CN110132456A - A kind of polyurea anti-corrosion antiknock magnetic flux transducer and preparation method thereof - Google Patents
A kind of polyurea anti-corrosion antiknock magnetic flux transducer and preparation method thereof Download PDFInfo
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- CN110132456A CN110132456A CN201910434559.8A CN201910434559A CN110132456A CN 110132456 A CN110132456 A CN 110132456A CN 201910434559 A CN201910434559 A CN 201910434559A CN 110132456 A CN110132456 A CN 110132456A
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- 229920002396 Polyurea Polymers 0.000 title claims abstract description 97
- 230000004907 flux Effects 0.000 title claims abstract description 66
- 238000005260 corrosion Methods 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000010410 layer Substances 0.000 claims abstract description 61
- 239000000853 adhesive Substances 0.000 claims abstract description 47
- 230000001070 adhesive effect Effects 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000012790 adhesive layer Substances 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 239000003822 epoxy resin Substances 0.000 claims abstract description 11
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims description 36
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 8
- -1 synvaren Substances 0.000 claims description 8
- 238000005422 blasting Methods 0.000 claims description 7
- 235000013877 carbamide Nutrition 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 7
- 239000003973 paint Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 239000004416 thermosoftening plastic Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229920001651 Cyanoacrylate Polymers 0.000 claims description 2
- 230000002421 anti-septic effect Effects 0.000 abstract description 4
- 230000006378 damage Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- IJVRPNIWWODHHA-UHFFFAOYSA-N 2-cyanoprop-2-enoic acid Chemical compound OC(=O)C(=C)C#N IJVRPNIWWODHHA-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- AFVLVVWMAFSXCK-VMPITWQZSA-N alpha-cyano-4-hydroxycinnamic acid Chemical group OC(=O)C(\C#N)=C\C1=CC=C(O)C=C1 AFVLVVWMAFSXCK-VMPITWQZSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 150000004291 polyenes Chemical class 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/12—Measuring force or stress, in general by measuring variations in the magnetic properties of materials resulting from the application of stress
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
A kind of polyurea anti-corrosion antiknock magnetic flux transducer, including spool, the coil being wrapped in outside spool, outer sleeve, the data line being connect across outlet baffle with coil, gap between the coil and outer sleeve is perfused with epoxy resin, one layer of adhesive layer has been respectively coated in the outer surface of spool, outer sleeve, one layer of polyurea layer is coated with outside adhesive layer, the exit outer surface of the data line is also coated with one layer of adhesive layer, and one layer of polyurea layer is coated with outside adhesive layer.The material for constituting the polyurea layer is polyurea materials, with a thickness of 500~2000 μm；The material for constituting the adhesive layer is and data line, and spool and polyurea layer all have the adhesive or coating of cohesive force, with a thickness of 20~60 μm.The polyurea anti-corrosion antiknock magnetic flux transducer has novel polyurea anti-corrosion system, can greatly improve the whole antiseptic property and the capability of antidetonance of magnetic flux transducer, prolong its service life, expand the application environment range of magnetic flux transducer, production method is simple.
Description
Technical field
The present invention relates to a kind of bridge cable Suo Li detection in building monitoring field, monitoring device, especially a kind of polyureas
Anti-corrosion antiknock magnetic flux transducer and preparation method thereof.
Background technique
Magnetic flux transducer is widely used in the stress measurement of drag-line and presstressed reinforcing steel, escorts shield for the safe operation of bridge
Boat, the design life of drag-line were required not less than 30 years, and magnetic flux transducer would generally damage in advance because of device corrosion
It is bad, huge challenge is brought for the later period operation maintenance of bridge；Currently, chromium plating and perfusion ring is usually used in magnetic flux transducer
Oxygen glue carries out anti-corrosion protection and is also easy to produce gap since the protective case caking property of epoxy glue and data line is poor, cannot play expection
Sealing function；Sensor, which is in complicated engineering-environment, to work, these anti-corrosion materials are also easy to that hydrothermal aging occurs, become
It is broken；In addition, magnetic flux transducer will undergo several process from producing to installing, colliding with for sensor not can avoid, handling process
In phenomena such as causing chrome layer to be scratched happen occasionally, it is difficult to guarantee the intact of erosion resistant coating；Once anti-corrosion material is damaged, anti-corrosion body
System will fail, and the aqueous vapor in environment will enter sensor internal, destroy device, shorten the service life of sensor.
Summary of the invention
It is an object of the invention to: a kind of polyurea anti-corrosion antiknock magnetic flux transducer is provided, the polyurea anti-corrosion antiknock magnetic flux
Quantity sensor has novel polyurea anti-corrosion system, can be improved the whole antiseptic property and the capability of antidetonance of magnetic flux transducer,
It prolongs its service life, expands the application environment range of magnetic flux transducer, it is anti-preferably to overcome existing magnetic flux transducer
The shortcoming of rotten system, invention also provides the production methods of the polyurea anti-corrosion antiknock magnetic flux transducer.
The technical solution to solve the above problems is: a kind of polyurea anti-corrosion antiknock magnetic flux transducer, including spool, coil,
Outer sleeve, data line, the coil are wrapped in outside spool, and the data line passes through outlet baffle and connect with coil, the line
Gap between circle and outer sleeve is perfused with epoxy resin, it is characterised in that: has been respectively coated in the outer surface of spool, outer sleeve
One layer of adhesive layer, adhesive layer are coated with one layer of polyurea layer outside, and the exit outer surface of the data line is also coated with one layer of bonding
Layer, adhesive layer are coated with one layer of polyurea layer outside.
A kind of further technical solution of polyurea anti-corrosion antiknock magnetic flux transducer is: constituting the polyurea layer
Material is polyurea materials, including pure polyurea materials or half polyurea materials；It is with a thickness of 500~2000 μm.
A kind of further technical solution of polyurea anti-corrosion antiknock magnetic flux transducer is: constituting the adhesive layer
Material be and data line that spool and polyurea layer all have an adhesive or coating of cohesive force, including it is epoxyn, poly-
Urethane adhesive, synvaren, acrylate resin, alpha-cyanacrylate adhesive, rubber based adhesives,
One or more of organic siliconresin glue adhesive agent, thermoplastic adhesive or polyolefin adhesive, the thickness of adhesive layer
It is 20~60 μm.
A kind of further technical solution of polyurea anti-corrosion antiknock magnetic flux transducer is: the outer sleeve is
Metal material, including steel, aluminium or aluminium alloy, surface roughness are not less than Ra2.5 grades.
It is relevant another solution is that a kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer, it is this hair
A kind of bright above-mentioned production method of polyurea anti-corrosion antiknock magnetic flux transducer, preparation process the following steps are included:
A, base treatment
A1, the processing to outer sleeve:
A11, the overlap by the outer sleeve weld seam of magnetic flux transducer, welding slag, splash polish off, and remove the oil of metal surface
The sundries such as rouge, greasy dirt；
A12, blasting treatment is carried out to the outer sleeve that above-mentioned A11 step obtains to Ra2.5 grades or more, clean bottom after blasting treatment is complete
Material completely removes the sundries such as grease, the corrosion spot on metal surface, and removes dust；
A2, the processing to spool and data line:
With the surface of alcohol or acetone wiping spool and data line, the pollutants such as the moisture, grease, dust on surface are removed, with dry
Net cloth wipes clean all residues, makes surface cleaning, drying；
B, coiling:
Coil will be wrapped in spool surface according to a conventional method；
C, sensor is assembled:
Data line is connect with coil, then the spool for being wound with coil is put into outer sleeve；
D, infusion epoxy resin:
To the sensor infusion epoxy resin that step C obtains, the gap between coil and outer sleeve is filled；
E, spraying and adhesive bonding layer:
It selects adhesive or coating as bonding layer material, is sprayed on the surface of spool and data line after A2 step process
Adhesive or coating, thickness control are 20~60 μm；
F, spray polyurea layer:
In 12-48 hours, polyurea layer spraying is carried out after the construction of E step；The carbamide paint of polyurea layer is constituted by two kinds of components of A, B
Composition, using spraying device special to carbamide paint temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials
Carry out spraying application；
F1, spraying conditions are determined: adjusts the running parameter of spraying equipment, 1900~2100Psi of spray pressure, spraying temperature 60~
It 70 DEG C, is sprayed after discharging and stablizing；
F2, spraying magnetic flux transducer bottom surface: the lower half portion including magnetic flux transducer outer sleeve bottom and spool, polyurea layer
Thickness control is 500~2000 μm；
F3, the spraying of spraying magnetic flux transducer front, the upper half of data line, outer sleeve and spool including magnetic flux transducer
Point, polyurea layer thickness control is 500~2000 μm.
A kind of further technical solution of the production method of polyurea anti-corrosion antiknock magnetic flux transducer is: in E, spraying
Adhesive layer step, the material sprayed be and data line, and spool and polyurea layer all have the adhesive or coating of cohesive force, including
Epoxyn, polyurethane adhesive, synvaren, acrylate resin, a-cyanoacrylate glue
One of stick, rubber based adhesives, organic siliconresin glue adhesive agent, thermoplastic adhesive or polyolefin adhesive are several
Kind.
Due to taking above structure, " a kind of polyurea anti-corrosion antiknock magnetic flux transducer and preparation method thereof " tool of the present invention
Have it is following the utility model has the advantages that
One, the whole antiseptic property and the capability of antidetonance that can greatly improve magnetic flux transducer, prolong its service life, expand
The application environment range of magnetic flux transducer:
1, in a kind of spool 1 of polyurea anti-corrosion antiknock magnetic flux transducer of invention, the outer surface spray polyurea coating of outer sleeve 3
The polyurea layer of formation is by magnetic flux transducer tight, so that magnetic flux transducer internal components and extraneous corrosive environment are complete
Isolation；Due to the following characteristic of polyurea materials, the whole antiseptic property and the capability of antidetonance of magnetic flux transducer are greatly improved,
It prolongs its service life:
1. polyureas is a kind of elastomeric material, has the characteristics that intensity is high, tearing strength is high, resistance to ag(e)ing is strong, adhesive force is high, make
The destruction that polyurea anti-corrosion antiknock magnetic flux transducer is not easily susceptible to corrosive medium in working environment is obtained, can be prolonged its service life.
2. polyurea materials wearability is strong, impact resistance is strong, the wearability of polyurea anti-corrosion antiknock magnetic flux transducer is improved
And impact resistance, the damage of colliding in transport work progress can be effectively avoided, the reliability of entire protective system and durable is promoted
Property.
3. polyurea materials have anti-knock properties, polyureas and the composite construction anti-knock properties that metal material is constituted are good, expand magnetic
The application environment range of flux sensor.
2, adhesive layer is sprayed using on the surface of data line and spool, outer sleeve carries out the preparation process of blasting treatment, increases
Cohesive force between strong polyureas and each component, improves the leakproofness of entire protective system.
Two, a kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer of the present invention has easy to operate, production effect
Rate is high, safe and reliable feature, the product coating smooth outer surface prepared, continuous seamless.
With reference to the accompanying drawings and examples to " a kind of polyurea anti-corrosion antiknock magnetic flux transducer and its production side of the present invention
Method " technical characteristic be described further.
Detailed description of the invention
FIG. 1 to FIG. 3 is a kind of polyurea anti-corrosion antiknock magnetic flux transducer structural schematic diagram；
Fig. 1 is front sectional view, and Fig. 2 is the portion the A enlarged drawing of Fig. 1,
Fig. 3 is the B partial enlarged view of Fig. 1；
Fig. 4 is that adhesive layer process schematic representation is sprayed in a kind of polyurea anti-corrosion antiknock magnetic flux transducer production method；
Fig. 5~Fig. 6 is spray polyurea layer process schematic diagram in a kind of polyurea anti-corrosion antiknock magnetic flux transducer production method；
Fig. 5 is to polyurea anti-corrosion antiknock magnetic flux transducer bottom surface spray polyurea material；
Fig. 6 is to polyurea anti-corrosion antiknock magnetic flux transducer front spray polyurea material.
In figure:
1- spool, 2- coil, 3- outer sleeve, 4-polyurea layers, 5- adhesive layer, 6- data line, 7- outlet baffle, 8- epoxy resin,
9- exhaust fan, 10- paint spraying apparatus, 11- conveyer belt, 12- polyureas spraying equipment；C- direction of belt travel.
Specific embodiment
Embodiment one:
A kind of polyurea anti-corrosion antiknock magnetic flux transducer:
As shown in Figure 1-Figure 3, which includes spool 1, coil 2, outer sleeve 3 and data line 6,
The coil 2 is wrapped in 1 outside of spool, and the data line 6 passes through outlet baffle 7 and connect with coil 2, in coil 2 and outer sleeve 3
Between gap be perfused with epoxy resin 8, one layer of adhesive layer 5, adhesive layer has been respectively coated in the outer surface of spool 1, outer sleeve 3
It is coated with one layer of polyurea layer 4 outside, the exit outer surface of the data line 6 is also coated with one layer of adhesive layer 5, coats outside adhesive layer
There is one layer of polyurea layer 4.
The material for constituting the polyurea layer 4 is polyurea materials, including pure polyurea materials or half polyurea materials；Its with a thickness of
500~2000 μm.
Constitute the adhesive layer 5 material be with data line 6, adhesive all with cohesive force of spool 1 and polyurea layer 4 or
Coating, including epoxyn, polyurethane adhesive, synvaren, acrylate resin, alpha-cyano
In acrylate adhesive, rubber based adhesives, organic siliconresin glue adhesive agent, thermoplastic adhesive or polyolefin adhesive
One or more, adhesive layer 5 with a thickness of 20~60 μm.
The outer sleeve 3 is metal material including steel, aluminium, aluminium alloy, and surface roughness is not less than Ra2.5 grades.
Embodiment two:
A kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer.
It is a kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer, preparation process described in embodiment one
The following steps are included:
A, base treatment
A1, the processing to outer sleeve 3:
A11, the overlap by 3 weld seam of outer sleeve of magnetic flux transducer, welding slag, splash polish off, and remove metal surface
The sundries such as grease, greasy dirt；
A12, blasting treatment is carried out to the outer sleeve 3 that above-mentioned A11 step obtains to Ra2.5 grades or more, clean after blasting treatment is complete
Ground completely removes the sundries such as grease, the corrosion spot on metal surface, and removes dust；
A2, the processing to spool 1 and data line 6:
With the surface of alcohol or acetone wiping spool 1 and data line 6, the pollutants such as the moisture, grease, dust on surface are removed, are used
Clean cloth wipes clean all residues, makes surface cleaning, drying；
B, coiling:
Coil 2 will be wrapped in 1 surface of spool according to a conventional method；
C, sensor is assembled:
Data line 6 is connect with coil 2, then the spool 1 for being wound with coil is put into outer sleeve 3；
D, infusion epoxy resin:
To the sensor infusion epoxy resin 8 that step C obtains, the gap between coil 2 and outer sleeve 3 is filled；
E, spraying and adhesive bonding layer:
Select adhesive or coating as 5 material of adhesive layer, on the surface of spool 1 and data line 6 after A2 step process
Adhesive for spraying or coating, thickness control are 20~60 μm；
F, spray polyurea layer:
After the construction of E step in 12-48 hours, carries out polyurea layer 4 and spray；The carbamide paint of polyurea layer 4 is constituted by two kinds of groups of A, B
Part composition, using spraying device special to carbamide paint temperature-pressure, raw material is after mixing at nozzle by lance ejection polyureas material
Material carries out spraying application；
F1, spraying conditions are determined: adjusts the running parameter of spraying equipment, 1900~2100Psi of spray pressure, spraying temperature 60~
It 70 DEG C, is sprayed after discharging and stablizing；
F2, spraying magnetic flux transducer bottom surface: the lower half portion including magnetic flux transducer outer sleeve 3 bottom and spool 1, polyureas
4 thickness control of layer are 500~2000 μm；
F3, spraying magnetic flux transducer front spraying, data line 6, outer sleeve 3 and spool 1 including magnetic flux transducer it is upper
Half part, 4 thickness control of polyurea layer are 500~2000 μm.
In E, spraying and adhesive bonding layer step, the material sprayed is all to have cohesive force with data line 6, spool 1 and polyurea layer 4
Adhesive or coating, including epoxyn, polyurethane adhesive, synvaren, polyacrylate gluing
Agent, alpha-cyanacrylate adhesive, rubber based adhesives, organic siliconresin glue adhesive agent, thermoplastic adhesive or polyene
One or more of hydrocarbon adhesive.
Claims (6)
1. a kind of polyurea anti-corrosion antiknock magnetic flux transducer, including spool (1), coil (2), outer sleeve (3), data line (6), institute
It states coil (2) to be wrapped in outside spool (1), the data line (6) passes through outlet baffle (7) and connect with coil (2), the coil
(2) gap between outer sleeve (3) is perfused with epoxy resin (8), it is characterised in that: spool (1), outer sleeve (3) it is outer
One layer of adhesive layer (5) has been respectively coated in surface, and one layer of polyurea layer (4), the exit of the data line (6) are coated with outside adhesive layer
Outer surface is also coated with one layer of adhesive layer (5), and one layer of polyurea layer (4) is coated with outside adhesive layer.
2. a kind of polyurea anti-corrosion antiknock magnetic flux transducer according to claim 1, it is characterised in that: constitute the polyureas
The material of layer (4) is polyurea materials, including pure polyurea materials or half polyurea materials；It is with a thickness of 500~2000 μm.
3. a kind of polyurea anti-corrosion antiknock magnetic flux transducer according to claim 1 or 2, it is characterised in that: described in composition
The material of adhesive layer (5) is to wrap with data line (6), spool (1) and polyurea layer (4) all with the adhesive or coating of cohesive force
Include epoxyn, polyurethane adhesive, synvaren, acrylate resin, a-cyanoacrylate
One of adhesive, rubber based adhesives, organic siliconresin glue adhesive agent, thermoplastic adhesive or polyolefin adhesive or
It is several, adhesive layer (5) with a thickness of 20~60 μm.
4. a kind of polyurea anti-corrosion antiknock magnetic flux transducer according to claim 3, it is characterised in that: the outer sleeve
It (3) is metal material, including steel, aluminium or aluminium alloy, surface roughness is not less than Ra2.5 grades.
5. a kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer, it is characterised in that: it is one kind described in claim 1
The production method of polyurea anti-corrosion antiknock magnetic flux transducer, preparation process the following steps are included:
A, base treatment
A1, the processing to outer sleeve (3):
A11, the overlap by outer sleeve (3) weld seam of magnetic flux transducer, welding slag, splash polish off, and remove metal surface
The sundries such as grease, greasy dirt；
A12, blasting treatment is carried out to the outer sleeve (3) that above-mentioned A11 step obtains to Ra2.5 grades or more, after blasting treatment is complete clearly
Clean ground completely removes the sundries such as grease, the corrosion spot on metal surface, and removes dust；
A2, the processing to spool (1) and data line (6):
With alcohol or the surface of acetone wiping spool (1) and data line (6), the pollution such as the moisture, grease, dust on surface is removed
Object wipes clean all residues with clean cloth, makes surface cleaning, drying；
B, coiling:
Coil (2) will be wrapped in spool (1) surface according to a conventional method；
C, sensor is assembled:
Data line (6) is connect with coil (2), then the spool (1) for being wound with coil is put into outer sleeve (3)；
D, infusion epoxy resin:
To the sensor infusion epoxy resin (8) that step C obtains, the gap between coil (2) and outer sleeve (3) is filled；
E, spraying and adhesive bonding layer:
Select adhesive or the coating as adhesive layer (5) material, in the spool (1) and data line (6) after A2 step process
Adhesive for spraying or coating on surface, thickness control are 20~60 μm；
F, spray polyurea layer:
After the construction of E step in 12-48 hours, polyurea layer (4) spraying is carried out；The carbamide paint of polyurea layer (4) is constituted by A, B two
Kind component composition, using spraying device special to carbamide paint temperature-pressure, raw material is gathered after mixing at nozzle by lance ejection
Urea material carries out spraying application；
F1, spraying conditions are determined: adjusts the running parameter of spraying equipment, 1900~2100Psi of spray pressure, spraying temperature 60~
It 70 DEG C, is sprayed after discharging and stablizing；
F2, spraying magnetic flux transducer bottom surface: the lower half portion including magnetic flux transducer outer sleeve (3) bottom and spool (1),
Polyurea layer (4) thickness control is 500~2000 μm；
F3, the spraying of spraying magnetic flux transducer front, data line (6), outer sleeve (3) and spool including magnetic flux transducer
(1) top half, polyurea layer (4) thickness control are 500~2000 μm.
6. a kind of production method of polyurea anti-corrosion antiknock magnetic flux transducer according to claim 5, it is characterised in that: E,
Spraying and adhesive bonding layer step, the material sprayed be with data line (6), spool (1) and polyurea layer (4) are all with the gluing of cohesive force
Agent or coating, including epoxyn, polyurethane adhesive, synvaren, acrylate resin, α-
Cyanacrylate adhesive, rubber based adhesives, organic siliconresin glue adhesive agent, thermoplastic adhesive or polyolefin gluing
One or more of agent.
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| CN201910434559.8A CN110132456A (en) | 2019-05-23 | 2019-05-23 | A kind of polyurea anti-corrosion antiknock magnetic flux transducer and preparation method thereof |
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| CN201910434559.8A CN110132456A (en) | 2019-05-23 | 2019-05-23 | A kind of polyurea anti-corrosion antiknock magnetic flux transducer and preparation method thereof |
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| CN110132456A true CN110132456A (en) | 2019-08-16 |
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Cited By (1)
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| CN114192294A (en) * | 2021-12-08 | 2022-03-18 | 江苏安卡新材料科技有限公司 | Adhesive application for improving polyurea spraying quality |
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Application publication date: 20190816 |