CN100335219C - Crawling type superfine electric spark machining equipment - Google Patents
Crawling type superfine electric spark machining equipment Download PDFInfo
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- CN100335219C CN100335219C CNB2005100259445A CN200510025944A CN100335219C CN 100335219 C CN100335219 C CN 100335219C CN B2005100259445 A CNB2005100259445 A CN B2005100259445A CN 200510025944 A CN200510025944 A CN 200510025944A CN 100335219 C CN100335219 C CN 100335219C
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- flexible hinge
- sleeve
- piezoelectric ceramics
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- hinge spacer
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Abstract
The present invention relates to a crawling superfine electric spark processing device which belongs to the technical field of mechanical engineering. The present invention comprises first annular piezoelectric ceramics, second annular piezoelectric ceramics, third annular piezoelectric ceramics, a first flexible hinge micro-holder, a second flexible hinge micro-holder, a first wedge-shaped circular ring, a second wedge-shaped circular ring, a first flexible hinge positioning sheet, a second flexible hinge positioning sheet, a third flexible hinge positioning sheet, a fourth flexible hinge positioning sheet, a first spring, a second spring, a first sleeve barrel, a second sleeve barrel, a first baffle plate, a second baffle plate, a third baffle plate, a fourth baffle plate and an electrode, wherein the first flexible hinge positioning sheet, the second flexible hinge positioning sheet, the first annular piezoelectric ceramics and the first wedge-shaped circular ring are pressed on the first spring by the second baffle plate. The present invention not only can conveniently and flexibly change positions of an entire device so as to process in all directions and with multiple angles, but also can hold the electrode effectively. The present invention has higher response speed.
Description
Technical field
What the present invention relates to is a kind of device that is used for the spark erosion technique field, and particularly a kind of crawling type superfine electric spark machining equipment belongs to mechanical engineering technical field.
Background technology
Galvano-cautery phenomenon when spark machined is based on pulse feature spark discharge between instrument and the workpiece is come the unnecessary metal of ablation, to reach the predetermined processing request of size, shape and surface quality to part.It can be realized being close to unstressed processing with the harder workpiece of softer tool processes, thereby has obtained using widely in mechanical engineering field.The fine electric spark process technology just is being based on above advantage has become one of focus of being paid close attention in domestic and international fine manufacturing field, and unique technique advantage and wide application prospect are arranged.At home, existing how tame scientific research institution has carried out the research to fine electric spark processing, Tsing-Hua University, Harbin Institute of Technology, Nanjing Aero-Space University all once developed miniature electric discharge machining apparatus, and its feeding mode has impact type, creeping motion type, electromagnetic type and ultrasonic motor formula etc. multiple.The feature of crawling type superfine electric spark machining equipment mainly is: the progression during the imitation inchworm motion, adopt two blocks of piezoelectric ceramics respectively electrode to be clamped and loosen, utilize the electrode after the 3rd Piezoelectric Ceramic clamps to carry out feed motion then, thereby realize spark machined workpiece.
Find by prior art documents, people such as Feng Xiaoguang mention microminiature electrode creep feed processing unit (plant) at " application of microminiature electrode creep feed in spark machined " (1998 the 9th the 8th phases of volume of Chinese mechanical engineering) literary composition, this device adopts double-deck elasticity parallel-plate as the moving sets of mechanism and adopt overall structure, can realize not having gap and no frictional drive.Adopt the driving element of piezoelectric ceramics as the electrode micro-feed mechanism, resolution ratio is higher.Adopt leverage that the displacement of piezoelectric ceramics is amplified, cooperate V-shaped groove that micro-electrode is carried out clamping simultaneously.The weak point of this device is that the design of mechanism also is not very desirable, be difficult for to realize the processing of comprehensive multi-angle, and electrode can't highly effective clamping in addition, and response speed neither be very desirable.
Summary of the invention
The objective of the invention is to overcome the deficiency in the above technology, a kind of crawling type superfine electric spark machining equipment is provided, thereby make it realize comprehensive multi-angle processing in position of the whole device of conversion easily and flexibly, can carry out effective clamping to electrode again, have than high response speed.
The present invention is achieved by the following technical solutions, the present invention includes: the first annular piezoelectric ceramics, the second annular piezoelectric ceramics, the 3rd annular piezoelectric ceramics, the first flexible hinge micro clamping device, the second flexible hinge micro clamping device, the first wedge annulus, the second wedge annulus, the first flexible hinge spacer, the second flexible hinge spacer, the 3rd flexible hinge spacer, the 4th flexible hinge spacer, first spring, second spring, first sleeve, second sleeve, first baffle plate, second baffle, the 3rd baffle plate, the 4th baffle plate, electrode, second baffle is with the first flexible hinge spacer, the second flexible hinge spacer, the first annular piezoelectric ceramics and the first wedge annulus are pressed on first spring, the 3rd baffle plate is with the second annular piezoelectric ceramics, the 3rd flexible hinge spacer, the 4th flexible hinge spacer, the 3rd annular piezoelectric ceramics and the second wedge annulus are pressed on second spring, first baffle plate is connected with first sleeve by axial bolt with second baffle, the 3rd baffle plate is connected with second sleeve by axial bolt with the 4th baffle plate, electrode is by the first flexible hinge micro clamping device, the second flexible hinge micro clamping device clamping and positioning, the first wedge annulus cooperates with first sleeve lining, the second wedge annulus cooperates with second sleeve lining, the first flexible hinge micro clamping device closely contacts with the wedge face of the first wedge annulus, the second flexible hinge micro clamping device closely contacts with the wedge face of the second wedge annulus, is connected with the 3rd baffle plate by second baffle between first sleeve and second sleeve.
The described first flexible hinge spacer and the second flexible hinge spacer cooperate with first sleeve lining.
The described first flexible hinge spacer, the second flexible hinge spacer, the 3rd flexible hinge spacer and the 4th flexible hinge spacer are circular ring plate, and have rectangular channel on the circular ring plate end face, in order to the flexible hinge micro clamping device is fixed.
Described first flexible hinge micro clamping device leg part cooperates with rectangular channel on the first flexible hinge spacer and the second flexible hinge spacer end face.
Rectangular channel in the most advanced and sophisticated retaining part of the described first flexible hinge micro clamping device and first sleeve cooperates.
Described the 3rd flexible hinge spacer and the 4th flexible hinge spacer cooperate with second sleeve lining.
Be provided with the first flexible hinge spacer, the second flexible hinge spacer, the first annular piezoelectric ceramics, the first wedge annulus and first spring in described first sleeve, be provided with rectangular channel in first sleeve.
Be provided with the second annular piezoelectric ceramics, the 3rd flexible hinge spacer, the 4th flexible hinge spacer, the 3rd annular piezoelectric ceramics, the second wedge annulus and second spring in second sleeve.Be provided with rectangular channel in second sleeve.
Second flexible hinge micro clamping device leg part cooperates with rectangular channel on the 3rd flexible hinge spacer and the 4th flexible hinge spacer end face.
Rectangular channel in the most advanced and sophisticated retaining part of the second flexible hinge micro clamping device and second sleeve cooperates.
The first wedge annulus can endwisely slip along first sleeve lining.First flexible hinge micro clamping device leg part cooperates a fixation with groove on the first flexible hinge spacer and the second flexible hinge spacer end face.Rectangular channel in the most advanced and sophisticated retaining part of the first flexible hinge micro clamping device and first sleeve cooperates, and plays a supportive role.During work, the 3rd annular piezoelectric ceramics in second sleeve is at first switched on, produce the axial elongation displacement, wedge face effect by the second wedge annulus impels the most advanced and sophisticated retaining part of the second flexible hinge micro clamping device to close up, the second flexible hinge micro clamping device will add certain pretightning force when assembling, make its most advanced and sophisticated retaining part produce certain deformation, the most advanced and sophisticated retaining part that can guarantee the second flexible hinge micro clamping device under the small axial displacement of annular piezoelectric ceramics so still can produce accurate distortion, clamping electrode can pass through the 3rd flexible hinge spacer when mounted, the acting in conjunction of the 4th flexible hinge spacer and the second wedge annulus adds certain pretightning force on the second flexible hinge micro clamping device.Second annular piezoelectric ceramics energising then, produce the axial elongation displacement, other part that promotes in second sleeve moves right along the inwall of second sleeve, because electrode is clamped by the second flexible hinge micro clamping device, so electrode also moves right simultaneously, thereby realize feed motion.After the second annular piezoelectric ceramics arrives the displacement maximum, first annular piezoelectric ceramics energising in first sleeve, produce the axial elongation displacement, effect by the first wedge annulus impels the most advanced and sophisticated retaining part of the first flexible hinge micro clamping device to close up, clamping electrode, keep the existing position of electrode, the outage of the 3rd annular piezoelectric ceramics in second sleeve then, produce axial shrinkage, the most advanced and sophisticated retaining part of the second flexible hinge micro clamping device unclamps, and then the second annular piezoelectric ceramics outage in second sleeve produces axial shrinkage, all parts in second sleeve to left movement, are got back to the position when initial under the effect of second spring.Then the 3rd annular piezoelectric ceramics in second sleeve is switched on once more, the second flexible hinge micro clamping device clamping electrode, first annular piezoelectric ceramics outage in first sleeve, the first flexible hinge micro clamping device unclamps electrode, get back to the origin-location, second annular piezoelectric ceramics energising then produces the axial elongation displacement, other part that promotes once more in second sleeve moves right, and finishes another electrode feed motion.So repeatedly, can realize the fine electric spark processing of creeping motion type.
Flexible hinge micro clamping device among the present invention is in order to direct holding electrode.The annular piezoelectric ceramics uses as driver, and bigger driving force and higher displacement resolution can be provided, and is used for driving feed motion, also is used for driving the flexible hinge micro clamping device electrode is carried out clamping.The wedge annulus on the one hand is converted into the most advanced and sophisticated retaining part displacement of flexible hinge micro clamping device as intermediary with the axial displacement of piezoelectric ceramics, on the one hand in order to transmit the return force that spring (or flexible hinge) flows to feeding piezoelectric ceramics end of travel.The form of spring can be selected flexibly, also can replace with flexible hinge, as long as thereby having enough rigidity can offer the enough return forces of feeding piezoelectric ceramics.The first flexible hinge spacer and the second flexible hinge spacer are in order to position the flexible hinge micro clamping device.First sleeve and the inner end near the most advanced and sophisticated retaining part of flexible hinge micro clamping device of the second cover letter have rectangular channel, the rectangular channel height matches with the height of flexible hinge micro clamping device, in order to realize support, can satisfy the processing of comprehensive multi-angle simultaneously to the most advanced and sophisticated retaining part of flexible hinge micro clamping device.Baffle plate is mainly used to the parts in fixing and the clamp sleeve, can utilize screw to be connected with sleeve.Can add axial bolt with seam between first sleeve and second sleeve connects.
The present invention has adopted tubular structure and symmetrical structure generally, can also place any orientation and angle to process in whole device around any anglec of rotation in pipe axis.Adopted incorporate flexible hinge micro clamping device simultaneously, by the power of wedge annulus transmission piezoelectric ceramics, compact conformation is reliable, is convenient to make, and response speed and precision are higher, and can carry out more effectively accurately clamping and location to electrode.Owing to have above main feature, the present invention can realize processing from arbitrary orientation is arbitrarily angled easily, for example this device can be contained in to carry out arbitrary orientation fine electric spark processing at any angle on the robot arm.Perhaps can with a plurality of devices side by side or array place and process a plurality of workpiece simultaneously, have higher utility.
Description of drawings
Fig. 1 is a structural representation of the present invention
The specific embodiment
As shown in Figure 1, the present invention includes: the first annular piezoelectric ceramics 1, the second annular piezoelectric ceramics 2, the 3rd annular piezoelectric ceramics 3, the first flexible hinge micro clamping device 4, the second flexible hinge micro clamping device 5, the first wedge annulus 6, the second wedge annulus 7, the first flexible hinge spacer 8, the second flexible hinge spacer 9, the 3rd flexible hinge spacer 10, the 4th flexible hinge spacer 11, first spring 12, second spring 13, first sleeve 14, second sleeve 15, first baffle plate 16, second baffle 17, the 3rd baffle plate 18, the 4th baffle plate 19, electrode 20, second baffle 17 is with the first flexible hinge spacer 8, the second flexible hinge spacer 9, the first annular piezoelectric ceramics 1 and the first wedge annulus 6 are pressed on first spring 12, the 3rd baffle plate 18 is with the second annular piezoelectric ceramics 2, the 3rd flexible hinge spacer 10, the 4th flexible hinge spacer 11, the 3rd annular piezoelectric ceramics 3 and the second wedge annulus 7 are pressed on second spring 13, first baffle plate 16 is connected with first sleeve 14 by axial bolt with second baffle 17, the 3rd baffle plate 18 is connected with second sleeve 15 by axial bolt with the 4th baffle plate 19, electrode 20 is by the first flexible hinge micro clamping device 4, the second flexible hinge micro clamping device, 5 clamping and positioning, the first wedge annulus 6 cooperates with first sleeve, 14 inwalls, the second wedge annulus 7 cooperates with second sleeve, 15 inwalls, the first flexible hinge micro clamping device 4 closely contacts with the wedge face of the first wedge annulus 6, the second flexible hinge micro clamping device 5 closely contacts with the wedge face of the second wedge annulus 7, is connected with the 3rd baffle plate 18 by second baffle 17 between first sleeve 14 and the second cover letter 15.
The described first flexible hinge spacer 8 and the second flexible hinge spacer 9 cooperate with first sleeve, 14 inwalls.
The described first flexible hinge spacer 8, the second flexible hinge spacer 9, the 3rd flexible hinge spacer 10 and the 4th flexible hinge spacer 11 are circular ring plate, and on the circular ring plate end face, have rectangular channel, in order to the flexible hinge micro clamping device is fixed.
The described first flexible hinge micro clamping device, 4 legs part cooperates with rectangular channel on the first flexible hinge spacer 8 and the second flexible hinge spacer, 9 end faces.
The most advanced and sophisticated retaining part of the described first flexible hinge micro clamping device 4 cooperates with rectangular channel in first sleeve 14.
Described the 3rd flexible hinge spacer 10 and the 4th flexible hinge spacer 11 cooperate with second sleeve, 15 inwalls.
Be provided with in described first sleeve 14 in the first flexible hinge spacer 8, the second flexible hinge spacer 9, the first annular piezoelectric ceramics 1, the first wedge annulus 6 and first spring, 12, the first sleeves 14 and be provided with rectangular channel.
Be provided with the second annular piezoelectric ceramics 2, the 3rd flexible hinge spacer 10, the 4th flexible hinge spacer 11, the 3rd annular piezoelectric ceramics 3, the second wedge annulus 7 and second spring 13 in second sleeve 15.Be provided with rectangular channel in second sleeve 15.
The second flexible hinge micro clamping device, 5 legs parts cooperates with rectangular channel on the 3rd flexible hinge spacer 10 and the 4th flexible hinge spacer 11 end faces.
The most advanced and sophisticated retaining part of the second flexible hinge micro clamping device 5 cooperates with rectangular channel in second sleeve 15.
Claims (6)
1. crawling type superfine electric spark machining equipment, comprise: the first annular piezoelectric ceramics (1), the second annular piezoelectric ceramics (2), the 3rd annular piezoelectric ceramics (3), first spring (12), second spring (13), first baffle plate (16), second baffle (17), the 3rd baffle plate (18), the 4th baffle plate (19), electrode (20), it is characterized in that, also comprise: the first flexible hinge micro clamping device (4), the second flexible hinge micro clamping device (5), the first wedge annulus (6), the second wedge annulus (7), the first flexible hinge spacer (8), the second flexible hinge spacer (9), the 3rd flexible hinge spacer (10), the 4th flexible hinge spacer (11), first sleeve (14), second sleeve (15), second baffle (17) is with the first flexible hinge spacer (8), the second flexible hinge spacer (9), the first annular piezoelectric ceramics (1) and the first wedge annulus (6) are pressed on first spring (12), the 3rd baffle plate (18) is with the second annular piezoelectric ceramics (2), the 3rd flexible hinge spacer (10), the 4th flexible hinge spacer (11), the 3rd annular piezoelectric ceramics (3) and the second wedge annulus (7) are pressed on second spring (13), first baffle plate (16) is connected with first sleeve (14) by axial bolt with second baffle (17), the 3rd baffle plate (18) is connected with second sleeve (15) by axial bolt with the 4th baffle plate (19), electrode (20) is by the first flexible hinge micro clamping device (4), second flexible hinge micro clamping device (5) clamping and positioning, the first wedge annulus (6) cooperates with first sleeve (14) inwall, the second wedge annulus (7) cooperates with second sleeve (15) inwall, the first flexible hinge micro clamping device (4) closely contacts with the wedge face of the first wedge annulus (6), the second flexible hinge micro clamping device (5) closely contacts with the wedge face of the second wedge annulus (7), is connected with the 3rd baffle plate (18) by second baffle (17) between first sleeve (14) and second sleeve (15);
The described first flexible hinge spacer (8) and the second flexible hinge spacer (9) cooperate with first sleeve (14) inwall; Described the 3rd flexible hinge spacer (10) and the 4th flexible hinge spacer (11) cooperate with second sleeve (15) inwall; Be provided with the first flexible hinge spacer (8), the second flexible hinge spacer (9), the first annular piezoelectric ceramics (1), the first wedge annulus (6) and first spring (12) in described first sleeve (14), first sleeve is provided with rectangular channel in (14); Be provided with the second annular piezoelectric ceramics (2), the 3rd flexible hinge spacer (10), the 4th flexible hinge spacer (11), the 3rd annular piezoelectric ceramics (3), the second wedge annulus (7) and second spring (13) in described second sleeve (15), first sleeve is provided with rectangular channel in (15).
2. crawling type superfine electric spark machining equipment according to claim 1, it is characterized in that, the described first flexible hinge spacer (8), the second flexible hinge spacer (9), the 3rd flexible hinge spacer (10) and the 4th flexible hinge spacer (11) are circular ring plate, and have rectangular channel on the circular ring plate end face.
3. crawling type superfine electric spark machining equipment according to claim 1, it is characterized in that described first flexible hinge micro clamping device (4) leg part cooperates with rectangular channel on the first flexible hinge spacer (8) and second flexible hinge spacer (9) end face.
4. according to claim 1 or 3 described crawling type superfine electric spark machining equipments, it is characterized in that the rectangular channel in the most advanced and sophisticated retaining part of the described first flexible hinge micro clamping device (4) and first sleeve (14) cooperates.
5. crawling type superfine electric spark machining equipment according to claim 1, it is characterized in that described second flexible hinge micro clamping device (5) leg part cooperates with rectangular channel on the 3rd flexible hinge spacer (10) and the 4th flexible hinge spacer (11) end face.
6. crawling type superfine electric spark machining equipment according to claim 1 or 5 is characterized in that, the most advanced and sophisticated retaining part of the described second flexible hinge micro clamping device (5) cooperates with rectangular channel in second sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100259445A CN100335219C (en) | 2005-05-19 | 2005-05-19 | Crawling type superfine electric spark machining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100259445A CN100335219C (en) | 2005-05-19 | 2005-05-19 | Crawling type superfine electric spark machining equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1695861A CN1695861A (en) | 2005-11-16 |
| CN100335219C true CN100335219C (en) | 2007-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100259445A Expired - Fee Related CN100335219C (en) | 2005-05-19 | 2005-05-19 | Crawling type superfine electric spark machining equipment |
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| CN (1) | CN100335219C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273153B (en) * | 2013-05-23 | 2015-04-22 | 烟台大学 | Self-clamping dynamic sealing device capable of feeding electrode wires in wriggled mode |
| CN105450082B (en) * | 2015-12-07 | 2017-06-30 | 天津大学 | A kind of dual drive micro-nano double fastener holder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438178A (en) * | 1992-07-06 | 1995-08-01 | Ag Fur Industrielle Elektronik | Method of precision electric-discharge machining employing electrodes in the form of wires, and apparatus for carrying out the method |
| CN1266764A (en) * | 2000-04-14 | 2000-09-20 | 清华大学 | Electrospark equipment for machining precise fine holes |
| CN2589139Y (en) * | 2002-12-26 | 2003-12-03 | 于云霞 | Fine electric spark machine |
-
2005
- 2005-05-19 CN CNB2005100259445A patent/CN100335219C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5438178A (en) * | 1992-07-06 | 1995-08-01 | Ag Fur Industrielle Elektronik | Method of precision electric-discharge machining employing electrodes in the form of wires, and apparatus for carrying out the method |
| CN1266764A (en) * | 2000-04-14 | 2000-09-20 | 清华大学 | Electrospark equipment for machining precise fine holes |
| CN2589139Y (en) * | 2002-12-26 | 2003-12-03 | 于云霞 | Fine electric spark machine |
Non-Patent Citations (4)
| Title |
|---|
| 基于直线蠕动压电驱动器的小型电火花加工装置的研究 赵万生，袁松梅，高技术通讯，第12期 2000 * |
| 微小型电极蠕动进给在电火花加工中的应用 冯晓光，詹涵菁，赵万生，栗岩，管淑娟，董新伟，中国机械工程，第9卷第8期 1998 * |
| 蠕动式压电驱动微小型电火花加工装置的电极驱动方法研究 左雪平，赵万生，刘维东，袁松梅，航空精密制造技术，第35卷第6期 1999 * |
| 采用蠕动式微进给机构的微细电火花加工装置 李勇，胡敏，周兆英，严晓敏，邹丽芸，巫仁智，电加工与模具，第2期 1998 * |
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| Publication number | Publication date |
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| CN1695861A (en) | 2005-11-16 |
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Granted publication date: 20070905 Termination date: 20100519 |