Modularized winding tool for motor stator

The modular design of the motor stator winding fixture solves the problems of low winding efficiency and high cost in the existing technology, realizing efficient and low-cost stator winding, and has the ability to flexibly adjust the number of coils.

CN223514750UActive Publication Date: 2025-11-04WUXI HENGDA ELECTRIC MOTORS CO LTD
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Patent Information

Application Number
CN202422997343.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-11-04
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

In the existing technology, the winding process of the stator of a concentrated winding motor is inefficient and requires specialized automated equipment, resulting in high production costs.

Method used

The motor stator winding fixture adopts a modular design, including a front drive plate, iron core modules, iron core connecting plates and a rear driven plate. Simultaneous winding is achieved through the staggered arrangement of iron core modules. Combined with structures such as limit plates, dovetail bosses and positioning rods, the winding accuracy and quality are improved.

Benefits of technology

It achieves efficient stator winding, reduces production costs, improves production efficiency, and has the ability to flexibly adjust the number of coils.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223514750U_ABST
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Abstract

The utility model relates to a motor stator modularization winding tool, its structure comprises a front driving plate, iron core modules, iron core connecting plates and a rear driven plate, wherein a plurality of iron core modules are linearly and uniformly arranged, the adjacent iron core modules are connected in series through the iron core connecting plates, and the outer sides of the two iron core modules at two ends are respectively connected with the front driving plate and the rear driven plate. The utility model has the advantages that the structural design is reasonable, the coil winding of the stator module is realized in batches through the modular design, the production efficiency can be effectively improved, the number of the connected iron core modules can be adjusted, the number of the coils which are wound simultaneously can be flexibly adjusted conveniently, the expandability is realized, and the production efficiency is improved. And the winding tool can be flexibly adjusted according to actual conditions in combination with production lines and equipment time conditions.
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Description

Technical Field

[0001] This utility model relates to a motor stator winding fixture, specifically a modular winding fixture for a fractional slot concentrated winding motor stator. Background Technology

[0002] In the existing technology, the winding process of the stator of the concentrated winding motor has high requirements and the winding efficiency is low. Specialized automated winding equipment is required to meet the requirements of improving winding quality and slot fill factor, resulting in high production costs. Utility Model Content

[0003] This utility model proposes a modular winding tool for motor stators, which aims to overcome the above-mentioned shortcomings of the existing technology and achieve efficient stator winding at a lower cost.

[0004] The technical solution of this utility model is a modular winding fixture for a motor stator. Its structure includes a front drive plate, core modules, core connecting plates, and a rear driven plate. Several core modules are linearly and uniformly arranged, with adjacent core modules connected in series via core connecting plates. The outer sides of the two core modules at both ends are connected to the front drive plate and the rear driven plate, respectively. During operation, the core modules and core connecting plates are arranged in a staggered linear pattern in the middle of the fixture, allowing several core modules to be connected in series to achieve simultaneous winding.

[0005] Preferably, it also includes a core pressure plate and a locking nut, with the core pressure plate fixed at the top of the connection between the core module and the core connecting plate by a locking nut.

[0006] Preferably, the core connecting plate includes a limiting plate, a dovetail boss, and a positioning rod. The limiting plate is L-shaped, and a dovetail boss is provided in the middle of the outer side of the limiting plate along the height direction. A positioning rod is provided vertically on the inner side of the limiting plate. The core module has a ventilation hole that runs vertically through and matches the size of the positioning rod. The core module has an additional tooth groove that is set along the height direction and matches the shape of the dovetail boss. The ventilation hole of the core module is inserted into the positioning rod of one side of the core connecting plate, and the additional tooth groove is inserted into the dovetail boss of the other side of the core connecting plate.

[0007] Preferably, the front drive plate includes a limiting plate, a positioning rod, and a drive handle. The limiting plate is L-shaped, with the drive handle located in the middle of its outer side and the positioning rod vertically located on its inner side. The rear driven plate includes a limiting plate with a dovetail boss along its height direction on one side. The dovetail boss has set screw holes at its upper and middle portions, and a driven rotary shaft is located in the middle of the other side. The ventilation holes of the core modules adjacent to the front drive plate are connected to the positioning rod of the front drive plate, and the toothed additional grooves of the core modules adjacent to the rear driven plate are connected to the dovetail boss of the rear driven plate. The rear driven plate and the adjacent core modules are fixed together by set bolts passing through the set screw holes. The drive handle and the driven rotary shaft are located on the same rotation axis. During operation, the drive handle is connected to an external drive mechanism, and the driven rotary shaft is connected to the driven component, allowing for winding operations on each core module. The installation of set bolts through set screw holes makes the connection between the last core module and the rear driven plate more reliable.

[0008] Preferably, the limiting plate of the core connecting plate and the front drive plate has a shaped arc surface on the side near the core module eccentricity and the corresponding core module eccentricity. This allows for a tight fit between the core and the tooling, improving winding accuracy and quality.

[0009] The advantages of this utility model are: reasonable structural design, modular design to achieve batch winding of stator modules, which can effectively improve production efficiency, and the number of connected iron core modules can be adjusted to facilitate flexible adjustment of the number of coils wound at the same time. It has scalability and can flexibly adjust the winding tooling according to the actual situation, production line and equipment time. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the modular winding fixture for the motor stator of this utility model.

[0011] Figure 2 yes Figure 1 A schematic diagram of the front drive board.

[0012] Figure 3 yes Figure 1 A schematic diagram of the structure of the iron core connecting plate.

[0013] Figure 4 yes Figure 1 A schematic diagram of the structure of the rear driven plate.

[0014] Figure 5 yes Figure 1 A schematic diagram of the structure of the iron core module.

[0015] In the diagram, 1 is the front drive plate, 2 is the iron core module, 3 is the iron core connecting plate, 4 is the rear driven plate, 5 is the iron core pressure plate, 6 is the lock nut, 7 is the drive handle, 8 is the limit plate, 9 is the positioning rod, 10 is the dovetail boss, 11 is the driven rotary shaft, 12 is the ventilation hole, 13 is the toothed additional groove, and 14 is the set screw hole. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to embodiments and specific implementation methods.

[0017] like Figure 1 As shown, a modular winding fixture for a motor stator includes a front drive plate 1, a core module 2, a core connecting plate 3, a rear driven plate 4, a core pressure plate 5, and a locking nut 6. Several core modules 2 are linearly and evenly arranged, and adjacent core modules 2 are connected in series by core connecting plates 3. The top of the connection between the core module 2 and the core connecting plate 3 is fixed with a core pressure plate 5 by a locking nut 6. The two core modules at both ends are connected to the front drive plate 1 and the rear driven plate 4 on their outer sides, respectively.

[0018] Based on the above structure, the iron core module 2 and the iron core connecting plate 3 are arranged in a staggered linear pattern in the middle of the tooling, which allows several iron core modules 2 to be connected in series to achieve the purpose of winding at the same time.

[0019] like Figure 3 , 5 As shown, the core connecting plate 3 includes a limiting plate 8, a dovetail boss 10, and a positioning rod 9. The limiting plate 8 is L-shaped, and the dovetail boss 10 is provided in the middle of the outer side of the limiting plate 8 along the height direction. The positioning rod 9 is provided vertically on the inner side of the limiting plate 8. The core module 2 has a ventilation hole 12 that runs vertically through and matches the size of the positioning rod 9. The teeth of the core module 2 have additional tooth grooves 13 that are set along the height direction and match the shape of the dovetail boss 10. The ventilation hole 12 of the core module 2 is inserted into the positioning rod 9 of one side of the core connecting plate 3, and the additional tooth groove 13 is inserted into the dovetail boss 1 of the other side of the core connecting plate 3.

[0020] like Figure 2 , 4As shown, the front drive plate 1 includes a limiting plate 8, a positioning rod 9, and a drive handle 7. The limiting plate 8 is L-shaped, with the drive handle 7 located in the middle of its outer side and the positioning rod 9 vertically located on its inner side. The rear driven plate 4 includes a limiting plate 8, with a dovetail boss 10 located in the middle of one side along the height direction. The dovetail boss 10 has set screw holes 14 at its upper and middle parts, and a driven rotary shaft 11 located in the middle of the other side. The ventilation hole 12 of the core module 2 adjacent to the front drive plate 1 is inserted into the positioning rod 9 of the front drive plate 1, and the toothed additional groove 13 of the core module 2 adjacent to the rear driven plate 4 is inserted into the dovetail boss 10 of the rear driven plate 4. The rear driven plate 4 and the adjacent core module 2 are fixed by set bolts passing through the set screw holes 14. The drive handle 7 and the driven rotary shaft 11 are located on the same rotary axis.

[0021] During operation, the drive handle 7 is connected to the external drive mechanism, and the driven rotary shaft 11 is connected to the driven component, so that each iron core module 2 can be wound.

[0022] The limiting plate 8 of the core connecting plate 3 and the front drive plate 1, near the core module 2 and the corresponding core module 2, has a shaped arc surface. This allows for a tight fit between the core and the tooling, improving winding accuracy and quality.

[0023] The setting of the set bolt through the set screw hole 14 makes the connection between the last iron core module 2 and the rear driven plate 4 more reliable.

[0024] All of the components described above are existing technologies, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0025] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present utility model, and these all fall within the protection scope of the present utility model.

Claims

1. A modular winding fixture for a motor stator, characterized in that, It includes a front drive plate (1), iron core modules (2), iron core connecting plate (3) and a rear driven plate (4), wherein several iron core modules (2) are arranged linearly and evenly, and adjacent iron core modules (2) are connected in series through iron core connecting plate (3). The two iron core modules (2) at both ends are connected to the front drive plate (1) and the rear driven plate (4) respectively.

2. The modular winding fixture for a motor stator as described in claim 1, characterized in that, It also includes a core pressure plate (5) and a locking nut (6). The core pressure plate (5) is fixed at the top of the connection between the core module (2) and the core connecting plate (3) by the locking nut (6).

3. The modular winding fixture for a motor stator as described in claim 1, characterized in that, The core connecting plate (3) includes a limiting plate (8), a dovetail boss (10), and a positioning rod (9). The limiting plate (8) is L-shaped. The middle of the outer side of the limiting plate (8) is provided with a dovetail boss (10) along the height direction. The inner side of the limiting plate (8) is provided with a positioning rod (9). The core module (2) is provided with a ventilation hole (12) that runs vertically through the top and bottom and matches the size of the positioning rod (9). The teeth of the core module (2) are provided with a toothed additional groove (13) that runs along the height direction and matches the shape of the dovetail boss (10). The ventilation hole (12) of the core module (2) is inserted into the positioning rod (9) of one side of the core connecting plate (3), and the toothed additional groove (13) is inserted into the dovetail boss (10) of the other side of the core connecting plate (3).

4. The modular winding fixture for a motor stator as described in claim 3, characterized in that, The front drive plate (1) includes a limiting plate (8), a positioning rod (9), and a drive handle (7). The limiting plate (8) is L-shaped, and the drive handle (7) is provided in the middle of the outer side of the limiting plate (8). The positioning rod (9) is vertically provided on the inner side of the limiting plate (8). The rear driven plate (4) includes a limiting plate (8). A dovetail boss (10) is provided in the middle of one side of the limiting plate (8) along the height direction. The dovetail boss (10) is provided with set screw holes (14) at the top and middle. The limiting plate (8) is provided with a set screw hole (14) in the middle of the other side. There is a driven rotary shaft (11); the ventilation hole (12) of the core module (2) adjacent to the front drive plate (1) is inserted into the positioning rod (9) of the front drive plate (1); the toothed additional groove (13) of the core module (2) adjacent to the rear driven plate (4) is inserted into the dovetail boss (10) of the rear driven plate (4); the rear driven plate (4) and the adjacent core module (2) are fixed by a set bolt passing through the set screw hole (14); the drive handle (7) and the driven rotary shaft (11) are located on the same rotary axis.

5. The modular winding fixture for a motor stator as described in claim 4, characterized in that, The limiting plate (8) of the iron core connecting plate (3) and the front drive plate (1) is provided with a circular arc surface that matches the shape of the iron core module (2) near the side of the iron core module (2) and the corresponding side of the iron core module (2).