CN108380771B - Magnetic force adjustable permanent magnetism conveying roller - Google Patents
Magnetic force adjustable permanent magnetism conveying roller Download PDFInfo
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- CN108380771B CN108380771B CN201810180335.4A CN201810180335A CN108380771B CN 108380771 B CN108380771 B CN 108380771B CN 201810180335 A CN201810180335 A CN 201810180335A CN 108380771 B CN108380771 B CN 108380771B
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- magnetic
- conveying roller
- block
- permanent magnet
- magnetic force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/08—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by rollers
Abstract
A permanent magnet conveying roller with adjustable magnetic force mainly comprises a left shaft, a permanent magnet conveying roller body, a magnetic force adjusting device and a right shaft, wherein the left shaft and the right shaft are respectively welded at the left end and the right end of the permanent magnet conveying roller body, the magnetic force adjusting device is arranged at one side of the permanent magnet conveying roller body, the non-magnetic-conductive polygonal supporting shaft at the center inside the permanent magnet conveying roller body is welded with a left fixed magnetic conduction block and a right fixed magnetic conduction block, and a fan-shaped magnetic pole formed by welding and connecting non-magnetic conductive connecting blocks, wherein a plurality of fan-shaped magnetic poles are synthesized into a circle, each fan-shaped magnetic pole is internally provided with a rotatable magnetic core formed by a left rotating magnetic conductive block, a permanent magnetic block and a right rotating magnetic conductive block, the rotating angle of the rotatable magnetic core is adjusted by adjusting the rotation of the magnetic force adjusting device, so that the magnetic force can be adjusted, the invention also discloses a permanent magnetic conveying roller which has the advantages of adjustable magnetic force of the electromagnetic conveying roller, demagnetization, energy conservation and easy maintenance.
Description
Technical Field
The invention relates to the technical field of magnetic conveying rollers, in particular to a permanent magnet conveying roller with adjustable magnetic force.
Background
At present, two types of magnetic conveying rollers are provided, one type of magnetic conveying roller is an electromagnetic conveying roller, the other type of magnetic conveying roller is a permanent magnetic conveying roller, and the magnetic conveying rollers are installed on a steel conveying line and used for sucking steel materials such as wire (bar) materials, section steel, angle steel and the like, so that the steel materials are stably and straightly guided and conveyed to a cold shearing machine or a straightening machine roller way at a specified speed, bar layer jumping is reduced, the steel materials are not deviated, and the shearing precision is improved.
Two kinds of magnetic conveying rollers respectively have the defects that:
1. the magnetic force of the electromagnetic conveying roller can be adjusted by adjusting the voltage, but the installation structure is complex and the maintenance cost is high;
2. the permanent magnet conveying roller is characterized in that the permanent magnet magnetic block is arranged inside the permanent magnet conveying roller to generate magnetic force, the magnetic block is fixedly arranged, the magnetic force cannot be adjusted, the magnetic roller is not universal when steel products of different specifications are conveyed, the magnetic force cannot be demagnetized, and a plurality of dust is adsorbed on the surface of the roller after the roller is used for a long time and needs to be removed manually.
Disclosure of Invention
The present invention aims to provide a permanent magnet conveying roller with adjustable magnetic force, so as to solve the problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
the invention mainly comprises a left shaft, a permanent magnet conveying roller body, a magnetic force adjusting device and a right shaft, and is characterized in that: the left shaft and the right shaft are respectively welded at the left end and the right end of the permanent magnet conveying roller body, a magnetic force adjusting device is installed on one side of the permanent magnet conveying roller body, a fan-shaped magnetic pole formed by a left fixed magnetic conduction block and a right fixed magnetic conduction block is welded on a non-magnetic conduction polygonal supporting shaft at the center inside the permanent magnet conveying roller body, the fan-shaped magnetic poles are welded on the non-magnetic conduction polygonal supporting shaft and are connected by a non-magnetic conduction connecting block in a welded mode, the fan-shaped magnetic poles are combined into a circle, a rotatable magnetic core formed by a left rotation magnetic conduction block, a permanent magnet block and a right rotation magnetic conduction block is installed in each fan-shaped magnetic pole, and the rotation angle of the rotatable magnetic core is adjusted by adjusting the rotation.
A demagnetizing state: the magnetic force adjusting device is adjusted to rotate to drive the rotatable magnetic core to rotate, so that the permanent magnetic block in the magnetic pole rotates by 0-90 degrees, the magnetic force is in the maximum state at 0 degree, when the magnetic pole rotates, the magnetic circuit is conducted with the right rotating magnetic conducting block through the left rotating magnetic conducting block, the rotating angle is larger and larger, the magnetic force is smaller and smaller, when the permanent magnetic block in the magnetic pole rotates to the horizontal position at 90 degrees, the N pole and the S pole of the permanent magnetic block pass through the magnetic conductions of the left fixed magnetic conducting block, the left rotating magnetic conducting block, the right rotating magnetic conducting block and the right fixed magnetic conducting block and form magnetic field shielding, the magnetic circuit forms a loop inside, and therefore the magnetism is not.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the invention solves the problem that the magnetic force of the permanent magnet conveying roller can not be adjusted, and simultaneously, because the magnetism generation and the demagnetization do not need to adopt electricity, the invention is more energy-saving and simpler to maintain than an electromagnetic conveying roller, and the permanent magnet conveying roller has the advantages of adjustable magnetic force of the electromagnetic conveying roller, capability of eliminating the magnetic force, energy saving and easy maintenance of the permanent magnet conveying roller and the like.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a cross-sectional view "a-a" of fig. 1 (magnetic generation state).
Fig. 3 is a sectional view taken along line "a-a" in fig. 1 (demagnetized state).
Shown in fig. 1-3: the magnetic conveying roller comprises a left shaft (1), a permanent magnet conveying roller body (2), a magnetic force adjusting device (3), a right shaft (4), a left fixed magnetic conduction block (5), a left rotating magnetic conduction block (6), a non-magnetic conduction connecting block (7), a permanent magnet block (8), a right rotating magnetic conduction block (9), a right fixed magnetic conduction block (10) and a non-magnetic conduction polygonal supporting shaft (11).
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the drawings and the specific embodiments.
The invention (see figure 1) mainly comprises a left shaft (1), a permanent magnet conveying roller body (2), a magnetic force adjusting device (3) and a right shaft (4), and is characterized in that: the left end and the right end of a permanent magnet conveying roller body (2) are respectively welded with a left shaft (1) and a right shaft (4), one side of the permanent magnet conveying roller body (2) is provided with a magnetic force adjusting device (3), (see figure 2) a non-magnetic-conductive polygonal supporting shaft (11) at the center inside the permanent magnet conveying roller body (2) is welded with a fan-shaped magnetic pole consisting of a left fixed magnetic conductive block (5) and a right fixed magnetic conductive block (10) which are welded and connected by a non-magnetic-conductive connecting block (7), the non-magnetic-conductive polygonal supporting shaft (11) is welded with a plurality of fan-shaped magnetic poles which are synthesized into a circle, each fan-shaped magnetic pole is internally provided with a rotatable magnetic core consisting of a left rotating magnetic conductive block (6), a permanent magnet block (8) and a right rotating magnetic conductive block (9), and the rotation angle of the rotatable magnetic core, and two states of magnetism generation and demagnetization are realized.
Example (b):
(see FIG. 2) magnetic state: the magnetic force adjusting device (3) is adjusted to rotate to drive the rotatable magnetic core to rotate, so that the permanent magnetic block (8) in the magnetic pole is vertical, the N pole or the S pole of the permanent magnetic block (8) is respectively superposed with the N pole or the S pole of the adjacent magnetic pole, the magnetic force is displayed outwards, and the magnetic state is the maximum magnetic force.
(see fig. 3) demagnetized state: adjust magnetic force adjusting device (3) rotation and drive rotatable magnetic core rotatory, make permanent magnet block (8) in the magnetic pole rotatory 0~90 degree, 0 degree is the magnetic force maximum state, during the rotation, the magnetic circuit switches on with right rotatory magnetic conduction block (9) through left rotation magnetic conduction block (6), rotation angle is bigger and bigger, magnetic force is just more and more littleer, when permanent magnet block (8) rotated to 90 degrees horizontal position in the magnetic pole, the N utmost point and the S utmost point magnetic circuit of permanent magnet block (8) pass through left fixed magnetic conduction block (5), left rotation magnetic conduction block (6), right rotation magnetic conduction block (9), the magnetic conduction of right fixed magnetic conduction block (10), and form magnetic field shielding, the magnetic circuit forms the return circuit inside, thereby externally do not show magnetism, for the demagnetization state.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a magnetic force adjustable permanent magnetism conveying roller mainly comprises left axle, permanent magnetism conveying roller body, magnetic force adjusting device, right axle, its characterized in that:
the left end and the right end of the permanent magnet conveying roller body are respectively welded with a left shaft and a right shaft,
a magnetic force adjusting device is arranged on one side of the permanent magnet conveying roller body,
a fan-shaped magnetic pole is welded on a non-magnetic-conduction polygonal supporting shaft at the center inside the permanent magnet conveying roller body,
the fan-shaped magnetic pole comprises a left fixed magnetic conduction block and a right fixed magnetic conduction block, and the left fixed magnetic conduction block and the right fixed magnetic conduction block are connected by a non-magnetic conduction connecting block in a welding manner;
a plurality of fan-shaped magnetic poles are welded on the non-magnetic-conductive polygonal supporting shaft and are combined into a circle, and a rotatable magnetic core consisting of a left-rotation magnetic conductive block, a permanent magnetic block and a right-rotation magnetic conductive block is further arranged in each fan-shaped magnetic pole;
the rotation angle of the rotatable magnetic core is adjusted by adjusting the rotation of the magnetic force adjusting device, so that the magnetic force of the permanent magnet conveying roller can be adjusted, and two states of magnetism generation and demagnetization are realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180335.4A CN108380771B (en) | 2018-03-05 | 2018-03-05 | Magnetic force adjustable permanent magnetism conveying roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180335.4A CN108380771B (en) | 2018-03-05 | 2018-03-05 | Magnetic force adjustable permanent magnetism conveying roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108380771A CN108380771A (en) | 2018-08-10 |
| CN108380771B true CN108380771B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180335.4A Active CN108380771B (en) | 2018-03-05 | 2018-03-05 | Magnetic force adjustable permanent magnetism conveying roller |
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| Country | Link |
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| CN (1) | CN108380771B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253525B (en) * | 2020-10-13 | 2021-10-08 | 珠海格力电器股份有限公司 | Protection device for magnetic suspension compressor and magnetic suspension compressor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2401724A (en) * | 2003-05-12 | 2004-11-17 | Magnetic Systems Ltd | Permanent magnet chuck |
| JP2008028168A (en) * | 2006-07-21 | 2008-02-07 | Michiya Miki | Magnet roll complex |
| CN201609832U (en) * | 2009-08-17 | 2010-10-20 | 张伟德 | Multifunctional permanent magnet workbench |
| CN201689754U (en) * | 2010-04-01 | 2010-12-29 | 戴珊珊 | Device for obtaining variable magnetic fields by interactions between permanent magnet and soft magnet |
| KR101034412B1 (en) * | 2010-10-26 | 2011-05-12 | 충주대학교 산학협력단 | Magnetic wheel assembly for transferring a longitudinally extending conductive material and apparatus having the same |
| CN104376956B (en) * | 2013-08-12 | 2017-11-10 | 上海浩灵磁电器件有限公司 | One kind switch adjustable permanent magnetic device of controllable magnetic field intensity |
| CN205789365U (en) * | 2016-05-25 | 2016-12-07 | 南安市瑞欣生物科技有限公司 | A kind of radial permanent magnet power regulation ring |
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2018
- 2018-03-05 CN CN201810180335.4A patent/CN108380771B/en active Active
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| CN108380771A (en) | 2018-08-10 |
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