CN112164545B - Magnetizing device for producing neodymium iron boron magnet and implementation method thereof - Google Patents

Magnetizing device for producing neodymium iron boron magnet and implementation method thereof Download PDF

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CN112164545B
CN112164545B CN202011032182.2A CN202011032182A CN112164545B CN 112164545 B CN112164545 B CN 112164545B CN 202011032182 A CN202011032182 A CN 202011032182A CN 112164545 B CN112164545 B CN 112164545B
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magnetizing
wall
fixed
fixing
box body
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CN112164545A (en
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杨红星
朱明�
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Jiangxi Yg Magnet Co ltd
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Jiangxi Yg Magnet Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B

Abstract

The invention discloses a magnetizing device for producing neodymium iron boron magnet, and simultaneously discloses an implementation method of the magnetizing device for producing the neodymium iron boron magnet, which comprises a magnetizing device and a fixing device, wherein the fixing device is arranged in an inner cavity of the magnetizing device, the outer wall of the inner lining plate of the magnetizing box body is respectively and sequentially provided with an electrified coil, an outer shell and a shielding layer, the electrified coil sleeved on the outer wall of the inner lining plate of the metal component is electrified to generate a magnetic field for magnetizing, the edge of the metal component lining plate can isolate and protect the electrified coil, and the edge can be used as the metal inner core of the electrified coil, thereby enhancing the magnetic field intensity of the electrified coil to improve the magnetizing effect of the equipment, and the shielding layer made of permalloy or iron-aluminum alloy has high magnetic permeability, can guide the magnetic field lines of an external magnetic field to pass through the shielding layer, and avoids the magnetic field lines of the external magnetic field from entering the inner side of the shielding layer to generate interference on the magnetic field of the electrified coil.

Description

Magnetizing device for producing neodymium iron boron magnet and implementation method thereof
Technical Field
The invention relates to the technical field of neodymium iron boron magnet processing equipment, in particular to a magnetizing device for neodymium iron boron magnet production and an implementation method thereof.
Background
The neodymium magnet is also called neodymium-iron-boron magnet and is made of neodymium, iron and boron (Nd)2Fe14B) The tetragonal system crystal is formed. In 1982, the neodymium magnet was discovered by a person living in the special metal of Sumitomo. The magnetic energy of this magnet is accumulated in samarium cobalt magnet, which is the largest material in the world's magnetic energy product. Later, Sumitomo successfully developed powder metallurgy and general automotive successfully developed rotary spray smelting to produce NdFeB magnets. This magnet is a permanent magnet that is second only to absolute zero holmium magnets in magnetism today and is also the most commonly used rare earth magnet. Neodymium iron boron magnets are widely used in electronic products such as hard disks, mobile phones, earphones, and battery powered tools.
The neodymium iron boron magnet needs to be magnetized after a workpiece is machined and molded, and the neodymium iron boron magnet can be used for electronic products after the magnetization is finished. However, the existing neodymium iron boron magnet magnetizing device is slow in magnetizing efficiency and poor in effect, and the production quality of the neodymium iron boron magnet and the application of electronic products are influenced; and the magnetic field of the existing magnetizing device for the neodymium iron boron magnet is easily interfered by an external magnetic field, so that the magnetizing effect of the magnetizing device for the neodymium iron boron magnet on a workpiece is not ideal.
Therefore, the magnetizing device for producing the neodymium iron boron magnet and the implementation method thereof are provided.
Disclosure of Invention
The invention aims to provide a magnetizing device for producing a neodymium iron boron magnet and an implementation method thereof, wherein an electrified coil, an outer shell and a shielding layer are respectively and sequentially arranged on the outer wall of an inner lining plate of a magnetizing box body, the electrified coil sleeved on the outer wall of the inner lining plate of a metal component is electrified to generate magnetic field magnetization, the shielding layer is utilized to shield external magnetic field interference, a magnetizing mechanism is sleeved at the tail end of a driving motor transmission shaft in the magnetizing box body, and the magnetizing mechanisms suspended on two sides of a fixing device are utilized to rotate to perform friction magnetization on a neodymium iron boron magnet workpiece in a mounting cylinder on the side wall of the fixing device, so that the problems in the background are solved.
In order to achieve the purpose, the invention provides the following technical scheme: a magnetizing device for producing a neodymium iron boron magnet comprises a magnetizing device and a fixing device, wherein the fixing device is arranged in an inner cavity of the magnetizing device, the magnetizing device comprises a base, a magnetizing box body, a protective door, an observation window, a driving motor, a magnetizing mechanism and a first sliding groove, the upper end of the base is fixedly connected with the magnetizing box body, an integrated structure is formed between the magnetizing box body and the base, the protective door is installed on the outer wall of one side of the port of the magnetizing box body through a hinge, the observation window is arranged in the middle of the side wall of the protective door, transparent toughened glass is embedded between the inner walls of the observation window, the driving motor is installed at the top end of the magnetizing box body through a fixing bolt, a transmission shaft at the output end of the bottom of the driving motor penetrates through a top plate of the magnetizing box body and extends downwards to the inside of the top plate, the end of the magnetizing mechanism is fixedly connected with the magnetizing mechanism, the magnetizing mechanism is suspended in the inner cavity of the magnetizing box body, the first sliding groove is formed in the middle of the upper end of a bottom plate of the magnetizing box body, a fixing device is movably clamped and installed in the first sliding chute;
fixing device is including supporting the chassis, T type slider, the vertical scroll, the fixed sleeve, the installation section of thick bamboo, draw-in groove and fixed establishment, the lower extreme that supports the chassis is provided with T type slider, formula structure as an organic whole between T type slider and support chassis, and support the chassis and install in the bottom plate upper end of magnetization box through the first spout block of T type slider cooperation, vertical scroll fixed connection is in the upper end middle part department on support chassis, the fixed sleeve has been cup jointed in the activity on the outer wall of vertical scroll, even interval is provided with integrative installation section of thick bamboo respectively on the fixed sleeve's the lateral wall, the draw-in groove has been seted up to the symmetry respectively on the both sides inner wall of installation section of thick bamboo, fixed establishment cooperation draw-in groove is installed in the inside of installation section of thick bamboo.
Further, the magnetization box body includes interior bushing plate, shell body, well hollow layer, circular telegram coil and shielding layer, is provided with the well hollow layer between the gap of interior bushing plate and shell body, and the inner chamber of well hollow layer is provided with circular telegram coil, and the one end of circular telegram coil runs through the shell body and extends to its outside, and extends to the outside circular telegram coil external power supply of shell body, and the shielding layer parcel sets up on the outer wall of shell body.
Furthermore, the energizing coils are respectively and uniformly wound on the outer wall of the inner lining plate, the inner lining plate is a component made of a metal material, the shielding layer is a component made of one of permalloy or iron-aluminum alloy, and the shielding layer is adhered, pressed and fixedly connected to the outer wall of the outer shell.
Further, the mechanism of magnetizing includes the shaft coupling, the screw rod, the fixed lantern ring, the fixed bolster, jib and permanent magnet, the fixed cover of one end of shaft coupling connects on the terminal outer wall of the inside driving motor transmission shaft of magnetization box, the other end of shaft coupling links to each other with the top stationary phase of screw rod, it has the fixed lantern ring to be close to the fixed cover of bottom department on the outer wall of screw rod, the symmetry is provided with the fixed bolster respectively on the both sides outer wall of the fixed lantern ring, constitute the integral type structure between fixed bolster and the fixed lantern ring, and the not stiff end bottom border punishment of fixed bolster do not fixedly connected with jib, it has the permanent magnet to close to bottom department movable sleeve respectively on the outer wall of jib.
Furthermore, the permanent magnet is movably sleeved at the bottom end of the limiting block on the outer wall of the hanging rod respectively, the fastening ring is sleeved on the outer wall of the hanging rod at the lower end of the permanent magnet in a threaded manner, the permanent magnet is supported and limited by the fastening ring, the permanent magnet is of a hollow columnar structure, and the permanent magnet is suspended outside the fixing sleeve symmetrically through the hanging rod.
Further, the mounting groove has been seted up to the border punishment of fixed sleeve's top port both sides do not symmetry, and connecting spring is installed respectively to the bottom plate upper end of mounting groove, the equal fixedly connected with movable block in upper end of connecting spring, interference fit between the inner wall of movable block and mounting groove, and the upper end of movable block is fixedly connected with connecting rod respectively, and the top of connecting rod is fixed connection in the bottom both sides of end cover respectively.
Furthermore, the end cover is of a circular truncated cone-shaped structure, a limiting hole is formed in the middle of the upper end of the end cover, the size of the limiting hole is matched with the diameter of the screw, and the end cover is movably sleeved on the outer wall of the lower end of the screw through the limiting hole.
Further, fixed establishment includes fixed disk, second spout, fixed slider and arc splint, and the fixed disk activity cup joints in the inside of installation section of thick bamboo, and the both ends border department of fixed disk one side outer wall has seted up the second spout respectively the symmetry, and the inner chamber of second spout is movable block respectively and is installed fixed slider, and fixed slider links to each other with one side outer wall of arc splint is fixed respectively.
Furthermore, the outer wall of the middle part of the convex surface of the arc-shaped clamping plate is respectively provided with a fixed block, the fixed block and the arc-shaped clamping plate are of an integrated structure, the fixed block is matched with the clamping groove, the outer wall of one side, away from the arc-shaped clamping plate, of the fixed block is provided with a cavity, the inner wall of one side, corresponding to the port part, of the cavity is respectively and uniformly provided with a fixed spring, and one end, close to the port part of the cavity, of the fixed spring is fixedly connected with a movable baffle.
The invention provides another technical scheme that: an implementation method of a magnetizing device for producing a neodymium iron boron magnet comprises the following steps:
s1: opening a protective door of the magnetizing box body, pressing the end cover at the top of the fixed sleeve downwards by hands, and compressing a connecting spring at the upper end of the bottom plate of the mounting groove by using a connecting rod at the lower end of the end cover so as to separate a limiting hole at the top of the end cover from the outer wall at the lower end of the screw rod;
s2: sliding the fixed sleeve to the edge of the port of the magnetization box body in a first sliding groove at the upper end of a bottom plate of the magnetization box body through a T-shaped sliding block at the bottom of the fixed sleeve, and taking down the fixed mechanism on the outer wall of the fixed sleeve;
s3: clamping and placing the neodymium iron boron magnet workpiece between arc-shaped clamping plates of a fixing mechanism, sleeving the fixing mechanism in the installation cylinder, fixing the neodymium iron boron magnet workpiece in an inner cavity of the installation cylinder by utilizing a fixing block, a fixing spring, a movable baffle plate and an arc-shaped clamping plate to match with a clamping groove, and exposing part of the neodymium iron boron magnet workpiece out of a port of the installation cylinder;
s4: rotating the fixing sleeve and installing and fixing the neodymium iron boron magnet workpiece in the installing cylinder on the outer wall of the fixing sleeve according to the step S3, pushing the fixing sleeve to reset after the neodymium iron boron magnet workpiece is fixed, pressing the end cover at the top of the fixing sleeve, and sleeving the limiting hole at the top of the end cover on the outer wall of the lower end of the screw again;
s5: after the protective door of the magnetizing box body is closed, a power supply of an electrified coil inside the magnetizing box body is communicated, a driving motor at the top of the magnetizing box body is started, the electrified coil is electrified to generate a magnetic field to magnetize the neodymium iron boron magnet workpiece inside the mounting cylinder, meanwhile, the driving motor drives the magnetizing mechanism to rotate, and the outer wall of the neodymium iron boron magnet workpiece inside the permanent magnet fitting mounting cylinder is rotated, frictionally contacted and magnetized.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides a magnetizing device for producing a neodymium iron boron magnet and an implementation method thereof.A live coil, an outer shell and a shielding layer are respectively and sequentially arranged on the outer wall of an inner lining plate of a magnetizing box body, the live coil sleeved on the outer wall of the inner lining plate of a metal component is used for electrifying to generate a magnetic field for magnetizing, the edge of the inner lining plate of the metal component is used for isolating and protecting the live coil and is used as a metal inner core of the live coil, the magnetic field intensity of the live coil is enhanced to improve the magnetizing effect of equipment, and the shielding layer made of permalloy or ferro-aluminum alloy has high magnetic permeability and can guide the magnetic field lines of an external magnetic field to pass through the shielding layer, so that the magnetic field lines of the external magnetic field are prevented from entering the inner side of the shielding layer to generate interference on the magnetic field of the live coil.
2. The invention provides a magnetizing device for producing a neodymium iron boron magnet and an implementation method thereof.A magnetizing mechanism is sleeved at the tail end of a transmission shaft of a driving motor in a magnetizing box body, permanent magnets are respectively suspended at two sides of a fixing device by utilizing the matching of a coupler, a screw rod, a fixed lantern ring, a fixed support and a suspender, and the driving motor drives the permanent magnets on the outer wall of the suspender to synchronously rub and magnetize a neodymium iron boron magnet workpiece arranged in a cylinder arranged on the side wall of the fixed sleeve, so that the magnetizing effect on the neodymium iron boron magnet workpiece is enhanced, and the magnetizing efficiency is improved.
3. According to the magnetizing device for producing the neodymium iron boron magnet and the implementation method thereof, the installation cylinders are uniformly arranged on the side wall of the fixed sleeve, the clamping grooves are formed in the installation cylinders, the arc-shaped clamping plates are movably clamped in the inner cavities of the installation cylinders among the clamping grooves through the fixed disc, the second sliding groove, the fixed sliding block, the fixed spring and the movable baffle, the arc-shaped clamping plates are pushed by the relaxation force of the fixed spring to fix the neodymium iron boron magnet workpiece in the inner cavities of the installation cylinders, the neodymium iron boron magnet workpiece is convenient to take and place, and the magnetizing device is convenient and practical.
Drawings
Fig. 1 is a schematic overall structure diagram of a magnetizing apparatus for producing neodymium iron boron magnet according to the present invention;
FIG. 2 is a diagram showing an opened state of a protection door of a magnetizing box of the magnetizing apparatus for producing NdFeB magnet according to the present invention;
FIG. 3 is a schematic structural view of a magnetizing apparatus of the magnetizing apparatus for producing NdFeB magnets according to the present invention;
FIG. 4 is a sectional view of a part of a magnetizing box of the magnetizing apparatus for producing NdFeB magnet according to the present invention;
FIG. 5 is a schematic structural view of a magnetizing mechanism of the magnetizing device for producing neodymium iron boron magnet according to the present invention;
FIG. 6 is a schematic structural view of a fixing device of the magnetizing device for producing NdFeB magnets of the present invention;
FIG. 7 is an enlarged view of the fixing device A of the magnetizing device for producing NdFeB magnet according to the present invention;
FIG. 8 is a sectional view of a fixing device of the magnetizing device for producing NdFeB magnet according to the present invention;
fig. 9 is a schematic perspective view of a fixing mechanism of the magnetizing apparatus for producing neodymium iron boron magnet according to the present invention;
fig. 10 is a sectional view of a fixing mechanism of the magnetizing apparatus for producing neodymium iron boron magnet according to the present invention.
In the figure: 1. a magnetizing device; 11. a base; 12. magnetizing the box body; 121. an inner liner plate; 122. an outer housing; 123. a hollow layer; 124. an electrified coil; 125. a shielding layer; 13. a protective door; 14. an observation window; 15. a drive motor; 16. a magnetizing mechanism; 161. a coupling; 162. a screw; 163. a fixed collar; 164. fixing a bracket; 165. a boom; 166. a permanent magnet; 17. a first chute; 2. a fixing device; 21. a support chassis; 22. a T-shaped slider; 23. a vertical shaft; 24. fixing the sleeve; 25. mounting the cylinder; 26. a card slot; 27. a fixing mechanism; 271. fixing the disc; 272. a second chute; 273. fixing the sliding block; 274. an arc-shaped splint; 275. a fixed block; 276. a cavity; 277. fixing the spring; 278. a movable baffle; 28. mounting grooves; 29. a connecting spring; 210. a movable block; 211. a connecting rod; 212. an end cap; 213. and a limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a magnetizing apparatus for producing a neodymium iron boron magnet comprises a magnetizing apparatus 1 and a fixing apparatus 2, the fixing apparatus 2 is disposed in an inner cavity of the magnetizing apparatus 1, the magnetizing apparatus 1 comprises a base 11, a magnetizing box 12, a protective door 13, an observation window 14, a driving motor 15, a magnetizing mechanism 16 and a first sliding chute 17, the magnetizing box 12 is fixedly connected to an upper end of the base 11, the magnetizing box 12 and the base 11 form an integrated structure, the protective door 13 is mounted on an outer wall of one side of a port of the magnetizing box 12 through a hinge, the observation window 14 is disposed in a middle portion of a side wall of the protective door 13, transparent tempered glass is embedded between inner walls of the observation window 14, the driving motor 15 is mounted on a top end of the magnetizing box 12 through a fixing bolt, and a transmission shaft at an output end of a bottom of the driving motor 15 penetrates through a top plate of the magnetizing box 12 and extends downward into the magnetizing box, and the end is fixedly connected with the magnetizing mechanism 16, the magnetizing mechanism 16 is suspended in the inner cavity of the magnetizing box body 12, the middle part of the upper end of the bottom plate of the magnetizing box body 12 is provided with a first sliding groove 17, and the fixing device 2 is movably clamped in the first sliding groove 17.
Referring to fig. 4, a magnetizing apparatus for producing an ndfeb magnet includes a magnetizing box 12 including an inner lining plate 121, an outer casing 122, a hollow layer 123, an energizing coil 124 and a shielding layer 125, the hollow layer 123 is disposed between a gap between the inner lining plate 121 and the outer casing 122, the energizing coil 124 is disposed in an inner cavity of the hollow layer 123, one end of the energizing coil 124 penetrates through the outer casing 122 and extends to the outside of the outer casing, the energizing coil 124 extending to the outside of the outer casing 122 is externally connected to a power supply, and the shielding layer 125 is disposed on an outer wall of the outer casing 122 in a wrapping manner.
The energizing coils 124 are respectively and uniformly wound on the outer wall of the inner lining plate 121, the inner lining plate 121 is a member made of a metal material, the shielding layer 125 is a member made of one of permalloy or iron-aluminum alloy, the shielding layer 125 is adhered, pressed and fixedly connected to the outer wall of the outer shell 122, the energizing coils 124 sleeved on the outer wall of the inner lining plate 121 of the metal member are energized to generate a magnetic field for magnetization, the metal member lining plate 121 serves as a metal inner core of the energizing coil 124 while isolating and protecting the energizing coil 124, so that the magnetic field strength of the energizing coil 124 is enhanced to improve the magnetizing effect of the device, the shielding layer 125 made of permalloy or iron-aluminum alloy has high magnetic permeability, and can guide the magnetic field lines of the external magnetic field to pass through the shielding layer 125, so that the magnetic field lines of the external magnetic field are prevented from entering the shielding layer 125 to generate interference on the magnetic field of the energized coil 124.
Referring to fig. 2 and 5, a magnetizing device for producing a neodymium iron boron magnet, wherein the magnetizing mechanism 16 includes a coupler 161, a screw 162, a fixed collar 163, a fixed bracket 164, a suspension rod 165 and a permanent magnet 166, one end of the coupler 161 is fixedly sleeved on an outer wall of a transmission shaft of a driving motor 15 inside a magnetizing box 12, the other end of the coupler 161 is fixedly connected with a top end of the screw 162, the outer wall of the screw 162 near the bottom is fixedly sleeved with the fixed collar 163, the outer walls of two sides of the fixed collar 163 are respectively and symmetrically provided with the fixed bracket 164, the fixed bracket 164 and the fixed collar 163 form an integrated structure, the bottom edge of the non-fixed end of the fixed bracket 164 is respectively and fixedly connected with the suspension rod 165, the outer wall of the suspension rod 165 near the bottom is respectively and movably sleeved with the permanent magnet 166, the permanent magnet 166 is respectively and movably sleeved on a bottom end of a limit block on the outer wall of the suspension rod 165, the fastening ring is sleeved on the outer wall of the hanging rod 165 at the lower end of the permanent magnet 166 in a threaded manner, the fastening ring supports and limits the permanent magnet 166, the permanent magnet 166 is of a hollow columnar structure, the permanent magnet 166 is symmetrically suspended outside the fixed sleeve 24 through the hanging rod 165, the driving motor 15 drives the permanent magnet 166 on the outer wall of the hanging rod 165 to rub and magnetize the neodymium iron boron magnet workpiece in the installation barrel 25 on the side wall of the fixed sleeve 24, the magnetizing effect on the neodymium iron boron magnet workpiece is enhanced, and the magnetizing efficiency is improved.
Referring to fig. 6-8, a magnetizing apparatus for producing a neodymium iron boron magnet, the fixing apparatus 2 includes a supporting chassis 21, a T-shaped slider 22, a vertical shaft 23, a fixing sleeve 24, an installation cylinder 25, a clamping groove 26 and a fixing mechanism 27, the T-shaped slider 22 is disposed at the lower end of the supporting chassis 21, the T-shaped slider 22 and the supporting chassis 21 are of an integrated structure, the supporting chassis 21 is clamped and installed at the upper end of the bottom plate of the magnetizing box 12 by the T-shaped slider 22 matching with the first sliding groove 17, the vertical shaft 23 is fixedly connected to the middle portion of the upper end of the supporting chassis 21, the fixing sleeve 24 is movably sleeved on the outer wall of the vertical shaft 23, the installation cylinders 25 are uniformly spaced on the side walls of the fixing sleeve 24, the clamping grooves 26 are symmetrically disposed on the inner walls of the two sides of the installation cylinder 25, and the fixing mechanism 27 matching with the clamping grooves 26 is installed inside the installation cylinder 25.
Mounting groove 28 has been seted up to the border punishment of fixed sleeve 24's top port both sides symmetry respectively, coupling spring 29 is installed respectively to the bottom plate upper end of mounting groove 28, the equal fixedly connected with movable block 210 in upper end of coupling spring 29, interference fit between the inner wall of movable block 210 and mounting groove 28, and the upper end of movable block 210 is fixedly connected with connecting rod 211 respectively, the top of connecting rod 211 is fixed connection respectively in the bottom both sides of end cover 212, end cover 212 is round platform column structure, and end cover 212's upper end middle part department has seted up spacing hole 213, the size of spacing hole 213 and the diameter size phase-match of screw rod 162, end cover 212 cup joints on the outer wall of screw rod 162 lower extreme through spacing hole 213 activity.
Referring to fig. 6, 9 and 10, a magnetizing apparatus for producing a neodymium iron boron magnet, the fixing mechanism 27 includes a fixed plate 271, a second sliding groove 272, a fixed sliding block 273 and an arc-shaped clamping plate 274, the fixed plate 271 is movably sleeved inside the mounting cylinder 25, the edges of two ends of the outer wall of one side of the fixed plate 271 are respectively and symmetrically provided with the second sliding groove 272, the inner cavity of the second sliding groove 272 is respectively and movably clamped with the fixed sliding block 273, the fixed sliding blocks 273 are respectively and fixedly connected with the outer wall of one side of the arc-shaped clamping plate 274, the outer wall of the middle part of the convex surface of the arc-shaped clamping plate 274 is respectively provided with the fixed block 275, the fixed block 275 and the arc-shaped clamping plate 274 are of an integrated structure, the fixed block 275 is matched with the clamping groove 26, the outer wall of one side of the fixed block 275 far away from the arc-shaped clamping plate 274 is provided with a cavity 276, the inner wall of one side of the cavity 276 corresponding to the port is respectively and the fixed spring 277 is fixedly connected with the movable baffle 278 near the port of the cavity 276, arc splint 274 is through the movable block of fixed disk 271, second spout 272, fixed slider 273, fixed block 275, fixed spring 277 and adjustable fender 278 activity in the installation section of thick bamboo 25 inner chamber between draw-in groove 26, utilizes fixed spring 277's relaxation power to push the fixed neodymium iron boron magnet work piece of arc splint 274 in installation section of thick bamboo 25 inner chamber, makes things convenient for getting of neodymium iron boron magnet work piece to put, convenient and practical.
In order to better show the magnetizing apparatus for producing the iron boron magnet, the embodiment now provides an implementation method of the magnetizing apparatus for producing the neodymium iron boron magnet, which includes the following steps:
the method comprises the following steps: the protective door 13 of the magnetizing box body 12 is opened, the end cover 212 at the top of the fixed sleeve 24 is pressed downwards by hand, the connecting rod 211 at the lower end of the end cover 212 compresses the connecting spring 29 at the upper end of the bottom plate of the mounting groove 28, and the limiting hole 213 at the top of the end cover 212 is separated from the outer wall at the lower end of the screw 162;
step two: sliding a fixed sleeve 24 to the edge of a port of the magnetizing box body 12 in a first sliding groove 17 at the upper end of a bottom plate of the magnetizing box body 12 through a T-shaped sliding block 22 at the bottom of the fixed sleeve 24, and taking down a fixing mechanism 27 on the outer wall of the fixed sleeve 24;
step three: clamping the neodymium iron boron magnet workpiece between arc-shaped clamping plates 274 of the fixing mechanism 27, sleeving the fixing mechanism 27 in the mounting cylinder 25, fixing the neodymium iron boron magnet workpiece in the inner cavity of the mounting cylinder 25 by utilizing the fixing block 275, the fixed spring 277, the movable baffle 278 and the arc-shaped clamping plates 274 to be matched with the clamping groove 26, and exposing part of the neodymium iron boron magnet workpiece out of the port of the mounting cylinder 25;
step four: rotating the fixing sleeve 24 and installing and fixing the neodymium iron boron magnet workpiece in the installation cylinder 25 on the outer wall of the fixing sleeve 24 according to the third step, pushing the fixing sleeve 24 to reset after fixing the neodymium iron boron magnet workpiece, pressing the end cover 212 at the top of the fixing sleeve 24, and sleeving the limiting hole 213 at the top of the end cover 212 on the outer wall of the lower end of the screw 162 again;
step five: after the protective door 13 of the magnetizing box 12 is closed, the power supply of the electrified coil 124 inside the magnetizing box 12 is connected, the driving motor 15 at the top of the magnetizing box 12 is started, the electrified coil 124 is electrified to generate a magnetic field to magnetize the neodymium iron boron magnet workpiece inside the mounting tube 25, meanwhile, the driving motor 15 drives the magnetizing mechanism 16 to rotate, and the permanent magnet 166 is attached to the outer wall of the neodymium iron boron magnet workpiece inside the mounting tube 25 to be rotated, frictionally contacted and magnetized.
In summary, the following steps: the invention provides a magnetizing device for producing neodymium iron boron magnet and an implementation method thereof, wherein an energizing coil 124, an outer shell 122 and a shielding layer 125 are respectively and sequentially arranged on the outer wall of an inner lining plate 121 of a magnetizing box body 12, the energizing coil 124 sleeved on the outer wall of the inner lining plate 121 of a metal member is utilized to energize to generate magnetic field for magnetizing, the inner lining plate 121 of the metal member can isolate and protect the energizing coil 124 and can serve as a metal inner core of the energizing coil 124, the magnetic field intensity of the energizing coil 124 is enhanced to improve the magnetizing effect of equipment, the permeability of the shielding layer 125 made of permalloy or iron-aluminum alloy is high, magnetic field lines of external magnetic field can be guided to pass through the inner part of the shielding layer 125, and the magnetic field lines of the external magnetic field are prevented from entering the inner side of the shielding layer 125 to generate interference on the magnetic field of the energizing coil 124; the tail end of a transmission shaft of a driving motor 15 in the magnetizing box body 12 is sleeved with a magnetizing mechanism 16, permanent magnets 166 are respectively suspended at two sides of the fixing device 2 by utilizing the matching of a coupler 161, a screw 162, a fixed sleeve ring 163, a fixed support 164 and a suspender 165, the driving motor 15 drives the permanent magnets 166 on the outer wall of the suspender 165 to synchronously rub and magnetize the neodymium iron boron magnet workpiece in the mounting cylinder 25 on the side wall of the fixed sleeve 24, the magnetizing effect of the neodymium iron boron magnet workpiece is enhanced, and the magnetizing efficiency is improved; evenly set up installation section of thick bamboo 25 on the lateral wall of fixed sleeve 24 to set up draw-in groove 26 at installation section of thick bamboo 25, arc splint 274 passes through fixed disk 271, second spout 272, fixed slider 273, fixed block 275, fixed spring 277 and activity baffle 278 activity block in the installation section of thick bamboo 25 inner chamber between draw-in groove 26, utilizes fixed spring 277's relaxation force to promote the fixed neodymium iron boron magnet work piece of arc splint 274 in installation section of thick bamboo 25 inner chamber, makes things convenient for getting of neodymium iron boron magnet work piece to put, convenient and practical.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a neodymium iron boron magnetism body production is with magnetization device, includes magnetization unit (1) and fixing device (2), and fixing device (2) set up in the inner chamber of magnetization unit (1), its characterized in that: the magnetizing device (1) comprises a base (11), a magnetizing box body (12), a protective door (13), an observation window (14), a driving motor (15), a magnetizing mechanism (16) and a first sliding groove (17), wherein the upper end of the base (11) is fixedly connected with the magnetizing box body (12), the magnetizing box body (12) and the base (11) form an integrated structure, the protective door (13) is installed on the outer wall of one side of the port of the magnetizing box body (12) through a hinge, the observation window (14) is arranged in the middle of the side wall of the protective door (13), transparent toughened glass is embedded between the inner walls of the observation window (14), the driving motor (15) is installed at the top end of the magnetizing box body (12) through a fixing bolt, a transmission shaft at the output end of the bottom of the driving motor (15) penetrates through a top plate of the magnetizing box body (12) and extends downwards to the inside of the magnetizing box body, and the tail end of the magnetizing mechanism (16) is fixedly connected with the magnetizing mechanism, the magnetizing mechanism (16) is suspended in the inner cavity of the magnetizing box body (12), a first sliding groove (17) is formed in the middle of the upper end of the bottom plate of the magnetizing box body (12), and the fixing device (2) is movably clamped and installed in the first sliding groove (17);
the fixing device (2) comprises a supporting chassis (21), a T-shaped sliding block (22), a vertical shaft (23), a fixing sleeve (24), an installation cylinder (25), a clamping groove (26) and a fixing mechanism (27), the T-shaped sliding block (22) is arranged at the lower end of the supporting chassis (21), the T-shaped sliding block (22) and the supporting chassis (21) are of an integrated structure, the support chassis (21) is clamped and installed at the upper end of the bottom plate of the magnetization box body (12) through a T-shaped sliding block (22) in cooperation with a first sliding groove (17), a vertical shaft (23) is fixedly connected to the middle of the upper end of the support chassis (21), a fixing sleeve (24) is movably sleeved on the outer wall of the vertical shaft (23), integrated installation cylinders (25) are respectively and uniformly arranged on the side walls of the fixing sleeve (24) at intervals, clamping grooves (26) are respectively and symmetrically formed in the inner walls of the two sides of the installation cylinders (25), and a fixing mechanism (27) is installed inside the installation cylinders (25) in cooperation with the clamping grooves (26);
the magnetizing box body (12) comprises an inner lining plate (121), an outer shell (122), a hollow layer (123), an electrified coil (124) and a shielding layer (125), the hollow layer (123) is arranged between a gap between the inner lining plate (121) and the outer shell (122), the inner cavity of the hollow layer (123) is provided with the electrified coil (124), one end of the electrified coil (124) penetrates through the outer shell (122) and extends to the outside of the outer shell, the electrified coil (124) extending to the outside of the outer shell (122) is externally connected with a power supply, and the shielding layer (125) is wrapped on the outer wall of the outer shell (122);
the electrified coils (124) are respectively and uniformly wound on the outer wall of the inner lining plate (121), the inner lining plate (121) is a component made of a metal material, the shielding layer (125) is a component made of one of permalloy or iron-aluminum alloy, and the shielding layer (125) is adhered, pressed and fixedly connected to the outer wall of the outer shell (122);
the magnetizing mechanism (16) comprises a coupler (161), a screw (162), a fixed sleeve ring (163), a fixed support (164), a hanging rod (165) and a permanent magnet (166), one end of the coupler (161) is fixedly sleeved on the outer wall of the tail end of a transmission shaft of a driving motor (15) in the magnetizing box body (12), the other end of the coupler (161) is fixedly connected with the top end of the screw (162), the fixed sleeve ring (163) is fixedly sleeved on the outer wall of the screw (162) close to the bottom, the fixed supports (164) are symmetrically arranged on the outer walls of the two sides of the fixed sleeve ring (163) respectively, an integrated structure is formed between the fixed support (164) and the fixed sleeve ring (163), the hanging rod (165) is fixedly connected to the edge of the bottom of the non-fixed end of the fixed support (164) respectively, and the permanent magnet (166) is movably sleeved on the outer wall of the hanging rod (165) close to the bottom respectively;
the permanent magnets (166) are movably sleeved at the bottom ends of the limiting blocks on the outer wall of the hanging rod (165) respectively, fastening rings are sleeved on the outer wall of the hanging rod (165) at the lower ends of the permanent magnets (166) in a threaded manner and used for supporting and limiting the permanent magnets (166), the permanent magnets (166) are of hollow columnar structures, and the permanent magnets (166) are symmetrically suspended outside the fixed sleeve (24) through the hanging rod (165);
the fixing mechanism (27) comprises a fixed disc (271), a second sliding groove (272), a fixing sliding block (273) and an arc-shaped clamping plate (274), the fixed disc (271) is movably sleeved inside the mounting cylinder (25), the edges of two ends of the outer wall of one side of the fixed disc (271) are respectively and symmetrically provided with the second sliding groove (272), the inner cavity of the second sliding groove (272) is respectively and movably clamped with the fixing sliding block (273), and the fixing sliding block (273) is respectively and fixedly connected with the outer wall of one side of the arc-shaped clamping plate (274);
be provided with fixed block (275) on the convex surface middle part department outer wall of arc splint (274) respectively, formula structure as an organic whole between fixed block (275) and arc splint (274), phase-match between fixed block (275) and draw-in groove (26), and seted up cavity (276) on fixed block (275) keep away from the outer wall of arc splint (274) one side, evenly be provided with fixed spring (277) on the one side inner wall that cavity (276) correspond the port department respectively, one end fixed connection adjustable fender (278) that fixed spring (277) are close to cavity (276) port department.
2. The magnetizing device for producing the neodymium iron boron magnet according to claim 1, characterized in that: mounting groove (28) have been seted up to the border department of the top port both sides of fixed sleeve (24) symmetry respectively, coupling spring (29) are installed respectively to the bottom plate upper end of mounting groove (28), the equal fixedly connected with movable block (210) in upper end of coupling spring (29), interference fit between the inner wall of movable block (210) and mounting groove (28), and the upper end difference fixedly connected with connecting rod (211) of movable block (210), the top difference fixed connection of connecting rod (211) is in the bottom both sides of end cover (212).
3. The magnetizing device for producing the neodymium iron boron magnet as claimed in claim 2, wherein: the end cover (212) is of a circular truncated cone-shaped structure, a limiting hole (213) is formed in the middle of the upper end of the end cover (212), the size of the limiting hole (213) is matched with the diameter of the screw rod (162), and the end cover (212) is movably sleeved on the outer wall of the lower end of the screw rod (162) through the limiting hole (213).
4. An implementation method of the magnetizing device for producing the neodymium iron boron magnet according to claim 3 comprises the following steps:
s1: opening a protective door (13) of the magnetizing box body (12), pressing an end cover (212) at the top of the fixed sleeve (24) downwards by hands, and compressing a connecting spring (29) at the upper end of a bottom plate of the mounting groove (28) by using a connecting rod (211) at the lower end of the end cover (212) to separate a limiting hole (213) at the top of the end cover (212) from the outer wall at the lower end of the screw (162);
s2: sliding a fixed sleeve (24) to the edge of a port of a magnetizing box body (12) in a first sliding groove (17) at the upper end of a bottom plate of the magnetizing box body (12) through a T-shaped sliding block (22) at the bottom of the fixed sleeve (24), and taking down a fixed mechanism (27) on the outer wall of the fixed sleeve (24);
s3: the neodymium iron boron magnet workpiece is clamped and placed between arc-shaped clamping plates (274) of a fixing mechanism (27), the fixing mechanism (27) is sleeved in an installation cylinder (25), the neodymium iron boron magnet workpiece is fixed in an inner cavity of the installation cylinder (25) by utilizing a fixing block (275), a fixing spring (277), a movable baffle (278) and the arc-shaped clamping plates (274) to be matched with clamping grooves (26), and part of the neodymium iron boron magnet workpiece is exposed out of a port of the installation cylinder (25);
s4: rotating the fixing sleeve (24) and installing and fixing the NdFeB magnet workpiece in the installing cylinder (25) on the outer wall of the fixing sleeve (24) according to the step S3, pushing the fixing sleeve (24) to reset after the NdFeB magnet workpiece is fixed, pressing the end cover (212) at the top of the fixing sleeve (24), and sleeving the limiting hole (213) at the top of the end cover (212) on the outer wall of the lower end of the screw (162) again;
s5: after the protective door (13) of the magnetizing box body (12) is closed, the power supply of the electrified coil (124) inside the magnetizing box body (12) is communicated, the driving motor (15) at the top of the magnetizing box body (12) is started, the electrified coil (124) is electrified to generate a magnetic field to magnetize the neodymium iron boron magnet workpiece inside the mounting cylinder (25), meanwhile, the driving motor (15) drives the magnetizing mechanism (16) to rotate, and the permanent magnet (166) is attached to the outer wall of the neodymium iron boron magnet workpiece inside the mounting cylinder (25) to be rotated, frictionally contacted and magnetized.
CN202011032182.2A 2020-09-27 2020-09-27 Magnetizing device for producing neodymium iron boron magnet and implementation method thereof Active CN112164545B (en)

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