CN213317772U - Outer rotor motor stator excircle processing fixing assembly - Google Patents
Outer rotor motor stator excircle processing fixing assembly Download PDFInfo
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- CN213317772U CN213317772U CN202022199113.2U CN202022199113U CN213317772U CN 213317772 U CN213317772 U CN 213317772U CN 202022199113 U CN202022199113 U CN 202022199113U CN 213317772 U CN213317772 U CN 213317772U
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Abstract
The utility model relates to a fixed subassembly of external rotor electric machine stator excircle processing, including chuck axle sleeve, fixed disk and tailstock axle sleeve, the center of fixed disk is provided with axial first through-hole, and the stator pivot passes through with the fixed disk the first through-hole forms transition fit; the side wall of the fixed disk is provided with a first radial threaded hole, and the end face of the fixed disk is provided with an axial limiting rod. The utility model discloses an install the tailstock axle sleeve in lathe tailstock, chuck axle sleeve and fasten in the chuck of lathe, carry out circumference by tailstock axle sleeve, chuck axle sleeve and fixed disk to the pivot at stator both ends and fix a position, the axiality when guaranteeing the stator rotation, the gag lever post that stretches out on the rethread fixed disk drives the stator and rotates. The device has simple structure and convenient assembly, and can effectively ensure the coaxiality of the rotating shaft of the stator of the outer rotor motor when rotating.
Description
Technical Field
The utility model relates to a motor excircle processing auxiliary assembly, especially a subassembly is fixed in processing of external rotor electric machine stator excircle.
Background
The motor is a common device and is widely applied to daily life of people. The motor is generally assembled by a stator and a rotor, and then a housing is sleeved on the outside. For the equipment of stator and other subassemblies more convenient, need carry out lathe work to the excircle of stator, specifically pack into the dabber in the stator, be fixed in the chuck and the tailstock of lathe respectively with the both ends of dabber, carry out the turning to the stator excircle again.
As shown in fig. 1, which is a schematic structural diagram of a stator assembly of an external rotor motor, a coil 13 is embedded inside a stator lamination 12 and wound on two sides of the stator lamination 12, and a rotating shaft is assembled on two sides of the coil and waits to be assembled with an external rotor. In actual production, in order to improve the coaxiality of the outer circle of the stator relative to the rotating shaft of the stator, the electromagnetic gap between the outer circle of the stator and the rotor is reduced, finish machining needs to be carried out on the outer circle of the stator assembly, if the conventional mandrel is used for fixing, the rotating shafts 11 at two ends are firstly dismantled, time and labor are wasted, the original coaxiality requirement of the outer circle of the stator and the rotating shaft of the stator is lost, and the coaxiality of the rotor during rotation cannot be guaranteed completely.
In view of the above prior art, it is necessary to provide a fixing device suitable for outer circle machining of an outer rotor motor, which can effectively ensure the coaxiality of the stator during rotation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an external rotor motor stator excircle processing fixing component, which comprises a chuck shaft sleeve, a fixed disk and a tailstock shaft sleeve, wherein the chuck shaft sleeve and the fixed disk are sleeved on a rotating shaft at one side of a motor stator to be processed, and the fixed disk is arranged at one side close to the stator relative to the chuck shaft sleeve; the tail frame shaft sleeve is sleeved on the stator to be processed; the centers of the tail frame shaft sleeve, the fixed disc and the chuck shaft sleeve are positioned on the same axis;
the center of the fixed disc is provided with an axial first through hole, and the stator rotating shaft and the fixed disc form transition fit through the first through hole; the side wall of the fixed disk is provided with a first radial threaded hole, and the end face of the fixed disk is provided with an axial limiting rod.
Furthermore, an axial second threaded hole is formed in the end face of the fixed disc, and the limiting rod penetrates through the second threaded hole.
Further, the limiting rod is tangent to the outer end face of the chuck shaft sleeve.
Further, the fixed disc is provided with a first end part and a second end part which have different diameters, the first through hole is formed in the center of the first end part, the second through hole is formed in the center of the second end part, and the diameter of the second through hole is larger than that of the first through hole; the first threaded hole is formed in the side wall of the second end portion, and the second threaded hole is formed in the end face of the second end portion.
Furthermore, the number of the first threaded holes is two, and the two first threaded holes are oppositely arranged on the side wall of the fixed disc.
Further, one end of the chuck shaft sleeve is closed.
Furthermore, a chuck center is arranged in the chuck shaft sleeve and extends out of the closed end of the chuck shaft sleeve.
Furthermore, the tail frame shaft sleeve comprises a connecting pipe and a ferrule, a boss is arranged at one end of the connecting pipe, external threads are arranged on the outer circumference of the boss, internal threads are arranged on the inner side of the ferrule, and the ferrule is in threaded fit with the boss.
Further, the boss extends out of the tailstock center towards one end of the ferrule.
The utility model discloses an install the tailstock axle sleeve in lathe tailstock, chuck axle sleeve and fasten in the chuck of lathe, carry out circumference by tailstock axle sleeve, chuck axle sleeve and fixed disk to the pivot at stator both ends and fix a position, the axiality when guaranteeing the stator rotation, the gag lever post that stretches out on the rethread fixed disk drives the stator and rotates. The device has simple structure and convenient assembly, and can effectively ensure the coaxiality of the rotating shaft of the stator of the outer rotor motor when rotating.
Drawings
Fig. 1 is a schematic structural diagram of a stator assembly of an outer rotor motor;
FIG. 2 is a front view of the outer rotor motor stator outer circle processing fixing assembly of the present invention;
FIG. 3 is a schematic structural view of a fixing plate;
FIG. 4 is a front plan view of the holding pan;
FIG. 5 is a schematic view of the assembly of the fixed plate, the chuck sleeve and the machine tool chuck;
FIG. 6 is a schematic structural diagram of a tailstock shaft sleeve in the embodiment;
fig. 7 is an assembly schematic diagram of the outer circle processing fixing component of the outer rotor motor stator of the utility model.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The outer rotor motor stator excircle processing fixing assembly combined with the figures 2 and 7 comprises a chuck shaft sleeve 3, a fixed disc 2 and a tailstock shaft sleeve 4, wherein the chuck shaft sleeve 3 and the fixed disc 2 are sleeved on a rotating shaft 11 at one side of a motor stator to be processed, the fixed disc 2 is arranged at one side close to the stator relative to the chuck shaft sleeve 3, and the chuck shaft sleeve 3 is used for clamping the rotating shaft 11 at one end of the stator in a lathe chuck; one end of the tailstock shaft sleeve 4 is sleeved on the rotating shaft 11 on the other side of the stator to be machined, the other end of the tailstock shaft sleeve 4 is sleeved on a tailstock of a lathe, the tailstock shaft sleeve 4 is used for connecting a movable tailstock of the lathe and the rotating shaft 11 on the other end of the stator, and the centers of the tailstock shaft sleeve 4, the fixed disc 2 and the chuck shaft sleeve 3 are located on the same axis.
As shown in fig. 3 and 4, an axial first through hole 21 is formed in the center of the fixed disk 2, and the rotating shaft 11 of the stator is in transition fit with the fixed disk 2 through the first through hole 21. The side wall of the fixed disk 2 is provided with a radial first threaded hole 22, the end face of the fixed disk 2 is provided with an axial limiting rod 23, the first threaded hole 22 is used for fastening the fixed disk 2 and the stator rotating shaft 11, the fixed disk 2 is sleeved on the stator rotating shaft 11, and the stator rotating shaft 11 is fastened in a threaded mode through the first threaded hole 22, so that the coaxiality of the stator rotating shaft 11 and the fixed disk 2 is guaranteed. As shown in fig. 5, the chuck sleeve 3 is fixed by the chuck of the lathe, the rotating shaft 11 of the stator sequentially passes through the fixed disk 2 and the chuck sleeve 3, at this time, the limiting rod 23 is located between two jaws of the chuck, and when the chuck rotates, the jaws push the limiting rod 23 to drive the stator body to rotate.
In this embodiment, an axial second threaded hole 24 is formed in the end surface of the fixed disk 2, the limiting rod 23 is a threaded rod, the limiting rod 23 penetrates through the second threaded hole 24, and the second threaded hole 24 enables the limiting hole to adjust the distance of the limiting hole extending out relative to the fixed disk 2. Further, the limiting rod 23 is tangent to the outer end face of the chuck shaft sleeve 3.
Specifically, as shown in fig. 6, the fixed disk 2 has a first end and a second end with different diameters, the first through hole 21 is arranged in the center of the first end, the second end is provided with a second through hole 27 in the center, and the diameter of the second through hole 27 is larger than that of the first through hole 21; the first threaded hole 22 is arranged on the side wall of the second end part, and the second threaded hole 24 is arranged on the end face of the second end part; the first end is used for ensuring the circumferential positioning of the rotating shaft 11 in the fixed disc 2, and the second end is used for fastening the position of the rotating shaft 11. In order to increase the fastening effect of the fixing plate 2 on the rotating shaft 11, further, the number of the first threaded holes 22 is two, and the two first threaded holes 22 are oppositely arranged on the side wall of the second end portion.
The chuck shaft sleeve 3 is fixed in the center of the chuck and used for being matched with the fixed disc 2 to circumferentially position the stator rotating shaft 11 and ensure the coaxiality of the stator during rotation. Before the device works, the chuck shaft sleeve 3 can be clamped between clamping jaws of a lathe, the fixed disc 2 is installed on the stator rotating shaft 11, the rotating shaft 11 penetrates through the chuck shaft sleeve 3, and one end of the stator rotating shaft 11 is axially positioned by depending on the surface of the chuck. In this embodiment, one end of the chuck sleeve 3 is closed, and at this time, the chuck sleeve 3 is formed into a sleeve shape with one closed end and one open end, and after the stator rotating shaft 11 extends into the chuck sleeve 3, the closed end of the chuck sleeve 3 axially positions the rotating shaft 11. Further, a chuck tip is arranged in the chuck shaft sleeve 3 and extends out of the closed end of the chuck shaft sleeve 3.
Correspondingly, the tailstock shaft sleeve 4 is used for connecting the other end of the stator rotating shaft 11 with a tailstock of a lathe, one end of the tailstock shaft sleeve 4 is in transition fit with the stator rotating shaft 11, and the other end of the tailstock shaft sleeve 4 is sleeved on the tailstock of the lathe. In the embodiment, as shown in fig. 6, the tailstock shaft sleeve 4 includes a connecting pipe 41 and a collar 42, one end of the connecting pipe 41 is provided with a boss 43, an outer circumference of the boss 43 is provided with an external thread, an internal thread is provided in the collar 42, and the collar 42 and the boss 43 are in threaded fit. One end of the connecting pipe 41 far away from the ferrule 42 is sleeved with the tailstock, one end of the ferrule 42 far away from the connecting pipe 41 is connected with the stator rotating shaft 11, and the boss 43 is used for axially positioning the rotating shaft 11. Further, the boss 43 projects a tailstock center 44 toward one end of the ferrule 42.
The working process of the utility model is as follows: sleeving the tailstock shaft sleeve 4 on a lathe tailstock, installing the fixed sleeve on the stator rotating shaft 11, then installing the chuck shaft sleeve 3 on the outer side of the fixed sleeve, and fastening the chuck shaft sleeve 3 by using a chuck of a lathe; or the chuck shaft sleeve 3 is fastened in the chuck, and then the rotating shaft 11 extends into the chuck shaft sleeve 3; adjusting the position of the fixing sleeve, and radially fastening the rotating shaft 11 through the first threaded hole 22; pushing the tail frame to enable the rotating shaft 11 at the other end of the stator to extend into the shaft sleeve 4 of the tail frame; and at the moment, the external turning tool is started to process the excircle of the stator.
The utility model discloses an install tailstock axle sleeve 4 in lathe tailstock, chuck axle sleeve 3 and fasten in the chuck of lathe, carry out circumference by tailstock axle sleeve 4, chuck axle sleeve 3 and fixed disk 2 to the pivot 11 at stator both ends and fix a position, the axiality when guaranteeing the stator rotation, the gag lever post 23 that stretches out on the rethread fixed disk 2 drives the stator and rotates. The device has simple structure and convenient assembly, and can effectively ensure the coaxiality of the outer rotor motor stator rotating shaft 11 during rotation.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. Subassembly is fixed in outer rotor electric machine stator excircle processing, its characterized in that: the machining device comprises a chuck shaft sleeve, a fixed disc and a tail frame shaft sleeve, wherein the chuck shaft sleeve and the fixed disc are sleeved on a rotating shaft at one side of a motor stator to be machined; the tail frame shaft sleeve is sleeved on the stator to be processed; the centers of the tail frame shaft sleeve, the fixed disc and the chuck shaft sleeve are positioned on the same axis;
the center of the fixed disc is provided with an axial first through hole, and the stator rotating shaft and the fixed disc form transition fit through the first through hole; the side wall of the fixed disk is provided with a first radial threaded hole, and the end face of the fixed disk is provided with an axial limiting rod.
2. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 1, wherein: the end face of the fixed disc is provided with an axial second threaded hole, and the limiting rod penetrates through the second threaded hole.
3. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 2, wherein: the limiting rod is tangent to the outer end face of the chuck shaft sleeve.
4. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 2, wherein: the fixed disc is provided with a first end part and a second end part which have different diameters, the first through hole is formed in the center of the first end part, the second through hole is formed in the center of the second end part, and the diameter of the second through hole is larger than that of the first through hole; the first threaded hole is formed in the side wall of the second end portion, and the second threaded hole is formed in the end face of the second end portion.
5. The outer circle processing and fixing component of the outer rotor motor stator as claimed in any one of claims 1 to 4, wherein: the quantity of first screw hole is two, and two first screw holes set up in the lateral wall of fixed disk relatively.
6. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 5, wherein: one end of the chuck shaft sleeve is closed.
7. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 6, wherein: the chuck is characterized in that a chuck tip is arranged in the chuck shaft sleeve and extends out of the closed end of the chuck shaft sleeve.
8. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 7, wherein: the tail frame shaft sleeve comprises a connecting pipe and a ferrule, a boss is arranged at one end of the connecting pipe, external threads are arranged on the outer circumference of the boss, internal threads are arranged on the inner side of the ferrule, and the ferrule is in threaded fit with the boss.
9. The outer circle processing and fixing component of the outer rotor motor stator as claimed in claim 8, wherein: the boss extends out of the tailstock center towards one end of the ferrule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199113.2U CN213317772U (en) | 2020-09-30 | 2020-09-30 | Outer rotor motor stator excircle processing fixing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022199113.2U CN213317772U (en) | 2020-09-30 | 2020-09-30 | Outer rotor motor stator excircle processing fixing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213317772U true CN213317772U (en) | 2021-06-01 |
Family
ID=76069156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022199113.2U Active CN213317772U (en) | 2020-09-30 | 2020-09-30 | Outer rotor motor stator excircle processing fixing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213317772U (en) |
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2020
- 2020-09-30 CN CN202022199113.2U patent/CN213317772U/en active Active
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