CN114221507A - Filling and sealing device, filling and sealing process and molecular pump - Google Patents
Filling and sealing device, filling and sealing process and molecular pump Download PDFInfo
- Publication number
- CN114221507A CN114221507A CN202111567085.8A CN202111567085A CN114221507A CN 114221507 A CN114221507 A CN 114221507A CN 202111567085 A CN202111567085 A CN 202111567085A CN 114221507 A CN114221507 A CN 114221507A
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- mandrel
- motor
- glue
- filling
- potting
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- 238000011049 filling Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000003292 glue Substances 0.000 claims abstract description 70
- 238000005538 encapsulation Methods 0.000 claims abstract description 26
- 238000004382 potting Methods 0.000 claims description 39
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 8
- 238000004080 punching Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a filling and sealing device, which is used for filling and sealing a motor and comprises: the mandrel is inserted into the inner hole of the motor; the expansion assembly is used for expanding the mandrel so that the outer side wall of the mandrel is in close contact with the stator of the motor; the expansion assembly is of a hollow structure and is arranged in the mandrel; the invention also discloses an encapsulating process and an encapsulating device applying the encapsulating process. The hollow expansion assembly is innovatively arranged, the elastic capacity of the expansion mandrel is increased and the extrusion force of the mandrel is reduced on the premise that the mandrel expansion function is realized by the expansion assembly, so that the danger that the mandrel is damaged is solved, and the cost problem caused by frequent replacement of the mandrel is solved; on the other hand, the reduction of the extrusion force is convenient for manual demoulding, and the problem that the surface of the motor is damaged by a punching machine or a hammer is solved; the encapsulation process disclosed by the invention is reasonable in design, the problem of bubbles generated inside the glue in the encapsulation process is effectively solved, and the encapsulation quality of the molecular pump motor is improved.
Description
Technical Field
The invention relates to the technical field of encapsulation, in particular to an encapsulation device, an encapsulation process and a molecular pump.
Background
The motor is an important component of a molecular pump. The motor coil can produce a large amount of heat when the molecular pump is in operation, because the motor coil in vacuum environment and with the motor metal casing mix with the insulating layer between, be unfavorable for the heat-conduction in the coil, long-time heavy current operation easily leads to the motor to overheat and burns out. Therefore, in order to enhance the heat dissipation performance of the motor coil and improve the running stability of the molecular pump, glue needs to be used for encapsulating the motor coil part.
The current encapsulation device comprises a mandrel and a solid expansion mandrel; the mandrel is matched with the inner hole of the motor, and the solid expanding mandrel is inserted into the mandrel for extrusion support. The solid expanding mandrel has poor elastic deformation capability and serious extrusion to the mandrel, so that the mandrel is easily damaged by silicon steel sheets of a molecular pump motor stator during demolding, the filling and sealing cost is high due to frequent replacement of the mandrel, but the quality problem of the filling and sealing surface of the motor is caused due to untimely replacement of the mandrel; (2) because the solid tight dabber that expands extrudees the dabber seriously for they are very inseparable with the motor hole cooperation, need use hammer or punching machine to carry out the punching press during the drawing of patterns, cause the injury to other positions of motor easily.
Disclosure of Invention
In view of the above, the present invention provides an encapsulation device. The invention also provides a potting process using the potting device, and a molecular pump for potting a motor by using the potting process.
In order to achieve the purpose, the invention provides the following technical scheme:
an encapsulation device for encapsulating an electric machine, comprising:
the mandrel is inserted into the inner hole of the motor;
an expansion assembly for expanding the mandrel to bring an outer sidewall of the mandrel into close contact with a stator of the motor;
wherein, expansion component is hollow structure, sets up in the dabber is inside.
Optionally, in the potting device, a first exhaust hole group is formed on the mandrel; the expansion assembly is provided with a second exhaust hole group; the first exhaust hole group is opposite to the second exhaust hole group.
Optionally, in the encapsulating device, the first exhaust hole group comprises a plurality of first exhaust holes; a plurality of exhaust holes are circumferentially arranged on the mandrel; the second exhaust hole group comprises a plurality of second exhaust holes; the plurality of exhaust holes are circumferentially arranged on the expansion component.
Optionally, in the potting device, a plurality of groups of first exhaust holes are arranged; a plurality of groups of the first exhaust holes are arranged along the axial direction of the mandrel; a plurality of groups of exhaust hole groups are arranged; and the multiple groups of the second exhaust hole groups are axially arranged along the expansion assembly.
Optionally, in the potting device, a blocking structure is arranged at the bottom of the mandrel; the blocking structure is used for blocking partial space of a lower spigot of the motor.
Optionally, in the potting device, the blocking structure is a step surface structure; the step surface structure compresses the lower spigot.
Optionally, in the potting device, the mandrel is in clearance fit with a stator of the motor; the expansion assembly is in interference fit with the mandrel.
An encapsulation process is suitable for the encapsulation device, and comprises the following steps:
(a) matching the motor with the filling and sealing device, and putting the motor into an oven for baking;
(b) preparing glue, and carrying out air bubble removal treatment on the glue;
(c) after the step (a) is finished, injecting the glue obtained in the step (b) from a glue injection port at the bottom of the motor to realize glue injection from the bottom of the motor;
(d) when the liquid level of the glue reaches the exhaust hole, the exhaust hole is blocked, and then the glue is continuously filled;
(e) after the glue filling is finished, placing the motor and the filling and sealing device into an oven for baking;
(f) after the step (e) is finished, carrying out normal-temperature curing;
(g) demolding the encapsulating device;
(h) cleaning the encapsulating device;
wherein the order of step (a) and step (b) can be switched or performed simultaneously.
Optionally, in the potting process, in step (a), the step of matching the motor with the potting device is:
(a1) inserting a mandrel of the filling and sealing device into an inner hole of the motor;
(a2) expanding the mandrel by using an expansion assembly of the encapsulating device until the outer side wall of the mandrel is in close contact with the stator of the motor.
Optionally, in the potting process, in the step (c), glue is injected from a glue injection port at the bottom of the motor at a fixed quantity and a fixed speed by using a glue dispensing device.
The invention also provides a molecular pump, which comprises a motor; the motor is encapsulated by the encapsulation process.
The filling and sealing device provided by the invention is provided with a hollow mandrel and a hollow expansion assembly; the hollow expansion assembly is arranged in the hollow mandrel, the mandrel is expanded through the expansion of the expansion assembly, and the outer side wall of the mandrel is in close contact with the stator of the motor; the outer side wall of the mandrel forms a containing wall when the stator is filled with glue; the invention is innovatively provided with the hollow expansion assembly, the expansion assembly greatly weakens the extrusion of the mandrel on the premise of realizing the expansion function of the mandrel, on one hand, the mandrel is prevented from being worn by silicon steel sheets in the stator, on the other hand, the extrusion force is reduced, manual demoulding can be realized, and the motor and the encapsulating device can be better protected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the potting apparatus of the present invention;
fig. 2 is a flow chart of the potting process of the present invention.
In fig. 1:
1-mandrel, 2-expansion component and 3-molecular pump motor;
101-exhaust hole group one, 201-exhaust hole group two.
Detailed Description
The invention provides a filling and sealing device, a filling and sealing process with the filling and sealing device, and a molecular pump for filling and sealing a motor by using the filling and sealing process.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a potting apparatus for potting a motor, including: a mandrel 1 and an expansion assembly 2; wherein the mandrel 1 and the expansion component 2 are both hollow structures; when the motor is encapsulated, the mandrel 1 is inserted into an inner hole of the motor; then inserting the expansion component 2 into the mandrel 1; the expansion assembly 2 performs an expansion action, and further expands the wall of the mandrel 1 outwards until the outer side wall of the mandrel 1 is in close contact with the stator of the motor.
Wherein need to explain, in order to guarantee that dabber inflation effect is more even, with the expansion dabber concentric arrangement inside the dabber.
It should be noted that the above-mentioned motor may be a molecular pump motor.
The molecular pump motor 3 includes: a stator; the stator includes: silicon steel sheets and coils; winding a silicon steel sheet by a coil; the mandrel is placed in an inner hole of the molecular pump motor and is in contact with a silicon steel sheet of the stator, and a space for accommodating glue of the stator is determined around the outer side wall of the mandrel.
The hollow expansion assembly is arranged in the hollow mandrel, the mandrel is expanded through the expansion of the expansion assembly, and the outer side wall of the mandrel is in close contact with a stator of a molecular pump motor; the outer side wall of the mandrel forms a containing wall when the stator is filled with glue; the hollow expansion assembly is innovatively arranged, the elastic capacity of the expanding mandrel is increased and the extrusion force of the mandrel is reduced on the premise that the expansion function of the mandrel is realized by the expansion assembly, so that the danger that the mandrel is damaged is solved, and the cost problem caused by frequent replacement is solved; on the other hand, the reduction of the extrusion force is convenient for manual demoulding, and the problem that a punching machine or a hammer damages the surface of the motor is solved.
In some embodiments of the present invention, a first exhaust hole group 101 is disposed on the mandrel 1; the expansion component 2 is provided with a second exhaust hole group 201; the first exhaust hole set 101 is opposite to the second exhaust hole set 201.
The exhaust holes are innovatively formed in the core shaft and the expansion core shaft; the setting in exhaust hole is gaseous edgewise discharge when being convenient for the encapsulating, has reduced the production of bubble.
During encapsulation, glue is injected from the bottom of the molecular pump motor; stopping filling the glue when the glue liquid level reaches the vent hole, and manually plugging the vent hole; and then the glue filling is continued. When the liquid level reaches the vent hole, the vent hole is blocked, and the injected glue is ensured not to flow out through the vent hole.
In some embodiments of the present invention, the first exhaust hole set 101 comprises a plurality of first exhaust holes; a plurality of exhaust holes are circumferentially distributed on the mandrel 1;
the second exhaust hole group 201 comprises a plurality of second exhaust holes; the plurality of exhaust holes are circumferentially arranged on the expansion assembly 2.
Through a plurality of exhaust holes of circumference setting, gaseous can the omnidirectional evenly discharge, further reduced the production of bubble.
Furthermore, a plurality of exhaust holes I are uniformly and circumferentially distributed on the mandrel; the second exhaust holes are uniformly and circumferentially distributed on the expansion assembly. The plurality of exhaust holes are uniformly arranged in the circumferential direction, so that the comprehensive uniform exhaust performance of gas is optimal.
In some embodiments of the present invention, the first exhaust hole set 101 is provided with a plurality of sets; a plurality of groups of exhaust hole groups I101 are arranged at intervals along the axial direction of the mandrel 1; a plurality of groups of exhaust hole groups II 201 are arranged; the plurality of sets of exhaust holes 201 are arranged at intervals along the axial direction of the expansion assembly 2.
Be provided with multiunit vent group in the axis direction, guarantee at the whole in-process of encapsulating, glue in every height all has rather than the exhaust hole that is most moderate apart from, guarantees that the gas all can be discharged from nearest exhaust hole fast among the encapsulating process, reduces the production of bubble. When the glue liquid level reaches the height of the designated exhaust hole group, all the exhaust holes of the exhaust hole group on the height are manually plugged, and then glue filling is continued. The exhaust hole is plugged, and the injected glue is ensured not to flow out through the exhaust hole.
In some embodiments of the present invention, the bottom of the mandrel 1 is provided with a blocking structure; the plugging structure is used for plugging partial space of a lower spigot of the motor.
Wherein, the space which is not blocked by the lower spigot is used as the bottom glue filling opening of the molecular pump motor.
The lower spigot part of the molecular pump motor is blocked, a bottom glue filling opening is reserved, glue filling from the bottom of the molecular pump motor is achieved, and therefore gas is discharged from the gas discharge hole continuously in the glue filling process.
In some embodiments of the invention, the blocking structure is a stepped surface structure; the step surface structure compresses the lower spigot.
The bottom of the mandrel is provided with an integrally connected step structure, and the arrangement is simple in structure and convenient to produce; and the smart sealing and plugging of the lower spigot of the molecular pump motor are realized, and the technical effect is very beneficial.
In addition, the blocking structure can also adopt other structures, for example, the blocking structure is an independent blocking component and is arranged independently of the mandrel; when the sealing device works, the lower spigot is partially sealed by the sealing piece, and a glue pouring opening at the bottom is reserved.
In some embodiments of the invention, the spindle 1 is clearance fitted with the stator of the motor; the expansion assembly 2 is in interference fit with the mandrel 1. The mounting structure of the invention has simple assembly of components and very convenient operation.
The invention provides an encapsulating process which is suitable for the encapsulating device.
Since the potting process is suitable for the potting device, and the potting device has the mandrel and the expansion assembly, the beneficial effects of the potting process brought by the mandrel and the expansion assembly are please refer to the above contents, and are not described herein again.
The traditional encapsulating process comprises the following steps:
(a) mounting the potting device on the motor;
(b) preparing glue and carrying out air bubble removal treatment on the glue;
(c) manually pouring a small amount of glue from the motor lead, standing for several minutes, and continuing manual glue filling until the glue covers the motor lead;
(d) standing and curing at normal temperature;
(e) demolding and checking the encapsulation effect;
(f) and cleaning the encapsulation device.
The existing encapsulation technology is that firstly, a filling and sealing device and a motor are well matched, then air bubble exhausting treatment is carried out on glue, and then manual glue filling is carried out on the motor for multiple times. The disadvantages of this approach are: (1) the glue is supplemented for many times, the consistency of the solidified form is poor, and air bubbles are easily formed to cause waste products; (2) due to the introduction of air bubbles in the glue filling process and the flowability of the glue, air bubbles exist on the filling and sealing surface, and the filling and sealing quality is affected.
As shown in fig. 2, the present invention provides a potting process, which is suitable for the above-mentioned potting apparatus, and comprises the following steps:
(a) matching the motor with the filling and sealing device, and putting the motor into an oven for baking;
(b) preparing glue, and carrying out air bubble removal treatment on the glue;
(c) after the step (a) is finished, injecting the glue obtained in the step (b) from a bottom glue injection port of the motor to realize glue injection from the bottom of the motor;
(d) when the liquid level of the glue reaches the vent hole, the vent hole is blocked, and then the glue is continuously filled;
(e) after the glue filling is finished, placing the motor and the filling and sealing device into an oven for baking;
(f) after the step (e) is finished, carrying out normal temperature curing;
(g) demolding the encapsulating device;
(h) cleaning the filling and sealing device;
wherein the order of step (a) and step (b) can be switched or performed simultaneously.
Compared with the existing encapsulation process, the encapsulation process provided by the invention has the advantages that when the motor of the molecular pump is encapsulated, the matched motor and the encapsulation device are baked, and the fluidity of the injected glue is increased due to the higher temperature of the motor and the encapsulation device during encapsulation, so that the glue fills each gap to a greater extent; the invention solves the problem of air bubble generation in the glue through a reasonably designed filling and sealing process, and improves the filling and sealing quality of the molecular pump motor.
The step (a) and the step (b) are carried out simultaneously, and glue preparation work is carried out while the encapsulating device and the motor are baked, so that the time of the whole process is greatly shortened.
In some embodiments of the present invention, in the step (a), the step of matching the motor with the potting device comprises:
(a1) inserting a core shaft of the filling and sealing device into an inner hole of the motor;
(a2) the mandrel is expanded with an expansion assembly of the potting apparatus until the outside wall of the mandrel is in intimate contact with the stator of the motor.
Since the potting process is suitable for the potting device, and the potting device has the mandrel and the expansion assembly, the beneficial effects of the potting process brought by the mandrel and the expansion assembly are please refer to the above contents, and are not described herein again.
Further, the baking time of the step (a) is 1 h; the baking time in the step (e) is 1 h. The control of the baking time is short in time consumption on the premise of realizing the function. Wherein, it needs to be explained that the baking time can be flexibly adjusted according to the performance of the glue.
Further, in the step (g), after the potting device is demolded, the potting effect is checked.
By checking the encapsulation effect, whether the process steps have deviation in actual operation can be further checked, and the adaptability can be adjusted.
Further, the glue is organic epoxy glue.
The glue of embedment uses organic epoxy to glue macromolecular material, can effectively wrap up the coil to machine epoxy has better heat conductivity, can in time conduct the air with the heat that produces in the work of molecular pump motor, has avoided the overheated damage of molecular pump motor.
In some embodiments of the present invention, in step (c), the glue is injected from the bottom glue filling port of the motor at a constant amount and constant speed by using a glue dispensing device.
The glue is encapsulated by the glue dispensing equipment at a fixed quantity and a fixed speed, so that the consistency of the solidified glue is improved.
On the basis of the encapsulating process, the invention also provides a molecular pump which comprises a motor; and (4) encapsulating the motor by adopting the encapsulating process.
The encapsulation process is adopted when the motor of the molecular pump is encapsulated, so that the beneficial effects of the encapsulation process of the motor of the molecular pump are shown in the above contents, and are not described again.
The components and devices referred to in the present disclosure are provided as illustrative examples only and are not intended to require or imply that they must be connected, arranged, or configured as shown in the accompanying drawings. These components, devices may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
It is further noted that in the apparatus of the present invention, the components may be disassembled and/or reassembled. These decompositions and/or recombinations are to be regarded as equivalents of the present invention.
The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the invention. Thus, the present invention is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the invention to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (10)
1. The utility model provides an embedment device for carry out the embedment to the motor, its characterized in that includes:
the mandrel (1) is inserted into an inner hole of the motor;
an expansion assembly (2) for expanding the mandrel (1) so that the outer side wall of the mandrel (1) is in close contact with the stator of the motor;
wherein: the expansion component (2) is of a hollow structure and is arranged inside the mandrel (1).
2. The potting device of claim 1, wherein a first exhaust hole group (101) is opened on the mandrel (1); the expansion component (2) is provided with a second exhaust hole group (201); the first exhaust hole group (101) is opposite to the second exhaust hole group (201).
3. The potting device of claim 2, wherein the first set of exhaust holes (101) comprises a plurality of first exhaust holes; a plurality of exhaust holes are circumferentially arranged on the mandrel (1); the second exhaust hole group (201) comprises a plurality of second exhaust holes; the plurality of exhaust holes are circumferentially arranged on the expansion component (2).
4. The potting device of claim 2 or 3, wherein the first set of exhaust holes (101) is provided with a plurality of sets; a plurality of groups of the first exhaust holes (101) are axially arranged along the mandrel (1); a plurality of groups of the second exhaust hole group (201) are arranged; and a plurality of groups of second exhaust holes (201) are axially arranged along the expansion component (2).
5. The potting device of claim 1, wherein the bottom of the mandrel (1) is provided with a plugging structure; the blocking structure is used for blocking partial space of a lower spigot of the motor.
6. The potting device of claim 5, wherein the blocking structure is a stepped surface structure; the step surface structure compresses the lower spigot.
7. The potting device of claim 1, wherein the mandrel (1) is clearance-fitted with a stator of the electric machine; the expansion component (2) is in interference fit with the mandrel (1).
8. An encapsulation process, which is suitable for the encapsulation device according to any one of claims 1 to 7, and comprises the following steps:
(a) matching the motor with the filling and sealing device, and putting the motor into an oven for baking;
(b) preparing glue, and carrying out air bubble removal treatment on the glue;
(c) after the step (a) is finished, injecting the glue obtained in the step (b) from a glue injection port at the bottom of the motor to realize glue injection from the bottom of the motor;
(d) when the liquid level of the glue reaches the exhaust hole, the exhaust hole is blocked, and then the glue is continuously filled;
(e) after the glue filling is finished, placing the motor and the filling and sealing device into an oven for baking;
(f) after the step (e) is finished, carrying out normal-temperature curing;
(g) demolding the encapsulating device;
(h) cleaning the encapsulating device;
wherein the order of step (a) and step (b) can be switched or performed simultaneously.
9. The potting process of claim 8, wherein in step (a), the step of engaging the motor with the potting apparatus is:
(a1) inserting a mandrel of the filling and sealing device into an inner hole of the motor;
(a2) expanding the mandrel by using an expansion assembly of the encapsulating device until the outer side wall of the mandrel is in close contact with the stator of the motor.
10. A molecular pump comprising a motor; the motor is encapsulated, and the encapsulating process is characterized by being adopted by the encapsulating process of claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567085.8A CN114221507A (en) | 2021-12-20 | 2021-12-20 | Filling and sealing device, filling and sealing process and molecular pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567085.8A CN114221507A (en) | 2021-12-20 | 2021-12-20 | Filling and sealing device, filling and sealing process and molecular pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114221507A true CN114221507A (en) | 2022-03-22 |
Family
ID=80704565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111567085.8A Pending CN114221507A (en) | 2021-12-20 | 2021-12-20 | Filling and sealing device, filling and sealing process and molecular pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221507A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115552A1 (en) * | 2004-11-26 | 2006-06-01 | Fujitsu Limited | Mold die |
| CN201786299U (en) * | 2010-09-29 | 2011-04-06 | 中国石油集团西部钻探工程有限公司 | Positioning pressure release device for expansion tube |
| CN202586673U (en) * | 2012-05-23 | 2012-12-05 | 上海博建电子科技有限公司 | Stator filling and sealing structure of motor |
| CN207053345U (en) * | 2017-05-16 | 2018-02-27 | 雷勃电气（苏州）有限公司 | A kind of epoxy potting structure of surface-mount type high-speed permanent magnet motor |
| CN109888999A (en) * | 2019-02-28 | 2019-06-14 | 浙江汇迅骏机电技术有限公司 | Motor stator epoxy sealing method |
-
2021
- 2021-12-20 CN CN202111567085.8A patent/CN114221507A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060115552A1 (en) * | 2004-11-26 | 2006-06-01 | Fujitsu Limited | Mold die |
| CN201786299U (en) * | 2010-09-29 | 2011-04-06 | 中国石油集团西部钻探工程有限公司 | Positioning pressure release device for expansion tube |
| CN202586673U (en) * | 2012-05-23 | 2012-12-05 | 上海博建电子科技有限公司 | Stator filling and sealing structure of motor |
| CN207053345U (en) * | 2017-05-16 | 2018-02-27 | 雷勃电气（苏州）有限公司 | A kind of epoxy potting structure of surface-mount type high-speed permanent magnet motor |
| CN109888999A (en) * | 2019-02-28 | 2019-06-14 | 浙江汇迅骏机电技术有限公司 | Motor stator epoxy sealing method |
Non-Patent Citations (2)
| Title |
|---|
| 侯发亮, 武汉大学出版社 * |
| 陈祥宝: "《塑料工业手册 热固性塑料加工工艺与设备》", 31 January 2001, 化学工业出版社 * |
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