CN110328418A - For revolving the feed flow fixture and its feed liquid way of print Electrolyzed Processing - Google Patents
For revolving the feed flow fixture and its feed liquid way of print Electrolyzed Processing Download PDFInfo
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- CN110328418A CN110328418A CN201910455793.9A CN201910455793A CN110328418A CN 110328418 A CN110328418 A CN 110328418A CN 201910455793 A CN201910455793 A CN 201910455793A CN 110328418 A CN110328418 A CN 110328418A
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- Prior art keywords
- workpiece
- processing
- tool
- electrolyte
- clamp body
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/10—Supply or regeneration of working media
Abstract
The present invention proposes to belong to technical field of electrolysis processing for the feed flow fixture and its feed liquid way that revolve print Electrolyzed Processing.The fixture is mainly made of three entrance and exits (21) and clamp body (2), support plate (1), left cover (3), right cover plate (14), briquetting (19), spring_slide structure etc..Clamp structure proposed by the present invention compresses flow channel space by reducing the gap between electrode and clamp body inner wall, and using spring_slide structure；Guarantee the sealing performance of fixture using sealing devices such as sealing ring and sealing strips.The present invention proposes that a kind of feed liquid way, i.e. electrolyte are flowed into from the upper inlet (8) of processing district and two side entrances of processing district, flowed out from the lower exit port (21) of processing district.The flow velocity and uniformity of processing district electrolyte can be improved in the clamp structure and feed liquid way, improves rotation print Electrolyzed Processing stability, machining accuracy and processing efficiency.
Description
Technical field
The present invention proposes to belong to Electrolyzed Processing field for the feed flow fixture and its feed liquid way that revolve print Electrolyzed Processing.
Background technique
Electrolyzed Processing is that the processing method of quickly removal material is dissolved using Anodic.Compared with machining, electricity
Solution is machined with its unique advantage, due to being contactless processing, in process cutter it is lossless, without remnants
Stress and plastic deformation, it is high in machining efficiency, surface quality is good the advantages that.Therefore, Electrolyzed Processing is suitable for thin-walled mutability, space
The processing of curved surface complexity and the high temperature alloy and titanium alloy material of difficult cutting.
There are many revolving parts such as automobile piston rings, aero-engine casing etc. in the industrial production, and wherein aviation is sent out
Motivation casing part is the most typical.Aero-engine casing is a kind of ring-shaped thin-walled part of large size, is the weight of aero-engine
The effects of wanting load component, playing connection, carrying, support.In casing external surface, there are many complicated knots such as boss, annulus, grid
Structure, material are mostly the material of the difficult cutting such as high temperature alloy, titanium alloy.Using traditional machining, tool wear is serious, adds
The work period is long, and processing charges is high, processes easily-deformable.
For the processing problem for solving complex thin-wall structure casing part, Shenyang dawn aero-engine Co., Ltd is mentioned
Realize the processing of casing surface complex profile (see patent " electrolytically machining complex case type surface with " piecemeal " electrochemical machining method out
Method ", 200910248600.9 applicant Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City of application number hair
Hainan bright people Xu Binzhu etc.), indexing, piecemeal, division of labor cloth processing method are used, using muti-piece block type electrode by entire casing
Type face is divided into different station, and separately designs corresponding tool cathode, and adding for entire casing type face is completed on different station
Work.Cathode number used in this method is more, and process is tedious, and the surface of two procedures processing has " washmarking out " and " connecing tool marks ", needs
The process for wanting the later period removes it.Nanjing Aero-Space University proposes casing rotation print electrochemical machining method (see patent " aeroplane engine
Machine Thin-Wall Outer Casing electrochemical machining method ", 201410547093 applicant Nanjing Aero-Space University inventor Zhu of application number
Reed Zhu Zengwei Wang Hongrui Wang Dengyong), for the design feature of revolving body surface boss, corresponding cathode construction is designed, is passed through
The relative rotation between anode and cathode and feeding mode are controlled, processes corresponding boss profile in workpiece surface.This method is not required to
Replacing electrode can be realized the disposable processing of Thin-Wall Outer Casing surface complex unevenness structure, and finished surface is smooth continuous, without " out
Washmarking " and " connecing tool marks ", manufacturing procedure is simple, high in machining efficiency.
Rotation print Electrolyzed Processing is that quickly removal material is dissolved using Anodic.When processing, workpiece anode and surface have
There is the tool cathode of insulated window to revolve print so that identical angular speed is opposite, at the same tool cathode with certain feed speed to workpiece
Anode feeding.With the progress of processing, the diameter of workpiece anode is gradually reduced, workpiece anode surface corresponding with cathode window by
Gradually it is processed boss structure.In rotation print Electrolyzed Processing, only just occur in the lesser segment limit in anode and cathode wall surface gap
Anode material ablation, the region are known as Electrolyzed Processing area.The quality in processing district flow field directly affects processing stability, processing effect
Rate, the forming accuracy of boss and surface roughness etc..Since the gap of processing district is smaller (generally 0.1mm-0.5mm), and
The rotation of electrode, the continuous reduction of diameter of work, growth of boss etc. make electrolyte channel be difficult to seal in process,
The presence of boss makes boss back machining area electrolyte flow rate low, and flow Field Design is sufficiently complex.Processing district flow field difference can be led
It causes electrolysate to be difficult to discharge in time and causes the problems such as partial short-circuit, finished surface current mark are serious, processing cannot stablize progress.Cause
This, for meet rotation print Electrolyzed Processing efficiently, stablize processing the needs of, propose for revolve print Electrolyzed Processing feed flow fixture and its
Feed liquid way.
Summary of the invention
Existing deficiency when the present invention is for rotation print Electrolyzed Processing, propose for revolve print Electrolyzed Processing feed flow fixture and
Its feed liquid way, the feed liquid way and clamp structure of invention design pass through improvement to meet the processing of labyrinth workpiece
The flow field of processing district guarantees that electrolysate can be taken away in time by electrolyte, improves processing stability, machining accuracy and processing effect
Rate.
It is a kind of for revolve print Electrolyzed Processing feed flow fixture, it is characterised in that: including clamp body and end cap；
Clamp body is provided with processing cavity；Processing cavity is divided into workpiece housing region and tool housing region, workpiece housing region and tool
It is processing district among housing region；Processing cavity is wired to symmetrical structure, above-mentioned connecting line about workpiece centre and tool focus
It also is processing cavity symmetry axis；The centre that clamp body is located at workpiece housing region is provided with workpiece shaft mounting hole；
End cap is located above clamp body, and the centre that wherein end cap is located at tool housing region is provided with tool shaft mounting hole；Wherein its
It is characterized in that:
Above-mentioned clamp body is also provided with 2 workpiece sliding block guide runners and 1 tool slider guide runner；Wherein 2 workpiece sliding block slide guides
Slot position on the outside of the workpiece housing region with workpiece housing region connection, and it is symmetrical along processing cavity symmetry axis；1 tool slider
Guide runner is located on the outside of tool housing region and tool housing region connection, and is located on the axis of processing cavity symmetry axis；
Workpiece sliding block is installed, workpiece sliding block and workpiece-contacting tip, which are provided with, to be avoided and workpiece surface in above-mentioned workpiece sliding block guide runner
Boss structure have interference anti-interference slot；The other end of workpiece sliding block is provided with blind hole, blind hole and briquetting slide guide trench bottom it
Between workpiece sliding block spring is installed；
Tool slider is installed in above-mentioned tool slider guide runner；The other end of tool slider is provided with blind hole, and blind hole and tool are sliding
Tool slider spring is installed between block slide guide trench bottom；
Above-mentioned feed flow fixture be above enter, two sides enter, down go out feed liquid way, i.e., on end cap with processing district above corresponding position be provided with
Electrolyte upper inlet；Clamp body and processing district two sides corresponding position are provided with electrolyte side inlet I and electrolyte side inlet
II；Corresponding position is provided with electrolyte outlet below clamp body and processing district.
The feed liquid way of the above-mentioned feed flow fixture for being used to revolve print Electrolyzed Processing, it is characterised in that including following procedure:
Electrolyte is supplied, electrolyte is flowed into two side entrances above processing district, flowed out from the outlet below processing district；Top
Entrance is main fliud flushing mouth, and the entrance of two sides is auxiliary fliud flushing mouth, and pressure is slightly less than the pressure of main fliud flushing mouth.
2 workpiece sliding blocks are pressed on workpiece in workpiece sliding block guide runner by spring, and 1 tool slider is sliding in tool
It is pressed on tool in block guide runner by spring, plays the role of closure in process, make the electrolyte of winner's fliud flushing mouth
It can only be flowed into from top, outlet by processing district, then from below outflow, so that the electrolyte flow rate of processing district is higher and flow velocity
Uniformly；Workpiece is synchronous with tool to turn, and tool is fed with constant speed to workpiece, is also turned on Electrolyzed Processing power supply and is opened
Begin to process, electrolyte flows through processing district and takes away electrolysate, processes boss structure in workpiece surface corresponding with cathode window.
Sliding block and electrode are compressed by spring block device, prevent electrolyte from flowing away from two sides, before guaranteeing sealing
It puts, the fixture can also be made to can be adapted for the work pieces process of different-diameter in a certain range using the decrement of spring,
So that sliding block is adjacent to electrode surface always in process.In the feed liquid way of the fixture, the entrance of two sides is auxiliary punching
Liquid mouth, plays the role of closure in process, flow into the electrolyte of winner's fliud flushing mouth can only from top, by processing
Area, then outlet outflow from below, so that the electrolyte flow rate of processing district is higher and flow velocity is uniform.
The above-mentioned feed flow fixture for being used to revolve print Electrolyzed Processing, it is characterised in that:
Above-mentioned end cap is made of the first cover board and the second cover board.For the ease of installation and removal, on the premise of ensuring tightness
End cap is split into the first cover board and the second cover board.
It is above-mentioned for revolve the feed flow fixture of print Electrolyzed Processing, it is characterised in that: above-mentioned first cover board and the second cover board outside
Edge lower surface is provided with slot, installs sealing strip in slot；First cover board and the second cover board are compressed by briquetting and clamp body, and briquetting passes through
Screw and clamp body installation fasten.It prevents electrolyte from flowing out out of installation gap, increases the leakproofness of fixture.
The above-mentioned feed flow fixture for being used to revolve print Electrolyzed Processing, it is characterised in that:
Above-mentioned electrolyte upper inlet is located at right above processing district, matches with the electrolyte upper inlet mounting hole screw thread of the first cover board
Close connection.In the two sides of processing district and the surface inlet porting of processing district, outlet, the confession are set in the underface of processing district
Liquid mode makes that the electrolyte flow rate of processing district is higher and flow velocity is uniform, it is ensured that stability, the processing efficiency of processing.
Detailed description of the invention
Fig. 1 is the whole installation diagram of fixture；
Fig. 2 is the installation diagram for removing briquetting and left and right cover board；
Fig. 3 is clamp body structure chart；
Fig. 4 is workpiece slide block structure figure；
Fig. 5 is left cover structure chart；
Fig. 6 is the hardened composition of right cover；
Fig. 7 is the cross-sectional view of the whole installation diagram of fixture；
Wherein, 1, support plate, 2, clamp body, 3, left cover, 4, workpiece sliding block spring, 5, workpiece sliding block, 6, left cover sealing strip,
7, workpiece, 8, electrolyte upper inlet, 9, electrolyte side inlet I, 10, tool shaft, 11, tool, 12, tool slider, 13, work
Have spring, 14, right cover plate, 15, right cover plate sealing strip, 16, pin, 17, screw, 18, processing cavity, 19, briquetting, 20, electrolyte
Side inlet II, 21, electrolyte lower exit port, 22, workpiece sliding block guide runner, 23, sealing ring mounting hole, 24, tool slider leads
Sliding slot, 25, workpiece slider tail blind hole, 26, slot, 27, electrolyte upper inlet mounting hole, 28, tool shaft mounting hole I, 29, a left side
Cover plate for sealing mounting groove I, 30, right cover plate sealing strip mounting groove, 31, tool shaft mounting hole II, 32, sealing ring, 33, workpiece
Axis.
Specific embodiment
Specific implementation process of the invention is described in detail with reference to the accompanying drawing.
Implement the present invention --- " for revolving the feed flow fixture and its feed liquid way of print Electrolyzed Processing ", as shown in Figure 1, the dress
Setting mainly includes clamp body 2, support plate 1, left cover 3, right cover plate 14, briquetting 19, entrance 8,9,20, outlet 21, spring 4,13,
Sliding block 5,12 etc..
Clamp body 2 is connect with support plate 1 by screw 17, is positioned by pin 16, and clamp body is with support plate using corrosion-resistant
Material production, such as epoxy resin.Left cover 3 is compressed between right cover plate 14 and clamp body 2 by briquetting 19, left cover 3 and right cover
Plate 14 uses corrosion resistant transparent insulation material, is convenient for the case where observing when processing.Workpiece 7 is mounted on workpiece spindle 34, tool
11 are mounted on tool shaft 10, and sliding block 5,12 is pressed on 11 surface of workpiece 7 and tool respectively by spring 4,13, play closure electricity
The effect of liquid is solved, sliding block uses stainless steel using insulation resistant material, spring.
Using Electrolyzed Processing workpiece of the present invention process the following steps are included:
Step 1 installs workpiece and tool cathode, and for connection type as shown in Figure 1, workpiece is mounted on workpiece spindle, tool is mounted on work
Has axis.
Step 2 installs sliding block, spring is mounted on slider tail, is co-mounted in the guide runner of clamp body, sliding block
It is compressed respectively with workpiece and tool.
Sealing strip is mounted in the sealing strip mounting groove of left and right cover board by step 3, by left and right cover board and is pressed from both sides by briquetting
It is specific to compress.
Step 4 supplies electrolyte, and electrolyte flows into above processing district with two side entrances, from the outlet below processing district
Outflow.
Step 5, workpiece is synchronous with tool to turn, and tool is fed with constant speed to workpiece, is also turned on electrolysis
Processing power source starts to process, and electrolyte flows through processing district and takes away electrolysate, processes in workpiece surface corresponding with cathode window
Boss structure out.
Step 6, process finishing are cut off the power, and electrolyte valve is closed.
Claims (4)
1. a kind of for revolving the feed flow fixture of print Electrolyzed Processing, it is characterised in that:
Including clamp body (2) and end cap；
Clamp body (2) is provided with processing cavity (18)；Processing cavity (18) is divided into workpiece housing region and tool housing region, and workpiece accommodates
It is processing district among region and tool housing region；Processing cavity (18) is wired to symmetrical junction about workpiece centre and tool focus
Structure, above-mentioned connecting line are also processing cavity symmetry axis；The centre that clamp body (2) is located at workpiece housing region is provided with tool shaft installation
Hole；
End cap is located above clamp body (2), and the centre that wherein end cap is located at tool housing region is provided with tool shaft mounting hole；Wherein
It is characterized by:
Above-mentioned clamp body (2) is also provided with 2 workpiece sliding block guide runners (22) and 1 tool slider guide runner (24)；Wherein 2 works
Part sliding block guide runner (22) is located on the outside of workpiece housing region and workpiece housing region connection, and along the symmetrical axial symmetry of processing cavity point
Cloth；1 tool slider guide runner (24) is located on the outside of tool housing region and tool housing region connection, and is located at processing cavity
On the axis of symmetry axis；
It is equipped with workpiece sliding block (5) in above-mentioned workpiece sliding block guide runner (22), workpiece sliding block (5) is provided with workpiece-contacting tip to be avoided
The anti-interference interfered with the boss structure on workpiece (7) surface slots (26)；The other end of workpiece sliding block (5) is provided with blind hole (25),
Workpiece sliding block spring (4) are installed between blind hole (25) and workpiece sliding block guide runner (22) bottom；
Tool slider (12) are installed in above-mentioned tool slider guide runner (24)；The other end of tool slider is provided with blind hole, blind hole
Tool slider spring (13) are installed between tool slider guide runner (22) bottom；
Above-mentioned feed flow fixture be above enter, two sides enter, down go out feed liquid way, i.e., on end cap with processing district above corresponding position be provided with
Electrolyte upper inlet (8)；Clamp body (2) and processing district two sides corresponding position are provided with electrolyte side inlet I(9) and electrolyte
Side inlet II(20)；Corresponding position is provided with electrolyte outlet (21) below clamp body (2) and processing district.
2. what is described according to claim 1 is used to revolve the feed flow fixture of print Electrolyzed Processing, it is characterised in that:
Above-mentioned end cap is made of the first cover board (3) and the second cover board (14).
3. the feed flow fixture for being used to revolve print Electrolyzed Processing described according to claim 2, it is characterised in that: above-mentioned first cover board
(3) and the lower surface of the second cover board (14) outer rim is provided with slot, installs sealing strip (6,15) in slot；First cover board (3) and the second lid
Plate (14) is compressed by briquetting (19) and clamp body (2), and briquetting (19) is fastened by screw and clamp body installation.
4. utilize described in claim 1 for revolve print Electrolyzed Processing feed flow fixture feed liquid way, it is characterised in that including with
Lower process:
Electrolyte is supplied, electrolyte is flowed into two side entrances above processing district, flowed out from the outlet below processing district；Top
Entrance is main fliud flushing mouth, and the entrance of two sides is auxiliary fliud flushing mouth, and pressure is slightly less than the pressure of main fliud flushing mouth；
2 workpiece sliding blocks (5) are pressed on workpiece in workpiece sliding block guide runner (22) by spring, 1 tool slider (12)
It is pressed on tool in tool slider guide runner (24) by spring, plays the role of closure in process, rush winner
The electrolyte of liquid mouth can only be flowed into from top, the outlet outflow by processing district, then from below, so that the electrolysis liquid stream of processing district
Fast higher and flow velocity is uniform；
Workpiece is synchronous with tool to turn, and tool is fed with constant speed to workpiece, is also turned on Electrolyzed Processing power supply and is opened
Begin to process, electrolyte flows through processing district and takes away electrolysate, processes boss structure in workpiece surface corresponding with cathode window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455793.9A CN110328418B (en) | 2019-05-29 | 2019-05-29 | Liquid supply clamp for rotary printing electrolytic machining and liquid supply mode thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910455793.9A CN110328418B (en) | 2019-05-29 | 2019-05-29 | Liquid supply clamp for rotary printing electrolytic machining and liquid supply mode thereof |
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| Publication Number | Publication Date |
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| CN110328418A true CN110328418A (en) | 2019-10-15 |
| CN110328418B CN110328418B (en) | 2020-07-28 |
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| CN201910455793.9A Active CN110328418B (en) | 2019-05-29 | 2019-05-29 | Liquid supply clamp for rotary printing electrolytic machining and liquid supply mode thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111822799A (en) * | 2020-07-01 | 2020-10-27 | 南京航空航天大学 | Device and method for simulating rotary body part rotary printing electrolytic dissolution process by using plate electrode |
| CN112975010A (en) * | 2021-01-27 | 2021-06-18 | 南京航空航天大学 | Reciprocating spin-printing electrolytic machining device and method |
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| CN112975010A (en) * | 2021-01-27 | 2021-06-18 | 南京航空航天大学 | Reciprocating spin-printing electrolytic machining device and method |
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| CN110328418B (en) | 2020-07-28 |
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