CN220342124U

CN220342124U - Piece together piece-wise stator frock

Info

Publication number: CN220342124U
Application number: CN202321818849.0U
Authority: CN
Inventors: 孙西凯; 胡璇; 张菁
Original assignee: Shanghai Ruineng Gaoqi Automation Co ltd
Current assignee: Shanghai Ruineng Gaoqi Automation Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-12
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a split type stator tool. The split type stator tool comprises a positioning base, a detachable core rod, a plurality of split block assemblies and a locking hoop assembly, wherein the detachable core rod is arranged on the positioning base; the plurality of splicing block assemblies are sequentially connected along the circumferential direction of the detachable mandrel to form a circular stator winding frame, and the stator winding frame is used for winding coils to form a stator; and the locking hoop assembly is positioned on the outer surface of the stator and used for locking the stator. The assembly can be locked through the locking hoop assembly, the situation that the assembly is not completely attached to the detachable core rod is greatly reduced, the roundness of the stator is improved, and the performance of the motor is further improved.

Description

Piece together piece-wise stator frock

Technical Field

The utility model relates to the field of servo motors, in particular to a split type stator tool.

Background

At present, the roundness of the stator is ensured by means of a detachable core rod when the stator is assembled. When the stator is assembled, the situation that the detachable core rod is not completely attached to the assembly block assembly can occur, so that roundness of the stator is distorted, and the performance of the motor is affected.

Disclosure of Invention

In view of this, the present application provides a piece-wise stator tooling to solve the above technical problems.

The application provides a piece together piece-wise stator frock, piece-wise stator frock includes: positioning a base; the detachable core rod is arranged on the positioning base; the plurality of splicing block assemblies are sequentially connected along the circumferential direction of the detachable core rod to form a circular stator winding frame, and the stator winding frame is used for winding coils to form a stator; and the locking hoop assembly is positioned on the outer surface of the stator and used for locking the stator.

In some embodiments, the outer surface of the removable mandrel includes a plurality of ribs spaced apart along the circumference of the removable mandrel.

In some embodiments, two adjacent ribs form a receiving space, and the tile assembly is located in the receiving space.

In some embodiments, the ribs are disposed along an axial direction of the removable mandrel.

In some embodiments, at least one magnetic steel is embedded in the surface of the removable mandrel, the magnetic steel being used to attract the tile assembly such that the tile assembly and the removable mandrel fit.

In some embodiments, the locking collar assembly includes a locking mechanism and a collar encircling the stator, the locking mechanism connecting the collar.

In some embodiments, the locking mechanism includes a first locking tab provided with a first through hole, a second locking tab provided with a second through hole, and a locking lever for passing through the first through hole and the second through hole.

In some embodiments, the center of the positioning base is provided with a groove, and the bottom of the detachable mandrel is provided with a key groove corresponding to the groove.

In some embodiments, the edge of the positioning base is provided with an annular protrusion, the groove of the positioning base is connected with the key groove of the detachable core rod, an annular space is formed between the annular protrusion of the positioning base and the detachable core rod, and the bottoms of the plurality of split block assemblies are located in the annular space.

In some embodiments, the first through hole and the second through hole are internally provided with grooves, and the lock rod surface is provided with key grooves corresponding to the grooves.

The split type stator tool comprises a positioning base, a detachable core rod, a plurality of split block assemblies and a locking hoop assembly, wherein the detachable core rod is installed on the positioning base; the plurality of splicing block assemblies are sequentially connected along the circumferential direction of the detachable mandrel to form a circular stator winding frame, and the stator winding frame is used for winding a coil to form a stator; the locking hoop component is positioned on the outer surface of the stator and used for locking the stator. The assembly can be locked through the locking hoop assembly, the situation that the assembly is not completely attached to the detachable core rod is greatly reduced, the roundness of the stator is improved, and the performance of the motor is further improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a first embodiment of a modular stator tooling of the present application;

FIG. 2 is a schematic structural view of an embodiment of the removable mandrel of the present application;

FIG. 3 is a schematic structural view of a second embodiment of a split stator tooling of the present application;

FIG. 4 is a schematic structural view of an embodiment of a latch ferrule assembly of the present application;

FIG. 5 is a schematic view of an embodiment of a positioning base of the present application;

fig. 6 is a schematic structural diagram of a third embodiment of a split stator tooling of the present application.

Detailed Description

The following describes the embodiments of the present application in detail with reference to the drawings. It is specifically noted that the following examples are only for illustration of the present application, but do not limit the scope of the present application. Likewise, the following embodiments are only some, but not all, of the embodiments of the present application, and all other embodiments obtained by one of ordinary skill in the art without inventive effort are within the scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electric connection; may be directly connected or may be connected via an intermediate medium. It will be apparent to those skilled in the art that the foregoing is in the specific sense of this application.

In the description of the present application, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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 present application. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. Further, "a plurality" herein means two or more than two. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In order to solve the above-mentioned problems, the present application provides a split stator tooling, please refer to fig. 1, and fig. 1 is a schematic structural diagram of the split stator tooling.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a first embodiment of a split stator tooling of the present application. The modular stator tooling 100 includes a positioning base 110, a removable mandrel 120, a plurality of tile assemblies 130, and a locking collar assembly 140. Wherein, the detachable core rod 120 is installed on the positioning base 110; the plurality of segment assemblies 130 are sequentially connected along the circumferential direction of the detachable mandrel 120 to form a circular stator bobbin for winding a coil to form a stator; the locking collar assembly 140 is located on the outer surface of the stator for locking the stator.

The positioning base 110 is used for ensuring that bottoms of the plurality of tile assemblies 130 are located on the same plane, so as to ensure bottom uniformity of the plurality of tile assemblies 130; the removable mandrel 120 is used to support the circle of the tile assembly 130, and in some embodiments, the removable mandrel 120 may be metal; the latch assembly 140 is used to latch the stator.

The utility model provides a piece formula stator frock 100, piece formula stator frock 100 includes positioning base 110, can dismantle plug 120, a plurality of piece subassemblies 130 and lock hoop subassembly 140. Wherein, the detachable core rod 120 is installed on the positioning base 110; the plurality of segment assemblies 130 are sequentially connected along the circumferential direction of the detachable mandrel 120 to form a circular stator bobbin for winding a coil to form a stator; the locking collar assembly 140 is located on the outer surface of the stator for locking the stator. The split assembly 130 can be locked through the locking hoop assembly 140, so that the situation that the split assembly 130 is not completely attached to the detachable core rod 120 is greatly reduced, the roundness of the stator is improved, and the performance of the motor is further improved.

Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a detachable mandrel according to the present application. The outer surface of the detachable mandrel 120 comprises a plurality of ribs 150, and the ribs 150 are arranged at intervals along the circumferential direction of the detachable mandrel 120; at least one magnetic steel 170 is embedded in the surface of the detachable mandrel 120, and the magnetic steel 170 is used for adsorbing the tile assembly 130, so that the tile assembly 130 is attached to the detachable mandrel 120, and in some embodiments, the magnetic steel 170 may be a metal that attracts ferromagnetic substances.

Optionally, referring to fig. 2, a plurality of ribs 150 are disposed along the axial direction of the detachable mandrel 120. In some embodiments, ribs 150 are rectangular in cross-section, alternatively, a single tile assembly 130 may be placed into receiving space 160 along two adjacent ribs 150; individual tile assemblies 130 may also be directly embedded into receiving space 160. In some embodiments, ribs 150 are circular in cross-section, alternatively, a single tile assembly 130 may be placed into receiving space 160 along two adjacent ribs 150; in some embodiments, the ribs 150 are triangular in cross-section, with the tips of the triangular ribs 150 facing outward, alternatively, a single tile assembly 130 may be placed into the receiving space 160 along two adjacent ribs 150; individual tile assemblies 130 may also be directly embedded into receiving space 160. It should be noted that the above description is merely exemplary, and the shape of the cross section of the rib 150 is not limited in this application.

Alternatively, referring to fig. 2, two adjacent ribs 150 form a receiving space 160, and the receiving space 160 is used for receiving a single tile assembly 130. By placing each tile assembly 130 into the receiving space 160, it is ensured that each tile assembly 130 is disposed at a predetermined position, avoiding tilting of the tile assembly 130. In some embodiments, a single tile assembly 130 may be placed into the receiving space 160 along two adjacent ribs 150; in other embodiments, a single tile assembly 130 may be directly embedded into the receiving space 160.

Alternatively, referring to fig. 2, the number of ribs 150 may be set according to the number of the segment assemblies 130, for example, 12 segment assemblies 130 forming the stator are provided, and 12 ribs 150 are provided based on the number of segment assemblies 130, and it should be noted that the number of ribs 150 is not limited in this application, and the above-mentioned "12 ribs 150" is only illustrative.

Alternatively, referring to FIG. 2, the magnetic steel 170 may be embedded in the removable mandrel 120 to improve the fit between the surface of the removable mandrel 120 and the tile assembly 130. In some embodiments, the outer surface of the magnetic steel 170 may be 0.2mm below the outer diameter of the detachable mandrel 120, and it should be noted that "0.2mm" is merely an exemplary illustration, and the present application is not limited in height.

Alternatively, referring to fig. 2, the magnetic steel 170 may be disposed in the accommodating space 160, and the tile assembly 130 may be more conveniently placed into the accommodating space 160 due to the adsorption force of the magnetic steel 170, and meanwhile, the adhesion degree between the surface of the detachable mandrel 120 and the tile assembly 130 is improved. In some embodiments, the length of the magnetic steel 170 is lower than the length of the tile assembly 130 for accurately adsorbing the tile assembly 130 to the receiving space 160.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a second embodiment of a split stator tooling of the present application. The split stator tooling 200 provided in fig. 5 is described on the basis of fig. 1, and the split stator tooling 200 in fig. 5 includes the positioning base 110, the locking hoop assembly 140, the plurality of split assemblies 130 and the connection relation and function limitation between the modules in fig. 1, and further includes the detachable mandrel 120 in fig. 2, wherein the outer surface of the detachable mandrel 120 includes a plurality of ribs 150, and the plurality of ribs 150 are arranged at intervals along the circumferential direction of the detachable mandrel 120; at least one magnetic steel 170 is embedded in the surface of the detachable mandrel 120, and the magnetic steel 170 is used for adsorbing the tile assembly 130, so that the tile assembly 130 is attached to the detachable mandrel 120. For a description of the detachable mandrel 120 in this embodiment, please refer to the related embodiment in fig. 5, and the description thereof is omitted herein.

Referring to fig. 4, fig. 4 is a schematic structural view of an embodiment of a locking collar assembly of the present application. The locking collar assembly 140 includes a locking mechanism 141 and a collar 142 encircling the stator, the locking mechanism 141 connecting the collar 142. The locking mechanism 141 includes a first locking lug 143, a second locking lug 144, and a locking rod 145, the first locking lug 143 being provided with a first through hole, the second locking lug 144 being provided with a second through hole, the locking rod 145 being adapted to pass through the first through hole and the second through hole.

In some embodiments, locking bar 145 is provided with a fastening assembly disposed on a side of first latch tab 143 remote from second latch tab 144, the fastening assembly being threaded on the inside and locking bar 145 surface. In an application scenario, the collar 142 is wrapped around the stator and the fastening assembly is rotated in a direction toward the second locking tab 144 until the collar 142 locks the stator.

In some embodiments, the surface of the first through hole, the surface of the second through hole, and the surface of the locking bar 145 are provided with threads. In an application scenario, collar 142 is wrapped around the stator and lock bar 145 is rotated in a direction toward the first through hole until collar 142 locks the stator.

In some embodiments, the surface of the first through hole and the surface of the second through hole are provided with grooves 180, and the surface of the lock lever 145 is provided with key grooves 190 corresponding to the grooves 180. In an application scenario, collar 142 is wrapped around the stator and lock bar 145 is moved in a direction toward the first through hole until collar 142 locks the stator.

Referring to fig. 5 and 3, fig. 5 is a schematic structural diagram of an embodiment of a positioning base of the present application. The center of the positioning base 110 is provided with a groove 180, and the bottom of the detachable mandrel 120 is provided with a key groove corresponding to the groove 180. The edge of the positioning base 110 is provided with an annular protrusion, the groove 180 of the positioning base 110 is connected with the key groove of the detachable core rod, an annular space is formed between the annular protrusion of the positioning base 110 and the detachable core rod 120, and the bottoms of the plurality of block assemblies 130 are located in the annular space.

Wherein, the positioning base 110 is used for ensuring the bottom uniformity of the stator; the annular space is used to secure the bottoms of the tile assemblies 130, ensuring that each tile assembly 130 is disposed in a predetermined position, avoiding tilting of the tile assembly 130.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a third embodiment of a split stator tooling of the present application. The modular stator tooling 300 provided in fig. 6 is described on the basis of fig. 3, and the modular stator tooling in fig. 5 includes the positioning base 110, the removable mandrel 120, the plurality of modular assemblies 130, and the connection relationships and functional definitions between the modules of fig. 3, and further includes the first latch assembly 210 and the second latch assembly 220. The first locking device 210 and the second locking device 220 are described on the basis of fig. 4, and refer to the related embodiment in fig. 5, which is not repeated herein.

In an implementation scenario, referring to fig. 2 and 3, the detachable mandrel 120 is mounted on the positioning base 110, and an outer surface of the detachable mandrel 120 includes a plurality of ribs 150, and two adjacent ribs 150 form a receiving space 160. The plurality of segment assemblies 130 are placed in the accommodating space 160 formed by the detachable core rod 120, and are sequentially connected in the circumferential direction of the detachable core rod 120, forming a circular stator bobbin. The stator is formed by diffracting the coil at the stator bobbin. The locking assembly 140 comprises a locking mechanism 141 and a hoop 142, wherein the hoop 142 is arranged on the outer surface of the stator to surround the stator into a ring shape, and the locking mechanism 141 enables the hoop 142 to lock the stator.

In an application scenario, referring to fig. 3, the split stator tooling 100 is set, and after the split stator tooling 100 is placed in a casing, the locking hoop assembly 140 is separated from the detachable mandrel 120, so that the inner circle of the stator is prevented from being changed due to external pressure when the stator enters the casing.

The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.

In the several embodiments provided in the present application, it should be understood that the disclosed methods and apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical, or other forms.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

Claims

1. The utility model provides a piece together piece-type stator frock which characterized in that, piece-type stator frock includes:

positioning a base;

the detachable core rod is arranged on the positioning base;

the plurality of splicing block assemblies are sequentially connected along the circumferential direction of the detachable core rod to form a circular stator winding frame, and the stator winding frame is used for winding a coil to form a stator;

and the locking hoop assembly is positioned on the outer surface of the stator and used for locking the stator.

2. The modular stator assembly of claim 1, wherein the outer surface of the removable mandrel includes a plurality of ribs spaced apart along a circumferential direction of the removable mandrel.

3. The modular stator assembly of claim 2 wherein two adjacent ribs define a receiving space, and wherein the modular component is located in the receiving space.

4. A modular stator tooling as claimed in claim 2 or claim 3 wherein the ribs are disposed axially of the removable mandrel.

5. The modular stator tooling of claim 1, wherein the surface of the removable mandrel is embedded with at least one magnetic steel that is used to attract the modular assembly such that the modular assembly and the removable mandrel are in registry.

6. The modular stator tooling of claim 1 wherein the locking collar assembly comprises a locking mechanism and a collar encircling the stator, the locking mechanism connecting the collar.

7. The modular stator tooling of claim 6, wherein the locking mechanism comprises a first locking tab, a second locking tab, and a locking lever, the first locking tab being provided with a first through hole, the second locking tab being provided with a second through hole, the locking lever being configured to pass through the first through hole and the second through hole.

8. The split stator tooling of claim 1, wherein a groove is formed in the center of the positioning base, and a key groove corresponding to the groove is formed in the bottom of the detachable core rod.

9. The split stator tooling of claim 8, wherein an annular protrusion is provided at an edge of the positioning base, a groove of the positioning base is connected with a key slot of the detachable core rod, an annular space is formed between the annular protrusion of the positioning base and the detachable core rod, and bottoms of the plurality of split components are located in the annular space.

10. The modular stator tooling of claim 7, wherein the first through hole and the second through hole are internally provided with grooves, and the locking bar surface is provided with keyways corresponding to the grooves.