CN105618636B - Method and device for generating alloy wire wiegand effect - Google Patents
Method and device for generating alloy wire wiegand effect Download PDFInfo
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- CN105618636B CN105618636B CN201610050839.5A CN201610050839A CN105618636B CN 105618636 B CN105618636 B CN 105618636B CN 201610050839 A CN201610050839 A CN 201610050839A CN 105618636 B CN105618636 B CN 105618636B
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- alloy wire
- guide wheel
- deformation
- traction
- traction positioning
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 90
- 239000000956 alloy Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 4
- 230000004807 localization Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 238000000137 annealing Methods 0.000 description 4
- 230000005399 magnetomechanical effect Effects 0.000 description 4
- ABEXMJLMICYACI-UHFFFAOYSA-N [V].[Co].[Fe] Chemical compound [V].[Co].[Fe] ABEXMJLMICYACI-UHFFFAOYSA-N 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000005381 magnetic domain Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F3/00—Coiling wire into particular forms
- B21F3/02—Coiling wire into particular forms helically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Extraction Processes (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention discloses a method and a device for generating a wiegand effect of alloy wires. The method comprises the steps of carrying out hot processing treatment on alloy wires travelling at a constant speed, then carrying out traction positioning treatment, and then carrying out deformation treatment; the deformation treatment process bends the alloy wire subjected to traction positioning into a spiral state. The device comprises a feeding plate, a speed measuring guide wheel, a pressure guide wheel, a traction positioning guide wheel device and a material receiving plate, wherein alloy wires sequentially pass through the feeding plate, the speed measuring guide wheel, the pressure guide wheel, the traction positioning guide wheel device and the material receiving plate, a high-frequency heating furnace is further arranged between the speed measuring guide wheel and the pressure guide wheel, and a deformation stop block is further arranged between the traction positioning guide wheel device and the material. The invention improves and adds a new deformation technology on the basis of the prior art, so that the energy of the alloy wire is greatly improved, the amplitude is improved by 300-700 percent, and the amplitude is improved by nearly one order of magnitude; the alloy wire prepared by the method and the device can improve the performance of the sensor, so that the energy provided by the sensor can meet the requirement of finishing the starting and storing functions of acquisition equipment.
Description
Technical field
Invention is related to device used in the method and this method of a kind of generation alloy wire Wiegand effect.
Background technique
Certain strong permalloy materials, such as iron cobalt vanadium, iron-nickel alloy can have different magnetic because of the difference of processing technology
Performance, the deformation quantity that material processing generates is bigger, and coercivity is higher；Conversely, deformation quantity is smaller, coercivity is lower.Appropriate
Process conditions under, a uniform alloy wire of ingredient can be processed to half-hard magnetic material.
The magnetic domain direction of half-hard magnetic material depends entirely on external magnetic field.Therefore, under the action of coercivity, material magnetic domain refers to
Change to meeting with external magnetic field and changes.Magneto mechanical effect refers to metal, and deformation occurs when by extraneous stress and then causes its electromagnetism
A kind of phenomenon of performance change.Metal nodestructive testing is carried out using magneto mechanical effect, is the most widely used field of the principle.
The alloy wire that existing preparation process produces will receive the limitation of deformation quantity, need alloy wire mechanical performance and
Seek best fit between electromagnetic performance, not so can not prepare the product sensor of amplitude, high-energy.
Summary of the invention
For the above problem present in alloy wire production technology in the prior art, the present invention provides a kind of generation alloy wire
The method and device thereof of Wiegand effect.The present invention not only realizes the semihard magnetization of alloy wire, also introducing magneto mechanical effect, by right
Its magnetoelectricity transfer efficiency is reinforced in alloy wire deformation, substantially increases the amplitude and energy output of sensor.
In order to achieve the above object, technical scheme is as follows:
A method of alloy wire Wiegand effect is generated, including first carrying out heat treatment to the alloy wire at the uniform velocity advanced,
Traction localization process is carried out again, carries out deformation process afterwards；The deformation process will be bent by the alloy wire of traction positioning
Helical state.
As a further improvement of the present invention, the rate that the alloy wire is at the uniform velocity advanced is 0.1 m/min~5 ms/min.
As a further improvement of the present invention, the heat treatment process uses high frequency radiation mode, and temperature is 800 DEG C
~1200 DEG C, inert gas is constantly filled with while heating.
As a further improvement of the present invention, the alloy wire at the uniform velocity advanced is kept off by deformation
Block, and alloy wire is made to pass through the path after deformation block and the angle by 155 °~175 ° of path formation before deformation block.
It is a kind of generate alloy wire Wiegand effect device, composition include alloy wire successively pass through feed table, test the speed and lead
Wheel, pressure guide wheel, traction positioning guide wheel device, rewinding disk, are additionally provided with high-frequency heating between guide wheel and pressure guide wheel testing the speed
Furnace is additionally provided with deformation block between traction positioning guide wheel device and rewinding disk.
As a further improvement of the present invention, the heating temperature of the dielectric heating oven is constant, and temperature range is 800 DEG C
~1200 DEG C.
As a further improvement of the present invention, the dielectric heating oven includes furnace chamber and air accumulator, and furnace chamber and air accumulator are logical
The connection of heavy caliber ceramic tube is crossed, while heating, the inert gas in air accumulator is constantly filled in furnace chamber.
As a further improvement of the present invention, the deformation block and the contact angle of alloy wire are right angle, and contact site is
Fillet, radius of corner are less than 0.5mm, and the alloy wire at the uniform velocity advanced passes through alloy wire after deformation block by deformation block
Path and the angle that 155 °~175 ° are formed by the path before deformation block will be finally bent by the alloy wire of traction positioning
Helical state.
As a further improvement of the present invention, the positioning guide wheel device is made of several idler wheels, and the number of idler wheel is
Odd number and at equidistant arrangement, each idler wheel is equipped with groove similar with alloy wire diameter, the axial line of positioning guide wheel device
Directional spreding at least three idler wheel, alloy wire cut portion in the outer circle that bending successively bypasses idler wheel.
As a further improvement of the present invention, the diameter of rewinding wheel 7 is 2~4 times of spiral shell diameter under alloy wire spiral status.
Beneficial effects of the present invention are as follows:
1, alloy wire performance boost, energy increase.
The present invention improves and increases new deformation technology on the basis of original technology, there is the energy of alloy wire substantially
It is promoted, amplitude promotes 300%~700%, nearly raising an order of magnitude.
2, new sensor can thoroughly realize passive counting.
It is able to ascend sensor performance using the alloy wire that methods and apparatus of the present invention is prepared, mentions sensor itself
The energy of confession can satisfy the function that acquisition equipment completes starting with storage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the device that the present invention generates alloy wire Wiegand effect.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
A kind of the step of method of generation alloy wire Wiegand effect of the present invention includes first carrying out to the alloy wire at the uniform velocity advanced
Heat treatment, then traction localization process is carried out, deformation process is carried out afterwards.The alloy that deformation process will be positioned by traction
Silk bends to spiral state.
Heat treatment process: using accurate speed regulation and temperature control, the pre-heat treatment is carried out to alloy wire.This link processing
Key is to be removed to the outer oxide layer of alloy wire, while eliminating and coiling the internal stress that packaging forms alloy wire.Heat
The temperature of processing unit controls a certain temperature between 800 DEG C~1200 DEG C, is allowed a choice according to required alloy wire performance difference,
Alloy wire at the uniform velocity travel rate is 0.1~5m/min.Heating is carried out using high-frequency heating mode, the heat radiation with common heating stick
It compares, alloy wire surface and inner core have biggish temperature difference.Inert gas is filled with to device inner cavity while heating, to prevent
Alloy wire oxidation.
Deformation process: alloy wire at the uniform velocity travel rate is 0.1~5m/min, is kept off by the deformation highly fixed
Block.After deformation block, alloy wire subsequent path can form one 155 °~175 ° of angle with path before.Due to closing
Spun gold surface temperature is higher than inner core, will form the surface magnetic property different with inner core in machining, forms semihard magnetic state,
Alloy wire can be bent helically shaped simultaneously.The diameter of recycling round is 2~4 times of spiral shell diameter, to guarantee coiling that alloy wire receives
Stress is minimum.
Curved alloy wire is fitted into ceramic tube, alloy wire can be stretched.Alloy wire after deformation is according to magneto mechanical effect
The change of magnetic property can occur, the change in the present invention is precisely positive, therefore greatly improves the performance of sensor.
A kind of embodiment for the method for generating alloy wire Wiegand effect of the present invention is as follows:
Example 1:
Alloy wire iron cobalt vanadium weight ratio is 49.1%:43.1%:7.8%, diameter 0.28mm.The temperature control of annealing device
System is at 865 DEG C ± 2 DEG C；By angle α=168 ° in deformation processing, end-state is diameter 16cm helical form.It will close
Spun gold cuts into the circular arc of length 12mm, and is packed into ceramic tube.The sensor made of this material drives in repeated load magnetic field
Under dynamic, 3~5mT, 5k circle coil, amplitude 8.0V.
Example 2:
Alloy wire iron cobalt vanadium weight ratio is 49.1%:43.1%:7.8%, diameter 0.5mm.The temperature control of annealing device
System is at 960 DEG C ± 2 DEG C；By angle α=155 ° in deformation processing, end-state is diameter 18cm helical form.It will close
Spun gold cuts into the circular arc of length 22mm, and is packed into ceramic tube.The sensor made of this material drives in repeated load magnetic field
Under dynamic, 3~5mT, 5k circle coil, amplitude 4.5V.The sensor made of this material, under repeated load field drives, 3~
5mT, 5k circle coil, amplitude 50V.
A kind of structure of the device of generation alloy wire Wiegand effect of the invention is as shown in Figure 1, its composition includes: feed table
1, test the speed guide wheel 2, annealing device 3, pressure guide wheel 4, traction positioning guide wheel device 5, deformation block 6, rewinding disk 7.
Annealing device 3 is carried out using high frequency radiation mode, and Control for Kiln Temperature is at 800~1200 DEG C.Furnace chamber and air accumulator 31
It is connected using heavy caliber ceramic tube, while heating, inert gas is constantly filled in furnace chamber by air accumulator 31.Inert gas
Air inflow wants sufficiently large, but gas flow rate cannot be excessively high simultaneously, avoids the occurrence of alloy wire and heats non-uniform phenomenon, guarantees alloy
Silk mechanical performance and electromagnetic performance are uniform.Heavy caliber ceramic tube can be effective heat-insulated, has prevented to occur between furnace chamber and air accumulator
Heat exchange, while will not influence heating effect under the premise of inert gas shielding alloy wire.Before heating, it is necessary to intracorporal to chamber
Air is emptied.
Positioning guide wheel device 5 is drawn between pressure guide wheel 4 and deformation block 6, which is made of several idler wheels,
The number of guide wheel is odd number and arranges at equidistant that each guide wheel is equipped with groove similar with alloy wire diameter.Traction positioning
The direction of axis line of guide wheel device 5 is distributed at least three idler wheel 51,52,53, and alloy wire 10 passes through traction by aperture 54,55 and determines
Position guide wheel device 5, traction positioning guide wheel device 5 are rotated around its own axial line, and alloy wire 10 is wavy successively to bypass idler wheel
51,52,53 outer circle cuts portion.Traction positioning guide wheel device 5 ensures alloy wire 10 after deformation block 6, and two paths press from both sides
Angle immobilizes, identical as predetermined angle.
Deformation block 6 is the very strong ceramic block of a hardness and adjustable, the contact angle of ceramic block and alloy wire 10 of height
For right angle and fillet processing is done, radius of corner is less than 0.5mm.After passing through deformation block 6 traveling road can occur for alloy wire 10
The change of diameter, forms 155 °~175 ° of angle α with original path, which is determined by the height of block.
The diameter of rewinding disk 7 is 2~4 times of spiral shell diameter under 10 spiral status of alloy wire, avoids applying alloy wire new answer
Power, so as to cause performance change.
Compared with the alloy wire that original method produces, amplitude is promoted methods and apparatus of the present invention alloy wire produced
300%~700%；The energy that the alloy wire provides sensor itself can meet acquisition equipment and complete starting and storage
Function.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention.It is all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (5)
1. a kind of method for generating alloy wire Wiegand effect, it is characterised in that: including first carrying out heat to the alloy wire at the uniform velocity advanced
Working process, then traction localization process is carried out, deformation process is carried out afterwards；The deformation process will be passed through by deformation block
The alloy wire of traction positioning bends to spiral state；The heat treatment process uses high frequency radiation mode, and temperature is
800 DEG C~1200 DEG C, inert gas is constantly filled with while heating；The deformation block and the contact angle of alloy wire are straight
Angle, contact site are fillet, and radius of corner is less than 0.5mm, and the alloy wire at the uniform velocity advanced passes through alloy wire by deformation block
Path after deformation block and the angle that 155 °~175 ° are formed by the path before deformation block, finally will be by traction positioning
Alloy wire bend to spiral state.
2. a kind of method for generating alloy wire Wiegand effect according to claim 1, it is characterised in that: the alloy wire is even
The rate that speed is advanced is 0.1 m/min~5 ms/min.
3. a kind of device for realizing the method for any of claims 1 or 2 for generating alloy wire Wiegand effect, composition include alloy
The silk feed table successively passed through, the guide wheel that tests the speed, pressure guide wheel, traction positioning guide wheel device, rewinding disk, it is characterised in that: surveying
It is additionally provided with dielectric heating oven between fast guide wheel and pressure guide wheel, is additionally provided between traction positioning guide wheel device and rewinding disk
Deformation block；The heating temperature of the dielectric heating oven is constant, and temperature range is 800 DEG C~1200 DEG C, the high-frequency heating
Furnace includes furnace chamber and air accumulator, and furnace chamber is connect with air accumulator by heavy caliber ceramic tube, lazy in air accumulator while heating
Property gas is constantly filled in furnace chamber；The deformation block and the contact angle of alloy wire are right angle, and contact site is fillet, fillet half
Diameter is less than 0.5mm, and the alloy wire at the uniform velocity advanced makes alloy wire by the path after deformation block and pass through shape by deformation block
Path before variable block block forms 155 °~175 ° of angle, finally will bend to spiral shape by the alloy wire of traction positioning
State.
4. the device of the method according to claim 3 for generating alloy wire Wiegand effect, it is characterised in that: the positioning is led
Wheel apparatus is made of several idler wheels, and the number of idler wheel is odd number and arranges at equidistant that each idler wheel is equipped with and alloy wire
The similar groove of diameter, the direction of axis line of positioning guide wheel device are distributed at least three idler wheel, and alloy wire is successively bypassed in Curved
The outer circle of idler wheel cuts portion.
5. the device of the method according to claim 3 for generating alloy wire Wiegand effect, it is characterised in that: rewinding wheel 7
Diameter is 2~4 times of spiral shell diameter under alloy wire spiral status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050839.5A CN105618636B (en) | 2016-01-25 | 2016-01-25 | Method and device for generating alloy wire wiegand effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050839.5A CN105618636B (en) | 2016-01-25 | 2016-01-25 | Method and device for generating alloy wire wiegand effect |
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| Publication Number | Publication Date |
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| CN105618636A CN105618636A (en) | 2016-06-01 |
| CN105618636B true CN105618636B (en) | 2018-12-28 |
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| CN107764352B (en) * | 2017-10-16 | 2019-12-31 | 南京艾驰电子科技有限公司 | Passive flow monitoring device and method |
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| JPS59166622A (en) * | 1983-03-11 | 1984-09-20 | Sumitomo Metal Ind Ltd | Preparation of rod steel and wire material having spheroidized structure |
| CN100423894C (en) * | 2006-09-01 | 2008-10-08 | 南京艾驰电子科技有限公司 | New technique for molding magnetic bi-stable alloy wire, and processing equipment |
| CN200942419Y (en) * | 2006-09-01 | 2007-09-05 | 南京艾驰电子科技有限公司 | Magnetic bistability alloy wire continuous twisting processing equipment |
| DE102009016768B3 (en) * | 2009-04-07 | 2010-09-23 | Wafios Ag | Spring manufacturing machine |
| CN102198480B (en) * | 2010-03-26 | 2013-04-10 | 盐城海旭数控装备有限公司 | High-accuracy numerical control eight-axle helical compression spring former |
| JP5756609B2 (en) * | 2010-07-30 | 2015-07-29 | 日本発條株式会社 | Coil spring manufacturing equipment |
| CN102430669B (en) * | 2011-12-14 | 2014-05-21 | 新疆鼎力矿山设备制造有限公司 | Manufacture method and device for steel wire spiral filaments |
| CN102626761B (en) * | 2012-01-04 | 2014-06-04 | 杭州钱江弹簧有限公司 | Torsion spring forming process |
| CN204686404U (en) * | 2015-04-14 | 2015-10-07 | 杭州新智远数控设备有限公司 | Key chain loop device |
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