CN113452224A - Method for filling glue into motor stator under normal pressure - Google Patents
Method for filling glue into motor stator under normal pressure Download PDFInfo
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- CN113452224A CN113452224A CN202110851899.8A CN202110851899A CN113452224A CN 113452224 A CN113452224 A CN 113452224A CN 202110851899 A CN202110851899 A CN 202110851899A CN 113452224 A CN113452224 A CN 113452224A
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- stator
- column
- motor
- stator body
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- 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
- H02K15/10—Applying solid insulation to windings, stators or rotors
-
- 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
- H02K15/10—Applying solid insulation to windings, stators or rotors
- H02K15/105—Applying solid insulation to windings, stators or rotors to the windings
-
- 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 relates to the field of filling and sealing processes, in particular to a method for filling glue into a stator of a motor under normal pressure, and provides a scheme. The invention solves the problem that bubbles are easy to generate in the encapsulating mode in the prior art, and avoids the reduction of the density of the encapsulating colloid.
Description
Technical Field
The invention relates to the field of filling and sealing processes, in particular to a method for filling glue into a motor stator under normal pressure.
Background
In the motor potting process, during potting, glue is generally injected into a cavity formed between a winding coil and a stator body from the top surface of the stator body to complete potting of a motor, the glue is injected from top to bottom in a mode that air is left in the glue to form bubbles, so that the density of the glue is reduced, the potting quality is affected, in some potting processes, one side part, close to a core column, of the top of the winding coil needs to be potted, so that the glue is attached to the surface of the winding coil, if the cavity formed between the winding coil and the core column is directly potted, the glue flows to the inner diameter of the stator, the size of the inner diameter of the stator is changed after the glue is solidified, subsequent tools are not facilitated to be disassembled and assembled, and a cleaning process of the potting glue on the surface of the inner diameter of the stator is needed to be added, which not only affects the production efficiency of the motor, but also has certain operation difficulty in the washing and potting process, the method is not easy to realize, so that a motor stator glue filling method and a motor stator glue filling device capable of solving the problems are needed in the industry.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for filling glue into a motor stator under normal pressure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for encapsulating a motor stator under normal pressure is disclosed, wherein the motor comprises a stator body, the bottom surface of the stator body is connected with a first base, the top surface of the stator body is connected with a second base, a core column is arranged in the stator body, two ends of the core column are respectively and rotatably connected with the first base and the second base, the top surface of the first base is fixedly connected with a baffle ring, the baffle ring is positioned on the outer side of the core column, a coil winding is arranged in the core column, the coil winding is positioned on the outer side of the core column, and the winding bottom end of the coil winding is erected on the outer side of the baffle ring;
the method comprises the steps that a glue barrel filled with glue is connected with a first base through a guide pipe, the glue flows from the first base of a motor to a second cavity formed by a stator body and a coil winding through the guide pipe, and the stator body is placed in a vacuum paint dipping tank for vacuumizing and standing treatment.
Further, the core column and the coil winding form a first cavity, and the first cavity is communicated with a second cavity.
Furthermore, the first base is detachably connected with the bottom surface of the stator body, the first base is fixedly connected with the stator body through a second bolt, the second base is detachably connected with the top surface of the stator body, and the second base is fixedly connected with the top surface of the stator body through the first bolt.
Further, the feed inlet has been seted up to the bottom surface of first base, pipe fixedly connected with connector, connector and feed inlet threaded connection.
And further, the potting adhesive flows into the first cavity from the top end of the winding through the second cavity and is attached to one side, close to the core column, of the coil winding, when the distance between the bottom end of the potting adhesive in the first cavity and the top end of the winding is 4-5cm, the potting adhesive is stopped, the potting adhesive is filled, the filled motor is placed into a paint baking room to be baked for 1-1.5h, and then the potting adhesive dried in the first cavity is subjected to circular cutting by using a circular cutting device.
Further, the circular cutting device includes the second plate, the top surface fixedly connected with third base of second plate, the bottom surface looks adaptation of third base and stator body, the top surface fixedly connected with screw thread post and the spacing post of second plate, the top of second plate is equipped with the first board, the bottom surface of first board is equipped with first gear, the top surface fixedly connected with rotary column of first gear, rotary column and first board rotate to be connected, the bottom surface fixedly connected with annular section of first gear, first board is all passed to the one end of screw thread post and spacing post, screw thread post and spacing post all with first board sliding connection, the outside threaded connection of screw thread post has the second gear, the second gear rotates with the bottom surface of first board to be connected, the second gear meshes with first gear mutually.
Furthermore, one end of the rotary column penetrates through the first plate, a driving motor is fixedly connected to the first plate, and one end of an output shaft of the driving motor is in transmission connection with the rotary column.
Furthermore, the bottom of the annular slice is provided with a sawtooth groove.
The invention has the beneficial effects that:
1. the second cavity inside the motor stator is filled with the potting adhesive from bottom to top from the first base at the bottom of the stator body, so that the purposes of filling the potting adhesive from bottom to top and preventing bubbles from being generated in the potting process are achieved, the problem that bubbles are easily generated in a potting mode in the prior art is solved, and the reduction of the density of the potting adhesive is avoided;
2. pouring glue into the first cavity from the top end of the winding through the second cavity and attaching the glue to one side, close to the core column, of the coil winding, stopping glue pouring when the bottom end of the glue pouring in the first cavity is 4-5cm away from the top end of the winding, completing filling, placing the filled motor into a paint baking room for baking for 1-1.5h, and performing circular cutting on the dried glue pouring in the first cavity by using a circular cutting device, so that the direct filling and sealing of the cavity formed between the coil winding and the core column are avoided, and the problem that the size of the inner diameter of the stator is changed after the glue flows to the inner diameter of the stator to cause the solidification of the glue, and the subsequent tool is not favorable for dismounting is solved;
3. the invention achieves the purpose of performing circular cutting on the dried potting adhesive in the first cavity, so that the bottom of the potting adhesive is kept level and distributed at the top end of the winding, and the circular cutting efficiency is improved because the annular slice is provided with the sawtooth grooves.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a front view of the ring cutting apparatus of the present invention.
Reference numbers in the figures: 1 glue bucket, 2 stem, 3 winding tops, 4 first bolts, 5 stator bodies, 6 first cavity, 7 winding bottoms, 8 second bolts, 9 first base, 10 fender ring, 11 connectors, 12 feed inlets, 13 second cavity, 14 second base, 15 pipes, 16 driving motors, 17 first board, 18 first gear, 19 spacing post, 20 third base, 21 second board, 22 screw thread post, 23 annular section, 24 second gear, 25 rotary post.
Detailed Description
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.
Referring to fig. 1-2, a method for encapsulating a stator of a motor under normal pressure, the motor includes a stator body 5, a first base 9 is connected to a bottom surface of the stator body 5, a second base 14 is connected to a top surface of the stator body 5, the first base 9 is detachably connected to the bottom surface of the stator body 5, the first base 9 is fixedly connected to the stator body 5 through a second bolt 8, the second base 14 is detachably connected to the top surface of the stator body 5, and the second base 14 is fixedly connected to the top surface of the stator body 5 through a first bolt 4;
a core column 2 is arranged in the stator body 5, two ends of the core column 2 are respectively rotatably connected with a first base 9 and a second base 14, a baffle ring 10 is fixedly connected to the top surface of the first base 9, the baffle ring 10 is positioned on the outer side of the core column 2, a coil winding is arranged in the core column 2, the coil winding is positioned on the outer side of the core column 2, and a winding bottom end 7 of the coil winding is erected on the outer side of the baffle ring 10;
the method comprises the steps that a glue barrel 1 filled with glue is connected with a first base 9 through a guide pipe 15, the glue flows from the first base 9 of a motor to a second cavity 13 formed by a stator body 5 and a coil winding through the guide pipe 15, a feed port 12 is formed in the bottom surface of the first base 9, a connector 11 is fixedly connected with the guide pipe 15, and the connector 11 is in threaded connection with the feed port 12;
the stator body 5 is placed in a vacuum paint dipping tank for vacuumizing and standing treatment;
the core column 2 and the coil winding form a first chamber 6, and the first chamber 6 is communicated with a second chamber 13;
the potting adhesive flows into the first cavity 6 from the top end 3 of the winding through the second cavity 13 and is attached to one side of the coil winding close to the core column 2, the potting adhesive is stopped when the bottom end of the potting adhesive in the first cavity 6 is 34-5cm away from the top end of the winding, the potting adhesive is filled, the filled motor is placed into a paint baking room to be baked for 1-1.5h, and the potting adhesive dried in the first cavity 6 is subjected to circular cutting by using a circular cutting device;
the ring cutting device comprises a second plate 21, a third base 20 is fixedly connected to the top surface of the second plate 21, the third base 20 is matched with the bottom surface of the stator body 5, a threaded column 22 and a limiting column 19 are fixedly connected to the top surface of the second plate 21, a first plate 17 is arranged above the second plate 21, a first gear 18 is arranged on the bottom surface of the first plate 17, a rotating column 25 is fixedly connected to the top surface of the first gear 18, the rotating column 25 is rotatably connected with the first plate 17, an annular slice 23 is fixedly connected to the bottom surface of the first gear 18, a serrated groove is formed in the bottom of the annular slice 23, one ends of the threaded column 22 and the limiting column 19 penetrate through the first plate 17, the threaded column 22 and the limiting column 19 are both slidably connected with the first plate 17, a second gear 24 is connected to the external threads of the threaded column 22, and the second gear 24 is rotatably connected with the bottom surface of the first plate 17, the second gear 24 is meshed with the first gear 18;
one end of the rotary column 25 penetrates through the first plate 17, the first plate 17 is fixedly connected with the driving motor 16, and one end of an output shaft of the driving motor 16 is in transmission connection with the rotary column 25.
The working principle is as follows: the glue in the glue barrel 1 is injected into the second cavity 13, and the second cavity 13 in the motor stator is filled with the glue from the first base 9 at the bottom of the stator body 5 from bottom to top, so that the purposes of filling the glue from bottom to top and preventing bubbles from being generated in the glue filling process are achieved, the problem that bubbles are easily generated in a filling and sealing mode in the prior art is solved, and the density reduction of the filling and sealing glue is avoided;
pouring glue flows into the first cavity 6 from the top end 3 of the winding through the second cavity 13 and is attached to one side, close to the core column 2, of the coil winding, when the distance between the bottom end of the pouring glue in the first cavity 6 and the top end of the winding is 34-5cm, the pouring glue is stopped, the filling is completed, the filled motor is placed into a paint baking room to be baked for 1-1.5h, and the pouring glue dried in the first cavity 6 is subjected to circular cutting by using a circular cutting device, so that the direct filling and sealing of the cavity formed between the coil winding and the core column 2 are avoided, and the problems that the size of the inner diameter of the stator is changed after the glue flows to the inner diameter of the stator to be solidified and the subsequent tool is not facilitated to be disassembled and assembled are solved;
use the circular cutting device, first base 9 and the second base 14 of stator body 5 pull down earlier, put stator body 5 between ring section 23 and third base 20, make third base 20 fixed mutually with the bottom surface of stator body 5, start driving motor 16, driving motor 16's output shaft rotates and drives the rotary column 25 and rotate, rotary column 25 drives first gear 18 and rotates, first gear 18 rotates and drives ring section 23 and rotate and second gear 24 rotates, second gear 24 rotates and makes first board 17 move towards the direction that is close to stator body 5, thereby reach the encapsulating to drying in first cavity 6 and carry out the circular cutting's purpose, make the encapsulating bottom keep the parallel and level and distribute in winding top 3, because the sawtooth groove has been seted up on ring section 23, make the efficiency of circular cutting improve.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A method for encapsulating a motor stator under normal pressure is characterized by comprising the following steps: the motor comprises a stator body (5), wherein the bottom surface of the stator body (5) is connected with a first base (9), the top surface of the stator body (5) is connected with a second base (14), a core column (2) is arranged in the stator body (5), two ends of the core column (2) are respectively rotatably connected with the first base (9) and the second base (14), the top surface of the first base (9) is fixedly connected with a baffle ring (10), the baffle ring (10) is positioned on the outer side of the core column (2), a coil winding is arranged in the core column (2), the coil winding is positioned on the outer side of the core column (2), and the winding bottom end (7) of the coil winding is erected on the outer side of the baffle ring (10);
the method comprises the steps that a glue barrel (1) filled with glue is connected with a first base (9) through a guide pipe (15), the glue flows from the first base (9) of the motor to a second cavity (13) formed by a stator body (5) and a coil winding through the guide pipe (15), and the stator body (5) is placed in a vacuum paint dipping tank for vacuumizing and standing treatment.
2. The method for potting the stator of the motor under the normal pressure as recited in claim 1, wherein the core column (2) and the coil winding form a first chamber (6), and the first chamber (6) is communicated with a second chamber (13).
3. The method for filling the glue into the stator of the motor under the normal pressure as recited in claim 1, wherein the first base (9) is detachably connected with the bottom surface of the stator body (5), the first base (9) is fixedly connected with the stator body (5) through the second bolt (8), the second base (14) is detachably connected with the top surface of the stator body (5), and the second base (14) is fixedly connected with the top surface of the stator body (5) through the first bolt (4).
4. The method for filling the adhesive into the stator of the motor under the normal pressure as recited in claim 1, wherein a feed port (12) is formed in the bottom surface of the first base (9), the conduit (15) is fixedly connected with a connector (11), and the connector (11) is in threaded connection with the feed port (12).
5. The method for encapsulating the motor stator under the normal pressure according to claim 2, wherein the encapsulating adhesive flows into the first chamber (6) from the winding top end (3) through the second chamber (13) and is attached to one side of the coil winding close to the core column (2), the encapsulating adhesive is stopped when the distance between the encapsulating adhesive bottom end and the winding top end (3) in the first chamber (6) is 4-5cm, the encapsulating is completed, the encapsulated motor is placed into a paint baking room to be baked for 1-1.5h, and then the encapsulating adhesive dried in the first chamber (6) is annularly cut by using an annular cutting device.
6. The method for filling the motor stator with the glue under the normal pressure according to claim 5, wherein the circular cutting device comprises a second plate (21), a third base (20) is fixedly connected to the top surface of the second plate (21), the third base (20) is matched with the bottom surface of the stator body (5), a threaded column (22) and a limiting column (19) are fixedly connected to the top surface of the second plate (21), a first plate (17) is arranged above the second plate (21), a first gear (18) is arranged on the bottom surface of the first plate (17), a rotating column (25) is fixedly connected to the top surface of the first gear (18), the rotating column (25) is rotatably connected with the first plate (17), an annular cutting piece (23) is fixedly connected to the bottom surface of the first gear (18), and one end of each of the threaded column (22) and the limiting column (19) penetrates through the first plate (17), threaded column (22) and spacing post (19) all with first board (17) sliding connection, the outside threaded connection of threaded column (22) has second gear (24), second gear (24) are connected with the bottom surface rotation of first board (17), second gear (24) and first gear (18) mesh mutually.
7. The method for filling the adhesive into the stator of the motor under the normal pressure as claimed in claim 6, wherein one end of the rotary column (25) penetrates through the first plate (17), the driving motor (16) is fixedly connected to the first plate (17), and one end of an output shaft of the driving motor (16) is in transmission connection with the rotary column (25).
8. The method for filling the glue into the stator of the motor under the normal pressure as claimed in claim 7, wherein the bottom of the annular slice (23) is provided with a sawtooth groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851899.8A CN113452224B (en) | 2021-07-27 | 2021-07-27 | Method for filling glue into motor stator under normal pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110851899.8A CN113452224B (en) | 2021-07-27 | 2021-07-27 | Method for filling glue into motor stator under normal pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113452224A true CN113452224A (en) | 2021-09-28 |
| CN113452224B CN113452224B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110851899.8A Active CN113452224B (en) | 2021-07-27 | 2021-07-27 | Method for filling glue into motor stator under normal pressure |
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| Country | Link |
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| CN (1) | CN113452224B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052366A (en) * | 2019-05-13 | 2019-07-26 | 成都金士力科技有限公司 | One kind is for high/low temperature vacuum stepper motor rotation adhesive injection device and glue-pouring method |
| CN116015007A (en) * | 2022-12-26 | 2023-04-25 | 苏州中科科仪技术发展有限公司 | Encapsulating method of motor stator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183588A (en) * | 2017-12-26 | 2018-06-19 | 常州精纳电机有限公司 | A kind of motor stator encapsulating method and tooling |
| CN208128101U (en) * | 2018-01-26 | 2018-11-20 | 杭州米格电机有限公司 | AC permanent-magnet DD motor encapsulating assembled tool |
| CN208299647U (en) * | 2018-06-01 | 2018-12-28 | 天津深之蓝海洋设备科技有限公司 | A kind of motor stator encapsulating die |
| CN210157059U (en) * | 2019-08-08 | 2020-03-17 | 苏州索尔达动力科技有限公司 | Vacuum encapsulating tool for stator of permanent magnet synchronous motor for new energy vehicle |
-
2021
- 2021-07-27 CN CN202110851899.8A patent/CN113452224B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108183588A (en) * | 2017-12-26 | 2018-06-19 | 常州精纳电机有限公司 | A kind of motor stator encapsulating method and tooling |
| CN208128101U (en) * | 2018-01-26 | 2018-11-20 | 杭州米格电机有限公司 | AC permanent-magnet DD motor encapsulating assembled tool |
| CN208299647U (en) * | 2018-06-01 | 2018-12-28 | 天津深之蓝海洋设备科技有限公司 | A kind of motor stator encapsulating die |
| CN210157059U (en) * | 2019-08-08 | 2020-03-17 | 苏州索尔达动力科技有限公司 | Vacuum encapsulating tool for stator of permanent magnet synchronous motor for new energy vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052366A (en) * | 2019-05-13 | 2019-07-26 | 成都金士力科技有限公司 | One kind is for high/low temperature vacuum stepper motor rotation adhesive injection device and glue-pouring method |
| CN116015007A (en) * | 2022-12-26 | 2023-04-25 | 苏州中科科仪技术发展有限公司 | Encapsulating method of motor stator |
| CN116015007B (en) * | 2022-12-26 | 2023-09-01 | 苏州中科科仪技术发展有限公司 | Encapsulating method of motor stator |
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| CN113452224B (en) | 2022-05-24 |
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