CN220873340U - Parallel U-shaped iron core is last tiling neodymium iron boron magnetic steel and takes air gap to lead magnet formula magnetic disk - Google Patents
Parallel U-shaped iron core is last tiling neodymium iron boron magnetic steel and takes air gap to lead magnet formula magnetic disk Download PDFInfo
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- CN220873340U CN220873340U CN202320137192.5U CN202320137192U CN220873340U CN 220873340 U CN220873340 U CN 220873340U CN 202320137192 U CN202320137192 U CN 202320137192U CN 220873340 U CN220873340 U CN 220873340U
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- shaped iron
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 28
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims description 13
- 230000002427 irreversible effect Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 241001424392 Lucia limbaria Species 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The parallel U-shaped iron cores are flatly paved with neodymium iron boron magnetic steel and the N.S main magnetic pole magnetic conduction plates with fixed polarity of the magnetic disk panel of the air gap magnetic conduction type magnetic disk, the transition magnetic pole strip magnetic conduction plates without fixed polarity are arranged between the N.S main magnetic pole magnetic conduction plates, and the neodymium iron boron magnetic steel sheets are respectively and vertically inserted between all the magnetic conduction plates to form a dense magnetic type uniform magnetic field magnetic circuit, so that the passing height of magnetic force lines of the magnetic disk is obviously reduced, and the magnetic disk is suitable for positioning and processing of thin precise parts. Meanwhile, neodymium iron boron plane magnetic steel and a high-band air gap magnet conductor with the same height as the plane of the magnetic steel are horizontally laid on a magnetic source parallel U-shaped iron core of the magnetic disk, so that magnetic force lines in the vertical direction are formed, and the combined magnetic force of the permanent magnets is enhanced. Under the condition of power failure of a magnetic disk, the magnetic disk is completely positioned by the permanent magnetic force generated by magnetic steel without temperature rise; different from the traditional electric control permanent magnetic disk, the electric control permanent magnetic disk is that: it can also continuously pass forward current to make electromagnetic magnetic force lines and permanent magnetic force lines mutually extrude, and can make magnetic disk produce super strong synthetic magnetic force when not large current is passed.
Description
Technical Field
The utility model relates to a parallel U-shaped iron core, which is paved with neodymium iron boron magnetic steel and a magnetic conducting type magnetic disk with an air gap, and is used as a magnetic tool for positioning and fixing in the mechanical manufacturing industry.
Background
The traditional electric control magnetic force fixing device or magnetic disk is divided into two types, one type is a common electric magnetic disk, the other type is an electric control permanent magnetic disk, and the defects are that:
1. The common electric magnetic disk is required to be continuously electrified in a working state, the temperature rise is continuous, the temperature rise of each part of the magnetic disk is quite different, uneven thermal deformation is caused, and the positioning and processing precision of the magnetic disk is affected.
2. The common electric control permanent magnet disc has poor capability of penetrating air gaps by magnetic force, and is not suitable for rough machining and strong cutting operation.
Disclosure of Invention
The utility model firstly improves the magnetic pole density and magnetic force uniformity of the magnetic disk by adding a strip-shaped transition magnetic pole magnetic conduction plate without fixed polarity into a magnetic disk permanent magnetic circuit component; secondly, the magnetic disk electromagnetic circuit component is continuously electrified with forward maintaining current, so that magnetic force lines of permanent magnet of the magnetic disk and electromagnetic force lines of the magnetic disk are mutually extruded, and the magnetic force of the magnetic disk combination rises to a super strong state; thirdly, the electromagnetic component is powered off, magnetic lines of force of the neodymium iron boron magnetic steel in the permanent magnetic component are overlapped with magnetic lines of force of the neodymium iron boron magnetic steel in the magnetic isolation layer, which are paved below the strip-shaped magnetic conduction plate with fixed polarity of the permanent magnetic component, and are gathered on a workpiece to be held, so that a permanent magnetic force with medium strength can be formed; fourthly, the electromagnetic component is continuously electrified with constant reverse small current, so that the reverse current passes through a plurality of groups of thin plate transition magnetic poles and a plurality of groups of homodromous neodymium iron boron magnetic steels to form electromagnetic magnetic lines and permanent magnetic lines which are internally closed, and the magnetic disk is in a demagnetizing state; and fifthly, the electromagnetic component is continuously electrified with constant forward and reverse currents, and the magnetizing and demagnetizing currents pass through the air-gap conductive magnet in the magnetic isolation layer, so that high-efficiency electromagnetic magnetizing or demagnetizing effects can be generated.
The utility model is realized by the following technical scheme: the magnetic isolation layer comprises a permanent magnetic circuit component, an electromagnetic circuit component and a magnetic isolation layer between the permanent magnetic circuit component and the electromagnetic circuit component.
The permanent magnetic circuit component, namely the disk panel, consists of a strip-shaped outer magnetic conduction plate with fixed polarity, a strip-shaped transition magnetic pole magnetic conduction plate without fixed polarity and a pole irreversible change NdFeB magnetic steel clamped between the magnetic conduction plates, wherein the magnetic steel is arranged in the same magnetic pole direction to form a permanent magnetic field with a constant short magnetic circuit. The electromagnetic circuit component consists of an exciting coil and a parallel U-shaped iron core. A magnetic isolation layer is arranged between the two parts and consists of parallel U-shaped iron cores, horizontally paved neodymium iron boron magnetic steel and magnetic iron with an air gap.
The power-off and forward and backward current control of the exciting coil current of the electromagnetic circuit component form the middle and strong magnetic force generated by superposition of a plurality of groups of permanent magnetic circuits; the electromagnetic force lines generated by the ultra-strong magnetic force and the reverse current generated by the electromagnetic and permanent magnets and the closed demagnetizing state in the plurality of groups of series-connected NdFeB magnetic force lines.
The first is a middle-strong magnetic force working state without temperature rise of the permanent magnetic force, at the moment, the exciting coil is powered off, a plurality of groups of permanent magnetic force lines are overlapped in the workpiece, and the middle-strong magnetic force working state with pure permanent magnetic force action and without temperature rise is realized.
The second is a super-strong magnetic force working state in which electromagnetic magnetic force lines and a plurality of groups of permanent magnetic force lines are always overlapped in the workpiece, at the moment, the exciting coil is electrified with forward current, and the directions of the plurality of groups of permanent magnetic force lines and the electromagnetic magnetic force lines are all consistent and are all overlapped in the workpiece, so that the super-strong magnetic force working state with temperature rise is realized.
The third is the demagnetizing magnetic circuit state of the magnetic disk, the magnetic source exciting coil is electrified with continuous reverse constant exciting current, electromagnetic magnetic force lines are closed with the magnetic force lines of the plurality of groups of permanent magnetic steel, no magnetic force lines pass through the workpiece, and the magnetic disk is in the demagnetizing state.
Compared with the traditional magnetic disk, the utility model has the remarkable advantages of large magnetic force, uniform magnetic force, adjustable magnetic force, safety and reliability and realization of super finishing operation without temperature rise.
Drawings
Fig. 1 and 2 are schematic structural diagrams of a parallel U-shaped iron core with a flat neodymium-iron-boron magnetic steel and a magnetic conductive type magnetic disc with an air gap.
Fig. 3 to 5 are schematic diagrams of magnetic circuits.
1-Fixed polarity strip-shaped outside magnetic conduction plate 2-aluminum frame
3-Strip transition magnetic pole magnetic conduction plate without fixed polarity 4-strip magnetic conduction plate with fixed polarity
5-Exciting coil 6-vertical type non-reversible polarity neodymium iron boron magnetic steel
7-Magnetic conducting magnet with air gap 8-magnetism isolating small copper plate 9-parallel U-shaped iron core
10-Workpiece 11-horizontal tiling polarity irreversible change neodymium iron boron magnetic steel
Detailed Description
Fig. 1 and 2 are schematic diagrams of structures of neodymium iron boron magnetic steel and a magnetic conduction type magnetic disk with an air gap which are tiled on a parallel U-shaped iron core, fig. 1 is a front view, and fig. 2 is a top view. The main components are a permanent magnetic circuit component (disk panel), an electromagnetic circuit component (magnetic source) and magnetic isolation layers in the two magnetic circuit components, and the magnetic isolation layers can be placed in the disk panel or the magnetic source magnetic circuit component.
The permanent magnetic circuit component, namely the disk panel, consists of a strip-shaped outer magnetic conduction plate 1 with fixed polarity, a strip-shaped magnetic conduction plate 4 with fixed magnetic poles, a strip-shaped transition magnetic pole magnetic conduction plate 3 without fixed polarity, vertical and vertical type polarity irreversible change neodymium-iron-boron magnetic steel 6 and a magnetism isolating small copper plate 8 which are clamped between the magnetic conduction plates, wherein the planes are tightly attached, and the neodymium-iron-boron magnetic steel is placed in the magnetism isolating small copper plate. The electromagnetic circuit component consists of an exciting coil 5, a parallel U-shaped iron core 9 and an aluminum frame 2. The magnetic isolation layer is arranged between the two parts and is formed by combining a thin copper plate or a horizontally tiled non-reversible polarity neodymium iron boron magnetic steel 11 and a guide magnet 7 with an air gap in a uniformly-height tiled manner, and the magnetic isolation layer plays a role in connecting and controlling the trend of magnetic lines of force of the two magnetic circuit parts.
Fig. 3-5 are schematic diagrams of magnetic circuits.
Fig. 3 is a schematic diagram of a magnetic circuit of superposition of permanent magnetic force, in which an electromagnetic component is powered off, magnetic lines of force of neodymium iron boron magnetic steel in the permanent magnetic component are superposed with magnetic lines of force of neodymium iron boron magnetic steel below a strip-shaped magnetic conduction plate with fixed polarity of the permanent magnetic component in a magnetic isolation layer, and the magnetic lines of force of neodymium iron boron magnetic steel are gathered on a workpiece to be held to form a superposition of permanent magnetic lines of force in the workpiece 10, and the magnetic circuit is in a medium-strong magnetic force state:
Fig. 4 is a schematic diagram of the fully overlapped working of electromagnetic force and permanent magnetic force, in which the electromagnetic circuit component is supplied with forward exciting current, the polarity direction of the electromagnetic circuit component is consistent with that of the neodymium-iron-boron magnetic steel with irreversible polarity, the magnetic field directions of the permanent magnetic force lines and the electromagnetic force lines are the same, and three groups of magnetic force lines are fully overlapped in the workpiece and are in a strong magnetic force state.
Fig. 5 is a schematic diagram of demagnetizing state, in which the electromagnetic circuit component is energized with a reverse constant exciting current to efficiently transfer magnetic force lines through the magnetic conductive magnets with air gaps, so that the reverse current passes through a plurality of groups of strip-shaped transition magnetic pole magnetic conductive plates without fixed polarities and a plurality of groups of homodromous neodymium-iron-boron magnetic steel groups to form electromagnetic magnetic force lines and permanent magnetic steel magnetic force lines to be internally closed,No magnetic force lines will pass through the workpiece, and the total magnetic force is zero.
Claims (4)
1. The parallel U-shaped iron core is flatly paved with neodymium iron boron magnetic steel and a magnetic conduction type magnetic disk with an air gap, and is characterized in that: the permanent magnetic circuit component is arranged on the upper layer, the electromagnetic circuit component is arranged on the lower layer, and a magnetic isolation layer is arranged between the two components, and the two components are overlapped in a planar clinging mode.
2. The parallel U-shaped iron core of claim 1 wherein the parallel U-shaped iron core comprises neodymium-iron-boron magnetic steel and a magnetic conductive disc with an air gap, and the parallel U-shaped iron core is characterized in that: the permanent magnetic circuit component, namely the disk panel, consists of a strip-shaped magnetic conduction plate with fixed polarity, a transition magnetic pole strip-shaped magnetic conduction plate without fixed polarity and a polarity irreversible change NdFeB magnetic steel respectively clamped between the two magnetic conduction plates; the magnetic steel poles clamped on the two sides of the strip-shaped transition magnetic pole magnetic conduction plate without fixed polarity are required to be the same in direction, and the magnetic steel poles clamped on the two sides of the strip-shaped magnetic conduction plate with fixed polarity are required to be opposite in direction.
3. The parallel U-shaped iron core of claim 1 wherein the parallel U-shaped iron core comprises neodymium-iron-boron magnetic steel and a magnetic conductive disc with an air gap, and the parallel U-shaped iron core is characterized in that: the electromagnetic circuit component, namely the magnetic source, consists of a plurality of parallel U-shaped iron cores and exciting coils sleeved on the iron cores.
4. The parallel U-shaped iron core of claim 1 wherein the parallel U-shaped iron core comprises neodymium-iron-boron magnetic steel and a magnetic conductive disc with an air gap, and the parallel U-shaped iron core is characterized in that: the magnetic isolation layer between the electromagnetic circuit component and the permanent magnetic circuit component is a polar irreversible change NdFeB plane magnetic steel paved on the parallel U-shaped iron core and a high-band air gap conductive magnet which is equal to the plane of the magnetic steel, and the magnetic pole direction of the magnetic steel is the same as the magnetic field direction generated by forward exciting current on the parallel U-shaped iron core; the magnetic isolation layer may be disposed within the disk magnetic source or within the disk faceplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320137192.5U CN220873340U (en) | 2023-02-03 | 2023-02-03 | Parallel U-shaped iron core is last tiling neodymium iron boron magnetic steel and takes air gap to lead magnet formula magnetic disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320137192.5U CN220873340U (en) | 2023-02-03 | 2023-02-03 | Parallel U-shaped iron core is last tiling neodymium iron boron magnetic steel and takes air gap to lead magnet formula magnetic disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873340U true CN220873340U (en) | 2024-04-30 |
Family
ID=90807464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320137192.5U Active CN220873340U (en) | 2023-02-03 | 2023-02-03 | Parallel U-shaped iron core is last tiling neodymium iron boron magnetic steel and takes air gap to lead magnet formula magnetic disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873340U (en) |
-
2023
- 2023-02-03 CN CN202320137192.5U patent/CN220873340U/en active Active
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