CN114189118A - Permanent magnet motor final assembly assembling method - Google Patents
Permanent magnet motor final assembly assembling method Download PDFInfo
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- CN114189118A CN114189118A CN202111381133.4A CN202111381133A CN114189118A CN 114189118 A CN114189118 A CN 114189118A CN 202111381133 A CN202111381133 A CN 202111381133A CN 114189118 A CN114189118 A CN 114189118A
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- assembly structure
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a permanent magnet motor final assembly assembling method, which comprises the following steps: 1) completing the assembly of the stator assembly structure; 2) completing the assembly of the rotor assembly structure; 3) screwing a guide screw into a threaded hole I on the stator assembling structure; 4) screwing the bolt into a threaded through hole III on the rotor assembly structure, and assembling the guide shaft on the lower surface of the rotor assembly structure; 5) placing the rotor assembly structure above the stator assembly structure, enabling the upper end of a guide screw to penetrate through a through hole II, enabling a guide shaft to penetrate through a through hole I, enabling the lower end of a bolt to be in contact with the upper end face of the shell, rotating the bolt, enabling the rotor assembly structure to move downwards along the guide screw, and enabling the guide shaft to move downwards along the through hole I until a bearing is assembled in a bearing hole; 6) and fixing the upper end cover on the shell to finish assembly. The assembly tool is simple in structure, can limit the gliding speed, and avoids collision caused by instantaneous longitudinal large-distance movement of the stator and the rotor, damage to parts of a product or injury to product assembly personnel.
Description
Technical Field
The invention relates to the field of motor assembly, in particular to a permanent magnet motor final assembly method.
Background
Permanent magnet motors typically employ a stator formed of windings that function to produce a rotating magnetic field. The rotor is assembled by the permanent magnet, the rotor assembled by the permanent magnet has a strong magnetic field, when the stator is assembled with the rotor, the stator and the rotor are instantly longitudinally moved and attracted together at a large distance by the strong magnetic field on the rotor, strong collision is generated, product assembly personnel are injured or product parts and parts are damaged, particularly products with large volume, the magnetic field generated by the permanent magnet rotor is stronger, and the damage to personnel and parts is larger.
Disclosure of Invention
The invention aims to provide a permanent magnet motor final assembly method to solve the problems in the prior art.
The technical scheme adopted for achieving the aim of the invention is that the permanent magnet motor final assembly assembling method comprises the following steps:
1) and fixing the lower end cover at the lower end of the machine shell, and assembling the stator winding iron core into the machine shell to form a stator assembly structure. Wherein, set up the through-hole I that supplies the guiding axle to pass on the bottom end cover, be equipped with the dead eye in the through-hole I, the locating hole has been seted up to the up end of guiding axle, and threaded hole I is seted up to the up end of casing, and the guiding screw lower extreme is equipped with the external screw thread with I assorted of threaded hole.
2) And assembling the rotor with the upper end cover, and mounting a bearing on the lower surface of the rotor to form a rotor assembling structure. The upper end cover is provided with a through hole II and a threaded through hole III, the threaded through hole III is provided with an internal thread matched with the external thread of the bolt, and the lower end of the rotating shaft of the rotor is connected with a positioning bulge matched with the positioning hole.
3) And screwing the lower end of the guide screw into the threaded hole I.
4) And screwing the bolt into the threaded through hole III from the upper part and extending out of the upper end cover by a certain length, and assembling the positioning bulge into the positioning hole at the upper end of the guide shaft.
5) Will rotor assembly structure places stator assembly structure's top, and through-hole II is passed to guide screw's upper end, and the guiding axle passes through-hole I, and the lower extreme of bolt contacts with the up end of casing, and rotatory bolt, rotor assembly structure move down along guide screw, and the guiding axle moves down along through-hole I, and it is downthehole to assemble the bearing up to the bearing.
6) Removing the guide shaft, the guide screw and the bolt;
7) and fixing the upper end cover at the upper end of the shell to finish the assembly work of the permanent magnet motor.
Further, the lower surface of the upper end cover is provided with an outer spigot, the upper end surface of the shell is provided with an inner spigot matched with the outer spigot, and when the upper end cover in the step 6) is connected with the shell, the outer spigot is assembled in the inner spigot.
Further, in the step 1), the lower end cover is fixed with the casing by adopting a plurality of fastening bolts. In the step 6), the upper end cover is fixed with the casing by adopting a plurality of fastening bolts, wherein one fastening bolt penetrates through the through hole II and is screwed into the threaded hole I.
The technical effects of the invention are undoubted, the bolt is rotated to slide downwards, the structure of the assembly tool is changed from complex to very simple, the function is strong, special equipment is not required to be invested, the sliding speed can be limited, the phenomenon that the stator and the rotor move longitudinally at a large distance instantly to collide, product parts are damaged or product assembly personnel are injured is avoided, a guide mechanism is arranged in the sliding process, the rotor assembly structure is prevented from being adsorbed with the stator assembly structure under the action of magnetic tension, and a bearing is easier to be arranged in a bearing chamber during assembly, so that the assembly is completed. In addition, the method is very suitable for the situation that the number of new product development is not large, the investment of very much fund is not needed, and the required fund amount is very small.
Drawings
FIG. 1 is a schematic view of a guide screw;
FIG. 2 is a schematic view of a bolt;
FIG. 3 is a schematic view of a guide shaft;
FIG. 4 is a schematic view of a stator assembly;
FIG. 5 is a schematic view of a rotor assembly;
FIG. 6 is a schematic view of the connection of the guide screw to the stator assembly structure;
FIG. 7 is a schematic view of the connection of the bolts to the rotor assembly;
FIG. 8 is a schematic illustration of a stator assembly structure and a rotor assembly structure assembly process;
fig. 9 is a schematic view showing the stator assembling structure and the rotor assembling structure completed.
In the figure: the motor stator comprises a lower end cover 1, a through hole I101, a bearing hole 1011, a machine shell 2, a threaded hole I201, an inner spigot 202, a stator winding iron core 3, a guide shaft 4, a positioning hole 401, a rotor 5, an upper end cover 6, a through hole II 601, a threaded through hole III 602, an outer spigot 603, a bearing 7, a positioning protrusion 701, a guide screw 8 and a bolt 9.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
the embodiment discloses a permanent magnet motor final assembly assembling method, which comprises the following steps:
1) referring to fig. 4, the lower end cap 1 is fixed to the lower end of the casing 2 by using a plurality of fastening bolts, and the stator winding core 3 is assembled to the casing 2 to form a stator assembly structure. Wherein, set up I101 through-hole that supplies guiding axle 4 to pass on the lower end cover 1, be equipped with dead eye 1011 in I101 through-hole, see fig. 3, locating hole 401 has been seted up to the up end of guiding axle 4, and screw hole I201 has been seted up to the up end of casing 2, see fig. 1, and 8 lower extremes of guide screw are equipped with the external screw thread that matches with screw hole I201.
2) Referring to fig. 5, the rotor 5 is assembled with the upper end cap 6, and the bearing 7 is mounted on the lower surface of the rotor 5 to form a rotor assembly structure. The upper end cover 6 is provided with a through hole II 601 and a threaded through hole III 602, the threaded through hole III 602 is provided with an internal thread matched with the external thread of the bolt 9, and the lower end of the rotating shaft of the rotor 5 is connected with a positioning bulge 701 matched with the positioning hole 401. Referring to fig. 2, a schematic view of the bolt 9 is shown.
3) Referring to fig. 6, the lower end of the guide screw 8 is screwed into the screw hole i 201.
4) Referring to fig. 7, the bolt 9 is screwed into the screw through hole iii 602 from above and extends out of the upper end cap 6 by a certain length, and the positioning projection 701 is fitted into the positioning hole 401 at the upper end of the guide shaft 4.
5) Referring to fig. 8, the rotor assembling structure is placed above the stator assembling structure, the upper end of the guide screw 8 passes through the through hole ii 601, the guide shaft 4 passes through the through hole i 101, the lower end of the bolt 9 contacts the upper end surface of the housing 2, the bolt 9 is rotated, the rotor assembling structure moves downward along the guide screw 8, and the guide shaft 4 moves downward along the through hole i 101, referring to fig. 9, until the bearing 7 is assembled into the bearing hole 1011. In the process, the guide screw 8 plays a role in guiding, the rotor assembly structure is prevented from rotating in the circumferential direction, and the rotor assembly structure is aligned with the screw hole of the stator assembly structure. The bolt 9 plays the effect of control gliding speed, prevents that rotor assembly structure gliding speed is too fast, makes rotor assembly structure and stator assembly structure bump or injure people. The guide shaft 4 plays a role in guiding, and prevents the rotor assembly structure from being adsorbed with the stator assembly structure under the action of magnetic tension, so that the rotor assembly structure and the stator assembly structure are not concentric, and a bearing cannot be arranged in a bearing hole, so that assembly failure is caused.
6) The guide shaft 4, guide screw 8 and bolt 9 are removed.
7) And the upper end cover 6 is fixed at the upper end of the shell 2 by adopting a plurality of fastening bolts, and other parts of the motor are well installed to finish the assembly work of the permanent magnet motor. The lower surface of the upper end cover 6 is provided with an outer spigot 603, the upper end surface of the machine shell 2 is provided with an inner spigot 202 matched with the outer spigot 603, when the upper end cover 6 is connected with the machine shell 2, the outer spigot 603 is assembled in the inner spigot 202, and one fastening bolt penetrates through the through hole II 601 and is screwed into the threaded hole I201.
Example 2:
the embodiment discloses a permanent magnet motor final assembly assembling method, which comprises the following steps:
1) referring to fig. 4, the lower end cap 1 is fixed to the lower end of the casing 2, and the stator winding core 3 is assembled to the casing 2 to form a stator assembly structure. Wherein, set up I101 through-hole that supplies guiding axle 4 to pass on the lower end cover 1, be equipped with dead eye 1011 in I101 through-hole, see fig. 3, locating hole 401 has been seted up to the up end of guiding axle 4, and screw hole I201 has been seted up to the up end of casing 2, see fig. 1, and 8 lower extremes of guide screw are equipped with the external screw thread that matches with screw hole I201.
2) Referring to fig. 5, the rotor 5 is assembled with the upper end cap 6, and the bearing 7 is mounted on the lower surface of the rotor 5 to form a rotor assembly structure. The upper end cover 6 is provided with a through hole II 601 and a threaded through hole III 602, the threaded through hole III 602 is provided with an internal thread matched with the external thread of the bolt 9, and the lower end of the rotating shaft of the rotor 5 is connected with a positioning bulge 701 matched with the positioning hole 401. Referring to fig. 2, a schematic view of the bolt 9 is shown.
3) Referring to fig. 6, the lower end of the guide screw 8 is screwed into the screw hole i 201.
4) Referring to fig. 7, the bolt 9 is screwed into the screw through hole iii 602 from above and extends out of the upper end cap 6 by a certain length, and the positioning projection 701 is fitted into the positioning hole 401 at the upper end of the guide shaft 4.
5) Referring to fig. 8, the rotor assembling structure is placed above the stator assembling structure, the upper end of the guide screw 8 passes through the through hole ii 601, the guide shaft 4 passes through the through hole i 101, the lower end of the bolt 9 contacts the upper end surface of the housing 2, the bolt 9 is rotated, the rotor assembling structure moves downward along the guide screw 8, and the guide shaft 4 moves downward along the through hole i 101, referring to fig. 9, until the bearing 7 is assembled into the bearing hole 1011.
6) The guide shaft 4, guide screw 8 and bolt 9 are removed.
7) And fixing the upper end cover 6 at the upper end of the shell 2 to finish the assembly work of the permanent magnet motor.
Example 3:
the main steps of this embodiment are the same as those of embodiment 2, further, an outer seam allowance 603 is provided on the lower surface of the upper end cover 6, an inner seam allowance 202 matched with the outer seam allowance 603 is provided on the upper end surface of the housing 2, and when the upper end cover 6 in step 6) is connected to the housing 2, the outer seam allowance 603 is assembled into the inner seam allowance 202.
Example 4:
the main steps of this embodiment are the same as those of embodiment 2, and further, in step 1), the lower end cover 1 is fixed to the housing 2 by using a plurality of fastening bolts. In the step 6), the upper end cover 6 is fixed with the casing 2 by adopting a plurality of fastening bolts, wherein one fastening bolt passes through the through hole II 601 and is screwed into the threaded hole I201.
Claims (3)
1. The permanent magnet motor final assembly assembling method is characterized by comprising the following steps: the method comprises the following steps:
1) fixing a lower end cover (1) at the lower end of a machine shell (2), and assembling a stator winding iron core (3) into the machine shell (2) to form a stator assembly structure; the lower end cover (1) is provided with a through hole I (101) for the guide shaft (4) to pass through, a bearing hole (1011) is formed in the through hole I (101), the upper end face of the guide shaft (4) is provided with a positioning hole (401), the upper end face of the shell (2) is provided with a threaded hole I (201), and the lower end of the guide screw (8) is provided with an external thread matched with the threaded hole I (201);
2) assembling the rotor (5) with the upper end cover (6), and mounting a bearing (7) on the lower surface of the rotor (5) to form a rotor assembling structure; the upper end cover (6) is provided with a through hole II (601) and a threaded through hole III (602), the threaded through hole III (602) is provided with an internal thread matched with the external thread of the bolt (9), and the lower end of a rotating shaft of the rotor (5) is connected with a positioning bulge (701) matched with the positioning hole (401);
3) screwing the lower end of the guide screw (8) into the threaded hole I (201);
4) screwing the bolt (9) into the threaded through hole III (602) from the upper part and extending out of the upper end cover (6), and assembling the positioning bulge (701) into a positioning hole (401) at the upper end of the guide shaft (4);
5) the rotor assembly structure is placed above the stator assembly structure, the upper end of a guide screw (8) penetrates through a through hole II (601), a guide shaft (4) penetrates through a through hole I (101), the lower end of a bolt (9) is in contact with the upper end face of the machine shell (2), the bolt (9) is rotated, the rotor assembly structure moves downwards along the guide screw (8), and the guide shaft (4) moves downwards along the through hole I (101) until a bearing (7) is assembled in a bearing hole (1011);
6) removing the guide shaft (4), the guide screw (8) and the bolt (9);
7) and fixing the upper end cover (6) at the upper end of the shell (2) to finish the assembly work of the permanent magnet motor.
2. The permanent magnet motor final assembly method of claim 1, characterized in that: the lower surface of the upper end cover (6) is provided with an outer spigot (603), the upper end surface of the machine shell (2) is provided with an inner spigot (202) matched with the outer spigot (603), and when the upper end cover (6) in the step 6) is connected with the machine shell (2), the outer spigot (603) is assembled in the inner spigot (202).
3. The permanent magnet motor final assembly method of claim 1, characterized in that: in the step 1), the lower end cover (1) is fixed with the shell (2) by adopting a plurality of fastening bolts; in the step 6), the upper end cover (6) is fixed with the shell (2) by adopting a plurality of fastening bolts, wherein one fastening bolt penetrates through the through hole II (601) and is screwed into the threaded hole I (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381133.4A CN114189118A (en) | 2021-11-20 | 2021-11-20 | Permanent magnet motor final assembly assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111381133.4A CN114189118A (en) | 2021-11-20 | 2021-11-20 | Permanent magnet motor final assembly assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114189118A true CN114189118A (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111381133.4A Pending CN114189118A (en) | 2021-11-20 | 2021-11-20 | Permanent magnet motor final assembly assembling method |
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| CN (1) | CN114189118A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2299560A1 (en) * | 2009-09-22 | 2011-03-23 | Baumüller Nürnberg GmbH | Method for inserting a rotor of a synchronous machine into the stator or for mounting a rotor around a stator and mounting device for same |
| CN204794602U (en) * | 2015-07-08 | 2015-11-18 | 安徽明腾永磁机电设备有限公司 | Permanent -magnet machine positioning frock |
| CN205354795U (en) * | 2016-01-27 | 2016-06-29 | 绍兴文理学院 | High -power permanent magnetism tombarthite motor is with filling magnetic clamping hoist mechanism |
| CN207475363U (en) * | 2017-08-24 | 2018-06-08 | 重庆众泰汽车工业有限公司 | A kind of middle-size and small-size assembling tooling for permanent magnet motor |
| CN109256914A (en) * | 2018-11-12 | 2019-01-22 | 四川德胜集团钒钛有限公司 | One kind is for permanent magnet synchronous motor assembly device and assembly method |
| CN209526640U (en) * | 2018-12-21 | 2019-10-22 | 重庆虎溪电机工业有限责任公司 | Permanent magnet motor stator and rotor assembly tooling |
-
2021
- 2021-11-20 CN CN202111381133.4A patent/CN114189118A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2299560A1 (en) * | 2009-09-22 | 2011-03-23 | Baumüller Nürnberg GmbH | Method for inserting a rotor of a synchronous machine into the stator or for mounting a rotor around a stator and mounting device for same |
| CN204794602U (en) * | 2015-07-08 | 2015-11-18 | 安徽明腾永磁机电设备有限公司 | Permanent -magnet machine positioning frock |
| CN205354795U (en) * | 2016-01-27 | 2016-06-29 | 绍兴文理学院 | High -power permanent magnetism tombarthite motor is with filling magnetic clamping hoist mechanism |
| CN207475363U (en) * | 2017-08-24 | 2018-06-08 | 重庆众泰汽车工业有限公司 | A kind of middle-size and small-size assembling tooling for permanent magnet motor |
| CN109256914A (en) * | 2018-11-12 | 2019-01-22 | 四川德胜集团钒钛有限公司 | One kind is for permanent magnet synchronous motor assembly device and assembly method |
| CN209526640U (en) * | 2018-12-21 | 2019-10-22 | 重庆虎溪电机工业有限责任公司 | Permanent magnet motor stator and rotor assembly tooling |
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