Chain type iron core structure

The chain-type iron core structure addresses assembly challenges with semi-circular connections, enhancing production efficiency and enabling automated assembly, thus improving the manufacturing process of chain-type iron cores.

CN223109740UActive Publication Date: 2025-07-15HUAIAN SHIKONG ZHIDU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421904463.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-07-15
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

The existing iron core structure is a split-flap type, which makes it difficult to splice the stator petals and affects the efficiency of use.

Method used

A chain iron core structure with semicircular connection is adopted, including iron core body, iron core groove, iron core seat, engaging groove and engaging parts. Through casting and welding, straight strip winding and round welding of the stator iron core are realized.

Benefits of technology

It improves production efficiency by 100%, realizes the automation of stator circle assembly, avoids the hidden dangers of roundness quality, and is suitable for automatic stator circle assembly by frameless torque motors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chain type iron core structure which comprises an iron core body, an iron core groove is formed in the top of the iron core body, an iron core seat is integrally formed at the bottom of the iron core body, a clamping groove is formed in one side of the iron core body, a clamping piece is integrally formed on the other side of the iron core body, and three sets of iron core holes are formed in the upper surface of the iron core body. The iron core bodies are connected to form an iron core whole, a connecting frame is fixed to the left side of the iron core body on the leftmost side, a limiting frame is positioned at the end of the connecting frame, a first sealing ring is positioned on the outer side of the limiting frame, and a limiting groove is formed in the right side of the iron core body on the rightmost side; and a second sealing ring is positioned on the inner side of the limiting groove. According to the chained iron core structure, a semicircular connection structure is adopted, the straight-strip-shaped winding and circle-splicing welding of the stator iron core are facilitated, the chained stator iron core can be directly bent into a circle by equipment after being wound, and the production efficiency is improved by 100%.
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Description

Technical Field

[0001] The utility model relates to the field of chain cores, and particularly relates to a chain core structure. Background Art

[0002] The chain core structure is a support device for motor drive. Commonly used cores are generally made of silicon steel sheets. In an energized coil, it can generate a large magnetic induction intensity, so that the volume of the transformer can be reduced. With the continuous development of technology, people's requirements for the manufacturing process of the chain core structure are also getting higher and higher.

[0003] There are certain drawbacks in the existing core structure during use. The existing core structure is generally a split stator core structure. When manually assembling the circle, it is difficult to splice the stator segments, which brings certain adverse effects to the actual use process. Therefore, we propose a chain core structure. Summary of the Utility Model

[0004] Technical problems to be solved: Aiming at the deficiencies of the prior art, the utility model provides a chain core structure, which adopts a semi-circular connection structure, is beneficial to the straight-strip winding and circular welding of the stator core. After the chain stator core is wound, it can be directly bent by the equipment, and the production efficiency is increased by 100%, which can effectively solve the problems in the background art.

[0005] Technical solution: To achieve the above purpose, the technical solution adopted by the utility model is: A chain core structure, including a core body, a core groove is opened at the top of the core body, a core seat is integrally formed at the bottom of the core body, a clamping groove is opened on one side of the core body, a clamping part is integrally formed on the other side of the core body, three core holes are opened on the upper surface of the core body, and multiple core bodies are connected to form a whole core.

[0006] Preferably, a connecting frame is fixed at the left position of the leftmost core body, a limiting frame is positioned at the end of the connecting frame, a first sealing ring is positioned outside the limiting frame, a limiting groove is opened at the right position of the rightmost core body, and a second sealing ring is positioned inside the limiting groove.

[0007] Preferably, the core body, the core groove, the core seat and the core holes are integrally formed by casting.

[0008] Preferably, each group of core bodies are spliced through the clamping groove and the clamping part.

[0009] Preferably, the core body and the connecting frame are welded and positioned, the connecting frame and the limiting frame are welded and positioned, and the core body and the limiting groove are integrally formed by casting.

[0010] Preferably, the overall iron core composed of the iron core bodies is engaged through a limiting frame and a limiting groove.

[0011] Beneficial effects: Compared with the prior art, the present utility model provides a chain-type iron core structure, having the following beneficial effects: This chain-type iron core structure adopts a semi-circular connection structure, which is beneficial for the straight-strip winding and circular welding of the stator iron core. After the chain-type stator iron core is wound, it can be directly bent into a circle by the equipment, and the production efficiency is increased by 100%. It not only realizes the automation of the stator circular splicing, but also avoids the roundness quality hidden danger of the ordinary stator iron core. At the same time, it can be matched with an automatic circle bending machine to realize automatic operation. Among them, the design of the stator iron core has undergone multiple rounds of research and die repair and development, and the manufacturing problems that may be caused during the assembly process are avoided in the design. It forms a technical barrier for the automatic circular splicing solution of the frameless torque motor stator. The entire chain-type iron core structure is simple in structure, convenient to operate, and has a better use effect than the traditional method. Description of the Drawings

[0012] Figure 1 It is a schematic diagram of the overall structure of a chain-type iron core structure of the present utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the iron core body in a chain-type iron core structure of the present utility model.

[0014] Figure 3 It is a schematic diagram of the enlarged view at position B in a chain-type iron core structure of the present utility model.

[0015] Figure 4 It is a schematic diagram of the enlarged view at position A in a chain-type iron core structure of the present utility model.

[0016] Figure 5 It is a schematic diagram of the enlarged view at position C in a chain-type iron core structure of the present utility model.

[0017] In the figure: 1, iron core body; 2, iron core slot; 3, iron core hole; 4, engaging part; 5, engaging groove; 6, connecting frame; 7, iron core seat; 8, limiting groove; 9, limiting frame; 10, first sealing ring; 11, second sealing ring. Specific Embodiments

[0018] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments. However, those skilled in the art will understand that the following described embodiments are part of the embodiments of the present utility model, rather than all embodiments, and are only used to illustrate the present utility model and should not be construed as limiting the scope of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. For those conditions not specified in the embodiments, they shall be carried out according to the conventional conditions or the conditions recommended by the manufacturer. For the reagents or instruments not specified by the manufacturer, they are all conventional products that can be purchased commercially.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0021] As Figures 1-5 shown, a chain-type iron core structure includes an iron core body 1. A core slot 2 is opened at the top of the iron core body 1. An iron core seat 7 is integrally formed at the bottom of the iron core body 1. A clamping groove 5 is opened on one side of the iron core body 1. A clamping member 4 is integrally formed on the other side of the iron core body 1. Three groups of core holes 3 are opened on the upper surface of the iron core body 1. Multiple groups of iron core bodies 1 are connected to form an iron core assembly. The semi-circular connection structure is beneficial to the straight-strip winding and circular welding of the stator iron core. After the chain-type stator iron core is wound, it can be directly bent into a circle by the equipment, and the production efficiency is increased by 100%.

[0022] Further, a connecting frame 6 is fixed at the left side position of the leftmost iron core body 1. A limiting frame 9 is positioned at the end of the connecting frame 6. A first sealing ring 10 is positioned outside the limiting frame 9. A limiting groove 8 is formed at the right side position of the rightmost iron core body 1. A second sealing ring 11 is positioned inside the limiting groove 8.

[0023] Further, the iron core body 1, the iron core groove 2, the iron core seat 7 and the iron core hole 3 are integrally formed by casting.

[0024] Further, each group of iron core bodies 1 are spliced through a clamping groove 5 and a clamping member 4.

[0025] Further, the iron core body 1 and the connecting frame 6 are positioned by welding. The connecting frame 6 and the limiting frame 9 are positioned by welding. The iron core body 1 and the limiting groove 8 are integrally formed by casting.

[0026] Further, the overall iron core formed by the iron core bodies 1 is clamped through the limiting frame 9 and the limiting groove 8.

[0027] Working principle: The utility model includes an iron core body 1, an iron core groove 2, an iron core hole 3, a clamping member 4, a clamping groove 5, a connecting frame 6, an iron core seat 7, a limiting groove 8, a limiting frame 9, a first sealing ring 10 and a second sealing ring 11. Adopting a semi-circular connection structure is beneficial to the straight strip winding and circular welding of the stator iron core. After the chain-type stator iron core is wound, it can be directly bent into a circle by the equipment, and the production efficiency is increased by 100%. It not only realizes the automation of the stator circular splicing, but also avoids the roundness quality hidden danger of the ordinary stator iron core. At the same time, it can be matched with an automatic circle bending machine to realize automatic operation. Among them, the design of the stator iron core has been developed through multiple rounds of discussion and mold repair. The manufacturing problems that may be caused during the assembly process are avoided in the design. A technical barrier for the automatic circular splicing solution of the frameless torque motor stator is formed.

[0028] It should be noted that in this article, relational terms such as first and second (No. 1, No. 2) are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0029] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not restricted by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A chain - type iron core structure, comprising an iron core body (1), characterized in that: A core slot (2) is provided at the top of the core body (1). A core base (7) is integrally formed at the bottom of the core body (1). A clamping groove (5) is provided on one side of the core body (1). A clamping member (4) is integrally formed on the other side of the core body (1). Three groups of core holes (3) are provided on the upper surface of the core body (1). Multiple core bodies (1) are connected to form a whole core.

2. The chain - type iron core structure according to claim 1, wherein: A connecting frame (6) is fixed at the left position of the leftmost core body (1). A limiting frame (9) is positioned at the end of the connecting frame (6). A first sealing ring (10) is positioned outside the limiting frame (9). A limiting groove (8) is provided at the right position of the rightmost core body (1). A second sealing ring (11) is positioned inside the limiting groove (8).

3. A chain-type iron core structure according to claim 1, characterized in that: The core body (1), the core slot (2), the core base (7) and the core holes (3) are integrally formed by casting.

4. A chain-type iron core structure according to claim 1, characterized in that: Each group of core bodies (1) are spliced through the clamping groove (5) and the clamping member (4).

5. A chain-type iron core structure according to claim 2, characterized in that: The core body (1) and the connecting frame (6) are welded and positioned. The connecting frame (6) and the limiting frame (9) are welded and positioned. The core body (1) and the limiting groove (8) are integrally formed by casting.

6. A chain-type iron core structure according to claim 2, characterized in that: The whole core formed by the core bodies (1) is clamped through the limiting frame (9) and the limiting groove (8).