CN103817388B - A kind of device for preparing the fine milling cutter of screw type hard alloy - Google Patents
A kind of device for preparing the fine milling cutter of screw type hard alloy Download PDFInfo
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- CN103817388B CN103817388B CN201410076003.3A CN201410076003A CN103817388B CN 103817388 B CN103817388 B CN 103817388B CN 201410076003 A CN201410076003 A CN 201410076003A CN 103817388 B CN103817388 B CN 103817388B
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- milling cutter
- electrolyte
- hollow edged
- edged electrode
- electrolytic bath
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Abstract
The present invention provides the device that a kind of utilization micro-electrochemical machining technology prepares the fine milling cutter of screw type hard alloy, it is characterised in that including：Electrolytic bath（1）, hollow edged electrode（2）, hollow edged electrode fixture（3）, the fine milling cutter of screw type hard alloy（4）, tool mounting（5）, motor one（6）, leading screw（7）, motor two（8）, electrolytic bath feed tube（9）, electrolyte storing box（10）, electrolytic bath discharging tube（11）, compression pump（12）, filter（13）, valve（14）, motion platform（15）, workbench（16）Utilize the dissolving locality and quality control on the surface ability of micro-electrochemical machining well, using electric field integrated distribution in hollow edged electrode Electrolyzed Processing near electrode end surface, using sodium nitrate solution, sodium chlorate solution or the relatively small advantage of its mixed solution dispersion corrosion, high accuracy, high efficiency, the fine milling cutter of preparation screw type hard alloy of low cost can be accomplished.
Description
Technical field
The invention belongs to the preparation facilities of milling cutter, particularly relate to a kind of micro- using micro-electrochemical machining preparation screw type hard alloy
The device of thin milling cutter.
Background technology
At present, existing a variety of processing unit (plant)s can prepare fine milling cutter, but still suffer from many serious ask at many aspects
Topic.The existing process unit for preparing fine milling cutter has：(1) electrospark wire electrode grinding attachment；(2) laser processing device；(3)
Precise fine grinding attachment；(4) focused ion beam sputter equipment；(5) it is electrolysed electric spark combined micro-machining device.Use electric fire
When prepared by yarn electrode grinding attachment, electrical pitting can be formed in milling cutter tool cutting edge and cutting face and surface change is consequently formed
Matter layer, microfissure and residual tension；Laser processing device also has the defect similar to electrospark wire electrode grinding attachment, swashs
The conduction of heating power can form heat affected area when light processes fine milling cutter, and microfissure and thermal stress are equally existed in the region；Make
Precise fine grinding attachment is used, technological requirement prepared by micro- milling cutter can be met to a certain extent, but is influenceed by grinding force, its
The cutter minimum diameter obtained can be stablized to be limited to；And focused ion beam sputter equipment is ensureing high when preparing micro- milling cutter
While precision there is also processing efficiency is excessively low, cost too high shortcoming, it is impossible to realize the fine milling cutter of prepare with scale；Electricity
There is material over-cutting seriously in solution electric spark machine, the defect that machining accuracy is difficult to ensure that.
Therefore high accuracy, high efficiency, inexpensive processing unit (plant) are found to prepare the fine milling cutter of high accuracy, high intensity be micro-
Milling prepares the bottleneck problem faced, is one of the key core problem of current fine cutter preparation field, is also micro pipes
The objective demand of industry development.
The content of the invention
A kind of screw type hard alloy fine milling cutter is prepared based on micro-electrochemical machining technology it is an object of the present invention to design
Device, the device utilizes the advantage of micro-electrochemical machining technology, can accomplish that high accuracy, high efficiency, the preparation screw type of low cost are hard
The fine milling cutter of matter alloy.
The present invention provides the device that a kind of micro-electrochemical machining prepares the fine milling cutter of screw type hard alloy, it is characterised in that bag
Include：Electrolytic bath, processing environment is provided to micro-electrochemical machining；Hollow edged electrode, is fixed by hollow edged electrode fixture, instrument is used as after energization
Electrode is prepared to the fine milling cutter of hard alloy；Hollow edged electrode fixture, for clamping and positioning hollow edged electrode；Screw type hard alloy
Fine milling cutter；Tool mounting, for the mobile and prepared fine milling cutter of clamping, makes cutter reach Working position by control；
Motor one, power is provided for motion platform bottom and top feed；Motor two, is tool mounting powered rotation；There is provided dynamic for compression pump
Power, makes electrolyte be sprayed from hollow edged electrode, and ensures that electrolyte is circulated；Valve, control electrolyte stores in electrolyte
Circulated between case and electrolytic bath, during closing, stop flowing；Electrolytic bath feed tube, makes electrolyte from hollow edged electrode
Spray；Electrolyte storing box, stores electrolyte；Electrolytic bath discharging tube, makes electrolyte flow back to electrolyte storing box；Filter,
Prevent the electrolysate produced during electrolysis from flowing into electrolytic bath with electrolyte；Workbench, plays a supportive role；Leading screw, motor one leads to
Cross it and drive the motion of motion platform bottom and top feed；Motion platform, places motor two and tool mounting thereon.Wherein, hollow edged electrode
It is placed in electrolytic bath, the fine milling cutter of screw type hard alloy is connected by tool mounting with motor two, and electrolyte passes through pressure
Pump provides power and filter, compression pump is sequentially passed through from electrolyte storing box, after electrolytic bath feed tube, from tubulose electricity
Extremely middle ejection enters electrolytic bath, is flowed back to after electrolytic bath discharging tube and valve in electrolyte storing box.
Preferably, the hollow edged electrode is the titanium hollow edged electrode that diameter is less than 400 μm of side insulations；
Preferably, the diameter of the fine milling cutter of the hard alloy is below 1000 μm；
Preferably, described device also include motor one, motor two and motion platform, realize cutter up and down and rotation fortune
It is dynamic；
Preferably, the electrolyte be non-strong acid or alkaline electrolyte, such as sodium nitrate solution, sodium chlorate solution or its mixing
Solution；
Compared with prior art, the invention has the advantages that：
(1) micro-electrochemical machining has good dissolving locality and excellent quality control on the surface ability, therefore highly beneficial
Shaping in the fine milling cutter cutting edge of hard alloy and cutting face；
(2) electric field integrated distribution can be made in pipe electrode using hollow edged electrode during the fine milling cutter electrolytic preparation of hard alloy
Near end face, processing efficiency is effectively improved；
(3) using sodium nitrate solution, sodium chlorate solution or its mixing during the fine milling cutter electrolytic preparation of hard alloy
Solution, dispersion corrosion is smaller, and formed precision is high, with good tool dimension control ability.
Brief description of the drawings
Fig. 1 is the schematic device of the fine milling cutter of hollow edged electrode electrolytic preparation screw type hard alloy；
Fig. 2 is that the electrolyte of the fine milling cutter of hollow edged electrode electrolytic preparation screw type hard alloy flows to schematic diagram；
Fig. 3 is the process principle schematic diagram of the fine milling cutter of hollow edged electrode electrolytic preparation screw type hard alloy.
Embodiment
A kind of utilization micro-electrochemical machining shown in Fig. 1, Fig. 2 prepares the device of the fine milling cutter of screw type hard alloy, and it includes：
Electrolytic bath 1, hollow edged electrode 2, hollow edged electrode fixture 3, the fine milling cutter 4 of screw type hard alloy, tool mounting 5, motor 1,
Leading screw 7, motor 28, electrolytic bath feed tube 9, electrolyte storing box 10, electrolytic bath discharging tube 11, compression pump 12, filter
13, valve 14, motion platform 15, workbench 16.Wherein, electrolytic bath 1 is arranged on workbench 16, and hollow edged electrode 2 is placed in electricity
Solve in liquid bath 1, be clamped using hollow edged electrode fixture 3, hollow edged electrode 2 is connected with electrolytic bath feed tube 9, and screw type is hard
The fine milling cutter 4 of matter alloy is connected by tool mounting 5 with motor 28, and electrolyte provides power by compression pump 12, from tubulose electricity
Spray after processing and enter in electrolytic bath 1 in pole 2, pass sequentially through electrolytic bath discharging tube 11, valve 14 flow back into electrolyte and deposited
In tank 10, and through filter 13, compression pump 12, electrolytic bath feed tube 9 is again introduced into hollow edged electrode 2, circulated.Electricity
Machine 1 is fixed on workbench 16, is connected with leading screw 7, and the control motion platform 15 of leading screw 7 makes the fine milling cutter of screw type hard alloy
4 bottom and top feeds.
When preparing the fine milling cutter of screw type hard alloy, the fine milling cutter 4 of screw type hard alloy first should be put into tool-holder
In tool 5, fix to clamp；According to the size of process tool and requirement, process data is inputted, prepares processing；During processing, by valve 14
Close, start compression pump 12, the electrolyte in electrolyte storing box 10 is passed sequentially through filter 13, compression pump 12, from electrolyte
Enter hollow edged electrode 2 in groove feed tube 9, be then injected into electrolytic bath 1, when liquid level reach a certain height, open the He of motor 1
Motor 28, valve 14, processing starts；Hollow edged electrode 2 is processed to the fine milling cutter of screw type hard alloy 4, and motor 1 is controlled
Speed is to lower feeding on request for cutter processed, and the band cutter speed rotary motion on request of electrode 28 is electrolysed while electrolyte passes through
Liquid bath discharging tube 11 is flowed back in electrolyte storing box 10, so as to be circulated；Electrolyte passes through electrolyte after the completion of preparation
Groove discharging tube 11, valve 14 is flowed back in electrolyte storing box 10, closes power supply, you can remove cutter.
Wherein, following step is specifically included when hollow edged electrode 2 is processed to the fine milling cutter 4 of cutter screw type hard alloy
Suddenly：
Step 1, with geometric properties bus of the hollow edged electrode 2 as cutter, then according to predetermined track relative to cutter
Body generating motion；
Step 2, Opening pressure pump 12, makes the electrolyte in electrolyte storing box 10 pass sequentially through filter 13, compression pump 12,
Enter hollow edged electrode 2 from electrolytic bath feed tube 9, be then injected into electrolytic bath 1, when liquid level reach a certain height, open
Motor 1 and motor 28, valve 14, processing start just；
Step 3, according to processing request, motor 1 drives motion platform 15 by certain speed to lower feeding by leading screw 7,
Motor 28 drives the fine milling cutter 4 of screw type hard alloy to rotate by tool mounting 5 simultaneously；
Step 4, machine, closing presure pump 12 and power supply, electrolyte is all flowed into after electrolyte storing box 10, close
Valve 14, removes cutter.
Above-described is only the implementation example of the present invention, when can not limit the scope implemented of the present invention successively.It is i.e. every
The equivalent changes and modifications made according to scope of the present invention patent, all should still belong in the range of the claims in the present invention cover.
Claims (3)
1. a kind of micro-electrochemical machining prepares the device of the fine milling cutter of screw type hard alloy, it is characterised in that including：Electrolytic bath,
Processing environment is provided to micro-electrochemical machining；Hollow edged electrode, is fixed by hollow edged electrode fixture, as tool-electrode to fine after energization
It is prepared by milling cutter；Hollow edged electrode fixture, for clamping and positioning hollow edged electrode；Fine milling cutter；Tool mounting, it is micro- for moving and clamping
Thin milling cutter, makes fine milling cutter reach Working position by control；Motor one, power is provided for motion platform bottom and top feed；Motor
Two, it is tool mounting powered rotation；Compression pump makes electrolyte be sprayed from hollow edged electrode there is provided power, and ensures electrolysis
Liquid recycle stream is moved；Valve, control electrolyte is circulated between electrolyte storing box and electrolytic bath, during closing, stops stream
It is dynamic；Electrolytic bath feed tube, makes electrolyte be sprayed from hollow edged electrode；Electrolyte storing box, stores electrolyte；Electrolytic bath is arranged
Liquid pipe, makes electrolyte flow back to electrolyte storing box；Filter, prevents the electrolysate produced during electrolysis from flowing into electrolyte to be electrolysed
Liquid bath；Workbench, plays a supportive role；Leading screw, motor one drives motion platform bottom and top feed to move by it；Motion platform, its
Upper placement motor two and tool mounting；Wherein, hollow edged electrode is placed in electrolytic bath, and fine milling cutter passes through tool mounting and motor
Two connections, electrolyte provides power by compression pump and filter, compression pump is sequentially passed through from electrolyte storing box, passes through electrolysis
After liquid bath feed tube, sprayed from hollow edged electrode and enter electrolytic bath, electrolysis is flowed back to after electrolytic bath discharging tube and valve
In liquid storing box；The electrolyte is non-strong acid electrolyte, and the non-strong acid electrolyte uses sodium nitrate solution, sodium chlorate solution
Or both mixed solution.
2. micro-electrochemical machining according to claim 1 prepares the device of the fine milling cutter of screw type hard alloy, it is characterised in that：
The hollow edged electrode is the titanium hollow edged electrode that diameter is less than 400 μm of side insulations.
3. micro-electrochemical machining according to claim 1 prepares the device of the fine milling cutter of screw type hard alloy, it is characterised in that：
The diameter of the fine milling cutter is below 1000 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076003.3A CN103817388B (en) | 2014-03-04 | 2014-03-04 | A kind of device for preparing the fine milling cutter of screw type hard alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076003.3A CN103817388B (en) | 2014-03-04 | 2014-03-04 | A kind of device for preparing the fine milling cutter of screw type hard alloy |
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| CN103817388A CN103817388A (en) | 2014-05-28 |
| CN103817388B true CN103817388B (en) | 2017-07-28 |
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| CN201410076003.3A Expired - Fee Related CN103817388B (en) | 2014-03-04 | 2014-03-04 | A kind of device for preparing the fine milling cutter of screw type hard alloy |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US10022812B2 (en) * | 2014-10-09 | 2018-07-17 | General Electric Company | Methods for the electroerosion machining of high-performance metal alloys |
| CN106808038A (en) * | 2015-12-02 | 2017-06-09 | 财团法人金属工业研究发展中心 | Electrochemical machining apparatus and processing method |
| CN108723530B (en) * | 2018-06-05 | 2019-08-06 | 绍兴市慧融臻合新能源科技有限公司 | A kind of slow wire feeding electric discharge machining apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676257A (en) * | 2004-03-31 | 2005-10-05 | 广东工业大学 | Three-dimension micro-expansion electrolysis processing method and apparatus |
| CN1693024A (en) * | 2004-05-07 | 2005-11-09 | 通用电气公司 | Distributed arc electroerosion |
| CN103170689A (en) * | 2013-04-02 | 2013-06-26 | 山东理工大学 | Device for manufacturing delta type hard alloy micro milling cutter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2040017U (en) * | 1988-09-15 | 1989-06-28 | 清华大学 | Numerical control rotation electric spark processing machine |
| CN2736087Y (en) * | 2004-03-31 | 2005-10-26 | 广东工业大学 | Three dimensional superfine generating electrochemical machining device |
| CN101003100A (en) * | 2007-01-19 | 2007-07-25 | 哈尔滨工业大学 | Electrolytic lathe working method |
| CN101524778A (en) * | 2009-03-10 | 2009-09-09 | 南京航空航天大学 | Slotted electrolytic machining method and slotted tool |
| CN103170690B (en) * | 2013-04-02 | 2015-10-07 | 山东理工大学 | A kind of method preparing the fine milling cutter of Δ type carbide alloy |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676257A (en) * | 2004-03-31 | 2005-10-05 | 广东工业大学 | Three-dimension micro-expansion electrolysis processing method and apparatus |
| CN1693024A (en) * | 2004-05-07 | 2005-11-09 | 通用电气公司 | Distributed arc electroerosion |
| CN103170689A (en) * | 2013-04-02 | 2013-06-26 | 山东理工大学 | Device for manufacturing delta type hard alloy micro milling cutter |
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Granted publication date: 20170728 Termination date: 20180304 |