CN106925849A - A kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing - Google Patents
A kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing Download PDFInfo
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- CN106925849A CN106925849A CN201710164257.4A CN201710164257A CN106925849A CN 106925849 A CN106925849 A CN 106925849A CN 201710164257 A CN201710164257 A CN 201710164257A CN 106925849 A CN106925849 A CN 106925849A
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- negative electrode
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- curved surface
- flow field
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- 239000003792 electrolyte Substances 0.000 claims abstract description 58
- 238000003754 machining Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
-
- 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
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/04—Electrodes specially adapted therefor or their manufacture
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a kind of flow field fixture of Electrolyzed Processing L-shaped curved surface class workpiece, including jig main body, the electrolyte entrance being arranged on jig main body and electrolyte outlet, negative electrode and anode slot, negative electrode is tightly connected with jig main body, the axis of negative electrode intersects with the axis of anode slot, there is l-shaped clearance between negative electrode and anode slot, it is connected by runner between electrolyte entrance and electrolyte outlet, l-shaped clearance is a part for runner, and negative electrode sets split channel near the side of anode slot.The present invention is in the case where the electrolyte total flow in gap between flowing through anode and cathode is constant, change the structure type of negative electrode, reduce the flow of big corner's electrolyte by split channel, and then reducing speed difference and pressure differential between anode and negative electrode, the electrolyte for flowing through " L " shape corner is more stablized and uniform.
Description
Technical field
The present invention relates to Electrolyzed Processing field, more particularly to a kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing.
Background technology
Electrolyzed Processing is that the principle that Anodic dissolving occurs in the electrolytic solution using metal works the work piece into shape
A kind of special process method.During processing, workpiece connects the positive pole of dc source, and instrument connects negative pole, and less is kept between the two poles of the earth
Gap, electrolyte flows through from pole clearance, makes to form conductive path between the two poles of the earth, and produces electric current under supply voltage, so that
Anodic dissolving is formed, as instrument opposite piece constantly feeds, workpiece metal is constantly electrolysed, the continuous quilt of electrolysate
Electrolyte is washed away, and final two interpolar gap everywhere is reached unanimity, and workpiece surface forms the shape substantially similar to tool work face
Shape.Electrolyzed Processing has significant advantage for difficult-to-machine material, complex-shaped or thin-walled parts processing, and has obtained extensive answering
With, such as gun tube rifling, blade, integral wheel, mould, profiled holes and irregular part, the processing such as chamfering and deburring, and permitted
In the processing of many parts, electrolytic processing process has occupied important even not alternative status.
With continuing to develop for equipment manufacture, occurred in that in Aero-Space, war industry equipment, heavy-duty machinery various
Labyrinth.High, refined, peak products, the requirement more and more higher to crudy.Complicated structure is proposed to the method and equipment processed
Requirement and challenge higher.Theoretical and experimental study shows in Electrolyzed Processing, the stability and uniformity of flow field electrolyte inside
It is the key factor for influenceing Electrolyzed Processing precision.For the workpiece with big corner shape, conventional electrolytic machining clamper system,
Electrolyte of the processing gap flow field big corner near workpiece anode and this both sides of tool cathode there are obvious pressure differential and
Speed difference.Corner's electrolyte velocity and pressure all there are larger gradient difference.
In electrochemical machining process, negative electrode is electrolytic machining clamper system important component.Traditional cathode construction shape
Formula, although the basic demand of Electrolyzed Processing can be met, but there is also the defect of design aspect.Major defect has：In band
In having an electrochemical machining process of complex-curved structure at big turning, the electrolyte in flow field when through excessive turning, due to
The mutation in flow field, can cause to be close to the speed that the speed of flow field electrolyte at negative electrode is far longer than the flow field electrolyte at anode
Degree, the pressure near flow field electrolyte at anode are far longer than the pressure of the flow field electrolyte at negative electrode, excessive pressure differential
With the stability and uniformity that speed difference has a strong impact on electrolyte property, the stability and uniformity in whole flow field can be influenceed, dropped
The quality of low Electrolyzed Processing product.
Therefore, how to change in the prior art, in the complex-curved electrochemical machining process with L-shaped, electrolyte stream
Speed difference and pressure differential are excessive, reduce the present situation of Electrolyzed Processing product quality, are those skilled in the art's problem demanding prompt solutions.
The content of the invention
It is above-mentioned existing to solve it is an object of the invention to provide a kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing
The problem that technology is present, electrolyte is evenly distributed in making the complex-curved electrochemical machining process with L-shaped, improves Electrolyzed Processing
Product quality.
To achieve the above object, the invention provides following scheme：The present invention provides a kind of L-shaped curved surface class workpiece electrolysis and adds
The flow field fixture of work, including jig main body, be arranged on the jig main body electrolyte entrance, be placed on the jig main body
Electrolyte outlet, negative electrode and anode slot, the negative electrode is tightly connected with the jig main body, the axis of the negative electrode and institute
The axis for stating anode slot intersects, and has l-shaped clearance, the electrolyte entrance and institute between the negative electrode and the anode slot
State and be connected by runner between electrolyte outlet, the l-shaped clearance is a part for the runner, and the negative electrode is near the sun
The side of pole slot sets split channel.
Preferably, the negative electrode is setting trapezoidal projection near the side of the anode slot, and the split channel is set
In in the trapezoidal projection.
Preferably, the split channel is that multiple cylindrical holes are uniformly constituted, the axis of the cylindrical hole and described the moon
The diameter parallel of pole.
Preferably, the negative electrode makees rounding treatment.
Preferably, the axis of the negative electrode and the axis angle of the anode slot are 90 degree, and the electrolyte entrance sets
The axis of the negative electrode and the right angle angle side of the axis of the anode slot are placed in, the electrolyte outlet is arranged at described
The obtuse angle angle side of the axis of negative electrode and the axis of the anode slot.
Preferably, the width of the l-shaped clearance is 0.1-0.5mm.
Preferably, the anode is the L-shaped structure that shorter plane is constituted with curved surface more long, the negative electrode and the L
Shape respective outer side edges are the l-shaped clearance between forming negative and positive the two poles of the earth.
Preferably, the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing also includes the negative electrode for being connected with machining tool
Retainer and anode retainer, the negative electrode retainer are fixed on the cathode, and the anode retainer is fixed on anode.
The present invention achieves following technique effect relative to prior art：The electrolyte in gap is total between anode and cathode is flowed through
In the case that flow is constant, change the structure type of negative electrode, the flow of big corner's electrolyte is reduced by split channel, and then
Reduce the speed difference and pressure differential between anode and negative electrode, the electrolyte for flowing through " L " shape corner is more stablized and uniform, most
The machining accuracy of raising " L " shape form workpiece and the purpose of crudy are reached eventually.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the invention
Example, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing of the present invention；
Fig. 2 is the structural representation of negative electrode of the present invention；
The structural representation of machining tool when Fig. 3 is the flow field fixture work of L-shaped curved surface class workpiece Electrolyzed Processing of the present invention
Figure；
Wherein, 1 is jig main body, and 2 is electrolyte entrance, and 3 is electrolyte outlet, and 4 is negative electrode, and 5 is anode slot, and 6 is L
Shape gap, 7 is runner, and 8 is split channel, and 9 is negative electrode retainer, and 10 is anode retainer, and 11 is electrolytic bath, and 12 is power supply
Control system.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is above-mentioned existing to solve it is an object of the invention to provide a kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing
The problem that technology is present, electrolyte is evenly distributed in making the complex-curved electrochemical machining process with L-shaped, improves Electrolyzed Processing
Product quality.
It is below in conjunction with the accompanying drawings and specific real to enable the above objects, features and advantages of the present invention more obvious understandable
The present invention is further detailed explanation to apply mode.
Fig. 1 to Fig. 3 is refer to, Fig. 1 is the structural representation of the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing of the present invention
Figure, Fig. 2 is the structural representation of negative electrode of the present invention, and Fig. 3 is the flow field fixture work of L-shaped curved surface class workpiece Electrolyzed Processing of the present invention
When machining tool structural representation.
The present invention provides a kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing, including jig main body 1, is arranged at folder
Electrolyte entrance 2, the electrolyte outlet 3, negative electrode 4 and the anode slot 5 that are placed on jig main body 1 in tool main body 1, negative electrode 4 with
Jig main body 1 is tightly connected, and the axis of negative electrode 4 intersects with the axis of anode slot 5, has L between negative electrode 4 and anode slot 5
Shape gap 6, is connected between electrolyte entrance 2 and electrolyte outlet 3 by runner 7, and l-shaped clearance 6 is a part for runner 7, cloudy
Pole 4 sets split channel 8 near the side of anode slot 5.
Structure type by changing negative electrode 4 of the invention, the flow of big corner's electrolyte is reduced by split channel 8,
And then reducing speed difference and pressure differential between anode workpiece and negative electrode 4, the electrolyte for flowing through " L " shape corner is more stablized
With it is uniform, be finally reached the machining accuracy of raising " L " shape form workpiece and the purpose of crudy.
Negative electrode 4 is setting trapezoidal projection near the side of anode slot 5, and split channel 8 is arranged in trapezoidal projection.Electrolysis
Liquid enters jig main body 1 from electrolyte entrance 2, and a portion electrolyte flows through from l-shaped clearance 6, and another part is from shunting
Passage 8 flows through, and reduces the flow that electrolyte flows through from l-shaped clearance 6, reduces electrolyte between negative electrode 4 and anode workpiece
Speed difference and pressure differential.
Split channel 8 is that multiple cylindrical holes are uniformly constituted, and refer to Fig. 2, the axis of cylindrical hole and the axis of negative electrode 4
It is parallel, in order that electrolyte passes through gentler during split channel 8, split channel 8 is set to cylindrical hole structure, while many
Individual cylindrical hole is uniform.
Negative electrode 4 makees rounding treatment, it is to avoid the stream of electrolyte between turbulent flow increase negative electrode 4 and anode workpiece occurs in electrolyte
Speed difference.
The axis of negative electrode 4 is 90 degree with the axis angle of anode slot 5, refer to Fig. 1, and electrolyte entrance 2 is arranged at the moon
The right angle angle side of the axis of pole 4 and the axis of anode slot 5, electrolyte outlet 3 is arranged at the axis of negative electrode 4 and anode is inserted
The obtuse angle angle side of the axis of groove 5.
The width of l-shaped clearance 6 is 0.1-0.5mm.
One end and the L-shaped structure that anode slot 5 has L-shaped structure, negative electrode 4 cooperatively form l-shaped clearance 6.
The flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing also includes the negative electrode retainer 9 for being connected with machining tool
With anode retainer 10, negative electrode retainer 9 is fixed on negative electrode 4, and anode retainer 10 is fixed in anode workpiece.Electrolyzed Processing
When, anode workpiece is arranged in anode slot 5, and anode retainer 10 is fixed in anode workpiece, and negative electrode retainer 9 is fixed on the moon
On pole 4, negative electrode retainer 9 and anode retainer 10 are used to be connected with the power control system 12 in electrochemical machining system.
When the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing works, Fig. 3 is refer to, machining tool includes electrolytic bath
11st, flow field fixture and power control system 12, electrolytic bath 11, power control system 12 are connected with flow field fixture respectively.
Between the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing of the invention, negative electrode 4 and anode slot 5 cooperatively form L-shaped
Gap 6, negative electrode 4 is setting trapezoidal projection near the side of anode slot 5, and split channel 8 is set in trapezoidal projection, and electrolyte is by electricity
Solution liquid entrance 2 enters in air stream enter runner 7, and when flowing through l-shaped clearance 6, a part of electrolyte flows through from l-shaped clearance 6, another part from point
The cylindrical hole group of circulation road 8 flows through, and reduces the flow that electrolyte flows through from l-shaped clearance 6, makes the flowing of electrolyte more
Gently, the speed difference and pressure differential of electrolyte between negative electrode 4 and anode workpiece are reduced, the crudy of workpiece is improved.
Specific case is applied in the present invention to be set forth principle of the invention and implementation method, above example
Illustrate that being only intended to help understands the method for the present invention and its core concept；Simultaneously for those of ordinary skill in the art, according to
According to thought of the invention, will change in specific embodiments and applications.In sum, this specification content
Should not be construed as limiting the invention.
Claims (8)
1. a kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing, it is characterised in that：Including jig main body, be arranged at it is described
Electrolyte entrance on jig main body, electrolyte outlet, negative electrode and the anode slot being placed on the jig main body, the negative electrode
Be tightly connected with the jig main body, the axis of the negative electrode intersects with the axis of the anode slot, the negative electrode with it is described
There is l-shaped clearance between anode slot, be connected by runner between the electrolyte entrance and the electrolyte outlet, the L
Shape gap is a part for the runner, and the negative electrode sets split channel near the side of the anode slot.
2. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 1, it is characterised in that：The negative electrode
Trapezoidal projection is being set near the side of the anode slot, the split channel is arranged in the trapezoidal projection.
3. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 2, it is characterised in that：The shunting
Passage is that multiple cylindrical holes are uniformly constituted, the diameter parallel of the axis of the cylindrical hole and the negative electrode.
4. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 3, it is characterised in that：The negative electrode
Make rounding treatment.
5. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 1, it is characterised in that：The negative electrode
Axis and the anode slot axis angle be 90 degree, the electrolyte entrance be arranged at the axis of the negative electrode with it is described
The right angle angle side of the axis of anode slot, the electrolyte outlet is arranged at the axis and the anode slot of the negative electrode
Axis obtuse angle angle side.
6. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 1, it is characterised in that：Between the L-shaped
The width of gap is 0.1-0.5mm.
7. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 1, it is characterised in that：The anode
The L-shaped structure that to be shorter plane constituted with curved surface more long, the negative electrode and the L-shaped structure cooperatively form negative and positive the two poles of the earth it
Between be the l-shaped clearance.
8. the flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing according to claim 1, it is characterised in that：Also include using
In the negative electrode retainer and anode retainer that are connected with machining tool, the negative electrode retainer is fixed on the cathode, described
Anode retainer is fixed on anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710164257.4A CN106925849A (en) | 2017-03-20 | 2017-03-20 | A kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710164257.4A CN106925849A (en) | 2017-03-20 | 2017-03-20 | A kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing |
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| CN201710164257.4A Pending CN106925849A (en) | 2017-03-20 | 2017-03-20 | A kind of flow field fixture of L-shaped curved surface class workpiece Electrolyzed Processing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110605444A (en) * | 2019-09-03 | 2019-12-24 | 南京航空航天大学 | Electrode assembly of electrochemical machining tool for rotary body surface high boss and electrochemical machining method |
| CN112894038A (en) * | 2021-02-26 | 2021-06-04 | 河海大学常州校区 | Curved surface electrolytic machining device and system |
| CN113909595A (en) * | 2021-11-23 | 2022-01-11 | 南京航空航天大学 | Blade/blisk electrolytic machining device and electrolyte flow stabilizing device |
| CN114959806A (en) * | 2022-06-02 | 2022-08-30 | 江苏理工学院 | Array through hole electroforming processing device and two-dimensional material modification method |
| CN115770914A (en) * | 2022-11-23 | 2023-03-10 | 重庆红江机械有限责任公司 | Electrolytic chamfering clamp for oil sprayer body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113909595A (en) * | 2021-11-23 | 2022-01-11 | 南京航空航天大学 | Blade/blisk electrolytic machining device and electrolyte flow stabilizing device |
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| CN114959806A (en) * | 2022-06-02 | 2022-08-30 | 江苏理工学院 | Array through hole electroforming processing device and two-dimensional material modification method |
| CN114959806B (en) * | 2022-06-02 | 2024-05-07 | 江苏理工学院 | Array through hole electroforming device and two-dimensional material modification method |
| CN115770914A (en) * | 2022-11-23 | 2023-03-10 | 重庆红江机械有限责任公司 | Electrolytic chamfering clamp for oil sprayer body |
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Inventor after: Wang Lei Inventor after: Dai Encheng Inventor after: Guo Ludi Inventor after: Wang Yesheng Inventor before: Wang Lei Inventor before: Wang Yesheng Inventor before: Li Xuehui |
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Application publication date: 20170707 |