CN108599491B - Glue filling method and device for motor stator - Google Patents
Glue filling method and device for motor stator Download PDFInfo
- Publication number
- CN108599491B CN108599491B CN201810660902.6A CN201810660902A CN108599491B CN 108599491 B CN108599491 B CN 108599491B CN 201810660902 A CN201810660902 A CN 201810660902A CN 108599491 B CN108599491 B CN 108599491B
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- China
- Prior art keywords
- stator
- glue
- air bag
- winding
- elastic air
- Prior art date
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- 239000003292 glue Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 54
- 239000000084 colloidal system Substances 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004382 potting Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of motor encapsulation, and particularly discloses a motor stator glue pouring method and device, wherein the method comprises the steps of sleeving a machine shell on a stator, enabling the machine shell and the top end of a winding to form a first glue containing cavity, enabling the machine shell and a stator iron core to form a glue flowing channel, and enabling a second glue containing cavity to be formed between the machine shell and the bottom end of the winding; placing an elastic air bag at the inner edge of the stator; an upper die workpiece is inserted between the top end of the winding and the elastic air bag, so that a glue filling port is reserved above the top end of the winding; inserting a lower die workpiece between the bottom end of the winding of the stator and the elastic air bag to seal the lower part of the bottom end of the winding with the shell; the elastic air bag is tightly attached to the inner edge of the stator; filling glue to enable the glue to cover the two windings; and after the colloid is solidified, the die is removed, and the elastic air bag gas is discharged. According to the invention, the elastic air bag is tightly attached to the inner edge of the stator by inflating the elastic air bag, and the upper die workpiece and the lower die workpiece are matched during glue filling, so that glue can be effectively prevented from flowing into the inner edge of the stator, the process of cleaning the glue is omitted, and the production efficiency of the motor is improved.
Description
Technical Field
The invention relates to the technical field of motor encapsulation, and particularly discloses a motor stator glue-pouring method and device.
Background
In the motor filling and sealing process, the colloid flows to the inner diameter of the stator when the colloid is filled, and the size of the inner diameter of the stator is changed after the colloid is solidified, so that the subsequent assembly and disassembly are not facilitated, and the cleaning process of the surface filling and sealing glue on the inner diameter of the stator is required to be increased, so that the motor production efficiency is affected, and the cleaning and filling process has certain operation difficulty and is not easy to realize.
The common means is to install a rubber tube in the inner diameter of the stator, insert the axial slotted shaft core and make it interference with the inner circumference of the shaft core so as to make the rubber tube cling to the inner diameter of the stator. Because the rubber tube diameter is smaller than the stator internal diameter, the rubber tube can transversely prop open at the slot dividing position, a certain gap still exists between the rubber tube and the stator internal diameter, and the glue can flow into the gap after glue filling, so that the rubber tube still needs to be cleaned.
Therefore, there is a need in the industry for a method and apparatus for potting motor stators that addresses the above-described issues.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a motor stator glue filling method and device.
In order to achieve the above object, the present invention adopts the following scheme.
A method of potting a stator of an electric machine, comprising:
selecting a shell with a certain caliber and a certain size to be sleeved on a stator, forming a first glue containing cavity between the shell and the winding top end of the stator, forming a glue flowing channel between the shell and a stator core, and forming a second glue containing cavity between the shell and the winding bottom end of the stator;
an elastic air bag provided with an air inlet and an air outlet is arranged at the inner edge of the stator;
an upper die workpiece is inserted between the winding top end of the stator and the elastic air bag, and a glue filling port is reserved above the winding top end;
inserting a lower die workpiece between the winding bottom end of the stator and the elastic air bag, and sealing the lower part of the winding bottom end with the shell;
inflating the elastic air bag until the elastic air bag clings to the inner edge of the stator;
filling glue into the glue filling opening to fill the glue into the first glue containing cavity and the second glue containing cavity, and respectively coating the top end and the bottom end of the winding;
after the colloid is solidified, the upper die workpiece and the lower die workpiece are subjected to die stripping, and the elastic air bag gas is discharged, so that stator glue filling is completed.
Further, the stator is fixed on the vibration table for glue filling.
Further, the lower die workpiece and the second glue accommodating cavity are sealed through an elastic sealing ring.
Further, the elastic air bag is sleeved on the core column and then placed on the inner edge of the stator.
A glue filling device for a motor stator comprises
The stator comprises a winding top end, a stator core and a winding bottom end;
the shell is sleeved on the stator, a first glue containing cavity is arranged between the shell and the top end of the winding, a glue flowing channel is arranged between the shell and the stator core, and a second glue containing cavity is arranged between the shell and the bottom end of the winding;
the elastic air bag is provided with an air inlet and an air outlet which are used for inflating and clinging to the inner edge of the stator;
the upper die workpiece is inserted between the winding top end and the elastic air bag, and a glue filling port is reserved above the winding top end;
the lower die workpiece is inserted between the bottom end of the winding and the elastic air bag, and the lower part of the second glue containing cavity is sealed with the shell.
Further, an elastic sealing ring is arranged between the lower die workpiece and the second glue containing cavity.
Further, the elastic air bag is sleeved with a core column, and the elastic air bag is sleeved on the core column.
Further, a vibration table is arranged at the bottom end of the motor stator glue filling device.
Further, the cross section of the upper die workpiece is conical, and the cross section of the contact part between the lower die workpiece and the bottom end of the winding is conical.
The invention has the beneficial effects that: the motor stator glue filling method and device have the advantages that the elastic air bags are tightly attached to the inner edge of the stator through the inflation of the elastic air bags, and the upper die workpiece and the lower die workpiece are matched during glue filling, so that glue can be effectively prevented from flowing into the inner edge of the stator, the process of cleaning the glue is omitted, the motor production efficiency is improved, and the motor stator glue filling method and device are convenient to operate and easy to control.
Drawings
FIG. 1 is a schematic cross-sectional view of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an apparatus with a stem according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a prior art device.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
A glue filling device for motor stator, as shown in figure 1, comprises
The stator comprises a winding top end 3, a stator core 8 and a winding bottom end 4;
the machine shell 1 is sleeved on the stator, a first glue containing cavity 5 is arranged between the machine shell 1 and the winding top end 3, a glue flowing channel 9 is arranged between the machine shell 1 and the stator core 8, and a second glue containing cavity 6 is arranged between the machine shell 1 and the winding bottom end 4;
the elastic air bag 2 is provided with an air inlet and an air outlet, and is used for inflating and clinging to the inner edge of the stator;
the upper die workpiece 9 is inserted between the winding top end 3 and the elastic air bag 2, and a glue filling port is reserved above the winding top end 3;
the lower die workpiece 10 is inserted between the winding bottom end 4 and the elastic air bag 2, and seals the lower part of the second glue containing cavity 6 with the machine shell.
In this embodiment, an elastic sealing ring 11 is disposed between the lower die workpiece 10 and the second glue accommodating cavity 6, so as to effectively prevent glue from flowing out of the machine shell.
In this embodiment, as shown in fig. 2, the elastic air bag is sleeved with the stem 13, and the elastic air bag 2 is sleeved on the stem 13, so that the volume of the elastic air bag 2 is reduced, the air consumption is reduced, and the inflation is convenient to control.
In this embodiment, motor stator glue filling device bottom is equipped with the shaking table, can accelerate the colloid infiltration through vibrations, also can discharge the bubble simultaneously, prevents that the encapsulating is inhomogeneous.
In this embodiment, the cross section of the upper die workpiece 9 is tapered, and the cross section of the contact portion between the lower die workpiece 10 and the winding bottom end 4 is tapered, so that the upper die workpiece and the lower die workpiece are respectively inserted into the winding top end 3 and the winding bottom end 4, thereby not only preventing the glue from flowing into the inner edge of the stator, but also occupying a certain space of the first glue accommodating cavity and the second glue accommodating cavity, and reducing the glue filling amount.
A method of potting a stator of an electric machine, comprising:
selecting a shell 1 with a certain caliber and a certain size to be sleeved on a stator, so that a first glue containing cavity 5 is formed between the shell 1 and the winding top end 3 of the stator after the shell 1 is sleeved on the stator, a glue flowing channel 7 is formed between the shell and the stator core 8, and a second glue containing cavity 6 is formed between the shell and the winding bottom end 4 of the stator;
an elastic air bag 2 provided with an air inlet and outlet hole 12 is arranged at the inner edge of the stator; an upper die workpiece 9 is inserted between the winding top end 3 of the stator and the elastic air bag 2, and a glue filling opening is reserved above the winding top end 3; inserting a lower die workpiece 10 between the winding bottom end 4 of the stator and the elastic air bag 2, and sealing the lower part of the winding bottom end 4 with the shell 1;
inflating the elastic air bag 2 to expand the elastic air bag 2 until the elastic air bag 2 is tightly attached to the inner edge of the stator; glue is filled into the glue filling opening, glue enters the first glue containing cavity 5 and flows to the second glue containing cavity 6 along the glue flowing channel 7, the glue fills the first glue containing cavity 5 and the second glue containing cavity 6, and the top end 3 and the bottom end 4 of the winding are respectively coated;
stopping pouring the colloid after a certain amount of colloid is poured, and solidifying the colloid. After the colloid is solidified, the upper die workpiece 9 and the lower die workpiece 10 are subjected to die stripping, and the gas of the elastic air bag 2 is discharged, so that stator glue filling is completed.
According to the method for filling the glue into the motor stator, the elastic air bag 2 is inflated to be closely attached to the inner edge of the stator, and the glue can be prevented from flowing to the inner edge of the stator by matching with the upper die workpiece and the lower die workpiece, and the glue containing cavity and the glue flowing channel 7 formed by the motor shell 1 can well limit the glue flowing direction, so that the process of cleaning the glue is omitted, the motor production efficiency is improved, and the method is convenient to operate and easy to control.
In this embodiment, fix the stator on the shaking table and carry out the encapsulating, can accelerate the infiltration of colloid through vibrations, also can discharge the bubble simultaneously, prevent that the encapsulating is inhomogeneous.
In this embodiment, the lower mold workpiece 10 and the second glue accommodating cavity 6 are sealed by the elastic sealing ring 11, so as to effectively prevent glue from flowing out of the casing 1.
In this embodiment, the elastic air bag 2 is sleeved on the stem 13 and then placed on the inner edge of the stator, so as to reduce the air consumption and facilitate the control of inflation.
In addition, the inflated elastic air bag 2 can be placed at the inner edge of the stator, an upper die workpiece 9 capable of sealing the upper side of the shell 1 is inserted between the winding top end 3 of the stator and the elastic air bag 2, and the elastic air bag 2 is compressed to be inflated to be closely attached to the inner edge of the stator, so that the elastic air bag 2 can be repeatedly utilized after being inflated once, and energy consumption is reduced. Likewise, the stator may be evacuated in a closed environment to expand the flexible bladder 2 against the inner edge of the stator.
The prior art means is as shown in fig. 3, in which a rubber tube 31 is installed in the inner diameter of the stator, an axial slotted shaft core is inserted, and the rubber tube 31 is tightly attached to the inner diameter of the stator by interference with the inner circumference of the shaft core. Because the rubber tube diameter is smaller than the stator internal diameter, the rubber tube 31 can transversely prop open at the slot dividing position, at the moment, a certain gap 32 still exists between the rubber tube and the stator internal diameter, and the rubber can flow into the gap 32 after being filled with the rubber, so that the rubber tube still needs to be cleaned. The motor stator glue filling method and device provided by the invention can be closely attached to the inner edge of the stator without gaps only by controlling the elastic air bag 2 to be filled, so that glue is prevented from flowing in.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (9)
1. A method for potting a stator of an electric machine, comprising:
selecting a shell with a certain caliber and a certain size to be sleeved on a stator, forming a first glue containing cavity between the shell and the winding top end of the stator, forming a glue flowing channel between the shell and a stator core, and forming a second glue containing cavity between the shell and the winding bottom end of the stator;
an elastic air bag provided with an air inlet and an air outlet is arranged at the inner edge of the stator;
an upper die workpiece is inserted between the winding top end of the stator and the elastic air bag, and a glue filling port is reserved above the winding top end;
inserting a lower die workpiece between the winding bottom end of the stator and the elastic air bag, and sealing the lower part of the winding bottom end with the shell;
inflating the elastic air bag until the elastic air bag clings to the inner edge of the stator;
filling glue into the glue filling opening to fill the glue into the first glue containing cavity and the second glue containing cavity, and respectively coating the top end and the bottom end of the winding;
after the colloid is solidified, the upper die workpiece and the lower die workpiece are subjected to die stripping, and the elastic air bag gas is discharged, so that stator glue filling is completed.
2. The method of claim 1, wherein the stator is fixed to a vibration table for potting.
3. The method of claim 1, wherein the lower mold piece and the second glue receiving cavity are sealed by an elastic sealing ring.
4. The method of claim 1, wherein the elastic air bag is sleeved on the core column and is placed on the inner edge of the stator.
5. The utility model provides a motor stator encapsulating device which characterized in that includes
A stator including a stator core and windings;
the shell is sleeved on the stator, a first glue containing cavity is arranged between the shell and the top end of the winding, a glue flowing channel is arranged between the shell and the stator core, and a second glue containing cavity is arranged between the shell and the bottom end of the winding;
the elastic air bag is provided with an air inlet and an air outlet which are used for inflating and clinging to the inner edge of the stator;
the upper die workpiece is inserted between the winding top end and the elastic air bag, and a glue filling port is reserved above the winding top end;
the lower die workpiece is inserted between the bottom end of the winding and the elastic air bag, and the lower part of the second glue containing cavity is sealed with the shell.
6. The motor stator glue-pouring device according to claim 5, wherein an elastic sealing ring is arranged between the lower die workpiece and the second glue-accommodating cavity.
7. The motor stator glue-pouring device according to claim 5, wherein the elastic air bag is sleeved with a core column, and the elastic air bag is sleeved on the core column.
8. The motor stator glue-pouring device according to claim 5, wherein a vibration table is arranged at the bottom end of the motor stator glue-pouring device.
9. The motor stator glue-pouring apparatus of claim 5, wherein the upper die workpiece has a tapered cross-section, and the lower die workpiece has a tapered cross-section at a contact portion with the bottom end of the winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660902.6A CN108599491B (en) | 2018-06-25 | 2018-06-25 | Glue filling method and device for motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660902.6A CN108599491B (en) | 2018-06-25 | 2018-06-25 | Glue filling method and device for motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108599491A CN108599491A (en) | 2018-09-28 |
| CN108599491B true CN108599491B (en) | 2023-12-12 |
Family
ID=63633653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810660902.6A Active CN108599491B (en) | 2018-06-25 | 2018-06-25 | Glue filling method and device for motor stator |
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| Country | Link |
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| CN (1) | CN108599491B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496751B (en) * | 2019-08-12 | 2021-05-18 | 贵州天义电器有限责任公司 | Glue filling clamp of time delay relay |
| CN110417214B (en) * | 2019-09-06 | 2024-03-22 | 中车株洲电机有限公司 | Stator slot filling and sealing operation device and method |
| CN113839534A (en) * | 2020-06-08 | 2021-12-24 | 马丁工程技术（昆山）有限公司 | Novel glue pouring process for motor stator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0556611A (en) * | 1991-02-15 | 1993-03-05 | Mitsubishi Electric Corp | Molded motor and manufacture thereof |
| JPH089601A (en) * | 1994-06-22 | 1996-01-12 | Mitsubishi Electric Corp | Device and method for manufacturing stator for molded motor and metallic mold with elastic body and compressing member |
| CN101257231A (en) * | 2007-02-26 | 2008-09-03 | 元山科技工业股份有限公司 | Waterproof type stator device for motor and manufacturing method thereof |
| CN205212662U (en) * | 2015-11-18 | 2016-05-04 | 杭州摩恩电机有限公司 | A casting glue frock for motor stator |
| CN206727850U (en) * | 2017-05-19 | 2017-12-08 | 湖北自贸区宜昌片区一昊科技有限公司 | A kind of frock for servo motor stator encapsulating |
| CN208299653U (en) * | 2018-06-25 | 2018-12-28 | 东莞市博瓦特动力科技有限公司 | Motor stator encapsulating device |
-
2018
- 2018-06-25 CN CN201810660902.6A patent/CN108599491B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0556611A (en) * | 1991-02-15 | 1993-03-05 | Mitsubishi Electric Corp | Molded motor and manufacture thereof |
| JPH089601A (en) * | 1994-06-22 | 1996-01-12 | Mitsubishi Electric Corp | Device and method for manufacturing stator for molded motor and metallic mold with elastic body and compressing member |
| CN101257231A (en) * | 2007-02-26 | 2008-09-03 | 元山科技工业股份有限公司 | Waterproof type stator device for motor and manufacturing method thereof |
| CN205212662U (en) * | 2015-11-18 | 2016-05-04 | 杭州摩恩电机有限公司 | A casting glue frock for motor stator |
| CN206727850U (en) * | 2017-05-19 | 2017-12-08 | 湖北自贸区宜昌片区一昊科技有限公司 | A kind of frock for servo motor stator encapsulating |
| CN208299653U (en) * | 2018-06-25 | 2018-12-28 | 东莞市博瓦特动力科技有限公司 | Motor stator encapsulating device |
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| CN108599491A (en) | 2018-09-28 |
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