A molded stator core

Abstract

The utility model relates to motor manufacturing technical field discloses a kind of plastic moulding stator core, including stator core, and the stator core inner wall is fixedly connected with plastic protective rubber board.The utility model is directly fixed by the plastic protective rubber board of stator core outer wall using injection molding process, and the close combination with stator core is realized by integrated injection molding, the connection mode of traditional module type dependence simple lamination or buckle is completely changed, this process makes plastic and core form stable overall structure, can effectively resist mechanical handling, positioning adjustment and clamping operation in winding process The external force impact and vibration produced, fundamentally avoid the problem of protective component loosening, displacement or even falling, ensure that the protection function continues effectively, simultaneously, the baffle of plastic protective rubber board top fixed can be accurate limiting effect to enameled wire in winding process, prevent enameled wire deviation or loose, guarantee the neatness and precision of winding arrangement.

Description

Technical Field

[0001] This utility model relates to the field of stator core technology, and in particular to a plastic-coated stator core. Background Technology

[0002] The stator core is a core component of electric motors and generators, a key part of the magnetic circuit system, and its main function is to form a magnetic conductive path and enhance electromagnetic induction efficiency. It is typically installed within the stator frame of the motor and serves as the basic carrier for winding. Stator cores are mostly made of laminated silicon steel sheets (electrical steel sheets) because silicon steel sheets have low hysteresis loss and high permeability, which reduces energy loss under alternating magnetic fields and lowers heat generation during motor operation. The surface of the silicon steel sheets usually has an insulating coating to prevent eddy currents generated by inter-sheet short circuits, further improving energy efficiency. It must possess sufficient mechanical strength to withstand electromagnetic forces and vibrations during operation, while also meeting heat dissipation requirements to ensure long-term stable operation of the motor. It is widely used in various electric motors, generators, and other electromagnetic equipment.

[0003] In existing technologies, stator cores are typically wrapped in modular plastic from both the top and bottom to prevent scratching of the enameled wire. However, the bonding strength between the plastic module and the core is potentially compromised. When the core is transferred through multiple processes, frequent mechanical handling, positioning adjustments, and equipment clamping operations can cause continuous external impact and vibration on the plastic module. Under these conditions, the plastic module with insufficient bonding strength is prone to loosening and displacement, and in severe cases, it may even partially or completely detach. After the module detaches, it not only loses its protective function for the enameled wire, but the detached plastic fragments may also be caught in the winding equipment, causing secondary problems such as reduced winding accuracy and equipment jamming, thus affecting production efficiency and product quality stability. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a stator core with plastic coating.

[0005] This utility model is achieved by the following technical solution: a plastic-coated stator core, comprising a stator core, wherein a plastic protective rubber plate is fixedly connected to the inner wall of the stator core, and a baffle is fixedly connected to the outer wall of the plastic protective rubber plate.

[0006] As a further improvement to the above solution, several baffles are provided, and the several baffles are evenly arranged with the stator core as the center.

[0007] Through the above technical solution, the plastic protective plate on the outer wall of the stator core is directly fixed by injection molding, and the tight combination with the stator core is achieved through integrated injection molding. This completely changes the traditional modular connection method that relies on simple bonding or snap-fit. This process makes the plastic and the core form a stable overall structure, which can effectively resist external impact and vibration, fundamentally avoiding the problem of protective components falling off, and ensuring that the protective function is continuously effective. The baffle fixed on the top of the plastic protective plate can play a precise limiting role for the enameled wire during the winding process, preventing the enameled wire from shifting or loosening.

[0008] As a further improvement to the above solution, the outer wall of the baffle is provided with arc-shaped corners, and several arc-shaped corners are provided, which are evenly arranged with the stator core as the center.

[0009] Through the above technical solution, the arc-shaped corner makes the edges of the baffle smoother, which can reduce the stress concentration points between the enameled wire and the baffle during winding and prevent the enameled wire from being damaged due to excessive local stress during bending.

[0010] As a further improvement to the above solution, the outer wall of the shaped protective rubber plate is provided with a first arc angle, and there are several first arc angles, which are evenly arranged with the stator core as the center.

[0011] Through the above technical solution, the first arc angle reduces the frictional resistance between the enameled wire and the plastic protective plate, making the winding process of the enameled wire smoother and improving the winding efficiency.

[0012] As a further improvement to the above solution, a plastic support plate is fixedly connected to the bottom of the plastic protective rubber plate, and several plastic support plates are provided, which are evenly arranged with the stator core as the center.

[0013] Through the above technical solution, the shaped support plate can support the whole structure, ensuring that the stator core can be easily fixed during other processes.

[0014] As a further improvement to the above solution, a positioning groove is provided on the outer wall of the stator core.

[0015] Through the above technical solution, the positioning groove can ensure that the material feeding direction is consistent when other processes are performed manually.

[0016] As a further improvement to the above solution, a slot is provided on the top of the stator core, and several slots are provided, which are evenly arranged with the stator core as the center.

[0017] As a further improvement to the above solution, a locking rod is fixedly connected to the outer wall of the slot, and the locking rod is fixedly connected to the inner wall of the plastic protective rubber plate. Several locking rods are provided, and the several locking rods are evenly arranged with the stator iron core as the center.

[0018] Through the above technical solution, the clamp is fixed to the inner wall of the plastic protective rubber plate, and the clamp and the groove form an anchor bolt structure, which greatly improves the connection strength between the plastic protective rubber plate and the stator core, and prevents the two from separating due to external forces such as vibration and impact during subsequent use, so that the stator and the injection-molded parts become a stable whole.

[0019] Compared with existing technologies, the advantages of this utility model are as follows: This utility model uses injection molding to directly fix the plastic protective plate on the outer wall of the stator core, and achieves a tight bond with the stator core through integrated injection molding. This completely changes the traditional modular connection method that relies on simple bonding or snap-fit. This process makes the plastic and the core form a stable overall structure, which can effectively resist the impact and vibration of external forces generated by mechanical handling, positioning adjustment and clamping operations during the winding process. It fundamentally avoids the problems of loosening, displacement or even falling off of protective components, ensuring the continuous effectiveness of the protective function. At the same time, the baffle fixed on the top of the plastic protective plate can play a precise limiting role for the enameled wire during the winding process, preventing the enameled wire from shifting or loosening, and ensuring the neatness and accuracy of the winding arrangement. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the shaped protective rubber sheet structure of this utility model; Figure 3 This is a schematic diagram of the positioning groove structure of this utility model; Figure 4 This is a schematic diagram of the card slot structure of this utility model; Figure 5 This is a schematic diagram of the clamping rod structure of this utility model.

[0021] Explanation of key symbols: 1. Stator core; 2. Molded protective rubber plate; 3. Baffle; 4. Arc-shaped angle; 5. First arc-shaped angle; 6. Molded support plate; 7. Positioning groove; 8. Slot; 9. Locking rod. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0023] Example:

[0024] Please combine Figures 1-5 This embodiment describes a plastic-coated stator core, including a stator core 1, with a plastic protective plate 2 fixedly connected to the inner wall of the stator core 1, and a baffle 3 fixedly connected to the outer wall of the plastic protective plate 2.

[0025] There are several baffles 3, and the baffles 3 are evenly arranged with the stator core 1 as the center.

[0026] The outer wall of the baffle 3 is provided with arc-shaped corners 4, and several arc-shaped corners 4 are provided, which are evenly arranged with the stator core 1 as the center.

[0027] The outer wall of the shaped protective rubber plate 2 is provided with a first arc angle 5, and there are several first arc angles 5, which are evenly arranged with the stator core 1 as the center.

[0028] The bottom of the shaped protective rubber plate 2 is fixedly connected to a shaped support plate 6. Several shaped support plates 6 are provided, and the several shaped support plates 6 are evenly arranged with the stator core 1 as the center.

[0029] The outer wall of the stator core 1 is provided with a positioning groove 7.

[0030] The top of the stator core 1 is provided with a slot 8, and there are several slots 8, which are evenly arranged with the stator core 1 as the center.

[0031] A locking rod 9 is fixedly connected to the outer wall of the slot 8. The locking rod 9 is fixedly connected to the inner wall of the plastic protective rubber plate 2. Several locking rods 9 are provided, and the several locking rods 9 are evenly arranged with the stator core 1 as the center.

[0032] The implementation principle of the plastic-coated stator core in this embodiment is as follows: the plastic protective plate 2 on the outer wall of the stator core 1 is directly fixed by injection molding, and the tight combination with the stator core 1 is achieved through integrated injection molding. This completely changes the traditional modular connection method that relies on simple bonding or snap-fit. This process makes the plastic and the core form a stable overall structure, which can effectively resist the external force impact and vibration generated by mechanical handling, positioning adjustment and clamping operations during the winding process. It fundamentally avoids the problem of loosening, displacement or even falling off of the protective components, ensuring the continuous effectiveness of the protective function. At the same time, the baffle 3 fixed on the top of the plastic protective plate 2 can play a precise limiting role for the enameled wire during the winding process, preventing the enameled wire from shifting or loosening, and ensuring the neatness and accuracy of the winding arrangement. An arc-shaped corner 4 is opened on the outer wall of the baffle 3. The arc-shaped corner 4 makes the edges and corners of the baffle 3 smoother, which can reduce the stress concentration points between the enameled wire and the baffle 3 during winding, and prevent the enameled wire from being bent during the bending process. Damage caused by excessive local stress is addressed by several first arc-shaped angles 5 on the outer wall of the molded protective rubber plate 2. These first arc-shaped angles 5 reduce the frictional resistance between the enameled wire and the molded protective rubber plate 2, making the winding process of the enameled wire smoother and improving winding efficiency. A molded support plate 6 is fixedly connected to the bottom of the molded protective rubber plate 2, which can support the whole structure and ensure that the stator core 1 is easily fixed during other processes. A positioning groove 7 is opened on the outer wall of the stator core 1, which can ensure that the feeding direction is consistent when other processes are performed manually. Several locking rods 9 are fixedly connected to the outer wall of the slot 8, and several slots 8 are opened on the top of the stator core 1. The locking rods 9 are fixed to the inner wall of the molded protective rubber plate 2, and the locking rods 9 and the slots 8 form an anchor bolt structure, which greatly improves the connection strength between the molded protective rubber plate 2 and the stator core 1, preventing them from separating due to external forces such as vibration and impact during subsequent use, and making the stator and the injection-molded parts a stable whole. The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A plastic-coated stator core, characterized in that, It includes a stator core (1), the inner wall of which is fixedly connected to a plastic protective rubber plate (2), and the outer wall of which is fixedly connected to a baffle (3); The baffle (3) is provided in a plurality of such baffles (3) and the plurality of baffles (3) are evenly arranged with the stator core (1) as the center; The outer wall of the plastic protective rubber plate (2) is provided with a first arc angle (5), and there are several first arc angles (5), which are evenly arranged with the stator core (1) as the center. The stator core (1) has a slot (8) on its top. There are several slots (8), and the slots (8) are evenly arranged with the stator core (1) as the center. The outer wall of the slot (8) is fixedly connected to a clamping rod (9), which is fixedly connected to the inner wall of the plastic protective rubber plate (2). There are several clamping rods (9), which are evenly arranged with the stator core (1) as the center.

2. The stator core with plastic coating as described in claim 1, characterized in that: The outer wall of the baffle (3) is provided with arc-shaped corners (4), and several arc-shaped corners (4) are provided, and the several arc-shaped corners (4) are evenly arranged with the stator core (1) as the center.

3. The stator core with plastic coating as described in claim 2, characterized in that: The bottom of the plastic protective rubber plate (2) is fixedly connected to a plastic support plate (6). There are several plastic support plates (6), and the several plastic support plates (6) are evenly arranged with the stator core (1) as the center.

4. The stator core with plastic coating as described in claim 3, characterized in that: The stator core (1) has a positioning groove (7) on its outer wall.

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