Stator coil take-out jig
By designing a stator coil removal fixture including casing, stator, coil, rotor, base, filler column, rolling bearing, positioning plate and iron core groove positioning, the problem of copper wire running and misalignment during the stator coiling process is solved, and stable coiling and efficient production of copper wire are achieved.
Patent Information
- Application Number
- CN202421798202.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-29
AI Technical Summary
During the stator wire winding process, since the inside of the stator is hollow, the copper wire is prone to run out after the wire is winded, friction with external objects leads to wire injury, and may be misaligned, which requires manual adjustment, affecting product quality and production efficiency.
A stator coil removal fixture is designed, including a casing, stator, coil, rotor, base, filler column, rolling bearing, positioning plate and iron core groove positioning. Through the precise positioning and fixed connection of these components, it ensures that the copper wire is not easy to run out during the coiling process and avoids friction losses.
Through the design of this fixture, the stability and precise positioning of the copper wire during the winding process is ensured, line injuries and misalignment are avoided, product quality and production efficiency are improved, and the service life of the equipment is extended.
Smart Images

Figure CN223007446U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field related to stator winding extraction fixtures, and particularly relates to a stator winding extraction fixture. Background Art
[0002] As times progress, the new energy vehicle industry is no exception. People's understanding and recognition of new energy vehicles are gradually increasing. Therefore, more and more people are starting to buy new energy vehicles, and the demand for stators, as one of the important components of new energy vehicles, has also increased accordingly.
[0003] However, during the stator winding process, since the inside of the stator is hollow, when directly taking the product after winding, the copper wire will run out of the iron core slot and rub against foreign objects, resulting in wire damage. In addition, misalignment will also occur. After misalignment, manual adjustment is required, which not only affects the quality of the product but also the production efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a stator winding extraction fixture to solve the problems mentioned in the above background art. During the stator winding process, since the inside of the stator is hollow, when directly taking the product after winding, the copper wire will run out of the iron core slot and rub against foreign objects, resulting in wire damage. In addition, misalignment will also occur. After misalignment, manual adjustment is required, which not only affects the quality of the product but also the production efficiency.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A stator winding extraction fixture, including a machine shell;
[0006] A stator is arranged at the inner position of the machine shell, a coil is wound around the outer position of the stator, a rotor is installed and fixed on the machine shell through a bearing or a bushing, and a connecting wire is arranged at the right position of the machine shell;
[0007] A fixture main body is arranged at the inner position of the stator, a base is arranged at the bottom position of the fixture main body, and a filling column is arranged at the upper position of the fixture main body.
[0008] Preferably, a rolling bearing built-in support hole is arranged at the middle position inside the base, a base thread groove is arranged at the upper position of the rolling bearing built-in support hole, and a positioning hole is arranged at the middle position of the bottom of the base.
[0009] Preferably, a connecting piece is arranged at the top position of the filling column, filling column thread holes are arranged in an array at the inner position of the connecting piece, filling column thread grooves are arranged in an array at the inner position of the connecting piece, threaded rods are arranged at the inner position of the filling column thread grooves, and a weight reduction hole is arranged at the middle position inside the filling column.
[0010] Preferably, a rolling bearing is provided at the top position of the filling column, a base threaded hole is provided at the middle position inside the rolling bearing, and the rolling bearing is fixedly connected to the rolling bearing built-in support hole inside the base.
[0011] Preferably, a positioning plate is provided at the inner side position of the stator, and iron core slot positioning pins are arranged in an array at the outer side position of the connecting piece, and the iron core slot positioning pins are snap-connected to the positioning plate.
[0012] Preferably, nine positioning plates are arranged in an array, and the positioning plates are fixedly connected to the machine shell.
[0013] Preferably, insulating plates are respectively provided at the left and right sides of the stator, and the fixture main body is made of silicon steel material.
[0014] Compared with the prior art, the utility model provides a stator winding extraction fixture, which has the following beneficial effects:
[0015] Through the settings of the base, filling column, rolling bearing built-in support hole, rolling bearing, base threaded groove, positioning hole, connecting piece, filling column threaded hole, filling column threaded groove, threaded rod and weight reduction hole, the fixed connection of the fixture main body, base and rolling bearing ensures the overall structure is stable and reliable. The design of the rolling bearing enables the operation direction to be adjusted, enhancing the flexibility of operation. The filling column threaded groove and iron core slot positioning pins inside the connecting piece ensure the precise positioning of the filling column, avoiding frictional loss and extending the service life of the equipment. The weight reduction holes in the filling column help to reduce the overall weight, improving the operation efficiency and safety of the equipment. The fixture is designed as a split structure, and different parts can be replaced according to different sizes, reducing the cost.
[0016] Through the settings of the positioning plate and iron core slot positioning pins, the snap connection of the positioning plate and iron core slot positioning pins ensures the precise positioning of the iron core inside the stator, which is beneficial to the accuracy and stability in the production process. The fixed connection of the positioning plate to the machine shell enhances the stability of the overall structure, ensuring that the equipment is not prone to loosening or deformation during long-term operation. The nine-layout arrangement of the positioning plates in an array helps to better support and fix the iron core slot positioning pins, making the equipment operation more convenient and efficient. The iron core slot positioning pins just fit into the iron core slots, preventing the filling column from wearing out the surface of the iron core. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a structural schematic diagram of the utility model.
[0018] Figure 2 is a structural schematic diagram of the connecting piece in the utility model.
[0019] Figure 3This is a schematic structural diagram of the threaded rod in the present utility model.
[0020] Figure 4 This is a schematic structural diagram of the filling column in the present utility model.
[0021] Figure 5 This is a schematic structural diagram of the base in the present utility model.
[0022] Figure 6 This is a schematic structural diagram of the fixture installation in the present utility model.
[0023] In the figure: 1, casing; 2, stator; 3, fixture body; 4, coil; 5, connecting wire; 6, positioning plate; 7, insulating plate; 8, base; 9, positioning hole; 10, filling column; 11, connecting piece; 12, weight reduction hole; 13, filling column threaded hole; 14, iron core slot positioning pin; 15, filling column threaded groove; 16, threaded rod; 17, rolling bearing; 18, base threaded hole; 19, rolling bearing built-in support hole; 20, base threaded groove. Detailed implementation manners
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0025] The present utility model provides a stator winding extraction fixture as Figures 1-6 shown, which includes a casing 1;
[0026] A stator 2 is arranged at the inner position of the casing 1, a coil 4 is wound and arranged at the outer position of the stator 2, the rotor is installed and fixed on the casing 1 through a bearing or a bushing, and a connecting wire 5 is arranged at the right side position of the casing 1;
[0027] A fixture body 3 is arranged at the inner position of the stator 2, a base 8 is arranged at the bottom position of the fixture body 3, and a filling column 10 is arranged at the upper position of the fixture body 3.
[0028] A rolling bearing built-in support hole 19 is arranged at the middle position inside the base 8, a base threaded groove 20 is arranged at the upper position of the rolling bearing built-in support hole 19, and a positioning hole 9 is arranged at the middle position of the bottom of the base 8.
[0029] At the top position of the filling column 10, a connecting piece 11 is provided. Inside the connecting piece 11, filling column threaded holes 13 are arranged in an array. Inside the connecting piece 11, filling column threaded grooves 15 are arranged in an array. Inside the filling column threaded groove 15, a threaded rod 16 is provided. In the middle position inside the filling column 10, a weight reduction hole 12 is provided.
[0030] At the top position of the filling column 10, a rolling bearing 17 is provided. In the middle position inside the rolling bearing 17, a base threaded hole 18 is provided. The rolling bearing 17 is fixedly connected to the rolling bearing built-in support hole 19 inside the base 8.
[0031] At the inner side position of the stator 2, a positioning plate 6 is provided. At the outer side position of the connecting piece 11, core slot positioning pins 14 are arranged in an array. The core slot positioning pins 14 are snap-connected to the positioning plate 6.
[0032] There are nine positioning plates 6 arranged in an array, and the positioning plates 6 are fixedly connected to the machine housing 1.
[0033] Insulating plates 7 are respectively provided at the left and right sides of the stator 2, and the fixture main body 3 is made of silicon steel material.
[0034] In this embodiment, for the specific implementation steps of a stator winding extraction fixture, after the product is taken out, the product can be placed on the base 8. Then, the operation direction can be adjusted by using the rolling bearing 17. The filling column 10 is designed according to the height of the product to fill the core, and is used to fix the copper wire in the core slot by filling the hollow part inside the stator 2. The connecting piece 11 is provided with core slot positioning pins 14, and the core slot positioning pins 14 just fit into the core slot, so that the filling column 10 will not cause frictional wear and tear on the surface of the core and reduce its service life.
[0035] As Figures 1-6 As shown, inside the stator 2, a fixture main body 3 is provided. At the bottom position of the fixture main body 3, a base 8 is provided. Above the fixture main body 3, a filling column 10 is provided. In the middle position inside the base 8, a rolling bearing built-in support hole 19 is provided. Above the rolling bearing built-in support hole 19, a base threaded groove 20 is provided. At the middle position at the bottom of the base 8, a positioning hole 9 is provided. At the top position of the filling column 10, a connecting piece 11 is provided. Inside the connecting piece 11, filling column threaded holes 13 are arranged in an array. Inside the connecting piece 11, filling column threaded grooves 15 are arranged in an array. Inside the filling column threaded groove 15, a threaded rod 16 is provided. In the middle position inside the filling column 10, a weight reduction hole 12 is provided. At the top position of the filling column 10, a rolling bearing 17 is provided. In the middle position inside the rolling bearing 17, a base threaded hole 18 is provided. The rolling bearing 17 is fixedly connected to the rolling bearing built-in support hole 19 inside the base 8.
[0036] Preferably, the fixed connection of the fixture body 3, the base 8 and the rolling bearing 17 ensures the overall structure is stable and reliable. The design of the rolling bearing 17 enables the adjustment of the operation direction, enhancing the flexibility of operation. The filling column thread groove 15 and the iron core groove positioning pin 14 inside the connecting piece 11 ensure the precise positioning of the filling column 10, avoiding frictional losses and extending the service life of the equipment. The weight reduction holes 12 in the filling column 10 help reduce the overall weight, improving the operation efficiency and safety of the equipment. The fixture is designed as a split structure, and different parts can be replaced according to different sizes, reducing costs.
[0037] As Figures 1-2 and Figure 6 shown, a positioning plate 6 is arranged at the inner side position of the stator 2, and iron core groove positioning pins 14 are arranged in an array at the outer side position of the connecting piece 11. The iron core groove positioning pins 14 are snap-connected to the positioning plate 6. There are nine positioning plates 6 arranged in an array, and the positioning plates 6 are fixedly connected to the machine shell 1.
[0038] Preferably, the snap connection between the positioning plate 6 and the iron core groove positioning pins 14 ensures the precise positioning of the iron core inside the stator, which is beneficial to the accuracy and stability during the production process. The fixed connection between the positioning plate 6 and the machine shell 1 enhances the stability of the overall structure, ensuring that the equipment is not prone to problems such as loosening or deformation during long-term operation. The nine layouts of the positioning plates 6 arranged in an array help better support and fix the iron core groove positioning pins 14, making the equipment operation more convenient and efficient. The iron core groove positioning pins 14 just fit into the iron core grooves, preventing the filling column 10 from having frictional losses on the iron core surface and extending its service life.
[0039] As Figures 1-6 shown, insulating plates 7 are respectively arranged at the left and right sides of the stator 2, and the fixture body 3 is made of silicon steel material.
[0040] Optionally, the setting of the insulating plates 7 can effectively isolate the electrical components inside the stator, preventing electrical short circuits and other safety problems. The fixture body 3 is made of silicon steel material, which has excellent magnetic permeability and low hysteresis loss, helping to reduce energy loss and improve the equipment efficiency. The fixture body 3 made of silicon steel material has good wear resistance and stability, suitable for long-term stable operation, reducing the equipment maintenance frequency and cost.
[0041] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A stator winding removal jig, comprising a housing (1); A stator (2) is arranged at an inner position of the casing (1), a coil (4) is wound and arranged at an outer position of the stator (2), a rotor is mounted and fixed on the casing (1) via a bearing or a sleeve, and a connecting wire (5) is arranged at a right position of the casing (1); Features: A jig body (3) is arranged at an internal position of the stator (2), a base (8) is arranged at a bottom position of the jig body (3), and a filling column (10) is arranged at an upper position of the jig body (3).
2. A stator winding removal jig according to claim 1, characterized in that: A rolling bearing built-in support hole (19) is provided at a middle position inside the base (8), a base thread groove (20) is provided above the rolling bearing built-in support hole (19), and a positioning hole (9) is provided at a middle position at the bottom of the base (8).
3. A stator winding removal jig according to claim 2, characterized in that: A connecting piece (11) is provided at the top of the filling column (10), filling column threaded holes (13) are arranged in an array at an inner position of the connecting piece (11), filling column threaded grooves (15) are arranged in an array at an inner position of the connecting piece (11), a threaded rod (16) is arranged at an inner position of the filling column threaded groove (15), and a weight reduction hole (12) is arranged at a middle position inside the filling column (10).
4. A stator winding removal jig according to claim 3, characterized in that: A rolling bearing (17) is provided at the top of the filling column (10), a base threaded hole (18) is provided at the middle position inside the rolling bearing (17), and the rolling bearing (17) is fixedly connected to a rolling bearing built-in support hole (19) inside the base (8).
5. A stator winding removal jig according to claim 4, characterized in that: A positioning plate (6) is provided at an inner position of the stator (2), and core slot positioning tabs (14) are arranged in an array at an outer position of the connecting member (11), wherein the core slot positioning tabs (14) are snap-connected to the positioning plate (6).
6. A stator winding removal jig according to claim 5, characterized in that: Nine positioning plates (6) are arranged in an array, and the positioning plates (6) are fixedly connected to the housing (1).
7. The stator winding removal jig according to claim 1, characterized in that: Insulating plates (7) are respectively arranged at the left and right sides of the stator (2), and the jig body (3) is made of silicon steel material.