corresponding mode, and the tool core shaft 1 is fixedly installed on a tool bottom plate 7 through screws 6 and a plurality of cylindrical pins. The screw 6 is a socket head cap screw.
An iron core bottom plate 13 is fixedly arranged on the tool bottom plate 7, and four equal-height columns 8 are uniformly arranged between the iron core bottom plate 13 and the tool pressing plate 3 and on the outer side of the rotor core 2 along the circumferential direction. The utility model discloses utilize equal high post 8 between iron core bottom plate 13 and the frock clamp plate 3, further guaranteed the highly qualified of iron core.
The utility model discloses a theory of operation: (1) fixedly mounting a tooling mandrel 1 on a tooling bottom plate 7 by using a screw 6 and a cylindrical pin 5, and then axially positioning and stacking the calculated number of iron core punching sheets on an iron core bottom plate 13 through the tooling mandrel 1; (2) after the number of the iron core punching sheets is enough, the four equal-height columns 8 are firstly placed on an iron core bottom plate 13, then a tool pressing plate 3 is pressed, and then the slot rods 4 are inserted into the insertion holes to radially position the iron core; (3) after the four bolts 10 are completely arranged in the tool bottom plate 7 and the tool pressure plate 3, the top ends of the bolts 10 are provided with the rectangular spring 9 and the flat washer 11, finally the nut 12 is screwed, the height of the rectangular spring 9 is adjusted by adjusting the nut 12, and the laminating pressure of the iron core is ensured; (4) after the tool and the iron core are fixed, the iron core is placed into an oven for baking, and the iron core is manufactured after the self-adhesion stamped sheets are fully adhered together.
The utility model discloses reduce the unilateral clearance of frock dabber and groove stick, improved the frock precision, and then promoted the precision of iron core. To adopting the laser cutting piece as raw and other materials iron core towards the piece, the burr is within 0.02mm, and the frock precision is reduced to 0.02mm by original unilateral clearance 0.05mm commonly used, very big improvement the iron core precision.
It is obvious that the above embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides an internal diameter is less than 40 mm's self-adhesion rotor core preparation frock which characterized in that: the tool comprises a round tool bottom plate (7), a tool core shaft (1) arranged at the center of the tool bottom plate (7), four bolts (10) uniformly arranged at the edge of the tool bottom plate (7) along the circumferential direction, and a tool pressing plate (3) sleeved on the tool core shaft (1) and the bolts (10) in a sliding manner; a first through hole for the tool core shaft (1) to pass through is formed in the center of the tool pressing plate (3), a plurality of insertion holes are uniformly formed in the tool pressing plate (3) around the first through hole, and a groove rod (4) is inserted into each insertion hole; the top end of the bolt (10) is sequentially provided with a nut (12), a flat washer (11) and a rectangular spring (9) from top to bottom.
2. The tool for manufacturing the self-adhesive rotor core with the inner diameter smaller than 40mm according to claim 1, wherein the tool comprises: four first grooves are uniformly formed in the edge of the tool bottom plate (7) along the circumferential direction, and the four first grooves are located in the radial direction of the tool bottom plate (7); the bottom ends of the four bolts (10) are respectively clamped in the corresponding first grooves.
3. The tool for manufacturing the self-adhesive rotor core with the inner diameter smaller than 40mm according to claim 1, wherein the tool comprises: four second grooves are uniformly formed in the edge of the tool pressing plate (3) along the circumferential direction, and the four second grooves are located in the radial direction of the tool pressing plate (3); the middle ends of the four bolts (10) are respectively clamped in the corresponding second grooves.
4. The tool for manufacturing the self-adhesive rotor core with the inner diameter smaller than 40mm according to claim 1, wherein the tool comprises: a second through hole is formed in the center of the tool bottom plate (7), and a plurality of first pin holes are uniformly formed in the periphery of the second through hole; the center of the bottom end of the tool core shaft (1) is provided with a threaded hole, a plurality of second pin holes are uniformly formed in the periphery of the threaded hole in a corresponding mode, and the tool core shaft (1) is fixedly installed on the tool bottom plate (7) through screws and a plurality of cylindrical pins.
5. The tool for manufacturing the self-adhesive rotor core with the inner diameter smaller than 40mm according to claim 1, wherein the tool comprises: an iron core bottom plate (13) is fixedly arranged on the tool bottom plate (7), and four equal-height columns (8) are uniformly arranged between the iron core bottom plate (13) and the tool pressing plate (3) and on the outer side of the rotor iron core (2) along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483351.XU CN212305062U (en) | 2020-07-24 | 2020-07-24 | Self-adhesion rotor core preparation frock that internal diameter is less than 40mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483351.XU CN212305062U (en) | 2020-07-24 | 2020-07-24 | Self-adhesion rotor core preparation frock that internal diameter is less than 40mm |
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| Publication Number | Publication Date |
|---|---|
| CN212305062U true CN212305062U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021483351.XU Active CN212305062U (en) | 2020-07-24 | 2020-07-24 | Self-adhesion rotor core preparation frock that internal diameter is less than 40mm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160973A (en) * | 2021-11-09 | 2022-03-11 | 东阳市联宜机电有限公司 | Rotor core laser welding equipment |
-
2020
- 2020-07-24 CN CN202021483351.XU patent/CN212305062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160973A (en) * | 2021-11-09 | 2022-03-11 | 东阳市联宜机电有限公司 | Rotor core laser welding equipment |
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