CN219875404U - Shaping curing mold suitable for stator structure of slotless brushless direct current motor - Google Patents
Shaping curing mold suitable for stator structure of slotless brushless direct current motor Download PDFInfo
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- CN219875404U CN219875404U CN202320354683.5U CN202320354683U CN219875404U CN 219875404 U CN219875404 U CN 219875404U CN 202320354683 U CN202320354683 U CN 202320354683U CN 219875404 U CN219875404 U CN 219875404U
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- die
- pressing plate
- shaping
- stator structure
- stator
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- 238000007493 shaping process Methods 0.000 title claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a shaping and curing die suitable for a stator structure of a slotless brushless direct current motor, which comprises a lower pressing plate, wherein a lower die is arranged on the lower pressing plate, the lower die is connected with an upper die, cavities matched with the stator structure of the slotless brushless direct current motor are respectively arranged in the middle parts of the lower die and the upper die, the upper die is connected with the upper pressing plate, the upper pressing plate is fixedly connected with the lower pressing plate, a taper sleeve is arranged in the middle parts of the upper die, the lower pressing plate, the upper die and the lower die in a penetrating way, a taper shaft is arranged in the taper sleeve, and the taper sleeve consists of a plurality of fan-shaped splicing blocks with different angles. The stator shaping fixture is capable of avoiding repeated disassembly of the fixture, improving stator shaping processing efficiency, avoiding rebound of stator coils of the disassembly fixture, and solving the problem of broken wires of the stator coils caused by proper increase of the size of inner holes of the stator.
Description
Technical Field
The utility model belongs to the technical field of shaping and curing molds, and particularly relates to a shaping and curing mold suitable for a stator structure of a slotless brushless direct current motor.
Background
The slotless brushless DC motor is an assembled structure and mainly comprises a rotor, a stator, a shell and a rear end cover assembly. The stator of the slotless brushless direct current motor adopts a slotless scheme for eliminating the cogging, wherein the stator structure of the slotless brushless direct current motor consists of a stator coil 10, a stator core 11, an insulating end plate 13 and insulating films 12, as shown in fig. 5, the insulating end plates 13 are adhered to two end surfaces of the stator core 11, the insulating films 12 are arranged in the inner holes of the stator core 11, and the stator core 11 is arranged in the middle of the periphery of the stator coil 10. The stator core 11 is a slotless core, and the stator coil 10 and the stator core 11 are insulated and protected by an insulating film 12. When the stator of the traditional slotless brushless DC motor is in line, two types of tools, namely a shaping tool and a shaping tool, are needed. Shaping an inner hole of a stator coil by using a shaping tool until a shaping tool mandrel can pass through the shaping tool, and fixing the stator coil and a stator core. And then the shaping tool is disassembled, and the shaping tool is used for shaping and solidifying the coil. The shaping tool is used for expanding the inner hole of the stator coil, the stator coil can rebound after the shaping tool is disassembled, the shaping tool mandrel can penetrate through the stator coil, excessive shaping of the stator coil is needed, and the stator coil is easy to break. The two sets of tools are used for disassembling, so that time and labor are wasted, the production efficiency is low, and the coil is easy to damage.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a stator shaping and curing die suitable for a slotless brushless direct current motor, and solves the problems that the disassembly by using two sets of tools in the prior art is time-consuming and labor-consuming, the production efficiency is low and a coil is easy to damage.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: the utility model provides a plastic curing mould suitable for no groove brushless DC motor stator structure, including the holding down plate, be equipped with the lower mould on the holding down plate, lower mould and last mould connection, lower mould and last mould middle part all are equipped with the die cavity that matches with no groove brushless DC motor stator structure, go up the mould and be connected with the holding down plate, holding down plate and holding down plate fixed connection, be equipped with the hole in holding down plate and the holding down plate, the taper sleeve runs through and locates holding down plate, go up mould and lower mould middle part, be equipped with the taper axle in the taper sleeve, the taper sleeve comprises a plurality of fan-shaped pieces of different angles.
Preferably, the upper pressing plate is connected with the lower pressing plate through a screw II.
Preferably, the upper die is connected with the lower die through a spigot, and the upper die is connected with the lower die through a screw I and a locating pin.
Preferably, the lower die is connected with the lower pressing plate through a spigot.
Preferably, the upper pressing plate and the upper die are installed through a spigot.
Preferably, the number of the sector-shaped tiles is 7-9, the angle of 2 sector-shaped tiles is half of the angle of each other sector-shaped tile, and the sum of the angles of all the sector-shaped tiles is 360 degrees.
Preferably, the coaxiality of the outer diameter of the taper sleeve, the inner holes of the upper pressing plate and the lower pressing plate and the cavities of the upper die and the lower die is 0.05-0.1 mm.
Preferably, the middle parts of the upper pressing plate and the lower pressing plate are provided with bosses.
Preferably, the upper pressing plate boss is provided with a wire guide groove.
Preferably, a composite material layer is arranged on the periphery of the outer side of the taper sleeve.
Compared with the prior art, the utility model has the following beneficial effects: the shaping and curing die is suitable for the stator structure of the slotless brushless direct current motor, optimizes two sets of tools of a primary shaping tool and a shaping tool into shaping and curing tools, is provided with a cavity matched with the stator structure of the slotless brushless direct current motor in an upper die and a lower die for being filled into the stator structure of the slotless brushless direct current motor, and can finish shaping and curing of the stator structure of the slotless brushless direct current motor by using an upper pressing plate and a lower pressing plate during stator shaping and curing, so that repeated disassembly of the tools is avoided, and stator shaping and processing efficiency is improved; the taper sleeve and the taper shaft are utilized to ensure the size of an inner hole of the stator structure of the slotless brushless DC motor. The utility model avoids rebound of the stator coil of the disassembly tool, and solves the problem of broken wire of the stator coil caused by proper increase of the size of the inner hole of the stator.
Further, the plurality of fan-shaped spliced blocks with different angles are easier to put into the fan-shaped spliced blocks in the shaping process, so that the inner hole of the stator coil is easier to expand; too few fan-shaped blocks can easily damage or break the stator coil when the fan-shaped blocks are reamed by the blocks, and too many fan-shaped blocks can affect the efficiency.
Further, the upper pressing plate and the lower pressing plate are provided with bosses for enabling screws to press the upper end face and the lower end face of the upper die and the lower die, meanwhile, the height of the stator structure of the slotless brushless direct current motor is guaranteed, and the bosses of the upper pressing plate are provided with lead grooves for penetrating wires of the setting sub-coils.
Further, a composite material layer is arranged on the periphery of the outer side of the taper sleeve, so that the enamelled wire enamel in the stator coil is prevented from being damaged when the inner hole of the stator coil is enlarged.
Drawings
FIG. 1 is a schematic diagram of a shaping curing mold suitable for use in the stator structure of a slotless brushless DC motor in accordance with the present utility model;
FIG. 2 is a schematic view of the structure of the cone sleeve according to the present utility model;
FIG. 3 is a top view of the drogue of the present utility model;
FIG. 4 is a top view of the upper platen of the present utility model;
FIG. 5 is a schematic diagram of a stator structure of a slotless brushless DC motor of the present utility model;
wherein: 1. a lower pressing plate; 2. a lower die; 3. an upper die; 4. a positioning pin; 5. a screw I; 6. an upper press plate; 7. a screw II; 8. a conical shaft; 9. a taper sleeve; 10. a stator coil; 11. a stator core; 12. an insulating film; 13. an insulating end plate; 14. and a wire guiding groove.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The utility model provides a stator plastic curing mould suitable for no groove brushless DC motor, as shown in FIG. 1, including holding down plate 1, be equipped with lower mould 2 on the holding down plate 1, lower mould 2 and last mould 3 are connected, lower mould 2 and last mould 3 middle part all are equipped with the die cavity that matches with no groove brushless DC motor stator structure, go up mould 3 and be connected with top board 6, as shown in FIG. 4, top board 6 and holding down plate 1 fixed connection, be equipped with the hole in top board 6 and the holding down plate 1, taper sleeve 9 runs through and locates top board 6, holding down plate 1, go up mould 3 and lower mould 2 middle part, be equipped with taper shaft 8 in the taper sleeve 9, taper sleeve 9 comprises a plurality of fan-shaped pieces that the angle is different, as shown in FIG. 2 and FIG. 3.
The working principle of the shaping and curing die suitable for the stator structure of the slotless brushless DC motor is as follows: firstly, a stator coil 10 is arranged in a stator core 11, an upper die 3 and a lower die 2 are positioned through a positioning pin 4, the stator core 11 is arranged in a cavity of the lower die 2, and the upper die 3 and the lower die 2 are fixedly connected through a screw I5; the inner hole of the stator coil 10 is enlarged by the conical sleeve 9 and the conical shaft 8, the outer side of the conical sleeve 9 is protected by a composite material layer, when two fan-shaped splicing blocks with the smallest remaining angles are arranged, the upper pressing plate 6 and the lower pressing plate 1 are arranged and connected and fixed through the screw II 7, all the fan-shaped splicing blocks are arranged after the fixing is finished, and the inner hole and the height of the stator structure of the slotless brushless direct current motor are shaped to the required size.
The utility model improves the shaping qualification rate of the stator structure of the slotless brushless DC motor, and the inner hole and the height of the stator structure of the slotless brushless DC motor can be shaped and set at one time. The utility model is successfully applied to stator shaping and curing processes of various slotless brushless direct current motors through multiple production verification, so that the shaping qualification rate of the stator of the motor is greatly improved, and the motor shaping process has wide popularization similar to the motor shaping process.
The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.
Claims (10)
1. The shaping curing die suitable for the stator structure of the slotless brushless direct current motor is characterized by comprising a lower pressing plate (1), wherein a lower die (2) is arranged on the lower pressing plate (1), the lower die (2) is connected with an upper die (3), cavities matched with the stator structure of the slotless brushless direct current motor are formed in the middle of the lower die (2) and the upper die (3), the upper die (3) is connected with an upper pressing plate (6), the upper pressing plate (6) is fixedly connected with the lower pressing plate (1), inner holes are formed in the upper pressing plate (6) and the lower pressing plate (1), a taper sleeve (9) penetrates through the middle of the upper pressing plate (6), the lower pressing plate (1), the upper die (3) and the lower die (2), a taper shaft (8) is arranged in the taper sleeve (9), and the taper sleeve (9) consists of fan-shaped spliced blocks with different angles.
2. A shaping and curing die for a stator structure of a slotless brushless dc motor according to claim 1, wherein the upper platen (6) is connected to the lower platen (1) by screws ii (7).
3. The shaping and curing die for the stator structure of the slotless brushless direct current motor according to claim 1, wherein the upper die (3) is connected with the lower die (2) through a spigot, and the upper die (3) is connected with the lower die (2) through a screw I (5) and a positioning pin (4).
4. A shaping and curing die for a stator structure of a slotless brushless dc motor according to claim 1, wherein the lower die (2) is connected to the lower platen (1) through a spigot.
5. A shaping and curing die for a stator structure of a slotless brushless dc motor according to claim 1, wherein the upper platen (6) is mounted to the upper die (3) through a spigot.
6. A shaping and curing die for a stator structure of a slotless brushless dc motor according to claim 1, wherein the number of segments is 7-9, the angle of 2 segments is half the angle of each of the remaining segments, and the sum of the angles of all segments is 360 °.
7. The shaping and curing die suitable for the stator structure of the slotless brushless direct current motor according to claim 1, wherein the coaxiality of the outer diameter of the taper sleeve (9) with the inner holes of the upper pressing plate (6) and the lower pressing plate (1) and the cavities of the upper die (3) and the lower die (2) is 0.05-0.1 mm.
8. Shaping and curing die suitable for stator structure of slotless brushless DC motor according to claim 1, wherein the middle parts of the upper pressing plate (6) and the lower pressing plate (1) are provided with bosses.
9. A shaping and curing mould for a stator structure of a slotless brushless dc motor according to claim 8, wherein the upper platen (6) boss is provided with a wire slot (14).
10. A shaping and curing mould for a stator structure of a slotless brushless dc motor according to claim 1, wherein a composite material layer is provided on the outer periphery of the cone sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354683.5U CN219875404U (en) | 2023-03-01 | 2023-03-01 | Shaping curing mold suitable for stator structure of slotless brushless direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320354683.5U CN219875404U (en) | 2023-03-01 | 2023-03-01 | Shaping curing mold suitable for stator structure of slotless brushless direct current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875404U true CN219875404U (en) | 2023-10-20 |
Family
ID=88322967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320354683.5U Active CN219875404U (en) | 2023-03-01 | 2023-03-01 | Shaping curing mold suitable for stator structure of slotless brushless direct current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875404U (en) |
-
2023
- 2023-03-01 CN CN202320354683.5U patent/CN219875404U/en active Active
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