Anti-corrosion insulating neodymium-iron-boron magnet
By incorporating connecting components and a coating inside neodymium iron boron magnets, the problem of traditional magnets easily slipping off is solved, achieving a stable connection and improved durability, making them suitable for electrical equipment in complex environments.
Patent Information
- Application Number
- CN202520610304.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-02
AI Technical Summary
Traditionally, multiple neodymium iron boron magnets are prone to slipping and unstable connections when assembled, making it difficult to operate stably in complex environments for extended periods.
The neodymium iron boron magnet body is equipped with connecting components, including locating pins and screws, and is coated with epoxy resin and zinc-nickel alloy coatings on the outside. Circular grooves are etched on the surface to increase friction.
It improves the stability of the magnet assembly, prevents slippage, enhances corrosion and wear resistance, and ensures the safe and reliable operation of electrical equipment.
Smart Images
Figure CN223956397U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of neodymium iron boron magnet, especially to anticorrosion insulation neodymium iron boron magnet. BACKGROUND
[0002] In modern industrial production and many technical application fields, the demand for high-performance magnetic materials is extremely urgent. Anticorrosion insulation neodymium iron boron magnet can play a key role in various devices such as motors, sensors, magnetic separation equipment, etc. due to its strong magnetism, thereby greatly promoting the performance improvement of the equipment. At the same time, in some special environments, such as humid industrial workshops, corrosive chemical plants, and electronic equipment with strict electrical insulation requirements, ordinary magnets cannot meet the long-term stable operation requirements, while anticorrosion insulation neodymium iron boron magnet can effectively resist external environmental erosion and ensure safe and reliable operation of the equipment, so it is widely used in various devices in these complex environments.
[0003] In the prior art, for the scene that needs to use multiple magnets combination, the common way is to use the magnetism of the magnet itself to realize the assembly. Its technical principle is based on the same pole repulsion and opposite pole attraction characteristics of the magnet, by bringing the magnets with different magnetic poles close to each other, they are naturally attracted together. This way is relatively common in some simple scenes that do not require high stability of the magnet combination, and the operation is relatively simple without the need for additional complex connecting parts.
[0004] Since most of the neodymium iron boron magnets have smooth surfaces, when multiple magnets are placed by mutual attraction, they are prone to relative displacement between the magnets due to accidental touching by workers, collision of surrounding objects, or even vibration of the equipment itself during daily use, which may cause the magnets to slide off and make the structure of the magnet combination unstable. Therefore, the anticorrosion insulation neodymium iron boron magnet is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an anticorrosion insulation neodymium iron boron magnet, which aims to improve the problem of easy sliding and unstable connection of traditional multiple neodymium iron boron magnets in the prior art.
[0006] To achieve the above-mentioned purpose, the anticorrosion insulation neodymium iron boron magnet provided by the utility model embodiment comprises a magnet body, a connecting assembly is arranged inside the magnet body, and a coating assembly is arranged on the side wall of the magnet body.
[0007] The connecting assembly comprises a positioning pin, a screw rod is threadedly connected inside the magnet body, a fixed block is fixedly connected to the side wall of the screw rod, the positioning pin is fixedly connected to the side wall of the fixed block, a positioning hole is formed in the magnet body, and the positioning pin is slidingly connected inside the positioning hole.
[0008] As a further description of the above technical solutions:
[0009] The coating assembly comprises an epoxy resin coating arranged on the side wall of the magnet body;
[0010] As a further description of the above technical solutions:
[0011] The side wall of the epoxy resin coating is provided with a zinc-nickel alloy coating, and a circular groove is arranged in the interior of the magnet body;
[0012] As a further description of the above technical solutions:
[0013] The epoxy resin coating is made of epoxy resin and is used for providing insulation protection for the magnet body;
[0014] As a further description of the above technical solutions:
[0015] The zinc-nickel alloy coating is made of zinc-nickel alloy and is used for improving the corrosion resistance and wear resistance of the magnet body;
[0016] As a further description of the above technical solutions:
[0017] The circular groove is formed by laser etching technology and is used for enabling the surface of the magnet body to have friction.
[0018] Optionally,
[0019] The above one or more technical solutions in the anti-corrosion and insulation neodymium iron boron magnet provided by the embodiment of the utility model have at least one of the following technical effects:
[0020] 1、In the utility model, when multiple magnet bodies need to be connected, the screw rod is screwed into the threaded hole in the magnet body, the positioning pin is fixed on the side wall during the screwing process, the positioning hole of another magnet body is aligned with the positioning pin, the connection of the two magnet bodies is completed, multiple assembly combinations are realized in this way, the problem of easy sliding and unstable connection of traditional multiple neodymium iron boron magnets is solved, and the stability of the magnet combination is improved through the above technical solution.
[0021] 2、In the utility model, the epoxy resin coating is attached to the side wall of the magnet body to form an insulation layer to block the current and prevent the magnet body from being electrified, the zinc-nickel alloy coating on the outside relies on the corrosion resistance and wear resistance of zinc-nickel alloy to resist the erosion of external corrosive substances, reduce surface damage caused by friction and collision, the circular groove forms a specific texture on the surface of the magnet body to increase the friction, the problem of easy electrification and corrosion and wear of traditional magnets is solved, and the durability of the magnet is improved through the above technical solution. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0023] Figure 1 A three-dimensional schematic view of the anti-corrosion insulation neodymium iron boron magnet according to the present application is shown in the figure.
[0024] Figure 2 A connection structure schematic view of the anti-corrosion insulation neodymium iron boron magnet according to the present application is shown in the figure.
[0025] Figure 3 A back three-dimensional schematic view of the anti-corrosion insulation neodymium iron boron magnet according to the present application is shown in the figure.
[0026] Figure 4 A magnet internal structure schematic view of the anti-corrosion insulation neodymium iron boron magnet according to the present application is shown in the figure.
[0027] In the figure, various reference signs are as follows:
[0028] 1, magnet body; 2, screw rod; 3, fixed block; 4, positioning pin; 5, positioning hole; 6, round groove; 7, epoxy resin coating; 8, zinc-nickel alloy coating. DETAILED DESCRIPTION
[0029] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.
[0030] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0031] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.
[0032] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and other terms should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.
[0033] Referring to Figure 1 Figure 3 The utility model provides an embodiment: anticorrosive insulation neodymium iron boron magnet, including magnet body 1, magnet body 1 inside is provided with connecting assembly, magnet body 1 side wall is provided with coating assembly;Connecting assembly includes positioning pin 4, magnet body 1 inside screw thread is connected with screw rod 2, and screw rod 2 side wall is fixedly connected with fixed block 3, and positioning pin 4 is fixedly connected on the side wall of fixed block 3, and the positioning hole 5 is set up in magnet body 1 inside, and positioning pin 4 is slidably connected in the positioning hole 5 inside, and positioning pin 4 and the positioning hole 5 on another magnet body 1 cooperate to realize the positioning function;
[0034] When multiple magnet bodies 1 need to be connected, screw rod 2 is screw connected into the threaded hole in the inside of magnet body 1, screw rod 2 acts as a connecting component, which provides fastening force through threaded cooperation to ensure the stability of connection. In various equipment that need to assemble magnets, such as the adsorption module of large electromagnetic crane, the fastening effect of screw rod 2 can ensure that multiple magnet bodies 1 will not separate when bearing heavy objects. With screw rod 2 being screwed in, fixed block 3 moves, and fixed block 3 plays a role in supporting positioning pin 4, so that positioning pin 4 is fixed on the side wall of fixed block 3. Its role is to cooperate with the positioning hole 5 on another magnet body 1 to realize the positioning function and ensure the correct position of multiple magnet bodies 1 when assembling. By analogy, the assembly and combination of multiple magnet bodies 1 can be realized. This assembly and combination method can flexibly adjust the magnetic field strength and distribution range of the equipment.
[0035] Referring to Figure 4 The coating assembly comprises an epoxy coating layer 7 arranged on the side wall of the magnet body 1, a zinc-nickel alloy coating layer 8 arranged on the side wall of the epoxy coating layer 7, and a circular groove 6 arranged in the magnet body 1; the epoxy coating layer 7 is made of epoxy resin and is used for providing insulation protection for the magnet body 1; the zinc-nickel alloy coating layer 8 is made of zinc-nickel alloy and is used for improving the corrosion resistance and wear resistance of the magnet body 1; and the circular groove 6 is formed by laser etching technology and is used for enabling the surface of the magnet body 1 to have friction and stably cooperate with other components.
[0036] The epoxy coating layer 7 is attached to the side wall of the magnet body 1 to form an insulation layer to block current and prevent the magnet body 1 from being electrified, thereby ensuring the safe use of the magnet body 1 in electrical equipment. The zinc-nickel alloy coating layer 8 is arranged outside the epoxy coating layer 7 and utilizes the corrosion resistance and wear resistance of zinc-nickel alloy to resist the erosion of the magnet body 1 by corrosive substances in the external environment and reduce surface damage caused by friction and collision.
[0037] Working principle: when multiple magnet bodies 1 need to be connected, the threaded rod 2 is screwed into the threaded hole in the magnet body 1, the positioning pin 4 is fixed to the side wall of the magnet body 1 as the threaded rod 2 is screwed in, then the corresponding positioning hole 5 on another magnet body 1 is aligned with the positioning pin 4, and the two magnet bodies 1 are stably connected, and the same operation can be performed on multiple magnet bodies 1 to realize the assembly and combination of multiple magnet bodies 1.
[0038] The epoxy coating layer 7 is attached to the side wall of the magnet body 1 to form an insulation layer to block current and prevent the magnet body 1 from being electrified, thereby ensuring the safe use of the magnet body 1 in electrical equipment. The zinc-nickel alloy coating layer 8 is arranged outside the epoxy coating layer 7 and utilizes the corrosion resistance and wear resistance of zinc-nickel alloy to resist the erosion of the magnet body 1 by corrosive substances in the external environment and reduce surface damage caused by friction and collision.
[0039] The remaining parts of the embodiment are the same as those of the first embodiment, and the features not explained in the embodiment are explained by referring to the first embodiment, which will not be repeated here.
[0040] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. Corrosion-resistant insulated neodymium-iron-boron magnet comprising a magnet body (1), characterized in that: The magnet body (1) is internally provided with a connecting assembly, and the sidewall of the magnet body (1) is provided with a coating assembly; The connecting assembly comprises a positioning pin (4), the magnet body (1) is internally threadedly connected with a screw rod (2), the sidewall of the screw rod (2) is fixedly connected with a fixed block (3), the positioning pin (4) is fixedly connected to the sidewall of the fixed block (3), and the magnet body (1) is internally provided with a positioning hole (5), and the positioning pin (4) is slidably connected in the positioning hole (5).
2. The corrosion resistant insulated NdFeB magnet according to claim 1, characterized in that: The coating assembly comprises an epoxy resin coating (7), and the epoxy resin coating (7) is arranged on the sidewall of the magnet body (1).
3. The corrosion resistant insulated NdFeB magnet according to claim 2, wherein: The sidewall of the epoxy resin coating (7) is provided with a zinc-nickel alloy coating (8), and the magnet body (1) is internally provided with a circular groove (6).
4. The corrosion resistant insulated NdFeB magnet according to claim 3, wherein: The epoxy resin coating (7) is made of epoxy resin and is used for providing insulation protection for the magnet body (1).
5. The corrosion resistant insulated NdFeB magnet according to claim 4, wherein: The zinc-nickel alloy coating (8) is made of zinc-nickel alloy and is used for improving the corrosion resistance and wear resistance of the magnet body (1).
6. The corrosion resistant insulated NdFeB magnet according to claim 5, wherein: The circular groove (6) is made of laser etching technology and is used for enabling the magnet body (1) to have friction on the surface.