CN111371272B - Motor stator and rotor assembling device and method - Google Patents
Motor stator and rotor assembling device and method Download PDFInfo
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- CN111371272B CN111371272B CN202010363445.1A CN202010363445A CN111371272B CN 111371272 B CN111371272 B CN 111371272B CN 202010363445 A CN202010363445 A CN 202010363445A CN 111371272 B CN111371272 B CN 111371272B
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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
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to a motor stator and rotor assembly device and a method, wherein the assembly device comprises a tool table, a tool seat arranged on the tool table and a stator seat fixed on the tool seat, the stator seat is used for fixing a stator, a rotor is assembled in a stator cavity, the tool table comprises a bracket and a supporting seat fixed on the bracket, a limiting adjusting device is arranged in the bracket, a first through hole is formed in the supporting seat, the limiting adjusting device extends upwards through the first through hole, the tool seat is fixed on the supporting seat, a positioning rod is fixedly assembled on the tool seat, and the height of the limiting bracket is adjusted to match the extension length of a rotating shaft; the height of the limiting support table is adjusted to match the extension length of the rotating shaft; the installation locating lever and the guide sleeve are matched to complete the assembly of the stator and the rotor, and the assembly reliability and the safety of the stator and the rotor are ensured.
Description
Technical Field
The invention relates to the field of motor assembling devices, in particular to a motor stator and rotor assembling device and method.
Background
Permanent magnet motors have many advantages, but also present assembly difficulties. Because the magnetic energy product of the rare earth permanent magnet material after being magnetized can reach very high and has very strong magnetism, the rotor of the permanent magnet motor has strong magnetism, when the rotor is inserted into the inner cavity of the stator, because the rotor has larger magnetism, the rotor is attracted with the iron core of the stator and the magnetic force is unstable, the rotor is easy to collide left and right in the assembling process, so that the coil is damaged, and problems such as assembly danger, workpiece quality hidden trouble and the like are brought. Furthermore, during the rotor-in-place process, the axial position of the rotor bearing at the lower end of the rotor exceeds the position of the bearing hole of the lower end cover, causing assembly failure.
Disclosure of Invention
The invention aims to provide a device and a method for assembling a stator and a rotor of a motor, which ensure the reliability and the safety of the assembly of the stator and the rotor.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a motor stator and rotor assembly quality, its include the frock platform, install in frock seat on the frock platform and be fixed in stator seat on the frock seat, stator seat is used for fixed stator, the internal rotor that is equipped with of stator cavity, the frock platform includes the bracket and is fixed in supporting seat on the bracket, the inside spacing adjusting device that is provided with of bracket, first through-hole has been seted up on the supporting seat, spacing adjusting device warp first through-hole upwards stretches out, the frock seat is fixed in on the supporting seat, the last fixed equipment of frock seat has the locating lever.
The limiting adjusting device comprises two adjusting bases with adjustable center distance and two limiting supporting platforms movably fixed on the adjusting bases.
The adjusting base comprises a first bottom plate, a side plate and two adjusting fixing plates, wherein the side plate is vertically arranged at the outer end of the first bottom plate, and the two adjusting fixing plates are vertically and inwards extended from two sides of the side plate.
The outer end face of the adjusting fixing plate is an arc face, the surface of the adjusting fixing plate is provided with a plurality of adjusting holes formed by continuously superposing round holes, the circle centers of the round holes are connected together to form an arc line protruding outwards, and the arc line is parallel to the outer end face of the adjusting fixing plate through the arc face.
The cross section of the inner end of one first bottom plate is vertically provided with a sliding rod, the inner end of the other first bottom plate is recessed from the outside to the inside of the cross section to form a sliding groove, and the sliding rod slides in the sliding groove.
The limiting support table comprises a second bottom plate and two connecting plates formed by vertically and upwards extending the tail ends of the two sides of the second bottom plate, fixing holes are formed in the two ends of each connecting plate, fastening components are installed in the fixing holes, and each fastening component comprises a bolt, a gasket and a nut.
And a cushion block is fixed on the second bottom plate, a second through hole is axially formed in the center of the tool seat, and the cushion block penetrates through the first through hole and the second through hole.
The top end of the stator is provided with a guide sleeve, the inner diameter of the guide sleeve is matched with the outer diameter of the rotor, and the positioning rod axially penetrates through the guide sleeve and is fixedly connected with the guide sleeve.
The invention provides another technical scheme: a method for assembling a stator and a rotor of a motor is characterized by comprising the following steps:
step S1, adjusting the height of the limit saddle to match the extension length of the rotating shaft;
step S2, vertically placing the stator on the stator seat, and installing a positioning rod and a guide sleeve;
step S3, vertically hanging the rotor into the inner hole of the guide sleeve, and adjusting the rotor to be concentric with the stator;
step S4, the rotor is assembled downwards, the lower end of the rotating shaft contacts with the surface of the limit saddle;
and step S5, the guide sleeve and the positioning rod are removed, and the stator and the rotor are assembled.
Specifically, step S1 includes:
step S11, fixing the bolt on a circular hole of the adjusting hole;
step S12, adjusting the center distance of the two first bottom plates to make the center distance of the circular holes of the two adjusting bases consistent with the center distance of the two fixing holes;
and step S13, two bolts transversely penetrate through the circular holes on one sides of the two adjusting bases and the fixing holes of the limiting supporting platform, the two bolts penetrate through the circular holes on the other sides of the two adjusting bases, and the external threads of the parts, exposed outwards, of the bolts are in meshed connection with the nuts.
Compared with the prior art, the invention has the beneficial effects that: the limiting adjusting device is arranged in the bracket, so that the axial position of a rotor bearing at the lower end of the rotor is prevented from exceeding the position of a bearing hole of the lower end cover in the downward assembling process of the rotor, and the stator and the rotor are assembled in place; the limiting adjusting device can be adjusted according to the axial elongation of the rotating shaft, and is widely applicable; the regulation hole is formed by the continuous stack of a plurality of circular port, and the centre of a circle of every circular port is connected and is outwards convex arc line together, causes the altitude mixture control of spacing saddle more accurate.
Drawings
FIG. 1 is a schematic structural diagram of an assembly apparatus for assembling a stator and a rotor of a motor according to the present invention;
FIG. 2 is a schematic view of two adjusting bases shown in FIG. 1;
FIG. 3 is another angle structure diagram of the two adjustable bases of FIG. 2;
FIG. 4 is a schematic structural view of the limiting saddle in FIG. 1;
FIG. 5 is a cross-sectional view of the restraint pallet of FIG. 4;
FIG. 6 is an assembly view of the fastening components of the stator and rotor assembly apparatus of the motor of the present invention;
fig. 7 is a schematic structural diagram of a motor stator and rotor assembling device of the present invention.
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. 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.
Referring to fig. 1 to 7, the present invention is an assembling apparatus for a stator and a rotor of a motor, which includes a tooling table 10, a tooling seat 20 installed on an upper surface of the tooling table 10, and a stator seat 30 fixed on an upper surface of the tooling seat 20. The stator holder 30 is used for fixing the stator 40, and the rotor 50 is assembled in the cavity of the stator 40.
Referring to fig. 1, the tooling table 10 includes a bracket 11 and a support base 12 fixed on the bracket 11. In order to facilitate the assembly of rotors of different axial elongation in the cavity of the stator 40, the bracket 11 is internally provided with limit adjustment means 13. The supporting seat 12 is provided with a first through hole (not shown), and the limiting and adjusting device 13 extends upwards through the first through hole. The limit adjusting device 13 includes two adjusting bases 131 with adjustable center distance and a limit saddle 132 movably fixed on the two adjusting bases 131.
Referring to fig. 2, each of the two adjusting bases 131 includes a first bottom plate 1311, a side plate 1312 vertically disposed at an outer end of the first bottom plate 1311, and two adjusting fixing plates 1313 formed by vertically extending inward two sides of the side plate 1312, an outer end surface of each adjusting fixing plate 1313 is an arc-shaped surface, the surface of each adjusting fixing plate 1313 is provided with adjusting holes 13131 formed by continuously overlapping a plurality of circular holes 100, centers of the circular holes 100 are connected together to form an arc-shaped line protruding outward, and the arc-shaped line and the outer end surface of each adjusting fixing plate 1313 are parallel to each other. The adjusting holes 13131 of the two adjusting fixing plates 1313 correspond to each other, and the inner ends of the two first bottom plates 1311 correspond to each other in pairs.
Referring to fig. 2 and 3, in order to adjust the center distance between the two adjusting bases 131, a sliding rod 13111 is vertically disposed on the inner end section of one first bottom plate 1311, a sliding groove 13112 is formed by recessing the inner end of the other first bottom plate 1311 from the outside to the inside of the section, and the sliding rod 13111 slides in the sliding groove 13112 to adjust the center distance between the two adjusting bases 131.
Referring to fig. 4 and 5, the limiting tray 132 includes a second bottom plate 1321 and two connecting plates 1322 formed by vertically extending two ends of the second bottom plate 1321 upward, a fixing hole 13221 is formed at each end of each connecting plate 1322, and a fastening member 200 is installed in each fixing hole 13221. Referring to fig. 6, the fastening member 200 includes a bolt 201, a washer 202, and a nut 203. The fixing holes 13221 at two ends of one connecting plate 1322 and the fixing holes 13221 at two ends of the other connecting plate 1322 are corresponding to the second bottom plate 1321, and the cushion block 13211 is fixed on the second bottom plate 1321 and penetrates through the first through hole 121.
During assembly, two bolts 201 transversely pass through the adjusting holes 13131 on one side of the two adjusting bases 131 and the fixing holes 13221 of the limiting saddle 132 through gaskets, the two bolts further pass through the adjusting holes 13131 on the other side of the two adjusting bases 131, and the external threads of the parts, exposed outwards, of the bolts are in meshing connection with nuts.
Referring to fig. 2, the tooling seat 20 is fixed on the support base 12, the tooling seat 20 includes a transverse portion 21 and a vertical portion 22 formed by vertically extending the outer end of the transverse portion 21 upwards, the stator seat 30 is fixed on the vertical portion 22, the transverse portion 21 is fixedly assembled with a positioning rod 23, and the positioning rod 22 and the tooling seat 20 both adopt non-magnetic conductive materials to achieve the magnetic isolation effect. The positioning rod 22 prevents the rotor 50 from being assembled with the stator 40, and thus, the rotor is prevented from being shaken or displaced, which may cause difficulty in assembly. Referring to fig. 7, a second through hole 24 is axially formed in the center of the tool holder 20, and the spacer 13211 penetrates through the second through hole 24.
Referring to fig. 7, in order to ensure that the stator 40 does not displace under the magnetic force of the rotor 50 in the process of assembling the stator 40 and the rotor 50, an assembling hole 31 for connecting the tooling seat 20 is formed in the stator seat 30, and the stator seat 30 is connected with the tooling seat 20 through the assembling hole 31 by using a screw.
Referring to fig. 7, in order to prevent the rotor 50 from being eccentric during the assembly process, a guide sleeve 41 is provided at the top end of the stator 40, and the inner diameter of the guide sleeve 41 is matched with the outer diameter of the rotor 50. The positioning rod 22 axially passes through the guide sleeve 41 and is fixedly connected with the guide sleeve 41. The lower end of the stator 40 is assembled with a lower end cover 42, and the lower end cover 42 is axially provided with a bearing hole 421. The inner side of the stator seat 30 is provided with a clamping interface 32, and the clamping interface 32 is used for being fixedly assembled with the lower end cover 42. The rotor 50 includes a rotating shaft 51, a rotor body 52, a rotor bearing 53 mounted at one end of the rotating shaft 51, and an upper end cap 54 mounted at the other end of the rotating shaft 51.
The method for assembling the stator and the rotor of the motor comprises the following steps:
in step S1, the height of the limit bracket 132 is adjusted to match the extension length of the rotation shaft 51.
Specifically, step S1 includes:
in step S11, the bolt is fixed to a circular hole of the adjusting hole 13131.
In step S12, the center distance of the two first bottom plates 1311 is adjusted so that the circular hole center distance of the two adjustment bases 131 coincides with the two fixing hole center distances.
Step S13, two bolts pass through the circular holes on one side of the two adjusting bases 131 and the fixing holes of the limiting saddle in the transverse direction, the two bolts pass through the circular holes on the other side of the two adjusting bases, and the external threads of the exposed part of the bolts are engaged with the nuts.
In step S2, the stator is vertically placed on the stator holder, and the positioning rod 22 and the guide sleeve 41 are attached.
In this step, the stator 40 is connected to the stator seat 30 through the assembling hole 31 by using a screw; the guide sleeve 41 is mounted on the top end of the stator 40, the upper end of the positioning rod 22 axially passes through the guide sleeve 41 and is fixedly connected with the guide sleeve 41, and the lower end of the positioning rod 22 is fixedly assembled with the transverse part 21.
And step S3, vertically hanging the rotor into the inner hole of the guide sleeve, and adjusting the rotor to be concentric with the stator.
Step S4, the rotor is assembled downward, the rotor bearing 53 is fixed in the bearing hole, and the lower end of the rotating shaft contacts with the surface of the limit saddle 132.
And step S5, the guide sleeve and the positioning rod are removed, and the stator and the rotor are assembled.
According to the invention, the limiting and adjusting device is arranged in the bracket 11, so that the axial position of a rotor bearing at the lower end of the rotor is prevented from exceeding the position of a bearing hole of the lower end cover in the downward assembling process of the rotor, and the stator and the rotor can be assembled in place; the limiting adjusting device can be adjusted according to the axial elongation of the rotating shaft, and is widely applicable; the regulation hole is formed by the continuous stack of a plurality of circular port 100, and the centre of a circle of every circular port 100 is connected together for outside convex arc line, causes spacing saddle 132's altitude mixture control more accurate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a motor stator and rotor assembly quality, its include the frock platform, install in frock seat on the frock platform and be fixed in stator seat on the frock seat, stator seat is used for fixed stator, be equipped with the rotor in the stator cavity, a serial communication port, the frock platform includes the bracket and is fixed in supporting seat on the bracket, the inside spacing adjusting device that is provided with of bracket, it is equipped with first through-hole to open on the supporting seat, spacing adjusting device warp first through-hole upwards stretches out, the frock seat fix in on the supporting seat, fixed equipment has the locating lever on the frock seat, spacing adjusting device includes two adjustable adjusting base of central distance and activity are fixed in two spacing saddle on the adjusting base, every the adjusting base all include first bottom plate, set up perpendicularly in the curb plate of first bottom plate outer end and by the perpendicular inside shape that extends in curb plate both sides The outer end faces of the adjusting fixing plates are arc-shaped faces, adjusting holes formed by continuously overlapping a plurality of circular holes are formed in the surfaces of the adjusting fixing plates, the circle centers of the circular holes are connected together to form an arc-shaped line protruding outwards, the arc-shaped line is parallel to the outer end faces of the adjusting fixing plates, a sliding rod is vertically arranged on the section of the inner end of one first bottom plate, the inner end of the other first bottom plate is recessed from the inside of the section to form a sliding groove, the sliding rod slides in the sliding groove, the limiting support table comprises a second bottom plate and two connecting plates formed by vertically and upwards extending the tail ends of the two sides of the second bottom plate, fixing holes are formed in the two ends of the connecting plates, fastening parts are installed in the fixing holes, and each fastening part comprises a bolt, a gasket and a nut.
2. The motor stator and rotor assembly device of claim 1, wherein a spacer is fixed on the second base plate, a second through hole is axially formed in the center of the tool holder, and the spacer penetrates through the first through hole and the second through hole.
3. The motor stator and rotor assembly apparatus of claim 1, wherein the top end of the stator is provided with a guide sleeve, the inner diameter of the guide sleeve matches with the outer diameter of the rotor, and the positioning rod axially passes through the guide sleeve and is fixedly connected with the guide sleeve.
4. A motor stator and rotor assembling method, based on the motor stator and rotor assembling device of any one of claims 1 to 3, characterized by comprising:
step S1, providing a rotor, wherein the rotor comprises a rotating shaft, and the height of a limiting saddle is adjusted to match the extension length of the rotating shaft;
step S2, vertically placing the stator on the stator seat, and installing a positioning rod and a guide sleeve;
step S3, vertically hanging the rotor into the inner hole of the guide sleeve, and adjusting the rotor to be concentric with the stator; step S4, the rotor is assembled downwards, the lower end of the rotating shaft contacts with the surface of the limit saddle;
and step S5, the guide sleeve and the positioning rod are removed, and the stator and the rotor are assembled.
5. The method of assembling a stator and a rotor of an electric machine according to claim 4,
step S1 includes:
step S11, fixing the bolt on a circular hole of the adjusting hole;
step S12, adjusting the center distance of the two first bottom plates to make the center distance of the circular holes of the two adjusting bases consistent with the center distance of the two fixing holes;
and step S13, two bolts transversely penetrate through the circular holes on one sides of the two adjusting bases and the fixing holes of the limiting supporting platform, the two bolts penetrate through the circular holes on the other sides of the two adjusting bases, and the external threads of the parts, exposed outwards, of the bolts are in meshed connection with the nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363445.1A CN111371272B (en) | 2020-04-30 | 2020-04-30 | Motor stator and rotor assembling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363445.1A CN111371272B (en) | 2020-04-30 | 2020-04-30 | Motor stator and rotor assembling device and method |
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| Publication Number | Publication Date |
|---|---|
| CN111371272A CN111371272A (en) | 2020-07-03 |
| CN111371272B true CN111371272B (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010363445.1A Active CN111371272B (en) | 2020-04-30 | 2020-04-30 | Motor stator and rotor assembling device and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710070A (en) * | 2012-06-14 | 2012-10-03 | 湘潭电机股份有限公司 | Assembly device for integrally assembling stator and rotor |
| CN206506417U (en) * | 2017-01-24 | 2017-09-19 | 杭州娃哈哈精密机械有限公司 | A kind of hollow shaft motor assembly tooling |
| CN209516862U (en) * | 2019-04-12 | 2019-10-18 | 湖州勤丰电机有限公司 | A kind of assembly tooling of medical treatment centrifuge high-speed motor component |
| WO2020011059A1 (en) * | 2018-07-13 | 2020-01-16 | 上海交通大学 | Magnetic performance measuring device for serialized claw pole generator rotors |
| CN210075021U (en) * | 2019-08-05 | 2020-02-14 | 湘潭电机股份有限公司 | Motor stator and rotor assembling machine |
| CN210139517U (en) * | 2018-12-27 | 2020-03-13 | 江苏恒豪电力科技有限公司 | High-precision clamp for machining end of cylindrical graphite electrode |
-
2020
- 2020-04-30 CN CN202010363445.1A patent/CN111371272B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102710070A (en) * | 2012-06-14 | 2012-10-03 | 湘潭电机股份有限公司 | Assembly device for integrally assembling stator and rotor |
| CN206506417U (en) * | 2017-01-24 | 2017-09-19 | 杭州娃哈哈精密机械有限公司 | A kind of hollow shaft motor assembly tooling |
| WO2020011059A1 (en) * | 2018-07-13 | 2020-01-16 | 上海交通大学 | Magnetic performance measuring device for serialized claw pole generator rotors |
| CN210139517U (en) * | 2018-12-27 | 2020-03-13 | 江苏恒豪电力科技有限公司 | High-precision clamp for machining end of cylindrical graphite electrode |
| CN209516862U (en) * | 2019-04-12 | 2019-10-18 | 湖州勤丰电机有限公司 | A kind of assembly tooling of medical treatment centrifuge high-speed motor component |
| CN210075021U (en) * | 2019-08-05 | 2020-02-14 | 湘潭电机股份有限公司 | Motor stator and rotor assembling machine |
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| Publication number | Publication date |
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| CN111371272A (en) | 2020-07-03 |
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Address after: 215400 Science and Technology Industrial Park of Taicang City, Suzhou City, Jiangsu Province Patentee after: Suzhou Jiadian Permanent Magnet Motor Technology Co.,Ltd. Address before: 215400 Science and Technology Industrial Park of Taicang City, Suzhou City, Jiangsu Province Patentee before: SUZHOU JIADIAN FLYING BALL MOTOR Co.,Ltd. |