CN108436743A - A kind of the liquid metal burnishing device and method of the two-way variation of electric field magnetic field - Google Patents

A kind of the liquid metal burnishing device and method of the two-way variation of electric field magnetic field Download PDF

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Publication number
CN108436743A
CN108436743A CN201810490474.7A CN201810490474A CN108436743A CN 108436743 A CN108436743 A CN 108436743A CN 201810490474 A CN201810490474 A CN 201810490474A CN 108436743 A CN108436743 A CN 108436743A
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China
Prior art keywords
permanent magnet
liquid metal
positive electrode
polishing
motor
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CN201810490474.7A
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Chinese (zh)
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CN108436743B (en
Inventor
叶必卿
傅昱斐
夏卫海
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Classifications

    • 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
    • B24B31/003Machines 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 whereby the workpieces are mounted on a holder and are immersed in the abrasive material
    • 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
    • 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
    • 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
    • B24B31/12Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
    • 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
    • B24B31/12Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
    • B24B31/14Abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09GPOLISHING COMPOSITIONS; SKI WAXES
    • C09G1/00Polishing compositions
    • C09G1/02Polishing compositions containing abrasives or grinding agents

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

The invention discloses a kind of liquid metal burnishing devices of the two-way variation of electric field magnetic field, including operation console, the first permanent magnet, first motor, the second motor, linkage rod slide block mechanism, ball-screw, ball-screw seat, support plate, feed screw nut, blade, connector, positive electrode, the second permanent magnet, negative electrode, liquid metal polishing fluid, polishing container, workbench, fixing axle and polishing cavity;The present invention is moved up and down using leading screw drive module driving positive electrode, the sine wave electric field that positive electrode and negative electrode are formed is set to stablize in blade region, simultaneously the second motor by linkage rod slide block mechanism drive the first permanent magnet and the second set of permanent magnets at integrated reciprocating move along a straight line, generate the magnetic field moved back and forth, the two is combined the metal ion high-frequency vibration so that liquid metal polishing area where blade, and then the high-frequency vibration of the abrasive grain with polishing area where movable vane piece, to be efficiently polished to blade edge using abrasive grain.

Description

A kind of the liquid metal burnishing device and method of the two-way variation of electric field magnetic field
Technical field
The present invention relates to liquid metal polishing technology fields, more specifically, more particularly to a kind of two-way change of electric field magnetic field The liquid metal burnishing device and method of change.
Background technology
Liquid metal typically refers to the alloy functional material being in a liquid state at normal temperatures, such as fusing point in 30 DEG C of metals below and Its alloy material is also included within the low melting point alloy being in a liquid state in 40 DEG C~300 DEG C operation temperature areas.Liquid metal polishing fluid Polishing technology refers to when with workpiece polished surface relative motion occurs for the liquid metal polishing fluid for being mixed with abrasive material under the influence of a magnetic field When, the flexible bistrique on liquid metal polishing fluid silk ribbon generates polished surface big cutting force, to workpiece polished surface It is polished.
It is processed, can not be carried out using traditional polishing for complex-curved processing, such as to blade, therefore, The method that similar abrasive Flow Machining and liquid metal are processed is come into being, however, simple liquid metal polishing or abrasive Flow add Work it is less efficient, and processing quality also has certain limitation, and very strong to the skill dependence of worker itself, and produces Efficiency is low, the process-cycle is long, easily generates surface destroys layer and metamorphic layer, and processing quality is not readily available guarantee, to processing Surface has a great impact.
Invention content
It is an object of the invention to solve existing technology merely utilize abrasive Flow polishing or merely using liquid metal into Processing efficiency is low, skill dependence is strong caused by row polishing, the problem of process-cycle length, it is proposed that a kind of two-way change of electric field magnetic field The liquid metal burnishing device and method of change.
The present invention is achieved through the following technical solutions above-mentioned purpose:A kind of liquid metal throwing of the two-way variation of electric field magnetic field Electro-optical device, including operation console, the first permanent magnet, first motor, the second motor, linkage rod slide block mechanism, ball-screw, ball-screw Seat, support plate, feed screw nut, blade, connector, positive electrode, the second permanent magnet, negative electrode, liquid metal polishing fluid, polishing are held Device, workbench, fixing axle and polishing cavity, the operation console and polishing container are installed on workbench;Polish container It is internally provided with the polishing cavity for accommodating liquid metal polishing fluid, the both sides for polishing cavity are separately installed with the first permanent magnet and the Two permanent magnets, and the first permanent magnet and the second permanent magnet are arranged in parallel vertically, the first permanent magnet and the second permanent magnet are mutually close Two faces magnetic pole it is opposite;Second motor is fixed on workbench, and the second motor is connected by linkage rod slide block mechanism First permanent magnet and the second permanent magnet pass through linkage rod slide block mechanism when the second motor movement and drive the first permanent magnet and the second permanent magnetism Body is along straight reciprocating motion;Blade is fixedly mounted on inside polishing container by fixing axle and is fully immersed in the liquid of polishing cavity In state metal-polishing liquid;The negative electrode is arranged in the fixing axle of blade, and positive electrode is in stick-like, and positive electrode is vertically arranged in leaf The surface of piece, polishing container upper end are provided with circular hole, and positive electrode passes through the circular hole above polishing container, the lower end leaching of positive electrode Enter into liquid metal polishing fluid, the top of positive electrode is fixedly connected with connector;The upper end of the polishing container is additionally provided with Support plate, first motor is vertically-mounted on the supporting plate, and the upper end connection first motor of ball-screw is simultaneously driven by first motor, The lower end of ball-screw is connected to the top of polishing container by ball-screw seat;Leading screw spiral shell is additionally provided on the connector Mother, feed screw nut are sleeved on ball-screw, by driving ball screw turns when first motor moves, and then are driven by leading screw What nut, connector and positive electrode formed moves up and down in overall.
Further, the negative electrode is arc-shaped, and negative electrode is attached to the lower end of the fixing axle for fixed blade.
Further, the first motor connects the upper end of ball-screw by shaft coupling.
Further, the negative electrode and positive electrode are connect with operation console, and negative electrode and positive electrode are controlled by operation console Energization situation processed.
Further, operation console is changed by changing the size of the power frequency or electric voltage frequency that flow through positive electrode by just Electrode and negative electrode form the state of electric field.Electric field in liquid metal polishing fluid is positive electrode to be superimposed with negative electrode electric field, Be combined with the magnetic field for the reciprocating motion that the first permanent magnet and the second permanent magnet generate so that in liquid metal polishing fluid metal from Son carries out high-frequency vibration.High-frequency vibration of the liquid metal in bottom can carry the mill to rise and fall in liquid metal polishing fluid bottom Grain, can efficiently polish polishing area in blade edge high-frequency vibration.
Further, positive electrode and negative electrode are formed by sine wave direction of an electric field and the first permanent magnet and the second permanent magnet The magnetic direction of formation is mutually perpendicular to.
Further, the liquid metal polishing fluid is the liquid metal polishing fluid for including abrasive grain.
Further, the liquid metal in the liquid metal polishing fluid is one kind in gallium ion, rubidium ion, cesium ion Or several compound.The liquid metal typically refers to the alloy functional material being in a liquid state at normal temperatures, if fusing point is at 30 DEG C Metal and its alloy material below are also included within the low melting point alloy being in a liquid state in 40 DEG C~300 DEG C operation temperature areas, and It is mixed with abrasive grain.
A kind of liquid metal polishing method that electrode moves up and down, includes the following steps:
Step 1:Blade is fixedly mounted on by fixing axle inside polishing container, the two sides for polishing container carry respectively Before the first permanent magnet and the second permanent magnet are housed, the first permanent magnet and the second permanent magnet are vertically arranged, and are mutually parallel, first Permanent magnet and the magnetic pole in two opposite faces of the second permanent magnet are on the contrary, the first permanent magnet and the second permanent magnet shape in polishing container At stable magnetic field;
Step 2:Negative electrode is fixed in the fixing axle of blade, and the liquid metal polishing fluid for being mixed with abrasive grain is poured into It polishes in container, until submerging entire blade needs the part processed;
Step 3:The head cover for covering polishing container, polishes and is provided with through-hole on the head cover of container, stick-like positive electrode is inserted Entering into the through-hole that is arranged on the head cover of polishing container, positive electrode lower end, which enters, to be mixed in the liquid metal polishing fluid of abrasive grain, And the upper end connection of positive electrode can drive the leading screw drive module that positive electrode moves up and down, leading screw drive module is by ball wire Thick stick, feed screw nut, first motor, shaft coupling, connector and gripper shoe groups at;
Step 4:Positive electrode is controlled by operation console and negative electrode is powered, and makes negative electrode and positive electrode in polishing container Form stable sine wave electric field;
Step 5:Start first motor, utilizes first motor, ball-screw, feed screw nut, shaft coupling, connector and branch The lead-screw driving device driving positive electrode for the positive electrode that fagging is constituted moves up and down in the vertical direction, until positive electrode and negative electricity The sine wave electric field that pole is formed is stablized in the region where blade;
Step 6:Start the second motor, the first permanent magnet (8) and the second permanent magnet (12) are driven using bar-link drive Linear reciprocating motion is done in the horizontal direction, and magnetic field is generated between the first permanent magnet (8) and the second permanent magnet (12) also along straight line Direction moves back and forth;Sine wave electric field and the first permanent magnet that positive electrode and negative electrode are formed and the magnetic field that the second permanent magnet is formed It is combined so that the region where blade of the liquid metal ion in liquid metal polishing fluid carries out high-frequency vibration;Liquid gold Belong to the abrasive grain for carrying and being blended in inside liquid metal polishing fluid in high-frequency vibration to move together, abrasive grain polishes blade needs Region is efficiently polished.
The beneficial effects of the present invention are:
(1) present invention is polished workpiece by the metal ion in polishing metal liquid, and metal-polishing liquid can polish Subtleer surface, the polishing precision higher of acquisition.
(2) present invention is polished blade by being mixed with the liquid metal polishing fluid of abrasive grain, and liquid metal ion is in electricity It is moved under the action of field and magnetic field, and then drives the movement of the abrasive grain in liquid metal polishing fluid, by abrasive grain to blade Surface is processed, and improves processing efficiency.
(3) present invention is moved up and down using leading screw drive module driving positive electrode, and positive electrode and negative electrode is made to be formed just String wave electric field is stablized in blade region, while the second motor drives the first permanent magnet and second by linkage rod slide block mechanism Set of permanent magnets at integrated reciprocating move along a straight line, generate the magnetic field of reciprocating motion, the two is combined so that liquid metal is in blade The metal ion high-frequency vibration of place polishing area, and then the high-frequency vibration of the abrasive grain with polishing area where movable vane piece, to Efficiently blade edge is polished using abrasive grain.
(4) present invention is polished workpiece without specific machinery, but electric field and magnetic field is used to throw liquid metal Light liquid directly controls, and control mode is simple, and overall structure is simple, is easy to safeguard.
(5) electric field is formed by positive electrode and negative electrode, two blocks of electromagnet form magnetic field, and electric field is mutually tied with magnetic field control It closes, can realize that curved surface is polished without dead angle at any angle.
Description of the drawings
Fig. 1 is a kind of axonometric drawing of the liquid metal burnishing device of the two-way variation of electric field magnetic field of the present invention.
Fig. 2 is a kind of left view of the liquid metal burnishing device of the two-way variation of electric field magnetic field of the present invention.
Fig. 3 is that a kind of backsight broken section structure of the liquid metal burnishing device of the two-way variation of electric field magnetic field of the present invention is shown It is intended to.
In figure, 1- operation consoles, 2- positive electrodes, 3- connectors, 4- ball-screws, 5- ball-screws seat, 6- first motors, 7- Support plate, the first permanent magnets of 8-, 9- liquid metals polishing fluid, 10- polishings cavity, 11- blades, the second permanent magnets of 12-, 13- are thrown Light container, 14- negative electrodes, 15- workbenches, 16- fixing axles, the second motors of 17-, 18- linkage rod slide block mechanisms.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2 and Figure 3, the liquid metal burnishing device of the two-way variation of a kind of electric field magnetic field, including operation console 1, the first permanent magnet 8, first motor 6, the second motor, linkage rod slide block mechanism, ball-screw 4, ball-screw seat 5, support plate 7, Feed screw nut, blade 11, connector 3, positive electrode 2, the second permanent magnet 12, negative electrode 14, liquid metal polishing fluid 9, polishing are held Device 13, workbench 15, fixing axle 16 and polishing cavity 10, the operation console 1 and polishing container 13 are installed in workbench On 15;Polishing container 13 is internally provided with the polishing cavity 10 for accommodating liquid metal polishing fluid 9, the both sides difference of polishing cavity 10 First permanent magnet 8 and the second permanent magnet 12 are installed, and the first permanent magnet 8 and the second permanent magnet 12 are arranged in parallel vertically, the The magnetic pole in one permanent magnet 8, two faces mutually close with the second permanent magnet 12 is opposite;Second motor is fixed on workbench, Second motor connects the first permanent magnet and the second permanent magnet by linkage rod slide block mechanism, and when the second motor movement passes through connecting rod slider Mechanism drives the first permanent magnet and the second permanent magnet along straight reciprocating motion;Blade 11 is fixedly mounted on polishing by fixing axle 16 13 inside of container is simultaneously fully immersed in the liquid metal polishing fluid 9 of polishing cavity 10;The negative electrode 14 is arranged in blade 11 Fixing axle 16 on, for positive electrode 2 in stick-like, positive electrode 2 is vertically arranged in the surface of blade 11, the setting of 13 upper end of polishing container There are circular hole, positive electrode 2 that the circular hole of 13 top of polishing container, the lower end of positive electrode 2 is passed through to be immersed in liquid metal polishing fluid 9, The top of positive electrode 2 is fixedly connected with connector 3;The upper end of the polishing container 13 is additionally provided with support plate 7, first motor 6 It is vertically installed in support plate 7, the upper end connection first motor 6 of ball-screw 4 is simultaneously driven by first motor 6, ball-screw 4 Lower end is connected to the top of polishing container 13 by ball-screw seat 5;Feed screw nut, leading screw are additionally provided on the connector 3 Nut is sleeved on ball-screw 4, by driving ball-screw 4 to rotate when first motor 6 moves, and then is driven by leading screw spiral shell What female, connector 3 and positive electrode 2 formed moves up and down in overall.
The negative electrode 14 is arc-shaped, and negative electrode 14 is attached to the lower end of the fixing axle 16 for fixed blade 11.
The first motor 6 connects the upper end of ball-screw 4 by shaft coupling.
The negative electrode 14 and positive electrode 2 are connect with operation console, and negative electrode 14 and positive electrode 2 are controlled by operation console 1 Energization situation.
Operation console 1 is changed by changing the size of the power frequency or electric voltage frequency that flow through positive electrode 2 by 2 He of positive electrode Negative electrode 14 forms the state of electric field.Positive electrode 2 and negative electrode 14 be formed by sine wave direction of an electric field and the first permanent magnet 8 and The magnetic direction that second permanent magnet 12 is formed is mutually perpendicular to.
The liquid metal polishing fluid 9 is the liquid metal polishing fluid 9 for including abrasive grain.The liquid metal polishing fluid 9 In liquid metal be gallium ion, rubidium ion, one or more of cesium ion compound.
A kind of liquid metal polishing method that electrode moves up and down, includes the following steps:
Step 1:Blade 11 is fixedly mounted on by fixing axle 16 inside polishing container 13, the both sides of container 13 are polished Face is equipped with the first permanent magnet 8 and the second permanent magnet 12 in advance respectively, and the first permanent magnet 8 and the second permanent magnet 12 are vertically arranged, And be mutually parallel, the magnetic pole in the first permanent magnet 8 and two opposite faces of the second permanent magnet 12 is on the contrary, the first permanent magnet 8 and second Permanent magnet 12 forms stable magnetic field in polishing container 13;First permanent magnet 8 and the second permanent magnet 12 connect the second motor and drive Dynamic linkage rod slide block mechanism;
Step 2:Negative electrode 14 is fixed in the fixing axle 16 of blade 11, and the liquid metal for being mixed with abrasive grain is polished Liquid 9 pours into polishing container 13, until submerging entire blade 11 needs the part processed;
Step 3:The head cover of polishing container 13 is covered, polishes and is provided with through-hole on the head cover of container 13, by stick-like positive electricity Pole 2 is inserted into the through-hole being arranged on the head cover of polishing container 13, and 2 lower end of positive electrode enters the liquid metal throwing for being mixed with abrasive grain In light liquid 9, and the upper end connection of positive electrode 2 can drive the leading screw drive module that positive electrode 2 moves up and down, leading screw drive module It is made of ball-screw 4, feed screw nut, first motor 6, shaft coupling, connector 3 and support plate 7;
Step 4:Positive electrode 2 is controlled by operation console and negative electrode 14 is powered, and negative electrode 14 and positive electrode 2 is made to polish Stable sine wave electric field is formed in container 13;
Step 5:Start first motor 6, utilizes first motor 6, ball-screw 4, feed screw nut, shaft coupling, connector 3 The lead-screw driving device driving positive electrode 2 of the positive electrode 2 constituted with support plate 7 moves up and down in the vertical direction, until positive electricity The sine wave electric field that pole 2 and negative electrode 14 are formed is stablized in the region where blade 11;
Step 6:Start the second motor, drives the first permanent magnet 8 and the second permanent magnet 12 in water using bar-link drive It is reciprocal also along rectilinear direction square magnetic field to be generated to doing linear reciprocating motion, between the first permanent magnet 8 and the second permanent magnet 12 Movement;The magnetic field phase that the sine wave electric field that positive electrode 2 and negative electrode 14 are formed is formed with the first permanent magnet 8 and the second permanent magnet 12 In conjunction with so that the region where blade 11 of the liquid metal ion in liquid metal polishing fluid 9 carries out high-frequency vibration;Liquid gold Belong to the abrasive grain for carrying and being blended in inside liquid metal polishing fluid 9 in high-frequency vibration to move together, abrasive grain needs to throw to blade 11 The region of light is efficiently polished.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into patent of the present invention Rights protection scope in.

Claims (9)

1. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field, it is characterised in that:Forever including operation console (1), first Magnet (8), first motor (6), the second motor, linkage rod slide block mechanism, ball-screw (4), ball-screw seat (5), support plate (7), feed screw nut, blade (11), connector (3), positive electrode (2), the second permanent magnet (12), negative electrode (14), liquid metal Polishing fluid (9), polishing container (13), workbench (15), fixing axle (16) and polish cavity (10), the operation console (1) and Polishing container (13) is installed on workbench (15);Polishing container (13), which is internally provided with, accommodates liquid metal polishing fluid (9) both sides of polishing cavity (10), polishing cavity (10) are separately installed with the first permanent magnet (8) and the second permanent magnet (12), And first permanent magnet (8) and the second permanent magnet (12) be arranged in parallel vertically, the first permanent magnet (8) and the second permanent magnet (12) phase The magnetic pole in two close faces is opposite;Second motor is fixed on workbench, and the second motor passes through linkage rod slide block mechanism Connect the first permanent magnet and the second permanent magnet, when the second motor movement passes through linkage rod slide block mechanism and drives the first permanent magnet and second Permanent magnet is along straight reciprocating motion;Blade (11) is fixedly mounted on polishing container (13) inside by fixing axle (16) and all soaks Not in the liquid metal polishing fluid (9) of polishing cavity (10);The negative electrode (14) is arranged in the fixing axle of blade (11) (16) on, positive electrode (2) is in stick-like, and positive electrode (2) is vertically arranged in the surface of blade (11), and polishing container (13) upper end is set It is equipped with circular hole, positive electrode (2) passes through the circular hole above polishing container (13), the lower end of positive electrode (2) to be immersed in liquid metal throwing In light liquid (9), the top of positive electrode (2) is fixedly connected with connector (3);The upper end of the polishing container (13) is additionally provided with branch Fagging (7), first motor (6) are vertically installed in support plate (7), the upper end of ball-screw (4) connection first motor (6) and by First motor (6) drives, and the lower end of ball-screw (4) is connected to the top of polishing container (13) by ball-screw seat (5);Institute It states and is additionally provided with feed screw nut on connector (3), feed screw nut is sleeved on ball-screw (4), logical when first motor (6) moves Drive ball-screw (4) rotation is crossed, and then drives the fortune lower on the whole being made of feed screw nut, connector (3) and positive electrode (2) It is dynamic.
2. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Institute State that negative electrode (14) is arc-shaped, and negative electrode (14) is attached to the lower end of the fixing axle (16) for fixed blade (11).
3. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Institute State the upper end that first motor (6) connects ball-screw (4) by shaft coupling.
4. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Institute It states negative electrode (14) and positive electrode (2) is connect with operation console, negative electrode (14) and positive electrode (2) are controlled by operation console (1) Energization situation.
5. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Behaviour Make platform (1) and is changed by positive electrode (2) and negative electricity by changing the size of the power frequency or electric voltage frequency that flow through positive electrode (2) Pole (14) forms the state of electric field.
6. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Just Electrode (2) and negative electrode (14) are formed by sine wave direction of an electric field and the first permanent magnet (8) and the second permanent magnet (12) formation Magnetic direction be mutually perpendicular to.
7. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Institute It is the liquid metal polishing fluid (9) for including abrasive grain to state liquid metal polishing fluid (9).
8. a kind of liquid metal burnishing device of the two-way variation of electric field magnetic field according to claim 1, it is characterised in that:Institute State the compound that the liquid metal in liquid metal polishing fluid (9) is one or more of gallium ion, rubidium ion, cesium ion.
9. the liquid metal polishing method that a kind of electrode moves up and down, it is characterised in that:Include the following steps:
Step 1:Blade (11) is fixedly mounted on polishing container (13) inside by fixing axle (16), polishing container (13) Two sides are equipped with the first permanent magnet (8) and the second permanent magnet (12), the first permanent magnet (8) and the second permanent magnet (12) in advance respectively It is vertically arranged, and is mutually parallel, the magnetic pole in the first permanent magnet (8) and two opposite faces of the second permanent magnet (12) is on the contrary, One permanent magnet (8) and the second permanent magnet (12) form stable magnetic field in polishing container (13);First permanent magnet (8) and second Permanent magnet (12) connects the second motor-driven linkage rod slide block mechanism;
Step 2:Negative electrode (14) is fixed in the fixing axle (16) of blade (11), and the liquid metal for being mixed with abrasive grain is thrown Light liquid (9) pours into polishing container (13), until submerging entire blade (11) needs the part processed;
Step 3:The head cover of polishing container (13) is covered, through-hole is provided on the head cover of polishing container (13), by stick-like positive electricity Pole (2) is inserted into the through-hole being arranged on the head cover of polishing container (13), and positive electrode (2) lower end enters the liquid for being mixed with abrasive grain In metal-polishing liquid (9), and the upper end connection of positive electrode (2) can drive the leading screw drive module that positive electrode (2) moves up and down, Leading screw drive module is by ball-screw (4), feed screw nut, first motor (6), shaft coupling, connector (3) and support plate (7) group At;
Step 4:Positive electrode (2) is controlled by operation console and negative electrode (14) is powered, and negative electrode (14) and positive electrode (2) is made to exist It polishes and forms stable sine wave electric field in container (13);
Step 5:Start first motor (6), utilizes first motor (6), ball-screw (4), feed screw nut, shaft coupling, connector (3) it moves up and down in the vertical direction with the lead-screw driving device driving positive electrode (2) of the positive electrode (2) of support plate (7) composition, Until the sine wave electric field that positive electrode (2) and negative electrode (14) are formed is stablized in the region where blade (11);
Step 6:Start the second motor, drives the first permanent magnet (8) and the second permanent magnet (12) in water using bar-link drive Square magnetic field is generated to doing linear reciprocating motion, between the first permanent magnet (8) and the second permanent magnet (12) also along rectilinear direction It moves back and forth;The sine wave electric field and the first permanent magnet (8) and the second permanent magnet (12) that positive electrode (2) and negative electrode (14) are formed The magnetic field of formation is combined so that region where blade (11) of the liquid metal ion in liquid metal polishing fluid (9) into Row high-frequency vibration;Liquid metal carries the abrasive grain being blended in inside liquid metal polishing fluid (9) in high-frequency vibration and moves together, Abrasive grain needs the region polished efficiently to be polished in blade (11).
CN201810490474.7A 2018-05-21 2018-05-21 Liquid metal polishing device and method with electric field and magnetic field changed bidirectionally Active CN108436743B (en)

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CN201810490474.7A CN108436743B (en) 2018-05-21 2018-05-21 Liquid metal polishing device and method with electric field and magnetic field changed bidirectionally

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CN108436743B CN108436743B (en) 2024-04-09

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CN117888051A (en) * 2024-03-15 2024-04-16 兰州交通大学 Magnetic field composite ultrasonic engine blade repairing and spraying device
CN117888051B (en) * 2024-03-15 2024-05-24 兰州交通大学 Magnetic field composite ultrasonic engine blade repairing and spraying device

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