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 PDFInfo
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- 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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- normally closed
- normally opened
- rotary shaft
- platen
- clamping piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING 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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING 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
- B23H1/00—Electrical 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
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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CN107962432B (en) * | 2018-01-09 | 2023-09-26 | 河南理工大学 | Clamping main shaft system for electrolytic grinding of thin disc workpieces |
CN110238467A (en) * | 2019-07-18 | 2019-09-17 | 清华大学无锡应用技术研究院 | The creep feed clip mechanism of electric machining micro-electrode and silk is worn into silk method |
CN113042837B (en) * | 2021-03-25 | 2022-05-17 | 北京石油化工学院 | Fine electrode wire feeding mechanism |
CN113664304B (en) * | 2021-09-18 | 2022-08-05 | 上海交通大学 | Grinding and high-speed electric spark in-situ composite machining device and machining method |
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CN115476007A (en) * | 2022-09-20 | 2022-12-16 | 苏州亚马森机床有限公司 | Pneumatic rotating head |
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