CN210780469U - Simple vacuum filling and sealing device for motor - Google Patents
Simple vacuum filling and sealing device for motor Download PDFInfo
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- CN210780469U CN210780469U CN201921357852.0U CN201921357852U CN210780469U CN 210780469 U CN210780469 U CN 210780469U CN 201921357852 U CN201921357852 U CN 201921357852U CN 210780469 U CN210780469 U CN 210780469U
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Abstract
The utility model relates to a simple motor vacuum filling and sealing device, which comprises a vacuum box and a glue filling tool, wherein a box cover hermetically connected with the vacuum box is arranged at the opening at the top end of the vacuum box, the inner cavity of the vacuum box is connected with a vacuum pump through a pipeline, a stator coil and a stator core to be filled and sealed are arranged in the vacuum box, and a valve and a pressure gauge are arranged on the pipeline; the encapsulating frock suit is in the stator solenoid outside, and the lower terminal surface of this encapsulating frock laminates with stator core's terminal surface, and the encapsulating frock that is located stator core both ends passes through coupling assembling to be connected, and the sealing treatment is done with stator core's faying face to the encapsulating frock, has seted up the encapsulating hole on the encapsulating frock. Above-mentioned technical scheme just can realize motor vacuum embedment through evacuation subassembly and encapsulating frock, reasonable in design, simple structure when needs the single production motor as other facilities are supporting to be used or as the research to the motor, can use practicality, low cost through lower cost preparation or purchase some spare part equipment backs.
Description
Technical Field
The utility model relates to a motor embedment technical field, in particular to simple and easy type motor vacuum embedment device.
Background
When the motor is encapsulated, the phenomenon of air holes in the motor lead can occur in the atmospheric pressure state, the motor generates heat when the motor runs after encapsulation, the air holes expand, the encapsulated resin can crack, and the heat conduction effect is influenced by the existence of the air holes. The key factor for improving the quality of the electrode is to ensure that no air holes are formed in the motor coil. In order to solve the problems, the vacuum filling and sealing device is designed, but the existing vacuum filling and sealing device is large-scale automatic equipment, is high in cost, is suitable for mass production of motor manufacturers, is not suitable for colleges and scientific research units for testing and researching motors, and is not suitable for enterprises for single piece production.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple and easy type motor vacuum embedment device with low costs, encapsulating is of high quality.
In order to achieve the above object, the utility model adopts the following technical scheme: a motor vacuum filling and sealing device comprises a vacuum box and a glue filling tool, wherein a box cover hermetically connected with the vacuum box is arranged at an opening at the top end of the vacuum box, an inner cavity of the vacuum box is connected with a vacuum pump through a pipeline, a stator core and a stator coil to be filled and sealed are arranged in the vacuum box, and a valve and a pressure gauge are arranged on the pipeline; the encapsulating tool is sleeved outside the stator coil, the lower end face of the encapsulating tool is attached to the end face of the stator core, the encapsulating tools located at two ends of the stator core are connected through the detachable connecting assembly, the bonding face of the encapsulating tool and the stator core is subjected to sealing treatment, and encapsulating holes are formed in the encapsulating tool.
Furthermore, the bottom surface of the box cover is provided with a convex block and a convex ring, the convex ring is arranged on the outer side of the convex block, and the convex block is higher than the convex ring.
Furthermore, the top surface of the vacuum box is provided with a groove which is matched with the convex ring and used for installing a sealing ring, and the inner wall of the vacuum box is provided with an annular sealing platform which is attached to the end face of the convex block.
Furthermore, a sealing groove for installing a sealing ring is formed in the top surface of the sealing table.
Further, the lug gradually shrinks downwards to form a frustum.
Further, the cross section of the glue pouring tool is in a pi shape, a cavity formed by the middle bulge part of the glue pouring tool is sleeved on the outer side of the stator coil, a plurality of connecting holes are formed in flanges on two sides of the bottom end of the pi-shaped glue pouring tool, and glue pouring holes are formed in the top surface of the glue pouring tool.
The utility model has the advantages that: the utility model discloses an evacuation subassembly and encapsulating frock just can realize the vacuum embedment of motor, reasonable in design, simple structure, when needing the supporting use of other facilities of stick production motor or as the research to the motor, can be through lower cost preparation or purchase some spare part equipment backs, can use, the practicality is strong, low cost, reduction unit price production motor enterprise's manufacturing cost and colleges and universities and research institution's research cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:
fig. 1 is a schematic connection diagram of the present invention;
FIG. 2 is a schematic view of the structure of a vacuum box;
FIG. 3 is a schematic view of the connection relationship between the stator core, the stator coil and the potting tool;
fig. 4 is a schematic perspective structure diagram of the glue pouring tool.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Spatially relative terms, such as "above … …," above … …, "" above … …, and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures, and it is to be understood that spatially relative terms are intended to encompass different orientations of use or operation in addition to the orientation of the device as depicted in the figures. For example, if the device in the figures is turned over, it would be described as "under" or "beneath" other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Example 1: as shown in fig. 1, 2 and 3, a vacuum filling and sealing device for a motor comprises a vacuum box 1 and a glue filling tool 11, wherein a box cover 2 connected with the vacuum box 1 in a sealing manner is arranged at an opening at the top end of the vacuum box 1, an inner cavity of the vacuum box 1 is connected with a vacuum pump 5 through a pipeline, a stator core 13 and a stator coil 11 to be filled and sealed are arranged in the vacuum box 1, the stator coil 11 is arranged at two ends of the stator core 13, the stator coil 11 and a connection mode between the stator core 13 and the stator coil 11 are the prior art, and the protection content of the utility model is not required, so that the structures of the stator core 13 and the stator coil 11 and the connection mode between the stator core 13 and the stator coil; the encapsulating tool 11 is sleeved outside a stator coil 12 of a motor stator, the lower end face of the encapsulating tool 11 is attached to the end face of a stator core 13 of the motor, the encapsulating tools 11 located at two ends of the stator core 13 are connected through a detachable connecting component 14, the bonding face of the encapsulating tool 11 and the bonding face of the stator core 13 are subjected to sealing treatment, and an encapsulating hole 15 is formed in the encapsulating tool 11.
Wherein, coupling assembling 14 is screw rod and bolt, also can adopt split bolt to make two encapsulating frock 11 that are located stator core 13 can dismantle the connection, as long as can realize two encapsulating frock 11 can dismantle the connection can.
In addition, the potting tool 11 and the stator core 13 are directly sealed to form a sealing layer 20, or a sealing ring is arranged between the potting tool 11 and the stator core 13 to prevent epoxy resin glue from flowing out during potting.
In this embodiment, the bottom surface of the case cover 2 is provided with a projection 7 and a collar 6, the collar 6 is disposed outside the projection 7, and the projection 7 is higher than the collar 6.
In this embodiment, 1 top surface of vacuum box is equipped with the recess 8 that is used for installing the sealing washer that matches with bulge loop 6, and installation sealing washer in the recess 8 compresses tightly the sealing washer through bulge loop 6, is that the sealing washer takes place deformation to guarantee sealed effect. Meanwhile, an annular sealing table 10 attached to the end face of the bump 7 is arranged on the inner wall of the vacuum box 1, and the annular sealing table 10 and the inner wall of the vacuum box 1 form an accommodating cavity 101 for accommodating the bump 7. With the vacuum box 1 and the box cover 2 provided by the embodiment, after the box cover 2 is covered on the vacuum box 1, the convex ring 6 is pressed on the sealing ring arranged in the groove 8 to form a first sealing surface; the lug 7 is located and holds the chamber 101, and its terminal surface forms the sealed face of second with the laminating of annular sealing platform 10, adopts double-deck seal structure, guarantees sealed effect, improves vacuum chamber 1's operational reliability.
In order to further improve the sealing effect and prevent air leakage, a sealing groove 9 for installing a sealing ring is arranged on the top surface of the sealing table 10.
In order to quickly buckle the box cover 2 on the vacuum box 1, the convex block 7 gradually shrinks downwards to form a frustum which is designed to facilitate self-centering when the box cover 2 is covered.
It should be noted that: the cylindrical shape of the vacuum box 1 and the box cover 2 shown in fig. 2 is not limited to the one shown in the drawings, but the vacuum box 1 may be formed in a rectangular parallelepiped, a square or other shape, and the box cover 2 may be formed in a shape matching the vacuum box 1.
Referring to fig. 4, the cross section of the glue filling tool 11 provided by this embodiment is pi-shaped, a cavity formed by the middle bulge portion 20 is sleeved outside the stator coil 12, the flanges at two sides of the bottom end of the pi-shaped glue filling tool 11 are both provided with a plurality of connecting holes 17, and the top surface of the glue filling tool 11 is provided with a glue filling hole 15. The potting tool 11 shown in fig. 4 is a circular ring, and the potting tool 11 may be made into other shapes as other embodiments not shown in the drawings, but it is necessary to ensure that the shape of the potting tool 11 is consistent with the shape of the stator coil 12. In this embodiment, the two side flanges of the protruding portion 20 are respectively an inner connecting bar 16 and an outer connecting bar 18, and a plurality of connecting holes 17 are respectively formed on the inner connecting bar 16 and the outer connecting bar 18, and the connecting holes 17 are used for passing through the connecting component 14.
Adopt the utility model discloses carry out the embedment step of embedment to motor stator, as follows: firstly, the filling tool 11 is sleeved outside the stator coil 12, the filling tools 12 at two ends of the stator core 13 are connected through the connecting component 14, the joint surfaces of the stator core 13 and the filling tool 11 are bonded through sealant, and epoxy resin glue liquid is prevented from flowing out during filling and sealing. After assembly, the matched stator coil 12, the stator core 13 and the filling tool 11 are placed inside the vacuum box 1, the matched glue solution is poured into the tool at a glue filling hole, the tool is filled, the cover plate is covered, the vacuum pump 11 is started to vacuumize the inside of the vacuum box 1 according to requirements, the valve 4 is closed after the required vacuum degree is reached, the vacuum pump 11 is closed to maintain pressure, the valve 4 is opened after the required vacuum degree is reached, the inside of the vacuum box 1 is consistent with the atmospheric pressure, the glue solution can be seen to descend at the moment, glue is supplemented and filled, the vacuum is pumped again according to the mode, the fact that the glue material inside the motor coil is filled tightly after filling and sealing can be guaranteed, and air holes cannot be generated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A simple motor vacuum filling and sealing device is characterized by comprising a vacuum box and a glue filling tool, wherein a box cover hermetically connected with the vacuum box is arranged at an opening at the top end of the vacuum box, an inner cavity of the vacuum box is connected with a vacuum pump through a pipeline, a stator coil and a stator core to be filled and sealed are arranged in the vacuum box, and a valve and a pressure gauge are arranged on the pipeline; the encapsulating tool is sleeved outside the stator coil, the lower end face of the encapsulating tool is attached to the end face of the stator core, the encapsulating tools located at two ends of the stator core are connected through the detachable connecting assembly, the bonding face of the encapsulating tool and the stator core is subjected to sealing treatment, and encapsulating holes are formed in the encapsulating tool.
2. The simple motor vacuum filling and sealing device as claimed in claim 1, wherein a protrusion and a protruding ring are disposed on the bottom surface of the box cover, the protruding ring is disposed outside the protrusion, and the protrusion is higher than the protruding ring.
3. The simple motor vacuum filling and sealing device as claimed in claim 2, wherein the top surface of the vacuum box is provided with a groove matched with the convex ring for installing the sealing ring, and the inner wall of the vacuum box is provided with an annular sealing platform attached to the end face of the convex block.
4. The vacuum encapsulation device for the simple motor as claimed in claim 3, wherein a sealing groove for installing a sealing ring is formed on the top surface of the sealing table.
5. The simplified motor vacuum filling and sealing device as claimed in claim 2, wherein the projection is tapered downward to form a frustum.
6. The simple motor vacuum filling and sealing device of claim 1, wherein the cross section of the glue filling tool is pi-shaped, a cavity formed by the middle bulge part of the glue filling tool is sleeved outside the stator coil, a plurality of connecting holes are formed in flanges at two sides of the bottom end of the pi-shaped glue filling tool, and a glue filling hole is formed in the top surface of the glue filling tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357852.0U CN210780469U (en) | 2019-08-21 | 2019-08-21 | Simple vacuum filling and sealing device for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921357852.0U CN210780469U (en) | 2019-08-21 | 2019-08-21 | Simple vacuum filling and sealing device for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210780469U true CN210780469U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921357852.0U Active CN210780469U (en) | 2019-08-21 | 2019-08-21 | Simple vacuum filling and sealing device for motor |
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| Country | Link |
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| CN (1) | CN210780469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531995A (en) * | 2020-11-27 | 2021-03-19 | 浙江方远四福机电有限公司 | Epoxy pouring method for motor stator and special tool thereof |
-
2019
- 2019-08-21 CN CN201921357852.0U patent/CN210780469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531995A (en) * | 2020-11-27 | 2021-03-19 | 浙江方远四福机电有限公司 | Epoxy pouring method for motor stator and special tool thereof |
| CN112531995B (en) * | 2020-11-27 | 2021-11-16 | 浙江方远四福机电有限公司 | Epoxy pouring method for motor stator and special tool thereof |
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