CN105436639A - Electrode device for electroimpulse machining of locking plate grooves and machining method - Google Patents
Electrode device for electroimpulse machining of locking plate grooves and machining method Download PDFInfo
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- CN105436639A CN105436639A CN201410398923.7A CN201410398923A CN105436639A CN 105436639 A CN105436639 A CN 105436639A CN 201410398923 A CN201410398923 A CN 201410398923A CN 105436639 A CN105436639 A CN 105436639A
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- electrode
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- electric pulse
- locking plate
- electrode assembly
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Abstract
The invention relates to an electrode device for electroimpulse machining of locking plate grooves and a machining method. The electrode device comprises a clamp body capable of being connected with a chuck of an electroimpulse machine tool, a plurality of electrodes are arranged on the edge of a clamping disc of the clamp body, and the electroimpulse machine tool is suitable for releasing electrical impulses through the electrodes at the same time. The clamping disc is used for fixing the electrodes, and clamping grooves in the edge of the chuck limit distribution of the electrodes to enable the electrodes to correspond to the positions of grooves to be machined. In work, the electrode device extends into a turbine guiding device, the electrodes are used for guiding in corresponding electrical impulses at the same time, multiple locking plate grooves are machined at the same time, the electrode device is simple in structure, machining is quick and convenient, and the machined locking plate grooves have the advantage of being high in precision.
Description
Technical field
The present invention relates to engine art, particularly relate to a kind of electrode machining device and processing method of the locking plate groove for nozzle ring.
Background technology
Under nozzle ring is in severe working environment, high-temperature fuel gas stream and each part should be born and to be heated the larger thermal stress that inequality causes, bear combustion gas again by the aerodynamic force that produces during guide vane and the oscillating load caused by gas.
Therefore, nozzle ring is in use easily damaged, two groups of locking plate grooves especially in nozzle ring, due to the problem of difficulty of processing and precision, often easily causes damage.
Carry out adding man-hour according to the existing technique of nozzle ring, need through two procedures to the processing of locking plate groove, that is, the two procedures that Milling Machining and reverse side insert Milling Machining is inserted in front.
The locking plate slot that Fig. 1 shows nozzle ring carries out inserting Milling Machining in front is put.
Fig. 2 shows and carries out to nozzle ring the locking plate slot that reverse side inserts Milling Machining and put.
As shown in Figure 1, carry out front when inserting Milling Machining operation, 5 place's grooves need be processed, wide
deeply
, be 32 °, 130 °, 180 °, 212 °, 310 ° respectively to the angular position in angle hole.
As shown in Figure 2, carry out reverse side when inserting Milling Machining operation, 6 place's grooves need be processed, groove width
, groove depth
, 6 slots are put along endoporus uniform, require to be 0.6 with coaxiality of inner hole.
In prior art, the locking plate groove of this two procedures is inserted milling and is completed on milling machine, therefore there is following difficult point and problem:
1) part needs the material at slotting milling position to be high temperature alloy, and poor processability, difficulty of processing is large.
2) require higher to the technical merit of workman, need processing experienced, the veteran worker of high professional qualification just can complete.
3) adopt the mode of inserting milling to process, once can only process a groove, then pass through the method for the manual calibration of workman, all locking plate grooves of processing one by one; Working (machining) efficiency is low, and the cycle is long.
4) occur human error sometimes, by wrong for the angle-differentiated of one of them locking plate groove, cause one integral piece to be scrapped, part qualification rate is low.
Therefore, need to design a kind of locking plate grooving apparatus and the processing method that can overcome above-mentioned technical problem.
Summary of the invention
The object of this invention is to provide a kind of electrode assembly being suitable for electric pulse processing locking plate groove, this electrode assembly achieves the electrode assembling of relevant position by clamp body, makes each electrode discharge Pulse Electric man-hour to solve the technical problem of the processing of corresponding locking plate groove adding simultaneously.
In order to solve the problems of the technologies described above, the invention provides a kind of electrode assembly being suitable for electric pulse processing locking plate groove, comprise: be suitable for the clamp body be connected with the chuck of electric pulse lathe, the edge of the chuck of this clamp body is provided with some electrodes, and described electric pulse lathe is suitable for discharging electric pulse by each electrode simultaneously.
Further, in order to realize electrode centering, the excircle axial distribution of described chuck has several for clamping the holding tank of each electrode, and wherein, the top of described chuck is provided with an electrode centering face.
Further, in order to realize being locked to electrode, the sheathed dead ring in outside of described chuck, this dead ring is suitable for snapping in each electrode hoop of holding tank in the edge of described chuck, and the lateral surface of this dead ring is distributed with some screwed holes, described screwed hole is suitable for screw fit with fastening respective electrode.
Further, in order to realize mating of electrode assembly and part to be processed, the bottom of described chuck is provided with the positioning core axle being suitable for matching with the endoporus of part to be processed, and this positioning core axle adopts insulating materials to make, to play insulating effect, avoid during spark discharge, piece surface being burnt.
On the other hand, on the above-mentioned basis being suitable for the electrode assembly of electric pulse processing locking plate groove, present invention also offers a kind of processing method being suitable for electric pulse processing locking plate groove, to improve the technical problem of locking plate slot machining efficiency.
In order to solve the problems of the technologies described above, present invention also offers a kind of processing method being suitable for electric pulse processing locking plate groove, comprising the steps: step S1, electric pulse is introduced the some electrodes being distributed in chuck edge in electrode assembly; Step S2, stretches into described electrode assembly in part to be processed, and by each electrode simultaneously to the machined surface release electric pulse of this part, to process locking plate groove.
Preferably, described electrode assembly comprises: be suitable for the clamp body be connected with the chuck of electric pulse lathe, each electrode is located at the edge of the chuck of described clamp body, and described electrode assembly is by electric pulse lathe release electric pulse.
Further, in order to realize the effect that electrode centering and electrode are locked, the excircle of described chuck is distributed with several for clamping the holding tank of each electrode, and wherein, the top of described chuck is provided with an electrode centering face; Described chuck is sheathed in a dead ring, and this dead ring is suitable for snapping in each electrode hoop of holding tank in the edge of described chuck, and the lateral surface of this dead ring is distributed with some screwed holes, and described screwed hole is suitable for screw fit with fastening respective electrode.
Further, by the adjustment to electrode, realize the adjustment of the degree of depth to locking plate groove, groove width, the groove depth of described holding tank is corresponding with the degree of depth of locking plate groove, and/or by the upper and lower adjustment in holding tank of each electrode, to adjust the groove depth of locking plate groove.
Technique scheme of the present invention has the following advantages compared to existing technology: electrode assembly of the present invention and processing method realize fixing by chuck to each electrode, and the distribution of each electrode is defined by the holding tank at chuck edge, it is made to put corresponding with being with the slot processed, operationally, electrode assembly stretches in nozzle ring, imported the Pulse Electric of corresponding arrangement by each electrode simultaneously, process while realizing multiple locking plate groove, electrode assembly structure is simple, and procedure of processing is quick and easy, the locking plate groove processed has the high advantage of precision.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
The locking plate slot that Fig. 1 shows nozzle ring carries out inserting Milling Machining in front is put;
Fig. 2 shows and carries out to nozzle ring the locking plate slot that reverse side inserts Milling Machining and put;
Fig. 3 shows the structural representation of described electrode assembly;
Fig. 4 shows the structural representation of described clamp body;
Fig. 5 shows the structural representation of dead ring
Fig. 6 shows the workflow diagram of the processing method being suitable for electric pulse processing locking plate groove;
Fig. 7 shows the schematic flow sheet of five place's slot machining operations;
Fig. 8 shows slot, place, nozzle ring front five to be processed and puts installation site schematic diagram with five electrodes on chuck,
Fig. 9 shows the schematic flow sheet of six place's slot machining operations;
Figure 10 shows slot, place, nozzle ring front six to be processed and puts.
Wherein, clamp body 1, chuck 101, holding tank 102, chuck arbor 103, electrode centering face 104, electrode 2, dead ring 3, screwed hole 301, positioning core axle 4, locking plate groove 5.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with detailed description of the invention also with reference to accompanying drawing, the present invention is described in more detail.Should be appreciated that, these describe just exemplary, and do not really want to limit the scope of the invention.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present invention.
Embodiment 1
Fig. 3 shows the structural representation of described electrode assembly.
Fig. 4 shows the structural representation of described clamp body, and wherein 4a figure is the profile of clamp body, and 4b figure is the top view of clamp body.
As shown in Figure 3 and Figure 4, a kind of electrode assembly being suitable for electric pulse processing locking plate groove 5, comprise: be suitable for the clamp body 1 be connected with the chuck of electric pulse lathe (not shown in FIG.), the edge of the chuck 101 of this clamp body 1 is provided with some electrodes 2, and described electric pulse lathe is suitable for discharging electric pulse by each electrode 2 simultaneously.Concrete, described clamp body 1 comprises: chuck arbor 103, and described chuck 101 is suitable for clamping this chuck arbor 103 and realizes being connected with pulse lathe.Optionally, described clamp body 1 adopts metal construction, specifically can select iron, to realize conducting function.
Further, the excircle axial distribution of described chuck 101 has several for clamping the holding tank 102 of each electrode 2, wherein, the upper end of described chuck 101 is provided with an electrode centering face 104, namely realize an electrode 2 and be positioned at this electrode centering face 104, realize electrode centering function, ensure the angular position of locking plate groove 5.Specifically refer in Fig. 3 and Fig. 4, this electrode centering face 104 is for being positioned at the top of chuck 101, and a plane of the upper surface of this chuck 101 lower slightly, and the intersection of this plane and described upper surface forms a step.Optionally, the groove width of described holding tank 102 is greater than the width of electrode 2, leaves discharging gap to make electrode 2 left and right in holding tank 102.
Fig. 5 shows the structural representation of dead ring, and wherein, 5a figure is the profile of dead ring, and 5b figure is a side view of dead ring.
Further, the sheathed dead ring 3 in outside of described chuck 1, this dead ring 3 is suitable for the edge bound round by each electrode 2 snapping in holding tank 102 in described chuck 101, and the lateral surface of this dead ring 3 is distributed with some screwed holes 301, described screwed hole 301 is suitable for coordinating with screw (not shown in FIG.) with fastening respective electrode 2.By present embodiment, achieve the fastening effect to electrode 2, namely carry out processing constantly when described electrode assembly stretches in part to be processed, electrode 2 can not loosen.
Further, the bottom of described chuck 101 is provided with the positioning core axle 4 being suitable for matching with the endoporus of part to be processed, and described positioning core axle 4 achieves the centering effect of cutter (electrode assembly); And this positioning core axle 4 adopts insulating materials to make, such as but not limited to lucite, to play insulating effect, avoid during spark discharge, piece surface being burnt.Concrete, shape, the diameter of described positioning core axle are consistent with endoporus.
Embodiment 2
Fig. 6 shows the workflow diagram of the processing method being suitable for electric pulse processing locking plate groove 5.
As shown in Figure 6, a kind of processing method being suitable for electric pulse processing locking plate groove 5 on embodiment 1 basis, comprises the steps:
Step S1, installs some electrodes 2, that is, electric pulse is introduced the some electrodes 2 being distributed in chuck 101 edge in electrode assembly.
Step S2, carries out processing locking plate groove 5 by electric pulse, that is, is stretched in part to be processed by described electrode assembly, and by each electrode 2 simultaneously to the machined surface release electric pulse of this part, to process locking plate groove 5.
Described electrode assembly comprises: be suitable for the clamp body 1 be connected with the chuck of electric pulse lathe, each electrode 2 is located at the edge of the chuck 10 of described clamp body 1, and described electrode assembly is by electric pulse lathe release electric pulse.
The excircle axial distribution of described chuck 101 has several for clamping the holding tank 102 of each electrode 2, and wherein, described chuck 101 upper surface is provided with an electrode centering face 104; Described chuck 101 is sheathed in a dead ring 3, this dead ring 3 is suitable for the edge bound round by each electrode 2 snapping in holding tank 102 in described chuck 101, and the lateral surface of this dead ring 3 is distributed with some screwed holes 301, described screwed hole 301 is suitable for screw fit with fastening respective electrode.
The groove depth of described holding tank 102 is corresponding with the degree of depth of locking plate groove 5, and/or by electrode upper and lower adjustment in holding tank, to adjust the groove depth of locking plate groove 5.
Embodiment 3
Fig. 7 shows the schematic flow sheet of five place's slot machining operations.
Fig. 8 shows slot, place, nozzle ring front five to be processed and puts installation site schematic diagram with five electrodes on chuck, wherein, 8a figure is that slot, place, nozzle ring front five to be processed is put and (in order to clearly show the position of five place's grooves, irised out the relevant position of groove in 8a figure respectively.), 8b figure is the installation sites of five electrodes on chuck.
The front five place slot machining operation to nozzle ring two sides in embodiment 1 and embodiment 2 basis and reverse side six place slot machining operation.
As shown in Figure 7 and Figure 8, described front five place slot machining operation, comprising:
Step S101, five electrode assemblings.
Concrete, because nozzle ring front needs processing five place groove, it is 32 °, 130 °, 180 °, 212 °, 310 ° to the angular position in angle hole respectively.Therefore, in the assembling process of described electrode assembly, the employing of described electrode 25, and it is consistent to be distributed in this angular position, that is, when chuck 101 presses each angular position after edge fluting, assemble corresponding electrode.
Step S102, five electric pulse flutings.
Concrete, described electrode assembly is stretched in nozzle ring, and by each electrode simultaneously to the machined surface release electric pulse of nozzle ring, forms described five place's grooves, to complete the manufacturing procedure of front five place groove.
Fig. 9 shows the schematic flow sheet of six place's slot machining operations.
Figure 10 shows slot, place, nozzle ring front six to be processed and puts.(in order to clearly show the position of six place's grooves, iris out the relevant position of groove in the figure respectively, and Fig. 3 clearly illustrates the installation site of six electrodes on chuck, therefore here can see Fig. 3.）
As shown in Figure 9 and Figure 10, described reverse side six place slot machining operation, comprising:
Step S101 ', six electrode assemblings.
Concrete, because nozzle ring reverse side needs processing six place groove, and the position of this six places groove is uniformly distributed along the endoporus of nozzle ring, and coaxiality of inner hole requires to be 0.6.Therefore, described electrode 2 adopts six, and distributing position is put consistent with described six slots, place.
Step S102 ', six pulse flutings.
Herein step and described step S102 similar, difference is, is that six pulses discharge simultaneously herein, forms the described six equally distributed grooves in place, to complete the manufacturing procedure of reverse side six place groove.
In front five described above place's slot machining operation and reverse side six place slot machining operation, the discharge current of electric pulse is 9 amperes, and discharge time is 200ms, and discharging gap is that 4ms processes, and makes the machining accuracy of locking plate groove 5 higher, operates easier.
The groove of positive and negative can be put in place by electrode assembly time processing of the present invention, and process time only needs 30 minutes.The angle of groove ensures by frock completely, fundamentally avoids the problem of the overproof or part rejection of angle that human error causes.
Electrode assembly of the present invention improves the processing method of the locking plate groove 5 to turbine guide device, not only simple, convenient, stable, solve the bottleneck in nozzle ring processing, the more important thing is and substantially increase production efficiency and product quality, improve technology level, and can extensively refer to electric pulse manufacture field.
Should be understood that, above-mentioned detailed description of the invention of the present invention only for exemplary illustration or explain principle of the present invention, and is not construed as limiting the invention.Therefore, any amendment made when without departing from the spirit and scope of the present invention, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.In addition, claims of the present invention be intended to contain fall into claims scope and border or this scope and border equivalents in whole change and modification.
Claims (8)
1. one kind is suitable for the electrode assembly of electric pulse processing locking plate groove, it is characterized in that, comprise: be suitable for the clamp body be connected with the chuck of electric pulse lathe, the edge of the chuck of this clamp body is provided with some electrodes, described electric pulse lathe is suitable for discharging electric pulse by each electrode simultaneously.
2. electrode assembly according to claim 1, is characterized in that, the excircle axial distribution of described chuck has several for clamping the holding tank of each electrode, and wherein, the top of described chuck is provided with an electrode centering face.
3. electrode assembly according to claim 2, it is characterized in that, the sheathed dead ring in outside of described chuck, this dead ring is suitable for snapping in each electrode hoop of holding tank in the edge of described chuck, and the lateral surface of this dead ring is distributed with some screwed holes, described screwed hole is suitable for screw fit with fastening respective electrode.
4. electrode assembly according to claim 3, is characterized in that, the bottom of described chuck is provided with the positioning core axle being suitable for matching with the endoporus of part to be processed, and this positioning core axle adopts insulating materials to make.
5. be suitable for a processing method for electric pulse processing locking plate groove, comprise the steps:
Step S1, introduces the some electrodes being distributed in chuck edge in electrode assembly by electric pulse;
Step S2, stretches into described electrode assembly in part to be processed, and by each electrode simultaneously to the machined surface release electric pulse of this part, to process locking plate groove.
6. processing method according to claim 5, it is characterized in that, described electrode assembly comprises: be suitable for the clamp body be connected with the chuck of electric pulse lathe, each electrode is located at the edge of the chuck of described clamp body, and described electrode assembly is by electric pulse lathe release electric pulse.
7. processing method according to claim 6, is characterized in that, the excircle of described chuck is distributed with several for clamping the holding tank of each electrode, and wherein, the top of described chuck is provided with an electrode centering face;
Described chuck is sheathed in a dead ring, and this dead ring is suitable for snapping in each electrode hoop of holding tank in the edge of described chuck, and the lateral surface of this dead ring is distributed with some screwed holes, and described screwed hole is suitable for screw fit with fastening respective electrode.
8. processing method according to claim 7, is characterized in that, the groove depth of described holding tank is corresponding with the degree of depth of locking plate groove, and/or by the upper and lower adjustment in holding tank of each electrode, to adjust the groove depth of locking plate groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398923.7A CN105436639A (en) | 2014-08-13 | 2014-08-13 | Electrode device for electroimpulse machining of locking plate grooves and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398923.7A CN105436639A (en) | 2014-08-13 | 2014-08-13 | Electrode device for electroimpulse machining of locking plate grooves and machining method |
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| Publication Number | Publication Date |
|---|---|
| CN105436639A true CN105436639A (en) | 2016-03-30 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410398923.7A Pending CN105436639A (en) | 2014-08-13 | 2014-08-13 | Electrode device for electroimpulse machining of locking plate grooves and machining method |
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| CN (1) | CN105436639A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470725A (en) * | 2017-10-09 | 2017-12-15 | 湖南三泰新材料股份有限公司 | A kind of compound electrode for being used to process screw-thread steel roll transverse rib |
| CN110434413A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | Axial-radial connects the processing method of slot inside a kind of bearing block |
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| JP2004314260A (en) * | 2003-04-18 | 2004-11-11 | Osaka Prefecture | Electrical discharge machining method of workpiece and electrode for electrical discharge machining |
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| CN202963683U (en) * | 2012-11-05 | 2013-06-05 | 贵州航天林泉电机有限公司 | Integral silver-plating electrode for porous processing |
| CN203356785U (en) * | 2013-07-03 | 2013-12-25 | 南京航空航天大学 | Electric spark machining device for local thinning of sheet part with complex shape |
| CN204135498U (en) * | 2014-08-13 | 2015-02-04 | 常州兰翔机械有限责任公司 | Be suitable for the electrode assembly of electric pulse processing locking plate groove |
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2014
- 2014-08-13 CN CN201410398923.7A patent/CN105436639A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1354066A (en) * | 2000-11-16 | 2002-06-19 | 通用电气公司 | Method for repairing curved section of nozzle guide device |
| JP2004314260A (en) * | 2003-04-18 | 2004-11-11 | Osaka Prefecture | Electrical discharge machining method of workpiece and electrode for electrical discharge machining |
| CN202344073U (en) * | 2011-10-31 | 2012-07-25 | 赫比(成都)精密塑胶制品有限公司 | Centralized discharging clamp |
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| CN202963683U (en) * | 2012-11-05 | 2013-06-05 | 贵州航天林泉电机有限公司 | Integral silver-plating electrode for porous processing |
| CN203356785U (en) * | 2013-07-03 | 2013-12-25 | 南京航空航天大学 | Electric spark machining device for local thinning of sheet part with complex shape |
| CN204135498U (en) * | 2014-08-13 | 2015-02-04 | 常州兰翔机械有限责任公司 | Be suitable for the electrode assembly of electric pulse processing locking plate groove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107470725A (en) * | 2017-10-09 | 2017-12-15 | 湖南三泰新材料股份有限公司 | A kind of compound electrode for being used to process screw-thread steel roll transverse rib |
| CN110434413A (en) * | 2019-08-30 | 2019-11-12 | 中国航发动力股份有限公司 | Axial-radial connects the processing method of slot inside a kind of bearing block |
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Address after: 213000 the Yellow River Middle Road, Xinbei District, Jiangsu, China, No. 8, No. Applicant after: Changzhou Hangfa China Lanxiang machinery limited liability company Address before: 213000 the Yellow River Middle Road, Xinbei District, Jiangsu, China, No. 8, No. Applicant before: Changzhou Lanxiang Machinery Co.,Ltd. |
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Application publication date: 20160330 |