CN104465018B - Portable passive degaussing gear - Google Patents
Portable passive degaussing gear Download PDFInfo
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- CN104465018B CN104465018B CN201310439996.1A CN201310439996A CN104465018B CN 104465018 B CN104465018 B CN 104465018B CN 201310439996 A CN201310439996 A CN 201310439996A CN 104465018 B CN104465018 B CN 104465018B
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- demagnetization
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- extension spring
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Abstract
The present invention relates to a kind of passive degaussing gear, it is adaptable to micro metal part and the demagnetization of instrument and meter.A kind of portable passive degaussing gear, including base (18), demagnetization plate (19), working panel (1), demagnetization box (8), guide rod (4, 17), extension spring (3), cocking mechanism, working panel is stamped in described base built-in demagnetization plate and top, fix equipped with two parallel lines guide rods on working panel, guide rod direction and demagnetization plate internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic strength produced is identical, slip cap (6) it is set with on guide rod, slip cap is fixedly installed in demagnetization box dual-side, demagnetization box rearward end is equipped with extension spring fixed mount (5), leading section is equipped with hook (15)；Vertical in base rear end portion equipped with extension spring fixed mount (2), extension spring two ends connect demagnetization box extension spring fixed mount and base extension spring fixed mount respectively, and equipped with cocking mechanism in pan frontward end portion, cocking mechanism matches with demagnetization box hook and can hold and decontrol demagnetization box.
Description
Technical field
The present invention relates to electromagnetic technology field, in particular it relates to a kind of degaussing gear, more particularly it relates to an portable passive degaussing gear, it is adaptable to micro metal part, fixture, little mould, workpiece, the demagnetization of instrument and meter.
Background technology
Advanced industrial equipment instrument and meter, Cutter bits of precision cutting process etc., it is easy to be magnetized.At such as thunder and lightning, high vibration, by under the multiple occasions such as magnet nuzzles up, these precision parts or machining tool are i.e. magnetized, and once after magnetization, precision instrumentation will occur adverse consequences.The demagnetization method of prior art all uses active degausser to solve, and active degausser is generally fitted with coil, magnetic conductor, control circuit etc.；This active degausser have to input power, by alternating current by after coil so that it is produce alternating magnetic field, the decreasing energy of alternating magnetic field it is neutral for the remanent magnetism in magnetizer gradually being neutralized so that it is not carrying magnetic.As Chinese patent 200820057071.5 discloses a kind of demagnetizer, what this demagnetizer described is exactly this kind of conventional art, and this conventional art be unable to do without power supply supply, and in the place that a lot of non-transformers are plugged into, this technique device just cannot use.Such as supply water, supply, the place of fuel feeding during repair and maintenance, need the component of machine demagnetization to some precisions, owing to not having power supply to provide, existing demagnetizer device is the most helpless.
Summary of the invention
It is an object of the invention to provide a kind of portable passive degaussing gear, this degaussing gear uses linear motion device and magnetic density order descending array demagnetizing plate, can realize manual passive demagnetization.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that
A kind of portable passive degaussing gear, including base, demagnetization plate, working panel, demagnetization box, guide rod, extension spring, cocking mechanism, long recess is had in described base, groove built-in demagnetization plate, working panel it is stamped above groove, fix equipped with two parallel linear guides on working panel, guide rod direction and demagnetization plate internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic field intensity produced is identical, slip cap it is set with on guide rod, slip cap is fixedly installed in demagnetization box dual-side, the demagnetization box being positioned between two parallel guide rods can move forward and backward along guide rod, demagnetization box rearward end is equipped with extension spring fixed mount, demagnetization box leading section is equipped with hook；Vertical in described base rear end portion equipped with extension spring fixed mount, extension spring two ends connect demagnetization box extension spring fixed mount and base extension spring fixed mount respectively, and equipped with cocking mechanism in pan frontward end portion, cocking mechanism matches with demagnetization box hook and can hold and decontrol demagnetization box.
Described cocking mechanism includes trigger lower carriage, spring, trigger contacting surface plate, trigger frame window, trigger clasp, trigger lower carriage and trigger frame window are fixedly installed in pan frontward end portion, trigger lower carriage and trigger frame window are mutually perpendicular to, on trigger lower carriage, spring is installed, the spring other end is fixedly installed under trigger contacting surface plate, trigger contacting surface postlaminar part crimp constitutes trigger clasp, and trigger clasp matches with the hook on demagnetization box；Trigger frame window is to have a strip mounting hole in trigger frame, trigger contacting surface plate passes trigger frame window, trigger frame window is as the fulcrum of trigger contacting surface plate, trigger contacting surface postlaminar part, trigger contacting surface plate are arranged in order with spring fixed contact, trigger contacting surface prelaminar part with trigger frame window contact position, trigger contacting surface plate, and trigger contacting surface prelaminar part is as operating portion.
Described demagnetization plate is magnetic density order descending array demagnetizing plate, this demagnetization plate is to arrange the staggered permanent-magnet steel of S, N on base plate, first piece of magnetic strength maximum of this permanent-magnet steel, from front to back, descending arrangement, non-magnet material inlayed each other by magnet steel, the magnetic intensity of permanent-magnet steel array is skew lines graded, and is descending.
Described working panel and demagnetization box are made up of non-magnet material.
Cover plate is stamped on described demagnetization box top, and this cover plate is transparent cover plate and is made up of non-magnet material.
The degaussing gear of the present invention uses linear motion device and magnetic density order descending array demagnetizing plate, equipped with needing demagnetization part in telecontrol equipment, can realize manual passive demagnetization.Its operation principle is: adding rightabout external magnetic field at remanent magnetism body, and constantly make magnetic field, north and south within the unit interval alternately, intensity is by being minimized greatly.That is: " the remanent magnetism body in given pace motion, through the permutation and combination body that alternation magnetic strength gradient is descending, remanent magnetism body also changes because of additional magnetic field coercivity, and the result of change is remanent magnetism ≈ 0 ".
The degaussing gear of the present invention solves the place that non-transformer is plugged into, the most in the wild the energy free demagnetization problem of working space, and some precision optical machinery instrument on place, port and pier and miscellaneous part, owing to the damage caused after being magnetized can be repaired in time.Remanent magnetism body (parts after being unmagnetized) after degaussing gear of the present invention, after Gaussmeter measures, the state that its remanent magnetism is all disregarded crocodile.The degaussing gear of the present invention is particularly suitable for the demagnetization behavior of small parts: such as alloy tool steel bit, milling cutter, boring cutter, hairspring, wrist-watch etc..Testing according to on-the-spot and laboratory, its erasure effect obtains the effect as electric oscillation demagnetizer.
The degaussing gear of the present invention can realize passive demagnetization under non-transformer occasion, and light small and exquisite is easy to carry, and is suitable for maintenance and the service work of field precision instruments, such as: harbour, oil field, stockyard etc..
Accompanying drawing explanation
Fig. 1 is portable passive degaussing gear structural representation of the present invention；
Fig. 2 is demagnetization plate structure schematic diagram；
Fig. 3 is that the degaussing gear of the present invention implements schematic diagram；
Fig. 4 a is that the degaussing gear of the present invention is treating erasing state schematic diagram, and Fig. 4 b is the degaussing gear of present invention view after demagnetization.
In figure: 1 working panel, 2 extension spring fixed mounts, 3 extension springs, 4 guide rods, 5 demagnetization box extension spring fixed mounts, 6 slip caps, 7 need demagnetization parts, 8 demagnetization boxes, 9 fixed blocks, 10 trigger lower carriages, 11 springs, 12 trigger contacting surface plates, 13 trigger frame windows, 14 trigger clasps, 15 demagnetization box hooks, 16 cover plates, 17 guide rods, 18 bases, 19 demagnetization plates, 20 External Force Acting directions (direction of arrow).
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
See Fig. 1 and Fig. 2, a kind of portable passive degaussing gear, including base 18, demagnetization plate 19, working panel 1, demagnetization box 8, guide rod 4,17, extension spring 3, cocking mechanism；Long recess is had in described base 18, groove built-in demagnetization plate 19, working panel 1 it is stamped above groove, fixed equipped with two parallel linear guides 4,17 by fixed block 9 on working panel 1, guide rod direction and demagnetization plate 19 internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic field intensity produced is identical, it is set with slip cap 6 on guide rod 4,17, slip cap 6 is fixedly installed in demagnetization box 8 dual-side, the demagnetization box 8 being positioned between two parallel guide rods can move forward and backward along guide rod, demagnetization box 8 rearward end is equipped with extension spring fixed mount 5, and demagnetization box 8 leading section is equipped with hook 15；Vertically equipped with extension spring fixed mount 2 in described base 18 rearward end, extension spring 3 two ends connect demagnetization box extension spring fixed mount 5 and base extension spring fixed mount 2 respectively, equipped with cocking mechanism on base 18 leading section, cocking mechanism matches with demagnetization box hook 15 and can hold and decontrol demagnetization box 8.
Described cocking mechanism includes trigger lower carriage 10, spring 11, trigger contacting surface plate 12, trigger frame window 13, trigger clasp 14, trigger lower carriage 10 and trigger frame window 13 are fixedly installed in base 18 leading section, trigger lower carriage 10 and trigger frame window 13 are mutually perpendicular to, spring 11 is installed on trigger lower carriage 10, spring 11 other end is fixedly installed in trigger contacting surface plate 12 times, trigger contacting surface plate 12 rear portion crimp constitutes trigger clasp 14, and trigger clasp 14 matches with the hook 15 on demagnetization box 8；Trigger frame window 13 has a strip mounting hole in trigger frame, trigger contacting surface plate 12 is through trigger frame window 13, trigger frame window 13 is as the fulcrum of trigger contacting surface plate 12, trigger contacting surface plate 12 rear portion, trigger contacting surface plate 12 are arranged in order with spring 11 fixed contact, trigger contacting surface plate 12 front portion with trigger frame window 13 contact position, trigger contacting surface plate 12, and trigger contacting surface plate 12 front portion is as operating portion.Anterior by trigger action contacting surface plate 12, trigger contacting surface plate 12 is using trigger frame window 13 as fulcrum, lower spring 11 pressed downwards by trigger contacting surface plate 12, and the trigger clasp 14 at trigger contacting surface plate 12 rear portion and demagnetization box hook 15 disengagement, demagnetization box 8 is moved rearwards by under extension spring 3 power effect.
Described demagnetization plate 19 is magnetic density order descending array demagnetizing plate, this demagnetization plate 19 is to arrange the staggered permanent-magnet steel of S, N on base plate, first piece of magnetic strength maximum of this permanent-magnet steel, from front to back, descending arrangement, non-magnetic class material inlayed each other by magnet steel, the magnetic intensity of permanent-magnet steel array meets in skew lines graded, and is descending, sees Fig. 2.The magnetization direction that guide rod 4,17 direction (i.e. demagnetization box 8 moving direction) produces with S, N magnetic pole interlaced arrangement in demagnetization plate 19 is identical, and this magnetic direction is front strong rear weak descending direction, sees Fig. 4 a, Fig. 4 b.
Described working panel 1 and demagnetization box 8 are made up of non-magnet material, such as rustless steel etc..Cover plate 16 is stamped on described demagnetization box 8 top, and this cover plate 16 for transparent cover plate and is made for non-magnet material.Described base 18 is made up of magnetic conductors such as steel plates.
See Fig. 3, Fig. 4 a and Fig. 4 b, when External Force Acting is when trigger contacting surface plate 12 is anterior, see the External Force Acting direction (direction of arrow) 20 in Fig. 4 b, trigger contacting surface plate 12 front portion is as operating portion, when i.e.: firmly pressing trigger contacting surface plate 12 front portion, hook 15 on trigger clasp 14 and demagnetization box 8 disengages, under extension spring 3 acts on, demagnetization box 8 is along linear guide 4, the strong district of 17 alternating magnetic fields quickly produced from demagnetization plate 19 slides to weak district to zero, implement " the remanent magnetism body in given pace is moved, through the permutation and combination body that alternation magnetic strength gradient is descending, remanent magnetism body also changes because of additional magnetic field coercivity, the result changed is remanent magnetism ≈ 0 ".The parts 7 of the band remanent magnetism being so contained in demagnetization box 8 are unmagnetized.Owing to demagnetization plate 19 uses permanent-magnet steel, the degaussing gear of the present invention is without external power supply, thus solves the place that non-transformer is plugged into, the most in the wild the energy free demagnetization problem of working space.
These are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention, therefore, all any modification, equivalent substitution and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.
Claims (5)
1. a portable passive degaussing gear, is characterized in that: include base (18), demagnetization plate (19), working panel (1), demagnetization box (8), guide rod (4,17), extension spring (3), cocking mechanism,
Described base has long recess in (18), groove built-in demagnetization plate (19), working panel (1) it is stamped above groove, working panel (1) is upper fixing equipped with two parallel linear guides (4, 17), guide rod direction and demagnetization plate (19) internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic field intensity produced is identical, guide rod (4, 17) slip cap (6) it is set with on, slip cap (6) is fixedly installed in demagnetization box (8) dual-side, the demagnetization box (8) being positioned between two parallel guide rods can move forward and backward along guide rod, demagnetization box (8) rearward end is equipped with demagnetization box extension spring fixed mount (5), demagnetization box (8) leading section is equipped with hook (15)；
Vertically equipped with base extension spring fixed mount (2) in described base (18) rearward end, extension spring (3) two ends connect demagnetization box extension spring fixed mount (5) and base extension spring fixed mount (2) respectively, equipped with cocking mechanism on base (18) leading section, cocking mechanism matches with demagnetization box hook (15) can hold and decontrol demagnetization box (8).
Portable passive degaussing gear the most according to claim 1, it is characterized in that: described cocking mechanism includes trigger lower carriage (10), spring (11), trigger contacting surface plate (12), trigger frame window (13), trigger clasp (14), trigger lower carriage (10) and trigger frame window (13) are fixedly installed in base (18) leading section, trigger lower carriage (10) and trigger frame window (13) are mutually perpendicular to, spring (11) is installed on trigger lower carriage (10), spring (11) other end is fixedly installed under trigger contacting surface plate (12), trigger contacting surface plate (12) rear portion crimp constitutes trigger clasp (14), trigger clasp (14) matches with the hook (15) on demagnetization box；Trigger frame window (13) is to have a strip mounting hole in trigger frame, trigger contacting surface plate (12) passes trigger frame window (13), trigger frame window (13) is as the fulcrum of trigger contacting surface plate (12), trigger contacting surface postlaminar part, trigger contacting surface plate are arranged in order with spring (11) fixed contact, trigger contacting surface prelaminar part with trigger frame window (13) contact position, trigger contacting surface plate, and trigger contacting surface plate (12) is anterior as operating portion.
Portable passive degaussing gear the most according to claim 1 and 2, it is characterized in that: described demagnetization plate (19) is magnetic density order descending array demagnetizing plate, this demagnetization plate (19) is to arrange the staggered permanent-magnet steel of S, N on base plate, first piece of magnetic strength maximum of this permanent-magnet steel, from front to back, descending arrangement, non-magnet material inlayed each other by magnet steel, and the magnetic intensity of permanent-magnet steel array is skew lines graded, and is descending.
Portable passive degaussing gear the most according to claim 1, is characterized in that: described working panel (1) and demagnetization box (8) are made up of non-magnet material.
5. according to the portable passive degaussing gear described in claim 1 or 4, it is characterized in that: cover plate (16) is stamped on described demagnetization box (8) top, and this cover plate (16) is transparent cover plate and is made up of non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439996.1A CN104465018B (en) | 2013-09-24 | 2013-09-24 | Portable passive degaussing gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310439996.1A CN104465018B (en) | 2013-09-24 | 2013-09-24 | Portable passive degaussing gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465018A CN104465018A (en) | 2015-03-25 |
| CN104465018B true CN104465018B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310439996.1A Active CN104465018B (en) | 2013-09-24 | 2013-09-24 | Portable passive degaussing gear |
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| CN (1) | CN104465018B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110223817B (en) * | 2019-06-14 | 2021-06-04 | 无锡市振华开祥科技有限公司 | Oblique demagnetizing method of demagnetizing strips |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139332Y (en) * | 1992-10-30 | 1993-07-28 | 中国科学院电子学研究所 | Demagnetizing coil |
| FR2702622B1 (en) * | 1993-03-12 | 1995-05-05 | Thomson Television Components | Method for manufacturing a demagnetization loop and loop obtained by this method. |
| CN2164095Y (en) * | 1993-04-09 | 1994-05-04 | 太原西迪计算机公司 | Pulse eraser |
| CN201616311U (en) * | 2010-01-05 | 2010-10-27 | 陈碧海 | Novel three-dimensional demagnetization machine |
| CN102254666B (en) * | 2010-05-21 | 2013-03-13 | 宝山钢铁股份有限公司 | Magnetic density order descending array demagnetizing plate |
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