CN206936547U - A kind of selfreparing tool-electrode milling type electric discharge device - Google Patents
A kind of selfreparing tool-electrode milling type electric discharge device Download PDFInfo
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- CN206936547U CN206936547U CN201720269349.4U CN201720269349U CN206936547U CN 206936547 U CN206936547 U CN 206936547U CN 201720269349 U CN201720269349 U CN 201720269349U CN 206936547 U CN206936547 U CN 206936547U
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- tool
- electrode
- electric discharge
- type electric
- discharge device
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- 238000003801 milling Methods 0.000 title claims abstract description 37
- 239000002245 particle Substances 0.000 claims abstract description 42
- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 239000006061 abrasive grain Substances 0.000 claims abstract description 21
- 239000007767 bonding agent Substances 0.000 claims abstract description 9
- 239000011159 matrix material Substances 0.000 claims abstract description 7
- 239000012224 working solution Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 16
- 238000000227 grinding Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model discloses a kind of selfreparing tool-electrode milling type electric discharge device, mainly includes tool-electrode and metal derby；Wherein, tool-electrode includes metallic matrix and the abrasive grain layer of metal base surface is consolidated in by conductive abrasive particle bonding agent；Tool-electrode can rotate around own axes, and can be moved with opposite piece；Metal derby is pressed on the abrasive grain layer of tool-electrode；When in use, the tool-electrode grinding metal derby of rotation, so as to forming metal adhesion layers on the abrasive grain layer that caused chip will adhere to tool-electrode in grinding process, electro-discharge machining is carried out using the adhesion layer, spark effect in process can cause the loss of adhesion layer, but the adhesion layer of loss will be ground metal derby again to obtain supplement reconstruction by tool-electrode, so that the geometry of tool-electrode is recovered in time, this undoubtedly extends the service life of tool-electrode, improves machining accuracy and reduces processing cost.
Description
Technical field
Machining equipment technical field is the utility model is related to, more particularly to a kind of selfreparing tool-electrode milling type is put
Electric machining device.
Background technology
Milling Process is used for the plane or curved surface of workpieces processing in machining.Surface after Milling Process is often machine
Significant surfaces in tool part.Often there are strict requirements on these surfaces to machining accuracy and crudy.
Traditional Milling Process is to go to cut softer object using the higher object of hardness as cutter, passes through extruding
Method removes the unnecessary material on workpiece to be processed surface, so that workpiece reaches defined geometry, dimensional accuracy
With the processing method of surface quality.With the development of science and technology, the material with premium properties is applied in numerous Advanced Equipments,
Such as high temperature alloy, stainless steel, titanium alloy, unimach, the machinability of this kind of material are poor, it is difficult to using traditional
Method carries out the Milling Process of part, and be thus born unconventional method for milling.
Unconventional method for milling mainly has electrochemistry milling and electric spark milling etc..Electrochemistry Milling Process is to pass through electricity
The metal removal in region to be processed is made workpiece reach defined geometry, dimensional accuracy and surface quality by the method for chemistry
Processing method.Although its in process negative electrode it is lossless, without macroscopical cutting force, suitably process various hard-cutting materials zero
Part and thin-wall part, it is high in machining efficiency, surface quality is good the advantages that, easily there is dispersion corrosion in but the bad control of its locality,
It is unfavorable for ensureing machining accuracy, electrical discharge milling machining is to spark over to add by using the electrode pair workpiece of standard shape
Work, so that by the metal removal in region to be processed, workpiece is set to reach adding for defined geometry, dimensional accuracy and surface quality
Work method.Although this method can process the conductive material of any hardness, because the process is electro-discharge machining, electrode is being processed
Itself can also sustain damage while workpiece, and this undoubtedly will greatly influence machining accuracy and crudy, therefore, how provide
A kind of processing for superhard material has：Machining accuracy is high, the milling method that service life is long, processing cost is low turns into
Those skilled in the art's important technological problems urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of selfreparing tool-electrode milling type electric discharge device, to reach
The geometry of tool-electrode is recovered in time in process, improve machining accuracy and crudy, extend work
Have the service life length of electrode, reduce the purpose of processing cost.
To achieve the above object, the utility model provides following technical scheme：
A kind of selfreparing tool-electrode milling type electric discharge device, mainly includes：
Tool-electrode, including metallic matrix and the abrasive grain layer for being fixedly arranged at the metal base surface, the abrasive grain layer bag
Abrasive particle is included, the abrasive particle is consolidated in the tool base by abrasive particle bonding agent, and the abrasive particle bonding agent is conductive material；
Metal derby, it is pressed on the abrasive grain layer；
The tool-electrode can rotate on its axis, and can be along workpiece (3) apparent motion.
Preferably, the metal derby is aluminium block or copper billet.
Preferably, the abrasive particle gathers on the inside of the abrasive grain layer and surface.
Preferably, the abrasive particle can be made up of diamond, carborundum, aluminum oxide or cubic boron nitride.
Preferably, the abrasive particle can be rhombus, triangle or irregular polygon structure.
Preferably, the tool-electrode rotates under first driving means driving, the output end of the first driving means
It is connected by rotary shaft with the tool-electrode.
Preferably, in addition to load carrier, the load carrier includes workbench and be arranged at can on the workbench
The motion platform and its control system of horizontal and vertical movement.
Preferably, in addition to it is used for the tank for holding working solution, it is internally provided with for clamping the workpiece to be processed
Fixture, the tank is arranged on the motion platform, and the open top of the tank is higher than the workpiece to be processed
Top.
It can be seen from the above technical proposal that a kind of selfreparing tool-electrode milling type electric discharge provided by the utility model adds
Frock is put, and mainly includes tool-electrode and metal derby；Wherein, tool-electrode includes metallic matrix and passes through conductive abrasive particle knot
Mixture is consolidated in the abrasive grain layer of metal base surface, and tool-electrode can rotate around own axes, and can be moved along workpiece surface；
Metal derby is pressed on the abrasive grain layer of tool-electrode；
When in use, the rotating shaft of tool-electrode is extremely connected by brush with the one of power supply, workpiece to be processed and power supply it is another
One is extremely connected, and tool-electrode rotates around own axes, and establish area I in tool-electrode adhesion layer is produced by abrasive particle grinding metal derby
Metal fragment will adhere to abrasive grain layer Abrasive Grain gap in form metal adhesion layers, and passed through with the rotation of tool-electrode
Cross tool-electrode adhesion layer shaping area II and reach processing district III, and electro-discharge machining is carried out to workpiece in processing district III.Discharging
In process, metal adhesion layers can be depleted, and abrasive particle will be exposed to tool-electrode surface again, allow it to regain grinding energy
Power.With the rotation of tool-electrode, in the abrasive particle arrival tool-electrode adhesion layer after tool-electrode adhesion layer area IV to be compensated
Area I is established, establish area's I abrasive particles in tool-electrode adhesion layer is ground to metal derby again so that the metal adhesion consumed
Layer obtains supplement and rebuild, i.e. loss of the tool-electrode in electric discharge machining process can be repaired timely, make tool-electrode
Geometry can be recovered in time, so as to extend the service life of tool-electrode, avoid due to tool electrode loss
Influence to Workpiece Machining Accuracy, ensure workpiece quality, reduce processing cost.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structure for selfreparing tool-electrode milling type electric discharge device that the utility model embodiment provides
Schematic diagram；
Fig. 2 is a kind of the cross-sectional of selfreparing tool-electrode milling type electric discharge device that the utility model embodiment provides
Schematic diagram；
Fig. 3 is the partial enlargement structural representation at A in Fig. 2；
Fig. 4 is a kind of vertical profile for selfreparing tool-electrode milling type electric discharge device that the utility model embodiment provides
Schematic diagram.
Embodiment
The utility model provides a kind of selfreparing tool-electrode milling type electric discharge device, to reach extension instrument electricity
Pole service life, machining accuracy is improved, lift crudy, reduce the purpose of processing cost.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 3 is referred to, Fig. 1 is a kind of selfreparing tool-electrode milling type electric discharge that the utility model embodiment provides
The structural representation of processing unit (plant), Fig. 2 are a kind of selfreparing tool-electrode milling type electric discharge that the utility model embodiment provides
The cross-sectional schematic diagram of processing unit (plant), Fig. 3 are the partial enlargement structural representation at A in Fig. 2.
The utility model embodiment provides a kind of selfreparing tool-electrode milling type electric discharge device, mainly including work
Have electrode 1 and metal derby 2.
Wherein, tool-electrode 1 includes metallic matrix 11 and is fixedly arranged at the abrasive grain layer 12 on the surface of metallic matrix 11, abrasive grain layer
12 include abrasive particle 12a, and abrasive particle 12a is consolidated in tool base 11 by abrasive particle bonding agent, and abrasive particle bonding agent is conductive material,
Tool-electrode 1 can rotate around own axes, and can be along the apparent motion of workpiece 3；Metal derby 2 is pressed on its abrasive grain layer 12.
Compared with prior art, a kind of selfreparing tool-electrode milling type electro-discharge machining that the utility model embodiment provides
Device, when in use, the rotating shaft of tool-electrode 1 are extremely connected by brush 13 with the one of power supply 9, workpiece to be processed 3 and power supply 9
Another to be extremely connected, tool-electrode 1 rotates around own axes, and establish area I in tool-electrode adhesion layer is ground metal derby by abrasive particle 12a
Metal fragment caused by 2 will form metal adhesion layers 5 in the gap for adhering to the Abrasive Grain of abrasive grain layer 12, and with tool-electrode
1 rotation reaches processing district III by tool-electrode adhesion layer shaping area II, and electric discharge is carried out to workpiece 3 in processing district III and is added
Work.In electric discharge machining process, metal adhesion layers 5 can be depleted, and abrasive particle 12a will be exposed to the surface of tool-electrode 1 again, allow it
Regain grinding capacity.With the rotation of tool-electrode 1, in the abrasive particle 12a after tool-electrode adhesion layer area IV to be compensated
Reach tool-electrode adhesion layer and establish area I, establish area I abrasive particles 12a in tool-electrode adhesion layer and metal derby 2 is ground again
Cut so that the metal adhesion layers 5 consumed obtain supplement and rebuild, i.e. loss of the tool-electrode 1 in electric discharge machining process can
Timely repaired, the geometry of tool-electrode 1 is recovered in time, so as to extend the use of tool-electrode 1
In the life-span, avoid because the influence to Workpiece Machining Accuracy is lost in tool-electrode 1, ensure workpiece quality, reduce processing cost.
In the utility model embodiment, metal derby forms the material of metal adhesion layers using soft easy grinding, than
Such as copper, aluminium is made, and certainly, above-mentioned material is only one kind side of being preferable to carry out that the utility model embodiment provides
Case, it is not limited thereto in practical operation, does not limit herein.
As can be seen that abrasive particle 12a, which is used to be ground with metal derby 2, produces metal fragment, abrasive particle 12a property in from the discussion above
Can energy and state be directly connected to metal adhesion layers 5 and smoothly be formed, and ground effect can be caused to drop significantly after abrasive particle 12a losses
It is low, it is unfavorable for the formation of metal adhesion layers 5.The reason for causing abrasive particle 12a to be lost, mainly has in frictional dissipation and friction process
Caused substantial amounts of heat.Therefore, the effect of grinding is influenceed in order to avoid abrasive particle 12a loss, in the utility model embodiment,
Abrasive particle 12a is made up of high-temperature wearable insulating materials, for example can use diamond, carborundum, aluminum oxide and cubic boron nitride
Made Deng high-melting-point, wear-resisting and insulation material, abrasive particle 12a, Neng Goujin are made by using high-temperature wearable insulating materials
Amount reduces abrasive particle 12a loss, ensures the smooth formation of metal adhesion layers 5.With the progress of processing, when instrument top layer abrasive particle is ground
Damage is serious, and after losing grinding capacity, metal adhesion layers will be difficult to establish in time, spark discharge will abrasive particle bonding agent and workpiece it
Between produce, in this case, spark discharge effect will remove the abrasive particle bonding agent of skim-coat abrasive particle, cause top layer Grain Falling Off,
So that the new abrasive particle of bottom exposes tool surfaces, the dressing of implementation tool.
Further optimize above-mentioned technical proposal, in the utility model embodiment, abrasive particle 12a preferably there are sharp corners
Structure, such as rhombus, triangle or irregular polygon structure.
Further optimize above-mentioned technical proposal, in the utility model embodiment, tool-electrode 1 is under drive device driving
Rotation, the output end of drive device are connected by rotary shaft 4 with tool-electrode 1.
In the utility model embodiment, as shown in figure 1, tool-electrode 1 can rotate on own axes, and can be along work
The apparent motion of part 3, metal derby 2 are pressed on the abrasive grain layer 12 of tool-electrode 1.
In the utility model embodiment, referring to Fig. 4, Fig. 4 is a kind of selfreparing that the utility model embodiment provides
The elevational schematic of tool-electrode milling type electric discharge device, a kind of selfreparing tool-electrode milling type electric discharge device is also
Including load carrier 8, load carrier 8 include workbench 81 and be arranged on workbench 81 can horizontal and vertical movement motion
Platform 82 and its control system 83.
In the utility model embodiment, as shown in Figure 4, a kind of selfreparing tool-electrode milling type electric discharge device
Also include being used for the tank 6 for holding working solution 10, it is internally provided with the fixture 7 for clamping the workpiece to be processed 3, described
Tank 6 is arranged on the motion platform 82, and the open top of the tank 6 is higher than the top of the fixture 7.So, exist
In electric discharge machining process, working solution 10 can be injected in tank 6, working solution 10 serves as discharge medium in electric discharge machining process.
Working solution 10 can be deionized water.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. a kind of selfreparing tool-electrode milling type electric discharge device, it is characterised in that mainly include：
Tool-electrode (1), including metallic matrix (11) and the abrasive grain layer (12) for being fixedly arranged at the metallic matrix (11) surface, institute
Stating abrasive grain layer (12) includes abrasive particle (12a), and the abrasive particle (12a) is consolidated in the tool base (11) by abrasive particle bonding agent
On, the abrasive particle bonding agent is conductive material；
Metal derby (2), it is pressed on the abrasive grain layer (12)；
The tool-electrode can rotate on own axes, and can be moved with respect to workpiece to be processed (3).
2. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that described
Metal derby (2) be copper billet or aluminium block.
3. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that described
Abrasive particle (12a) gathers in the inside and surface of the abrasive grain layer (12).
4. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that described
Abrasive particle (12a) is made up of diamond, carborundum, aluminum oxide or cubic boron nitride.
5. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that described
Abrasive particle (12a) is rhombus, triangle or irregular polygon structure.
6. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that described
Tool-electrode (1) rotates under drive device driving, and the output end of the drive device passes through rotary shaft (4) and instrument electricity
Pole (1) is connected.
7. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 1, it is characterised in that also wrap
Include load carrier (8), the load carrier (8) include workbench (81) and be arranged on the workbench (81) can laterally and
The motion platform (82) vertically moved, motion platform (82) are connected with control system (83).
8. a kind of selfreparing tool-electrode milling type electric discharge device according to claim 5, it is characterised in that also wrap
The tank (6) for holding working solution (10) is included, it is internally provided with the fixture (7) for clamping the workpiece to be processed (3),
The tank (6) is arranged on the motion platform (82), and the open top of the tank (6) is higher than the workpiece to be processed
(3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269349.4U CN206936547U (en) | 2017-03-17 | 2017-03-17 | A kind of selfreparing tool-electrode milling type electric discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720269349.4U CN206936547U (en) | 2017-03-17 | 2017-03-17 | A kind of selfreparing tool-electrode milling type electric discharge device |
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| Publication Number | Publication Date |
|---|---|
| CN206936547U true CN206936547U (en) | 2018-01-30 |
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|---|---|---|---|
| CN201720269349.4U Expired - Fee Related CN206936547U (en) | 2017-03-17 | 2017-03-17 | A kind of selfreparing tool-electrode milling type electric discharge device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624216A (en) * | 2017-03-17 | 2017-05-10 | 广东工业大学 | Milling type electrical discharge machining device for self-repairing tool electrode and method |
-
2017
- 2017-03-17 CN CN201720269349.4U patent/CN206936547U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106624216A (en) * | 2017-03-17 | 2017-05-10 | 广东工业大学 | Milling type electrical discharge machining device for self-repairing tool electrode and method |
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