CN104465018A - Portable passive demagnetization device - Google Patents
Portable passive demagnetization device Download PDFInfo
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- CN104465018A CN104465018A CN201310439996.1A CN201310439996A CN104465018A CN 104465018 A CN104465018 A CN 104465018A CN 201310439996 A CN201310439996 A CN 201310439996A CN 104465018 A CN104465018 A CN 104465018A
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- demagnetization
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Abstract
The invention relates to a portable passive demagnetization device which is suitable for demagnetization of small metal parts, instruments and meters. The portable passive demagnetization device comprises a base (18), a demagnetization board (19), a work panel (1), a demagnetization box (8), a guide rod (4), a guide rod (17), a tension spring (3) and a trigger mechanism. The demagnetization board is arranged in the base, the base is covered with the work panel, the two parallel linear guide rods are fixedly installed on the work panel, the direction of the guide rods is the same as the progressive decrease direction from large to small of magnetic intensity generated by the arrangement of magnetic poles in the demagnetization board, the guide rods are sleeved with sliding sleeves (6) which are fixedly installed on the two sides of the demagnetization box, a tension spring fixing frame (5) is arranged at the rear end of the demagnetization box, and a hook (15) is arranged at the front end of the demagnetization box. A tension spring fixing frame (2) is perpendicularly arranged at the rear end of the base. The two ends of the tension spring are connected with the tension spring fixing frame on the demagnetization box and the tension spring fixing frame on the base respectively, and the trigger mechanism is arranged at the front end of the base and matched with the hook of the demagnetization box so that the demagnetization box can be pulled and released.
Description
Technical field
The present invention relates to electromagnetic technology field, particularly, the present invention relates to a kind of degaussing gear, more specifically, the present invention relates to a kind of portable passive degaussing gear, be applicable to the demagnetization of micro metal part, fixture, little mould, workpiece, instrument and meter.
Background technology
Advanced industrial equipment instrument and meter, Cutter bits of precision cutting process etc., be easy to be magnetized.At such as thunder and lightning, high vibration, by under the multiple occasions such as magnet nuzzles up, namely these precision parts or machining tool are magnetized, once after magnetization, precision instrumentation adverse consequences will occur.The demagnetization method of prior art all adopts active degausser to solve, and active degausser is generally provided with coil, magnetic conductor, control circuit etc.; This active degausser must input power, by alternating current by after coil, makes it produce alternating magnetic field, by the decreasing energy of alternating magnetic field, the remanent magnetism in magnetizer is neutralized gradually and is neutral, makes its 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-transformer is plugged into, this technique device just cannot use.The place of such as water supply, air feed, fuel feeding, in the process of repair and maintenance, needs the component of machine demagnetization to some precisions, and owing to not having power supply to provide, existing demagnetizer device is just helpless.
Summary of the invention
The object of the present invention is to provide a kind of portable passive degaussing gear, this degaussing gear adopts 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 following technical scheme:
A kind of portable passive degaussing gear, comprise base, demagnetization plate, working panel, demagnetization box, guide rod, extension spring, cocking mechanism, long recess is had in described base, the built-in demagnetization plate of groove, working panel is stamped above groove, two parallel linear guides working panel are fixedly equipped with, guide rod direction and demagnetization plate internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic field intensity that produces is identical, guide rod is set with slip cap, slip cap is fixedly installed in demagnetization box dual-side, the demagnetization box be 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, extension spring fixed mount is vertically equipped with in described base rear end portion, and extension spring two ends connect demagnetization box extension spring fixed mount and base extension spring fixed mount respectively, and cocking mechanism is equipped with in portion to pan frontward end, and cocking mechanism and demagnetization box are linked up with to match and can be held and decontrol demagnetization box.
Described cocking mechanism comprises trigger lower carriage, spring, trigger touch panel, trigger frame window, trigger clasp, trigger lower carriage and trigger frame window are fixedly installed in pan frontward end portion, trigger lower carriage is mutually vertical with trigger frame window, trigger lower carriage is provided with spring, the spring other end is fixedly installed under trigger touches panel, trigger touches panel rear crimp and forms trigger clasp, and trigger clasp matches with the hook on demagnetization box; Trigger frame window is trigger frame has a rectangular mounting hole, trigger touches panel through trigger frame window, trigger frame window touches the fulcrum of panel as trigger, trigger touches panel rear, trigger touches panel and trigger frame window contact position, trigger touch panel and spring fixed contact, trigger and touch panel front portion and be arranged in order, and it is anterior as operating portion that trigger touches panel.
Described demagnetization plate is magnetic density order descending array demagnetizing plate, this demagnetization plate is on base plate, arrange the staggered permanent-magnet steel of S, N, this permanent-magnet steel first piece of magnetic strength is maximum, from front to back, descending arrangement, magnet steel inlays non-magnet material each other, 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.
Degaussing gear of the present invention adopts linear motion device and magnetic density order descending array demagnetizing plate, is equipped with and needs demagnetization part, can realize manual passive demagnetization in telecontrol equipment.Its operation principle is: add rightabout external magnetic field at remanent magnetism body, and within the unit interval, constantly does magnetic field, north and south alternately, and intensity is by reducing to greatly minimum.That is: " the remanent magnetism body in given pace motion, be the permutation and combination body of descending through alternation magnetic strength gradient, remanent magnetism body also changes because of additional magnetic field coercive force, and the result of change is remanent magnetism ≈ 0 ".
Degaussing gear of the present invention solves the place that non-transformer is plugged into, particularly the energy free demagnetization problem of workplace in the wild, some precision optical machinery instrument on place, port and pier and miscellaneous part, because the damage caused after being magnetized can be repaired in time.Remanent magnetism body (parts by after demagnetization) after degaussing gear of the present invention, after gaussmeter measures, its remanent magnetism is all in the state that crocodile is disregarded.Degaussing gear of the present invention is particularly suitable for the demagnetization behavior of small parts: as alloy tool steel bit, milling cutter, boring cutter, hairspring, wrist-watch etc.According to on-the-spot and laboratory test, its erasure effect obtains the effect same with electric oscillation demagnetizer.
Degaussing gear of the present invention can realize passive demagnetization under non-transformer occasion, and to be lightly small and exquisitely easy to carry, and is applicable to maintenance and the service work of field precision instruments, 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 degaussing gear of the present invention implements schematic diagram;
Fig. 4 a is that degaussing gear of the present invention is treating erasing state schematic diagram, and Fig. 4 b is degaussing gear of the 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 triggers touch panel, 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).
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
See Fig. 1 and Fig. 2, a kind of portable passive degaussing gear, comprise 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, the built-in demagnetization plate 19 of groove, working panel 1 is stamped above groove, working panel 1 is fixedly equipped with two parallel linear guides 4,17 by fixed block 9, guide rod direction and demagnetization plate 19 internal magnetic pole arrange that the descending direction of successively decreasing of the magnetic field intensity that produces is identical, guide rod 4,17 is set with slip cap 6, slip cap 6 is fixedly installed in demagnetization box 8 dual-side, the demagnetization box 8 be 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; Described base 18 rearward end is vertically equipped with extension spring fixed mount 2, extension spring 3 two ends connect demagnetization box extension spring fixed mount 5 and base extension spring fixed mount 2 respectively, base 18 leading section is equipped with cocking mechanism, and cocking mechanism and demagnetization box are linked up with 15 and are matched and can hold and decontrol demagnetization box 8.
Described cocking mechanism comprises trigger lower carriage 10, spring 11, trigger touch panel 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 is mutually vertical with trigger frame window 13, trigger lower carriage 10 is provided with spring 11, spring 11 other end is fixedly installed in trigger and touches panel 12 times, trigger touches panel 12 rear portion crimp and forms trigger clasp 14, and trigger clasp 14 matches with the hook 15 on demagnetization box 8; Trigger frame window 13 has a rectangular mounting hole in trigger frame, trigger touches panel 12 through trigger frame window 13, trigger frame window 13 touches the fulcrum of panel 12 as trigger, trigger touches panel 12 rear portion, trigger touches panel 12 and trigger frame window 13 contact position, trigger and touches panel 12 and touch panel 12 front portion with spring 11 fixed contact, trigger and be arranged in order, and trigger touches panel 12 front portion as operating portion.Panel 12 is touched anterior by trigger action, trigger touches panel 12 using trigger frame window 13 as fulcrum, trigger touches panel 12 downwards by lower spring 11, and the trigger clasp 14 that trigger touches panel 12 rear portion is linked up with 15 with demagnetization box and thrown off, and demagnetization box 8 moves backward under the effect of extension spring 3 power.
Described demagnetization plate 19 is magnetic density order descending array demagnetizing plate, this demagnetization plate 19 is on base plate, arrange the staggered permanent-magnet steel of S, N, this permanent-magnet steel first piece of magnetic strength is maximum, 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, see Fig. 2.Guide rod 4,17 direction (i.e. demagnetization box 8 moving direction) is identical with the magnetization direction that S, N magnetic pole interlaced arrangement in demagnetization plate 19 produces, and this magnetic direction is front strong rear weak descending direction, see Fig. 4 a, Fig. 4 b.
Described working panel 1 and demagnetization box 8 are made up of non-magnet material, as stainless steel etc.Cover plate 16 is stamped on described demagnetization box 8 top, and this cover plate 16 is made for transparent cover plate and 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 touches panel 12 front portion in trigger, see the External Force Acting direction (direction of arrow) 20 in Fig. 4 b, trigger touches panel 12 front portion as operating portion, that is: firmly press trigger touch panel 12 anterior time, hook 15 on trigger clasp 14 and demagnetization box 8 is thrown off, under extension spring 3 acts on, demagnetization box 8 is along linear guide 4, 17 slide to weak district to zero from the strong district of the alternating magnetic field of demagnetization plate 19 generation fast, implement " 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 coercive force, the result changed is remanent magnetism ≈ 0 ".The parts 7 that are contained in the band remanent magnetism in demagnetization box 8 are like this by demagnetization.Because demagnetization plate 19 adopts permanent-magnet steel, degaussing gear of the present invention without the need to external power supply, thus solves the place that non-transformer plugs into, particularly the energy free demagnetization problem of workplace in the wild.
These are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, therefore, all any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a portable passive degaussing gear, is characterized in that: comprise 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), the built-in demagnetization plate (19) of groove, working panel (1) is stamped above groove, working panel (1) is above fixedly 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 that produces is identical, guide rod (4, 17) slip cap (6) is set with on, slip cap (6) is fixedly installed in demagnetization box (8) dual-side, the demagnetization box (8) be 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), demagnetization box (8) leading section is equipped with hook (15),
Extension spring fixed mount (2) described base (18) rearward end is vertically equipped with, extension spring (3) two ends connect demagnetization box extension spring fixed mount (5) and base extension spring fixed mount (2) respectively, base (18) leading section is equipped with cocking mechanism, and cocking mechanism is linked up with (15) and is matched and can hold and decontrol demagnetization box (8) with demagnetization box.
2. portable passive degaussing gear according to claim 1, it is characterized in that: described cocking mechanism comprises trigger lower carriage (10), spring (11), trigger touches panel (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) is mutually vertical with trigger frame window (13), trigger lower carriage (10) is provided with spring (11), spring (11) other end is fixedly installed under trigger touches panel (12), trigger touches panel (12) rear portion crimp and forms trigger clasp (14), trigger clasp (14) matches with the hook (15) on demagnetization box, trigger frame window (13) is for trigger frame having a rectangular mounting hole, trigger touches panel (12) through trigger frame window (13), trigger frame window (13) touches the fulcrum of panel (12) as trigger, trigger touches panel rear, trigger touches panel and trigger frame window (13) contact position, trigger touch panel and spring (11) fixed contact, trigger touch panel front portion and be arranged in order, and it is anterior as operating portion that trigger touches panel (12).
3. portable passive degaussing gear 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 on base plate, arrange the staggered permanent-magnet steel of S, N, this permanent-magnet steel first piece of magnetic strength is maximum, from front to back, descending arrangement, magnet steel inlays non-magnet material each other, and the magnetic intensity of permanent-magnet steel array is skew lines graded, and is descending.
4. portable passive degaussing gear according to claim 1, is characterized in that: described working panel (1) and demagnetization box (8) are made up of non-magnet material.
5. the portable passive degaussing gear according to claim 1 or 4, is characterized in that: cover plate (16) is stamped on described demagnetization box (8) top, and this cover plate (16) is for transparent cover plate and be 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 |
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| Publication Number | Publication Date |
|---|---|
| CN104465018A true CN104465018A (en) | 2015-03-25 |
| CN104465018B CN104465018B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310439996.1A Active CN104465018B (en) | 2013-09-24 | 2013-09-24 | Portable passive degaussing gear |
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| Country | Link |
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| CN (1) | CN104465018B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223817A (en) * | 2019-06-14 | 2019-09-10 | 无锡市振华开祥科技有限公司 | A kind of de- magnetism method of the inclination of magnetic eliminating bar |
Citations (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 |
| CN2164095Y (en) * | 1993-04-09 | 1994-05-04 | 太原西迪计算机公司 | Pulse eraser |
| US6020806A (en) * | 1993-03-12 | 2000-02-01 | Thomson Television Components France | Degaussing coil |
| CN201616311U (en) * | 2010-01-05 | 2010-10-27 | 陈碧海 | Novel three-dimensional demagnetization machine |
| CN102254666A (en) * | 2010-05-21 | 2011-11-23 | 宝山钢铁股份有限公司 | Magnetic density order descending array demagnetizing plate |
-
2013
- 2013-09-24 CN CN201310439996.1A patent/CN104465018B/en active Active
Patent Citations (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 |
| US6020806A (en) * | 1993-03-12 | 2000-02-01 | Thomson Television Components France | Degaussing coil |
| 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 |
| CN102254666A (en) * | 2010-05-21 | 2011-11-23 | 宝山钢铁股份有限公司 | Magnetic density order descending array demagnetizing plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110223817A (en) * | 2019-06-14 | 2019-09-10 | 无锡市振华开祥科技有限公司 | A kind of de- magnetism method of the inclination of magnetic eliminating bar |
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| Publication number | Publication date |
|---|---|
| CN104465018B (en) | 2016-12-07 |
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