CN206779629U - Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk - Google Patents
Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk Download PDFInfo
- Publication number
- CN206779629U CN206779629U CN201720560503.3U CN201720560503U CN206779629U CN 206779629 U CN206779629 U CN 206779629U CN 201720560503 U CN201720560503 U CN 201720560503U CN 206779629 U CN206779629 U CN 206779629U
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- China
- Prior art keywords
- wire electrode
- guide pipe
- depression bar
- sealing mechanism
- live spindle
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Abstract
The utility model discloses a kind of rotary sealing mechanism for clamping different-diameter hollow tube-shaped electrode silk, the mechanism includes rotating actuator, sealing mechanism and wire electrode centering clamping device；The rotating actuator includes live spindle, synchronous pulley and c-type clasp；The sealing mechanism includes guide pad, rubber seal plug, O-ring seal and the post that is located by connecting, and the wire electrode centering clamping device includes hinge depression bar, the first guide pipe, the second guide pipe, ceramic support block, compression spring, be located by connecting post and cylinder.The normally closed clip mechanism of rotation that the utility model can be used in blade film cooling holes electric spark machine tool live spindle, the highly precision clamp rotation, the sealing of hollow high-pressure working solution and the centering clamping of different-diameter wire electrode of tool-electrode can be achieved, apply in blade film cooling holes manufacture field, can effectively solve the problems, such as to improve some structure Pinch technologies.
Description
Technical field
A kind of rotary sealing mechanism for clamping different-diameter hollow tube-shaped electrode silk is the utility model is related to, belongs to micro hole
Electric spark capillary processing technical field.
Background technology
For the processing of aero engine turbine blades gaseous film control circular hole using high speed EDM for small holes technology, it is special
Sign one is to ensure hole shape precision by electrode rotary, second, passing to high-pressure work liquid in hollow electrode, makes discharging product fast
Speed discharge, improves processing efficiency.Traditional electric spark Fine and Deep Hole lathe uses the self-tightening type of back-pushed mainshaft mechanism, i.e. front-end of spindle
Drill chuck holds the axial feed processing of wire electrode rear end, is limited to grow the rigidity of thin wire electrode, and wire electrode processes the footpath of front end
Jump larger, it is difficult to meet the processing of high-precision pass, it is more to close to be processed for this holding electrode silk front end to ensure that footpath is jumped
The selection of reason.Due to the particularity of turbine blade film cooling holes processing, electrode interior working solution design pressure will can reach 10Mpa,
Electrode rotary can be clamped, can realize the automatic opening of wire electrode with clamp and coordinate normally opened clip reach back and forth wriggle into
Silk purpose, will also can solve the problem that different footpath wire electrode centering sex chromosome mosaicisms, and traditional drill chuck is screwed using manual nut, at all
The reciprocating motion of wire electrode cannot be realized, above-mentioned want is can be only achieved so to design a kind of brand-new wire electrode and be oriented to chuck
Ask.
Utility model content
In order to reach above-mentioned requirements, the utility model provides a kind of rotation for clamping different-diameter hollow tube-shaped electrode silk
Sealing mechanism, the automatic clamping for wire electrode rotates, back and forth enters silk, automatic pressure sealing, suitable for hollow logical liquid wire electrode
Diameter 0.2 arrives 1mm scopes.
The technical solution of the utility model is as follows：
A kind of rotary sealing mechanism for clamping different-diameter hollow tube-shaped electrode silk, it is characterised in that：The mechanism includes
Rotating actuator, sealing mechanism and wire electrode centering clamping device；The rotating actuator includes live spindle, same
Walk belt wheel and c-type clasp；The sealing mechanism includes guide pad, rubber seal plug, O-ring seal and the post that is located by connecting, described
Wire electrode centering clamping device includes hinge depression bar, the first guide pipe, the second guide pipe, ceramic support block, compression spring, fixed
Position connecting pole and cylinder；
The rotating actuator is driven the rotation of live spindle by synchronous pulley, and the synchronous pulley passes through c-type clasp
It is axially fixed in live spindle, the column top that is located by connecting is in live spindle, by tightening flange nut dish axle
To locking positioning post in succession, so as to drive the high-precision rotary of integrated model；
Guide pad and rubber seal plug in the sealing mechanism, which are positioned over, to be located by connecting inside post, and wire electrode is led from rotation
The center of guide pad and rubber seal plug is passed through after entering inside axle, after leading to high-pressure work liquid inside live spindle, rubber
The radial deformation of sealing-plug realizes the sealing of wire electrode periphery, live spindle and is located by connecting between post counterface by O-shaped
Circle sealing, prevents the leakage of the conical surface；
The first guide pipe, the second guide pipe in the wire electrode centering clamping device are successively set on fixed from top to bottom
In the connecting pole of position, and it is fixed on positioned at the lower end of rubber seal plug, the hinge depression bar by joint pin and ceramic support block
It is located by connecting on post, the hinge depression bar compresses wire electrode by end in the presence of compression spring, reaches normally off, described
Cylinder is located at below hinge depression bar, by the upward action of cylinder, hinge depression bar end is left wire electrode, reaches normally opened shape
State, processing the pulse power be incorporated into by hinge depression bar in wire electrode, by insulative guide sleeves, ceramic support block, the first guide pipe and
Ceramic guide pipe insulate with other positions.
Agree with the cone tank of live spindle, led with rotation for cone in the above-mentioned column top side that is located by connecting
Conical surface of shaft positioning connection.
The above-mentioned post that is located by connecting opens up a through hole, and one bulb plunger of installation props up the second guide pipe.
Above-mentioned second guide pipe is ceramic guide pipe, and the ceramic guide pipe is a hollow cylinder, and its hole size is smart
Degree has cooperation to require with wire electrode diameter, and different-diameter wire electrode correspond to the ceramic guide pipe of different hole size precision.Pottery
The cylinder that section is semicircle is diametrically cut into porcelain guide pipe one end, forms a platform, as wire electrode by hinge depression bar at this
Pressure-bearing surface, rise limit positioning action, to ensure that the Clamping Center of wire electrode is consistent with main shaft pivot；The ceramic guide pipe
The end of lower end opens up a circular groove, forms a circle concave station, when being changed so as to wire electrode diameter, is conveniently engaged
The replacing of ceramic guide pipe.The end of the other end opens up a groove, and groove is connected by two cambered surfaces and formed, and is and bulb plunger
Mating surface.
Above-mentioned hinge depression bar includes a rectangular-shape body, and one end of body sets an arc depression bar, the arc
One end of depression bar is connected on body, and the other end props up wire electrode, the other end of the opposing arcuate depression bar position of the body
Lower section sets cylinder, and top sets an insulated conduit, compression spring, described compression spring one end are installed on the insulated conduit
Prop up and unclamp flange nut disk, the other end is set on insulated conduit.
The beneficial effect that the utility model is reached：
This structure design innovative point is the centering sex chromosome mosaicism for solving different footpath wire electrode clampings, can realize the automatic of electrode
Clamp and open, coordinate water flowing rotation master in the electric spark of the mechanism such as swivel joint and normally opened lower clip composition complete set
Axle, on the premise of ensureing main shaft running accuracy, wire electrode circular runout can be controlled within 1um, can meet adding for high accurate hole
Work, apply in aerial blade air film hole manufacture field, can effectively solve the problems, such as to improve some structure Pinch technologies.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of ceramic guide pipe.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
A kind of rotary sealing mechanism for clamping different-diameter hollow tube-shaped electrode silk, mechanism include rotating actuator, close
Sealing mechanism and wire electrode centering clamping device；Rotating actuator includes live spindle 1, synchronous pulley 2 and c-type clasp
11；Sealing mechanism includes guide pad 12, rubber seal plug 3, O-ring seal 5 and the post 8 that is located by connecting, the clamping of wire electrode centering
Mechanism includes hinge depression bar 18, the first guide pipe 4, the second guide pipe 9, ceramic support block 17, compression spring 13, be located by connecting post
8 and cylinder 15；
Rotating actuator is driven the rotation of live spindle 1 by synchronous pulley 2, and synchronous pulley 2 passes through the axial direction of c-type clasp 11
It is fixed in live spindle 1, the top of post 8 that is located by connecting is arranged in live spindle 1, by tightening the axial lock of flange nut disk 6
Tightening position post 8 in succession, so as to drive the high-precision rotary of integrated model；
Guide pad 12 and rubber seal plug 3 in sealing mechanism, which are positioned over, to be located by connecting inside post 8, and wire electrode 10 is from rotation
The inside of main shaft 1 passes through the center of guide pad 12 and rubber seal plug 3, the logical high-pressure work liquid in the inside of live spindle 1 after entering
Afterwards, the radial deformation of rubber seal plug 3 realizes the sealing of the periphery of wire electrode 10, live spindle 1 and the counterface of post 8 that is located by connecting
Between sealed by O-ring 5, prevent the leakage of the conical surface；
The first guide pipe 4, the second guide pipe 9 in wire electrode centering clamping device are successively set on positioning from top to bottom
In connecting pole, and it is fixed on positioned at the lower end of rubber seal plug 3, hinge depression bar 18 by joint pin 16 and ceramic support block 17
It is located by connecting on post 8, hinge depression bar 18 compresses wire electrode 10 by end in the presence of compression spring 13, reaches normally off,
Cylinder 15 is located at the lower section of hinge depression bar 18, by the upward action of cylinder 15, the end of hinge depression bar 18 is left wire electrode 10, reaches
To normally open, the processing pulse power is incorporated into wire electrode 10 by hinge depression bar 18, by insulative guide sleeves 14, ceramic support block
17th, the first guide pipe 4 and ceramic guide pipe 9 insulate with other positions.
The top-side of post 8 that is located by connecting is cone, is agreed with the cone tank of live spindle 1, with live spindle 1
Conical surface positioning connection.
The post 8 that is located by connecting opens up a through hole, and one bulb plunger 7 of installation props up the second guide pipe 9.
Second guide pipe 9 is ceramic guide pipe, and ceramic guide pipe is a hollow cylinder, and the end of lower end opens up a circle
Groove, forms a circle concave station 9-1, and ceramic guide pipe is diametrically cut into the cylinder that section is semicircle in the one end for having concave station, forms one
Individual platform 9-2, it is the compression confined planes of wire electrode 10；The end of the other end opens up a groove 9-3, and groove 9-3 is by two arcs
Face connects to be formed, and is and the mating surface of bulb plunger 7.
Hinge depression bar 18 includes a rectangular-shape body, and one end of body sets an arc depression bar, arc depression bar
One end is connected on body, and the other end props up wire electrode 10, and the lower section of the other end of the opposing arcuate depression bar position of body is set
Cylinder, top set an insulated conduit 14, install compression spring 13 on insulated conduit 14, the one end of compression spring 13 props up release
Flange nut disk 6, the other end are set on insulated conduit 14.
The processing pulse power is incorporated into wire electrode 10 by hinge depression bar 18, by insulative guide sleeves 14, ceramic support block 17
Insulated with ceramic guide pipe and other positions.Ceramic guide pipe coordinates with the small―gap suture of wire electrode 10 to ensure the centering of clamping,
The wire electrode of different-diameter is equipped with the ceramic guide pipe of respective interior bores dimensional accuracy, and ceramic guide pipe 9 passes through bulb plunger 7
Axial restraint, when hinge depression bar 18 unclamps, it can conveniently remove ceramic guide pipe and be changed.
In the course of work, servomotor makes live spindle 1 stop navigating to fixed position, is ventilated to cylinder 15 and promotes hinge
Depression bar 18, open clamping guiding mechanism, wire electrode 10 passes through from the inner conduit of live spindle 1 and is oriented to briquetting 12, rubber seal
Plug 3 and ceramic guide pipe；Clamping guiding mechanism is turned off, live spindle 1 starts rotation, the holding electrode silk 10 1 of hinge depression bar 18
Play rotation, electric discharge perforation processing can be achieved after leading to working solution and power supply, coordinate lower clip use can realize electrode enter silk and
Move back silk operation.When processing aperture, which changes, needs change electric wire, it is only necessary to change the ceramic guide pipe of matching.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (5)
- A kind of 1. rotary sealing mechanism for clamping different-diameter hollow tube-shaped electrode silk, it is characterised in that：The mechanism includes rotation Turn transmission mechanism, sealing mechanism and wire electrode centering clamping device；The rotating actuator includes live spindle, synchronization Belt wheel and c-type clasp；The sealing mechanism includes guide pad, rubber seal plug, O-ring seal and the post that is located by connecting, the electricity Polar filament centering clamping device includes hinge depression bar, the first guide pipe, the second guide pipe, ceramic support block, compression spring, positioning Connecting pole and cylinder；The rotating actuator is driven the rotation of live spindle by synchronous pulley, and the synchronous pulley passes through c-type clasp axial direction It is fixed in live spindle, the column top that is located by connecting is in live spindle, by tightening flange nut disk axial lock Tightening position post in succession, so as to drive the high-precision rotary of integrated model；Guide pad and rubber seal plug in the sealing mechanism, which are positioned over, to be located by connecting inside post, and wire electrode is out of live spindle Portion passes through the center of guide pad and rubber seal plug after entering, after leading to high-pressure work liquid inside live spindle, rubber seal The radial deformation of plug realizes the sealing of wire electrode periphery, close by O-ring between live spindle and the post counterface that is located by connecting Envelope, prevents the leakage of the conical surface；The first guide pipe, the second guide pipe in the wire electrode centering clamping device are successively set on positioning and connected from top to bottom Connect in post, and positioning is fixed on by joint pin and ceramic support block positioned at the lower end of rubber seal plug, the hinge depression bar On connecting pole, the hinge depression bar compresses wire electrode by end in the presence of compression spring, reaches normally off, the cylinder Below hinge depression bar, by the upward action of cylinder, hinge depression bar end is left wire electrode, reach normally open, add Working pulse power source is incorporated into wire electrode by hinge depression bar, is led by insulative guide sleeves, ceramic support block, the first guide pipe and ceramics Insulated to pipe and other positions.
- 2. the rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk according to claim 1, it is characterised in that： Agree with the cone tank of live spindle, determine with the live spindle conical surface for cone in the column top side that is located by connecting Position connection.
- 3. the rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk according to claim 1, it is characterised in that： The post that is located by connecting opens up a through hole, and one bulb plunger of installation props up the second guide pipe.
- 4. the rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk according to claim 1, it is characterised in that： Second guide pipe is ceramic guide pipe, and the ceramic guide pipe is a hollow cylinder, its hole size precision and electrode Silk diameter has cooperation to require, different-diameter wire electrode correspond to the ceramic guide pipe of different hole size precision；Ceramic guide pipe One end be diametrically cut into section be semicircle cylinder, formed a platform, the pressure-bearing surface at this as wire electrode by hinge depression bar, Limit positioning action is played, to ensure that the Clamping Center of wire electrode is consistent with main shaft pivot；The end of the ceramic guide pipe lower end Portion opens up a circular groove, forms a circle concave station, and when being changed so as to wire electrode diameter, the ceramics being conveniently engaged are oriented to The replacing of pipe；The end of the other end opens up a groove, and groove is connected by two cambered surfaces and formed, and is and bulb plunger mating surface.
- 5. the rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk according to claim 1, it is characterised in that： The hinge depression bar includes a rectangular-shape body, and one end of body sets an arc depression bar, and the one of the arc depression bar End is connected on body, and the other end props up wire electrode, and the lower section of the other end of the opposing arcuate depression bar position of the body is set Cylinder, top set an insulated conduit, install compression spring on the insulated conduit, described compression spring one end props up release Flange nut disk, the other end are set on insulated conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560503.3U CN206779629U (en) | 2017-05-16 | 2017-05-16 | Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560503.3U CN206779629U (en) | 2017-05-16 | 2017-05-16 | Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk |
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| Publication Number | Publication Date |
|---|---|
| CN206779629U true CN206779629U (en) | 2017-12-22 |
Family
ID=60712731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720560503.3U Expired - Fee Related CN206779629U (en) | 2017-05-16 | 2017-05-16 | Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk |
Country Status (1)
| Country | Link |
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| CN (1) | CN206779629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925848A (en) * | 2017-05-16 | 2017-07-07 | 无锡微研股份有限公司 | The rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk |
| CN108856934A (en) * | 2018-09-05 | 2018-11-23 | 清华大学无锡应用技术研究院 | A kind of electric-spark drilling process unit scorchine mechanism and method |
| CN110860747A (en) * | 2019-11-22 | 2020-03-06 | 中国航空制造技术研究院 | Electrode clamp for deep small hole electric spark forming machining and machining method |
-
2017
- 2017-05-16 CN CN201720560503.3U patent/CN206779629U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925848A (en) * | 2017-05-16 | 2017-07-07 | 无锡微研股份有限公司 | The rotary sealing mechanism of clamping different-diameter hollow tube-shaped electrode silk |
| CN106925848B (en) * | 2017-05-16 | 2019-03-15 | 无锡微研股份有限公司 | Clamp the rotary sealing mechanism of different-diameter hollow tube-shaped electrode silk |
| CN108856934A (en) * | 2018-09-05 | 2018-11-23 | 清华大学无锡应用技术研究院 | A kind of electric-spark drilling process unit scorchine mechanism and method |
| CN110860747A (en) * | 2019-11-22 | 2020-03-06 | 中国航空制造技术研究院 | Electrode clamp for deep small hole electric spark forming machining and machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20190516 |