High-performance split assembled servo motor iron core
By designing a modular, assemblable servo motor core, and utilizing dovetail-shaped connecting slots and a bending base, the problems of high mold costs and copper wire damage are solved, achieving high stability and high efficiency in motor operation.
Patent Information
- Application Number
- CN202520404182.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-10
AI Technical Summary
The existing servo motor core uses a one-piece stamping process, which results in high mold development costs, easy damage to copper wires during winding, affecting motor performance, and making it difficult to meet the requirements of high precision and high efficiency.
It adopts a split and assemblable design, and the iron core block and the motor iron core body are detachably connected through the dovetail groove structure of the connecting groove and the connector. A curved base is set at the other end of the iron core block to optimize the magnetic field distribution.
It improves the stability and reliability of the motor, reduces production and maintenance costs, enhances the magnetic field focusing effect, and improves electromagnetic conversion efficiency and overall performance.
Smart Images

Figure CN223885014U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor manufacturing technical field more specifically, relate to a high performance split can be assembled type servo motor core. BACKGROUND
[0002] Under the background of the continuous and rapid advancement of today's industrial automation process, the requirements for motor performance of industrial production are increasingly stringent. Compared with traditional induction motors, servo motors have the advantages of fast speed, quick response, can realize the substantial increase of speed in a short time, small size, can effectively save equipment space, facilitate compact design, large power, can provide strong power for various complex working conditions, high precision, small positioning error, can meet the demand of high-precision operation, etc. Widely and deeply applied in 3C manufacturing, numerical control machine tool, industrial robot and many other fields.
[0003] However, the existing servo motor core has the following problems when in use:
[0004] At present, most servo motor cores adopt an integrated stamping forming process. This process ensures the integrity of the core to a certain extent, but has many drawbacks. On the one hand, it requires a large number of special molds for different specifications and models of cores, which not only leads to high initial mold development costs, but also requires considerable maintenance and replacement costs, greatly increasing the production costs of enterprises. On the other hand, due to the internal structure and surface characteristics of the integrated stamping forming core, the copper wire is easily scratched during the copper wire winding process. Once the copper wire is damaged, not only will the slot fill rate of the servo motor be difficult to reach the ideal standard, causing the space utilization rate of the winding to decrease, but also will cause internal short circuit, open circuit and other faults of the motor, seriously affecting the performance of the motor, so that the excellent characteristics of the servo motor cannot be fully utilized.
[0005] The utility model can improve the manufacturing convenience, motor performance, optimize the magnetic field distribution and component cooperation through split assembly design, special connection structure and base setting. UTILITY MODEL CONTENTS
[0006] The utility model aims at solving the technical problems in the above background technology, and provides a high-performance split-assembled servo motor core.
[0007] In order to achieve the above object, the utility model provides the following technical scheme: A high -performance split can be assembled formula servo motor core, include: motor core body, 18 core blocks are embedded and installed in the motor core body, 18 connecting grooves are provided in the motor core body, the core block is connected in the connecting groove, the connecting head is fixedly installed to the outer end of the core block, and the connecting head is matched with the connecting groove.
[0008] Further preferred scheme: The motor core body is circularly arranged, and the connecting groove is arranged in the shape of a dovetail groove.
[0009] Further preferred scheme: The 18 core blocks are evenly distributed in the motor core body.
[0010] Further preferred scheme: The core block and the motor core body are detachably connected through the connecting head and the connecting groove.
[0011] Further preferred scheme: The base is fixedly installed at the other end of the core block, and the bottom end of the base is arranged in the shape of a curve with an angle of 20 degrees.
[0012] Further preferred scheme: The base at the bottom of the 18 core blocks is circular, and the size is reduced in proportion to the motor core body.
[0013] Further preferred scheme: The connecting head, the base and the core block are integrally formed. Beneficial effects
[0014] 1. By being provided with the connecting groove and the connecting head, the connecting groove is in the shape of a dovetail groove and is tightly matched with the connecting head, the unique design greatly improves the stability and reliability of the connection, when the motor is running, the displacement of the core block caused by electromagnetic force and mechanical vibration can be effectively resisted, the core block is prevented from loosening, and stable operation of the motor is ensured, from the installation point of view, the matching of the connecting groove and the connecting head makes the installation process more accurate, the connecting head of the core block can be easily aligned with the connecting groove by the installation personnel, and the dovetail groove shape can guide the core block to be accurately embedded, so that the installation difficulty is reduced, the assembly efficiency is improved, and when the motor needs to be repaired or upgraded, the detachable connection of the connecting groove and the connecting head has the following advantages: damaged core blocks can be conveniently disassembled and replaced, or core blocks with different characteristics can be replaced according to different requirements, which greatly facilitates the maintenance and performance optimization of the motor, reduces the maintenance cost, and prolongs the service life of the motor.
[0015] 2. By setting the base, the base is fixed to the other end of the iron core block, and the bottom end is designed to be bent at 20 degrees. When 18 iron core blocks are assembled, 18 bases are surrounded into a circle and are reduced in size by the same ratio as the motor iron core body. This structure can effectively optimize the magnetic field distribution inside the motor. The bent base can change the direction of the magnetic force line and enhance the magnetic field focusing effect, thereby improving the electromagnetic conversion efficiency and the power output and energy efficiency performance of the motor. At the same time, the base surrounded into a circle provides a regular and stable support environment for other components inside the motor, such as the winding, ensuring the relative position stability of each component during motor operation and reducing the risk of failure caused by component shaking;
[0016] 3. As described above, the high-performance split-assembled servo motor iron core is provided with a motor iron core body and an iron core block. The motor iron core body is circular and uniformly provided with 18 connecting grooves which are accurately matched with the connecting heads of the outer ends of the iron core blocks. The split design reduces the processing difficulty and improves the production efficiency. The iron core blocks can be replaced flexibly according to different specifications, greatly enhancing the product versatility. The bases of the 18 iron core blocks are surrounded into a circle which is reduced in size by the same ratio as the motor iron core body. The 20-degree bending effectively optimizes the magnetic field distribution and enhances the magnetic field focusing, thereby improving the electromagnetic conversion efficiency. During motor operation, this structure not only provides stable support for other components and ensures the operation stability, but also reasonably utilizes the space, making the cooperation of each component more coordinated. Overall, these structures cooperate with each other, comprehensively improving the performance of the servo motor iron core from production and manufacturing to actual operation, and laying a solid foundation for efficient and reliable operation of the motor. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a schematic diagram of the overall structure of the utility model.
[0018] Fig. 2 It is a schematic diagram of the motor iron core structure of the utility model.
[0019] Fig. 3 It is a schematic diagram of the iron core block structure of the utility model.
[0020] Figs. 1-3 Center: 1, motor iron core body; 101, connecting groove; 2, iron core block; 201, connecting head; 202, base. DETAILED DESCRIPTION
[0021] The accompanying drawings, which are incorporated into the detailed description of the utility model embodiments. Figs. 1-3 The technical solutions in the utility model embodiments are clearly and completely described.
[0022] Please refer to Figs. 1-3The utility model discloses an embodiment of a kind of high-performance split type assemblable servo motor core, comprising: motor core body 1, 18 core blocks 2 are embedded and installed in motor core body 1, 18 connecting grooves 101 are provided in motor core body 1, core block 2 is embedded and connected in connecting groove 101, connecting head 201 is fixedly installed at the outer end of core block 2, connecting head 201 is matched with connecting groove 101, 18 core blocks 2 are evenly distributed in motor core body 1, connecting head 201, base 202 and core block 2 are integrally formed structure, the first core block 2 is lifted, make connecting head 201 align with one connecting groove 101 in motor core body 1, ensure that connecting head 201 is completely aligned with connecting groove 101, along the direction of connecting groove 101, core block 2 is slowly pushed into connecting groove 101 inside until core block 2 is completely embedded in connecting groove 101, at this time, core block 2 is initially connected with motor core body 1, according to the same method, sequentially install remaining 17 core blocks 2 in the connecting groove 101 of motor core body 1, after installation is completed, check whether all core blocks 2 are firmly embedded in connecting groove 101, whether there is loose or gap too big condition, if problem is found, need to adjust or reinstall in time, split type assemblable design makes motor core manufacturing and maintenance more flexible, during manufacturing process, motor core body 1 and core block 2 can be manufactured respectively, manufacturing difficulty and cost are reduced, for different specifications servo motor, different core blocks 2 can be replaced to meet demand, improve the versatility of product, when maintaining, if certain core block 2 is damaged, only need to replace the core block 2, and do not need to replace entire motor core, greatly reduce maintenance cost and time, connecting head 201 is matched with connecting groove 101, can ensure that the connection between core block 2 and motor core body 1 is tight and stable, this tight connection can reduce the vibration and displacement of core during working process, improve the operation stability and reliability of motor, 18 core blocks 2 are evenly distributed in motor core body 1, make the magnetic field distribution of motor core more uniform, uniform magnetic field distribution can improve the electromagnetic performance of motor, reduce the energy loss of motor, improve the efficiency and power density of motor, integrally formed structure enhances the overall strength and stability of core block 2, during motor operation, core block 2 needs to bear electromagnetic force and mechanical force, integrally formed structure can better resist the action of these forces, reduce the deformation and damage of core block 2, simultaneously, integrally formed structure reduces the connecting interface between connecting head 201, base 202 and core block 2, reduce contact resistance and energy loss, further improve the performance of motor.
[0023] In the utility model embodiment, motor iron core body 1 is circularly arranged, connecting groove 101 is arranged as a dovetail groove, iron core block 2 is detachably connected with motor iron core body 1 through connecting head 201 and connecting groove 101, the unique trapezoidal structure of the dovetail groove is closely matched with connecting head 201, forming reliable mechanical connection, when the motor is running, iron core block 2 will be subjected to complex electromagnetic force and mechanical vibration, the design of the dovetail groove can effectively resist these external forces, preventing iron core block 2 from displacement, compared with common straight grooves, the dovetail groove has stronger restraining capacity for iron core block 2 in horizontal and vertical directions, ensuring that iron core block 2 always remains stable in connecting groove 101, maintaining stable operation of the motor, due to the particularity of the shape of the dovetail groove and connecting head 201, during installation, iron core block 2 can be accurately embedded into connecting groove 101, which has high guarantee for installation precision, such accurate assembly helps uniform distribution of the magnetic field in the motor, reducing magnetic field distortion caused by iron core assembly deviation, thereby improving electromagnetic conversion efficiency of the motor, making the motor run more smoothly, reducing energy consumption, and improving overall performance of the motor, when iron core block 2 needs to be disassembled for maintenance, the design of the dovetail groove also provides convenience for disassembly, and the structural features make it easier to pry out iron core block 2 from connecting groove 101 when disassembling with a tool (such as a small crowbar), without damaging the connecting part, creating favorable conditions for subsequent maintenance and replacement work.
[0024] In the utility model embodiment, the other end of iron core block 2 is fixedly provided with a base 202, the bottom end of the base 202 is arranged as a 20-degree curve, the 18 bases 202 at the bottom of the iron core block 2 are arranged in a circle, and the size is reduced in proportion to the motor iron core body 1, the 18 bases 202 at the bottom of the iron core block 2 are arranged in a circle and reduced in proportion to the size of the motor iron core body 1, which can further optimize the distribution of the magnetic field in the motor, echo the circular structure of the motor iron core body 1, and improve the overall performance of the motor, the bottom end of the base 202 is arranged as a 20-degree curve and arranged in a circle, which helps to change the direction of the magnetic force line in the motor, enhance the focusing effect of the magnetic field, and further improve the electromagnetic conversion efficiency of the motor, the structure of the 18 bases 202 arranged in a circle can provide a more regular and stable support environment for other components (such as windings) in the motor, ensuring the stability of the motor during operation, and at the same time, the design of the proportional reduction makes the entire iron core structure more reasonable in space utilization and more coordinated with other components of the motor.
[0025] Working principle: take the first iron core block 2, slowly close the connecting head 201 to the corresponding connecting slot 101 in the motor iron core body 1, align the connecting head 201 with the connecting slot 101 at a horizontal and accurate angle, push the iron core block 2 into the slot along the direction of the connecting slot 101 slowly and smoothly, you can use a small crowbar to gently pry the iron core block 2, fine-tune the position, until the iron core block 2 is completely embedded in the connecting slot 101, at this time the iron core block 2 is preliminarily connected with the motor iron core body 1, after preliminary connection, use the measuring tool to measure the distance between the exposed part of the iron core block 2 and the edge of the motor iron core body 1, and compare it with the design standard to ensure the accuracy of the installation position, at the same time, gently shake the iron core block 2 to check whether it has loose signs, according to the installation method of the first iron core block, install the remaining 17 iron core blocks 2 in turn, since the base 202 at the bottom of the 18 iron core blocks 2 needs to be around a circle and the size is equal to the motor iron core body 1 in proportion to the reduction, so during the installation process, the connection between the base 202 of the installed iron core block 2 and the base 202 of the to-be-installed iron core block 2 needs to be observed from multiple angles to ensure that the base 202 around the circle is regular and smooth, after all the iron core blocks 2 are installed, use the measuring tool to measure the parameters of the circular structure composed of all the iron core blocks 2 in the motor iron core body 1, such as the inner diameter, roundness, etc., and compare them with the design standard to ensure that the overall installation accuracy meets the requirements.
Claims
1. A high performance split-assemblable servo motor core, comprising: The utility model provides an electric machine iron core body (1), 18 iron core blocks (2) are embeddedly installed in the electric machine iron core body (1), characterized by: 18 connecting grooves (101) are set up in the periphery of electric machine iron core body (1), the iron core block (2) is connected in the connecting groove (101) inside embedding, the connecting head (201) is fixedly installed outside the iron core block (2), the connecting head (201) is set up with connecting groove (101) matchedly.
2. The high performance split-assemblable servo motor core according to claim 1, characterized in that: The electric machine iron core body (1) is circular, and the connecting groove (101) is dovetail groove.
3. The high performance split-assemblable servo motor core according to claim 1, characterized in that: The 18 iron core blocks (2) are evenly distributed in the electric machine iron core body (1).
4. The high performance split-assemblable servo motor core according to claim 1, characterized in that: The iron core block (2) and the electric machine iron core body (1) are detachably connected through the connecting head (201) and the connecting groove (101).
5. The high performance split-assemblable servo motor core according to claim 3, characterized in that: The other end of the iron core block (2) is fixedly installed with a base (202), and the bottom end of the base (202) is bent by 20 degrees.
6. The high performance split-assemblable servo motor core according to claim 5, characterized in that: The 18 iron core blocks (2) are surrounded by the bases (202) at the bottom, and the size is proportionally reduced compared with the electric machine iron core body (1).
7. The high performance split-assemblable servo motor core according to claim 5, characterized in that: The connecting head (201), the base (202) and the iron core block (2) are integrally formed.