CN106363526A - High-voltage circuit breaker contact deburring device and deburring method thereof - Google Patents

High-voltage circuit breaker contact deburring device and deburring method thereof Download PDF

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Publication number
CN106363526A
CN106363526A CN201610778987.9A CN201610778987A CN106363526A CN 106363526 A CN106363526 A CN 106363526A CN 201610778987 A CN201610778987 A CN 201610778987A CN 106363526 A CN106363526 A CN 106363526A
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China
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magnetic
magnetorheological
iron yoke
working fluid
contact
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CN201610778987.9A
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CN106363526B (en
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陈冰
陈飞
王道清
杨伟
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Northwestern Polytechnical University
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Northwestern Polytechnical University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • B24B31/102Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work using an alternating magnetic field
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • B24B1/005Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes using a magnetic polishing agent

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

The invention discloses a high-voltage circuit breaker contact deburring device and a deburring method thereof and belongs to the field of surface treatment. The high-voltage circuit breaker contact deburring device is composed of a magnetic field generation device, a workpiece clamp, a magneto-rheological machining liquid container and a driving device. A DC voltage-stabilized source in the magnetic field generation device controls generated magnetic field intensity, so that machining liquid in the magneto-rheological machining liquid container is subjected to phase change to form a Bingham solid-state flexible abrasive layer. The workpiece clamp is composed of a home-made Mohs cone bar, a flexible diaphragm coupling, an insulating bush and a clamp body. The driving device drives a contact part to be immersed in magneto-rheological machining liquid to rotate at high speed through the workpiece clamp. Under the action of impact and grinding of the machining liquid, burrs on the edges of lobes formed on a contact are removed. The high-voltage circuit breaker contact deburring device is simple in structure, low in manufacturing cost and high in machining efficiency, and has the characteristics of high shape adaptability, high machined surface quality and small surface damage through a magneto-rheological machining method.

Description

A kind of High Voltage Circuit Breaker Contacts burr remover and its burr removing method
Technical field
The present invention relates to technical field of surface, specifically, it is related to a kind of High Voltage Circuit Breaker Contacts burr remover And its burr removing method.
Background technology
, as the nucleus equipment in transmission system, the safety and reliability that it runs is to whole power train for primary cut-out System has vital meaning.High Voltage Circuit Breaker Contacts as the critical component of primary cut-out, in the operation of chopper Responsible on-off circuit and the vital task of load current, its service behaviour directly affects the steady of high voltage power transmisson system Qualitative and safety.
High Voltage Circuit Breaker Contacts are in integrally revolving body, open lobe thin-wall construction, but contact opens the Burr Problem of lobe seamed edge but Annoying primary cut-out manufacturing enterprise always.A lot of enterprises adopt the process of " hot extrusion molding+machining " at present, And it is contemplated that contact opens the working (machining) efficiency of lobe and the overall performance of contact in the actual cut course of processing, saw blade is usually used Milling cutter carrys out direct one-shot forming single petal groove.Therefore, frequently can lead to produce on petal groove seamed edge in contact Milling Process The burr differing in size in a large number.The presence of small burr not only affects the silver-plated quality of contact surface, and then affects its electric conductivity Can, more easily cause local cusp electric discharge, lead to apparatus insulated inefficacy, puncture vacuum interrupter, cause contact to lose efficacy.High pressure open circuit Device contact, once losing efficacy it is possible to directly result in chopper blast, in turn results in the major accident of large-area power-cuts, therefore leads The direct or indirect impact causing and economic loss are difficult to estimate.
Patent cn201320634566.0 discloses a kind of semi-automatic flash trimmer, so that contact pin is penetrated on Shell of circuit breaker Through hole, thus the burr on Shell of circuit breaker is removed, but contact pin is fragile, and it is poor that burr removes concordance.Patent of invention Cn201310734376.0 discloses a kind of mixed-powder of quick removal lamellar electrical contact punching burr and its using method, will Electrical contact blank and mixed-powder load centrifugal grinder and are ground, and process through dilute sulfuric acid pickling processes, ultrasonic cleaning, Again through drying, drying, be cooled to finished product, whole process is very loaded down with trivial details, is not suitable for actual production.
Open the Burr Problem of lobe seamed edge for contact, most of primary cut-out manufacturing enterprise still relies on operator at present The method of member's manual grinding is processed, and will necessarily cause larger cost pressure to enterprise.Manual grinding method removes flash removed Effect and efficiency have very big relation with the proficiency level of operator, have that concordance is poor, qualification rate is low, working (machining) efficiency is low Problem;Additionally, in burr removal process, removed metallic dust flies away in atmosphere, infringement operator are healthy, Severe contamination surrounding.
Content of the invention
In order to avoid prior art exist deficiency, the present invention propose a kind of High Voltage Circuit Breaker Contacts burr remover and its Burr removing method.This device and its burr removing method remove it is ensured that going for the burr opening lobe seamed edge of High Voltage Circuit Breaker Contacts Except the concordance of effect and machining accuracy, and improve working (machining) efficiency, improve Active workings working environment.
The technical solution adopted for the present invention to solve the technical problems is: High Voltage Circuit Breaker Contacts burr remover, by magnetic Field generating meanss, work piece holder, magnetorheological processing liquid container, driving means and D.C. regulated power supply composition, field generator for magnetic Produce additional high-intensity magnetic field so that the magnetorheological working fluid phase in magnetorheological processing liquid container is deformed into bingham class solid state Flexible grinding layer, driving means drive contact of breaker to be immersed in the rotation of magnetorheological working fluid high speed by work piece holder, Realize contact open lobe seamed edge deburring process it is characterised in that described field generator for magnetic include electromagnetic core, solenoid, Base plate in iron yoke side plate, iron yoke side base plate, iron yoke, every magnetic base, in magnetic backing plate, magnetorheological processing liquid container, described electromagnetism Iron core is cylinder, and one end is plane, and the other end is close to magnetorheological working fluid container outer wall face, electric magnet for circular arc fracture Core is installed with solenoid cooperation, and two groups of electromagnetic cores are symmetrically fixed on magnetorheological processing liquid container and iron yoke side with solenoid Between plate, two blocks of iron yoke side plates are respectively and vertically fixed at two pieces of iron yoke sides base plate one end, and iron yoke side base plate is arranged on every magnetic base On, and form iron yoke loop with base plate in iron yoke;Described is cuboid every magnetic base, has arc t type groove, use on magnetic base Magnetic pole after installing is sliding over, and realizes adjustable angle;
Described work piece holder bores bar by Mohs, flexible sheet shaft coupling, insulating bushing, clamp body, contact of breaker form, Described Mohs cone bar one end is connected with lathe mohs tapered bore for tapered rod, and the other end is arranged on flexible sheet shaft coupling for connecting rod Upper end, installs insulating bushing additional between flexible sheet shaft coupling and Mohs cone bar, flexible sheet shaft coupling is touched with clamp body, chopper Head is connected;
Described D.C. regulated power supply be located at iron yoke in base plate side, D.C. regulated power supply respectively with two solenoids one End is connected by wire, in order to control the voltage being passed through solenoid two ends or electric current to control the magnetic field that solenoid produces strong Degree.
A kind of method adopting described High Voltage Circuit Breaker Contacts burr remover to carry out deburring it is characterised in that include with Lower step:
Field generator for magnetic, magnetorheological processing liquid container are fixedly mounted on upright drill processing with every magnetic base by step 1. It is ensured that field generator for magnetic is steady on platform;
Step 2. adopts 2a21 aluminium sheet to make every magnetic base, is processing arc t type groove, by iron yoke side base plate on magnetic base By magnetorheological processing liquid container centered on be symmetrically mounted on magnetic base, and form one end fix, the one of one end adjustable angle To magnetic pole, form field circuit, magnetic pole angle of regulation range is 120~180 °;
Work piece holder is connected to machine tool chief axis by step 3.;Wherein, Mohs cone pole-footing customizes according to machine tool chief axis hole taper, and one Hold and be connected with lathe mohs tapered bore for mt4 Mohs cone bar, the other end is that the connecting rod of diameter 24mm is connected with flexible sheet shaft coupling Connect;Insulating bushing isolation electric current is installed additional, insulating bushing material is politef between flexible sheet shaft coupling and Mohs cone bar;
Step 4. prepares magnetorheological working fluid, and adjustment machine tool chief axis make contact of breaker be totally submerged wherein, and in magnetic Relatively close electromagnetic core in rheology processing liquid container, starts lathe to be stirred compared with the slow-speed of revolution, makes in magnetorheological working fluid Abrasive grain dispersed;
Step 5. adjusts machine spindle speed, opens D.C. regulated power supply, and adjusts current intensity, and D.C. regulated power supply is joined Number is 250v × 8a, controls the magnetic field that solenoid produces strong by controlling the voltage being passed through solenoid two ends or electric current Degree;Magnetorheological working fluid is mutually deformed into bingham class solid state under the action of a magnetic field, sets processing required time;
After step 6. machines, close D.C. regulated power supply, after magnetorheological working fluid becomes liquid condition, turn off machine Bed main shaft, takes out contact of breaker gasoline or petroleum ether cleans up;
Step 7., according to workpiece reality processing demand and deburring effect, adjusts magnetic pole angle, the magnetic of field generator for magnetic The abrasive concentration of rheology working fluid, machine spindle speed, the current intensity of D.C. regulated power supply, each parameter process time, repeat Above-mentioned steps are processed.
Beneficial effect
High Voltage Circuit Breaker Contacts burr remover proposed by the present invention and its burr removing method, for High Voltage Circuit Breaker Contacts The burr opening lobe seamed edge remove it is ensured that the concordance of removal effect and machining accuracy, and improve working (machining) efficiency, improve operation ring Border.High Voltage Circuit Breaker Contacts burr remover, by field generator for magnetic, work piece holder, magnetorheological processing liquid container, driving means With D.C. regulated power supply composition, field generator for magnetic produces additional high-intensity magnetic field so that magnetorheological in magnetorheological processing liquid container Working fluid phase is deformed into the flexible grinding layer of bingham class solid state, and driving means drive chopper to touch by work piece holder Head is immersed in magnetorheological working fluid high speed rotation, realizes the deburring process that contact opens lobe seamed edge.
High Voltage Circuit Breaker Contacts burr remover of the present invention and its burr removing method, burr remover structure is simple, manufactures Cost relatively low it is easy to operation, high in machining efficiency;And adopt magnetorheological processing method, there is shape strong adaptability, finished surface matter The feature that amount is high and surface damage is little.The going of the small burr of revolving parts seamed edge especially for High Voltage Circuit Breaker Contacts class Remove, have the advantage that it is original.
Brief description
Below in conjunction with the accompanying drawings with embodiment to a kind of present invention High Voltage Circuit Breaker Contacts burr remover and its deburring Method is described in further detail.
Fig. 1 is High Voltage Circuit Breaker Contacts burr remover structural representation of the present invention.
Fig. 2 is the field generator for magnetic iron yoke structural representation of High Voltage Circuit Breaker Contacts burr remover of the present invention.
Fig. 3 a, Fig. 3 b are High Voltage Circuit Breaker Contacts burr remover of the present invention every magnetic base schematic diagram.
Fig. 4 is the work piece holder explosive view of High Voltage Circuit Breaker Contacts burr remover of the present invention.
Fig. 5 is the field generator for magnetic magnetic pole angle of the present invention in machining sketch chart when 180 °.
Fig. 6 is the field generator for magnetic magnetic pole angle of the present invention in machining sketch chart when 150 °.
Fig. 7 is the field generator for magnetic magnetic pole angle of the present invention in machining sketch chart when 120 °.
In figure:
1. Mohs cone bar 2. insulating bushing, 3. flexible sheet shaft coupling, 4. clamp body, 5. contact of breaker 6. electric magnet In core 7. solenoid, 8. iron yoke side plate, 9. iron yoke side base plate 10. iron yoke base plate 11. every magnetic base 12. backing plate in magnetic The magnetorheological processing magnetorheological working fluid of liquid container 15. of 13. D.C. regulated power supply 14.
Specific embodiment
The present embodiment is a kind of High Voltage Circuit Breaker Contacts burr remover and its burr removing method.
Embodiment 1
Refering to Fig. 1~Fig. 7, the High Voltage Circuit Breaker Contacts burr remover of the present embodiment, by field generator for magnetic, workpiece clamp Tool, magnetorheological processing liquid container, driving means and D.C. regulated power supply composition, field generator for magnetic produces additional high-intensity magnetic field, makes Obtain the flexible grinding layer that the magnetorheological working fluid phase in magnetorheological processing liquid container is deformed into bingham class solid state, drive Device drives contact of breaker to be immersed in magnetorheological working fluid high speed rotation by work piece holder, realizes contact and opens lobe seamed edge Deburring process.Wherein, field generator for magnetic includes electromagnetic core 6, solenoid 7, iron yoke side plate 8, iron yoke side base plate 9, ferrum Base plate 10 in yoke, every magnetic base 11, in magnetic backing plate 12, magnetorheological processing liquid container 14;Electromagnetic core 6 is cylinder, one end For plane, the other end is close to magnetorheological processing liquid container 14 outside wall surface, electromagnetic core 6 and solenoid 7 for circular arc fracture Cooperation is installed, and two groups of electromagnetic cores 6 and solenoid 7 are symmetrically fixed between magnetorheological processing liquid container 14 and iron yoke side plate 8, Two blocks of iron yoke side plates 8 are respectively and vertically fixed at two pieces of iron yoke side base plate 9 one end, and iron yoke side base plate 9 is arranged on magnetic base 11, And form iron yoke loop with base plate in iron yoke 10.It is cuboid every magnetic base 11, arc t type groove is had on magnetic base, is used for Magnetic pole after installation is sliding over, and realizes adjustable angle.In the present embodiment, solenoid 7 line footpath being adopted is 1mm, Number of ampere turns is 5000 circles, and internal diameter is 120mm, and external diameter is 200mm, is sleeved on electromagnetic core 6.The magnetorheological working fluid being adopted Container 14 external diameter is 160mm, the iron cylinder of a height of 200mm, is used for holding magnetorheological working fluid 15.
Work piece holder bores bar 1, flexible sheet shaft coupling 3, insulating bushing 2, clamp body 4,5 groups of contact of breaker by Mohs Become, wherein, Mohs cone bar 1 one end is connected with lathe mohs tapered bore for tapered rod, and Mohs cone bar 1 other end is arranged on for connecting rod Flexible sheet shaft coupling 3 upper end, installs insulating bushing 2, flexible sheet shaft coupling additional between flexible sheet shaft coupling 3 and Mohs cone bar 1 Device 3 is connected with clamp body 4, contact of breaker 5.Insulating bushing 2 material is politef, to flexible sheet shaft coupling 3 Bore bar 1 with Mohs and carry out electric current isolation, prevent the faradic current flow direction that in the course of processing, contact of breaker 5 cutting magnetic induction line produces Machine motor.D.C. regulated power supply 13 is arranged on the side of base plate 10 in iron yoke, D.C. regulated power supply 13 respectively with two electromagnetism Coil 7 one end is connected by wire, in order to control the voltage being passed through solenoid 7 two ends or electric current to control solenoid 7 to produce Raw magnetic field intensity, and then control the transition of magnetorheological working fluid 15.
In the present embodiment, driving means are formed by z5140 common upright drill transformation, for providing the fortune of workpiece Dynamic.Contact of breaker 5 is fixed on vertical drilling spindle by work piece holder, and drives contact of breaker 5 to do by machine tool chief axis Gyration, controls the working (machining) efficiency of actual deburring by controlling machine spindle speed.Machine spindle speed be 31.5~ 14000rpm.
High Voltage Circuit Breaker Contacts burr removing method: using magnetic rheology effect in externally-applied magnetic field for the magnetorheological working fluid;Magnetic The colloidal suspensions that rheology working fluid is uniformly mixed by magnetic particle, base load liquid, stabilizer, abrasive grain.In additional magnetic Under field action, magnetorheological working fluid phase becomes bingham class solid state, and its rheological property can change rapidly, and shearing is bent Take stress and viscosity improves.Magnetic particle will form a series of chains or cluster-shaped knot along magnetic induction line direction under the action of a magnetic field Structure, and abrasive particle is then clamped between the magnetic particle of chaining, forms a kind of flexible grinding layer of similar solid state.Make to break Road device contact is immersed in magnetorheological working fluid high speed rotation, so that magnetorheological working fluid occurs relative fortune with contact of breaker Dynamic, realize, under the impact, ablation of working fluid, the removal process that contact opens lobe seamed edge burr.
Magnetorheological working fluid be based on oil base magnetic flow liquid, mix certain content abrasive material stirring be formulated. The base load liquid of magnetic flow liquid is the mixed oil liquid of low viscosity polyalphaolefin pao6 and adipate ester, and magnetic particle adopts carbonyl iron dust, Particle diameter is 3~5 μm, and the two shared mass fraction in magnetic flow liquid is respectively 20% and 80%.Mill in magnetorheological working fluid Material adopts emerald abrasive particle, and particle diameter is 80 mesh.
Specifically comprise the following steps that
First, just field generator for magnetic, magnetorheological processing liquid container are fixedly mounted on upright drill processing with every magnetic base It is ensured that field generator for magnetic is steady on platform;
2nd, adopt 2a21 aluminium sheet make every magnetic base, and on magnetic base process arc t type groove, iron yoke side base plate 9 with Magnetorheological processing liquid container 14 centered on opposed be arranged on magnetic base, composition one end fix, a pair of one end adjustable angle Magnetic pole, forms field circuit, and magnetic pole angle of regulation range is 120~180 °;
3rd, work piece holder is connected to machine tool chief axis;Wherein, Mohs cone bar 1 customizes according to machine tool chief axis hole taper, one end For No. 4 cone bars of mt4 Mohs, it is connected with lathe mohs tapered bore;The other end is the connecting rod of diameter 24mm, connects flexible sheet shaft coupling Device 3;Increase dress insulating bushing 2 isolation electric current, insulating bushing 2 material is poly- four between flexible sheet shaft coupling 3 and Mohs cone bar 1 Fluorothene;
4th, prepare the magnetorheological working fluid 15 that abrasive concentration is 10%, adjustment machine tool chief axis make contact of breaker 5 soak completely Not not wherein, and magnetorheological process relatively close electromagnetic core 6 in liquid container 14, start lathe to carry out necessarily compared with the slow-speed of revolution The stirring of duration, makes the abrasive grain in magnetorheological working fluid 15 dispersed;
5th, adjustment machine spindle speed is 1000rpm, opens D.C. regulated power supply 13, and adjusts current intensity for 4a, directly Stream regulated power supply 13 parameter is 250v × 8a, is produced come control coil by controlling the voltage being passed through solenoid 7 two ends or electric current Raw magnetic field intensity;Magnetorheological working fluid 15 is mutually deformed into bingham class solid state under the action of a magnetic field, and process time is 15min;
6th, after machining, first close D.C. regulated power supply 13, after magnetorheological 15 one-tenth liquid conditions of working fluid, then close Close machine tool chief axis, finally take out contact of breaker 5, cleaned up using gasoline or petroleum ether;
7th, according to workpiece reality processing demand and deburring effect, the magnetic pole angle of adjustable field generator for magnetic, magnetic current The parameters such as the abrasive concentration of change working fluid 15, machine spindle speed, the current intensity of D.C. regulated power supply 13, process time, weight Multiple above-mentioned steps are processed.
Below, processing request is taking certain High Voltage Circuit Breaker Contacts part as a example: outside fingertip seamed edge no wedge angle, hair in contact Thorn, is smooth to the touch;Seamed edge chamfering radius requires 0.2mm~0.4mm, and maximum is less than 0.5mm.
Embodiment 2
As shown in fig. 6, the overall structure of High Voltage Circuit Breaker Contacts burr remover and embodiment are with embodiment 1, different Part is that field generator for magnetic magnetic pole angle is adjusted to 150 °, and other technological parameters are constant.This example processing result is: contact Fingertip seamed edge chamfering radius is 236 μm, and root chamfering radius is 201 μm, and surface roughness is 359.448nm, meets contact zero The removal of part seamed edge and root burr requires.
Embodiment 3
As shown in fig. 7, the overall structure of High Voltage Circuit Breaker Contacts burr remover and embodiment are with embodiment 1, different Part is that field generator for magnetic magnetic pole angle is adjusted to 120 °;Other technological parameters adjust as follows: magnetorheological working fluid 15 Abrasive concentration is 20%, and machine spindle speed is 1000rpm, and the current intensity of D.C. regulated power supply 13 is 3a, and process time is 20min.This example processing result is: contact fingertip seamed edge chamfering radius is 313 μm, and root chamfering radius is 285 μm, and surface is thick Rugosity is 289nm, meets contact part seamed edge and the removal of root burr requires.
Embodiment 4
, with embodiment 3, other technological parameters are adjusted for the overall structure of High Voltage Circuit Breaker Contacts burr remover and embodiment Section is as follows: the abrasive concentration of magnetorheological working fluid 15 is 10%, and machine spindle speed is 1400rpm, D.C. regulated power supply 13 Current intensity is 3.5a, process time is 15min.This example processing result is: contact fingertip seamed edge chamfering radius is 361 μm, Root chamfering radius is 353 μm, and surface roughness is 331nm, meets contact part seamed edge and the removal of root burr requires.
Embodiment 5
The present embodiment is the processing instance after process parameter optimizing, and embodiment is adjusted such as with embodiment 3, technological parameter Under: the abrasive concentration of magnetorheological working fluid 15 is 10%, and machine spindle speed is 1400rpm, the electric current of D.C. regulated power supply 13 Intensity is 3.25a, process time is 17.5min.This example processing result is: contact fingertip seamed edge chamfering radius is 354 μm, root Portion's chamfering radius is 342 μm, and surface roughness is 273nm.

Claims (2)

1. a kind of High Voltage Circuit Breaker Contacts burr remover, by field generator for magnetic, work piece holder, magnetorheological processing liquid container, Driving means and D.C. regulated power supply composition, field generator for magnetic produces additional high-intensity magnetic field so that in magnetorheological processing liquid container Magnetorheological working fluid phase be deformed into the flexible grinding layer of bingham class solid state, driving means are driven by work piece holder Contact of breaker is immersed in magnetorheological working fluid high speed rotation, realizes the deburring process that contact opens lobe seamed edge, its feature exists In: described field generator for magnetic include electromagnetic core, solenoid, iron yoke side plate, iron yoke side base plate, base plate in iron yoke, every magnetic Base, in magnetic backing plate, magnetorheological processing liquid container, described electromagnetic core be cylinder, one end be plane, the other end be circular arc Shape fracture is close to magnetorheological working fluid container outer wall face, and electromagnetic core is installed with solenoid cooperation, two groups of electromagnetic cores with Solenoid is symmetrically fixed between magnetorheological processing liquid container and iron yoke side plate, and two blocks of iron yoke side plates are respectively and vertically fixed at two Block iron yoke side base plate one end, iron yoke side base plate is arranged on magnetic base, and forms iron yoke loop with base plate in iron yoke;Described every Magnetic base is cuboid, has arc t type groove on magnetic base, for the magnetic pole after installing sliding over, and realizes angle Adjustable;
Described work piece holder bores bar by Mohs, flexible sheet shaft coupling, insulating bushing, clamp body, contact of breaker form, described Mohs cone bar one end is connected with lathe mohs tapered bore for tapered rod, and the other end is arranged on flexible sheet shaft coupling for connecting rod End, installs insulating bushing, flexible sheet shaft coupling and clamp body, contact of breaker additional between flexible sheet shaft coupling and Mohs cone bar It is connected;
Described D.C. regulated power supply is located at the side of base plate in iron yoke, and D.C. regulated power supply is led to two solenoid one end respectively Cross wire to connect, in order to control the voltage being passed through solenoid two ends or electric current to control the magnetic field intensity of solenoid generation.
2. a kind of method that deburring is carried out using the High Voltage Circuit Breaker Contacts burr remover described in claim 1, its feature It is to comprise the following steps:
Step 1. by field generator for magnetic, magnetorheological processing liquid container and is fixedly mounted on upright drill processing platform every magnetic base Above it is ensured that field generator for magnetic is steady;
Step 2. adopts 2a21 aluminium sheet to make every magnetic base, is processing arc t type groove, by iron yoke side base plate with magnetic on magnetic base Rheology processing liquid container centered on be symmetrically mounted on magnetic base, and form one end fix, a pair of magnetic of one end adjustable angle Pole, forms field circuit, and magnetic pole angle of regulation range is 120~180 °;
Work piece holder is connected to machine tool chief axis by step 3.;Wherein, Mohs cone pole-footing customizes according to machine tool chief axis hole taper, and one end is Mt4 Mohs cone bar is connected with lathe mohs tapered bore, and the other end is that the connecting rod of diameter 24mm is connected with flexible sheet shaft coupling;Bullet Property diaphragm coupling and Mohs cone bar between install additional insulating bushing isolation electric current, insulating bushing material be politef;
Step 4. prepares magnetorheological working fluid, and adjustment machine tool chief axis make contact of breaker be totally submerged wherein, and magnetorheological Relatively close electromagnetic core in processing liquid container, starts lathe to be stirred compared with the slow-speed of revolution, makes the mill in magnetorheological working fluid Material even particulate dispersion;
Step 5. adjusts machine spindle speed, opens D.C. regulated power supply, and adjusts current intensity, D.C. regulated power supply parameter is 250v × 8a, controls the magnetic field intensity of solenoid generation by controlling the voltage being passed through solenoid two ends or electric current;Magnetic Rheology working fluid is mutually deformed into bingham class solid state under the action of a magnetic field, sets processing required time;
After step 6. machines, close D.C. regulated power supply, after magnetorheological working fluid becomes liquid condition, turn off lathe master Axle, takes out contact part gasoline or petroleum ether cleans up;
Step 7. according to workpiece reality processing demand and deburring effect, adjusts the magnetic pole angle of field generator for magnetic, magnetorheological The abrasive concentration of working fluid, machine spindle speed, the current intensity of D.C. regulated power supply, each parameter process time, repeat above-mentioned Step is processed.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111230602A (en) * 2020-02-17 2020-06-05 辽宁科技大学 Self-recognition multi-angle magnetic pole head chemical magnetic particle grinding processing device
CN112917374A (en) * 2021-03-19 2021-06-08 湖南大学 Online flexible trimming device of spherical micro grinding tool based on electromagnetic rheological effect
CN113579863A (en) * 2021-08-27 2021-11-02 苏州中耀科技有限公司 Deburring device for powder injection molding green body
CN114986376A (en) * 2022-06-16 2022-09-02 山东理工大学 Magnetic needle magnetic grinding machine

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475315A (en) * 1982-02-11 1984-10-09 Centralen Mashinostroitelen Institute Inductor for magnetic abrasive polishing
CN1433872A (en) * 2003-03-07 2003-08-06 清华大学 Orthogonal axis combined magnetic polishing tool
CN1724220A (en) * 2005-07-21 2006-01-25 太原理工大学 Liquid magnetic grinding and it preparation method
CN1872495A (en) * 2006-06-30 2006-12-06 西安工业大学 Magnetic rheologic flexible, fine grinding, polishing equipment and method
CN101579833A (en) * 2009-06-05 2009-11-18 东华大学 High efficiency controllable multiple wheel head magnetic rheology buffing device
CN202097608U (en) * 2011-05-08 2012-01-04 浙江师范大学 Uniform magnetorheological finishing device with controllable removal rate model
CN103612195A (en) * 2013-12-09 2014-03-05 湖南大学 Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation
CN203526668U (en) * 2013-10-15 2014-04-09 浙江伯特利树脂制品有限公司 Semi-automatic deburring machine
CN104308671A (en) * 2014-10-09 2015-01-28 东北大学 Magnetorheological polishing device and method
CN204565862U (en) * 2015-02-10 2015-08-19 上海海泰汽配有限公司 A kind of burr remover
CN105881185A (en) * 2016-04-08 2016-08-24 广东工业大学 Self-pressurized high-speed polishing method and device for inner surface of hole by means of abrasive particles and magnetic flow

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4475315A (en) * 1982-02-11 1984-10-09 Centralen Mashinostroitelen Institute Inductor for magnetic abrasive polishing
CN1433872A (en) * 2003-03-07 2003-08-06 清华大学 Orthogonal axis combined magnetic polishing tool
CN1724220A (en) * 2005-07-21 2006-01-25 太原理工大学 Liquid magnetic grinding and it preparation method
CN1872495A (en) * 2006-06-30 2006-12-06 西安工业大学 Magnetic rheologic flexible, fine grinding, polishing equipment and method
CN101579833A (en) * 2009-06-05 2009-11-18 东华大学 High efficiency controllable multiple wheel head magnetic rheology buffing device
CN202097608U (en) * 2011-05-08 2012-01-04 浙江师范大学 Uniform magnetorheological finishing device with controllable removal rate model
CN203526668U (en) * 2013-10-15 2014-04-09 浙江伯特利树脂制品有限公司 Semi-automatic deburring machine
CN103612195A (en) * 2013-12-09 2014-03-05 湖南大学 Magnetic abrasive finishing processing method and device of toroidal magnetic field excitation
CN104308671A (en) * 2014-10-09 2015-01-28 东北大学 Magnetorheological polishing device and method
CN204565862U (en) * 2015-02-10 2015-08-19 上海海泰汽配有限公司 A kind of burr remover
CN105881185A (en) * 2016-04-08 2016-08-24 广东工业大学 Self-pressurized high-speed polishing method and device for inner surface of hole by means of abrasive particles and magnetic flow

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111230602A (en) * 2020-02-17 2020-06-05 辽宁科技大学 Self-recognition multi-angle magnetic pole head chemical magnetic particle grinding processing device
CN111230602B (en) * 2020-02-17 2021-07-09 辽宁科技大学 Self-recognition multi-angle magnetic pole head chemical magnetic particle grinding processing device
CN112917374A (en) * 2021-03-19 2021-06-08 湖南大学 Online flexible trimming device of spherical micro grinding tool based on electromagnetic rheological effect
CN113579863A (en) * 2021-08-27 2021-11-02 苏州中耀科技有限公司 Deburring device for powder injection molding green body
CN114986376A (en) * 2022-06-16 2022-09-02 山东理工大学 Magnetic needle magnetic grinding machine

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