Neodymium-iron-boron magnetic powder mixing device

By designing a NdFeB magnetic powder mixing device that includes a mixing rod, stirring blades, and a filter screen, the problem of insufficient mixing in traditional devices has been solved, achieving full mixing of NdFeB magnetic powder and convenient feeding, thus improving product performance.

CN223683448UActive Publication Date: 2025-12-19HANGZHOU THINOVA MAGNET CO LTD
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Patent Information

Application Number
CN202423155175.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-19
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Traditional magnetic powder mixing devices often fail to mix neodymium iron boron magnetic powder sufficiently, affecting the magnetic properties and service life of the final product.

Method used

A neodymium iron boron magnetic powder mixing device was designed, including a shell, a mixing rod, a mixing component, and a rotary motor. The mixing rod rotates to drive the mixing component and auxiliary mixing components to perform multiple mixing operations. The mixing efficiency is improved by combining stirring blades and a serrated stirring tank, and impurities are prevented from entering through a filter screen.

Benefits of technology

This process ensures thorough mixing of neodymium iron boron magnetic powder, improves the mixing effect, enhances the magnetic properties and service life of the product, and facilitates feeding operations.

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Abstract

The utility model provides a neodymium-iron-boron magnetic powder mixing device, which belongs to the technical field of mixing devices, mainly aims at the problem of insufficient mixing when neodymium-iron-boron magnetic powder is mixed by an existing mixing device, and adopts the technical scheme that the neodymium-iron-boron magnetic powder mixing device comprises a shell, a mixing rod is arranged in the shell, and a plurality of groups of mixing parts are arranged on the mixing rod in a surrounding manner; the bottoms of the multiple groups of material mixing pieces are provided with the same group of material mixing sheets, the bottoms of the material mixing sheets are provided with auxiliary material mixing assemblies, the bottom of the shell is provided with a rotating motor, the top of the shell is provided with a top cover, and the top of the top cover is provided with a feeding funnel; according to the neodymium-iron-boron magnetic powder mixing device, the main shaft of the rotating motor drives the material mixing rod to rotate, the neodymium-iron-boron magnetic powder in the shell can be mixed through the material mixing piece and the material mixing piece, then the neodymium-iron-boron magnetic powder falls down under the action of gravity, secondary material mixing can be conducted on the neodymium-iron-boron magnetic powder through the arrangement of the auxiliary material mixing assembly, and the material mixing effect on the neodymium-iron-boron magnetic powder is improved; and the material mixing is more sufficient.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the mixing device technical field, more specifically, it is especially related to a neodymium iron boron magnetic powder mixing device. BACKGROUND

[0002] As one of the current frequently used permanent magnet materials, neodymium iron boron magnetic material is widely used in the fields of motor, motor, sensor, electronic product and the like, and plays an important role in driving related industries upgrading. In the manufacturing process of neodymium iron boron permanent magnet, uniform mixing of magnetic powder is one of the key links, which affects the magnetic properties and service life of the final product. The traditional magnetic powder mixing device often mixes insufficiently when mixing neodymium iron boron magnetic powder. SUMMARY

[0003] In order to solve the above technical problems, the utility model provides a kind of neodymium iron boron magnetic powder mixing device, to solve the technical problems that traditional magnetic powder mixing device often mixes insufficiently in prior art when mixing neodymium iron boron magnetic powder.

[0004] The purpose and function of the neodymium iron boron magnetic powder mixing device are achieved by the following specific technical means:

[0005] A neodymium iron boron magnetic powder mixing device, comprising a housing, a mixing rod is arranged in the housing, a plurality of mixing elements are arranged around the mixing rod, a plurality of mixing pieces are arranged at the bottom of the plurality of mixing elements, an auxiliary mixing assembly is arranged at the bottom of the mixing piece, a rotary motor is arranged at the bottom of the housing, a top cover is arranged at the top of the housing, and a feeding hopper is arranged at the top of the top cover.

[0006] According to a preferred embodiment, a connecting sleeve is arranged on the mixing rod, a plurality of connecting rods are arranged around the surface of the connecting sleeve, the auxiliary mixing assembly comprises a plurality of stirring blades and a plurality of stirring elements, a plurality of stirring elements are arranged at one end of the plurality of connecting rods, a plurality of sawtooth-shaped stirring grooves are arranged on the surface of the plurality of stirring elements, a plurality of stirring blades are arranged at one end of the plurality of stirring elements, and a plurality of connecting springs are arranged between the plurality of stirring elements and the plurality of connecting rods.

[0007] According to a preferred embodiment, a plurality of rotating columns are arranged in the plurality of stirring elements and the plurality of connecting rods, one end of a plurality of connecting springs is connected to a plurality of connecting rods, the other end of a plurality of connecting springs is connected to a plurality of stirring elements, a plurality of clamping grooves are arranged at one end of a plurality of stirring elements, a plurality of stirring blades are arranged in a plurality of clamping grooves, and one end of a plurality of connecting rods is fixedly connected to the connecting sleeve.

[0008] According to a preferred embodiment, a plurality of groups of the mixing element top portions are respectively provided with a plurality of groups of first mixing holes, a plurality of groups of mixing grooves are provided on both sides of the mixing element, and a plurality of groups of second mixing holes are provided on the surface of the mixing piece.

[0009] According to a preferred embodiment, the top cover is provided with an inlet hole at the top, a connecting column is clamped in the inlet hole, a filter screen is clamped in the connecting column, an inlet funnel is clamped in the connecting column, a switch is arranged on one side of the inlet funnel, an indicator lamp is arranged on one side of the switch, a placement groove is arranged at the top of the top cover, and a sealing plug is clamped in the placement groove.

[0010] According to a preferred embodiment, the bottom of the shell is provided with a mounting shell, the rotary motor is arranged in the mounting shell, a shaft coupling is arranged between the rotary motor and the mixing rod, and the bottom of the mounting shell is provided with a bottom shell.

[0011] According to a preferred embodiment, the bottom of the top cover is threadedly connected with the shell.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. The main shaft of the rotary motor drives the mixing rod to rotate, and the auxiliary mixing assembly, the mixing element and the mixing piece also rotate, the neodymium iron boron magnetic powder in the shell can be mixed by the mixing element and the mixing piece, then the neodymium iron boron magnetic powder falls under the action of gravity, and the auxiliary mixing assembly can mix the neodymium iron boron magnetic powder again, so that the mixing of the neodymium iron boron magnetic powder by the mixing device is more sufficient, and the mixing effect is improved.

[0014] 2. The user can clamp the inlet funnel into the connecting column, pour the neodymium iron boron magnetic powder into the inlet funnel, then the neodymium iron boron magnetic powder enters the shell through the inlet funnel, and impurities can be placed into the shell through the arrangement of the filter screen, so that the convenience of the user in feeding the neodymium iron boron magnetic powder is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure diagram of the neodymium iron boron magnetic powder mixing device.

[0016] Figure 2 It is an explosion view of the neodymium iron boron magnetic powder mixing device.

[0017] Figure 3 It is a structure diagram of the mixing element and the mixing piece in the neodymium iron boron magnetic powder mixing device.

[0018] Figure 4 It is a structure diagram of the auxiliary mixing assembly in the neodymium iron boron magnetic powder mixing device.

[0019] In the drawings, the correspondence between the component names and the reference numerals is as follows:

[0020] 10, housing; 11, top cover; 12, feeding hole; 13, connecting column; 14, filter screen; 15, feeding funnel; 16, switch; 17, indicator light; 18, sealing plug; 19, rotary motor; 20, coupling; 21, mounting shell; 22, supporting column; 23, bottom shell; 24, mixing rod; 25, mixing piece; 251, first mixing hole; 252, mixing groove; 26, mixing blade; 261, second mixing hole; 27, connecting sleeve; 28, connecting rod; 29, rotating column; 30, stirring piece; 31, sawtooth stirring groove; 32, stirring blade; 33, connecting spring. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] Example:

[0023] As shown in the accompanying Figure 1 to the accompanying Figure 4 As shown:

[0024] The utility model provides a kind of neodymium iron boron magnetic powder mixing device, including shell 10, mixing rod 24 is provided in shell 10, multiple groups of mixing piece 25 are provided around on mixing rod 24, and the same group mixing blade 26 is provided at the bottom of multiple groups of mixing piece 25, by the cooperation of mixing piece 25 and mixing blade 26, it can be mixed to the neodymium iron boron magnetic powder in shell 10, mixing blade 26 bottom is provided with auxiliary mixing assembly, auxiliary mixing assembly can be secondary mixed to neodymium iron boron magnetic powder, shell 10 bottom is provided with rotary motor 19, shell 10 bottom is provided with mounting shell 21, rotary motor 19 is arranged in mounting shell 21, coupling 20 is provided between rotary motor 19 and mixing rod 24, by the setting of coupling 20, it can make mixing rod 24 rotate with the rotation of rotary motor 19 main shaft, when rotary motor 19 starts, rotary motor 19 main shaft drives mixing rod 24 to rotate, simultaneously, mixing blade 26, mixing piece 25 and auxiliary mixing assembly rotate with mixing rod 24 and mix.

[0025] The connecting sleeve 27 is arranged on the mixing rod 24, a plurality of connecting rods 28 are arranged around the surface of the connecting sleeve 27, the auxiliary mixing assembly comprises a plurality of stirring blades 32 and a plurality of stirring pieces 30, the stirring blades 32 and the stirring pieces 30 can mix the Nd-Fe-B magnetic powder, one end of each of the plurality of connecting rods 28 is provided with a plurality of stirring pieces 30, a plurality of sawtooth-shaped stirring grooves 31 are arranged on the surface of each of the plurality of stirring pieces 30, the sawtooth-shaped stirring grooves 31 can improve the mixing efficiency of the Nd-Fe-B magnetic powder, one end of each of the plurality of stirring pieces 30 is provided with a plurality of stirring blades 32, the stirring blades 32 can mix the Nd-Fe-B magnetic powder and break the Nd-Fe-B magnetic powder into pieces, a plurality of connecting springs 33 are arranged between the plurality of stirring pieces 30 and the plurality of connecting rods 28, one end of each of the plurality of connecting springs 33 is connected with the plurality of connecting rods 28, the other end of each of the plurality of connecting springs 33 is connected with the plurality of stirring pieces 30, when the mixing rod 24 drives the mixing assembly to rotate, the connecting springs 33 are stretched due to the centrifugal force, the stirring blades 32 are opened outward, and the Nd-Fe-B magnetic powder can be mixed, a rotating column 29 is arranged in each of the plurality of stirring pieces 30 and the plurality of connecting rods 28, one end of each of the plurality of stirring pieces 30 is provided with a clamping groove, one end of each of the plurality of stirring blades 32 is clamped in the plurality of clamping grooves, and one end of each of the plurality of connecting rods 28 is fixedly connected with the connecting sleeve 27.

[0026] A plurality of first mixing holes 251 are arranged in the top of each of the plurality of mixing pieces 25, a plurality of mixing grooves 252 are arranged on both sides of each of the plurality of mixing pieces 25, the mixing grooves 252 can accelerate the mixing of the Nd-Fe-B magnetic powder, a plurality of second mixing holes 261 are arranged in the surface of each of the plurality of mixing pieces 26, and the first mixing holes 251 and the second mixing holes 261 can prevent the Nd-Fe-B magnetic powder from accumulating on the mixing pieces 25 and the mixing pieces 26 during the mixing process.

[0027] As shown in Figure 1 and Figure 2 , the top cover 11 is provided with a feeding hole 12 at the top, a connecting column 13 is clamped in the feeding hole 12, and a filter screen 14 is clamped in the connecting column 13. The filter screen 14 can prevent sundries from entering the shell 10, effectively ensuring the mixing effect. The shell 10 is provided with a top cover 11 at the top, the top cover 11 is provided with a feeding hopper 15 at the top, the feeding hopper 15 is clamped in the connecting column 13, and the user can clamp the feeding hopper 15 into the connecting column 13. Then the Nd-Fe-B magnetic powder can be poured into the feeding hopper 15, and the Nd-Fe-B magnetic powder enters the shell 10 through the connecting column 13, improving the convenience of the user's feeding operation of the Nd-Fe-B magnetic powder. The feeding hopper 15 is provided with a switch 16 on one side, the user can start the device through the switch 16, the switch 16 is provided with an indicator lamp 17 on one side, when the switch 16 is turned on, the indicator lamp 17 is lit, reminding the user that the device is working. The bottom of the mounting shell 21 is provided with a bottom shell 23, and a plurality of supporting columns 22 are arranged between the bottom shell 23 and the shell 10.

[0028] The top cover 11 is screwed to the bottom of the shell 10, and a user can screw the top cover 11 to the top of the shell 10 to connect the top cover 11 and the shell 10, so as to prevent the neodymium-iron-boron magnetic powder from flying out of the device during the mixing process; a placing groove is formed in the top of the top cover 11, and a sealing plug 18 is clamped in the placing groove; when the user finishes feeding the neodymium-iron-boron magnetic powder, the feeding funnel 15 can be pulled out of the connecting column 13, and then the sealing plug 18 is plugged into the connecting column 13, so as to prevent the neodymium-iron-boron magnetic powder from flying out of the device during the mixing process.

[0029] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A neodymium-iron-boron magnetic powder mixing device comprising a housing (10), characterized in that: A mixing rod (24) is arranged in the shell (10), a plurality of mixing elements (25) are arranged around the mixing rod (24), a plurality of mixing blades (26) are arranged at the bottom of the plurality of mixing elements (25), an auxiliary mixing assembly is arranged at the bottom of the mixing blades (26), a rotary motor (19) is arranged at the bottom of the shell (10), a top cover (11) is arranged at the top of the shell (10), and a feeding hopper (15) is arranged at the top of the top cover (11).

2. The Nd-Fe-B magnetic powder mixing device according to claim 1, characterized in that: A connecting sleeve (27) is arranged on the mixing rod (24), a plurality of connecting rods (28) are arranged around the surface of the connecting sleeve (27), the auxiliary mixing assembly comprises a plurality of stirring blades (32) and a plurality of stirring elements (30), one end of each of the plurality of connecting rods (28) is provided with a plurality of stirring elements (30), a plurality of sawtooth-shaped stirring grooves (31) are formed on the surface of each of the plurality of stirring elements (30), one end of each of the plurality of stirring elements (30) is provided with a plurality of stirring blades (32), and a plurality of connecting springs (33) are arranged between the plurality of stirring elements (30) and the plurality of connecting rods (28).

3. The NdFeB magnetic powder mixing device of claim 2, wherein: A rotating column (29) is arranged in each of the plurality of stirring elements (30) and the plurality of connecting rods (28), one end of each of the plurality of connecting springs (33) is connected with the plurality of connecting rods (28), the other end of each of the plurality of connecting springs (33) is connected with the plurality of stirring elements (30), one end of each of the plurality of stirring elements (30) is provided with a clamping groove, one end of each of the plurality of stirring blades (32) is clamped in the plurality of clamping grooves, and one end of each of the plurality of connecting rods (28) is fixedly connected with the connecting sleeve (27).

4. The NdFeB magnetic powder mixing device of claim 1, wherein: A plurality of first mixing holes (251) are formed in the top of each of the plurality of mixing elements (25), a plurality of mixing grooves (252) are formed on both sides of each of the plurality of mixing elements (25), and a plurality of second mixing holes (261) are formed in the surface of each of the plurality of mixing blades (26).

5. The neodymium iron boron magnetic powder mixing device as described in claim 1, characterized in that: A feeding hole (12) is formed in the top of the top cover (11), a connecting column (13) is clamped in the feeding hole (12), a filter screen (14) is clamped in the connecting column (13), the feeding hopper (15) is clamped in the connecting column (13), a switch (16) is arranged on one side of the feeding hopper (15), an indicator light (17) is arranged on one side of the switch (16), a placing groove is formed in the top of the top cover (11), and a sealing plug (18) is clamped in the placing groove.

6. The neodymium-iron-boron magnetic powder mixing device according to claim 1, characterized in that: An installation shell (21) is arranged at the bottom of the shell (10), the rotary motor (19) is arranged in the installation shell (21), a shaft coupling (20) is arranged between the rotary motor (19) and the mixing rod (24), a bottom shell (23) is arranged at the bottom of the installation shell (21), and a plurality of supporting columns (22) are arranged between the bottom shell (23) and the shell (10).

7. The neodymium-iron-boron magnetic powder mixing device according to claim 1, characterized in that: The bottom of the top cover (11) is threadedly connected with the shell (10).