CN215897530U - Integrated shaping device for end part of motor coil - Google Patents
Integrated shaping device for end part of motor coil Download PDFInfo
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- CN215897530U CN215897530U CN202121585510.1U CN202121585510U CN215897530U CN 215897530 U CN215897530 U CN 215897530U CN 202121585510 U CN202121585510 U CN 202121585510U CN 215897530 U CN215897530 U CN 215897530U
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Abstract
The utility model discloses an integrated shaping device for the end part of a motor coil, which comprises a bottom plate, wherein a fixed expansion core is arranged on the bottom plate, an expansion piece axially moving along the axis of the fixed expansion core is arranged on the side surface of the fixed expansion core, an expansion block reset spring is arranged between the expansion piece and the bottom plate, a slot cover paper presser is arranged on the end part of the fixed expansion core, pressing teeth are arranged on the side surface of the slot cover paper presser, an outer diameter protection ring axially moving along the axis of the bottom plate is arranged on the side surface of the bottom plate, an outer diameter protection ring reset device is arranged between the outer diameter protection ring and the bottom plate, and a coil shaping groove is formed by the inner surface of the outer diameter protection ring, the inner surface of the bottom plate and the side surface of the expansion piece. The integrated shaping device for the end part of the motor coil, which is obtained by the utility model, realizes the protection of a copper wire in the shaping process, and the shaping height of the end part of the coil is adjustable, so that the assembly of a motor is convenient, the working time is reduced, the product integration level is high, and the cost is saved.
Description
Technical Field
The utility model relates to the field of motor manufacturing, in particular to an integrated shaping device for an end part of a motor coil.
Background
The stator of the motor consists of an iron core and a coil embedded on the iron core, and after the stator coil is wound, the shape of the coil positioned in the stator and the shape of the coil exposed out of the end face of the iron core are irregular, so that interference can be generated when a rotor or an end cover is installed; when the motor works, if the stator coil is asymmetric, the rotor is also subjected to adverse effects such as vibration, uneven speed and the like; in addition, when the creepage distance between the coils and the motor shell is smaller than a certain distance, the motor can be punctured, safety accidents are easy to occur in the using process of the motor, and the end parts of the coils need to be shaped after the winding of a stator coil of the motor is finished.
Some coil shaping devices only press the copper wires at the end part to shape the copper wires, but the mode not only can damage the copper wires, but also is difficult to realize the optimal size of the copper wires at the end part; some coil shaping devices only shape the end of a coil, but insulation paper in a stator is not processed, so that the insulation paper is not flat, and the assembly of a motor is influenced due to the fact that the insulation paper is not flat; still some coil shaping devices need to carry out shaping many times, so need multiple coil shaping devices, increase cost, waste man-hour, inefficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provide an integrated shaping device for the end part of a motor coil, which finishes shaping for multiple times at one time.
In order to achieve the purpose, the integrated shaping device for the end part of the motor coil comprises a bottom plate, wherein a fixed expansion core is arranged on the bottom plate, an expansion piece axially moving along the axis of the fixed expansion core is arranged on the side surface of the fixed expansion core, an expansion block reset spring is arranged between the expansion piece and the bottom plate, a slot cover paper pressing device is arranged on the end part of the fixed expansion core, pressing teeth are arranged on the side surface of the slot cover paper pressing device, an outer diameter protection ring axially moving along the axis of the bottom plate is arranged on the side surface of the bottom plate, an outer diameter protection ring reset device is arranged between the outer diameter protection ring and the bottom plate, and a coil shaping groove is formed by the inner surface of the outer diameter protection ring, the inner surface of the bottom plate and the side surface of the expansion piece.
On the hole expands the piece in order to let the more even use of piece reset spring's power, the fixed core that rises includes the fixed core that rises of first section, the fixed core that rises of second section, expand and rise the piece and include hole expansion piece, the piece reset plate that rises, the diameter of the fixed core that rises of first section is greater than the diameter of the fixed core that rises of second section, the hole expands the side that the piece set up at the fixed core that rises of first section, capping paper compactor sets up the tip at the fixed core that rises of first section, the fixed core that rises of second section sets up on the bottom plate, be equipped with the piece reset plate that rises between hole expansion piece and the piece reset spring that rises, the piece reset plate that rises mutually supports with the fixed core that rises of first section, the piece reset plate is along the axis axial motion of the fixed core that rises of first section.
In order to let the better axial motion of the piece that rises reset plate, be equipped with the piece that rises reset plate guide way on the fixed core that rises of first section, be equipped with the piece that rises reset plate guide block on the piece that rises reset plate, the piece that rises reset plate guide way and the piece that rises reset plate guide block that rises mutually support, and the piece that rises reset plate guide block is along the fixed axis axial motion of the core that rises of first section on the piece that rises reset plate guide way.
In order to enable the inner hole expansion block to move axially better, a track for the movement of the inner hole expansion block is arranged on the side surface of the first section of the fixed expansion core, and the bottom surface of the track is an inclined surface.
In order to more conveniently compress the space of the coil shaping groove and facilitate the shaping of the coil end, the inner hole expansion block sequentially comprises a first expansion block, an expansion block inclined block and a second expansion block, the side of the expansion block inclined block facing the coil shaping groove is an inclined plane, the diameter of the second expansion block is larger than that of the first expansion block, a compression tooth socket is formed between the compression teeth, and the compression tooth socket and the first expansion block form a step.
In order to prevent the expansion block reset spring from contacting with the end part of the coil, a spring groove for placing the expansion block reset spring is arranged on the bottom plate, and the diameter of the spring groove is larger than or equal to that of the expansion block reset plate.
In order to more conveniently reset the outer diameter protection ring, the outer diameter protection ring resetting device comprises an outer diameter protection ring resetting spring and a fixing bolt, and the outer diameter protection ring resetting spring is sleeved on the fixing bolt.
In order to adjust the shaping height of the coil more conveniently, a height limiting adjusting nut is further arranged between the bottom plate and the outer diameter protection ring. Through limit for height adjusting nut, the size of convenient regulation coil tip plastic.
In order to be inserted into the stator more conveniently, the pressing teeth are provided with pressing tooth inclined planes.
The integrated shaping device for the end part of the motor coil, which is obtained by the utility model, realizes the shaping of the end part copper wire, can finish the shaping effect of the coil end part which is finished by a plurality of working procedures in the prior art through one-step shaping, and the coil end part is subjected to the elastic pressure of full wrapping in the shaping process, so that the copper wire at the end part of the coil is better protected, the shaping height of the coil end part is adjustable, the height of the coil end part reaches the optimal size, the insulating paper in the stator is compressed by the through groove cover paper compressor, the subsequent assembly of the stator is facilitated, the qualification rate of the shaping of the coil end part is improved, the working hours are reduced, the productivity of the motor production is improved, and the product integration level is high.
Drawings
FIG. 1 is a sectional view of an end portion integrated shaping device of a motor coil in embodiment 1;
FIG. 2 is a sectional view of the motor coil end portion integrated shaping device in embodiment 2;
FIG. 3 is a partial exploded view of the shaping device integrated with the end of the motor coil in example 2;
FIG. 4 is an enlarged view at A of FIG. 3;
FIG. 5 is a schematic structural view of a return plate of the expanding block in embodiment 2;
FIG. 6 is a schematic structural view of an end portion integrated shaping device of a motor coil in embodiment 3;
fig. 7 is an enlarged view at B in fig. 6;
FIG. 8 is a sectional view of the motor coil end portion integrated shaping device in embodiment 3;
fig. 9 is an enlarged view at C in fig. 8;
FIG. 10 is a schematic view showing the structure of an end portion integrated shaping device of a motor coil according to embodiment 4;
FIG. 11 is a sectional view of the motor coil end portion integrated shaping device in embodiment 4;
fig. 12 is an exploded view of a part of the shaping device integrated with the end of the motor coil in example 4.
In the figure: the device comprises a fixed expansion core 1, a bottom plate 2, a slot cover paper compactor 3, an expansion piece 5, an outer diameter protection ring resetting device 4, an outer diameter protection ring 6, a coil shaping slot 7, an expansion block reset spring 8, a height limiting adjusting nut 9, a first section of fixed expansion core 10, a second section of fixed expansion core 11, a spring slot 14, a pressing tooth 30, an outer diameter protection ring reset spring 40, a fixing bolt 41, a hole expansion piece 50, an expansion block reset plate 51, a track 101, an expansion block reset plate guide slot 102, a pressing tooth slot 301, a pressing tooth inclined plane 302, a first expansion block 501, an expansion block inclined block 502, a second expansion block 503 and an expansion block reset plate guide block 510.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Example 1.
The integrated shaping device for the end of the motor coil described in this embodiment, as shown in fig. 1, includes a base plate 2, a fixed expansion core 1 is disposed on the base plate 2, an expansion member 5 axially moving along the axis of the fixed expansion core 1 is disposed on the side surface of the fixed expansion core 1, an expansion block return spring 8 is disposed between the expansion member 5 and the base plate 2, a slot cover paper presser 3 is disposed on the end portion of the fixed expansion core 1, a pressing tooth 30 is disposed on the side surface of the slot cover paper presser 3, an outer diameter protection ring 6 axially moving along the axis of the base plate 2 is disposed on the side surface of the base plate 2, an outer diameter protection ring reset device 4 is disposed between the outer diameter protection ring 6 and the base plate 2, and a coil shaping groove 7 is formed by the inner surface of the outer diameter protection ring 6, the inner surface of the base plate 2, and the side surface of the expansion member 5.
In this embodiment, the outer diameter guard ring resetting device 4 is an air cylinder.
When the end part of the motor coil is contacted with the integrated shaping device of the end part of the motor coil, the slot cover paper presser 3 penetrates through the end part of the coil, enters the internal pressing teeth 30 of the stator to press the insulating paper in the stator, the insulating paper is prevented from leaking when glue is poured in the stator in the subsequent process, the end part of the coil enters the coil shaping slot 7, the expansion piece 5 moves towards the bottom plate 2 along the side surface of the fixed expansion core 1 along with the extrusion of the end part of the coil, the outer diameter protection ring 6 also moves towards the axial direction of the bottom plate 2 along with the increase of the extrusion friction force of the end part of the coil, the expansion block return spring 8 is extruded, and the space of the coil shaping slot 7 is compressed due to the movement of the inner hole expansion block 5, so that the end part of the coil in the coil shaping slot 7 is shaped. The expanding piece 5 has the advantages that due to the existence of the expanding block return spring 8, the space of the coil whole-shaped groove 7 is slowly compressed, the compression process is smooth, so the copper wire at the end part of the coil is better protected,
when the coil end is separated from the integrated shaping device of the motor coil end, the pressing teeth 30 are separated from the inside of the stator, the expansion block return spring 8 extends to move the movable expansion piece 5 upwards along the fixed expansion core 1, so that the expansion piece 5 is reset, and the outer diameter protection ring reset device 4 resets the outer diameter protection ring 6.
The integrated shaping device of motor coil tip that this embodiment provided, stretch into the stator through compressing tightly tooth 30 inside, the realization is to the inside insulating paper extrusion of stator, and through expanding 5 space of compressing coil shaping groove 7, the realization is to the coil tip in coil shaping groove 7 carry out the plastic, the plastic effect that will originally need a plurality of processes, integrated as a process can be realized, man-hour has been practiced thrift, the cost of labor has been reduced, in the plastic process, ensured not to cause the damage to the copper line, lead to the groove cover paper collet 3 and compress tightly the inside insulating paper of stator, subsequent assembly has been made things convenient for, the productivity that improves motor production, the product integrated level is high.
Example 2.
In the motor coil end integrated shaping device described in this embodiment, as shown in fig. 2 to 5, in addition to the features of embodiment 1, in order to make the force of the expansion block return spring 8 more uniformly act on the inner hole expansion block 50, the fixed expansion core 1 includes a first section of fixed expansion core 10 and a second section of fixed expansion core 11, the expansion member 5 includes an inner hole expansion block 50 and an expansion block return plate 51, the diameter of the first section of fixed expansion core 10 is larger than that of the second section of fixed expansion core 11, the inner hole expansion block 50 is disposed on the side of the first section of fixed expansion core 10, the slot cover paper presser 3 is disposed on the end of the first section of fixed expansion core 10, the second section of fixed expansion core 11 is disposed on the base plate 2, the expansion block return plate 51 is disposed between the inner hole expansion block 50 and the expansion block return spring 8, the expansion block return plate 51 is engaged with the first section of fixed expansion core 10, the expansion block reset plate 51 moves axially along the axis of the first segment fixed expansion core 10.
In order to let the better axial motion of the expansion block reset plate 51, be equipped with the expansion block reset plate guide way 102 on the fixed core 10 that rises of first section, be equipped with the expansion block reset plate guide block 510 on the expansion block reset plate 51, the expansion block reset plate guide way 102 mutually supports with the expansion block reset plate guide block 510, and the expansion block reset plate guide block 510 is along the fixed axis axial motion of the core 10 that rises of first section on the expansion block reset plate guide way 102.
In order to make the inner hole expanding block 50 move axially better, the side surface of the first section of fixed expanding core 10 is provided with a track 101 for the inner hole expanding block 50 to move, and the bottom surface of the track 101 is an inclined surface.
In order to prevent the expansion block return spring 8 from contacting with the coil end, the bottom plate 2 is provided with a spring groove 14 for placing the expansion block return spring 8, and the diameter of the spring groove 14 is larger than or equal to that of the expansion block return plate 51.
In this embodiment, the base plate 2 is screwed with the second stage fixed expansion core 11, and the capping paper presser 3 is screwed with the end of the first stage fixed expansion core 10.
In this embodiment, the mutual action of expansion block reset spring 8 and hole expansion block 50, through expansion block reset plate 51 come indirect conduction mutual effort, it is more even to make hole expansion block 50 receive expansion block reset spring 8's power, prevent when and break away from coil end shaping, each expansion block reset spring 8 atress is inhomogeneous, thereby it is not good to lead to the effect of coil end shaping, further coil end still can block on the integrated shaping device of motor coil end, lead to the coil end to damage.
The integrated shaping device of motor coil tip that this embodiment provided, through setting up the piece reset spring that rises 8 in spring groove 14, when the piece reset spring that rises 8 is compressed, the piece reset plate 51 that rises can expand the motion of piece 50 along with the hole, enters into spring groove 14, makes the more abundant of whole groove 7 of coil and coil tip contact for the plastic effect of coil tip is better, and the atress that the piece 50 that expands is expanded to the hole is more even.
The integrated shaping device of motor coil tip that this product provided utilizes spring groove 14, prevents coil tip and the contact of the piece reset spring 8 that rises when the plastic, the effectual piece reset spring 8 that rises that has protected to in the piece reset plate 51 that rises also enters into spring groove 14 when the plastic, abundant utilization spring groove 14's space, exquisite small and exquisite, the reliability is high.
Example 3.
As shown in fig. 6 to 9, in order to more conveniently compress the space of the coil shaping groove 7 and shape the coil end, in addition to the features of embodiment 2, the inner hole expanding block 50 described in this embodiment sequentially includes a first expanding block 501, an inclined expanding block 502, and a second expanding block 503, the side of the inclined expanding block 502 facing the coil shaping groove 7 is an inclined surface, the diameter of the second expanding block 503 is greater than that of the first expanding block 501, a pressing tooth slot 301 is formed between the pressing teeth 30, and the pressing tooth slot 301 and the first expanding block 501 form a step.
For easier insertion into the stator, the pressing teeth 30 are provided with pressing tooth slopes 302.
In the embodiment, the pressing tooth inclined plane 302 is more conveniently inserted into the stator, when the pressing tooth inclined plane 302 contacts with the insulation paper in the stator, pressure is slowly applied to the insulation paper, the insulation paper is better pressed, and the insulation paper is prevented from being damaged in the pressing process of the pressing tooth 30; if the opening of the coil end is small, the pressing tooth slope 302 is also beneficial to the slot cover paper pressing device 3 to enlarge the opening of the coil end, which is beneficial to increase the contact area between the coil end and the inner hole expanding block 50 and between the coil end and the outer diameter protection ring 6, and better for shaping the coil end.
After the slot cover paper presser 3 penetrates through the coil end, the coil end is contacted with the expansion block inclined block 502, the coil end respectively drives the expansion block inclined block 502 and the outer diameter protection ring 6 to move towards the bottom plate 2, the space of the coil shaping slot 7 is compressed because the side surface of the expansion block inclined block 502 is an inclined surface until the coil end is contacted with the bottom plate 2, so that the shaping of the coil end is completed, and at the moment, the insulation paper in the stator is also pressed by the pressing teeth 30.
Example 4.
As shown in fig. 10 to 12, in addition to the features described in embodiment 3, in the motor coil end integrated shaping device described in this embodiment, in order to more conveniently reset the outer diameter protection ring 6, the outer diameter protection ring resetting device 4 includes an outer diameter protection ring resetting spring 40 and a fixing bolt 41, and the outer diameter protection ring resetting spring 40 is sleeved on the fixing bolt 41.
In order to adjust the shaping height of the coil more conveniently, a height limiting adjusting nut 9 is further arranged between the bottom plate 2 and the outer diameter protection ring 6.
In this embodiment, the height-limiting adjusting nut 9 is disposed on the bottom plate 2.
The outer diameter protection ring 6 is reset through the outer diameter protection ring reset spring 40, and the displacement distance of the outer diameter protection ring 6 can be adjusted by adjusting the height limiting adjusting nut 9, so that the distance of the coil end part entering the coil shaping groove 7 is adjusted, and the shaping size of the coil end part is adjusted.
The integrated shaping device of motor coil tip that this embodiment provided, the convenient adjustment of size of coil tip plastic, external diameter guard circle resetting means 4 and limit for height adjusting nut 9 are conveniently made, low in manufacturing cost, easy to assemble, replacement.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. An integrated shaping device for the end part of a motor coil comprises a base plate (2) and is characterized in that, the bottom plate (2) is provided with a fixed expansion core (1), the side surface of the fixed expansion core (1) is provided with an expansion piece (5) which moves along the axial direction of the fixed expansion core (1), an expansion block return spring (8) is arranged between the expansion piece (5) and the bottom plate (2), a slot cover paper presser (3) is arranged at the end part of the fixed expansion core (1), the side surface of the slot cover paper pressing device (3) is provided with pressing teeth (30), the side surface of the bottom plate (2) is provided with an outer diameter protection ring (6) which axially moves along the axis of the bottom plate (2), an outer diameter protection ring resetting device (4) is arranged between the outer diameter protection ring (6) and the bottom plate (2), and the inner surface of the outer diameter protection ring (6), the inner surface of the bottom plate (2) and the side surface of the expansion piece (5) form a coil shaping groove (7).
2. The end integrated shaping device of motor coil according to claim 1, wherein the fixed expansion core (1) comprises a first section of fixed expansion core (10) and a second section of fixed expansion core (11), the expansion member (5) comprises an inner hole expansion block (50) and an expansion block reset plate (51), the diameter of the first section of fixed expansion core (10) is larger than that of the second section of fixed expansion core (11), the inner hole expansion block (50) is arranged at the side of the first section of fixed expansion core (10), the slot cover paper pressing and tightening device (3) is arranged at the end of the first section of fixed expansion core (10), the second section of fixed expansion core (11) is arranged on the bottom plate (2), an expansion block reset plate (51) is arranged between the inner hole expansion block (50) and the expansion block reset spring (8), and the expansion block reset plate (51) is matched with the first section of fixed expansion core (10), the expansion block reset plate (51) moves axially along the axis of the first section of the fixed expansion core (10).
3. The end integrated reshaping device for the motor coil according to claim 2, wherein the first section of the fixed expansion core (10) is provided with an expansion block reset plate guide groove (102), the expansion block reset plate (51) is provided with an expansion block reset plate guide block (510), the expansion block reset plate guide groove (102) and the expansion block reset plate guide block (510) are matched with each other, and the expansion block reset plate guide block (510) axially moves on the expansion block reset plate guide groove (102) along the axis of the first section of the fixed expansion core (10).
4. The end integrated reshaping device of the motor coil according to claim 2 or 3, wherein a rail (101) for moving the inner hole expanding block (50) is arranged on the side surface of the first section of the fixed expanding core (10), and the bottom surface of the rail (101) is an inclined surface.
5. The end integrated reshaping device of the motor coil according to claim 2 or 3, wherein the inner bore expansion block (50) comprises a first expansion block (501), an expansion block inclined block (502) and a second expansion block (503) in sequence, the side of the expansion block inclined block (502) facing the coil shaping groove (7) is an inclined plane, the diameter of the second expansion block (503) is larger than that of the first expansion block (501), a pressing tooth slot (301) is formed between the pressing teeth (30), and the pressing tooth slot (301) and the first expansion block (501) form a step.
6. The end part integrated shaping device of the motor coil according to claim 2 or 3, characterized in that the bottom plate (2) is provided with a spring groove (14) for placing the expansion block return spring (8), and the diameter of the spring groove (14) is larger than or equal to that of the expansion block return plate (51).
7. The end part integrated reshaping device of the motor coil according to claim 1, 2 or 3, wherein the outer diameter protection ring resetting device (4) comprises an outer diameter protection ring resetting spring (40) and a fixing bolt (41), and the outer diameter protection ring resetting spring (40) is sleeved on the fixing bolt (41).
8. The integrated reshaping device for the end part of the motor coil as claimed in claim 1, 2 or 3, characterized in that a height-limiting adjusting nut (9) is further arranged between the base plate (2) and the outer diameter protection ring (6).
9. The motor coil end integrated shaping device according to claim 1, 2 or 3, wherein the pressing teeth (30) are provided with pressing tooth slopes (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585510.1U CN215897530U (en) | 2021-07-13 | 2021-07-13 | Integrated shaping device for end part of motor coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585510.1U CN215897530U (en) | 2021-07-13 | 2021-07-13 | Integrated shaping device for end part of motor coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897530U true CN215897530U (en) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121585510.1U Active CN215897530U (en) | 2021-07-13 | 2021-07-13 | Integrated shaping device for end part of motor coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897530U (en) |
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2021
- 2021-07-13 CN CN202121585510.1U patent/CN215897530U/en active Active
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