CN110000619A - Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment - Google Patents
Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment Download PDFInfo
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- CN110000619A CN110000619A CN201910183002.1A CN201910183002A CN110000619A CN 110000619 A CN110000619 A CN 110000619A CN 201910183002 A CN201910183002 A CN 201910183002A CN 110000619 A CN110000619 A CN 110000619A
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- magnetorheological glue
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- 239000003292 glue Substances 0.000 title claims abstract description 110
- 238000000227 grinding Methods 0.000 title claims abstract description 100
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims abstract description 82
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000000806 elastomer Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 claims abstract description 13
- 239000011246 composite particle Substances 0.000 claims abstract description 9
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 229910052624 sepiolite Inorganic materials 0.000 claims description 26
- 235000019355 sepiolite Nutrition 0.000 claims description 26
- 239000006249 magnetic particle Substances 0.000 claims description 15
- 239000004113 Sepiolite Substances 0.000 claims description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000872 buffer Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- 238000000518 rheometry Methods 0.000 claims description 9
- 244000043261 Hevea brasiliensis Species 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 229920003052 natural elastomer Polymers 0.000 claims description 7
- 229920001194 natural rubber Polymers 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 229910052582 BN Inorganic materials 0.000 claims description 6
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000006071 cream Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 5
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910017389 Fe3N Inorganic materials 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- -1 iron carbonyl Powder Inorganic materials 0.000 claims description 3
- 239000002480 mineral oil Substances 0.000 claims description 3
- 235000010446 mineral oil Nutrition 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000004636 vulcanized rubber Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 229940087654 iron carbonyl Drugs 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 229910000601 superalloy Inorganic materials 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 19
- 238000001816 cooling Methods 0.000 description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000000306 component Substances 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920002545 silicone oil Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011324 bead Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- WKPSFPXMYGFAQW-UHFFFAOYSA-N iron;hydrate Chemical compound O.[Fe] WKPSFPXMYGFAQW-UHFFFAOYSA-N 0.000 description 2
- 239000011553 magnetic fluid Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical class [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/005—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/18—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor with cooling provisions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
- B24D13/20—Mountings for the wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
- C08L7/02—Latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses micro- texture flexible abrasive wheel of a kind of magnetorheological glue and preparation method thereof and grinding attachments, belong to magnetorheological glue grinding and grinding wheel manufacturing technology field, magnetorheological glue includes following component by mass parts: 25 parts -45 parts of composite particles, 20 parts -40 parts of carrier fluid, 30 parts -50 parts of SEBS elastomer particles；The micro- texture grinding wheel of magnetorheological glue includes the internal magnetorheological glue rubber ring and the micro- texture grinding wheel of rubber-based for being filled with magnetorheological glue, grinding wheel and grinding attachment provided by the invention can effectively solve the problems, such as that the grinding force being easy to appear in existing nickel base superalloy Grinding Process is big, grinding temperature is excessively high and influences workpiece quality.
Description
Technical field
The invention belongs to the processing of magnetic field assistant grinding and grinding wheel manufacturing technology fields, and in particular to a kind of magnetorheological glue is micro- to knit
Structure flexible abrasive wheel and preparation method thereof and grinding attachment.
Background technique
Nickel base superalloy has elevated temperature strength more superior than conventional high-temperature alloy and creep resistance, uses extensively in recent years
In four big hot-end components of manufacture aero-engine and gas turbine, i.e. combustion chamber, the turbine disk, turbo blade and guide vane.
Core component of the blade as engine accounts for the half or so of entire aero-engine workload, be in for a long time high temperature, high pressure,
High revolving speed and high load capacity environment become operating condition aviation part the most severe, there is the military service performance of aero-engine to pass
Important influence.The shapes of high-temperature alloy blades and dimensional accuracy, surface integrity are to the high temperature resistance of blade, antifatigue strong
The military services performance such as degree, corrosion resistance has considerable influence, is that meet the high thrust ratio of modern aeroengine, high safety reliable
One of the important leverage of property.
Since nickel base superalloy has the material properties such as intensity is high, high-temp plastic is good, thermal conductivity is low, and there is complexity
The thin-wall construction of inner cooling channel, and traditional Grinding Process medium plain emery wheel and workpiece are rigid contact, therefore excessive grinding force
It is easy to cause hollow slim blade to generate micro-crack, excessively high grinding temperature is easy to generate thermal burn, serious shadow in blade surface
Ring the processing quality of blade workpiece.
Therefore, how a kind of flexible abrasive wheel suitable for hollow slim blade grinding processing is provided, both can avoid grinding force
Excessive problem, and grinding temperature can be reduced, it is current blade of aviation engine manufacturing firm urgent problem.
Summary of the invention
It is controllable that the present invention provides the magnetorheological glue that a kind of magnetic rheology effect is obvious, controllability is good, performance is stable, grinding force
Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment solve existing hollow slim blade grinding process
In the grinding force that is easy to appear is big, grinding temperature is excessively high and the problem of influencing workpiece quality.
The first object of the present invention is to provide a kind of magnetorheological glue, and the magnetorheological glue includes following component by mass parts:
25 parts -45 parts of composite particles, 20 parts -40 parts of carrier fluid, 30 parts -50 parts of SEBS elastomer particles.
Magnetorheological glue provided by the invention is further arranged to, and the magnetorheological glue includes following component by mass parts: institute
State 40 parts of composite particles；The carrier fluid is 25 parts；The SEBS elastomer particles are 35 parts.
The composite particles are prepared using modified meerschaum as kernel by shell of magnetic-particle；The modified Hai Pao
Stone and the magnetic-particle mass parts ratio are 10 parts -20 parts: 15 parts -25 parts.The modification of the sepiolite first passes through hydrochloric acid to sea
Afrodite carry out it is acidified modified, later be added sodium hydroxide in and hydrochloric acid.Common sepiolite can be to its internal junction after peracid treatment
Structure causes internal cavities to increase into destruction, and the magnetic-particle and sepiolite fibre in magnetorheological glue can more fully mutually
Composite construction is permeated and formed, its deflocculation deposition capability can be further enhanced.Simultaneously because magnetorheological gluing of the invention
It spends larger, further enhances whole stability.
Magnetorheological glue provided by the invention is further arranged to, and the magnetorheological glue includes following component by mass parts: institute
Stating magnetic-particle is 15 parts；The carrier fluid is 25 parts；The modified meerschaum is 25 parts；The SEBS elastomer particles are 35
Part.
Magnetorheological glue provided by the invention is further arranged to, the magnetic-particle be MnZn ferrite, hydroxy iron powder,
Fe3O4、Fe3N, one of Fe, Co, Ni or a variety of.
Magnetorheological glue provided by the invention is further arranged to, and the carrier fluid is mineral oil or synthetic oil or water；The load
Liquid further includes silica gel or polyether-based.
The second object of the present invention is to provide a kind of micro- texture flexible abrasive wheel of magnetorheological glue comprising: at least one magnetic field
Generator, for providing magnetic field used in magnetic rheology effect；The micro- texture grinding wheel of at least one rubber-based, the micro- texture of rubber-based
At least one accommodation space is equipped in grinding wheel；At least one magnetorheological glue rubber ring, is set in the accommodation space, the magnetic
Magnetorheological glue as described above is filled in rheology glue rubber ring.
The micro- texture flexible abrasive wheel of magnetorheological glue provided by the invention is further arranged to, and the magnetic field generator includes coil
Winding and cylindrical base.
The micro- texture flexible abrasive wheel of magnetorheological glue provided by the invention is further arranged to, and the magnetorheological glue rubber ring also wraps
Include tight loop, thermal insulation board, triangular rubber core, inner cushion layer, casing ply, buffer layer and rubber outer.
The micro- texture flexible abrasive wheel of magnetorheological glue provided by the invention is further arranged to, and the micro- texture grinding wheel of rubber-based is pressed
Mass parts include following component: natural rubber cream accounts for 60 parts -70 parts, and 10 parts -20 parts of epoxy resin, boron nitride accounts for 15 parts -25 parts,
Coagulator and antiaging agent account for 5 parts -10 parts.
The third object of the present invention is to provide a kind of preparation method of micro- texture flexible abrasive wheel of magnetorheological glue, the method packet
Include following steps:
Step 1: prepared by coiling electromagnet;
Step 2: prepared by magnetorheological glue；SEBS elastomer particles are added step-wise in carrier fluid first, and are kept stirring, to it
It is evenly dispersed be suspended in carrier fluid after, then the fibrous modified meerschaum of 1-4 μm of partial size is added step-wise in carrier fluid, then by same
The MnZn ferrite of 1 μm of partial size is added in quadrat method, and MnZn ferrite, in sepiolite surface, and is suspended in carrier fluid by uniform adsorption
In.
Step 3: prepared by magnetorheological glue rubber ring；Magnetorheological glue is injected into inner cushion layer and carries out encapsulation process, is then arranged
On the outside of thermal insulation board, tight loop and triangular rubber core are then installed on casing ply, then casing ply is set on the outside of electromagnet
Groove in, be finally bonded casing ply installation buffer layer and rubber outer.
Step 4: the micro- texture grinding wheel of rubber-based is hot-forming and installs；By natural rubber cream, the asphalt mixtures modified by epoxy resin of said ratio
Rouge, boron nitride, coagulator and antiaging agent stir evenly, and are subsequently poured into mold and carry out hot-forming, hot pressing temperature 60-80
DEG C, then the micro- texture grinding wheel of the strip rubber-based of acquisition is fixed on the sizing annulus equal with rubber outer outer diameter, is sent into
The incubator that temperature is 250-350 DEG C vulcanizes 10-14 hours, and the micro- texture grinding wheel of the vulcanized rubber base of acquisition is finally pasted on rubber
Outer layer obtains the micro- texture flexible abrasive wheel of magnetorheological glue.
The fourth object of the present invention is to provide a kind of magnetorheological glue grinding attachment, using magnetorheological glue as described above and
The micro- texture flexible abrasive wheel of magnetorheological glue as described above carries out grinding, and the micro- texture flexible abrasive wheel of magnetorheological glue passes through sand
Wheel shaft is connected with high precision numerical control grinding machine spindle.
Magnetorheological glue grinding attachment provided by the invention is further arranged to, and the grinding wheel spindle is hollow shaft, described hollow
Axis is connected by rotary joint with cooling recirculation system, sets refrigerant channel in the hollow shaft, the runner with it is described magnetorheological
The connection of glue rubber ring.The grinding wheel spindle is hollow shaft, and both ends are hollow, but are not connected to, and the hollow shaft both ends are separately connected import
Rotary joint and inlet tube, outlet rotary joint and outlet tube, inlet tube and outlet tube respectively with the recycling of cooling recirculation system
Storehouse is connected, and refrigerant channel is set in the hollow shaft, the refrigerant channel is all the way and in the micro- texture flexible abrasive wheel of the magnetorheological glue
Inbuilt first cooling tube in portion is connected, and for giving grinding wheel heat dissipation, another way and is set to the second cooling tube in the thermal insulation board
It is connected, for radiating to coil windings.
Magnetorheological glue grinding attachment provided by the invention is further arranged to, and the grinding wheel is by being set in refrigerant channel
And the sealing sleeve pipe being connected with axis, by the lateral septal open form of refrigerant channel at flowing magnetic rheological liquid or magnetorheological glue
Exocoel, while exocoel being connected to through the grinding wheel with internal magnetorheological glue rubber ring inner space by extension tube attached, it is used for
Replace magnetorheological glue or magnetic rheological liquid.
It is additionally provided with adjusting nut in extension tube attached, is adjusted by the position of adjusting nut, it can be with local improvement rubber base grinding wheel
Radial shape and outer diameter be adjusted, while the axial direction of grinding wheel is supported and is clamped.
Hollow shaft both ends are respectively equipped with double medium inlet rotary joints and double media outlet rotary joints, with magnetorheological liquid pipe
Double medium inlet tubes with refrigerant pipe, double medium outlet tubes with magnetorheological liquid pipe and refrigerant pipe.
Beneficial effect
The controllable magnetic of a kind of that the present invention provides magnetic rheology effects is obvious, controllability is good, performance is stable magnetorheological glue, grinding force
Micro- texture flexible abrasive wheel of rheology glue and preparation method thereof and grinding attachment, have the advantage that
It (1) is rigid contact between grinding wheel and workpiece, the present invention is changed by viscoelastic magnetorheological glue in traditional grinding process
Contact conditions between kind grinding wheel and workpiece, realize the Elastic Contact of grinding wheel and workpiece, and can play a buffer role in, and can effectively subtract
Damage of the small larger grinding force to workpiece.
(2) present invention uses coiling electromagnet, adjusts magnetic field strength by changing coil current size, influences inner cushion layer
The Viscous Elastic Mechanics parameter of interior magnetorheological glue, so as to realize the regulation of grinding force.
(3) present invention prepares the micro- texture grinding wheel of rubber-based using hot-press molding method, and the preparation effect of grinding wheel can be improved
Rate and preparation quality, and reduce cost.
(4) micro- texture structure of the micro- texture wheel face of rubber-based can reduce grinding temperature.
(5) can be equipped with coolant flow channel inside the micro- texture grinding wheel of rubber-based, refrigerant channel by the grinding wheel spindle of hollow setting with
Rotary joint is connected with extraneous cooling system, can effectively reduce grinding temperature.
(6) it can be also equipped with magnetorheological glue runner inside the micro- texture grinding wheel of rubber-based, magnetorheological glue is carried out with can be convenient
Replacement, prevents magnetorheological glue quality and influences grinding quality.
(7) composite particles formed using modified meerschaum and magnetic-particle, the stability of magnetorheological glue are more preferable.
Detailed description of the invention
Fig. 1 is a kind of example structure schematic diagram of the invention.
Fig. 2 is the partial enlarged view in the section Fig. 1.
Fig. 3 is the embodiment of the present invention top view.
Fig. 4 is the hot-forming schematic diagram of the micro- texture grinding wheel of rubber-based.
Fig. 5 is the stereoscopic schematic diagram of the micro- texture flexible abrasive wheel of magnetorheological glue.
Fig. 6 is the coolant flow channel schematic diagram of grinding wheel.
Fig. 7 is double medium runner schematic diagrames of grinding wheel.
Mark in the above figure are as follows: 1, grinding wheel spindle；2, magnetic field generator；21, cylindrical base；22, coil windings；3, magnetic
Rheology glue rubber ring；31, tight loop；32, triangular rubber core；33, thermal insulation board；34, inner cushion layer；35, casing ply；36, magnetorheological glue；
37, buffer layer；38, rubber outer；4, the micro- texture grinding wheel of rubber-based；5, bearing；61, rotary joint is exported；62, import is revolved
Adapter；71, outlet tube；72, inlet tube；81, refrigerant channel；82, exocoel；9, the first cooling tube；91, second is cooling
Pipe；10, extension tube attached；11, grinding machine spindle；12, adjusting nut；13, sealing sleeve pipe；14, upper mold；15, lower mold；16, mold
Sleeve；61-1, double medium rotary joints are exported；The double medium rotary joints of 62-1, entrance；71-1, double medium outlet tubes；72-1,
Double medium inlet tubes；.
Specific embodiment
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
A kind of magnetorheological glue, the magnetorheological glue include following component by mass parts: 25 parts -45 parts of composite particles, 20 parts of carrier fluid -
40 parts, 30 parts -50 parts of SEBS elastomer particles；The composite particles are using modified meerschaum as kernel, using magnetic-particle as shell
It is prepared；The modified meerschaum and the magnetic-particle mass parts ratio are 10 parts -20 parts: 15 parts -25 parts.It is described magnetorheological
Glue includes following component by mass parts: the magnetic-particle is 15 parts；The carrier fluid is 25 parts；The modified meerschaum is 25
Part；The SEBS elastomer particles are 35 parts.Elastomer particles select excellent ageing-resistant performance, elastomeric SEBS thermoplastic elastomehc
Elastomer particles.
The magnetic-particle is MnZn ferrite, hydroxy iron powder, Fe3O4、Fe3N, one of Fe, Co, Ni or a variety of.
It is required for quick response of the magnetic fluid to magnetic field, lower with coercivity in the present embodiment, magnetic conductivity is higher, and demagnetization capability is stronger
MnZn ferrite is as magnetic-particle, and 1-10 μm of grain diameter.
The carrier fluid is mineral oil or synthetic oil or water；In the present embodiment, it is silicone oil that carrier fluid, which uses,.The magnetorheological glue
In further include silica gel or polyether-based.In conjunction with the grinding environment of nickel-based monocrystal blade, intend selection high temperature resistant, the biggish silicone oil of viscosity is made
For carrier fluid.The dispersing agent can be sepiolite, silica gel, polyether-based.For the unsinkability energy for improving magnetic fluid, intend selection specific surface area
Greatly, porosity height, absorption property and the good modified fibre shape sepiolite of suspendability are as dispersing agent.Simultaneously in order to further
Raising dispersibility, acidified modified processing carried out to sepiolite, during specific acidification, using acid mist is first made,
Acid mist is carried out acidification to sepiolite in confined space simultaneously to fumigate, the sepiolite particle after fumigating again later is (by Hai Pao
Stone raw ore crushes) it takes out, it is added to the water washing and sodium hydroxide neutralization is added, drying later simultaneously carries out sepiolite particle
Grind into powder.
When preparing magnetorheological glue, SEBS elastomer particles are added step-wise in silicone oil first, and keeps stirring, to it
It is evenly dispersed be suspended in silicone oil after, then the modified fibre shape sepiolite of 1-4 μm of partial size is added step-wise in silicone oil, then by same
The MnZn ferrite of 1 μm of partial size is added in quadrat method, and MnZn ferrite, in sepiolite surface, and is suspended in silicone oil by uniform adsorption
In.
Embodiment 2
In conjunction with the embodiments 1, a kind of micro- texture flexible abrasive wheel of magnetorheological glue comprising: at least one magnetic field generator 2, for mentioning
For magnetic field used in magnetic rheology effect；The micro- texture grinding wheel 4 of at least one rubber-based, the micro- texture grinding wheel 4 of rubber-based is interior to be equipped at least
One accommodation space；At least one magnetorheological glue rubber ring 3, is set in accommodation space, is filled in magnetorheological glue rubber ring 3
Magnetorheological glue 36 as above.
Magnetic field generator 2 includes coil windings 22 and cylindrical base 21.The electromagnet basis material is also an option that
Pure iron, iron Si system alloy, iron aluminum series alloy, iron silicon aluminum series alloy, nickel iron-based alloy, iron Co-based alloy, soft magnetic ferrite etc. are led
Magnetic material；It, can be with grinding machine tool spindle in the center of cylindrical electromagnet processing connecting hole (must mark out and in figure)
It is attached installation.Electromagnet base shape is hollow cylinder, and internal diameter 5-15mm, outer diameter 30-40mm are highly
10-20mm；Groove is processed in the side of cylindrical electromagnet；The long conducting wire that will insulate is wound in groove clockwise (or counterclockwise)
On, it is enclosed around 50-100, conducting wire both ends reserve the lead of 30-50mm, and are polished wire head with sand paper.
Magnetorheological glue rubber ring 3 further include tight loop 31, thermal insulation board 33, triangular rubber core 32, inner cushion layer 34, casing ply 36,
Buffer layer 37 and rubber outer 38.It is set to the tyre bead at electromagnetism iron ring inside circumference face both ends, plays carrying and fixed function.
Triangular rubber core 32 is filled in rubber layer side.Play the role of supporting side walls, buffers excessive tyre bead and side wall.Section
For triangle.Material is natural rubber.
The main body framework of rubber layer is casing ply, casing ply along bead ring around.Its main function is subject to load, keeps shape
Shape and size make rubber layer have certain intensity.In order to be uniformly distributed load, curtain cloth layer is mostly even number.Material is height
Density nylon.
Buffer layer between casing ply and rubber layer working flank.Buffer layer mitigates impact, effect when preventing from processing
The separation of side and casing ply.Use two layers of cord and the biggish rubber of elasticity.
The micro- texture grinding wheel 4 of rubber-based includes following component by mass parts: natural rubber cream accounts for 60 parts -70 parts, epoxy resin
10 parts -20 parts, boron nitride accounts for 15 parts -25 parts, and coagulator and antiaging agent account for 5 parts -10 parts.
The preparation method of the micro- texture flexible abrasive wheel of magnetorheological glue, method the following steps are included:
Step 1: prepared by coiling electromagnet;
Step 2: prepared by magnetorheological glue, SEBS elastomer particles are added step-wise in carrier fluid first, and keeps stirring, to it
It is evenly dispersed be suspended in carrier fluid after, then the fibrous modified meerschaum of 1-4 μm of partial size is added step-wise in carrier fluid, then by same
The MnZn ferrite of 1 μm of partial size is added in quadrat method, and MnZn ferrite, in sepiolite surface, and is suspended in carrier fluid by uniform adsorption
In.
Step 3: prepared by magnetorheological glue rubber ring；Magnetorheological glue is injected into annulus inner cushion layer and carries out encapsulation process, then
It is set on the outside of thermal insulation board, tight loop and triangular rubber core is then installed on casing ply, casing ply is then set to electromagnet
In the groove in outside, finally it is bonded casing ply and rubber outer is installed.
Step 4: the micro- texture grinding wheel of rubber-based is hot-forming and installs；By natural rubber cream, the asphalt mixtures modified by epoxy resin of said ratio
Rouge, boron nitride, coagulator and antiaging agent stir evenly, and are subsequently poured into mold and carry out hot-forming, hot pressing temperature 60-80
DEG C, then the micro- texture grinding wheel of the strip rubber-based of acquisition is fixed on the sizing annulus equal with rubber outer outer diameter, is sent into
The incubator that temperature is 250-350 DEG C vulcanizes 10-14 hours, and the micro- texture grinding wheel of the vulcanized rubber base of acquisition is finally pasted on rubber
Outer layer obtains the controllable micro- texture flexible abrasive wheel of magnetorheological glue of grinding force.
Embodiment 3
In conjunction with the embodiments 1 and embodiment 2, a kind of magnetorheological glue grinding attachment, using the magnetorheological glue such as embodiment 1 and strictly according to the facts
The micro- texture flexible abrasive wheel of magnetorheological glue for applying example 2 carries out grinding, the grinding wheel spindle 1 and height of the micro- texture flexible abrasive wheel of magnetorheological glue
Precision numerically control grinder main shaft 11 is connected.
Embodiment 4
In conjunction with the embodiments 3 and attached drawing 6, a kind of magnetorheological glue grinding attachment, grinding wheel spindle 1 is hollow shaft, and both ends are hollow, but do not connect
Logical, hollow shaft both ends are separately connected import rotary joint 62 and inlet tube 72, outlet rotary joint 61 and outlet tube 71, inlet tube
72 and outlet tube 71 be connected respectively with cooling recirculation system (being not drawn into figure), refrigerant channel 8, refrigerant channel one are set in hollow shaft
Inbuilt first cooling tube 9 is connected inside the micro- texture flexible abrasive wheel of road and magnetorheological glue, for giving grinding wheel heat dissipation, another way with
It is set to the second cooling tube 91 in thermal insulation board to be connected, for radiating to coil windings 22.When it is implemented, the first cooling tube can be with
It is embedded in inside rubber outer using centre, both ends are protruded into the mounting hole for being set to intrinsic silicon setting and seal fixation；The
Two cooling tubes can be embedded in inside heat insulating mattress using centre, and both ends are protruded into the mounting hole for being set to intrinsic silicon setting and solid
It is fixed；(when the actual use in Fig. 6, grinding wheel spindle 1 and grinding machine spindle 11 can also when hollow shaft is connected with grinding wheel
To be arranged using Integral hollow axis, the left part of grinding wheel spindle 1 is arranged in rotary joint one end at this time, and the other end is arranged in grinding machine
The right part of main shaft 11), refrigerant channel is respectively communicated with the first and second cooling tubes, while being driven in the pump of cooling recirculation system
Under, Cong Tuzhong flows heat dissipation from right to left.Hollow shaft both ends are additionally provided with bearing 5.Rotary joint used in the present invention is common city
Oil Guide type or liquid type high-speed joint are sold, the H-type rotary joint of Shanghai Jing Gan company such as can be used, the present invention uses principle
It is identical as the type rotary joint principle.
Embodiment 5
In conjunction with the embodiments 4 and attached drawing 7, a kind of magnetorheological glue grinding attachment, magnetic current built in the micro- texture flexible abrasive wheel of magnetorheological glue
Become glue runner, grinding wheel is in refrigerant channel 8 by being set in refrigerant channel 8 and the sealing sleeve pipe 13(being connected with axis can
To use thread seal to connect, inside pipe casing is hollow, and the ring side in exterior side wall is connected by screw thread or welding with axis,
The refrigerant channel 8 in original axis is separated simultaneously inside and outside being formed two layers), the lateral septal open form of refrigerant channel is magnetorheological at flowing
The exocoel 82 of glue and inner cavity 81, while exocoel 82 being run through in grinding wheel and internal magnetorheological glue rubber ring 3 by extension tube attached 10
Portion space connection, for replacing magnetorheological glue 36 or magnetic rheological liquid.Meanwhile adjusting nut 12 is additionally provided in extension tube attached 10, lead to
The position adjustment for overregulating nut 12, can be adjusted, while right with the radial shape and outer diameter of local improvement rubber base grinding wheel
The axial direction of grinding wheel is supported and clamps.
Hollow shaft both ends are respectively equipped with the double medium rotary joint 62-1 of entrance and export double medium rotary joint 61-1, band magnetic
Double medium inlet tube 72-1 of rheology glue tube and refrigerant pipe, double medium outlet tube 71- with magnetorheological glue liquid pipe and refrigerant pipe
1.Double medium rotary joint double-channel rotating joints are existing conventional techniques, use existing commercial product, height such as can be used
Warm high-speed, multi-path rotary joint, the raw sky in such manufacturing firm such as Tengzhou City is mechanical, and specific structure no longer repeats one by one, as long as can
Reach while two kinds of liquid are conveyed by rotary joint, one of medium is coolant liquid, flows into refrigerant channel 8；It is another
Kind medium is magnetorheological glue, flows into magnetorheological glue runner.
Claims (10)
1. magnetorheological glue, which is characterized in that the magnetorheological glue includes following component by mass parts: 25 part -45 of composite particles
Part, 20 parts -40 parts of carrier fluid, 30 parts -50 parts of SEBS elastomer particles；
The composite particles are prepared using modified meerschaum as kernel by shell of magnetic-particle；
The modified meerschaum and the magnetic-particle mass parts ratio are 10 parts -25 parts: 15 parts -25 parts.
2. magnetorheological glue according to claim 1, which is characterized in that the magnetorheological glue (36) includes as follows by mass parts
Component: the magnetic-particle is 15 parts；The carrier fluid is 25 parts；The modified meerschaum is 25 parts；The SEBS elastomer
Grain is 35 parts.
3. magnetorheological glue according to claim 1, which is characterized in that the magnetic-particle is MnZn ferrite, iron carbonyl
Powder, Fe3O4、Fe3N, one of Co, Ni or a variety of.
4. magnetorheological glue according to claim 1, which is characterized in that the carrier fluid is mineral oil or synthetic oil or water；Institute
Silica gel or polyether-based can also be added by stating in magnetorheological glue (36).
5. the micro- texture flexible abrasive wheel of magnetorheological glue, characterized in that it comprises:
At least one magnetic field generator (2), for providing magnetic field used in magnetic rheology effect；
The micro- texture grinding wheel (4) of at least one rubber-based, the micro- texture grinding wheel (4) of rubber-based is interior to be equipped at least one receiving sky
Between；
At least one magnetorheological glue rubber ring (3), is set in the accommodation space, fills in the magnetorheological glue rubber ring (3)
Magnetorheological glue described in completely having as claimed in claim 1 or 2 or 3 or 44 (36).
6. the micro- texture flexible abrasive wheel of magnetorheological glue according to claim 5, which is characterized in that the magnetic field generator (2)
Including winding (22) and cylindrical base (21).
7. the micro- texture flexible abrasive wheel of magnetorheological glue according to claim 5, which is characterized in that the magnetorheological glue rubber ring
It (3) further include tight loop (31), thermal insulation board (33), triangular rubber core (32), inner cushion layer (34), casing ply (35), buffer layer (37)
And rubber outer (38).
8. the micro- texture flexible abrasive wheel of magnetorheological glue according to claim 5, which is characterized in that the micro- texture sand of rubber-based
It includes following component that (4), which are taken turns, by mass parts: natural rubber cream accounts for 60 parts -70 parts, and 10 parts -20 parts of epoxy resin, boron nitride accounts for 15
- 25 parts of part, coagulator and antiaging agent account for 5 parts -10 parts.
9. the preparation method of the micro- texture flexible abrasive wheel of magnetorheological glue, which comprises the following steps:
Step 1: prepared by coiling electromagnet;
Step 2: prepared by magnetorheological glue (36), SEBS elastomer particles are added step-wise in carrier fluid first, and keeps stirring,
After its it is evenly dispersed be suspended in carrier fluid after, then the fibrous modified meerschaum of 1-4 μm of partial size is added step-wise in carrier fluid, then
The MnZn ferrite of 1 μm of partial size is added in the same way, MnZn ferrite, in sepiolite surface, and is suspended in load by uniform adsorption
In liquid；
Step 3: prepared by magnetorheological glue rubber ring (3)；By magnetorheological glue (36) injection inner cushion layer (34) and encapsulation process is carried out,
Then it is set on the outside of thermal insulation board (33), tight loop (31) and triangular rubber core (32) is then installed on casing ply (35), then
Casing ply is set in the groove on the outside of electromagnet, casing ply installation buffer layer (37) and rubber outer (38) are finally bonded；
Step 4: the micro- texture grinding wheel (4) of rubber-based is hot-forming and installs；By the natural rubber cream of said ratio, epoxy resin,
Boron nitride, coagulator and antiaging agent stir evenly, be subsequently poured into mold carry out it is hot-forming, hot pressing temperature be 60-80 DEG C,
Then the micro- texture grinding wheel (4) of the strip rubber-based of acquisition is fixed on the sizing annulus equal with rubber outer outer diameter, is sent into
The incubator that temperature is 250-350 DEG C vulcanizes 10-14 hours, is finally pasted on the micro- texture grinding wheel (4) of the vulcanized rubber base of acquisition
Rubber outer (38) obtains the micro- texture flexible abrasive wheel of magnetorheological glue.
10. magnetorheological glue grinding attachment, which is characterized in that it uses magnetorheological glue as described in claim 1 (36) He Ruquan
Benefit require 2 described in the micro- texture flexible abrasive wheel of magnetorheological glue carry out grinding, the micro- texture flexible abrasive wheel of magnetorheological glue is logical
Grinding wheel spindle (1) is crossed to be connected with high precision numerical control grinding machine spindle.
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| CN201910183002.1A CN110000619A (en) | 2019-03-12 | 2019-03-12 | Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment |
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| CN201910183002.1A CN110000619A (en) | 2019-03-12 | 2019-03-12 | Micro- texture flexible abrasive wheel of magnetorheological glue and preparation method thereof and grinding attachment |
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Cited By (1)
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