CN109047961A - Handle class workpiece abnormity hole forming method - Google Patents
Handle class workpiece abnormity hole forming method Download PDFInfo
- Publication number
- CN109047961A CN109047961A CN201811205731.4A CN201811205731A CN109047961A CN 109047961 A CN109047961 A CN 109047961A CN 201811205731 A CN201811205731 A CN 201811205731A CN 109047961 A CN109047961 A CN 109047961A
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- CN
- China
- Prior art keywords
- workpiece
- electrode
- tool
- hole
- interpolar
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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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
-
- 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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- 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
- B23H11/003—Mounting of workpieces, e.g. working-tables
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The present invention relates to a kind of handle class workpiece abnormity hole forming methods, belong to machinery manufacturing technology field.Electrical discharge machining is, using galvano-cautery phenomenon as means, a kind of processing method of workpiece shaping to be made using electrical heat energy removal metal between tool-electrode and piece pole based on pulsed discharge；Electrical spark working working hour, when reaching certain distance between tool-electrode and piece pole of the tool-electrode under automatic control system control close to workpiece, the liquid medium of interpolar is by pulse power breakdown pulsing electric discharge, workpiece is set to be eclipsed out small hole one by one, galvanic corrosion product is drained into except discharging gap by liquid medium, meanwhile by the short intervals time, interpolar is made to restore insulation；This process is constantly so repeated, the type hole with tool-electrode shape kissing can be processed on workpiece.The present invention can be realized handle class workpiece irregularly-shaped hole and quick and precisely process, and guarantee cavity shape and symmetry requirement.
Description
Technical field
The present invention relates to a kind of handle class workpiece abnormity hole forming methods, belong to machinery manufacturing technology field.
Background technique
In many products, there is similar handle workpiece, it is matched with shaft, secure fit is realized therebetween,
It plays an important role in the open and close work of product.Such handle piece is relatively high to irregularly-shaped hole requirement, generally there is symmetry requirement,
Symmetry is not more than 0.1mm.The processing scheme of usual handle piece is: first turn-milling cutting shape bores inner cavity gross porosity, pushes away in expansion processing
Chamber, pincers worker repair file to irregularly-shaped hole.
The processing method of irregularly-shaped hole is mainly turnning and milling drilling roughing at present, pushes away and expands pincers worker semifinishing, pincers worker finishing file
Lumen orifice forming.This processing method low efficiency, high to operator's skill requirement, inner cavity of component shape and symmetry are difficult to protect
Card.
Summary of the invention
The purpose of the present invention is to provide a kind of handle class workpiece abnormity hole forming methods, in order to realize that handle class workpiece is different
Shape hole quick and precisely processes, and guarantees cavity shape and symmetry requirement.
The present invention to achieve the goals above, adopts the following technical scheme that
A kind of handle class workpiece abnormity hole forming method, the method is characterized in that:
Electrical discharge machining, using galvano-cautery phenomenon as means, is utilized between tool-electrode and piece pole based on pulsed discharge
Electrical heat energy removal metal makes a kind of processing method of workpiece shaping；
Electrical spark working working hour, tool-electrode under automatic control system control between tool-electrode and piece pole close to workpiece between
When reaching certain distance, the liquid medium of interpolar is eclipsed out workpiece small one by one by pulse power breakdown pulsing electric discharge
Hole, galvanic corrosion product are drained into except discharging gap by liquid medium, meanwhile, by the short intervals time, interpolar is made to restore insulation；
This process is constantly so repeated, the type hole with tool-electrode shape kissing can be processed on workpiece.
Further, electric spark single loop processing method is processed in work tank, and electrode is sent with speed V to workpiece movement
Into with frequency f vibration, by slot electrode feed flow, workpiece is gradually eclipsed, processing step are as follows:
(a) handle workpiece configurations all process；
(b) first electrode tip is fitted into and is positioned in bushing, with screw-driving, bushing clamping in spark-erosion machine tool spindle chuck
On；
(c) electric spark fixture is laid flat on spark-erosion machine tool table top, after good main-shaft core, is sucked and is fixed on work top；
(d) workpiece is placed in fixture base, work grooves are bonded with boss, are had good positioning in straight pin insertion workpiece fabrication hole
Afterwards, workpiece is fixed with mobile pressing plate, nut；
(e) straight pin is extracted workpiece, electrode tip is put in fabrication hole, the inner cavity of electrode tip gradually galvanic corrosion workpiece, and lathe is automatic
Feed, until processing the internal taper hole of qualified workpiece shapes.
Further, the liquid medium of interpolar is flame retardant oil.
Further, it is electric eliminating pole that interpolar, which restores insulation,.
Beneficial effects of the present invention:
1), the present invention can one-pass molding various surpluses not etc., the workpiece of different, the complex-shaped antarafacial of depth；
2), substitution of the present invention is difficult to the complicated special type face workpiece processed with standard machinery processing method；
3), the present invention realizes the quick positioning and clamping processing of handle class workpiece；
4), the present invention simple, reusable, non-damageable electric spark fixture of designing structure.
5), the present invention simple, reusable electrode head apparatus of designing structure.
6), the present invention improves the processing efficiency of part, reduces the skill requirement to operator.
7) as long as, irregularly-shaped hole replacement electrode tip or positioning convex platform of the present invention, remain to the set electric spark equipment, so that it may process
The shape of different shaped jet holes out.
8), the irregularly-shaped hole (square hole, kidney slot, slot, bellmouth) of the similar workpiece of the present invention, can in this way into
Row.
Detailed description of the invention
Fig. 1 is electrical discharge machining schematic diagram of the invention；
In Fig. 1: 1- tool-electrode；2- automatic control system；3- workpiece；4- liquid medium；The 5- pulse power；
Fig. 2 is sent into schematic diagram to workpiece is mobile with speed for electric discharging machining electrode of the invention；
Fig. 3 is electrical discharge machining inner cavity pattern of the invention；
In Fig. 3: S2- handle workpiece；S3- electrode head apparatus；S4- electric spark fixture；
Fig. 4 is handle workpiece schematic diagram of the invention；
Fig. 5 is electrode tip equipment schematic diagram of the invention；
In Fig. 5: T1- fastening screw；T2- bushing；T3- electrode tip；
Fig. 6 is electric spark fixture schematic diagram of the invention；
In Fig. 6: M1- pedestal；M2- boss；M3- cylinder bolt；M4- bolt；M5- sleeve；M6- moves pressing plate；M7- hexagonal spiral shell
It is female；
Fig. 7 is spark-erosion machine tool schematic diagram of the invention；
In Fig. 7: S5- spark-erosion machine tool.
Specific embodiment
Present invention will now be described in detail with reference to the accompanying drawings.:
A kind of handle class workpiece abnormity hole forming method, this method are as follows:
Electrical discharge machining, using galvano-cautery phenomenon as means, is utilized between tool-electrode and piece pole based on pulsed discharge
Electrical heat energy removal metal makes a kind of processing method (such as Fig. 1) of workpiece shaping；
In electrical spark working working hour, tool-electrode 1 is under the control of automatic control system 2 close to the tool-electrode and piece pole of workpiece 3
Between between when reaching certain distance, the liquid medium 4 of interpolar punctures pulsing electric discharge by the pulse power 5, and workpiece 3 is made to be eclipsed out one
Each and every one small hole, galvanic corrosion product are drained into except discharging gap by liquid medium 4, meanwhile, by the short intervals time, keep interpolar extensive
Multiple insulation；This process is constantly so repeated, the type hole with 1 shape kissing of tool-electrode can be processed on workpiece 3.
Electric spark single loop processing method is processed in work tank, and electrode is sent into speed V to workpiece is mobile, with frequency f
Vibration, by slot electrode feed flow, workpiece is gradually eclipsed (such as Fig. 2), processing step are as follows:
(a) handle workpiece configurations all process；
(b) first electrode tip is fitted into and is positioned in bushing, with screw-driving, bushing clamping in spark-erosion machine tool spindle chuck
On；
(c) electric spark fixture is laid flat on spark-erosion machine tool table top, after good main-shaft core, is sucked and is fixed on work top；
(d) workpiece is placed in fixture base, work grooves are bonded with boss, are had good positioning in straight pin insertion workpiece fabrication hole
Afterwards, workpiece is fixed with mobile pressing plate, nut；
(e) straight pin is extracted workpiece, electrode tip is put in fabrication hole, the inner cavity of electrode tip gradually galvanic corrosion workpiece, and lathe is automatic
Feed, until processing the internal taper hole of qualified workpiece shapes.
The liquid medium of interpolar is flame retardant oil.
It is electric eliminating pole that interpolar, which restores insulation,.
Fig. 3 is electrical discharge machining inner cavity pattern, is made of handle workpiece S2, electrode head apparatus S3, electric spark fixture S4.
Fig. 4 is handle workpiece (shape of taper hole containing inner cavity).
Fig. 5 is electrode head apparatus, is made of fastening screw T1, bushing T2, electrode tip T3.
Fig. 6 is electric spark fixture, by pedestal M1, boss M2, cylinder bolt M3, bolt M4, sleeve M5, mobile pressing plate M6,
Hex nut M7 composition.
Fig. 7 is spark-erosion machine tool S5, and model is F0RM30.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of handle class workpiece abnormity hole forming method, the method is characterized in that:
Electrical discharge machining, using galvano-cautery phenomenon as means, is utilized between tool-electrode and piece pole based on pulsed discharge
Electrical heat energy removal metal makes a kind of processing method of workpiece shaping；
In electrical spark working working hour, tool-electrode (1) is in the case where automatic control system (2) are controlled close to the tool-electrode and work of workpiece (3)
When reaching certain distance between part electrode, the liquid medium (4) of interpolar makes work by the pulse power (5) breakdown pulsing electric discharge
Part (3) is eclipsed out small hole one by one, and galvanic corrosion product is drained into except discharging gap by liquid medium (4), meanwhile, by of short duration
Every the time, interpolar is made to restore insulation；This process is constantly so repeated, can be processed on workpiece (3) and tool-electrode (1)
The type hole of shape kissing.
2. handle class workpiece abnormity hole forming method according to claim 1, it is characterised in that:
Electric spark single loop processing method is processed in work tank, and electrode is sent into speed V to workpiece is mobile, is vibrated with frequency f,
By slot electrode feed flow, workpiece is gradually eclipsed, processing step are as follows:
(a) handle workpiece configurations all process；
(b) first electrode tip is fitted into and is positioned in bushing, with screw-driving, bushing clamping in spark-erosion machine tool spindle chuck
On；
(c) electric spark fixture is laid flat on spark-erosion machine tool table top, after good main-shaft core, is sucked and is fixed on work top；
(d) workpiece is placed in fixture base, work grooves are bonded with boss, are had good positioning in straight pin insertion workpiece fabrication hole
Afterwards, workpiece is fixed with mobile pressing plate, nut；
(e) straight pin is extracted workpiece, electrode tip is put in fabrication hole, the inner cavity of electrode tip gradually galvanic corrosion workpiece, and lathe is automatic
Feed, until processing the internal taper hole of qualified workpiece shapes.
3. handle class workpiece abnormity hole forming method according to claim 1, it is characterised in that: the liquid medium of interpolar is
Flame retardant oil.
4. handle class workpiece abnormity hole forming method according to claim 1, it is characterised in that: interpolar restores insulation to disappear
Electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205731.4A CN109047961A (en) | 2018-10-17 | 2018-10-17 | Handle class workpiece abnormity hole forming method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811205731.4A CN109047961A (en) | 2018-10-17 | 2018-10-17 | Handle class workpiece abnormity hole forming method |
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| Publication Number | Publication Date |
|---|---|
| CN109047961A true CN109047961A (en) | 2018-12-21 |
Family
ID=64765054
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|---|---|---|---|
| CN201811205731.4A Pending CN109047961A (en) | 2018-10-17 | 2018-10-17 | Handle class workpiece abnormity hole forming method |
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| CN (1) | CN109047961A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759658A (en) * | 2019-02-18 | 2019-05-17 | 安徽理工大学 | A kind of processing bending aperture pipe electrode and its bending aperture electric processing method |
| CN109852968A (en) * | 2019-03-04 | 2019-06-07 | 中国兵器工业第五九研究所 | A kind of precipitation equipment and its application method of steel workpiece abnormal shaped female hole surface covering |
| CN110193639A (en) * | 2019-06-21 | 2019-09-03 | 江西洪都航空工业集团有限责任公司 | A kind of upper cover class workpiece angle boss processing unit (plant) and processing method |
| CN112388246A (en) * | 2019-08-13 | 2021-02-23 | 盐城耀强模塑科技有限公司 | Machining method for reducing accumulated deviation |
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| JPH07256521A (en) * | 1994-03-17 | 1995-10-09 | Sakae Denshi Kogyo Kk | Method and apparatus for boring small diameter hole in board |
| CN1850411A (en) * | 2006-04-30 | 2006-10-25 | 南京航空航天大学 | Micro-scale line electrode electrolysis machining method and micro-vibration line electrode system |
| CN104607743A (en) * | 2014-12-09 | 2015-05-13 | 单晓辉 | Electric-spark drilling method |
| CN105171166A (en) * | 2015-10-13 | 2015-12-23 | 哈尔滨理工大学 | Clamping device of tool and workpiece electrodes for electric spark forming machining |
| CN105397219A (en) * | 2016-01-22 | 2016-03-16 | 西南交通大学 | Piercing method for pure tungsten carbide turning insert without hole |
| CN205096664U (en) * | 2015-11-24 | 2016-03-23 | 山东大学（威海） | High gyration precision bulb cylindrical electrode's online preparation trimming device |
| CN206550460U (en) * | 2017-01-13 | 2017-10-13 | 林秀花 | New electric discharge machining apparatus |
-
2018
- 2018-10-17 CN CN201811205731.4A patent/CN109047961A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07256521A (en) * | 1994-03-17 | 1995-10-09 | Sakae Denshi Kogyo Kk | Method and apparatus for boring small diameter hole in board |
| CN1850411A (en) * | 2006-04-30 | 2006-10-25 | 南京航空航天大学 | Micro-scale line electrode electrolysis machining method and micro-vibration line electrode system |
| CN104607743A (en) * | 2014-12-09 | 2015-05-13 | 单晓辉 | Electric-spark drilling method |
| CN105171166A (en) * | 2015-10-13 | 2015-12-23 | 哈尔滨理工大学 | Clamping device of tool and workpiece electrodes for electric spark forming machining |
| CN205096664U (en) * | 2015-11-24 | 2016-03-23 | 山东大学（威海） | High gyration precision bulb cylindrical electrode's online preparation trimming device |
| CN105397219A (en) * | 2016-01-22 | 2016-03-16 | 西南交通大学 | Piercing method for pure tungsten carbide turning insert without hole |
| CN206550460U (en) * | 2017-01-13 | 2017-10-13 | 林秀花 | New electric discharge machining apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759658A (en) * | 2019-02-18 | 2019-05-17 | 安徽理工大学 | A kind of processing bending aperture pipe electrode and its bending aperture electric processing method |
| CN109852968A (en) * | 2019-03-04 | 2019-06-07 | 中国兵器工业第五九研究所 | A kind of precipitation equipment and its application method of steel workpiece abnormal shaped female hole surface covering |
| CN110193639A (en) * | 2019-06-21 | 2019-09-03 | 江西洪都航空工业集团有限责任公司 | A kind of upper cover class workpiece angle boss processing unit (plant) and processing method |
| CN112388246A (en) * | 2019-08-13 | 2021-02-23 | 盐城耀强模塑科技有限公司 | Machining method for reducing accumulated deviation |
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Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |