Packaging method facilitating delivery of neodymium-iron-boron magnets

Abstract

The invention relates to the technical field of neodymium-iron-boron magnet packaging, and particularly discloses a packaging method for facilitating delivery of neodymium-iron-boron magnets, which comprises the following steps: S1, cleaning the surfaces of the neodymium-iron-boron magnets; the surface of the cleaned neodymium-iron-boron magnet is coated with an anti-oxidation coating through an anti-oxidation coating technology; s2, performing magnetic pole marking on the neodymium-iron-boron magnets subjected to coating treatment, and arranging and adsorbing the neodymium-iron-boron magnets with marked magnetic poles on a flexible magnetic conductive sheet at intervals; s3, a flexible buffer carrier is arranged on the magnetic conductive sheet, the flexible buffer carrier is provided with a plurality of containing grooves, the different neodymium-iron-boron magnets are located in the different containing grooves of the flexible buffer carrier respectively, and the shapes of the containing grooves are matched with the shapes of the neodymium-iron-boron magnets; and S4, the magnetic conductive sheets with the neodymium-iron-boron magnets and the flexible buffer carriers are loaded into packaging bags to be packaged and then stacked in a box body, magnetic shielding assemblies are arranged on the six faces of the box body, and the space between the packaging bags is filled with flexible damping materials.

Description

Technical Field

[0001] The invention relates to the technical field of neodymium iron boron magnet packaging, and in particular discloses a packaging method for facilitating the shipment of neodymium iron boron magnets. Background Art

[0002] In the field of shipping and packaging of NdFeB magnets, there have long been many problems that need to be solved. In traditional packaging methods, the surface cleaning of the magnets is often not in place, resulting in poor adhesion of the anti-oxidation coating, easy rusting of the magnets, and greatly reduced performance. In addition, during transportation, due to the lack of effective buffering and protection measures, the magnets are frequently damaged by collisions and vibrations. The interference of the magnetic field to the outside world and the influence of the external magnetic field on the performance of the magnets have not been properly resolved, which greatly reduces the qualification rate and reliability of the products.

[0003] From the perspective of materials and processes, it is difficult for common packaging materials and processes to take into account multiple properties. For example, magnetic materials are either not flexible enough or have poor magnetic conductivity, the protective effect of buffer materials is limited, and the magnetic shielding structure is simple and inefficient, which cannot meet the growing demand for high-quality packaging. At the same time, the overall packaging process is complicated to operate, making it difficult to achieve precise positioning and automated production. Packaging materials cannot be reused, which is a waste of resources and not environmentally friendly, causing great pressure on the environment. These problems have seriously restricted the development of the NdFeB magnet industry, and a new, efficient and environmentally friendly packaging method is urgently needed to improve the status quo. Summary of the invention

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a packaging method that is convenient for shipping NdFeB magnets.

[0005] To achieve the above object, a packaging method for facilitating the shipment of NdFeB magnets according to the present invention comprises the following steps:

[0006] S1: Clean the surface of the NdFeB magnet; apply an anti-oxidation coating to the cleaned surface of the NdFeB magnet through an anti-oxidation coating process;

[0007] S2: Mark the magnetic poles of the coated NdFeB magnets, and arrange the marked magnetic poles of the NdFeB magnets in an interval manner and adsorb them on the flexible magnetic conductive sheet.

[0008] Cleaning treatment removes surface impurities, ensures the adhesion of the anti-oxidation coating, and extends the anti-rust period of the magnet. The anti-oxidation coating avoids traditional plating pollution, maintains surface finish, and provides a reliable basis for subsequent magnetic pole marking. The magnetic pole marking realizes rapid magnetic pole identification, and the interval adsorption reduces the damage caused by strong magnetic adhesion. The flexible magnetic conductive sheet takes into account both magnetic conductivity and flexibility, adapts to the adsorption requirements of magnets of different shapes, and the interval arrangement provides a standardized benchmark for the subsequent buffer carrier installation.

[0009] Further, the following steps are also included:

[0010] S3: A flexible buffer carrier is arranged on the magnetic conductive sheet. The flexible buffer carrier has a plurality of accommodating grooves, and different neodymium iron boron magnets are respectively located in different accommodating grooves of the flexible buffer carrier. The shape of the accommodating groove matches the shape of the neodymium iron boron magnet.

[0011] The flexible buffer carrier realizes precise positioning of the magnets through the accommodating grooves, avoiding transportation displacement. The matching design of the groove shape disperses the impact force and reduces the single-point stress concentration. Flexible materials such as foam absorb vibration energy, and the composite structure enhances physical protection. The accommodating grooves provide a positioning reference for automated packaging, improving production efficiency. The combination of the carrier and the magnetic conductive sheet realizes double guarantees of magnetic adsorption and mechanical fixation, adapting to complex logistics environments.

[0012] Further, the following steps are also included:

[0013] S4: The magnetic conductive sheet and the magnetic buffer carrier equipped with neodymium iron boron magnets are loaded into an encapsulation bag, encapsulated, and then stacked in a box. Magnetic shielding components are arranged on six sides of the box, and flexible shock-absorbing materials are filled between each encapsulation bag and between the magnetic shielding components and the encapsulation bag;

[0014] S5: The box is sealed with tape, and an identification card is pasted on the surface of the box. The identification card records relevant information about the neodymium iron boron magnets in the box.

[0015] The magnetic shielding components isolate the magnetic field from interfering with the outside world, and the multi-layer composite structure comprehensively protects against the magnetic field and electromagnetic waves. The filling of flexible shock-absorbing materials eliminates packaging gaps and prevents friction damage. The six-sided shielding design provides comprehensive protection, and the modular encapsulation is convenient for warehousing management. The identification card enables full-process traceability, and the tape sealing enhances moisture and dust protection. The stacking design saves storage space, and the standardized encapsulation adapts to automated production line operations.

[0016] Further, the magnetic conductive sheet in S2 is made of a magnetic conductive powder material mixed with rubber, magnetic powder, and iron powder. The magnetic conductive powder material is made into an iron powder cloth through an extrusion molding device. The magnetic conductive sheet is an iron powder cloth or a magnetic film formed by magnetizing the iron powder cloth.

[0017] The composite formula of rubber, magnetic powder, and iron powder endows the magnetic conductive sheet with flexibility and magnetic conductivity. The extrusion molding process ensures material uniformity. The iron powder cloth can be magnetized to form a magnetic film, providing diversified adsorption solutions. The flexible magnetic conductive sheet adapts to the adsorption requirements of curved magnets, has a low material cost and can be recycled. The composite structure takes into account both magnetic adsorption force and mechanical strength, ensuring stability during transportation.

[0018] Further, the following step is also included: Oil is applied to one side of the magnetic conductive sheet, so that a smooth surface layer is formed on one side of the magnetic conductive sheet, and the other side of the magnetic conductive sheet is a matte surface layer. The neodymium iron boron magnet is used for adsorption and fixation on the smooth surface layer.

[0019] The differential design of the glossy surface layer and the matte surface layer realizes the single-sided adsorption function, and the matte surface layer provides anti-slip support. The oiling process forms a low-friction interface to prevent the permanent adhesion between the magnet and the magnetic conductive sheet. The double-sided structure enhances the adaptability of the packaging system. The glossy surface layer maintains the adsorption stability, and the matte surface layer provides buffer protection. The reusable design reduces the packaging cost and conforms to the concept of green manufacturing.

[0020] Further, the flexible buffer carrier in S3 is a foam layer. The foam layer is pasted on the magnetic conductive sheet through glue, and the accommodation groove penetrates the foam layer along the thickness direction of the foam layer.

[0021] The foam layer is fixed by glue pasting. The through design of the accommodation groove facilitates the loading and unloading of the magnet. The foam material has good seismic performance, and the through structure in the thickness direction releases the adsorption stress. The glue pasting process ensures the bonding strength between the carrier and the magnetic conductive sheet, and the standardized accommodation groove improves the positioning accuracy. The composite structure of the foam layer and the magnetic conductive sheet forms a double buffer protection to adapt to different transportation vibration environments.

[0022] Further, the following steps are also included:

[0023] Use a painting device or a laser device to set a plurality of marking positions on the magnetic conductive sheet, and adsorb and position the neodymium iron boron magnet on the marking positions on the magnetic conductive sheet.

[0024] The marking position technology realizes the precise positioning of the magnet, improves the packaging efficiency and consistency. The laser or painting marking method adapts to different surface materials, and the marks are clear and durable. The standardized positioning points provide a benchmark for automated assembly and reduce the manual operation error. The reusable marking design enhances the flexibility of the production line and adapts to the packaging requirements of multi-batch products.

[0025] Further, the glossy surface layer is coated with silicone oil or fluorocarbon material to form a reusable anti-adhesive layer.

[0026] The silicone oil or fluorocarbon coating forms an anti-adhesive layer to prevent the irreversible adhesion between the magnet and the magnetic conductive sheet. The reusable design reduces the material consumption and meets the environmental protection requirements. The anti-adhesive layer keeps the surface clean and avoids residual pollution affecting subsequent use. The coating process does not affect the magnetic conductivity of the magnetic conductive sheet and ensures the adsorption stability. The low surface energy interface facilitates the rapid loading and unloading of the magnet and improves the packaging efficiency.

[0027] Further, the magnetic shielding component in S4 includes at least one of a first shielding layer, a second shielding layer, and a third shielding layer. The first shielding layer is made of at least one high magnetic permeability material among permalloy, silicon steel sheet, and ferrite, and has a thickness of 0.05 - 0.3 mm; the second shielding layer is made of at least one conductive material among copper, aluminum, and conductive composite materials, and has a thickness of 0.02 - 0.2 mm; the third shielding layer is made of metamaterial or magnetostrictive material; the first shielding layer and / or the second shielding layer and / or the third shielding layer are combined by lamination, coating, or blending to form a composite shielding structure covering six sides of the foam layer.

[0028] The multi-layer shielding structure combines magnetic field shielding and electromagnetic wave protection. High magnetic permeability materials block static magnetic fields, and conductive materials shield alternating magnetic fields. The metamaterial layer realizes special protection functions, and the lamination process ensures structural stability. The combination method is flexibly adjustable, and shielding solutions can be customized according to customer needs. The composite structure controls the overall thickness while ensuring shielding effectiveness, meeting the requirements of lightweight packaging.

[0029] Further, the flexible buffer carrier in S3 is one or a combination of pearl cotton, polyurethane foam, silicone foam, EVA, and honeycomb cardboard.

[0030] Diverse buffer materials provide different options for protection performance. Pearl cotton has low cost, silicone foam has good elasticity, and honeycomb cardboard is environmentally friendly. Using them in combination can optimize the buffer solution and adapt to magnets of different weights and shapes. Flexible materials absorb impact energy, and the honeycomb structure disperses stress. The combination of environmentally friendly materials conforms to the trend of sustainable development and enhances the competitiveness of products.

[0031] The beneficial effects of the present invention are as follows:

[0032] (1) Omnidirectional protection guarantee: Through cleaning treatment and anti-oxidation coating, oxidation can be effectively resisted, ensuring the stable performance of the magnet; the flexible buffer carrier, the accommodating groove, and the multi-layer magnetic shielding component provide comprehensive protection for the magnet from physical protection to magnetic field shielding, avoiding collision, vibration damage, and magnetic field interference during transportation, and greatly improving the safety of the product during storage and transportation.

[0033] (2) Significant advantages in materials and processes: The magnetic conductive sheet is made by compounding rubber, magnetic powder, and iron powder and is formed by extrusion, having both flexibility and magnetic conductivity; the flexible buffer carrier composed of a variety of materials, such as foam and pearl cotton, with reasonable fixing and structural design, can effectively absorb impact energy; the multi-layer structure of the magnetic shielding component, composed of high magnetic permeability, conductive materials, and metamaterials, etc., realizes efficient shielding through processes such as lamination, while taking into account cost and lightweight requirements.

[0034] (3) Convenient operation and environmental protection: The marking position is set to achieve precise positioning, improving packaging efficiency and consistency; The reusable anti-sticking layer formed by coating silicone oil or fluorocarbon material on the light surface layer facilitates the loading and unloading of magnets and reduces material consumption; The overall packaging design conforms to the concept of green manufacturing, reducing the impact on the environment while ensuring packaging quality. Each step is easy to operate, adapting to automated production line operations and improving production efficiency. Description of the Drawings

[0035] Figure 1 It is a schematic flow chart of the steps of a packaging method for facilitating the shipment of neodymium iron boron magnets according to the present invention;

[0036] Figure 2 It is a schematic structural diagram of a mixer according to the present invention;

[0037] Figure 3 It is a schematic partial structural diagram of the present invention;

[0038] Figure 4 It is a schematic structural diagram of a mixing blade and a mixing shaft according to the present invention;

[0039] Figure 5 It is an exploded view of a mixing blade and a mixing shaft according to the present invention;

[0040] Figure 6 It is a schematic structural diagram of an ultrasonic cleaning device according to the present invention;

[0041] Figure 7 It is a schematic structural diagram of an electroplating device according to the present invention;

[0042] Figure 8 It is a schematic partial structural diagram of an electroplating device according to the present invention;

[0043] Figure 9 It is a schematic structural diagram of a hot press according to the present invention;

[0044] Figure 10 It is a schematic structural diagram of a stop component according to the present invention;

[0045] Figure 11 It is a schematic structural diagram of a laser machine according to the present invention.

[0046] Reference numerals include: 1, hot press; 11, hot press frame; 12, hot press substrate; 121, accommodation through hole; 13, hot press plate; 14, hot press driver; 15, transport line; 16, lifting driver; 17, stop component; 171, cylinder; 172, rotating block; 173, stop roller; 2, ultrasonic cleaning device; 21, cleaning frame; 22, cleaning tank; 221, first transducer; 23, rinsing tank; 24, drying tank; 241, drying fan; 25, accommodation platform; 26, accommodation hole; 27, shock absorption spring; 3, mixer; 31, mixing frame; 32, mixing container; 321, inner mixing cylinder; 322, outer mixing cylinder; 33, mixing blade; 34, mixing driver; 341, mixing motor; 342, first bevel gear; 343, second bevel gear; 35, feeding device; 351, feeding funnel; 36, discharge port; 37, mixing shaft; 371, gear disc; 372, reinforcing shaft; 373, driven gear; 374, scraping plate assembly; 38, heat exchanger; 4, electroplating equipment; 41, electroplating tank; 411, titanium mesh; 412, carrier frame; 413, electroplating driver; 414, cooling pipe; 42, liquid storage tank; 43, ultrasonic generator; 44, vibration plate; 45, second transducer; 5, laser machine; 51, laser frame; 52, laser; 53, first driver; 54, second driver; 55, material loading table. Detailed implementation manners

[0047] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following, in combination with the accompanying drawings and preferred embodiments, details the specific implementation manners, structures, features and their effects of the present invention as follows.

[0048] Please refer to Figures 1 to 11 As shown, a packaging method for facilitating the shipment of neodymium iron boron magnets according to the present invention includes the following steps:

[0049] S1: Clean the surface of the neodymium iron boron magnet; coat an anti-oxidation coating on the surface of the cleaned neodymium iron boron magnet through an anti-oxidation coating process.

[0050] S2: Mark the magnetic poles of the neodymium iron boron magnets after the coating treatment, and arrange and adsorb the neodymium iron boron magnets with marked magnetic poles on a flexible magnetic conductive sheet at intervals.

[0051] In actual use, the surface of the neodymium iron boron magnet is cleaned to remove surface impurities, which can effectively ensure the adhesion quality of the anti-oxidation coating. Coating the anti-oxidation coating greatly improves the corrosion resistance of the magnet, preventing its performance from degrading due to oxidation during subsequent storage and transportation, and extending the service life of the magnet. The pole markings facilitate users to quickly and accurately identify the poles during use, improving the convenience of use. The magnets are arranged and adsorbed on the flexible magnetic conductive sheet at intervals. On the one hand, it avoids surface damage caused by mutual adsorption and collision between the magnets; on the other hand, the flexible magnetic conductive sheet can be bent and folded according to actual needs, facilitating storage and transportation, and ensuring the stable position of the magnets in the package, reducing the shaking during transportation.

[0052] Specifically, it further includes the following steps:

[0053] S3: A flexible buffer carrier is arranged on the magnetic conductive sheet. The flexible buffer carrier has a plurality of accommodating grooves, and different neodymium iron boron magnets are respectively located in different accommodating grooves of the flexible buffer carrier. The shape of the accommodating groove matches the shape of the neodymium iron boron magnet.

[0054] In actual use, a flexible buffer carrier is arranged on the magnetic conductive sheet, and the carrier has a plurality of accommodating grooves that match the shape of the neodymium iron boron magnet, providing further protection for the magnets. The accommodating grooves are precisely adapted to the shape of the magnets and can tightly wrap the magnets, preventing them from rubbing and colliding with other objects due to displacement during transportation, effectively avoiding damages such as surface scratches and corner knocks, and better maintaining the integrity and performance of the magnets. The soft nature of the flexible buffer carrier itself can absorb vibrations and reduce the impact of external forces on the magnets. Even in a bumpy transportation environment, it can greatly reduce the risk of internal structure damage caused by vibrations, further improving the reliability and safety of the packaging, and building a solid defense line for the safe shipment of neodymium iron boron magnets.

[0055] Specifically, it further includes the following steps:

[0056] S4: The magnetic conductive sheet with the neodymium iron boron magnets and the flexible buffer carrier are loaded into an encapsulation bag, encapsulated, and then stacked in a box. Magnetic shielding components are provided on six sides of the box, and flexible shock-absorbing materials are filled between each encapsulation bag and between the magnetic shielding components and the encapsulation bag;

[0057] S5: The box is sealed with tape, and an identification card is pasted on the surface of the box. The identification card records relevant information about the neodymium iron boron magnets in the box.

[0058] In actual use, the magnetic conduction sheet with magnets and the buffer carrier are loaded into the packaging bag, which realizes further sealing protection for a single packaging unit and reduces the erosion of magnets by external dust, moisture, etc. They are then loaded into a box equipped with a magnetic shielding component, which effectively blocks the interference of the magnet's magnetic field on external electronic devices and also avoids the influence of external magnetic fields on the performance of neodymium iron boron magnets, ensuring their magnetic stability. Flexible shock-absorbing materials are filled between the packaging bags and between the bags and the magnetic shielding component, greatly enhancing the shock-absorbing effect, being able to resist vibrations and impacts during transportation in all directions, and better maintaining the physical and magnetic properties of the magnets.

[0059] The box is sealed with tape to ensure that the box is firmly sealed and prevent the items from scattering. An identification card recording relevant information about the neodymium iron boron magnets is pasted on the surface of the box, enabling the staff to quickly know key information such as the model, quantity, and magnetic pole characteristics of the magnets in the box. Whether in the warehousing inventory or transportation and distribution links, it greatly improves work efficiency, facilitates precise management of the goods, and provides strong support for the smooth operation of the entire shipping process.

[0060] Specifically, the magnetic conduction sheet in S2 is made of a magnetic conduction powder material mixed with rubber, magnetic powder, and iron powder. The magnetic conduction powder material is made into an iron powder cloth through an extrusion molding device, and the magnetic conduction sheet is the iron powder cloth or a magnetic film formed by magnetizing the iron powder cloth.

[0061] In actual use, first, its raw materials are made into a magnetic conduction powder material by mixing rubber, magnetic powder, and iron powder. The rubber gives the magnetic conduction sheet good flexibility, enabling it to easily adapt to various complex shapes and storage requirements, being able to be bent and folded at will without affecting its performance, facilitating flexible operation during the packaging process, and fitting better with the adsorption of neodymium iron boron magnets. The addition of magnetic powder and iron powder ensures the excellent magnetic conduction performance of the magnetic conduction sheet, which can effectively guide and restrict the magnetic field of the magnet, ensuring that the magnet is stably adsorbed on the magnetic conduction sheet and reducing the impact of magnetic field leakage on the surrounding environment and other items.

[0062] Secondly, the iron powder cloth made through an extrusion molding device has a mature process and controllable cost, has good strength and durability, can be reused multiple times, and reduces packaging costs. The magnetic film formed by magnetizing the iron powder cloth further enhances the adsorption force on the magnet, can fix the magnet more firmly, prevent the magnet from falling off due to vibrations and displacements during transportation, and better protect the position stability and integrity of the magnet, providing a solid guarantee for the reliability of the neodymium iron boron magnet shipping packaging.

[0063] Specifically, it further includes the following steps: applying oil to one side of the magnetic conduction sheet, so that a smooth surface layer is formed on one side of the magnetic conduction sheet, and the other side of the magnetic conduction sheet is a matte surface layer, and the neodymium iron boron magnet is used for adsorption and fixation on the smooth surface layer.

[0064] In actual use, the smooth surface layer can significantly improve the adsorption and fixation effect of the NdFeB magnet. Due to the presence of oil, the contact between the smooth surface layer and the magnet is closer, the intermolecular force is enhanced, and the firmness of the adsorption is greatly improved. Even if there is severe vibration during transportation, the magnet is extremely difficult to move or fall off, further ensuring the stability of the magnet position. From a protection perspective, the smooth surface layer plays an additional protective role.

[0065] The oil film can isolate air and moisture, reduce the risk of oxidation of the contact part between the magnetic sheet and the magnet, and cooperate with the previous anti-oxidation coating process to provide double protection for the magnet, further extending the service life of the magnet. The matte layer on the other side of the magnetic sheet makes it easier for workers to grasp and operate during the packaging process, avoiding the inconvenience of picking up due to the smooth surface layer, thereby improving the convenience of packaging operations. This design of glossy and matte surfaces takes into account the needs of magnet fixation, protection, and packaging operations, and comprehensively optimizes the shipping and packaging process of NdFeB magnets.

[0066] Specifically, the flexible buffer carrier in S3 is a foam layer, the foam layer is adhered to the magnetic conductive sheet by glue, and the accommodating groove penetrates the foam layer along the thickness direction of the foam layer.

[0067] In actual use, the foam material itself is soft and elastic, which can effectively absorb and disperse the impact force generated during transportation, providing excellent buffering protection for NdFeB magnets. When encountering bumps and collisions, the foam layer can greatly reduce the impact of external forces on the magnets, preventing the magnets from cracking, demagnetizing, and other damages due to force, effectively maintaining the physical and magnetic properties of the magnets.

[0068] The design of the accommodating groove running through the thickness of the foam layer accurately adapts to the shape of the NdFeB magnet, can tightly wrap the magnet, further limit its displacement during transportation, ensure the stability of the magnet position, and reduce mutual friction and collision caused by shaking. At the same time, the foam layer is glued to the magnetic sheet with glue. This fixing method is easy to operate and fits firmly. It not only ensures the stable combination of the buffer carrier and the magnetic sheet, but also does not cause damage to the magnetic sheet and the magnet. Moreover, the foam material has a low cost and a wide source, which is convenient for large-scale application. While improving the packaging protection performance, it effectively controls the packaging cost, provides an economical and efficient buffer solution for the shipment packaging of NdFeB magnets, and comprehensively optimizes the entire packaging process.

[0069] Specifically, the following steps are also included:

[0070] Use a brush device or a laser device to set multiple marking positions on the magnetic conductive sheet, and adsorb and position the NdFeB magnets on the marking positions on the magnetic conductive sheet.

[0071] In actual use, from the perspective of positioning accuracy, the marking positions provide clear placement locations for the magnets, greatly improving the accuracy and consistency of magnet arrangement. Whether manually marked with a painting device or precisely engraved with a laser device, it can ensure that the position of each magnet on the magnetic conductive sheet is fixed and meets the standards, avoiding problems such as uneven spacing or magnetic field interference caused by random placement, making the subsequent packaging process more orderly and efficient. In terms of operational convenience, staff can quickly and accurately place the magnets based on the clearly visible marking positions, reducing the operation difficulty and improving the packaging efficiency.

[0072] Especially during large-scale shipping packaging, this standardized positioning method can significantly reduce the manual adjustment time and accelerate the overall packaging speed. From the perspective of packaging standardization, the unified setting of marking positions helps to standardize and automate the packaging process. Subsequently, automated equipment can identify the marking positions to perform the adsorption and packaging operations of the magnets, improving the stability and quality of packaging, providing strong support for large-scale production and shipping, further optimizing the shipping packaging process of neodymium iron boron magnets, and comprehensively ensuring the packaging quality of products before transportation.

[0073] Specifically, a silicone oil or fluorocarbon material is coated on the light layer to form a reusable anti-sticking layer.

[0074] In actual use, the anti-sticking layer enables the magnetic conductive sheet to easily remove the magnets after completing one packaging task and can be reused after simple cleaning, greatly reducing the replacement frequency of packaging materials and saving a large amount of packaging costs in the long run. In terms of environmental protection, the reusable feature reduces the generation of packaging waste, conforms to the concept of green environmental protection, and reduces the pressure on the environment. At the level of operation experience, the anti-sticking layer can prevent the magnets from tightly adhering to the light layer, preventing possible surface scratches or damages when removing the magnets, and at the same time making the operation of the staff easier and more convenient, improving the efficiency and smoothness during the packaging process. Moreover, silicone oil and fluorocarbon materials have stable chemical properties and can always maintain good anti-sticking effects during long-term use, without being affected by environmental factors, providing a reliable guarantee for the multiple and efficient use of the magnetic conductive sheet, further improving the shipping packaging method of neodymium iron boron magnets, and optimizing the entire packaging process from multiple dimensions.

[0075] Specifically, the magnetic shielding component in S4 includes at least one of a first shielding layer, a second shielding layer, and a third shielding layer. The first shielding layer is made of at least one high magnetic permeability material among permalloy, silicon steel sheet, and ferrite, and has a thickness of 0.05 - 0.3 mm; the second shielding layer is made of at least one conductive material among copper, aluminum, and conductive composite materials, and has a thickness of 0.02 - 0.2 mm; the third shielding layer is made of metamaterial or magnetostrictive material; the first shielding layer and / or the second shielding layer and / or the third shielding layer are combined by lamination, coating, or blending to form a composite shielding structure covering six sides of the foam layer.

[0076] In actual use, the first shielding layer is made of high magnetic permeability materials such as permalloy, silicon steel sheet, and ferrite. Although the thickness is between 0.05 - 0.3 mm, it can efficiently guide and confine the magnetic field emitted by the magnet, effectively reducing magnetic field leakage, avoiding interference with surrounding electronic devices, and ensuring the normal operation of other items in the transportation environment. The second shielding layer uses conductive materials such as copper, aluminum, and conductive composite materials. A thickness of 0.02 - 0.2 mm is sufficient to utilize the principle of electromagnetic induction to convert the magnetic field change into an induced current and dissipate it, further weakening the magnetic field intensity and enhancing the shielding effect.

[0077] The third shielding layer is made of metamaterial or magnetostrictive material, and its unique physical properties can perform special regulation on the magnetic field, optimizing the overall shielding performance. By combining the shielding layers through lamination, coating, or blending to form a composite shielding structure covering six sides of the foam layer, all-round magnetic shielding protection is achieved. Different shielding layers perform their respective functions and work together in coordination, suppressing magnetic field leakage from multiple dimensions, providing a stable magnetic field environment for the neodymium iron boron magnet, preventing external magnetic fields from interfering with the magnet performance, ensuring the magnetic stability of the magnet during transportation, comprehensively enhancing the reliability and safety of the packaging, and improving the entire shipping packaging process.

[0078] Specifically, the flexible buffer carrier in S3 is one or a combination of pearl cotton, polyurethane foam, silicone foam, EVA, and honeycomb cardboard.

[0079] In actual use, pearl cotton has good flexibility and cushioning properties, is light in texture, can effectively absorb vibrations, protect the magnet from collision impacts during transportation, and its cost is relatively low, which can control the packaging cost while ensuring the protection effect. Polyurethane foam and silicone foam, with their excellent elasticity and wear resistance, provide lasting and stable buffer support for the magnet. Even after experiencing multiple bumps, they can still maintain good protection performance. EVA material has good chemical stability, has no corrosive effect on the magnet, and its flexibility and resilience are excellent. It can closely fit the shape of the magnet and provide all-round protection.

[0080] As an environmentally friendly material, honeycomb paperboard has a high strength-to-weight ratio. It can not only provide a reliable cushioning effect, but also effectively save space. At the same time, it conforms to the concept of environmental protection and reduces the impact of packaging on the environment. When a variety of materials are used in combination, they can complement each other according to actual needs. For example, the combination of soft pearl cotton and high-strength honeycomb paperboard can not only ensure the cushioning effect, but also enhance the overall structural stability. The flexible cushioning carrier composed of these materials works together with the magnetic shielding component to comprehensively improve the protective performance of the packaging, provide a solid guarantee for the safe shipment of NdFeB magnets, and further improve the entire shipment packaging process.

[0081] In this embodiment, the side of the flexible buffer carrier facing away from the accommodating groove is bonded and fixed to the corrugated paper by means of an intermediate adhesive, and the corrugated paper forms a three-level buffer system with the magnetic buffer carrier through its own double-corrugated π-shaped support structure.

[0082] In actual use, the flexible buffer carrier itself can absorb some vibrations, and the unique double-corrugated π-shaped support structure of the corrugated paper further enhances the buffering performance. During transportation, when encountering bumps and collisions, the three-level buffer system can disperse the impact layer by layer, greatly reducing the impact of external forces on the magnet, effectively avoiding damage to the magnet due to force, such as cracks, demagnetization, etc., and effectively maintaining the physical and magnetic properties of the magnet.

[0083] The intermediate glue firmly bonds the flexible buffer carrier to the corrugated paper to form a stable whole, which, together with the magnetic buffer carrier, provides reliable support and protection for the NdFeB magnets. This stable structure ensures that the magnets can remain in a stable position under various transportation environments, reducing displacement and shaking, and reducing the risk of mutual friction and collision. Moreover, corrugated paper is low in cost and widely available, which can improve the protective performance of the packaging without significantly increasing the cost, thus achieving cost-effectiveness optimization. This three-level buffer system comprehensively improves the reliability and safety of the packaging, and provides a strong guarantee for the safe shipment of NdFeB magnets.

[0084] In this embodiment, the cleaning process in S1 uses an ultrasonic cleaning device 2 to perform ultrasonic cleaning on the surface of the NdFeB magnet for 3-5 minutes. The cleaning solution is a mixed solution of deionized water and ethanol in a volume ratio of 7:3 to remove oil and impurities on the surface of the NdFeB magnet.

[0085] In actual use, 3-5 minutes of ultrasonic cleaning combined with a mixed solution of deionized water and ethanol in a volume ratio of 7:3 can effectively remove oil and impurities on the surface of the magnet. The high-frequency vibration of the ultrasonic wave can produce a strong cavitation effect, penetrate into the tiny gaps, and remove stubborn dirt. The ethanol in the mixed solution can effectively dissolve the oil, and the deionized water can wash away the impurities and ethanol dissolved substances. The two work together to ensure that the surface of the magnet is as clean as new.

[0086] The mixed solution of deionized water and ethanol has no corrosive effect on NdFeB magnets, will not affect the physical and magnetic properties of the magnets, and ensures the product quality. In terms of operation convenience, this method is simple to operate. The ultrasonic cleaning equipment 2 can process magnets in batches, improving the cleaning efficiency and being suitable for the packaging preparation work before large-scale production and shipment. This cleaning treatment method lays a good foundation for the subsequent coating of the anti-oxidation coating, ensures that the coating can adhere tightly, effectively improves the anti-oxidation effect, and thus comprehensively improves the quality of the NdFeB magnet shipping packaging, providing strong support for the stability of the product during storage and transportation.

[0087] In this embodiment, the anti-oxidation coating in S1 is formed by electroplating with the electroplating equipment 4. The coating material is titanium nitride or alumina, and the coating thickness is 1 - 3μm.

[0088] In actual use, the titanium nitride coating has excellent hardness and wear resistance, can effectively resist scratches that may occur during transportation and storage, and protect the magnet surface from damage; the alumina coating has good chemical stability and insulation properties, can isolate the contact between air, moisture and the magnet, and prevent oxidation reactions from occurring. At a thickness of 1 - 3μm, these two coating materials can closely fit the magnet surface, form a dense protective barrier, greatly delay the oxidation process, and significantly extend the service life of the magnet.

[0089] Even in harsh environments, such as high humidity and high salt environments, it can effectively protect the magnet and maintain its magnetic stability. In terms of process advantages, the electroplating equipment 4 operates precisely, can accurately control the coating thickness, ensure that each magnet can obtain a uniform and consistent protective coating, and the electroplating process is suitable for large-scale production, can meet the batch requirements of shipping packaging, and provide reliable anti-oxidation protection for NdFeB magnets efficiently and stably. Acting in synergy with the previous cleaning treatment, it comprehensively improves the quality of the magnet shipping packaging, laying a solid foundation for the long-term stable storage and transportation of the product in a complex environment.

[0090] In this embodiment, the depth of the accommodation groove in S3 is greater than the thickness of the magnet. The bottom of the accommodation groove is provided with anti-slip lines, and the depth of the accommodation groove is 0.5 - 1.5mm larger than the thickness of the NdFeB magnet.

[0091] In actual use, the deeper accommodation groove provides more ample buffer space for the magnet. When encountering external impacts, the magnet has a certain amount of movement margin in the accommodation groove, which can reduce the risk of damage caused by direct collisions and further protect the physical integrity of the magnet. The anti-slip lines at the bottom of the accommodation groove greatly enhance the friction between the magnet and the bottom of the accommodation groove. Even when the magnet experiences bumps and shakes during transportation, the magnet can firmly stay in place, avoiding collisions and frictions with other magnets or the internal structure of the packaging due to displacement, effectively maintaining the magnetic properties of the magnet and ensuring its stability during shipping and transportation.

[0092] Meanwhile, the depth difference of 0.5 - 1.5 mm is carefully designed to ensure sufficient protection and fixation effects while not affecting the compactness and space utilization rate of the packaging due to excessive depth. This design of the accommodation groove works in coordination with the flexible buffer carrier and the entire packaging system, comprehensively enhancing the protection ability of the packaging for neodymium iron boron magnets and providing a more reliable guarantee for the safe shipment of the magnets.

[0093] In this embodiment, the magnetic powder, iron powder, and rubber of the magnetic adhesive tape are stirred evenly by a mixer 3 to form a magnetic conductive powder material. The mixer 3 includes a stirring frame 31, a stirring container 32 arranged on the stirring frame 31. Inside the stirring container 32, there is a rotating stirring blade 33 and a stirring driver 34 for driving the stirring blade 33 to rotate. The stirring container 32 is provided with a feeding device 35 and a discharge port 36. The feeding device 35 has a feeding funnel 351 for sequentially adding magnetic powder, iron powder, and rubber in a quantitative manner, and the feeding funnel 351 is connected to the stirring container 32 through a pipeline.

[0094] During actual use, the stirring frame 31 stably supports the stirring container 32 to ensure the stability and reliability of the stirring process. The stirring blade 33 rotates efficiently driven by the stirring driver 34, fully mixing the magnetic powder, iron powder, and rubber, ensuring the uniform material properties of the magnetic adhesive tape, and providing a solid foundation for its subsequent adsorption and fixation of neodymium iron boron magnets. Secondly, the quantitative feeding funnel 351 of the feeding device 35 can accurately add raw materials in sequence, strictly controlling the material ratio to avoid affecting the quality of the magnetic adhesive tape due to ratio imbalance. Finally, the discharge port 36 facilitates the discharge of the finished product. The entire process is coherent and smooth, effectively improving production efficiency, ensuring the stable quality of the magnetic adhesive tape, and meeting the packaging requirements of neodymium iron boron magnets.

[0095] In this embodiment, the stirring driver 34 has a stirring motor 341, a first bevel gear 342, and a second bevel gear 343. The stirring container 32 is provided with a rotating stirring shaft 37, and the stirring blade 33 is installed on the stirring shaft 37. The second bevel gear 343 is coaxially arranged with the stirring shaft 37, and the stirring motor 341 drives the stirring shaft 37 to drive the stirring blade 33 to perform the stirring action through the first bevel gear 342 and the second bevel gear 343.

[0096] During actual use, the stirring motor 341 serves as the power source. With the cooperation of the first bevel gear 342 and the second bevel gear 343, it can efficiently and stably transmit power to the stirring shaft 37. The bevel gear transmission structure is compact and can achieve a large transmission ratio within a limited space, accurately regulating the rotation speed of the stirring blade 33 to meet the requirements of different mixing stages of magnetic powder, iron powder, and rubber for the stirring speed. When stirring the raw materials of the magnetic adhesive tape, a stable and appropriate rotation speed can ensure the uniform mixing of various materials, avoiding performance deviations of the magnetic adhesive tape caused by uneven stirring. At the same time, this transmission method operates smoothly with low noise, reducing the interference during equipment operation, ensuring the good order of the production environment, and extending the service life of the equipment.

[0097] In this embodiment, the stirring container 32 has a stirring inner cylinder 321 and a stirring outer cylinder 322. A plurality of heat exchangers 38 are arranged between the stirring inner cylinder 321 and the stirring outer cylinder 322 in a direction surrounding the central axis of the stirring container 32.

[0098] During actual use, when stirring magnetic powder, iron powder, and rubber to make the raw material of magnetic cloth, heat is generated during the mixing of the materials. The heat exchanger 38 can timely remove the excess heat, prevent the material properties from changing due to excessive temperature, and ensure the quality of the magnetic cloth. If some materials need to be mixed at a specific temperature to improve compatibility, the heat exchanger 38 can also meet the requirements by adjusting the temperature and optimize the mixing effect. Moreover, the heat exchangers 38 are arranged around the central axis, enabling uniform temperature adjustment, avoiding local overheating or overcooling, ensuring the stable mixing quality of the entire batch of materials, and thus laying a foundation for the reliable use of the magnetic cloth in the subsequent packaging process of neodymium iron boron magnets.

[0099] In this embodiment, the stirring blade 33 has a frame structure, and the number of stirring blades 33 is set to be multiple; a gear disk 371 is coaxially arranged on the stirring shaft 37. A reinforcing shaft 372 is arranged between the gear disk 371 and the second bevel gear 343. A driven gear 373 meshing with the gear disk 371 is arranged on the stirring blade 33, and a scraping plate assembly 374 cooperating with the stirring blade 33 is further arranged on the gear disk 371.

[0100] During actual use, the frame-structured stirring blades 33 increase the contact area with the materials. The multiple stirring blades 33 work together, greatly improving the stirring efficiency, ensuring the full and uniform mixing of magnetic powder, iron powder, and rubber, and guaranteeing the consistency of the material properties of the magnetic cloth. The gear disk 371 on the stirring shaft 37 meshes with the driven gear 373 on the stirring blade 33. Cooperating with the reinforcing shaft 372, each stirring blade 33 can rotate synchronously and stably, and the power transmission is more stable and reliable. The scraping plate assembly 374 can scrape off the materials adhering to the inner wall of the stirring container 32, avoiding material residue, enabling all raw materials to fully participate in the stirring, further improving the stirring uniformity, ultimately ensuring the quality of the magnetic cloth, and providing materials with stable performance for the packaging of neodymium iron boron magnets.

[0101] In this embodiment, an ultrasonic cleaning device 2 includes a cleaning rack 21, a cleaning tank 22, a rinsing tank 23, and a drying tank 24 that are sequentially arranged on the cleaning rack 21. The cleaning tank 22 is provided with a first transducer 221. The drying tank 24 has a drying fan 241 for drying the magnets rinsed in the rinsing tank 23. The first transducer 221 is electrically connected to an ultrasonic generator. Under the excitation of the electrical signal generated by the ultrasonic generator, the first transducer 221 can efficiently convert electrical energy into ultrasonic energy and transmit it to the cleaning liquid in the cleaning tank 22, thereby realizing the ultrasonic cleaning of the magnets placed in the cleaning tank 22. The cleaning rack 21 is also provided with shock-absorbing springs 27 that cooperate with the ultrasonic waves. The hot air generated by the drying fan 241 can quickly dry the moisture remaining on the surface of the magnets, realizing the efficient drying treatment of the rinsed magnets and providing dry magnet products for subsequent processes.

[0102] During actual use, the cleaning rack 21 integrates the cleaning tank 22, the rinsing tank 23, and the drying tank 24 to realize the integration of the cleaning, rinsing, and drying processes, greatly improving the cleaning efficiency of neodymium iron boron magnets, reducing manual transfer, and reducing the risk of secondary contamination of the magnets. The first transducer 221 and the ultrasonic generator cooperate to efficiently convert electrical energy into ultrasonic energy, and deeply remove the oil stains and impurities on the surface of the magnets by means of the cavitation effect, creating good conditions for the coating of the anti-oxidation coating. The shock-absorbing springs 27 on the cleaning rack 21 effectively reduce the vibration during ultrasonic operation, protect the equipment structure, extend the service life, and ensure the stability of the cleaning process. The drying fan 241 in the drying tank 24 quickly dries the moisture remaining on the surface of the magnets, provides dry products, prevents oxidation caused by moisture residue, and ensures the smooth progress of subsequent processes.

[0103] In this embodiment, the cleaning tank 22, the rinsing tank 23, and the drying tank 24 are all provided with accommodation platforms 25 for placing magnets. The accommodation platforms 25 have a plurality of accommodation holes 26. The specifications and shapes of the accommodation holes 26 are adapted to the magnets to be cleaned, ensuring that the magnets can be stably positioned during placement. At the same time, it is beneficial for the cleaning liquid and the rinsing liquid to fully flow between the accommodation holes 26, comprehensively wrap and act on the surface of the magnets.

[0104] During actual use, the specifications and shapes of the accommodation holes 26 are adapted to the magnets, enabling the magnets to be accurately positioned when placed, avoiding shaking or displacement during the cleaning process, ensuring the stability of the cleaning operation, and preventing uneven cleaning effects caused by changes in the position of the magnets. Secondly, the space formed between the numerous accommodation holes 26 greatly facilitates the flow of the cleaning liquid and the rinsing liquid. The cleaning liquid can comprehensively wrap the surface of the magnets, ensuring that the oil stains and impurities in every corner can be effectively washed away, improving the thoroughness of cleaning; the rinsing liquid can also fully play its role, thoroughly removing the residual cleaning liquid, and providing a cleaner basis for the subsequent drying process. This design optimizes the cleaning process, effectively guarantees the cleaning quality of the magnets, and lays a solid foundation for their subsequent packaging and use.

[0105] In this embodiment, the electroplating equipment 4 includes an electroplating tank 41 and a liquid storage tank 42. The liquid storage tank 42 delivers electrolyte to the electroplating tank 41 through a pipeline. The electroplating tank 41 is provided with a titanium mesh 411, a reciprocating carrier 412, and an electroplating driver 413 for driving the carrier 412 to reciprocate. The carrier 412 is used to place the magnet to be electroplated. The electroplating driver 413 drives the carrier 412 to move the magnet to be electroplated into the plating solution. The titanium mesh 411 serves as the anode during the electroplating process, and the carrier 412 is connected to the negative electrode of the power supply as the cathode during the electroplating process. The titanium mesh 411 promotes the deposition of metal ions in the plating solution onto the magnet on the carrier 412. The electroplating tank 41 is provided with a cooling pipe 414 for regulating the temperature of the plating solution in the electroplating tank 41.

[0106] During actual use, the liquid storage tank 42 continuously delivers electrolyte to the electroplating tank 41 through a pipeline, ensuring a stable supply of electrolyte during the electroplating process, maintaining the continuity of the electroplating reaction, and providing a guarantee for high-quality coatings. The titanium mesh 411 in the electroplating tank 41 serves as the anode, and the carrier 412 is connected to the negative electrode of the power supply as the cathode, promoting the uniform deposition of metal ions in the plating solution onto the magnet to be electroplated, achieving an efficient and uniform electroplating effect, and improving the quality and anti-oxidation performance of the neodymium iron boron magnet coating. The carrier 412 reciprocates under the drive of the electroplating driver 413, enabling the magnet to fully contact the plating solution at various positions in the plating solution, further ensuring the uniformity of the coating. The cooling pipe 414 regulates the temperature of the plating solution in the electroplating tank 41, preventing the plating solution from overheating due to heat generated by the electrochemical reaction, which may affect the electroplating effect, ensuring that the electroplating process proceeds stably at an appropriate temperature, and improving the coating quality and production stability.

[0107] In this embodiment, the electroplating equipment 4 further includes an ultrasonic generator 43. A vibrating plate 44 is provided in the electroplating tank 41. The vibrating plate 44 is provided with a second transducer 45 electrically connected to the ultrasonic generator 43. The electrical energy generated by the ultrasonic generator is converted into ultrasonic vibration energy by the second transducer 45 and transmitted to the plating solution through the vibrating plate 44, triggering the cavitation effect, accelerating the diffusion of ions in the plating solution, and making the coating of the magnet more uniform.

[0108] During actual use, the ultrasonic generator generates electrical energy, which is converted into ultrasonic vibration energy by the second transducer 45 and transmitted to the plating solution through the vibrating plate 44 to trigger the cavitation effect. This process greatly accelerates the diffusion of ions in the plating solution, enabling metal ions to deposit more uniformly and efficiently onto the surface of the magnet, significantly improving the coating uniformity. The uniform coating can not only enhance the anti-oxidation ability of the magnet but also improve its overall performance and aesthetics. At the same time, the introduction of ultrasonic waves optimizes the electroplating process, reduces the defective product rate caused by uneven coatings, improves production efficiency, reduces production costs, and provides more powerful guarantee for the stability of neodymium iron boron magnets during subsequent packaging, transportation, and use.

[0109] In this embodiment, the laser device is a laser machine 5, and the laser machine 5 marks a marking position on the magnetic conductive sheet. The laser machine 5 includes a laser frame 51, a reciprocating laser 52, a first driver 53 for driving the laser 52 to reciprocate, and a second driver 54 for driving the first driver 53 to reciprocate. The moving direction of the laser 52 is set crosswise with respect to the moving direction of the first driver 53. The laser frame 51 is provided with a loading table 55 for cooperating with the laser 52, and the loading table 55 is used to place the magnetic conductive sheet.

[0110] During actual use, under the collaborative drive of the first and second drivers 54, the laser 52 can achieve precise multi-directional movement, accurately mark the required marking positions on the magnetic conductive sheet, ensure the accuracy of the position of each marking position, provide a high-precision basis for the subsequent adsorption and positioning of neodymium iron boron magnets, and avoid problems such as chaotic magnet arrangement or magnetic field interference caused by marking position deviation. The reciprocating motion design of the laser machine 5 makes the marking process efficient and fast. The first driver 53 and the second driver 54 cooperate to flexibly adjust the moving path of the laser 52, can complete the marking of multiple marking positions at one time, greatly shorten the marking time, especially suitable for the batch production requirements during large-scale shipping packaging, and significantly improve the efficiency of the overall packaging process.

[0111] The loading table 55 on the laser frame 51 can conveniently place magnetic conductive sheets of different specifications. The laser machine 5 has good versatility and can accurately mark the marking positions for both small and large magnetic conductive sheets, adapting to various packaging scenarios. The use of this laser machine 5 further optimizes the shipping packaging process of neodymium iron boron magnets, comprehensively improves the standardization and efficiency of packaging, and provides a strong guarantee for product quality and shipping efficiency.

[0112] In this embodiment, the magnetic shielding component is obtained by a hot press 1. The hot press 1 includes a hot press frame 11, a hot press substrate 12 provided on the hot press frame 11, a reciprocating hot press plate 13, and a hot press driver 14 for driving the hot press plate 13 to reciprocate. The hot press driver 14 drives the hot press plate 13 to approach or move away from the hot press substrate 12 to achieve an automatic hot press action.

[0113] During actual use, the hot press frame 11 provides a stable support structure for the entire hot pressing operation, ensuring stable operation of the equipment. The hot press driver 14 precisely controls the reciprocating movement of the hot press plate 13 to achieve automatic hot pressing action, and can accurately regulate the pressure and time of hot pressing. By setting appropriate hot pressing parameters, the various layers of materials of the magnetic shielding component can be closely bonded and fully integrated to form a stable and efficient composite shielding structure. Automatic hot pressing greatly improves production efficiency. Compared with manual operation, it reduces the quality differences caused by human factors, ensuring that each magnetic shielding component can meet high-quality standards, thereby effectively shielding the magnetic field of the neodymium iron boron magnet and preventing it from interfering with the surrounding environment or other items, meeting the magnetic shielding requirements during the shipping, storage, and transportation of the product.

[0114] In this embodiment, a transport line 15 for transporting the shielding layer material is provided on the hot press frame 11, and a lifting driver 16 for driving the transport line 15 to reciprocate relative to the hot press frame 11 is provided. The hot press substrate 12 is provided with a receiving through hole 121 for cooperating with the transport line 15. The lifting driver 16 drives the transport line 15 to the receiving through hole 121 to cooperate with the hot press plate 13 to complete the hot pressing action.

[0115] During actual use, the transport line 15 can automatically transport the shielding layer material, greatly reducing the workload and time cost of manual handling and improving production efficiency. The lifting driver 16 can accurately drive the transport line 15 to reciprocate, enabling it to accurately reach the position of the receiving through hole 121, ensuring the positioning accuracy of the material before hot pressing. The receiving through hole 121 of the hot press substrate 12 cooperates with the transport line 15, enabling the material to be smoothly transported to the hot pressing area and seamlessly connecting the hot pressing action. This automated material transportation and positioning system effectively avoids the material position deviation that may be caused by manual operation, ensuring that the various shielding layer materials can be accurately aligned and closely combined during the hot pressing process, thereby improving the production quality and stability of the magnetic shielding component.

[0116] In this embodiment, a stop component 17 is provided at the end of the transport line 15. The stop component 17 has a cylinder 171 provided on the hot press frame 11, a rotating block 172 rotatably provided on the cylinder 171. A stop roller 173 is provided on the rotating block 172, and the rotating block 172 is connected to the output shaft of the cylinder 171.

[0117] In actual use, the cylinder 171 arranged on the hot pressing frame 11 can provide power support. By controlling the telescopic movement of the cylinder 171, the rotating block 172 can be accurately driven to rotate. The stop roller 173 on the rotating block 172 can flexibly perform the function of blocking or releasing the shielding layer material under the drive of the rotating block 172. When the material is transported to the end, the cylinder 171 pushes the rotating block 172 to make the stop roller 173 in the blocking position, which can effectively prevent the material from continuing to move due to inertia or other reasons, ensure that the material accurately stays at the predetermined position, and lay a foundation for the accurate progress of the subsequent hot pressing operation. When it is necessary to release the material for hot pressing operation, the cylinder 171 drives the rotating block 172 to rotate, so that the stop roller 173 moves away, and the material can smoothly enter the hot pressing area. This design improves the controllability and accuracy of material transportation, avoids the influence of material position deviation on the manufacturing quality of the magnetic shielding component, and ensures the stability and efficiency of the production process.

[0118] The above is only a preferred embodiment of the present invention, and it is not intended to limit the present invention in any form. Although the present invention has been disclosed above with the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the equivalent embodiments with equivalent changes within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A packaging method for facilitating the shipment of neodymium iron boron magnets, characterized in that, It includes the following steps: S1: Clean the surface of the NdFeB magnet; Coat an anti-oxidation coating on the surface of the cleaned NdFeB magnet through an anti-oxidation coating process; S2: Mark the magnetic poles of the NdFeB magnet after the coating treatment, and arrange and adsorb the NdFeB magnets with marked magnetic poles on the flexible magnetic conductive sheet at intervals.

2. The packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 1, wherein It also includes the following steps: S3: Set a flexible buffer carrier on the magnetic conductive sheet. The flexible buffer carrier has a plurality of accommodation grooves, and different NdFeB magnets are respectively located in different accommodation grooves of the flexible buffer carrier. The shape of the accommodation groove matches the shape of the NdFeB magnet.

3. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 2, characterized in that, It also includes the following steps: S4: Load the magnetic conductive sheet and the flexible buffer carrier with the NdFeB magnet into an encapsulation bag, encapsulate them, and stack them in a box. The six sides of the box are provided with magnetic shielding components, and flexible shock-absorbing materials are filled between the encapsulation bags and between the magnetic shielding components and the encapsulation bags; S5: Seal the box with tape, and paste an identification card on the surface of the box. The identification card records the relevant information of the NdFeB magnet in the box.

4. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 1, characterized in that: The magnetic conductive sheet in S2 is made of a magnetic conductive powder material mixed with rubber, magnetic powder and iron powder. The magnetic conductive powder material is made into an iron powder cloth by an extrusion molding device. The magnetic conductive sheet is an iron powder cloth or a magnetic film formed by magnetizing the iron powder cloth.

5. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 1, characterized in that, It also includes the following steps: Apply oil on one side of the magnetic conductive sheet so that a smooth surface layer is formed on one side of the magnetic conductive sheet, and the other side of the magnetic conductive sheet is a matte surface layer. The NdFeB magnet is used to adsorb and fix on the smooth surface layer.

6. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 2, characterized in that: The flexible buffer carrier in S3 is a foam layer. The foam layer is pasted on the magnetic conductive sheet through glue, and the accommodation groove penetrates the foam layer along the thickness direction of the foam layer.

7. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 1, characterized in that, It also includes the following steps: Use a painting device or a laser device to set a plurality of marking positions on the magnetic conductive sheet, and adsorb and position the NdFeB magnet on the marking positions on the magnetic conductive sheet.

8. A packaging method for facilitating the shipment of NdFeB magnets according to claim 5, characterized in that: The smooth surface layer is coated with silicone oil or fluorocarbon material to form a reusable anti-sticking layer.

9. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 1, characterized in that: The magnetic shielding component in S4 includes at least one of the first shielding layer, the second shielding layer, and the third shielding layer. The first shielding layer is made of at least one high magnetic permeability material such as permalloy, silicon steel sheet, and ferrite, with a thickness of 0.05 - 0.3 mm; the second shielding layer is made of at least one conductive material such as copper, aluminum, and conductive composite material, with a thickness of 0.02 - 0.2 mm; the third shielding layer is made of metamaterial or magnetostrictive material; the first shielding layer and / or the second shielding layer and / or the third shielding layer are combined by lamination, coating or blending to form a composite shielding structure covering the six sides of the foam layer.

10. A packaging method for facilitating the shipment of neodymium iron boron magnets according to claim 2, characterized in that: The flexible buffer carrier in S3 is one or a combination of pearl cotton, polyurethane foam, silicone foam, EVA, and honeycomb cardboard.

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