CN215344325U - Homopolar permanent magnet assembling device of motor - Google Patents
Homopolar permanent magnet assembling device of motor Download PDFInfo
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- CN215344325U CN215344325U CN202121655729.4U CN202121655729U CN215344325U CN 215344325 U CN215344325 U CN 215344325U CN 202121655729 U CN202121655729 U CN 202121655729U CN 215344325 U CN215344325 U CN 215344325U
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- permanent magnet
- die holder
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- assembly device
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Abstract
The utility model discloses a homopolar permanent magnet assembly device of a motor, and belongs to the technical field of generators. The assembling device comprises a die holder, a first pressing device and a second pressing device, a cavity is formed in the die holder and used for placing a plurality of permanent magnet single bodies to be assembled, the first pressing device penetrates through the top surface of the die holder and abuts against the tops of the permanent magnet single bodies and is used for providing pressure applied in the vertical direction of the permanent magnets, and the second pressing device penetrates through the side surface of the die holder and abuts against the side surface of the permanent magnet single body on the outermost side and is used for providing pressure applied in the horizontal direction of the permanent magnets. The assembling device can solve the technical problems that homopolar permanent magnet monomers in the prior art are repelled when being assembled to generate strong collision and seriously affect the performance of products.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor homopolar permanent magnet assembling device which is used for assembling motor homopolar permanent magnets.
Background
The permanent magnet is a main component of the permanent magnet motor rotor, and in order to facilitate assembly and reduce cost, the rotor is generally assembled by magnetizing a plurality of permanent magnet monomers and then assembling. However, in the process of assembling a plurality of permanent magnet units, a phenomenon that a single group of homopolar permanent magnets repel each other often occurs, so that strong collision and impact occur between the permanent magnet units, the permanent magnets are damaged, even directly scrapped, and the performance of a motor product is seriously affected. Meanwhile, inconvenience is brought to the production and assembly processes, and the production efficiency is affected. Therefore, a special device is needed to assemble the permanent magnet single bodies, so that the collision among the permanent magnet single bodies can be guaranteed to be reduced, the safety of the assembling process is improved, and the production efficiency is improved.
Chinese utility model patent CN200920108359.5 discloses an assembly device of permanent magnet comprises fixed bolster, pivot, slider and lead screw assembly, and the pivot is located the one end of fixed bolster, and the lead screw assembly is installed on the fixed bolster through the pivot, and can revolute the rotation of axes, and the sliding sleeve is on the lead screw assembly, and the lead screw assembly can drive the slider and slide. Although the assembly device adopts a double-rod structure of the screw rod and the slide rod, the slide of the slide block is more stable, and the double buffer pads are additionally arranged at the inner side of the slide block and between the slide block and the screw sleeve, so that the impact force of the magnet in the assembly process is reduced to the minimum, the probability of mutual impact and turning-up between homopolar permanent magnets is still very high, the impact force is only relieved, and the turning-up problem is not fundamentally solved. Moreover, the assembly device is generally suitable for permanent magnets with larger unit size, and no suitable assembly device exists at present for permanent magnet units with smaller size.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects and provide an assembling device for assembling homopolar permanent magnets of a motor, so as to solve the technical problems that homopolar permanent magnet monomers repel each other during assembling to generate strong collision and seriously affect the product performance in the prior art.
In order to achieve the technical purpose, the technical scheme of the utility model provides an assembly device for homopolar permanent magnets of a motor, which comprises a die holder, a first pressing device and a second pressing device, wherein the die holder is provided with a first pressing surface and a second pressing surface;
a cavity is arranged in the die holder, a group of opposite ends of the cavity respectively extend to a group of opposite sides of the die holder, a plurality of permanent magnet monomers to be assembled are arranged in the cavity in a left-right mode, and the shape of the cavity is matched with the shape of a permanent magnet which is contained in the cavity and consists of the permanent magnet monomers;
the first pressing device penetrates through the top surface of the die holder and abuts against the tops of the permanent magnet single bodies, and is used for providing pressure applied to the permanent magnet in the vertical direction;
the second pressing device penetrates through the side face of the die holder and abuts against the side face of the permanent magnet single body on the outermost side, and is used for providing pressure applied to the permanent magnet in the horizontal direction.
In the above technical solution, the cavity is preferably a sector structure, the bottom side of the sector structure is a short arc side, and the top side of the sector structure is a long arc side.
In the technical scheme, a plurality of arc array grooves are formed in the short arc edge of the fan-shaped structure along the length direction of the short arc edge, and the notch of each arc array groove is aligned to the contact surface of each permanent magnet.
In the technical scheme, the first pressing device comprises a pressing block and at least two first pressing pieces, the pressing block abuts against the top of the permanent magnet, the two pressing pieces are fixedly connected to the top surface of the pressing block at intervals, and the contact surface of the pressing block, which abuts against the permanent magnet, is matched with the shape of the top surface of the permanent magnet.
In the above technical solution, the second pressing device includes at least two second pressing members, and the two second pressing members are abutted against one side surface of the permanent magnet.
In the above technical solution, the first pressing member is preferably a bolt, and is connected to the die holder through a first threaded hole provided in the die holder.
In the above technical solution, the second pressing member is preferably a bolt, and is connected to the die holder through a second threaded hole provided in the die holder.
In the above technical scheme, the die holder is preferably of a box type structure and made of a nonmagnetic material.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a homopolar permanent magnet assembling device of a motor, which is characterized in that when a plurality of permanent magnet monomers are assembled, a first permanent magnet monomer is placed into a cavity of a die holder, a first pressing device applies pressure in the vertical direction to the permanent magnet monomer, and a second pressing device applies pressure in the horizontal direction to the permanent magnet monomer, so that the top and the side of the first permanent magnet monomer are pressed tightly, then a second permanent magnet monomer is coated with glue and then is tightly attached to the first permanent magnet monomer to be shuttled into the cavity, when the second permanent magnet monomer is assembled with the first permanent magnet monomer, the first pressing device and the second pressing device can respectively press the first permanent magnet monomer in the vertical direction and the horizontal direction, the possible collision between the second permanent magnet monomer and the first permanent magnet monomer is avoided, and the like, when the plurality of homopolar permanent magnet monomers are assembled, the first pressing device can be used for applying pressure to the top of the permanent magnet monomer and the second pressing device can be used for applying pressure to the top of the permanent magnet monomer The side of the permanent magnet unit is pressed, so that the permanent magnet unit is not turned up when being assembled, collision of a plurality of homopolar permanent magnet units due to repulsion is avoided, and the product percent of pass is improved.
Drawings
FIG. 1 is a front view of the homopolar permanent magnet assembly of the motor of the present invention;
FIG. 2 is a top view of the homopolar permanent magnet assembly of the motor of the present invention;
fig. 3 is a left side view of the homopolar permanent magnet assembly of the motor of the present invention.
Shown in the figure:
1-a die holder, 11-a first threaded hole, 12-a second threaded hole, 2-a cavity, 3-a first pressing device, 31-a pressing block, 32-a first pressurizing piece, 4-a second pressing device, 41-a second pressurizing piece, 5-an arc array groove and 6-a permanent magnet monomer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1-3, the present embodiment provides a homopolar permanent magnet assembly device for a motor, the device is used for assembling a plurality of permanent magnet single bodies 6 and comprises a die holder 1, a cavity 2 is arranged in the die holder 1, the cavity 2 is communicated in the front and back direction of the die holder 1, a plurality of permanent magnet monomers 6 to be assembled are arranged in the cavity 2 in a left-right manner, the top of the permanent magnet single bodies 6 is provided with a first pressing device 3, the first pressing device 3 penetrates through the top surface of the die holder 1, for providing a pressure applied in a vertical direction to a permanent magnet composed of a plurality of said permanent magnet units 6, and a second pressing device 4 is arranged on the side surface of the outermost permanent magnet single body 6, and the second pressing device 4 penetrates through the side surface of the die holder 1 and is used for providing pressure applied to the horizontal direction of the permanent magnet.
Specifically, the shape of the cavity 2 needs to be matched with the shape of the permanent magnet accommodated in the cavity, and in practical application, the shapes and sizes of the corresponding die holder 1 and the cavity 2 are specifically designed according to the shape and size of the permanent magnet to be assembled, so that the universality is high.
Preferably, in this embodiment, the cavity 2 is a sector structure, the bottom side of the sector structure is a short arc side, and the top side of the sector structure is a long arc side.
Further preferably, the short arc edge of fan-shaped structure is followed a plurality of arc array recess 5 has been seted up to the length direction on short arc edge, and every arc array recess 5's notch all aims at two permanent magnetism monomer 6's contact surface department, so, as adjacent two permanent magnetism monomer 6 assembles, and glue that the contact surface department of the two was paintd is owing to receive the extrusion when flowing down, arc array recess 5 has just played the effect that connects glue greatly for die holder 1 does not receive the pollution, and the assembling process can go on smoothly.
Specifically, the first pressing device 3 includes a pressing block 31 and two first pressing members 32, the pressing block 31 abuts against the top of the permanent magnet, the two first pressing members 32 are fixedly connected to the top surface of the pressing block 31 at intervals, and the pressing block 31 moves up and down along with the movement of the first pressing members 32.
Further, in order to obtain the maximum contact area between the pressing block 31 and the tops of the plurality of permanent magnet units 6, the contact surface of the pressing block 31, which is in contact with the permanent magnet, is made to have a shape that matches the shape of the top surface of the permanent magnet. Therefore, the pressing block 31 can completely cover the tops of the permanent magnet single bodies 6, the contact area is the largest, and the second pressing device 4 presses the permanent magnet from the side face, so that the permanent magnet can be assembled more firmly.
Specifically, the second pressing device 4 includes two second pressing members 41, and the two second pressing members 41 abut against one side surface of the permanent magnet.
Specifically, the die holder 1 is of a box-type structure and is made of nonmagnetic materials, such as aluminum alloy, stainless steel and other materials; a first threaded hole 11 for being matched and connected with the first pressing piece 31 is formed in the top of the die holder 1, a second threaded hole 12 for being matched and connected with the second pressing piece 41 is formed in the side face of the die holder 1, and the first pressing piece 31 and the second pressing piece 41 are both bolts.
The specific working process of the motor homopolar permanent magnet assembling device in the embodiment is as follows:
1. placing a first permanent magnet single body 6 to be assembled in the cavity 2 of the die holder 1, then rotating the two first pressing members 32 to enable the pressing block 31 to move downwards and press the pressing block to the top of the first permanent magnet single body 6, then rotating the two second pressing members 41, stopping screwing when the two second pressing members 41 are abutted against the side surface of the first permanent magnet single body 6, and keeping the first permanent magnet single body 6 in a shuttable state in the cavity 2;
2. coating glue on a second permanent magnet monomer 6, then shuttling the second permanent magnet monomer into the cavity 2, when the second permanent magnet monomer 6 is shuttled, firstly separating a second pressurizing piece 41 at the inlet end from the first permanent magnet monomer 6, then slowly shuttling the second permanent magnet monomer 6, adjusting the positions of the two permanent magnet monomers 6, and then respectively pressing the pressing block 31 and the second pressurizing piece 41 to the top and the side of the two permanent magnet monomers 6 so as to prevent homopolar permanent magnets from repelling and colliding;
3. by the same method, a third permanent magnet monomer 6, a fourth permanent magnet monomer 6 … and the like are sequentially shuttled in, after all the permanent magnet monomers 6 to be assembled enter the cavity 2, the second pressurizing piece 41 is sequentially adjusted to be tightly pressed with the side surface of the outermost permanent magnet monomer 6, and meanwhile, the first pressurizing piece 32 is adjusted to press the pressing block 31 to the top surface of the assembled permanent magnet, so that the permanent magnet is fastened in the vertical and horizontal directions;
4. after the glue among the permanent magnet monomers 6 is firmly bonded, the first pressure piece 32 and the second pressure piece 41 are sequentially loosened, and the assembly of the permanent magnet is completed.
In the above assembling process, the degree of tightness of the permanent magnet unit 6 can be specifically adjusted by the first pressing member 32 and the second pressing member 41. Generally, both ends of the permanent magnet unit 6 are usually disposed outside the die holder 1 for facilitating the subsequent adjustment of the position of the permanent magnet unit 6.
In addition, the assembly device for homopolar permanent magnets of the motor in the embodiment can also be used as follows: the first permanent magnet monomer 6 is firstly shuttled into the cavity 2 and is pressed by the press block 31, then the second permanent magnet monomer 6 is placed at one side of the cavity 2 opposite to the first permanent magnet monomer 6, the second permanent magnet monomer 6 is pushed towards the first permanent magnet monomer 6 by the two second pressing pieces 41 until the second permanent magnet monomer is tightly attached to the first permanent magnet monomer 6, and by the way, the third permanent magnet monomer 6 … and the nth permanent magnet monomer 6 are shuttled into the cavity 2 by adopting the method, finally the press block 31 and the second pressing pieces 41 are pressed downwards to keep the permanent magnet to be fastened, and the press block 31 and the second pressing pieces 41 are sequentially loosened after the permanent magnet is firmly bonded.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a homopolar permanent magnet assembly device of motor which characterized in that, assembly device includes die holder, first closing device and second closing device, wherein:
a cavity is arranged in the die holder, a group of opposite ends of the cavity respectively extend to a group of opposite sides of the die holder, a plurality of permanent magnet monomers to be assembled are arranged in the cavity in a left-right mode, and the shape of the cavity is matched with the shape of a permanent magnet which is contained in the cavity and consists of the permanent magnet monomers;
the first pressing device penetrates through the top surface of the die holder and abuts against the tops of the permanent magnet single bodies, and is used for providing pressure applied to the permanent magnet in the vertical direction;
the second pressing device penetrates through the side face of the die holder and abuts against the side face of the permanent magnet single body on the outermost side, and is used for providing pressure applied to the permanent magnet in the horizontal direction.
2. The assembly device of claim 1, wherein the cavity is a fan-shaped structure, the bottom side of the fan-shaped structure is a short arc side, and the top side of the fan-shaped structure is a long arc side.
3. The motor homopolar permanent magnet assembly device of claim 2, wherein a plurality of arc array grooves are formed on the short arc edge of the fan-shaped structure along the length direction of the short arc edge.
4. The assembly device of claim 3, wherein the notches of each arc array groove are aligned with the contact surfaces of two permanent magnet units.
5. The assembly device of claim 1, wherein the first pressing device comprises a pressing block and at least two first pressing members, the pressing block abuts against the top of the permanent magnet, and the two first pressing members are fixedly connected to the top surface of the pressing block at intervals.
6. The assembly device of claim 5, wherein the contact surface of the pressing block against the permanent magnet is matched with the top surface of the permanent magnet.
7. The assembly device of claim 1, wherein the second pressing device comprises at least two second pressing members, and the two second pressing members abut against one side surface of the permanent magnet.
8. The assembly device of claim 5, wherein the first pressing member is a bolt and is connected to the die holder through a first threaded hole formed in the top of the die holder.
9. The assembly device of claim 7, wherein the second pressing member is a bolt and is connected to the die holder through a second threaded hole formed in a side surface of the die holder.
10. The assembly device of claim 1, wherein the mold base is a box-type structure made of non-magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655729.4U CN215344325U (en) | 2021-07-20 | 2021-07-20 | Homopolar permanent magnet assembling device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655729.4U CN215344325U (en) | 2021-07-20 | 2021-07-20 | Homopolar permanent magnet assembling device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215344325U true CN215344325U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121655729.4U Active CN215344325U (en) | 2021-07-20 | 2021-07-20 | Homopolar permanent magnet assembling device of motor |
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| Country | Link |
|---|---|
| CN (1) | CN215344325U (en) |
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2021
- 2021-07-20 CN CN202121655729.4U patent/CN215344325U/en active Active
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