CN102513625A - Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining - Google Patents
Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining Download PDFInfo
- Publication number
- CN102513625A CN102513625A CN2011104396019A CN201110439601A CN102513625A CN 102513625 A CN102513625 A CN 102513625A CN 2011104396019 A CN2011104396019 A CN 2011104396019A CN 201110439601 A CN201110439601 A CN 201110439601A CN 102513625 A CN102513625 A CN 102513625A
- Authority
- CN
- China
- Prior art keywords
- normally closed
- clip
- electromagnet
- wired
- exciting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005284 excitation Effects 0.000 title claims abstract description 16
- 238000003754 machining Methods 0.000 title abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims description 43
- 238000003825 pressing Methods 0.000 claims description 29
- 238000010892 electric spark Methods 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 12
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 239000000696 magnetic material Substances 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 6
- 230000002572 peristaltic effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 102200163550 rs63750580 Human genes 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
微细电火花加工用电磁驱动高频激振辅助进丝机构模块属于微细特种加工技术领域。该机构高频振动和蠕动进丝采用全电磁驱动分离控制方式；通过电磁驱动控制激振电磁铁动铁芯的高频振动，实现常闭夹丝夹子与电极丝一体化高频振动；常闭下夹子通过扭簧压紧夹块实现常闭夹紧电极丝，并利用吸盘式吸力电磁铁实现电控打开；常开上夹子利用圆管式推力电磁铁实现电控夹紧；下夹子安装在微进给驱动的滑块上，上夹子安装在固定支架上；协调控制上下夹子的夹紧和松开动作，并利用微进给驱动下夹子送给电极丝运动，实现微细电极丝的蠕动进给或回退。该机构用于微细电火花加工中，实现微细电极丝的高频低幅强迫辅助振动及蠕动式夹持进给，以提高加工效率和补偿电极丝损耗。
An electromagnetic-driven high-frequency excitation auxiliary wire-feeding mechanism module for micro electric discharge machining belongs to the technical field of micro special processing. The high-frequency vibration and creeping wire feeding of the mechanism adopt the separate control mode of full electromagnetic drive; the high-frequency vibration of the moving iron core of the exciting electromagnet is controlled by electromagnetic drive, and the high-frequency vibration of the normally closed wire clamp and the electrode wire is realized; the normally closed The lower clamp clamps the electrode wire normally closed by torsion spring, and uses the sucker type suction electromagnet to realize the electronic control opening; the normally open upper clamp uses the circular tube thrust electromagnet to realize the electronic control clamping; the lower clamp is installed on On the slider driven by micro-feed, the upper clip is installed on the fixed bracket; the clamping and loosening actions of the upper and lower clips are coordinated and controlled, and the micro-feed is used to drive the lower clip to send the electrode wire to move, so as to realize the peristaltic progress of the fine electrode wire Give or return. The mechanism is used in micro-EDM to realize high-frequency low-amplitude forced auxiliary vibration and peristaltic clamping feeding of micro-electrode wires to improve processing efficiency and compensate for electrode wire loss.
Description
Technical field
The invention belongs to fine special processing technology field, towards the fine electric spark processing of using fine long electrode silk, particularly a kind of fine electric spark processing is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation.
Background technology
Fine electric spark processing is as a kind of contactless special processing technology, has low machining stress, no machined burrs, can process process advantage such as high rigidity conductive material, can be applicable to the processing of minute aperture, fine groove, micro three-dimensional structure.
Yet; In fine electric spark processing,, make circulation of interpolar dielectric liquid and galvanic corrosion product shift out not smooth because discharge energy and discharging gap are more small; Cause that improper phenomenon such as short circuit, arcing frequently occurs in the processing, cause the fine electric spark working (machining) efficiency lower.
Research shows: the process of additional high rate low amplitude value vibration between tool-electrode and workpiece the two poles of the earth; Help producing in the dielectric liquid high frequency pressure waves, cavitation and pump and inhale effect; Promote the processing district dielectric liquid to flow and the discharge of galvanic corrosion product; Shift to improve interpolar discharge condition and point of discharge, can effectively improve the spark discharge rate, thereby improve the fine electric spark working (machining) efficiency.
High frequency vibrates by a narrow margin and can put on workpiece or the tool-electrode.The auxiliary mode of vibration of workpiece is difficult to be applied to have the workpiece processing of hyperspace station requirement, many spray orifice processing in the space angle such as diesel injector.The axially auxiliary mode of vibration of the micro-electrode silk (tool-electrode) that combines with servo feed has the light advantage of versatility and oscillating load.
At present, the auxiliary vibrating mechanism that is applied to spark machined mainly adopts Piezoelectric Ceramic.Practice shows, not only price is more expensive for auxiliary vibrating mechanism of piezoelectric type and driving power thereof, and vibration is transmitted and heating problem causes poor reliability and life-span low, and this has limited its commercial Application.
Summary of the invention
Add the efficient and the loss of compensating electrode silk in man-hour for the raising fine electric spark; Solve micro-electrode silk (Φ 0.1～0.3mm) auxiliary high frequency (1～4kHz) technical problem of (1～5 μ m) vibration and grip(per) feed by a narrow margin; And reaching performances such as vibration is directly transmitted, structure is small and exquisite, it is automatically controlled to be easy to, lower cost, the present invention provides a kind of fine electric spark processing to assist an into mechanism with the Electromagnetic Drive high-frequency excitation.
The technical scheme that the present invention adopts is:
This structure comprises often opens clip and normally closed clip two parts; Circular pipe type is often opened the push rod of clip electromagnet and is often opened clip insulation thread pressing block and is connected; Circular pipe type is often opened the clip electromagnet and is threaded with often opening the clip fixed support, often opens the clip fixed support and often opens clip insulation seal wire piece and be connected through screw; The normally closed clip electromagnet of sucked type is connected through electromagnet hold-down screw and normally closed clip end cap, and normally closed clip end cap is connected through end cap hold-down screw and outer skeleton frame, normally closed clip electromagnet periphery and outer skeleton frame inner headed face matched in clearance.
Normally closed clip armature and normally closed clip insulation thread pressing block are affixed, can open fixture block as a normally closed wired side; Dielectric support block, wired of conduction, the moving iron core of exciting electromagnet are affixed, as normally closed wired opposite side fixture block; Normally closed clip insulation thread pressing block and dielectric support block compress wire electrode through setting the normally closed clip torsion spring of pretightning force, through the dither of the moving iron core of Electromagnetic Drive control exciting electromagnet, realize the vibration of normally closed wired clip and wire electrode integral high frequency.
The conductive connection sheet through screw with the conduction wired be connected, conduct electricity wired compress wire electrode, current electrode is transmitted on the wire electrode; Insulating washer and insulating washer are isolated charged support leaf spring and outer skeleton frame insulation, and normally closed clip insulation thread pressing block is isolated the side insulation of charged wire electrode, and dielectric support block is isolated wired opposite side insulation with wire electrode of charged conduction; Dielectric support block and wired of conduction, the moving iron core of exciting electromagnet are affixed, vibrate by a narrow margin to transmit high frequency.
Conduct electricity wired be supported on the outer skeleton frame by leaf spring, normally closed clip insulation thread pressing block supports through torsion spring and wire electrode is pressed on wired of the conduction; Between wired of normally closed clip insulation thread pressing block and the conduction is the oat tail groove structure matched in clearance, with the clamping of accurate control electrode silk and unclamp actuating range.
Exciting electromagnet fixed core adopts the top and bottom interference fit to be fixed on the outer skeleton frame; Exciting permanent magnet and exciting electromagnet fixed core are fixed through the front-back interference fit; Exciting solenoid along continuous straight runs is on exciting electromagnet fixed core; The housing end cap is fixed on the outer skeleton frame through screw, and the housing end cap compresses exciting electromagnet fixed core in the horizontal direction.The moving iron core of exciting electromagnet receives the magnetic line of force effect of exciting permanent magnet and the generation of exciting solenoid simultaneously; When the counterclockwise magnetic line of force that the exciting solenoid produces is done the time spent; The magnetic field intensity of the following acting surface of the moving iron core of exciting electromagnet will be strengthened (equidirectional magnetic line of force stack); The magnetic field intensity of acting surface will weaken (the different direction magnetic line of force is offset) on the moving iron core of exciting electromagnet; This pulling force (attraction) of following acting surface that will make the moving iron core of exciting electromagnet promptly produces making a concerted effort of moving downward greater than the pulling force of last acting surface; According to this principle, switch the sense of current of exciting solenoid through the sine wave or the square wave alternating-current signal of telecommunication, and control the size of current of exciting solenoid, the forced vibration that can on the moving iron core of exciting electromagnet, produce setpoint frequency and amplitude.
Said outer skeleton frame is fixed on little feeding driving sliding block through screw, often opens the clip fixed support and is fixed on the fixed support.
Said support leaf spring cooperates the normally closed clip armature of support, normally closed clip insulation thread pressing block, wired of conduction, dielectric support block, the moving iron core of exciting electromagnet through axial step, supports leaf spring and is fixed on the outer skeleton frame through the leaf spring hold-down screw.
The said clip insulation thread pressing block of often opening does not have interference with the groove upper and lower surfaces of often opening clip insulation seal wire piece.
Be connected through gluing between said normally closed clip armature and the normally closed clip insulation thread pressing block; Between wired of said conduction and the dielectric support block through front and back mating surface interference fit and side high strength is gluing is connected; Between the moving iron core of said dielectric support block and exciting electromagnet through mating surface interference fit up and down and side high strength is gluing is connected.
Said normally closed clip armature adopts permeability magnetic material; Normally closed clip insulation thread pressing block adopts insulating materials; The conductive connection sheet adopts conductive material, and dielectric support block adopts the high rigidity insulating materials, conduct electricity wired block of employing conductive material; The moving iron core of exciting electromagnet fixed core and exciting electromagnet adopts soft magnetic materials, and the exciting permanent magnet adopts permanent-magnet material.
The invention has the beneficial effects as follows:
1, the present invention assists an into mechanism module for fine electric spark processing provides a kind of fine electric spark processing with the Electromagnetic Drive high-frequency excitation; Integrated micro-electrode silk high frequency vibrates and creeping motion type grip(per) feed dual-use function by a narrow margin, and the structure compact also is easy to be installed on the fine electric spark process equipment main shaft.
2, the auxiliary high frequency of mechanism module by a narrow margin vibrating function be applied in the fine electric spark process, can effectively increase the spark discharge rate, promptly significantly improve working (machining) efficiency.
3, through sine wave or square wave alternating-current signal of telecommunication control forced vibration frequency and amplitude; Normally closed and often open the unlatching and the closure of wired mechanism through level signal control; It is automatically controlled that auxiliary vibration frequency and amplitude, wire electrode creep feed or rollback all are easy to, and promptly controls easy.
4, design oat tail groove structure in the normally closed wired mechanism, can improve the micro-electrode silk and clamp and the action of releasing precision, helped improving the alignment precision of micro-electrode silk and guider.
5, producing under identical vibration frequency and the amplitude situation, comparing with auxiliary vibrating mechanism of existing Piezoelectric Ceramic and driving power thereof, the cost of mechanism module of the present invention and driving power thereof is lower and generate heat lessly, is expected to improve the reliability of commercial Application.
Description of drawings
Fig. 1 Electromagnetic Drive high-frequency excitation is assisted the into front view of a mechanism;
Fig. 2 assists the into vertical view of a mechanism for Electromagnetic Drive high-frequency excitation shown in Figure 1;
Fig. 3 assists the into side view of a mechanism for Electromagnetic Drive high-frequency excitation shown in Figure 1;
Fig. 4 is that the A-A of Fig. 1 is to cutaway view;
Fig. 5 is the partial view of Fig. 1;
Fig. 6 is a direct stress Electromagnetic Drive dither principle schematic;
Fig. 7 is a wire electrode creeping motion type grip(per) feed control procedure sketch map;
Label among the figure:
1-leaf spring hold-down screw; The 2-insulating washer; 3-supports leaf spring; The 4-insulating washer; The outer skeleton frame of 5-; The normally closed clip end cap of 6-; 7-electromagnet hold-down screw; The normally closed clip electromagnet of 8-; 9-end cap hold-down screw; The normally closed clip armature of 10-; The normally closed clip insulation of 11-thread pressing block; 12-often opens the clip electromagnet; 13-often opens clip insulation thread pressing block; 14-often opens the clip fixed support; 15-often opens clip insulation seal wire piece; The 16-wire electrode; The little feeding driving sliding block of 17-; 18-conductive connection sheet; The 19-dielectric support block; Wired of 20-conduction; The normally closed clip torsion spring of 21-; 22-exciting electromagnet fixed core; 23-exciting electromagnet moves iron core; 24-exciting solenoid; 25-exciting permanent magnet; 26-housing end cap; The 27-fixed support; 28-often drives the clip hold-down screw.
The specific embodiment
The invention provides a kind of fine electric spark processing and assist an into mechanism,, describe implementation step of the present invention, mechanical connection and matching relationship, course of action and operating procedure in detail below in conjunction with the accompanying drawing and the specific embodiment with the Electromagnetic Drive high-frequency excitation.At first explanation machinery constitutes, assembles connection and implementation step; Then, auxiliary high frequency in the fine electric spark process vibrate by a narrow margin and wriggle the into course of action and the control mode of silk are described.
1, explanation machinery of the present invention constitutes, assembles connection and implementation step
(1) like Fig. 1～frame for movement of the present invention shown in Figure 5, related components assembling annexation:
Circular pipe type is often opened the push rod of clip electromagnet 12 and is often opened clip insulation thread pressing block 13 and is connected; Circular pipe type is often opened clip electromagnet 12 and is often opened clip fixed support 14 and be threaded; Often open clip fixed support 14 and often open clip insulation seal wire piece 15 and be connected through screw; When assembling is often opened clip fixed support 14 and is often opened clip insulation seal wire piece 15; Guaranteeing often to open clip insulation thread pressing block 13 does not have interference with the groove upper and lower surfaces of often opening clip insulation seal wire piece 15, often opens clip fixed support 14 and is connected with fixed support 27 through often driving clip hold-down screw 28.The normally closed clip electromagnet 8 of sucked type is connected through electromagnet hold-down screw 7 and normally closed clip end cap 6, and normally closed clip end cap 6 is connected through end cap hold-down screw 9 and outer skeleton frame 5, normally closed clip electromagnet 8 peripheries and outer skeleton frame 5 inner headed face matched in clearance.Normally closed clip armature 10 is connected through gluing with normally closed clip insulation thread pressing block 11; Conduct electricity wired 20 with dielectric support block 19 through front and back mating surface interference fit and side high strength is gluing is connected; Dielectric support block 19 and the moving iron core 23 of exciting electromagnet are through mating surface interference fit up and down and side high strength is gluing is connected; Normally closed clip insulation thread pressing block 11 compresses wire electrode 16 with dielectric support block 19 through setting the normally closed clip torsion spring 21 of pretightning force; Conductive connection sheet 18 is connected through screw and wired 20 of conduction; Cooperates through the axial step that supports wired 20 of leaf spring 3 and conduction and to support normally closed clip armature 10, normally closed clip insulation thread pressing block 11, conduct electricity wired 20, dielectric support block 19, exciting electromagnet and move iron core 23; Support leaf spring 3 and be fixed on the outer skeleton frame 5 through leaf spring hold-down screw 1, insulating washer 2 will support leaf spring 3 and outer skeleton frame 5 insulation with insulating washer 4.Exciting electromagnet fixed core 22 employing top and bottom interference fit are fixed on the outer skeleton frame 5; Exciting permanent magnet 25 and exciting electromagnet fixed core 22 are fixed through the front-back interference fit; Exciting solenoid 24 along continuous straight runs are on exciting electromagnet fixed core 22; Housing end cap 26 is fixed on the outer skeleton frame 5 through screw, and housing end cap 26 compresses exciting electromagnet fixed core 22 in the horizontal direction, and outer skeleton frame 5 is fixed in little feeding driving sliding block 17 through screw.
(2) confirm the key components and parts material that electromagnetic exciting drives:
Normally closed clip armature 10 is electromagnetic pure iron DT4C; Normally closed clip insulation thread pressing block 11 is a High molecular weight polyethylene, and conductive connection sheet 18 is a phosphorus bronze sheet, and dielectric support block 19 is 95% aluminium oxide ceramics; Conduct electricity wired 20 be wear-resisting ledrite; Exciting electromagnet fixed core 22 is soft magnetic materials 1J21, and the moving iron core 23 of exciting electromagnet is soft magnetic materials 1J21, and exciting permanent magnet 25 is neodymium iron boron N38H.
(3) calculate exciting through numerical simulation and drive electric signal parameter:
According to electromagnetic exciting related components physical dimension and material, and main initial parameter (as shown in Figure 6): moving iron core 23 of effect gap A=0.005, exciting electromagnet between the moving iron core 23 of the number of turn 260 of exciting solenoid 24, exciting electromagnet fixed core 22 and exciting electromagnet and the effect gap B=0.05 between the exciting permanent magnet 25.
Utilize the emulation of finite element magnetic circuit to solve the moving iron core driving force relation of drive current and exciting electromagnet to be:
| Drive current | 1A | 1.5A | 2A | 2.5A | 3A |
| Moving iron core driving force | 15.4N | 16.7N | 17.88N | 18.96N | 20N |
Gross mass 22kg according to the normally closed clip armature of moving component 10, normally closed clip insulation thread pressing block 11, conductive connection sheet 18, dielectric support block 19, wired 20 of conduction, normally closed clip torsion spring 21, the moving iron core 23 of exciting electromagnet; Utilize inertia force principle F=ma and the above-mentioned moving iron core driving force F that solves; Promptly can calculate the acceleration a that the exciting parts can reach; Utilize theory of simple harmonic again, can calculate the theoretical vibration frequency and the amplitude of moving component.
Such as, the driving force 17.88N when utilizing drive current 2A calculates acceleration a=813m/s
2, the theoretical vibration frequency and the amplitude of the moving component that calculates are:
| Vibration frequency | 4.53kHz | 3.21kHz | 2.62kHz | 2.27kHz | 2.03kHz |
| Vibration amplitude | 1μm | 2μm | 3μm | 4μm | 5μm |
Through regulating the AC controling signal of input current (2A) and incoming frequency (2.62kHz), the output of auxiliary vibration frequency (2.62kHz) that promptly can obtain setting and amplitude (3 μ m).
(4) circular pipe type is often opened clip electromagnet 12 and the normally closed clip electromagnet 8 of sucked type, can select the existing parts product that meets electromagnetic force and dimensional structure requirement for use.Check circular pipe type through design and experiment and often open clip electromagnet 12 and the normally closed electromagnetic force of clip electromagnet 8 down of sucked type; Guarantee that normally closed down clip overcomes normally closed clip torsion spring 21 pretightning forces and can realize opening, the frictional resistance the when thrust of often opening the closed wire electrode 16 of clip can overcome wire electrode 16 gravity and advance and retreat wire electrode 16.
2, explanation the present invention auxiliary high frequency in fine electric spark process course of action and control mode of vibrating by a narrow margin and wriggle into thread
In the fine electric spark process, often to open clip electromagnet 12 dead electricity and keep unclamping wire electrode 16, normally closed clip electromagnet 8 dead electricity down keep clamping electrode silk 16; Be (2A) according to the resistance (8.2 Ω) of exciting solenoid 24 and the drive current that draws; Adopt square wave (or sinusoidal wave) ac signal of setting amplitude (16.4V) and setpoint frequency (2.62kHz) to input to exciting solenoid 24; The forced vibration that can on the moving iron core 23 of exciting electromagnet, produce setpoint frequency (2.62kHz) and amplitude (3 μ m) is with effective increase fine electric spark processing discharge rate.
Before fine electric spark processing, need carry out wire electrode 16 creeping motion type grip(per) feeds; Integration loss or feeder electrode silk 16 with compensating electrode silk 16 arrive machining area; After machining, need carry out wire electrode 16 creeping motion type clamping rollbacks, from workpiece, wire electrode 16 is withdrawed from machining area.Wire electrode 16 creeping motion type grip(per) feed control action processes (as shown in Figure 7): under Fig. 7 (1) normality; Closure is often opened clamp wire electrode 16; Open normally closed clip down and unclamp wire electrode 16 (shown in Fig. 7 (2)); Little feeding driving sliding block 17 drives normally closed stroke of clip rollback (shown in Fig. 7 (3)) down of opening, and closed normally closed clamp wire electrode 16 is down opened and often driven clip and unclamp wire electrode 16 (shown in Fig. 7 (4)); Little feeding driving sliding block 17 drives normally closed stroke of clip feeding (shown in Fig. 7 (5)) down, promptly realizes stroke of creeping motion type grip(per) feed of wire electrode 16.In like manner, can coordinate to control stroke of creeping motion type clamping rollback of realizing wire electrode 16.
Claims (6)
1. fine electric spark processing is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation; Comprise and often open clip and normally closed clip two parts; Circular pipe type is often opened the push rod of clip electromagnet (12) and is often opened clip insulation thread pressing block (13) and is connected; Circular pipe type is often opened clip electromagnet (12) and is threaded with often opening clip fixed support (14), often opens clip fixed support (14) and often opens clip insulation seal wire piece (15) and be connected through screw; The normally closed clip electromagnet of sucked type (8) is connected through electromagnet hold-down screw (7) and normally closed clip end cap (6); Normally closed clip end cap (6) is connected through end cap hold-down screw (9) and outer skeleton frame (5); Normally closed clip electromagnet (8) periphery and outer skeleton frame (5) inner headed face matched in clearance is characterized in that
Normally closed clip armature (10) and normally closed clip insulation thread pressing block (11) are affixed, can open fixture block as a normally closed wired side; Dielectric support block (19), conduction wired (20), the moving iron core (23) of exciting electromagnet are affixed, as normally closed wired opposite side fixture block; Normally closed clip insulation thread pressing block (11) compresses wire electrode (16) with dielectric support block (19) through setting the normally closed clip torsion spring of pretightning force (21); Through the dither of the moving iron core (23) of Electromagnetic Drive control exciting electromagnet, realize the vibration of normally closed wired clip and wire electrode (16) integral high frequency;
Conductive connection sheet (18) through screw with the conduction wired (20) be connected, conduct electricity wired (20) compress wire electrode (16), current electrode is transmitted on the wire electrode (16); Insulating washer (2) and insulating washer (4) are isolated charged support leaf spring (3) and outer skeleton frame (5) insulation; Normally closed clip insulation thread pressing block (11) will charged wire electrode (16) side insulation isolate, dielectric support block (19) will charged conduction the isolation of insulating of the opposite side of wired (20) and wire electrode (16); Dielectric support block (19) and conduction wired (20), the moving iron core (23) of exciting electromagnet are affixed, vibrate by a narrow margin to transmit high frequency;
Conduct electricity wired (20) be supported on the outer skeleton frame (5) by leaf spring (3), normally closed clip insulation thread pressing block (11) supports through torsion spring (21) and wire electrode (16) is pressed on and conducts electricity on wired (20); Normally closed clip insulation thread pressing block (11) and conduction are the oat tail groove structure matched in clearance between wired (20), with the clamping of accurate control electrode silk (16) and unclamp actuating range;
Exciting electromagnet fixed core (22) adopts the top and bottom interference fit to be fixed on the outer skeleton frame (5); Exciting permanent magnet (25) is fixed through the front-back interference fit with exciting electromagnet fixed core (22); Exciting solenoid (24) along continuous straight runs is on exciting electromagnet fixed core (22); Housing end cap (26) is fixed on the outer skeleton frame (5) through screw, and housing end cap (26) compresses exciting electromagnet fixed core (22) in the horizontal direction.
2. fine electric spark processing according to claim 1 is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation; It is characterized in that; Said outer skeleton frame (5) is fixed on little feeding driving sliding block (17) through screw, often opens clip fixed support (14) and is fixed on the fixed support (27).
3. fine electric spark processing according to claim 1 is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation; It is characterized in that; Said support leaf spring (3) cooperates support normally closed clip armature (10), normally closed clip insulation thread pressing block (11), conduction wired (20), dielectric support block (19), the moving iron core (23) of exciting electromagnet through axial step, supports leaf spring (3) and is fixed on the outer skeleton frame (5) through leaf spring hold-down screw (1).
4. fine electric spark processing according to claim 1 is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation, it is characterized in that, the said clip insulation thread pressing block (13) of often opening does not have interference with the groove upper and lower surfaces of often opening clip insulation seal wire piece (15).
5. fine electric spark processing according to claim 1 is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation, it is characterized in that, is connected through gluing between said normally closed clip armature (10) and the normally closed clip insulation thread pressing block (11); Between said conduction wired (20) and the dielectric support block (19) through front and back mating surface interference fit and side high strength is gluing is connected; Between the moving iron core (23) of said dielectric support block (19) and exciting electromagnet through mating surface interference fit up and down and side high strength is gluing is connected.
6. fine electric spark processing according to claim 1 is assisted an into mechanism with the Electromagnetic Drive high-frequency excitation; It is characterized in that; Said normally closed clip armature (10) adopts permeability magnetic material, and normally closed clip insulation thread pressing block (11) adopts insulating materials, and conductive connection sheet (18) adopts conductive material; Dielectric support block (19) adopts the high rigidity insulating materials; Conduct electricity wired (20) adopt conductive material, the moving iron core (23) of exciting electromagnet fixed core (22) and exciting electromagnet adopts soft magnetic materials, exciting permanent magnet (25) employing permanent-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104396019A CN102513625B (en) | 2011-12-23 | 2011-12-23 | Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104396019A CN102513625B (en) | 2011-12-23 | 2011-12-23 | Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102513625A true CN102513625A (en) | 2012-06-27 |
| CN102513625B CN102513625B (en) | 2013-12-04 |
Family
ID=46284835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104396019A Expired - Fee Related CN102513625B (en) | 2011-12-23 | 2011-12-23 | Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102513625B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014889A (en) * | 2014-05-14 | 2014-09-03 | 杨斌堂 | Precise electrode feeding device and working method thereof |
| CN104942385A (en) * | 2015-06-25 | 2015-09-30 | 沈阳理工大学 | Guide adjustment mechanism of micro electric spark machining machine |
| CN105127529A (en) * | 2015-09-06 | 2015-12-09 | 清华大学 | Rotating feeding spindle head mechanism applicable to wire discharge grinding for micro electric spark machining |
| CN111097980A (en) * | 2020-01-06 | 2020-05-05 | 广东工业大学 | Electrically controlled electromagnet high-frequency vibration micromachining platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4379959A (en) * | 1979-10-04 | 1983-04-12 | Inoue-Japax Research Incorporated | Method of and apparatus for wire-cutting a workpiece by electroerosion |
| JPS6067030A (en) * | 1983-09-22 | 1985-04-17 | Inoue Japax Res Inc | Wire-cut electric-discharge device |
| JPH0667030A (en) * | 1992-08-21 | 1994-03-11 | Nippon Sheet Glass Co Ltd | Structure for absorbing volume expansion in case of optical waveguide device |
| CN1266764A (en) * | 2000-04-14 | 2000-09-20 | 清华大学 | Electrospark equipment for machining precise fine holes |
| CN101362236A (en) * | 2008-05-19 | 2009-02-11 | 清华大学 | Feed and guide mechanism of fine electrode wire for micro electric discharge machining |
| CN101554704A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Micro-feed mechanism with normal stress, solenoid drive and super-high frequency response |
-
2011
- 2011-12-23 CN CN2011104396019A patent/CN102513625B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4379959A (en) * | 1979-10-04 | 1983-04-12 | Inoue-Japax Research Incorporated | Method of and apparatus for wire-cutting a workpiece by electroerosion |
| JPS6067030A (en) * | 1983-09-22 | 1985-04-17 | Inoue Japax Res Inc | Wire-cut electric-discharge device |
| JPH0667030A (en) * | 1992-08-21 | 1994-03-11 | Nippon Sheet Glass Co Ltd | Structure for absorbing volume expansion in case of optical waveguide device |
| CN1266764A (en) * | 2000-04-14 | 2000-09-20 | 清华大学 | Electrospark equipment for machining precise fine holes |
| CN101362236A (en) * | 2008-05-19 | 2009-02-11 | 清华大学 | Feed and guide mechanism of fine electrode wire for micro electric discharge machining |
| CN101554704A (en) * | 2009-05-11 | 2009-10-14 | 清华大学 | Micro-feed mechanism with normal stress, solenoid drive and super-high frequency response |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014889A (en) * | 2014-05-14 | 2014-09-03 | 杨斌堂 | Precise electrode feeding device and working method thereof |
| CN104942385A (en) * | 2015-06-25 | 2015-09-30 | 沈阳理工大学 | Guide adjustment mechanism of micro electric spark machining machine |
| CN105127529A (en) * | 2015-09-06 | 2015-12-09 | 清华大学 | Rotating feeding spindle head mechanism applicable to wire discharge grinding for micro electric spark machining |
| CN111097980A (en) * | 2020-01-06 | 2020-05-05 | 广东工业大学 | Electrically controlled electromagnet high-frequency vibration micromachining platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102513625B (en) | 2013-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106329814B (en) | Displacement drive device based on interaction of permanent magnet and electromagnet | |
| JP2017517859A (en) | Electronic hollow conductor for electromagnetic machinery | |
| CN104963985B (en) | A kind of MR damper of integrated energy retracting device | |
| CN102513625A (en) | Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining | |
| CN104167897B (en) | A kind of plate transverse magnetic flux switching permanent-magnetism linear motor | |
| CN103746597A (en) | Paster T-shaped dual-feet linear piezoelectric supersonic motor vibrator | |
| CN102545533A (en) | Linear oscillation generator | |
| CN106253522A (en) | A kind of tangential magnet-steel structure axial magnetic field high torque density permanent magnet disc motor | |
| CN203747691U (en) | Precise controllable micro power component | |
| CN108880185A (en) | A kind of linear actuating device and linear electric machine | |
| CN102361412A (en) | Patch type rectangular four-foot linear ultrasonic motor vibrator | |
| CN210716205U (en) | Magnetic fluid sealing valve | |
| CN201274447Y (en) | DC motor armature end sheet construction | |
| CN108336882B (en) | A beam-type micro-actuator based on the principle of electromagnetic self-excited vibration | |
| CN104716864A (en) | Linear piezoelectric motor of inertia type middle-sized structure and control method thereof | |
| CN207869012U (en) | A kind of oscillator movable type high thrust linear piezoelectric motor | |
| CN102938591A (en) | Magnetic pole box with location boss | |
| CN203910866U (en) | AC-powered piezoelectric ceramic fan | |
| CN202444400U (en) | Linear oscillation generator | |
| CN201708711U (en) | Linear feed ultrasonic motor | |
| CN110022084A (en) | A kind of rod-type magnetic repulsion driving method based on piezoelectric ceramics | |
| CN208597017U (en) | A Halbach Permanent Magnet Array Vibration Generator | |
| CN206077191U (en) | A kind of Micro magnetic driving pump | |
| CN206689795U (en) | Eliminate the magnetic-force positioning device of cutting stress | |
| CN204755715U (en) | Magneto rheological damper of integrated energy recuperation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |