CN105127529B - Discharge the micro EDM swivel feeding mainshaft head mechanism being ground suitable for line - Google Patents

Discharge the micro EDM swivel feeding mainshaft head mechanism being ground suitable for line Download PDF

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Publication number
CN105127529B
CN105127529B CN201510561439.6A CN201510561439A CN105127529B CN 105127529 B CN105127529 B CN 105127529B CN 201510561439 A CN201510561439 A CN 201510561439A CN 105127529 B CN105127529 B CN 105127529B
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China
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normally closed
rotary shaft
normally opened
platen
normally
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CN105127529A (en
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佟浩
李勇
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Tsinghua University
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Tsinghua University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H11/00Auxiliary apparatus or details, not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23HWORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H1/00Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric

Abstract

The invention discloses a kind of micro EDM swivel feeding mainshaft head mechanism for grinding of being discharged suitable for line, including:Processing feeding sliding block, creep feed part, the hollow shaft motor and the first drive component being located on creep feed part, platen component, normally opened clip, it is fixed on the first bearing seat on processing feeding sliding block, normally closed clip and the second drive component, hollow shaft motor driving platen component is rotated, the moving member of first drive component driving platen component is moved up and down, normally opened clip includes normally opened rotary shaft and normally opened clamping piece, moving member drives the normally opened relatively normally opened rotary shaft of clamping piece to move up and down between open and closed positions, normally closed clip includes normally closed rotary shaft and normally closed clamping piece, second drive component coordinates to control normally closed clamping piece to open or close with normally closed clip.Thus, it is possible to which the elongated thin wire electrode to be repaired of clamped one time, realizes the functions such as the creep feed, high-precision rotary, rotation round angle positioning of slender electrode silk.

Description

Discharge the micro EDM swivel feeding mainshaft head mechanism being ground suitable for line
Technical field
The present invention relates to micro-NTM technical field, more particularly, to a kind of fine electricity fire for grinding of being discharged suitable for line Flower processing swivel feeding mainshaft head mechanism.
Background technology
In many modernization high-performance complex devices or MEMS, the small essence such as micropore, microflute, micro three-dimensional structure Close structure is often the core for determining its performance.Such as, require that there are tens micro-spraying holes, micro-spraying hole on industrial jet printer ink gun Diameter range is between 20 μm~40 μm, and the aperture precision of micro-spraying hole requires high, and general precision is needed below 2 μm.However, Processing method in correlation technique is difficult to meet small fine structure process technology requirement on special material or thin-wall part.
Micro-EDM Machining Technology has the advantages that high contactless, precision, impulse- free robustness, can processed after heat treatment, It is adapted to the precision manufactureing of conductive material micro-structure part.Micro EDM for fine structure, it is necessary to using with work The adaptable Micro Wire Electrode of skill process.To avoid the problems such as secondary clamping error and microoperation are difficult, being needed Micro Wire Electrode more Online to make, wherein Micro Wire Electrode refers to that diameter is less than 100 μm of wire electrode.Consider that elongated Micro Wire Electrode rigidity is low The Micro Wire Electrode produced before problem, use is unsuitable long, otherwise will influence fine structure machining accuracy and efficiency.Moreover, Due to there is more serious loss in Micro Wire Electrode use, micro-electrode after a period of time using needing to make online again Make.
Although line electric discharge method for grinding can realize that high-precision Micro Wire Electrode makes online, main still pass through rotates master Spindle nose clamps shorter one section of bar, and online one section of Micro Wire Electrode of making carries out micro EDM and used, using rear fine Export license shortens, then artificial one section of bar of clamping again repeats said process.This process efficiency is low, it is impossible to meet commercial Application Middle mass processes micro-structure demand, limits the application development of Micro-EDM Machining Technology.
In correlation technique, the swivel feeding mainshaft head mechanism of slender electrode can be achieved, is primarily suitable for using without WEDG The micropore electricity fire for the thin electrode of drawing that (wire electro-dischare grinding abbreviation, i.e. line electric discharge grinding) makes Flower processing, replaces folding and the sub- relative feed movement of double fastener, thin electrode creep feed is mended automatically by normally closed clip, normally opened clip Export license is repaid, but random irregular footpath jump error problem, thin electrode are introduced in clip pine folder because its guider has gap Hardly possible accurately ensures the not coaxial error problem in pivot problem, rotation axis and creep feed afterwards, it is difficult to meets WEDG and exists Line makes wriggling and the high-precision rotary requirement to micro-electrode.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art.Therefore, the invention reside in propose one The micro EDM swivel feeding mainshaft head mechanism for being suitable to line electric discharge grinding is planted, wriggling, high-precision rotary can be met Processing request.
According to the micro EDM swivel feeding mainshaft head mechanism for being suitable to line electric discharge grinding of the present invention, including: Support, the support includes processing feeding sliding block and creep feed part, and the creep feed part is located at the processing feeding sliding block Upper and relatively described processing feeding sliding block may move;Hollow shaft motor and the first drive component, the hollow shaft motor and described First drive component is respectively provided on the creep feed part;Platen component, the platen component and the hollow shaft motor phase Even rotated with being driven by the hollow shaft motor, the platen component, which has, to be connected with first drive component with by described the The moving member that the driving of one drive component is moved up and down;Normally opened clip, the normally opened clip includes hollow normally opened rotary shaft and normal Clamping piece is opened, the upper end of the normally opened rotary shaft is connected with the platen component, the normally opened clamping piece leads to the moving member Connecting tube is crossed to be connected to cause the relatively described normally opened rotary shaft of the normally opened clamping piece between open and closed positions It can move up and down, in the closed position, the normally opened clamping piece coordinates to clamp wire electrode with the normally opened rotary shaft, described Connecting tube is connected with the motor shaft of the hollow shaft motor;First bearing seat provided with clutch shaft bearing, the first bearing seat It is fixed on the processing feeding sliding block;Normally closed clip, the normally closed clip includes hollow normally closed rotary shaft and normally closed clamping Part, the normally closed clamping piece is located at the lower end of the normally closed rotary shaft, upper end and the clutch shaft bearing of the normally closed rotary shaft Coordinate, limit chamber in the normally closed rotary shaft, the lower end of the normally opened rotary shaft is slidably matched and driven with the chamber The normally closed rotary shaft is rotated, and the lower end of the normally closed rotary shaft is provided with guider, the wire electrode through the guider and It is clamped on the normally closed clamping piece;Second drive component, second drive component is located at the support or the first axle Coordinate in bearing and with the normally closed clip to control the normally closed clamping piece to open or close.
, can be with one according to the micro EDM swivel feeding mainshaft head mechanism for being suitable to line electric discharge grinding of the present invention The secondary elongated thin wire electrode to be repaired of clamping, realizes the work(such as the creep feed, high-precision rotary, rotation round angle positioning of slender electrode silk Energy.
In certain embodiments, the platen component includes:Shaft coupling, the electricity of the shaft coupling and the hollow shaft motor Arbor is connected;Connector, the connector is fixed on the lower surface of the shaft coupling, and the upper end of the normally opened rotary shaft is fixed On the connector;Platen, the platen is movably arranged on the connector to limit the moving member, the company The two ends of admittance pipe are separately fixed on the platen and the normally opened clamping piece, first drive component and the platen phase Connect to drive the platen to move up and down.
In certain embodiments, the upper end of the connecting tube stretches out the platen to extend into the shaft coupling.
In certain embodiments, the micro EDM swivel feeding mainshaft head mechanism of the grinding of being discharged suitable for line Also include being provided with second bearing in second bearing seat, the second bearing seat, the normally opened rotary shaft is matched somebody with somebody with the second bearing Close.
In certain embodiments, the connector includes:Multiple connection masts, the multiple connection mast is respectively provided at institute State between normally opened rotary shaft and the shaft coupling, the platen be provided with multiple moving hole, the multiple moving hole with it is described many Individual connection mast, which is corresponded, to be set, and each moving hole coordinates with the corresponding connection mast movement.
In certain embodiments, first drive component includes the first pushing-type electromagnet and the first return unit, described the One pushing-type electromagnet is connected with the roof of the platen to promote the platen to move down, the two ends point of first return unit It is not connected with the bottom wall and the normally opened rotary shaft of the platen often to push up the platen.
In certain embodiments, the normally closed clamping piece includes the first holder and the second holder, first clamping Part is fixed in the normally closed rotary shaft, and second holder is movably located in the normally closed rotary shaft with described One holder coordinates or departed from;Second drive component includes:Normally closed clip depression bar, the normally closed clip depression bar is movably It is located in the normally closed rotary shaft often to promote second holder with first holder to coordinate to clamp the electrode Silk;Second pushing-type electromagnet, the second pushing-type electromagnet is fixed in the first bearing seat, the second pushing-type electromagnet Drive end be provided with link assembly, the link assembly include horizon bar;Fixture, the fixture is fixed on the first axle In bearing, the horizon bar is located on the fixture horizontally moveablely, and the second pushing-type electromagnet drives institute when being powered State horizon bar and move so that the normally closed clip depression bar departs from second holder towards the normally closed clip depression bar;The Two return units, second return unit is connected often to drive the horizon bar direction respectively with the horizon bar and the fixture Move in direction away from the normally closed clip depression bar.
In certain embodiments, provided with insulation contiguous block between the first bearing seat and the support.
In certain embodiments, insulation tube is provided with the motor shaft of the hollow shaft motor, the connecting tube is glass Pipe.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the overall structure schematic front view of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 2 is the overall structure schematic side view of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 3 is the allomeric function structural representation of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 4 is a partial cutaway schematic of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 5 is a partial schematic diagram of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 6 is another partial schematic diagram of swivel feeding mainshaft head mechanism according to embodiments of the present invention;
Fig. 7 is the sectional view that swivel feeding mainshaft head mechanism according to embodiments of the present invention clamps wire electrode;
Fig. 8 is that swivel feeding mainshaft head mechanism according to embodiments of the present invention carries out WEDG mass capillary processing processes Figure;
Fig. 9 is the aperture process that swivel feeding mainshaft head mechanism according to embodiments of the present invention proceeds without WEDG Figure;
Figure 10 is WEDG fundamental diagrams according to embodiments of the present invention.
Reference:
100:Swivel feeding mainshaft head mechanism;
1:Normally closed clamping piece;2:Clutch shaft bearing;3:Hollow shaft motor;4:Proximity switch;5:Connect mast;6:Normally opened rotation Axle;7:Straight pin;8:Normally closed rotary shaft;80:Chamber;9:Normally opened clamping piece;10:Micro Wire Electrode;11:First pushing-type electromagnetism Iron;12:Platen;13:Glass tube;14:First return unit;15:Guider;16:Second pushing-type electromagnet;17:Normally closed clip pressure Bar;18:Second return unit;19:Insulate contiguous block;20:Insulation tube;21:Processing feeding sliding block;22:Creep feed part;23:The One bearing block;24:Shaft coupling;25:Support;26:Second bearing seat;27:First holder;28:Second holder;29:Pin; 30:Fixture;31:Horizon bar;32:First trace;33:Second trace;40:Fine motor guiding mechanism.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This Outside, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be appreciated that The applicable property of other techniques and/or the use of other materials.
Below with reference to the accompanying drawings the micro EDM rotation for being suitable to line electric discharge grinding according to embodiments of the present invention is described Rotate into mainshaft head mechanism 100.
As shown in figure 1, the micro EDM swivel feeding for being suitable to line electric discharge grinding according to embodiments of the present invention Mainshaft head mechanism 100, including:Support 25, hollow shaft motor 3, the first drive component (can for example include described below first Return unit 14 of pushing-type electromagnet 11 and first etc.), the second drive component (can for example include normally closed clip depression bar described below 17th, the second pushing-type electromagnet 16, the return unit 18 of fixture 30 and second etc.), platen component (can for example include described below Shaft coupling 24, connection mast 5 and platen 12 etc.), normally opened clip (can for example include normally opened rotary shaft 6 described below With normally opened clamping piece 9 etc.) and normally closed clip (can for example include normally closed rotary shaft 8 and normally closed clamping piece 1 described below Deng).
Reference picture 1, support 25 includes:Processing feeding sliding block 21 and creep feed part 22, creep feed part 22 are located at processing Feed on sliding block 21 and relative processing feeding sliding block 21 may move, that is to say, that creep feed part 22 can be slided with processing feeding Block 21 is synchronized with the movement or relative motion.
Further, as shown in figure 1, the drive component of hollow shaft motor 3 and first is respectively provided on creep feed part 22.Example Such as, hollow shaft motor 3 can be fixed on creep feed part 22 by electric machine support, and the part of the first drive component is (such as under The first pushing-type electromagnet 11 described in text) it can be fixed on creep feed part 22, so that creep feed part 22 can drive admittedly Hollow shaft motor 3, the first pushing-type electromagnet 11 being scheduled on thereon are synchronized with the movement.
Reference picture 1, platen component is connected with hollow shaft motor 3 to drive rotation by hollow shaft motor 3, and platen component has It is connected to drive the moving member (such as platen 12 described below) moved up and down by the first drive component with the first drive component. Thus, hollow shaft motor 3 can drive the overall opposite brackets 25 of platen component to rotate, and the first drive component can drive moving member Relative creep feeding part 22 is moved up and down.
Reference picture 1 and Fig. 5, normally opened clip are located at the top of normally closed clip, thus, the Micro Wire Electrode supplied from the top down 10 first can be controlled whether to clamp by normally opened clip, then control whether clamping by normally closed clip.Under normal circumstances, at normally opened clip Micro Wire Electrode 10 is not clamped in normally open, and normally closed clip is in normally off and clamps Micro Wire Electrode 10, so, usual feelings Under condition, the Micro Wire Electrode 10 supplied from the top down can first pass through normally opened clip, then by normally closed clamp.
Normally opened clip includes hollow normally opened rotary shaft 6 and normally opened clamping piece 9, and normally opened clamping piece 9 can be located in hollow Normally opened rotary shaft 6 in, normally opened clip is overall to be rotated under the driving effect of platen component with platen component synchronization, normally opened clip In normally opened clamping piece 9 under the driving effect of moving member relatively normally opened rotary shaft slid about 6.Specifically, normally opened rotation The upper end of axle 6 is connected with platen component, thus normally opened rotary shaft 6 can follow platen component synchronization rotate, normally opened clamping piece 9 with Moving member is connected by connecting tube, so that during the first drive component driving moving member is moved up and down, moving member driving Normally opened clamping piece 9 is synchronous to be moved up and down, and then causes the relatively normally opened rotary shaft 6 of normally opened clamping piece 9 in open position and close stance It can be moved up and down between putting, in open position, normally opened clamping piece 9 is in the normal state, the state of wire electrode 10 is discharged, in close stance Put, normally opened clamping piece 9 is changed into closed mode, clamps the state of wire electrode 10.
For example in the example of hgure 5, the bottom of normally opened rotary shaft 6 limits substantially back taper cylindrical cavity, normally opened clamping piece 9 For two elastic clips being oppositely arranged, when the relatively normally opened rotary shaft 6 of normally opened clamping piece 9 is moved downward, back taper cylindrical cavity Two elastic clips can be promoted bringing together, so that the closure of normally opened clamping piece 9 is realized, when normally opened clamping piece 9 is relatively normally opened Rotary shaft 6 upwards move when, two elastic clips are moved upward out out of back taper cylindrical cavity, recover elastic deformation and toward each other Remote direction is separated, so as to realize the opening of normally opened clamping piece 9.In short, normally opened clip positions the normal of clamping using the conical surface Clamping structure is opened, normally opened clamping piece 9 is positioned by male cone (strobilus masculinus) and the normally opened inner conical surface of rotary shaft 6, pass through the axial phase of normally opened clamping piece 9 Retreated for normally opened rotary shaft 6, the conical surface compresses or unclamps to realize clamping and release of the wire electrode 10 in normally opened clamping piece 9. Thus, not only make the compact structure of swivel feeding mainshaft head mechanism 100 compact, and facilitate gripping by the thinner electricity after unclamping The autoregistration of the axis and rotation axis of polar filament 10.
Connecting tube can glass tube 13 and to be connected with the motor shaft of hollow shaft motor 3, such as in the example of fig. 1, The motor shaft of hollow shaft motor 3 is hollow and vertically extended, and insulation tube 20 can be provided with motor shaft, to ensure rotation The safe and reliable work to mainshaft head mechanism 100 is rotated into, connecting tube is glass tube 13 and upper end can plug and be fixed on insulation In pipe 20, the lower end of connecting tube is fixed and is located in normally opened rotary shaft 6 with normally opened clamping piece 9, so as to be delivered from motor shaft Wire electrode 10 can be downwardly into connecting tube, wire electrode 10 pass through after connecting tube clamped by normally opened clamping piece 9 or Release.Here, release can be understood as to wire electrode 10 without clamping force.
Thus, connecting tube has two effects, is on the one hand to pass to normally opened clamping piece 9 to drive by the power of moving member Normally opened clamping piece 9 is moved up and down, and to control the opening and closing of normally opened clamping piece 9, on the other hand will be put into from motor shaft Wire electrode 10 is safely and reliably oriented to normally opened clamping piece 9.
Reference picture 1 and Fig. 4, normally closed clip are located at the lower section of normally opened clip, to cause distance to process the nearer normally closed folder in end Sub-folder holds wire electrode 10, so as to improve the rigidity and effective rate of utilization of wire electrode 10.Specifically, normally closed clip includes hollow Normally closed rotary shaft 8 and normally closed clamping piece 1, first bearing seat 23 be fixed on processing feeding sliding block 21 on, alternatively, clutch shaft bearing Seat 23 can be fixedly connected with processing feeding sliding block 21 by the contiguous block 19 that insulate, to improve the safety and reliability of work, Clutch shaft bearing 2 is provided with first bearing seat 23, normally closed rotary shaft 8 can be located to smooth rotation on support 25 by clutch shaft bearing 2, Normally closed clamping piece 1 is located at the lower end of normally closed rotary shaft 8, thus normally closed clamping piece 1 can follow the normally closed synchronous axial system of rotary shaft 8 and Translation.
Reference picture 4 and Fig. 6, the second drive component be located in support 25 or first bearing seat 23 and with normally closed clip coordinate with Control normally closed clip to open or close, that is to say, that the second drive component can be by the normally closed clamping piece 1 of itself action control at Wire electrode 10 is clamped in normality, is still changed into open mode release wire electrode 10.
As shown in Figure 4 and Figure 5, normally opened rotary shaft 6 and normally closed rotary shaft 8 synchronous axial system and can axially slide relative, and have For body, chamber 80 is limited in normally closed rotary shaft 8, the lower end of normally opened rotary shaft 6 and chamber 80 are in axially (such as institute in Fig. 4 The vertical direction shown) on without relative limit, the lower end of normally opened rotary shaft 6 is with chamber 80 in circumferential (such as level shown in Fig. 4 Circumferencial direction) on have a relative limit, for example can be by the cylinder that is plugged in along the normally opened radial direction of rotary shaft 6 in normally opened rotary shaft 6 Pin 7 carries out circumferential spacing.
Further, reference picture 6, the lower end of normally closed rotary shaft 8 is provided with guider 15, and wire electrode 10 is passed through after guider 15 And be clamped on normally closed clamping piece 1, that is to say, that the wire electrode 10 passed downwards from normally opened clamping piece 9 needs to be previously threaded through leading Normally closed clamping piece 1 is then passed through to device 15, often to be clamped by normally closed clamping piece 1.
Specifically, reference picture 6 and Fig. 7, in one embodiment of the invention, normally closed clamping piece 1 include the first holder 27 and second holder 28, the first holder 27 is fixed in normally closed rotary shaft 8, and the second holder 28 is movably located at normally closed To coordinate or depart from the first holder 27 in rotary shaft 8, wherein, when the second holder 28 and the cooperation of the first holder 27, Normally closed clamping piece 1 is closed to clamp wire electrode 10, when the second holder 28 and the disengaging of the first holder 27, normally closed clamping piece 1 Open to loosen wire electrode 10.Wherein, V-shaped groove can be limited on the second holder 28, for matching somebody with somebody with the first holder 27 The tight wire electrode 10 of co-clip.
So, due to being constrained using V-groove positioning and guider 15 simultaneously, it can accurately ensure slender electrode silk 10 normally opened Clip is positioned at pivot after wriggling, and ensures the rotation high accuracy of wire electrode 10 by lower end clutch shaft bearing 2, that is, Say, normally closed clip uses V-groove positioning clamping, be arranged on after the axis trimming of wire electrode 10 that will can be clamped in V-groove On the pivot of clutch shaft bearing 2, and the running accuracy of wire electrode 10 is ensured by the running accuracy of clutch shaft bearing 2.Normally closed clip When unclamping or clamping, the position of wire electrode 10 can also be constrained by the guider 15 of upper end, it is to avoid wire electrode 10 deviates V-type Groove.
To sum up, when hollow shaft motor 3 works, hollow shaft motor 3 can drive normally opened clip to turn by platen component etc. Dynamic, normally opened clip can drive normally closed clip synchronous axial system, when the first drive component works, and platen component can be led by connection Pipe drives the normally opened relatively normally closed clip of clamping piece 9 to move up and down, to realize the opening and closing of normally opened clamping piece 9, the second driving During component operation, it is possible to achieve the opening and closing of normally closed clamping piece 1.
So, during swivel feeding mainshaft head mechanism 100 carries out WEDG processing or processing array micropore, processing Sliding block 21 and the geo-stationary of creep feed part 22 are fed, normally opened clip is opened, normally closed clip is closed, the driving pressure of hollow shaft motor 3 Disk component, normally opened clip and normally closed clip synchronous axial system, so as to realize WEDG processing or the micropore action of processing array.
During swivel feeding mainshaft head mechanism 100 carries out the loss balancing of wire electrode 10, creep feed is driven first The relative processing feeding upward sliding of sliding block 21 of part 22, to drive normally opened clip to move up, is then driven normal by the first drive component Open clamping piece 9 to move down and make normally opened clip close clamping wire electrode 10, normally closed clip is then opened by the second drive component, then The relative processing feeding slide downward of sliding block 21 of creep feed part 22 is driven, normally closed clip is then closed by the second drive component and pressed from both sides Tight wire electrode 10, then drives normally opened clamping piece 9 to move up and opens normally opened clip, so as to complete electricity by the first drive component The loss balancing action of polar filament 10.
Thus, drive the type of drive of separation using processing Feed servo system and the compensation of the creep feed of wire electrode 10, it is specific and Speech, is driven using hollow shaft motor 3 and rotated, power and motion are passed into normally opened rotary shaft 6, normally opened rotation by platen component Power and motion are passed to normally closed rotary shaft 8 by axle 6 by circumference pin 7, and normally closed rotary shaft 8 is arranged on clutch shaft bearing 2, normally closed Clamping piece 1 clamps and drives the continuously rotation and circumferentially positioned of wire electrode 10, so that on the running accuracy of wire electrode 10 without influence, The running accuracy of wire electrode 10 can be ensured by clutch shaft bearing 2 when WEDG is processed, and then efficiently and securely improve processing Effect.
The micro EDM swivel feeding mainshaft head mechanism for being suitable to line electric discharge grinding according to embodiments of the present invention 100, can be with the elongated thin wire electrode 10 to be repaired of clamped one time, it is achievable that compared with slender electrode silk 10, (diameter is in 0.1mm~0.2mm Between, wire electrode of the length between 0mm~500mm) creep feed, high-precision rotary, rotation round angle positioning function, can The demand that repeatedly online WEDG makes and used of wire electrode 10 is met, the online producing efficiency of wire electrode 10 is improved and automatic Change degree, can be applied to the batch-automated micro EDM of micro-structure.
In short, utilize such a swivel feeding mainshaft head mechanism 100, it is to avoid rotary drive mechanism kinematic error is to electrode The influence of 10 running accuracies of silk, electrode when improving mainshaft mechanism for the online making of WEDG and for micro EDM 10 running accuracies of silk, are conducive to improving wire electrode 10 making precision and micro EDM precision online.
In one embodiment of the invention, reference picture 4 and Fig. 5, platen component include:Shaft coupling 24, connector are (for example Connection mast 5 described below) and platen 12, shaft coupling 24 is connected with the motor shaft of hollow shaft motor 3, and connector is fixed on On the lower surface of shaft coupling 24, the upper end of normally opened rotary shaft 6 is fixed on connector, so that hollow shaft motor 3 can pass through connection Axle device 24 and connector drive normally opened rotary shaft 6 to rotate, and platen 12 is movably arranged to limit moving member on connector, That is, platen 12 can be moved up and down along connector, so as to which platen 12 to be interpreted as to the moving member on platen component, connection The two ends of conduit are separately fixed on platen 12 and normally opened clamping piece 9, so as to can be driven during platen 12 is moved up and down Normally opened clamping piece 9 is moved up and down.Thus, platen component is simple in construction, is easy to process and realizes.Alternatively, connecting tube Platen 12 is stretched out to extend into shaft coupling 24 in upper end, and thus, connecting tube can be moved more smoothly.
In one embodiment of the invention, reference picture 4 and Fig. 5, connector include:Multiple connection masts 5, multiple connections Mast 5 is respectively provided between normally opened rotary shaft 6 and shaft coupling 24, the upper end of each connection mast 5 with the stationary phase of shaft coupling 24 Even, the lower end of each connection mast 5 is fixedly linked with normally opened rotary shaft 6, so that hollow shaft motor 3 can pass through shaft coupling 24th, connection mast 5 drives the normally opened synchronous rotary of rotary shaft 6, and platen 12 is provided with multiple moving hole, multiple moving hole and multiple companies Connect mast 5 and correspond setting, each moving hole coordinates with corresponding connection mast 5 movement, that is to say, that multiple connection masts 5 are located in multiple moving hole correspondingly respectively.Thus, platen 12 can be moved up and down along multiple connection masts 5, this Sample may insure that platen 12 is more smoothly moved up and down, and improve the job stability of swivel feeding mainshaft head mechanism 100.
Alternatively, reference picture 1, swivel feeding mainshaft head mechanism 100 also includes in second bearing seat 26, second bearing seat 26 Provided with second bearing, normally opened rotary shaft 6 coordinates with second bearing.Thus, normally opened rotary shaft 6 can be rotated more smoothly, be carried High processing effect.
In one embodiment of the invention, reference picture 5, the first drive component is connected with platen 12 for driving platen 12 move up and down, wherein, the first drive component can include the first pushing-type electromagnet 11 and the first return unit 14, the first pushing-type electricity Magnet 11 is connected with the roof of platen 12 to promote platen 12 to move down, the two ends of the first return unit 14 respectively with platen 12 Bottom wall and the roof of normally opened rotary shaft 6 only support often to push up platen 12.
For example in Fig. 4 and Fig. 5 example, the first pushing-type electromagnet 11 can be arranged symmetrically and be fixed on creep feed part On 22, platen 12 is promoted in the vertical direction.First return unit 14 is located at the lower surface and normally opened rotary shaft 6 of platen 12 Upper surface between, often to promote platen 12 to move up.So, pushed away by using the first pushing-type electromagnet 11 being arranged symmetrically The dynamic platen 12 being connected with glass tube 13, the first pushing-type electromagnet 11 can be transmitted motive force by platen 12 and glass tube 13 To normally opened clamping piece 9, when the first pushing-type electromagnet 11 is not powered on, elasticity of the platen 12 in the first return unit 14 (such as spring) In upper in the presence of power, the male cone (strobilus masculinus) of normally opened clamping piece 9 is separated with the inner conical surface of normally opened rotary shaft 6, to realize normally opened folder The release of son, in normally opened normality, when the first pushing-type electromagnet 11 is powered up, platen 12 compresses the first return unit 14, normally opened folder The male cone (strobilus masculinus) of component 9 is compressed with the normally opened inner conical surface of rotary shaft 6, the clamping of normally opened clip is realized, in abnormal closed mode.By This, the simple in construction of the first drive component, working effect are reliable.
Reference picture 6 and Fig. 7, the second drive component include:Normally closed clip depression bar 17, the second pushing-type electromagnet 16, fixture 30 and second return unit 18, normally closed clip depression bar 17 is movably located in normally closed rotary shaft 8 often to promote the second holder 28 and first holder 27 coordinate to clamp wire electrode 10.For example in the example of fig. 6, normally closed clip depression bar 17 passes through pin 29 It is pivotally arranged in normally closed rotary shaft 8, pin 29 can be located at the middle part of normally closed clip depression bar 17, normally closed clip depression bar 17 Elastic component can be provided between upper end and normally closed rotary shaft 8, elastic component is used for the upper end direction for often promoting normally closed clip depression bar 17 Away from normally closed rotary shaft 8 direction move so that the lower end of normally closed clip depression bar 17 can Chang Chaoxiang rotary shafts direction motion Often to promote the second holder 28 to coordinate with the first holder 27, so as to clamp wire electrode 10.
Reference picture 6, the second pushing-type electromagnet 16 is fixed in first bearing seat 23, and fixture 30 is fixed on first bearing seat On 23, the drive end (such as the lower end shown in Fig. 1) of the second pushing-type electromagnet 16 is provided with link assembly, and link assembly can be wrapped Horizon bar 31, the first trace 32 and the second trace 33 are included, horizon bar 31 is located on fixture 30 horizontally moveablely, when During the drive end of two pushing-type electromagnet 16 is moved up and down, it can be promoted by the first trace 32 and the second trace 33 Horizon bar horizontal reciprocating in fixture 30 is moved.
Specifically, the second pushing-type electromagnet 16 be powered when driving horizon bar 31 moved towards normally closed clip depression bar 17 so that The lower end for obtaining normally closed clip depression bar 17 departs from the second holder 28, for example in the example of fig. 6, and the second pushing-type electromagnet 16 leads to The second trace 33 can be caused to move down when electric, so as to promote horizon bar 31 towards normally closed clip depression bar by the first trace 32 17 direction promotes the upper end of normally closed clip depression bar 17 to be moved towards the direction of normally closed rotary shaft 8, so that under normally closed rotary shaft 8 End is directed away from the direction motion of normally closed rotary shaft 8, to loosen the second holder 28 so that the second holder 28 and the first clamping Part 27 departs from.
As shown in fig. 6, the second return unit 18 is connected often to drive the court of horizon bar 31 respectively with horizon bar 31 and fixture 30 Moved to the direction away from normally closed clip depression bar 17.Thus, by setting the second return unit 18 (such as spring), the second pushing-type electricity Magnet 16 promote horizon bar 31 towards normally closed rotary shaft 8 direction motion when, the second return unit 18 can be compressed, when close second After pushing-type electromagnet 16, the second return unit 18 can recover deformation, and horizon bar is promoted with the direction for being directed away from normally closed rotary shaft 8 31, so that normally closed clip depression bar 17, which is opened, can return to the state for often promoting the second holder 28 and the first holder 27 to coordinate, So as to normally closed clamping wire electrode 10.
So, link assembly is promoted by the second pushing-type electromagnet 16 of single-sided arrangement, the thrust of vertical direction is changed For horizontal direction, electromagnet thrust is passed into normally closed clip depression bar 17, when the second pushing-type electromagnet 16 is not powered on, second Under return unit 18 is acted on, horizon bar 31 is in right position, and normally closed clip depression bar 17 is in original position, normality is realized under spring force When normally closed clamp, when the second pushing-type electromagnet 16 is powered up, horizon bar 31 overcomes spring force, normally closed clip pressure in left position Bar 17 is open, and realizes that normally closed clip unclamps.
Referring to Fig. 1-Figure 10, briefly describe and the micro- of line electric discharge grinding is suitable to according to one specific embodiment of the present invention Thin electrical discharge machining swivel feeding mainshaft head mechanism 100, this swivel feeding mainshaft head mechanism 100 can realize that clamped one time is long Micro Wire Electrode 10, intermittent repeatedly or continuously in WEDG making more Micro Wire Electrode, (i.e. diameter is less than 100 μm of electrode Silk).
The composition of the swivel feeding mainshaft head mechanism 100 of the present invention, connection are described in detail below in conjunction with the accompanying drawings to close with coordinating System, action process and operating procedure, specifically, describe mechanical composition and assembly connection relation in detail, then introducing should first WEDG mass capillary processing processes are carried out with this swivel feeding mainshaft head mechanism 100 and processed without WEDG aperture Two application examples of journey illustrate the operating procedure and action process of the present invention.
Below, composition and the assembling of swivel feeding mainshaft head mechanism 100 are introduced.
Knowable to Fig. 1-Fig. 7, normally closed clamping piece 1 and the gluing fixation in lower end of normally closed rotary shaft 8, normally closed rotary shaft 8 and first The inner ring close interference of bearing 2 is affixed, and the outer ring of clutch shaft bearing 2 is fixed on processing feeding sliding block 21 by first bearing seat 23 On.Hollow shaft motor 3 is fixed on creep feed part 22 with the mode that proximity switch 4 is connected through a screw thread respectively.Normally opened rotation Axle 6 is fixed on creep feed part 22 and affixed with the close interference of straight pin 7, and straight pin 7 slides axially with normally closed rotary shaft 8 and connect Touch, and power and motion are passed into normally closed rotary shaft 8.Here, it is necessary to which explanation, the structure of proximity switch 4 and work are former It ought to be well known to those skilled in the art, I will not elaborate.
From Fig. 1 and Fig. 5, normally opened clamping piece 9 can be bivalve chuck, and by male cone (strobilus masculinus) and normally opened rotary shaft 6 The conical surface is positioned, and is retreated by the axial direction (such as the vertical direction shown in Fig. 1) of normally opened clamping piece 9, is realized wire electrode 10 normal Open the clamping and release in clamping piece 9.
From Fig. 1-Fig. 5, it is arranged symmetrically the first pushing-type electromagnet 11 and is fixed on creep feed part 22, can axially promote Platen 12, the upper end of normally opened clamping piece 9 and the lower end of glass tube 13 are gluing affixed, and platen 12 is gluing connected with glass tube 13, from And axial motive force can be passed into normally opened clamping piece 9 by the first pushing-type electromagnet 11 by platen 12 and glass tube 13, press The bottom of disk 12 is provided with the first return unit 14, and platen 12 is in the presence of the first return unit 14 in upper.Insulation tube 20 and sky The close interference of spindle motor 3 is affixed, and glass tube 13 is located in insulation tube 20.
From Fig. 1, Fig. 6, Fig. 7, normally opened clamping piece 9 clamps the wire electrode 10 in V-groove, guider by elastic deformation 15 is affixed with the normally closed close interference of rotary shaft 8.The axis of wire electrode 10 is in the presence of normally opened clamping piece 9 and guider 15 in the The pivot of one bearing 2, the mode that the second pushing-type electromagnet 16 is connected through a screw thread is fixed on processing feeding sliding block 21, the The thrust of vertical direction is converted to horizontal direction, the second return unit 18 and connection rod set by two pushing-type electromagnet 16 by link assembly Part is in compressive state, and the second pushing-type electromagnet 16 overcomes the elastic force of the second return unit 18 that thrust is passed into normally closed clip pressure Bar 17, normally closed clip depression bar 17 is hinged by pin 29 with normally closed rotary shaft 8.
Due to insulation contiguous block 19, insulation tube 20, glass tube 13, normally opened clamping piece 9, straight pin 7 be insulation material materials and parts, Such as ceramic member, so as to realize micro EDM pulse it is electric with normally opened rotary shaft 6, normally closed rotary shaft 8 isolate, So that it is guaranteed that swivel feeding mainshaft head mechanism 100 can safely and reliably work.
Below, carry out WEDG (discharging grinding and paring of line electrode) the mass micropore for introducing swivel feeding mainshaft head mechanism 100 adds Work process.
(a) electrode is installed
Proximity switch 4 determines rotation zero-bit, and the central shaft of hollow shaft motor 3 rotates to zero-bit, and the second pushing-type electromagnet 16 leads to Electricity, promotes link assembly, and the thrust of vertical direction is converted into horizontal direction, promotes normally closed clip depression bar 17 to overcome compression spring Active force, normally closed clip is opened.Wire electrode 10 is put into from the top of hollow shaft motor 3, wire electrode 10 falls under gravity By normally opened clamping piece 9, normally closed clip is finally arrived at, after wire electrode 10 stretches out normally closed clip suitable distance, the second pushing-type electricity Magnet 16 is powered off, and normally closed clip closure clamps wire electrode 10, electrode installation.
(b) WEDG is processed
Hollow shaft motor 3 is rotated by certain speed, and rotary motion is delivered to normally opened rotary shaft 6 by connecting mast 5, normally opened Power and motion are passed to normally closed rotary shaft 8 by rotary shaft 6 by straight pin 7, and normally closed rotary shaft 8 is arranged on clutch shaft bearing 2, Normally closed clamp drives wire electrode 10 continuously to rotate.Swivel feeding mainshaft head mechanism 100 is moved to fixed position, makes wire electrode 10 process with the relative motion of discharging grinding and paring of line electrode mechanism, electric discharge, completion WEDG, and discharging grinding and paring of line electrode machined electrode silk 10 is former Reason is as shown in Figure 10, and A is guider in figure, and B is line electrode, and C is the pulse power, and D is working solution.
(c) array micropore is processed
Processing workpiece is moved to fixed position, and processing feeding sliding block 21 drives whole swivel feeding mainshaft head mechanism 100, electricity Polar filament 10 is moved to Working position, and micropore is processed by fixed routine servo.
(d) loss balancing of wire electrode 10
When wire electrode 10 is lost to a certain extent, hollow shaft motor 3 goes to zero-bit stopping.Creep feed part 22 drives often Compensation distance needed for clip portion is moved axially upwards is opened, the first pushing-type electromagnet 11 is arranged symmetrically and promotes platen 12, platen 12 The first return unit 14 is compressed, the motive force of the first pushing-type electromagnet 11 is passed to normally opened clamping piece by platen 12 by glass tube 13 9, the normally opened male cone (strobilus masculinus) of clamping piece 9 is compressed with the normally opened inner conical surface of rotary shaft 6, realizes the closure of normally opened clip to clamp wire electrode 10.
Then, the second pushing-type electromagnet 16 is powered, and promotes link assembly, the thrust of vertical direction is converted into level side To the normally closed clip depression bar 17 of promotion overcomes compression spring active force, and normally closed clip is opened, and creep feed part 22 drives normally opened clip Part is moved axially downwards to home position, and the second pushing-type electromagnet 16 is powered off, normally closed clamp wire electrode 10, the first pushing-type Electromagnet 11 is powered off, and normally opened clip portion unclamps wire electrode 10, completes the loss balancing of wire electrode 10.
(e) repeat above operating procedure and complete WEDG mass capillary processing processes, process is as shown in Figure 8.
Below, the aperture process for proceeding without WEDG of swivel feeding mainshaft head mechanism 100 is introduced.
(a) electrode is installed
It is directed to device 15 to be installed on swivel feeding mainshaft head mechanism 100, proximity switch 4 determines rotation zero-bit, hollow shaft The central shaft of motor 3 rotates to zero-bit.Second pushing-type electromagnet 16 is powered, and promotes link assembly, and the thrust of vertical direction is changed For horizontal direction, normally closed clip depression bar 17 is promoted to overcome compression spring active force, normally closed clip is opened.By wire electrode 10 from hollow The top of spindle motor 3 is put into, and wire electrode 10 is dropped through normally opened clamping piece 9 under gravity, guider 15 is finally arrived at, in electricity Polar filament 10 is stretched out after the suitable distance of guider 15, and the second pushing-type electromagnet 16 is powered off, and normally closed clip closure clamps wire electrode 10, electricity Pole installation.
(b) array micropore is processed
Processing workpiece is moved to fixed position, and processing feeding sliding block 21 drives whole mainshaft mechanism, wire electrode 10 to be moved to Working position, micropore is processed by fixed routine servo.
(c) loss balancing of wire electrode 10
When wire electrode 10 is lost to a certain extent, hollow shaft motor 3 goes to zero-bit stopping.Creep feed part 22 drives often Compensation distance needed for clip portion is moved axially upwards is opened, the first pushing-type electromagnet 11 is arranged symmetrically and promotes platen 12, platen 12 The first return unit 14 is compressed, the motive force of the first pushing-type electromagnet 11 is passed to normally opened clamping piece by platen 12 by glass tube 13 9, the normally opened male cone (strobilus masculinus) of clamping piece 9 is compressed with the normally opened inner conical surface of rotary shaft 6, realizes normally opened clamp wire electrode 10.
Then, the second pushing-type electromagnet 16 is powered, and promotes link assembly, the thrust of vertical direction is converted into level side To the normally closed clip depression bar 17 of promotion overcomes compression spring active force, and normally closed clip is opened, and creep feed part 22 drives normally opened clip Part is moved axially downwards to home position, and the second pushing-type electromagnet 16 is powered off, normally closed clamp wire electrode 10, the first pushing-type Electromagnet 11 is powered off, and normally opened clip portion unclamps wire electrode 10, completes the loss balancing of wire electrode 10.
(d) aperture process of the above operating procedure completion without WEDG is repeated, process is as shown in Figure 9.
In summary, the swivel feeding mainshaft head mechanism 100 implemented according to the present invention, discharges suitable for line and is ground (WEDG) Micro EDM, belongs to micro-NTM technical field, can towards in commercial Application mass micro-structure from Dynamicization process requirements, are less than 100 μm of the on-line continuous of wire electrode 10 for diameter or WEDG making demands are repeated several times.
Using swivel feeding mainshaft head mechanism 100, it can be can be achieved thinner with the elongated thin wire electrode 10 to be repaired of clamped one time The creep feed of long electrode silk 10, high-precision rotary, the function of rotation round angle positioning, can meet wire electrode 10 repeatedly online The demand that WEDG makes and used, improves the online producing efficiency of wire electrode 10 and automaticity, can be applied to micro-structure Batch-automated micro EDM.Moreover, utilize such a swivel feeding mainshaft head mechanism 100, it is to avoid rotary driving machine Influence of the structure kinematic error to the running accuracy of wire electrode 10, improving swivel feeding mainshaft head mechanism 100 is used for WEDG wire electrodes 10 it is online make and the running accuracy of wire electrode 10 during for micro EDM, be conducive to improving wire electrode 10 and make online Precision and micro EDM precision.In addition, in order to further ensure that rotation precision, sliding block 21 can also be fed in processing It is upper that fine motor guiding mechanism 40 (reference picture 3) is set.
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", " axial direction ", " radial direction ", " week To " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description this hair Bright and simplified description, rather than instruction or the signified device of hint or element must be with specific orientation, with specific orientation Construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects Connect or electrically connect, can also be communication;Can be joined directly together, can also be indirectly connected to by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, may be used To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature It is that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification Close and combine.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that:Not In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this The scope of invention is limited by claim and its equivalent.

Claims (9)

1. a kind of micro EDM swivel feeding mainshaft head mechanism for grinding of being discharged suitable for line, it is characterised in that including:
Support, the support includes processing feeding sliding block and creep feed part, and the creep feed part is located at the processing feeding On sliding block and relatively described processing feeding sliding block may move;
Hollow shaft motor and the first drive component, the hollow shaft motor and first drive component are respectively provided at the wriggling Feed on part;
Platen component, the platen component is connected with the hollow shaft motor to be rotated with being driven by the hollow shaft motor, described Platen component has to be connected to drive the moving member moved up and down by first drive component with first drive component;
Normally opened clip, the normally opened clip include hollow normally opened rotary shaft and normally opened clamping piece, the normally opened rotary shaft it is upper End is connected with the platen component, and the normally opened clamping piece is connected described normally opened to cause with the moving member by connecting tube The relatively described normally opened rotary shaft of clamping piece can be moved up and down between open and closed positions, in the closed position, institute Normally opened clamping piece is stated to coordinate to clamp wire electrode, the electricity of the connecting tube and the hollow shaft motor with the normally opened rotary shaft Arbor is connected;
First bearing seat provided with clutch shaft bearing, the first bearing seat is fixed on the processing feeding sliding block;
Normally closed clip, the normally closed clip includes hollow normally closed rotary shaft and normally closed clamping piece, and the normally closed clamping piece is located at The lower end of the normally closed rotary shaft, upper end and the clutch shaft bearing of the normally closed rotary shaft coordinate, in the normally closed rotary shaft Chamber is limited, lower end and the chamber of the normally opened rotary shaft are slidably matched and drive the normally closed rotary shaft to rotate, institute The lower end for stating normally closed rotary shaft is provided with guider, and the wire electrode is through the guider and is clamped in the normally closed clamping piece On;
Second drive component, second drive component be located in the support or the first bearing seat and with the normally closed folder Son coordinates to control the normally closed clamping piece to open or close.
2. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 1 of being discharged suitable for line, Characterized in that, the platen component includes:
Shaft coupling, the shaft coupling is connected with the motor shaft of the hollow shaft motor;
Connector, the connector is fixed on the lower surface of the shaft coupling, and the upper end of the normally opened rotary shaft is fixed on institute State on connector;
Platen, the platen is movably arranged on the connector to limit the moving member, the two of the connecting tube End is separately fixed on the platen and the normally opened clamping piece, and first drive component is connected to drive with the platen Platen is stated to move up and down.
3. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 2 of being discharged suitable for line, Characterized in that, the upper end of the connecting tube stretches out the platen to extend into the shaft coupling.
4. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 1 of being discharged suitable for line, Characterized in that, also include second bearing seat, be provided with second bearing in the second bearing seat, the normally opened rotary shaft with it is described Second bearing coordinates.
5. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 2 of being discharged suitable for line, Characterized in that, the connector includes:Multiple connection masts, the multiple connection mast is respectively provided at the normally opened rotary shaft Between the shaft coupling, the platen is provided with multiple moving hole, the multiple moving hole and the multiple connection mast one One is correspondingly arranged, and each moving hole coordinates with the corresponding connection mast movement.
6. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 2 of being discharged suitable for line, Characterized in that, first drive component includes the first pushing-type electromagnet and the first return unit, the first pushing-type electromagnet Be connected with the roof of the platen to promote the platen to move down, the two ends of first return unit respectively with the platen Bottom wall be connected often to push up the platen with the normally opened rotary shaft.
7. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 1 of being discharged suitable for line, Characterized in that, the normally closed clamping piece includes the first holder and the second holder, first holder is fixed on described In normally closed rotary shaft, second holder is movably located in the normally closed rotary shaft to coordinate with first holder Or depart from;
Second drive component includes:
Normally closed clip depression bar, the normally closed clip depression bar is movably located in the normally closed rotary shaft often to promote described second Holder coordinates to clamp the wire electrode with first holder;
Second pushing-type electromagnet, the second pushing-type electromagnet is fixed in the first bearing seat, the second pushing-type electromagnetism The drive end of iron is provided with link assembly, and the link assembly includes horizon bar;
Fixture, the fixture is fixed in the first bearing seat, and the horizon bar is located at described solid horizontally moveablely Determine on part, the second pushing-type electromagnet drives the horizon bar to move so that institute towards the normally closed clip depression bar when being powered Normally closed clip depression bar is stated with second holder to depart from;
Second return unit, second return unit is connected often to drive the level with the horizon bar and the fixture respectively Bar is directed away from the direction movement of the normally closed clip depression bar.
8. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 1 of being discharged suitable for line, Characterized in that, provided with insulation contiguous block between the first bearing seat and the support.
9. the micro EDM swivel feeding mainshaft head mechanism of grinding according to claim 1 of being discharged suitable for line, Characterized in that, being provided with insulation tube in the motor shaft of the hollow shaft motor, the connecting tube is glass tube.
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Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641362B2 (en) * 1976-08-13 1981-09-28
JPS6239120A (en) * 1985-08-12 1987-02-20 Inoue Japax Res Inc Electric discharge machining method
US5575041A (en) * 1993-10-13 1996-11-19 Daewoo Heavy Industries, Ltd. Resiliently yieldable tail stock device for use in a numerically controlled lathe
US5977503A (en) * 1997-11-03 1999-11-02 Leach Thomas S. Attachment device for electrical discharge machine
JPH11300531A (en) * 1998-04-27 1999-11-02 Toshiba Corp Rotating electrode type electric discharge device and electric discharge method thereof
CN2423052Y (en) * 2000-04-14 2001-03-14 清华大学 Rotary electrode wire feeding machanism
CN1099336C (en) * 2000-04-14 2003-01-22 清华大学 Electrospark equipment for machining precise fine holes
CN201189584Y (en) * 2008-04-17 2009-02-04 北京凝华科技有限公司 Portable electric spark nesting screwtap fetching tool machine
CN101362236B (en) * 2008-05-19 2010-06-09 清华大学 Micro electrode filament feeding guide mechanism for processing micro electric spark
CN201361755Y (en) * 2008-12-04 2009-12-16 北京凝华科技有限公司 Movable high-speed perforation machine
CN102513625B (en) * 2011-12-23 2013-12-04 清华大学 Electromagnetism driving high-frequency excitation auxiliary wire feeding mechanism for micro electric discharge machining
CN102513626B (en) * 2011-12-23 2014-01-01 清华大学 Electrode wire rotation and feeding combined driving spindle mechanism for micro electric discharge machining
CN202752713U (en) * 2012-06-20 2013-02-27 无锡微研有限公司 Electric spark machining device of small back-tapered hole
CN102861956B (en) * 2012-09-20 2014-06-18 清华大学 Machining method of gravity-free smelting layer air membrane hole of aviation engine turbine blade
CN103752961B (en) * 2013-12-11 2016-06-22 山东鲁南机床有限公司 A kind of high-accuracy rotary EDM spray orifice back taper mechanism
CN103769705B (en) * 2014-01-17 2016-06-15 清华大学 A kind of Multifunctional main axis mechanism for dark aperture spark machined
CN104646774B (en) * 2014-12-15 2016-11-16 哈尔滨工业大学 A kind of export license real-time compensation method based on spark discharge rate

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