CN213072387U - Stator winding assembly fixture and hub motor assembly system - Google Patents
Stator winding assembly fixture and hub motor assembly system Download PDFInfo
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- CN213072387U CN213072387U CN202022373337.0U CN202022373337U CN213072387U CN 213072387 U CN213072387 U CN 213072387U CN 202022373337 U CN202022373337 U CN 202022373337U CN 213072387 U CN213072387 U CN 213072387U
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Abstract
The application provides a stator winding assembly tool and a hub motor assembly system, wherein the stator winding assembly tool comprises a plurality of clamp bodies, the clamp bodies are sequentially spliced end to end and enclose a clamping space for accommodating a coil and a tooth part of a stator core, and the clamp bodies can move relatively to adjust the size of the clamping space; the inner wall of each fixture body is provided with a plurality of bulges and a plurality of grooves, the bulges and the grooves of the fixture bodies are alternately arranged in the circumferential direction of the clamping space, the grooves are used for abutting against the tooth parts of the stator core, and the bulges are used for abutting against the coil. The assembly tool is used for assembling the coil and the stator core, so that the difficulty is low, the labor intensity is low, and the efficiency is high; the flatness is good, and the coil is not easy to scrape the rotor.
Description
Technical Field
The utility model relates to a motor manufacturing technology field particularly, relates to a stator winding assembly fixture and in-wheel motor assembly system.
Background
In order to improve the slot filling rate of the stator part of the hub motor, the stator coil is designed to be of a trapezoidal structure, so that the problem that the stator winding and the stator framework are difficult to install is caused. Because the stator framework and the stator winding can not bear large impact force, the stator framework and the stator winding are generally installed in a knocking mode, otherwise, the insulating layers of the stator framework and the winding can be damaged. However, if the stator winding is installed only by hand, the stator winding cannot be installed in place, that is, the stator winding cannot be completely assembled to the teeth of the stator core, the outer circle of the stator winding is uneven, and the stator winding may scrape the rotor in a serious case.
The inventor researches and discovers that the existing stator winding and stator core assembly has the following defects:
the manual assembly efficiency is low, and the product percent of pass is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stator winding assembly fixture and in-wheel motor assembly system, it can improve the qualification rate of assembly efficiency and improvement product.
The embodiment of the utility model is realized like this:
first aspect, this embodiment provides a stator winding assembly fixture, includes:
the plurality of clamp bodies are sequentially spliced end to end and enclose a clamping space for accommodating the coil and the tooth part of the stator core, and the plurality of clamp bodies can move relatively to adjust the size of the clamping space; the inner wall of each fixture body is provided with a plurality of bulges and a plurality of grooves, the bulges and the grooves of the fixture bodies are alternately arranged in the circumferential direction of the clamping space, the grooves are used for abutting against the tooth parts of the stator core, and the bulges are used for abutting against the coil.
Optionally, the inner wall of the clamp body is an arc-shaped surface.
Optionally, the clamp body is an arc-shaped strip.
Optionally, any adjacent clamp bodies are connected by a fastener, and the fastener is used for driving the adjacent clamp bodies to move relatively, so as to adjust the size of the clamping space.
Optionally, the fastener is a bolt, the bolt includes a screw rod with an end cap and a nut screwed with the screw rod, the bolt is simultaneously penetrated through the adjacent clamp bodies, and the part of the adjacent clamp body is located between the end cap and the nut;
the size of the clamping space is adjusted by adjusting the position of the nut relative to the end cap.
Optionally, the clamp body comprises a clamping portion and two lugs connected with the clamping portion, and the two lugs are arranged at intervals in the extending direction of the clamping portion; the clamping parts of the plurality of clamp bodies jointly enclose a clamping space; the bulge and the groove are arranged on the clamping part; the screw rod simultaneously passes through two lugs of adjacent clamp bodies, and the two lugs of the adjacent clamp bodies are positioned between the nut and the end cap.
Optionally, the lug is provided with a through hole for the screw to pass through.
Optionally, the lug is integrally formed with the clamping portion.
Optionally, the number of the clamp bodies is more than three.
Optionally, the width of the protrusion is equal to the distance between adjacent stator core teeth, wherein the width direction of the protrusion is the circumferential direction of the clamping space.
Optionally, the width of the groove is not less than the width of the stator core tooth portion, wherein the width direction of the groove is the circumferential direction of the clamping space.
Optionally, the height of the protrusion is 0.80mm to 1.60mm in the radial direction of the clamping space.
In a second aspect, the present embodiment also provides a hub motor assembly system including:
the stator winding assembling tool is provided.
The embodiment of the utility model provides a beneficial effect is:
to sum up, the stator winding assembly fixture that this embodiment provided when carrying out the assembly of coil and stator core tooth portion, adjusts the position of anchor clamps earlier, makes a plurality of anchor clamps keep away from each other, and the centre gripping space that a plurality of anchor clamps were injectd is great, places coil and stator core tooth portion in the centre gripping space, and makes the arch on the anchor clamps body correspond with the coil, and recess and stator core tooth portion correspond. Then, the drive anchor clamps bodies make a plurality of anchor clamps bodies be close to each other, reduce the size in centre gripping space, because stator core and recess correspond, the two can the joint, and stator core can support to hold on the groove diapire of recess, plays spacing effect, and simultaneously, arch and coil support hold, reduce the in-process at centre gripping space, and the coil is pressed to the arch, makes the outer disc parallel and level that the coil constitutes, compares the manual work and assembles, has reduced intensity of labour, has improved assembly efficiency.
Simultaneously, can adjust the anchor clamps body of different positions as required to the relation of coil and stator core tooth portion that the anchor clamps body that the adjustment and position change corresponds improves coil and stator core tooth portion assembly quality, and the stator winding structure is regular, and is better with the rotor cooperation, is difficult for appearing the condition that the coil scraped the rotor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a stator winding assembly fixture according to an embodiment of the present invention;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
fig. 3 is an application schematic diagram of the stator winding assembly fixture according to the embodiment of the present invention.
Icon:
001-coil; 002-stator core tooth portion; 100-a clamp body; 110-a clamping space; 120-a clamping portion; 121-concave arc surface; 122-convex arc surface; 123-projection; 124-grooves; 130-a lug; 200-a fastener; 210-a screw; 220-an end cap; 230-nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a stator winding assembly fixture, which is used for assembling a coil 001 to a positioning iron core tooth portion, so that the labor intensity can be reduced, the assembly efficiency can be improved, the coil 001 can be regulated, the outer periphery of the stator winding is tidy, and the assembly quality can be improved.
Referring to fig. 1 and 2, in the present embodiment, the stator winding assembly fixture includes a plurality of clamp bodies 100, the plurality of clamp bodies 100 are sequentially spliced end to end and enclose a clamping space 110 for receiving the coil 001 and the stator core tooth portion 002, and the plurality of clamp bodies 100 can move relatively to adjust the size of the clamping space 110; the inner wall of each clamp body 100 is provided with a plurality of protrusions 123 and a plurality of grooves 124, the plurality of protrusions 123 and the plurality of grooves 124 of the plurality of clamp bodies 100 are alternately arranged in the circumferential direction of the clamping space 110, the grooves 124 are used for abutting against the stator core tooth portions 002, and the protrusions 123 are used for abutting against the coil 001.
Referring to fig. 3, in the stator winding assembly fixture provided in this embodiment, when the coil 001 and the stator core tooth portion 002 are assembled, the positions of the plurality of fixture bodies 100 are adjusted first, so that the plurality of fixture bodies 100 are away from each other, the clamping space 110 defined by the plurality of fixture bodies 100 is large, the coil 001 and the stator core tooth portion 002 are placed in the clamping space 110, the protrusion 123 on the fixture body 100 corresponds to the coil 001, and the groove 124 corresponds to the stator core tooth portion 002; note that one projection 123 corresponds to a portion of the adjacent coil 001. Then, the drive anchor clamps body 100, make a plurality of anchor clamps bodies 100 be close to each other, reduce the size of centre gripping space 110, because stator core and recess 124 correspond, the two can the joint, stator core can support and hold on the groove bottom wall of recess 124, play spacing effect, and simultaneously, arch 123 supports with coil 001 and holds, reduce the in-process at centre gripping space 110, coil 001 is pressed to arch 123, make coil 001 pressed in the groove of stator core tooth portion 002, and coil 001 is pressed in the groove, the outer disc parallel and level of coil 001 and the periphery that does not have protruding stator core tooth portion 002, the difficult condition that coil 001 scraped the rotor that appears. Compared with manual assembly, the labor intensity is reduced, and the assembly efficiency is improved.
Meanwhile, the number of the clamp bodies 100 is multiple, and the clamp bodies 100 at different positions are adjusted as required, so that the relationship between the coil 001 and the stator core tooth part 002 corresponding to the clamp body 100 with the changed position is adjusted, the assembly quality of the coil 001 and the stator core tooth part 002 is improved, the stator winding structure is regular, and the stator winding structure is better matched with a rotor.
It should be noted that, during assembly, the protrusion 123 corresponds to the coil, in order to avoid the protrusion to generate a large tangential force to the coil when pressing the coil, optionally, the width of the protrusion 123 is equal to the distance between adjacent stator core tooth portions, wherein the width direction of the protrusion is the circumferential direction of the clamping space, and with such a design, the contact area of the protrusion 123 and the coil is large, the pressure acting on the coil is more uniform, and the coil is not easy to fall off or scatter. Further, the height of the protrusion 123 protruding out of the concave arc surface of the clamp body 100 is 0.80mm-1.60mm, so that the coil is prevented from being pressed in place or being pressed excessively. For example, the height of the protrusion 123 may be 0.80mm, 1.20mm, 1.60mm, or the like.
Meanwhile, the width of the groove 124 is set to be not less than that of the stator core tooth part, so that the stator core tooth part can be conveniently inserted into the groove 124, and the positioning is more accurate.
Note that the width directions of the protrusion 123 and the groove 124 are both circumferential directions of the clamping space. The height direction of the protrusion 123 is a radial direction of the clamping space.
In this embodiment, optionally, the clamp body 100 includes a clamping portion 120 and two lugs 130 connected to the clamping portion 120, and the two lugs 130 are arranged at intervals in the extending direction of the clamping portion 120.
The clamping portion 120 is an arc-shaped strip, further, the clamping portion 120 is an arc-shaped strip, the clamping portion 120 has an inner concave arc surface 121 and an outer convex arc surface 122, and the inner concave arc surface 121 is provided with a plurality of protrusions 123 and a plurality of grooves 124. The protrusions 123 and the grooves 124 on the same clamping portion 120 are alternately arranged in the extending direction of the clamping portion 120.
The lug 130 protrudes outward from the outer convex arc surface 122 of the clamping portion 120 in the radial direction of the circle on which the clamping portion 120 is located. It is set that the opposite side of the two lugs 130 on the same clamping portion 120 is the inner side, the side of the two lugs 130 on the same clamping portion 120 departing from is the outer side, and the outer side of the lug 130 has a distance from the end surface of the corresponding clamping portion 120. In other words, the two lugs 130 are respectively arranged close to the two end faces of the clamping portion 120, and the outer side of each lug 130 has a distance from the end face of the clamping portion 120 close to the lug 130, so that when two adjacent clamp bodies 100 are close to each other to reduce the size of the clamping space 110, the end face of the clamping portion 120 of the adjacent clamp body 100 can firstly abut against the two outer sides of the lug 130, a gap is not easy to exist between the two adjacent clamping portions 120, and the contact area between the concave arc surface 121 of the clamping portion 120 and the coil 001 or the stator core tooth portion 002 is large, so that the stress is better; for example, when the coil 001 is in contact with the coil, the shaping quality of the coil 001 can be improved; when contacting with stator core tooth portion 002, it is more stable, location effect is good.
Optionally, each lug 130 is provided with a through hole, and an axis of the through hole is tangent to a circle on which the outer convex arc surface 122 of the clamping portion 120 is located, or an axis of the through hole is tangent to a circle on which the inner concave arc surface 121 is located.
It should be noted that the plurality of clamp bodies 100 collectively define the clamping space 110, the number of the clamp bodies 100 is set as required, and may be, for example, two, three, four, or five, and the like, and the present embodiment is not particularly limited. The protrusions 123 and the grooves 124 on each of the jig bodies 100 are alternately arranged, and when a plurality of jig bodies 100 are spliced, the protrusions 123 and the grooves 124 of the plurality of jig bodies 100 are also alternately arranged to adapt to the assembly of the stator winding.
In this embodiment, optionally, the stator winding assembly fixture further includes a fastener 200, the adjacent fixture bodies 100 are connected by one fastener 200, and the fastener 200 is used for driving the adjacent fixture bodies 100 to approach to reduce the clamping space 110.
Alternatively, fastener 200 includes a threaded shank 210 having an end cap 220 and a nut 230 threadably engaged with threaded shank 210. The two lugs 130 of adjacent clamp bodies 100 are connected by a fastener 200. Specifically, the screw 210 simultaneously passes through the through holes on the two lugs 130 of the two adjacent fixture bodies 100, the nut 230 is screwed on the screw 210, the two lugs 130 of the two adjacent fixture bodies 100 are located between the nut 230 and the end cap 220, and the distance between the nut 230 and the end cap 220 is adjusted by screwing the nut 230, so that the time distance between the two lugs 130 is adjusted, the position adjustment of the two adjacent fixture bodies 100 is realized, and finally the size adjustment of the clamping space 110 is realized.
When the coil 001 and the stator core tooth 002 are pressed, the nut 230 needs to be loosened to separate the clamp bodies 100 from each other, thereby increasing the size of the clamping space 110. It is convenient to fit the coil 001 and the stator core tooth 002 into the stator space. Then, the nut 230 is tightened again to gradually reduce the clamping space 110. When the clamping space 110 is reduced, the nuts 230 may be tightened one by one, or a plurality of nuts 230 may be tightened at the same time, and the size of the clamping space 110 may be adjusted. And, the tightness of the nut 230 at different positions may be different according to the need to satisfy the compression of the coil 001 at different positions.
The stator winding assembly tool provided by the embodiment is convenient to operate, reduces the labor intensity and improves the efficiency; and the coil 001 and the stator core tooth part 002 have high assembly quality, and the coil 001 is not easy to scrape the rotor.
The embodiment also provides a hub motor assembling system which comprises the stator winding assembling tool, and the hub motor assembling operation is low in labor intensity, high in efficiency and high in assembling quality; the operation of the hub motor is stable and reliable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a stator winding assembly fixture which characterized in that includes:
the clamping device comprises a plurality of clamp bodies, a plurality of clamping units and a plurality of clamping units, wherein the plurality of clamp bodies are sequentially spliced end to end and enclose a clamping space for accommodating a coil and a tooth part of a stator core, and the plurality of clamp bodies can move relatively to adjust the size of the clamping space;
the inner wall of each fixture body is provided with a plurality of bulges and a plurality of grooves, the bulges and the grooves of the fixture bodies are alternately arranged in the circumferential direction of the clamping space, the grooves are used for abutting against the tooth parts of the stator core, and the bulges are used for abutting against the coil.
2. The stator winding assembly tooling of claim 1, wherein:
the inner wall of the clamp body is an arc-shaped surface.
3. The stator winding assembly tooling of claim 1, wherein:
the fixture body is an arc-shaped strip.
4. The stator winding assembly tooling of claim 1, wherein:
any adjacent clamp bodies are connected through a fastener, and the fastener is used for driving the adjacent clamp bodies to move relatively, so that the size of the clamping space is adjusted.
5. The stator winding assembly tooling of claim 4, wherein:
the fastener is a bolt, the bolt comprises a screw rod with an end cap and a nut in threaded connection with the screw rod, the bolt simultaneously penetrates through the adjacent clamp bodies, and the parts of the adjacent clamp bodies are located between the end cap and the nut;
adjusting the size of the clamping space by adjusting the position of the nut relative to the end cap.
6. The stator winding assembly tooling of claim 5, wherein:
the clamp body comprises a clamping part and two lugs which are connected with the clamping part, and the two lugs are arranged at intervals in the extending direction of the clamping part; the clamping parts of the plurality of clamp bodies jointly enclose the clamping space; the bulge and the groove are arranged on the clamping part; the threaded rod simultaneously passes through two lugs of adjacent clamp bodies, and the two lugs of adjacent clamp bodies are positioned between the nut and the end cap.
7. The stator winding assembly tooling of claim 1, wherein:
the width of the protrusion is equal to the distance between adjacent stator core tooth portions, wherein the width direction of the protrusion is the circumferential direction of the clamping space.
8. The stator winding assembly tooling of claim 6, wherein:
the width of the groove is not smaller than the width of the stator core tooth part, wherein the width direction of the groove is the circumferential direction of the clamping space.
9. The stator winding assembly tooling of claim 1, wherein:
the height of the protrusions is 0.80mm to 1.60mm in the radial direction of the clamping space.
10. An in-wheel motor assembly system, comprising:
the stator winding assembly tooling of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373337.0U CN213072387U (en) | 2020-10-22 | 2020-10-22 | Stator winding assembly fixture and hub motor assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373337.0U CN213072387U (en) | 2020-10-22 | 2020-10-22 | Stator winding assembly fixture and hub motor assembly system |
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| Publication Number | Publication Date |
|---|---|
| CN213072387U true CN213072387U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022373337.0U Active CN213072387U (en) | 2020-10-22 | 2020-10-22 | Stator winding assembly fixture and hub motor assembly system |
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| CN (1) | CN213072387U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437845A (en) * | 2021-05-26 | 2021-09-24 | 东风电驱动系统有限公司 | Simple tool for preventing deformation of armature coil inserting end face |
| CN113991954A (en) * | 2021-11-19 | 2022-01-28 | 浙江盘毂动力科技有限公司 | Stator coil assembling tool, assembly and method |
| CN114337155A (en) * | 2021-12-20 | 2022-04-12 | 深圳市金岷江智能装备有限公司 | Clamping mechanism and winding machine |
-
2020
- 2020-10-22 CN CN202022373337.0U patent/CN213072387U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113437845A (en) * | 2021-05-26 | 2021-09-24 | 东风电驱动系统有限公司 | Simple tool for preventing deformation of armature coil inserting end face |
| CN113991954A (en) * | 2021-11-19 | 2022-01-28 | 浙江盘毂动力科技有限公司 | Stator coil assembling tool, assembly and method |
| CN113991954B (en) * | 2021-11-19 | 2023-03-21 | 浙江盘毂动力科技有限公司 | Stator coil assembling tool, assembly and method |
| CN114337155A (en) * | 2021-12-20 | 2022-04-12 | 深圳市金岷江智能装备有限公司 | Clamping mechanism and winding machine |
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Effective date of registration: 20221202 Address after: 030000 Rooms 601, 602 and 605, Floor 6, Building 1, No. 4, Dong'e'er Lane, Taiyuan Xuefu Park, Taiyuan Comprehensive Reform Demonstration Zone, Shanxi Province Patentee after: SHANXI DONGHUI NEW ENERGY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Address before: Room c-0063, 2 / F, building 3, yard 30, Shixing street, Shijingshan District, Beijing Patentee before: Beijing Cuifeng Capital Investment Co.,Ltd. |