CN109014468A - A kind of electrical discharge machining stationarity monitoring system and monitoring method - Google Patents
A kind of electrical discharge machining stationarity monitoring system and monitoring method Download PDFInfo
- Publication number
- CN109014468A CN109014468A CN201810499440.4A CN201810499440A CN109014468A CN 109014468 A CN109014468 A CN 109014468A CN 201810499440 A CN201810499440 A CN 201810499440A CN 109014468 A CN109014468 A CN 109014468A
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- China
- Prior art keywords
- dial gauge
- briquetting
- main shaft
- discharge machining
- gauge
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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
- 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
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a kind of electrical discharge machining stationarity monitoring system and monitoring methods, including spindle drum and main shaft, electrode is installed below the main shaft, the electrode is arranged right below workbench, workpiece is equipped in the workbench, the main shaft front is connected with dial gauge briquetting by magnetic abaculus, the lower section of the dial gauge briquetting is equipped with dial gauge, the dial gauge is fixedly connected by dial indicator bracket with spindle drum, one end of dial gauge briquetting bracket is also fixedly connected on the spindle drum, the other end of the dial gauge briquetting bracket, which is equipped with, accommodates the through-hole that dial gauge briquetting passes through.A kind of electrical discharge machining stationarity monitoring system of the invention and monitoring method, are combined by dial gauge briquetting with dial gauge, while by the way of magnetism connection, effectively the stationarity in edm process can be monitored, clever structure, simple, easy to use, detection is intuitive.
Description
Technical field
The invention belongs to spark-erosion machine tool monitoring technical fields, and in particular to a kind of electrical discharge machining stationarity monitoring system
And monitoring method.
Background technique
EDM shaping machine main shaft moves up and down at work.Move down is to make electrode downwards close to processed
Part makes work piece melt away a part to generate arc discharge, and moving upwards is to concede space, keeps the slag being melt away logical
Washing away for cutting fluid is crossed, slag is exhausted.The stability moved downward is the key that machine tooling quality.If main shaft moves downward
It is unstable, the roughness of machining accuracy and finished surface certainly will be influenced.
Summary of the invention
Goal of the invention: the purpose of the present invention is to solve deficiencies in the prior art, and it is flat to provide a kind of electrical discharge machining
Stability monitors system and monitoring method, is combined by dial gauge briquetting with dial gauge, while by the way of magnetism connection, can
Effectively the stationarity in edm process is monitored, clever structure, simple, easy to use, detection is intuitive.
Technical solution: a kind of electrical discharge machining stationarity monitoring system of the present invention, including spindle drum and main shaft, institute
It states and electrode is installed below main shaft, the electrode is arranged right below workbench, is equipped with workpiece in the workbench, the main shaft is just
Face is connected with dial gauge briquetting by magnetic abaculus magnetism, and the lower section of the dial gauge briquetting is equipped with dial gauge, the dial gauge
It is fixedly connected by dial indicator bracket with spindle drum, one end of dial gauge briquetting bracket is also fixedly connected on the spindle drum,
The other end of the dial gauge briquetting bracket, which is equipped with, accommodates the through-hole that dial gauge briquetting passes through.
Further, the dial gauge briquetting uses T-shape structure, and extension passes through through-hole, dial gauge briquetting side
Embedded magnetism abaculus, is not only connected with each other between main shaft, but also being capable of opposite sliding.
Further, the gauge head of the extension lower end surface of the dial gauge briquetting and dial gauge connects.
Further, one end of the dial indicator bracket is fixed by screw and spindle drum, the other end of dial indicator bracket
It is fixedly connected by bolt, nut with dial gauge.
Further, one end of the dial gauge briquetting bracket is fixedly connected by screw with spindle drum.
Further, the width of the through-hole is greater than the thickness of dial gauge briquetting extension.
The invention also discloses a kind of above-mentioned monitoring methods of electrical discharge machining stationarity monitoring system, including walk as follows
It is rapid:
(1) main shaft, which moves down, makes electrode close to workpiece, and main shaft moves down together with the dial gauge briquetting on main shaft, while dial gauge briquetting
Press down the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(2) main shaft continues to move down, and spindle drives and workpiece carry out electro-discharge machining, and dial gauge briquetting is blocked by through-hole not to be moved down；This
If when the motionless expression electro-discharge machining of percentage list index it is normal, it is unstable if the shaking of percentage list index indicates that electro-discharge machining is unstable
The size that can be quantitatively shaken by percentage list index is observed；
(3) main shaft rollback deslagging, main shaft and dial gauge briquetting move up together；
(4) main shaft is moved down again close to workpiece, and main shaft moves down together with the dial gauge briquetting on main shaft, while dial gauge briquetting is past
Push the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(5) spindle drives and workpiece are contacted again carry out electro-discharge machining, and main shaft continues to move down, and dial gauge briquetting is blocked not by through-hole
It moves down；If the motionless expression electro-discharge machining of percentage list index is normal at this time, if percentage list index, which shakes, seriously indicates electro-discharge machining
It is unstable；
(6) main shaft rollback deslagging, main shaft and dial gauge briquetting move up together.
The utility model has the advantages that a kind of electrical discharge machining stationarity monitoring system of the invention and monitoring method, pass through percentage gauge pressure
Block is combined with dial gauge, while by the way of magnetism connection, can effectively be carried out to the stationarity in edm process
Monitoring, clever structure, simple, easy to use, detection is intuitive.
Detailed description of the invention
Fig. 1 is monitoring overall system architecture schematic diagram of the invention；
Fig. 2 is dial gauge briquetting and dial gauge briquetting rack mounting structure schematic diagram in Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is dial gauge mounting structure schematic diagram in Fig. 1；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is one structural schematic diagram of monitoring method process of the present invention；
Fig. 7 is two structural schematic diagram of monitoring method process of the present invention；
Fig. 8 is three structural schematic diagram of monitoring method process of the present invention；
Fig. 9 is four structural schematic diagram of monitoring method process of the present invention；
Figure 10 is five structural schematic diagram of monitoring method process of the present invention；
Figure 11 is normal condition indicator schematic diagram in edm process of the present invention；
Figure 12 is unstable state indicator schematic diagram in edm process of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail combined with specific embodiments below.
It is described if Fig. 1 is to a kind of electrical discharge machining stationarity monitoring system shown in fig. 5, including spindle drum 1 and main shaft 2
Electrode 3 is installed, the electrode 3 is arranged right below workbench 5, is equipped with workpiece 4, the master in the workbench 5 below main shaft 2
2 front of axis is connected with dial gauge briquetting 7 by magnetic 6 magnetism of abaculus, and the lower section of the dial gauge briquetting 7 is equipped with dial gauge 9, institute
It states dial gauge 9 to be fixedly connected by dial indicator bracket 12 with spindle drum 1, is also fixedly connected with percentage gauge pressure on the spindle drum 1
One end of block bracket 8, the other end of the dial gauge briquetting bracket 8, which is equipped with, accommodates the through-hole 10 that dial gauge briquetting 7 passes through.
As advanced optimizing for the present embodiment:
Preferably, the dial gauge briquetting 7 uses T-shape structure, is fixedly connected including extension and with magnetic abaculus 6
Part, the embedded magnetic abaculus 6 in 7 side of dial gauge briquetting, had not only been connected with each other between main shaft 2, but also being capable of opposite sliding.Wherein stretch
Through-hole 10 is partially passed through out, and through-hole 10 plays the role of limiting dial gauge briquetting 7 using movement.When installation, dial gauge briquetting 7 is stretched
The lower edge of part is in contact with the lower edge of through-hole on dial gauge briquetting bracket 8 out.
Preferably, the gauge head of the extension lower end surface of the dial gauge briquetting 7 and dial gauge 9 connects, for examining
Survey the stability of main shaft.
Preferably, one end of the dial indicator bracket 12 is fixed by screw 11 and spindle drum 1, dial indicator bracket 12 it is another
One end is fixedly connected by bolt 13, nut 14 with dial gauge 9, to increase the accuracy of centimeter check.
Preferably, one end of the dial gauge briquetting bracket 8 is fixedly connected by screw 11 with spindle drum 1, guarantees percentage
The stability of gauge pressure block bracket 8, to increase the accuracy of centimeter check.
Preferably, the width of the through-hole 10 be greater than 7 extension of dial gauge briquetting thickness, wherein the stroke differed with
Main shaft descending stroke is consistent.
In conjunction with attached drawing 6 to attached drawing 10, a kind of above-mentioned monitoring method of electrical discharge machining stationarity monitoring system, including it is as follows
Step:
(1) make electrode close to workpiece as shown in fig. 6, main shaft moves down, main shaft moves down together with the dial gauge briquetting on main shaft, simultaneously
Dial gauge briquetting presses down the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(2) as shown in fig. 7, main shaft continues to move down, spindle drives and workpiece carry out electro-discharge machining, and dial gauge briquetting is blocked by through-hole
It does not move down；If the motionless expression electro-discharge machining of percentage list index is normal at this time, if the shaking of percentage list index indicates electro-discharge machining not
Stablize, the size that Instable value can be shaken by percentage list index is observed；
(3) as shown in figure 8, main shaft rollback deslagging, main shaft and dial gauge briquetting move up together；
(4) as shown in figure 9, main shaft is moved down again close to workpiece, main shaft moves down together with the dial gauge briquetting on main shaft, while hundred
Point gauge pressure block presses down the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(5) as shown in Figure 10, spindle drives and workpiece are contacted again carry out electro-discharge machining, and main shaft continues to move down, dial gauge briquetting
It is blocked by through-hole and is not moved down；If the motionless expression electro-discharge machining of percentage list index is normal (as shown in figure 11) at this time, if dial gauge refers to
Needle shaking seriously then indicates that electro-discharge machining is unstable (as shown in figure 12)；
(6) main shaft rollback deslagging, main shaft and dial gauge briquetting move up together, repeat step (1) and are monitored to step (6).
The principle of monitoring of the invention is to push dial gauge by dial gauge briquetting to carry out, and press through under dial gauge briquetting
Journey include with one piece of main shaft move down and main shaft moves down but dial gauge briquetting does not move down two control processes, dial gauge briquetting with
The indicator of one piece of main shaft dial gauge when moving down has the process of a swing；And main shaft moves down but dial gauge briquetting is not when moving down
(i.e. electrical discharge machining state) is both monitoring state, at this time can be by checking whether dial gauge indicator swings judgement discharge process
It is whether stable.
A kind of electrical discharge machining stationarity monitoring system of the invention and monitoring method, pass through dial gauge briquetting and dial gauge
It combines, while by the way of magnetism connection, effectively the stationarity in edm process can be monitored, structure is skilful
Wonderful, simple, easy to use, detection is intuitive.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (7)
1. a kind of electrical discharge machining stationarity monitors system, including spindle drum (1) and main shaft (2), installation below the main shaft (2)
Have electrode (3), the electrode (3) is arranged right below workbench (5), is equipped with workpiece (4) in the workbench (5), feature exists
In: main shaft (2) front is connected with dial gauge briquetting (7) by magnetic abaculus (6) magnetism, the dial gauge briquetting (7)
Lower section is equipped with dial gauge (9), and the dial gauge (9) is fixedly connected by dial indicator bracket (12) with spindle drum (1), the main shaft
One end of dial gauge briquetting bracket (8) is also fixedly connected on seat (1), the other end of the dial gauge briquetting bracket (8) is equipped with
Accommodate the through-hole (10) that dial gauge briquetting (7) pass through.
2. a kind of electrical discharge machining stationarity according to claim 1 monitors system, it is characterised in that: the percentage gauge pressure
Block (7) uses T-shape structure, and extension passes through through-hole (10), the embedded magnetic abaculus (6) in dial gauge briquetting (7) side, with master
Axis was not only connected with each other between (2), but also being capable of opposite sliding.
3. a kind of electrical discharge machining stationarity according to claim 1 monitors system, it is characterised in that: the percentage gauge pressure
The extension lower end surface of block (7) and the gauge head of dial gauge (9) connect.
4. a kind of electrical discharge machining stationarity according to claim 1 monitors system, it is characterised in that: the dial gauge branch
One end of frame (12) is fixed by screw (11) and spindle drum (1), and the other end of dial indicator bracket (12) passes through bolt (13), spiral shell
Female (14) are fixedly connected with dial gauge (9).
5. a kind of electrical discharge machining stationarity according to claim 1 monitors system, it is characterised in that: the percentage gauge pressure
One end of block bracket (8) is fixedly connected by screw (11) with spindle drum (1).
6. a kind of electrical discharge machining stationarity according to claim 1 monitors system, it is characterised in that: the through-hole (10)
Width be greater than dial gauge briquetting (7) extension thickness.
7. a kind of monitoring method of electrical discharge machining stationarity monitoring system described in -6 any one according to claim 1,
It is characterized in that: including the following steps:
(1) main shaft, which moves down, makes electrode close to workpiece, and main shaft moves down together with the dial gauge briquetting on main shaft, while dial gauge briquetting
Press down the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(2) main shaft continues to move down, and spindle drives and workpiece carry out electro-discharge machining, and dial gauge briquetting is blocked by through-hole not to be moved down；This
If when the motionless expression electro-discharge machining of percentage list index it is normal, it is unstable if the shaking of percentage list index indicates that electro-discharge machining is unstable
The size that can be quantitatively shaken by percentage list index is observed；
(3) main shaft rollback deslagging, main shaft and dial gauge briquetting move up together；
(4) main shaft is moved down again close to workpiece, and main shaft moves down together with the dial gauge briquetting on main shaft, while dial gauge briquetting is past
Push the gauge head of dial gauge, the rotation of dial gauge finger clockwise；
(5) spindle drives and workpiece are contacted again carry out electro-discharge machining, and main shaft continues to move down, and dial gauge briquetting is blocked not by through-hole
It moves down；If the motionless expression electro-discharge machining of percentage list index is normal at this time, if percentage list index, which shakes, seriously indicates electro-discharge machining
It is unstable；
(6) main shaft rollback deslagging, main shaft and dial gauge briquetting move up together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499440.4A CN109014468A (en) | 2018-05-23 | 2018-05-23 | A kind of electrical discharge machining stationarity monitoring system and monitoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810499440.4A CN109014468A (en) | 2018-05-23 | 2018-05-23 | A kind of electrical discharge machining stationarity monitoring system and monitoring method |
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| Publication Number | Publication Date |
|---|---|
| CN109014468A true CN109014468A (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810499440.4A Pending CN109014468A (en) | 2018-05-23 | 2018-05-23 | A kind of electrical discharge machining stationarity monitoring system and monitoring method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543693A (en) * | 2013-10-31 | 2014-01-29 | 常州工学院 | Device and method for measuring abrasion loss of cathode in real time |
| CN203621679U (en) * | 2013-11-29 | 2014-06-04 | 厦门升正机械有限公司 | Electric discharge machine automatic deepening-proof device used for tyre mould processing |
| CN105290880A (en) * | 2015-11-27 | 2016-02-03 | 东方电气集团东方汽轮机有限公司 | Device and method for detecting perpendicularity of axis of spindle and reference axis in movement |
| JP2016144832A (en) * | 2015-02-06 | 2016-08-12 | 株式会社エレニックス | Fine hole discharge processing method and apparatus |
| CN106077851A (en) * | 2016-06-21 | 2016-11-09 | 江苏工程职业技术学院 | A kind of spark machine dial indicator holder monitoring system |
-
2018
- 2018-05-23 CN CN201810499440.4A patent/CN109014468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543693A (en) * | 2013-10-31 | 2014-01-29 | 常州工学院 | Device and method for measuring abrasion loss of cathode in real time |
| CN203621679U (en) * | 2013-11-29 | 2014-06-04 | 厦门升正机械有限公司 | Electric discharge machine automatic deepening-proof device used for tyre mould processing |
| JP2016144832A (en) * | 2015-02-06 | 2016-08-12 | 株式会社エレニックス | Fine hole discharge processing method and apparatus |
| CN105290880A (en) * | 2015-11-27 | 2016-02-03 | 东方电气集团东方汽轮机有限公司 | Device and method for detecting perpendicularity of axis of spindle and reference axis in movement |
| CN106077851A (en) * | 2016-06-21 | 2016-11-09 | 江苏工程职业技术学院 | A kind of spark machine dial indicator holder monitoring system |
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Application publication date: 20181218 |