CN113193709A - Motor shielding sleeve corrugation forming process, encapsulating process and shielding sleeve - Google Patents
Motor shielding sleeve corrugation forming process, encapsulating process and shielding sleeve Download PDFInfo
- Publication number
- CN113193709A CN113193709A CN202110421905.6A CN202110421905A CN113193709A CN 113193709 A CN113193709 A CN 113193709A CN 202110421905 A CN202110421905 A CN 202110421905A CN 113193709 A CN113193709 A CN 113193709A
- Authority
- CN
- China
- Prior art keywords
- shielding sleeve
- corrugated
- motor
- end ring
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000000465 moulding Methods 0.000 claims abstract 7
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/10—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
本发明属于电机生产加工技术领域，本发明提供一种潜水电机屏蔽套波纹成型工艺，包括以下步骤：将波纹模具套设在屏蔽套外围，波纹模具的内壁上设置有波纹面；将收缩状态的膨胀体置入屏蔽套内；使膨胀体径向扩张，通过膨胀体挤压屏蔽套，使屏蔽套受压变形后，屏蔽套的外壁面与波纹模具的内壁面贴合，从而在屏蔽套上形成波纹面。将屏蔽套的圆筒部加工成波纹管状，增强屏蔽套的刚度。
The invention belongs to the technical field of motor production and processing, and provides a corrugated molding process for a shielding sleeve of a submersible motor, which comprises the following steps: setting a corrugated mold on the periphery of the shielding sleeve, and a corrugated surface is arranged on the inner wall of the corrugated mold; The expansion body is placed in the shielding sleeve; the expansion body is radially expanded, and the shielding sleeve is squeezed by the expansion body, so that after the shielding sleeve is deformed under pressure, the outer wall surface of the shielding sleeve and the inner wall surface of the corrugated mold fit, so that the shielding sleeve is on the shielding sleeve. Form a corrugated surface. The cylindrical part of the shielding sleeve is processed into a corrugated tube shape to enhance the rigidity of the shielding sleeve.
Description
Technical Field
The invention belongs to the technical field of motor production and processing, and particularly relates to a motor shielding sleeve corrugation forming process, a filling and sealing process and a shielding sleeve.
Background
A shielding sleeve is arranged between the stator and the rotor of the submersible motor. In order to reduce the influence of the shielding sleeve on the efficiency of the motor, the thickness of the shielding sleeve is small, and the rigidity is poor.
Disclosure of Invention
The invention aims to provide a corrugated forming process of a shielding sleeve, which is used for processing a cylindrical part of the shielding sleeve into a corrugated pipe shape so as to improve the rigidity of the shielding sleeve.
On one hand, the invention provides a corrugated forming process of a shield sleeve of a submersible motor, which comprises the following steps:
sleeving a corrugated mold on the periphery of the shielding sleeve, wherein a corrugated surface is arranged on the inner wall of the corrugated mold;
placing the expansion body in the contraction state into a shielding sleeve;
the expansion body is radially expanded, the shielding sleeve is extruded by the expansion body, and after the shielding sleeve is pressed and deformed, the outer wall surface of the shielding sleeve is attached to the inner wall surface of the corrugated mold, so that a corrugated surface is formed on the shielding sleeve.
Optionally, before the expansion body presses the shielding sleeve, the method comprises the following steps:
the shielding sleeve is arranged in the shell;
the machine casing and the shielding sleeve of the machine are connected by an end ring of the machine to fix the relative position between the machine casing and the shielding sleeve.
Optionally, the end ring includes an upper end ring and a lower end ring, in the axial direction of the shielding sleeve, two ends of the shielding sleeve are respectively connected to the upper end ring and the lower end ring, and two ends of the casing are respectively welded to the upper end ring and the lower end ring; the corrugated die comprises a first die and a second die; the first die and the second die are respectively positioned at two ends of a stator of the motor in the axial direction.
Optionally, before the shielding case is inserted into the chassis, the method comprises the following steps:
fixing the lower end ring at the lower end of the machine shell;
sequentially loading a first die, a stator and a second die into a shell;
the upper end ring is fixed at the upper end of the casing.
Optionally, the end faces of the first die and the second die close to the stator are provided with annular grooves for accommodating the stator coils;
and a winding wire leading-out hole is formed at the bottom of the annular groove of the first die.
Alternatively, the corrugated surface on the inner wall of the corrugated mold is provided with a plurality of transverse corrugations distributed along the axial direction of the shielding sleeve, or the corrugated surface on the inner wall of the corrugated mold is provided with corrugations distributed in a cylindrical spiral shape.
Optionally, the expansion body is an expansion sleeve made of an elastic material;
optionally, the account cover is a cylindrical air bag.
In another aspect, the invention further provides a motor potting process, after the corrugated section is processed on the shielding sleeve through the shielding sleeve corrugation forming process, epoxy resin is filled into a cavity formed by the enclosure, the end ring and the shielding sleeve, and the corrugated mold and the motor stator are jointly potted in the motor.
In still another aspect, the present invention further provides a shielding sleeve with a corrugated surface, which is formed by the corrugation forming process of the motor shielding sleeve as claimed in any one of claims 1 to 8.
Through the motor shielding sleeve corrugation forming process provided by the invention, the cylindrical part of the shielding sleeve can be processed into a corrugated pipe shape, so that the rigidity of the shielding sleeve is enhanced.
Drawings
FIG. 1 is a schematic flow chart of a first embodiment of a corrugation forming process for a motor shielding sleeve provided by the present invention;
FIG. 2 is a schematic flow chart of a corrugation forming process for a motor shielding sleeve according to a second embodiment of the present invention;
FIG. 3 is a schematic flow chart of a corrugation forming process for a motor shielding sleeve according to a third embodiment of the present invention;
FIG. 4 is a schematic flow chart of a corrugation forming process for a motor shielding sleeve according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a motor can corrugation forming process according to a fourth embodiment of the present invention;
fig. 6 is a partially enlarged view of a portion a in fig. 5.
Fig. 7 is a schematic structural view of the first mold.
Description of reference numerals: 1. a housing; 2. a stator; 3. an upper end ring; 4. a lower end ring; 5. a shielding sleeve; 6. a first mold; 7. a second mold; 8. expansion body
Detailed Description
The invention is described in detail below with reference to the drawings and examples. It should be understood that the specific embodiments described are merely illustrative of the invention and are not intended to limit the invention. Terms such as first, second, etc. in this document are only used for distinguishing one entity (or operation) from another entity (or operation), and do not indicate any relationship or order between these entities (or operations); in addition, terms such as upper, lower, left, right, front, rear, and the like in the text denote directions or orientations, and only relative directions or orientations, not absolute directions or orientations. Without additional limitation, an element defined by the phrase "comprising" does not exclude the presence of other elements in a process, method, article, or apparatus that comprises the element.
Referring to fig. 1, in a first embodiment of the corrugation forming process for the motor shielding sleeve provided by the present invention, the corrugation forming process for the motor shielding sleeve includes
S110: sleeving a corrugated mold with a corrugated surface on the inner wall on the periphery of the shielding sleeve 5;
s120: the expansion body 8 in the contraction state is arranged in the shielding sleeve 5;
s130: the expansion body 8 is radially expanded, the shield sleeve 5 is pressed and deformed by the expansion body 8 pressing the shield sleeve 5, and the outer wall surface of the shield sleeve 5 is attached to the inner wall surface of the corrugated mold, thereby forming a corrugated surface on the shield sleeve 5.
The expansion body 8 is arranged in the shielding sleeve 5, and the corrugated mold is sleeved on the periphery of the shielding sleeve 5 without being influenced.
Referring to fig. 2, in a second embodiment of the corrugation forming process of the motor shielding sleeve 5 provided by the present invention, the corrugation forming process of the motor shielding sleeve 5 includes:
s210: the expansion body 8 in the contraction state is arranged in the shielding sleeve 5;
s220: sleeving a corrugated mold with a corrugated surface on the inner wall on the periphery of the shielding sleeve 5;
s230: the expansion body 8 is radially expanded, the shield sleeve 5 is pressed and deformed by the expansion body 8 pressing the shield sleeve 5, and the outer wall surface of the shield sleeve 5 is attached to the inner wall surface of the corrugated mold, thereby forming a corrugated surface on the shield sleeve 5.
Alternatively, the shielding case 5 is fitted into the housing 1 before the shielding case 5 is pressed by the expansion body 8, and the housing 1 and the shielding case 5 of the motor are connected by an end ring of the motor to fix the relative position between the housing 1 and the shielding case 5.
Referring to fig. 3, in a third embodiment of the corrugation forming process of the motor shielding sleeve 5 provided by the present invention, the corrugation forming process of the motor shielding sleeve 5 includes:
s310: sleeving a corrugated mold on the periphery of the shielding sleeve 5;
s320: the shielding sleeve 5 and the corrugated die are arranged in the shell 1, and the shell 1 of the motor and the shielding sleeve 5 are connected through an end ring of the motor so as to fix the position of the shielding sleeve 5 through the shell 1;
s330: placing the expansion body 8 in the contracted state into the shielding sleeve 5;
s340: the expansion body 8 is radially expanded, the shield sleeve 5 is pressed and deformed by the expansion body 8 pressing the shield sleeve 5, and the outer wall surface of the shield sleeve 5 is attached to the inner wall surface of the corrugated mold, thereby forming a corrugated surface on the shield sleeve 5.
Optionally, the end ring includes an upper end ring 3 and a lower end ring 4, in the axial direction of the shielding sleeve 5, two ends of the shielding sleeve 5 are respectively connected to the upper end ring 3 and the lower end ring 4, and two ends of the casing 1 are respectively welded to the upper end ring 3 and the lower end ring 4; the corrugating die comprises a first die 6 and a second die 7; the first die 6 and the second die 7 are respectively located at both ends of the stator 2 of the motor in the axial direction.
Optionally, before installing the shielding sleeve 5 into the casing 1, the following steps are included:
fixing the lower end ring 4 at the lower end of the machine shell 1; sequentially loading a first die 6, a stator 2 and a second die 7 into the shell 1; the upper end ring 3 is fixed on the upper end of the casing 1.
Referring to fig. 4, in a fourth embodiment of the corrugation forming process of the motor shielding sleeve 5 provided by the present invention, the corrugation forming process of the motor shielding sleeve 5 includes:
s410: fixing the lower end ring 4 at the lower end of the machine shell 1; sequentially loading a first die 6, a stator 2 and a second die 7 into the shell 1; fixing an upper end ring 3 at the upper end of the machine shell 1;
s420: the shielding sleeve 5 is arranged in the machine shell 1, so that the first die 6 and the second die 7 are sleeved on the periphery of the shielding sleeve 5;
s430: connecting a casing 1 and a shielding sleeve 5 of the motor through an end ring of the motor to fix the position of the shielding sleeve 5 through the casing 1;
s440: the expansion body 8 in the contraction state is arranged in the shielding sleeve 5;
s450: the expansion body 8 is radially expanded, the shield sleeve 5 is pressed and deformed by the expansion body 8 pressing the shield sleeve 5, and the outer wall surface of the shield sleeve 5 is attached to the inner wall surface of the corrugated mold, thereby forming a corrugated surface on the shield sleeve 5.
In order to facilitate the resolution of the shielding 5 with a small thickness, the shielding 5 is generally in the shape of a circular tube before being pressed, and in fig. 5 and 6, the corrugations of the shielding 5 are drawn differently from those of the corrugation mold, and the shielding 5 does not fit the first mold 6 and the second mold 7.
Referring to fig. 7, optionally, annular grooves for accommodating coils of the stator 2 are formed on end surfaces, close to the stator 2, of the first mold 6 and the second mold 7;
and a winding wire leading-out hole is formed at the bottom of the annular groove of the first die 6.
Optionally, a plurality of transverse corrugations distributed in an axial direction of the shielding sleeve 5 are arranged on a corrugated surface on the inner wall of the corrugated mold;
optionally, the corrugation surface on the inner wall of the corrugation die is provided with corrugations distributed in a cylindrical spiral shape.
Optionally, the expansion body 8 is an expansion sleeve made of an elastic material, and after the shielding sleeve 5 is formed, the expansion body 8 is contracted to withdraw from the shielding sleeve 5;
optionally, the inflatable body 8 is a cylindrical balloon.
In addition, the invention also provides a motor encapsulating process, which is characterized in that after the motor shielding sleeve corrugation forming process is adopted, epoxy resin is filled into a cavity formed by the enclosure 1, the end ring and the shielding sleeve 5 in a surrounding mode after the shielding sleeve 5 is corrugated, and the corrugated mold and the motor stator 2 are encapsulated in the motor together.
Moreover, the invention also provides the shielding sleeve with the corrugated surface, which is formed by adopting the motor shielding sleeve corrugation forming process.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421905.6A CN113193709A (en) | 2021-04-20 | 2021-04-20 | Motor shielding sleeve corrugation forming process, encapsulating process and shielding sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110421905.6A CN113193709A (en) | 2021-04-20 | 2021-04-20 | Motor shielding sleeve corrugation forming process, encapsulating process and shielding sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113193709A true CN113193709A (en) | 2021-07-30 |
Family
ID=76977387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110421905.6A Pending CN113193709A (en) | 2021-04-20 | 2021-04-20 | Motor shielding sleeve corrugation forming process, encapsulating process and shielding sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113193709A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1290787A (en) * | 1961-06-03 | 1962-04-13 | Epoxylite Corp | Process for the coating of electrical components and articles produced according to this process |
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN103095023A (en) * | 2013-01-16 | 2013-05-08 | 大连理工大学 | A sealing structure for high pressure gapless attachment in the stator shielding sleeve of the nuclear main pump |
| CN207021813U (en) * | 2017-07-31 | 2018-02-16 | 浙江威格泵业有限公司 | A kind of housing of rotor |
| CN109950986A (en) * | 2017-12-21 | 2019-06-28 | 北京有色金属研究总院 | A method for improving the stability of the stator shielding sleeve of a shielded motor |
-
2021
- 2021-04-20 CN CN202110421905.6A patent/CN113193709A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1290787A (en) * | 1961-06-03 | 1962-04-13 | Epoxylite Corp | Process for the coating of electrical components and articles produced according to this process |
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN103095023A (en) * | 2013-01-16 | 2013-05-08 | 大连理工大学 | A sealing structure for high pressure gapless attachment in the stator shielding sleeve of the nuclear main pump |
| CN207021813U (en) * | 2017-07-31 | 2018-02-16 | 浙江威格泵业有限公司 | A kind of housing of rotor |
| CN109950986A (en) * | 2017-12-21 | 2019-06-28 | 北京有色金属研究总院 | A method for improving the stability of the stator shielding sleeve of a shielded motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |